1 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
3 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
4 * configure: Regenerated.
6 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
8 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
9 share the argument list.
11 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
15 2009-02-12 Diego Novillo <dnovillo@google.com>
17 * varpool.c (debug_varpool): New.
18 * cgraph.h (debug_varpool): Declare.
20 2009-04-02 Jan Hubicka <jh@suse.cz>
22 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
25 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
27 * config/i386/i386.c (ix86_abi): Move initialization to ...
28 (override_options): Here.
30 2009-04-02 Christian Bruel <christian.bruel@st.com>
32 * config/sh/sh.c (sh_dwarf_register_span): New function.
33 (TARGET_DWARF_REGISTER_SPAN): Define.
34 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
36 2009-04-02 Ira Rosen <irar@il.ibm.com>
38 PR tree-optimization/39595
39 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
40 interleaved loads group is not greater than the SLP group size.
42 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
44 * builtins.c (is_builtin_name): New.
45 (called_as_built_in): Use is_builtin_name.
46 * tree.h (is_builtin_name): New.
47 * varasm.c (incorporeal_function_p): Use is_builtin_name
49 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
51 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
53 2009-04-02 Dodji Seketeli <dodji@redhat.com>
56 * c-decl.c: (clone_underlying_type): Move this ...
57 * c-common.c (set_underlying_type): ... here.
58 Also, make sure the function properly sets TYPE_STUB_DECL() on
59 the newly created typedef variant type.
60 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
61 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
63 2009-04-02 Richard Guenther <rguenther@suse.de>
65 PR tree-optimization/37221
66 * tree-flow.h (degenerate_phi_result): Declare.
67 * tree-ssa-dom.c (degenerate_phi_result): Export.
68 * tree-scalar-evolution.c (analyze_initial_condition): If
69 the initial condition is defined by a degenerate PHI node
70 use the degenerate value.
72 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
74 PR rtl-optimization/39588
75 * combine.c (merge_outer_ops): Do not set the constant when this
77 (simplify_shift_const_1): Do not modify it either in this case.
79 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
81 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
82 tuning is deprecated if -mtune value is set to an Itanium1 variant.
84 2009-04-01 Janis Johnson <janis187@us.ibm.com>
87 * c-lex.c (interpret_float): Default (no suffix) is double.
89 2009-04-1 Xinliang David Li <davidxl@google.com>
91 * config/i386/i386.c (legitimate_constant_p): Recognize
92 all one vector constant.
94 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
96 * gcc/config/vax/vax.c: Add #includes to silence warnings.
97 Change #include order to silence two warnings.
99 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
101 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
102 (ASM_SPEC): Pass -k to the assembler for PIC code.
104 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
106 * gcc/config.gcc: Add vax-*-linux* to the switch.
107 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
108 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
110 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
112 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
113 Use predicate macros instead of GET_CODE() == foo.
114 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
115 ashlsi3, rotrsi3, <unnamed>): Likewise.
117 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
119 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
120 jbbccihi, jbbccisi): Remova trailing whitespace.
121 * gcc/config/vax/constraints.md: Likewise.
122 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
123 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
124 * gcc/config/vax/predicates.md: Likewise.
125 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
126 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
127 * gcc/config/vax/vax.h: Likewise.
128 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
130 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
132 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
133 (indirectable_address_p, adjacent_operands_p): Add spaces around
135 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
137 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
139 * gcc/config/vax/vax.c (legitimate_constant_address_p,
140 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
141 index_term_p, reg_plus_index_p, legitimate_address_p,
142 vax_mode_dependent_address_p): Update comments to match functions
143 modified by the recent int->bool conversion.
145 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
147 * gcc/config/vax/builtins.md: Update copyright message.
148 * gcc/config/vax/constraints.md: Likewise.
149 * gcc/config/vax/netbsd-elf.h: Likewise.
150 * gcc/config/vax/predicates.md: Likewise.
151 * gcc/config/vax/vax-protos.h: Likewise.
152 * gcc/config/vax/vax.c: Likewise.
153 * gcc/config/vax/vax.h: Likewise.
154 * gcc/config/vax/vax.md: Likewise.
155 * gcc/config/vax/vax.opt: Likewise.
157 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
159 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
160 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
161 * gcc/config/vax/constraints.md (B, R): Likewise.
162 * gcc/config/vax/predicates.md (external_memory_operand,
163 nonimmediate_addsub_di_operand): Likewise.
164 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
165 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
166 untyped_call): Likewise.
168 2009-04-01 Matt Thomas <matt@3am-software.com>
170 * config/vax/predicates.md: New file. (symbolic_operand,
171 local_symbolic_operand, external_symbolic_operand,
172 external_const_operand, nonsymbolic_operand, external_memory_operand,
173 indirect_memory_operand, indexed_memory_operand,
174 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
175 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
177 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
178 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
179 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
180 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
181 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
182 * config/vax/vax.opt (mqmath): Add option.
183 * config/vax/vax.md (isfx): Extend with DI.
184 (VAXintQH, VAXintQHSD): Define.
185 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
186 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
187 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
188 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
189 (movdi): Update constraints and use vax_output_int_move().
190 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
191 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
192 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
194 (mov<mode>): Extend accepted operand types.
195 (subdi3_old): Rename from subdi3, change update constraints and use
196 a new implementation.
197 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
198 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
199 MOVE_RATIO, CLEAR_RATIO): Define.
200 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
201 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
202 (PRINT_OPERAND): Redefine using a function instead of inlined code.
203 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
204 (split_quadword_operands): Make static and really allow variable
206 (print_operand_address): Update for PIC generation.
207 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
208 indexable_address_p, fixup_mathdi_operand,
209 vax_expand_addsub_di_operands, adjacent_operands_p): New.
210 (vax_float_literal, legitimate_constant_p,
211 indirectable_constant_address_p, index_term_p,
212 reg_plus_index_p): Return bool instead of int.
213 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
215 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
217 (vax_output_conditional_branch): Indent.
218 (legitimate_constant_address_p, indirectable_constant_address_p,
219 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
220 vax_mode_dependent_address_p): Return bool instead of int, update for
222 * config/vax/vax-protos.h (legitimate_constant_address_p,
223 legitimate_constant_p, legitimate_address_p,
224 vax_mode_dependent_address_p): Change declaration to bool.
225 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
226 vax_expand_addsub_di_operands, vax_output_int_subtract,
227 vax_output_movmemsi): Declare.
228 (split_quadword_operands, vax_float_literal): Delete declaration.
229 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
230 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
231 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
232 ASM_OUTPUT_DWARF_PCREL): Define.
233 (ASM_SPEC): Change definition to allow PIC generation.
235 2009-04-01 Jakub Jelinek <jakub@redhat.com>
238 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
239 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
240 (booldi3_internal3): Use boolean_or_operator instead of
243 2009-04-01 Joseph Myers <joseph@codesourcery.com>
246 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
247 declarator whose size is not an integer constant expression but
248 folds to an integer constant, then treat it as a constant
251 2009-04-01 Richard Guenther <rguenther@suse.de>
253 * fold-const.c (fold_plusminus_mult_expr): Do not fold
254 i * 4 + 2 to (i * 2 + 1) * 2.
256 2009-04-01 Jakub Jelinek <jakub@redhat.com>
259 * c-parser.c (c_parser_asm_statement): Skip until close paren and
260 return if c_parser_asm_string_literal returned NULL.
262 2009-04-01 Nick Clifton <nickc@redhat.com>
264 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
266 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
267 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
268 other typedefs to avoid conflicts with libgcc2.c. Define labels
269 to gain 16-bit bit-manipulation functions from libgcc2.c and then
271 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
272 to gain 16-bit trapping arithmetic functions from libgcc2.c and
275 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
277 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
279 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
280 Andrey Galkin <agalkin@hypercom.com>
283 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
284 Make object_name unique for each process.
286 2009-04-01 Jakub Jelinek <jakub@redhat.com>
289 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
290 addressable variables in the parallel that could go out of scope while
291 running queued tasks.
293 2009-04-01 Anatoly Sokolov <aesok@post.ru>
295 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
296 (CASE_VALUES_THRESHOLD): Redefine.
297 * config/avr/avr.c (avr_override_options): Remove initialization of
298 avr_case_values_threshold variable.
299 (avr_case_values_threshold): Remove variable. Add new function.
300 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
301 * config/avr/avr.opt (mno-tablejump): Remove option.
302 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
304 2009-04-01 DJ Delorie <dj@redhat.com>
306 * varasm.c (default_function_rodata_section): Don't assume
307 anything about where the first '.' in the section name is.
309 2009-04-01 Alan Modra <amodra@bigpond.net.au>
311 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
312 rs6000_emit_stack_tie.
314 2009-03-31 Ian Lance Taylor <iant@google.com>
316 * tree-eh.c (tree_remove_unreachable_handlers): Compare
317 gimple_code with GIMPLE_RESX, not RESX.
319 2009-03-31 Joseph Myers <joseph@codesourcery.com>
321 * c-common.c (c_get_ident): New.
322 (c_common_nodes_and_builtins): Call it for type names that may be
325 2009-04-01 Ben Elliston <bje@au.ibm.com>
327 * config/rs6000/sysv4.opt (msdata): Improve option description.
329 2009-03-31 Steve Ellcey <sje@cup.hp.com>
331 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
332 (divdf3_internal_lat): Remove.
333 (divxf3_internal_lat): Remove.
334 (divxf3_internal_thr): Remove.
335 (divxf): Use divxf3_internal.
336 * config/ia64/div.md (divsf3_internal_lat): New.
337 (divdf3_internal_lat): New.
338 (divxf3_internal): New.
340 2009-03-31 Joseph Myers <joseph@codesourcery.com>
343 * Makefile.in (USE_GCC_STDINT): Define.
344 (stmp-int-hdrs): Install stdint.h if applicable.
345 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
347 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
348 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
349 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
350 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
351 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
352 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
353 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
354 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
355 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
356 (c_common_nodes_and_builtins): Initialize
357 underlying_wchar_type_node. Do not initialize
358 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
360 (c_stddef_cpp_builtins): Define macros for new types.
361 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
363 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
364 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
365 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
366 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
367 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
368 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
369 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
370 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
371 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
372 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
373 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
374 int16_type_node, int32_type_node, int64_type_node,
375 uint8_type_node, uint16_type_node, c_uint32_type_node,
376 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
377 int_least32_type_node, int_least64_type_node,
378 uint_least8_type_node, uint_least16_type_node,
379 uint_least32_type_node, uint_least64_type_node,
380 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
381 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
382 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
383 uintptr_type_node): Define.
384 * c-cppbuiltin.c (builtin_define_constants,
385 builtin_define_type_minmax): New.
386 (builtin_define_stdint_macros): Define more macros.
387 (c_cpp_builtins): Define more limit macros.
389 (builtin_define_type_max): Define in terms of
390 builtin_define_type_minmax. Remove is_long parameter. All
392 * config.gcc (use_gcc_stdint): Define.
393 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
394 Add newlib-stdint.h for generic targets.
395 * config/glibc-stdint.h, config/newlib-stdint.h,
396 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
397 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
398 * config/score/score.h (UINTPTR_TYPE): Define.
399 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
400 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
401 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
402 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
403 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
404 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
405 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
406 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
407 * config/spu/spu.h (STDINT_LONG32): Define.
408 * configure.ac (use_gcc_stdint): Substitute.
409 * configure: Regenerate.
410 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
411 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
412 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
413 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
414 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
415 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
416 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
417 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
418 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
419 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
420 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
421 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
422 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
423 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
424 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
425 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
426 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
427 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
428 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
429 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
430 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
431 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
432 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
433 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
434 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
435 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
436 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
437 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
438 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
440 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
442 * loop-iv.c (suitable_set_for_replacement): Renamed from
443 simplify_using_assignment; changed to return bool and to accept new
444 args DEST and SRC. Return true iff we find a source/destination pair
445 that can be used to make a replacement, and fill SRC and DEST if so.
446 Remove arg ALTERED. Don't deal with altered regs here. All callers
448 (simplify_using_initial_values): Deal with altered regs here and track
449 more precisely the effect they have on the validity of our expression.
451 * loop-iv.c (simplify_using_condition): A condition of the form
452 (EQ REG CONST) can be used to simply make a substitution.
453 (simplify_using_initial_values): Keep track of conditions we have seen
454 and keep using them to simplify new expressions, while applying the
455 same substitutions to them as to the expression.
457 * simplify-rtx.c (simplify_relational_operation_1): Simplify
458 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
461 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
462 changed. Use this when trying to improve the upper bound.
463 Generate the comparison by using simplify_gen_relational.
465 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
467 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
469 (simplify_using_assignment, simplify_using_initial_values): Call
470 replace_in_expr to make replacements. Call replace_single_def_regs
471 once on the initial version of the expression.
473 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
476 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
478 2009-03-31 Richard Guenther <rguenther@suse.de>
481 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
482 equality comparisons. Fold C - X CMP X if C % 2 == 1.
484 2009-03-31 Richard Guenther <rguenther@suse.de>
486 * tree.h (div_if_zero_remainder): Declare.
487 * fold-const.c (div_if_zero_remainder): Export.
488 * tree-ssa-forwprop.c
489 (forward_propagate_addr_into_variable_array_index): Handle
490 constant array index addition outside of the variable index.
492 2009-03-31 Joseph Myers <joseph@codesourcery.com>
495 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
496 define_splits, floatunssi<mode>2): Require x87 conversions from
497 DImode to be permitted.
499 2009-03-31 Joseph Myers <joseph@codesourcery.com>
501 PR preprocessor/15638
502 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
504 2009-03-31 Richard Guenther <rguenther@suse.de>
508 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
509 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
510 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
511 a separate statement.
512 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
513 (lookup_tmp_var): Likewise.
514 (is_gimple_formal_tmp_or_call_rhs): Remove.
515 (is_gimple_reg_or_call_rhs): Rename to ...
516 (is_gimple_reg_rhs_or_call): ... this.
517 (is_gimple_mem_or_call_rhs): Rename to ...
518 (is_gimple_mem_rhs_or_call): ... this.
519 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
520 DECL_GIMPLE_REG_P only if is_formal is true.
521 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
522 for non-proper post-modify expression gimplification.
523 (gimplify_self_mod_expr): For post-modify expressions gimplify
524 the lvalue to a minimal lvalue.
525 (rhs_predicate_for): Remove formal temp case.
526 (gimplify_modify_expr_rhs): Likewise.
527 (gimplify_addr_expr): Use is_gimple_reg.
528 (gimplify_expr): Remove formal temp cases.
529 (gimple_regimplify_operands): Likewise.
530 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
531 and FILTER_EXPR like constants.
532 * gimple.c (walk_gimple_op): Fix val_only initialization, use
534 (is_gimple_formal_tmp_rhs): Remove.
535 (is_gimple_reg_rhs): Remove special casing.
536 (is_gimple_mem_rhs): Fix.
537 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
538 (is_gimple_formal_tmp_var): Remove.
539 (is_gimple_formal_tmp_reg): Likewise.
540 (is_gimple_min_lval): Allow invariant component ref parts.
541 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
542 is_gimple_formal_tmp_reg): Remove declarations.
543 * tree-cfg.c (verify_expr): Verify that variables with address
544 taken do not have DECL_GIMPLE_REG_P set.
545 * tree-mudflap.c (mf_build_check_statement_for): Use
546 force_gimple_operand instead of gimplify_expr.
548 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
550 * modulo-sched.c (sms_schedule_by_order): Pass the actual
551 schedulable rows to compute_split_row.
553 2009-03-31 Ben Elliston <bje@au.ibm.com>
556 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
559 2009-03-31 Alan Modra <amodra@bigpond.net.au>
561 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
562 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
563 * configure: Regenerate.
564 * config.in: Regenerate.
565 * config/rs6000/rs6000.opt (mtls-markers): Add.
566 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
567 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
568 (tls_ld_aix, tls_ld_sysv): Likewise.
569 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
570 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
572 2009-03-31 Alan Modra <amodra@bigpond.net.au>
574 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
576 2009-03-30 Jan Hubicka <jh@suse.cz>
578 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
580 (tree_remove_unreachable_handlers): Cleanup EH predecestor
581 detection and label handling.
583 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
585 * ira-int.h (ira_allocno): Rename left_conflicts_num to
587 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
588 ALLOCNO_LEFT_CONFLICTS_SIZE.
590 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
591 remove_allocno_from_bucket_and_push,
592 allocno_spill_priority_compare, push_allocnos_to_stack,
593 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
594 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
595 (setup_allocno_left_conflicts_num): Ditto. Rename to
596 setup_allocno_left_conflicts_size.
597 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
598 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
599 setup_allocno_left_conflicts_size instead of
600 setup_allocno_left_conflicts_num.
