1 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7 Ulrich Weigand <uweigand@de.ibm.com>
10 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18 Define secondary reloads for TFmode moves.
19 (constant_modes): Add TFmode.
20 (NR_C_MODES): Set to 8.
21 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
23 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
24 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
25 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
26 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
27 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
28 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
29 (FPR mode macro): Add TFmode.
30 (DSF mode macro): New.
31 (<de>, <dee> mode attributes): Removed.
32 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
33 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
34 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
35 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
36 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
37 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
38 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
39 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
40 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
41 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
42 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
43 "*negabs<mode>2", "sqrt<mode>2"):
44 Changed <de> to <xde>. R constraint replaced by <Rf>.
45 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
47 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
48 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
49 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
51 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
52 "extenddftf2", "extendsftf2"): New expanders.
53 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
54 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
55 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
56 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
58 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
59 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
60 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
61 __floatditf): Add a GCC_4.1.0 symbol version tag.
62 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
65 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
68 * config/i386/i386.c (ix86_function_ok_for_sibcall):
69 Use targetm.binds_local_p instead of TREE_PUBLIC.
71 2006-02-02 Roger Sayle <roger@eyesopen.com>
73 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
74 on INTEGER_TYPEs to indicate that it denotes a character type.
75 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
76 signed_char_type_node, unsigned_char_type_node and char_type_node.
77 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
78 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
79 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
81 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
82 Daniel Berlin <dberlin@dberlin.org>
84 * tree-tailcall.c (arg_needs_copy_p): New function.
85 (eliminate_tail_call): Use arg_needs_copy_p.
86 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
87 (add_virtual_phis): New function.
89 2006-02-02 Jakub Jelinek <jakub@redhat.com>
91 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
92 #ignore instead of #scratch for %g7 .register directive.
94 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
96 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
99 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
101 * flow.c (calculate_global_regs_live): Assert that there aren't any
104 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
106 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
108 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
109 bsi_after_labels iterator.
110 * tree-if-conv.c (find_phi_replacement_condition,
111 replace_phi_with_cond_modify_expr): Likewise.
112 * tree-scalar-evolution.c (scev_const_prop): Likewise.
113 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
115 2006-02-02 Diego Novillo <dnovillo@redhat.com>
117 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
119 2006-02-02 Diego Novillo <dnovillo@redhat.com>
122 * tree-cfg.c (move_block_to_fn): Clear out the basic block
123 array after growing it.
125 2006-02-01 Steve Ellcey <sje@cup.hp.com>
128 * fold-const.c (fold_checksum_tree): Change type of buf.
130 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
132 * reload.c (push_secondary_reload): Initialize t_icode.
134 2006-02-01 Jakub Jelinek <jakub@redhat.com>
136 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
137 -msoft-float -mlong-double-128 only issue a warning, but don't
138 swich to DFmode long double.
140 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
142 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
143 has a constant equivalent, iterate over equivalents for arg0,
144 calling simplify_relational_operation and if there's a result
145 cheaper than X, apply fold_rtx and return the result.
147 2006-02-01 Jan Hubicka <jh@suse.cz>
149 * opts.c (no_unit_at_a_time_default): New global variable.
150 (decode_options): Use it.
151 * opts.h (no_unit_at_a_time_default): Declare.
153 2006-02-01 Paul Brook <paul@codesourcery.com>
155 * function.c (assign_parm_setup_reg): Use function argument promotion
157 * expr.c (expand_expr_real_1): Use function argument promotion rules
160 2006-02-01 Steve Ellcey <sje@cup.hp.com>
162 * gcc.c (process_command): Change j to 'unsigned int'.
164 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
167 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
168 Use the corrected index for the character
169 out of the string constant.
171 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
173 * mode-switching.c (optimize_mode_switching): Fix size
174 allocated for bb_info[n_entities].
176 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
178 * gcc.c (main): Correct type that is allocated for
181 2006-01-31 Jakub Jelinek <jakub@redhat.com>
183 * config/s390/s390.c (init_alignment_context): Set
184 ALIAS_SET_MEMORY_BARRIER on the MEM.
185 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
187 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
190 * loop-unroll.c (unroll_loop_runtime_iterations): Free
192 * tree-ssa-live.c (type_var_init): Allocate bitmap after
195 2006-01-31 Marcin Dalecki <martin@dalecki.de>
197 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
198 * regrename.c: Ditto.
199 * tree-ssa-loop-im.c: Ditto.
200 * tree-dump.c: Ditto.
201 * tree-complex.c: Ditto.
203 * tree-ssa-threadupdate.c: Ditto.
205 * java/class.c: Ditto.
206 * java/jcf-parse.c: Ditto.
207 * java/resource.c: Ditto.
208 * java/except.c: Ditto.
209 * java/jvspec.c: Ditto.
210 * java/jcf-write.c: Ditto.
211 * java/jcf-path.c: Ditto.
212 * java/gjavah.c: Ditto.
213 * java/zextract.c: Ditto.
214 * java/jcf-io.c: Ditto.
216 * java/buffer.c: Ditto.
217 * java/lang.c: Ditto.
218 * java/parse-scan.y: Ditto.
221 * cfgloopmanip.c: Ditto.
222 * postreload-gcse.c: Ditto.
223 * tree-ssa-loop-manip.c: Ditto.
224 * postreload.c: Ditto.
225 * tree-ssa-loop-ch.c: Ditto.
229 * diagnostic.c: Ditto.
231 * genoutput.c: Ditto.
234 * cfgloopanal.c: Ditto.
235 * objc/objc-act.c: Ditto.
237 * genextract.c: Ditto.
238 * genautomata.c: Ditto.
239 * pretty-print.c: Ditto.
241 * cgraphunit.c: Ditto.
244 * haifa-sched.c: Ditto.
245 * dominance.c: Ditto.
247 * tree-ssa-loop-ivopts.c: Ditto.
249 * mode-switching.c: Ditto.
250 * modulo-sched.c: Ditto.
252 * ipa-pure-const.c: Ditto.
254 * fix-header.c: Ditto.
256 * tree-stdarg.c: Ditto.
257 * ipa-utils.c: Ditto.
258 * loop-init.c: Ditto.
259 * ipa-inline.c: Ditto.
262 * alloc-pool.c: Ditto.
263 * dwarf2out.c: Ditto.
265 * genattrtab.c: Ditto.
266 * tree-ssa-loop-ivcanon.c: Ditto.
270 * fortran/gfortranspec.c: Ditto.
272 * local-alloc.c: Ditto.
273 * langhooks.c: Ditto.
275 * tree-vectorizer.c: Ditto.
277 * ipa-type-escape.c: Ditto.
279 * tree-if-conv.c: Ditto.
282 * tree-data-ref.c: Ditto.
283 * loop-unroll.c: Ditto.
284 * treelang/treetree.c: Ditto.
287 * ggc-common.c: Ditto.
291 * tree-cfgcleanup.c: Ditto.
292 * tree-ssa-pre.c: Ditto.
293 * cfgcleanup.c: Ditto.
294 * loop-invariant.c: Ditto.
297 * print-tree.c: Ditto.
300 * sched-deps.c: Ditto.
302 * tree-object-size.c: Ditto.
304 * bb-reorder.c: Ditto.
306 * var-tracking.c: Ditto.
308 * df-problems.c: Ditto.
309 * reg-stack.c: Ditto.
312 * sched-rgn.c: Ditto.
313 * tree-ssa-structalias.c: Ditto.
314 * tree-ssa-reassoc.c: Ditto.
315 * config/darwin-c.c: Ditto.
316 * config/darwin.c: Ditto.
317 * config/arm/arm.c: Ditto.
322 2006-01-31 Nicolas Pitre <nico@cam.org>
324 * arm.md (smaxsi3): Make aware of smax_m1.
327 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
329 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
331 2006-01-31 Richard Guenther <rguenther@suse.de>
333 * doc/invoke.texi (-msselibm): Document.
334 * target.h (expand_library_builtin): New target hook.
335 * builtins.c (expand_builtin): Use expand_library_builtin.
336 (default_expand_library_builtin): New function.
337 * gcc.c (LINK_GCC_MATH_SPEC): Define.
338 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
339 (link_gcc_math_spec): Declare.
340 (static_specs): Add link_gcc_math_spec.
341 * expr.h (default_expand_library_builtin): Declare.
342 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
343 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
344 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
345 * config/i386/i386.opt (msselibm): New target option.
346 * config/i386/i386.c (ix86_builtin_function_variants): New array.
347 (ix86_init_sse_abi_builtins): New function.
348 (ix86_expand_library_builtin): Likewise.
349 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
350 (override_options): Handle error conditions wrt -msselibm.
351 (ix86_builtins): Add function codes for SSE2 ABI builtins.
352 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
353 * doc/extend.texi (__builtin_sse2_*): Document new target specific
356 2006-01-31 Richard Guenther <rguenther@suse.de>
357 Paolo Bonzini <bonzini@gnu.org>
359 * doc/install.texi (--disable-libgcc-math): Document.
361 2006-01-30 Marcin Dalecki <martin@dalecki.de>
363 * expr.h (expand_normal): new inline function.
364 * builtins.c: use it, use EXPAND_NORMAL explicitely.
366 * dwarf2out.c: use it.
371 * config/sparc/sparc.c: use it.
372 * config/i386/i386.c: use it.
373 * config/rs6000/rs6000.c: use it.
374 * config/arm/arm.c: use it.
375 * config/mips/mips.c: use it.
376 * stmt.c: use it, use EXPAND_NORMAL explicitely.
378 2006-01-30 Roger Sayle <roger@eyesopen.com>
380 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
381 argv to the appropriate type.
383 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
385 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
388 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
391 * config/s390/s390.c (struct machine_function): New flag
392 decomposed_literal_pool_addresses_ok_p.
393 (s390_reorg): Set it before final stage of literal pool transforms.
394 (s390_decompose_address): Only accept displacements of the form
395 (minus (label_ref ...) (label_ref ...)) if that flag is set.
397 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
399 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
400 the comparison routine return.
402 2006-01-30 Michael Matz <matz@suse.de>
404 * global.c (find_reg): Only evict for global regs.
405 Take n_refs into account and dump more info.
407 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
410 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
411 (pragma_trap, pragma_nosave_low_regs): Likewise.
412 (current_function_anonymous_args): Likewise.
413 (sh_deferred_function_attributes): New variable.
414 (sh_deferred_function_attributes_tail): Likewise.
415 (print_operand): For '@', look up trap_exit attribute.
416 (calc_live_regs): Look up trapa_handler attribute. For trapa
417 handlers, save/restore fpscr, but don't do any other
418 interrupt-specific saves.
419 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
420 Fix check for partially saved registers to check for SHmedia.
421 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
422 (sh_output_function_epilogue): Don't clear any of the removed
424 (sh_insert_attributes): Don't check pragma_interrupt.
425 Insert deferred attributes. Check that interrupt attribute is
426 present for other attributes that require its presence.
427 (sh_attribute_table): Add new attributes trapa_handler and
429 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
430 Don't check for pragma_interrupt. Don't store argument.
431 * sh.h (pragma_interrupt, sp_switch): Don't declare.
432 (sh_deferred_function_attributes): Declare.
433 (sh_deferred_function_attributes_tail): Likewise.
434 * sh.md (sp_switch_1): Add operand. Change generator caller.
435 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
436 (*return_i): Don't use when trap_exit attribute is in effect.
437 (*return_trapa): New insn pattern.
439 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
440 setting c_target_objs and cxx_target_objs.
441 * t-sh: Add rule for sh-c.o.
443 2006-01-30 Richard Guenther <rguenther@suse.de>
446 * gimplify.c (gimplify_target_expr): Handle easy cases
447 without creating a temporary.
449 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
451 * vec.h (safe_grow): Remove duplicated line.
453 2006-01-29 Diego Novillo <dnovillo@redhat.com>
456 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
457 (expand_omp): ... here.
458 (expand_omp_parallel): Only remove barriers for combined
459 parallel+workshare constructs.
461 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
465 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
466 * tree.c (build_qualified_type): Chain the new type to the original
467 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
468 a POINTER_TYPE or a REFERENCE_TYPE respectively.
469 (build_pointer_type_for_mode): Only return unqualified types.
470 (build_reference_type_for_mode): Likewise.
472 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
474 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
475 * Makefile.in (CXX_COMPAT_WARN): Define.
476 * configure: Regenerate.
478 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
481 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
484 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
486 * toplev.c: Fix thinko.
488 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
489 Marcin Dalecki <martin@dalecki.de>
491 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
492 (push_srcloc): Use XNEW.
493 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
495 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
497 * df-core.c (df_set_blocks): Deleted all variable.
499 2006-01-28 Ian Lance Taylor <ian@airs.com>
501 * cgraphunit.c (cgraph_assemble_pending_functions): Call
502 cgraph_output_pending_asms.
504 2006-01-28 Zack Weinberg <zackw@panix.com>
506 * c.opt: Add -W(no-)overlength-strings.
507 * doc/invoke.texi: Document it.
508 * c-opts.c (c_common_handle_option): -pedantic implies
509 -Woverlength-strings, if not explicitly disabled already.
510 (c_common_post_options): -Woverlength-strings defaults to off, and
511 is always off for C++.
512 * c-common.c (fix_string_type): Issue warning about strings longer
513 than is portable only if warn_overlength_strings. Rearrange code
514 a little for clarity.
515 * configure.in: Check for -Wno-overlength-strings as well before
516 enabling -pedantic in stage 1.
517 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
518 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
520 * genconditions.c (write_header, write_one_condition)
521 (write_conditions, write_writer): Consolidate very long strings
522 that were broken up to fit in C89 portable limit. Don't use
523 printf when fputs will do.
525 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
527 * combine.c (simplify_comparison <AND>): Check
528 TRULY_NOOP_TRUNCATION before start using a subreg.
530 * config/mips/mips.md (*branch_zero<mode>,
531 *branch_zero<mode>_inverted, *branch_equality<mode>,
532 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
533 Remove mode check from comparisons.
535 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
537 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
539 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
541 * expmed.c (const_mult_add_overflow_p): Remove.
