* config/mips/mips.md (cprestore): Provide two alternatives, one for
[official-gcc.git] / gcc / ChangeLog
blob965c6556534708bf4a3b7ee55c155b964cc762a4
1 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
3         * config/mips/mips.md (cprestore): Provide two alternatives, one for
4         an in-range offset and one for an out-of-range offset.  Wrap the latter
5         in .set macro/.set nomacro if it's inside a .set nomacro block.
7 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
10         (mips_restore_gp): Declare.
11         * config/mips/mips.c (mips_add_offset): Add a scratch register
12         argument.  Reimplement in rtl only, reusing MIPS16 logic from
13         mips_output_mi_thunk.
14         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
15         to mips_add_offset.
16         (mips_gp_save_slot): Delete.
17         (mips_restore_gp): New function.
18         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
19         * config/mips/mips.md (exception_receiver): Turn into a
20         define_insn_and_split.  Use mips_restore_gp to do the split.
21         (call_internal, call_value_internal, call_value_multiple_internal): Use
22         mips_restore_gp to restore $gp.
24 2004-07-31  Andrew Pinski  <apinski@apple.com>
26         PR other/16842
27         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
29 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
31         * c-decl.c (diagnose_mismatched_decls): Give error for external
32         redeclaration of identifier declared with no linkage, not just
33         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
34         error for redeclaration with no linkage.
36 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
37             Fariborz Jahanian <fjahanian@apple.com>
39         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
40         non-offsettable addresses even for DImode.
41         (rs6000_split_multireg_move): Cope with non-offsettable addresses
42         being moved into multiple GPRs.
44         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
45         to 64.
46         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
47         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
48         to 128.
49         * config/rs6000/darwin-ldouble.c (isless): New macro.
50         (inf): New macro.
51         (nonfinite): New macro.
52         (FPKINF): Delete.
53         (_xlqadd): Completely rewrite.
54         (_xlqmul): Correct overflow handling.
55         (_xlqdiv): Correct overflow handling.
56         * config/rs6000/darwin-ldouble-format: New file.
58 2004-07-30  Roger Sayle  <roger@eyesopen.com>
59             Richard Henderson  <rth@redhat.com>
61         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
62         9 into the equivalent lea instruction.
64 2004-07-30  Richard Henderson  <rth@redhat.com>
66         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
67         with DECL_INITIAL if fb_lvalue.
68         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
69         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
70         with <Cxxx>.
71         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
73 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
75         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
76         pointer escapes through a function call, assume that the
77         callee will dereference it.
78         (add_pointed_to_var): Assume that VALUE is always an
79         ADDR_EXPR.
80         (collect_points_to_info_r): Only call add_pointed_to_var if
81         the value is an ADDR_EXPR.
83 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
85         * tree-ssa-alias.c (create_alias_map_for): Do not get the
86         alias set of the inner type of ARRAY_TYPEs.
88 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
90         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
91         setting a non-register to UNDEFINED right before the call to
92         set_lattice_value.
94 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
96         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
98 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
100         * tree-ssa.c (verify_flow_sensitive_alias_info): When
101         comparing points-to sets of different pointers, make sure the
102         second pointer is actually referenced in the code.
104 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
106         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
107         (got_symbolic_operand): Remove unreachable code.
108         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
109         setjmp_operand; add entry for tls_symbolic_operand.
110         * config/ia64/ia64-protos.h: Remove all prototypes of
111         predicate functions.
113 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
115         * c-common.h (lang_post_pch_load): New variable.
116         * c-pch.c (lang_post_pch_load): Define it.
117         (c_common_read_pch): Use it.
118         * cgraphunit.c (record_call_1): Give the front end a chance to
119         record additional needed entities when a variable is marked as
120         needed.
121         * tlink.c (recompile_files): Robustify.
122         (scan_linker_output): If a symbol is assigned to a file,
123         but after recompilation is not present there, issue an error
124         message.
126 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
128         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
129         Take orig_loop argument and pass it to set_level.
130         (schedule_sm): Pass the correct orig_loop to force_move_till.
132 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
134         * cfgloop.c (update_latch_info): Update dominator of the new block.
135         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
136         info.
137         * dominance.c (verify_dominators): Check that the dominance tree is
138         connected.
139         (recount_dominator): Ignore unreachable blocks.
140         (iterate_fix_dominators): Cleanup old dominance information before
141         recomputing it.
143 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
145         * tree-ssa-operands.c (get_expr_operands): Revert changes
146         to ADDR_EXPR processing introduced by:
147             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
148             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
150 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
152         * doc/implement-c.texi: Add C90 subclause references.  Point to
153         preprocessor documentation instead of duplicating it.  Add points
154         only present in C90.  Fill in documentation for all points.
156 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
158         * pa.c (output_movb): Correct typo.
160 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
162         * ra.h (single_reg_in_regclass): Declare.
163         * ra.c (single_reg_in_regclass): Define.
164         (first_hard_reg): New.
165         (init_ra): Initialize single_reg_in_regclass.
166         * ra-colorize.c (ok_class): New.
167         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
169 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
171         * gcov-io.h: Allow zero tag as EOF indicator.
172         (gcov_is_eof): Remove.
173         (gcov_truncate): Remove.
174         * gcov-io.c (gcov_seek): Always SEEK_SET.
175         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
176         EOF tag.
177         * coverage.c (read_counts_file): Don't use gcov_is_eof.
178         * gcov-dump.c (dump_file): Likewise.
179         * gcov.c (read_graph_file, read_count_file): Likewise.
181         * c-decl.c (complete_array_type): Don't gratuitously copy
182         maxindex.  Check it always has a type.
184 2004-07-29  Steven Bosscher  <stevenb@suse.de>
186         * rtl.c (currently_expanding_to_rtl): New.
187         * rtl.h (currently_expanding_to_rtl): Export it.
188         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
190         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
191         inliner hack.
192         * config/sh/sh.c: Replace rtx_equal_function_value_matters
193         with currently_expanding_to_rtl.
194         * config/sh/sh.md: Likewise.
195         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
197 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
199         Introduce sh2a support.
200         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
201         * config.gcc: Build multilibs for sh2a and sh2a-single by
202         default.
203         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
204         default.  Split their tests out of the corresponding SH4
205         multilibs.
206         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
207         multilibs for SH2a.
208         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
209         * config.gcc: Handle sh2a multilibs and cpu selection.
210         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
211         * config/sh/t-mlib-sh2a: New.
212         * config/sh/t-mlib-sh2a-nofpu: New.
213         * config/sh/t-mlib-sh2a-single: New.
214         * config/sh/t-mlib-sh2a-single-only: New.
215         2004-07-09  Nick Clifton  <nickc@redhat.com>
216         Issue 43400
217         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
218         -ml and -m2a are used together.
219         2004-03-23  DJ Delorie  <dj@redhat.com>
220         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
221         when we have a double-sized FPU.
222         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
223         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
224         is set.
225         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
226         -msh2a-single and -msh2a-single-only
227         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
228         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
229         is set.
230         2004-02-20  DJ Delorie  <dj@delorie.com>
231         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
232         2004-02-20  Fred Fish <fnf@redhat.com>,
233         Corinna Vinschen <vinschen@redhat.com>
234         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
235         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
236         2004-02-18  DJ Delorie  <dj@redhat.com>
237         * config/sh/sh.c (broken_move): Add support for movi20.
238         * config/sh/sh.h: Likewise.
239         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
240         * config/sh/sh.md (udivsi3_sh2a): New.
241         (udivsi3): Call it.
242         (divsi3_sh2a): New.
243         (divsi3): Call it.
244         (mul_r): New.
245         (ashlsi3_sh2a): New.
246         (ashrsi3_sh2a): New.
247         (lshrsi3_sh2a): New.
248         (movsi_i): Disable for sh2a.
249         (movsi_ie): Add movi20.
250         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
251         sh2a, for -m2a-nofpu mode.
252         2004-02-13  DJ Delorie  <dj@redhat.com>
253         * config/sh/lib1funcs.asm: Handle double vs single better.
254         * config/sh/sh.h: Likewise.
255         2004-02-09  DJ Delorie  <dj@redhat.com>
256         * config/sh/crt1.asm: Add support for sh2a.
257         * config/sh/elf.h: Likewise.
258         * config/sh/lib1funcs.asm: Likewise.
259         * config/sh/sh.c: Likewise.
260         * config/sh/sh.md: Likewise.
261         * config/sh/sh.h: Likewise.
262         * config/sh/t-sh: Likewise.
264 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
266         * config/frv/frv.md (movqi_internal, movhi_internal,
267         movsi_internal): Add backup alternatives for memory inputs.
269 2004-07-28  Matt Austern  <austern@apple.com>
271         * config/darwin.c (darwin_one_byte_bool): New global variable.
272         * config/darwin.h (darwin_one_byte_bool): Declare.
273         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
274         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
275         value of darwin_one_byte_bool.
276         * doc/invoke.texi: Document -mone-byte-bool flag.
278 2004-07-28  Eric Christopher  <echristo@redhat.com>
280         * c-common.c (c_common_unsafe_for_reeval): Delete.
281         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
282         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
283         * calls.c (fix_unsafe_tree): Delete.
284         (expand_call): Delete code which used above.
285         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
286         * expr.c (expand_expr_real_1): Ditto.
287         * fold-const.c (non_lvalue): Ditto.
288         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
289         (lhd_unsafe_for_reeval): Ditto.
290         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
291         * langhooks.h (unsafe_for_reeval): Ditto.
292         (unsave_expr_now): Adjust comment.
293         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
294         (estimate_num_insns_1): Ditto.
295         * tree-pretty-print.c (dump_generic_node): Ditto.
296         * tree.c (expr_align): Ditto.
297         (unsave_expr): Delete.
298         (unsafe_for_reeval): Ditto.
299         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
300         * tree.def (UNSAVE_EXPR): Delete.
301         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
303 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
305         * tree.h (enum tls_model): Move ...
306         * coretypes.h: ... here.
308 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
310         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
312 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
314         * cse.c (validate_canon_reg): New function, split out from...
315         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
317 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
319         * tree-ssa-alias.c (maybe_create_global_var): Don't just
320         return if .GLOBAL_VAR has been created.
322 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
324         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
325         every variable that may have aliases, not just tags.
327 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
329         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
330         move_from_CR_eq_bit.
331         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
334         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
335         e500_flip_eq_bit.
337         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
338         output_e500_flip_eq_bit.
340         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
341         output_e500_flip_eq_bit.
342         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
343         output_e500_flip_eq_bit.
344         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
345         (print_operand): case D.  Get to EQ bit.
347 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
349         * gcov.c (function_summary): Add missing \n.
351 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
353         Introduce sh4a support.
354         * config.gcc: Handle sh4a multilibs and cpu selection.
355         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
356         * config/sh/t-mlib-sh4a: New.
357         * config/sh/t-mlib-sh4al: New.
358         * config/sh/t-mlib-sh4a-nofpu: New.
359         * config/sh/t-mlib-sh4a-single: New.
360         * config/sh/t-mlib-sh4a-single-only: New.
361         2004-02-20  DJ Delorie  <dj@redhat.com>
362         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
363         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
364         2003-08-22  Eric Christopher  <echristo@redhat.com>
365         * config/sh/sh4a.md: Update for chip errata.
366         2003-08-07  Eric Christopher  <echristo@redhat.com>
367         * config/sh/sh4a.md: New file. sh4a processor description.
368         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
369         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
370         of -m4a-nofpu.
371         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
372         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
373         * doc/invoke.texi (SH Options): Document -m4al.
374         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
375         * config/sh/sh.c (expand_block_move): Remove commented-out code
376         checked in by mistake.
377         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
378         single elements from SFmode vectors.
379         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
380         register.
381         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
382         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
383         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
384         sh_fsca_int2sf): Remove variable declarations.
385         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
386         sh_fsca_int2sf): New functions.
387         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
388         sh_fsca_int2sf_rtx): New static variables.
389         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
390         sh_fsca_int2sf): Declare.
391         * config/sh/sh.md: Adjust.
392         * doc/invoke.texi (SH Options): Document new options.
393         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
394         compatibility from SH4 code.
395         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
396         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
397         early.
398         (memory_movsrc_operand): Renamed to...
399         (unaligned_load_operand): ... this.  Simplified.
400         * config/sh/sh.h (PREDICATE_CODES): Adjust.
401         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
402         input operand to SImode, and adjust the others.  Introduce
403         post-increment by peephole.
404         * config/sh/sh.c (expand_block_move): Give the target address the
405         same mode as the temp reg.
406         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
407         copying.
408         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
409         Introduce support for SH4a.
410         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
411         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
412         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
413         sh_fsca_int2sf): New.
414         (sh_init_builtins): Initialize them.
415         (print_operand): Support `d'.
416         (expand_block_move): Use movua if src is misaligned.
417         (memory_movsrc_operand): New.
418         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
419         and one of the SH4 macros.
420         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
421         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
422         SELECT_SH4A_SINGLE): New.
423         (TARGET_NONE): Add SH4A_BIT.
424         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
425         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
426         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
427         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
428         (enum processor_type): Added PROCESSOR_SH4A.
429         (PREDICATE_CODES): Add memory_movsrc_operand.
430         * config/sh/sh.md: Removed unused variables.
431         (attr cpu): Add sh4a.
432         (attr type): Add movua, fsrra and fsca.
433         (prefetch): New, for SH4.
434         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
435         (toggle_sz): Set type to fp.
436         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
437         (movua, extv, extzv): New.
438         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
439         and 4a-single-only.
441 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
443         * tree-optimize.c (init_tree_optimization_passes): Schedule
444         pass_may_alias right after the program is renamed into SSA.
445         * tree-pass.h (PROP_alias): Define.
446         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
447         * tree-sra.c (pass_sra): Likewise.
448         * tree-ssa-ccp.c (pass_ccp): Likewise.
449         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
450         * tree-ssa-dce.c (pass_dce): Likewise.
451         * tree-ssa-dom.c (pass_dominator): Likewise.
452         * tree-ssa-dse.c (pass_dse): Likewise.
453         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
454         * tree-ssa-loop-ch.c (pass_ch): Likewise.
455         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
456         * tree-ssa-pre.c (pass_pre): Likewise.
457         * tree-tailcall.c (pass_tail_recursion): Likewise.
458         * tree-ssa.c (pass_redundant_phi): Likewise.
459         * tree-ssa-alias.c (aliases_computed_p): Remove.
460         Update all users.
461         (init_alias_info): Do not mark all type tags for renaming
462         unconditionally.
463         Clear may_aliases from every symbol.
464         (setup_pointers_and_addressables): If a pointer has not been
465         dereferenced and it had a type tag, clear it and mark the old
466         tag for renaming.
468 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
470         PR tree-optimization/16705
471         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
472         .GLOBAL_VAR.
474 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
476         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
477         check.
479         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
480         don't make another one.
482         PR optimization/15077
483         * function.h (struct function): Add field saved_static_chain_decl.
484         Fix comment for static_chain_decl.
485         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
486         * tree-inline.h (save_body): Add new arg.
487         * tree-optimize.c (tree_rest_of_compilation): Handle saving
488         static_chain_decl.
490 2004-07-27  Richard Henderson  <rth@redhat.com>
492         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
493         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
494         is_gimple_addressable.
495         * tree-gimple.c (is_gimple_addressable): Rename from
496         is_gimple_addr_expr_arg; accept INDIRECT_REF.
497         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
498         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
499         rename to is_gimple_addressable.
501 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
503         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
505 2004-07-27  Richard Henderson  <rth@redhat.com>
507         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
508         before rounding.
510 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
512         * libgcc2.c: Change all conditionals testing
513         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
514         * libgcc2.h: Likewise.
515         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
516         TYPE_PRECISION of float80_type to 80.
517         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
518         of fpreg_type and float80_type to 80.
519         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
520         * config/m68k/netbsd-elf.h:
521         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
522         to evaluate to 80 whenever they would formerly have evaluated to 96.
523         * config/i386/sco5.h: Remove unnecessary redefinition of
524         LONG_DOUBLE_TYPE_SIZE.
525         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
526         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
527         XFmode, with a bitsize of 80.  Update commentary.
528         * config/ia64/ia64-modes.def: Likewise.
529         * config/m68k/m68k-modes.def: Likewise.
531 2004-07-27  Steven Bosscher  <stevenb@suse.de>
533         * cfgexpand.c (tree_expand_cfg): Fix comment.
535         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
536         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
537         Remove.
538         (prepare_function_start): Don't set rtx_equal_function_value_matters.
539         * integrate.c (copy_rtx_and_substitute): Don't test for it.
540         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
541         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
542         here again.  Update leading comment.
543         * rtl.c (rtx_equal_function_value_matters): Remove.
544         (rtx_equal_p): Don't test for it.
545         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
546         Likewise.
548         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
549         * rtl.c (note_insn_name): Likewise.
550         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
551         * final.c (final_scan_insn): Likewise.
553         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
554         * passes.c (rest_of_handle_eh): Do it here.
556         * stmt.c (struct nesting): Remove struct nesting block member.
557         (struct stmt_status): Remove x_block_start_count field.
558         (current_block_start_count): Remove.
560 2004-07-27  Brian Booth  <bbooth@redhat.com>
562         * tree-optimize.c (register_one_dump_file): Update condition that uses
563         static_pass_number.
564         (dup_pass_1): Replace with...
565         (next_pass_1): This.
566         (NEXT_PASS): Call next_pass_1.
567         (DUP_PASS): Remove.
568         (init_tree_optimization_passes): Remove uses of DUP_PASS.
569         (execute_one_pass): Update condition that uses
570         static_pass_number.
571         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
572         integer.
574 2004-07-27  Nick Clifton  <nickc@redhat.com>
576         * config/m32r/m32r.c: Include integrate.h in order to get the
577         prototype for get_hard_reg_initial_val().
579         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
580         and tidy up indentation.
581         (final_presence_set): Use absence_set instead, so that if there is
582         nothing in the "o" pipe the "s" pipe can be scheduled.
584 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
586         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
587         don't have PT_VARS nor PT_MALLOC set.
588         Clear name tag from pointers that have not been dereferenced.
589         (set_pt_anything, set_pt_malloc): Forward declare.
590         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
591         not type compatibility when determining if a pointer can be
592         copy propagated.
594 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
596         * expr.h (canonicalize_condition, get_condition): Add an int argument.
597         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
598         it to check whether the condition is still valid at the jump insn.
599         * ifcvt.c (noce_get_condition): Likewise.
600         (noce_get_alt_condition): Update call to canonicalize_condition.
601         * loop-iv.c (simplify_using_initial_values): Update call to
602         get_condition.  Remove FIXME.
603         (check_simple_exit): Update call to get_condition.
604         * loop-unswitch.c (may_unswitch_on): Likewise.
605         * loop.c (check_dbra_loop): Likewise.
606         (canonicalize_condition, get_condition): Add an argument to say whether
607         the condition must still be valid at INSN.
608         (get_condition_for_loop): Update call to get_condition.  Require that
609         the condition be valid at INSN.
610         * predict.c (estimate_probability): Update call to get_condition.
611         Remove unused earliest parameter.
612         (expected_value_to_br_prob): Update call to canonicalize_condition.
614 2004-07-26  Eric Christopher  <echristo@redhat.com>
616         * tree-dfa.c (add_referenced_var): Register initializers of global
617         variables.
619 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
621         * config/i386/i386.c (function_arg): Always treat 8-
622         and 16-byte wide vectors the same, even if MMX/SSE
623         are disabled.
624         (contains_128bit_aligned_vector_p): Add comment.
626 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
628         * ra.h (enum node_type): Rename to:
629         (enum ra_node_type).
630         * ra-colorize.c: Likewise.
632 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
634         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
635         after simplifying the jump.
637 2004-06-26  Richard Henderson  <rth@redhat.com>
639         * calls.c (combine_pending_stack_adjustment_and_call): Make
640         preferred_unit_stack_boundary argument unsigned.  Make
641         unadjusted_alignment unsigned.
642         (expand_call): Make preferred_stack_boundary and
643         preferred_unit_stack_boundary variables unsigned.
644         * function.c (assign_stack_local_1): Make alignment unsigned.
645         * function.h (struct function): Make stack_alignment_needed,
646         preferred_stack_boundary unsigned.
647         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
648         (ix86_compute_frame_layout): Make stack_alignment_needed,
649         preferred_alignment variables unsigned.
650         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
652 2004-07-26  Tom Tromey  <tromey@redhat.com>
654         * tree.h: Fix typo in comment.
656 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
658         PR bootstrap/12804
659         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
660         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
661         (ggc_free): Remove incorrect freeing.
662         (sweep_pages): Advance PP for large pages.  Fix indentation.
664 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
666         PR rtl-optimization/16643
667         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
668         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
669         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
670         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
671         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
672         * function.c (thread_prologue_and_epilogue_insns): Likewise.
673         * rtl.h (tracer): Add a flags parameter.
674         * tracer.c (tracer): Pass it to cfg_layout_initialise.
675         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
676         (rest_of_handle_reorder_blocks): Update calls to tracer and
677         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
678         (rest_of_handle_tracer): Pass 0 to tracer.
679         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
681 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
683         PR target/16239
684         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
685         f->f.
687 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
689         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
690         (BINFO_BASE_ACCESS): Adjust.
691         (BINFO_BASE_ACCESS_APPEND): New.
692         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
693         * dbxout.c (dbxout_type): Adjust binfo access accessing.
694         * dwarf2out.c (gen_member_die): Likewise.
695         * tree-dump.c (deque_and_dump): Likewise.
697 2004-07-26  Falk Hueffner  <falk@debian.org>
699         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
700         costs.
702 2004-07-25  Roger Sayle  <roger@eyesopen.com>
704         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
705         value off of the stack if TARGET_USE_FFREEP.
707 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
709         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
710         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
711         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
712         check on invocation of XRESIZEVEC ().
714 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
716         * c-common.c (disable_builtin_function): Rename variable n to
717         new_disabled_builtin.
718         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
719         Rename local variable old to old_decl.
720         * gensupport.c (shift_output_template): Rename parameter old to src.
721         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
722         old_rtx and newx to new_rtx.
724 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
726         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
727         of c-pragma.h.
728         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
729         enum cpp_ttype.
730         * c-lex.c: Likewise.
732 2004-07-25  Roger Sayle  <roger@eyesopen.com>
734         * fold-const.c (constant_boolean_node): Make extern.
735         (make_range): Wrap long lines.
736         (fold_cond_expr_with_comparison): Remove unnecessary call to
737         pedantic_non_lvalue.  Add missing calls to fold_convert.
738         (fold_truthop): Add missing calls to fold_convert.
739         (fold): Likewise.
740         * tree.h (constant_boolean_node): Add prototype here.
741         * builtins.c (expand_builtin_strncmp): Add missing calls to
742         fold_convert.
743         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
744         Call fold_convert and constant_boolean_node to correct types.
745         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
746         missing call to fold_convert to correct types.
748 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
749             Brian Ryner  <bryner@brianryner.com>
751         PR c++/9283
752         PR c++/15000
753         * c-common.c (c_common_attribute_table): Allow
754         handle_visibility_attribute to be called for types.
755         (handle_visibility_attribute) When given a type, set the visibility
756         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
757         so that we can check later whether the attribute was present. Added
758         warning if attribute applied to non class type.
759         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
760         decls and checking that they are consistent.
761         * common.opt: Added -fvisibility.
762         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
763         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
764         * flags.h, tree.h: Added assorted support defines for overall patch
765         * opts.c: Added parsing support for -fvisibility.
766         * tree.c (build_decl): Set visibility for all decls to be whatever
767         is in force at that time.
768         * varasm.c (default_binds_local_p_1): Reworked logic determining
769         when to make a symbol locally bound.
770         * doc/invoke.texi: Added documentation for -fvisibility and
771         -fvisibility-inlines-hidden.
773 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
775         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
776         * c-common.c: Add missing casts from void * to other types.
777         * c-decl.c: Likewise.
778         * c-format.c: Likewise.
779         * c-lex.c: Likewise.
780         * c-pragma.c: Likewise.
781         * c-typeck.c: Likewise.
