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* builtins.def (va_start, va_end, va_copy): Mark nothrow.
[thirdparty/gcc.git] / gcc / ChangeLog
CommitLineData
6d14c006
JH		 12009-04-15 Jan Hubicka <jh@suse.cz>
2
3 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4
5afaa917
NS		 52009-04-15 Nathan Sidwell <nathan@codesourcery.com>
6
7 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
8 our distinct integral and vector types.
9
3b482fca
RAE		 102009-04-15 Rafael Avila de Espindola <espindola@google.com>
11
12 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
13 * init.c (build_vtbl_address): Remove call to assemble_external.
14
6cd1d2e2
DJ		 152009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
16
17 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
18 output for other floating point modes.
19
dab71827
DN		 202009-04-14 Diego Novillo <dnovillo@google.com>
21
22 * diagnostic.c (diagnostic_report_diagnostic): Do not
23 warn about loaded plugins for DK_ERROR and DK_WARNING.
24 * c-decl.c (declspecs_add_type): Move call to
25 invoke_plugin_callbacks ...
26 * c-parser.c (c_parser_declspecs): ... here.
27 * plugin.c (dump_active_plugins): Tidy output.
28
68a607d8
DN		 292009-04-14 Diego Novillo <dnovillo@google.com>
30 Le-Chun Wu <lcwu@google.com>
31
32 * configure.ac: Add --enable-plugin support.
33 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
34 * Makefile.in (PLUGIN_H): Define.
35 Export ENABLE_PLUGIN and GMPINC to site.exp.
36 Add PLUGINLIBS to link command.
37 Add/modify dependencies for plugin.o and files including plugin.h.
38 (plugin.o): New.
39 * config.in: Regenerate.
40
41 * opts.c (common_handle_option): Handle OPT_fplugin_ and
42 OPT_fplugin_arg_.
43
442009-04-14 Le-Chun Wu <lcwu@google.com>
45
46 * tree-pass.h (register_one_dump_file): Add a prototype for
47 register_one_dump_file.
48 * toplev.c (compile_file): Call initialize_plugins.
49 (do_compile): Call invoke_plugin_callbacks.
50 (toplev_main): Call invoke_plugin_callbacks.
51 * common.opt: Add -fplugin= and -fplugin-arg-.
52 * gcc-plugin.h: New public header file for plugins to include.
53 * plugin.c: New source file.
54 * plugin.h: New internal header file.
55 * passes.c (register_one_dump_file): Make it external.
56
57 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
58
592009-04-14 Diego Novillo <dnovillo@google.com>
60
61 * doc/plugins.texi: New.
62 * doc/gccint.texi: Add reference to Plugins chapter.
63 * doc/invoke.texi: Document -fplugin and -fplugin-arg
64 * diagnostic.c (diagnostic_report_diagnostic): Warn about
65 loaded plugins, if any.
66 * timevar.def (TV_PLUGIN_INIT): Define.
67 (TV_PLUGIN_RUN): Define.
68 * plugin.c: Include timevar.h
69 (plugins_active_p): New.
70 (dump_active_plugins): New.
71 (debug_active_plugins): New.
72
50617257
JM		 732009-04-14 Joseph Myers <joseph@codesourcery.com>
74
75 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
76 library paths.
77 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
78
b32f6fff
KH		 792009-04-14 Kazu Hirata <kazu@codesourcery.com>
80
81 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
82 the same as a minus without a shift.
83
85d04fa2
NC		 842009-04-14 Nick Clifton <nickc@redhat.com>
85
86 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
87 comparisons with small integers will always produce a short
88 branch.
89
e495a0c8
RAE		 902009-04-14 Rafael Avila de Espindola <espindola@google.com>
91
92 Merge:
93
94 2008-12-19 Diego Novillo <dnovillo@google.com>
95
68a607d8 96 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
e495a0c8 97
587aa063
RG		 982000-04-14 Richard Guenther <rguenther@suse.de>
99
100 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
101 verification.
102 (verify_gimple_assign_binary): Likewise. Handle shifts and
103 rotates correctly.
104 (verify_gimple_phi): Print the mismatched argument position.
105 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
106 Fix types.
107 (vect_update_init_of_dr): Likewise.
108 * matrix-reorg.c (transform_access_sites): Do what the
109 comment suggests.
110 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
111
9eca1774
ME		 1122009-04-13 Michael Eager <eager@eagercon.com>
113
114 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
115 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
116 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
117 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
118 remove duplicate config
119
b0e2d008
DR		 1202009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
121
122 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
123 file_name:line_number type locator of the call site.
124
1244a8b7
VM		 1252009-04-13 Vladimir Makarov <vmakarov@redhat.com>
126
127 * genautomata.c: Put blank after comma.
128 (automaton_decls): New.
129 (struct unit_usage): Add comments to member next.
130 (store_alt_unit_usage): Keep the list ordered.
131 (unit_present_on_list_p, equal_alternatives_p): New.
132 (check_regexp_units_distribution): Check units distribution
133 correctness correctly.
134 (main): Don't write automata if error is found. Return correct
135 exit code.
136
137 * config/m68k/cf.md (cfv4_ds): Remove.
138 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
139 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
140
141 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
142 power4-load-ext, power4-store, power4-store-update,
143 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
144 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
145 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
146 power4-sqrt, power4-isync): Modify reservation to make correct
147 unit distribution to automata.
148
149 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
150 power5-store-update, power5-two, power5-three, power5-lmul,
151 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
152
f7dd1864
AN		 1532009-04-13 Adam Nemet <anemet@caviumnetworks.com>
154
155 * except.c (pass_set_nothrow_function_flags): Set name and add
156 TODO_dump_func.
157 (set_nothrow_function_flags): Mention in the dump file when
158 changing a function to nothrow.
159
59a1171f
OS		 1602009-04-13 Ozkan Sezer <sezeroz@gmail.com>
161
162 PR/39066
163 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
164 instead of unsigned long.
165
934c2060
RR		 1662009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
167
f7dd1864
AN		 168 * config/arm/arm.c (return_used_this_function): Remove.
169 (arm_output_function_prologue): Remove use of
934c2060 170 return_used_this_function.
f7dd1864 171 (output_return_instruction): Replace use of
934c2060
RR		 172 return_used_this_function
173 by cfun->machine->return_used_this_function.
f7dd1864
AN		 174 (arm_output_epilogue): Likewise.
175 (arm_output_function_epilogue): Likewise.
176 (thumb_unexpanded_epilogue): Likewise.
177 * config/arm/arm.h (struct machine_function):
934c2060 178 New member return_used_this_function.
f7dd1864 179
ae5cc016
MM		 1802009-04-12 Mark Mitchell <mark@codesourcery.com>
181
182 * doc/install.texi: Correct description of default directory for
183 --with-gxx-include-dir.
184
a0ce68df 1852009-04-12 Eric Botcazou <ebotcazou@adacore.com>
849d624b
EB		 186
187 * fold-const.c (build_range_check): Properly deal with enumeral and
188 boolean base types.
189
3906a4a1
SB		 1902009-04-12 Steven Bosscher <steven@gcc.gnu.org>
191
192 * doc/invoke.texi (max_gcse_passes): Remove documentation.
193 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
194 * params.h (MAX_GCSE_PASSES): Remove.
195 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
196 in sequence. Remove ability to run multiple passes.
197 (bypass_jumps): Report run as third CPROP pass.
198
efaadb93
AN		 1992009-04-12 Adam Nemet <anemet@caviumnetworks.com>
200
201 PR middle-end/39651
202 * except.c (can_throw_external): Look at each insn in a SEQUENCE
203 when deciding whether the whole SEQUENCE can throw.
204
4c48007b
UB		 2052009-04-12 Uros Bizjak <ubizjak@gmail.com>
206
207 PR target/39740
208 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
209 offseted label references.
210
b4104018
JH		 2112009-04-11 Jan Hubicka <jh@suse.cz>
212
213 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
214
32848948
RG		 2152009-04-11 Richard Guenther <rguenther@suse.de>
216
217 PR middle-end/39732
218 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
219 return variables as TREE_ADDRESSABLE.
220
8810712e
RG		 2212009-04-11 Richard Guenther <rguenther@suse.de>
222
223 PR tree-optimization/39713
224 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
225 reference trees have SSA_NAME operands.
226
fa78c0c1
RG		 2272009-04-11 Richard Guenther <rguenther@suse.de>
228
229 PR c/39712
230 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
231 address expressions.
232
4d722130
DK		 2332009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
234
235 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
236 match changes in Cygwin 1.7
237 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
238 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
239
567a90f5
PB		 2402009-04-10 Paolo Bonzini <bonzini@gnu.org>
241
242 PR tree-optimization/39701
243 * doc/invoke.texi (Optimization Options): Document change in
244 meaning and initialization of -fdelete-null-pointer-checks.
245
1ad2f450
L		 2462009-04-10 H.J. Lu <hongjiu.lu@intel.com>
247
248 PR middle-end/39701
249 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
250
251 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
252 here.
253
254 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
255
1afc5373
CF		 2562009-04-10 Chao-ying Fu <fu@mips.com>
257
258 * doc/tm.texi (Instruction Output): Document
259 TARGET_ASM_FINAL_POSTSCAN_INSN.
260 * target.h (final_postscan_insn): New field in asm_out.
261 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
262 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
263 * final.c (final_scan_insn): Call
264 targetm.asm_out.final_postscan_insn after outputting
265 an asm macro and a normal instruction.
266
267 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
268 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
269 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
270 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
271 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
272
4d35e75c
PB		 2732009-04-10 Paolo Bonzini <bonzini@gnu.org>
274
275 PR middle-end/39701
1ad2f450
L		 276 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
277 variables as non-NULL even with -fdelete-null-pointer-checks.
4d35e75c 278
62c49b83
L		 2792009-04-10 H.J. Lu <hongjiu.lu@intel.com>
280
281 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
282
80558628
L		 2832009-04-09 H.J. Lu <hongjiu.lu@intel.com>
284
285 PR target/39678
286 * config/i386/i386.c (classify_argument): Handle SCmode with
287 (bit_offset % 64) != 0.
288
8c70d28b
SL		 2892009-04-09 Sandra Loosemore <sandra@codesourcery.com>
290
291 * doc/invoke.texi (Optimize Options): Add cross-reference to
292 -Q --help=optimizers examples.
293
e1ff19bf
BE		 2942009-04-10 Ben Elliston <bje@au.ibm.com>
295
296 PR target/36800
297 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
298 regalign for the reg == fpr and TDmode case.
299
52daca75
DA		 3002009-04-09 David Ayers <ayers@fsfe.org>
301
302 PR objc/29200
303 * objc/objc-act.c (warn_with_method): Remove helper function.
304 (check_duplicates): Call warning and inform directly.
305 (really_start_method): Likewise.
306
b45f0e58
PB		 3072009-04-09 Paolo Bonzini <bonzini@gnu.org>
308
309 * expmed.c (expand_divmod): Always use a comparison for a division
310 by a large unsigned integer.
311
1ad2f450
L		 312 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
313 for things others than variables or functions as nonzero.
b45f0e58 314
748086b7
JJ		 3152009-04-09 Nick Clifton <nickc@redhat.com>
316
317 * unwind-compat.c: Change copyright header to refer to version
318 3 of the GNU General Public License with version 3.1 of the
319 GCC Runtime Library Exception and to point readers at the
7a715bba 320 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
748086b7
JJ		 321 * config/alpha/crtfastmath.c: Likewise.
322 * config/alpha/linux-unwind.h: Likewise.
323 * config/alpha/qrnnd.asm: Likewise.
324 * config/alpha/vms-crt0-64.c: Likewise.
325 * config/alpha/vms-crt0.c: Likewise.
326 * config/alpha/vms-dwarf2.asm: Likewise.
327 * config/alpha/vms-dwarf2eh.asm: Likewise.
328 * config/alpha/vms-psxcrt0-64.c: Likewise.
329 * config/alpha/vms-psxcrt0.c: Likewise.
330 * config/alpha/vms_tramp.asm: Likewise.
331 * config/arc/initfini.c: Likewise.
332 * config/arc/lib1funcs.asm: Likewise.
333 * config/arm/bpabi-v6m.S: Likewise.
334 * config/arm/bpabi.S: Likewise.
335 * config/arm/bpabi.c: Likewise.
336 * config/arm/crti.asm: Likewise.
337 * config/arm/crtn.asm: Likewise.
338 * config/arm/ieee754-df.S: Likewise.
339 * config/arm/ieee754-sf.S: Likewise.
340 * config/arm/lib1funcs.asm: Likewise.
341 * config/arm/libunwind.S: Likewise.
342 * config/arm/linux-atomic.c: Likewise.
343 * config/arm/mmintrin.h: Likewise.
344 * config/arm/pr-support.c: Likewise.
345 * config/arm/unaligned-funcs.c: Likewise.
346 * config/arm/unwind-arm.c: Likewise.
347 * config/arm/unwind-arm.h: Likewise.
348 * config/avr/libgcc.S: Likewise.
349 * config/bfin/crti.s: Likewise.
350 * config/bfin/crtlibid.s: Likewise.
351 * config/bfin/crtn.s: Likewise.
352 * config/bfin/lib1funcs.asm: Likewise.
353 * config/bfin/linux-unwind.h: Likewise.
354 * config/cris/arit.c: Likewise.
355 * config/cris/cris_abi_symbol.c: Likewise.
356 * config/darwin-64.c: Likewise.
357 * config/darwin-crt2.c: Likewise.
358 * config/darwin-crt3.c: Likewise.
359 * config/darwin.h: Likewise.
360 * config/dbxelf.h: Likewise.
361 * config/dfp-bit.c: Likewise.
362 * config/dfp-bit.h: Likewise.
363 * config/elfos.h: Likewise.
364 * config/fixed-bit.c: Likewise.
365 * config/fixed-bit.h: Likewise.
366 * config/fp-bit.c: Likewise.
367 * config/fp-bit.h: Likewise.
368 * config/fr30/crti.asm: Likewise.
369 * config/fr30/crtn.asm: Likewise.
370 * config/fr30/lib1funcs.asm: Likewise.
371 * config/freebsd-spec.h: Likewise.
372 * config/frv/cmovd.c: Likewise.
373 * config/frv/cmovh.c: Likewise.
374 * config/frv/cmovw.c: Likewise.
375 * config/frv/frvbegin.c: Likewise.
376 * config/frv/frvend.c: Likewise.
377 * config/frv/lib1funcs.asm: Likewise.
378 * config/glibc-stdint.h: Likewise.
379 * config/h8300/clzhi2.c: Likewise.
380 * config/h8300/crti.asm: Likewise.
381 * config/h8300/crtn.asm: Likewise.
382 * config/h8300/ctzhi2.c: Likewise.
383 * config/h8300/fixunssfsi.c: Likewise.
384 * config/h8300/lib1funcs.asm: Likewise.
385 * config/h8300/parityhi2.c: Likewise.
386 * config/h8300/popcounthi2.c: Likewise.
387 * config/i386/ammintrin.h: Likewise.
388 * config/i386/att.h: Likewise.
389 * config/i386/avxintrin.h: Likewise.
390 * config/i386/biarch64.h: Likewise.
391 * config/i386/bmmintrin.h: Likewise.
392 * config/i386/cpuid.h: Likewise.
393 * config/i386/cross-stdarg.h: Likewise.
394 * config/i386/crtfastmath.c: Likewise.
395 * config/i386/crtprec.c: Likewise.
396 * config/i386/cygming-crtbegin.c: Likewise.
397 * config/i386/cygming-crtend.c: Likewise.
398 * config/i386/cygwin.asm: Likewise.
399 * config/i386/emmintrin.h: Likewise.
400 * config/i386/gmm_malloc.h: Likewise.
401 * config/i386/gthr-win32.c: Likewise.
402 * config/i386/i386.h: Likewise.
403 * config/i386/immintrin.h: Likewise.
404 * config/i386/linux-unwind.h: Likewise.
405 * config/i386/linux64.h: Likewise.
406 * config/i386/mm3dnow.h: Likewise.
407 * config/i386/mmintrin-common.h: Likewise.
408 * config/i386/mmintrin.h: Likewise.
409 * config/i386/nmmintrin.h: Likewise.
410 * config/i386/pmm_malloc.h: Likewise.
411 * config/i386/pmmintrin.h: Likewise.
412 * config/i386/smmintrin.h: Likewise.
413 * config/i386/sol2-c1.asm: Likewise.
414 * config/i386/sol2-ci.asm: Likewise.
415 * config/i386/sol2-cn.asm: Likewise.
416 * config/i386/sol2-gc1.asm: Likewise.
417 * config/i386/tmmintrin.h: Likewise.
418 * config/i386/unix.h: Likewise.
419 * config/i386/w32-unwind.h: Likewise.
420 * config/i386/wmmintrin.h: Likewise.
421 * config/i386/x86-64.h: Likewise.
422 * config/i386/x86intrin.h: Likewise.
423 * config/i386/xmmintrin.h: Likewise.
424 * config/ia64/crtbegin.asm: Likewise.
425 * config/ia64/crtend.asm: Likewise.
426 * config/ia64/crtfastmath.c: Likewise.
427 * config/ia64/crti.asm: Likewise.
428 * config/ia64/crtn.asm: Likewise.
429 * config/ia64/fde-glibc.c: Likewise.
430 * config/ia64/lib1funcs.asm: Likewise.
431 * config/ia64/linux-unwind.h: Likewise.
432 * config/ia64/quadlib.c: Likewise.
433 * config/ia64/unwind-ia64.c: Likewise.
434 * config/linux.h: Likewise.
435 * config/m32c/m32c-lib1.S: Likewise.
436 * config/m32c/m32c-lib2-trapv.c: Likewise.
437 * config/m32c/m32c-lib2.c: Likewise.
438 * config/m32r/initfini.c: Likewise.
439 * config/m68hc11/larith.asm: Likewise.
440 * config/m68hc11/m68hc11-crt0.S: Likewise.
441 * config/m68k/cf.md: Likewise.
442 * config/m68k/crti.s: Likewise.
443 * config/m68k/crtn.s: Likewise.
444 * config/m68k/lb1sf68.asm: Likewise.
445 * config/m68k/linux-unwind.h: Likewise.
446 * config/mcore/crti.asm: Likewise.
447 * config/mcore/crtn.asm: Likewise.
448 * config/mcore/lib1.asm: Likewise.
449 * config/mips/linux-unwind.h: Likewise.
450 * config/mips/loongson.h: Likewise.
451 * config/mips/mips16.S: Likewise.
452 * config/mmix/crti.asm: Likewise.
453 * config/mmix/crtn.asm: Likewise.
454 * config/pa/fptr.c: Likewise.
455 * config/pa/hpux-unwind.h: Likewise.
456 * config/pa/lib2funcs.asm: Likewise.
457 * config/pa/linux-atomic.c: Likewise.
458 * config/pa/linux-unwind.h: Likewise.
459 * config/pa/milli64.S: Likewise.
460 * config/pa/quadlib.c: Likewise.
461 * config/pa/stublib.c: Likewise.
462 * config/picochip/libgccExtras/adddi3.asm: Likewise.
463 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
464 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
465 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
466 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
467 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
468 * config/picochip/libgccExtras/divmod15.asm: Likewise.
469 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
470 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
471 * config/picochip/libgccExtras/longjmp.asm: Likewise.
472 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
473 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
474 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
475 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
476 * config/picochip/libgccExtras/setjmp.asm: Likewise.
477 * config/picochip/libgccExtras/subdi3.asm: Likewise.
478 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
479 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
480 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
481 * config/rs6000/750cl.h: Likewise.
482 * config/rs6000/altivec.h: Likewise.
483 * config/rs6000/biarch64.h: Likewise.
484 * config/rs6000/crtresfpr.asm: Likewise.
485 * config/rs6000/crtresgpr.asm: Likewise.
486 * config/rs6000/crtresxfpr.asm: Likewise.
487 * config/rs6000/crtresxgpr.asm: Likewise.
488 * config/rs6000/crtsavfpr.asm: Likewise.
489 * config/rs6000/crtsavgpr.asm: Likewise.
490 * config/rs6000/darwin-asm.h: Likewise.
491 * config/rs6000/darwin-fallback.c: Likewise.
492 * config/rs6000/darwin-fpsave.asm: Likewise.
493 * config/rs6000/darwin-ldouble.c: Likewise.
494 * config/rs6000/darwin-tramp.asm: Likewise.
495 * config/rs6000/darwin-unwind.h: Likewise.
496 * config/rs6000/darwin-vecsave.asm: Likewise.
497 * config/rs6000/darwin-world.asm: Likewise.
498 * config/rs6000/e500crtres32gpr.asm: Likewise.
499 * config/rs6000/e500crtres64gpr.asm: Likewise.
500 * config/rs6000/e500crtres64gprctr.asm: Likewise.
501 * config/rs6000/e500crtrest32gpr.asm: Likewise.
502 * config/rs6000/e500crtrest64gpr.asm: Likewise.
503 * config/rs6000/e500crtresx32gpr.asm: Likewise.
504 * config/rs6000/e500crtresx64gpr.asm: Likewise.
505 * config/rs6000/e500crtsav32gpr.asm: Likewise.
506 * config/rs6000/e500crtsav64gpr.asm: Likewise.
507 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
508 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
509 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
510 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
511 * config/rs6000/eabi-ci.asm: Likewise.
512 * config/rs6000/eabi-cn.asm: Likewise.
513 * config/rs6000/eabi.asm: Likewise.
514 * config/rs6000/linux-unwind.h: Likewise.
515 * config/rs6000/linux64.h: Likewise.
516 * config/rs6000/paired.h: Likewise.
517 * config/rs6000/paired.md: Likewise.
518 * config/rs6000/ppc64-fp.c: Likewise.
519 * config/rs6000/ppu_intrinsics.h: Likewise.
520 * config/rs6000/rs6000.h: Likewise.
521 * config/rs6000/si2vmx.h: Likewise.
522 * config/rs6000/sol-ci.asm: Likewise.
523 * config/rs6000/sol-cn.asm: Likewise.
524 * config/rs6000/spe.h: Likewise.
525 * config/rs6000/spu2vmx.h: Likewise.
526 * config/rs6000/sysv4.h: Likewise.
527 * config/rs6000/tramp.asm: Likewise.
528 * config/rs6000/vec_types.h: Likewise.
529 * config/s390/linux-unwind.h: Likewise.
530 * config/s390/tpf-unwind.h: Likewise.
531 * config/score/crti.asm: Likewise.
532 * config/score/crtn.asm: Likewise.
533 * config/sh/crt1.asm: Likewise.
534 * config/sh/crti.asm: Likewise.
535 * config/sh/crtn.asm: Likewise.
536 * config/sh/divtab-sh4-300.c: Likewise.
537 * config/sh/divtab-sh4.c: Likewise.
538 * config/sh/divtab.c: Likewise.
539 * config/sh/lib1funcs-4-300.asm: Likewise.
540 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
541 * config/sh/lib1funcs.asm: Likewise.
542 * config/sh/lib1funcs.h: Likewise.
543 * config/sh/linux-atomic.asm: Likewise.
544 * config/sh/linux-unwind.h: Likewise.
545 * config/sh/shmedia.h: Likewise.
546 * config/sh/sshmedia.h: Likewise.
547 * config/sh/ushmedia.h: Likewise.
548 * config/sparc/crtfastmath.c: Likewise.
549 * config/sparc/linux-unwind.h: Likewise.
550 * config/sparc/sol2-c1.asm: Likewise.
551 * config/sparc/sol2-ci.asm: Likewise.
552 * config/sparc/sol2-cn.asm: Likewise.
553 * config/spu/divmodti4.c: Likewise.
554 * config/spu/divv2df3.c: Likewise.
555 * config/spu/float_disf.c: Likewise.
556 * config/spu/float_unsdidf.c: Likewise.
557 * config/spu/float_unsdisf.c: Likewise.
558 * config/spu/float_unssidf.c: Likewise.
559 * config/spu/mfc_multi_tag_release.c: Likewise.
560 * config/spu/mfc_multi_tag_reserve.c: Likewise.
561 * config/spu/mfc_tag_release.c: Likewise.
562 * config/spu/mfc_tag_reserve.c: Likewise.
563 * config/spu/mfc_tag_table.c: Likewise.
564 * config/spu/multi3.c: Likewise.
565 * config/spu/spu_internals.h: Likewise.
566 * config/spu/spu_intrinsics.h: Likewise.
567 * config/spu/spu_mfcio.h: Likewise.
568 * config/spu/vec_types.h: Likewise.
569 * config/spu/vmx2spu.h: Likewise.
570 * config/stormy16/stormy16-lib2.c: Likewise.
571 * config/svr4.h: Likewise.
572 * config/sync.c: Likewise.
573 * config/v850/lib1funcs.asm: Likewise.
574 * config/vxlib-tls.c: Likewise.
575 * config/vxlib.c: Likewise.
576 * config/vxworks-dummy.h: Likewise.
577 * config/xtensa/crti.asm: Likewise.
578 * config/xtensa/crtn.asm: Likewise.
579 * config/xtensa/ieee754-df.S: Likewise.
580 * config/xtensa/ieee754-sf.S: Likewise.
581 * config/xtensa/lib1funcs.asm: Likewise.
582 * config/xtensa/lib2funcs.S: Likewise.
583 * config/xtensa/linux-unwind.h: Likewise.
584 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
585 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
586 * coretypes.h: Likewise.
587 * crtstuff.c: Likewise.
588 * defaults.h: Likewise.
589 * dwarf2.h: Likewise.
590 * emutls.c: Likewise.
591 * gbl-ctors.h: Likewise.
592 * gcov-io.h: Likewise.
593 * ginclude/float.h: Likewise.
594 * ginclude/iso646.h: Likewise.
595 * ginclude/stdarg.h: Likewise.
596 * ginclude/stdbool.h: Likewise.
597 * ginclude/stddef.h: Likewise.
598 * ginclude/stdfix.h: Likewise.
599 * ginclude/stdint-gcc.h: Likewise.
600 * ginclude/tgmath.h: Likewise.
601 * gthr-aix.h: Likewise.
602 * gthr-dce.h: Likewise.
603 * gthr-gnat.c: Likewise.
604 * gthr-gnat.h: Likewise.
605 * gthr-lynx.h: Likewise.
606 * gthr-mipssde.h: Likewise.
607 * gthr-nks.h: Likewise.
608 * gthr-posix.c: Likewise.
609 * gthr-posix.h: Likewise.
610 * gthr-posix95.h: Likewise.
611 * gthr-rtems.h: Likewise.
612 * gthr-single.h: Likewise.
613 * gthr-solaris.h: Likewise.
614 * gthr-tpf.h: Likewise.
615 * gthr-vxworks.h: Likewise.
616 * gthr-win32.h: Likewise.
617 * gthr.h: Likewise.
618 * libgcc2.c: Likewise.
619 * libgcc2.h: Likewise.
620 * libgcov.c: Likewise.
621 * tsystem.h: Likewise.
622 * typeclass.h: Likewise.
623 * unwind-c.c: Likewise.
624 * unwind-compat.h: Likewise.
625 * unwind-dw2-fde-compat.c: Likewise.
626 * unwind-dw2-fde-darwin.c: Likewise.
627 * unwind-dw2-fde-glibc.c: Likewise.
628 * unwind-dw2-fde.c: Likewise.
629 * unwind-dw2-fde.h: Likewise.
630 * unwind-dw2.c: Likewise.
631 * unwind-dw2.h: Likewise.
632 * unwind-generic.h: Likewise.
633 * unwind-pe.h: Likewise.
634 * unwind-sjlj.c: Likewise.
635 * unwind.inc: Likewise.
636 * config/arm/neon-gen.ml: Change generated copyright header to
637 refer to version 3 of the GNU General Public License with
638 version 3.1 of the GCC Runtime Library Exception and to point
639 readers at the COPYING3 and COPYING3.RUNTIME files and the
640 FSF's license web page.
641 * config/arm/arm_neon.h: Regenerate.
642
6432009-04-09 Jakub Jelinek <jakub@redhat.com>
644
645 * config/cris/cris.md: Change copyright header to refer to version
646 3 of the GNU General Public License.
647 * doc/install.texi2html: Change copyright header to refer to version
648 3 of the GNU General Public License and to point readers at the
649 COPYING3 file and the FSF's license web page.
650 * config/vax/linux.h: Likewise.
651
4a77c72b
PB		 6522009-04-09 Paolo Bonzini <bonzini@gnu.org>
653
1ad2f450
L		 654 * config/i386/i386.md (cmpcc): New.
655 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
656 (sync_compare_and_swap_cc*): Delete.
657
658 * config/s390/s390.c (s390_compare_emitted): Remove.
659 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
660 s390_compare_emitted used to be handled. Assert that modes match.
661 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
662 refer to sync_compare_and_swap_ccsi.
663 * config/s390/s390.h (s390_compare_emitted): Remove.
664 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
665 instead of s390_compare_emitted.
666 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
667 instead of s390_compare_emitted.
668 * config/s390/s390.md (cmpcc): New.
669 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
670 CC_REGNUM, do not pretend it's set.
671 (sync_compare_and_swap_cc*): Delete.
672 * config/s390/predicates.md (cc_reg_operand): New.
673
674 * expr.c (sync_compare_and_swap_cc): Delete.
675 * optabs.h (sync_compare_and_swap_cc): Delete.
676 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
677 is being used with can_compare_p.
678 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
679 (find_cc_set): New.
680 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
681 look for a MODE_CC set instead. Use emit_store_flag.
682 (expand_compare_and_swap_loop): Likewise, with some additional
683 complication to avoid a force_reg when useless. Use
684 emit_cmp_and_jump_insns.
685 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
686 * doc/md.texi (sync_compare_and_swap_cc): Merge with
687 sync_compare_and_swap documentation.
4a77c72b 688
0c0efb33
JH		 6892009-04-09 Jan Hubicka <jh@suse.cz>
690
691 * except.c (find_prev_try): Break out from ....
692 (duplicate_eh_regions): ... here; properly update prev_try pointers
693 when duplication part of tree.
694 (dump_eh_tree): Improve dumping.
695 (verify_eh_region): New.
696 (verify_eh_tree): Use it.
697
22a65a54
RG		 6982009-04-06 Richard Guenther <rguenther@suse.de>
699
700 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
701 &ARRAY addresses by adjusting their types and prepending
702 a conversion.
703 * tree-cfg.c (verify_gimple_assign_single): Verify that
704 addresses are correct.
705
f76968e6
RG		 7062009-04-09 Richard Guenther <rguenther@suse.de>
707
708 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
709 indices into an array reference if possible.
710 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
711 Fold POINTER_PLUS_EXPR statements with invariant address.
712
c90c5fb5
AM		 7132009-04-09 Alan Modra <amodra@bigpond.net.au>
714
715 PR target/39634
716 * config.gcc (powerpc64-*-linux*): Always build biarch.
717
17cede2e
JM		 7182009-04-09 Joseph Myers <joseph@codesourcery.com>
719
720 PR c/39613
721 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
722 it and pedwarn if this results in an INTEGER_CST.
723
a3337ea2
KG		 7242009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
725
726 * doc/install.texi: Update minimum GMP version. Remove obsolete
727 text in MPFR section.
728
ce9ba79b
JJ		 7292009-04-08 Jakub Jelinek <jakub@redhat.com>
730
731 * dwarf2out.c (class_scope_p): New static inline.
732 (class_or_namespace_scope_p): Use it.
733 (gen_variable_die): Use DW_TAG_member tag for static data member
734 declarations instead of DW_TAG_variable.
735
4f0ae266
JJ		 736 PR middle-end/39573
737 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
738 variables.
739
d27f0ddc
RG		 7402009-04-08 Richard Guenther <rguenther@suse.de>
741
742 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
743 valueize random data.
744
557cc596
DE		 7452009-04-08 David Edelsohn <edelsohn@gnu.org>
746
747 * config.gcc (aix tm_file): Add aix-stdint.h.
748 (aix tm clause use_gcc_stdint): Set to wrap.
749 * config/rs6000/aix-stdint.h: New file.
750
75ccc1e7
RG		 7512009-04-08 Richard Guenther <rguenther@suse.de>
752
753 PR middle-end/36291
754 * tree-dfa.c (add_referenced_var): Do not recurse into
755 global initializers.
756 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
757 exposed variables.
758 (fold_const_aggregate_ref): Likewise.
759
c6963675
PB		 7602009-04-08 Paolo Bonzini <bonzini@gnu.org>
761
6c44cf79
L		 762 * recog.c (ordered_comparison_operator): New.
763 * gensupport.c (std_preds): Add it.
c6963675
PB		 764 * doc/md.texi (Machine-Independent Predicates): Document it.
765
6d07ad98
JH		 7662009-04-08 Jan Hubicka <jh@suse.cz>
767
768 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
769 * function.h (rtl_eh): Remove exception_handler_label_map.
770 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
771 remove_exception_handler_label, for_each_eh_label_1): Remove.
772 (rtl_remove_unreachable_regions): Remove.
773 (convert_from_eh_region_ranges): Do not remove unreachable regions.
774 (find_exception_handler_labels): Don't build the hashtable.
775 (maybe_remove_eh_handler): Remove.
776 (for_each_eh_label): Rewrite to walk the tree.
777 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
778 * except.h (maybe_remove_eh_handler): Remove.
779 * passes.c (init_optimization_passes): Schedule second EH cleanup
780 before out-of-ssa.
781 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
782 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
783
7ddf71e3
PB		 7842009-04-08 Paolo Bonzini <bonzini@gnu.org>
785
786 * genoutput.c (validate_optab_operands): New.
