| blob | 96f9cea273901aae8200e286ec571888124bcf83 |
1 2006-06-04 Eric Christopher <echristo@apple.com>
3 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4 (debug_rli): Output value for remaining_in_alignment.
5 (update_alignment_for_field): Unconditionalize
6 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7 extra alignment code.
8 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10 * tree.h (record_layout_info_s): Remove prev_packed.
11 * doc/extend.texi (ms_struct): Add documentation of format.
13 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
15 * tree.h: Declare folding_initializer.
16 * builtins.c (fold_builtin_constant_p): Give definite answer
17 if folding inside an initializer.
18 * fold-const.c: Define folding_initializer.
19 (START_FOLD_INIT): Save and then set folding_initializer.
20 (END_FOLD_INIT): Restore folding_initializer.
22 2006-06-04 Richard Guenther <rguenther@suse.de>
24 PR tree-optimization/27039
25 * fold-const.c (fold_comparison): Handle pointer comparison
26 again for all comparison codes. Compare offsets in signed
27 size type.
28 (fold_binary): Move code from here.
30 2006-06-03 Roger Sayle <roger@eyesopen.com>
32 PR target/26223
33 * config/i386/i386.c (construct_container): Split static issued_error
34 flag into issued_sse_arg_error, issued_sse_ret_error and
35 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
36 requires the use of x87 registers and the user explicitly
37 specified the -mno-80387 command line option.
39 2006-06-02 Geoffrey Keating <geoffk@apple.com>
41 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
42 HAVE_DECL_SIGALTSTACK.
43 (MC_FLD): New.
44 (segv_handler): Use MC_FLD.
45 * configure.ac: Check for a sigaltstack declaration.
46 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
47 * configure: Regenerate.
48 * config.in: Regenerate.
50 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
52 PR other/27850
53 * Makefile.in (stmp-fixinc): Fix typo.
55 2006-06-02 Roger Sayle <roger@eyesopen.com>
57 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
58 are type correct. Clean-up.
59 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
60 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
62 2006-06-01 DJ Delorie <dj@redhat.com>
64 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
65 shift, as we've disabled the "switch" insn that needs it.
67 2006-06-01 Per Bothner <bothner@bothner.com>
69 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
70 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
71 * c-ppoutput.c (cb_define): Don't increment line 0.
73 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
75 * doc/invoke.texi: Add cpu_type power6.
76 * config.gcc: Add cpu_type power6.
77 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
78 to power5+ with Altivec.
79 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
80 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
82 2006-05-30 Anatoly Sokolov <aesok@post.ru>
84 * config/avr/avr.h (SET_ASM_OP): Define.
86 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
88 * config/bfin/bfin.c: Fix comment typos.
90 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
92 PR 25453
93 * doc/install.texi: Document --enable-bootstrap and
94 --disable-bootstrap.
96 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
98 * doc/install.texi: Document that InfoZIP can replace jar.
100 2006-05-31 Roger Sayle <roger@eyesopen.com>
102 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
103 isn't available, directly generate the simpler x87 patterns without
104 the (use (const_int 0)).
105 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
106 implementation isn't available.
107 (*negdf2_1): Likewise.
108 (*negxf2_1): XF mode negation is always done using the x87.
109 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
111 2006-05-31 Roger Sayle <roger@eyesopen.com>
113 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
114 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
115 cabs(z).
116 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
118 2006-05-31 Jie Zhang <jie.zhang@analog.com>
120 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
121 * config/bfin/bfin.c (basic-block.h): Include.
122 (struct machine_function): New.
123 (bfin_init_machine_status): New.
124 (override_options): Initialize init_machine_status.
125 (bfin_hardware_loop): New.
126 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
127 (DEF_VEC_P (loop_info)): New.
128 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
129 (struct loop_info): New.
130 (loop_info): New typedef.
131 (struct loop_work): New.
132 (loop_work): New typedef.
133 (DEF_VEC_O (loop_work)): New.
134 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
135 (bfin_dump_loops): New.
136 (bfin_bb_in_loop): New.
137 (bfin_scan_loop): New.
138 (bfin_optimize_loop): New.
139 (bfin_reorg_loops): New.
140 (bfin_reorg): Use bfin_reorg_loops.
141 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
142 loop registers.
143 (I_REGNO_P): Simplify.
144 (DP_REGNO_P, DPREG_P): New macros.
145 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
146 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
147 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
148 Add LT_REGS, LC_REGS, LB_REGS.
149 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
150 'l' for LB_REGS.
151 (REGNO_REG_CLASS): Deal with loop registers.
152 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
153 letters.
154 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
155 New constants for loop registers.
156 (UNSPEC_LSETUP_END): New.
157 (seq_insns): New define_attr. Set it for appropriate insns.
158 (movsi_insn): Add alternatives for move from/to
159 loop count registers.
160 (doloop_end): New define_expand.
161 (loop_end): New define_insn.
162 (define_split for bad doloop_end): New.
163 (lsetup_with_autoinit): New define_insn.
164 (lsetup_without_autoinit): New define_insn.
165 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
166 * config/bfin/predicates.md (lc_register_operand): New.
167 (lt_register_operand): New.
168 (lb_register_operand): New.
169 (nondp_register_operand): New.
170 (nondp_reg_or_memory_operand): New.
171 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
173 2006-05-31 Jie Zhang <jie.zhang@analog.com>
175 * config/bfin/bfin.c (bfin_delegitimize_address): New.
176 (TARGET_DELEGITIMIZE_ADDRESS): Define.
178 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
180 * Makefile.in (CATALOGS): Add po/ prefix.
181 * configure: Regenerated.
183 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
185 PR target/27829
186 * arm.c (arm_print_operand case 'S'): Validate that the operand is
187 a shift operand before calling shift_op. Avoid redundant call of
188 shift_op.
190 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
191 DJ Delorie <dj@redhat.com>
193 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
194 we're inserting is a singlt-bit constant.
196 2006-05-30 Roger Sayle <roger@eyesopen.com>
198 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
199 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
201 2006-05-30 Roger Sayle <roger@eyesopen.com>
203 PR tree-optimization/23452
204 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
205 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
206 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
207 complex values and with -ffast-math for FP complex values.
209 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
211 * c-common.h: Remove the prototype for yyparse.
212 * rtl.h: Remove the prototype for init_loop.
214 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
216 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
217 calling recog.
219 2006-05-30 Roger Sayle <roger@eyesopen.com>
221 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
222 and rotate cases.
223 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
224 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
226 2006-05-30 Dirk Mueller <dmueller@suse.de>
228 PR c/27273
229 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
230 for CONSTANT_CLASS_P expresisons.
232 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
234 PR c/27718
235 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
237 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
239 PR tree-optimization/27779
240 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
241 initial_condition instead of CHREC_LEFT.
243 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
245 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
246 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
247 Make prototypes ISO C90.
249 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
250 Leehod Baruch <leehod.baruch@weizmann.ac.il>
252 * see.c (see_analyze_one_def): Correct check.
253 (see_get_extension_data): Check if extension is parallel.
254 (see_get_extension_reg): Likewise.
256 2006-05-30 Uros Bizjak <uros@kss-loka.si>
258 PR target/27790
259 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
260 into register for (code == GTU).
262 2006-05-29 Roger Sayle <roger@eyesopen.com>
264 PR tree-optimization/24964
265 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
266 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
267 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
268 abs(x)*abs(x) as x*x for scalar floating point modes.
270 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
272 PR middle-end/27745
273 * lambda-code.c (perfect_nestify): Don't copy statements
274 in the inner loop: move them to the inner loop header.
276 2006-05-29 Diego Novillo <dnovillo@redhat.com>
278 PR 26237
279 * c-tree.texi: Document OpenMP directives and clauses.
281 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
283 * varasm.c (globalize_decl): Fix indentation.
285 2006-05-29 Diego Novillo <dnovillo@redhat.com>
287 PR 26242
288 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
289 pass_fre, pass_store_ccp, pass_copy_prop,
290 pass_store_copy_prop, pass_merge_phi, pass_nrv,
291 pass_return_slot, pass_object_size, pass_lim,
292 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
293 pass_loop_prefetch and pass_stdarg.
295 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
297 * config/bfin/bfin.opt (mfdpic): New option.
298 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
299 (EXTRA_MULTILIB_PARTS): Likewise.
300 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
301 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
302 multilib.
303 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
304 (CRT_CALL_STATIC_FUNCTION): New.
305 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
306 -shared.
307 (CRT_CALL_STATIC_FUNCTION): New.
308 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
309 FD-PIC moves.
310 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
311 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
312 (initialize_trampoline): Changed to handle FD-PIC code generation.
313 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
314 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
315 (override_options): Disallow -mid-shared-library -mfdpic combination.
316 Can't do unaligned ops if FD-PIC.
317 Turn off flag_pic if trying to generate non-id-shared-library
318 non-fdpic code, since it's not supported.
319 (bfin_assemble_integer): New function.
320 (TARGET_ASM_INTEGER): Define.
321 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
322 __BFIN_FDPIC__.
323 * config/bfin/crtn.s: Restore them.
324 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
325 if TARGET_FDPIC.
326 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
327 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
328 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
329 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
330 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
331 call-used.
332 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
333 FDPIC_REGS and FDPIC_FPTR_REGS.
334 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
335 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
336 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
337 (load_funcdescsi): New pattern.
338 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
339 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
340 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
342 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
344 * gcse.c, rtlanal.c: Remove obsolete comments associated with
345 loop.c.
347 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
349 * tree-flow.h: Remove the prototype for add_type_alias.
350 * tree-ssa-alias.c (add_type_alias): Remove.
352 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
354 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
355 config/fr30/fr30.md, config/i386/i386-interix.h,
356 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
357 config/sh/superh64.h, config/v850/v850.c, df-core.c,
358 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
359 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
360 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
361 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
362 Follow spelling conventions.
363 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
364 Follow spelling conventions.
366 2006-05-27 Richard Guenther <rguenther@suse.de>
368 PR middle-end/27773
369 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
370 to produce a constant of value 1 of generic type.
372 2006-05-27 Dirk Mueller <dmueller@suse.de>
374 * cgraphunit.c (decide_is_function_needed): Fix wrong
375 PR reference.
377 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
379 PR rtl-optimization/27661
380 * reload.c (find_reloads): When reloading a VOIDmode constant
381 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
382 use Pmode as mode of the reload register.
384 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
386 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
387 is enabled at -O and above.
389 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
391 PR target/27571
392 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
393 table data.
395 2006-05-25 Mark Mitchell <mark@codesourcery.com>
397 PR c++/20103
398 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
399 for anonymous variables explicitly declared by front ends.
401 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
403 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
404 (struct alias_info): Add new field ref_all_symbol_mem_tag.
405 * tree-ssa-alias.c (compute_may_aliases): If the program contains
406 ref-all pointers, run a finalization pass for them.
407 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
408 (finalize_ref_all_pointers): New function.
409 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
410 regular pointer type to a ref-all pointer type.
411 (get_tmt_for): Return the special memory tag for ref-all pointers.
413 2006-05-25 Richard Guenther <rguenther@suse.de>
415 PR middle-end/27743
416 * fold-const.c (fold_binary): Do not look at the stripped
417 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
419 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
421 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
422 for LT and GT if the computed range is effectively empty.
424 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
426 PR target/27627
427 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
428 mips_quad_format formats instead of ieee_single_format,
429 ieee_double_format and ieee_quad_format formats, respectively.
431 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
433 PR tree-optimization/27639
434 PR tree-optimization/26719
435 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
436 call to scev_probably_wraps_p.
437 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
438 used_in_pointer_arithmetic_p, convert_step): Removed.
439 (nowrap_type_p): New function.
440 (scev_probably_wraps_p): Rewritten.
441 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
442 chrec_convert if chrec_convert_aggressive might have been used.
443 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
444 scev_direction): New functions.
445 (chrec_convert): Changed to a wrapper over chrec_convert_1.
446 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
447 instead of convert_step.
448 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
449 (convert_step): Declaration removed.
450 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
452 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
454 * df-core.c: Added to header comments.
455 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
456 df_ur_bb_info, df_urec_bb_info): Added comments.
457 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
458 urec, ri problems): Fixed header comments.
459 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
460 code from df_rd_transfer_function.
462 2006-05-23 Richard Sandiford <richard@codesourcery.com>
464 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
465 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
466 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
468 2006-05-23 Joseph Myers <joseph@codesourcery.com>
470 * expr.c (undefined_operand_subword_p): New.
471 (emit_move_multi_word): Do not generate move from undefined bits
472 of a paradoxical subreg.
474 2006-05-23 Richard Sandiford <richard@codesourcery.com>
476 PR rtl-optimization/27736
477 * combine.c (replaced_rhs_value): New variable.
478 (combine_instructions): Set it.
479 (distribute_notes): When distributing a note in replaced_rhs_insn,
480 check whether the value was used in replaced_rhs_value.
482 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
484 PR c++/26757
485 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
486 add_referenced_var instead of add_referenced_tmp_var.
487 * tree-complex.c (create_one_component_var): Use add_referenced_var.
488 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
489 add_referenced_var.
490 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
491 tree_optimize_tail_calls_1): Use add_referenced_var.
492 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
493 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
494 Use add_referenced_var.
495 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
496 * gimplify.c (force_gimple_operand): Use add_referenced_var.
497 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
498 Use add_referenced_var.
499 * tree-dfa.c (struct walk_state): Remove.
500 (find_referenced_vars): Remove walk state and vars_found hash table.
501 (make_rename_temp): Use add_referenced_var.
502 (find_vars_r): Pass less parameters to add_referenced_var.
503 (referenced_var_p): New. Is var in referenced_var hash table.
504 (referenced_var_insert): Assert var isn't already in hash table.
505 (add_referenced_var): Don't need walk_state parameter. Add var if it
506 isn't already in the hash table.
507 (add_referenced_tmp_var): Remove.
508 (find_new_referenced_vars_1): Use add_referenced_var.
509 * tree-ssa-pre.c (create_expression_by_pieces,
510 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
511 Use add_referenced_var.
512 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
513 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
514 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
515 add_referenced_var.
516 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
517 vect_create_data_ref_ptr, vect_create_destination_var,
518 vect_init_vector, vect_build_loop_niters,
519 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
520 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
521 Use add_referenced_var.
522 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
523 * tree-flow.h (add_referenced_tmp_var): Remove prototype
524 (add_referenced_var): Add prototype.
525 * tree-ssa-structalias.c (get_constraint_for,
526 intra_create_variable_infos): Use add_referenced_var.
528 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
530 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
531 big-endian paradoxical subregs.
532 * var-tracking.c (struct micro_operation_def): Document that,
533 for modify micro operations, insn is the subsequent instruction.
534 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
535 (var_reg_set, var_mem_set): ... new functions.
536 (add_stores): Record subsequent insn.
537 (compute_bb_dataflow): Use new functions for MO_USE.
538 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
539 notes after the insn, and modify notes before the insn known
540 to be the subsequent one.
541 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
543 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
545 PR target/27696
546 * config/i386/i386.c (ix86_expand_builtin): Use
547 gen_sse3_monitor64 for TARGET_64BIT.
549 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
551 PR rtl-optimization/26375
552 PR rtl-optimization/26855
553 * df-problems (df_ru_bb_local_compute_process_def): Removed update
554 to gen set.
555 (df_ru_bb_local_compute): Reversed statements and removed bogus
556 comment explaining why they should be in wrong order.
557 (df_ru_dump, df_rd_dump): Enhanced debug info.
558 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
559 debug info.
560 * ddg.c (add_deps_for_def): Converted use of reaching defs to
561 reaching uses and fixed space problem.
563 2006-05-23 Jan Hubicka <jh@suse.cz>
565 * cgraphunit.c (decide_is_function_needed): Also nested functions
566 and functions declared inline can be optimized out at -O0.
568 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
570 * doc/install.texi (Configuration): Remove reference to CrossGCC
571 FAQ which was hijacked.
572 (Building): Ditto.
574 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
576 PR target/27266
577 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
578 ix86_compare_emitted is non-NULL.
580 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
582 PR c++/27451
583 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
584 clobbers.
586 2006-05-22 Richard Sandiford <richard@codesourcery.com>
588 PR rtl-optimization/25514
589 * combine.c (replaced_rhs_insn): New variable.
590 (combine_instructions): Set replaced_rhs_insn when trying to replace
591 a SET_SRC with a REG_EQUAL note.
592 (distribute_notes): Use replaced_rhs_insn when determining the live
593 range of a REG_DEAD register.
595 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
596 Anatoly Sokolov <aesok@post.ru>
598 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
599 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
600 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
601 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
602 atmega3290, atmega649, atmega6490, atmega406, atmega640,
603 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
604 at90usb647, at90usb1286 and at90usb1287 devices.
605 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
606 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
608 2006-05-22 Richard Sandiford <richard@codesourcery.com>
610 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
612 2006-05-22 Richard Guenther <rguenther@suse.de>
614 Revert
615 2006-01-31 Richard Guenther <rguenther@suse.de>
616 Paolo Bonzini <bonzini@gnu.org>
618 * doc/install.texi (--disable-libgcc-math): Document.
620 2006-05-22 Richard Guenther <rguenther@suse.de>
622 Revert
623 2006-01-31 Richard Guenther <rguenther@suse.de>
625 * doc/invoke.texi (-msselibm): Document.
626 * target.h (expand_library_builtin): New target hook.
627 * builtins.c (expand_builtin): Use expand_library_builtin.
628 (default_expand_library_builtin): New function.
629 * gcc.c (LINK_GCC_MATH_SPEC): Define.
630 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
631 (link_gcc_math_spec): Declare.
632 (static_specs): Add link_gcc_math_spec.
633 * expr.h (default_expand_library_builtin): Declare.
634 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
635 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
636 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
637 * config/i386/i386.opt (msselibm): New target option.
638 * config/i386/i386.c (ix86_builtin_function_variants): New array.
639 (ix86_init_sse_abi_builtins): New function.
640 (ix86_expand_library_builtin): Likewise.
641 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
642 (override_options): Handle error conditions wrt -msselibm.
643 (ix86_builtins): Add function codes for SSE2 ABI builtins.
644 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
645 * doc/extend.texi (__builtin_sse2_*): Document new target specific
646 builtins.
648 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
650 PR c/27420
651 * c-common.c (self_promoting_args_p): Skip erroneous args.
653 PR c/26818
654 * c-decl.c (finish_struct): Skip erroneous fields.
656 2006-05-22 Nick Clifton <nickc@redhat.com>
658 * config/cris/cris.opt (march): Remove VarExists attribute.
659 (max-stackframe=): Likewise.
661 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
663 * doc/rtl.texi: Fix a typo.
664 * see.c: Fix comment typos.
666 * tree-ssa-structalias.h (alias_info): Remove num_references.
668 2006-05-21 Mike Stump <mrs@apple.com>
670 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
671 (BAD2): Add.
672 (darwin_pragma_options): Use BAD instead.
673 (darwin_pragma_unused): Likewise.
674 (darwin_pragma_ms_struct): Likewise.
676 2006-05-21 David Edelsohn <edelsohn@gnu.org>
678 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
680 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
682 PR rtl-optimization/27671
683 * simplify-rtx.c (simplify_relational_operation_1): Fix
684 simplifications of (eq/ne (xor x y) y) and
685 (eq/ne (xor x y) x).
687 PR tree-optimization/26622.
688 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
689 on arg1.
691 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
693 * tree-cfg.c: Prune whitespace.
694 (debug_tree_cfg): Point to correct header containing the
695 TDF_* defines.
697 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
699 PR middle-end/25776
700 * cgraphunit.c (verify_cgraph_node): Typo in error message.
702 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
704 PR middle-end/25776
705 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
706 or sorry count is non zero.
708 2006-05-20 Andreas Schwab <schwab@suse.de>
710 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
712 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
713 Kenneth Zadeck <zadeck@naturalbridge.com>
715 PR rtl-optimization/26855
717 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
718 multiword refs.
719 (df_scan_alloc): Added code to properly handle multiword hard
720 registers and add all_blocks parameter.
721 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
722 code to properly handle multiword hard registers.
723 (df_rescan_blocks): Added code to remove deleted blocks from
724 bitmap.
725 (df_ref_create_structure, df_ref_record): Added code to properly
726 handle subregs.
727 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
728 and set DF_REF_PARTIAL.
729 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
730 (df_uses_record): Added DF_REF_PARTIAL for subreg.
731 (df_scan_add_problem): Added flags parameter.
732 (df_ref_create_structure): Changed switching structure.
733 (df_bb_refs_record): Fixed case where duplicate artificial refs
734 were created. Changed location of flags.
735 (df_record_entry_block_defs): Added code to make stack pointer
736 live in entry block. Refined cases where frame pointer is needed.
737 Changed location of flags.
738 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
739 (df_set_state): Removed function.
740 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
741 df_insn_create_insn_record, df_insn_refs_delete,
742 df_ref_create_structure): Formatting changes.
743 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
744 df_delete_basic_block): New function.
745 (df_init): Changed location of flags.
746 (df_add_problem): Added flags parameter and the way flags are
747 processed.
748 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
749 debug_df_chain): Improved debugging output.
750 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
751 (df_refs_chain_dump): Removed df parameter.
752 (df_iterative_dataflow): Added consistency check.
753 (df_prune_to_subcfg): Made public.
754 (df_analyze_problem): Added blocks_to_init parameter and made
755 public.
756 (df_ref_record, df_bb_refs_record, df_mark_reg,
757 df_record_exit_block_uses): Whitespace changes.
758 (df_dump): Whitespace changes.
759 * df.h: Some reordering to remove forward references.
760 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
761 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
762 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
763 (dataflow.flags): New field.
764 (df.flag): Deleted field.
765 (df_alloc_function): Added additional bitmap parameter.
766 (df_dependent_problem_function): New type.
767 (df_problem.changeable_flags): New field.
768 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
769 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
770 (df_mw_hardreg): New struct.
771 (DF_INSN_UID_MWS): New macro.
772 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
773 parameter.
774 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
775 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
776 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
777 (df_set_state): Removed function.
778 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
779 * df-problems.c (df_chain_dump): Removed df parameter.
780 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
781 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
782 parameter.
783 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
784 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
785 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
786 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
787 DF_REF_MUST_CLOBBER cases.
788 (df_ru_bb_local_compute_process_def,
789 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
790 df_lr_bb_local_compute, df_ur_bb_local_compute,
791 df_chain_create_bb): Made subreg aware.
792 (df_ru_bb_local_compute, df_rd_bb_local_compute,
793 df_lr_bb_local_compute, df_lr_bb_local_compute,
794 df_chain_create_bb): Cleanup to use proper macros.
795 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
796 code to fixup bitvectors.
797 (df_ri_alloc): Cleared lifetime.
798 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
799 df_create_unused_note): New function.
800 (df_ri_bb_compute, df_ri_compute): Added code to create/update
801 REG_DEAD and REG_UNUSED notes as well as register information.
802 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
803 df_chains_dump): Fixed crash if problem was never run.
804 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
805 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
806 df_ri_add_problem): Processes flags in uniform manner.
807 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
808 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
809 df_rd_dump, df_urec_free_bb_info): Formatting changes.
810 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
811 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
812 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
813 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
814 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
815 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
816 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
817 * see.c (see_initialize_data): Ditto.
818 * final.c (rest_of_clean_state) Added regstack_completed.
819 * rtl.h (regstack_completed): Ditto.
820 * reg-stack.c (regstack_completed): Ditto.
822 2006-05-19 Mike Stump <mrs@apple.com>
824 * c-tree.h (default_conversion): Remove.
825 * c-common.h (default_conversion): Add.
827 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
829 * tree-vrp.c (valid_value_p): New function.
830 (adjust_range_with_scev): Fail if the value of bound is not
831 simple.
833 2006-05-19 Richard Sandiford <richard@codesourcery.com>
835 * config/mips/linux-unwind.h: Include <asm/unistd.h>
836 (mips_fallback_frame_state): Use syscall numbers to determine
837 the appropriate li instruction for the current ABI. Only use
838 __NR_sigreturn for o32.
840 2006-05-19 Nicolas Setton <setton@adacore.com>
842 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
843 * langhooks.c (lhd_dwarf_name): New function.
844 * langhooks-def.h (lhd_dwarf_name): Declare.
845 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
846 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
847 * ada/misc.c (gnat_dwarf_name): New function.
848 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
850 2006-05-19 Richard Sandiford <richard@codesourcery.com>
852 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
853 libgcc2.h.
854 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
855 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
856 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
857 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
858 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
859 determine the size of Wtype, etc.
860 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
861 (swfloatfuncs): New variable.
862 (dwfloatfuncs): Likewise.
863 (lib2funcs): Remove floating-point conversion functions from
864 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
865 the set of conversion routines needed. Allow entries to specify
866 an object name, filename and word size. Update users accordingly.
867 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
868 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
870 Revert:
872 2006-02-08 Roger Sayle <roger@eyesopen.com>
874 PR target/22209
875 * config/fixtfdi.c: New libgcc source file.
876 * config/fixunstfdi.c: New source file.
877 * config/floatditf.c: New source file.
878 * config/floatunditf.c: New souce file.
879 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
880 files above instead of config/mips/_tilib.c.
881 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
883 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
885 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
886 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
888 2006-05-18 Mike Stump <mrs@apple.com>
890 Fix up vla, vm and [*] sematics.
892 PR c/18740
893 PR c/7948
894 PR c/25802
895 PR c/27673
896 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
897 (c_vla_unspec_p): Add.
898 (c_vla_type_p): Add.
899 * c-decl.c (struct c_scope): Add had_vla_unspec.
900 (build_array_declarator): Add support for [*].
901 (grokdeclarator): Likewise.
902 (grokparms): Likewise.
903 (get_parm_info): Likewise.
904 * c-objc-common.c (c_vla_unspec_p): Likewise.
905 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
906 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
907 typeof when argument is a variably modified type not inside sizeof or alignof.
908 (c_parser_direct_declarator_inner): Propagate errors.
909 (c_parser_sizeof_expression): Add support for [*].
910 (c_parser_parms_declarator): Initialize had_vla_unspec.
911 (c_parser_parms_list_declarator): Likewise.
912 * c-typeck.c (c_vla_type_p): Add.
913 (composite_type): Add support for vla compositing.
914 (comptypes_internal): Add support for vla compatibility.
915 (c_expr_sizeof_expr): Evaluate vla arguments.
916 * tree.c (variably_modified_type_p): Update comment for [*].
918 2006-05-18 Michael Matz <matz@suse.de>
920 PR target/27599
921 * config.host: Make assignments to host_xmake_file cumulative.
922 * config.host (*-darwin*): Test $host, not $target.
924 2006-05-12 Stuart Hastings <stuart@apple.com>
926 * config/i386/i386.opt (-mstackrealign): New flag.
927 * config/i386/i386.c (force_align_arg_pointer): New attribute.
928 (ix86_handle_cconv_attribute): Emit error when
929 force_align_arg_pointer attribute collides with too many regparms.
930 (ix86_function_regparm): Limit regparms when used with
931 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
932 Support stack-realigning prologue in non-main functions. Emit
933 warning for nested functions under -mstackrealign, emit error for
934 nested functions with force_align_arg_pointer attribute.
935 * doc/extend.texi (force_align_arg_pointer): Document it.
936 * doc/invoke.texi (-mstackrealign): Document it.
938 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
940 PR rtl-optimization/27477
941 * combine.c (try_combine): Don't split a parallel consisting
942 of two sets into two individual sets if both sets reference
943 cc0.
945 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
947 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
948 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
950 * doc/options.texi (VarExists): Updated.
952 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
954 * unwind-dw2.c: Add declarations for uw_update_context and
955 uw_frame_state_for.
956 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
957 detected, advance frame state and context once to skip over stub.
959 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
961 PR middle-end/20256
962 PR middle-end/26435
963 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
964 Call rewrite_into_loop_closed_ssa only when something changed.
965 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
966 * lambda-code.c (can_convert_to_perfect_nest): Declared.
967 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
968 Test for perfect_nest_p here. Fix formating.
969 (replace_uses_equiv_to_x_with_y): Fix formating.
970 (stmt_uses_op): Removed.
971 (can_convert_to_perfect_nest): Removed loopivs parameter.
972 Complete the test by checking the scalar dependences.
973 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
974 Fix formating.
976 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
978 PR bootstrap/22541
979 From Dan Kegel <dank@kegel.com>:
980 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
982 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
984 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
985 if the element type is variably modified without recursing.
987 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
989 PR middle-end/27332
990 * tree-loop-linear.c (try_interchange_loops): Test for
991 no data dependences.
993 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
995 PR tree-optimization/27548
996 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
997 range of ssa names that appear on abnormal edges.
998 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
999 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1001 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1003 PR middle-end/27620
1004 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1006 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1008 PR middle-end/27415
1009 * tree.h (OMP_PARALLEL_COMBINED): Define.
1010 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1011 (new_omp_context): Add is_combined_parallel argument.
1012 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1013 new_omp_context caller.
1014 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1015 Adjust gimplify_scan_omp_clauses callers.
1016 (omp_is_private): Issue errors if iteration variable is firstprivate
1017 or reduction in the current context.
1018 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1019 on combined parallel workshare constructs.
1021 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1023 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1024 (gcc-options.o): New rule.
1026 * optc-gen.awk: Protect variables for gcc-options.o with
1027 #ifdef GCC_DRIVER/#endif.
1029 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1031 Fix PR tree-optimization/27373
1032 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1033 (forward_propagate_addr_expr): Update call.
1035 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1037 * doc/options.texi: Move the Negative option.
1039 2006-05-16 Richard Guenther <rguenther@suse.de>
1041 PR tree-optimization/22303
1042 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1043 from STRING_CSTs.
1044 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1045 ccp_fold did not simplify the statement.
1047 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1049 PR driver/26885
1050 * Makefile.in (GCC_OBJS): New.
1051 (OBJS-common): Add opts-common.o.
1052 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1053 (cpp$(exeext)): Likewise.
1054 (gcc.o): Also depend on opts.h.
1055 (opts-common.o): New.
1057 * common.opt (gcoff): Add Negative(gdwarf-2).
1058 (gdwarf-2): Add Negative(gstabs).
1059 (gstabs): Add Negative(gstabs+).
1060 (gstabs+): Add Negative(gvms).
1061 (gvms): Add Negative(gxcoff).
1062 (gxcoff): Add Negative(gxcoff+).
1063 (gxcoff+): Add Negative(gcoff).
1064 * config/i386/i386.opt (m32): Add Negative(m64).
1065 (m64): Add Negative(m32).
1067 * doc/options.texi: Document the Negative option.
1069 * gcc.c: Include "opts.h".
1070 (main): Call prune_options after expandargv.
1072 * optc-gen.awk: Generate common declarations for all flag
1073 variables in options.c. Output the neg_index field.
1075 * opts.c (find_opt): Moved to ...
1076 * opts-common.c: Here. New file.
1078 * opts.h (cl_option): Add a neg_index field.
1079 (find_opt): New.
1080 (prune_options): Likewise.
1082 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1084 PR middle-end/27573
1085 * omp-low.c (expand_omp_parallel): Don't assert
1086 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1087 instead search for it.
1089 PR c/27499
1090 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1091 is signed.
1093 2006-05-16 Andreas Schwab <schwab@suse.de>
1095 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1096 defmac.
1098 2006-05-15 Roger Sayle <roger@eyesopen.com>
1100 PR target/26600
1101 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1102 integer constants other than zero are only legitimate on TARGET_64BIT.
1103 <CONST_VECTOR> Only zero vectors are legitimate.
1104 (ix86_cannot_force_const_mem): Integral and vector constants can
1105 always be put in the constant pool.
1107 2006-05-16 DJ Delorie <dj@redhat.com>
1109 * crtstuff.c (__dso_handle): Set section from
1110 TARGET_LBIGCC_SDATA_SECTION if defined.
1111 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1112 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1114 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1116 PR target/27599
1117 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1118 host_xmake_file.
1120 2006-05-16 Ben Elliston <bje@au.ibm.com>
1122 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1124 2006-05-15 Per Bothner <per@bothner.com>
1126 * tree.c: (last_annotated_node): Use source_locus typedef.
1127 This permits bootstrapping with --enable-mapped-location.
1129 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1131 PR tree-optimization/26830
1132 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1133 (info_for_ssa_name, current_info_for_ssa_name_age,
1134 blocks_to_update): New variables.
1135 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1136 (clear_ssa_name_info, initialize_flags_in_bb,
1137 mark_block_for_update): New functions.
1138 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1139 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1140 prepare_def_site_for): Use mark_block_for_update.
1141 (mark_def_interesting): Assert that the processed block is marked in
1142 blocks_to_update. Do not take blocks argument.
1143 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1144 argument.
1145 (rewrite_update_init_block, rewrite_update_stmt): Only process
1146 blocks with statements to rewrite.
1147 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1148 (update_ssa): Initialize and free blocks_to_update. Do not
1149 clear flags on statements. Do not use blocks bitmap.
1150 * tree.h (SSA_NAME_AUX): Removed.
1151 (struct tree_ssa_name): Removed aux field.
1152 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1154 2006-05-15 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/27603
1157 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1158 Do computations in original type.
1160 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1162 * see.c: Code style changes such as redundant paranthesis,
1163 redundant intialization of local variables etc.
1164 (see_main): Declared now as static.
1165 * doc/invoke.texi: Update that -fsee is not enabled by
1166 default at -O3.
1168 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1170 * omp-low.c (check_omp_nesting_restrictions): New function.
1171 (scan_omp_1): Call it.
1173 PR middle-end/27416
1174 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1175 construct, return *VAR.
1177 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1179 PR rtl-optimization/27406
1180 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1181 edges.
1183 2006-05-14 Roger Sayle <roger@eyesopen.com>
1185 PR rtl-optimization/27538
1186 * combine.c (expand_compound_operation): Call gen_lowpart
1187 before calling simplify_shift_const.
1189 2006-05-14 Roger Sayle <roger@eyesopen.com>
1191 PR rtl-optimization/22563
1192 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1193 a fixed width bitfield, always force the intermediates into psuedos.
1195 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1197 PR 27501
1198 * mkconfig.sh: Use operator = instead of == for test.
1200 2006-05-13 Nick Clifton <nickc@redhat.com>
1202 * dwarf2out.c (dbx_reg_number): Check return value from
1203 LEAF_REG_REMAP and only use it if it is valid.
1204 (multiple_reg_loc_descriptor): Likewise.
1206 2006-05-13 Richard Guenther <rguenther@suse.de>
1208 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1209 host_xmake_file.
1211 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1213 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1214 information attached to non-INSNs such as NOTEs.
1215 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1217 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1219 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1220 On contraint.
1221 * config/s390/s390.md: Adjust comment describing On constraint.
1223 2006-05-11 Jan Hubicka <jh@suse.cz>
1225 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1226 to be output at -O0.
1228 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1230 PR middle-end/27384
1231 * fold-const.c (size_binop): Move sanity check for arguments to
1232 the beginning of the function.
1234 PR middle-end/27488
1235 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1236 expression.
1238 2006-05-11 Richard Guenther <rguenther@suse.de>
1240 PR middle-end/27529
1241 * fold-const.c (fold_unary): Handle intermediate conversion
1242 to a pointer type like intermediate conversion to an integer
1243 type in folding of (T1)(T2)var to var.
1244 Match the code to the comment in the final conversion for
1245 (T1)(T2)var to (T1)var regarding to type precision. Rather
1246 than disallow T1 being of pointer type, assert that both T1
1247 and var are of pointer type or not. Make sure not to fall
1248 over the frontends lazyness wrt array to pointer decay though.
1250 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1252 * arm.c (arm_struct_value_rtx): Delete.
1253 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1254 (arm_init_cumulative_args): Always initialize nregs to zero.
1256 2006-05-10 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/27532
1259 * tree-object-size.c (plus_expr_object_size): Fix typo.
1261 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1263 PR target/24949
1264 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1265 ashrdi_const, ashrdi3): Use a scratch register.
1267 2006-05-10 Richard Guenther <rguenther@suse.de>
1269 PR tree-optimization/27302
1270 * fold-const.c (operand_equal_p): For two comparisons,
1271 try comparison of one comparison code swapped if that yields
1272 the same code.
1274 2006-05-10 Ben Elliston <bje@au.ibm.com>
1276 * tree-pretty-print.c (pretty_print_string): No need to handle
1277 '\0' as a special character.
1279 * tree.h: Include "hashtab.h".
1280 (iterative_hash_expr): Use hashval_t in its prototype.
1281 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1283 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1285 PR bootstrap/26872
1286 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1287 (hppa*64*-*-hpux11*): Ditto.
1288 (hppa[12]*-*-hpux11*): Ditto.
1290 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1292 PR target/26545
1293 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1295 2006-05-09 Michael Matz <matz@suse.de>
1297 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1298 host_extra_gcc_objs and host_xmake_file.
1299 (<*-*-linux*>): Don't overwrite host_xmake_file.
1300 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1301 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1302 (host_detect_local_cpu): Declare.
1303 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1304 * config/i386/i386.c (override_options): Handle -mtune=native
1305 as -mtune=generic.
1306 * config/i386/x-i386: New file.
1307 * config/i386/driver-i386.c: New file.
1308 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1309 cpu-type "native".
1311 2006-05-09 Dirk Mueller <dmueller@suse.de>
1312 Richard Guenther <rguenther@suse.de>
1314 PR middle-end/27498
1315 * fold-const.c (fold_read_from_constant_string): Relax check
1316 for matching types to matching modes.
1318 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1320 PR rtl-optimization/27335
1321 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1322 loops.
1324 2006-05-08 Chao-ying Fu <fu@mips.com>
1325 Richard Sandiford <richard@codesourcery.com>
1327 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1328 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1329 * config/mips/mips.md (UNSPEC_SCC): New constant.
1330 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1331 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1332 (mips_emit_compare): Use it.
1333 (mips_expand_vcondv2sf): New function.
1335 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1337 Fix PR tree-optimization/27093
1338 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1339 renaming when they become not-used_alone.
1341 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1343 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1344 relocation and relocation stubs.
1346 2006-05-08 Eric Christopher <echristo@apple.com>
1348 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1349 section for ppc.
1351 2006-05-08 Jan Hubicka <jh@suse.cz>
1353 PR middle-end/24561
1354 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1355 unused static functions are needed.
1357 2006-05-08 Roger Sayle <roger@eyesopen.com>
1359 PR target/27158
1360 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1361 of a reg_equiv_constant if the result is a legitimate constant.
1363 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1365 PR target/27277
1366 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1367 standard 80387 constants, raise the cost to prevent
1368 compress_float_constant() to generate load from memory.
1370 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1372 * config/arm/constraints.md (c): Fix a typo.
1374 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1375 typos.
1377 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1379 PR target/24879
1380 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1381 inline function.
1382 (_mm_mwait): Likewise.
1384 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1385 "mwait".
1386 (sse3_monitor): Make it 32bit only.
1387 (sse3_monitor64): New. 64bit monitor.
1389 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1391 PR target/27421
1392 * config/i386/i386.c (classify_argument): Skip fields with invalid
1393 types.
1395 2006-05-07 Richard Guenther <rguenther@suse.de>
1397 PR tree-optimization/27409
1398 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1399 Do not try to find zero-sized subvars.
1401 2006-05-07 Richard Guenther <rguenther@suse.de>
1403 PR tree-optimization/27136
1404 * tree-ssa-loop-niter.c (get_val_for): Correct function
1405 comment, assert requirements.
1406 (loop_niter_by_eval): Stop processing if the iterated
1407 value did not simplify.
1409 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1411 * opts.c (flag_see): remove its setting at -O3.
1413 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1415 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1416 * arm/constraints.md: New file.
1417 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1418 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1419 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1420 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1421 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1422 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1423 * arm.md: Include constraints.md.
1424 (thumb_movsi_insn): Use satisfies_constraint_J.
1425 (movhi, movqi): Use satisfies_constraint_I.
1427 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1429 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1430 for atmeg a645 device.
1432 2006-05-06 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/27151
1435 * tree-vect-transform.c (vectorizable_condition): Punt on
1436 values that have a different type than the condition.
1438 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1440 PR/21391
1441 * c-parser.c (c_parser_cast_expression): Only insert casts into
1442 hash table if pointer.
1443 * function.c (used_types_insert_helper): Rename from
1444 used_types_insert.
1445 (used_types_insert): Call used_types_insert_helper.
1446 * function.h (used_types_insert): Accept only one argument.
1448 2006-05-05 David Edelsohn <edesohn@gnu.org>
1450 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1451 scratch with output modifier.
1453 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1455 PR target/26481
1456 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1457 with output modifier.
1459 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1461 PR target/26765
1462 * config/mips/mips.c (mips_symbolic_address_p): Return true
1463 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1464 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1466 2006-05-04 Richard Guenther <rguenther@suse.de>
1468 PR tree-optimization/14287
1469 PR tree-optimization/14844
1470 PR tree-optimization/19792
1471 PR tree-optimization/21608
1472 PR tree-optimization/27090
1473 * tree-ssa-pre.c (try_combine_conversion): New function.
1474 (compute_avail): After constructing the value-handle
1475 expression, use try_combine_conversion to combine NOP_EXPRs
1476 with previous value-handle expressions and use the result if it
1477 is available.
1479 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1481 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1483 2006-05-04 Jan Hubicka <jh@suse.cz>
1485 PR middle-end/25962
1486 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1488 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1490 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1491 that this only matches CONST_INTs. All users changed to VOIDmode
1492 operands.
1494 * config/bfin/bfin.c: Include "optabs.h".
1495 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1496 to do more work.
1497 (enum bfin_builtins): Add a number of fractional and vector builtins.
1498 (bfin_init_builtins): Likewise.
1499 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1500 (safe_vector_operand, bfin_expand_binop_builtin,
1501 bfin_expand_unop_builtin): New functions.
1502 (bfin_expand_builtin): Handle the new builtins.
1503 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1504 __ADSPBLACKFIN__.
1506 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1508 * see.c: New file.
1509 * Makefile.in (OBJS-common): Add see.o.
1510 (see.o): Add dependencies.
1511 * common.opt (fsee): New flag for the see optimization was added.
1512 * opts.c (flag_see): Initialized.
1513 * passes.c (init_optimization_passes, pass_see): New pass.
1514 * rtl.h (see_main): Declaration as extern.
1515 * timevar.def (TV_SEE): New.
1516 * tree-pass.h (pass_see): Declaration as extern.
1517 * invoke.texi (-fsee): Document.
1518 * recog.c (validate_simplify_insn): New function.
1519 * recog.h (validate_simplify_insn): Declaration as extern.
1520 * df-problems.c (df_chain_dump): Check for NULL.
1522 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1523 Daniel Berlin <dberlin@dberlin.org>
1525 * cfgrtl.c (insert_insn_bb_end_new): New function.
1526 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1528 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1530 * df.h (struct web_entry): Moved from web.c.
1531 (union_defs): Declaration as extern.
1532 (unionfind_root): Likewise.
1533 (unionfind_union): Likewise.
1534 * web.c (struct web_entry): Moved to df.h.
1535 (unionfind_root): Remove static declaration.
1536 (unionfind_union): Likewise.
1537 (union_defs): Likewise and generalize to use callback function.
1538 (web_main): Update arguments for union_defs function call.
1540 2006-05-04 Richard Guenther <rguenther@suse.de>
1542 PR tree-optimization/26447
1543 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1544 produce SSA_NAME copies before the store stmt to avoid
1545 breaking exception handling.
1547 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1549 PR middle-end/27388
1550 * gimplify.c (omp_is_private): If var is shared in some outer context,
1551 return false instead of true. Stop searching on parallel context
1552 boundary.
1554 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1556 PR java/8260
1557 * coverage.c: Use get_gcov_unsigned_t() instead of
1558 unsigned_type_node all over.
1560 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1562 PR tree-optimization/27381
1563 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1564 maintain the same immediate_use links.