782         * defaults.h: Likewise.
783         * genconstants.c: Likewise.
784         * gengtype-lex.l: Likewise.
785         * genmodes.c: Likewise.
786         * read-rtl.c: Likewise.
787         * rtl.c: Likewise.
789 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
791         * bitmap.c: Use type-safe memory allocation macros from libiberty.
792         * c-common.c: Likewise.
793         * c-decl.c: Likewise.
794         * c-lang.c: Likewise.
795         * c-lex.c: Likewise.
796         * c-opts.c: Likewise.
797         * c-parse.in: Likewise.
798         * c-typeck.c: Likewise.
799         * genconditions.c: Likewise.
800         * gengtype-lex.l: Likewise.
801         * gengtype-yacc.y: Likewise.
802         * gengtype.c: Likewise.
803         * genmodes.c: Likewise.
804         * gensupport.c: Likewise.
805         * read-rtl.c: Likewise.
806         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
807         htab_find_slot().
809 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
811         * c-decl.c (groktypename, groktypename_in_param_context): Rename
812         variable typename to type_name.
813         * c-lex.c (interpret_float): Likewise.
815 2004-07-25  Roger Sayle  <roger@eyesopen.com>
817         * convert.c (convert_to_real, convert_to_integer,
818         convert_to_complex): Replace calls to build with calls to buildN.
819         * coverage.c (tree_coverage_counter_ref): Likewise.
820         * dojump.c (do_jump): Likewise.
821         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
822         * emit-rtl.c (component_ref_for_mem_expr,
823         set_mem_attributes_minus_bitpos): Likewise.
824         * explow.c (update_nonlocal_goto_save_area): Likewise.
825         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
826         expand_mult_add): Likewise.
827         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
828         store_constructor, get_inner_reference, expand_expr_real_1,
829         try_casesi, try_tablejump): Likewise.
830         * function.c (expand_function_start): Likewise.
831         * stmt.c (emit_case_bit_tests, expand_end_case_type,
832         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
833         * stor-layout.c (place_union_field, layout_type): Likewise.
834         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
835         * varasm.c (copy_constant): Likewise.
837 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
839         * c-common.c: Rename all identifiers named `new'.
840         * c-decl.c: Likewise.
841         * gensupport.c: Likewise.
842         * simplify-rtx.c: Likewise.
843         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
844         with XNEW().
845         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
846         with XNEWVEC().
848 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
850         PR c/15360
851         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
852         declarations until after calling pushdecl.
853         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
854         "extern" and not on whether the declaration is initialized.
856 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
858         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
859         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
860         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
861         "cpplib.h", "c-pragma.h", "c-common.h".
862         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
863         (solaris_register_pragmas): New functions.
864         * config/sol2-protos.h: New file.
865         * config/sol2.c: New file.
866         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
867         (REGISTER_TARGET_PRAGMAS): New macros.
868         (solaris_pending_aligns, solaris_pending_inits)
869         (solaris_pending_finis): New variables.
870         * config/t-sol2 (sol2-c.o): Update dependencies.
871         (sol2.o): New rule.
872         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
873         SUBTARGET_INSERT_ATTRIBUTES.
874         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
875         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
876         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
877         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
878         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
879         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
880         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
881         * config/sparc/sparc.c (sparc_attribute_table): New.
882         (TARGET_INSERT_ATTRIBUTES): Define in terms of
883         SUBTARGET_INSERT_ATTRIBUTES.
884         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
885         is defined.
886         * doc/extend.texi (Solaris Pragmas): New section.
888 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
890         * c-common.c: Rename all identifiers named `class' to `cl'.
891         * c-common.h: Likewise.
892         * c-parse.in: Likewise.
893         * c-typeck.c: Likewise.
894         * genmodes.c: Likewise.
895         * real.c: Likewise.
896         * real.h: Likewise.
897         * recog.c: Likewise.
898         * recog.h: Likewise.
899         * regrename.c: Likewise.
900         * tree.h: Likewise.
901         * c-common.c (builtin_function_2): Change type of 5th parameter from
902         int to enum built_in_function. Change type of 8th parameter from int
903         to bool.
904         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
905         with GGC_CNEW().
906         * c-typeck.c (convert_arguments): Change type of formal_prec from
907         int to unsigned int.
908         * genmodes.c (blank_mode): Make a few negative constants unsigned.
909         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
910         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
911         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
912         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
913         iterator to for_all_modes () instead of an enum because enums can't
914         be incremented in C++.
917 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
919         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
920         hard registers.
922 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
924         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
925         Handle ARRAY_RANGE_REF like ARRAY_REF.
927 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
929         * c-typeck.c (digest_init): Don't allow arrays of signed or
930         unsigned variants of wchar_t to be initialized by wide string
931         constants.  Do allow arrays of enumerated types compatible with
932         wchar_t to be initialized by wide string constants.  Refine tests
933         distinguishing wide and narrow strings and arrays.  Give specific
934         error for arrays of other integer types initialized by string
935         constants.
936         (output_init_element, process_init_element): Check for
937         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
938         initializing with string constants.
940 2004-07-25  Richard Henderson  <rth@redhat.com>
942         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
943         on the RESULT_DECL.
944         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
945         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
946         DECL_IGNORED_P to new decl.
948 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
950         * config/ia64/ia64.c (general_xfmode_operand)
951         (destination_xfmode_operand): Delete.
952         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
953         * config/ia64/ia64.md (*movxf_internal): Use general_operand
954         and destination_operand.
956 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
958         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
959         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
961 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
962             Zack Weinberg  <zack@codesourcery.com
964         PR 16684
965         * c-decl.c (diagnose_mismatched_decls): Don't issue a
966         redundant-declaration warning the first time a builtin is
967         declared explicitly.
969 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
971         * tree.h (staticp): Change return type to bool.
973 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
975         * c-common.c (c_staticp): Last episode of the staticp saga.
977 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
979         * c-common.h (c_staticp): Change return type from int to bool.
980         * tree.c (staticp): Likewise.
981         * langhooks.h (staticp): Likewise.
983 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
985         * langhooks-def.h (lhd_staticp): Change return type from int to
986         bool in prototype to match definition.
988 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
990         * system.h (bool, true, false): Don't redefine as preprocessor macros
991         in C++.
993 2004-07-24  Roger Sayle  <roger@eyesopen.com>
995         * expmed.c (init_expmed): A signed modulus by a power of two is
996         considered cheap if its less than or equal to four instructions.
998 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1000         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
1001         GGC_CNEWVAR): New macros.
1003 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1005         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
1006         lists.
1007         * c-decl.c: Likewise.
1008         * c-format.c: Likewise.
1009         * c-lex.c: Likewise.
1010         * c-opts.c: Likewise.
1011         * c-pragma.c: Likewise.
1012         * c-typeck.c: Likewise.
1013         * gencheck.c: Likewise.
1014         * genconditions.c: Likewise.
1015         * genconfig.c: Likewise.
1016         * genflags.c: Likewise.
1017         * gengtype.c: Likewise.
1018         * gensupport.c: Likewise.
1019         * ggc-none.c: Likewise.
1020         * langhooks.c: Likewise.
1021         * statistics.h: Likewise.
1022         * stub-objc.c: Likewise.
1023         * java/decl.c: Likewise.
1025 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
1027         * config/m68k/m68k.c (output_scc_di): Fix coding style.
1028         (symbolic_operand): Fix prototype.
1029         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
1030         * config/m68k/m68k.md: Add constants for registers a0 and sp and
1031         use them, change from the "{...}" syntax to the simpler {...}
1032         syntax.
1033         (*cfv4_extendqisi2): Fix destination predicate.
1034         * config/m68k/m68k-protos.h: Remove various declarations also
1035         generated via PREDICATE_CODES.
1037 2004-07-23  Mike Stump  <mrs@apple.com>
1039         * c-typeck.c (convert_for_assignment): Tightened up pointer
1040         converstions that differ in signedness.
1042 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
1044         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
1046 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1048         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
1049         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
1051         * gimplify.c (gimplify_compound_lval): Check for no handled
1052         operations, rather than checking for explicit list of nodes.
1053         (is_gimple_addr_expr_arg_or_indirect): New function.
1054         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
1055         redundant setting of TREE_INVARIANT.
1056         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
1057         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
1059 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
1061         PR tree-optimization/16688
1062         PR tree-optimization/16689
1063         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
1064         unnecessary initialization of 'tag'.
1065         (get_tmt_for): Check that the new type tag has the same alias
1066         set as the pointed-to type.
1067         (group_aliases): Only regular variables need to be removed
1068         from the alias set of a name tag.
1069         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
1070         propagation if the two types are not compatible.
1071         (merge_alias_info): Rename from replace_ssa_names_ann.
1072         Add more checking.
1073         (replace_exp_1): If both arguments are SSA_NAMEs, check that
1074         the propagation can be done.
1075         Only call merge_alias_info on pointers.
1076         (propagate_value): Likewise.
1077         * tree-ssa-copyrename.c: Include langhooks.h.
1078         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
1079         to do the merging.
1080         Do not coalesce variables with incompatible types.
1081         (rename_ssa_copies): Call replace_ssa_name_symbol.
1082         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
1083         the same type as the underlying _DECL.
1084         * tree-ssanames.c (replace_ssa_name_symbol): New function.
1085         * tree.h (replace_ssa_name_symbol): Declare.
1087 2004-07-23  Richard Henderson  <rth@redhat.com>
1089         PR c++/16277
1090         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
1091         unshare it properly.
1092         (gimplify_modify_expr_rhs): Push assignment from a conditional into
1093         the conditional for all non-register types.
1095 2004-07-23  Richard Henderson  <rth@redhat.com>
1097         * expr.c (expand_expr_real_1): Don't handle non-local variables.
1098         * expr.h (fix_lexical_addr): Remove.
1099         * function.c (NEED_SEPARATE_AP): Remove.
1100         (fix_lexical_addr): Remove.
1101         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
1102         not null decl_function_context.
1103         (create_alias_vars): Likewise.
1104         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
1105         (simple_goto_p): Likewise.
1106         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
1107         * tree-ssa-ccp.c (get_default_value): Likewise.
1108         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1109         * tree.c (needs_to_live_in_memory): Likewise.
1110         * tree-flow-inline.h (may_be_aliased): Move...
1111         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
1112         when TREE_STATIC variables may be addressable.
1114 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
1116         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
1118 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
1120         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
1121         bitmap contents if GENERATOR_FILE is defined.
1122         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
1123         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
1125 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
1127         * c-decl.c (start_function): Form composite type of function types
1128         rather than copying type from previous prototype declaration.
1130 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
1132         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
1133         the const qualifier for the second argument in the C++ functions.
1135         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
1136         specific pointer types.
1138         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
1139         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
1140         for vector bool and/or vector pixel, add C++ and C missing support.
1141         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
1142         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
1143         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
1144         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
1145         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
1146         missing C++ and C support for vector bool and/or vector pixel.
1147         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
1148         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
1149         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
1150         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
1151         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
1152         C++ and C types used for vector bool and/or vector pixel.
1153         (vec_st, vec_stl): Add C++ support for vector pixel.
1154         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
1155         (vec_all_ne): Add C++ support for vector pixel.
1157         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
1158         (vec_vmulesb): Add missing C++ function.
1159         (vec_perm): Fix type of third argument in C++ function.
1160         (vec_vsum4shs): Fix C++ function name.
1161         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
1162         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
1163         argument passed to the error handler in C macro.
1164         (vec_nmsub): Remove extra parens around argument names in C macro.
1165         (vec_packpx): Add missing parens in C macro.
1167 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1169         * machmode.def: Remove vector modes.
1170         * config/alpha/alpha-modes.def: Add supported vector modes.
1171         * config/arm/arm-modes.def: Likewise.
1172         * config/frv/frv-modes.def: Likewise.
1173         * config/i386/i386-modes.def: Likewise.
1174         * config/rs6000/rs6000-modes.def: Likewise.
1175         * config/sh/sh-modes.def: Likewise.
1177 2004-07-23  Matthias Klose  <doko@debian.org>
1179         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
1180         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
1181         * config.h: Regenerate.
1182         * configure: Likewise.
1184 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
1186         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
1187         generated SYMBOL_REFs for labels.
1188         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
1189         Change prototype.
1190         (machopic_stub_name): Remove.
1191         (machopic_indirection_name): New function.
1192         (machopic_mcount_stub_name): Likewise.
1193         (machopic_classify_name): Remove.
1194         (machopic_function_base_sym): New function.
1195         (machpoic_classify_symbol): Likewise.
1196         (machopic_classify_ident): Remove.
1197         (machopic_define_ident): Likewise.
1198         (machopic_define_name): Likewise.
1199         (machopic_name_defined_p): Likewise.
1200         (machopic_ident_defined_p): Likewise.
1201         (darwin_strip_name_encoding): Likewise.
1202         (machopic_define_symbol): New function.
1203         * config/darwin.c (hashtab.h): Include.
1204         (machopic_defined_list): Remove.
1205         (machopic_classify_ident): Likewise.
1206         (machopic_classify_name): Likewise.
1207         (machopic_ident_defined_p): Likewise.
1208         (machopic_define_ident): Likewise.
1209         (machopic_define_name): Likewise.
1210         (machopic_symbol_defined_p): New function.
1211         (machopic_classify_symbol): Likewise.
1212         (machopic_data_defined_p): Use machopic_classify_symbol.
1213         (machopic_define_symbol): New function.
1214         (machopic_function_base_sym): New function.
1215         (machopic_non_lazy_pointers): Remove.
1216         (machopic_non_lazy_ptr_name): Likewise.
1217         (machopic_stubs): Likewise.
1218         (machopic_stub_name): Likewise.
1219         (NON_LAZY_POINTER_SUFFIX): New macro.
1220         (STUB_SUFFIX): Likewise.
1221         (machopic_indirection): New structure.
1222         (machopic_indirections): New variable.
1223         (machopic_indirection_hash): New function.
1224         (machopic_indirection_eq): Likewise.
1225         (machopic_indirection_name): Likewise.
1226         (machopic_mcount_stub_name): New function.
1227         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
1228         hash table.
1229         (machopic_indirect_data_reference): Rework to use new functions.
1230         (machopic_indirect_call_target): Likewise.
1231         (machopic_legitimize_pic_address): Likewise.
1232         (machopic_output_indirection): New function.
1233         (machopic_finish): Use it.
1234         (machopic_operand_p): Rework to use new functions.
1235         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
1236         (darwin_strip_name_encoding): Remove.
1237         (update_non_lazy_ptrs): Remove.
1238         (update_stubs): Likewise.
1239         (darwin_non_lazy_pcrel): Use new functions.
1240         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1241         (ASM_OUTPUT_LABELREF): Likewise.
1242         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1243         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
1244         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
1245         (TARGET_STRIP_NAME_ENCODING): Do not use
1246         darwin_strip_name_encoding.
1247         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
1248         darwin_strip_name_encoding.
1249         * config/i386/darwin.h (FUNCTION_PROFILER): Use
1250         machopic_mcount_stub_name.
1251         * config/i386/i386.c (x86_output_mi_thunk): Use
1252         machopic_indirection_name, not machopic_stub_name.
1253         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
1254         machopic_function_base_sym.
1255         (print_operand): Use machopic_classify_symbol.
1256         (rs6000_emit_prologue): Use machopic_function_base_sym.
1257         (output_profile_hook): Do not use machopic_stub_name.
1258         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
1260 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1262         PR c/7284
1263         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
1264         as multiplication.
1266 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1268         * doc/implement-c.texi: New file.
1269         * doc/extend.texi (C Implementation): Move to there.
1270         * doc/gcc.texi: Include implement-c.texi.
1271         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
1273 2004-07-22  Jason Merrill  <jason@redhat.com>
1275         * integrate.c (copy_decl_for_inlining): Remove invisible reference
1276         handling.
1277         * tree-inline.c (setup_one_parameter): Likewise.
1279 2004-07-22  Brian Booth  <bbooth@redhat.com>
1281         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
1282         (substitute_and_fold): Propigate into VUSE operands when possible.
1283         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
1284         (cp_lattice_meet): Handle merging of latticevalues when
1285         UNKNOWN_VAL is present.
1286         (visit_stmt): Visit assignments with V_MUST_DEFs.
1287         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
1288         (ccp_fold): Deal with RHS' that are constant and virtual.
1289         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
1290         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
1291         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
1292         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
1293         computing immediate uses.
1294         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
1295         transition.
1296         (replace_vuse_in): New function.
1297         (likely_value): Add check of vuse operands.
1298         (get_default_value): Set the default value of virtually defined
1299         variables to UKNOWN_VAL instead of VARYING.
1301 2004-07-22  Richard Henderson  <rth@redhat.com>
1303         * expr.c (emit_push_insn): Don't use set_mem_attributes.
1305 2004-07-22  Richard Henderson  <rth@redhat.com>
1307         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
1308         variables due to conditional compilation.
1310 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1312         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
1313         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
1314         Release SSA names that have been re-renamed.
1315         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
1316         variable.
1317         * tree-ssa-alias.c (init_alias_info): If aliases have been
1318         computed before, clear existing alias information.
1319         (create_name_tags): Do no fixup PT_ANYTHING pointers.
1320         If the new name tag for a pointer is different than the one it
1321         had before, mark the old tag for renaming.
1322         (replace_may_alias): New function.
1323         (group_aliases): Call it.
1324         (setup_pointers_and_addressables): Always call get_tmt_for.
1325         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
1326         once.
1327         (set_pt_anything): New local function.
1328         (set_pt_malloc): New local function.
1329         (merge_pointed_to_info): Don't merge pointed-to variables from
1330         the original pointer if the destination is pointing to an
1331         unknown location.
1332         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
1333         (add_pointed_to_var): Do not add a variable to the points-to
1334         set if the pointer is already pointing to anywhere.
1335         (collect_points_to_info_r): If the defining statement is a PHI
1336         node, only merge pointed-to information if the argument has
1337         already been visited.
1338         (get_tmt_for): Only create a new tag if the pointer didn't
1339         have one already.
1340         (dump_alias_info): Emit more information.
1341         (dump_points_to_info_for): Likewise.
1342         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
1343         try to get the annotation of an SSA_NAME.
1344         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
1345         alias sets when checking is enabled.
1346         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
1347         (eliminate): Mark basic blocks that will need
1348         EH information cleaned up.
1349         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
1350         predecessor.
1351         Initialize need_eh_cleanup.
1352         (fini_pre): Call tree_purge_all_dead_eh_edges and
1353         cleanup_tree_cfg if needed.
1354         Free need_eh_cleanup.
1355         * tree-ssa.c (verify_ssa_name): New function.
1356         (verify_def): Call it.
1357         Re-arrange to avoid printing too many error messages.
1358         (verify_use): Likewise.
1359         (verify_phi_args): Likewise.
1360         (verify_flow_insensitive_alias_info): New function.
1361         (verify_flow_sensitive_alias_info): New function.
1362         (verify_alias_info): New function.
1363         (verify_ssa): Call verify_alias_info.
1364         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
1365         program.
1366         Re-arrange to avoid printing too many error messages.
1367         * tree-ssanames.c (make_ssa_name): Clear
1368         SSA_NAME_IN_FREE_LIST.
1369         (release_ssa_name): Never release a default definition.
1370         (release_defs): New function.
1371         * tree.h: Declare it.
1372         * tree-ssa-dce.c (remove_dead_stmt): Call it.
1374 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1376         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
1377         If true, do a depth-first search.  Do a breadht-first search,
1378         otherwise.
1379         (walk_use_def_chains): Add new argument IS_DFS.
1380         Update all users.
1381         * tree-flow.h (walk_use_def_chains): Update prototype.
1383 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
1385         * config/cris/cris.md: Tweak formatting.
1386         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
1387         (mover2side, moverside, movemside, movei, op3, andu): Replace
1388         live define_peephole:s with define_peephole2 near-equivalents.
1389         Delete the rest.
1390         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
1391         word-size modes.
1392         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
1393         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
1394         "*mov_sidesi_mem" respectively.
1396 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1398         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
1399         (gimplify_build1): Move from tree-complex.c do_unop.
1400         (gimplify_build2): Move from tree-complex.c do_binop.
1401         (gimplify_build3): New.
1402         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
1403         Adjust throughout to call the functions above.
1404         * tree-flow.h: Declare the functions above.
1405         * tree-nested.c (gimplify_val): Rename to...
1406         (tsi_gimplify_val): ... this.
1408         * Makefile.in (tree_complex.o): Update dependencies.
1409         (stor-layout.o): Depend on regs.h.
1410         * c-common.c (handle_vector_size_attribute): Update for
1411         vector types without corresponding vector modes.
1412         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
1413         a corresponding vector mode is not available.
1414         * print-tree.c (print_node): Print nunits for vector types
1415         * regclass.c (have_regs_of_mode): New.
1416         (init_reg_sets_1): Initialize it and use it instead
1417         of allocatable_regs_of_mode.
1418         * regs.h (have_regs_of_mode): Declare it.
1419         * stor-layout.c (layout_type): Pick a mode for vector types.
1420         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
1421         build_replicated_const, do_unop, do_binop, do_plus_minus,
1422         do_negate, expand_vector_piecewise, expand_vector_parallel,
1423         expand_vector_addition, expand_vector_operations_1,
1424         expand_vector_operations, tree_lower_operations,
1425         pass_lower_vector_ssa, pass_pre_expand): New.
1426         (expand_complex_operations, pass_lower_complex): Remove.
1427         * tree-optimize.c (init_tree_optimization_passes): Adjust
1428         pass ordering for changes in tree-complex.c.
1429         * tree-pass.h: Declare new passes.
1430         * tree.c (finish_vector_type): Remove.
1431         (make_vector_type): New.
1432         (build_vector_type_for_mode, build_vector_type): Rewritten.
1433         * tree.def (VECTOR_TYPE): Document where the number of
1434         subparts is stored.
1435         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
1436         (make_vector): Remove declaration.
1438 2004-07-21  Richard Henderson  <rth@redhat.com>
1440         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
1441         TREE_THIS_VOLATILE, may_aliases, or optimization level.
1442         (remove_useless_vars): Dump debugging info.
1443         (expand_used_vars): Move ...
1444         * cfgexpand.c (expand_used_vars): ... here.  Make static.
1445         * tree-flow-inline.h (set_is_used): New.
1446         (set_default_def): Use get_var_ann.
1447         * tree-flow.h: Update decls.
1448         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
1449         (create_ssa_var_map): Use it.
1450         * tree-ssa.c (set_is_used): Remove.
1452 2004-07-22  Ben Elliston  <bje@au.ibm.com>
1454         * gdbinit.in: Set a breakpoint on internal_error.
1456 2004-07-21  Richard Henderson  <rth@redhat.com>
1458         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
1459         to create a new basic block.
1461 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1463         PR c/15052
1464         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
1465         return type on function definitions.  Move other warnings for
1466         qualified return type to -Wreturn-type.  Do not condition any such
1467         warnings on -pedantic.  Update comments.
1468         (start_function): Only copy function type from previous prototype
1469         declaration if return types are compatible.
1470         * c-typeck.c (function_types_compatible_p): Don't condition
1471         warning for incompatibility of volatile qualifiers on the return
1472         type on -pedantic.  Update comment.
1473         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
1475 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1477         * c-typeck.c (set_init_index): Require designator to be of integer
1478         type.
1480 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1482         PR c/11250
1483         * c-parse.in (init): Change to exprtype.
1484         (primary): Set original_code for STRING to STRING_CST.
1485         Call maybe_warn_string_init for compound literals.
1486         (initdcl, notype_initdcl): Call maybe_warn_string_init.
1487         (initval): Update.
1488         * c-tree.h (maybe_warn_string_init): New.
1489         (pop_init_level, process_init_element): Use struct c_expr.
1490         (struct c_expr): Update comment.
1491         * c-typeck.c (maybe_warn_string_init): New function.
1492         (digest_init): Call it.  Additional parameter strict_string.  All
1493         callers changed.
1494         (output_init_element): Likewise.
1495         (struct constructor_stack): Use struct c_expr for
1496         replacement_value.