602 * ira-build.c (ira_create_allocno): Use
603 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
604 ALLOCNO_LEFT_CONFLICTS_NUM.
606 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
608 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
609 instead of DF_LR_OUT.
611 * ira-lives.c (process_bb_node_lives): Ditto.
613 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
614 instead of DF_LR_{OUT,IN}.
616 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
618 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
620 2009-03-30 Jan Hubicka <jh@suse.cz>
622 * except.c (label_to_region_map): Fix thinko.
624 2009-03-30 Steve Ellcey <sje@cup.hp.com>
627 * tree.h (tree_find_value): New declaration.
628 * tree.c (tree_find_value): New function.
629 * varasm.c (assemble_external): Avoid duplicate entries on lists.
631 2009-03-30 Jakub Jelinek <jakub@redhat.com>
634 * c-decl.c (struct c_binding): Add locus field.
635 (bind): Add locus argument, set locus field from it.
636 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
637 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
638 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
639 implicitly_declare, undeclared_variable, lookup_label,
640 declare_label, c_make_fname_decl, c_builtin_function,
641 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
644 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
647 * config/i386/i386.c (classify_argument): Check total size of
650 2009-03-30 Martin Jambor <mjambor@suse.cz>
652 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
653 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
654 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
657 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
658 seen_variable_array_ref while also traversing a union.
660 * tree-inline.c (optimize_inline_calls): Do not call
661 cgraph_node_remove_callees.
662 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
663 (pass_remove_cgraph_callee_edges): New variable.
664 * passes.c (init_optimization_passes): Add
665 pass_remove_cgraph_callee_edges after early inlining and before all
666 late intraprocedural passes.
668 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
670 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
672 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
675 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
677 * combine.c (simplify_comparison): Use have_insn_for.
678 * dojump.c (do_jump): Likewise.
680 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
682 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
683 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
684 sparc_compare_op0 like sparc_compare_emitted used to be handled.
685 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
686 instead of sparc_compare_emitted.
687 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
688 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
689 instead of sparc_compare_emitted.
691 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
693 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
694 enter/exit cfglayout mode.
695 (pass_partition_block): Require it.
696 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
697 (combine_instructions): Track basic blocks instead of labels.
698 (update_cfg_for_uncondjump): New.
699 (try_combine): Use it. Update jumps after rescanning.
700 (pass_combine): Require PROP_cfglayout.
701 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
703 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
705 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
706 Provide/destroy PROP_cfglayout respectively.
707 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
708 * tree-pass.h (PROP_cfglayout): New.
710 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
712 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
713 fold_convert_const_fixed_from_fixed,
714 fold_convert_const_fixed_from_int,
715 fold_convert_const_fixed_from_real, fold_negate_const): Do not
716 set TREE_CONSTANT_OVERFLOW.
717 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
718 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
720 2009-03-30 Ira Rosen <irar@il.ibm.com>
722 * tree-vect-loop-manip.c: New file.
723 * tree-vectorizer.c: Update documentation and included files.
724 (vect_loop_location): Make extern.
725 (rename_use_op): Move to tree-vect-loop-manip.c
726 (rename_variables_in_bb, rename_variables_in_loop,
727 slpeel_update_phis_for_duplicate_loop,
728 slpeel_update_phi_nodes_for_guard1,
729 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
730 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
731 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
732 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
733 find_loop_location): Likewise.
734 (new_stmt_vec_info): Move to tree-vect-stmts.c.
735 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
736 get_vectype_for_scalar_type, vect_is_simple_use,
737 supportable_widening_operation, supportable_narrowing_operation):
739 (bb_in_loop_p): Move to tree-vect-loop.c.
740 (new_loop_vec_info, destroy_loop_vec_info,
741 reduction_code_for_scalar_code, report_vect_op,
742 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
743 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
744 (vect_supportable_dr_alignment): Likewise.
745 * tree-vectorizer.h (tree-data-ref.h): Include.
746 (vect_loop_location): Declare.
747 Reorganize function declarations according to the new file structure.
748 * tree-vect-loop.c: New file.
749 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
750 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
751 * tree-vect-data-refs.c: New file.
752 * tree-vect-patterns.c (timevar.h): Don't include.
753 * tree-vect-stmts.c: New file.
754 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
755 tree-vect-slp.c, tree-vect-loop.c.
756 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
757 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
758 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
759 (tree-vect-analyze.o): Remove.
760 (tree-vect-transform.o): Likewise.
761 (tree-vect-data-refs.o): Add rule.
762 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
763 tree-vect-slp.o): Likewise.
764 (tree-vect-patterns.o): Remove redundant dependencies.
765 (tree-vectorizer.o): Likewise.
766 * tree-vect-slp.c: New file.
768 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
770 * optc-gen.awk: Warn if an option flag has multiple different
773 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
775 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
776 -floop-block): Document dependences on PPL, CLooG and Graphite.
778 2009-03-30 Joseph Myers <joseph@codesourcery.com>
780 PR rtl-optimization/323
781 * c-common.c (c_fully_fold, convert_and_check,
782 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
783 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
784 * c-common.def (EXCESS_PRECISION_EXPR): New.
785 * c-cppbuiltin.c (builtin_define_float_constants): Define
786 constants with enough digits for long double.
787 * c-lex.c (interpret_float): Interpret constant with excess
788 precision where appropriate.
789 * c-opts.c (c_common_post_options): Set
790 flag_excess_precision_cmdline. Give an error for
791 -fexcess-precision=standard for C++ for processors where the
792 option is significant.
793 * c-parser.c (c_parser_conditional_expression): Handle excess
794 precision in condition.
795 * c-typeck.c (convert_arguments): Handle arguments with excess
797 (build_unary_op): Move excess precision outside operation.
798 (build_conditional_expr): Likewise.
799 (build_compound_expr): Likewise.
800 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
801 (build_modify_expr): Handle excess precision in RHS.
802 (convert_for_assignment): Handle excess precision in converted
804 (digest_init, output_init_element, process_init_element): Handle
805 excess precision in initializer.
806 (c_finish_return): Handle excess precision in return value.
807 (build_binary_op): Handle excess precision in operands and add
808 excess precision as needed for operation.
809 * common.opt (-fexcess-precision=): New option.
810 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
811 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
812 For standard excess precision, output explicit conversion to and
813 truncation from XFmode.
814 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
815 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
816 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
817 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
818 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
819 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
820 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
821 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
822 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
823 define_splits, sqrt<mode>2): Disable where appropriate for
824 standard excess precision.
825 * convert.c (convert_to_real): Do not shorten arithmetic to type
826 for which excess precision would be used.
827 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
828 * doc/invoke.texi (-fexcess-precision=): Document option.
829 (-mfpmath=): Correct index entry.
830 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
831 flag_excess_precision): New.
832 * langhooks.c (lhd_post_options): Set
833 flag_excess_precision_cmdline.
834 * opts.c (common_handle_option): Handle -fexcess-precision=.
835 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
836 init_excess_precision): New.
837 (lang_dependent_init_target): Call init_excess_precision.
838 * tree.c (excess_precision_type): New.
839 * tree.h (excess_precision_type): Declare.
841 2009-03-30 Joseph Myers <joseph@codesourcery.com>
844 * c-typeck.c (build_component_ref): Do not copy qualifiers from
845 non-lvalue to component.
847 2009-03-29 Joseph Myers <joseph@codesourcery.com>
849 PR preprocessor/34695
850 * Makefile.in (c-opts.o): Depend on c-tree.h.
851 * c-common.c: Move down include of diagnostic.h.
852 (done_lexing, c_cpp_error): New.
853 * c-common.h (done_lexing): Declare.
854 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
856 * c-opts.c: Include c-tree.h.
857 (c_common_init_options): Set preprocessor error callback.
858 (c_common_handle_option): Do not set preprocessor
859 inhibit_warnings, warnings_are_errors, warn_system_headers,
860 pedantic_errors or inhibit_warnings flags.
861 (c_common_post_options): Do not check cpp_errors (parse_in).
862 (c_common_finish): Do not output dependencies if there were
863 errors. Do not check return value of cpp_finish.
864 * c-ppoutput.c (pp_file_change): Set input_location.
865 * c-tree.h (c_cpp_error): Declare.
866 * diagnostic.c (diagnostic_set_info_translated): Also initialize
868 (diagnostic_build_prefix): Check override_column.
869 * diagnostic.h (diagnostic_info): Add override_column field.
870 (diagnostic_override_column): Define.
872 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
874 * c-common.c (c_expand_expr, c_staticp): Remove.
875 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
876 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
877 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
878 * c-gimplify.c (gimplify_compound_literal_expr,
879 optimize_compound_literals_in_ctor): Remove.
880 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
881 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
882 * c-semantics.c (emit_local_var): Remove.
884 * langhooks-def.h (lhd_expand_expr): Remove.
885 * langhooks.c (lhd_expand_expr): Remove.
886 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
888 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
889 handling from c-semantics.c; don't call into langhook.
890 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
891 * gimplify.c (gimplify_compound_literal_expr,
892 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
893 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
894 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
895 as was done in c-gimplify.c.
896 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
897 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
898 Move from c-common.h.
899 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
901 * tree.c (staticp): Do not call langhook.
902 * langhooks.c (lhd_staticp): Delete.
903 * langhooks-def.h (lhd_staticp): Delete prototype.
904 (LANG_HOOKS_STATICP): Delete.
905 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
907 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
908 instead of DECL_STMTs.
910 2009-03-29 Joseph Myers <joseph@codesourcery.com>
918 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
920 (fold_call_expr): Return a NOP_EXPR from folding rather than the
921 contained expression.
922 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
923 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
924 conditional expressions for C.
925 (decl_constant_value_for_optimization): Move from
926 decl_constant_value_for_broken_optimization in c-typeck.c. Check
927 whether optimizing and that the expression is a VAR_DECL not of
928 array type instead of doing such checks in the caller. Do not
929 check pedantic. Call gcc_unreachable for C++.
930 * c-common.def (C_MAYBE_CONST_EXPR): New.
931 * c-common.h (c_fully_fold, c_save_expr,
932 decl_constant_value_for_optimization): New prototypes.
933 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
934 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
935 EXPR_INT_CONST_OPERANDS): Define.
936 * c-convert.c (convert): Strip nops from expression.
937 * c-decl.c (groktypename): Take extra parameters expr and
938 expr_const_operands. Update call to grokdeclarator.
939 (start_decl): Update call to grokdeclarator. Add statement for
940 expressions used in type of decl.
941 (grokparm): Update call to grokdeclarator.
942 (push_parm_decl): Update call to grokdeclarator.
943 (build_compound_literal): Add parameter non_const and build a
944 C_MAYBE_COSNT_EXPR if applicable.
945 (grokdeclarator): Take extra parameters expr and
946 expr_const_operands. Track expressions used in declaration
947 specifiers and declarators. Fold array sizes and track whether
948 they are constant expressions and whether they are integer
949 constant expressions.
950 (parser_xref_tag): Set expr and expr_const_operands fields in
952 (grokfield): Update call to grokdeclarator.
953 (start_function): Update call to grokdeclarator.
954 (build_null_declspecs): Set expr and expr_const_operands fields in
956 (declspecs_add_type): Handle expressions in typeof specifiers.
957 * c-parser.c (c_parser_declspecs): Set expr and
958 expr_const_operands fields for declaration specifiers.
959 (c_parser_enum_specifier): Likewise.
960 (c_parser_struct_or_union_specifier): Likewise.
961 (c_parser_typeof_specifier): Likewise. Update call to
962 groktypename. Fold expression as needed. Return expressions with
963 type instead of adding statements.
964 (c_parser_attributes): Update calls to c_parser_expr_list.
965 (c_parser_statement_after_labels): Fold expression before passing
966 to objc_build_throw_stmt.
967 (c_parser_condition): Fold expression.
968 (c_parser_asm_operands): Fold expression.
969 (c_parser_conditional_expression): Use c_save_expr. Update call
970 to build_conditional_expr.
971 (c_parser_alignof_expression): Update call to groktypename.
972 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
973 original_code. Fold expression argument of va_arg. Create
974 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
975 argument to va_arg. Update calls to groktypename. Fold array
976 index for offsetof. Verify that first argument to
977 __builtin_choose_expr has integer type.
978 (c_parser_postfix_expression_after_paren_type): Update calls to
979 groktypename and build_compound_literal. Handle expressions with
980 side effects in type name.
981 (c_parser_postfix_expression_after_primary): Update call to
982 c_parser_expr_list. Set original_code for calls to
983 __builtin_constant_p.
984 (c_parser_expr_list): Take extra parameter fold_p. Fold
985 expressions if requested.
986 (c_parser_objc_type_name): Update call to groktypename.
987 (c_parser_objc_synchronized_statement): Fold expression.
988 (c_parser_objc_receiver): Fold expression.
989 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
990 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
991 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
992 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
993 (struct c_typespec): Add elements expr and expr_const_operands.
994 (struct c_declspecs): Add elements expr and expr_const_operands.
995 (groktypename, build_conditional_expr, build_compound_literal):
997 (in_late_binary_op): Declare.
998 * c-typeck.c (note_integer_operands): New function.
999 (in_late_binary_op): New variable.
1000 (decl_constant_value_for_broken_optimization): Move to c-common.c
1001 and rename to decl_constant_value_for_optimization.
1002 (default_function_array_conversion): Do not strip nops.
1003 (default_conversion): Do not call
1004 decl_constant_value_for_broken_optimization.
1005 (build_array_ref): Do not fold result.
1006 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1007 result when operand is a VLA.
1008 (c_expr_sizeof_type): Update call to groktypename. Handle
1009 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1010 result when operand names a VLA type.
1011 (build_function_call): Update call to build_compound_literal.
1012 Only fold result for calls to __builtin_* functions. Strip
1013 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1014 the function designator.
1015 (convert_arguments): Fold arguments. Update call to
1016 convert_for_assignment.
1017 (build_unary_op): Handle increment and decrement of
1018 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1019 decrement earlier. Fold operand of increment and decrement.
1020 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1021 built for integer operand. Wrap returns that are INTEGER_CSTs
1022 without being integer constant expressions or that have integer
1023 constant operands without being INTEGER_CSTs.
1024 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1025 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1026 result is an integer constant expression or can be used in
1027 unevaluated parts of one and avoid folding and wrap as
1028 appropriate. Fold operands before possibly doing -Wsign-compare
1030 (build_compound_expr): Wrap result for C99 if operands can be used
1031 in integer constant expressions.
1032 (build_c_cast): Update call to digest_init. Do not ignore
1033 overflow from casting floating-point constants to integers. Wrap
1034 results that could be confused with integer constant expressions,
1035 null pointer constants or floating-point constants.
1036 (c_cast_expr): Update call to groktypename. Handle expressions
1037 included in type name.
1038 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1039 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1040 Update calls to convert_for_assignment.
1041 (convert_for_assignment): Take new parameter
1042 null_pointer_constant. Do not strip nops or call
1043 decl_constant_value_for_broken_optimization. Set
1044 in_late_binary_op for conversions to boolean.
1045 (store_init_value): Update call to digest_init.
1046 (digest_init): Take new parameter null_pointer_constant. Do not
1047 call decl_constant_value_for_broken_optimization. pedwarn for
1048 initializers not constant expressions. Update calls to
1049 convert_for_assignment.
1050 (constructor_nonconst): New.
1051 (struct constructor_stack): Add nonconst element.
1052 (really_start_incremental_init, push_init_level, pop_init_level):
1053 Handle constructor_nonconst and nonconst element.
1054 (set_init_index): Call constant_expression_warning for array
1056 (output_init_element): Fold value. Set constructor_nonconst as
1057 applicable. pedwarn for initializers not constant expressions.
1058 Update call to digest_init. Call constant_expression_warning
1059 where constant initializers are required.
1060 (process_init_element): Use c_save_expr.
1061 (c_finish_goto_ptr): Fold expression.
1062 (c_finish_return): Fold return value. Update call to
1063 convert_for_assignment.
1064 (c_start_case): Fold switch expression.
1065 (c_process_expr_stmt): Fold expression.
1066 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1067 ensure statement expression is not evaluated in constant expression.
1068 (build_binary_op): Track whether results are integer constant
1069 expressions or may occur in such, disable folding and wrap results
1070 as applicable. Fold operands for -Wsign-compare warnings unless
1072 (c_objc_common_truthvalue_conversion): Handle results folded to
1073 integer constants that are not integer constant expressions.
1074 * doc/extend.texi: Document when typeof operands are evaluated,
1075 that condition of __builtin_choose_expr is an integer constant
1076 expression, and more about use of __builtin_constant_p in
1079 2009-03-29 Richard Guenther <rguenther@suse.de>
1081 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1082 propagate addresses of array references.
