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re PR rtl-optimization/39794 (Miscompile with -O2 -funroll-loops)
[gcc.git] / gcc / ChangeLog
CommitLineData
6216f94e
JJ		 12009-04-24 Jakub Jelinek <jakub@redhat.com>
2
3 PR rtl-optimization/39794
4 * alias.c (canon_true_dependence): Add x_addr argument.
5 * rtl.h (canon_true_dependence): Adjust prototype.
6 * cse.c (check_dependence): Adjust canon_true_dependence callers.
7 * cselib.c (cselib_invalidate_mem): Likewise.
8 * gcse.c (compute_transp): Likewise.
9 * dse.c (scan_reads_nospill): Likewise.
10 (record_store, check_mem_read_rtx): Likewise. For non-const-or-frame
11 addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
12 canon_base_addr of the group, plus optional offset.
13 (struct group_info): Rename canon_base_mem to
14 canon_base_addr.
15 (get_group_info): Set canon_base_addr to canon_rtx of base, not
16 canon_rtx of base_mem.
17
6de7a512
PB		 182009-04-23 Paolo Bonzini <bonzini@gnu.org>
19
20 * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
21 Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
22
4a3a2376
UW		 232009-04-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
24
25 * config/spu/spu-builtins.h: Delete file.
26
27 * config/spu/spu.h (enum spu_builtin_type): Move here from
28 spu-builtins.h.
29 (struct spu_builtin_description): Likewise. Add GTY marker.
30 Do not use enum spu_function_code or enum insn_code.
31 (spu_builtins): Add extern declaration.
32
33 * config/spu/spu.c: Do not include "spu-builtins.h".
34 (enum spu_function_code, enum spu_builtin_type_index,
35 V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
36 V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
37 unsigned_V8HI_type_node, unsigned_V4SI_type_node,
38 unsigned_V2DI_type_node): Move here from spu-builtins.h.
39 (spu_builtin_types): Make static. Add GTY marker.
40 (spu_builtins): Add extern declaration with GTY marker.
41 Include "gt-spu.h".
42
43 * config/spu/spu-c.c: Do not include "spu-builtins.h".
44 (spu_resolve_overloaded_builtin): Do not use spu_function_code.
45 Check programmatically whether all parameters are scalar.
46
47 * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
48
bbaba73f
EB		 492009-04-23 Eric Botcazou <ebotcazou@adacore.com>
50
51 * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
52 assignment from the constructor either if the target is volatile.
53
ee93c1c6
DJ		 542009-04-23 Daniel Jacobowitz <dan@codesourcery.com>
55
56 * config/arm/arm.md (insv): Do not share operands[0].
57
b2f21330
NS		 582009-04-23 Nathan Sidwell <nathan@codesourcery.com>
59
60 * config/vxlib-tls.c (active_tls_threads): Delete.
61 (delete_hook_installed): New.
62 (tls_delete_hook): Don't delete the delete hook.
63 (tls_destructor): Delete it here.
64 (__gthread_set_specific): Adjust installing the delete hook.
65 (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
66 __gthread_leave_tsd_dtor_context.
67
4782dfa7
RAE		 682009-04-23 Rafael Avila de Espindola <espindola@google.com>
69
70 * c-format.c (gcc_tdiag_char_table): Add support for %E.
71
bf758008
UB		 722009-04-23 Uros Bizjak <ubizjak@gmail.com>
73
74 * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
75 enum type.
76 (alpha_rtx_costs): Ditto.
77 (emit_unlikely_jump): Use add_reg_note.
78 (emit_frame_store_1): Ditto.
79 (alpha_expand_prologue): Ditto.
80 (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
81 * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
82
7323a100
NC		 832009-04-23 Nick Clifton <nickc@redhat.com>
84
85 * config/v850/v850.md (epilogue): Remove suppressed code.
86 (return): Rename to return_simple and remove test of frame size.
87 * config/v850/v850.c (expand_epilogue): Rename call to gen_return
88 to gen_return_simple.
89
360032ba
JY		 902009-04-22 Jing Yu <jingyu@google.com>
91
92 PR testsuite/39781
93 * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
94
53650abe
AP		 952009-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
96
97 PR C/31499
98 * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
99 and RECORD_TYPE/UNION_TYPE. When outputing the actual element and the
100 value is a VECTOR_CST, the element type is the element type of the
101 vector.
102
89043e8a
DD		 1032009-04-22 DJ Delorie <dj@redhat.com>
104
105 * config/m32c/m32c.h: Update GTY annotations to new syntax.
106
023f059b
JJ		 1072009-04-22 Jakub Jelinek <jakub@redhat.com>
108
109 * alias.c (find_base_term): Move around LO_SUM case, so that
110 CONST falls through into PLUS/MINUS handling.
111
2c0eba5a
JJ		 112 PR c/39855
113 * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
114 into 0, use omit_one_operand.
115
9a461028
BE		 1162009-04-23 Ben Elliston <bje@au.ibm.com>
117
118 * config/rs6000/linux-unwind.h (get_regs): Remove type
119 puns. Change the type of `pc' to an array of unsigned ints and
120 update all users. Constify frame24.
121
653e2568
DD		 1222009-04-22 DJ Delorie <dj@redhat.com>
123
124 * config/m32c/m32c.c (m32c_special_page_vector_p): Move
125 declarations before code.
126 (current_function_special_page_vector): Likewise.
127 (m32c_expand_insv): Silence a warning.
128
d1b38208
TG		 1292009-04-21 Taras Glek <tglek@mozilla.com>
130
131 * alias.c: Update GTY annotations to new syntax.
132 * basic-block.h: Likewise.
133 * bitmap.h: Likewise.
134 * c-common.h: Likewise.
135 * c-decl.c: Likewise.
136 * c-parser.c: Likewise.
137 * c-pragma.c: Likewise.
138 * c-tree.h: Likewise.
139 * cfgloop.h: Likewise.
140 * cgraph.h: Likewise.
141 * config/alpha/alpha.c: Likewise.
142 * config/arm/arm.h: Likewise.
143 * config/avr/avr.h: Likewise.
144 * config/bfin/bfin.c: Likewise.
145 * config/cris/cris.c: Likewise.
146 * config/darwin.c: Likewise.
147 * config/frv/frv.c: Likewise.
148 * config/i386/i386.c: Likewise.
149 * config/i386/i386.h: Likewise.
150 * config/i386/winnt.c: Likewise.
151 * config/ia64/ia64.h: Likewise.
152 * config/iq2000/iq2000.c: Likewise.
153 * config/mips/mips.c: Likewise.
154 * config/mmix/mmix.h: Likewise.
155 * config/pa/pa.c: Likewise.
156 * config/pa/pa.h: Likewise.
157 * config/rs6000/rs6000.c: Likewise.
158 * config/s390/s390.c: Likewise.
159 * config/sparc/sparc.c: Likewise.
160 * config/xtensa/xtensa.c: Likewise.
161 * cselib.h: Likewise.
162 * dbxout.c: Likewise.
163 * dwarf2out.c: Likewise.
164 * except.c: Likewise.
165 * except.h: Likewise.
166 * fixed-value.h: Likewise.
167 * function.c: Likewise.
168 * function.h: Likewise.
169 * gimple.h: Likewise.
170 * integrate.c: Likewise.
171 * optabs.c: Likewise.
172 * output.h: Likewise.
173 * real.h: Likewise.
174 * rtl.h: Likewise.
175 * stringpool.c: Likewise.
176 * tree-data-ref.c: Likewise.
177 * tree-flow.h: Likewise.
178 * tree-scalar-evolution.c: Likewise.
179 * tree-ssa-address.c: Likewise.
180 * tree-ssa-alias.h: Likewise.
181 * tree-ssa-operands.h: Likewise.
182 * tree.c: Likewise.
183 * tree.h: Likewise.
184 * varasm.c: Likewise.
185 * varray.h: Likewise.
186 * vec.h: Likewise.
bf758008 187 * coretypes.h: Do not define GTY macro if it is already defined.
d1b38208
TG		 188 * doc/gty.texi: Update GTY documentation to new syntax.
189 * gengtype-lex.l: Enforce attribute-like syntax for GTY
190 annotations on structs.
191 * gengtype-parse.c: Likewise.
192
a123d175
MH		 1932009-04-22 Mark Heffernan <meheff@google.com>
194
bf758008 195 * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
a123d175 196
4c7c486a
KH		 1972009-04-22 Kazu Hirata <kazu@codesourcery.com>
198
199 * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
200 where appropriate.
201
6e782a29
KH		 2022009-04-22 Kazu Hirata <kazu@codesourcery.com>
203
204 * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
205 the same as a PLUS without a shift. Increase the cost of a
206 CONST_INT in MULT.
207
38d2336a
MLI		 2082009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
209
210 * Makefile.in: Update dependencies.
bf758008 211 * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
38d2336a
MLI		 212 * errors.h: Remove bogus comment about compatibility.
213 (warning): Update declaration.
214 * genautomata.c: Update all calls to warning.
215 * gimple.c: Do not include errors.h. Include toplev.h.
216 * tree-ssa-structalias.c: Do not include errors.h.
217 * omega.c: Likewise.
218 * tree-ssa-reassoc.c: Likewise.
219 * config/spu/spu-c.c: Likewise.
220 * config/spu/t-spu-elf: Update dependencies.
221
aea4deba
RG		 2222009-04-22 Richard Guenther <rguenther@suse.de>
223
224 PR tree-optimization/39824
225 * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
226 make sure the types are compatible.
227
cfc93532
MLI		 2282009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
229
230 PR c++/14875
231 * c-common.c (c_parse_error): Take a token_flags parameter.
232 Use token_type for the token type instead.
233 Pass token_flags to cpp_type2name.
234 * c-common.h (c_parse_error): Update declaration.
235 * c-parser.c (c_parser_error): Pass 0 as token flags.
236
8632d02a
AB		 2372009-04-22 Andrey Belevantsev <abel@ispras.ru>
238
239 PR rtl-optimization/39580
240 * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
241
4c33221c
UW		 2422009-04-22 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
243
244 * function.c (expand_function_end): Do not emit a jump to the "naked"
245 return label for fall-through returns.
246 * except.c (sjlj_emit_function_exit): Always place the call to the
247 unregister function at the location installed by expand_function_end.
248
9925bce0
RG		 2492009-04-22 Richard Guenther <rguenther@suse.de>
250
251 PR tree-optimization/39845
252 * tree-switch-conversion.c (build_arrays): Add new referenced vars.
253 (gen_inbound_check): Likewise.
254
24a40b35
NS		 2552009-04-22 Nathan Sidwell <nathan@codesourcery.com>
256
257 * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
258 padding for PPC.
259 (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
260 * config/vxlib.c (__gthread_once): Add race guard for PPC.
261
6c34a092
PB		 2622009-04-22 Paolo Bonzini <bonzini@gnu.org>
263
264 * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
265 sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
266 shift counts to avoid out-of-bounds array accesses.
267
baa48dfa
PB		 2682009-04-22 Paolo Bonzini <bonzini@gnu.org>
269
270 * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
271 (Pmode): Move above.
272
7d83f4f5
UB		 2732009-04-22 Uros Bizjak <ubizjak@gmail.com>
274
275 * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
276 NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
277 GET_CODE macro. Use IN_RANGE macro where appropriate.
278 * config/alpha/alpha.h: Ditto.
279 * config/alpha/alpha.md: Ditto.
280 * config/alpha/constraints.md: Ditto.
281 * config/alpha/predicates.md: Ditto.
282
3ad606bc
PB		 2832009-04-22 Paolo Bonzini <bonzini@gnu.org>
284
285 * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
286 * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
287 * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
288 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
289 * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
290 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
291 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
292 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
293 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
294 * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
295 * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
296 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
297 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
298 * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
299 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
300 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
301 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
302 * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
303 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
304 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
305 * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
306 * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
307 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
308 * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
309 * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
310 * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
311 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
312
3cabd6d1
LB		 3132009-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
314
315 * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
316 references from comments.
317 * cfgbuild.c: (count_basic_blocks): Delete.
318 (find_basic_blocks_1): Delete.
319 (find_basic_blocks): Delete.
320 * except.c (finish_eh_generation): Make static. Move comment from
7d83f4f5 321 except.h here. Remove find_basic_blocks references from comments.
3cabd6d1
LB		 322 * except.h (finish_eh_generation): Delete.
323 * basic-block.h (find_basic_blocks): Delete.
324 * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
325
270d1bcd
DK		 3262009-04-22 Dave Korn <dave.korn.cygwin@gmail.com>
327
328 * sdbout.c (sdbout_symbol): Pass VOIDmode to eliminate_regs.
329 (sdbout_parms): Likewise.
330
b757d36f
KK		 3312009-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
332
333 * config/sh/sh.c (prepare_cbranch_operands): Use
334 LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
335 (expand_cbranchdi4): Likewise.
336 (from_compare): Add cast to enum type.
337 (expand_cbranchsi4): Use add_reg_note.
338 (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
339 (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
340 (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
341 (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
342 * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
343 instead of CODE_FOR_nothing.
344 (cbranchdi4): Likewise. Fix the order of arguments for
345 gen_rtx_fmt_ee.
346 (push_fpscr): Use add_reg_note.
347 (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
348 reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
349
ad41bd84
JM		 3502009-04-21 Joseph Myers <joseph@codesourcery.com>
351
352 * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
353 ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
354 ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
355 ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
356 ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
357 FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
358 config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
359 config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
360 config/alpha/x-vms, config/arc/t-arc,
361 config/arm/README-interworking, config/arm/arm-c.c,
362 config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
363 config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
364 config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
365 config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
366 config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
367 config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
368 config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
369 config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
370 config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
371 config/cris/t-elfmulti, config/crx/t-crx,
372 config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
373 config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
374 config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
375 config/h8300/t-h8300, config/i386/athlon.md,
376 config/i386/darwin-libgcc.10.4.ver,
377 config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
378 config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
379 config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
380 config/i386/t-linux64, config/i386/t-nwld,
381 config/i386/t-rtems-i386, config/i386/t-sol2-10,
382 config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
383 config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
384 config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
385 config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
386 config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
387 config/iq2000/t-iq2000, config/libgcc-glibc.ver,
388 config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
389 config/m32r/t-m32r, config/m68hc11/t-m68hc11,
390 config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
391 config/m68k/t-uclinux, config/mcore/t-mcore,
392 config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
393 config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
394 config/mips/crtn.asm, config/mips/irix-crti.asm,
395 config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
396 config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
397 config/mips/mips-fixed.md, config/mips/sb1.md,
398 config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
399 config/mips/t-iris6, config/mips/t-isa3264,
400 config/mips/t-libgcc-mips16, config/mips/t-linux64,
401 config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
402 config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
403 config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
404 config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
405 config/mn10300/t-linux, config/mn10300/t-mn10300,
406 config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
407 config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
408 config/picochip/libgccExtras/clzsi2.asm,
409 config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
410 config/rs6000/darwin-libgcc.10.4.ver,
411 config/rs6000/darwin-libgcc.10.5.ver,
412 config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
413 config/rs6000/t-aix43, config/rs6000/t-aix52,
414 config/rs6000/t-darwin, config/rs6000/t-fprules,
415 config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
416 config/rs6000/t-lynx, config/rs6000/t-netbsd,
417 config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
418 config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
419 config/rs6000/t-rtems, config/rs6000/t-spe,
420 config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
421 config/score/t-score-elf, config/sh/divcost-analysis,
422 config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
423 config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
424 config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
425 config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
426 config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
427 config/stormy16/stormy-abi, config/stormy16/t-stormy16,
428 config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
429 config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
430 config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
431 config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
432 config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
433 gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
434 java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
435 limitx.h, version.c, xcoff.h: Add copyright and license notices.
436 * config/h8300/genmova.sh: Include copyright and license notices
437 in generated output.
438 * config/h8300/mova.md: Regenerate.
439 * doc/install.texi2html: Include word "Copyright" in copyright
440 notice and use name "Free Software Foundation, Inc.".
441 * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
442 ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
443 ChangeLog-2007, ChangeLog-2008: Correct dates.
444
ca80e52b
EB		 4452009-04-21 Eric Botcazou <ebotcazou@adacore.com>
446
447 * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
448 NE_EXPR operations as well.
449 * c-parser.c (c_parser_condition): Do not set location information on
450 the condition.
451 (c_parser_conditional_expression): Likewise.
452 (c_parser_binary_expression): Set location information on operators.
453 * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
454 TRUTH_NOT_EXPR has been folded.
455 * fold-const.c (fold_truth_not_expr): Copy location information from
456 the incoming expression to the outgoing one.
457 * gimplify.c (shortcut_cond_r): Add locus parameter. Pass it to
458 recursive calls on the LHS of the operator but pass that of the
459 operator to recursive calls on the RHS of the operator. Set it
460 on the COND_EXPR.
461 (shortcut_cond_expr): Set the locus of the operator on the second
462 COND_EXPR and that of the expression on the first in degenerate cases.
463 Pass the locus of the expression to calls to shortcut_cond_r.
464 Set the locus of the 'then' block on the associated jump, if any.
465 (gimplify_boolean_expr): Add locus parameter. Set it on the COND_EXPR.
466 (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
467 expression to call to gimplify_boolean_expr.
468
35091630
KT		 4692009-04-21 Kai Tietz <kai.tietz@onevision.com>
470
471 * config.gcc: Add additional configuration for
472 i686-w64-mingw* and x86_64-w64-mingw* triplet.
473 * config/i386/mingw-w64.h: New mingw-w64 specific header.
474 (CPP_SPEC): Redefine for allowing -municode option.
475 (STARTFILE_SPEC): Likewise.
476 * config/i386/t-mingw-w64: New.
477 * config/i386/mingw-w64.opt: New.
478 (municode): Add new target option.
479 * doc/invoke.texi (municode): Add documentation for new option.
480
0267afc4
ILT		 4812009-04-21 Ian Lance Taylor <iant@google.com>
482
483 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
484 Correct test for number of arguments.
485 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
486
2ba9daa7
AS		 4872009-04-21 Andreas Schwab <schwab@linux-m68k.org>
488
489 * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
490 argument of emit_library_call.
491
ad8a1ac0
RG		 4922009-04-21 Richard Guenther <rguenther@suse.de>
493
494 PR middle-end/39829
495 * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
496 inside VIEW_CONVERT_EXPRs.
497
7156c8ab
MJ		 4982009-04-21 Martin Jambor <mjambor@suse.cz>
499
500 * tree-switch-conversion.c (build_constructors): Split a long line.
501 (constructor_contains_same_values_p): New function.
7d83f4f5
UB		 502 (build_one_array): Create assigns of constants if possible, do not
503 call mark_sym_for_renaming, call update_stmt.
7156c8ab
MJ		 504 (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
505 make_rename_temp. Do not call mark_symbols_for_renaming, call
506 update_stmt.
507 (gen_def_assigns): Do not call mark_symbols_for_renaming or
508 find_new_referenced_vars, call update_stmt.
509 (gen_inbound_check): Use create_tmp_var and create ssa names manually
510 instead of calling make_rename_temp. Do not call
511 find_new_referenced_vars or mark_symbols_for_renaming, call
512 update_stmt.
513
2970ccb3
RG		 5142009-04-21 Richard Guenther <rguenther@suse.de>
515
516 PR tree-optimization/39827
7d83f4f5 517 * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2970ccb3
RG		 518 (tree_ssa_phiprop): Pass the correct array size.
519
47f402d1
UB		 5202009-04-21 Uros Bizjak <ubizjak@gmail.com>
521
522 * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
523
1e4ae551
MLI		 5242009-04-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
525
526 PR 16202
527 * c-typeck.c (lvalue_p): Move declaration ...
528 * c-common.h (lvalue_p): ... to here.
529 * c-common.c (candidate_equal_p): New.
530 (add_tlist): Use it.
531 (merge_tlist): Use it.
532 (warn_for_collisions_1): Likewise.
533 (warning_candidate_p): Accept more candidates.
534 (verify_tree): A warning candidate can be an expression. Use
535 candidate_equal_p.
536
244609a6
BE		 5372009-04-21 Ben Elliston <bje@au.ibm.com>
538
539 PR target/5267
540 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
541 for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
542 options. Remove -mcall-solaris documentation.
543
9c650d90
MLI		 5442009-04-21 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
545
546 PR c++/13358
547 * doc/invoke.texi (-Wlong-long): Update description.
548 * c-lex (interpret_integer): Only warn if there was no previous
549 overflow and -Wlong-long is enabled.
550 * c-decl.c (declspecs_add_type): Drop redundant flags.
551 * c.opt (Wlong-long): Init to -1.
552 * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
553 and front-end warn_long_long. Wlong-long only depends on other
554 flags if it is uninitialized.
555 * c-parser.c (disable_extension_diagnostics): warn_long_long is
556 the same for CPP and FE.
557 (restore_extension_diagnostics): Likewise.
558
bbbbb16a
ILT		 5592009-04-20 Ian Lance Taylor <iant@google.com>
560
561 Fix enum conversions which are invalid in C++:
47f402d1
UB		 562 * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
563 * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
bbbbb16a
ILT		 564 * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
565 * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
47f402d1 566 * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
bbbbb16a 567 (dbxout_parms): Likewise.
47f402d1 568 * df-core.c (df_set_flags): Change changeable_flags parameter to int.
bbbbb16a
ILT		 569 (df_clear_flags): Likewise.
570 * df-problems.c (df_rd_bb_local_compute_process_def): Change
571 top_flag parameter to int.
572 (df_chain_create_bb_process_use): Likewise.
47f402d1
UB		 573 (df_chain_add_problem): Change chain_flags parameter to unsigned int.
574 Remove cast.
bbbbb16a
ILT		 575 * df-scan.c (df_ref_create): Change ref_flags parameter to int.
576 (df_ref_create_structure, df_def_record_1): Likewise.
577 (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
578 (df_notes_rescan): Change 0 to VOIDmode in function call.
579 (df_get_call_refs, df_insn_refs_collect): Likewise.
580 (df_bb_regs_collect): Likewise.
581 (df_entry_block_defs_collect): Likewise.
582 (df_exit_block_uses_collect): Likewise.
583 * df.h: Update declarations.
584 * double-int.c (double_int_divmod): Add cast to enum type.
585 * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
586 * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
587 (based_loc_descr): Likewise.
588 (loc_descriptor_from_tree_1): Change first_op and second_op to
589 enum dwarf_location_atom. Add cast to enum type.
590 * expmed.c (init_expmed): Change 0 to SET in function call.
47f402d1 591 * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
bbbbb16a
ILT		 592 (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
593 (do_store_flag): Likewise.
594 * fixed-value.h (struct fixed_value): Change mode to enum
595 machine_mode.
47f402d1 596 * function.c (assign_parms): Change 0 to VOIDmode in function call.
bbbbb16a
ILT		 597 * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
598 function call.
599 (insert_insn_decl, insert_decl, insert_state): Likewise.
600 (automata_list_finish): Likewise.
601 * genrecog.c (process_define_predicate): Add cast to enum type.
602 * gensupport.c (init_predicate_table): Add cast to enum type.
603 * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
604 function call.
605 (gimple_build_call_1, gimple_build_label): Likewise.
606 (gimple_build_goto, gimple_build_asm_1): Likewise.
607 (gimple_build_switch_1, gimple_build_cdt): Likewise.
47f402d1 608 * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
bbbbb16a
ILT		 609 (enum fallback): Rename from enum fallback_t.
610 (fallback_t): Typedef as int.
611 * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
612 GSI_SAME_STMT in function call.
613 * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
614 enum type.
615 (setup_reg_class_relations): Likewise.
47f402d1 616 (setup_reg_class_nregs): Change cl to int. Add casts to enum type.
bbbbb16a
ILT		 617 (setup_prohibited_class_mode_regs): Add cast to enum type.
618 (setup_prohibited_mode_move_regs): Likewise.
47f402d1 619 * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
bbbbb16a
ILT		 620 (record_address_regs): Change i to enum reg_class.
621 * lists.c (alloc_EXPR_LIST): Add cast to enum type.
622 * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
623 (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
624 (GET_MODE_2XWIDER_MODE): Likewise.
625 (GET_CLASS_NARROWEST_MODE): Likewise.
626 * omp-low.c (expand_omp_for): Add cast to enum type.
627 * optabs.c (debug_optab_libfuncs): Add casts to enum type.
628 * opts.c (enable_warning_as_error): Change kind to diagostic_t.
629 * postreload.c (reload_cse_simplify_operands): Change rclass local
630 to enum reg_class.
631 * predict.c (combine_predictions_for_insn): Change best_predictor
632 and predictor to enum br_predictor.
633 (combine_predictions_for_bb): Likewise.
634 (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
635 use SET_PREDICT_EXPR_OUTCOME.
47f402d1 636 * real.c (real_arithmetic): Change icode to code in function call.
bbbbb16a
ILT		 637 * reginfo.c (init_move_cost): Add casts to enum type.
638 (init_reg_sets_1, init_fake_stack_mems): Likewise.
639 * regmove.c (regclass_compatible_p): Change class0 and class1 to
640 enum reg_class.
641 * reload.c (find_valid_class): Add casts to enum type.
642 (push_reload): Change 0 to NO_REGS in function call.
643 (find_reloads): Change this_alternative to array of enum
644 reg_class. Remove some now-unnecessary casts.
645 (make_memloc): Change 0 to VOIDmode in function call.
646 * reload1.c (reload): Change 0 to VOIDmode in function call.
647 (eliminate_regs_1, elimination_effects): Likewise.
648 (eliminate_regs_in_insn): Likewise.
649 (emit_input_reload_insns): Add cast to enum type.
650 (delete_output_reload): Change 0 to VOIDmode in function call.
651 * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
652 to enum type in function call.
653 * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
654 (SET_PREDICT_EXPR_OUTCOME): Define.
47f402d1 655 * tree-dump.c (get_dump_file_info): Change phase parameter to int.
bbbbb16a
ILT		 656 (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
657 (dump_initialized_p, dump_flag_name, dump_end): Likewise.
658 (dump_function): Likewise.
659 * tree-dump.h: Update declarations.
660 * tree-pass.h: Update declarations.
661 * varasm.c (assemble_integer): Change mclass to enum mode_class.
662 * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
663 enum type.
664 (arm_rtx_costs_1): Correct parenthesization.
665 (arm_rtx_costs): Add casts to enum type.
666 (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
667 (vfp_emit_fstmd): Use add_rg_note.
668 (emit_multi_reg_push, emit_sfm): Likewise.
669 (thumb_set_frame_pointer): Likewise.
670 (arm_expand_prologue): Likewise.
671 (arm_regno_class): Change return type to enum reg_class.
672 (thumb1_expand_prologue): Use add_reg_note.
673 * config/arm/arm-protos.h (arm_regno_class): Update declaration.
674 * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
675 in function call.
676 * config/arm/gentune.sh: Add cast to enum type.
677 * config/arm/arm-tune.md: Rebuild.
678 * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
679 (ix86_split_fp_branch, predict_jump): Likewise.
680 (ix86_expand_multi_arg_builtin): Change sub_code from enum
681 insn_code to enum rtx_code.
682 (ix86_builtin_vectorized_function): Add cast to enum type.
683 * config/i386/i386.md (truncdfsf2): Change slot to enum
684 ix86_stack_slot.
685 (truncxf<mode>2, isinf<mode>2): Likewise.
686 * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
687 enum type.
688 * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
689 (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
690 (insert_bundle_state): Change 1 to INSERT in function call.
691 (ia64_add_bundle_selector_before): Likewise.
692 * config/ia64/ia64.md (cpu attr): Add cast to enum type.
693 (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
694 (restore_stack_nonlocal): Likewise.
695 * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
696 function call.
697 * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
698 function call.
699 (mips_rtx_costs): Likewise.
700 (mips_override_options): Add casts to enum type.
701 * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
702 in function call.
703 * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
704 (store_reg, set_reg_plus_d): Likewise.
705 (hppa_expand_prologue, hppa_profile_hook): Likewise.
706 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
707 cast to enum type.
708 (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
709 function call.
710 (emit_unlikely_jump): Use add_reg_note.
711 (rs6000_emit_allocate_stack): Likewise.
712 (rs6000_frame_related, rs6000_emit_prologue): Likewise.
713 (output_toc): Change 1 to INSERT in function call.
714 (output_profile_hook): Change 0 to LCT_NORMAL in function call.
715 (rs6000_initialize_trampoline): Likewise.
716 (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
717 function call.
718 * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
719 (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
720 (s390_expand_setmem, s390_expand_cmpmem): Likewise.
721 (save_gprs): Use add_reg_note.
722 (s390_emit_prologue): Likewise.
47f402d1 723 (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
bbbbb16a
ILT		 724 * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
725 (sparc_fold_builtin): Add cast to enum type.
726 * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
727 enum insn_code.
728 (spu_expand_prologue): Use add_reg_note.
47f402d1 729 (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
bbbbb16a
ILT		 730
7312009-04-20 Ian Lance Taylor <iant@google.com>
732
733 * c-parser.c (c_parser_attributes): Change VEC back to tree list.
734 (c_parser_postfix_expression_after_primary): Get VEC for list of
735 arguments. Get original types of arguments. Call
736 build_function_call_vec.
737 (cached_expr_list_1, cached_expr_list_2): New static variables.
738 (c_parser_expr_list): Change return type to VEC *. Add
739 p_orig_types parameter. Change all callers.
740 (c_parser_release_expr): New static function.
741 (c_parser_vec_to_tree_list): New static function.
742 * c-typeck.c (build_function_call): Rewrite to build a VEC and
743 call build_function_call_vec.
744 (build_function_call_vec): New function, based on old
745 build_function_call.
746 (convert_arguments): Remove nargs and argarray parameters. Change
747 values to a VEC. Add origtypes parameter.
47f402d1 748 (build_modify_expr): Add rhs_origtype parameter. Change all callers.
bbbbb16a
ILT		 749 (convert_for_assignment): Add origtype parameter. Change all
750 callers. If warn_cxx_compat, check for conversion to an enum
751 type when calling a function.
752 (store_init_value): Add origtype parameter. Change all callers.
753 (digest_init): Likewise.
754 (struct init_node): Add origtype field.
755 (add_pending_init): Add origtype parameter. Change all callers.
756 (output_init_element): Likewise.
757 (output_pending_init_elements): Pass origtype from init_node to
758 output_init_element.
f28a61ab 759 (process_init_element): Pass origtype from c_expr to
bbbbb16a
ILT		 760 output_init_element.
761 (c_finish_return): Add origtype parameter. Change all callers.
762 * c-common.c (sync_resolve_size): Change params to VEC *. Change
763 caller.
764 (sync_resolve_params): Likewise.
47f402d1 765 (sync_resolve_return): Change params to first_param. Change caller.
bbbbb16a 766 (resolve_overloaded_builtins): Change params to VEC *. Change
47f402d1 767 callers. Save first parameter around call to build_function_call_vec.
bbbbb16a
ILT		 768 * c-decl.c (finish_decl): Add origtype parameter. Change all
769 callers. Call build_function_call_vec rather than
770 build_function_call for cleanup.
771 * c-tree.h: Update declarations.
772 * c-common.h: Update declarations.
773 * stub-objc.c (objc_rewrite_function_call): Change parameter from
774 params to first_param.
775 * target.h (struct gcc_target): Change resolve_overloaded_builtin
776 params parameter from tree to void *.
777 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
778 Change arglist parameter to have type void *, and to be a pointer
779 to a VEC.
780 * config/rs6000/rs6000-protos.h
781 (altivec_resolve_overloaded_builtin): Update declaration.
782 * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
783 fnargs parameter to have type void *, and to be a pointer to a
784 VEC. Call build_function_call_vec instead of
785 build_function_call.
47f402d1 786 * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
bbbbb16a 787
6ff078d4
JY		 7882009-04-20 Joey Ye <joey.ye@intel.com>
789 Xuepeng Guo <xuepeng.guo@intel.com>
790 H.J. Lu <hongjiu.lu@intel.com>
791
792 * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
793
794 * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
795 (IX86_LEA_PRIORITY): Likewise.
796 (distance_non_agu_define): New function.
797 (distance_agu_use): Likewise.
798 (ix86_lea_for_add_ok): Likewise.
799 (ix86_dep_by_shift_count): Likewise.
800
801 * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
802 should split for LEA.
803
804 * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
805 function.
806 (ix86_dep_by_shift_count): Likewise.
807
87a5b4cc
RG		 8082009-04-20 Richard Guenther <rguenther@suse.de>
809
810 * expr.c (handled_component_p): Move ...
811 * tree.h (handled_component_p): ... here.
812 * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
813 ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
814 and REALPART_EXPR to be in one group.
815
438c239d
RG		 8162009-04-20 Richard Guenther <rguenther@suse.de>
817
818 * basic-block.h (get_all_dominated_blocks): Declare.
819 * dominance.c (get_all_dominated_blocks): New function.
820 * tree-cfg.c (get_all_dominated_blocks): Remove.
821 (remove_edge_and_dominated_blocks): Adjust.
822 * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
823 (tree_ssa_phiprop): ... here. Use get_all_dominated_blocks
824 instead of recursing.
825
fed5ae11
DK		 8262009-04-20 Doug Kwan <dougkwan@google.com>
827
828 * cgraph.h (cgraph_node_ptr): New type for vector functions.
829 (struct cgraph_node_set_def): New type.
830 (cgraph_node_set) New type. Also declare vector functions.
831 (struct cgraph_node_set_element_def): New type.
832 (cgraph_node_set_element): Ditto.
833 (cgraph_node_set_iterator): New iterator type.
834 (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
835 cgraph_node_set_remove, dump_cgraph_node_set,
836 debug_cgraph_node_set): New prototypes.
837 (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
838 cgraph_node_set_size): New inlines.
839 * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
840 including cgraph.h.
841 (struct ipa_opt_pass): Add struct cgraph_node_set_def
842 argument to function 'write_summary'.
843 * ipa.c: Include ggc.h.
844 (hash_cgraph_node_set_element,
845 eq_cgraph_node_set_element, cgraph_node_set_new,
846 cgraph_node_set_add, cgraph_node_set_remove,
847 cgraph_node_set_find, dump_cgraph_node_set,
848 debug_cgraph_node_set): New functions.
849 * Makefile.in (ipa.o): Add dependency on GGC_H.
850
c4551b28
IR		 8512009-04-20 Ira Rosen <irar@il.ibm.com>
852
853 PR tree-optimization/39675
2ba9daa7 854 * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
47f402d1
UB		 855 check of the return code of vect_schedule_slp. Check that
856 stmt_vec_info still exists for the statement, before checking its
857 vectorization type.
c4551b28 858
21a495fb
MM		 8592009-04-20 Michael Matz <matz@suse.de>
860
861 * Makefile.in (generated_files): Take out $(simple_generated_c).
862
8e208874
DK		 8632009-04-19 Dave Korn <dave.korn.cygwin@gmail.com>
864
865 * config/i386/cygwin-stdint.h (INTPTR_TYPE): Remove "long".
866 (UINTPTR_TYPE): Likewise.
867
a45e580b
JM		 8682009-04-19 Joseph Myers <joseph@codesourcery.com>
869
870 PR c/37481
871 * c-typeck.c (digest_init): Check for initializing an array with a
872 string literal.
873
20845d35
JM		 8742009-04-19 Joseph Myers <joseph@codesourcery.com>
875
876 PR c/19771
877 * c-semantics.c (pop_stmt_list): Propagate
878 STATEMENT_LIST_HAS_LABEL to parent statement list.
879
28143fdd
AN		 8802009-04-19 Adam Nemet <anemet@caviumnetworks.com>
881
882 * config/mips/mips.h (mips_tune_attr): New macro.
883 * config/mips/mips.md (cpu): Use it.
884
da377db9
JM		 8852009-04-19 Joseph Myers <joseph@codesourcery.com>
886
887 PR c/38243
888 * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
889 declaring a tag.
890
3baf459d
DN		 8912009-04-19 Diego Novillo <dnovillo@google.com>
892
893 * toplev.c (compile_file): Move call to coverage_finish ...
894 * cgraphunit.c (ipa_passes): ... here.
895 Call cgraph_process_new_functions.
896 * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
897 * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
898
b6fa5b01
JH		 8992009-04-19 Jan Hubicka <jh@suse.cz>
900
47f402d1
UB		 901 * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
902 cfun.
b6fa5b01
JH		 903 (dump_cgraph_node): Dump can throw external flag.
904 * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
905
ca409efd
MLI		 9062009-04-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
907
908 PR c/32061
909 PR c++/36954
910 * doc/invoke.texi: Add -Wlogical-op to -Wextra.
911 * common.opt (Wlogical-op): Move from here...
912 * c.opt (Wlogical-op): ... to here.
913 * c-typeck.c (parser_build_binary_op): Update call to
914 warn_logical_operator.
915 * c-opts.c (c_common_post_options): Enable warn_logical_op with
916 extra_warnings.
917 * c-common.c (warn_logical_op): Update.
918 * c-common.h (warn_logical_op): Update declaration.
919
9db4cdd3
EB		 9202009-04-19 Eric Botcazou <ebotcazou@adacore.com>
921
922 * tree.c (protected_set_expr_location): Fix formatting.
923
f37acdf9
JM		 9242009-04-18 Joseph Myers <joseph@codesourcery.com>
925
926 PR c/27676
927 * c-typeck.c (readonly_warning): new.
928 (build_unary_op, build_modify_expr): Use readonly_warning for
929 storing into something readonly but not const-qualified.
930
2b4b7036
JM		 9312009-04-18 Joseph Myers <joseph@codesourcery.com>
932
933 PR c/22367
934 * c-typeck.c (build_unary_op): Check for taking address of
935 expression of type void.
936
3ce62965
JM		 9372009-04-18 Joseph Myers <joseph@codesourcery.com>
938
939 PR c/35210
940 * c-typeck.c (build_function_call): Check for calling a function
941 with qualified void return types. Call require_complete_type when
942 generating a trap.
943
2505c5ed
JH		 9442009-04-18 Jan Hubicka <jh@suse.cz>
945
946 * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
947 Set nothrow flag.
948 * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
949 can_throw_external flag.
950 * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
951 * ipa-pure-const.c (ignore_edge): New function.
952 (propagate): Compute order for NOTHROW computation; set NOTHROWs
953 only over can_throw_external edges.
954 (local_pure_const): Add nothrow flag.
955 * ipa-utils.c (searchc): Add ignore_edge callback.
956 (ipa_utils_reduced_inorder): Add ignore_edge callback.
957 * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
958 (set_nothrow_function_flags): Update cgraph.
959 * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
960
2586ba4b
RG		 9612009-04-18 Richard Guenther <rguenther@suse.de>
962
963 PR middle-end/39804
964 * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
965 (fold_stmt): ... this and ...
966 (fold_stmt_inplace): ... this.
967 (fold_stmt_1): Fold references in calls and asms.
968 * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
969
1eefab17
KH		 9702009-04-18 Kazu Hirata <kazu@codesourcery.com>
971
972 * tree-vrp.c (ssa_name_nonzero_p): Remove.
973 * tree.h: Remove the prototype for ssa_name_nonzero_p.
974
aa424b01
KH		 9752009-04-18 Kazu Hirata <kazu@codesourcery.com>
976
977 * tree.c (function_args_count): Remove.
978 * tree.h: Remove the prototype for function_args_count.
979
613a896b
KH		 9802009-04-18 Kazu Hirata <kazu@codesourcery.com>
981
982 * tree-iterator.c (expr_only): Remove.
983 * tree.h: Remove the prototype for expr_only.
984
579e694c
KH		 9852009-04-18 Kazu Hirata <kazu@codesourcery.com>
986
987 * reginfo.c (cannot_change_mode_set_regs): Remove.
988 * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
989
ee7e3ad3
AS		 9902009-04-08 Anatoly Sokolov <aesok@post.ru>
991
992 * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
993 whether operands 0 and 1 overlaps.
994
92ef7fb1
MLI		 9952009-04-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
996
997 PR middle-end/36902
998 * tree-vrp.c (check_array_ref): Pass a location_t instead of a
999 pointer. Use warning_at instead of warning.
1000 (search_for_addr_array): Likewise.
1001 (check_array_bounds): Likewise.
1002 (check_all_array_refs): Check that the incoming edge is not in the
1003 list of edges to be removed.
1004 (check_all_array_refs): Avoid the temporal pointer.
1005 (vrp_visit_cond_stmt): Fix typo.
1006 (simplify_switch_using_ranges): Handle the case where the switch
1007 index is an integer constant.
1008
0e097268
AN		 10092009-04-18 Adam Nemet <anemet@caviumnetworks.com>
1010
1011 * config/mips/mips.c (mips_final_postscan_insn): Make it static.
1012
c782f1dd
KH		 10132009-04-18 Kazu Hirata <kazu@codesourcery.com>
1014
1015 * doc/extend.texi, doc/invoke.texi: Fix typos.
1016
668fb0e8
CC		 10172009-04-17 Cary Coutant <ccoutant@google.com>
1018
1019 * tree-flow-inline.h (get_lineno): Fix inverted test.
1020
4d4014c1
DN		 10212009-04-17 Diego Novillo <dnovillo@google.com>
1022
1023 * tree-ssa-pre.c (create_expression_by_pieces): Remove
1024 assertion for AVAIL_OUT.
1025
2984e1b6
MF		 10262009-04-17 Mike Frysinger <vapier@gentoo.org>
1027
1028 PR target/38627
1029 * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
1030 * config/sh/linux-atomic.asm: Likewise.
1031
9994a182
DN		 10322009-04-17 Diego Novillo <dnovillo@google.com>
1033
1034 * except.c (debug_eh_tree): New.
1035 (struct eh_region, struct eh_status): Move ...
1036 * except.h: ... here.
1037 (add_type_for_runtime): Declare extern.
1038 (lookup_type_for_runtime): Likewise.
1039 (debug_eh_tree): Declare.
1040 * Makefile.in (GTFILES): List except.h before except.c
1041
07485407
DN		 10422009-04-17 Diego Novillo <dnovillo@google.com>
1043
47f402d1 1044 * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
07485407
DN		 1045 * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
1046 * tree-dfa.c (find_referenced_vars_in): Factor out of ...
1047 (find_vars_r): ... here.
1048 * tree-flow.h (find_referenced_vars_in): Declare.
1049 * tree-ssa-pre.c (create_expression_by_pieces): Assert
1050 that AVAIL_OUT exists for BLOCK.
1051 * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
1052 (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
1053 (tree-parloops.o): Likewise.
1054
4e53d196
SB		 10552009-04-17 Simon Baldwin <simonb@google.com>
1056
1057 * toplev.c (default_tree_printer): Add handling for %E format.