1497         (really_start_incremental_init, push_init_level): Update.
1498         (pop_init_level): Update.  Return struct c_expr.
1499         (process_init_level): Update.  Take struct c_expr argument.
1501 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
1503         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
1504         commit.
1506 2004-07-21  Eric Christopher  <echristo@redhat.com>
1508         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
1509         removal.
1510         * c-decl.c (pop_scope): Ditto.
1511         * calls.c (expand_call): Remove call to current_nesting_level,
1512         update comment accordingly. Remove calls to expand_start_target_temps
1513         and expand_end_target_temps.
1514         * cfgexpand.c (construct_init_block): Remove call to
1515         expand_start_bindings_and_block.
1516         (construct_exit_block): Remove call to expand_end_bindings.
1517         * expr.c (safe_from_p): Remove BIND_EXPR handling.
1518         (expand_expr_real_1): Ditto. Fix formatting.
1519         (expand_vars): Delete.
1520         * stmt.c (POPSTACK): Remove block_stack.
1521         (stmt_status): Remove x_block_stack.
1522         (block_stack): Delete.
1523         (expand_start_bindings_and_block): Ditto.
1524         (expand_start_target_temps): Ditto.
1525         (expand_end_target_temps): Ditto.
1526         (current_nesting_level): Ditto.
1527         (warn_about_unused_variables): Ditto.
1528         (expand_end_bindings): Ditto.
1529         * tree.h: Remove declarations for above.
1531 2004-07-21  Steven Bosscher  <stevenb@suse.de>
1533         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
1534         * rtl.c (note_insn_name): Likewise.
1535         * print-rtl.c (print_rtx): Don't print it.
1536         * cfgrtl.h (can_delete_note_p): Don't handle it.
1537         (rtl_delete_block): Likewise.
1538         * passes.c (rest_of_handle_guess_branch_prob): Remove.
1539         (rest_of_compilation): Don't call it.
1540         * predict.c (process_note_predictions, process_note_prediction,
1541         note_prediction_to_br_prob): Remove.
1542         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
1543         * stmt.c (return_prediction): Remove.
1544         (expand_value_return): Don't call it.  Don't add prediction
1545         notes for return statements.
1547 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
1549         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
1550         once.
1552 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
1554         * c-common.c (vector_types_convertible_p): Use vector types'
1555         TYPE_SIZE and TREE_TYPE instead of their mode.
1556         * convert.c (convert_to_integer): Likewise.
1557         (convert_to_vector): Likewise.
1558         * fold-const.c (fold_convert): Likewise.
1559         * varasm.c (output_constant): Likewise.
1560         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
1561         Allow a VECTOR_TYPE initializer to be made of several vectors.
1562         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
1563         of cleared and need_to_clear, and use fold_convert.
1564         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
1565         integer vectors.
1567 2004-07-20  Richard Henderson  <rth@redhat.com>
1569         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
1570         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
1572 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
1574         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
1575         enormous cost if not TARGET_HARD_MUL.
1577 2004-07-20  Andrew Pinski  <apinski@apple.com>
1579         PR target/16557
1580         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
1581         (ASM_SPEC): here.
1583 2004-07-21  Paul brook  <paul@codesourcery.com>
1585         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
1587 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1589         * fold-const.c (operand_equal_p): Temporarily support NULL args.
1590         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
1591         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
1593 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
1595         * rtl.h (plus_constant): Delete.
1596         (plus_constant_wide): Rename to plus_constant.
1597         (plus_constant_for_output_wide): Delete vestigial prototype.
1598         (GEN_INT): Remove unnecessary cast.
1599         * tree.h (build_int_2, size_int_type): Delete.
1600         (build_int_2_wide): Rename to build_int_2.
1601         (size_int_wide): Rename to size_int_kind.
1602         (size_int_type_wide): Rename to size_int_type.
1603         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
1604         Remove unnecessary cast.
1605         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
1606         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
1607         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
1608         (size_int_type_wide): Rename size_int_type.
1609         (int_const_binop): Use size_int_type.
1610         * c-lex.c (interpret_integer): Use build_int_2.
1611         * final.c (split_double): Remove unnecessary casts.
1612         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
1614 2004-07-20  Richard Henderson  <rth@redhat.com>
1616         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
1617         (gimplify_compound_lval): Use is_gimple_tmp_reg.
1618         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
1619         (is_gimple_tmp_reg): New.
1620         * tree-gimple.h (is_gimple_tmp_reg): Declare.
1622 2004-07-20  Richard Henderson  <rth@redhat.com>
1624         * tree-pretty-print.c (dump_generic_node): Dump
1625         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
1627 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
1629         * tree-mudflap.c (mf_set_options_fndecl): New tree.
1630         (mudflap_init): Set it.
1631         (mudflap_register_call): Remove __mf_init call.
1632         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
1633         to pass "-ignore-reads" option to libmudflap if needed.
1635 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
1637         PR c++/14607
1638         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
1639         (MAKE_DECL_ONE_ONLY): Undefine.
1640         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
1641         readonly_data, one_only_data_section, forget_section): New prototypes.
1642         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
1643         functions.
1644         (pa_select_section): Add one-only (COMDAT) support.
1645         * pa.h (struct machine_function): Define.
1646         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
1647         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
1648         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1649         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1650         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
1651         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
1652         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
1653         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1654         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
1655         for EXTRA_SECTION_FUNCTIONS.
1656         * doc/install.texi: Update binutils requirements.
1658 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1660         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
1661         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
1662         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
1663         size_t.
1664         (struct VEC): Use unsigned for num and alloc.
1665         * vec.c (struct vec_prefix): Likewise.
1666         (vec_o_reserve): Adjust.
1668         * dbxout.c (dbxout_type): Fix printf format.
1670         * tree.h (binfo_member): Remove.
1671         * tree.c (binfo_member): Remove.
1673 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1675         * tree.h: Include vec.h
1676         (DEF_VEC_P(tree)): New type.
1677         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
1678         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
1679         (BINFO_LANG_SLOT): Remove.
1680         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
1681         (struct tree_binfo): Turn base_binfos into a trailing
1682         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
1683         (binfo_lang_slots): Remove.
1684         * tree.c (binfo_lang_slots): Remove.
1685         (make_tree_binfo_stat): Take a base binfo count, not a
1686         lang slot count.  Adjust.
1687         * Makefile.in (TREE_H): Add vec.h
1688         * alias.c (record_component_aliases): Adjust BINFO access.
1689         * dbxout.c (dbxout_type): Likewise.
1690         * dwarf2out.c (gen_member_die): Likewise.
1691         * sdbout.c (sdbout_one_type): Likewise.
1692         * tree-dump.c (deque_and_dump): Likewise.
1693         * config/i386/i386.c (classify_argument,
1694         contains_128bit_aligned_vector_p): Likewise.
1695         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
1696         * doc/c-tree.texi (Classes): Update BINFO documentation.
1698 2004-07-20  Steven Bosscher  <stevenb@suse.de>
1700         * c-common.h (check_case_value): Remove prototype.
1701         (c_add_case_label): Adjust prototype.
1702         * c-common.c (check_case_value): Make static.
1703         (check_case_bounds): New function.
1704         (c_add_case_label): Use it.  Take new argument orig_type.
1705         * c-typeck.c (struct c_switch): New orig_type field.
1706         (c_start_case): Set it.
1707         (do_case): Pass it to c_add_case_label.
1708         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
1709         cases from here.  Add the labels in reverse order.
1710         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
1711         (add_case_node): Return nothing, don't check for duplicate cases.
1712         Insert new case nodes in a list, not in an AVL tree.
1713         (expand_end_case_type): Don't turn a case tree into a case list.
1714         (case_tree2list): Remove.
1715         * tree.h (add_case_node): Adjust prototype.
1717 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
1719         * genattr.c (struct range, struct function_unit,
1720         write_units, extend_range, init_range): Remove them.
1721         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1722         Output "#define INSN_SCHEDULING" here.
1723         * genattrtab.c (struct range, struct function_unit_op,
1724         struct function_unit, struct dimension, enum operator,
1725         operate_exp, expand_units, simplify_knowing,
1726         encode_units_mask, simplify_by_exploding,
1727         find_and_mark_used_attributes, unmark_used_attributes,
1728         add_values_to_cover, increment_current_value,
1729         test_for_current_value, simplify_with_current_value,
1730         simplify_with_current_value_aux, gen_unit,
1731         write_unit_name, write_function_unit_info,
1732         write_complex_function, write_toplevel_expr,
1733         find_single_value, extend_range): Remove.
1734         (write_attr_get): Do not handle common_av->value
1735         being an FFS.
1736         (struct attr_desc): Remove func_units_p and blockage_p.
1737         (write_attr_valueq): Do not handle them.
1738         (find_attr): Do not clear them.
1739         (make_internal_attr): Do not initialize them.
1740         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1741         * sched-vis.c (init_target_units, insn_print_units,
1742         init_block_visualization, print_block_visualization,
1743         visualize_scheduled_insns, visualize_no_unit,
1744         visualize_stall_cycles, visualize_alloc,
1745         visualize_free, target_units, get_visual_tbl_length,
1746         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
1747         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
1748         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
1749         * haifa-sched.c (blockage_range, clear_units,
1750         schedule_unit, actual_hazard, potential_hazard,
1751         insn_unit, unit_last_insn, unit_tick,
1752         actual_hazard_this_instance, potential_hazard,
1753         schedule_unit, max_insn_queue_index_value): Remove.
1754         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
1755         max_insn_queue_index.
1756         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
1757         * doc/md.texi (Processor pipeline description): Remove
1758         references to old pipeline descriptions.
1759         (Automaton pipeline description): Merge with the above.
1760         (Old pipeline description, Comparison of the two descriptions):
1761         Remove.
1763         * bt-load.c (migrate_btr_def): Remove references to
1764         use_pipeline_interface.
1765         * haifa-sched.c (insn_cost, schedule_insn,
1766         schedule_block, advance_one_cycle, sched_init,
1767         queue_to_ready, sched_finish): Likewise.
1768         * modulo-sched.c (sms_schedule, advance_one_cycle,
1769         ps_has_conflicts): Likewise.
1770         * sched-rgn.c (init_ready): Likewise.
1771         (debug_dependencies): Likewise, and remove an "if (1)".
1772         * target.h (use_dfa_pipeline_interface): Remove.
1773         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1774         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1775         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1776         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1777         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1778         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1779         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1780         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1781         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1782         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1783         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1784         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1785         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1786         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1787         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1788         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1789         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1790         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1791         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1793 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1795         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
1797 2004-07-19  Jeff Law  <law@redhat.com>
1799         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
1800         (get_eq_expr_value): Use it.  Simplify slightly.
1802 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
1804         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
1805         (umulsidi3_32bit_r4000): Likewise.
1807 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
1809         * vec.h: Propagate location information properly.
1810         (VEC_T_iterate): Add result pointer parameter.
1811         (VEC_T_space): New.
1812         (VEC_T_reserve): Use it.
1814 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
1816         * Makefile.in (c-format.o): Depend on c-format.h.
1817         * c-format.h: New file.
1818         (struct format_char_info): Add CHAIN member.
1819         * c-format.c: Move some types and constants to c-format.h.
1820         (format_type_error): Set to -1.
1821         (struct function_format_info): Use an int for format_type.
1822         (decode_format_type): Return an int.  Return format_type_error
1823         on error.
1824         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
1825         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
1826         (scan_char_table, time_char_table, monetary_char_table): Initialize
1827         CHAIN to NULL.
1828         (n_format_types): New variable.
1829         (check_format_info_main): Handle CHAIN in format_char_info.
1830         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
1831         TARGET_N_FORMAT_TYPES.
1832         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
1833         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
1834         * config/sol2-c.c: New file.
1835         * config/t-sol2: New file.
1836         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
1837         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
1838         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
1840         * doc/extend.texi (Target Format Checks): New section.
1841         (Function Attributes): Mention it.
1842         * doc/invoke.texi: Mention target format checks.
1843         * doc/sourcebuild.texi: Mention target format checks.
1844         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
1845         TARGET_FORMAT_TYPES.
1847 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1849         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
1850         added.
1851         * config/s390/s390.c (regclass_map initializer): Register 35 added to
1852         ADDR_REGS.
1853         (load_multiple_operation, store_multiple_operation): Removed
1854         pointless sanity check.
1855         (s390_decompose_address): Added check for return_address_pointer_rtx.
1856         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
1857         (s390_return_address_offset): New function.
1858         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
1859         (FRAME_REGNO_P): Added check for register 35.
1860         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
1861         REG_ALLOC_ORDER): Appended entry for register 35.
1862         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
1863         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
1864         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
1865         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
1866         is eliminable using stack pointer or hard frame pointer.
1867         (REGISTER_NAMES): Added name for register 35.
1868         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
1869         pointless sanity check.
1871 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1873         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
1874         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
1875         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
1876         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
1877         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
1878         (fold_relational_const): Tidy up handling of floating point
1879         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
1880         transformation; fold_relational_const assumes constant operands.
1882 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
1884         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
1885         directory.
1887 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
1889         * c-tree.h (struct c_expr): Define.
1890         (C_SET_EXP_ORIGINAL_CODE): Remove.
1891         (parser_build_binary_op, build_compound_expr): Update prototypes.
1892         * c-parse.in (%union): Add exprtype.
1893         (FUNC_NAME): Mark as ttype.
1894         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
1895         exprtype.
1896         (expr): Update.  Define directly in terms of expr_no_commas
1897         instead of using nonnull_exprlist.
1898         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
1899         offsetof_member_designator, typespec_nonreserved_nonattr, init,
1900         initval, designator, component_declarator,
1901         component_notype_declarator, enumerator, array_declarator,
1902         condition, exexpr, switch_statement, stmt_nocomp, stmt,
1903         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
1904         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
1905         where appropriate.
1906         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
1907         * c-common.c (c_common_truthvalue_conversion): Don't check
1908         C_EXP_ORIGINAL_CODE.
1909         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
1910         Don't use C_EXP_ORIGINAL_CODE.
1911         (default_conversion, default_function_array_conversion): Don't use
1912         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
1913         (internal_build_compound_expr): Merge into build_compound_expr.
1914         (build_compound_expr): Take two operands instead of a TREE_LIST.
1915         * objc/objc-act.c (get_super_receiver): Update calls to
1916         build_compound_expr.
1918 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1920         * config/sh/sh.c (sh_use_dfa_interface): Remove.
1921         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
1922         hook_int_void_1.
1923         * config/sh/sh.md: Extract pipeline descriptions
1924         into separate files.
1925         * config/sh/sh1.md: New file, extracted from sh.md.
1926         * config/sh/sh4.md: New file, extracted from sh.md.
1927         * config/sh/shmedia.md: New file, extracted from sh.md
1928         and rewritten using new-style pipeline description.
1930 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
1932         * config/pa/pa.md: Delete the two remaining define_peephole
1933         patterns.
1935 2004-07-18  Steven Bosscher  <stevenb@suse.de>
1936             Joseph S. Myers  <jsm@polyomino.org.uk>
1938         * c-common.c (c_common_truthvalue_conversion): Don't warn if
1939         TREE_NO_WARNING is set.
1941 2004-07-18  Roger Sayle  <roger@eyesopen.com>
1943         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
1944         simplify_builtin_strncmp): Delete.
1945         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
1946         Change argument to accept an arglist instead of an "exp".  Assume
1947         that the return type is always integer_type_node.  Copy missing
1948         transformations from their now obsolete simplify_builtin_*
1949         equivalents.
1950         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
1951         fold_builtin_strcmp and fold_builtin_strncmp.
1952         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
1953         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
1954         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
1956 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
1958         * Makefile.in (tree-alias-common.o): Update dependencies.
1960 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
1962         * cfgloop.c (flow_loop_nested_p): Fix comment.
1964 2004-07-17  Jason Merrill  <jason@redhat.com>
1966         PR c++/16115
1967         * stor-layout.c (relayout_decl): New fn.
1968         * tree.h: Declare it.
1969         (DECL_BY_REFERENCE): New macro.
1971 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
1973         * libgcc2.c (__enable_execute_stack): New symbol.
1974         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
1975         and declare __enable_execute_stack.
1976         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
1977         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
1978         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1979         ENABLE_EXECUTE_STACK.
1980         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
1981         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1982         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1983         ENABLE_EXECUTE_STACK.
1984         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1985         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
1986         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1987         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1988         ENABLE_EXECUTE_STACK.
1989         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1990         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1991         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1992         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1993         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
1994         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1995         (sparc64_initialize_trampoline): Likewise.
1996         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
1998 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2000         * langhooks.h (builtin_function): New langhook.
2001         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
2002         (LANG_HOOKS_INITIALIZER): Update.
2003         * tree.h (builtin_function): Remove.
2004         * doc/tm.texi: Update.
2005         * c-tree.h (builtin_function): Declare.
2006         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
2007         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
2008         config/ia64/ia64.c, config/iq2000/iq2000.c,
2009         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
2010         config/stormy16/stormy16.c: All callers of builtin_function
2011         changed.
2013 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
2015         PR target/16556
2016         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
2017         Remove white space after the backslash.
2019 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2021         PR rtl-optimization/16294
2022         * resource.c (return_insn_p): New predicate.
2023         (mark_target_live_regs): Use it.  Special-case return insns.
2024         (init_resource_info): Use it.  Don't scan the epilogue past
2025         a return.
2027 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2029         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
2030         destroy dominance information.
2031         * passes.c (rest_of_handle_loop2):  Free dominance information.
2032         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
2033         jump threading.
2034         (thread_jumps): Update dominance information and remove unreachable
2035         blocks.
2036         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
2037         information and remove the unreachable block.
2039 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
2041         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
2043 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
2045         * doc/sourcebuild.texi: Remove libf2c entry.
2047 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
2049         * config/i386/i386.md (movv16qi_internal): Fix typo.
2051 2004-07-17  Steven Bosscher  <stevenb@suse.de>
2053         * final.c (final_scan_insn): Fix broken commit from previous
2054         patch.
2056 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2058         * c-typeck.c (parser_build_binary_op): Condition warnings for
2059         X<=Y<=Z on -Wparentheses instead of -Wextra.
2060         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
2061         supported for C only.
2063 2004-07-17  Steven Bosscher  <stevenb@suse.de>
2065         * cfgcleanup.c (try_simplify_condjump): Don't remove line
2066         notes to avoid unreachable code warnings.
2067         * toplev.c (backend_init): Don't emit line notes for
2068         unreachable code warnings.
2070         * combine.c (distribute_notes): Don't distribute a
2071         REG_VTABLE_REF note.
2072         * final.c (final_scan_insn): Don't handle it.
2073         * rtl.c (reg_note_name): Remove it.
2074         * rtl.h (enum reg_node): Dito.
2076         * emit-rtl.c (force_line_numbers, restore_line_number_status):
2077         Remove.
2078         * rtl.h (force_line_numbers, restore_line_number_status):
2079         Remove prototypes.
2081         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
2082         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
2083         (using_eh_for_cleanups): Also moved here.
2085         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
2086         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
2087         to expand_start_case and add_case_node.
2088         * stmt.c (struct nesting): Cleanup unused fields condition_code,
2089         last_unconditional_cleanup, nominal_type, printname, and
2090         line_number_status.
2091         (struct fixup_goto): Remove.
2092         (struct stmt_status): Remove x_goto_fixup_chain field.
2093         (goto_fixup_chain): Remove.
2094         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
2095         pushcase, pushcase_range): Remove.
2096         (expand_start_bindings_and_block): Don't set unused fields in
2097         the nesting stack.
2098         (expand_start_case, add_case_node): Cleanup unused formal arguments.
2099         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
2100         instead of emit_jump_if_reachable.
2101         (emit_case_nodes): Likewise.
2102         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
2103         static.
2104         (update_eh_label): Work around left-over exception handing regions.
2105         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
2106         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
2107         (pass_cleanup_cfg_post_optimizing): New pass.
2108         (init_tree_optimization_passes): Run the new pass after all
2109         optimizations.
2110         * tree.h (pushcase, pushcase_range): Remove prototypes.
2111         (expand_start_case, add_case_node): Update prototypes.
2113 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
2115         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
2117 2004-07-16  Richard Henderson  <rth@redhat.com>
2119         * builtins.c (std_expand_builtin_va_arg): Remove.
2120         (expand_builtin_va_arg): Remove.
2121         * expr.h: Don't declare them.
2122         * gimplify.c (mark_decls_volatile_r): Remove.
2123         (copy_if_shared_r): Don't call it.
2124         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
2125         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
2126         * gimple-low.c (lower_stmt): Likewise.
2127         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
2128         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
2129         * tree-ssa-operands.c (get_expr_operands): Likewise.
2130         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
2131         EXPAND_BUILTIN_VA_ARG.
2132         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
2133         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
2134         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
2135         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2137 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2139         * tree-ssa-pre.c (insert_aux): Break out if we hit
2140         a critical edge.
2142 2004-07-16  Richard Henderson  <rth@redhat.com>
2144         * basic-block.h (remove_fake_exit_edges): Declare.
2145         * cfganal.c (remove_fake_predecessors): Rename from
2146         remove_fake_successors; iterate over predecessors.
2147         (remove_fake_exit_edges): New.
2148         * cfgcleanup.c (try_optimize_cfg): Use it.
2149         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
2150         * predict.c (estimate_probability): Likewise.
2151         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
2152         * tree-cfg.c (make_edges): Likewise.
2153         * tree-ssa-pre.c (fini_pre): Likewise.
2154         * profile.c (instrument_edges): Don't remove_fake_edges.
2155         (branch_prob): Do it earlier here.
2157 2004-07-16  Richard Henderson  <rth@redhat.com>
2159         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
2160         switchification wrt CONSTRUCTOR.  Document the reason.
2162 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
2164         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
2165         that prevented descriptive __mf_check source location strings.
2167 2004-07-16  Richard Henderson  <rth@redhat.com>
2169         * tree-def (WITH_SIZE_EXPR): New.
2170         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
2171         * expr.c (expand_expr_real_1): Likewise.
2172         * gimplify.c (maybe_with_size_expr): New.
2173         (gimplify_arg, gimplify_modify_expr): Use it.
2174         (gimplify_modify_expr_to_memcpy): Take size parameter.
2175         (gimplify_modify_expr_to_memset): Likewise.
2176         (gimplify_expr): Handle WITH_SIZE_EXPR.
2177         * tree-alias-common.c (find_func_aliases): Likewise.
2178         * tree-eh.c (tree_could_trap_p): Likewise.
2179         (tree_could_throw_p): Likewise.
2180         * tree-gimple.c (is_gimple_lvalue): Likewise.
2181         (get_call_expr_in): Likewise.
2182         * tree-inline.c (estimate_num_insns_1): Likewise.
2183         (expand_calls_inline): Likewise.
2184         * tree-nested.c (convert_call_expr): Likewise.
2185         * tree-pretty-print.c (dump_generic_node): Likewise.
2186         * tree-sra.c (sra_walk_expr): Likewise.
2187         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2188         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
2189         * tree-ssa-operands.c (get_expr_operands): Likewise.
2190         * tree-tailcall.c (find_tail_calls): Likewise.
2192         * calls.c (expand_call): Reset old_stack_allocated after
2193         calling emit_stack_restore.
2195 2004-07-16  Richard Henderson  <rth@redhat.com>
2197         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
2198         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2199         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2200         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
2201         copy_res_decl_for_inlining.
2203         * tree-inline.c (declare_return_variable): New modify_dest argument.
2204         Use it as the return value, when possible or manditory.  Handle
2205         TREE_ADDRESSABLE types.
2206         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
2207         replacement of CALL_EXPR.
2209 2004-07-16  Richard Henderson  <rth@redhat.com>
2211         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
2212         * gimple-low.c (expand_var_p): Don't check it.
2213         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
2214         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
2215         * tree-ssa-operands.c (add_stmt_operand): Likewise.
2216         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
2217         (find_referenced_vars): Don't call them.
2218         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
2220 2004-07-16  Richard Henderson  <rth@redhat.com>
2222         * function.c (pass_by_reference): True for all variable sized types.
2224 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
2226         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
2227         * tree-pretty-print.c: Include tree-chrec.h.
