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2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/31582
4         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
5         copy of source, pass it to ix86_expand_vector_set and return
6         it as target.
7
8 2007-04-16  David Ung  <davidu@mips.com>
9             Joseph Myers  <joseph@codesourcery.com>
10
11         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
12         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
13         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
14         Add 74K processor information.
15         * config/mips/mips.md: Include 74k.md.
16         (cpu): Add 74kc,74kf,74kx.
17         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
18         * config/mips/74k.md: New.
19         * doc/invoke.texi (MIPS Options): Document 74K support.
20
21 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
22
23         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
24         vectorizable_* functions.
25         * tree-vect-transform.c (vectorizable_call): Add check for
26         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
27         (vectorizable_store): likewise.
28         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
29         Add comments.
30         (vectorizable_operation, vectorizable_type_demotion): Likewise.
31         (vectorizable_type_promotion, vectorizable_load): Likewise.
32         (vectorizable_live_operation, vectorizable_condition): Likewise.
33         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
34         STMT_VINFO_LIVE_P.
35         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
36
37 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
38
39         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
40         register numbers more.
41         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
42         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
43         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
44         FUNCTION_VALUE_REGNO_P): Likewise.
45         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
46         STATIC_CHAIN_REGNUM): Likewise.
47         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
48         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
49         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
50         * config/m68k/m68k.md (FP_REG): New.
51
52 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
53
54         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
55         alignment on fido.
56
57 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
58
59         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
60         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
61         comment typos.
62
63 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
64
65         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
66         cold loops.
67
68 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
69
70         PR c/31520
71         * c-decl.c (finish_decl): Grab the type of the decl after the call
72         to store_init_value.
73
74 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
75
76         * common.opt (fforward-propagate): Fix "Optimization" annotation.
77
78 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
79
80         PR c++/25874
81         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
82         post dominators and cleanup cfg before returning.
83
84 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
85
86         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
87         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
88
89 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
90
91         * config.gcc: Recognize fido.
92         * config/m68k/m68k-devices.def (fidoa): New.
93         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
94         __mfido__.
95         (FL_FIDOA, TARGET_FIDOA): New.
96         * config/m68k/m68k.opt (mfidoa): New.
97
98 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
99
100         PR middle-end/31322
101         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
102         when a personality function is used.
103
104 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
105
106         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
107
108 2007-04-13  Mike Stump  <mrs@apple.com>
109
110         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
111         we can...
112         * config/darwin.opt (fapple-kext): Make C++ only.
113         * config/darwin.c (darwin_override_options): Remove code to ensure
114         -fapple-kext is given for C++ only.
115
116 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
117
118         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
119         * config/mips/mips.c (override_options): Call
120         SUBTARGET_OVERRIDE_OPTIONS, if defined.
121
122 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
123
124         * config/i386/i386.opt (msvr3-shlib): Removed.
125
126         * doc/invoke.texi: Remove -msvr3-shlib.
127
128 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
129
130         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
131         with "popcnt" instruction.
132
133 2007-04-13  Richard Guenther  <rguenther@suse.de>
134
135         PR tree-optimization/21258
136         * tree-vrp.c (compare_case_labels): New helper.
137         (find_switch_asserts): New function.
138         (find_assert_locations): Call it for SWITCH_EXPRs.
139
140 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
141
142         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
143         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
144         check is now implied in X87_FLOAT_MODE_P.
145         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
146         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
147         (fix_trunc<mode>_i386_fisttp): Ditto.
148         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
149         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
150         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
151         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
152         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
153         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
154         (unnamed_splitters): Ditto.
155         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
156         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
157         FIRST_SSE_REG for local functions when SSE math is enabled or
158         for functions with sseregparm attribute.
159         (standard_80387_constant_p): Return -1 if mode is not
160         X87_FLOAT_MODE_P.
161         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
162         (ix86_expand_compare): Ditto.
163         (ix86_expand_carry_flag_compare): Ditto.
164         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
165         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
166         DECIMAL_FLOAT_MODE_P.
167         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
168         of SCALAR_FLOAT_MODE_P.
169         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
170         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
171         checks before FLOAT_MODE_P.
172         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
173         before FLOAT_MODE_P.
174         [DIV]: Ditto.
175         [NEG]: Ditto.
176         [ABS]: Ditto.
177         [SQRT]: Ditto.
178         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
179
180 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
181             Charles Wilson  <libtool@cwilson.fastmail.fm>
182
183         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
184         (libgcc.mvars): Don't depend on them.
185         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
186         * exec-tool.in: New.
187
188 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
189
190         * doc/invoke.text (--help): Document --help=common.
191
192 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
193
194         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
195
196 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
197
198         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
199         * genemit.c (main): Emit #include "integrate.h".
200         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
201         (LOADGP_RTP): New mips_loadgp_style.
202         * config/mips/mips.h: Include config/vxworks-dummy.h.
203         (TARGET_RTP_PIC): New macro.
204         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
205         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
206         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
207         for TARGET_RTP_PIC.
208         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
209         -mvxworks-pic when using -mrtp and a PIC option.
210         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
211         for RTP PIC.
212         (mips_symbolic_constant_p, mips_symbolic_address_p)
213         (mips_symbol_insns): Handle SYMBOL_HALF.
214         (override_options): Warn about -G and -mrtp being used together.
215         Initialize mips_lo_relocs[SYMBOL_HALF].
216         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
217         (mips_emit_loadgp): Handle LOADGP_RTP.
218         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
219         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
220         (tablejump): Handle function-relative case table entries if
221         TARGET_RTP_PIC.
222         * config/mips/predicates.md (symbol_ref_operand): New predicate.
223
224 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
225
226         * config/mips/mips.md (load_call<mode>): Allow any general register.
227         destination.
228         (sibcall_value_internal, sibcall_value_multiple_internal)
229         (call_value_internal, call_value_split, call_value_multiple_internal)
230         (call_value_multiple_split): Remove constraints from operand 0.
231
232 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
233
234         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
235         rather than loadgp_noshared.
236         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
237         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
238         gen_loadgp.
239         * config/mips/mips.md (loadgp): Rename to...
240         (loadgp_newabi): ...this.
241         (loadgp_noshared): Rename to...
242         (loadgp_absolute): ...this.
243
244 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
245
246         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
247         false for locally-binding symbols.
248         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
249
250 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
251
252         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
253         (SYMBOL_GOT_PAGE_OFST): ...this.
254         (SYMBOL_GOT_GLOBAL): Rename to...
255         (SYMBOL_GOT_DISP): ...this.
256         (SYMBOL_GOTOFF_GLOBAL): Rename to...
257         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
258         * config/mips/mips.c (mips_global_symbol_p): New function.
259         (mips_symbol_binds_local_p): Likewise.
260         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
261         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
262         and mips_symbol_binds_local_p.
263         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
264         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
265         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
266         SYMBOL_GOTOFF_DISP.
267         (mips_ok_for_lazy_binding_p): New function.
268         (mips_load_call_address, mips_expand_call): Use it.
269         (mips_dangerous_for_la25_p): Likewise.
270         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
271         (*got_disp<mode>): Use got_disp_operand instead of
272         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
273         SYMBOL_GOTOFF_GLOBAL.
274         (*got_page<mode>): Use got_page_ofst_operand instead of
275         local_got_operand.
276         * config/mips/predicates.md (const_call_insn_operand): Use
277         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
278         (global_got_operand): Rename to...
279         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
280         SYMBOL_GOT_GLOBAL.
281         (local_got_operand): Rename to...
282         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
283         of SYMBOL_GOT_LOCAL.
284
285 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
286
287         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
288         TARGET_CALL_CLOBBERED_GP.
289         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
290         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
291         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
292         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
293         of TARGET_ABICALLS && !TARGET_NEWABI.
294         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
295         * config/mips/mips.c (mips_load_call_address): Check
296         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
297         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
298         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
299         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
300         TARGET_ABICALLS && TARGET_NEWABI.
301         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
302         TARGET_ABICALLS.
303         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
304         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
305         TARGET_ABICALLS && TARGET_NEWABI.
306         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
307         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
308         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
309         whether indirect calls must use $25.
310         (mips_extra_live_on_entry): Check TARGET_GOT instead of
311         TARGET_ABICALLS.
312         * config/mips/mips.md (jal_macro): Check flag_pic and
313         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
314         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
315         instead of TARGET_ABICALLS.
316         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
317         TARGET_ABICALLS && TARGET_OLDABI.
318         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
319         (sibcall): In the comment above the define_insn, mention
320         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
321         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
322         instead of TARGET_ABICALLS.
323
324 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
325
326         * doc/md.texi (Blackfin family constraints): Document PA and PB.
327         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
328         (MACFLAGS_MATCH_P): New macro.
329         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
330         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
331         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
332         the other MACFLAG constants.
333         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
334         (flag_machi): Tighten constraints.  Renumber some of the operands.
335         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
336         output template.
337         (flag_machi_parts_acconly): New pattern.
338         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
339         used.
340         (flag_macinit1hi): Tighten constraints.
341         (flag_mul_macv2hi_parts_acconly): New pattern.
342
343         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
344         Use a more efficient implementation.
345         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
346         inline sequences when not optimizing for size.
347
348         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
349         movhi_high2low): Delete, merge functionality into...
350         (packv2hi): ... this pattern.
351
352         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
353         * config/bfin/bfin.opt (msim): New option.
354         (mcpu=): New option.
355         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
356         (bfin_cpu_t): Typedef of enum bfin_cpu.
357         (bfin_cpu_type): New declaration.
358         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
359         -msim and -mcpu= options.
360         (LIB_SPEC): Likewise.
361         * config/bfin/bfin.c (bfin_cpu_type): Define.
362         (bfin_handle_option): Handle -mcpu= option.
363         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
364         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
365         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
366
367 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
368
369         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
370         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
371         (powerpc-wrs-vxworksae): Use ${tm_file}.
372         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
373         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
374         * config/i386/vx-common.h: New file.
375
376 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
377
378         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
379         of crt0.o%s.
380
381 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
382
383         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
384         ldxtr.
385
386 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
387
388         PR c++/31078
389         PR c++/31103
390         * c-common.c (c_build_qualified_type): Set canonical type
391         appropriately.  
392
393 2007-04-12  Richard Guenther  <rguenther@suse.de>
394
395         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
396         lower bound and element size if lower bound is not zero
397         or either of the ARRAY_REF operands is set.
398
399 2007-04-12  Richard Guenther  <rguenther@suse.de>
400
401         PR tree-optimization/24689
402         PR tree-optimization/31307
403         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
404         indices by value.
405         * gimplify.c (canonicalize_addr_expr): To be consistent with
406         gimplify_compound_lval only set operands two and three of
407         ARRAY_REFs if they are not gimple_min_invariant.  This makes
408         it never at this place.
409         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
410
411 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
412
413         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
414         null before emitting a .nsubspa directive.
415
416 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
417
418         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
419         need_to_partition_p if there are no memory statements in the
420         function.
421
422 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
423
424         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
425         (gcd_of_steps_may_divide_p): New function.
426         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
427
428 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
429
430         * reload.c (find_reloads_toplev, find_reloads_address,
431         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
432         not a pointer equality test, to decide if we need to call
433         push_reg_equiv_alt_mem.
434
435 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
436
437         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
438         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
439         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
440
441 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
442
443         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
444         vector to be positive.
445
446 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
447
448         PR 30735
449         PR 31090
450         * doc/invoke.texi: Document --params max-aliased-vops and
451         avg-aliased-vops.
452         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
453         debug_memory_partitions): Move to tree-flow.h
454         * params.h (AVG_ALIASED_VOPS): Define.
455         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
456         users.
457         (mp_info_t): Likewise.
458         (get_mem_sym_stats_for): New.
459         (set_memory_partition): Move from tree-flow-inline.h.
460         (mark_non_addressable): Only clear the set of symbols for the
461         partition if it exists.
462         (dump_memory_partitions): Move from tree-ssa-operands.c
463         (debug_memory_partitions): Likewise.
464         (need_to_partition_p): New.
465         (dump_mem_ref_stats): New.
466         (debug_mem_ref_stats): New.
467         (dump_mem_sym_stats): New.
468         (debug_mem_sym_stats): New.
469         (update_mem_sym_stats_from_stmt): New.
470         (compare_mp_info_entries): New.
471         (mp_info_cmp): Call it.
472         (sort_mp_info): Change argument to a list of mem_sym_stats_t
473         objects.
474         (get_mpt_for): Move from tree-ssa-operands.c.
475         (find_partition_for): New.
476         (create_partition_for): Remove.
477         (estimate_vop_reduction): New.
478         (update_reference_counts): New.
479         (build_mp_info): New.
480         (compute_memory_partitions): Refactor.
481         Document new heuristic.
482         Call build_mp_info, update_reference_counts,
483         find_partition_for and estimate_vop_reduction.
484         (compute_may_aliases): Populate virtual operands before
485         calling debugging dumps.
486         (delete_mem_sym_stats): New.
487         (delete_mem_ref_stats): New.
488         (init_mem_ref_stats): New.
489         (init_alias_info): Call it.
490         (maybe_create_global_var): Remove alias_info argument.
491         Get number of call sites and number of pure/const call sites
492         from gimple_mem_ref_stats().
493         (dump_alias_info): Call dump_memory_partitions first.
494         (dump_points_to_info_for): Show how many times a pointer has
495         been dereferenced.
496         * opts.c (decode_options): For -O2 set --param
497         max-aliased-vops to 500.
498         For -O3 set --param max-aliased-vops to 1000 and --param
499         avg-aliased-vops to 3.
500         * fortran/options.c (gfc_init_options): Remove assignment to
501         MAX_ALIASED_VOPS.
502         * tree-flow-inline.h (gimple_mem_ref_stats): New.
503         * tree-dfa.c (dump_variable): Dump memory reference
504         statistics.
505         Dump NO_ALIAS* settings.
506         (referenced_var_lookup): Tidy.
507         (mem_sym_stats): New.
508         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
509         and ORIG are different SSA names for a memory partition.
510         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
511         * tree-flow.h (struct mem_sym_stats_d): Define.
512         (mem_sym_stats_t): Define.
513         (struct mem_ref_stats_d): Define.
514         (struct gimple_df): Add field mem_ref_stats.
515         (enum noalias_state): Define.
516         (struct var_ann_d): Add bitfield noalias_state.
517         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
518         debug_mem_ref_stats, debug_memory_partitions,
519         debug_mem_sym_stats): Declare.
520         * tree-ssa-structalias.c (update_alias_info): Update call
521         sites, pure/const call sites and asm sites in structure
522         returned by gimple_mem_ref_stats.
523         Remove local variable IS_POTENTIAL_DEREF.
524         Increase NUM_DEREFS if the memory expression is a potential
525         dereference.
526         Call update_mem_sym_stats_from_stmt.
527         If the memory references memory, call
528         update_mem_sym_stats_from_stmt for all the direct memory
529         symbol references found.
530         (intra_create_variable_infos): Set noalias_state field for
531         pointer arguments according to the value of
532         flag_argument_noalias.
533         * tree-ssa-structalias.h (struct alias_info): Remove fields
534         num_calls_found and num_pure_const_calls_found.
535         (update_mem_sym_stats_from_stmt): Declare.
536         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
537         Set default value to 100.
538         (PARAM_AVG_ALIASED_VOPS): Define.
539
540 2007-04-11  Richard Guenther  <rguenther@suse.de>
541
542         PR middle-end/31530
543         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
544         a * -b + c as c - a * b if we honor sign dependent rounding.
545
546 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
547
548         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
549         bfin_expand_strmov.
550         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
551         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
552         variables.
553         (initialize_trampoline): Don't use old-style function definition.
554         (bfin_secondary_reload): Mark IN_P argument as unused.
555
556 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
557
558         PR tree-optimization/31343
559         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
560         (build_polynomial_chrec): Return a scalar when the evolution is zero.
561         * testsuite/gcc.dg/vect/pr31343.c: New.
562
563 2007-04-10  Eric Christopher  <echristo@apple.com>
564
565         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
566         * config/i386/i386.md (*cmpfp0): Use.
567         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
568         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
569         (fix_trunc<mode>_i386_fisttp): Ditto.
570         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
571         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
572         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
573         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
574         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
575         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
576         (unnamed_splitters): Ditto.
577         * config/i386/i386.c (output_fix_trunc): Assert that
578         we're not being passed a TFmode operand.
579
580 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
581
582         PR tree-optimization/31526
583         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
584         n_basic_blocks to find newly added blocks.
585
586 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
587
588         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
589         alternative.
590         (fix_trunc<mode>si_sse): Ditto.
591         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
592         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
593         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
594         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
595         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
596         expander using SSEMODEF mode macro.
597         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
598         expander using SSEMODEF mode macro.
599         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
600         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
601         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
602         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
603         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
604         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
605         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
606         Macroize insn using X87MODEF mode macro.
607
608 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
609
610         * config/i386/sse.md (sse2_pinsrw): Removed.
611         (sse2_pextrw): Renamed to ...
612         (*sse2_pextrw): This.
613
614 2007-04-09  Jan Hubicka  <jh@suse.cz>
615
616         PR target/27869
617         * config/i386/sse.md
618         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
619         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
620         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
621         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
622
623 2007-04-09  Jan Hubicka  <jh@suse.cz>
624
625         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
626         multiple fields of union.
627
628 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
629
630         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
631         (create_preheaders): Check that loops are available.
632         (fix_loop_structure): Clean up, improve comments.
633         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
634         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
635         state flags.
636         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
637         * predict.c (tree_estimate_probability): Do not call
638         calculate_dominance_info.  Call create_preheaders.
639         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
640         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
641         flags.
642         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
643         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
644         * tree-cfg.c (tree_split_edge): Make an assert more precise.
645         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
646         arguments.
647
648 2007-04-08  Jan Hubicka  <jh@suse.cz>
649
650         * tree.h (maybe_fold_offset_to_component_ref): Declare.
651         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
652         * fold-const.c (fold_unary): Use it.
653
654 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
655
656         * varasm.c (assemble_variable): Remove call to
657         lang_hooks.decls.prepare_assemble_variable.
658         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
659         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
660         * langhooks.h (lang_hooks_for_decls): Remove
661         prepare_assemble_variable.
662
663 2007-04-08  Mike Stump  <mrs@apple.com>
664
665         * config/i386/i386.c: Use inc/dec on Core2.
666
667 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
668
669         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
670         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
671         lhd_tree_inlining_end_inlining): Remove.
672         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
673         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
674         end_inlining hooks.
675         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
676         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
677         lhd_tree_inlining_end_inlining): Remove prototypes.
678         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
679         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
680         LANG_HOOKS_TREE_INLINING_START_INLINING,
681         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
682
683         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
684         not set it.
685
686 2007-04-08  Anatoly Sokolov <aesok@post.ru>
687
688         PR target/29932
689         * config/avr/predicates.md (io_address_operand): Delete predicate.
690         (low_io_address_operand): Don't use 'mode' argument.
691         (higth_io_address_operand): Rename ...
692         (high_io_address_operand): ... to this. Don't use 'mode' argument.
693         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
694         for above change.
695
696 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
697
698         Revert change removing staticp.
699
700 2007-04-07  Anatoly Sokolov <aesok@post.ru>
701
702         PR target/30289
703         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
704         earlyclobber.
705
706 2007-04-07  Bruce Korb  <bkorb@gnu.org>
707
708         * c.opt: Add -Wformat-contains-nul.
709         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
710           -Wformat setting.
711         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
712         the NUL byte warning.
713
714 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
715
716         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
717
718 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
719
720         * tree.c (staticp): No longer use staticp langhook.
721         * langhooks.c (lhd_staticp): Removed.
722         * langhooks.h (struct lang_hooks): Remove staticp.
723         * c-common.c (c_staticp): Remove.
724         * c-common.h (c_staticp): Ditto.
725         * langhooks-defs.h (lhd_staticp): Ditto.
726         (LHD_HOOKS_STATICP): Ditto
727         * tree.h (gcc_assert_lowered): New macro.
728
729 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
730
731         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
732         argument "reliable".
733         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
734         Add argument "reliable".  Propagate it through calls.
735         (infer_loop_bounds_from_undefined):  Derive number of iterations
736         estimates from references in blocks that do not dominate loop latch.
737         (gcov_type_to_double_int): New function.
738         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
739         and expected_loop_iterations_unbounded.
740         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
741         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
742         * tree-data-ref.c (estimated_loop_iterations): Export.
743         (get_references_in_stmt): Fix -- do not return addresses of local
744         objects.
745         * cfgloop.h (expected_loop_iterations_unbounded,
746         estimated_loop_iterations): Declare.
747
748 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
749
750         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
751
752 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
753
754         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
755         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
756         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
757         Use output_387_reg_move().
758         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
759         expander using X87MODEF12 mode macro.
760         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
761         choosing register preferences.  Use output_387_reg_move().
762         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
763         instead of "x".  Use output_387_reg_move().
764         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
765         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
766         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
767         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
768         Use output_387_reg_move().
769         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
770         mode macro.
771         (*truncxf?f_i387 splitter): Ditto.
772
773 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
774
775         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
776         LANG_HOOKS_SAFE_FROM_P.
777         * expr.c (safe_from_p): Remove langhook call.
778         * langhooks.h (lang_hooks): Remove safe_from_p.
779         (lhd_safe_from_p): Remove prototype.
780         * langhooks.c (lhd_safe_from_p): Remove.
781
782 2007-04-06  Jan Hubicka  <jh@suse.cz>
783
784         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
785         functions.
786
787 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
788
789         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
790         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
791         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
792         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
793         alternative.
794         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
795         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
796
797 2007-04-05  Richard Henderson  <rth@redhat.com>
798
799         * config/alpha/alpha.c (print_operand) [+]: Remove.
800         (alpha_end_function): Print nop if call at end of function.
801         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
802         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
803         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
804         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
805         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
806         the call pattern. Update peepholes to match.
807
808 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
809
810         * doc/extend.texi (Other Builtins): Add decimal float variants
811         of signbit.
812         * builtins.def: Ditto.
813         * builtins.c (expand_builtin): Ditto.
814
815 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
816             H.J. Lu  <hongjiu.lu@intel.com>
817
818         PR target/31478
819         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
820         of V8HImode when calling ix86_binary_operator_ok.
821         (sse2_pmaddwd): Call ix86_binary_operator_ok.
822         (sdot_prodv8hi): Operands 1 and 2 must be register.
823
824 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
825
826         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
827         initialize align to silence bogus warning.
828
829 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
830
831         PR middle-end/22156
832         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
833         all_no_warning.
834         (struct sra_walk_fns): Remove use_all parameter from use.
835         (sra_hash_tree): Handle BIT_FIELD_REFs.
836         (sra_elt_hash): Don't hash bitfld blocks.
837         (sra_elt_eq): Skip them in parent compares as well.  Handle
838         BIT_FIELD_REFs.
839         (sra_walk_expr): Don't maintain or pass down use_all_p.
840         (scan_use): Remove use_all parameter.
841         (scalarize_use): Likewise.  Re-expand assignment to
842         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
843         output, and re-scalarize after output.  Don't mark anything
844         for no warning.
845         (scalarize_ldst): Adjust.
846         (scalarize_walk_gimple_modify_statement): Likewise.
847         (build_element_name_1): Handle BIT_FIELD_REFs.
848         (instantiate_element): Don't warn for any element whose parent
849         is used as a whole.
850         (instantiate_missing_elements_1): Return the sra_elt.
851         (canon_type_for_field): New.
852         (try_instantiate_multiple_fields): New.
853         (instantiate_missing_elemnts): Use them.
854         (mark_no_warning): Removed.
855         (generate_one_element_ref): Handle BIT_FIELD_REFs.
856         (REPLDUP, sra_build_elt_assignment): New.
857         (generate_copy_inout): Use them.
858         (generate_element_copy): Likewise.  Handle bitfld differences.
859         (generate_element_zero): Don't recurse for blocks.  Use
860         sra_build_elt_assignment.
861         (generate_one_element_int): Take elt instead of var.  Use
862         sra_build_elt_assignment.
863         (generate_element_init_1): Adjust.
864         (scalarize_use, scalarize_copy): Use REPLDUP.
865         (scalarize_ldst): Move assert before dereference.
866         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
867
868 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
869
870         * regmove.c: Fix unused variable warnings due to previous commit.
871
872 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
873
874         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
875         (regmove_bb_head): Remove.
876         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
877         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
878         problems with fixup_match_1.
879         Don't initialize/free regmove_bb_head.
880
881         (reg_is_remote_constant_p): If an insn is in the same basic block
882         but not before INSN, consider it remote, too.
883
884 2007-04-05  Anatoly Sokolov <aesok@post.ru>
885
886         PR target/25448
887         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
888         DECL_ASSEMBLER_NAME, not the DECL_NAME.
889
890 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
891
892         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
893         (CONDITIONAL_REGISTER_USAGE): Likewise.
894
895 2007-04-04  Richard Henderson  <rth@redhat.com>
896
897         * config/alpha/lib1funcs.asm: Remove unused file.
898
899 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
900
901         PR other/31356
902         * opts.c (print_specific_help): Fix --help=<language>
903         header line.
904         (common_handle_option): Support --help=common.
905
906 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
907
908         PR other/31353
909         * gcc.c (main): Do not run the linker if
910         print_subprocess_help indicates that it shouldn't be
911         run.
912
913 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
914
915         PR doc/31355
916         * doc/invoke.texi (--help=): Document <languages> value, fix
917         formatting in tables of values.
918
919 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
920
921         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
922         dllimport attribute of virtual methods.
923
924 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
925
926         * config/score/crti.asm: Change _bss_start to __bss_start.
927         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
928         (OUTGOING_REG_PARM_STACK_SPACE) update.
929         * config/score/score.opt: add options to make backend support
930         score5, score5u, score7 and score7d.
931         * config/score/score.md: Likewise.
932         * config/score/misc.md: Likewise.
933         * config/score/mac.md: Likewise.
934         * doc/invoke.texi: Likewise.
935         * doc/md.texi: update constraints define.
936
937 2007-04-03  Richard Henderson  <rth@redhat.com>
938
939         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
940         an appropriate type, use the mode instead.
941
942 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
943
944         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
945         Set the default --with-arch setting to mips2.
946         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
947         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
948         (MULTILIB_OSDIRNAMES): Delete.
949         (MULTILIB_DIRNAMES): Define.
950         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
951         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
952         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
953         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
954         VXWORKS_OS_CPP_BUILTINS.
955         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
956         (MIPS_DEBUGGING_INFO): Undefine.
957         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
958
959 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
960
961         PR middle-end/30704
962         * fold-const.c (native_encode_real): Encode real.c provided longs
963         as a series of 32-bit native integers.
964         (native_interpret_real): Interpret buffer as a series of 32-bit
965         native integers.
966
967 2007-04-03  Richard Guenther  <rguenther@suse.de>
968
969         * genpreds.c (write_insn_constraint_len): Write function
970         optimized for CONSTRAINT_LEN implementation.
971         (write_tm_preds_h): Output insn_constraint_len inline and
972         use it for CONSTRAINT_LEN.
973         (write_insn_preds_c): Don't output insn_constraint_len.
974         * doc/md.texi (define_register_constraint): Document multi-letter
975         constraints shall have the same length if they start with the same
976         letter.
977
978 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
979
980         PR target/31175
981         * config/i386/i386.md (isinf<mode>2): Expand only when
982         TARGET_C99_FUNCTIONS is set.
983
984 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
985
986         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
987         (x86_64-*-linux*): Ditto.
988         * config/i386/i386.opt (mpc): New option.
989         * config/i386/i386.c (overrride_options): Handle
990         ix87_precision_string.
991         * config/i386/crtprec.c: New file.
992         * config/i386/t-crtpc: Ditto.
993         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
994         and -mpc80 options.
995         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
996         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
997         crtprec32.o, crtprec64.o and crtprec80.o.
998
999         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1000         and -mpc80 options.
1001         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1002
1003 2007-04-02  Eric Christopher  <echristo@apple.com>
1004
1005         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1006         limitations on darwin.
1007
1008 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1009
1010         PR target/31137
1011         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1012
1013 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1014
1015         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1016
1017 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1018
1019         * libgcc2.h (exception_descriptor): Don't forward-declare.
1020         (__get_eh_table_language, __get_eh_table_version): Delete
1021         prototypes of long-dead functions.
1022
1023 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1024
1025         * ebitmap.h: New file
1026         * ebitmap.c: New file
1027         * Makefile.in (ebitmap.o): New target.
1028
1029 2007-04-01  Jan Hubicka  <jh@suse.cz>
1030
1031         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1032         before very first instruction.
1033
1034 2007-04-01  Jan Hubicka  <jh@suse.cz>
1035
1036         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1037         waring on 64bit hosts.
1038         * bitmap.h: Fix typo in bitmap_head_def.
1039
1040 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1041
1042         PR rtl-optimization/31391
1043         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1044         into a DELETED_LABEL note, and the label is in an empty basic
1045         block, update BB_END as well as BB_HEAD.
1046
1047 2007-04-01  Richard Henderson  <rth@redhat.com>
1048
1049         PR tree-optimization/31169
1050         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1051         to varying if the range is outside [0,  prec-1].
1052
1053 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1054
1055         PR target/31388
1056         * config/mips/mips.md (load_const_gp): New insn.
1057         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1058         the MIPS16 GP pseudo register if no_new_pseudos.
1059         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1060
1061 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1062
1063         PR target/31364
1064         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1065         secureplt.
1066         (call_value): Likewise.
1067
1068 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1069             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1070
1071         PR 14737
1072         * doc/invoke.texi: (optimization options): Reword description
1073         of -ffast-math. Document its primary purpose.
1074
1075 2007-03-31  Richard Guenther  <rguenther@suse.de>
1076
1077         * omp-low.c (splay-tree.h): Include.
1078         (lookup_decl): Replace splay-tree usage by pointer-map.
1079         (maybe_lookup_decl): Likewise.
1080         (new_omp_context): Likewise.
1081         (delete_omp_context): Likewise.
1082         * gimplify.c (splay-tree.h): Include.
1083         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1084         pointer-map.
1085         (remap_ssa_name): Likewise.
1086         (remap_decl): Likewise.
1087         (remap_type_1): Likewise.
1088         (remap_type): Likewise.
1089         (copy_body_r): Likewise.
1090         (expand_call_inline): Likewise.
1091         (clone_body): Likewise.
1092         (copy_tree_r): Likewise.
1093         (remap_save_expr): Likewise.
1094         (unsave_r): Likewise.
1095         (unsave_expr_now): Likewise.
1096         (tree_function_versioning): Likewise.
1097         (build_duplicate_type): Likewise.
1098         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1099         (struct copy_body_data): Replace splay-tree by pointer-map.
1100         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1101         not $(SPLAY_TREE_H).
1102         (gimplify.o): Depend on $(SPLAY_TREE_H).
1103         (omp-low.p): Likewise.
1104
1105 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1106
1107         * config/avr/predicates.md (even_register_operand,
1108         odd_register_operand): New predicates.
1109         * config/avr/avr.md (movw peephole2): New.
1110         (movw_r peephole2): New.
1111
1112 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1113
1114         * tree.h (get_signed_or_unsigned_type): New.
1115         * fold-const.c (operand_equal_for_comparison_p): Use
1116         get_signed_or_unsigned_type instead of
1117         lang_hooks.types.signed_or_unsigned_type.
1118         * expr.c (store_expr): Ditto.
1119         * langhooks.c (get_signed_or_unsigned_type): New.
1120         (lhd_signed_or_unsigned_type): New.
1121         * langhooks.h (lhd_signed_or_unsigned_type): New.
1122         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1123
1124 2007-03-30  Richard Henderson  <rth@redhat.com>
1125
1126         * tree-ssa-loop-ivopts.c: Include target.h.
1127         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1128         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1129         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1130         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1131
1132 2007-03-30  Richard Henderson  <rth@redhat.com>
1133             Kai Tietz  <kai.tietz@onevision.com>
1134
1135         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1136         default for 64-bit.
1137         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1138         (TARGET_64BIT_MS_ABI): New.
1139         (DBX_REGISTER_NUMBER): Handle 64-bit.
1140         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1141         (LONG_TYPE_SIZE): Force to 32.
1142         (REG_PARM_STACK_SPACE): New.
1143         (OUTGOING_REG_PARM_STACK_SPACE): New.
1144         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1145         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1146         (STACK_BOUNDARY): Use 128 for 64-bit.
1147         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1148         Add 64-bit implementation.
1149         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1150         argument unused.
1151         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1152         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1153         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1154         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1155         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1156         TARGET_64BIT_MS_ABI.
1157         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1158         (ix86_pass_by_reference): Likewise.
1159         (ix86_function_value_regno_p): Likewise.
1160         (ix86_build_builtin_va_list): Likewise.
1161         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1162         (function_arg_advance_ms_64): New.
1163         (function_arg_advance): Call it.
1164         (function_arg_ms_64): New.
1165         (function_arg): Call it.
1166         (function_value_ms_64): New.
1167         (ix86_function_value_1): Call it.
1168         (return_in_memory_ms_64): New.
1169         (ix86_return_in_memory): Call it.
1170         (setup_incoming_varargs_ms_64): New.
1171         (ix86_setup_incoming_varargs): Call it.
1172         (ix86_expand_prologue): Handle 64-bit stack probing.
1173         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1174         (output_pic_addr_const): Likewise.
1175         (x86_this_parameter): Likewise.
1176         (x86_output_mi_thunk): Likewise.
1177         (x86_function_profiler): Likewise.
1178         (TARGET_STRICT_ARGUMENT_NAMING): New.
1179         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1180         (TARGET_64BIT_MS_ABI): New.
1181         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1182         * config/i386/i386.md (allocate_stack_worker): Remove.
1183         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1184         describe the clobber of eax without a match_scratch.
1185         (allocate_stack_worker_postreload): Remove.
1186         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1187         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1188         (allocate_stack_worker_rex64_postreload): Remove.
1189         (allocate_stack): Handle 64-bit.
1190         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1191         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1192         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1193         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1194         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1195         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1196         * config.build (x86_64-*-mingw*): New host.
1197         * config.host (x86_64-*-mingw*): New host.
1198         * config.gcc (x86_64-*-mingw*): New target.
1199         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1200
1201 2007-03-30  Richard Henderson  <rth@redhat.com>
1202             Kai Tietz  <kai.tietz@onevision.com>
1203
1204         * c-pragma.c (struct def_pragma_macro_value): New.
1205         (struct def_pragma_macro): New.
1206         (pushed_macro_table): New.
1207         (dpm_hash, dpm_eq): New.
1208         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1209         (init_pragma): Install them.
1210         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1211
1212 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1213
1214         * config/avr/avr.c (avr_override_options): Clear
1215         'flag_delete_null_pointer_checks'.
1216
1217 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1218
1219         PR c++/26099
1220         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1221         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1222         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1223         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1224         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1225         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1226         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1227         C++ extensions.
1228         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1229
1230 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1231
1232         * regmove.c: Move all of pass_stack_adjustments from here...
1233         * combine-stack-adj.c: ...to this new file.
1234         * Makefile.in: Add rules for combine-stack-adj.o.
1235
1236 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1237
1238         PR tree-optimization/31383
1239         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1240         to have the same length.
1241
1242 2007-03-30  Jan Hubicka  <jh@suse.cz>
1243
1244         PR middle-end/30700
1245         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1246         availablility; add more sanity checking; ask varpool only about
1247         VAR_DECL.
1248
1249 2007-03-29  Richard Henderson  <rth@redhat.com>
1250
1251         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1252         to decide, but __SIZEOF_LONG_LONG__.
1253
1254 2007-03-29  Richard Henderson  <rth@redhat.com>
1255
1256         * emutls.c (struct __emutls_array): New.
1257         (emutls_destroy): Use it instead of casting element 0 from void*.
1258         (__emutls_get_address): Likewise.
1259
1260 2007-03-29  Richard Henderson  <rth@redhat.com>
1261
1262         * varasm.c (initializer_constant_valid_p): Don't deny
1263         DECL_DLLIMPORT_P on functions.
1264
1265         * config/i386/cygming.h: Remove function declarations.
1266         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1267         (ASM_OUTPUT_LABELREF): Remove.
1268         (COMMON_ASM_OP): Remove.
1269         (ASM_OUTPUT_COMMON): Remove.
1270         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1271         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1272         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1273         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1274         Rename from TARGET_ENCODE_SECTION_INFO.
1275         * config/i386/netware.h: Likewise.
1276         * config/i386/i386-protos.h: Update.
1277         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1278         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1279         (legitimate_constant_p): Reject dllimports.
1280         (dllimport_map, get_dllimport_decl): New.
1281         (legitimize_dllimport_symbol): New.
1282         (legitimize_address, ix86_expand_move): Use it.
1283         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1284         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1285         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1286         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1287         * config/i386/predicates.md (constant_call_address_operand): Only
1288         accept symbols; reject dllimport_p symbols.
1289         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1290         i386_pe_maybe_record_exported_symbol.
1291         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1292         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1293         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1294         trust the setting of DECL_DLLIMPORT_P.
1295         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1296         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1297         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1298         tidy the argument scanning loop.
1299         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1300         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1301         (i386_pe_strip_name_encoding): Remove.
1302         (i386_pe_binds_local_p): New.
1303         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1304         (i386_pe_output_labelref): Remove.
1305         (i386_pe_asm_output_aligned_decl_common): New.
1306         (i386_pe_maybe_record_exported_symbol): Rename from
1307         i386_pe_record_exported_symbol; check for dllexported symbols.
1308
1309 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1310
1311         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1312         add comment explaining why vsnprintf cannot be used.
1313
1314 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1315
1316         PR tree-optimization/30666
1317         * tree.c (build_complex_type): When creating type names for DWARF2
1318         debug info, create TYPE_DECLs for TYPE_NAME instead of
1319         IDENTIFIER_NODEs.
1320         (build_common_tree_nodes_2): Use build_complex_type when building
1321         predefined complex types, to preserve canonical types.
1322
1323 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1324
1325         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1326         (noce_get_alt_condition): Look at it to determine whether to
1327         reverse the condition or not.
1328         (noce_get_condition): Substitute the truth for lies.
1329         (noce_find_if_block): Set the then_else_reversed field.
1330
1331 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1332
1333         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1334         destination of this insn.
1335         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1336         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1337         'address + 4' rather than a stack based temporary which can be
1338         mis-optimized away.
1339
1340 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1341
1342         * config/s390/s390.c (s390_secondary_input_reload_class,
1343         s390_secondary_output_reload_class): Functions removed.
1344         (s390_secondary_reload): New function.
1345         (TARGET_SECONDARY_RELOAD): Target macro defined.
1346         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1347         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1348         * config/s390/s390.md ("reload_outti", "reload_outdi",
1349         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1350         "reload_out<mode>"): Expanders removed.
1351         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1352         "reload<mode>_nonoffmem_out"): Expanders added.
1353
1354 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1355
1356         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1357         SRC->DEST replacement failed anyway.
1358
1359 2007-03-28  Mike Stump  <mrs@apple.com>
1360
1361         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1362         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1363         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1364
1365 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1366
1367         * config.gcc: Accept barcelona as a variant of amdfam10.
1368         * config/i386/i386.c (override_options): Likewise.
1369         * doc/invoke.texi: Likewise.
1370
1371 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1372
1373         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1374         offsets for BIT_FIELD_REF and COMPONENT_REF.
1375
1376 2007-03-28  Richard Guenther  <rguenther@suse.de>
1377
1378         * tree.c (is_global_var): Move ...
1379         * tree-flow-inline.h (is_global_var): ... here.
1380         * tree.h (is_global_var): Remove declaration.
1381
1382 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1383
1384         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1385         option.
1386         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1387         * config/i386/i386.c (ix86_tune_features): Initialize new
1388         tuning option.
1389         * config/i386/predicates.md (promotable_binary_operator): Use
1390         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1391
1392 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1393
1394         PR target/31380
1395         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1396
1397 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1398
1399         * config/fr30/fr30.md (movsi_internal): Change destination
1400         constraint from m to V and add m to the end.
1401
1402 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1403
1404         * config/sh/sh.md (movsi_i): Fix type attribute.
1405
1406 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1407
1408         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1409         (movsf_ie): Likewise.
1410
1411 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1412
1413         * config.gcc: Add sh4-300 to multilib.
1414         * config/sh/t-mlib-sh4-300: New file.
1415
1416 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1417
1418         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1419         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1420         fix_trunc<mode>di2.
