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1 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
2
3         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4         (output_call, m68k_legitimize_call_address): Declare.
5         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
6         parenthesees.  Add support for a 'W' constraint.
7         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
11         variables.
12         (override_options): Initialize them.  Do not set flag_no_function_cse
13         for TARGET_ID_SHARED_LIBRARY.
14         (m68k_output_pic_call): Delete.
15         (m68k_legitimize_call_address): New function.
16         (print_operand): Remove the %o prefix.  Handle the %p prefix.
17         (output_call): New function.
18         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
19         target address from the GOT if symbolic jumps are not allowed.
20         * config/m68k/m68k.md (call, general_operand): Do not set
21         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
22         Merge separate flag_pic and !flag_pic define_insns into...
23         (*call, *call_value): ...these new patterns.  Match the address
24         rather than the containing MEM and require it to be a call_operand.
25         Use output_call to generate the asm template.
26         * config/m68k/predicates.md (const_call_operand): New predicate.
27         (call_operand): Likewise.
28
29 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
30
31         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
32         (STACK_GROWS_DOWNWARD): Define to 1.
33         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
34         comments, emphasizing that these values are only defaults.
35         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
36         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
37
38 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
39
40         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
41
42 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
43             Richard Sandiford  <richard@codesourcery.com>
44
45         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
46         (FP_REGNO_P): New macros.
47         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
48         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
49         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
50         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
51
52 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
53
54         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
55         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
56         to $tmake_file.
57         * config/m68k/t-floatlib: New file, extracting common code from...
58         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
59         * config/m68k/t-uclinux: Here.
60         * config/m68k/fpgnulib.c: Do not compile extendeed precision
61         routines on ColdFire targets.
62
63 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
64
65         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
66         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
67         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
68         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
69         explicitly set MOTOROLA to 1.
70         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
71
72 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
73             Nathan Sidwell  <nathan@codesourcery.com>
74
75         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
76         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
77         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
78         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
79         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
80         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
81         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
82         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
83         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
84         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
85         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
86         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
87         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
88         (DBX_REGISTER_NUMBER): Delete.
89         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
90         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
91         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
92
93 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
94
95         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
96         * config/flat.h: New file.
97         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
98         OBJECT_FORMAT_FLAT.
99         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
100         indirect references for -msep-data or -mid-shared-library.
101         Do not use PC-relative code addresses either.
102         * config/m68k/m68k.c (override_options): Restrict -fPIC error
103         to -mpcrel.
104         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
105         for shared libraries and crt1.o for executables.  Use crti.o and
106         crtbegin.o.
107         (ENDFILE_SPEC): Use crtend.o and crtn.o.
108         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
109         Do not add -elf2flt or -shared-lib-id options here.
110         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
111         Pass -shared-lib-id if -mid-shared-library, taking the library
112         identifier from -mshared-library-id if given, otherwise
113         defaulting to 0.
114         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
115         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
116         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
117         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
118         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
119         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
120         and crtend.o.
121         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
122         jump sequence for ISA A and ISA A+.
123         (PICJUMP): Likewise.
124
125 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
126
127         * config.gcc (m68k-*-uclinux*): Base the port on the common
128         and m68k GNU/Linux files rather than on the generic ELF ones.
129         * config/m68k/uclinux.h (TARGET_VERSION): Override.
130         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
131
132 2007-01-18  Julian Brown  <julian@codesourcery.com>
133             Richard Sandiford  <richard@codesourcery.com>
134
135         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
136         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
137         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
138         before redefining.
139         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
140         80 unconditionally.
141         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
142
143 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
144
145         * doc/install.texi: Document m68k-uclinuxoldabi.
146         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
147         * config/m68k/uclinux-oldabi.h: New file, copied from
148         config/m68k/uclinux.h.
149
150 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
151
152         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
153         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
154         (m32r_compute_frame_size): Use unsigned for regno.
155         (m32r_reload_lr): Use gen_frame_mem.
156         (pop): New.
157         (m32r_output_function_epilogue): Don't output the function epilogue
158         textually here.
159         (m32r_expand_epilogue): New.
160         (direct_return): Return false if the function has the interrupt
161         attribute.
162         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
163         * config/m32r/m32r.md (epilogue): New expander.
164         (return_lr, return_rte): New insns.
165         (return): Make it expander.
166         (return_normal): New expander.
167
168 2007-01-18  Josh Conner  <jconner@apple.com>
169
170         PR target/30485
171         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
172         support for UNLE, UNLT, UNGE, and UNGT.
173
174 2007-01-18  Jan Hubicka  <jh@suse.cz>
175
176         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
177         * tree-tailcall (add_virtual_phis): Likewise.
178         (optimize_tail_call): Return TODOs.
179         (execute_tail_calls): Return TODOs.
180         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
181         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
182         changed.
183         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
184         Cleanup cfg using TODO.
185         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
186         * passes.c (execute_function_todo): When cleanup did something, remove
187         unused locals.
188         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
189         (make_edges): Don't cleanup_cfg.
190
191 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
192
193         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
194         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
195         operate on the top of stack.
196         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
197         register handling of instructions that output to the second
198         stack slot.
199         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
200         (move_for_stack_reg): Special-case check for dead destination
201         stack slot for constant load of 1.0 inside UNSPEC_TAN.
202
203         * config/i386/i386.md (UNSPEC_TAN): New constant.
204         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
205         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
206         to correctly model move of constant 1.0 to top stack slot.
207         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
208         (unnamed peephole2 pattern): Remove corresponding peephole2
209         pattern that optimizes tan insn and loading of constant 1.0.
210         (tanxf2): Use fptanxf4_i387.
211         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
212         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
213         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
214         disable patterns for SSE math.
215         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
216         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
217
218 2007-01-18  Dirk Mueller  <dmueller@suse.de>
219             Richard Guenther <rguenther@suse.de>
220
221         PR diagnostic/8268
222         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
223         * common.opt (Warray-bounds): Add new warning option.
224         * c-opts.c (c_common_handle_option): Define -Warray-bounds
225         if -Wall is given.
226         * Makefile.in: make tree-vrp.o depend on toplev.h
227         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
228         is enabled.
229         (check_array_refs, check_array_bounds, check_array_ref): New.
230
231 2007-01-18  Jan Hubicka  <jh@suse.cz>
232
233         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
234         (execute_ssa_ccp): Return flags conditionally.
235         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
236         changed.
237         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
238
239 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
240
241         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
242         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
243
244         * Makefile.c (GTFILES): Add cfglayout.h.
245         * gengtype.c (open_base_files): Likewise.
246         * cfglayout.c (cfg_layout_function_footer,
247         cfg_layout_function_header) Reindent to make gengtype happy.
248         * cfglayout.h (cfg_layout_function_footer,
249         cfg_layout_function_header): Add GTY(()) marker.
250
251         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
252
253 2007-01-18  Ben Elliston  <bje@au.ibm.com>
254
255         * genautomata.c (write_automata): Include xstrerror output in the
256         error message if writing the DFA description file fails.
257
258 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
259
260         * config/mips/mips-protos.h (mips_output_external): Make it
261         return void.
262         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
263         * config/mips/mips.c (irix_output_external_libcall): Likewise.
264         (extern_list): Likewise.
265         (extern_head): Likewise.
266         (TARGET_ASM_FILE_END): Likewise.
267         (mips_file_end): Likewise.
268         (mips_output_external): Rewritten.
269
270 2007-01-18  Ben Elliston  <bje@au.ibm.com>
271
272         * genpreds.c (write_insn_preds_c): Only write out the function
273         body for regclass_for_constraint if we have register constraints.
274
275 2007-01-17  Tom Tromey  <tromey@redhat.com>
276
277         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
278         * doc/install.texi (Testing): Use sourceware.org.
279         (Binaries): Likewise.
280         (Specific): Likewise.
281         * doc/contrib.texi (Contributors): Use sourceware.org.
282
283 2007-01-17  Anatoly Sokolov <aesok@post.ru>
284
285         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
286         (AVR_ENHANCED): Rename to ...
287         (AVR_HAVE_MUL): ... new.
288         (avr_enhanced_p): Rename to ...
289         (avr_have_mul_p): ... new.
290         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
291         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
292         * config/avr/avr.c (avr_enhanced_p): Rename to ...