1058
413d3aa8
DN		 10592009-04-17 Diego Novillo <dnovillo@google.com>
1060
47f402d1
UB		 1061 * tree-pretty-print.c (dump_generic_node): Add break after
1062 TREE_BINFO handler. Handle COMPLEX_TYPE, REAL_TYPE and
1063 FIXED_POINT_TYPE. Handle NULL TREE_TYPEs. Handle METHOD_TYPE and
1064 FUNCTION_TYPE together. Call print_struct_decl when printing
1065 structures and TDF_SLIM is not given.
413d3aa8
DN		 1066 (print_struct_decl): Fix logic for detecting recursion.
1067
5a691e98
RAE		 10682009-04-17 Rafael Avila de Espindola <espindola@google.com>
1069
1070 PR 31567
1071 * gcc.c (create_at_file): New.
1072 (compile_input_file_p): New.
1073 (do_spec_1): Use @args files for %i. Use create_at_file for %o.
1074 * main.c (main): Update call to toplev_main.
1075 * toplev.c (toplev_main): Change signature. Call expandargv.
1076 * toplev.h (toplev_main): Change signature.
1077
9eacf7a6
EB		 10782009-04-17 Eric Botcazou <ebotcazou@adacore.com>
1079
1080 * dwarf2out.c (field_byte_offset): Use the type size as the field size
1081 if the latter is not constant.
1082
58298177
DE		 10832009-04-17 David Edelsohn <edelsohn@gnu.org>
1084
1085 * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
1086
5b4c43d7
EB		 10872009-04-17 Eric Botcazou <ebotcazou@adacore.com>
1088
1089 * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
1090 * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
1091
b51605c4
RG		 10922009-04-17 Richard Guenther <rguenther@suse.de>
1093
1094 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1095 Handle component references view-converting an invariant address.
1096
9e3be889
AN		 10972009-04-17 Adam Nemet <anemet@caviumnetworks.com>
1098
1099 * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
1100 TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
1101 TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
1102 TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
1103 Use @deftypevr rather than @deftypevar.
1104
7c3e9dc3
RG		 11052009-04-17 Richard Guenther <rguenther@suse.de>
1106
47f402d1 1107 * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
7c3e9dc3
RG		 1108 (get_prop_source_stmt): Likewise.
1109 (can_propagate_from): Likewise.
1110
aca600aa
AS		 11112009-04-17 Andrew Stubbs <ams@codesourcery.com>
1112
1113 * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
1114 TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
1115 (--with-multilib-list): Add default value.
1116 * configure: Regenerate.
1117 * Makefile.in (TM_ENDIAN_CONFIG): Define.
1118 (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
1119 * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
1120 TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
1121 Don't add default cpu to multilib list unnecessarily, but do enable
1122 the relevant compiler option..
1123 Add support for --with-multilib-list=<blank> and
1124 --with-multilib-list=!<somelib> to supress unwanted multilibs.
1125 * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
1126 (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
1127 (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
1128 TM_MULTILIB_CONFIG.
1129 (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
1130 (MULTILIB_OSDIRNAMES): New variable.
1131 * config/sh/t-1e: Delete file.
1132 * config/sh/t-mlib-sh1: Delete file.
1133 * config/sh/t-mlib-sh2: Delete file.
1134 * config/sh/t-mlib-sh2a: Delete file.
1135 * config/sh/t-mlib-sh2a-nofpu: Delete file.
1136 * config/sh/t-mlib-sh2a-single: Delete file.
1137 * config/sh/t-mlib-sh2a-single-only: Delete file.
1138 * config/sh/t-mlib-sh2e: Delete file.
1139 * config/sh/t-mlib-sh3e: Delete file.
1140 * config/sh/t-mlib-sh4: Delete file.
1141 * config/sh/t-mlib-sh4-nofpu: Delete file.
1142 * config/sh/t-mlib-sh4-single: Delete file.
1143 * config/sh/t-mlib-sh4-single-only: Delete file.
1144 * config/sh/t-mlib-sh4a: Delete file.
1145 * config/sh/t-mlib-sh4a-nofpu: Delete file.
1146 * config/sh/t-mlib-sh4a-single: Delete file.
1147 * config/sh/t-mlib-sh4a-single-only: Delete file.
1148 * config/sh/t-mlib-sh4al: Delete file.
1149 * config/sh/t-mlib-sh5-32media: Delete file.
1150 * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
1151 * config/sh/t-mlib-sh5-64media: Delete file.
1152 * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
1153 * config/sh/t-mlib-sh5-compact: Delete file.
1154 * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
1155 * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
1156 * doc/install.texi (Options specification): Add
1157 --with-multilib-list and --with-endian.
1158
cf8aba7f
RAE		 11592009-04-17 Rafael Avila de Espindola <espindola@google.com>
1160
1161 * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
1162 REVISION_c.
1163 (OBJS-common): Add plugin-version.o.
1164 (plugin-version.o): New.
1165 * gcc-plugin.h (plugin_gcc_version): New.
1166 (plugin_default_version_check): New.
1167 (plugin_init_func, plugin_init): Add version argument.
1168 * plugin-version.c: New.
1169 * plugin.c (str_plugin_gcc_version_name): New.
1170 (try_init_one_plugin): Read plugin_gcc_version from the plugin and
1171 pass it to the init function.
1172 (plugin_default_version_check): New.
1173
61e20b90
RG		 11742009-04-17 Richard Guenther <rguenther@suse.de>
1175
1176 * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
1177 for decl-vs-decl disambiguation.
1178
90c6fd8a
AK		 11792009-04-17 Andreas Krebbel <krebbel1@de.ibm.com>
1180
1181 * config/s390/s390.h (s390_tune_attr): New macro definition.
1182 * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
1183
9fe9fe04
RG		 11842009-04-17 Richard Guenther <rguenther@suse.de>
1185
1186 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
1187 (fold_stmt_r): Likewise.
1188 (maybe_fold_reference): New function.
1189 (fold_gimple_assign): Handle cases fold_stmt_r did.
1190 (fold_stmt): Do not use fold_stmt_r.
1191 (fold_stmt_inplace): Likewise.
1192
7e673273
RG		 11932009-04-17 Richard Guenther <rguenther@suse.de>
1194
1195 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
1196 (record_equivalences_from_stmt): Remove useless checks and
1197 simplifications.
1198 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
1199 the type is already suitable.
1200
fabf2749
PB		 12012009-04-17 Paolo Bonzini <bonzini@gnu.org>
1202
1203 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
1204
68f7b061
UB		 12052009-04-17 Uros Bizjak <ubizjak@gmail.com>
1206
1207 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
1208 (CMPtype): Define as __gcc_CMPtype.
1209
532bfb0a
AJ		 12102009-04-17 Aurelien Jarno <aurelien@aurel32.net>
1211
1212 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
1213 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
1214
e3ac77ff
RG		 12152009-04-17 Richard Guenther <rguenther@suse.de>
1216
1217 PR tree-optimization/39746
1218 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
1219 special-casing for builtins and static variable use/def.
1220 (call_may_clobber_ref_p_1): Likewise.
1221
7072a650
ILT		 12222009-04-16 Ian Lance Taylor <iant@google.com>
1223
1224 * df.h: Include "timevar.h".
1225 (struct df_problem): Change tv_id field to timevar_id_t.
1226 * tree-pass.h: Include "timevar.h".
1227 (struct opt_pass): Change tv_id field to timevar_id_t.
1228 * timevar.h (timevar_id_t): Define TV_NONE.
1229 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
1230 TV_NONE rather than tv_id != 0.
1231 (execute_one_pass): Likewise.
1232 * Makefile.in (DF_H): Add $(TIMEVAR_H).
1233 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
1234 dependencies to $(TREE_PASS_H).
1235 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
1236 to TV_NONE.
1237 (pass_branch_target_load_optimize2): Likewise.
1238 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
1239 (pass_outof_cfg_layout_mode): Likewise.
1240 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
1241 (pass_rebuild_cgraph_edges): Likewise.
1242 (pass_remove_cgraph_callee_edges): Likewise.
1243 * df-core.c (pass_df_initialize_opt): Likewise.
1244 (pass_df_initialize_no_opt): Likewise.
1245 (pass_df_finish): Likewise.
1246 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
1247 * except.c (pass_set_nothrow_function_flags): Likewise.
1248 (pass_convert_to_eh_region_ranges): Likewise.
1249 * final.c (pass_compute_alignments): Likewise.
1250 * function.c (pass_instantiate_virtual_regs): Likewise.
1251 (pass_init_function): Likewise.
1252 (pass_leaf_regs): Likewise.
1253 (pass_match_asm_constraints): Likewise.
1254 * gimple-low.c (pass_lower_cf): Likewise.
1255 (pass_mark_used_blocks): Likewise.
1256 * init-regs.c (pass_initialize_regs): Likewise.
1257 * integrate.c (pass_initial_value_sets): Likewise.
1258 * ira.c (pass_ira): Likewise.
1259 * jump.c (pass_cleanup_barriers): Likewise.
1260 * omp-low.c (pass_expand_omp): Likewise.
1261 (pass_lower_omp): Likewise.
1262 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
1263 * recog.c (pass_split_all_insns): Likewise.
1264 (pass_split_after_reload): Likewise.
1265 (pass_split_before_regstack): Likewise.
1266 (pass_split_before_sched2): Likewise.
1267 (pass_split_for_shorten_branches): Likewise.
1268 * reginfo.c (pass_reginfo_init): Likewise.
1269 (pass_subregs_of_mode_init): Likewise.
1270 (pass_subregs_of_mode_finish): Likewise.
1271 * passes.c (pass_postreload): Likewise.
1272 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
1273 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
1274 (pass_warn_function_return): Likewise.
1275 (pass_warn_function_noreturn): Likewise.
1276 * tree-complex.c (pass_lower_complex): Likewise.
1277 (pass_lower_complex_O0): Likewise.
1278 * tree-if-conv.c (pass_if_conversion): Likewise.
1279 * tree-into-ssa.c (pass_build_ssa): Likewise.
1280 * tree-mudflap.c (pass_mudflap_1): Likewise.
1281 (pass_mudflap_2): Likewise.
1282 * tree-nomudflap.c (pass_mudflap_1): Likewise.
1283 (pass_mudflap_2): Likewise.
1284 * tree-nrv.c (pass_return_slot): Likewise.
1285 * tree-object-size.c (pass_object_sizes): Likewise.
1286 * tree-optimize.c (pass_all_optimizations): Likewise.
1287 (pass_early_local_passes): Likewise.
1288 (pass_all_early_optimizations): Likewise.
1289 (pass_cleanup_cfg): Likewise.
1290 (pass_cleanup_cfg_post_optimizing): Likewise.
1291 (pass_free_datastructures): Likewise.
1292 (pass_free_cfg_annotations): Likewise.
1293 (pass_fixup_cfg): Likewise.
1294 (pass_init_datastructures): Likewise.
1295 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
1296 (pass_late_warn_uninitialized): Likewise.
1297 (pass_update_address_taken): Likewise.
1298 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
1299 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
1300 (pass_cse_sincos): Likewise.
1301 (pass_convert_to_rsqrt): Likewise.
1302 * tree-ssa-structalias.c (pass_build_alias): Likewise.
1303 * tree-stdarg.c (pass_stdarg): Likewise.
1304 * tree-tailcall.c (pass_tail_recursion): Likewise.
1305 (pass_tail_calls): Likewise.
1306 * tree-vect-generic.c (pass_lower_vector): Likewise.
1307 (pass_lower_vector_ssa): Likewise.
1308 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
1309
0051ef59
JM		 13102009-04-16 Joseph Myers <joseph@codesourcery.com>
1311
1312 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
1313 XLR entry.
1314 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
1315 Handle -march=xlr.
1316 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
1317 logical and signext.
1318
b3f8558a
KK		 13192009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
1320
1321 PR target/39767
1322 * config/sh/predicates.md (arith_operand): Check if the operand
1323 of TRUNCATE is a REG.
1324
f57597d9
KH		 13252009-04-16 Kazu Hirata <kazu@codesourcery.com>
1326
1327 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
1328 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
1329
b172d063
KH		 13302009-04-16 Kazu Hirata <kazu@codesourcery.com>
1331
1332 * tree-iterator.c (tsi_split_statement_list_after,
1333 tsi_split_statement_list_before): Remove.
1334 * tree-iterator.h: Remove the prototypes for
532bfb0a 1335 tsi_split_statement_list_after and tsi_split_statement_list_before.
b172d063 1336
78fe4f1f
KH		 13372009-04-16 Kazu Hirata <kazu@codesourcery.com>
1338
1339 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
1340 * tree-ssa-propagate.h: Remove the prototype for
1341 stmt_makes_single_load.
1342
43dd3201
KH		 13432009-04-16 Kazu Hirata <kazu@codesourcery.com>
1344
1345 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
1346 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
1347
4252a4aa
KH		 13482009-04-16 Kazu Hirata <kazu@codesourcery.com>
1349
1350 * tree-iterator.c (EXPR_LAST_BODY): Remove.
1351
bfb69968
KH		 13522009-04-16 Kazu Hirata <kazu@codesourcery.com>
1353
1354 * except.c (eh_region_outer_p): Remove.
1355 * except.h: Remove the prototype for eh_region_outer_p.
1356
c7db7fa5
KH		 13572009-04-16 Kazu Hirata <kazu@codesourcery.com>
1358
1359 * function.c (current_function_assembler_name): Remove.
1360 * function.h: Remove the prototype for
1361 current_function_assembler_name.
1362
efc0b2bd
ILT		 13632009-04-16 Ian Lance Taylor <iant@google.com>
1364
532bfb0a 1365 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
efc0b2bd
ILT		 1366 (add_reg_note): Call alloc_reg_note.
1367 * rtl.h (alloc_reg_note): Declare.
1368 * combine.c (try_combine): Use alloc_reg_note.
1369 (recog_for_combine, move_deaths): Likewise.
1370 (distribute_notes): Use alloc_reg_note and add_reg_note.
1371 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
1372 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
1373 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
1374
6080348f
VM		 13752009-04-16 Vladimir Makarov <vmakarov@redhat.com>
1376
1377 PR rtl-optimization/39762
1378 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
1379 ira_may_move_out_cost): Add comments about way of their usage.
532bfb0a 1380 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
2ba9daa7 1381
6080348f
VM		 1382 * ira-conflicts.c (process_regs_for_copy): Use function
1383 ira_get_register_move_cost instead of global
1384 ira_register_move_cost.
1385
1386 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
1387 color_pass, move_spill_restore, update_curr_costs): Ditto.
1388
1389 * ira-lives.c (process_single_reg_class_operands): Ditto.
1390
1391 * ira-emit.c (emit_move_list): Ditto.
1392
1393 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
1394 (record_reg_classes): Ditto. Use functions
1395 ira_get_register_move_cost and ira_get_may_move_cost instead of
1396 global vars ira_register_move_cost, ira_may_move_out_cost and
1397 ira_may_move_in_cost.
1398 (record_address_regs): Don't call ira_init_register_move_cost.
1399 Use function ira_get_may_move_cost instead of global
1400 ira_may_move_in_cost.
1401 (process_bb_node_for_hard_reg_moves): Use function
532bfb0a 1402 ira_get_register_move_cost instead of global ira_register_move_cost.
6080348f 1403 (ira_costs): Don't call ira_init_register_move_cost.
2ba9daa7 1404
646bea10
RG		 14052009-04-16 Richard Guenther <rguenther@suse.de>
1406
1407 * tree-cfg.c (verify_gimple_assign_binary):
1408 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
1409 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
1410 (create_general_new_stmt): Note that this function is broken.
1411
02e819ff
RAE		 14122009-04-16 Rafael Avila de Espindola <espindola@google.com>
1413
1414 * common.opt (fhelp): Add Var(help_flag).
1415 * gcc-plugin.h (plugin_info): Add help.
1416 * plugin.c (plugin_name_args): Add help.
1417 (register_plugin_info): Set plugin->help.
1418 (print_help_one_plugin): New.
1419 (print_plugins_help): New.
1420 * plugin.h (print_plugins_help): New.
1421 * toplev.c (toplev_main): Call print_plugins_help if needed.
1422
ccacdf06
RG		 14232009-04-16 Richard Guenther <rguenther@suse.de>
1424
1425 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
1426 (gimple_ior_addresses_taken_1): New function.
1427 (gimple_ior_addresses_taken): Likewise.
1428 * gimple.h (struct gimple_statement_with_ops_base): Remove
1429 addresses_taken member.
1430 (gimple_ior_addresses_taken): Declare.
1431 (gimple_addresses_taken, gimple_addresses_taken_ptr,
1432 gimple_set_addresses_taken): Remove.
1433 * ipa-reference.c (mark_address): New function.
1434 (scan_stmt_for_static_refs): Use it for marking addresses taken.
1435 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
1436 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
1437 (gimple_add_to_addresses_taken): Remove.
1438 (get_tmr_operands): Call mark_address_taken.
1439 (get_asm_expr_operands): Likewise.
1440 (get_expr_operands): Likewise.
1441 (build_ssa_operands): Do not clear the addresses_taken bitmap.
1442 (free_stmt_operands): Do not free it.
1443 * tree-ssa.c (delete_tree_ssa): Likewise.
1444 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
1445
346ef3fa
RG		 14462009-04-16 Richard Guenther <rguenther@suse.de>
1447
1448 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
1449 (walk_stmt_load_store_ops): Likewise.
1450 * gimple.c (get_base_loadstore): New function.
1451 (walk_stmt_load_store_addr_ops): Likewise.
1452 (walk_stmt_load_store_ops): Likewise.
1453 * ipa-pure-const.c (check_op): Simplify.
1454 (check_load, check_store): New functions.
1455 (check_stmt): Use walk_stmt_load_store_ops.
1456 * ipa-reference.c (mark_load): Adjust signature.
1457 (mark_store): Likewise.
1458 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
1459
44e9f006
RAE		 14602009-04-16 Rafael Avila de Espindola <espindola@google.com>
1461
1462 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
1463 (plugin_info): New.
1464 * opts.c (common_handle_option): Don't call print_version.
1465 * plugin.c (plugin_name_args): Add version.
1466 (register_plugin_info): New.
1467 (register_callback): Handle PLUGIN_INFO.
1468 (try_init_one_plugin): New.
1469 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
1470 if failed to init.
1471 (finalize_one_plugin): New.
1472 (finalize_plugins): New.
1473 (print_one_plugin): New.
1474 (print_plugins_versions): New.
1475 * plugin.h (print_plugins_versions): New.
1476 (finalize_plugins): New.
1477 * toplev.c (compile_file): Don't call initialize_plugins.
1478 (print_version): Call print_plugins_versions.
1479 (toplev_main): Call initialize_plugins. Print version if needed.
1480 Call finalize_plugins.
1481
41fd0f9b
RAE		 14822009-04-16 Rafael Avila de Espindola <espindola@google.com>
1483
1484 * common.opt (fversion): New.
1485 * gcc.c (print_version): New.
1486 (process_command): Don't print the version. Just set print_version.
1487 (main): Print version. Call subprocesses if print_version and
1488 verbose_flag are set.
1489 * opts.c (common_handle_option): Handle OPT_fversion.
1490
550918ca 14912009-04-16 Richard Guenther <rguenther@suse.de>
532bfb0a 1492 Ira Rosen <irar@il.ibm.com>
550918ca
RG		 1493
1494 PR tree-optimization/39698
1495 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
1496 type of the reduction variable. Only generate the def if
1497 it is needed.
1498
1499 * omp-low.c (expand_omp_for_generic): When converting to a pointer
1500 make sure to first convert to an integer of the same precision.
1501 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
1502 the type of the evolution correctly in computing the new
1503 induction variable base.
1504
54634841
RG		 15052009-04-16 Richard Guenther <rguenther@suse.de>
1506
1507 PR middle-end/39625
1508 * tree-cfg.c (make_blocks): Split statements with to-be
1509 abnormal SSA names on the lhs.
1510
b6fc2cdb
PB		 15112009-04-16 Paolo Bonzini <bonzini@gnu.org>
1512
1513 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
1514 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
1515 * c-typeck.c (really_start_incremental_init): Likewise.
1516 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
1517 (TARGET_INITIALIZER): Remove it.
1518 * target.h (struct target): Remove vector_opaque_p.
1519 * tree.c (build_opaque_vector_type): New.
1520 * tree.h (TYPE_VECTOR_OPAQUE): New.
1521 (build_opaque_vector_type): Declare.
1522 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
1523 * config/rs6000/rs6000.c (build_opaque_vector_type,
1524 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
1525 (rs6000_init_builtins): Use build_opaque_vector_type for
1526 opaque_V4SI_type_node.
1527
a417cdd9
CM		 15282009-04-15 Catherine Moore <clm@codesourcery.com>
1529
532bfb0a
AJ		 1530 * debug.h (set_name): Declare.
1531 * dwarf2out.c (dwarf2out_set_name): Declare.
1532 (dwarf2_debug_hooks): Add set_name.
1533 (find_AT_string): New.
1534 (add_AT_string): Call find_AT_string.
1535 (dwarf2out_set_name): New.
1536 * cp/decl.c (grokdeclarator): Call set_name.
1537 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
1538 * debug.c (do_nothing_debug_hooks): Likewise.
1539 * dbxout.c (dbx_debug_hooks): Likewise.
1540 * sdbout.c (sdb_debug_hooks): Likewise.
a417cdd9 1541
2c5cac98
ME		 15422009-04-15 Michael Eager <eager@eagercon.com>
1543
532bfb0a
AJ		 1544 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
1545 reg for single-precision FPU.
1546 * config/rs6000/rs6000.md (movsi_internal1): Only for
1547 !TARGET_SINGLE_FPU.
1548 (movsi_internal1_single): New. Add pattern to move SI values to/from
2c5cac98
ME		 1549 single-precision FP regs.
1550
ada39f0b
RG		 15512009-04-15 Richard Guenther <rguenther@suse.de>
1552
1553 * omp-low.c (lower_rec_input_clauses): Build correct address
1554 expressions.
1555 (expand_omp_for_generic): Fix multiplication type.
532bfb0a 1556 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
ada39f0b
RG		 1557 (generate_memset_zero): Fix types.
1558 * tree-profile.c (prepare_instrumented_value): Correctly
1559 widen a pointer.
1560
6866c6e8
ILT		 15612009-04-15 Ian Lance Taylor <iant@google.com>
1562
1563 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
1564 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
1565 for -Wall and for -Wc++-compat.
1566 (c_common_post_options): For C++, set warn_enum_compare if not
1567 already set.
1568 * c-tree.h (struct c_expr): Add field original_type.
1569 (build_external_ref): Update declaration.
1570 * c-parser.c (c_parser_braced_init): Set original_type.
1571 (c_parser_initelt): Likewise.
1572 (c_parser_expr_no_commas): Likewise.
1573 (c_parser_conditional_expression): Likewise.
1574 (c_parser_cast_expression): Likewise.
1575 (c_parser_unary_expression): Likewise. Pull setting of
1576 original_code to top of function.
1577 (c_parser_sizeof_expression): Set original_type.
1578 (c_parser_alignof_expression): Likewise.
1579 (c_parser_postfix_expression): Likewise. Pull setting of
1580 original_code to top of function.
532bfb0a 1581 (c_parser_postfix_expression_after_paren_type): Set original_type.
6866c6e8
ILT		 1582 (c_parser_postfix_expression_after_primary): Likewise.
1583 (c_parser_expression): Likewise.
1584 * c-typeck.c (build_external_ref): Add type parameter. Change all
1585 callers.
1586 (c_expr_sizeof_expr): Set original_type field.
1587 (parser_build_unary_op): Likewise.
1588 (parser_build_binary_op): Likewise. Optionally warn about
1589 comparisons of enums of different types.
1590 (digest_init): Set original_type field.
1591 (really_start_incremental_init): Likewise.
1592 (push_init_level, pop_init_level): Likewise.
1593 * doc/invoke.texi (Warning Options): -Wenum-compare now
1594 supported in C.
1595
f116fecf
RG		 15962009-04-15 Richard Guenther <rguenther@suse.de>
1597
1598 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
1599 out a necessary conversion.
1600 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
1601 names we didn't value number.
1602 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
1603
25e20805
RG		 16042009-04-15 Richard Guenther <rguenther@suse.de>
1605
1606 PR tree-optimization/39764
1607 * tree-ssa-ccp.c (get_value): Canonicalize value with
1608 canonicalize_float_value.
1609
90cc3676
JH		 16102009-04-15 Jan Hubicka <jh@suse.cz>
1611
1612 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
1613 Wrong version of patch.
1614
6d14c006
JH		 16152009-04-15 Jan Hubicka <jh@suse.cz>
1616
1617 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
1618
5afaa917
NS		 16192009-04-15 Nathan Sidwell <nathan@codesourcery.com>
1620
1621 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
1622 our distinct integral and vector types.
1623
3b482fca
RAE		 16242009-04-15 Rafael Avila de Espindola <espindola@google.com>
1625
1626 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
1627 * init.c (build_vtbl_address): Remove call to assemble_external.
1628
6cd1d2e2
DJ		 16292009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
1630
1631 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
1632 output for other floating point modes.
1633
dab71827
DN		 16342009-04-14 Diego Novillo <dnovillo@google.com>
1635
1636 * diagnostic.c (diagnostic_report_diagnostic): Do not
1637 warn about loaded plugins for DK_ERROR and DK_WARNING.
1638 * c-decl.c (declspecs_add_type): Move call to
1639 invoke_plugin_callbacks ...
1640 * c-parser.c (c_parser_declspecs): ... here.
1641 * plugin.c (dump_active_plugins): Tidy output.
1642
68a607d8
DN		 16432009-04-14 Diego Novillo <dnovillo@google.com>
1644 Le-Chun Wu <lcwu@google.com>
1645
1646 * configure.ac: Add --enable-plugin support.
1647 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
1648 * Makefile.in (PLUGIN_H): Define.
1649 Export ENABLE_PLUGIN and GMPINC to site.exp.
1650 Add PLUGINLIBS to link command.
1651 Add/modify dependencies for plugin.o and files including plugin.h.
1652 (plugin.o): New.
1653 * config.in: Regenerate.
2ba9daa7 1654
68a607d8
DN		 1655 * opts.c (common_handle_option): Handle OPT_fplugin_ and
1656 OPT_fplugin_arg_.
1657
16582009-04-14 Le-Chun Wu <lcwu@google.com>
1659
1660 * tree-pass.h (register_one_dump_file): Add a prototype for
1661 register_one_dump_file.
1662 * toplev.c (compile_file): Call initialize_plugins.
1663 (do_compile): Call invoke_plugin_callbacks.
1664 (toplev_main): Call invoke_plugin_callbacks.
1665 * common.opt: Add -fplugin= and -fplugin-arg-.
1666 * gcc-plugin.h: New public header file for plugins to include.
1667 * plugin.c: New source file.
1668 * plugin.h: New internal header file.
1669 * passes.c (register_one_dump_file): Make it external.
2ba9daa7 1670
68a607d8
DN		 1671 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
1672
16732009-04-14 Diego Novillo <dnovillo@google.com>
1674
1675 * doc/plugins.texi: New.
1676 * doc/gccint.texi: Add reference to Plugins chapter.
1677 * doc/invoke.texi: Document -fplugin and -fplugin-arg
1678 * diagnostic.c (diagnostic_report_diagnostic): Warn about
1679 loaded plugins, if any.
1680 * timevar.def (TV_PLUGIN_INIT): Define.
1681 (TV_PLUGIN_RUN): Define.
1682 * plugin.c: Include timevar.h
1683 (plugins_active_p): New.
1684 (dump_active_plugins): New.
1685 (debug_active_plugins): New.
1686
50617257
JM		 16872009-04-14 Joseph Myers <joseph@codesourcery.com>
1688
1689 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
1690 library paths.
1691 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
1692
b32f6fff
KH		 16932009-04-14 Kazu Hirata <kazu@codesourcery.com>
1694
1695 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
1696 the same as a minus without a shift.
1697
85d04fa2
NC		 16982009-04-14 Nick Clifton <nickc@redhat.com>
1699
1700 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
1701 comparisons with small integers will always produce a short
1702 branch.
1703
e495a0c8
RAE		 17042009-04-14 Rafael Avila de Espindola <espindola@google.com>
1705
1706 Merge:
e495a0c8
RAE		 1707 2008-12-19 Diego Novillo <dnovillo@google.com>
1708
532bfb0a 1709 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
e495a0c8 1710
ad41bd84 17112009-04-14 Richard Guenther <rguenther@suse.de>
587aa063
RG		 1712
1713 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
1714 verification.
1715 (verify_gimple_assign_binary): Likewise. Handle shifts and
1716 rotates correctly.
1717 (verify_gimple_phi): Print the mismatched argument position.
1718 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1719 Fix types.
1720 (vect_update_init_of_dr): Likewise.
1721 * matrix-reorg.c (transform_access_sites): Do what the
1722 comment suggests.
1723 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
1724
9eca1774
ME		 17252009-04-13 Michael Eager <eager@eagercon.com>
1726
1727 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
1728 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
1729 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
2ba9daa7 1730 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
9eca1774
ME		 1731 remove duplicate config
1732
b0e2d008
DR		 17332009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1734
1735 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
1736 file_name:line_number type locator of the call site.
2ba9daa7 1737
1244a8b7
VM		 17382009-04-13 Vladimir Makarov <vmakarov@redhat.com>
1739
1740 * genautomata.c: Put blank after comma.
1741 (automaton_decls): New.
1742 (struct unit_usage): Add comments to member next.
1743 (store_alt_unit_usage): Keep the list ordered.
1744 (unit_present_on_list_p, equal_alternatives_p): New.
1745 (check_regexp_units_distribution): Check units distribution
1746 correctness correctly.
1747 (main): Don't write automata if error is found. Return correct
1748 exit code.
2ba9daa7 1749
1244a8b7
VM		 1750 * config/m68k/cf.md (cfv4_ds): Remove.
1751 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
1752 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
1753
1754 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
1755 power4-load-ext, power4-store, power4-store-update,
1756 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
1757 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
1758 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
1759 power4-sqrt, power4-isync): Modify reservation to make correct
1760 unit distribution to automata.
1761
1762 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
1763 power5-store-update, power5-two, power5-three, power5-lmul,
1764 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
2ba9daa7 1765
f7dd1864
AN		 17662009-04-13 Adam Nemet <anemet@caviumnetworks.com>
1767
1768 * except.c (pass_set_nothrow_function_flags): Set name and add
1769 TODO_dump_func.
1770 (set_nothrow_function_flags): Mention in the dump file when
1771 changing a function to nothrow.
1772
59a1171f
OS		 17732009-04-13 Ozkan Sezer <sezeroz@gmail.com>
1774
1775 PR/39066
1776 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
1777 instead of unsigned long.
1778
934c2060
RR		 17792009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1780
f7dd1864
AN		 1781 * config/arm/arm.c (return_used_this_function): Remove.
1782 (arm_output_function_prologue): Remove use of
934c2060 1783 return_used_this_function.
f7dd1864 1784 (output_return_instruction): Replace use of
934c2060
RR		 1785 return_used_this_function
1786 by cfun->machine->return_used_this_function.
f7dd1864
AN		 1787 (arm_output_epilogue): Likewise.
1788 (arm_output_function_epilogue): Likewise.
1789 (thumb_unexpanded_epilogue): Likewise.
1790 * config/arm/arm.h (struct machine_function):
934c2060 1791 New member return_used_this_function.
f7dd1864 1792
ae5cc016
MM		 17932009-04-12 Mark Mitchell <mark@codesourcery.com>
1794
1795 * doc/install.texi: Correct description of default directory for
1796 --with-gxx-include-dir.
1797
a0ce68df 17982009-04-12 Eric Botcazou <ebotcazou@adacore.com>
849d624b
EB		 1799
1800 * fold-const.c (build_range_check): Properly deal with enumeral and
1801 boolean base types.
1802
3906a4a1
SB		 18032009-04-12 Steven Bosscher <steven@gcc.gnu.org>
1804
1805 * doc/invoke.texi (max_gcse_passes): Remove documentation.
1806 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
1807 * params.h (MAX_GCSE_PASSES): Remove.
1808 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
1809 in sequence. Remove ability to run multiple passes.
1810 (bypass_jumps): Report run as third CPROP pass.
1811
efaadb93
AN		 18122009-04-12 Adam Nemet <anemet@caviumnetworks.com>
1813
1814 PR middle-end/39651
1815 * except.c (can_throw_external): Look at each insn in a SEQUENCE
1816 when deciding whether the whole SEQUENCE can throw.
1817
4c48007b
UB		 18182009-04-12 Uros Bizjak <ubizjak@gmail.com>
1819
1820 PR target/39740
1821 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
1822 offseted label references.
1823
b4104018
JH		 18242009-04-11 Jan Hubicka <jh@suse.cz>
1825
1826 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
1827
32848948
RG		 18282009-04-11 Richard Guenther <rguenther@suse.de>
1829
1830 PR middle-end/39732
1831 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
1832 return variables as TREE_ADDRESSABLE.
1833
8810712e
RG		 18342009-04-11 Richard Guenther <rguenther@suse.de>
1835
1836 PR tree-optimization/39713
1837 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
1838 reference trees have SSA_NAME operands.
1839
fa78c0c1
RG		 18402009-04-11 Richard Guenther <rguenther@suse.de>
1841
1842 PR c/39712
1843 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
1844 address expressions.
1845
4d722130
DK		 18462009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
1847
1848 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
1849 match changes in Cygwin 1.7
1850 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
1851 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
1852
567a90f5
PB		 18532009-04-10 Paolo Bonzini <bonzini@gnu.org>
1854
1855 PR tree-optimization/39701
1856 * doc/invoke.texi (Optimization Options): Document change in
1857 meaning and initialization of -fdelete-null-pointer-checks.
1858
1ad2f450
L		 18592009-04-10 H.J. Lu <hongjiu.lu@intel.com>
1860
1861 PR middle-end/39701
1862 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
1863
1864 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
1865 here.
1866
1867 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
1868
1afc5373
CF		 18692009-04-10 Chao-ying Fu <fu@mips.com>
1870
1871 * doc/tm.texi (Instruction Output): Document
1872 TARGET_ASM_FINAL_POSTSCAN_INSN.
1873 * target.h (final_postscan_insn): New field in asm_out.
1874 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
1875 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
1876 * final.c (final_scan_insn): Call
1877 targetm.asm_out.final_postscan_insn after outputting
1878 an asm macro and a normal instruction.
1879
1880 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
1881 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
1882 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
1883 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
1884 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
1885
4d35e75c
PB		 18862009-04-10 Paolo Bonzini <bonzini@gnu.org>
1887
1888 PR middle-end/39701
1ad2f450
L		 1889 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
1890 variables as non-NULL even with -fdelete-null-pointer-checks.
4d35e75c 1891
62c49b83
L		 18922009-04-10 H.J. Lu <hongjiu.lu@intel.com>
1893
1894 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
1895
80558628
L		 18962009-04-09 H.J. Lu <hongjiu.lu@intel.com>
1897
1898 PR target/39678
1899 * config/i386/i386.c (classify_argument): Handle SCmode with
1900 (bit_offset % 64) != 0.
1901
8c70d28b
SL		 19022009-04-09 Sandra Loosemore <sandra@codesourcery.com>
1903
1904 * doc/invoke.texi (Optimize Options): Add cross-reference to
1905 -Q --help=optimizers examples.
1906
e1ff19bf
BE		 19072009-04-10 Ben Elliston <bje@au.ibm.com>
1908
1909 PR target/36800
1910 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
1911 regalign for the reg == fpr and TDmode case.
1912
52daca75
DA		 19132009-04-09 David Ayers <ayers@fsfe.org>
1914
1915 PR objc/29200
1916 * objc/objc-act.c (warn_with_method): Remove helper function.
1917 (check_duplicates): Call warning and inform directly.
1918 (really_start_method): Likewise.
1919
b45f0e58
PB		 19202009-04-09 Paolo Bonzini <bonzini@gnu.org>
1921
1922 * expmed.c (expand_divmod): Always use a comparison for a division
1923 by a large unsigned integer.
1924
1ad2f450
L		 1925 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
1926 for things others than variables or functions as nonzero.
b45f0e58 1927
748086b7
JJ		 19282009-04-09 Nick Clifton <nickc@redhat.com>
1929
1930 * unwind-compat.c: Change copyright header to refer to version
1931 3 of the GNU General Public License with version 3.1 of the
1932 GCC Runtime Library Exception and to point readers at the
7a715bba 1933 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
748086b7
JJ		 1934 * config/alpha/crtfastmath.c: Likewise.
1935 * config/alpha/linux-unwind.h: Likewise.
1936 * config/alpha/qrnnd.asm: Likewise.
1937 * config/alpha/vms-crt0-64.c: Likewise.
1938 * config/alpha/vms-crt0.c: Likewise.
1939 * config/alpha/vms-dwarf2.asm: Likewise.
1940 * config/alpha/vms-dwarf2eh.asm: Likewise.
1941 * config/alpha/vms-psxcrt0-64.c: Likewise.
1942 * config/alpha/vms-psxcrt0.c: Likewise.
1943 * config/alpha/vms_tramp.asm: Likewise.
1944 * config/arc/initfini.c: Likewise.
1945 * config/arc/lib1funcs.asm: Likewise.
1946 * config/arm/bpabi-v6m.S: Likewise.
1947 * config/arm/bpabi.S: Likewise.
1948 * config/arm/bpabi.c: Likewise.
1949 * config/arm/crti.asm: Likewise.
1950 * config/arm/crtn.asm: Likewise.
1951 * config/arm/ieee754-df.S: Likewise.
1952 * config/arm/ieee754-sf.S: Likewise.
1953 * config/arm/lib1funcs.asm: Likewise.
1954 * config/arm/libunwind.S: Likewise.
1955 * config/arm/linux-atomic.c: Likewise.
1956 * config/arm/mmintrin.h: Likewise.
1957 * config/arm/pr-support.c: Likewise.
1958 * config/arm/unaligned-funcs.c: Likewise.
1959 * config/arm/unwind-arm.c: Likewise.
1960 * config/arm/unwind-arm.h: Likewise.
1961 * config/avr/libgcc.S: Likewise.
1962 * config/bfin/crti.s: Likewise.
1963 * config/bfin/crtlibid.s: Likewise.
1964 * config/bfin/crtn.s: Likewise.
1965 * config/bfin/lib1funcs.asm: Likewise.
1966 * config/bfin/linux-unwind.h: Likewise.
1967 * config/cris/arit.c: Likewise.
1968 * config/cris/cris_abi_symbol.c: Likewise.
1969 * config/darwin-64.c: Likewise.
1970 * config/darwin-crt2.c: Likewise.
1971 * config/darwin-crt3.c: Likewise.
1972 * config/darwin.h: Likewise.
1973 * config/dbxelf.h: Likewise.
1974 * config/dfp-bit.c: Likewise.
1975 * config/dfp-bit.h: Likewise.
1976 * config/elfos.h: Likewise.
1977 * config/fixed-bit.c: Likewise.
1978 * config/fixed-bit.h: Likewise.
1979 * config/fp-bit.c: Likewise.
1980 * config/fp-bit.h: Likewise.
1981 * config/fr30/crti.asm: Likewise.
1982 * config/fr30/crtn.asm: Likewise.
1983 * config/fr30/lib1funcs.asm: Likewise.
1984 * config/freebsd-spec.h: Likewise.
1985 * config/frv/cmovd.c: Likewise.
1986 * config/frv/cmovh.c: Likewise.
1987 * config/frv/cmovw.c: Likewise.
1988 * config/frv/frvbegin.c: Likewise.
1989 * config/frv/frvend.c: Likewise.
1990 * config/frv/lib1funcs.asm: Likewise.
1991 * config/glibc-stdint.h: Likewise.
1992 * config/h8300/clzhi2.c: Likewise.
1993 * config/h8300/crti.asm: Likewise.
1994 * config/h8300/crtn.asm: Likewise.
1995 * config/h8300/ctzhi2.c: Likewise.
1996 * config/h8300/fixunssfsi.c: Likewise.
1997 * config/h8300/lib1funcs.asm: Likewise.
1998 * config/h8300/parityhi2.c: Likewise.
1999 * config/h8300/popcounthi2.c: Likewise.
2000 * config/i386/ammintrin.h: Likewise.
2001 * config/i386/att.h: Likewise.
2002 * config/i386/avxintrin.h: Likewise.
2003 * config/i386/biarch64.h: Likewise.
2004 * config/i386/bmmintrin.h: Likewise.
2005 * config/i386/cpuid.h: Likewise.
2006 * config/i386/cross-stdarg.h: Likewise.
2007 * config/i386/crtfastmath.c: Likewise.
2008 * config/i386/crtprec.c: Likewise.
2009 * config/i386/cygming-crtbegin.c: Likewise.
2010 * config/i386/cygming-crtend.c: Likewise.
2011 * config/i386/cygwin.asm: Likewise.
2012 * config/i386/emmintrin.h: Likewise.
2013 * config/i386/gmm_malloc.h: Likewise.
2014 * config/i386/gthr-win32.c: Likewise.
2015 * config/i386/i386.h: Likewise.
2016 * config/i386/immintrin.h: Likewise.
2017 * config/i386/linux-unwind.h: Likewise.
2018 * config/i386/linux64.h: Likewise.
2019 * config/i386/mm3dnow.h: Likewise.
2020 * config/i386/mmintrin-common.h: Likewise.
2021 * config/i386/mmintrin.h: Likewise.
2022 * config/i386/nmmintrin.h: Likewise.
2023 * config/i386/pmm_malloc.h: Likewise.
2024 * config/i386/pmmintrin.h: Likewise.
2025 * config/i386/smmintrin.h: Likewise.
2026 * config/i386/sol2-c1.asm: Likewise.
2027 * config/i386/sol2-ci.asm: Likewise.
2028 * config/i386/sol2-cn.asm: Likewise.
2029 * config/i386/sol2-gc1.asm: Likewise.
2030 * config/i386/tmmintrin.h: Likewise.
2031 * config/i386/unix.h: Likewise.
2032 * config/i386/w32-unwind.h: Likewise.
2033 * config/i386/wmmintrin.h: Likewise.
2034 * config/i386/x86-64.h: Likewise.
2035 * config/i386/x86intrin.h: Likewise.
2036 * config/i386/xmmintrin.h: Likewise.
2037 * config/ia64/crtbegin.asm: Likewise.
2038 * config/ia64/crtend.asm: Likewise.
2039 * config/ia64/crtfastmath.c: Likewise.
2040 * config/ia64/crti.asm: Likewise.
2041 * config/ia64/crtn.asm: Likewise.
2042 * config/ia64/fde-glibc.c: Likewise.
2043 * config/ia64/lib1funcs.asm: Likewise.
2044 * config/ia64/linux-unwind.h: Likewise.
2045 * config/ia64/quadlib.c: Likewise.
