1 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (ix86_abi): Move initialization to ...
4 (override_options): Here.
6 2009-04-02 Christian Bruel <christian.bruel@st.com>
8 * config/sh/sh.c (sh_dwarf_register_span): New function.
9 (TARGET_DWARF_REGISTER_SPAN): Define.
10 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
12 2009-04-02 Ira Rosen <irar@il.ibm.com>
14 PR tree-optimization/39595
15 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
16 interleaved loads group is not greater than the SLP group size.
18 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
20 * builtins.c (is_builtin_name): New.
21 (called_as_built_in): Use is_builtin_name.
22 * tree.h (is_builtin_name): New.
23 * varasm.c (incorporeal_function_p): Use is_builtin_name
25 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
27 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
29 2009-04-02 Dodji Seketeli <dodji@redhat.com>
32 * c-decl.c: (clone_underlying_type): Move this ...
33 * c-common.c (set_underlying_type): ... here.
34 Also, make sure the function properly sets TYPE_STUB_DECL() on
35 the newly created typedef variant type.
36 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
37 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
39 2009-04-02 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/37221
42 * tree-flow.h (degenerate_phi_result): Declare.
43 * tree-ssa-dom.c (degenerate_phi_result): Export.
44 * tree-scalar-evolution.c (analyze_initial_condition): If
45 the initial condition is defined by a degenerate PHI node
46 use the degenerate value.
48 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
50 PR rtl-optimization/39588
51 * combine.c (merge_outer_ops): Do not set the constant when this
53 (simplify_shift_const_1): Do not modify it either in this case.
55 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
57 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
58 tuning is deprecated if -mtune value is set to an Itanium1 variant.
60 2009-04-01 Janis Johnson <janis187@us.ibm.com>
63 * c-lex.c (interpret_float): Default (no suffix) is double.
65 2009-04-1 Xinliang David Li <davidxl@google.com>
67 * config/i386/i386.c (legitimate_constant_p): Recognize
68 all one vector constant.
70 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
72 * gcc/config/vax/vax.c: Add #includes to silence warnings.
73 Change #include order to silence two warnings.
75 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
77 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
78 (ASM_SPEC): Pass -k to the assembler for PIC code.
80 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
82 * gcc/config.gcc: Add vax-*-linux* to the switch.
83 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
84 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
86 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
88 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
89 Use predicate macros instead of GET_CODE() == foo.
90 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
91 ashlsi3, rotrsi3, <unnamed>): Likewise.
93 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
95 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
96 jbbccihi, jbbccisi): Remova trailing whitespace.
97 * gcc/config/vax/constraints.md: Likewise.
98 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
99 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
100 * gcc/config/vax/predicates.md: Likewise.
101 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
102 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
103 * gcc/config/vax/vax.h: Likewise.
104 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
106 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
108 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
109 (indirectable_address_p, adjacent_operands_p): Add spaces around
111 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
113 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
115 * gcc/config/vax/vax.c (legitimate_constant_address_p,
116 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
117 index_term_p, reg_plus_index_p, legitimate_address_p,
118 vax_mode_dependent_address_p): Update comments to match functions
119 modified by the recent int->bool conversion.
121 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
123 * gcc/config/vax/builtins.md: Update copyright message.
124 * gcc/config/vax/constraints.md: Likewise.
125 * gcc/config/vax/netbsd-elf.h: Likewise.
126 * gcc/config/vax/predicates.md: Likewise.
127 * gcc/config/vax/vax-protos.h: Likewise.
128 * gcc/config/vax/vax.c: Likewise.
129 * gcc/config/vax/vax.h: Likewise.
130 * gcc/config/vax/vax.md: Likewise.
131 * gcc/config/vax/vax.opt: Likewise.
133 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
135 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
136 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
137 * gcc/config/vax/constraints.md (B, R): Likewise.
138 * gcc/config/vax/predicates.md (external_memory_operand,
139 nonimmediate_addsub_di_operand): Likewise.
140 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
141 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
142 untyped_call): Likewise.
144 2009-04-01 Matt Thomas <matt@3am-software.com>
146 * config/vax/predicates.md: New file. (symbolic_operand,
147 local_symbolic_operand, external_symbolic_operand,
148 external_const_operand, nonsymbolic_operand, external_memory_operand,
149 indirect_memory_operand, indexed_memory_operand,
150 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
151 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
153 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
154 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
155 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
156 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
157 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
158 * config/vax/vax.opt (mqmath): Add option.
159 * config/vax/vax.md (isfx): Extend with DI.
160 (VAXintQH, VAXintQHSD): Define.
161 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
162 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
163 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
164 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
165 (movdi): Update constraints and use vax_output_int_move().
166 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
167 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
168 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
170 (mov<mode>): Extend accepted operand types.
171 (subdi3_old): Rename from subdi3, change update constraints and use
172 a new implementation.
173 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
174 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
175 MOVE_RATIO, CLEAR_RATIO): Define.
176 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
177 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
178 (PRINT_OPERAND): Redefine using a function instead of inlined code.
179 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
180 (split_quadword_operands): Make static and really allow variable
182 (print_operand_address): Update for PIC generation.
183 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
184 indexable_address_p, fixup_mathdi_operand,
185 vax_expand_addsub_di_operands, adjacent_operands_p): New.
186 (vax_float_literal, legitimate_constant_p,
187 indirectable_constant_address_p, index_term_p,
188 reg_plus_index_p): Return bool instead of int.
189 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
191 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
193 (vax_output_conditional_branch): Indent.
194 (legitimate_constant_address_p, indirectable_constant_address_p,
195 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
196 vax_mode_dependent_address_p): Return bool instead of int, update for
198 * config/vax/vax-protos.h (legitimate_constant_address_p,
199 legitimate_constant_p, legitimate_address_p,
200 vax_mode_dependent_address_p): Change declaration to bool.
201 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
202 vax_expand_addsub_di_operands, vax_output_int_subtract,
203 vax_output_movmemsi): Declare.
204 (split_quadword_operands, vax_float_literal): Delete declaration.
205 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
206 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
207 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
208 ASM_OUTPUT_DWARF_PCREL): Define.
209 (ASM_SPEC): Change definition to allow PIC generation.
211 2009-04-01 Jakub Jelinek <jakub@redhat.com>
214 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
215 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
216 (booldi3_internal3): Use boolean_or_operator instead of
219 2009-04-01 Joseph Myers <joseph@codesourcery.com>
222 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
223 declarator whose size is not an integer constant expression but
224 folds to an integer constant, then treat it as a constant
227 2009-04-01 Richard Guenther <rguenther@suse.de>
229 * fold-const.c (fold_plusminus_mult_expr): Do not fold
230 i * 4 + 2 to (i * 2 + 1) * 2.
232 2009-04-01 Jakub Jelinek <jakub@redhat.com>
235 * c-parser.c (c_parser_asm_statement): Skip until close paren and
236 return if c_parser_asm_string_literal returned NULL.
238 2009-04-01 Nick Clifton <nickc@redhat.com>
240 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
242 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
243 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
244 other typedefs to avoid conflicts with libgcc2.c. Define labels
245 to gain 16-bit bit-manipulation functions from libgcc2.c and then
247 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
248 to gain 16-bit trapping arithmetic functions from libgcc2.c and
251 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
253 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
255 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
256 Andrey Galkin <agalkin@hypercom.com>
259 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
260 Make object_name unique for each process.
262 2009-04-01 Jakub Jelinek <jakub@redhat.com>
265 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
266 addressable variables in the parallel that could go out of scope while
267 running queued tasks.
269 2009-04-01 Anatoly Sokolov <aesok@post.ru>
271 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
272 (CASE_VALUES_THRESHOLD): Redefine.
273 * config/avr/avr.c (avr_override_options): Remove initialization of
274 avr_case_values_threshold variable.
275 (avr_case_values_threshold): Remove variable. Add new function.
276 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
277 * config/avr/avr.opt (mno-tablejump): Remove option.
278 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
280 2009-04-01 DJ Delorie <dj@redhat.com>
282 * varasm.c (default_function_rodata_section): Don't assume
283 anything about where the first '.' in the section name is.
285 2009-04-01 Alan Modra <amodra@bigpond.net.au>
287 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
288 rs6000_emit_stack_tie.
290 2009-03-31 Ian Lance Taylor <iant@google.com>
292 * tree-eh.c (tree_remove_unreachable_handlers): Compare
293 gimple_code with GIMPLE_RESX, not RESX.
295 2009-03-31 Joseph Myers <joseph@codesourcery.com>
297 * c-common.c (c_get_ident): New.
298 (c_common_nodes_and_builtins): Call it for type names that may be
301 2009-04-01 Ben Elliston <bje@au.ibm.com>
303 * config/rs6000/sysv4.opt (msdata): Improve option description.
305 2009-03-31 Steve Ellcey <sje@cup.hp.com>
307 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
308 (divdf3_internal_lat): Remove.
309 (divxf3_internal_lat): Remove.
310 (divxf3_internal_thr): Remove.
311 (divxf): Use divxf3_internal.
312 * config/ia64/div.md (divsf3_internal_lat): New.
313 (divdf3_internal_lat): New.
314 (divxf3_internal): New.
316 2009-03-31 Joseph Myers <joseph@codesourcery.com>
319 * Makefile.in (USE_GCC_STDINT): Define.
320 (stmp-int-hdrs): Install stdint.h if applicable.
321 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
323 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
324 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
325 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
326 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
327 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
328 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
329 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
330 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
331 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
332 (c_common_nodes_and_builtins): Initialize
333 underlying_wchar_type_node. Do not initialize
334 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
336 (c_stddef_cpp_builtins): Define macros for new types.
337 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
339 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
340 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
341 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
342 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
343 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
344 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
345 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
346 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
347 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
348 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
349 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
350 int16_type_node, int32_type_node, int64_type_node,
351 uint8_type_node, uint16_type_node, c_uint32_type_node,
352 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
353 int_least32_type_node, int_least64_type_node,
354 uint_least8_type_node, uint_least16_type_node,
355 uint_least32_type_node, uint_least64_type_node,
356 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
357 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
358 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
359 uintptr_type_node): Define.
360 * c-cppbuiltin.c (builtin_define_constants,
361 builtin_define_type_minmax): New.
362 (builtin_define_stdint_macros): Define more macros.
363 (c_cpp_builtins): Define more limit macros.
365 (builtin_define_type_max): Define in terms of
366 builtin_define_type_minmax. Remove is_long parameter. All
368 * config.gcc (use_gcc_stdint): Define.
369 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
370 Add newlib-stdint.h for generic targets.
371 * config/glibc-stdint.h, config/newlib-stdint.h,
372 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
373 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
374 * config/score/score.h (UINTPTR_TYPE): Define.
375 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
376 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
377 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
378 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
379 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
380 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
381 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
382 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
383 * config/spu/spu.h (STDINT_LONG32): Define.
384 * configure.ac (use_gcc_stdint): Substitute.
385 * configure: Regenerate.
386 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
387 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
388 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
389 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
390 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
391 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
392 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
393 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
394 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
395 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
396 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
397 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
398 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
399 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
400 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
401 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
402 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
403 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
404 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
405 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
406 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
407 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
408 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
409 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
410 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
411 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
412 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
413 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
414 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
416 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
418 * loop-iv.c (suitable_set_for_replacement): Renamed from
419 simplify_using_assignment; changed to return bool and to accept new
420 args DEST and SRC. Return true iff we find a source/destination pair
421 that can be used to make a replacement, and fill SRC and DEST if so.
422 Remove arg ALTERED. Don't deal with altered regs here. All callers
424 (simplify_using_initial_values): Deal with altered regs here and track
425 more precisely the effect they have on the validity of our expression.
427 * loop-iv.c (simplify_using_condition): A condition of the form
428 (EQ REG CONST) can be used to simply make a substitution.
429 (simplify_using_initial_values): Keep track of conditions we have seen
430 and keep using them to simplify new expressions, while applying the
431 same substitutions to them as to the expression.
433 * simplify-rtx.c (simplify_relational_operation_1): Simplify
434 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
437 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
438 changed. Use this when trying to improve the upper bound.
439 Generate the comparison by using simplify_gen_relational.
441 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
443 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
445 (simplify_using_assignment, simplify_using_initial_values): Call
446 replace_in_expr to make replacements. Call replace_single_def_regs
447 once on the initial version of the expression.
449 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
452 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
454 2009-03-31 Richard Guenther <rguenther@suse.de>
457 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
458 equality comparisons. Fold C - X CMP X if C % 2 == 1.
460 2009-03-31 Richard Guenther <rguenther@suse.de>
462 * tree.h (div_if_zero_remainder): Declare.
463 * fold-const.c (div_if_zero_remainder): Export.
464 * tree-ssa-forwprop.c
465 (forward_propagate_addr_into_variable_array_index): Handle
466 constant array index addition outside of the variable index.
468 2009-03-31 Joseph Myers <joseph@codesourcery.com>
471 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
472 define_splits, floatunssi<mode>2): Require x87 conversions from
473 DImode to be permitted.
475 2009-03-31 Joseph Myers <joseph@codesourcery.com>
477 PR preprocessor/15638
478 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
480 2009-03-31 Richard Guenther <rguenther@suse.de>
484 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
485 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
486 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
487 a separate statement.
488 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
489 (lookup_tmp_var): Likewise.
490 (is_gimple_formal_tmp_or_call_rhs): Remove.
491 (is_gimple_reg_or_call_rhs): Rename to ...
492 (is_gimple_reg_rhs_or_call): ... this.
493 (is_gimple_mem_or_call_rhs): Rename to ...
494 (is_gimple_mem_rhs_or_call): ... this.
495 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
496 DECL_GIMPLE_REG_P only if is_formal is true.
497 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
498 for non-proper post-modify expression gimplification.
499 (gimplify_self_mod_expr): For post-modify expressions gimplify
500 the lvalue to a minimal lvalue.
501 (rhs_predicate_for): Remove formal temp case.
502 (gimplify_modify_expr_rhs): Likewise.
503 (gimplify_addr_expr): Use is_gimple_reg.
504 (gimplify_expr): Remove formal temp cases.
505 (gimple_regimplify_operands): Likewise.
506 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
507 and FILTER_EXPR like constants.
508 * gimple.c (walk_gimple_op): Fix val_only initialization, use
510 (is_gimple_formal_tmp_rhs): Remove.
511 (is_gimple_reg_rhs): Remove special casing.
512 (is_gimple_mem_rhs): Fix.
513 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
514 (is_gimple_formal_tmp_var): Remove.
515 (is_gimple_formal_tmp_reg): Likewise.
516 (is_gimple_min_lval): Allow invariant component ref parts.
517 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
518 is_gimple_formal_tmp_reg): Remove declarations.
519 * tree-cfg.c (verify_expr): Verify that variables with address
520 taken do not have DECL_GIMPLE_REG_P set.
521 * tree-mudflap.c (mf_build_check_statement_for): Use
522 force_gimple_operand instead of gimplify_expr.
524 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
526 * modulo-sched.c (sms_schedule_by_order): Pass the actual
527 schedulable rows to compute_split_row.
529 2009-03-31 Ben Elliston <bje@au.ibm.com>
532 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
535 2009-03-31 Alan Modra <amodra@bigpond.net.au>
537 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
538 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
539 * configure: Regenerate.
540 * config.in: Regenerate.
541 * config/rs6000/rs6000.opt (mtls-markers): Add.
542 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
543 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
544 (tls_ld_aix, tls_ld_sysv): Likewise.
545 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
546 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
548 2009-03-31 Alan Modra <amodra@bigpond.net.au>
550 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
552 2009-03-30 Jan Hubicka <jh@suse.cz>
554 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
556 (tree_remove_unreachable_handlers): Cleanup EH predecestor
557 detection and label handling.
559 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
561 * ira-int.h (ira_allocno): Rename left_conflicts_num to
563 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
564 ALLOCNO_LEFT_CONFLICTS_SIZE.
566 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
567 remove_allocno_from_bucket_and_push,
568 allocno_spill_priority_compare, push_allocnos_to_stack,
569 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
570 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
571 (setup_allocno_left_conflicts_num): Ditto. Rename to
572 setup_allocno_left_conflicts_size.
573 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
574 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
575 setup_allocno_left_conflicts_size instead of
576 setup_allocno_left_conflicts_num.
578 * ira-build.c (ira_create_allocno): Use
579 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
580 ALLOCNO_LEFT_CONFLICTS_NUM.
582 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
584 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
585 instead of DF_LR_OUT.
587 * ira-lives.c (process_bb_node_lives): Ditto.
589 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
590 instead of DF_LR_{OUT,IN}.
592 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
594 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
596 2009-03-30 Jan Hubicka <jh@suse.cz>
598 * except.c (label_to_region_map): Fix thinko.
600 2009-03-30 Steve Ellcey <sje@cup.hp.com>
603 * tree.h (tree_find_value): New declaration.
604 * tree.c (tree_find_value): New function.
605 * varasm.c (assemble_external): Avoid duplicate entries on lists.
607 2009-03-30 Jakub Jelinek <jakub@redhat.com>
610 * c-decl.c (struct c_binding): Add locus field.
611 (bind): Add locus argument, set locus field from it.
612 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
613 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
614 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
615 implicitly_declare, undeclared_variable, lookup_label,
616 declare_label, c_make_fname_decl, c_builtin_function,
617 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
620 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
623 * config/i386/i386.c (classify_argument): Check total size of
626 2009-03-30 Martin Jambor <mjambor@suse.cz>
628 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
629 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
630 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
633 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
634 seen_variable_array_ref while also traversing a union.
636 * tree-inline.c (optimize_inline_calls): Do not call
637 cgraph_node_remove_callees.