787 (gen_insn, gen_expand): Call it.
788
789 * genflags.c (gen_insn): Detect misused iterators.
790 (main): Pass line_no to gen_insn, exit with status 1 on error.
791
792 * genextract.c (line_no): Make global.
793 (VEC_safe_set_locstr): Change assertion to error message.
794 (main): Exit with status 1 on error.
795
4d84fe7c
JM		 7962009-04-08 Joseph Myers <joseph@codesourcery.com>
797
798 PR c/39614
799 PR c/39673
800 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
801 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
802 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
803 * c-convert.c (convert): Do not call fold on results of conversion
804 functions when the result is a C_MAYBE_CONST_EXPR.
805 * c-parser.c (c_parser_postfix_expression): Do not fold condition
806 of __builtin_choose_expr.
807 * c-typeck.c (remove_c_maybe_const_expr): New.
808 (build_unary_op, build_conditional_expr, build_compound_expr,
809 build_binary_op, c_objc_common_truthvalue_conversion): Call
810 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
811 integer operands.
812
d1d1c602
BM		 8132009-04-08 Bingfeng Mei <bmei@broadcom.com>
814
815 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6c44cf79 816 CODE to produce a new one. Add a prototype to use fold_convert_const
d1d1c602 817
8e481a2c
DS		 8182009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
819
820 PR bootstrap/39660
821 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
822 mix declarations and code.
823
ee618c17
BE		 8242009-04-08 Ben Elliston <bje@au.ibm.com>
825
826 * gcc.c: Replace `CC' with `GCC' throughout.
827
f2a758a2
L		 8282009-04-07 H.J. Lu <hongjiu.lu@intel.com>
829
830 * doc/invoke.texi: Document Atom support.
831
6ea2bd47
JM		 8322009-04-07 Jason Merrill <jason@redhat.com>
833
834 PR c++/25185
835 * c-common.h, c-common.c: Add flag_pretty_templates.
836 * c-opts.c (c_common_handle_option): Set it.
837 * c.opt: Add -fno-pretty-templates.
838 * doc/invoke.texi (C++ Dialect Options): Likewise.
839
fcb82ab0
UB		 8402009-04-07 Uros Bizjak <ubizjak@gmail.com>
841
842 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
843 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
844 (ia64_expand_builtin): Likewise.
845
dc5e7298
MJ		 8462009-04-07 Martin Jambor <mjambor@suse.cz>
847
848 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
849 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
850 ADDR_EXPRS are include too.
851
0609b355
RG		 8522009-04-07 Richard Guenther <rguenther@suse.de>
853
854 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
855 decls are only used if passes as parameters or if they are
856 local statics and the call is not to a builtin.
857 (call_may_clobber_ref_p_1): Likewise.
858
d8e535fa
PB		 8592009-04-07 Paolo Bonzini <bonzini@gnu.org>
860
861 * expr.c (do_store_flag): Remove last argument. Simplify code
862 to avoid duplication of tests already done by can_compare_p.
863 (expand_expr_real_1): Adjust caller.
864
c3c64f50
PB		 8652009-04-07 Paolo Bonzini <bonzini@gnu.org>
866
fcb82ab0
UB		 867 * optabs.c (can_compare_p): Test the predicate of a
868 cbranch and cstore pattern.
c3c64f50 869
9a53bc17
PB		 8702009-04-07 Paolo Bonzini <bonzini@gnu.org>
871
fcb82ab0
UB		 872 * expr.c (convert_move): Use emit_store_flag instead of
873 "emulating" it.
9a53bc17 874
67b8f1c1
PB		 8752009-04-07 Paolo Bonzini <bonzini@gnu.org>
876
fcb82ab0
UB		 877 * config/i386/i386.c (ix86_compare_emitted): Remove.
878 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
879 ix86_compare_op0 like ix86_compare_emitted used to be handled.
880 * config/i386/i386.h (ix86_compare_emitted): Remove.
881 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
882 instead of ix86_compare_emitted.
883 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
67b8f1c1 884
44509946
AS		 8852009-04-07 Andrew Stubbs <ams@codesourcery.com>
886
887 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
888 Add t-sysroot-suffix to tmake_file.
889 * config/print-sysroot-suffix.sh: New file.
890 * config/t-sysroot-suffix: New file.
891
ca22d882
BE		 8922009-04-07 Ben Elliston <bje@au.ibm.com>
893
894 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
895 as the latter produces a warning when the target does not support
896 infinity.
897
95aac11b
BE		 8982009-04-07 Ben Elliston <bje@au.ibm.com>
899
900 * dfp.c: Replace type punning assignments with memcpy throughout.
901 * Makefile.in (dfp.o-warn): Remove.
902
633dd061
AM		 9032009-04-07 Alan Modra <amodra@bigpond.net.au>
904
905 PR target/39634
906 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
907 Include soft-fp/t-softfp after rs6000/t-linux64.
908
fe0a25ec
EB		 9092009-04-06 Eric Botcazou <ebotcazou@adacore.com>
910
911 * stor-layout.c (set_sizetype): Use the full precision of their
912 machine mode for bitsize types.
913
0c011bc3
L		 9142009-04-06 H.J. Lu <hongjiu.lu@intel.com>
915
916 * config/i386/i386.md: Revert 2 accidental checkins.
917
b6837b94
JY		 9182009-04-06 Joey Ye <joey.ye@intel.com>
919 Xuepeng Guo <xuepeng.guo@intel.com>
920 H.J. Lu <hongjiu.lu@intel.com>
921
922 Atom pipeline model, tuning and insn selection.
923 * config.gcc (atom): Add atom config options and target.
924
925 * config/i386/atom.md: New.
926
927 * config/i386/i386.c (atom_cost): New cost.
928 (m_ATOM): New macro flag.
929 (initial_ix86_tune_features): Set m_ATOM.
930 (x86_accumulate_outgoing_args): Likewise.
931 (x86_arch_always_fancy_math_387): Likewise.
932 (processor_target): Add Atom cost.
933 (cpu_names): Add Atom cpu name.
934 (override_options): Set Atom ISA.
935 (ix86_issue_rate): New case PROCESSOR_ATOM.
936 (ix86_adjust_cost): Likewise.
937
938 * config/i386/i386.h (TARGET_ATOM): New target macro.
939 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
940 (TARGET_OPT_AGU): New target option.
941 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
942 (processor_type): Add PROCESSOR_ATOM.
943
944 * config/i386/i386.md (cpu): Add new value "atom".
945 (use_carry, movu): New attr.
946 (atom.md): Include atom.md.
947 (adddi3_carry_rex64): Set attr "use_carry".
948 (addqi3_carry): Likewise.
949 (addhi3_carry): Likewise.
950 (addsi3_carry): Likewise.
951 (*addsi3_carry_zext): Likewise.
952 (subdi3_carry_rex64): Likewise.
953 (subqi3_carry): Likewise.
954 (subhi3_carry): Likewise.
955 (subsi3_carry): Likewise.
956 (x86_movdicc_0_m1_rex64): Likewise.
957 (*x86_movdicc_0_m1_se): Likewise.
958 (x86_movsicc_0_m1): Likewise.
959 (*x86_movsicc_0_m1_se): Likewise.
960 (*adddi_1_rex64): Emit add insn as much as possible.
961 (*addsi_1): Likewise.
962 (return_internal): Set atom_unit.
963 (return_internal_long): Likewise.
964 (return_pop_internal): Likewise.
965 (*rcpsf2_sse): Set atom_sse_attr attr.
966 (*qrt<mode>2_sse): Likewise.
967 (*prefetch_sse): Likewise.
968
969 * config/i386/i386-c.c (ix86_target_macros_internal): New case
970 PROCESSOR_ATOM.
971 (ix86_target_macros_internal): Likewise.
972
973 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
974 (*prefetch_sse_rex): Likewise.
975 (sse_rcpv4sf2): Likewise.
976 (sse_vmrcpv4sf2): Likewise.
977 (sse_sqrtv4sf2): Likewise.
978 (<sse>_vmsqrt<mode>2): Likewise.
979 (sse_ldmxcsr): Likewise.
980 (sse_stmxcsr): Likewise.
981 (*sse_sfence): Likewise.
982 (sse2_clflush): Likewise.
983 (*sse2_mfence): Likewise.
984 (*sse2_lfence): Likewise.
985 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
986 (<sse>_movup<ssemodesuffixf2c>): Likewise.
987 (avx_movdqu<avxmodesuffix>): Likewise.
988 (avx_lddqu<avxmodesuffix>): Likewise.
989 (sse2_movntv2di): Change attr "type" to "ssemov".
990 (sse2_movntsi): Likewise.
991 (rsqrtv8sf2): Change attr "type" to "sseadd".
992 (sse3_addsubv2df3): Set attr "atom_unit".
993 (sse3_h<plusminus_insn>v4sf3): Likewise.
994 (*sse2_pmaddwd): Likewise.
995 (*vec_extractv2di_1_rex64): Likewise.
996 (*vec_extractv2di_1_avx): Likewise.
997 (sse2_psadbw): Likewise.
998 (ssse3_phaddwv8hi3): Likewise.
999 (ssse3_phaddwv4hi3): Likewise.
1000 (ssse3_phadddv4si3): Likewise.
1001 (ssse3_phadddv2si3): Likewise.
1002 (ssse3_phaddswv8hi3): Likewise.
1003 (ssse3_phaddswv4hi3): Likewise.
1004 (ssse3_phsubwv8hi3): Likewise.
1005 (ssse3_phsubwv4hi3): Likewise.
1006 (ssse3_phsubdv4si3): Likewise.
1007 (ssse3_phsubdv2si3): Likewise.
1008 (ssse3_phsubswv8hi3): Likewise.
1009 (ssse3_phsubswv4hi3): Likewise.
1010 (ssse3_pmaddubsw128): Likewise.
1011 (sse3_pmaddubsw: Likewise.
1012 (ssse3_palignrti): Likewise.
1013 (ssse3_palignrdi): Likewise.
1014
53e350d3
GP		 10152009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
1016
1017 * doc/install.texi (Specific): Fix two cross-references to MinGW.
1018
439ef907
RG		 10192009-04-06 Richard Guenther <rguenther@suse.de>
1020
1021 PR tree-optimization/28868
1022 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1023 of which PHI results we inserted.
1024 (insert_into_preds_of_block): Record inserted PHIs.
1025 (eliminate): Eliminate redundant PHI nodes.
1026 (init_pre): Init inserted_phi_names.
1027
4bad83f5
RG		 10282009-04-06 Richard Guenther <rguenther@suse.de>
1029
1030 PR tree-optimization/39643
1031 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1032 IMAGPART_EXPRs of complex constants.
1033 (execute_fold_all_builtins): If we folded a call queue
1034 TODO_update_address_taken.
1035
570c4247
JH		 10362009-04-06 Jan Hubicka <jh@suse.cz>
1037
1038 PR middle-end/39659
1039 * except.c (remove_unreachable_regions): Propagate may_contain_throw
1040 flag.
1041
a460d7a1
AS		 10422009-04-06 Andrew Stubbs <ams@codesourcery.com>
1043
1044 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1045 delay slot.
1046 (ic_invalidate_array): Likewise.
1047
6bdf8c2e
HS		 10482009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
1049
1050 * calls.c (emit_library_call_value_1): Fix a problem with parameter
1051 alignment for library calls.
1052
7d253f6e
DS		 10532009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
1054
1055 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
1056 (mingw32 tm clause use_gcc_stdint): Set to wrap.
1057 * config/i386/mingw-stdint.h: New file.
1058
941c3614
RB		 10592009-04-05 Richard Guenther <rguenther@suse.de>
1060
1061 PR tree-optimization/39648
1062 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1063 our &A vs. &A[0] IL deficiencies.
1064
12633413
JH		 10652009-04-04 Jan Hubicka <jh@suse.cz>
1066
941c3614
RB		 1067 * except.c (sjlj_find_directly_reachable_regions): Be ready for
1068 removed toplevel regions.
12633413
JH		 1069 (sjlj_mark_call_sites): Likewise.
1070
bb2aaded
DK		 10712009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
1072
1073 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
1074 (cygwin tm clause use_gcc_stdint): Set to wrap.
1075 * config/i386/cygwin-stdint.h: New file.
1076
86290011
RG		 10772009-04-04 Richard Guenther <rguenther@suse.de>
1078
1079 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1080 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1081 single-argument PHIs if we are in loop-closed SSA form.
1082 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1083 for the pre-condition.
1084 (slpeel_tree_peel_loop_to_edge): Likewise.
1085 (vect_build_loop_niters): Take an optional sequence to append stmts.
1086 (vect_generate_tmps_on_preheader): Likewise.
1087 (vect_do_peeling_for_loop_bound): Take extra guards for the
1088 pre-condition.
1089 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
1090 the cost model check.
1091 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
7a715bba 1092 guards if we are going to peel. Do not apply versioning in that case.
86290011
RG		 1093 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1094 (vect_do_peeling_for_loop_bound): Likewise.
1095 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1096 loop bound only record extra pre-conditions, do not apply loop
1097 versioning.
1098
5eeeac64
RG		 10992009-04-04 Richard Guenther <rguenther@suse.de>
1100
1101 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1102 renaming code.
1103
1ff7d06b
JH		 11042009-04-04 Jan Hubicka <jh@suse.cz>
1105
1106 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1107 last_basic_block for size of bb->index indexed array.
1108 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1109 compute_out, link_btr_uses, build_btr_def_use_webs,
1110 build_btr_def_use_webs, migrate_btr_defs): Likewise.
1111
14925fcd
JH		 11122009-04-04 Jan Hubicka <jh@suse.cz>
1113
1114 * except.c (remove_eh_handler_and_replace): Break out from ...
1115 (remove_eh_handler): ... here.
1116 (bring_to_root): New function.
1117 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1118 handled ones, bring others to root of tree.
1119
4e6d1743
JH		 11202009-04-04 Jan Hubicka <jh@suse.cz>
1121
4cb735f7
JH		 1122 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1123 (all_phis_safe_to_merge): New function.
1124 (update_info): New structure.
1125 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1126 (cleanup_empty_eh): Update SSA if possible.
4e6d1743 1127
c6803d43
RG		 11282009-04-04 Richard Guenther <rguenther@suse.de>
1129
1130 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1131 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1132 (append_vuse): Likewise.
1133
54f5943c
JJ		 11342009-04-04 Jakub Jelinek <jakub@redhat.com>
1135
1136 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1137 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1138 instead of REG_UNSAVED for DW_CFA_undefined.
1139 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1140 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1141 outermost frame.
1142
aad2bccb
RE		 11432009-04-04 Richard Earnshaw <rearnsha@arm.com>
1144
1145 PR target/39501
1146 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1147 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1148 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1149
aa7069aa
RG		 11502009-04-04 Richard Guenther <rguenther@suse.de>
1151
1152 PR tree-optimization/8781
1153 PR tree-optimization/37892
1154 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1155 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1156 (valueize_refs): Call it for *& valueizations.
1157 (shared_reference_ops_from_ref): Rename to ...
1158 (valueize_shared_reference_ops_from_ref): ... this and valueize.
1159 (shared_reference_ops_from_call): Rename to ...
1160 (valueize_shared_reference_ops_from_call): ... this and valueize.
1161 (vn_reference_lookup): Update.
1162 (visit_reference_op_call): Likewise.
1163 * tree-ssa-pre.c (phi_translate_1): Fold *&.
1164 (eliminate): Value-replace the call address in call statements.
1165
cd15ad3e
RG		 11662009-04-04 Richard Guenther <rguenther@suse.de>
1167
1168 PR tree-optimization/39636
1169 * tree-ssa-forwprop.c
1170 (forward_propagate_addr_into_variable_array_index): Check for
1171 GIMPLE_ASSIGN before accessing the rhs code.
1172
462f3262
JM		 11732009-04-03 Jason Merrill <jason@redhat.com>
1174
1175 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1176
6adb807e
SE		 11772009-04-03 Steve Ellcey <sje@cup.hp.com>
1178
1179 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1180 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1181 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1182 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1183 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1184 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1185 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1186 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1187 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1188 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1189 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1190 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1191 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1192 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1193 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1194 Use fr_reg_or_fp01_operand instead of fr_register_operand
1195
1196 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1197 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1198 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1199
174b3107
VM		 12002009-04-03 Vladimir Makarov <vmakarov@redhat.com>
1201
b844e5d8
L		 1202 PR rtl-optimization/39607
1203 PR rtl-optimization/39631
7a715bba
UB		 1204
1205 Revert:
1206
174b3107
VM		 1207 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1208 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1209 instead of DF_LR_OUT.
1210 * ira-lives.c (process_bb_node_lives): Ditto.
1211 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1212 instead of DF_LR_{OUT,IN}.
1213 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1214 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1215
535b544a
SB		 12162009-04-03 Steven Bosscher <steven@gcc.gnu.org>
1217
1218 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1219 (execute_lower_omp): Always run but take the short way out if -fopenmp
1220 is not given.
1221 (gate_lower_omp): Remove, forcing the pass manager to always run the
1222 pass and always set PROP_gimple_lomp.
1223 (pass_lower_omp): Remove gate function.
1224 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1225 PROP_trees. Instead, require it.
1226 * ipa-cp.c (pass_ipa_cp): Likewise.
1227 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1228 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1229 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1230 and PROP_gimple_leh.
1231
5006671f
RG		 12322009-04-03 Richard Guenther <rguenther@suse.de>
1233
1234 PR middle-end/13146
1235 PR tree-optimization/23940
1236 PR tree-optimization/33237
1237 PR middle-end/33974
1238 PR middle-end/34093
1239 PR tree-optimization/36201
1240 PR tree-optimization/36230
1241 PR tree-optimization/38049
1242 PR tree-optimization/38207
1243 PR tree-optimization/38230
1244 PR tree-optimization/38301
1245 PR tree-optimization/38585
1246 PR middle-end/38895
1247 PR tree-optimization/38985
1248 PR tree-optimization/39299
1249 * tree-ssa-structalias.h: Remove.
1250 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1251 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1252 (struct vuse_element_d): Remove.
1253 (struct vuse_vec_d): Likewise.
1254 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1255 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1256 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1257 VUSE_ELEMENT_VAR): Likewise.
1258 (struct voptype_d): Likewise.
1259 (NUM_VOP_FREE_BUCKETS): Likewise.
1260 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1261 (struct stmt_operands_d): Remove.
1262 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1263 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1264 VDEF_NUM, VDEF_VECT): Likewise.
1265 (copy_virtual_operands): Remove.
1266 (operand_build_cmp): Likewise.
1267 (create_ssa_artificial_load_stmt): Likewise.
1268 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1269 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1270 vuse_index and mayuse_index members. Pack and move done and iter_type
1271 members to the front.
1272 (SSA_OP_VMAYUSE): Remove.
1273 (SSA_OP_VIRTUAL_USES): Adjust.
1274 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1275 (unlink_stmt_vdef): Declare.
1276 (add_to_addressable_set): Remove.
1277 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1278 (vrp_visit_stmt): Likewise.
1279 * doc/tree-ssa.texi (Alias analysis): Update.
1280 * doc/invoke.texi (max-aliased-vops): Remove docs.
1281 (avg-aliased-vops): Likewise.
1282 * tree-into-ssa.c (syms_to_rename): Remove.
1283 (need_to_update_vops_p): Likewise.
1284 (need_to_initialize_update_ssa_p): Rename to ...
1285 (update_ssa_initialized_fn): ... this. Track function we are
1286 initialized for.
1287 (symbol_marked_for_renaming): Simplify.
1288 (add_new_name_mapping): Do not set need_to_update_vops_p.
1289 (dump_currdefs): Use SYMS_TO_RENAME.
1290 (rewrite_update_stmt): Always walk all uses/defs.
1291 (dump_update_ssa): Adjust.
1292 (init_update_ssa): Take function argument. Track what we are
1293 initialized for.
1294 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1295 (create_new_def_for): Initialize for cfun, assert we are initialized
1296 for cfun.
1297 (mark_sym_for_renaming): Simplify.
1298 (mark_set_for_renaming): Do not initialize update-ssa.
1299 (need_ssa_update_p): Simplify. Take function argument.
1300 (name_mappings_registered_p): Assert we ask for the correct function.
1301 (name_registered_for_update_p): Likewise.
1302 (ssa_names_to_replace): Likewise.
1303 (release_ssa_name_after_update_ssa): Likewise.
1304 (update_ssa): Likewise. Use SYMS_TO_RENAME.
1305 (dump_decl_set): Do not print a newline.
1306 (debug_decl_set): Do it here.
1307 (dump_update_ssa): And here.
1308 * tree-ssa-loop-im.c (move_computations): Adjust.
1309 (movement_possibility): Likewise.
1310 (determine_max_movement): Likewise.
1311 (gather_mem_refs_stmt): Likewise.
1312 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1313 or NAME_MEMORY_TAG.
1314 * tree-complex.c (update_all_vops): Remove.
1315 (expand_complex_move): Adjust.
1316 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1317 Simplify test for memory referencing statement. Exclude
1318 non-invariant ADDR_EXPRs.
1319 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1320 * tree-loop-distribution.c (generate_memset_zero): Adjust.
1321 (rdg_flag_uses): Likewise.
1322 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1323 related code.
1324 (tree_optimize_tail_calls_1): Also split the
1325 edge from the entry block if we have degenerate PHI nodes in
1326 the first basic block.
1327 * tree.c (init_ttree): Remove memory-tag related code.
1328 (tree_code_size): Likewise.
1329 (tree_node_structure): Likewise.
1330 (build7_stat): Re-write to be build6_stat.
1331 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1332 (SSA_VAR_P): Adjust.
1333 (struct tree_memory_tag): Remove.
1334 (struct tree_memory_partition_tag): Likewise.
1335 (union tree_node): Adjust.
1336 (build7): Re-write to be build6.
1337 * tree-pass.h (pass_reset_cc_flags): Remove.
1338 (TODO_update_address_taken): New flag.
1339 (pass_simple_dse): Remove.
1340 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1341 * params.h (MAX_ALIASED_VOPS): Remove.
1342 (AVG_ALIASED_VOPS): Likewise.
1343 * omp-low.c (expand_omp_taskreg): Update SSA form.
1344 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1345 aliases the lhs in a copy stmt.
1346 * tree-ssa-dse.c (struct address_walk_data): Remove.
1347 (memory_ssa_name_same): Likewise.
1348 (memory_address_same): Likewise.
1349 (get_kill_of_stmt_lhs): Likewise.
1350 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
1351 unused stores. Look through PHI nodes into post-dominated regions.
1352 (dse_optimize_stmt): Simplify. Properly remove stores.
1353 (tree_ssa_dse): Compute dominators.
1354 (execute_simple_dse): Remove.
1355 (pass_simple_dse): Likewise.
1356 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1357 gimple_loaded_syms and gimple_stored_syms computation.
1358 * toplev.c (dump_memory_report): Dump alias and pta stats.
1359 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1360 (vn_reference_eq): Likewise.
1361 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1362 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1363 valueize_vuses): Remove.
1364 (get_def_ref_stmt_vuses): Simplify. Rename to ...
1365 (get_def_ref_stmt_vuse): ... this.
1366 (vn_reference_lookup_2): New function.
1367 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1368 walking equivalent vuses. Simplify.
1369 (vn_reference_lookup): Likewise.
1370 (vn_reference_insert): Likewise.
1371 (vn_reference_insert_pieces): Likewise.
1372 (visit_reference_op_call): Simplify.
1373 (visit_reference_op_load): Likewise.
1374 (visit_reference_op_store): Likewise.
1375 (init_scc_vn): Remove shared_lookup_vuses initialization.
1376 (free_scc_vn): Remove shared_lookup_vuses freeing.
1377 (sort_vuses, sort_vuses_heap): Remove.
1378 (get_ref_from_reference_ops): Export.
1379 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1380 vector with single vuse pointer.
1381 (vn_reference_lookup_pieces, vn_reference_lookup,
1382 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1383 (shared_vuses_from_stmt): Remove.
1384 (get_ref_from_reference_ops): Declare.
1385 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1386 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1387 memory-tag related code.
1388 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1389 (likely_value): Add comment, skip static-chain of call statements.
1390 (surely_varying_stmt_p): Adjust.
1391 (gimplify_and_update_call_from_tree): Likewise.
1392 (execute_fold_all_builtins): Do not rebuild alias info.
1393 (gimplify_and_update_call_from_tree): Properly update VOPs.
1394 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1395 (copy_ref_info): Remove memory-tag related code.
1396 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1397 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1398 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1399 computation.
1400 * tree-ssa-dom.c (gimple_p): Remove typedef.
1401 (eliminate_redundant_computations): Adjust.
1402 (record_equivalences_from_stmt): Likewise.
1403 (avail_expr_hash): Likewise.
1404 (avail_expr_eq): Likewise.
7a715bba 1405 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5006671f
RG		 1406 (stmt_makes_single_load): Likewise.
1407 (stmt_makes_single_store): Likewise.
1408 * tree-ssa-alias.c: Rewrite completely.
1409 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1410 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1411 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1412 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1413 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1414 Remove public functions.
1415 (pass_reset_cc_flags): Remove.
1416 (pass_build_alias): Move ...
1417 * tree-ssa-structalias.c (pass_build_alias): ... here.
1418 * tree-ssa-alias.c (may_be_aliased): Move ...
1419 * tree-flow-inline.h (may_be_aliased): ... here.
1420 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1421 count_uses_and_derefs): Move ...
1422 * gimple.c: ... here.
1423 * gimple.h (count_uses_and_derefs): Declare.
1424 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1425 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1426 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1427 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1428 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1429 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1430 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1431 New functions.
1432 * tree-dfa.c (refs_may_alias_p): Move ...
1433 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
1434 * tree-ssa-alias.h: New file.
1435 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1436 (statement_sink_location): Likewise.
1437 * opts.c (decode_options): Do not adjust max-aliased-vops or
1438 avg-aliased-vops values.
1439 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1440 (TV_CALL_CLOBBER): Likewise.
1441 (TV_FLOW_SENSITIVE): Likewise.
1442 (TV_FLOW_INSENSITIVE): Likewise.
1443 (TV_MEMORY_PARTITIONING): Likewise.
1444 (TV_ALIAS_STMT_WALK): New timevar.
1445 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1446 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1447 (get_address_description): Remove memory-tag related code.
1448 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1449 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1450 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1451 and immediate uses in statements. Document.
1452 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1453 (dump_symbols): Remove.
1454 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1455 * alias.c (get_deref_alias_set): New function split out from ...
1456 (get_alias_set): ... here.
1457 * alias.h (get_deref_alias_set): Declare.
1458 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1459 type parameter. Remove restrict pointer handling. Create a
1460 ref-all pointer in case type-based alias sets do not conflict.
1461 (vect_analyze_data_refs): Remove SMT related code.
1462 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1463 (vectorizable_load): Likewise.
1464 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1465 (DR_SYMBOL_TAG, DR_VOPS): Remove.
1466 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1467 Ignore vops and SMTs.
1468 (dr_analyze_alias): Likewise..
1469 (free_data_ref): Likewise.
1470 (create_data_ref): Likewise.
1471 (analyze_all_data_dependences): Likewise.
1472 (get_references_in_stmt): Adjust.
1473 * tree-flow-inline.h (gimple_aliases_computed_p,
1474 gimple_addressable_vars, gimple_call_clobbered_vars,
1475 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1476 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1477 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1478 gimple_mem_ref_stats): Remove.
1479 (gimple_vop): New function.
1480 (op_iter_next_use): Remove vuses and mayuses cases.
1481 (op_iter_next_def): Remove vdefs case.
1482 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1483 (clear_and_done_ssa_iter): Do not set removed fields.
1484 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
1485 Assert we are not iterating over vuses or vdefs if not also
1486 iterating over uses or defs.
1487 (op_iter_init_use): Likewise.
1488 (op_iter_init_def): Likewise.
1489 (op_iter_next_vdef): Remove.
1490 (op_iter_next_mustdef): Likewise.
1491 (op_iter_init_vdef): Likewise.
1492 (compare_ssa_operands_equal): Likewise.
1493 (link_use_stmts_after): Handle vuse operand.
1494 (is_call_used): Use is_call_clobbered.
1495 (is_call_clobbered): Global variables are always call clobbered,
1496 query the call-clobbers bitmap.
1497 (mark_call_clobbered): Ignore global variables.
1498 (clear_call_clobbered): Likewise.
1499 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1500 virtual operands sanity check.
1501 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1502 Remove.
1503 (TARGET_MEM_REF): Remove TMR_TAG operand.
1504 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1505 Remove call-clobber related code.
1506 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
1507 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1508 partitions or escape reason.
1509 (get_single_def_stmt, get_single_def_stmt_from_phi,
1510 get_single_def_stmt_with_phi): Remove.
1511 (dump_referenced_vars): Tidy.
1512 (get_ref_base_and_extent): Allow bare decls.
1513 (collect_dfa_stats): Adjust.
1514 * graphite.c (rename_variables_in_stmt): Adjust.
1515 (graphite_copy_stmts_from_block): Likewise.
1516 (translate_clast): Likewise.
1517 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1518 (EXPR_DIES): New.
1519 (translate_vuse_through_block): Use the oracle.
1520 (phi_translate_1): Adjust.
1521 (value_dies_in_block_x): Use the oracle. Cache the outcome
1522 in EXPR_DIES.
1523 (valid_in_sets): Check if the VUSE for
1524 a REFERENCE is available.
1525 (eliminate): Do not remove stmts during elimination,
1526 instead queue and remove them afterwards.
1527 (do_pre): Do not rebuild alias info.
1528 (pass_pre): Run TODO_rebuild_alias before PRE.
1529 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1530 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1531 (mark_all_v_defs_stmt): Remove.
1532 (mark_all_v_defs_seq): Adjust.
1533 (sra_replace): Likewise.
1534 (scalarize_use): Likewise.
1535 (scalarize_copy): Likewise.
1536 (scalarize_init): Likewise.
1537 (scalarize_ldst): Likewise.
1538 (todoflags): Remove.
1539 (tree_sra): Do not rebuild alias info.
1540 (tree_sra_early): Adjust.
1541 (pass_sra): Run TODO_update_address_taken before SRA.
1542 * tree-predcom.c (set_alias_info): Remove.
1543 (prepare_initializers_chain): Do not call it.
1544 (mark_virtual_ops_for_renaming): Adjust.
1545 (mark_virtual_ops_for_renaming_list): Remove.
1546 (initialize_root_vars): Adjust.
1547 (initialize_root_vars_lm): Likewise.
1548 (prepare_initializers_chain): Likewise.
1549 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1550 (may_propagate_copy_into_stmt): Likewise.
1551 (merge_alias_info): Do nothing for now.
1552 (propagate_tree_value_into_stmt): Adjust.
1553 (stmt_may_generate_copy): Likewise.
1554 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1555 not mark symbols for renaming.
1556 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1557 with the same statement, make sure to update the new pointed-to one.
1558 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1559 call statements, do not mark symbols for renaming.
1560 (mark_operand_necessary): Dump something.
1561 (ref_may_be_aliased): New function.
1562 (mark_aliased_reaching_defs_necessary_1): New helper function.
1563 (mark_aliased_reaching_defs_necessary): Likewise.
1564 (mark_all_reaching_defs_necessary_1): Likewise.
1565 (mark_all_reaching_defs_necessary): Likewise.
1566 (propagate_necessity): Do not process virtual PHIs. For
1567 non-aliased loads mark all reaching definitions as necessary.
1568 For aliased loads and stores mark the immediate dominating
1569 aliased clobbers as necessary.
1570 (visited): New global static.
1571 (perform_tree_ssa_dce): Free visited bitmap after propagating
1572 necessity.
1573 (remove_dead_phis): Perform simple dead virtual PHI removal.
1574 (remove_dead_stmt): Properly unlink virtual operands when
1575 removing stores.
1576 (eliminate_unnecessary_stmts): Schedule PHI removal after
1577 stmt removal.
1578 * tree-ssa-ter.c (is_replaceable_p): Adjust.
1579 (process_replaceable): Likewise.
1580 (find_replaceable_in_bb): Likewise.
1581 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1582 based on the single gimple vop.
1583 (verify_flow_insensitive_alias_info): Remove.
1584 (verify_flow_sensitive_alias_info): Likewise.
1585 (verify_call_clobbering): Likewise.
1586 (verify_memory_partitions): Likewise.
1587 (verify_alias_info): Likewise.
1588 (verify_ssa): Adjust..
1589 (execute_update_addresses_taken): Export. Update SSA
1590 manually. Optimize only when optimizing. Use a local bitmap.
1591 (pass_update_address_taken): Remove TODO_update_ssa, add
1592 TODO_dump_func.
1593 (pass_update_address_taken): Just use TODO_update_address_taken.
1594 (init_tree_ssa): Do not initialize addressable_vars.
1595 (verify_ssa): Verify new VUSE / VDEF properties.
1596 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
1597 Do not call verify_alias_info.
1598 (delete_tree_ssa): Clear the VUSE, VDEF operands.
1599 Do not free the loaded and stored syms bitmaps. Reset the escaped
1600 and callused solutions. Do not free addressable_vars.
1601 Remove memory-tag related code.
1602 (warn_uninitialized_var): Aliases are always available.
1603 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
1604 * lambda-code.c (can_put_in_inner_loop): Adjust.
1605 (can_put_after_inner_loop): Likewise.
1606 (perfect_nestify): Likewise.