542 * expr.h: Remove the prototype for const_mult_add_overflow_p.
544 * recog.c (validate_replace_rtx_subexp): Remove.
545 * recog.h: Remove the prototype for
546 validate_replace_rtx_subexp.
548 * integrate.h: Remove the prototype for
549 copy_decl_for_inlining.
550 * rtl.h: Remove the prototype for mark_constant_function.
551 * tree-vectorizer.h: Remove the prototype for
552 vect_strip_conversion.
554 * modulo-sched.c (create_partial_schedule,
555 free_partial_schedule, reset_partial_schedule): Make them
558 * hooks.c (hook_bool_rtx_int_false): Remove.
559 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
561 2006-01-28 David Edelsohn <edelsohn@gnu.org>
563 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
564 and -mlong-double-128 are incompatible.
565 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
566 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
567 (TARGET_LIBGCC2_CFLAGS): Define.
568 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
569 (TARGET_LIBGCC2_CFLAGS): Same.
570 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
572 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
575 * c-typeck.c (build_binary_op): Perform implicit casts of
576 operands before shortening them.
578 * cfgloopmanip.c (split_loop_bb): Remove.
579 * cfgloop.h: Remove the prototype for split_loop_bb.
581 * cfgloop.c (flow_loop_outside_edge_p): Remove.
582 * cfgloop.h: Remove the prototype for
583 flow_loop_outside_edge_p.
585 * emit-rtl.c (init_virtual_regs): Make it static.
586 * function.h: Remove the prototype for init_virtual_regs.
588 * recog.c (peephole2_optimize): Make it static.
589 * recog.h: Remove the prototype for peephole2_optimize.
591 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
593 * df-scan.c (df_record_entry_block_defs): Check if
594 INCOMING_RETURN_ADDR_RTX is defined.
596 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
597 Kenneth Zadeck <zadeck@naturalbridge.com>
599 PR rtl-optimization/24762
600 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
601 * targhooks.c (hook_void_bitmap): New hook prototype.
602 * targhoohs.h (hook_void_bitmap): Ditto.
603 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
604 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
605 * target.h (live_on_entry): New function pointer.
606 * df-scan.c (df_all_hard_regs): Removed.
607 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
608 (df_scan_free_internal): Added df->entry_block_defs.
609 (df_scan_alloc): Ditto.
610 (df_scan_dump): Ditto.
611 (df_uses_record): Plumbed flag field properly thru calls.
612 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
613 This part fixes PR24762.
614 (df_bb_refs_record): Added code to make the frame and arg
615 pointers live in EH blocks.
616 (df_refs_record): Added call to df_record_entry_block_defs.
617 (df_record_entry_block_defs): New function.
618 * df-core.c: Added comments to describe new artifical defs.
619 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
620 (entry_block_defs): New field in struct df.
621 (df_all_hard_regs): Deleted.
622 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
623 * df-problems.c (df_ru_bb_local_compute_process_def):
624 Added code to handle artifical defs in the entry to a function.
625 (df_ru_bb_local_compute): Ditto.
626 (df_rd_bb_local_compute_process_def): Ditto.
627 (df_rd_bb_local_compute): Ditto.
628 (df_lr_bb_local_compute): Ditto.
629 (df_ur_bb_local_compute): Ditto.
630 (df_urec_bb_local_compute): Ditto.
631 (df_chain_create_bb): Ditto.
632 (df_ur_local_finalize): Removed entry.
633 (df_urec_init): Ditto.
634 (df_urec_local_finalize): Ditto.
635 (df_ri_bb_compute): Added detection of last use of pseudos.
636 * Makefile.in (df-scan.o): Updated dependencies.
637 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
638 * config/mips/mips.c (mips_set_live_on_entry): Added.
639 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
641 * dce.c (marked_insn_p): Added code to handle artifical defs.
643 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
645 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
647 (_mm_cvtsi128_si64): Likewise.
648 (_mm_cvtsd_si64): Likewise.
649 (_mm_cvttsd_si64): Likewise.
650 (_mm_cvtsi64_sd): Likewise.
651 (_mm_cvtsi64_si128): Likewise.
652 * config/i386/mmintrin.h (_m_from_int64): Likewise.
653 (_mm_cvtsi64_m64): Likewise.
654 (_m_to_int64): Likewise.
655 (_mm_cvtm64_si64): Likewise.
656 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
657 (_mm_cvttss_si64): Likewise.
658 (_mm_cvtsi64_ss): Likewise.
659 (_mm_cvtss_f32): Likewise.
661 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
663 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
664 for pragma redefine_extname.
666 2006-01-27 Jakub Jelinek <jakub@redhat.com>
669 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
670 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
671 -mno-minimal-toc to previous content.
672 (bispecs): Remove goal.
673 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
674 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
675 compatibility aliases on powerpc-*-*gnu*.
676 * config/rs6000/libgcc-ppc-glibc.ver: New file.
677 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
678 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
679 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
680 (ldblspecs): New goal.
681 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
682 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
684 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
685 L_sf_to_tf or L_df_to_tf is defined.
687 2006-01-27 David Edelsohn <edelsohn@gnu.org>
688 Alan Modra <amodra@bigpond.net.au>
691 * config/rs6000/linux.h (POWERPC_LINUX): Define.
692 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
693 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
694 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
695 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
696 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
697 (rs6000_override_options): Initialize rs6000_ieeequad.
698 Initialize TFmode format to ibm_extended_format if not
700 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
702 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
703 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
704 (function_arg_advance): IBM long double passed in two FPRs, not
706 (function_arg): IBM long double passed in FPRs.
707 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
708 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
709 Only multireg GPR aligned.
710 (rs6000_init_libfuncs): Enable IBM long double functions if not
712 (rs6000_generate_compare): Use IBM long double compare if not
714 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
715 (TARGET_IEEEQUAD): Define.
716 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
718 * config/rs6000/rs6000.md: Enable TFmode patterns if
720 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
721 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
722 and -mlong-double-128 are incompatible.
723 * doc/invoke.texi (-mabi): Collect options together. Add
724 ibmlongdouble and ieeelongdouble.
726 2006-01-27 Richard Sandiford <richard@codesourcery.com>
728 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
730 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
731 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
732 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
733 * rtl.h (rtunion_def): Remove rt_ptr.
735 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
736 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
737 * config/i386/winnt.c (i386_pe_mark_dllexport)
738 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
740 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
742 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
744 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
748 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
749 pthread_key_delete. From John David Anglin. gthrw-ify
750 pthread_getunique_np only if it it's not a macro. Delete
752 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
753 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
754 __gthread_objc_condition_signal, __gthread_key_delete): Add
755 "__attribute__ ((__unused__))" to unused arguments.
756 (__gthread_recursive_mutex_init_function): Add missing return.
757 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
758 gthr-posix95.h: Use macro-based approach for name redirection
759 on targets missing weakref.
761 2006-01-26 Zack Weinberg <zackw@panix.com>
763 * genconditions.c (write_header): In generated code, #ifdef out
764 all includes and fake declarations, except includes of bconfig.h
765 and system.h, unless GCC_VERSION >= 3001. Do not include
766 gensupport.h in any case.
767 (write_conditions): Generate a definition of struct c_test. Add
768 a comment to the generated #endif.
769 (write_one_condition): Escape backslashes in string too.
770 (write_writer): Generated code must escape backslashes and quote
771 marks (but not newlines) in the strings it writes.
772 * Makefile.in (build/gencondmd.o): Update dependencies.
774 2006-01-26 Steve Ellcey <sje@cup.hp.com>
777 * Makefile.in (insn-automata.o): Add header file dependencies.
778 * genautomata.c: Add includes.
780 2006-01-26 Steve Ellcey <sje@cup.hp.com>
783 * Makefile.in (insn-automata.o): Add -Wno-error flag.
785 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
787 * configure.ac: Expect target tools paths to be passed from the toplevel
788 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
790 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
792 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
795 * c.opt (Wpointer-sign): Init to -1.
796 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
797 OPT_pedantic, to 0 otherwise.
798 * doc/invoke.texi: Update.
800 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
802 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
803 constants provided by 80387 instructions in the destination mode.
805 2006-01-26 Richard Guenther <rguenther@suse.de>
806 Andrew Pinski <pinskia@physics.uc.edu>
809 partial PR tree-opt/17064
810 * tree-ssa-structalias.c (intra_create_variable_infos):
811 Create heap variables for incoming parameters if
812 flag_argument_noalias > 1.
813 (find_what_p_points_to): Look through default defs of
816 2006-01-26 Jeff Law <law@redhat.com>
819 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
820 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
821 within the VR_RANGE, use the VR_RANGE as the result, not the
823 (adjust_range_with_scev): Reject ranges from SCEV which are out
824 of bounds for the type.
826 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
828 * tree-ssa-alias.c (maybe_create_global_var): Change
829 subvar walking to an assertion that we don't have subvar'd variables.
831 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
834 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
835 Use a new variable, inner. PARM_DECLs are always non-weak.
837 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
839 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
842 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
844 * config/mips/mips.md (*clear_upper32): New combiner pattern.
846 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
848 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
849 (smax_insn, smin_insn, smax_0, smin_0): New.
851 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
854 * config/cris/cris.c (cris_order_for_addsi3): New function.
855 * config/cris/cris-protos.h: Prototype it.
856 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
857 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
858 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
859 (split for "op.S1 [rx=rx+i],ry (swapped)")
860 (split for "op(s|u).S1 [rx=rx+i],ry")
861 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
862 Apply cris_order_for_addsi3 when generating addsi3 insns.
864 2006-01-25 Diego Novillo <dnovillo@redhat.com>
866 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
867 (TREE_BLOCK): Add call to EXPR_CHECK.
869 2006-01-25 Diego Novillo <dnovillo@redhat.com>
872 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
873 * tree-pretty-print.c (dump_omp_clause): Extract from ...
874 (dump_omp_clauses): ... here.
875 (dump_generic_node): Handle OMP_CLAUSE.
876 * tree.c (omp_clause_num_ops): New.
877 (omp_clause_code_name): New.
878 (tree_code_size): Handle OMP_CLAUSE.
879 (tree_size): Likewise.
880 (make_node): Document handling of OMP_CLAUSE.
881 (tree_node_structure): Handle OMP_CLAUSE.
882 (omp_clause_check_failed): New.
883 (omp_clause_range_check_failed): New.
884 (omp_clause_operand_check_failed): New.
885 (build_omp_clause): New.
886 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
887 * tree.h (enum omp_clause_code): Declare.
888 (OMP_CLAUSE_SUBCODE_CHECK): Define.
889 (OMP_CLAUSE_RANGE_CHECK): Define.
890 (OMP_CLAUSE_ELT_CHECK): Define.
891 (omp_clause_check_failed): Declare.
892 (omp_clause_operand_check_failed): Declare.
893 (omp_clause_range_check_failed): Declare.
894 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
895 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
896 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
897 (OMP_CLAUSE_LASTPRIVATE): Likewise.
898 (OMP_CLAUSE_IF_EXPR): Likewise.
899 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
900 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
901 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
902 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
903 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
904 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
905 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
906 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
907 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
908 (OMP_CLAUSE_CODE): Define.
909 (OMP_CLAUSE_SET_CODE): Define.
910 (OMP_CLAUSE_CODE): Define.
911 (OMP_CLAUSE_OPERAND): Define.
912 (struct tree_omp_clause): Declare.
913 (union tree_node): Add field 'omp_clause'.
914 * treestruct.def (TS_OMP_CLAUSE): Define.
915 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
916 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
917 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
918 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
919 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
920 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
921 (OMP_CLAUSE): Define.
922 * print-tree.c (print_node): Handle OMP_CLAUSE.
923 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
924 * c-typeck.c: Likewise.
925 * gimplify.c: Likewise.
927 * tree-nested.c: Likewise.
928 * tree-inline.c: Likewise.
929 * c-parser.c: Likewise.
930 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
933 2006-01-25 Roger Sayle <roger@eyesopen.com>
935 PR rtl-optimization/25703
936 * combine.c (try_combine): Handle zero_extract and strict_low_part
937 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
939 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
941 * global.c: Fix comment typos.
943 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
946 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
947 Use output_addr_const instead of assemble_name.
949 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
951 * Makefile.in (sched-vis.o): Update dependencies.
952 * haifa-sched.c (sched_finish): Clear current_sched_info.
953 * cfg.c (dump_bb_info): New, split from dump_flow_info.
954 (dump_flow_info): Call it.
955 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
957 * basic-block.h (dump_bb_info): Declare.
958 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
959 option, and apply options only for dump files whose TDF_RTL,
960 TDF_TREE, or TDF_IPA bits match.
961 * rtl.h: Declare new functions exported from sched-vis.c.
962 * sched-vis.c: Enable also if scheduling is not used.
963 (print_value): Print the mode of registers if not inside scheduling.
964 (print_insn): Make it work outside the scheduler. Beautify the output
966 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
968 2006-01-25 Richard Sandiford <richard@codesourcery.com>
970 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
971 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
972 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
973 depending on the value of CONSTANT_POOL_ADDRESS_P.
974 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
976 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
977 rather than SYMBOL_REF_DECL.
978 (rtx_constant_pool): Remove const_rtx_sym_htab.
979 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
980 (init_varasm_status): Don't initialize const_rtx_sym_htab.
981 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
982 Remove handling of const_rtx_sym_htab.
983 (find_pool_constant): Delete.
984 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
985 rather than find_pool_constant.
986 (get_pool_constant_for_function): Delete.
987 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
989 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
990 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
991 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
992 (SYMBOL_REF_CONSTANT): New macro.
993 (get_pool_constant_for_function): Delete.
994 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
995 rather than SYMBOL_REF_DECL.
996 (i386_pe_mark_dllimport): Likewise.
997 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
998 rather than SYMBOL_REF_DECL.
999 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1000 (machopic_indirect_call_target): Likewise.
1002 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1004 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1006 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1008 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1010 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1012 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1014 2006-01-24 David Daney <ddaney@avtrex.com>
1017 * configure.ac (enable_tls): New enable option.
1018 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1019 * configure: Regenerate.