1421         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1422         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1423         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1424         "fixuns_trunctddi2"): Whitespace fix.
1425
1426 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1427
1428         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1429         the definition of struct sh_args.
1430         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1431         CALL_COOKIE_INT_REG_GET): Likewise.
1432
1433 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1434
1435         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1436         transformations are applied successfully.
1437
1438 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1439
1440         * tree.c (tree_contains_struct): Permit 512 tree codes.
1441         * tree.h (tree_contains_struct): Ditto.
1442         (MAX_TREE_CODES): Ditto.
1443         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1444         SPARE member to store remaining padding bits.
1445
1446 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1447
1448         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1449         architecture.
1450
1451 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1452
1453         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1454         * configure: Regenerate.
1455
1456         * configure: Regenerate using the correct version of autoconf.
1457
1458 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1459
1460         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1461         pointer regs.
1462         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1463         regs to "__SP_L__" and "__SP_H__".
1464
1465 2007-03-27  Richard Guenther  <rguenther@suse.de>
1466
1467         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1468         computations with it with a HOST_WIDE_INT variable.
1469
1470 2007-03-26  Mike Stump  <mrs@apple.com>
1471
1472         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1473         objective-c-header, objective-c++-header and objc++-cpp-output
1474         support.
1475         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1476
1477 2007-03-26  Richard Henderson  <rth@redhat.com>
1478
1479         PR target/31361
1480         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1481         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1482         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1483         IX86_BUILTIN_PSRLQ128): New.
1484         (ix86_init_mmx_sse_builtins): Add them.
1485         (ix86_expand_builtin): Expand them.
1486         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1487         operand 2 be TImode.
1488         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1489         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1490         _mm_srli_epi64): Mark __B const.
1491         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1492         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1493         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1494         new two-vector shift builtins.
1495
1496 2007-03-26  Ian Lance Taylor  <iant@google.com>
1497
1498         PR tree-optimization/31345
1499         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1500         [+INF, +INF(OVF)] into VARYING.
1501
1502 2007-03-26  Zack Weinberg  <zackw@panix.com>
1503
1504         * gengtype-parse.c: New file.
1505         * gengtype-yacc.y: Delete.
1506         * gengtype-lex.l: Don't include gengtype-yacc.h.
1507         Define YY_DECL and yyterminate appropriately for recursive
1508         descent parser.  yylval is now a string out-parameter to yylex.
1509         (HWS, EOID): New shorthand.
1510         (IWORD): Add a couple more types.
1511         (yylex): Add a setup stanza.  Remove the complex rules for
1512         detecting GTY'ed types and typedefs; replace with simple
1513         keyword detectors.  Adjust everything for the changed
1514         definition of yylval.  Ignore all pp-directives, not just #define.
1515         (yyerror): Delete.
1516         (parse_file): Rename yybegin; do not call yyparse.
1517         (yyend): New.
1518         * gengtype.c (xasprintf): Export again.
1519         (this_file): New.  Use everywhere __FILE__ was being used.
1520         (get_lang_bitmap): Special case types defined in gengtype.c.
1521         (do_typedef, new_structure): Suppress definition of certain types.
1522         (new_structure): Improve diagnostics of duplicate definitions.
1523         Make sure location_s is associated with input.h.
1524         (nreverse_pairs, define_location_structures): New functions.
1525         (main): Improve tagging of kludge types.  Remove old kludges
1526         for input.h types; use define_location_structures.
1527         * gengtype.h: Update prototypes.  Define token codes here.
1528         * Makefile.in: Remove all references to gengtype-yacc.
1529         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1530         and gengtype.
1531         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1532         add GTY((skip)) to the field that's only conditionally there.
1533         * doc/install.texi: Document that Bison is no longer required
1534         unless building treelang.
1535
1536         * gengtype.c: Don't include gtyp-gen.h.
1537         (srcdir): Declare here.
1538         (base_files, lang_dir_names): Allocate dynamically.
1539         (gt_files, num_gt_files, num_lang_dirs): New globals.
1540         (measure_input_list, read_input_line, read_input_list)
1541         (set_lang_bitmap): New functions.
1542         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1543         simplify, relying on read_input_list to set up the bitmaps.
1544         (main): Arguments are no longer unused.  Check for correct number
1545         of command line arguments, set srcdir and srcdir_len, then call
1546         read_input_list, before doing anything else.  No need to worry
1547         about duplicates in main loop.
1548         * configure.ac: Simplify the calculation of all_gtfiles.
1549         Put language tags in there.  Don't set or substitute
1550         all_gtfiles_files_langs or all_gtfiles_files_frags.
1551         * Makefile.in: Revamp the way gengtype is invoked, now that it
1552         takes a file on its command line with a much simpler format.
1553         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1554         (GTFILES): Remove duplicates and C source files.
1555         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1556         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1557         * configure: Regenerate.
1558
1559         * gengtype.h: Remove all type definitions to gengtype.c; leave
1560         only definitions of options_p, type_p, and pair_p as opaque
1561         pointers.  Update prototypes.
1562         * gengtype.c: Many type definitions moved here from gengtype.h.
1563         Consolidate type definitions at the top of the file.
1564         (xvasprintf): Delete.
1565         (xasprintf): Make static.
1566         (create_nested_pointer_option): Add 'next' parameter.
1567         (create_field_all, create_field_at): New functions.
1568         (create_field): Now a thin wrapper around create_field_all.
1569         (create_optional_field): Rename create_optional_field_ and add
1570         line argument.  Original name is now a macro which supplies
1571         __LINE__.
1572         (oprintf): Use vsnprintf directly.
1573         (close_output_files): Use fatal rather than perror/exit.
1574         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1575         (main): Set progname.  Don't use exit.
1576         * gengtype-yacc.y (struct_fields): Use create_field_at.
1577         (option, optionseqopt): Delete.
1578         (optionseq): Consolidate productions from option here so we
1579         can use the first argument to create_option.
1580
1581         * gengtype-lex.l: Distinguish unions from structures in the
1582         token type.  Don't call find_structure; return the tag as a string.
1583         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1584         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1585         Reorganize typedef_struct production accordingly.
1586         Use create_nested_ptr_option.
1587         * gengtype.c (create_nested_ptr_option): New function.
1588         * gengtype.h: Declare it.
1589
1590         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1591         (string_type): Don't declare.
1592         (do_scalar_typedef): Declare.
1593         (create_scalar_type): Update prototype.
1594         * gengtype.c (string_type): Make static.
1595         (scalar_nonchar, scalar_char): New.
1596         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1597         (resolve_typedef): Use scalar_nonchar for error recovery.
1598         (create_scalar_type): Remove name_len field.  Return scalar_char
1599         or scalar_nonchar as appropriate.
1600         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1601         to use string_type.
1602         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1603         whenever possible.
1604         (main): Initialize scalar_char and scalar_nonchar before calling
1605         gen_rtx_next.
1606         * gengtype-lex.l: Adjust for removal of second argument to
1607         create_scalar_type.  Use yylval.s instead of yylval.t when
1608         returning SCALAR.
1609         * gengtype-yacc.y: Type of SCALAR is string.  Call
1610         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1611         second argument to create_scalar_type.
1612
1613         * vec.h: Remove all #if IN_GENGTYPE blocks.
1614         Add comment saying that changes may require adjustments to gengtype.
1615         * gengtype.c: Don't include coretypes.h or tm.h.
1616         Add comment to inclusion of errors.h.
1617         (note_def_vec, note_def_vec_alloc): New functions.
1618         * gengtype.h: Declare new functions.
1619         * gengtype-lex.l: Don't include coretypes.h.
1620         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1621         Delete.
1622         (update_lineno): Remove unnecessary prototype.
1623         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1624         (VEC rule): Just return VEC_TOKEN.
1625         * gengtype-yacc.y (VEC_TOKEN): New token type.
1626         (type): Add a production for VEC(a,b).
1627         * Makefile.in: Update dependencies.
1628
1629         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1630         typedefs that use the old PARAMS macro.
1631
1632         * gengtype-lex.l: Remove all rules and states relating to yacc
1633         input files.
1634         * gengtype-yacc.y: Similarly.
1635         * gengtype.c (note_yacc_type): Delete function.
1636         * gengtype.h: Update prototypes.
1637
1638 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1639
1640         * tree-pretty-print.c (dump_generic_node): Report precision of
1641         unnamed integer types.
1642
1643 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1644
1645         * ifcvt.c (noce_try_store_flag_constants): Don't check
1646         no_new_pseudos here.
1647         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1648         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1649         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1650         noce_try_sign_mask): Likewise.
1651         (if_convert): Check no_new_pseudos here.
1652
1653         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1654         Remove prototypes.
1655         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1656         (noce_get_condition): Handle new then_else_reversed argument.
1657         (noce_init_if_info): Remove, fold into noce_find_if_block.
1658         (noce_process_if_block): Take a struct noce_if_info as the
1659         argument.  Don't set up one based on ce_if_info.  Update pointer
1660         references accordingly.
1661         (cond_move_process_if_block): Likewise.
1662         (process_if_block): Removed.
1663         (find_if_block): Removed.  Move functionality two new functions,
1664         noce_find_if_block and cond_exec_find_if_block.
1665         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1666         blocks and the symmetric IF-ELSE-JOIN case.
1667         (cond_exec_find_if_block): Also new function mostly based on old
1668         find_if_block and process_if_block.
1669         (find_if_header): Replace find_if_block call with separately
1670         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1671         (find_cond_trap): Update noce_get_condition call.
1672         (dead_or_predicable): Likewise.
1673
1674 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1675
1676         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1677         Remove.
1678         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1679         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1680         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1681         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1682         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1683         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1684         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1685         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1686         __builtin_ia32_psrad128 builtins.
1687
1688 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1691         * config/i386/constraints.md
1692         (define_constraint "I"): Use IN_RANGE macro.
1693         (define_constraint "J"): Ditto.
1694         (define_constraint "K"): Ditto.
1695         (define_constraint "M"): Ditto.
1696         (define_constraint "N"): Ditto.
1697         (define_constraint "O"): Ditto.
1698         * config/i386/predicates.md
1699         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1700         (define_predicate "const_0_to_3_operand"): Ditto.
1701         (define_predicate "const_0_to_7_operand"): Ditto.
1702         (define_predicate "const_0_to_15_operand"): Ditto.
1703         (define_predicate "const_0_to_63_operand"): Ditto.
1704         (define_predicate "const_0_to_255_operand"): Ditto.
1705         (define_predicate "const_1_to_31_operand"): Ditto.
1706         (define_predicate "const_2_to_3_operand"): Ditto.
1707         (define_predicate "const_4_to_7_operand"): Ditto.
1708
1709 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1710
1711         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1712         in SImode for save_world.
1713         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1714         LR hard reg.
1715
1716 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1717
1718         PR tree-optimization/30784
1719         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1720         BIT_FIELD_REF.
1721
1722 2007-03-25  Revital Eres  <eres@il.ibm.com>
1723
1724         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1725           Fold movement_possibility function into it.
1726
1727 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1728
1729         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1730         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1731         (call_indirect_nonlocal_darwin64): Same.
1732         (call_nonlocal_darwin64): Same.
1733         (call_value_indirect_nonlocal_darwin64): Same.
1734         (call_value_nonlocal_darwin64): Same.
1735         (sibcall_nonlocal_darwin64): Same.
1736         (sibcall_value_nonlocal_darwin64): Same.
1737         (sibcall_symbolic_64): Same.
1738         (sibcall_value_symbolic_64): Same.
1739         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1740         LR pseudo.
1741         (rs6000_emit_load_toc_table): Same.
1742         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1743         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1744         (mull_call): Same.
1745         (divss_call): Same.
1746         (divus_call): Same.
1747         (quoss_call): Same.
1748         (quous_call): Same.
1749         (load_toc_v4_pic_si): Same
1750         (load_toc_v4_PIC_1): Same.
1751         (load_toc_v4_PIC_1b): Same.
1752         (call_indirect_aix{32,64}): Same.
1753         (call_value_indirect_aix{32,64}): Same.
1754         (call): Same.
1755         (call_value): Same.
1756         (call_local{32,64}): Same.
1757         (call_value_local{32,64}): Same.
1758         (call_indirect_nonlocal_aix{32,64}): Same.
1759         (call_nonlocal_aix{32,64}): Same.
1760         (call_value_indirect_nonlocal_aix{32,64}): Same.
1761         (call_value_nonlocal_aix{32,64}): Same.
1762         (call_indirect_nonlocal_sysv<mode>): Same.
1763         (call_nonlocal_sysv<mode>): Same.
1764         (call_value_indirect_nonlocal_sysv<mode>): Same.
1765         (call_value_nonlocal_sysv<mode>): Same.
1766         (sibcall): Same.
1767         (sibcall_local{32,64}): Same.
1768         (sibcall_value_local{32,64}): Same.
1769         (sibcall_nonlocal_aix{32,64}): Same.
1770         (sibcall_value_nonlocal_aix{32,64}): Same.
1771         (sibcall_nonlocal_sysv<mode>): Same.
1772         (sibcall_value): Same.
1773         (sibcall_value_nonlocal_sysv<mode>): Same.
1774
1775 2007-03-24  Paul Brook  <paul@codesourcery.com>
1776
1777         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1778         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1779
1780 2007-03-24  Richard Henderson  <rth@redhat.com>
1781
1782         * config/ia64/constraints.md: New file.
1783         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1784         satisfies_constraint_?.
1785         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1786         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1787         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1788         ia64_output_mi_thunk): Likewise.
1789         (ia64_const_ok_for_letter_p): Remove.
1790         (ia64_const_double_ok_for_letter_p): Remove.
1791         (ia64_extra_constraint): Remove.
1792         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1793         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1794         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1795         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1796         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1797         EXTRA_MEMORY_CONSTRAINT): Remove.
1798         * config/ia64/ia64.md: Include constriants.md.  Replace
1799         CONST_OK_FOR_? with satisfies_constraint_?.
1800
1801 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1802             H.J. Lu  <hongjiu.lu@intel.com>
1803
1804         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1805         DPD or BID name.
1806         (name macros): Use DPD_BID_NAME to convert names properly.
1807
1808         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1809         decimal floating point format.
1810         (init_floating_libfuncs): Change decimal functions so that they
1811         have a "bid_" prefix if the decimal system uses the BID format,
1812         and "dpd_" prefix if the decimal system uses the DPD format.
1813         (init_interclass_conv_libfuncs): Ditto.
1814         (init_intraclass_conv_libfuncs): Ditto.
1815
1816         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1817         using the BID format.
1818
1819         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1820         whether we are using the BID decimal format.
1821         * configure: Regenerate.
1822
1823         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1824         the compiler has decimal floating point enabled.  Define
1825         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1826         instead of DPD.
1827
1828         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1829         using the BID format.
1830
1831         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1832         whether we are using the BID decimal format.
1833         * configure: Regenerate.
1834
1835         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1836         the compiler has decimal floating point enabled.  Define
1837         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1838         instead of DPD.
1839
1840         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1841         options, and that it is enabled for i386/x86_64 systems.
1842
1843         * Makefile.in (enable_decimal_float): New.
1844         (DECNUMFMT): New.
1845         (DECNUMINC): Add  -I$(DECNUMFMT).
1846         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1847         to $(DECNUMFMT) from $(DECNUM).
1848
1849         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1850         Substitute enable_decimal_float.
1851         * configure: Regenerated.
1852
1853         PR other/30529
1854         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1855         unsigned long.
1856
1857         * configure.ac: Enable decimal float for x86_64-*-linux*.
1858         * configure: Regenerated.
1859
1860         PR other/30530
1861         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1862         decimal128ClearSign to flip and clear the sign bit in decimal128.
1863         (decimal_real_maxval): Set decimal128SetSign to set the sign
1864         bit in decimal128.
1865
1866 2007-03-23  Ian Lance Taylor  <iant@google.com>
1867
1868         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1869
1870 2007-03-23  Ian Lance Taylor  <iant@google.com>
1871
1872         * tree-dump.c (dump_files): Correct comment.
1873
1874 2007-03-23  Ian Lance Taylor  <iant@google.com>
1875
1876         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1877
1878 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1879
1880         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1881         in cfglayout mode.  Don't go into and out of cfglayout mode.
1882         Link the blocks in the order of the constructed traces.
1883         (rest_of_handle_tracer): Adjust call to tracer.
1884         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1885         Don't go into cfglayout mode.
1886         (rtl_loop_done): Don't go out of cfglayout mode.
1887         * cfglayout.c (relink_block_chain): New function, split out from...
1888         (fixup_reorder_chain): ...here.  Remove redundant checking.
1889         (cfg_layout_finalize): Don't clear the header, footer, and aux
1890         fields here, move the code to do so to relink_block_chain.  Likewise
1891         for free_original_copy_tables.
1892         * rtl.h (tracer): Update prototype.
1893         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1894         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1895         mode.  Use relink_block_chain to serialize the CFG according to the
1896         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1897         here...
1898         (gate_handle_reorder_blocks): ...to here.
1899         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1900         from here...
1901         (gate_duplicate_computed_gotos): ...to here.
1902         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1903         something always changes when going into and out of cfglayout mode.
1904         Perform an expensive cfg cleanup while going into cfglayout mode.
1905         Always update liveness information on HAVE_conditional_execution
1906         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1907         * reg-stack.c: Include cfglayout.h.
1908         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1909         the call to reorder_basic_blocks.
1910         * basic-block.h (reorder_basic_blocks): Update prototype.
1911         (relink_block_chain): New prototype.
1912         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1913
1914 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1915
1916         * config/mips/mips.md (type, hazard, *movdi_32bit,
1917         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1918         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1919         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1920         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1921         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1922         applicable.
1923         (movcc): Change first xfer to multi.
1924         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1925         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1926         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1927         config/mips/generic.md: Change reservations using "xfer" to use
1928         "mfc,mtc".
1929         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1930         using match_operand.
1931         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1932         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1933         examining mode.
1934         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1935
1936 2007-03-22  Richard Henderson  <rth@redhat.com>
1937
1938         * config/i386/i386.c: Remove unnecessary function declarations.
1939         Move targetm definition, and all related macros, to the end of
1940         the file.  Resort some functions to put definitions before uses.
1941         (ix86_attribute_table): Make static.  Move to end of file.
1942         (ix86_gimplify_va_arg): Make static.
1943
1944 2007-03-22  Richard Henderson  <rth@redhat.com>
1945
1946         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1947         don't increase local_regparm with force_align_arg_pointer check.
1948         (ix86_function_sseregparm): Assert 32-bit.
1949         (type_has_variadic_args_p): New.
1950         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1951         type_has_variadic_args_p.
1952         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1953         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1954         use memset instead.  Do maybe_vaarg check first; skip attribute
1955         tests if true; skip attribute tests for 64-bit.
1956         (construct_container): Remove TARGET_DEBUG_ARG.
1957         (function_arg_advance_32, function_arg_advance_64): Split out ...
1958         (function_arg_advance): ... from here.
1959         (function_arg_32, function_arg_64): Split out ...
1960         (function_arg): ... from here.
1961         (ix86_pass_by_reference): Tidy.
1962         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1963         (function_value_32): New, from parts of ix86_function_value
1964         and ix86_value_regno.
1965         (function_value_64): New, from parts of ix86_function_value
1966         and ix86_libcall_value.
1967         (ix86_function_value_1): New.
1968         (ix86_function_value, ix86_libcall_value): Use it.
1969         (return_in_memory_32, return_in_memory_64): Split out ...
1970         (ix86_return_in_memory): ... from here.
1971         (ix86_struct_value_rtx): Skip for 64-bit.
1972         (ix86_libcall_value, ix86_value_regno): Remove.
1973         (setup_incoming_varargs_64): Split out ...
1974         (ix86_setup_incoming_varargs): ... from here.
1975         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1976         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1977         * config/i386/i386-protos.h (ix86_function_value): Remove.
1978         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1979
1980 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1981
1982         PR other/23572
1983         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1984         infinities not supported, otherwise emit warning if -Woverflow. On
1985         underflow, emit warning if -Woverflow.
1986         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1987         and 0 otherwise.
1988         * real.h (real_from_string): Update declaration
1989
1990 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1991             Richard Henderson  <rth@redhat.com>
1992
1993         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1994         * calls.c (compute_argument_block_size, expand_call,
1995         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1996         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1997         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1998         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1999         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2000         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2001         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2002         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2003         Set to 1.
2004
2005 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2006
2007         * c-incpath.c (add_sysroot_to_chain): New.
2008         (merge_include_chains): Add sysroot argument.  Call
2009         add_sysroot_to_chain if sysrooted.
2010         (register_include_chains): Update call to merge_include_chains.
2011         * doc/cppopts.texi: Document use of '=' in include directory
2012         arguments.
2013
2014 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2015
2016         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2017         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2018         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2019         insn pattern using X87MODEF12 mode macro.
2020
2021 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2022
2023         * regmove.c (regmove_optimize): Use reg_mentioned_p
2024         instead of reg_overlap_mentioned_p for DST.
2025
2026 2007-03-21  Mike Stump  <mrs@apple.com>
2027
2028         * c.opt: Fixup for Objective-C/C++.
2029
2030 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2031
2032         * explow.c (convert_memory_address): Fold memory reference when
2033         POINTERS_EXTEND_UNSIGNED < 0
2034
2035 2007-03-21  Richard Henderson  <rth@redhat.com>
2036
2037         PR target/31245
2038         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2039         * config/i386/mmintrin.h (__m64): Likewise.
2040         * config/i386/xmmintrin.h (__m128): Likewise.
2041
2042 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2043
2044         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2045         (VXWORKS_OS_CPP_BUILTINS): Define.
2046         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2047         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2048
2049 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2050
2051         * rtl.h (constant_pool_reference_p): Delete.
2052         (find_constant_src): Declare.
2053         * rtlanal.c (find_constant_src): New function.
2054         * simplify-rtx.c (constant_pool_reference_p): Delete.
2055         * config/i386/i386.md: Use find_constant_src instead of
2056         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2057
2058 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2059
2060         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2061         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2062
2063 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2064
2065         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2066         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2067         (arm_elf_asm_constructor): Use it.
2068         (arm_elf_asm_destructor): New function.
2069
2070 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2071
2072         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2073
2074 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2075
2076         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2077
2078 2007-03-19  Andrew Haley  <aph@redhat.com>
2079
2080         PR tree-optimization/31264
2081         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2082         VIEW_CONVERT_EXPRs.
2083
2084 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2085
2086         PR rtl-optimization/30907
2087         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2088         (fwprop_init): Always call loop_optimizer_initialize.
2089         (fwprop_done): Always call loop_optimizer_finalize.
2090         (fwprop): We always have loop info now.
2091         (gate_fwprop_addr): Remove.
2092         (pass_fwprop_addr): Use gate_fwprop as gate.
2093
2094         PR rtl-optimization/30841
2095         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2096         df_chain_alloc): Call df_reorganize_refs unconditionally.
2097         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2098         refs_organized to refs_organized_size.
2099         (df_ref_create_structure): Use refs_organized_size instead of
2100         bitmap_size if refs had been organized, and keep refs_organized_size
2101         up-to-date.
2102         * df.h (struct df_ref_info): Change refs_organized to
2103         refs_organized_size.
2104         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2105         bitmap_size.
2106
2107 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2108
2109         * except.c (output_function_exception_table): Do not reference the
2110         EH personality routine for functions that do not require an
2111         exception table.
2112
2113 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2114
2115         PR c/30762
2116         * c-typeck.c (convert_for_assignment): Call comptypes for
2117         RECORD_TYPE or UNION_TYPE.
2118
2119         PR inline-asm/30505
2120         * reload1.c (reload): Do invalid ASM checking after
2121         cleanup_subreg_operands.
2122
2123 2007-03-19  Jeff Law  <law@redhat.com>
2124
2125         * tree-cfg.c (find_taken_edge): Tighten conditions for
2126         optimizing computed gotos.
2127
2128 2007-03-19  Michael Matz  <matz@suse.de>
2129
2130         * builtins.c (expand_builtin_sync_operation,
2131         expand_builtin_compare_and_swap,
2132         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2133         correctly.
2134
2135         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2136         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2137         for operand 3.
2138
2139 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2140
2141         * doc/tm.texi: Add brackets around the return type of
2142         TARGET_SECONDARY_RELOAD.
2143
2144 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2145         Richard Guenther  <rguenther@suse.de>
2146
2147         PR tree-optimization/31254
2148         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2149         Use handled_component_p () where appropriate.  Continue
2150         propagating into the rhs if we propagated into an INDIRECT_REF
2151         on the lhs.
2152
2153 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2154
2155         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2156         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2157         (xde, xdee): Mode attributes adjusted to support DFP modes.
2158         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2159         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2160         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2161         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2162         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2163         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2164         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2165         numbers.
2166         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2167         "movsf"): Insn definitions removed.
2168         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2169         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2170         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2171         definitions added.
2172         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2173         "reload_in<mode>", "reload_out<mode>"): Expander added.
2174         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2175         Expander removed.
2176
2177 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2178
2179         * config/s390/s390.md: Only non-functional changes.  Renamed
2180         FPR mode macro to BFP all over the file.
2181
2182 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2183
2184         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2185         (op_type attribute): RRF instruction type added.
2186         (fT0): New mode attribute.
2187         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2188         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2189         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2190         no secondary memory is needed when moving DFmode values between GPRs
2191         and FPRs.
2192
2193 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2194
2195         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2196         inverted and documentation adjusted.
2197         ("mhard-dfp", "msoft-dfp"): New options.
2198         * config/s390/s390.c (s390_handle_arch_option): New architecture
2199         switch: z9-ec.
2200         (override_options): Sanity checks for the new options added.
2201         * config.gcc: New architecture switch: z9-ec.
2202         * config/s390/s390.h (processor_flags): PF_DFP added.
2203         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2204         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2205         when the bit is NOT set so remove it from the defaults.
2206
2207 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2208
2209         * genemit.c (main): Print include statement for dfp.h.
2210         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2211         is not available.
2212
2213 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2214
2215         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2216
2217 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2218
2219         PR target/31022
2220         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2221         instead of PATTERN.
2222
2223 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2224
2225         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2226         attr_length_call, output_call, output_indirect_call): Cleanup
2227         formatting of targetm calls.
2228
2229 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2230
2231         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2232
2233 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2234
2235         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2236         reservation, bypass and anti-bypass descriptions for these instructions.
2237         Update move patterns.
2238         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2239         TYPE_FPSTORE.
2240
2241 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2242
2243         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2244         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2245         (get_initial_def_for_reduction): Likewise.
2246
2247 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2248
2249         Fix PR tree-optimization/29922
2250         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2251         (get_representative): Removed.
2252         (value_dies_in_block_x): Update for rvuse removal.
2253         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2254         (compute_antic_aux): Handle when PHI nodes appear in
2255         non-single-successors.
2256         (dump_bitmap_of_names): Removed.
2257         (compute_antic_safe): Renamed and removed rvuse calculation.
2258         Calculate only antic safe.
2259         (insert_into_preds_of_block): Remove assert.
2260         (execute_pre): Update for renamed functions.
2261         (defer_or_phi_translate_block): New function.
2262
2263 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2264
2265         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2266         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2267         typos.
2268         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2269         Follow spelling conventions.
2270
2271         * tree-data-ref.h: Remove the prototype for analyze_array.
2272
2273 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2274
2275         PR tree-optimization/31041
2276         * tree-vect-transform.c (get_initial_def_for_induction): Call
2277         force_gimple_operand.
2278
2279 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2280
2281         * ipa-type-escape.c (look_for_casts) : Revert code to use
2282         handled_component_p due to ada test a-numaux.adb.
2283
2284 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2285
2286         * final.c (final_scan_insn): Alter the condition of a
2287         conditional trap if we have nonstandard CC.
2288
2289 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2290
2291         * configure.ac: Remove excess quoting from asm line 0 test.
2292         * configure: Rebuilt.
2293
2294 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2295
2296         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2297         * c-common.c (convert_and_check): Move warning logic to...
2298         (warnings_for_convert_and_check): ...here. Define.
2299         * c-common.h (warnings_for_convert_and_check): Declare.
2300
2301 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2302
2303         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2304         (output_call): Likewise.
2305
2306 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2307
2308         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2309
2310 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2311
2312         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2313
2314 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2315
2316         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2317         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2318
2319 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2320
2321         PR tree-optimization/31183
2322         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2323         Use double_int instead of unsigned int for representing access_strides.
2324         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2325
2326 2007-03-16  Richard Guenther  <rguenther@suse.de>
2327
2328         PR tree-optimization/31146
2329         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2330         to allow recursion of forward_propagate_addr_expr.
2331         (forward_propagate_addr_into_variable_array_index): Likewise.
2332         (forward_propagate_addr_expr): Likewise.
2333         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2334         (forward_propagate_addr_expr_1): Recurse on simple copies
2335         instead of propagating into them.  Do so for useless conversions
2336         as well.
2337         (forward_propagate_addr_expr): Clean up unused statements after
2338         recursion.
2339
2340 2007-03-16  Richard Guenther  <rguenther@suse.de>
2341
2342         * builtins.c (expand_builtin_cexpi): Use the right argument
2343         for the expansion via cexp.
2344
2345 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2346
2347         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2348         * configure: Rebuilt.
2349
2350 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2351
2352         PR debug/29906
2353         * dwarf2out.c (force_type_die): Adjust comment.
2354         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2355
2356 2007-03-15  DJ Delorie  <dj@redhat.com>
2357
2358         * config/frv/predicates.md (minmax_operator): Don't check operands
2359         here.
2360
2361 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2362
2363         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2364         Update constant estimates of number of iterations.
2365         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2366         argument renamed to "realistic".
2367         (compute_estimated_nb_iterations): Removed.
2368         (record_niter_bound): New function.
2369         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2370         call record_nonwrapping_iv with upper = false.
2371         (infer_loop_bounds_from_signedness): Pass upper argument to
2372         record_nonwrapping_iv.
2373         (estimate_numbers_of_iterations_loop): Do not call
2374         compute_estimated_nb_iterations.  Record estimate based on profile
2375         information.  Initialize the constant estimates of number of
2376         iterations.
2377         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2378         estimates.
2379         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2380         number of iterations is too small.
2381         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2382         (EST_NOT_AVAILABLE): Removed.
2383         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2384         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2385         fields.
2386
2387 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2388
2389         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2390         Handle NE_EXPR guards.
2391
2392 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2393
2394         PR c++/24924
2395         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2396         Set also -pedantic-errors by default for the  preprocessor unless
2397         -fpermissive is given.
2398
2399 2007-03-15  Richard Guenther  <rguenther@suse.de>
2400
2401         PR middle-end/29719
2402         PR middle-end/31161
2403         * builtins.c (expand_builtin_cexpi): As a fallback if we
2404         don't have builtins for sincos or cexp create a function
2405         declaration for cexp and expand to a call to that.
2406         (expand_builtin_int_roundingfn): Always fall
2407         back to floor/ceil and its variants even if they may be
2408         not available.
2409
2410 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2411
2412         PR middle-end/31159
2413         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2414         jump tables, move the call to delete_dead_jumptables from here...
2415         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2416         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2417         don't allow merging of blocks that try_redirect_by_replacing_jump
2418         also does not handle when not optimizing.
2419
2420 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2421             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2422
2423         * config/i386/i386.md (x86_sahf_1): Correctly handle
2424         HAVE_AS_IX86_SAHF.
2425
2426 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2427
2428         PR target/31167
2429         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2430         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2431         from operand constraints and use "e" constraint instead.
2432         (*subti3_1, *subti3_1 splitter): Ditto.
2433         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2434         operand[1] predicate.
2435
2436 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2437
2438         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2439         arrays, multiply the access strides by the size of the sub-array.
2440         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2441
2442 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2443
2444         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2445         the configured assembler supports the sahf mnemonic.
2446         * configure: Regenerate.
2447         * config.in: Regenerate.
2448
2449         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2450         emit "sahf" or ".byte\t0x9e" as asm template.
2451
2452 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2453
2454         PR 31018
2455         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2456         option to replace hard coded TARGET_xxx in md file.
2457         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2458         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2459         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2460         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2461         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2462         (X86_TUNE_NOT_VECTORMODE): Ditto.
2463         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2464         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2465         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2466         (TUNE_SLOW_IMUL_IMM8): Ditto.
2467         (TUNE_MOVE_M1_VIA_OR): Ditto.
2468         (TUNE_NOT_UNPAIRABLE): Ditto.
2469         (TUNE_NOT_VECTORMODE): Ditto.
2470
2471         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2472         options.
2473
2474         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2475         tuning options instead of hard coded TARGET_xxx.
2476         (fix ssemode peephole2's): Ditto.
2477         (imul peephole2's): Ditto.
2478         (movsi_or): Ditto.
2479         (movdi_or_rex64): Ditto.
2480         (move peephole2): Ditto.
2481         (not peephole2's): Ditto.
2482
2483 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2484
2485         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2486         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2487         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2488         of empty body.
2489         * c-parser.c (c_parser_do_statement): Warn about empty body in
2490         do/while statement.
2491         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2492         * doc/invoke.texi (-Wempty-body): Update documentation.
2493
2494 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2495
2496         PR c/21438
2497         * c-common.h (warn_for_div_by_zero): Declare.
2498         * c-common.c (warn_for_div_by_zero): Define.
2499         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2500         warning.
2501
2502 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2503
2504         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2505         to PREFIX and STANDARD_PREFIX.
2506
2507 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2508             Phil Edwards  <phil@codesourcery.com>
2509
2510         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2511         (__gthread_once_t): Remove busy field for RTPs.
2512         (__GTHREAD_ONCE_INIT): Update accordingly.
2513
2514 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2515
2516         * doc/invoke.texi: Document VxWorks options.
2517
2518 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2519
2520         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2521
2522 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2523
2524         PR tree-optimization/30590
2525         * tree-nrv.c (tree_nrv): Check for the partial update of the
2526         return value.
2527
2528 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2529
2530         * flags.h (flag_random_seed): Remove declaration, in favor of...
2531         * toplev.h (get_random_seed, set_random_seed): ... these.
2532         * tree.c (get_file_function_name): Use the former.
2533         * opts.c (common_handle_option): Use the latter.
2534         * toplev.c
2535
2536 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2537
2538         PR middle-end/31127
2539         * cse.c (cse_find_path): Do not bail out if a basic block that
2540         we already visited now becomes part of a path that starts at a
2541         different basic block.  Just disallow this, to make sure we
2542         visit each basic block at most once.
2543
2544 2007-03-13  Jan Hubicka  <jh@suse.cz>
2545
2546         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2547         when profile esitmate is present, calls with very low frequency are
2548         cold.
2549
2550 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2551
2552         PR tree-optimization/30730
2553         PR tree-optimization/26900
2554         * tree-ssa-loop-niter.c: Include gmp.h.
2555         (bounds): New type.
2556         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2557         split_to_var_and_offset, determine_value_range,
2558         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2559         bound_difference, bounds_add, bounds_negate,
2560         number_of_iterations_ne_max, dump_affine_iv): New functions.
2561         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2562         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2563         difference of initial and final value of control iv to validate
2564         results.
2565         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2566         on the difference of the extremes of the control iv.  Add dumps.
2567         (expand_simple_operations): Handle phi nodes.
2568         (simplify_using_initial_conditions): Do not record used conditions.
2569         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2570         Do not set additional_info.
2571         (implies_nonnegative_p, implies_ge_p): Removed.
2572         (derive_constant_upper_bound): Do not use parameter `additional'.
2573         (record_estimate): Parameter `additional' removed.  Parameter
2574         `i_bound' added.  Do not call derive_constant_upper_bound.
2575         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2576         bound the number of iterations estimate.
2577         (estimate_numbers_of_iterations_loop): Pass the estimate from
2578         the number of iterations analysis to record_estimate.
2579         * tree.h (multiple_of_p): Declare.
2580         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2581         (scev_const_prop): Do not check expression_expensive_p.
2582         * fold-const.c (multiple_of_p): Exported.
2583         * double-int.c (double_int_mask): Exported.
2584         * double-int.h (double_int_mask): Declare.
2585         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2586         field.  Added max field.
2587
2588 2007-03-13  David Taylor  <taylor@candd.org>
2589
2590         PR driver/12448:
2591         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2592         default -MQ.
2593
2594 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2595
2596         PR target/31123
2597         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2598         two unamed patterns.
2599
2600 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2601
2602         * config/i386/i386.opt (mcx16, msahf): New options.
2603         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2604         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2605
2606         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2607         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2608         Output -mcx16 and -msahf options when corresponding bit is set.
2609
2610         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2611         and -msahf options.
2612
2613 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2614
2615         * configure.ac: Test for assembler tolerance to # 0 "".
2616         * configure, config.in: Rebuilt.
2617         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2618
2619 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2620
2621         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2622
2623         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2624         (handle_syscall): Handle direct system calls.
2625         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2626
2627 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2628
2629         * doc/invoke.texi: Fix cpp.info cross-reference.
2630         * doc/passes.texi: Fix gcc.info cross-reference.
2631
2632 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2633
2634         PR tree-optimization/30835
2635         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2636         bb_for_stmt is not NULL before accessing it.
2637
2638 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2639
2640         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2641         some multilibs.
2642
2643 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2644
2645         PR 30635
2646         * doc/install.texi: Document --enable-stage1-languages
2647
2648 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2649
2650         * tree-pass.h (pass_into_cfg_layout_mode,
2651         pass_outof_cfg_layout_mode): Declare.
2652         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2653         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2654         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2655         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2656
2657 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2658
2659         * c-decl.c (warn_variable_length_array): New function.
2660         Refactored from grokdeclarator to handle warn_vla
2661         and handle unnamed array case.
2662         (grokdeclarator): Refactored VLA warning case.
2663         * c.opt (Wvla): New flag.
2664         * doc/invoke.texi (Wvla): New warning.
2665
2666 2007-03-12  Richard Henderson  <rth@redhat.com>
2667
2668         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2669         (TARGET_SECTION_TYPE_FLAGS): New.
2670
2671 2007-03-12  Richard Henderson  <rth@redhat.com>
2672
2673         * config/darwin.c (machopic_reloc_rw_mask): New.
2674         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2675         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2676
2677 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2678
2679         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2680         * cppdefault.h (cpp_PREFIX): Document.
2681         (cpp_PREFIX_len): Likewise.
2682         (cpp_EXEC_PREFIX): New variable.
2683         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2684         * c-incpath.c (add_standard_paths): Correct logic for relocating
2685         paths within prefix.
2686
2687 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2688
2689         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2690         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2691         mode macro.
2692         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2693         fix_truncdfdi_sse using SSEMODEF mode macro.
2694         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2695         fix_truncdfsi_sse using SSEMODEF mode macro.
2696         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2697         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2698
2699 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2700
2701         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2702         elfos.h to tm_file.
2703
2704 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2705
2706         * tree.h : Add multiple_of_p declaration.
2707         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2708         * ipa-type-escape.c (results_of_malloc): Redundant.
2709         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2710         (cast_type): Extended with new members.
2711         (check_cast): Returns cast_type.
2712         (cast): New structure for data of walk_use_def_chains.
2713         (is_malloc_result, is_cast_from_non_pointer_1,
2714         is_cast_from_non_pointer,
2715         is_array_access_through_pointer_and_index): New functions.
2716         (look_for_casts): Returns cast types.
2717         (check_call): Returns void.
2718         (okay_pointer_operation): Use support of pointer plus index,
2719         pointer plus constant and allow all multiplications.
2720
2721 2007-03-11  Richard Guenther  <rguenther@suse.de>
2722
2723         PR tree-optimization/31115
2724         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2725         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2726         A shift count of zero is not special as with *_DIV_EXPR.
2727         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2728         direction.
2729
2730 2007-03-11  Ian Lance Taylor  <iant@google.com>
2731
2732         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2733         the *_DIV_EXPR codes correctly with overflow infinities.
2734
2735 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2736
2737         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2738         indicate success/failure of the analysis. Add negation to subtrahend
2739         in case of subtraction. Fail if both operands contain constants.
2740         (create_data_ref): Fail if analyze_offset fails.
2741
2742 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2743
2744         * config/i386/i386.md (frndintxf2): Rename to ...
2745         (rintxf2): ... this. Remove expander having same name.
2746         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2747         (roundsf2, rounddf2): Ditto.
2748         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2749         (lround<mode>di2, lround<mode>si2): Ditto.
2750
2751 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2752
2753         * lower-subreg.c: Include except.h.