1607 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
1608 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
1609 (vectorizable_conversion): Do not mark symbols for renaming.
1610 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
1611 (expand_call_inline): Unlink the calls virtual operands before
1612 replacing it.
1613 (tree_function_versioning): Do not call update_ssa if we are not
1614 updating clones. Simplify.
1615 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
1616 (propagate_with_phi): Likewise..
1617 * tree-outof-ssa.c (create_temp): Remove memory tag and call
1618 clobber code. Assert we are not aliased or global.
1619 * tree-flow.h: Include tree-ssa-alias.h
1620 (enum escape_type): Remove.
1621 (struct mem_sym_stats_d): Likewise.
1622 (struct mem_ref_stats_d): Likewise.
1623 (struct gimple_df): Add vop member. Remove global_var,
1624 call_clobbered_vars, call_used_vars, addressable_vars,
1625 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
1626 escaped and callused members.
1627 (struct ptr_info_def): Remove all members, add points-to solution
1628 member pt.
1629 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
1630 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
1631 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
1632 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
1633 (tree-ssa-alias.o): Likewise.
1634 (toplev.o): Add tree-ssa-alias.h
1635 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
1636 * gimple.c (gimple_set_bb): Fix off-by-one error.
1637 (is_gimple_reg): Do not handle memory tags.
1638 (gimple_copy): Also copy virtual operands.
1639 Delay updating the statement. Do not reset loaded and stored syms.
1640 (gimple_set_stored_syms): Remove.
1641 (gimple_set_loaded_syms): Likewise.
1642 (gimple_call_copy_skip_args): Copy the virtual operands
1643 and mark the new statement modified.
1644 * tree-ssa-structalias.c (may_alias_p): Remove.
1645 (set_uids_in_ptset): Take the alias set to prune with as
1646 parameter. Fold in the alias test of may_alias_p.
1647 (compute_points_to_sets): Compute whether a ptr is dereferenced
1648 in a local sbitmap.
1649 (process_constraint): Deal with &ANYTHING on the lhs, reject all
1650 other ADDRESSOF constraints on the lhs.
1651 (get_constraint_for_component_ref): Assert that we don't get
1652 ADDRESSOF constraints from the base of the reference.
1653 Properly generate UNKNOWN_OFFSET for DEREF if needed.
1654 (struct variable_info): Remove collapsed_to member.
1655 (get_varinfo_fc): Remove.
1656 (new_var_info): Do not set collapsed_to.
1657 (dump_constraint): Do not follow cycles.
1658 (dump_constraint_graph): Likewise.
1659 (build_pred_graph): Likewise.
1660 (build_succ_graph): Likewise.
1661 (rewrite_constraints): Likewise.
1662 (do_simple_structure_copy): Remove.
1663 (do_rhs_deref_structure_copy): Remove.
1664 (do_lhs_deref_structure_copy): Remove.
1665 (collapse_rest_of_var): Remove.
1666 (do_structure_copy): Re-implement.
1667 (pta_stats): New global variable.
1668 (dump_pta_stats): New function.
1669 (struct constraint_expr): Make offset signed.
1670 (UNKNOWN_OFFSET): Define special value.
1671 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
1672 (solution_set_expand): New helper function split out from ...
1673 (do_sd_constraint): ... here.
1674 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
1675 (do_ds_constraint): Likewise.
1676 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
1677 and CALLUSED = *CALLUSED.
1678 (set_union_with_increment): Make inc argument signed.
1679 (type_safe): Remove.
1680 (get_constraint_for_ptr_offset): Handle unknown and negative
1681 constant offsets.
1682 (first_vi_for_offset): Handle offsets before start. Bail
1683 out early for offsets beyond the variable extent.
1684 (first_or_preceding_vi_for_offset): New function.
1685 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
1686 Together with ESCAPED = *ESCAPED this properly computes reachability.
1687 (find_what_var_points_to): New function.
1688 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
1689 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
1690 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
1691 pt_solutions_intersect): New functions.
1692 (compute_call_used_vars): Remove.
1693 (compute_may_aliases): New main entry into PTA computation.
1694 * gimple.h (gimple_p): New typedef.
1695 (struct gimple_statement_base): Remove references_memory_p.
1696 (struct gimple_statement_with_memory_ops_base): Remove
1697 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
1698 members.
1699 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
1700 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
1701 gimple_set_references_memory): Remove.
1702 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
1703 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
1704 New functions.
1705 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
1706 (verify_expr): Allow RESULT_DECL.
1707 (gimple_duplicate_bb): Do not copy virtual operands.
1708 (gimple_duplicate_sese_region): Adjust.
1709 (gimple_duplicate_sese_tail): Likewise.
1710 (mark_virtual_ops_in_region): Remove.
1711 (move_sese_region_to_fn): Do not call it.
1712 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
1713 and pass_simple_dse.
1714 (execute_function_todo): Handle TODO_update_address_taken,
1715 call execute_update_addresses_taken for TODO_rebuild_alias.
1716 (execute_todo): Adjust.
1717 (execute_one_pass): Init dump files early.
1718 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
1719 call-clobbered.
1720 (create_general_new_stmt): Clear vops.
1721 * tree-ssa-reassoc.c (get_rank): Adjust.
1722 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
1723 symbols for renaming.
1724 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
1725 (PARAM_AVG_ALIASED_VOPS): Likewise.
1726 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
1727 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7a715bba 1728 * tree-ssa-operands.c: Simplify for new virtual operand representation.
5006671f
RG		 1729 (operand_build_cmp, copy_virtual_operands,
1730 create_ssa_artificial_load_stmt, add_to_addressable_set,
1731 gimple_add_to_addresses_taken): Remove public functions.
1732 (unlink_stmt_vdef): New function.
1733
457d1d00
AM		 17342009-04-03 Alan Modra <amodra@bigpond.net.au>
1735
1736 * config.gcc (powerpc-*-linux*): Merge variants.
1737
e19da24c
CF		 17382009-04-02 Chao-ying Fu <fu@mips.com>
1739 James Grosbach <james.grosbach@microchip.com>
1740
1741 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
1742 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
1743 cop0_sp_offset.
1744 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
1745 keep_interrupts_masked_p, use_debug_exception_return_p.
1746 (mips_attribute_table): Add interrupt, use_shadow_register_set,
1747 keep_interrupts_masked, use_debug_exception_return.
1748 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
1749 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
1750 New functions.
1751 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
1752 (mips_print_operand): Process COP0 registers to print $0 .. $31
1753 correctly for GAS to process.
1754 (mips_interrupt_extra_call_saved_reg_p): New function.
1755 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
1756 extra registers.
1757 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
1758 (mips_compute_frame_info): Add supports for interrupt context that
1759 includes doubleword accumulators and COP0 registers.
1760 (mips_for_each_saved_acc): New function.
1761 (mips_for_each_saved_gpr_and_fpr): Change the function name from
1762 mips_for_each_saved_reg.
1763 (mips_save_reg): Save accumulators.
1764 (mips_kernel_reg_p): A new for_each_rtx callback.
1765 (mips_expand_prologue): Support interrupt handlers.
1766 (mips_restore_reg): Restore accumulators.
1767 (mips_expand_epilogue): Support interrupt handlers.
1768 (mips_can_use_return_insn): Return false for interrupt handlers.
1769 (mips_epilogue_uses): New function.
1770 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
1771 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
1772 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
1773 cop0_move): New instructions.
1774 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
1775 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
1776 defines.
1777 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
1778 New defines.
1779 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
1780 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
1781 interrupt handlers, we use K0 as the temporary register.
1782 (EPILOGUE_USES): Change to a function call.
1783 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
1784 handlers, we use K0 as the temporary register.
1785
1786 * doc/extend.texi (Function Attributes): Document interrupt,
1787 use_shadow_register_set, keep_interrupts_masked,
1788 use_debug_exception_return for MIPS attributes.
1789
aa1ca044
AM		 17902009-04-03 Alan Modra <amodra@bigpond.net.au>
1791
1792 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
1793 Remove a number of t-files from tmake_file.
1794 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
1795 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
1796 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
1797 target_prototype, not TARGET_PROTOTYPE.
1798 (LINK_OS_GNU_SPEC): Define.
1799 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
1800 and darwin-ldoubdle.c.
1801
14fdc613
MM		 18022009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
1803
1804 PR driver/39293
1805 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
1806 (cpp_options): Ditto.
1807 (default_compilers): Ditto.
1808 (display_help): Ditto.
1809 (process_command): Ditto.
1810 (do_spec_1): Ditto.
1811 (set_input): Use lbasename instead of duplicate code.
1812 (save_temps_prefix): New static for -save-temps=obj.
1813 (save_temps_length): Ditto.
1814
1815 * doc/invoke.texi (-save-temps=obj): Document new variant to
1816 -save-temps switch.
1817
d3aa398e
JL		 18182009-04-02 Jeff Law <law@redhat.com>
1819
1820 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
1821 variable.
1822
83f0ccb8
L		 18232009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1824
1825 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
1826 * configure: Regenerated.
1827
dcb6e951
RAE		 18282009-04-02 Rafael Avila de Espindola <espindola@google.com>
1829
1830 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
1831 share the argument list.
1832
d85478c2
RAE		 18332009-04-02 Rafael Avila de Espindola <espindola@google.com>
1834
1835 Merge
1836
1837 2009-02-12 Diego Novillo <dnovillo@google.com>
1838
83f0ccb8
L		 1839 * varpool.c (debug_varpool): New.
1840 * cgraph.h (debug_varpool): Declare.
d85478c2 1841
34f42a49
JH		 18422009-04-02 Jan Hubicka <jh@suse.cz>
1843
1844 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
1845 pass.
1846
a4747b4a
L		 18472009-04-02 H.J. Lu <hongjiu.lu@intel.com>
1848
1849 * config/i386/i386.c (ix86_abi): Move initialization to ...
1850 (override_options): Here.
1851
63a9de54
CB		 18522009-04-02 Christian Bruel <christian.bruel@st.com>
1853
1854 * config/sh/sh.c (sh_dwarf_register_span): New function.
1855 (TARGET_DWARF_REGISTER_SPAN): Define.
1856 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
1857
2f0fa28e
IR		 18582009-04-02 Ira Rosen <irar@il.ibm.com>
1859
1860 PR tree-optimization/39595
1861 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
1862 interleaved loads group is not greater than the SLP group size.
1863
bbf7ce11
RAE		 18642009-04-02 Rafael Avila de Espindola <espindola@google.com>
1865
1866 * builtins.c (is_builtin_name): New.
1867 (called_as_built_in): Use is_builtin_name.
1868 * tree.h (is_builtin_name): New.
1869 * varasm.c (incorporeal_function_p): Use is_builtin_name
1870
47e4dfcf
AS		 18712009-04-02 Andrew Stubbs <ams@codesourcery.com>
1872
1873 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
1874
d0940d56
DS		 18752009-04-02 Dodji Seketeli <dodji@redhat.com>
1876
1877 PR c++/26693
1878 * c-decl.c: (clone_underlying_type): Move this ...
1879 * c-common.c (set_underlying_type): ... here.
1880 Also, make sure the function properly sets TYPE_STUB_DECL() on
1881 the newly created typedef variant type.
1882 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7a715bba
UB		 1883 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
1884 points.
d0940d56 1885
bf1cbdc6
RG		 18862009-04-02 Richard Guenther <rguenther@suse.de>
1887
1888 PR tree-optimization/37221
1889 * tree-flow.h (degenerate_phi_result): Declare.
1890 * tree-ssa-dom.c (degenerate_phi_result): Export.
1891 * tree-scalar-evolution.c (analyze_initial_condition): If
1892 the initial condition is defined by a degenerate PHI node
1893 use the degenerate value.
1894
87cfb32c
EB		 18952009-04-01 Eric Botcazou <ebotcazou@adacore.com>
1896
1897 PR rtl-optimization/39588
1898 * combine.c (merge_outer_ops): Do not set the constant when this
1899 is not necessary.
1900 (simplify_shift_const_1): Do not modify it either in this case.
1901
bbb6eae8
SB		 19022009-04-01 Steven Bosscher <steven@gcc.gnu.org>
1903
1904 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
1905 tuning is deprecated if -mtune value is set to an Itanium1 variant.
1906
839a3b8a
JJ		 19072009-04-01 Janis Johnson <janis187@us.ibm.com>
1908
1909 PR c/29027
1910 * c-lex.c (interpret_float): Default (no suffix) is double.
1911
667e8acb
XDL		 19122009-04-1 Xinliang David Li <davidxl@google.com>
1913
1914 * config/i386/i386.c (legitimate_constant_p): Recognize
1915 all one vector constant.
1916
9332c6eb 19172009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1918
1919 * gcc/config/vax/vax.c: Add #includes to silence warnings.
1920 Change #include order to silence two warnings.
1921
9332c6eb 19222009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1923
1924 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
1925 (ASM_SPEC): Pass -k to the assembler for PIC code.
1926
9332c6eb 19272009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1928
1929 * gcc/config.gcc: Add vax-*-linux* to the switch.
1930 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
1931 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
1932
9332c6eb 19332009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1934
1935 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
1936 Use predicate macros instead of GET_CODE() == foo.
1937 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
1938 ashlsi3, rotrsi3, <unnamed>): Likewise.
1939
9332c6eb 19402009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1941
1942 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
1943 jbbccihi, jbbccisi): Remova trailing whitespace.
1944 * gcc/config/vax/constraints.md: Likewise.
1945 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
1946 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
1947 * gcc/config/vax/predicates.md: Likewise.
1948 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
1949 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
1950 * gcc/config/vax/vax.h: Likewise.
1951 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
1952
9332c6eb 19532009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1954
1955 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
1956 (indirectable_address_p, adjacent_operands_p): Add spaces around
1957 braces.
1958 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
1959
9332c6eb 19602009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1961
1962 * gcc/config/vax/vax.c (legitimate_constant_address_p,
1963 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
1964 index_term_p, reg_plus_index_p, legitimate_address_p,
1965 vax_mode_dependent_address_p): Update comments to match functions
1966 modified by the recent int->bool conversion.
1967
9332c6eb 19682009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1969
1970 * gcc/config/vax/builtins.md: Update copyright message.
1971 * gcc/config/vax/constraints.md: Likewise.
1972 * gcc/config/vax/netbsd-elf.h: Likewise.
1973 * gcc/config/vax/predicates.md: Likewise.
1974 * gcc/config/vax/vax-protos.h: Likewise.
1975 * gcc/config/vax/vax.c: Likewise.
1976 * gcc/config/vax/vax.h: Likewise.
1977 * gcc/config/vax/vax.md: Likewise.
1978 * gcc/config/vax/vax.opt: Likewise.
1979
9332c6eb 19802009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 1981
1982 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
1983 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
1984 * gcc/config/vax/constraints.md (B, R): Likewise.
1985 * gcc/config/vax/predicates.md (external_memory_operand,
1986 nonimmediate_addsub_di_operand): Likewise.
1987 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
1988 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
1989 untyped_call): Likewise.
1990
9332c6eb 19912009-04-01 Matt Thomas <matt@3am-software.com>
c4e75102 1992
7a715bba
UB		 1993 * config/vax/predicates.md: New file.
1994 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
c4e75102
MT		 1995 external_const_operand, nonsymbolic_operand, external_memory_operand,
1996 indirect_memory_operand, indexed_memory_operand,
1997 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
1998 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
1999 predicate.
7a715bba
UB		 2000 * config/vax/constraints.md: New file.
2001 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2002 New constraint.
2003 * config/vax/builtins.md: New file.
2004 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2005 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2006 jbbccisi): Define.
c4e75102
MT		 2007 * config/vax/vax.opt (mqmath): Add option.
2008 * config/vax/vax.md (isfx): Extend with DI.
2009 (VAXintQH, VAXintQHSD): Define.
2010 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2011 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2012 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2013 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2014 (movdi): Update constraints and use vax_output_int_move().
2015 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2016 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2017 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2018 nonlocal_goto): New.
2019 (mov<mode>): Extend accepted operand types.
2020 (subdi3_old): Rename from subdi3, change update constraints and use
2021 a new implementation.
2022 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2023 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2024 MOVE_RATIO, CLEAR_RATIO): Define.
2025 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2026 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2027 (PRINT_OPERAND): Redefine using a function instead of inlined code.
2028 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2029 (split_quadword_operands): Make static and really allow variable
2030 splitting.
2031 (print_operand_address): Update for PIC generation.
2032 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2033 indexable_address_p, fixup_mathdi_operand,
2034 vax_expand_addsub_di_operands, adjacent_operands_p): New.
2035 (vax_float_literal, legitimate_constant_p,
2036 indirectable_constant_address_p, index_term_p,
2037 reg_plus_index_p): Return bool instead of int.
2038 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2039 where needed.
2040 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2041 generation.
2042 (vax_output_conditional_branch): Indent.
2043 (legitimate_constant_address_p, indirectable_constant_address_p,
2044 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2045 vax_mode_dependent_address_p): Return bool instead of int, update for
2046 PIC generation.
2047 * config/vax/vax-protos.h (legitimate_constant_address_p,
2048 legitimate_constant_p, legitimate_address_p,
2049 vax_mode_dependent_address_p): Change declaration to bool.
2050 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2051 vax_expand_addsub_di_operands, vax_output_int_subtract,
2052 vax_output_movmemsi): Declare.
2053 (split_quadword_operands, vax_float_literal): Delete declaration.
2054 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2055 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2056 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2057 ASM_OUTPUT_DWARF_PCREL): Define.
2058 (ASM_SPEC): Change definition to allow PIC generation.
2059
9332c6eb
L		 20602009-04-01 Steve Ellcey <sje@cup.hp.com>
2061
2062 * doc/sourcebuild.texi: Update front-end requirements.
2063
d93e052c
JJ		 20642009-04-01 Jakub Jelinek <jakub@redhat.com>
2065
2066 PR target/39226
2067 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2068 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2069 (booldi3_internal3): Use boolean_or_operator instead of
2070 boolean_operator.
2071
6ccb2a4a
JM		 20722009-04-01 Joseph Myers <joseph@codesourcery.com>
2073
2074 PR c/39605
2075 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2076 declarator whose size is not an integer constant expression but
2077 folds to an integer constant, then treat it as a constant
2078 subsequently.
2079
299b87f8
RG		 20802009-04-01 Richard Guenther <rguenther@suse.de>
2081
2082 * fold-const.c (fold_plusminus_mult_expr): Do not fold
2083 i * 4 + 2 to (i * 2 + 1) * 2.
2084
b85eb797
JJ		 20852009-04-01 Jakub Jelinek <jakub@redhat.com>
2086
2087 PR c/37772
2088 * c-parser.c (c_parser_asm_statement): Skip until close paren and
2089 return if c_parser_asm_string_literal returned NULL.
2090
235e1fe8
NC		 20912009-04-01 Nick Clifton <nickc@redhat.com>
2092
2093 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2094 already defined.
2095 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2096 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
2097 other typedefs to avoid conflicts with libgcc2.c. Define labels
2098 to gain 16-bit bit-manipulation functions from libgcc2.c and then
2099 include it.
2100 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
2101 to gain 16-bit trapping arithmetic functions from libgcc2.c and
2102 then include it.
2103
d6868399
RAE		 21042009-04-01 Rafael Avila de Espindola <espindola@google.com>
2105
7a715bba
UB		 2106 * varasm.c (default_function_rodata_section): Declare DOT as
2107 const char*.
d6868399 2108
73d21f56
KT		 21092009-04-01 Kai Tietz <kai.tietz@onevision.com>
2110 Andrey Galkin <agalkin@hypercom.com>
2111
2112 PR/39492
2113 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2114 Make object_name unique for each process.
2115
03742a9b
JJ		 21162009-04-01 Jakub Jelinek <jakub@redhat.com>
2117
2118 PR other/39591
2119 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2120 addressable variables in the parallel that could go out of scope while
2121 running queued tasks.
2122
4223ff5f
AS		 21232009-04-01 Anatoly Sokolov <aesok@post.ru>
2124
2125 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2126 (CASE_VALUES_THRESHOLD): Redefine.
2127 * config/avr/avr.c (avr_override_options): Remove initialization of
2128 avr_case_values_threshold variable.
2129 (avr_case_values_threshold): Remove variable. Add new function.
2130 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2131 * config/avr/avr.opt (mno-tablejump): Remove option.
2132 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2133
e893f6f3
DD		 21342009-04-01 DJ Delorie <dj@redhat.com>
2135
2136 * varasm.c (default_function_rodata_section): Don't assume
2137 anything about where the first '.' in the section name is.
2138
b246d100
AM		 21392009-04-01 Alan Modra <amodra@bigpond.net.au>
2140
2141 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2142 rs6000_emit_stack_tie.
2143
d3e37a9e
ILT		 21442009-03-31 Ian Lance Taylor <iant@google.com>
2145
2146 * tree-eh.c (tree_remove_unreachable_handlers): Compare
2147 gimple_code with GIMPLE_RESX, not RESX.
2148
c1b61fca
JM		 21492009-03-31 Joseph Myers <joseph@codesourcery.com>
2150
2151 * c-common.c (c_get_ident): New.
7a715bba 2152 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
c1b61fca 2153
c2d2ad48
BE		 21542009-04-01 Ben Elliston <bje@au.ibm.com>
2155
2156 * config/rs6000/sysv4.opt (msdata): Improve option description.
2157
13d1a6e7
SE		 21582009-03-31 Steve Ellcey <sje@cup.hp.com>
2159
2160 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2161 (divdf3_internal_lat): Remove.
2162 (divxf3_internal_lat): Remove.
2163 (divxf3_internal_thr): Remove.
2164 (divxf): Use divxf3_internal.
2165 * config/ia64/div.md (divsf3_internal_lat): New.
2166 (divdf3_internal_lat): New.
2167 (divxf3_internal): New.
2168
207bf79d
JM		 21692009-03-31 Joseph Myers <joseph@codesourcery.com>
2170
2171 PR c/448
2172 * Makefile.in (USE_GCC_STDINT): Define.
2173 (stmp-int-hdrs): Install stdint.h if applicable.
2174 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2175 if known.
2176 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2177 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2178 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2179 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2180 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2181 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2182 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2183 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2184 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2185 (c_common_nodes_and_builtins): Initialize
2186 underlying_wchar_type_node. Do not initialize
2187 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
2188 nodes for new types.
2189 (c_stddef_cpp_builtins): Define macros for new types.
2190 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2191 Remove.
2192 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2193 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2194 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2195 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2196 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2197 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2198 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2199 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2200 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2201 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2202 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2203 int16_type_node, int32_type_node, int64_type_node,
2204 uint8_type_node, uint16_type_node, c_uint32_type_node,
2205 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2206 int_least32_type_node, int_least64_type_node,
2207 uint_least8_type_node, uint_least16_type_node,
2208 uint_least32_type_node, uint_least64_type_node,
2209 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2210 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2211 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2212 uintptr_type_node): Define.
2213 * c-cppbuiltin.c (builtin_define_constants,
2214 builtin_define_type_minmax): New.
2215 (builtin_define_stdint_macros): Define more macros.
2216 (c_cpp_builtins): Define more limit macros.
2217 (type_suffix): New.
2218 (builtin_define_type_max): Define in terms of
2219 builtin_define_type_minmax. Remove is_long parameter. All
2220 callers changed.
2221 * config.gcc (use_gcc_stdint): Define.
2222 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2223 Add newlib-stdint.h for generic targets.
2224 * config/glibc-stdint.h, config/newlib-stdint.h,
2225 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2226 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2227 * config/score/score.h (UINTPTR_TYPE): Define.
2228 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2229 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2230 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2231 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2232 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2233 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2234 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2235 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2236 * config/spu/spu.h (STDINT_LONG32): Define.
2237 * configure.ac (use_gcc_stdint): Substitute.
2238 * configure: Regenerate.
2239 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2240 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2241 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2242 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2243 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2244 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2245 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2246 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2247 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2248 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2249 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2250 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2251 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2252 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2253 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2254 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2255 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2256 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2257 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2258 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2259 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2260 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2261 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2262 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2263 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2264 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2265 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2266 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2267 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2268
ed853664
BS		 22692009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
2270
2271 * loop-iv.c (suitable_set_for_replacement): Renamed from
2272 simplify_using_assignment; changed to return bool and to accept new
2273 args DEST and SRC. Return true iff we find a source/destination pair
2274 that can be used to make a replacement, and fill SRC and DEST if so.
2275 Remove arg ALTERED. Don't deal with altered regs here. All callers
2276 changed.
2277 (simplify_using_initial_values): Deal with altered regs here and track
2278 more precisely the effect they have on the validity of our expression.
2279
1569e190
BS		 2280 * loop-iv.c (simplify_using_condition): A condition of the form
2281 (EQ REG CONST) can be used to simply make a substitution.
2282 (simplify_using_initial_values): Keep track of conditions we have seen
2283 and keep using them to simplify new expressions, while applying the
2284 same substitutions to them as to the expression.
2285
1d1eb80c
BS		 2286 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2287 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2288 GEU/LTU reversed.
2289
28af33b0
BS		 2290 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
2291 changed. Use this when trying to improve the upper bound.
2292 Generate the comparison by using simplify_gen_relational.
2293
b30321cd
BS		 2294 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2295
60081874
BS		 2296 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2297 functions.
2298 (simplify_using_assignment, simplify_using_initial_values): Call
2299 replace_in_expr to make replacements. Call replace_single_def_regs
2300 once on the initial version of the expression.
2301
bebc6e07
RR		 23022009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2303
fcb82ab0 2304 PR target/27237
bebc6e07
RR		 2305 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2306
6b12efe9
RG		 23072009-03-31 Richard Guenther <rguenther@suse.de>
2308
2309 PR middle-end/31029
2310 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2311 equality comparisons. Fold C - X CMP X if C % 2 == 1.
2312
108f6c2f
RG		 23132009-03-31 Richard Guenther <rguenther@suse.de>
2314
2315 * tree.h (div_if_zero_remainder): Declare.
2316 * fold-const.c (div_if_zero_remainder): Export.
2317 * tree-ssa-forwprop.c
2318 (forward_propagate_addr_into_variable_array_index): Handle
2319 constant array index addition outside of the variable index.
2320
8f612190
JM		 23212009-03-31 Joseph Myers <joseph@codesourcery.com>
2322
2323 PR target/39592
2324 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2325 define_splits, floatunssi<mode>2): Require x87 conversions from
2326 DImode to be permitted.
2327
47580d22
JM		 23282009-03-31 Joseph Myers <joseph@codesourcery.com>
2329
2330 PR preprocessor/15638
2331 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2332
ba4d8f9d
RG		 23332009-03-31 Richard Guenther <rguenther@suse.de>
2334
2335 PR middle-end/23401
2336 PR middle-end/27810
2337 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2338 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2339 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2340 a separate statement.
2341 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2342 (lookup_tmp_var): Likewise.
2343 (is_gimple_formal_tmp_or_call_rhs): Remove.
2344 (is_gimple_reg_or_call_rhs): Rename to ...
2345 (is_gimple_reg_rhs_or_call): ... this.
2346 (is_gimple_mem_or_call_rhs): Rename to ...
2347 (is_gimple_mem_rhs_or_call): ... this.
2348 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
2349 DECL_GIMPLE_REG_P only if is_formal is true.
2350 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
2351 for non-proper post-modify expression gimplification.
2352 (gimplify_self_mod_expr): For post-modify expressions gimplify
2353 the lvalue to a minimal lvalue.
2354 (rhs_predicate_for): Remove formal temp case.
2355 (gimplify_modify_expr_rhs): Likewise.
2356 (gimplify_addr_expr): Use is_gimple_reg.
2357 (gimplify_expr): Remove formal temp cases.
2358 (gimple_regimplify_operands): Likewise.
2359 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2360 and FILTER_EXPR like constants.
2361 * gimple.c (walk_gimple_op): Fix val_only initialization, use
2362 is_gimple_reg.
2363 (is_gimple_formal_tmp_rhs): Remove.
2364 (is_gimple_reg_rhs): Remove special casing.
2365 (is_gimple_mem_rhs): Fix.
2366 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2367 (is_gimple_formal_tmp_var): Remove.
2368 (is_gimple_formal_tmp_reg): Likewise.
2369 (is_gimple_min_lval): Allow invariant component ref parts.
2370 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2371 is_gimple_formal_tmp_reg): Remove declarations.
2372 * tree-cfg.c (verify_expr): Verify that variables with address
2373 taken do not have DECL_GIMPLE_REG_P set.
2374 * tree-mudflap.c (mf_build_check_statement_for): Use
2375 force_gimple_operand instead of gimplify_expr.
2376
8de9b877
AZ		 23772009-03-31 Ayal Zaks <zaks@il.ibm.com>
2378
2379 * modulo-sched.c (sms_schedule_by_order): Pass the actual
2380 schedulable rows to compute_split_row.
2381
b5e3caf2
BE		 23822009-03-31 Ben Elliston <bje@au.ibm.com>
2383
2384 PR target/31635
2385 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2386 OPT_mvrsave.
2387
9752c4ad
AM		 23882009-03-31 Alan Modra <amodra@bigpond.net.au>
2389
2390 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2391 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2392 * configure: Regenerate.
2393 * config.in: Regenerate.
2394 * config/rs6000/rs6000.opt (mtls-markers): Add.
2395 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2396 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2397 (tls_ld_aix, tls_ld_sysv): Likewise.
2398 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2399 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2400
b597d1b6
AM		 24012009-03-31 Alan Modra <amodra@bigpond.net.au>
2402
2403 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2404
a203a221
JH		 24052009-03-30 Jan Hubicka <jh@suse.cz>
2406
b597d1b6
AM		 2407 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2408 out of RESX.
2409 (tree_remove_unreachable_handlers): Cleanup EH predecestor
2410 detection and label handling.
a203a221 2411
5b0c0b2c
VM		 24122009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2413
2414 * ira-int.h (ira_allocno): Rename left_conflicts_num to
2415 left_conflicts_size.
2416 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2417 ALLOCNO_LEFT_CONFLICTS_SIZE.
2418
2419 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2420 remove_allocno_from_bucket_and_push,
2421 allocno_spill_priority_compare, push_allocnos_to_stack,
2422 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2423 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2424 (setup_allocno_left_conflicts_num): Ditto. Rename to
2425 setup_allocno_left_conflicts_size.
2426 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2427 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2428 setup_allocno_left_conflicts_size instead of
2429 setup_allocno_left_conflicts_num.
2430
2431 * ira-build.c (ira_create_allocno): Use
2432 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2433 ALLOCNO_LEFT_CONFLICTS_NUM.
2434
9a48a93f
VM		 24352009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2436
2437 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2438 instead of DF_LR_OUT.
2439
2440 * ira-lives.c (process_bb_node_lives): Ditto.
2441
2442 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2443 instead of DF_LR_{OUT,IN}.
2444
2445 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2446
2447 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2448
4c936d4f
JH		 24492009-03-30 Jan Hubicka <jh@suse.cz>
2450
2451 * except.c (label_to_region_map): Fix thinko.
2452
f4d9f129
SE		 24532009-03-30 Steve Ellcey <sje@cup.hp.com>
2454
2455 PR middle-end/38237
2456 * tree.h (tree_find_value): New declaration.
2457 * tree.c (tree_find_value): New function.
2458 * varasm.c (assemble_external): Avoid duplicate entries on lists.
2459
b3f27c15
JJ		 24602009-03-30 Jakub Jelinek <jakub@redhat.com>
2461
2462 PR debug/39563
2463 * c-decl.c (struct c_binding): Add locus field.
2464 (bind): Add locus argument, set locus field from it.
2465 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2466 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2467 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2468 implicitly_declare, undeclared_variable, lookup_label,
2469 declare_label, c_make_fname_decl, c_builtin_function,
2470 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2471 bind callers.
2472
680e8a00
L		 24732008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2474
2475 PR target/38781
2476 * config/i386/i386.c (classify_argument): Check total size of
2477 structure.
2478
133f9369
MJ		 24792009-03-30 Martin Jambor <mjambor@suse.cz>
2480
2481 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2482 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2483 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2484 respectively.
2485
2486 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2487 seen_variable_array_ref while also traversing a union.
2488
2489 * tree-inline.c (optimize_inline_calls): Do not call
2490 cgraph_node_remove_callees.
2491 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2492 (pass_remove_cgraph_callee_edges): New variable.
2493 * passes.c (init_optimization_passes): Add
2494 pass_remove_cgraph_callee_edges after early inlining and before all
2495 late intraprocedural passes.
2496
2497 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2498
1190f2eb
PB		 24992009-03-30 Paolo Bonzini <bonzini@gnu.org>
2500
2501 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2502 Fix typos in names.
2503
fedc1775
PB		 25042009-03-30 Paolo Bonzini <bonzini@gnu.org>
2505
fcb82ab0
UB		 2506 * combine.c (simplify_comparison): Use have_insn_for.
2507 * dojump.c (do_jump): Likewise.
fedc1775 2508
65c5ae8b
PB		 25092009-03-30 Paolo Bonzini <bonzini@gnu.org>
2510
2511 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2512 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2513 sparc_compare_op0 like sparc_compare_emitted used to be handled.
2514 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2515 instead of sparc_compare_emitted.
2516 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2517 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2518 instead of sparc_compare_emitted.
2519
d25aa7ab
PB		 25202009-03-30 Paolo Bonzini <bonzini@gnu.org>
2521
2522 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2523 enter/exit cfglayout mode.
2524 (pass_partition_block): Require it.
2525 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2526 (combine_instructions): Track basic blocks instead of labels.