1020 * doc/install.texi (--enable-tls): Document new option.
1021 (--disable-tls): Ditto.
1023 2006-01-24 Richard Henderson <rth@redehat.com>
1025 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1026 * alias.c (true_dependence): Respect it.
1027 (canon_true_dependence, write_dependence_p): Likewise.
1028 * builtins.c (get_builtin_sync_mem): Set it.
1030 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1032 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1035 2006-01-24 DJ Delorie <dj@redhat.com>
1037 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1038 for storing constants in single-bit bitfields.
1040 2006-01-25 Ben Elliston <bje@au.ibm.com>
1042 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1044 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1047 * tree-ssa-pre.c (phi_translate): Return NULL
1048 for AGGREGATE_TYPE's.
1050 2006-01-24 Zack Weinberg <zackw@panix.com>
1052 * genautomata.c (process_state_for_insn_equiv_partition):
1053 Use xcalloc for insn_arcs_array.
1054 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1055 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1057 2006-01-24 Richard Henderson <rth@redhat.com>
1059 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1062 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1064 PR rtl-optimization/25890
1065 PR rtl-optimization/25905
1066 * combine.c (expand_compound_operation, expand_field_assignment):
1067 Fail if the bitfield's final position is out of bounds.
1069 2006-01-24 Ian Lance Taylor <ian@airs.com>
1072 * cgraphunit.c (cgraph_output_in_order): Don't clear
1073 cgraph_asm_nodes until after asm strings have been output.
1075 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1077 * fix-header.c (read_scan_file): Add new parameter imultilib when
1078 calling register_include_chains.
1080 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1082 * omp-low.c: Update documentation.
1084 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1085 Daniel Berlin <dberlin@dberlin.org>
1089 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1090 return from the function.
1092 2006-01-22 Zack Weinberg <zackw@panix.com>
1094 * rtl.def (match_code): Add second argument.
1095 * genpreds.c (write_extract_subexp): New function.
1096 (write_match_code): Add path argument. Use write_extract_subexp.
1097 (write_predicate_expr): Pass path to write_match_code.
1098 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1099 not perform a mode test.
1100 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1101 a subexpression does not constrain the top-level code set.
1102 * read-rtl.c (read_rtx_variadic): New function.
1103 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1104 * doc/md.texi: Document new notation.
1105 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1106 (cmpsi_operand): ... here, using new notation.
1108 2006-01-22 Zack Weinberg <zackw@panix.com>
1110 * varray.c: Remove GENERATOR_FILE #ifdefs.
1112 2006-01-22 Zack Weinberg <zackw@panix.com>
1114 * genautomata.c (output_reserved_units_table): Emit nothing if
1115 description->query_units_num is zero. Remove extra blank line.
1116 (output_cpu_unit_reservation_p): Short circuit
1117 if description->query_units_num is zero.
1119 2006-01-22 Zack Weinberg <zackw@panix.com>
1121 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1122 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1123 nor any of the random handful of variables that used to be necessary
1124 when this program was linked with rtlanal.o. Prune set of forward
1125 function declarations.
1126 (struct attr_desc): Remove static_p field.
1127 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1128 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1129 (attr_string): Do not read the character one past the length of
1131 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1132 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1133 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1134 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1135 (make_automaton_attrs): New.
1136 (main): Do not call into genautomata. Call local gen_bypass
1137 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1138 Remove special case for insn_alts.
1139 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1140 varray.h (leftover from previous change). Prune set of forward
1141 function declarations. Remove state_alts fields from all
1142 structures. Remove state_alts_table from struct automaton.
1143 Make everything except main static. Do not maintain num_dfa_decls.
1144 Do not maintain state_alts fields of various structures.
1145 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1146 (add_arc): Remove state_alts argument. All callers updated.
1147 (output_reserved_units_table): Emit #ifdef here...
1148 (output_tables): ...not here. Don't generate state_alts tables.
1149 (expand_automata): Don't generate attributes.
1150 (write_automata): Don't generate state_alts functions.
1151 (main): New function.
1152 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1153 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1154 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1155 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1156 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1157 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1158 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1159 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1161 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1162 * genattrtab.h: Delete file.
1163 * Makefile.in (OBJS-common): Add insn-automata.o.
1164 (insn-automata.o): New rule.
1165 (simple_generated_c): Add insn-automata.c.
1166 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1167 (genprogmd): Add automata.
1168 (build/genattrtab): Needs no extra objects nor libraries.
1169 (build/genautomata): Needs build/vec.o and -lm.
1171 2006-01-22 Zack Weinberg <zackw@panix.com>
1173 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1174 (output_dfa_max_issue_rate, locked_states_num): Delete.
1175 (struct automaton): Add locked_states field.
1176 (output_dead_lock_vect): Save number of locked states in
1177 automaton->locked_states. If it is zero, don't print anything.
1178 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1179 (output_internal_dead_lock_func): Only test the dead_lock_vect
1180 for automata that have locked states.
1181 (output_statistics): Always print the number of locked states for
1182 each automaton. Calculate total number of locked states here.
1183 (write_automata): Don't call output_dfa_max_issue_rate.
1184 * genattrtab.c: Define length_unit_log as a const variable.
1185 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1186 max_insn_queue_index const.
1187 * final.c (length_unit_log): Declare const.
1188 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1190 2006-01-22 Zack Weinberg <zackw@panix.com>
1192 * genautomata.c: Include vec.h, not varray.h.
1193 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1194 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1195 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1196 VEC_* macros operating on appropriately typed vectors, or to
1197 malloced arrays when the size is known in advance. Const-ify
1198 many char* variables and function arguments. No functional changes.
1199 * Makefile.in (build/varray.o): Delete rule.
1200 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1201 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1203 2006-01-22 Zack Weinberg <zackw@panix.com>
1205 * gensupport.c: Define get_insn_name and record_insn_name here.
1206 (read_md_rtx): Call record_insn_name as appropriate.
1207 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1208 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1209 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1211 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1212 (BUILD_VARRAY): Delete.
1213 (genprognormal): Rename genprogmd. Fold in all programs from
1214 genprognoprint; also attrtab.
1215 (build/genattrtab): Just mention genautomata.o and varray.o.
1216 Reorganize a bit, add comments to make the categories clearer.
1218 2006-01-22 Zack Weinberg <zackw@panix.com>
1220 * genconditions.c (condition_table, add_condition): Delete.
1221 (write_conditions): Don't emit n_insn_conditions nor
1222 insn_elision_unavailable. Issue the gcc version #ifdef here,
1223 inside the table, with no #else clause ...
1224 (write_header): ...not here.
1225 (write_writer): New function.
1226 (main): Don't initialize condition_table. Use add_c_test.
1228 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1229 files on the command line.
1230 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1231 Return -1 if there is no entry in the table, don't abort.
1232 (add_c_test, traverse_c_tests): New functions.
1233 * gensupport.h (insn_elision_unavailable, insn_conditions)
1234 (n_insn_conditions): Delete declarations.
1235 (add_c_test, traverse_c_tests): Declare.
1236 * read-rtl.c: Include gensupport.h.
1237 (read_conditions): New function.
1238 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1239 (read_rtx_1): If we get EOF when we were looking for an initial
1240 open paren, return 0. Call read_conditions when appropriate.
1241 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1242 dummy-conditions.o. Eliminate references to insn-conditions.o,
1243 or change them to build/gencondmd.o, as appropriate. Remove
1244 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1245 from $(simple_generated_c). For all files remaining in those
1246 two lists, add insn-conditions.md to the generator command line.
1247 Give insn-constants.h/s-constants their own rules. Add rules
1248 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1249 (build/read-rtl.o): Depend on gensupport.h.
1250 (genprognormal): Include preds.
1251 (genprogearly): Rename genprognoprint; only difference is now that
1252 they don't link with $(BUILD_PRINT).
1253 * dummy-conditions.c: Delete.
1255 2006-01-22 Zack Weinberg <zackw@panix.com>
1257 * genextract.c: Don't include insn-config.h. Do include vec.h.
1258 Declare vectors of int, char, and locstr.
1259 (locstr): New typedef.
1260 (struct extraction): Make all array fields into bare pointers.
1261 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1262 (insn_code_number): Delete.
1263 (accum_extract): New struct.
1264 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1265 (gen_insn): Take insn_code_number as an argument. Use an
1266 accum_extract structure instead of loading data directly into
1267 a struct extraction, and having to know how big it might get.
1268 (walk_rtx): Operate entirely on an accum_extract structure.
1269 (print_path): Avoid unnecessary use of printf.
1270 (print_header): New function, split out of main. Distinguish
1271 more carefully between an unrecognizable insn and an insn that
1272 has the code number of a define_expand.
1273 (main): Pass insn_code_number to gen_insn. Call print_header
1274 only after parsing. Avoid unnecessary use of printf.
1275 * Makefile.in (build/vec.o): New rule.
1276 (build/genextract): Depend on build/vec.o.
1277 (build/genextract.o): Don't depend on insn-config.h.
1279 2006-01-22 Zack Weinberg <zackw@panix.com>
1281 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1282 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1283 practical. Eliminate per-generator-program link rules.
1285 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1288 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1289 with a call expr to ...
1290 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1292 2006-01-23 Richard Guenther <rguenther@suse.de>
1294 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1295 before make_edge with conditional EDGE_TRUE_VALUE.
1297 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1298 Jan Hubicka <jh@suse.cz>
1299 Richard Guenther <rguenther@suse.de>
1301 PR rtl-optimization/25654
1302 * cfgexpand.c (aggregate_contains_union_type): New function.
1303 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1304 for structure variables that contain a union type.
1306 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1308 * gengtype.c (new_structure): Return the structure.
1309 (create_option): Add an extra "next" argument.
1310 (create_field): New function.
1311 (adjust_field_rtx_def): Use create_option and create_field.
1312 Remove a now-unnecessary call to find_structure.
1313 (adjust_field_tree_def): Likewise.
1314 (note_yacc_type): Remove an unnecessary call to find_structure.
1315 * gengtype.h (new_structure): Return the structure.
1316 (create_option): Add an extra argument.
1317 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1318 (option): Adjust calls to create_option.
1320 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1322 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1324 2006-01-22 Paul Brook <paul@codesourcery.com>
1325 Peter Barada <peter@the-baradas.com>
1327 * config/m68k/m68k.md: Add Coldfire FPU support.
1328 Define FP mode macro and associated attributes.
1329 Use it for float mode patterns.
1330 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1331 (LIBCALL_VALUE): Use m68k_libcall_value.
1332 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1333 (m68k_function_value): Ditto.
1334 (emit_move_sequence): Ditto.
1335 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1336 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1337 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1338 (MULTILIB_EXCEPTIONS): Ditto.
1339 * config/m68k/m68k.opt: Add mcfv4e.
1340 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1341 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1342 (m68k_output_function_prologue): Save ColdFire FPU registers.
1343 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1344 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1345 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1346 ColdFire FPU registers.
1347 (m68k_libcall_value, m68k_function_value): New functions.
1348 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1349 (LIBCALL_VALUE): Use m68k_libcall_value.
1350 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1351 (MASK_COLDFIRE): Add MASK_CFV4E.
1352 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1353 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1354 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1355 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1356 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1357 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1358 * doc/invoke.tex: Document -mcfv4e on m68k.
1360 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1362 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1365 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1368 * c-opts.c (c_common_handle_option): Don't include
1369 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1370 * doc/invoke.texi (C++ Dialect Options): Document that
1371 -Wnon-virtual-dtor is no longer included in -Wall.
1373 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1375 * gcov.c (print_version), gcov-dump.c (print_version),
1376 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1379 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1381 * df-scan.c (problem_SCAN): Added NULL reset function.
1382 (df_scan_reset_blocks): Added code to call reset block function
1383 (df_bb_refs_delete) Fixed comment.
1384 (df_insn_refs_delete): Made tolerant of deleting non existent info
1385 for dataflow problems that need to be reset.
1386 * df-core.c (df_set_blocks): Ditto.
1387 * df.h (struct df_problem): Added reset_fun.
1388 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1389 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1390 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1391 functions to clear out all references to def-use or use-def chains.
1393 2006-01-21 Ben Elliston <bje@au.ibm.com>
1395 * varasm.c (assemble_real): Initialise data array.
1397 2006-01-20 Paul Brook <paul@codesourcery.com>
1399 Merge from csl-arm-branch.
1400 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1401 * config/arm/arm.md (movdi): Force operands[1] to a register
1402 if we have a non-register source.
1403 (*arm_movdi, *movdf_soft_insn): Require that one of the
1404 operands be a register.
1405 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1406 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1408 2006-01-20 DJ Delorie <dj@redhat.com>
1410 * varasm.c (initialize_constant_valid_p): Allow pointers
1411 initialized from integer constants of lesser precision.
1412 (output_constant): Allow non-int-sized pointer modes to be
1413 initialized from integer constants.
1415 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1418 * cppdefault.h (struct default_include): Add multilib flag.
1419 * cppdefault.c (cpp_include_defaults): Set it.
1420 * c.opt (-imultilib): New option.
1421 * c-opts.c (imultilib): New.
1422 (c_common_handle_option): Handle -imultilib.
1423 (c_common_post_options): Likewise.
1424 * c-incpath.c (add_standard_paths, register_include_chains):
1426 * c-incpath.h (register_include_chains): Add extra parameter.
1427 * gcc.c (do_spec_1): Generate -imultilib option.
1428 (The Specs Language): Update %I description.
1429 (process_command): Update copyright notice.
1430 * doc/cppopts.texi (-imultilib): Document.
1431 * doc/invoke.texi (-imultilib): Include in option summary.
1432 (%I): Update specs documentation.
1434 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1436 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1438 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1440 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1443 2006-01-20 Richard Guenther <rguenther@suse.de>
1444 Steven Bosscher <stevenb.gcc@gmail.com>
1446 PR rtl-optimization/24626
1447 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1448 EDGE_TRUE_VALUE if in RTL mode.
1451 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1452 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1454 2006-01-20 Dirk Mueller <dmueller@suse.com>
1457 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1458 instead of a special NOP marker.
1459 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1460 NOP marker handling.
