* arm.md (divsf3, divdf3): Remove FPA support.
[official-gcc.git] / gcc / ChangeLog
blob3cb8a15e35f54bc47814fe66897acc9572edd1f6
1 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
3         * arm.md (divsf3, divdf3): Remove FPA support.
4         (negsf2, negdf2): Likewise.
5         (sqrtsf2, sqrtdf2): Likewise.
6         (movdfcc): Likewise.
7         (modsf3, moddf3, movxf): Delete.
8         (push_fp_multi): Delete.
9         (fpa.md): Don't include it.
10         * fpa.md: Delete file.
11         * t-arm (MD_INCLUDES): Remove fpa.md.
13 2012-06-14  Bill Schmidt  <wschmidt@linux.ibm.com>
15         * tree-vectorizer.h (vect_get_stmt_cost): Move from tree-vect-stmts.c.
16         (cost_for_stmt): Remove decl.
17         (vect_get_single_scalar_iteration_cost): Correct typo in name.
18         * tree-vect-loop.c (vect_get_cost): Remove.
19         (vect_get_single_scalar_iteration_cost): Correct typo in name; use
20         vect_get_stmt_cost rather than vect_get_cost.
21         (vect_get_known_peeling_cost): Use vect_get_stmt_cost rather than
22         vect_get_cost.
23         (vect_estimate_min_profitable_iters): Correct typo in call to
24         vect_get_single_scalar_iteration_cost; use vect_get_stmt_cost rather
25         than vect_get_cost.
26         (vect_model_reduction_cost): Use vect_get_stmt_cost rather than
27         vect_get_cost.
28         (vect_model_induction_cost): Likewise.
29         * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Correct
30         typo in call to vect_get_single_scalar_iteration_cost.
31         * tree-vect-stmts.c (vect_get_stmt_cost): Move to tree-vectorizer.h.
32         (cost_for_stmt): Remove unnecessary function.
33         * Makefile.in (TREE_VECTORIZER_H): Update dependencies.
35 2012-06-14  Richard Earnshaw  <rearnsha@arm.com>
37         * arm.opt (mfp=2, mfp=3, mfpe, mfpe=2, mfpe=3): Delete options.
38         * arm-fpus.def (fpa, fpe2, fpe3, maverick): Delete FPU types.
39         * arm-tables.opt: Regenerated.
40         * doc/invoke.texi: Remove references to deleted options.
42 2012-06-14  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
44         * config/h8300/genmova.sh: Modified to add offset bits of 
45         mova/Sz assembly instruction for memory access.
46         * config/h8300/h8300.c: Likewise.
47         * config/h8300/mova.md: Likewise.
49 2012-06-12  Christian Bruel  <christian.bruel@st.com>
51         PR target/53621
52         * config/sh/sh.c (sh_option_override): Don't force
53          flag_omit_frame_pointer and maccumulate_outgoing_args.
54         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
56 2012-06-14  Richard Guenther  <rguenther@suse.de>
58         * tree-vrp.c (VR_INITIALIZER): New define.
59         (ranges_from_anti_range): New function.
60         (extract_range_from_binary_expr_1): Decompose operations on
61         VR_ANTI_RANGEs to operations on VR_RANGE.
62         (extract_range_from_unary_expr_1): Likewise.
63         (extract_range_from_binary_expr_1, extract_range_from_binary_expr,
64         extract_range_from_unary_expr_1, extract_range_from_unary_expr,
65         extract_range_from_cond_expr, adjust_range_with_scev,
66         vrp_visit_assignment_or_call, vrp_visit_phi_node,
67         simplify_bit_ops_using_ranges): Use VR_INITIALIZER.
69 2012-06-13  Richard Henderson  <rth@redhat.com>
71         * hwint.h (HOST_WIDEST_INT_C): New.
72         (HOST_WIDE_INT_C): New.
73         (HOST_WIDE_INT_1): Use it.
74         * config/alpha/alpha.c (alpha_trampoline_init): Use it.
76 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
78         PR debug/49888
79         * var-tracking.c: Include alias.h.
80         (overlapping_mems): New struct.
81         (drop_overlapping_mem_locs): New.
82         (clobber_overlapping_mems): New.
83         (var_mem_delete_and_set, var_mem_delete): Call it.
84         (val_bind): Likewise, but only if modified.
85         (compute_bb_dataflow, emit_notes_in_bb): Call it on MEMs.
86         * Makefile.in (var-tracking.o): Depend in $(ALIAS_H).