293         (avr_have_mul_p): ... new.
294         (base_arch_s): Rename 'enhanced' to 'have_mul'.
295         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
296         'avr_enhanced_p' and 'enhanced'.
297         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
298         AVR_HAVE_MUL instead of AVR_ENHANCED.
299         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
300         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
301         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
302         instead of AVR_ENHANCED.
303         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
304         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
305         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
306
307 2007-01-17  Ian Lance Taylor  <iant@google.com>
308
309         * vec.h (VEC_reserve_exact): Define.
310         (vec_gc_p_reserve_exact): Declare.
311         (vec_gc_o_reserve_exact): Declare.
312         (vec_heap_p_reserve_exact): Declare.
313         (vec_heap_o_reserve_exact): Declare.
314         (VEC_OP (T,A,reserve_exact)): New static inline function, three
315         versions.
316         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
317         negative parameter.
318         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
319         (VEC_OP (T,A,copy)) [all versions]: Likewise.
320         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
321         * vec.c (calculate_allocation): Add exact parameter.  Change all
322         callers.
323         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
324         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
325         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
326         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
327         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
328         (vec_heap_p_reserve_exact): New function.
329         (vec_heap_o_reserve_exact): New function.
330
331 2007-01-17  Jan Hubicka  <jh@suse.cz>
332
333         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
334
335 2007-01-17  Eric Christopher  <echristo@apple.com>
336
337         * config.gcc: Support core2 processor.
338
339 2007-01-16  Jan Hubicka  <jh@suse.cz>
340
341         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
342         the names, just unlink the chain so we don't crash on dangling pointers
343         to dead SSA names.
344
345 2007-01-16  Jan Hubicka  <jh@suse.cz>
346
347         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
348         * tree-pass.h: Reorder to make IPA passes appear toegher.
349         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
350         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
351         parameters, do not call early inliner.
352         * ipa-inline.c: Update comments.  Include tree-flow.h
353         (cgraph_decide_inlining): Do not compute inlining parameters.
354         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
355         be called with function context set up.
356         (pass_ipa_inline): Remove unreachable functions before pass.
357         (cgraph_early_inlining): Simplify assuming to be called from the
358         PM as local pass.
359         (pass_early_inline): New pass.
360         (cgraph_gate_ipa_early_inlining): New gate.
361         (pass_ipa_early_inline): Turn into simple wrapper.
362         (compute_inline_parameters): New function.
363         (gate_inline_passes): New gate.
364         (pass_inline_parameters): New pass.
365         (apply_inline): Move here from tree-optimize.c
366         (pass_apply_inline): New pass.
367         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
368         transforming.
369         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
370         doing them by hand.
371         (tree_function_versioning): Do not allocate dummy struct function.
372         * tree-inline.h (optimize_inline_calls): Update prototype.
373         * tree-optimize.c (execute_fixup_cfg): Export.
374         (pass_fixup_cfg): Remove
375         (tree_rest_of_compilation): Do not apply inlines.
376         * tree-flow.h (execute_fixup_cfg): Declare.
377         * Makefile.in (gt-passes.c): New.
378         * passes.c: Include gt-passes.h
379         (init_optimization_passes): New passes.
380         (nnodes, order): New static vars.
381         (do_per_function_toporder): New function.
382         (execute_one_pass): Dump current pass here.
383         (execute_ipa_pass_list): Don't dump current pass here.
384
385 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
386
387         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
388         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
389
390 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
391
392         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
393         (strong_alias): Define.
394         (__gcc_qmul): Provide non-FMA for soft-float.
395         (__gcc_qdiv): Same.
396         (__gcc_qneg): New.
397         (__gcc_qeq): New.
398         (__gcc_qle): New.
399         (__gcc_qge): New.
400         (__gcc_qunord): New.
401         (__gcc_stoq): New.
402         (__gcc_dtoq): New.
403         (__gcc_qtos): New.
404         (__gcc_qtod): New.
405         (__gcc_qtoi): New.
406         (__gcc_qtou): New.
407         (__gcc_itoq): New.
408         (__gcc_utoq): New.
409         (fmsub): New.
410         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
411         soft-float functions.
412         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
413         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
414         about long double soft float.
415
416 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
417             Tehila Meyzels  <tehila@il.ibm.com>
418
419         * tree-vectorizer.h (is_pattern_stmt_p): New.
420         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
421         formatting (tabs instead of spaces). Cleanup and clarify setting
422         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
423         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
424         (vectorizable_type_demotion): Check that types are integral.
425         (vectorizable_type_promotion): Likewise.
426         (vectorizable_store): Fix typo.  Eliminate new-line at end of
427         comments.
428
429 2007-01-16  Jan Hubicka  <jh@suse.cz>
430
431         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
432         cgraph edges too.
433
434 2007-01-15  Eric Christopher  <echristo@apple.com>
435
436         * ifcvt.c: Include vec.h, vecprim.h.
437         (check_cond_move_block): New argument regs.
438         Reorganize. Add registers used to regs.
439         (cond_move_process_if_block): Use regs set above as
440         loop bounds.
441
442 2007-01-15  Eric Christopher  <echristo@apple.com>
443
444         * config/darwin.h: Update copyright.
445         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
446         (LINK_COMMAND_SPEC): Add -u.
447         (LINK_SPEC): Fix umbrella for above.
448
449 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
450
451         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
452         glibc CVS.
453
454 2007-01-15  Tom Tromey  <tromey@redhat.com>
455
456         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
457         * doc/install.texi (Testing): Don't mention jacks.
458         (Configuration): Document --enable-java-maintainer-mode.  Move
459         --with-java-home to libgcj-specific section.  Document
460         --with-ecj-jar.
461         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
462
463 2007-01-15  Jan Hubicka  <jh@suse.cz>
464
465         * tree-ssa-dce.c (DCE_TODOs): New.
466         (propagate_necessity): Return if something changed.
467         (eliminate_unnecessary_stmts): Likewise.
468         (perform_tree_ssa_dce): Return TODO flags when needed.
469         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
470
471 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
472
473         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
474         (fyl2x_extend<mode>xf3_i387): New insn pattern.
475         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
476         patterns using X87MODEF12 mode macro.  Extend operand 1
477         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
478         (log10<mode>2): Ditto.
479         (log2<mode>2): Ditto.
480         (log1p<mode>2): Ditto.
481         (logb<mode>2): Ditto.
482         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
483         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
484         (*fxtractxf3_i387): Rename from *fxtractxf3.
485         (fxtract_extend<mode>xf3_i387): New insn pattern.
486         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
487         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
488         and gen_fyl2xxf3_i387().
489
490 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
491
492         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
493         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
494         get_loop_exit_edges.  Changed return type to bool.
495         * cfgloop.h (fix_loop_placement): Declaration removed.
496
497 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
498
499         * param.h (MIN_VECT_LOOP_BOUND): New.
500         * params.def (MIN_VECT_LOOP_BOUND): New.
501         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
502         argument - minimum threshold for number of iterations.
503         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
504         argument to declaration.
505         * tree-vect-analyze.c (vect_analyze_operations): Check value of
506         MIN_VECT_LOOP_BOUND.
507         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
508         slpeel_tree_peel_loop_to_edge with additional argument.
509         (vect_do_peeling_for_alignment): Likewise.
510         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
511
512 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
513
514         PR target/30413
515         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
516         operands of size 1.
517
518 2007-01-14  Jan Hubicka  <jh@suse.cz>
519
520         * tree-dfa.c (remove_referenced_var): New function.
521         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
522         prune referenced vars list too.
523         * tree-flow.h (remove_referenced_var): Declare.
524
525 2007-01-14  Jan Hubicka  <jh@suse.cz>
526
527         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
528         separately.
529         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
530         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
531         * except.h (verify_eh_throw_table_statements): Kill prototype.
532         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
533         into call exrepssions.
534         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
535         eh trhow verifier.
536         * tree-cfg.c: Include pointer-set.h.
537         (verify_node_sharing): Work on pointer set.
538         (verify_eh_throw_stmt_node): New.
539         (verify_stmts): Use pointers sets, verify throw_stmt.
540
541 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
542
543         * ipa-reference.c (analyze_function): Consider also addresses taken
544         in phi nodes.