2527 (update_cfg_for_uncondjump): New.
2528 (try_combine): Use it. Update jumps after rescanning.
2529 (pass_combine): Require PROP_cfglayout.
2530 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2531
9c9e26f5
PB		 25322009-03-30 Paolo Bonzini <bonzini@gnu.org>
2533
fcb82ab0
UB		 2534 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2535 Provide/destroy PROP_cfglayout respectively.
2536 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2537 * tree-pass.h (PROP_cfglayout): New.
9c9e26f5 2538
28ddeea1
PB		 25392009-03-30 Paolo Bonzini <bonzini@gnu.org>
2540
2541 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2542 fold_convert_const_fixed_from_fixed,
2543 fold_convert_const_fixed_from_int,
2544 fold_convert_const_fixed_from_real, fold_negate_const): Do not
2545 set TREE_CONSTANT_OVERFLOW.
2546 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2547 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2548
ebfd146a
IR		 25492009-03-30 Ira Rosen <irar@il.ibm.com>
2550
2551 * tree-vect-loop-manip.c: New file.
2552 * tree-vectorizer.c: Update documentation and included files.
2553 (vect_loop_location): Make extern.
2554 (rename_use_op): Move to tree-vect-loop-manip.c
2555 (rename_variables_in_bb, rename_variables_in_loop,
2556 slpeel_update_phis_for_duplicate_loop,
2557 slpeel_update_phi_nodes_for_guard1,
2558 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2559 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2560 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2561 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
2562 find_loop_location): Likewise.
2563 (new_stmt_vec_info): Move to tree-vect-stmts.c.
2564 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2565 get_vectype_for_scalar_type, vect_is_simple_use,
2566 supportable_widening_operation, supportable_narrowing_operation):
2567 Likewise.
2568 (bb_in_loop_p): Move to tree-vect-loop.c.
2569 (new_loop_vec_info, destroy_loop_vec_info,
2570 reduction_code_for_scalar_code, report_vect_op,
2571 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2572 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2573 (vect_supportable_dr_alignment): Likewise.
2574 * tree-vectorizer.h (tree-data-ref.h): Include.
2575 (vect_loop_location): Declare.
2576 Reorganize function declarations according to the new file structure.
2577 * tree-vect-loop.c: New file.
2578 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
2579 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2580 * tree-vect-data-refs.c: New file.
2581 * tree-vect-patterns.c (timevar.h): Don't include.
2582 * tree-vect-stmts.c: New file.
2583 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
2584 tree-vect-slp.c, tree-vect-loop.c.
2585 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
2586 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
2587 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2588 (tree-vect-analyze.o): Remove.
2589 (tree-vect-transform.o): Likewise.
2590 (tree-vect-data-refs.o): Add rule.
2591 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
2592 tree-vect-slp.o): Likewise.
2593 (tree-vect-patterns.o): Remove redundant dependencies.
2594 (tree-vectorizer.o): Likewise.
2595 * tree-vect-slp.c: New file.
2596
40a1cfba
RW		 25972009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2598
2599 * optc-gen.awk: Warn if an option flag has multiple different
2600 help strings.
2601
a9a7a9a2
SP		 26022009-03-30 Sebastian Pop <sebastian.pop@amd.com>
2603
2604 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
2605 -floop-block): Document dependences on PPL, CLooG and Graphite.
2606
8ce94e44
JM		 26072009-03-30 Joseph Myers <joseph@codesourcery.com>
2608
2609 PR rtl-optimization/323
2610 * c-common.c (c_fully_fold, convert_and_check,
2611 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
2612 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
2613 * c-common.def (EXCESS_PRECISION_EXPR): New.
2614 * c-cppbuiltin.c (builtin_define_float_constants): Define
2615 constants with enough digits for long double.
2616 * c-lex.c (interpret_float): Interpret constant with excess
2617 precision where appropriate.
2618 * c-opts.c (c_common_post_options): Set
2619 flag_excess_precision_cmdline. Give an error for
2620 -fexcess-precision=standard for C++ for processors where the
2621 option is significant.
2622 * c-parser.c (c_parser_conditional_expression): Handle excess
2623 precision in condition.
2624 * c-typeck.c (convert_arguments): Handle arguments with excess
2625 precision.
2626 (build_unary_op): Move excess precision outside operation.
2627 (build_conditional_expr): Likewise.
2628 (build_compound_expr): Likewise.
2629 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
2630 (build_modify_expr): Handle excess precision in RHS.
2631 (convert_for_assignment): Handle excess precision in converted
2632 value.
2633 (digest_init, output_init_element, process_init_element): Handle
2634 excess precision in initializer.
2635 (c_finish_return): Handle excess precision in return value.
2636 (build_binary_op): Handle excess precision in operands and add
2637 excess precision as needed for operation.
2638 * common.opt (-fexcess-precision=): New option.
2639 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
2640 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
2641 For standard excess precision, output explicit conversion to and
2642 truncation from XFmode.
2643 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
2644 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
2645 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
2646 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
2647 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
2648 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
2649 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
2650 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
2651 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
2652 define_splits, sqrt<mode>2): Disable where appropriate for
2653 standard excess precision.
2654 * convert.c (convert_to_real): Do not shorten arithmetic to type
2655 for which excess precision would be used.
2656 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
2657 * doc/invoke.texi (-fexcess-precision=): Document option.
2658 (-mfpmath=): Correct index entry.
2659 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
2660 flag_excess_precision): New.
2661 * langhooks.c (lhd_post_options): Set
2662 flag_excess_precision_cmdline.
2663 * opts.c (common_handle_option): Handle -fexcess-precision=.
2664 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
2665 init_excess_precision): New.
2666 (lang_dependent_init_target): Call init_excess_precision.
2667 * tree.c (excess_precision_type): New.
2668 * tree.h (excess_precision_type): Declare.
2669
1e57bf47
JM		 26702009-03-30 Joseph Myers <joseph@codesourcery.com>
2671
2672 PR c/35235
2673 * c-typeck.c (build_component_ref): Do not copy qualifiers from
2674 non-lvalue to component.
2675
148e4216
JM		 26762009-03-29 Joseph Myers <joseph@codesourcery.com>
2677
2678 PR preprocessor/34695
2679 * Makefile.in (c-opts.o): Depend on c-tree.h.
2680 * c-common.c: Move down include of diagnostic.h.
2681 (done_lexing, c_cpp_error): New.
2682 * c-common.h (done_lexing): Declare.
2683 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
2684 (parse_in).
2685 * c-opts.c: Include c-tree.h.
2686 (c_common_init_options): Set preprocessor error callback.
2687 (c_common_handle_option): Do not set preprocessor
2688 inhibit_warnings, warnings_are_errors, warn_system_headers,
2689 pedantic_errors or inhibit_warnings flags.
2690 (c_common_post_options): Do not check cpp_errors (parse_in).
2691 (c_common_finish): Do not output dependencies if there were
2692 errors. Do not check return value of cpp_finish.
2693 * c-ppoutput.c (pp_file_change): Set input_location.
2694 * c-tree.h (c_cpp_error): Declare.
2695 * diagnostic.c (diagnostic_set_info_translated): Also initialize
2696 override_column.
2697 (diagnostic_build_prefix): Check override_column.
2698 * diagnostic.h (diagnostic_info): Add override_column field.
2699 (diagnostic_override_column): Define.
2700
2ec5deb5
PB		 27012009-03-28 Paolo Bonzini <bonzini@gnu.org>
2702
ba20e309
UB		 2703 * c-common.c (c_expand_expr, c_staticp): Remove.
2704 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
2705 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
2706 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
2707 * c-gimplify.c (gimplify_compound_literal_expr,
2708 optimize_compound_literals_in_ctor): Remove.
2709 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
2710 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
2711 * c-semantics.c (emit_local_var): Remove.
2712
2713 * langhooks-def.h (lhd_expand_expr): Remove.
2714 * langhooks.c (lhd_expand_expr): Remove.
2715 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
2716
2717 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
2718 handling from c-semantics.c; don't call into langhook.
2719 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
2720 * gimplify.c (gimplify_compound_literal_expr,
2721 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
2722 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
2723 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
2724 as was done in c-gimplify.c.
2725 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
2726 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
2727 Move from c-common.h.
2728 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2ec5deb5
PB		 2729
2730 * tree.c (staticp): Do not call langhook.
2731 * langhooks.c (lhd_staticp): Delete.
2732 * langhooks-def.h (lhd_staticp): Delete prototype.
2733 (LANG_HOOKS_STATICP): Delete.
2734 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
2735
ba20e309
UB		 2736 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
2737 instead of DECL_STMTs.
2ec5deb5 2738
928c19bb
JM		 27392009-03-29 Joseph Myers <joseph@codesourcery.com>
2740
2741 PR c/456
2742 PR c/5675
2743 PR c/19976
2744 PR c/29116
2745 PR c/31871
2746 PR c/35198
2747 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
2748 void_type_node.
2749 (fold_call_expr): Return a NOP_EXPR from folding rather than the
2750 contained expression.
ba20e309 2751 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
928c19bb
JM		 2752 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
2753 conditional expressions for C.
2754 (decl_constant_value_for_optimization): Move from
ba20e309 2755 decl_constant_value_for_broken_optimization in c-typeck.c. Check
928c19bb
JM		 2756 whether optimizing and that the expression is a VAR_DECL not of
2757 array type instead of doing such checks in the caller. Do not
2758 check pedantic. Call gcc_unreachable for C++.
2759 * c-common.def (C_MAYBE_CONST_EXPR): New.
2760 * c-common.h (c_fully_fold, c_save_expr,
2761 decl_constant_value_for_optimization): New prototypes.
2762 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2763 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2764 EXPR_INT_CONST_OPERANDS): Define.
2765 * c-convert.c (convert): Strip nops from expression.
2766 * c-decl.c (groktypename): Take extra parameters expr and
2767 expr_const_operands. Update call to grokdeclarator.
2768 (start_decl): Update call to grokdeclarator. Add statement for
2769 expressions used in type of decl.
2770 (grokparm): Update call to grokdeclarator.
2771 (push_parm_decl): Update call to grokdeclarator.
2772 (build_compound_literal): Add parameter non_const and build a
2773 C_MAYBE_COSNT_EXPR if applicable.
2774 (grokdeclarator): Take extra parameters expr and
2775 expr_const_operands. Track expressions used in declaration
2776 specifiers and declarators. Fold array sizes and track whether
2777 they are constant expressions and whether they are integer
2778 constant expressions.
2779 (parser_xref_tag): Set expr and expr_const_operands fields in
2780 return value.
2781 (grokfield): Update call to grokdeclarator.
2782 (start_function): Update call to grokdeclarator.
2783 (build_null_declspecs): Set expr and expr_const_operands fields in
2784 return value.
2785 (declspecs_add_type): Handle expressions in typeof specifiers.
2786 * c-parser.c (c_parser_declspecs): Set expr and
2787 expr_const_operands fields for declaration specifiers.
2788 (c_parser_enum_specifier): Likewise.
2789 (c_parser_struct_or_union_specifier): Likewise.
2790 (c_parser_typeof_specifier): Likewise. Update call to
2791 groktypename. Fold expression as needed. Return expressions with
2792 type instead of adding statements.
2793 (c_parser_attributes): Update calls to c_parser_expr_list.
2794 (c_parser_statement_after_labels): Fold expression before passing
2795 to objc_build_throw_stmt.
2796 (c_parser_condition): Fold expression.
2797 (c_parser_asm_operands): Fold expression.
2798 (c_parser_conditional_expression): Use c_save_expr. Update call
2799 to build_conditional_expr.
2800 (c_parser_alignof_expression): Update call to groktypename.
2801 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
2802 original_code. Fold expression argument of va_arg. Create
2803 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
2804 argument to va_arg. Update calls to groktypename. Fold array
2805 index for offsetof. Verify that first argument to
2806 __builtin_choose_expr has integer type.
2807 (c_parser_postfix_expression_after_paren_type): Update calls to
2808 groktypename and build_compound_literal. Handle expressions with
2809 side effects in type name.
2810 (c_parser_postfix_expression_after_primary): Update call to
2811 c_parser_expr_list. Set original_code for calls to
2812 __builtin_constant_p.
2813 (c_parser_expr_list): Take extra parameter fold_p. Fold
2814 expressions if requested.
2815 (c_parser_objc_type_name): Update call to groktypename.
2816 (c_parser_objc_synchronized_statement): Fold expression.
2817 (c_parser_objc_receiver): Fold expression.
2818 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
2819 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
2820 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
2821 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
2822 (struct c_typespec): Add elements expr and expr_const_operands.
2823 (struct c_declspecs): Add elements expr and expr_const_operands.
2824 (groktypename, build_conditional_expr, build_compound_literal):
2825 Update prototypes.
2826 (in_late_binary_op): Declare.
2827 * c-typeck.c (note_integer_operands): New function.
2828 (in_late_binary_op): New variable.
2829 (decl_constant_value_for_broken_optimization): Move to c-common.c
2830 and rename to decl_constant_value_for_optimization.
2831 (default_function_array_conversion): Do not strip nops.
2832 (default_conversion): Do not call
2833 decl_constant_value_for_broken_optimization.
2834 (build_array_ref): Do not fold result.
2835 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
2836 result when operand is a VLA.
2837 (c_expr_sizeof_type): Update call to groktypename. Handle
2838 expressions included in type name. Use C_MAYBE_CONST_EXPR for
2839 result when operand names a VLA type.
2840 (build_function_call): Update call to build_compound_literal.
2841 Only fold result for calls to __builtin_* functions. Strip
2842 NOP_EXPR from INTEGER_CST returned from such functions. Fold
2843 the function designator.
2844 (convert_arguments): Fold arguments. Update call to
2845 convert_for_assignment.
2846 (build_unary_op): Handle increment and decrement of
2847 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
2848 decrement earlier. Fold operand of increment and decrement.
2849 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
2850 built for integer operand. Wrap returns that are INTEGER_CSTs
2851 without being integer constant expressions or that have integer
2852 constant operands without being INTEGER_CSTs.
2853 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
2854 (build_conditional_expr): Add operand ifexp_bcp. Track whether
2855 result is an integer constant expression or can be used in
2856 unevaluated parts of one and avoid folding and wrap as
2857 appropriate. Fold operands before possibly doing -Wsign-compare
2858 warnings.
2859 (build_compound_expr): Wrap result for C99 if operands can be used
2860 in integer constant expressions.
2861 (build_c_cast): Update call to digest_init. Do not ignore
2862 overflow from casting floating-point constants to integers. Wrap
2863 results that could be confused with integer constant expressions,
2864 null pointer constants or floating-point constants.
2865 (c_cast_expr): Update call to groktypename. Handle expressions
2866 included in type name.
2867 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
2868 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
2869 Update calls to convert_for_assignment.
2870 (convert_for_assignment): Take new parameter
2871 null_pointer_constant. Do not strip nops or call
2872 decl_constant_value_for_broken_optimization. Set
2873 in_late_binary_op for conversions to boolean.
2874 (store_init_value): Update call to digest_init.
2875 (digest_init): Take new parameter null_pointer_constant. Do not
2876 call decl_constant_value_for_broken_optimization. pedwarn for
2877 initializers not constant expressions. Update calls to
2878 convert_for_assignment.
2879 (constructor_nonconst): New.
2880 (struct constructor_stack): Add nonconst element.
2881 (really_start_incremental_init, push_init_level, pop_init_level):
2882 Handle constructor_nonconst and nonconst element.
2883 (set_init_index): Call constant_expression_warning for array
2884 designators.
2885 (output_init_element): Fold value. Set constructor_nonconst as
2886 applicable. pedwarn for initializers not constant expressions.
2887 Update call to digest_init. Call constant_expression_warning
2888 where constant initializers are required.
2889 (process_init_element): Use c_save_expr.
2890 (c_finish_goto_ptr): Fold expression.
2891 (c_finish_return): Fold return value. Update call to
2892 convert_for_assignment.
2893 (c_start_case): Fold switch expression.
2894 (c_process_expr_stmt): Fold expression.
2895 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
ba20e309 2896 ensure statement expression is not evaluated in constant expression.
928c19bb
JM		 2897 (build_binary_op): Track whether results are integer constant
2898 expressions or may occur in such, disable folding and wrap results
2899 as applicable. Fold operands for -Wsign-compare warnings unless
2900 in_late_binary_op.
2901 (c_objc_common_truthvalue_conversion): Handle results folded to
2902 integer constants that are not integer constant expressions.
2903 * doc/extend.texi: Document when typeof operands are evaluated,
2904 that condition of __builtin_choose_expr is an integer constant
2905 expression, and more about use of __builtin_constant_p in
2906 initializers.
2907
5babbcc0
RG		 29082009-03-29 Richard Guenther <rguenther@suse.de>
2909
2910 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
2911 propagate addresses of array references.
2912
0340f2ba
SB		 29132009-03-29 Steven Bosscher <steven@gcc.gnu.org>
2914
2915 * regmove.c (perhaps_ends_bb_p): Remove.
2916 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
2917 from INSN and check that the main loop stays within that basic block.
2918 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
2919 (regmove_forward_pass): Split out from regmove_optimize. Use
2920 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
2921 (regmove_backward_pass): Split out from regmove_optimize. Use
2922 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
2923 (regmove_optimize): Simplify.
2924
eeae74a1
L		 29252009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2926
2927 PR target/39545
2928 * config/i386/i386.c (classify_argument): Ignore flexible array
2929 member in struct and warn ABI change.
2930
a24078b2
L		 29312009-03-29 H.J. Lu <hongjiu.lu@intel.com>
2932
2933 * config/i386/i386-protos.h (ix86_agi_dependent): New.
2934
2935 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
2936 (ix86_adjust_cost): Updated.
2937
a8da523f
JH		 29382009-03-29 Jan Hubicka <jh@suse.cz>
2939
2940 PR middle-end/28850
2941 * tree-pass.h (pass_cleanup_eh): New function.
2942 (remove_unreachable_regions): Break code handling RTL
2943 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
2944 that can not be reached by runtime.
2945 (can_be_reached_by_runtime): New function.
2946 (label_to_region_map): New function.
2947 (num_eh_regions): New function.
2948 (rtl_remove_unreachable_regions): New function.
2949 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
2950 (remove_eh_region): New function.
2951 * except.h: Include sbitmap and vecprim.
2952 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
2953 num_eh_regions): Declare.
2954 * passes.c (init_optimization_passes): Schedule cleanup_eh.
ba20e309 2955 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
a8da523f
JH		 2956 * tree-eh.c (tree_remove_unreachable_handlers): New function.
2957 (tree_empty_eh_handler_p): New function.
2958 (cleanup_empty_eh): New function.
2959 (cleanup_eh): New function.
2960 (pass_cleanup_eh): New function.
2961
98f358e5
JH		 29622009-03-29 Jan Hubicka <jh@suse.cz>
2963
2964 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
2965 for removed regions.
2966
13a9fa44
JH		 29672009-03-29 Jan Hubicka <jh@suse.cz>
2968
2969 * except.c (dump_eh_tree): Dump all datastructures.
2970
e38cf733
JH		 29712009-03-29 Jan Hubicka <jh@suse.cz>
2972
2973 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
2974 (duplicate_eh_regions_1): Likewise.
2975 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
2976 vector; call EH verification.
2977 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2978 Be ready for region being removed.
2979
12802c2b
JH		 29802009-03-29 Jan Hubicka <jh@suse.cz>
2981
2982 * bitmap.c (bitmap_last_set_bit): New function.
2983 * bitmap.h (bitmap_last_set_bit): Declare.
2984
4ea80a41
DA		 29852009-03-29 David Ayers <ayers@fsfe.org>
2986
2987 PR objc/27377
2988 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
2989 by calling objc_compare_types and surpress warnings about
2990 incompatible C pointers that are compatible ObjC pointers.
2991
29922009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3dc9eaa6
AN		 2993
2994 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
2995 call initialize_inline_failed.
2996 (initialize_inline_failed): Move it from here ...
2997 * cgraph.c (initialize_inline_failed): ... to here.
2998 (cgraph_create_edge): Call initialize_inline_failed rather than
2999 setting inline_failed directly.
3000
7fb0ee07
BE		 30012009-03-29 Ben Elliston <bje@au.ibm.com>
3002
3003 PR target/32542
3004 * sysv4.opt (msdata): Improve comment.
3005 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3006 * sysv4.h (SVR4_ASM_SPEC): Likewise.
3007
0be77bf2
BE		 30082009-03-29 Ben Elliston <bje@au.ibm.com>
3009
3010 PR target/30451
3011 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3012 load and store attributes.
3013
593812b6
BE		 30142009-03-29 Ben Elliston <bje@au.ibm.com>
3015
3016 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3017 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3018 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3019 * doc/extend.texi (X86 Built-in Functions): Add index entries for
3020 __builtin_infq and __builtin_huge_valq.
3021
8272d11d
AS		 30222009-03-28 Anatoly Sokolov <aesok@post.ru>
3023
3024 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3025 atmega8m1 devices.
3026 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3027 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3028
74fe548b
XDL		 30292009-03-28 Xinliang David Li <davidxl@google.com>
3030
3031 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
3032 (do_dbg_cnt): New function.
3033
33977f81
JH		 30342009-03-28 Jan Hubicka <jh@suse.cz>
3035
3036 Merge from pretty-ipa:
3037
3038 2009-03-27 Jan Hubicka <jh@suse.cz>
ba20e309 3039
33977f81
JH		 3040 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3041 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3042 * passes.c (function_called_by_processed_nodes_p): New.
3043 * ipa-pure-const.c (check_call): Fix handling of operands.
3044 (analyze_function): Dump debug output for skipped bodies.
3045 (local_pure_const): Use function_called_by_processed_nodes_p.
3046 * dwarf2out.c (reference_to_unused): Use output.
3047 * passes.c (do_per_function_toporder): Likewise.
3048
3049 2008-11-12 Jan Hubicka <jh@suse.cz>
3050
3051 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3052 * ipa-pure-const.c (funct_state_d): Add can throw field; make
3053 state_set_in_source enum
3054 (check_decl): Ignore memory tags; do not set fake looping flags;
3055 dump diagnostics.
3056 (check_operand, check_tree, check_rhs_var, check_lhs_var,
3057 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3058 (check_call, analyze_function): Rewrite.
3059 (check_stmt): New.
3060 (add_new_function): Update call of analyze_function.
3061 (generate_summary): Add call of analyze_function.
3062 (propagate): Propagate can_throw; handle state_set_in_source correctly.
3063 (local_pure_const): New function.
3064 (pass_local_pure_const): New pass.
3065 * ipa-inline.c (inline_transform): Set after_inlining.
3066 * tree-eh.c (stmt_can_throw_external): New.
3067 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3068 work with aliasing built.
3069 * tree-flow.h (stmt_can_throw_external): New.
3070 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3071 and local pure/const pass in early and late optimization queue.
ba20e309 3072
617f3897
MJ		 30732009-03-28 Martin Jambor <mjambor@suse.cz>
3074
3075 * fold-const.c (get_pointer_modulus_and_residue): New parameter
3076 allow_func_align.
3077 (fold_binary): Allow function decl aligment consideration is the
3078 second argument is integer constant one.
3079 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3080 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3081 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3082
fe89fbc5
JH		 30832009-03-28 Jan Hubicka <jh@suse.cz>
3084
3085 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3086 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3087 * function.h (rtl_data): Add nothrow flag.
3088 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3089 set DECL_NOTHROW for AVAILABLE functions.
3090
574872ff
JJ		 30912009-03-28 Jakub Jelinek <jakub@redhat.com>
3092
b3bf8855
JJ		 3093 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3094 following vector keyword has expansion starting with pixel or bool
3095 keyword, expand vector to __vector and pixel or bool to __pixel or
3096 __bool.
3097
574872ff
JJ		 3098 PR c++/39554
3099 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3100 warn_if_disallowed_function_p): Removed.
3101 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3102 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3103 warning_if_disallowed_function_p.
3104 * flags.h (warn_if_disallowed_function_p,
3105 warn_disallowed_functions): Removed.
3106 * common.opt (Wdisallowed-function-list=): Removed.
3107 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3108
b005da11
RG		 31092009-03-28 Richard Guenther <rguenther@suse.de>
3110
3111 PR tree-optimization/38723
3112 * tree-ssa-pre.c (compute_avail): Add all default definitions to
3113 the entry block.
3114
1de812a6
JH		 31152009-03-28 Jan Hubicka <jh@suse.cz>
3116
3117 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3118 test introduced by my previous patch.
3119
fbb789d4
RG		 31202009-03-28 Richard Guenther <rguenther@suse.de>
3121
3122 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3123 the PHIs value undefined.
3124
6f1873a1
JH		 31252009-03-28 Jan Hubicka <jh@suse.cz>
3126
3127 * tree-pass.h (pass_fixup_cfg): New pass.
3128 * ipa-inline.c (inline_transform): Set
3129 always_inline_functions_inlined/after_inlining.
3130 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3131 (pass_fixup_cfg): New pass.
3132 * passes.c (init_optimization_passes): Add fixup_cfg.
3133
17021bc8
RG		 31342009-03-28 Richard Guenther <rguenther@suse.de>
3135
3136 PR tree-optimization/38458
3137 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3138 argument use the arguments copy-of value.
3139
e8114fba
RG		 31402009-03-28 Richard Guenther <rguenther@suse.de>
3141
3142 PR tree-optimization/38180
3143 * tree-ssa-ccp.c (get_default_value): Simplify.
3144 (likely_value): Likewise.
3145 (surely_varying_stmt_p): Properly handle VOP case.
3146 (ccp_initialize): Likewise.
3147 (ccp_fold): Handle propagating through *&.
3148 (fold_const_aggregate_ref): Also handle decls.
3149
257eb6e3
JH		 31502009-03-28 Jan Hubicka <jh@suse.cz>
3151
3152 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3153 * cgraph.h (cgraph_node): Likewise.
3154 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3155 (cgraph_reset_node): Use process flag.
3156 (cgraph_mark_functions_to_output): Likewise.
3157 (cgraph_expand_function): Likewise.
3158 (cgraph_expand_all_functions): Likewise.
3159 (cgraph_output_in_order): Likewise.
3160 * dwarf2out.c (reference_to_unused): Likewise.
3161 * passes.c do_per_function_toporder): Likewise.
3162
61a05df1
JH		 31632009-03-28 Jan Hubicka <jh@suse.cz>
3164
3165 Bring from lto-branch:
ba20e309 3166
61a05df1
JH		 3167 2008-09-03 Doug Kwan <dougkwan@google.com>
3168
3169 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3170 enums instead of reason strings.
3171 * cgraph.c (cgraph_create_edge): Same.
3172 (cgraph_inline_failed_string): New function.
3173 * cgraph.h (cgraph_inline_failed_t): New enum type.
3174 (cgraph_inline_failed_string): New prototype.
3175 (struct cgraph_edge): Change type of INLINED_FAILED from constant
3176 char pointer to cgraph_inline_failed_t.
3177 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3178 (cgraph_default_inline_p): Ditto.
3179 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3180 to cgraph_inline_failed_t pointer.
3181 * cif-code.def: New file.
3182 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3183 reason string.
3184 (cgraph_check_inline_limits): Change type of REASON to pointer to
3185 cgraph_inline_failed_t. Replace reason strings with enums.
3186 (cgraph_default_inline_p): Ditto.
3187 (cgraph_recursive_inlining_p): Ditto.
3188 (update_caller_keys): Change type of FAILED_REASON to
3189 cgraph_inline_failed_t.
3190 (cgraph_set_inline_failed): Change type of REASON to pointer to
3191 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
3192 convert enums to strings for text output.
3193 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3194 to be of type cgraph_inline_failed_t. Replace reason strings with
3195 enums. Call cgraph_inline_failed_string to covert enums
3196 to strings for text output.
3197 (cgraph_decide_inlining): Replace reason strings with enums.
3198 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3199 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
3200 for text output.
3201 * tree-inline.c (expand_call_inline): Change type of REASON
3202 to cgraph_inline_failed_t. Replace reason strings with enums.
3203 Call cgraph_inline_failed_string for text output.
3204 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3205 (cgraph.o): Ditto.
3206
144e8aac
JH		 32072009-03-28 Jan Hubicka <jh@suse.cz>
3208
3209 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3210 cgraph_clone_node): Remove master clone handling.
3211 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3212 * cgraph.h (master_clone): Remove.
3213 (cgraph_is_master_clone, cgraph_master_clone): Remove.
3214 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3215 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3216
4a371c8d
JH		 32172009-03-28 Jan Hubicka <jh@suse.cz>
3218
3219 * cgraph.c (cgraph_function_body_availability): Functions declared
3220 inline are always safe to assume that it is not going to be replaced.
3221
6cdb0ee3
RG		 32222009-03-28 Richard Guenther <rguenther@suse.de>
3223
3224 PR tree-optimization/38513
3225 * tree-ssa-pre.c (eliminate): Remove redundant stores.
3226 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3227 EXC_PTR_EXPR and FILTER_EXPR.
3228 (get_ref_from_reference_ops): Likewise.
3229
8ca1fd76
RG		 32302009-03-28 Richard Guenther <rguenther@suse.de>
3231
3232 PR tree-optimization/38968
3233 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3234 Use FLOOR_MOD_EXPR to compute misalignment.
3235
a254e44d
RG		 32362009-03-28 Richard Guenther <rguenther@suse.de>
3237
3238 PR tree-optimization/37795
3239 * tree.h (combine_comparisons): Declare.
3240 * fold-const.c (combine_comparisons): Export.
3241 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3242 comparisons.
3243 (ifcombine_iforif): Use combine_comparisons.
3244
a8ee227c
JH		 32452009-03-28 Jan Hubicka <jh@suse.cz>
3246
3247 * tree-eh.c (inlinable_call_p): New function.
3248 (make_eh_edges): Use it.
3249 (verify_eh_edges): Use it.
3250 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3251 * except.c (reachable_next_level): Add inlinable_function argument
3252 (sjlj_find_directly_reachable_regions): Update.
3253 (add_reachable_handler): Do not set saw_any_handlers.
3254 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3255 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3256 Add new inlinable call parameter.
3257 (can_throw_internal, can_throw_external): Update.
3258 * except.h (can_throw_internal_1, can_throw_external_1,
3259 foreach_reachable_handler): Update declaration.
3260
52c0e446
JM		 32612009-03-28 Joseph Myers <joseph@codesourcery.com>
3262
3263 * config/arm/t-arm-coff, config/h8300/coff.h,
3264 config/i386/i386-aout.h, config/i386/i386-coff.h,
3265 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3266 config/pdp11/2bsd.h, config/rs6000/aix41.h,
3267 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3268 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3269 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3270 sys-types.h: Remove.
3271 * Makefile.in: Remove protoize and fixproto support and references
3272 in comments.
3273 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3274 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3275 Remove.
3276 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3277 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3278 unprotoize$(exeext).
3279 (rest.encap): Don't depend on $(STMP_FIXPROTO)
3280 (.PHONY): Don't depend on proto.
3281 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3282 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3283 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3284 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3285 build/gen-protos.o, build/scan.o, xsys-protos.h,
3286 build/fix-header$(build_exeext), build/fix-header.o,
3287 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3288 stmp-install-fixproto): Remove.
3289 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3290 SYSCALLS.c or fixproto files.
3291 (install-common): Don't install protoize.
3292 (install-headers-tar, install-headers-cpio, install-headers-cp):
3293 Don't depend on $(STMP_FIXPROTO).
3294 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
3295 install fixproto files or write out fixproto settings.
3296 (uninstall): Don't uninstall protoize.
3297 * config.gcc (use_fixproto): Remove.
3298 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3299 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3300 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3301 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3302 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3303 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3304 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3305 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3306 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3307 * config/t-vxworks (STMP_FIXPROTO): Remove.
3308 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3309 STMP_FIXPROTO): Remove.
3310 * config.in, configure: Regenerate.
3311 * crtstuff.c (gid_t, uid_t): Don't undefine.
3312 * doc/install.texi: Change m68k-coff to m68k-elf in example.
3313 (arm-*-coff, arm-*-aout: Remove target entries.
3314 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3315 Remove mention of AIX 4.1.
3316 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3317 * doc/invoke.texi (Running Protoize): Remove.
3318 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3319 (Protoize Caveats): Remove.
3320 * tsystem.h: Update comments on headers assumed to exist.
3321
20a07f44
VM		 33222009-03-27 Vladimir Makarov <vmakarov@redhat.com>
3323
3324 * genautomata.c: Add a new year to the copyright. Add a new
3325 reference.
3326 (struct insn_reserv_decl): Add comments for member bypass_list.
3327 (find_bypass): Remove.
3328 (insert_bypass): New.
3329 (process_decls): Use insert_bypass.
3330 (output_internal_insn_latency_func): Output all bypasses with the
3331 same input insn in one switch case.
3332
3333 * rtl.def (define_bypass): Describe bypass choice.
3334 * doc/md.texi (define_bypass): Ditto.
3335
3a0d06c1
RB		 33362009-03-27 Richard Guenther <rguenther@suse.de>
3337
3338 * gimplify.c (mark_addressable): Export.
3339 * tree-flow.h (mark_addressable): Declare.
3340 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3341 * tree-ssa.c (verify_phi_args): Verify that address taken
3342 variables have TREE_ADDRESSABLE set.
3343
33442009-03-27 Richard Guenther <rguenther@suse.de>
3345
3346 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3347 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
3348 Do not mark decls TREE_ADDRESSABLE.
3349 (build_fold_addr_expr): Adjust.