2228         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
2229         and POLYNOMIAL_CHREC nodes.
2231 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
2233         * builtins.c (expand_builtin_stpcpy): Do not create temporary
2234         reg with VOIDmode.
2236 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2238         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
2240 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2242         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
2243         to BASE_REGNUM.
2244         * config/s390/s390.c: Likewise.
2245         * config/s390/s390.h: Likewise.
2247 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2249         * config/mips/mips.md (addsi3, adddi3): Remove special handling
2250         of $sp adds.  Remove REGNO checks from mips16 patterns.
2252 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2254         * config/mips/mips.md: Delete outdated comment.
2256 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2258         * config/mips/mips.c (get_float_compare_codes): Delete.
2259         (mips_emit_compare): New function, mostly extracted from
2260         get_float_compare_codes and gen_conditional_branch.
2261         (gen_conditional_branch, gen_conditional_move): Use it.
2263 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2265         * genautomata.c (add_vect): Speedup by using integers as
2266         bit-vectors for walking through the comb_vect and finding
2267         a match.
2269 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2271         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
2272         operand is an uns_arith_operand; use subtraction otherwise.
2273         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
2274         not just arith_operands.
2276 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2278         * config/mips/mips-protos.h (gen_int_relational): Delete.
2279         (mips_emit_scc): Declare.
2280         * config/mips/mips.c (internal_test): Delete.
2281         (sle_operand, sleu_operand): New functions.
2282         (map_test_to_internal_test, gen_int_relational): Delete.
2283         (mips_emit_binary, mips_relational_operand_ok_p)
2284         (mips_emit_int_relational, mips_zero_if_equal)
2285         (mips_emit_scc): New functions.
2286         (gen_conditional_branch): Rework to use mips_emit_int_relational.
2287         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
2288         sleu_operand.
2289         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2290         (sltu, sleu): Use mips_emit_scc.
2291         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
2292         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
2293         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
2295 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2297         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
2299 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2301         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
2302         (*sne_[sd]i): Likewise sne_[sd]i_zero.
2303         (*sgt_[sd]i): ...and sgt_[sd]i.
2304         (*slt_[sd]i): ...and slt_[sd]i.
2305         (*sgtu_[sd]i): ...and sgtu_[sd]i.
2306         (*sltu_[sd]i): ...and sltu_[sd]i.
2307         (*sleu_[sd]i): ...and sleu_[sd]i_const.
2308         Name previously unnamed mips16 patterns.  Formatting fixes.
2310 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2312         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
2313         (branch_type): Delete.
2314         (gen_conditional_branch, gen_conditional_move)
2315         (mips_gen_conditional_trap): Update after name change.  Get the
2316         comparison mode from cmp_operands[0].
2317         * config/mips/mips.h (cmp_type, branch_type): Delete.
2318         (cmp_operands): Renamed from branch_cmp.
2319         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
2320         name change.  Don't set branch_type.
2321         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
2322         mode class of cmp_operands[0] rather than branch_type.  Update after
2323         name change.
2325 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2327         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
2328         of 0...255 to 0 when inside a SET.
2330 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2332         * config/mips/mips.md: Remove mips16 define_peepholes.
2334 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2336         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
2337         (fini_pre): Remove fake edges.
2339 2004-07-15  Richard Henderson  <rth@redhat.com>
2341         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
2342         (get_indirect_ref_operands, get_call_expr_operands): ... these.
2344 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2346         * vec.h (VEC_address): New function.
2348 2004-07-14  Jason Merrill  <jason@redhat.com>
2350         PR middle-end/15885
2351         * gimplify.c (gimplify_arg): New fn, split out from...
2352         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
2354 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2356         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
2357         generate code which is generated by pushqi1 now
2358         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
2360 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2362         * combine.c (simplify_set): match the mode of the constant 0 with
2363         the tested operand to match the compare behaviour and the
2364         simplify_relational_operation() expectation.
2366 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2368         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
2369         ("bordered"): Same.
2371 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2373         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
2374         unconditionally.
2375         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
2377 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2379         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
2380         calls in mips16 code.
2382 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2384         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
2385         the destination of the li as well as for the neg.
2387 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
2389         g++/15861
2390         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
2391         * cgraph.h: Update declaration.
2392         * c-decl.c (build_cdtor): Update call with default priority.
2393         * coverage.c (create_coverage): Ditto.
2394         * tree-mudflap.c (mf_init_fndecl): New tree.
2395         (mudflap_init): Set it.
2396         (mudflap_register_call): Arrange to call __mf_init before the first
2397         __mf_register call.
2398         (mudflap_finish_file): Mark the mudflap static initializer as extra
2399         high priority, to beat all C++ static constructors.
2401 2004-07-15  Jeff Law  <law@redhat.com>
2403         * loop.c (check_insn_for_givs): Restore check for code labels that was
2404         accidentally deleted by a recent checkin.
2406 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2408         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
2409         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
2411 2004-07-14  Richard Henderson  <rth@redhat.com>
2413         * print-tree.c (print_node): Fix casts last change.
2415 2004-07-15  Paul Brook  <paul@codesourcery.com>
2417         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
2418         to TARGET_UNWIND_INFO.
2419         * except.c (output_function_exception_table): Ditto.
2420         * except.h: Ditto.
2421         * opts.c (decode_options): Ditto.
2422         * passes.c (rest_of_handle_final): Ditto.
2423         * final.c (final_start_function): Ditto.
2424         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
2425         target hook.
2426         * targhooks.h (default_unwind_emit): Declare.
2427         * targhooks.c (default_unwind_emit): New function.
2428         * target-def.h: Define and use TARGET_UNWIND_EMIT.
2429         * target.h (struct gcc_target): Add unwind_emit.
2430         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
2431         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
2432         Remove IA64_UNWIND_EMIT.
2433         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
2435 2004-07-14  Richard Henderson  <rth@redhat.com>
2437         * print-tree.c (print_node): Handle SSA_NAME.
2439 2004-07-14  James E Wilson  <wilson@specifixinc.com>
2441         PR target/16325
2442         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
2443         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
2445 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
2447         * expr.c (expand_assignment): Reenable bitfield += optimizations.
2448         Use alias set 0 for memory, do proper mode calculations and adjust
2449         address for memories.
2451 2004-07-14  Per Bothner  <per@bothner.com>
2453         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
2454         structure with extra column field.
2455         * tree.c (expand_location):  Also fill in column field.
2456         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
2457         gets confused by the two conditionally-compiled definitions.
2459 2004-07-14  Eric Christopher  <echristo@redhat.com>
2461         * calls.c (expand_call): Fix typo in comment.
2463 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
2465         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
2466         comparision of TFmode.
2468 2004-07-14  Richard Henderson  <rth@redhat.com>
2470         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
2471         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
2472         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
2473         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2474         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2475         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2476         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2477         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2478         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2480 2004-07-14  Mike Stump  <mrs@apple.com>
2482         * config/darwin.h (WINT_TYPE): Define to be int to match
2483         system header files.
2485 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
2487         * config/xtensa/xtensa.c (function_arg_advance): Check for args
2488         that must be passed in the stack.
2489         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
2490         arguments if the size is not a constant.
2492 2004-07-14  Per Bothner  <per@bothner.com>
2494         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
2495         instead of EXPR_LOCUS in a boolean context, which is always true
2496         if --enable-mapped-location.
2497         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
2499 2004-07-14  Richard Henderson  <rth@redhat.com>
2501         * dominance.c (struct dom_info): Add fake_exit_edge.
2502         (init_dom_info): Allocate it.
2503         (free_dom_info): Free it.
2504         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
2505         in two passes.
2506         (calc_idoms): Honor fake_exit_edge.
2508 2004-07-13  Jason Merrill  <jason@redhat.com>
2510         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
2511         (rhs_test_for): New fn.
2512         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
2513         * tree-gimple.h: Declare them.
2514         * gimplify.c (gimplify_modify_expr): Use the new fns.
2516 2004-07-14  Richard Henderson  <rth@redhat.com>
2518         * config/arm/arm-protos.h (arm_va_arg): Remove.
2519         * config/arm/arm.c (arm_va_arg): Remove.
2520         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
2521         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
2523 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2525         * pa.c (fix_range): New function to mark a range(s) of registers as
2526         fixed registers.
2527         (override_options): Call fix_range if the -mfixed-range option string
2528         is not empty.
2529         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
2530         * doc/invoke.texi (-mfixed-range): Document new option.
2532 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
2534         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
2535         for TARGET_64BIT.
2536         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
2538 2004-07-14  Roger Sayle  <roger@eyesopen.com>
2540         * expmed.c (expand_sdiv_pow2): New function to expand signed division
2541         by a positive power of two, split out from expand_divmod.  Provide
2542         an alternate implementation when shifts are expensive.  Lower the
2543         threshold for using a branchless implementation to BRANCH_COST >= 2.
2544         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
2546 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2548         * tree-dfa.c (make_rename_temp): *Really* work just
2549         like create_tmp_var if called while outside SSA form.
2551 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2553         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
2554         for division by zero.
2555         ("umodsi3"): Likewise.
2557 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2559         * config/mips/mips.c (mips_output_move): When generating mips16 code,
2560         force loads of negative constants to be split.
2561         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
2562         Generalize SImode li/neg splitter to cope with other modes.
2564 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2566         * expmed.c: Remove more references to QUEUED in the comments.
2567         * expr.c: Likewise.
2569 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2571         Revert:
2572         2004-07-13  Richard Henderson  <rth@redhat.com>
2573         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
2574         correctly.
2576 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2578         * tree-dfa.c (make_rename_temp): Work just like
2579         create_tmp_var if called while outside SSA form.
2581 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2583         * expr.c (enqueue_insn, finish_expr_for_function,
2584         protect_from_queue, queued_subexp_p, mark_queue,
2585         emit_insns_enqueued_after_mark, emit_queue,
2586         expand_increment): Remove.
2587         (store_constructor): Expand increment as an assignment.
2588         (expand_expr_real_1 <case PREINCREMENT_EXPR,
2589         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
2590         case POSTDECREMENT_EXPR>): Abort.
2591         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
2592         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
2593         protect_from_queue, emit_queue, queued_subexp_p): Remove.
2594         * function.h (pending_chain, x_pending_chain): Remove.
2595         * rtl.def (QUEUED): Remove.
2597         * emit-rtl.c (copy_insn_1, copy_most_rtx,
2598         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
2599         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
2600         encode_units_mask): Likewise.
2601         * local-alloc.c (equiv_init_varies_p): Likewise.
2602         * rtl.c (copy_rtx): Likewise.
2603         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2604         * simplify-rtx.c (simplify_gen_subreg): Likewise.
2605         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
2607         * builtins.c (expand_builtin, expand_builtin_apply,
2608         expand_builtin_mathfn, expand_builtin_mathfn_2,
2609         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
2610         Remove calls to emit_queue and protect_from_queue.
2611         * calls.c (expand_call, precompute_arguments,
2612         precompute_register_parameters, rtx_for_function_call,
2613         store_one_arg): Likewise.
2614         * dojump.c (do_compare_and_jump, do_jump): Likewise.
2615         * explow.c (memory_address): Likewise.
2616         * expmed.c (clear_by_pieces_1, clear_storage,
2617         clear_storage_via_libcall, emit_group_load,
2618         emit_group_store, emit_store_flag,
2619         expand_expr_real_1, store_by_pieces,
2620         store_constructor, store_expr, try_casesi,
2621         try_tablejump): Likewise.
2622         * function.c (expand_pending_sizes): Likewise.
2623         * optabs.c (emit_cmp_and_jump_insns,
2624         emit_conditional_add, emit_conditional_move,
2625         expand_fix, expand_float, prepare_cmp_insn): Likewise.
2626         * stmt.c (emit_case_bit_tests,
2627         expand_asm_expr, expand_computed_goto,
2628         expand_decl_init, expand_end_case_type,
2629         expand_end_stmt_expr, expand_expr_stmt_value,
2630         expand_return, expand_start_case,
2631         optimize_tail_recursion): Likewise.
2632         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2633         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
2635 2004-07-14  Ben Elliston  <bje@au.ibm.com>
2637         * vec.h: Comment fix.
2639 2004-07-13  Richard Henderson  <rth@redhat.com>
2641         * target.h (struct gcc_target): Add calls.pass_by_reference.
2642         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
2643         * function.c (pass_by_reference): Use the hook.
2644         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
2645         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
2646         (hook_pass_by_reference_must_pass_in_stack): New.
2647         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
2648         (alpha_pass_by_reference): New.
2649         (TARGET_PASS_BY_REFERENCE): New.
2650         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2651         * config/arc/arc.c (arc_pass_by_reference): New.
2652         (TARGET_PASS_BY_REFERENCE): New.
2653         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2654         (FUNCTION_ARG_CALLEE_COPIES): True.
2655         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
2656         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
2657         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
2658         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2659         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2660         * config/cris/cris.c (cris_pass_by_reference): New.
2661         (TARGET_PASS_BY_REFERENCE): New.
2662         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
2663         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
2664         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2665         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
2666         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2667         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
2668         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
2669         (frv_function_arg_pass_by_reference): Remove.
2670         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2671         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
2672         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
2673         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
2674         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2675         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
2676         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
2677         (ia64_pass_by_reference): Rename from
2678         ia64_function_arg_pass_by_reference.
2679         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2680         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2681         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
2682         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
2683         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
2684         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2685         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2686         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
2687         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
2688         (m32r_pass_by_reference): Adjust prototype.  Make static.
2689         Handle mode sizes correctly.
2690         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2691         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
2692         (m68hc11_function_arg_pass_by_reference): Remove.
2693         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2694         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2695         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
2696         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2697         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
2698         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
2699         (mips_va_arg): Use pass_by_reference.
2700         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
2701         Handle mode sizes correctly.
2702         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2703         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2704         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
2705         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
2706         (mmix_pass_by_reference): Rename from
2707         mmix_function_arg_pass_by_reference.
2708         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2709         (FUNCTION_ARG_CALLEE_COPIES): True.
2710         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
2711         (mn10300_pass_by_reference): New.
2712         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2713         (FUNCTION_ARG_CALLEE_COPIES): True.
2714         * config/pa/pa.c (pa_pass_by_reference): New.
2715         (TARGET_PASS_BY_REFERENCE): New.
2716         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2717         (FUNCTION_ARG_CALLEE_COPIES): True.
2718         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
2719         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
2720         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
2721         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2722         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
2723         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
2724         (s390_pass_by_reference): Rename from
2725         s390_function_arg_pass_by_reference.
2726         (s390_function_arg_advance): Don't query pass-by-ref.
2727         (s390_function_arg): Likewise.
2728         (s390_gimplify_va_arg): Use pass_by_reference.
2729         (s390_call_saved_register_used): Likewise.
2730         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2731         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
2732         (shcompact_byref, sh_pass_by_reference): New.
2733         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2734         (SHCOMPACT_BYREF): Remove.
2735         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
2736         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
2737         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
2738         (sparc_gimplify_va_arg): Use pass_by_reference.
2739         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2740         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2741         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
2742         (v850_pass_by_reference): New.
2743         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2744         (FUNCTION_ARG_CALLEE_COPIES): True.
2745         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
2746         FUNCTION_ARG_PASS_BY_REFERENCE docs.
2748 2004-07-14  Richard Henderson  <rth@redhat.com>
2749             Richard Sandiford  <rsandifo@redhat.com>
2751         * config/mips/mips-protos.h (mips_va_arg): Delete.
2752         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
2753         * config/mips/mips.c: Include tree-gimple.h.
2754         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
2755         (mips_arg_info): Remove special handling of must_pass_in_stck args.
2756         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
2757         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
2759 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
2761         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
2762         arguments for COND_EXPR in big-endian adjustment code.
2764 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2766         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
2767         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
2768         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
2769         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
2771 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2773         PR tree-optimization/16443
2774         * tree-ssa-alias.c: Add more description for
2775         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
2776         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
2777         clobbering of call-clobbered and addressable variables.  If
2778         there are any before aliases have been computed, add them.
2780 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2782         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
2783         verification.
2785 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
2787         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
2788         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
2789         to the same type.
2791 2004-07-13  Per Bothner  <per@bothner.com>
2793         * collect2.c (main):  Handle --no-demangle and --demangle flags.
2795 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
2797         * Makefile.in (OBJS-common): Add tree-data-ref.o.
2798         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
2799         (tree-data-ref.o): New rule.
2800         * lambda.h: New file.
2801         * tree-data-ref.c: New file.
2802         * tree-data-ref.h: New file.
2803         * tree.c (int_cst_value, tree_fold_gcd): New functions.
2804         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
2806 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2808         PR target/13926
2809         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
2810         * config/sparc/sparc.c (output_ubranch): New function.
2811         * config/sparc/sparc.md (jump pattern): Use it.
2813 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2815         PR target/16494
2816         * config/sparc/sparc.c (output_cbranch): Properly guard
2817         the code handling far branches with TARGET_V9.
2818         * config/sparc/sparc.md (length attribute): Document the
2819         side-effect of having a length greater or equal to 3.
2821 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2822             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
2824         PR target/15186
2825         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
2826         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
2828 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2829             Martin Sebor  <sebor@roguewave.com>
2831         PR target/12602
2832         * doc/invoke.texi (SPARC options): Document -threads
2833         and -pthreads on Solaris.
2835 2004-07-13  Richard Henderson  <rth@redhat.com>
2837         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
2838         by reference.
2839         (ind_gimplify_va_arg_expr): Remove.
2840         * tree.h (ind_gimplify_va_arg_expr): Remove.
2841         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
2842         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
2843         argsp to be null.
2845         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
2846         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
2847         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
2848         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
2849         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
2851 2004-07-13  Richard Henderson  <rth@redhat.com>
2853         * function.c (pass_by_reference): New.
2854         (assign_parm_find_data_types): Use it.
2855         * calls.c (initialize_argument_information): Likewise.
2856         (emit_library_call_value_1): Likewise.
2857         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2858         * function.h (pass_by_reference): Declare.
2860 2004-07-13  Richard Henderson  <rth@redhat.com>
2862         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
2863         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
2864         * expr.h (MUST_PASS_IN_STACK): Remove.
2865         * system.h (MUST_PASS_IN_STACK): Poison.
2866         * tree.h (must_pass_in_stack_var_size): Declare.
2867         (must_pass_in_stack_var_size_or_pad): Declare.
2868         * calls.c (must_pass_in_stack_var_size): New.
2869         (must_pass_in_stack_var_size_or_pad): Rename from
2870         default_must_pass_in_stack.
2871         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
2872         (TARGET_MUST_PASS_IN_STACK): New.
2873         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
2874         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
2875         (TARGET_MUST_PASS_IN_STACK): New.
2876         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
2877         * config/frv/frv.c (frv_must_pass_in_stack): New.
2878         (TARGET_MUST_PASS_IN_STACK): New.
2879         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
2880         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
2881         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
2882         (ix86_must_pass_in_stack): Make static.
2883         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
2884         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
2885         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
2886         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
2887         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
2888         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
2889         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
2890         (mcore_must_pass_on_stack): Remove.
2891         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
2892         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
2893         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
2894         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
2895         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
2896         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
2897         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
2898         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
2899         (TARGET_MUST_PASS_IN_STACK): New.
2900         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
2901         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
2902         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
2903         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
2904         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
2905         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
2906         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
2907         MUST_PASS_IN_STACK.
2909         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
2910         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
2911         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
2912         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
2913         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
2914         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
2915         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
2916         config/xtensa/xtensa.c: Use target hook.
2918 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
2920         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
2921         * configure: Rebuilt.
2923 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2925         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
2926         * config/mips/mips.h (mips_reg_names): Don't declare.
2927         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
2928         (TARGET_NAME_REGS): Delete.
2929         (TARGET_SWITCHES): Remove -mrnames.
2930         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
2931         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
2932         in REGISTER_NAMES.
2933         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
2934         (override_options): Remove handling of TARGET_NAME_REGS.
2936 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2938         * config/mips/mips.h (TARGET_*): Boolify.
2940 2004-07-12  Nick Clifton  <nickc@redhat.com>
2942         * config.gcc: Add sh-*-symbianelf target.
2943         * config/sh/sh.c: Add new target macros:
2944         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
2945         TARGET_CXX_IMPORT_EXPORT_CLASS.
2946         (sh_file_start): Create a definition of the .directive section.
2947         (sh_attribute): Add dllimport and dllexport attributes.
2948         * config/sh/symbian-pre.h: New file.
2949         * config/sh/symbian-post.h: New file.
2950         * config/sh/symbian.c: New file. Contains Symbian specific
2951         functions.
2952         * config/sh/sh-protos.h: Add prototypes for new functions
2953         provided by symbian.c.
2954         * config/sh/t-symbian: New file.
2955         * doc/extend.texi: Document support for dllimport and dllexport
2956         attributes by the sh-symbianelf target.
2958 2004-07-12  James E Wilson  <wilson@specifixinc.com>
2960         * Makefile.in (AR): Use @AR@ not ar.
2961         (NM): New.
2962         (AR_FOR_TARGET): Use $(AR) not ar for native.
2963         (NM_FOR_TARGET): Use $(NM) not nm for native.
2964         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
2965         * configure: Regenerate.
2967 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
2969         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
2970         special case.
2971         (ashldi3_sp64): Likewise.
2973 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2975         PR target/16477
2976         * pa.c (function_arg): Update comment.
2977         * pa.h (BLOCK_REG_PADDING): Define.
2979 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2981         PR tree-optimization/16461
2982         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
2983         arguments of phi nodes.
2985 2004-07-12  Devang Patel  <dpatel@apple.com>
2987         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
2989 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
2991         * function.c (expand_function_start): Ensure r_save is in Pmode.
2992         * calls.c (prepare_call_address): Ensure static_chain_value is
2993         in Pmode.
2994         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
2995         r_save_area are in Pmode.
2996         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
2997         fnaddr, and static_chain are in Pmode.
2999 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
3001         PR target/16445
3002         * config/ia64/ia64.c (bundling): Don't count ignored insns.
3004 2004-07-12  Richard Henderson  <rth@redhat.com>
3006         * target.h (struct gcc_target): Move gimplify_va_arg_expr
3007         next to build_builtin_va_list.
3008         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
3009         * builtins.c (gimplify_va_arg_expr): Likewise.
3010         * gimplify.c (copy_if_shared_r): Likewise.
3012 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
3014         * passes.c (rest_of_decl_compilation): Don't defer call of
3015         assemble_variable if its DECL_RTL is already set.
3017 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
3019         * cfgloop.h (struct loop): Add nb_iterations field.
3020         (current_loops): Declare.
3021         * tree-chrec.c (chrec_not_analyzed_yet,
3022         chrec_dont_know, chrec_known, count_ev_in_wider_type,
3023         chrec_contains_symbols_defined_in_loop): Remove the temporary
3024         hooks.
3025         * tree-flow-inline.h (loop_containing_stmt): New function.
3026         * tree-scalar-evolution.c: Add implementation.
3027         * tree-scalar-evolution.h: Add declarations.
3029 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
3031         PR rtl-optimization/15921
3032         * Makefile.in (global.o): Add recog.h.
3034         * global.c (recog.h): Add the include-clause.
3035         (bb_info): New member earlyclobber.
3036         (allocate_bb_info, free_bb_info): Initialize/finish the new
3037         member.
3038         (earlyclobber_regclass, earlyclobber_regclass_length): The new
3039         global variables.
3040         (check_earlyclobber, regclass_intersect,
3041         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
3042         New functions.
3043         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
3044         (make_accurate_live_analysis): Modify pavin.
3046 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
3048         * tree-cfg.c (find_taken_edge): Statically compute the truth
3049         value of a predicate comparing an SSA_NAME to itself.
3051 2004-07-12  Roger Sayle  <roger@eyesopen.com>
3053         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
3054         rs6000 doesn't have shift-and-add or shift-and-sub instructions
3055         by returning the cost of a multiplication plus an addition.