2046 * config/ia64/unwind-ia64.c: Likewise.
2047 * config/linux.h: Likewise.
2048 * config/m32c/m32c-lib1.S: Likewise.
2049 * config/m32c/m32c-lib2-trapv.c: Likewise.
2050 * config/m32c/m32c-lib2.c: Likewise.
2051 * config/m32r/initfini.c: Likewise.
2052 * config/m68hc11/larith.asm: Likewise.
2053 * config/m68hc11/m68hc11-crt0.S: Likewise.
2054 * config/m68k/cf.md: Likewise.
2055 * config/m68k/crti.s: Likewise.
2056 * config/m68k/crtn.s: Likewise.
2057 * config/m68k/lb1sf68.asm: Likewise.
2058 * config/m68k/linux-unwind.h: Likewise.
2059 * config/mcore/crti.asm: Likewise.
2060 * config/mcore/crtn.asm: Likewise.
2061 * config/mcore/lib1.asm: Likewise.
2062 * config/mips/linux-unwind.h: Likewise.
2063 * config/mips/loongson.h: Likewise.
2064 * config/mips/mips16.S: Likewise.
2065 * config/mmix/crti.asm: Likewise.
2066 * config/mmix/crtn.asm: Likewise.
2067 * config/pa/fptr.c: Likewise.
2068 * config/pa/hpux-unwind.h: Likewise.
2069 * config/pa/lib2funcs.asm: Likewise.
2070 * config/pa/linux-atomic.c: Likewise.
2071 * config/pa/linux-unwind.h: Likewise.
2072 * config/pa/milli64.S: Likewise.
2073 * config/pa/quadlib.c: Likewise.
2074 * config/pa/stublib.c: Likewise.
2075 * config/picochip/libgccExtras/adddi3.asm: Likewise.
2076 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
2077 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
2078 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
2079 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
2080 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
2081 * config/picochip/libgccExtras/divmod15.asm: Likewise.
2082 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
2083 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
2084 * config/picochip/libgccExtras/longjmp.asm: Likewise.
2085 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
2086 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
2087 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
2088 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
2089 * config/picochip/libgccExtras/setjmp.asm: Likewise.
2090 * config/picochip/libgccExtras/subdi3.asm: Likewise.
2091 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
2092 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
2093 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
2094 * config/rs6000/750cl.h: Likewise.
2095 * config/rs6000/altivec.h: Likewise.
2096 * config/rs6000/biarch64.h: Likewise.
2097 * config/rs6000/crtresfpr.asm: Likewise.
2098 * config/rs6000/crtresgpr.asm: Likewise.
2099 * config/rs6000/crtresxfpr.asm: Likewise.
2100 * config/rs6000/crtresxgpr.asm: Likewise.
2101 * config/rs6000/crtsavfpr.asm: Likewise.
2102 * config/rs6000/crtsavgpr.asm: Likewise.
2103 * config/rs6000/darwin-asm.h: Likewise.
2104 * config/rs6000/darwin-fallback.c: Likewise.
2105 * config/rs6000/darwin-fpsave.asm: Likewise.
2106 * config/rs6000/darwin-ldouble.c: Likewise.
2107 * config/rs6000/darwin-tramp.asm: Likewise.
2108 * config/rs6000/darwin-unwind.h: Likewise.
2109 * config/rs6000/darwin-vecsave.asm: Likewise.
2110 * config/rs6000/darwin-world.asm: Likewise.
2111 * config/rs6000/e500crtres32gpr.asm: Likewise.
2112 * config/rs6000/e500crtres64gpr.asm: Likewise.
2113 * config/rs6000/e500crtres64gprctr.asm: Likewise.
2114 * config/rs6000/e500crtrest32gpr.asm: Likewise.
2115 * config/rs6000/e500crtrest64gpr.asm: Likewise.
2116 * config/rs6000/e500crtresx32gpr.asm: Likewise.
2117 * config/rs6000/e500crtresx64gpr.asm: Likewise.
2118 * config/rs6000/e500crtsav32gpr.asm: Likewise.
2119 * config/rs6000/e500crtsav64gpr.asm: Likewise.
2120 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
2121 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
2122 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
2123 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
2124 * config/rs6000/eabi-ci.asm: Likewise.
2125 * config/rs6000/eabi-cn.asm: Likewise.
2126 * config/rs6000/eabi.asm: Likewise.
2127 * config/rs6000/linux-unwind.h: Likewise.
2128 * config/rs6000/linux64.h: Likewise.
2129 * config/rs6000/paired.h: Likewise.
2130 * config/rs6000/paired.md: Likewise.
2131 * config/rs6000/ppc64-fp.c: Likewise.
2132 * config/rs6000/ppu_intrinsics.h: Likewise.
2133 * config/rs6000/rs6000.h: Likewise.
2134 * config/rs6000/si2vmx.h: Likewise.
2135 * config/rs6000/sol-ci.asm: Likewise.
2136 * config/rs6000/sol-cn.asm: Likewise.
2137 * config/rs6000/spe.h: Likewise.
2138 * config/rs6000/spu2vmx.h: Likewise.
2139 * config/rs6000/sysv4.h: Likewise.
2140 * config/rs6000/tramp.asm: Likewise.
2141 * config/rs6000/vec_types.h: Likewise.
2142 * config/s390/linux-unwind.h: Likewise.
2143 * config/s390/tpf-unwind.h: Likewise.
2144 * config/score/crti.asm: Likewise.
2145 * config/score/crtn.asm: Likewise.
2146 * config/sh/crt1.asm: Likewise.
2147 * config/sh/crti.asm: Likewise.
2148 * config/sh/crtn.asm: Likewise.
2149 * config/sh/divtab-sh4-300.c: Likewise.
2150 * config/sh/divtab-sh4.c: Likewise.
2151 * config/sh/divtab.c: Likewise.
2152 * config/sh/lib1funcs-4-300.asm: Likewise.
2153 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
2154 * config/sh/lib1funcs.asm: Likewise.
2155 * config/sh/lib1funcs.h: Likewise.
2156 * config/sh/linux-atomic.asm: Likewise.
2157 * config/sh/linux-unwind.h: Likewise.
2158 * config/sh/shmedia.h: Likewise.
2159 * config/sh/sshmedia.h: Likewise.
2160 * config/sh/ushmedia.h: Likewise.
2161 * config/sparc/crtfastmath.c: Likewise.
2162 * config/sparc/linux-unwind.h: Likewise.
2163 * config/sparc/sol2-c1.asm: Likewise.
2164 * config/sparc/sol2-ci.asm: Likewise.
2165 * config/sparc/sol2-cn.asm: Likewise.
2166 * config/spu/divmodti4.c: Likewise.
2167 * config/spu/divv2df3.c: Likewise.
2168 * config/spu/float_disf.c: Likewise.
2169 * config/spu/float_unsdidf.c: Likewise.
2170 * config/spu/float_unsdisf.c: Likewise.
2171 * config/spu/float_unssidf.c: Likewise.
2172 * config/spu/mfc_multi_tag_release.c: Likewise.
2173 * config/spu/mfc_multi_tag_reserve.c: Likewise.
2174 * config/spu/mfc_tag_release.c: Likewise.
2175 * config/spu/mfc_tag_reserve.c: Likewise.
2176 * config/spu/mfc_tag_table.c: Likewise.
2177 * config/spu/multi3.c: Likewise.
2178 * config/spu/spu_internals.h: Likewise.
2179 * config/spu/spu_intrinsics.h: Likewise.
2180 * config/spu/spu_mfcio.h: Likewise.
2181 * config/spu/vec_types.h: Likewise.
2182 * config/spu/vmx2spu.h: Likewise.
2183 * config/stormy16/stormy16-lib2.c: Likewise.
2184 * config/svr4.h: Likewise.
2185 * config/sync.c: Likewise.
2186 * config/v850/lib1funcs.asm: Likewise.
2187 * config/vxlib-tls.c: Likewise.
2188 * config/vxlib.c: Likewise.
2189 * config/vxworks-dummy.h: Likewise.
2190 * config/xtensa/crti.asm: Likewise.
2191 * config/xtensa/crtn.asm: Likewise.
2192 * config/xtensa/ieee754-df.S: Likewise.
2193 * config/xtensa/ieee754-sf.S: Likewise.
2194 * config/xtensa/lib1funcs.asm: Likewise.
2195 * config/xtensa/lib2funcs.S: Likewise.
2196 * config/xtensa/linux-unwind.h: Likewise.
2197 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
2198 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
2199 * coretypes.h: Likewise.
2200 * crtstuff.c: Likewise.
2201 * defaults.h: Likewise.
2202 * dwarf2.h: Likewise.
2203 * emutls.c: Likewise.
2204 * gbl-ctors.h: Likewise.
2205 * gcov-io.h: Likewise.
2206 * ginclude/float.h: Likewise.
2207 * ginclude/iso646.h: Likewise.
2208 * ginclude/stdarg.h: Likewise.
2209 * ginclude/stdbool.h: Likewise.
2210 * ginclude/stddef.h: Likewise.
2211 * ginclude/stdfix.h: Likewise.
2212 * ginclude/stdint-gcc.h: Likewise.
2213 * ginclude/tgmath.h: Likewise.
2214 * gthr-aix.h: Likewise.
2215 * gthr-dce.h: Likewise.
2216 * gthr-gnat.c: Likewise.
2217 * gthr-gnat.h: Likewise.
2218 * gthr-lynx.h: Likewise.
2219 * gthr-mipssde.h: Likewise.
2220 * gthr-nks.h: Likewise.
2221 * gthr-posix.c: Likewise.
2222 * gthr-posix.h: Likewise.
2223 * gthr-posix95.h: Likewise.
2224 * gthr-rtems.h: Likewise.
2225 * gthr-single.h: Likewise.
2226 * gthr-solaris.h: Likewise.
2227 * gthr-tpf.h: Likewise.
2228 * gthr-vxworks.h: Likewise.
2229 * gthr-win32.h: Likewise.
2230 * gthr.h: Likewise.
2231 * libgcc2.c: Likewise.
2232 * libgcc2.h: Likewise.
2233 * libgcov.c: Likewise.
2234 * tsystem.h: Likewise.
2235 * typeclass.h: Likewise.
2236 * unwind-c.c: Likewise.
2237 * unwind-compat.h: Likewise.
2238 * unwind-dw2-fde-compat.c: Likewise.
2239 * unwind-dw2-fde-darwin.c: Likewise.
2240 * unwind-dw2-fde-glibc.c: Likewise.
2241 * unwind-dw2-fde.c: Likewise.
2242 * unwind-dw2-fde.h: Likewise.
2243 * unwind-dw2.c: Likewise.
2244 * unwind-dw2.h: Likewise.
2245 * unwind-generic.h: Likewise.
2246 * unwind-pe.h: Likewise.
2247 * unwind-sjlj.c: Likewise.
2248 * unwind.inc: Likewise.
2249 * config/arm/neon-gen.ml: Change generated copyright header to
2250 refer to version 3 of the GNU General Public License with
2251 version 3.1 of the GCC Runtime Library Exception and to point
2252 readers at the COPYING3 and COPYING3.RUNTIME files and the
2253 FSF's license web page.
2254 * config/arm/arm_neon.h: Regenerate.
2255
22562009-04-09 Jakub Jelinek <jakub@redhat.com>
2257
2258 * config/cris/cris.md: Change copyright header to refer to version
2259 3 of the GNU General Public License.
2260 * doc/install.texi2html: Change copyright header to refer to version
2261 3 of the GNU General Public License and to point readers at the
2262 COPYING3 file and the FSF's license web page.
2263 * config/vax/linux.h: Likewise.
2264
4a77c72b
PB		 22652009-04-09 Paolo Bonzini <bonzini@gnu.org>
2266
1ad2f450
L		 2267 * config/i386/i386.md (cmpcc): New.
2268 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
2269 (sync_compare_and_swap_cc*): Delete.
2270
2271 * config/s390/s390.c (s390_compare_emitted): Remove.
2272 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
2273 s390_compare_emitted used to be handled. Assert that modes match.
2274 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
2275 refer to sync_compare_and_swap_ccsi.
2276 * config/s390/s390.h (s390_compare_emitted): Remove.
2277 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
2278 instead of s390_compare_emitted.
2279 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
2280 instead of s390_compare_emitted.
2281 * config/s390/s390.md (cmpcc): New.
2282 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
2283 CC_REGNUM, do not pretend it's set.
2284 (sync_compare_and_swap_cc*): Delete.
2285 * config/s390/predicates.md (cc_reg_operand): New.
2286
2287 * expr.c (sync_compare_and_swap_cc): Delete.
2288 * optabs.h (sync_compare_and_swap_cc): Delete.
2289 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
2290 is being used with can_compare_p.
2291 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
2292 (find_cc_set): New.
2293 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
2294 look for a MODE_CC set instead. Use emit_store_flag.
2295 (expand_compare_and_swap_loop): Likewise, with some additional
2296 complication to avoid a force_reg when useless. Use
2297 emit_cmp_and_jump_insns.
2298 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
2299 * doc/md.texi (sync_compare_and_swap_cc): Merge with
2300 sync_compare_and_swap documentation.
4a77c72b 2301
0c0efb33
JH		 23022009-04-09 Jan Hubicka <jh@suse.cz>
2303
2304 * except.c (find_prev_try): Break out from ....
2305 (duplicate_eh_regions): ... here; properly update prev_try pointers
2306 when duplication part of tree.
2307 (dump_eh_tree): Improve dumping.
2308 (verify_eh_region): New.
2309 (verify_eh_tree): Use it.
2310
22a65a54
RG		 23112009-04-06 Richard Guenther <rguenther@suse.de>
2312
2313 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
2314 &ARRAY addresses by adjusting their types and prepending
2315 a conversion.
2316 * tree-cfg.c (verify_gimple_assign_single): Verify that
2317 addresses are correct.
2318
f76968e6
RG		 23192009-04-09 Richard Guenther <rguenther@suse.de>
2320
2321 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
2322 indices into an array reference if possible.
2323 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2324 Fold POINTER_PLUS_EXPR statements with invariant address.
2325
c90c5fb5
AM		 23262009-04-09 Alan Modra <amodra@bigpond.net.au>
2327
2328 PR target/39634
2329 * config.gcc (powerpc64-*-linux*): Always build biarch.
2330
17cede2e
JM		 23312009-04-09 Joseph Myers <joseph@codesourcery.com>
2332
2333 PR c/39613
2334 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
2335 it and pedwarn if this results in an INTEGER_CST.
2336
a3337ea2
KG		 23372009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2338
2339 * doc/install.texi: Update minimum GMP version. Remove obsolete
2340 text in MPFR section.
2341
ce9ba79b
JJ		 23422009-04-08 Jakub Jelinek <jakub@redhat.com>
2343
2344 * dwarf2out.c (class_scope_p): New static inline.
2345 (class_or_namespace_scope_p): Use it.
2346 (gen_variable_die): Use DW_TAG_member tag for static data member
2347 declarations instead of DW_TAG_variable.
2348
4f0ae266
JJ		 2349 PR middle-end/39573
2350 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
2351 variables.
2352
d27f0ddc
RG		 23532009-04-08 Richard Guenther <rguenther@suse.de>
2354
2355 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
2356 valueize random data.
2357
557cc596
DE		 23582009-04-08 David Edelsohn <edelsohn@gnu.org>
2359
2360 * config.gcc (aix tm_file): Add aix-stdint.h.
2361 (aix tm clause use_gcc_stdint): Set to wrap.
2362 * config/rs6000/aix-stdint.h: New file.
2ba9daa7 2363
75ccc1e7
RG		 23642009-04-08 Richard Guenther <rguenther@suse.de>
2365
2366 PR middle-end/36291
2367 * tree-dfa.c (add_referenced_var): Do not recurse into
2368 global initializers.
2369 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
2370 exposed variables.
2371 (fold_const_aggregate_ref): Likewise.
2372
c6963675
PB		 23732009-04-08 Paolo Bonzini <bonzini@gnu.org>
2374
6c44cf79
L		 2375 * recog.c (ordered_comparison_operator): New.
2376 * gensupport.c (std_preds): Add it.
c6963675
PB		 2377 * doc/md.texi (Machine-Independent Predicates): Document it.
2378
6d07ad98
JH		 23792009-04-08 Jan Hubicka <jh@suse.cz>
2380
2381 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
2382 * function.h (rtl_eh): Remove exception_handler_label_map.
2383 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
2384 remove_exception_handler_label, for_each_eh_label_1): Remove.
2385 (rtl_remove_unreachable_regions): Remove.
2386 (convert_from_eh_region_ranges): Do not remove unreachable regions.
2387 (find_exception_handler_labels): Don't build the hashtable.
2388 (maybe_remove_eh_handler): Remove.
2389 (for_each_eh_label): Rewrite to walk the tree.
2390 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
2391 * except.h (maybe_remove_eh_handler): Remove.
2392 * passes.c (init_optimization_passes): Schedule second EH cleanup
2393 before out-of-ssa.
2394 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
2395 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
2396
7ddf71e3
PB		 23972009-04-08 Paolo Bonzini <bonzini@gnu.org>
2398
2399 * genoutput.c (validate_optab_operands): New.
2400 (gen_insn, gen_expand): Call it.
2401
2402 * genflags.c (gen_insn): Detect misused iterators.
2403 (main): Pass line_no to gen_insn, exit with status 1 on error.
2404
2405 * genextract.c (line_no): Make global.
2406 (VEC_safe_set_locstr): Change assertion to error message.
2407 (main): Exit with status 1 on error.
2408
4d84fe7c
JM		 24092009-04-08 Joseph Myers <joseph@codesourcery.com>
2410
2411 PR c/39614
2412 PR c/39673
2413 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2414 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2415 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
2416 * c-convert.c (convert): Do not call fold on results of conversion
2417 functions when the result is a C_MAYBE_CONST_EXPR.
2418 * c-parser.c (c_parser_postfix_expression): Do not fold condition
2419 of __builtin_choose_expr.
2420 * c-typeck.c (remove_c_maybe_const_expr): New.
2421 (build_unary_op, build_conditional_expr, build_compound_expr,
2422 build_binary_op, c_objc_common_truthvalue_conversion): Call
2423 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
2424 integer operands.
2425
d1d1c602
BM		 24262009-04-08 Bingfeng Mei <bmei@broadcom.com>
2427
2ba9daa7 2428 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6c44cf79 2429 CODE to produce a new one. Add a prototype to use fold_convert_const
d1d1c602 2430
8e481a2c
DS		 24312009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
2432
2433 PR bootstrap/39660
2434 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
2435 mix declarations and code.
2436
ee618c17
BE		 24372009-04-08 Ben Elliston <bje@au.ibm.com>
2438
2439 * gcc.c: Replace `CC' with `GCC' throughout.
2440
f2a758a2
L		 24412009-04-07 H.J. Lu <hongjiu.lu@intel.com>
2442
2443 * doc/invoke.texi: Document Atom support.
2444
6ea2bd47
JM		 24452009-04-07 Jason Merrill <jason@redhat.com>
2446
2447 PR c++/25185
2448 * c-common.h, c-common.c: Add flag_pretty_templates.
2449 * c-opts.c (c_common_handle_option): Set it.
2450 * c.opt: Add -fno-pretty-templates.
2451 * doc/invoke.texi (C++ Dialect Options): Likewise.
2452
fcb82ab0
UB		 24532009-04-07 Uros Bizjak <ubizjak@gmail.com>
2454
2455 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
2456 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
2457 (ia64_expand_builtin): Likewise.
2458
dc5e7298
MJ		 24592009-04-07 Martin Jambor <mjambor@suse.cz>
2460
2461 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
2462 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
2463 ADDR_EXPRS are include too.
2464
0609b355
RG		 24652009-04-07 Richard Guenther <rguenther@suse.de>
2466
2467 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
2468 decls are only used if passes as parameters or if they are
2469 local statics and the call is not to a builtin.
2470 (call_may_clobber_ref_p_1): Likewise.
2471
d8e535fa
PB		 24722009-04-07 Paolo Bonzini <bonzini@gnu.org>
2473
2474 * expr.c (do_store_flag): Remove last argument. Simplify code
2475 to avoid duplication of tests already done by can_compare_p.
2476 (expand_expr_real_1): Adjust caller.
2477
c3c64f50
PB		 24782009-04-07 Paolo Bonzini <bonzini@gnu.org>
2479
fcb82ab0
UB		 2480 * optabs.c (can_compare_p): Test the predicate of a
2481 cbranch and cstore pattern.
c3c64f50 2482
9a53bc17
PB		 24832009-04-07 Paolo Bonzini <bonzini@gnu.org>
2484
fcb82ab0
UB		 2485 * expr.c (convert_move): Use emit_store_flag instead of
2486 "emulating" it.
9a53bc17 2487
67b8f1c1
PB		 24882009-04-07 Paolo Bonzini <bonzini@gnu.org>
2489
fcb82ab0
UB		 2490 * config/i386/i386.c (ix86_compare_emitted): Remove.
2491 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
2492 ix86_compare_op0 like ix86_compare_emitted used to be handled.
2493 * config/i386/i386.h (ix86_compare_emitted): Remove.
2494 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
2495 instead of ix86_compare_emitted.
2496 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
67b8f1c1 2497
44509946
AS		 24982009-04-07 Andrew Stubbs <ams@codesourcery.com>
2499
2500 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
2501 Add t-sysroot-suffix to tmake_file.
2502 * config/print-sysroot-suffix.sh: New file.
2503 * config/t-sysroot-suffix: New file.
2504
ca22d882
BE		 25052009-04-07 Ben Elliston <bje@au.ibm.com>
2506
2507 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
2508 as the latter produces a warning when the target does not support
2509 infinity.
2510
95aac11b
BE		 25112009-04-07 Ben Elliston <bje@au.ibm.com>
2512
2513 * dfp.c: Replace type punning assignments with memcpy throughout.
2514 * Makefile.in (dfp.o-warn): Remove.
2ba9daa7 2515
633dd061
AM		 25162009-04-07 Alan Modra <amodra@bigpond.net.au>
2517
2518 PR target/39634
2519 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
2520 Include soft-fp/t-softfp after rs6000/t-linux64.
2521
fe0a25ec
EB		 25222009-04-06 Eric Botcazou <ebotcazou@adacore.com>
2523
2524 * stor-layout.c (set_sizetype): Use the full precision of their
2525 machine mode for bitsize types.
2526
0c011bc3
L		 25272009-04-06 H.J. Lu <hongjiu.lu@intel.com>
2528
2529 * config/i386/i386.md: Revert 2 accidental checkins.
2530
b6837b94
JY		 25312009-04-06 Joey Ye <joey.ye@intel.com>
2532 Xuepeng Guo <xuepeng.guo@intel.com>
2533 H.J. Lu <hongjiu.lu@intel.com>
2534
2535 Atom pipeline model, tuning and insn selection.
2536 * config.gcc (atom): Add atom config options and target.
2537
2538 * config/i386/atom.md: New.
2539
2540 * config/i386/i386.c (atom_cost): New cost.
2541 (m_ATOM): New macro flag.
2542 (initial_ix86_tune_features): Set m_ATOM.
2543 (x86_accumulate_outgoing_args): Likewise.
2544 (x86_arch_always_fancy_math_387): Likewise.
2545 (processor_target): Add Atom cost.
2546 (cpu_names): Add Atom cpu name.
2547 (override_options): Set Atom ISA.
2548 (ix86_issue_rate): New case PROCESSOR_ATOM.
2549 (ix86_adjust_cost): Likewise.
2550
2551 * config/i386/i386.h (TARGET_ATOM): New target macro.
2552 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
2553 (TARGET_OPT_AGU): New target option.
2554 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
2555 (processor_type): Add PROCESSOR_ATOM.
2556
2557 * config/i386/i386.md (cpu): Add new value "atom".
2558 (use_carry, movu): New attr.
2559 (atom.md): Include atom.md.
2560 (adddi3_carry_rex64): Set attr "use_carry".
2561 (addqi3_carry): Likewise.
2562 (addhi3_carry): Likewise.
2563 (addsi3_carry): Likewise.
2564 (*addsi3_carry_zext): Likewise.
2565 (subdi3_carry_rex64): Likewise.
2566 (subqi3_carry): Likewise.
2567 (subhi3_carry): Likewise.
2568 (subsi3_carry): Likewise.
2569 (x86_movdicc_0_m1_rex64): Likewise.
2570 (*x86_movdicc_0_m1_se): Likewise.
2571 (x86_movsicc_0_m1): Likewise.
2572 (*x86_movsicc_0_m1_se): Likewise.
2573 (*adddi_1_rex64): Emit add insn as much as possible.
2574 (*addsi_1): Likewise.
2575 (return_internal): Set atom_unit.
2576 (return_internal_long): Likewise.
2577 (return_pop_internal): Likewise.
2578 (*rcpsf2_sse): Set atom_sse_attr attr.
2579 (*qrt<mode>2_sse): Likewise.
2580 (*prefetch_sse): Likewise.
2581
2582 * config/i386/i386-c.c (ix86_target_macros_internal): New case
2583 PROCESSOR_ATOM.
2584 (ix86_target_macros_internal): Likewise.
2585
2586 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
2587 (*prefetch_sse_rex): Likewise.
2588 (sse_rcpv4sf2): Likewise.
2589 (sse_vmrcpv4sf2): Likewise.
2590 (sse_sqrtv4sf2): Likewise.
2591 (<sse>_vmsqrt<mode>2): Likewise.
2592 (sse_ldmxcsr): Likewise.
2593 (sse_stmxcsr): Likewise.
2594 (*sse_sfence): Likewise.
2595 (sse2_clflush): Likewise.
2596 (*sse2_mfence): Likewise.
2597 (*sse2_lfence): Likewise.
2598 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
2599 (<sse>_movup<ssemodesuffixf2c>): Likewise.
2600 (avx_movdqu<avxmodesuffix>): Likewise.
2601 (avx_lddqu<avxmodesuffix>): Likewise.
2602 (sse2_movntv2di): Change attr "type" to "ssemov".
2603 (sse2_movntsi): Likewise.
2604 (rsqrtv8sf2): Change attr "type" to "sseadd".
2605 (sse3_addsubv2df3): Set attr "atom_unit".
2606 (sse3_h<plusminus_insn>v4sf3): Likewise.
2607 (*sse2_pmaddwd): Likewise.
2608 (*vec_extractv2di_1_rex64): Likewise.
2609 (*vec_extractv2di_1_avx): Likewise.
2610 (sse2_psadbw): Likewise.
2611 (ssse3_phaddwv8hi3): Likewise.
2612 (ssse3_phaddwv4hi3): Likewise.
2613 (ssse3_phadddv4si3): Likewise.
2614 (ssse3_phadddv2si3): Likewise.
2615 (ssse3_phaddswv8hi3): Likewise.
2616 (ssse3_phaddswv4hi3): Likewise.
2617 (ssse3_phsubwv8hi3): Likewise.
2618 (ssse3_phsubwv4hi3): Likewise.
2619 (ssse3_phsubdv4si3): Likewise.
2620 (ssse3_phsubdv2si3): Likewise.
2621 (ssse3_phsubswv8hi3): Likewise.
2622 (ssse3_phsubswv4hi3): Likewise.
2623 (ssse3_pmaddubsw128): Likewise.
2624 (sse3_pmaddubsw: Likewise.
2625 (ssse3_palignrti): Likewise.
2626 (ssse3_palignrdi): Likewise.
2627
53e350d3
GP		 26282009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
2629
2630 * doc/install.texi (Specific): Fix two cross-references to MinGW.
2631
439ef907
RG		 26322009-04-06 Richard Guenther <rguenther@suse.de>
2633
2634 PR tree-optimization/28868
2635 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
2636 of which PHI results we inserted.
2637 (insert_into_preds_of_block): Record inserted PHIs.
2638 (eliminate): Eliminate redundant PHI nodes.
2639 (init_pre): Init inserted_phi_names.
2640
4bad83f5
RG		 26412009-04-06 Richard Guenther <rguenther@suse.de>
2642
2643 PR tree-optimization/39643
2644 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
2645 IMAGPART_EXPRs of complex constants.
2646 (execute_fold_all_builtins): If we folded a call queue
2647 TODO_update_address_taken.
2648
570c4247
JH		 26492009-04-06 Jan Hubicka <jh@suse.cz>
2650
2651 PR middle-end/39659
2652 * except.c (remove_unreachable_regions): Propagate may_contain_throw
2653 flag.
2654
a460d7a1
AS		 26552009-04-06 Andrew Stubbs <ams@codesourcery.com>
2656
2657 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
2658 delay slot.
2659 (ic_invalidate_array): Likewise.
2660
6bdf8c2e
HS		 26612009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
2662
2663 * calls.c (emit_library_call_value_1): Fix a problem with parameter
2664 alignment for library calls.
2665
7d253f6e
DS		 26662009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
2667
2668 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
2669 (mingw32 tm clause use_gcc_stdint): Set to wrap.
2670 * config/i386/mingw-stdint.h: New file.
2671
941c3614
RB		 26722009-04-05 Richard Guenther <rguenther@suse.de>
2673
2674 PR tree-optimization/39648
2675 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
2676 our &A vs. &A[0] IL deficiencies.
2677
12633413
JH		 26782009-04-04 Jan Hubicka <jh@suse.cz>
2679
941c3614
RB		 2680 * except.c (sjlj_find_directly_reachable_regions): Be ready for
2681 removed toplevel regions.
12633413
JH		 2682 (sjlj_mark_call_sites): Likewise.
2683
bb2aaded
DK		 26842009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
2685
2686 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
2687 (cygwin tm clause use_gcc_stdint): Set to wrap.
2688 * config/i386/cygwin-stdint.h: New file.
2689
86290011
RG		 26902009-04-04 Richard Guenther <rguenther@suse.de>
2691
2692 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
2693 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
2694 single-argument PHIs if we are in loop-closed SSA form.
2695 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
2696 for the pre-condition.
2697 (slpeel_tree_peel_loop_to_edge): Likewise.
2698 (vect_build_loop_niters): Take an optional sequence to append stmts.
2699 (vect_generate_tmps_on_preheader): Likewise.
2700 (vect_do_peeling_for_loop_bound): Take extra guards for the
2701 pre-condition.
2702 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
2703 the cost model check.
2704 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
7a715bba 2705 guards if we are going to peel. Do not apply versioning in that case.
86290011
RG		 2706 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
2707 (vect_do_peeling_for_loop_bound): Likewise.
2708 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
2709 loop bound only record extra pre-conditions, do not apply loop
2710 versioning.
2711
5eeeac64
RG		 27122009-04-04 Richard Guenther <rguenther@suse.de>
2713
2714 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
2715 renaming code.
2716
1ff7d06b
JH		 27172009-04-04 Jan Hubicka <jh@suse.cz>
2718
2719 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
2720 last_basic_block for size of bb->index indexed array.
2721 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
2722 compute_out, link_btr_uses, build_btr_def_use_webs,
2723 build_btr_def_use_webs, migrate_btr_defs): Likewise.
2724
14925fcd
JH		 27252009-04-04 Jan Hubicka <jh@suse.cz>
2726
2727 * except.c (remove_eh_handler_and_replace): Break out from ...
2728 (remove_eh_handler): ... here.
2729 (bring_to_root): New function.
2730 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
2731 handled ones, bring others to root of tree.
2732
4e6d1743
JH		 27332009-04-04 Jan Hubicka <jh@suse.cz>
2734
4cb735f7
JH		 2735 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
2736 (all_phis_safe_to_merge): New function.
2737 (update_info): New structure.
2738 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
2739 (cleanup_empty_eh): Update SSA if possible.
4e6d1743 2740
c6803d43
RG		 27412009-04-04 Richard Guenther <rguenther@suse.de>
2742
2743 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
2744 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
2745 (append_vuse): Likewise.
2746
54f5943c
JJ		 27472009-04-04 Jakub Jelinek <jakub@redhat.com>
2748
2749 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
2750 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
2751 instead of REG_UNSAVED for DW_CFA_undefined.
2752 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
2753 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
2754 outermost frame.
2755
aad2bccb
RE		 27562009-04-04 Richard Earnshaw <rearnsha@arm.com>
2757
2758 PR target/39501
2759 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
2760 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
2761 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
2762
aa7069aa
RG		 27632009-04-04 Richard Guenther <rguenther@suse.de>
2764
2765 PR tree-optimization/8781
2766 PR tree-optimization/37892
2767 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
2768 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
2769 (valueize_refs): Call it for *& valueizations.
2770 (shared_reference_ops_from_ref): Rename to ...
2771 (valueize_shared_reference_ops_from_ref): ... this and valueize.
2772 (shared_reference_ops_from_call): Rename to ...
2773 (valueize_shared_reference_ops_from_call): ... this and valueize.
2774 (vn_reference_lookup): Update.
2775 (visit_reference_op_call): Likewise.
2776 * tree-ssa-pre.c (phi_translate_1): Fold *&.
2777 (eliminate): Value-replace the call address in call statements.
2778
cd15ad3e
RG		 27792009-04-04 Richard Guenther <rguenther@suse.de>
2780
2781 PR tree-optimization/39636
2782 * tree-ssa-forwprop.c
2783 (forward_propagate_addr_into_variable_array_index): Check for
2784 GIMPLE_ASSIGN before accessing the rhs code.
2785
462f3262
JM		 27862009-04-03 Jason Merrill <jason@redhat.com>
2787
2788 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
2789
6adb807e
SE		 27902009-04-03 Steve Ellcey <sje@cup.hp.com>
2791
2792 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
2793 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
2794 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
2795 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
2796 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
2797 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
2798 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
2799 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
2800 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
2801 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
2802 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
2803 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
2804 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
2805 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
2806 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
2807 Use fr_reg_or_fp01_operand instead of fr_register_operand
2808
2809 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
2810 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
2811 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
2812
174b3107
VM		 28132009-04-03 Vladimir Makarov <vmakarov@redhat.com>
2814
b844e5d8
L		 2815 PR rtl-optimization/39607
2816 PR rtl-optimization/39631
7a715bba
UB		 2817
2818 Revert:
2ba9daa7 2819
174b3107
VM		 2820 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
2821 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2822 instead of DF_LR_OUT.
2823 * ira-lives.c (process_bb_node_lives): Ditto.
2824 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2825 instead of DF_LR_{OUT,IN}.
2826 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2827 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2828
535b544a
SB		 28292009-04-03 Steven Bosscher <steven@gcc.gnu.org>
2830
2831 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
2832 (execute_lower_omp): Always run but take the short way out if -fopenmp
2833 is not given.
2834 (gate_lower_omp): Remove, forcing the pass manager to always run the
2835 pass and always set PROP_gimple_lomp.
2836 (pass_lower_omp): Remove gate function.
2837 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
2838 PROP_trees. Instead, require it.
2839 * ipa-cp.c (pass_ipa_cp): Likewise.
2840 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
2841 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
2842 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
2843 and PROP_gimple_leh.
2844
5006671f
RG		 28452009-04-03 Richard Guenther <rguenther@suse.de>
2846
2847 PR middle-end/13146
2848 PR tree-optimization/23940
2849 PR tree-optimization/33237
2850 PR middle-end/33974
2851 PR middle-end/34093
2852 PR tree-optimization/36201
2853 PR tree-optimization/36230
2854 PR tree-optimization/38049
2855 PR tree-optimization/38207
2856 PR tree-optimization/38230
2857 PR tree-optimization/38301
2858 PR tree-optimization/38585
2859 PR middle-end/38895
2860 PR tree-optimization/38985
2861 PR tree-optimization/39299
2862 * tree-ssa-structalias.h: Remove.
2863 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
2864 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
2865 (struct vuse_element_d): Remove.
2866 (struct vuse_vec_d): Likewise.
2867 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
2868 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
2869 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
2870 VUSE_ELEMENT_VAR): Likewise.
2871 (struct voptype_d): Likewise.
2872 (NUM_VOP_FREE_BUCKETS): Likewise.
2873 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
2874 (struct stmt_operands_d): Remove.
2875 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
2876 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
2877 VDEF_NUM, VDEF_VECT): Likewise.
2878 (copy_virtual_operands): Remove.
2879 (operand_build_cmp): Likewise.
2880 (create_ssa_artificial_load_stmt): Likewise.
2881 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
2882 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
2883 vuse_index and mayuse_index members. Pack and move done and iter_type
2884 members to the front.
2885 (SSA_OP_VMAYUSE): Remove.
2886 (SSA_OP_VIRTUAL_USES): Adjust.
2887 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
2888 (unlink_stmt_vdef): Declare.
2889 (add_to_addressable_set): Remove.
2890 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
2891 (vrp_visit_stmt): Likewise.
2892 * doc/tree-ssa.texi (Alias analysis): Update.
2893 * doc/invoke.texi (max-aliased-vops): Remove docs.
2894 (avg-aliased-vops): Likewise.
2895 * tree-into-ssa.c (syms_to_rename): Remove.
2896 (need_to_update_vops_p): Likewise.
2897 (need_to_initialize_update_ssa_p): Rename to ...
2898 (update_ssa_initialized_fn): ... this. Track function we are
2899 initialized for.
2900 (symbol_marked_for_renaming): Simplify.
2901 (add_new_name_mapping): Do not set need_to_update_vops_p.
2902 (dump_currdefs): Use SYMS_TO_RENAME.
2903 (rewrite_update_stmt): Always walk all uses/defs.
2904 (dump_update_ssa): Adjust.
2905 (init_update_ssa): Take function argument. Track what we are
2906 initialized for.
2907 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
2908 (create_new_def_for): Initialize for cfun, assert we are initialized
2909 for cfun.
2910 (mark_sym_for_renaming): Simplify.
2911 (mark_set_for_renaming): Do not initialize update-ssa.
2912 (need_ssa_update_p): Simplify. Take function argument.
2913 (name_mappings_registered_p): Assert we ask for the correct function.
2914 (name_registered_for_update_p): Likewise.
2915 (ssa_names_to_replace): Likewise.
2916 (release_ssa_name_after_update_ssa): Likewise.
2917 (update_ssa): Likewise. Use SYMS_TO_RENAME.
2918 (dump_decl_set): Do not print a newline.
2919 (debug_decl_set): Do it here.
2920 (dump_update_ssa): And here.
2921 * tree-ssa-loop-im.c (move_computations): Adjust.
2922 (movement_possibility): Likewise.
2923 (determine_max_movement): Likewise.
2924 (gather_mem_refs_stmt): Likewise.
2925 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
2926 or NAME_MEMORY_TAG.
2927 * tree-complex.c (update_all_vops): Remove.
2928 (expand_complex_move): Adjust.
2929 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
2930 Simplify test for memory referencing statement. Exclude
2931 non-invariant ADDR_EXPRs.
2932 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
2933 * tree-loop-distribution.c (generate_memset_zero): Adjust.
2934 (rdg_flag_uses): Likewise.
2935 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
2936 related code.
2937 (tree_optimize_tail_calls_1): Also split the
2938 edge from the entry block if we have degenerate PHI nodes in
2939 the first basic block.
2940 * tree.c (init_ttree): Remove memory-tag related code.
2941 (tree_code_size): Likewise.
2942 (tree_node_structure): Likewise.
2943 (build7_stat): Re-write to be build6_stat.
2944 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
2945 (SSA_VAR_P): Adjust.
2946 (struct tree_memory_tag): Remove.
2947 (struct tree_memory_partition_tag): Likewise.
2948 (union tree_node): Adjust.
2949 (build7): Re-write to be build6.
2950 * tree-pass.h (pass_reset_cc_flags): Remove.
2951 (TODO_update_address_taken): New flag.
2952 (pass_simple_dse): Remove.
2953 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
2954 * params.h (MAX_ALIASED_VOPS): Remove.
2955 (AVG_ALIASED_VOPS): Likewise.
2956 * omp-low.c (expand_omp_taskreg): Update SSA form.
2957 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
2958 aliases the lhs in a copy stmt.
2959 * tree-ssa-dse.c (struct address_walk_data): Remove.
2960 (memory_ssa_name_same): Likewise.
2961 (memory_address_same): Likewise.
2962 (get_kill_of_stmt_lhs): Likewise.
2963 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
2964 unused stores. Look through PHI nodes into post-dominated regions.
2965 (dse_optimize_stmt): Simplify. Properly remove stores.
2966 (tree_ssa_dse): Compute dominators.
2967 (execute_simple_dse): Remove.
2968 (pass_simple_dse): Likewise.
2969 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
2970 gimple_loaded_syms and gimple_stored_syms computation.
2971 * toplev.c (dump_memory_report): Dump alias and pta stats.
2972 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
2973 (vn_reference_eq): Likewise.
2974 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
2975 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
2976 valueize_vuses): Remove.
2977 (get_def_ref_stmt_vuses): Simplify. Rename to ...
2978 (get_def_ref_stmt_vuse): ... this.
2979 (vn_reference_lookup_2): New function.
2980 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
2981 walking equivalent vuses. Simplify.
2982 (vn_reference_lookup): Likewise.
2983 (vn_reference_insert): Likewise.
2984 (vn_reference_insert_pieces): Likewise.
2985 (visit_reference_op_call): Simplify.
2986 (visit_reference_op_load): Likewise.
2987 (visit_reference_op_store): Likewise.
2988 (init_scc_vn): Remove shared_lookup_vuses initialization.
2989 (free_scc_vn): Remove shared_lookup_vuses freeing.
2990 (sort_vuses, sort_vuses_heap): Remove.
2991 (get_ref_from_reference_ops): Export.
2992 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
2993 vector with single vuse pointer.
2994 (vn_reference_lookup_pieces, vn_reference_lookup,
2995 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
2996 (shared_vuses_from_stmt): Remove.
2997 (get_ref_from_reference_ops): Declare.
2998 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
2999 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
3000 memory-tag related code.
3001 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
3002 (likely_value): Add comment, skip static-chain of call statements.
3003 (surely_varying_stmt_p): Adjust.
3004 (gimplify_and_update_call_from_tree): Likewise.
3005 (execute_fold_all_builtins): Do not rebuild alias info.
3006 (gimplify_and_update_call_from_tree): Properly update VOPs.
3007 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
3008 (copy_ref_info): Remove memory-tag related code.
3009 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
3010 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
3011 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
3012 computation.
3013 * tree-ssa-dom.c (gimple_p): Remove typedef.
3014 (eliminate_redundant_computations): Adjust.
3015 (record_equivalences_from_stmt): Likewise.
3016 (avail_expr_hash): Likewise.
3017 (avail_expr_eq): Likewise.
7a715bba 3018 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5006671f
RG		 3019 (stmt_makes_single_load): Likewise.
3020 (stmt_makes_single_store): Likewise.
3021 * tree-ssa-alias.c: Rewrite completely.
3022 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
3023 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
3024 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
3025 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
3026 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
3027 Remove public functions.
3028 (pass_reset_cc_flags): Remove.