638 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
639 (pass_remove_cgraph_callee_edges): New variable.
640 * passes.c (init_optimization_passes): Add
641 pass_remove_cgraph_callee_edges after early inlining and before all
642 late intraprocedural passes.
644 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
646 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
648 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
651 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
653 * combine.c (simplify_comparison): Use have_insn_for.
654 * dojump.c (do_jump): Likewise.
656 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
658 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
659 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
660 sparc_compare_op0 like sparc_compare_emitted used to be handled.
661 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
662 instead of sparc_compare_emitted.
663 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
664 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
665 instead of sparc_compare_emitted.
667 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
669 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
670 enter/exit cfglayout mode.
671 (pass_partition_block): Require it.
672 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
673 (combine_instructions): Track basic blocks instead of labels.
674 (update_cfg_for_uncondjump): New.
675 (try_combine): Use it. Update jumps after rescanning.
676 (pass_combine): Require PROP_cfglayout.
677 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
679 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
681 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
682 Provide/destroy PROP_cfglayout respectively.
683 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
684 * tree-pass.h (PROP_cfglayout): New.
686 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
688 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
689 fold_convert_const_fixed_from_fixed,
690 fold_convert_const_fixed_from_int,
691 fold_convert_const_fixed_from_real, fold_negate_const): Do not
692 set TREE_CONSTANT_OVERFLOW.
693 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
694 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
696 2009-03-30 Ira Rosen <irar@il.ibm.com>
698 * tree-vect-loop-manip.c: New file.
699 * tree-vectorizer.c: Update documentation and included files.
700 (vect_loop_location): Make extern.
701 (rename_use_op): Move to tree-vect-loop-manip.c
702 (rename_variables_in_bb, rename_variables_in_loop,
703 slpeel_update_phis_for_duplicate_loop,
704 slpeel_update_phi_nodes_for_guard1,
705 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
706 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
707 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
708 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
709 find_loop_location): Likewise.
710 (new_stmt_vec_info): Move to tree-vect-stmts.c.
711 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
712 get_vectype_for_scalar_type, vect_is_simple_use,
713 supportable_widening_operation, supportable_narrowing_operation):
715 (bb_in_loop_p): Move to tree-vect-loop.c.
716 (new_loop_vec_info, destroy_loop_vec_info,
717 reduction_code_for_scalar_code, report_vect_op,
718 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
719 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
720 (vect_supportable_dr_alignment): Likewise.
721 * tree-vectorizer.h (tree-data-ref.h): Include.
722 (vect_loop_location): Declare.
723 Reorganize function declarations according to the new file structure.
724 * tree-vect-loop.c: New file.
725 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
726 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
727 * tree-vect-data-refs.c: New file.
728 * tree-vect-patterns.c (timevar.h): Don't include.
729 * tree-vect-stmts.c: New file.
730 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
731 tree-vect-slp.c, tree-vect-loop.c.
732 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
733 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
734 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
735 (tree-vect-analyze.o): Remove.
736 (tree-vect-transform.o): Likewise.
737 (tree-vect-data-refs.o): Add rule.
738 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
739 tree-vect-slp.o): Likewise.
740 (tree-vect-patterns.o): Remove redundant dependencies.
741 (tree-vectorizer.o): Likewise.
742 * tree-vect-slp.c: New file.
744 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
746 * optc-gen.awk: Warn if an option flag has multiple different
749 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
751 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
752 -floop-block): Document dependences on PPL, CLooG and Graphite.
754 2009-03-30 Joseph Myers <joseph@codesourcery.com>
756 PR rtl-optimization/323
757 * c-common.c (c_fully_fold, convert_and_check,
758 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
759 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
760 * c-common.def (EXCESS_PRECISION_EXPR): New.
761 * c-cppbuiltin.c (builtin_define_float_constants): Define
762 constants with enough digits for long double.
763 * c-lex.c (interpret_float): Interpret constant with excess
764 precision where appropriate.
765 * c-opts.c (c_common_post_options): Set
766 flag_excess_precision_cmdline. Give an error for
767 -fexcess-precision=standard for C++ for processors where the
768 option is significant.
769 * c-parser.c (c_parser_conditional_expression): Handle excess
770 precision in condition.
771 * c-typeck.c (convert_arguments): Handle arguments with excess
773 (build_unary_op): Move excess precision outside operation.
774 (build_conditional_expr): Likewise.
775 (build_compound_expr): Likewise.
776 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
777 (build_modify_expr): Handle excess precision in RHS.
778 (convert_for_assignment): Handle excess precision in converted
780 (digest_init, output_init_element, process_init_element): Handle
781 excess precision in initializer.
782 (c_finish_return): Handle excess precision in return value.
783 (build_binary_op): Handle excess precision in operands and add
784 excess precision as needed for operation.
785 * common.opt (-fexcess-precision=): New option.
786 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
787 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
788 For standard excess precision, output explicit conversion to and
789 truncation from XFmode.
790 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
791 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
792 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
793 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
794 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
795 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
796 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
797 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
798 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
799 define_splits, sqrt<mode>2): Disable where appropriate for
800 standard excess precision.
801 * convert.c (convert_to_real): Do not shorten arithmetic to type
802 for which excess precision would be used.
803 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
804 * doc/invoke.texi (-fexcess-precision=): Document option.
805 (-mfpmath=): Correct index entry.
806 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
807 flag_excess_precision): New.
808 * langhooks.c (lhd_post_options): Set
809 flag_excess_precision_cmdline.
810 * opts.c (common_handle_option): Handle -fexcess-precision=.
811 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
812 init_excess_precision): New.
813 (lang_dependent_init_target): Call init_excess_precision.
814 * tree.c (excess_precision_type): New.
815 * tree.h (excess_precision_type): Declare.
817 2009-03-30 Joseph Myers <joseph@codesourcery.com>
820 * c-typeck.c (build_component_ref): Do not copy qualifiers from
821 non-lvalue to component.
823 2009-03-29 Joseph Myers <joseph@codesourcery.com>
825 PR preprocessor/34695
826 * Makefile.in (c-opts.o): Depend on c-tree.h.
827 * c-common.c: Move down include of diagnostic.h.
828 (done_lexing, c_cpp_error): New.
829 * c-common.h (done_lexing): Declare.
830 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
832 * c-opts.c: Include c-tree.h.
833 (c_common_init_options): Set preprocessor error callback.
834 (c_common_handle_option): Do not set preprocessor
835 inhibit_warnings, warnings_are_errors, warn_system_headers,
836 pedantic_errors or inhibit_warnings flags.
837 (c_common_post_options): Do not check cpp_errors (parse_in).
838 (c_common_finish): Do not output dependencies if there were
839 errors. Do not check return value of cpp_finish.
840 * c-ppoutput.c (pp_file_change): Set input_location.
841 * c-tree.h (c_cpp_error): Declare.
842 * diagnostic.c (diagnostic_set_info_translated): Also initialize
844 (diagnostic_build_prefix): Check override_column.
845 * diagnostic.h (diagnostic_info): Add override_column field.
846 (diagnostic_override_column): Define.
848 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
850 * c-common.c (c_expand_expr, c_staticp): Remove.
851 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
852 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
853 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
854 * c-gimplify.c (gimplify_compound_literal_expr,
855 optimize_compound_literals_in_ctor): Remove.
856 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
857 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
858 * c-semantics.c (emit_local_var): Remove.
860 * langhooks-def.h (lhd_expand_expr): Remove.
861 * langhooks.c (lhd_expand_expr): Remove.
862 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
864 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
865 handling from c-semantics.c; don't call into langhook.
866 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
867 * gimplify.c (gimplify_compound_literal_expr,
868 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
869 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
870 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
871 as was done in c-gimplify.c.
872 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
873 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
874 Move from c-common.h.
875 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
877 * tree.c (staticp): Do not call langhook.
878 * langhooks.c (lhd_staticp): Delete.
879 * langhooks-def.h (lhd_staticp): Delete prototype.
880 (LANG_HOOKS_STATICP): Delete.
881 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
883 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
884 instead of DECL_STMTs.
886 2009-03-29 Joseph Myers <joseph@codesourcery.com>
894 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
896 (fold_call_expr): Return a NOP_EXPR from folding rather than the
897 contained expression.
898 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
899 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
900 conditional expressions for C.
901 (decl_constant_value_for_optimization): Move from
902 decl_constant_value_for_broken_optimization in c-typeck.c. Check
903 whether optimizing and that the expression is a VAR_DECL not of
904 array type instead of doing such checks in the caller. Do not
905 check pedantic. Call gcc_unreachable for C++.
906 * c-common.def (C_MAYBE_CONST_EXPR): New.
907 * c-common.h (c_fully_fold, c_save_expr,
908 decl_constant_value_for_optimization): New prototypes.
909 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
910 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
911 EXPR_INT_CONST_OPERANDS): Define.
912 * c-convert.c (convert): Strip nops from expression.
913 * c-decl.c (groktypename): Take extra parameters expr and
914 expr_const_operands. Update call to grokdeclarator.
915 (start_decl): Update call to grokdeclarator. Add statement for
916 expressions used in type of decl.
917 (grokparm): Update call to grokdeclarator.
918 (push_parm_decl): Update call to grokdeclarator.
919 (build_compound_literal): Add parameter non_const and build a
920 C_MAYBE_COSNT_EXPR if applicable.
921 (grokdeclarator): Take extra parameters expr and
922 expr_const_operands. Track expressions used in declaration
923 specifiers and declarators. Fold array sizes and track whether
924 they are constant expressions and whether they are integer
925 constant expressions.
926 (parser_xref_tag): Set expr and expr_const_operands fields in
928 (grokfield): Update call to grokdeclarator.
929 (start_function): Update call to grokdeclarator.
930 (build_null_declspecs): Set expr and expr_const_operands fields in
932 (declspecs_add_type): Handle expressions in typeof specifiers.
933 * c-parser.c (c_parser_declspecs): Set expr and
934 expr_const_operands fields for declaration specifiers.
935 (c_parser_enum_specifier): Likewise.
936 (c_parser_struct_or_union_specifier): Likewise.
937 (c_parser_typeof_specifier): Likewise. Update call to
938 groktypename. Fold expression as needed. Return expressions with
939 type instead of adding statements.
940 (c_parser_attributes): Update calls to c_parser_expr_list.
941 (c_parser_statement_after_labels): Fold expression before passing
942 to objc_build_throw_stmt.
943 (c_parser_condition): Fold expression.
944 (c_parser_asm_operands): Fold expression.
945 (c_parser_conditional_expression): Use c_save_expr. Update call
946 to build_conditional_expr.
947 (c_parser_alignof_expression): Update call to groktypename.
948 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
949 original_code. Fold expression argument of va_arg. Create
950 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
951 argument to va_arg. Update calls to groktypename. Fold array
952 index for offsetof. Verify that first argument to
953 __builtin_choose_expr has integer type.
954 (c_parser_postfix_expression_after_paren_type): Update calls to
955 groktypename and build_compound_literal. Handle expressions with
956 side effects in type name.
957 (c_parser_postfix_expression_after_primary): Update call to
958 c_parser_expr_list. Set original_code for calls to
959 __builtin_constant_p.
960 (c_parser_expr_list): Take extra parameter fold_p. Fold
961 expressions if requested.
962 (c_parser_objc_type_name): Update call to groktypename.
963 (c_parser_objc_synchronized_statement): Fold expression.
964 (c_parser_objc_receiver): Fold expression.
965 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
966 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
967 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
968 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
969 (struct c_typespec): Add elements expr and expr_const_operands.
970 (struct c_declspecs): Add elements expr and expr_const_operands.
971 (groktypename, build_conditional_expr, build_compound_literal):
973 (in_late_binary_op): Declare.
974 * c-typeck.c (note_integer_operands): New function.
975 (in_late_binary_op): New variable.
976 (decl_constant_value_for_broken_optimization): Move to c-common.c
977 and rename to decl_constant_value_for_optimization.
978 (default_function_array_conversion): Do not strip nops.
979 (default_conversion): Do not call
980 decl_constant_value_for_broken_optimization.
981 (build_array_ref): Do not fold result.
982 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
983 result when operand is a VLA.
984 (c_expr_sizeof_type): Update call to groktypename. Handle
985 expressions included in type name. Use C_MAYBE_CONST_EXPR for
986 result when operand names a VLA type.
987 (build_function_call): Update call to build_compound_literal.
988 Only fold result for calls to __builtin_* functions. Strip
989 NOP_EXPR from INTEGER_CST returned from such functions. Fold
990 the function designator.
991 (convert_arguments): Fold arguments. Update call to
992 convert_for_assignment.
993 (build_unary_op): Handle increment and decrement of
994 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
995 decrement earlier. Fold operand of increment and decrement.
996 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
997 built for integer operand. Wrap returns that are INTEGER_CSTs
998 without being integer constant expressions or that have integer
999 constant operands without being INTEGER_CSTs.
1000 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1001 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1002 result is an integer constant expression or can be used in
1003 unevaluated parts of one and avoid folding and wrap as
1004 appropriate. Fold operands before possibly doing -Wsign-compare
1006 (build_compound_expr): Wrap result for C99 if operands can be used
1007 in integer constant expressions.
1008 (build_c_cast): Update call to digest_init. Do not ignore
1009 overflow from casting floating-point constants to integers. Wrap
1010 results that could be confused with integer constant expressions,
1011 null pointer constants or floating-point constants.
1012 (c_cast_expr): Update call to groktypename. Handle expressions
1013 included in type name.
1014 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1015 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1016 Update calls to convert_for_assignment.
1017 (convert_for_assignment): Take new parameter
1018 null_pointer_constant. Do not strip nops or call
1019 decl_constant_value_for_broken_optimization. Set
1020 in_late_binary_op for conversions to boolean.
1021 (store_init_value): Update call to digest_init.
1022 (digest_init): Take new parameter null_pointer_constant. Do not
1023 call decl_constant_value_for_broken_optimization. pedwarn for
1024 initializers not constant expressions. Update calls to
1025 convert_for_assignment.
1026 (constructor_nonconst): New.
1027 (struct constructor_stack): Add nonconst element.
1028 (really_start_incremental_init, push_init_level, pop_init_level):
1029 Handle constructor_nonconst and nonconst element.
1030 (set_init_index): Call constant_expression_warning for array
1032 (output_init_element): Fold value. Set constructor_nonconst as
1033 applicable. pedwarn for initializers not constant expressions.
1034 Update call to digest_init. Call constant_expression_warning
1035 where constant initializers are required.
1036 (process_init_element): Use c_save_expr.
1037 (c_finish_goto_ptr): Fold expression.
1038 (c_finish_return): Fold return value. Update call to
1039 convert_for_assignment.
1040 (c_start_case): Fold switch expression.
1041 (c_process_expr_stmt): Fold expression.
1042 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1043 ensure statement expression is not evaluated in constant expression.
1044 (build_binary_op): Track whether results are integer constant
1045 expressions or may occur in such, disable folding and wrap results
1046 as applicable. Fold operands for -Wsign-compare warnings unless
1048 (c_objc_common_truthvalue_conversion): Handle results folded to
1049 integer constants that are not integer constant expressions.
1050 * doc/extend.texi: Document when typeof operands are evaluated,
1051 that condition of __builtin_choose_expr is an integer constant
1052 expression, and more about use of __builtin_constant_p in
1055 2009-03-29 Richard Guenther <rguenther@suse.de>
1057 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1058 propagate addresses of array references.
1060 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1062 * regmove.c (perhaps_ends_bb_p): Remove.
1063 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1064 from INSN and check that the main loop stays within that basic block.
1065 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1066 (regmove_forward_pass): Split out from regmove_optimize. Use
1067 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1068 (regmove_backward_pass): Split out from regmove_optimize. Use
1069 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1070 (regmove_optimize): Simplify.
1072 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1075 * config/i386/i386.c (classify_argument): Ignore flexible array
1076 member in struct and warn ABI change.
1078 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1080 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1082 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1083 (ix86_adjust_cost): Updated.
1085 2009-03-29 Jan Hubicka <jh@suse.cz>
1088 * tree-pass.h (pass_cleanup_eh): New function.
1089 (remove_unreachable_regions): Break code handling RTL
1090 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1091 that can not be reached by runtime.
1092 (can_be_reached_by_runtime): New function.
1093 (label_to_region_map): New function.
1094 (num_eh_regions): New function.
1095 (rtl_remove_unreachable_regions): New function.
1096 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1097 (remove_eh_region): New function.
1098 * except.h: Include sbitmap and vecprim.
1099 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1100 num_eh_regions): Declare.
1101 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1102 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1103 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1104 (tree_empty_eh_handler_p): New function.
1105 (cleanup_empty_eh): New function.
1106 (cleanup_eh): New function.
1107 (pass_cleanup_eh): New function.
1109 2009-03-29 Jan Hubicka <jh@suse.cz>
1111 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1112 for removed regions.
1114 2009-03-29 Jan Hubicka <jh@suse.cz>
1116 * except.c (dump_eh_tree): Dump all datastructures.
1118 2009-03-29 Jan Hubicka <jh@suse.cz>
1120 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1121 (duplicate_eh_regions_1): Likewise.
1122 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1123 vector; call EH verification.
1124 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1125 Be ready for region being removed.
1127 2009-03-29 Jan Hubicka <jh@suse.cz>
1129 * bitmap.c (bitmap_last_set_bit): New function.
1130 * bitmap.h (bitmap_last_set_bit): Declare.
1132 2009-03-29 David Ayers <ayers@fsfe.org>
1135 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1136 by calling objc_compare_types and surpress warnings about
1137 incompatible C pointers that are compatible ObjC pointers.