1565 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1566 node rather than segfaulting.
1568 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1570 PR fortran/27395
1571 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1572 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1573 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1575 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1577 Fix PR tree-optimization/26626
1578 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1579 always.
1580 * tree-ssa-operands.c (access_can_touch_variable): Allow
1581 typecasting through union pointers.
1583 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1585 PR c++/26943
1586 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1587 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1588 to find if var will be a global variable even in the nested context.
1589 (omp_copy_decl): Only check for global variable at the end, it might
1590 be overridden in outer contexts.
1591 (scan_sharing_clauses): For global variables don't create a field.
1592 (lower_rec_input_clauses): Do nothing for global shared variables.
1593 Emit a barrier at the end of ILIST if there were any decls in both
1594 firstprivate and lastprivate clauses.
1595 (lower_send_clauses): Do nothing for global variables except for
1596 COPYIN.
1598 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1600 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1601 of the correct signedness is returned.
1603 2006-05-02 Jeff Law <law@redhat.com>
1605 PR tree-optimization/27364
1606 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1607 multiply expressions.
1609 2006-05-02 Tom Tromey <tromey@redhat.com>
1611 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1613 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1615 PR target/27387
1616 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1617 -mthumb -fPIC are used.
1619 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1620 Joshua Kinard <kumba@gentoo.org>
1622 PR target/25871
1623 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1624 with 64-bit pointers.
1626 2006-05-02 Paul Brook <paul@codesourcery.com>
1628 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1629 and pool overlap.
1630 (create_fix_barrier): Check that a suitable barrier location is
1631 found.
1632 (arm_reorg): Include ftmp->address in allowable range of addresses.
1634 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1636 PR ada/27366
1637 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1638 on Cygwin.
1640 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1642 PR middle-end/27337
1643 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1644 around RESULT_DECL for result passed by reference.
1645 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1646 * omp-low.c (use_pointer_for_field): Don't look at
1647 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1648 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1649 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1650 time or var for passing by reference for
1651 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1652 TREE_ADDRESSABLE variables when passing by reference.
1654 * omp-low.c (dump_omp_region): Fix output formatting.
1656 PR middle-end/27328
1657 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1658 (expand_omp_parallel): Likewise.
1659 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1661 PR middle-end/27325
1662 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1663 on statement list containing also constructors and destructors.
1664 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1666 PR middle-end/27310
1667 * except.c (duplicate_eh_regions): Fix clearing of
1668 cfun->eh->region_array entries.
1670 2006-05-01 DJ Delorie <dj@redhat.com>
1672 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1673 build!=host.
1674 (gcc_cv_objdump): Likewise.
1675 * configure: Regenerated.
1677 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1679 PR target/27374
1680 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1681 templates for case 3 and 4.
1683 2006-05-01 DJ Delorie <dj@redhat.com>
1685 * vec.c: Include bconfig.h when appropriate.
1686 * Makefile.in (build/vec.o): Adjust dependencies.
1687 * mkconfig.sh: Make sure config.h isn't used for build machine
1688 compiles.
1690 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1692 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1693 variables.
1694 (mark_phi_for_rewrite): New function.
1695 (insert_phi_nodes_for, mark_use_interesting): Call
1696 mark_phi_for_rewrite.
1697 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1698 (update_ssa): Initialize and free phis_to_rewrite.
1700 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1702 PR rtl-optimization/27291
1703 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1704 folded to a constant.
1706 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1708 PR tree-optimization/27283
1709 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1710 not whole # of iteration descriptions.
1711 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1712 uses abnormal ssa name.
1713 (niter_for_single_dom_exit): Ditto.
1714 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1715 return just the number of iterations.
1717 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1719 PR tree-optimization/27144
1720 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1721 (record_estimate): Only record constant upper bound.
1722 (infer_loop_bounds_from_undefined): Call
1723 compute_estimated_nb_iterations just once.
1724 (proved_non_wrapping_p): Renamed to ...
1725 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1726 (convert_step_widening, scev_probably_wraps_p): Call
1727 n_of_executions_at_most instead of proved_non_wrapping_p.
1728 (substitute_in_loop_info): Do not replace values in bounds.
1729 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1730 comments.
1732 2006-05-01 Richard Henderson <rth@redhat.com>
1734 PR c/27358
1735 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1736 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1737 CPP_PRAGMA.
1739 2006-05-01 Roger Sayle <roger@eyesopen.com>
1741 * c-typeck.c (parser_build_binary_op): Don't call the function
1742 unsigned_conversion_warning to spot operand/result type overflow.
1743 (build_binary_op): Instead, call convert_and_check instead of
1744 convert to report the problem when the operands are promoted.
1745 * c-common.c (unsigned_conversion_warning): Make static.
1746 * c-common.h (unsigned_conversion_warning): Delete prototype.
1748 2006-05-01 Richard Guenther <rguenther@suse.de>
1750 PR tree-optimization/26726
1751 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1752 problem ...
1753 (find_interesting_uses_address): ... we work around here
1754 by folding INDIRECT_REFs in the substituted base.
1756 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1758 * omp-low.c (dump_omp_region): Add newlines.
1760 2006-04-30 Roger Sayle <roger@eyesopen.com>
1762 * common.opt (Woverflow): New command line option.
1763 * c-common.c (constant_expression_warning): Check warn_overflow.
1764 (overflow_waring): Pass OPT_Woverflow to warning.
1765 (unsigned_conversion_warning): Likewise.
1766 (convert_and_check): Likewise.
1767 * doc/invoke.texi: Document new command line option.
1769 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1771 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1772 TARGET_NO_FP_IN_TOC for section anchors.
1773 (optimization_options): Enable section anchors for all
1774 non-"Objective" languages.
1776 2006-04-28 Eric Christopher <echristo@apple.com>
1778 * config/darwin-c.c (darwin_ms_struct): Move this
1779 (darwin_set_default_type_attributes): and this...
1780 * config/darwin.c: ... here.
1781 * config/darwin.h (darwin_ms_struct): Declare.
1783 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1785 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1787 2006-04-28 Roger Sayle <roger@eyesopen.com>
1789 PR c/25309
1790 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1791 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1792 an unsigned HOST_WIDE_INT.
1793 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1794 array index.
1795 (really_start_incremental_init): No need to call convert because
1796 bitsize_zero_node is already of type bitsizetype.
1797 (push_init_level): Extract the value of constructor_index as an
1798 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1799 (process_init_element): Likewise.
1801 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1803 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1804 value before passing to make_relative_prefix.
1806 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1808 PR middle-end/27260
1809 * builtins.c (expand_builtin_memset): Expand val in original mode.
1811 2006-04-27 Eric Christopher <echristo@apple.com>
1813 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1814 with #ifndef/#endif.
1815 * config/darwin-c.c (darwin_ms_struct): New.
1816 (darwin_pragma_ms_struct): Ditto.
1817 (darwin_set_default_type_attributes): Ditto.
1818 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1819 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1820 Register ms_struct pragma.
1821 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1822 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1823 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1824 darwin_set_default_type_attributes if TARGET_MACHO.
1826 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1828 PR tree-optimization/26854
1829 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1830 * doc/tree-ssa.texi: Update immuse iterator documentation.
1831 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1832 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1833 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1834 first_safe_imm_use, next_safe_imm_use): Remove.
1835 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1836 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1837 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1838 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1839 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1840 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1841 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1842 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1843 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1844 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1845 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1846 (perfect_nestify): Use new iterator.
1847 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1848 iterator.
1849 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1850 (next_imm_name): New field in struct immediate_use_iterator_d.
1851 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1852 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1853 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1854 * tree-cfg.c (replace_uses_by): Use new iterator.
1855 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1856 * tree-ssa-operands.c (correct_use_link): Remove.
1857 (finalize_ssa_use_ops): No longer call correct_use_link.
1859 2006-04-27 Stuart Hastings <stuart@apple.com>
1861 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1862 * config/t-darwin (crt3.o): Use it.
1863 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1864 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1865 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1866 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1867 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1868 support.
1870 2006-04-27 Roger Sayle <roger@eyesopen.com>
1872 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1873 size, force the intermediate into a new pseudo rather instead of
1874 performing both a bitwise AND and a bitwise IOR in memory.
1876 2006-04-27 Richard Guenther <rguenther@suse.de>
1878 PR rtl-optimization/26685
1879 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1880 this one "max-flow-memory-locations".
1882 2006-04-27 Richard Guenther <rguenther@suse.de>
1884 PR tree-optimization/25148
1885 * tree-vrp.c (compare_values): Remove code dealing with
1886 comparisons against type min/max value. Honour overflow
1887 and negative constants in code dealing with comparisons
1888 of plus and minus expressions.
1889 (value_inside_range): Use fold_binary with LE_EXPR and
1890 GE_EXPR rather than compare_values.
1892 2006-04-27 Dirk Mueller <dmueller@suse.de>
1894 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1895 prototype for SSE.
1897 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1899 * basic-block.h (safe_insert_insn_on_edge): Removed.
1900 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1902 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1903 Paolo Bonzini <bonzini@gnu.org>
1905 PR middle-end/27282
1906 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1907 (simplify_and_const_int): Same.
1909 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1911 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1913 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1915 PR c/26171
1916 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1917 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1918 cgraph_global_info_ready.
1920 PR middle-end/26913
1921 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1923 PR c/25996
1924 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1925 either decl or init is error_mark_node.
1927 PR middle-end/25989
1928 * tree-flow.h (struct omp_region): Add sched_kind.
1929 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1930 instead of extracting omp for data.
1931 (expand_omp_for): Save extracted sched_kind.
1933 2006-04-25 Roger Sayle <roger@eyesopen.com>
1935 * expmed.c (store_bit_field): Also check whether the bitsize is
1936 valid for the machine's "insv" instruction before moving the
1937 target into a pseudo for use with the insv.
1938 * config/i386/predicates.md (const8_operand): New predicate.
1939 * config/i386/i386.md (extv, extzv, insv): Use the new
1940 const8_operand predicate where appropriate.
1942 2006-04-25 DJ Delorie <dj@redhat.com>
1944 * doc/install.texi (Specific): Clarify that this is not a list of
1945 supported hosts or targets.
1947 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1949 PR rtl-optimization/26725
1950 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1951 block's BB_DIRTY flag.
1953 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1955 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1956 are no branches.
1958 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1959 to print an integer.
1961 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1963 * varasm.c (align_variable): New function.
1964 (get_block_for_decl): Apply align_variable to DECL before
1965 calculating section information.
1966 (assemble_variable): Split out alignment computation.
1968 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1970 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1971 machines.
1973 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1975 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1976 MODE_PARTIAL_INT mode.
1977 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1978 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1979 for CONST_INTs.
1980 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1981 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1982 V2PDImode.
1983 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1984 New predicates.
1985 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1986 New constants.
1987 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1988 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1989 MACFLAG_IH): Likewise.
1990 (movstricthi_1): Renamed from "*movstricthi".
1991 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1992 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1993 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1994 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1995 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1996 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1997 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1998 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1999 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2000 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2001 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2002 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2003 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2004 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2005 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2007 * doc/rtl.texi (ss_ashift): Improve wording.
2009 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2011 * dwarf2out.c (verify_marks_clear): New.
2012 (prune_unused_types): Call verify_marks_clear initially, not
2013 prune_unmark_dies.
2015 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2017 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2018 * doc/rtl.texi: Document them.
2019 * simplify-rtx.c (simplify_unary_operation,
2020 simplify_binary_operation_1): Don't abort when we see them.
2022 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2024 Revert:
2025 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2026 * configure.ac: Completely disregard languages that are not
2027 enabled.
2028 * configure: Regenerated.
2030 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2031 Richard Guenther <rguenther@suse.de>
2033 PR tree-optimization/27236
2034 * tree-inline.c (copy_body_r): Make sure to copy
2035 TREE_THIS_VOLATILE flag.
2037 2006-04-24 Richard Guenther <rguenther@suse.de>
2039 PR middle-end/26869
2040 * tree-complex.c (update_parameter_components): Don't handle
2041 unused parameters which have no default def.
2043 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2044 Richard Guenther <rguenther@suse.de>
2046 PR tree-optimization/27218
2047 * tree-inline.c (expand_call_inline): Strip useless type
2048 conversions for the return slot address.
2050 2006-04-24 Richard Guenther <rguenther@suse.de>
2052 * cfgloop.h (struct loops): Remove unused field array. Reorder
2053 state after num.
2054 (LOOP_PREFETCH): Remove.
2056 2006-04-24 Richard Guenther <rguenther@suse.de>
2058 PR tree-optimization/22525
2059 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2060 variable, adjust types of generated expressions.
2062 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2064 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2065 (tree-vect-patterns.o): Likewise.
2066 (jump.o): Likewise.
2067 (cselib.o): Likewise.
2068 (loop-doloop.o): Likewise.
2069 (regclass.o): Likewise.
2070 (reload1.o): Likewise.
2071 (explow.o): Replace target.h with $(TARGET_H).
2072 (ipa-prop.o): Likewise.
2073 (ipa-cp.o): Likewise.
2074 (ipa-inline.o): Likewise.
2075 (reorg.o): Likewise.
2076 (reg-stack.o): Likewise.
2078 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2080 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2082 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2084 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2086 * configure.ac: Completely disregard languages that are not
2087 enabled.
2088 * configure: Regenerated.
2090 PR c++/26534
2091 * c-common.h (c_build_bitfield_integer_type): Declare.
2092 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2093 * c-common.c (c_build_bitfield_integer_type): ... here.
2095 2006-04-23 Roger Sayle <roger@eyesopen.com>
2097 PR target/21283
2098 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2099 a SImode SUBREG of a floating point register after no_new_pseudos.
2101 2006-04-23 Roger Sayle <roger@eyesopen.com>
2103 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2104 identify potentially eliminable registers to additionally catch
2105 VIRTUAL_INCOMING_ARGS_REGNUM.
2106 (addsi3): Update the conditions on when to use addsi_small_int.
2108 2006-04-23 Roger Sayle <roger@eyesopen.com>
2110 PR target/16641
2111 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2112 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2113 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2115 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2117 * fold-const.c (range_predecessor): Use operand_equal_p
2118 as the predicate for equality.
2119 (range_successor): Likewise.
2121 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2123 Revert:
2124 * config/soft-fp/op-common.h: Fix a typo.
2126 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2128 PR libmudflap/26864
2129 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2130 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2132 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2134 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2135 Fix comment typos.
2136 * doc/tm.texi: Fix a typo.
2138 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2140 * dwarf2out.c (struct die_struct): Document that die_sib makes
2141 a circular linked list.
2142 (FOR_EACH_CHILD): New.
2143 (reverse_die_lists): Delete.
2144 (reverse_all_dies): Delete.
2145 (add_dwarf_attr): Correct documentation.
2146 (remove_child_with_prev): New.
2147 (remove_child_TAG): Update for change to die_struct, use
2148 remove_child_with_prev.
2149 (add_child_die): Update for change to die_struct.
2150 (splice_child_die): Use remove_child_with_prev and add_child_die.
2151 (print_die): Use FOR_EACH_CHILD.
2152 (die_checksum): Likewise.
2153 (assign_symbol_names): Likewise.
2154 (output_location_lists): Likewise.
2155 (build_abbrev_table): Likewise.
2156 (calc_die_sizes): Likewise.
2157 (mark_dies): Likewise.
2158 (unmark_dies): Likewise.
2159 (unmark_all_dies): Likewise.
2160 (output_die): Likewise.
2161 (prune_unused_types_mark): Likewise.
2162 (prune_unused_types_walk): Likewise.
2163 (same_die_p): Update for change to die_struct.
2164 (break_out_includes): Likewise.
2165 (prune_unused_types_prune): Likewise.
2166 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2167 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2168 it's already clear.
2169 (dwarf2out_finish): Don't call reverse_all_dies.
2171 2006-04-21 Eric Christopher <echristo@apple.com>
2173 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2174 in comments and function names.
2176 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2178 PR c/25875
2179 * c-typeck.c (digest_init): Robustify.
2181 * c-typeck.c (pop_init_level): Simplify.
2183 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2185 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2187 2006-04-21 Paul Brook <paul@codesourcery.com>
2189 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2190 hardware floating point.
2192 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2194 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2195 NON_FLOAT_REGS.
2197 2006-04-21 Nick Clifton <nickc@redhat.com>
2199 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2200 OPT_EXTRA_PARTS.
2202 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2204 PR target/27230
2205 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2206 C++ lang type in traceback table for Objective-C++.
2208 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2210 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2212 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2214 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2216 PR mudflap/26789
2217 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2218 were errors. Remove check for erroneous objects.
2220 2006-04-20 Jeff Law <law@redhat.com>
2222 PR tree-optimization/26854
2223 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2224 checking for zero or one use.
2225 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2226 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2227 * tree-ssa-reassoc.c (negate_value): Similarly.
2228 (reassociate_bb): Similarly.
2230 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2232 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2233 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2234 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2236 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2238 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2239 fp regs if the last fp arg doesn't fit in regs.
2241 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2243 PR target/27182
2244 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2245 that the last insn has the REG_INC note.
2247 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2248 Nathan Sidwell <nathan@codesourcery.com>
2250 PR c/26774
2251 * stor-layout.c (update_alignment_for_field): Do not align
2252 ERROR_MARK nodes.
2253 (place_union_field): Place union field at the start of the union.
2254 (place_field): Move ERROR_MARK check later, and use the current
2255 allocation position to maintain monotonicity.
2257 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2259 * dominance.c: Include timevar.h.
2260 (calculate_dominance_info): Use TV_DOMINANCE.
2261 * timevar.def (TV_DOMINANCE): New timevar.
2262 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2264 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2266 PR rtl-optimization/14261
2267 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2268 move would be an INSV insn.
2269 (noce_process_if_block): Don't optimize if the destination is a
2270 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2272 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2274 * config/s390/s390.md: Add comments with the instructions emitted
2275 by an insn pattern if macros are used.
2277 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2279 PR rtl-optimization/26026
2280 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2281 is a known power of two shifted left a variable amount.
2283 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2285 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2286 to hash table twice when the debug_str section has SECTION_MERGE.
2288 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2290 * config/soft-fp: New directory. From glibc.
2291 * config/soft-fp/t-softfp: New.
2292 * config/soft-fp/README: New.
2293 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2294 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2295 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2296 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2297 * config.gcc: Use rs6000/t-fprules-fpbit or
2298 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2299 rs6000/t-fprules.
2300 * config/rs6000/sfp-machine.h: New. Based on glibc.
2301 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2302 New.
2303 * config/rs6000/t-fprules: Remove fp-bit rules.
2304 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2305 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2306 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2307 (softfp_wrap_start, softfp_wrap_end): New.
2309 2006-04-18 DJ Delorie <dj@redhat.com>
2311 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2313 2006-04-18 Devang Patel <dpatel@apple.com>
2315 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2317 2006-04-18 Nick Clifton <nickc@redhat.com>
2319 * config/sh/t-symbian: Add rule to build sh-c.o
2320 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2321 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2322 (sh_symbian_encode_section_info): Likewise.
2324 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2326 * builtins.c (expand_builtin_strcmp): Cover label definition of
2327 do_libcall with HAVE_cmpstrnsi.
2329 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2331 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2332 instead of VARRAY.
2333 * function.h (temp_slot_p): New.
2334 (function): Change the type of x_used_temp_slots to
2335 VEC(temp_slot_p,gc) *.
2337 2006-04-18 Nick Clifton <nickc@redhat.com>
2339 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2340 flag_strength_reduce.
2342 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2344 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2346 PR target/27117
2348 Partial revert of revision 112637
2349 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2350 Dale Johannesen <dalej@apple.com>
2352 PR target/19653
2353 * regclass.c (struct reg_pref): Update documentation.
2354 (regclass): Set prefclass to NO_REGS if memory is the best option.
2355 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2357 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2359 PR tree-optimization/26821
2360 * tree-ssa-math-opts.c (get_constant_one): New.
2361 (insert_reciprocals): Use it.
2363 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2365 * dwarf2out.c (free_AT): Delete.
2366 (remove_AT): Update string ref counts.
2367 (remove_child_TAG): Don't call free_die.
2368 (free_die): Delete.
2369 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2370 or DW_TAG_GNU_EINCL.
2371 (prune_unused_types_walk_attribs): Reset string refcounts.
2372 (prune_unused_types_update_strings): New.
2373 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2374 call free_die. Do call prune_unused_types_update_strings.
2375 (prune_unused_types): Empty debug_str_hash.
2377 2006-04-17 Roger Sayle <roger@eyesopen.com>
2379 * expr.c (expand_assignment): Optimize away no-op moves where the
2380 source and destination are equal and have no side-effects.
2382 2006-04-17 Richard Guenther <rguenther@suse.de>
2384 PR target/26826
2385 * reload.c (push_reload): Guard calls to get_secondary_mem
2386 for memory subregs.
2388 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2390 * alias.c (reg_base_value, old_reg_base_value): Change the
2391 type to VEC(rtx,gc) *.
2392 (REG_BASE_VALUE, find_base_value, record_set,
2393 init_alias_analysis): Use VEC instead of VARRAY.
2395 * alias.c (alias_sets): Change the type to
2396 VEC(alias_set_entry,gc) *.
2397 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2398 VEC instead of VARRAY.
2399 (last_alias_set): Remove.
2401 * cgraph.h (cgraph_edge_p): New.
2402 Update the prototype of cgraph_function_versioning.
2403 * cgraphunit.c (cgraph_copy_node_for_versioning,
2404 cgraph_function_versioning): Use VEC instead of VARRAY.
2405 * ipa-cp.c (ipcp_insert_stage): Likewise.
2407 2006-04-16 Roger Sayle <roger@eyesopen.com>
2409 PR target/26961
2410 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2411 "A op B" or "A op C", we may need to convert A to the type of B and C.
2413 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2415 * target.h (struct gcc_target): Add mode_rep_extended.
2416 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2417 (init_num_sign_bit_copies_in_rep): Initialize it using
2418 mode_rep_extended.
2419 (truncate_to_mode): Use it.
2420 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2421 * targhooks.h (default_mode_rep_extended): Declare it.
2422 * targhooks.c (default_mode_rep_extended): Define it.
2423 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2424 default_mode_rep_extended.
2425 (TARGET_INITIALIZER): Include it.
2426 * doc/tm.texi (Misc): Document it.
2427 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2428 (mips_truncated_to_mode): New function.
2430 2006-04-16 Roger Sayle <roger@eyesopen.com>
2432 PR middle-end/25474
2433 * expr.c (compress_float_constant): Copy the narrow constant into
2434 a new pseudo before extending it to its final width.
2436 2006-04-16 Roger Sayle <roger@eyesopen.com>
2437 Andrew Pinski <pinskia@gcc.gnu.org>
2438 Dale Johannesen <dalej@apple.com>
2440 PR target/24076
2441 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2442 special case code to implement V8HImode and V16QImode with SSE2.
2444 2006-04-15 Roger Sayle <roger@eyesopen.com>
2446 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2447 trees are constructed with a suitable tree type.
2449 2006-04-15 Roger Sayle <roger@eyesopen.com>
2451 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2452 (integer_onep): Likewise.
2453 (integer_all_onesp): Likewise.
2454 (integer_pow2p): Likewise.
2455 (integer_nonzerop): Likewise.
2456 (real_zerop): Likewise.
2457 (real_onep): Likewise.
2458 (real_twop): Likewise.
2459 (real_minus_onep): Likewise.
2460 (int_size_in_bytes): Likewise.
2461 (host_integerp): Likewise.
2463 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2465 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2466 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2467 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2469 * tree-ssa-structalias.h (alias_info): Remove num_references.
2471 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2473 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2474 (output_bvb patterns): Likewise.
2475 * pa.c (output_bb): Use 'bb' insn for long branch case.
2476 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2477 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2478 1. Correct length operand for alternatives 1 and 2.
2479 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2480 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2482 2006-04-14 Roger Sayle <roger@eyesopen.com>
2484 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2485 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2486 were accidentally reverted by r112959.
2488 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2490 PR middle-end/26823
2491 * except.h (eh_region_outermost): New prototype.
2492 * except.c (eh_region_outermost): New function.
2493 * tree-cfg.c (find_outermost_region_in_block): Use it.
2495 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2497 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2498 of VARRAY.
2499 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2500 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2501 (init_reload, reload): Use VEC instead of VARRAY.
2502 * reload.h: Update the prototype for
2503 reg_equiv_memory_loc_varray.
2505 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2506 Eric Botcazou <ebotcazou@libertysurf.fr>
2508 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2509 register save area.
2511 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2513 PR middle-end/27134
2514 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2515 to expand fallback builtin function call.
2517 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2519 PR middle-end/27095
2520 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2521 and emit libcall here in case the builtin fails.
2522 (expand_builtin_strcmp): Always emit the libcall here on failure.
2524 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2526 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2527 * flow.c (reg_n_info): Change the type to
2528 VEC(reg_info_p,heap) *.
2529 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2530 instead of VARRAY.
2531 * regs.h (reg_info_p): New.
2532 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2533 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2534 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2535 instead of VARRAY.
2537 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2539 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2540 defaulting to 100.
2541 * params.h (MAX_SCHED_READY_INSNS): New macro.
2542 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2543 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2544 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2545 the ready list for 1 cycle during the first scheduling pass.
2546 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2548 2006-04-13 Richard Henderson <rth@redhat.com>
2550 PR libgomp/26651
2551 * gimple-low.c (lower_omp_directive): Remove dead code.
2552 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2553 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2554 * omp-low.c (struct omp_region): Move to tree-flow.h.
2555 (root_omp_region): Export.
2556 (omp_regions, lookup_omp_region): Remove.
2557 (determine_parallel_type): Update for struct omp_region changes.
2558 (dump_omp_region): Dump regions with block numbers.
2559 (new_omp_region): Take type and block instead of stmt; malloc
2560 instead of ggc.
2561 (free_omp_region_1, free_omp_regions): New.
2562 (expand_parallel_call): Take entry_stmt as argument; update for
2563 changes to omp_region.
2564 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2565 (remove_exit_barriers): New.
2566 (expand_omp_parallel): Update for struct omp_region changes.
2567 (expand_omp_synch): Likewise.
2568 (expand_omp): Likewise.
2569 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2570 (expand_omp_for_static_chunk): Likewise.
2571 (expand_omp_for): Likewise.
2572 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2573 (expand_omp_sections): Similarly, with GOMP_sections_end.
2574 (expand_omp_single): New.
2575 (build_omp_regions_1): Update for OMP_CONTINUE.
2576 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2577 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2578 OMP_SECTIONS_SECTIONS.
2579 (lower_omp_single_simple): Don't emit barrier here.
2580 (lower_omp_single_copy): Likewise.
2581 (lower_omp_single): Fix bindings, and lower to straightline now.
2582 (lower_omp_master, lower_omp_ordered): Likewise.
2583 (lower_omp_critical): Likewise.
2584 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2585 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2586 omp edges, free it afterward.
2587 (make_omp_sections_edges): Remove.
2588 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2589 (move_stmt_r): Handle OMP_CONTINUE.
2590 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2591 statement pointers to basic blocks. Add type member.
2592 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2593 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2594 * tree-inline.c (estimate_num_insns_1): Likewise.
2595 * tree-pretty-print.c (dump_generic_node): Likewise.
2596 * tree-ssa-operands.c (get_expr_operands): Likewise.
2597 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2598 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2599 (OMP_CONTINUE): New.
2600 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2601 (OMP_SECTIONS_SECTIONS): Remove.
2602 (OMP_SECTION_LAST): New.
2603 (OMP_RETURN_NOWAIT): New.
2605 2006-04-13 Roger Sayle <roger@eyesopen.com>
2607 * fold-const.c (native_encode_vector, native_interpret_real):
2608 Correct obvious mistakes in the previous check-in.
2610 2006-04-13 Roger Sayle <roger@eyesopen.com>
2612 * fold-const.c (native_encode_expr): New function to encode
2613 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2614 or VECTOR_CST into a specified buffer.
2615 (native_encode_int): New function.
2616 (native_encode_real): New function.
2617 (native_encode_complex): New function.
2618 (native_encode_vector): New function.
2619 (native_interpret_expr): Inverse of native_encode_expr to convert
2620 a target representation into an INTEGER_CST, REAL_CST etc...
2621 (native_interpret_int): New function.
2622 (native_interpret_real): New function.
2623 (native_interpret_complex): New function.
2624 (native_interpret_vector): New function.
2625 (fold_view_convert_expr): New function to constant fold/evaluate
2626 a VIEW_CONVERT_EXPR of a suitable constant expression.
2627 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2628 Change call of build1 to fold_build1 when constructing a
2629 VIEW_CONVERT_EXPR.
2631 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2632 Ulrich Weigand <uweigand@de.ibm.com>
2634 PR target/27006
2635 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2636 to be even.
2638 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2640 PR target/26459
2641 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2642 optimize to lo_sum for DFmode if !TARGET_FPRS.
2644 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2646 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2647 delete_alias_info, compute_flow_sensitive_aliasing,
2648 group_aliases): Use VEC instead of VARRAY.
2649 * tree-ssa-structalias.c (update_alias_info): Likewise.
2650 * tree-ssa-structalias.h (alias_info): Change the type of
2651 processed_ptrs to VEC(tree,heap) *.
2653 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2655 PR target/27060
2656 * config/sh/lib1funcs.h: New file, broken out of:
2657 * config/sh/lib1funcs.asm.
2658 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2659 New macros.
2660 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2661 * config/sh/lib1funcs-Os-4-200.asm: New file.
2662 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2663 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2664 (EXTRA_MULTILIB_PARTS): Include it.
2665 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2666 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2667 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2668 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2669 TARGET_SH2.
2671 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2673 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2674 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2675 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2676 VARRAY.
2677 * tree-ssa-live.h: Include vecprim.h.
2678 (tree_partition_associator_d): Change the type of
2679 first_partition to VEC(int,heap) *.
2680 (tpa_first_partition): Use VEC instead of VARRAY.
2682 * Makefile.in (GTFILES): Move functions.h after tree.h.
2683 * function.c (reset_block_changes, record_block_change,
2684 check_block_change, free_block_changes): Use VEC instead of
2685 VARRAY.
2686 * function.h (function): Change the type of
2687 ib_boundaries_block to VEC(tree,gc) *.
2688 * tree-inline.c (copy_cfg_body): Initialize
2689 ib_boundaries_block to NULL instead of (varray_type) 0.
2691 2006-04-12 Roger Sayle <roger@eyesopen.com>
2693 * expr.c (emit_group_store): Correct operand order in call to
2694 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2695 a SUBREG_BYTE of zero.
2697 2006-04-12 Richard Guenther <rguenther@suse.de>
2699 * profile.c (compute_branch_probabilities): Remove code
2700 encapsulated in !ir_type (), which are remanents of the
2701 removed RTL profiling code.
2702 * rtl-profile.c: Remove.
2704 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2706 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2707 magic NULL_RTX comment.
2708 (function_arg): Store entire fp arg to mem if any part should go
2709 on stack.
2710 (rs6000_arg_partial_bytes): Adjust for above change.
2712 2006-04-11 Roger Sayle <roger@eyesopen.com>
2714 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2715 if it hasn't been initialized by dwarf2out_init.
2717 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2719 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2720 symbolic constants in branch patterns.
2722 2006-04-11 Roger Sayle <roger@eyesopen.com>
2724 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2726 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2728 PR rtl-optimization/27073
2729 * gcse.c (try_replace_reg): Revert last change. Continue to search
2730 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2731 on the former.
2733 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2735 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2736 aggregate types other than record and union types.
2737 (function_arg): Likewise.
2738 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2739 small arrays.
2740 (function_value): In 64-bit mode, return objects that require it
2741 in FP registers.
2743 2006-04-11 Roger Sayle <roger@eyesopen.com>
2745 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2747 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2749 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2751 2006-04-03 Jeff Law <law@redhat.com>
2753 PR/27087
2754 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2755 alias information too.
2757 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2759 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2761 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2763 PR/21391
2764 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2765 (premark_used_types_helper): New.
2766 (premark_used_types): New.
2767 (gen_subprogram_die): Call premark_used_types.
2768 (prune_unused_types_walk): Do not prune perennial dies.
2769 * function.c (used_types_insert): New.
2770 * function.h (struct function): Add used_types_hash field.
2771 (used_types_insert): Add prototype.
2772 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2773 * c-parser.c (c_parser_cast_expression): Save casted types in used
2774 types hash table.
2776 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2778 PR target/26459
2779 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2780 rs6000_explicit_options.float_gprs.
2782 2006-04-10 Roger Sayle <roger@eyesopen.com>
2784 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2785 from ix86_expand_vector_init_low_nonzero. Take an additional
2786 one_var argument indicating which element is non-zero. Support
2787 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2788 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2789 with one_var instead of ix86_expand_vector_init_low_nonzero.
2791 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2793 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2794 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2795 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2796 build/genextract.o): Depend on vecprim.h.
2797 * cfglayout.c, df-problems.c, function.c, genextract.c,
2798 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2799 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2800 vecprim.h.
2801 * vecprim.h: New.
2803 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2805 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2806 Declare VECs of this type.
2807 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2808 (remove_children): Delete.
2809 (add_dwarf_attr): Use VEC routines.
2810 (add_AT_flag): Update for changes to add_dwarf_attr.
2811 (add_AT_int): Likewise.
2812 (add_AT_unsigned): Likewise.
2813 (add_AT_long_long): Likewise.
2814 (add_AT_vec): Likewise.
2815 (add_AT_string): Likewise.
2816 (add_AT_die_ref): Likewise.
2817 (add_AT_fde_ref): Likewise.
2818 (add_AT_loc): Likewise.
2819 (add_AT_loc_list): Likewise.
2820 (add_AT_addr): Likewise.
2821 (add_AT_lbl_id): Likewise.
2822 (add_AT_lineptr): Likewise.
2823 (add_AT_macptr): Likewise.
2824 (add_AT_offset): Likewise.
2825 (add_AT_range_list): Likewise.
2826 (get_AT): Use VEC_iterate.
2827 (remove_AT): Use VEC_ordered_remove.
2828 (free_die): Fold remove_children into here; have it use VEC_iterate.
2829 (print_die): Use VEC_iterate on attrs.
2830 (reverse_die_lists): Don't reverse attr lists.
2831 (die_checksum): Use VEC_iterate on attrs.
2832 (same_die_p): Likewise.
2833 (output_location_lists): Likewise.
2834 (build_abbrev_table): Likewise.
2835 (size_of_die): Likewise.
2836 (unmark_all_dies): Likewise.
2837 (output_abbrev_section): Likewise.
2838 (output_die): Likewise.
2839 (prune_unused_types_walk_attribs): Likewise.
2841 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2843 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2845 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2847 PR debug/27057
2848 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2850 2006-04-09 Roger Sayle <roger@eyesopen.com>
2852 * expr.c (store_constructor): Don't bother clearing target if
2853 we're about to assign a vector to it using vec_init_optab.
2855 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2857 * tree-ssa-alias.c (lhs_may_store_to): New function.
2858 (recalculate_used_alone): Handle LHS of calls.
2860 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2862 PR target/27034
2863 PR target/26508
2864 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2865 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2866 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2867 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2868 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2869 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2870 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2871 stubs. Add ".align 8" directives before all ".dword" directives.
2872 (GTHREAD_USE_WEAK): Revise comment.
2873 (TARGET_ATTRIBUTE_WEAK): Define.
2874 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2875 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2876 * stublib.c: New file.
2878 PR target/26743
2879 PR target/11254
2880 PR target/10274
2881 * pa.md (cbranch patterns): Revise arguments used in calls to
2882 output_cbranch, output_bb and output_bvd. Add long branch length
2883 attributes.
2884 (fbranch patterns): Handle long branches.
2885 (jump): Revise length check. Revise arguments for output_lbranch call.
2886 Add long branch length attributes.
2887 (decrement_and_branch_until_zero): Add long branch length attributes.
2888 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2889 Likewise. Revise arguments for output_parallel_addb and
2890 output_parallel_movb calls.
2891 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2892 output_parallel_movb and output_parallel_addb): Update prototypes.
2893 * pa.c (output_cbranch): Revise arguments. Correct handling of
2894 nullification in long branches.
2895 (output_lbranch): Add new argument to control extraction of delay
2896 instruction.
2897 (output_bb): Handle long branches.
2898 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2899 output_parallel_addb): Likewise.
2901 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2903 PR rtl-optimization/27073
2904 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2905 not REG_EQUIVs.
2907 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2909 * tree.h (tree_memory_tag): Add old_used_alone.
2910 (SMT_OLD_USED_ALONE): New macro.
2911 * tree-ssa-alias.c (recalculate_used_alone): Stop
2912 marking things for renaming unnecessarily.
2914 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2916 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2917 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2918 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2919 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2920 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2921 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2922 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2923 spelling convensions.
2924 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2925 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2926 typos. Follow spelling conventions.
2928 2006-04-07 DJ Delorie <dj@redhat.com>
2930 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2931 passed on the stack.
2932 (m32c_init_cumulative_args): When a function returns a structure,
2933 always pass the pointer to that return area on the stack.
2934 (m32c_function_arg_advance): Don't increment the parameter number
2935 if we're processing the returned structure pointer.
2936 (pushm_info): Reverse order of registers.
2938 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2940 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2941 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2942 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2943 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2944 build_int_cst_type.
2945 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2946 chrec_fold_multiply): Same.
2947 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2948 force_expr_to_var_cost): Same.
2949 * tree-mudflap.c (mf_xform_derefs_1): Same.
2950 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2952 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2954 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2955 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2956 insn.
2958 2006-04-07 Jan Hubicka <jh@suse.cz>
2960 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2962 2006-04-07 Richard Guenther <rguenther@suse.de>
2964 PR tree-optimization/26135
2965 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2966 loads for store copy-prop.
2967 (copy_prop_visit_stmt): Likewise.
2969 2006-04-05 Robert Millan <robertmh@gnu.org>
2971 * config/i386/linux.h: Add a comment to mark macros that are
2972 being overriden in config/k*bsd-gnu.h.
2973 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2974 DYNAMIC_LINKER.
2975 * config/knetbsd-gnu.h: Ditto.
2977 2006-04-06 Jan Hubicka <jh@suse.cz>
2979 PR profile/20815
2980 PR profile/26399
2981 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2982 after buffer.
2984 2006-04-06 Mike Stump <mrs@apple.com>
2986 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2987 for HAVE_nonlocal_goto to be consistent.
2988 (expand_builtin_nonlocal_goto): Likewise.
2989 (expand_builtin_strcmp): Use #ifdef instead of #if
2990 for HAVE_cmpstrnsi to be consistent.
2992 2006-04-05 DJ Delorie <dj@redhat.com>
2994 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2995 vs m32c.
2997 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2999 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3000 got-relative addressing for anything but SImode.
3002 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3003 even if the calling function doesn't modify them.
3005 2006-04-05 Richard Guenther <rguenther@suse.de>
3007 PR tree-optimization/26919
3008 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3009 to cgraph_estimate_size_after_inlining.
3011 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3013 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3015 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3017 PR tree-optimization/26996
3018 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3019 VECTOR_TYPE variables.
3021 2006-04-05 Richard Guenther <rguenther@suse.de>
3023 PR tree-optimization/26763
3024 * fold-const.c (fold_comparison): Move folding of
3025 PTR + CST CMP PTR + CST ...
3026 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3028 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3030 * doc/install.texi (Prerequisites): Refine some wording on
3031 bootstrapping and ksh.
3032 Move the version numbers of DejaGnu here from the testing section
3033 and fix casing of names.
3034 Fix markup and clarify wording for autogen requirements.
3035 Refer to GCJ instead of just java.
3036 Refer to SVN instead of CVS.
3037 Describe diffutils as useful instead of necessary.
3038 (Downloading the source): Refer to SVN instead of CVS.
3039 Adjust a link to our web site accordingly.
3040 (Configuration): Fix casing of Bison.
3041 (Building): Refer to SVN instead of CVS.
3042 Fix a sentence on the use of Bison and remove duplicate (and
3043 incorrect) version number of Bison requirement.
3044 Remove one redundant list of packages needed for building.
3045 (Specific): Avoid reference to CVS.
3047 2006-04-04 Eric Christopher <echristo@apple.com>
3049 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3050 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3051 (rs6000_handle_struct_attribute): New.
3052 (rs6000_ms_bitfield_layout_p): Ditto.
3054 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3056 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3057 NULL for dso parameter to atexit_common.
3059 2006-04-04 Eric Christopher <echristo@apple.com>
3061 * config/i386/i386.c (machopic_output_stub): Output \t
3062 between instructions and operands.
3064 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3066 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3067 satisfies_constraint_[IL] to explicit tests on value.
3069 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3071 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3072 set_nb_iterations_in_loop): Use build_int_cst instead of
3073 build_int_cst_type.
3074 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3075 build_int_cst instead of convert.
3077 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3079 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3080 new value 2 for incoming.
3081 * function.c (expand_function_start): Call struct_value_rtx
3082 with incoming as 2.
3083 * config/sparc/sparc.md: Comment updated_return.
3084 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3085 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3086 struct return if sparc_std_struct_return and incoming is 2.
3087 (print_operand): Do not adjust return if
3088 sparc_std_struct_return.
3090 2006-04-04 Roger Sayle <roger@eyesopen.com>
3092 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3093 convert in the middle-end.
3094 * expr.c (store_expr, store_constructor, get_inner_reference,
3095 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3096 Likewise.
3097 * tree.c (build_range_type): Likewise.
3099 2006-04-04 Tom Tromey <tromey@redhat.com>
3101 * doc/install.texi (Prerequisites): Mention jar.
3103 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3105 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3106 subsection.
3108 2006-04-04 Matthias Klose <doko@debian.org>
3110 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3111 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3112 strings.
3114 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3116 * doc/extend.texi (Function Attributes): Rewrite visibility
3117 attribute documentation.
3118 * doc/invoke.texi (C++ Dialect Options): Rewrite
3119 -fvisibility-inlines-hidden documentation to describe something
3120 entirely different, although in practise compatible.
3121 (Code Gen Options): Warn about system headers in -fvisibility=
3122 documentation.
3124 * doc/extend.texi (Other Builtins): Document that
3125 __builtin_nan is a compile-time constant only when its argument
3126 is valid.
3128 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3130 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3131 trying to remove TRUNCATE check if all bits outside the new mode
3132 are identical to the sign bit.
3134 2006-04-03 Jeff Law <law@redhat.com>
3136 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3137 and operand scanning in some common cases.
3139 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3140 Dale Johannesen <dalej@apple.com>
3142 PR target/19653
3143 * regclass.c (struct reg_pref): Update documentation.
3144 (regclass): Set prefclass to NO_REGS if memory is the best option.
3145 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3146 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3147 into account. For non-registers, equate an empty preferred
3148 reload class to a `!' in the constraint; move the if clause to
3149 do so after those that reject the insn.
3150 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3151 return NO_REGS.
3152 (find_dummy_reload): Likewise.
3153 * doc/tm.texi (Register Classes): Document what it means
3154 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3155 * config/i386/i386.c (ix86_preferred_reload_class): Force
3156 using SSE registers (and return NO_REGS for floating-point
3157 constants) if math is done with SSE.
3158 (ix86_preferred_output_reload_class): New.
3159 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3160 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3161 * config/i386/i386.md: Remove # register preferences.
3163 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3165 PR bootstrap/26992
3166 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3167 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3168 the type of nb_iter.
3169 (instantiate_parameters_1): Convert the operands before calling
3170 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3171 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3173 2006-04-02 Roger Sayle <roger@eyesopen.com>
3175 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3176 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3177 instead of convert.
3178 * dojump.c (do_jump): Likewise.
3179 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3180 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3181 gimplify_boolean_expr): Likewise.
3182 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3183 * varasm.c (array_size_for_constructor): Likewise.