1084 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1086 * regmove.c (perhaps_ends_bb_p): Remove.
1087 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1088 from INSN and check that the main loop stays within that basic block.
1089 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1090 (regmove_forward_pass): Split out from regmove_optimize. Use
1091 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1092 (regmove_backward_pass): Split out from regmove_optimize. Use
1093 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1094 (regmove_optimize): Simplify.
1096 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1099 * config/i386/i386.c (classify_argument): Ignore flexible array
1100 member in struct and warn ABI change.
1102 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1104 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1106 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1107 (ix86_adjust_cost): Updated.
1109 2009-03-29 Jan Hubicka <jh@suse.cz>
1112 * tree-pass.h (pass_cleanup_eh): New function.
1113 (remove_unreachable_regions): Break code handling RTL
1114 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1115 that can not be reached by runtime.
1116 (can_be_reached_by_runtime): New function.
1117 (label_to_region_map): New function.
1118 (num_eh_regions): New function.
1119 (rtl_remove_unreachable_regions): New function.
1120 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1121 (remove_eh_region): New function.
1122 * except.h: Include sbitmap and vecprim.
1123 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1124 num_eh_regions): Declare.
1125 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1126 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1127 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1128 (tree_empty_eh_handler_p): New function.
1129 (cleanup_empty_eh): New function.
1130 (cleanup_eh): New function.
1131 (pass_cleanup_eh): New function.
1133 2009-03-29 Jan Hubicka <jh@suse.cz>
1135 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1136 for removed regions.
1138 2009-03-29 Jan Hubicka <jh@suse.cz>
1140 * except.c (dump_eh_tree): Dump all datastructures.
1142 2009-03-29 Jan Hubicka <jh@suse.cz>
1144 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1145 (duplicate_eh_regions_1): Likewise.
1146 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1147 vector; call EH verification.
1148 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1149 Be ready for region being removed.
1151 2009-03-29 Jan Hubicka <jh@suse.cz>
1153 * bitmap.c (bitmap_last_set_bit): New function.
1154 * bitmap.h (bitmap_last_set_bit): Declare.
1156 2009-03-29 David Ayers <ayers@fsfe.org>
1159 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1160 by calling objc_compare_types and surpress warnings about
1161 incompatible C pointers that are compatible ObjC pointers.
1163 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1165 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1166 call initialize_inline_failed.
1167 (initialize_inline_failed): Move it from here ...
1168 * cgraph.c (initialize_inline_failed): ... to here.
1169 (cgraph_create_edge): Call initialize_inline_failed rather than
1170 setting inline_failed directly.
1172 2009-03-29 Ben Elliston <bje@au.ibm.com>
1175 * sysv4.opt (msdata): Improve comment.
1176 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1177 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1179 2009-03-29 Ben Elliston <bje@au.ibm.com>
1182 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1183 load and store attributes.
1185 2009-03-29 Ben Elliston <bje@au.ibm.com>
1187 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1188 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1189 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1190 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1191 __builtin_infq and __builtin_huge_valq.
1193 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1195 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1197 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1198 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1200 2009-03-28 Xinliang David Li <davidxl@google.com>
1202 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1203 (do_dbg_cnt): New function.
1205 2009-03-28 Jan Hubicka <jh@suse.cz>
1207 Merge from pretty-ipa:
1209 2009-03-27 Jan Hubicka <jh@suse.cz>
1211 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1212 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1213 * passes.c (function_called_by_processed_nodes_p): New.
1214 * ipa-pure-const.c (check_call): Fix handling of operands.
1215 (analyze_function): Dump debug output for skipped bodies.
1216 (local_pure_const): Use function_called_by_processed_nodes_p.
1217 * dwarf2out.c (reference_to_unused): Use output.
1218 * passes.c (do_per_function_toporder): Likewise.
1220 2008-11-12 Jan Hubicka <jh@suse.cz>
1222 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1223 * ipa-pure-const.c (funct_state_d): Add can throw field; make
1224 state_set_in_source enum
1225 (check_decl): Ignore memory tags; do not set fake looping flags;
1227 (check_operand, check_tree, check_rhs_var, check_lhs_var,
1228 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1229 (check_call, analyze_function): Rewrite.
1231 (add_new_function): Update call of analyze_function.
1232 (generate_summary): Add call of analyze_function.
1233 (propagate): Propagate can_throw; handle state_set_in_source correctly.
1234 (local_pure_const): New function.
1235 (pass_local_pure_const): New pass.
1236 * ipa-inline.c (inline_transform): Set after_inlining.
1237 * tree-eh.c (stmt_can_throw_external): New.
1238 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1239 work with aliasing built.
1240 * tree-flow.h (stmt_can_throw_external): New.
1241 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1242 and local pure/const pass in early and late optimization queue.
1244 2009-03-28 Martin Jambor <mjambor@suse.cz>
1246 * fold-const.c (get_pointer_modulus_and_residue): New parameter
1248 (fold_binary): Allow function decl aligment consideration is the
1249 second argument is integer constant one.
1250 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1251 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1252 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
1254 2009-03-28 Jan Hubicka <jh@suse.cz>
1256 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
1257 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
1258 * function.h (rtl_data): Add nothrow flag.
1259 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
1260 set DECL_NOTHROW for AVAILABLE functions.
1262 2009-03-28 Jakub Jelinek <jakub@redhat.com>
1264 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
1265 following vector keyword has expansion starting with pixel or bool
1266 keyword, expand vector to __vector and pixel or bool to __pixel or
1270 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
1271 warn_if_disallowed_function_p): Removed.
1272 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
1273 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1274 warning_if_disallowed_function_p.
1275 * flags.h (warn_if_disallowed_function_p,
1276 warn_disallowed_functions): Removed.
1277 * common.opt (Wdisallowed-function-list=): Removed.
1278 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1280 2009-03-28 Richard Guenther <rguenther@suse.de>
1282 PR tree-optimization/38723
1283 * tree-ssa-pre.c (compute_avail): Add all default definitions to
1286 2009-03-28 Jan Hubicka <jh@suse.cz>
1288 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
1289 test introduced by my previous patch.
1291 2009-03-28 Richard Guenther <rguenther@suse.de>
1293 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
1294 the PHIs value undefined.
1296 2009-03-28 Jan Hubicka <jh@suse.cz>
1298 * tree-pass.h (pass_fixup_cfg): New pass.
1299 * ipa-inline.c (inline_transform): Set
1300 always_inline_functions_inlined/after_inlining.
1301 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
1302 (pass_fixup_cfg): New pass.
1303 * passes.c (init_optimization_passes): Add fixup_cfg.
1305 2009-03-28 Richard Guenther <rguenther@suse.de>
1307 PR tree-optimization/38458
1308 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1309 argument use the arguments copy-of value.
1311 2009-03-28 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/38180
1314 * tree-ssa-ccp.c (get_default_value): Simplify.
1315 (likely_value): Likewise.
1316 (surely_varying_stmt_p): Properly handle VOP case.
1317 (ccp_initialize): Likewise.
1318 (ccp_fold): Handle propagating through *&.
1319 (fold_const_aggregate_ref): Also handle decls.
1321 2009-03-28 Jan Hubicka <jh@suse.cz>
1323 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1324 * cgraph.h (cgraph_node): Likewise.
1325 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1326 (cgraph_reset_node): Use process flag.
1327 (cgraph_mark_functions_to_output): Likewise.
1328 (cgraph_expand_function): Likewise.
1329 (cgraph_expand_all_functions): Likewise.
1330 (cgraph_output_in_order): Likewise.
1331 * dwarf2out.c (reference_to_unused): Likewise.
1332 * passes.c do_per_function_toporder): Likewise.
1334 2009-03-28 Jan Hubicka <jh@suse.cz>
1336 Bring from lto-branch:
1338 2008-09-03 Doug Kwan <dougkwan@google.com>
1340 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1341 enums instead of reason strings.
1342 * cgraph.c (cgraph_create_edge): Same.
1343 (cgraph_inline_failed_string): New function.
1344 * cgraph.h (cgraph_inline_failed_t): New enum type.
1345 (cgraph_inline_failed_string): New prototype.
1346 (struct cgraph_edge): Change type of INLINED_FAILED from constant
1347 char pointer to cgraph_inline_failed_t.
1348 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1349 (cgraph_default_inline_p): Ditto.
1350 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1351 to cgraph_inline_failed_t pointer.
1352 * cif-code.def: New file.
1353 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1355 (cgraph_check_inline_limits): Change type of REASON to pointer to
1356 cgraph_inline_failed_t. Replace reason strings with enums.
1357 (cgraph_default_inline_p): Ditto.
1358 (cgraph_recursive_inlining_p): Ditto.
1359 (update_caller_keys): Change type of FAILED_REASON to
1360 cgraph_inline_failed_t.
1361 (cgraph_set_inline_failed): Change type of REASON to pointer to
1362 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
1363 convert enums to strings for text output.
1364 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1365 to be of type cgraph_inline_failed_t. Replace reason strings with
1366 enums. Call cgraph_inline_failed_string to covert enums
1367 to strings for text output.
1368 (cgraph_decide_inlining): Replace reason strings with enums.
1369 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1370 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
1372 * tree-inline.c (expand_call_inline): Change type of REASON
1373 to cgraph_inline_failed_t. Replace reason strings with enums.
1374 Call cgraph_inline_failed_string for text output.
1375 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1378 2009-03-28 Jan Hubicka <jh@suse.cz>
1380 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1381 cgraph_clone_node): Remove master clone handling.
1382 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1383 * cgraph.h (master_clone): Remove.
1384 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1385 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1386 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1388 2009-03-28 Jan Hubicka <jh@suse.cz>
1390 * cgraph.c (cgraph_function_body_availability): Functions declared
1391 inline are always safe to assume that it is not going to be replaced.
1393 2009-03-28 Richard Guenther <rguenther@suse.de>
1395 PR tree-optimization/38513
1396 * tree-ssa-pre.c (eliminate): Remove redundant stores.
1397 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1398 EXC_PTR_EXPR and FILTER_EXPR.
1399 (get_ref_from_reference_ops): Likewise.
1401 2009-03-28 Richard Guenther <rguenther@suse.de>
1403 PR tree-optimization/38968
1404 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1405 Use FLOOR_MOD_EXPR to compute misalignment.
1407 2009-03-28 Richard Guenther <rguenther@suse.de>
1409 PR tree-optimization/37795
1410 * tree.h (combine_comparisons): Declare.
1411 * fold-const.c (combine_comparisons): Export.
1412 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1414 (ifcombine_iforif): Use combine_comparisons.
1416 2009-03-28 Jan Hubicka <jh@suse.cz>
1418 * tree-eh.c (inlinable_call_p): New function.
1419 (make_eh_edges): Use it.
1420 (verify_eh_edges): Use it.
1421 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1422 * except.c (reachable_next_level): Add inlinable_function argument
1423 (sjlj_find_directly_reachable_regions): Update.
1424 (add_reachable_handler): Do not set saw_any_handlers.
1425 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1426 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1427 Add new inlinable call parameter.
1428 (can_throw_internal, can_throw_external): Update.
1429 * except.h (can_throw_internal_1, can_throw_external_1,
1430 foreach_reachable_handler): Update declaration.
1432 2009-03-28 Joseph Myers <joseph@codesourcery.com>
1434 * config/arm/t-arm-coff, config/h8300/coff.h,
1435 config/i386/i386-aout.h, config/i386/i386-coff.h,
1436 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1437 config/pdp11/2bsd.h, config/rs6000/aix41.h,
1438 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1439 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1440 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1441 sys-types.h: Remove.
1442 * Makefile.in: Remove protoize and fixproto support and references
1444 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1445 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1447 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1448 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1449 unprotoize$(exeext).
1450 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1451 (.PHONY): Don't depend on proto.
1452 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1453 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1454 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1455 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1456 build/gen-protos.o, build/scan.o, xsys-protos.h,
1457 build/fix-header$(build_exeext), build/fix-header.o,
1458 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1459 stmp-install-fixproto): Remove.
1460 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1461 SYSCALLS.c or fixproto files.
1462 (install-common): Don't install protoize.
1463 (install-headers-tar, install-headers-cpio, install-headers-cp):
1464 Don't depend on $(STMP_FIXPROTO).
1465 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1466 install fixproto files or write out fixproto settings.
1467 (uninstall): Don't uninstall protoize.
1468 * config.gcc (use_fixproto): Remove.
1469 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1470 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1471 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1472 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1473 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1474 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1475 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1476 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1477 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1478 * config/t-vxworks (STMP_FIXPROTO): Remove.
1479 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1480 STMP_FIXPROTO): Remove.
1481 * config.in, configure: Regenerate.
1482 * crtstuff.c (gid_t, uid_t): Don't undefine.
1483 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1484 (arm-*-coff, arm-*-aout: Remove target entries.
1485 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1486 Remove mention of AIX 4.1.
1487 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1488 * doc/invoke.texi (Running Protoize): Remove.
1489 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1490 (Protoize Caveats): Remove.
1491 * tsystem.h: Update comments on headers assumed to exist.
1493 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1495 * genautomata.c: Add a new year to the copyright. Add a new
1497 (struct insn_reserv_decl): Add comments for member bypass_list.
1498 (find_bypass): Remove.
1499 (insert_bypass): New.
1500 (process_decls): Use insert_bypass.
1501 (output_internal_insn_latency_func): Output all bypasses with the
1502 same input insn in one switch case.
1504 * rtl.def (define_bypass): Describe bypass choice.
1505 * doc/md.texi (define_bypass): Ditto.
1507 2009-03-27 Richard Guenther <rguenther@suse.de>
1509 * gimplify.c (mark_addressable): Export.
1510 * tree-flow.h (mark_addressable): Declare.
1511 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1512 * tree-ssa.c (verify_phi_args): Verify that address taken
1513 variables have TREE_ADDRESSABLE set.
1515 2009-03-27 Richard Guenther <rguenther@suse.de>
1517 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1518 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1519 Do not mark decls TREE_ADDRESSABLE.
1520 (build_fold_addr_expr): Adjust.
1521 (fold_addr_expr): Remove.
1522 (fold_unary): Use build_fold_addr_expr.
1523 (fold_comparison): Likewise.
1524 (split_address_to_core_and_offset): Likewise.
1525 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1527 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1528 (gimplify_modify_expr_to_memcpy): Mark source and destination
1530 * omp-low.c (create_omp_child_function): Mark the object decl
1532 (lower_rec_input_clauses): Mark the var we take the address of
1534 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1536 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1539 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1540 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1542 2009-03-27 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/39120
1545 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1547 (handle_lhs_call): Process return constraints. Add escape
1548 constraints if necessary.
1549 (handle_const_call): Fill out return constraints. Make nested
1550 case more precise. Avoid consttmp if possible.
1551 (handle_pure_call): Fill out return constraints. Avoid
1552 callused if possible.
1553 (find_func_aliases): Simplify call handling.
1555 2009-03-27 Richard Guenther <rguenther@suse.de>
1557 PR tree-optimization/39120
1558 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1559 as a representative.
1560 (solve_graph): Do propagate CALLUSED.
1561 (handle_pure_call): Use a scalar constraint from CALLUSED for
1563 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1566 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1569 * c-common.c (handle_aligned_attribute): Properly check alignment
1570 overflow. Use (1U << i) instead of (1 << i).
1572 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1574 * expr.h (get_mem_align_offset): Updated.
1576 * tree.h (tree_decl_common): Change align to "unsigned int" and
1577 move it before pointer_alias_set.
1579 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1580 Jakub Jelinek <jakub@redhat.com>
1583 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1584 gr_register_operand with gr_reg_or_0_operand.
1585 (cmpxchg_rel_di): Likewise.
1586 (sync_lock_test_and_set<mode>): Likewise.
1588 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1590 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1591 (true_regnum): Likewise.
1593 * rtlanal.c (subreg_info): Moved to ...
1594 * rtl.h (subreg_info): Here. New.
1595 (subreg_get_info): New.
1597 * rtlanal.c (subreg_get_info): Make it extern.
1599 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1602 * config/i386/i386.c (ix86_abi): New.
1603 (override_options): Handle -mabi=.
1604 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1605 (ix86_call_abi_override): Likewise.
1606 (init_cumulative_args): Likewise.
1607 (function_arg_advance): Likewise.
1608 (function_arg_64): Likewise.
1609 (function_arg): Likewise.
1610 (ix86_pass_by_reference): Likewise.
1611 (ix86_function_value_regno_p): Likewise.
1612 (ix86_build_builtin_va_list_abi): Likewise.
1613 (setup_incoming_varargs_64): Likewise.
1614 (is_va_list_char_pointer): Likewise.
1615 (ix86_init_machine_status): Likewise.