1139 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1141 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1142 call initialize_inline_failed.
1143 (initialize_inline_failed): Move it from here ...
1144 * cgraph.c (initialize_inline_failed): ... to here.
1145 (cgraph_create_edge): Call initialize_inline_failed rather than
1146 setting inline_failed directly.
1148 2009-03-29 Ben Elliston <bje@au.ibm.com>
1151 * sysv4.opt (msdata): Improve comment.
1152 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1153 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1155 2009-03-29 Ben Elliston <bje@au.ibm.com>
1158 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1159 load and store attributes.
1161 2009-03-29 Ben Elliston <bje@au.ibm.com>
1163 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1164 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1165 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1166 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1167 __builtin_infq and __builtin_huge_valq.
1169 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1171 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1173 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1174 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1176 2009-03-28 Xinliang David Li <davidxl@google.com>
1178 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1179 (do_dbg_cnt): New function.
1181 2009-03-28 Jan Hubicka <jh@suse.cz>
1183 Merge from pretty-ipa:
1185 2009-03-27 Jan Hubicka <jh@suse.cz>
1187 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1188 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1189 * passes.c (function_called_by_processed_nodes_p): New.
1190 * ipa-pure-const.c (check_call): Fix handling of operands.
1191 (analyze_function): Dump debug output for skipped bodies.
1192 (local_pure_const): Use function_called_by_processed_nodes_p.
1193 * dwarf2out.c (reference_to_unused): Use output.
1194 * passes.c (do_per_function_toporder): Likewise.
1196 2008-11-12 Jan Hubicka <jh@suse.cz>
1198 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1199 * ipa-pure-const.c (funct_state_d): Add can throw field; make
1200 state_set_in_source enum
1201 (check_decl): Ignore memory tags; do not set fake looping flags;
1203 (check_operand, check_tree, check_rhs_var, check_lhs_var,
1204 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1205 (check_call, analyze_function): Rewrite.
1207 (add_new_function): Update call of analyze_function.
1208 (generate_summary): Add call of analyze_function.
1209 (propagate): Propagate can_throw; handle state_set_in_source correctly.
1210 (local_pure_const): New function.
1211 (pass_local_pure_const): New pass.
1212 * ipa-inline.c (inline_transform): Set after_inlining.
1213 * tree-eh.c (stmt_can_throw_external): New.
1214 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1215 work with aliasing built.
1216 * tree-flow.h (stmt_can_throw_external): New.
1217 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1218 and local pure/const pass in early and late optimization queue.
1220 2009-03-28 Martin Jambor <mjambor@suse.cz>
1222 * fold-const.c (get_pointer_modulus_and_residue): New parameter
1224 (fold_binary): Allow function decl aligment consideration is the
1225 second argument is integer constant one.
1226 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1227 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1228 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
1230 2009-03-28 Jan Hubicka <jh@suse.cz>
1232 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
1233 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
1234 * function.h (rtl_data): Add nothrow flag.
1235 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
1236 set DECL_NOTHROW for AVAILABLE functions.
1238 2009-03-28 Jakub Jelinek <jakub@redhat.com>
1240 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
1241 following vector keyword has expansion starting with pixel or bool
1242 keyword, expand vector to __vector and pixel or bool to __pixel or
1246 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
1247 warn_if_disallowed_function_p): Removed.
1248 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
1249 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1250 warning_if_disallowed_function_p.
1251 * flags.h (warn_if_disallowed_function_p,
1252 warn_disallowed_functions): Removed.
1253 * common.opt (Wdisallowed-function-list=): Removed.
1254 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1256 2009-03-28 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/38723
1259 * tree-ssa-pre.c (compute_avail): Add all default definitions to
1262 2009-03-28 Jan Hubicka <jh@suse.cz>
1264 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
1265 test introduced by my previous patch.
1267 2009-03-28 Richard Guenther <rguenther@suse.de>
1269 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
1270 the PHIs value undefined.
1272 2009-03-28 Jan Hubicka <jh@suse.cz>
1274 * tree-pass.h (pass_fixup_cfg): New pass.
1275 * ipa-inline.c (inline_transform): Set
1276 always_inline_functions_inlined/after_inlining.
1277 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
1278 (pass_fixup_cfg): New pass.
1279 * passes.c (init_optimization_passes): Add fixup_cfg.
1281 2009-03-28 Richard Guenther <rguenther@suse.de>
1283 PR tree-optimization/38458
1284 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
1285 argument use the arguments copy-of value.
1287 2009-03-28 Richard Guenther <rguenther@suse.de>
1289 PR tree-optimization/38180
1290 * tree-ssa-ccp.c (get_default_value): Simplify.
1291 (likely_value): Likewise.
1292 (surely_varying_stmt_p): Properly handle VOP case.
1293 (ccp_initialize): Likewise.
1294 (ccp_fold): Handle propagating through *&.
1295 (fold_const_aggregate_ref): Also handle decls.
1297 2009-03-28 Jan Hubicka <jh@suse.cz>
1299 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1300 * cgraph.h (cgraph_node): Likewise.
1301 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
1302 (cgraph_reset_node): Use process flag.
1303 (cgraph_mark_functions_to_output): Likewise.
1304 (cgraph_expand_function): Likewise.
1305 (cgraph_expand_all_functions): Likewise.
1306 (cgraph_output_in_order): Likewise.
1307 * dwarf2out.c (reference_to_unused): Likewise.
1308 * passes.c do_per_function_toporder): Likewise.
1310 2009-03-28 Jan Hubicka <jh@suse.cz>
1312 Bring from lto-branch:
1314 2008-09-03 Doug Kwan <dougkwan@google.com>
1316 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
1317 enums instead of reason strings.
1318 * cgraph.c (cgraph_create_edge): Same.
1319 (cgraph_inline_failed_string): New function.
1320 * cgraph.h (cgraph_inline_failed_t): New enum type.
1321 (cgraph_inline_failed_string): New prototype.
1322 (struct cgraph_edge): Change type of INLINED_FAILED from constant
1323 char pointer to cgraph_inline_failed_t.
1324 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
1325 (cgraph_default_inline_p): Ditto.
1326 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
1327 to cgraph_inline_failed_t pointer.
1328 * cif-code.def: New file.
1329 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
1331 (cgraph_check_inline_limits): Change type of REASON to pointer to
1332 cgraph_inline_failed_t. Replace reason strings with enums.
1333 (cgraph_default_inline_p): Ditto.
1334 (cgraph_recursive_inlining_p): Ditto.
1335 (update_caller_keys): Change type of FAILED_REASON to
1336 cgraph_inline_failed_t.
1337 (cgraph_set_inline_failed): Change type of REASON to pointer to
1338 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
1339 convert enums to strings for text output.
1340 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
1341 to be of type cgraph_inline_failed_t. Replace reason strings with
1342 enums. Call cgraph_inline_failed_string to covert enums
1343 to strings for text output.
1344 (cgraph_decide_inlining): Replace reason strings with enums.
1345 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
1346 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
1348 * tree-inline.c (expand_call_inline): Change type of REASON
1349 to cgraph_inline_failed_t. Replace reason strings with enums.
1350 Call cgraph_inline_failed_string for text output.
1351 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
1354 2009-03-28 Jan Hubicka <jh@suse.cz>
1356 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
1357 cgraph_clone_node): Remove master clone handling.
1358 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1359 * cgraph.h (master_clone): Remove.
1360 (cgraph_is_master_clone, cgraph_master_clone): Remove.
1361 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
1362 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
1364 2009-03-28 Jan Hubicka <jh@suse.cz>
1366 * cgraph.c (cgraph_function_body_availability): Functions declared
1367 inline are always safe to assume that it is not going to be replaced.
1369 2009-03-28 Richard Guenther <rguenther@suse.de>
1371 PR tree-optimization/38513
1372 * tree-ssa-pre.c (eliminate): Remove redundant stores.
1373 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1374 EXC_PTR_EXPR and FILTER_EXPR.
1375 (get_ref_from_reference_ops): Likewise.
1377 2009-03-28 Richard Guenther <rguenther@suse.de>
1379 PR tree-optimization/38968
1380 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1381 Use FLOOR_MOD_EXPR to compute misalignment.
1383 2009-03-28 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/37795
1386 * tree.h (combine_comparisons): Declare.
1387 * fold-const.c (combine_comparisons): Export.
1388 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
1390 (ifcombine_iforif): Use combine_comparisons.
1392 2009-03-28 Jan Hubicka <jh@suse.cz>
1394 * tree-eh.c (inlinable_call_p): New function.
1395 (make_eh_edges): Use it.
1396 (verify_eh_edges): Use it.
1397 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
1398 * except.c (reachable_next_level): Add inlinable_function argument
1399 (sjlj_find_directly_reachable_regions): Update.
1400 (add_reachable_handler): Do not set saw_any_handlers.
1401 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
1402 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1403 Add new inlinable call parameter.
1404 (can_throw_internal, can_throw_external): Update.
1405 * except.h (can_throw_internal_1, can_throw_external_1,
1406 foreach_reachable_handler): Update declaration.
1408 2009-03-28 Joseph Myers <joseph@codesourcery.com>
1410 * config/arm/t-arm-coff, config/h8300/coff.h,
1411 config/i386/i386-aout.h, config/i386/i386-coff.h,
1412 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
1413 config/pdp11/2bsd.h, config/rs6000/aix41.h,
1414 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
1415 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
1416 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
1417 sys-types.h: Remove.
1418 * Makefile.in: Remove protoize and fixproto support and references
1420 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
1421 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
1423 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
1424 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
1425 unprotoize$(exeext).
1426 (rest.encap): Don't depend on $(STMP_FIXPROTO)
1427 (.PHONY): Don't depend on proto.
1428 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
1429 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
1430 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
1431 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
1432 build/gen-protos.o, build/scan.o, xsys-protos.h,
1433 build/fix-header$(build_exeext), build/fix-header.o,
1434 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
1435 stmp-install-fixproto): Remove.
1436 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
1437 SYSCALLS.c or fixproto files.
1438 (install-common): Don't install protoize.
1439 (install-headers-tar, install-headers-cpio, install-headers-cp):
1440 Don't depend on $(STMP_FIXPROTO).
1441 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
1442 install fixproto files or write out fixproto settings.
1443 (uninstall): Don't uninstall protoize.
1444 * config.gcc (use_fixproto): Remove.
1445 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
1446 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
1447 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
1448 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
1449 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
1450 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
1451 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
1452 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
1453 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
1454 * config/t-vxworks (STMP_FIXPROTO): Remove.
1455 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
1456 STMP_FIXPROTO): Remove.
1457 * config.in, configure: Regenerate.
1458 * crtstuff.c (gid_t, uid_t): Don't undefine.
1459 * doc/install.texi: Change m68k-coff to m68k-elf in example.
1460 (arm-*-coff, arm-*-aout: Remove target entries.
1461 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
1462 Remove mention of AIX 4.1.
1463 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
1464 * doc/invoke.texi (Running Protoize): Remove.
1465 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
1466 (Protoize Caveats): Remove.
1467 * tsystem.h: Update comments on headers assumed to exist.
1469 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
1471 * genautomata.c: Add a new year to the copyright. Add a new
1473 (struct insn_reserv_decl): Add comments for member bypass_list.
1474 (find_bypass): Remove.
1475 (insert_bypass): New.
1476 (process_decls): Use insert_bypass.
1477 (output_internal_insn_latency_func): Output all bypasses with the
1478 same input insn in one switch case.
1480 * rtl.def (define_bypass): Describe bypass choice.
1481 * doc/md.texi (define_bypass): Ditto.
1483 2009-03-27 Richard Guenther <rguenther@suse.de>
1485 * gimplify.c (mark_addressable): Export.
1486 * tree-flow.h (mark_addressable): Declare.
1487 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
1488 * tree-ssa.c (verify_phi_args): Verify that address taken
1489 variables have TREE_ADDRESSABLE set.
1491 2009-03-27 Richard Guenther <rguenther@suse.de>
1493 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
1494 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
1495 Do not mark decls TREE_ADDRESSABLE.
1496 (build_fold_addr_expr): Adjust.
1497 (fold_addr_expr): Remove.
1498 (fold_unary): Use build_fold_addr_expr.
1499 (fold_comparison): Likewise.
1500 (split_address_to_core_and_offset): Likewise.
1501 * coverage.c (tree_coverage_counter_addr): Mark the array decl
1503 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
1504 (gimplify_modify_expr_to_memcpy): Mark source and destination
1506 * omp-low.c (create_omp_child_function): Mark the object decl
1508 (lower_rec_input_clauses): Mark the var we take the address of
1510 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
1512 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1515 * cfgexpand.c (expand_one_stack_var_at): Change alignment
1516 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
1518 2009-03-27 Richard Guenther <rguenther@suse.de>
1520 PR tree-optimization/39120
1521 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
1523 (handle_lhs_call): Process return constraints. Add escape
1524 constraints if necessary.
1525 (handle_const_call): Fill out return constraints. Make nested
1526 case more precise. Avoid consttmp if possible.
1527 (handle_pure_call): Fill out return constraints. Avoid
1528 callused if possible.
1529 (find_func_aliases): Simplify call handling.
1531 2009-03-27 Richard Guenther <rguenther@suse.de>
1533 PR tree-optimization/39120
1534 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
1535 as a representative.
1536 (solve_graph): Do propagate CALLUSED.
1537 (handle_pure_call): Use a scalar constraint from CALLUSED for
1539 (find_what_p_points_to): CALLUSED shall not appear in poins-to
1542 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1545 * c-common.c (handle_aligned_attribute): Properly check alignment
1546 overflow. Use (1U << i) instead of (1 << i).
1548 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
1550 * expr.h (get_mem_align_offset): Updated.
1552 * tree.h (tree_decl_common): Change align to "unsigned int" and
1553 move it before pointer_alias_set.
1555 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1556 Jakub Jelinek <jakub@redhat.com>
1559 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
1560 gr_register_operand with gr_reg_or_0_operand.
1561 (cmpxchg_rel_di): Likewise.
1562 (sync_lock_test_and_set<mode>): Likewise.
1564 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1566 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
1567 (true_regnum): Likewise.
1569 * rtlanal.c (subreg_info): Moved to ...
1570 * rtl.h (subreg_info): Here. New.
1571 (subreg_get_info): New.
1573 * rtlanal.c (subreg_get_info): Make it extern.
1575 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1578 * config/i386/i386.c (ix86_abi): New.
1579 (override_options): Handle -mabi=.
1580 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
1581 (ix86_call_abi_override): Likewise.
1582 (init_cumulative_args): Likewise.
1583 (function_arg_advance): Likewise.
1584 (function_arg_64): Likewise.
1585 (function_arg): Likewise.
1586 (ix86_pass_by_reference): Likewise.
1587 (ix86_function_value_regno_p): Likewise.
1588 (ix86_build_builtin_va_list_abi): Likewise.
1589 (setup_incoming_varargs_64): Likewise.
1590 (is_va_list_char_pointer): Likewise.
1591 (ix86_init_machine_status): Likewise.
1592 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
1593 (ix86_function_type_abi): Return enum calling_abi. Rewrite
1594 for 64bit. Replace DEFAULT_ABI with ix86_abi.
1595 (ix86_function_abi): Make it static and return enum calling_abi.
1596 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
1598 (ix86_fn_abi_va_list): Updated.
1600 * config/i386/i386.h (ix86_abi): New.
1601 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
1602 (CONDITIONAL_REGISTER_USAGE): Likewise.
1603 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
1604 (machine_function): Likewise.
1606 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
1608 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
1609 (STACK_BOUNDARY): Likewise.
1610 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
1612 * config/i386/i386.opt (mabi=): New.
1614 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
1615 return enum calling_abi.
1616 (ix86_function_type_abi): Likewise.
1617 (ix86_function_abi): Removed.
1619 * doc/invoke.texi: Document -mabi= option for x86.
1621 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1623 * builtins.c (real_dconstp): Delete.
1624 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
1626 2009-03-27 Dodji Seketeli <dodji@redhat.com>
1627 Jakub Jelinek <jakub@redhat.com>
1630 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
1631 (gen_subprogram_die): When a function is explicit, generate the
1632 DW_AT_explicit attribute.
1633 * langhooks.h (struct lang_hooks_for_decls): Add
1634 function_decl_explicit_p langhook.
1635 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
1636 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
1638 2009-03-27 Jakub Jelinek <jakub@redhat.com>
1640 * builtins.c (fold_builtin_memory_op): Optimize memmove
1641 into memcpy if we can prove source and destination don't overlap.
1643 * tree-inline.c: Include gt-tree-inline.h.
1644 (clone_fn_id_num): New variable.
1645 (clone_function_name): New function.
1646 (tree_function_versioning): Use it.
1647 * Makefile.in (GTFILES): Add tree-inline.c.
1649 2009-03-27 Mark Mitchell <mark@codesourcery.com>
1651 * BASE-VER: Change to 4.5.0.
1653 2009-03-27 Xinliang David Li <davidxl@google.com>
1655 PR tree-optimization/39557
1656 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
1658 2009-03-27 Xinliang David Li <davidxl@google.com>
1660 PR tree-optimization/39548
1661 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
1664 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1666 * c-common.c (pointer_int_sum): Use %wd on return from
1669 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
1671 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
1672 on return from tree_low_cst.
1674 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
1677 * ginclude/stdarg.h (va_copy): Define also for
1678 __GXX_EXPERIMENTAL_CXX0X__.
1680 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1683 * builtins.h (c_strlen): Do not warn here.
1684 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1685 * c-common.c (pointer_int_sum): Take an explicit location.
1686 Warn about offsets out of bounds.
1687 * c-common.h (pointer_int_sum): Adjust declaration.