1461 * c-common.h (empty_body_warning): Add forward declaration.
1462 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1463 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1465 2006-01-20 Paul Brook <paul@codesourcery.com>
1467 * Makefile.in (lang_checks): Keep going if mkdir fails.
1469 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1471 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1472 be able to clean out basic block when not necessary.
1473 (df_scan_free): Fixed to properly delete information if df is
1474 unused before calling df_finish.
1475 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1476 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1478 (df_bb_refs_delete): New function.
1479 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1480 * df-core.c (df_set_blocks): Added code to properly clean out
1481 unused blocks if they are not part of the blocks to consider.
1482 Added additional null check.
1483 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1484 be able to clean out basic block when not necessary
1485 * df.h (df_free_bb_function): Ditto.
1486 (df_bb_refs_delete): New function.
1487 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1488 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1489 basic block parameter to be able to clean out basic block when not
1491 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1492 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1493 Fixed to properly delete information if df is unused before
1496 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1498 PR rtl-optimization/25799
1499 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1500 Corrected confluence operator to remove bits from op2 before oring
1501 with op1 rather than removing bits from op1.
1502 (df_ru_transfer_function): Corrected test on wrong bitmap which
1503 caused infinite loop. Both of these problems were introduced in
1504 the dataflow rewrite.
1506 2006-01-19 DJ Delorie <dj@redhat.com>
1508 * reload1.c (find_reload_regs): Note the details of reload
1509 failures in the dump file.
1510 (spill_failure): Likewise.
1512 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1514 * loop-iv.c: Include df.h and hashtab.h.
1515 (enum iv_grd_result): New enum.
1516 (DF_REF_IV, DF_REF_IV_SET): New macros.
1517 (struct biv_entry): New.
1518 (df, bivs): New global variables.
1519 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1520 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1522 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1523 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1524 analyzed_for_bivness_p, record_biv): New functions.
1525 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1526 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1527 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1529 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1531 (iv_number_of_iterations): Use new interface to iv analysis.
1532 * loop-unroll.c: Do not include varray.h.
1533 (analyze_iv_to_split_insn): Use new interface to iv
1535 * loop-unswitch.c (may_unswitch_on): Ditto.
1536 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1538 (df_bb_modify): Realloc tables to the new index.
1539 (df_find_use): New function.
1540 * df.h (df_find_use): Declare.
1541 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1543 * cfgloop.h (struct rtx_iv): Remove analysed field.
1544 (iv_get_reaching_def): Removed.
1545 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1546 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1547 (loop-iv.o): Add df.h and hashtab.h dependency.
1548 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1550 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1553 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1555 (__floatundisf, __floatundidf): Likewise.
1556 * libgcc2.h (IS_IBM_EXTENDED): Define.
1558 2006-01-19 DJ Delorie <dj@redhat.com>
1560 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1562 2006-01-19 Paul Brook <paul@codesourcery.com>
1564 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1565 as nothrow when unwinding tables are disabled.
1567 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1570 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1571 of bit-field" when in system header.
1573 2006-01-19 DJ Delorie <dj@redhat.com>
1575 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1576 the 16 bit shift limit of the m16c.
1578 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1581 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1582 * config/i386/i386.c (output_set_got): Output the label if we have one
1583 for the TARGET_DEEP_BRANCH_PREDICTION case.
1585 2006-01-19 Jan Hubicka <jh@suse.cz>
1586 H.J. Lu <hongjiu.lu@intel.com>
1587 Evandro Menezes <evandro.menezes@amd.com>
1589 * invoke.texi (generic): Document
1591 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1592 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1593 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1594 (x86_use_incdec, x86_pad_returns): New variables
1595 (TARGET_CPU_DEFAULT_generic): New constant
1596 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1597 (enum processor_type): Add generic32 and generic64.
1598 * i386.md (cpu attribute): Add generic32/generic64
1599 (movhi splitter): Behave sanely when both partial_reg_dependency and
1600 partial_reg_stall are set.
1601 (K8 splitters): Enable for generic as well.
1602 * predicates.md (incdec_operand): Use TARGET_INCDEC
1603 (aligned_operand): Avoid memory mismatch stalls.
1604 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1605 * ppro.md: Enable for generic32
1606 * i386.c (generic64_cost, generic32_cost): New.
1607 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1608 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1609 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1610 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1611 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1612 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1613 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1614 x86_accumulate_outgoing_args, x86_prologue_using_move,
1615 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1616 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1618 (x86_use_incdec, x86_pad_returns): New.
1619 (override_options): Add generic32 and generic64, translate "generic"
1620 to generic32/generic64 and "i686" to "generic32", refuse
1621 "generic32"/"generic64" as arch target.
1622 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1623 (ix86_reorg): Honor PAD_RETURNS.
1625 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1627 * tree-pretty-print.c (dump_generic_node): Handle
1628 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1629 * cgraph.c (cgraph_expand_queue): Rename from
1630 cgraph_analyze_queue. Update all users.
1631 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1632 cgraph_expand_queue.
1633 (cgraph_expand_all_functions): Likewise.
1634 (cgraph_finalize_pending_functions): Remove. Update callers.
1636 * tree.h (OMP_DIRECTIVE_P): Define.
1637 (OMP_PARALLEL_FN): Define.
1638 (OMP_PARALLEL_DATA_ARG): Define.
1639 (OMP_SECTIONS_SECTIONS): Define.
1640 * tree-pass.h (pass_expand_omp): Declare.
1641 * omp-low.c (struct omp_region): Declare.
1642 (struct omp_context): Remove fields 'parallel_type',
1643 'parallel_start_ix' and 'parallel_start_additional_args'.
1645 (struct omp_for_data): Rename from struct expand_omp_for_data.
1646 (omp_regions): New static variable.
1647 (root_omp_region): New static variable.
1648 (find_omp_clause): Make static.
1649 (is_in_combined_parallel_ctx): Remove.
1650 (is_combined_parallel): New.
1651 (extract_omp_for_data): Move earlier in the file.
1652 (workshare_safe_to_combine_p): New.
1653 (get_ws_args_for): New.
1654 (determine_parallel_type): Move earlier in the file.
1655 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1657 (omp_copy_decl): Likewise.
1658 (create_omp_child_function): Likewise.
1659 (lookup_omp_region): New.
1660 (dump_omp_region): New.
1661 (debug_omp_region): New.
1662 (debug_all_omp_regions): New.
1663 (new_omp_region): New.
1664 (scan_omp_parallel): If parallel_nesting_level > 1, the
1665 directive is nested within another parallel directive.
1666 Set OMP_PARALLEL_FN.
1667 (scan_omp_for): Do not try to handle combined parallel+for
1669 Remove FIXME comment.
1670 (scan_omp_nested): Remove.
1671 (scan_omp_1): Do not call scan_omp_nested when
1672 parallel_nesting_level is > 1.
1673 Do not change the DECL_CONTEXT of local variables found.
1674 (lookup_decl_in_outer_ctx): New.
1675 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1676 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1677 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1678 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1679 If CTX is nested, lookup VAR in the outer context when
1680 building copy assignment.
1681 (lower_send_clauses): Rename from expand_send_clauses.
1682 If CTX is nested, lookup VAR in the outer context when
1683 building copy assignments.
1684 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1685 If CTX is nested, lookup VAR in the outer context when
1686 building copy assignments.
1687 (expand_parallel_call): Rename from build_parallel_call.
1688 Handle combined parallel+workshare cases.
1689 Re-implement to emit code into the CFG.
1691 (expand_omp_parallel): Re-implement to emit code into the CFG.
1692 Call move_sese_region_to_fn to outline the sub-graph
1693 containing the parallel region.
1694 (expand_omp_for_1): Remove.
1695 (expand_omp_for_generic): Re-implement to emit code into the
1697 (expand_omp_for_static_nochunk): Likewise.
1698 (expand_omp_for_static_chunk): Likewise.
1699 (expand_omp_for): Likewise.
1700 (expand_omp_sections): Likewise.
1701 (remove_exit_barriers): New.
1702 (expand_omp_synch): New.
1704 (build_omp_regions_1): New.
1705 (build_omp_regions): New.
1706 (execute_expand_omp): New.
1707 (gate_expand_omp): New.
1708 (pass_expand_omp): Define.
1709 (lower_omp_sections): Rename from expand_omp_sections.
1710 Set OMP_SECTIONS_SECTIONS.
1711 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1712 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1713 (lower_omp_single): Rename from expand_omp_simple.
1714 (lower_omp_master): Rename from expand_omp_master.
1715 (lower_omp_ordered): Rename from expand_omp_ordered.
1716 (lower_omp_critical): Rename from expand_omp_critical.
1717 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1718 (lower_omp_for): Re-implement.
1719 (lower_omp_parallel): Re-implement.
1720 (lower_regimplify): Rename from expand_regimplify.
1721 (lower_omp_1): Rename from expand_omp_1.
1722 If there are syntax errors in the program, replace every
1723 OpenMP directive with NOP.
1724 Call lower_omp_* instead of expand_omp_*.
1725 (lower_omp): Rename from expand_omp.
1727 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1728 * tree-gimple.h (enum omp_parallel_type): Remove.
1729 (gimple_boolify): Declare extern.
1730 (find_omp_clause, determine_parallel_type): Remove.
1732 * gimple-low.c (lower_omp_directive): New.
1733 (lower_stmt): Call it.
1734 (record_vars_into): Move from ...
1735 (record_vars): ... here.
1736 Call record_vars_into with current_function_decl.
1738 * gimplify.c (struct gimplify_ctx): Remove fields
1739 combined_pre_p and combined_ctxp. Update users.
1740 (get_formal_tmp_var): Add documentation.
1741 (gimple_boolify): Make extern.
1742 (gimplify_expr_in_ctx): Remove. Update callers.
1743 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1744 will always be a BIND_EXPR.
1745 (gimplify_expr): Handle OMP_RETURN_EXPR.
1746 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1747 (OMP_PARALLEL): Add 3 operands.
1748 (OMP_SECTIONS): Add 1 operand.
1749 (OMP_RETURN_EXPR): Define.
1751 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1752 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1753 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1754 creating a circular free list.
1755 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1757 * tree-flow.h (move_sese_region_to_fn): Declare.
1758 (record_vars_into): Declare.
1759 * tree-cfg.c (make_omp_sections_edges): New.
1760 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1761 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1762 OMP_SECTIONS and OMP_SECTION.
1763 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1764 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1765 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1766 (gather_blocks_in_sese_region): New.
1767 (struct move_stmt_d): Declare.
1769 (move_block_to_fn): New.
1770 (move_sese_region_to_fn): New.
1772 * passes.c (init_optimization_passes): Schedule
1773 pass_expand_omp after pass_init_datastructures.
1775 * tree-ssa-operands.c (get_expr_operands): Handle
1776 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1777 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1779 2006-01-19 Jeff Law <law@redhat.com>
1781 * tree-vrp.c (extract_range_from_assert): Refine the result range
1782 if the variable referenced by the ASSERT_EXPR has a range and
1783 either the tentative result range or the previous range is a
1786 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1788 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1790 2006-01-19 Jan Hubicka <jh@suse.cz>
1792 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1794 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1796 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1797 (expand_compound_operation, expand_field_assignment): Fail if the
1798 bit lengths of an extract operation are out of range.
1799 (make_extraction): Compute wanted_inner_mode based on the position
1800 and length of the extraction. Make it extraction_mode for non-constant
1801 positions, and do not modify offset in that case. When generating a
1802 new MEM, use a mode that can hold the extraction while keeping correct
1803 alignment. Remove code that supported MEMs wrapped by USEs.
1804 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1806 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1808 * config/s390/s390.md ("Y", "y"): New mode attribute.
1809 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1810 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1811 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1812 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1813 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1814 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1815 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1816 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1817 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1818 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1819 "addsi3", "subsi3"): Insn patterns removed.
1820 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1821 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1822 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1823 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1824 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1825 "*sub<mode>3_cconly2"): New insn patterns.
1826 ("addsi3", "subsi3"): New expanders.
1828 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1830 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1831 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1832 existing STMT_VINFO_VECTYPE if available.
1833 (vect_mark_relevant): Add special handling for stmts that are
1834 marked as STMT_VINFO_IN_PATTERN_P.
1835 (vect_analyze_loop): Call vect_pattern_recog.
1836 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1837 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1839 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1840 (vect_recog_func_ptr): New function-pointer type.
1841 * tree-vect-patterns.c: New file.
1842 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1843 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1844 (vect_pattern_recog_1): New functions.
1845 (vect_pattern_recog_funcs): New array of function pointers.
1847 * tree-vectorizer.h (ternary_op): New enum value.
1848 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1849 declaration. Revised documentation. Removed redundant dump prints.
1850 Removed redundant argument. Added support for reduction patterns.
1851 (vectorizable_reduction): Added support for reduction patterns.
1852 (vect_transform_stmt): Added support for patterns.
1854 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1855 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1856 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1857 (expand_widen_pattern_expr): New function.
1858 (init_optabs): Initialize new optabs udot_prod_optab,
1860 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1861 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1862 (expand_widen_pattern_expr): New function declaration.
1863 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1865 * tree-inline.c (estimate_num_insns_1): Added cases for new
1866 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1867 * tree-pretty-print.c (dump_generic_node): Likewise.
1868 (op_prio): Likewise.
1869 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1870 * tree-ssa-operands.c (get_expr_operands): Added case for
1872 * tree-vect-patterns.c (widened_name_p): New function.
1873 (vect_recog_dot_prod_pattern): Added function implementation.
1874 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1875 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1876 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1877 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1879 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1880 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1881 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1882 (init_optabs): Initialize new optabs widen_ssum_optab,
1884 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1885 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1886 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1887 use instead of type of def.
1888 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1889 function implementation.
1890 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1891 widen_ssumv8hi): New.
1893 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1896 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1899 * c-decl.c (add_flexible_array_elts_to_size): New function.
1900 (finish_decl): Use it.
1902 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1904 * diagnostic.h: Include options.h.
1905 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1906 dependancies for diagnostic.h.
1907 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1909 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1911 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1912 (ssa_ro_call_cache_valid): Ditto.