3184 * tree-object-size.c (compute_object_offset): Likewise.
3186 2006-04-02 Roger Sayle <roger@eyesopen.com>
3188 PR middle-end/26977
3189 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3190 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3192 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3194 PR tree-optimization/26939
3195 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3197 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3199 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3200 at_stmt. Convert the type of operands before calling
3201 build_polynomial_chrec.
3202 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3203 add_to_evolution_1.
3204 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3205 (instantiate_parameters_1): Convert the type of operands before calling
3206 build_polynomial_chrec.
3207 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3208 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3209 reset_evolution_in_loop): Insert asserts to check the types of the
3210 operands.
3211 (chrec_type): Moved...
3212 (eq_evolutions_p): Use operand_equal_p.
3213 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3214 the types of the operands.
3215 (chrec_type): ...here.
3216 * tree-data-ref.c (create_data_ref): Convert the operands before
3217 calling chrec_replace_initial_condition.
3218 (same_access_functions, analyze_subscript_affine_affine,
3219 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3220 (compute_subscript_distance, analyze_ziv_subscript,
3221 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3222 analyze_miv_subscript): Convert the operands before calling
3223 chrec_fold_minus or chrec_fold_plus.
3225 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3227 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3228 the dependence_relations vector.
3229 (compute_data_dependences_for_loop): Adjust call to
3230 compute_all_dependences.
3232 2006-04-01 Roger Sayle <roger@eyesopen.com>
3233 Richard Henderson <rth@redhat.com>
3235 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3236 gimple_boolify on the condition before calling gimplify_expr.
3238 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3240 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3241 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3242 the frame size. Update to use the new macros.
3243 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3244 * config/xtensa/ieee754-df.S: Likewise.
3246 2006-03-31 Richard Henderson <rth@redhat.com>
3248 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3249 (make_edges): ... here. Control fallthru creation with a local
3250 variable. Do not play with fake edges.
3251 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3252 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3253 a boolean.
3255 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3257 * dwarf2.h (DW64_CIE_ID): Define.
3258 * dwarf2out.c (DWARF_CIE_ID): Define.
3259 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3260 length header. Use DWARF_CIE_ID.
3261 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3262 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3264 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3266 * config/sh/linux-atomic.asm: New file.
3267 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3269 2006-03-31 DJ Delorie <dj@redhat.com>
3271 * config/m32c/cond.md: Set condition flags properly throughout.
3272 * config/m32c/minmax.md: Likewise.
3273 * config/m32c/prologue.md: Likewise.
3274 * config/m32c/bitops.md: Likewise.
3275 * config/m32c/muldiv.md: Likewise.
3276 * config/m32c/mov.md: Likewise.
3277 * config/m32c/addsub.md: Likewise.
3278 * config/m32c/m32c.md: Likewise.
3279 * config/m32c/jump.md: Likewise.
3280 * config/m32c/shift.md: Likewise.
3282 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3283 conditionally output the pattern for this.
3284 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3285 (m32c_compare_redundant): New.
3286 (m32c_output_compare): New.
3287 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3289 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3290 dest, not src. Allow other 4-byte modes.
3292 2006-03-30 Denis Chertykov <denisc@overta.ru>
3294 * doc/md.texi: Refer to avr/constraints.md instead of
3295 avr/avr.h.
3297 2006-03-30 Roger Sayle <roger@eyesopen.com>
3299 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3300 signed vs. unsigned comparison failures on some hosts.
3302 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3304 PR target/26459
3305 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3306 change to FLOAT_REGS.
3308 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3309 (rs6000_override_options): Use it.
3310 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3311 only for -mabi=spe/no-spe and -mabi=altivec.
3313 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3315 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3316 !Zdynamiclib.
3318 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3320 * Makefile.in: Rename docdir to gcc_docdir.
3322 2006-03-30 Roger Sayle <roger@eyesopen.com>
3324 PR target/17959
3325 * expr.c (emit_group_store): Optimize group stores into a pseudo
3326 register by using a paradoxical subreg to initialize the destination
3327 if the first or last member of the group specifies a "low part".
3329 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3331 PR target/26734
3332 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3333 * target.h (struct gcc_target.speculate_insn): Change type of the
3334 second parameter to 'int'.
3335 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3336 the second operand of the DEPS_LIST.
3337 (copy_DEPS_LIST_list): Update reference to the second operand of the
3338 DEPS_LIST.
3339 * rtl.h (alloc_DEPS_LIST): Update signature.
3340 * sched-int.h (ds_t): Change typedef to 'int'.
3341 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3343 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3345 * haifa-sched.c (try_ready): Change condition to restore
3346 non-speculative pattern of the instruction.
3347 (process_insn_depend_be_in_spec): Code to keep probability of the
3348 speculative dependence non-decreasing.
3350 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3352 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3353 (single_move_for_movmem): ... this. Also change all uses.
3354 (bfin_expand_strmov): Renamed to...
3355 (bfin_expand_movmem): ... this. Also change all uses.
3356 * config/bfin/bfin.md (movstrsi): Renamed to...
3357 (movstrsi): ...this.
3359 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3361 PR tree-optimization/26830
3363 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3364 (copy_prop_visit_stmt): Remove write-only variable ann.
3365 (init_copy_prop): Check variable loop depth here. Do not simulate
3366 memory-tag and virtual operand PHIs except for store copy prop.
3368 2006-03-30 Richard Guenther <rguenther@suse.de>
3370 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3371 variants with double arguments.
3373 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3375 * genpreds.c (write_tm_constrs_h): Delete variable p.
3376 * genconditions.c (write_header): Add tm-constrs.h to included
3377 headers.
3378 * genpeep.c (main): Add toplev.h to included headers.
3379 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3380 (build/genpeep.o): Add toplev.h dependency.
3381 * config/rs6000/constraints.md: Add "W" constraint.
3383 2006-03-29 Roger Sayle <roger@eyesopen.com>
3385 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3386 sizes by correctly testing whether the size fits a host integer.
3387 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3388 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3389 SImode range for the default sizetype and bitsizetype.
3391 2006-03-29 Roger Sayle <roger@eyesopen.com>
3393 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3394 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3395 quickly if the argument is already of the correct type.
3396 Call fold_build1 instead of build1. Tidy up blank lines.
3398 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3400 * genemit.c (main): Add tm-constrs.h to included headers.
3401 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3402 * genpeep.c (main): Add tm-constrs.h to included headers.
3403 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3404 (write_tm_constrs_h): this and write complete file.
3405 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3406 (write_insn_preds_c): Add tm-constrs.h to included headers.
3407 (gen_constrs): New variable.
3408 (parse_option): Parse "-c".
3409 (main): Invoke write_tm_constrs_h.
3410 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3411 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3412 (object_out_file): Add tm-constrs.h dependency.
3413 (insn-emit.o): Same.
3414 (insn-output.o): Same.
3415 (insn-peep.o): Same.
3416 (insn-preds.o): Same.
3417 (insn-recog.o): Same.
3418 (tm-constsr.h): New target.
3419 (s-constrs-h): New target.
3421 * config/rs6000/constraints.md: New file.
3422 * config/rs6000/rs6000.c: Include tm-constrs.h.
3423 (num_insn_constant_wide): Convert to satisfies_constraint.
3424 (rs6000_rtx_costs): Convert to satisfies_constraint.
3425 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3426 (CONST_OK_FOR_LETTER_P): Delete.
3427 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3428 (EXTRA_CONSTRAINT): Delete.
3429 (EXTRA_MEMORY_CONSTRAINT): Delete.
3430 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3431 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3432 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3433 satisfies_constraint.
3435 * config/i386/i386.c: Include tm-constrs.h.
3437 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3439 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3440 * tree-data-ref.c (find_data_references_in_loop,
3441 compute_data_dependences_for_loop): Use pointers to VEC.
3442 (analyze_all_data_dependences): Adjust calls.
3443 * tree-data-ref.h (find_data_references_in_loop,
3444 compute_data_dependences_for_loop): Adjust declarations.
3445 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3446 compute_data_dependences_for_loop.
3448 2006-03-29 Paul Brook <paul@codesourcery.com>
3450 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3451 (movdf_vfp): Ditto.
3453 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3455 PR tree-optimization/26859
3456 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3457 division by zero.
3458 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3459 for the step after fold_convert.
3461 2006-03-29 Paul Brook <paul@codesourcery.com>
3463 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3464 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3466 2006-03-29 Paul Brook <paul@codesourcery.com>
3468 PR middle-end/23623
3469 * targhooks.c (default_narrow_bitfield): New fuction.
3470 * targhooks.h (default_narrow_bitfield): add prototype.
3471 * target.h (gcc_target): Add narrow_volatile_bitfield.
3472 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3473 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3474 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3475 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3477 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3479 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3480 tmake_file.
3481 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3482 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3483 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3484 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3485 (s390_function_arg_float): Allow SDmode and DDmode values to be
3486 passed in floating point registers.
3487 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3488 check with SCALAR_FLOAT_MODE_P.
3489 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3491 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3493 PR tree-optimization/25985
3494 * tree-ssa-loop-niter.c (number_of_iterations_le,
3495 number_of_iterations_ne): Make comments more precise.
3496 (number_of_iterations_cond): Add only_exit argument. Use the
3497 fact that signed variables do not overflow only when only_exit
3498 is true.
3499 (loop_only_exit_p): New.
3500 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3501 number_of_iterations_cond.
3503 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3505 PR tree-optimization/26643
3506 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3507 bit_field_refs.
3509 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3511 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3512 (divsi3_i4_int): Likewise.
3514 2006-03-28 Roger Sayle <roger@eyesopen.com>
3516 * expr.c (emit_group_store): Only create a new pseudo reg if the
3517 quantity it needs to hold isn't already a suitable pseudo.
3519 2006-03-28 Jeff Law <law@redhat.com>
3521 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3522 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3524 2006-03-28 Roger Sayle <roger@eyesopen.com>
3526 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3527 the equivalent ~X & Y, and the symmetry related transformations.
3528 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3529 ~X & Y, and symmetry related transforms.
3531 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3533 Revert my 2006-03-27 patches.
3535 2006-03-28 Roger Sayle <roger@eyesopen.com>
3537 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3538 ~(T1)X, when T1 and T2 are integer types of the same precision
3539 and (T2)X isn't an extension.
3541 2006-03-28 Jeff Law <law@redhat.com>
3543 PR tree-optimization/26796
3544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3545 need EH edge cleanups rather than purging them immediately.
3546 (eliminate_degenerate_phis): Handle queued EH cleanups.
3548 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3550 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3551 from parent_var.
3553 2006-03-27 Roger Sayle <roger@eyesopen.com>
3555 PR middle-end/22524
3556 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3557 cast BIT_NOT_EXPR operand to the correct type.
3559 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3561 * tree-loop-linear.c: Don't include varray.h.
3562 (gather_interchange_stats, try_interchange_loops,
3563 linear_transform_loops): Use VEC instead of VARRAY.
3564 * lambda-mat.c: Don't include varray.h.
3565 * tree-chrec.c: Same.
3566 * lambda-trans.c: Same.
3567 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3568 VEC instead of VARRAY.
3569 * tree-vectorizer.h: Idem.
3570 * tree-data-ref.c (dump_data_references,
3571 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3572 initialize_data_dependence_relation, finalize_ddr_dependent,
3573 compute_all_dependences, find_data_references_in_loop,
3574 compute_data_dependences_for_loop, analyze_all_data_dependences,
3575 free_dependence_relation, free_dependence_relations,
3576 free_data_refs): Idem.
3577 * tree-data-ref.h (data_reference_p, subscript_p): New.
3578 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3579 VEC instead of VARRAY.
3580 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3581 (find_data_references_in_loop, compute_data_dependences_for_loop,
3582 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3583 dump_data_dependence_relations, free_dependence_relations,
3584 free_data_refs): Adjust declaration.
3585 (lambda_transform_legal_p): Move declaration here...
3586 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3587 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3588 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3589 vect_analyze_data_refs): Use VEC instead of VARRAY.
3590 * lambda.h (lambda_transform_legal_p): ...from here.
3591 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3592 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3593 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3594 tree-chrec.o): Don't depend on VARRAY_H.
3596 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3598 * rtl.def (Copyright): Update date.
3599 (DEPS_LIST): Change type of the second operand to 'int'.
3600 * target.h (Copyright): Update date.
3601 (struct gcc_target.speculate_insn): Change type of the second parameter
3602 to 'int'.
3603 * lists.c (Copyright): Update date.
3604 (alloc_DEPS_LIST): Change signature. Update reference to the second
3605 operand of the DEPS_LIST.
3606 (copy_DEPS_LIST_list): Update reference to the second operand of the
3607 DEPS_LIST.
3608 * rtl.h (Copyright): Update date.
3609 (alloc_DEPS_LIST): Update signature.
3610 * sched-int.h (Copyright): Update date.
3611 (ds_t): Change typedef to 'int'.
3612 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3614 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3616 * haifa-sched.c (Copyright): Update date.
3617 (try_ready): Change condition to restore non-speculative pattern
3618 of the instruction.
3619 (process_insn_depend_be_in_spec): Code to keep probability of the
3620 speculative dependence non-decreasing.
3622 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3624 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3625 shut up the compiler.
3627 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3629 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3630 to use lib prefix for target.
3631 ($(T)libic_invalidate_array_4-200.a): Likewise.
3632 ($(T)libic_invalidate_array_4a.a): Likewise.
3634 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3635 J"orn Rennecke <joern.rennecke@st.com>
3637 * superh.opt: New file.
3638 * sh.c (boardtype, osruntime): Remove.
3639 * superh.h (SUBTARGET_OPTIONS): Remove.
3640 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3642 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3643 arguments with ^ and/or [].
3645 * config.gcc (sh-*-*): Add quoting to account for quirk of
3646 Solaris /bin/sh.
3647 Replace == with = in enable_incomplete_targets test.
3649 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3650 with MASK_LITTLE_ENDIAN.
3652 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3653 * config/sh/sh.opt: Added to some comments.
3654 * config/sh/superh.h: Removed some chaff.
3656 * config/sh/sh.opt: Add m4-[1234]00* options.
3657 * config/sh/sh.c (sh_handle_option): Likewise.
3658 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3659 (ic_invalidate_array_4-100.o): New rule.
3660 ($(T)libic_invalidate_array_4-100.a): Likewise.
3661 (ic_invalidate_array_4-200.o): Likewise.
3662 ($(T)libic_invalidate_array_4-200.a): Likewise.
3663 (ic_invalidate_array_4a.o): Likewise.
3664 ($(T)libic_invalidate_array_4a.a): Likewise.
3665 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3666 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3667 m4-200*, and m4a*.
3668 * config/sh/crt1.asm: Merged in profiling code.
3669 * config/sh/superh.h (STARTFILE_SPEC): Override.
3670 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3671 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3672 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3674 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3675 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3676 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3678 * sh.opt (mpretend-cmove): New option.
3679 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3680 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3681 (movsicc): Add TARGET_PRETEND_CMOVE code.
3683 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3685 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3686 s390_class_max_nregs): New function prototypes.
3687 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3688 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3689 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3690 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3692 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3694 * dwarf2out.c (add_location_or_const_value_attribute): Call
3695 tree_add_const_value_attribute if nothing else works.
3696 (reference_to_unused): New.
3697 (rtl_for_decl_init): Use reference_to_unused to decide whether
3698 to output an initializer.
3700 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3702 PR target/26459
3703 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3704 peephole removing spe frob_di_df_2.
3706 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3708 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3709 (subscript_dependence_tester_1): Declared.
3710 (print_dir_vectors, print_dist_vectors): New.
3711 (debug_data_dependence_relation): New.
3712 (dump_data_dependence_relation): Print more details.
3713 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3714 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3715 (save_dist_v, save_dir_v, add_outer_distances,
3716 build_classic_dist_vector_1): New.
3717 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3718 Don't test for lambda_vector_lexico_pos.
3719 (same_access_functions, add_multivariate_self_dist,
3720 add_other_self_distances, dir_from_dist): New.
3721 (build_classic_dir_vector): Replace implementation almost identical to
3722 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3723 dir_from_dist.
3724 (subscript_dependence_tester_1): New.
3725 (subscript_dependence_tester): Handle the lexicographically negative
3726 distance vectors by recomputing the dependence relation.
3727 (compute_affine_dependence): Remove parameter loop_nest_depth.
3728 (compute_self_dependence): Don't call compute_subscript_distance.
3729 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3730 Add a parameter for the loop_nest.
3731 (find_loop_nest_1, find_loop_nest): New.
3732 (compute_data_dependences_for_loop): Compute the loop nest, and give
3733 up if the nest is not well formed.
3734 * tree-data-ref.h (loop_p): New.
3735 (struct data_dependence_relation): Replace size_vect field with
3736 loop_nest, a vec of loops.
3737 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3738 (DDR_LOOP_NEST): New.
3739 (print_dir_vectors, print_dist_vectors,
3740 debug_data_dependence_relation): Declared.
3741 (index_in_loop_nest): New.
3742 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3743 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3744 distance.
3746 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3748 * simplify-rtx.c (simplify_relational_operation): Call
3749 simplify_relational_operation_1 even if mode is VOIDmode.
3751 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3753 PR tree-optimization/26804
3754 * tree.h (DECL_CALL_CLOBBERED): New macro.
3755 (tree_decl_common): Add call_clobbered_flag.
3756 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3757 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3758 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3759 (mark_non_addressable): Ditto.
3760 * tree-ssa.c (verify_call_clobbered): New function.
3761 (verify_alias_info): Use it.
3762 * tree-pass.h (pass_reset_cc_flags): New prototype.
3763 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3764 (reset_cc_flags): New function.
3765 * passes.c (init_optimization_passes): Call reset_cc_flags after
3766 initializing referenced_vars.
3768 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3769 Roger Sayle <roger@eyesopen.com>
3771 PR middle-end/26717
3772 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3773 to 1.0 for non-real operands. Implement A / A optimization for
3774 complex operands.
3776 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3778 * config/i386/i386.c (size_cost): Correct the comment for
3779 cost of storing fp registers.
3780 (i386_cost): Likewise.
3781 (i486_cost): Likewise.
3782 (pentium_cost): Likewise.
3783 (pentiumpro_cost): Likewise.
3784 (k6_cost): Likewise.
3785 (athlon_cost): Likewise.
3786 (k8_cost): Likewise.
3787 (pentium4_cost): Likewise.
3788 (nocona_cost): Likewise.
3789 (generic64_cost): Likewise.
3790 (generic32_cost): Likewise.
3792 2006-03-24 Denis Chertykov <denisc@overta.ru>
3794 * config/avr/avr-protos.h (extra_constraint): Delete.
3795 (extra_constraint_Q): New declaration.
3796 * config/avr/constraints.md: New file.
3797 * config/avr/avr.md: Include it.
3798 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3799 (TMP_REGNO, ZERO_REGNO): Likewise.
3800 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3801 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3802 (extra_constraint): Delete.
3803 (extra_constraint_Q): Test for memory constraint 'Q'.
3804 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3805 (REG_CLASS_FROM_LETTER): Delete.
3806 (CONST_OK_FOR_LETTER_P): Delete.
3807 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3808 (EXTRA_CONSTRAINT): Delete.
3809 (TMP_REGNO): Delete.
3810 (ZERO_REGNO): Delete.
3812 2006-03-24 Jeff Law <law@redhat.com>
3814 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3815 directly. Call mark_new_vars_to_rename slightly earlier.
3817 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3819 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3820 (is_cxx): Likewise.
3821 (gen_compile_unit_die): Use new language types for Objective-C and
3822 Objective-C++.
3823 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3824 DW_LANG_C_plus_plus.
3826 PR 26793
3827 * config/t-darwin (crt3.o): Work around bug 26840.
3828 * config/darwin-crt3.c: Rewrite.
3829 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3831 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3833 * doc/invoke.texi: Document -femit-class-debug-always
3834 * common.opt: Add -femit-class-debug-always.
3836 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3838 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3839 index and base register.
3840 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3841 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3842 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3843 REGNO_OK_FOR_INDEX_P.
3844 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3845 ADDR_REGNO_P.
3846 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3847 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3848 REG_OK_FOR_BASE_P): Definitions removed.
3850 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3852 PR middle-end/26611
3853 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3854 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3855 set yet or weren't marked as local yet.
3857 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3859 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3860 the compiler.
3862 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3864 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3865 (rs6000_legitimate_small_data_p): Delete.
3866 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3867 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3868 and make static. Add forward declaration. Update uses.
3869 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3870 of offsettable_memref_p.
3871 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3872 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3874 2006-03-24 Jeff Law <law@redhat.com>
3876 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3877 around bug in immediate-use iterator.
3879 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3881 PR target/26607
3882 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3883 or __LITTLE_ENDIAN__.
3885 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3887 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3888 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3889 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3890 * config/sh/sh.opt (mdiv=): Amend description.
3891 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3892 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3893 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3894 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3895 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3896 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3897 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3898 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3899 TARGET_DIVIDE_CALL_FP.
3901 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3903 * haifa-sched.c (choose_ready): Fix type of the local variable.
3904 Move local variables. Add comment.
3905 (check_reg_live): Change signature. Make callable from debugger.
3906 * sched-int.h (check_reg_live): Update signature.
3907 * sched-ebb.c (check_reg_live): Update parameters.
3908 * sched-rgn.c (check_reg_live): Ditto.
3909 (region_head_or_leaf_p): Check pointer before dereferencing.
3910 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3911 before reload on optimization levels below 1.
3913 2006-03-23 Richard Henderson <rth@redhat.com>
3915 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3916 tls symbols.
3918 PR target/26347
3919 * config/alpha/predicates.md (local_symbolic_operand): Reject
3920 weak symbols.
3922 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3924 PR tree-opt/26795
3925 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3926 expressions which have overflowed constants.
3928 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3930 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3932 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3934 * cfgloopmanip.c (create_loop_notes): Removed.
3935 * final.c (final_scan_insn): Do not handle loop notes.
3936 * jump.c (squeeze_notes): Ditto.
3937 * cfglayout.c (skip_insns_after_block,
3938 duplicate_insn_chain): Ditto.
3939 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3940 create_loop_notes.
3941 * cfgloop.h (create_loop_notes): Declaration removed.
3943 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3945 * varasm.c (output_constant_pool): Restore fnname and fndecl
3946 arguments.
3947 (assemble_start_function): Adjust call accordingly.
3948 (assemble_end_function): Likewise.
3950 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3952 PR mudflap/26789
3953 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3955 PR mudflap/26790
3956 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3958 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3960 PR driver/22600
3961 * system.h (ICE_EXIT_CODE): New macro.
3962 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3963 (diagnostic_action_after_output): Likewise.
3964 * gcc.c (fatal_ice): New function.
3965 (execute): Use it instead of fatal.
3966 (fancy_abort): Likewise.
3967 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3969 2006-03-22 Jeff Law <law@redhat.com>
3971 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3972 iv_analyze_result returning false.
3974 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3976 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3978 2006-03-22 Richard Henderson <rth@redhat.com>
3980 PR middle-end/26084
3981 * except.c (duplicate_eh_regions_0): New.
3982 (duplicate_eh_region_1): Duplicate the children of the node as
3983 well as the node itself. Link them up properly.
3984 (duplicate_eh_region_2): Merge into ...
3985 (duplicate_eh_regions): ... here. Take copy_region argument, and
3986 copy only a sub-tree if asked. Simplify copying and fixup.
3987 (eh_region_outer_p): New.
3988 * except.h (duplicate_eh_regions): Update decl.
3989 (eh_region_outer_p): Declare.
3990 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3991 (lower_omp_master): Likewise.
3992 (lower_omp_ordered): Likewise.
3993 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3994 (move_stmt_r): Use it to remap labels. Handle recursion vs
3995 remap_decls_p properly.
3996 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3997 (find_outermost_region_in_block): New.
3998 (new_label_mapper): New.
3999 (move_sese_region_to_fn): Copy eh information to the new function
4000 properly.
4001 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4002 argument.
4003 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4004 number.
4006 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4008 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4009 into shared libraries.
4011 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4013 * doc/md.texi: Refer to i386/constraints.md instead of
4014 i386/predicates.md.
4015 * config/i386/constraints.md: New file, extracted from...
4016 * config/i386/predicates.md: ...here.
4017 * config/i386/i386.md: Include constraints.md.
4019 2006-03-21 Jason Merrill <jason@redhat.com>
4021 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4023 PR middle-end/20297
4024 * expr.c (init_block_move_fn): Force default visibility.
4025 (init_block_clear_fn): Likewise.
4026 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4027 * targhooks.c (default_external_stack_protect_fail): Likewise.
4029 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4031 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4032 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4033 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4034 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4035 (loadgp): Use mips_current_loadgp_style.
4036 (loadgp_noshared): New pattern.
4037 (sibcall_internal): Use MIPS_CALL.
4038 (sibcall_value_internal): Likewise.
4039 (sibcall_value_multiple_internal): Likewise.
4040 (call_internal): Likewise.
4041 (call_value_internal): Likewise.
4042 (call_value_multiple_internal): Likewise.
4043 (call_split): Use MIPS_CALL and add an 'S' constraint.
4044 (call_value_split): Likewise.
4045 (call_value_multiple_split): Likewise.
4046 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4047 (-mshared): New option.
4048 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4049 (mips_current_loadgp_style): Declare.
4050 * config/mips/mips.c (mips_classify_symbol): Avoid using
4051 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4052 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4053 TARGET_ABSOLUTE_ABICALLS.
4054 (override_options): Adjust comments. Improve the warning that is
4055 issued when -mabicalls and -G are used together.
4056 (mips_file_start): Remove comment.
4057 (mips_current_loadgp_style): New function.
4058 (mips_gnu_local_gp): New variable.
4059 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4060 LOADGP_ABSOLUTE.
4061 (mips_output_function_prologue): Use mips_current_laodgp_style.
4062 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4063 the cprestore instruction.
4064 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4065 live for TARGET_ABSOLUTE_ABICALLS.
4066 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4067 (ASM_SPEC): Pass down -mshared and -mno-shared.
4068 (MIPS_CALL): New macro.
4069 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4070 definition.
4071 * doc/invoke.texi (-mabicalls): Update documentation.
4072 (-mshared): Document.
4074 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4076 * config/ia64/unwind-hpux.c: New file.
4077 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4079 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4081 PR libgomp/26384
4082 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4084 2006-03-21 Jeff Law <law@redhat.com>
4086 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4087 type conversions of a VR_VARYING source to a wider type.
4089 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4091 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4092 tm_file on Solaris 10 and later.
4093 (sparc64-*-solaris2*): Likewise.
4094 (sparc-*-solaris2*): Likewise.
4095 * config/sol26.h: Rename to config/sol2-6.h.
4096 * config/sol2-10.h: New file.
4098 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4100 PR tree-opt/26781
4101 * tree-ssa-pre.c (create_component_ref_by_pieces):
4102 Handle STRING_CST.
4104 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4106 PR c++/26690
4107 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4108 return it immediately.
4110 2006-03-21 Michael Matz <matz@suse.de>
4112 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4113 New members.
4114 (remove_arc, add_arc): Update num_out_arcs member.
4115 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4116 of out arcs.
4117 (cache_presence): New function.
4118 (compare_states_for_equiv): New function.
4119 (state_is_differed): Don't take number of outargs, adjust callers.
4120 Use new invariant for speeding up.
4121 (init_equiv_class): Create initial classes based on sorted
4122 input.
4123 (partition_equiv_class): Don't track out_arcs_num.
4124 (evaluate_equiv_classes): Call cache_presence on all states and
4125 sort them.
4127 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4129 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4130 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4131 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4132 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4133 callers changed.
4134 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4135 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4136 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4137 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4138 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4139 macros.
4140 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4141 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4142 (REGNO_REG_CLASS): ARGP is in PREGS.
4143 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4144 IREGS.
4145 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4146 to deal with those addresses.
4147 * addresses.h: New file.
4148 * caller-save.c: Include "addresses.h".
4149 (init_caller_save): Use new base_reg_class function.
4150 * rtl-factoring.c: Include "addresses.h".
4151 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4152 * recog.c: Include "addresses.h".
4153 (preprocess_constraints): Use new base_reg_class function.
4154 * regrename.c: Include "addresses.h".
4155 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4156 functions. Keep track of a new var INDEX_CODE to compute valid
4157 classes.
4158 (replace_oldest_value_addr): Likewise.
4159 (replace_oldest_value_mem): Use base_reg_class.
4160 * reload.c: Include "addresses.h".
4161 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4162 (find_reloads): Use new base_reg_class function.
4163 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4164 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4165 all callers and prototype changed.
4166 * reload1.c: Include "addresses.h".
4167 (maybe_fix_stack_asms): Use base_reg_class.
4168 * regclass.c: Include "addresses.h".
4169 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4170 (init_reg_autoinc): Use new base_reg_class function.
4171 (record_reg_classes): Likewise.
4172 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4173 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4174 Use new args to compute necessary class.
4176 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4177 regrename.o, rtl-factoring.o): Update dependencies.
4178 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4179 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4180 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4181 REG_OK_FOR_INDEX_P): Delete documentation.
4183 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4185 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4186 from V7 to V9 for Solaris 7 and above.
4188 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4190 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4191 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4192 argument pointers may not alias any other storage.
4193 * common.opt: Define option -fargument-noalias-anything.
4194 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4195 alias semantics is specified by flag_argument_noalias > 2.
4197 2006-03-20 Jeff Law <law@redhat.com>
4199 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4200 (pass_phi_only_cprop): Declare.
4201 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4202 with phi_only_cprop
4203 * tree-ssa-dom.c (degenerate_phi_result): New function.
4204 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4205 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4206 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4207 (eliminate_degenerate_phis): Likewise.
4208 (pass_phi_only_cprop): New pass descriptor.
4209 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4210 support code. Callers updated.
4211 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4212 (store_copy_prop): Likewise.
4213 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4215 2006-03-20 Jason Merrill <jason@redhat.com>
4217 PR c++/21764
4218 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4219 (push_visibility, pop_visibility): Likewise.
4220 * c-pragma.h: Declare them.
4222 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4224 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4226 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4227 parameter and use get_ebb_head_tail.
4228 (sh_md_init_global): Adjust uses of find_regmode_weight.
4230 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4232 * function.h (struct function) <x_tail_recursion_reentry>:
4233 Rename to x_stack_check_probe_note.
4234 (tail_recursion_reentry): Rename to stack_check_probe_note.
4235 * function.c: Replace tail_recursion_reentry with
4236 stack_check_probe_note everywhere.
4237 (expand_function_start): Only emit a note for
4238 stack_check_probe_note with -fstack-protect.
4239 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4241 * emit-rtl.c (remove_unnecessary_notes): Remove.
4242 (pass_remove_unnecessary_notes): Remove.
4243 * rtl.h (remove_unnecessary_notes): Remove prototype.
4244 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4245 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4246 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4248 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4250 PR tree-opt/26629
4251 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4252 (valid_in_set): Handle ARRAY_REF.
4253 Change "if min_variant or VH" to asserts.
4254 (create_component_ref_by_pieces): Handle ARRAY_REF.
4255 (create_expression_by_pieces): Likewise.
4256 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4258 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4260 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4261 is operand of switch, not str[0].
4263 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4265 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4266 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4268 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4270 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4271 end of insn_extra_address_constraint declaration.
4273 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4275 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4276 (no-sum-in-toc): Same.
4277 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4278 variables.
4279 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4280 NO_FP_IN_TOC for -fPIC instead of mask.
4282 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4283 (BOOT_LDFLAGS): Delete.
4284 (LDFLAGS): Delete.
4285 * config/rs6000/t-aix52: Same.
4287 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4288 (stmsi[345678]_power): New.
4290 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4292 * config/ia64/ia64.opt: Add empty line to end of file.
4294 2006-03-17 Richard Guenther <rguenther@suse.de>
4296 PR middle-end/26721
4297 * builtins.c (get_pointer_alignment): For component style references
4298 adjust alignment to the component type alignment. Make sure
4299 to adjust alignment for component access of constants.
4301 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4303 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4304 unconditional jump.
4306 2006-03-17 Paul Brook <paul@codesourcery.com>
4308 * doc/install.texi: Docuemnt --with-mode.
4309 * config.gcc: Add --with-mode for arm*-*-*.
4310 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4312 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4314 * sh.c (max_labelno_before_reorg): New variable.
4315 (sh_reorg): Initialize it.
4316 (find_barrier): Check max_labelno_before_reorg before using
4317 label_to_alignment. Take length of explicit alignment insns
4318 into account. When seeing a UNSPECV_CONST_END, return it.
4320 * sh.c (fixup_mova): Set mode of affected label to QImode.
4321 (untangle_mova): New function.
4322 (find_barrier): Use it. Check mode of label before decrementing
4323 num_mova.
4324 (sh_reorg): Likewise.
4325 Set mode of all insns back to VOIDmode.
4327 * sh.c (MOVA_LABELREF): New macro.
4328 (mova_p, fixup_mova, sh_reorg): Use it.
4329 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4330 ADDR_DIFF_VEC matches mova.
4332 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4334 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4335 with ATTRIBUTE_UNUSED.
4337 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4339 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4340 pointer, instead of assuming it is possible to derive the
4341 correct args size from a call insn.
4343 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4345 * rtl.h (CONST_INT_P): Define.
4346 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4347 instead of GET_CODE(x) == CONST_INT.
4348 (vax_rtx_costs): Likewise.
4349 (vax_output_int_move): Likewise.
4350 (vax_output_int_add): Likewise.
4351 (legitimate_constant_address_p): Likewise.
4352 (index_term_p): Likewise.
4353 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4354 * config/vax/vax.md (and<mode>3): Likewise.
4355 (ashrsi3): Likewise.
4356 (extv): Likewise.
4357 (movstricthi): Likewise.
4358 (movstrictqi): Likewise.
4359 (rotrsi3): Likewise.
4360 (five unnamed insns): Likewise.
4362 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4364 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4365 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4366 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4367 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4368 Pass to ASM_OUTPUT_DWARF_OFFSET.
4369 * dwarf2out.c (debug_frame_section): New.
4370 (output_call_frame_info): Use debug_frame_section. Pass it to
4371 dw2_asm_output_offset.
4372 (output_die): Pass appropriate section to dw2_asm_output_offset.
4373 (output_compilation_unit_header): Likewise.
4374 (output_pubnames): Likewise.
4375 (output_aranges): Likewise.
4376 (enum dw_val_class): Break dw_val_class_lbl_offset into
4377 dw_val_class_lineptr and dw_val_class_macptr.
4378 (add_AT_lbl_offset): Delete.
4379 (add_AT_lineptr): New.
4380 (add_AT_macptr): New.
4381 (AT_lbl): Expect a lineptr or macptr.
4382 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4383 (attr_checksum): Likewise.
4384 (same_dw_val_p): Likewise.
4385 (size_of_die): Likewise.
4386 (value_format): Likewise.
4387 (output_die): Likewise.
4388 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4389 add_AT_lbl_offset.
4390 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4391 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4392 * config/darwin-protos.h (darwin_file_start): New.
4393 (darwin_asm_output_dwarf_offset): New.
4394 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4395 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4396 darwin_file_start.
4397 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4398 if not EH section; simplify.
4399 (darwin_file_start): New.
4400 (darwin_asm_output_dwarf_offset): New.
4401 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4402 mark as 'debug'.
4403 (DEBUG_INFO_SECTION): Likewise.
4404 (DEBUG_ABBREV_SECTION): Likewise.
4405 (DEBUG_ARANGES_SECTION): Likewise.
4406 (DEBUG_MACINFO_SECTION): Likewise.
4407 (DEBUG_LINE_SECTION): Likewise.
4408 (DEBUG_LOC_SECTION): Likewise.
4409 (DEBUG_PUBNAMES_SECTION): Likewise.
4410 (DEBUG_STR_SECTION): Likewise.
4411 (DEBUG_RANGES_SECTION): Likewise.
4412 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4413 (ASM_OUTPUT_DWARF_OFFSET): New.
4415 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4417 * config.gcc (tm_defines): Always add to previous value rather
4418 than replacing it.
4420 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4422 * config/mips/predicates.md (splittable_const_int_operand): New,
4423 split from move_operand.
4424 (splittable_symbolic_operand): New.
4425 (move_operand): Add commentary. Use splittable_const_int_operand.
4426 Inline mips_atomic_symbolic_constant_p.
4427 * config/mips/mips.md: Add combine splitters for handling moves
4428 of splittable_const_int_operands and splittable_symbolic_operands.
4429 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4430 (mips_split_symbol): Declare.
4431 (mips_move_integer): Declare.
4432 * config/mips/mips.c (mips_split_p): Make global.
4433 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4434 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4435 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4436 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4437 (mips_offset_within_object_p): Handle block symbols.
4438 (mips_atomic_symbolic_constant_p): Delete.
4439 (mips_cannot_force_const_mem): Return false for constants that
4440 mips_legitimize_move can handle.
4441 (mips_use_blocks_for_constant_p): New function.
4442 (mips_split_symbol): Make global.
4443 (mips_move_integer): Likewise. Add a temporary register argument.
4444 (mips_legitimize_const_move): Use splittable_const_int_operand and
4445 splittable_symbolic_operand.
4446 (mips_use_anchors_for_symbol_p): New function.
4447 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4448 (mips_split_p): Declare.
4450 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4452 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4453 (mips*-*-linux*): Likewise.
4455 2006-03-16 Roger Sayle <roger@eyesopen.com>
4456 Daniel Speyer <dspeyer@wam.umd.edu>
4458 PR middle-end/18259
4459 * tree-dump.c (dump_real): New function.
4460 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4461 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4462 (tree-dump.o): Add $(REAL_H) to the dependencies.
4464 2006-03-16 Roger Sayle <roger@eyesopen.com>
4466 PR middle-end/21781
4467 * real.c (real_from_string): If the mantissa is zero, don't bother
4468 parsing the exponent as the result should always be zero.
4470 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4472 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4474 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4476 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4477 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4478 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4479 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4480 ia64_sched_finish_global): New static functions to implement
4481 hooks from gcc_target.sched.
4482 (spec_check_no, max_uid, pending_data_specs): New static variables.
4483 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4484 ia64_spec_check_src_p): New static functions.
4485 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4486 (TARGET_SCHED_ADJUST_COST): Removed.
4487 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4488 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4489 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4490 TARGET_SCHED_GEN_CHECK,
4491 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4492 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4493 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4494 Fixed to handle speculation checks.
4495 (rtx_needs_barrier): Fixed to handle speculative loads and
4496 their checks.
4497 (ia64_variable_issue): Added code to count speculative loads and their
4498 checks.
4499 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4500 speculative loads.
4501 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4502 New enumerations.
4503 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4504 New constants.
4505 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4506 (ia64_reorg): Reset stops_p to NULL after it is freed.
4507 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4508 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4509 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4510 chk_a.
4511 (data_speculative, control_speculative, check_load): New attributes.
4512 (mov<mode>_advanced, mov<mode>_speculative,
4513 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4514 zero_extend<mode>di2_speculative,
4515 zero_extend<mode>di2_speculative_advanced): New patterns for
4516 data and control speculative loads.
4517 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4518 check loads.
4519 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4520 New pattern for data and control speculation checks.
4521 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4522 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4523 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4524 Auxiliary definitions for the patterns.
4525 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4526 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4527 constraints.
4528 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4529 for speculation.
4530 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4531 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4532 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4533 New resource constraints.
4534 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4535 for speculation.
4536 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4537 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4538 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4539 msched-in-control-spec, msched-ldc, msched-control-ldc,
4540 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4541 msched-prefer-non-control-spec-insns,
4542 msched-count-spec-in-critical-path): New flags to tune speculative
4543 scheduling.
4544 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4545 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4546 msched-in-control-spec, msched-ldc, msched-control-ldc,
4547 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4548 msched-prefer-non-control-spec-insns,
4549 msched-count-spec-in-critical-path): Document new flags.
4551 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4553 * target.h (struct spec_info_def): New opaque declaration.
4554 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4555 speculate_insn, needs_block_p, gen_check,
4556 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4557 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4558 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4559 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4560 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4561 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4562 gcc_target.sched.
4563 (TARGET_SCHED): Use new macros.
4564 * rtl.h (copy_DEPS_LIST_list): New prototype.
4565 * sched-int.h (struct sched_info): Change signature of new_ready field,
4566 adjust all initializations. New fields: add_remove_insn,
4567 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4568 region_head_or_leaf_p.
4569 (struct spec_info_def): New structure declaration.
4570 (spec_info_t): New typedef.
4571 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4572 recovery_block, orig_pat.
4573 (glat_start, glat_end): New variables declaraions.
4574 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4575 New access macros.
4576 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4577 DETACH_LIFE_INFO, USE_GLAT.
4578 (enum SPEC_SCHED_FLAGS): New enumeration.
4579 (NOTE_NOTE_BB_P): New macro.
4580 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4581 attach_life_info, debug_spec_status, check_reg_live): New functions.
4582 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4583 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4584 sched-ebb.c
4585 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4586 * ddg.c (get_block_head_tail): Adjust all uses.
4587 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4588 (sms_sched_info): Initialize new fields.
4589 (contributes_to_priority): Removed.
4590 * haifa-sched.c (params.h): New include.
4591 (get_block_head_tail): Adjust all uses.
4592 (ISSUE_POINTS): New macro.
4593 (glat_start, glat_end): New global variables.
4594 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4595 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4596 old_last_basic_block, before_recovery, current_sched_info_var,
4597 rgn_n_insns, luid): New static variables.
4598 (insn_cost1): New function. Move logic from insn_cost to here.
4599 (find_insn_reg_weight1): New function. Move logic from
4600 find_insn_reg_weight to here.
4601 (reemit_notes, move_insn, max_issue): Change signature.
4602 (move_insn1): Removed.
4603 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4604 extend_bb): New static functions to support extension of scheduler's
4605 data structures.
4606 (generate_recovery_code, process_insn_depend_be_in_spec,
4607 begin_speculative_block, add_to_speculative_block,
4608 init_before_recovery, create_recovery_block, create_check_block_twin,
4609 fix_recovery_deps): New static functions to support
4610 generation of recovery code.
4611 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4612 restore_bb_notes, move_block_after_check, move_succs): New static
4613 functions to support ebb scheduling.
4614 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4615 functions to support handling of register live information.
4616 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4617 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4618 add_jump_dependencies): New static functions.
4619 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4620 consistancy checking.
4621 (debug_spec_status): New function to call from debugger.
4622 (priority): Added code to handle speculation checks.
4623 (rank_for_schedule): Added code to distinguish speculative instructions.
4624 (schedule_insn): Added code to handle speculation checks.
4625 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4626 Fixed to handle ebbs.
4627 (move_insn): Added code to handle ebb scheduling.
4628 (max_issue): Added code to use ISSUE_POINTS of instructions.
4629 (choose_ready): Added code to choose between speculative and
4630 non-speculative instructions.
4631 (schedule_block): Added code to handle ebb scheduling and scheduling of
4632 speculative instructions.
4633 (sched_init): Initialize new variables.
4634 (sched_finish): Free new variables. Print statistics.
4635 (try_ready): Added code to handle speculative instructions.
4636 * lists.c (copy_DEPS_LIST_list): New function.
4637 * sched-deps.c (extend_dependency_caches): New function. Move logic
4638 from create_dependency_caches to here.
4639 (get_dep_weak, ds_merge): Make global.
4640 * genattr.c (main): Code to output prototype for
4641 dfa_clear_single_insn_cache.
4642 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4643 (output_dfa_clean_insn_cache_func): Code to output
4644 dfa_clear_single_insn_cache function.
4645 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4646 n_insns.
4647 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4648 Removed.
4649 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4650 New static variables.
4651 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4652 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4653 struct sched_info.
4654 (ebb_sched_info): Initialize new fields.
4655 (get_block_head_tail): Adjust all uses.