1616 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1617 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1618 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1619 (ix86_function_abi): Make it static and return enum calling_abi.
1620 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1622 (ix86_fn_abi_va_list): Updated.
1624 * config/i386/i386.h (ix86_abi): New.
1625 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1626 (CONDITIONAL_REGISTER_USAGE): Likewise.
1627 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1628 (machine_function): Likewise.
1630 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1632 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1633 (STACK_BOUNDARY): Likewise.
1634 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1636 * config/i386/i386.opt (mabi=): New.
1638 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1639 return enum calling_abi.
1640 (ix86_function_type_abi): Likewise.
1641 (ix86_function_abi): Removed.
1643 * doc/invoke.texi: Document -mabi= option for x86.
1645 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1647 * builtins.c (real_dconstp): Delete.
1648 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1650 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1651 Jakub Jelinek <jakub@redhat.com>
1654 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1655 (gen_subprogram_die): When a function is explicit, generate the
1656 DW_AT_explicit attribute.
1657 * langhooks.h (struct lang_hooks_for_decls): Add
1658 function_decl_explicit_p langhook.
1659 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1660 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1662 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1664 * builtins.c (fold_builtin_memory_op): Optimize memmove
1665 into memcpy if we can prove source and destination don't overlap.
1667 * tree-inline.c: Include gt-tree-inline.h.
1668 (clone_fn_id_num): New variable.
1669 (clone_function_name): New function.
1670 (tree_function_versioning): Use it.
1671 * Makefile.in (GTFILES): Add tree-inline.c.
1673 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1675 * BASE-VER: Change to 4.5.0.
1677 2009-03-27 Xinliang David Li <davidxl@google.com>
1679 PR tree-optimization/39557
1680 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1682 2009-03-27 Xinliang David Li <davidxl@google.com>
1684 PR tree-optimization/39548
1685 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1688 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1690 * c-common.c (pointer_int_sum): Use %wd on return from
1693 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1695 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1696 on return from tree_low_cst.
1698 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1701 * ginclude/stdarg.h (va_copy): Define also for
1702 __GXX_EXPERIMENTAL_CXX0X__.
1704 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1707 * builtins.h (c_strlen): Do not warn here.
1708 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1709 * c-common.c (pointer_int_sum): Take an explicit location.
1710 Warn about offsets out of bounds.
1711 * c-common.h (pointer_int_sum): Adjust declaration.
1713 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1715 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1718 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1721 * opts.c (warn_if_disallowed_function_p): Don't assume
1722 get_callee_fndecl must return non-NULL.
1724 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1726 PR rtl-optimization/39522
1727 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1728 when reg_reloaded_valid is set.
1730 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1732 * config/spu/divv2df3.c: New file.
1733 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1734 (DPBIT_FUNCS): Filter out _div_df.
1736 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1738 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1739 a jump insn, count that jump in the distance to the loop start.
1741 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1744 * config/sh/sh.c (calc_live_regs): Fix condition for global
1745 registers except PIC_OFFSET_TABLE_REGNUM.
1747 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1750 * doc/invoke.texi (-mconsole): New.
1754 (-mnop-fun-dllimport): New.
1758 (sub section "i386 and x86-64 Windows Options"): New.
1760 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1762 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1763 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1765 2009-03-25 Richard Guenther <rguenther@suse.de>
1768 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1771 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1773 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1774 neither of haifa/selective schedulers are working.
1776 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1778 * doc/invoke.texi (Debugging Options): Fix description of
1779 -fno-merge-debug-strings.
1781 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1783 * config/cris/libgcc.ver: New version-script.
1784 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1786 * configure.ac <GAS features, nop mnemonic>: Add pattern
1787 crisv32-*-* for "nop".
1788 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1789 * configure: Regenerate.
1791 2009-03-24 Ira Rosen <irar@il.ibm.com>
1793 PR tree-optimization/39529
1794 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1795 mark_sym_for_renaming for the tag copied to the new vector
1798 2009-03-24 Arthur Loiret <aloiret@debian.org>
1800 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1801 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1802 EXTRA_SPEC_FUNCTIONS.
1803 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1804 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1805 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1806 -march and -mtune options.
1808 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1810 * config/m68k/t-rtems: Add m5329 multilib.
1812 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1813 Jakub Jelinek <jakub@redhat.com>
1816 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1819 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1822 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1823 instead of c_parser_expression_conv, if original_code isn't one of the
1824 4 allowed comparison codes, fail.
1826 2009-03-23 Richard Guenther <rguenther@suse.de>
1828 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1829 * tree.h (struct tree_type): Likewise.
1830 * reload.h (struct insn_chain): Likewise.
1831 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1832 * function.h (struct function): Likewise.
1833 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1835 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1837 PR tree-optimization/39516
1838 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1840 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1842 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1843 should be set true if BITS_PER_WORD of target is bigger than 32
1845 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1847 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1848 Translate -B-options to -rpath-link. Correct existing
1849 rpath-link and conditionalize on !nostdlib.
1851 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1853 * doc/extend.texi (Function Attributes, Variable Attributes):
1855 * doc/invoke.texi (Debugging Options, Optimize Options)
1856 (i386 and x86-64 Options, MCore Options): Likewise.
1858 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1861 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1862 it for block local namespace aliases.
1863 (gen_decl_die): Pass context_die to gen_namespace_die.
1865 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1868 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1869 minimum or maximum value.
1871 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1873 * reginfo.c (globalize_reg): Recompute derived reg sets.
1875 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1878 * libgcc2.c (mprotect): Do not use signed arguments for
1879 VirtualProtect, use DWORD arguments. Also fix the 'may
1880 be used uninitialized' warning for the np variable.
1882 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1885 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1886 functions using regparm calling conventions when not optimizing.
1887 (ix86_function_sseregparm): Similarly for sseregparm calling
1890 2009-03-19 Li Feng <nemokingdom@gmail.com>
1893 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1894 dependence if the first conflict is after niter iterations.
1896 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1899 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1900 functions with dynamic stack-pointer adjustments.
1902 2009-03-19 Ben Elliston <bje@au.ibm.com>
1904 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1905 option; change to -msdata=data.
1907 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1909 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1912 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1915 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1917 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1919 * doc/invoke.texi (Code Gen Options): Expand discussion of
1922 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1924 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1925 * matrix-reorg.c (struct matrix_info): Likewise.
1926 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1927 * rtl.h (struct mem_attrs): Likewise.
1928 * df.h (struct df): Likewise.
1929 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1930 * ira-int.h (struct ira_allocno): Likewise.
1931 * df-scan.c (struct df_collection_rec): Likewise.
1932 * ira.c (struct equivalence): Likewise.
1933 * function.c (struct temp_slot): Likewise.
1934 * cfgloop.h (struct loop): Likewise.
1937 * function.c (use_register_for_decl): When not optimizing, disregard
1938 register keyword for variables with types containing methods.
1940 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1943 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1944 (is_simple_operand): Call contains_component_ref_p before calling data
1945 reference analysis that would fail on COMPONENT_REFs.
1947 * tree-vrp.c (search_for_addr_array): Fix formatting.
1949 2009-03-18 Richard Guenther <rguenther@suse.de>
1951 * tree-vect-transform.c (vect_loop_versioning): Fold the
1952 generated comparisons.
1953 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1954 (slpeel_tree_peel_loop_to_edge): Likewise.
1956 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1959 * opts.c (print_specific_help): In addition to `undocumented',
1960 accept `separate' and `joined' flags if passed alone. Describe
1961 output by the first matched one of those.
1962 (common_handle_option): Skip over empty strings.
1963 * gcc.c (display_help): Fix help string for `--help='.
1964 * doc/invoke.texi (Option Summary, Overall Options): With
1965 `--help=', classes and qualifiers can both be repeated, but
1966 only the latter can be negated. One should not pass only
1967 negated qualifiers. Fix markup and examples.
1970 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1972 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1973 and -fhelp=separate.
1975 2009-03-17 Jing Yu <jingyu@google.com>
1978 * function.h (struct rtl_data): Move is_thunk from here...
1979 (struct function): ...to here.
1980 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1981 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1983 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1985 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1986 (alpha_output_function_end_prologue): Likewise.
1987 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1988 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1989 (rs6000_output_function_epilogue): Likewise.
1990 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1992 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1995 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1996 from different units in a single alternative.
1997 (*truncdfsf_i387): Ditto.
1998 (*truncxfsf2_mixed): Ditto.
1999 (*truncxfdf2_mixed): Ditto.
2001 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2003 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2004 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2007 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2008 unused non-artificial variables when not optimizing.
2011 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2012 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2013 NAMESPACE_DECL in its DECL_INITIAL.
2016 * optabs.c (set_user_assembler_libfunc): New function.
2017 * expr.h (set_user_assembler_libfunc): New prototype.
2018 * c-common.c: Include libfuncs.h.
2019 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2020 for memcmp, memset, memcpy, memmove and abort.
2021 * Makefile.in (c-common.o): Depend on libfuncs.h.
2024 * dwarf2out.c (gen_inlined_enumeration_type_die,
2025 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2026 gen_tagged_type_instantiation_die): Removed.
2027 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2030 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2033 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2035 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2036 (check-parallel-%): Ditto.
2037 (check-consistency): Ditto.
2039 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2041 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2042 local variable rhs by NULL_TREE.
2044 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2047 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2049 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2052 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2054 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2057 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2058 for ms->sysv ABI calls only in 64bit mode.
2060 * config/i386/i386.md (untyped_call): Support 32bit.
2062 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2064 * doc/extend.texi: Replace x86_65 with x86_64.
2066 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2068 PR tree-optimization/39455
2069 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2070 mismatches for POINTER_TYPE_P (type).
2071 (number_of_iterations_le): Likewise.
2073 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2075 * config/picochip/picochip.c: Removed profiling support.
2076 * config/picochip/picochip.md: Removed profiling instruction.
2077 * config/picochip/picochip.h: Removed profiling builtin.
2079 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2081 * doc/install.texi (--with-host-libstdcxx): Document.
2083 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2086 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2087 generate a warning if the function name does not begin with
2088 "__vector" and the function has either the 'signal' or 'interrupt'
2089 attribute, from here to ...
2090 (avr_declare_function_name): ...here. New function.
2091 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2092 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2094 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2097 * cse.c (fold_rtx): Don't modify original const_arg1 when
2098 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2099 separate variable instead.
2100 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2101 from out of range shift counts.
2102 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2104 2008-03-13 Catherine Moore <clm@codesourcery.com>
2106 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2107 diagnostic.h with $(DIAGNOSTIC_H).
2109 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2112 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2114 * config/i386/sync.md (sync_compare_and_swap<mode>,
2115 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2116 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2118 (sync_double_compare_and_swapdi_pic,
2119 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2120 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2122 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2125 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2127 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2130 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2131 (avx_addsubv4df3): Likewise.
2132 (*avx_addsubv4sf3): Likewise.
2133 (sse3_addsubv4sf3): Likewise.
2135 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2138 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2140 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2143 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2144 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2145 registers for allocnos created from user-defined variables.
2147 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2150 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2151 of non-integer mode as well.
2153 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2155 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2156 for functions for which the parameter types are unknown.
2158 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2161 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2162 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2163 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2164 * config/i386/i386.c (ix86_local_alignment): For
2165 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2166 long long variables on the stack to avoid dynamic realignment.
2167 Allow the first argument to be a decl rather than type.
2168 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2170 2009-03-11 Nick Clifton <nickc@redhat.com>
2173 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2175 Add description to mno-lsim option.
2176 * config/mcore/mcore.h: Remove comment about deprecated m4align
2178 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2179 * doc/invoke.texi: Add description of mno-lsim and
2180 mstack-increment options.
2182 * config/fr30/fr30.opt: Document the -mno-lsim option.
2183 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2184 and -mno-lsim options.
2186 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2188 * fold-const.c (fold_comparison): Only call fold_inf_compare
2189 if the mode supports infinities.
2191 2009-03-11 Jason Merrill <jason@redhat.com>
2194 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2195 end already did. Notice GIMPLE_CALL modifications of the result.
2196 Don't copy debug information from an ignored decl or a decl from
2199 2009-03-10 Richard Guenther <rguenther@suse.de>
2200 Nathan Froyd <froydnj@codesourcery.com>
2203 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2204 (__divMODE3): Likewise.
2206 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2208 PR tree-optimization/39394
2209 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2210 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2212 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2214 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2215 inline asms for register asm ("") declarations.
2217 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
2219 * fold-const.c (fold_unary): Fix comment.
2221 2009-03-07 Jan Hubicka <jh@suse.cz>
2224 * tree-inline.c (setup_one_parameter): Do replacement of const
2225 argument by constant in SSA form.
2227 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2230 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2231 determine alignment passed to assign_stack_local.
2232 (assign_parms_unsplit_complex): Likewise.
2233 * except.c (sjlj_build_landing_pads): Likewise.
2235 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2238 * tree-flow.h (add_referenced_var): Return bool instead of void.
2239 * tree-dfa.c (add_referenced_var): Return result of
2240 referenced_var_check_and_insert call.
2241 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2242 of referenced_var_check_and_insert.
2245 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2246 (gen_variable_die): Emit DW_AT_location on abstract static variable's
2247 DIE, don't emit it if abstract origin already has it.
2248 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2249 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2251 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2253 * genpreds.c (needs_variable): Fix parentheses at variable name
2255 (write_tm_constrs_h): Indent generated code.
2257 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2259 * doc/extend.texi (Function Attributes): Add documentation
2262 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2265 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
2266 take locus from its DECL_SOURCE_LOCATION instead of input_location.
2268 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
2270 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
2273 2009-03-05 Jakub Jelinek <jakub@redhat.com>
2276 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2277 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2279 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
2281 * config/i386/i386.md (R8_REG, R9_REG): New constants.
2282 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
2283 constants instead of magic numbers.
2284 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2286 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
2287 (x86_64_ms_abi_int_parameter_registers): Ditto.
2288 (x86_64_int_return_registers): Ditto.
2289 (ix86_maybe_switch_abi): Ditto.
2290 (ix86_expand_call): Ditto for clobbered_registers array.
2291 (ix86_hard_regno_mode_ok): Ditto.
2292 (x86_extended_QIreg_mentioned_p): Ditto.
2294 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
2296 PR tree-optimization/39349
2297 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
2299 * combine.c (gen_lowpart_for_combine): Use omode when generating
2302 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
2304 PR rtl-optimization/39235
2305 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
2307 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2309 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2311 2009-03-04 Richard Guenther <rguenther@suse.de>
2313 PR tree-optimization/39362
2314 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2315 that occur in abnormal PHIs should be varying.
2317 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2319 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2321 (simple_iv): Take loop as an argument instead of statement.
2322 * tree-scalar-evolution.h (simple_iv): Declaration changed.
2323 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2325 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2327 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2328 * matrix-reorg.c (analyze_transpose): Ditto.
2329 * tree-data-ref.c (dr_analyze_innermost): Ditto.
2330 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2331 * tree-predcom.c (ref_at_iteration): Ditto.
2332 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2334 2009-03-04 Richard Guenther <rguenther@suse.de>
2336 PR tree-optimization/39358
2337 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2338 escaped_id and callused_id.
2339 (solve_graph): Likewise.
2341 2009-03-04 Richard Guenther <rguenther@suse.de>
2343 PR tree-optimization/39339
2344 * tree-sra.c (try_instantiate_multiple_fields): Make it
2345 no longer ICE on the above.
2347 2009-03-03 Joseph Myers <joseph@codesourcery.com>
2349 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2350 that fits within Pmode.
2352 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2355 * tm.texi (LIBCALL_VALUE): Update description.
2357 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2360 * doc/extend.texi (section): Update description.
2362 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
2365 * tree-inline.c (remapped_type): New.
2366 (can_be_nonlocal): Call remapped_type instead of remap_type.
2368 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2371 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2372 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2374 2009-03-03 Richard Guenther <rguenther@suse.de>
2377 * tree.c (tree_nonartificial_location): New function.
2378 * tree.h (tree_nonartificial_location): Declare.
2379 * builtins.c (expand_builtin_memory_chk): Provide location
2380 of the call location for artificial function pieces.
2381 (maybe_emit_chk_warning): Likewise.
2382 (maybe_emit_sprintf_chk_warning): Likewise.
2383 (maybe_emit_free_warning): Likewise.
2384 * expr.c (expand_expr_real_1): Likewise.
2386 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2388 PR tree-optimization/39343
2389 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2390 COMPONENT_REF t has ARRAY_TYPE.
2392 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
2395 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2396 when the type precision of the induction variable should be
2397 larger than the type precision of nit.
2398 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2399 * graphite.c (graphite_loop_normal_form): Same.