3057 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
3059         PR tree-optimization/14107
3060         * gimplify.c (gimplify_return_expr): Accept a
3061         RETURN_EXPR with an error argument.
3062         * tree-optimize.c (init_tree_optimization_passes):
3063         Run pass_warn_function_return at -O0.
3065 2004-07-12  Roger Sayle  <roger@eyesopen.com>
3067         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
3068         index entry.
3070 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
3072         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
3073         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3074         * config/mips/3000.md: Add copyright notice.  Remove automota and
3075         function units; use generic ones instead.  Only define reservations
3076         for things that are different from generic.md.  Extend each clause
3077         to include r3900.
3078         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
3079         * config/mips/mips.md: Include them. Remove define_function_units.
3080         (alu, imuldiv): New automata and units.
3082 2004-07-12  Ben Elliston  <bje@au.ibm.com>
3084         * doc/invoke.texi (Optimize Options): Document -frename-registers
3085         not being enabled by default at -O3.
3087 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3089         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
3090         floating point additions, to keep real immediate constant positive.
3091         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
3092         into X + C, and leave positive real constants as X - C.
3094 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3096         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
3098 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3100         PR tree-optimization/15654
3101         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
3103 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3105         * builtins.c (fold_builtin_fputs): Don't bother converting the
3106         return type to integer_type_node, as we've already checked that
3107         the result will be ignored.
3109         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
3110         that signed addition, subtraction, multiplication, division,
3111         remainder, negation and absolute value may potentially trap.
3113         * fold-const.c (fold_ignored_result): New function to strip
3114         non-side-effecting tree nodes from an expression whose result
3115         is ignored.
3116         (fold_convert): Call fold_ignored_result when casting a value
3117         to VOID_TYPE.
3118         (omit_one_operand):  Call fold_ignored_result on the "omitted"
3119         operand when building a COMPOUND_EXPR.
3120         (pedantic_omit_one_operand): Likewise.
3121         * tree.h (fold_ignored_result): Prototype here.
3122         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
3123         when we're going to ignore the result.
3125 2004-07-11  Richard Henderson  <rth@redhat.com>
3127         PR tree-opt/16383
3128         * tree-ssa-ccp.c (fold_stmt_r): Split out...
3129         * tree.c (fields_compatible_p, find_compatible_field): ... new.
3130         * tree.h (fields_compatible_p, find_compatible_field): Declare.
3131         * tree-sra.c (sra_hash_tree): Hash fields by offset.
3132         (sra_elt_eq): Use fields_compatible_p.
3133         (generate_one_element_ref): Use find_compatible_field.
3135 2004-07-11  Richard Henderson  <rth@redhat.com>
3137         PR tree-opt/16422
3138         * tree-sra.c (generate_one_element_init): New.
3139         (generate_element_init): Use it.
3140         (scalarize_init): Push/pop gimplify context around it.
3141         (find_new_referenced_vars_1, find_new_referenced_vars): New.
3142         * gimplify.c (gimplify_expr): Allow SSA_NAME.
3144 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3146         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
3147         combine.c's combine_insn_cost.
3148         * rtl.h (insn_rtx_cost): Prototype here.
3149         * combine.c (combine_insn_cost): Delete function.
3150         (combine_validate_cost): Update callers of combine_insn_cost to
3151         call insn_rtx_cost instead.
3152         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
3153         requesting the rtx_cost of call and/or jump instructions.
3155         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
3156         rtx_cost directly.  Don't request/use the cost of call or jump
3157         instructions.  Return -1 if the cost of any instruction can't be
3158         determined (or the BB contains a function call).
3159         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
3160         -1 (i.e. can't determine the cost of any instruction or the basic
3161         block contains a subroutine call).
3162         (find_if_case_2): Likewise.
3164 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3166         * rs6000.c (struct processor_costs): Change semantics of fields to
3167         include the COST_N_INSNS scaling, and update all initializers.
3168         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
3169         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
3170         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
3171         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
3173 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3175         * LANGUAGES: Remove obsolete information.
3177 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3179         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
3180         SIGBUS signal frames, the PSW address points *to* the faulting
3181         instruction, not after it.
3183 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3185         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
3186         added to TLS symbol addresses.
3188 2004-07-11  Richard Henderson  <rth@redhat.com>
3190         * expmed.c (init_expmed): Use stack-local structures for
3191         temporary rtl.  Don't recognize shifts.
3193 2004-07-11  Richard Henderson  <rth@redhat.com>
3195         * expr.c (store_expr): Don't fiddle subreg promotion for types
3196         with precision smaller than the mode.
3198 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3200         * tree.h (all_types_permanent): Remove.
3202 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3204         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
3205         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
3206         * langhooks.c (lhd_clear_binding_stack): Remove.
3207         * langhooks-def.h (lhd_clear_binding_stack,
3208         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3209         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
3210         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
3211         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3212         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
3213         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
3214         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
3215         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3216         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
3217         * tree.h (poplevel): Don't declare.
3218         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
3219         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3220         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
3221         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
3222         Remove.
3224 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3226         PR tree-optimization/16437
3227         * c-common.c (shorten_compare): Don't mark result of conversion to
3228         narrower signed type as overflowing.
3229         * fold-const.c (decode_field_reference): Determine whether
3230         signedness comes from outer type using precision rather than size.
3232 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3234         * configure.ac:  Alphabetize --enable-checking list, add
3235         missing valgrind entry.
3236         * configure:  Regenerate.
3238 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3240         * doc/install.texi (Testing):  Fix syntax in "make check" example.
3242 2004-07-10  James E Wilson  <wilson@specifixinc.com>
3244         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
3246 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3248         PR rtl-optimization/16001
3249         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
3250         niter_expr.
3252 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
3254         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
3256 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
3257             James Morrison  <phython@gcc.gnu.org>
3259         * doc/contrib.texi (Contributors): Add gfortran contributors and
3260         fix a couple of typos.
3262 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3264         PR rtl-optimization/15387
3265         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
3266         to incoming args space correctly.
3268 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3270         * pa.c (output_indirect_call): Only use %r2 as the link register in
3271         indirect calls with the long PA 2.0 pc-relative branch.
3273 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
3275         * config/i386/i386.c (override_options): Pick a 64-bit CPU
3276         for the default tuning if TARGET_64BIT.
3278 2004-07-10  Richard Henderson  <rth@redhat.com>
3280         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
3281         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
3283 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
3285         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
3286         * expmed.c (store_bit_field, extract_bit_field): Remove last
3287         argument.
3288         * builtins.c (expand_builtin_signbit): Adjust callers.
3289         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
3290         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
3291         * ifcvt.c (noce_emit_move_insn): Likewise.
3292         * stmt.c (expand_return): Likewise.
3293         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
3294         store_field, expand_expr_real_1): Likewise.
3296 2004-07-10  Richard Henderson  <rth@redhat.com>
3298         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
3300 2004-07-09  Mike Stump  <mrs@apple.com>
3302         * config/darwin.c (no_dead_strip): Add.
3303         (HAVE_DEAD_STRIP): Add.
3304         (darwin_emit_unwind_label): Ensure that we don't dead code strip
3305         the .eh label.
3307 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3309         * tree-ssa-loop-im.c: New file.
3310         * Makefile.in (tree-ssa-loop-im.o): Add.
3311         * cfgloop.c (superloop_at_depth): New function.
3312         * cfgloop.h (superloop_at_depth): Declare.
3313         * common.opt (ftree-lim): New flag.
3314         * expr.c (array_ref_up_bound): New function.
3315         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
3316         * timevar.def (TV_LIM): New timevar.
3317         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
3318         computing immediate uses of a phi node.
3319         * tree-flow.h (struct tree_ann_common_d): Add aux field.
3320         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
3321         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
3322         * tree-pass.h (pass_lim): Declare.
3323         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
3324         functions.
3325         (pass_lim): New pass structure.
3326         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
3327         * tree.c (in_array_bounds_p): New function.
3328         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
3329         (in_array_bounds_p, array_ref_up_bound): Declare.
3330         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
3331         * doc/passes.texi (tree-ssa-loop-im.c): Document.
3333 2004-07-09  Richard Henderson  <rth@redhat.com>
3335         * builtins.c (expand_builtin_stpcpy): Don't modify len.
3337         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
3338         with prejudice.
3340 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
3342         * flags.h: Delete redundant prototypes that are being generated
3343         in options.h from common.opt.
3344         * common.opt: Add in the expository comments formerly in flags.h.
3346 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3348         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
3349         available for use only when TARGET_MMX/_SSE is set, and check for
3350         variable argument function if any register count is non-zero.
3351         (function_arg): Correctly suppress repeated warnings for passing SSE
3352         vectors are arguments without SSE enabled.
3353         (ix86_function_arg_boundary): Without SSE enabled, the use of what
3354         would be SSE register modes does no longer influence the alignment.
3356 2004-07-09  Richard Henderson  <rth@redhat.com>
3358         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
3359         Always align upward to arg boundary.  Use size_in_bytes/round_up.
3360         Maintain type-correctness of constants.
3361         * stor-layout.c (round_up, round_down): Special-case powers of 2.
3363 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3365         * config/sparc/sparc.c (*_costs): Scale instruction costs
3366         by COSTS_N_INSNS.
3367         (sparc_rtx_costs): Adjust as appropriate.
3369 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3371         * config/i386/mm3dnow.h: New.
3372         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
3374 2004-07-09  Richard Henderson  <rth@redhat.com>
3376         * simplify-rtx.c (simplify_const_relational_operation): Only
3377         look at bounds of scalar integers.
3379 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3381         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
3383 2004-07-09  Andrew Pinski  <apinski@apple.com>
3385         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
3386         always referenced.
3387         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
3388         UOBJC_METACLASS_decl.
3390 2004-07-09  James E Wilson  <wilson@specifixinc.com>
3392         PR target/16364
3393         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
3394         do return a parallel if hfa_mode == XFmode and mode == TImode.
3396 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3398         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
3399         permissible for unary plus.
3401 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3403         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
3404         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
3405         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
3406         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
3407         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
3408         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
3409         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
3410         (BUILTIN_xxxIMAX): New.
3411         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
3412         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
3413         BUILT_IN_PARITYIMAX.
3415 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3417         * config/sparc/sparc.h (processor_costs): Define.
3418         (sparc_costs): Declare.
3419         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
3420         hypersparc_costs, sparclet_costs, ultrasparc_costs,
3421         ultrasparc3_costs): New.
3422         (sparc_override_options): Set sparc_costs as appropriate.
3423         (sparc_rtx_costs): Use sparc_costs instead of messy
3424         conditionals.
3426 2004-07-09  Steven Bosscher  <stevenb@suse.de>
3428         * doc/md.texi (Processor pipeline description): Mention that
3429         the old pipeline description is deprecated.
3431         * config/rs6000/7450.md (automaton ppc7450): Split up, move
3432         mciu_7450 function unit to...
3433         (automaton ppc7450mciu): ...new automaton.
3435         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
3436         (schedule_block): Don't consider inserting bubbles.
3437         (sched_init): Don't initialize DFA bubbles.
3438         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
3439         TARGET_SCHED_DFA_BUBBLE): Remove.
3440         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
3441         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
3442         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
3444         * stmt.c (conditional_context): Remove prototype.
3445         * tree.h (conditional_context): Remove.
3446         * tree-cfg.c (pre_insert_on_edge): Remove.
3448         * c-common.h (c_expand_asm_operands): Remove prototype.
3449         * c-typeck.c (c_expand_asm_operands): Remove.
3451 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3453         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
3454         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
3455         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
3456         and V8QI are class SSE. All sufficiently small remaining vector modes
3457         must be passed in one or two integer registers.
3458         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
3459         returned in memory.
3460         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
3461         __builtin_ia32_pmuludq128 have non-uniform argument and return types
3462         and must thus be handled explicitly.
3463         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
3464         MMX and XMM regs.
3465         (movv8qi_internal, movv4hi_internal, movv2si_internal,
3466         movv2sf_internal): Permit moving between MMX and XMM registers (since
3467         MMX areguments and return values are passed in XMM registers).
3468         (sse2_umulsidi3): Correct type and mode.
3470 2004-07-09  Richard Henderson  <rth@redhat.com>
3472         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
3474 2004-07-09  Eric Christopher  <echristo@redhat.com>
3476         * config/rs6000/40x.md: Split into two automatons.
3478 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3479             Andrew Pinski  <apinski@apple.com>
3481         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
3482         on when we have more than one input file.
3483         (c_common_parse_file): Restore loop over all input files.
3484         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
3486         * c-decl.c (set_type_context): New function.
3487         (pop_scope): Use it to set context of types.  When we
3488         encounter a TYPE_DECL, set the context of the attached type too.
3489         (pop_file_scope): Don't call cpp_undef_all here.
3490         (diagnose_mismatched_decls): Do not complain about a second
3491         definition of an 'extern inline' function if it's not in the
3492         same translation unit.  Do not complain about inline
3493         declaration after use if the use was in a different
3494         translation unit.
3495         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
3496         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
3497         the external scope.
3498         (pushdecl_top_level): Likewise.
3499         (grokdeclarator): Clarify what is going on with setting
3500         DECL_EXTERNAL on function types, a little.
3501         (c_write_global_declarations): Don't do anything if
3502         -fsyntax-only or errors have been encountered.
3504 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3506         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
3508 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3510         PR target/16459
3511         * pa.c (output_indirect_call): Use %r2 as the link register when
3512         calling $$dyncall with a pc-relative branch.
3514 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
3516         * doc/install.texi (Binaries): Mention OpenPKG.
3518 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
3520         Fix PR tree-optimization/15555
3521         * tree-dfa.c (dump_variable): If the variable is a pointer
3522         SSA_NAME, also dump its points-to information.
3523         * tree-flow.h (struct ptr_info_def): Add field
3524         is_dereferenced.
3525         (dump_points_to_info_for): Declare.
3526         (debug_points_to_info_for): Declare.
3527         * tree-optimize.c (init_tree_optimization_passes): Add a
3528         second alias analysis pass after DOM2.
3529         Move pass_del_pta to a later spot.
3530         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
3531         create a name tags when we find a dereferenced pointer.  Just
3532         mark the pointer dereferenced.
3533         (collect_points_to_info_for): Move code to clear points-to
3534         information to create_name_tags.
3535         (create_name_tags): New function.
3536         (compute_flow_sensitive_aliasing): Call it.
3537         (setup_pointers_and_addressables): Mark type tags for renaming
3538         here instead of ...
3539         (create_memory_tag): ... here.
3540         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
3541         (dump_points_to_info_for): Declare extern.
3542         (debug_points_to_info_for): New function.
3544 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
3546         * config/arc/arc.md: Switch to DFA-based scheduler description.
3547         * config/arc/arc.c: Switch to DFA-based scheduler description.
3549 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3551         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
3552         pointer.
3554 2004-07-09  Richard Henderson  <rth@redhat.com>
3556         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
3557         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3558         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
3559         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3561         * config/v850/v850-protos.h (v850_va_arg): Remove.
3562         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3563         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
3564         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
3565         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
3566         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
3568 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3570         PR target/12133
3571         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
3572         and DImode to use +/-4k offset.
3574 2004-07-09  Richard Henderson  <rth@redhat.com>
3576         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
3577         Remove.
3578         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3579         (xstormy16_gimplify_va_arg_expr): Rewrite from
3580         xstormy16_expand_builtin_va_arg.
3581         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
3583         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
3584         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
3586         * config/sh/sh-protos.h (sh_va_arg): Remove.
3587         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3588         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
3589         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
3591         * config/pa/pa-protos.h (hppa_va_arg): Remove.
3592         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3593         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
3594         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3596         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
3597         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3598         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
3599         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
3601 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3603         * config/sparc/sparc.md (return): Rewrite length formula.
3604         * config/sparc/sparc.c (output_return): Pass 1 as 5th
3605         argument to final_scan_insn when in a delay slot.
3606         (output_sibcall): Likewise.
3608 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3610         * arm.c (arm_cpp_interwork): New variable.
3611         (arm_override_options): Set it if TARGET_INTERWORK was on the command
3612         line.
3613         * arm.h (arm_cpp_interwork): Declare it.
3614         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
3615         __THUMB_INTERWORK__ in the preprocessor.
3617 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
3619         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
3621 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3623         PR target/16416
3624         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
3625         Override default settings to account for -m32 and -m64.
3627 2004-07-08  Randolph Chung  <tausq@debian.org>
3629         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
3631 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
3633         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
3634         before comparing it as such.
3636 2004-07-08  Richard Henderson  <rth@redhat.com>
3638         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
3639         temporary.  Use bit arithmetic to align.
3641 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
3643         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
3644         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
3645         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
3646         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
3647         add_labels_and_missing_jumps, find_jump_block,
3648         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3649         Likewise.
3650         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
3651         link_btr_uses, move_btr_def): Likewise.
3652         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
3653         expand_builtin_expect_jump): Likewise.
3654         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
3655         * calls.c (expand_call, emit_library_call_value_1): Likewise.
3656         * cfganal.c (forwarder_block_p): Likewise.
3657         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
3658         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
3659         find_bb_boundaries): Likewise.
3660         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3661         merge_blocks_move_predecessor_nojumps,
3662         merge_blocks_move_successor_nojumps, insns_match_p,
3663         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3664         try_optimize_cfg): Likewise.
3665         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
3666         * cfglayout.c (skip_insns_after_block, label_for_bb,
3667         record_effective_endpoints, insn_locators_initialize,
3668         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
3669         * cfgmainloop.c (create_loop_notes): Likewise.
3670         * cfgrtl.c (delete_insn, delete_insn_chain,
3671         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
3672         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
3673         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
3674         redirect_branch_edge, force_nonfallthru_and_redirect,
3675         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
3676         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
3677         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
3678         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3679         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
3680         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
3681         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
3682         * combine.c (combine_instructions, can_combine_p, try_combine,
3683         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
3684         distribute_notes, distribute_links, insn_cuid): Likewise.
3685         * cse.c (fold_rtx, cse_insn, cse_around_loop,
3686         invalidate_skipped_block, cse_set_around_loop,
3687         cse_end_of_basic_block, cse_main, cse_basic_block,
3688         cse_condition_code_reg): Likewise.
3689         * cselib.c (cselib_process_insn): Likewise.
3690         * ddg.c (create_ddg): Likewise.
3691         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
3692         Likewise.
3693         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
3694         gen_label_die, dwarf2out_var_location): Likewise.
3695         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
3696         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
3697         last_call_insn, active_insn_p, next_label, prev_label,
3698         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
3699         add_insn_before, remove_insn, add_function_usage_to,
3700         reorder_insns, find_line_note, remove_unnecessary_notes,
3701         emit_insn_after_1, classify_insn): Likewise.
3702         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
3703         connect_post_landing_pads, sjlj_mark_call_sites,
3704         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
3705         can_throw_internal, can_throw_external, set_nothrow_function_flags,
3706         convert_to_eh_region_ranges): Likewise.
3707         * explow.c (optimize_save_area_alloca): Likewise.
3708         * expr.c (expand_expr_real): Likewise.
3709         * final.c (insn_current_reference_address, compute_alignments,
3710         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
3711         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
3712         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
3713         propagate_block_delete_insn, propagate_one_insn,
3714         init_propagate_block_info, propagate_block, libcall_dead_p,
3715         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
3716         Likewise.
3717         * function.c (instantiate_virtual_regs, reorder_blocks_1,
3718         expand_function_start, expand_function_end, contains,
3719         thread_prologue_and_epilogue_insns,
3720         reposition_prologue_and_epilogue_notes): Likewise.
3721         * gcse.c (constprop_register, bypass_conditional_jumps,
3722         insert_insn_end_bb, gcse_after_reload): Likewise.
3723         * genemit.c (gen_expand, gen_split): Likewise.
3724         * genpeep.c (gen_peephole, main): Likewise.
3725         * global.c (build_insn_chain): Likewise.
3726         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
3727         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
3728         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
3729         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
3730         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
3731         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
3732         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
3733         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
3734         dead_or_predicable): Likewise.
3735         * integrate.c (try_constants): Likewise.
3736         * jump.c (rebuild_jump_labels, cleanup_barriers,
3737         purge_line_number_notes, init_label_info, mark_all_labels,
3738         squeeze_notes, get_label_before, get_label_after,
3739         reversed_comparison_code_parts, simplejump_p, pc_set,
3740         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
3741         delete_barrier, delete_prior_computation, delete_computation,
3742         delete_related_insns, delete_for_peephole, redirect_jump):
3743         Likewise.
3744         * lcm.c (optimize_mode_switching): Likewise.
3745         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
3746         Likewise.
3747         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
3748         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
3749         * loop-iv.c (simplify_using_assignment): Likewise.
3750         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
3751         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
3752         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
3753         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
3754         check_insn_for_givs, check_final_value, update_giv_derive,
3755         basic_induction_var, product_cheap_p, check_dbra_loop,
3756         loop_insn_first_p, last_use_this_basic_block,
3757         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
3758         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
3759         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
3760         sms_schedule_by_order): Likewise.
3761         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
3762         * postreload.c (reload_cse_simplify_operands, reload_combine,
3763         reload_cse_move2add): Likewise.
3764         * predict.c (can_predict_insn_p, estimate_probability,
3765         expected_value_to_br_prob, process_note_predictions): Likewise.
3766         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
3767         * profile.c (branch_prob): Likewise.
3768         * ra-build.c (live_out_1, livethrough_conflicts_bb,
3769         detect_webs_set_in_cond_jump): Likewise.
3770         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
3771         ra_print_rtl_with_bb): Likewise.
3772         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
3773         * recog.c (next_insn_tests_no_inequality, find_single_use,
3774         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
3775         * reg-stack.c (next_flags_user, record_label_references,
3776         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
3777         compensate_edge, convert_regs_1): Likewise.
3778         * regclass.c (scan_one_insn): Likewise.
3779         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3780         regmove_optimize, fixup_match_1, single_set_for_csa,
3781         combine_stack_adjustments_for_block): Likewise.
3782         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
3783         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
3784         find_equiv_reg): Likewise.
3785         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
3786         reload_as_needed, emit_input_reload_insns, do_output_reload,
3787         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
3788         Likewise.
3789         * reorg.c (find_end_label, emit_delay_sequence,
3790         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
3791         get_jump_flags, rare_destination, mostly_true_jump,
3792         try_merge_delay_insns, redundant_insn, own_thread_p,
3793         fill_simple_delay_slots, fill_slots_from_thread,
3794         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
3795         dbr_schedule): Likewise.
3796         * resource.c (find_basic_block, next_insn_no_annul,
3797         find_dead_or_set_registers, mark_target_live_regs): Likewise.
3798         * rtl.h (RTX_PREV): Likewise.
3799         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
3800         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
3801         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
3802         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
3803         tablejump_p, computed_jump_p, insns_safe_to_move_p,
3804         find_first_parameter_load, can_hoist_insn_p): Likewise.
3805         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
3806         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
3807         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
3808         schedule_ebbs): Likewise.
3809         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
3810         is_conditionally_protected, can_schedule_ready_p,
3811         add_branch_dependences, debug_dependencies): Likewise.
3812         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
3813         Likewise.
3814         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
3815         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
3816         set_dominates_use, ujump_to_loop_cont): Likewise.
3817         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
3818         * varasm.c (output_constant_pool_1): Likewise.
3820 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3822         * tree-scalar-evolution.c: New file.
3823         * tree-scalar-evolution.h: New file.
3824         * tree-ssa-loop-niter.c: New file.
3825         * Makefile.in (SCEV_H): New.
3826         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
3827         * cfgloop.h (struct loop): Add bounds field.
3828         * tree-flow.h (struct tree_niter_desc): New type.
3829         (number_of_iterations_cond, number_of_iterations_exit,
3830         loop_niter_by_eval, find_loop_niter_by_eval,
3831         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
3832         free_numbers_of_iterations_estimates): Declare.
3833         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
3834         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
3835         * doc/invoke.texi (max-iterations-to-track): Document.
3837 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3839         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
3840         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
3841         (MODE_AFTER): Add cast appropriately.
3842         * config/sh/sh.md (movdi splitter): Likewise.
3843         (casesi_worker_2): Add const qualifier appropriately.
3844         (eh_return): Remove unused variable.