4656 (compute_jump_reg_dependencies): Fixed to use glat_start.
4657 (schedule_ebb): Code to remove unreachable last block.
4658 (schedule_ebbs): Added code to update register live information.
4659 * sched-rgn.c (region_sched_info): Initialize new fields.
4660 (get_block_head_tail): Adjust all uses.
4661 (last_was_jump): Removed. Adjust users.
4662 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4663 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4664 Implement new hooks.
4665 (check_dead_notes1): New static function.
4666 (struct region): New fields: dont_calc_deps, has_real_ebb.
4667 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4668 (BB_TO_BLOCK): Fixed to handle EBBs.
4669 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4670 (ebb_head): New static variable.
4671 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4672 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4673 new fields.
4674 (compute_dom_prob_ps): New assertion.
4675 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4676 global_live_at_start.
4677 (init_ready_list): New assertions.
4678 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4679 (new_ready): Add support for BEGIN_CONTROL speculation.
4680 (schedule_insns): Fixed code that updates register live information
4681 to handle EBBs.
4682 (schedule_region): Fixed to handle EBBs.
4683 (init_regions): Use extend_regions and check_dead_notes1.
4684 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4685 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4686 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4687 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4688 TARGET_SCHED_GEN_CHECK,
4689 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4690 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4691 * doc/invoke.texi (max-sched-insn-conflict-delay,
4692 sched-spec-prob-cutoff): Document.
4694 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4696 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4697 inter_tick, queue_index.
4698 (struct sched_info): Change signature of init_ready_list field.
4699 Adjust all initializations.
4700 (RESOLVED_DEPS): New access macro.
4701 (ready_add): Remove prototype.
4702 (try_ready): Add prototype.
4703 * sched-rgn.c (init_ready_list): Use try_ready.
4704 (schedule_region): Initialize
4705 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4706 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4707 (init_ready_list): Use try_ready.
4708 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4709 * lists.c (remove_list_elem): Remove `static'.
4710 (remove_free_INSN_LIST_elem): New function.
4711 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4712 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4713 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4714 New constants.
4715 (readyp): New variable.
4716 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4717 change_queue_index, resolve_dep): New static functions.
4718 (try_ready): New function. Adjust callers in sched-rgn.c and
4719 sched-ebb.c to use it instead of ready_add.
4720 (clock_var): Move at the begining of file.
4721 (rank_for_schedule): Fix typo.
4722 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4723 (ready_lastpos): Enforce assertion.
4724 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4725 update all callers.
4726 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4727 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4728 (queue_to_ready): Use free_INSN_LIST_list.
4729 (early_queue_to_ready): Fix typo.
4730 (schedule_block): Init readyp. Move init_ready_list call after the
4731 initialization of clock_var. Fix error in rejecting insn by
4732 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4733 that previously corrected INSN_TICKs. Add code for handling
4734 QUEUE_INDEX.
4735 (set_priorities): Fix typo.
4736 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4737 Clarify comment and code that keeps current_sched_info->next_tail
4738 non-null.
4740 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4742 * sched-rgn.c (extend_rgns): New static function.
4743 (find_rgns): Use it.
4744 (gather_region_statistics, print_region_statistics): New static
4745 functions.
4746 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4747 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4749 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4750 Andrey Belevantsev <abel@ispras.ru>
4752 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4753 * lists.c (unused_deps_list): New variable.
4754 (free_list): Add assertions to verify the proper distinguishing
4755 between INSN_LISTs and DEPS_LISTs.
4756 (find_list_elem, remove_list_elem, remove_list_node): New static
4757 functions.
4758 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4759 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4760 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4761 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4762 an INSN_LIST.
4763 (free_INSN_LIST_node): Likewise.
4764 * modulo-sched.c (current_sched_info): Initialize flags field.
4765 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4766 * rtl.def (DEPS_LIST): Define.
4767 * rtl.h: Declare new functions from lists.c.
4768 * sched-deps.c (spec_dependency_cache): New static variable.
4769 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4770 (add_dependence): Change return type to void. Move the logic to ...
4771 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4772 (delete_all_dependences): Add comment about forward_dependency_cache.
4773 Handle spec_dependency_cache. Handle DEPS_LISTs.
4774 (fixup_sched_groups): Clarify the change of priority of output
4775 and anti dependencies.
4776 (sched_analyze_2): Adjust add_dependence calls to create data
4777 speculative dependence.
4778 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4779 Adjust all callers. Handle DEPS_LISTS.
4780 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4781 presence of speculation.
4782 (init_dependency_caches, free_dependency_caches):
4783 Handle spec_dependency_cache.
4784 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4785 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4786 New static functions.
4787 (add_or_update_back_dep, add_or_update_back_forw_dep,
4788 add_back_forw_dep, delete_back_forw_dep): New functions.
4789 * sched-int.h (ds_t, dw_t): New typedefs.
4790 (struct sched_info): Add new field flags.
4791 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4792 Prototype new sched-deps.c functions.
4793 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4794 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4795 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4796 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4797 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4798 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4799 New constants.
4800 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4801 New enums.
4802 * sched-rgn.c (current_sched_info): Initialize flags field.
4803 (schedule_insns): Initialize current_sched_info before the sched_init
4804 call.
4805 * sched-ebb.c (current_sched_info): Initialize flags field.
4806 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4807 Call add_or_update_back_dep instead of add_dependence.
4808 Create control speculative dependencies.
4809 (schedule_insns): Initialize current_sched_info before the sched_init
4810 call.
4812 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4814 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4815 fs->signal_frame.
4816 (sh_fallback_frame_state): Likewise.
4818 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4820 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4821 Do switch on default_use_cxa_atexit.
4822 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4823 * config/darwin-crt3.o: New.
4824 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4825 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4826 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4827 OS version.
4828 * config/rs6000/t-darwin: Move crt2.o building to here.
4829 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4830 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4831 of __cxa_atexit.
4833 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4835 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4836 from '! xxx' to '!xxx' for coding-style conformance.
4837 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4838 (EXTRA_CONSTRAINT): Likewise.
4839 * config/vax/vax.md (four unnamed insns): Likewise.
4841 2006-03-15 Paul Brook <paul@codesourcery.com>
4843 * config/arm/arm.c (minipool_pad): New.
4844 (add_minipool_forward_ref): Include pool alignment padding in address
4845 calculation.
4846 (push_minipool_fix): Set minipool_pad.
4847 (minipool_pad): Ditto.
4849 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4851 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4852 instead of GET_CODE() == MEM and REG_P() instead of
4853 GET_CODE() == REG.
4854 (print_operand_address): Likewise.
4855 (vax_address_cost): Likewise.
4856 (vax_rtx_costs): Likewise.
4857 (vax_notice_update_cc): Likewise.
4858 (vax_output_int_add): Likewise.
4859 (INDEX_REGISTER_P): Likewise.
4860 (BASE_REGISTER_P): Likewise.
4861 (nonindexed_address_p): Likewise.
4862 (vax_mode_dependent_address_p): Likewise.
4863 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4864 (PRINT_OPERAND): Likewise.
4865 * config/vax/vax.md (ashlsi3): Likewise.
4866 (ashlsi3): Likewise.
4867 (some more unnamed insns): Likewise.
4869 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4871 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4872 iterator-style macro.
4873 (mark_control_dependent_edges_necessary): Update the use of
4874 EXECUTE_IF_CONTROL_DEPENDENT.
4876 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4878 * config/sh/predicates.md (cache_address_operand): Special.
4879 (ua_address_operand): Likewise.
4881 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4883 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4884 loop notes.
4885 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4887 2006-03-15 Andreas Schwab <schwab@suse.de>
4889 * gensupport.c (identify_predicable_attribute): Don't free p_false
4890 when it is still in use.
4892 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4894 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4895 the default setting here.
4897 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4899 * tree-pass.h (pass_cfg): Remove.
4900 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4901 * passes.c (pass_cfg): Don't run it.
4903 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4905 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4906 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4907 VEC(char,heap) *.
4908 (stack_regs_mentioned): Update the uses of
4909 stack_regs_mentioned_data. Don't access the array beyond its
4910 end.
4911 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4912 Don't include gt-reg-stack.h.
4914 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4915 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4917 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4919 PR middle-end/26684
4920 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4921 STACK_REGS.
4923 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4925 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4927 2006-03-14 Richard Guenther <rguenther@suse.de>
4929 PR tree-optimization/26672
4930 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4931 SSA form.
4933 2006-03-14 Richard Guenther <rguenther@suse.de>
4935 PR tree-optimization/26667
4936 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4937 node for the callees. Always allow inlining if it will shrink
4938 the function size.
4940 2006-03-14 Richard Guenther <rguenther@suse.de>
4942 PR middle-end/26659
4943 * builtins.c (get_pointer_alignment): Prefer alignment
4944 information from decls over that from types.
4946 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4948 PR target/26657
4949 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4951 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4953 * config/rs6000/rs6000.opt (mdlmzb): New option.
4954 (msched-prolog, msched-epilog): Use Var not Mask.
4955 * doc/invoke.texi (-mdlmzb): Document.
4956 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4957 MASK_SCHED_PROLOG.
4958 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4959 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4961 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4963 PR rtl-optimization/25739
4964 * bt-load.c (augment_live_range): Free tos pointer.
4966 * gensupport.c (identify_predicable_attribute): Free
4967 p_false pointer.
4968 * gcov.c (create_file_names): Free name pointer.
4970 2006-03-13 Roger Sayle <roger@eyesopen.com>
4972 PR middle-end/26557
4973 * stmt.c (emit_case_nodes): Handle the case where the index is a
4974 CONST_INT, where the comparison mode is specified by the index type.
4976 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4978 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4979 is defined.
4981 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4983 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4984 (*branch_fp_inverted): Likewise.
4986 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4988 PR middle-end/25989
4989 * omp-low.c (expand_omp_for_generic): Mark istart0
4990 and iend0 as addressable.
4992 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4994 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4996 2006-03-13 Jeff Law <law@redhat.com>
4998 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4999 virtual operands are interesting.
5000 (vrp_visit_stmt): Corresponding changes.
5002 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5004 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5005 of RETS.
5006 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5007 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5008 * config/bfin/crti.S: Use it instead of __PIC__.
5009 * config/bfin/crtn.S: Likewise.
5011 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5012 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5013 not if flag_pic.
5014 Lose 'G' modifier for call operand.
5015 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5016 recognize 'G' modifier.
5018 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5020 PR middle-end/18859
5021 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5022 * stmt.c (expand_case): Likewise.
5024 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5026 PR rtl-optimization/26254
5027 * loop-invariant.c (seq_insns_valid_p): New function.
5028 (move_invariant_reg): Only emit new code if it is valid.
5030 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5032 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5033 Removed.
5034 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5035 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5036 (commit_one_edge_insertion): Do not look for loop notes.
5038 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5040 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5041 flag_test_coverage out of loop.
5043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5045 * final.c (shorten_branches): Remove outdated comment, and turn
5046 the if branch that guards it to continue.
5048 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5050 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5051 * cfgloop.h (struct loop): Remove unused fields.
5053 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5055 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5056 (-dL, -fdump-rtl-loop2): Update the dump file names
5058 * doc/invoke.texi: Update dump file names.
5060 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5062 * predict.c (estimate_probability): Remove.
5063 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5064 * basic-block.h (estimate_probability): Remove prototype.
5065 * passes.c (finish_optimization_passes): Dump branch prediction or
5066 profiling heuristics to the .profile tree dump.
5067 (init_optimization_passes): Unqueue pass_branch_prob.
5069 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5071 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5073 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5074 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5076 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5078 * function.h (frame_offset_overflow): Declare.
5079 * function.c (frame_offset_overflow): New function.
5080 (assign_stack_local_1): Call it to detect that the offset overflows.
5081 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5083 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5085 * config/sh/sh.c: Include alloc-pool.h.
5086 (label_ref_list_pool): New alloc pool.
5087 (label_ref_list_t): New type for lists of labels.
5088 (struct pool_node): Make wend a label_ref_list_t.
5089 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5090 references.
5091 (dump_table): Likewise.
5092 (sh_reorg): Set up the alloc pool before using add_constant and
5093 dump_table, and destroy it when finishing.
5095 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5097 * config/mips/mips.c: Remove redundant comment.
5099 2006-03-10 Jason Merrill <jason@redhat.com>
5101 PR c/26004
5102 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5103 the target was declared 'register'.
5105 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5107 * genpreds.c (write_insn_constraint_len): Change definition of
5108 insn_constraint_len to return size_t to match the declaration.
5110 2006-03-10 DJ Delorie <dj@redhat.com>
5112 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5113 start at zero.
5114 (m32c_expand_insv): Fix test for an AND mask.
5116 2006-03-10 Richard Guenther <rguenther@suse.de>
5118 PR middle-end/26565
5119 * builtins.c (get_pointer_alignment): Handle component
5120 references for field alignment.
5122 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5124 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5125 when building with libgloss.
5126 (sh*elf): Implement --without-fp option.
5127 (sh64-superh-linux*): Don't multilib.
5129 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5131 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5133 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5135 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5136 Set it when one of the replacement functions returned true.
5137 Return TODO_cleanup_cfg if cfgchanged is true.
5138 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5140 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5142 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5143 instead of gen_lowpart.
5145 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5147 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5148 interface.
5149 (mips_output_order_conditional_branch): Declare.
5150 * config/mips/mips.h (MIPS_BRANCH): New macro.
5151 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5152 for the comparison. Use gen_condjump.
5153 (mips_output_conditional_branch): Rework interface to take the
5154 asm templates for a direct branch and the inverse of a direct branch.
5155 (mips_output_order_conditional_branch): New function.
5156 (mips_builtin_branch_and_move): New function.
5157 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5158 branch condition. Use gen_single_cc as the condition for
5159 __builtin_mips_upper_* or __builtin_mips_lower_*.
5160 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5161 Use VOIDmode for the branch condition.
5162 * config/mips/predicates.md (order_operator): New predicate.
5163 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5164 (branch_fp): Rename to...
5165 (*branch_fp): ...this. Remove mode from comparison operator.
5166 Use new mips_output_conditional_branch interface.
5167 (branch_fp_inverted): Rename to...
5168 (*branch_fp_inverted): ...this and update as for *branch_fp.
5169 (*branch_zero<mode>): Rename to...
5170 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5171 Use mips_output_order_conditional_branch. Only accept ordered
5172 comparisons.
5173 (*branch_zero<mode>_inverted): Rename to...
5174 (*branch_order<mode>_inverted): ...this and update as for
5175 *branch_order<mode>.
5176 (*branch_equality<mode>): Accept zero as the second operand to
5177 the equality operator. Use the new mips_output_conditional_branch
5178 interface.
5179 (*branch_equality<mode>_inverted): Likewise.
5180 (condjump): New expander.
5181 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5182 operator.
5183 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5184 (bc1any2t, bc1any2f): Likewise.
5185 (single_cc): New expander.
5186 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5188 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5190 * doc/md.texi: Update documentation of MIPS constraints.
5191 * config/mips/constraints.md: New file.
5192 * config/mips/mips.md: Include it.
5193 * config/mips/mips.c (mips_char_to_class): Delete.
5194 (override_options): Don't initialize mips_char_to_class.
5195 * config/mips/mips.h (mips_char_to_class): Delete.
5196 (REG_CLASS_FROM_LETTER): Delete.
5197 (CONST_OK_FOR_LETTER_P): Delete.
5198 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5199 (EXTRA_CONSTRAINT_Y): Delete.
5200 (EXTRA_CONSTRAINT_STR): Delete.
5201 (CONSTRAINT_LEN): Delete.
5202 (EXTRA_MEMORY_CONSTRAINT): Delete.
5204 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5206 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5207 original fn's eh regions.
5209 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5211 * fold-const.c (build_range_check): Make sure to use a valid type to
5212 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5213 transformation.
5215 (range_predecessor): New static function.
5216 (range_successor): Likewise.
5217 (merge_ranges): Use them to compute predecessors and successors of
5218 range bounds.
5220 2006-03-09 Roger Sayle <roger@eyesopen.com>
5222 PR middle-end/26561
5223 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5224 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5226 2006-03-08 DJ Delorie <dj@redhat.com>
5228 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5229 (addpsi3): Expand to include memory operands. Remove
5230 reload-specific splits.
5231 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5232 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5233 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5234 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5235 (shift1_qi, shift1_hi, insv): New.
5236 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5237 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5238 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5239 cond_to_int): New.
5240 * config/m32c/m32c-protos.h: Update as needed.
5241 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5242 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5243 Fail for unrecognized R* constraints.
5244 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5245 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5246 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5247 Add Sp constraint.
5248 (m32c_init_libfuncs): New.
5249 (m32c_legitimate_address_p): Add debug wrapper.
5250 (m32c_rtx_costs): New.
5251 (m32c_address_cost): New.
5252 (conversions): Add 'B' prefix.
5253 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5254 operands, or word regnames for QI operands. 'B' prints bit
5255 position.
5256 (m32c_expand_setmemhi): New.
5257 (m32c_expand_movmemhi): New.
5258 (m32c_expand_movstr): New.
5259 (m32c_expand_cmpstr): New.
5260 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5261 (m32c_expand_neg_mulpsi3): Handle non-ints.
5262 (m32c_cmp_flg_0): New.
5263 (m32c_expand_movcc): New.
5264 (m32c_expand_insv): New.
5265 (m32c_scc_pattern): New.
5266 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5267 a0/a1 out of SIregs.
5268 (STORE_FLAG_VALUE): New.
5269 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5270 code macros.
5271 (no_insn): New.
5272 * config/m32c/mov.md: Make constraints more liberal.
5273 (zero_extendqihi2): Optimize r0/r1 case.
5274 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5275 * config/m32c/predicates.md (m32c_any_operand): New.
5276 (m32c_nonimmediate_operand): New.
5277 (m32c_hl_operand): New.
5278 (m32c_r3_operand): New.
5279 (ap_operand): New.
5280 (ma_operand): New.
5281 (memsym_operand): New.
5282 (memimmed_operand): New.
5283 (a_qi_operand): New.
5284 (m32c_eqne_operator): New.
5285 (m32c_1bit8_operand): New.
5286 (m32c_1bit16_operand): New.
5287 (m32c_1mask8_operand): New.
5288 (m32c_1mask16_operand): New.
5289 * config/m32c/blkmov.md: New file.
5290 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5292 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5294 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5295 unsigned to fix signed/unsigned comparison issue in
5296 DWARF2_FRAME_REG_OUT.
5297 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5298 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5300 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5301 of ptr into the ENABLE_CHECKING section.
5303 2006-03-08 Jeff Law <law@redhat.com>
5305 * tree-vrp.c (infer_value_range): Only count pointer uses
5306 and dereferences if -fdelete-null-pointer-checks is enabled.
5308 * tree-vrp.c (find_assert_locations): Infer value ranges for
5309 single use pointers, but do not create ASSERT_EXPRs for them.
5310 When a non-null range is inferred for a pointer, backwards
5311 propagate that range to other equivalent pointers through the
5312 use-def chain.
5314 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5316 PR bootstrap/26500
5317 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5318 language hook targets.
5319 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5320 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5321 if language hook targets were missing.
5323 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5325 * tree-ssa-opfinalize.h: Removed.
5326 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5327 dependency.
5328 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5329 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5330 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5331 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5332 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5333 finalize_ssa_v_must_def_ops): New.
5335 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5337 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5338 block as parameter.
5340 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5342 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5344 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5345 addresses with offsets; reorganize.
5347 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5348 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5349 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5351 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5353 PR target/26588
5354 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5356 2006-03-08 Ben Elliston <bje@au.ibm.com>
5358 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5360 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5362 PR gomp/26238
5363 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5364 expansion.
5366 2006-03-07 Richard Guenther <rguenther@suse.de>
5368 PR tree-optimization/26587
5369 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5371 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5373 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5375 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5377 * hooks.c (hook_bool_mode_rtx_true): New function.
5378 * hooks.h (hook_bool_mode_rtx_true): Declare.
5379 * toplev.c (compile_file): Call output_shared_constant_pool.
5380 * varasm.c (shared_constant_pool): New variable.
5381 (assemble_start_function, assemble_end_function): Remove arguments
5382 from call to output_constant_pool.
5383 (create_constant_pool): New function, split out from...
5384 (init_varasm_status): ...here.
5385 (force_const_mem): Choose between the shared and per-function constant
5386 pools. Set current_function_uses_const_pool when reusing old entries
5387 as well as when creating new ones.
5388 (mark_constant): Ignore data argument.
5389 (mark_constants): Remove pool argument.
5390 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5391 to decide whether the function uses a constant pool.
5392 (output_constant_pool_contents): New function, split out from...
5393 (output_constant_pool): ...here.
5394 (output_shared_constant_pool): New function.
5395 (init_varasm_once): Initialize shared_constant_pool.
5396 * output.h (output_constant_pool): Delete.
5397 (output_shared_constant_pool): Declare.
5398 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5399 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5401 2006-03-06 Nick Clifton <nickc@redhat.com>
5403 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5404 flag_strength_reduce.
5406 2006-03-06 Ben Elliston <bje@au.ibm.com>
5408 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5409 x86_64-*-linux* configurations.
5411 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5412 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5414 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5416 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5417 Remove.
5418 * basic-block.h: Remove the extern for
5419 rediscover_loops_after_threading.
5421 * cfgloop.c (cancel_loop): Make it static.
5422 * cfgloop.h: Remove the prototype for cancel_loop.
5424 * flow.c (recompute_reg_usage): Make it static.
5425 * rtl.h: Remove the prototype for recompute_reg_usage.
5427 * function.c (use_return_register): Make it static.
5428 * function.h: Remove the prototype.
5430 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5432 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5433 Remove.
5434 * recog.h: Remove the prototype for
5435 validate_change_maybe_volatile.
5437 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5439 * rtlanal.c (replace_reg): Remove.
5440 * rtl.h: Remove the prototype for replace_reg.
5442 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5444 * regclass.c (reg_scan_update): Remove.
5445 (reg_scan_mark_refs): Remove the last argument.
5446 * rtl.h: Remove the prototype for reg_scan_update.
5448 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5450 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5451 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5452 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5453 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5454 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5455 loop-invariant.c, omp-low.c, opts.c, passes.c,
5456 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5457 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5458 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5459 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5460 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5461 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5463 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5465 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5466 * dwarf2out.h: Remove the prototype for
5467 dwarf2out_add_library_unit_info.
5469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5471 * tree.c (add_var_to_bind_expr): Remove.
5472 * tree.h: Remove the prototype for add_var_to_bind_expr.
5474 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5476 * regclass.c (n_non_fixed_regs): Remove.
5477 (init_reg_sets_1, globalize_reg): Remove all uses of
5478 n_non_fixed_regs.
5479 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5481 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5483 * rtlanal.c (insns_safe_to_move_p): Remove.
5484 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5488 * expmed.c (expand_mult_add): Remove.
5489 * expr.h: Remove the prototype for expand_mult_add.
5491 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5493 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5494 and REG_SAVED_VAL_EXP constants.
5495 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5496 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5497 Handle regs stored by value.
5498 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5499 (execute_cfa_program): Handle DW_CFA_val_offset,
5500 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5501 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5502 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5503 (uw_install_context_1): Handle target regs stored by value.
5505 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5507 * tree-sra.c (tree_sra): Return todoflags;
5508 (generate_one_element): Set TODO_update_smt_usage if needed.
5509 (pass_sra): Remove TODO_update_smt_usage.
5510 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5511 parameter.
5512 (tree_ssa_forward_propagate_single_use_vars): Return
5513 TODO_update_smt_usage if we need to update SMT usage.
5514 (pass_forwprop): Remove TODO_update_smt_usage.
5516 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5518 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5519 (correct_use_link): Remove reference to get_stmt_operands.
5520 (update_stmt_operands): Likewise.
5521 (get_modify_expr_operands): New function factored out of
5522 parse_ssa_operands and get_expr_operands.
5523 Try to create V_MUST_DEFs for LHS by default.
5524 (get_expr_operands) <case MODIFY_EXPR>: Call
5525 get_modify_expr_operands.
5526 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5527 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5528 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5529 get_modify_expr_operands.
5531 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5533 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5534 * tree-flow.h: Remove the prototype for
5535 referenced_var_lookup_if_exists.
5537 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5539 PR rtl-optimization/26345
5540 PR target/19061
5541 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5543 2006-03-03 Roger Sayle <roger@eyesopen.com>
5545 PR tree-optimization/26524
5546 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5547 fold_convert to create a constant of the appropriate type.
5549 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5551 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5552 SYMBOL_REF_IN_BLOCK_P.
5553 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5554 of SYMBOL_FLAG_IN_BLOCK.
5555 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5556 instead of SYMBOL_REF_IN_BLOCK_P.
5557 * explow.c (use_anchored_address): Likewise.
5558 * rtl.c (rtx_size): Likewise.
5559 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5560 instead of SYMBOL_FLAG_IN_BLOCK.
5561 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5562 SYMBOL_REF_IN_BLOCK_P.
5563 (assemble_variable): Likewise.
5564 (output_constant_def_contents): Likewise.
5565 (output_constant_pool): Likewise.
5566 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5567 instead of SYMBOL_FLAG_IN_BLOCK.
5568 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5569 SYMBOL_REF_IN_BLOCK_P.
5570 (SYMBOL_REF_BLOCK): Likewise.
5571 (SYMBOL_REF_OFFSET): Likewise.
5572 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5573 SYMBOL_REF_IN_BLOCK_P.
5574 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5575 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5576 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5577 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5579 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5581 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5583 2006-03-02 Roger Sayle <roger@eyesopen.com>
5585 * simplify-rtx.c (simplify_unary_operation): When simplifying
5586 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5587 that we perform the right shift in the appropriate mode, and
5588 then extend or truncate the result to requested mode.
5590 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5592 * gengtype.c (main): Handle double_int type.
5593 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5594 * double-int.c: New file.
5595 * double-int.h: New file.
5596 * system.h: Include doubleint.h.
5597 * Makefile.in (SYSTEM_H): Include double-int.h.
5598 (double-int.o): Add.
5600 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5602 PR bootstrap/26478
5603 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5604 copying over it.
5606 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5608 * tree-vrp.c (remove_range_assertions): Do not update statements
5609 unnecessarily.
5611 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5613 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5614 cleanup.
5615 * gcse.c (rest_of_handle_gcse): Ditto.
5616 * except.c (gate_handle_eh): Ditto.
5617 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5618 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5620 2006-03-02 Eric Christopher <echristo@apple.com>
5622 * config/i386/i386.c (machopic_output_stub): Add indirection to
5623 jump.
5625 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5627 * loop.c: Removed.
5629 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5631 Sun Niagara specific optimizations.
5632 * config.gcc: Recognize niagara as target.
5633 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5634 (TARGET_CPU_niagara): Define.
5635 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5636 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5637 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5638 (ASM_CPU_SPEC): Likewise.
5639 (PROCESSOR_NIAGARA): New enum entry.
5640 (REGISTER_MOVE_COST): Handle Niagara.
5641 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5642 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5643 (sparc_override_options): Recognize "niagara", set appropriate
5644 default MASK_* values for it, and align functions to 32-bytes
5645 by default just like ULTRASPARC/ULTRASPARC3.
5646 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5647 (sparc64_initialize_trampoline): Likewise.
5648 (sparc_use_sched_lookahead): Use zero for niagara.
5649 (sparc_issue_rate): Use one for niagara.
5650 * config/sparc/niagara.md: New file.
5651 * config/sparc/sparc.md: Include it.
5652 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5653 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5654 when default cpu is niagara.
5655 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5656 (ASM_CPU_SPEC): Likewise.
5657 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5658 when default cpu is niagara.
5659 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5660 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5661 just like v9/ultrasparc/ultrasparc3.
5662 * doc/invoke.texi: Add documentation for "niagara" and improve
5663 existing documentation for ultrasparc variants.
5665 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5667 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5669 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5671 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5672 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5673 and say that only one is needed.
5674 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5675 * target.h (have_switchable_bss_sections): New hook.
5676 * explow.c (use_anchored_address): Check that the symbol is in a block.
5677 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5678 (bss_noswitch_section): New variables.
5679 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5680 (get_noswitch_section): New function.
5681 (get_block_for_section): Allow SECT to be null.
5682 (unlikely_text_section_p): Use SECTION_STYLE.
5683 (bss_initializer_p): New function.
5684 (get_variable_section): Move earlier in file. Take a new argument,
5685 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5686 Return one of the new *_sections in such cases.
5687 (get_block_for_decl): New function, extracting some logic from
5688 use_blocks_for_decl_p.
5689 (change_symbol_section): Remove in favor of...
5690 (change_symbol_block): ...this new function.
5691 (use_blocks_for_decl_p): Remove checks now performed by
5692 get_block_for_decl.
5693 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5694 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5695 (emit_local, emit_bss, emit_common): ...these new functions.
5696 Return true if the alignment was honored.
5697 (emit_tls_common): New function.
5698 (asm_emit_uninitialised): Delete.
5699 (assemble_variable_noswitch): New function, split out from...
5700 (assemble_variable): ...here. Don't make decisions about common
5701 variables here. Globalize all public decls that go into non-common
5702 sections. Check whether SYMBOL_REF_BLOCK is null.
5703 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5704 (output_constant_pool): Likewise.
5705 (init_varasm_once): Initialize the new section variables.
5706 (have_global_bss_p): New function.
5707 (categorize_decl_for_section): Use bss_initializer_p.
5708 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5709 (place_block_symbol): Assert that the symbol must be in a block.
5710 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5711 (TARGET_INITIALIZER): Include it.
5712 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5713 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5714 (SECTION_MACH_DEP): Bump by two.
5715 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5716 (unnamed_section): Mention SECTION_UNNAMED in comment.
5717 (named_section): Likewise SECTION_NAMED.
5718 (noswitch_section_callback): New type.
5719 (noswitch_section): New structure.
5720 (section): Add a noswitch_section alternative.
5721 (SECTION_STYLE): New macro.
5722 (tls_comm_section, comm_section, lcomm_section): Declare.
5723 (bss_noswitch_section, have_global_bss_p): Declare.
5724 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5725 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5726 Override.
5727 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5728 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5729 Override.
5731 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5733 * tree-vrp.c (execute_vrp): Return value.
5734 * regrename.c (rest_of_handle_regrename): Ditto.
5735 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5736 * tree-complex.c (tree_lower_complex): Ditto.
5737 (tree_lower_complex_O0): Ditto.
5738 * tracer.c (rest_of_handle_tracer): Ditto.
5739 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5740 * postreload.c (rest_of_handle_postreload): Ditto.
5741 * tree-tailcall.c (execute_tail_recursion): Ditto.
5742 (execute_tail_calls): Ditto.
5743 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5744 * tree.h (init_function_for_compilation): Ditto.
5745 * ipa-cp.c (ipcp_driver): Ditto.
5746 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5747 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5748 * final.c (compute_alignments): Ditto.
5749 (rest_of_handle_final): Ditto.
5750 (rest_of_handle_shorten_branches): Ditto.
5751 (rest_of_clean_state): Ditto.
5752 * omp-low.c (execute_expand_omp): Ditto.
5753 (execute_lower_omp): Ditto.
5754 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5755 * ipa-reference.c (static_execute): Ditto.
5756 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5757 * reorg.c (rest_of_handle_delay_slots): Ditto.
5758 (rest_of_handle_machine_reorg): Ditto.
5759 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5760 * flow.c (recompute_reg_usage): Ditto.
5761 (rest_of_handle_remove_death_notes): Ditto.
5762 (rest_of_handle_life): Ditto.
5763 (rest_of_handle_flow2): Ditto.
5764 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5765 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5766 (do_ssa_store_ccp): Ditto.
5767 (execute_fold_all_builtins): Ditto.
5768 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5769 * modulo-sched.c (rest_of_handle_sms): Ditto.
5770 * ipa-pure-const.c (static_execute): Ditto.
5771 * cse.c (rest_of_handle_cse): Ditto.
5772 (rest_of_handle_cse2): Ditto.
5773 * web.c (rest_of_handle_web): Ditto.
5774 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5775 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5776 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5777 * tree-nrv.c (tree_nrv): Ditto.
5778 (execute_return_slot_opt): Ditto.
5779 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5780 (create_structure_vars): Ditto.
5781 * loop-init.c (rtl_loop_init): Ditto.
5782 (rtl_loop_done): Ditto.
5783 (rtl_move_loop_invariants): Ditto.
5784 (rtl_unswitch): Ditto.
5785 (rtl_unroll_and_peel_loops): Ditto.
5786 (rtl_doloop): Ditto.
5787 * gimple-low.c (lower_function_body): Ditto.
5788 (mark_used_blocks): Ditto.
5789 * tree-ssa-sink.c (execute_sink_code): Ditto.
5790 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5791 (cgraph_early_inlining): Ditto.
5792 * global.c (rest_of_handle_global_alloc): Ditto.
5793 * jump.c (cleanup_barriers): Ditto.
5794 (purge_line_number_notes): Ditto.
5795 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5796 (rest_of_handle_if_after_reload): Ditto.
5797 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5798 (tree_ssa_loop_im): Ditto.
5799 (tree_ssa_loop_unswitch): Ditto.
5800 (tree_vectorize): Ditto.
5801 (tree_linear_transform): Ditto.
5802 (tree_ssa_loop_ivcanon): Ditto.
5803 (tree_ssa_empty_loop): Ditto.
5804 (tree_ssa_loop_bounds): Ditto.
5805 (tree_complete_unroll): Ditto.
5806 (tree_ssa_loop_prefetch): Ditto.
5807 (tree_ssa_loop_ivopts): Ditto.
5808 (tree_ssa_loop_done): Ditto.
5809 * predict.c (tree_estimate_probability): Ditto.
5810 * recog.c (split_all_insns_noflow): Ditto.
5811 (rest_of_handle_peephole2): Ditto.
5812 (rest_of_handle_split_all_insns): Ditto.
5813 * tree-eh.c (lower_eh_constructs): Ditto.
5814 * regmove.c (rest_of_handle_regmove): Ditto.
5815 (rest_of_handle_stack_adjustments): Ditto.
5816 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5817 * function.c (instantiate_virtual_regs): Ditto.
5818 (init_function_for_compilation): Ditto.
5819 (rest_of_handle_check_leaf_regs): Ditto.
5820 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5821 (rest_of_handle_gcse): Ditto.
5822 * ipa-type-escape.c (type_escape_execute): Ditto.
5823 * alias.c (rest_of_handle_cfg): Ditto.
5824 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5825 * profile.c (rest_of_handle_branch_prob): Ditto.
5826 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5827 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5828 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5829 * tree-dfa.c (find_referenced_vars): Ditto.
5830 * except.c (set_nothrow_function_flags): Ditto.
5831 (convert_to_eh_region_ranges): Ditto.
5832 (rest_of_handle_eh): Ditto.
5833 * emit-rtl.c (unshare_all_rtl): Ditto.
5834 (remove_unnecessary_notes): Ditto.
5835 * except.h (set_nothrow_function_flags): Ditto.
5836 (convert_to_eh_region_ranges): Ditto.
5837 * cfgexpand.c (tree_expand_cfg): Ditto.
5838 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5839 * tree-ssa-pre.c (do_pre): Ditto.
5840 (execute_fre): Ditto.
5841 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5842 (rest_of_handle_jump2): Ditto.
5843 * tree-sra.c (tree_sra): Ditto.
5844 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5845 (execute_mudflap_function_decls): Ditto.
5846 * tree-ssa-copy.c (do_copy_prop): Ditto.
5847 (do_store_copy_prop): Ditto.
5848 * ipa-prop.h (ipcp_driver): Ditto.
5849 * cfglayout.c (insn_locators_initialize): Ditto.
5850 * tree-ssa-forwprop.c
5851 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5852 * cfglayout.h (insn_locators_initialize): Ditto.
5853 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5854 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5855 (execute_late_warn_uninitialized): Ditto.
5856 * rtl.h (cleanup_barriers): Ditto.
5857 (split_all_insns_noflow): Ditto.
5858 (purge_line_number_notes): Ditto.
5859 (unshare_all_rtl): Ditto.
5860 (remove_unnecessary_notes): Ditto.
5861 (recompute_reg_usage): Ditto.
5862 (variable_tracking_main): Ditto.
5863 * integrate.c (emit_initial_value_sets): Ditto.
5864 * integrate.h (emit_initial_value_sets): Ditto.
5865 * tree-optimize.c (execute_free_datastructures): Ditto
5866 (execute_free_cfg_annotations): Ditto.
5867 (execute_fixup_cfg): Ditto.
5868 (execute_cleanup_cfg_pre_ipa): Ditto.
5869 (execute_cleanup_cfg_post_optimizing): Ditto.
5870 (execute_init_datastructures): Ditto.
5871 * tree-object-size.c (compute_object_sizes): Ditto.
5872 * combine.c (rest_of_handle_combine): Ditto.
5873 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5874 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5875 (rest_of_handle_reorder_blocks): Ditto.
5876 (rest_of_handle_partition_blocks): Ditto.
5877 * var-tracking.c (variable_tracking_main): Ditto.
5878 * tree-profile.c (tree_profiling): Ditto.
5879 * tree-vect-generic.c (expand_vector_operations): Ditto.
5880 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5881 * sched-rgn.c (rest_of_handle_sched): Ditto.
5882 (rest_of_handle_sched2): Ditto.
5883 * basic-block.h (free_bb_insn): Ditto.
5884 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5885 * tree-cfg.c (execute_build_cfg): Ditto.
5886 (remove_useless_stmts): Ditto.
5887 (split_critical_edges): Ditto.
5888 (execute_warn_function_return): Ditto.
5889 (execute_warn_function_noreturn): Ditto.
5890 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5891 * cfgrtl.c (free_bb_for_insn): Ditto.
5892 * passes.c (execute_one_pass): Run additional
5893 todos returned by execute function.
5894 * tree-pass.h (struct tree_opt_pass): Make execute
5895 return a value.
5897 2006-03-02 Richard Guenther <rguenther@suse.de>
5899 * tree-ssa-alias.c (find_used_portions): Consider taking
5900 the address as making the variable not write-only.
5902 2006-03-02 Nick Clifton <nickc@redhat.com>
5904 * config.gcc (default_use_cxa_atexit): Extend the description of
5905 this configure variable. Set its default value to "yes" for
5906 Linux, NetBSD and ELF targets on the assumption that they will
5907 use C libraries with the __cxa_atexit function.
5909 2006-03-02 Ben Elliston <bje@au.ibm.com>
5911 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5912 parameter as unused to suppress a build warning.
5914 2006-03-02 Ben Elliston <bje@au.ibm.com>
5916 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5917 config/dfp-bit.c.
5919 2006-03-01 Roger Sayle <roger@eyesopen.com>
5921 PR other/26489
5922 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5923 declared name, the weak reference name, and the typeof name.
5924 (__gthrw): Avoid expanding the declared name suffix.
5925 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5927 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5929 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5930 from DWARF 3.
5931 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5932 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5933 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5934 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5935 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5936 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5937 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5938 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5939 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5940 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5941 (DW_END_default, DW_END_big, DW_END_little): New.
5942 (DW_END_lo_user, DW_END_hi_user): Define.
5943 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5944 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5945 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5946 DW_LANG_D): New.
5948 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5950 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5951 Update all users.
5952 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5953 Update all users.
5954 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5955 Update all users.
5956 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5957 Update all users.
5958 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5959 to 'symbol_mem_tag'.
5960 Update all users.
5961 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5962 rename.
5964 2006-03-01 Roger Sayle <roger@eyesopen.com>
5966 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5968 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5970 PR target/25761
5971 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5972 MACHO_DYNAMIC_NO_PIC_P.
5973 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5975 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5977 PR target/26389
5978 * config/darwin-protos.h (darwin_asm_output_anchor):
5979 Declare.
5980 * config/darwin-sections.def (cstring_section):
5981 Add SECTION_MERGE to the flags.
5982 (literal4_section): Likewise.
5983 (literal8_section): Likewise.
5984 (objc_selector_refs_section): Likewise.
5985 (objc_cls_refs_section): Likewise.
5986 * config/darwin.c (darwin_asm_output_anchor): New
5987 function.
5988 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5990 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5992 Fix PR tree-optimization/26443
5993 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5994 to todo and PROP_tmt_usage to properties_destroyed.
5995 * tree-ssa-ccp.c (pass_ccp): Ditto.
5996 (pass_store_ccp): Ditto.
5997 * tree-ssa-dom.c (pass_dominator): Ditto.
5999 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6001 * tree-ssa-operands.c: Cleanup whitespace.
6002 (get_asm_expr_operands): Move before first invocation.
6003 (get_indirect_ref_operands): Likewise.
6004 (get_tmr_operands): Likewise.
6005 (get_call_expr_operands): Likewise.
6006 (append_def): Likewise.
6007 (append_use): Likewise.
6008 (append_v_may_def): Likewise.
6009 (append_v_must_def): Likewise.
6010 (add_call_clobber_ops): Likewise.
6011 (add_call_read_ops): Likewise.
6012 (add_stmt_operand): Likewise.
6013 (add_virtual_operand): Likewise.
6014 (build_ssa_operands): Likewise.
6016 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6018 PR middle-end/26022
6019 Revert:
6020 PR middle-end/24437
6021 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6022 with a call expr to ...
6023 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6025 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6027 * tree-vrp.c (extract_range_from_assert): Remove special
6028 handling for types with super-types.
6030 2006-03-01 Ben Elliston <bje@au.ibm.com>
6032 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6033 and powerpc64-*-linux* configurations.
6034 * config/t-dfprules: New file.
6036 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6037 Compile dfp-bit.c from the source directory using -DWIDTH and
6038 $DFP_CFLAGS to control the compilation of that file, rather than
6039 generating width-specific versions in the build directory.
6040 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6041 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6043 2006-02-28 Zack Weinberg <zackw@panix.com>
6045 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6046 continues to work.
6048 2006-02-28 Eric Christopher <echristo@apple.com>
6050 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6051 Set up IN_LIBGCC definition of TARGET_64BIT.
6052 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6054 2006-02-28 Roger Sayle <roger@eyesopen.com>
6056 PR middle-end/14752
6057 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6058 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6059 cases via the construction of "expr != 0".
6061 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6063 * alias.c (alias_invariant, alias_invariant_size): Remove.
6064 (record_base_value): Remove.
6065 (memrefs_conflict_p): Don't look at alias_invariant.
6066 (end_alias_analysis): Don't free it.
6067 * alias.h (record_base_value): Remove prototype.
6069 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6070 Adam Nemet <anemet@caviumnetworks.com>
6072 * rtl.h (truncated_to_mode): Declare it.
6073 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6074 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6075 (RTL_HOOKS_INITIALIZER): Include it.
6076 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6077 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6078 reg_truncated_to_mode.
6079 * rtlanal.c (truncated_to_mode): Define it.
6080 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6082 2006-02-28 Jeff Law <law@redhat.com>
6084 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6085 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6086 the range allowed by TYPE_PRECISION.
6088 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6090 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6092 PR tree-optimization/26419
6093 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6094 values of n.
6096 2006-02-27 Zack Weinberg <zackw@panix.com>
6098 * doc/md.texi: Fix typo in previous change.
6100 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6102 * df.c: Remove.
6104 2006-02-27 Zack Weinberg <zackw@panix.com>
6106 * rtl.def (define_constraint, define_register_constraint)
6107 (define_memory_constraint, define_address_constraint): New MD forms.
6108 * gensupport.c (process_rtx): Put define_constraint etc on the
6109 predicate queue.
6110 * genpreds.c (process_define_predicate): Adjust comment. Validate
6111 the name, and call validate_exp to validate the expression.
6112 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6113 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6114 all callers changed.