3350 (fold_addr_expr): Remove.
3351 (fold_unary): Use build_fold_addr_expr.
3352 (fold_comparison): Likewise.
3353 (split_address_to_core_and_offset): Likewise.
3354 * coverage.c (tree_coverage_counter_addr): Mark the array decl
3355 TREE_ADDRESSABLE.
3356 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3357 (gimplify_modify_expr_to_memcpy): Mark source and destination
3358 addressable.
3359 * omp-low.c (create_omp_child_function): Mark the object decl
3360 TREE_ADDRESSABLE.
3361 (lower_rec_input_clauses): Mark the var we take the address of
3362 TREE_ADDRESSABLE.
3363 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3364
2ac26e15
L		 33652009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3366
3367 PR middle-end/39315
3368 * cfgexpand.c (expand_one_stack_var_at): Change alignment
3369 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3370
472c7fbd
RG		 33712009-03-27 Richard Guenther <rguenther@suse.de>
3372
3373 PR tree-optimization/39120
3374 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3375 constraints.
3376 (handle_lhs_call): Process return constraints. Add escape
3377 constraints if necessary.
3378 (handle_const_call): Fill out return constraints. Make nested
3379 case more precise. Avoid consttmp if possible.
3380 (handle_pure_call): Fill out return constraints. Avoid
3381 callused if possible.
3382 (find_func_aliases): Simplify call handling.
3383
33842009-03-27 Richard Guenther <rguenther@suse.de>
3385
3386 PR tree-optimization/39120
3387 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3388 as a representative.
3389 (solve_graph): Do propagate CALLUSED.
3390 (handle_pure_call): Use a scalar constraint from CALLUSED for
3391 the return value.
3392 (find_what_p_points_to): CALLUSED shall not appear in poins-to
3393 solutions.
3394
d9223014
L		 33952009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3396
3397 PR c/39323
3398 * c-common.c (handle_aligned_attribute): Properly check alignment
3399 overflow. Use (1U << i) instead of (1 << i).
3400
ba20e309 3401 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
d9223014
L		 3402
3403 * expr.h (get_mem_align_offset): Updated.
3404
3405 * tree.h (tree_decl_common): Change align to "unsigned int" and
3406 move it before pointer_alias_set.
3407
689b689c
L		 34082009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3409 Jakub Jelinek <jakub@redhat.com>
3410
3411 PR target/38034
3412 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3413 gr_register_operand with gr_reg_or_0_operand.
3414 (cmpxchg_rel_di): Likewise.
3415 (sync_lock_test_and_set<mode>): Likewise.
3416
c619e982
L		 34172009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3418
3419 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3420 (true_regnum): Likewise.
3421
3422 * rtlanal.c (subreg_info): Moved to ...
3423 * rtl.h (subreg_info): Here. New.
3424 (subreg_get_info): New.
3425
3426 * rtlanal.c (subreg_get_info): Make it extern.
3427
51212b32
L		 34282009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3429
3430 PR target/39472
3431 * config/i386/i386.c (ix86_abi): New.
3432 (override_options): Handle -mabi=.
ba20e309 3433 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
51212b32
L		 3434 (ix86_call_abi_override): Likewise.
3435 (init_cumulative_args): Likewise.
3436 (function_arg_advance): Likewise.
3437 (function_arg_64): Likewise.
3438 (function_arg): Likewise.
3439 (ix86_pass_by_reference): Likewise.
3440 (ix86_function_value_regno_p): Likewise.
3441 (ix86_build_builtin_va_list_abi): Likewise.
3442 (setup_incoming_varargs_64): Likewise.
3443 (is_va_list_char_pointer): Likewise.
3444 (ix86_init_machine_status): Likewise.
ba20e309 3445 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
51212b32
L		 3446 (ix86_function_type_abi): Return enum calling_abi. Rewrite
3447 for 64bit. Replace DEFAULT_ABI with ix86_abi.
ba20e309 3448 (ix86_function_abi): Make it static and return enum calling_abi.
51212b32
L		 3449 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
3450 with ix86_abi.
3451 (ix86_fn_abi_va_list): Updated.
3452
3453 * config/i386/i386.h (ix86_abi): New.
3454 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3455 (CONDITIONAL_REGISTER_USAGE): Likewise.
3456 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3457 (machine_function): Likewise.
3458
3459 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3460 with ix86_abi.
3461 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3462 (STACK_BOUNDARY): Likewise.
3463 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3464
3465 * config/i386/i386.opt (mabi=): New.
3466
3467 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3468 return enum calling_abi.
3469 (ix86_function_type_abi): Likewise.
3470 (ix86_function_abi): Removed.
3471
3472 * doc/invoke.texi: Document -mabi= option for x86.
3473
7338ea63
KG		 34742009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3475
3476 * builtins.c (real_dconstp): Delete.
3477 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3478
68599f33
DS		 34792009-03-27 Dodji Seketeli <dodji@redhat.com>
3480 Jakub Jelinek <jakub@redhat.com>
3481
3482 PR debug/37959
3483 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3484 (gen_subprogram_die): When a function is explicit, generate the
3485 DW_AT_explicit attribute.
3486 * langhooks.h (struct lang_hooks_for_decls): Add
3487 function_decl_explicit_p langhook.
3488 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3489 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3490
9f5e9983
JJ		 34912009-03-27 Jakub Jelinek <jakub@redhat.com>
3492
64d7685c
JJ		 3493 * builtins.c (fold_builtin_memory_op): Optimize memmove
3494 into memcpy if we can prove source and destination don't overlap.
3495
9f5e9983
JJ		 3496 * tree-inline.c: Include gt-tree-inline.h.
3497 (clone_fn_id_num): New variable.
3498 (clone_function_name): New function.
3499 (tree_function_versioning): Use it.
3500 * Makefile.in (GTFILES): Add tree-inline.c.
3501
e54d52a8
MM		 35022009-03-27 Mark Mitchell <mark@codesourcery.com>
3503
3504 * BASE-VER: Change to 4.5.0.
3505
e9d51dc6
XDL		 35062009-03-27 Xinliang David Li <davidxl@google.com>
3507
3508 PR tree-optimization/39557
3509 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3510
4577cea1
XDL		 35112009-03-27 Xinliang David Li <davidxl@google.com>
3512
3513 PR tree-optimization/39548
3514 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
3515 candidate check.
3516
0f7464f4
L		 35172009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3518
3519 * c-common.c (pointer_int_sum): Use %wd on return from
3520 tree_low_cst.
3521
a8847a7f
L		 35222009-03-27 H.J. Lu <hongjiu.lu@intel.com>
3523
3524 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3525 on return from tree_low_cst.
3526
b0957daf
AP		 35272009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
3528
3529 PR c++/36799
ba20e309
UB		 3530 * ginclude/stdarg.h (va_copy): Define also for
3531 __GXX_EXPERIMENTAL_CXX0X__.
b0957daf 3532
a5f805df
MLI		 35332009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3534
3535 PR c++/35652
3536 * builtins.h (c_strlen): Do not warn here.
3537 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3538 * c-common.c (pointer_int_sum): Take an explicit location.
3539 Warn about offsets out of bounds.
3540 * c-common.h (pointer_int_sum): Adjust declaration.
3541
6f401211
RW		 35422009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3543
a5f805df
MLI		 3544 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3545 markup glitch.
6f401211 3546
5a59b39e
JJ		 35472009-03-26 Jakub Jelinek <jakub@redhat.com>
3548
3549 PR c++/39554
3550 * opts.c (warn_if_disallowed_function_p): Don't assume
3551 get_callee_fndecl must return non-NULL.
3552
d5f89b53
VM		 35532009-03-26 Vladimir Makarov <vmakarov@redhat.com>
3554
3555 PR rtl-optimization/39522
3556 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3557 when reg_reloaded_valid is set.
3558
61238a79
UW		 35592009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3560
3561 * config/spu/divv2df3.c: New file.
3562 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
3563 (DPBIT_FUNCS): Filter out _div_df.
3564
03f8829b
BS		 35652009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
3566
3567 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
3568 a jump insn, count that jump in the distance to the loop start.
3569
9fdcdc74
KK		 35702009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
3571
3572 PR target/39523
3573 * config/sh/sh.c (calc_live_regs): Fix condition for global
3574 registers except PIC_OFFSET_TABLE_REGNUM.
3575
46994828
KT		 35762009-03-25 Kai Tietz <kai.tietz@onevision.com>
3577
3578 PR/39518
3579 * doc/invoke.texi (-mconsole): New.
3580 (-mcygwin): New.
3581 (-mno-cygwin): New.
3582 (-mdll): New.
3583 (-mnop-fun-dllimport): New.
3584 (-mthread): New.
3585 (-mwin32): New.
3586 (-mwindows): New.
3587 (sub section "i386 and x86-64 Windows Options"): New.
3588
370017b4
RC		 35892009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
3590
3591 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
3592 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
3593
ae560440
RG		 35942009-03-25 Richard Guenther <rguenther@suse.de>
3595
3596 PR middle-end/39497
3597 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
3598 of -Wno-error.
3599
cd510f15
AM		 36002009-03-25 Andrey Belevantsev <abel@ispras.ru>
3601
3602 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
3603 neither of haifa/selective schedulers are working.
3604
44ab0f0e
RW		 36052009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3606
3607 * doc/invoke.texi (Debugging Options): Fix description of
3608 -fno-merge-debug-strings.
3609
ad9646c7
HPN		 36102009-03-24 Hans-Peter Nilsson <hp@axis.com>
3611
e6142656
HPN		 3612 * config/cris/libgcc.ver: New version-script.
3613 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
3614
ad9646c7
HPN		 3615 * configure.ac <GAS features, nop mnemonic>: Add pattern
3616 crisv32-*-* for "nop".
ba20e309 3617 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
ad9646c7
HPN		 3618 * configure: Regenerate.
3619
09ac4473
IR		 36202009-03-24 Ira Rosen <irar@il.ibm.com>
3621
3622 PR tree-optimization/39529
3623 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3624 mark_sym_for_renaming for the tag copied to the new vector
3625 pointer.
3626
d94a427e
AL		 36272009-03-24 Arthur Loiret <aloiret@debian.org>
3628
ba20e309 3629 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
d94a427e
AL		 3630 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
3631 EXTRA_SPEC_FUNCTIONS.
3632 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
3633 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
3634 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
3635 -march and -mtune options.
3636
722d07aa
RC		 36372009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
3638
3639 * config/m68k/t-rtems: Add m5329 multilib.
3640
603f5959
DS		 36412009-03-24 Dodji Seketeli <dodji@redhat.com>
3642 Jakub Jelinek <jakub@redhat.com>
3643
3644 PR debug/39524
3645 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
3646 nodes.
3647
c5cdb03f
JJ		 36482009-03-23 Jakub Jelinek <jakub@redhat.com>
3649
3650 PR c/39495
3651 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
3652 instead of c_parser_expression_conv, if original_code isn't one of the
3653 4 allowed comparison codes, fail.
3654
3691626c
RG		 36552009-03-23 Richard Guenther <rguenther@suse.de>
3656
3657 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
3658 * tree.h (struct tree_type): Likewise.
3659 * reload.h (struct insn_chain): Likewise.
3660 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
3661 * function.h (struct function): Likewise.
3662 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
3663
88ccb72a
JJ		 36642009-03-23 Jakub Jelinek <jakub@redhat.com>
3665
3666 PR tree-optimization/39516
3667 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
3668
a583a67e
BM		 36692009-03-23 Bingfeng Mei <bmei@broadcom.com>
3670
3671 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
3672 should be set true if BITS_PER_WORD of target is bigger than 32
3673
f82162f8
HPN		 36742009-03-22 Hans-Peter Nilsson <hp@axis.com>
3675
3676 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
3677 Translate -B-options to -rpath-link. Correct existing
3678 rpath-link and conditionalize on !nostdlib.
3679
048fd785
RW		 36802009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3681
3682 * doc/extend.texi (Function Attributes, Variable Attributes):
3683 Fix typos.
3684 * doc/invoke.texi (Debugging Options, Optimize Options)
3685 (i386 and x86-64 Options, MCore Options): Likewise.
3686
6e75c1a9
JJ		 36872009-03-20 Jakub Jelinek <jakub@redhat.com>
3688
3689 PR debug/37890
3690 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
3691 it for block local namespace aliases.
3692 (gen_decl_die): Pass context_die to gen_namespace_die.
3693
ea1199ee
JJ		 36942009-03-19 Jakub Jelinek <jakub@redhat.com>
3695
3696 PR c/39495
3697 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
3698 minimum or maximum value.
3699
58929c10
AO		 37002009-03-19 Alexandre Oliva <aoliva@redhat.com>
3701
3702 * reginfo.c (globalize_reg): Recompute derived reg sets.
3703
234952b3
OS		 37042009-03-19 Ozkan Sezer <sezeroz@gmail.com>
3705
3706 PR target/39063
3707 * libgcc2.c (mprotect): Do not use signed arguments for
3708 VirtualProtect, use DWORD arguments. Also fix the 'may
3709 be used uninitialized' warning for the np variable.
3710
f57c2f04
JJ		 37112009-03-19 Jakub Jelinek <jakub@redhat.com>
3712
3713 PR target/39496
3714 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
3715 functions using regparm calling conventions when not optimizing.
3716 (ix86_function_sseregparm): Similarly for sseregparm calling
3717 conventions.
3718
9e517d61
LF		 37192009-03-19 Li Feng <nemokingdom@gmail.com>
3720
3721 PR middle-end/39500
3722 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
3723 dependence if the first conflict is after niter iterations.
3724
8ef20026
HPN		 37252009-03-19 Hans-Peter Nilsson <hp@axis.com>
3726
3727 PR middle-end/38609
3728 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
3729 functions with dynamic stack-pointer adjustments.
3730
64e4a1a6
BE		 37312009-03-19 Ben Elliston <bje@au.ibm.com>
3732
3733 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
3734 option; change to -msdata=data.
3735
9a0f3e86
RW		 37362009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3737
3738 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
3739 and -fopenmp.
3740
09bc5979
EB		 37412009-03-18 Eric Botcazou <ebotcazou@adacore.com>
3742
3743 PR target/35180
3744 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
3745
332459cd
SL		 37462009-03-18 Sandra Loosemore <sandra@codesourcery.com>
3747
3748 * doc/invoke.texi (Code Gen Options): Expand discussion of
3749 -fno-common.
3750
8f5929e1
JJ		 37512009-03-18 Jakub Jelinek <jakub@redhat.com>
3752
3753 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
3754 * matrix-reorg.c (struct matrix_info): Likewise.
3755 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
3756 * rtl.h (struct mem_attrs): Likewise.
3757 * df.h (struct df): Likewise.
3758 * tree-data-ref.h (struct data_dependence_relation): Likewise.
3759 * ira-int.h (struct ira_allocno): Likewise.
3760 * df-scan.c (struct df_collection_rec): Likewise.
3761 * ira.c (struct equivalence): Likewise.
3762 * function.c (struct temp_slot): Likewise.
3763 * cfgloop.h (struct loop): Likewise.
3764
d130d647
JJ		 3765 PR debug/39485
3766 * function.c (use_register_for_decl): When not optimizing, disregard
3767 register keyword for variables with types containing methods.
3768
9968d233
SP		 37692009-03-18 Sebastian Pop <sebastian.pop@amd.com>
3770
3771 PR middle-end/39447
3772 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
3773 (is_simple_operand): Call contains_component_ref_p before calling data
3774 reference analysis that would fail on COMPONENT_REFs.
3775
3776 * tree-vrp.c (search_for_addr_array): Fix formatting.
3777
69484bfd
RG		 37782009-03-18 Richard Guenther <rguenther@suse.de>
3779
3780 * tree-vect-transform.c (vect_loop_versioning): Fold the
3781 generated comparisons.
3782 * tree-vectorizer.c (set_prologue_iterations): Likewise.
3783 (slpeel_tree_peel_loop_to_edge): Likewise.
3784
66811228
RW		 37852009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3786
0631b69f
RW		 3787 PR middle-end/37805
3788 * opts.c (print_specific_help): In addition to `undocumented',
3789 accept `separate' and `joined' flags if passed alone. Describe
3790 output by the first matched one of those.
3791 (common_handle_option): Skip over empty strings.
3792 * gcc.c (display_help): Fix help string for `--help='.
3793 * doc/invoke.texi (Option Summary, Overall Options): With
3794 `--help=', classes and qualifiers can both be repeated, but
3795 only the latter can be negated. One should not pass only
3796 negated qualifiers. Fix markup and examples.
3797
66811228
RW		 3798 Revert
3799 2008-10-14 Jakub Jelinek <jakub@redhat.com>
3800 PR middle-end/37805
3801 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
3802 and -fhelp=separate.
3803
3c072c6b
JY		 38042009-03-17 Jing Yu <jingyu@google.com>
3805
3806 PR middle-end/39378
80c65208
JY		 3807 * function.h (struct rtl_data): Move is_thunk from here...
3808 (struct function): ...to here.
3809 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3c072c6b
JY		 3810 * varasm.c (assemble_start_function): Change is_thunk from crtl to
3811 cfun.
80c65208
JY		 3812 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
3813 cfun.
3814 (alpha_does_function_need_gp, alpha_start_function): Likewise.
3815 (alpha_output_function_end_prologue): Likewise.
3816 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
3817 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
3818 (rs6000_output_function_epilogue): Likewise.
3819 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3c072c6b 3820
9ade279b
UB		 38212009-03-17 Uros Bizjak <ubizjak@gmail.com>
3822
3823 PR target/39482
3824 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
3825 from different units in a single alternative.
3826 (*truncdfsf_i387): Ditto.
3827 (*truncxfsf2_mixed): Ditto.
3828 (*truncxfdf2_mixed): Ditto.
3829
16e60c17
JJ		 38302009-03-17 Jakub Jelinek <jakub@redhat.com>
3831
98381eb4
JJ		 3832 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
3833 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
3834
df5deb18
JJ		 3835 PR debug/39474
3836 * tree-ssa-live.c (remove_unused_locals): Don't remove local
3837 unused non-artificial variables when not optimizing.
3838
a3f596ba
JJ		 3839 PR debug/39471
3840 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
3841 DW_TAG_imported_module even if decl is IMPORTED_DECL with
3842 NAMESPACE_DECL in its DECL_INITIAL.
3843
6b2b8871
JJ		 3844 PR middle-end/39443
3845 * optabs.c (set_user_assembler_libfunc): New function.
3846 * expr.h (set_user_assembler_libfunc): New prototype.
3847 * c-common.c: Include libfuncs.h.
3848 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
3849 for memcmp, memset, memcpy, memmove and abort.
3850 * Makefile.in (c-common.o): Depend on libfuncs.h.
3851
16e60c17
JJ		 3852 PR debug/39412
3853 * dwarf2out.c (gen_inlined_enumeration_type_die,
3854 gen_inlined_structure_type_die, gen_inlined_union_type_die,
3855 gen_tagged_type_instantiation_die): Removed.
3856 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
3857 do nothing.
3858
4d936aca
JJ		 38592009-03-17 Janis Johnson <janis187@us.ibm.com>
3860
3861 PR testsuite/38526
3862 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
3863 its use.
3864 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
3865 (check-parallel-%): Ditto.
3866 (check-consistency): Ditto.
3867
4e9b2e50
KT		 38682009-03-17 Kai Tietz <kai.tietz@onevision.com>
3869
3870 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
3871 local variable rhs by NULL_TREE.
3872
21440b2d
L		 38732009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3874
3875 PR target/39477
9ade279b 3876 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
21440b2d 3877
d8905c6a
L		 38782009-03-17 H.J. Lu <hongjiu.lu@intel.com>
3879
3880 PR target/39476
9ade279b 3881 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
d8905c6a
L		 3882
38832009-03-17 H.J. Lu <hongjiu.lu@intel.com>
435a61d3
L		 3884
3885 PR target/39473
3886 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
3887 for ms->sysv ABI calls only in 64bit mode.
3888
3889 * config/i386/i386.md (untyped_call): Support 32bit.
3890
cdcabece
L		 38912009-03-16 H.J. Lu <hongjiu.lu@intel.com>
3892
3893 * doc/extend.texi: Replace x86_65 with x86_64.
3894
97b4ba9f
JJ		 38952009-03-16 Jakub Jelinek <jakub@redhat.com>
3896
3897 PR tree-optimization/39455
3898 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
3899 mismatches for POINTER_TYPE_P (type).
3900 (number_of_iterations_le): Likewise.
3901
83c191e1
HS		 39022009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3903
3904 * config/picochip/picochip.c: Removed profiling support.
3905 * config/picochip/picochip.md: Removed profiling instruction.
3906 * config/picochip/picochip.h: Removed profiling builtin.
3907
f38095f3
JM		 39082009-03-16 Joseph Myers <joseph@codesourcery.com>
3909
3910 * doc/install.texi (--with-host-libstdcxx): Document.
3911
2cb4817b
AS		 39122009-03-14 Anatoly Sokolov <aesok@post.ru>
3913
3914 PR target/34299
3915 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
3916 generate a warning if the function name does not begin with
3917 "__vector" and the function has either the 'signal' or 'interrupt'
3918 attribute, from here to ...
3919 (avr_declare_function_name): ...here. New function.
3920 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
3921 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
3922
39b2ac74
JJ		 39232009-03-14 Jakub Jelinek <jakub@redhat.com>
3924
3925 PR bootstrap/39454
3926 * cse.c (fold_rtx): Don't modify original const_arg1 when
3927 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
3928 separate variable instead.
3929 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
3930 from out of range shift counts.
3931 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
3932
f7a82dee
CM		 39332008-03-13 Catherine Moore <clm@codesourcery.com>
3934
9ade279b 3935 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
f7a82dee
CM		 3936 diagnostic.h with $(DIAGNOSTIC_H).
3937
03a18198
JJ		 39382008-03-12 Jakub Jelinek <jakub@redhat.com>
3939
3940 PR target/39431
3941 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
3942 predicate.
3943 * config/i386/sync.md (sync_compare_and_swap<mode>,
3944 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
3945 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
3946 into a register.
3947 (sync_double_compare_and_swapdi_pic,
3948 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
3949 cmpxchg8b_pic_memory_operand instead of just memory_operand.
3950
122c59c7
L		 39512009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3952
3953 PR target/39445
9ade279b 3954 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
122c59c7 3955
cec8874f
L		 39562009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3957
3958 PR target/39327
3959 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3960 (avx_addsubv4df3): Likewise.
3961 (*avx_addsubv4sf3): Likewise.
3962 (sse3_addsubv4sf3): Likewise.
3963
bbb52802
L		 39642009-03-12 H.J. Lu <hongjiu.lu@intel.com>
3965
3966 PR target/38824
9ade279b 3967 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
bbb52802 3968
a812fb07
VM		 39692009-03-12 Vladimir Makarov <vmakarov@redhat.com>
3970
3971 PR debug/39432
3972 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
3973 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
3974 registers for allocnos created from user-defined variables.
3975
4caab5ba
UW		 39762009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3977
3978 PR target/39181
3979 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
3980 of non-integer mode as well.
3981
498e51ca
AN		 39822009-03-11 Adam Nemet <anemet@caviumnetworks.com>
3983
3984 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
3985 for functions for which the parameter types are unknown.
3986
9bfaf89d
JJ		 39872009-03-11 Jakub Jelinek <jakub@redhat.com>
3988
3989 PR target/39137
9ade279b 3990 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9bfaf89d
JJ		 3991 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
3992 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
3993 * config/i386/i386.c (ix86_local_alignment): For
3994 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
3995 long long variables on the stack to avoid dynamic realignment.
3996 Allow the first argument to be a decl rather than type.
3997 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
3998
18a3bdcb
NC		 39992009-03-11 Nick Clifton <nickc@redhat.com>
4000
4001 PR target/5362
40190a76
NC		 4002 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4003 options.
4004 Add description to mno-lsim option.
4005 * config/mcore/mcore.h: Remove comment about deprecated m4align
4006 option.
4007 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4008 * doc/invoke.texi: Add description of mno-lsim and
4009 mstack-increment options.
4010
18a3bdcb
NC		 4011 * config/fr30/fr30.opt: Document the -mno-lsim option.
4012 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4013 and -mno-lsim options.
4014
dc215785
UW		 40152009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4016
4017 * fold-const.c (fold_comparison): Only call fold_inf_compare
4018 if the mode supports infinities.
4019
7716876b
JM		 40202009-03-11 Jason Merrill <jason@redhat.com>
4021
4022 PR debug/39086
4023 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4024 end already did. Notice GIMPLE_CALL modifications of the result.
4025 Don't copy debug information from an ignored decl or a decl from
4026 another function.
4027
ddef83d2
RG		 40282009-03-10 Richard Guenther <rguenther@suse.de>
4029 Nathan Froyd <froydnj@codesourcery.com>
4030
4031 PR middle-end/37850
9ade279b 4032 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
ddef83d2
RG		 4033 (__divMODE3): Likewise.
4034
9a9ba8d9
JJ		 40352009-03-09 Jakub Jelinek <jakub@redhat.com>
4036
4037 PR tree-optimization/39394
4038 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4039 DECL_SIZE_UNIT of variable length FIELD_DECLs.
4040
929b7fc3
AK		 40412009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4042
4043 * recog.c (verfiy_changes): Disallow renaming of hard regs in
4044 inline asms for register asm ("") declarations.
4045
1803581d
EB		 40462009-03-09 Eric Botcazou <ebotcazou@adacore.com>
4047
4048 * fold-const.c (fold_unary): Fix comment.
4049
8454d27e
JH		 40502009-03-07 Jan Hubicka <jh@suse.cz>
4051
4052 PR target/39361
969a5433
JJ		 4053 * tree-inline.c (setup_one_parameter): Do replacement of const
4054 argument by constant in SSA form.
8454d27e 4055
3a695389
UW		 40562009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4057
4058 PR middle-end/38028
4059 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4060 determine alignment passed to assign_stack_local.
4061 (assign_parms_unsplit_complex): Likewise.
4062 * except.c (sjlj_build_landing_pads): Likewise.
4063
9f0e7885
JJ		 40642009-03-06 Jakub Jelinek <jakub@redhat.com>
4065
65401a0b
JJ		 4066 PR middle-end/39360
4067 * tree-flow.h (add_referenced_var): Return bool instead of void.
4068 * tree-dfa.c (add_referenced_var): Return result of
4069 referenced_var_check_and_insert call.
4070 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4071 of referenced_var_check_and_insert.
4072
9f0e7885 4073 PR debug/39372
9ade279b 4074 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9f0e7885
JJ		 4075 (gen_variable_die): Emit DW_AT_location on abstract static variable's
4076 DIE, don't emit it if abstract origin already has it.
4077 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4078 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4079
3b664bd1
JBG		 40802009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4081
ba20e309 4082 * genpreds.c (needs_variable): Fix parentheses at variable name
3b664bd1
JBG		 4083 detection.
4084 (write_tm_constrs_h): Indent generated code.
4085
d8f8ca80
RR		 40862009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4087
4088 * doc/extend.texi (Function Attributes): Add documentation
4089 for isr attributes.
4090
6c3d550c
JJ		 40912009-03-06 Jakub Jelinek <jakub@redhat.com>
4092
4093 PR debug/39387
4094 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4095 take locus from its DECL_SOURCE_LOCATION instead of input_location.
4096
f9e96751
BS		 40972009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
4098
4099 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4100 the loop as bad.
4101
ee0ee7e2
JJ		 41022009-03-05 Jakub Jelinek <jakub@redhat.com>
4103
4104 PR debug/39379
4105 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4106 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4107
6c6094f1
UB		 41082009-03-05 Uros Bizjak <ubizjak@gmail.com>
4109
4110 * config/i386/i386.md (R8_REG, R9_REG): New constants.
4111 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4112 constants instead of magic numbers.
4113 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4114 (QI_REG_P): Ditto.
4115 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4116 (x86_64_ms_abi_int_parameter_registers): Ditto.
4117 (x86_64_int_return_registers): Ditto.
09f8a8d3 4118 (ix86_maybe_switch_abi): Ditto.
6c6094f1
UB		 4119 (ix86_expand_call): Ditto for clobbered_registers array.
4120 (ix86_hard_regno_mode_ok): Ditto.
4121 (x86_extended_QIreg_mentioned_p): Ditto.
4122
b267bd41
R		 41232009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
4124
6c6094f1 4125 PR tree-optimization/39349
1f3ad3f0
R		 4126 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4127
b267bd41
R		 4128 * combine.c (gen_lowpart_for_combine): Use omode when generating
4129 clobber.
4130
1242bc9d
R		 41312009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
4132
6c6094f1 4133 PR rtl-optimization/39235
1242bc9d
R		 4134 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4135
48f03606
ZD		 41362009-03-04 Zdenek Dvorak <ook@ucw.cz>
4137
4138 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4139
b505e785
RG		 41402009-03-04 Richard Guenther <rguenther@suse.de>
4141
4142 PR tree-optimization/39362
4143 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4144 that occur in abnormal PHIs should be varying.
4145
f017bf5e
ZD		 41462009-03-04 Zdenek Dvorak <ook@ucw.cz>
4147
4148 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4149 Extend comments.
4150 (simple_iv): Take loop as an argument instead of statement.
4151 * tree-scalar-evolution.h (simple_iv): Declaration changed.
4152 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4153 to simple_iv.
4154 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4155 Ditto.
4156 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4157 * matrix-reorg.c (analyze_transpose): Ditto.
4158 * tree-data-ref.c (dr_analyze_innermost): Ditto.
4159 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4160 * tree-predcom.c (ref_at_iteration): Ditto.
4161 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4162
6a66f28e
RG		 41632009-03-04 Richard Guenther <rguenther@suse.de>
4164
4165 PR tree-optimization/39358
4166 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4167 escaped_id and callused_id.
4168 (solve_graph): Likewise.
4169
57e454ee
RG		 41702009-03-04 Richard Guenther <rguenther@suse.de>
4171
4172 PR tree-optimization/39339
4173 * tree-sra.c (try_instantiate_multiple_fields): Make it
4174 no longer ICE on the above.
4175
a6fe9ed4
JM		 41762009-03-03 Joseph Myers <joseph@codesourcery.com>
4177
4178 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4179 that fits within Pmode.
4180
dc672951
SE		 41812009-03-03 Steve Ellcey <sje@cup.hp.com>
4182
4183 PR middle-end/10109
4184 * tm.texi (LIBCALL_VALUE): Update description.
4185
8b9d598f
SE		 41862009-03-03 Steve Ellcey <sje@cup.hp.com>
4187
4188 PR middle-end/34443
4189 * doc/extend.texi (section): Update description.
4190
13e4e36e
L		 41912009-03-03 H.J. Lu <hongjiu.lu@intel.com>
4192
4193 PR middle-end/39345
4194 * tree-inline.c (remapped_type): New.
4195 (can_be_nonlocal): Call remapped_type instead of remap_type.
4196
067dd3c9
JJ		 41972009-03-03 Jakub Jelinek <jakub@redhat.com>
4198
4199 PR fortran/39354
4200 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4201 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4202
9bd9f738
RG		 42032009-03-03 Richard Guenther <rguenther@suse.de>
4204
4205 PR middle-end/39272
4206 * tree.c (tree_nonartificial_location): New function.
4207 * tree.h (tree_nonartificial_location): Declare.
4208 * builtins.c (expand_builtin_memory_chk): Provide location
4209 of the call location for artificial function pieces.
4210 (maybe_emit_chk_warning): Likewise.
4211 (maybe_emit_sprintf_chk_warning): Likewise.
4212 (maybe_emit_free_warning): Likewise.
4213 * expr.c (expand_expr_real_1): Likewise.
4214
f07049c8
JJ		 42152009-03-03 Jakub Jelinek <jakub@redhat.com>
4216
4217 PR tree-optimization/39343
4218 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4219 COMPONENT_REF t has ARRAY_TYPE.
4220
7d4fba4a
SP		 42212009-03-02 Sebastian Pop <sebastian.pop@amd.com>
4222
4223 PR middle-end/39335
4224 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4225 when the type precision of the induction variable should be
4226 larger than the type precision of nit.
4227 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4228 * graphite.c (graphite_loop_normal_form): Same.
4229 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4230
78168632
UB		 42312009-03-02 Uros Bizjak <ubizjak@gmail.com>
4232
4233 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4234 (*call_1_rex64_ms_sysv): Use named constants instead of magic
6c6094f1 4235 numbers to describe clobbered registers.
78168632 4236 (*call_value_0_rex64_ms_sysv): Ditto.
6c6094f1
UB		 4237 * config/i386/mmx.md (mmx_emms): Ditto.
4238 (mmx_femms): Ditto.
78168632 4239
63553059
RS		 42402009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
4241
4242 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4243 of ABI_64.
4244
500a1f85
UW		 42452009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4246
4247 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4248 (spu_section_type_flags): New function.
4249
962aae34
UB		 42502009-03-02 Uros Bizjak <ubizjak@gmail.com>
4251
4252 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4253 reg_class_contents of FLOAT_REGS into a temporary.
4254
6dfb529c 42552009-03-02 Richard Guenther <rguenther@suse.de>
962aae34 4256 Ira Rosen <irar@il.ibm.com>
6dfb529c
RG		 4257
4258 PR tree-optimization/39318
4259 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4260 information to the vectorized statement.
4261
6b5629db
UB		 42622009-03-01 Uros Bizjak <ubizjak@gmail.com>
4263
434426d2
UB		 4264 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4265 variable. Use defined names instead of magic constants for REX SSE
4266 registers.