2754         (decompose_multiword_subregs): Verify that the only control flow
2755         insns we can split are loads to multi-words pseudos.
2756         Handle breaking such blocks after splitting, instead of calling
2757         find_many_sub_basic_blocks.
2758
2759         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2760         on the new basic block.  Add a lengthy comment explaining why we
2761         thought this was necessary.
2762         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2763
2764 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2765
2766         PR c++/30924
2767         * tree.c (walk_type_fields): Recurse into the element type of
2768         ARRAY_TYPEs if there is a pointer set.
2769
2770 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2771
2772         * c-common.c (warn_logical_operator): Fix condition.
2773
2774 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2775
2776         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2777         quotation mark.
2778         * config/darwin.c (machopic_select_section): Remove superfluous
2779         argument in call to categorize_decl_for_section.  Remove unused
2780         variable shlib.
2781
2782 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2783
2784         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2785         defined.
2786         * configure: Regenerate.
2787
2788 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2789
2790         PR target/31101
2791         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2792         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2793         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2794         Add LABEL_NUSES to emitted label.
2795         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2796         branch probability value to emitted jump insn.
2797         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2798         Do not check life information and do not re-arrange input operands
2799         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2800
2801 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2802
2803         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2804         the change of decode_asm_operands.
2805
2806 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2807
2808         * mode-switching.c (create_pre_exit): Skip blockage insn.
2809
2810 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2811
2812         * tree-pass.h (TODO_update_smt_usage): Remove.
2813         Update all users.
2814         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2815         argument SOME.
2816         Update all users.
2817
2818 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2819
2820         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2821         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2822         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2823         SOM target.
2824
2825 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2826
2827         * gcc.c: Document %{, in big comment at top.
2828         (input_suffix_matches): Remove special handling for .s and
2829         .S.
2830         (input_spec_matches): New.
2831         (handle_braces): Handle %{,.
2832         (validate_switches): ',' indicates a value which is not a switch.
2833         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2834         to detect assembler input.
2835         * config/i386/sol2.h (CPP_SPEC): Likewise.
2836         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2837         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2838         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2839         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2840         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2841         -m64 causes deployment target to default to 10.5.
2842         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2843
2844 2007-03-09  Richard Henderson  <rth@redhat.com>
2845
2846         PR target/26090
2847         * target.h (targetm.asm.out.reloc_rw_mask): New.
2848         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2849         (TARGET_ASM_OUT): Use it.
2850         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2851         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2852         use the new reloc_rw_mask target hook instead.
2853         (default_section_type_flags_1): Merge into...
2854         (default_section_type_flags): ... here.
2855         (decl_readonly_section_1): Merge into...
2856         (decl_readonly_section): ... here.
2857         (default_elf_select_section_1): Merge into...
2858         (default_elf_select_section): ... here.
2859         (default_unique_section_1): Merge into...
2860         (default_unique_section): ... here.
2861         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2862         (default_select_rtx_section): Use it.
2863         (default_elf_select_rtx_section): Likewise.
2864         * output.h: Update to match.
2865         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2866         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2867         (TARGET_ASM_RELOC_RW_MASK): New.
2868         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2869         to categorize_decl_for_section.
2870         (x86_64_elf_unique_section): Likewise.
2871         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2872         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2873         (TARGET_ASM_RELOC_RW_MASK): New.
2874         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2875         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2876         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2877         (TARGET_RWRELOC): Remove.
2878         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2879         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2880         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2881         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2882         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2883         (rs6000_xcoff_select_section): Use decl_readonly_section.
2884         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2885         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2886         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2887         (TARGET_SECTION_TYPE_FLAGS): Remove.
2888         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2889
2890 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2891
2892         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2893         complex constant equality/inequality comparisons for here.
2894         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2895         known at compile-time or can be simplified to a scalar comparison.
2896         (fold_relational_const): Move compile-time evaluation of complex
2897         constant equality/inequality comparisons to here.
2898
2899 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2900
2901         PR rtl-optimization/30643
2902         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2903         dest_addr_elt.
2904         (fold_rtx): Recurse, like before 2006-11-03.
2905
2906 2007-03-09  DJ Delorie  <dj@redhat.com>
2907
2908         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2909         m32c-pragma.o.
2910
2911 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2912
2913         PR tree-optimization/30375
2914         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2915         LHS of statements is not the same.
2916         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2917
2918 2007-03-09  Chao-ying Fu  <fu@mips.com>
2919
2920         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2921         REV 2.
2922         * doc/invoke.texi (-mdspr2): Document new option.
2923         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2924         New unspec for DSP REV 2.
2925         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2926         these instructions are extended in DSP REV 2.
2927         (mips-dspr2.md): Include.
2928         * config/mips/mips.opt (mdspr2): New option.
2929         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2930         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2931         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2932         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2933         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2934         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2935         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2936         and 2 builtins.
2937         (bdesc_map): Add one field of unsupported_target_flags.
2938         (bdesc_arrays):  Update entries to have extra fields.  Add
2939         dsp_32only_bdesc.
2940         (mips_init_builtins): Initialize new function types.
2941         Check unsupported_target_fileds to filter out builtins.
2942         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2943         TARGET_DSPR2.
2944         (ASM_SPEC): Pass mdspr2 to the assembler.
2945         * config/mips/mips-dspr2.md: New file.
2946
2947 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2948
2949         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2950
2951 2007-03-09  Ian Lance Taylor  <iant@google.com>
2952
2953         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2954         argument) like -Wstrict-overflow=2.
2955         * doc/invoke.texi (Warning Options): Update documentation.
2956
2957 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2958
2959         PR c++/17946
2960         * doc/invoke.texi (-Wlogical-op): Document.
2961         * common.opt (-Wlogical-op): New.
2962         * c-common.h (warn_logical_operator): Declare.
2963         * c-common.c (warn_logical_operator): Define.
2964         * c-typeck.c (parser_build_binary_op): Call
2965         warn_logical_operator.
2966
2967 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2968
2969         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2970         * final.c (final_scan_insn): Test for non-"" file name.
2971
2972 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2973
2974         * doc/loop.texi: Document the Omega linear constraints solver.
2975         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2976         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2977         omega-hash-table-size, omega-max-keys, and
2978         omega-eliminate-redundant-constraints.
2979         * tree-pass.h (pass_check_data_deps): Declared.
2980         * omega.c: New.
2981         * omega.h: New.
2982         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2983         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2984         pass_check_data_deps): New.
2985         * tree-data-ref.c (init_data_ref): Remove declaration.
2986         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2987         (analyze_array): Renamed init_array_ref, move up initializations.
2988         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2989         Removed arguments that are set to NULL.
2990         (analyze_indirect_ref): Correct indentation, correct call to
2991         init_pointer_ref.
2992         (object_analysis): Call init_array_ref instead of analyze_array.
2993         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2994         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2995         of DR_ACCESS_FNS_ADDR.
2996         (init_omega_eq_with_af, omega_extract_distance_vectors,
2997         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2998         ddr_consistent_p): New.
2999         (compute_affine_dependence): Check consistency of ddrs when
3000         flag_check_data_deps is passed.
3001         (analyze_all_data_dependences): Uncomment.
3002         (tree_check_data_deps): New.
3003         * tree-data-ref.h: Include omega.h.
3004         (DR_ACCESS_FNS_ADDR): Removed.
3005         (data_dependence_relation): Add inner_loop.
3006         (DDR_INNER_LOOP): New.
3007         * common.opt (fcheck-data-deps): New.
3008         * tree-flow.h (tree_check_data_deps): Declare.
3009         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3010         (OBJS-common): Depend on omega.o.
3011         (omega.o): Define.
3012         * passes.c (pass_check_data_deps): Scheduled.
3013         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3014         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3015         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3016         PARAM_VECT_MAX_VERSION_CHECKS,
3017         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3018
3019 2007-03-09  Richard Guenther  <rguenther@suse.de>
3020
3021         PR tree-optimization/30904
3022         PR middle-end/31058
3023         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3024         the same way as *_DIV_EXPR.
3025
3026 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3027
3028         * recog.c (decode_asm_operands): No mixed declarations and code.
3029
3030 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3031
3032         * rtl.def (ASM_INPUT): Add location.
3033         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3034         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3035         (decode_asm_operands): Add loc operand.
3036         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3037         * stmt.c (expand_asm): Rename to...
3038         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3039         gen_rtx_ASM_INPUT_loc.
3040         (expand_asm_expr): Adjust.
3041         * recog.c (decode_asm_operands): Add loc operand.
3042         (check_asm_operands, extract_insn): Adjust.
3043         * reload1.c (maybe_fix_stack_asms): Likewise.
3044         * final.c (asm_insn_count): Likewise.
3045         (final_scan_insn): Output # line before and after asm.
3046
3047 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3048
3049         * tree-ssa-structalias.c (variable_info): Remove
3050         finished_solution.
3051         (new_var_info): Ditto.
3052         (shared_bitmap_info_t): New structure.
3053         (shared_bitmap_table): New variable.
3054         (shared_bitmap_hash): New function.
3055         (shared_bitmap_eq): Ditto
3056         (shared_bitmap_lookup): Ditto.
3057         (shared_bitmap_add): Ditto.
3058         (merge_smts_into): Change to take bitmap directly.
3059         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3060         (init_alias_vars): Init shared bitmap hashtable.
3061         (delete_points_to_sets): Delete shared bitmap hashtable.
3062         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3063         is_aliased removal as a change that was still necessary was
3064         deleted.
3065
3066 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3067
3068         * config/i386/i386.h (override_options): Conditionally disable
3069         x86_sahf for 64bit targets only.
3070
3071 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3072
3073         PR C/31072
3074         * c-decl.c (merge_decls): Don't call make_var_volatile.
3075         * varasm.c (make_var_volatile): Remove.
3076         * output.h (make_var_volatile): Remove.
3077
3078 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3079
3080         PR tree-optimization/31085
3081         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3082
3083 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3084
3085         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3086         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3087         ATTR_CONST_NOTHROW_LIST.
3088
3089         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3090         FIX_TRUNC_EXPR.
3091
3092 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3093
3094         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3095
3096 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3097
3098         PR 31013
3099         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3100         is declared.
3101         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3102         passed, use shared libgcc.
3103
3104 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3105
3106         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3107         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3108         (honor_protect_cleanup_actions, lower_try_finally_switch):
3109         Likewise.
3110         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3111         ifc_temp_var): Likewise.
3112         * tree-inline.c (setup_one_parameter): Likewise.
3113         * tree-mudflap.c (mf_decl_cache_locals,
3114         mf_build_check_statement_for): Likewise.
3115         * tree-nested.c (init_tmp_var, save_tmp_var,
3116         finalize_nesting_tree_1): Likewise.
3117         * tree-outof-ssa.c (insert_copy_on_edge,
3118         insert_backedge_copies): Likewise.
3119         * tree-profile.c (tree_gen_edge_profiler,
3120         tree_gen_ic_profiler): Likewise.
3121         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3122         * tree-sra.c (sra_build_assignment): Likewise.
3123         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3124         * tree-ssa-math-opts.c (insert_reciprocals,
3125         execute_cse_sincos_1): Likewise.
3126         * tree-tailcall.c (adjust_accumulator_values,
3127         adjust_return_value): Likewise.
3128         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3129         * tree-vect-transform.c (vect_create_data_ref_ptr,
3130         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3131         vect_create_epilog_for_reduction, vectorizable_reduction,
3132         vectorizable_call, vectorizable_conversion,
3133         vectorizable_assignment, vectorizable_operation,
3134         vectorizable_type_demotion, vect_gen_widened_results_half,
3135         vect_permute_store_chain, vectorizable_store,
3136         vect_setup_realignment, vect_permute_load_chain,
3137         vectorizable_load, vectorizable_condition,
3138         vect_create_cond_for_align_checks): Likewise.
3139         * tree-vrp.c (build_assert_expr_for): Likewise.
3140
3141 2007-03-08  Ian Lance Taylor  <iant@google.com>
3142
3143         * tree-vrp.c: Include "intl.h".
3144         (usable_range_p): New static function.
3145         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3146         overflowed values, juts set *strict_overflow_p.
3147         (compare_values): Only return -2 if one of the operands is not a
3148         constant.
3149         (compare_ranges): Call usable_range_p.
3150         (compare_range_with_value): Likewise.
3151         (vrp_evaluate_conditional_warnv): Rename from
3152         vrp_evaluate_conditional.  Make static.  Change all callers.
3153         (vrp_evaluate_conditional): New function.
3154         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3155         on signed overflow.
3156         (simplify_abs_using_ranges): Likewise.
3157         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3158         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3159         within_stmt parameter.
3160         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3161         vrp_evaluate_conditional.
3162         * tree-ssa-threadedge.c
3163         (record_temporary_equivalences_from_stmts_at_dest): Change
3164         simplify parameter to take a second tree parameter.
3165         (simplify_control_stmt_condition): Likewise.
3166         (thread_across_edge): Likewise.
3167         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3168         (thread_across_edge): Likewise.
3169         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3170
3171 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3172
3173         * config/i386/i386.h (TARGET_SAHF): New define.
3174         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3175         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3176         (x86_sahf): New global variable.
3177         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3178         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3179         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3180         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3181         for 64-bit.
3182         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3183         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3184         when expanding fcomi/sahf based tests.
3185         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3186         expanding sahf based alternative. Emit sahf based sequence when
3187         optimizing for code size.
3188         * config/i386/i386.md (x86_sahf_1): Do not disable for
3189         TARGET_64BIT, enable for TARGET_SAHF.
3190
3191 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3192
3193         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3194         spurious whitespace from error message.
3195
3196 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3197
3198         PR c++/30852
3199         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3200
3201 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3202
3203         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3204         bitfields.
3205         * tree-sra.c (instantiate_element): Propagate disabled warnings
3206         from the element itself to the created variable.
3207
3208 2007-03-07  Richard Henderson  <rth@redhat.com>
3209
3210         PR target/30848
3211         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3212         silently fix up the stack in the case of a missing register.
3213
3214 2007-03-07  Paul Brook  <paul@codesourcery.com>
3215
3216         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3217
3218 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3219
3220         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3221         New.
3222         (phase1_vrs): Use them.
3223         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3224         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3225         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3226         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3227         __gnu_Unwind_Restore_WMMXC if required.
3228         (_Unwind_VRS_Pop): Implement iWMMXt support.
3229         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3230         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3231         gnu_Unwind_Save_WMMXC): Define.
3232
3233 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3234
3235         * config/vxworks.h (vxworks_override_options): Declare.
3236         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3237         * config/vxworks.c: Include target.h and toplev.h.
3238         (vxworks_override_options): New function.
3239         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3240
3241 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3242
3243         * config/s390/s390.c (override_options): Don't emit an error when
3244         -mstack-size is used without providing -mstack-guard.
3245         (s390_emit_prologue): Choose stack_guard value automatically if not
3246         provided via command line.
3247         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3248
3249 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3250
3251         * config/i386/i386.c (output_set_got): Add a GOT initialization
3252         sequence for VxWorks PIC.
3253         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3254         around labels as well as symbols.  Use gotoff_operand instead
3255         of local_symbolic_operand.
3256         (legitimize_pic_address): Use gotoff_operand instead of
3257         local_symbolic_operand.  Use @GOT accesses for labels as
3258         well as symbols.
3259         (ix86_output_addr_diff_elt): Use PC-relative rather than
3260         GP-relative offsets for VxWorks PIC.
3261         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3262         no_new_pseudos.  Check whether the returned register is op0.
3263         * config/i386/i386.md (tablejump): Use PC-relative rather than
3264         GP-relative offsets for VxWorks PIC.
3265         * config/i386/predicates.md (gotoff_operand): New predicate.
3266
3267 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3268
3269         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3270         before defining.
3271         * config/vxworks-dummy.h: New file.
3272         * config/i386/i386.h: Include it.
3273
3274 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3275
3276         * dwarf2out.c (is_inlined_entry_point): New
3277         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3278         DW_AT_ranges if the first subblock is the entry point.
3279
3280 2007-03-06  David Daney  <ddaney@avtrex.com>
3281
3282         * doc/install.texi (mips-*-*): Change recommended binutils
3283         version.
3284
3285 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3286
3287         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3288         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3289         devices.
3290         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3291         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3292
3293 2007-03-06  Jan Hubicka  <jh@suse.cz>
3294
3295         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3296         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3297         are hot.
3298         (probably_cold_bb_p): Cold functions are cold.
3299         (probably_never_executed_bb_p): Cold functions are cold.
3300         (tree_bb_level_predictions): Predict calls to cold functions as not
3301         taken.
3302         (compute_function_frequency): Check hot/cold attributes.
3303         * function.h (function_frequency): Update comments.
3304         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3305         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3306         (c_common_att): Add cold and hot.
3307
3308         * doc/extend.texi (hot,cold attributes): Document.
3309
3310 2007-03-06  Andrew Haley  <aph@redhat.com>
3311
3312         * function.c (expand_function_end): Move blockage to just after we
3313         emit the label for the naked return from the function.
3314
3315 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3316
3317         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3318         before redefining.
3319
3320 2007-03-06  Jan Hubicka  <jh@suse.cz>
3321
3322         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3323         loaded for constant large models.  Non-large 64bit PIC can do.
3324         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3325         * cmodel.h: Add LARGE PIC.
3326         * i386.md (UNSPEC_PLTOFF): New.
3327         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3328         needed.
3329         (*call_1_rex64): Disable for large models.
3330         (*call_1_rex64_large): New.
3331         (*call_value_1_rex64): Disable for large models.
3332         (*call_value_1_rex64_large): New.
3333         (set_rip_rex4): New.
3334         (set_got_offset_rex64): New.
3335         * predicates.md (constant_call_address_operand): For large model
3336         constant calls are not possible.
3337         * i386-protos.h (construct_plt_address): Declare.
3338         * i386.c (override_options): Accept large models.
3339         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3340         (legitimate_constant_p): Add new UNSPECs.
3341         (legitimate_pic_operand_p): Likewise.
3342         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3343         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3344         non-large model.
3345         (output_pic_addr_const): Add PLTOFF.
3346         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3347         (ix86_expand_move): Legitimize pic address when in PIC mode.
3348         (construct_plt_address): New function.
3349         (ix86_expand_call): Offload the address to register and use GOT pointer
3350         for large model.
3351         * invoke.texi (mcmodel=large): Update documentation.
3352
3353 2007-03-06  Richard Henderson  <rth@redhat.com>
3354
3355         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3356         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3357         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3358         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3359         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3360         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3361         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3362         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3363         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3364         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3365         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3366         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3367         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3368         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3369         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3370         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3371         x86_schedule, x86_use_bt, x86_pad_returns,
3372         x86_use_xchgb): Merge into ...
3373         (ix86_tune_features): ... here.  New array.
3374         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3375         x86_bswap): Merge into ...
3376         (ix86_arch_features): ... here.  New array.
3377         (x86_3dnow_a): Remove.
3378         (x86_accumulate_outgoing_args): Make static.
3379         (x86_arch_always_fancy_math_387): Make static.
3380         (ix86_tune_mask, ix86_arch_mask): Move ...
3381         (override_options): ... to local variables here.  Apply the
3382         appropriate mask to each element of ix86_arch_features and
3383         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3384         as were done in the old macros.
3385         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3386         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3387         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3388         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3389         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3390         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3391         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3392         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3393         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3394         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3395         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3396         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3397         x86_accumulate_outgoing_args, x86_prologue_using_move,
3398         x86_epilogue_using_move, x86_decompose_lea,
3399         x86_arch_always_fancy_math_387, x86_shift1,
3400         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3401         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3402         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3403         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3404         x86_use_incdec, x86_pad_returns, x86_bswap,
3405         x86_partial_flag_reg_stall): Remove.
3406         (enum ix86_tune_indices): New.
3407         (ix86_tune_features): New.
3408         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3409         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3410         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3411         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3412         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3413         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3414         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3415         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3416         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3417         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3418         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3419         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3420         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3421         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3422         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3423         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3424         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3425         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3426         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3427         TARGET_EXT_80387_CONSTANTS): Use it.
3428         (enum ix86_arch_indices): New.
3429         (ix86_arch_features): New.
3430         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3431         TARGET_BSWAP): Use it.
3432         (ix86_tune_mask, ix86_arch_mask): Remove.
3433
3434 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3435
3436         PR bootstrap/31020
3437         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3438         Define using $${sysroot_headers_suffix}.
3439         * configure: Regenerate.
3440         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3441         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3442         defined.
3443         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3444         * gcc.c (print_sysroot_headers_suffix): New.
3445         (option_map): Include --print-sysroot-headers-suffix.
3446         (display_help): Mention -print-sysroot-headers-suffix.
3447         (process_command): Handle -print-sysroot-headers-suffix.
3448         (do_spec_1): Append multilib directory to include-fixed path if
3449         sysroot suffixes in use.
3450         (main): Handle -print-sysroot-headers-suffix.
3451         * Makefile.in (start.encap): Don't depend on xlimits.h
3452         (xlimits.h): Remove.
3453         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3454         limits.h for each multilib in fixinc_list.
3455         (fixinc_list, s-fixinc_list): New.
3456         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3457         generate them for each multilib in fixinc_list.
3458         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3459         multilib in fixinc_list.
3460         (mostlyclean): Don't remove xlimits.h.
3461         (clean): Remove include-fixed.
3462         (real-install-headers-tar, real-install-headers-cpio,
3463         real-install-headers-cp): Don't copy include, only include-fixed.
3464         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3465         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3466         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3467         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3468
3469 2007-03-06  Jan Hubicka  <jh@suse.cz>
3470
3471         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3472         NANs easilly.
3473
3474 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3475
3476         * configure.ac: Allow tm_file to contain build-directory files.
3477         * configure: Regenerate.
3478         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3479         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3480         * config/m68k/print-sysroot-suffix.sh: New file.
3481
3482 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3483
3484         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3485         of pic_offset_table_rtx if reload_completed.
3486         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3487         PIC_OFFSET_TABLE_REGNUM.
3488         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3489         return true.
3490         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3491         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3492
3493 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3494
3495         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3496         functions that call eh_return.
3497
3498 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3499
3500         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3501         functions that need a constant pool.
3502
3503 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3504
3505         PR target/28181
3506         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3507         (m68k_preferred_reload_class): Likewise.
3508         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3509         (SECONDARY_RELOAD_CLASS): Define.
3510         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3511         (LIMIT_RELOAD_CLASS): Delete.
3512         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3513         registers from storing bytes.
3514         (m68k_secondary_reload_class): New function.
3515         (m68k_preferred_reload_class): Likewise.
3516
3517 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3518
3519         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3520         leaf functions.
3521         (m68k_expand_prologue): Likewise.
3522
3523 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3524
3525         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3526         (mips_expand_epilogue): Add a bool parameter.
3527         (m68k_legitimize_sibcall_address): Declare.
3528         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3529         (m68k_expand_epilogue): Add a parameter to select between sibling
3530         and normal epilogues.  Only generate a return for the latter.
3531         (m68k_ok_for_sibcall_p): New function.
3532         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3533         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3534         (sibcall_value, *sibcall_value): Likewise.
3535         (*call, *call_value): Require !SIBLING_CALL_P.
3536         (epilogue): Update call to m68k_expand_epilogue.
3537         (sibcall_epilogue): New pattern.
3538         * config/m68k/predicates.md (const_call_operand): Say that this
3539         predicate applies to sibling calls too.
3540         (sibcall_operand): New predicate.
3541
3542 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3543
3544         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3545         alternatives as movsi_cf.
3546         (movsf_cf_hard): Add commentary.
3547
3548 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3549             Richard Sandiford  <richard@codesourcery.com>
3550
3551         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3552         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3553         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3554         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3555         as being live on exit from an interrupt function.
3556         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3557         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3558         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3559         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3560         (m68k_interrupt_function_p): Globalize.
3561         (m68k_compute_frame_layout): Remove reverse mask code.
3562         (m68k_emit_movem, m68k_set_frame_related): New functions.
3563         (m68k_output_function_prologue): Delete in favor of...
3564         (m68k_expand_prologue): ...this new function.
3565         (m68k_output_function_epilogue): Delete in favor of...
3566         (m68k_expand_epilogue): ...this new function.
3567         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3568         functions.
3569         (print_operand): Handle %?.
3570         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3571         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3572         (prologue, epilogue): New patterns.
3573         (return): Turn into a define_expand.
3574         (*return): New pattern, derived from old "return" pattern.  Use rte
3575         rather than rts for interrupt functions.  Only use rtd if the pop
3576         count is nonzero.
3577         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3578         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3579         (link, *link, unlink, *unlink, load_got): Likewise.
3580
3581 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3582
3583         PR target/23482
3584         PR target/17114
3585         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3586         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3587         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3588         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3589         and m68k_matches_u_p.
3590         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3591         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3592         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3593         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3594         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3595         (REG_STRICT_P): New macro.
3596         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3597         PCREL_GENERAL_OPERAND_OK.
3598         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3599         m68k_legitimate_base_reg_p.
3600         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3601         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3602         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3603         * config/m68k/m68k.c (m68k_address): New structure.
3604         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3605         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3606         (m68k_jump_table_ref_p, m68k_decompose_address)
3607         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3608         (m68k_matches_u_p): New functions.
3609         (print_operand_address): Rewrite to use m68k_decompose_index.
3610
3611 2007-03-05  David Taylor  <dtaylor@emc.com>
3612
3613         * gcc.c: Correct copyright date in --version output.
3614
3615 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3616
3617         * pa.md: In unamed move patterns, disparge copies between general
3618         and floating point registers using '?' modifier.  Don't include 'f'
3619         constraint for register preferences in DImode, SImode, HImode and
3620         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3621         Remove constraints for copies between general and floating registers
3622         in soft-float DFmode pattern.
3623         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3624         floating register.
3625         (movsf): Likewise.
3626
3627 2007-03-05  Mike Stump  <mrs@apple.com>
3628
3629         * c-common.c (targetcm): Add.
3630         * c-opts.c (c_common_handle_option): Handle language specific
3631         target options.
3632         * opts.c (handle_option): Verify language for target options, if
3633         any are given.
3634         * opth-gen.awk: Add CL_LANG_ALL.
3635         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3636         (TARGETCM_INITIALIZER): Add.
3637         * target.h (struct gcc_targetcm): Add.
3638         (targetcm): Add.
3639         * targhooks.c (default_handle_c_option): Add.
3640         * targhooks.h (default_handle_c_option): Add.
3641         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3642
3643         * config/darwin.opt (iframework): Add.
3644         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3645         * config/darwin-c.c (handle_c_option): Add.
3646         (TARGET_HANDLE_C_OPTION): Add.
3647         (targetcm): Add.
3648         * doc/invoke.texi (Darwin Options): Add -iframework.
3649
3650 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3651
3652         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3653         conversion.
3654
3655 2007-03-05  Ian Lance Taylor  <iant@google.com>
3656
3657         * c.opt (fgnu89-inline): New option.
3658         * c-opts.c (c_common_post_options): Set default value for
3659         flag_gnu89_inline.
3660         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3661         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3662         inline functions.
3663         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3664         (grokdeclarator, start_function): Likewise.
3665         * c-cppbuiltin.c (c_cpp_builtins): Define either
3666         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3667         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3668         (C Dialect Options): Document -fgnu89-inline.
3669         * doc/extend.texi (Function Attributes): Explain what the
3670         gnu_inline attribute does.
3671         * doc/cpp.texi (Common Predefined Macros): Document
3672         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3673
3674 2007-03-05  Ian Lance Taylor  <iant@google.com>
3675
3676         PR tree-optimization/31034
3677         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3678         half-range if the other side is an overflow infinity.
3679
3680 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3681
3682         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3683         (bfin*-linux-uclibc*): New configuration.
3684         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3685         defining.
3686         * config/bfin/linux.h: New file.
3687         * config/bfin/libgcc-bfin.ver: New file.
3688         * config/bfin/t-bfin-uclinux: New file.
3689         * config/bfin/t-bfin-linux: New file.
3690         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3691         (TARGET_OS_CPP_BUILTINS): New macro.
3692
3693 2007-03-05  Richard Guenther  <rguenther@suse.de>
3694
3695         * fold-const.c (fold_binary): Remove duplicate folding
3696         of comparison of non-null ADDR_EXPR against null.
3697
3698 2007-03-05  Richard Guenther  <rguenther@suse.de>
3699             Dorit Nuzman  <dorit@il.ibm.com>
3700
3701         PR tree-optimization/26420
3702         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3703         are no loops in the function.  Only print the number of
3704         vectorized loops if it is greater than zero or we are supposed
3705         to print information about unvectorized loops.
3706
3707 2007-03-05  Revital Eres  <eres@il.ibm.com>
3708
3709         * gcc.dg/var-expand1.c: New test.
3710         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3711         when an accumulator is expanded.
3712
3713 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3714
3715         PR other/30465
3716         * c-common.c (convert_and_check): Don't give warnings for
3717         conversion if 'expr' already overflowed.
3718
3719 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3720
3721         PR middle-end/30744
3722         * fold-const.c (fold_comparison): Enforce type consistency when
3723         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3724
3725 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3726
3727         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3728         containing a cast to the base of TARGET_MEM_REF.
3729
3730 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3731
3732         * tree.c (tree_contains_struct_check_failed): Remove spurious
3733         whitespace from error message.
3734
3735 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3736
3737         PR target/30406
3738         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3739         instead of precision.
3740
3741 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3742             Nathan Sidwell  <nathan@codesourcery.com>
3743
3744         * emit-rtl.c (find_auto_inc): New.
3745         (try_split): recreate REG_INC notes,
3746         Use regular for loops rather than whiles.
3747
3748 2007-03-03  Andreas Schwab  <schwab@suse.de>
3749
3750         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3751         * configure: Regenerate.
3752
3753 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3754
3755         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3756         flag_rounding_math, not flag_unsafe_math_optimizations.
3757
3758         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3759         fold_build2.
3760         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3761         alpha_fold_vector_minmax): Likewise.
3762         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3763         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3764
3765 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3766
3767         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3768         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3769         if the lhs has side-effects.
3770         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3771
3772 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3773
3774         * config/i386/i386.h (TUNEMASK): Remove define.
3775         (ARCHMASK): Remove define.
3776         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3777          Use ix86_arch_mask variable instead of ARCHMASK.
3778         * config/i386/i386.c (override_options): Ditto.
3779         (standard_80387_constant_p): Ditto.
3780
3781 2007-03-02  Ian Lance Taylor  <iant@google.com>
3782
3783         Used signed infinities in VRP.
3784         * tree-vrp.c (uses_overflow_infinity): New static function.
3785         (supports_overflow_infinity): New static function.
3786         (make_overflow_infinity): New static function.
3787         (negative_overflow_infinity): New static function.
3788         (positive_overflow_infinity): New static function.
3789         (is_negative_overflow_infinity): New static function.
3790         (is_positive_overflow_infinity): New static function.
3791         (is_overflow_infinity): New static function.
3792         (overflow_infinity_range_p): New static function.
3793         (compare_values_warnv): New function split out of compare_values.
3794         (compare_value): Call it.
3795         (set_value_range_to_nonnegative): Add overflow_infinity
3796         parameter.  Change caller.
3797         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3798         Change callers.
3799         (vrp_expr_computes_nonzero): Likewise.
3800         (compare_ranges, compare_range_with_value): Likewise.
3801         (compare_name_with_value, compare_names): Likewise.
3802         (vrp_evaluate_conditional): Likewise.
3803         (set_value_range): Handle infinity
3804         (vrp_operand_equal_p, operand_less_p): Likewise.
3805         (extract_range_from_assert): Likewise.
3806         (vrp_int_const_binop): Likewise.
3807         (extract_range_from_binary_expr): Likewise.
3808         (extract_range_from_unary_expr): Likewise.
3809         (extract_range_from_comparison): Likewise.
3810         (extract_range_from_expr): Likewise.
3811         (dump_value_range): Likewise.
3812         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3813         (test_for_singularity): Likewise.
3814         (vrp_int_const_binop): Remove inline qualifier.
3815         (adjust_range_with_scev): Add comment.
3816         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3817
3818 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3819
3820         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3821         (get_constraint_for): Likewise.
3822         (do_structure_copy): Likewise.
3823         (find_func_aliases): Fix references to MODIFY_EXPR.
3824         (intra_create_variable_infos): Tidy.
3825         * tree-ssa-operands.c (add_virtual_operand): Add argument
3826         IS_CALL_SITE.
3827         When adding members of alias sets, if IS_CALL_SITE is true and
3828         the symbol is not call-clobbered, skip it.
3829         Adjust all callers.
3830
3831 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3832
3833         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3834         entry by means of emit_insn_at_entry.
3835
3836 2007-03-02  Richard Henderson  <rth@redhat.com>
3837
3838         * expr.h (promoted_input_arg): Remove decl.
3839         * function.c (promoted_input_arg): Merge into ...
3840         * combine.c (setup_incoming_promotions): ... only caller.
3841         Rearrange to avoid double loop.
3842
3843 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3844             Peter Bergner  <bergner@vnet.ibm.com>
3845             Janis Johnson  <janis187@us.ibm.com>
3846
3847         * config/rs6000/dfp.md: New file.
3848         * config/rs6000/rs6000.md: Include dfp.md.
3849         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3850         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3851         and TDmode decimal float modes in FP registers.
3852         (num_insns_constant): Likewise.
3853         (rs6000_legitimate_offset_address_p): Likewise.
3854         (rs6000_legitimize_address): Likewise.
3855         (rs6000_legitimize_reload_address): Likewise.
3856         (rs6000_legitimate_address): Likewise.
3857         (rs6000_emit_move): Likewise.
3858         (function_arg_boundary): Likewise.
3859         (function_arg_advance): Likewise.
3860         (rs6000_darwin64_record_arg_recurse): Likewise.
3861         (function_arg): Likewise.
3862         (rs6000_gimplify_va_arg): Likewise.
3863         (rs6000_split_multireg_move): Likewise.
3864         (rs6000_output_function_epilogue): Likewise.
3865         (rs6000_output_function_epilogue): Likewise.
3866         (rs6000_register_move_cost): Likewise.
3867         (rs6000_function_value): Likewise.
3868         (rs6000_libcall_value): Likewise.
3869
3870 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3871
3872         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3873
3874 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3875
3876         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3877         Use $MULTIDIR to choose between the kernel and RTP headers,
3878         and use $WIND_BASE and $WIND_USR to locate them.
3879
3880 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3881
3882         * config/i386/i386.c (override_options): Put initialization of
3883         ix86_tune_mask and ix86_arch_mask to the correct place.
3884
3885 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3886             Michael Meissner  <michael.meissner@amd.com>
3887
3888         PR target/31019
3889         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3890         (ARCHMASK): Define.
3891         (TARGET_CMOVE): Use ARCHMASK.
3892         (TARGET_CMPXCHG): Ditto.
3893         (TARGET_CMPXCHG8B): Ditto.
3894         (TARGET_XADD): Ditto.
3895         (TARGET_BSWAP): Ditto.
3896         * config/i386/i386.c (ix86_tune_mask): New global variable.
3897         (ix86_arch_mask): Ditto.
3898         (override_options): Initialize ix86_tune_mask and
3899         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3900         target_flags.
3901
3902 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3903
3904         PR 30992
3905         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3906
3907 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3908
3909         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3910         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3911         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3912         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3913         hook.
3914         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3915         rs6000_init_dwarf_reg_sizes_extra): New.
3916         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3917         SPE register high parts.
3918
3919 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3920
3921         * Makefile.in: Add install-pdf target as
3922         copied from automake v1.10 rules.
3923         * configure.ac: Add install-pdf to target list.
3924         * configure: Regenerate.
3925
3926 2007-03-01  Paul Brook  <paul@codesourcery.com>
3927
3928         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3929         modes to LDRD for DImode.
3930         (output_move_double): Fixup out of range ldrd/strd.
3931         (vfp_secondary_reload_class): Rename...
3932         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3933         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3934         coproc_secondary_reload_class for CLASS_IWMMXT.
3935         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3936         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3937
3938 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3939
3940         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3941         factor by the estimated number of iterations.
3942         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3943         prefetch latency.
3944
3945         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3946         decode_caches_intel, detect_caches_intel): New functions.
3947         (host_detect_local_cpu): Use detect_caches_amd and
3948         detect_caches_intel.
3949
3950 2007-03-01  Richard Henderson  <rth@redhat.com>
3951
3952         * expr.c (emit_move_complex_push): Export.
3953         (emit_move_complex_parts): Split out from ...
3954         (emit_move_complex): ... here.
3955         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3956         * config/i386/i386.md (movcdi): New.
3957
3958 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3959
3960         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3961         size of mode1 to check for tieable modes in MMX case.
3962
3963 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3964
3965         * Makefile.in (rtlanal.o): Depend on tree.h.
3966         * rtl.h (offset_within_section_p, split_const): Declare.
3967         * rtlanal.c: Include tree.h.
3968         (offset_within_block_p): New function, taken from
3969         mips_offset_within_object_p.
3970         (split_const): New function, taken from mips_split_const.
3971         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3972         Declare.
3973         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3974         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3975         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3976         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3977         (m68k_illegitimate_symbolic_constant_p): New function.
3978         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3979         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3980         symbolic constant that might be outside the symbol's section,
3981         move the symbol first and then add the offset.
3982         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3983         Override.
3984         * config/mips/mips.c (mips_split_const): Delete.
3985         (mips_offset_within_object_p): Delete.
3986         (mips_symbolic_constant_p): Use offset_within_section_p and
3987         split_const instead of mips_offset_within_object_p and
3988         mips_split_const.
3989         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3990         (mips_legitimize_const_move, print_operand_reloc)
3991         (mips_dangerous_for_la25_p): Use split_const instead of
3992         mips_split_const.
3993
3994 2007-02-28  Eric Christopher  <echristo@apple.com>
3995
3996         * Makefile.in (install-include-dir): Don't rm -rf include.
3997
3998 2007-02-28  Richard Guenther  <rguenther@suse.de>
3999
4000         PR middle-end/30364
4001         * fold-const.c (fold_binary): Do not associate expressions
4002         with more than one variable for integer types that do not wrap.
4003
4004 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4005
4006         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4007         Delete, and replace with...
4008         (fold_builtin_call_array): This.  Update callers to use it.
4009         * fold-const.c (fold_build_call_list): Delete, and replace with...
4010         (fold_build_call_array): This.
4011         (fold_build_call_list_initializer): Delete, and replace with...
4012         (fold_build_call_array_initializer): This.
4013         * tree.h: Update declarations to reflect above changes.
4014
4015         * c-typeck.c (build_function_call): Store converted arguments
4016         in a stack-allocated array instead of building a list.
4017         (convert_arguments): Store arguments in the array passed in as an
4018         argument, and return the actual number of arguments.
4019         * c-format.c: (check_function_format): Pass arguments in an
4020         array instead of a list.
4021         * c-common.c (check_function_nonnull): Likewise.
4022         (check_function_sentinel): Likewise.
4023         (check_function_arguments): Likewise.
4024         * c-common.h: Update declarations to reflect above changes.
4025
4026 2007-02-28  Jan Hubicka  <jh@suse.cz>
4027
4028         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4029         PRED_NEGATIVE_RETURN): Update outcomes.
4030
4031 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4032
4033         * calls.c (emit_library_call_value_1): Handle partial registers
4034         correctly when building up CALL_INSN_FUNCTION_USAGE.
4035
4036 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4037
4038         * pa/predicates.md (move_src_operand): Allow zero for mode.
4039         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4040         move pattern.
4041
4042 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4043
4044         PR target/30970
4045         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4046         *movv2df_internal): Enable pattern only for valid operand
4047         combinations.
4048         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4049         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4050
4051 2007-02-27  Mike Stump  <mrs@apple.com>
4052
4053         * config/darwin-crt3.c: Avoid compilation when compiling for a
4054         kext multilib.
4055
4056 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4057
4058         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4059         FIXED_INCLUDE_DIR.
4060         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4061         for fixed headers and limits.h.
4062         (install-include-dir, install-headers-tar, install-headers-cpio,
4063         install-headers-cp, real-install-headers-tar,
4064         real-install-headers-cpio, real-install-headers-cp): Handle
4065         include-fixed as well as include.
4066         (install-mkheaders): Don't install files that go only in include
4067         not include-fixed.
4068         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4069         from GCC_INCLUDE_DIR.
4070         * gcc.c (process_command): Remove special -BstageN/ handling.