6115 (validate_exp, needs_variable, struct constraint_data)
6116 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6117 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6118 (const_dbl_constraints, constraint_max_namelen)
6119 (have_register_constraints, have_memory_constraints)
6120 (have_address_constraints, have_address_constraints)
6121 (have_extra_constraints, have_const_int_constraints)
6122 (have_const_dbl_constraints, mangle, add_constraint)
6123 (process_define_constraint, process_define_register_constraint)
6124 (write_enum_constraint_num, write_lookup_constraint)
6125 (write_insn_constraint_len, write_regclass_for_constraint)
6126 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6127 (write_insn_extra_memory_constraint)
6128 (write_insn_extra_address_constraint)
6129 (write_satisfies_constraint_fns): New.
6130 (write_tm_preds_h): If we have new-style constraint definitions,
6131 prototype the functions generated from them, and define the
6132 old constraint interface (still used by generic code) in terms of
6133 those functions.
6134 (write_insn_preds_c): If we have new-style constraint definitions,
6135 generate all relevant functions from those definitions.
6136 (main): Handle define_constraint etc.
6137 * genoutput.c (struct constraint_data, indep_constraints)
6138 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6139 (mdep_constraint_len): New data structures and functions, defined
6140 #ifdef USE_MD_CONSTRAINTS.
6141 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6142 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6143 use new logic to validate operand constraints against constraint
6144 definitions.
6145 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6146 defined.
6147 * defaults.h: If none of the old-style constraint macros are
6148 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6149 old-style macros; and poison REG_CLASS_FROM_LETTER,
6150 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6151 EXTRA_CONSTRAINT.
6152 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6153 * doc/md.texi: Document new constraint-definition mechanism and the
6154 C interface it provides. Remove references to old mechanism
6155 elsewhere in the document.
6156 (Machine Constraints): Use pathnames relative to gcc directory,
6157 i.e. config/ARCH/FILE. Change i386 section to refer to
6158 config/i386/predicates.md; update that section to match docstrings.
6159 * doc/tm.texi: Move all documentation of the old constraint-
6160 definition macros to their own section, clearly mark as obsolete.
6162 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6163 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6164 definitions.
6165 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6166 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6167 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6168 constraint strings.
6169 (splits and peepholes): Use satisfies_constraint_*.
6170 * config/i386/i386.c (memory_address_length)
6171 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6173 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6175 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6176 scalar operation to be put back into the loop.
6178 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6180 PR other/26208
6181 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6182 (extract_cie_info): Handle S flag in augmentation string.
6183 (execute_cfa_program): If context->signal_frame, execute also
6184 fs->pc == context->ra instructions.
6185 (uw_frame_state_for): If context->signal_frame, don't subtract one
6186 from context->ra to find FDE.
6187 (uw_update_context_1): Set context->signal_frame to
6188 fs->signal_frame.
6189 (_Unwind_GetIPInfo): New function.
6190 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6191 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6192 of _Unwind_GetIP.
6193 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6194 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6195 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6196 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6197 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6198 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6199 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6200 x86_64_fallback_frame_state): Set fs->signal_frame.
6201 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6202 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6203 (frob_update_context): Likewise. Workaround missing S flag in
6204 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6205 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6206 Remove the psw_addr + 1 hack.
6208 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6210 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6211 with aggregates here.
6212 (find_func_aliases): Remove code for &<aggregate> from here.
6214 2006-02-26 Roger Sayle <roger@eyesopen.com>
6216 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6217 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6218 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6219 as (X & C) ne/eq 0.
6221 2006-02-26 Roger Sayle <roger@eyesopen.com>
6223 PR middle-end/19983
6224 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6226 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6228 * opts.c (decode_options): Do not handle flag_strength_reduce.
6229 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6230 and OPT_fstrength_reduce.
6231 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6232 flag_prefetch_loop_arrays for being nonzero.
6233 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6234 no-ops.
6235 (fprefetch-loop-arrays-rtl): Removed.
6236 (flag_prefetch_loop_arrays): Do not specify the value.
6238 * doc/passes.texi: Update documentation of loop optimizer
6239 passes.
6240 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6241 -frerun-loop-opt): Remove.
6243 2006-02-26 Richard Guenther <rguenther@suse.de>
6245 PR tree-optimization/26421
6246 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6247 in function calls that are ADDR_EXPRs as using the whole structure.
6249 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6251 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6252 * tree-pass.h (pass_loop_optimize): Remove.
6253 * passes.c (pass_loop_optimize): Never run it.
6254 * toplev.c (backend_init): Don't call init_loop.
6255 * opts.c (flag_loop_optimize_set): Remove.
6256 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6257 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6258 the old RTL loop optimizer when profiling enabled.
6259 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6260 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6261 pre-headers for the sake of the old RTL loop optimizer.
6262 * Makefile.in: Remove all references to loop.o.
6264 * doc/invoke.texi: Remove all references to -floop-optimize
6265 and -frerun-loop-opt.
6267 2006-02-26 Zack Weinberg <zackw@panix.com>
6269 * doc/md.texi (Machine Constraints): Refer to all files with paths
6270 relative to gcc directory (i.e. config/CPU/file). Add missing
6271 @table @code ... @end table to M32C subsection.
6273 2006-02-26 Roger Sayle <roger@eyesopen.com>
6275 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6276 (X & 1) == 0.
6277 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6279 2006-02-26 Roger Sayle <roger@eyesopen.com>
6280 James A. Morrison <phython@gcc.gnu.org>
6282 PR middle-end/21137
6283 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6284 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6285 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6286 signedness of the shift operation.
6288 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6290 PR tree-optimization/26359
6291 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6293 2006-02-25 Roger Sayle <roger@eyesopen.com>
6295 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6296 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6297 as X == 0, and some symmetry related transformations.
6298 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6300 2006-02-25 Roger Sayle <roger@eyesopen.com>
6302 PR middle-end/23673
6303 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6304 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6305 symmetry related transformations. Fold (X^C1) == C2 as
6306 X == (C1^C2).
6308 2006-02-25 Juergen Weigert <jw@suse.de>
6309 Richard Guenther <rguenther@suse.de>
6311 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6313 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6315 * combine.c (gen_lowpart_or_truncate): Call
6316 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6318 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6320 * doc/invoke.texi: Move -fopenmp description to "Options for
6321 Code Generation".
6322 Remove reference to -lgomp.
6324 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6326 * doc/install.texi: Require GNU tar version 1.14.
6328 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6330 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6331 * doc/invoke.texi (C++ Dialect Options): Document
6332 -fno-use-cxa-get-exception-ptr.
6333 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6334 * configure: Regenerate.
6335 * c.opt (fuse-cxa-get-exception-ptr): New.
6336 * c-opts.c (c_common_handle_option): Handle
6337 OPT_fuse_cxa_get_exception_ptr.
6338 * c-common.c (flag_use_cxa_atexit): Update documentation.
6339 (flag_use_cxa_get_exception_ptr): New.
6340 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6341 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6342 documentation.
6343 (C_COMMON_OVERRIDE_OPTIONS): New.
6345 2006-02-24 Roger Sayle <roger@eyesopen.com>
6347 PR middle-end/24952
6348 * combine.c (try_combine): Explicitly check whether GET_CODE is
6349 a SET or a CLOBBER, instead on checking that it isn't a USE.
6351 2006-02-24 Roger Sayle <roger@eyesopen.com>
6353 * fold-const.c (fold_comparison): New subroutine of fold_binary
6354 containing transformations common to both the equality and
6355 ordering relational operators, factored out of fold_binary.
6356 (fold_binary): Separate out the equality operators (EQ_EXPR
6357 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6358 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6359 transformations common to both.
6360 (fold_div_compare): Fix latent bugs in the previously unreachable
6361 LT_EXPR and GE_EXPR cases.
6363 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6365 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6366 decl libname for clog to __clog on AIX.
6368 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6370 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6372 PR target/26453
6373 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6374 output traceback table for thunks. Localise rs6000_stack_info call.
6376 2006-02-23 Roger Sayle <roger@eyesopen.com>
6377 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6379 * gthr-posix.h (__gthrw): Fix typo in comment.
6381 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6383 * doc/cpp.texi (Character sets): Document that we do support
6384 input files to be in any character set.
6386 2006-02-23 Jeff Law <law@redhat.com>
6388 * tree.h (PHI_ARG_NONZERO): Remove.
6389 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6390 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6391 node to the new node.
6393 PR tree-optimization/26425
6394 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6395 min/max, then assume its varying.
6397 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6399 PR rtl-optimization/26316
6400 * rtlanal.c (enum may_trap_p_flags): New.
6401 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6402 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6403 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6404 (may_trap_after_code_motion_p): New function.
6405 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6406 (find_invariant_insn): Use may_trap_after_code_motion_p.
6407 * rtl.h (may_trap_after_code_motion_p): Declare.
6409 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6411 * emit-rtl.c (immed_double_const): Cleanup.
6413 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6415 Fix PR tree-optimization/26376
6416 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6417 remove assert.
6419 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6421 PR middle-end/26412
6422 * gimplify.c (omp_add_variable): Guard variable size decl test with
6423 DECL_SIZE (decl) check.
6425 2006-02-23 Richard Guenther <rguenther@suse.de>
6427 PR middle-end/26439
6428 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6429 like aggregate types.
6431 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6433 * configure.ac: Add --with{,out}-long-double-128 configure option.
6434 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6435 * configure: Rebuilt.
6436 * config.in: Rebuilt.
6437 * doc/install.texi (Options specification): Document
6438 --with-long-double-128.
6440 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6441 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6442 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6443 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6445 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6447 * config/s390/s390.c (override_options): Handle
6448 TARGET_DEFAULT_LONG_DOUBLE_128.
6450 * config/alpha/alpha.c (override_options): Handle
6451 TARGET_DEFAULT_LONG_DOUBLE_128.
6453 * config/sparc/sparc.c (sparc_override_options): Handle
6454 TARGET_DEFAULT_LONG_DOUBLE_128.
6456 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6458 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6459 (real-install-headers-tar, real-install-headers-cpio)
6460 (real-install-headers-cp): New targets.
6462 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6464 * tree.h (variable_section): Delete.
6465 * varasm.c (variable_section): Delete.
6467 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6469 * install.texi: Add notes on install.texi2html.
6470 (Building in parallel): Do not use footnotes.
6472 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6474 PR libgomp/26234
6475 * doc/install.texi (Configuration): Document --disable-libgomp.
6477 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6479 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6481 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6483 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6484 (vec_extractv2df_0_sse): New.
6486 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6488 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6489 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6490 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6491 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6492 to the result of the expression.
6493 (def_cfa_1): Adjust.
6494 (frame_pointer_cfa_offset): Rename to...
6495 (frame_pointer_fb_offset): ... this. Adjust all uses.
6496 (convert_cfa_to_loc_list): Rename to...
6497 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6498 Pass it on to build_cfa_loc.
6499 (compute_frame_pointer_to_cfa_displacement): Rename to...
6500 (compute_frame_pointer_to_fb_displacement): ... this. New
6501 offset parameter. Use it in computation.
6502 (gen_subprogram_die): Compute cfa_fb_offset with the new
6503 macro, and use it to compute the fb loc list and the
6504 displacement.
6506 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6508 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6509 replaced with register_operand.
6510 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6511 non-DREG is expensive.
6512 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6513 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6514 involving memory.
6516 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6518 * doc/install.texi2html: Use set -e.
6520 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6522 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6523 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6524 * doc/invoke.texi (-fshared-data): Delete.
6525 * common.opt (fshared-data): Delete.
6526 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6527 (assemble_static_space): Remove #if 0 code.
6528 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6529 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6530 * config/cris/cris.h: Remove FIXME.
6532 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6534 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6535 hooks.
6537 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6539 PR middle-end/26379
6540 * combine.c (simplify_shift_const_1): Disable nested shifts
6541 optimization for vector shifts.
6543 2006-02-20 Roger Sayle <roger@eyesopen.com>
6545 PR tree-optimization/26361
6546 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6547 of unsigned integer types.
6549 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6551 * tree-chrec.c (eq_evolutions_p): New.
6552 * tree-chrec.h (eq_evolutions_p): Declared.
6553 * tree-data-ref.c: Fix formatting.
6554 (datadep_stats, dependence_stats): New.
6555 (gcd): Moved...
6556 (print_direction_vector): New.
6557 (dump_data_dependence_relation): Use print_direction_vector.
6558 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6559 (compute_subscript_distance): Static.
6560 (initialize_data_dependence_relation): Static. Get the number
6561 of loops surrounding the references from the callers, and initialize
6562 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6563 base_object_differ_p analyzers.
6564 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6565 compute_overlap_steps_for_affine_1_2,
6566 analyze_subscript_affine_affine): Count the classified dependences.
6567 Print a message when a test failed.
6568 (can_use_analyze_subscript_affine_affine): New.
6569 (analyze_siv_subscript): Compute the data dependences on symbolic
6570 scevs that verify can_use_analyze_subscript_affine_affine.
6571 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6572 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6573 Handle symbolic scevs.
6574 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6575 analyzed.
6576 (subscript_dependence_tester): Moved...
6577 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6578 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6579 DDR_SIZE_VECT instead of getting it in parameter.
6580 (subscript_dependence_tester): ... here. Take as a parameter
6581 loop_nest_depth. Call build_classic_dist_vector and
6582 build_classic_dir_vector.
6583 (compute_affine_dependence): Update subscript_dependence_tester
6584 parameters. Update datadep_stats counters. Call
6585 compute_subscript_distance.
6586 (compute_self_dependence): Save the dist and dir vectors. Call
6587 compute_subscript_distance.
6588 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6589 (compute_all_dependences): Reorder parameters as they were before
6590 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6591 compute_subscript_distance. Update the use of
6592 compute_affine_dependence and initialize_data_dependence_relation.
6593 (find_data_references_in_loop): Handle COMPONENT_REF.
6594 (compute_data_dependences_for_loop): Initialize dependence_stats.
6595 Don't call build_classic_dist_vector and build_classic_dir_vector.
6596 Update the parameters of initialize_data_dependence_relation and
6597 compute_all_dependences. Print the statistics from datadep_stats.
6598 (analyze_all_data_dependences): Static. Not used until the pass for
6599 checking the data dependences is contributed.
6600 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6601 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6602 (initialize_data_dependence_relation, compute_affine_dependence,
6603 analyze_all_data_dependences, compute_subscript_distance): Removed.
6604 (print_direction_vector): New.
6605 * lambda.h (gcd): ... here.
6606 (lambda_vector_gcd): Moved here from gcd_vector.
6607 * lambda-code.c (gcd, gcd_vector): Removed.
6608 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6609 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6611 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6613 * ipa-type-escape.c: Tidy some comments and white space.
6614 * tree-ssa-operands.c: Likewise.
6616 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6618 PR tree-opt/25879
6619 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6620 (dump_decl_name): Do not walk the decl tree chains.
6621 * tree-pass.h (TDF_CHAIN): Remove.
6623 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6625 * Makefile.in (C): Remove
6626 (PROTO): Remove
6627 (.PHONY): Remove C and PROTO
6629 2006-02-20 Roger Sayle <roger@eyesopen.com>
6631 PR middle-end/26236
6632 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6633 deprecated CHAR_TYPE tree code.
6635 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6637 * configure.ac (target_list): Add install-info, dvi, html.
6638 * configure: Regenerate.
6640 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6641 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6642 treelang/Make-lang.in: Do not use double-colon rules.
6644 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6646 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6647 (TMT_USED_ALONE): New macro.
6648 * tree-pass.h (PROP_tmt_usage): New property.
6649 (TODO_update_tmt_usage): New todo.
6650 * tree-ssa-alias.c (updating_used_alone): New variable.
6651 (recalculate_used_alone): New function.
6652 (compute_may_aliases): Set updating_used_alone, call
6653 recalculate_used_alone.
6654 * tree-sra.c (pass_sra): Note that this pass destroys
6655 PROP_tmt_usage, and add TODO_update_tmt_usage.
6656 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6657 * tree-flow.h (updating_used_alone): Prototype.
6658 (recalculate_used_alone): Ditto.
6659 * passes.c (execute_todo): Add code to set updating_used_alone,
6660 and call recalculate.
6661 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6662 for clobber if used alone, and add assert to verify used_alone
6663 status.
6665 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6667 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6668 for non tls symbols added.
6669 (legitimize_address): Do nothing for PLUS expressions if one of the
6670 addends is a tls symbol reference.
6672 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6674 PR bootstrap/25476
6676 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6678 * Makefile.in (BOOTSTRAPPING): New.
6679 (quickstrap): New definition if BOOTSTRAPPING=yes.
6681 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6682 * configure.ac: Substitute all_selected_languages with the languages
6683 that were configured. For all the other variables except
6684 lang_specs_files, include all the languages in the tree.
6685 * configure: Regenerate.
6687 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6688 if there is one. Run the commands to run fixincludes in the same
6689 subshell.
6691 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6692 * doc/install.texi: Document exact conventions for searching target tools.
6693 Document --with-build-time-tools. Document toplevel bootstrap. Document
6694 something more about building an Ada cross-compiler. Don't list GNU Make
6695 requirements which affect all platforms.
6697 2006-02-19 Roger Sayle <roger@eyesopen.com>
6699 PR middle-end/19543
6700 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6701 only equivalent if the have both the same mode and precision.
6703 2006-02-20 Ben Elliston <bje@au.ibm.com>
6705 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6707 2006-02-19 Roger Sayle <roger@eyesopen.com>
6708 Steven Bosscher <stevenb.gcc@gmail.com>
6710 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6711 constant pool references to identify stack mode constants.
6712 * rtlanal.c (constant_pool_constant_p): New predicate to check
6713 whether operand is a floating point constant in the pool.
6714 * rtl.h (constant_pool_constant_p): Prototype here.
6715 * loop.c (scan_loop): Avoid hoisting constants from the constant
6716 pool on STACK_REGS targets.
6717 (load_mems): Likewise.
6718 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6719 loads into x87 registers expensive in terms of register pressure.
6721 2006-02-19 Roger Sayle <roger@eyesopen.com>
6723 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6724 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6726 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6728 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6729 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6731 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6733 * doc/invoke.texi: Document -fipa-pta.
6734 * common.opt: Add ipa-pta option.
6735 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6736 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6737 (do_ds_constraint): Ditto.
6738 (get_constraint_for): Only add to referenced_vars if
6739 referenced_vars exists.
6740 (insert_into_field_list): Rewrite to do this unsorted.
6741 (insert_into_field_list_sorted): Rename old insert_into_field_list
6742 to this.
6743 (create_function_info_for): Use insert_into_field_list_sorted.
6744 (create_variable_info_for): Rewrite so it uses unsorted version,
6745 since the field list is sorted.
6746 (intra_create_variable_infos): Only add to referenced_vars if
6747 referenced_vars exists.
6748 (ipa_pta_execute): Init heapvars, and delete when done.
6749 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6751 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6753 * doc/install.texi: Add missing `@samp'.
6755 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6757 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6758 Use the arguments.
6760 2006-02-18 Mark Wielaard <mark@klomp.org>
6762 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6763 who added new 4.1 features, bug fixes and integration support.
6765 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6767 PR target/26350
6768 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6769 MEM for ABI_V4 pic.
6771 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6773 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6774 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6775 (copy_insn_1): Likewise. Don't copy each field individually.
6776 Reindent.
6777 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6778 of RTX_SIZE.
6779 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6780 * rtl.c (rtx_size): Rename variable to...
6781 (rtx_code_size): ...this.
6782 (rtx_size): New function.
6783 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6784 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6785 Reindent.
6786 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6787 * rtl.h (rtx_code_size): New variable.
6788 (rtx_size): Change from a variable to a function.
6789 (RTX_SIZE): Rename to...
6790 (RTX_CODE_SIZE): ...this.
6792 PR target/9703
6793 PR tree-optimization/17106
6794 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6795 (Anchored Addresses): New section.
6796 * doc/invoke.texi (-fsection-anchors): Document.
6797 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6798 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6799 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6800 * hooks.c (hook_bool_mode_rtx_false): New function.
6801 * hooks.h (hook_bool_mode_rtx_false): Declare.
6802 * gengtype.c (create_optional_field): New function.
6803 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6804 SYMBOL_REF_IN_BLOCK_P is true.
6805 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6806 (min_anchor_offset, max_anchor_offset): Likewise.
6807 (use_anchors_for_symbol_p): New hook.
6808 * toplev.c (compile_file): Call output_object_blocks.
6809 (target_supports_section_anchors_p): New function.
6810 (process_options): Check that -fsection-anchors is only used on
6811 targets that support it and when -funit-at-a-time is in effect.
6812 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6813 if the decl doesn't have one.
6814 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6815 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6816 of force_const_mem through use_anchored_address.
6817 (expand_expr_constant): New function.
6818 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6819 calling expand_expr for INDIRECT_REF.
6820 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6821 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6822 * expr.h (use_anchored_address): Declare.
6823 * loop-unroll.c: Don't declare rtx vectors here.
6824 * explow.c: Include output.h.
6825 (validize_mem): Call use_anchored_address.
6826 (use_anchored_address): New function.
6827 * common.opt (-fsection-anchors): New switch.
6828 * varasm.c (object_block_htab, anchor_labelno): New variables.
6829 (hash_section, object_block_entry_eq, object_block_entry_hash)
6830 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6831 (use_blocks_for_decl_p, change_symbol_section): New functions.
6832 (get_variable_section): New function, split out from assemble_variable.
6833 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6834 use_blocks_for_decl_p say so. Use change_symbol_section if the
6835 symbol has already been created.
6836 (assemble_variable_contents): New function, split out from...
6837 (assemble_variable): ...here. Don't output any code for
6838 block symbols; just pass them to place_block_symbol.
6839 Use get_variable_section and assemble_variable_contents.
6840 (get_constant_alignment, get_constant_section, get_constant_size): New
6841 functions, split from output_constant_def_contents.
6842 (build_constant_desc): Create a block symbol if use_object_blocks_p
6843 says so. Or into SYMBOL_REF_FLAGS.
6844 (assemble_constant_contents): New function, split from...
6845 (output_constant_def_contents): ...here. Don't output any code
6846 for block symbols; just pass them to place_section_symbol.
6847 Use get_constant_section and get_constant_alignment.
6848 (force_const_mem): Create a block symbol if use_object_blocks_p and
6849 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6850 (output_constant_pool_1): Add an explicit alignment argument.
6851 Don't switch sections here.
6852 (output_constant_pool): Adjust call to output_constant_pool_1.
6853 Switch sections here instead. Don't output anything for block symbols;
6854 just pass them to place_block_symbol.
6855 (init_varasm_once): Initialize object_block_htab.
6856 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6857 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6858 (place_block_symbol, get_section_anchor, output_object_block)
6859 (output_object_block_htab, output_object_blocks): New functions.
6860 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6861 (TARGET_ASM_OUT): Include it.
6862 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6863 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6864 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6865 (TARGET_INITIALIZER): Include them.
6866 * rtl.c (rtl_check_failed_block_symbol): New function.
6867 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6868 (block_symbol, object_block): New structures.
6869 (rtx_def): Add a block_symbol field to the union.
6870 (BLOCK_SYMBOL_CHECK): New macro.
6871 (rtl_check_failed_block_symbol): Declare.
6872 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6873 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6874 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6875 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6876 * output.h (output_section_symbols): Declare.
6877 (object_block): Name structure.
6878 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6879 (default_use_anchors_for_symbol_p): Declare.
6880 * Makefile.in (RTL_BASE_H): Add vec.h.
6881 (explow.o): Depend on output.h.
6882 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6883 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6884 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6885 (rs6000_use_blocks_for_constant_p): New function.
6887 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6889 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6891 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6893 PR tree-opt/25680
6894 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6895 IMAGPART_EXPR.
6897 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6899 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6900 is_aliased.
6901 Update all users.
6903 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6905 PR middle-end/26334
6906 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6907 instead of DECL_REGISTER.
6909 2006-02-18 Olivier Hainque <hainque@adacore.com>
6911 PR ada/13408
6912 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6914 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6916 PR target/24837
6917 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6918 * opth-gen.awk: Handle Var and InverseMask together.
6919 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6920 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6921 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6922 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6923 used together.
6924 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6925 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6926 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6927 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6928 LINUX_DYNAMIC_LINKER): Define.
6929 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6930 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6931 TARGET_GLIBC.
6932 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6933 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6934 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6936 (TARGET_C99_FUNCTIONS): Don't define.
6937 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6938 GLIBC_DYNAMIC_LINKER.
6939 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6940 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6941 GLIBC_DYNAMIC_LINKER64): Define.
6942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6943 LINUX_DYNAMIC_LINKER64.
6944 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6945 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6946 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6948 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6950 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6951 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6952 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6954 and LINUX_DYNAMIC_LINKER32.
6955 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6957 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6959 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6960 TARGET_GLIBC.
6961 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6962 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6963 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6964 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6965 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6966 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6967 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6968 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6969 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6970 LINUX_DYNAMIC_LINKER): Define.
6971 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6972 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6973 GLIBC_DYNAMIC_LINKER64): Define.
6974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6975 LINUX_DYNAMIC_LINKER64.
6976 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6977 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6978 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6979 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6980 LINUX_DYNAMIC_LINKER): Define.
6981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6982 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6983 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6984 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6985 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6986 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6987 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6988 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6989 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6990 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6992 * doc/invoke.texi (-muclibc): Remove caveat about supported
6993 targets.
6995 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6997 * doc/cpp.texi (__TIMESTAMP__): Document.
6999 2006-02-17 Roger Sayle <roger@eyesopen.com>
7001 PR middle-end/25600
7002 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7003 C is one less than the width of X (and related transformations).
7004 * simplify-rtx.c (simplify_unary_operation_1): Transform
7005 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7006 depending on STORE_FLAG_VALUE, were C is one less then the
7007 width of X.
7009 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7011 Fix PR tree-optimization/26341
7012 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7013 about NAME_MEMORY_TAG's.
7015 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7017 PR target/26255
7018 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7019 with hardware float support, and software float support. Add fcpy
7020 alternative to hardware patterns. Add alternatives to copy between
7021 general and floating-point registers to the 32-bit pattern.
7022 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7023 secondary reload to load a QI or HI mode constant into a floating
7024 point register.
7025 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7026 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7028 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7030 PR target/26272
7031 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7032 pc to the pattern.
7033 (load_macho_picbase_di): Likewise.
7035 2006-02-16 Jeff Law <law@redhat.com>
7037 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7038 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7039 (ssa_name_nonzero_p): Likewise.
7040 (get_value_range): Return NULL if VRP is not running.
7041 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7042 VRP routines do not discover a range.
7043 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7044 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7045 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7046 (tree_expr_nonnegative_p): Similarly.
7047 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7048 (restore_nonzero_vars_to_original_value): Remove.
7049 (unsafe_associative_fp_binop): Remove.
7050 (tree_ssa_dominator_optimize): Remove initialization and
7051 finalization of nonzero_vars and nonzero_vars_stack.
7052 (dom_opt_initialize_block): No longer push marker on
7053 nonzero_vars_stack.
7054 (dom_opt_finalize_block): No longer call
7055 restore_nonzero_vars_to_original_value.
7056 (record_equivalences_from_phis): No longer look for
7057 nonzero PHI arguments.
7058 (cprop_into_successor_phis): No longer propagate nonzero
7059 property into PHI arguments. Lose unused argument. Caller
7060 updated.
7061 (record_equivalences_from_stmt): No longer record nonzero
7062 values for SSA_NAMEs.
7063 (lookup_avail_expr): No longer use nonzero_vars.
7065 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7066 for sizetype when sizetype is unsigned.
7068 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7070 PR rtl-optimization/25603
7071 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7072 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7073 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7074 with new meaning of SETS.
7076 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7078 PR target/20353
7079 PR target/24578
7080 PR target/24837
7081 * config/linux.opt: New file.
7082 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7083 LINUX_DYNAMIC_LINKER): Define.
7084 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7085 * config.gcc (*-*-linux*): Define extra_options.
7086 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7087 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7088 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7089 GLIBC_DYNAMIC_LINKER.
7090 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7091 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7092 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7094 * doc/invoke.texi (GNU/Linux Options): New section.
7096 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7098 * config/sparc/sparc.md (setjmp): Rewrite.
7099 (setjmp_32): Delete.
7100 (setjmp_64): Likewise.
7102 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7104 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7105 previous change.
7107 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7109 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7110 read-write uses.
7112 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7114 PR rtl-optimization/26296
7115 * Makefile.in (loop-invariant.c): Add except.h dependency.
7116 * loop-invariant.c: Include except.h.
7117 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7119 2005-02-16 Paul Brook <paul@codesourcery.com>
7121 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7122 for reloads.
7124 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7126 PR rtl-optimization/25636
7127 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7128 when deciding whether an insn is an initializing insn.
7130 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7132 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7133 (tree_code_size): Ditto.
7134 * tree.h (struct tree_memory_tag): Remove parent_var.
7135 (struct tree_struct_field_tag): New.
7136 (SFT_OFFSET): New.
7137 (SFT_SIZE): New.
7138 (union tree_node): Add sft member.
7139 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7140 specially here.
7141 (create_sft): Add size and offset argument, set SFT_OFFSET and
7142 SFT_SIZE.
7143 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7144 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7145 * tree-flow-inline.h (get_subvar_at): Update for
7146 SFT_OFFSET/SFT_SIZE.
7147 (var_can_have_subvars): Ditto.
7148 (overlap_subvar): Ditto.
7149 * print-tree.c (print_node): Print out interesting things for
7150 SFT's.
7151 * tree-flow.h (struct subvar): Remove offset and size members.
7152 * tree-ssa-operands.c (get_expr_operands): Update for
7153 get_indirect_ref_operands changes.
7154 (get_indirect_ref_operands): Call add_virtual_operand instead of
7155 add_stmt_operand. Only recurse on base var if requested.
7156 (access_can_touch_variable): New function.
7157 (add_stmt_operand): Split virtual operand handling into ...
7158 (add_virtual_operand): Here. Add offset, size, and for_clobber
7159 arguments. Prune alias sets.
7160 (add_call_clobber_ops): Call add_virtual_operand.
7162 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7164 PR middle-end/26300
7165 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7167 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7168 than TREE_CODE as index into omp_clause_num_ops array.
7170 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7172 PR rtl-optimization/26184
7173 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7174 uses_of_defs.
7175 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7176 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7177 must_precede, must_follow and tobe_scheduled.
7179 PR other/26147
7180 * opts.c (common_handle_option): Free new_option pointer.
7181 * df-core.c (df_analyze): Free postorder pointer.
7183 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7185 * Makefile.in: Fix the examples about the use of stamps
7187 2006-02-15 Michael Matz <matz@suse.de>
7189 PR middle-end/22275
7191 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7192 influenced by maximum_field_alignment or DECL_PACKED.
7193 (update_alignment_for_field): Ditto.
7194 (place_field): Ditto.
7195 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7196 this behaviour.
7198 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7200 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7201 (debug_flow_info): Pass it.
7202 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7203 * bb-reorder.c (reorder_basic_blocks): Likewise.
7204 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7205 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7206 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7207 * gcse.c (gcse_main, bypass_jumps): Likewise.
7208 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7209 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7210 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7211 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7212 * rtl.h (dump_flow_info): Adjust prototype.
7213 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7214 * var-tracking.c (variable_tracking_main): Likewise.
7215 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7216 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7217 options.
7219 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7221 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7222 construction.
7224 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7226 PR tree-optimization/26209
7227 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7228 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7229 eh edges.
7230 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7232 2006-02-14 Roger Sayle <roger@eyesopen.com>
7234 PR middle-end/23670
7235 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7236 (X,Y) and the corresponding symmetry related transformations.
7237 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7238 (X,Y) and its symmetry related transformations.
7240 2006-02-14 Roger Sayle <roger@eyesopen.com>
7242 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7243 and GEU.
7245 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7247 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7249 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7251 PR bootstrap/26053
7252 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7253 support COMDAT group.
7254 * configure: Regenerate.
7256 2006-02-14 Roger Sayle <roger@eyesopen.com>
7258 PR middle-end/26279
7259 PR middle-end/26280
7260 PR middle-end/26283
7261 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7263 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7265 Fix PR tree-optimization/26260
7267 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7268 param.
7269 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7270 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7271 * tree-ssa-structalias.c (create_variable_info_for): Use
7272 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7274 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7276 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7277 Document.
7278 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7279 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7280 of the ending condition.
7281 * tree-ssa-loop-manip.c: Include params.h.
7282 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7283 tree_unroll_loop): New functions.
7284 * tree-pass.h (pass_loop_prefetch): Declare.
7285 * loop.c (rest_of_handle_loop_optimize): Test for
7286 -fprefetch-loop-arrays-rtl.
7287 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7288 * timevar.def (TV_TREE_PREFETCH): New timevar.
7289 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7290 pass_loop_prefetch): New.
7291 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7292 (cleanup_tree_cfg_loop): Call scev_reset.
7293 * common.opt (fprefetch-loop-arrays-rtl): Add.
7294 * tree-ssa-loop-prefetch.c: New file.
7295 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7296 (new_temp_expr_table): Initialize expr_vars.
7297 (free_temp_expr_table): Cleanup expr_vars.
7298 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7299 expressions from being merged into one.
7300 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7301 (struct tree_niter_desc): Add control, bound and cmp fields.
7302 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7303 Declare.
7304 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7305 (tree-cfgcleanup.o): Add SCEV_H dependency.
7306 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7307 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7309 2006-02-14 Richard Guenther <rguenther@suse.de>
7311 PR tree-optimization/26258
7312 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7313 in PHI argument processing.
7315 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7317 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7318 new expression in the requested machine mode.
7320 2006-02-13 Roger Sayle <roger@eyesopen.com>
7322 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7323 directly, instead let do_compare_rtx_and_jump handle this for us.
7324 * expr.c (expand_expr_real_1): Likewise.
7325 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7326 before do_jump_by_parts_greater.
7327 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7328 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7330 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7332 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7334 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7336 PR rtl-optimization/26235
7337 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7338 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7339 format.
7341 2006-02-13 Jeff Law <law@redhat.com>
7343 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7344 TRUTH_XOR_EPR.
7346 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7348 PR middle-end/26092
7349 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7350 twice if decl is a builtin. When trying again, call get_callee_fndecl
7351 first to verify it is still a builtin.
7353 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7355 * dwarf2out.c (base_type_die): Don't add AT_name here.
7356 (subrange_type_die): Don't add AT_name here.
7357 (modified_type_die): Rearrange code flow. Do add AT_name here.
7359 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7361 PR rtl-optimization/26247
7362 PR rtl-optimization/26248
7363 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7365 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7367 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7368 * config/fixtfdi.c: Likewise.
7369 * config/fixunstfdi.c: Likewise.
7370 * config/floatditf.c: Likewise.
7372 2006-02-13 Roger Sayle <roger@eyesopen.com>
7374 PR middle-end/24427
7375 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7376 into (X,C2) if C1 is a subset of the bits of C2. Transform
7377 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7378 (X&(C1&~C2))|C2.
7379 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7381 2006-02-13 Josh Conner <jconner@apple.com>
7383 PR target/25376
7384 * varasm.c (function_section): Check for section name before
7385 calling select_section on targets that define
7386 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7387 unlikely_text_section instead of hot_function_section if
7388 first_function_block_is_cold.
7390 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7392 PR middle-end/25335
7393 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7395 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7397 PR rtl-optimization/26222
7398 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7399 after tree->rtl expansion.
7400 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7401 before passing it to emit_move_insn.
7403 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7405 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7406 default.
7407 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7408 Clarify documentation.
7409 * c-common.h (warn_write_strings): Remove.
7410 * c-common.c (warn_write_strings): Likewise.
7411 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7412 default for C++.
7414 2006-02-12 Roger Sayle <roger@eyesopen.com>
7416 PR middle-end/25724
7417 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7418 (do_jump_parts_zero_rtx): New function renamed from
7419 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7420 (do_jump_parts_equality_rtx): New function split out from
7421 do_jump_parts_equality. Old implementation renamed as above.
7422 Call do_jump_parts_zero_rtx if either operand is zero.
7423 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7424 do all of the heavy lifting.
7425 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7426 calling either do_jump_by_parts_greater_rtx or
7427 do_jump_by_parts_equality_rtx.
7428 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7429 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7430 moved to do_compare_rtx_and_jump, call it directly.
7431 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7432 mode argument. Call do_compare_rtx_and_jump.
7433 (emit_case_nodes): Update calls to do_jump_if_equal.
7435 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7437 PR rtl-optimization/26225
7438 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7440 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7442 PR rtl-optimization/26232
7443 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7445 2006-02-11 Jason Merrill <jason@redhat.com>
7447 PR tree-opt/24365
7448 * tree-inline.c (declare_return_variable): Just don't use the
7449 modify target if it's a gimple complex reg and the return slot
7450 isn't.
7452 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7454 * doc/contrib.texi: Update my entry.
7456 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7458 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7460 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7462 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7463 expensive.
7465 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7467 * doc/invoke.texi (-floop-optimize2): Removed.
7468 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7469 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7470 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7471 * common.opt (floop-optimize2): Removed.
7472 (fmove-loop-invariants): Enabled by default.
7474 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7476 * tree-if-conv.c (combine_blocks): Free the result of
7477 get_loop_exit_edges.
7479 2006-02-10 Jeff Law <law@redhat.com>
7481 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7483 PR tree-optimization/26213
7484 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7485 loop trying to follow SSA_NAME_VALUE chains.
7487 2006-02-10 Richard Guenther <rguenther@suse.de>
7489 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7490 deal with structures that end in implicitly variable sized arrays.
7492 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7494 PR rtl-optimization/24762
7495 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7496 eh edges.
7498 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7500 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7501 (struct ivopts_data): Add regs_used field.
7502 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7503 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7504 instead of loop_data->regs_used;
7505 (free_loop_data): Do not free aux fields for loops.
7506 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7507 and tree_ssa_iv_optimize_finalize.
7509 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7511 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7513 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7515 PR target/26141
7516 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7517 computing the effective result type.
7519 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7521 PR inline-asm/16194
7522 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7523 (tree_overlaps_hard_reg_set): Declare.
7524 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7525 type and signature to match function type expected by walk_tree.
7526 (tree_overlaps_hard_reg_set): New function.
7527 (decl_conflicts_with_clobbers_p): Rename to:
7528 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7529 Use tree_overlaps_hard_reg_set. Changed caller.
7530 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7531 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7532 * cris.c (cris_md_asm_clobbers): Likewise.
7534 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7536 * reload1.c (emit_input_reload_insns): Delete code that tries to
7537 inherit using find_equiv_reg.
7539 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7541 * c-common.h (flag_const_strings): Don't declare.
7542 * c-common.c (flag_const_strings): Remove.
7543 * c.opt (fconst_strings): Remove.
7544 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7545 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7546 (c_common_init_options): Don't set flag_const_strings.
7547 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7549 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7551 * arm.md (tlobits_cbranch): New pattern.
7552 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7553 testing a single bit.
7555 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7557 PR tree-opt/26179
7558 * tree-ssa-pre.c (create_component_ref_by_pieces):
7559 Handle RETURN_DECL like VAR_DECL.
7561 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7563 PR middle-end/26134
7564 * fold-const.c (fold_indirect_ref_1): Fold
7565 "*(foo *)&complexfoo" to "__real__ complexfoo"
7566 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7568 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7570 * tree-flow-inline.h (var_can_have_subvars):
7571 Volatile variables should not have subvariables.
7573 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7575 PR 26180
7576 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7577 multiplying unsigned values.
7578 Tidy comments.
7580 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7582 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7584 2006-02-08 Jason Merrill <jason@redhat.com>
7586 PR c++/25979
7587 * tree.def: Elaborate on difference from MODIFY_EXPR.
7588 * doc/c-tree.texi (INIT_EXPR): Likewise.
7589 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7590 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7591 (gimplify_target_expr): Likewise.
7592 (gimplify_cond_expr): Remove target handling.
7593 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7594 (gimplify_expr): Clobber it here.
7595 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7596 Do return slot optimization if we have an INIT_EXPR.
7598 PR tree-opt/24365
7599 * tree-inline.c (declare_return_variable): Also clear
7600 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7602 PR c++/16405
7603 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7605 PR middle-end/22439
7606 * gimplify.c (gimplify_one_sizepos): Fix typo.
7608 2006-02-08 Jeff Law <law@redhat.com>
7610 PR tree-optimization/21417
7611 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7612 across a backedge if the control statement at the end of the
7613 block is data dependent on other statements in the same block.
7614 (record_temporary_equivalences_from_stmts): Remove over-conservative
7615 test for threading across backedges.
7617 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7618 control statement, handle all three special cases in the same
7619 manner as they all have the same desired solution. No longer
7620 special case edge flag updating when the post dominator is
7621 the exit block.
7623 2006-02-08 Roger Sayle <roger@eyesopen.com>
7625 * tree.def (CHAR_TYPE): Remove.
7626 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7627 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7628 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7629 (gen_string_type_die): Delete unreachable function.
7631 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7632 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7633 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7634 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7635 * builtins.c (type_to_class): Likewise.
7636 * fold-const.c (fold_convert, build_range_check,
7637 merge_ranges): Likewise.
7638 * expr.c (count_type_elements): Likewise.
7639 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7640 * stor-layout.c (layout_type): Likewise.
7641 * ipa-type-escape.c (type_to_consider): Likewise.
7642 * gimplify.c (omp_firstprivatize_type_sizes,
7643 gimplify_type_sizes): Likewise.
7644 * explow.c (promote_mode): Likewise.
7645 * tree-sra.c (is_sra_scalar_type): Likewise.
7646 * varasm.c (output_constant): Likewise.
7647 * tree-inline.c (remap_type_1): Likewise.
7648 * convert.c (convert_to_pointer, convert_to_real,
7649 convert_to_integer, convert_to_complex): Likewise.
7651 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7653 * df-scan.c (df_def_record_1): A set destination may
7654 be a parallel regardless of mode.
7656 2006-02-08 Roger Sayle <roger@eyesopen.com>
7658 PR target/22209
7659 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7660 * config/mips/_tilib.c: Remove.
7661 * config/fixtfdi.c: New libgcc source file.
7662 * config/fixunstfdi.c: New source file.
7663 * config/floatditf.c: New source file.
7664 * config/floatunditf.c: New souce file.
7665 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7666 files above instead of config/mips/_tilib.c.
7667 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7669 2006-02-08 Jeff Law <law@redhat.com>
7671 PR tree-optimization/26169
7672 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7673 threading jumps.
7675 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7677 * df.h (DF_REG_SIZE): Return the length of the initialized
7678 part of the array.
7680 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7682 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7683 __muldf3): Return a correctly signed zero.
7685 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7687 * passes.c (register_one_dump_file): Accept the current properties
7688 instead of pass number. Adjust call to dump_register. Remove
7689 duplicated code.
7690 (register_dump_files): Now a wrapper around...
7691 (register_dump_files_1): ... this one. Do not modify the pass
7692 structure.
7693 (next_pass_1): Cosmetic fix.
7694 (execute_todo): Keep second parameter only. Use curr_properties
7695 instead of fetching it from the pass structure. Check and set
7696 last_verified.
7697 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7698 instead of fetching it from the pass structure. Fix calls to
7699 execute_todo. Update curr_properties and initialize .vcg RTL dump
7700 after running the pass. Reset last_verified.
7701 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7702 at the beginning.
7703 (FIRST_AUTO_NUMBERED_DUMP): New.
7704 (dump_register): Remove "num" parameter, assign it within the
7705 function.
7706 (get_dump_file_name): Modify template for dumps.
7707 * tree-dump.h (dump_register): Adjust prototype.
7708 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7709 (PROP_trees): Add PROP_gimple_lomp.
7710 (TODO_set_props): New.
7711 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7712 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7713 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7715 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7717 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7718 (sparc64-*-linux*): Likewise.
7719 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7720 * config/sparc/t-linux: New file.
7721 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7722 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7723 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7724 -m32 -mlong-double-128.