2400 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2402 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2404 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2405 (*call_1_rex64_ms_sysv): Use named constants instead of magic
2406 numbers to describe clobbered registers.
2407 (*call_value_0_rex64_ms_sysv): Ditto.
2408 * config/i386/mmx.md (mmx_emms): Ditto.
2411 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
2413 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2416 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2418 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2419 (spu_section_type_flags): New function.
2421 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2423 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2424 reg_class_contents of FLOAT_REGS into a temporary.
2426 2009-03-02 Richard Guenther <rguenther@suse.de>
2427 Ira Rosen <irar@il.ibm.com>
2429 PR tree-optimization/39318
2430 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2431 information to the vectorized statement.
2433 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
2435 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2436 variable. Use defined names instead of magic constants for REX SSE
2439 2009-03-01 Richard Guenther <rguenther@suse.de>
2441 PR tree-optimization/39331
2442 * omp-low.c (lower_send_shared_vars): Do not receive new
2443 values for the reference of DECL_BY_REFERENCE parms or results.
2445 2009-03-01 Jan Hubicka <jh@suse.cz>
2448 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2449 BLOCK_NONLOCALIZED_VAR): New macros.
2450 (tree_block): Add nonlocalized_vars.
2451 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2452 gen_decl_die): Add origin argument. Allow generation of die with
2453 origin at hand only.
2454 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2455 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2457 (gen_block_die): Fix checking for unused blocks.
2458 (process_scope_var): Break out from .... ; work with origins only.
2459 (decls_for_scope) ... here; process nonlocalized list.
2460 (dwarf2out_ignore_block): Look for nonlocalized vars.
2461 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2463 (dump_scope_block): Dump them.
2464 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2465 (remap_block): Likewise.
2466 (can_be_nonlocal): New predicate.
2467 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2469 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2471 * configure: Regenerate.
2473 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2475 * optc-gen.awk: No need to duplicate option flags twice.
2476 Reuse help texts for duplicate options which do not have any.
2478 * gcc.c (display_help): Document --version.
2480 * gcc.c (main): If print_help_list and verbose_flag, ensure
2481 driver output comes before subprocess output.
2483 * optc-gen.awk: Assign all remaining fields to help string,
2484 space-separated, for multi-line help in *.opt.
2486 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2487 -Wno-pedantic-ms-format is for MinGW targets only.
2489 * doc/options.texi (Option file format): Fix bad indentation,
2490 restoring dropped sentence.
2492 2009-02-28 Jan Hubicka <jh@suse.cz>
2494 * tree-inline.c (tree_function_versioning): Output debug info.
2496 2009-02-28 Jan Hubicka <jh@suse.cz>
2499 * tree-inline.c (setup_one_parameter): Do not copy propagate
2500 arguments when not optimizing.
2502 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2505 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2506 (avx_addsubv4df3): Likewise.
2507 (*avx_addsubv4sf3): Likewise.
2508 (sse3_addsubv4sf3): Likewise.
2509 (*avx_addsubv2df3): Likewise.
2510 (sse3_addsubv2df3): Likewise.
2511 (avx_unpckhps256): Correct item selectors.
2512 (avx_unpcklps256): Likewise.
2513 (avx_unpckhpd256): Likewise.
2514 (avx_unpcklpd256): Likewise.
2516 2009-02-28 Jan Hubicka <jh@suse.cz>
2518 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2520 (copy_arguments_for_versioning): If var is declared don't declare it.
2521 (tree_function_versioning): First setup substitutions and then copy
2524 2009-02-27 Jan Hubicka <jh@suse.cz>
2527 * cgraph.h (varpool_output_debug_info): Remove.
2528 * cgraphunit.c (varpool_output_debug_info): Remove.
2529 * dwarf2out.c (deferred_locations_struct): New struct
2530 (deferred_locations): New type.
2531 (deferred_locations_list): New static var.
2532 (deffer_location): New function.
2533 (gen_variable_die): Use it.
2534 (decls_for_scope): Output info on local static vars.
2535 (dwarf2out_finish): Process deferred locations.
2536 * varpool.c (varpool_output_debug_info): Remove.
2538 2009-02-27 Jan Hubicka <jh@suse.cz>
2541 * tree.h (TREE_PROTECTED): Fix comment.
2542 (BLOCK_HANDLER_BLOCK): Remove.
2543 (struct tree_block): Remove handler_block add body_block.
2544 (inlined_function_outer_scope_p): New.
2545 (is_body_block): Remove.
2546 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2547 * dwarf2out.c (is_inlined_entry_point): Remove.
2548 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2549 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2551 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2552 * gimplify.c (gimplify_expr): Gimplify body blocks.
2553 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2554 block with multiple subblocks.
2555 (dump_scope_block): Prettier output; dump more flags and info.
2556 (dump_scope_blocks): New.
2557 (remove_unused_locals): Use dump_scope_blocks.
2558 * tree-flow.h (dump_scope_blocks): Declare.
2559 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2560 * stmt.c (is_body_block): Remove.
2561 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2562 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2564 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2567 * graphite.c (graphite_loop_normal_form): Do not call
2568 number_of_iterations_exit from a gcc_assert.
2570 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2572 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2573 jumps if COND is NULL.
2574 (find_cond_jump): New function.
2575 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2576 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2578 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2580 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2581 force_const_mem returns NULL_RTX.
2583 2009-02-26 Jan Hubicka <jh@suse.cz>
2586 * cgraph.h (varpool_output_debug_info): Remove.
2587 * cgraphunit.c (varpool_output_debug_info): Remove.
2588 * dwarf2out.c (deferred_locations_struct): New struct
2589 (deferred_locations): New type.
2590 (deferred_locations_list): New static var.
2591 (deffer_location): New function.
2592 (gen_variable_die): Use it.
2593 (decls_for_scope): Output info on local static vars.
2594 (dwarf2out_finish): Process deferred locations.
2595 * varpool.c (varpool_output_debug_info): Remove.
2597 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2599 PR rtl-optimization/39241
2600 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2601 to subreg_offset_representable_p.
2603 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2605 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2606 execute function prototype. Get f and nregs from max_reg_num
2607 and get_insns. Remove the first backward pass as it's dead,
2608 guard the forward pass by flag_expensive_optimizations.
2609 (rest_of_handle_regmove): Delete.
2610 (pass_regmove): Replace it with regmove_optimize.
2612 2009-02-25 Martin Jambor <mjambor@suse.cz>
2614 PR tree-optimization/39259
2615 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2616 calls_alloca function flags.
2617 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2620 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2622 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2623 flags_set_1_rtx, flags_set_1_set): Delete.
2624 (regmove_optimize): Do not call mark_flags_life_zones.
2626 2009-02-24 Julian Brown <julian@codesourcery.com>
2629 * config/arm/arm.c (require_pic_register): Only set
2630 cfun->machine->pic_reg once per function.
2632 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2634 * doc/invoke.texi (Link Options): Document an easier way to pass
2635 options that take arguments to the GNU linker using -Xlinker and -Wl.
2637 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2640 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2642 2009-02-24 Richard Guenther <rguenther@suse.de>
2645 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2647 2009-02-24 Richard Guenther <rguenther@suse.de>
2648 Zdenek Dvorak <ook@ucw.cz>
2650 PR tree-optimization/39233
2651 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2652 from converting them to a generic type.
2654 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2656 PR tree-optimization/39260
2657 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2658 contains a condition with a real type.
2659 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2661 2009-02-23 Jason Merrill <jason@redhat.com>
2664 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2665 narrowing_initializer_constant_valid_p.
2666 (narrowing_initializer_constant_valid_p): Don't return
2667 null_pointer_node for adding a pointer to itself.
2669 2009-02-23 Jan Hubicka <jh@suse.cz>
2672 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2675 2009-02-23 Jan Hubicka <jh@suse.cz>
2677 PR tree-optimization/37709
2678 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2679 * tree.h (block_ultimate_origin): Declare.
2680 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2681 * tree-ssa-live.c (remove_unused_scope_block_p):
2682 Eliminate blocks containig no instructions nor live variables nor
2684 (dump_scope_block): New function.
2685 (remove_unused_locals): Enable removal of dead blocks by default;
2686 enable dumping at TDF_DETAILS.
2688 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2690 * config/i386/i386.c (classify_argument): Don't allow COImode
2692 (function_arg_advance_32): Don't allow OImode.
2693 (function_arg_32): Likewise.
2694 (function_value_32): Likewise.
2695 (return_in_memory_32): Likewise.
2696 (function_arg_64): Remove OImode comment.
2698 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2701 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2702 ix86_expand_vector_set for V4DImode in 64bit mode only.
2703 (ix86_expand_vector_init_one_var): Likewise.
2705 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2707 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2709 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2712 * loop-iv.c: Revert last change.
2713 * emit-rtl.c: Likewise.
2715 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2718 * config/i386/i386.c (type_natural_mode): Remove an extra
2719 space in the warning message.
2720 (function_value_32): Handle 32-byte vector modes.
2721 (return_in_memory_32): Likewise.
2723 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2725 * loop-iv.c (truncate_value): New function.
2726 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2728 (lowpart_subreg): Move to...
2729 * emit-rtl.c: ...here.
2731 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2733 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2734 accidental and undocumented change at revision 140860.
2736 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2738 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2739 take gimple_seq * arguments.
2740 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2741 types_compatible_p langhook.
2743 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2744 Joseph Myers <joseph@codesourcery.com>
2746 * config/arm/arm.c (arm_builtin_va_list): New function.
2747 (arm_expand_builtin_va_start): Likewise.
2748 (arm_gimplify_va_arg_expr): Likewise.
2749 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2750 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2751 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2752 (va_list_type): New variable.
2753 (arm_mangle_type): Mangle va_list_type appropriately.
2755 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2758 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2759 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2760 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2761 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2762 parameter to 1000 for -O1 by default.
2763 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2765 * loop-invariant.c: Include params.h.
2766 (move_loop_invariants): Don't call move_single_loop_invariants on
2769 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2771 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2772 offset when calculating bounds for indexing stack_usage_map. Fixes
2773 a buffer overflow with certain target setups.
2775 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2778 * calls.c (expand_call): Clear try_tail_call if caller and callee
2779 disagree in promotion of function return value.
2781 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2784 * c-common.c (c_determine_visibility): If visibility changed and
2785 DECL_RTL has been already set, call make_decl_rtl to update symbol
2788 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2791 * varasm.c (assemble_variable): Don't check DECL_NAME when
2792 globalizing a variable.
2794 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2797 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2798 expression before any __builtin_trap call.
2799 * c-typeck.c (build_function_call): Convert and check function
2800 arguments before generating a call to a trap. Evaluate the
2801 function arguments before the trap.
2803 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2806 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2807 (UNSPEC_FXAM_MEM): New unspec.
2808 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2809 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2810 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2812 2009-02-19 Richard Guenther <rguenther@suse.de>
2814 PR tree-optimization/39207
2815 PR tree-optimization/39074
2816 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2817 storedanything_tree): New.
2818 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2819 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2820 (build_succ_graph): Add edges from STOREDANYTHING to all
2822 (init_base_vars): Initialize STOREDANYTHING.
2823 (compute_points_to_sets): Free substitution info after
2824 building the succ graph.
2825 (ipa_pta_execute): Likewise.
2827 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2829 (do_ds_constraint): Do not add to special var or non-pointer
2831 (type_could_have_pointers): Split out from ...
2832 (could_have_pointers): ... here. For arrays use the element type.
2833 (create_variable_info_for): Initialize may_have_pointers.
2834 (new_var_info): Likewise.
2835 (handle_lhs_call): Make the HEAP variable unknown-sized.
2836 (intra_create_variable_infos): Use a type with pointers for
2837 PARM_NOALIAS, make it unknown-sized.
2839 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2842 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2844 2009-02-18 Jason Merrill <jason@redhat.com>
2847 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2848 value if DECL_EXTERNAL.
2849 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2850 * target.h (gcc_target::binds_local_p): Clarify "module".
2851 * tree.h (TREE_PUBLIC): Clarify "module".
2853 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2856 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2857 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2859 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2862 * c.opt (Wabi): Support C and ObjC.
2865 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2867 * config/i386/i386.c (classify_argument): Warn once about the ABI
2868 change when passing union with long double.
2870 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2872 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2875 * c-parser.c (c_parser_compound_statement): Always enter and leave
2878 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2881 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2883 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2885 PR tree-optimization/36922
2886 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2887 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2890 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2892 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2895 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2897 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2899 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2901 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2904 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2905 Richard Sandiford <rdsandiford@googlemail.com>
2907 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2908 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2909 (loongson_biadd): ...this.
2911 2009-02-17 Richard Guenther <rguenther@suse.de>
2913 PR tree-optimization/39202
2914 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2915 a var make sure to follow existing collapses.
2917 2009-02-17 Richard Guenther <rguenther@suse.de>
2920 * langhooks.c (lhd_print_error_function): Check for NULL block.
2922 2009-02-17 Richard Guenther <rguenther@suse.de>
2924 PR tree-optimization/39204
2925 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2928 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2930 * config/soft-fp/double.h: Update from glibc CVS.
2932 2009-02-17 Richard Guenther <rguenther@suse.de>
2934 PR tree-optimization/39207
2935 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2936 strict-aliasing warnings for pointers pointing to NULL.
2938 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2941 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2942 skipping until next close brace.
2944 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2947 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2948 to function argument boundary.
2950 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2952 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2953 in the lea_add. Reload eventually constraints it properly.
2954 * config/picochip/constraints.md : Remove the target constraint
2955 "b", since it is not needed anymore.
2957 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2959 * gthr-dce.h: Uglify function parameter and local variable names.
2960 * gthr-gnat.h: Likewise.
2961 * gthr-mipssde.h: Likewise.
2962 * gthr-nks.h: Likewise.
2963 * gthr-posix95.h: Likewise.
2964 * gthr-posix.h: Likewise.
2965 * gthr-rtems.h: Likewise.
2966 * gthr-single.h: Likewise.
2967 * gthr-solaris.h: Likewise.
2968 * gthr-tpf.h: Likewise.
2969 * gthr-vxworks.h: Likewise.
2970 * gthr-win32.h: Likewise.
2972 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2975 * config/i386/i386.md: Restrict the new peephole2 to move
2976 between MMX/SSE registers.
2978 2009-02-15 Richard Guenther <rguenther@suse.de>
2981 2009-02-13 Richard Guenther <rguenther@suse.de>
2983 * configure.ac: Enable LFS.
2984 * configure: Re-generate.
2985 * config.in: Likewise.
2987 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2989 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2990 spu_srqwbyte, spu_srqwbytebc): Define.
2991 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2992 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2993 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2994 "shrqby_<mode>"): New insn-and-split patterns.
2995 * config/spu/spu.c (expand_builtin_args): Determine and return
2996 number of operands using spu_builtin_description data.
2997 (spu_expand_builtin_1): Use it.
2999 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3002 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3005 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3008 * config/i386/i386.c (override_options): Correct warning
3009 messages for -malign-loops, -malign-jumps and -malign-functions.
3011 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3014 * config/i386/i386.md: Restrict the new peephole2 to move
3015 between the general purpose registers.
3017 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3020 * config/i386/i386.c (type_natural_mode): Add a new argument.
3021 Return the original mode and warn ABI change if vector size is 32byte.
3022 (function_arg_advance): Updated.
3023 (function_arg): Likewise.
3024 (ix86_function_value): Likewise.
3025 (ix86_return_in_memory): Likewise.
3026 (ix86_sol10_return_in_memory): Likewise.
3027 (ix86_gimplify_va_arg): Likewise.
3028 (function_arg_32): Don't warn ABX ABI change here.
3029 (function_arg_64): Likewise.
3031 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3033 * loop-iv.c (implies_p): In the final case, test that operands 0
3034 of the two comparisons match.
3036 * config/bfin/bfin.c (find_prev_insn_start): New function.
3037 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3038 (find_next_insn_start): Move.
3040 2009-02-13 Richard Guenther <rguenther@suse.de>
3042 * configure.ac: Enable LFS.
3043 * configure: Re-generate.
3044 * config.in: Likewise.
3046 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3049 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3050 sizes on syntax error after some arguments have been parsed.
3052 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3054 * doc/invoke.texi (-fira): Remove.
3056 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3058 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3059 * recog.c: Likewise.
3062 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3064 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3065 (umul_ppmm): Likewise.
3066 (count_leading_zeros): Likewise.
3067 (count_trailing_zeros): Likewise.
3068 (UMUL_TIME): Likewise.
3070 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3072 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3073 soft-fp/t-softfp to tmake_file.
3075 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3076 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3077 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3078 IA64_BUILTIN_INFQ]: New.