4071         (do_spec_1): Add include-fixed directories.
4072
4073 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4074
4075         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4076         _smulsi3_highpart.
4077         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4078         New functions.
4079         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4080         patterns.
4081
4082 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4083
4084         * c-common.c (get_priority): Add check for
4085         SUPPORTS_INIT_PRIORITY.
4086
4087 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4088
4089         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4090
4091         * config/bfin/bfin.c: Include "cfglayout.h".
4092         (MAX_LSETUP_DISTANCE): New macro.
4093         (struct loop_info): New members incoming, incoming_src and
4094         incoming_dest.  Delete member predecessor.
4095         (length_for_loop): New function.
4096         (bfin_optimize_loop): Handle more different loop structures.
4097         (bfin_discover_loop): Rework detection of predecessor blocks by
4098         examining incoming edges.
4099         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4100         bfin_reorg_loops.
4101         (bfin_reorder_loops): New function.
4102         (bfin_reorg_loops): Use these three new functions.
4103
4104         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4105         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4106         (CONSTRAINT_LEN): Add entry for 'q'.
4107         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4108         Add 'q' constraints.
4109         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4110         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4111
4112         * config/bfin/bfin.md (add_with_carry): New pattern.
4113         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4114         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4115         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4116         support unsigned multiplies too.  Removed incorrect commutativity from
4117         operand 1 constraint where appropriate.
4118         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4119         patterns.
4120         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4121         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4122         New patterns.
4123         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4124         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4125         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4126         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4127         usmulhisi_hh_huh): New patterns.
4128
4129         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4130         lshifthi3): Fix output template to use half reg for operand 2.
4131
4132         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4133         instead of R2.
4134
4135         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4136
4137 2007-02-27  Andreas Schwab  <schwab@suse.de>
4138
4139         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4140
4141 2007-02-27  Jan Hubicka  <jh@suse.cz>
4142
4143         * predict.c (last_basic_block_p): Remove.
4144         (tree_estimate_probability): Update return heuristic for commonized
4145         return blocks.
4146
4147 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4148
4149         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4150
4151 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4152
4153         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4154         * doc/cpp.texi: Standardize title page.
4155         * doc/cppinternals.texi: Likewise.
4156         * doc/gcc.texi: Standardize title page, remove version number
4157         from copyright page.
4158         * doc/gccint.texi: Likewise.
4159         * doc/install.texi: Standardize title page, add table of
4160         contents.
4161
4162 2007-02-26  Jan Hubicka  <jh@suse.cz>
4163
4164         * predict.def: Set outcomes according to more recent results.
4165         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4166         Remove dead predictors.
4167         * predict.c (return_prediction): Fix pasto.
4168
4169 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4170
4171         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4172         change; avoid a memory leak when returning early.
4173
4174 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4175
4176         * c-decl.c (static_ctors): Move to c-common.c.
4177         (static_dtors): Likewise.
4178         (finish_function): Use c_record_cdtor_fn.
4179         (build_cdtor): Move to c-common.c.
4180         (c_write_global_declarations): Use c_build_cdtor_fns.
4181         * c-common.h (static_ctors): Declare.
4182         (static_dtors): Likewise.
4183         (c_record_cdtor_fn): Likewise.
4184         (c_build_cdtor_fns): Likewise.
4185         * c-common.c (static_ctors): New variable.
4186         (static_dtors): Likewise.
4187         (c_record_cdtor_fn): New function.
4188         (build_cdtor): Move from c-decl.c
4189         (c_build_cdtor_fns): New function.
4190
4191         * output.h (assemble_addr_to_section): Declare.
4192         (get_cdtor_priority_section): Likewise.
4193         * varasm.c (assemble_addr_to_section): New function.
4194         (get_cdtor_priority_section): Likewise.
4195         (default_named_section_asm_out_destructor): Use them.
4196         (destor_dtor_section_asm_out_destructor): Likewise.
4197         (default_named_section_asm_out_constructor): Likewise.
4198         (default_ctor_section_asm_out_constructor): Likewise.
4199         * config.gcc (*-*-vxworks*): Include vxworks.o.
4200         * config/t-vxworks (vxworks.o): New target.
4201         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4202         (TARGET_ASM_CONSTRUCTOR): Define.
4203         (TARGET_ASM_DESTRUCTOR): Likewise.
4204         (vxworks_asm_out_constructor): Declare.
4205         (vxworks_asm_out_destructor): Likewise.
4206
4207         * c-common.c (get_priority): Check that we have not just an
4208         INTEGER_CST, but an integer constant with integeral type.
4209
4210 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4211
4212         PR tree-optimization/30938
4213         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4214         use &dt[nargs-1] instead of &dt[nargs] in the call to
4215         vect_is_simple_use().
4216
4217 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4218
4219         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4220         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4221         Do not attempt to handle MEM inside auto-inc expressions.
4222         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4223         of a register modified by an auto-inc expression.  However, do handle
4224         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4225         (elimination_effects): Prohibit elimination of a register modified
4226         by an auto-inc expression.  Disable register elimination rules whose
4227         target register is modified by an auto-inc expression with variable
4228         increment.
4229
4230 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4231
4232         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4233         off-by-one error.
4234         (array_at_struct_end_p): New function.
4235         (idx_infer_loop_bounds): Use it.
4236         (estimate_numbers_of_iterations_loop): Export.
4237         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4238         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4239         (tree_estimate_probability): Call record_loop_exits.
4240         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4241         (estimated_loop_iterations, estimated_loop_iterations_int,
4242         estimated_loop_iterations_tree): New functions.
4243         (analyze_siv_subscript_cst_affine,
4244         compute_overlap_steps_for_affine_1_2,
4245         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4246         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4247         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4248         (PRED_LOOP_ITERATIONS_GUESSED): New.
4249         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4250         * cfgloop.h (estimate_numbers_of_iterations_loop,
4251         estimated_loop_iterations_int): Declare.
4252
4253 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4254
4255         * doc/extend.texi: Document optional priority argument to
4256         constructors and destructors.
4257         * tree.c (init_priority_for_decl): Adjust GTY markers.
4258         (init_ttree): Use priority-info hash functions for
4259         init_priority_for_decl.
4260         (tree_map_eq): Rename to ...
4261         (tree_map_base_eq): ... this.
4262         (tree_map_marked_p): Rename to ...
4263         (tree_map_base_marked_p): ... this.
4264         (tree_map_base_hash): New function.
4265         (decl_init_priority_lookup): Rework.
4266         (decl_fini_priority_lookup): New function.
4267         (decl_priority_info): New function.
4268         (decl_init_priority_insert): Use it.
4269         (decl_fini_priority_insert): Likewise.
4270         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4271         hierarchy.
4272         (decl_restrict_base_insert): Likewise.
4273         (decl_debug_expr_insert): Likewise.
4274         (decl_value_expr_lookup): Likewise.
4275         (decl_value_expr_insert): Likewise.
4276         * tree.h (priority_type): New type.
4277         (decl_init_priority_lookup): Use priority_type.
4278         (decl_fini_priority_lookup): New function.
4279         (decl_init_priority_insert): Use priority_type.
4280         (decl_fini_priority_insert): New function.
4281         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4282         (DECL_INIT_PRIORITY): Likewise.
4283         (SET_DECL_INIT_PRIORITY): Add comment.
4284         (DECL_FINI_PRIORITY): New macro.
4285         (SET_DECL_FINI_PRIORITY): Likewise.
4286         (DEFAULT_INIT_PRIORITY): Document.
4287         (MAX_INIT_PRIORITY): Likewise.
4288         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4289         (tree_map_base): New type.
4290         (tree_map_base_eq): New function.
4291         (tree_map_base_hash): Likewise.
4292         (tree_map_base_marked_p): Likewise.
4293         (tree_map): Inherit from tree_map_base.
4294         (tree_map_eq): Make it a macro.
4295         (tree_map_marked_p): Likewise.
4296         (tree_int_map): Inherit from tree_map_base.
4297         (tree_int_map_eq): Make it a macro.
4298         (tree_int_map_hash): Likewise.
4299         (tree_int_map_marked_p): Likewise.
4300         (tree_priority_map): New type.
4301         (tree_priority_map_eq): New macro.
4302         (tree_priority_map_hash): Likewise.
4303         (tree_priority_map_marked_p): Likewise.
4304         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4305         hierarchy.
4306         (emutls_common_1): Likewise.
4307         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4308         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4309         of tree_map hierarchy.
4310         * tree-cfg.c (move_stmt_r): Likewise.
4311         (new_label_mapper): Likewise.
4312         * c-tree.h (c_expand_body): Move to ...
4313         * c-common.h (c_expand_body): ... here.
4314         * c-decl.c (c_expand_body): Move to ...
4315         * c-common.c (c_expand_body): ... here.
4316         (c_common_attribute_table): Allow 1 argument for the constructor
4317         and destructor attributes.
4318         (get_priority): New function.
4319         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4320         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4321
4322 2007-02-24  Jan Hubicka  <jh@suse.cz>
4323
4324         PR middle-end/30509
4325         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4326
4327 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4328             Jan Hubicka  <jh@suse.cz>
4329
4330         PR target/30778
4331         * i386.c (counter_mode): New function.
4332         (expand_set_or_movmem_via_loop): Use it.
4333         (expand_movmem_epilogue): Likewise; fix pasto.
4334         (ix86_expand_movmem): Do emit guard even for constant counts.
4335         (ix86_expand_setmem): Likewise.
4336
4337 2007-02-25  Nick Clifton  <nickc@redhat.com>
4338
4339         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4340         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4341
4342 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4343
4344         PR target/30770
4345         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4346         count argument with 0x10, not with 0x16.
4347         (expand_setmem_epilogue): Ditto.
4348
4349 2007-02-24  Mike Stump  <mrs@apple.com>
4350
4351         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4352         symbols.
4353
4354 2007-02-24  Richard Guenther  <rguenther@suse.de>
4355
4356         PR middle-end/30951
4357         * fold-const.c (fold_binary): Fold x +- CST op x for
4358         EQ_EXPR and NE_EXPR.
4359
4360 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4361
4362         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4363
4364 2007-02-24  Jan Hubicka  <jh@suse.cz>
4365
4366         * cgraphunit.c (decide_is_function_needed): Honor
4367         -fkeep-inline-functions.
4368
4369 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4370
4371         * builtins.c (fold_builtin_modf): New.
4372         (fold_builtin_2): Use it.
4373
4374 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4375
4376         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4377         (determine_max_iter): Take additional LOOP arg; all callers changed.
4378         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4379         one using simplifications.
4380         (simplify_using_initial_values): Return if the expression becomes
4381         invalid due to altered regs.
4382
4383 2007-02-23  DJ Delorie  <dj@redhat.com>
4384
4385         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4386
4387 2007-02-23  Mike Stump  <mrs@apple.com>
4388
4389         * tlink.c (scan_linker_output): Parse linker messages from
4390         darwin9's linker better.
4391
4392 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4393
4394         PR debug/29614
4395         * varpool.c (varpool_assemble_pending_decls):  Set
4396         varpool_last_needed_node to null.
4397
4398 2007-02-23  DJ Delorie  <dj@redhat.com>
4399
4400         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4401         alignment bigger than the object file can handle.
4402
4403 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4404
4405         PR target/30825
4406         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4407         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4408         (*movsf_1): Penalize MMX moves.
4409
4410 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4411
4412         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4413         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4414
4415         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4416
4417 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4418
4419         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4420         (fold_builtin_1): Use them.
4421         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4422         BUILT_IN_SIGNIFICAND.
4423
4424 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4425
4426         * config/i386/i386.c (bdesc_1arg): Initialize
4427         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4428         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4429         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4430         and IX86_BUILTIN_MOVSLDUP.
4431
4432 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4433
4434         PR rtl-optimization/30841
4435         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4436
4437 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4438
4439         * builtins.c (fold_builtin_frexp): New.
4440         (fold_builtin_2): Use it.
4441
4442 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4443
4444         * doc/invoke.texi (Spec Files): Document getenv spec function.
4445
4446         * gcc.c (getenv_spec_function): New function.
4447         (static_spec_functions): Add it.
4448         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4449         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4450         header files.
4451
4452 2007-02-22  Michael Matz  <matz@suse.de
4453
4454         PR c++/29433
4455         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4456         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4457
4458 2007-02-22  Ian Lance Taylor  <iant@google.com>
4459
4460         PR debug/30898
4461         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4462         (mem_loc_descriptor): Call it.
4463
4464 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4465             Ira Rosen  <irar@il.ibm.com>
4466
4467         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4468
4469 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4470
4471         PR tree-optimization/30843
4472         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4473         stores only after all the group is vectorized.
4474
4475 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4476
4477         PR tree-optimization/30858
4478         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4479         in the reduction cycle have a single use in the loop.
4480         * tree-vectorizer.h (relevant): Add documentation.
4481
4482 2007-02-20  Mike Stump  <mrs@apple.com>
4483
4484         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4485         * configure: Regenerate.
4486
4487 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4488
4489         Change the defaults of some parameters and options.
4490         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4491         * config/spu/spu.c (spu_optimization_options): Add.
4492         (spu_override_options): Change params in spu_optimization_options.
4493         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4494
4495         Register 127 is only 16 byte aligned when used as a frame pointer.
4496         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4497         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4498         HARD_FRAME_POINTER_REGNUM.
4499         (spu_legitimate_address):  Use regno_aligned_for_reload.
4500         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4501         aligned when frame_pointer_needed is true.
4502         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4503         to 8 bits.
4504         * config/spu/spu.h (INIT_EXPANDERS): Define.
4505
4506         Make sure shift and rotate instructions have valid immediate operands.
4507         * config/spu/predicates.md (spu_shift_operand): Remove.
4508         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4509         * config/spu/constraints.md (W, O): Extend range.
4510         * config/spu/spu.md (umask, nmask): Define.
4511         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4512         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4513         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4514         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4515         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4516         (lshr<mode>3_reg):  Fix rtl description.
4517
4518         Make sure mulhisi immediate operands are valid.
4519         * config/spu/predicates.md (imm_K_operand): Add.
4520         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4521
4522         Generate constants using fsmbi and andi.
4523         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4524         (print_operand, spu_split_immediate, classify_immediate,
4525         fsmbi_const_p): Handle IC_FSMBI2.
4526
4527         Correctly handle a CONST_VECTOR containing symbols.
4528         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4529         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4530         (immediate_load_p): Allow symbols that use 2 instructions to create.
4531         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4532         with symbols when flag_pic is set.
4533         (const_vector_immediate_p): New.
4534         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4535         accept a CONST_VECTOR with symbols.
4536         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4537         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4538         correctly.
4539         * config/spu/spu.md (high, low): Delete.
4540         (low_<mode>): Define.
4541
4542         Remove INTRmode and INTR_REGNUM, which didn't work.
4543         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4544         of INTR_REGNUM.
4545         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4546         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4547         peephole2 pattern): Don't use INTR or 131.
4548         (movintrcc): Delete.
4549         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4550         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4551         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4552         (UNSPEC_SET_INTR): Add.
4553         * config/spu/spu-modes.def (INTR): Remove.
4554
4555         More accurate warnings about run-time relocations.
4556         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4557
4558         Correctly warn about immediate arguments to specific intrinsics.
4559         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4560         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4561         the instruction predicate.
4562
4563         Fix tree check errors with latest update.
4564         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4565         CALL_EXPR_ARG.
4566         (spu_expand_builtin): Use CALL_EXPR_FN.
4567
4568         Add missing specific intrinsics.
4569         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4570         si_bislede.
4571         * config/spu/spu_internals.h: Ditto.
4572
4573         Fix incorrect operand modifiers.
4574         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4575         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4576
4577         Optimize one case of zero_extend of a vec_select.
4578         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4579
4580         Accept any immediate for hbr.
4581         * config/spu/spu.md (hbr):  Change s constraints to i.
4582
4583 2007-02-21  Paul Brook  <paul@codesourcery.com>
4584
4585         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4586         condexec_count when skipping USE and CLOBBER.
4587
4588 2007-02-21  Nick Clifton  <nickc@redhat.com>
4589
4590         * common.opt (Warray-bounds): Add Warning attribute.
4591         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4592         Likewise.
4593         (fsized-zeroes): Add Optimization attribute.
4594         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4595         * c.opt (Wc++0x-compat): Add Warning attribute.
4596
4597 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4598
4599         PR middle-end/30761
4600         * reload1.c (eliminate_regs_in_insn): In the single_set special
4601         case, attempt to re-recognize the insn before falling back to
4602         having reload fix it up.
4603
4604 2007-02-20  Eric Christopher  <echristo@gmail.com>
4605
4606         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4607         Rewrite accordingly.
4608         (frv_read_iacc_argument): Ditto.
4609         (frv_expand_set_builtin): Take a call instead of arglist, update for
4610         above changes.
4611         (frv_expand_unop_builtin): Ditto.
4612         (frv_expand_binop_builtin): Ditto.
4613         (frv_expand_cut_builtin): Ditto.
4614         (frv_expand_binopimm_builtin): Ditto.
4615         (frv_expand_voidbinop_builtin): Ditto.
4616         (frv_expand_int_void2arg): Ditto.
4617         (frv_expand_prefetches): Ditto.
4618         (frv_expand_voidtriop_builtin): Ditto.
4619         (frv_expand_voidaccop_builtin): Ditto.
4620         (frv_expand_load_builtin): Ditto.
4621         (frv_expand_store_builtin): Ditto.
4622         (frv_expand_mdpackh_builtin): Ditto.
4623         (frv_expand_mclracc_builtin): Ditto.
4624         (frv_expand_mrdacc_builtin): Ditto.
4625         (frv_expand_mwtacc_builtin): Ditto.
4626         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4627         calls for above.
4628
4629 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4630
4631         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4632         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4633         cmpb instruction.
4634         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4635         point instructions.
4636         * configure: Regenerate.
4637         * config.in: Regenerate.
4638         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4639         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4640         masks to power6 and power6x and to POWERPC_MASKS.
4641         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4642         _ARCH_PWR6.
4643         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4644         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4645         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4646         Access PROTOTYPE as variable, not mask.
4647
4648 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4649
4650         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4651         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4652         * combine.c (adjust_for_new_dest): Use it.
4653         * postreload.c (reload_combine): Likewise.
4654
4655 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4656
4657         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4658         notes on an insn with multiple sets, even if single_set returns
4659         non-NULL for that insn.
4660
4661 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4662
4663         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4664         scalbn and scalbln.
4665
4666 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4667
4668         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4669         if user didn't pass it.
4670         * config/i386/darwin.h (CC1_SPEC): Likewise.
4671         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4672         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4673         -mmacosx-version-min.
4674
4675 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4676             Uros Bizjak  <ubizjak@gmail.com>
4677
4678         * optabs.h (enum optab_index): Add new OTI_scalb.
4679         (scalb_optab): Define corresponding macro.
4680         * optabs.c (init_optabs): Initialize scalb_optab.
4681         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4682         patterns.
4683         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4684         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4685         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4686         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4687         flag_unsafe_math_optimizations is set.
4688
4689         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4690         to implement scalbf, scalb and scalbl built-ins as inline x87
4691         intrinsics.
4692
4693 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4694             DJ Delorie <dj@redhat.com>
4695
4696         PR other/30824
4697         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4698         (diagnostic_report_diagnostic): ... here, and turn them into real
4699         errors. If warnings are inhibited, no need to do anything.
4700
4701 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4702
4703         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4704         better code generation.
4705
4706 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4707
4708         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4709
4710 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4711
4712         * config/alpha/alpha.c, config/alpha/alpha.md,
4713         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4714         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4715         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4716         config/arm/lib1funcs.asm: Follow spelling conventions.
4717
4718         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4719         config/fr30/fr30.md, config/i386/i386.h,
4720         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4721         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4722         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4723         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4724         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4725         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4726         config/sparc/sparc.c, config/sparc/sparc.h,
4727         config/sparc/sparc.md, config/spu/constraints.md,
4728         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4729         conventions.
4730
4731 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4732
4733         PR target/29943
4734         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4735         alias attribute.
4736
4737 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4738
4739         * doc/invoke.texi (-ftree-lrs): Remove.
4740
4741 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4742
4743         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4744         NULL.
4745
4746 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4747
4748         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4749         new CALL_EXPR_FN macro for retrieving the function
4750         declaration of the input expression.
4751
4752 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4753
4754         * c.opt (Waddress): New.
4755         * common.opt (Walways-true): Delete.
4756         (Wstring-literal-comparison): Delete.
4757         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4758         -Wstring-literal-comparison. Add -Waddress.
4759         (Waddress): New.
4760         (Walways-true): Delete.
4761         (Wstring-literal-comparison): Delete.
4762         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4763         consistently instead of -Walways-true in example.
4764         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4765         * c-typeck.c (parser_build_binary_op): Replace
4766         -Wstring-literal-comparison and -Walways-true with -Waddress.
4767         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4768         with -Waddress.
4769
4770 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4771
4772         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4773         without DECL_STRUCT_FUNCTION initialized.
4774
4775 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4776
4777         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4778         due to calls to functions taking pointers as parameters.
4779
4780 2007-02-19  Richard Henderson  <rth@redhat.com>
4781
4782         PR debug/29558
4783         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4784         in memory.
4785
4786 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4787
4788         * config/s390/s390.c (s390_call_saved_register_used,
4789         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4790         accessed to the new scheme.
4791
4792 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4793
4794         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4795         (cris_print_index, cris_print_operand, cris_print_operand_address)
4796         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4797         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4798         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4799         GET_CODE () == xxx.
4800         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4801         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4802         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4803         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4804         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4805         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4806         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4807         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4808         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4809         (uminsi3, call, call_value): Ditto.
4810         (define_split: indir_to_reg_split, unnamed): Ditto.
4811
4812 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4813
4814         PR tree-optimization/30975
4815         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4816         wrong assert.
4817
4818 2007-02-18  Eric Christopher  <echristo@gmail.com>
4819
4820         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4821         Remove use of arglist.
4822         (mips_expand_builtin): Remove use of arglist, pass in expr.
4823         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4824         (mips_expand_builtin_movtf): Ditto.
4825         (mips_expand_builtin_compare): Ditto.
4826
4827 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4828
4829         * tree-sra.c (sra_build_assignment): Replace assertion
4830         checking with a comment explaining why it can't be done.
4831
4832 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4833
4834         PR middle-end/30833
4835         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4836         during CALL_EXPR representation conversion.
4837         * tree-ssa-propagate.c (set_rhs): Likewise.
4838
4839 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4840
4841         * tree-sra.c (sra_build_assignment): Disable assertion checking
4842         for now.
4843
4844 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4845
4846         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4847         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4848         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4849         Likewise.
4850         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4851         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4852         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4853         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4854         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4855         force_gimple_operand): Likewise.
4856         * ipa-cp.c (constant_val_insert): Likewise.
4857         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4858         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4859         perfect_nestify): Likewise.
4860         * langhooks.c (lhd_omp_assignment): Likewise.
4861         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4862         lower_copyprivate_clauses, lower_send_clauses,
4863         lower_send_shared_vars, expand_parallel_call,
4864         expand_omp_for_generic, expand_omp_for_static_nochunk,
4865         expand_omp_for_static_chunk, expand_omp_sections,
4866         lower_omp_single_copy, lower_omp_for_lastprivate,
4867         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4868         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4869         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4870         Likewise.
4871
4872 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4873
4874         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4875         config/sh/sh.md: Follow spelling conventions.
4876
4877         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4878         config/frv/predicates.md: Follow spelling conventions.
4879
4880         * config/m68k/linux-unwind.h: Fix a comment typo.
4881         * target.h: Follow spelling conventions.
4882
4883 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4884
4885         PR rtl-optimization/28173
4886         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4887         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4888         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4889         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4890         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4891
4892 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4893
4894         * builtins.c (fold_builtin_load_exponent): New.
4895         (fold_builtin_2): Use it.
4896
4897 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4898
4899         PR rtl-optimization/30773
4900         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4901         if we fail to attach a REG_EQUIV note.
4902
4903 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4904             Roger Sayle  <roger@eyesopen.com>
4905
4906         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4907
4908 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4909
4910         * calls.c (initialize_argument_information): Pass original EXP
4911         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4912         code to split complex arguments here, as part of initializing the
4913         ARGS array.
4914         (expand_call): Remove code that builds a list of arguments and
4915         inserts implicit arguments into it.  Instead, just count how many
4916         implicit arguments there will be so we can determine the size of
4917         the ARGS array, and let initialize_argument_information do the work.
4918         (split_complex_values): Delete unused function.
4919
4920 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4921
4922         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4923
4924 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4925
4926         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4927         for arg pointer based indexed addressing.
4928
4929 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4930
4931         * config/ia64/ia64.h, config/ia64/ia64.md,
4932         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4933         spelling conventions.
4934
4935 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4936
4937         * config/m68k/m68k.c (split_di): New.
4938         * config/m68k/m68k-protos.h: Declare split_di.
4939         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4940           Improve predicate handling and split constant shifts.
4941
4942 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4943
4944         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4945         parameter for register bitfield operations, general predicates
4946         cleanup
4947
4948 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4949
4950         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4951         * config/m68k/linux-unwind.h: New file.
4952
4953 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4954
4955         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4956         config/i386/athlon.md, config/ia64/ia64.md,
4957         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4958         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4959         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4960         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4961         tree-vect-transform.c: Fix comment typos.
4962
4963 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4964
4965         * sched-deps.c (find_insn_list): Remove.
4966         * sched-int.h: Remove the prototype for find_insn_list.
4967
4968 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4969
4970         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4971         to linker.
4972         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4973         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4974         darwin_rs6000_override_options.
4975         (C_COMMON_OVERRIDE_OPTIONS): Expect
4976         darwin_macosx_version_min to be non-NULL always.
4977         (TARGET_C99_FUNCTIONS): Likewise.
4978         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4979         (DARWIN_MINVERSION_SPEC): New.
4980         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4981         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4982         to cc1*.
4983         (DARWIN_MINVERSION_SPEC): New.
4984         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4985         value.
4986         * config/darwin-c.c (darwin_cpp_builtins): Expect
4987         darwin_macosx_version_min to be non-NULL always.
4988
4989         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4990
4991 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4992
4993         * config/i386/i386.h (x86_use_xchgb): New.
4994         (TARGET_USE_XCHGB): New macro.
4995         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4996         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4997         Split after reload into bswaphi for shifts of 8.
4998         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4999         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5000         or when optimizing for size.
5001
5002 2007-02-16  Richard Guenther  <rguenther@suse.de>
5003             Christian Bruel  <christian.bruel@st.com>
5004
5005         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5006         DECLs but prefer SSA_NAMEs over DECLs.
5007
5008 2007-02-16  Richard Guenther  <rguenther@suse.de>
5009
5010         * tree-flow-inline.h (single_imm_use_p): Remove.
5011         (zero_imm_uses_p): Likewise.
5012         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5013         instead of single_imm_use_p.
5014         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5015         zero_imm_uses_p.
5016
5017 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5018
5019         PR other/27843
5020         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5021         nested double- and backquotes.
5022
5023 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5024
5025         PR middle-end/30391
5026         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5027         should be unreachable.
5028         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5029         For the time being redirect GIMPLE_MODIFY_STMT to the new
5030         (renamed) build_gimple_modify_stmt_stat.
5031         (build2_gimple_stat): Rename to...
5032         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5033         Always build a GIMPLE_MODIFY_STMT node.
5034         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5035         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5036         declarations.
5037
5038         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5039         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5040         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5041         expand_complex_div_wide): Likewise.
5042         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5043         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5044         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5045         * tree-ssa-loop-manip.c (create_iv): Likewise.
5046         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5047         abs_replacement): Likewise.
5048         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5049         realify_fake_stores): Likewise.
5050
5051         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5052         node rather than a GIMPLE_MODIFY_STMT node.
5053         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5054         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5055         Likewise.
5056         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5057         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5058         GIMPLE_MODIFY_STMT.
5059
5060 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5061
5062         PR middle-end/30433
5063         * fold-const.c (fold_comparison): Add back the
5064         folding of constant complex comparisions.
5065
5066 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5067
5068         PR middle-end/30729
5069         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5070         effects unknown to this function, return early.
5071
5072 2007-02-15  Ian Lance Taylor  <iant@google.com>
5073
5074         * lower-subreg.c (move_eh_region_note): New static function.
5075         (resolve_simple_move): Call it.
5076         (decompose_multiword_subregs): Track blocks for which we resolve a
5077         simple move which is also a control flow insn.  Pass them to
5078         find_many_sub_basic_blocks.
5079         (pass_lower_subreg): Add TODO_verify_flow.
5080         (pass_lower_subreg2): Likewise.
5081
5082 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5083             Brooks Moses  <brooks.moses@codesourcery.com>
5084             Lee Millward  <lee.millward@codesourcery.com>
5085
5086         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5087         (VL_EXP_CLASS_P): New.
5088         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5089         TREE_CODE_LENGTH.
5090         (TREE_OPERAND_CHECK_CODE): Likewise.
5091         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5092         (TREE_RTL_OPERAND_CHECK): Likewise.
5093         (tree_operand_check_failed): Make second parameter the whole tree
5094         instead of its code.  Fixed callers.
5095         (VL_EXP_CHECK): New.
5096         (TREE_OPERAND_LENGTH): New.
5097         (VL_EXP_OPERAND_LENGTH): New.
5098         (CALL_EXPR_FN): New.
5099         (CALL_EXPR_STATIC_CHAIN): New.
5100         (CALL_EXPR_ARGS): New.
5101         (CALL_EXPR_ARG): New.
5102         (call_expr_nargs): New.
5103         (CALL_EXPR_ARGP): New.
5104         (build_nt_call_list): Declare.
5105         (build_vl_exp_stat): Declare.
5106         (build_vl_exp): New.
5107         (build_call_list): Declare.
5108         (build_call_nary): Declare.
5109         (build_call_valist): Declare.
5110         (build_call_array): Declare.
5111         (call_expr_arg): Declare.
5112         (call_expr_argp): Declare.
5113         (call_expr_arglist): Declare.
5114         (fold_build_call_list): Declare.
5115         (fold_build_call_list_initializer): Declare.
5116         (fold_call_expr): Declare to replace fold_builtin.
5117         (fold_builtin_fputs): Update to agree with modified definition.
5118         (fold_builtin_strcpy): Likewise.
5119         (fold_builtin_strncpy): Likewise.
5120         (fold_builtin_memory_chk): Likewise.
5121         (fold_builtin_stxcpy_chk): Likewise.
5122         (fold_builtin_strncpy_chk): Likewise.
5123         (fold_builtin_next_arg): Likewise.
5124         (fold_build_call_expr): Declare.
5125         (fold_builtin_call_list): Declare.
5126         (fold_builtin_call_valist): Declare.
5127         (build_call_expr): Declare.
5128         (validate_arglist): Update to agree with modified definition.
5129         (tree_operand_length): New.
5130         (call_expr_arg_iterator): New.
5131         (init_call_expr_arg_iterator): New.
5132         (next_call_expr_arg): New.
5133         (first_call_expr_arg): New.
5134         (more_call_expr_args_p): New.
5135         (FOR_EACH_CALL_EXPR_ARG): New.
5136
5137         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5138         and tcc_gimple_stmt.
5139         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5140         than sizeof (char *).
5141         (tree_size): Likewise.  Add case for tcc_vl_exp.
5142         (tree_node_structure): Add case for tcc_vl_exp.
5143         (contains_placeholder_p): Likewise.
5144         (substitute_in_expr): Likewise.
5145         (substitute_placeholder_in_expr): Likewise.
5146         (stabilize_reference_1): Likewise.
5147         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5148         to diagnose breakage of this interface for constructing CALL_EXPRs.
5149         (build_nt): Add similar assertion here.
5150         (build_nt_call_list): New.
5151         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5152         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5153         TREE_CODE_LENGTH.
5154         (get_callee_fndecl): Use new CALL_EXPR accessors.
5155         (tree_operand_check_failed): Change parameters to pass entire node
5156         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5157         (process_call_operands): New.
5158         (build_vl_exp_stat): New.
5159         (build_call_list): New.
5160         (build_call_nary): New.
5161         (build_call_valist): New.
5162         (build_call_array): New.
5163         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5164         (call_expr_arglist): New.
5165
5166         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5167         tcc_vl_exp instead of a fixed-size tcc_expression.
5168
5169         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5170         accessors for CALL_EXPRs.
5171         (AGGR_INIT_EXPR): Likewise.
5172
5173 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5174             Brooks Moses  <brooks.moses@codesourcery.com>
5175             Lee Millward  <lee.millward@codesourcery.com>
5176
5177         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5178         (expand_builtin_nonlocal_goto): Change parameter to be entire
5179         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5180         (expand_builtin_prefetch): Likewise.
5181         (expand_builtin_classify_type): Likewise.
5182         (mathfn_built_in): Return NULL_TREE instead of 0.
5183         (expand_errno_check): Use new CALL_EXPR accessors.
5184         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5185         Return NULL_RTX instead of 0.
5186         (expand_builtin_mathfn_2): Likewise.
5187         (expand_builtin_mathfn_3): Likewise.
5188         (expand_builtin_interclass_mathfn): Likewise.
5189         (expand_builtin_sincos): Likewise.
5190         (expand_builtin_cexpi): Likewise.
5191         (expand_builtin_int_roundingfn): Likewise.
5192         (expand_builtin_int_roundingfn_2): Likewise.
5193         (expand_builtin_pow): Likewise.
5194         (expand_builtin_powi): Likewise.
5195         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5196         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5197         accessors and constructors.  Return NULL_RTX instead of 0.
5198         (expand_builtin_strstr): Likewise.
5199         (expand_builtin_strchr): Likewise.
5200         (expand_builtin_strrchr): Likewise.
5201         (expand_builtin_strpbrk): Likewise.
5202         (expand_builtin_memcpy): Likewise.
5203         (expand_builtin_mempcpy): Likewise.
5204         (expand_builtin_mempcpy_args): New.
5205         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5206         (expand_builtin_memmove_args): New.
5207         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5208         (expand_movstr): Likewise.
5209         (expand_builtin_strcpy): Likewise.
5210         (expand_builtin_strcpy_args): New.
5211         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5212         (expand_builtin_strncpy): Likewise.
5213         (expand_builtin_memset): Likewise.
5214         (expand_builtin_memset_args): New.
5215         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5216         (expand_builtin_memcmp): Likewise.
5217         (expand_builtin_strcmp): Likewise.
5218         (expand_builtin_strncmp): Likewise.
5219         (expand_builtin_strcat): Likewise.
5220         (expand_builtin_strncat): Likewise.
5221         (expand_builtin_strspn): Likewise.
5222         (expand_builtin_strcspn): Likewise.
5223         (expand_builtin_args_info): Likewise.
5224         (expand_builtin_va_start): Likewise.
5225         (gimplify_va_arg_expr): Likewise.
5226         (expand_builtin_va_end): Likewise.
5227         (expand_builtin_va_copy): Likewise.
5228         (expand_builtin_frame_address): Likewise.
5229         (expand_builtin_alloca): Likewise.
5230         (expand_builtin_bswap): Likewise.
5231         (expand_builtin_unop): Likewise.
5232         (expand_builtin_fputs): Likewise.
5233         (expand_builtin_expect): Likewise.
5234         (expand_builtin_fabs): Likewise.
5235         (expand_builtin_copysign): Likewise.
5236         (expand_builtin_printf): Likewise.
5237         (expand_builtin_fprintf): Likewise.
5238         (expand_builtin_sprintf): Likewise.
5239         (expand_builtin_init_trampoline): Likewise.
5240         (expand_builtin_signbit): Likewise.
5241         (expand_builtin_fork_or_exec): Likewise.
5242         (expand_builtin_sync_operation): Likewise.
5243         (expand_builtin_compare_and_swap): Likewise.
5244         (expand_builtin_lock_test_and_set): Likewise.
5245         (expand_builtin_lock_release): Likewise.
5246         (expand_builtin): Likewise.
5247         (builtin_mathfn_code): Likewise.
5248
5249         (fold_builtin_constant_p): Pass call arguments individually instead
5250         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5251         accessors and constructors.  Return NULL_TREE instead of 0.
5252         (fold_builtin_expect): Likewise.
5253         (fold_builtin_classify_type): Likewise.
5254         (fold_builtin_strlen): Likewise.
5255         (fold_builtin_nan): Likewise.
5256         (integer_valued_real_p): Likewise.
5257         (fold_trunc_transparent_mathfn): Likewise.
5258         (fold_fixed_mathfn): Likewise.
5259         (fold_builtin_cabs): Likewise.
5260         (fold_builtin_sqrt): Likewise.
5261         (fold_builtin_cbrt): Likewise.
5262         (fold_builtin_cos): Likewise.
5263         (fold_builtin_cosh): Likewise.
5264         (fold_builtin_tan): Likewise.
5265         (fold_builtin_sincos): Likewise.
5266         (fold_builtin_cexp): Likewise.
5267         (fold_builtin_trunc): Likewise.
5268         (fold_builtin_floor): Likewise.
5269         (fold_builtin_ceil): Likewise.
5270         (fold_builtin_round): Likewise.
5271         (fold_builtin_int_roundingfn): Likewise.
5272         (fold_builtin_bitop): Likewise.
5273         (fold_builtin_bswap): Likewise.
5274         (fold_builtin_logarithm): Likewise.
5275         (fold_builtin_hypot): Likewise.
5276         (fold_builtin_pow): Likewise.
5277         (fold_builtin_powi): Likewise.
5278         (fold_builtin_exponent): Likewise.
5279         (fold_builtin_memset): Likewise.
5280         (fold_builtin_bzero): Likewise.
5281         (fold_builtin_memory_op): Likewise.
5282         (fold_builtin_bcopy): Deleted; call site changed to invoke
5283         fold_builtin_memory_op directly.
5284         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5285         (fold_builtin_strncpy): Likewise.
5286         (fold_builtin_memcmp): Likewise.
5287         (fold_builtin_strcmp): Likewise.
5288         (fold_builtin_strncmp): Likewise.
5289         (fold_builtin_signbit): Likewise.
5290         (fold_builtin_copysign): Likewise.
5291         (fold_builtin_isascii): Likewise.
5292         (fold_builtin_toascii): Likewise.
5293         (fold_builtin_isdigit): Likewise.
5294         (fold_builtin_fabs): Likewise.
5295         (fold_builtin_abs): Likewise.
5296         (fold_builtin_fmin_fmax): Likewise.
5297         (fold_builtin_carg): Likewise.
5298         (fold_builtin_classify): Likewise.
5299         (fold_builtin_unordered_cmp): Likewise.
5300
5301         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5302         New functions split out from fold_builtin_1.
5303         (fold_builtin_n): New.
5304         (fold_builtin_varargs): New.
5305         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5306         instead.
5307         (fold_call_expr): New.
5308         (build_function_call_expr): Rewrite to use new helper function.
5309         (fold_builtin_call_list): New.
5310         (build_call_expr): New.
5311         (fold_builtin_call_valist): New.
5312         (rewrite_call_expr): New.
5313         (validate_arg): New.
5314         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5315         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5316         accessors.
5317
5318         (fold_builtin_strstr):  Pass call arguments individually instead
5319         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5320         accessors and constructors.  Return NULL_TREE instead of 0.
5321         (fold_builtin_strchr): Likewise.
5322         (fold_builtin_strrchr): Likewise.
5323         (fold_builtin_strpbrk): Likewise.
5324         (fold_builtin_strcat): Likewise.
5325         (fold_builtin_strncat): Likewise.
5326         (fold_builtin_strspn): Likewise.
5327         (fold_builtin_strcspn): Likewise.
5328         (fold_builtin_fputs): Likewise.
5329         (fold_builtin_next_arg): Likewise.
5330         (fold_builtin_sprintf): Likewise.
5331
5332         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5333         NULL_RTX instead of 0.
5334         (expand_builtin_memory_chk): Likewise.
5335         (maybe_emit_chk_warning): Likewise.
5336         (maybe_emit_sprintf_chk_warning): Likewise.
5337
5338         (fold_builtin_object_size): Pass call arguments individually instead
5339         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5340         accessors and constructors.  Return NULL_TREE instead of 0.
5341         (fold_builtin_memory_chk): Likewise.
5342         (fold_builtin_stxcpy_chk): Likewise.
5343         (fold_builtin_strncpy_chk): Likewise.
5344         (fold_builtin_strcat_chk): Likewise.