545
546 2007-01-12  Roger Sayle  <roger@eyesopen.com>
547
548         * c-typeck.c (null_pointer_constant_p): Replace use of
549         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
550         (build_c_cast): Likewise.
551
552 2007-01-12  Roger Sayle  <roger@eyesopen.com>
553
554         * tree.h (force_fit_type_double): Remove unused final argument.
555         * c-common.c (constant_expression_warning): Replace use of
556         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
557         (convert_and_check): Likewise.
558         (shorten_compare): Update call to force_fit_type_double.
559         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
560         * convert.c (convert_to_pointer): Update call to
561         force_fit_type_double.
562         * fold-const.c (force_fit_type_double): Remove overflowed_const
563         argument.
564         (int_const_binop, fold_convert_const_int_from_int,
565         fold_convert_const_int_from_real, fold_div_compare,
566         fold_sign_changed_comparison, fold_unary, fold_negate_const,
567         fold_abs_const, fold_not_const): Remove the final argument from
568         calls to force_fit_type_double.
569
570 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
571
572         * configure.ac: Set insn to "nop" for spu-*-* also.
573         * configure: Regenerate.
574
575 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
576
577         * builtins.def : Add BUILT_IN_FREE.
578
579 2007-01-12  Jan Hubicka  <jh@suse.cz>
580
581         PR tree-optimization/30443
582         * tree-inline.c (tree_function_versioning): Do not optimize when
583         cloning for inlining.
584
585 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
586
587         * doc/loop.texi: Document recording of loop exits.
588         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
589         (update_single_exits_after_duplication,
590         update_single_exit_for_duplicated_loop,
591         update_single_exit_for_duplicated_loops): Removed.
592         (duplicate_loop_to_header_edge): Do not call
593         update_single_exits_after_duplication and
594         update_single_exit_for_duplicated_loops.
595         (loop_version): Do not update single_exit information.
596         (fix_loop_structure): Use record_loop_exits instead of
597         mark_single_exit_loops.
598         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
599         the lists of loop exits.
600         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
601         split_edge, merge_blocks): Update the lists of loop exits.
602         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
603         loop_optimizer_init.
604         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
605         of mark_single_exit_loops.
606         (loop_optimizer_finalize): Call release_recorded_exits.
607         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
608         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
609         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
610         update single exit information.
611         * lambda-code.c (perfect_nestify): Ditto.
612         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
613         (mark_single_exit_loops): Removed.
614         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
615         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
616         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
617         functions.
618         (get_loop_exit_edges, single_exit): Use recorded exit lists.
619         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
620         (verify_loop_structure): Verify consistency of the exit lists.
621         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
622         (set_single_exit): Removed.
623         * cfgloop.h (struct loop_exit): New function.
624         (struct loop): single_exit_ field replaced by exits field.
625         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
626         (struct loops): Added exits hash.
627         (mark_single_exit_loops, set_single_exit): Declaration removed.
628         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
629
630 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
631
632         * doc/invoke.texi: Avoid use of @headitem.
633
634 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
635
636         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
637
638 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
639
640         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
641         list of targets.
642
643 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
644             Richard Sandiford  <richard@codesourcery.com>
645
646         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
647         * config/m68k/m68k.opt: Resort options.
648         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
649
650 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
651             Richard Sandiford  <richard@codesourcery.com>
652
653         * doc/invoke.texi: Document the macros that are defined by
654         m68k's -mtune and -mhard-float options.
655         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
656         (m68k_cpp_cpu_family): Likewise.
657         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
658         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
659         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
660         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
661         (m68k_cpp_cpu_family): Likewise.
662
663 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
664
665         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
666         macros besides mc68000 as tuning macros.  Use a switch statement
667         to set them and mcpu32.
668
669 2007-01-12  Julian Brown  <julian@codesourcery.com>
670
671         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
672         (TARGET_68040_ONLY): Rename to...
673         (TARGET_68040): ...this.
674         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
675         * config/m68k/m68k.md: Likewise.
676
677 2007-01-12  Julian Brown  <julian@codesourcery.com>
678             Nathan Sidwell  <nathan@codesourcery.com>
679             Richard Sandiford  <richard@codesourcery.com>
680
681         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
682         the -mcpu= argument associated with the --with-cpu setting.
683         Define M68K_DEFAULT_TUNE to the default -mtune= option,
684         if different from the one implied by the -mcpu setting.
685         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
686         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
687         * doc/invoke.texi: Mention ColdFire in the introduction to the
688         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
689         -mno-div and -mhard-float options.  Make -m68881 a synonym for
690         -mhard-float.  Document the previously-undocumented -m5206e,
691         -m528x, -m5307 and -m5407 options.  Tweak the existing option
692         documentation for consistency.
693         * doc/install.texi: Mention new --with-cpu arguments.
694         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
695         default CPU if neither -mcpu nor -march are specified.
696         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
697         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
698         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
699         using m68k_tune to decide between families that implement the
700         same ISA.  Use m68k_tune to set __mcfv4e__.
701         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
702         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
703         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
704         (FL_ISA_C, FL_ISA_MMU): New macros.
705         (MASK_COLDFIRE): Delete.
706         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
707         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
708         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
709         (TARGET_HARD_FLOAT): Do not define here.
710         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
711         (TUNE_68000): New macro.
712         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
713         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
714         (TUNE_CFV2): Redefine in terms of m68k_tune.
715         (uarch_type, target_device, fpu_type): New enums.
716         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
717         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
718         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
719         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
720         (FL_FOR_isa_c): New macros.
721         (m68k_isa): New enum.
722         (m68k_target_selection): New structure.
723         (all_devices, all_isas, all_microarchs): New tables.
724         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
725         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
726         (MASK_ALL_CPU_BITS): Delete.
727         (m68k_find_selection): New function.
728         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
729         Map the legacy target options to a combination of the new ones.
730         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
731         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
732         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
733         settings.
734         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
735         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
736         properties.
737         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
738         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
739         * config/m68k/m68k-devices.def: New file.
740
741 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
742             Nathan Sidwell  <nathan@codesourcery.com>
743
744         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
745         (SUBTARGET_EXTRA_SPECS): New macros.
746         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
747         use %(asm_cpu_spec) instead.
748         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
749         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
750         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
751         (EXTRA_SPECS): Rename to...
752         (SUBTARGET_EXTRA_SPECS): ...this.
753
754 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
755             Richard Sandiford  <richard@codesourcery.com>
756             Julian Brown  <julian@codesourcery.com>
757
758         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
759         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
760         to the configuration's default CPU.
761         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
762         Remove default masks.
763         (m680[012]0-*-*): Set the default with_cpu to the first part of
764         the target name.
765         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
766         (m68k*-*-linux): Extend the --with-cpu handling to...
767         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
768         and m68010.  Don't set target_cpu_default2.
769         * doc/install.texi: Document --with-cpu for m68k.
770         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
771         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
772         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
773         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
774         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
775         (ASM_SPEC): Remove use of %(asm_cpu_default).
776         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
777         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
778         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
779         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
780         __HAVE_FPU__ if TARGET_HARD_FLOAT.
781         (TARGET_DEFAULT): Delete.
782         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
783         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
784         (CPP_CPU_SPEC): Delete.
785         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
786         the appropriate string.
787         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
788         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
789         (ASM_SPEC): Don't use %(asm_default_spec).
790         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
791         TARGET_DEFAULT and add MASK_68881.
792         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
793
794 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
795
796         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
797         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
798         MASK_68010 alongside MASK_68020.
799         * doc/invoke.texi: Document -m68010.
800         * config/m68k/m68k.opt (m68010): New.
801         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
802         if TUNE_68010.
803         (TUNE_68010): New macro.
804         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
805         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
806         (M68K_CPU_m68332): Add MASK_68010.
807         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
808         fallback definition.
809         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
810         defines.
811         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
812         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
813         to all entries that use MASK_68020.
814         (output_move_simode_const, output_move_himode, output_move_qimode)
815         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
816         instead of TARGET_68020 to select clr behavior.  Remove comment
817         about there being no TARGET_68010.
818         * config/m68k/m68k.md: Likewise throughout.
819
820 2007-01-12  Julian Brown  <julian@codesourcery.com>
821
822         * config/m68k/m68k.h (TARGET_ISAB): New macro.
823         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
824         * config/m68k/m68k.md: Likewise.