3845         (insv): Initialize v;
3847 2004-07-08  Richard Henderson  <rth@redhat.com>
3849         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
3850         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3851         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
3852         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
3853         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
3855         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
3856         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3857         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
3858         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
3860         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
3861         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3862         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
3863         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
3865         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
3866         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3867         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
3868         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
3870         * config/i860/i860-protos.h (i860_va_arg): Remove.
3871         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3872         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
3873         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
3875 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3877         * system.h: Prototype getpagesize if missing.
3878         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
3879         * configure: Regenerate.
3880         * config.in: Regenerate.
3882 2004-07-08  Richard Henderson  <rth@redhat.com>
3884         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
3885         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3886         (fr30_gimplify_va_arg_expr): New.
3887         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
3888         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
3890 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
3892         PR target/16414
3893         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
3894         of asm_noperands result.
3896 2004-07-08  Richard Henderson  <rth@redhat.com>
3898         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
3899         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3900         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
3901         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
3903 2004-07-08  Richard Henderson  <rth@redhat.com>
3905         * builtins.c (ind_gimplify_va_arg_expr): New.
3906         * tree.h (ind_gimplify_va_arg_expr): Declare.
3907         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
3909 2004-07-08  Jan Beulich  <jbeulich@novell.com>
3911         * expmed.c (extract_bit_field): Correct condition to use vec_extract
3912         patterns also on vector elements other than the first one.
3913         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
3914         break statements.
3916 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
3918         * config/rs6000/darwin-ldouble.c: Correct reference
3919         to the Linnainmaa paper.
3921 2004-07-08  Richard Henderson  <rth@redhat.com>
3923         * config/arc/arc-protos.h (arc_va_arg): Remove.
3924         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3925         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
3926         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3928         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
3929         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3930         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
3931         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
3933 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3935         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
3937 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3939         * c-decl.c (static_ctors, static_dtors): Make static.
3940         (pop_file_scope): Call c_common_write_pch and
3941         cgraph_finalize_compilation_unit here.
3942         (build_cdtor): Moved here from c-objc-common.c; simplify.
3943         (c_write_global_declarations_1): Clarify comment.
3944         (c_write_global_declarations): Close the external scope before
3945         doing anything else.  Call build_cdtor, cgraph_optimize, and
3946         mudflap_finish_file here.
3947         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
3948         Clarify comment.
3949         * c-objc-common.c: No need to include cgraph.h.
3950         (build_cdtor): Moved to c-decl.c.
3951         (c_objc_common_finish_file): Delete.
3952         * c-tree.h: Update to match.
3953         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
3954         (generate_static_references): Set TREE_USED before calling finish_decl.
3955         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
3956         on the static_instances_decl.
3958 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3960         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
3961         decls when there is only one input translation unit.
3962         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
3963         change of 2004-07-05; do not treat declarations with
3964         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
3965         * opts.c (cur_in_fname): Delete.
3966         * opts.h: Likewise.
3967         * tree.c: Revert changes of 2004-07-05; no special treatment
3968         for TRANSLATION_UNIT_DECLs.
3969         * Makefile.in (tree.o): Update dependencies.
3971 2004-07-08  Roger Sayle  <roger@eyesopen.com>
3973         * builtins.c (fold_builtin_strcpy): Merge functionality from
3974         simplify_builtin_strcpy.  Add additional len argument.  No longer
3975         static.  Remove function prototype.
3976         (fold_builtin_strncpy): Likewise integrate functionality from
3977         simplify_builtin_strncpy.  Add additional slen argument.  No
3978         longer static.  Remove function prototype.
3979         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
3980         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
3981         types of "ignore" and "unlocked" parameters to bool.
3982         (fold_builtin_1):  Add additional ignore argument.  Call renamed
3983         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
3984         builtins.  Update arguments to fold_builtin_strncpy and
3985         fold_builtin_strcpy.  Add function prototype.
3986         (fold_builtin): Add additional Boolean ignore argument to pass
3987         to fold_builtin_1.
3988         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
3989         and fold_builtin_strncpy instead of simplify_builtin_fputs,
3990         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
3992         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
3993         simplify_builtin_strncpy): Delete function prototypes.
3994         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
3995         fold_builtin_strncpy): Add function prototypes here.
3996         (fold_builtin): Update function prototype with new "bool ignore".
3998         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
3999         (ccp_fold_builtin):  Update call to fold_builtin.  Call
4000         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
4001         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
4002         simplify_builtin_strncpy respectively.
4003         * fold-const.c (fold): Update call to fold_builtin.
4005 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
4007         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
4008         to strcpy.
4010         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
4011         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
4012         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
4013         * calls.c: Remove ifdefs of macros above.
4014         * functions.c: Likewise.
4015         * expr.c: Likewise.
4017 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4019         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
4020         (arch attribute): Delete.
4021         (current_function_calls_alloca attribute): Rename into calls_alloca.
4022         (calls_eh_return): New attribute.
4023         (leaf_function): Likewise.
4024         (length attribute): Fix formula for sibcalls.
4025         (return insn): Correctly compute the 'length' attribute.
4026         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
4028 2004-07-08  Richard Henderson  <rth@redhat.com>
4030         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
4031         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
4032         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
4033         * tree-eh.c (lower_eh_constructs_1): Likewise.
4034         * tree-sra.c (sra_walk_modify_expr): Likewise.
4035         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
4036         (eliminate_unnecessary_stmts): Likewise.
4037         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4038         * tree-tailcall.c (optimize_tail_call): Likewise.
4039         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
4041 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4042             Jakub Jelinek  <jakub@redhat.com>
4044         * config/i386/i386.c (override_options): Enable
4045         SSE prefetches with -mtune, as long as we are
4046         compiling for i686 or higher.  All i686 processors
4047         accept SSE prefetches as NOPS, some i586's don't.
4049 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4051         PR target/10567
4052         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
4054 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
4056         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
4057         the handling of clobbering ASM_EXPRs.
4059 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4061         PR target/16430
4062         * config/sparc/sparc.c (function_value): In 64-bit mode,
4063         return the aggregates larger than 16 bytes like unions.
4065 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4067         PR target/16199
4068         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
4069         'temp' is zero, generate new pseudos as needed and emit the
4070         sequence of insns in single-assignment form.  Resync comments
4071         with code.
4072         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
4073         function before reload.
4075 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
4077         * vec.c (vec_assert_fail): Remove duplicate 'function'.
4079         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
4081         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
4082         Allocation is signed.
4083         (VEC_reserve): Return flag, allocation is signed.
4085 2004-07-08  Richard Henderson  <rth@redhat.com>
4087         * tree-ssa-ccp.c (fold_stmt): Get type directly from
4088         OBJ_TYPE_REF_OBJECT.
4090 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
4091             Neil Booth  <neil@daikokuya.co.uk>
4093         PR c/2511
4094         PR c/3325
4095         * c-decl.c (finish_struct): Ensure bit-fields are given the
4096         correct type.
4097         * c-common.c (c_common_signed_or_unsigned_type): For C, require
4098         the precision to match as well as the mode.
4099         * expr.c (reduce_to_bit_field_precision): New function.
4100         (expand_expr_real_1): Reduce expressions of bit-field type to
4101         proper precision.
4102         * langhooks.h (reduce_bit_field_operations): New hook.
4103         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4104         Define.
4105         * c-lang.c, objc/objc-lang.c
4106         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
4107         * objc/objc-act.c (check_ivars): Convert types to bit-field types
4108         before checking.
4109         * tree.c (build_nonstandard_integer_type): New function.
4110         * tree.h (build_nonstandard_integer_type): New prototype.
4111         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
4112         conversions between integer and boolean types as useless.
4114 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4116         * c-common.c (c_common_nodes_and_builtins): Do not
4117         create __builtin_ptrdiff_t and __builtin_size_t.
4119 2004-07-08  Andrew Pinski  <apinski@apple.com>
4121         * Makefile.in (libbackend.o): Add -combine to the gcc
4122         command line.
4124 2004-07-08  Nick Clifton  <nickc@redhat.com>
4126         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
4127         Set to -Os.
4129 2004-07-08  Richard Henderson  <rth@redhat.com>
4131         * except.c (expand_eh_region_start, expand_eh_region_end,
4132         expand_eh_handler, expand_eh_region_end_cleanup,
4133         expand_start_all_catch, expand_start_catch, expand_end_catch,
4134         expand_end_all_catch, expand_eh_region_end_allowed,
4135         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
4136         expand_eh_region_end_fixup): Remove.
4137         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
4138         cleanups, outer_cleanups, label_chain, exception_region.
4139         (struct goto_fixup): Remove stack_level, cleanup_list_list.
4140         (struct label_chain): Remove.
4141         (struct stmt_status): Remove x_stack_block_stack.
4142         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
4143         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
4144         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
4145         end_cleanup_deferral, last_cleanup_this_contour,
4146         containing_blocks_have_cleanups_or_stack_level,
4147         any_pending_cleanups): Remove.
4148         (expand_null_return_1): Take no arguments.
4149         (expand_label, expand_naked_return, expand_return,
4150         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
4151         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
4152         expand_end_case_type): Don't use any of them.
4153         * calls.c (expand_call): Likewise.
4154         * dojump.c (do_jump): Likewise.
4155         * function.c (expand_function_end): Likewise.
4156         * expr.c (store_expr, expand_expr_real_1): Likewise.
4157         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
4158         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
4159         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
4160         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
4161         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
4162         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
4163         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
4164         for WITH_CLEANUP_EXPR.
4165         (gimple_push_cleanup): Likewise.
4166         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
4167         * print-tree.c (print_node): Likewise.
4168         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
4169         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
4170         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
4171         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
4172         (GOTO_SUBROUTINE_EXPR): Remove.
4173         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
4174         (DECL_TOO_LATE): Remove.
4175         * except.h, tree.h: Update decls.
4177 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4179         * explow.c (optimize_save_area_alloca): Do not accept parameters.
4180         * passes.c (rest_of_handle_final): Handle symout.
4181         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
4182         Push timevar here.
4183         (rest_of_handle_sched): Break out SMS.  Remove ifs for
4184         flag_schedule_insns and flag_modulo_sched.
4185         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
4186         collect at the end.
4187         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
4188         (rest_of_handle_partition_blocks, rest_of_handle_sms,
4189         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
4190         rest_of_handle_mode_switching, rest_of_handle_jump,
4191         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
4192         rest_of_handle_jump2, rest_of_handle_postreload,
4193         rest_of_handle_flow2, rest_of_clean_state,
4194         rest_of_handle_shorten_branches,
4195         rest_of_handle_prologue_epilogue,
4196         rest_of_handle_branch_target_load_optimize): New.
4197         (rest_of_compilation): Call the above.  Remove ggc_collect
4198         calls moved to rest_of_handle_*.
4199         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
4201         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
4202         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
4203         * except.h (set_nothrow_function_flags): Update comment.
4204         * function.c (current_function_nothrow): Remove.
4205         * output.h (current_function_nothrow): Remove.
4206         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
4207         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
4209 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4211         PR bootstrap/16326
4212         * reorg.c: Revert 2004-06-30 change.
4213         (find_end_label): If HAVE_epilogue and !HAVE_return,
4214         return 0 instead of creating a label at the end of the insn chain.
4215         (optimize_skip): Account for the failure mode of find_end_label.
4216         (fill_simple_delay_slots): Likewise.
4217         (fill_slots_from_thread): Likewise.
4218         (relax_delay_slots): Likewise.
4220 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
4222         * tree-flow.h (addressable_vars): Declare.
4223         * tree-ssa-alias.c (addressable_vars): Define.
4224         (setup_pointers_and_addressables): Add addressable variables
4225         to addressable_vars.
4226         * tree-ssa-operands.c (get_stmt_operands): Move
4227         handling of ASM_EXPRs ...
4228         (get_asm_expr_operands): ... here.
4229         When the ASM_EXPR clobbers memory, also clobber addressable
4230         variables.
4231         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
4232         (delete_tree_ssa): Reset addressable_vars.
4234 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4235             Richard Henderson  <rth@redhat.com>
4237         * varasm.c (assemble_variable): Use assemble_zeros for
4238         zero-initialized variables.
4239         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
4240         for SECCAT_BSS and SECCAT_TBSS.
4242 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4244         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
4246         * expmed.c (emit_store_flag): Also special-case double-word
4247         (in-)equality comparison against -1.
4249         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
4250         passing arguments the containers for which are registers.
4252         * calls.c (emit_library_call_value_1): Use mode of function parameter
4253         rather than that of argument since constants have none.
4255 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
4257         Introduce H8SX support.
4258         * expr.c (expand_strcpy): Renamed and moved to...
4259         * builtins.c (expand_movstr): ... here.  Tweak.
4260         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
4261         computed or has side effects.
4262         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
4263         unused, or if mempcpy fails.  Adjust the return value in the
4264         latter case.  Use movstr if everything else fails.
4265         * doc/md.texi (movstr): Document.
4266         (movmemM, clrmemM): Fix explanation of memory block operands.
4267         * config/h8300/h8300.md (stpcpy): Renamed to...
4268         (movstr): ... this.  Adjust.
4269         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4270         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
4271         movmem* and clrstr* to clrmem*.
4272         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
4273         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
4274         GENERAL_REGS, always.
4275         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
4276         getting the stack pointer as addr.
4277         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
4278         from general_operand_dst.
4279         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
4280         variant of...
4281         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
4282         instead of requiring it to match only before reload.
4283         (stpcpy_internal_normal): New, normal-mode variant of...
4284         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
4285         `D' instead of requiring it to match only before reload.
4286         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
4287         mode argument.
4288         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
4289         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
4290         h8300_get_index.
4291         * config/h8300/h8300.md (attr type): Add call.
4292         (attr can_delay): If type is call, set it no.
4293         (call, call_value): Set type to call.
4294         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
4295         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
4296         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
4297         * tree.c (get_narrower): Don't narrow integral types into
4298         non-integral types.
4299         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
4300         frame_size *before* the first use.
4301         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
4302         on input.
4303         (peephole2): Don't widen instructions that push SP.  Move
4304         decrement of SP to the end of all stm-generating peepholes.
4305         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4306         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
4307         and OR to set it to all ones.
4308         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4309         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
4310         (call, call_value): Set can_delay to "no".
4311         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
4312         * config/h8300/h8300.md (extzv): Make subreg check more robust.
4313         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4314         * config/h8300/h8300.md (*brabit): Remove.
4315         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
4316         zero_extract.  Use bit_memory_operand as the predicate for
4317         operand 1 and 'WU' as the constraint.  Check the difference
4318         between the base length and the final one when deciding which
4319         type of branch to use.
4320         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4321         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
4322         Use convert_move to extend the result for TARGET_H8300SX.  Check
4323         for QImode memory references.  Optimize the case where the
4324         destination is a paradoxical subreg.
4325         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4326         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
4327         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
4328         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4329         * config/h8300/h8300.md: Include mova.md
4330         (length_table): Add mova and mova_zero.
4331         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
4332         after all constant addresses for '%R', '%X', '%T' and '%S'.
4333         (h8300_mova_length): New function.
4334         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
4335         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
4336         dependencies for s-config, etc.
4337         * config/h8300/gemova.sh: New file.
4338         * config/h8300/mova.md: Generated.
4339         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
4340         * config/h8300/h8300.c (h8300_bitfield_length): New.
4341         (nibble_operand): Adjust.
4342         (h8300_binary_length): Handle conditional binary op.
4343         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
4344         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
4345         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
4346         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
4347         constraints.  WU is introduced as a variant of U that requires a
4348         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
4349         * config/h8300/h8300.md (attr type): Added bitbranch.
4350         (attr length_table): Added bitfield and bitbranch.
4351         (attr length): Compute bitbranch length.
4352         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
4353         least-significant bit of a byte.
4354         (brabit, brabc, brabs): New.
4355         (insv, extzv): Emit bfst and bfld on H8300SX.
4356         (bfld, bfst, seq, sne): New.
4357         (bstzhireg, cmpstz, bstz, bistz): New.
4358         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
4359         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
4360         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
4361         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
4362         (h8sx_unary_memory_operator): New function.
4363         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
4364         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
4365         * config/h8300/h8300.md: Add peepholes to combine reloads and
4366         arithmetic insns.
4367         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4368         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
4369         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
4370         (and?i, ior?i, xor?i): Likewise.
4371         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4372         * config/h8300/h8300.c: Move enums and prototypes to head of file.
4373         Various whitespace fixes.
4374         (h8300_constant_length): New function, split out from...
4375         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
4376         (h8300_classify_operand): Use IN_RANGE.
4377         (h8300_classify_operand): Use h8300_constant_length.
4378         (h8300_short_move_mem_p): Tighten size check.
4379         (h8sx_mergeable_memrefs_p): Tighten equality check.
4380         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
4381         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
4382         for -msx.
4383         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
4384         * config/h8300/crtn.asm: Likewise.
4385         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
4386         if __H8300SX__ is defined.
4387         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
4388         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
4389         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
4390         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
4391         addresses as mode-dependent.
4392         * config/h8300/h8300.c (print_operand_address): Update call to
4393         h8300_get_index.
4394         (h8300_get_index): Take a mode argument.  Rework to fix an
4395         earlier misunderstanding.
4396         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
4397         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
4398         into a register if TARGET_H8300SX.
4399         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
4400         TARGET_H8300SX.  Also disable related define_splits.
4401         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
4402         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
4403         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
4404         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4405         * config/h8300/h8300.h (OK_FOR_Z): New macro.
4406         (EXTRA_CONSTRAINT_STR): Check it.
4407         * config/h8300/h8300.c (h8300_classify_operand): Accept null
4408         class arguments.
4409         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
4410         * config/h8300/h8300.md (length_table): Add mov_imm4.
4411         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
4412         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4413         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
4414         be a label.
4415         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
4416         * config/h8300/h8300.c (h8300_reorg): New function.
4417         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4418         * config/h8300/h8300.md (length): Subtract the length of the
4419         delay slot from (pc) when checking the range of forward branches.
4420         (delay_slot, can_delay): New attributes.
4421         (define_delay): Add bra/s handling.
4422         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
4423         (jump): Add delayed-branch handling.
4424         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
4425         * expr.c (expand_strcpy): New function.
4426         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
4427         (expand_builtin_stpcpy): Likewise.
4428         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
4429         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
4430         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
4431         handling to improve register allocation for -fno-omit-frame-pointer.
4432         (h8sx_split_movmd): Delete, moving er6 handling into...
4433         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
4434         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
4435         (movmd): Add calls to copy_rtx.
4436         (movmd_internal): In the second alternative, allow the initial and
4437         final destination registers to be different .  Update the splitter
4438         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
4439         instead of h8sx_split_movmd.
4440         (stpcpy, movsd): New expanders.
4441         (movsd_internal): New define_insn.
4442         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
4443         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
4444         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
4445         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
4446         and DESTINATION_REGS.
4447         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
4448         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
4449         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
4450         (h8300_move_ratio): Declare.
4451         (MOVE_RATIO): Use it.
4452         * config/h8300/h8300.c (h8300_move_ratio): New variable.
4453         (h8300_init_once): Initialize it.
4454         (h8300_reg_class_from_letter): New function.
4455         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
4456         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
4457         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
4458         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
4459         (movstrsi, movmd): New expanders.
4460         (movmd_internal): New insn.
4461         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
4462         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
4463         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
4464         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
4465         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
4466         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4467         * config/h8300/h8300.c (nibble_operand): Fix warning.
4468         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
4469         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
4470         (movsf_h8300h): Disable for TARGET_H8300SX.
4471         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4472         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
4473         h8300_stm_parallel and h8300_return_parallel.
4474         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
4475         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
4476         h8300_stm_parallel, h8300_return_parallel): New functions.
4477         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
4478         if TARGET_H8300SX.  Use h8300_push_pop.
4479         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
4480         and final pop when generating h8sx code.  Always emit some form
4481         of return insn.
4482         * config/h8300/h8300.md: Don't enforce register alignment in
4483         stm peepholes if TARGET_H8300SX.
4484         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
4485         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
4486         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
4487         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4488         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
4489         (MULTILIB_DIRNAMES): Add a directory for it.
4490         (MULTILIB_MATCHES): Delete.
4491         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4492         * final.c (walk_alter_subreg): Handle addresses with subregs
4493         inside a ZERO_EXTEND or AND.
4494         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
4495         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
4496         if TARGET_H8300SX.
4497         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
4498         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
4499         @(dd,Rn.w) and @(dd,ERn.L).
4500         (h8300_displacement_size): Take the whole address as argument.
4501         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
4502         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4503         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
4504         (h8sx_mergeable_memrefs_p): Declare.
4505         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
4506         (HAVE_PRE_INCREMENT): Likewise.
4507         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
4508         addresses for TARGET_H8300SX,
4509         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
4510         and POST_DEC.
4511         (movb_length_table, movl_length_table): New tables.
4512         (movw_length_table): Define to movb_length_table.
4513         (h8300_displacement_size): New, split out from...
4514         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
4515         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
4516         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
4517         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
4518         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
4519         (compute_plussi_length, compute_plussi_cc): Update accordingly.
4520         (h8sx_unary_shift_operator): Get the mode from the operator.
4521         (binary_shift_operator): Likewise.
4522         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
4523         a memory reference, check whether the reference is offsettable.
4524         (length_table): Add movb, movw and movl.
4525         (movqi): Add new h8sx pattern.  Don't force one operand to be a
4526         register when generating h8sx code.
4527         (movhi, movsi, movsf): Likewise.
4528         (movstrictqi): Use the length_table attribute.
4529         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
4530         (addqi3): Split into a define_expand and define_insn.  Don't accept
4531         memory operands in the expander.  Use h8300_operands_match_p to
4532         check for matching operands in the define_insn.
4533         (subqi3, negqi2, one_cmplqi2): Likewise.
4534         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
4535         in any patterns that are unused in h8sx code.  In the h8sx patterns,
4536         use h8300_operands_match_p to check whether operands match.
4537         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
4538         one_cmpl[hs]i3): Likewise.
4539         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
4540         in the expander.
4541         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
4542         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
4543         (h8300_insn_length_from_table): Add a second parameter.
4544         (output_h8sx_shift): Declare.
4545         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
4546         (EXTRA_CONSTRAINT): Replace with...
4547         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
4548         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
4549         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
4550         and h8sx_binary_shift_operator.
4551         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
4552         for TARGET_H8300SX.
4553         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
4554         (bit_memory_operand, fix_bit_operand): Likewise.
4555         (h8300_length_table_for_insn): Remove.
4556         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
4557         instructions.
4558         (h8300_short_immediate_length, h8300_binary_length): New functions.
4559         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
4560         (output_plussi): Use sub to add negative constants.
4561         (compute_plussi_length): Adjust accordingly.
4562         (h8sx_single_shift_type): New enum.
4563         (h8sx_single_shift, h8sx_unary_shift_operator,
4564         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
4565         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
4566         single h8sx instruction.  Return false in this case.
4567         * config/h8300/h8300.md (length_table): Add short_immediate.
4568         (length): Pass the operand array to h8300_insn_length_from_table.
4569         (adjust_length): Assume "no" for insns with a length_table attribute.
4570         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
4571         (*addhi3_h8300hs): Don't use for h8sx.
4572         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
4573         and sub.w #xx:3.
4574         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
4575         1's predicate to nonimmediate_operand.  Only skip default expansion
4576         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
4577         for single h8sx shift instructions.
4578         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
4579         * config/h8300/h8300.c (nibble_operand): Split out of...
4580         (reg_or_nibble_operand): ... this.
4581         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
4582         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
4583         umulhisi3): Introduce expand, and introduce separate insns for
4584         sign- or zero-extended REG and already-extended CONST_INT.
4585         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
4586         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
4587         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
4588         (subhi3): Likewise.  Don't accept immediates for operand 1.
4589         Remove the early clobber from second alternative of the h8300s pattern.
4590         (subsi3): Generalize for h8sx.  Force operand 2 into a register
4591         on plain h8300 targets.
4592         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
4593         (subsi3_h8300h): Generalize for h8sx.
4594         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
4595         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
4596         * config/h8300/h8300.c (reg_or_nibble_operand): New.