5345         (fold_builtin_strcat_chk): Likewise.
5346         (fold_builtin_strncat_chk): Likewise.
5347         (fold_builtin_sprintf_chk): Likewise.
5348         (fold_builtin_snprintf_chk): Likewise.
5349         (fold_builtin_printf): Likewise.
5350         (fold_builtin_vprintf): Likewise.
5351
5352         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5353         constructors.
5354         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5355         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5356         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5357         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5358         (fold_unary): Likewise.
5359         (fold_binary): Likewise.
5360         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5361         ternary expressions.
5362         (fold): Add logic for tcc_vl_exp.
5363         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5364         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5365         (fold_build3_stat): Add assertion to flag broken interface for
5366         constructing CALL_EXPRs.
5367         (fold_build_call_list): New.
5368         (fold_build_call_list_initializer): New.
5369         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5370         constructors.
5371         (fold_strip_sign_ops): Likewise.
5372
5373 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5374             Brooks Moses  <brooks.moses@codesourcery.com>
5375             Lee Millward  <lee.millward@codesourcery.com>
5376
5377         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5378         accessors and dump arguments explicitly.
5379
5380         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5381         TREE_CODE_LENGTH.
5382         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5383         explicitly.
5384         (print_call_name): Use new CALL_EXPR accessors.
5385
5386         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5387         CALL_EXPR arguments explicitly instead of as a list.  Use
5388         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5389
5390         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5391         (vrp_visit_stmt): Likewise.
5392
5393         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5394         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5395         TREE_CODE_LENGTH.
5396         (force_move_till_expr): Likewise.
5397
5398         * targhooks.c (default_external_stack_protect_fail): Use
5399         build_call_expr instead of build_function_call_expr.
5400         (default_hidden_stack_protect_fail): Likewise.
5401
5402         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5403         build the call.
5404
5405         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5406         and walk arguments explicitly.
5407
5408         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5409         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5410         (expand_simple_operations): Likewise.
5411         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5412
5413         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5414         of TREE_CODE_LENGTH.
5415         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5416
5417         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5418         instead of TREE_CODE_LENGTH.
5419
5420         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5421         (tree_ic_transform): Likewise.
5422         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5423         parameter instead of arglist.  Fix callers.
5424         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5425         (tree_stringops_transform): Likewise.
5426         (tree_indirect_call_to_profile): Likewise.
5427         (tree_stringops_values_to_profile): Likewise.
5428
5429         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5430         (eliminate_tail_call): Likewise.
5431
5432         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5433
5434         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5435         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5436         operands.
5437         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5438
5439         * omp-low.c (build_omp_barrier): Use build_call_expr.
5440         (lower_rec_input_clauses): Likewise.
5441         (lower_reduction_clauses): Likewise.
5442         (expand_parallel_call): Likewise.
5443         (maybe_catch_exception): Likewise.
5444         (expand_omp_for_generic): Likewise.
5445         (expand_omp_for_static_nochunk): Likewise.
5446         (expand_omp_sections): Likewise.
5447         (lower_omp_single_simple): Likewise.
5448         (lower_omp_single_copy): Likewise.
5449         (lower_omp_master): Likewise.
5450         (lower_omp_ordered): Likewise.
5451         (lower_omp_critical): Likewise.
5452
5453         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5454         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5455
5456         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5457         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5458         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5459
5460         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5461         and generalize to handle any number of operands.
5462         (chrec_contains_undetermined): Likewise.
5463         (tree_contains_chrecs): Likewise.
5464         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5465
5466         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5467
5468         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5469         fold_call_expr instead of fold_builtin.
5470         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5471         match declarations there.
5472         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5473         updates.
5474
5475         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5476         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5477
5478         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5479         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5480
5481         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5482         accessors.
5483
5484         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5485         (execute_cse_sincos): Use new CALL_EXPR accessors.
5486
5487         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5488
5489         * gimple-low.c (lower_function_body): Use build_call_expr.
5490         (lower_builtin_setjmp): Likewise.
5491
5492         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5493         (set_storage_via_libcall): Likewise.
5494         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5495         instead of TREE_CODE_LENGTH.
5496         (expand_expr_real_1): Use new CALL_EXPR accessors.
5497
5498         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5499         generalize to handle any number of operands.
5500         (TB_parent_eq): Likewise.
5501
5502         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5503         (strip_builtin_expect): Likewise.
5504
5505         * function.c (gimplify_parameters): Use build_call_expr.
5506
5507         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5508         instead of TREE_CODE_LENGTH.
5509
5510         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5511         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5512
5513         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5514         iterators.
5515
5516         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5517         (gimplify_decl_expr): Likewise.
5518         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5519         Use new CALL_EXPR iterators.
5520         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5521         (gimplify_modify_expr_to_memset): Likewise.
5522         (gimplify_variable_sized_compare): Likewise.
5523         (gimplify_omp_atomic_fetch_op): Likewise.
5524         (gimplify_omp_atomic_pipeline): Likewise.
5525         (gimplify_omp_atomic_mutex): Likewise.
5526         (gimplify_function_tree): Likewise.
5527
5528         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5529         (call_expr_flags): Likewise.
5530         (expand_call): Likewise.
5531
5532         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5533         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5534         accessors.
5535
5536         * coverage.c (create_coverage): Use build_call_expr.
5537
5538         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5539         (temp_call_expr_obstack): New.
5540         (pool_copy_list): Delete.
5541         (temp_copy_call_expr): New.
5542         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5543         CALL_EXPR accessors.  Get rid of special goo for copying argument
5544         lists and use temp_copy_call_expr instead.
5545         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5546         CALL_EXPR accessors.
5547         (create_expression_by_pieces): Likewise.  Use build_call_array
5548         to construct the result instead of fold_build3.
5549         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5550         dealing with argument lists.
5551         (init_pre): Remove references to expression_node_pool and
5552         list_node_pool.  Init temp_call_expr_obstack instead.
5553         (fini_pre): Remove references to expression_node_pool and
5554         list_node_pool.
5555
5556         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5557         and walk arguments explicitly instead of as a list.
5558
5559         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5560         (mx_register_decls): Likewise.
5561         (mudflap_register_call): Likewise.
5562         (mudflap_finish_file): Likewise.
5563
5564         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5565         (ipa_callsite_compute_param): Likewise.
5566
5567         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5568         accessors and constructor.
5569
5570         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5571         accessors and constructor.
5572         (convert_tramp_reference): Likewise.
5573         (convert_call_expr): Likewise.
5574         (finalize_nesting_tree_1): Likewise.
5575
5576         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5577         accessors.
5578
5579         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5580
5581         * tree-inline.c (initialize_inlined_parameters): Pass entire
5582         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5583         accessors.
5584         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5585         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5586
5587         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5588         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5589         (vectorizable_reduction): Likewise.
5590         (vectorizable_call): Use new CALL_EXPR iterators.
5591         (vectorizable_conversion): Use build_call_expr.
5592         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5593         (vect_gen_widened_results_half): Use build_call_expr.
5594         (vect_setup_realignment): Likewise.
5595         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5596
5597         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5598         (pass_through_call): Likewise.
5599         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5600         fold_builtin.
5601
5602         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5603         (tree_gen_pow2_profiler): Likewise.
5604         (tree_gen_one_value_profiler): Likewise.
5605         (tree_gen_ic_func_profiler): Likewise.
5606         (tree_gen_average_profiler): Likewise.
5607         (tree_gen_ior_profiler): Likewise.
5608
5609         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5610         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5611         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5612
5613         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5614         of TREE_CODE_LENGTH.
5615
5616         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5617         of TREE_CODE_LENGTH.
5618
5619         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5620         constructor.
5621         (convert_to_integer): Likewise.
5622
5623         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5624         accessors.
5625
5626 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5627             Brooks Moses  <brooks.moses@codesourcery.com>
5628             Lee Millward  <lee.millward@codesourcery.com>
5629
5630         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5631         accessors.
5632         * config/frv/frv.c (frv_expand_builtin): Likewise.
5633         * config/s390/s390.c (s390_expand_builtin): Likewise.
5634
5635         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5636         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5637
5638         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5639         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5640         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5641         (ix86_expand_store_builtin): Likewise.
5642         (ix86_expand_unop_builtin): Likewise.
5643         (ix86_expand_unop1_builtin): Likewise.
5644         (ix86_expand_sse_compare): Likewise.
5645         (ix86_expand_sse_comi): Likewise.
5646         (ix86_expand_vec_init_builtin): Likewise.
5647         (ix86_expand_vec_ext_builtin): Likewise.
5648         (ix86_expand_vec_set_builtin): Likewise.
5649         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5650
5651         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5652         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5653
5654         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5655         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5656         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5657
5658         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5659         build_call_expr.
5660         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5661         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5662         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5663         (altivec_expand_abs_builtin): Likewise.
5664         (rs6000_expand_binop_builtin): Likewise.
5665         (altivec_expand_predicate_builtin): Likewise.
5666         (altivec_expand_lv_builtin): Likewise.
5667         (spe_expand_stv_builtin): Likewise.
5668         (altivec_expand_stv_builtin): Likewise.
5669         (rs6000_expand_ternop_builtin): Likewise.
5670         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5671         (altivec_expand_st_builtin): Likewise.
5672         (altivec_expand_dst_builtin): Likewise.
5673         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5674         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5675         (altivec_expand_vec_set_builtin): Likewise.
5676         (altivec_expand_vec_ext_builtin): Likewise.
5677         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5678         (spe_expand_builtin): Likewise.
5679         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5680         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5681         (spe_expand_evsel_builtin): Likewise.
5682         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5683         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5684
5685         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5686         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5687         (arm_expand_unop_builtin): Likewise.
5688         (arm_expand_builtin): Use new CALL_EXPR accessors.
5689
5690         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5691         accessors.
5692
5693         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5694         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5695         (bfin_expand_unop_builtin): Likewise.
5696         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5697
5698 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5699             Brooks Moses  <brooks.moses@codesourcery.com>
5700             Lee Millward  <lee.millward@codesourcery.com>
5701
5702         * c-semantics.c (build_stmt): Add internal diagnostic check.
5703
5704         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5705         accessors.  Print arguments explicitly instead of as a list.
5706
5707         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5708
5709         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5710         (c_finish_omp_flish): Likewise.
5711
5712         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5713         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5714         instead of TREE_CODE_LENGTH.
5715         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5716         (c_warn_unused_result): Likewise.
5717
5718 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5719
5720         PR c/26494
5721         * doc/invoke.texi (Warning Options): Remove
5722         -Werror-implicit-function-declaration.
5723         (Wimplicit-function-declaration): Update description.
5724         * opts.c (common_handle_option): Move handling of -Werror=* to...
5725         (enable_warning_as_error): ...here.
5726         * opts.h (enable_warning_as_error): Declare.
5727         * c-decl.c (implicit_decl_warning): Unless
5728         -Wno-implicit-function-declaration is given, emit a pedwarn if
5729         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5730         * c.opt (Wimplicit-function-declaration): Replace
5731         mesg_implicit_function_declaration with
5732         warn_implicit_function_declaration.
5733         * c-opts.c (c_common_handle_option):
5734         -Werror-implicit-function-declaration is exactly equal as
5735         -Werror=implicit-function-declaration.
5736         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5737         warn_implicit_function_declaration.
5738         (c_common_post_options): -Wimplict-function-declaration is enabled
5739         by default by -std=c99, otherwise is disabled by default.
5740         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5741
5742 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5743
5744         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5745         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5746         former is ignored but not the latter.
5747
5748 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5749
5750         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5751         is made and the reference doesn't use the alias set of its type,
5752         do not create the temporary using that type.
5753
5754 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5755
5756         * jump.c: Remove prototypes for delete_computation and
5757         delete_prior_computation.
5758
5759 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5760
5761         * jump.c (get_label_after): Delete.
5762         (get_label_before, delete_computation, delete_jump,
5763         delete_prior_computation, follow_jumps): Move...
5764         * reorg.c (delete_computation, delete_prior_computation): ... here...
5765         (get_label_before, delete_jump): ... making these static ...
5766         (follow_jumps): ... and simplifying this since it only runs after
5767         reload.
5768         * rtl.h (get_label_after, get_label_before, delete_jump,
5769         follow_jumps): Delete prototypes.
5770
5771 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5772
5773         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5774
5775 2007-02-15  Nick Clifton  <nickc@redhat.com>
5776
5777         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5778         order to prevent it from being munged by the target.
5779
5780 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5781
5782         * config/i386/i386.md: Remove misleading comment.
5783
5784 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5785
5786         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5787         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5788         invalid patterns.
5789
5790 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5791
5792         * tree-sra.c (instantiate_missing_elements): Canonicalize
5793         bit-field types.
5794         (sra_build_assignment): New.
5795         (generate_copy_inout, generate_element_copy,
5796         generate_element_zero, generate_one_element_init): Use it.
5797
5798 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5799
5800         * tree-sra.c (instantiate_missing_elements): Canonicalize
5801         bit-field types.
5802         (sra_build_assignment): New.
5803         (generate_copy_inout, generate_element_copy,
5804         generate_element_zero, generate_one_element_init): Use it.
5805
5806 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5807
5808         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5809         limbo die nodes.
5810
5811 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5812
5813         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5814         types as aggregates not scalars.
5815         * function.c (assign_stack_temp_for_type): Likewise.
5816
5817 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5818             Zdenek Dvorak  <dvorakz@suse.cz>
5819
5820         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5821         name.
5822
5823 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5824
5825         * passes.c (next_pass_1): Clear the next field of the copied
5826         pass structure.
5827
5828 2007-02-14  Richard Henderson  <rth@redhat.com>
5829
5830         * tree-sra.c (early_sra): New.
5831         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5832         (tree_sra_early, pass_sra_early): New.
5833         * tree-pass.h (pass_sra_early): Declare.
5834         * passes.c (init_optimization_passes): Use it.
5835
5836 2007-02-14  Richard Guenther  <rguenther@suse.de>
5837
5838         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5839
5840 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5841
5842          PR tree-optimization/30771
5843         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5844         also phi nodes.
5845         (vect_analyze_operations): Induction phis can now be marked as
5846         used_in_loop.
5847         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5848         Update documentation accordingly.
5849
5850 2007-02-14  Nick Clifton  <nickc@redhat.com>
5851
5852         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5853         most 3 arguments are supported.
5854         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5855
5856 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5857
5858         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5859         Ensure dst->current is valid.
5860
5861 2007-02-13  Paul Brook  <paul@codesourcery.com>
5862
5863         * config.gcc: Add arm*-*-uclinux-*eabi.
5864         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5865         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5866         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5867         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5868         (LINK_SPEC): Define.
5869         (LIB_SPEC): Define.
5870         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5871         register.
5872         * config/arm/uclinux-eabi.h: New file.
5873         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5874         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5875         based targets.
5876
5877 2007-02-13  Ian Lance Taylor  <iant@google.com>
5878
5879         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5880         * flags.h (warn_strict_overflow): Declare.
5881         (enum warn_strict_overflow_code): Define.
5882         (issue_strict_overflow_warning): New static inline function.
5883         * opts.c (warn_strict_overflow): New variable.
5884         (common_handle_option): Handle OPT_Wstrict_overflow and
5885         OPT_Wstrict_overflow_.
5886         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5887         OPT_Wall.
5888         * fold-const.c: Include intl.h.
5889         (fold_deferring_overflow_warnings): New static variable.
5890         (fold_deferred_overflow_warning): New static variable.
5891         (fold_deferred_overflow_code): New static variable.
5892         (fold_defer_overflow_warnings): New function.
5893         (fold_undefer_overflow_warnings): New function.
5894         (fold_undefer_and_ignore_overflow_warnings): New function.
5895         (fold_deferring_overflow_warnings_p): New function.
5896         (fold_overflow_warning): New static function.
5897         (make_range): Add strict_overflow_p parameter.  Change all
5898         callers.
5899         (extract_muldiv, extract_muldiv_1): Likewise.
5900         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5901         tree_expr_nonnegative_p.
5902         (fold_negate_expr): Call fold_overflow_warning.
5903         (fold_range_test): Likewise.
5904         (fold_comparison): Likewise.
5905         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5906         instead of tree_expr_nonnegative_p.
5907         (tree_expr_nonnegative_warnv_p): Rename from
5908         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5909         (tree_expr_nonnegative_p): New function.
5910         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5911         strict_overflow_p parameter.
5912         (tree_expr_nonzero_p): New function.
5913         * passes.c (verify_interpass_invariants): New static function.
5914         (execute_one_pass): Call it.
5915         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5916         warnings.
5917         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5918         (estimate_numbers_of_iterations): Likewise.
5919         (scev_probably_wraps_p): Likewise.
5920         * tree-ssa-ccp.c: Include "toplev.h".
5921         (evaluate_stmt): Defer fold overflow warnings until we know we are
5922         going to optimize.
5923         (struct fold_stmt_r_data): Add stmt field.
5924         (fold_stmt_r): Defer fold overflow warnings until we know we
5925         optimized.
5926         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5927         (fold_stmt_inplace): Likewise.
5928         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5929         (cleanup_control_expr_graph): Defer fold overflow warnings until
5930         we know we are going to optimize.
5931         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5932         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5933         Likewise.
5934         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5935         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5936         * tree-ssa-loop-manip.c (create_iv): Likewise.
5937         * c-typeck.c (build_conditional_expr): Likewise.
5938         (build_binary_op): Likewise.
5939         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5940         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5941         (extract_range_from_unary_expr): Likewise.
5942         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5943         assuming that signed overflow does not occur.
5944         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5945         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5946         (fold_defer_overflow_warnings): Declare.
5947         (fold_undefer_overflow_warnings): Declare.
5948         (fold_undefer_and_ignore_overflow_warnings): Declare.
5949         (fold_deferring_overflow_warnings_p): Declare.
5950         (tree_expr_nonzero_warnv_p): Declare.
5951         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5952         of warning options.
5953         (Warning Options): Document -Wstrict-overflow.
5954         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5955         (tree-ssa-ccp.o): Likewise.
5956         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5957         (fold-const.o): Depend on intl.h.
5958
5959 2007-02-13  Ian Lance Taylor  <iant@google.com>
5960
5961         PR middle-end/30751
5962         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5963         addresses.
5964
5965 2007-02-13  Stuart Hastings  <stuart@apple.com>
5966
5967         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5968
5969 2007-02-13  Richard Henderson  <rth@redhat.com>
5970
5971         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5972         handled_component_p before looking for the indirect_ref.
5973
5974 2007-02-13  Richard Henderson  <rth@redhat.com>
5975
5976         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5977         remove flags clobber.
5978         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5979         (bswaphi_lowpart): New.
5980         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5981         remove TARGET_BSWAP test.  Delete expander of the same name.
5982
5983         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5984         (expand_unop): Use them.
5985
5986 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5987
5988         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5989         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5990         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5991         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5992         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5993         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5994         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5995         assembler dialect choice from asm templates.
5996
5997 2007-02-12  Richard Henderson  <rth@redhat.com>
5998
5999         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6000         (fixuns_trunc<SSEMODEF>si2): Use it.
6001         * config/i386/sse.md (vec_setv4sf_0): Export.
6002         * config/i386/i386.c (ix86_build_const_vector): Export.
6003         (ix86_split_convert_uns_si_sse): Rename from
6004         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6005         * config/i386/i386-protos.h: Update.
6006
6007 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6008
6009         PR c/29521
6010         * c-typeck.c (c_finish_return): Improve warning message.
6011
6012 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6013
6014         * alias.c (find_symbolic_term): Delete unused function.
6015
6016 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6017
6018         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6019         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6020         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6021
6022 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6023
6024         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6025         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6026         the function, temporarily point the debug interface to the null one.
6027
6028 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6029
6030         * dwarf2out.c (round_up_to_align): New static function.
6031         (field_byte_offset): Use it to round the offset.
6032
6033 2007-02-12  Richard Henderson  <rth@redhat.com>
6034
6035         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6036         (inswl_const): Export.
6037
6038 2007-02-12  Richard Henderson  <rth@redhat.com>
6039
6040         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6041         result mode of the libcall, convert back to outmode.
6042
6043 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6044
6045         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6046         (bswapdi2): New define_expand to implement 32-bit implementation.
6047
6048 2007-02-12  Nick Clifton  <nickc@redhat.com>
6049
6050         * doc/invoke.texi (Overall Options): Document --help=.
6051         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6052         (cc1_options): Pass --help= on to cc1.
6053         (display_help): Add description of --help=.
6054         (process_command): Add code to handle --help=.  Allow translated
6055         --help and --target-help switches to be passed on to compiler
6056         sub-process.
6057         (main): Remove unused if statement.
6058         * opts.c (columns): Remove.
6059         (LEFT_COLUMN): Define.
6060         (wrap_help): Add columns argument.
6061         (print_filtered_help): Change parameters to be an include bitmask,
6062         an exclude bitmask, an any bitmask and the column width.  Move the
6063         code to display the params list here.  Add code to display the
6064         status of options rather than their descriptions if the quiet flag
6065         is not active.
6066         (print_specific_help): Change parameters to be an include bitmask,
6067         an exclude bitmask and an any bitmask.  Move code to look up the
6068         column width here.  Decide upon the title for an options listing.
6069         (common_handle_options): Add code to handle --help=.  Adapt code
6070         for --help and --target-help to use the revised form of the
6071         print_specific_help function.
6072         (print_help): Delete.
6073         (print_param_help): Delete.
6074         (print_switch): Delete.
6075         * opts.h (cl_lang_count): Add prototype.
6076         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6077         CL_MAX_OPTION_CLASS): New defines.
6078         * optc-gen.awk: Add construction of cl_lang_count.
6079         * c.opt: Add Warning attribute to warning options and Optimization
6080         attribute to optimization options.
6081         * common.opt: Likewise.
6082         Add --help=.
6083         Add -fhelp and -ftarget-help as aliases for the transformed --help
6084         and --target-help options.
6085         * opt-functions.awk: Add code to handle Warning and Optimization
6086         attributes.
6087
6088 2007-02-12  Richard Henderson  <rth@redhat.com>
6089
6090         * config/alpha/constraints.md: New file.
6091         * config/alpha/alpha.c: Include tm-constrs.h.
6092         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6093         alpha_extra_constraint): Remove.
6094         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6095         * config/alpha/alpha-protos.h: Update.
6096         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6097         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6098         (EXTRA_CONSTRAINT): Remove.
6099         * config/alpha/alpha.md: Include constraints.md.
6100         (adddi splitter): Use satisfies_constraint_*.
6101         * config/alpha/predicates.md (add_operand): Likewise.
6102         (sext_add_operand, addition_operation): Likewise.
6103
6104 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6105
6106         PR tree-optimization/29145
6107         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6108         in our handling of restrict qualified pointers.
6109
6110 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6111
6112         PR middle-end/7651
6113         * doc/invoke.texi (Wunused-value): Update description.
6114         (Wextra): Delete item.
6115         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6116         value of Wunused-value.
6117         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6118         (c_finish_stmt_expr): Don't check extra_warnings.
6119         (emit_side_effect_warnings): The caller is responsible to check
6120         warn_unused_value.
6121
6122 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6123             Matt Thomas  <matt@3am-software.com>
6124
6125         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6126
6127 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6128
6129         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6130         comparisons of POPCOUNT against zero.
6131         (simplify_const_relational_operation): Likewise.
6132
6133 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6134
6135         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6136
6137 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6138
6139         * dwarf2out.c (root_type): Delete unused function.
6140
6141 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6142
6143         * genattrtab.c (contained_in_p): Delete unused function.
6144         (write_expr_attr_cache): Likewise.
6145
6146 2007-02-11  Jan Hubicka  <jh@suse.cz>
6147
6148         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6149         previous patch.
6150
6151 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6152
6153         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6154         to add the REG_EQ* note.
6155         * see.c (see_merge_one_use_extension): Likewise.
6156         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6157         turn REG_EQUAL notes into REG_EQUIV notes if the target
6158         register may have more than one set.
6159         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6160         * gcse.c (try_replace_reg): Likewise.
6161         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6162         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6163         more than one REG_EQUIV note.
6164         * reload1.c (gen_reload): Use set_unique_reg_note.
6165
6166 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6167
6168         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6169         (ix86_builtin_conversion): New function.
6170
6171 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6172
6173         PR target/29487
6174         * tree.h (DECL_REPLACEABLE_P): New macro.
6175         * except.c (set_nothrow_function_flags): Likewise.
6176
6177 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6178             Ira Rosen  <irar@il.ibm.com>
6179             Dorit Nuzman  <dorit@il.ibm.com>
6180
6181         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6182         * targhooks.c (default_builtin_vectorized_conversion): New.
6183         * targhooks.h (default_builtin_vectorized_function): New declaration.
6184         * target.h (struct vectorize): Add builtin_conversion field.
6185         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6186         stmt_vec_info_type value.
6187         (vectorizable_conversion): New declaration.
6188         * tree-vect-analyze.c (vect_analyze_operations): Add
6189         vectorizable_conversion call.
6190         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6191         * tree-vect-transform.c (vectorizable_conversion): New function.
6192         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6193         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6194         mode.
6195         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6196         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6197         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6198         or ALTIVEC_BUILTIN_VCFSX.
6199
6200 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6201
6202         PR target/30634
6203         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6204         CONST_DOUBLE and operand 0 is a hard register.
6205         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6206         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6207         is a hard floating-point register.
6208
6209 2007-02-10  Richard Henderson  <rth@redhat.com>
6210             Jakub Jelinek  <jakub@redhat.com>
6211             Alexandre Oliva  <aoliva@redhat.com>
6212
6213         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6214         * builtin-types.def (BT_WORD): Make unsigned.
6215         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6216         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6217         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6218         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6219         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6220         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6221         emulated tls.
6222         * expr.c (emutls_var_address): New.
6223         (expand_expr_real_1): Expand emulated tls.
6224         (expand_expr_addr_expr_1): Likewise.
6225         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6226         * output.h (emutls_finish): Declare.
6227         * toplev.c (compile_file): Call it.
6228         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6229         address before wrapping in CONST.
6230         * varasm.c (emutls_htab, emutls_object_type): New.
6231         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6232         (get_emutls_object_name, get_emutls_object_type): New.
6233         (get_emutls_init_templ_addr, emutls_decl): New.
6234         (emutls_common_1, emutls_finish): New.
6235         (assemble_variable): When emulating tls, swap decls; generate
6236         constructor for the emutls objects.
6237         (do_assemble_alias): When emulating tls, swap decl and target name.
6238         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6239         for emulated tls.
6240         * varpool.c (decide_is_variable_needed): Look at force_output.
6241         Recurse for emulated tls.
6242         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6243         with decide_is_variable_needed.
6244         * emutls.c: New file.
6245         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6246         tls_object for real tls.
6247
6248 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6249
6250         PR rtl-optimization/29599
6251         * reload1.c (eliminate_regs_in_insn): Take the destination
6252         mode into account when computing the offset.
6253
6254 2007-02-09  Stuart Hastings  <stuart@apple.com>
6255             Richard Henderson  <rth@redhat.com>
6256
6257         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6258         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6259         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6260         fixuns_truncdfhi2): New.
6261         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6262         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6263         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6264         (floatunssidf2): Allow nonimmediate source.
6265         * gcc/config/i386/sse.md (movdi_to_sse): New.
6266         (vec_concatv2di): Drop '*'.
6267         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6268         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6269         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6270         New.
6271         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6272         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6273         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6274         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6275         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6276         ix86_build_const_vector.
6277         (x86_emit_floatuns): Rewrite.
6278
6279 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6280
6281         * genautomata.c (longest_path_length): Delete unused function.
6282         (struct state): Delete unused longest_path_length.
6283         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6284         (get_free_state): Delete unused.
6285
6286 2007-02-09  Jan Hubicka  <jh@suse.cz>
6287
6288         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6289         * doc/invoke.texi (inline-unit-growth): Update default value.
6290
6291         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6292         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6293         (rebuild_cgraph_edges): Likewise.
6294         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6295         (dump_cgraph_node): Dump frequencies.
6296         (cgraph_clone_edge): Add frequency scales.
6297         (cgraph_clone_node): Add freuqnecy.
6298         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6299         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6300         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6301         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6302         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6303         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6304         (save_inline_function_body): Likewise.
6305         * ipa-inline.c: inluce rtl.h
6306         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6307         (cgraph_edge_badness): Use frequencies.
6308         (cgraph_decide_recursive_inlining): Update clonning.
6309         (cgraph_decide_inlining_of_small_function): Dump frequency.
6310         * predict.c (estimate_bb_frequencies): Export.
6311         * predict.h (estimate_bb_frequencies): Declare.
6312         * tree-inline.c (copy_bb): Watch overflows.
6313         (expand_call_inline): Update call of cgraph_create_edge.
6314         (optimize_inline_calls): Use TODO flags to update frequnecies.
6315         * passes.h: Include predict.h
6316         (init_optimization_passes): Move profile ahead.
6317         (execute_function_todo): Handle TODO_rebuild_frequencies.
6318
6319 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6320
6321         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6322         the insbl or inswl pattern into a register.
6323
6324 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6325
6326         * config/ia64/ia64.md (bswapdi2): New define_insn.
6327
6328 2007-02-09  Richard Henderson  <rth@redhat.com>
6329
6330         * config/i386/constraints.md (Ym): New constraint.
6331         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6332         (movdi_1_rex64): Split sse and xmm general register moves from
6333         memory move alternatives.  Use conditional register constraints.
6334         (movsf_1, movdf_integer): Likewise.
6335         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6336         (movdf_integer_rex64): New.
6337         (pushsf_rex64): Fix output constraints.
6338         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6339         (sse2_stored): Likewise.
6340         (sse2_storeq_rex64): New.
6341         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6342         amd and not generic.
6343         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6344         for optimize_size.  Remove SF/DFmode hack.
6345
6346 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6347
6348         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6349         (bit_SSE4a): New.
6350
6351 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6352             Richard Sandiford  <richard@codesourcery.com>
6353
6354         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6355         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6356         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6357         m68k/t-mlib to tmake_file.
6358         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6359         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6360         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6361         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6362         variable is not empty, add t-$m68k_arch_family to tmake_file.
6363         Add t-mlibs to tmake_file.
6364         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6365         * config/m68k/t-cf: New file.
6366         * config/m68k/t-m68k: Likewise.
6367         * config/m68k/t-mlibs: Likewise.
6368         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6369         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6370         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6371         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6372         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6373         Delete.
6374         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6375         (INSTALL_LIBGCC): Delete.
6376         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6377         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6378         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6379         (M68K_MLIB_CPU): Define.
6380         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6381         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6382         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6383
6384 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6385             Richard Guenther  <rguenther@suse.de>
6386
6387         PR middle-end/23361
6388         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6389         against INT_MIN/INT_MAX.
6390         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6391         file if a loop is removed.
6392
6393 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6394
6395         * calls.c (store_one_arg): Pass correct alignment to
6396         emit_push_insn for non-BLKmode values.
6397         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6398         unaligned stack slot via a suitably aligned slot.
6399
6400 2007-02-08  DJ Delorie  <dj@redhat.com>
6401
6402         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6403         warnings.
6404         (legal_subregs): Use unsigned char, make const.
6405         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6406
6407 2007-02-08  Paul Brook  <paul@codesourcery.com>
6408
6409         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6410         special interworking needed.
6411
6412 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6413
6414         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6415         conditional to __SSE2__.
6416         (Entries below should have been added to first ChangeLog
6417         entry for amdfam10 dated 2007-02-05)
6418         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6419         defined.
6420         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6421         defined.
6422         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6423         defined.
6424
6425 2007-02-08  DJ Delorie  <dj@redhat.com>
6426
6427         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6428         * config/m32c/m32c.c (legal_subregs): New.
6429         (m32c_illegal_subreg_p): New.
6430         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6431         unsupported subregs of hard regs.
6432
6433 2007-02-08  Jan Hubicka  <jh@suse.cz>
6434
6435         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6436         the same one; always update histograms.
6437
6438 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6439
6440         * passes.c (init_optimization_passes): Tidy comment.
6441
6442 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6443
6444         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6445         strip zero_extend, bswap and rotates from POCOUNT's argument.
6446         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6447         zero_extend and rotates from PARITY's argument.
6448         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6449         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6450         of an integer constant at compile-time.
6451
6452 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6453
6454         PR 30562
6455         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6456         Update all users.
6457         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6458         users.
6459         (init_alias_info):
6460         * tree-ssa-live.c (remove_unused_locals): Do not remove
6461         TREE_ADDRESSABLE variables.
6462         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6463         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6464         FOR_CLOBBER.  Update all users.
6465         If VAR has an associated alias set, add a virtual operand for
6466         it if no alias is found to conflict with the memory reference.
6467
6468 2007-02-07  Jan Hubicka  <jh@suse.cz>
6469             Robert Kidd <rkidd@crhc.uiuc.edu>
6470
6471         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6472
6473 2007-02-07  Ian Lance Taylor  <iant@google.com>
6474
6475         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6476
6477 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6478
6479         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6480         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6481         tablejumpdi, movsi_to_cr_one): Remove constraints from
6482         define_expand's match_operands.
6483
6484 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6485
6486         * global.c (compute_regsets): Move declatation of "i" inside of
6487         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6488
6489 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6490
6491         PR c++/30703
6492         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6493         of INDIRECT_REF <RESULT_DECL>.
6494
6495         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6496
6497 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6498             Kaz Kojima  <kkojima@gcc.gnu.org>
6499
6500         PR target/29746
6501         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6502         properly.
6503         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6504
6505 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6506
6507         * doc/loop.texi: Document possibility not to perform disambiguation
6508         of loops with multiple latches.
6509         * cfgloopmanip.c (alp_enum_p): Removed.
6510         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6511         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6512         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6513         the new forwarder block.
6514         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6515         Handle the case latch is NULL.
6516         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6517         when marking loop exits.
6518         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6519         be modified.
6520         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6521         disambiguate_loops_with_multiple_latches.
6522         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6523         before fix_loop_structure.
6524         * cfgloop.c: Include pointer-set.h and output.h.
6525         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6526         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6527         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6528         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6529         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6530         disambiguate_multiple_latches, get_loop_body_with_size,
6531         disambiguate_loops_with_multiple_latches): New functions.
6532         (flow_loop_dump): Dump multiple latch edges.
6533         (flow_loop_nodes_find): Handle loops with multiple latches.
6534         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6535         (glb_enum_p): Modified.
6536         (get_loop_body): Use get_loop_body_with_size.
6537         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6538         (AVOID_CFG_MODIFICATIONS): New constant.
6539         (disambiguate_loops_with_multiple_latches, add_loop,
6540         get_loop_body_with_size): Declare.
6541         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6542
6543 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6544
6545         PR inline-asm/28686
6546         * global.c (compute_regsets): New function.
6547         (global_alloc): Refactored ELIMINABLE_REGSET
6548         and NO_GLOBAL_ALLOC_REGS computation out.
6549         (rest_of_handle_global_alloc): Call compute_regsets()
6550         for non-optimizing case.
6551
6552 2007-02-06  Richard Henderson  <rth@redhat.com>
6553
6554         * config/i386/constraints.md (Y2): Rename from Y.
6555         (Yi): New constraint.
6556         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6557         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6558         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6559         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6560         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6561         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6562         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6563         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6564         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6565         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6566         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6567         vec_extractv2si_1): Change Y constraints to Y2.
6568         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6569         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6570         Change Y constraints to Y2.
6571         (sse2_loadld): Change Y constraints to x.
6572
6573 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6574
6575         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6576         (parity<mode>2): New define_expand using rs6000_emit_parity.
6577         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6578         rs6000_emit_parity): New functions.
6579         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6580         rs6000_emit_parity): Prototype here.
6581
6582 2007-02-06  Ian Lance Taylor  <iant@google.com>
6583
6584         * lower-subreg.c (simple_move_operand): Reject CONST.
6585         (resolve_clobber): Call validate_change rather than directly
6586         assigning to XEXP (pat, 0).
6587
6588 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6589
6590         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6591         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6592         (tree-cfg.o): Remove hashtab.h dependency.
6593
6594         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6595         (struct ivopts_data): Change niters to pointer_map_t.
6596         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6597         (niter_for_exit): Create pointer_map on demand.  Change for
6598         pointer_map API.
6599         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6600         (free_loop_data): Destroy data->niters if created and reset field.
6601         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6602         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6603
6604         * tree-ssa-reassoc.c: Include pointer-set.h.
6605         (bb_rank): Change to long *.
6606         (operand_rank): Change to pointer_map_t.
6607         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6608         (insert_operand_rank): Accept long.
6609         (operand_entry_hash, operand_entry_eq): Remove.
6610         (get_rank): Return long.  Adjust for changes above.
6611         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6612         and operand_rank.
6613         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6614
6615         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6616         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6617         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6618         is not NULL.
6619         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6620         directly since it cannot be NULL.
6621         (get_vi_for_tree): Rewrite for pointer_map API.
6622         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6623         (init_alias_vars): Create vi_for_tree as pointer_map.
6624         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6625
6626         * tree-cfg.c: Don't include hashtab.h.
6627         (edge_to_cases): Declare as pointer_map.
6628         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6629         Delete.
6630         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6631         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6632         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6633         destroying it.
6634         (record_switch_edge): Delete.
6635         (get_cases_for_edge): Adjust for pointer_map API, inline
6636         record_switch_edge (rewritten for new API), remove goto.
6637
6638 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6639
6640         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6641         * tree-nested.c: Include pointer-set.h.
6642         (var_map_elt, var_map_eq, var_map_hash): Delete.
6643         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6644         to pointer_map_t's.
6645         (nesting_info_bitmap_obstack): New.
6646         (lookup_field_for_decl): Adjust for pointer_map API.
6647         (lookup_tramp_for_decl): Adjust for pointer_map API.
6648         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6649         (get_local_debug_decl): Adjust for pointer_map API.
6650         (convert_nl_goto_reference): Adjust for pointer_map API.
6651         (convert_nl_goto_receiver): Adjust for pointer_map API.
6652         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6653         the new obstack.  Create field_map and var_map as pointer_maps.
6654         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6655         (root): Delete.
6656         (lower_nested_functions): Move root here, no need to NULL it.
6657         Initialize and release the obstack.
6658
6659 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6660
6661         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6662         Remove prototypes and make them non-static.
6663         (struct tree_int_map): Remove.
6664         * tree.h (struct tree_int_map): Move here, turning TO into an
6665         unsigned int.
6666         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6667
6668         * tree.h (TREE_COMPLEXITY): Remove.
6669         (struct tree_exp): Remove complexity field.
6670         * tree.c (build1_stat): Don't set it.
6671
6672 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6673             Victor Kaplansky  <victork@il.ibm.com>
6674
6675         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6676         (vect_is_simple_reduction): Support reduction with induction as
6677         one of the operands.
6678         (vect_is_simple_iv_evolution): Fix formatting.
6679         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6680         formatting.  Don't mark induction phis for vectorization.
6681         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6682         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6683         (vect_get_vec_def_for_operand): Support induction.
6684         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6685         induction case.
6686         (vectorizable_reduction): Support reduction with induction as one of
6687         the operands.
6688         (vectorizable_type_demotion): Use def-type of stmt argument rather
6689         than dummy def-type.
6690
6691         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6692         flag_tree_scev_cprop.
6693         * common.opt (tree-scev-cprop): New flag.
6694
6695         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6696         call to vect_get_new_vect_var.
6697
6698 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6699
6700         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6701         vectype is not NULL.
6702         (vect_pattern_recog_1): Likewise.
6703
6704 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6705
6706         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6707         (fold_negate_expr): Likewise.
6708
6709 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6710
6711         PR debug/30189
6712         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6713         even if cv-qualification is the same.
6714
6715 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6716
6717         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6718         __enable_execute_stack on completion.
6719
6720 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6721
6722         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6723         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6724         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6725         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6726         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6727         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6728         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6729         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6730
6731 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6732
6733         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6734         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6735         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6736         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6737         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6738         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6739         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6740         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6741         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6742         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6743         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6744         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6745         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6746         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6747         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6748         sqrtextenddfxf2_i387): Added amdfam10_decode.
6749
6750         * config/i386/athlon.md (athlon_idirect_amdfam10,
6751         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6752         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6753         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6754         athlon_ivector_store_amdfam10): New define_insn_reservation.
6755         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6756         amdfam10.
6757
6758 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6759
6760         * config/i386/athlon.md (athlon_call_amdfam10,
6761         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6762         define_insn_reservation.