6b5629db 4267
14e5b285
RG		 42682009-03-01 Richard Guenther <rguenther@suse.de>
4269
4270 PR tree-optimization/39331
4271 * omp-low.c (lower_send_shared_vars): Do not receive new
4272 values for the reference of DECL_BY_REFERENCE parms or results.
4273
526d73ab
JH		 42742009-03-01 Jan Hubicka <jh@suse.cz>
4275
4276 PR debug/39267
4277 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4278 BLOCK_NONLOCALIZED_VAR): New macros.
4279 (tree_block): Add nonlocalized_vars.
f4ea99bd
EB		 4280 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4281 gen_decl_die): Add origin argument. Allow generation of die with
4282 origin at hand only.
526d73ab 4283 (gen_member_die, gen_type_die_with_usage, force_decl_die,
f4ea99bd
EB		 4284 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4285 of gen_*.
526d73ab
JH		 4286 (gen_block_die): Fix checking for unused blocks.
4287 (process_scope_var): Break out from .... ; work with origins only.
4288 (decls_for_scope) ... here; process nonlocalized list.
4289 (dwarf2out_ignore_block): Look for nonlocalized vars.
f4ea99bd
EB		 4290 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4291 vars.
526d73ab
JH		 4292 (dump_scope_block): Dump them.
4293 * tree-inline.c (remap_decls): Handle nonlocalized vars.
4294 (remap_block): Likewise.
4295 (can_be_nonlocal): New predicate.
4296 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4297
7a9d3fe8
RW		 42982009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4299
4300 * configure: Regenerate.
4301
b3cdf3cb
RW		 43022009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4303
a16d1645 4304 * optc-gen.awk: No need to duplicate option flags twice.
9ade279b 4305 Reuse help texts for duplicate options which do not have any.
a16d1645 4306
1156c176
RW		 4307 * gcc.c (display_help): Document --version.
4308
033505fc
RW		 4309 * gcc.c (main): If print_help_list and verbose_flag, ensure
4310 driver output comes before subprocess output.
4311
4d077054
RW		 4312 * optc-gen.awk: Assign all remaining fields to help string,
4313 space-separated, for multi-line help in *.opt.
4314
a072f1cf
RW		 4315 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4316 -Wno-pedantic-ms-format is for MinGW targets only.
4317
b3cdf3cb
RW		 4318 * doc/options.texi (Option file format): Fix bad indentation,
4319 restoring dropped sentence.
4320
a3aadcc5
JH		 43212009-02-28 Jan Hubicka <jh@suse.cz>
4322
4323 * tree-inline.c (tree_function_versioning): Output debug info.
4324
1cf5abb3
JH		 43252009-02-28 Jan Hubicka <jh@suse.cz>
4326
4327 PR debug/39267
4328 * tree-inline.c (setup_one_parameter): Do not copy propagate
4329 arguments when not optimizing.
4330
c4d3f42f
L		 43312009-02-28 H.J. Lu <hongjiu.lu@intel.com>
4332
4333 PR target/39327
4334 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4335 (avx_addsubv4df3): Likewise.
4336 (*avx_addsubv4sf3): Likewise.
4337 (sse3_addsubv4sf3): Likewise.
4338 (*avx_addsubv2df3): Likewise.
4339 (sse3_addsubv2df3): Likewise.
4340 (avx_unpckhps256): Correct item selectors.
4341 (avx_unpcklps256): Likewise.
4342 (avx_unpckhpd256): Likewise.
4343 (avx_unpcklpd256): Likewise.
4344
eb50f5f4
JH		 43452009-02-28 Jan Hubicka <jh@suse.cz>
4346
4347 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4348 static vars.
4349 (copy_arguments_for_versioning): If var is declared don't declare it.
4350 (tree_function_versioning): First setup substitutions and then copy
4351 args.
4352
26140130
JH		 43532009-02-27 Jan Hubicka <jh@suse.cz>
4354
4355 PR debug/39267
4356 * cgraph.h (varpool_output_debug_info): Remove.
4357 * cgraphunit.c (varpool_output_debug_info): Remove.
4358 * dwarf2out.c (deferred_locations_struct): New struct
4359 (deferred_locations): New type.
4360 (deferred_locations_list): New static var.
4361 (deffer_location): New function.
4362 (gen_variable_die): Use it.
4363 (decls_for_scope): Output info on local static vars.
4364 (dwarf2out_finish): Process deferred locations.
4365 * varpool.c (varpool_output_debug_info): Remove.
4366
cff7525f
JH		 43672009-02-27 Jan Hubicka <jh@suse.cz>
4368
4369 PR debug/39267
4370 * tree.h (TREE_PROTECTED): Fix comment.
4371 (BLOCK_HANDLER_BLOCK): Remove.
4372 (struct tree_block): Remove handler_block add body_block.
4373 (inlined_function_outer_scope_p): New.
4374 (is_body_block): Remove.
4375 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4376 * dwarf2out.c (is_inlined_entry_point): Remove.
4377 (add_high_low_attributes): Use inlined_function_outer_scope_p.
f10a1c6c
EB		 4378 (gen_block_die): Use is_inlined_entry_point check. Remove body block
4379 code.
cff7525f
JH		 4380 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4381 * gimplify.c (gimplify_expr): Gimplify body blocks.
f10a1c6c
EB		 4382 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4383 block with multiple subblocks.
cff7525f
JH		 4384 (dump_scope_block): Prettier output; dump more flags and info.
4385 (dump_scope_blocks): New.
4386 (remove_unused_locals): Use dump_scope_blocks.
4387 * tree-flow.h (dump_scope_blocks): Declare.
4388 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4389 * stmt.c (is_body_block): Remove.
4390 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4391 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4392
c20993b9
SP		 43932009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4394
4395 PR middle-end/39308
4396 * graphite.c (graphite_loop_normal_form): Do not call
4397 number_of_iterations_exit from a gcc_assert.
4398
e3cba5e5
AK		 43992009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4400
ba20e309 4401 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
e3cba5e5
AK		 4402 jumps if COND is NULL.
4403 (find_cond_jump): New function.
4404 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4405 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4406
9dadeeb8
UB		 44072009-02-26 Uros Bizjak <ubizjak@gmail.com>
4408
4409 * config/alpha/alpha.h (alpha_expand_mov): Return false if
4410 force_const_mem returns NULL_RTX.
4411
625d3251
EB		 44122009-02-26 Jan Hubicka <jh@suse.cz>
4413
4414 PR debug/39267
4415 * cgraph.h (varpool_output_debug_info): Remove.
4416 * cgraphunit.c (varpool_output_debug_info): Remove.
4417 * dwarf2out.c (deferred_locations_struct): New struct
4418 (deferred_locations): New type.
4419 (deferred_locations_list): New static var.
4420 (deffer_location): New function.
4421 (gen_variable_die): Use it.
4422 (decls_for_scope): Output info on local static vars.
4423 (dwarf2out_finish): Process deferred locations.
4424 * varpool.c (varpool_output_debug_info): Remove.
4425
38432148 44262009-02-25 H.J. Lu <hongjiu.lu@intel.com>
8592acaf
L		 4427
4428 PR rtl-optimization/39241
4429 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4430 to subreg_offset_representable_p.
4431
62d049cf
PB		 44322009-02-25 Paolo Bonzini <bonzini@gnu.org>
4433
4434 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4435 execute function prototype. Get f and nregs from max_reg_num
4436 and get_insns. Remove the first backward pass as it's dead,
4437 guard the forward pass by flag_expensive_optimizations.
4438 (rest_of_handle_regmove): Delete.
4439 (pass_regmove): Replace it with regmove_optimize.
4440
f618d33e
MJ		 44412009-02-25 Martin Jambor <mjambor@suse.cz>
4442
4443 PR tree-optimization/39259
4444 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
6c6094f1 4445 calls_alloca function flags.
f618d33e
MJ		 4446 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4447 calls are detected.
4448
c8a05f7c
PB		 44492009-02-25 Paolo Bonzini <bonzini@gnu.org>
4450
4451 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4452 flags_set_1_rtx, flags_set_1_set): Delete.
4453 (regmove_optimize): Do not call mark_flags_life_zones.
4454
6d2538f5
JB		 44552009-02-24 Julian Brown <julian@codesourcery.com>
4456
4457 PR target/35965
4458 * config/arm/arm.c (require_pic_register): Only set
4459 cfun->machine->pic_reg once per function.
4460
a2fa6772
SL		 44612009-02-24 Sandra Loosemore <sandra@codesourcery.com>
4462
4463 * doc/invoke.texi (Link Options): Document an easier way to pass
9dadeeb8 4464 options that take arguments to the GNU linker using -Xlinker and -Wl.
a2fa6772 4465
5472de36
SE		 44662009-02-24 Steve Ellcey <sje@cup.hp.com>
4467
4468 PR target/33785
4469 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4470
844216f3
RG		 44712009-02-24 Richard Guenther <rguenther@suse.de>
4472
4473 PR debug/39285
4474 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4475
71adbef3 44762009-02-24 Richard Guenther <rguenther@suse.de>
8592acaf 4477 Zdenek Dvorak <ook@ucw.cz>
71adbef3
RG		 4478
4479 PR tree-optimization/39233
4480 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4481 from converting them to a generic type.
4482
f1a558e0
SP		 44832009-02-23 Sebastian Pop <sebastian.pop@amd.com>
4484
4485 PR tree-optimization/39260
4486 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4487 contains a condition with a real type.
4488 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4489
d8028f2c
JM		 44902009-02-23 Jason Merrill <jason@redhat.com>
4491
4492 PR c++/38880
4493 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4494 narrowing_initializer_constant_valid_p.
4495 (narrowing_initializer_constant_valid_p): Don't return
4496 null_pointer_node for adding a pointer to itself.
4497
9283b513
JH		 44982009-02-23 Jan Hubicka <jh@suse.cz>
4499
4500 PR c/12245
9dadeeb8
UB		 4501 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4502 resizing.
9283b513 4503
61e04322
JH		 45042009-02-23 Jan Hubicka <jh@suse.cz>
4505
9dadeeb8
UB		 4506 PR tree-optimization/37709
4507 * tree.c (block_ultimate_origin): Move here from dwarf2out.
4508 * tree.h (block_ultimate_origin): Declare.
4509 * dwarf2out.c (block_ultimate_origin): Move to tree.c
61e04322
JH		 4510 * tree-ssa-live.c (remove_unused_scope_block_p):
4511 Eliminate blocks containig no instructions nor live variables nor
4512 nested blocks.
4513 (dump_scope_block): New function.
4514 (remove_unused_locals): Enable removal of dead blocks by default;
9dadeeb8 4515 enable dumping at TDF_DETAILS.
61e04322 4516
38432148 45172009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5339d3ea
L		 4518
4519 * config/i386/i386.c (classify_argument): Don't allow COImode
4520 and OImode.
4521 (function_arg_advance_32): Don't allow OImode.
4522 (function_arg_32): Likewise.
4523 (function_value_32): Likewise.
4524 (return_in_memory_32): Likewise.
4525 (function_arg_64): Remove OImode comment.
4526
38432148 45272009-02-21 H.J. Lu <hongjiu.lu@intel.com>
f161e158
L		 4528
4529 PR target/39261
4530 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4531 ix86_expand_vector_set for V4DImode in 64bit mode only.
4532 (ix86_expand_vector_init_one_var): Likewise.
4533
dcd739a6
SP		 45342009-02-21 Sebastian Pop <sebastian.pop@amd.com>
4535
4536 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4537
6c3b938d
RS		 45382009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4539
8e361f23 4540 PR bootstrap/39257
6c3b938d
RS		 4541 * loop-iv.c: Revert last change.
4542 * emit-rtl.c: Likewise.
4543
38432148 45442009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4c64d3dd
L		 4545
4546 PR target/39256
4547 * config/i386/i386.c (type_natural_mode): Remove an extra
4548 space in the warning message.
4549 (function_value_32): Handle 32-byte vector modes.
4550 (return_in_memory_32): Likewise.
4551
2ec62529
RS		 45522009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
4553
4554 * loop-iv.c (truncate_value): New function.
4555 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4556 of lowpart_subreg.
4557 (lowpart_subreg): Move to...
4558 * emit-rtl.c: ...here.
4559
ecb8c3cc 45602009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
f814e489 4561
ecb8c3cc
DS		 4562 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
4563 accidental and undocumented change at revision 140860.
4564
ae46a823
JM		 45652009-02-21 Joseph Myers <joseph@codesourcery.com>
4566
4567 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
4568 take gimple_seq * arguments.
4569 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
4570 types_compatible_p langhook.
4571
07d8efe3 45722009-02-20 Mark Mitchell <mark@codesourcery.com>
f814e489 4573 Joseph Myers <joseph@codesourcery.com>
07d8efe3
MM		 4574
4575 * config/arm/arm.c (arm_builtin_va_list): New function.
4576 (arm_expand_builtin_va_start): Likewise.
4577 (arm_gimplify_va_arg_expr): Likewise.
4578 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
4579 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
4580 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
4581 (va_list_type): New variable.
4582 (arm_mangle_type): Mangle va_list_type appropriately.
4583
b1fb9f56
JJ		 45842009-02-20 Jakub Jelinek <jakub@redhat.com>
4585
4586 PR middle-end/39157
4587 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
4588 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
4589 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
4590 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
4591 parameter to 1000 for -O1 by default.
4592 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
4593 parameter.
4594 * loop-invariant.c: Include params.h.
4595 (move_loop_invariants): Don't call move_single_loop_invariants on
4596 very large loops.
4597
5bc0807c
JM		 45982009-02-20 Jaka Mocnik <jaka@xlab.si>
4599
4600 * calls.c (emit_library_call_value_1): Use slot_offset instead of
4601 offset when calculating bounds for indexing stack_usage_map. Fixes
4602 a buffer overflow with certain target setups.
4603
c69cd1f5
JJ		 46042009-02-20 Jakub Jelinek <jakub@redhat.com>
4605
4606 PR target/39240
4607 * calls.c (expand_call): Clear try_tail_call if caller and callee
4608 disagree in promotion of function return value.
4609
09812622
JJ		 46102009-02-19 Jakub Jelinek <jakub@redhat.com>
4611
4612 PR target/39175
4613 * c-common.c (c_determine_visibility): If visibility changed and
4614 DECL_RTL has been already set, call make_decl_rtl to update symbol
4615 flags.
4616
68017cb4
L		 46172009-02-19 H.J. Lu <hongjiu.lu@intel.com>
4618
4619 PR c++/39188
4620 * varasm.c (assemble_variable): Don't check DECL_NAME when
4621 globalizing a variable.
4622
ab4194da
JM		 46232009-02-19 Joseph Myers <joseph@codesourcery.com>
4624
4625 PR c/38483
4626 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
4627 expression before any __builtin_trap call.
4628 * c-typeck.c (build_function_call): Convert and check function
4629 arguments before generating a call to a trap. Evaluate the
4630 function arguments before the trap.
4631
6b67572e
UB		 46322009-02-19 Uros Bizjak <ubizjak@gmail.com>
4633
4634 PR target/39228
4635 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
4636 (UNSPEC_FXAM_MEM): New unspec.
4637 (fxam<mode>2_i387_with_temp): New insn and split pattern.
4638 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
4639 memory using fxam<mode>2_i387_with_temp to remove excess precision.
4640
9e39dba6
RG		 46412009-02-19 Richard Guenther <rguenther@suse.de>
4642
4643 PR tree-optimization/39207
4644 PR tree-optimization/39074
4645 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
4646 storedanything_tree): New.
4647 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
6b67572e 4648 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9e39dba6
RG		 4649 (build_succ_graph): Add edges from STOREDANYTHING to all
4650 non-direct nodes.
4651 (init_base_vars): Initialize STOREDANYTHING.
4652 (compute_points_to_sets): Free substitution info after
4653 building the succ graph.
4654 (ipa_pta_execute): Likewise.
4655
4656 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
4657 field.
4658 (do_ds_constraint): Do not add to special var or non-pointer
4659 field solutions.
4660 (type_could_have_pointers): Split out from ...
4661 (could_have_pointers): ... here. For arrays use the element type.
4662 (create_variable_info_for): Initialize may_have_pointers.
4663 (new_var_info): Likewise.
4664 (handle_lhs_call): Make the HEAP variable unknown-sized.
4665 (intra_create_variable_infos): Use a type with pointers for
4666 PARM_NOALIAS, make it unknown-sized.
4667
fd7b2603
L		 46682009-02-18 H.J. Lu <hongjiu.lu@intel.com>
4669
4670 PR target/39224
6b67572e 4671 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
fd7b2603 4672
98b80692
JM		 46732009-02-18 Jason Merrill <jason@redhat.com>
4674
4675 PR target/39179
4676 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
4677 value if DECL_EXTERNAL.
4678 * tree-sra.c (sra_walk_gimple_assign): Likewise.
4679 * target.h (gcc_target::binds_local_p): Clarify "module".
4680 * tree.h (TREE_PUBLIC): Clarify "module".
4681
0705d3f4
L		 46822009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
4683
4684 PR target/38891
4685 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
4686 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
4687
bce08d50
L		 46882009-02-17 H.J. Lu <hongjiu.lu@intel.com>
4689
4690 PR target/39082
4691 * c.opt (Wabi): Support C and ObjC.
4692 (Wpsabi): New.
4693
4694 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
4695
4696 * config/i386/i386.c (classify_argument): Warn once about the ABI
4697 change when passing union with long double.
4698
4699 * doc/invoke.texi: Update -Wabi for warning psABI changes.
4700
5600f233
JM		 47012009-02-18 Joseph Myers <joseph@codesourcery.com>
4702
4703 PR c/35447
4704 * c-parser.c (c_parser_compound_statement): Always enter and leave
4705 a scope.
4706
8cd01fe6
JDA		 47072009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4708
4709 PR target/34587
4710 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
4711
418df9d7
JJ		 47122009-02-18 Jakub Jelinek <jakub@redhat.com>
4713
4714 PR tree-optimization/36922
4715 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
4716 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
4717 Likewise.
4718
082d2ebb
RS		 47192009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4720
4721 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
4722 to 0 for EABI64.
4723
17de576c
RS		 47242009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4725
4726 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
4727
6d8d5435
RS		 47282009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
4729
4730 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
4731 tree sharing.
4732
e69ff910
RB		 47332009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
4734 Richard Sandiford <rdsandiford@googlemail.com>
4735
4736 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
4737 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
4738 (loongson_biadd): ...this.
4739
6b24ee26
RG		 47402009-02-17 Richard Guenther <rguenther@suse.de>
4741
4742 PR tree-optimization/39202
4743 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
4744 a var make sure to follow existing collapses.
4745
91ab2c86
RG		 47462009-02-17 Richard Guenther <rguenther@suse.de>
4747
4748 PR middle-end/39214
4749 * langhooks.c (lhd_print_error_function): Check for NULL block.
4750
73a63870
RG		 47512009-02-17 Richard Guenther <rguenther@suse.de>
4752
4753 PR tree-optimization/39204
4754 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
4755 of the PHI arg.
4756
0e08f686
UB		 47572009-02-17 Uros Bizjak <ubizjak@gmail.com>
4758
4759 * config/soft-fp/double.h: Update from glibc CVS.
4760
a60b7ddb
RG		 47612009-02-17 Richard Guenther <rguenther@suse.de>
4762
4763 PR tree-optimization/39207
4764 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
4765 strict-aliasing warnings for pointers pointing to NULL.
4766
a47e20fd
JM		 47672009-02-16 Joseph Myers <joseph@codesourcery.com>
4768
4769 PR c/35446
4770 * c-parser.c (c_parser_braced_init): Call pop_init_level when
4771 skipping until next close brace.
4772
50aab7dc
L		 47732009-02-16 H.J. Lu <hongjiu.lu@intel.com>
4774
4775 PR target/37049
4776 * config/i386/i386.c (ix86_expand_push): Set memory alignment
4777 to function argument boundary.
4778
68e53db0
HS		 47792009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4780
4781 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
4782 in the lea_add. Reload eventually constraints it properly.
4783 * config/picochip/constraints.md : Remove the target constraint
4784 "b", since it is not needed anymore.
4785
09e361bb
JJ		 47862009-02-16 Jakub Jelinek <jakub@redhat.com>
4787
4788 * gthr-dce.h: Uglify function parameter and local variable names.
4789 * gthr-gnat.h: Likewise.
4790 * gthr-mipssde.h: Likewise.
4791 * gthr-nks.h: Likewise.
4792 * gthr-posix95.h: Likewise.
4793 * gthr-posix.h: Likewise.
4794 * gthr-rtems.h: Likewise.
4795 * gthr-single.h: Likewise.
4796 * gthr-solaris.h: Likewise.
4797 * gthr-tpf.h: Likewise.
4798 * gthr-vxworks.h: Likewise.
4799 * gthr-win32.h: Likewise.
4800
47f5a48f
L		 48012009-02-15 H.J. Lu <hongjiu.lu@intel.com>
4802
4803 PR target/39196
4804 * config/i386/i386.md: Restrict the new peephole2 to move
4805 between MMX/SSE registers.
4806
68c9ab45
RG		 48072009-02-15 Richard Guenther <rguenther@suse.de>
4808
4809 Revert
4810 2009-02-13 Richard Guenther <rguenther@suse.de>
4811
4812 * configure.ac: Enable LFS.
4813 * configure: Re-generate.
4814 * config.in: Likewise.
4815
d7815554
UW		 48162009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4817
4818 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
4819 spu_srqwbyte, spu_srqwbytebc): Define.
4820 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
4821 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
4822 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
4823 "shrqby_<mode>"): New insn-and-split patterns.
4824 * config/spu/spu.c (expand_builtin_args): Determine and return
4825 number of operands using spu_builtin_description data.
4826 (spu_expand_builtin_1): Use it.
4827
c208436c
SE		 48282009-02-13 Steve Ellcey <sje@cup.hp.com>
4829
4830 PR target/38056
4831 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
4832 TARGET_CONST_GP.
4833
c2e7ba7e
L		 48342009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4835
4836 PR target/39149
4837 * config/i386/i386.c (override_options): Correct warning
6c6094f1 4838 messages for -malign-loops, -malign-jumps and -malign-functions.
c2e7ba7e 4839
72f4e3a7
L		 48402009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4841
4842 PR target/39152
4843 * config/i386/i386.md: Restrict the new peephole2 to move
4844 between the general purpose registers.
4845
53f648e2
L		 48462009-02-13 H.J. Lu <hongjiu.lu@intel.com>
4847
4848 PR target/39162
4849 * config/i386/i386.c (type_natural_mode): Add a new argument.
6b67572e 4850 Return the original mode and warn ABI change if vector size is 32byte.
53f648e2
L		 4851 (function_arg_advance): Updated.
4852 (function_arg): Likewise.
4853 (ix86_function_value): Likewise.
4854 (ix86_return_in_memory): Likewise.
4855 (ix86_sol10_return_in_memory): Likewise.
4856 (ix86_gimplify_va_arg): Likewise.
4857 (function_arg_32): Don't warn ABX ABI change here.
4858 (function_arg_64): Likewise.
4859
38432148 48602009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
b1c92d54
BS		 4861
4862 * loop-iv.c (implies_p): In the final case, test that operands 0
4863 of the two comparisons match.
4864
dd2139e7
BS		 4865 * config/bfin/bfin.c (find_prev_insn_start): New function.
4866 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
4867 (find_next_insn_start): Move.
4868
601b3e1a
RG		 48692009-02-13 Richard Guenther <rguenther@suse.de>
4870
4871 * configure.ac: Enable LFS.
4872 * configure: Re-generate.
4873 * config.in: Likewise.
4874
f007042e
JM		 48752009-02-13 Joseph Myers <joseph@codesourcery.com>
4876
4877 PR c/35444
4878 * c-parser.c (c_parser_parms_list_declarator): Discard pending
4879 sizes on syntax error after some arguments have been parsed.
4880
3f238e8b
JJ		 48812009-02-12 Jakub Jelinek <jakub@redhat.com>
4882
4883 * doc/invoke.texi (-fira): Remove.
4884
328e13b7
L		 48852009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4886
4887 * caller-save.c: Replace regclass.c with reginfo.c in comments.
4888 * recog.c: Likewise.
4889 * rtl.h: Likewise.
4890
c252db20
L		 48912009-02-12 Uros Bizjak <ubizjak@gmail.com>
4892
4893 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
4894 (umul_ppmm): Likewise.
4895 (count_leading_zeros): Likewise.
4896 (count_trailing_zeros): Likewise.
4897 (UMUL_TIME): Likewise.
4898
48992009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4900
ba181049
UB		 4901 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
4902 soft-fp/t-softfp to tmake_file.
c252db20
L		 4903
4904 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
ba181049
UB		 4905 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
4906 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
4907 IA64_BUILTIN_INFQ]: New.
c252db20
L		 4908 (ia64_init_builtins): Initialize __builtin_infq,
4909 __builtin_fabsq and __builtin_copysignq if not HPUX.
4910 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
4911 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
4912
4913 * config/ia64/lib1funcs.asm (__divtf3): Define only if
4914 SHARED is defined.
4915 (__fixtfti): Likewise.
4916 (__fixunstfti): Likewise.
4917 (__floattitf): Likewise.
4918
4919 * config/ia64/libgcc-glibc.ver: New.
4920 * config/ia64/t-fprules-softfp: Likewise.
4921 * config/ia64/sfp-machine.h: Likewise.
4922
4923 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
4924 (LIBGCC2_TF_CEXT): Likewise.
4925 (TF_SIZE): Likewise.
4926 (TARGET_INIT_LIBFUNCS): Likewise.
4927
ba181049 4928 * config/ia64/t-glibc (SHLINB_MAPFILES):
6b67572e 4929 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
c252db20 4930
f13eae6a
L		 49312009-02-12 H.J. Lu <hongjiu.lu@intel.com>
4932
4933 * config/i386/i386.c (construct_container): Rewrite processing
4934 BLKmode with X86_64_SSE_CLASS.
4935
12019aec
L		 49362009-02-12 Paolo Bonzini <bonzini@gnu.org>
4937
4938 PR target/39152
4939 * config/i386/i386.md: Replace simplify_replace_rtx with
4940 replace_rtx in the new peephole2.
4941
28c11eb3
NS		 49422009-02-12 Nathan Sidwell <nathan@codesourcery.com>
4943
4944 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
4945 loop unrolling do not happen at -O2.
4946
c7b94907
MM		 49472009-02-12 Michael Matz <matz@suse.de>
4948
4949 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
4950
61e98967
JJ		 49512009-02-12 Jakub Jelinek <jakub@redhat.com>
4952
4953 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
4954 for -g3.
4955
a2a237b5
BE		 49562009-02-12 Ben Elliston <bje@au.ibm.com>
4957
4958 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
4959 patterns when updating the back chain. Missed in the 2009-02-10
4960 change.
4961
853eda8d
JJ		 49622009-02-11 Janis Johnson <janis187@us.ibm.com>
4963
4964 * doc/extend.texi (Decimal Floating Types): Update identifier of
4965 draft TR and list of missing support.
4966
3ad6b266
JJ		 49672009-02-11 Jakub Jelinek <jakub@redhat.com>
4968
4969 PR middle-end/39154
4970 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
4971 bit to variable length decl's flags, add it also to its
4972 pointer replacement variable.
4973
b058b753
UB		 49742009-02-11 Uros Bizjak <ubizjak@gmail.com>
4975 Jakub Jelinek <jakub@redhat.com>
4976
4977 PR target/39118
4978 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
4979 (memory_blockage): New expander.
4980 (*memory_blockage): New insn pattern.
4981 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
4982 instead of general blockage at the end of function prologue when
4983 frame pointer is used to access red zone area. Do not emit blockage
4984 when profiling, it is emitted in generic code.
4985 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
4986 function epilogue when frame pointer is used to access red zone area.
4987
bab64f23
PB		 49882009-02-11 Paolo Bonzini <bonzini@gnu.org>
4989
0ce6dcfa 4990 PR target/38824
bab64f23
PB		 4991 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
4992 by arithmetic with memory operands.
4993 * config/i386/predicates.md (commutative_operator): New.
4994
8fd94bda
JJ		 49952009-02-10 Janis Johnson <janis187@us.ibm.com>
4996
4997 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
4998 bulleted lists.
4999
794511d2
EB		 50002009-02-10 Eric Botcazou <ebotcazou@adacore.com>
5001
5002 * alias.h (record_alias_subset): Declare.
5003 * alias.c (record_alias_subset): Make global.
5004
6da7fc87
NC		 50052009-02-10 Nick Clifton <nickc@redhat.com>
5006
5007 * tree-parloops.c: Change license to GPLv3.
5008 * ipa-struct-reorg.c: Change license to GPLv3.
5009 * ipa-struct-reorg.h: Change license to GPLv3.
5010
a03813c8
SE		 50112009-02-10 Steve Ellcey <sje@cup.hp.com>
5012
5013 PR c/39084
5014 * c-decl.c (start_struct): Return NULL on error.
5015
fc3103e7
JJ		 50162009-02-10 Jakub Jelinek <jakub@redhat.com>
5017
9b43d37b
JJ		 5018 PR middle-end/39124
5019 * cfgloopmanip.c (remove_path): Call remove_bbs after
5020 cancel_loop_tree, not before it.
5021
fc3103e7 5022 PR target/39139
b058b753 5023 * function.h (struct function): Add has_local_explicit_reg_vars bit.
fc3103e7
JJ		 5024 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5025 VAR_DECLs were seen.
5026 * tree-ssa-live.c (remove_unused_locals): Recompute
5027 cfun->has_local_explicit_reg_vars.
5028 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5029 copies or clearings if cfun->has_local_explicit_reg_vars.
5030
dbf9ee15
UB		 50312009-02-10 Uros Bizjak <ubizjak@gmail.com>
5032
5033 PR target/39118
5034 * config/i386/i386.c (expand_prologue): Emit blockage at the end
5035 of function prologue when frame pointer is used to access
5036 red zone area.
5037
bdec4dc7
RG		 50382009-02-10 Richard Guenther <rguenther@suse.de>
5039
5040 PR middle-end/39127
5041 * gimplify.c (gimple_regimplify_operands): Always look if
5042 we need to create a temporary.
5043
7cae94fc
RG		 50442009-02-10 Richard Guenther <rguenther@suse.de>
5045
5046 PR tree-optimization/39132
5047 * tree-loop-distribution.c (todo): New global var.
5048 (generate_memset_zero): Trigger TODO_rebuild_alias.
5049 (tree_loop_distribution): Return todo.
5050
a8800687
L		 50512009-02-10 H.J. Lu <hongjiu.lu@intel.com>
5052
5053 PR target/39119
5054 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5055 (x86_64_reg_class_name): Removed.
5056 (classify_argument): Return 0 if bytes > 32. Return 0 if the
5057 first one isn't X86_64_SSE_CLASS or any other ones aren't
5058 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
5059 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5060 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
5061 and 3 X86_64_SSEUP_CLASS.
5062 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
5063 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5064
d4bacef0
BE		 50652009-02-10 Ben Elliston <bje@au.ibm.com>
5066
5067 * config/rs6000/rs6000.md (allocate_stack): Always use an update
5068 form instruction to update the stack back chain word, even if the
5069 user has disabled the generation of update instructions.
5070 (movdi_<mode>_update_stack): New.
5071 (movsi_update_stack): Likewise.
5072 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5073 always use an update form instruction to update the stack back
5074 chain word.
5075
01d7d2f3
SP		 50762009-02-09 Sebastian Pop <sebastian.pop@amd.com>
5077
5078 PR middle-end/38953
b058b753
UB		 5079 * graphite.c (if_region_set_false_region): After moving a region in
5080 the false branch of a condition, remove the empty dummy basic block.
01d7d2f3
SP		 5081 (gloog): Remove wrong fix for PR38953.
5082
e41e2ab4
UW		 50832009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5084
5085 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5086 generation due to implicit sign extension.
5087
4bb07c5d
EB		 50882009-02-09 Eric Botcazou <ebotcazou@adacore.com>
5089
5090 PR middle-end/38981
5091 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5092 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5093
f060a261
RG		 50942009-02-09 Richard Guenther <rguenther@suse.de>
5095
5096 PR middle-end/35202
5097 * convert.c (convert_to_real): Disable (float)fn((double)x)
5098 to fnf(x) conversion if errno differences may occur and
5099 -fmath-errno is set.
5100
5a7e237c
AS		 51012009-02-07 Anatoly Sokolov <aesok@post.ru>
5102
5103 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5104 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5105 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5106
feab5a67
JM		 51072009-02-06 Joseph Myers <joseph@codesourcery.com>
5108
5109 PR c/35434
5110 * c-common.c (handle_alias_attribute): Disallow attribute for
5111 anything not a FUNCTION_DECL or VAR_DECL.
5112
90ef2296
JJ		 51132009-02-06 Janis Johnson <janis187@us.ibm.com>
5114
5115 PR c/39035
5116 * real.c (do_compare): Special-case compare of zero against
5117 decimal float value.
5118
1de2c900
JM		 51192009-02-06 Joseph Myers <joseph@codesourcery.com>
5120
5121 PR c/36432
5122 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5123 as indicating flexible array members unless the field itself is
5124 being declarared as the incomplete array.
5125
e901811a
JH		 51262009-02-06 Jan Hubicka <jh@suse.cz>
5127
5128 PR tree-optimization/38844
5129 * ipa-inline.c (try_inline): Stop inlining recursion when edge
5130 is already inlined.