825
826 2007-01-12  Julian Brown  <julian@codesourcery.com>
827
828         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
829         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
830
831 2007-01-12  Julian Brown  <julian@codesourcery.com>
832
833         * config/m68k/m68k.h (TUNE_68040_60): New macro.
834         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
835         * config/m68k/m68k.md: Likewise.
836
837 2007-01-12  Julian Brown  <julian@codesourcery.com>
838             Richard Sandiford  <richard@codesourcery.com>
839
840         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
841         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
842         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
843         TARGET_CPU32.
844         (TARGET_CPU32): Rename to...
845         (TUNE_CPU32): ...this.
846         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
847         (TUNE_CFV2): New macros.
848         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
849         remove conditions that are implied by TARGET_68020.
850         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
851         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
852         (m68k_output_function_epilogue): Likewise.
853         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
854         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
855         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
856         non-68000 timings.  Refactor multiplication and division costs.
857         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
858         TUNE_CPU32 instead of TARGET_CPU32.
859         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
860         and TUNE_68060 instead of TARGET_68060.
861         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
862         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
863         TARGET_CPU32.
864         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
865         && !TARGET_COLDFIRE" to choose between moveq and clr.
866         Likewise in the unnamed movsf pattern.
867         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
868         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
869         ashiftrt pattern.
870
871 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
872
873         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
874         of tabbing before backslashes.
875
876 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
877
878         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
879         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
880         (ASM_OUTPUT_INTERNAL_LABEL): Define.
881
882 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
883
884         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
885         find_interesting_uses_cond.
886         (find_interesting_uses_cond): Use extract_cond_operands.
887         (rewrite_use_compare): Use extract_cond_operands and
888         force_gimple_operand_bsi.  Do not call update_stmt.
889         (determine_use_iv_cost_condition): Use extract_cond_operands.
890         Return cheaper of using original bound and changing the exit bound.
891
892 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
893
894         PR tree-optimization/29516
895         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
896         most_expensive_mult_to_index, addr_to_parts,
897         create_mem_ref, maybe_fold_tmr): Make the type of
898         fields of TARGET_MEM_REF sizetype.
899         (move_fixed_address_to_symbol, move_pointer_to_base):
900         New functions.
901         * tree.def (TARGET_MEM_REF): Add comment on types of
902         the operands.
903
904 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
905
906         * c-common.c (vector_types_convertible_p): Treat opaque types as
907         always convertible if they have the same size, but not otherwise.
908
909 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
910
911         * ifcvt.c (struct noce_if_info): Add comments to the fields.
912         Remove the b_unconditional field.
913         (noce_try_sign_mask): Do not look at b_unconditional.
914         (noce_process_if_block): Do not use merge_if_blocks.  Update
915         the CFG here.  Do not set b_unconditional.
916         (cond_move_process_if_block): Likewise.
917         (find_cond_trap): Likewise.
918         (check_cond_move_block): Require simple jump insns at the end
919         of the basic block.
920
921 2007-01-11  Jan Hubicka  <jh@suse.cz>
922
923         PR tree-optimization/1046
924         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
925         when alias info is not ready.
926         (pass_tail_recursion): Do not require aliasing.
927         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
928         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
929         * tree-ssa-copy.c (pass_copy_prop): Likewise.
930         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
931         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
932         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
933         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
934         before inlining.
935         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
936         When aliasing is not build, mark statement as volatile.
937
938 2007-01-11  Tom Tromey  <tromey@redhat.com>
939
940         PR preprocessor/15185, PR preprocessor/20989:
941         * doc/cppopts.texi <-MT>: Update description of algorithm for
942         computing default target.
943         <-M, -MD>: Reword "basename" text.
944
945 2007-01-11  Roger Sayle  <roger@eyesopen.com>
946
947         * builtins.c (expand_builtin_pow, expand_builtin_powi,
948         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
949         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
950         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
951         fold_builtin_bswap, real_constp, fold_builtin_pow,
952         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
953         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
954         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
955         * convert.c (convert_to_pointer): Likewise.
956         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
957         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
958         const_binop, fold_convert_const_int_from_int,
959         fold_convert_const_int_from_real,
960         fold_convert_const_real_from_real, sign_bit_p,
961         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
962         fold_sign_changed_comparison, fold_unary, fold_comparison,
963         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
964         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
965         * print-tree.c (print_node_brief, print_node): Likewise.
966         * stor-layout.c (place_field, layout_type): Likewise.
967         * tree-chrec.c (keep_cast): Likewise.
968         * tree.c (build_vector, build_real, build_real_from_int_cst,
969         build_complex): Likewise.
970
971 2007-01-11  Roger Sayle  <roger@eyesopen.com>
972
973         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
974         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
975
976 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
977
978         * configure.ac (strict1_warn): Rename to strict_warn.
979         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
980         cc_set_by_configure, quoted_cc_set_by_configure,
981         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
982         all_boot_languages, all_stagestuff): Remove.
983         (target_list): Remove bootstrap targets.
984         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
985         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
986         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
987         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
988         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
989         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
990         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
991         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
992         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
993         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
994         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
995         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
996         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
997         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
998         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
999         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1000         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1001         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1002         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1003         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1004         (mostlyclean): Adjust.
1005         (clean, distclean): Don't mention bootstrap stuff.
1006         * configure: Regenerate.
1007         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1008         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1009         treelang/config-lang.in (stagestuff): Remove.
1010         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1011         stageprofile, stagefeedback, stagestuff): Remove mention.
1012
1013 2007-01-11  Nick Clifton  <nickc@redhat.com>
1014
1015         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1016         Accept CONSTs.
1017         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1018         (mcore_arith_K_S_operand): Run the test for the S constraint not
1019         the test for the M constraint.
1020         (mcore_addsub_operand): Do not accept integer values that are
1021         larger than 32 bits.
1022         * config/mcore/mcore.md: Remove unused constraints from split.
1023         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1024         (addsi3): Likewise.
1025         (allocate_stack): Likewise.
1026         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1027         operands to 32 bits.
1028         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1029         INTVAL.
1030         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1031         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1032         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1033         mcore_output_bclri, mcore_output_andn, output_inline_const,
1034         mcore_output_move, mcore_output_movedouble): Likewise.
1035         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1036         (output_inline_const): Likewise.
1037         (output_inline_const): Fix format strings used in sprintf
1038         statements.
1039         * config/mcore/mcore-protos.h: Update prototypes for changed
1040         functions in mcore.c.
1041         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1042         HOST_WIDE_INT and not int.
1043         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1044         CONST_OK_FOR_N): Likewise.
1045         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1046         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1047         an INTVAL.
1048
1049 2007-01-10  Jan Hubicka  <jh@suse.cz>
1050
1051         * tree-vrp.c (remove_range_assertions): Release defs.
1052         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1053         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1054
1055 2007-01-10  Paul Brook  <paul@codesourcery.com>
1056
1057         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1058         * config/arm/arm.md (mulsi3subsi): New insn.
1059
1060 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1061
1062         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1063         (tree_transform_and_unroll_loop): New.
1064         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1065         Declare.
1066
1067 2007-01-10  Robert Kennedy <jimbob@google.com>
1068
1069         * fold-const.c (fold_comparison): Fold comparisons like (x *
1070         1000 < 0) to (x < 0).
1071
1072 2007-01-10  Ian Lance Taylor  <iant@google.com>
1073
1074         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1075         operands have the same priority.
1076
1077 2007-01-10  Tom Tromey  <tromey@redhat.com>
1078
1079         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1080         (fold_binary): Likewise.
1081         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1082         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1083         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1084         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1085         * langhooks.h (struct lang_hooks): Removed field
1086         'can_use_bit_fields_p'.
1087
1088 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1089
1090         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
1091
1092 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
1093
1094         * function.c (get_last_funcdef_no): New function.
1095         * function.h (get_last_funcdef_no): Declare.
1096         * tree-inline.c (initialize_cfun): Add initialization.
1097         (tree_function_versioning): Cleanup.
1098
1099 2007-01-10  Jan Hubicka  <jh@suse.cz>
1100
1101         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
1102         PHIs.
1103
1104 2007-01-10  Sa Liu  <saliu@de.ibm.com>
1105             Ben Elliston  <bje@au.ibm.com>
1106
1107         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
1108         for SAVE_NONLOCAL and Pmode for any other save level.