3079 (ia64_init_builtins): Initialize __builtin_infq,
3080 __builtin_fabsq and __builtin_copysignq if not HPUX.
3081 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3082 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3084 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3086 (__fixtfti): Likewise.
3087 (__fixunstfti): Likewise.
3088 (__floattitf): Likewise.
3090 * config/ia64/libgcc-glibc.ver: New.
3091 * config/ia64/t-fprules-softfp: Likewise.
3092 * config/ia64/sfp-machine.h: Likewise.
3094 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3095 (LIBGCC2_TF_CEXT): Likewise.
3096 (TF_SIZE): Likewise.
3097 (TARGET_INIT_LIBFUNCS): Likewise.
3099 * config/ia64/t-glibc (SHLINB_MAPFILES):
3100 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3102 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3104 * config/i386/i386.c (construct_container): Rewrite processing
3105 BLKmode with X86_64_SSE_CLASS.
3107 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3110 * config/i386/i386.md: Replace simplify_replace_rtx with
3111 replace_rtx in the new peephole2.
3113 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3115 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3116 loop unrolling do not happen at -O2.
3118 2009-02-12 Michael Matz <matz@suse.de>
3120 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3122 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3124 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3127 2009-02-12 Ben Elliston <bje@au.ibm.com>
3129 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3130 patterns when updating the back chain. Missed in the 2009-02-10
3133 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3135 * doc/extend.texi (Decimal Floating Types): Update identifier of
3136 draft TR and list of missing support.
3138 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3141 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3142 bit to variable length decl's flags, add it also to its
3143 pointer replacement variable.
3145 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3146 Jakub Jelinek <jakub@redhat.com>
3149 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3150 (memory_blockage): New expander.
3151 (*memory_blockage): New insn pattern.
3152 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3153 instead of general blockage at the end of function prologue when
3154 frame pointer is used to access red zone area. Do not emit blockage
3155 when profiling, it is emitted in generic code.
3156 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3157 function epilogue when frame pointer is used to access red zone area.
3159 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3162 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3163 by arithmetic with memory operands.
3164 * config/i386/predicates.md (commutative_operator): New.
3166 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3168 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3171 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3173 * alias.h (record_alias_subset): Declare.
3174 * alias.c (record_alias_subset): Make global.
3176 2009-02-10 Nick Clifton <nickc@redhat.com>
3178 * tree-parloops.c: Change license to GPLv3.
3179 * ipa-struct-reorg.c: Change license to GPLv3.
3180 * ipa-struct-reorg.h: Change license to GPLv3.
3182 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3185 * c-decl.c (start_struct): Return NULL on error.
3187 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3190 * cfgloopmanip.c (remove_path): Call remove_bbs after
3191 cancel_loop_tree, not before it.
3194 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3195 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3196 VAR_DECLs were seen.
3197 * tree-ssa-live.c (remove_unused_locals): Recompute
3198 cfun->has_local_explicit_reg_vars.
3199 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3200 copies or clearings if cfun->has_local_explicit_reg_vars.
3202 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3205 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3206 of function prologue when frame pointer is used to access
3209 2009-02-10 Richard Guenther <rguenther@suse.de>
3212 * gimplify.c (gimple_regimplify_operands): Always look if
3213 we need to create a temporary.
3215 2009-02-10 Richard Guenther <rguenther@suse.de>
3217 PR tree-optimization/39132
3218 * tree-loop-distribution.c (todo): New global var.
3219 (generate_memset_zero): Trigger TODO_rebuild_alias.
3220 (tree_loop_distribution): Return todo.
3222 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
3225 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3226 (x86_64_reg_class_name): Removed.
3227 (classify_argument): Return 0 if bytes > 32. Return 0 if the
3228 first one isn't X86_64_SSE_CLASS or any other ones aren't
3229 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
3230 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3231 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
3232 and 3 X86_64_SSEUP_CLASS.
3233 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
3234 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3236 2009-02-10 Ben Elliston <bje@au.ibm.com>
3238 * config/rs6000/rs6000.md (allocate_stack): Always use an update
3239 form instruction to update the stack back chain word, even if the
3240 user has disabled the generation of update instructions.
3241 (movdi_<mode>_update_stack): New.
3242 (movsi_update_stack): Likewise.
3243 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3244 always use an update form instruction to update the stack back
3247 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
3250 * graphite.c (if_region_set_false_region): After moving a region in
3251 the false branch of a condition, remove the empty dummy basic block.
3252 (gloog): Remove wrong fix for PR38953.
3254 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3256 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
3257 generation due to implicit sign extension.
3259 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
3262 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
3263 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
3265 2009-02-09 Richard Guenther <rguenther@suse.de>
3268 * convert.c (convert_to_real): Disable (float)fn((double)x)
3269 to fnf(x) conversion if errno differences may occur and
3270 -fmath-errno is set.
3272 2009-02-07 Anatoly Sokolov <aesok@post.ru>
3274 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3275 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3276 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3278 2009-02-06 Joseph Myers <joseph@codesourcery.com>
3281 * c-common.c (handle_alias_attribute): Disallow attribute for
3282 anything not a FUNCTION_DECL or VAR_DECL.
3284 2009-02-06 Janis Johnson <janis187@us.ibm.com>
3287 * real.c (do_compare): Special-case compare of zero against
3288 decimal float value.
3290 2009-02-06 Joseph Myers <joseph@codesourcery.com>
3293 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
3294 as indicating flexible array members unless the field itself is
3295 being declarared as the incomplete array.
3297 2009-02-06 Jan Hubicka <jh@suse.cz>
3299 PR tree-optimization/38844
3300 * ipa-inline.c (try_inline): Stop inlining recursion when edge
3303 2009-02-06 Richard Guenther <rguenther@suse.de>
3306 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
3307 fork because we may expand it as __gcov_fork.
3309 2009-02-06 Nick Clifton <nickc@redhat.com>
3311 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3313 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
3315 PR tree-optimization/35659
3316 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3317 vn_phi_eq): Shortcut if hashcode does not match.
3318 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3320 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3321 and avoid iterative_hash_expr.
3322 (FOR_EACH_VALUE_ID_IN_SET): New.
3323 (value_id_compare): Remove.
3324 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3325 sort expressions by value id.
3327 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
3330 * config/sh/predicates.md (general_movsrc_operand): Don't check
3331 the subreg of system registers here.
3333 2009-02-05 Jakub Jelinek <jakub@redhat.com>
3336 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3339 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
3341 PR rtl-optimization/39110
3342 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3343 addresses, not aligned ones.
3345 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
3346 Richard Guenther <rguenther@suse.de>
3348 PR tree-optimization/39100
3349 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3350 comment says and add edges.
3352 2009-02-05 Joseph Myers <joseph@codesourcery.com>
3355 * c-common.c (handle_tls_model_attribute): Ignore attribute for
3356 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3358 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
3360 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3361 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3362 register_bb_in_sese, new_sese, free_sese): Moved.
3363 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3364 outermost_loop_in_scop, build_scop_iteration_domain,
3365 expand_scalar_variables_ssa_name, get_vdef_before_scop,
3366 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3367 Use loop_in_sese_p instead of loop_in_scop_p.
3368 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3369 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3370 (scopdet_basic_block_info): Fix bug in scop detection.
3371 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3372 eq_loop_to_cloog_loop): Remove.
3373 (nb_loops_around_loop_in_scop, nb_loop
3374 ref_nb_loops): Moved here...
3375 * graphite.h (ref_nb_loops): ... from here.
3376 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3377 (loop_domain_dim, loop_iteration_vector_dim): Remove.
3378 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3379 * testsuite/gcc.dg/graphite/scop-19.c: New
3381 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
3382 Hans-Peter Nilsson <hp@axis.com>
3384 PR rtl-optimization/37889
3385 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3386 Move offset handling from PLUS to before the switch. Use new
3387 arguments when considering SYMBOL_REFs too.
3388 (rtx_addr_can_trap_p): Pass dummy offset and size.
3389 (enum may_trap_p_flags): Remove.
3390 (may_trap_p_1): Pass size from MEM_SIZE.
3392 PR rtl-optimization/38921
3393 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3394 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3395 * rtlanal.c (may_trap_after_code_motion_p): Delete.
3396 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3398 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
3400 AVX Programming Reference (January, 2009)
3401 * config/i386/sse.md (*vpclmulqdq): New.
3403 2009-02-04 Jakub Jelinek <jakub@redhat.com>
3405 PR tree-optimization/38977
3406 PR gcov-profile/38292
3407 * calls.c (special_function_p): Disregard __builtin_ prefix.
3409 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
3411 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3412 non-indexable addresses even before reload.
3414 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3417 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3418 as having variable size. Do not give an error for unnamed
3419 parameters with [*] declarators. Give a warning for type names
3420 with [*] declarators and mark them as variable size.
3421 * c-parser.c (c_parser_sizeof_expression): Do not give an error
3422 for sizeof applied to [*] type names.
3424 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
3427 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3429 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3431 * gcc.c (process_command): Update copyright notice dates.
3432 * gcov.c (print_version): Likewise.
3433 * gcov-dump.c (print_version): Likewise.
3434 * mips-tfile.c (main): Likewise.
3435 * mips-tdump.c (main): Likewise.
3437 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3440 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3441 for composite type involving a zero-length array type.
3443 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3446 * function.c (match_asm_constraints_1): Skip over
3447 initial optional % in the constraint.
3450 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3451 supported, don't accept FIXED_CSTs.
3452 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3453 and _Sat is used without _Fract/_Accum. Set specs->type to
3454 integer_type_node for cts_fract/cts_accum if fixed point is not
3457 2009-02-02 Catherine Moore <clm@codesourcery.com>
3459 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3461 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3463 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3464 (ABI_HAS_64BIT_SYMBOLS): Use it.
3465 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3467 2009-02-02 Paul Brook <paul@codesourcery.com>
3469 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3471 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3474 * recog.h (asm_operand_ok): Add constraints argument.
3475 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3476 recurse on matching constraint.
3477 (check_asm_operands): Pass constraints as 3rd argument to
3478 asm_operand_ok. Don't look up matching constraint here.
3479 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3482 2009-02-02 Ben Elliston <bje@au.ibm.com>
3484 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3485 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3487 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3489 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3490 information. Remove some obsolete information. Reorganize.
3492 * config/pa/fptr.c: Revert license to GPL 2.
3493 * config/pa/milli64.S: Likewise.
3495 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3498 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3499 LIBRARY name in, instead of hard-coding it.
3500 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3501 extra target make frag to tmake_files according to EH model.
3502 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3503 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3504 frags that define makefile variable EH_MODEL appropriately.
3505 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3506 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3507 to "-sjlj" according to type of EH configured.
3508 (LIBGCC_SONAME): Concatenate it to shared library base name.
3509 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3510 to "_sjlj" according to type of EH configured.
3511 (LIBGCC_SONAME): Concatenate it to shared library base name.
3512 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3513 (SHLIB_LINK): Add missing semicolon to if-else construct.
3514 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3515 string value of "pe_dll" command-line option.
3516 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3517 (SHLIB_SONAME): Use it when overriding t-cygming default.
3518 (SHLIB_IMPLIB): Override t-cygming default.
3519 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3520 string value of "pe_dll" command-line option.
3522 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3525 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3526 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3528 2009-01-31 Richard Guenther <rguenther@suse.de>
3530 PR tree-optimization/38937
3531 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3532 computing the transitive closure.
3534 2009-01-30 Richard Guenther <rguenther@suse.de>
3536 PR tree-optimization/39041
3537 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3538 Propagate variable indices only if the types match for this stmt.
3540 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3543 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3544 inline but never defined.
3546 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3548 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3549 (*insv_h_di_reg_extimm): New insn.
3550 (*insv_l<mode>_reg_extimm): New insn.
3552 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3554 * config/picochip/picochip.c (flag_conserve_stack): set
3555 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3556 fconserve-stack. Reduce call-overhead used by inliner.
3558 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3561 * common.opt (flag_conserve_stack): Initialised to zero.
3563 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3566 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3567 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3570 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3572 * ira-color.c (allocno_reload_assign): Update comments.
3573 * regmove.c (regmove_optimize): Likewise.
3577 2009-01-29 Robert Millan <rmh@aybabtu.com>
3579 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3580 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3581 `MD_UNWIND_SUPPORT'.
3582 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3584 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3586 PR tree-optimization/39007
3587 * tree-loop-distribution.c (generate_builtin): Use
3588 recompute_dominator to compute the immediate dominator of the
3589 basic block just after the loop.
3591 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3593 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3594 (ASM_OUTPUT_DWARF_PCREL): Define.
3596 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3598 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3599 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3600 global. Modify entries about regmove and IRA.
3602 * ra-conflict.c: Remove the file.
3604 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3606 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3607 (pass_regclass_init): Rename to pass_reginfo_init.
3609 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3611 * toplev.h (flag_ira): Remove.
3613 * caller-save.c (setup_save_areas): Remove flag_ira.
3615 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3617 * global.c: Remove the file.
3619 * opts.c (decode_options): Remove flag_ira.
3621 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3623 * regmove.c: Modify file description.
3624 (find_use_as_address, try_auto_increment): Define them only if
3625 AUTO_INC_DEC is defined.
3626 (replacement_quality, replace_in_call_usage, fixup_match_1,
3627 stable_and_no_regs_but_for_p): Remove.
3628 (reg_set_in_bb): Make it static.
3629 (regmove_optimize): Remove flag_ira and code which worked for
3632 * local-alloc.c: Remove the file.
3634 * common.opt (fira): Remove.
3636 * ira.c: Include except.h.
3637 (eliminable_regset): Move from global.c.
3638 (mark_elimination): Ditto. Remove flag_ira.
3639 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3640 equiv_mem_modified, validate_equiv_mem_from_store,
3641 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3642 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3643 no_equiv, recorded_label_ref): Move from local-alloc.c.
3644 (update_equiv_regs): Ditto. Make it static.
3645 (print_insn_chain, print_insn_chains): Move it from global.c.
3646 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3647 (build_insn_chain): Ditto. Make it static.
3648 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3649 Rename to init_live_subregs.
3650 (gate_ira): Remove flag_ira.
3652 * regclass.c: Rename reginfo.c. Change file description.
3653 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3654 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3655 (init_reg_sets_1): Remove code for evaluation of
3656 reg_class_superclasses and losing_caller_save_reg_set.
3657 (init_regs): Remove init_reg_autoinc.
3658 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3659 ok_for_base_p_nonstrict): Remove.
3660 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3661 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3662 corresponding entries.
3663 (dump_regclass, record_operand_costs, scan_one_insn,
3664 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3665 record_address_regs, auto_inc_dec_reg_p): Remove.
3666 (gt-regclass.h): Rename to gt-reginfo.h.
3668 * rtl.h (dump_global_regs, retry_global_alloc,
3669 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3671 * Makefile.in (RA_H): Remove.
3672 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3673 Rename regclass.o to reginfo.o.
3674 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3676 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3677 (GTFILES): Rename regclass.c to reginfo.c.
3679 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3680 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3682 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3683 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3685 (finish_spills): Ditto. Remove code for !flag_ira.
3687 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3690 * doc/invoke.texi (rtl debug options): Complete rewrite.
3691 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3693 * mode-switching.c (pass_mode_switching): Rename pass from
3694 "mode-sw" to "mode_sw".
3695 * except.c (pass_convert_to_eh_ranges): Rename pass from
3696 "eh-ranges" to "eh_ranges".
3697 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3701 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3702 Alexander Monakov <amonakov@ispras.ru>
3705 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3707 (move_exprs_to_boundary): Change return type and pass through
3708 should_move from move_op. Relax assert. Update usage ...
3709 (schedule_expr_on_boundary): ... here. Use should_move instead of
3711 (move_op_orig_expr_found): Indicate that insn was disconnected from
3713 (code_motion_process_successors): Do not call after_merge_succs
3714 callback if original expression was not found when traversing any of
3716 (code_motion_path_driver): Change return type. Update prototype.
3717 (move_op): Update comment. Add a new parameter (should_move). Update
3718 prototype. Set *should_move based on indication provided by
3719 move_op_orig_expr_found.
3721 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3723 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3724 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3725 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3726 * config/rs6000/rs6000.c (rs6000_override_options): Default
3727 avoid-indexed-addresses on for Power6, off for everything else.
3728 (avoiding_indexed_address_p): New function.
3729 (rs6000_legitimize_address): Use it.
3730 (rs6000_legitimate_address): Likewise.
3731 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3733 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3735 PR tree-optimization/38997
3736 * tree-loop-distribution.c (generate_memset_zero): Use
3737 POINTER_PLUS_EXPR for a pointer addition.
3739 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3741 * config/s390/s390.md (bswap<mode>2): New pattern added.
3743 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3745 * config/s390/s390.md (*tls_load_31): Added type attribute.