88 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
90         PR debug/47624
91         * var-tracking.c (loc_exp_dep_pool): New.
92         (vt_emit_notes): Create and release the pool.
93         (compute_bb_dataflow): Use value-based locations in MO_VAL_SET.
94         (emit_notes_in_bb): Likewise.
95         (loc_exp_dep_insert): Deal with NOT_ONEPART vars.
96         (notify_dependents_of_changed_value): Likewise.
97         (notify_dependents_of_resolved_value): Check that NOT_ONEPART
98         variables don't have a VAR_LOC_DEP_LST.
99         (emit_note_insn_var_location): Expand NOT_ONEPART locs that are
100         VALUEs or MEMs of VALUEs.
102 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
104         PR debug/52983
105         PR debug/48866
106         * dce.c (word_dce_process_block): Insert debug temps only if the
107         insn is not marked.
108         (dce_process_block): Likewise, and if debug.used is not empty,
109         and only after iterating over all DEFs that might mark the insn.
111 2012-06-13  Alexandre Oliva  <aoliva@redhat.com>
113         * common.opt (ftree-coalesce-inlined-vars): New.
114         (ftree-coalesce-vars): New.
115         * doc/invoke.texi: Document them.
116         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
117         Implement them.
119 2012-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
121         * read-rtl.c (mapping): Remove index field.  Add current_value field.
122         Define heap vectors.
123         (iterator_group): Fix long line.  Remove num_builtins field and
124         uses_iterator fields.  Make apply_iterator take a void * parameter.
125         (iterator_use, atttribute_use): New structures.
126         (iterator_traverse_data, BELLWETHER_CODE, bellwether_codes): Delete.
127         (current_iterators, iterator_uses, attribute_uses): New variables.
128         (uses_mode_iterator_p, uses_code_iterator_p): Delete.
129         (apply_mode_iterator, apply_code_iterator): Take a void * parameter.
130         (map_attr_string, apply_iterator_to_string): Remove iterator
131         and value parameters.  Look through all current iterator values
132         for a matching attribute.
133         (mode_attr_index, apply_mode_maps): Delete.
134         (apply_iterator_to_rtx): Replace with...
135         (copy_rtx_for_iterators): ...this new function.
136         (uses_iterator_p, apply_iterator_traverse): Delete.
137         (apply_attribute_uses, add_current_iterators, apply_iterators): New
138         functions.
139         (add_mapping): Remove index field.  Set current_value field.
140         (initialize_iterators): Don't set num_builtins and uses_iterator_p
141         fields.
142         (find_iterator): Delete.
143         (record_iterator_use, record_attribute_use): New functions.
144         (record_potential_iterator_use): New function.
145         (check_code_iterator): Remove handling of bellwether codes.
146         (read_rtx): Remove mode maps.  Truncate iterator and attribute uses.
147         (read_rtx_code, read_nested_rtx, read_rtx_variadic): Remove mode_maps
148         parameter.  Use the first code iterator value instead of the
149         bellwether_codes array.  Use record_potential_iterator_use
150         for modes.
152 2012-06-13  Oleg Endo  <olegendo@gcc.gnu.org>
154         PR target/53568
155         * config/sh/sh.md (bswapsi2): New expander.
156         (swapbsi2): New insn.
158 2012-06-13  H.J. Lu  <hongjiu.lu@intel.com>
160         PR target/53647
161         * config/i386/i386.c (ix86_tune_cost): New variable.
162         (ix86_option_override_internal): Set ix86_tune_cost.  Use
163         ix86_tune_cost for simultaneous_prefetches, prefetch_block,
164         l1_cache_size and l2_cache_size.
166 2012-06-13  Richard Guenther  <rguenther@suse.de>
168         * tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
169         Handle meeting two VR_RANGE to an VR_ANTI_RANGE.  Implement
170         all possible meetings of VR_RANGE with VR_ANTI_RANGE and
171         VR_ANTI_RANGE with VR_ANTI_RANGE.
173 2012-06-13  Richard Earnshaw  <rearnsha@arm.com>
175         * config.gcc (unsupported): Move obsoleted FPA-based configurations
176         here from ...
177         (obsolete): ... here.
178         (arm*-*-freebsd*): Remove.
179         (arm*-*-linux*): Only accept EABI variants.  Simplify logic.
180         (arm*-*-uclinux*): Likewise.
181         (arm*-*-ecos-elf): Remove.