1913 * tree-ssa-alias.c (sort_tags_by_id): New function.
1914 (init_transitive_clobber_worklist): Ditto.
1915 (add_to_worklist): Ditto.
1916 (mark_aliases_call_clobbered): Ditto.
1917 (compute_tag_properties): Ditto.
1918 (set_initial_properties): Ditto.
1919 (compute_call_clobbered): Ditto.
1920 (compute_may_aliases): Call compute_call_clobbered and grouping.
1921 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1922 (compute_flow_insensitive_aliasing): Grouping now happens in our
1924 (setup_pointers_and_addressables): Remove clobbering related code.
1925 (add_may_alias): Ditto.
1926 (replace_may_alias): Ditto.
1927 (get_nmt_for): Ditto.
1928 (create_global_var):
1929 (is_escape_site): Return an escape_type enumeration.
1930 * tree-flow-inline.h (is_call_clobbered): Global var does not
1931 imply call clobbered.
1932 (mark_call_clobbered): Take a reason for marking this. Remove
1933 marking of globalness, and cache invalidation.
1934 (clear_call_clobbered): Remove cache invalidation code.
1935 * tree-dfa.c (dump_variable): If details is on, dump the reason
1937 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1939 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1940 (struct var_ann_d): Ditto.
1941 (enum escape_type): New.
1942 (mark_call_clobbered): Adjust prototype.
1943 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1944 are never call clobbered.
1945 Record reasons for escaping.
1946 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1947 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1948 (ssa_ro_call_cache_valid): Ditto.
1949 (clobbered_v_may_defs): Ditto.
1950 (clobbered_vuses): Ditto.
1951 (ro_call_vuses): Ditto.
1952 (clobber_stats): New.
1953 (init_ssa_operands): Zero out clobber stats.
1954 (fini_ssa_operands): Print out clobber stats.
1955 (get_call_expr_operands): Pass callee fndecl to
1957 (add_call_clobber_ops): Remove use of cache.
1958 Add use of PURE_CONST information.
1959 (add_call_read_ops): Remove use of cache.
1960 Add use of static not_read information.
1962 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1964 Introduce TLS descriptors for i386 and x86_64.
1965 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1966 (TARGET_ANY_GNU_TLS): New macro.
1967 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1968 (struct machine_function): Add tls_descriptor_call_expanded_p.
1969 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1970 (ix86_current_function_calls_tls_descriptor): Likewise.
1971 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1972 (override_options): Introduce gnu2 tls dialect.
1973 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1975 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1977 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1978 (ix86_init_machine_status): Initialize new field.
1979 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1980 (ix86_tls_module_base): New.
1981 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1982 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1983 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1984 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1985 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1986 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1987 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1988 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1989 * config/i386/predicates.md (tls_modbase_operand): New.
1990 (tp_or_register_operand): New.
1992 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1994 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1995 (look_for_address_of): Ditto.
1996 (ipa_init): Walk the function decls.
1997 (static_execute): Don't set readonly on FUNCTION_DECL's.
1999 2006-01-18 Roger Sayle <roger@eyesopen.com>
2001 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2002 for shifts where the source and destination registers are different.
2004 2006-01-18 Paul Brook <paul@codesourcery.com>
2006 Merge from csl-arm-branch.
2007 2005-03-14 Julian Brown <julian@codesourcery.com>
2008 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2009 (aeabi_llsl): Likewise.
2010 (ashrdi3): Likewise.
2011 (aeabi_lasr): Likewise.
2012 (lshrdi3): Likewise.
2013 (aeabi_llsr): Likewise.
2014 2005-03-10 Julian Brown <julian@codesourcery.com>
2015 * config.gcc: Disable shared libgcc for SymbianOS.
2016 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2018 2006-01-18 DJ Delorie <dj@redhat.com>
2020 * c-pragma.c (handle_pragma_diagnostic): New.
2021 (init_pragma): Register it.
2022 * doc/extend.texi: Document it.
2024 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2025 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2026 (diagnostic_context): Add classify_diagnostic[].
2027 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2028 as errors if they're overridden to DK_WARNING.
2029 (diagnostic_initialize): Initialize classify_diagnostic[].
2030 (diagnostic_set_kind_override): New.
2031 (diagnostic_report_diagnostic): Check for kind changes.
2032 * opts.c (common_handle_option): Take lang_mask. Update callers.
2034 * common.opt (Werror=): New.
2035 * doc/invoke.texi: Document -Werror=*
2037 2006-01-18 Jeff Law <law@redhat.com>
2039 * tree-vrp.c (test_for_singularity): Correct test for new
2040 min limit. Use operand_equal_p rather than pointer equality
2041 for testing if new min/max values are equal.
2043 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2044 using range information until after propagation and folding.
2046 2006-01-18 Richard Henderson <rth@redhat.com>
2047 Aldy Hernandez <aldyh@redhat.com>
2048 Jakub Jelinek <jakub@redhat.com>
2049 Diego Novillo <dnovillo@redhat.com>
2051 * omp-low.c: New file.
2052 * c-omp.c: New file.
2054 2006-01-18 Richard Henderson <rth@redhat.com>
2055 Jakub Jelinek <jakub@redhat.com>
2056 Diego Novillo <dnovillo@redhat.com>
2058 * doc/invoke.texi: Document -fopenmp.
2059 * tree-dump.h (debug_function): Declare.
2060 * hooks.c (hook_bool_tree_bool_false): New function.
2061 (hook_tree_tree_null): Remove.
2062 (hook_tree_tree_tree_null): New.
2063 * hooks.h: Update to match.
2064 * tree-pretty-print.c (debug_tree_chain): New.
2065 (print_generic_expr): Handle TDF_CHAIN.
2066 (dump_generic_node): Handle BLOCK.
2067 Do not abort with incomplete SWITCH_EXPRs.
2068 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2069 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2070 print space after directive name.
2071 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2072 Handle OMP_MASTER and OMP_ORDERED.
2073 Handle printing of OMP_BODY just in one place, goto
2074 dump_omp_body in the rest of OMP_* nodes that have
2076 Don't handle clause nodes here. Update omp statements to
2077 use dump_omp_clauses.
2078 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2079 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2080 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2081 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2082 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2083 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2084 Adjust output for GOMP_PARALLEL.
2085 (dump_omp_clauses): New.
2086 (print_declaration): Dump DECL_VALUE_EXPR.
2087 (op_symbol_1): Split out of op_symbol.
2088 (dumping_stmts): Remove. Update all users.
2089 * cgraph.c (cgraph_analyze_queue): New.
2090 (cgraph_add_new_function): New.
2091 * cgraph.h (cgraph_analyze_queue): Declare.
2092 (cgraph_add_new_function): Declare.
2093 (cgraph_lower_function): Remove.
2094 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2095 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2096 and TYPE_P nodes in its default clause.
2097 (empty_body_p): New.
2098 (tree_range_check_failed): New.
2100 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2101 OMP_CLAUSE_REDUCTION_MERGE,
2102 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2103 OMP_CLAUSE_PRIVATE_DEBUG,
2104 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2105 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2106 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2107 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2108 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2109 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2110 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2111 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2112 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2113 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2114 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2115 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2116 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2117 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2118 (TREE_RANGE_CHECK): New.
2119 (empty_body_p): Declare.
2120 (enum omp_clause_default_kind): New.
2121 (build_string_literal): Declare.
2122 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2123 (build5_stat, build5): Declare.
2124 * tree-pass.h (TDF_CHAIN): Define.
2125 * tree-pass.h (PROP_gimple_lomp): Define.
2126 (pass_lower_omp): Declare.
2127 * diagnostic.h (debug_tree_chain): Declare.
2128 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2130 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2131 * builtins.c (build_string_literal): Make extern.
2132 * gcc.c (include_spec_function): New.
2133 (static_spec_functions): Add it.
2134 (main): Move load of libgomp.spec ...
2135 (LINK_COMMAND_SPEC): ... here.
2136 (link_gomp_spec): New.
2137 (static_specs): Include it.
2138 (LINK_COMMAND_SPEC): Add link_gomp.
2139 (GOMP_SELF_SPECS): New.
2140 (driver_self_specs): Include it.
2141 (switch_matches): Don't mark inline.
2142 (main): Load libgomp.spec.
2143 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2144 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2145 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2146 * tree-gimple.h (enum omp_parallel): Declare.
2147 (determine_parallel_type): Declare.
2148 (omp_firstprivatize_variable): Declare.
2149 (omp_reduction_init): Declare.
2150 (diagnose_omp_structured_block_errors): Declare.
2151 (struct walk_stmt_info): Add want_return_expr.
2152 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2153 (find_omp_clause): Declare.
2154 (insert_field_into_struct): Declare.
2155 (struct walk_stmt_info): Move from tree-nested.c
2156 (walk_stmts): Declare.
2157 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2159 * cgraphunit.c (cgraph_lower_function): Make static.
2160 (cgraph_finalize_pending_functions): New.
2161 (cgraph_finalize_function): Call it.
2162 (cgraph_finalize_compilation_unit): Likewise.
2163 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2164 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2165 (BT_FN_UINT_UINT): New.
2166 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2167 DEF_FUNCTION_TYPE_VAR_4): Document.
2168 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2169 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2170 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2171 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2172 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2173 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2174 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2175 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2176 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2177 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2178 into separate files.
2179 (DEF_GOMP_BUILTIN): New.
2180 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2181 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2182 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2183 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2184 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2185 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2186 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2187 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2188 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2189 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2190 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2191 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2192 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2193 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2194 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2195 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2196 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2197 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2198 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2199 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2200 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2201 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2202 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2203 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2204 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2205 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2206 * sync-builtins.def: New file, moved from builtins.def.
2207 * omp-builtins.def: New file, moved from builtins.def.
2208 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2209 * gimple-low.c (lower_function_body): Clear data.
2210 (lower_stmt): Do not handle COMPOUND_EXPR.
2211 Remove call to print_node_brief.
2212 * c-tree.h (c_finish_omp_clauses): New prototype.
2213 (C_DECL_THREADPRIVATE_P): Define.
2214 (lookup_name_no_remap, c_omp_remap_private): Remove
2215 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2216 (check_for_loop_decls): Update decl.
2217 (lookup_name_no_remap, c_omp_remap_private): Declare.
2218 (build_indirect_ref, build_modify_expr, pushdecl,
2219 pushdecl_top_level): Move to c-common.h.
2220 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2221 before the switch, but just in the 2 places that need it.
2222 * c-decl.c (diagnose_mismatched_decls): Do not check for
2223 mismatched thread-local attributes when OLDDECL is marked
2224 threadprivate and NEWDECL has no thread-local attributes.
2225 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2226 (c_gimple_diagnostics_recursively): Rename from
2227 c_warn_unused_result_recursively. Invoke
2228 diagnose_omp_structured_block_errors.
2229 (check_for_loop_decls): Return a singular decl found.
2230 * langhooks.c (lhd_omp_predetermined_sharing): Return
2231 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2232 (lhd_omp_firstprivatize_type_sizes): New.
2233 (lhd_omp_assignment): New.
2234 (lhd_omp_predetermined_sharing): New.
2235 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2236 (struct lang_hooks_for_types): Add
2237 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2238 omp_predetermined_sharing, omp_disregard_value_expr,
2239 omp_private_debug_clause, omp_clause_default_ctor,
2240 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2241 (c_finish_omp_clauses): New.
2242 (c_finish_bc_stmt): Diagnose break within omp for.
2243 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2244 (build_unary_op): Return error_mark after reporting
2246 (build_modify_expr): Likewise.
2247 * gimplify.c: Include optabs.h and pointer-set.h.
2248 (enum gimplify_omp_var_data): Declare.
2249 (struct gimplify_omp_ctx): Declare.
2250 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2252 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2253 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2254 (splay_tree_compare_decl_uid): New.
2255 (new_omp_context): New.
2256 (delete_omp_context): New.
2257 (gimple_add_tmp_var): Call omp_add_variable.
2258 (gimplify_bind_expr): Likewise.
2259 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2260 true, disregard DECL_VALUE_EXPR on the decl if any.
2261 (gimplify_expr_in_ctx): New.
2262 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2263 omp_add_variable, omp_notice_variable, omp_is_private
2264 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2265 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2266 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2267 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2268 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2269 gimplify_omp_atomic): New.
2270 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2271 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2272 OMP_CRITICAL and OMP_ATOMIC.
2273 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2274 * c-pragma.h (enum pragma_kind): Add
2275 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2276 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2277 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2278 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2279 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2280 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2281 PRAGMA_OMP_THREADPRIVATE.
2282 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2283 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2284 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2285 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2286 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2287 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2288 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2289 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2290 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2291 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2292 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2293 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2294 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2296 (struct nesting_info): Add field_map,
2297 suppress_expansion, debug_var_chain.
2298 (create_nesting_tree): Initialize them.
2299 (lookup_field_for_decl): Use field_map.
2300 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2301 (convert_local_omp_clauses): New.
2302 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2303 (walk_body): Split out of walk_function.
2304 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2305 (convert_nonlocal_reference): Handle omp statements.
2306 (convert_local_reference): Likewise.
2307 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2308 (unnest_nesting_tree): New.
2309 (lower_nested_functions): Call it.
2310 (insert_field_into_struct): Make extern.
2311 (struct walk_stmt_info): Move to tree-gimple.h.
2312 (walk_stmts): Make extern.
2313 * omp-builtins.def: New file.
2314 * tree-iterator.c (expr_only): Clarify comment.
2315 * c-common.h (pushdecl_top_level, pushdecl,
2316 build_modify_expr, build_indirect_ref,
2317 c_finish_omp_master, c_finish_omp_critical,
2318 c_finish_omp_ordered, c_finish_omp_barrier,
2319 c_finish_omp_atomic, c_finish_omp_flush,
2320 c_finish_omp_for, c_split_parallel_clauses,
2321 omp_clause_default_kind, c_omp_sharing_predetermined,
2322 c_omp_remap_decl): Declare.
2323 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2324 (OBJS-common): Add omp-low.o.
2325 (c-omp.o, omp-low.o): Add.