1689 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1691 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
1694 2009-03-26 Jakub Jelinek <jakub@redhat.com>
1697 * opts.c (warn_if_disallowed_function_p): Don't assume
1698 get_callee_fndecl must return non-NULL.
1700 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
1702 PR rtl-optimization/39522
1703 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
1704 when reg_reloaded_valid is set.
1706 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1708 * config/spu/divv2df3.c: New file.
1709 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
1710 (DPBIT_FUNCS): Filter out _div_df.
1712 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
1714 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
1715 a jump insn, count that jump in the distance to the loop start.
1717 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
1720 * config/sh/sh.c (calc_live_regs): Fix condition for global
1721 registers except PIC_OFFSET_TABLE_REGNUM.
1723 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
1726 * doc/invoke.texi (-mconsole): New.
1730 (-mnop-fun-dllimport): New.
1734 (sub section "i386 and x86-64 Windows Options"): New.
1736 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
1738 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
1739 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
1741 2009-03-25 Richard Guenther <rguenther@suse.de>
1744 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
1747 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
1749 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
1750 neither of haifa/selective schedulers are working.
1752 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1754 * doc/invoke.texi (Debugging Options): Fix description of
1755 -fno-merge-debug-strings.
1757 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
1759 * config/cris/libgcc.ver: New version-script.
1760 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
1762 * configure.ac <GAS features, nop mnemonic>: Add pattern
1763 crisv32-*-* for "nop".
1764 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
1765 * configure: Regenerate.
1767 2009-03-24 Ira Rosen <irar@il.ibm.com>
1769 PR tree-optimization/39529
1770 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1771 mark_sym_for_renaming for the tag copied to the new vector
1774 2009-03-24 Arthur Loiret <aloiret@debian.org>
1776 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
1777 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
1778 EXTRA_SPEC_FUNCTIONS.
1779 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
1780 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
1781 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
1782 -march and -mtune options.
1784 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
1786 * config/m68k/t-rtems: Add m5329 multilib.
1788 2009-03-24 Dodji Seketeli <dodji@redhat.com>
1789 Jakub Jelinek <jakub@redhat.com>
1792 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
1795 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1798 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
1799 instead of c_parser_expression_conv, if original_code isn't one of the
1800 4 allowed comparison codes, fail.
1802 2009-03-23 Richard Guenther <rguenther@suse.de>
1804 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
1805 * tree.h (struct tree_type): Likewise.
1806 * reload.h (struct insn_chain): Likewise.
1807 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
1808 * function.h (struct function): Likewise.
1809 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
1811 2009-03-23 Jakub Jelinek <jakub@redhat.com>
1813 PR tree-optimization/39516
1814 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
1816 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
1818 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
1819 should be set true if BITS_PER_WORD of target is bigger than 32
1821 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
1823 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
1824 Translate -B-options to -rpath-link. Correct existing
1825 rpath-link and conditionalize on !nostdlib.
1827 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1829 * doc/extend.texi (Function Attributes, Variable Attributes):
1831 * doc/invoke.texi (Debugging Options, Optimize Options)
1832 (i386 and x86-64 Options, MCore Options): Likewise.
1834 2009-03-20 Jakub Jelinek <jakub@redhat.com>
1837 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
1838 it for block local namespace aliases.
1839 (gen_decl_die): Pass context_die to gen_namespace_die.
1841 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1844 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
1845 minimum or maximum value.
1847 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
1849 * reginfo.c (globalize_reg): Recompute derived reg sets.
1851 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
1854 * libgcc2.c (mprotect): Do not use signed arguments for
1855 VirtualProtect, use DWORD arguments. Also fix the 'may
1856 be used uninitialized' warning for the np variable.
1858 2009-03-19 Jakub Jelinek <jakub@redhat.com>
1861 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
1862 functions using regparm calling conventions when not optimizing.
1863 (ix86_function_sseregparm): Similarly for sseregparm calling
1866 2009-03-19 Li Feng <nemokingdom@gmail.com>
1869 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
1870 dependence if the first conflict is after niter iterations.
1872 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
1875 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
1876 functions with dynamic stack-pointer adjustments.
1878 2009-03-19 Ben Elliston <bje@au.ibm.com>
1880 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
1881 option; change to -msdata=data.
1883 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1885 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
1888 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
1891 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
1893 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
1895 * doc/invoke.texi (Code Gen Options): Expand discussion of
1898 2009-03-18 Jakub Jelinek <jakub@redhat.com>
1900 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
1901 * matrix-reorg.c (struct matrix_info): Likewise.
1902 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
1903 * rtl.h (struct mem_attrs): Likewise.
1904 * df.h (struct df): Likewise.
1905 * tree-data-ref.h (struct data_dependence_relation): Likewise.
1906 * ira-int.h (struct ira_allocno): Likewise.
1907 * df-scan.c (struct df_collection_rec): Likewise.
1908 * ira.c (struct equivalence): Likewise.
1909 * function.c (struct temp_slot): Likewise.
1910 * cfgloop.h (struct loop): Likewise.
1913 * function.c (use_register_for_decl): When not optimizing, disregard
1914 register keyword for variables with types containing methods.
1916 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
1919 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
1920 (is_simple_operand): Call contains_component_ref_p before calling data
1921 reference analysis that would fail on COMPONENT_REFs.
1923 * tree-vrp.c (search_for_addr_array): Fix formatting.
1925 2009-03-18 Richard Guenther <rguenther@suse.de>
1927 * tree-vect-transform.c (vect_loop_versioning): Fold the
1928 generated comparisons.
1929 * tree-vectorizer.c (set_prologue_iterations): Likewise.
1930 (slpeel_tree_peel_loop_to_edge): Likewise.
1932 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1935 * opts.c (print_specific_help): In addition to `undocumented',
1936 accept `separate' and `joined' flags if passed alone. Describe
1937 output by the first matched one of those.
1938 (common_handle_option): Skip over empty strings.
1939 * gcc.c (display_help): Fix help string for `--help='.
1940 * doc/invoke.texi (Option Summary, Overall Options): With
1941 `--help=', classes and qualifiers can both be repeated, but
1942 only the latter can be negated. One should not pass only
1943 negated qualifiers. Fix markup and examples.
1946 2008-10-14 Jakub Jelinek <jakub@redhat.com>
1948 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
1949 and -fhelp=separate.
1951 2009-03-17 Jing Yu <jingyu@google.com>
1954 * function.h (struct rtl_data): Move is_thunk from here...
1955 (struct function): ...to here.
1956 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
1957 * varasm.c (assemble_start_function): Change is_thunk from crtl to
1959 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
1961 (alpha_does_function_need_gp, alpha_start_function): Likewise.
1962 (alpha_output_function_end_prologue): Likewise.
1963 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
1964 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
1965 (rs6000_output_function_epilogue): Likewise.
1966 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
1968 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
1971 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
1972 from different units in a single alternative.
1973 (*truncdfsf_i387): Ditto.
1974 (*truncxfsf2_mixed): Ditto.
1975 (*truncxfdf2_mixed): Ditto.
1977 2009-03-17 Jakub Jelinek <jakub@redhat.com>
1979 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
1980 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
1983 * tree-ssa-live.c (remove_unused_locals): Don't remove local
1984 unused non-artificial variables when not optimizing.
1987 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
1988 DW_TAG_imported_module even if decl is IMPORTED_DECL with
1989 NAMESPACE_DECL in its DECL_INITIAL.
1992 * optabs.c (set_user_assembler_libfunc): New function.
1993 * expr.h (set_user_assembler_libfunc): New prototype.
1994 * c-common.c: Include libfuncs.h.
1995 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
1996 for memcmp, memset, memcpy, memmove and abort.
1997 * Makefile.in (c-common.o): Depend on libfuncs.h.
2000 * dwarf2out.c (gen_inlined_enumeration_type_die,
2001 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2002 gen_tagged_type_instantiation_die): Removed.
2003 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2006 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2009 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2011 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2012 (check-parallel-%): Ditto.
2013 (check-consistency): Ditto.
2015 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2017 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2018 local variable rhs by NULL_TREE.
2020 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2023 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2025 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2028 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2030 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2033 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2034 for ms->sysv ABI calls only in 64bit mode.
2036 * config/i386/i386.md (untyped_call): Support 32bit.
2038 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2040 * doc/extend.texi: Replace x86_65 with x86_64.
2042 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2044 PR tree-optimization/39455
2045 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2046 mismatches for POINTER_TYPE_P (type).
2047 (number_of_iterations_le): Likewise.
2049 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2051 * config/picochip/picochip.c: Removed profiling support.
2052 * config/picochip/picochip.md: Removed profiling instruction.
2053 * config/picochip/picochip.h: Removed profiling builtin.
2055 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2057 * doc/install.texi (--with-host-libstdcxx): Document.
2059 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2062 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2063 generate a warning if the function name does not begin with
2064 "__vector" and the function has either the 'signal' or 'interrupt'
2065 attribute, from here to ...
2066 (avr_declare_function_name): ...here. New function.
2067 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2068 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2070 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2073 * cse.c (fold_rtx): Don't modify original const_arg1 when
2074 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2075 separate variable instead.
2076 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2077 from out of range shift counts.
2078 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2080 2008-03-13 Catherine Moore <clm@codesourcery.com>
2082 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2083 diagnostic.h with $(DIAGNOSTIC_H).
2085 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2088 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2090 * config/i386/sync.md (sync_compare_and_swap<mode>,
2091 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2092 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2094 (sync_double_compare_and_swapdi_pic,
2095 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2096 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2098 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2101 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2103 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2106 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2107 (avx_addsubv4df3): Likewise.
2108 (*avx_addsubv4sf3): Likewise.
2109 (sse3_addsubv4sf3): Likewise.
2111 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2114 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2116 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2119 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2120 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2121 registers for allocnos created from user-defined variables.
2123 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2126 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2127 of non-integer mode as well.
2129 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2131 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2132 for functions for which the parameter types are unknown.
2134 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2137 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2138 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2139 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2140 * config/i386/i386.c (ix86_local_alignment): For
2141 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2142 long long variables on the stack to avoid dynamic realignment.
2143 Allow the first argument to be a decl rather than type.
2144 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2146 2009-03-11 Nick Clifton <nickc@redhat.com>
2149 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2151 Add description to mno-lsim option.
2152 * config/mcore/mcore.h: Remove comment about deprecated m4align
2154 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2155 * doc/invoke.texi: Add description of mno-lsim and
2156 mstack-increment options.
2158 * config/fr30/fr30.opt: Document the -mno-lsim option.
2159 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2160 and -mno-lsim options.
2162 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2164 * fold-const.c (fold_comparison): Only call fold_inf_compare
2165 if the mode supports infinities.
2167 2009-03-11 Jason Merrill <jason@redhat.com>
2170 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2171 end already did. Notice GIMPLE_CALL modifications of the result.
2172 Don't copy debug information from an ignored decl or a decl from
2175 2009-03-10 Richard Guenther <rguenther@suse.de>
2176 Nathan Froyd <froydnj@codesourcery.com>
2179 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2180 (__divMODE3): Likewise.
2182 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2184 PR tree-optimization/39394
2185 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2186 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2188 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2190 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2191 inline asms for register asm ("") declarations.
2193 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
2195 * fold-const.c (fold_unary): Fix comment.
2197 2009-03-07 Jan Hubicka <jh@suse.cz>
2200 * tree-inline.c (setup_one_parameter): Do replacement of const
2201 argument by constant in SSA form.
2203 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2206 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2207 determine alignment passed to assign_stack_local.
2208 (assign_parms_unsplit_complex): Likewise.
2209 * except.c (sjlj_build_landing_pads): Likewise.
2211 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2214 * tree-flow.h (add_referenced_var): Return bool instead of void.
2215 * tree-dfa.c (add_referenced_var): Return result of
2216 referenced_var_check_and_insert call.
2217 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2218 of referenced_var_check_and_insert.
2221 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2222 (gen_variable_die): Emit DW_AT_location on abstract static variable's
2223 DIE, don't emit it if abstract origin already has it.
2224 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2225 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2227 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2229 * genpreds.c (needs_variable): Fix parentheses at variable name
2231 (write_tm_constrs_h): Indent generated code.
2233 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2235 * doc/extend.texi (Function Attributes): Add documentation
2238 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2241 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
2242 take locus from its DECL_SOURCE_LOCATION instead of input_location.
2244 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
2246 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
2249 2009-03-05 Jakub Jelinek <jakub@redhat.com>
2252 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2253 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2255 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
2257 * config/i386/i386.md (R8_REG, R9_REG): New constants.
2258 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
2259 constants instead of magic numbers.
2260 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2262 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
2263 (x86_64_ms_abi_int_parameter_registers): Ditto.
2264 (x86_64_int_return_registers): Ditto.
2265 (ix86_maybe_switch_abi): Ditto.
2266 (ix86_expand_call): Ditto for clobbered_registers array.
2267 (ix86_hard_regno_mode_ok): Ditto.
2268 (x86_extended_QIreg_mentioned_p): Ditto.
2270 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
2272 PR tree-optimization/39349
2273 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
2275 * combine.c (gen_lowpart_for_combine): Use omode when generating
2278 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
2280 PR rtl-optimization/39235
2281 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
2283 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2285 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2287 2009-03-04 Richard Guenther <rguenther@suse.de>
2289 PR tree-optimization/39362
2290 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
2291 that occur in abnormal PHIs should be varying.
2293 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
2295 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
2297 (simple_iv): Take loop as an argument instead of statement.
2298 * tree-scalar-evolution.h (simple_iv): Declaration changed.
2299 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
2301 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
2303 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
2304 * matrix-reorg.c (analyze_transpose): Ditto.
2305 * tree-data-ref.c (dr_analyze_innermost): Ditto.
2306 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
2307 * tree-predcom.c (ref_at_iteration): Ditto.
2308 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2310 2009-03-04 Richard Guenther <rguenther@suse.de>
2312 PR tree-optimization/39358
2313 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
2314 escaped_id and callused_id.
2315 (solve_graph): Likewise.
2317 2009-03-04 Richard Guenther <rguenther@suse.de>
2319 PR tree-optimization/39339
2320 * tree-sra.c (try_instantiate_multiple_fields): Make it
2321 no longer ICE on the above.
2323 2009-03-03 Joseph Myers <joseph@codesourcery.com>
2325 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
2326 that fits within Pmode.
2328 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2331 * tm.texi (LIBCALL_VALUE): Update description.
2333 2009-03-03 Steve Ellcey <sje@cup.hp.com>
2336 * doc/extend.texi (section): Update description.
2338 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
2341 * tree-inline.c (remapped_type): New.
2342 (can_be_nonlocal): Call remapped_type instead of remap_type.
2344 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2347 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2348 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2350 2009-03-03 Richard Guenther <rguenther@suse.de>
2353 * tree.c (tree_nonartificial_location): New function.
2354 * tree.h (tree_nonartificial_location): Declare.
2355 * builtins.c (expand_builtin_memory_chk): Provide location
2356 of the call location for artificial function pieces.
2357 (maybe_emit_chk_warning): Likewise.
2358 (maybe_emit_sprintf_chk_warning): Likewise.
2359 (maybe_emit_free_warning): Likewise.
2360 * expr.c (expand_expr_real_1): Likewise.
2362 2009-03-03 Jakub Jelinek <jakub@redhat.com>
2364 PR tree-optimization/39343
2365 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2366 COMPONENT_REF t has ARRAY_TYPE.
2368 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
2371 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2372 when the type precision of the induction variable should be
2373 larger than the type precision of nit.
2374 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2375 * graphite.c (graphite_loop_normal_form): Same.
2376 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2378 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2380 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
2381 (*call_1_rex64_ms_sysv): Use named constants instead of magic
2382 numbers to describe clobbered registers.
2383 (*call_value_0_rex64_ms_sysv): Ditto.
2384 * config/i386/mmx.md (mmx_emms): Ditto.
2387 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
2389 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
2392 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2394 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
2395 (spu_section_type_flags): New function.
2397 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
2399 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
2400 reg_class_contents of FLOAT_REGS into a temporary.
2402 2009-03-02 Richard Guenther <rguenther@suse.de>
2403 Ira Rosen <irar@il.ibm.com>
2405 PR tree-optimization/39318
2406 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
2407 information to the vectorized statement.
2409 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
2411 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
2412 variable. Use defined names instead of magic constants for REX SSE
2415 2009-03-01 Richard Guenther <rguenther@suse.de>
2417 PR tree-optimization/39331
2418 * omp-low.c (lower_send_shared_vars): Do not receive new
2419 values for the reference of DECL_BY_REFERENCE parms or results.
2421 2009-03-01 Jan Hubicka <jh@suse.cz>
2424 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
2425 BLOCK_NONLOCALIZED_VAR): New macros.
2426 (tree_block): Add nonlocalized_vars.
2427 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
2428 gen_decl_die): Add origin argument. Allow generation of die with
2429 origin at hand only.
2430 (gen_member_die, gen_type_die_with_usage, force_decl_die,
2431 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
2433 (gen_block_die): Fix checking for unused blocks.
2434 (process_scope_var): Break out from .... ; work with origins only.
2435 (decls_for_scope) ... here; process nonlocalized list.
2436 (dwarf2out_ignore_block): Look for nonlocalized vars.
2437 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
2439 (dump_scope_block): Dump them.
2440 * tree-inline.c (remap_decls): Handle nonlocalized vars.
2441 (remap_block): Likewise.
2442 (can_be_nonlocal): New predicate.
2443 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2445 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2447 * configure: Regenerate.
2449 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2451 * optc-gen.awk: No need to duplicate option flags twice.