7726 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7727 * config/alpha/t-linux: New file.
7728 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7730 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7731 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7732 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7733 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7734 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7735 (CPP_ARCH32_SPEC): Remove.
7737 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7739 PR tree-optimization/26145
7740 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7741 bbs pointer.
7743 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7745 PR target/26109
7746 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7747 >= 240000 when generating code for SOM runtime.
7748 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7749 to $$dyncall when generating code for SOM runtime..
7751 2006-02-07 Dirk Mueller <dmueller@suse.com>
7753 PR c++/18150
7754 * doc/invoke.texi (-Wsequence-point): Update documentation
7755 that -Wsequence-point is implemented for C++ as well.
7757 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7759 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7760 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7761 (LIB_SPEC): Likewise.
7762 * doc/invoke.texi (SPARC options): Document -pthread.
7764 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7766 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7767 PIC addresses.
7769 2006-02-07 Roger Sayle <roger@eyesopen.com>
7771 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7772 Correct comment describing BOOLEAN_TYPE.
7774 2006-02-07 Dirk Mueller <dmueller@suse.com>
7776 * c.opt: C++ frontend supports -Wdiv-by-zero.
7777 * c-opts.c (c_common_handle_option): Remove dead case.
7779 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7781 * configure.ac (TLS assembler check): Do not enable TLS by
7782 default on SPARC/Solaris before version 10.
7783 * configure: Regenerate.
7785 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7787 * doc/invoke.texi (xl-compat): Document conversion and support
7788 routine names.
7790 2006-02-07 Jeff Law <law@redhat.com>
7792 * tree-vrp.c (find_conditional_asserts): Update comments.
7793 (simplify_stmt_for_jump_threading): New.
7794 (identify_jump_threads, finalize_jump_threads): New.
7795 (vrp_finalize): Call identify_jump_threads.
7796 (execute_vrp): Call finalize_jump_threads.
7797 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7798 (vrp_element, vrp_data, vrp_element_p): Remove.
7799 (vrp_hash_elt, vrp_variables_stack): Remove.
7800 (vrp_hash, vrp_eq, record_range): Remove.
7801 (simplify_cond_and_lookup_avail_expr): Remove.
7802 (extract_range_from_cond): Remove.
7803 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7804 (simplify_stmt_for_jump_threading): New.
7805 (dom_thread_across_edge): New wrapper.
7806 (tree_ssa_dominator_optimize): No longer initialize or
7807 finalize any of the VRP datastructures. Remove iteration
7808 step and simplify as a result of removal of iteration step.
7809 (pass_dominator): Perform a cfg cleanup after DOM.
7810 (dom_opt_finalize_block): Use the new common routines
7811 for threading jumps. Simplify stack management slightly.
7812 No longer need to unwind VRP state.
7813 (record_equivalences_from_incoming_edge): No longer record
7814 VRP information.
7815 (eliminate_redundant_computations): No longer call
7816 simplify_cond_and_lookup_avail_expr.
7817 * tree-flow.h (potentially_threadable_block): Prototype.
7818 (thread_across_edge): Likewise.
7819 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7820 (tree-ssa-threadedge.o): Add dependencies.
7821 * tree-ssa-threadedge.c: New file.
7822 * passes.c (init_optimization_passes): Merge PHIs before
7823 calling VRP. Run VRP again late in the SSA optimization pipeline.
7825 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7827 * df-core.c (df_set_blocks): Do not dereference function pointers.
7828 (df_finish1): Likewise.
7829 (df_hybrid_search_forward): Likewise.
7830 (df_hybrid_search_backward): Likewise.
7831 (df_iterative_dataflow): Likewise.
7832 (df_analyze_problem): Likewise.
7833 (df_compact_blocks): Likewise.
7834 (df_dump): Likewise.
7835 * df-scan.c (df_rescan_blocks): Likewise.
7836 (df_record_entry_block_defs): Likewise.
7838 * genconditions.c (write_conditions): Guard the definition of
7839 'insn_conditions' with the check on GCC version.
7840 (write_writer): Guard the traversal 'insn_conditions' with
7841 the check on GCC version.
7843 2006-02-07 Richard Guenther <rguenther@suse.de>
7845 PR c++/26140
7846 Revert
7847 2006-01-30 Richard Guenther <rguenther@suse.de>
7848 PR c++/23372
7849 * gimplify.c (gimplify_target_expr): Handle easy cases
7850 without creating a temporary.
7852 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7854 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7855 use of float in probability computations. Use edge probabilities
7856 in place of statically computed probabilities.
7857 (min_spec_prob): New static variable.
7858 (schedule_insns): Initialize it.
7859 (GET_SRC_PROB): Removed.
7860 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7862 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7864 PR debug/24444
7865 * config/ia64/unwind-ia64.c: Revert last change.
7866 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7867 (INCOMING_FRAME_SP_OFFSET): Define.
7869 2006-02-06 Roger Sayle <roger@eyesopen.com>
7871 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7873 2006-02-07 Ben Elliston <bje@au.ibm.com>
7875 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7876 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7877 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7878 (ix86_return_in_memory): Handle TDmode.
7879 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7880 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7882 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7884 * reorg.c (dbr_schedule): Use dump_file instead of file.
7886 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7888 PR target/25917
7889 * config/ia64/predicates.md (extr_len_operand): New predicate.
7890 * config/ia64/ia64.md (extv): Tighten constraints.
7891 (extzv): Ditto.
7892 (*tbit_and_2): Ditto.
7893 (*tbit_and_3): Ditto.
7894 (*tbit_or_2): Ditto.
7895 (*tbit_or_3): Ditto.
7896 (*bit_zero): Ditto.
7897 (*bit_one): Ditto.
7899 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7901 PR target/23359
7902 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7904 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7906 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7907 loop_optimizer_init and loop_optimizer_finalize
7908 * tree-ssa-sink.c (execute_sink_code): Ditto.
7909 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7910 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7911 tree_ssa_loop_done): Ditto.
7912 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7913 * sched-ebb.c: Include output.h.
7914 (schedule_ebbs): Do not use dump argument.
7915 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7916 * loop.c (loop_dump_stream): Removed.
7917 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7918 argument.
7919 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7920 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7921 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7922 loop_iterations, strength_reduce, record_biv, record_giv,
7923 final_giv_value, check_final_value, check_ext_dependent_givs,
7924 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7925 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7926 dump_file instead of loop_dump_stream.
7927 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7928 argument dump_file.
7929 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7930 dump argument.
7931 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7932 * haifa-sched.c: Include output.h
7933 (schedule_insns, sched_init): Do not use dump argument.
7934 * mode-switching.c (optimize_mode_switching): Ditto.
7935 * modulo-sched.c (stats_file): Removed.
7936 (print_node_sched_params): Do not call argument dump_file.
7937 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7938 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7939 of stats_file.
7940 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7941 use dump argument.
7942 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7943 rtl_loop_init, rtl_loop_done): Ditto.
7944 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7945 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7946 Ditto.
7947 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7948 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7949 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7950 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7951 * emit-rtl.c (renumber_insns): Ditto.
7952 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7953 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7954 * regclass.c (regclass): Ditto.
7955 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7956 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7957 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7958 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7959 Ditto.
7960 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7961 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7962 to regclass.
7963 * gcse.c (gcse_file, debug_stderr): Removed.
7964 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7965 rest_of_handle_gcse): Do not use dump argument.
7966 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7967 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7968 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7969 compute_code_hoist_vbeinout, compute_code_hoist_data,
7970 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7971 compute_store_table, build_store_vectors, insert_insn_start_bb,
7972 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7973 store_motion): Use dump_file instead of gcse_file.
7974 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7975 * profile.c (profile_dump_file): Removed.
7976 (branch_prob): Use dump_file instead of profile_dump_file.
7977 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7978 dump_file.
7979 * tree-ssa-copy.c (dump_copy_of): Ditto.
7980 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7981 dump file to life_analysis.
7982 * bt-load.c (branch_target_load_optimize): Ditto.
7983 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7984 renumber_insns.
7985 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7986 regclass, dbr_schedule): Declaration changed.
7987 * sched-int.h (sched_init): Declaration changed.
7988 * tree-profile.c (tree_profile_dump_file): Removed.
7989 (tree_profile_hooks): Removed profile_dump_file hook.
7990 * rtl-profile (rtl_profile_dump_file): Removed.
7991 (rtl_profile_hooks): emoved profile_dump_file hook.
7992 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7993 changed.
7994 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7995 * tree-cfg.c (build_tree_cfg): Ditto.
7996 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7997 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7998 Declaration changed.
7999 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8000 life_analysis and schedule_insns.
8001 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8002 life_analysis.
8003 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8004 dbr_schedule.
8005 * config/mips/mips.c (mips_reorg): Ditto.
8006 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8007 schedule_ebbs.
8009 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8011 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8012 (s390_mangle_fundamental_type): New.
8013 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8014 Define.
8016 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8017 (alpha_mangle_fundamental_type): New.
8018 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8019 Define.
8021 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8022 Define.
8023 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8024 Define.
8025 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8026 (sparc_mangle_fundamental_type): New.
8028 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8030 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8031 (s390x-*-linux*): Likewise.
8032 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8033 * config/s390/t-linux: New file.
8035 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8037 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8038 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8040 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8042 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8043 (ANTIC_SAFE_LOADS): New macro.
8044 (find_or_generate_expression): Add prototype.
8045 (set_contains_value): Allow null set for sake of not always having
8046 to allocate ANTIC_SAFE_LOADS.
8047 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8048 Allow COMPONENT_REF too.
8049 (valid_in_set): Allow COMPONENT_REF.
8050 Check ANTIC_SAFE_LOADS too.
8051 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8052 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8053 rename.
8054 (can_PRE_operation): Add COMPONENT_REF.
8055 (create_component_ref_by_pieces): New function.
8056 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8057 (insert_aux): Move AGGREGATE_TYPE_P check here.
8058 (compute_avail): Set bb local stmt uids.
8059 (pass_pre): Use TODO_update_ssa_only_virtuals.
8061 2006-02-06 Ben Elliston <bje@au.ibm.com>
8063 * configure.ac: Unconditionally disable decimal float by default.
8064 * configure: Regenerate.
8066 2006-02-06 Ben Elliston <bje@au.ibm.com>
8068 * read-rtl.c (read_name): Terminate reading on EOF.
8070 2006-02-06 Ben Elliston <bje@au.ibm.com>
8072 * dfp.c (decimal_real_arithmetic): Change second argument type
8073 from int to enum tree_code. Do not always return true, but now
8074 return result of any call to decimal_do helper functions.
8075 * dfp.h (decimal_real_arithmetic): Update prototype.
8077 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8079 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8081 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8083 PR tree-opt/25251
8084 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8085 forced labels.
8087 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8089 * tree-vrp.c (cfg_loops): Removed.
8090 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8091 Use current_loops instead of cfg_loops. Pass flags to
8092 loop_optimizer_init.
8093 * cfgloopmanip.c (fix_loop_structure): Update only available
8094 information.
8095 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8096 loop_optimizer_init.
8097 * modulo-sched.c (build_loops_structure): Removed.
8098 (sms_schedule): Use loop_optimizer_init.
8099 * loop-init.c (loop_optimizer_init): Use flags to determine
8100 which properties of loops to prepare.
8101 (rtl_loop_init): Pass flags to loop_optimizer_init.
8102 * tree-ssa-sink.c (execute_sink_code): Ditto.
8103 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8104 * tree-ssa-pre.c (init_pre): Ditto.
8105 * cfgloop.h (LOOPS_NORMAL): New.
8106 (loop_optimizer_init): Declaration changed.
8108 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8110 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8111 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8112 pa/t-pa.
8113 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8114 pa/t-pa.
8115 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8116 pa/x-ada.
8117 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8118 * pa/t-pa64: Delete quadlib.c rule.
8119 * pa/x-ada: Revert last change.
8120 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8122 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8124 PR rtl-optimization/26087
8125 * rtlanal.c (canonicalize_condition): Do not cross basic block
8126 boundaries.
8128 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8130 PR debug/24444
8131 * config/ia64/ia64.c: Include debug.h.
8132 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8133 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8134 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8135 (process_epilogue, process_set, process_for_unwind_directive):
8136 Output unwind info only if requested. Add CFA info if requested.
8137 Add new arguments as needed. Adjust callers.
8138 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8139 incorrect default.
8140 (DWARF2_FRAME_INFO): Define to zero.
8141 * config/ia64/unwind-ia64.c: Remove code that compensated for
8142 the CFA offset error fixed above.
8143 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8144 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8145 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8146 -funwind-tables and -fexceptions to enable frame info.
8147 (dwarf2out_frame_init): Define initial CFA even if
8148 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8149 DWARF2_UNWIND_INFO is nonzero, not just defined.
8150 (dwarf2out_frame_finish): Output non-EH call frame info only
8151 if DWARF2_FRAME_INFO is nonzero.
8152 (convert_cfa_to_loc_list,
8153 compute_frame_pointer_to_cfa_displacement): Define even if
8154 unwind info is not supported.
8155 (gen_subprogram_die): Use the above unconditionally. Remove
8156 legacy alternate code.
8157 * toplev.c (compile_file): Compile in call to
8158 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8159 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8161 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8162 Jakub Jelinek <jakub@redhat.com>
8164 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8165 IBM extended float format long double as "g" on powerpc*-linux.
8167 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8169 PR target/25926
8170 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8171 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8173 2006-02-03 Jason Merrill <jason@redhat.com>
8175 PR c++/25979
8176 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8178 PR middle-end/25977
8179 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8180 on the return slot if it's an NRV.
8182 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8184 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8185 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8186 rewrite_use): Do not handle USE_OUTER.
8187 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8188 add_iv_outer_candidates, may_replace_final_value,
8189 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8190 (find_interesting_uses_op): Functionality of
8191 find_interesting_uses_outer_or_nonlin moved here.
8192 (find_interesting_uses_outside): Use find_interesting_uses_op.
8194 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8196 PR target/25960
8197 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8199 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8200 Ulrich Weigand <uweigand@de.ibm.com>
8202 PR target/25864
8203 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8204 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8205 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8206 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8207 and dxr fields.
8208 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8209 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8210 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8211 Define secondary reloads for TFmode moves.
8212 (constant_modes): Add TFmode.
8213 (NR_C_MODES): Set to 8.
8214 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8215 builtin define.
8216 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8217 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8218 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8219 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8220 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8221 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8222 (FPR mode macro): Add TFmode.
8223 (DSF mode macro): New.
8224 (<de>, <dee> mode attributes): Removed.
8225 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8226 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8227 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8228 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8229 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8230 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8231 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8232 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8233 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8234 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8235 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8236 "*negabs<mode>2", "sqrt<mode>2"):
8237 Changed <de> to <xde>. R constraint replaced by <Rf>.
8238 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8239 <Rf>.
8240 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8241 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8242 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8243 splitters.
8244 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8245 "extenddftf2", "extendsftf2"): New expanders.
8246 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8247 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8248 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8249 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8250 New options.
8251 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8252 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8253 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8254 __floatditf): Add a GCC_4.1.0 symbol version tag.
8255 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8256 the new options.
8258 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8260 PR target/25377
8261 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8262 Use targetm.binds_local_p instead of TREE_PUBLIC.
8264 2006-02-02 Roger Sayle <roger@eyesopen.com>
8266 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8267 on INTEGER_TYPEs to indicate that it denotes a character type.
8268 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8269 signed_char_type_node, unsigned_char_type_node and char_type_node.
8270 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8271 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8272 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8274 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8275 Daniel Berlin <dberlin@dberlin.org>
8277 * tree-tailcall.c (arg_needs_copy_p): New function.
8278 (eliminate_tail_call): Use arg_needs_copy_p.
8279 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8280 (add_virtual_phis): New function.
8282 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8284 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8285 #ignore instead of #scratch for %g7 .register directive.
8287 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8289 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8290 object files.
8292 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8294 * flow.c (calculate_global_regs_live): Assert that there aren't any
8295 EDGE_FAKE edges.
8297 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8299 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8300 what its name says.
8301 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8302 bsi_after_labels iterator.
8303 * tree-if-conv.c (find_phi_replacement_condition,
8304 replace_phi_with_cond_modify_expr): Likewise.
8305 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8306 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8308 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8310 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8312 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8314 PR 25990
8315 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8316 array after growing it.
8318 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8320 PR middle-end/24901
8321 * fold-const.c (fold_checksum_tree): Change type of buf.
8323 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8325 * reload.c (push_secondary_reload): Initialize t_icode.
8327 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8329 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8330 -msoft-float -mlong-double-128 only issue a warning, but don't
8331 swich to DFmode long double.
8333 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8335 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8336 has a constant equivalent, iterate over equivalents for arg0,
8337 calling simplify_relational_operation and if there's a result
8338 cheaper than X, apply fold_rtx and return the result.
8340 2006-02-01 Jan Hubicka <jh@suse.cz>
8342 * opts.c (no_unit_at_a_time_default): New global variable.
8343 (decode_options): Use it.
8344 * opts.h (no_unit_at_a_time_default): Declare.
8346 2006-02-01 Paul Brook <paul@codesourcery.com>
8348 * function.c (assign_parm_setup_reg): Use function argument promotion
8349 rules.
8350 * expr.c (expand_expr_real_1): Use function argument promotion rules
8351 for PARM_DECLs.
8353 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8355 * gcc.c (process_command): Change j to 'unsigned int'.
8357 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8359 PR middle-end/26001
8360 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8361 Use the corrected index for the character
8362 out of the string constant.
8364 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8366 * mode-switching.c (optimize_mode_switching): Fix size
8367 allocated for bb_info[n_entities].
8369 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8371 * gcc.c (main): Correct type that is allocated for
8372 explicit_link_files.
8374 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8376 * config/s390/s390.c (init_alignment_context): Set
8377 ALIAS_SET_MEMORY_BARRIER on the MEM.
8378 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8380 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8382 PR middle-end/25933
8383 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8384 dom_bbs pointer.
8385 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8386 call to tpa_init.
8388 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8390 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8391 * regrename.c: Ditto.
8392 * tree-ssa-loop-im.c: Ditto.
8393 * tree-dump.c: Ditto.
8394 * tree-complex.c: Ditto.
8395 * genrecog.c: Ditto.
8396 * tree-ssa-threadupdate.c: Ditto.
8397 * tracer.c: Ditto.
8398 * java/class.c: Ditto.
8399 * java/jcf-parse.c: Ditto.
8400 * java/resource.c: Ditto.
8401 * java/except.c: Ditto.
8402 * java/jvspec.c: Ditto.
8403 * java/jcf-write.c: Ditto.
8404 * java/jcf-path.c: Ditto.
8405 * java/gjavah.c: Ditto.
8406 * java/zextract.c: Ditto.
8407 * java/jcf-io.c: Ditto.
8408 * java/jcf.h: Ditto.
8409 * java/buffer.c: Ditto.
8410 * java/lang.c: Ditto.
8411 * java/parse-scan.y: Ditto.
8412 * java/lex.c: Ditto.
8413 * java/lex.h: Ditto.
8414 * cfgloopmanip.c: Ditto.
8415 * postreload-gcse.c: Ditto.
8416 * tree-ssa-loop-manip.c: Ditto.
8417 * postreload.c: Ditto.
8418 * tree-ssa-loop-ch.c: Ditto.
8419 * loop.c: Ditto.
8420 * ipa-cp.c: Ditto.
8421 * cppspec.c: Ditto.
8422 * diagnostic.c: Ditto.
8423 * final.c: Ditto.
8424 * genoutput.c: Ditto.
8425 * gcc.c: Ditto.
8426 * cfghooks.c: Ditto.
8427 * cfgloopanal.c: Ditto.
8428 * objc/objc-act.c: Ditto.
8429 * gcov.c: Ditto.
8430 * genextract.c: Ditto.
8431 * genautomata.c: Ditto.
8432 * pretty-print.c: Ditto.
8433 * genemit.c: Ditto.
8434 * cgraphunit.c: Ditto.
8435 * flow.c: Ditto.
8436 * df-scan.c: Ditto.
8437 * haifa-sched.c: Ditto.
8438 * dominance.c: Ditto.
8439 * dbxout.c: Ditto.
8440 * tree-ssa-loop-ivopts.c: Ditto.
8441 * df-core.c: Ditto.
8442 * mode-switching.c: Ditto.
8443 * modulo-sched.c: Ditto.
8444 * graph.c: Ditto.
8445 * ipa-pure-const.c: Ditto.
8446 * cse.c: Ditto.
8447 * fix-header.c: Ditto.
8448 * web.c: Ditto.
8449 * tree-stdarg.c: Ditto.
8450 * ipa-utils.c: Ditto.
8451 * loop-init.c: Ditto.
8452 * ipa-inline.c: Ditto.
8453 * cfganal.c: Ditto.
8454 * global.c: Ditto.
8455 * alloc-pool.c: Ditto.
8456 * dwarf2out.c: Ditto.
8457 * opts.c: Ditto.
8458 * genattrtab.c: Ditto.
8459 * tree-ssa-loop-ivcanon.c: Ditto.
8460 * predict.c: Ditto.
8461 * timevar.c: Ditto.
8462 * lcm.c: Ditto.
8463 * fortran/gfortranspec.c: Ditto.
8464 * regmove.c: Ditto.
8465 * local-alloc.c: Ditto.
8466 * langhooks.c: Ditto.
8467 * function.c: Ditto.
8468 * tree-vectorizer.c: Ditto.
8469 * gcse.c: Ditto.
8470 * ipa-type-escape.c: Ditto.
8471 * alias.c: Ditto.
8472 * tree-if-conv.c: Ditto.
8473 * profile.c: Ditto.
8474 * ipa.c: Ditto.
8475 * tree-data-ref.c: Ditto.
8476 * loop-unroll.c: Ditto.
8477 * treelang/treetree.c: Ditto.
8478 * calls.c: Ditto.
8479 * bt-load.c: Ditto.
8480 * ggc-common.c: Ditto.
8481 * except.c: Ditto.
8482 * coverage.c: Ditto.
8483 * cselib.c: Ditto.
8484 * tree-cfgcleanup.c: Ditto.
8485 * tree-ssa-pre.c: Ditto.
8486 * cfgcleanup.c: Ditto.
8487 * loop-invariant.c: Ditto.
8488 * loop-iv.c: Ditto.
8489 * ipa-prop.c: Ditto.
8490 * print-tree.c: Ditto.
8491 * conflict.c: Ditto.
8492 * ggc-page.c: Ditto.
8493 * sched-deps.c: Ditto.
8494 * regclass.c: Ditto.
8495 * tree-object-size.c: Ditto.
8496 * combine.c: Ditto.
8497 * bb-reorder.c: Ditto.
8498 * resource.c: Ditto.
8499 * var-tracking.c: Ditto.
8500 * cfgloop.c: Ditto.
8501 * df-problems.c: Ditto.
8502 * reg-stack.c: Ditto.
8503 * tlink.c: Ditto.
8504 * gccspec.c: Ditto.
8505 * sched-rgn.c: Ditto.
8506 * tree-ssa-structalias.c: Ditto.
8507 * tree-ssa-reassoc.c: Ditto.
8508 * config/darwin-c.c: Ditto.
8509 * config/darwin.c: Ditto.
8510 * config/arm/arm.c: Ditto.
8511 * cfgrtl.c: Ditto.
8512 * collect2.c: Ditto.
8513 * reload1.c: Ditto.
8515 2006-01-31 Nicolas Pitre <nico@cam.org>
8517 * arm.md (smaxsi3): Make aware of smax_m1.
8518 (smax_m1): New.
8520 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8522 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8524 2006-01-31 Richard Guenther <rguenther@suse.de>
8526 * doc/invoke.texi (-msselibm): Document.
8527 * target.h (expand_library_builtin): New target hook.
8528 * builtins.c (expand_builtin): Use expand_library_builtin.
8529 (default_expand_library_builtin): New function.
8530 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8531 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8532 (link_gcc_math_spec): Declare.
8533 (static_specs): Add link_gcc_math_spec.
8534 * expr.h (default_expand_library_builtin): Declare.
8535 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8536 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8537 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8538 * config/i386/i386.opt (msselibm): New target option.
8539 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8540 (ix86_init_sse_abi_builtins): New function.
8541 (ix86_expand_library_builtin): Likewise.
8542 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8543 (override_options): Handle error conditions wrt -msselibm.
8544 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8545 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8546 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8547 builtins.
8549 2006-01-31 Richard Guenther <rguenther@suse.de>
8550 Paolo Bonzini <bonzini@gnu.org>
8552 * doc/install.texi (--disable-libgcc-math): Document.
8554 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8556 * expr.h (expand_normal): new inline function.
8557 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8558 * dojump.c: use it.
8559 * dwarf2out.c: use it.
8560 * expr.c: use it.
8561 * calls.c: use it.
8562 * expmed.c: use it.
8563 * except.c: use it.
8564 * config/sparc/sparc.c: use it.
8565 * config/i386/i386.c: use it.
8566 * config/rs6000/rs6000.c: use it.
8567 * config/arm/arm.c: use it.
8568 * config/mips/mips.c: use it.
8569 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8571 2006-01-30 Roger Sayle <roger@eyesopen.com>
8573 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8574 argv to the appropriate type.
8576 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8578 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8579 unreachable code.
8581 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8583 PR target/26018
8584 * config/s390/s390.c (struct machine_function): New flag
8585 decomposed_literal_pool_addresses_ok_p.
8586 (s390_reorg): Set it before final stage of literal pool transforms.
8587 (s390_decompose_address): Only accept displacements of the form
8588 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8590 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8592 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8593 the comparison routine return.
8595 2006-01-30 Michael Matz <matz@suse.de>
8597 * global.c (find_reg): Only evict for global regs.
8598 Take n_refs into account and dump more info.
8600 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8602 PR target/14798:
8603 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8604 (pragma_trap, pragma_nosave_low_regs): Likewise.
8605 (current_function_anonymous_args): Likewise.
8606 (sh_deferred_function_attributes): New variable.
8607 (sh_deferred_function_attributes_tail): Likewise.
8608 (print_operand): For '@', look up trap_exit attribute.
8609 (calc_live_regs): Look up trapa_handler attribute. For trapa
8610 handlers, save/restore fpscr, but don't do any other
8611 interrupt-specific saves.
8612 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8613 Fix check for partially saved registers to check for SHmedia.
8614 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8615 (sh_output_function_epilogue): Don't clear any of the removed
8616 variables.
8617 (sh_insert_attributes): Don't check pragma_interrupt.
8618 Insert deferred attributes. Check that interrupt attribute is
8619 present for other attributes that require its presence.
8620 (sh_attribute_table): Add new attributes trapa_handler and
8621 nosave_low_regs.
8622 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8623 Don't check for pragma_interrupt. Don't store argument.
8624 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8625 (sh_deferred_function_attributes): Declare.
8626 (sh_deferred_function_attributes_tail): Likewise.
8627 * sh.md (sp_switch_1): Add operand. Change generator caller.
8628 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8629 (*return_i): Don't use when trap_exit attribute is in effect.
8630 (*return_trapa): New insn pattern.
8631 * sh-c.c: New file.
8632 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8633 setting c_target_objs and cxx_target_objs.
8634 * t-sh: Add rule for sh-c.o.
8636 2006-01-30 Richard Guenther <rguenther@suse.de>
8638 PR c++/23372
8639 * gimplify.c (gimplify_target_expr): Handle easy cases
8640 without creating a temporary.
8642 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8644 * vec.h (safe_grow): Remove duplicated line.
8646 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8648 PR 25874
8649 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8650 (expand_omp): ... here.
8651 (expand_omp_parallel): Only remove barriers for combined
8652 parallel+workshare constructs.
8654 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8656 Revert
8658 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8659 * tree.c (build_qualified_type): Chain the new type to the original
8660 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8661 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8662 (build_pointer_type_for_mode): Only return unqualified types.
8663 (build_reference_type_for_mode): Likewise.
8665 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8667 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8668 * Makefile.in (CXX_COMPAT_WARN): Define.
8669 * configure: Regenerate.
8671 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8673 PR tree-opt/25911
8674 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8675 to an if check.
8677 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8679 * toplev.c: Fix thinko.
8681 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8682 Marcin Dalecki <martin@dalecki.de>
8684 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8685 (push_srcloc): Use XNEW.
8686 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8688 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8690 * df-core.c (df_set_blocks): Deleted all variable.
8692 2006-01-28 Ian Lance Taylor <ian@airs.com>
8694 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8695 cgraph_output_pending_asms.
8697 2006-01-28 Zack Weinberg <zackw@panix.com>
8699 * c.opt: Add -W(no-)overlength-strings.
8700 * doc/invoke.texi: Document it.
8701 * c-opts.c (c_common_handle_option): -pedantic implies
8702 -Woverlength-strings, if not explicitly disabled already.
8703 (c_common_post_options): -Woverlength-strings defaults to off, and
8704 is always off for C++.
8705 * c-common.c (fix_string_type): Issue warning about strings longer
8706 than is portable only if warn_overlength_strings. Rearrange code
8707 a little for clarity.
8708 * configure.in: Check for -Wno-overlength-strings as well before
8709 enabling -pedantic in stage 1.
8710 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8711 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8713 * genconditions.c (write_header, write_one_condition)
8714 (write_conditions, write_writer): Consolidate very long strings
8715 that were broken up to fit in C89 portable limit. Don't use
8716 printf when fputs will do.
8718 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8720 * combine.c (simplify_comparison <AND>): Check
8721 TRULY_NOOP_TRUNCATION before start using a subreg.
8723 * config/mips/mips.md (*branch_zero<mode>,
8724 *branch_zero<mode>_inverted, *branch_equality<mode>,
8725 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8726 Remove mode check from comparisons.
8728 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8730 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8732 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8734 * expmed.c (const_mult_add_overflow_p): Remove.
8735 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8737 * recog.c (validate_replace_rtx_subexp): Remove.
8738 * recog.h: Remove the prototype for
8739 validate_replace_rtx_subexp.
8741 * integrate.h: Remove the prototype for
8742 copy_decl_for_inlining.
8743 * rtl.h: Remove the prototype for mark_constant_function.
8744 * tree-vectorizer.h: Remove the prototype for
8745 vect_strip_conversion.
8747 * modulo-sched.c (create_partial_schedule,
8748 free_partial_schedule, reset_partial_schedule): Make them
8749 static.
8751 * hooks.c (hook_bool_rtx_int_false): Remove.
8752 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8754 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8756 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8757 and -mlong-double-128 are incompatible.
8758 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8759 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8760 (TARGET_LIBGCC2_CFLAGS): Define.
8761 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8762 (TARGET_LIBGCC2_CFLAGS): Same.
8763 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8765 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8767 PR c/19606.
8768 * c-typeck.c (build_binary_op): Perform implicit casts of
8769 operands before shortening them.
8771 * cfgloopmanip.c (split_loop_bb): Remove.
8772 * cfgloop.h: Remove the prototype for split_loop_bb.
8774 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8775 * cfgloop.h: Remove the prototype for
8776 flow_loop_outside_edge_p.
8778 * emit-rtl.c (init_virtual_regs): Make it static.
8779 * function.h: Remove the prototype for init_virtual_regs.
8781 * recog.c (peephole2_optimize): Make it static.
8782 * recog.h: Remove the prototype for peephole2_optimize.
8784 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8786 * df-scan.c (df_record_entry_block_defs): Check if
8787 INCOMING_RETURN_ADDR_RTX is defined.
8789 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8790 Kenneth Zadeck <zadeck@naturalbridge.com>
8792 PR rtl-optimization/24762
8793 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8794 * targhooks.c (hook_void_bitmap): New hook prototype.
8795 * targhoohs.h (hook_void_bitmap): Ditto.
8796 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8797 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8798 * target.h (live_on_entry): New function pointer.
8799 * df-scan.c (df_all_hard_regs): Removed.
8800 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8801 (df_scan_free_internal): Added df->entry_block_defs.
8802 (df_scan_alloc): Ditto.
8803 (df_scan_dump): Ditto.
8804 (df_uses_record): Plumbed flag field properly thru calls.
8805 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8806 This part fixes PR24762.
8807 (df_bb_refs_record): Added code to make the frame and arg
8808 pointers live in EH blocks.
8809 (df_refs_record): Added call to df_record_entry_block_defs.
8810 (df_record_entry_block_defs): New function.
8811 * df-core.c: Added comments to describe new artifical defs.
8812 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8813 (entry_block_defs): New field in struct df.
8814 (df_all_hard_regs): Deleted.
8815 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8816 * df-problems.c (df_ru_bb_local_compute_process_def):
8817 Added code to handle artifical defs in the entry to a function.
8818 (df_ru_bb_local_compute): Ditto.
8819 (df_rd_bb_local_compute_process_def): Ditto.
8820 (df_rd_bb_local_compute): Ditto.
8821 (df_lr_bb_local_compute): Ditto.
8822 (df_ur_bb_local_compute): Ditto.
8823 (df_urec_bb_local_compute): Ditto.
8824 (df_chain_create_bb): Ditto.
8825 (df_ur_local_finalize): Removed entry.
8826 (df_urec_init): Ditto.
8827 (df_urec_local_finalize): Ditto.
8828 (df_ri_bb_compute): Added detection of last use of pseudos.
8829 * Makefile.in (df-scan.o): Updated dependencies.
8830 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8831 * config/mips/mips.c (mips_set_live_on_entry): Added.
8832 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8833 for target hook.
8834 * dce.c (marked_insn_p): Added code to handle artifical defs.
8836 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8838 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8839 intrinsic.
8840 (_mm_cvtsi128_si64): Likewise.
8841 (_mm_cvtsd_si64): Likewise.
8842 (_mm_cvttsd_si64): Likewise.
8843 (_mm_cvtsi64_sd): Likewise.
8844 (_mm_cvtsi64_si128): Likewise.
8845 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8846 (_mm_cvtsi64_m64): Likewise.
8847 (_m_to_int64): Likewise.
8848 (_mm_cvtm64_si64): Likewise.
8849 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8850 (_mm_cvttss_si64): Likewise.
8851 (_mm_cvtsi64_ss): Likewise.
8852 (_mm_cvtss_f32): Likewise.
8854 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8856 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8857 for pragma redefine_extname.
8859 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8861 PR target/25864
8862 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8863 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8864 -mno-minimal-toc to previous content.
8865 (bispecs): Remove goal.
8866 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8867 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8868 compatibility aliases on powerpc-*-*gnu*.
8869 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8870 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8871 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8872 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8873 (ldblspecs): New goal.
8874 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8875 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8876 _df_to_tf.
8877 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8878 L_sf_to_tf or L_df_to_tf is defined.
8880 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8881 Alan Modra <amodra@bigpond.net.au>
8883 PR target/25864
8884 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8885 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8886 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8887 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8888 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8889 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8890 (rs6000_override_options): Initialize rs6000_ieeequad.
8891 Initialize TFmode format to ibm_extended_format if not
8892 TARGET_IEEEQUAD.
8893 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8894 ieeelongdouble.
8895 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8896 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8897 (function_arg_advance): IBM long double passed in two FPRs, not
8898 split.
8899 (function_arg): IBM long double passed in FPRs.
8900 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8901 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8902 Only multireg GPR aligned.
8903 (rs6000_init_libfuncs): Enable IBM long double functions if not
8904 IEEEQUAD.
8905 (rs6000_generate_compare): Use IBM long double compare if not
8906 TARGET_IEEEQUAD.
8907 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8908 (TARGET_IEEEQUAD): Define.
8909 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8910 not TARGET_IEEEQUAD.
8911 * config/rs6000/rs6000.md: Enable TFmode patterns if
8912 !TARGET_IEEEQUAD.
8913 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8914 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8915 and -mlong-double-128 are incompatible.
8916 * doc/invoke.texi (-mabi): Collect options together. Add
8917 ibmlongdouble and ieeelongdouble.
8919 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8921 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8922 opaque type.
8923 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8924 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8925 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8926 * rtl.h (rtunion_def): Remove rt_ptr.
8927 (X0PTR): Delete.
8928 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8929 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8930 * config/i386/winnt.c (i386_pe_mark_dllexport)
8931 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8933 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8935 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8937 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8939 PR other/24829
8940 PR target/24831
8941 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8942 pthread_key_delete. From John David Anglin. gthrw-ify
8943 pthread_getunique_np only if it it's not a macro. Delete
8944 UNUSED macro.
8945 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8946 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8947 __gthread_objc_condition_signal, __gthread_key_delete): Add
8948 "__attribute__ ((__unused__))" to unused arguments.
8949 (__gthread_recursive_mutex_init_function): Add missing return.
8950 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8951 gthr-posix95.h: Use macro-based approach for name redirection
8952 on targets missing weakref.
8954 2006-01-26 Zack Weinberg <zackw@panix.com>
8956 * genconditions.c (write_header): In generated code, #ifdef out
8957 all includes and fake declarations, except includes of bconfig.h
8958 and system.h, unless GCC_VERSION >= 3001. Do not include
8959 gensupport.h in any case.
8960 (write_conditions): Generate a definition of struct c_test. Add
8961 a comment to the generated #endif.
8962 (write_one_condition): Escape backslashes in string too.
8963 (write_writer): Generated code must escape backslashes and quote
8964 marks (but not newlines) in the strings it writes.
8965 * Makefile.in (build/gencondmd.o): Update dependencies.
8967 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8969 PR target/25961
8970 * Makefile.in (insn-automata.o): Add header file dependencies.
8971 * genautomata.c: Add includes.
8973 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8975 PR target/25961
8976 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8978 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8980 * configure.ac: Expect target tools paths to be passed from the toplevel
8981 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8982 AS_SET_VAR_IF.
8983 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8985 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8987 PR c/25892
8988 * c.opt (Wpointer-sign): Init to -1.
8989 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8990 OPT_pedantic, to 0 otherwise.
8991 * doc/invoke.texi: Update.
8993 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8995 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8996 constants provided by 80387 instructions in the destination mode.
8998 2006-01-26 Richard Guenther <rguenther@suse.de>
8999 Andrew Pinski <pinskia@physics.uc.edu>
9001 PR tree-opt/21470
9002 partial PR tree-opt/17064
9003 * tree-ssa-structalias.c (intra_create_variable_infos):
9004 Create heap variables for incoming parameters if
9005 flag_argument_noalias > 1.
9006 (find_what_p_points_to): Look through default defs of
9007 parameter decls.
9009 2006-01-26 Jeff Law <law@redhat.com>
9011 PR ada/25900
9012 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9013 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9014 within the VR_RANGE, use the VR_RANGE as the result, not the
9015 VR_ANTI_RANGE.
9016 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9017 bounds for the type.
9019 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9021 * tree-ssa-alias.c (maybe_create_global_var): Change
9022 subvar walking to an assertion that we don't have subvar'd variables.
9024 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9026 PR C/25861
9027 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9028 Use a new variable, inner. PARM_DECLs are always non-weak.
9030 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9032 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9033 --disable-checking.
9035 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9037 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9039 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9041 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9042 (smax_insn, smin_insn, smax_0, smin_0): New.
9044 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9046 PR target/25947
9047 * config/cris/cris.c (cris_order_for_addsi3): New function.
9048 * config/cris/cris-protos.h: Prototype it.
9049 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9050 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9051 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9052 (split for "op.S1 [rx=rx+i],ry (swapped)")
9053 (split for "op(s|u).S1 [rx=rx+i],ry")
9054 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9055 Apply cris_order_for_addsi3 when generating addsi3 insns.
9057 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9059 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9060 (TREE_BLOCK): Add call to EXPR_CHECK.
9062 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9064 PR 25886
9065 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9066 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9067 (dump_omp_clauses): ... here.
9068 (dump_generic_node): Handle OMP_CLAUSE.
9069 * tree.c (omp_clause_num_ops): New.
9070 (omp_clause_code_name): New.
9071 (tree_code_size): Handle OMP_CLAUSE.
9072 (tree_size): Likewise.
9073 (make_node): Document handling of OMP_CLAUSE.
9074 (tree_node_structure): Handle OMP_CLAUSE.
9075 (omp_clause_check_failed): New.
9076 (omp_clause_range_check_failed): New.
9077 (omp_clause_operand_check_failed): New.
9078 (build_omp_clause): New.
9079 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9080 * tree.h (enum omp_clause_code): Declare.
9081 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9082 (OMP_CLAUSE_RANGE_CHECK): Define.
9083 (OMP_CLAUSE_ELT_CHECK): Define.
9084 (omp_clause_check_failed): Declare.
9085 (omp_clause_operand_check_failed): Declare.
9086 (omp_clause_range_check_failed): Declare.
9087 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9088 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9089 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9090 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9091 (OMP_CLAUSE_IF_EXPR): Likewise.
9092 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9093 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9094 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9095 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9096 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9097 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9098 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9099 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9100 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9101 (OMP_CLAUSE_CODE): Define.
9102 (OMP_CLAUSE_SET_CODE): Define.
9103 (OMP_CLAUSE_CODE): Define.
9104 (OMP_CLAUSE_OPERAND): Define.
9105 (struct tree_omp_clause): Declare.
9106 (union tree_node): Add field 'omp_clause'.
9107 * treestruct.def (TS_OMP_CLAUSE): Define.
9108 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9109 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9110 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9111 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9112 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9113 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9114 (OMP_CLAUSE): Define.
9115 * print-tree.c (print_node): Handle OMP_CLAUSE.
9116 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9117 * c-typeck.c: Likewise.
9118 * gimplify.c: Likewise.
9119 * c-omp.c: Likewise.
9120 * tree-nested.c: Likewise.
9121 * tree-inline.c: Likewise.
9122 * c-parser.c: Likewise.
9123 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9124 clauses.
9126 2006-01-25 Roger Sayle <roger@eyesopen.com>
9128 PR rtl-optimization/25703
9129 * combine.c (try_combine): Handle zero_extract and strict_low_part
9130 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9132 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9134 * global.c: Fix comment typos.
9136 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9138 PR target/25758
9139 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9140 Use output_addr_const instead of assemble_name.
9142 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9144 * Makefile.in (sched-vis.o): Update dependencies.
9145 * haifa-sched.c (sched_finish): Clear current_sched_info.
9146 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9147 (dump_flow_info): Call it.
9148 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9149 a slim RTL dump.
9150 * basic-block.h (dump_bb_info): Declare.
9151 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9152 option, and apply options only for dump files whose TDF_RTL,
9153 TDF_TREE, or TDF_IPA bits match.
9154 * rtl.h: Declare new functions exported from sched-vis.c.
9155 * sched-vis.c: Enable also if scheduling is not used.
9156 (print_value): Print the mode of registers if not inside scheduling.
9157 (print_insn): Make it work outside the scheduler. Beautify the output
9158 a bit.
9159 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9161 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9163 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9164 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9165 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9166 depending on the value of CONSTANT_POOL_ADDRESS_P.
9167 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9168 SYMBOL_REF_DECL.
9169 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9170 rather than SYMBOL_REF_DECL.
9171 (rtx_constant_pool): Remove const_rtx_sym_htab.
9172 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9173 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9174 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9175 Remove handling of const_rtx_sym_htab.
9176 (find_pool_constant): Delete.
9177 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9178 rather than find_pool_constant.
9179 (get_pool_constant_for_function): Delete.
9180 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9181 find_pool_constant.
9182 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9183 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9184 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9185 (SYMBOL_REF_CONSTANT): New macro.
9186 (get_pool_constant_for_function): Delete.
9187 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9188 rather than SYMBOL_REF_DECL.
9189 (i386_pe_mark_dllimport): Likewise.
9190 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9191 rather than SYMBOL_REF_DECL.
9192 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9193 (machopic_indirect_call_target): Likewise.
9195 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9197 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9199 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9201 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9203 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9205 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9207 2006-01-24 David Daney <ddaney@avtrex.com>
9209 PR java/25816
9210 * configure.ac (enable_tls): New enable option.
9211 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9212 * configure: Regenerate.