2326 (gimplify.o): Add dependency on $(OPTABS_H).
2327 (GTFILES): Add omp-low.c.
2328 (gt-stringpool.h): Add.
2329 * tree-cfg.c (set_bb_for_stmt): Do not update the
2330 block-to-labels map if we are currently expanding to RTL.
2331 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2333 Handle IDENTIFIER_NODE.
2334 (tree_verify_flow_info): Do not ICE when emitting error
2335 messages about invalid labels.
2336 (dump_function_to_file): Reset CFUN before emitting the body
2338 (debug_function): New.
2339 * passes.c (init_optimization_passes): Schedule
2341 * langhooks-def.h (lhd_omp_predetermined_sharing,
2342 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2344 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2345 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2346 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2347 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2348 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2349 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2350 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2351 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2352 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2353 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2354 (LANG_HOOK_DECLS): Use them.
2356 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2357 Richard Henderson <rth@redhat.com>
2358 Jakub Jelinek <jakub@redhat.com>
2359 Diego Novillo <dnovillo@redhat.com>
2361 * c-parser.c (pragma_omp_clause): Define.
2362 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2363 (c_parser_compound_statement): Likewise.
2364 (c_parser_statement): Likewise.
2365 (c_parser_pragma): Handle omp pragmas.
2366 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2367 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2368 (c_parser_omp_clause_name, check_no_duplicate_clause,
2369 c_parser_omp_variable_list,
2370 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2371 c_parser_omp_clause_copyprivate,
2372 c_parser_omp_clause_default,
2373 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2374 c_parser_omp_clause_lastprivate,
2375 c_parser_omp_clause_nowait,
2376 c_parser_omp_clause_num_threads,
2377 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2378 c_parser_omp_clause_reduction,
2379 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2380 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2381 c_parser_omp_atomic, c_parser_omp_barrier,
2382 c_parser_omp_critical, c_parser_omp_flush,
2383 c_parser_omp_for_loop, c_parser_omp_for,
2384 c_parser_omp_master, c_parser_omp_ordered,
2385 c_parser_omp_sections_scope, c_parser_omp_sections,
2386 c_parser_omp_parallel, c_parser_omp_single,
2387 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2388 * c-pragma.c (init_pragma): Do omp pragma registration here.
2389 * c.opt (fopenmp): New flag.
2391 2006-01-18 Eric Christopher <echristo@apple.com>
2393 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2394 * config/darwin.h (GOMP_SELF_SPECS): Define.
2396 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2398 * rtl.h: Remove the prototype for reg_alloc.
2400 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2403 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2404 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2405 sjlj and dwarf2 exception handling.
2406 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2407 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2408 * pa/pa.c (function_value): Treat complex and vector types as
2410 (function_arg): Likewise. Only pass scalar floats in the floating
2411 point argument registers.
2412 * pa/t-slibgcc-dwarf-ver: New file.
2413 * pa/t-slibgcc-sjlj-ver: New file.
2414 * pa/t-slibgcc-elf-ver: Delete file.
2416 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2418 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2419 unlikely_test_section_p test.
2421 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2423 * mode-switching.c (optimize_mode_switching): Make it static.
2424 * basic-block.h: Remove the prototype for
2425 optimize_mode_switching.
2427 * modulo-sched.c (sms_schedule): Make it static.
2428 * rtl.h: Remove the prototype for sms_schedule.
2430 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2431 * rtl.h: Remove the prototype for gcse_after_reload_main.
2433 * reg-stack.c (reg_to_stack): Make it static.
2434 * rtl.h: Remove the prototype for reg_to_stack.
2436 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2438 * rtl.h: Remove the prototypes for regrename_optimize and
2439 copyprop_hardreg_forward.
2441 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2443 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2444 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2445 Test against the appropriate null constant for the mode.
2446 If 'fixup_overlap' is true, swap the operands if they overlap.
2447 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2448 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2449 alpha_split_tmode_pair and adjust for above change.
2450 * config/alpha/alpha.md (movtf_internal): Adjust call to
2451 alpha_split_tfmode_pair and rely on it to swap the operands.
2452 (movti_internal): New insn and post-reload splitter.
2453 (movti): New expander.
2455 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2457 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2460 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2462 * rtlanal.c (global_reg_mentioned_p_1,
2463 global_reg_mentioned_p): Remove.
2464 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2466 * flow.c (initialize_uninitialized_subregs): Make it static.
2467 * rtl.h: Remove the prototype for
2468 initialize_uninitialized_subregs.
2470 * function.c (instantiate_virtual_regs): Make it static.
2471 * function.h: Remove the prototype for
2472 instantiate_virtual_regs.
2474 * regmove.c (regmove_optimize, combine_stack_adjustments):
2476 * rtl.h: Remove the prototypes for regmove_optimize and
2477 combine_stack_adjustments.
2479 2006-01-17 Roger Sayle <roger@eyesopen.com>
2481 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2482 (size_cost): Encode costs in bytes so that a reg-reg addition is
2483 equivalent to COSTS_N_INSNS(1).
2484 (override_options): Use the size_cost.branch_cost as the default
2485 ix86_branch_cost when optimizing for size.
2487 2006-01-18 Ben Elliston <bje@au.ibm.com>
2489 * Makefile.in (D32PBIT_FUNCS): New.
2490 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2491 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2492 D64PBIT_FUNCS and D128PBIT_FUNCS.
2493 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2494 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2496 (decnumber_dep): Define.
2497 * doc/libgcc.texi (Decimal float library routines): New node.
2498 * config/dfp-bit.h, config/dfp-bit.c: New files.
2500 2006-01-18 Ben Elliston <bje@au.ibm.com>
2502 * expr.c (emit_move_change_mode): Always adjust addresses, not
2503 just during reload. Copy replacements only during reload.
2504 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2505 emit_move_via_integer.
2507 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2509 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2510 instead of $(srcdir) and ${srcdir}.
2512 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2516 * arm.h (struct machine_function): Add pic_reg.
2517 * arm.c (arm_pic_register): Make unsigned.
2518 (arm_override_options): Only set arm_pic_register if
2519 TARGET_SINGLE_PIC_BASE.
2520 (use_return_insn): Only test for a pic register if it is fixed.
2521 (arm_compute_save_reg0_reg12_mask): Likewise.
2522 (thumb_compute_save_reg_mask): Likewise.
2523 (legitimate_pic_operand): Factor out some known invariants.
2524 (legitimize_pic_address): If we don't have a fixed pic register,
2525 then set up a pseudo in the function entry sequence. Handle the
2526 pic base being in a pseudo.
2527 (arm_load_pic_register): Handle the pic register being in a pseudo.
2528 (arm_expand_prologue): Only set up the pic register if it is fixed.
2529 (thumb_expand_prologue): Likewise.
2530 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2531 (pic_load_addr_based_insn): Likewise.
2532 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2535 2006-01-18 Ben Elliston <bje@au.ibm.com>
2537 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2538 decimal float modes for all floating point registers.
2540 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2541 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2543 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2546 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2547 even when the pointer is not NULL.
2549 2006-01-16 Ian Lance Taylor <ian@airs.com>
2551 * common.opt (ftoplevel-reorder): New option.
2552 * cgraph.c (cgraph_asm_nodes): New global variable.
2553 (cgraph_asm_last_node): New static variable.
2554 (cgraph_order): New global variable.
2555 (cgraph_create_node): Set new order field.
2556 (cgraph_varpool_node): Likewise.
2557 (decide_is_variable_needed): Return true if not
2558 flag_toplevel_reorder.
2559 (cgraph_add_asm_node): New function.
2560 * cgraph.h (struct cgraph_node): Add order field.
2561 (struct cgraph_varpool_node): Add order field.
2562 (struct cgraph_asm_node): Define.
2563 (cgraph_asm_nodes, cgraph_order): Declare.
2564 (cgraph_add_asm_node): Declare.
2565 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2567 (cgraph_varpool_assemble_pending_decls): Call it.
2568 (cgraph_output_pending_asms): New static function.
2569 (cgraph_finalize_compilation_unit): Call it.
2570 (struct cgraph_order_sort): Define.
2571 (cgraph_output_in_order): New static function.
2572 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2573 !flag_toplevel_reorder case.
2574 * c-parser.c: Include "cgraph.h".
2575 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2577 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2578 than -fno-unit-at-a-time.
2579 * doc/invoke.texi (Option Summary): Mention
2580 -fno-toplevel-reorder.
2581 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2582 -funit-at-a-time documentation.
2584 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2585 Kazu Hirata <kazu@codesourcery.com>
2587 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2589 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2591 * Makefile.in (FUNCTION_H): New. Use it instead of
2592 function.h throughout the file.
2593 * function.h: Include tree.h.
2595 2006-01-17 Ben Elliston <bje@au.ibm.com>
2597 * recog.c: Separate some functions with whitespace.
2599 2006-01-16 Richard Henderson <rth@redhat.com>
2601 Merge from gomp branch:
2602 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2603 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2604 and rename from struct inline_data. Rename callee* to dst*;
2605 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2606 transform_new_cfg, transform_return_to_modify, and
2607 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2609 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2610 (copy_decl_for_dup): Remove.
2611 * tree-inline.c (struct inline_data): Move to header.
2612 (insert_decl_map): Export.
2613 (remap_decl): Update for member name changes. Use copy_decl hook.
2614 Allow for replacement to be a non-decl. Remove dead code.
2615 (remap_type_1): Check for existing mapping.
2616 (remap_type): Export.
2617 (remap_decls): Update for member name changes.
2618 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2619 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2620 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2621 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2622 (tree_function_versioning, build_duplicate_type): Likewise.
2623 (copy_body_r): Likewise. Export.
2624 (copy_decl_for_dup): Split into ...
2625 (copy_decl_for_dup_finish, copy_decl_to_var,
2626 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2627 (replace_ref_tree, inlining_p): Remove.
2629 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2631 * ifcvt.c (if_convert): Make it static.
2632 * rtl.h: Remove the prototype for if_convert.
2634 * local-alloc.c (local_alloc): Make it static.
2635 * rtl.h: Remove the prototype for local_alloc.
2637 * loop.c (loop_optimize): Make it static.
2638 * cfgloop.h: Remove the prototype for loop_optimize.
2641 2006-01-16 DJ Delorie <dj@redhat.com>
2643 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2646 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2648 * pa.md: Disparage copies between general and floating-point registers
2649 in 32-bit move patterns.
2651 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2654 * Makefile.in (check-%): Depend on site.exp instead of
2655 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2658 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2660 * global.c (global_alloc): Make it static.
2661 * rtl.h: Remove the prototype for global_alloc.
2663 2006-01-16 Richard Guenther <rguenther@suse.de>
2665 * tree-ssa-alias.c (struct used_part): Add write_only field.
2666 (get_or_create_used_part_for): Initialize it to true.
2667 (create_overlap_variables_for): Don't create structure variables
2668 for structures that only are written to.
2669 (find_used_portions): Handle MODIFY_EXPR to track whether a
2670 structure is only written to.
2672 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2674 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2676 * basic-block.h: Remove the prototype for
2677 partition_hot_cold_basic_blocks.
2679 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2681 * cppspec.c (lang_specific_spec_functions): Remove.
2682 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2683 * gcc.h (lang_specific_spec_functions): Remove.
2684 * gccspec.c (lang_specific_spec_functions): Remove.
2686 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2688 * combine.c (record_value_for_reg): Invalidate registers
2690 (record_dead_and_set_regs_1): Likewise, by passing them to
2691 record_value_for_reg.
2692 (record_dead_and_set_regs): Invalidate stores made by a
2693 call. We do not combine across a call, but we still
2694 relied on equivalences.
2696 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2698 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2699 vrp_int_const_binop returning non-constant nodes.
2701 2006-01-16 Paul Brook <paul@codesourcery.com>
2703 * config/m68k/m68k.c (output_move_const_into_data_reg):
2704 Output correct mnemonic for mvz and mvs.
2706 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2708 * rtl-factoring.c: Add sequence abstraction algorithm.
2709 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2710 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2712 (block_has_preserve_label): New function.
2713 * common.opt: Register new pass.
2714 * Makefile.in: Ditto.
2716 * timevar.def: Ditto.
2717 * tree-pass.h: Ditto.
2718 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2719 * rtl.h (make_jump_insn_raw): Add forward decl.
2720 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2722 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2723 Roger Sayle <roger@eyesopen.com>
2725 * fold-const.c (fold_minmax): New static function.
2726 (fold_binary) <MIN_EXPR>: Call it.
2727 <MAX_EXPR>: Likewise.
2728 * stor-layout.c (place_field): Use DECL_SIZE consistently
2729 in the computation of the new record size.
2731 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2733 * cse.c (cse_condition_code_reg): Make it static.
2734 * rtl.h: Remove the prototype for cse_condition_code_reg.
2736 * combine.c (combine_instructions): Make it static.
2737 * rtl.h: Remove the prototype for combine_instructions.
2739 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2742 * tree.c (get_file_function_name_long): Concatenate the first global
2743 object name with a string derived from the input filename of the object
2746 2006-01-16 Ben Elliston <bje@au.ibm.com>
2748 * config/i386/winnt-stubs.c: Update FSF address.
2749 * config/xtensa/ieee754-df.S: Ditto.
2750 * config/xtensa/ieee754-sf.S: Ditto.
2752 2006-01-14 Ian Lance Taylor <ian@airs.com>
2754 * ifcvt.c (noce_init_if_info): New static function, broken out of
2755 noce_process_if_block.
2756 (noce_process_if_block): Call noce_init_if_info.
2757 (check_cond_move_block): New static function.
2758 (cond_move_process_if_block): New static function.
2759 (process_if_block): Call cond_move_process_if_block.
2761 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2763 * cselib.c (hash_table): Rename to cselib_hash_table.
2764 (cselib_clear_table, discard_useless_values,
2765 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2766 cselib_init, cselib_finish): Adjust uses of hash_table.
2768 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2770 PR tree-optimization/25485
2771 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2772 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2773 is known to be false and true, respectively.