2452 Reuse help texts for duplicate options which do not have any.
2454 * gcc.c (display_help): Document --version.
2456 * gcc.c (main): If print_help_list and verbose_flag, ensure
2457 driver output comes before subprocess output.
2459 * optc-gen.awk: Assign all remaining fields to help string,
2460 space-separated, for multi-line help in *.opt.
2462 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
2463 -Wno-pedantic-ms-format is for MinGW targets only.
2465 * doc/options.texi (Option file format): Fix bad indentation,
2466 restoring dropped sentence.
2468 2009-02-28 Jan Hubicka <jh@suse.cz>
2470 * tree-inline.c (tree_function_versioning): Output debug info.
2472 2009-02-28 Jan Hubicka <jh@suse.cz>
2475 * tree-inline.c (setup_one_parameter): Do not copy propagate
2476 arguments when not optimizing.
2478 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
2481 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2482 (avx_addsubv4df3): Likewise.
2483 (*avx_addsubv4sf3): Likewise.
2484 (sse3_addsubv4sf3): Likewise.
2485 (*avx_addsubv2df3): Likewise.
2486 (sse3_addsubv2df3): Likewise.
2487 (avx_unpckhps256): Correct item selectors.
2488 (avx_unpcklps256): Likewise.
2489 (avx_unpckhpd256): Likewise.
2490 (avx_unpcklpd256): Likewise.
2492 2009-02-28 Jan Hubicka <jh@suse.cz>
2494 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
2496 (copy_arguments_for_versioning): If var is declared don't declare it.
2497 (tree_function_versioning): First setup substitutions and then copy
2500 2009-02-27 Jan Hubicka <jh@suse.cz>
2503 * cgraph.h (varpool_output_debug_info): Remove.
2504 * cgraphunit.c (varpool_output_debug_info): Remove.
2505 * dwarf2out.c (deferred_locations_struct): New struct
2506 (deferred_locations): New type.
2507 (deferred_locations_list): New static var.
2508 (deffer_location): New function.
2509 (gen_variable_die): Use it.
2510 (decls_for_scope): Output info on local static vars.
2511 (dwarf2out_finish): Process deferred locations.
2512 * varpool.c (varpool_output_debug_info): Remove.
2514 2009-02-27 Jan Hubicka <jh@suse.cz>
2517 * tree.h (TREE_PROTECTED): Fix comment.
2518 (BLOCK_HANDLER_BLOCK): Remove.
2519 (struct tree_block): Remove handler_block add body_block.
2520 (inlined_function_outer_scope_p): New.
2521 (is_body_block): Remove.
2522 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
2523 * dwarf2out.c (is_inlined_entry_point): Remove.
2524 (add_high_low_attributes): Use inlined_function_outer_scope_p.
2525 (gen_block_die): Use is_inlined_entry_point check. Remove body block
2527 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
2528 * gimplify.c (gimplify_expr): Gimplify body blocks.
2529 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
2530 block with multiple subblocks.
2531 (dump_scope_block): Prettier output; dump more flags and info.
2532 (dump_scope_blocks): New.
2533 (remove_unused_locals): Use dump_scope_blocks.
2534 * tree-flow.h (dump_scope_blocks): Declare.
2535 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
2536 * stmt.c (is_body_block): Remove.
2537 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
2538 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2540 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
2543 * graphite.c (graphite_loop_normal_form): Do not call
2544 number_of_iterations_exit from a gcc_assert.
2546 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2548 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
2549 jumps if COND is NULL.
2550 (find_cond_jump): New function.
2551 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
2552 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2554 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
2556 * config/alpha/alpha.h (alpha_expand_mov): Return false if
2557 force_const_mem returns NULL_RTX.
2559 2009-02-26 Jan Hubicka <jh@suse.cz>
2562 * cgraph.h (varpool_output_debug_info): Remove.
2563 * cgraphunit.c (varpool_output_debug_info): Remove.
2564 * dwarf2out.c (deferred_locations_struct): New struct
2565 (deferred_locations): New type.
2566 (deferred_locations_list): New static var.
2567 (deffer_location): New function.
2568 (gen_variable_die): Use it.
2569 (decls_for_scope): Output info on local static vars.
2570 (dwarf2out_finish): Process deferred locations.
2571 * varpool.c (varpool_output_debug_info): Remove.
2573 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
2575 PR rtl-optimization/39241
2576 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
2577 to subreg_offset_representable_p.
2579 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2581 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
2582 execute function prototype. Get f and nregs from max_reg_num
2583 and get_insns. Remove the first backward pass as it's dead,
2584 guard the forward pass by flag_expensive_optimizations.
2585 (rest_of_handle_regmove): Delete.
2586 (pass_regmove): Replace it with regmove_optimize.
2588 2009-02-25 Martin Jambor <mjambor@suse.cz>
2590 PR tree-optimization/39259
2591 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
2592 calls_alloca function flags.
2593 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
2596 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
2598 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
2599 flags_set_1_rtx, flags_set_1_set): Delete.
2600 (regmove_optimize): Do not call mark_flags_life_zones.
2602 2009-02-24 Julian Brown <julian@codesourcery.com>
2605 * config/arm/arm.c (require_pic_register): Only set
2606 cfun->machine->pic_reg once per function.
2608 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
2610 * doc/invoke.texi (Link Options): Document an easier way to pass
2611 options that take arguments to the GNU linker using -Xlinker and -Wl.
2613 2009-02-24 Steve Ellcey <sje@cup.hp.com>
2616 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2618 2009-02-24 Richard Guenther <rguenther@suse.de>
2621 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2623 2009-02-24 Richard Guenther <rguenther@suse.de>
2624 Zdenek Dvorak <ook@ucw.cz>
2626 PR tree-optimization/39233
2627 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
2628 from converting them to a generic type.
2630 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
2632 PR tree-optimization/39260
2633 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
2634 contains a condition with a real type.
2635 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
2637 2009-02-23 Jason Merrill <jason@redhat.com>
2640 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
2641 narrowing_initializer_constant_valid_p.
2642 (narrowing_initializer_constant_valid_p): Don't return
2643 null_pointer_node for adding a pointer to itself.
2645 2009-02-23 Jan Hubicka <jh@suse.cz>
2648 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2651 2009-02-23 Jan Hubicka <jh@suse.cz>
2653 PR tree-optimization/37709
2654 * tree.c (block_ultimate_origin): Move here from dwarf2out.
2655 * tree.h (block_ultimate_origin): Declare.
2656 * dwarf2out.c (block_ultimate_origin): Move to tree.c
2657 * tree-ssa-live.c (remove_unused_scope_block_p):
2658 Eliminate blocks containig no instructions nor live variables nor
2660 (dump_scope_block): New function.
2661 (remove_unused_locals): Enable removal of dead blocks by default;
2662 enable dumping at TDF_DETAILS.
2664 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2666 * config/i386/i386.c (classify_argument): Don't allow COImode
2668 (function_arg_advance_32): Don't allow OImode.
2669 (function_arg_32): Likewise.
2670 (function_value_32): Likewise.
2671 (return_in_memory_32): Likewise.
2672 (function_arg_64): Remove OImode comment.
2674 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2677 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
2678 ix86_expand_vector_set for V4DImode in 64bit mode only.
2679 (ix86_expand_vector_init_one_var): Likewise.
2681 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
2683 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2685 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2688 * loop-iv.c: Revert last change.
2689 * emit-rtl.c: Likewise.
2691 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
2694 * config/i386/i386.c (type_natural_mode): Remove an extra
2695 space in the warning message.
2696 (function_value_32): Handle 32-byte vector modes.
2697 (return_in_memory_32): Likewise.
2699 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
2701 * loop-iv.c (truncate_value): New function.
2702 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
2704 (lowpart_subreg): Move to...
2705 * emit-rtl.c: ...here.
2707 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
2709 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
2710 accidental and undocumented change at revision 140860.
2712 2009-02-21 Joseph Myers <joseph@codesourcery.com>
2714 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
2715 take gimple_seq * arguments.
2716 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
2717 types_compatible_p langhook.
2719 2009-02-20 Mark Mitchell <mark@codesourcery.com>
2720 Joseph Myers <joseph@codesourcery.com>
2722 * config/arm/arm.c (arm_builtin_va_list): New function.
2723 (arm_expand_builtin_va_start): Likewise.
2724 (arm_gimplify_va_arg_expr): Likewise.
2725 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
2726 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
2727 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
2728 (va_list_type): New variable.
2729 (arm_mangle_type): Mangle va_list_type appropriately.
2731 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2734 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
2735 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
2736 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
2737 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
2738 parameter to 1000 for -O1 by default.
2739 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
2741 * loop-invariant.c: Include params.h.
2742 (move_loop_invariants): Don't call move_single_loop_invariants on
2745 2009-02-20 Jaka Mocnik <jaka@xlab.si>
2747 * calls.c (emit_library_call_value_1): Use slot_offset instead of
2748 offset when calculating bounds for indexing stack_usage_map. Fixes
2749 a buffer overflow with certain target setups.
2751 2009-02-20 Jakub Jelinek <jakub@redhat.com>
2754 * calls.c (expand_call): Clear try_tail_call if caller and callee
2755 disagree in promotion of function return value.
2757 2009-02-19 Jakub Jelinek <jakub@redhat.com>
2760 * c-common.c (c_determine_visibility): If visibility changed and
2761 DECL_RTL has been already set, call make_decl_rtl to update symbol
2764 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
2767 * varasm.c (assemble_variable): Don't check DECL_NAME when
2768 globalizing a variable.
2770 2009-02-19 Joseph Myers <joseph@codesourcery.com>
2773 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
2774 expression before any __builtin_trap call.
2775 * c-typeck.c (build_function_call): Convert and check function
2776 arguments before generating a call to a trap. Evaluate the
2777 function arguments before the trap.
2779 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
2782 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
2783 (UNSPEC_FXAM_MEM): New unspec.
2784 (fxam<mode>2_i387_with_temp): New insn and split pattern.
2785 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
2786 memory using fxam<mode>2_i387_with_temp to remove excess precision.
2788 2009-02-19 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/39207
2791 PR tree-optimization/39074
2792 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
2793 storedanything_tree): New.
2794 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
2795 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
2796 (build_succ_graph): Add edges from STOREDANYTHING to all
2798 (init_base_vars): Initialize STOREDANYTHING.
2799 (compute_points_to_sets): Free substitution info after
2800 building the succ graph.
2801 (ipa_pta_execute): Likewise.
2803 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
2805 (do_ds_constraint): Do not add to special var or non-pointer
2807 (type_could_have_pointers): Split out from ...
2808 (could_have_pointers): ... here. For arrays use the element type.
2809 (create_variable_info_for): Initialize may_have_pointers.
2810 (new_var_info): Likewise.
2811 (handle_lhs_call): Make the HEAP variable unknown-sized.
2812 (intra_create_variable_infos): Use a type with pointers for
2813 PARM_NOALIAS, make it unknown-sized.
2815 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
2818 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2820 2009-02-18 Jason Merrill <jason@redhat.com>
2823 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
2824 value if DECL_EXTERNAL.
2825 * tree-sra.c (sra_walk_gimple_assign): Likewise.
2826 * target.h (gcc_target::binds_local_p): Clarify "module".
2827 * tree.h (TREE_PUBLIC): Clarify "module".
2829 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
2832 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
2833 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2835 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
2838 * c.opt (Wabi): Support C and ObjC.
2841 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
2843 * config/i386/i386.c (classify_argument): Warn once about the ABI
2844 change when passing union with long double.
2846 * doc/invoke.texi: Update -Wabi for warning psABI changes.
2848 2009-02-18 Joseph Myers <joseph@codesourcery.com>
2851 * c-parser.c (c_parser_compound_statement): Always enter and leave
2854 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2857 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2859 2009-02-18 Jakub Jelinek <jakub@redhat.com>
2861 PR tree-optimization/36922
2862 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
2863 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2866 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2868 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2871 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2873 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2875 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
2877 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
2880 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
2881 Richard Sandiford <rdsandiford@googlemail.com>
2883 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
2884 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
2885 (loongson_biadd): ...this.
2887 2009-02-17 Richard Guenther <rguenther@suse.de>
2889 PR tree-optimization/39202
2890 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
2891 a var make sure to follow existing collapses.
2893 2009-02-17 Richard Guenther <rguenther@suse.de>
2896 * langhooks.c (lhd_print_error_function): Check for NULL block.
2898 2009-02-17 Richard Guenther <rguenther@suse.de>
2900 PR tree-optimization/39204
2901 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
2904 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
2906 * config/soft-fp/double.h: Update from glibc CVS.
2908 2009-02-17 Richard Guenther <rguenther@suse.de>
2910 PR tree-optimization/39207
2911 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
2912 strict-aliasing warnings for pointers pointing to NULL.
2914 2009-02-16 Joseph Myers <joseph@codesourcery.com>
2917 * c-parser.c (c_parser_braced_init): Call pop_init_level when
2918 skipping until next close brace.
2920 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
2923 * config/i386/i386.c (ix86_expand_push): Set memory alignment
2924 to function argument boundary.
2926 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2928 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
2929 in the lea_add. Reload eventually constraints it properly.
2930 * config/picochip/constraints.md : Remove the target constraint
2931 "b", since it is not needed anymore.
2933 2009-02-16 Jakub Jelinek <jakub@redhat.com>
2935 * gthr-dce.h: Uglify function parameter and local variable names.
2936 * gthr-gnat.h: Likewise.
2937 * gthr-mipssde.h: Likewise.
2938 * gthr-nks.h: Likewise.
2939 * gthr-posix95.h: Likewise.
2940 * gthr-posix.h: Likewise.
2941 * gthr-rtems.h: Likewise.
2942 * gthr-single.h: Likewise.
2943 * gthr-solaris.h: Likewise.
2944 * gthr-tpf.h: Likewise.
2945 * gthr-vxworks.h: Likewise.
2946 * gthr-win32.h: Likewise.
2948 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
2951 * config/i386/i386.md: Restrict the new peephole2 to move
2952 between MMX/SSE registers.
2954 2009-02-15 Richard Guenther <rguenther@suse.de>
2957 2009-02-13 Richard Guenther <rguenther@suse.de>
2959 * configure.ac: Enable LFS.
2960 * configure: Re-generate.
2961 * config.in: Likewise.
2963 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2965 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
2966 spu_srqwbyte, spu_srqwbytebc): Define.
2967 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
2968 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
2969 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
2970 "shrqby_<mode>"): New insn-and-split patterns.
2971 * config/spu/spu.c (expand_builtin_args): Determine and return
2972 number of operands using spu_builtin_description data.
2973 (spu_expand_builtin_1): Use it.
2975 2009-02-13 Steve Ellcey <sje@cup.hp.com>
2978 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2981 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2984 * config/i386/i386.c (override_options): Correct warning
2985 messages for -malign-loops, -malign-jumps and -malign-functions.
2987 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2990 * config/i386/i386.md: Restrict the new peephole2 to move
2991 between the general purpose registers.
2993 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
2996 * config/i386/i386.c (type_natural_mode): Add a new argument.
2997 Return the original mode and warn ABI change if vector size is 32byte.
2998 (function_arg_advance): Updated.
2999 (function_arg): Likewise.
3000 (ix86_function_value): Likewise.
3001 (ix86_return_in_memory): Likewise.
3002 (ix86_sol10_return_in_memory): Likewise.
3003 (ix86_gimplify_va_arg): Likewise.
3004 (function_arg_32): Don't warn ABX ABI change here.
3005 (function_arg_64): Likewise.
3007 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3009 * loop-iv.c (implies_p): In the final case, test that operands 0
3010 of the two comparisons match.
3012 * config/bfin/bfin.c (find_prev_insn_start): New function.
3013 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3014 (find_next_insn_start): Move.
3016 2009-02-13 Richard Guenther <rguenther@suse.de>
3018 * configure.ac: Enable LFS.
3019 * configure: Re-generate.
3020 * config.in: Likewise.
3022 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3025 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3026 sizes on syntax error after some arguments have been parsed.
3028 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3030 * doc/invoke.texi (-fira): Remove.
3032 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3034 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3035 * recog.c: Likewise.
3038 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3040 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3041 (umul_ppmm): Likewise.
3042 (count_leading_zeros): Likewise.
3043 (count_trailing_zeros): Likewise.
3044 (UMUL_TIME): Likewise.
3046 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3048 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3049 soft-fp/t-softfp to tmake_file.
3051 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3052 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3053 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3054 IA64_BUILTIN_INFQ]: New.
3055 (ia64_init_builtins): Initialize __builtin_infq,
3056 __builtin_fabsq and __builtin_copysignq if not HPUX.
3057 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3058 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3060 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3062 (__fixtfti): Likewise.
3063 (__fixunstfti): Likewise.
3064 (__floattitf): Likewise.
3066 * config/ia64/libgcc-glibc.ver: New.
3067 * config/ia64/t-fprules-softfp: Likewise.
3068 * config/ia64/sfp-machine.h: Likewise.
3070 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3071 (LIBGCC2_TF_CEXT): Likewise.
3072 (TF_SIZE): Likewise.
3073 (TARGET_INIT_LIBFUNCS): Likewise.
3075 * config/ia64/t-glibc (SHLINB_MAPFILES):
3076 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3078 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3080 * config/i386/i386.c (construct_container): Rewrite processing
3081 BLKmode with X86_64_SSE_CLASS.
3083 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3086 * config/i386/i386.md: Replace simplify_replace_rtx with
3087 replace_rtx in the new peephole2.
3089 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3091 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3092 loop unrolling do not happen at -O2.