1109         * spu-protos.h (spu_restore_stack_block): Declare.
1110         * spu.md (save_stack_block): Remove.
1111         (restore_stack_block): Call spu_restore_stack_block.
1112         * spu.c (spu_restore_stack_block): New function.
1113         (spu_expand_epilogue): Remove old comment.
1114
1115 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
1116
1117         PR tree-optimization/30322
1118         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
1119         (cand_value_at): Return the value as aff_tree.
1120         (may_eliminate_iv): Convert the bound from aff_tree to tree.
1121         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
1122         aff_combination_mult): New functions.
1123         (aff_combination_add): Use aff_combination_add_cst.
1124         (aff_combination_convert): Allow conversions to a wider type.
1125         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1126         * tree-affine.h (aff_combination_mult): Declare.
1127
1128 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1129
1130         * doc/tm.texi: Update documentation to reflect reality of exec
1131         and start file search behaviours. Update copyright year.
1132         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1133         header file directories.
1134
1135 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1136
1137         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1138         (*cosxf2): Rename to cosxf2_i387.
1139         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1140         using X87MODEF12 mode macro. Rename patterns to
1141         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1142         for SSE math.
1143         (*cosdf2, *cossf2): Ditto.
1144         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1145         to match extended input operands.
1146         (sincos<mode>3): New expander.
1147         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1148         insn patterns and corresponding splitters.
1149
1150 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1151
1152         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1153         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1154
1155 2007-01-09  Nicolas Pitre  <nico@cam.org>
1156
1157         PR target/30173
1158         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1159
1160 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1161
1162         * target.h (struct gcc_target): New field library_rtti_comdat.
1163         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1164         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1165         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1166         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1167
1168 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1169
1170         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1171
1172 2007-01-08  Richard Guenther  <rguenther@suse.de>
1173
1174         * tree.h (force_fit_type_double): Export.
1175         (force_fit_type): Remove.
1176         * fold-const.c (force_fit_type_double): New function.
1177         (force_fit_type): Remove.
1178         (int_const_binop): Use it.
1179         (fold_convert_const_int_from_int): Likewise.
1180         (fold_convert_const_int_from_real): Likewise.
1181         (fold_div_compare): Likewise.
1182         (fold_sign_changed_comparison): Likewise.
1183         (fold_unary): Likewise.
1184         (fold_negate_const): Likewise.
1185         (fold_abs_const): Likewise.
1186         (fold_not_const): Likewise.
1187         * c-common.c (shorten_compare): Use force_fit_type_double.
1188         * convert.c (convert_to_pointer): Likewise.
1189
1190 2007-01-08  Richard Guenther  <rguenther@suse.de>
1191
1192         * tree.h (build_int_cst_wide_type): Export.
1193         * tree.c (build_int_cst_wide_type): New function.
1194         (build_int_cst_wide): Fix comment.
1195         * builtins.c (fold_builtin_object_size): Use build_int_cst
1196         to build -1 or 0 of the correct type.  Use fit_double_type
1197         to check for overflow.
1198         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1199         to build the mask.
1200         (decode_field_reference): Likewise.
1201         (all_ones_mask_p): Likewise.
1202         (native_interpret_int): Use build_int_cst_wide_type.
1203         (fold_binary): Use build_int_cst_type to build an all-ones
1204         value.
1205         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1206
1207 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1208
1209         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1210
1211 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1212
1213         * genautomata.c (STATS_OPTION): New option.
1214         (stats_flag): New flag.
1215         (gen_automata_option): Handle it.
1216         (initiate_automaton_gen): Ditto.
1217         (write_automata): Output statistics only if stats_flag is
1218         set. Likewise, output time statistics only if time_flag is set.
1219         * doc/md.texi (Processor pipeline description): Document new flag.
1220
1221 2007-01-08  Richard Guenther  <rguenther@suse.de>
1222
1223         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1224         * tree.c (build_int_cst_type): Likewise.
1225         (size_in_bytes): Don't call force_fit_type on the result.
1226         (int_fits_type_p): Use fit_double_type.
1227         * fold-const.c (fit_double_type): New function.
1228         (force_fit_type): Use it.
1229         * tree.h (fit_double_type): Export.
1230
1231 2007-01-08  Jan Hubicka  <jh@suse.cz>
1232
1233         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1234         * ipa.c (function_and_variable_visibility): Fix return type.
1235
1236 2007-01-08  Richard Guenther  <rguenther@suse.de>
1237
1238         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1239         of offset to build the index.
1240         * tree-pretty-print.c (dump_generic_node): Don't build negated
1241         const just for printing.
1242         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1243         * builtins.c (fold_builtin_int_roundingfn): Check if result
1244         fits the type by using force_fit_type and comparing the result.
1245         * predict.c (predict_loops): Use compare_tree_int for comparison.
1246         * tree.c (build_int_cst): Fall back to integer_type_node for
1247         NULL_TREE type.
1248         (build_int_cst_wide): Assert type is non-null.
1249
1250 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1251
1252         * tree-vrp.c (extract_range_from_cond_expr): New.
1253         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1254         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1255         as expressions.
1256         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1257         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1258         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1259         used as expressions.
1260         * tree-object-size.c (cond_expr_object_size): New.
1261         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1262
1263 2007-01-08  Jan Hubicka  <jh@suse.cz>
1264
1265         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1266         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1267         statement.
1268
1269 2007-01-08  Richard Guenther  <rguenther@suse.de>
1270
1271         PR tree-optimization/23603
1272         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1273         (extract_range_from_binary): Fall back to truthvalue instead of
1274         varying for TRUTH_*_EXPR.
1275         (extract_range_from_comparison): Fall back to truthvalue instead of
1276         varying.
1277         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1278         if all visited PHI values were constant.
1279
1280 2007-01-08  Jan Hubicka  <jh@suse.cz>
1281
1282         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1283         (cgraph_analyze_function): break out from ...
1284         (cgraph_finalize_compilation_unit): ... here.
1285         (cgraph_expand_function): Remove forgoten commented out line.
1286         (cgraph_optimize): Analyze functions.
1287
1288 2007-01-08  Jan Hubicka  <jh@suse.cz>
1289
1290         * tree-pas.h (TODO_remove_function): New flag.
1291         (TODO_update*): Renumber.
1292         (pass_ipa_increase_alignment,
1293         pass_ipa_function_and_variable_visibility): New passes.
1294         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1295         (cgraph_function_and_variable_visibility): Move to ipa.c
1296         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1297         cgraph_increase_alignment.
1298         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1299         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1300         calling tree-inline.
1301         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1302         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1303         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1304         (gate_increase_alignment): New function.
1305         (pass_ipa_increase_alignment): New pass.
1306         * ipa.c: Inline tree-pass.h and timevar.h
1307         (function_and_variable_visibility): Move here from cgraphunit.c
1308         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1309         * passes.c (init_optimization_passes): Add the two new passes.
1310         (execute_todo): Handle cgraph_remove_functions.
1311
1312 2007-01-08  Nick Clifton  <nickc@redhat.com>
1313
1314         * config/frv/predicates.md (reg_or_0_operand): Accept
1315         CONST_DOUBLEs.
1316
1317 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1318
1319         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1320         * config.gcc: Add bfin*-rtems*.
1321
1322 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1323
1324         * c.opt: Add -flax-vector-conversions.
1325         * c-typeck.c (convert_for_assignment): Pass flag to
1326         vector_types_convertible_p to allow emission of note.
1327         (digest_init): Likewise.
1328         * c-opts.c: Handle -flax-vector-conversions.
1329         * c-common.c (flag_lax_vector_conversions): New.
1330         (vector_types_convertible_p): Unless -flax-vector conversions
1331         has been passed, disallow conversions between vectors with
1332         differing numbers of subparts and/or element types.  If such
1333         a conversion is disallowed, possibly emit a note on the first
1334         occasion only to inform the user of -flax-vector-conversions.
1335         The new last argument specifies this.
1336         * c-common.h (flag_lax_vector_conversions): New.
1337         (vector_types_convertible_p): Add extra argument.
1338         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1339         char_type_node for V*QI type vectors.
1340         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1341         Update to satisfy new typechecking rules.
1342         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1343         C and C++ variants.