9213 * doc/install.texi (--enable-tls): Document new option.
9214 (--disable-tls): Ditto.
9216 2006-01-24 Richard Henderson <rth@redehat.com>
9218 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9219 * alias.c (true_dependence): Respect it.
9220 (canon_true_dependence, write_dependence_p): Likewise.
9221 * builtins.c (get_builtin_sync_mem): Set it.
9223 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9225 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9226 efficient way.
9228 2006-01-24 DJ Delorie <dj@redhat.com>
9230 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9231 for storing constants in single-bit bitfields.
9233 2006-01-25 Ben Elliston <bje@au.ibm.com>
9235 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9237 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9239 PR tree-opt/25860
9240 * tree-ssa-pre.c (phi_translate): Return NULL
9241 for AGGREGATE_TYPE's.
9243 2006-01-24 Zack Weinberg <zackw@panix.com>
9245 * genautomata.c (process_state_for_insn_equiv_partition):
9246 Use xcalloc for insn_arcs_array.
9247 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9248 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9250 2006-01-24 Richard Henderson <rth@redhat.com>
9252 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9253 update all callers.
9255 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9257 PR rtl-optimization/25890
9258 PR rtl-optimization/25905
9259 * combine.c (expand_compound_operation, expand_field_assignment):
9260 Fail if the bitfield's final position is out of bounds.
9262 2006-01-24 Ian Lance Taylor <ian@airs.com>
9264 PR middle-end/25930
9265 * cgraphunit.c (cgraph_output_in_order): Don't clear
9266 cgraph_asm_nodes until after asm strings have been output.
9268 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9270 * fix-header.c (read_scan_file): Add new parameter imultilib when
9271 calling register_include_chains.
9273 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9275 * omp-low.c: Update documentation.
9277 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9278 Daniel Berlin <dberlin@dberlin.org>
9280 PR tree-opt/25315
9281 PR tree-opt/25857
9282 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9283 return from the function.
9285 2006-01-22 Zack Weinberg <zackw@panix.com>
9287 * rtl.def (match_code): Add second argument.
9288 * genpreds.c (write_extract_subexp): New function.
9289 (write_match_code): Add path argument. Use write_extract_subexp.
9290 (write_predicate_expr): Pass path to write_match_code.
9291 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9292 not perform a mode test.
9293 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9294 a subexpression does not constrain the top-level code set.
9295 * read-rtl.c (read_rtx_variadic): New function.
9296 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9297 * doc/md.texi: Document new notation.
9298 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9299 (cmpsi_operand): ... here, using new notation.
9301 2006-01-22 Zack Weinberg <zackw@panix.com>
9303 * varray.c: Remove GENERATOR_FILE #ifdefs.
9305 2006-01-22 Zack Weinberg <zackw@panix.com>
9307 * genautomata.c (output_reserved_units_table): Emit nothing if
9308 description->query_units_num is zero. Remove extra blank line.
9309 (output_cpu_unit_reservation_p): Short circuit
9310 if description->query_units_num is zero.
9312 2006-01-22 Zack Weinberg <zackw@panix.com>
9314 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9315 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9316 nor any of the random handful of variables that used to be necessary
9317 when this program was linked with rtlanal.o. Prune set of forward
9318 function declarations.
9319 (struct attr_desc): Remove static_p field.
9320 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9321 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9322 (attr_string): Do not read the character one past the length of
9323 the string.
9324 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9325 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9326 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9327 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9328 (make_automaton_attrs): New.
9329 (main): Do not call into genautomata. Call local gen_bypass
9330 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9331 Remove special case for insn_alts.
9332 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9333 varray.h (leftover from previous change). Prune set of forward
9334 function declarations. Remove state_alts fields from all
9335 structures. Remove state_alts_table from struct automaton.
9336 Make everything except main static. Do not maintain num_dfa_decls.
9337 Do not maintain state_alts fields of various structures.
9338 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9339 (add_arc): Remove state_alts argument. All callers updated.
9340 (output_reserved_units_table): Emit #ifdef here...
9341 (output_tables): ...not here. Don't generate state_alts tables.
9342 (expand_automata): Don't generate attributes.
9343 (write_automata): Don't generate state_alts functions.
9344 (main): New function.
9345 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9346 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9347 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9348 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9349 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9350 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9351 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9352 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9353 Delete.
9354 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9355 * genattrtab.h: Delete file.
9356 * Makefile.in (OBJS-common): Add insn-automata.o.
9357 (insn-automata.o): New rule.
9358 (simple_generated_c): Add insn-automata.c.
9359 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9360 (genprogmd): Add automata.
9361 (build/genattrtab): Needs no extra objects nor libraries.
9362 (build/genautomata): Needs build/vec.o and -lm.
9364 2006-01-22 Zack Weinberg <zackw@panix.com>
9366 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9367 (output_dfa_max_issue_rate, locked_states_num): Delete.
9368 (struct automaton): Add locked_states field.
9369 (output_dead_lock_vect): Save number of locked states in
9370 automaton->locked_states. If it is zero, don't print anything.
9371 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9372 (output_internal_dead_lock_func): Only test the dead_lock_vect
9373 for automata that have locked states.
9374 (output_statistics): Always print the number of locked states for
9375 each automaton. Calculate total number of locked states here.
9376 (write_automata): Don't call output_dfa_max_issue_rate.
9377 * genattrtab.c: Define length_unit_log as a const variable.
9378 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9379 max_insn_queue_index const.
9380 * final.c (length_unit_log): Declare const.
9381 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9383 2006-01-22 Zack Weinberg <zackw@panix.com>
9385 * genautomata.c: Include vec.h, not varray.h.
9386 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9387 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9388 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9389 VEC_* macros operating on appropriately typed vectors, or to
9390 malloced arrays when the size is known in advance. Const-ify
9391 many char* variables and function arguments. No functional changes.
9392 * Makefile.in (build/varray.o): Delete rule.
9393 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9394 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9396 2006-01-22 Zack Weinberg <zackw@panix.com>
9398 * gensupport.c: Define get_insn_name and record_insn_name here.
9399 (read_md_rtx): Call record_insn_name as appropriate.
9400 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9401 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9402 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9403 record_insn_name.
9404 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9405 (BUILD_VARRAY): Delete.
9406 (genprognormal): Rename genprogmd. Fold in all programs from
9407 genprognoprint; also attrtab.
9408 (build/genattrtab): Just mention genautomata.o and varray.o.
9409 Reorganize a bit, add comments to make the categories clearer.
9411 2006-01-22 Zack Weinberg <zackw@panix.com>
9413 * genconditions.c (condition_table, add_condition): Delete.
9414 (write_conditions): Don't emit n_insn_conditions nor
9415 insn_elision_unavailable. Issue the gcc version #ifdef here,
9416 inside the table, with no #else clause ...
9417 (write_header): ...not here.
9418 (write_writer): New function.
9419 (main): Don't initialize condition_table. Use add_c_test.
9420 Call write_writer.
9421 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9422 files on the command line.
9423 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9424 Return -1 if there is no entry in the table, don't abort.
9425 (add_c_test, traverse_c_tests): New functions.
9426 * gensupport.h (insn_elision_unavailable, insn_conditions)
9427 (n_insn_conditions): Delete declarations.
9428 (add_c_test, traverse_c_tests): Declare.
9429 * read-rtl.c: Include gensupport.h.
9430 (read_conditions): New function.
9431 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9432 (read_rtx_1): If we get EOF when we were looking for an initial
9433 open paren, return 0. Call read_conditions when appropriate.
9434 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9435 dummy-conditions.o. Eliminate references to insn-conditions.o,
9436 or change them to build/gencondmd.o, as appropriate. Remove
9437 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9438 from $(simple_generated_c). For all files remaining in those
9439 two lists, add insn-conditions.md to the generator command line.
9440 Give insn-constants.h/s-constants their own rules. Add rules
9441 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9442 (build/read-rtl.o): Depend on gensupport.h.
9443 (genprognormal): Include preds.
9444 (genprogearly): Rename genprognoprint; only difference is now that
9445 they don't link with $(BUILD_PRINT).
9446 * dummy-conditions.c: Delete.
9448 2006-01-22 Zack Weinberg <zackw@panix.com>
9450 * genextract.c: Don't include insn-config.h. Do include vec.h.
9451 Declare vectors of int, char, and locstr.
9452 (locstr): New typedef.
9453 (struct extraction): Make all array fields into bare pointers.
9454 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9455 (insn_code_number): Delete.
9456 (accum_extract): New struct.
9457 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9458 (gen_insn): Take insn_code_number as an argument. Use an
9459 accum_extract structure instead of loading data directly into
9460 a struct extraction, and having to know how big it might get.
9461 (walk_rtx): Operate entirely on an accum_extract structure.
9462 (print_path): Avoid unnecessary use of printf.
9463 (print_header): New function, split out of main. Distinguish
9464 more carefully between an unrecognizable insn and an insn that
9465 has the code number of a define_expand.
9466 (main): Pass insn_code_number to gen_insn. Call print_header
9467 only after parsing. Avoid unnecessary use of printf.
9468 * Makefile.in (build/vec.o): New rule.
9469 (build/genextract): Depend on build/vec.o.
9470 (build/genextract.o): Don't depend on insn-config.h.
9472 2006-01-22 Zack Weinberg <zackw@panix.com>
9474 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9475 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9476 practical. Eliminate per-generator-program link rules.
9478 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9480 PR middle-end/24437
9481 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9482 with a call expr to ...
9483 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9485 2006-01-23 Richard Guenther <rguenther@suse.de>
9487 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9488 before make_edge with conditional EDGE_TRUE_VALUE.
9490 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9491 Jan Hubicka <jh@suse.cz>
9492 Richard Guenther <rguenther@suse.de>
9494 PR rtl-optimization/25654
9495 * cfgexpand.c (aggregate_contains_union_type): New function.
9496 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9497 for structure variables that contain a union type.
9499 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9501 * gengtype.c (new_structure): Return the structure.
9502 (create_option): Add an extra "next" argument.
9503 (create_field): New function.
9504 (adjust_field_rtx_def): Use create_option and create_field.
9505 Remove a now-unnecessary call to find_structure.
9506 (adjust_field_tree_def): Likewise.
9507 (note_yacc_type): Remove an unnecessary call to find_structure.
9508 * gengtype.h (new_structure): Return the structure.
9509 (create_option): Add an extra argument.
9510 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9511 (option): Adjust calls to create_option.
9513 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9515 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9517 2006-01-22 Paul Brook <paul@codesourcery.com>
9518 Peter Barada <peter@the-baradas.com>
9520 * config/m68k/m68k.md: Add Coldfire FPU support.
9521 Define FP mode macro and associated attributes.
9522 Use it for float mode patterns.
9523 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9524 (LIBCALL_VALUE): Use m68k_libcall_value.
9525 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9526 (m68k_function_value): Ditto.
9527 (emit_move_sequence): Ditto.
9528 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9529 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9530 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9531 (MULTILIB_EXCEPTIONS): Ditto.
9532 * config/m68k/m68k.opt: Add mcfv4e.
9533 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9534 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9535 (m68k_output_function_prologue): Save ColdFire FPU registers.
9536 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9537 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9538 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9539 ColdFire FPU registers.
9540 (m68k_libcall_value, m68k_function_value): New functions.
9541 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9542 (LIBCALL_VALUE): Use m68k_libcall_value.
9543 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9544 (MASK_COLDFIRE): Add MASK_CFV4E.
9545 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9546 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9547 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9548 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9549 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9550 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9551 * doc/invoke.tex: Document -mcfv4e on m68k.
9553 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9555 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9556 URL.
9558 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9560 PR c++/16190
9561 * c-opts.c (c_common_handle_option): Don't include
9562 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9563 * doc/invoke.texi (C++ Dialect Options): Document that
9564 -Wnon-virtual-dtor is no longer included in -Wall.
9566 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9568 * gcov.c (print_version), gcov-dump.c (print_version),
9569 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9570 dates.
9572 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9574 * df-scan.c (problem_SCAN): Added NULL reset function.
9575 (df_scan_reset_blocks): Added code to call reset block function
9576 (df_bb_refs_delete) Fixed comment.
9577 (df_insn_refs_delete): Made tolerant of deleting non existent info
9578 for dataflow problems that need to be reset.
9579 * df-core.c (df_set_blocks): Ditto.
9580 * df.h (struct df_problem): Added reset_fun.
9581 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9582 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9583 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9584 functions to clear out all references to def-use or use-def chains.
9586 2006-01-21 Ben Elliston <bje@au.ibm.com>
9588 * varasm.c (assemble_real): Initialise data array.
9590 2006-01-20 Paul Brook <paul@codesourcery.com>
9592 Merge from csl-arm-branch.
9593 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9594 * config/arm/arm.md (movdi): Force operands[1] to a register
9595 if we have a non-register source.
9596 (*arm_movdi, *movdf_soft_insn): Require that one of the
9597 operands be a register.
9598 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9599 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9601 2006-01-20 DJ Delorie <dj@redhat.com>
9603 * varasm.c (initialize_constant_valid_p): Allow pointers
9604 initialized from integer constants of lesser precision.
9605 (output_constant): Allow non-int-sized pointer modes to be
9606 initialized from integer constants.
9608 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9610 PR libstdc++/25524
9611 * cppdefault.h (struct default_include): Add multilib flag.
9612 * cppdefault.c (cpp_include_defaults): Set it.
9613 * c.opt (-imultilib): New option.
9614 * c-opts.c (imultilib): New.
9615 (c_common_handle_option): Handle -imultilib.
9616 (c_common_post_options): Likewise.
9617 * c-incpath.c (add_standard_paths, register_include_chains):
9618 Likewise.
9619 * c-incpath.h (register_include_chains): Add extra parameter.
9620 * gcc.c (do_spec_1): Generate -imultilib option.
9621 (The Specs Language): Update %I description.
9622 (process_command): Update copyright notice.
9623 * doc/cppopts.texi (-imultilib): Document.
9624 * doc/invoke.texi (-imultilib): Include in option summary.
9625 (%I): Update specs documentation.
9627 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9629 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9631 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9633 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9634 label numbers.
9636 2006-01-20 Richard Guenther <rguenther@suse.de>
9637 Steven Bosscher <stevenb.gcc@gmail.com>
9639 PR rtl-optimization/24626
9640 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9641 EDGE_TRUE_VALUE if in RTL mode.
9643 Revert
9644 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9645 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9647 2006-01-20 Dirk Mueller <dmueller@suse.com>
9649 PR c++/5520
9650 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9651 instead of a special NOP marker.
9652 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9653 NOP marker handling.
9654 * c-common.h (empty_body_warning): Add forward declaration.
9655 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9656 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9658 2006-01-20 Paul Brook <paul@codesourcery.com>
9660 * Makefile.in (lang_checks): Keep going if mkdir fails.
9662 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9664 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9665 be able to clean out basic block when not necessary.
9666 (df_scan_free): Fixed to properly delete information if df is
9667 unused before calling df_finish.
9668 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9669 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9670 or comment typos.
9671 (df_bb_refs_delete): New function.
9672 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9673 * df-core.c (df_set_blocks): Added code to properly clean out
9674 unused blocks if they are not part of the blocks to consider.
9675 Added additional null check.
9676 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9677 be able to clean out basic block when not necessary
9678 * df.h (df_free_bb_function): Ditto.
9679 (df_bb_refs_delete): New function.
9680 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9681 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9682 basic block parameter to be able to clean out basic block when not
9683 necessary.
9684 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9685 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9686 Fixed to properly delete information if df is unused before
9687 calling df_finish.
9689 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9691 PR rtl-optimization/25799
9692 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9693 Corrected confluence operator to remove bits from op2 before oring
9694 with op1 rather than removing bits from op1.
9695 (df_ru_transfer_function): Corrected test on wrong bitmap which
9696 caused infinite loop. Both of these problems were introduced in
9697 the dataflow rewrite.
9699 2006-01-19 DJ Delorie <dj@redhat.com>
9701 * reload1.c (find_reload_regs): Note the details of reload
9702 failures in the dump file.
9703 (spill_failure): Likewise.
9705 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9707 * loop-iv.c: Include df.h and hashtab.h.
9708 (enum iv_grd_result): New enum.
9709 (DF_REF_IV, DF_REF_IV_SET): New macros.
9710 (struct biv_entry): New.
9711 (df, bivs): New global variables.
9712 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9713 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9714 Removed.
9715 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9716 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9717 analyzed_for_bivness_p, record_biv): New functions.
9718 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9719 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9720 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9721 UD chains.
9722 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9723 analysed.
9724 (iv_number_of_iterations): Use new interface to iv analysis.
9725 * loop-unroll.c: Do not include varray.h.
9726 (analyze_iv_to_split_insn): Use new interface to iv
9727 analysis.
9728 * loop-unswitch.c (may_unswitch_on): Ditto.
9729 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9730 allocated.
9731 (df_bb_modify): Realloc tables to the new index.
9732 (df_find_use): New function.
9733 * df.h (df_find_use): Declare.
9734 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9735 outmode.
9736 * cfgloop.h (struct rtx_iv): Remove analysed field.
9737 (iv_get_reaching_def): Removed.
9738 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9739 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9740 (loop-iv.o): Add df.h and hashtab.h dependency.
9741 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9743 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9745 PR target/25668
9746 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9747 Double TFmode.
9748 (__floatundisf, __floatundidf): Likewise.
9749 * libgcc2.h (IS_IBM_EXTENDED): Define.
9751 2006-01-19 DJ Delorie <dj@redhat.com>
9753 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9755 2006-01-19 Paul Brook <paul@codesourcery.com>
9757 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9758 as nothrow when unwinding tables are disabled.
9760 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9762 PR testsuite/25171
9763 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9764 of bit-field" when in system header.
9766 2006-01-19 DJ Delorie <dj@redhat.com>
9768 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9769 the 16 bit shift limit of the m16c.
9771 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9773 PR target/22099
9774 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9775 * config/i386/i386.c (output_set_got): Output the label if we have one
9776 for the TARGET_DEEP_BRANCH_PREDICTION case.
9778 2006-01-19 Jan Hubicka <jh@suse.cz>
9779 H.J. Lu <hongjiu.lu@intel.com>
9780 Evandro Menezes <evandro.menezes@amd.com>
9782 * invoke.texi (generic): Document
9783 (i686) Update.
9784 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9785 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9786 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9787 (x86_use_incdec, x86_pad_returns): New variables
9788 (TARGET_CPU_DEFAULT_generic): New constant
9789 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9790 (enum processor_type): Add generic32 and generic64.
9791 * i386.md (cpu attribute): Add generic32/generic64
9792 (movhi splitter): Behave sanely when both partial_reg_dependency and
9793 partial_reg_stall are set.
9794 (K8 splitters): Enable for generic as well.
9795 * predicates.md (incdec_operand): Use TARGET_INCDEC
9796 (aligned_operand): Avoid memory mismatch stalls.
9797 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9798 * ppro.md: Enable for generic32
9799 * i386.c (generic64_cost, generic32_cost): New.
9800 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9801 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9802 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9803 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9804 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9805 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9806 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9807 x86_accumulate_outgoing_args, x86_prologue_using_move,
9808 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9809 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9810 Enable for generic.
9811 (x86_use_incdec, x86_pad_returns): New.
9812 (override_options): Add generic32 and generic64, translate "generic"
9813 to generic32/generic64 and "i686" to "generic32", refuse
9814 "generic32"/"generic64" as arch target.
9815 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9816 (ix86_reorg): Honor PAD_RETURNS.
9818 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9820 * tree-pretty-print.c (dump_generic_node): Handle
9821 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9822 * cgraph.c (cgraph_expand_queue): Rename from
9823 cgraph_analyze_queue. Update all users.
9824 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9825 cgraph_expand_queue.
9826 (cgraph_expand_all_functions): Likewise.
9827 (cgraph_finalize_pending_functions): Remove. Update callers.
9829 * tree.h (OMP_DIRECTIVE_P): Define.
9830 (OMP_PARALLEL_FN): Define.
9831 (OMP_PARALLEL_DATA_ARG): Define.
9832 (OMP_SECTIONS_SECTIONS): Define.
9833 * tree-pass.h (pass_expand_omp): Declare.
9834 * omp-low.c (struct omp_region): Declare.
9835 (struct omp_context): Remove fields 'parallel_type',
9836 'parallel_start_ix' and 'parallel_start_additional_args'.
9837 Update all users.
9838 (struct omp_for_data): Rename from struct expand_omp_for_data.
9839 (omp_regions): New static variable.
9840 (root_omp_region): New static variable.
9841 (find_omp_clause): Make static.
9842 (is_in_combined_parallel_ctx): Remove.
9843 (is_combined_parallel): New.
9844 (extract_omp_for_data): Move earlier in the file.
9845 (workshare_safe_to_combine_p): New.
9846 (get_ws_args_for): New.
9847 (determine_parallel_type): Move earlier in the file.
9848 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9849 child function.
9850 (omp_copy_decl): Likewise.
9851 (create_omp_child_function): Likewise.
9852 (lookup_omp_region): New.
9853 (dump_omp_region): New.
9854 (debug_omp_region): New.
9855 (debug_all_omp_regions): New.
9856 (new_omp_region): New.
9857 (scan_omp_parallel): If parallel_nesting_level > 1, the
9858 directive is nested within another parallel directive.
9859 Set OMP_PARALLEL_FN.
9860 (scan_omp_for): Do not try to handle combined parallel+for
9861 cases.
9862 Remove FIXME comment.
9863 (scan_omp_nested): Remove.
9864 (scan_omp_1): Do not call scan_omp_nested when
9865 parallel_nesting_level is > 1.
9866 Do not change the DECL_CONTEXT of local variables found.
9867 (lookup_decl_in_outer_ctx): New.
9868 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9869 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9870 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9871 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9872 If CTX is nested, lookup VAR in the outer context when
9873 building copy assignment.
9874 (lower_send_clauses): Rename from expand_send_clauses.
9875 If CTX is nested, lookup VAR in the outer context when
9876 building copy assignments.
9877 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9878 If CTX is nested, lookup VAR in the outer context when
9879 building copy assignments.
9880 (expand_parallel_call): Rename from build_parallel_call.
9881 Handle combined parallel+workshare cases.
9882 Re-implement to emit code into the CFG.
9883 (list2chain): New.
9884 (expand_omp_parallel): Re-implement to emit code into the CFG.
9885 Call move_sese_region_to_fn to outline the sub-graph
9886 containing the parallel region.
9887 (expand_omp_for_1): Remove.
9888 (expand_omp_for_generic): Re-implement to emit code into the
9889 CFG.
9890 (expand_omp_for_static_nochunk): Likewise.
9891 (expand_omp_for_static_chunk): Likewise.
9892 (expand_omp_for): Likewise.
9893 (expand_omp_sections): Likewise.
9894 (remove_exit_barriers): New.
9895 (expand_omp_synch): New.
9896 (expand_omp): New.
9897 (build_omp_regions_1): New.
9898 (build_omp_regions): New.
9899 (execute_expand_omp): New.
9900 (gate_expand_omp): New.
9901 (pass_expand_omp): Define.
9902 (lower_omp_sections): Rename from expand_omp_sections.
9903 Set OMP_SECTIONS_SECTIONS.
9904 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9905 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9906 (lower_omp_single): Rename from expand_omp_simple.
9907 (lower_omp_master): Rename from expand_omp_master.
9908 (lower_omp_ordered): Rename from expand_omp_ordered.
9909 (lower_omp_critical): Rename from expand_omp_critical.
9910 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9911 (lower_omp_for): Re-implement.
9912 (lower_omp_parallel): Re-implement.
9913 (lower_regimplify): Rename from expand_regimplify.
9914 (lower_omp_1): Rename from expand_omp_1.
9915 If there are syntax errors in the program, replace every
9916 OpenMP directive with NOP.
9917 Call lower_omp_* instead of expand_omp_*.
9918 (lower_omp): Rename from expand_omp.
9920 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9921 * tree-gimple.h (enum omp_parallel_type): Remove.
9922 (gimple_boolify): Declare extern.
9923 (find_omp_clause, determine_parallel_type): Remove.
9925 * gimple-low.c (lower_omp_directive): New.
9926 (lower_stmt): Call it.
9927 (record_vars_into): Move from ...
9928 (record_vars): ... here.
9929 Call record_vars_into with current_function_decl.
9931 * gimplify.c (struct gimplify_ctx): Remove fields
9932 combined_pre_p and combined_ctxp. Update users.
9933 (get_formal_tmp_var): Add documentation.
9934 (gimple_boolify): Make extern.
9935 (gimplify_expr_in_ctx): Remove. Update callers.
9936 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9937 will always be a BIND_EXPR.
9938 (gimplify_expr): Handle OMP_RETURN_EXPR.
9939 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9940 (OMP_PARALLEL): Add 3 operands.
9941 (OMP_SECTIONS): Add 1 operand.
9942 (OMP_RETURN_EXPR): Define.
9944 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9945 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9946 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9947 creating a circular free list.
9948 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9950 * tree-flow.h (move_sese_region_to_fn): Declare.
9951 (record_vars_into): Declare.
9952 * tree-cfg.c (make_omp_sections_edges): New.
9953 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9954 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9955 OMP_SECTIONS and OMP_SECTION.
9956 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9957 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9958 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9959 (gather_blocks_in_sese_region): New.
9960 (struct move_stmt_d): Declare.
9961 (move_stmt_r): New.
9962 (move_block_to_fn): New.
9963 (move_sese_region_to_fn): New.
9965 * passes.c (init_optimization_passes): Schedule
9966 pass_expand_omp after pass_init_datastructures.
9968 * tree-ssa-operands.c (get_expr_operands): Handle
9969 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9970 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9972 2006-01-19 Jeff Law <law@redhat.com>
9974 * tree-vrp.c (extract_range_from_assert): Refine the result range
9975 if the variable referenced by the ASSERT_EXPR has a range and
9976 either the tentative result range or the previous range is a
9977 VR_ANTI_RANGE.
9979 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9981 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9983 2006-01-19 Jan Hubicka <jh@suse.cz>
9985 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9987 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9989 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9990 (expand_compound_operation, expand_field_assignment): Fail if the
9991 bit lengths of an extract operation are out of range.
9992 (make_extraction): Compute wanted_inner_mode based on the position
9993 and length of the extraction. Make it extraction_mode for non-constant
9994 positions, and do not modify offset in that case. When generating a
9995 new MEM, use a mode that can hold the extraction while keeping correct
9996 alignment. Remove code that supported MEMs wrapped by USEs.
9997 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9999 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10001 * config/s390/s390.md ("Y", "y"): New mode attribute.
10002 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10003 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10004 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10005 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10006 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10007 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10008 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10009 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10010 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10011 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10012 "addsi3", "subsi3"): Insn patterns removed.
10013 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10014 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10015 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10016 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10017 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10018 "*sub<mode>3_cconly2"): New insn patterns.
10019 ("addsi3", "subsi3"): New expanders.
10021 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10023 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10024 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10025 existing STMT_VINFO_VECTYPE if available.
10026 (vect_mark_relevant): Add special handling for stmts that are
10027 marked as STMT_VINFO_IN_PATTERN_P.
10028 (vect_analyze_loop): Call vect_pattern_recog.
10029 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10030 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10031 stmt_info.
10032 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10033 (vect_recog_func_ptr): New function-pointer type.
10034 * tree-vect-patterns.c: New file.
10035 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10036 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10037 (vect_pattern_recog_1): New functions.
10038 (vect_pattern_recog_funcs): New array of function pointers.
10040 * tree-vectorizer.h (ternary_op): New enum value.
10041 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10042 declaration. Revised documentation. Removed redundant dump prints.
10043 Removed redundant argument. Added support for reduction patterns.
10044 (vectorizable_reduction): Added support for reduction patterns.
10045 (vect_transform_stmt): Added support for patterns.
10047 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10048 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10049 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10050 (expand_widen_pattern_expr): New function.
10051 (init_optabs): Initialize new optabs udot_prod_optab,
10052 sdot_prod_optab.
10053 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10054 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10055 (expand_widen_pattern_expr): New function declaration.
10056 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10057 tree-codes.
10058 * tree-inline.c (estimate_num_insns_1): Added cases for new
10059 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10060 * tree-pretty-print.c (dump_generic_node): Likewise.
10061 (op_prio): Likewise.
10062 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10063 * tree-ssa-operands.c (get_expr_operands): Added case for
10064 DOT_PROD_EXPR.
10065 * tree-vect-patterns.c (widened_name_p): New function.
10066 (vect_recog_dot_prod_pattern): Added function implementation.
10067 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10068 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10069 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10070 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10072 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10073 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10074 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10075 (init_optabs): Initialize new optabs widen_ssum_optab,
10076 widen_usum_optab.
10077 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10078 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10079 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10080 use instead of type of def.
10081 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10082 function implementation.
10083 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10084 widen_ssumv8hi): New.
10086 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10087 patterns.
10089 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10091 PR c/25805
10092 * c-decl.c (add_flexible_array_elts_to_size): New function.
10093 (finish_decl): Use it.
10095 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10097 * diagnostic.h: Include options.h.
10098 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10099 dependancies for diagnostic.h.
10100 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10102 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10104 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10105 (ssa_ro_call_cache_valid): Ditto.
10106 * tree-ssa-alias.c (sort_tags_by_id): New function.
10107 (init_transitive_clobber_worklist): Ditto.
10108 (add_to_worklist): Ditto.
10109 (mark_aliases_call_clobbered): Ditto.
10110 (compute_tag_properties): Ditto.
10111 (set_initial_properties): Ditto.
10112 (compute_call_clobbered): Ditto.
10113 (compute_may_aliases): Call compute_call_clobbered and grouping.
10114 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10115 (compute_flow_insensitive_aliasing): Grouping now happens in our
10116 caller.
10117 (setup_pointers_and_addressables): Remove clobbering related code.
10118 (add_may_alias): Ditto.
10119 (replace_may_alias): Ditto.
10120 (get_nmt_for): Ditto.
10121 (create_global_var):
10122 (is_escape_site): Return an escape_type enumeration.
10123 * tree-flow-inline.h (is_call_clobbered): Global var does not
10124 imply call clobbered.
10125 (mark_call_clobbered): Take a reason for marking this. Remove
10126 marking of globalness, and cache invalidation.
10127 (clear_call_clobbered): Remove cache invalidation code.
10128 * tree-dfa.c (dump_variable): If details is on, dump the reason
10129 for escaping.
10130 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10131 variable.
10132 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10133 (struct var_ann_d): Ditto.
10134 (enum escape_type): New.
10135 (mark_call_clobbered): Adjust prototype.
10136 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10137 are never call clobbered.
10138 Record reasons for escaping.
10139 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10140 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10141 (ssa_ro_call_cache_valid): Ditto.
10142 (clobbered_v_may_defs): Ditto.
10143 (clobbered_vuses): Ditto.
10144 (ro_call_vuses): Ditto.
10145 (clobber_stats): New.
10146 (init_ssa_operands): Zero out clobber stats.
10147 (fini_ssa_operands): Print out clobber stats.
10148 (get_call_expr_operands): Pass callee fndecl to
10149 add_call_read_ops).
10150 (add_call_clobber_ops): Remove use of cache.
10151 Add use of PURE_CONST information.
10152 (add_call_read_ops): Remove use of cache.
10153 Add use of static not_read information.
10155 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10157 Introduce TLS descriptors for i386 and x86_64.
10158 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10159 (TARGET_ANY_GNU_TLS): New macro.
10160 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10161 (struct machine_function): Add tls_descriptor_call_expanded_p.
10162 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10163 (ix86_current_function_calls_tls_descriptor): Likewise.
10164 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10165 (override_options): Introduce gnu2 tls dialect.
10166 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10167 not leaves.
10168 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10169 Likewise.
10170 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10171 (ix86_init_machine_status): Initialize new field.
10172 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10173 (ix86_tls_module_base): New.
10174 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10175 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10176 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10177 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10178 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10179 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10180 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10181 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10182 * config/i386/predicates.md (tls_modbase_operand): New.
10183 (tp_or_register_operand): New.
10185 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10187 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10188 (look_for_address_of): Ditto.
10189 (ipa_init): Walk the function decls.
10190 (static_execute): Don't set readonly on FUNCTION_DECL's.
10192 2006-01-18 Roger Sayle <roger@eyesopen.com>
10194 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10195 for shifts where the source and destination registers are different.
10197 2006-01-18 Paul Brook <paul@codesourcery.com>
10199 Merge from csl-arm-branch.
10200 2005-03-14 Julian Brown <julian@codesourcery.com>
10201 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10202 (aeabi_llsl): Likewise.
10203 (ashrdi3): Likewise.
10204 (aeabi_lasr): Likewise.
10205 (lshrdi3): Likewise.
10206 (aeabi_llsr): Likewise.
10207 2005-03-10 Julian Brown <julian@codesourcery.com>
10208 * config.gcc: Disable shared libgcc for SymbianOS.
10209 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10211 2006-01-18 DJ Delorie <dj@redhat.com>
10213 * c-pragma.c (handle_pragma_diagnostic): New.
10214 (init_pragma): Register it.
10215 * doc/extend.texi: Document it.
10217 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10218 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10219 (diagnostic_context): Add classify_diagnostic[].
10220 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10221 as errors if they're overridden to DK_WARNING.
10222 (diagnostic_initialize): Initialize classify_diagnostic[].
10223 (diagnostic_set_kind_override): New.
10224 (diagnostic_report_diagnostic): Check for kind changes.
10225 * opts.c (common_handle_option): Take lang_mask. Update callers.
10226 Handle OPT_Werror_.
10227 * common.opt (Werror=): New.
10228 * doc/invoke.texi: Document -Werror=*
10230 2006-01-18 Jeff Law <law@redhat.com>
10232 * tree-vrp.c (test_for_singularity): Correct test for new
10233 min limit. Use operand_equal_p rather than pointer equality
10234 for testing if new min/max values are equal.
10236 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10237 using range information until after propagation and folding.
10239 2006-01-18 Richard Henderson <rth@redhat.com>
10240 Aldy Hernandez <aldyh@redhat.com>
10241 Jakub Jelinek <jakub@redhat.com>
10242 Diego Novillo <dnovillo@redhat.com>
10244 * omp-low.c: New file.
10245 * c-omp.c: New file.
10247 2006-01-18 Richard Henderson <rth@redhat.com>
10248 Jakub Jelinek <jakub@redhat.com>
10249 Diego Novillo <dnovillo@redhat.com>
10251 * doc/invoke.texi: Document -fopenmp.
10252 * tree-dump.h (debug_function): Declare.
10253 * hooks.c (hook_bool_tree_bool_false): New function.
10254 (hook_tree_tree_null): Remove.
10255 (hook_tree_tree_tree_null): New.
10256 * hooks.h: Update to match.
10257 * tree-pretty-print.c (debug_tree_chain): New.
10258 (print_generic_expr): Handle TDF_CHAIN.
10259 (dump_generic_node): Handle BLOCK.
10260 Do not abort with incomplete SWITCH_EXPRs.
10261 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10262 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10263 print space after directive name.
10264 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10265 Handle OMP_MASTER and OMP_ORDERED.
10266 Handle printing of OMP_BODY just in one place, goto
10267 dump_omp_body in the rest of OMP_* nodes that have
10268 OMP_BODY.
10269 Don't handle clause nodes here. Update omp statements to
10270 use dump_omp_clauses.
10271 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10272 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10273 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10274 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10275 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10276 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10277 Adjust output for GOMP_PARALLEL.
10278 (dump_omp_clauses): New.
10279 (print_declaration): Dump DECL_VALUE_EXPR.
10280 (op_symbol_1): Split out of op_symbol.
10281 (dumping_stmts): Remove. Update all users.
10282 * cgraph.c (cgraph_analyze_queue): New.
10283 (cgraph_add_new_function): New.
10284 * cgraph.h (cgraph_analyze_queue): Declare.
10285 (cgraph_add_new_function): Declare.
10286 (cgraph_lower_function): Remove.
10287 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10288 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10289 and TYPE_P nodes in its default clause.
10290 (empty_body_p): New.
10291 (tree_range_check_failed): New.
10292 (build5_stat): New.
10293 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10294 OMP_CLAUSE_REDUCTION_MERGE,
10295 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10296 OMP_CLAUSE_PRIVATE_DEBUG,
10297 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10298 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10299 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10300 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10301 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10302 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10303 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10304 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10305 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10306 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10307 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10308 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10309 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10310 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10311 (TREE_RANGE_CHECK): New.
10312 (empty_body_p): Declare.
10313 (enum omp_clause_default_kind): New.
10314 (build_string_literal): Declare.
10315 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10316 (build5_stat, build5): Declare.
10317 * tree-pass.h (TDF_CHAIN): Define.
10318 * tree-pass.h (PROP_gimple_lomp): Define.
10319 (pass_lower_omp): Declare.
10320 * diagnostic.h (debug_tree_chain): Declare.
10321 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10322 mode_for_size.
10323 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10324 * builtins.c (build_string_literal): Make extern.
10325 * gcc.c (include_spec_function): New.
10326 (static_spec_functions): Add it.
10327 (main): Move load of libgomp.spec ...
10328 (LINK_COMMAND_SPEC): ... here.
10329 (link_gomp_spec): New.
10330 (static_specs): Include it.
10331 (LINK_COMMAND_SPEC): Add link_gomp.
10332 (GOMP_SELF_SPECS): New.
10333 (driver_self_specs): Include it.
10334 (switch_matches): Don't mark inline.
10335 (main): Load libgomp.spec.
10336 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10337 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10338 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10339 * tree-gimple.h (enum omp_parallel): Declare.
10340 (determine_parallel_type): Declare.
10341 (omp_firstprivatize_variable): Declare.
10342 (omp_reduction_init): Declare.
10343 (diagnose_omp_structured_block_errors): Declare.
10344 (struct walk_stmt_info): Add want_return_expr.
10345 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10346 (find_omp_clause): Declare.
10347 (insert_field_into_struct): Declare.
10348 (struct walk_stmt_info): Move from tree-nested.c
10349 (walk_stmts): Declare.
10350 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10351 to 200505.
10352 * cgraphunit.c (cgraph_lower_function): Make static.
10353 (cgraph_finalize_pending_functions): New.
10354 (cgraph_finalize_function): Call it.
10355 (cgraph_finalize_compilation_unit): Likewise.
10356 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10357 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10358 (BT_FN_UINT_UINT): New.
10359 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10360 DEF_FUNCTION_TYPE_VAR_4): Document.
10361 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10362 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10363 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10364 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10365 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10366 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10367 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10368 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10369 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10370 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10371 into separate files.
10372 (DEF_GOMP_BUILTIN): New.
10373 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10374 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10375 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10376 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10377 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10378 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10379 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10380 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10381 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10382 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10383 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10384 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10385 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10386 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10387 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10388 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10389 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10390 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10391 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10392 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10393 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10394 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10395 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10396 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10397 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10398 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10399 * sync-builtins.def: New file, moved from builtins.def.
10400 * omp-builtins.def: New file, moved from builtins.def.
10401 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10402 * gimple-low.c (lower_function_body): Clear data.
10403 (lower_stmt): Do not handle COMPOUND_EXPR.
10404 Remove call to print_node_brief.
10405 * c-tree.h (c_finish_omp_clauses): New prototype.
10406 (C_DECL_THREADPRIVATE_P): Define.
10407 (lookup_name_no_remap, c_omp_remap_private): Remove
10408 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10409 (check_for_loop_decls): Update decl.
10410 (lookup_name_no_remap, c_omp_remap_private): Declare.
10411 (build_indirect_ref, build_modify_expr, pushdecl,
10412 pushdecl_top_level): Move to c-common.h.
10413 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10414 before the switch, but just in the 2 places that need it.
10415 * c-decl.c (diagnose_mismatched_decls): Do not check for
10416 mismatched thread-local attributes when OLDDECL is marked
10417 threadprivate and NEWDECL has no thread-local attributes.
10418 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10419 (c_gimple_diagnostics_recursively): Rename from
10420 c_warn_unused_result_recursively. Invoke
10421 diagnose_omp_structured_block_errors.
10422 (check_for_loop_decls): Return a singular decl found.
10423 * langhooks.c (lhd_omp_predetermined_sharing): Return
10424 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10425 (lhd_omp_firstprivatize_type_sizes): New.
10426 (lhd_omp_assignment): New.
10427 (lhd_omp_predetermined_sharing): New.
10428 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10429 (struct lang_hooks_for_types): Add
10430 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10431 omp_predetermined_sharing, omp_disregard_value_expr,
10432 omp_private_debug_clause, omp_clause_default_ctor,
10433 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10434 (c_finish_omp_clauses): New.
10435 (c_finish_bc_stmt): Diagnose break within omp for.
10436 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10437 (build_unary_op): Return error_mark after reporting
10438 a readonly_error.
10439 (build_modify_expr): Likewise.
10440 * gimplify.c: Include optabs.h and pointer-set.h.
10441 (enum gimplify_omp_var_data): Declare.
10442 (struct gimplify_omp_ctx): Declare.
10443 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10444 and combined_ctxp.
10445 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10446 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10447 (splay_tree_compare_decl_uid): New.
10448 (new_omp_context): New.
10449 (delete_omp_context): New.
10450 (gimple_add_tmp_var): Call omp_add_variable.
10451 (gimplify_bind_expr): Likewise.
10452 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10453 true, disregard DECL_VALUE_EXPR on the decl if any.
10454 (gimplify_expr_in_ctx): New.
10455 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10456 omp_add_variable, omp_notice_variable, omp_is_private
10457 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10458 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10459 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10460 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10461 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10462 gimplify_omp_atomic): New.
10463 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10464 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10465 OMP_CRITICAL and OMP_ATOMIC.
10466 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10467 * c-pragma.h (enum pragma_kind): Add
10468 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10469 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10470 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10471 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10472 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10473 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10474 PRAGMA_OMP_THREADPRIVATE.
10475 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10476 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10477 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10478 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10479 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10480 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10481 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10482 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10483 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10484 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10485 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10486 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10487 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10488 OpenMP directives.
10489 (struct nesting_info): Add field_map,
10490 suppress_expansion, debug_var_chain.
10491 (create_nesting_tree): Initialize them.
10492 (lookup_field_for_decl): Use field_map.
10493 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10494 (convert_local_omp_clauses): New.
10495 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10496 (walk_body): Split out of walk_function.
10497 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10498 (convert_nonlocal_reference): Handle omp statements.
10499 (convert_local_reference): Likewise.
10500 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10501 (unnest_nesting_tree): New.
10502 (lower_nested_functions): Call it.
10503 (insert_field_into_struct): Make extern.
10504 (struct walk_stmt_info): Move to tree-gimple.h.
10505 (walk_stmts): Make extern.
10506 * omp-builtins.def: New file.
10507 * tree-iterator.c (expr_only): Clarify comment.
10508 * c-common.h (pushdecl_top_level, pushdecl,
10509 build_modify_expr, build_indirect_ref,
10510 c_finish_omp_master, c_finish_omp_critical,
10511 c_finish_omp_ordered, c_finish_omp_barrier,
10512 c_finish_omp_atomic, c_finish_omp_flush,
10513 c_finish_omp_for, c_split_parallel_clauses,
10514 omp_clause_default_kind, c_omp_sharing_predetermined,
10515 c_omp_remap_decl): Declare.
10516 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10517 (OBJS-common): Add omp-low.o.
10518 (c-omp.o, omp-low.o): Add.
10519 (gimplify.o): Add dependency on $(OPTABS_H).
10520 (GTFILES): Add omp-low.c.
10521 (gt-stringpool.h): Add.
10522 * tree-cfg.c (set_bb_for_stmt): Do not update the
10523 block-to-labels map if we are currently expanding to RTL.
10524 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10525 checks.
10526 Handle IDENTIFIER_NODE.
10527 (tree_verify_flow_info): Do not ICE when emitting error
10528 messages about invalid labels.