5131
3cfa762b
RG		 51322009-02-06 Richard Guenther <rguenther@suse.de>
5133
5134 PR middle-end/38977
5135 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5136 fork because we may expand it as __gcov_fork.
5137
8506528c
NC		 51382009-02-06 Nick Clifton <nickc@redhat.com>
5139
dbf9ee15 5140 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
8506528c 5141
85169114
PB		 51422009-02-06 Paolo Bonzini <bonzini@gnu.org>
5143
5144 PR tree-optimization/35659
5145 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5146 vn_phi_eq): Shortcut if hashcode does not match.
5147 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5148 NULL operands.
5149 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5150 and avoid iterative_hash_expr.
5151 (FOR_EACH_VALUE_ID_IN_SET): New.
5152 (value_id_compare): Remove.
5153 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5154 sort expressions by value id.
5155
6d39673d
KK		 51562009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
5157
5158 PR target/38991
5159 * config/sh/predicates.md (general_movsrc_operand): Don't check
5160 the subreg of system registers here.
5161
e6e1c050
JJ		 51622009-02-05 Jakub Jelinek <jakub@redhat.com>
5163
5164 PR c++/39106
5165 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5166 on the copied decl.
5167
65a74b5d
PB		 51682009-02-05 Paolo Bonzini <bonzini@gnu.org>
5169
5170 PR rtl-optimization/39110
5171 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5172 addresses, not aligned ones.
5173
08e14b2a
DB		 51742009-02-05 Daniel Berlin <dberlin@dberlin.org>
5175 Richard Guenther <rguenther@suse.de>
5176
5177 PR tree-optimization/39100
5178 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5179 comment says and add edges.
5180
5006381c
JM		 51812009-02-05 Joseph Myers <joseph@codesourcery.com>
5182
5183 PR c/35435
5184 * c-common.c (handle_tls_model_attribute): Ignore attribute for
5185 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5186
b0789219
TG		 51872009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
5188
5189 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5190 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5191 register_bb_in_sese, new_sese, free_sese): Moved.
5192 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5193 outermost_loop_in_scop, build_scop_iteration_domain,
5194 expand_scalar_variables_ssa_name, get_vdef_before_scop,
5195 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5196 Use loop_in_sese_p instead of loop_in_scop_p.
5197 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5198 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5199 (scopdet_basic_block_info): Fix bug in scop detection.
5200 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5201 eq_loop_to_cloog_loop): Remove.
5202 (nb_loops_around_loop_in_scop, nb_loop
5203 ref_nb_loops): Moved here...
5204 * graphite.h (ref_nb_loops): ... from here.
5205 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5206 (loop_domain_dim, loop_iteration_vector_dim): Remove.
5207 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5208 * testsuite/gcc.dg/graphite/scop-19.c: New
5209
48e8382e
PB		 52102009-02-04 Paolo Bonzini <bonzini@gnu.org>
5211 Hans-Peter Nilsson <hp@axis.com>
5212
5213 PR rtl-optimization/37889
5214 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5215 Move offset handling from PLUS to before the switch. Use new
5216 arguments when considering SYMBOL_REFs too.
5217 (rtx_addr_can_trap_p): Pass dummy offset and size.
5218 (enum may_trap_p_flags): Remove.
5219 (may_trap_p_1): Pass size from MEM_SIZE.
5220
5221 PR rtl-optimization/38921
5222 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5223 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5224 * rtlanal.c (may_trap_after_code_motion_p): Delete.
5225 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5226
69349ea5
L		 52272009-02-04 H.J. Lu <hongjiu.lu@intel.com>
5228
5229 AVX Programming Reference (January, 2009)
5230 * config/i386/sse.md (*vpclmulqdq): New.
5231
b545e411
JJ		 52322009-02-04 Jakub Jelinek <jakub@redhat.com>
5233
5234 PR tree-optimization/38977
5235 PR gcov-profile/38292
bf9b2cc9 5236 * calls.c (special_function_p): Disregard __builtin_ prefix.
b545e411 5237
5b43bf05
HS		 52382009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
5239
5240 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5241 non-indexable addresses even before reload.
5242
062c4bb3
JM		 52432009-02-03 Joseph Myers <joseph@codesourcery.com>
5244
5245 PR c/29129
5246 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5247 as having variable size. Do not give an error for unnamed
5248 parameters with [*] declarators. Give a warning for type names
5249 with [*] declarators and mark them as variable size.
5250 * c-parser.c (c_parser_sizeof_expression): Do not give an error
5251 for sizeof applied to [*] type names.
5252
6175f578
AP		 52532009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
5254
5255 PR C++/36607
5256 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5257
d4f4bc84
JJ		 52582009-02-03 Jakub Jelinek <jakub@redhat.com>
5259
5260 * gcc.c (process_command): Update copyright notice dates.
5261 * gcov.c (print_version): Likewise.
5262 * gcov-dump.c (print_version): Likewise.
5263 * mips-tfile.c (main): Likewise.
5264 * mips-tdump.c (main): Likewise.
5265
f6294de7
JM		 52662009-02-03 Joseph Myers <joseph@codesourcery.com>
5267
5268 PR c/35433
5269 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5270 for composite type involving a zero-length array type.
5271
754ccf7c
JJ		 52722009-02-03 Jakub Jelinek <jakub@redhat.com>
5273
70f16287
JJ		 5274 PR target/35318
5275 * function.c (match_asm_constraints_1): Skip over
5276 initial optional % in the constraint.
5277
754ccf7c
JJ		 5278 PR inline-asm/39059
5279 * c-parser.c (c_parser_postfix_expression): If fixed point is not
5280 supported, don't accept FIXED_CSTs.
5281 * c-decl.c (finish_declspecs): Error if fixed point is not supported
5282 and _Sat is used without _Fract/_Accum. Set specs->type to
5283 integer_type_node for cts_fract/cts_accum if fixed point is not
5284 supported.
5285
965fdadf
CM		 52862009-02-02 Catherine Moore <clm@codesourcery.com>
5287
dbf9ee15 5288 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
965fdadf 5289
2e8a796f
RS		 52902009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
5291
5292 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5293 (ABI_HAS_64BIT_SYMBOLS): Use it.
5294 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5295
e0079468
PB		 52962009-02-02 Paul Brook <paul@codesourcery.com>
5297
5298 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5299
eca72963
JJ		 53002009-02-02 Jakub Jelinek <jakub@redhat.com>
5301
5302 PR inline-asm/39058
5303 * recog.h (asm_operand_ok): Add constraints argument.
5304 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
5305 recurse on matching constraint.
5306 (check_asm_operands): Pass constraints as 3rd argument to
5307 asm_operand_ok. Don't look up matching constraint here.
5308 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5309 to asm_operand_ok.
5310
b5bde9ff
BE		 53112009-02-02 Ben Elliston <bje@au.ibm.com>
5312
5313 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5314 TARGET_NARROW_VOLATILE_BITFIELD macro names.
5315
30f3e427
JDA		 53162009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5317
be7659ba
JDA		 5318 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5319 information. Remove some obsolete information. Reorganize.
5320
30f3e427
JDA		 5321 * config/pa/fptr.c: Revert license to GPL 2.
5322 * config/pa/milli64.S: Likewise.
5323
3cbfaf98
DK		 53242009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5325
5326 PR target/38904
5327 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
5328 LIBRARY name in, instead of hard-coding it.
5329 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
5330 extra target make frag to tmake_files according to EH model.
5331 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
5332 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
5333 frags that define makefile variable EH_MODEL appropriately.
5334 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
5335 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
5336 to "-sjlj" according to type of EH configured.
5337 (LIBGCC_SONAME): Concatenate it to shared library base name.
5338 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
5339 to "_sjlj" according to type of EH configured.
5340 (LIBGCC_SONAME): Concatenate it to shared library base name.
5341 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
5342 (SHLIB_LINK): Add missing semicolon to if-else construct.
5343 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5344 string value of "pe_dll" command-line option.
5345 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
5346 (SHLIB_SONAME): Use it when overriding t-cygming default.
5347 (SHLIB_IMPLIB): Override t-cygming default.
5348 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
5349 string value of "pe_dll" command-line option.
5350
8d0b6068
DK		 53512009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
5352
5353 PR target/38952
5354 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
bf9b2cc9 5355 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
8d0b6068 5356
14c28276
RG		 53572009-01-31 Richard Guenther <rguenther@suse.de>
5358
5359 PR tree-optimization/38937
5360 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5361 computing the transitive closure.
5362
5f4d82c2
RG		 53632009-01-30 Richard Guenther <rguenther@suse.de>
5364
5365 PR tree-optimization/39041
5366 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5367 Propagate variable indices only if the types match for this stmt.
5368
d0728ae0
JJ		 53692009-01-30 Jakub Jelinek <jakub@redhat.com>
5370
5371 PR target/39013
5372 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5373 inline but never defined.
5374
6b67572e 53752009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
9fec758d
WG		 5376
5377 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5378 (*insv_h_di_reg_extimm): New insn.
5379 (*insv_l<mode>_reg_extimm): New insn.
5380
53812009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
9e8be1e4
HS		 5382
5383 * config/picochip/picochip.c (flag_conserve_stack): set
5384 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5385 fconserve-stack. Reduce call-overhead used by inliner.
5386
9fec758d 53872009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
df9198ab
HS		 5388
5389 PR/38157
5390 * common.opt (flag_conserve_stack): Initialised to zero.
5391
7f1c539c
KT		 53922009-01-30 Kai Tietz <kai.tietz@onevision.com>
5393
5394 PR/39002
5395 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5396 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5397 method.
5398
3631be48
L		 53992009-01-29 H.J. Lu <hongjiu.lu@intel.com>
5400
5401 * ira-color.c (allocno_reload_assign): Update comments.
5402 * regmove.c (regmove_optimize): Likewise.
5403
5404 * ra.h: Removed.
5405
416ac4d4
RM		 54062009-01-29 Robert Millan <rmh@aybabtu.com>
5407
5408 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5409 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
5410 `MD_UNWIND_SUPPORT'.
5411 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5412
d5e54bc1
KH		 54132009-01-29 Kazu Hirata <kazu@codesourcery.com>
5414
5415 PR tree-optimization/39007
5416 * tree-loop-distribution.c (generate_builtin): Use
5417 recompute_dominator to compute the immediate dominator of the
5418 basic block just after the loop.
5419
38432148 54202009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
e9e077fa
RO		 5421
5422 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5423 (ASM_OUTPUT_DWARF_PCREL): Define.
5424
38432148 54252009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2af2dbdc
VM		 5426
5427 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5428 * doc/passes.texi: Remove entries about regclass, local-alloc, and
5429 global. Modify entries about regmove and IRA.
5430
5431 * ra-conflict.c: Remove the file.
5432
5433 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5434
5435 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5436 (pass_regclass_init): Rename to pass_reginfo_init.
5437
5438 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5439
5440 * toplev.h (flag_ira): Remove.
5441
5442 * caller-save.c (setup_save_areas): Remove flag_ira.
5443
bf9b2cc9 5444 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2af2dbdc
VM		 5445
5446 * global.c: Remove the file.
5447
ba20e309 5448 * opts.c (decode_options): Remove flag_ira.
2af2dbdc
VM		 5449
5450 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5451
5452 * regmove.c: Modify file description.
5453 (find_use_as_address, try_auto_increment): Define them only if
5454 AUTO_INC_DEC is defined.
5455 (replacement_quality, replace_in_call_usage, fixup_match_1,
5456 stable_and_no_regs_but_for_p): Remove.
5457 (reg_set_in_bb): Make it static.
5458 (regmove_optimize): Remove flag_ira and code which worked for
5459 !flag_ira.
5460
5461 * local-alloc.c: Remove the file.
5462
5463 * common.opt (fira): Remove.
5464
5465 * ira.c: Include except.h.
5466 (eliminable_regset): Move from global.c.
5467 (mark_elimination): Ditto. Remove flag_ira.
5468 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5469 equiv_mem_modified, validate_equiv_mem_from_store,
5470 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5471 contains_replace_regs, memref_referenced_p, memref_used_between_p,
5472 no_equiv, recorded_label_ref): Move from local-alloc.c.
5473 (update_equiv_regs): Ditto. Make it static.
5474 (print_insn_chain, print_insn_chains): Move it from global.c.
bf9b2cc9 5475 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2af2dbdc
VM		 5476 (build_insn_chain): Ditto. Make it static.
5477 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
5478 Rename to init_live_subregs.
5479 (gate_ira): Remove flag_ira.
5480
5481 * regclass.c: Rename reginfo.c. Change file description.
5482 (FORBIDDEN_INC_DEC_CLASSES): Remove.
dbf9ee15 5483 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2af2dbdc
VM		 5484 (init_reg_sets_1): Remove code for evaluation of
5485 reg_class_superclasses and losing_caller_save_reg_set.
5486 (init_regs): Remove init_reg_autoinc.
5487 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5488 ok_for_base_p_nonstrict): Remove.
bf9b2cc9 5489 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2af2dbdc
VM		 5490 (pass_regclass_init): Rename to pass_reginfo_init. Modify
5491 corresponding entries.
5492 (dump_regclass, record_operand_costs, scan_one_insn,
5493 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5494 record_address_regs, auto_inc_dec_reg_p): Remove.
5495 (gt-regclass.h): Rename to gt-reginfo.h.
5496
5497 * rtl.h (dump_global_regs, retry_global_alloc,
bf9b2cc9 5498 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2af2dbdc
VM		 5499
5500 * Makefile.in (RA_H): Remove.
5501 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5502 Rename regclass.o to reginfo.o.
5503 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
5504 gt-reginfo.h.
5505 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5506 (GTFILES): Rename regclass.c to reginfo.c.
5507
5508 * passes.c (init_optimization_passes): Remove pass_local_alloc and
bf9b2cc9 5509 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2af2dbdc
VM		 5510
5511 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5512 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5513 Remove flag_ira.
6b67572e 5514 (finish_spills): Ditto. Remove code for !flag_ira.
2af2dbdc 5515
c95b2534 55162009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
00b251a0
KZ		 5517
5518 PR middle-end/35854
5519 * doc/invoke.texi (rtl debug options): Complete rewrite.
5520 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5521 to auto_inc_dec".
5522 * mode-switching.c (pass_mode_switching): Rename pass from
5523 "mode-sw" to "mode_sw".
5524 * except.c (pass_convert_to_eh_ranges): Rename pass from
5525 "eh-ranges" to "eh_ranges".
5526 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5527 to "subreg1".
5528
5529
72a54528
AM		 55302009-01-29 Andrey Belevantsev <abel@ispras.ru>
5531 Alexander Monakov <amonakov@ispras.ru>
5532
5533 PR middle-end/38857
5534 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5535 register.
5536 (move_exprs_to_boundary): Change return type and pass through
5537 should_move from move_op. Relax assert. Update usage ...
5538 (schedule_expr_on_boundary): ... here. Use should_move instead of
5539 cant_move.
5540 (move_op_orig_expr_found): Indicate that insn was disconnected from
5541 stream.
5542 (code_motion_process_successors): Do not call after_merge_succs
5543 callback if original expression was not found when traversing any of
5544 the branches.
5545 (code_motion_path_driver): Change return type. Update prototype.
5546 (move_op): Update comment. Add a new parameter (should_move). Update
5547 prototype. Set *should_move based on indication provided by
5548 move_op_orig_expr_found.
5549
001b9eb6
PH		 55502009-01-28 Pat Haugen <pthaugen@us.ibm.com>
5551
5552 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5553 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5554 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5555 * config/rs6000/rs6000.c (rs6000_override_options): Default
5556 avoid-indexed-addresses on for Power6, off for everything else.
5557 (avoiding_indexed_address_p): New function.
5558 (rs6000_legitimize_address): Use it.
5559 (rs6000_legitimate_address): Likewise.
5560 * config/rs6000/rs6000.md (movXX_updateX): Likewise
5561
59dc4898
KH		 55622009-01-28 Kazu Hirata <kazu@codesourcery.com>
5563
5564 PR tree-optimization/38997
5565 * tree-loop-distribution.c (generate_memset_zero): Use
5566 POINTER_PLUS_EXPR for a pointer addition.
5567
07da44ab
AK		 55682009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
5569
5570 * config/s390/s390.md (bswap<mode>2): New pattern added.
5571
cdc15d23
WG		 55722009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5573
5574 * config/s390/s390.md (*tls_load_31): Added type attribute.
5575
d46f24b6
WG		 55762009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5577
5578 * config/s390/s390.md: Fix a few comments.
5579
729e750f
WG		 55802009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
5581
5582 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
5583 (*tm<mode>_full): Fixed z10prop attribute.
5584 (*tst<mode>_extimm): Fixed z10prop attribute.
5585 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
5586 (*tstqiCCT_cconly): Fixed z10prop attribute.
5587 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
5588 (*movsi_larl): Fixed z10prop attribute.
5589 (*movsi_zarch): Fixed z10prop attribute.
5590 (*movsi_eas): Fixed z10prop attribute.
5591 (*movhi): Fixed z10prop attribute.
5592 (*movqi): Fixed z10prop attribute.
5593 (*movstrictqi): Fixed z10prop attribute.
5594 (*mov<mode>): Fixed z10prop attribute.
5595 (*movcc): Fixed z10prop attribute.
5596 (*sethighpartdi_64): Fixed z10prop attribute.
5597 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
5598 (*negdi2_sign_cc): Fixed z10prop attribute.
5599 (*negdi2_sign): Fixed z10prop attribute.
5600 (*absdi2_sign_cc): Fixed z10prop attribute.
5601 (*absdi2_sign): Fixed z10prop attribute.
5602 (*negabsdi2_sign_cc): Fixed z10prop attribute.
5603 (*negabsdi2_sign): Fixed z10prop attribute.
5604 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
5605 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
5606 (doloop_si64): Fixed z10prop attribute.
5607 (doloop_si31): Fixed z10prop attribute.
5608 (doloop_long): Fixed z10prop attribute.
5609 (indirect_jump): Fixed z10prop attribute.
5610 (nop): Fixed z10prop attribute.
5611 (main_base_64): Fixed z10prop attribute.
5612 (reload_base_64): Fixed z10prop attribute.
5613
c7789bfb
JJ		 56142009-01-28 Jakub Jelinek <jakub@redhat.com>
5615
5616 PR rtl-optimization/38740
6b67572e
UB		 5617 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
5618 if !optimize.
c7789bfb
JJ		 5619 * config/mips/mips.c (mips_reorg): Likewise.
5620
de081cfd
RG		 56212009-01-28 Richard Guenther <rguenther@suse.de>
5622
5623 PR tree-optimization/38926
5624 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
5625 with the correct value id to a value.
5626 (do_regular_insertion): Use the value number of edoubleprime
5627 for the value number of the expr.
5628
5629 Revert
5630 2008-08-21 Richard Guenther <rguenther@suse.de>
bf9b2cc9 5631
d748c406
UB		 5632 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
5633 a PHI ask VN if it is already available.
5634 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
5635 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
de081cfd 5636
a9d386a1
JJ		 56372009-01-28 Jakub Jelinek <jakub@redhat.com>
5638
5639 PR middle-end/38934
5640 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
5641 set to varying whenever max has TREE_OVERFLOW set, similarly
5642 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
5643
97a170cd
RG		 56442009-01-28 Richard Guenther <rguenther@suse.de>
5645
5646 PR middle-end/38908
5647 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
5648 uninitialized aggregate uses in call arguments.
5649
89ebafc6
PB		 56502009-01-28 Paolo Bonzini <bonzini@gnu.org>
5651
5652 PR tree-optimization/38984
5653 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
5654 the nothing_id variable if -fno-delete-null-pointer-checks.
5655
bef3c57b
UB		 56562009-01-28 Uros Bizjak <ubizjak@gmail.com>
5657
5658 PR target/38988
5659 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
5660 (set_got_offset_rex64): Ditto.
5661
0c6390fa
L		 56622009-01-27 H.J. Lu <hongjiu.lu@intel.com>
5663
5664 PR target/38941
5665 * doc/extend.texi: Improve local variable with asm reg.
5666
bee6fa6d
AN		 56672009-01-27 Adam Nemet <anemet@caviumnetworks.com>
5668
5669 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
5670 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
5671 was not supplied then set warn_packed_bitfield_compat to the
5672 default value of 1.
5673 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
5674 against 1.
5675
b5c3dfbb
RG		 56762009-01-27 Richard Guenther <rguenther@suse.de>
5677
5678 PR tree-optimization/38503
5679 * cfgexpand.c (expand_gimple_basic_block): Ignore
5680 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
5681 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
5682 variables that cannot have TBAA applied.
5683 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
5684 statements.
5685
d748c406 56862009-01-27 Uros Bizjak <ubizjak@gmail.com>
576de5cb
UB		 5687
5688 PR middle-end/38969
5689 * calls.c (initialize_argument_information): Do not wrap complex
5690 arguments in SAVE_EXPR.
5691
9112bb38
AT		 56922009-01-26 Andreas Tobler <a.tobler@schweiz.org>
5693
5694 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5efb79fc 5695 (INSTALL_LIBGCC): Revert typo commit.
9112bb38 5696
4757704f
RG		 56972009-01-26 Richard Guenther <rguenther@suse.de>
5698
5699 PR tree-optimization/38745
5700 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
5701 from special handling.
5702
e3e6cff4
RG		 57032009-01-26 Richard Guenther <rguenther@suse.de>
5704
5705 PR tree-optimization/38745
5706 * tree-ssa.c (execute_update_addresses_taken): Do not include
5707 variables that cannot possibly be a register in not_reg_needs.
5708 Do not clear TREE_ADDRESSABLE on vars that may not become
5709 registers.
5710 * tree-ssa.c (update_alias_info_1): Include those in the set
5711 of addressable vars.
5712
dc874b53
RG		 57132009-01-26 Richard Guenther <rguenther@suse.de>
5714
5715 PR middle-end/38851
5716 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
5717 * tree-ssa-dse.c: Include langhooks.h
5718 (execute_simple_dse): Remove stores with zero size.
5719
849421a3
JJ		 57202009-01-24 Jakub Jelinek <jakub@redhat.com>
5721
5722 PR c/38957
5723 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
5724 as PLUS_EXPR.
5725
82f70421
JB		 57262009-01-24 Julian Brown <julian@codesourcery.com>
5727
5728 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
5729 config/arm/linux-atomic.c.
5730 * config/arm/linux-atomic.c: New.
5731
863412d6
EB		 57322009-01-24 Eric Botcazou <ebotcazou@adacore.com>
5733
5734 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
5735 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
5736 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
5737
8c684300
L		 57382009-01-24 H.J. Lu <hongjiu.lu@intel.com>
5739
5740 PR c/38938
93f1527a 5741 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
8c684300
L		 5742 properly.
5743
b840fb02
SP		 57442009-01-24 Sebastian Pop <sebastian.pop@amd.com>
5745
5746 PR tree-optimization/38953
5747 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5748 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
5749 (gloog): Split the exit of the scop when the scop exit is a loop exit.
5750 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5751 changed the CFG.
5752
ecee559f
PB		 57532009-01-24 Paul Brook <paul@codesourcery.com>
5754
5755 * config/arm/neon.md (neon_type): Move to arm.md.
5756 (neon_mov<VSTRUCT>): Add neon_type attribute.
5757 * config/arm/arm.md (neon_type): Move to here.
5758 (conds): Add "unconditioal" and use as default for NEON insns.
5759
61ad0914
BE		 57602009-01-24 Ben Elliston <bje@au.ibm.com>
5761
5762 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
5763 void *' warning from -Wc++-compat.
5764 * Makefile.in (dominance.o-warn): Remove.
5765
38432148 57662009-01-23 Paolo Bonzini <bonzini@gnu.org>
9bacafeb
PB		 5767
5768 PR tree-optimization/38932
5769 * fold-const.c (fold_unary_ignore_overflow): New.
5770 * tree.h (fold_unary_ignore_overflow): Declare.
5771 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
5772 * tree-ssa-sccvn.c (visit_reference_op_load,
5773 simplify_unary_expression): Likewise.
5774
2cd36c22
AN		 57752009-01-22 Adam Nemet <anemet@caviumnetworks.com>
5776
5777 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
5778 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
5779 regardless of their type.
5780 * c-common.c (handle_packed_attribute): Don't ignore packed on
5781 bitfields.
5782 * c.opt (Wpacked-bitfield-compat): New warning option.
5783 * stor-layout.c (place_field): Warn if offset of a field changed.
5784 * doc/extend.texi (packed): Mention the ABI change.
5785 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
5786 (Warning Options): Add it to the list.
5787
e4e624ab
L		 57882009-01-22 H.J. Lu <hongjiu.lu@intel.com>
5789
5790 * c-opts.c (c_common_post_options): Fix a typo in comments.
5791
d0ea0759
SE		 57922009-01-22 Steve Ellcey <sje@cup.hp.com>
5793
5794 PR middle-end/38615
5795 * gimplify.c (gimplify_init_constructor): Fix promotion of const
5796 variables to static.
5797 * doc/invoke.texi (-fmerge-all-constants): Update description.
5798
87673f84
UB		 57992009-01-22 Uros Bizjak <ubizjak@gmail.com>
5800
5801 PR target/38931
5802 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
5803 (*movdi_1_rex64): Use type "mmx" for alternative 5.
5804
96339268
RE		 58052009-01-22 Richard Earnshaw <rearnsha@arm.com>
5806
5807 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
5808 a word boundary.
5809 (LOCAL_ALIGNMENT): Similarly.
5810
442dc742 58112009-01-22 Mark Shinwell <shinwell@codesourcery.com>
87673f84 5812 Joseph Myers <joseph@codesourcery.com>
442dc742
MS		 5813
5814 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
5815 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
5816 * config/arm/arm-tune.md: Regenerate.
5817 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
5818 -march=iwmmxt2.
5819
9b34732e
MS		 58202009-01-22 Mark Shinwell <shinwell@codesourcery.com>
5821
5822 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
5823 version number to five.
5824
03c2a308
DS		 58252009-01-22 Dodji Seketeli <dodji@redhat.com>
5826
5827 PR c++/38930
ba20e309 5828 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
03c2a308
DS		 5829 * c-common.c (set_underlying_type): Likewise.
5830 (is_typedef_decl ): Likewise
5831 * tree.h: Likewise
5832 (set_underlying_type): Likewise.
5833 (is_typedef_type): Likewise.
5834
1240d76e
VM		 58352009-01-21 Vladimir Makarov <vmakarov@redhat.com>
5836
5837 PR middle-end/38587
5838 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
5839 crossing setjmps.
5840
b8a1087d
DK		 58412009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5842
5843 PR bootstrap/37660
5844 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
5845 (LIBGCC_SPEC): Don't define.
5846 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
5847
435da628
UB		 58482009-01-21 Uros Bizjak <ubizjak@gmail.com>
5849
5850 PR rtl-optimization/38879
5851 * alias.c (base_alias_check): Unaligned access via AND address can
5852 alias all surrounding object types except those with sizes equal
5853 or wider than the size of unaligned access.
5854
d597b3ce
DS		 58552009-01-21 Dodji Seketeli <dodji@redhat.com>
5856
5857 PR c++/26693
ba20e309 5858 * c-decl.c (clone_underlying_type): Move this ...
d597b3ce 5859 * c-common.c (set_underlying_type): ... here.
435da628 5860 Also, make sure the function properly sets TYPE_STUB_DECL() on
d597b3ce
DS		 5861 the newly created typedef variant type.
5862 (is_typedef_decl ): New entry point.
5863 * tree.h: Added a new member member_types_needing_access_check to
5864 struct tree_decl_non_common.
5865 (set_underlying_type): New entry point.
5866 (is_typedef_type): Likewise.
5867
71a6fe66
BM		 58682009-01-21 Bingfeng Mei <bmei@broadcom.com>
5869
5870 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
5871 Check whether two instructions have memory references that
5872 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
5873 are helper functions for traversing.
5874 * alias.h (insn_alias_sets_confilict_p): New prototypes.
5875 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
5876 not to draw dependency edge for instructions with non-conflicting
5877 alias sets.
5878
5a248274
JM		 58792009-01-20 Joseph Myers <joseph@codesourcery.com>
5880
5881 PR other/38758
6b67572e
UB		 5882 * longlong.h: Update copyright years. Use soft-fp license notice.
5883 Sync __clz_tab declaration with glibc.
5a248274 5884
4b84f3de
SE		 58852009-01-20 Steve Ellcey <sje@cup.hp.com>
5886
5887 PR target/30687
5888 * doc/extend.texi (syscall_linkage): New.
5889 (version_id): Modify.
5890
37348bf1 58912009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
435da628 5892 Richard Guenther <rguenther@suse.de>
37348bf1
AP		 5893
5894 PR tree-optimization/38747
5895 PR tree-optimization/38748
5896 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
5897 conversion if the base address is an indirect reference and the
5898 aliasing sets could cause issues.
5899
d0a58904
SP		 59002009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5901
5902 * common.opt (fgraphite, fgraphite-identity): Add comment for
5903 explaining why these options are not documented.
5904
71e7afb2
SP		 59052009-01-20 Sebastian Pop <sebastian.pop@amd.com>
5906
5907 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5908 gimple_call_lhs is NULL.
5909
38432148 59102009-01-20 Paolo Bonzini <bonzini@gnu.org>
09efeca1
PB		 5911
5912 PR target/38868
5913 * emit-rtl.c (adjust_address_1): Make sure memref is never
5914 overwritten.
5915
cbb8dee3
BE		 59162009-01-20 Ben Elliston <bje@au.ibm.com>
5917
5918 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
435da628 5919 const qualifier from arg parameter. Remove unnecessary cast to char *.
cbb8dee3
BE		 5920 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
5921 const qualifier from arg 2.
5922
72c66596
IS		 59232009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5924
435da628 5925 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
72c66596 5926
f68211cd
VM		 59272009-01-19 Vladimir Makarov <vmakarov@redhat.com>
5928
5929 PR c/38869
5930 * rtl.h (reinit_regs): New prototype.
5931 * regclass.c: Include ira.h.
5932 (reinit_regs): New.
5933 * Makefile.in (regclass.o): Add ira.h.
5934 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
5935
6e4f1168
L		 59362009-01-18 H.J. Lu <hongjiu.lu@intel.com>
5937
5938 PR target/38736
5939 * c-common.c (handle_aligned_attribute): Use
5940 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
5941 default alignment value.
5942
5943 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
5944
5945 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
5946 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
5947
5948 * doc/extend.texi: Update __attribute__ ((aligned)). Document
5949 __BIGGEST_ALIGNMENT__.
5950
5951 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
5952
890065bf
RG		 59532009-01-18 Richard Guenther <rguenther@suse.de>
5954
5955 PR tree-optimization/38819
5956 * tree-flow.h (operation_could_trap_helper_p): Declare.
5957 * tree-eh.c (operation_could_trap_helper_p): Export.
5958 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
5959 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
5960 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
5961 are about to insert a possibly trapping instruction and fail
5962 in this case.
5963
a729d731
AS		 59642009-01-18 Andreas Schwab <schwab@suse.de>
5965
5966 * doc/install.texi (Configuration): Remove obsolete paragraph
5967 about use of --with-gnu-ld with --with-gnu-as.
5968
a640c13b
KH		 59692009-01-18 Kazu Hirata <kazu@codesourcery.com>
5970
5971 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
5972 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
5973 Follow spelling conventions.
5974
dba2cc0c
BE		 59752009-01-18 Ben Elliston <bje@au.ibm.com>
5976
5977 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
5978 C++ warning about implicit conversion from void * to struct
5979 bitmap_head_def *.
5980 (bitmap_obstack_free): Likewise for bitmap_element *.
bc127c63 5981 * Makefile.in (bitmap.o-warn): Remove.
dba2cc0c 5982
2207a498
DK		 59832009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
5984
5985 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
5986
8137e465
SP		 59872009-01-17 Sebastian Pop <sebastian.pop@amd.com>
5988 Tobias Grosser <tobi.grosser@amd.com>
5989
5990 * graphite.c (graphite_trans_scop_block): Do not block single
5991 nested loops.
5992
5be1c58c
AO		 59932009-01-16 Alexandre Oliva <aoliva@redhat.com>
5994
5995 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
5996 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
5997 test with assertion.
5998
786ce82d
RG		 59992009-01-16 Richard Guenther <rguenther@suse.de>
6000
6001 PR tree-optimization/38835
6002 PR middle-end/36227
6003 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6004 and INT + PTR -> (INT)(PTR p+ INT) folding.
6005 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6006
c1cb09ad
AN		 60072009-01-16 Adam Nemet <anemet@caviumnetworks.com>
6008
6009 PR target/38554
6010 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6011 the subreg from a lowpart subreg if it is also casting the value.
6012
bcab4e19
SP		 60132009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6014 Tobias Grosser <tobi.grosser@amd.com>
6015
6016 * graphite.c (compare_prefix_loops): New.
6017 (build_scop_canonical_schedules): Rewritten.
6018 (graphite_transform_loops): Move build_scop_canonical_schedules
6019 after build_scop_iteration_domain.
6020
0b040072
SP		 60212009-01-16 Sebastian Pop <sebastian.pop@amd.com>
6022 Tobias Grosser <tobi.grosser@amd.com>
6023
6024 * graphite.c (add_conditions_to_domain): Add the loops to
6025 the dimension of the iteration domain. Do copy the domain
6026 only when it exists.
6027 (build_scop_conditions_1): Do not call add_conditions_to_domain.
6028 (add_conditions_to_constraints): New.
6029 (can_generate_code_stmt, can_generate_code): Removed.
