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12         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.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