10529 (dump_function_to_file): Reset CFUN before emitting the body
10530 of the function.
10531 (debug_function): New.
10532 * passes.c (init_optimization_passes): Schedule
10533 pass_lower_omp.
10534 * langhooks-def.h (lhd_omp_predetermined_sharing,
10535 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10536 Declare.
10537 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10538 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10539 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10540 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10541 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10542 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10543 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10544 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10545 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10546 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10547 (LANG_HOOK_DECLS): Use them.
10549 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10550 Richard Henderson <rth@redhat.com>
10551 Jakub Jelinek <jakub@redhat.com>
10552 Diego Novillo <dnovillo@redhat.com>
10554 * c-parser.c (pragma_omp_clause): Define.
10555 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10556 (c_parser_compound_statement): Likewise.
10557 (c_parser_statement): Likewise.
10558 (c_parser_pragma): Handle omp pragmas.
10559 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10560 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10561 (c_parser_omp_clause_name, check_no_duplicate_clause,
10562 c_parser_omp_variable_list,
10563 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10564 c_parser_omp_clause_copyprivate,
10565 c_parser_omp_clause_default,
10566 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10567 c_parser_omp_clause_lastprivate,
10568 c_parser_omp_clause_nowait,
10569 c_parser_omp_clause_num_threads,
10570 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10571 c_parser_omp_clause_reduction,
10572 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10573 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10574 c_parser_omp_atomic, c_parser_omp_barrier,
10575 c_parser_omp_critical, c_parser_omp_flush,
10576 c_parser_omp_for_loop, c_parser_omp_for,
10577 c_parser_omp_master, c_parser_omp_ordered,
10578 c_parser_omp_sections_scope, c_parser_omp_sections,
10579 c_parser_omp_parallel, c_parser_omp_single,
10580 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10581 * c-pragma.c (init_pragma): Do omp pragma registration here.
10582 * c.opt (fopenmp): New flag.
10584 2006-01-18 Eric Christopher <echristo@apple.com>
10586 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10587 * config/darwin.h (GOMP_SELF_SPECS): Define.
10589 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10591 * rtl.h: Remove the prototype for reg_alloc.
10593 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10595 PR target/25731
10596 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10597 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10598 sjlj and dwarf2 exception handling.
10599 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10600 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10601 * pa/pa.c (function_value): Treat complex and vector types as
10602 aggregates.
10603 (function_arg): Likewise. Only pass scalar floats in the floating
10604 point argument registers.
10605 * pa/t-slibgcc-dwarf-ver: New file.
10606 * pa/t-slibgcc-sjlj-ver: New file.
10607 * pa/t-slibgcc-elf-ver: Delete file.
10609 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10611 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10612 unlikely_test_section_p test.
10614 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10616 * mode-switching.c (optimize_mode_switching): Make it static.
10617 * basic-block.h: Remove the prototype for
10618 optimize_mode_switching.
10620 * modulo-sched.c (sms_schedule): Make it static.
10621 * rtl.h: Remove the prototype for sms_schedule.
10623 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10624 * rtl.h: Remove the prototype for gcse_after_reload_main.
10626 * reg-stack.c (reg_to_stack): Make it static.
10627 * rtl.h: Remove the prototype for reg_to_stack.
10629 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10630 Make them static.
10631 * rtl.h: Remove the prototypes for regrename_optimize and
10632 copyprop_hardreg_forward.
10634 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10636 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10637 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10638 Test against the appropriate null constant for the mode.
10639 If 'fixup_overlap' is true, swap the operands if they overlap.
10640 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10641 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10642 alpha_split_tmode_pair and adjust for above change.
10643 * config/alpha/alpha.md (movtf_internal): Adjust call to
10644 alpha_split_tfmode_pair and rely on it to swap the operands.
10645 (movti_internal): New insn and post-reload splitter.
10646 (movti): New expander.
10648 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10650 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10651 operands.
10653 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10655 * rtlanal.c (global_reg_mentioned_p_1,
10656 global_reg_mentioned_p): Remove.
10657 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10659 * flow.c (initialize_uninitialized_subregs): Make it static.
10660 * rtl.h: Remove the prototype for
10661 initialize_uninitialized_subregs.
10663 * function.c (instantiate_virtual_regs): Make it static.
10664 * function.h: Remove the prototype for
10665 instantiate_virtual_regs.
10667 * regmove.c (regmove_optimize, combine_stack_adjustments):
10668 Make them static.
10669 * rtl.h: Remove the prototypes for regmove_optimize and
10670 combine_stack_adjustments.
10672 2006-01-17 Roger Sayle <roger@eyesopen.com>
10674 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10675 (size_cost): Encode costs in bytes so that a reg-reg addition is
10676 equivalent to COSTS_N_INSNS(1).
10677 (override_options): Use the size_cost.branch_cost as the default
10678 ix86_branch_cost when optimizing for size.
10680 2006-01-18 Ben Elliston <bje@au.ibm.com>
10682 * Makefile.in (D32PBIT_FUNCS): New.
10683 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10684 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10685 D64PBIT_FUNCS and D128PBIT_FUNCS.
10686 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10687 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10688 D128PBIT are set.
10689 (decnumber_dep): Define.
10690 * doc/libgcc.texi (Decimal float library routines): New node.
10691 * config/dfp-bit.h, config/dfp-bit.c: New files.
10693 2006-01-18 Ben Elliston <bje@au.ibm.com>
10695 * expr.c (emit_move_change_mode): Always adjust addresses, not
10696 just during reload. Copy replacements only during reload.
10697 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10698 emit_move_via_integer.
10700 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10702 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10703 instead of $(srcdir) and ${srcdir}.
10705 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10707 PR target/592
10708 PR middle-end/11135
10709 * arm.h (struct machine_function): Add pic_reg.
10710 * arm.c (arm_pic_register): Make unsigned.
10711 (arm_override_options): Only set arm_pic_register if
10712 TARGET_SINGLE_PIC_BASE.
10713 (use_return_insn): Only test for a pic register if it is fixed.
10714 (arm_compute_save_reg0_reg12_mask): Likewise.
10715 (thumb_compute_save_reg_mask): Likewise.
10716 (legitimate_pic_operand): Factor out some known invariants.
10717 (legitimize_pic_address): If we don't have a fixed pic register,
10718 then set up a pseudo in the function entry sequence. Handle the
10719 pic base being in a pseudo.
10720 (arm_load_pic_register): Handle the pic register being in a pseudo.
10721 (arm_expand_prologue): Only set up the pic register if it is fixed.
10722 (thumb_expand_prologue): Likewise.
10723 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10724 (pic_load_addr_based_insn): Likewise.
10725 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10726 fixed.
10728 2006-01-18 Ben Elliston <bje@au.ibm.com>
10730 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10731 decimal float modes for all floating point registers.
10733 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10734 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10736 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10738 PR c/25682
10739 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10740 even when the pointer is not NULL.
10742 2006-01-16 Ian Lance Taylor <ian@airs.com>
10744 * common.opt (ftoplevel-reorder): New option.
10745 * cgraph.c (cgraph_asm_nodes): New global variable.
10746 (cgraph_asm_last_node): New static variable.
10747 (cgraph_order): New global variable.
10748 (cgraph_create_node): Set new order field.
10749 (cgraph_varpool_node): Likewise.
10750 (decide_is_variable_needed): Return true if not
10751 flag_toplevel_reorder.
10752 (cgraph_add_asm_node): New function.
10753 * cgraph.h (struct cgraph_node): Add order field.
10754 (struct cgraph_varpool_node): Add order field.
10755 (struct cgraph_asm_node): Define.
10756 (cgraph_asm_nodes, cgraph_order): Declare.
10757 (cgraph_add_asm_node): Declare.
10758 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10759 function.
10760 (cgraph_varpool_assemble_pending_decls): Call it.
10761 (cgraph_output_pending_asms): New static function.
10762 (cgraph_finalize_compilation_unit): Call it.
10763 (struct cgraph_order_sort): Define.
10764 (cgraph_output_in_order): New static function.
10765 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10766 !flag_toplevel_reorder case.
10767 * c-parser.c: Include "cgraph.h".
10768 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10769 assemble_asm.
10770 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10771 than -fno-unit-at-a-time.
10772 * doc/invoke.texi (Option Summary): Mention
10773 -fno-toplevel-reorder.
10774 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10775 -funit-at-a-time documentation.
10777 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10778 Kazu Hirata <kazu@codesourcery.com>
10780 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10782 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10784 * Makefile.in (FUNCTION_H): New. Use it instead of
10785 function.h throughout the file.
10786 * function.h: Include tree.h.
10788 2006-01-17 Ben Elliston <bje@au.ibm.com>
10790 * recog.c: Separate some functions with whitespace.
10792 2006-01-16 Richard Henderson <rth@redhat.com>
10794 Merge from gomp branch:
10795 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10796 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10797 and rename from struct inline_data. Rename callee* to dst*;
10798 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10799 transform_new_cfg, transform_return_to_modify, and
10800 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10801 update_clones_p.
10802 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10803 (copy_decl_for_dup): Remove.
10804 * tree-inline.c (struct inline_data): Move to header.
10805 (insert_decl_map): Export.
10806 (remap_decl): Update for member name changes. Use copy_decl hook.
10807 Allow for replacement to be a non-decl. Remove dead code.
10808 (remap_type_1): Check for existing mapping.
10809 (remap_type): Export.
10810 (remap_decls): Update for member name changes.
10811 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10812 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10813 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10814 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10815 (tree_function_versioning, build_duplicate_type): Likewise.
10816 (copy_body_r): Likewise. Export.
10817 (copy_decl_for_dup): Split into ...
10818 (copy_decl_for_dup_finish, copy_decl_to_var,
10819 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10820 (replace_ref_tree, inlining_p): Remove.
10822 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10824 * ifcvt.c (if_convert): Make it static.
10825 * rtl.h: Remove the prototype for if_convert.
10827 * local-alloc.c (local_alloc): Make it static.
10828 * rtl.h: Remove the prototype for local_alloc.
10830 * loop.c (loop_optimize): Make it static.
10831 * cfgloop.h: Remove the prototype for loop_optimize.
10832 * rtl.h: Likewise.
10834 2006-01-16 DJ Delorie <dj@redhat.com>
10836 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10837 mems.
10839 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10841 * pa.md: Disparage copies between general and floating-point registers
10842 in 32-bit move patterns.
10844 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10846 PR testsuite/25741
10847 * Makefile.in (check-%): Depend on site.exp instead of
10848 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10849 directories.
10851 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10853 * global.c (global_alloc): Make it static.
10854 * rtl.h: Remove the prototype for global_alloc.
10856 2006-01-16 Richard Guenther <rguenther@suse.de>
10858 * tree-ssa-alias.c (struct used_part): Add write_only field.
10859 (get_or_create_used_part_for): Initialize it to true.
10860 (create_overlap_variables_for): Don't create structure variables
10861 for structures that only are written to.
10862 (find_used_portions): Handle MODIFY_EXPR to track whether a
10863 structure is only written to.
10865 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10867 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10868 static.
10869 * basic-block.h: Remove the prototype for
10870 partition_hot_cold_basic_blocks.
10872 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10874 * cppspec.c (lang_specific_spec_functions): Remove.
10875 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10876 * gcc.h (lang_specific_spec_functions): Remove.
10877 * gccspec.c (lang_specific_spec_functions): Remove.
10879 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10881 * combine.c (record_value_for_reg): Invalidate registers
10882 if INSN is null.
10883 (record_dead_and_set_regs_1): Likewise, by passing them to
10884 record_value_for_reg.
10885 (record_dead_and_set_regs): Invalidate stores made by a
10886 call. We do not combine across a call, but we still
10887 relied on equivalences.
10889 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10891 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10892 vrp_int_const_binop returning non-constant nodes.
10894 2006-01-16 Paul Brook <paul@codesourcery.com>
10896 * config/m68k/m68k.c (output_move_const_into_data_reg):
10897 Output correct mnemonic for mvz and mvs.
10899 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10901 * rtl-factoring.c: Add sequence abstraction algorithm.
10902 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10903 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10904 ABNORMAL edges.
10905 (block_has_preserve_label): New function.
10906 * common.opt: Register new pass.
10907 * Makefile.in: Ditto.
10908 * passes.c: Ditto.
10909 * timevar.def: Ditto.
10910 * tree-pass.h: Ditto.
10911 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10912 * rtl.h (make_jump_insn_raw): Add forward decl.
10913 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10915 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10916 Roger Sayle <roger@eyesopen.com>
10918 * fold-const.c (fold_minmax): New static function.
10919 (fold_binary) <MIN_EXPR>: Call it.
10920 <MAX_EXPR>: Likewise.
10921 * stor-layout.c (place_field): Use DECL_SIZE consistently
10922 in the computation of the new record size.
10924 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10926 * cse.c (cse_condition_code_reg): Make it static.
10927 * rtl.h: Remove the prototype for cse_condition_code_reg.
10929 * combine.c (combine_instructions): Make it static.
10930 * rtl.h: Remove the prototype for combine_instructions.
10932 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10934 PR target/25168
10935 * tree.c (get_file_function_name_long): Concatenate the first global
10936 object name with a string derived from the input filename of the object
10937 for type "F".
10939 2006-01-16 Ben Elliston <bje@au.ibm.com>
10941 * config/i386/winnt-stubs.c: Update FSF address.
10942 * config/xtensa/ieee754-df.S: Ditto.
10943 * config/xtensa/ieee754-sf.S: Ditto.
10945 2006-01-14 Ian Lance Taylor <ian@airs.com>
10947 * ifcvt.c (noce_init_if_info): New static function, broken out of
10948 noce_process_if_block.
10949 (noce_process_if_block): Call noce_init_if_info.
10950 (check_cond_move_block): New static function.
10951 (cond_move_process_if_block): New static function.
10952 (process_if_block): Call cond_move_process_if_block.
10954 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10956 * cselib.c (hash_table): Rename to cselib_hash_table.
10957 (cselib_clear_table, discard_useless_values,
10958 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10959 cselib_init, cselib_finish): Adjust uses of hash_table.
10961 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10963 PR tree-optimization/25485
10964 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10965 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10966 is known to be false and true, respectively.
10968 2006-01-14 Richard Guenther <rguenther@suse.de>
10970 PR tree-optimization/22548
10971 PR tree-optimization/22555
10972 PR tree-optimization/22501
10973 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10974 * params.def (salias-max-array-elements): New parameter.
10975 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10976 * doc/invoke.texi (salias-max-array-elements): Document.
10977 * tree-flow-inline.h (var_can_have_subvars): We also handle
10978 arrays now.
10979 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10980 COMPONENT_REF.
10981 * tree-ssa-structalias.c (params.h): Include.
10982 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10983 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10984 (get_constraint_for): For ADDR_EXPR operating on something
10985 containing an ARRAY_REF, add all subvars to the solution.
10986 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10987 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10988 for creating MUST_DEFs.
10989 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10991 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10993 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10994 functions.
10995 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10996 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10997 number_of_iterations_le): New functions.
10998 (number_of_iterations_special): Removed.
10999 (number_of_iterations_exit): Do not use number_of_iterations_special.
11000 * tree.c (unsigned_type_for): Always return integer type.
11002 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11003 Richard Guenther <rguenther@suse.de>
11005 PR rtl-optimization/24257
11006 * gcse.c (find_moveable_store): Only consider a store movable
11007 when the SET_SRC of the insn can be assigned to a register.
11009 2006-01-14 Ian Lance Taylor <ian@airs.com>
11011 * tree.c (tree_not_class_check_failed): New function.
11012 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11013 (tree_not_class_check_failed): Declare.
11015 2006-01-13 Ian Lance Taylor <ian@airs.com>
11017 * reload1.c (do_output_reload): Add assertion rejecting a
11018 CALL_INSN.
11020 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11022 * combine.c (struct reg_stat): Add new fields truncation_label and
11023 truncated_to_mode.
11024 (record_value_for_reg): Reset truncated_to_mode.
11025 (record_truncated_value): New function.
11026 (check_promoted_subreg): Call it. Rename to check_conversions.
11027 (combine_instructions): Rename check_promoted_subreg to
11028 check_conversions.
11029 (reg_truncated_to_mode): New function.
11030 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11031 (gen_lowpart_or_truncate): New function.
11032 (force_to_mode): Use it instead of gen_lowpart.
11034 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11036 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11037 VAR is a tag, not its type tag.
11039 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11041 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11042 alternatives to match style of other entries.
11043 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11045 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11047 PR tree-optimization/25771
11048 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11049 SSA_NAMES.
11051 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11053 PR tree-opt/24365
11054 * tree-inline.c (declare_return_variable): If the return variable
11055 was marked as a non gimple complex, set the return slot variable
11056 to be a non gimple comple variable.
11058 2006-01-13 Richard Guenther <rguenther@suse.de>
11060 * builtins.c (expand_builtin_sincos): New function.
11061 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11062 do not set errno.
11063 (expand_builtin): Expand sincos using expand_builtin_sincos.
11065 2006-01-12 DJ Delorie <dj@redhat.com>
11067 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11068 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11069 so that constant shifts can be split.
11070 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11071 (m32c_valid_pointer_mode): Make static.
11072 (shift_gen_func_for): New.
11073 (m32c_prepare_shift): Use it. Split large const shifts into
11074 multiple shifts.
11075 * config/m32c/predicates.md (shiftcount_operand): Allow more
11076 general operands.
11077 (longshiftcount_operand): New.
11078 * doc/md.texi (Machine Constraints): Document In6.
11080 2006-01-13 Ben Elliston <bje@au.ibm.com>
11082 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11083 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11084 documentation.
11086 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11088 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11089 to try to avoid clobbering pieces of structures when we know
11090 something about the whole structure.
11091 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11093 2006-01-13 Ben Elliston <bje@au.ibm.com>
11095 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11096 return in memory, as this is no limitation is no longer present.
11098 2006-01-12 DJ Delorie <dj@redhat.com>
11100 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11101 mova with fb, and for fb+0 -> An.
11103 * config/m32c/mov.md (peephole2): Fix enabling logic.
11105 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11106 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11107 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11108 FINI_ARRAY_SECTION_ASM_OP): Define.
11110 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11111 variable.
11112 (m32c_legitimize_reload_address): New logic to reload FB to An.
11113 (m32c_output_reg_push): Add newline.
11114 (m32c_output_reg_pop): Likewise.
11116 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11118 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11120 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11122 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11124 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11126 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11127 match_code.
11129 2006-01-11 Ben Elliston <bje@au.ibm.com>
11131 * rtlanal.c (find_reg_note): Assert insn is not null.
11133 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11135 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11136 ifdef.
11138 2006-01-11 Jeff Law <law@redhat.com>
11140 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11141 hold edge pairs.
11142 (mark_threaded_blocks, register_jump_thread): New functions.
11143 (thread_through_all_blocks): Remove unwanted argument. No
11144 longer rely on e->aux to communicate thread target info.
11145 Call mark_threaded_blocks. Release the threaded_blocks
11146 bitmap and threaded_edges vector when complete.
11147 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11148 (threaded_blocks): Remove.
11149 (tree_ssa_dominator_optimize): Remove initialization and
11150 finalization of threaded_blocks. Simplify call to
11151 thread_through_all_blocks.
11152 (thread_across_edge): Call register_jump_thread rather than
11153 storing thread information into e->aux.
11154 (free_all_edge_infos): Simplify now that e->aux is no longer
11155 used to communicate with thread_through_all_blocks.
11156 * tree-flow.h (thread_through_all_blocks): Update prototype.
11157 (register_jump_thread): Prototype.
11159 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11161 * df-core.c (df_compact_blocks, df_bb_replace): Use
11162 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11164 2006-01-11 Richard Guenther <rguenther@suse.de>
11166 PR tree-optimization/25734
11167 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11168 stop propagation after successful propagation to the LHS.
11170 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11172 * basic-block.h (control_flow_graph): Change the type of
11173 x_basic_block_info to VEC(basic_block,gc) *.
11174 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11175 basic_block_info.
11176 (SET_BASIC_BLOCK): New.
11177 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11178 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11179 * cfgbuild.c (find_basic_blocks): Likewise.
11180 * cfglayout.c (fixup_reorder_chain): Likewise.
11181 * cfgrtl.c (create_basic_block_structure,
11182 rtl_create_basic_block): Likewise.
11183 * ifcvt.c (find_if_case_1): Likewise.
11184 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11185 Likewise.
11187 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11189 * Makefile.in: Removed rotted odf.c entry.
11191 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11193 PR target/25706
11194 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11195 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11196 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11197 output pattern modifier, not %e.
11198 * config/cris/cris.c (cris_op_str): Update comment about pattern
11199 modifier.
11200 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11201 before falling through into...
11202 <case 'E'>: Redefined from old 'e' case.
11204 2006-01-11 Jan Hubicka <jh@suse.cz>
11206 PR target/25042
11207 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11209 2006-01-11 Jan Hubicka <jh@suse.cz>
11211 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11212 * i386.c (x86_decompose_lea): Kill.
11213 (ix86_rtx_costs): Kill.
11215 2006-01-11 Jan Hubicka <jh@suse.cz>
11217 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11218 * cgraph.h (cgraph_node): Add inline_decl.
11219 (cgraph_insert_node_to_hashtable): Declare.
11220 (save_inline_function_body): Declare.
11221 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11222 clones.
11223 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11224 (cgraph_function_versioning): Update call of tree_function_versioning.
11225 (save_inline_function_body): New function.
11226 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11227 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11228 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11229 (cgraph_default_inline_p): Likewise.
11230 (cgraph_decide_inlining_incrementally): Likewise.
11231 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11232 (copy_bb): Kill saving; do updating of clones.
11233 (copy_cfg_body): Kill saving.
11234 (initialize_inlined-parameters): Likewise.
11235 (expand_call_inline): Likewise.
11236 (save_body): Kill.
11237 (tree_function_versioning): New parameter "update_clones".
11238 (inlining_p): Kill saving.
11239 * tree-inline.h (tree_function_versioning): Update prototype.
11240 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11241 saving.
11243 2006-01-11 Ian Lance Taylor <ian@airs.com>
11245 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11246 Allow undoing set of machine mode.
11247 (do_SUBST): Use enums instead of is_int.
11248 (do_SUBST_MODE): New function.
11249 (SUBST_MODE): New macro.
11250 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11251 reg and trying to replace reg_regno_rtx with a new register.
11252 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11253 (simplify_set): Use SUBST_MODE.
11254 (distribute_notes): Remove code that tried to update reg notes
11255 for regno_reg_rtx changes.
11257 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11259 PR tree-optimization/23109
11260 PR tree-optimization/23948
11261 PR tree-optimization/24123
11263 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11264 * tree-cfg.c (single_noncomplex_succ): New.
11265 * tree-flow.h (single_noncomplex_succ): Declare it.
11266 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11267 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11268 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11269 insert_bb, register_division_in, insert_reciprocals,
11270 replace_reciprocal, free_bb): New.
11271 (execute_cse_reciprocals_1): Rewritten.
11272 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11273 Do not commit any edge insertion. Always compute dominators and
11274 create the allocation pool.
11275 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11276 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11277 * targhooks.c (default_min_divistions_for_recip_mul): New.
11278 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11279 * passes.c (init_optimization_passes): Run recip after tree loop
11280 optimizations.
11281 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11283 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11284 Kenneth Zadeck <zadeck@naturalbridge.com>
11286 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11287 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11288 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11289 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11290 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11291 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11292 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11293 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11294 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11295 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11296 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11297 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11298 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11299 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11300 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11301 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11302 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11303 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11304 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11305 DF_SCAN_POST_ALLOC): New macros.
11306 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11307 df_free_bb_function, df_local_compute_function, df_init_function,
11308 df_dataflow_function, df_confluence_function_0,
11309 df_confluence_function_n, df_transfer_function,
11310 df_finalizer_function, df_free_function, df_dump_problem_function,
11311 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11312 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11313 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11314 df_urec_bb_info, ) New types.
11315 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11316 variables.
11317 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11318 df_analyze_simple_change_some_blocks,
11319 df_analyze_simple_change_one_block, df_compact_blocks,
11320 df_bb_replace, df_bb_regno_last_use_find,
11321 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11322 df_insn_regno_def_p, df_find_def, df_find_use,
11323 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11324 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11325 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11326 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11327 debug_df_chain, df_get_dependent_problem, df_chain_create,
11328 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11329 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11330 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11331 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11332 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11333 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11334 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11335 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11336 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11337 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11338 df_reorganize_refs, df_set_state, df_hard_reg_init,
11339 df_read_modify_subreg_p) New public functions.
11340 * df-core.c: The core dataflow solver and glue routines for rtl
11341 dataflow.
11342 (df_init, df_add_problem, df_set_blocks, df_finish,
11343 df_hybrid_search_forward, df_hybrid_search_backward,
11344 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11345 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11346 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11347 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11348 df_reg_defined, df_find_use, df_reg_used, df_dump,
11349 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11350 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11351 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11352 debug_df_useno, reset_df_after_reload): New functions.
11353 * df-scan.c: The scanning fuctions, once in df.c, completely
11354 rewritten so that they now fully model the functionality of
11355 register usage at the backend.
11356 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11357 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11358 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11359 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11360 df_get_artificial_defs, df_get_artificial_uses,
11361 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11362 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11363 df_refs_delete, df_reorganize_refs, df_set_state,
11364 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11365 df_def_record_1, df_defs_record, df_uses_record,
11366 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11367 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11368 df_record_exit_block_uses, df_hard_reg_init): New functions.
11370 * df-problems.c: Seven concrete dataflow problems that use the
11371 scanning in df-scan.c and are solved by the engine in df-core.c.
11372 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11373 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11374 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11375 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11376 df_ru_free_bb_info, df_ru_alloc,
11377 df_ru_bb_local_compute_process_def,
11378 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11379 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11380 df_ru_transfer_function, df_ru_free, df_ru_dump,
11381 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11382 df_rd_free_bb_info, df_rd_alloc,
11383 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11384 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11385 df_rd_transfer_function, df_rd_free, df_rd_dump,
11386 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11387 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11388 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11389 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11390 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11391 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11392 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11393 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11394 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11395 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11396 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11397 df_urec_mark_reg_use_for_earlyclobber,
11398 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11399 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11400 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11401 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11402 df_chain_create_bb_process_use, df_chain_create_bb,
11403 df_chain_finalize, df_chain_free, df_chains_dump,
11404 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11405 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11406 df_reg_lifetime): New functions.
11407 * df.c: Deleted file.
11408 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11409 consistent with new df api.
11410 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11411 rest_of_handle_sms): Ditto.
11412 * web.c (unionfind_union, union_defs, entry_register, web_main):
11413 Ditto.
11414 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11415 invariant_expr_equal_p, find_defs, check_dependencies,
11416 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11417 free_inv_motion_data, move_loop_invariants): Ditto.
11418 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11419 Update dependencies.
11420 (odf.c): Added defective entry that was deleted later in day.
11421 * sched-deps.c (sched_analyze_1): Ditto.
11423 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11425 * tree-ssa-operands.c (get_expr_operands): Record addressable
11426 variables directly. Do not call add_stmt_operands for CONST_DECLs
11427 and ARRAY_DECLs.
11428 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11429 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11431 2006-01-11 Ben Elliston <bje@au.ibm.com>
11433 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11434 function returns true in the positive case.
11436 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11438 PR target/20754
11439 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11440 for SI, DI, SF and DF modes. Add alternatives to copy between
11441 general and floating point registers to the 32-bit patterns.
11442 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11443 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11444 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11445 generating 64-bit code.
11446 * config/pa/pa.c (output_move_double): Handle copies between general
11447 and floating registers.
11449 2006-01-10 Stuart Hastings <stuart@apple.com>
11451 * config/i386/i386.md (set_got): Update.
11452 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11453 (builtin_setjmp_receiver): Mach-O support.
11454 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11455 (GOT_SYMBOL_NAME): Define.
11456 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11457 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11458 * config/i386/i386.c (override_options): Revise for Darwin.
11459 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11460 support. (darwin_x86_file_end): New. (output_set_got): Add label
11461 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11462 * config/i386/i386-protos.h (output_set_got): Likewise.
11463 * config/darwin.c (machopic_legitimize_pic_address): Update
11464 regs_ever_live[].
11466 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11468 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11469 when MODE isn't BLKmode.
11471 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11473 PR rtl-optimization/25367
11474 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11476 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11478 PR target/25718
11479 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11480 for a negative bound.
11482 2006-01-10 Richard Guenther <rguenther@suse.de>
11484 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11485 Never override with anything constraint.
11487 2006-01-10 Jan Beulich <jbeulich@novell.com>
11489 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11490 256 bits when optimize_size.
11492 2006-01-10 Jan Beulich <jbeulich@novell.com>
11494 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11495 MASK_ALIGN_DOUBLE.
11496 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11497 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11498 arguments.
11500 2006-01-10 Ben Elliston <bje@au.ibm.com>
11502 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11503 float modes.
11504 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11505 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11506 (USE_FP_FOR_ARG): Reject decimal float modes.
11507 (function_arg_advance): Likewise.
11508 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11509 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11510 point types in AltiVec vectors.
11511 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11512 (rs6000_libcall_value): Likewise.
11514 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11516 * config/xtensa/ieee754-df.S: New file.
11517 * config/xtensa/ieee754-sf.S: New file.
11518 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11519 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11520 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11522 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11524 * config/sh/predicates.md (binary_float_operator,
11525 binary_logical_operator, commutative_float_operator,
11526 equality_comparison_operator, greater_comparison_operator,
11527 less_comparison_operator, logical_operator,
11528 noncommutative_float_operator, shift_operator,
11529 symbol_ref_operand, unary_float_operator): Remove redundant
11530 conditionals.
11532 2006-01-09 Jeff Law <law@redhat.com>
11534 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11535 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11536 now unused arguments. Callers updated.
11537 (eliminate_redundant_computations): Remove now unused arguments,
11538 callers updated.
11539 (local_fold): Remove, no longer used.
11540 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11541 and moved to...
11542 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11543 (simplify_cond): New function.
11544 (forward_propagate_into_cond): Call simplify_cond.
11546 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11548 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11549 (*vec_extractv2di_1_sse): New.
11551 2006-01-09 Ben Elliston <bje@au.ibm.com>
11553 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11555 2006-01-08 Richard Guenther <rguenther@suse.de>
11557 * tree-ssa-structalias.c (get_constraint_for): Remove
11558 anyoffset argument.
11559 (get_constraint_for_component_ref): Likewise.
11560 (do_deref): Likewise.
11561 (get_constraint_for): Likewise.
11562 (do_structure_copy): Likewise.
11563 (handle_ptr_arith): Likewise.
11564 (find_func_aliases): Likewise. Remove unused need_anyoffset
11565 variable.
11567 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11568 Kaz Kojima <kkojima@gcc.gnu.org>
11570 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11571 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11572 (EXTRA_CONSTRAINT_C16): Remove.
11573 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11574 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11575 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11576 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11577 constants of SHmedia. Handle nested constant expressions of
11578 SHmedia correctly.
11579 (andcosts): Fix the costs for SHmedia constants.
11580 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11581 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11582 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11583 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11584 (movv4hi_i, movv2si_i): Likewise.
11585 (movsi_const): Adjust the second operand of ior so to match with
11586 the Csu constraint.
11587 (movdi_const, movdi_const_32bit): Likewise.
11588 (movdi_const_16bit+1): Don't sign-extend LOW.
11589 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11590 step.
11591 (*double_shori): Fix the split condition. Use GEN_INT instead
11592 of get_int_mode calls. Mask lower 16-bit of the argument of
11593 the last GEN_INT.
11594 (sym2GOTPLT): Remove.
11595 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11596 gen_rtx_UNSPEC.
11597 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11598 instead of EXTRA_CONSTRAINT_C16.
11600 2006-01-07 Ian Lance Taylor <ian@airs.com>
11601 David Edelsohn <edelsohn@gnu.org>
11603 PR rtl-optimization/25662
11604 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11605 for constant operands instead of simplify_gen_binary.
11606 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11607 after trying simplify_binary_operation
11609 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11611 * tree.c (iterative_hash_expr): Hash decls based on UID.
11613 2006-01-06 Eric Christopher <echristo@apple.com>
11615 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11616 (TARGET_UNWIND_EMIT): Fix spelling.
11617 * target.h (gcc_target): Add except_table_label.
11618 * except.c (output_function_exception_table): Use.
11619 * varasm.c (default_emit_except_table_label): New.
11620 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11621 define.
11622 (asm_out): Add here.
11623 * output.h (default_emit_except_table_label): Prototype.
11624 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11625 * config/darwin.c (darwin_emit_except_table_label): Define.
11626 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11628 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11630 PR tree-optimization/18527
11631 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11632 number_of_iterations_special, number_of_iterations_exit):
11633 Move base and step of an iv to a single structure. Add
11634 no_overflow flag, and use it in # of iterations analysis.
11635 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11636 folded_casts argument.
11637 (simple_iv): Pass base and step in a structure. Set no_overflow
11638 flag.
11639 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11640 Evaluate expensiveness of computing # of iterations instead of
11641 the final expression.
11642 * tree-scalar-evolution.h (affine_iv): New structure.
11643 (simple_iv): Declaration changed.
11644 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11645 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11646 find_givs_in_stmt): Changed due to simple_iv change.
11648 2006-01-06 Jeff Law <law@redhat.com>
11650 PR ada/24994
11651 * tree-cfg.c (bsi_replace): Rename final argument from
11652 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11653 change (stmt -> orig_stmt).
11654 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11655 (bsi_remove): Add new argument. Remove EH information
11656 if requested.
11657 (verify_eh_throw_table_statements): New function.
11658 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11659 updated.
11660 * tree-optimize.c (execute_free_cfg_annotations): Verify
11661 the EH throw statement table after removing annotations.
11662 * except.h (verify_eh_throw_table_statements): Prototype.
11663 * tree-flow.h (bsi_remove): Update prototype.
11664 * tree-vrp.c (remove_range_assertions): Add new argument to
11665 bsi_remove call.
11666 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11667 * tree-complex.c (expand_complex_div_wide): Likewise.
11668 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11669 * tree-tailcall.c (eliminate_tailcall): Likewise.
11670 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11671 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11672 * tree-nrv.c (tree_nrv): Likewise.
11673 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11674 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11675 (combine_blocks): Likewise.
11676 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11677 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11678 (cleanup_control_flow): Likewise.
11679 (remove_forwarder_block): Likewise.
11680 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11681 * tree-sra.c (sra_replace): Likewise.
11682 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11683 (forward_propagate_single_use_vars): Likewise.
11684 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11685 * tree-inline.c (expand_call_inline): Likewise.
11686 * tree-vect-transform.c (vect_transform_loop): Likewise.
11687 * tree-outof-ssa.c (rewrite_trees): Likewise.
11688 * tree-cfg.c (make_goto_expr_edges): Likewise.
11689 (cleanup_dead_labels): Likewise.
11690 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11691 (bsi_move_before, bsi_move_after): Likewise.
11692 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11693 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11695 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11697 PR tree-opt/25528
11698 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11699 and IMAGPART_EXPR.
11700 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11701 on non gimple variables. Also add checks at the top for decls and
11702 mtags.
11703 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11704 complex types.
11705 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11706 and IMAGPART_EXPR for creating MUST_DEFs.
11707 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11708 and NAME_MEMORY_TAG separately from the DECLs.
11710 2006-01-06 Richard Guenther <rguenther@suse.de>
11712 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11713 annotation, if necessary.
11714 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11715 redundant calls to update_stmt.
11716 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11717 Likewise.
11719 2006-01-05 Richard Henderson <rth@redhat.com>
11721 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11723 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11725 * c-typeck.c: Update copyright date.
11727 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11729 * c-typeck.c (build_c_cast): Always warn when casting
11730 from a pointer to an integer of different size, even if
11731 the node was constant.
11733 2006-01-05 Richard Guenther <rguenther@suse.de>
11735 PR tree-optimization/22555
11736 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11737 if one structure field is an array.
11738 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11739 operands even if we found a subvar, but ignore VOPs in this
11740 case.
11741 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11742 for renaming.
11743 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11745 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11747 PR middle-end/24998
11748 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11750 2006-01-05 Richard Guenther <rguenther@suse.de>
11751 Diego Novillo <dnovillo@redhat.com>
11753 * tree-pass.h (TODO_remove_unused_locals): Define.
11754 * gimple-low.c (expand_var_p, remove_useless_vars,
11755 pass_remove_useless_vars): Remove. Update all users.
11756 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11757 (remove_unused_locals): New function.
11758 * tree-flow.h (remove_unused_locals): Declare.
11759 * passes.c (execute_todo): Call remove_unused_locals if
11760 TODO_remove_unused_locals is set.
11761 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11762 * tree-ssa-dce.c (pass_dce): Likewise.
11763 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11765 2006-01-05 Richard Guenther <rguenther@suse.de>
11767 * tree-flow.h (struct fieldoff): Decompose field to
11768 type, size and decl.
11769 * tree-ssa-alias.c (create_sft): Take type as parameter.
11770 (create_overlap_variables_for): Store type, size and decl
11771 in the fieldoff structure.
11772 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11773 of struct fieldoff.
11774 (push_fields_onto_fieldstack): Likewise.
11775 (create_variable_info_for): Likewise. Use offset for the
11776 SFT name if the decl is not available.
11778 2006-01-04 Paul Brook <paul@codesourcery.com>
11780 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11782 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11784 * lambda-code.c (can_put_in_inner_loop): Relax
11785 restrictions.
11786 (can_put_after_inner_loop): New function.
11787 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11788 (perfect_nestify): Change to make copies and modify uses.
11790 2006-01-04 Richard Henderson <rth@redhat.com>
11792 Merge from gomp branch:
11793 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11794 via integer constant.
11795 (pragma_lex): Remove.
11796 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11797 rather than parsing it.
11798 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11799 handle_pragma_extern_prefix): Add %< %> quotes.
11800 (registered_pragmas): New.
11801 (c_register_pragma_1): New.
11802 (c_register_pragma): Use it.
11803 (c_register_pragma_with_expansion): Likewise.
11804 (c_invoke_pragma_handler): New.
11805 (init_pragma): Use cpp_register_deferred_pragma directly for
11806 pch_preprocess.
11807 * c-pragma.h (enum pragma_kind): New.
11808 (pragma_handler): New.
11809 (c_invoke_pragma_handler): Declare.
11810 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11811 CPP_PRAGMA_EOL.
11812 * c-common.h (c_common_pch_pragma): Update decl.
11813 * Makefile.in (c-parser.o): Update dependencies.
11814 (GTFILES): Add c-pragma.h.
11815 * c-parser.c (struct c_token): Add pragma_kind.
11816 (struct c_parser): Add in_pragma.
11817 (c_lex_one_token): Always initialize keyword and pragma_kind.
11818 Extract data for CPP_PRAGMA.
11819 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11820 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11821 Don't allow CPP_PRAGMA_EOL if in_pragma.
11822 (c_parser_consume_pragma): New.
11823 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11824 (c_parser_skip_to_end_of_parameter): Likewise.
11825 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11826 (c_parser_skip_to_pragma_eol): New.
11827 (c_parser_external_declaration): Handle CPP_PRAGMA.
11828 (c_parser_compound_statement_nostart): Likewise.
11829 (c_parser_statement_after_labels): Likewise.
11830 (c_parser_pragma): New.
11831 (pragma_lex): Likewise.
11832 (c_parser_pragma_pch_preprocess): New.
11833 (c_parser_new): Merge into ...
11834 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11836 2006-01-04 Jeff Law <law@redhat.com>
11838 PR ada/24994
11839 * tree-cfg.c (bsi_replace): Remove the original statement
11840 from the EH throw statement table.
11842 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11844 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11845 make the prototype extern "C" and add throw ().
11847 PR target/25554
11848 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11849 and pos non-negative and pos + len <= 32.
11850 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11851 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11852 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11854 PR c/25559
11855 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11856 as well as sizes not multiple of component size.
11858 PR debug/25562
11859 * function.c (instantiate_expr): New function.
11860 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11861 walk its DECL_VALUE_EXPR with instantiate_expr.
11863 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11864 DW_OP_deref{,_size} if address isn't going to be added.
11866 2006-01-04 Ben Elliston <bje@au.ibm.com>
11868 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11869 * config/fp-bit.c: Likewise.
11871 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11873 * dominance.c: Add comment about why we use DFS numbering
11874 of dominance tree.
11876 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11877 Richard Henderson <rth@redhat.com>
11879 Merge from gomp-branch:
11880 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11881 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11883 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11885 PR rtl-optimization/25578
11886 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11887 pass a parameter to simplify_shift_const if changing ASHIFTRT
11888 to LSHIFTRT.
11890 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11892 * builtins.c (get_builtin_sync_mem): New function.
11893 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11894 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11895 Call get_builtin_sync_mem to generate mem rtx.
11897 2006-01-03 Richard Guenther <rguenther@suse.de>
11899 PR c/25183
11900 * stmt.c (add_case_node): Make sure to clear overflow flags
11901 from ranges.
11903 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11905 Merge from gomp-branch.
11906 * config/sparc/sync.md: New file.
11907 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11908 UNSPECV_LDSTUB): New constants.
11909 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11910 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11911 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11912 prototype.
11914 2006-01-03 Roger Sayle <roger@eyesopen.com>
11916 * combine.c (reg_subword_p): New predicate to test whether the
11917 destination of a set refers to a subword/piece of a register.
11918 (try_combine): Generalize the code to merge the setting of a
11919 pseudo to a constant followed by a set of a subword of that
11920 register to a constant.
11922 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11924 * basic-block.h (control_flow_graph): Change the type of
11925 x_label_to_block_map to VEC(basic_block,gc) *.
11926 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11927 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11929 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11930 VEC(basic_block,heap) *.
11931 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11932 ssa_prop_fini): Adjust the uses of cfg_blocks.
11934 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11936 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11937 COMPONENT_REFs.
11938 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11939 hashing trees instead of a pointer hash.
11940 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11941 compare for MEM_EXPR.
11943 PR rtl-optimization/25130
11944 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11945 when comparing MEMs for GCSE
11947 2006-01-03 Ben Elliston <bje@au.ibm.com>
11949 * targhooks.h (default_decimal_float_supported_p): Declare.
11950 * targhooks.c (default_decimal_float_supported_p): Define.
11951 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11952 `default_decimal_float_supported_p'.
11953 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11955 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11957 * combine.c (apply_distributive_law <SUBREG>): Check
11958 TRULY_NOOP_TRUNCATION.
11960 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11962 * dwarf2out.c (have_switched_text_section): Delete.
11963 (have_multiple_function_sections): New.
11964 (have_location_lists): Make 'bool'.
11965 (add_AT_loc_list): Use 'true' not '1'.
11966 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11967 (output_loc_list): Use have_multiple_function_sections.
11968 (output_ranges): Likewise.
11969 (dwarf2out_begin_function): Set have_multiple_function_sections if
11970 necessary.
11971 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11972 Check function_section rather than DECL_SECTION_NAME.
11973 (dwarf2out_finish): Use have_multiple_function_sections.
11974 Don't clear have_location_lists.
11976 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11977 Jan Hubicka <jh@suse.cz>
11979 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11980 case of conditional jump jumping to the next instruction.
11981 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11982 cases of conditional jump jumping to the next instruction.
11984 2006-01-02 Jan Hubicka <jh@suse.cz>
11986 * i386.c (*_cost): Add COSTS_N_INSNS.
11987 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11989 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11991 PR target/25259
11992 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11994 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11996 * config/arm/arm.c (all_fpus): Fix comment typo.
11997 * config/darwin.c: Likewise.
11998 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11999 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12000 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12002 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12004 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12005 (rs6000_split_compare_and_swapqhi): New.
12006 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12007 (sync_compare_and_swapqhi_internal): New.
12008 * config/rs6000/rs6000-protos.h: Declare.