6763         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6764         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6765         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6766
6767 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6768
6769         * config/i386/athlon.md (athlon_sseld_amdfam10,
6770         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6771         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6772
6773 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6774
6775         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6776         define_insn_reservation.
6777         * config/i386/i386.md (sseins): Added sseins to define_attr type
6778         and define_attr unit.
6779         * config/i386/sse.md: Set type attribute to sseins for insertq
6780         and insertqi.
6781
6782 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6783
6784         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6785         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6786         ssecomi_load_amdfam10, ssecomi_amdfam10,
6787         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6788         define_insn_reservation.
6789         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6790
6791 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6792
6793         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6794         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6795         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6796         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6797         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6798         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6799         define_insn_reservation.
6800
6801         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6802         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6803         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6804         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6805         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6806
6807 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6808
6809         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6810         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6811         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6812         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6813         athlon_ssemul_load_k8): Added amdfam10.
6814
6815 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6816
6817         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6818         (x86_sse_unaligned_move_optimal): New variable.
6819
6820         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6821         m_AMDFAM10.
6822         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6823         for unaligned vector SSE double/single precision loads for AMDFAM10.
6824
6825 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6826
6827         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6828         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6829         Define TARGET_CPU_DEFAULT_amdfam10.
6830         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6831         (processor_type): Add PROCESSOR_AMDFAM10.
6832
6833         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6834         processor_type in config/i386/i386.h.
6835         Enable imul peepholes for TARGET_AMDFAM10.
6836
6837         * config.gcc: Add support for --with-cpu option for amdfam10.
6838
6839         * config/i386/i386.c (amdfam10_cost): New variable.
6840         (m_AMDFAM10): New macro.
6841         (m_ATHLON_K8_AMDFAM10): New macro.
6842         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6843         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6844         x86_promote_QImode, x86_integer_DFmode_moves,
6845         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6846         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6847         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6848         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6849         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6850         Enable/disable for amdfam10.
6851         (override_options): Add amdfam10_cost to processor_target_table.
6852         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6853         processor_alias_table.
6854         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6855         (ix86_adjust_cost): Add code for amdfam10.
6856
6857 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6858
6859         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6860         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6861         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6862         * config/i386/i386.h: Add builtin definition for SSE4A.
6863         * config/i386/i386.md: Add support for ABM instructions
6864         (popcnt and lzcnt).
6865         * config/i386/sse.md: Add support for SSE4A instructions
6866         (movntss, movntsd, extrq, insertq).
6867         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6868         Add -march=amdfam10 flag.
6869         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6870         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6871         and amdfam10.
6872         * doc/extend.texi: Add documentation for SSE4A builtins.
6873
6874 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6875
6876         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6877
6878 2007-02-05  Richard Guenther  <rguenther@suse.de>
6879
6880         * tree-vectorizer.h (vectorizable_function): Add argument type
6881         argument, change return type.
6882         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6883         * tree-vect-transform.c (vectorizable_function): Handle extra
6884         argument, return vectorized function decl.
6885         (build_vectorized_function_call): Remove.
6886         (vectorizable_call): Handle calls with result and argument types
6887         differing.  Handle loop vectorization factor correctly.
6888         * targhooks.c (default_builtin_vectorized_function): Adjust for
6889         extra argument.
6890         * targhooks.h (default_builtin_vectorized_function): Likewise.
6891         * target.h (builtin_vectorized_function): Add argument type
6892         argument.
6893         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6894         extra argument, allow vectorizing of lrintf.
6895         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6896         documentation of target hook.
6897
6898 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6899
6900         PR target/30665
6901         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6902         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6903         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6904
6905 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6906
6907         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6908         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6909         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6910         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6911         before canonicalizing sincos to cexpi.
6912         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6913
6914 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6915
6916         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6917         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6918         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6919
6920 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6921
6922         * mips-tfile.c (initialize_init_file): Correct endianness test.
6923
6924 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6925
6926         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6927         the 'y' constraint.
6928
6929 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6930
6931         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6932         saves in a PARALLEL before the register assignments.
6933
6934 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6935
6936         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6937         DWARF_FRAME_RETURN_COLUMN to be a general register.
6938         * dwarf2out.c (init_return_column_size): New function, split from...
6939         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6940         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6941         to be nongeneral registers.
6942         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6943         integer registers.
6944         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6945         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6946
6947 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6948
6949         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6950
6951 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6952
6953         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6954         (remove_path): Use can_remove_branch_p and remove_branch instead
6955         of loop_delete_branch_edge.
6956         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6957         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6958         Update profile using scale_dominated_blocks_in_loop.
6959         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6960         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6961         (can_remove_branch_p, remove_branch): Declare.
6962         * tree-cfg.c (tree_can_remove_branch_p): New function.
6963         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6964         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6965         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6966
6967 2007-02-05  Jan Hubicka  <jh@suse.cz>
6968
6969         PR middle-end/30696
6970         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6971         nodes in cgraph, don't remove offline copy of the function.
6972
6973 2007-02-04  Jan Hubicka  <jh@suse.cz>
6974
6975         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6976         vectors might cause maybe_lookup_element_for_expr to be called
6977         on non-sra-candidate.
6978
6979 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6980
6981         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6982         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6983         spelling conventions.
6984
6985 2007-02-04  Richard Guenther  <rguenther@suse.de>
6986
6987         PR middle-end/30636
6988         * fold-const.c (try_move_mult_to_index): Make sure to not
6989         overflow one dimension of a multi-dimensional array access.
6990
6991 2007-02-04  Jan Hubicka  <jh@suse.cz>
6992
6993         * passes.c (init_optimization_passes): Reindent.
6994
6995 2007-02-04  Jan Hubicka  <jh@suse.cz>
6996             Eric Botcazou  <ebotcazou@adacore.com>
6997
6998         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6999         (execute_fixup_cfg): Break out the abnormal goto code.
7000         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7001         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7002         (optimize_inline_calls): Call make_nonlocal_label_edges.
7003
7004 2007-02-04  Jan Hubicka  <jh@suse.cz>
7005
7006         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7007         true when something was changed.
7008         (rename_ssa_copies): When something was changed, do
7009         TODO_remove_unused_locals.
7010         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7011         add TODO_remove_unused_locals when instruction was removed.
7012
7013 2007-02-04  Jan Hubicka  <jh@suse.cz>
7014
7015         * ipa-inline.c (try_inline): Improve debug output; work on already
7016         inline edges too.
7017         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7018         call try_inline for already inlined edges too when flattening;
7019         inline also functions that make callee growth but overall unit size
7020         reduce.
7021
7022 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7023
7024         * config/m32c/bitops.md, config/m32c/jump.md,
7025         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7026         config/m32r/m32r.h, config/m32r/m32r.md,
7027         config/m32r/predicates.md, config/m68hc11/larith.asm,
7028         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7029         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7030         config/mips/mips-protos.h, config/mips/mips.c,
7031         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7032         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7033         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7034         spelling conventions.
7035
7036         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7037         Follow spelling conventions.
7038
7039 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7040
7041         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7042         warn about C++0x compatibility.
7043
7044 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7045
7046         * config/h8300/h8300.c, config/h8300/h8300.h,
7047         config/h8300/h8300.md: Follow spelling conventions.
7048
7049 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7050
7051         PR middle-end/30667
7052         * combine.c (try_combine): Do not substitute source operand
7053         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7054
7055 2007-02-03  Jan Hubicka  <jh@suse.cz>
7056
7057         PR gcov-profile/30650
7058         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7059         do not divide by zero for never executed counters.
7060         (tree_find_values_to_profile): Fix counters.
7061         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7062
7063 2007-02-03  Ian Lance Taylor  <iant@google.com>
7064
7065         * lower-subreg.c (simple_move_operand): New static function,
7066         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7067         operands.
7068         (simple_move): Call simple_move_operand.
7069         (find_decomposable_subregs): Add special handling of MEMs.
7070         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7071         meaning of return value.  If we see a hard register, test whether
7072         it can store a word_mode value.  Change all callers.
7073
7074 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7075
7076         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7077         ftrapv insns and expanders.
7078         (subdi3): Change define_expand operand 1 to arith11_operand, and
7079         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7080         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7081         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7082         respectively.
7083
7084         PR middle-end/30174
7085         * varasm.c (notice_global_symbol): Treat global objects as weak when
7086         flag_shlib is true.
7087
7088 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7089
7090         * emit-rtl.c (dconstpi): Delete.
7091         (dconstsqrt2): New.
7092         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7093         * real.h (dconstpi): Delete.
7094         (dconstsqrt2): New.
7095         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7096         (fold_builtin_hypot): Likewise.
7097
7098 2007-02-03  Tom Tromey  <tromey@redhat.com>
7099
7100         PR driver/30246
7101         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7102         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7103
7104 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7105
7106         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7107         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7108         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7109         config/rs6000/cell.md, config/rs6000/darwin.h,
7110         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7111         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7112         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7113         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7114         typos.  Follow spelling conventions.
7115         * doc/invoke.texi: Follow spelling conventions.
7116
7117 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7118
7119         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7120         canonicalization transformations that attempt to simplify integer
7121         constant comparisons to become comparisons against zero.
7122
7123 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7124
7125         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7126         fabs(x)*sqrt(2).
7127         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7128         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7129
7130 2007-02-02  Mike Stump  <mrs@apple.com>
7131
7132         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7133         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7134         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7135         generate a branch island.
7136
7137 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7138
7139         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7140         (xtensa_legitimate_address_p): New.
7141         (xtensa_legitimize_address): New.
7142         (xtensa_output_addr_const_extra): New.
7143         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7144         (BASE_REG_P): New.
7145         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7146         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7147         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7148         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7149         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7150         (xtensa_legitimize_address): New.
7151         (xtensa_output_addr_const_extra): New.
7152
7153 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7154
7155         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7156
7157 2007-02-02  Ian Lance Taylor  <iant@google.com>
7158
7159         * expmed.c (expand_divmod): Add comment.
7160
7161 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7162
7163         * emit-rtl.c (renumber_insns): Remove.
7164         * flags.h: Remove the extern for flag_renumber_insns.
7165         * rtl.h: Remove the prototype for renumber_insns.
7166         * toplev.c (flag_renumber_insns): Remove.
7167
7168 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7169
7170         Revert for x86 darwin:
7171         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7172
7173         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7174         code before the following patch under TARGET_MACHO.
7175         (ix86_function_value_regno_p): Likewise.
7176
7177 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7178
7179         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7180         COMPLEX_EXPR.
7181
7182 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7183
7184         PR target/29682
7185         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7186         general or fp registers.  Add comments.
7187         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7188
7189 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7190
7191         * pointer-set.c (insert_aux): Only return insertion slot.
7192         (pointer_set_insert): Adjust.
7193         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7194         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7195         pointer_map_traverse): New.
7196         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7197         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7198         pointer_map_contains, pointer_map_traverse): Declare.
7199
7200 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7201
7202         PR middle-end/30473
7203         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7204         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7205
7206 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7207
7208         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7209
7210         (struct _dep): New type.
7211         (dep_t): New typedef.
7212         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7213         (DEP_STATUS): New access macro.  The macro with the same name was
7214         renamed to DEP_LINK_STATUS.
7215         (dep_init): Declare function
7216
7217         (struct _dep_link): New type.
7218         (dep_link_t): New typedef.
7219         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7220         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7221         (DEP_LINK_STATUS): New macro.
7222         (debug_dep_links): New debug function.
7223
7224         (struct _deps_list): New type.
7225         (deps_list_t): New typedef.
7226         (DEPS_LIST_FIRST): New access macro.
7227         (FOR_EACH_DEP_LINK): New cycle macro.
7228         (create_deps_list, free_deps_list, delete_deps_list): Declare
7229         functions.
7230         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7231         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7232         (copy_deps_list_change_con): Ditto.
7233
7234         (move_dep_link): Declare function.
7235
7236         (struct _dep_node): New type.
7237         (dep_node_t): New typedef.
7238         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7239
7240         (struct haifa_insn_data.back_deps): New field to hold backward
7241         dependencies of the insn.
7242         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7243         to deps_list_t.
7244         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7245         Change its type to deps_list_t.
7246         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7247         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7248         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7249
7250         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7251
7252         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7253
7254         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7255         all callers.
7256         (dep_cost): Declare.
7257
7258         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7259         (ds_to_dk, dk_to_ds): New functions.
7260
7261         (init_dep_1): New static function.
7262         (init_dep): New function.
7263         (copy_dep): New static function.
7264
7265         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7266         functions.
7267         (detach_dep_link): New static function.
7268         (move_dep_link): New function.
7269
7270         (dep_links_consistent_p, dump_dep_links): New static functions.
7271         (debug_dep_links): New debugging function.
7272
7273         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7274
7275         (alloc_deps_list, init_deps_list): New static functions.
7276         (create_deps_list): New function.
7277         (clear_deps_list): New static function.
7278         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7279         (deps_list_consistent_p, dump_deps_list): New static functions.
7280         (debug_deps_list): New function.
7281         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7282         functions.
7283         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7284
7285         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7286         use new scheduler dependencies lists.
7287         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7288         (sched_analyze): Ditto.  Initialize dependencies lists.
7289         (add_forw_dep, compute_forward_dependences): Update to use new
7290         scheduler dependencies lists.
7291
7292         (init_dependency_caches): Init deps_obstack.
7293         (free_dependency_caches): Free deps_obstack.
7294
7295         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7296         new scheduler dependencies lists.
7297         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7298         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7299
7300         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7301         Update to use new scheduler dependencies lists.
7302         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7303         (debug_dependencies): Ditto.
7304         (schedule_region): Update comments.
7305
7306         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7307         scheduler dependencies lists.
7308         (schedule_ebb): Update comments.
7309
7310         * rtl.def (DEPS_LIST): Remove.
7311
7312         * lists.c (unused_deps_list): Remove.
7313         (free_list): Update assertions.
7314
7315         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7316         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7317
7318         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7319         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7320
7321         * haifa-sched.c (comments): Update.
7322         (insn_cost1): Remove.  Inline the code into insn_cost ().
7323         (insn_cost): Update to use new scheduler dependencies lists.  Move
7324         processing of the dependency cost to dep_cost ().
7325         (dep_cost): New function.  Use it instead of insn_cost () when
7326         evaluating cost of the dependency.  Use compatible interface to
7327         interact with the target.
7328         (priority): Update to use new scheduler dependencies lists.
7329         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7330         with greater number of insns that depend on the insn.
7331         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7332         code to free backward dependencies lists.  Inline and optimize code
7333         from resolve_dep () - see PR28071.
7334         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7335         lists.  Update call to targetm.sched.is_costly_dependence hook.
7336
7337         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7338         scheduler dependencies lists.
7339
7340         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7341         (init_h_i_d): Initialize dependencies lists.
7342
7343         (process_insn_depend_be_in_spec): Rename to
7344         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7345         dependencies lists.
7346         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7347         Update to use new scheduler dependencies lists.
7348         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7349
7350         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7351         new scheduler dependencies lists.
7352         (build_intra_loop_deps): Ditto.
7353
7354         * target.h (struct _dep): Declare to use in
7355         gcc_target.sched.is_costly_dependence.
7356         (struct gcc_target.sched.adjust_cost): Fix typo.
7357         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7358         single dep_t parameter instead of an equivalent triad.
7359         (struct gcc_target.sched.adjust_cost_2): Remove.
7360
7361         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7362
7363         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7364
7365         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7366         documentation.
7367         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7368
7369         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7370         (REG_DEP_TRUE): Document.
7371
7372         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7373         Change signature to correspond to the targetm.sched.adjust_cost hook.
7374         Update use in TARGET_SCHED_ADJUST_COST_2.
7375         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7376         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7377         new scheduler dependencies lists.
7378         (ia64_gen_check): Ditto.
7379
7380         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7381         dependencies lists.
7382
7383         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7384         signature to correspond to the targetm.sched.is_costly_dependence hook.
7385         (is_costly_group): Update to use new scheduler dependencies lists.
7386
7387         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7388         instead of INSN_COST () macro.
7389
7390 2007-02-01  Ian Lance Taylor  <iant@google.com>
7391
7392         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7393
7394 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7395
7396         * pa.md (tp_load): Correct mfctl instruction syntax.
7397
7398 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7399
7400         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7401         altivec_padding_size calculation on AIX.  Improve comment, add
7402         assert to verify that it's right.
7403
7404         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7405         64-bit.
7406
7407 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7408
7409         PR inline-asm/28686
7410         * global.c (global_alloc): Add mising initialization of
7411         ELIMINABLE_REGSET.
7412
7413 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7414
7415         * alias.c (init_alias_analysis): Correct whitespace.
7416         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7417         partition_hot_cold_basic_blocks): Likewise.
7418         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7419         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7420         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7421         fold_builtin_snprintf_chk, fold_builtin_printf,
7422         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7423         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7424         * cfgcleanup.c (cleanup_cfg): Likewise.
7425         * cfgexpand.c (tree_expand_cfg): Likewise.
7426         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7427         * function.c (get_next_funcdef_no): Likewise.
7428         * gengtype.c (main): Likewise.
7429         * genmodes.c (main): Likewise.
7430         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7431         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7432         * ifcvt.c (noce_emit_move_insn): Likewise.
7433         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7434         Likewise.
7435         * stor-layout.c (get_best_mode): Likewise.
7436         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7437         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7438         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7439         perform_var_substitution, solve_graph): Likewise.
7440         * tree-vrp.c (vrp_finalize): Likewise.
7441
7442 2007-02-01  Ian Lance Taylor  <iant@google.com>
7443
7444         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7445         high part of a paradoxical subreg, return a constant zero.
7446
7447 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7448
7449         * toplev.c (lang_dependent_init): Call init_set_costs.
7450         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7451
7452 2007-02-01  Richard Guenther  <rguenther@suse.de>
7453
7454         PR middle-end/30656
7455         * fold-const.c (fold_negate_expr): Allow negating a
7456         constant if overflow does not change.
7457
7458 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7459
7460         * doc/c-tree.texi (Expression trees): Improve markup.
7461         * doc/tm.texi (Register Classes, Addressing Modes)
7462         (Floating Point): Fix spacing after abbreviations.  Fix some
7463         typos.
7464
7465 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7466
7467         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7468         * doc/contrib.texi: Likewise.
7469         * doc/install.texi: Likewise.
7470
7471 2007-01-31  Richard Henderson  <rth@redhat.com>
7472             Ian Lance Taylor  <iant@google.com>
7473
7474         * lower-subreg.c: New file.
7475         * rtl.def (CONCATN): Define.
7476         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7477         pass_lower_subreg2.
7478         * emit-rtl.c (update_reg_offset): New static function, broken out
7479         of gen_rtx_REG_offset.
7480         (gen_rtx_REG_offset): Call update_reg_offset.
7481         (gen_reg_rtx_offset): New function.
7482         * regclass.c: Revert patch of 2006-03-05, restoring
7483         reg_scan_update.
7484         (clear_reg_info_regno): New function.
7485         * dwarf2out.c (concatn_loc_descriptor): New static function.
7486         (loc_descriptor): Handle CONCATN.
7487         * common.opt (fsplit_wide_types): New option.
7488         * opts.c (decode_options): Set flag_split_wide_types when
7489         optimizing.
7490         * timevar.def (TV_LOWER_SUBREG): Define.
7491         * rtl.h (gen_reg_rtx_offset): Declare.
7492         (reg_scan_update): Declare.
7493         * regs.h (clear_reg_info_regno): Declare.
7494         * tree-pass.h (pass_lower_subreg): Declare.
7495         (pass_lower_subreg2): Declare.
7496         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7497         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7498         -fsplit-wide-types.
7499         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7500         * Makefile.in (OBJS-common): Add lower-subreg.o.
7501         (lower-subreg.o): New target.
7502
7503 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7504
7505         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7506
7507 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7508
7509         PR target/19087
7510         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7511
7512 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7513
7514         PR middle-end/29335
7515         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7516
7517 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7518
7519         * cfgloop.h: Include vec-prim.h.
7520         (enum li_flags): Remove LI_ONLY_OLD.
7521         (loop_iterator): Changed.
7522         (fel_next, fel_init): Iterate over loop tree.
7523         (FOR_EACH_LOOP_BREAK): New macro.
7524         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7525         FOR_EACH_LOOP.
7526         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7527         * modulo-sched.c (sms_schedule): Ditto.
7528         * tree-vectorizer.c (vectorize_loops): Ditto.
7529         * doc/loop.texi: Update information on loop numbering and behavior of
7530         FOR_EACH_LOOP wrto new loops.
7531         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7532         add_to_evolution_1): Test nestedness of loops instead of comparing
7533         their numbers.
7534         * tree-chrec.c (chrec_fold_plus_poly_poly,
7535         chrec_fold_multiply_poly_poly, chrec_evaluate,
7536         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7537         reset_evolution_in_loop): Ditto.
7538         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7539
7540 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7541
7542         * c-common.c (warn_about_parentheses): Separate warning about
7543         un-parenthized sequence of comparison operators from the one
7544         which is supposed to warn about x <= y <= z.
7545
7546 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7547
7548         * optabs.h (enum optab_index): Add new OTI_isinf.
7549         (isinf_optab): Define corresponding macro.
7550         * optabs.c (init_optabs): Initialize isinf_optab.
7551         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7552         patterns.
7553         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7554         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7555         using isinf_optab.
7556         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7557         expand_builtin_interclass_mathfn.
7558         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7559         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7560         (fxam<mode>2_i387): New insn pattern.
7561         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7562         built-in functions as x87 inline asm.
7563
7564 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7565
7566         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7567
7568 2007-01-30  Eric Christopher  <echristo@apple.com>
7569
7570         * config.gcc: Add geode.
7571
7572 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7573
7574         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7575         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7576         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7577         value-prof.c: Fix comment typos.
7578
7579 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7580
7581         PR c++/24745
7582         * doc/invoke.texi (Wpointer-arith): Document warning.
7583
7584 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7585
7586         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7587         the list of discrepancies from the draft TR.
7588
7589 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7590
7591         PR c++/30601
7592         * doc/invoke.texi (-Wreturn-type): Update description to
7593         match new behavior.
7594
7595 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7596
7597         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7598
7599 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7600
7601         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7602         to handle optabs that operate on floating point input argument and
7603         output to integer output.
7604         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7605         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7606         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7607         expand_builtin_interclass_mathfn ().
7608         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7609         (ilogbsi2): Remove.
7610         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7611         ilogbl built-in functions as x87 intrinsics.
7612
7613 2007-01-30  Richard Guenther  <rguenther@suse.de>
7614
7615         PR middle-end/27657
7616         * dwarf2out.c (reference_to_unused): Query varpool if the
7617         variable was output.
7618
7619 2007-01-30  Richard Guenther  <rguenther@suse.de>
7620
7621         PR middle-end/30313
7622         * passes.c (execute_one_pass): Reset in_gimple_form to not
7623         confuse non-unit-at-a-time mode.
7624
7625 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7626             Richard Guenther  <rguenther@suse.de>
7627
7628         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7629         avoid undefined behaviour on overflow.  Use force_fit_type_double
7630         to construct the constant with the specified TREE_OVERFLOW.
7631
7632 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7633
7634         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7635         * config/dfp-bit.h: Ditto.
7636
7637 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7638
7639         * c-decl.c (pop_scope): Replace warnings with call to
7640         warn_for_unused_label.
7641         * c-common.h (warn_for_unused_label): Declare.
7642         * c-common.c (warn_for_unused_label): Define.
7643
7644 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7645
7646         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7647         function.
7648
7649 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7650
7651         * Makefile.in (USER_H): Remove decfloat.h.
7652         * ginclude/decfloat.h: Delete, moving contents to ...
7653         * ginclude/float.h: Add support for decimal floating point,
7654         guarded by __STDC_WANT_DEC_FP__.
7655
7656 2007-01-29  Mike Stump  <mrs@apple.com>
7657
7658         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7659         Analysis and Representation to resolve case insensitive conflict.
7660         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7661
7662 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7663
7664         * tree.h (struct tree_memory_tag): Add aliases member.
7665         (MTAG_ALIASES): New macro.
7666         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7667         (add_may_alias): Remove pointer-set. Update for may_aliases being
7668         a bitmap.
7669         (mark_aliases_call_clobbered): Update for may_aliases being a
7670         bitmap.
7671         (compute_tag_properties): Ditto.
7672         (create_partition_for): Ditto.
7673         (compute_memory_partitions): Ditto.
7674         (dump_may_aliases_for): Ditto.
7675         (is_aliased_with): Ditto.
7676         (add_may_alias_for_new_tag): Ditto.
7677         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7678         (compute_is_aliased): New function.
7679         (compute_may_aliases): Call compute_is_aliased).
7680         (init_alias_info): Initialize alias_bitmap_obstack.
7681         (union_alias_set_into): New function.
7682         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7683         (have_common_aliases_p): Rewrite to take two bitmaps and use
7684         intersection.
7685         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7686         Update for bitmaps.
7687         (finalize_ref_all_pointers): Update for add_may_alias changes.
7688         (new_type_alias): Ditto.
7689         * tree-flow-inline.h (may_aliases): Return a bitmap.
7690         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7691         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7692         may_aliases being a bitmap.
7693         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7694         may_aliases now returns a bitmap.
7695         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7696         being a bitmap.
7697         * tree-ssa-operands.c (add_virtual_operand): Update for
7698         may_aliases being a bitmap.
7699
7700 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7701
7702         PR tree-optimization/30630
7703         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7704         variable as changed.
7705
7706 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7707
7708         PR c++/28266
7709         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7710         expanded only once even if an error occurs.
7711
7712 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7713
7714         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7715         (__gcov_average_profiler): Likewise.
7716         (__gcov_ior_profiler): Likewise.
7717         (__gcov_merge_ior): Likewise.
7718
7719 2007-01-28  Jan Hubicka  <jh@suse.cz>
7720
7721         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7722         * value-prof.c (stringop_block_profile): Likewise.
7723
7724 2007-01-28  Jan Hubicka  <jh@suse.cz>
7725
7726         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7727         variant handling histograms; add wrapper.
7728         (clear_storage_via_libcall): Export.
7729         (emit_block_move_hints): Break out from ...; add histograms.
7730         (emit_block_move): ... this one.
7731         (clear_storage_hints): Break out from ...; add histograms.
7732         (clear_storage): ... this one.
7733         (set_storage_via_memset): Handle histogram.
7734         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7735         (clear_storage_hints, clear_storage_via_libcall): Declare.
7736         (set_storage_via_setmem): Update prototype.
7737         * doc/md.texi (movmem, setmem): Document new arguments.
7738
7739         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7740         new histograms.
7741         (stringop_block_profile): New global function.
7742         (tree_stringops_values_to_profile): Profile block size and alignment.
7743         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7744         HIST_TYPE_IOR.
7745         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7746         (stringop_block_profile): Declare.
7747         * builtins.c: Include value-prof.h.
7748         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7749         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7750         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7751         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7752         * profile.c (instrument_values): Add new counters.
7753         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7754         calls.
7755         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7756         (tree_init_edge_profiler): Build new profilers.
7757         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7758         (pass_tree_profile): Add dump.
7759         (tree_profile_hooks): Update.
7760         * Makefile.in (LIBGCOV): Add new constants.
7761         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7762         __gcov_ior_profiler): New.
7763         * i386.md (movmem/setmem expanders): Add new optional arguments.
7764
7765 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7766
7767         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7768
7769 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7770
7771         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7772         (tree_unswitch_single_loop): Pass eni_size_weights to
7773         tree_num_loop_insns.
7774         * tree-ssa-loop-manip.c: Include tree-inline.h.
7775         (can_unroll_loop_p): Pass eni_size_weights to
7776         tree_num_loop_insns.
7777         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7778         Pass eni_size_weights to estimate_num_insns.
7779         * tree.h (init_inline_once): Export.
7780         * toplev.c (backend_init): Call init_inline_once.
7781         * cgraphunit.c (cgraph_process_new_functions,
7782         cgraph_analyze_function): Pass eni_inlining_weights to
7783         estimate_num_insns.
7784         * ipa-inline.c (compute_inline_parameters): Ditto.
7785         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7786         to estimate_num_insns.
7787         (try_unroll_loop_completely): Pass eni_size_weights to
7788         tree_num_loop_insns.
7789         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7790         ot estimate_num_insns.
7791         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7792         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7793         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7794         eni_time_weights): New variables.
7795         (init_inline_once): Initialize them.
7796         (struct eni_data): Mew.
7797         (estimate_num_insns_1, estimate_num_insns): Use weights.
7798         * tree-inline.h (struct eni_weights_d): New.
7799         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7800         (estimate_num_insns): Declaration changed.
7801         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7802         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7803         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7804
7805 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7806
7807         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7808         relations in the conflict function is valid.
7809
7810 2007-01-27  Ian Lance Taylor  <iant@google.com>
7811
7812         * common.opt: Add fstrict-overflow.
7813         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7814         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7815         (TYPE_OVERFLOW_UNDEFINED): Define.
7816         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7817         Replace all uses.
7818         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7819         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7820         (fold_negate_expr): Likewise.
7821         (make_range): Likewise.
7822         (extract_muldiv_1): Likewise.
7823         (maybe_canonicalize_comparison): Likewise.
7824         (fold_comparison): Likewise.
7825         (fold_binary): Likewise.
7826         (tree_expr_nonnegative_p): Likewise.
7827         (tree_expr_nonzero_p): Likewise.
7828         * tree-vrp.c (compare_values): Likewise.
7829         (extract_range_from_binary_expr): Likewise.
7830         (extract_range_from_unary_expr): Likewise.
7831         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7832         Likewise.
7833         (nowrap_type_p): Likewise.
7834         * tree-scalar-evolution.c (simple_iv): Likewise.
7835         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7836         (build_range_check): Likewise.
7837         (extract_muldiv_1): Likewise.
7838         (fold_comparison): Likewise.
7839         * tree-vrp.c (vrp_int_const_binop): Likewise.
7840         (extract_range_from_unary_expr): Likewise.
7841         * convert.c (convert_to_integer): Likewise.
7842         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7843         (fold_comparison): Likewise.
7844         (fold_binary): Likewise.
7845         * optabs.c (optab_for_tree_code): Likewise.
7846         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7847         * simplify-rtx.c (simplify_const_relational_operation): Check
7848         flag_strict_overflow and flag_trapv.
7849         (simplify_const_relational_operation): Likewise.
7850         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7851         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7852         -fstrict-overflow.
7853
7854 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7855
7856         * tree.c (tree_fold_gcd): Delete.
7857         * tree.h (tree_fold_gcd): Remove prototype.
7858         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7859         test whether one constant integer is a multiple of another.  Instead
7860         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7861         * fold-const.c (multiple_of_p):  We've determined both TOP and
7862         BOTTOM are integer constants so we can call int_const_binop directly
7863         instead of the more generic const_binop.
7864
7865 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7866
7867         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7868         1*X check that the constant hasn't overflowed, to preserve the
7869         TREE_OVERFLOW bit.
7870         (round_up): Provide an efficient implementation when rouding-up an
7871         INTEGER_CST to a power-of-two.
7872
7873 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7874
7875         * doc/sourcebuild.texi: Add comma for clarity.
7876         * doc/extend.texi: Fix some typos.
7877         * doc/passes.texi: Likewise.
7878         * doc/cppinternals.texi: Likewise.
7879         * doc/c-tree.texi: Likewise.
7880         * doc/tree-ssa.texi: Likewise.
7881         * doc/install.texi: Likewise.
7882
7883 2007-01-27  Jan Hubicka  <jh@suse.cz>
7884
7885         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7886         (pass_sra): Do not require alias information.
7887         * passes.c (init_optimization_passes): Add SRA
7888
7889 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7890
7891         * tracer.c (rest_of_handle_tracer): We already cleaned
7892         up the CFG in tracer() so don't do it here again.
7893         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7894         cleanup_cfg here, either.  And don't call renumber_insns.
7895
7896         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7897         and BB_HEAD are in the insn stream here.  Instead make sure
7898         that BB_INSN is valid on all insns.  Also, do check here that
7899         there are no pending branch predictions...
7900         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7901         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7902         here.
7903
7904 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7905
7906         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7907         function to simplify/factorize operand order canonicalization.
7908         (ix86_fixup_binary_operands): Reorganize using the above function.
7909         (ix86_binary_operator_ok): Likewise.
7910
7911 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7912
7913         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7914         file scope from optimize_attrs.
7915         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7916         up search.
7917         (optimize_attrs): Clear insn_code_values after freeing it.
7918
7919 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7920
7921         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7922         a parts.base assignment.
7923
7924 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7925
7926         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7927         (compute_subscript_distance, initialize_data_dependence_relation,
7928         finalize_ddr_dependent, analyze_ziv_subscript,
7929         analyze_siv_subscript_cst_affine,
7930         compute_overlap_steps_for_affine_univar,
7931         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7932         analyze_siv_subscript, analyze_miv_subscript,
7933         analyze_overlapping_iterations, subscript_dependence_tester_1,
7934         compute_self_dependence, free_dependence_relation): Work
7935         with affine_fn instead of chrecs.
7936         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7937         common_affine_function, affine_function_base,
7938         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7939         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7940         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7941         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7942         (all_chrecs_equal_p): Removed.
7943         * tree-data-ref.h (affine_fn, conflict_function): New types.
7944         (struct subscript): Change type of conflicting_iterations_in_a
7945         and conflicting_iterations_in_b.
7946
7947 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7948
7949         PR other/30182
7950         * config/pa/pa.h (TARGET_HPUX_11): New.
7951         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7952         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7953
7954 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7955         Richard Guenther  <rguenther@suse.de>
7956
7957         * tree-ssa-structalias.c (solve_graph): Handle case
7958         we merged the variable to another.
7959
7960 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7961
7962         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7963         functions.
7964
7965         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7966         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7967
7968 2007-01-25  DJ Delorie  <dj@redhat.com>
7969
7970         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7971         allow changes to modes which don't fit in those registers.
7972
7973         * reload1.c (choose_reload_regs): Check for invalid subregs before
7974         computing their locations, not after.
7975
7976 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7977
7978         PR 25127
7979         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7980         save Altivec registers in an eh_return function.
7981         (compute_vrsave_mask): Likewise.
7982         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7983         for saving Altivec registers.
7984         (rs6000_emit_prologue): Don't allocate stack twice in
7985         eh_return function.  Correct expected value of altivec_save_offset
7986         when using save_world.  Describe save of R0 to stack when using
7987         save_world.  Describe stack pointer adjustment when using
7988         save_world.  Remove duplicated eh_return parameter register saving.
7989         Update sp_offset variable after save_world.
7990         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7991         darwin-world.asm.
7992         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7993         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7994         implies Altivec.
7995
7996 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7997
7998         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7999
8000 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8001
8002         PR other/30182
8003         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8004         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8005
8006 2007-01-25  Richard Guenther  <rguenther@suse.de>
8007
8008         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8009         * common.opt (-Wcoverage-mismatch): New warning option.
8010         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8011         if -Wcoverage-mismatch is given.
8012
8013 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8014
8015         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8016         (ipcp_driver): Change to static definition.
8017         Add dumping of the ifunctions.
8018         (constant_val_insert): Remove unused parameter. Support for SSA.
8019         (ipcp_propagate_const): Support for SSA.
8020         (ipcp_profile_bb_print): Print only analyzed nodes.
8021         (ipcp_replace_map_create): Remove support for Fortran constant
8022         for now.
8023         * ipa-prop.c (ipa_method_modify_stmt,
8024         ipa_callsite_compute_param): Support for SSA.
8025         * ipa-prop.h (ipcp_driver): Remove declaration.
8026         (IS_VALID_TREE_MAP_INDEX): Add define.
8027
8028 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8029
8030         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8031
8032 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8033
8034         PR middle-end/30447
8035         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8036         constant argument to cabs and do it without checking for
8037         -funsafe-math-optimizations.
8038
8039 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8040
8041         * c-common.h (RID_FIRST_CXX0X): New.
8042         (RID_LAST_CXX0X): New.
8043         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8044         by -Wall.
8045         * c.opt (Wc++0x-compat): New.
8046         * doc/invoke.texi (-Wc++0x-compat): Document.
8047
8048 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8049
8050         * builtins.c (fold_builtin_carg): New.
8051         (fold_builtin_1): Use it.
8052
8053 2007-01-24  Jan Hubicka  <jh@suse.cz>
8054
8055         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8056
8057         * ipa-inline.c (initial_insns, max_insns): Delete.
8058         (compute_max_insns): New function.
8059         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8060         of insns as base for code growth.
8061         (cgraph_decide_inlining): Make initial_insns local; do not compute
8062         max_insns.
8063         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8064         * doc/invoke.texi (inline-unit-growth): Update docs.
8065
8066 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8067
8068         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8069         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8070         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8071         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8072         for CPUs that have PTA_CX16 set.
8073
8074         PR middle-end/27416
8075         * gimplify.c (omp_check_private): New function.
8076         (gimplify_scan_omp_clauses): Use it for
8077         firstprivate/lastprivate/reduction.
8078
8079         PR middle-end/30494
8080         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8081         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8082
8083         PR middle-end/30421
8084         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8085         If lower_lastprivate_clauses emits some statements, append them
8086         to dlist rather than body_p and to body_p append an initializer.
8087         (lower_omp_for): Adjust caller.
8088
8089 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8090
8091         * target.h (globalize_decl_name): New.
8092         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8093         * output.h (default_globalize_decl_name): New.
8094         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8095         globalize_label.
8096         (globalize_decl): Ditto.
8097         (default_globalize_decl_name): New.
8098         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8099         (ia64_handle_version_id_attribute): New.
8100         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8101         (ia64_asm_output_external): Use globalize_decl_name instead
8102         of globalize_label.
8103         * doc/extend.texi (version_id): New pragma.
8104         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8105
8106 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8107
8108         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8109         _uleb128_t and _Unwind_SWord with _sleb128_t.
8110         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8111         uw_frame_state_for, uw_update_context_1): Likewise.
8112         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8113         * unwind-pe.h (read_uleb128, read_sleb128,
8114         read_encoded_value_with_base): Likewise.
8115         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8116
8117 2007-01-24  Richard Guenther  <rguenther@suse.de>
8118
8119         * builtins.c (expand_builtin_cexpi): Get the fndecl
8120         for cexp in the correct way.
8121
8122 2007-01-24  Jan Hubicka  <jh@suse.cz>
8123
8124         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8125
8126 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8127
8128         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8129         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8130         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8131         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8132         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8133         __SIZEOF_PTRDIFF_T__.
8134         * doc/cpp.texi: Documentation for the new builtin macros added.
8135
8136 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8137
8138         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8139         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8140         instead of operands[2] to avoid access past the end of array.
8141
8142 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8143
8144         * reload1.c (emit_reload_insns): Pass the reload register
8145         for a non-spill output reload through forget_old_reloads_1.
8146
8147 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8148
8149         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8150         _SOFT_DOUBLE if doubles use software floating-point.
8151         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8152         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8153         * config/rs6000/darwin-ldouble.c: Also compile functions for
8154         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8155         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8156         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8157         commented-out long double override.
8158         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8159         * config/rs6000/eabispe.h: Likewise.
8160         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8161         long double for non-SPE.
8162         (rs6000_handle_option): Likewise.
8163         (invalid_e500_subreg): Disallow more subregs involding DImode,
8164         DFmode, TImode or TFmode.
8165         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8166         E500 double.
8167         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8168         double.
8169         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8170         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8171         double.
8172         (rs6000_legitimate_address): Also check for TFmode for E500
8173         double.
8174         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8175         (spe_build_register_parallel): Handle TFmode and TCmode.
8176         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8177         double.
8178         (function_arg): Handle TFmode and TCmode for E500 double.
8179         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8180         in general.
8181         (print_operand): Handle TFmode and TImode for %y.
8182         (rs6000_generate_compare): Handle TFmode comparisons for E500
8183         double.
8184         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8185         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8186         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8187         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8188         TFmode for E500 double.
8189         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8190         (floatsidf2): Enable for E500 double.
8191         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8192         (extenddftf2): Change to extenddftf2_fprs.
8193         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8194         depending on TARGET_E500_DOUBLE.
8195         (extendsftf2): Enable for E500 double.
8196         (trunctfdf2): Enable for E500 double.
8197         (trunctfsf2): Change to trunctfsf2_fprs.
8198         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8199         depending on TARGET_E500_DOUBLE.
8200         (floatsitf2): Enable for E500 double.