182         (arm*-*-rtems*): Remove.
183         (arm*-*-elf): Remove.
184         (arm*-wince-pe*): Remove.
185         (arm, --with-fpu): Remove support for fpa and Maverick variants.
186         * arm/ecos-elf.h: Delete.
187         * arm/t-strongarm-elf: Delete.
188         * arm/rtems-elf.h: Delete.
189         * arm/wince-pe.h: Delete.
190         * arm/pe.c: Delete.
191         * arm/pe.h: Delete.
192         * arm/t-wince-pe: Delete.
194 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
196         PR tree-optimization/53647
197         * tree-ssa-phiopt.c (gate_hoist_loads): Skip transformation for
198         targets with no defined cache line size.
200 2012-06-13  Bill Schmidt  <wschmidt@linux.ibm.com>
202         * targhooks.c (default_builtin_vectorized_conversion): Handle
203         vec_construct, using vectype to base cost on subparts.
204         * target.h (enum vect_cost_for_stmt): Add vec_construct.
205         * tree-vect-stmts.c (vect_model_load_cost): Use vec_construct
206         instead of scalar_to-vec.
207         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
208         vec_construct in same way as default for now.
209         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
210         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
211         Handle vec_construct, including special case for 32-bit loads.
213 2012-06-13  Xinyu Qi <xyqi@marvell.com>
215         * config/arm/arm.c (FL_IWMMXT2): New define.
216         (arm_arch_iwmmxt2): New variable.
217         (arm_option_override): Enable use of iWMMXt with VFP.
218         Disable use of iWMMXt with NEON. Disable use of iWMMXt under
219         Thumb mode. Set arm_arch_iwmmxt2.
220         (arm_expand_binop_builtin): Accept VOIDmode op.
221         (enum arm_builtins): Revise built-in fcode.
222         (IWMMXT2_BUILTIN): New define.
223         (IWMMXT2_BUILTIN2): Likewise.
224         (iwmmx2_mbuiltin): Likewise.
225         (builtin_description bdesc_2arg): Revise built in declaration.
226         (builtin_description bdesc_1arg): Likewise.
227         (arm_init_iwmmxt_builtins): Revise built in initialization.
228         (arm_expand_builtin): Revise built in expansion.
229         (arm_output_iwmmxt_shift_immediate): New function.
230         (arm_output_iwmmxt_tinsr): Likewise.
231         * config/arm/arm-protos.h (arm_output_iwmmxt_shift_immediate): Declare.
232         (arm_output_iwmmxt_tinsr): Likewise.
233         * config/arm/iwmmxt.md (WCGR0, WCGR1, WCGR2, WCGR3): New constant.
234         (iwmmxt_psadbw, iwmmxt_walign, iwmmxt_tmrc, iwmmxt_tmcr): Delete.
235         (rorv4hi3, rorv2si3, rordi3): Likewise.
236         (rorv4hi3_di, rorv2si3_di, rordi3_di): Likewise.
237         (ashrv4hi3_di, ashrv2si3_di, ashrdi3_di): Likewise.
238         (lshrv4hi3_di, lshrv2si3_di, lshrdi3_di): Likewise.
239         (ashlv4hi3_di, ashlv2si3_di, ashldi3_di): Likewise.
240         (iwmmxt_tbcstqi, iwmmxt_tbcsthi, iwmmxt_tbcstsi): Likewise
241         (*iwmmxt_clrv8qi, *iwmmxt_clrv4hi, *iwmmxt_clrv2si): Likewise.
242         (tbcstv8qi, tbcstv4hi, tbsctv2si): New pattern.
243         (iwmmxt_clrv8qi, iwmmxt_clrv4hi, iwmmxt_clrv2si): Likewise.
244         (*and<mode>3_iwmmxt, *ior<mode>3_iwmmxt, *xor<mode>3_iwmmxt): Likewise.
245         (ror<mode>3, ror<mode>3_di): Likewise.
246         (ashr<mode>3_di, lshr<mode>3_di, ashl<mode>3_di): Likewise.
247         (ashli<mode>3_iwmmxt, iwmmxt_waligni, iwmmxt_walignr): Likewise.
248         (iwmmxt_walignr0, iwmmxt_walignr1): Likewise.
249         (iwmmxt_walignr2, iwmmxt_walignr3): Likewise.
250         (iwmmxt_setwcgr0, iwmmxt_setwcgr1): Likewise.
251         (iwmmxt_setwcgr2, iwmmxt_setwcgr3): Likewise.