3029 (pass_build_alias): Move ...
3030 * tree-ssa-structalias.c (pass_build_alias): ... here.
3031 * tree-ssa-alias.c (may_be_aliased): Move ...
3032 * tree-flow-inline.h (may_be_aliased): ... here.
3033 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
3034 count_uses_and_derefs): Move ...
3035 * gimple.c: ... here.
3036 * gimple.h (count_uses_and_derefs): Declare.
3037 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
3038 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
3039 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
3040 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
3041 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
3042 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
3043 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
3044 New functions.
3045 * tree-dfa.c (refs_may_alias_p): Move ...
3046 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
3047 * tree-ssa-alias.h: New file.
3048 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
3049 (statement_sink_location): Likewise.
3050 * opts.c (decode_options): Do not adjust max-aliased-vops or
3051 avg-aliased-vops values.
3052 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
3053 (TV_CALL_CLOBBER): Likewise.
3054 (TV_FLOW_SENSITIVE): Likewise.
3055 (TV_FLOW_INSENSITIVE): Likewise.
3056 (TV_MEMORY_PARTITIONING): Likewise.
3057 (TV_ALIAS_STMT_WALK): New timevar.
3058 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
3059 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
3060 (get_address_description): Remove memory-tag related code.
3061 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
3062 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
3063 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
3064 and immediate uses in statements. Document.
3065 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
3066 (dump_symbols): Remove.
3067 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
3068 * alias.c (get_deref_alias_set): New function split out from ...
3069 (get_alias_set): ... here.
3070 * alias.h (get_deref_alias_set): Declare.
3071 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
3072 type parameter. Remove restrict pointer handling. Create a
3073 ref-all pointer in case type-based alias sets do not conflict.
3074 (vect_analyze_data_refs): Remove SMT related code.
3075 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
3076 (vectorizable_load): Likewise.
3077 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
3078 (DR_SYMBOL_TAG, DR_VOPS): Remove.
3079 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
3080 Ignore vops and SMTs.
3081 (dr_analyze_alias): Likewise..
3082 (free_data_ref): Likewise.
3083 (create_data_ref): Likewise.
3084 (analyze_all_data_dependences): Likewise.
3085 (get_references_in_stmt): Adjust.
3086 * tree-flow-inline.h (gimple_aliases_computed_p,
3087 gimple_addressable_vars, gimple_call_clobbered_vars,
3088 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
3089 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
3090 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
3091 gimple_mem_ref_stats): Remove.
3092 (gimple_vop): New function.
3093 (op_iter_next_use): Remove vuses and mayuses cases.
3094 (op_iter_next_def): Remove vdefs case.
3095 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
3096 (clear_and_done_ssa_iter): Do not set removed fields.
3097 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
3098 Assert we are not iterating over vuses or vdefs if not also
3099 iterating over uses or defs.
3100 (op_iter_init_use): Likewise.
3101 (op_iter_init_def): Likewise.
3102 (op_iter_next_vdef): Remove.
3103 (op_iter_next_mustdef): Likewise.
3104 (op_iter_init_vdef): Likewise.
3105 (compare_ssa_operands_equal): Likewise.
3106 (link_use_stmts_after): Handle vuse operand.
3107 (is_call_used): Use is_call_clobbered.
3108 (is_call_clobbered): Global variables are always call clobbered,
3109 query the call-clobbers bitmap.
3110 (mark_call_clobbered): Ignore global variables.
3111 (clear_call_clobbered): Likewise.
3112 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
3113 virtual operands sanity check.
3114 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
3115 Remove.
3116 (TARGET_MEM_REF): Remove TMR_TAG operand.
3117 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
3118 Remove call-clobber related code.
3119 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
3120 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
3121 partitions or escape reason.
3122 (get_single_def_stmt, get_single_def_stmt_from_phi,
3123 get_single_def_stmt_with_phi): Remove.
3124 (dump_referenced_vars): Tidy.
3125 (get_ref_base_and_extent): Allow bare decls.
3126 (collect_dfa_stats): Adjust.
3127 * graphite.c (rename_variables_in_stmt): Adjust.
3128 (graphite_copy_stmts_from_block): Likewise.
3129 (translate_clast): Likewise.
3130 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
3131 (EXPR_DIES): New.
3132 (translate_vuse_through_block): Use the oracle.
3133 (phi_translate_1): Adjust.
3134 (value_dies_in_block_x): Use the oracle. Cache the outcome
3135 in EXPR_DIES.
3136 (valid_in_sets): Check if the VUSE for
3137 a REFERENCE is available.
3138 (eliminate): Do not remove stmts during elimination,
3139 instead queue and remove them afterwards.
3140 (do_pre): Do not rebuild alias info.
3141 (pass_pre): Run TODO_rebuild_alias before PRE.
3142 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
3143 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
3144 (mark_all_v_defs_stmt): Remove.
3145 (mark_all_v_defs_seq): Adjust.
3146 (sra_replace): Likewise.
3147 (scalarize_use): Likewise.
3148 (scalarize_copy): Likewise.
3149 (scalarize_init): Likewise.
3150 (scalarize_ldst): Likewise.
3151 (todoflags): Remove.
3152 (tree_sra): Do not rebuild alias info.
3153 (tree_sra_early): Adjust.
3154 (pass_sra): Run TODO_update_address_taken before SRA.
3155 * tree-predcom.c (set_alias_info): Remove.
3156 (prepare_initializers_chain): Do not call it.
3157 (mark_virtual_ops_for_renaming): Adjust.
3158 (mark_virtual_ops_for_renaming_list): Remove.
3159 (initialize_root_vars): Adjust.
3160 (initialize_root_vars_lm): Likewise.
3161 (prepare_initializers_chain): Likewise.
3162 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
3163 (may_propagate_copy_into_stmt): Likewise.
3164 (merge_alias_info): Do nothing for now.
3165 (propagate_tree_value_into_stmt): Adjust.
3166 (stmt_may_generate_copy): Likewise.
3167 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
3168 not mark symbols for renaming.
3169 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
3170 with the same statement, make sure to update the new pointed-to one.
3171 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
3172 call statements, do not mark symbols for renaming.
3173 (mark_operand_necessary): Dump something.
3174 (ref_may_be_aliased): New function.
3175 (mark_aliased_reaching_defs_necessary_1): New helper function.
3176 (mark_aliased_reaching_defs_necessary): Likewise.
3177 (mark_all_reaching_defs_necessary_1): Likewise.
3178 (mark_all_reaching_defs_necessary): Likewise.
3179 (propagate_necessity): Do not process virtual PHIs. For
3180 non-aliased loads mark all reaching definitions as necessary.
3181 For aliased loads and stores mark the immediate dominating
3182 aliased clobbers as necessary.
3183 (visited): New global static.
3184 (perform_tree_ssa_dce): Free visited bitmap after propagating
3185 necessity.
3186 (remove_dead_phis): Perform simple dead virtual PHI removal.
3187 (remove_dead_stmt): Properly unlink virtual operands when
3188 removing stores.
3189 (eliminate_unnecessary_stmts): Schedule PHI removal after
3190 stmt removal.
3191 * tree-ssa-ter.c (is_replaceable_p): Adjust.
3192 (process_replaceable): Likewise.
3193 (find_replaceable_in_bb): Likewise.
3194 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
3195 based on the single gimple vop.
3196 (verify_flow_insensitive_alias_info): Remove.
3197 (verify_flow_sensitive_alias_info): Likewise.
3198 (verify_call_clobbering): Likewise.
3199 (verify_memory_partitions): Likewise.
3200 (verify_alias_info): Likewise.
3201 (verify_ssa): Adjust..
3202 (execute_update_addresses_taken): Export. Update SSA
3203 manually. Optimize only when optimizing. Use a local bitmap.
3204 (pass_update_address_taken): Remove TODO_update_ssa, add
3205 TODO_dump_func.
3206 (pass_update_address_taken): Just use TODO_update_address_taken.
3207 (init_tree_ssa): Do not initialize addressable_vars.
3208 (verify_ssa): Verify new VUSE / VDEF properties.
3209 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
3210 Do not call verify_alias_info.
3211 (delete_tree_ssa): Clear the VUSE, VDEF operands.
3212 Do not free the loaded and stored syms bitmaps. Reset the escaped
3213 and callused solutions. Do not free addressable_vars.
3214 Remove memory-tag related code.
3215 (warn_uninitialized_var): Aliases are always available.
3216 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
3217 * lambda-code.c (can_put_in_inner_loop): Adjust.
3218 (can_put_after_inner_loop): Likewise.
3219 (perfect_nestify): Likewise.
3220 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
3221 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
3222 (vectorizable_conversion): Do not mark symbols for renaming.
3223 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
3224 (expand_call_inline): Unlink the calls virtual operands before
3225 replacing it.
3226 (tree_function_versioning): Do not call update_ssa if we are not
3227 updating clones. Simplify.
3228 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
3229 (propagate_with_phi): Likewise..
3230 * tree-outof-ssa.c (create_temp): Remove memory tag and call
3231 clobber code. Assert we are not aliased or global.
3232 * tree-flow.h: Include tree-ssa-alias.h
3233 (enum escape_type): Remove.
3234 (struct mem_sym_stats_d): Likewise.
3235 (struct mem_ref_stats_d): Likewise.
3236 (struct gimple_df): Add vop member. Remove global_var,
3237 call_clobbered_vars, call_used_vars, addressable_vars,
3238 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
3239 escaped and callused members.
3240 (struct ptr_info_def): Remove all members, add points-to solution
3241 member pt.
3242 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
3243 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
3244 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
3245 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
3246 (tree-ssa-alias.o): Likewise.
3247 (toplev.o): Add tree-ssa-alias.h
3248 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
3249 * gimple.c (gimple_set_bb): Fix off-by-one error.
3250 (is_gimple_reg): Do not handle memory tags.
3251 (gimple_copy): Also copy virtual operands.
3252 Delay updating the statement. Do not reset loaded and stored syms.
3253 (gimple_set_stored_syms): Remove.
3254 (gimple_set_loaded_syms): Likewise.
3255 (gimple_call_copy_skip_args): Copy the virtual operands
3256 and mark the new statement modified.
3257 * tree-ssa-structalias.c (may_alias_p): Remove.
3258 (set_uids_in_ptset): Take the alias set to prune with as
3259 parameter. Fold in the alias test of may_alias_p.
3260 (compute_points_to_sets): Compute whether a ptr is dereferenced
3261 in a local sbitmap.
3262 (process_constraint): Deal with &ANYTHING on the lhs, reject all
3263 other ADDRESSOF constraints on the lhs.
3264 (get_constraint_for_component_ref): Assert that we don't get
3265 ADDRESSOF constraints from the base of the reference.
3266 Properly generate UNKNOWN_OFFSET for DEREF if needed.
3267 (struct variable_info): Remove collapsed_to member.
3268 (get_varinfo_fc): Remove.
3269 (new_var_info): Do not set collapsed_to.
3270 (dump_constraint): Do not follow cycles.
3271 (dump_constraint_graph): Likewise.
3272 (build_pred_graph): Likewise.
3273 (build_succ_graph): Likewise.
3274 (rewrite_constraints): Likewise.
3275 (do_simple_structure_copy): Remove.
3276 (do_rhs_deref_structure_copy): Remove.
3277 (do_lhs_deref_structure_copy): Remove.
3278 (collapse_rest_of_var): Remove.
3279 (do_structure_copy): Re-implement.
3280 (pta_stats): New global variable.
3281 (dump_pta_stats): New function.
3282 (struct constraint_expr): Make offset signed.
3283 (UNKNOWN_OFFSET): Define special value.
3284 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
3285 (solution_set_expand): New helper function split out from ...
3286 (do_sd_constraint): ... here.
3287 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
3288 (do_ds_constraint): Likewise.
3289 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
3290 and CALLUSED = *CALLUSED.
3291 (set_union_with_increment): Make inc argument signed.
3292 (type_safe): Remove.
3293 (get_constraint_for_ptr_offset): Handle unknown and negative
3294 constant offsets.
3295 (first_vi_for_offset): Handle offsets before start. Bail
3296 out early for offsets beyond the variable extent.
3297 (first_or_preceding_vi_for_offset): New function.
3298 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
3299 Together with ESCAPED = *ESCAPED this properly computes reachability.
3300 (find_what_var_points_to): New function.
3301 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
3302 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
3303 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
3304 pt_solutions_intersect): New functions.
3305 (compute_call_used_vars): Remove.
3306 (compute_may_aliases): New main entry into PTA computation.
3307 * gimple.h (gimple_p): New typedef.
3308 (struct gimple_statement_base): Remove references_memory_p.
3309 (struct gimple_statement_with_memory_ops_base): Remove
3310 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
3311 members.
3312 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
3313 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
3314 gimple_set_references_memory): Remove.
3315 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
3316 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
3317 New functions.
3318 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
3319 (verify_expr): Allow RESULT_DECL.
3320 (gimple_duplicate_bb): Do not copy virtual operands.
3321 (gimple_duplicate_sese_region): Adjust.
3322 (gimple_duplicate_sese_tail): Likewise.
3323 (mark_virtual_ops_in_region): Remove.
3324 (move_sese_region_to_fn): Do not call it.
3325 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
3326 and pass_simple_dse.
3327 (execute_function_todo): Handle TODO_update_address_taken,
3328 call execute_update_addresses_taken for TODO_rebuild_alias.
3329 (execute_todo): Adjust.
3330 (execute_one_pass): Init dump files early.
3331 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
3332 call-clobbered.
3333 (create_general_new_stmt): Clear vops.
3334 * tree-ssa-reassoc.c (get_rank): Adjust.
3335 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
3336 symbols for renaming.
3337 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
3338 (PARAM_AVG_ALIASED_VOPS): Likewise.
3339 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
3340 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7a715bba 3341 * tree-ssa-operands.c: Simplify for new virtual operand representation.
5006671f
RG		 3342 (operand_build_cmp, copy_virtual_operands,
3343 create_ssa_artificial_load_stmt, add_to_addressable_set,
3344 gimple_add_to_addresses_taken): Remove public functions.
3345 (unlink_stmt_vdef): New function.
3346
457d1d00
AM		 33472009-04-03 Alan Modra <amodra@bigpond.net.au>
3348
3349 * config.gcc (powerpc-*-linux*): Merge variants.
3350
e19da24c
CF		 33512009-04-02 Chao-ying Fu <fu@mips.com>
3352 James Grosbach <james.grosbach@microchip.com>
3353
3354 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
3355 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
3356 cop0_sp_offset.
3357 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
3358 keep_interrupts_masked_p, use_debug_exception_return_p.
3359 (mips_attribute_table): Add interrupt, use_shadow_register_set,
3360 keep_interrupts_masked, use_debug_exception_return.
3361 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
3362 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
3363 New functions.
3364 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
3365 (mips_print_operand): Process COP0 registers to print $0 .. $31
3366 correctly for GAS to process.
3367 (mips_interrupt_extra_call_saved_reg_p): New function.
3368 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
3369 extra registers.
3370 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
3371 (mips_compute_frame_info): Add supports for interrupt context that
3372 includes doubleword accumulators and COP0 registers.
3373 (mips_for_each_saved_acc): New function.
3374 (mips_for_each_saved_gpr_and_fpr): Change the function name from
3375 mips_for_each_saved_reg.
3376 (mips_save_reg): Save accumulators.
3377 (mips_kernel_reg_p): A new for_each_rtx callback.
3378 (mips_expand_prologue): Support interrupt handlers.
3379 (mips_restore_reg): Restore accumulators.
3380 (mips_expand_epilogue): Support interrupt handlers.
3381 (mips_can_use_return_insn): Return false for interrupt handlers.
3382 (mips_epilogue_uses): New function.
3383 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
3384 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
3385 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
3386 cop0_move): New instructions.
3387 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
3388 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
3389 defines.
3390 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
3391 New defines.
3392 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
3393 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
3394 interrupt handlers, we use K0 as the temporary register.
3395 (EPILOGUE_USES): Change to a function call.
3396 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
3397 handlers, we use K0 as the temporary register.
2ba9daa7 3398
e19da24c
CF		 3399 * doc/extend.texi (Function Attributes): Document interrupt,
3400 use_shadow_register_set, keep_interrupts_masked,
3401 use_debug_exception_return for MIPS attributes.
3402
aa1ca044
AM		 34032009-04-03 Alan Modra <amodra@bigpond.net.au>
3404
3405 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
3406 Remove a number of t-files from tmake_file.
3407 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
3408 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
3409 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
3410 target_prototype, not TARGET_PROTOTYPE.
3411 (LINK_OS_GNU_SPEC): Define.
3412 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
3413 and darwin-ldoubdle.c.
3414
14fdc613
MM		 34152009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
3416
3417 PR driver/39293
3418 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
3419 (cpp_options): Ditto.
3420 (default_compilers): Ditto.
3421 (display_help): Ditto.
3422 (process_command): Ditto.
3423 (do_spec_1): Ditto.
3424 (set_input): Use lbasename instead of duplicate code.
3425 (save_temps_prefix): New static for -save-temps=obj.
3426 (save_temps_length): Ditto.
2ba9daa7 3427
14fdc613
MM		 3428 * doc/invoke.texi (-save-temps=obj): Document new variant to
3429 -save-temps switch.
3430
d3aa398e
JL		 34312009-04-02 Jeff Law <law@redhat.com>
3432
3433 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
3434 variable.
3435
83f0ccb8
L		 34362009-04-02 H.J. Lu <hongjiu.lu@intel.com>
3437
3438 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
3439 * configure: Regenerated.
3440
dcb6e951
RAE		 34412009-04-02 Rafael Avila de Espindola <espindola@google.com>
3442
3443 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
3444 share the argument list.
3445
d85478c2
RAE		 34462009-04-02 Rafael Avila de Espindola <espindola@google.com>
3447
3448 Merge
3449
3450 2009-02-12 Diego Novillo <dnovillo@google.com>
3451
83f0ccb8
L		 3452 * varpool.c (debug_varpool): New.
3453 * cgraph.h (debug_varpool): Declare.
d85478c2 3454
34f42a49
JH		 34552009-04-02 Jan Hubicka <jh@suse.cz>
3456
3457 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
3458 pass.
3459
a4747b4a
L		 34602009-04-02 H.J. Lu <hongjiu.lu@intel.com>
3461
3462 * config/i386/i386.c (ix86_abi): Move initialization to ...
3463 (override_options): Here.
3464
63a9de54
CB		 34652009-04-02 Christian Bruel <christian.bruel@st.com>
3466
3467 * config/sh/sh.c (sh_dwarf_register_span): New function.
3468 (TARGET_DWARF_REGISTER_SPAN): Define.
3469 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2ba9daa7 3470
2f0fa28e
IR		 34712009-04-02 Ira Rosen <irar@il.ibm.com>
3472
3473 PR tree-optimization/39595
2ba9daa7 3474 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
2f0fa28e
IR		 3475 interleaved loads group is not greater than the SLP group size.
3476
bbf7ce11
RAE		 34772009-04-02 Rafael Avila de Espindola <espindola@google.com>
3478
3479 * builtins.c (is_builtin_name): New.
3480 (called_as_built_in): Use is_builtin_name.
3481 * tree.h (is_builtin_name): New.
3482 * varasm.c (incorporeal_function_p): Use is_builtin_name
3483
47e4dfcf
AS		 34842009-04-02 Andrew Stubbs <ams@codesourcery.com>
3485
3486 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
3487
d0940d56
DS		 34882009-04-02 Dodji Seketeli <dodji@redhat.com>
3489
3490 PR c++/26693
532bfb0a 3491 * c-decl.c (clone_underlying_type): Move this ...
d0940d56
DS		 3492 * c-common.c (set_underlying_type): ... here.
3493 Also, make sure the function properly sets TYPE_STUB_DECL() on
3494 the newly created typedef variant type.
3495 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7a715bba
UB		 3496 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
3497 points.
d0940d56 3498
bf1cbdc6
RG		 34992009-04-02 Richard Guenther <rguenther@suse.de>
3500
3501 PR tree-optimization/37221
3502 * tree-flow.h (degenerate_phi_result): Declare.
3503 * tree-ssa-dom.c (degenerate_phi_result): Export.
3504 * tree-scalar-evolution.c (analyze_initial_condition): If
3505 the initial condition is defined by a degenerate PHI node
3506 use the degenerate value.
3507
87cfb32c
EB		 35082009-04-01 Eric Botcazou <ebotcazou@adacore.com>
3509
3510 PR rtl-optimization/39588
3511 * combine.c (merge_outer_ops): Do not set the constant when this
3512 is not necessary.
3513 (simplify_shift_const_1): Do not modify it either in this case.
3514
bbb6eae8
SB		 35152009-04-01 Steven Bosscher <steven@gcc.gnu.org>
3516
3517 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
3518 tuning is deprecated if -mtune value is set to an Itanium1 variant.
3519
839a3b8a
JJ		 35202009-04-01 Janis Johnson <janis187@us.ibm.com>
3521
3522 PR c/29027
3523 * c-lex.c (interpret_float): Default (no suffix) is double.
3524
667e8acb
XDL		 35252009-04-1 Xinliang David Li <davidxl@google.com>
3526
3527 * config/i386/i386.c (legitimate_constant_p): Recognize
3528 all one vector constant.
3529
9332c6eb 35302009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3531
3532 * gcc/config/vax/vax.c: Add #includes to silence warnings.
3533 Change #include order to silence two warnings.
3534
9332c6eb 35352009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3536
3537 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
3538 (ASM_SPEC): Pass -k to the assembler for PIC code.
3539
9332c6eb 35402009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3541
3542 * gcc/config.gcc: Add vax-*-linux* to the switch.
3543 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
3544 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
3545
9332c6eb 35462009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3547
3548 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
3549 Use predicate macros instead of GET_CODE() == foo.
3550 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
3551 ashlsi3, rotrsi3, <unnamed>): Likewise.
3552
9332c6eb 35532009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3554
3555 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
3556 jbbccihi, jbbccisi): Remova trailing whitespace.
3557 * gcc/config/vax/constraints.md: Likewise.
3558 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3559 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
3560 * gcc/config/vax/predicates.md: Likewise.
3561 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
3562 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
3563 * gcc/config/vax/vax.h: Likewise.
3564 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
3565
9332c6eb 35662009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3567
3568 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
3569 (indirectable_address_p, adjacent_operands_p): Add spaces around
3570 braces.
3571 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
3572
9332c6eb 35732009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3574
3575 * gcc/config/vax/vax.c (legitimate_constant_address_p,
3576 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
3577 index_term_p, reg_plus_index_p, legitimate_address_p,
3578 vax_mode_dependent_address_p): Update comments to match functions
3579 modified by the recent int->bool conversion.
3580
9332c6eb 35812009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3582
3583 * gcc/config/vax/builtins.md: Update copyright message.
3584 * gcc/config/vax/constraints.md: Likewise.
3585 * gcc/config/vax/netbsd-elf.h: Likewise.
3586 * gcc/config/vax/predicates.md: Likewise.
3587 * gcc/config/vax/vax-protos.h: Likewise.
3588 * gcc/config/vax/vax.c: Likewise.
3589 * gcc/config/vax/vax.h: Likewise.
3590 * gcc/config/vax/vax.md: Likewise.
3591 * gcc/config/vax/vax.opt: Likewise.
3592
9332c6eb 35932009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
c4e75102
MT		 3594
3595 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
3596 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
3597 * gcc/config/vax/constraints.md (B, R): Likewise.
3598 * gcc/config/vax/predicates.md (external_memory_operand,
3599 nonimmediate_addsub_di_operand): Likewise.
3600 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
3601 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
3602 untyped_call): Likewise.
3603
9332c6eb 36042009-04-01 Matt Thomas <matt@3am-software.com>
c4e75102 3605
7a715bba
UB		 3606 * config/vax/predicates.md: New file.
3607 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
c4e75102
MT		 3608 external_const_operand, nonsymbolic_operand, external_memory_operand,
3609 indirect_memory_operand, indexed_memory_operand,
3610 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
3611 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
3612 predicate.
7a715bba
UB		 3613 * config/vax/constraints.md: New file.
3614 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
3615 New constraint.
3616 * config/vax/builtins.md: New file.
3617 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
3618 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
3619 jbbccisi): Define.
c4e75102
MT		 3620 * config/vax/vax.opt (mqmath): Add option.
3621 * config/vax/vax.md (isfx): Extend with DI.
3622 (VAXintQH, VAXintQHSD): Define.
3623 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
3624 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
3625 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
3626 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
3627 (movdi): Update constraints and use vax_output_int_move().
3628 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
3629 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
3630 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
3631 nonlocal_goto): New.
3632 (mov<mode>): Extend accepted operand types.
3633 (subdi3_old): Rename from subdi3, change update constraints and use
3634 a new implementation.
3635 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
3636 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
3637 MOVE_RATIO, CLEAR_RATIO): Define.
3638 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
3639 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3640 (PRINT_OPERAND): Redefine using a function instead of inlined code.
3641 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
3642 (split_quadword_operands): Make static and really allow variable
3643 splitting.
3644 (print_operand_address): Update for PIC generation.
3645 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
3646 indexable_address_p, fixup_mathdi_operand,
3647 vax_expand_addsub_di_operands, adjacent_operands_p): New.
3648 (vax_float_literal, legitimate_constant_p,
3649 indirectable_constant_address_p, index_term_p,
3650 reg_plus_index_p): Return bool instead of int.
3651 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
3652 where needed.
3653 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
3654 generation.
3655 (vax_output_conditional_branch): Indent.
3656 (legitimate_constant_address_p, indirectable_constant_address_p,
3657 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
3658 vax_mode_dependent_address_p): Return bool instead of int, update for
3659 PIC generation.
3660 * config/vax/vax-protos.h (legitimate_constant_address_p,
3661 legitimate_constant_p, legitimate_address_p,
3662 vax_mode_dependent_address_p): Change declaration to bool.
3663 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
3664 vax_expand_addsub_di_operands, vax_output_int_subtract,
3665 vax_output_movmemsi): Declare.
3666 (split_quadword_operands, vax_float_literal): Delete declaration.
3667 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
3668 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
3669 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
3670 ASM_OUTPUT_DWARF_PCREL): Define.
3671 (ASM_SPEC): Change definition to allow PIC generation.
3672
9332c6eb
L		 36732009-04-01 Steve Ellcey <sje@cup.hp.com>
3674
3675 * doc/sourcebuild.texi: Update front-end requirements.
3676
d93e052c
JJ		 36772009-04-01 Jakub Jelinek <jakub@redhat.com>
3678
3679 PR target/39226
3680 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
3681 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
3682 (booldi3_internal3): Use boolean_or_operator instead of
3683 boolean_operator.
3684
6ccb2a4a
JM		 36852009-04-01 Joseph Myers <joseph@codesourcery.com>
3686
3687 PR c/39605
3688 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
3689 declarator whose size is not an integer constant expression but
3690 folds to an integer constant, then treat it as a constant
3691 subsequently.
3692
299b87f8
RG		 36932009-04-01 Richard Guenther <rguenther@suse.de>
3694
3695 * fold-const.c (fold_plusminus_mult_expr): Do not fold
3696 i * 4 + 2 to (i * 2 + 1) * 2.
3697
b85eb797
JJ		 36982009-04-01 Jakub Jelinek <jakub@redhat.com>
3699
3700 PR c/37772
3701 * c-parser.c (c_parser_asm_statement): Skip until close paren and
3702 return if c_parser_asm_string_literal returned NULL.
3703
235e1fe8
NC		 37042009-04-01 Nick Clifton <nickc@redhat.com>
3705
3706 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
3707 already defined.
3708 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
3709 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
3710 other typedefs to avoid conflicts with libgcc2.c. Define labels
3711 to gain 16-bit bit-manipulation functions from libgcc2.c and then
3712 include it.
3713 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
3714 to gain 16-bit trapping arithmetic functions from libgcc2.c and
3715 then include it.
3716
d6868399
RAE		 37172009-04-01 Rafael Avila de Espindola <espindola@google.com>
3718
7a715bba
UB		 3719 * varasm.c (default_function_rodata_section): Declare DOT as
3720 const char*.
d6868399 3721
73d21f56
KT		 37222009-04-01 Kai Tietz <kai.tietz@onevision.com>
3723 Andrey Galkin <agalkin@hypercom.com>
3724
3725 PR/39492
3726 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
3727 Make object_name unique for each process.
3728
03742a9b
JJ		 37292009-04-01 Jakub Jelinek <jakub@redhat.com>
3730
3731 PR other/39591
3732 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
3733 addressable variables in the parallel that could go out of scope while
3734 running queued tasks.
3735
4223ff5f
AS		 37362009-04-01 Anatoly Sokolov <aesok@post.ru>
3737
3738 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
3739 (CASE_VALUES_THRESHOLD): Redefine.
3740 * config/avr/avr.c (avr_override_options): Remove initialization of
3741 avr_case_values_threshold variable.
3742 (avr_case_values_threshold): Remove variable. Add new function.
3743 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
3744 * config/avr/avr.opt (mno-tablejump): Remove option.
3745 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
3746
e893f6f3
DD		 37472009-04-01 DJ Delorie <dj@redhat.com>
3748
3749 * varasm.c (default_function_rodata_section): Don't assume
3750 anything about where the first '.' in the section name is.
3751
b246d100
AM		 37522009-04-01 Alan Modra <amodra@bigpond.net.au>
3753
3754 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
3755 rs6000_emit_stack_tie.
3756
d3e37a9e
ILT		 37572009-03-31 Ian Lance Taylor <iant@google.com>
3758
3759 * tree-eh.c (tree_remove_unreachable_handlers): Compare
3760 gimple_code with GIMPLE_RESX, not RESX.
3761
c1b61fca
JM		 37622009-03-31 Joseph Myers <joseph@codesourcery.com>
3763
3764 * c-common.c (c_get_ident): New.
7a715bba 3765 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
c1b61fca 3766
c2d2ad48
BE		 37672009-04-01 Ben Elliston <bje@au.ibm.com>
3768
3769 * config/rs6000/sysv4.opt (msdata): Improve option description.
3770
13d1a6e7
SE		 37712009-03-31 Steve Ellcey <sje@cup.hp.com>
3772
3773 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
3774 (divdf3_internal_lat): Remove.
3775 (divxf3_internal_lat): Remove.
3776 (divxf3_internal_thr): Remove.
3777 (divxf): Use divxf3_internal.
3778 * config/ia64/div.md (divsf3_internal_lat): New.
3779 (divdf3_internal_lat): New.
3780 (divxf3_internal): New.
3781
207bf79d
JM		 37822009-03-31 Joseph Myers <joseph@codesourcery.com>
3783
3784 PR c/448
3785 * Makefile.in (USE_GCC_STDINT): Define.
3786 (stmp-int-hdrs): Install stdint.h if applicable.
3787 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
3788 if known.
3789 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
3790 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
3791 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
3792 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3793 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3794 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3795 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3796 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3797 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
3798 (c_common_nodes_and_builtins): Initialize
3799 underlying_wchar_type_node. Do not initialize
3800 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
3801 nodes for new types.
3802 (c_stddef_cpp_builtins): Define macros for new types.
3803 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
3804 Remove.
3805 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
3806 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
3807 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
3808 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
3809 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
3810 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
3811 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
3812 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
3813 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
3814 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
3815 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
3816 int16_type_node, int32_type_node, int64_type_node,
3817 uint8_type_node, uint16_type_node, c_uint32_type_node,
3818 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
3819 int_least32_type_node, int_least64_type_node,
3820 uint_least8_type_node, uint_least16_type_node,
3821 uint_least32_type_node, uint_least64_type_node,
3822 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
3823 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
3824 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
3825 uintptr_type_node): Define.
3826 * c-cppbuiltin.c (builtin_define_constants,
3827 builtin_define_type_minmax): New.
3828 (builtin_define_stdint_macros): Define more macros.
3829 (c_cpp_builtins): Define more limit macros.
3830 (type_suffix): New.
3831 (builtin_define_type_max): Define in terms of
3832 builtin_define_type_minmax. Remove is_long parameter. All
3833 callers changed.
3834 * config.gcc (use_gcc_stdint): Define.
3835 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
3836 Add newlib-stdint.h for generic targets.
3837 * config/glibc-stdint.h, config/newlib-stdint.h,
3838 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
3839 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
3840 * config/score/score.h (UINTPTR_TYPE): Define.
3841 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
3842 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
3843 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3844 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3845 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3846 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3847 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3848 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
3849 * config/spu/spu.h (STDINT_LONG32): Define.
3850 * configure.ac (use_gcc_stdint): Substitute.
3851 * configure: Regenerate.
3852 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
3853 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
3854 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
3855 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
3856 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
3857 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
3858 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
3859 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
3860 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
3861 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
3862 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
3863 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
3864 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
3865 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
3866 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
3867 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
3868 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
3869 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
3870 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
3871 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
3872 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
3873 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
3874 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
3875 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3876 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3877 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3878 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3879 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3880 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
3881
ed853664
BS		 38822009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
3883
3884 * loop-iv.c (suitable_set_for_replacement): Renamed from
3885 simplify_using_assignment; changed to return bool and to accept new
3886 args DEST and SRC. Return true iff we find a source/destination pair
3887 that can be used to make a replacement, and fill SRC and DEST if so.
3888 Remove arg ALTERED. Don't deal with altered regs here. All callers
3889 changed.
3890 (simplify_using_initial_values): Deal with altered regs here and track
3891 more precisely the effect they have on the validity of our expression.
3892
1569e190
BS		 3893 * loop-iv.c (simplify_using_condition): A condition of the form
3894 (EQ REG CONST) can be used to simply make a substitution.
3895 (simplify_using_initial_values): Keep track of conditions we have seen
3896 and keep using them to simplify new expressions, while applying the
3897 same substitutions to them as to the expression.
3898
1d1eb80c
BS		 3899 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3900 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
3901 GEU/LTU reversed.
3902
28af33b0
BS		 3903 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
3904 changed. Use this when trying to improve the upper bound.
3905 Generate the comparison by using simplify_gen_relational.
3906
b30321cd
BS		 3907 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
3908
60081874
BS		 3909 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
3910 functions.
2ba9daa7 3911 (simplify_using_assignment, simplify_using_initial_values): Call
60081874
BS		 3912 replace_in_expr to make replacements. Call replace_single_def_regs
3913 once on the initial version of the expression.
3914
bebc6e07
RR		 39152009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3916
fcb82ab0 3917 PR target/27237
bebc6e07 3918 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2ba9daa7 3919
6b12efe9
RG		 39202009-03-31 Richard Guenther <rguenther@suse.de>
3921
3922 PR middle-end/31029
3923 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
3924 equality comparisons. Fold C - X CMP X if C % 2 == 1.
3925
108f6c2f
RG		 39262009-03-31 Richard Guenther <rguenther@suse.de>
3927
3928 * tree.h (div_if_zero_remainder): Declare.
3929 * fold-const.c (div_if_zero_remainder): Export.
3930 * tree-ssa-forwprop.c
3931 (forward_propagate_addr_into_variable_array_index): Handle
3932 constant array index addition outside of the variable index.
3933
8f612190
JM		 39342009-03-31 Joseph Myers <joseph@codesourcery.com>
3935
3936 PR target/39592
3937 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
3938 define_splits, floatunssi<mode>2): Require x87 conversions from
3939 DImode to be permitted.
3940
47580d22
JM		 39412009-03-31 Joseph Myers <joseph@codesourcery.com>
3942
3943 PR preprocessor/15638
3944 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
3945
ba4d8f9d
RG		 39462009-03-31 Richard Guenther <rguenther@suse.de>
3947
3948 PR middle-end/23401
3949 PR middle-end/27810
3950 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
3951 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
3952 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
3953 a separate statement.
3954 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
3955 (lookup_tmp_var): Likewise.
3956 (is_gimple_formal_tmp_or_call_rhs): Remove.
3957 (is_gimple_reg_or_call_rhs): Rename to ...
3958 (is_gimple_reg_rhs_or_call): ... this.
3959 (is_gimple_mem_or_call_rhs): Rename to ...
3960 (is_gimple_mem_rhs_or_call): ... this.
3961 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
3962 DECL_GIMPLE_REG_P only if is_formal is true.
3963 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
3964 for non-proper post-modify expression gimplification.
3965 (gimplify_self_mod_expr): For post-modify expressions gimplify
3966 the lvalue to a minimal lvalue.
3967 (rhs_predicate_for): Remove formal temp case.
3968 (gimplify_modify_expr_rhs): Likewise.
3969 (gimplify_addr_expr): Use is_gimple_reg.
3970 (gimplify_expr): Remove formal temp cases.
3971 (gimple_regimplify_operands): Likewise.
3972 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
3973 and FILTER_EXPR like constants.
3974 * gimple.c (walk_gimple_op): Fix val_only initialization, use
3975 is_gimple_reg.
3976 (is_gimple_formal_tmp_rhs): Remove.
3977 (is_gimple_reg_rhs): Remove special casing.
3978 (is_gimple_mem_rhs): Fix.
3979 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
3980 (is_gimple_formal_tmp_var): Remove.
3981 (is_gimple_formal_tmp_reg): Likewise.
3982 (is_gimple_min_lval): Allow invariant component ref parts.
3983 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
3984 is_gimple_formal_tmp_reg): Remove declarations.
3985 * tree-cfg.c (verify_expr): Verify that variables with address
3986 taken do not have DECL_GIMPLE_REG_P set.
3987 * tree-mudflap.c (mf_build_check_statement_for): Use
3988 force_gimple_operand instead of gimplify_expr.
3989
8de9b877
AZ		 39902009-03-31 Ayal Zaks <zaks@il.ibm.com>
3991
3992 * modulo-sched.c (sms_schedule_by_order): Pass the actual
3993 schedulable rows to compute_split_row.
3994
b5e3caf2
BE		 39952009-03-31 Ben Elliston <bje@au.ibm.com>
3996
3997 PR target/31635
3998 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
3999 OPT_mvrsave.
4000
9752c4ad
AM		 40012009-03-31 Alan Modra <amodra@bigpond.net.au>
4002
4003 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
4004 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
4005 * configure: Regenerate.
4006 * config.in: Regenerate.
4007 * config/rs6000/rs6000.opt (mtls-markers): Add.
4008 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
4009 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
4010 (tls_ld_aix, tls_ld_sysv): Likewise.
4011 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
4012 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
4013
b597d1b6
AM		 40142009-03-31 Alan Modra <amodra@bigpond.net.au>
4015
4016 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
4017
a203a221
JH		 40182009-03-30 Jan Hubicka <jh@suse.cz>
4019
b597d1b6
AM		 4020 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
4021 out of RESX.
4022 (tree_remove_unreachable_handlers): Cleanup EH predecestor
4023 detection and label handling.
a203a221 4024
5b0c0b2c
VM		 40252009-03-30 Vladimir Makarov <vmakarov@redhat.com>
4026
4027 * ira-int.h (ira_allocno): Rename left_conflicts_num to
4028 left_conflicts_size.
4029 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
4030 ALLOCNO_LEFT_CONFLICTS_SIZE.
4031
4032 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
4033 remove_allocno_from_bucket_and_push,
4034 allocno_spill_priority_compare, push_allocnos_to_stack,
4035 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
4036 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
4037 (setup_allocno_left_conflicts_num): Ditto. Rename to
4038 setup_allocno_left_conflicts_size.
4039 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
4040 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
4041 setup_allocno_left_conflicts_size instead of
4042 setup_allocno_left_conflicts_num.
4043
4044 * ira-build.c (ira_create_allocno): Use
4045 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
4046 ALLOCNO_LEFT_CONFLICTS_NUM.
2ba9daa7 4047
9a48a93f
VM		 40482009-03-30 Vladimir Makarov <vmakarov@redhat.com>
4049
4050 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
4051 instead of DF_LR_OUT.
4052
4053 * ira-lives.c (process_bb_node_lives): Ditto.
4054
4055 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
4056 instead of DF_LR_{OUT,IN}.
4057
4058 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
4059
4060 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
4061
4c936d4f
JH		 40622009-03-30 Jan Hubicka <jh@suse.cz>
4063
4064 * except.c (label_to_region_map): Fix thinko.
4065
f4d9f129
SE		 40662009-03-30 Steve Ellcey <sje@cup.hp.com>
4067
4068 PR middle-end/38237
4069 * tree.h (tree_find_value): New declaration.
4070 * tree.c (tree_find_value): New function.
4071 * varasm.c (assemble_external): Avoid duplicate entries on lists.
4072
b3f27c15
JJ		 40732009-03-30 Jakub Jelinek <jakub@redhat.com>
4074
4075 PR debug/39563
4076 * c-decl.c (struct c_binding): Add locus field.
4077 (bind): Add locus argument, set locus field from it.
4078 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
4079 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
4080 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
4081 implicitly_declare, undeclared_variable, lookup_label,
4082 declare_label, c_make_fname_decl, c_builtin_function,
4083 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
4084 bind callers.
4085
ad41bd84 40862009-03-30 H.J. Lu <hongjiu.lu@intel.com>
680e8a00
L		 4087
4088 PR target/38781
4089 * config/i386/i386.c (classify_argument): Check total size of
4090 structure.
4091
133f9369
MJ		 40922009-03-30 Martin Jambor <mjambor@suse.cz>
4093
4094 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
4095 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
4096 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
4097 respectively.
4098
4099 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
4100 seen_variable_array_ref while also traversing a union.
4101
4102 * tree-inline.c (optimize_inline_calls): Do not call
4103 cgraph_node_remove_callees.
4104 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
4105 (pass_remove_cgraph_callee_edges): New variable.
4106 * passes.c (init_optimization_passes): Add
4107 pass_remove_cgraph_callee_edges after early inlining and before all
4108 late intraprocedural passes.
4109
4110 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
4111
1190f2eb
PB		 41122009-03-30 Paolo Bonzini <bonzini@gnu.org>
4113
4114 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
4115 Fix typos in names.
4116
fedc1775
PB		 41172009-03-30 Paolo Bonzini <bonzini@gnu.org>
4118
fcb82ab0
UB		 4119 * combine.c (simplify_comparison): Use have_insn_for.
4120 * dojump.c (do_jump): Likewise.
fedc1775 4121
65c5ae8b
PB		 41222009-03-30 Paolo Bonzini <bonzini@gnu.org>
4123
4124 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
4125 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
4126 sparc_compare_op0 like sparc_compare_emitted used to be handled.
4127 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
4128 instead of sparc_compare_emitted.
4129 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
4130 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
4131 instead of sparc_compare_emitted.
4132
d25aa7ab
PB		 41332009-03-30 Paolo Bonzini <bonzini@gnu.org>
4134
4135 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
4136 enter/exit cfglayout mode.
4137 (pass_partition_block): Require it.
4138 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
4139 (combine_instructions): Track basic blocks instead of labels.