3747 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3749 * config/s390/s390.md: Fix a few comments.
3751 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3753 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3754 (*tm<mode>_full): Fixed z10prop attribute.
3755 (*tst<mode>_extimm): Fixed z10prop attribute.
3756 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3757 (*tstqiCCT_cconly): Fixed z10prop attribute.
3758 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3759 (*movsi_larl): Fixed z10prop attribute.
3760 (*movsi_zarch): Fixed z10prop attribute.
3761 (*movsi_eas): Fixed z10prop attribute.
3762 (*movhi): Fixed z10prop attribute.
3763 (*movqi): Fixed z10prop attribute.
3764 (*movstrictqi): Fixed z10prop attribute.
3765 (*mov<mode>): Fixed z10prop attribute.
3766 (*movcc): Fixed z10prop attribute.
3767 (*sethighpartdi_64): Fixed z10prop attribute.
3768 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3769 (*negdi2_sign_cc): Fixed z10prop attribute.
3770 (*negdi2_sign): Fixed z10prop attribute.
3771 (*absdi2_sign_cc): Fixed z10prop attribute.
3772 (*absdi2_sign): Fixed z10prop attribute.
3773 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3774 (*negabsdi2_sign): Fixed z10prop attribute.
3775 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3776 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3777 (doloop_si64): Fixed z10prop attribute.
3778 (doloop_si31): Fixed z10prop attribute.
3779 (doloop_long): Fixed z10prop attribute.
3780 (indirect_jump): Fixed z10prop attribute.
3781 (nop): Fixed z10prop attribute.
3782 (main_base_64): Fixed z10prop attribute.
3783 (reload_base_64): Fixed z10prop attribute.
3785 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3787 PR rtl-optimization/38740
3788 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3790 * config/mips/mips.c (mips_reorg): Likewise.
3792 2009-01-28 Richard Guenther <rguenther@suse.de>
3794 PR tree-optimization/38926
3795 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3796 with the correct value id to a value.
3797 (do_regular_insertion): Use the value number of edoubleprime
3798 for the value number of the expr.
3801 2008-08-21 Richard Guenther <rguenther@suse.de>
3803 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3804 a PHI ask VN if it is already available.
3805 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3806 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3808 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3811 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3812 set to varying whenever max has TREE_OVERFLOW set, similarly
3813 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3815 2009-01-28 Richard Guenther <rguenther@suse.de>
3818 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3819 uninitialized aggregate uses in call arguments.
3821 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3823 PR tree-optimization/38984
3824 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3825 the nothing_id variable if -fno-delete-null-pointer-checks.
3827 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3830 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3831 (set_got_offset_rex64): Ditto.
3833 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3836 * doc/extend.texi: Improve local variable with asm reg.
3838 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3840 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3841 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3842 was not supplied then set warn_packed_bitfield_compat to the
3844 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3847 2009-01-27 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/38503
3850 * cfgexpand.c (expand_gimple_basic_block): Ignore
3851 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3852 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3853 variables that cannot have TBAA applied.
3854 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3857 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3860 * calls.c (initialize_argument_information): Do not wrap complex
3861 arguments in SAVE_EXPR.
3863 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3865 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3866 (INSTALL_LIBGCC): Revert typo commit.
3868 2009-01-26 Richard Guenther <rguenther@suse.de>
3870 PR tree-optimization/38745
3871 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3872 from special handling.
3874 2009-01-26 Richard Guenther <rguenther@suse.de>
3876 PR tree-optimization/38745
3877 * tree-ssa.c (execute_update_addresses_taken): Do not include
3878 variables that cannot possibly be a register in not_reg_needs.
3879 Do not clear TREE_ADDRESSABLE on vars that may not become
3881 * tree-ssa.c (update_alias_info_1): Include those in the set
3882 of addressable vars.
3884 2009-01-26 Richard Guenther <rguenther@suse.de>
3887 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3888 * tree-ssa-dse.c: Include langhooks.h
3889 (execute_simple_dse): Remove stores with zero size.
3891 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3894 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3897 2009-01-24 Julian Brown <julian@codesourcery.com>
3899 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3900 config/arm/linux-atomic.c.
3901 * config/arm/linux-atomic.c: New.
3903 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3905 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3906 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3907 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3909 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3912 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3915 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3917 PR tree-optimization/38953
3918 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3919 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3920 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3921 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3924 2009-01-24 Paul Brook <paul@codesourcery.com>
3926 * config/arm/neon.md (neon_type): Move to arm.md.
3927 (neon_mov<VSTRUCT>): Add neon_type attribute.
3928 * config/arm/arm.md (neon_type): Move to here.
3929 (conds): Add "unconditioal" and use as default for NEON insns.
3931 2009-01-24 Ben Elliston <bje@au.ibm.com>
3933 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3934 void *' warning from -Wc++-compat.
3935 * Makefile.in (dominance.o-warn): Remove.
3937 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3939 PR tree-optimization/38932
3940 * fold-const.c (fold_unary_ignore_overflow): New.
3941 * tree.h (fold_unary_ignore_overflow): Declare.
3942 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3943 * tree-ssa-sccvn.c (visit_reference_op_load,
3944 simplify_unary_expression): Likewise.
3946 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3948 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3949 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3950 regardless of their type.
3951 * c-common.c (handle_packed_attribute): Don't ignore packed on
3953 * c.opt (Wpacked-bitfield-compat): New warning option.
3954 * stor-layout.c (place_field): Warn if offset of a field changed.
3955 * doc/extend.texi (packed): Mention the ABI change.
3956 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3957 (Warning Options): Add it to the list.
3959 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3961 * c-opts.c (c_common_post_options): Fix a typo in comments.
3963 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3966 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3967 variables to static.
3968 * doc/invoke.texi (-fmerge-all-constants): Update description.
3970 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3973 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3974 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3976 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3978 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3980 (LOCAL_ALIGNMENT): Similarly.
3982 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3983 Joseph Myers <joseph@codesourcery.com>
3985 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3986 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3987 * config/arm/arm-tune.md: Regenerate.
3988 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3991 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3993 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3994 version number to five.
3996 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3999 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4000 * c-common.c (set_underlying_type): Likewise.
4001 (is_typedef_decl ): Likewise
4003 (set_underlying_type): Likewise.
4004 (is_typedef_type): Likewise.
4006 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4009 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4012 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4015 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4016 (LIBGCC_SPEC): Don't define.
4017 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4019 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4021 PR rtl-optimization/38879
4022 * alias.c (base_alias_check): Unaligned access via AND address can
4023 alias all surrounding object types except those with sizes equal
4024 or wider than the size of unaligned access.
4026 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4029 * c-decl.c (clone_underlying_type): Move this ...
4030 * c-common.c (set_underlying_type): ... here.
4031 Also, make sure the function properly sets TYPE_STUB_DECL() on
4032 the newly created typedef variant type.
4033 (is_typedef_decl ): New entry point.
4034 * tree.h: Added a new member member_types_needing_access_check to
4035 struct tree_decl_non_common.
4036 (set_underlying_type): New entry point.
4037 (is_typedef_type): Likewise.
4039 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4041 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4042 Check whether two instructions have memory references that
4043 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4044 are helper functions for traversing.
4045 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4046 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4047 not to draw dependency edge for instructions with non-conflicting
4050 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4053 * longlong.h: Update copyright years. Use soft-fp license notice.
4054 Sync __clz_tab declaration with glibc.
4056 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4059 * doc/extend.texi (syscall_linkage): New.
4060 (version_id): Modify.
4062 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4063 Richard Guenther <rguenther@suse.de>
4065 PR tree-optimization/38747
4066 PR tree-optimization/38748
4067 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4068 conversion if the base address is an indirect reference and the
4069 aliasing sets could cause issues.
4071 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4073 * common.opt (fgraphite, fgraphite-identity): Add comment for
4074 explaining why these options are not documented.
4076 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4078 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4079 gimple_call_lhs is NULL.
4081 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4084 * emit-rtl.c (adjust_address_1): Make sure memref is never
4087 2009-01-20 Ben Elliston <bje@au.ibm.com>
4089 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4090 const qualifier from arg parameter. Remove unnecessary cast to char *.
4091 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4092 const qualifier from arg 2.
4094 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4096 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4098 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4101 * rtl.h (reinit_regs): New prototype.
4102 * regclass.c: Include ira.h.
4104 * Makefile.in (regclass.o): Add ira.h.
4105 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4107 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4110 * c-common.c (handle_aligned_attribute): Use
4111 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4112 default alignment value.
4114 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4116 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4117 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4119 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4120 __BIGGEST_ALIGNMENT__.
4122 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4124 2009-01-18 Richard Guenther <rguenther@suse.de>
4126 PR tree-optimization/38819
4127 * tree-flow.h (operation_could_trap_helper_p): Declare.
4128 * tree-eh.c (operation_could_trap_helper_p): Export.
4129 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4130 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4131 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4132 are about to insert a possibly trapping instruction and fail
4135 2009-01-18 Andreas Schwab <schwab@suse.de>
4137 * doc/install.texi (Configuration): Remove obsolete paragraph
4138 about use of --with-gnu-ld with --with-gnu-as.
4140 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4142 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4143 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4144 Follow spelling conventions.
4146 2009-01-18 Ben Elliston <bje@au.ibm.com>
4148 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4149 C++ warning about implicit conversion from void * to struct
4151 (bitmap_obstack_free): Likewise for bitmap_element *.
4152 * Makefile.in (bitmap.o-warn): Remove.
4154 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4156 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4158 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4159 Tobias Grosser <tobi.grosser@amd.com>
4161 * graphite.c (graphite_trans_scop_block): Do not block single
4164 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4166 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4167 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4168 test with assertion.
4170 2009-01-16 Richard Guenther <rguenther@suse.de>
4172 PR tree-optimization/38835
4174 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4175 and INT + PTR -> (INT)(PTR p+ INT) folding.
4176 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4178 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4181 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4182 the subreg from a lowpart subreg if it is also casting the value.
4184 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4185 Tobias Grosser <tobi.grosser@amd.com>
4187 * graphite.c (compare_prefix_loops): New.
4188 (build_scop_canonical_schedules): Rewritten.
4189 (graphite_transform_loops): Move build_scop_canonical_schedules
4190 after build_scop_iteration_domain.
4192 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4193 Tobias Grosser <tobi.grosser@amd.com>
4195 * graphite.c (add_conditions_to_domain): Add the loops to
4196 the dimension of the iteration domain. Do copy the domain
4197 only when it exists.
4198 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4199 (add_conditions_to_constraints): New.
4200 (can_generate_code_stmt, can_generate_code): Removed.
4201 (gloog): Do not call can_generate_code.
4202 (graphite_transform_loops): Call add_conditions_to_constraints
4203 after building the iteration domain.
4205 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4207 PR tree-optimization/38789
4208 * tree-ssa-threadedge.c
4209 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4210 __builtin_constant_p.
4212 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4214 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4215 examined before deleting them.
4217 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
4219 * function.c (aggregate_value_p): Correctly extract the function
4220 type from CALL_EXPR_FN lookup.
4222 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4224 * config/picochip/picochip.c (picochip_override_options): Revert
4225 CFI asm flag disable commited previously.
4227 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
4228 Tobias Grosser <tobi.grosser@amd.com>
4229 Jan Sjodin <jan.sjodin@amd.com>
4231 * graphite.c (scan_tree_for_params): On substractions negate
4232 all the coefficients of the term.
4233 (clast_to_gcc_expression_red): New. Handle reduction expressions
4234 of more than two operands.
4235 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4236 (get_vdef_before_scop): Handle also the case of default definitions.
4238 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4240 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
4241 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
4242 Also use them when walking CALL_INSN_FUNCTION_USAGE.
4244 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
4245 Joey Ye <joey.ye@intel.com>
4248 * cfgexpand.c (expand_stack_alignment): Don't update stack
4249 boundary nor check incoming stack boundary here.
4250 (gimple_expand_cfg): Update stack boundary and check incoming
4251 stack boundary here.
4253 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
4255 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
4257 2009-01-14 Jakub Jelinek <jakub@redhat.com>
4259 PR rtl-optimization/38245
4260 * calls.c (expand_call): Add stack arguments to
4261 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4262 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
4263 in regs and partially in memory or BLKmode arguments.
4264 (emit_library_call_value_1): Add stack arguments to
4265 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4266 ACCUMULATE_OUTGOING_ARGS).
4267 * dce.c: Include tm_p.h.
4268 (find_call_stack_args): New function.
4269 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
4271 (mark_insn): Call find_call_stack_args for CALL_Ps.
4272 (prescan_insns_for_dce): Walk insns backwards in bb rather than
4273 forwards. Allocate and free arg_stores bitmap if needed, pass it
4274 down to deletable_insn_p, don't mark stores set in arg_stores
4275 bitmap, clear the bitmap at the beginning of each bb.
4276 * Makefile.in (dce.o): Depend on $(TM_P_H).
4278 2009-01-14 Michael Meissner <gnu@the-meissners.org>
4281 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
4282 to make sure the insn is a conditional test (bug 22599). Reformat a
4285 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
4288 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4289 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4290 (gloog): Do not call cleanup_tree_cfg.
4291 (graphite_transform_loops): Call cleanup_tree_cfg after all
4292 scops have been code generated.
4294 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
4295 * doc/gty.texi (Invoking the garbage collector): Added new node
4296 and section documenting ggc_collect.
4298 2009-01-14 Richard Guenther <rguenther@suse.de>
4300 PR tree-optimization/38826
4302 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
4303 initialization notes only if we actually emitted a warning.
4304 (intra_create_variable_infos): Add constraints for a result decl
4305 that is passed by hidden reference.
4306 (build_pred_graph): Mark all related variables non-direct on
4309 2009-01-14 Nick Clifton <nickc@redhat.com>
4311 * ira-conflicts.c: Include addresses.h for the definition of
4313 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
4314 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
4316 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
4319 * Makefile.in (ira-lives.o): Add except.h.
4321 * ira-lives.c: Include except.h.
4322 (process_bb_node_lives): Process can_throw_internal.
4324 2009-01-13 Jakub Jelinek <jakub@redhat.com>
4326 PR rtl-optimization/38774
4327 * combine.c (simplify_set): When undoing cc_use change, don't do
4328 PUT_CODE on the newly created comparison, but instead put back the
4331 2009-01-13 Joseph Myers <joseph@codesourcery.com>
4333 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
4334 values. Remove duplicate arm8 entry.
4336 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4338 PR tree-optimization/38786
4339 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4340 the SSA_NAME case of expand_scalar_variables_expr.
4341 Set the type of an expression to the type of its assign statement.
4342 (expand_scalar_variables_expr): Also gather the scalar computation
4343 used to index the memory access. Do not pass loop_p.
4344 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
4345 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4346 the gimple_stmt_iterator where it inserts new code.
4348 (copy_bb_and_scalar_dependences): Do not pass loop_p.
4349 (translate_clast): Update call to copy_bb_and_scalar_dependences.
4351 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4353 * graphite.h (debug_value): Removed.
4354 * graphite.c (debug_value): Removed.
4356 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4358 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
4359 ldrd/strd with two 32-bit instructions.
4361 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4363 * config/arm/arm.c (struct processors): Pass for speed down into
4364 cost helper functions.
4365 (const_ok_for_op): Handle COMPARE and inequality nodes.
4366 (arm_rtx_costs_1): Rewrite.
4367 (arm_size_rtx_costs): Update prototype.
4368 (arm_rtx_costs): Pass speed down to helper functions.
4369 (arm_slowmul_rtx_costs): Rework cost calculations.
4370 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
4371 (arm_9e_rtx_costs): Likewise.
4373 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
4375 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
4376 relocations of local symbols wider than UNITS_PER_WORD are not valid.
4377 (alpha_legitimize_address): Do not split local symbols wider than
4378 UNITS_PER_WORD into HIGH/LO_SUM parts.
4380 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
4383 * gcc.c (process_command): Replace call to execvp with calls
4384 to pex_one and exit.
4386 2009-01-03 Anatoly Sokolov <aesok@post.ru>
4389 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
4390 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
4391 variant for devices with 3-byte PC.
4392 (__tablejump_elpm__): New.
4394 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4397 * c-parser.c (c_parser_postfix_expression): Allow `->' in
4398 offsetof member-designator, handle it as `[0].'.
4400 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4402 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
4403 function when not using named sections on targets with named sections
4404 if branch distance is less than 262132.
4406 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
4408 * combine.c (combine_instructions): Recompute
4409 optimize_this_for_speed_p for each BB in the main combine loop.
4411 2009-01-12 Tomas Bily <tbily@suse.cz>
4414 * tree-loop-distribution.c (prop_phis): New function.