8201         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8202         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8203         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8204         (negtf2): Change to negtf2_internal.
8205         (negtf2): New expander.
8206         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8207         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8208         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8209         (movdi_internal32): Use rs6000_nonimmediate_operand.
8210         (unnamed splitter): Likewise.
8211         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8212         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8213         (SPE64TF, DITI): New mode macros.
8214         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8215         modes.
8216         (frob_tf_ti): New.
8217         (frob_<mode>_di_2): New.
8218         (frob_tf_di_8_2): New.
8219         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8220         (frob_ti_tf): New.
8221         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8222         more modes.
8223         (frob_ti_<mode>_8_2): New.
8224         (frob_ti_tf_2): New.
8225         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8226         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8227         TFmode.
8228         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8229         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8230         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8231         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8232         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8233         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8234         tsttflt_gp): New.
8235
8236 2007-01-23  Ian Lance Taylor  <iant@google.com>
8237
8238         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8239         insn-*.o first.
8240         (OBJS-archive): Reformat, alphabetize.
8241         (OBJS): Change out_object_file to OBJS-md.
8242
8243 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8244
8245         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8246         JUMP_P and CALL_P predicates where applicable.
8247         * config/i386/i386.c: Ditto.
8248         * config/i386/i386.md: Ditto.
8249         * config/i386/mmx.md: Ditto.
8250         * config/i386/predicates.md: Ditto.
8251
8252 2007-01-22  Andreas Schwab  <schwab@suse.de>
8253
8254         * config/m68k/m68k.h: Fix comment.
8255
8256 2007-01-22  Jan Hubicka  <jh@suse.cz>
8257
8258         * passes.c (init_optimization_passes): Do not rerun
8259         pass_early_warn_uninitialized.
8260
8261 2007-01-22  Richard Guenther  <rguenther@suse.de>
8262
8263         PR tree-optimization/30038
8264         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8265         function.
8266         (execute_cse_sincos_1): Likewise.
8267         (execute_cse_sincos): Likewise.
8268         (gate_cse_sincos): Likewise.
8269         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8270         the cexpi() canonicalization of sincos().
8271         * tree-pass.h (pass_cse_sincos): Declare.
8272         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8273
8274 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8275
8276         PR rtl-optimization/29329
8277         * combine.c (replaced_rhs_insn): Rename to i2mod.
8278         (replaced_rhs_value): Rename to i2mod_new_rhs.
8279         (i2mod_old_rhs): New global variable.
8280         (combine_instructions): Adjust for above change.  Save a copy of
8281         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8282         note are substituted in the second instruction.
8283         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8284         ditch the note if it pertains to the second eliminated register
8285         and this register is mentioned in i2mod_old_rhs.
8286
8287         Revert:
8288         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8289
8290         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8291         the insn to which the note was originally attached.
8292
8293 2007-01-21  Jan Hubicka  <jh@suse.cz>
8294
8295         * ipa-inline.c (inlining_mode): Comment, move up.
8296         (cgraph_decide_inlining_incrementally): Do not perform inlining
8297         itself; fix handling of flattening of self recursive functions.
8298         (cgraph_find_cycles): Remove.
8299         (cgraph_flatten_node): Remove.
8300         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8301         (try_inline): New function.
8302         (cgraph_early_inlining): Update call of
8303         cgraph_decide_inlining_incrementally.  Apply inlining here.
8304         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8305
8306 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8307
8308         PR bootstrap/30511
8309         * tree-vrp.c (check_array_bounds): do not warn
8310         about ADDR_EXPR's of ARRAY_REF's which are immediately
8311         used in binary expressions.
8312
8313 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8314
8315         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8316         read_write_dep and macros for its access.
8317         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8318         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8319         argument, call vect_check_interleaving for every independent pair of
8320         data-refs. Mark loads that access the same memory location as a store
8321         in the loop.
8322         (vect_check_dependences): Remove.
8323         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8324         call, fix the call to vect_analyze_data_ref_dependence.
8325         (vect_analyze_data_ref_access): For statements that access the same
8326         data-ref, check that they are not stores; for loads, check that there
8327         is no store that access the same location.
8328
8329 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8330             Joseph Myers  <joseph@codesourcery.com>
8331
8332         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8333         (-fdump-rtl-stack): Likewise.
8334         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8335         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8336         (-mpt-fixed): Use @minus{} for minus sign.
8337         (Using Precompiled Headers): Fix under/overfull hbox.
8338
8339 2007-01-20  Jan Hubicka  <jh@suse.cz>
8340
8341         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8342         place within annotation.
8343
8344 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8345
8346         * pa.c (output_move_double): Change array size of xoperands to 4.
8347
8348 2007-01-20  Jan Hubicka  <jh@suse.cz>
8349
8350         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8351         as temporary.
8352
8353 2007-01-19  Ian Lance Taylor  <iant@google.com>
8354
8355         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8356         constant to unsigned HOST_WIDE_INT before negating.
8357
8358 2007-01-19  Ian Lance Taylor  <iant@google.com>
8359
8360         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8361         to unsigned.
8362         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8363         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8364         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8365         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8366         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8367         (realloc_vdef, realloc_vuse): Change second parameter to
8368         unsigned.
8369         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8370         fields to unsigned.
8371         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8372         unsigned. Change x and lim locals to unsigned.
8373         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8374         unsigned.
8375         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8376         (copy_virtual_operands): Change i and n locals to unsigned.
8377
8378 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8379
8380         PR middle-end/29335
8381         * builtins.c (fold_builtin_1): Handle builtin fdim.
8382
8383 2007-01-20  Jan Hubicka  <jh@suse.cz>
8384
8385         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8386         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8387         init_alias_heapvars.
8388         (init_alias_heapvars): Initialize only when not already initialized.
8389         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8390
8391 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8392
8393         * common.opt (fsigned-zeros): New command line option.
8394         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8395         of flag_unsafe_math_optimizations.
8396         * opts.c (set_fast_math_flags): The -ffast-math command line option
8397         implies -fno-signed-zeros.
8398         (fast_math_flags_set_p): Likewise.
8399
8400         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8401         the documentation of -ffast-math appropriately.  Wrap long lines.
8402
8403 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8404
8405         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8406         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8407
8408 2007-01-19  Tomas Bily  <tbily@suse.cz>
8409
8410         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8411         * tree-profile.c:
8412         (tree_init_ic_make_global_vars): New function
8413         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8414         (tree_gen_ic_profiler): New function
8415         (tree_gen_ic_func_profiler): New function
8416         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8417         (tree_profile_hooks): Added hook for indirec/virtual calls
8418         * value-prof.c (tree_find_values_to_profile): New case for
8419         indirect calls
8420         (tree_values_to_profile): Call for determining indirect/virtual
8421         counters
8422         (tree_indirect_call_to_profile): New function
8423         (tree_ic_transform): New function
8424         (tree_ic): New function
8425         (find_func_by_pid): New function
8426         (init_pid_map): New function
8427         (tree_value_profile_transformations): Added check for
8428         indirect/virtual call transformation
8429         * value-prof.h (enum hist_type): New counter type for
8430         indirect/virtual calls
8431         (profile_hooks): Added new hook for profiling indirect/virtual
8432         calls
8433         * profile.c (instrument_values): New case for indirect/virtual
8434         call added
8435         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8436         (GCOV_COUNTER_V_INDIR): New counter type
8437         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8438         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8439         call added
8440         * cgraph.c: Definition of cgraph_max_pid
8441         (cgraph_create_node): Default init of pid attribute
8442         * cgraph.h: Declaration of cgraph_max_pid
8443         (struct cgraph_node): Added pid attribute
8444         * libgcov.c (__gcov_indirect_call_profiler): New function
8445         (__gcov_one_value_profiler_body): New function
8446         (__gcov_one_value_profiler): Body was moved to
8447         __gcov_one_value_profiler_body and calls it
8448
8449 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8450
8451         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8452         * gengtype.c (write_types_data, write_func_for_structure,
8453         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8454         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8455         (walk_type, write_func_for_structure): Generate the mark_hook if
8456         needed.
8457
8458 2007-01-19  Jan Hubicka  <jh@suse.cz>
8459
8460         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8461         'early' argument take inlining mode argument specifying whether to
8462         inline for size/speeed or all functions; add support for flattening;
8463         improve dumpting.
8464         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8465
8466 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8467
8468         PR c++/17947
8469         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8470         the name of the declared identifier.
8471
8472 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8473
8474         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8475         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8476         duplicate evaluation.
8477
8478 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8479
8480         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8481         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8482         to XFMode, use acosxf2 and truncate result to requested mode.
8483         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8484         (asin<mode>2): Similarly, with asin expanders.
8485         (*fscalexf4_i387): Rename from *fscalexf4.
8486         (expNcorexf3): New expander.
8487         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8488         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8489         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8490         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8491         patterns for SSE math.
8492         (exp10<mode>2): Similarly, with exp10 expanders.
8493         (exp2<mode>2): Similarly, with exp2 expanders.
8494         (expm1<mode>2): Similarly, with expm1 expanders.
8495         (ldexp<mode>3): Similarly, with ldexp expanders.
8496         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8497         Use gen_truncxf<mode>2_i387_noop to truncate result.
8498
8499 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8500
8501         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8502         for ColdFire targets.
8503
8504 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8505             Richard Sandiford  <richard@codesourcery.com>
8506
8507         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8508         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8509         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8510         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8511         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8512         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8513
8514 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8515
8516         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8517         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8518         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8519         (*adddi_dilshr32_cf): New pattern.
8520         (adddi3, subdi3): Remove first alternatives.
8521
8522 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8523
8524         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8525         implemented using move.l, do not use its cc result for floating-point
8526         comparisons.
8527
8528 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8529
8530         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8531         from accepting 's' constraints if flag_pic.
8532
8533 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8534
8535         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8536         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8537         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8538         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8539
8540 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8541
8542         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8543         ColdFire alternatives.
8544         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8545         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8546         architectures that support ff1 instruction.
8547
8548 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8549             Julian Brown  <julian@codesourcery.com>
8550
8551         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8552         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8553         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8554         Add commentary.
8555
8556 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8557
8558         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8559         and return a bool.
8560         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8561         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8562         HOST_WIDE_INT instead of an rtx.
8563         (m68k_rtx_costs): Update call accordingly.
8564         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8565         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8566         Return a bool.
8567         (output_move_simode_const): Update calls after above changes.
8568         Rework to use automatic variables and predicates like MEM_P.
8569         * config/m68k/m68k.md (pushexthisi_const): Update call to
8570         valid_mov3q_const.
8571
8572 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8573
8574         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8575         in dump_flags test.
8576
8577 2007-01-19  Richard Guenther  <rguenther@suse.de>
8578
8579         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8580         via cexp in case sincos is not available.
8581
8582 2007-01-19  Richard Guenther  <rguenther@suse.de>
8583
8584         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8585         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8586         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8587         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8588         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8589         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8590         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8591         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8592
8593 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8594
8595         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8596         New insn patterns.
8597         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8598         (atan2xf3): Directly generate RTL pattern.
8599         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8600         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8601         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8602         disable patterns for SSE math.
8603         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8604         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8605         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8606         disable patterns for SSE math.
8607
8608 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8609
8610         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8611
8612 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8613
8614         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8615         VIEW_CONVERT_EXPR to the same type as it's operand.
8616
8617 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8618
8619         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8620         configured for long double 128.
8621
8622 2007-01-18  Mike Stump  <mrs@apple.com>
8623
8624         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8625         error.
8626
8627 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8628
8629         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8630         type correct.
8631
8632 2007-01-18  Jan Hubicka  <jh@suse.cz>
8633
8634         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8635         greater than NUM_VOP_FREE_BUCKETS.
8636
8637 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8638
8639         * tree-ssa-structalias.c: Update comments.
8640         (ptabitmap_obstack): Removed.
8641         (pta_obstack): New.
8642         (oldpta_obstack): Ditto.
8643         (stats): Add a few members.
8644         (struct variable_info): Remove node, complex, address_taken, and
8645         indirect_target members. Add oldsolution member.
8646         (new_var_info): Do not initialize removed members.
8647         (constraint_expr_type): Remove INCLUDES.
8648         (constraint_graph): Add size, implicit_preds, rep,
8649         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8650         (FIRST_REF_NODE): New macro.
8651         (LAST_REF_NODE): Ditto.
8652         (FIRST_ADDR_NODE): Ditto.
8653         (find): New function.
8654         (unite): Ditto.
8655         (dump_constraint): Do not handle INCLUDES.
8656         (insert_into_complex): Do not insert duplicate constraints.
8657         (condense_varmap_nodes): Renamed and rewritten into ...
8658         (merge_node_constraints): This. Also fix bug in handling of
8659         offseted copy constraints.
8660         (clear_edges_for_node): No longer need to deal with preds at all,
8661         or removing associated preds/succs.
8662         (merge_graph_nodes): Deal with indirect_cycles.
8663         Don't deal with predecessors.
8664         (add_implicit_graph_edge): New function.
8665         (add_pred_graph_edge): Ditto.
8666         (add_graph_edge): Don't deal with predecessors.
8667         (build_constraint_graph): Removed.
8668         (build_pred_graph): New function.
8669         (build_succ_graph): Ditto.
8670         (struct scc_info): Removed in_component. Added roots, dfs, and
8671         node_mapping. Remove visited_index, unification_queue.
8672         (scc_visit): Deal with union-find we do now.
8673         Deal with cycles with REF nodes.
8674         (collapse_nodes): Renamed and rewritten to ...
8675         (unify_nodes): This.
8676         (process_unification_queue): Removed.
8677         (topo_visit): Cleanup
8678         (do_da_constraint): Use find.
8679         (do_sd_constraint): Ditto.
8680         (do_ds_constraint): Ditto.
8681         (do_complex_constraint): Ditto.
8682         (init_scc_info): Update for removed and added members.
8683         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8684         (find_indirect_cycles): This.
8685         (equivalence_class): New variable.
8686         (label_visit): New function.
8687         (perform_variable_substitution): Rewritten.
8688         (free_var_substitution_info): New function.
8689         (find_equivalent_node): Ditto.
8690         (move_complex_constraints): Ditto.
8691         (eliminate_indirect_cycles): Ditto.
8692         (solve_graph): Only propagate changed bits.
8693         Use indirect cycle elimination.
8694         Use find.
8695         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8696         (tree_id_eq): Renamed to ...
8697         (tree_vi_eq): This. Update for member change
8698         (insert_id_for_tree): Renamed and rewritten to ...
8699         (insert_vi_for_tree): This.
8700         (lookup_id_for_tree): Renamed and rewritten to ...
8701         (lookup_vi_for_tree): This.
8702         (get_id_for_tree): Renamed and rewritten to ...
8703         (get_vi_for_tree): Ditto.
8704         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8705         (process_constraint): Don't handle INCLUDES.
8706         Remove special ADDRESSOF case.
8707         (find_func_aliases): Rewrite to use vi functions instead of id
8708         ones.
8709         (create_function_info_for): Ditto.
8710         (create_variable_info_for): Ditto.
8711         (intra_create_variable_infos): Ditto.
8712         (merge_smts_into): Ditto.
8713         (find_what_p_points_to): Ditto.
8714         (init_base_vars): Ditto.
8715         (init_alias_vars): Ditto.
8716         (remove_preds_and_fake_succs): New function.
8717         (dump_sa_points_to_info): Dump new stats.
8718         (dump_solution_for_var): Use find.
8719         (set_used_smts): Fix formatting.
8720         (compute_points_to_sets): Updated for new functions.
8721         (ipa_pta_execute): Ditto.
8722
8723 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8724             Richard Sandiford  <richard@codesourcery.com>
8725
8726         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8727         parallels.
8728         * calls.c (expand_call): If the return value is a PARALLEL,
8729         extract its first member.
8730         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8731         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8732         use FUNCTION_EXTRA_EPILOGUE.
8733         (m68k_function_value): Return a PARALLEL if the return value
8734         is of a pointer type.
8735         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8736         (FUNCTION_EXTRA_EPILOGUE): Remove.
8737         * config/m68k/m68k.md (D0_REG): New constant.
8738
8739 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8740
8741         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8742         output a NOP for empty epilogues.
8743
8744 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8745
8746         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8747         before function.  Extend register save check to include all
8748         registers, not just integer ones.
8749
8750 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8751
8752         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8753         (m68k_use_return_insn): ...this.
8754         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8755         * config/m68k/m68k.c (use_return_insn): Rename to...
8756         (m68k_use_return_insn): ...this.
8757         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8758         of USE_RETURN_INSN.
8759
8760 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8761
8762         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8763         nearest even, fix denormal rounding overflow.
8764
8765 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8766
8767         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8768         f%$smove and f%$move.
8769         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8770         (extendsfdf2_cf): Use fdmove instead of f%&move.
8771         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8772         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8773
8774 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8775
8776         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8777         GPR<-GPR moves.
8778
8779 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8780
8781         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8782         (coldfire_single_format): Declare.
8783         (coldfire_double_format): Likewise.
8784         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8785         of qnan_msb_set to determine the lower bits of a canonical
8786         NaN significand.
8787         (encode_ieee_double): Likewise.
8788         (encode_ieee_quad): Likewise.
8789         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8790         (mips_single_format): Likewise.
8791         (ieee_double_format): Likewise.
8792         (mips_double_format): Likewise.
8793         (ieee_extended_motorola_format): Likewise.
8794         (ieee_extended_intel_96_format): Likewise.
8795         (ieee_extended_intel_128_format): Likewise.
8796         (ieee_extended_intel_96_round_53_format): Likewise.
8797         (ibm_extended_format): Likewise.
8798         (mips_extended_format): Likewise.
8799         (ieee_quad_format): Likewise.
8800         (mips_quad_format): Likewise.
8801         (vax_f_format): Likewise.
8802         (vax_d_format): Likewise.
8803         (vax_g_format): Likewise.
8804         (i370_single_format): Likewise.
8805         (i370_double_format): Likewise.
8806         (decimal_single_format): Likewise.
8807         (decimal_double_format): Likewise.
8808         (decimal_quad_format): Likewise.
8809         (c4x_single_format): Likewise.
8810         (c4x_extended_format): Likewise.
8811         (real_internal_format): Likewise.
8812         (coldfire_single_format): New real_format.
8813         (coldfire_double_format): Likewise.
8814         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8815         canonical_nan_lsbs_set.
8816         (pdp11_d_format): Likewise.
8817         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8818         if TARGET_COLDFIRE_CPU.
8819
8820 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8821
8822         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8823         (output_call, m68k_legitimize_call_address): Declare.
8824         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8825         parenthesees.  Add support for a 'W' constraint.
8826         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8827         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8828         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8829         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8830         variables.
8831         (override_options): Initialize them.  Do not set flag_no_function_cse
8832         for TARGET_ID_SHARED_LIBRARY.
8833         (m68k_output_pic_call): Delete.
8834         (m68k_legitimize_call_address): New function.
8835         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8836         (output_call): New function.
8837         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8838         target address from the GOT if symbolic jumps are not allowed.
8839         * config/m68k/m68k.md (call, general_operand): Do not set
8840         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8841         Merge separate flag_pic and !flag_pic define_insns into...
8842         (*call, *call_value): ...these new patterns.  Match the address
8843         rather than the containing MEM and require it to be a call_operand.
8844         Use output_call to generate the asm template.
8845         * config/m68k/predicates.md (const_call_operand): New predicate.
8846         (call_operand): Likewise.
8847
8848 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8849
8850         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8851         (STACK_GROWS_DOWNWARD): Define to 1.
8852         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8853         comments, emphasizing that these values are only defaults.
8854         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8855         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8856
8857 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8858
8859         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8860
8861 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8862             Richard Sandiford  <richard@codesourcery.com>
8863
8864         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8865         (FP_REGNO_P): New macros.
8866         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8867         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8868         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8869         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8870
8871 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8872
8873         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8874         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8875         to $tmake_file.
8876         * config/m68k/t-floatlib: New file, extracting common code from...
8877         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8878         * config/m68k/t-uclinux: Here.
8879         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8880         routines on ColdFire targets.
8881
8882 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8883
8884         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8885         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8886         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8887         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8888         explicitly set MOTOROLA to 1.
8889         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8890
8891 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8892             Nathan Sidwell  <nathan@codesourcery.com>
8893
8894         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8895         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8896         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8897         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8898         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8899         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8900         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8901         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8902         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8903         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8904         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8905         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8906         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8907         (DBX_REGISTER_NUMBER): Delete.
8908         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8909         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8910         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8911
8912 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8913
8914         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8915         * config/flat.h: New file.
8916         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8917         OBJECT_FORMAT_FLAT.
8918         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8919         indirect references for -msep-data or -mid-shared-library.
8920         Do not use PC-relative code addresses either.
8921         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8922         to -mpcrel.
8923         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8924         for shared libraries and crt1.o for executables.  Use crti.o and
8925         crtbegin.o.
8926         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8927         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8928         Do not add -elf2flt or -shared-lib-id options here.
8929         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8930         Pass -shared-lib-id if -mid-shared-library, taking the library
8931         identifier from -mshared-library-id if given, otherwise
8932         defaulting to 0.
8933         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8934         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8935         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8936         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8937         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8938         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8939         and crtend.o.
8940         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8941         jump sequence for ISA A and ISA A+.
8942         (PICJUMP): Likewise.
8943
8944 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8945
8946         * config.gcc (m68k-*-uclinux*): Base the port on the common
8947         and m68k GNU/Linux files rather than on the generic ELF ones.
8948         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8949         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8950
8951 2007-01-18  Julian Brown  <julian@codesourcery.com>
8952             Richard Sandiford  <richard@codesourcery.com>
8953
8954         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8955         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8956         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8957         before redefining.
8958         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8959         80 unconditionally.
8960         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8961
8962 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8963
8964         * doc/install.texi: Document m68k-uclinuxoldabi.
8965         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8966         * config/m68k/uclinux-oldabi.h: New file, copied from
8967         config/m68k/uclinux.h.
8968
8969 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8970
8971         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8972         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8973         (m32r_compute_frame_size): Use unsigned for regno.
8974         (m32r_reload_lr): Use gen_frame_mem.
8975         (pop): New.
8976         (m32r_output_function_epilogue): Don't output the function epilogue
8977         textually here.
8978         (m32r_expand_epilogue): New.
8979         (direct_return): Return false if the function has the interrupt
8980         attribute.
8981         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8982         * config/m32r/m32r.md (epilogue): New expander.
8983         (return_lr, return_rte): New insns.
8984         (return): Make it expander.
8985         (return_normal): New expander.
8986
8987 2007-01-18  Josh Conner  <jconner@apple.com>
8988
8989         PR target/30485
8990         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8991         support for UNLE, UNLT, UNGE, and UNGT.
8992
8993 2007-01-18  Jan Hubicka  <jh@suse.cz>
8994
8995         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8996         * tree-tailcall (add_virtual_phis): Likewise.
8997         (optimize_tail_call): Return TODOs.
8998         (execute_tail_calls): Return TODOs.
8999         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9000         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9001         changed.
9002         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9003         Cleanup cfg using TODO.
9004         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9005         * passes.c (execute_function_todo): When cleanup did something, remove
9006         unused locals.
9007         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9008         (make_edges): Don't cleanup_cfg.
9009
9010 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9011
9012         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9013         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9014         operate on the top of stack.
9015         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9016         register handling of instructions that output to the second
9017         stack slot.
9018         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9019         (move_for_stack_reg): Special-case check for dead destination
9020         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9021
9022         * config/i386/i386.md (UNSPEC_TAN): New constant.
9023         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9024         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9025         to correctly model move of constant 1.0 to top stack slot.
9026         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9027         (unnamed peephole2 pattern): Remove corresponding peephole2
9028         pattern that optimizes tan insn and loading of constant 1.0.
9029         (tanxf2): Use fptanxf4_i387.
9030         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9031         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9032         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9033         disable patterns for SSE math.
9034         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9035         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9036
9037 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9038             Richard Guenther <rguenther@suse.de>
9039
9040         PR diagnostic/8268
9041         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9042         * common.opt (Warray-bounds): Add new warning option.
9043         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9044         if -Wall is given.
9045         * Makefile.in: make tree-vrp.o depend on toplev.h
9046         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9047         is enabled.
9048         (check_array_refs, check_array_bounds, check_array_ref): New.
9049
9050 2007-01-18  Jan Hubicka  <jh@suse.cz>
9051
9052         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9053         (execute_ssa_ccp): Return flags conditionally.
9054         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9055         changed.
9056         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9057
9058 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9059
9060         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9061         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9062
9063         * Makefile.c (GTFILES): Add cfglayout.h.
9064         * gengtype.c (open_base_files): Likewise.
9065         * cfglayout.c (cfg_layout_function_footer,
9066         cfg_layout_function_header) Reindent to make gengtype happy.
9067         * cfglayout.h (cfg_layout_function_footer,
9068         cfg_layout_function_header): Add GTY(()) marker.
9069
9070         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9071
9072 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9073
9074         * genautomata.c (write_automata): Include xstrerror output in the
9075         error message if writing the DFA description file fails.
9076
9077 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9078
9079         * config/mips/mips-protos.h (mips_output_external): Make it
9080         return void.
9081         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9082         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9083         (extern_list): Likewise.
9084         (extern_head): Likewise.
9085         (TARGET_ASM_FILE_END): Likewise.
9086         (mips_file_end): Likewise.
9087         (mips_output_external): Rewritten.
9088
9089 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9090
9091         * genpreds.c (write_insn_preds_c): Only write out the function
9092         body for regclass_for_constraint if we have register constraints.
9093
9094 2007-01-17  Tom Tromey  <tromey@redhat.com>
9095
9096         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9097         * doc/install.texi (Testing): Use sourceware.org.
9098         (Binaries): Likewise.
9099         (Specific): Likewise.
9100         * doc/contrib.texi (Contributors): Use sourceware.org.
9101
9102 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9103
9104         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9105         (AVR_ENHANCED): Rename to ...
9106         (AVR_HAVE_MUL): ... new.
9107         (avr_enhanced_p): Rename to ...
9108         (avr_have_mul_p): ... new.
9109         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9110         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9111         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9112         (avr_have_mul_p): ... new.
9113         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9114         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9115         'avr_enhanced_p' and 'enhanced'.
9116         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9117         AVR_HAVE_MUL instead of AVR_ENHANCED.
9118         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9119         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9120         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9121         instead of AVR_ENHANCED.
9122         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9123         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9124         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9125
9126 2007-01-17  Ian Lance Taylor  <iant@google.com>
9127
9128         * vec.h (VEC_reserve_exact): Define.
9129         (vec_gc_p_reserve_exact): Declare.
9130         (vec_gc_o_reserve_exact): Declare.
9131         (vec_heap_p_reserve_exact): Declare.
9132         (vec_heap_o_reserve_exact): Declare.
9133         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9134         versions.
9135         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9136         negative parameter.
9137         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9138         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9139         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9140         * vec.c (calculate_allocation): Add exact parameter.  Change all
9141         callers.
9142         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9143         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9144         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9145         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9146         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9147         (vec_heap_p_reserve_exact): New function.
9148         (vec_heap_o_reserve_exact): New function.
9149
9150 2007-01-17  Jan Hubicka  <jh@suse.cz>
9151
9152         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9153
9154 2007-01-17  Eric Christopher  <echristo@apple.com>
9155
9156         * config.gcc: Support core2 processor.
9157
9158 2007-01-16  Jan Hubicka  <jh@suse.cz>
9159
9160         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9161         the names, just unlink the chain so we don't crash on dangling pointers
9162         to dead SSA names.
9163
9164 2007-01-16  Jan Hubicka  <jh@suse.cz>
9165
9166         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9167         * tree-pass.h: Reorder to make IPA passes appear toegher.
9168         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9169         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9170         parameters, do not call early inliner.
9171         * ipa-inline.c: Update comments.  Include tree-flow.h
9172         (cgraph_decide_inlining): Do not compute inlining parameters.
9173         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9174         be called with function context set up.
9175         (pass_ipa_inline): Remove unreachable functions before pass.
9176         (cgraph_early_inlining): Simplify assuming to be called from the
9177         PM as local pass.
9178         (pass_early_inline): New pass.
9179         (cgraph_gate_ipa_early_inlining): New gate.
9180         (pass_ipa_early_inline): Turn into simple wrapper.
9181         (compute_inline_parameters): New function.
9182         (gate_inline_passes): New gate.
9183         (pass_inline_parameters): New pass.
9184         (apply_inline): Move here from tree-optimize.c
9185         (pass_apply_inline): New pass.
9186         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9187         transforming.
9188         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9189         doing them by hand.
9190         (tree_function_versioning): Do not allocate dummy struct function.
9191         * tree-inline.h (optimize_inline_calls): Update prototype.
9192         * tree-optimize.c (execute_fixup_cfg): Export.
9193         (pass_fixup_cfg): Remove
9194         (tree_rest_of_compilation): Do not apply inlines.
9195         * tree-flow.h (execute_fixup_cfg): Declare.
9196         * Makefile.in (gt-passes.c): New.
9197         * passes.c: Include gt-passes.h
9198         (init_optimization_passes): New passes.
9199         (nnodes, order): New static vars.
9200         (do_per_function_toporder): New function.
9201         (execute_one_pass): Dump current pass here.
9202         (execute_ipa_pass_list): Don't dump current pass here.
9203
9204 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9205
9206         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9207         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9208
9209 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9210
9211         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9212         (strong_alias): Define.
9213         (__gcc_qmul): Provide non-FMA for soft-float.
9214         (__gcc_qdiv): Same.
9215         (__gcc_qneg): New.
9216         (__gcc_qeq): New.
9217         (__gcc_qle): New.
9218         (__gcc_qge): New.
9219         (__gcc_qunord): New.
9220         (__gcc_stoq): New.
9221         (__gcc_dtoq): New.
9222         (__gcc_qtos): New.
9223         (__gcc_qtod): New.
9224         (__gcc_qtoi): New.
9225         (__gcc_qtou): New.
9226         (__gcc_itoq): New.
9227         (__gcc_utoq): New.
9228         (fmsub): New.
9229         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9230         soft-float functions.
9231         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9232         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9233         about long double soft float.
9234
9235 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9236             Tehila Meyzels  <tehila@il.ibm.com>
9237
9238         * tree-vectorizer.h (is_pattern_stmt_p): New.
9239         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9240         formatting (tabs instead of spaces). Cleanup and clarify setting
9241         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9242         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9243         (vectorizable_type_demotion): Check that types are integral.
9244         (vectorizable_type_promotion): Likewise.
9245         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9246         comments.
9247
9248 2007-01-16  Jan Hubicka  <jh@suse.cz>
9249
9250         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9251         cgraph edges too.
9252
9253 2007-01-15  Eric Christopher  <echristo@apple.com>
9254
9255         * ifcvt.c: Include vec.h, vecprim.h.
9256         (check_cond_move_block): New argument regs.
9257         Reorganize. Add registers used to regs.
9258         (cond_move_process_if_block): Use regs set above as
9259         loop bounds.
9260
9261 2007-01-15  Eric Christopher  <echristo@apple.com>
9262
9263         * config/darwin.h: Update copyright.
9264         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9265         (LINK_COMMAND_SPEC): Add -u.
9266         (LINK_SPEC): Fix umbrella for above.
9267
9268 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9269
9270         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9271         glibc CVS.
9272
9273 2007-01-15  Tom Tromey  <tromey@redhat.com>
9274
9275         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9276         * doc/install.texi (Testing): Don't mention jacks.
9277         (Configuration): Document --enable-java-maintainer-mode.  Move
9278         --with-java-home to libgcj-specific section.  Document
9279         --with-ecj-jar.
9280         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9281
9282 2007-01-15  Jan Hubicka  <jh@suse.cz>
9283
9284         * tree-ssa-dce.c (DCE_TODOs): New.
9285         (propagate_necessity): Return if something changed.
9286         (eliminate_unnecessary_stmts): Likewise.
9287         (perform_tree_ssa_dce): Return TODO flags when needed.
9288         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9289
9290 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9291
9292         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9293         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9294         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9295         patterns using X87MODEF12 mode macro.  Extend operand 1
9296         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9297         (log10<mode>2): Ditto.
9298         (log2<mode>2): Ditto.
9299         (log1p<mode>2): Ditto.
9300         (logb<mode>2): Ditto.
9301         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9302         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9303         (*fxtractxf3_i387): Rename from *fxtractxf3.
9304         (fxtract_extend<mode>xf3_i387): New insn pattern.
9305         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9306         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9307         and gen_fyl2xxf3_i387().
9308
9309 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9310
9311         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9312         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9313         get_loop_exit_edges.  Changed return type to bool.
9314         * cfgloop.h (fix_loop_placement): Declaration removed.
9315
9316 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9317
9318         * param.h (MIN_VECT_LOOP_BOUND): New.
9319         * params.def (MIN_VECT_LOOP_BOUND): New.
9320         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9321         argument - minimum threshold for number of iterations.
9322         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9323         argument to declaration.
9324         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9325         MIN_VECT_LOOP_BOUND.
9326         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9327         slpeel_tree_peel_loop_to_edge with additional argument.
9328         (vect_do_peeling_for_alignment): Likewise.
9329         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9330
9331 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9332
9333         PR target/30413
9334         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9335         operands of size 1.
9336
9337 2007-01-14  Jan Hubicka  <jh@suse.cz>
9338
9339         * tree-dfa.c (remove_referenced_var): New function.
9340         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9341         prune referenced vars list too.
9342         * tree-flow.h (remove_referenced_var): Declare.
9343
9344 2007-01-14  Jan Hubicka  <jh@suse.cz>
9345
9346         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9347         separately.
9348         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9349         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9350         * except.h (verify_eh_throw_table_statements): Kill prototype.
9351         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9352         into call exrepssions.
9353         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9354         eh trhow verifier.
9355         * tree-cfg.c: Include pointer-set.h.
9356         (verify_node_sharing): Work on pointer set.
9357         (verify_eh_throw_stmt_node): New.
9358         (verify_stmts): Use pointers sets, verify throw_stmt.
9359
9360 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9361
9362         * ipa-reference.c (analyze_function): Consider also addresses taken
9363         in phi nodes.
9364
9365 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9366
9367         * c-typeck.c (null_pointer_constant_p): Replace use of
9368         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9369         (build_c_cast): Likewise.
9370
9371 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9372
9373         * tree.h (force_fit_type_double): Remove unused final argument.
9374         * c-common.c (constant_expression_warning): Replace use of
9375         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9376         (convert_and_check): Likewise.
9377         (shorten_compare): Update call to force_fit_type_double.
9378         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9379         * convert.c (convert_to_pointer): Update call to
9380         force_fit_type_double.
9381         * fold-const.c (force_fit_type_double): Remove overflowed_const
9382         argument.
9383         (int_const_binop, fold_convert_const_int_from_int,
9384         fold_convert_const_int_from_real, fold_div_compare,
9385         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9386         fold_abs_const, fold_not_const): Remove the final argument from
9387         calls to force_fit_type_double.
9388
9389 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9390
9391         * configure.ac: Set insn to "nop" for spu-*-* also.
9392         * configure: Regenerate.
9393
9394 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9395
9396         * builtins.def : Add BUILT_IN_FREE.
9397
9398 2007-01-12  Jan Hubicka  <jh@suse.cz>
9399
9400         PR tree-optimization/30443
9401         * tree-inline.c (tree_function_versioning): Do not optimize when
9402         cloning for inlining.
9403
9404 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9405
9406         * doc/loop.texi: Document recording of loop exits.
9407         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9408         (update_single_exits_after_duplication,
9409         update_single_exit_for_duplicated_loop,
9410         update_single_exit_for_duplicated_loops): Removed.
9411         (duplicate_loop_to_header_edge): Do not call
9412         update_single_exits_after_duplication and
9413         update_single_exit_for_duplicated_loops.
9414         (loop_version): Do not update single_exit information.
9415         (fix_loop_structure): Use record_loop_exits instead of
9416         mark_single_exit_loops.
9417         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9418         the lists of loop exits.
9419         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9420         split_edge, merge_blocks): Update the lists of loop exits.
9421         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9422         loop_optimizer_init.
9423         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9424         of mark_single_exit_loops.
9425         (loop_optimizer_finalize): Call release_recorded_exits.
9426         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9427         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9428         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9429         update single exit information.
9430         * lambda-code.c (perfect_nestify): Ditto.
9431         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9432         (mark_single_exit_loops): Removed.
9433         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9434         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9435         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9436         functions.
9437         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9438         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9439         (verify_loop_structure): Verify consistency of the exit lists.
9440         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9441         (set_single_exit): Removed.
9442         * cfgloop.h (struct loop_exit): New function.
9443         (struct loop): single_exit_ field replaced by exits field.
9444         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9445         (struct loops): Added exits hash.
9446         (mark_single_exit_loops, set_single_exit): Declaration removed.
9447         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9448
9449 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9450
9451         * doc/invoke.texi: Avoid use of @headitem.
9452
9453 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9454
9455         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9456
9457 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9458
9459         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9460         list of targets.
9461
9462 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9463             Richard Sandiford  <richard@codesourcery.com>
9464
9465         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9466         * config/m68k/m68k.opt: Resort options.
9467         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9468
9469 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9470             Richard Sandiford  <richard@codesourcery.com>
9471
9472         * doc/invoke.texi: Document the macros that are defined by
9473         m68k's -mtune and -mhard-float options.
9474         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9475         (m68k_cpp_cpu_family): Likewise.
9476         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9477         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9478         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9479         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9480         (m68k_cpp_cpu_family): Likewise.
9481
9482 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9483
9484         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9485         macros besides mc68000 as tuning macros.  Use a switch statement
9486         to set them and mcpu32.
9487
9488 2007-01-12  Julian Brown  <julian@codesourcery.com>
9489
9490         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9491         (TARGET_68040_ONLY): Rename to...
9492         (TARGET_68040): ...this.
9493         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9494         * config/m68k/m68k.md: Likewise.
9495
9496 2007-01-12  Julian Brown  <julian@codesourcery.com>
9497             Nathan Sidwell  <nathan@codesourcery.com>
9498             Richard Sandiford  <richard@codesourcery.com>
9499
9500         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9501         the -mcpu= argument associated with the --with-cpu setting.
9502         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9503         if different from the one implied by the -mcpu setting.
9504         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9505         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9506         * doc/invoke.texi: Mention ColdFire in the introduction to the
9507         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9508         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9509         -mhard-float.  Document the previously-undocumented -m5206e,
9510         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9511         documentation for consistency.
9512         * doc/install.texi: Mention new --with-cpu arguments.
9513         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9514         default CPU if neither -mcpu nor -march are specified.
9515         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9516         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9517         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9518         using m68k_tune to decide between families that implement the
9519         same ISA.  Use m68k_tune to set __mcfv4e__.
9520         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9521         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9522         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9523         (FL_ISA_C, FL_ISA_MMU): New macros.
9524         (MASK_COLDFIRE): Delete.
9525         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9526         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9527         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9528         (TARGET_HARD_FLOAT): Do not define here.
9529         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9530         (TUNE_68000): New macro.
9531         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9532         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9533         (TUNE_CFV2): Redefine in terms of m68k_tune.
9534         (uarch_type, target_device, fpu_type): New enums.
9535         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9536         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9537         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9538         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9539         (FL_FOR_isa_c): New macros.
9540         (m68k_isa): New enum.
9541         (m68k_target_selection): New structure.
9542         (all_devices, all_isas, all_microarchs): New tables.
9543         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9544         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9545         (MASK_ALL_CPU_BITS): Delete.
9546         (m68k_find_selection): New function.
9547         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9548         Map the legacy target options to a combination of the new ones.
9549         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9550         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9551         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9552         settings.
9553         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9554         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9555         properties.
9556         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9557         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9558         * config/m68k/m68k-devices.def: New file.
9559
9560 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9561             Nathan Sidwell  <nathan@codesourcery.com>
9562
9563         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9564         (SUBTARGET_EXTRA_SPECS): New macros.
9565         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9566         use %(asm_cpu_spec) instead.
9567         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9568         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9569         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9570         (EXTRA_SPECS): Rename to...
9571         (SUBTARGET_EXTRA_SPECS): ...this.
9572
9573 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9574             Richard Sandiford  <richard@codesourcery.com>
9575             Julian Brown  <julian@codesourcery.com>
9576
9577         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9578         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9579         to the configuration's default CPU.
9580         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9581         Remove default masks.
9582         (m680[012]0-*-*): Set the default with_cpu to the first part of
9583         the target name.