3094 2009-02-12 Michael Matz <matz@suse.de>
3096 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3098 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3100 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3103 2009-02-12 Ben Elliston <bje@au.ibm.com>
3105 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3106 patterns when updating the back chain. Missed in the 2009-02-10
3109 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3111 * doc/extend.texi (Decimal Floating Types): Update identifier of
3112 draft TR and list of missing support.
3114 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3117 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3118 bit to variable length decl's flags, add it also to its
3119 pointer replacement variable.
3121 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3122 Jakub Jelinek <jakub@redhat.com>
3125 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3126 (memory_blockage): New expander.
3127 (*memory_blockage): New insn pattern.
3128 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3129 instead of general blockage at the end of function prologue when
3130 frame pointer is used to access red zone area. Do not emit blockage
3131 when profiling, it is emitted in generic code.
3132 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3133 function epilogue when frame pointer is used to access red zone area.
3135 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3138 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3139 by arithmetic with memory operands.
3140 * config/i386/predicates.md (commutative_operator): New.
3142 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3144 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3147 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3149 * alias.h (record_alias_subset): Declare.
3150 * alias.c (record_alias_subset): Make global.
3152 2009-02-10 Nick Clifton <nickc@redhat.com>
3154 * tree-parloops.c: Change license to GPLv3.
3155 * ipa-struct-reorg.c: Change license to GPLv3.
3156 * ipa-struct-reorg.h: Change license to GPLv3.
3158 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3161 * c-decl.c (start_struct): Return NULL on error.
3163 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3166 * cfgloopmanip.c (remove_path): Call remove_bbs after
3167 cancel_loop_tree, not before it.
3170 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3171 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3172 VAR_DECLs were seen.
3173 * tree-ssa-live.c (remove_unused_locals): Recompute
3174 cfun->has_local_explicit_reg_vars.
3175 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3176 copies or clearings if cfun->has_local_explicit_reg_vars.
3178 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3181 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3182 of function prologue when frame pointer is used to access
3185 2009-02-10 Richard Guenther <rguenther@suse.de>
3188 * gimplify.c (gimple_regimplify_operands): Always look if
3189 we need to create a temporary.
3191 2009-02-10 Richard Guenther <rguenther@suse.de>
3193 PR tree-optimization/39132
3194 * tree-loop-distribution.c (todo): New global var.
3195 (generate_memset_zero): Trigger TODO_rebuild_alias.
3196 (tree_loop_distribution): Return todo.
3198 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
3201 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3202 (x86_64_reg_class_name): Removed.
3203 (classify_argument): Return 0 if bytes > 32. Return 0 if the
3204 first one isn't X86_64_SSE_CLASS or any other ones aren't
3205 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
3206 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3207 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
3208 and 3 X86_64_SSEUP_CLASS.
3209 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
3210 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3212 2009-02-10 Ben Elliston <bje@au.ibm.com>
3214 * config/rs6000/rs6000.md (allocate_stack): Always use an update
3215 form instruction to update the stack back chain word, even if the
3216 user has disabled the generation of update instructions.
3217 (movdi_<mode>_update_stack): New.
3218 (movsi_update_stack): Likewise.
3219 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3220 always use an update form instruction to update the stack back
3223 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
3226 * graphite.c (if_region_set_false_region): After moving a region in
3227 the false branch of a condition, remove the empty dummy basic block.
3228 (gloog): Remove wrong fix for PR38953.
3230 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3232 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
3233 generation due to implicit sign extension.
3235 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
3238 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
3239 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
3241 2009-02-09 Richard Guenther <rguenther@suse.de>
3244 * convert.c (convert_to_real): Disable (float)fn((double)x)
3245 to fnf(x) conversion if errno differences may occur and
3246 -fmath-errno is set.
3248 2009-02-07 Anatoly Sokolov <aesok@post.ru>
3250 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3251 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3252 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3254 2009-02-06 Joseph Myers <joseph@codesourcery.com>
3257 * c-common.c (handle_alias_attribute): Disallow attribute for
3258 anything not a FUNCTION_DECL or VAR_DECL.
3260 2009-02-06 Janis Johnson <janis187@us.ibm.com>
3263 * real.c (do_compare): Special-case compare of zero against
3264 decimal float value.
3266 2009-02-06 Joseph Myers <joseph@codesourcery.com>
3269 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
3270 as indicating flexible array members unless the field itself is
3271 being declarared as the incomplete array.
3273 2009-02-06 Jan Hubicka <jh@suse.cz>
3275 PR tree-optimization/38844
3276 * ipa-inline.c (try_inline): Stop inlining recursion when edge
3279 2009-02-06 Richard Guenther <rguenther@suse.de>
3282 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
3283 fork because we may expand it as __gcov_fork.
3285 2009-02-06 Nick Clifton <nickc@redhat.com>
3287 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
3289 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
3291 PR tree-optimization/35659
3292 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
3293 vn_phi_eq): Shortcut if hashcode does not match.
3294 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
3296 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
3297 and avoid iterative_hash_expr.
3298 (FOR_EACH_VALUE_ID_IN_SET): New.
3299 (value_id_compare): Remove.
3300 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
3301 sort expressions by value id.
3303 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
3306 * config/sh/predicates.md (general_movsrc_operand): Don't check
3307 the subreg of system registers here.
3309 2009-02-05 Jakub Jelinek <jakub@redhat.com>
3312 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
3315 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
3317 PR rtl-optimization/39110
3318 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
3319 addresses, not aligned ones.
3321 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
3322 Richard Guenther <rguenther@suse.de>
3324 PR tree-optimization/39100
3325 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
3326 comment says and add edges.
3328 2009-02-05 Joseph Myers <joseph@codesourcery.com>
3331 * c-common.c (handle_tls_model_attribute): Ignore attribute for
3332 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
3334 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
3336 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3337 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3338 register_bb_in_sese, new_sese, free_sese): Moved.
3339 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3340 outermost_loop_in_scop, build_scop_iteration_domain,
3341 expand_scalar_variables_ssa_name, get_vdef_before_scop,
3342 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3343 Use loop_in_sese_p instead of loop_in_scop_p.
3344 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
3345 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
3346 (scopdet_basic_block_info): Fix bug in scop detection.
3347 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3348 eq_loop_to_cloog_loop): Remove.
3349 (nb_loops_around_loop_in_scop, nb_loop
3350 ref_nb_loops): Moved here...
3351 * graphite.h (ref_nb_loops): ... from here.
3352 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
3353 (loop_domain_dim, loop_iteration_vector_dim): Remove.
3354 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3355 * testsuite/gcc.dg/graphite/scop-19.c: New
3357 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
3358 Hans-Peter Nilsson <hp@axis.com>
3360 PR rtl-optimization/37889
3361 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
3362 Move offset handling from PLUS to before the switch. Use new
3363 arguments when considering SYMBOL_REFs too.
3364 (rtx_addr_can_trap_p): Pass dummy offset and size.
3365 (enum may_trap_p_flags): Remove.
3366 (may_trap_p_1): Pass size from MEM_SIZE.
3368 PR rtl-optimization/38921
3369 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
3370 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
3371 * rtlanal.c (may_trap_after_code_motion_p): Delete.
3372 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
3374 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
3376 AVX Programming Reference (January, 2009)
3377 * config/i386/sse.md (*vpclmulqdq): New.
3379 2009-02-04 Jakub Jelinek <jakub@redhat.com>
3381 PR tree-optimization/38977
3382 PR gcov-profile/38292
3383 * calls.c (special_function_p): Disregard __builtin_ prefix.
3385 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
3387 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
3388 non-indexable addresses even before reload.
3390 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3393 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
3394 as having variable size. Do not give an error for unnamed
3395 parameters with [*] declarators. Give a warning for type names
3396 with [*] declarators and mark them as variable size.
3397 * c-parser.c (c_parser_sizeof_expression): Do not give an error
3398 for sizeof applied to [*] type names.
3400 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
3403 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
3405 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3407 * gcc.c (process_command): Update copyright notice dates.
3408 * gcov.c (print_version): Likewise.
3409 * gcov-dump.c (print_version): Likewise.
3410 * mips-tfile.c (main): Likewise.
3411 * mips-tdump.c (main): Likewise.
3413 2009-02-03 Joseph Myers <joseph@codesourcery.com>
3416 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
3417 for composite type involving a zero-length array type.
3419 2009-02-03 Jakub Jelinek <jakub@redhat.com>
3422 * function.c (match_asm_constraints_1): Skip over
3423 initial optional % in the constraint.
3426 * c-parser.c (c_parser_postfix_expression): If fixed point is not
3427 supported, don't accept FIXED_CSTs.
3428 * c-decl.c (finish_declspecs): Error if fixed point is not supported
3429 and _Sat is used without _Fract/_Accum. Set specs->type to
3430 integer_type_node for cts_fract/cts_accum if fixed point is not
3433 2009-02-02 Catherine Moore <clm@codesourcery.com>
3435 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
3437 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
3439 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
3440 (ABI_HAS_64BIT_SYMBOLS): Use it.
3441 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
3443 2009-02-02 Paul Brook <paul@codesourcery.com>
3445 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
3447 2009-02-02 Jakub Jelinek <jakub@redhat.com>
3450 * recog.h (asm_operand_ok): Add constraints argument.
3451 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
3452 recurse on matching constraint.
3453 (check_asm_operands): Pass constraints as 3rd argument to
3454 asm_operand_ok. Don't look up matching constraint here.
3455 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
3458 2009-02-02 Ben Elliston <bje@au.ibm.com>
3460 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
3461 TARGET_NARROW_VOLATILE_BITFIELD macro names.
3463 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3465 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
3466 information. Remove some obsolete information. Reorganize.
3468 * config/pa/fptr.c: Revert license to GPL 2.
3469 * config/pa/milli64.S: Likewise.
3471 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3474 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
3475 LIBRARY name in, instead of hard-coding it.
3476 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
3477 extra target make frag to tmake_files according to EH model.
3478 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3479 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
3480 frags that define makefile variable EH_MODEL appropriately.
3481 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
3482 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
3483 to "-sjlj" according to type of EH configured.
3484 (LIBGCC_SONAME): Concatenate it to shared library base name.
3485 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
3486 to "_sjlj" according to type of EH configured.
3487 (LIBGCC_SONAME): Concatenate it to shared library base name.
3488 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
3489 (SHLIB_LINK): Add missing semicolon to if-else construct.
3490 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3491 string value of "pe_dll" command-line option.
3492 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
3493 (SHLIB_SONAME): Use it when overriding t-cygming default.
3494 (SHLIB_IMPLIB): Override t-cygming default.
3495 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
3496 string value of "pe_dll" command-line option.
3498 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
3501 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
3502 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
3504 2009-01-31 Richard Guenther <rguenther@suse.de>
3506 PR tree-optimization/38937
3507 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
3508 computing the transitive closure.
3510 2009-01-30 Richard Guenther <rguenther@suse.de>
3512 PR tree-optimization/39041
3513 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3514 Propagate variable indices only if the types match for this stmt.
3516 2009-01-30 Jakub Jelinek <jakub@redhat.com>
3519 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
3520 inline but never defined.
3522 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
3524 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
3525 (*insv_h_di_reg_extimm): New insn.
3526 (*insv_l<mode>_reg_extimm): New insn.
3528 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3530 * config/picochip/picochip.c (flag_conserve_stack): set
3531 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
3532 fconserve-stack. Reduce call-overhead used by inliner.
3534 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
3537 * common.opt (flag_conserve_stack): Initialised to zero.
3539 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
3542 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
3543 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
3546 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
3548 * ira-color.c (allocno_reload_assign): Update comments.
3549 * regmove.c (regmove_optimize): Likewise.
3553 2009-01-29 Robert Millan <rmh@aybabtu.com>
3555 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
3556 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
3557 `MD_UNWIND_SUPPORT'.
3558 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
3560 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
3562 PR tree-optimization/39007
3563 * tree-loop-distribution.c (generate_builtin): Use
3564 recompute_dominator to compute the immediate dominator of the
3565 basic block just after the loop.
3567 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3569 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
3570 (ASM_OUTPUT_DWARF_PCREL): Define.
3572 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
3574 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
3575 * doc/passes.texi: Remove entries about regclass, local-alloc, and
3576 global. Modify entries about regmove and IRA.
3578 * ra-conflict.c: Remove the file.
3580 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
3582 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
3583 (pass_regclass_init): Rename to pass_reginfo_init.
3585 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
3587 * toplev.h (flag_ira): Remove.
3589 * caller-save.c (setup_save_areas): Remove flag_ira.
3591 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
3593 * global.c: Remove the file.
3595 * opts.c (decode_options): Remove flag_ira.
3597 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
3599 * regmove.c: Modify file description.
3600 (find_use_as_address, try_auto_increment): Define them only if
3601 AUTO_INC_DEC is defined.
3602 (replacement_quality, replace_in_call_usage, fixup_match_1,
3603 stable_and_no_regs_but_for_p): Remove.
3604 (reg_set_in_bb): Make it static.
3605 (regmove_optimize): Remove flag_ira and code which worked for
3608 * local-alloc.c: Remove the file.
3610 * common.opt (fira): Remove.
3612 * ira.c: Include except.h.
3613 (eliminable_regset): Move from global.c.
3614 (mark_elimination): Ditto. Remove flag_ira.
3615 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
3616 equiv_mem_modified, validate_equiv_mem_from_store,
3617 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
3618 contains_replace_regs, memref_referenced_p, memref_used_between_p,
3619 no_equiv, recorded_label_ref): Move from local-alloc.c.
3620 (update_equiv_regs): Ditto. Make it static.
3621 (print_insn_chain, print_insn_chains): Move it from global.c.
3622 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
3623 (build_insn_chain): Ditto. Make it static.
3624 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
3625 Rename to init_live_subregs.
3626 (gate_ira): Remove flag_ira.
3628 * regclass.c: Rename reginfo.c. Change file description.
3629 (FORBIDDEN_INC_DEC_CLASSES): Remove.
3630 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
3631 (init_reg_sets_1): Remove code for evaluation of
3632 reg_class_superclasses and losing_caller_save_reg_set.
3633 (init_regs): Remove init_reg_autoinc.
3634 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
3635 ok_for_base_p_nonstrict): Remove.
3636 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
3637 (pass_regclass_init): Rename to pass_reginfo_init. Modify
3638 corresponding entries.
3639 (dump_regclass, record_operand_costs, scan_one_insn,
3640 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
3641 record_address_regs, auto_inc_dec_reg_p): Remove.
3642 (gt-regclass.h): Rename to gt-reginfo.h.
3644 * rtl.h (dump_global_regs, retry_global_alloc,
3645 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
3647 * Makefile.in (RA_H): Remove.
3648 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
3649 Rename regclass.o to reginfo.o.
3650 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
3652 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
3653 (GTFILES): Rename regclass.c to reginfo.c.
3655 * passes.c (init_optimization_passes): Remove pass_local_alloc and
3656 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
3658 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3659 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
3661 (finish_spills): Ditto. Remove code for !flag_ira.
3663 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3666 * doc/invoke.texi (rtl debug options): Complete rewrite.
3667 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
3669 * mode-switching.c (pass_mode_switching): Rename pass from
3670 "mode-sw" to "mode_sw".
3671 * except.c (pass_convert_to_eh_ranges): Rename pass from
3672 "eh-ranges" to "eh_ranges".
3673 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
3677 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
3678 Alexander Monakov <amonakov@ispras.ru>
3681 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
3683 (move_exprs_to_boundary): Change return type and pass through
3684 should_move from move_op. Relax assert. Update usage ...
3685 (schedule_expr_on_boundary): ... here. Use should_move instead of
3687 (move_op_orig_expr_found): Indicate that insn was disconnected from
3689 (code_motion_process_successors): Do not call after_merge_succs
3690 callback if original expression was not found when traversing any of
3692 (code_motion_path_driver): Change return type. Update prototype.
3693 (move_op): Update comment. Add a new parameter (should_move). Update
3694 prototype. Set *should_move based on indication provided by
3695 move_op_orig_expr_found.
3697 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
3699 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
3700 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
3701 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
3702 * config/rs6000/rs6000.c (rs6000_override_options): Default
3703 avoid-indexed-addresses on for Power6, off for everything else.
3704 (avoiding_indexed_address_p): New function.
3705 (rs6000_legitimize_address): Use it.
3706 (rs6000_legitimate_address): Likewise.
3707 * config/rs6000/rs6000.md (movXX_updateX): Likewise
3709 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
3711 PR tree-optimization/38997
3712 * tree-loop-distribution.c (generate_memset_zero): Use
3713 POINTER_PLUS_EXPR for a pointer addition.
3715 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
3717 * config/s390/s390.md (bswap<mode>2): New pattern added.
3719 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3721 * config/s390/s390.md (*tls_load_31): Added type attribute.
3723 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3725 * config/s390/s390.md: Fix a few comments.
3727 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
3729 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
3730 (*tm<mode>_full): Fixed z10prop attribute.
3731 (*tst<mode>_extimm): Fixed z10prop attribute.
3732 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
3733 (*tstqiCCT_cconly): Fixed z10prop attribute.
3734 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
3735 (*movsi_larl): Fixed z10prop attribute.
3736 (*movsi_zarch): Fixed z10prop attribute.
3737 (*movsi_eas): Fixed z10prop attribute.
3738 (*movhi): Fixed z10prop attribute.
3739 (*movqi): Fixed z10prop attribute.
3740 (*movstrictqi): Fixed z10prop attribute.
3741 (*mov<mode>): Fixed z10prop attribute.
3742 (*movcc): Fixed z10prop attribute.
3743 (*sethighpartdi_64): Fixed z10prop attribute.
3744 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
3745 (*negdi2_sign_cc): Fixed z10prop attribute.
3746 (*negdi2_sign): Fixed z10prop attribute.