252         (iwmmxt_getwcgr0, iwmmxt_getwcgr1): Likewise.
253         (iwmmxt_getwcgr2, iwmmxt_getwcgr3): Likewise.
254         (All instruction patterns): Add wtype attribute.
255         (*iwmmxt_arm_movdi, *iwmmxt_movsi_insn): iWMMXt coexist with vfp.
256         (iwmmxt_uavgrndv8qi3, iwmmxt_uavgrndv4hi3): Revise the pattern.
257         (iwmmxt_uavgv8qi3, iwmmxt_uavgv4hi3): Likewise.
258         (ashr<mode>3_iwmmxt, ashl<mode>3_iwmmxt, lshr<mode>3_iwmmxt): Likewise.
259         (iwmmxt_tinsrb, iwmmxt_tinsrh, iwmmxt_tinsrw):Likewise.
260         (eqv8qi3, eqv4hi3, eqv2si3, gtuv8qi3): Likewise.
261         (gtuv4hi3, gtuv2si3, gtv8qi3, gtv4hi3, gtv2si3): Likewise.
262         (iwmmxt_wunpckihh, iwmmxt_wunpckihw, iwmmxt_wunpckilh): Likewise.
263         (iwmmxt_wunpckilw, iwmmxt_wunpckehub, iwmmxt_wunpckehuh): Likewise.
264         (iwmmxt_wunpckehuw, iwmmxt_wunpckehsb, iwmmxt_wunpckehsh): Likewise.
265         (iwmmxt_wunpckehsw, iwmmxt_wunpckelub, iwmmxt_wunpckeluh): Likewise.
266         (iwmmxt_wunpckeluw, iwmmxt_wunpckelsb, iwmmxt_wunpckelsh): Likewise.
267         (iwmmxt_wunpckelsw, iwmmxt_wmadds, iwmmxt_wmaddu): Likewise.
268         (iwmmxt_wsadb, iwmmxt_wsadh, iwmmxt_wsadbz, iwmmxt_wsadhz): Likewise.
269         (iwmmxt2.md): Include.
270         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __IWMMXT2__.
271         (TARGET_IWMMXT2): New define.
272         (TARGET_REALLY_IWMMXT2): Likewise.
273         (arm_arch_iwmmxt2): Declare.
274         * config/arm/mmintrin.h: Use __IWMMXT__ to enable iWMMXt intrinsics.
275         Use __IWMMXT2__ to enable iWMMXt2 intrinsics.
276         Use C name-mangling for intrinsics.
277         (__v8qi): Redefine.
278         (_mm_cvtsi32_si64, _mm_andnot_si64, _mm_sad_pu8): Revise.
279         (_mm_sad_pu16, _mm_align_si64, _mm_setwcx, _mm_getwcx): Likewise.
280         (_m_from_int): Likewise.
281         (_mm_sada_pu8, _mm_sada_pu16): New intrinsic.
282         (_mm_alignr0_si64, _mm_alignr1_si64, _mm_alignr2_si64): Likewise.
283         (_mm_alignr3_si64, _mm_tandcb, _mm_tandch, _mm_tandcw): Likewise.
284         (_mm_textrcb, _mm_textrch, _mm_textrcw, _mm_torcb): Likewise.
285         (_mm_torch, _mm_torcw, _mm_tbcst_pi8, _mm_tbcst_pi16): Likewise.
286         (_mm_tbcst_pi32): Likewise.
287         (_mm_abs_pi8, _mm_abs_pi16, _mm_abs_pi32): New iWMMXt2 intrinsic.
288         (_mm_addsubhx_pi16, _mm_absdiff_pu8, _mm_absdiff_pu16): Likewise.
289         (_mm_absdiff_pu32, _mm_addc_pu16, _mm_addc_pu32): Likewise.
290         (_mm_avg4_pu8, _mm_avg4r_pu8, _mm_maddx_pi16, _mm_maddx_pu16): Likewise.
291         (_mm_msub_pi16, _mm_msub_pu16, _mm_mulhi_pi32): Likewise.
292         (_mm_mulhi_pu32, _mm_mulhir_pi16, _mm_mulhir_pi32): Likewise.
293         (_mm_mulhir_pu16, _mm_mulhir_pu32, _mm_mullo_pi32): Likewise.
294         (_mm_qmulm_pi16, _mm_qmulm_pi32, _mm_qmulmr_pi16): Likewise.