1344         * doc/invoke.texi (C Dialect Options): Document
1345         -flax-vector-conversions.
1346
1347 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1348
1349         PR tree-optimization/29877
1350         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1351         a register variable on the RHS to not be replaceable.
1352
1353 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1354         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1355         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1356         const_simm15, const_pow2, const_npow2): Added.
1357         * config/score/misc.md (insv, extv, extzv, movmemsi,
1358         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1359         * config/score/score.c (score_address_cost, score_select_cc_mode):
1360         Added.
1361         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1362         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1363         Update score_print_operand.
1364         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1365         Adjust register allocate order and update some macro define.
1366         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1367         mdx_block_move_straight, mdx_block_move_loop_head,
1368         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1369         mdx_block_move): Added.
1370         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1371         mdp_limm): Updated and fix some bug and typo.
1372         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1373         (movsf, movdf, doloop_end): Added.
1374
1375 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1376
1377         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1378         config/arm/thumb2.md: Fix comment typos.
1379         * doc/extend.texi: Fix a typo.
1380
1381 2007-01-07  Eric Christopher  <echristo@apple.com>
1382
1383         * configure.ac: Check for __stack_chk_fail for darwin.
1384         * configure: Regenerate.
1385
1386 2007-01-07  Richard Guenther  <rguenther@suse.de>
1387
1388         * tree-vrp.c (extract_range_from_assert): CSE calls to
1389         compare_values where possible.
1390         (extract_range_from_unary_expr): Likewise.
1391
1392 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1393
1394         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1395         * config/avr/avr.c (call_insn_operand): Delete function.
1396         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1397         instead of register number. Use predicates.
1398         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1399         call_insn_operand): Add.
1400
1401 2007-01-06  Jan Hubicka  <jh@suse.cz>
1402
1403         * tree-pass.h (pass_build_cgraph_edges): Declare.
1404         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1405         (visited_nodes): Remove.
1406         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1407         build_cgrpah_edges; make visited_nodes local.
1408         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1409         (record_references_in_initializer): Move to cgraphbuild.c
1410         (initialize_inline_failed, rebuild_cgraph_edges,
1411         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1412         (verify_cgraph_node): Make visited_nodes local.
1413         (cgraph_analyze_function): Do not call cgraph_create_edges and
1414         initialize_inline_failed.
1415         (cgraph_expand_function): Do not call cgraph_lower_function;
1416         assert that function is already lowered.
1417         * Makefile.in (cgraphbuild.o): New.
1418         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1419         at the end of lowering passes.
1420
1421 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1422
1423         * ifcvt.c (cond_move_convert_if_block): New function, code
1424         factored out from...
1425         (cond_move_process_if_block): ...here.  Call the new function
1426         on the THEN and ELSE blocks.
1427         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1428         already takes care of this.
1429
1430 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1431
1432         PR c/19978
1433         * tree.h (TREE_OVERFLOW_P): New.
1434         * c-typeck.c (parser_build_unary_op): Warn only if result
1435         overflowed and operands did not.
1436         (parser_build_binary_op): Likewise.
1437         (convert_for_assignment): Remove redundant overflow_warning.
1438         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1439
1440 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1441
1442         * c-typeck.c (store_init_value): Split over two lines to follow
1443         the GNU coding style.
1444
1445 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1446
1447         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1448         __GXX_EXPERIMENTAL_CXX0X__.
1449         * doc/cpp.texi: Same.
1450
1451 2007-01-05  Richard Guenther  <rguenther@suse.de>
1452
1453         PR middle-end/27826
1454         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1455         with mismatched types.  Instead explicitly build a
1456         conversion NOP_EXPR.
1457
1458 2007-01-05  Ian Lance Taylor  <iant@google.com>
1459
1460         * c-common.c (decl_with_nonnull_addr_p): New function.
1461         (c_common_truthvalue_conversion): Call it.
1462         * c-typeck.c (build_binary_op): Likewise.
1463         * c-common.h (decl_with_nonnull_addr_p): Declare.
1464
1465 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1466
1467         PR c/30360
1468         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1469         denom against 0.0.
1470
1471 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1472
1473         * doc/install.texi (Final install): Document the fact that
1474         the GNAT runtime should not be stripped.
1475
1476 2007-01-04  Jan Hubicka  <jh@suse.cz>
1477
1478         * tree-inline.c (fold_marked_statements): Update operand caches
1479         and EH after folding
1480
1481 2007-01-04  Ian Lance Taylor  <iant@google.com>
1482
1483         * c-common.c (check_function_nonnull): Whitespace fix.
1484
1485 2007-01-04  Jan Hubicka  <jh@suse.cz>
1486
1487         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1488         comitted older version of patch.
1489         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1490         function, celanup cfg and collect garbage.
1491
1492 2007-01-04  Mike Stump  <mrs@apple.com>
1493
1494         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1495         (clean): Likewise.
1496
1497 2007-01-04  Eric Christopher  <echristo@apple.com>
1498
1499         * libgcc2.c (__bswapsi2): Use SItype.
1500         (__bswapdi2): Use DItype.
1501         * libgcc2.h: Update for above.
1502
1503 2007-01-04  Paul Brook  <paul@codesourcery.com>
1504
1505         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1506         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1507         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1508         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1509         umulsi3_highpart): Make conditional on !arm_arch6.
1510         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1511         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1512         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1513         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1514         umulsi3_highpart_v6): New insns.
1515
1516 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1517
1518         * fold-const.c (fold_convert): When casting an expression to void,
1519         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1520         have a type.  Instead of attempting to build a NOP_EXPR, return
1521         these "special" trees directly.
1522
1523 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1524
1525         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1526         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1527         rs6000_cost->fp not 0 as adjustment for outer NEG.
1528
1529 2007-01-04  Jan Hubicka  <jh@suse.cz>
1530
1531         * cgraph.c (cgraph_release_function_body): New function.
1532         (cgraph_remove_node): Use it.
1533         * cgraph.h (cgraph_release_function_body): Declare.
1534         * cgraphunit.c (cgraph_expand_function): Use it.
1535         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1536         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1537         is initialized and while compilation of other function is running.
1538         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
1539         statement CFG annotations from here to ...
1540         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
1541
1542 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
1543
1544         * cfgloop.h (enum li_flags): Make the constants powers of two.
1545
1546 2007-01-04  Jan Hubicka  <jh@suse.cz>
1547
1548         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
1549         set.
1550         (fold_marked_statements): New function.
1551         (optimize_inline_calls, tree_function_versioning): Fold new statements.
1552         * tree-inline.h (copy_body_data): Add statements_to_fold.
1553
1554 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
1555
1556         * config.gcc: Mention libgcc/config.host.
1557         * Makefile.in: Update comments mentioning libgcc.
1558         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
1559         (all.cross, start.encap, rest.encap, rest.cross): Update
1560         dependencies for libgcc move.
1561         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
1562         (clean-target, clean-target-libgcc): Delete.
1563         (srcdirify, GCC_EXTRA_PARTS): New macros.
1564         (libgcc-support, libgcc.mvars): New rules.
1565         (distclean): Remove mention of mklibgcc.
1566         (install): Don't reference INSTALL_LIBGCC.
1567         (install-common): Don't reference EXTRA_PARTS.
1568         (install-libgcc, install-multilib): Delete rules.
1569         * mklibgcc.in: Delete file.
1570         * doc/configfiles.texi: Don't mention mklibgcc.
1571
1572         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
1573         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
1574         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
1575         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
1576         (mklibgcc, ldblspecs): Likewise.
1577
1578         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
1579         (posixpre.def): Use $(T).
1580         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
1581         (SHLIB_SRC, SHLIB_INSTALL): Delete.
1582         (SHLIB_LINK): Make dummy.
1583         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
1584
1585         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
1586
1587         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
1588         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
1589         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
1590         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
1591
1592         * configure.ac (all_outputs): Remove mklibgcc.
1593         * configure: Regenerated.
1594
1595 2007-01-03  Josh Conner  <jconner@apple.com>
1596
1597         PR middle-end/29683
1598         * calls.c (compute_argument_addresses): Set stack and stack_slot
1599         for partial args, too.
1600         (store_one_arg): Use locate.size.constant for the size when
1601         generating a save_area.
1602
1603 2007-01-03  Robert Kennedy <jimbob@google.com>
1604
1605         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
1606         whose definitions are deleted due to basic block merging.