4140 (update_cfg_for_uncondjump): New.
4141 (try_combine): Use it. Update jumps after rescanning.
4142 (pass_combine): Require PROP_cfglayout.
4143 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
4144
9c9e26f5
PB		 41452009-03-30 Paolo Bonzini <bonzini@gnu.org>
4146
fcb82ab0
UB		 4147 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
4148 Provide/destroy PROP_cfglayout respectively.
4149 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
4150 * tree-pass.h (PROP_cfglayout): New.
9c9e26f5 4151
28ddeea1
PB		 41522009-03-30 Paolo Bonzini <bonzini@gnu.org>
4153
4154 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
4155 fold_convert_const_fixed_from_fixed,
4156 fold_convert_const_fixed_from_int,
4157 fold_convert_const_fixed_from_real, fold_negate_const): Do not
4158 set TREE_CONSTANT_OVERFLOW.
4159 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
4160 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
4161
ebfd146a
IR		 41622009-03-30 Ira Rosen <irar@il.ibm.com>
4163
4164 * tree-vect-loop-manip.c: New file.
4165 * tree-vectorizer.c: Update documentation and included files.
4166 (vect_loop_location): Make extern.
4167 (rename_use_op): Move to tree-vect-loop-manip.c
2ba9daa7
AS		 4168 (rename_variables_in_bb, rename_variables_in_loop,
4169 slpeel_update_phis_for_duplicate_loop,
ebfd146a
IR		 4170 slpeel_update_phi_nodes_for_guard1,
4171 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
4172 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
4173 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2ba9daa7 4174 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
ebfd146a
IR		 4175 find_loop_location): Likewise.
4176 (new_stmt_vec_info): Move to tree-vect-stmts.c.
4177 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
4178 get_vectype_for_scalar_type, vect_is_simple_use,
4179 supportable_widening_operation, supportable_narrowing_operation):
4180 Likewise.
4181 (bb_in_loop_p): Move to tree-vect-loop.c.
2ba9daa7
AS		 4182 (new_loop_vec_info, destroy_loop_vec_info,
4183 reduction_code_for_scalar_code, report_vect_op,
ebfd146a
IR		 4184 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
4185 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
4186 (vect_supportable_dr_alignment): Likewise.
4187 * tree-vectorizer.h (tree-data-ref.h): Include.
4188 (vect_loop_location): Declare.
4189 Reorganize function declarations according to the new file structure.
4190 * tree-vect-loop.c: New file.
2ba9daa7 4191 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
ebfd146a
IR		 4192 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
4193 * tree-vect-data-refs.c: New file.
4194 * tree-vect-patterns.c (timevar.h): Don't include.
4195 * tree-vect-stmts.c: New file.
2ba9daa7 4196 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
ebfd146a 4197 tree-vect-slp.c, tree-vect-loop.c.
2ba9daa7
AS		 4198 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
4199 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
ebfd146a
IR		 4200 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
4201 (tree-vect-analyze.o): Remove.
4202 (tree-vect-transform.o): Likewise.
4203 (tree-vect-data-refs.o): Add rule.
2ba9daa7 4204 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
ebfd146a
IR		 4205 tree-vect-slp.o): Likewise.
4206 (tree-vect-patterns.o): Remove redundant dependencies.
4207 (tree-vectorizer.o): Likewise.
4208 * tree-vect-slp.c: New file.
4209
40a1cfba
RW		 42102009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4211
4212 * optc-gen.awk: Warn if an option flag has multiple different
4213 help strings.
4214
a9a7a9a2
SP		 42152009-03-30 Sebastian Pop <sebastian.pop@amd.com>
4216
4217 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
4218 -floop-block): Document dependences on PPL, CLooG and Graphite.
4219
8ce94e44
JM		 42202009-03-30 Joseph Myers <joseph@codesourcery.com>
4221
4222 PR rtl-optimization/323
4223 * c-common.c (c_fully_fold, convert_and_check,
4224 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
4225 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
4226 * c-common.def (EXCESS_PRECISION_EXPR): New.
4227 * c-cppbuiltin.c (builtin_define_float_constants): Define
4228 constants with enough digits for long double.
4229 * c-lex.c (interpret_float): Interpret constant with excess
4230 precision where appropriate.
4231 * c-opts.c (c_common_post_options): Set
4232 flag_excess_precision_cmdline. Give an error for
4233 -fexcess-precision=standard for C++ for processors where the
4234 option is significant.
4235 * c-parser.c (c_parser_conditional_expression): Handle excess
4236 precision in condition.
4237 * c-typeck.c (convert_arguments): Handle arguments with excess
4238 precision.
4239 (build_unary_op): Move excess precision outside operation.
4240 (build_conditional_expr): Likewise.
4241 (build_compound_expr): Likewise.
4242 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
4243 (build_modify_expr): Handle excess precision in RHS.
4244 (convert_for_assignment): Handle excess precision in converted
4245 value.
4246 (digest_init, output_init_element, process_init_element): Handle
4247 excess precision in initializer.
4248 (c_finish_return): Handle excess precision in return value.
4249 (build_binary_op): Handle excess precision in operands and add
4250 excess precision as needed for operation.
4251 * common.opt (-fexcess-precision=): New option.
4252 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
4253 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
4254 For standard excess precision, output explicit conversion to and
4255 truncation from XFmode.
4256 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
4257 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
4258 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
4259 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
4260 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
4261 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
4262 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
4263 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
4264 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
4265 define_splits, sqrt<mode>2): Disable where appropriate for
4266 standard excess precision.
4267 * convert.c (convert_to_real): Do not shorten arithmetic to type
4268 for which excess precision would be used.
4269 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
4270 * doc/invoke.texi (-fexcess-precision=): Document option.
4271 (-mfpmath=): Correct index entry.
4272 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
4273 flag_excess_precision): New.
4274 * langhooks.c (lhd_post_options): Set
4275 flag_excess_precision_cmdline.
4276 * opts.c (common_handle_option): Handle -fexcess-precision=.
4277 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
4278 init_excess_precision): New.
4279 (lang_dependent_init_target): Call init_excess_precision.
4280 * tree.c (excess_precision_type): New.
4281 * tree.h (excess_precision_type): Declare.
4282
1e57bf47
JM		 42832009-03-30 Joseph Myers <joseph@codesourcery.com>
4284
4285 PR c/35235
4286 * c-typeck.c (build_component_ref): Do not copy qualifiers from
4287 non-lvalue to component.
4288
148e4216
JM		 42892009-03-29 Joseph Myers <joseph@codesourcery.com>
4290
4291 PR preprocessor/34695
4292 * Makefile.in (c-opts.o): Depend on c-tree.h.
4293 * c-common.c: Move down include of diagnostic.h.
4294 (done_lexing, c_cpp_error): New.
4295 * c-common.h (done_lexing): Declare.
4296 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
4297 (parse_in).
4298 * c-opts.c: Include c-tree.h.
4299 (c_common_init_options): Set preprocessor error callback.
4300 (c_common_handle_option): Do not set preprocessor
4301 inhibit_warnings, warnings_are_errors, warn_system_headers,
4302 pedantic_errors or inhibit_warnings flags.
4303 (c_common_post_options): Do not check cpp_errors (parse_in).
4304 (c_common_finish): Do not output dependencies if there were
4305 errors. Do not check return value of cpp_finish.
4306 * c-ppoutput.c (pp_file_change): Set input_location.
4307 * c-tree.h (c_cpp_error): Declare.
4308 * diagnostic.c (diagnostic_set_info_translated): Also initialize
4309 override_column.
4310 (diagnostic_build_prefix): Check override_column.
4311 * diagnostic.h (diagnostic_info): Add override_column field.
4312 (diagnostic_override_column): Define.
4313
2ec5deb5
PB		 43142009-03-28 Paolo Bonzini <bonzini@gnu.org>
4315
ba20e309
UB		 4316 * c-common.c (c_expand_expr, c_staticp): Remove.
4317 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
4318 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
4319 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
4320 * c-gimplify.c (gimplify_compound_literal_expr,
4321 optimize_compound_literals_in_ctor): Remove.
4322 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
4323 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
4324 * c-semantics.c (emit_local_var): Remove.
4325
4326 * langhooks-def.h (lhd_expand_expr): Remove.
4327 * langhooks.c (lhd_expand_expr): Remove.
4328 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
4329
4330 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
4331 handling from c-semantics.c; don't call into langhook.
4332 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
4333 * gimplify.c (gimplify_compound_literal_expr,
4334 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
4335 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
4336 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
4337 as was done in c-gimplify.c.
4338 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
4339 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
4340 Move from c-common.h.
4341 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
2ec5deb5
PB		 4342
4343 * tree.c (staticp): Do not call langhook.
4344 * langhooks.c (lhd_staticp): Delete.
4345 * langhooks-def.h (lhd_staticp): Delete prototype.
4346 (LANG_HOOKS_STATICP): Delete.
4347 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
4348
ba20e309
UB		 4349 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
4350 instead of DECL_STMTs.
2ec5deb5 4351
928c19bb
JM		 43522009-03-29 Joseph Myers <joseph@codesourcery.com>
4353
4354 PR c/456
4355 PR c/5675
4356 PR c/19976
4357 PR c/29116
4358 PR c/31871
4359 PR c/35198
4360 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
4361 void_type_node.
4362 (fold_call_expr): Return a NOP_EXPR from folding rather than the
4363 contained expression.
ba20e309 4364 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
928c19bb
JM		 4365 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
4366 conditional expressions for C.
4367 (decl_constant_value_for_optimization): Move from
ba20e309 4368 decl_constant_value_for_broken_optimization in c-typeck.c. Check
928c19bb
JM		 4369 whether optimizing and that the expression is a VAR_DECL not of
4370 array type instead of doing such checks in the caller. Do not
4371 check pedantic. Call gcc_unreachable for C++.
4372 * c-common.def (C_MAYBE_CONST_EXPR): New.
4373 * c-common.h (c_fully_fold, c_save_expr,
4374 decl_constant_value_for_optimization): New prototypes.
4375 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4376 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4377 EXPR_INT_CONST_OPERANDS): Define.
4378 * c-convert.c (convert): Strip nops from expression.
4379 * c-decl.c (groktypename): Take extra parameters expr and
4380 expr_const_operands. Update call to grokdeclarator.
4381 (start_decl): Update call to grokdeclarator. Add statement for
4382 expressions used in type of decl.
4383 (grokparm): Update call to grokdeclarator.
4384 (push_parm_decl): Update call to grokdeclarator.
4385 (build_compound_literal): Add parameter non_const and build a
4386 C_MAYBE_COSNT_EXPR if applicable.
4387 (grokdeclarator): Take extra parameters expr and
4388 expr_const_operands. Track expressions used in declaration
4389 specifiers and declarators. Fold array sizes and track whether
4390 they are constant expressions and whether they are integer
4391 constant expressions.
4392 (parser_xref_tag): Set expr and expr_const_operands fields in
4393 return value.
4394 (grokfield): Update call to grokdeclarator.
4395 (start_function): Update call to grokdeclarator.
4396 (build_null_declspecs): Set expr and expr_const_operands fields in
4397 return value.
4398 (declspecs_add_type): Handle expressions in typeof specifiers.
4399 * c-parser.c (c_parser_declspecs): Set expr and
4400 expr_const_operands fields for declaration specifiers.
4401 (c_parser_enum_specifier): Likewise.
4402 (c_parser_struct_or_union_specifier): Likewise.
4403 (c_parser_typeof_specifier): Likewise. Update call to
4404 groktypename. Fold expression as needed. Return expressions with
4405 type instead of adding statements.
4406 (c_parser_attributes): Update calls to c_parser_expr_list.
4407 (c_parser_statement_after_labels): Fold expression before passing
4408 to objc_build_throw_stmt.
4409 (c_parser_condition): Fold expression.
4410 (c_parser_asm_operands): Fold expression.
4411 (c_parser_conditional_expression): Use c_save_expr. Update call
4412 to build_conditional_expr.
4413 (c_parser_alignof_expression): Update call to groktypename.
4414 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
4415 original_code. Fold expression argument of va_arg. Create
4416 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
4417 argument to va_arg. Update calls to groktypename. Fold array
4418 index for offsetof. Verify that first argument to
4419 __builtin_choose_expr has integer type.
4420 (c_parser_postfix_expression_after_paren_type): Update calls to
4421 groktypename and build_compound_literal. Handle expressions with
4422 side effects in type name.
4423 (c_parser_postfix_expression_after_primary): Update call to
4424 c_parser_expr_list. Set original_code for calls to
4425 __builtin_constant_p.
4426 (c_parser_expr_list): Take extra parameter fold_p. Fold
4427 expressions if requested.
4428 (c_parser_objc_type_name): Update call to groktypename.
4429 (c_parser_objc_synchronized_statement): Fold expression.
4430 (c_parser_objc_receiver): Fold expression.
4431 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
4432 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
4433 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
4434 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
4435 (struct c_typespec): Add elements expr and expr_const_operands.
4436 (struct c_declspecs): Add elements expr and expr_const_operands.
4437 (groktypename, build_conditional_expr, build_compound_literal):
4438 Update prototypes.
4439 (in_late_binary_op): Declare.
4440 * c-typeck.c (note_integer_operands): New function.
4441 (in_late_binary_op): New variable.
4442 (decl_constant_value_for_broken_optimization): Move to c-common.c
4443 and rename to decl_constant_value_for_optimization.
4444 (default_function_array_conversion): Do not strip nops.
4445 (default_conversion): Do not call
4446 decl_constant_value_for_broken_optimization.
4447 (build_array_ref): Do not fold result.
4448 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
4449 result when operand is a VLA.
4450 (c_expr_sizeof_type): Update call to groktypename. Handle
4451 expressions included in type name. Use C_MAYBE_CONST_EXPR for
4452 result when operand names a VLA type.
4453 (build_function_call): Update call to build_compound_literal.
4454 Only fold result for calls to __builtin_* functions. Strip
4455 NOP_EXPR from INTEGER_CST returned from such functions. Fold
4456 the function designator.
4457 (convert_arguments): Fold arguments. Update call to
4458 convert_for_assignment.
4459 (build_unary_op): Handle increment and decrement of
4460 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
4461 decrement earlier. Fold operand of increment and decrement.
4462 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
4463 built for integer operand. Wrap returns that are INTEGER_CSTs
4464 without being integer constant expressions or that have integer
4465 constant operands without being INTEGER_CSTs.
4466 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
4467 (build_conditional_expr): Add operand ifexp_bcp. Track whether
4468 result is an integer constant expression or can be used in
4469 unevaluated parts of one and avoid folding and wrap as
4470 appropriate. Fold operands before possibly doing -Wsign-compare
4471 warnings.
4472 (build_compound_expr): Wrap result for C99 if operands can be used
4473 in integer constant expressions.
4474 (build_c_cast): Update call to digest_init. Do not ignore
4475 overflow from casting floating-point constants to integers. Wrap
4476 results that could be confused with integer constant expressions,
4477 null pointer constants or floating-point constants.
4478 (c_cast_expr): Update call to groktypename. Handle expressions
4479 included in type name.
4480 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
4481 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
4482 Update calls to convert_for_assignment.
4483 (convert_for_assignment): Take new parameter
4484 null_pointer_constant. Do not strip nops or call
4485 decl_constant_value_for_broken_optimization. Set
4486 in_late_binary_op for conversions to boolean.
4487 (store_init_value): Update call to digest_init.
4488 (digest_init): Take new parameter null_pointer_constant. Do not
4489 call decl_constant_value_for_broken_optimization. pedwarn for
4490 initializers not constant expressions. Update calls to
4491 convert_for_assignment.
4492 (constructor_nonconst): New.
4493 (struct constructor_stack): Add nonconst element.
4494 (really_start_incremental_init, push_init_level, pop_init_level):
4495 Handle constructor_nonconst and nonconst element.
4496 (set_init_index): Call constant_expression_warning for array
4497 designators.
4498 (output_init_element): Fold value. Set constructor_nonconst as
4499 applicable. pedwarn for initializers not constant expressions.
4500 Update call to digest_init. Call constant_expression_warning
4501 where constant initializers are required.
4502 (process_init_element): Use c_save_expr.
4503 (c_finish_goto_ptr): Fold expression.
4504 (c_finish_return): Fold return value. Update call to
4505 convert_for_assignment.
4506 (c_start_case): Fold switch expression.
4507 (c_process_expr_stmt): Fold expression.
4508 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
ba20e309 4509 ensure statement expression is not evaluated in constant expression.
928c19bb
JM		 4510 (build_binary_op): Track whether results are integer constant
4511 expressions or may occur in such, disable folding and wrap results
4512 as applicable. Fold operands for -Wsign-compare warnings unless
4513 in_late_binary_op.
4514 (c_objc_common_truthvalue_conversion): Handle results folded to
4515 integer constants that are not integer constant expressions.
4516 * doc/extend.texi: Document when typeof operands are evaluated,
4517 that condition of __builtin_choose_expr is an integer constant
4518 expression, and more about use of __builtin_constant_p in
4519 initializers.
4520
5babbcc0
RG		 45212009-03-29 Richard Guenther <rguenther@suse.de>
4522
4523 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
4524 propagate addresses of array references.
4525
0340f2ba
SB		 45262009-03-29 Steven Bosscher <steven@gcc.gnu.org>
4527
4528 * regmove.c (perhaps_ends_bb_p): Remove.
4529 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
4530 from INSN and check that the main loop stays within that basic block.
4531 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
4532 (regmove_forward_pass): Split out from regmove_optimize. Use
4533 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
4534 (regmove_backward_pass): Split out from regmove_optimize. Use
4535 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
4536 (regmove_optimize): Simplify.
4537
eeae74a1
L		 45382009-03-29 H.J. Lu <hongjiu.lu@intel.com>
4539
4540 PR target/39545
4541 * config/i386/i386.c (classify_argument): Ignore flexible array
4542 member in struct and warn ABI change.
4543
a24078b2
L		 45442009-03-29 H.J. Lu <hongjiu.lu@intel.com>
4545
4546 * config/i386/i386-protos.h (ix86_agi_dependent): New.
4547
4548 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
4549 (ix86_adjust_cost): Updated.
4550
a8da523f
JH		 45512009-03-29 Jan Hubicka <jh@suse.cz>
4552
4553 PR middle-end/28850
4554 * tree-pass.h (pass_cleanup_eh): New function.
4555 (remove_unreachable_regions): Break code handling RTL
4556 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
4557 that can not be reached by runtime.
4558 (can_be_reached_by_runtime): New function.
4559 (label_to_region_map): New function.
4560 (num_eh_regions): New function.
4561 (rtl_remove_unreachable_regions): New function.
4562 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
4563 (remove_eh_region): New function.
4564 * except.h: Include sbitmap and vecprim.
4565 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
4566 num_eh_regions): Declare.
4567 * passes.c (init_optimization_passes): Schedule cleanup_eh.
ba20e309 4568 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
a8da523f
JH		 4569 * tree-eh.c (tree_remove_unreachable_handlers): New function.
4570 (tree_empty_eh_handler_p): New function.
4571 (cleanup_empty_eh): New function.
4572 (cleanup_eh): New function.
4573 (pass_cleanup_eh): New function.
4574
98f358e5
JH		 45752009-03-29 Jan Hubicka <jh@suse.cz>
4576
4577 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
4578 for removed regions.
4579
13a9fa44
JH		 45802009-03-29 Jan Hubicka <jh@suse.cz>
4581
4582 * except.c (dump_eh_tree): Dump all datastructures.
4583
e38cf733
JH		 45842009-03-29 Jan Hubicka <jh@suse.cz>
4585
4586 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
4587 (duplicate_eh_regions_1): Likewise.
4588 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
4589 vector; call EH verification.
4590 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
4591 Be ready for region being removed.
4592
12802c2b
JH		 45932009-03-29 Jan Hubicka <jh@suse.cz>
4594
4595 * bitmap.c (bitmap_last_set_bit): New function.
4596 * bitmap.h (bitmap_last_set_bit): Declare.
4597
4ea80a41
DA		 45982009-03-29 David Ayers <ayers@fsfe.org>
4599
4600 PR objc/27377
4601 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
4602 by calling objc_compare_types and surpress warnings about
4603 incompatible C pointers that are compatible ObjC pointers.
2ba9daa7 4604
4ea80a41 46052009-03-29 Adam Nemet <anemet@caviumnetworks.com>
3dc9eaa6
AN		 4606
4607 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
4608 call initialize_inline_failed.
4609 (initialize_inline_failed): Move it from here ...
4610 * cgraph.c (initialize_inline_failed): ... to here.
4611 (cgraph_create_edge): Call initialize_inline_failed rather than
4612 setting inline_failed directly.
4613
7fb0ee07
BE		 46142009-03-29 Ben Elliston <bje@au.ibm.com>
4615
4616 PR target/32542
4617 * sysv4.opt (msdata): Improve comment.
4618 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
4619 * sysv4.h (SVR4_ASM_SPEC): Likewise.
4620
0be77bf2
BE		 46212009-03-29 Ben Elliston <bje@au.ibm.com>
4622
4623 PR target/30451
4624 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
4625 load and store attributes.
4626
593812b6
BE		 46272009-03-29 Ben Elliston <bje@au.ibm.com>
4628
4629 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
4630 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
4631 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
4632 * doc/extend.texi (X86 Built-in Functions): Add index entries for
4633 __builtin_infq and __builtin_huge_valq.
4634
8272d11d
AS		 46352009-03-28 Anatoly Sokolov <aesok@post.ru>
4636
4637 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
4638 atmega8m1 devices.
4639 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4640 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
4641
74fe548b
XDL		 46422009-03-28 Xinliang David Li <davidxl@google.com>
4643
2ba9daa7 4644 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
74fe548b
XDL		 4645 (do_dbg_cnt): New function.
4646
33977f81
JH		 46472009-03-28 Jan Hubicka <jh@suse.cz>
4648
4649 Merge from pretty-ipa:
4650
4651 2009-03-27 Jan Hubicka <jh@suse.cz>
ba20e309 4652
33977f81
JH		 4653 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
4654 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
4655 * passes.c (function_called_by_processed_nodes_p): New.
4656 * ipa-pure-const.c (check_call): Fix handling of operands.
4657 (analyze_function): Dump debug output for skipped bodies.
4658 (local_pure_const): Use function_called_by_processed_nodes_p.
4659 * dwarf2out.c (reference_to_unused): Use output.
4660 * passes.c (do_per_function_toporder): Likewise.
4661
4662 2008-11-12 Jan Hubicka <jh@suse.cz>
4663
4664 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
4665 * ipa-pure-const.c (funct_state_d): Add can throw field; make
4666 state_set_in_source enum
4667 (check_decl): Ignore memory tags; do not set fake looping flags;
4668 dump diagnostics.
4669 (check_operand, check_tree, check_rhs_var, check_lhs_var,
4670 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
4671 (check_call, analyze_function): Rewrite.
4672 (check_stmt): New.
4673 (add_new_function): Update call of analyze_function.
4674 (generate_summary): Add call of analyze_function.
4675 (propagate): Propagate can_throw; handle state_set_in_source correctly.
4676 (local_pure_const): New function.
4677 (pass_local_pure_const): New pass.
4678 * ipa-inline.c (inline_transform): Set after_inlining.
4679 * tree-eh.c (stmt_can_throw_external): New.
4680 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
4681 work with aliasing built.
4682 * tree-flow.h (stmt_can_throw_external): New.
4683 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
4684 and local pure/const pass in early and late optimization queue.
ba20e309 4685
617f3897
MJ		 46862009-03-28 Martin Jambor <mjambor@suse.cz>
4687
4688 * fold-const.c (get_pointer_modulus_and_residue): New parameter
4689 allow_func_align.
4690 (fold_binary): Allow function decl aligment consideration is the
4691 second argument is integer constant one.
4692 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
4693 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
4694 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
4695
fe89fbc5
JH		 46962009-03-28 Jan Hubicka <jh@suse.cz>
4697
4698 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
4699 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
4700 * function.h (rtl_data): Add nothrow flag.
4701 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
4702 set DECL_NOTHROW for AVAILABLE functions.
4703
574872ff
JJ		 47042009-03-28 Jakub Jelinek <jakub@redhat.com>
4705
b3bf8855
JJ		 4706 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
4707 following vector keyword has expansion starting with pixel or bool
4708 keyword, expand vector to __vector and pixel or bool to __pixel or
4709 __bool.
4710
574872ff
JJ		 4711 PR c++/39554
4712 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
4713 warn_if_disallowed_function_p): Removed.
4714 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
4715 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
4716 warning_if_disallowed_function_p.
4717 * flags.h (warn_if_disallowed_function_p,
4718 warn_disallowed_functions): Removed.
4719 * common.opt (Wdisallowed-function-list=): Removed.
4720 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
4721
b005da11
RG		 47222009-03-28 Richard Guenther <rguenther@suse.de>
4723
4724 PR tree-optimization/38723
4725 * tree-ssa-pre.c (compute_avail): Add all default definitions to
4726 the entry block.
4727
1de812a6
JH		 47282009-03-28 Jan Hubicka <jh@suse.cz>
4729
4730 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
4731 test introduced by my previous patch.
4732
fbb789d4
RG		 47332009-03-28 Richard Guenther <rguenther@suse.de>
4734
4735 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
4736 the PHIs value undefined.
4737
6f1873a1
JH		 47382009-03-28 Jan Hubicka <jh@suse.cz>
4739
4740 * tree-pass.h (pass_fixup_cfg): New pass.
4741 * ipa-inline.c (inline_transform): Set
4742 always_inline_functions_inlined/after_inlining.
4743 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
4744 (pass_fixup_cfg): New pass.
4745 * passes.c (init_optimization_passes): Add fixup_cfg.
4746
17021bc8
RG		 47472009-03-28 Richard Guenther <rguenther@suse.de>
4748
4749 PR tree-optimization/38458
4750 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
4751 argument use the arguments copy-of value.
4752
e8114fba
RG		 47532009-03-28 Richard Guenther <rguenther@suse.de>
4754
4755 PR tree-optimization/38180
4756 * tree-ssa-ccp.c (get_default_value): Simplify.
4757 (likely_value): Likewise.
4758 (surely_varying_stmt_p): Properly handle VOP case.
4759 (ccp_initialize): Likewise.
4760 (ccp_fold): Handle propagating through *&.
4761 (fold_const_aggregate_ref): Also handle decls.
4762
257eb6e3
JH		 47632009-03-28 Jan Hubicka <jh@suse.cz>
4764
4765 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
4766 * cgraph.h (cgraph_node): Likewise.
4767 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
4768 (cgraph_reset_node): Use process flag.
4769 (cgraph_mark_functions_to_output): Likewise.
4770 (cgraph_expand_function): Likewise.
4771 (cgraph_expand_all_functions): Likewise.
4772 (cgraph_output_in_order): Likewise.
4773 * dwarf2out.c (reference_to_unused): Likewise.
4774 * passes.c do_per_function_toporder): Likewise.
4775
61a05df1
JH		 47762009-03-28 Jan Hubicka <jh@suse.cz>
4777
4778 Bring from lto-branch:
ba20e309 4779
61a05df1
JH		 4780 2008-09-03 Doug Kwan <dougkwan@google.com>
4781
4782 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
4783 enums instead of reason strings.
4784 * cgraph.c (cgraph_create_edge): Same.
4785 (cgraph_inline_failed_string): New function.
4786 * cgraph.h (cgraph_inline_failed_t): New enum type.
4787 (cgraph_inline_failed_string): New prototype.
4788 (struct cgraph_edge): Change type of INLINED_FAILED from constant
4789 char pointer to cgraph_inline_failed_t.
4790 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
4791 (cgraph_default_inline_p): Ditto.
4792 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
4793 to cgraph_inline_failed_t pointer.
4794 * cif-code.def: New file.
4795 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
4796 reason string.
4797 (cgraph_check_inline_limits): Change type of REASON to pointer to
4798 cgraph_inline_failed_t. Replace reason strings with enums.
4799 (cgraph_default_inline_p): Ditto.
4800 (cgraph_recursive_inlining_p): Ditto.
4801 (update_caller_keys): Change type of FAILED_REASON to
4802 cgraph_inline_failed_t.
4803 (cgraph_set_inline_failed): Change type of REASON to pointer to
4804 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
4805 convert enums to strings for text output.
4806 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
4807 to be of type cgraph_inline_failed_t. Replace reason strings with
4808 enums. Call cgraph_inline_failed_string to covert enums
4809 to strings for text output.
4810 (cgraph_decide_inlining): Replace reason strings with enums.
4811 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
4812 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
4813 for text output.
4814 * tree-inline.c (expand_call_inline): Change type of REASON
4815 to cgraph_inline_failed_t. Replace reason strings with enums.
4816 Call cgraph_inline_failed_string for text output.
4817 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
4818 (cgraph.o): Ditto.
4819
144e8aac
JH		 48202009-03-28 Jan Hubicka <jh@suse.cz>
4821
4822 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
4823 cgraph_clone_node): Remove master clone handling.
4824 (cgraph_is_master_clone, cgraph_master_clone): Remove.
4825 * cgraph.h (master_clone): Remove.
4826 (cgraph_is_master_clone, cgraph_master_clone): Remove.
4827 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
4828 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4829
4a371c8d
JH		 48302009-03-28 Jan Hubicka <jh@suse.cz>
4831
4832 * cgraph.c (cgraph_function_body_availability): Functions declared
4833 inline are always safe to assume that it is not going to be replaced.
4834
6cdb0ee3
RG		 48352009-03-28 Richard Guenther <rguenther@suse.de>
4836
4837 PR tree-optimization/38513
4838 * tree-ssa-pre.c (eliminate): Remove redundant stores.
4839 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4840 EXC_PTR_EXPR and FILTER_EXPR.
4841 (get_ref_from_reference_ops): Likewise.
4842
8ca1fd76
RG		 48432009-03-28 Richard Guenther <rguenther@suse.de>
4844
4845 PR tree-optimization/38968
4846 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4847 Use FLOOR_MOD_EXPR to compute misalignment.
4848
a254e44d
RG		 48492009-03-28 Richard Guenther <rguenther@suse.de>
4850
4851 PR tree-optimization/37795
4852 * tree.h (combine_comparisons): Declare.
4853 * fold-const.c (combine_comparisons): Export.
4854 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
4855 comparisons.
4856 (ifcombine_iforif): Use combine_comparisons.
4857
a8ee227c
JH		 48582009-03-28 Jan Hubicka <jh@suse.cz>
4859
4860 * tree-eh.c (inlinable_call_p): New function.
4861 (make_eh_edges): Use it.
4862 (verify_eh_edges): Use it.
4863 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
4864 * except.c (reachable_next_level): Add inlinable_function argument
4865 (sjlj_find_directly_reachable_regions): Update.
4866 (add_reachable_handler): Do not set saw_any_handlers.
4867 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
4868 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
4869 Add new inlinable call parameter.
4870 (can_throw_internal, can_throw_external): Update.
4871 * except.h (can_throw_internal_1, can_throw_external_1,
4872 foreach_reachable_handler): Update declaration.
4873
52c0e446
JM		 48742009-03-28 Joseph Myers <joseph@codesourcery.com>
4875
4876 * config/arm/t-arm-coff, config/h8300/coff.h,
4877 config/i386/i386-aout.h, config/i386/i386-coff.h,
4878 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
4879 config/pdp11/2bsd.h, config/rs6000/aix41.h,
4880 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
4881 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
4882 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
4883 sys-types.h: Remove.
4884 * Makefile.in: Remove protoize and fixproto support and references
4885 in comments.
4886 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
4887 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
4888 Remove.
4889 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
4890 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
4891 unprotoize$(exeext).
4892 (rest.encap): Don't depend on $(STMP_FIXPROTO)
4893 (.PHONY): Don't depend on proto.
4894 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
4895 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
4896 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
4897 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
4898 build/gen-protos.o, build/scan.o, xsys-protos.h,
4899 build/fix-header$(build_exeext), build/fix-header.o,
4900 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
4901 stmp-install-fixproto): Remove.
4902 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
4903 SYSCALLS.c or fixproto files.
4904 (install-common): Don't install protoize.
4905 (install-headers-tar, install-headers-cpio, install-headers-cp):
4906 Don't depend on $(STMP_FIXPROTO).
4907 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
4908 install fixproto files or write out fixproto settings.
4909 (uninstall): Don't uninstall protoize.
4910 * config.gcc (use_fixproto): Remove.
4911 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
4912 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
4913 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
4914 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
4915 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
4916 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
4917 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
4918 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
4919 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
4920 * config/t-vxworks (STMP_FIXPROTO): Remove.
4921 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
4922 STMP_FIXPROTO): Remove.
4923 * config.in, configure: Regenerate.
4924 * crtstuff.c (gid_t, uid_t): Don't undefine.
4925 * doc/install.texi: Change m68k-coff to m68k-elf in example.
4926 (arm-*-coff, arm-*-aout: Remove target entries.
4927 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
4928 Remove mention of AIX 4.1.
4929 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
4930 * doc/invoke.texi (Running Protoize): Remove.
4931 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
4932 (Protoize Caveats): Remove.
4933 * tsystem.h: Update comments on headers assumed to exist.
4934
20a07f44
VM		 49352009-03-27 Vladimir Makarov <vmakarov@redhat.com>
4936
4937 * genautomata.c: Add a new year to the copyright. Add a new
4938 reference.
4939 (struct insn_reserv_decl): Add comments for member bypass_list.
4940 (find_bypass): Remove.
4941 (insert_bypass): New.
4942 (process_decls): Use insert_bypass.
4943 (output_internal_insn_latency_func): Output all bypasses with the
4944 same input insn in one switch case.
4945
4946 * rtl.def (define_bypass): Describe bypass choice.
4947 * doc/md.texi (define_bypass): Ditto.
4948
3a0d06c1
RB		 49492009-03-27 Richard Guenther <rguenther@suse.de>
4950
4951 * gimplify.c (mark_addressable): Export.
4952 * tree-flow.h (mark_addressable): Declare.
4953 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
4954 * tree-ssa.c (verify_phi_args): Verify that address taken
4955 variables have TREE_ADDRESSABLE set.
4956
49572009-03-27 Richard Guenther <rguenther@suse.de>
4958
4959 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
4960 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
4961 Do not mark decls TREE_ADDRESSABLE.
4962 (build_fold_addr_expr): Adjust.
4963 (fold_addr_expr): Remove.
4964 (fold_unary): Use build_fold_addr_expr.
4965 (fold_comparison): Likewise.
4966 (split_address_to_core_and_offset): Likewise.
4967 * coverage.c (tree_coverage_counter_addr): Mark the array decl
4968 TREE_ADDRESSABLE.
4969 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
4970 (gimplify_modify_expr_to_memcpy): Mark source and destination
4971 addressable.
4972 * omp-low.c (create_omp_child_function): Mark the object decl
4973 TREE_ADDRESSABLE.
4974 (lower_rec_input_clauses): Mark the var we take the address of
4975 TREE_ADDRESSABLE.
4976 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
4977
2ac26e15
L		 49782009-03-27 H.J. Lu <hongjiu.lu@intel.com>
4979
4980 PR middle-end/39315
4981 * cfgexpand.c (expand_one_stack_var_at): Change alignment
4982 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
4983
472c7fbd
RG		 49842009-03-27 Richard Guenther <rguenther@suse.de>
4985
4986 PR tree-optimization/39120
4987 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
4988 constraints.
4989 (handle_lhs_call): Process return constraints. Add escape
4990 constraints if necessary.
4991 (handle_const_call): Fill out return constraints. Make nested
4992 case more precise. Avoid consttmp if possible.
4993 (handle_pure_call): Fill out return constraints. Avoid
4994 callused if possible.
4995 (find_func_aliases): Simplify call handling.
4996
49972009-03-27 Richard Guenther <rguenther@suse.de>
4998
4999 PR tree-optimization/39120
5000 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
5001 as a representative.
5002 (solve_graph): Do propagate CALLUSED.
5003 (handle_pure_call): Use a scalar constraint from CALLUSED for
5004 the return value.
5005 (find_what_p_points_to): CALLUSED shall not appear in poins-to
5006 solutions.
5007
d9223014
L		 50082009-03-27 H.J. Lu <hongjiu.lu@intel.com>
5009
5010 PR c/39323
5011 * c-common.c (handle_aligned_attribute): Properly check alignment
5012 overflow. Use (1U << i) instead of (1 << i).
5013
ba20e309 5014 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
d9223014
L		 5015
5016 * expr.h (get_mem_align_offset): Updated.
5017
5018 * tree.h (tree_decl_common): Change align to "unsigned int" and
5019 move it before pointer_alias_set.
5020
689b689c
L		 50212009-03-27 H.J. Lu <hongjiu.lu@intel.com>
5022 Jakub Jelinek <jakub@redhat.com>
5023
5024 PR target/38034
5025 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
5026 gr_register_operand with gr_reg_or_0_operand.
5027 (cmpxchg_rel_di): Likewise.
5028 (sync_lock_test_and_set<mode>): Likewise.
5029
c619e982
L		 50302009-03-27 H.J. Lu <hongjiu.lu@intel.com>
5031
5032 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
5033 (true_regnum): Likewise.
5034
5035 * rtlanal.c (subreg_info): Moved to ...
5036 * rtl.h (subreg_info): Here. New.
5037 (subreg_get_info): New.
5038
5039 * rtlanal.c (subreg_get_info): Make it extern.
5040
51212b32
L		 50412009-03-27 H.J. Lu <hongjiu.lu@intel.com>
5042
5043 PR target/39472
5044 * config/i386/i386.c (ix86_abi): New.
5045 (override_options): Handle -mabi=.
ba20e309 5046 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
51212b32
L		 5047 (ix86_call_abi_override): Likewise.
5048 (init_cumulative_args): Likewise.
5049 (function_arg_advance): Likewise.
5050 (function_arg_64): Likewise.
5051 (function_arg): Likewise.
5052 (ix86_pass_by_reference): Likewise.
5053 (ix86_function_value_regno_p): Likewise.
5054 (ix86_build_builtin_va_list_abi): Likewise.
5055 (setup_incoming_varargs_64): Likewise.
5056 (is_va_list_char_pointer): Likewise.
5057 (ix86_init_machine_status): Likewise.
ba20e309 5058 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
51212b32
L		 5059 (ix86_function_type_abi): Return enum calling_abi. Rewrite
5060 for 64bit. Replace DEFAULT_ABI with ix86_abi.
ba20e309 5061 (ix86_function_abi): Make it static and return enum calling_abi.
51212b32
L		 5062 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
5063 with ix86_abi.
5064 (ix86_fn_abi_va_list): Updated.
5065
5066 * config/i386/i386.h (ix86_abi): New.
5067 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
5068 (CONDITIONAL_REGISTER_USAGE): Likewise.
5069 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
5070 (machine_function): Likewise.
5071
5072 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
5073 with ix86_abi.
5074 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
5075 (STACK_BOUNDARY): Likewise.
5076 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
5077
5078 * config/i386/i386.opt (mabi=): New.
5079
5080 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
5081 return enum calling_abi.
5082 (ix86_function_type_abi): Likewise.
5083 (ix86_function_abi): Removed.
5084
5085 * doc/invoke.texi: Document -mabi= option for x86.
5086
7338ea63
KG		 50872009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5088
5089 * builtins.c (real_dconstp): Delete.
5090 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
5091
68599f33
DS		 50922009-03-27 Dodji Seketeli <dodji@redhat.com>
5093 Jakub Jelinek <jakub@redhat.com>
5094
5095 PR debug/37959
5096 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
5097 (gen_subprogram_die): When a function is explicit, generate the
5098 DW_AT_explicit attribute.
5099 * langhooks.h (struct lang_hooks_for_decls): Add
5100 function_decl_explicit_p langhook.
5101 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
5102 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
5103
9f5e9983
JJ		 51042009-03-27 Jakub Jelinek <jakub@redhat.com>
5105
64d7685c
JJ		 5106 * builtins.c (fold_builtin_memory_op): Optimize memmove
5107 into memcpy if we can prove source and destination don't overlap.
5108
9f5e9983
JJ		 5109 * tree-inline.c: Include gt-tree-inline.h.
5110 (clone_fn_id_num): New variable.
5111 (clone_function_name): New function.
5112 (tree_function_versioning): Use it.
5113 * Makefile.in (GTFILES): Add tree-inline.c.
5114
e54d52a8
MM		 51152009-03-27 Mark Mitchell <mark@codesourcery.com>
5116
5117 * BASE-VER: Change to 4.5.0.
5118
e9d51dc6
XDL		 51192009-03-27 Xinliang David Li <davidxl@google.com>
5120
5121 PR tree-optimization/39557
5122 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
5123
4577cea1
XDL		 51242009-03-27 Xinliang David Li <davidxl@google.com>
5125
5126 PR tree-optimization/39548
2ba9daa7 5127 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
4577cea1
XDL		 5128 candidate check.
5129
0f7464f4
L		 51302009-03-27 H.J. Lu <hongjiu.lu@intel.com>
5131
5132 * c-common.c (pointer_int_sum): Use %wd on return from
5133 tree_low_cst.
5134
a8847a7f
L		 51352009-03-27 H.J. Lu <hongjiu.lu@intel.com>
5136
5137 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
5138 on return from tree_low_cst.
5139
b0957daf
AP		 51402009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
5141
5142 PR c++/36799
ba20e309
UB		 5143 * ginclude/stdarg.h (va_copy): Define also for
5144 __GXX_EXPERIMENTAL_CXX0X__.
b0957daf 5145
a5f805df
MLI		 51462009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5147
5148 PR c++/35652
5149 * builtins.h (c_strlen): Do not warn here.
5150 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
5151 * c-common.c (pointer_int_sum): Take an explicit location.
5152 Warn about offsets out of bounds.
5153 * c-common.h (pointer_int_sum): Adjust declaration.
5154
6f401211
RW		 51552009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5156
a5f805df
MLI		 5157 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
5158 markup glitch.
6f401211 5159
5a59b39e
JJ		 51602009-03-26 Jakub Jelinek <jakub@redhat.com>
5161
5162 PR c++/39554
5163 * opts.c (warn_if_disallowed_function_p): Don't assume
5164 get_callee_fndecl must return non-NULL.
5165
d5f89b53
VM		 51662009-03-26 Vladimir Makarov <vmakarov@redhat.com>
5167
5168 PR rtl-optimization/39522
5169 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
5170 when reg_reloaded_valid is set.
5171
61238a79
UW		 51722009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5173
5174 * config/spu/divv2df3.c: New file.
5175 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
5176 (DPBIT_FUNCS): Filter out _div_df.
5177
03f8829b
BS		 51782009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
5179
5180 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
5181 a jump insn, count that jump in the distance to the loop start.