3747 (*absdi2_sign_cc): Fixed z10prop attribute.
3748 (*absdi2_sign): Fixed z10prop attribute.
3749 (*negabsdi2_sign_cc): Fixed z10prop attribute.
3750 (*negabsdi2_sign): Fixed z10prop attribute.
3751 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
3752 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
3753 (doloop_si64): Fixed z10prop attribute.
3754 (doloop_si31): Fixed z10prop attribute.
3755 (doloop_long): Fixed z10prop attribute.
3756 (indirect_jump): Fixed z10prop attribute.
3757 (nop): Fixed z10prop attribute.
3758 (main_base_64): Fixed z10prop attribute.
3759 (reload_base_64): Fixed z10prop attribute.
3761 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3763 PR rtl-optimization/38740
3764 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
3766 * config/mips/mips.c (mips_reorg): Likewise.
3768 2009-01-28 Richard Guenther <rguenther@suse.de>
3770 PR tree-optimization/38926
3771 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
3772 with the correct value id to a value.
3773 (do_regular_insertion): Use the value number of edoubleprime
3774 for the value number of the expr.
3777 2008-08-21 Richard Guenther <rguenther@suse.de>
3779 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3780 a PHI ask VN if it is already available.
3781 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3782 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3784 2009-01-28 Jakub Jelinek <jakub@redhat.com>
3787 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
3788 set to varying whenever max has TREE_OVERFLOW set, similarly
3789 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
3791 2009-01-28 Richard Guenther <rguenther@suse.de>
3794 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
3795 uninitialized aggregate uses in call arguments.
3797 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
3799 PR tree-optimization/38984
3800 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
3801 the nothing_id variable if -fno-delete-null-pointer-checks.
3803 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
3806 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
3807 (set_got_offset_rex64): Ditto.
3809 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
3812 * doc/extend.texi: Improve local variable with asm reg.
3814 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
3816 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
3817 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
3818 was not supplied then set warn_packed_bitfield_compat to the
3820 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
3823 2009-01-27 Richard Guenther <rguenther@suse.de>
3825 PR tree-optimization/38503
3826 * cfgexpand.c (expand_gimple_basic_block): Ignore
3827 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
3828 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
3829 variables that cannot have TBAA applied.
3830 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
3833 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
3836 * calls.c (initialize_argument_information): Do not wrap complex
3837 arguments in SAVE_EXPR.
3839 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
3841 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
3842 (INSTALL_LIBGCC): Revert typo commit.
3844 2009-01-26 Richard Guenther <rguenther@suse.de>
3846 PR tree-optimization/38745
3847 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
3848 from special handling.
3850 2009-01-26 Richard Guenther <rguenther@suse.de>
3852 PR tree-optimization/38745
3853 * tree-ssa.c (execute_update_addresses_taken): Do not include
3854 variables that cannot possibly be a register in not_reg_needs.
3855 Do not clear TREE_ADDRESSABLE on vars that may not become
3857 * tree-ssa.c (update_alias_info_1): Include those in the set
3858 of addressable vars.
3860 2009-01-26 Richard Guenther <rguenther@suse.de>
3863 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
3864 * tree-ssa-dse.c: Include langhooks.h
3865 (execute_simple_dse): Remove stores with zero size.
3867 2009-01-24 Jakub Jelinek <jakub@redhat.com>
3870 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
3873 2009-01-24 Julian Brown <julian@codesourcery.com>
3875 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
3876 config/arm/linux-atomic.c.
3877 * config/arm/linux-atomic.c: New.
3879 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
3881 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
3882 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
3883 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
3885 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
3888 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
3891 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
3893 PR tree-optimization/38953
3894 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3895 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
3896 (gloog): Split the exit of the scop when the scop exit is a loop exit.
3897 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3900 2009-01-24 Paul Brook <paul@codesourcery.com>
3902 * config/arm/neon.md (neon_type): Move to arm.md.
3903 (neon_mov<VSTRUCT>): Add neon_type attribute.
3904 * config/arm/arm.md (neon_type): Move to here.
3905 (conds): Add "unconditioal" and use as default for NEON insns.
3907 2009-01-24 Ben Elliston <bje@au.ibm.com>
3909 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
3910 void *' warning from -Wc++-compat.
3911 * Makefile.in (dominance.o-warn): Remove.
3913 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
3915 PR tree-optimization/38932
3916 * fold-const.c (fold_unary_ignore_overflow): New.
3917 * tree.h (fold_unary_ignore_overflow): Declare.
3918 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
3919 * tree-ssa-sccvn.c (visit_reference_op_load,
3920 simplify_unary_expression): Likewise.
3922 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
3924 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
3925 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
3926 regardless of their type.
3927 * c-common.c (handle_packed_attribute): Don't ignore packed on
3929 * c.opt (Wpacked-bitfield-compat): New warning option.
3930 * stor-layout.c (place_field): Warn if offset of a field changed.
3931 * doc/extend.texi (packed): Mention the ABI change.
3932 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
3933 (Warning Options): Add it to the list.
3935 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
3937 * c-opts.c (c_common_post_options): Fix a typo in comments.
3939 2009-01-22 Steve Ellcey <sje@cup.hp.com>
3942 * gimplify.c (gimplify_init_constructor): Fix promotion of const
3943 variables to static.
3944 * doc/invoke.texi (-fmerge-all-constants): Update description.
3946 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
3949 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
3950 (*movdi_1_rex64): Use type "mmx" for alternative 5.
3952 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
3954 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
3956 (LOCAL_ALIGNMENT): Similarly.
3958 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3959 Joseph Myers <joseph@codesourcery.com>
3961 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
3962 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
3963 * config/arm/arm-tune.md: Regenerate.
3964 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
3967 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
3969 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
3970 version number to five.
3972 2009-01-22 Dodji Seketeli <dodji@redhat.com>
3975 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
3976 * c-common.c (set_underlying_type): Likewise.
3977 (is_typedef_decl ): Likewise
3979 (set_underlying_type): Likewise.
3980 (is_typedef_type): Likewise.
3982 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
3985 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
3988 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3991 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
3992 (LIBGCC_SPEC): Don't define.
3993 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
3995 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
3997 PR rtl-optimization/38879
3998 * alias.c (base_alias_check): Unaligned access via AND address can
3999 alias all surrounding object types except those with sizes equal
4000 or wider than the size of unaligned access.
4002 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4005 * c-decl.c (clone_underlying_type): Move this ...
4006 * c-common.c (set_underlying_type): ... here.
4007 Also, make sure the function properly sets TYPE_STUB_DECL() on
4008 the newly created typedef variant type.
4009 (is_typedef_decl ): New entry point.
4010 * tree.h: Added a new member member_types_needing_access_check to
4011 struct tree_decl_non_common.
4012 (set_underlying_type): New entry point.
4013 (is_typedef_type): Likewise.
4015 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4017 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4018 Check whether two instructions have memory references that
4019 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4020 are helper functions for traversing.
4021 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4022 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4023 not to draw dependency edge for instructions with non-conflicting
4026 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4029 * longlong.h: Update copyright years. Use soft-fp license notice.
4030 Sync __clz_tab declaration with glibc.
4032 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4035 * doc/extend.texi (syscall_linkage): New.
4036 (version_id): Modify.
4038 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4039 Richard Guenther <rguenther@suse.de>
4041 PR tree-optimization/38747
4042 PR tree-optimization/38748
4043 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4044 conversion if the base address is an indirect reference and the
4045 aliasing sets could cause issues.
4047 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4049 * common.opt (fgraphite, fgraphite-identity): Add comment for
4050 explaining why these options are not documented.
4052 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4054 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4055 gimple_call_lhs is NULL.
4057 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4060 * emit-rtl.c (adjust_address_1): Make sure memref is never
4063 2009-01-20 Ben Elliston <bje@au.ibm.com>
4065 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4066 const qualifier from arg parameter. Remove unnecessary cast to char *.
4067 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4068 const qualifier from arg 2.
4070 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4072 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4074 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4077 * rtl.h (reinit_regs): New prototype.
4078 * regclass.c: Include ira.h.
4080 * Makefile.in (regclass.o): Add ira.h.
4081 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4083 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4086 * c-common.c (handle_aligned_attribute): Use
4087 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4088 default alignment value.
4090 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4092 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4093 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4095 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4096 __BIGGEST_ALIGNMENT__.
4098 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4100 2009-01-18 Richard Guenther <rguenther@suse.de>
4102 PR tree-optimization/38819
4103 * tree-flow.h (operation_could_trap_helper_p): Declare.
4104 * tree-eh.c (operation_could_trap_helper_p): Export.
4105 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4106 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4107 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4108 are about to insert a possibly trapping instruction and fail
4111 2009-01-18 Andreas Schwab <schwab@suse.de>
4113 * doc/install.texi (Configuration): Remove obsolete paragraph
4114 about use of --with-gnu-ld with --with-gnu-as.
4116 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4118 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4119 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4120 Follow spelling conventions.
4122 2009-01-18 Ben Elliston <bje@au.ibm.com>
4124 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4125 C++ warning about implicit conversion from void * to struct
4127 (bitmap_obstack_free): Likewise for bitmap_element *.
4128 * Makefile.in (bitmap.o-warn): Remove.
4130 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4132 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4134 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4135 Tobias Grosser <tobi.grosser@amd.com>
4137 * graphite.c (graphite_trans_scop_block): Do not block single
4140 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4142 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4143 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4144 test with assertion.
4146 2009-01-16 Richard Guenther <rguenther@suse.de>
4148 PR tree-optimization/38835
4150 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4151 and INT + PTR -> (INT)(PTR p+ INT) folding.
4152 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4154 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4157 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4158 the subreg from a lowpart subreg if it is also casting the value.
4160 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4161 Tobias Grosser <tobi.grosser@amd.com>
4163 * graphite.c (compare_prefix_loops): New.
4164 (build_scop_canonical_schedules): Rewritten.
4165 (graphite_transform_loops): Move build_scop_canonical_schedules
4166 after build_scop_iteration_domain.
4168 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4169 Tobias Grosser <tobi.grosser@amd.com>
4171 * graphite.c (add_conditions_to_domain): Add the loops to
4172 the dimension of the iteration domain. Do copy the domain
4173 only when it exists.
4174 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4175 (add_conditions_to_constraints): New.
4176 (can_generate_code_stmt, can_generate_code): Removed.
4177 (gloog): Do not call can_generate_code.
4178 (graphite_transform_loops): Call add_conditions_to_constraints
4179 after building the iteration domain.
4181 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4183 PR tree-optimization/38789
4184 * tree-ssa-threadedge.c
4185 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4186 __builtin_constant_p.
4188 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4190 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4191 examined before deleting them.
4193 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
4195 * function.c (aggregate_value_p): Correctly extract the function
4196 type from CALL_EXPR_FN lookup.
4198 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4200 * config/picochip/picochip.c (picochip_override_options): Revert
4201 CFI asm flag disable commited previously.
4203 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
4204 Tobias Grosser <tobi.grosser@amd.com>
4205 Jan Sjodin <jan.sjodin@amd.com>
4207 * graphite.c (scan_tree_for_params): On substractions negate
4208 all the coefficients of the term.
4209 (clast_to_gcc_expression_red): New. Handle reduction expressions
4210 of more than two operands.
4211 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4212 (get_vdef_before_scop): Handle also the case of default definitions.
4214 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4216 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
4217 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
4218 Also use them when walking CALL_INSN_FUNCTION_USAGE.
4220 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
4221 Joey Ye <joey.ye@intel.com>
4224 * cfgexpand.c (expand_stack_alignment): Don't update stack
4225 boundary nor check incoming stack boundary here.
4226 (gimple_expand_cfg): Update stack boundary and check incoming
4227 stack boundary here.
4229 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
4231 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
4233 2009-01-14 Jakub Jelinek <jakub@redhat.com>
4235 PR rtl-optimization/38245
4236 * calls.c (expand_call): Add stack arguments to
4237 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4238 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
4239 in regs and partially in memory or BLKmode arguments.
4240 (emit_library_call_value_1): Add stack arguments to
4241 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4242 ACCUMULATE_OUTGOING_ARGS).
4243 * dce.c: Include tm_p.h.
4244 (find_call_stack_args): New function.
4245 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
4247 (mark_insn): Call find_call_stack_args for CALL_Ps.
4248 (prescan_insns_for_dce): Walk insns backwards in bb rather than
4249 forwards. Allocate and free arg_stores bitmap if needed, pass it
4250 down to deletable_insn_p, don't mark stores set in arg_stores
4251 bitmap, clear the bitmap at the beginning of each bb.
4252 * Makefile.in (dce.o): Depend on $(TM_P_H).
4254 2009-01-14 Michael Meissner <gnu@the-meissners.org>
4257 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
4258 to make sure the insn is a conditional test (bug 22599). Reformat a
4261 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
4264 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4265 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4266 (gloog): Do not call cleanup_tree_cfg.
4267 (graphite_transform_loops): Call cleanup_tree_cfg after all
4268 scops have been code generated.
4270 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
4271 * doc/gty.texi (Invoking the garbage collector): Added new node
4272 and section documenting ggc_collect.
4274 2009-01-14 Richard Guenther <rguenther@suse.de>
4276 PR tree-optimization/38826
4278 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
4279 initialization notes only if we actually emitted a warning.
4280 (intra_create_variable_infos): Add constraints for a result decl
4281 that is passed by hidden reference.
4282 (build_pred_graph): Mark all related variables non-direct on
4285 2009-01-14 Nick Clifton <nickc@redhat.com>
4287 * ira-conflicts.c: Include addresses.h for the definition of
4289 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
4290 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
4292 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
4295 * Makefile.in (ira-lives.o): Add except.h.
4297 * ira-lives.c: Include except.h.
4298 (process_bb_node_lives): Process can_throw_internal.
4300 2009-01-13 Jakub Jelinek <jakub@redhat.com>
4302 PR rtl-optimization/38774
4303 * combine.c (simplify_set): When undoing cc_use change, don't do
4304 PUT_CODE on the newly created comparison, but instead put back the
4307 2009-01-13 Joseph Myers <joseph@codesourcery.com>
4309 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
4310 values. Remove duplicate arm8 entry.
4312 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4314 PR tree-optimization/38786
4315 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4316 the SSA_NAME case of expand_scalar_variables_expr.
4317 Set the type of an expression to the type of its assign statement.
4318 (expand_scalar_variables_expr): Also gather the scalar computation
4319 used to index the memory access. Do not pass loop_p.
4320 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
4321 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4322 the gimple_stmt_iterator where it inserts new code.
4324 (copy_bb_and_scalar_dependences): Do not pass loop_p.
4325 (translate_clast): Update call to copy_bb_and_scalar_dependences.
4327 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
4329 * graphite.h (debug_value): Removed.
4330 * graphite.c (debug_value): Removed.
4332 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4334 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
4335 ldrd/strd with two 32-bit instructions.
4337 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
4339 * config/arm/arm.c (struct processors): Pass for speed down into
4340 cost helper functions.
4341 (const_ok_for_op): Handle COMPARE and inequality nodes.
4342 (arm_rtx_costs_1): Rewrite.
4343 (arm_size_rtx_costs): Update prototype.
4344 (arm_rtx_costs): Pass speed down to helper functions.
4345 (arm_slowmul_rtx_costs): Rework cost calculations.
4346 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
4347 (arm_9e_rtx_costs): Likewise.
4349 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
4351 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
4352 relocations of local symbols wider than UNITS_PER_WORD are not valid.
4353 (alpha_legitimize_address): Do not split local symbols wider than
4354 UNITS_PER_WORD into HIGH/LO_SUM parts.
4356 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
4359 * gcc.c (process_command): Replace call to execvp with calls
4360 to pex_one and exit.
4362 2009-01-03 Anatoly Sokolov <aesok@post.ru>
4365 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
4366 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
4367 variant for devices with 3-byte PC.
4368 (__tablejump_elpm__): New.
4370 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4373 * c-parser.c (c_parser_postfix_expression): Allow `->' in
4374 offsetof member-designator, handle it as `[0].'.
4376 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4378 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
4379 function when not using named sections on targets with named sections
4380 if branch distance is less than 262132.
4382 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
4384 * combine.c (combine_instructions): Recompute
4385 optimize_this_for_speed_p for each BB in the main combine loop.
4387 2009-01-12 Tomas Bily <tbily@suse.cz>
4390 * tree-loop-distribution.c (prop_phis): New function.
4391 (generate_builtin): Call prop_phis.
4392 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
4394 2009-01-12 Jakub Jelinek <jakub@redhat.com>
4396 PR tree-optimization/38807
4397 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
4398 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
4400 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
4402 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
4403 subreg of op0 to the original op0.
4405 2009-01-11 Laurent GUERBY <laurent@guerby.net>
4407 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
4409 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
4412 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
4413 starting with digits.
4415 2009-01-10 Jakub Jelinek <jakub@redhat.com>
4418 * config/arm/arm.c (arm_is_long_call_p): Don't call
4419 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
4421 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
4423 * regrename.c (regrename_optimize): Fix dumping.
4424 (find_oldest_value_reg): Preserve REG_POINTER.
4425 (copy_hardreg_forward_1): Likewise.
4427 2009-01-09 Diego Novillo <dnovillo@google.com>
4429 * gimple.h (struct gimple_statement_base) <uid>: Document
4430 the restrictions on its use.
4432 (gimple_set_uid): Tidy.
4434 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4436 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
4437 zero guard even if align_bytes != 0 and count is smaller than
4440 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
4442 PR rtl-optimization/38495
4443 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
4444 (add_range_and_copies_from_move_list): Print all added ranges.