1607
1608 2007-01-03  Paul Brook  <paul@codesourcery.com>
1609
1610         PR target/16634
1611         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
1612         functions.
1613         (use_return_insn): Return 0 for Thumb interrupt functions.
1614         (print_multi_reg): Add rfe argument for IRQ returns.
1615         (arm_output_epilogue): Pop interrupt return address directly into PC.
1616         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
1617
1618 2007-01-03  Paul Brook  <paul@codesourcery.com>
1619
1620         Merge from sourcerygxx-4_1.
1621         * config/arm/thumb2.md: New file.
1622         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
1623         Thumb-2.
1624         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
1625         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1626         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
1627         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
1628         tables.
1629         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1630         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
1631         comptibility.
1632         * config/arm/ieee754-sf.S: Ditto.
1633         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
1634         (thumb1_base_register_rtx_p): ... to this.
1635         (thumb_index_register_rtx_p): Rename...
1636         (thumb1_index_register_rtx_p): ... to this.
1637         (thumb_output_function_prologue): Rename...
1638         (thumb1_output_function_prologue): ... to this.
1639         (thumb_legitimate_address_p): Rename...
1640         (thumb1_legitimate_address_p): ... to this.
1641         (thumb_rtx_costs): Rename...
1642         (thumb1_rtx_costs): ... to this.
1643         (thumb_compute_save_reg_mask): Rename...
1644         (thumb1_compute_save_reg_mask): ... to this.
1645         (thumb_final_prescan_insn): Rename...
1646         (thumb1_final_prescan_insn): ... to this.
1647         (thumb_expand_epilogue): Rename...
1648         (thumb1_expand_epilogue): ... to this.
1649         (arm_unwind_emit_stm): Rename...
1650         (arm_unwind_emit_sequence): ... to this.
1651         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
1652         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
1653         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
1654         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
1655         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
1656         thumb2_output_casesi): New functions.
1657         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
1658         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
1659         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
1660         THUMB2_WORK_REGS): Define.
1661         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
1662         arm_condexec_mask, arm_condexec_masklen)): New variables.
1663         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
1664         (arm_override_options): Check new CPU capabilities.
1665         Set new architecture flag variables.
1666         (arm_isr_value): Handle v7m interrupt functions.
1667         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
1668         Thumb-2.
1669         (const_ok_for_arm): Handle Thumb-2 constants.
1670         (arm_gen_constant): Ditto.  Use movw when available.
1671         (arm_function_ok_for_sibcall): Return false for v7m interrupt
1672         functions.
1673         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
1674         (thumb_find_work_register, arm_load_pic_register,
1675         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
1676         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
1677         print_multi_reg, output_mov_long_double_fpa_from_arm,
1678         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
1679         output_mov_double_fpa_from_arm, output_move_double,
1680         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
1681         output_return_instruction, arm_output_function_prologue,
1682         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
1683         arm_output_mi_thunk, thumb_set_return_address): Ditto.
1684         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
1685         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
1686         (arithmetic_instr, shift_op): Use arm_shift_nmem.
1687         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
1688         '!' and 'L'.
1689         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
1690         (thumb_expand_prologue): Use thumb_set_frame_pointer.
1691         (arm_file_start): Output directive for unified syntax.
1692         (arm_unwind_emit_set): Handle stack alignment instruction.
1693         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
1694         Add v6t2, v7, v7a, v7r and v7m.
1695         (RETLDM): Add Thumb-2 code.
1696         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
1697         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
1698         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
1699         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
1700         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
1701         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
1702         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
1703         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
1704         ADJUST_INSN_LENGTH): Define.
1705         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
1706         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
1707         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
1708         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
1709         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1710         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
1711         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
1712         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
1713         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
1714         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
1715         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
1716         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
1717         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
1718         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
1719         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
1720         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
1721         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
1722         cortex-m3.
1723         * config/arm/arm-tune.md: Regenerate.
1724         * config/arm/arm-protos.h: Update prototypes.
1725         * config/arm/vfp.md: Enable patterns for Thumb-2.
1726         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
1727         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
1728         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
1729         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
1730         * config/arm/libunwind.S: Add Thumb-2 code.
1731         * config/arm/constraints.md: Update include Thumb-2.
1732         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
1733         * config/arm/ieee754-df.S: Ditto.
1734         * config/arm/bpabi.S: Ditto.
1735         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
1736         * config/arm/predicates.md (low_register_operand,
1737         low_reg_or_int_operand, thumb_16bit_operator): New.
1738         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
1739         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
1740         * config/arm/t-arm-elf: Add armv7 multilib.
1741         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
1742         Include thumb2.md.
1743         (UNSPEC_STACK_ALIGN, ce_count): New.
1744         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
1745         arm_zero_extendsidi2, arm_zero_extendqidi2): New
1746         insns/expanders.
1747         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
1748         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
1749         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
1750         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
1751         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
1752         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
1753         insns.
1754         * doc/extend.texi: Document ARMv7-M interrupt functions.
1755         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
1756
1757 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
1758
1759         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
1760         (struct _Unwind_Context): Rename args_size to flags, remove
1761         signal_frame field, add a new args_size field and version field.
1762         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
1763         _Unwind_IsExtendedContext): New inline functions.
1764         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1765         Assume by_value array is only present if _Unwind_IsExtendedContext.
1766         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
1767         _Unwind_IsSignalFrame.
1768         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
1769         (uw_update_context_1): Use _Unwind_SetSignalFrame.
1770         (uw_init_context_1): Initialize context->flags to
1771         EXTENDED_CONTEXT_BIT.
1772         * config/rs6000/linux-unwind.h (frob_update_context): Use
1773         _Unwind_SetSignalFrame.
1774
1775 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1776
1777         PR middle-end/30353
1778         * gimplify.c (gimplify_modify_expr_complex_part): Move below
1779         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
1780         the value.
1781
1782 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
1783
1784         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
1785         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
1786         RET, AT_SP): Remove.
1787         * config/i386/i386.md (*sse_prologue_save_insn): Use return
1788         instead of RET.
1789
1790         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1791         * cfgbuild.c (find_basic_blocks): Likewise.
1792         * cfgrtl.c (rtl_create_basic_block): Likewise.
1793         * function.c (temp_slots_at_level): Likewise.
1794         * reg-stack.c (stack_regs_mentioned): Likewise.
1795         * regclass.c (allocate_reg_info): Likewise.
1796         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1797         set_bb_for_stmt, move_block_to_fn): Likewise.
1798         * tree-complex.c (tree_lower_complex): Likewise.
1799         * vec.h (VEC_safe_grow_cleared): New.
1800
1801         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1802
1803 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
1804
1805         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1806         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1807         to loop_version.
1808         * cfgloopmanip.c (scale_loop_frequencies): Export.
1809         (loopify): Scale the frequencies by prescribed coefficients.
1810         (set_zero_probability): New function.
1811         (duplicate_loop_to_header_edge): Improve updating of frequencies.
1812         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1813         and frequencies according to arguments.
1814         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1815         correctly.
1816         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1817         * modulo-sched.c (sms_schedule): Set probabilities for entering
1818         versioned loop correctly.
1819         * tree-vect-transform.c (vect_transform_loop): Ditto.
1820         * cfgloop.h (loopify, loop_version): Declaration changed.
1821         (scale_loop_frequencies): Declared.
1822
1823 2007-01-02  Jan Hubicka  <jh@suse.cz>
1824
1825         * cgraph.c: Include tree-flow.h
1826         (cgraph_add_new-function): Handle IPA_SSA mode; execute
1827         early_local_passes.
1828         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1829         * tree-pass.h (pass_all_early_optimizations): Declare.
1830         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1831         early_local_passes.
1832         (cgraph_analyze_function): Do early_local_passes.
1833         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1834         Do not add referenced vars.
1835         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1836         SSA form.
1837         (gate_all_early_local_passes): New gate.
1838         (pass_early_local_passes): Use new gate.
1839         (execute_early_local_optimizations): New functions.
1840         (gate_all_early_optimizations): New gate.
1841         (pass_all_early_optimizations): New pass.
1842         (execute_free_datastructures): Free SSA only when initialized.
1843         (gate_init_datastructures): Init only when optimizing.