5182
9fdcdc74
KK		 51832009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
5184
5185 PR target/39523
5186 * config/sh/sh.c (calc_live_regs): Fix condition for global
5187 registers except PIC_OFFSET_TABLE_REGNUM.
5188
46994828
KT		 51892009-03-25 Kai Tietz <kai.tietz@onevision.com>
5190
5191 PR/39518
5192 * doc/invoke.texi (-mconsole): New.
5193 (-mcygwin): New.
5194 (-mno-cygwin): New.
5195 (-mdll): New.
5196 (-mnop-fun-dllimport): New.
5197 (-mthread): New.
5198 (-mwin32): New.
5199 (-mwindows): New.
5200 (sub section "i386 and x86-64 Windows Options"): New.
5201
370017b4
RC		 52022009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
5203
5204 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
5205 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
5206
ae560440
RG		 52072009-03-25 Richard Guenther <rguenther@suse.de>
5208
5209 PR middle-end/39497
5210 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
5211 of -Wno-error.
5212
cd510f15
AM		 52132009-03-25 Andrey Belevantsev <abel@ispras.ru>
5214
5215 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
5216 neither of haifa/selective schedulers are working.
5217
44ab0f0e
RW		 52182009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5219
5220 * doc/invoke.texi (Debugging Options): Fix description of
5221 -fno-merge-debug-strings.
5222
ad9646c7
HPN		 52232009-03-24 Hans-Peter Nilsson <hp@axis.com>
5224
e6142656
HPN		 5225 * config/cris/libgcc.ver: New version-script.
5226 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
5227
ad9646c7
HPN		 5228 * configure.ac <GAS features, nop mnemonic>: Add pattern
5229 crisv32-*-* for "nop".
ba20e309 5230 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
ad9646c7
HPN		 5231 * configure: Regenerate.
5232
09ac4473
IR		 52332009-03-24 Ira Rosen <irar@il.ibm.com>
5234
5235 PR tree-optimization/39529
5236 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
5237 mark_sym_for_renaming for the tag copied to the new vector
5238 pointer.
5239
d94a427e
AL		 52402009-03-24 Arthur Loiret <aloiret@debian.org>
5241
ba20e309 5242 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
d94a427e
AL		 5243 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
5244 EXTRA_SPEC_FUNCTIONS.
5245 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
5246 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
5247 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
5248 -march and -mtune options.
5249
722d07aa
RC		 52502009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
5251
5252 * config/m68k/t-rtems: Add m5329 multilib.
5253
603f5959
DS		 52542009-03-24 Dodji Seketeli <dodji@redhat.com>
5255 Jakub Jelinek <jakub@redhat.com>
5256
5257 PR debug/39524
5258 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
5259 nodes.
5260
c5cdb03f
JJ		 52612009-03-23 Jakub Jelinek <jakub@redhat.com>
5262
5263 PR c/39495
5264 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
5265 instead of c_parser_expression_conv, if original_code isn't one of the
5266 4 allowed comparison codes, fail.
5267
3691626c
RG		 52682009-03-23 Richard Guenther <rguenther@suse.de>
5269
5270 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
5271 * tree.h (struct tree_type): Likewise.
5272 * reload.h (struct insn_chain): Likewise.
5273 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
5274 * function.h (struct function): Likewise.
5275 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
5276
88ccb72a
JJ		 52772009-03-23 Jakub Jelinek <jakub@redhat.com>
5278
5279 PR tree-optimization/39516
5280 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
5281
a583a67e
BM		 52822009-03-23 Bingfeng Mei <bmei@broadcom.com>
5283
2ba9daa7 5284 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
a583a67e
BM		 5285 should be set true if BITS_PER_WORD of target is bigger than 32
5286
f82162f8
HPN		 52872009-03-22 Hans-Peter Nilsson <hp@axis.com>
5288
5289 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
5290 Translate -B-options to -rpath-link. Correct existing
5291 rpath-link and conditionalize on !nostdlib.
5292
048fd785
RW		 52932009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5294
5295 * doc/extend.texi (Function Attributes, Variable Attributes):
5296 Fix typos.
5297 * doc/invoke.texi (Debugging Options, Optimize Options)
5298 (i386 and x86-64 Options, MCore Options): Likewise.
5299
6e75c1a9
JJ		 53002009-03-20 Jakub Jelinek <jakub@redhat.com>
5301
5302 PR debug/37890
5303 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
5304 it for block local namespace aliases.
5305 (gen_decl_die): Pass context_die to gen_namespace_die.
5306
ea1199ee
JJ		 53072009-03-19 Jakub Jelinek <jakub@redhat.com>
5308
5309 PR c/39495
5310 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
5311 minimum or maximum value.
5312
58929c10
AO		 53132009-03-19 Alexandre Oliva <aoliva@redhat.com>
5314
5315 * reginfo.c (globalize_reg): Recompute derived reg sets.
5316
234952b3
OS		 53172009-03-19 Ozkan Sezer <sezeroz@gmail.com>
5318
5319 PR target/39063
5320 * libgcc2.c (mprotect): Do not use signed arguments for
5321 VirtualProtect, use DWORD arguments. Also fix the 'may
5322 be used uninitialized' warning for the np variable.
5323
f57c2f04
JJ		 53242009-03-19 Jakub Jelinek <jakub@redhat.com>
5325
5326 PR target/39496
5327 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
5328 functions using regparm calling conventions when not optimizing.
5329 (ix86_function_sseregparm): Similarly for sseregparm calling
5330 conventions.
5331
9e517d61
LF		 53322009-03-19 Li Feng <nemokingdom@gmail.com>
5333
5334 PR middle-end/39500
5335 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
5336 dependence if the first conflict is after niter iterations.
5337
8ef20026
HPN		 53382009-03-19 Hans-Peter Nilsson <hp@axis.com>
5339
5340 PR middle-end/38609
5341 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
5342 functions with dynamic stack-pointer adjustments.
5343
64e4a1a6
BE		 53442009-03-19 Ben Elliston <bje@au.ibm.com>
5345
5346 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
5347 option; change to -msdata=data.
5348
9a0f3e86
RW		 53492009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5350
5351 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
5352 and -fopenmp.
5353
09bc5979
EB		 53542009-03-18 Eric Botcazou <ebotcazou@adacore.com>
5355
5356 PR target/35180
5357 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
5358
332459cd
SL		 53592009-03-18 Sandra Loosemore <sandra@codesourcery.com>
5360
5361 * doc/invoke.texi (Code Gen Options): Expand discussion of
5362 -fno-common.
5363
8f5929e1
JJ		 53642009-03-18 Jakub Jelinek <jakub@redhat.com>
5365
5366 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
5367 * matrix-reorg.c (struct matrix_info): Likewise.
5368 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
5369 * rtl.h (struct mem_attrs): Likewise.
5370 * df.h (struct df): Likewise.
5371 * tree-data-ref.h (struct data_dependence_relation): Likewise.
5372 * ira-int.h (struct ira_allocno): Likewise.
5373 * df-scan.c (struct df_collection_rec): Likewise.
5374 * ira.c (struct equivalence): Likewise.
5375 * function.c (struct temp_slot): Likewise.
5376 * cfgloop.h (struct loop): Likewise.
5377
d130d647
JJ		 5378 PR debug/39485
5379 * function.c (use_register_for_decl): When not optimizing, disregard
5380 register keyword for variables with types containing methods.
5381
9968d233
SP		 53822009-03-18 Sebastian Pop <sebastian.pop@amd.com>
5383
5384 PR middle-end/39447
5385 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
5386 (is_simple_operand): Call contains_component_ref_p before calling data
5387 reference analysis that would fail on COMPONENT_REFs.
5388
5389 * tree-vrp.c (search_for_addr_array): Fix formatting.
5390
69484bfd
RG		 53912009-03-18 Richard Guenther <rguenther@suse.de>
5392
5393 * tree-vect-transform.c (vect_loop_versioning): Fold the
5394 generated comparisons.
5395 * tree-vectorizer.c (set_prologue_iterations): Likewise.
5396 (slpeel_tree_peel_loop_to_edge): Likewise.
5397
66811228
RW		 53982009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5399
0631b69f
RW		 5400 PR middle-end/37805
5401 * opts.c (print_specific_help): In addition to `undocumented',
5402 accept `separate' and `joined' flags if passed alone. Describe
5403 output by the first matched one of those.
5404 (common_handle_option): Skip over empty strings.
5405 * gcc.c (display_help): Fix help string for `--help='.
5406 * doc/invoke.texi (Option Summary, Overall Options): With
5407 `--help=', classes and qualifiers can both be repeated, but
5408 only the latter can be negated. One should not pass only
5409 negated qualifiers. Fix markup and examples.
5410
66811228
RW		 5411 Revert
5412 2008-10-14 Jakub Jelinek <jakub@redhat.com>
5413 PR middle-end/37805
5414 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
5415 and -fhelp=separate.
5416
3c072c6b
JY		 54172009-03-17 Jing Yu <jingyu@google.com>
5418
5419 PR middle-end/39378
80c65208
JY		 5420 * function.h (struct rtl_data): Move is_thunk from here...
5421 (struct function): ...to here.
5422 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
3c072c6b
JY		 5423 * varasm.c (assemble_start_function): Change is_thunk from crtl to
5424 cfun.
80c65208
JY		 5425 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
5426 cfun.
5427 (alpha_does_function_need_gp, alpha_start_function): Likewise.
5428 (alpha_output_function_end_prologue): Likewise.
5429 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
5430 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
5431 (rs6000_output_function_epilogue): Likewise.
5432 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
3c072c6b 5433
9ade279b
UB		 54342009-03-17 Uros Bizjak <ubizjak@gmail.com>
5435
5436 PR target/39482
5437 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
5438 from different units in a single alternative.
5439 (*truncdfsf_i387): Ditto.
5440 (*truncxfsf2_mixed): Ditto.
5441 (*truncxfdf2_mixed): Ditto.
5442
16e60c17
JJ		 54432009-03-17 Jakub Jelinek <jakub@redhat.com>
5444
98381eb4
JJ		 5445 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
5446 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
5447
df5deb18
JJ		 5448 PR debug/39474
5449 * tree-ssa-live.c (remove_unused_locals): Don't remove local
5450 unused non-artificial variables when not optimizing.
5451
a3f596ba
JJ		 5452 PR debug/39471
5453 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
5454 DW_TAG_imported_module even if decl is IMPORTED_DECL with
5455 NAMESPACE_DECL in its DECL_INITIAL.
5456
6b2b8871
JJ		 5457 PR middle-end/39443
5458 * optabs.c (set_user_assembler_libfunc): New function.
5459 * expr.h (set_user_assembler_libfunc): New prototype.
5460 * c-common.c: Include libfuncs.h.
5461 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
5462 for memcmp, memset, memcpy, memmove and abort.
5463 * Makefile.in (c-common.o): Depend on libfuncs.h.
5464
16e60c17
JJ		 5465 PR debug/39412
5466 * dwarf2out.c (gen_inlined_enumeration_type_die,
5467 gen_inlined_structure_type_die, gen_inlined_union_type_die,
5468 gen_tagged_type_instantiation_die): Removed.
5469 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
5470 do nothing.
5471
4d936aca
JJ		 54722009-03-17 Janis Johnson <janis187@us.ibm.com>
5473
5474 PR testsuite/38526
5475 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
5476 its use.
5477 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
5478 (check-parallel-%): Ditto.
5479 (check-consistency): Ditto.
5480
4e9b2e50
KT		 54812009-03-17 Kai Tietz <kai.tietz@onevision.com>
5482
5483 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
5484 local variable rhs by NULL_TREE.
5485
21440b2d
L		 54862009-03-17 H.J. Lu <hongjiu.lu@intel.com>
5487
5488 PR target/39477
9ade279b 5489 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
21440b2d 5490
d8905c6a
L		 54912009-03-17 H.J. Lu <hongjiu.lu@intel.com>
5492
5493 PR target/39476
9ade279b 5494 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
d8905c6a
L		 5495
54962009-03-17 H.J. Lu <hongjiu.lu@intel.com>
435a61d3
L		 5497
5498 PR target/39473
5499 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
5500 for ms->sysv ABI calls only in 64bit mode.
5501
5502 * config/i386/i386.md (untyped_call): Support 32bit.
5503
cdcabece
L		 55042009-03-16 H.J. Lu <hongjiu.lu@intel.com>
5505
5506 * doc/extend.texi: Replace x86_65 with x86_64.
5507
97b4ba9f
JJ		 55082009-03-16 Jakub Jelinek <jakub@redhat.com>
5509
5510 PR tree-optimization/39455
5511 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
5512 mismatches for POINTER_TYPE_P (type).
5513 (number_of_iterations_le): Likewise.
5514
83c191e1
HS		 55152009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
5516
5517 * config/picochip/picochip.c: Removed profiling support.
5518 * config/picochip/picochip.md: Removed profiling instruction.
5519 * config/picochip/picochip.h: Removed profiling builtin.
5520
f38095f3
JM		 55212009-03-16 Joseph Myers <joseph@codesourcery.com>
5522
5523 * doc/install.texi (--with-host-libstdcxx): Document.
5524
2cb4817b
AS		 55252009-03-14 Anatoly Sokolov <aesok@post.ru>
5526
5527 PR target/34299
5528 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
5529 generate a warning if the function name does not begin with
5530 "__vector" and the function has either the 'signal' or 'interrupt'
5531 attribute, from here to ...
5532 (avr_declare_function_name): ...here. New function.
5533 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
5534 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
5535
39b2ac74
JJ		 55362009-03-14 Jakub Jelinek <jakub@redhat.com>
5537
5538 PR bootstrap/39454
5539 * cse.c (fold_rtx): Don't modify original const_arg1 when
5540 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
5541 separate variable instead.
5542 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
5543 from out of range shift counts.
5544 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
5545
ad41bd84 55462009-03-13 Catherine Moore <clm@codesourcery.com>
f7a82dee 5547
9ade279b 5548 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
f7a82dee
CM		 5549 diagnostic.h with $(DIAGNOSTIC_H).
5550
ad41bd84 55512009-03-12 Jakub Jelinek <jakub@redhat.com>
03a18198
JJ		 5552
5553 PR target/39431
5554 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
5555 predicate.
5556 * config/i386/sync.md (sync_compare_and_swap<mode>,
5557 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
5558 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
5559 into a register.
5560 (sync_double_compare_and_swapdi_pic,
5561 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
5562 cmpxchg8b_pic_memory_operand instead of just memory_operand.
5563
122c59c7
L		 55642009-03-12 H.J. Lu <hongjiu.lu@intel.com>
5565
5566 PR target/39445
9ade279b 5567 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
122c59c7 5568
cec8874f
L		 55692009-03-12 H.J. Lu <hongjiu.lu@intel.com>
5570
5571 PR target/39327
5572 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
5573 (avx_addsubv4df3): Likewise.
5574 (*avx_addsubv4sf3): Likewise.
5575 (sse3_addsubv4sf3): Likewise.
5576
bbb52802
L		 55772009-03-12 H.J. Lu <hongjiu.lu@intel.com>
5578
5579 PR target/38824
9ade279b 5580 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
bbb52802 5581
a812fb07
VM		 55822009-03-12 Vladimir Makarov <vmakarov@redhat.com>
5583
5584 PR debug/39432
5585 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
5586 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
5587 registers for allocnos created from user-defined variables.
5588
4caab5ba
UW		 55892009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5590
5591 PR target/39181
5592 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
5593 of non-integer mode as well.
5594
498e51ca
AN		 55952009-03-11 Adam Nemet <anemet@caviumnetworks.com>
5596
5597 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
5598 for functions for which the parameter types are unknown.
5599
9bfaf89d
JJ		 56002009-03-11 Jakub Jelinek <jakub@redhat.com>
5601
5602 PR target/39137
9ade279b 5603 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9bfaf89d
JJ		 5604 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
5605 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
5606 * config/i386/i386.c (ix86_local_alignment): For
5607 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
5608 long long variables on the stack to avoid dynamic realignment.
5609 Allow the first argument to be a decl rather than type.
5610 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
5611
18a3bdcb
NC		 56122009-03-11 Nick Clifton <nickc@redhat.com>
5613
5614 PR target/5362
40190a76
NC		 5615 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
5616 options.
5617 Add description to mno-lsim option.
5618 * config/mcore/mcore.h: Remove comment about deprecated m4align
5619 option.
5620 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
5621 * doc/invoke.texi: Add description of mno-lsim and
5622 mstack-increment options.
5623
18a3bdcb
NC		 5624 * config/fr30/fr30.opt: Document the -mno-lsim option.
5625 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
5626 and -mno-lsim options.
5627
dc215785
UW		 56282009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5629
5630 * fold-const.c (fold_comparison): Only call fold_inf_compare
5631 if the mode supports infinities.
5632
7716876b
JM		 56332009-03-11 Jason Merrill <jason@redhat.com>
5634
5635 PR debug/39086
5636 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
5637 end already did. Notice GIMPLE_CALL modifications of the result.
5638 Don't copy debug information from an ignored decl or a decl from
5639 another function.
5640
ddef83d2
RG		 56412009-03-10 Richard Guenther <rguenther@suse.de>
5642 Nathan Froyd <froydnj@codesourcery.com>
5643
5644 PR middle-end/37850
9ade279b 5645 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
ddef83d2
RG		 5646 (__divMODE3): Likewise.
5647
9a9ba8d9
JJ		 56482009-03-09 Jakub Jelinek <jakub@redhat.com>
5649
5650 PR tree-optimization/39394
5651 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
5652 DECL_SIZE_UNIT of variable length FIELD_DECLs.
5653
929b7fc3
AK		 56542009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5655
5656 * recog.c (verfiy_changes): Disallow renaming of hard regs in
5657 inline asms for register asm ("") declarations.
5658
1803581d
EB		 56592009-03-09 Eric Botcazou <ebotcazou@adacore.com>
5660
5661 * fold-const.c (fold_unary): Fix comment.
5662
8454d27e
JH		 56632009-03-07 Jan Hubicka <jh@suse.cz>
5664
5665 PR target/39361
969a5433
JJ		 5666 * tree-inline.c (setup_one_parameter): Do replacement of const
5667 argument by constant in SSA form.
8454d27e 5668
3a695389
UW		 56692009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5670
5671 PR middle-end/38028
5672 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
5673 determine alignment passed to assign_stack_local.
5674 (assign_parms_unsplit_complex): Likewise.
5675 * except.c (sjlj_build_landing_pads): Likewise.
5676
9f0e7885
JJ		 56772009-03-06 Jakub Jelinek <jakub@redhat.com>
5678
65401a0b
JJ		 5679 PR middle-end/39360
5680 * tree-flow.h (add_referenced_var): Return bool instead of void.
5681 * tree-dfa.c (add_referenced_var): Return result of
5682 referenced_var_check_and_insert call.
5683 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
5684 of referenced_var_check_and_insert.
5685
9f0e7885 5686 PR debug/39372
9ade279b 5687 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9f0e7885
JJ		 5688 (gen_variable_die): Emit DW_AT_location on abstract static variable's
5689 DIE, don't emit it if abstract origin already has it.
5690 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
5691 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
5692
3b664bd1
JBG		 56932009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5694
ba20e309 5695 * genpreds.c (needs_variable): Fix parentheses at variable name
3b664bd1
JBG		 5696 detection.
5697 (write_tm_constrs_h): Indent generated code.
5698
d8f8ca80
RR		 56992009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5700
5701 * doc/extend.texi (Function Attributes): Add documentation
5702 for isr attributes.
5703
6c3d550c
JJ		 57042009-03-06 Jakub Jelinek <jakub@redhat.com>
5705
5706 PR debug/39387
5707 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
5708 take locus from its DECL_SOURCE_LOCATION instead of input_location.
5709
f9e96751
BS		 57102009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
5711
5712 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
5713 the loop as bad.
5714
ee0ee7e2
JJ		 57152009-03-05 Jakub Jelinek <jakub@redhat.com>
5716
5717 PR debug/39379
5718 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
5719 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
5720
6c6094f1
UB		 57212009-03-05 Uros Bizjak <ubizjak@gmail.com>
5722
5723 * config/i386/i386.md (R8_REG, R9_REG): New constants.
5724 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
5725 constants instead of magic numbers.
5726 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
5727 (QI_REG_P): Ditto.
5728 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
5729 (x86_64_ms_abi_int_parameter_registers): Ditto.
5730 (x86_64_int_return_registers): Ditto.
09f8a8d3 5731 (ix86_maybe_switch_abi): Ditto.
6c6094f1
UB		 5732 (ix86_expand_call): Ditto for clobbered_registers array.
5733 (ix86_hard_regno_mode_ok): Ditto.
5734 (x86_extended_QIreg_mentioned_p): Ditto.
5735
b267bd41
R		 57362009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
5737
6c6094f1 5738 PR tree-optimization/39349
1f3ad3f0
R		 5739 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
5740
b267bd41
R		 5741 * combine.c (gen_lowpart_for_combine): Use omode when generating
5742 clobber.
5743
1242bc9d
R		 57442009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
5745
6c6094f1 5746 PR rtl-optimization/39235
1242bc9d
R		 5747 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
5748
48f03606
ZD		 57492009-03-04 Zdenek Dvorak <ook@ucw.cz>
5750
5751 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
5752
b505e785
RG		 57532009-03-04 Richard Guenther <rguenther@suse.de>
5754
5755 PR tree-optimization/39362
5756 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
5757 that occur in abnormal PHIs should be varying.
5758
f017bf5e
ZD		 57592009-03-04 Zdenek Dvorak <ook@ucw.cz>
5760
5761 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
5762 Extend comments.
5763 (simple_iv): Take loop as an argument instead of statement.
5764 * tree-scalar-evolution.h (simple_iv): Declaration changed.
5765 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
5766 to simple_iv.
5767 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
5768 Ditto.
5769 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
5770 * matrix-reorg.c (analyze_transpose): Ditto.
5771 * tree-data-ref.c (dr_analyze_innermost): Ditto.
5772 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5773 * tree-predcom.c (ref_at_iteration): Ditto.
5774 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
5775
6a66f28e
RG		 57762009-03-04 Richard Guenther <rguenther@suse.de>
5777
5778 PR tree-optimization/39358
5779 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
5780 escaped_id and callused_id.
5781 (solve_graph): Likewise.
5782
57e454ee
RG		 57832009-03-04 Richard Guenther <rguenther@suse.de>
5784
5785 PR tree-optimization/39339
5786 * tree-sra.c (try_instantiate_multiple_fields): Make it
5787 no longer ICE on the above.
5788
a6fe9ed4
JM		 57892009-03-03 Joseph Myers <joseph@codesourcery.com>
5790
5791 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
5792 that fits within Pmode.
5793
dc672951
SE		 57942009-03-03 Steve Ellcey <sje@cup.hp.com>
5795
5796 PR middle-end/10109
5797 * tm.texi (LIBCALL_VALUE): Update description.
5798
8b9d598f
SE		 57992009-03-03 Steve Ellcey <sje@cup.hp.com>
5800
5801 PR middle-end/34443
5802 * doc/extend.texi (section): Update description.
5803
13e4e36e
L		 58042009-03-03 H.J. Lu <hongjiu.lu@intel.com>
5805
5806 PR middle-end/39345
5807 * tree-inline.c (remapped_type): New.
5808 (can_be_nonlocal): Call remapped_type instead of remap_type.
5809
067dd3c9
JJ		 58102009-03-03 Jakub Jelinek <jakub@redhat.com>
5811
5812 PR fortran/39354
5813 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
5814 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
5815
9bd9f738
RG		 58162009-03-03 Richard Guenther <rguenther@suse.de>
5817
5818 PR middle-end/39272
5819 * tree.c (tree_nonartificial_location): New function.
5820 * tree.h (tree_nonartificial_location): Declare.
5821 * builtins.c (expand_builtin_memory_chk): Provide location
5822 of the call location for artificial function pieces.
5823 (maybe_emit_chk_warning): Likewise.
5824 (maybe_emit_sprintf_chk_warning): Likewise.
5825 (maybe_emit_free_warning): Likewise.
5826 * expr.c (expand_expr_real_1): Likewise.
5827
f07049c8
JJ		 58282009-03-03 Jakub Jelinek <jakub@redhat.com>
5829
5830 PR tree-optimization/39343
5831 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
5832 COMPONENT_REF t has ARRAY_TYPE.
5833
7d4fba4a
SP		 58342009-03-02 Sebastian Pop <sebastian.pop@amd.com>
5835
5836 PR middle-end/39335
5837 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5838 when the type precision of the induction variable should be
5839 larger than the type precision of nit.
5840 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5841 * graphite.c (graphite_loop_normal_form): Same.
5842 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5843
78168632
UB		 58442009-03-02 Uros Bizjak <ubizjak@gmail.com>
5845
5846 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
5847 (*call_1_rex64_ms_sysv): Use named constants instead of magic
6c6094f1 5848 numbers to describe clobbered registers.
78168632 5849 (*call_value_0_rex64_ms_sysv): Ditto.
6c6094f1
UB		 5850 * config/i386/mmx.md (mmx_emms): Ditto.
5851 (mmx_femms): Ditto.
78168632 5852
63553059
RS		 58532009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
5854
5855 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
5856 of ABI_64.
5857
500a1f85
UW		 58582009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5859
5860 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
5861 (spu_section_type_flags): New function.
5862
962aae34
UB		 58632009-03-02 Uros Bizjak <ubizjak@gmail.com>
5864
5865 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
5866 reg_class_contents of FLOAT_REGS into a temporary.
5867
6dfb529c 58682009-03-02 Richard Guenther <rguenther@suse.de>
962aae34 5869 Ira Rosen <irar@il.ibm.com>
6dfb529c
RG		 5870
5871 PR tree-optimization/39318
5872 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
5873 information to the vectorized statement.
5874
6b5629db
UB		 58752009-03-01 Uros Bizjak <ubizjak@gmail.com>
5876
434426d2
UB		 5877 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
5878 variable. Use defined names instead of magic constants for REX SSE
5879 registers.
6b5629db 5880
14e5b285
RG		 58812009-03-01 Richard Guenther <rguenther@suse.de>
5882
5883 PR tree-optimization/39331
5884 * omp-low.c (lower_send_shared_vars): Do not receive new
5885 values for the reference of DECL_BY_REFERENCE parms or results.
5886
526d73ab
JH		 58872009-03-01 Jan Hubicka <jh@suse.cz>
5888
5889 PR debug/39267
5890 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
5891 BLOCK_NONLOCALIZED_VAR): New macros.
5892 (tree_block): Add nonlocalized_vars.
f4ea99bd
EB		 5893 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
5894 gen_decl_die): Add origin argument. Allow generation of die with
5895 origin at hand only.
526d73ab 5896 (gen_member_die, gen_type_die_with_usage, force_decl_die,
f4ea99bd
EB		 5897 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
5898 of gen_*.
526d73ab
JH		 5899 (gen_block_die): Fix checking for unused blocks.
5900 (process_scope_var): Break out from .... ; work with origins only.
5901 (decls_for_scope) ... here; process nonlocalized list.
5902 (dwarf2out_ignore_block): Look for nonlocalized vars.
f4ea99bd
EB		 5903 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
5904 vars.
526d73ab
JH		 5905 (dump_scope_block): Dump them.
5906 * tree-inline.c (remap_decls): Handle nonlocalized vars.
5907 (remap_block): Likewise.
5908 (can_be_nonlocal): New predicate.
5909 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
5910
7a9d3fe8
RW		 59112009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5912
5913 * configure: Regenerate.
5914
b3cdf3cb
RW		 59152009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5916
a16d1645 5917 * optc-gen.awk: No need to duplicate option flags twice.
9ade279b 5918 Reuse help texts for duplicate options which do not have any.
a16d1645 5919
1156c176
RW		 5920 * gcc.c (display_help): Document --version.
5921
033505fc
RW		 5922 * gcc.c (main): If print_help_list and verbose_flag, ensure
5923 driver output comes before subprocess output.
5924
4d077054
RW		 5925 * optc-gen.awk: Assign all remaining fields to help string,
5926 space-separated, for multi-line help in *.opt.
5927
a072f1cf
RW		 5928 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
5929 -Wno-pedantic-ms-format is for MinGW targets only.
5930
b3cdf3cb
RW		 5931 * doc/options.texi (Option file format): Fix bad indentation,
5932 restoring dropped sentence.
5933
a3aadcc5
JH		 59342009-02-28 Jan Hubicka <jh@suse.cz>
5935
5936 * tree-inline.c (tree_function_versioning): Output debug info.
5937
1cf5abb3
JH		 59382009-02-28 Jan Hubicka <jh@suse.cz>
5939
5940 PR debug/39267
5941 * tree-inline.c (setup_one_parameter): Do not copy propagate
5942 arguments when not optimizing.
5943
c4d3f42f
L		 59442009-02-28 H.J. Lu <hongjiu.lu@intel.com>
5945
5946 PR target/39327
5947 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
5948 (avx_addsubv4df3): Likewise.
5949 (*avx_addsubv4sf3): Likewise.
5950 (sse3_addsubv4sf3): Likewise.
5951 (*avx_addsubv2df3): Likewise.
5952 (sse3_addsubv2df3): Likewise.
5953 (avx_unpckhps256): Correct item selectors.
5954 (avx_unpcklps256): Likewise.
5955 (avx_unpckhpd256): Likewise.
5956 (avx_unpcklpd256): Likewise.
5957
eb50f5f4
JH		 59582009-02-28 Jan Hubicka <jh@suse.cz>
5959
5960 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
5961 static vars.
5962 (copy_arguments_for_versioning): If var is declared don't declare it.
5963 (tree_function_versioning): First setup substitutions and then copy
5964 args.
5965
26140130
JH		 59662009-02-27 Jan Hubicka <jh@suse.cz>
5967
5968 PR debug/39267
5969 * cgraph.h (varpool_output_debug_info): Remove.
5970 * cgraphunit.c (varpool_output_debug_info): Remove.
5971 * dwarf2out.c (deferred_locations_struct): New struct
5972 (deferred_locations): New type.
5973 (deferred_locations_list): New static var.
5974 (deffer_location): New function.
5975 (gen_variable_die): Use it.
5976 (decls_for_scope): Output info on local static vars.
5977 (dwarf2out_finish): Process deferred locations.
5978 * varpool.c (varpool_output_debug_info): Remove.
5979
cff7525f
JH		 59802009-02-27 Jan Hubicka <jh@suse.cz>
5981
5982 PR debug/39267
5983 * tree.h (TREE_PROTECTED): Fix comment.
5984 (BLOCK_HANDLER_BLOCK): Remove.
5985 (struct tree_block): Remove handler_block add body_block.
5986 (inlined_function_outer_scope_p): New.
5987 (is_body_block): Remove.
5988 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
5989 * dwarf2out.c (is_inlined_entry_point): Remove.
5990 (add_high_low_attributes): Use inlined_function_outer_scope_p.
f10a1c6c
EB		 5991 (gen_block_die): Use is_inlined_entry_point check. Remove body block
5992 code.
cff7525f
JH		 5993 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
5994 * gimplify.c (gimplify_expr): Gimplify body blocks.
f10a1c6c
EB		 5995 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
5996 block with multiple subblocks.
cff7525f
JH		 5997 (dump_scope_block): Prettier output; dump more flags and info.
5998 (dump_scope_blocks): New.
5999 (remove_unused_locals): Use dump_scope_blocks.
6000 * tree-flow.h (dump_scope_blocks): Declare.
6001 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
6002 * stmt.c (is_body_block): Remove.
6003 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
6004 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
6005
c20993b9
SP		 60062009-02-27 Sebastian Pop <sebastian.pop@amd.com>
6007
6008 PR middle-end/39308
2ba9daa7 6009 * graphite.c (graphite_loop_normal_form): Do not call
c20993b9
SP		 6010 number_of_iterations_exit from a gcc_assert.
6011
e3cba5e5
AK		 60122009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6013
ba20e309 6014 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
e3cba5e5
AK		 6015 jumps if COND is NULL.
6016 (find_cond_jump): New function.
6017 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
6018 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
6019
9dadeeb8
UB		 60202009-02-26 Uros Bizjak <ubizjak@gmail.com>
6021
6022 * config/alpha/alpha.h (alpha_expand_mov): Return false if
6023 force_const_mem returns NULL_RTX.
6024
625d3251
EB		 60252009-02-26 Jan Hubicka <jh@suse.cz>
6026
6027 PR debug/39267
6028 * cgraph.h (varpool_output_debug_info): Remove.
6029 * cgraphunit.c (varpool_output_debug_info): Remove.
6030 * dwarf2out.c (deferred_locations_struct): New struct
6031 (deferred_locations): New type.
6032 (deferred_locations_list): New static var.
6033 (deffer_location): New function.
6034 (gen_variable_die): Use it.
6035 (decls_for_scope): Output info on local static vars.
6036 (dwarf2out_finish): Process deferred locations.
6037 * varpool.c (varpool_output_debug_info): Remove.
6038
38432148 60392009-02-25 H.J. Lu <hongjiu.lu@intel.com>
8592acaf
L		 6040
6041 PR rtl-optimization/39241
6042 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
6043 to subreg_offset_representable_p.
6044
62d049cf
PB		 60452009-02-25 Paolo Bonzini <bonzini@gnu.org>
6046
6047 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
6048 execute function prototype. Get f and nregs from max_reg_num
6049 and get_insns. Remove the first backward pass as it's dead,
6050 guard the forward pass by flag_expensive_optimizations.
6051 (rest_of_handle_regmove): Delete.
6052 (pass_regmove): Replace it with regmove_optimize.
6053
f618d33e
MJ		 60542009-02-25 Martin Jambor <mjambor@suse.cz>
6055
6056 PR tree-optimization/39259
6057 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
6c6094f1 6058 calls_alloca function flags.
f618d33e
MJ		 6059 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
6060 calls are detected.
6061
c8a05f7c
PB		 60622009-02-25 Paolo Bonzini <bonzini@gnu.org>
6063
6064 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
6065 flags_set_1_rtx, flags_set_1_set): Delete.
6066 (regmove_optimize): Do not call mark_flags_life_zones.
6067
6d2538f5
JB		 60682009-02-24 Julian Brown <julian@codesourcery.com>
6069
6070 PR target/35965
6071 * config/arm/arm.c (require_pic_register): Only set
6072 cfun->machine->pic_reg once per function.
6073
a2fa6772
SL		 60742009-02-24 Sandra Loosemore <sandra@codesourcery.com>
6075
6076 * doc/invoke.texi (Link Options): Document an easier way to pass
9dadeeb8 6077 options that take arguments to the GNU linker using -Xlinker and -Wl.
a2fa6772 6078
5472de36
SE		 60792009-02-24 Steve Ellcey <sje@cup.hp.com>
6080
6081 PR target/33785
6082 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
6083
844216f3
RG		 60842009-02-24 Richard Guenther <rguenther@suse.de>
6085
6086 PR debug/39285
6087 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
6088
71adbef3 60892009-02-24 Richard Guenther <rguenther@suse.de>
8592acaf 6090 Zdenek Dvorak <ook@ucw.cz>
71adbef3
RG		 6091
6092 PR tree-optimization/39233
6093 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
6094 from converting them to a generic type.
6095
f1a558e0
SP		 60962009-02-23 Sebastian Pop <sebastian.pop@amd.com>
6097
6098 PR tree-optimization/39260
6099 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
6100 contains a condition with a real type.
6101 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
6102
d8028f2c
JM		 61032009-02-23 Jason Merrill <jason@redhat.com>
6104
6105 PR c++/38880
6106 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
6107 narrowing_initializer_constant_valid_p.
2ba9daa7 6108 (narrowing_initializer_constant_valid_p): Don't return
d8028f2c
JM		 6109 null_pointer_node for adding a pointer to itself.
6110
9283b513
JH		 61112009-02-23 Jan Hubicka <jh@suse.cz>
6112
6113 PR c/12245
9dadeeb8
UB		 6114 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
6115 resizing.
9283b513 6116
61e04322
JH		 61172009-02-23 Jan Hubicka <jh@suse.cz>
6118
9dadeeb8
UB		 6119 PR tree-optimization/37709
6120 * tree.c (block_ultimate_origin): Move here from dwarf2out.
6121 * tree.h (block_ultimate_origin): Declare.
6122 * dwarf2out.c (block_ultimate_origin): Move to tree.c
61e04322
JH		 6123 * tree-ssa-live.c (remove_unused_scope_block_p):
6124 Eliminate blocks containig no instructions nor live variables nor
6125 nested blocks.
6126 (dump_scope_block): New function.
6127 (remove_unused_locals): Enable removal of dead blocks by default;
9dadeeb8 6128 enable dumping at TDF_DETAILS.
61e04322 6129
38432148 61302009-02-21 H.J. Lu <hongjiu.lu@intel.com>
5339d3ea
L		 6131
6132 * config/i386/i386.c (classify_argument): Don't allow COImode
6133 and OImode.
6134 (function_arg_advance_32): Don't allow OImode.
6135 (function_arg_32): Likewise.
6136 (function_value_32): Likewise.
6137 (return_in_memory_32): Likewise.
6138 (function_arg_64): Remove OImode comment.
6139
38432148 61402009-02-21 H.J. Lu <hongjiu.lu@intel.com>
f161e158
L		 6141
6142 PR target/39261
6143 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
6144 ix86_expand_vector_set for V4DImode in 64bit mode only.
6145 (ix86_expand_vector_init_one_var): Likewise.
6146
dcd739a6
SP		 61472009-02-21 Sebastian Pop <sebastian.pop@amd.com>
6148
6149 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
6150
6c3b938d
RS		 61512009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
6152
8e361f23 6153 PR bootstrap/39257
6c3b938d
RS		 6154 * loop-iv.c: Revert last change.
6155 * emit-rtl.c: Likewise.
6156
38432148 61572009-02-21 H.J. Lu <hongjiu.lu@intel.com>
4c64d3dd
L		 6158
6159 PR target/39256
6160 * config/i386/i386.c (type_natural_mode): Remove an extra
6161 space in the warning message.
6162 (function_value_32): Handle 32-byte vector modes.
6163 (return_in_memory_32): Likewise.
6164
2ec62529
RS		 61652009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
6166
6167 * loop-iv.c (truncate_value): New function.
6168 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
6169 of lowpart_subreg.
6170 (lowpart_subreg): Move to...
6171 * emit-rtl.c: ...here.
6172
ecb8c3cc 61732009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
f814e489 6174
ecb8c3cc
DS		 6175 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
6176 accidental and undocumented change at revision 140860.
6177
ae46a823
JM		 61782009-02-21 Joseph Myers <joseph@codesourcery.com>
6179
6180 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
6181 take gimple_seq * arguments.
6182 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
6183 types_compatible_p langhook.
6184
07d8efe3 61852009-02-20 Mark Mitchell <mark@codesourcery.com>
f814e489 6186 Joseph Myers <joseph@codesourcery.com>
07d8efe3
MM		 6187
6188 * config/arm/arm.c (arm_builtin_va_list): New function.
6189 (arm_expand_builtin_va_start): Likewise.
6190 (arm_gimplify_va_arg_expr): Likewise.
6191 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
6192 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
6193 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
6194 (va_list_type): New variable.
6195 (arm_mangle_type): Mangle va_list_type appropriately.
6196
b1fb9f56
JJ		 61972009-02-20 Jakub Jelinek <jakub@redhat.com>
6198
6199 PR middle-end/39157
6200 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
6201 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
6202 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
6203 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
6204 parameter to 1000 for -O1 by default.
6205 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
6206 parameter.
6207 * loop-invariant.c: Include params.h.
6208 (move_loop_invariants): Don't call move_single_loop_invariants on
6209 very large loops.
6210
5bc0807c
JM		 62112009-02-20 Jaka Mocnik <jaka@xlab.si>
6212
6213 * calls.c (emit_library_call_value_1): Use slot_offset instead of
6214 offset when calculating bounds for indexing stack_usage_map. Fixes
6215 a buffer overflow with certain target setups.
6216
c69cd1f5
JJ		 62172009-02-20 Jakub Jelinek <jakub@redhat.com>
6218
6219 PR target/39240
6220 * calls.c (expand_call): Clear try_tail_call if caller and callee
6221 disagree in promotion of function return value.
6222
09812622
JJ		 62232009-02-19 Jakub Jelinek <jakub@redhat.com>
6224
6225 PR target/39175
6226 * c-common.c (c_determine_visibility): If visibility changed and
6227 DECL_RTL has been already set, call make_decl_rtl to update symbol
6228 flags.
6229
68017cb4
L		 62302009-02-19 H.J. Lu <hongjiu.lu@intel.com>
6231
6232 PR c++/39188
6233 * varasm.c (assemble_variable): Don't check DECL_NAME when
6234 globalizing a variable.
6235
ab4194da
JM		 62362009-02-19 Joseph Myers <joseph@codesourcery.com>
6237
6238 PR c/38483
6239 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
6240 expression before any __builtin_trap call.
6241 * c-typeck.c (build_function_call): Convert and check function
6242 arguments before generating a call to a trap. Evaluate the
6243 function arguments before the trap.
6244
6b67572e
UB		 62452009-02-19 Uros Bizjak <ubizjak@gmail.com>
6246
6247 PR target/39228
6248 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
6249 (UNSPEC_FXAM_MEM): New unspec.
6250 (fxam<mode>2_i387_with_temp): New insn and split pattern.
6251 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
6252 memory using fxam<mode>2_i387_with_temp to remove excess precision.
6253
9e39dba6
RG		 62542009-02-19 Richard Guenther <rguenther@suse.de>
6255
6256 PR tree-optimization/39207
6257 PR tree-optimization/39074
6258 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
6259 storedanything_tree): New.
6260 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
6b67572e 6261 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9e39dba6
RG		 6262 (build_succ_graph): Add edges from STOREDANYTHING to all
6263 non-direct nodes.
6264 (init_base_vars): Initialize STOREDANYTHING.
6265 (compute_points_to_sets): Free substitution info after
6266 building the succ graph.
6267 (ipa_pta_execute): Likewise.
6268
6269 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
6270 field.
6271 (do_ds_constraint): Do not add to special var or non-pointer
6272 field solutions.
6273 (type_could_have_pointers): Split out from ...
6274 (could_have_pointers): ... here. For arrays use the element type.
6275 (create_variable_info_for): Initialize may_have_pointers.
6276 (new_var_info): Likewise.
6277 (handle_lhs_call): Make the HEAP variable unknown-sized.
6278 (intra_create_variable_infos): Use a type with pointers for
6279 PARM_NOALIAS, make it unknown-sized.
6280
fd7b2603
L		 62812009-02-18 H.J. Lu <hongjiu.lu@intel.com>
6282
6283 PR target/39224
6b67572e 6284 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
fd7b2603 6285
98b80692
JM		 62862009-02-18 Jason Merrill <jason@redhat.com>
6287
6288 PR target/39179
6289 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
6290 value if DECL_EXTERNAL.