9584         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9585         (m68k*-*-linux): Extend the --with-cpu handling to...
9586         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9587         and m68010.  Don't set target_cpu_default2.
9588         * doc/install.texi: Document --with-cpu for m68k.
9589         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9590         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9591         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9592         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9593         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9594         (ASM_SPEC): Remove use of %(asm_cpu_default).
9595         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9596         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9597         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9598         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9599         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9600         (TARGET_DEFAULT): Delete.
9601         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9602         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9603         (CPP_CPU_SPEC): Delete.
9604         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9605         the appropriate string.
9606         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9607         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9608         (ASM_SPEC): Don't use %(asm_default_spec).
9609         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9610         TARGET_DEFAULT and add MASK_68881.
9611         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9612
9613 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9614
9615         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9616         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9617         MASK_68010 alongside MASK_68020.
9618         * doc/invoke.texi: Document -m68010.
9619         * config/m68k/m68k.opt (m68010): New.
9620         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9621         if TUNE_68010.
9622         (TUNE_68010): New macro.
9623         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9624         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9625         (M68K_CPU_m68332): Add MASK_68010.
9626         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9627         fallback definition.
9628         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9629         defines.
9630         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9631         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9632         to all entries that use MASK_68020.
9633         (output_move_simode_const, output_move_himode, output_move_qimode)
9634         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9635         instead of TARGET_68020 to select clr behavior.  Remove comment
9636         about there being no TARGET_68010.
9637         * config/m68k/m68k.md: Likewise throughout.
9638
9639 2007-01-12  Julian Brown  <julian@codesourcery.com>
9640
9641         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9642         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9643         * config/m68k/m68k.md: Likewise.
9644
9645 2007-01-12  Julian Brown  <julian@codesourcery.com>
9646
9647         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9648         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9649
9650 2007-01-12  Julian Brown  <julian@codesourcery.com>
9651
9652         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9653         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9654         * config/m68k/m68k.md: Likewise.
9655
9656 2007-01-12  Julian Brown  <julian@codesourcery.com>
9657             Richard Sandiford  <richard@codesourcery.com>
9658
9659         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9660         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9661         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9662         TARGET_CPU32.
9663         (TARGET_CPU32): Rename to...
9664         (TUNE_CPU32): ...this.
9665         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9666         (TUNE_CFV2): New macros.
9667         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9668         remove conditions that are implied by TARGET_68020.
9669         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9670         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9671         (m68k_output_function_epilogue): Likewise.
9672         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9673         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9674         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9675         non-68000 timings.  Refactor multiplication and division costs.
9676         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9677         TUNE_CPU32 instead of TARGET_CPU32.
9678         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9679         and TUNE_68060 instead of TARGET_68060.
9680         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9681         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9682         TARGET_CPU32.
9683         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9684         && !TARGET_COLDFIRE" to choose between moveq and clr.
9685         Likewise in the unnamed movsf pattern.
9686         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9687         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9688         ashiftrt pattern.
9689
9690 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9691
9692         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9693         of tabbing before backslashes.
9694
9695 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9696
9697         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9698         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9699         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9700
9701 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9702
9703         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9704         find_interesting_uses_cond.
9705         (find_interesting_uses_cond): Use extract_cond_operands.
9706         (rewrite_use_compare): Use extract_cond_operands and
9707         force_gimple_operand_bsi.  Do not call update_stmt.
9708         (determine_use_iv_cost_condition): Use extract_cond_operands.
9709         Return cheaper of using original bound and changing the exit bound.
9710
9711 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9712
9713         PR tree-optimization/29516
9714         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9715         most_expensive_mult_to_index, addr_to_parts,
9716         create_mem_ref, maybe_fold_tmr): Make the type of
9717         fields of TARGET_MEM_REF sizetype.
9718         (move_fixed_address_to_symbol, move_pointer_to_base):
9719         New functions.
9720         * tree.def (TARGET_MEM_REF): Add comment on types of
9721         the operands.
9722
9723 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9724
9725         * c-common.c (vector_types_convertible_p): Treat opaque types as
9726         always convertible if they have the same size, but not otherwise.
9727
9728 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9729
9730         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9731         Remove the b_unconditional field.
9732         (noce_try_sign_mask): Do not look at b_unconditional.
9733         (noce_process_if_block): Do not use merge_if_blocks.  Update
9734         the CFG here.  Do not set b_unconditional.
9735         (cond_move_process_if_block): Likewise.
9736         (find_cond_trap): Likewise.
9737         (check_cond_move_block): Require simple jump insns at the end
9738         of the basic block.
9739
9740 2007-01-11  Jan Hubicka  <jh@suse.cz>
9741
9742         PR tree-optimization/1046
9743         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9744         when alias info is not ready.
9745         (pass_tail_recursion): Do not require aliasing.
9746         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9747         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9748         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9749         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9750         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9751         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9752         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9753         before inlining.
9754         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9755         When aliasing is not build, mark statement as volatile.
9756
9757 2007-01-11  Tom Tromey  <tromey@redhat.com>
9758
9759         PR preprocessor/15185, PR preprocessor/20989:
9760         * doc/cppopts.texi <-MT>: Update description of algorithm for
9761         computing default target.
9762         <-M, -MD>: Reword "basename" text.
9763
9764 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9765
9766         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9767         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9768         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9769         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9770         fold_builtin_bswap, real_constp, fold_builtin_pow,
9771         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9772         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9773         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9774         * convert.c (convert_to_pointer): Likewise.
9775         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9776         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9777         const_binop, fold_convert_const_int_from_int,
9778         fold_convert_const_int_from_real,
9779         fold_convert_const_real_from_real, sign_bit_p,
9780         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9781         fold_sign_changed_comparison, fold_unary, fold_comparison,
9782         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9783         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9784         * print-tree.c (print_node_brief, print_node): Likewise.
9785         * stor-layout.c (place_field, layout_type): Likewise.
9786         * tree-chrec.c (keep_cast): Likewise.
9787         * tree.c (build_vector, build_real, build_real_from_int_cst,
9788         build_complex): Likewise.
9789
9790 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9791
9792         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9793         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9794
9795 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9796
9797         * configure.ac (strict1_warn): Rename to strict_warn.
9798         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9799         cc_set_by_configure, quoted_cc_set_by_configure,
9800         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9801         all_boot_languages, all_stagestuff): Remove.
9802         (target_list): Remove bootstrap targets.
9803         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9804         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9805         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9806         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9807         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9808         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9809         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9810         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9811         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9812         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9813         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9814         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9815         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9816         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9817         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9818         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9819         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9820         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9821         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9822         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9823         (mostlyclean): Adjust.
9824         (clean, distclean): Don't mention bootstrap stuff.
9825         * configure: Regenerate.
9826         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9827         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9828         treelang/config-lang.in (stagestuff): Remove.
9829         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9830         stageprofile, stagefeedback, stagestuff): Remove mention.
9831
9832 2007-01-11  Nick Clifton  <nickc@redhat.com>
9833
9834         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9835         Accept CONSTs.
9836         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9837         (mcore_arith_K_S_operand): Run the test for the S constraint not
9838         the test for the M constraint.
9839         (mcore_addsub_operand): Do not accept integer values that are
9840         larger than 32 bits.
9841         * config/mcore/mcore.md: Remove unused constraints from split.
9842         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9843         (addsi3): Likewise.
9844         (allocate_stack): Likewise.
9845         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9846         operands to 32 bits.
9847         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9848         INTVAL.
9849         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9850         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9851         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9852         mcore_output_bclri, mcore_output_andn, output_inline_const,
9853         mcore_output_move, mcore_output_movedouble): Likewise.
9854         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9855         (output_inline_const): Likewise.
9856         (output_inline_const): Fix format strings used in sprintf
9857         statements.
9858         * config/mcore/mcore-protos.h: Update prototypes for changed
9859         functions in mcore.c.
9860         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9861         HOST_WIDE_INT and not int.
9862         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9863         CONST_OK_FOR_N): Likewise.
9864         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9865         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9866         an INTVAL.
9867
9868 2007-01-10  Jan Hubicka  <jh@suse.cz>
9869
9870         * tree-vrp.c (remove_range_assertions): Release defs.
9871         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9872         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9873
9874 2007-01-10  Paul Brook  <paul@codesourcery.com>
9875
9876         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9877         * config/arm/arm.md (mulsi3subsi): New insn.
9878
9879 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9880
9881         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9882         (tree_transform_and_unroll_loop): New.
9883         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9884         Declare.
9885
9886 2007-01-10  Robert Kennedy <jimbob@google.com>
9887
9888         * fold-const.c (fold_comparison): Fold comparisons like (x *
9889         1000 < 0) to (x < 0).
9890
9891 2007-01-10  Ian Lance Taylor  <iant@google.com>
9892
9893         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9894         operands have the same priority.
9895
9896 2007-01-10  Tom Tromey  <tromey@redhat.com>
9897
9898         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9899         (fold_binary): Likewise.
9900         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9901         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9902         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9903         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9904         * langhooks.h (struct lang_hooks): Removed field
9905         'can_use_bit_fields_p'.
9906
9907 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9908
9909         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9910
9911 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9912
9913         * function.c (get_last_funcdef_no): New function.
9914         * function.h (get_last_funcdef_no): Declare.
9915         * tree-inline.c (initialize_cfun): Add initialization.
9916         (tree_function_versioning): Cleanup.
9917
9918 2007-01-10  Jan Hubicka  <jh@suse.cz>
9919
9920         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9921         PHIs.
9922
9923 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9924             Ben Elliston  <bje@au.ibm.com>
9925
9926         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9927         for SAVE_NONLOCAL and Pmode for any other save level.
9928         * spu-protos.h (spu_restore_stack_block): Declare.
9929         * spu.md (save_stack_block): Remove.
9930         (restore_stack_block): Call spu_restore_stack_block.
9931         * spu.c (spu_restore_stack_block): New function.
9932         (spu_expand_epilogue): Remove old comment.
9933
9934 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9935
9936         PR tree-optimization/30322
9937         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9938         (cand_value_at): Return the value as aff_tree.
9939         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9940         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9941         aff_combination_mult): New functions.
9942         (aff_combination_add): Use aff_combination_add_cst.
9943         (aff_combination_convert): Allow conversions to a wider type.
9944         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9945         * tree-affine.h (aff_combination_mult): Declare.
9946
9947 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9948
9949         * doc/tm.texi: Update documentation to reflect reality of exec
9950         and start file search behaviours. Update copyright year.
9951         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9952         header file directories.
9953
9954 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9955
9956         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9957         (*cosxf2): Rename to cosxf2_i387.
9958         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9959         using X87MODEF12 mode macro. Rename patterns to
9960         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9961         for SSE math.
9962         (*cosdf2, *cossf2): Ditto.
9963         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9964         to match extended input operands.
9965         (sincos<mode>3): New expander.
9966         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9967         insn patterns and corresponding splitters.
9968
9969 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9970
9971         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9972         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9973
9974 2007-01-09  Nicolas Pitre  <nico@cam.org>
9975
9976         PR target/30173
9977         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9978
9979 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9980
9981         * target.h (struct gcc_target): New field library_rtti_comdat.
9982         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9983         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9984         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9985         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9986
9987 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9988
9989         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9990
9991 2007-01-08  Richard Guenther  <rguenther@suse.de>
9992
9993         * tree.h (force_fit_type_double): Export.
9994         (force_fit_type): Remove.
9995         * fold-const.c (force_fit_type_double): New function.
9996         (force_fit_type): Remove.
9997         (int_const_binop): Use it.
9998         (fold_convert_const_int_from_int): Likewise.
9999         (fold_convert_const_int_from_real): Likewise.
10000         (fold_div_compare): Likewise.
10001         (fold_sign_changed_comparison): Likewise.
10002         (fold_unary): Likewise.
10003         (fold_negate_const): Likewise.
10004         (fold_abs_const): Likewise.
10005         (fold_not_const): Likewise.
10006         * c-common.c (shorten_compare): Use force_fit_type_double.
10007         * convert.c (convert_to_pointer): Likewise.
10008
10009 2007-01-08  Richard Guenther  <rguenther@suse.de>
10010
10011         * tree.h (build_int_cst_wide_type): Export.
10012         * tree.c (build_int_cst_wide_type): New function.
10013         (build_int_cst_wide): Fix comment.
10014         * builtins.c (fold_builtin_object_size): Use build_int_cst
10015         to build -1 or 0 of the correct type.  Use fit_double_type
10016         to check for overflow.
10017         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10018         to build the mask.
10019         (decode_field_reference): Likewise.
10020         (all_ones_mask_p): Likewise.
10021         (native_interpret_int): Use build_int_cst_wide_type.
10022         (fold_binary): Use build_int_cst_type to build an all-ones
10023         value.
10024         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10025
10026 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10027
10028         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10029
10030 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10031
10032         * genautomata.c (STATS_OPTION): New option.
10033         (stats_flag): New flag.
10034         (gen_automata_option): Handle it.
10035         (initiate_automaton_gen): Ditto.
10036         (write_automata): Output statistics only if stats_flag is
10037         set. Likewise, output time statistics only if time_flag is set.
10038         * doc/md.texi (Processor pipeline description): Document new flag.
10039
10040 2007-01-08  Richard Guenther  <rguenther@suse.de>
10041
10042         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10043         * tree.c (build_int_cst_type): Likewise.
10044         (size_in_bytes): Don't call force_fit_type on the result.
10045         (int_fits_type_p): Use fit_double_type.
10046         * fold-const.c (fit_double_type): New function.
10047         (force_fit_type): Use it.
10048         * tree.h (fit_double_type): Export.
10049
10050 2007-01-08  Jan Hubicka  <jh@suse.cz>
10051
10052         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10053         * ipa.c (function_and_variable_visibility): Fix return type.
10054
10055 2007-01-08  Richard Guenther  <rguenther@suse.de>
10056
10057         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10058         of offset to build the index.
10059         * tree-pretty-print.c (dump_generic_node): Don't build negated
10060         const just for printing.
10061         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10062         * builtins.c (fold_builtin_int_roundingfn): Check if result
10063         fits the type by using force_fit_type and comparing the result.
10064         * predict.c (predict_loops): Use compare_tree_int for comparison.
10065         * tree.c (build_int_cst): Fall back to integer_type_node for
10066         NULL_TREE type.
10067         (build_int_cst_wide): Assert type is non-null.
10068
10069 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10070
10071         * tree-vrp.c (extract_range_from_cond_expr): New.
10072         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10073         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10074         as expressions.
10075         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10076         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10077         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10078         used as expressions.
10079         * tree-object-size.c (cond_expr_object_size): New.
10080         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10081
10082 2007-01-08  Jan Hubicka  <jh@suse.cz>
10083
10084         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10085         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10086         statement.
10087
10088 2007-01-08  Richard Guenther  <rguenther@suse.de>
10089
10090         PR tree-optimization/23603
10091         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10092         (extract_range_from_binary): Fall back to truthvalue instead of
10093         varying for TRUTH_*_EXPR.
10094         (extract_range_from_comparison): Fall back to truthvalue instead of
10095         varying.
10096         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10097         if all visited PHI values were constant.
10098
10099 2007-01-08  Jan Hubicka  <jh@suse.cz>
10100
10101         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10102         (cgraph_analyze_function): break out from ...
10103         (cgraph_finalize_compilation_unit): ... here.
10104         (cgraph_expand_function): Remove forgoten commented out line.
10105         (cgraph_optimize): Analyze functions.
10106
10107 2007-01-08  Jan Hubicka  <jh@suse.cz>
10108
10109         * tree-pas.h (TODO_remove_function): New flag.
10110         (TODO_update*): Renumber.
10111         (pass_ipa_increase_alignment,
10112         pass_ipa_function_and_variable_visibility): New passes.
10113         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10114         (cgraph_function_and_variable_visibility): Move to ipa.c
10115         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10116         cgraph_increase_alignment.
10117         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10118         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10119         calling tree-inline.
10120         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10121         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10122         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10123         (gate_increase_alignment): New function.
10124         (pass_ipa_increase_alignment): New pass.
10125         * ipa.c: Inline tree-pass.h and timevar.h
10126         (function_and_variable_visibility): Move here from cgraphunit.c
10127         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10128         * passes.c (init_optimization_passes): Add the two new passes.
10129         (execute_todo): Handle cgraph_remove_functions.
10130
10131 2007-01-08  Nick Clifton  <nickc@redhat.com>
10132
10133         * config/frv/predicates.md (reg_or_0_operand): Accept
10134         CONST_DOUBLEs.
10135
10136 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10137
10138         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10139         * config.gcc: Add bfin*-rtems*.
10140
10141 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10142
10143         * c.opt: Add -flax-vector-conversions.
10144         * c-typeck.c (convert_for_assignment): Pass flag to
10145         vector_types_convertible_p to allow emission of note.
10146         (digest_init): Likewise.
10147         * c-opts.c: Handle -flax-vector-conversions.
10148         * c-common.c (flag_lax_vector_conversions): New.
10149         (vector_types_convertible_p): Unless -flax-vector conversions
10150         has been passed, disallow conversions between vectors with
10151         differing numbers of subparts and/or element types.  If such
10152         a conversion is disallowed, possibly emit a note on the first
10153         occasion only to inform the user of -flax-vector-conversions.
10154         The new last argument specifies this.
10155         * c-common.h (flag_lax_vector_conversions): New.
10156         (vector_types_convertible_p): Add extra argument.
10157         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10158         char_type_node for V*QI type vectors.
10159         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10160         Update to satisfy new typechecking rules.
10161         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10162         C and C++ variants.
10163         * doc/invoke.texi (C Dialect Options): Document
10164         -flax-vector-conversions.
10165
10166 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10167
10168         PR tree-optimization/29877
10169         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10170         a register variable on the RHS to not be replaceable.
10171
10172 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10173         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10174         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10175         const_simm15, const_pow2, const_npow2): Added.
10176         * config/score/misc.md (insv, extv, extzv, movmemsi,
10177         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10178         * config/score/score.c (score_address_cost, score_select_cc_mode):
10179         Added.
10180         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10181         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10182         Update score_print_operand.
10183         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10184         Adjust register allocate order and update some macro define.
10185         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10186         mdx_block_move_straight, mdx_block_move_loop_head,
10187         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10188         mdx_block_move): Added.
10189         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10190         mdp_limm): Updated and fix some bug and typo.
10191         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10192         (movsf, movdf, doloop_end): Added.
10193
10194 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10195
10196         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10197         config/arm/thumb2.md: Fix comment typos.
10198         * doc/extend.texi: Fix a typo.
10199
10200 2007-01-07  Eric Christopher  <echristo@apple.com>
10201
10202         * configure.ac: Check for __stack_chk_fail for darwin.
10203         * configure: Regenerate.
10204
10205 2007-01-07  Richard Guenther  <rguenther@suse.de>
10206
10207         * tree-vrp.c (extract_range_from_assert): CSE calls to
10208         compare_values where possible.
10209         (extract_range_from_unary_expr): Likewise.
10210
10211 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10212
10213         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10214         * config/avr/avr.c (call_insn_operand): Delete function.
10215         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10216         instead of register number. Use predicates.
10217         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10218         call_insn_operand): Add.
10219
10220 2007-01-06  Jan Hubicka  <jh@suse.cz>
10221
10222         * tree-pass.h (pass_build_cgraph_edges): Declare.
10223         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10224         (visited_nodes): Remove.
10225         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10226         build_cgrpah_edges; make visited_nodes local.
10227         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10228         (record_references_in_initializer): Move to cgraphbuild.c
10229         (initialize_inline_failed, rebuild_cgraph_edges,
10230         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10231         (verify_cgraph_node): Make visited_nodes local.
10232         (cgraph_analyze_function): Do not call cgraph_create_edges and
10233         initialize_inline_failed.
10234         (cgraph_expand_function): Do not call cgraph_lower_function;
10235         assert that function is already lowered.
10236         * Makefile.in (cgraphbuild.o): New.
10237         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10238         at the end of lowering passes.
10239
10240 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10241
10242         * ifcvt.c (cond_move_convert_if_block): New function, code
10243         factored out from...
10244         (cond_move_process_if_block): ...here.  Call the new function
10245         on the THEN and ELSE blocks.
10246         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10247         already takes care of this.
10248
10249 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10250
10251         PR c/19978
10252         * tree.h (TREE_OVERFLOW_P): New.
10253         * c-typeck.c (parser_build_unary_op): Warn only if result
10254         overflowed and operands did not.
10255         (parser_build_binary_op): Likewise.
10256         (convert_for_assignment): Remove redundant overflow_warning.
10257         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10258
10259 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10260
10261         * c-typeck.c (store_init_value): Split over two lines to follow
10262         the GNU coding style.
10263
10264 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10265
10266         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10267         __GXX_EXPERIMENTAL_CXX0X__.
10268         * doc/cpp.texi: Same.
10269
10270 2007-01-05  Richard Guenther  <rguenther@suse.de>
10271
10272         PR middle-end/27826
10273         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10274         with mismatched types.  Instead explicitly build a
10275         conversion NOP_EXPR.
10276
10277 2007-01-05  Ian Lance Taylor  <iant@google.com>
10278
10279         * c-common.c (decl_with_nonnull_addr_p): New function.
10280         (c_common_truthvalue_conversion): Call it.
10281         * c-typeck.c (build_binary_op): Likewise.
10282         * c-common.h (decl_with_nonnull_addr_p): Declare.
10283
10284 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10285
10286         PR c/30360
10287         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10288         denom against 0.0.
10289
10290 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10291
10292         * doc/install.texi (Final install): Document the fact that
10293         the GNAT runtime should not be stripped.
10294
10295 2007-01-04  Jan Hubicka  <jh@suse.cz>
10296
10297         * tree-inline.c (fold_marked_statements): Update operand caches
10298         and EH after folding
10299
10300 2007-01-04  Ian Lance Taylor  <iant@google.com>
10301
10302         * c-common.c (check_function_nonnull): Whitespace fix.
10303
10304 2007-01-04  Jan Hubicka  <jh@suse.cz>
10305
10306         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10307         comitted older version of patch.
10308         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10309         function, celanup cfg and collect garbage.
10310
10311 2007-01-04  Mike Stump  <mrs@apple.com>
10312
10313         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10314         (clean): Likewise.
10315
10316 2007-01-04  Eric Christopher  <echristo@apple.com>
10317
10318         * libgcc2.c (__bswapsi2): Use SItype.
10319         (__bswapdi2): Use DItype.
10320         * libgcc2.h: Update for above.
10321
10322 2007-01-04  Paul Brook  <paul@codesourcery.com>
10323
10324         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10325         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10326         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10327         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10328         umulsi3_highpart): Make conditional on !arm_arch6.
10329         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10330         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10331         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10332         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10333         umulsi3_highpart_v6): New insns.
10334
10335 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10336
10337         * fold-const.c (fold_convert): When casting an expression to void,
10338         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10339         have a type.  Instead of attempting to build a NOP_EXPR, return
10340         these "special" trees directly.
10341
10342 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10343
10344         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10345         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10346         rs6000_cost->fp not 0 as adjustment for outer NEG.
10347
10348 2007-01-04  Jan Hubicka  <jh@suse.cz>
10349
10350         * cgraph.c (cgraph_release_function_body): New function.
10351         (cgraph_remove_node): Use it.
10352         * cgraph.h (cgraph_release_function_body): Declare.
10353         * cgraphunit.c (cgraph_expand_function): Use it.
10354         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10355         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10356         is initialized and while compilation of other function is running.
10357         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10358         statement CFG annotations from here to ...
10359         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10360
10361 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10362
10363         * cfgloop.h (enum li_flags): Make the constants powers of two.
10364
10365 2007-01-04  Jan Hubicka  <jh@suse.cz>
10366
10367         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10368         set.
10369         (fold_marked_statements): New function.
10370         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10371         * tree-inline.h (copy_body_data): Add statements_to_fold.
10372
10373 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10374
10375         * config.gcc: Mention libgcc/config.host.
10376         * Makefile.in: Update comments mentioning libgcc.
10377         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10378         (all.cross, start.encap, rest.encap, rest.cross): Update
10379         dependencies for libgcc move.
10380         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10381         (clean-target, clean-target-libgcc): Delete.
10382         (srcdirify, GCC_EXTRA_PARTS): New macros.
10383         (libgcc-support, libgcc.mvars): New rules.
10384         (distclean): Remove mention of mklibgcc.
10385         (install): Don't reference INSTALL_LIBGCC.
10386         (install-common): Don't reference EXTRA_PARTS.
10387         (install-libgcc, install-multilib): Delete rules.
10388         * mklibgcc.in: Delete file.
10389         * doc/configfiles.texi: Don't mention mklibgcc.
10390
10391         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10392         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10393         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10394         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10395         (mklibgcc, ldblspecs): Likewise.
10396
10397         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10398         (posixpre.def): Use $(T).
10399         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10400         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10401         (SHLIB_LINK): Make dummy.
10402         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10403
10404         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10405
10406         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10407         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10408         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10409         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10410
10411         * configure.ac (all_outputs): Remove mklibgcc.
10412         * configure: Regenerated.
10413
10414 2007-01-03  Josh Conner  <jconner@apple.com>
10415
10416         PR middle-end/29683
10417         * calls.c (compute_argument_addresses): Set stack and stack_slot
10418         for partial args, too.
10419         (store_one_arg): Use locate.size.constant for the size when
10420         generating a save_area.
10421
10422 2007-01-03  Robert Kennedy <jimbob@google.com>
10423
10424         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10425         whose definitions are deleted due to basic block merging.
10426
10427 2007-01-03  Paul Brook  <paul@codesourcery.com>
10428
10429         PR target/16634
10430         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10431         functions.
10432         (use_return_insn): Return 0 for Thumb interrupt functions.
10433         (print_multi_reg): Add rfe argument for IRQ returns.
10434         (arm_output_epilogue): Pop interrupt return address directly into PC.
10435         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10436
10437 2007-01-03  Paul Brook  <paul@codesourcery.com>
10438
10439         Merge from sourcerygxx-4_1.
10440         * config/arm/thumb2.md: New file.
10441         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10442         Thumb-2.
10443         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10444         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10445         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10446         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10447         tables.
10448         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10449         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10450         comptibility.
10451         * config/arm/ieee754-sf.S: Ditto.
10452         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10453         (thumb1_base_register_rtx_p): ... to this.
10454         (thumb_index_register_rtx_p): Rename...
10455         (thumb1_index_register_rtx_p): ... to this.
10456         (thumb_output_function_prologue): Rename...
10457         (thumb1_output_function_prologue): ... to this.
10458         (thumb_legitimate_address_p): Rename...
10459         (thumb1_legitimate_address_p): ... to this.
10460         (thumb_rtx_costs): Rename...
10461         (thumb1_rtx_costs): ... to this.
10462         (thumb_compute_save_reg_mask): Rename...
10463         (thumb1_compute_save_reg_mask): ... to this.
10464         (thumb_final_prescan_insn): Rename...
10465         (thumb1_final_prescan_insn): ... to this.
10466         (thumb_expand_epilogue): Rename...
10467         (thumb1_expand_epilogue): ... to this.
10468         (arm_unwind_emit_stm): Rename...
10469         (arm_unwind_emit_sequence): ... to this.
10470         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10471         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10472         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10473         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10474         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10475         thumb2_output_casesi): New functions.
10476         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10477         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10478         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10479         THUMB2_WORK_REGS): Define.
10480         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10481         arm_condexec_mask, arm_condexec_masklen)): New variables.
10482         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10483         (arm_override_options): Check new CPU capabilities.
10484         Set new architecture flag variables.
10485         (arm_isr_value): Handle v7m interrupt functions.
10486         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10487         Thumb-2.
10488         (const_ok_for_arm): Handle Thumb-2 constants.
10489         (arm_gen_constant): Ditto.  Use movw when available.
10490         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10491         functions.
10492         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10493         (thumb_find_work_register, arm_load_pic_register,
10494         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10495         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10496         print_multi_reg, output_mov_long_double_fpa_from_arm,
10497         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10498         output_mov_double_fpa_from_arm, output_move_double,
10499         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10500         output_return_instruction, arm_output_function_prologue,
10501         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10502         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10503         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10504         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10505         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10506         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10507         '!' and 'L'.
10508         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10509         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10510         (arm_file_start): Output directive for unified syntax.
10511         (arm_unwind_emit_set): Handle stack alignment instruction.
10512         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10513         Add v6t2, v7, v7a, v7r and v7m.
10514         (RETLDM): Add Thumb-2 code.
10515         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10516         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10517         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10518         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10519         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10520         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10521         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10522         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10523         ADJUST_INSN_LENGTH): Define.
10524         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10525         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10526         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10527         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10528         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10529         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10530         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10531         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10532         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10533         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10534         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10535         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10536         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10537         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10538         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10539         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10540         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10541         cortex-m3.
10542         * config/arm/arm-tune.md: Regenerate.
10543         * config/arm/arm-protos.h: Update prototypes.
10544         * config/arm/vfp.md: Enable patterns for Thumb-2.
10545         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10546         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10547         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10548         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10549         * config/arm/libunwind.S: Add Thumb-2 code.
10550         * config/arm/constraints.md: Update include Thumb-2.
10551         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10552         * config/arm/ieee754-df.S: Ditto.
10553         * config/arm/bpabi.S: Ditto.
10554         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10555         * config/arm/predicates.md (low_register_operand,
10556         low_reg_or_int_operand, thumb_16bit_operator): New.
10557         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10558         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10559         * config/arm/t-arm-elf: Add armv7 multilib.
10560         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10561         Include thumb2.md.
10562         (UNSPEC_STACK_ALIGN, ce_count): New.
10563         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10564         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10565         insns/expanders.
10566         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10567         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10568         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10569         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10570         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10571         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10572         insns.
10573         * doc/extend.texi: Document ARMv7-M interrupt functions.
10574         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10575
10576 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10577
10578         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10579         (struct _Unwind_Context): Rename args_size to flags, remove
10580         signal_frame field, add a new args_size field and version field.
10581         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10582         _Unwind_IsExtendedContext): New inline functions.
10583         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10584         Assume by_value array is only present if _Unwind_IsExtendedContext.
10585         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10586         _Unwind_IsSignalFrame.
10587         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10588         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10589         (uw_init_context_1): Initialize context->flags to
10590         EXTENDED_CONTEXT_BIT.
10591         * config/rs6000/linux-unwind.h (frob_update_context): Use
10592         _Unwind_SetSignalFrame.
10593
10594 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10595
10596         PR middle-end/30353
10597         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10598         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10599         the value.
10600
10601 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10602
10603         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10604         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10605         RET, AT_SP): Remove.
10606         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10607         instead of RET.
10608
10609         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10610         * cfgbuild.c (find_basic_blocks): Likewise.
10611         * cfgrtl.c (rtl_create_basic_block): Likewise.
10612         * function.c (temp_slots_at_level): Likewise.
10613         * reg-stack.c (stack_regs_mentioned): Likewise.
10614         * regclass.c (allocate_reg_info): Likewise.
10615         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10616         set_bb_for_stmt, move_block_to_fn): Likewise.
10617         * tree-complex.c (tree_lower_complex): Likewise.
10618         * vec.h (VEC_safe_grow_cleared): New.
10619
10620         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10621
10622 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10623
10624         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10625         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10626         to loop_version.
10627         * cfgloopmanip.c (scale_loop_frequencies): Export.
10628         (loopify): Scale the frequencies by prescribed coefficients.
10629         (set_zero_probability): New function.
10630         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10631         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10632         and frequencies according to arguments.
10633         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10634         correctly.
10635         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10636         * modulo-sched.c (sms_schedule): Set probabilities for entering
10637         versioned loop correctly.
10638         * tree-vect-transform.c (vect_transform_loop): Ditto.
10639         * cfgloop.h (loopify, loop_version): Declaration changed.
10640         (scale_loop_frequencies): Declared.
10641
10642 2007-01-02  Jan Hubicka  <jh@suse.cz>
10643
10644         * cgraph.c: Include tree-flow.h
10645         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10646         early_local_passes.
10647         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10648         * tree-pass.h (pass_all_early_optimizations): Declare.
10649         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10650         early_local_passes.
10651         (cgraph_analyze_function): Do early_local_passes.
10652         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10653         Do not add referenced vars.
10654         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10655         SSA form.
10656         (gate_all_early_local_passes): New gate.
10657         (pass_early_local_passes): Use new gate.
10658         (execute_early_local_optimizations): New functions.
10659         (gate_all_early_optimizations): New gate.
10660         (pass_all_early_optimizations): New pass.
10661         (execute_free_datastructures): Free SSA only when initialized.
10662         (gate_init_datastructures): Init only when optimizing.
10663         (tree_lowering_passes): Do early local passes when called late.
10664         * tree-profile.c (do_tree_profiling): Don't profile functions added
10665         late.
10666         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10667         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10668         not active.
10669         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10670         during early_local_passes.
10671         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10672
10673
10674 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10675
10676         * Makefile.in: Update copyright year.
10677
10678 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10679
10680         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10681         in $(lang_checks) and check-consistency targets.
10682
10683 2007-01-02  Jan Hubicka  <jh@suse.cz>
10684
10685         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10686         Do not add referenced vars.
10687         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10688         are not active.
10689         * passes.c (init_optimization_passes): Put mudflap_2 after
10690         free_datastructures.
10691
10692 2007-01-02  Jan Hubicka  <jh@suse.cz>
10693
10694         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10695         Set NOTHROW flag on call statements proved to be nothrow.
10696         Update statement of local calls so new pure/const functions are
10697         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10698         goto receivers.
10699         (tree_rest_of_compilation): Register hooks and initialize bitmap
10700         early. Do not set after_inlining flag.
10701
10702 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10703
10704         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10705         HOST_BITS_PER_LONGLONG
10706
10707 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10708
10709         PR c/19977
10710         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10711         warning for non-static initializers.
10712
10713 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10714
10715         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10716         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10717         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10718         Always use set_unique_reg_note to add REG_EQUAL notes.
10719
10720 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10721
10722         Revert:
10723         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10724
10725         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10726         * cfgbuild.c (find_basic_blocks): Likewise.
10727         * cfgrtl.c (rtl_create_basic_block): Likewise.
10728         * function.c (temp_slots_at_level): Likewise.
10729         * reg-stack.c (stack_regs_mentioned): Likewise.
10730         * regclass.c (allocate_reg_info): Likewise.
10731         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10732         set_bb_for_stmt, move_block_to_fn): Likewise.
10733         * tree-complex.c (tree_lower_complex): Likewise.
10734         * vec.h (VEC_safe_grow_cleared): New.
10735
10736 2007-01-02  Ian Lance Taylor  <iant@google.com>
10737
10738         * c-common.c (c_common_truthvalue_conversion): When warning about
10739         using an assignment as a truth value, set TREE_NO_WARNING.
10740
10741 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10742
10743         PR middle-end/7651
10744         * c.opt (Wold-style-declaration): New.
10745         * doc/invoke.texi (C-only Warning Options): New.
10746         (Wold-style-declaration): Document it.
10747         (Wextra): Enabled by -Wextra.
10748         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10749         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10750         -Wold-style-declaration.
10751
10752 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10753
10754         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10755         * cfgbuild.c (find_basic_blocks): Likewise.
10756         * cfgrtl.c (rtl_create_basic_block): Likewise.
10757         * function.c (temp_slots_at_level): Likewise.
10758         * reg-stack.c (stack_regs_mentioned): Likewise.
10759         * regclass.c (allocate_reg_info): Likewise.
10760         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10761         set_bb_for_stmt, move_block_to_fn): Likewise.
10762         * tree-complex.c (tree_lower_complex): Likewise.
10763         * vec.h (VEC_safe_grow_cleared): New.
10764
10765 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10766
10767         * c-common.c (c_common_nodes_and_builtins): Since variants of
10768         void_type_node get built before it is given a name, we need to
10769         give those variants the name, too.
10770         (complete_array_type): We need to work with the canonical main
10771         type of the array, from which we will build the qualified version.
10772         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10773         * print-tree.c (print_node): Display canonical type information
10774         for each type.
10775         * stor-layout.c (layout_type): When we don't know the
10776         alignment of a type for which we're building an array, we end up
10777         guessing wrong, so make the type require structural equality.
10778         * tree.c (make_node_stat): When we build a new type, it is its
10779         own canonical type.
10780         (build_type_attribute_qual_variant): When building an attribute
10781         variant, its canonical type is the non-attribute variant. However,
10782         if the attributes are target-dependent and they differ, we need to
10783         use structural equality checks for this type.
10784         (build_qualified_type): A qualified type is not equivalent to its
10785         unqualified variant; set the canonical type appropriately.
10786         (build_distinct_type_copy): When building a distinct type from
10787         another type, the new type is its own canonical type.
10788         (build_variant_type_copy): When building a new type variant, we
10789         assume that it is equivalent to the original type.
10790         (build_pointer_type_for_mode): When building a pointer type, also
10791         build a canonical type pointer.
10792         (build_reference_type_for_mode): When building a reference type,
10793         also build a canonical type reference.
10794         (build_index_type): When we can't hash an index type (e.g.,
10795         because its maximum value is negative), the index type requires
10796         structural equality tests.
10797         (build_array_type): Build the canonical form of an array type.
10798         (build_function_type): Function types require structural equality,
10799         because they contain default arguments, attributes, etc.
10800         (build_method_type_directly): Ditto for method types.
10801         (build_offset_type): Build the canonical offset type.
10802         (build_complex_type): Build the canonical vector type.
10803         (make_vector_type): Build the canonical vector type.
10804         * tree.h (TYPE_CANONICAL): New.
10805         (TYPE_STRUCTURAL_EQUALITY_P): New.
10806         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10807         (struct tree_type): Added "canonical" field.
10808         * params.h (VERIFY_CANONICAL_TYPES): New.
10809         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10810         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10811         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10812         * doc/invoke.texi (verify-canonical-types): Document --param
10813         parameter for verifying canonical types.
10814
10815 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10816
10817         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10818         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10819         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10820         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10821         tm_file.
10822         * config/rs6000/e500.h: New.
10823         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10824         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10825         Remove.
10826         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10827         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10828         TARGET_E500_DOUBLE): Remove.
10829         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10830         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10831         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10832         * config/rs6000/rs6000.c (rs6000_override_options): Use
10833         CHECK_E500_OPTIONS.
10834
10835 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10836
10837         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10838         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10839         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10840         rs6000_emit_cmove): Don't check TARGET_E500.
10841         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10842         sordered): Don't check TARGET_E500.
10843
10844 2007-01-01  Eric Christopher  <echristo@apple.com>
10845
10846         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10847         HARD_REGISTER_NUM_P.
10848
10849 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10850
10851         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10852         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10853         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10854         eq/ne Y".
10855
10856 2007-01-01  Mike Stump  <mrs@apple.com>
10857
10858         * configure.ac: Remove support for building with Apple's gcc-3.1.
10859
10860 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10861
10862         PR middle-end/30311
10863         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10864         REG is a hard register.  Do not modify REG before calling
10865         subreg_nregs.
10866         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10867         multiple of the size of YMODE for certain lowpart cases.
10868
10869 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10870
10871         PR middle-end/30253
10872         * gimplify (voidify_wrapper_expr): Update for
10873         GIMPLE_MODIFY_STMT.
10874
10875 2007-01-01  Andreas Schwab  <schwab@suse.de>
10876
10877         PR target/29166
10878         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10879         save of BR0 in extra_spill_size instead of spill_size.
10880         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10881         area.
10882         (ia64_expand_epilogue): Restore BR0 from its new location.
10883
10884 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10885
10886         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10887         Use a temporary variable if the left hand side is not a gimple
10888         register.
10889
10890 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10891
10892         * gimplify.c (gimplify_return_expr): Make the temporary variable
10893         for the return expression, a gimple register variable.
10894
10895 2007-01-01  Jan Hubicka  <jh@suse.cz>
10896
10897         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10898         INSN_LIST.
10899
10900 2007-01-01  Mike Stump  <mrs@apple.com>
10901
10902         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10903         .literal16.
10904         * config/darwin.c (machopic_select_rtx_section): Use
10905         HAVE_GAS_LITERAL16.
10906         (darwin_mergeable_constant_section): Likewise.
10907         * configure: Regenerate.
10908         * config.in: Regenerate.
10909
10910 2007-01-01  Jan Hubicka  <jh@suse.cz>
10911             Andrew Pinski  <pinskia@gmail.com>
10912
10913         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10914         before starting IPA passes.