4445 Add ranges to memory optimized destination.
4447 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4451 * config/i386/i386.c (override_options): Reject
4452 -mstringop-strategy=rep_8byte with -m32.
4453 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
4454 to 1. Do count comparison against epilogue_size_needed at compile
4455 time even when count_exp was constant forced into register. For
4456 size_needed don't jump to epilogue, instead just avoid aligning
4457 and invoke the body algorithm. If need_zero_guard, add zero guard
4458 even if count is non-zero, but smaller than size_needed + number of
4459 bytes that could be stored for alignment.
4460 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
4461 to 1. If need_zero_guard, add zero guard even if count is non-zero,
4462 but smaller than size_needed + number of bytes that could be stored
4463 for alignment. Compare size_needed with epilogue_size_needed instead
4464 of desired_align - align, don't adjust size_needed, pass
4465 epilogue_size_needed to the epilogue expanders.
4468 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
4470 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4472 * pa.c (last_address): Change to unsigned.
4473 (update_total_code_bytes): Change argument to unsigned. Don't
4474 check if insn addresses are set.
4475 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
4476 addresses are not set.
4477 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
4479 2009-01-09 Nick Clifton <nickc@redhat.com>
4481 * config/sh/symbian.c: Replace uses of DECL_INLINE with
4482 DECL_DECLARED_INLINE_P.
4484 2009-01-09 Jakub Jelinek <jakub@redhat.com>
4487 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
4488 GET_MODE (op0) in operand_subword_force calls.
4491 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
4492 fold_convert arg0 operands to TREE_TYPE (op0) first.
4494 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
4496 * params.def (ira-max-conflict-table-size): Decrease default value
4499 2009-01-08 Jakub Jelinek <jakub@redhat.com>
4501 PR tree-optimization/37031
4502 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
4504 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
4505 allocate it using gc instead of heap, use VEC_quick_push instead of
4507 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
4508 instead of heap, use VEC_quick_push instead of VEC_safe_push.
4509 * tree-data-ref.h (struct access_matrix): Change matrix to gc
4510 allocated vector from heap allocated.
4511 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
4512 * tree-loop-linear.c (linear_transform_loops): Allocate nest
4513 vector only after perfect_loop_nest_depth call.
4515 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
4516 Jan Sjodin <jan.sjodin@amd.com>
4518 PR tree-optimization/38559
4519 * graphite.c (debug_value, copy_constraint,
4520 swap_constraint_variables, scale_constraint_variable, ): New.
4521 (get_lower_bound, get_upper_bound): Removed.
4522 (graphite_trans_bb_strip_mine): Clean up this code that works
4523 only for constant number of iterations. Fully copy upper and
4524 lower bound constraints, not only the constant part of them.
4525 * graphite.h (debug_value): Declared.
4527 2009-01-08 Ira Rosen <irar@il.ibm.com>
4529 PR tree-optimization/37194
4530 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
4531 Don't add the cost of cost model guard in prologue to scalar
4532 outside cost in case of known number of iterations.
4534 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
4535 Alan Modra <amodra@bigpond.net.au>
4537 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
4538 non-word-aligned REG+CONST addressing.
4540 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4543 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
4544 free_after_compilation when outputting a thunk.
4545 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
4546 Do not call free_after_compilation here.
4548 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
4550 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
4551 (ix86_valid_target_attribute_inner_p): Ditto.
4553 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
4555 PR tree-optimization/38492
4556 PR tree-optimization/38498
4557 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4558 * tree-chrec.h (scev_is_linear_expression): Declared.
4559 * graphite.c (graphite_cannot_represent_loop_niter): New.
4560 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4561 (graphite_loop_normal_form): Use gcc_assert.
4562 (scan_tree_for_params): Use CASE_CONVERT.
4563 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4564 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4565 Use gcc_assert. Discard scops that contain unhandled cases.
4566 (build_scop_conditions): Return a boolean status for unhandled cases.
4567 (strip_mine_profitable_p): Print the loop number, not its depth.
4568 (is_interchange_valid): Pass the depth of the loop nest, don't
4569 recompute it wrongly.
4570 (graphite_trans_bb_block): Same.
4571 (graphite_trans_bb_block): Print tentative of loop blocking.
4572 (graphite_trans_scop_block): Do not print that the loop has been
4574 (graphite_transform_loops): Do not handle scops that contain condition
4577 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
4579 AVX Programming Reference (December, 2008)
4580 * config/i386/avxintrin.h (_mm256_stream_si256): New.
4581 (_mm256_stream_pd): Likewise.
4582 (_mm256_stream_ps): Likewise.
4584 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
4585 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
4586 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
4587 (bdesc_special_args): Add __builtin_ia32_movntdq256,
4588 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
4589 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
4590 (ix86_expand_special_args_builtin): Likewise.
4592 * config/i386/sse.md (AVXMODEDI): New.
4593 (avx_movnt<mode>): Likewise.
4594 (avx_movnt<mode>): Likewise.
4595 (<sse>_movnt<mode>): Remove AVX support.
4596 (sse2_movntv2di): Likewise.
4598 2009-01-07 Richard Guenther <rguenther@suse.de>
4601 * fold-const.c (extract_muldiv): Remove obsolete comment.
4602 (fold_plusminus_mult_expr): Undo MINUS_EXPR
4603 to PLUS_EXPR canonicalization for the canonicalization.
4605 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
4607 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
4608 hosted cross-compilers generating less efficient code.
4610 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4612 * function.h (rtl_data): Add a dbr_scheduled_p field.
4613 * reorg.c (dbr_schedule): Set it.
4614 (gate_handle_delay_slots): Check it.
4615 * config/mips/mips.c (mips_base_delayed_branch): Delete.
4616 (mips_reorg): Check flag_delayed_branch instead of
4617 mips_base_delayed_branch.
4618 (mips_override_options): Don't set mips_base_delayed_branch
4619 or flag_delayed_branch.
4621 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
4623 PR rtl-optimization/38426.
4624 * ira.c (ira): Set current_function_is_leaf earlier.
4626 2009-01-06 Jakub Jelinek <jakub@redhat.com>
4628 PR rtl-optimization/38722
4629 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
4630 too early, only set a flag and modify after last possible
4633 2009-01-06 Janis Johnson <janis187@us.ibm.com>
4636 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
4637 * real.c (decimal_single_format): Correct values of emin and emax.
4638 (decimal_double_format): Ditto.
4639 (decimal_quad_format): Ditto.
4640 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
4641 computation of DECnn_MIN and DECnn_MAX for corrected values of
4642 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
4643 __DECnn_MIN__, and adjust its computation for the corrected value
4646 2009-01-06 Jan Hubicka <jh@suse.cz>
4649 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
4651 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
4653 * doc/contrib.texi (Contributors): Slightly adjust the end note.
4654 Add Robert Clark to the list of testers.
4656 2009-01-06 Jan Hubicka <jh@suse.cz>
4657 Kai Tietz <kai.tietz@onevision.com>
4659 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
4660 * config/i386/i386.c (ix86_expand_call): Add clobbers.
4662 2009-01-06 Jan Hubicka <jh@suse.cz>
4663 Kai Tietz <kai.tietz@onevision.com>
4665 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
4667 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
4668 (ix86_nsaved_regs): Count only general purpose regs.
4669 (ix86_nsaved_sseregs): New.
4670 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
4671 to 16 for w64; compute padding and size of sse reg save area.
4672 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
4673 general purpose regs.
4674 (ix86_emit_save_sse_regs_using_mov): New.
4675 (ix86_expand_prologue): Save SSE regs if needed.
4676 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
4677 (ix86_emit_restore_sse_regs_using_mov): New.
4678 (ix86_expand_epilogue): Save SSE regs if needed.
4680 2009-01-06 Jan Hubicka <jh@suse.cz>
4681 Kai Tietz <kai.tietz@onevision.com>
4683 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
4684 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
4685 functions when accumulate outgoing args is off.
4687 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4690 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
4691 before using pseudos_have_intersected_live_ranges_p.
4693 * ira-int.h (ira_assert): Always define.
4695 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
4697 AVX Programming Reference (December, 2008)
4698 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
4699 (_mm256_permute2_pd): Likewise.
4700 (_mm_permute2_ps): Likewise.
4701 (_mm256_permute2_ps): Likewise.
4702 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
4703 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
4705 * config/i386/i386.c (ix86_builtins): Remove
4706 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
4707 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
4708 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
4709 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
4710 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
4711 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
4712 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
4713 __builtin_ia32_vpermil2ps256.
4714 (ix86_init_mmx_sse_builtins): Updated.
4715 (ix86_expand_args_builtin): Likewise.
4717 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4719 * pa.c (output_call): Relocate non-jump insns in the delay slot of
4720 long absolute calls when generating PA 2.0 code.
4722 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
4724 PR rtl-optimization/38583
4725 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
4727 * params.def (ira-max-conflict-table-size): New.
4729 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
4731 * ira.h (ira_conflicts_p): New external definition.
4733 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
4734 table. Report this. Return result of building.
4735 (ira_build_conflicts): Use ira_conflicts_p. Check result of
4736 building conflict table.
4738 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
4739 (ira_color): Use ira_conflicts_p.
4741 * global.c: Include ira.h.
4742 (pseudo_for_reload_consideration_p, build_insn_chain): Use
4745 * Makefile.in (global.o): Add ira.h.
4747 * ira-build.c (mark_all_loops_for_removal,
4748 propagate_some_info_from_allocno): New.
4749 (remove_unnecessary_allocnos): Call
4750 propagate_some_info_from_allocno.
4751 (remove_low_level_allocnos): New.
4752 (remove_unnecessary_regions): Add parameter. Call
4753 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
4754 parameter to remove_unnecessary_regions.
4755 (ira_build): Remove all regions but root if the conflict table was
4756 not built. Update conflict hard regs for allocnos crossing calls.
4758 * ira.c (ira_conflicts_p): New global.
4759 (ira): Define and use ira_conflicts_p.
4761 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4762 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
4763 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
4765 2009-01-06 Ben Elliston <bje@au.ibm.com>
4767 * gengtype-lex.l (YY_NO_INPUT): Define.
4769 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
4772 * c-common.c (handle_vector_size_attribute): Also reject
4775 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
4777 PR tree-optimization/38492
4778 * graphite.c (rename_map_elt, debug_rename_elt,
4779 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4780 rename_map_elt_info, eq_rename_map_elts,
4781 get_new_name_from_old_name, bb_in_sese_p): Moved around.
4782 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4783 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4784 (sese_build_livein_liveouts): New.
4785 (new_sese, free_sese): New.
4786 (new_scop): Call new_sese.
4787 (free_scop): Call free_sese.
4788 (rename_variables_from_edge, rename_phis_end_scop): Removed.
4789 (register_old_new_names): Renamed register_old_and_new_names.
4790 (register_scop_liveout_renames, add_loop_exit_phis,
4791 insert_loop_close_phis, struct igp,
4792 default_liveout_before_guard, add_guard_exit_phis,
4793 insert_guard_phis, copy_renames): New.
4794 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4795 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4796 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4797 (scop_adjust_phis_for_liveouts): New.
4798 (gloog): Call scop_adjust_phis_for_liveouts.
4800 * graphite.h (struct sese): Documented. Added fields liveout,
4802 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4803 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4804 (struct scop): Added field liveout_renames.
4805 (SCOP_LIVEOUT_RENAMES): New.
4807 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4809 PR tree-optimization/38510
4810 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4811 (translate_clast): Call recompute_all_dominators before
4813 (gloog): Call recompute_all_dominators before graphite_verify.
4815 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
4816 Jan Sjodin <jan.sjodin@amd.com>
4818 PR tree-optimization/38500
4819 * graphite.c (create_sese_edges): Call fix_loop_structure after
4822 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4824 * config.gcc: Add m32r*-*-rtems*.
4825 * config/m32r/rtems.h: New file.
4827 2009-01-05 Ben Elliston <bje@au.ibm.com>
4829 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
4830 (.po.pox): Likewise.
4831 (po/gcc.pot): Likewise.
4833 2009-01-04 David S. Miller <davem@davemloft.net>
4835 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
4836 (STARTING_FRAME_OFFSET): Always set to zero.
4838 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4840 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
4841 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
4842 fixed-point types, and vectors of the same.
4844 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
4846 * config/mips/sync.md (*mb_barrier): Rename to...
4847 (*memory_barrier): ...this.
4849 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
4851 * doc/extend.texi (Function Attributes): Move @cindex after @item
4852 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
4853 and put in alphabetical order. Fix 'target' name and put in order.
4854 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
4857 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
4859 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
4860 (memory_barrier): Expand as unspec instead of unspec_volatile.
4861 Remove mem:BLK from insn operands. Use Pmode scratch register.
4862 (*memory_barrier): Define as unspec instead of unspec_volatile.
4863 Use (match_dup 0) as input operand.
4865 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
4866 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
4867 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
4868 scratch register. Remove operand 1.
4869 (*stbar): Define as unspec instead of unspec_volatile.
4870 Use (match_dup 0) as input operand, remove (const_int 8).
4871 (*membar): Define as unspec instead of unspec_volatile.
4872 Use (match_dup 0) as input operand, remove input operand 2.
4874 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
4875 (memory_barrier): Expand as unspec instead of unspec_volatile.
4876 Remove mem:BLK from insn operands. Use Pmode scratch register.
4877 (*memory_barrier): Define as unspec instead of unspec_volatile.
4878 Use (match_dup 0) as input operand.
4880 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
4881 Remove mem:BLK from insn operands. Use Pmode scratch register.
4882 Set volatile flag on operand 0.
4883 (*memory_barrier): New insn pattern.
4885 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
4887 (*memory_barrier): Use (match_dup 0) as input operand.
4889 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
4890 Remove mem:BLK from insn operands. Use Pmode scratch register.
4891 Set volatile flag on operand 0.
4892 (*mb_internal): New insn pattern.
4894 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
4896 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4899 * function.c (struct temp_slot): Move to the section of the file
4900 that deals with temp slots. Remove field 'address'.
4901 (temp_slot_address_table): New hash table of address -> temp slot.
4902 (struct temp_slot_address_entry): New struct, items for the table.
4903 (temp_slot_address_compute_hash, temp_slot_address_hash,
4904 temp_slot_address_eq, insert_temp_slot_address): Support functions
4906 (find_temp_slot_from_address): Rewrite to use the new hash table.
4907 (remove_unused_temp_slot_addresses): Remove addresses of temp
4908 slots that have been made available.
4909 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
4910 worker function for remove_unused_temp_slot_addresses.
4911 (assign_stack_temp_for_type): Don't clear the temp slot address list.
4912 Add the temp slot address to the address -> temp slot map.
4913 (update_temp_slot_address): Update via insert_temp_slot_address.
4914 (free_temp_slots): Call remove_unused_temp_slot_addresses.
4915 (pop_temp_slots): Likewise.
4916 (init_temp_slots): Allocate the address -> temp slot map, or empty
4917 the map if it is already allocated.
4918 (prepare_function_start): Initialize temp slot processing.
4920 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
4923 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
4924 Calculate the size of all stack vars assuming no packing of stack
4925 vars will happen, replacing a quadratic algorithm with a linear one.
4927 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4930 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
4933 2009-01-03 Diego Novillo <dnovillo@google.com>
4935 * doc/contrib.texi: Update contributions.
4937 2009-01-03 Jakub Jelinek <jakub@redhat.com>
4940 * builtins.c (fold_builtin_memory_op): Give up if either operand
4941 is volatile. Set srctype or desttype to non-qualified version
4945 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
4948 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
4950 PR rtl-optimization/35805
4951 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
4952 problem if fast dce is able to remove any instructions.
4953 * dce.c (dce_process_block): Fix dump message.
4955 2009-01-02 Mark Mitchell <mark@codesourcery.com>
4958 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
4960 2009-01-02 Jakub Jelinek <jakub@redhat.com>
4963 * tree-flow.h (op_code_prio, op_prio): New prototypes.
4964 * tree-pretty-print.c (op_code_prio): New function.
4965 (op_prio): No longer static. Use op_code_prio.
4966 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
4967 Use op_prio and op_code_prio to determine if () should be
4968 printed around operand(s) or not.
4970 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
4971 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
4972 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
4973 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
4974 pp_character instead of pp_string for single letter printing.
4976 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4978 * doc/extend.texi: Fix '#pragma GCC option' typo.
4980 2009-01-02 Richard Guenther <rguenther@suse.de>
4982 * doc/install.texi (--enable-checking): Mention different
4984 (--enable-stage1-checking): Document.
4986 2009-01-01 Andrew Pinski <pinskia@gmail.com>
4989 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
4990 case to be an error.
4992 2009-01-02 Ben Elliston <bje@au.ibm.com>
4994 * config/fp-bit.h (pack_d): Constify argument.
4995 * config/fp-bit.c (makenan): Constify return type. Remove casts.
4996 (isnan): Constify argument.
5000 (_fpadd_parts): Constify return type.
5001 (_fpmul_parts): Likewise.
5002 (_fpdiv_parts): Likewise.
5004 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5007 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5008 warn about overwriting initializer with side-effects or
5009 -Woverride-init if !IMPLICIT.
5010 (output_init_element): Likewise. Pass IMPLICIT down to
5012 (process_init_element): Add IMPLICIT argument. Pass it down
5013 to output_init_element.
5014 (push_init_element, pop_init_level, set_designator): Adjust
5015 process_init_element callers.
5016 (set_nonincremental_init, set_nonincremental_init_from_string):
5017 Adjust add_pending_init callers.
5018 (output_pending_init_elements): Adjust output_init_element callers.
5019 * c-tree.h (process_init_element): Adjust prototype.
5020 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5021 process_init_element callers.