6291 * tree-sra.c (sra_walk_gimple_assign): Likewise.
6292 * target.h (gcc_target::binds_local_p): Clarify "module".
6293 * tree.h (TREE_PUBLIC): Clarify "module".
6294
0705d3f4
L		 62952009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
6296
6297 PR target/38891
6298 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
6299 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
6300
bce08d50
L		 63012009-02-17 H.J. Lu <hongjiu.lu@intel.com>
6302
6303 PR target/39082
6304 * c.opt (Wabi): Support C and ObjC.
6305 (Wpsabi): New.
6306
6307 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
6308
6309 * config/i386/i386.c (classify_argument): Warn once about the ABI
6310 change when passing union with long double.
6311
6312 * doc/invoke.texi: Update -Wabi for warning psABI changes.
6313
5600f233
JM		 63142009-02-18 Joseph Myers <joseph@codesourcery.com>
6315
6316 PR c/35447
6317 * c-parser.c (c_parser_compound_statement): Always enter and leave
6318 a scope.
6319
8cd01fe6
JDA		 63202009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6321
6322 PR target/34587
6323 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
6324
418df9d7
JJ		 63252009-02-18 Jakub Jelinek <jakub@redhat.com>
6326
6327 PR tree-optimization/36922
6328 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
6329 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
6330 Likewise.
6331
082d2ebb
RS		 63322009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
6333
6334 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
6335 to 0 for EABI64.
6336
17de576c
RS		 63372009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
6338
6339 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
6340
6d8d5435
RS		 63412009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
6342
6343 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
6344 tree sharing.
6345
e69ff910
RB		 63462009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
6347 Richard Sandiford <rdsandiford@googlemail.com>
6348
6349 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
6350 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
6351 (loongson_biadd): ...this.
6352
6b24ee26
RG		 63532009-02-17 Richard Guenther <rguenther@suse.de>
6354
6355 PR tree-optimization/39202
6356 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
6357 a var make sure to follow existing collapses.
6358
91ab2c86
RG		 63592009-02-17 Richard Guenther <rguenther@suse.de>
6360
6361 PR middle-end/39214
6362 * langhooks.c (lhd_print_error_function): Check for NULL block.
6363
73a63870
RG		 63642009-02-17 Richard Guenther <rguenther@suse.de>
6365
6366 PR tree-optimization/39204
6367 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
6368 of the PHI arg.
6369
0e08f686
UB		 63702009-02-17 Uros Bizjak <ubizjak@gmail.com>
6371
6372 * config/soft-fp/double.h: Update from glibc CVS.
6373
a60b7ddb
RG		 63742009-02-17 Richard Guenther <rguenther@suse.de>
6375
6376 PR tree-optimization/39207
6377 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
6378 strict-aliasing warnings for pointers pointing to NULL.
6379
a47e20fd
JM		 63802009-02-16 Joseph Myers <joseph@codesourcery.com>
6381
6382 PR c/35446
6383 * c-parser.c (c_parser_braced_init): Call pop_init_level when
6384 skipping until next close brace.
6385
50aab7dc
L		 63862009-02-16 H.J. Lu <hongjiu.lu@intel.com>
6387
6388 PR target/37049
6389 * config/i386/i386.c (ix86_expand_push): Set memory alignment
6390 to function argument boundary.
6391
68e53db0
HS		 63922009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
6393
6394 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
6395 in the lea_add. Reload eventually constraints it properly.
6396 * config/picochip/constraints.md : Remove the target constraint
6397 "b", since it is not needed anymore.
6398
09e361bb
JJ		 63992009-02-16 Jakub Jelinek <jakub@redhat.com>
6400
6401 * gthr-dce.h: Uglify function parameter and local variable names.
6402 * gthr-gnat.h: Likewise.
6403 * gthr-mipssde.h: Likewise.
6404 * gthr-nks.h: Likewise.
6405 * gthr-posix95.h: Likewise.
6406 * gthr-posix.h: Likewise.
6407 * gthr-rtems.h: Likewise.
6408 * gthr-single.h: Likewise.
6409 * gthr-solaris.h: Likewise.
6410 * gthr-tpf.h: Likewise.
6411 * gthr-vxworks.h: Likewise.
6412 * gthr-win32.h: Likewise.
6413
47f5a48f
L		 64142009-02-15 H.J. Lu <hongjiu.lu@intel.com>
6415
6416 PR target/39196
6417 * config/i386/i386.md: Restrict the new peephole2 to move
6418 between MMX/SSE registers.
6419
68c9ab45
RG		 64202009-02-15 Richard Guenther <rguenther@suse.de>
6421
6422 Revert
6423 2009-02-13 Richard Guenther <rguenther@suse.de>
6424
6425 * configure.ac: Enable LFS.
6426 * configure: Re-generate.
6427 * config.in: Likewise.
6428
d7815554
UW		 64292009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6430
6431 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
6432 spu_srqwbyte, spu_srqwbytebc): Define.
6433 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
6434 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
6435 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
6436 "shrqby_<mode>"): New insn-and-split patterns.
6437 * config/spu/spu.c (expand_builtin_args): Determine and return
6438 number of operands using spu_builtin_description data.
6439 (spu_expand_builtin_1): Use it.
6440
c208436c
SE		 64412009-02-13 Steve Ellcey <sje@cup.hp.com>
6442
6443 PR target/38056
6444 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
6445 TARGET_CONST_GP.
6446
c2e7ba7e
L		 64472009-02-13 H.J. Lu <hongjiu.lu@intel.com>
6448
6449 PR target/39149
6450 * config/i386/i386.c (override_options): Correct warning
6c6094f1 6451 messages for -malign-loops, -malign-jumps and -malign-functions.
c2e7ba7e 6452
72f4e3a7
L		 64532009-02-13 H.J. Lu <hongjiu.lu@intel.com>
6454
6455 PR target/39152
6456 * config/i386/i386.md: Restrict the new peephole2 to move
6457 between the general purpose registers.
6458
53f648e2
L		 64592009-02-13 H.J. Lu <hongjiu.lu@intel.com>
6460
6461 PR target/39162
6462 * config/i386/i386.c (type_natural_mode): Add a new argument.
6b67572e 6463 Return the original mode and warn ABI change if vector size is 32byte.
53f648e2
L		 6464 (function_arg_advance): Updated.
6465 (function_arg): Likewise.
6466 (ix86_function_value): Likewise.
6467 (ix86_return_in_memory): Likewise.
6468 (ix86_sol10_return_in_memory): Likewise.
6469 (ix86_gimplify_va_arg): Likewise.
6470 (function_arg_32): Don't warn ABX ABI change here.
6471 (function_arg_64): Likewise.
6472
38432148 64732009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
b1c92d54
BS		 6474
6475 * loop-iv.c (implies_p): In the final case, test that operands 0
6476 of the two comparisons match.
6477
dd2139e7
BS		 6478 * config/bfin/bfin.c (find_prev_insn_start): New function.
6479 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
6480 (find_next_insn_start): Move.
6481
601b3e1a
RG		 64822009-02-13 Richard Guenther <rguenther@suse.de>
6483
6484 * configure.ac: Enable LFS.
6485 * configure: Re-generate.
6486 * config.in: Likewise.
6487
f007042e
JM		 64882009-02-13 Joseph Myers <joseph@codesourcery.com>
6489
6490 PR c/35444
6491 * c-parser.c (c_parser_parms_list_declarator): Discard pending
6492 sizes on syntax error after some arguments have been parsed.
6493
3f238e8b
JJ		 64942009-02-12 Jakub Jelinek <jakub@redhat.com>
6495
6496 * doc/invoke.texi (-fira): Remove.
6497
328e13b7
L		 64982009-02-12 H.J. Lu <hongjiu.lu@intel.com>
6499
6500 * caller-save.c: Replace regclass.c with reginfo.c in comments.
6501 * recog.c: Likewise.
6502 * rtl.h: Likewise.
6503
c252db20
L		 65042009-02-12 Uros Bizjak <ubizjak@gmail.com>
6505
6506 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
6507 (umul_ppmm): Likewise.
6508 (count_leading_zeros): Likewise.
6509 (count_trailing_zeros): Likewise.
6510 (UMUL_TIME): Likewise.
6511
65122009-02-12 H.J. Lu <hongjiu.lu@intel.com>
6513
ba181049
UB		 6514 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
6515 soft-fp/t-softfp to tmake_file.
c252db20
L		 6516
6517 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
ba181049
UB		 6518 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
6519 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
6520 IA64_BUILTIN_INFQ]: New.
c252db20
L		 6521 (ia64_init_builtins): Initialize __builtin_infq,
6522 __builtin_fabsq and __builtin_copysignq if not HPUX.
6523 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
6524 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
6525
6526 * config/ia64/lib1funcs.asm (__divtf3): Define only if
6527 SHARED is defined.
6528 (__fixtfti): Likewise.
6529 (__fixunstfti): Likewise.
6530 (__floattitf): Likewise.
6531
6532 * config/ia64/libgcc-glibc.ver: New.
6533 * config/ia64/t-fprules-softfp: Likewise.
6534 * config/ia64/sfp-machine.h: Likewise.
6535
6536 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
6537 (LIBGCC2_TF_CEXT): Likewise.
6538 (TF_SIZE): Likewise.
6539 (TARGET_INIT_LIBFUNCS): Likewise.
6540
ba181049 6541 * config/ia64/t-glibc (SHLINB_MAPFILES):
6b67572e 6542 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
c252db20 6543
f13eae6a
L		 65442009-02-12 H.J. Lu <hongjiu.lu@intel.com>
6545
6546 * config/i386/i386.c (construct_container): Rewrite processing
6547 BLKmode with X86_64_SSE_CLASS.
6548
12019aec
L		 65492009-02-12 Paolo Bonzini <bonzini@gnu.org>
6550
6551 PR target/39152
6552 * config/i386/i386.md: Replace simplify_replace_rtx with
6553 replace_rtx in the new peephole2.
6554
28c11eb3
NS		 65552009-02-12 Nathan Sidwell <nathan@codesourcery.com>
6556
6557 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
6558 loop unrolling do not happen at -O2.
6559
c7b94907
MM		 65602009-02-12 Michael Matz <matz@suse.de>
6561
6562 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
6563
61e98967
JJ		 65642009-02-12 Jakub Jelinek <jakub@redhat.com>
6565
6566 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
6567 for -g3.
6568
a2a237b5
BE		 65692009-02-12 Ben Elliston <bje@au.ibm.com>
6570
6571 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
6572 patterns when updating the back chain. Missed in the 2009-02-10
6573 change.
6574
853eda8d
JJ		 65752009-02-11 Janis Johnson <janis187@us.ibm.com>
6576
6577 * doc/extend.texi (Decimal Floating Types): Update identifier of
6578 draft TR and list of missing support.
6579
3ad6b266
JJ		 65802009-02-11 Jakub Jelinek <jakub@redhat.com>
6581
6582 PR middle-end/39154
6583 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
6584 bit to variable length decl's flags, add it also to its
6585 pointer replacement variable.
6586
b058b753
UB		 65872009-02-11 Uros Bizjak <ubizjak@gmail.com>
6588 Jakub Jelinek <jakub@redhat.com>
6589
6590 PR target/39118
6591 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
6592 (memory_blockage): New expander.
6593 (*memory_blockage): New insn pattern.
6594 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
6595 instead of general blockage at the end of function prologue when
6596 frame pointer is used to access red zone area. Do not emit blockage
6597 when profiling, it is emitted in generic code.
6598 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
6599 function epilogue when frame pointer is used to access red zone area.
6600
bab64f23
PB		 66012009-02-11 Paolo Bonzini <bonzini@gnu.org>
6602
0ce6dcfa 6603 PR target/38824
bab64f23
PB		 6604 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
6605 by arithmetic with memory operands.
6606 * config/i386/predicates.md (commutative_operator): New.
6607
8fd94bda
JJ		 66082009-02-10 Janis Johnson <janis187@us.ibm.com>
6609
6610 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
6611 bulleted lists.
6612
794511d2
EB		 66132009-02-10 Eric Botcazou <ebotcazou@adacore.com>
6614
6615 * alias.h (record_alias_subset): Declare.
6616 * alias.c (record_alias_subset): Make global.
6617
6da7fc87
NC		 66182009-02-10 Nick Clifton <nickc@redhat.com>
6619
6620 * tree-parloops.c: Change license to GPLv3.
6621 * ipa-struct-reorg.c: Change license to GPLv3.
6622 * ipa-struct-reorg.h: Change license to GPLv3.
6623
a03813c8
SE		 66242009-02-10 Steve Ellcey <sje@cup.hp.com>
6625
6626 PR c/39084
6627 * c-decl.c (start_struct): Return NULL on error.
6628
fc3103e7
JJ		 66292009-02-10 Jakub Jelinek <jakub@redhat.com>
6630
9b43d37b
JJ		 6631 PR middle-end/39124
6632 * cfgloopmanip.c (remove_path): Call remove_bbs after
6633 cancel_loop_tree, not before it.
6634
fc3103e7 6635 PR target/39139
b058b753 6636 * function.h (struct function): Add has_local_explicit_reg_vars bit.
fc3103e7
JJ		 6637 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
6638 VAR_DECLs were seen.
6639 * tree-ssa-live.c (remove_unused_locals): Recompute
6640 cfun->has_local_explicit_reg_vars.
6641 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
6642 copies or clearings if cfun->has_local_explicit_reg_vars.
6643
dbf9ee15
UB		 66442009-02-10 Uros Bizjak <ubizjak@gmail.com>
6645
6646 PR target/39118
6647 * config/i386/i386.c (expand_prologue): Emit blockage at the end
6648 of function prologue when frame pointer is used to access
6649 red zone area.
6650
bdec4dc7
RG		 66512009-02-10 Richard Guenther <rguenther@suse.de>
6652
6653 PR middle-end/39127
6654 * gimplify.c (gimple_regimplify_operands): Always look if
6655 we need to create a temporary.
6656
7cae94fc
RG		 66572009-02-10 Richard Guenther <rguenther@suse.de>
6658
6659 PR tree-optimization/39132
6660 * tree-loop-distribution.c (todo): New global var.
6661 (generate_memset_zero): Trigger TODO_rebuild_alias.
6662 (tree_loop_distribution): Return todo.
6663
a8800687
L		 66642009-02-10 H.J. Lu <hongjiu.lu@intel.com>
6665
6666 PR target/39119
6667 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
6668 (x86_64_reg_class_name): Removed.
6669 (classify_argument): Return 0 if bytes > 32. Return 0 if the
6670 first one isn't X86_64_SSE_CLASS or any other ones aren't
6671 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
6672 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
6673 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
6674 and 3 X86_64_SSEUP_CLASS.
6675 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
6676 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
6677
d4bacef0
BE		 66782009-02-10 Ben Elliston <bje@au.ibm.com>
6679
6680 * config/rs6000/rs6000.md (allocate_stack): Always use an update
6681 form instruction to update the stack back chain word, even if the
6682 user has disabled the generation of update instructions.
6683 (movdi_<mode>_update_stack): New.
6684 (movsi_update_stack): Likewise.
6685 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
6686 always use an update form instruction to update the stack back
6687 chain word.
6688
01d7d2f3
SP		 66892009-02-09 Sebastian Pop <sebastian.pop@amd.com>
6690
6691 PR middle-end/38953
b058b753
UB		 6692 * graphite.c (if_region_set_false_region): After moving a region in
6693 the false branch of a condition, remove the empty dummy basic block.
01d7d2f3
SP		 6694 (gloog): Remove wrong fix for PR38953.
6695
e41e2ab4
UW		 66962009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6697
6698 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
6699 generation due to implicit sign extension.
6700
4bb07c5d
EB		 67012009-02-09 Eric Botcazou <ebotcazou@adacore.com>
6702
6703 PR middle-end/38981
6704 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
6705 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
6706
f060a261
RG		 67072009-02-09 Richard Guenther <rguenther@suse.de>
6708
6709 PR middle-end/35202
6710 * convert.c (convert_to_real): Disable (float)fn((double)x)
6711 to fnf(x) conversion if errno differences may occur and
6712 -fmath-errno is set.
6713
5a7e237c
AS		 67142009-02-07 Anatoly Sokolov <aesok@post.ru>
6715
6716 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
6717 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6718 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6719
feab5a67
JM		 67202009-02-06 Joseph Myers <joseph@codesourcery.com>
6721
6722 PR c/35434
6723 * c-common.c (handle_alias_attribute): Disallow attribute for
6724 anything not a FUNCTION_DECL or VAR_DECL.
6725
90ef2296
JJ		 67262009-02-06 Janis Johnson <janis187@us.ibm.com>
6727
6728 PR c/39035
6729 * real.c (do_compare): Special-case compare of zero against
6730 decimal float value.
6731
1de2c900
JM		 67322009-02-06 Joseph Myers <joseph@codesourcery.com>
6733
6734 PR c/36432
6735 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
6736 as indicating flexible array members unless the field itself is
6737 being declarared as the incomplete array.
6738
e901811a
JH		 67392009-02-06 Jan Hubicka <jh@suse.cz>
6740
6741 PR tree-optimization/38844
6742 * ipa-inline.c (try_inline): Stop inlining recursion when edge
6743 is already inlined.
6744
3cfa762b
RG		 67452009-02-06 Richard Guenther <rguenther@suse.de>
6746
6747 PR middle-end/38977
6748 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
6749 fork because we may expand it as __gcov_fork.
6750
8506528c
NC		 67512009-02-06 Nick Clifton <nickc@redhat.com>
6752
dbf9ee15 6753 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
8506528c 6754
85169114
PB		 67552009-02-06 Paolo Bonzini <bonzini@gnu.org>
6756
6757 PR tree-optimization/35659
6758 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
6759 vn_phi_eq): Shortcut if hashcode does not match.
6760 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
6761 NULL operands.
6762 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
6763 and avoid iterative_hash_expr.
6764 (FOR_EACH_VALUE_ID_IN_SET): New.
6765 (value_id_compare): Remove.
6766 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
6767 sort expressions by value id.
6768
6d39673d
KK		 67692009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
6770
6771 PR target/38991
6772 * config/sh/predicates.md (general_movsrc_operand): Don't check
6773 the subreg of system registers here.
6774
e6e1c050
JJ		 67752009-02-05 Jakub Jelinek <jakub@redhat.com>
6776
6777 PR c++/39106
6778 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
6779 on the copied decl.
6780
65a74b5d
PB		 67812009-02-05 Paolo Bonzini <bonzini@gnu.org>
6782
6783 PR rtl-optimization/39110
6784 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
6785 addresses, not aligned ones.
6786
08e14b2a
DB		 67872009-02-05 Daniel Berlin <dberlin@dberlin.org>
6788 Richard Guenther <rguenther@suse.de>
6789
6790 PR tree-optimization/39100
6791 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
6792 comment says and add edges.
6793
5006381c
JM		 67942009-02-05 Joseph Myers <joseph@codesourcery.com>
6795
6796 PR c/35435
6797 * c-common.c (handle_tls_model_attribute): Ignore attribute for
6798 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
6799
2ba9daa7 68002009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
b0789219
TG		 6801
6802 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6803 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6804 register_bb_in_sese, new_sese, free_sese): Moved.
6805 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6806 outermost_loop_in_scop, build_scop_iteration_domain,
6807 expand_scalar_variables_ssa_name, get_vdef_before_scop,
6808 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6809 Use loop_in_sese_p instead of loop_in_scop_p.
6810 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
6811 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
6812 (scopdet_basic_block_info): Fix bug in scop detection.
6813 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6814 eq_loop_to_cloog_loop): Remove.
6815 (nb_loops_around_loop_in_scop, nb_loop
6816 ref_nb_loops): Moved here...
6817 * graphite.h (ref_nb_loops): ... from here.
6818 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
6819 (loop_domain_dim, loop_iteration_vector_dim): Remove.
6820 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6821 * testsuite/gcc.dg/graphite/scop-19.c: New
6822
48e8382e
PB		 68232009-02-04 Paolo Bonzini <bonzini@gnu.org>
6824 Hans-Peter Nilsson <hp@axis.com>
6825
6826 PR rtl-optimization/37889
6827 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
6828 Move offset handling from PLUS to before the switch. Use new
6829 arguments when considering SYMBOL_REFs too.
6830 (rtx_addr_can_trap_p): Pass dummy offset and size.
6831 (enum may_trap_p_flags): Remove.
6832 (may_trap_p_1): Pass size from MEM_SIZE.
6833
6834 PR rtl-optimization/38921
6835 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
6836 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
6837 * rtlanal.c (may_trap_after_code_motion_p): Delete.
6838 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
6839
69349ea5
L		 68402009-02-04 H.J. Lu <hongjiu.lu@intel.com>
6841
6842 AVX Programming Reference (January, 2009)
6843 * config/i386/sse.md (*vpclmulqdq): New.
6844
b545e411
JJ		 68452009-02-04 Jakub Jelinek <jakub@redhat.com>
6846
6847 PR tree-optimization/38977
6848 PR gcov-profile/38292
bf9b2cc9 6849 * calls.c (special_function_p): Disregard __builtin_ prefix.
b545e411 6850
5b43bf05
HS		 68512009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
6852
6853 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
6854 non-indexable addresses even before reload.
6855
062c4bb3
JM		 68562009-02-03 Joseph Myers <joseph@codesourcery.com>
6857
6858 PR c/29129
6859 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
6860 as having variable size. Do not give an error for unnamed
6861 parameters with [*] declarators. Give a warning for type names
6862 with [*] declarators and mark them as variable size.
6863 * c-parser.c (c_parser_sizeof_expression): Do not give an error
6864 for sizeof applied to [*] type names.
6865
6175f578
AP		 68662009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6867
6868 PR C++/36607
6869 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
6870
d4f4bc84
JJ		 68712009-02-03 Jakub Jelinek <jakub@redhat.com>
6872
6873 * gcc.c (process_command): Update copyright notice dates.
6874 * gcov.c (print_version): Likewise.
6875 * gcov-dump.c (print_version): Likewise.
6876 * mips-tfile.c (main): Likewise.
6877 * mips-tdump.c (main): Likewise.
6878
f6294de7
JM		 68792009-02-03 Joseph Myers <joseph@codesourcery.com>
6880
6881 PR c/35433
6882 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
6883 for composite type involving a zero-length array type.
6884
754ccf7c
JJ		 68852009-02-03 Jakub Jelinek <jakub@redhat.com>
6886
70f16287
JJ		 6887 PR target/35318
6888 * function.c (match_asm_constraints_1): Skip over
6889 initial optional % in the constraint.
6890
754ccf7c
JJ		 6891 PR inline-asm/39059
6892 * c-parser.c (c_parser_postfix_expression): If fixed point is not
6893 supported, don't accept FIXED_CSTs.
6894 * c-decl.c (finish_declspecs): Error if fixed point is not supported
6895 and _Sat is used without _Fract/_Accum. Set specs->type to
6896 integer_type_node for cts_fract/cts_accum if fixed point is not
6897 supported.
6898
965fdadf
CM		 68992009-02-02 Catherine Moore <clm@codesourcery.com>
6900
dbf9ee15 6901 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
965fdadf 6902
2e8a796f
RS		 69032009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
6904
6905 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
6906 (ABI_HAS_64BIT_SYMBOLS): Use it.
6907 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
6908
e0079468
PB		 69092009-02-02 Paul Brook <paul@codesourcery.com>
6910
6911 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
6912
eca72963
JJ		 69132009-02-02 Jakub Jelinek <jakub@redhat.com>
6914
6915 PR inline-asm/39058
6916 * recog.h (asm_operand_ok): Add constraints argument.
6917 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
6918 recurse on matching constraint.
6919 (check_asm_operands): Pass constraints as 3rd argument to
6920 asm_operand_ok. Don't look up matching constraint here.
6921 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
6922 to asm_operand_ok.
6923
b5bde9ff
BE		 69242009-02-02 Ben Elliston <bje@au.ibm.com>
6925
6926 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
6927 TARGET_NARROW_VOLATILE_BITFIELD macro names.
6928
30f3e427
JDA		 69292009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6930
be7659ba
JDA		 6931 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
6932 information. Remove some obsolete information. Reorganize.
6933
30f3e427
JDA		 6934 * config/pa/fptr.c: Revert license to GPL 2.
6935 * config/pa/milli64.S: Likewise.
6936
3cbfaf98
DK		 69372009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
6938
6939 PR target/38904
6940 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
6941 LIBRARY name in, instead of hard-coding it.
6942 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
6943 extra target make frag to tmake_files according to EH model.
6944 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
6945 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
6946 frags that define makefile variable EH_MODEL appropriately.
6947 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
6948 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
6949 to "-sjlj" according to type of EH configured.
6950 (LIBGCC_SONAME): Concatenate it to shared library base name.
6951 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
6952 to "_sjlj" according to type of EH configured.
6953 (LIBGCC_SONAME): Concatenate it to shared library base name.
6954 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
6955 (SHLIB_LINK): Add missing semicolon to if-else construct.
6956 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
6957 string value of "pe_dll" command-line option.
6958 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
6959 (SHLIB_SONAME): Use it when overriding t-cygming default.
6960 (SHLIB_IMPLIB): Override t-cygming default.
6961 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
6962 string value of "pe_dll" command-line option.
6963
8d0b6068
DK		 69642009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
6965
6966 PR target/38952
6967 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
bf9b2cc9 6968 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
8d0b6068 6969
14c28276
RG		 69702009-01-31 Richard Guenther <rguenther@suse.de>
6971
6972 PR tree-optimization/38937
6973 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
6974 computing the transitive closure.
6975
5f4d82c2
RG		 69762009-01-30 Richard Guenther <rguenther@suse.de>
6977
6978 PR tree-optimization/39041
6979 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
6980 Propagate variable indices only if the types match for this stmt.
6981
d0728ae0
JJ		 69822009-01-30 Jakub Jelinek <jakub@redhat.com>
6983
6984 PR target/39013
6985 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
6986 inline but never defined.
6987
6b67572e 69882009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
9fec758d
WG		 6989
6990 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
6991 (*insv_h_di_reg_extimm): New insn.
6992 (*insv_l<mode>_reg_extimm): New insn.
6993
69942009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
9e8be1e4
HS		 6995
6996 * config/picochip/picochip.c (flag_conserve_stack): set
6997 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
6998 fconserve-stack. Reduce call-overhead used by inliner.
6999
9fec758d 70002009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
df9198ab
HS		 7001
7002 PR/38157
7003 * common.opt (flag_conserve_stack): Initialised to zero.
7004
7f1c539c
KT		 70052009-01-30 Kai Tietz <kai.tietz@onevision.com>
7006
7007 PR/39002
7008 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
7009 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
7010 method.
7011
3631be48
L		 70122009-01-29 H.J. Lu <hongjiu.lu@intel.com>
7013
7014 * ira-color.c (allocno_reload_assign): Update comments.
7015 * regmove.c (regmove_optimize): Likewise.
7016
7017 * ra.h: Removed.
7018
416ac4d4
RM		 70192009-01-29 Robert Millan <rmh@aybabtu.com>
7020
7021 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
7022 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
7023 `MD_UNWIND_SUPPORT'.
7024 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
7025
d5e54bc1
KH		 70262009-01-29 Kazu Hirata <kazu@codesourcery.com>
7027
7028 PR tree-optimization/39007
7029 * tree-loop-distribution.c (generate_builtin): Use
7030 recompute_dominator to compute the immediate dominator of the
7031 basic block just after the loop.
7032
38432148 70332009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
e9e077fa
RO		 7034
7035 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
7036 (ASM_OUTPUT_DWARF_PCREL): Define.
7037
38432148 70382009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2af2dbdc
VM		 7039
7040 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
7041 * doc/passes.texi: Remove entries about regclass, local-alloc, and
7042 global. Modify entries about regmove and IRA.
7043
7044 * ra-conflict.c: Remove the file.
7045
7046 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
7047
7048 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
7049 (pass_regclass_init): Rename to pass_reginfo_init.
7050
7051 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
7052
7053 * toplev.h (flag_ira): Remove.
7054
7055 * caller-save.c (setup_save_areas): Remove flag_ira.
7056
bf9b2cc9 7057 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2af2dbdc
VM		 7058
7059 * global.c: Remove the file.
7060
ba20e309 7061 * opts.c (decode_options): Remove flag_ira.
2af2dbdc
VM		 7062
7063 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
7064
7065 * regmove.c: Modify file description.
7066 (find_use_as_address, try_auto_increment): Define them only if
7067 AUTO_INC_DEC is defined.
7068 (replacement_quality, replace_in_call_usage, fixup_match_1,
7069 stable_and_no_regs_but_for_p): Remove.
7070 (reg_set_in_bb): Make it static.
7071 (regmove_optimize): Remove flag_ira and code which worked for
7072 !flag_ira.
7073
7074 * local-alloc.c: Remove the file.
7075
7076 * common.opt (fira): Remove.
7077
7078 * ira.c: Include except.h.
7079 (eliminable_regset): Move from global.c.
7080 (mark_elimination): Ditto. Remove flag_ira.
7081 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
7082 equiv_mem_modified, validate_equiv_mem_from_store,
7083 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
7084 contains_replace_regs, memref_referenced_p, memref_used_between_p,
7085 no_equiv, recorded_label_ref): Move from local-alloc.c.
7086 (update_equiv_regs): Ditto. Make it static.
7087 (print_insn_chain, print_insn_chains): Move it from global.c.
bf9b2cc9 7088 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2af2dbdc
VM		 7089 (build_insn_chain): Ditto. Make it static.
7090 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
7091 Rename to init_live_subregs.
7092 (gate_ira): Remove flag_ira.
7093
7094 * regclass.c: Rename reginfo.c. Change file description.
7095 (FORBIDDEN_INC_DEC_CLASSES): Remove.
dbf9ee15 7096 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2af2dbdc
VM		 7097 (init_reg_sets_1): Remove code for evaluation of
7098 reg_class_superclasses and losing_caller_save_reg_set.
7099 (init_regs): Remove init_reg_autoinc.
7100 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
7101 ok_for_base_p_nonstrict): Remove.
bf9b2cc9 7102 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2af2dbdc
VM		 7103 (pass_regclass_init): Rename to pass_reginfo_init. Modify
7104 corresponding entries.
7105 (dump_regclass, record_operand_costs, scan_one_insn,
7106 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
7107 record_address_regs, auto_inc_dec_reg_p): Remove.
7108 (gt-regclass.h): Rename to gt-reginfo.h.
7109
7110 * rtl.h (dump_global_regs, retry_global_alloc,
bf9b2cc9 7111 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2af2dbdc
VM		 7112
7113 * Makefile.in (RA_H): Remove.
7114 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
7115 Rename regclass.o to reginfo.o.
7116 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
7117 gt-reginfo.h.
7118 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
7119 (GTFILES): Rename regclass.c to reginfo.c.
7120
7121 * passes.c (init_optimization_passes): Remove pass_local_alloc and
bf9b2cc9 7122 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2af2dbdc
VM		 7123
7124 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7125 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
7126 Remove flag_ira.
6b67572e 7127 (finish_spills): Ditto. Remove code for !flag_ira.
2ba9daa7 7128
c95b2534 71292009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
00b251a0
KZ		 7130
7131 PR middle-end/35854
7132 * doc/invoke.texi (rtl debug options): Complete rewrite.
7133 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
7134 to auto_inc_dec".
7135 * mode-switching.c (pass_mode_switching): Rename pass from
7136 "mode-sw" to "mode_sw".
7137 * except.c (pass_convert_to_eh_ranges): Rename pass from
7138 "eh-ranges" to "eh_ranges".
7139 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
7140 to "subreg1".
2ba9daa7
AS		 7141
7142
72a54528
AM		 71432009-01-29 Andrey Belevantsev <abel@ispras.ru>
7144 Alexander Monakov <amonakov@ispras.ru>
7145
7146 PR middle-end/38857
7147 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
7148 register.
7149 (move_exprs_to_boundary): Change return type and pass through
7150 should_move from move_op. Relax assert. Update usage ...
7151 (schedule_expr_on_boundary): ... here. Use should_move instead of
7152 cant_move.
7153 (move_op_orig_expr_found): Indicate that insn was disconnected from
7154 stream.
7155 (code_motion_process_successors): Do not call after_merge_succs
7156 callback if original expression was not found when traversing any of
7157 the branches.
7158 (code_motion_path_driver): Change return type. Update prototype.
7159 (move_op): Update comment. Add a new parameter (should_move). Update
7160 prototype. Set *should_move based on indication provided by
7161 move_op_orig_expr_found.
7162
001b9eb6
PH		 71632009-01-28 Pat Haugen <pthaugen@us.ibm.com>
7164
7165 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
7166 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
7167 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
7168 * config/rs6000/rs6000.c (rs6000_override_options): Default
7169 avoid-indexed-addresses on for Power6, off for everything else.
7170 (avoiding_indexed_address_p): New function.
7171 (rs6000_legitimize_address): Use it.
7172 (rs6000_legitimate_address): Likewise.
7173 * config/rs6000/rs6000.md (movXX_updateX): Likewise
7174
59dc4898
KH		 71752009-01-28 Kazu Hirata <kazu@codesourcery.com>
7176
7177 PR tree-optimization/38997
7178 * tree-loop-distribution.c (generate_memset_zero): Use
7179 POINTER_PLUS_EXPR for a pointer addition.
7180
07da44ab
AK		 71812009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
7182
7183 * config/s390/s390.md (bswap<mode>2): New pattern added.
7184
cdc15d23
WG		 71852009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
7186
7187 * config/s390/s390.md (*tls_load_31): Added type attribute.
7188
d46f24b6
WG		 71892009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
7190
7191 * config/s390/s390.md: Fix a few comments.
7192
729e750f
WG		 71932009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
7194
7195 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
7196 (*tm<mode>_full): Fixed z10prop attribute.
7197 (*tst<mode>_extimm): Fixed z10prop attribute.
7198 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
7199 (*tstqiCCT_cconly): Fixed z10prop attribute.
7200 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
7201 (*movsi_larl): Fixed z10prop attribute.
7202 (*movsi_zarch): Fixed z10prop attribute.
7203 (*movsi_eas): Fixed z10prop attribute.
7204 (*movhi): Fixed z10prop attribute.
7205 (*movqi): Fixed z10prop attribute.
7206 (*movstrictqi): Fixed z10prop attribute.
7207 (*mov<mode>): Fixed z10prop attribute.
7208 (*movcc): Fixed z10prop attribute.
7209 (*sethighpartdi_64): Fixed z10prop attribute.
7210 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
7211 (*negdi2_sign_cc): Fixed z10prop attribute.
7212 (*negdi2_sign): Fixed z10prop attribute.
7213 (*absdi2_sign_cc): Fixed z10prop attribute.
7214 (*absdi2_sign): Fixed z10prop attribute.
7215 (*negabsdi2_sign_cc): Fixed z10prop attribute.
7216 (*negabsdi2_sign): Fixed z10prop attribute.
7217 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
7218 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
7219 (doloop_si64): Fixed z10prop attribute.
7220 (doloop_si31): Fixed z10prop attribute.
7221 (doloop_long): Fixed z10prop attribute.
7222 (indirect_jump): Fixed z10prop attribute.
7223 (nop): Fixed z10prop attribute.
7224 (main_base_64): Fixed z10prop attribute.
7225 (reload_base_64): Fixed z10prop attribute.
7226
c7789bfb
JJ		 72272009-01-28 Jakub Jelinek <jakub@redhat.com>
7228
7229 PR rtl-optimization/38740
6b67572e
UB		 7230 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
7231 if !optimize.
c7789bfb
JJ		 7232 * config/mips/mips.c (mips_reorg): Likewise.
7233
de081cfd
RG		 72342009-01-28 Richard Guenther <rguenther@suse.de>
7235
7236 PR tree-optimization/38926
7237 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
7238 with the correct value id to a value.
7239 (do_regular_insertion): Use the value number of edoubleprime
7240 for the value number of the expr.
7241
7242 Revert
7243 2008-08-21 Richard Guenther <rguenther@suse.de>
bf9b2cc9 7244
d748c406
UB		 7245 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
7246 a PHI ask VN if it is already available.
7247 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
7248 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
de081cfd 7249
a9d386a1
JJ		 72502009-01-28 Jakub Jelinek <jakub@redhat.com>
7251
7252 PR middle-end/38934
7253 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
7254 set to varying whenever max has TREE_OVERFLOW set, similarly
7255 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
7256
97a170cd
RG		 72572009-01-28 Richard Guenther <rguenther@suse.de>
7258
7259 PR middle-end/38908
7260 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
7261 uninitialized aggregate uses in call arguments.
7262
89ebafc6
PB		 72632009-01-28 Paolo Bonzini <bonzini@gnu.org>
7264
7265 PR tree-optimization/38984
7266 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
7267 the nothing_id variable if -fno-delete-null-pointer-checks.
7268
bef3c57b
UB		 72692009-01-28 Uros Bizjak <ubizjak@gmail.com>
7270
7271 PR target/38988
7272 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
7273 (set_got_offset_rex64): Ditto.
7274
0c6390fa
L		 72752009-01-27 H.J. Lu <hongjiu.lu@intel.com>
7276
7277 PR target/38941
7278 * doc/extend.texi: Improve local variable with asm reg.
7279
bee6fa6d
AN		 72802009-01-27 Adam Nemet <anemet@caviumnetworks.com>
7281
7282 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
7283 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
7284 was not supplied then set warn_packed_bitfield_compat to the
7285 default value of 1.
7286 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
7287 against 1.
7288
b5c3dfbb
RG		 72892009-01-27 Richard Guenther <rguenther@suse.de>
7290
7291 PR tree-optimization/38503
7292 * cfgexpand.c (expand_gimple_basic_block): Ignore
7293 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
7294 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
7295 variables that cannot have TBAA applied.
7296 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
7297 statements.
7298
d748c406 72992009-01-27 Uros Bizjak <ubizjak@gmail.com>
576de5cb
UB		 7300
7301 PR middle-end/38969
7302 * calls.c (initialize_argument_information): Do not wrap complex
7303 arguments in SAVE_EXPR.
7304
9112bb38
AT		 73052009-01-26 Andreas Tobler <a.tobler@schweiz.org>
7306
7307 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
5efb79fc 7308 (INSTALL_LIBGCC): Revert typo commit.
9112bb38 7309
4757704f
RG		 73102009-01-26 Richard Guenther <rguenther@suse.de>
7311
7312 PR tree-optimization/38745
7313 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
7314 from special handling.
7315
e3e6cff4
RG		 73162009-01-26 Richard Guenther <rguenther@suse.de>
7317
7318 PR tree-optimization/38745
7319 * tree-ssa.c (execute_update_addresses_taken): Do not include
7320 variables that cannot possibly be a register in not_reg_needs.
7321 Do not clear TREE_ADDRESSABLE on vars that may not become
7322 registers.
7323 * tree-ssa.c (update_alias_info_1): Include those in the set
7324 of addressable vars.
7325
dc874b53
RG		 73262009-01-26 Richard Guenther <rguenther@suse.de>
7327
7328 PR middle-end/38851
7329 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
7330 * tree-ssa-dse.c: Include langhooks.h
7331 (execute_simple_dse): Remove stores with zero size.
7332
849421a3
JJ		 73332009-01-24 Jakub Jelinek <jakub@redhat.com>
7334
7335 PR c/38957
7336 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
7337 as PLUS_EXPR.
7338
82f70421
JB		 73392009-01-24 Julian Brown <julian@codesourcery.com>
7340
7341 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
7342 config/arm/linux-atomic.c.
7343 * config/arm/linux-atomic.c: New.
7344
863412d6
EB		 73452009-01-24 Eric Botcazou <ebotcazou@adacore.com>
7346
7347 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
7348 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
7349 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
7350
8c684300
L		 73512009-01-24 H.J. Lu <hongjiu.lu@intel.com>
7352
7353 PR c/38938
93f1527a 7354 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
8c684300
L		 7355 properly.
7356
b840fb02
SP		 73572009-01-24 Sebastian Pop <sebastian.pop@amd.com>
7358
7359 PR tree-optimization/38953
7360 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
7361 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
7362 (gloog): Split the exit of the scop when the scop exit is a loop exit.
7363 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
7364 changed the CFG.
7365
ecee559f
PB		 73662009-01-24 Paul Brook <paul@codesourcery.com>
7367
7368 * config/arm/neon.md (neon_type): Move to arm.md.
7369 (neon_mov<VSTRUCT>): Add neon_type attribute.
7370 * config/arm/arm.md (neon_type): Move to here.
7371 (conds): Add "unconditioal" and use as default for NEON insns.
7372
61ad0914
BE		 73732009-01-24 Ben Elliston <bje@au.ibm.com>
7374
7375 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
7376 void *' warning from -Wc++-compat.
7377 * Makefile.in (dominance.o-warn): Remove.
7378
38432148 73792009-01-23 Paolo Bonzini <bonzini@gnu.org>
9bacafeb
PB		 7380
7381 PR tree-optimization/38932
7382 * fold-const.c (fold_unary_ignore_overflow): New.
7383 * tree.h (fold_unary_ignore_overflow): Declare.
7384 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
7385 * tree-ssa-sccvn.c (visit_reference_op_load,
7386 simplify_unary_expression): Likewise.
7387
2cd36c22
AN		 73882009-01-22 Adam Nemet <anemet@caviumnetworks.com>
7389
7390 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
7391 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
7392 regardless of their type.
7393 * c-common.c (handle_packed_attribute): Don't ignore packed on
7394 bitfields.
7395 * c.opt (Wpacked-bitfield-compat): New warning option.
7396 * stor-layout.c (place_field): Warn if offset of a field changed.
7397 * doc/extend.texi (packed): Mention the ABI change.
7398 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
7399 (Warning Options): Add it to the list.
7400
e4e624ab
L		 74012009-01-22 H.J. Lu <hongjiu.lu@intel.com>
7402
7403 * c-opts.c (c_common_post_options): Fix a typo in comments.
7404
d0ea0759
SE		 74052009-01-22 Steve Ellcey <sje@cup.hp.com>
7406
7407 PR middle-end/38615
7408 * gimplify.c (gimplify_init_constructor): Fix promotion of const
7409 variables to static.
7410 * doc/invoke.texi (-fmerge-all-constants): Update description.
7411
87673f84
UB		 74122009-01-22 Uros Bizjak <ubizjak@gmail.com>
7413
7414 PR target/38931
7415 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
7416 (*movdi_1_rex64): Use type "mmx" for alternative 5.
7417
96339268
RE		 74182009-01-22 Richard Earnshaw <rearnsha@arm.com>
7419
7420 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
7421 a word boundary.
7422 (LOCAL_ALIGNMENT): Similarly.