4597         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4598         (TARGET_H8300SXMUL): New.
4599         (CONST_OK_FOR_P): New.
4600         (CONST_OK_FOR_LETTER_P): Adjust.
4601         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
4602         umulhisi3): Accept 4-bit immediate on H8SX.
4603         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
4604         (udivsi3, divhi3, udivsi3, divsi3): New.
4605         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
4606         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
4607         * config/h8300/h8300.h (OK_FOR_Q): New macro.
4608         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
4609         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
4610         Add ADDRESSOF to the bit_operand entry.
4611         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
4612         (h8300_src_operand): Likewise.
4613         (bit_operand): Check nonimmediate_operand rather than general_operand.
4614         Accept any nonimmediate_operand in h8sx code.
4615         (h8300_and_costs): Initialize operands[1].
4616         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
4617         (h8300_operand_class): New enum.
4618         (h8300_length_table): New typedef.
4619         (addb_length_table, addw_length_table, addl_length_table,
4620         logicl_length_table): New tables.
4621         (logicb_length_table, logicw_length_table): New macros.
4622         (h8300_classify_operand, h8300_length_from_table,
4623         h8300_length_table_for_insn, h8300_unary_length,
4624         h8300_insn_length_from_table): New functions.
4625         (output_plussi): Only use adds and subs for register destinations.
4626         Disable redundant clause.
4627         (compute_plussi_cc): Likewise.
4628         (compute_plussi_length): Likewise.  Use h8300_length_from_table
4629         to work out the length of an insn.
4630         (output_logical_op): Only use narrower immediate instructions
4631         if the destination is a register.
4632         (compute_logical_op_cc): Likewise.
4633         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
4634         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
4635         * config/h8300/h8300.md (length_table): New attribute.
4636         (length): When an instruction has a length_table attribute, use
4637         h8300_insn_length_from_table to calculate its default length.
4638         (cmpqi): Use h8300_dst_operand for the first operand and
4639         h8300_src_operand for the second.
4640         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
4641         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
4642         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
4643         iorsi3, xorhi3, xorsi3): Likewise.
4644         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
4645         so that it allows any combination of operands for TARGET_H8300SX.
4646         (iorqi3, xorqi3): Likewise.
4647         (cmpqi): Use the length_table attribute.
4648         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
4649         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4650         (cmpqi): Add 'Q' constraint.
4651         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
4652         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4653         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
4654         * config/h8300/h8300.h (MASK_H8300SX): New macro.
4655         (TARGET_H8300S): True for both -ms and -msx.
4656         (TARGET_H8300SX): New macro.
4657         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
4658         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
4659         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
4660         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
4661         [Temporary change.]
4662         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
4663         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
4664         16-bit pointers and 32-bit ints.
4665         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
4666         CONST_DOUBLE with mode no wider than SImode.
4667         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
4668         output operand.
4669         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
4670         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
4671         or SUBREG thereof.
4672         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4673         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
4674         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
4676 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4678         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
4680 2004-07-07  Per Bothner  <per@bothner.com>
4682         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
4684 2004-07-07  Mike Stump  <mrs@apple.com>
4686         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
4687         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
4688         (machopic_finish): Likewise.
4690 2004-07-07  Richard Henderson  <rth@redhat.com>
4692         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
4693         through any value-preserving cast.
4695 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4697         * function.c (assign_parm_find_data_types): Call
4698         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
4700 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4702         * tree-cfg.c (group_case_labels): Remove case labels that have
4703         the same target as the default case.
4705 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4707         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
4708         regardless of DECL_LANG_SPECIFIC being present or not.
4709         * tree.h (DECL_NUM_STMTS): Purge.
4711 2004-07-07  Andrew Pinski  <apinski@apple.com>
4713         * configure: Regenerate with the right autoconf.
4715 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
4717         * ifcvt.c (total_bb_rtx_cost): New function.
4718         (find_if_case_1): Compare rtx_cost of basic block to cost of
4719         BRANCH_COST insns.
4720         (find_if_case_2): Same.
4722 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4724         PR target/10567
4725         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
4726         (output_return): Likewise.
4727         (output_sibcall): Abort if !flag_delayed_branch.
4728         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
4729         (emit_and_preserve): New function.
4730         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
4731         indirect jump to the thunked-to function if !flag_delayed_branch.
4732         * config/sparc/sparc.md (delayed_branch): New attribute.
4733         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
4734         attribute to compute the length of the insn.
4735         (goto_handler_and_restore): Likewise.
4737 2004-07-07  Andrew Pinski  <apinski@apple.com>
4739         PR tree-optimization/15777
4740         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
4742         * expr.c (expand_expr_real_1): Fix formating.
4743         BUFFER_REF and IN_EXPR are dead.
4744         * fold-const.c (non_lvalue): BUFFER_REF is dead.
4745         * tree-inline.c (estimate_num_insns_1): Likewise.
4746         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
4747         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
4748         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
4750 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4752         * collect2.c (dump_file): Don't call cplus_demangle if
4753         HAVE_LD_DEMANGLE is defined.
4754         (main): Pass "--demangle" to ld if no_demangle is not 0 and
4755         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
4756         if HAVE_LD_DEMANGLE is defined.
4758         * configure.ac (--with-demangler-in-ld): Added
4759         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
4760         --with-demangler-in-ld is used.
4761         * config.in: Regenerated.
4762         * configure: Likewise.
4764 2004-07-07  Roger Sayle  <roger@eyesopen.com>
4766         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
4767         for simple floating point operations "fp", double precision
4768         multiplication "dmul", and single and double precision division
4769         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
4770         (ppc630_cost): New table split from ppc620_cost, to distinguish
4771         differences in floating point latencies.
4772         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
4773         (rs6000_rtx_costs): Add support for single and double precision
4774         floating point addition, subtraction, multiplication, division,
4775         fused-multiply-add, fused-multiply-sub, negation, absolute value
4776         and negative absolute value.  Tweak MEM case to use prefered idiom.
4778 2004-07-07  Richard Henderson  <rth@redhat.com>
4780         * tree-flow-inline.h (may_propagate_copy): Move...
4781         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
4782         attempt to copy between types requiring conversion.
4783         * tree-flow.h (may_propagate_copy): Update decl.
4784         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
4786 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
4788         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
4789         from -mtune= option.
4791 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4793         * builtins.c: Rename movstr*, except for movstrict*, to
4794         movmem* and clrstr* to clrmem*.
4795         * expr.c: Likewise.
4796         * expr.h: Likewise.
4797         * genopinit.c: Likewise.
4798         * integrate.c: Likewise.
4799         * local-alloc.c: Likewise.
4800         * optabs.c: Likewise.
4801         * optabs.h: Likewise.
4802         * config/alpha/alpha.h: Likewise.
4803         * config/alpha/alpha.md: Likewise.
4804         * config/arm/arm-protos.h: Likewise.
4805         * config/arm/arm.c: Likewise.
4806         * config/arm/arm.md: Likewise.
4807         * config/avr/avr.md: Likewise.
4808         * config/c4x/c4x.c: Likewise.
4809         * config/c4x/c4x.md: Likewise.
4810         * config/frv/frv.md: Likewise.
4811         * config/i386/i386-protos.h: Likewise.
4812         * config/i386/i386.c: Likewise.
4813         * config/i386/i386.h: Likewise.
4814         * config/i386/i386.md: Likewise.
4815         * config/i860/i860.c: Likewise.
4816         * config/i860/i860.md: Likewise.
4817         * config/ip2k/ip2k.md: Likewise.
4818         * config/ip2k/libgcc.S: Likewise.
4819         * config/ip2k/t-ip2k: Likewise.
4820         * config/m32r/m32r.c: Likewise.
4821         * config/m32r/m32r.md: Likewise.
4822         * config/mcore/mcore.md: Likewise.
4823         * config/mips/mips.c: Likewise.
4824         * config/mips/mips.md: Likewise.
4825         * config/ns32k/ns32k.c: Likewise.
4826         * config/ns32k/ns32k.h: Likewise.
4827         * config/ns32k/ns32k.md: Likewise.
4828         * config/pa/pa.c: Likewise.
4829         * config/pa/pa.md: Likewise.
4830         * config/pdp11/pdp11.h: Likewise.
4831         * config/pdp11/pdp11.md: Likewise.
4832         * config/rs6000/rs6000.c: Likewise.
4833         * config/rs6000/rs6000.md: Likewise.
4834         * config/s390/s390-protos.h: Likewise.
4835         * config/s390/s390.c: Likewise.
4836         * config/s390/s390.md: Likewise.
4837         * config/sh/lib1funcs.asm: Likewise.
4838         * config/sh/sh.c: Likewise.
4839         * config/sh/sh.md: Likewise.
4840         * config/sh/t-sh: Likewise.
4841         * config/sparc/sparc.h: Likewise.
4842         * config/vax/vax.md: Likewise.
4843         * config/xtensa/xtensa.c: Likewise.
4844         * config/xtensa/xtensa.md: Likewise.
4845         * doc/invoke.texi: Likewise.
4846         * doc/md.texi: Likewise.
4847         * doc/rtl.texi: Likewise.
4849 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
4851         PR target/16407
4852         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
4853         * config/mips/mips.c (mips_declare_common_object): New function,
4854         mostly split out from...
4855         (mips_output_aligned_decl_common): ...here.
4856         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
4857         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
4858         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
4859         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
4861 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4863         PR c/16392
4864         * function.c (assign_parms): Fix typo from previous change.
4866 2004-07-07  Jason Merrill  <jason@redhat.com>
4868         PR c++/15815
4869         * doc/extend.texi (C++ Interface): Correct information and
4870         discourage use.
4872 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
4874         PR target/16130
4875         PR target/16142
4876         PR target/16143
4877         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
4878         insn.
4880 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4882         PR target/1679.
4883         * config/m32r/m32r.c (m32r_function_symbol): New function:
4884         Generate a symbol name RTX with the correct m32r specific flags
4885         set.
4886         (block_move_call): Use new function to generate correct symbol.
4887         * config/m32r/m32r-protos.h: Add prototype for new funcion.
4888         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
4889         function.
4891 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4893         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
4894         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
4895         TYPE_BINFO_BASETYPE): Remove.
4896         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
4897         to ...
4898         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
4899         here.
4900         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
4901         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
4902         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
4903         (struct tree_binfo): Rename base_types to base_binfos.
4904         * alias.c (record_component_aliases): Adjust BINFO macros.
4905         * dbxout.c (dbxout_type): Likewise.
4906         * dwarf2out.c (gen_member_die): Likewise.
4907         * sdbout.c (sdbout_one_type): Likewise.
4908         * tree-dump.c (deque_and_dump): Likewise.
4909         * config/i386/i386.c (classify_argument,
4910         contains_128bit_aligned_vector_p): Likewise.
4912 2004-07-07  Nick Clifton  <nickc@redhat.com>
4914         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
4915         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
4917 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4919         * vec.h: Fix the example use.
4921 2004-07-06  Richard Henderson  <rth@redhat.com>
4923         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
4924         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
4925         * tree-inline.c (copy_body_r, setup_one_parameter,
4926         initialize_inlined_parameters, expand_call_inline,
4927         declare_inline_vars): Don't check it.
4928         (expand_calls_inline): Remove old version, rename new version
4929         from gimple_expand_calls_inline.
4930         * tree-optimize.c (execute_gimple): Remove.
4931         (pass_gimple): Don't run anything.
4933 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4935         * doc/sourcebuild.texi: Use semicolons instead of commas in
4936         section title.
4938 2004-07-06  Richard Henderson  <rth@redhat.com>
4940         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
4941         (sra_walk_modify_expr, scan_init): Likewise.
4942         (generate_element_zero): Check visited before scanning children.
4943         (generate_element_init): Set visited on error.
4944         (scalarize_init): Handle generate_element_init failure similar
4945         to use_block_copy.
4947 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4949         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
4950         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
4952 2004-07-06  Richard Henderson  <rth@redhat.com>
4954         * config/i386/i386.c (legitimize_pic_address): Make static.
4955         (legitimize_address): Handle CONST with TLS operand.
4956         (ix86_expand_move): Don't call legitimize_pic_address directly.
4957         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
4959 2004-07-06  Roger Sayle  <roger@eyesopen.com>
4961         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
4962         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
4963         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
4964         is currently executed unconditionally, i.e. not in "else_bb".
4966 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4968         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
4969         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4970         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
4971         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4972         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
4973         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4974         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
4975         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4976         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
4977         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4978         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
4979         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4980         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
4981         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4982         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
4983         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4985 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4987         * dojump.c (do_jump): REFERENCE_EXPR is dead.
4988         * expr.c (expand_expr_real_1): Ditto.
4989         * tree-inline.c (estimate_num_insns_1): Ditto.
4990         * tree-pretty-print.c (dump_generic_node): Ditto.
4991         (op_symbol): Ditto.
4992         * tree.def: Ditto.
4994 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4996         * tree-ssa-pre.c (reference_node_pool): New pool.
4997         (find_or_generate_expression): Class 'r' is okay too.
4998         (create_value_expr_from): Ditto.
4999         (add_to_sets): LHS should not include vuses.
5000         (eliminate): Ditto.
5001         (compute_avail): Reverse ordering of tests.
5002         Valuize INDIRECT_REF as well.
5004 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
5006         PR rtl-optimization/16380
5007         * loop.c (check_dbra_loop): Sink comparison instructions if they
5008         do something other than set cc0.
5010 2004-07-06  James E Wilson  <wilson@specifixinc.com>
5012         * doc/interface.texi (longjmp and automatic variables): Delete
5013         paragraph recommending taking the address of a variable.
5015 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
5017         * vec.h (VEC_embedded_alloc): Remove.
5018         (VEC_embedded_size, VEC_embedded_init): New.
5019         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
5020         MEM_STAT_INFO.
5021         (VEC_truncate): New.
5022         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
5023         (vec_embedded_alloc): Remove.
5024         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
5025         (vec_embedded_alloc): Remove.
5027 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
5029         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
5030         (gt-langhooks.h): Remove.
5032 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
5034         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
5036 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5038         * config/sparc/sparc.c (get_pc_symbol): Rename into
5039         add_pc_to_pic_symbol.
5040         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
5041         (load_pic_register): Account for previous changes.
5042         Use reg_names.  Don't create the label twice.
5043         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
5044         UNSPEC_LOAD_PCREL_SYM.
5045         (get_pc): Rename into load_pcrel_sym.  Add predicate to
5046         operands.  Remove condition.
5048 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
5050         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
5051         RECORD, UNION & QUAL_UNION is actually a binfo.
5053         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
5054         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
5055         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
5056         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
5057         * dwarf2out.c (add_data_member_location_attribute): Likewise.
5058         (gen_inheritance_die): Likewise.
5059         * tree-dump.c (deque_and_dump): Likewise.
5060         * doc/c-tree.texi (Binfos): Add under reconstruction note.
5062 2004-07-06  Steven Bosscher  <stevenb@suse.de>
5064         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
5065         Define.
5066         * config/mcore/mcore.md: Model memory latency with a simple DFA
5067         pipeline description instead of a define_function_unit.
5069 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5071         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
5072         * langhooks.h (var_mod_type_p): Likewise.
5073         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
5074         * expr.c (count_type_elements): Properly handle return from
5075         array_type_nelts and properly test for overflow.
5076         * gimplify.c (gimplify_init_constructor): Properly handle return
5077         from array_type_nelts.
5078         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
5079         * integrate.c (copy_decl_for_inlining): Correct comments.
5080         * tree-inline.c (remap_decl): Update comments, remove dead code,
5081         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
5082         (remap_type): Only remap if variably modified by vars in function
5083         being inlined.
5084         (copy_body_r): Use compatible_type langhooks to see when can fold.
5085         (setup_one_parameter): Don't remap type.
5086         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
5087         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
5088         compute TREE_INVARIANT for decl case.
5089         (find_var_from_fn): New function.
5090         (variably_modified_type_p): Add arg and call new function.
5091         * tree.h (variably_modified_type_p): Add extra arg.
5093 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5095         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
5096         (goto_handler_and_restore_v9): Delete disabled insn.
5097         (goto_handler_and_restore_v9_sp64): Likewise.
5099 2004-07-05  Roger Sayle  <roger@eyesopen.com>
5101         * calls.c (load_register_parameters): Call expand_shift instead
5102         of expand_binop with ashl_optab (or other shift optab) directly.
5103         * expr.c (emit_group_load, emit_group_store): Likewise.
5104         * function.c (assign_parm_setup_block): Likewise.
5105         * stmt.c (shift_return_value): Likewise.
5107 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
5109         * expr.c (expand_assignment): Disable the bitfield += optimizations.
5111 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5113         * doc/sourcebuild.texi: Revert previous patch.
5115 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5117         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
5118         TARGET_MEM_FUNCTIONS.
5119         * system.h: Poison TARGET_MEM_FUNCTIONS.
5120         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
5121         bcmp_libfunc, bzero_libfunc): Remove.
5122         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
5123         bzero_libfunc.
5124         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
5125         * doc/standards.texi: Don't mention calling BSD string functions.
5126         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
5127         * config/vax/t-memfuncs: New.
5128         * config/memcmp.c, config/memcpy.c, config/memmove.c,
5129         config/memset.c: New.
5130         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
5131         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
5132         vax/t-memfuncs.
5133         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
5134         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
5135         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
5136         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
5137         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
5138         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
5139         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
5140         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
5141         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
5142         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
5144 2004-07-05  Richard Henderson  <rth@redhat.com>
5146         * function.c (assign_parm_setup_reg): Properly rename variables in
5147         FUNCTION_ARG_CALLEE_COPIES section.
5149 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5151         * tree-mudflap.c: Include cgraph.h.
5152         (mf_init_extern_trees): Rename to mudflap_init.  Export.
5153         Rewrite to create synthetic declarations instead of looking
5154         up declarations from mf-runtime.h.
5155         (mf_make_builtin, mf_make_cache_struct_type): New functions.
5156         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
5157         Correct commentary.
5158         (execute_mudflap_function_decls, mudflap_register_call):
5159         Don't call mf_init_extern_trees.
5160         (mudflap_finish_file): Use cgraph_build_static_cdtor.
5162         * tree-mudflap.h: Update prototypes.
5163         * c-mudflap.c: Delete file.
5164         * c-common.c: Include tree-mudflap.h.
5165         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
5166         * Makefile.in: Remove all references to c-mudflap.o.
5167         Update dependencies.
5169 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5171         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
5172         displacements with the spatial-locality cache-control completer.
5174 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5176         * langhooks.c: Don't include gt-langhooks.h.
5177         (var_labelno): Delete.
5178         (lhd_set_decl_assembler_name): Do not append a distinguishing
5179         number to file-scope internal-linkage declarations for the first
5180         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
5181         the declaration itself (if at block scope), or its containing
5182         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
5183         number.
5185         * opts.c (cur_in_fname): New global.
5186         * opts.h: Declare it.
5187         * tree.c: Include opts.h.
5188         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
5189         DECL_UID equal to cur_in_fname.
5190         (copy_node_stat): Do not change DECL_UID when copying a
5191         TRANSLATION_UNIT_DECL.
5192         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
5193         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
5195         * c-decl.c (c_static_assembler_name): Delete.
5196         * c-tree.h (c_static_assembler_name): Delete prototype.
5197         * c-lang.c, objc/objc-lang.c: Don't override
5198         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
5200         * Makefile.in (tree.o): Update dependencies.
5201         (GTFILES): Remove langhooks.c.
5203 2004-07-05  Roger Sayle  <roger@eyesopen.com>
5205         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
5206         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
5207         Normalize "X % C" as "X % -C" for signed modulus and negative C.
5208         Optimize "X % -Y" as "X % Y" for signed modulus.
5209         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
5210         into "((unsigned) X % Y) == 0".
5212 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5214         * sourcebuild.texi (Config Fragments): Use @comma{} in
5215         cross-reference to section title.
5217 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5219         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
5220         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
5221         (gimplify_target_expr, gimplify_expr): Likewise.
5222         (copy_if_shared_r): No longer need special case for BIND_EXPR.
5223         (unshare_body, unvisit_body): Only look at nested if BODY_P is
5224         whole function.
5225         (gimplify_compound_lval): See if we can strip any useless conversion.
5226         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
5227         from RHS, not LHS.
5228         (gimplify_modify_expr_to_memset): Likewise.
5229         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
5230         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
5231         (declare_inline_vars): Likewise.
5232         (walk_type_fields): New function.
5233         (walk_tree): Use it.
5234         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
5236         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
5237         (sra_walk_modify_expr): Allow init function to fail.
5238         (scan_init): Now returns bool.
5239         (generate_element_init): If can't understand INIT, return false.
5240         (scalarize_init): Return false if generate_element_init does.
5242         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
5243         print bounds.
5245         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
5246         bounds if bounds aren't constant.
5248         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
5250         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
5251         to type hooks; remove bogus PARAMS.
5253 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
5255         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
5256         * dwarf2out.c (add_data_member_location_attribute): Check for
5257         TREE_BINFO.
5258         * tree.c (tree_node_kinds): Add "binfos".
5259         (binfo_lang_slots): New.
5260         (make_node_stat): Add TREE_BINFO.
5261         (make_tree_binfo_stat): New.
5262         (tree_node_structure): Add TREE_BINFO.
5263         * tree.def (TREE_BINFO): New.
5264         * tree.h (REC_OR_UNION_CHECK): Rename to ...
5265         (RECORD_OR_UNION_CHECK): ... here.
5266         (NOT_RECORD_OR_UNION_CHECK): New.
5267         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
5268         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
5269         RECORD_OR_UNION_CHECK.
5270         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
5271         (TYPE_LANG_SLOT_1): New.
5272         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
5273         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
5274         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
5275         (BINFO_ELTS): Remove.
5276         (BINFO_LANG_SLOT): New.
5277         (struct tree_binfo): New.
5278         (binfo_lang_slots): Declare.
5279         (enum tree_node_structure_enum): Add TS_BINFO.
5280         (union tree_node): Add binfo.
5281         (make_tree_binfo_stat): Declare.
5282         (make_tree_binfo): New.
5283         (enum tree_node_kind): Add binfo_kind.
5285         * objc/objc-act.c (start_class, objc_declare_protocols,
5286         start_protocols): Use TYPE_LANG_SLOT_1.
5287         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
5288         to ...
5289         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
5290         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
5291         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
5292         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
5294 2004-07-05  Steven Bosscher  <stevenb@suse.de>
5296         * rtl.h (struct rtx_def): Remove the integrated flag.
5297         Use the return_val flag for MEM_SCALAR_P.
5298         Reshuffle and update flags in CLEAR_RTX_FLAGS.
5300 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
5302         PR target/16357
5303         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
5304         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
5305         move_by_pieces.
5307 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
5309         * var-tracking.c: Fix some comments.
5310         (frame_stack_adjust): New.
5311         (vt_stack_adjustments): Init stack_adjust of entry block to
5312         minus stack adjustment of function prologue.
5313         (adjust_stack_reference): Do not adjust if adjustment == 0.
5314         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
5315         (emit_notes_in_bb): Likewise.
5316         (vt_add_function_parameters): Do not adjust locations of
5317         function arguments.
5318         (vt_initialize): Compute the stack adjustment of function
5319         prologue and offset the initial "location" of frame_base_decl
5320         from the stack pointer after prologue.
5322 2004-07-04  Richard Henderson  <rth@redhat.com>
5324         * function.c (struct assign_parm_data_all): New.
5325         (struct assign_parm_data_one): New.
5326         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
5327         assign_parm_find_data_types, assign_parms_setup_varargs,
5328         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
5329         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
5330         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
5331         assign_parm_setup_block, assign_parm_setup_reg,
5332         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
5333         (assign_parms): ... here.
5335 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
5337         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
5338         now are bitmap_set_t's.
5339         (bitmap_insert_into_set): No point in inserting the value if
5340         it's invariant.
5341         (bitmap_set_contains): New function.
5342         (bitmap_set_replace_value): Add comment on why we do it
5343         this way.
5344         (set_contains): Removed.
5345         (bitmap_set_subtract_from_value_set): New name of
5346         set_subtract now that it's arguments are two different
5347         types of sets.