1844         (tree_lowering_passes): Do early local passes when called late.
1845         * tree-profile.c (do_tree_profiling): Don't profile functions added
1846         late.
1847         (do_early_tree_profiling, pass_early_tree_profile): Kill.
1848         * tree-cfg.c (update_modified_stmts): Do not update when operands are
1849         not active.
1850         * passes.c (init_optimizations_passes): Reorder so we go into SSA
1851         during early_local_passes.
1852         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1853
1854
1855 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1856
1857         * Makefile.in: Update copyright year.
1858
1859 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1860
1861         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1862         in $(lang_checks) and check-consistency targets.
1863
1864 2007-01-02  Jan Hubicka  <jh@suse.cz>
1865
1866         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1867         Do not add referenced vars.
1868         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1869         are not active.
1870         * passes.c (init_optimization_passes): Put mudflap_2 after
1871         free_datastructures.
1872
1873 2007-01-02  Jan Hubicka  <jh@suse.cz>
1874
1875         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1876         Set NOTHROW flag on call statements proved to be nothrow.
1877         Update statement of local calls so new pure/const functions are
1878         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1879         goto receivers.
1880         (tree_rest_of_compilation): Register hooks and initialize bitmap
1881         early. Do not set after_inlining flag.
1882
1883 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
1884
1885         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
1886         HOST_BITS_PER_LONGLONG
1887
1888 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1889
1890         PR c/19977
1891         * c-typeck.c (store_init_value): Don't emit pedantic overflow
1892         warning for non-static initializers.
1893
1894 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
1895
1896         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1897         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1898         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1899         Always use set_unique_reg_note to add REG_EQUAL notes.
1900
1901 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1902
1903         Revert:
1904         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1905
1906         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1907         * cfgbuild.c (find_basic_blocks): Likewise.
1908         * cfgrtl.c (rtl_create_basic_block): Likewise.
1909         * function.c (temp_slots_at_level): Likewise.
1910         * reg-stack.c (stack_regs_mentioned): Likewise.
1911         * regclass.c (allocate_reg_info): Likewise.
1912         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1913         set_bb_for_stmt, move_block_to_fn): Likewise.
1914         * tree-complex.c (tree_lower_complex): Likewise.
1915         * vec.h (VEC_safe_grow_cleared): New.
1916
1917 2007-01-02  Ian Lance Taylor  <iant@google.com>
1918
1919         * c-common.c (c_common_truthvalue_conversion): When warning about
1920         using an assignment as a truth value, set TREE_NO_WARNING.
1921
1922 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1923
1924         PR middle-end/7651
1925         * c.opt (Wold-style-declaration): New.
1926         * doc/invoke.texi (C-only Warning Options): New.
1927         (Wold-style-declaration): Document it.
1928         (Wextra): Enabled by -Wextra.
1929         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1930         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
1931         -Wold-style-declaration.
1932
1933 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1934
1935         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1936         * cfgbuild.c (find_basic_blocks): Likewise.
1937         * cfgrtl.c (rtl_create_basic_block): Likewise.
1938         * function.c (temp_slots_at_level): Likewise.
1939         * reg-stack.c (stack_regs_mentioned): Likewise.
1940         * regclass.c (allocate_reg_info): Likewise.
1941         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1942         set_bb_for_stmt, move_block_to_fn): Likewise.
1943         * tree-complex.c (tree_lower_complex): Likewise.
1944         * vec.h (VEC_safe_grow_cleared): New.
1945
1946 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
1947
1948         * c-common.c(c_common_nodes_and_builtins): Since variants of
1949         void_type_node get built before it is given a name, we need to
1950         give those variants the name, too.
1951         (complete_array_type): We need to work with the canonical main
1952         type of the array, from which we will build the qualified version.
1953         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
1954         * print-tree.c (print_node): Display canonical type information
1955         for each type.
1956         * stor-layout.c (layout_type): When we don't know the
1957         alignment of a type for which we're building an array, we end up
1958         guessing wrong, so make the type require structural equality.
1959         * tree.c (make_node_stat): When we build a new type, it is its
1960         own canonical type.
1961         (build_type_attribute_qual_variant): When building an attribute
1962         variant, its canonical type is the non-attribute variant. However,
1963         if the attributes are target-dependent and they differ, we need to
1964         use structural equality checks for this type.
1965         (build_qualified_type): A qualified type is not equivalent to its
1966         unqualified variant; set the canonical type appropriately.
1967         (build_distinct_type_copy): When building a distinct type from
1968         another type, the new type is its own canonical type.
1969         (build_variant_type_copy): When building a new type variant, we
1970         assume that it is equivalent to the original type.
1971         (build_pointer_type_for_mode): When building a pointer type, also
1972         build a canonical type pointer.
1973         (build_reference_type_for_mode): When building a reference type,
1974         also build a canonical type reference.
1975         (build_index_type): When we can't hash an index type (e.g.,
1976         because its maximum value is negative), the index type requires
1977         structural equality tests.
1978         (build_array_type): Build the canonical form of an array type.
1979         (build_function_type): Function types require structural equality,
1980         because they contain default arguments, attributes, etc.
1981         (build_method_type_directly): Ditto for method types.
1982         (build_offset_type): Build the canonical offset type.
1983         (build_complex_type): Build the canonical vector type.
1984         (make_vector_type): Build the canonical vector type.
1985         * tree.h (TYPE_CANONICAL): New.
1986         (TYPE_STRUCTURAL_EQUALITY_P): New.
1987         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1988         (struct tree_type): Added "canonical" field.
1989         * params.h (VERIFY_CANONICAL_TYPES): New.
1990         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1991         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1992         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1993         * doc/invoke.texi (verify-canonical-types): Document --param
1994         parameter for verifying canonical types.
1995
1996 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1997
1998         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1999         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2000         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2001         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2002         tm_file.
2003         * config/rs6000/e500.h: New.
2004         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2005         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2006         Remove.
2007         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2008         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2009         TARGET_E500_DOUBLE): Remove.
2010         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2011         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2012         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2013         * config/rs6000/rs6000.c (rs6000_override_options): Use
2014         CHECK_E500_OPTIONS.
2015
2016 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2017
2018         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2019         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2020         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2021         rs6000_emit_cmove): Don't check TARGET_E500.
2022         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2023         sordered): Don't check TARGET_E500.
2024
2025 2007-01-01  Eric Christopher  <echristo@apple.com>
2026
2027         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2028         HARD_REGISTER_NUM_P.
2029
2030 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2031
2032         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2033         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2034         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2035         eq/ne Y".
2036
2037 2007-01-01  Mike Stump  <mrs@apple.com>
2038
2039         * configure.ac: Remove support for building with Apple's gcc-3.1.
2040
2041 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2042
2043         PR middle-end/30311
2044         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2045         REG is a hard register.  Do not modify REG before calling
2046         subreg_nregs.
2047         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2048         multiple of the size of YMODE for certain lowpart cases.
2049
2050 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2051
2052         PR middle-end/30253
2053         * gimplify (voidify_wrapper_expr): Update for
2054         GIMPLE_MODIFY_STMT.
2055
2056 2007-01-01  Andreas Schwab  <schwab@suse.de>
2057
2058         PR target/29166
2059         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2060         save of BR0 in extra_spill_size instead of spill_size.
2061         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2062         area.
2063         (ia64_expand_epilogue): Restore BR0 from its new location.
2064
2065 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2066
2067         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2068         Use a temporary variable if the left hand side is not a gimple
2069         register.
2070
2071 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2072
2073         * gimplify.c (gimplify_return_expr): Make the temporary variable
2074         for the return expression, a gimple register variable.
2075
2076 2007-01-01  Jan Hubicka  <jh@suse.cz>
2077
2078         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2079         INSN_LIST.
2080
2081 2007-01-01  Mike Stump  <mrs@apple.com>
2082
2083         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2084         .literal16.
2085         * config/darwin.c (machopic_select_rtx_section): Use
2086         HAVE_GAS_LITERAL16.
2087         (darwin_mergeable_constant_section): Likewise.
2088         * configure: Regenerate.
2089         * config.in: Regenerate.
2090
2091 2007-01-01  Jan Hubicka  <jh@suse.cz>
2092             Andrew Pinski  <pinskia@gmail.com>
2093
2094         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
2095         before starting IPA passes.