2775 2006-01-14 Richard Guenther <rguenther@suse.de>
2777 PR tree-optimization/22548
2778 PR tree-optimization/22555
2779 PR tree-optimization/22501
2780 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2781 * params.def (salias-max-array-elements): New parameter.
2782 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2783 * doc/invoke.texi (salias-max-array-elements): Document.
2784 * tree-flow-inline.h (var_can_have_subvars): We also handle
2786 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2788 * tree-ssa-structalias.c (params.h): Include.
2789 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2790 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2791 (get_constraint_for): For ADDR_EXPR operating on something
2792 containing an ARRAY_REF, add all subvars to the solution.
2793 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2794 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2795 for creating MUST_DEFs.
2796 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2798 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2800 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2802 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2803 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2804 number_of_iterations_le): New functions.
2805 (number_of_iterations_special): Removed.
2806 (number_of_iterations_exit): Do not use number_of_iterations_special.
2807 * tree.c (unsigned_type_for): Always return integer type.
2809 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2810 Richard Guenther <rguenther@suse.de>
2812 PR rtl-optimization/24257
2813 * gcse.c (find_moveable_store): Only consider a store movable
2814 when the SET_SRC of the insn can be assigned to a register.
2816 2006-01-14 Ian Lance Taylor <ian@airs.com>
2818 * tree.c (tree_not_class_check_failed): New function.
2819 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2820 (tree_not_class_check_failed): Declare.
2822 2006-01-13 Ian Lance Taylor <ian@airs.com>
2824 * reload1.c (do_output_reload): Add assertion rejecting a
2827 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2829 * combine.c (struct reg_stat): Add new fields truncation_label and
2831 (record_value_for_reg): Reset truncated_to_mode.
2832 (record_truncated_value): New function.
2833 (check_promoted_subreg): Call it. Rename to check_conversions.
2834 (combine_instructions): Rename check_promoted_subreg to
2836 (reg_truncated_to_mode): New function.
2837 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2838 (gen_lowpart_or_truncate): New function.
2839 (force_to_mode): Use it instead of gen_lowpart.
2841 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2843 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2844 VAR is a tag, not its type tag.
2846 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2848 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2849 alternatives to match style of other entries.
2850 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2852 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2854 PR tree-optimization/25771
2855 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2858 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2861 * tree-inline.c (declare_return_variable): If the return variable
2862 was marked as a non gimple complex, set the return slot variable
2863 to be a non gimple comple variable.
2865 2006-01-13 Richard Guenther <rguenther@suse.de>
2867 * builtins.c (expand_builtin_sincos): New function.
2868 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2870 (expand_builtin): Expand sincos using expand_builtin_sincos.
2872 2006-01-12 DJ Delorie <dj@redhat.com>
2874 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2875 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2876 so that constant shifts can be split.
2877 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2878 (m32c_valid_pointer_mode): Make static.
2879 (shift_gen_func_for): New.
2880 (m32c_prepare_shift): Use it. Split large const shifts into
2882 * config/m32c/predicates.md (shiftcount_operand): Allow more
2884 (longshiftcount_operand): New.
2885 * doc/md.texi (Machine Constraints): Document In6.
2887 2006-01-13 Ben Elliston <bje@au.ibm.com>
2889 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2890 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2893 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2895 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2896 to try to avoid clobbering pieces of structures when we know
2897 something about the whole structure.
2898 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2900 2006-01-13 Ben Elliston <bje@au.ibm.com>
2902 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2903 return in memory, as this is no limitation is no longer present.
2905 2006-01-12 DJ Delorie <dj@redhat.com>
2907 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2908 mova with fb, and for fb+0 -> An.
2910 * config/m32c/mov.md (peephole2): Fix enabling logic.
2912 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2913 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2914 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2915 FINI_ARRAY_SECTION_ASM_OP): Define.
2917 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2919 (m32c_legitimize_reload_address): New logic to reload FB to An.
2920 (m32c_output_reg_push): Add newline.
2921 (m32c_output_reg_pop): Likewise.
2923 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2925 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2927 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2929 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2931 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2933 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2936 2006-01-11 Ben Elliston <bje@au.ibm.com>
2938 * rtlanal.c (find_reg_note): Assert insn is not null.
2940 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2942 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2945 2006-01-11 Jeff Law <law@redhat.com>
2947 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2949 (mark_threaded_blocks, register_jump_thread): New functions.
2950 (thread_through_all_blocks): Remove unwanted argument. No
2951 longer rely on e->aux to communicate thread target info.
2952 Call mark_threaded_blocks. Release the threaded_blocks
2953 bitmap and threaded_edges vector when complete.
2954 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2955 (threaded_blocks): Remove.
2956 (tree_ssa_dominator_optimize): Remove initialization and
2957 finalization of threaded_blocks. Simplify call to
2958 thread_through_all_blocks.
2959 (thread_across_edge): Call register_jump_thread rather than
2960 storing thread information into e->aux.
2961 (free_all_edge_infos): Simplify now that e->aux is no longer
2962 used to communicate with thread_through_all_blocks.
2963 * tree-flow.h (thread_through_all_blocks): Update prototype.
2964 (register_jump_thread): Prototype.
2966 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2968 * df-core.c (df_compact_blocks, df_bb_replace): Use
2969 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2971 2006-01-11 Richard Guenther <rguenther@suse.de>
2973 PR tree-optimization/25734
2974 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2975 stop propagation after successful propagation to the LHS.
2977 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2979 * basic-block.h (control_flow_graph): Change the type of
2980 x_basic_block_info to VEC(basic_block,gc) *.
2981 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2983 (SET_BASIC_BLOCK): New.
2984 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2985 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2986 * cfgbuild.c (find_basic_blocks): Likewise.
2987 * cfglayout.c (fixup_reorder_chain): Likewise.
2988 * cfgrtl.c (create_basic_block_structure,
2989 rtl_create_basic_block): Likewise.
2990 * ifcvt.c (find_if_case_1): Likewise.
2991 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2994 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2996 * Makefile.in: Removed rotted odf.c entry.
2998 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3001 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3002 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3003 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3004 output pattern modifier, not %e.
3005 * config/cris/cris.c (cris_op_str): Update comment about pattern
3007 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3008 before falling through into...
3009 <case 'E'>: Redefined from old 'e' case.
3011 2006-01-11 Jan Hubicka <jh@suse.cz>
3014 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3016 2006-01-11 Jan Hubicka <jh@suse.cz>
3018 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3019 * i386.c (x86_decompose_lea): Kill.
3020 (ix86_rtx_costs): Kill.
3022 2006-01-11 Jan Hubicka <jh@suse.cz>
3024 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3025 * cgraph.h (cgraph_node): Add inline_decl.
3026 (cgraph_insert_node_to_hashtable): Declare.
3027 (save_inline_function_body): Declare.
3028 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3030 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3031 (cgraph_function_versioning): Update call of tree_function_versioning.
3032 (save_inline_function_body): New function.
3033 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3034 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3035 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3036 (cgraph_default_inline_p): Likewise.
3037 (cgraph_decide_inlining_incrementally): Likewise.
3038 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3039 (copy_bb): Kill saving; do updating of clones.
3040 (copy_cfg_body): Kill saving.
3041 (initialize_inlined-parameters): Likewise.
3042 (expand_call_inline): Likewise.
3044 (tree_function_versioning): New parameter "update_clones".
3045 (inlining_p): Kill saving.
3046 * tree-inline.h (tree_function_versioning): Update prototype.
3047 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3050 2006-01-11 Ian Lance Taylor <ian@airs.com>
3052 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3053 Allow undoing set of machine mode.
3054 (do_SUBST): Use enums instead of is_int.
3055 (do_SUBST_MODE): New function.
3056 (SUBST_MODE): New macro.
3057 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3058 reg and trying to replace reg_regno_rtx with a new register.
3059 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3060 (simplify_set): Use SUBST_MODE.
3061 (distribute_notes): Remove code that tried to update reg notes
3062 for regno_reg_rtx changes.
3064 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3066 PR tree-optimization/23109
3067 PR tree-optimization/23948
3068 PR tree-optimization/24123
3070 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3071 * tree-cfg.c (single_noncomplex_succ): New.
3072 * tree-flow.h (single_noncomplex_succ): Declare it.
3073 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3074 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3075 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3076 insert_bb, register_division_in, insert_reciprocals,
3077 replace_reciprocal, free_bb): New.
3078 (execute_cse_reciprocals_1): Rewritten.
3079 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3080 Do not commit any edge insertion. Always compute dominators and
3081 create the allocation pool.
3082 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3083 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3084 * targhooks.c (default_min_divistions_for_recip_mul): New.
3085 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3086 * passes.c (init_optimization_passes): Run recip after tree loop
3088 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3090 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3091 Kenneth Zadeck <zadeck@naturalbridge.com>
3093 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3094 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3095 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3096 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3097 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3098 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3099 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3100 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3101 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3102 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3103 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3104 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3105 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3106 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3107 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3108 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3109 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3110 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3111 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3112 DF_SCAN_POST_ALLOC): New macros.
3113 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3114 df_free_bb_function, df_local_compute_function, df_init_function,
3115 df_dataflow_function, df_confluence_function_0,
3116 df_confluence_function_n, df_transfer_function,
3117 df_finalizer_function, df_free_function, df_dump_problem_function,
3118 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3119 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3120 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3121 df_urec_bb_info, ) New types.
3122 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3124 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3125 df_analyze_simple_change_some_blocks,
3126 df_analyze_simple_change_one_block, df_compact_blocks,
3127 df_bb_replace, df_bb_regno_last_use_find,
3128 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3129 df_insn_regno_def_p, df_find_def, df_find_use,
3130 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3131 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3132 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3133 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3134 debug_df_chain, df_get_dependent_problem, df_chain_create,
3135 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3136 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3137 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3138 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3139 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3140 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3141 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3142 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3143 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3144 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3145 df_reorganize_refs, df_set_state, df_hard_reg_init,
3146 df_read_modify_subreg_p) New public functions.
3147 * df-core.c: The core dataflow solver and glue routines for rtl
3149 (df_init, df_add_problem, df_set_blocks, df_finish,
3150 df_hybrid_search_forward, df_hybrid_search_backward,
3151 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3152 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3153 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3154 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3155 df_reg_defined, df_find_use, df_reg_used, df_dump,
3156 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3157 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3158 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3159 debug_df_useno, reset_df_after_reload): New functions.
3160 * df-scan.c: The scanning fuctions, once in df.c, completely
3161 rewritten so that they now fully model the functionality of
3162 register usage at the backend.
3163 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3164 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3165 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3166 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3167 df_get_artificial_defs, df_get_artificial_uses,
3168 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3169 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3170 df_refs_delete, df_reorganize_refs, df_set_state,
3171 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3172 df_def_record_1, df_defs_record, df_uses_record,
3173 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3174 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3175 df_record_exit_block_uses, df_hard_reg_init): New functions.
3177 * df-problems.c: Seven concrete dataflow problems that use the
3178 scanning in df-scan.c and are solved by the engine in df-core.c.
3179 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3180 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3181 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3182 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3183 df_ru_free_bb_info, df_ru_alloc,
3184 df_ru_bb_local_compute_process_def,
3185 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3186 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3187 df_ru_transfer_function, df_ru_free, df_ru_dump,
3188 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3189 df_rd_free_bb_info, df_rd_alloc,
3190 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3191 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3192 df_rd_transfer_function, df_rd_free, df_rd_dump,
3193 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3194 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3195 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3196 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3197 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3198 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3199 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3200 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3201 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3202 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3203 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3204 df_urec_mark_reg_use_for_earlyclobber,
3205 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3206 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3207 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3208 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3209 df_chain_create_bb_process_use, df_chain_create_bb,
3210 df_chain_finalize, df_chain_free, df_chains_dump,
3211 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3212 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3213 df_reg_lifetime): New functions.
3214 * df.c: Deleted file.
3215 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3216 consistent with new df api.
3217 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3218 rest_of_handle_sms): Ditto.
3219 * web.c (unionfind_union, union_defs, entry_register, web_main):
3221 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3222 invariant_expr_equal_p, find_defs, check_dependencies,
3223 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3224 free_inv_motion_data, move_loop_invariants): Ditto.
3225 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3226 Update dependencies.
3227 (odf.c): Added defective entry that was deleted later in day.
3228 * sched-deps.c (sched_analyze_1): Ditto.
3230 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3232 * tree-ssa-operands.c (get_expr_operands): Record addressable
3233 variables directly. Do not call add_stmt_operands for CONST_DECLs
3235 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3236 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3238 2006-01-11 Ben Elliston <bje@au.ibm.com>
3240 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3241 function returns true in the positive case.
3243 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3246 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3247 for SI, DI, SF and DF modes. Add alternatives to copy between
3248 general and floating point registers to the 32-bit patterns.
3249 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3250 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3251 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3252 generating 64-bit code.
3253 * config/pa/pa.c (output_move_double): Handle copies between general
3254 and floating registers.
3256 2006-01-10 Stuart Hastings <stuart@apple.com>
3258 * config/i386/i386.md (set_got): Update.
3259 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3260 (builtin_setjmp_receiver): Mach-O support.
3261 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3262 (GOT_SYMBOL_NAME): Define.
3263 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3264 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3265 * config/i386/i386.c (override_options): Revise for Darwin.
3266 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3267 support. (darwin_x86_file_end): New. (output_set_got): Add label
3268 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3269 * config/i386/i386-protos.h (output_set_got): Likewise.
3270 * config/darwin.c (machopic_legitimize_pic_address): Update
3273 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3275 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3276 when MODE isn't BLKmode.
3278 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3280 PR rtl-optimization/25367
3281 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3283 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3286 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3287 for a negative bound.
3289 2006-01-10 Richard Guenther <rguenther@suse.de>
3291 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3292 Never override with anything constraint.
3294 2006-01-10 Jan Beulich <jbeulich@novell.com>
3296 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3297 256 bits when optimize_size.
3299 2006-01-10 Jan Beulich <jbeulich@novell.com>
3301 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3303 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3304 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3307 2006-01-10 Ben Elliston <bje@au.ibm.com>
3309 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3311 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3312 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3313 (USE_FP_FOR_ARG): Reject decimal float modes.