5348         Update callers.
5349         (bitmap_find_leader): Change algorithm used.
5350         (find_or_generate_expression): Update use of functions for new
5351         bitmap sets.
5352         (create_expression_by_pieces): Ditto.
5353         (insert_aux): Ditto.
5354         (insert): Ditto.
5355         (add_to_sets): Ditto.
5356         (init_pre): Ditto.
5357         (execute_pre): Ditto.
5358         (compute_avail): Ditto.
5359         Also ignore virtual phis.
5361 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5363         * combine.c (simplify_comparison): Fix comment typo.
5365 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5367         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
5368         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
5369         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
5370         (output_restore): Change parameter from 'insn' to 'pat'.
5371         (output_return): Adjust call to output_restore.
5372         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
5373         Adjust call to output_restore.
5375 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5377         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
5378         and assert system is bsd.
5380 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5382         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
5383         (TARGET_SWITCHES): Remove -mdebugc.
5384         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
5385         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
5386         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
5387         (sle_[sd]i_reg): Delete.
5389 2004-07-04  Steven Bosscher  <stevenb@suse.de>
5391         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
5392         Define.
5393         * config/iq2000/iq2000.md: Translate old pipeline description to an
5394         equivalent new one.
5396 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5398         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
5399         Ensure the replacement rhs is valid gimple before performing
5400         the substitution.  Return false if these sanity checks fail.
5401         (fold_stmt): Only set changed to true, if set_rhs returns true.
5402         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
5403         succeeds.
5405 2004-07-04  Richard Henderson  <rth@redhat.com>
5407         PR c/16348
5408         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
5410 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
5412         * configure.ac (ranlib_flags): New variable.
5413         * Makefile.in (RANLIB_FLAGS): New variable.
5414         (libbackend.a): Use it.
5415         * configure: Regenerated.
5417 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5419         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
5420         a "sign mask" instead of using ashr_optab directly.
5422 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5424         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
5425         * doc/cppopts.texi: Clarify processing of command-line defines.
5427 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
5429         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
5431 2004-07-04  Richard Henderson  <rth@redhat.com>
5433         * rtl.def (ADDRESSOF): Remove.
5434         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
5435         (find_base_term, memrefs_conflict_p): Likewise.
5436         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
5437         (fold_rtx, cse_insn, set_live_p): Likewise.
5438         * dwarf2out.c (mem_loc_descriptor): Likewise.
5439         (add_location_or_const_value_attribute): Likewise.
5440         * emit-rtl.c (copy_insn_1): Likewise.
5441         * explow.c (memory_address): Likewise.
5442         * expmed.c (store_split_bit_field): Likewise.
5443         * expr.c (expand_expr_real_1): Likewise.
5444         * function.c (instantiate_decl
5445         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
5446         * genrecog.c (preds, validate_pattern): Likewise.
5447         * integrate.c (copy_rtx_and_substitute): Likewise.
5448         * recog.c (general_operand, register_operand): Likewise.
5449         (memory_address_p): Likwise.
5450         * reload1.c (eliminate_regs, elimination_effects): Likewise.
5451         * rtl.c (copy_rtx): Likewise.
5452         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5453         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
5454         * rtlhooks.c (gen_lowpart_general): Likewise.
5455         * stmt.c (expand_asm_operands): Likewise.
5456         * web.c (entry_register, replace_ref, web_main): Likewise.
5457         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
5458         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5459         * config/arm/arm.c (thumb_rtx_costs): Likewise.
5460         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
5461         * config/frv/frv.c (move_destination_operand, move_source_operand,
5462         condexec_dest_operand, condexec_source_operand,
5463         condexec_memory_operand): Likewise.
5464         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
5465         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
5466         (destination_xfmode_operand): Likewise.
5467         * config/mips/mips.h (PREDICATE_CODES): Likewise.
5468         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
5469         * config/s390/s390.c (general_s_operand): Likewise.
5470         * config/s390/s390.md (mov*): Likewise.
5471         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
5473         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
5474         * expr.c (expand_expr_real_1): Likewise.
5475         * stmt.c (expand_decl): Likewise.
5476         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5478         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
5479         postponed_insns, put_var_into_stack, put_reg_into_stack,
5480         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
5481         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
5482         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
5483         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
5484         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
5485         purge_bitfield_addressof_replacements, purge_addressof_replacements,
5486         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
5487         struct insns_for_mem_walk_info, insns_for_mem_walk,
5488         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
5489         setjmp_protect_args): Remove.
5490         (push_function_context_to): Don't handle var_refs_queue.
5491         (pop_function_context_from, free_after_compilation): Likewise.
5492         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
5493         (assign_parms, allocate_struct_function): Likewise.
5494         (use_register_for_decl): New.
5495         (expand_function_end): Don't setjmp_protect.
5496         * function.h (struct emit_status): Update commentary.
5497         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
5498         (max_parm_reg, parm_reg_stack_loc): Remove.
5499         * passes.c (DFI_addressof): Remove.
5500         (dump_file_info): Remove addressof.
5501         (rest_of_handle_addressof): Remove.
5502         (rest_of_compilation): Don't call it.
5503         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
5504         * stmt.c (expand_decl): Use use_register_for_decl.
5505         * tree.h: Update decls.
5506         * web.c (mark_addressof): Remove.
5507         * doc/invoke.texi (-dF): Remove.
5509 2004-07-03  Richard Henderson  <rth@redhat.com>
5511         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
5512         instead of gen_mem_addressof.
5513         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
5514         TImode output register.
5516 2004-07-03  Richard Henderson  <rth@redhat.com>
5518         PR tree-optimization/16341
5519         * tree-sra.c (sra_walk_function): Increment to next stmt before
5520         processing the current stmt.
5521         (sra_insert_after): Always use BSI_SAME_STMT.
5523 2004-07-03  Richard Henderson  <rth@redhat.com>
5525         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
5526         fp plus with minus.
5528 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5530         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
5531         with tree_int_cst_equal.
5533 2004-07-03  Andreas Schwab  <schwab@suse.de>
5535         * config/ia64/ia64.md: Define new attribute "empty".
5536         (prologue_use, nop_x, insn_group_barrier): Set it.
5538         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
5539         skip over "empty" insns.
5541 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5543         * tree-inline.c (initialize_inlined_parameters): Pass proper function
5544         context to gimplify_body.
5545         (walk_tree): Don't walk into types twice.
5546         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
5548         * tree-sra.c (generate_element_init): Remove any useless conversions.
5550         * gimplify.c (gimplify_conversion): Remove stripping useless
5551         conversions from here.
5552         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
5553         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
5554         Unshare before substituting PLACEHOLDER_EXPR.
5555         (gimplify_modify_expr_to_memset): Likewise.
5556         Pass address of TO to memset, not TO itself.
5557         (gimplify_init_constructor): Make copy of OBJECT so we have it each
5558         time we make an expression (to match a PLACEHOLDER_EXPR).
5560         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
5561         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
5562         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
5563         * tree-ssa-dom.c (local_fold): Likewise.
5565         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
5566         * langhooks.h (strct lang_hooks): New field type_max_size.
5567         * function.c (assign_temp): Call it.
5569 2004-07-03  Steven Bosscher  <stevenb@suse.de>
5571         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
5572         * config/sh/sh.md: Convert the SH1 pipeline description to
5573         a DFA model.
5575 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
5577         * c-decl.c (struct c_binding): Remove contour field; add
5578         depth, invisible, nested fields.
5579         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
5580         (B_IN_EXTERNAL_SCOPE): New convenience macros.
5581         (bind): Add invisible and nested arguments. Initialize
5582         new fields of struct c_binding; adjust loop scanning for
5583         insertion point.
5584         (free_binding_and_advance): Clear structure with memset.
5585         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
5586         in file scope, even if it's in external scope too.
5587         (pushdecl): Adjust to match.  Create invisible file-scope
5588         declarations for block-scope forward declarations of static functions.
5589         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
5590         (undeclared_variable, lookup_label, declare_label, define_label)
5591         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
5592         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
5593         (store_parm_decls_oldstyle): Adjust to match.
5594         (diagnose_mismatched_decls): Correct handling of linkage clashes.
5595         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
5597         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
5598         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
5600 2004-07-02  Richard Henderson  <rth@redhat.com>
5602         * c-decl.c (grokdeclarator): Don't frob current_function_decl
5603         around variable_size.
5604         (set_decl_nonlocal): Remove.
5605         (store_parm_decls): Add stmts for pending sizes.
5606         * calls.c (calls_function, calls_function_1): Remove.
5607         (precompute_arguments): Don't call it.
5608         * cfgexpand.c (set_save_expr_context): Remove.
5609         (tree_expand_cfg): Don't call it.
5610         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
5611         (dwarf2out_finish): Likewise.
5612         * expr.c (emit_block_move): Adjust addresses to BLKmode.
5613         (store_constructor): Don't pre-evaluate SAVE_EXPR.
5614         (safe_from_p): Don't queue SAVE_EXPRs.
5615         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
5616         or build plain VAR_DECLs.
5617         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
5618         (fold): Likewise.
5619         (fold_checksum_tree): Don't special-case SAVE_EXPR.
5620         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
5621         (put_var_into_stack): Don't handle SAVE_EXPR.
5622         (gen_mem_addressof): Likewise.
5623         * function.h (struct function): Remove x_save_expr_regs.
5624         (save_expr_regs): Remove.
5625         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
5626         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
5627         * stor-layout.c (variable_size): Don't set it.
5628         (force_type_save_exprs, force_type_save_exprs_1): Remove.
5629         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
5630         all callers.  Don't set SAVE_EXPR_CONTEXT.
5631         * tree-inline.h (remap_save_expr): Update decl.
5632         * tree.c (save_expr): Update build size.
5633         (first_rtl_op): Don't handle SAVE_EXPR.
5634         (unsave_expr_1, contains_placeholder_p): Likewise.
5635         (decl_function_context): Likewise.
5636         * tree.def (SAVE_EXPR): Remove args 1 and 2.
5637         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
5638         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
5640 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5642         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
5643         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
5644         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
5645         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
5646         some first-person references and patronizing comments.  Based on
5647         printed manual.
5648         * doc/invoke.texi: Don't reference fortran@gnu.org.
5649         * doc/trouble.texi (Warning when a non-void function value is
5650         ignored): Rewrite.  From Russ Allbery and Chris Devers.
5652 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
5654         * tree-ssa-pre.c (bitmap_set_t): New.
5655         (bb_value_sets): avail_out is now a bitmap_set_t.
5656         (bitmap_find_leader): New function.
5657         (bitmap_value_insert_into_set): Ditto.
5658         (bitmap_set_copy): Ditto.
5659         (bitmap_value_replace_in_set): Ditto.
5660         (bitmap_set_contains_value): Ditto.
5661         (bitmap_set_new): Ditto.
5662         (bitmap_set_pool): New pool.
5663         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
5664         (insert_aux): Ditto.
5665         (add_to_sets): Ditto.
5666         (compute_avail): Ditto
5667         (eliminate): Ditto.
5668         (init_pre): Ditto.
5669         (fini_pre): Ditto.
5670         (execute_pre): Ditto.
5672 2004-07-02  Roger Sayle  <roger@eyesopen.com>
5674         * config/rs6000/rs6000.c (struct processor_costs): New structure
5675         used to hold instruction latencies/sizes for processor types.
5676         (rs6000_cost): New global variable pointing to current CPU's costs.
5677         (rs6000_override_options): Initialize rs6000_cost to point to the
5678         appropriate cost table based upon rs6000_cpu and optimize_size.
5679         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
5680         timings inline.
5682 2004-07-02  Richard Henderson  <rth@redhat.com>
5684         * expmed.c (make_tree): Don't use SET_DECL_RTL.
5686 2004-07-02  Steven Bosscher  <stevenb@suse.de>
5688         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
5690 2004-07-01  Richard Henderson  <rth@redhat.com>
5692         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
5693         (alpha_gp_save_rtx): Use assign_stack_local instead of
5694         gen_mem_addressof.
5696 2004-07-01  Richard Henderson  <rth@redhat.com>
5698         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
5699         (alpha_rtx_cost_data): Update to match.
5700         (alpha_rtx_cost_size): New.
5701         (alpha_rtx_costs): Honor optimize_size.
5703 2004-07-01  Richard Henderson  <rth@redhat.com>
5705         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
5706         * cfgexpand.c (tree_expand_cfg): Do it here.
5707         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
5708         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
5709         * config/mips/mips.c (mips_output_mi_thunk): And here.
5710         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
5711         * config/sh/sh.c (sh_output_mi_thunk): And here.
5712         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
5714 2004-07-01  Richard Henderson  <rth@redhat.com>
5716         * tree.def (RTL_EXPR): Remove.
5717         * c-typeck.c (lvalue_p): Don't handle it.
5718         * expr.c (safe_from_p): Likewise.
5719         (expand_expr_real_1): Likewise.
5720         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
5721         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
5722         * gengtype.c (adjust_field_tree_exp): Likewise.
5723         * stmt.c (warn_if_unused_value): Likewise.
5724         * tree-gimple.c (recalculate_side_effects): Likewise.
5725         * tree-pretty-print.c (dump_generic_node): Likewise.
5726         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
5727         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
5728         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
5730         * stmt.c (struct stmt_status): Remove x_last_expr_type,
5731         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
5732         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
5733         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
5734         all the bits that tracked last_expr.
5735         (expand_end_bindings): Don't track last_expr.
5736         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
5737         (clear_last_expr): Remove.
5738         (expand_asm): Don't call it.
5739         (expand_asm_operands, expand_end_cond): Likewise.
5740         (expand_naked_return, expand_null_return_1): Likewise.
5741         * c-typeck.c (c_begin_compound_stmt): Likewise.
5742         * cfgexpand.c (expand_block): Use expand_expr_stmt.
5743         * expr.c (expand_expr_real_1): Likewise.
5744         * tree.h: Update prototypes.
5746         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
5747         (struct emit_status): Remove sequence_rtl_expr.
5748         (struct function): Remove x_rtl_expr_chain.
5749         (seq_rtl_expr, rtl_expr_chain): Remove.
5750         * function.c (struct temp_slot): Remove rtl_expr.
5751         (assign_stack_temp_for_type): Don't set it.
5752         (free_temp_slots, pop_temp_slots): Don't check it.
5753         (free_after_compilation): Don't clear x_rtl_expr_chain.
5754         (fixup_var_refs): Don't search it.
5755         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
5756         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
5757         or seq_rtl_expr.
5758         (push_topmost_sequence): Likewise.
5759         (end_sequence, init_emit): Likewise.
5760         (start_sequence_for_rtl_expr): Remove.
5761         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
5762         * rtl.h (preserve_rtl_expr_result): Remove.
5764 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
5766         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
5767         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
5768         typos.
5770 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5772         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
5773         (STANDARD_STARTFILE_PREFIX_2): Define.
5774         (standard_startfile_prefix_1): Initialize to
5775         STANDARD_STARTFILE_PREFIX_1.
5776         (standard_startfile_prefix_2): Initialize to
5777         STANDARD_STARTFILE_PREFIX_2.
5778         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
5779         (STANDARD_STARTFILE_PREFIX_1): Define.
5780         (STANDARD_STARTFILE_PREFIX_2): Define.
5781         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
5782         (STANDARD_STARTFILE_PREFIX_2): Document.
5784 2004-07-01  Richard Henderson  <rth@redhat.com>
5786         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
5787         in order to disable scalarization.  Instead set a flag and wait
5788         for a candidate decl.
5790 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5792         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
5793         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
5794         Use terminology "testsuite" and "enumerated".
5796 2004-07-01  Richard Henderson  <rth@redhat.com>
5798         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
5799         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
5800         (initial_return_save): Likewise.
5801         (flush_queued_reg_saves): Remap register numbers.
5802         (dwarf2out_return_reg): Likewise.
5804 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5806         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
5808         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
5809         access functions for lower bound and element size and only output
5810         if lower bound nonzero or element size not same as that of type.
5811         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
5813 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5815         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
5817 2004-07-01  Per Bothner  <per@bothner.com>
5819         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
5821 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
5823         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
5824         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
5825         first operand.  Don't optimize if the bitfield is volatile.
5827 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5829         * c-pretty-print.c (pp_c_postfix_expression): Handle
5830         floating-point comparison operators.
5831         (pp_c_expression): Pass floating-point comparison
5832         operators to pp_c_postfix_expression.
5834 2004-07-01  Roger Sayle  <roger@eyesopen.com>
5836         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
5837         rtx_cost instead of "had_mult" to determine whether the transformed
5838         expression is cheaper than the original.
5840 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
5842         * alias.c (get_alias_set, canon_rtx, get_addr,
5843         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
5844         Use MEM_P.
5845         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
5846         expand_builtin): Likewise.
5847         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
5848         Likewise.
5849         * combine.c (can_combine_p, combinable_i3pat, try_combine,
5850         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
5851         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
5852         record_dead_and_set_regs_1, get_last_value_validate,
5853         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
5854         * cse.c (check_dependence, canon_hash, equiv_constant,
5855         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
5856         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
5857         count_reg_usage): Likewise.
5858         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
5859         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
5860         cselib_record_sets): Likewise.
5861         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
5862         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
5863         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
5864         * df.c (df_uses_record): Likewise.
5865         * dojump (do_jump): Likewise.
5866         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
5867         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
5868         decl_start_label): Likewise.
5869         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
5870         operand_subword, change_address_1, make_safe_from): Likewise.
5871         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
5872         stabilize, force_not_mem): Likewise.
5873         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
5874         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
5875         * expr.c (convert_move, convert_modes, emit_block_move,
5876         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
5877         emit_move_insn_1, expand_assignment, store_expr,
5878         store_constructor_field, store_constructor, store_field,
5879         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
5880         Likewise.
5881         * final.c (cleanup_subreg_operands, alter_subreg,
5882         get_mem_expr_from_op): Likewise.
5883         * flow.c (notice_stack_pointer_modification_1,
5884         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
5885         Likewise.
5886         * function.c (mark_temp_addr_taken, preserve_temp_slots,
5887         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
5888         optimize_bit_field, flush_addressof, purge_addressof_1,
5889         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
5890         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
5891         keep_stack_depressed): Likewise.
5892         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
5893         noce_process_if_block, find_memory): Likewise.
5894         * integrate.c (subst_constants, allocate_initial_values): Likewise.
5895         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
5896         update_equiv_regs): Likewise.
5897         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
5898         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
5899         * optabs.c (expand_abs, emit_unop_insn): Likewise.
5900         * passes.c (rest_of_handle_final): Likewise.
5901         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
5902         move2add_note_store): Likewise.
5903         * ra-build.c (detect_remat_webs): Likewise.
5904         * ra-debug.c (dump_static_insn_cost): Likewise.
5905         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
5906         * recog.c (validate_change, apply_change_group, cancel_changes,
5907         validate_replace_rtx_1, general_operand, register_operand,
5908         nonmemory_operand, push_operand, pop_operand, memory_operand,
5909         indirect_operand, asm_operand_ok, offsettable_memref_p,
5910         offsettable_nonstrict_memref_p, constrain_operands,
5911         store_data_bypass_p): Likewise.
5912         * reg-stack.c (subst_stack_regs_pat): Likewise.
5913         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
5914         copy_cost, reg_scan_mark_refs): Likewise.
5915         * regmove.c (optimize_reg_copy_3, stack_memref_p,
5916         combine_stack_adjustments_for_block): Likewise.
5917         * regrename.c (copyprop_hardreg_forward_1): Likewise.
5918         * reload.c (can_reload_into, push_reload, decompose, immune_p,
5919         find_reloads, find_reloads_address, find_reloads_address_1,
5920         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
5921         find_equiv_reg): Likewise.
5922         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
5923         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
5924         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
5925         delete_address_reloads): Likewise.
5926         * resource.c (mark_referenced_resources): Likewise.
5927         * rtlanal.c (get_jump_table_offset, count_occurrences,
5928         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
5929         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
5930         num_sign_bit_copies1): Likewise.
5931         * rtlhooks.c (gen_lowpart_general): Likewise.
5932         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5933         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
5934         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
5935         sdbout_global_decl): Likewise.
5936         * simplify-rtx.c (simplify_subreg): Likewise.
5937         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
5938         expand_anon_union_decl, expand_end_case_type): Likewise.
5939         * unroll.c (calculate_giv_inc): Likewise.
5940         * var-tracking.c (stack_adjust_offset_pre_post,
5941         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
5942         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
5943         vt_add_function_parameters): Likewise.
5944         * varasm.c (make_var_volatile, notice_global_symbol,
5945         assemble_external, decode_addr_const, mark_weak,
5946         default_encode_section_info): Likewise.
5948 2004-07-01  Steven Bosscher  <stevenb@suse.de>
5950         * stmt.c (check_seenlabel): Remove.
5951         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
5953 2004-07-01  Richard Henderson  <rth@redhat.com>
5955         * function.h (struct function): Remove x_function_call_count.
5956         (function_call_count): Remove.
5957         * calls.c (expand_call): Don't set it.
5958         * integrate.c (copy_rtx_and_substitute): Likewise.
5960         * function.h (struct function): Remove x_cleanup_label.
5961         (cleanup_label): Remove.
5962         * stmt.c (expand_value_return): Don't use it.
5963         * function.c (free_after_compilation): Don't set it.
5964         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
5965         * cfgexpand.c (tree_expand_cfg): Update call.
5966         * tree.h (expand_function_start): Update decl.
5968 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5970         PR c/1027
5971         * c-lang.c (c_initialize_diagnostics): Move from here ...
5972         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
5973         (c_tree_printer): Use pretty-printer to format %T.
5974         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
5975         before '*' if not C++.
5976         (pp_c_direct_abstract_declarator): Don't try to print array upper
5977         bound for flexible array members.
5978         * c-tree.h: Include "diagnostic.h".
5979         (c_initialize_diagnostics): Declare.
5980         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
5981         * c-format.c (format_type_warning): New function.  Improve
5982         diagnostics for incorrect format argument types.
5983         (check_format_types): Use it.  Add two parameters.  Use the
5984         TYPE_MAIN_VARIANT of wanted_type.
5985         (check_format_info_main): Pass new parameters to
5986         check_format_types.
5987         (struct format_wanted_type): Update comment.
5989 2004-07-01  Nick Clifton  <nickc@redhat.com>
5991         * target.h (struct gcc_target): Add new field to struct cxx:
5992         import_export_class.
5993         * target-def.h (TARGET_CXX): Initialise the new field.
5994         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
5995         the new field.
5996         * doc/tm.texi: Document the new target hook.
5998 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
6000         * builtins.c (fold_builtin_classify): Fix typo.
6002 2004-07-01  Richard Henderson  <rth@redhat.com>
6004         * function.c (identify_blocks, identify_blocks_1): Remove.
6005         * function.h (identify_blocks): Remove.
6006         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
6008 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
6010         * builtins.c (fold_builtin_classify): New.
6011         (fold_builtin_unordered_cmp): Fix commentary.
6012         (fold_builtin): Use it.
6013         * builtins.def: Define builtins for isnan,
6014         isnanf, isnanl, finite, finitef, finitel,
6015         isinf, isinff, isinfl.
6017 2004-07-01  Richard Henderson  <rth@redhat.com>
6019         * function.h (struct function): Remove dont_emit_block_notes.
6020         * gimple-low.c (lower_function_body): Don't set it.
6021         * cfgexpand.c (expand_block): Don't check it.
6022         * cfglayout.c (insn_locators_initialize): Likewise.
6023         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
6024         * passes.c (rest_of_compilation): Likewise.
6025         * stmt.c (expand_start_bindings_and_block): Likewise.
6026         (expand_end_bindings): Likewise.
6028 2004-07-01  Richard Henderson  <rth@redhat.com>
6030         * cgraph.h (cgraph_build_static_cdtor): Declare.
6031         * cgraphunit.c (cgraph_build_static_cdtor): New.
6032         * c-objc-common.c (build_cdtor): Use it.
6033         * coverage.c (create_coverage): Likewise.
6034         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
6035         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
6037 See ChangeLog.11 for earlier changes.