4415 (generate_builtin): Call prop_phis.
4416 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
4418 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4420 PR tree-optimization/38807
4421 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
4422 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
4424 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
4426 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4427 subreg of op0 to the original op0.
4429 2009-01-11 Laurent GUERBY <laurent@guerby.net>
4431 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
4433 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
4436 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
4437 starting with digits.
4439 2009-01-10 Jakub Jelinek <jakub@redhat.com>
4442 * config/arm/arm.c (arm_is_long_call_p): Don't call
4443 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4445 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4447 * regrename.c (regrename_optimize): Fix dumping.
4448 (find_oldest_value_reg): Preserve REG_POINTER.
4449 (copy_hardreg_forward_1): Likewise.
4451 2009-01-09 Diego Novillo <dnovillo@google.com>
4453 * gimple.h (struct gimple_statement_base) <uid>: Document
4454 the restrictions on its use.
4456 (gimple_set_uid): Tidy.
4458 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4460 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4461 zero guard even if align_bytes != 0 and count is smaller than
4464 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4466 PR rtl-optimization/38495
4467 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4468 (add_range_and_copies_from_move_list): Print all added ranges.
4469 Add ranges to memory optimized destination.
4471 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4475 * config/i386/i386.c (override_options): Reject
4476 -mstringop-strategy=rep_8byte with -m32.
4477 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4478 to 1. Do count comparison against epilogue_size_needed at compile
4479 time even when count_exp was constant forced into register. For
4480 size_needed don't jump to epilogue, instead just avoid aligning
4481 and invoke the body algorithm. If need_zero_guard, add zero guard
4482 even if count is non-zero, but smaller than size_needed + number of
4483 bytes that could be stored for alignment.
4484 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4485 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4486 but smaller than size_needed + number of bytes that could be stored
4487 for alignment. Compare size_needed with epilogue_size_needed instead
4488 of desired_align - align, don't adjust size_needed, pass
4489 epilogue_size_needed to the epilogue expanders.
4492 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4494 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4496 * pa.c (last_address): Change to unsigned.
4497 (update_total_code_bytes): Change argument to unsigned. Don't
4498 check if insn addresses are set.
4499 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4500 addresses are not set.
4501 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4503 2009-01-09 Nick Clifton <nickc@redhat.com>
4505 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4506 DECL_DECLARED_INLINE_P.
4508 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4511 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4512 GET_MODE (op0) in operand_subword_force calls.
4515 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4516 fold_convert arg0 operands to TREE_TYPE (op0) first.
4518 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4520 * params.def (ira-max-conflict-table-size): Decrease default value
4523 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4525 PR tree-optimization/37031
4526 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4528 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4529 allocate it using gc instead of heap, use VEC_quick_push instead of
4531 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4532 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4533 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4534 allocated vector from heap allocated.
4535 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4536 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4537 vector only after perfect_loop_nest_depth call.
4539 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4540 Jan Sjodin <jan.sjodin@amd.com>
4542 PR tree-optimization/38559
4543 * graphite.c (debug_value, copy_constraint,
4544 swap_constraint_variables, scale_constraint_variable, ): New.
4545 (get_lower_bound, get_upper_bound): Removed.
4546 (graphite_trans_bb_strip_mine): Clean up this code that works
4547 only for constant number of iterations. Fully copy upper and
4548 lower bound constraints, not only the constant part of them.
4549 * graphite.h (debug_value): Declared.
4551 2009-01-08 Ira Rosen <irar@il.ibm.com>
4553 PR tree-optimization/37194
4554 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4555 Don't add the cost of cost model guard in prologue to scalar
4556 outside cost in case of known number of iterations.
4558 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4559 Alan Modra <amodra@bigpond.net.au>
4561 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4562 non-word-aligned REG+CONST addressing.
4564 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4567 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4568 free_after_compilation when outputting a thunk.
4569 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4570 Do not call free_after_compilation here.
4572 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4574 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4575 (ix86_valid_target_attribute_inner_p): Ditto.
4577 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4579 PR tree-optimization/38492
4580 PR tree-optimization/38498
4581 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4582 * tree-chrec.h (scev_is_linear_expression): Declared.
4583 * graphite.c (graphite_cannot_represent_loop_niter): New.
4584 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4585 (graphite_loop_normal_form): Use gcc_assert.
4586 (scan_tree_for_params): Use CASE_CONVERT.
4587 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4588 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4589 Use gcc_assert. Discard scops that contain unhandled cases.
4590 (build_scop_conditions): Return a boolean status for unhandled cases.
4591 (strip_mine_profitable_p): Print the loop number, not its depth.
4592 (is_interchange_valid): Pass the depth of the loop nest, don't
4593 recompute it wrongly.
4594 (graphite_trans_bb_block): Same.
4595 (graphite_trans_bb_block): Print tentative of loop blocking.
4596 (graphite_trans_scop_block): Do not print that the loop has been
4598 (graphite_transform_loops): Do not handle scops that contain condition
4601 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4603 AVX Programming Reference (December, 2008)
4604 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4605 (_mm256_stream_pd): Likewise.
4606 (_mm256_stream_ps): Likewise.
4608 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4609 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4610 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4611 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4612 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4613 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4614 (ix86_expand_special_args_builtin): Likewise.
4616 * config/i386/sse.md (AVXMODEDI): New.
4617 (avx_movnt<mode>): Likewise.
4618 (avx_movnt<mode>): Likewise.
4619 (<sse>_movnt<mode>): Remove AVX support.
4620 (sse2_movntv2di): Likewise.
4622 2009-01-07 Richard Guenther <rguenther@suse.de>
4625 * fold-const.c (extract_muldiv): Remove obsolete comment.
4626 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4627 to PLUS_EXPR canonicalization for the canonicalization.
4629 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4631 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4632 hosted cross-compilers generating less efficient code.
4634 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4636 * function.h (rtl_data): Add a dbr_scheduled_p field.
4637 * reorg.c (dbr_schedule): Set it.
4638 (gate_handle_delay_slots): Check it.
4639 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4640 (mips_reorg): Check flag_delayed_branch instead of
4641 mips_base_delayed_branch.
4642 (mips_override_options): Don't set mips_base_delayed_branch
4643 or flag_delayed_branch.
4645 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4647 PR rtl-optimization/38426.
4648 * ira.c (ira): Set current_function_is_leaf earlier.
4650 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4652 PR rtl-optimization/38722
4653 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4654 too early, only set a flag and modify after last possible
4657 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4660 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4661 * real.c (decimal_single_format): Correct values of emin and emax.
4662 (decimal_double_format): Ditto.
4663 (decimal_quad_format): Ditto.
4664 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4665 computation of DECnn_MIN and DECnn_MAX for corrected values of
4666 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4667 __DECnn_MIN__, and adjust its computation for the corrected value
4670 2009-01-06 Jan Hubicka <jh@suse.cz>
4673 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4675 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4677 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4678 Add Robert Clark to the list of testers.
4680 2009-01-06 Jan Hubicka <jh@suse.cz>
4681 Kai Tietz <kai.tietz@onevision.com>
4683 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4684 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4686 2009-01-06 Jan Hubicka <jh@suse.cz>
4687 Kai Tietz <kai.tietz@onevision.com>
4689 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4691 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4692 (ix86_nsaved_regs): Count only general purpose regs.
4693 (ix86_nsaved_sseregs): New.
4694 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4695 to 16 for w64; compute padding and size of sse reg save area.
4696 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4697 general purpose regs.
4698 (ix86_emit_save_sse_regs_using_mov): New.
4699 (ix86_expand_prologue): Save SSE regs if needed.
4700 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4701 (ix86_emit_restore_sse_regs_using_mov): New.
4702 (ix86_expand_epilogue): Save SSE regs if needed.
4704 2009-01-06 Jan Hubicka <jh@suse.cz>
4705 Kai Tietz <kai.tietz@onevision.com>
4707 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4708 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4709 functions when accumulate outgoing args is off.
4711 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4714 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4715 before using pseudos_have_intersected_live_ranges_p.
4717 * ira-int.h (ira_assert): Always define.
4719 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4721 AVX Programming Reference (December, 2008)
4722 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4723 (_mm256_permute2_pd): Likewise.
4724 (_mm_permute2_ps): Likewise.
4725 (_mm256_permute2_ps): Likewise.
4726 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4727 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4729 * config/i386/i386.c (ix86_builtins): Remove
4730 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4731 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4732 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4733 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4734 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4735 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4736 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4737 __builtin_ia32_vpermil2ps256.
4738 (ix86_init_mmx_sse_builtins): Updated.
4739 (ix86_expand_args_builtin): Likewise.
4741 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4743 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4744 long absolute calls when generating PA 2.0 code.
4746 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4748 PR rtl-optimization/38583
4749 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4751 * params.def (ira-max-conflict-table-size): New.
4753 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4755 * ira.h (ira_conflicts_p): New external definition.
4757 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4758 table. Report this. Return result of building.
4759 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4760 building conflict table.
4762 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4763 (ira_color): Use ira_conflicts_p.
4765 * global.c: Include ira.h.
4766 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4769 * Makefile.in (global.o): Add ira.h.
4771 * ira-build.c (mark_all_loops_for_removal,
4772 propagate_some_info_from_allocno): New.
4773 (remove_unnecessary_allocnos): Call
4774 propagate_some_info_from_allocno.
4775 (remove_low_level_allocnos): New.
4776 (remove_unnecessary_regions): Add parameter. Call
4777 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4778 parameter to remove_unnecessary_regions.
4779 (ira_build): Remove all regions but root if the conflict table was
4780 not built. Update conflict hard regs for allocnos crossing calls.
4782 * ira.c (ira_conflicts_p): New global.
4783 (ira): Define and use ira_conflicts_p.
4785 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4786 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4787 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4789 2009-01-06 Ben Elliston <bje@au.ibm.com>
4791 * gengtype-lex.l (YY_NO_INPUT): Define.
4793 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4796 * c-common.c (handle_vector_size_attribute): Also reject
4799 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4801 PR tree-optimization/38492
4802 * graphite.c (rename_map_elt, debug_rename_elt,
4803 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4804 rename_map_elt_info, eq_rename_map_elts,
4805 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4806 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4807 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4808 (sese_build_livein_liveouts): New.
4809 (new_sese, free_sese): New.
4810 (new_scop): Call new_sese.
4811 (free_scop): Call free_sese.
4812 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4813 (register_old_new_names): Renamed register_old_and_new_names.
4814 (register_scop_liveout_renames, add_loop_exit_phis,
4815 insert_loop_close_phis, struct igp,
4816 default_liveout_before_guard, add_guard_exit_phis,
4817 insert_guard_phis, copy_renames): New.
4818 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4819 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4820 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4821 (scop_adjust_phis_for_liveouts): New.
4822 (gloog): Call scop_adjust_phis_for_liveouts.
4824 * graphite.h (struct sese): Documented. Added fields liveout,
4826 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4827 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4828 (struct scop): Added field liveout_renames.
4829 (SCOP_LIVEOUT_RENAMES): New.
4831 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4833 PR tree-optimization/38510
4834 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4835 (translate_clast): Call recompute_all_dominators before
4837 (gloog): Call recompute_all_dominators before graphite_verify.
4839 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4840 Jan Sjodin <jan.sjodin@amd.com>
4842 PR tree-optimization/38500
4843 * graphite.c (create_sese_edges): Call fix_loop_structure after
4846 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4848 * config.gcc: Add m32r*-*-rtems*.
4849 * config/m32r/rtems.h: New file.
4851 2009-01-05 Ben Elliston <bje@au.ibm.com>
4853 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4854 (.po.pox): Likewise.
4855 (po/gcc.pot): Likewise.
4857 2009-01-04 David S. Miller <davem@davemloft.net>
4859 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4860 (STARTING_FRAME_OFFSET): Always set to zero.
4862 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4864 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4865 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4866 fixed-point types, and vectors of the same.
4868 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4870 * config/mips/sync.md (*mb_barrier): Rename to...
4871 (*memory_barrier): ...this.
4873 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4875 * doc/extend.texi (Function Attributes): Move @cindex after @item
4876 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4877 and put in alphabetical order. Fix 'target' name and put in order.
4878 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4881 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4883 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4884 (memory_barrier): Expand as unspec instead of unspec_volatile.
4885 Remove mem:BLK from insn operands. Use Pmode scratch register.
4886 (*memory_barrier): Define as unspec instead of unspec_volatile.
4887 Use (match_dup 0) as input operand.
4889 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4890 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4891 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4892 scratch register. Remove operand 1.
4893 (*stbar): Define as unspec instead of unspec_volatile.
4894 Use (match_dup 0) as input operand, remove (const_int 8).
4895 (*membar): Define as unspec instead of unspec_volatile.
4896 Use (match_dup 0) as input operand, remove input operand 2.
4898 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4899 (memory_barrier): Expand as unspec instead of unspec_volatile.
4900 Remove mem:BLK from insn operands. Use Pmode scratch register.
4901 (*memory_barrier): Define as unspec instead of unspec_volatile.
4902 Use (match_dup 0) as input operand.
4904 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4905 Remove mem:BLK from insn operands. Use Pmode scratch register.
4906 Set volatile flag on operand 0.
4907 (*memory_barrier): New insn pattern.
4909 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4911 (*memory_barrier): Use (match_dup 0) as input operand.
4913 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4914 Remove mem:BLK from insn operands. Use Pmode scratch register.
4915 Set volatile flag on operand 0.
4916 (*mb_internal): New insn pattern.
4918 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4920 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4923 * function.c (struct temp_slot): Move to the section of the file
4924 that deals with temp slots. Remove field 'address'.
4925 (temp_slot_address_table): New hash table of address -> temp slot.
4926 (struct temp_slot_address_entry): New struct, items for the table.
4927 (temp_slot_address_compute_hash, temp_slot_address_hash,
4928 temp_slot_address_eq, insert_temp_slot_address): Support functions
4930 (find_temp_slot_from_address): Rewrite to use the new hash table.
4931 (remove_unused_temp_slot_addresses): Remove addresses of temp
4932 slots that have been made available.
4933 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4934 worker function for remove_unused_temp_slot_addresses.
4935 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4936 Add the temp slot address to the address -> temp slot map.
4937 (update_temp_slot_address): Update via insert_temp_slot_address.
4938 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4939 (pop_temp_slots): Likewise.
4940 (init_temp_slots): Allocate the address -> temp slot map, or empty
4941 the map if it is already allocated.
4942 (prepare_function_start): Initialize temp slot processing.
4944 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4947 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4948 Calculate the size of all stack vars assuming no packing of stack
4949 vars will happen, replacing a quadratic algorithm with a linear one.
4951 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4954 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4957 2009-01-03 Diego Novillo <dnovillo@google.com>
4959 * doc/contrib.texi: Update contributions.
4961 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4964 * builtins.c (fold_builtin_memory_op): Give up if either operand
4965 is volatile. Set srctype or desttype to non-qualified version
4969 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4972 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4974 PR rtl-optimization/35805
4975 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4976 problem if fast dce is able to remove any instructions.
4977 * dce.c (dce_process_block): Fix dump message.
4979 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4982 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4984 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4987 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4988 * tree-pretty-print.c (op_code_prio): New function.
4989 (op_prio): No longer static. Use op_code_prio.
4990 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4991 Use op_prio and op_code_prio to determine if () should be
4992 printed around operand(s) or not.
4994 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4995 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4996 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4997 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4998 pp_character instead of pp_string for single letter printing.
5000 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5002 * doc/extend.texi: Fix '#pragma GCC option' typo.
5004 2009-01-02 Richard Guenther <rguenther@suse.de>
5006 * doc/install.texi (--enable-checking): Mention different
5008 (--enable-stage1-checking): Document.
5010 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5013 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5014 case to be an error.
5016 2009-01-02 Ben Elliston <bje@au.ibm.com>
5018 * config/fp-bit.h (pack_d): Constify argument.
5019 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5020 (isnan): Constify argument.
5024 (_fpadd_parts): Constify return type.
5025 (_fpmul_parts): Likewise.
5026 (_fpdiv_parts): Likewise.
5028 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5031 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5032 warn about overwriting initializer with side-effects or
5033 -Woverride-init if !IMPLICIT.
5034 (output_init_element): Likewise. Pass IMPLICIT down to
5036 (process_init_element): Add IMPLICIT argument. Pass it down
5037 to output_init_element.
5038 (push_init_element, pop_init_level, set_designator): Adjust
5039 process_init_element callers.
5040 (set_nonincremental_init, set_nonincremental_init_from_string):
5041 Adjust add_pending_init callers.
5042 (output_pending_init_elements): Adjust output_init_element callers.
5043 * c-tree.h (process_init_element): Adjust prototype.
5044 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5045 process_init_element callers.