7423
442dc742 74242009-01-22 Mark Shinwell <shinwell@codesourcery.com>
87673f84 7425 Joseph Myers <joseph@codesourcery.com>
442dc742
MS		 7426
7427 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
7428 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
7429 * config/arm/arm-tune.md: Regenerate.
7430 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
7431 -march=iwmmxt2.
7432
9b34732e
MS		 74332009-01-22 Mark Shinwell <shinwell@codesourcery.com>
7434
7435 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
7436 version number to five.
7437
03c2a308
DS		 74382009-01-22 Dodji Seketeli <dodji@redhat.com>
7439
7440 PR c++/38930
ba20e309 7441 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
03c2a308
DS		 7442 * c-common.c (set_underlying_type): Likewise.
7443 (is_typedef_decl ): Likewise
7444 * tree.h: Likewise
7445 (set_underlying_type): Likewise.
7446 (is_typedef_type): Likewise.
7447
1240d76e
VM		 74482009-01-21 Vladimir Makarov <vmakarov@redhat.com>
7449
7450 PR middle-end/38587
7451 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
7452 crossing setjmps.
7453
b8a1087d
DK		 74542009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7455
7456 PR bootstrap/37660
7457 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
7458 (LIBGCC_SPEC): Don't define.
7459 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
7460
435da628
UB		 74612009-01-21 Uros Bizjak <ubizjak@gmail.com>
7462
7463 PR rtl-optimization/38879
7464 * alias.c (base_alias_check): Unaligned access via AND address can
7465 alias all surrounding object types except those with sizes equal
7466 or wider than the size of unaligned access.
7467
d597b3ce
DS		 74682009-01-21 Dodji Seketeli <dodji@redhat.com>
7469
7470 PR c++/26693
ba20e309 7471 * c-decl.c (clone_underlying_type): Move this ...
d597b3ce 7472 * c-common.c (set_underlying_type): ... here.
435da628 7473 Also, make sure the function properly sets TYPE_STUB_DECL() on
d597b3ce
DS		 7474 the newly created typedef variant type.
7475 (is_typedef_decl ): New entry point.
7476 * tree.h: Added a new member member_types_needing_access_check to
7477 struct tree_decl_non_common.
7478 (set_underlying_type): New entry point.
7479 (is_typedef_type): Likewise.
7480
71a6fe66
BM		 74812009-01-21 Bingfeng Mei <bmei@broadcom.com>
7482
7483 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
7484 Check whether two instructions have memory references that
7485 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
7486 are helper functions for traversing.
7487 * alias.h (insn_alias_sets_confilict_p): New prototypes.
7488 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
7489 not to draw dependency edge for instructions with non-conflicting
7490 alias sets.
7491
5a248274
JM		 74922009-01-20 Joseph Myers <joseph@codesourcery.com>
7493
7494 PR other/38758
6b67572e
UB		 7495 * longlong.h: Update copyright years. Use soft-fp license notice.
7496 Sync __clz_tab declaration with glibc.
5a248274 7497
4b84f3de
SE		 74982009-01-20 Steve Ellcey <sje@cup.hp.com>
7499
7500 PR target/30687
7501 * doc/extend.texi (syscall_linkage): New.
7502 (version_id): Modify.
7503
37348bf1 75042009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
435da628 7505 Richard Guenther <rguenther@suse.de>
37348bf1
AP		 7506
7507 PR tree-optimization/38747
7508 PR tree-optimization/38748
7509 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
7510 conversion if the base address is an indirect reference and the
7511 aliasing sets could cause issues.
7512
d0a58904
SP		 75132009-01-20 Sebastian Pop <sebastian.pop@amd.com>
7514
2ba9daa7 7515 * common.opt (fgraphite, fgraphite-identity): Add comment for
d0a58904
SP		 7516 explaining why these options are not documented.
7517
71e7afb2
SP		 75182009-01-20 Sebastian Pop <sebastian.pop@amd.com>
7519
7520 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
7521 gimple_call_lhs is NULL.
7522
38432148 75232009-01-20 Paolo Bonzini <bonzini@gnu.org>
09efeca1
PB		 7524
7525 PR target/38868
7526 * emit-rtl.c (adjust_address_1): Make sure memref is never
7527 overwritten.
7528
cbb8dee3
BE		 75292009-01-20 Ben Elliston <bje@au.ibm.com>
7530
7531 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
435da628 7532 const qualifier from arg parameter. Remove unnecessary cast to char *.
cbb8dee3
BE		 7533 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
7534 const qualifier from arg 2.
7535
72c66596
IS		 75362009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
7537
435da628 7538 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
72c66596 7539
f68211cd
VM		 75402009-01-19 Vladimir Makarov <vmakarov@redhat.com>
7541
7542 PR c/38869
7543 * rtl.h (reinit_regs): New prototype.
7544 * regclass.c: Include ira.h.
7545 (reinit_regs): New.
7546 * Makefile.in (regclass.o): Add ira.h.
7547 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
7548
6e4f1168
L		 75492009-01-18 H.J. Lu <hongjiu.lu@intel.com>
7550
7551 PR target/38736
7552 * c-common.c (handle_aligned_attribute): Use
7553 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
7554 default alignment value.
7555
7556 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
7557
7558 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
7559 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
7560
7561 * doc/extend.texi: Update __attribute__ ((aligned)). Document
7562 __BIGGEST_ALIGNMENT__.
7563
7564 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
7565
890065bf
RG		 75662009-01-18 Richard Guenther <rguenther@suse.de>
7567
7568 PR tree-optimization/38819
7569 * tree-flow.h (operation_could_trap_helper_p): Declare.
7570 * tree-eh.c (operation_could_trap_helper_p): Export.
7571 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
7572 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
7573 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
7574 are about to insert a possibly trapping instruction and fail
7575 in this case.
7576
a729d731
AS		 75772009-01-18 Andreas Schwab <schwab@suse.de>
7578
7579 * doc/install.texi (Configuration): Remove obsolete paragraph
7580 about use of --with-gnu-ld with --with-gnu-as.
7581
a640c13b
KH		 75822009-01-18 Kazu Hirata <kazu@codesourcery.com>
7583
7584 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
7585 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
7586 Follow spelling conventions.
7587
dba2cc0c
BE		 75882009-01-18 Ben Elliston <bje@au.ibm.com>
7589
7590 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
7591 C++ warning about implicit conversion from void * to struct
7592 bitmap_head_def *.
7593 (bitmap_obstack_free): Likewise for bitmap_element *.
bc127c63 7594 * Makefile.in (bitmap.o-warn): Remove.
dba2cc0c 7595
2207a498
DK		 75962009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
7597
7598 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
7599
8137e465
SP		 76002009-01-17 Sebastian Pop <sebastian.pop@amd.com>
7601 Tobias Grosser <tobi.grosser@amd.com>
7602
7603 * graphite.c (graphite_trans_scop_block): Do not block single
7604 nested loops.
7605
5be1c58c
AO		 76062009-01-16 Alexandre Oliva <aoliva@redhat.com>
7607
7608 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
7609 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
7610 test with assertion.
7611
786ce82d
RG		 76122009-01-16 Richard Guenther <rguenther@suse.de>
7613
7614 PR tree-optimization/38835
7615 PR middle-end/36227
7616 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
7617 and INT + PTR -> (INT)(PTR p+ INT) folding.
7618 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
7619
c1cb09ad
AN		 76202009-01-16 Adam Nemet <anemet@caviumnetworks.com>
7621
7622 PR target/38554
7623 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
7624 the subreg from a lowpart subreg if it is also casting the value.
7625
bcab4e19
SP		 76262009-01-16 Sebastian Pop <sebastian.pop@amd.com>
7627 Tobias Grosser <tobi.grosser@amd.com>
7628
7629 * graphite.c (compare_prefix_loops): New.
7630 (build_scop_canonical_schedules): Rewritten.
7631 (graphite_transform_loops): Move build_scop_canonical_schedules
7632 after build_scop_iteration_domain.
7633
0b040072
SP		 76342009-01-16 Sebastian Pop <sebastian.pop@amd.com>
7635 Tobias Grosser <tobi.grosser@amd.com>
7636
2ba9daa7 7637 * graphite.c (add_conditions_to_domain): Add the loops to
0b040072
SP		 7638 the dimension of the iteration domain. Do copy the domain
7639 only when it exists.
7640 (build_scop_conditions_1): Do not call add_conditions_to_domain.
7641 (add_conditions_to_constraints): New.
7642 (can_generate_code_stmt, can_generate_code): Removed.
7643 (gloog): Do not call can_generate_code.
7644 (graphite_transform_loops): Call add_conditions_to_constraints
7645 after building the iteration domain.
7646
56c6a499
JJ		 76472009-01-16 Jakub Jelinek <jakub@redhat.com>
7648
7649 PR tree-optimization/38789
7650 * tree-ssa-threadedge.c
7651 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
7652 __builtin_constant_p.
7653
c95b2534 76542009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
cd3f1729
KZ		 7655
7656 * dce.c (delete_unmarked_insns): Reversed the order that insns are
7657 examined before deleting them.
2ba9daa7 7658
c433cb14
RE		 76592009-01-16 Richard Earnshaw <rearnsha@arm.com>
7660
7661 * function.c (aggregate_value_p): Correctly extract the function
7662 type from CALL_EXPR_FN lookup.
7663
c95b2534 76642009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
27d62fa4
HS		 7665
7666 * config/picochip/picochip.c (picochip_override_options): Revert
7667 CFI asm flag disable commited previously.
7668
c77bb78f
SP		 76692009-01-15 Sebastian Pop <sebastian.pop@amd.com>
7670 Tobias Grosser <tobi.grosser@amd.com>
7671 Jan Sjodin <jan.sjodin@amd.com>
7672
7673 * graphite.c (scan_tree_for_params): On substractions negate
7674 all the coefficients of the term.
7675 (clast_to_gcc_expression_red): New. Handle reduction expressions
7676 of more than two operands.
7677 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
7678 (get_vdef_before_scop): Handle also the case of default definitions.
7679
574af2d6
RS		 76802009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
7681
7682 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
7683 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
7684 Also use them when walking CALL_INSN_FUNCTION_USAGE.
7685
e939805b
L		 76862009-01-15 H.J. Lu <hongjiu.lu@intel.com>
7687 Joey Ye <joey.ye@intel.com>
7688
7689 PR middle-end/37843
7690 * cfgexpand.c (expand_stack_alignment): Don't update stack
7691 boundary nor check incoming stack boundary here.
7692 (gimple_expand_cfg): Update stack boundary and check incoming
7693 stack boundary here.
7694
c95b2534 76952009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
750900db 7696
435da628 7697 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2ba9daa7 7698
0196c95e
JJ		 76992009-01-14 Jakub Jelinek <jakub@redhat.com>
7700
7701 PR rtl-optimization/38245
7702 * calls.c (expand_call): Add stack arguments to
7703 CALL_INSN_FUNCTION_USAGE even for pure calls (when
7704 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
7705 in regs and partially in memory or BLKmode arguments.
7706 (emit_library_call_value_1): Add stack arguments to
7707 CALL_INSN_FUNCTION_USAGE even for pure calls (when
7708 ACCUMULATE_OUTGOING_ARGS).
7709 * dce.c: Include tm_p.h.
7710 (find_call_stack_args): New function.
7711 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
7712 argument.
7713 (mark_insn): Call find_call_stack_args for CALL_Ps.
7714 (prescan_insns_for_dce): Walk insns backwards in bb rather than
7715 forwards. Allocate and free arg_stores bitmap if needed, pass it
7716 down to deletable_insn_p, don't mark stores set in arg_stores
7717 bitmap, clear the bitmap at the beginning of each bb.
7718 * Makefile.in (dce.o): Depend on $(TM_P_H).
7719
6df6bcfa
MM		 77202009-01-14 Michael Meissner <gnu@the-meissners.org>
7721
7722 PR target/22599
435da628
UB		 7723 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
7724 to make sure the insn is a conditional test (bug 22599). Reformat a
7725 few long lines.
6df6bcfa 7726
765ec70c
SP		 77272009-01-14 Sebastian Pop <sebastian.pop@amd.com>
7728
7729 PR middle-end/38431
7730 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
7731 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
7732 (gloog): Do not call cleanup_tree_cfg.
2ba9daa7 7733 (graphite_transform_loops): Call cleanup_tree_cfg after all
765ec70c
SP		 7734 scops have been code generated.
7735
7de2b688
BS		 77362009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
7737 * doc/gty.texi (Invoking the garbage collector): Added new node
7738 and section documenting ggc_collect.
7739
10bd6c5c
RG		 77402009-01-14 Richard Guenther <rguenther@suse.de>
7741
7742 PR tree-optimization/38826
7743 PR middle-end/38477
7744 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
7745 initialization notes only if we actually emitted a warning.
7746 (intra_create_variable_infos): Add constraints for a result decl
7747 that is passed by hidden reference.
7748 (build_pred_graph): Mark all related variables non-direct on
7749 address-taking.
7750
9c7c70ee
NC		 77512009-01-14 Nick Clifton <nickc@redhat.com>
7752
7753 * ira-conflicts.c: Include addresses.h for the definition of
7754 base_reg_class.
435da628
UB		 7755 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
7756 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
9c7c70ee 7757
cf0c2a60
VM		 77582009-01-13 Vladimir Makarov <vmakarov@redhat.com>
7759
7760 PR target/38811
7761 * Makefile.in (ira-lives.o): Add except.h.
7762
7763 * ira-lives.c: Include except.h.
7764 (process_bb_node_lives): Process can_throw_internal.
7765
d3302fd3
JJ		 77662009-01-13 Jakub Jelinek <jakub@redhat.com>
7767
7768 PR rtl-optimization/38774
7769 * combine.c (simplify_set): When undoing cc_use change, don't do
7770 PUT_CODE on the newly created comparison, but instead put back the
7771 old comparison.
7772
7ab23fd0
JM		 77732009-01-13 Joseph Myers <joseph@codesourcery.com>
7774
7775 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
7776 values. Remove duplicate arm8 entry.
7777
f9344488
SP		 77782009-01-13 Sebastian Pop <sebastian.pop@amd.com>
7779
7780 PR tree-optimization/38786
7781 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
7782 the SSA_NAME case of expand_scalar_variables_expr.
7783 Set the type of an expression to the type of its assign statement.
7784 (expand_scalar_variables_expr): Also gather the scalar computation
7785 used to index the memory access. Do not pass loop_p.
7786 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
7787 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
bef3c57b
UB		 7788 the gimple_stmt_iterator where it inserts new code.
7789 Do not pass loop_p.
f9344488
SP		 7790 (copy_bb_and_scalar_dependences): Do not pass loop_p.
7791 (translate_clast): Update call to copy_bb_and_scalar_dependences.
7792
2d8bb84d
SP		 77932009-01-13 Sebastian Pop <sebastian.pop@amd.com>
7794
7795 * graphite.h (debug_value): Removed.
7796 * graphite.c (debug_value): Removed.
7797
ff128632
RE		 77982009-01-13 Richard Earnshaw <rearnsha@arm.com>
7799
435da628
UB		 7800 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
7801 ldrd/strd with two 32-bit instructions.
ff128632 7802
d5a0a47b
RE		 78032009-01-13 Richard Earnshaw <rearnsha@arm.com>
7804
435da628
UB		 7805 * config/arm/arm.c (struct processors): Pass for speed down into
7806 cost helper functions.
d5a0a47b
RE		 7807 (const_ok_for_op): Handle COMPARE and inequality nodes.
7808 (arm_rtx_costs_1): Rewrite.
7809 (arm_size_rtx_costs): Update prototype.
7810 (arm_rtx_costs): Pass speed down to helper functions.
7811 (arm_slowmul_rtx_costs): Rework cost calculations.
7812 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
7813 (arm_9e_rtx_costs): Likewise.
7814
26d5bf5b
UB		 78152009-01-13 Uros Bizjak <ubizjak@gmail.com>
7816
7817 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
435da628 7818 relocations of local symbols wider than UNITS_PER_WORD are not valid.
26d5bf5b
UB		 7819 (alpha_legitimize_address): Do not split local symbols wider than
7820 UNITS_PER_WORD into HIGH/LO_SUM parts.
7821
5d14e3d5
DS		 78222009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
7823
7824 PR bootstrap/38580
7825 * gcc.c (process_command): Replace call to execvp with calls
7826 to pex_one and exit.
7827
33faafca
AS		 78282009-01-03 Anatoly Sokolov <aesok@post.ru>
7829
7830 PR target/29141
7831 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
7832 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
7833 variant for devices with 3-byte PC.
ba20e309 7834 (__tablejump_elpm__): New.
33faafca 7835
634b5df5
JJ		 78362009-01-12 Jakub Jelinek <jakub@redhat.com>
7837
7838 PR c/32041
7839 * c-parser.c (c_parser_postfix_expression): Allow `->' in
7840 offsetof member-designator, handle it as `[0].'.
7841
2842bb86
JDA		 78422009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7843
7844 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
7845 function when not using named sections on targets with named sections
7846 if branch distance is less than 262132.
7847
76ee70f6
RE		 78482009-01-12 Richard Earnshaw <rearnsha@arm.com>
7849
7850 * combine.c (combine_instructions): Recompute
7851 optimize_this_for_speed_p for each BB in the main combine loop.
7852
f56e675d
TB		 78532009-01-12 Tomas Bily <tbily@suse.cz>
7854
7855 PR middlend/38385
26d5bf5b
UB		 7856 * tree-loop-distribution.c (prop_phis): New function.
7857 (generate_builtin): Call prop_phis.
7858 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
f56e675d 7859
c2152239
JJ		 78602009-01-12 Jakub Jelinek <jakub@redhat.com>
7861
7862 PR tree-optimization/38807
7863 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
7864 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
7865
0e510b3e
AN		 78662009-01-11 Adam Nemet <anemet@caviumnetworks.com>
7867
7868 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
7869 subreg of op0 to the original op0.
7870
c95b2534 78712009-01-11 Laurent GUERBY <laurent@guerby.net>
10270471
LG		 7872
7873 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2ba9daa7 7874
53a7ff9a
MS		 78752009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
7876
7877 PR debug/7055
7878 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
7879 starting with digits.
7880
b3a796bc
JJ		 78812009-01-10 Jakub Jelinek <jakub@redhat.com>
7882
7883 PR target/38695
7884 * config/arm/arm.c (arm_is_long_call_p): Don't call
7885 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
7886
b21b850e
SB		 78872009-01-09 Steven Bosscher <steven@gcc.gnu.org>
7888
7889 * regrename.c (regrename_optimize): Fix dumping.
7890 (find_oldest_value_reg): Preserve REG_POINTER.
7891 (copy_hardreg_forward_1): Likewise.
7892
e0e10d3a
DN		 78932009-01-09 Diego Novillo <dnovillo@google.com>
7894
bf9b2cc9 7895 * gimple.h (struct gimple_statement_base) <uid>: Document
e0e10d3a
DN		 7896 the restrictions on its use.
7897 (gimple_uid): Tidy.
7898 (gimple_set_uid): Tidy.
7899
c9da2ae8
JJ		 79002009-01-09 Jakub Jelinek <jakub@redhat.com>
7901
7902 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
7903 zero guard even if align_bytes != 0 and count is smaller than
7904 size_needed.
7905
38432148 79062009-01-09 Vladimir Makarov <vmakarov@redhat.com>
a174c19c
VM		 7907
7908 PR rtl-optimization/38495
26d5bf5b 7909 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
a174c19c
VM		 7910 (add_range_and_copies_from_move_list): Print all added ranges.
7911 Add ranges to memory optimized destination.
7912
260fda3d
JJ		 79132009-01-09 Jakub Jelinek <jakub@redhat.com>
7914
6f6278ad
JJ		 7915 PR target/38686
7916 PR target/38708
7917 * config/i386/i386.c (override_options): Reject
7918 -mstringop-strategy=rep_8byte with -m32.
7919 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
7920 to 1. Do count comparison against epilogue_size_needed at compile
7921 time even when count_exp was constant forced into register. For
7922 size_needed don't jump to epilogue, instead just avoid aligning
7923 and invoke the body algorithm. If need_zero_guard, add zero guard
7924 even if count is non-zero, but smaller than size_needed + number of
7925 bytes that could be stored for alignment.
7926 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
7927 to 1. If need_zero_guard, add zero guard even if count is non-zero,
7928 but smaller than size_needed + number of bytes that could be stored
7929 for alignment. Compare size_needed with epilogue_size_needed instead
7930 of desired_align - align, don't adjust size_needed, pass
7931 epilogue_size_needed to the epilogue expanders.
7932
260fda3d 7933 PR c/35742
26d5bf5b 7934 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
260fda3d 7935
67b846fa
JDA		 79362009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7937
7938 * pa.c (last_address): Change to unsigned.
7939 (update_total_code_bytes): Change argument to unsigned. Don't
7940 check if insn addresses are set.
7941 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
7942 addresses are not set.
7943 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
7944
91c82473
NC		 79452009-01-09 Nick Clifton <nickc@redhat.com>
7946
7947 * config/sh/symbian.c: Replace uses of DECL_INLINE with
7948 DECL_DECLARED_INLINE_P.
7949
4017e262
JJ		 79502009-01-09 Jakub Jelinek <jakub@redhat.com>
7951
0a49e5c2
JJ		 7952 PR middle-end/38347
7953 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
7954 GET_MODE (op0) in operand_subword_force calls.
7955
4017e262
JJ		 7956 PR middle-end/38771
7957 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
7958 fold_convert arg0 operands to TREE_TYPE (op0) first.
7959
7cd06356
VM		 79602009-01-08 Vladimir Makarov <vmakarov@redhat.com>
7961
7962 * params.def (ira-max-conflict-table-size): Decrease default value
7963 to 1000.
7964
96867bbd
JJ		 79652009-01-08 Jakub Jelinek <jakub@redhat.com>
7966
7967 PR tree-optimization/37031
7968 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
7969 on parameter_set.
7970 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
7971 allocate it using gc instead of heap, use VEC_quick_push instead of
7972 VEC_safe_push.
7973 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
7974 instead of heap, use VEC_quick_push instead of VEC_safe_push.
7975 * tree-data-ref.h (struct access_matrix): Change matrix to gc
7976 allocated vector from heap allocated.
7977 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
7978 * tree-loop-linear.c (linear_transform_loops): Allocate nest
7979 vector only after perfect_loop_nest_depth call.
7980
68f61c3d
SP		 79812009-01-08 Sebastian Pop <sebastian.pop@amd.com>
7982 Jan Sjodin <jan.sjodin@amd.com>
7983
7984 PR tree-optimization/38559
7985 * graphite.c (debug_value, copy_constraint,
7986 swap_constraint_variables, scale_constraint_variable, ): New.
7987 (get_lower_bound, get_upper_bound): Removed.
7988 (graphite_trans_bb_strip_mine): Clean up this code that works
7989 only for constant number of iterations. Fully copy upper and
7990 lower bound constraints, not only the constant part of them.
7991 * graphite.h (debug_value): Declared.
7992
82567e33
IR		 79932009-01-08 Ira Rosen <irar@il.ibm.com>
7994
7995 PR tree-optimization/37194
7996 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2ba9daa7 7997 Don't add the cost of cost model guard in prologue to scalar
82567e33
IR		 7998 outside cost in case of known number of iterations.
7999
7da13f1d
NF		 80002009-01-07 Nathan Froyd <froydnj@codesourcery.com>
8001 Alan Modra <amodra@bigpond.net.au>
8002
8003 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
8004 non-word-aligned REG+CONST addressing.
8005
c0f64575
UB		 80062009-01-07 Uros Bizjak <ubizjak@gmail.com>
8007
8008 PR target/38706
8009 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
8010 free_after_compilation when outputting a thunk.
8011 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
8012 Do not call free_after_compilation here.
8013
301b6a4e
UB		 80142009-01-07 Uros Bizjak <ubizjak@gmail.com>
8015
8016 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
301b6a4e
UB		 8017 (ix86_valid_target_attribute_inner_p): Ditto.
8018
6a114766
JS		 80192009-01-07 Jan Sjodin <jan.sjodin@amd.com>
8020
8021 PR tree-optimization/38492
8022 PR tree-optimization/38498
8023 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
8024 * tree-chrec.h (scev_is_linear_expression): Declared.
8025 * graphite.c (graphite_cannot_represent_loop_niter): New.
8026 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
8027 (graphite_loop_normal_form): Use gcc_assert.
8028 (scan_tree_for_params): Use CASE_CONVERT.
8029 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
8030 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
8031 Use gcc_assert. Discard scops that contain unhandled cases.
8032 (build_scop_conditions): Return a boolean status for unhandled cases.
8033 (strip_mine_profitable_p): Print the loop number, not its depth.
8034 (is_interchange_valid): Pass the depth of the loop nest, don't
8035 recompute it wrongly.
8036 (graphite_trans_bb_block): Same.
8037 (graphite_trans_bb_block): Print tentative of loop blocking.
8038 (graphite_trans_scop_block): Do not print that the loop has been
8039 blocked.
8040 (graphite_transform_loops): Do not handle scops that contain condition
8041 scalar phi nodes.
8042
65b82caa
L		 80432009-01-07 H.J. Lu <hongjiu.lu@intel.com>
8044
8045 AVX Programming Reference (December, 2008)
8046 * config/i386/avxintrin.h (_mm256_stream_si256): New.
8047 (_mm256_stream_pd): Likewise.
8048 (_mm256_stream_ps): Likewise.
8049
8050 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
8051 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
8052 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
8053 (bdesc_special_args): Add __builtin_ia32_movntdq256,
8054 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
8055 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
8056 (ix86_expand_special_args_builtin): Likewise.
8057
8058 * config/i386/sse.md (AVXMODEDI): New.
8059 (avx_movnt<mode>): Likewise.
8060 (avx_movnt<mode>): Likewise.
8061 (<sse>_movnt<mode>): Remove AVX support.
8062 (sse2_movntv2di): Likewise.
8063
cef158f9
RG		 80642009-01-07 Richard Guenther <rguenther@suse.de>
8065
8066 PR middle-end/38751
8067 * fold-const.c (extract_muldiv): Remove obsolete comment.
8068 (fold_plusminus_mult_expr): Undo MINUS_EXPR
8069 to PLUS_EXPR canonicalization for the canonicalization.
8070
246cb5be
GP		 80712009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
8072
8073 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
8074 hosted cross-compilers generating less efficient code.
8075
84b9b872
RS		 80762009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
8077
8078 * function.h (rtl_data): Add a dbr_scheduled_p field.
8079 * reorg.c (dbr_schedule): Set it.
8080 (gate_handle_delay_slots): Check it.
8081 * config/mips/mips.c (mips_base_delayed_branch): Delete.
8082 (mips_reorg): Check flag_delayed_branch instead of
8083 mips_base_delayed_branch.
8084 (mips_override_options): Don't set mips_base_delayed_branch
8085 or flag_delayed_branch.
8086
ace984c8
RS		 80872009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
8088
8089 PR rtl-optimization/38426.
8090 * ira.c (ira): Set current_function_is_leaf earlier.
8091
7ad7809b
JJ		 80922009-01-06 Jakub Jelinek <jakub@redhat.com>
8093
8094 PR rtl-optimization/38722
8095 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
8096 too early, only set a flag and modify after last possible
8097 undo_all point.
8098
c52ec948
JJ		 80992009-01-06 Janis Johnson <janis187@us.ibm.com>
8100
8101 PR c/34252
8102 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
8103 * real.c (decimal_single_format): Correct values of emin and emax.
8104 (decimal_double_format): Ditto.
8105 (decimal_quad_format): Ditto.
8106 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
8107 computation of DECnn_MIN and DECnn_MAX for corrected values of
8108 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
8109 __DECnn_MIN__, and adjust its computation for the corrected value
8110 of emin.
8111
300240e1
JH		 81122009-01-06 Jan Hubicka <jh@suse.cz>
8113
8114 PR target/38744
435da628 8115 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
300240e1 8116
271c069e
GP		 81172009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
8118
8119 * doc/contrib.texi (Contributors): Slightly adjust the end note.
8120 Add Robert Clark to the list of testers.
8121
64e4c301 81222009-01-06 Jan Hubicka <jh@suse.cz>
c95b2534 8123 Kai Tietz <kai.tietz@onevision.com>
64e4c301 8124
435da628
UB		 8125 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
8126 * config/i386/i386.c (ix86_expand_call): Add clobbers.
64e4c301 8127
7650b83e 81282009-01-06 Jan Hubicka <jh@suse.cz>
c95b2534 8129 Kai Tietz <kai.tietz@onevision.com>
7650b83e 8130
435da628
UB		 8131 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
8132 for w64 ABI.
8133 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7650b83e
JH		 8134 (ix86_nsaved_regs): Count only general purpose regs.
8135 (ix86_nsaved_sseregs): New.
8136 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
8137 to 16 for w64; compute padding and size of sse reg save area.
301b6a4e
UB		 8138 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
8139 general purpose regs.
7650b83e
JH		 8140 (ix86_emit_save_sse_regs_using_mov): New.
8141 (ix86_expand_prologue): Save SSE regs if needed.
8142 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
8143 (ix86_emit_restore_sse_regs_using_mov): New.
8144 (ix86_expand_epilogue): Save SSE regs if needed.
8145
9aa5c1b2 81462009-01-06 Jan Hubicka <jh@suse.cz>
c95b2534 8147 Kai Tietz <kai.tietz@onevision.com>
9aa5c1b2 8148
435da628
UB		 8149 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
8150 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
8151 functions when accumulate outgoing args is off.
9aa5c1b2 8152
f7556aae
L		 81532009-01-06 H.J. Lu <hongjiu.lu@intel.com>
8154
8155 PR bootstrap/38742
8156 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
8157 before using pseudos_have_intersected_live_ranges_p.
8158
8159 * ira-int.h (ira_assert): Always define.
8160
e47b7d04
L		 81612009-01-06 H.J. Lu <hongjiu.lu@intel.com>
8162
8163 AVX Programming Reference (December, 2008)
8164 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
8165 (_mm256_permute2_pd): Likewise.
8166 (_mm_permute2_ps): Likewise.
8167 (_mm256_permute2_ps): Likewise.
8168 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
8169 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
8170
8171 * config/i386/i386.c (ix86_builtins): Remove
8172 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
8173 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
8174 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
8175 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
8176 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
8177 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
8178 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
8179 __builtin_ia32_vpermil2ps256.
8180 (ix86_init_mmx_sse_builtins): Updated.
8181 (ix86_expand_args_builtin): Likewise.
8182
44b86471
JDA		 81832009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8184
e47b7d04
L		 8185 * pa.c (output_call): Relocate non-jump insns in the delay slot of
8186 long absolute calls when generating PA 2.0 code.
44b86471 8187
311aab06
VM		 81882009-01-05 Vladimir Makarov <vmakarov@redhat.com>
8189
8190 PR rtl-optimization/38583
8191 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
8192
8193 * params.def (ira-max-conflict-table-size): New.
8194
8195 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2ba9daa7 8196
311aab06 8197 * ira.h (ira_conflicts_p): New external definition.
2ba9daa7 8198
311aab06
VM		 8199 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
8200 table. Report this. Return result of building.
8201 (ira_build_conflicts): Use ira_conflicts_p. Check result of
8202 building conflict table.
8203
301b6a4e 8204 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
311aab06 8205 (ira_color): Use ira_conflicts_p.
2ba9daa7 8206
311aab06
VM		 8207 * global.c: Include ira.h.
8208 (pseudo_for_reload_consideration_p, build_insn_chain): Use
8209 ira_conflicts_p.
8210
8211 * Makefile.in (global.o): Add ira.h.
2ba9daa7 8212
311aab06
VM		 8213 * ira-build.c (mark_all_loops_for_removal,
8214 propagate_some_info_from_allocno): New.
8215 (remove_unnecessary_allocnos): Call
8216 propagate_some_info_from_allocno.
8217 (remove_low_level_allocnos): New.
8218 (remove_unnecessary_regions): Add parameter. Call
8219 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
8220 parameter to remove_unnecessary_regions.
8221 (ira_build): Remove all regions but root if the conflict table was
8222 not built. Update conflict hard regs for allocnos crossing calls.
8223
8224 * ira.c (ira_conflicts_p): New global.
8225 (ira): Define and use ira_conflicts_p.
8226
8227 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
8228 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
301b6a4e 8229 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2ba9daa7 8230
5641785f
BE		 82312009-01-06 Ben Elliston <bje@au.ibm.com>
8232
8233 * gengtype-lex.l (YY_NO_INPUT): Define.
8234
e4e5261f
AP		 82352009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
8236
8237 PR c/34911
5641785f
BE		 8238 * c-common.c (handle_vector_size_attribute): Also reject
8239 BOOLEAN_TYPE types.
e4e5261f 8240
7b10257f
SP		 82412009-01-05 Sebastian Pop <sebastian.pop@amd.com>
8242
8243 PR tree-optimization/38492
8244 * graphite.c (rename_map_elt, debug_rename_elt,
301b6a4e
UB		 8245 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
8246 rename_map_elt_info, eq_rename_map_elts,
8247 get_new_name_from_old_name, bb_in_sese_p): Moved around.
7b10257f
SP		 8248 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
8249 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
8250 (sese_build_livein_liveouts): New.
8251 (new_sese, free_sese): New.
8252 (new_scop): Call new_sese.
8253 (free_scop): Call free_sese.
8254 (rename_variables_from_edge, rename_phis_end_scop): Removed.
8255 (register_old_new_names): Renamed register_old_and_new_names.
8256 (register_scop_liveout_renames, add_loop_exit_phis,
8257 insert_loop_close_phis, struct igp,
8258 default_liveout_before_guard, add_guard_exit_phis,
8259 insert_guard_phis, copy_renames): New.
8260 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
8261 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
8262 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
8263 (scop_adjust_phis_for_liveouts): New.
8264 (gloog): Call scop_adjust_phis_for_liveouts.
8265
8266 * graphite.h (struct sese): Documented. Added fields liveout,
301b6a4e 8267 num_ver and livein.
7b10257f
SP		 8268 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
8269 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
8270 (struct scop): Added field liveout_renames.
8271 (SCOP_LIVEOUT_RENAMES): New.
8272
9761fcc7
HJ		 82732009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
8274
8275 PR tree-optimization/38510
8276 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
8277 (translate_clast): Call recompute_all_dominators before
8278 graphite_verify.
8279 (gloog): Call recompute_all_dominators before graphite_verify.
8280
82812009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
c95b2534 8282 Jan Sjodin <jan.sjodin@amd.com>
9761fcc7
HJ		 8283
8284 PR tree-optimization/38500
8285 * graphite.c (create_sese_edges): Call fix_loop_structure after
8286 splitting blocks.
8287
c95b2534 82882009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
48a01864
JS		 8289
8290 * config.gcc: Add m32r*-*-rtems*.
8291 * config/m32r/rtems.h: New file.
8292
fc0cd180
BE		 82932009-01-05 Ben Elliston <bje@au.ibm.com>
8294
8295 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
8296 (.po.pox): Likewise.
8297 (po/gcc.pot): Likewise.
8298
3106d8e5
DM		 82992009-01-04 David S. Miller <davem@davemloft.net>
8300
8301 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
8302 (STARTING_FRAME_OFFSET): Always set to zero.
8303
0009b473
RS		 83042009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
8305
8306 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
8307 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
8308 fixed-point types, and vectors of the same.
8309
4f24c6d6
RS		 83102009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
8311
8312 * config/mips/sync.md (*mb_barrier): Rename to...
8313 (*memory_barrier): ...this.
8314
1df48f5c
JW		 83152009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
8316
8317 * doc/extend.texi (Function Attributes): Move @cindex after @item
eefe5da0 8318 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
1df48f5c
JW		 8319 and put in alphabetical order. Fix 'target' name and put in order.
8320 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
8321 typos.
8322
1a8c13b3
UB		 83232009-01-04 Uros Bizjak <ubizjak@gmail.com>
8324
8325 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
8326 (memory_barrier): Expand as unspec instead of unspec_volatile.
8327 Remove mem:BLK from insn operands. Use Pmode scratch register.
8328 (*memory_barrier): Define as unspec instead of unspec_volatile.
8329 Use (match_dup 0) as input operand.
8330
8331 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
8332 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
8333 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
8334 scratch register. Remove operand 1.
8335 (*stbar): Define as unspec instead of unspec_volatile.
8336 Use (match_dup 0) as input operand, remove (const_int 8).
8337 (*membar): Define as unspec instead of unspec_volatile.
8338 Use (match_dup 0) as input operand, remove input operand 2.
8339
8340 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
8341 (memory_barrier): Expand as unspec instead of unspec_volatile.
8342 Remove mem:BLK from insn operands. Use Pmode scratch register.
8343 (*memory_barrier): Define as unspec instead of unspec_volatile.
8344 Use (match_dup 0) as input operand.
8345
8346 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
8347 Remove mem:BLK from insn operands. Use Pmode scratch register.
8348 Set volatile flag on operand 0.
8349 (*memory_barrier): New insn pattern.
8350
8351 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
8352 insn operands.
8353 (*memory_barrier): Use (match_dup 0) as input operand.
8354
8355 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
8356 Remove mem:BLK from insn operands. Use Pmode scratch register.
8357 Set volatile flag on operand 0.
301b6a4e 8358 (*mb_internal): New insn pattern.
1a8c13b3
UB		 8359
8360 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
8361
fb0703f7
SB		 83622009-01-04 Steven Bosscher <steven@gcc.gnu.org>
8363
8364 PR middle-end/38586
8365 * function.c (struct temp_slot): Move to the section of the file
8366 that deals with temp slots. Remove field 'address'.
8367 (temp_slot_address_table): New hash table of address -> temp slot.
8368 (struct temp_slot_address_entry): New struct, items for the table.
8369 (temp_slot_address_compute_hash, temp_slot_address_hash,
8370 temp_slot_address_eq, insert_temp_slot_address): Support functions
8371 for the new table.
8372 (find_temp_slot_from_address): Rewrite to use the new hash table.
8373 (remove_unused_temp_slot_addresses): Remove addresses of temp
8374 slots that have been made available.
8375 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
8376 worker function for remove_unused_temp_slot_addresses.
8377 (assign_stack_temp_for_type): Don't clear the temp slot address list.
8378 Add the temp slot address to the address -> temp slot map.
8379 (update_temp_slot_address): Update via insert_temp_slot_address.
8380 (free_temp_slots): Call remove_unused_temp_slot_addresses.
8381 (pop_temp_slots): Likewise.
8382 (init_temp_slots): Allocate the address -> temp slot map, or empty
8383 the map if it is already allocated.
8384 (prepare_function_start): Initialize temp slot processing.
8385
b5a430f3
SB		 83862009-01-04 Steven Bosscher <steven@gcc.gnu.org>
8387
8388 PR middle-end/38584
8389 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
8390 Calculate the size of all stack vars assuming no packing of stack
8391 vars will happen, replacing a quadratic algorithm with a linear one.
8392
5d560619
JJ		 83932009-01-03 Jakub Jelinek <jakub@redhat.com>
8394
8395 PR target/38707
8396 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
8397 can't be used.
8398
953a7caa
DN		 83992009-01-03 Diego Novillo <dnovillo@google.com>
8400
8401 * doc/contrib.texi: Update contributions.
8402
5f26a230
JJ		 84032009-01-03 Jakub Jelinek <jakub@redhat.com>
8404
493aa551
JJ		 8405 PR c++/38705
8406 * builtins.c (fold_builtin_memory_op): Give up if either operand
8407 is volatile. Set srctype or desttype to non-qualified version
8408 of the other type.
8409
5f26a230
JJ		 8410 PR c/38700
8411 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
8412 and FUNCTION_DECLs.
8413
c95b2534 84142009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
fafe34f9
KZ		 8415
8416 PR rtl-optimization/35805
8417 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
8418 problem if fast dce is able to remove any instructions.
8419 * dce.c (dce_process_block): Fix dump message.
2ba9daa7 8420
0b355794
MM		 84212009-01-02 Mark Mitchell <mark@codesourcery.com>
8422
8423 PR 33649
8424 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
8425
0cf0d02b
JJ		 84262009-01-02 Jakub Jelinek <jakub@redhat.com>
8427
8428 PR middle-end/38690
8429 * tree-flow.h (op_code_prio, op_prio): New prototypes.
8430 * tree-pretty-print.c (op_code_prio): New function.
8431 (op_prio): No longer static. Use op_code_prio.
8432 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
8433 Use op_prio and op_code_prio to determine if () should be
8434 printed around operand(s) or not.
8435
8436 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
8437 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
8438 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
8439 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
8440 pp_character instead of pp_string for single letter printing.
8441
e3606f3b
RS		 84422009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
8443
8444 * doc/extend.texi: Fix '#pragma GCC option' typo.
8445
c95b2534 84462009-01-02 Richard Guenther <rguenther@suse.de>
00f39bd5 8447
a5f061dc
RG		 8448 * doc/install.texi (--enable-checking): Mention different
8449 default for stage1.
8450 (--enable-stage1-checking): Document.
00f39bd5 8451
26de0bcb
AP		 84522009-01-01 Andrew Pinski <pinskia@gmail.com>
8453
8454 PR middle-end/30142
8455 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
8456 case to be an error.
8457
7a7d8fab
BE		 84582009-01-02 Ben Elliston <bje@au.ibm.com>
8459
8460 * config/fp-bit.h (pack_d): Constify argument.
8461 * config/fp-bit.c (makenan): Constify return type. Remove casts.
8462 (isnan): Constify argument.
8463 (isinf): Likewise.
8464 (iszero): Likewise.
8465 (pack_d): Likewise.
8466 (_fpadd_parts): Constify return type.
8467 (_fpmul_parts): Likewise.
8468 (_fpdiv_parts): Likewise.
8469
b295aee2
JJ		 84702009-01-01 Jakub Jelinek <jakub@redhat.com>
8471
8472 PR c/36489
8473 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
8474 warn about overwriting initializer with side-effects or
8475 -Woverride-init if !IMPLICIT.
8476 (output_init_element): Likewise. Pass IMPLICIT down to
8477 add_pending_init.
8478 (process_init_element): Add IMPLICIT argument. Pass it down
8479 to output_init_element.
8480 (push_init_element, pop_init_level, set_designator): Adjust
8481 process_init_element callers.
8482 (set_nonincremental_init, set_nonincremental_init_from_string):
8483 Adjust add_pending_init callers.
8484 (output_pending_init_elements): Adjust output_init_element callers.
8485 * c-tree.h (process_init_element): Adjust prototype.
8486 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
8487 process_init_element callers.
ad41bd84
JM		 8488
8489\f
8490Copyright (C) 2009 Free Software Foundation, Inc.
8491
8492Copying and distribution of this file, with or without modification,
8493are permitted in any medium without royalty provided the copyright
8494notice and this notice are preserved.
GNU Compiler Collection
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