3314 (function_arg_advance): Likewise.
3315 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3316 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3317 point types in AltiVec vectors.
3318 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3319 (rs6000_libcall_value): Likewise.
3321 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3323 * config/xtensa/ieee754-df.S: New file.
3324 * config/xtensa/ieee754-sf.S: New file.
3325 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3326 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3327 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3329 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3331 * config/sh/predicates.md (binary_float_operator,
3332 binary_logical_operator, commutative_float_operator,
3333 equality_comparison_operator, greater_comparison_operator,
3334 less_comparison_operator, logical_operator,
3335 noncommutative_float_operator, shift_operator,
3336 symbol_ref_operand, unary_float_operator): Remove redundant
3339 2006-01-09 Jeff Law <law@redhat.com>
3341 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3342 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3343 now unused arguments. Callers updated.
3344 (eliminate_redundant_computations): Remove now unused arguments,
3346 (local_fold): Remove, no longer used.
3347 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3349 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3350 (simplify_cond): New function.
3351 (forward_propagate_into_cond): Call simplify_cond.
3353 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3355 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3356 (*vec_extractv2di_1_sse): New.
3358 2006-01-09 Ben Elliston <bje@au.ibm.com>
3360 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3362 2006-01-08 Richard Guenther <rguenther@suse.de>
3364 * tree-ssa-structalias.c (get_constraint_for): Remove
3366 (get_constraint_for_component_ref): Likewise.
3367 (do_deref): Likewise.
3368 (get_constraint_for): Likewise.
3369 (do_structure_copy): Likewise.
3370 (handle_ptr_arith): Likewise.
3371 (find_func_aliases): Likewise. Remove unused need_anyoffset
3374 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3375 Kaz Kojima <kkojima@gcc.gnu.org>
3377 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3378 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3379 (EXTRA_CONSTRAINT_C16): Remove.
3380 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3381 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3382 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3383 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3384 constants of SHmedia. Handle nested constant expressions of
3386 (andcosts): Fix the costs for SHmedia constants.
3387 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3388 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3389 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3390 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3391 (movv4hi_i, movv2si_i): Likewise.
3392 (movsi_const): Adjust the second operand of ior so to match with
3394 (movdi_const, movdi_const_32bit): Likewise.
3395 (movdi_const_16bit+1): Don't sign-extend LOW.
3396 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3398 (*double_shori): Fix the split condition. Use GEN_INT instead
3399 of get_int_mode calls. Mask lower 16-bit of the argument of
3401 (sym2GOTPLT): Remove.
3402 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3404 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3405 instead of EXTRA_CONSTRAINT_C16.
3407 2006-01-07 Ian Lance Taylor <ian@airs.com>
3408 David Edelsohn <edelsohn@gnu.org>
3410 PR rtl-optimization/25662
3411 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3412 for constant operands instead of simplify_gen_binary.
3413 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3414 after trying simplify_binary_operation
3416 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3418 * tree.c (iterative_hash_expr): Hash decls based on UID.
3420 2006-01-06 Eric Christopher <echristo@apple.com>
3422 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3423 (TARGET_UNWIND_EMIT): Fix spelling.
3424 * target.h (gcc_target): Add except_table_label.
3425 * except.c (output_function_exception_table): Use.
3426 * varasm.c (default_emit_except_table_label): New.
3427 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3429 (asm_out): Add here.
3430 * output.h (default_emit_except_table_label): Prototype.
3431 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3432 * config/darwin.c (darwin_emit_except_table_label): Define.
3433 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3435 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3437 PR tree-optimization/18527
3438 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3439 number_of_iterations_special, number_of_iterations_exit):
3440 Move base and step of an iv to a single structure. Add
3441 no_overflow flag, and use it in # of iterations analysis.
3442 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3443 folded_casts argument.
3444 (simple_iv): Pass base and step in a structure. Set no_overflow
3446 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3447 Evaluate expensiveness of computing # of iterations instead of
3448 the final expression.
3449 * tree-scalar-evolution.h (affine_iv): New structure.
3450 (simple_iv): Declaration changed.
3451 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3452 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3453 find_givs_in_stmt): Changed due to simple_iv change.
3455 2006-01-06 Jeff Law <law@redhat.com>
3458 * tree-cfg.c (bsi_replace): Rename final argument from
3459 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3460 change (stmt -> orig_stmt).
3461 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3462 (bsi_remove): Add new argument. Remove EH information
3464 (verify_eh_throw_table_statements): New function.
3465 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3467 * tree-optimize.c (execute_free_cfg_annotations): Verify
3468 the EH throw statement table after removing annotations.
3469 * except.h (verify_eh_throw_table_statements): Prototype.
3470 * tree-flow.h (bsi_remove): Update prototype.
3471 * tree-vrp.c (remove_range_assertions): Add new argument to
3473 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3474 * tree-complex.c (expand_complex_div_wide): Likewise.
3475 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3476 * tree-tailcall.c (eliminate_tailcall): Likewise.
3477 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3478 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3479 * tree-nrv.c (tree_nrv): Likewise.
3480 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3481 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3482 (combine_blocks): Likewise.
3483 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3484 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3485 (cleanup_control_flow): Likewise.
3486 (remove_forwarder_block): Likewise.
3487 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3488 * tree-sra.c (sra_replace): Likewise.
3489 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3490 (forward_propagate_single_use_vars): Likewise.
3491 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3492 * tree-inline.c (expand_call_inline): Likewise.
3493 * tree-vect-transform.c (vect_transform_loop): Likewise.
3494 * tree-outof-ssa.c (rewrite_trees): Likewise.
3495 * tree-cfg.c (make_goto_expr_edges): Likewise.
3496 (cleanup_dead_labels): Likewise.
3497 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3498 (bsi_move_before, bsi_move_after): Likewise.
3499 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3500 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3502 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3505 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3507 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3508 on non gimple variables. Also add checks at the top for decls and
3510 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3512 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3513 and IMAGPART_EXPR for creating MUST_DEFs.
3514 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3515 and NAME_MEMORY_TAG separately from the DECLs.
3517 2006-01-06 Richard Guenther <rguenther@suse.de>
3519 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3520 annotation, if necessary.
3521 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3522 redundant calls to update_stmt.
3523 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3526 2006-01-05 Richard Henderson <rth@redhat.com>
3528 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3530 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3532 * c-typeck.c: Update copyright date.
3534 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3536 * c-typeck.c (build_c_cast): Always warn when casting
3537 from a pointer to an integer of different size, even if
3538 the node was constant.
3540 2006-01-05 Richard Guenther <rguenther@suse.de>
3542 PR tree-optimization/22555
3543 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3544 if one structure field is an array.
3545 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3546 operands even if we found a subvar, but ignore VOPs in this
3548 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3550 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3552 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3555 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3557 2006-01-05 Richard Guenther <rguenther@suse.de>
3558 Diego Novillo <dnovillo@redhat.com>
3560 * tree-pass.h (TODO_remove_unused_locals): Define.
3561 * gimple-low.c (expand_var_p, remove_useless_vars,
3562 pass_remove_useless_vars): Remove. Update all users.
3563 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3564 (remove_unused_locals): New function.
3565 * tree-flow.h (remove_unused_locals): Declare.
3566 * passes.c (execute_todo): Call remove_unused_locals if
3567 TODO_remove_unused_locals is set.
3568 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3569 * tree-ssa-dce.c (pass_dce): Likewise.
3570 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3572 2006-01-05 Richard Guenther <rguenther@suse.de>
3574 * tree-flow.h (struct fieldoff): Decompose field to
3575 type, size and decl.
3576 * tree-ssa-alias.c (create_sft): Take type as parameter.
3577 (create_overlap_variables_for): Store type, size and decl
3578 in the fieldoff structure.
3579 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3581 (push_fields_onto_fieldstack): Likewise.
3582 (create_variable_info_for): Likewise. Use offset for the
3583 SFT name if the decl is not available.
3585 2006-01-04 Paul Brook <paul@codesourcery.com>
3587 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3589 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3591 * lambda-code.c (can_put_in_inner_loop): Relax
3593 (can_put_after_inner_loop): New function.
3594 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3595 (perfect_nestify): Change to make copies and modify uses.
3597 2006-01-04 Richard Henderson <rth@redhat.com>
3599 Merge from gomp branch:
3600 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3601 via integer constant.
3602 (pragma_lex): Remove.
3603 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3604 rather than parsing it.
3605 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3606 handle_pragma_extern_prefix): Add %< %> quotes.
3607 (registered_pragmas): New.
3608 (c_register_pragma_1): New.
3609 (c_register_pragma): Use it.
3610 (c_register_pragma_with_expansion): Likewise.
3611 (c_invoke_pragma_handler): New.
3612 (init_pragma): Use cpp_register_deferred_pragma directly for
3614 * c-pragma.h (enum pragma_kind): New.
3615 (pragma_handler): New.
3616 (c_invoke_pragma_handler): Declare.
3617 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3619 * c-common.h (c_common_pch_pragma): Update decl.
3620 * Makefile.in (c-parser.o): Update dependencies.
3621 (GTFILES): Add c-pragma.h.
3622 * c-parser.c (struct c_token): Add pragma_kind.
3623 (struct c_parser): Add in_pragma.
3624 (c_lex_one_token): Always initialize keyword and pragma_kind.
3625 Extract data for CPP_PRAGMA.
3626 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3627 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3628 Don't allow CPP_PRAGMA_EOL if in_pragma.
3629 (c_parser_consume_pragma): New.
3630 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3631 (c_parser_skip_to_end_of_parameter): Likewise.
3632 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3633 (c_parser_skip_to_pragma_eol): New.
3634 (c_parser_external_declaration): Handle CPP_PRAGMA.
3635 (c_parser_compound_statement_nostart): Likewise.
3636 (c_parser_statement_after_labels): Likewise.
3637 (c_parser_pragma): New.
3638 (pragma_lex): Likewise.
3639 (c_parser_pragma_pch_preprocess): New.
3640 (c_parser_new): Merge into ...
3641 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3643 2006-01-04 Jeff Law <law@redhat.com>
3646 * tree-cfg.c (bsi_replace): Remove the original statement
3647 from the EH throw statement table.
3649 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3651 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3652 make the prototype extern "C" and add throw ().
3655 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3656 and pos non-negative and pos + len <= 32.
3657 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3658 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3659 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3662 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3663 as well as sizes not multiple of component size.
3666 * function.c (instantiate_expr): New function.
3667 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3668 walk its DECL_VALUE_EXPR with instantiate_expr.
3670 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3671 DW_OP_deref{,_size} if address isn't going to be added.
3673 2006-01-04 Ben Elliston <bje@au.ibm.com>
3675 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3676 * config/fp-bit.c: Likewise.
3678 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3680 * dominance.c: Add comment about why we use DFS numbering
3683 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3684 Richard Henderson <rth@redhat.com>
3686 Merge from gomp-branch:
3687 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3688 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3690 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3692 PR rtl-optimization/25578
3693 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3694 pass a parameter to simplify_shift_const if changing ASHIFTRT
3697 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3699 * builtins.c (get_builtin_sync_mem): New function.
3700 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3701 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3702 Call get_builtin_sync_mem to generate mem rtx.
3704 2006-01-03 Richard Guenther <rguenther@suse.de>
3707 * stmt.c (add_case_node): Make sure to clear overflow flags
3710 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3712 Merge from gomp-branch.
3713 * config/sparc/sync.md: New file.
3714 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3715 UNSPECV_LDSTUB): New constants.
3716 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3717 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3718 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3721 2006-01-03 Roger Sayle <roger@eyesopen.com>
3723 * combine.c (reg_subword_p): New predicate to test whether the
3724 destination of a set refers to a subword/piece of a register.
3725 (try_combine): Generalize the code to merge the setting of a
3726 pseudo to a constant followed by a set of a subword of that
3727 register to a constant.
3729 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3731 * basic-block.h (control_flow_graph): Change the type of
3732 x_label_to_block_map to VEC(basic_block,gc) *.
3733 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3734 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3736 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3737 VEC(basic_block,heap) *.
3738 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3739 ssa_prop_fini): Adjust the uses of cfg_blocks.
3741 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3743 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3745 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3746 hashing trees instead of a pointer hash.
3747 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3748 compare for MEM_EXPR.
3750 PR rtl-optimization/25130
3751 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3752 when comparing MEMs for GCSE
3754 2006-01-03 Ben Elliston <bje@au.ibm.com>
3756 * targhooks.h (default_decimal_float_supported_p): Declare.
3757 * targhooks.c (default_decimal_float_supported_p): Define.
3758 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3759 `default_decimal_float_supported_p'.
3760 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3762 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3764 * combine.c (apply_distributive_law <SUBREG>): Check
3765 TRULY_NOOP_TRUNCATION.
3767 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3769 * dwarf2out.c (have_switched_text_section): Delete.
3770 (have_multiple_function_sections): New.
3771 (have_location_lists): Make 'bool'.
3772 (add_AT_loc_list): Use 'true' not '1'.
3773 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3774 (output_loc_list): Use have_multiple_function_sections.
3775 (output_ranges): Likewise.
3776 (dwarf2out_begin_function): Set have_multiple_function_sections if
3778 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3779 Check function_section rather than DECL_SECTION_NAME.
3780 (dwarf2out_finish): Use have_multiple_function_sections.
3781 Don't clear have_location_lists.
3783 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3784 Jan Hubicka <jh@suse.cz>
3786 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3787 case of conditional jump jumping to the next instruction.
3788 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3789 cases of conditional jump jumping to the next instruction.
3791 2006-01-02 Jan Hubicka <jh@suse.cz>
3793 * i386.c (*_cost): Add COSTS_N_INSNS.
3794 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3796 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3799 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3801 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3803 * config/arm/arm.c (all_fpus): Fix comment typo.
3804 * config/darwin.c: Likewise.
3805 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3806 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3807 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3809 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3811 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3812 (rs6000_split_compare_and_swapqhi): New.
3813 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3814 (sync_compare_and_swapqhi_internal): New.
3815 * config/rs6000/rs6000-protos.h: Declare.
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