6030 (gloog): Do not call can_generate_code.
6031 (graphite_transform_loops): Call add_conditions_to_constraints
6032 after building the iteration domain.
6033
56c6a499
JJ		 60342009-01-16 Jakub Jelinek <jakub@redhat.com>
6035
6036 PR tree-optimization/38789
6037 * tree-ssa-threadedge.c
6038 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6039 __builtin_constant_p.
6040
c95b2534 60412009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
cd3f1729
KZ		 6042
6043 * dce.c (delete_unmarked_insns): Reversed the order that insns are
6044 examined before deleting them.
6045
c433cb14
RE		 60462009-01-16 Richard Earnshaw <rearnsha@arm.com>
6047
6048 * function.c (aggregate_value_p): Correctly extract the function
6049 type from CALL_EXPR_FN lookup.
6050
c95b2534 60512009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
27d62fa4
HS		 6052
6053 * config/picochip/picochip.c (picochip_override_options): Revert
6054 CFI asm flag disable commited previously.
6055
c77bb78f
SP		 60562009-01-15 Sebastian Pop <sebastian.pop@amd.com>
6057 Tobias Grosser <tobi.grosser@amd.com>
6058 Jan Sjodin <jan.sjodin@amd.com>
6059
6060 * graphite.c (scan_tree_for_params): On substractions negate
6061 all the coefficients of the term.
6062 (clast_to_gcc_expression_red): New. Handle reduction expressions
6063 of more than two operands.
6064 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6065 (get_vdef_before_scop): Handle also the case of default definitions.
6066
574af2d6
RS		 60672009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
6068
6069 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6070 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6071 Also use them when walking CALL_INSN_FUNCTION_USAGE.
6072
e939805b
L		 60732009-01-15 H.J. Lu <hongjiu.lu@intel.com>
6074 Joey Ye <joey.ye@intel.com>
6075
6076 PR middle-end/37843
6077 * cfgexpand.c (expand_stack_alignment): Don't update stack
6078 boundary nor check incoming stack boundary here.
6079 (gimple_expand_cfg): Update stack boundary and check incoming
6080 stack boundary here.
6081
c95b2534 60822009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
750900db 6083
435da628 6084 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
750900db 6085
0196c95e
JJ		 60862009-01-14 Jakub Jelinek <jakub@redhat.com>
6087
6088 PR rtl-optimization/38245
6089 * calls.c (expand_call): Add stack arguments to
6090 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6091 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6092 in regs and partially in memory or BLKmode arguments.
6093 (emit_library_call_value_1): Add stack arguments to
6094 CALL_INSN_FUNCTION_USAGE even for pure calls (when
6095 ACCUMULATE_OUTGOING_ARGS).
6096 * dce.c: Include tm_p.h.
6097 (find_call_stack_args): New function.
6098 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
6099 argument.
6100 (mark_insn): Call find_call_stack_args for CALL_Ps.
6101 (prescan_insns_for_dce): Walk insns backwards in bb rather than
6102 forwards. Allocate and free arg_stores bitmap if needed, pass it
6103 down to deletable_insn_p, don't mark stores set in arg_stores
6104 bitmap, clear the bitmap at the beginning of each bb.
6105 * Makefile.in (dce.o): Depend on $(TM_P_H).
6106
6df6bcfa
MM		 61072009-01-14 Michael Meissner <gnu@the-meissners.org>
6108
6109 PR target/22599
435da628
UB		 6110 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6111 to make sure the insn is a conditional test (bug 22599). Reformat a
6112 few long lines.
6df6bcfa 6113
765ec70c
SP		 61142009-01-14 Sebastian Pop <sebastian.pop@amd.com>
6115
6116 PR middle-end/38431
6117 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6118 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6119 (gloog): Do not call cleanup_tree_cfg.
6120 (graphite_transform_loops): Call cleanup_tree_cfg after all
6121 scops have been code generated.
6122
7de2b688
BS		 61232009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
6124 * doc/gty.texi (Invoking the garbage collector): Added new node
6125 and section documenting ggc_collect.
6126
10bd6c5c
RG		 61272009-01-14 Richard Guenther <rguenther@suse.de>
6128
6129 PR tree-optimization/38826
6130 PR middle-end/38477
6131 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6132 initialization notes only if we actually emitted a warning.
6133 (intra_create_variable_infos): Add constraints for a result decl
6134 that is passed by hidden reference.
6135 (build_pred_graph): Mark all related variables non-direct on
6136 address-taking.
6137
9c7c70ee
NC		 61382009-01-14 Nick Clifton <nickc@redhat.com>
6139
6140 * ira-conflicts.c: Include addresses.h for the definition of
6141 base_reg_class.
435da628
UB		 6142 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6143 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
9c7c70ee 6144
cf0c2a60
VM		 61452009-01-13 Vladimir Makarov <vmakarov@redhat.com>
6146
6147 PR target/38811
6148 * Makefile.in (ira-lives.o): Add except.h.
6149
6150 * ira-lives.c: Include except.h.
6151 (process_bb_node_lives): Process can_throw_internal.
6152
d3302fd3
JJ		 61532009-01-13 Jakub Jelinek <jakub@redhat.com>
6154
6155 PR rtl-optimization/38774
6156 * combine.c (simplify_set): When undoing cc_use change, don't do
6157 PUT_CODE on the newly created comparison, but instead put back the
6158 old comparison.
6159
7ab23fd0
JM		 61602009-01-13 Joseph Myers <joseph@codesourcery.com>
6161
6162 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6163 values. Remove duplicate arm8 entry.
6164
f9344488
SP		 61652009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6166
6167 PR tree-optimization/38786
6168 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6169 the SSA_NAME case of expand_scalar_variables_expr.
6170 Set the type of an expression to the type of its assign statement.
6171 (expand_scalar_variables_expr): Also gather the scalar computation
6172 used to index the memory access. Do not pass loop_p.
6173 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
6174 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
bef3c57b
UB		 6175 the gimple_stmt_iterator where it inserts new code.
6176 Do not pass loop_p.
f9344488
SP		 6177 (copy_bb_and_scalar_dependences): Do not pass loop_p.
6178 (translate_clast): Update call to copy_bb_and_scalar_dependences.
6179
2d8bb84d
SP		 61802009-01-13 Sebastian Pop <sebastian.pop@amd.com>
6181
6182 * graphite.h (debug_value): Removed.
6183 * graphite.c (debug_value): Removed.
6184
ff128632
RE		 61852009-01-13 Richard Earnshaw <rearnsha@arm.com>
6186
435da628
UB		 6187 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6188 ldrd/strd with two 32-bit instructions.
ff128632 6189
d5a0a47b
RE		 61902009-01-13 Richard Earnshaw <rearnsha@arm.com>
6191
435da628
UB		 6192 * config/arm/arm.c (struct processors): Pass for speed down into
6193 cost helper functions.
d5a0a47b
RE		 6194 (const_ok_for_op): Handle COMPARE and inequality nodes.
6195 (arm_rtx_costs_1): Rewrite.
6196 (arm_size_rtx_costs): Update prototype.
6197 (arm_rtx_costs): Pass speed down to helper functions.
6198 (arm_slowmul_rtx_costs): Rework cost calculations.
6199 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6200 (arm_9e_rtx_costs): Likewise.
6201
26d5bf5b
UB		 62022009-01-13 Uros Bizjak <ubizjak@gmail.com>
6203
6204 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
435da628 6205 relocations of local symbols wider than UNITS_PER_WORD are not valid.
26d5bf5b
UB		 6206 (alpha_legitimize_address): Do not split local symbols wider than
6207 UNITS_PER_WORD into HIGH/LO_SUM parts.
6208
5d14e3d5
DS		 62092009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
6210
6211 PR bootstrap/38580
6212 * gcc.c (process_command): Replace call to execvp with calls
6213 to pex_one and exit.
6214
33faafca
AS		 62152009-01-03 Anatoly Sokolov <aesok@post.ru>
6216
6217 PR target/29141
6218 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6219 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6220 variant for devices with 3-byte PC.
ba20e309 6221 (__tablejump_elpm__): New.
33faafca 6222
634b5df5
JJ		 62232009-01-12 Jakub Jelinek <jakub@redhat.com>
6224
6225 PR c/32041
6226 * c-parser.c (c_parser_postfix_expression): Allow `->' in
6227 offsetof member-designator, handle it as `[0].'.
6228
2842bb86
JDA		 62292009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6230
6231 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6232 function when not using named sections on targets with named sections
6233 if branch distance is less than 262132.
6234
76ee70f6
RE		 62352009-01-12 Richard Earnshaw <rearnsha@arm.com>
6236
6237 * combine.c (combine_instructions): Recompute
6238 optimize_this_for_speed_p for each BB in the main combine loop.
6239
f56e675d
TB		 62402009-01-12 Tomas Bily <tbily@suse.cz>
6241
6242 PR middlend/38385
26d5bf5b
UB		 6243 * tree-loop-distribution.c (prop_phis): New function.
6244 (generate_builtin): Call prop_phis.
6245 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
f56e675d 6246
c2152239
JJ		 62472009-01-12 Jakub Jelinek <jakub@redhat.com>
6248
6249 PR tree-optimization/38807
6250 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6251 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6252
0e510b3e
AN		 62532009-01-11 Adam Nemet <anemet@caviumnetworks.com>
6254
6255 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6256 subreg of op0 to the original op0.
6257
c95b2534 62582009-01-11 Laurent GUERBY <laurent@guerby.net>
10270471
LG		 6259
6260 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6261
53a7ff9a
MS		 62622009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
6263
6264 PR debug/7055
6265 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6266 starting with digits.
6267
b3a796bc
JJ		 62682009-01-10 Jakub Jelinek <jakub@redhat.com>
6269
6270 PR target/38695
6271 * config/arm/arm.c (arm_is_long_call_p): Don't call
6272 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6273
b21b850e
SB		 62742009-01-09 Steven Bosscher <steven@gcc.gnu.org>
6275
6276 * regrename.c (regrename_optimize): Fix dumping.
6277 (find_oldest_value_reg): Preserve REG_POINTER.
6278 (copy_hardreg_forward_1): Likewise.
6279
e0e10d3a
DN		 62802009-01-09 Diego Novillo <dnovillo@google.com>
6281
bf9b2cc9 6282 * gimple.h (struct gimple_statement_base) <uid>: Document
e0e10d3a
DN		 6283 the restrictions on its use.
6284 (gimple_uid): Tidy.
6285 (gimple_set_uid): Tidy.
6286
c9da2ae8
JJ		 62872009-01-09 Jakub Jelinek <jakub@redhat.com>
6288
6289 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6290 zero guard even if align_bytes != 0 and count is smaller than
6291 size_needed.
6292
38432148 62932009-01-09 Vladimir Makarov <vmakarov@redhat.com>
a174c19c
VM		 6294
6295 PR rtl-optimization/38495
26d5bf5b 6296 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
a174c19c
VM		 6297 (add_range_and_copies_from_move_list): Print all added ranges.
6298 Add ranges to memory optimized destination.
6299
260fda3d
JJ		 63002009-01-09 Jakub Jelinek <jakub@redhat.com>
6301
6f6278ad
JJ		 6302 PR target/38686
6303 PR target/38708
6304 * config/i386/i386.c (override_options): Reject
6305 -mstringop-strategy=rep_8byte with -m32.
6306 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6307 to 1. Do count comparison against epilogue_size_needed at compile
6308 time even when count_exp was constant forced into register. For
6309 size_needed don't jump to epilogue, instead just avoid aligning
6310 and invoke the body algorithm. If need_zero_guard, add zero guard
6311 even if count is non-zero, but smaller than size_needed + number of
6312 bytes that could be stored for alignment.
6313 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6314 to 1. If need_zero_guard, add zero guard even if count is non-zero,
6315 but smaller than size_needed + number of bytes that could be stored
6316 for alignment. Compare size_needed with epilogue_size_needed instead
6317 of desired_align - align, don't adjust size_needed, pass
6318 epilogue_size_needed to the epilogue expanders.
6319
260fda3d 6320 PR c/35742
26d5bf5b 6321 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
260fda3d 6322
67b846fa
JDA		 63232009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6324
6325 * pa.c (last_address): Change to unsigned.
6326 (update_total_code_bytes): Change argument to unsigned. Don't
6327 check if insn addresses are set.
6328 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6329 addresses are not set.
6330 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6331
91c82473
NC		 63322009-01-09 Nick Clifton <nickc@redhat.com>
6333
6334 * config/sh/symbian.c: Replace uses of DECL_INLINE with
6335 DECL_DECLARED_INLINE_P.
6336
4017e262
JJ		 63372009-01-09 Jakub Jelinek <jakub@redhat.com>
6338
0a49e5c2
JJ		 6339 PR middle-end/38347
6340 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6341 GET_MODE (op0) in operand_subword_force calls.
6342
4017e262
JJ		 6343 PR middle-end/38771
6344 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6345 fold_convert arg0 operands to TREE_TYPE (op0) first.
6346
7cd06356
VM		 63472009-01-08 Vladimir Makarov <vmakarov@redhat.com>
6348
6349 * params.def (ira-max-conflict-table-size): Decrease default value
6350 to 1000.
6351
96867bbd
JJ		 63522009-01-08 Jakub Jelinek <jakub@redhat.com>
6353
6354 PR tree-optimization/37031
6355 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6356 on parameter_set.
6357 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6358 allocate it using gc instead of heap, use VEC_quick_push instead of
6359 VEC_safe_push.
6360 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6361 instead of heap, use VEC_quick_push instead of VEC_safe_push.
6362 * tree-data-ref.h (struct access_matrix): Change matrix to gc
6363 allocated vector from heap allocated.
6364 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6365 * tree-loop-linear.c (linear_transform_loops): Allocate nest
6366 vector only after perfect_loop_nest_depth call.
6367
68f61c3d
SP		 63682009-01-08 Sebastian Pop <sebastian.pop@amd.com>
6369 Jan Sjodin <jan.sjodin@amd.com>
6370
6371 PR tree-optimization/38559
6372 * graphite.c (debug_value, copy_constraint,
6373 swap_constraint_variables, scale_constraint_variable, ): New.
6374 (get_lower_bound, get_upper_bound): Removed.
6375 (graphite_trans_bb_strip_mine): Clean up this code that works
6376 only for constant number of iterations. Fully copy upper and
6377 lower bound constraints, not only the constant part of them.
6378 * graphite.h (debug_value): Declared.
6379
82567e33
IR		 63802009-01-08 Ira Rosen <irar@il.ibm.com>
6381
6382 PR tree-optimization/37194
6383 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6384 Don't add the cost of cost model guard in prologue to scalar
6385 outside cost in case of known number of iterations.
6386
7da13f1d
NF		 63872009-01-07 Nathan Froyd <froydnj@codesourcery.com>
6388 Alan Modra <amodra@bigpond.net.au>
6389
6390 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6391 non-word-aligned REG+CONST addressing.
6392
c0f64575
UB		 63932009-01-07 Uros Bizjak <ubizjak@gmail.com>
6394
6395 PR target/38706
6396 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6397 free_after_compilation when outputting a thunk.
6398 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6399 Do not call free_after_compilation here.
6400
301b6a4e
UB		 64012009-01-07 Uros Bizjak <ubizjak@gmail.com>
6402
6403 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
301b6a4e
UB		 6404 (ix86_valid_target_attribute_inner_p): Ditto.
6405
6a114766
JS		 64062009-01-07 Jan Sjodin <jan.sjodin@amd.com>
6407
6408 PR tree-optimization/38492
6409 PR tree-optimization/38498
6410 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6411 * tree-chrec.h (scev_is_linear_expression): Declared.
6412 * graphite.c (graphite_cannot_represent_loop_niter): New.
6413 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6414 (graphite_loop_normal_form): Use gcc_assert.
6415 (scan_tree_for_params): Use CASE_CONVERT.
6416 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6417 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6418 Use gcc_assert. Discard scops that contain unhandled cases.
6419 (build_scop_conditions): Return a boolean status for unhandled cases.
6420 (strip_mine_profitable_p): Print the loop number, not its depth.
6421 (is_interchange_valid): Pass the depth of the loop nest, don't
6422 recompute it wrongly.
6423 (graphite_trans_bb_block): Same.
6424 (graphite_trans_bb_block): Print tentative of loop blocking.
6425 (graphite_trans_scop_block): Do not print that the loop has been
6426 blocked.
6427 (graphite_transform_loops): Do not handle scops that contain condition
6428 scalar phi nodes.
6429
65b82caa
L		 64302009-01-07 H.J. Lu <hongjiu.lu@intel.com>
6431
6432 AVX Programming Reference (December, 2008)
6433 * config/i386/avxintrin.h (_mm256_stream_si256): New.
6434 (_mm256_stream_pd): Likewise.
6435 (_mm256_stream_ps): Likewise.
6436
6437 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6438 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6439 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6440 (bdesc_special_args): Add __builtin_ia32_movntdq256,
6441 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6442 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6443 (ix86_expand_special_args_builtin): Likewise.
6444
6445 * config/i386/sse.md (AVXMODEDI): New.
6446 (avx_movnt<mode>): Likewise.
6447 (avx_movnt<mode>): Likewise.
6448 (<sse>_movnt<mode>): Remove AVX support.
6449 (sse2_movntv2di): Likewise.
6450
cef158f9
RG		 64512009-01-07 Richard Guenther <rguenther@suse.de>
6452
6453 PR middle-end/38751
6454 * fold-const.c (extract_muldiv): Remove obsolete comment.
6455 (fold_plusminus_mult_expr): Undo MINUS_EXPR
6456 to PLUS_EXPR canonicalization for the canonicalization.
6457
246cb5be
GP		 64582009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
6459
6460 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6461 hosted cross-compilers generating less efficient code.
6462
84b9b872
RS		 64632009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6464
6465 * function.h (rtl_data): Add a dbr_scheduled_p field.
6466 * reorg.c (dbr_schedule): Set it.
6467 (gate_handle_delay_slots): Check it.
6468 * config/mips/mips.c (mips_base_delayed_branch): Delete.
6469 (mips_reorg): Check flag_delayed_branch instead of
6470 mips_base_delayed_branch.
6471 (mips_override_options): Don't set mips_base_delayed_branch
6472 or flag_delayed_branch.
6473
ace984c8
RS		 64742009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
6475
6476 PR rtl-optimization/38426.
6477 * ira.c (ira): Set current_function_is_leaf earlier.
6478
7ad7809b
JJ		 64792009-01-06 Jakub Jelinek <jakub@redhat.com>
6480
6481 PR rtl-optimization/38722
6482 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6483 too early, only set a flag and modify after last possible
6484 undo_all point.
6485
c52ec948
JJ		 64862009-01-06 Janis Johnson <janis187@us.ibm.com>
6487
6488 PR c/34252
6489 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6490 * real.c (decimal_single_format): Correct values of emin and emax.
6491 (decimal_double_format): Ditto.
6492 (decimal_quad_format): Ditto.
6493 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6494 computation of DECnn_MIN and DECnn_MAX for corrected values of
6495 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
6496 __DECnn_MIN__, and adjust its computation for the corrected value
6497 of emin.
6498
300240e1
JH		 64992009-01-06 Jan Hubicka <jh@suse.cz>
6500
6501 PR target/38744
435da628 6502 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
300240e1 6503
271c069e
GP		 65042009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
6505
6506 * doc/contrib.texi (Contributors): Slightly adjust the end note.
6507 Add Robert Clark to the list of testers.
6508
64e4c301 65092009-01-06 Jan Hubicka <jh@suse.cz>
c95b2534 6510 Kai Tietz <kai.tietz@onevision.com>
64e4c301 6511
435da628
UB		 6512 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6513 * config/i386/i386.c (ix86_expand_call): Add clobbers.
64e4c301 6514
7650b83e 65152009-01-06 Jan Hubicka <jh@suse.cz>
c95b2534 6516 Kai Tietz <kai.tietz@onevision.com>
7650b83e 6517
435da628
UB		 6518 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6519 for w64 ABI.
6520 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7650b83e
JH		 6521 (ix86_nsaved_regs): Count only general purpose regs.
6522 (ix86_nsaved_sseregs): New.
6523 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6524 to 16 for w64; compute padding and size of sse reg save area.
301b6a4e
UB		 6525 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6526 general purpose regs.
7650b83e
JH		 6527 (ix86_emit_save_sse_regs_using_mov): New.
6528 (ix86_expand_prologue): Save SSE regs if needed.
6529 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6530 (ix86_emit_restore_sse_regs_using_mov): New.
6531 (ix86_expand_epilogue): Save SSE regs if needed.
6532
9aa5c1b2 65332009-01-06 Jan Hubicka <jh@suse.cz>
c95b2534 6534 Kai Tietz <kai.tietz@onevision.com>
9aa5c1b2 6535
435da628
UB		 6536 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6537 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6538 functions when accumulate outgoing args is off.
9aa5c1b2 6539
f7556aae
L		 65402009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6541
6542 PR bootstrap/38742
6543 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6544 before using pseudos_have_intersected_live_ranges_p.
6545
6546 * ira-int.h (ira_assert): Always define.
6547
e47b7d04
L		 65482009-01-06 H.J. Lu <hongjiu.lu@intel.com>
6549
6550 AVX Programming Reference (December, 2008)
6551 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6552 (_mm256_permute2_pd): Likewise.
6553 (_mm_permute2_ps): Likewise.
6554 (_mm256_permute2_ps): Likewise.
6555 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6556 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6557
6558 * config/i386/i386.c (ix86_builtins): Remove
6559 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
6560 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
6561 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
6562 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
6563 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
6564 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
6565 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
6566 __builtin_ia32_vpermil2ps256.
6567 (ix86_init_mmx_sse_builtins): Updated.
6568 (ix86_expand_args_builtin): Likewise.
6569
44b86471
JDA		 65702009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6571
e47b7d04
L		 6572 * pa.c (output_call): Relocate non-jump insns in the delay slot of
6573 long absolute calls when generating PA 2.0 code.
44b86471 6574
311aab06
VM		 65752009-01-05 Vladimir Makarov <vmakarov@redhat.com>
6576
6577 PR rtl-optimization/38583
6578 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
6579
6580 * params.def (ira-max-conflict-table-size): New.
6581
6582 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
6583
6584 * ira.h (ira_conflicts_p): New external definition.
6585
6586 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
6587 table. Report this. Return result of building.
6588 (ira_build_conflicts): Use ira_conflicts_p. Check result of
6589 building conflict table.
6590
301b6a4e 6591 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
311aab06
VM		 6592 (ira_color): Use ira_conflicts_p.
6593
6594 * global.c: Include ira.h.
6595 (pseudo_for_reload_consideration_p, build_insn_chain): Use
6596 ira_conflicts_p.
6597
6598 * Makefile.in (global.o): Add ira.h.
6599
6600 * ira-build.c (mark_all_loops_for_removal,
6601 propagate_some_info_from_allocno): New.
6602 (remove_unnecessary_allocnos): Call
6603 propagate_some_info_from_allocno.
6604 (remove_low_level_allocnos): New.
6605 (remove_unnecessary_regions): Add parameter. Call
6606 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
6607 parameter to remove_unnecessary_regions.
6608 (ira_build): Remove all regions but root if the conflict table was
6609 not built. Update conflict hard regs for allocnos crossing calls.
6610
6611 * ira.c (ira_conflicts_p): New global.
6612 (ira): Define and use ira_conflicts_p.
6613
6614 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6615 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
301b6a4e 6616 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
311aab06 6617
5641785f
BE		 66182009-01-06 Ben Elliston <bje@au.ibm.com>
6619
6620 * gengtype-lex.l (YY_NO_INPUT): Define.
6621
e4e5261f
AP		 66222009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
6623
6624 PR c/34911
5641785f
BE		 6625 * c-common.c (handle_vector_size_attribute): Also reject
6626 BOOLEAN_TYPE types.
e4e5261f 6627
7b10257f
SP		 66282009-01-05 Sebastian Pop <sebastian.pop@amd.com>
6629
6630 PR tree-optimization/38492
6631 * graphite.c (rename_map_elt, debug_rename_elt,
301b6a4e
UB		 6632 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6633 rename_map_elt_info, eq_rename_map_elts,
6634 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7b10257f
SP		 6635 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6636 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6637 (sese_build_livein_liveouts): New.
6638 (new_sese, free_sese): New.
6639 (new_scop): Call new_sese.
6640 (free_scop): Call free_sese.
6641 (rename_variables_from_edge, rename_phis_end_scop): Removed.
6642 (register_old_new_names): Renamed register_old_and_new_names.
6643 (register_scop_liveout_renames, add_loop_exit_phis,
6644 insert_loop_close_phis, struct igp,
6645 default_liveout_before_guard, add_guard_exit_phis,
6646 insert_guard_phis, copy_renames): New.
6647 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6648 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6649 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6650 (scop_adjust_phis_for_liveouts): New.
6651 (gloog): Call scop_adjust_phis_for_liveouts.
6652
6653 * graphite.h (struct sese): Documented. Added fields liveout,
301b6a4e 6654 num_ver and livein.
7b10257f
SP		 6655 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6656 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6657 (struct scop): Added field liveout_renames.
6658 (SCOP_LIVEOUT_RENAMES): New.
6659
9761fcc7
HJ		 66602009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
6661
6662 PR tree-optimization/38510
6663 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6664 (translate_clast): Call recompute_all_dominators before
6665 graphite_verify.
6666 (gloog): Call recompute_all_dominators before graphite_verify.
6667
66682009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
c95b2534 6669 Jan Sjodin <jan.sjodin@amd.com>
9761fcc7
HJ		 6670
6671 PR tree-optimization/38500
6672 * graphite.c (create_sese_edges): Call fix_loop_structure after
6673 splitting blocks.
6674
c95b2534 66752009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
48a01864
JS		 6676
6677 * config.gcc: Add m32r*-*-rtems*.
6678 * config/m32r/rtems.h: New file.
6679
fc0cd180
BE		 66802009-01-05 Ben Elliston <bje@au.ibm.com>
6681
6682 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
6683 (.po.pox): Likewise.
6684 (po/gcc.pot): Likewise.
6685
3106d8e5
DM		 66862009-01-04 David S. Miller <davem@davemloft.net>
6687
6688 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
6689 (STARTING_FRAME_OFFSET): Always set to zero.
6690
0009b473
RS		 66912009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6692
6693 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
6694 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
6695 fixed-point types, and vectors of the same.
6696
4f24c6d6
RS		 66972009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
6698
6699 * config/mips/sync.md (*mb_barrier): Rename to...
6700 (*memory_barrier): ...this.
6701
1df48f5c
JW		 67022009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
6703
6704 * doc/extend.texi (Function Attributes): Move @cindex after @item
eefe5da0 6705 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1df48f5c
JW		 6706 and put in alphabetical order. Fix 'target' name and put in order.
6707 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
6708 typos.
6709
1a8c13b3
UB		 67102009-01-04 Uros Bizjak <ubizjak@gmail.com>
6711
6712 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
6713 (memory_barrier): Expand as unspec instead of unspec_volatile.
6714 Remove mem:BLK from insn operands. Use Pmode scratch register.
6715 (*memory_barrier): Define as unspec instead of unspec_volatile.
6716 Use (match_dup 0) as input operand.
6717
6718 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
6719 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
6720 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
6721 scratch register. Remove operand 1.
6722 (*stbar): Define as unspec instead of unspec_volatile.
6723 Use (match_dup 0) as input operand, remove (const_int 8).
6724 (*membar): Define as unspec instead of unspec_volatile.
6725 Use (match_dup 0) as input operand, remove input operand 2.
6726
6727 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
6728 (memory_barrier): Expand as unspec instead of unspec_volatile.
6729 Remove mem:BLK from insn operands. Use Pmode scratch register.
6730 (*memory_barrier): Define as unspec instead of unspec_volatile.
6731 Use (match_dup 0) as input operand.
6732
6733 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
6734 Remove mem:BLK from insn operands. Use Pmode scratch register.
6735 Set volatile flag on operand 0.
6736 (*memory_barrier): New insn pattern.
6737
6738 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
6739 insn operands.
6740 (*memory_barrier): Use (match_dup 0) as input operand.
6741
6742 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
6743 Remove mem:BLK from insn operands. Use Pmode scratch register.
6744 Set volatile flag on operand 0.
301b6a4e 6745 (*mb_internal): New insn pattern.
1a8c13b3
UB		 6746
6747 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
6748
fb0703f7
SB		 67492009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6750
6751 PR middle-end/38586
6752 * function.c (struct temp_slot): Move to the section of the file
6753 that deals with temp slots. Remove field 'address'.
6754 (temp_slot_address_table): New hash table of address -> temp slot.
6755 (struct temp_slot_address_entry): New struct, items for the table.
6756 (temp_slot_address_compute_hash, temp_slot_address_hash,
6757 temp_slot_address_eq, insert_temp_slot_address): Support functions
6758 for the new table.
6759 (find_temp_slot_from_address): Rewrite to use the new hash table.
6760 (remove_unused_temp_slot_addresses): Remove addresses of temp
6761 slots that have been made available.
6762 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
6763 worker function for remove_unused_temp_slot_addresses.
6764 (assign_stack_temp_for_type): Don't clear the temp slot address list.
6765 Add the temp slot address to the address -> temp slot map.
6766 (update_temp_slot_address): Update via insert_temp_slot_address.
6767 (free_temp_slots): Call remove_unused_temp_slot_addresses.
6768 (pop_temp_slots): Likewise.
6769 (init_temp_slots): Allocate the address -> temp slot map, or empty
6770 the map if it is already allocated.
6771 (prepare_function_start): Initialize temp slot processing.
6772
b5a430f3
SB		 67732009-01-04 Steven Bosscher <steven@gcc.gnu.org>
6774
6775 PR middle-end/38584
6776 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
6777 Calculate the size of all stack vars assuming no packing of stack
6778 vars will happen, replacing a quadratic algorithm with a linear one.
6779
5d560619
JJ		 67802009-01-03 Jakub Jelinek <jakub@redhat.com>
6781
6782 PR target/38707
6783 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
6784 can't be used.
6785
953a7caa
DN		 67862009-01-03 Diego Novillo <dnovillo@google.com>
6787
6788 * doc/contrib.texi: Update contributions.
6789
5f26a230
JJ		 67902009-01-03 Jakub Jelinek <jakub@redhat.com>
6791
493aa551
JJ		 6792 PR c++/38705
6793 * builtins.c (fold_builtin_memory_op): Give up if either operand
6794 is volatile. Set srctype or desttype to non-qualified version
6795 of the other type.
6796
5f26a230
JJ		 6797 PR c/38700
6798 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
6799 and FUNCTION_DECLs.
6800
c95b2534 68012009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
fafe34f9
KZ		 6802
6803 PR rtl-optimization/35805
6804 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
6805 problem if fast dce is able to remove any instructions.
6806 * dce.c (dce_process_block): Fix dump message.
6807
0b355794
MM		 68082009-01-02 Mark Mitchell <mark@codesourcery.com>
6809
6810 PR 33649
6811 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
6812
0cf0d02b
JJ		 68132009-01-02 Jakub Jelinek <jakub@redhat.com>
6814
6815 PR middle-end/38690
6816 * tree-flow.h (op_code_prio, op_prio): New prototypes.
6817 * tree-pretty-print.c (op_code_prio): New function.
6818 (op_prio): No longer static. Use op_code_prio.
6819 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
6820 Use op_prio and op_code_prio to determine if () should be
6821 printed around operand(s) or not.
6822
6823 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
6824 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
6825 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
6826 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
6827 pp_character instead of pp_string for single letter printing.
6828
e3606f3b
RS		 68292009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6830
6831 * doc/extend.texi: Fix '#pragma GCC option' typo.
6832
c95b2534 68332009-01-02 Richard Guenther <rguenther@suse.de>
00f39bd5 6834
a5f061dc
RG		 6835 * doc/install.texi (--enable-checking): Mention different
6836 default for stage1.
6837 (--enable-stage1-checking): Document.
00f39bd5 6838
26de0bcb
AP		 68392009-01-01 Andrew Pinski <pinskia@gmail.com>
6840
6841 PR middle-end/30142
6842 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
6843 case to be an error.
6844
7a7d8fab
BE		 68452009-01-02 Ben Elliston <bje@au.ibm.com>
6846
6847 * config/fp-bit.h (pack_d): Constify argument.
6848 * config/fp-bit.c (makenan): Constify return type. Remove casts.
6849 (isnan): Constify argument.
6850 (isinf): Likewise.
6851 (iszero): Likewise.
6852 (pack_d): Likewise.
6853 (_fpadd_parts): Constify return type.
6854 (_fpmul_parts): Likewise.
6855 (_fpdiv_parts): Likewise.
6856
b295aee2
JJ		 68572009-01-01 Jakub Jelinek <jakub@redhat.com>
6858
6859 PR c/36489
6860 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
6861 warn about overwriting initializer with side-effects or
6862 -Woverride-init if !IMPLICIT.
6863 (output_init_element): Likewise. Pass IMPLICIT down to
6864 add_pending_init.
6865 (process_init_element): Add IMPLICIT argument. Pass it down
6866 to output_init_element.
6867 (push_init_element, pop_init_level, set_designator): Adjust
6868 process_init_element callers.
6869 (set_nonincremental_init, set_nonincremental_init_from_string):
6870 Adjust add_pending_init callers.
6871 (output_pending_init_elements): Adjust output_init_element callers.
6872 * c-tree.h (process_init_element): Adjust prototype.
6873 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
6874 process_init_element callers.
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