295         (_mm_qmulmr_pi32, _mm_subaddhx_pi16, _mm_addbhusl_pu8): Likewise.
296         (_mm_addbhusm_pu8, _mm_qmiabb_pi32, _mm_qmiabbn_pi32): Likewise.
297         (_mm_qmiabt_pi32, _mm_qmiabtn_pi32, _mm_qmiatb_pi32): Likewise.
298         (_mm_qmiatbn_pi32, _mm_qmiatt_pi32, _mm_qmiattn_pi32): Likewise.
299         (_mm_wmiabb_si64, _mm_wmiabbn_si64, _mm_wmiabt_si64): Likewise.
300         (_mm_wmiabtn_si64, _mm_wmiatb_si64, _mm_wmiatbn_si64): Likewise.
301         (_mm_wmiatt_si64, _mm_wmiattn_si64, _mm_wmiawbb_si64): Likewise.
302         (_mm_wmiawbbn_si64, _mm_wmiawbt_si64, _mm_wmiawbtn_si64): Likewise.
303         (_mm_wmiawtb_si64, _mm_wmiawtbn_si64, _mm_wmiawtt_si64): Likewise.
304         (_mm_wmiawttn_si64, _mm_merge_si64): Likewise.
305         (_mm_torvscb, _mm_torvsch, _mm_torvscw): Likewise.
306         (_m_to_int): New define.
307         * config/arm/arm-cores.def (iwmmxt2): Add FL_IWMMXT2.
308         * config/arm/arm-arches.def (iwmmxt2): Likewise.
309         * config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md and
310         iwmmxt2.md.
311         * config/arm/arm.md (marvell-f-iwmmxt.md): Include.
312         (arch): Add "iwmmxt2".
313         (arch_enabled): Handle "iwmmxt2".
314         (wtype): New attribute.
315         (UNSPEC_WMADDS, UNSPEC_WMADDU): Delete.
316         (UNSPEC_WALIGNI): New unspec.
317         * config/arm/predicates.md (imm_or_reg_operand): New predicate.
318         * config/arm/iterators.md (VMMX2): New mode_iterator.
319         * config/arm/marvell-f-iwmmxt.md: New file.
320         * config/arm/iwmmxt2.md: New file.
322 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
324         PR c/53532
325         PR c/51034
326         PR c/53196
327         * c-decl.c (build_compound_literal): Call c_incomplete_type_error
328         if type isn't complete.
330 2012-06-12  Uros Bizjak  <ubizjak@gmail.com>
332         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
334 2012-06-12  Richard Henderson  <rth@redhat.com>
336         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
337         iterator instead of INT.
339 2012-06-12  Bill Schmidt  <wschmidt@linux.ibm.com>
341         * opts.c: Add -fhoist-adjacent-loads to -O2 and above.
342         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward
343         declaration.
344         (hoist_adjacent_loads, gate_hoist_loads): New forward declarations.
345         (tree_ssa_phiopt): Call gate_hoist_loads.
346         (tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call.
347         (tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call
348         hoist_adjacent_loads.
349         (local_mem_dependence): New function.
350         (hoist_adjacent_loads): Likewise.
351         (gate_hoist_loads): Likewise.
352         * common.opt (fhoist-adjacent-loads): New switch.
353         * Makefile.in (tree-ssa-phiopt.o): Added dependencies.
355 2012-06-12  Michael Matz  <matz@suse.de>
357         * alias.c (nonoverlapping_component_refs_p): Take two rtx arguments.
358         (nonoverlapping_memrefs_p): Don't call it here ...
359         (true_dependence_1): ... but here.
361 2012-06-12  Richard Guenther  <rguenther@suse.de>
363         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove dead code.
364         * alias.c (ao_ref_from_mem): MEM_EXPR is conservative, MEM_OFFSET
365         and MEM_SIZE only refines it.  Reflect that and be less conservative
366         if either of the latter is not known.
368 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
370         PR rtl-optimization/53589
371         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
372         discovery even when e->dest != target.  If any LABEL_REF points
373         to e->dest label, redirect it to target's label.
375 2012-06-12  Chung-Lin Tang  <cltang@codesourcery.com>
377         * config/sh/sh.c (output_stack_adjust): Remove !epilogue_p
378         condition for generating REG_FRAME_RELATED_EXPR note.
379         (pop): Add code for generating REG_CFA_RESTORE,
380         REG_CFA_ADJUST_CFA notes. Set RTX_FRAME_RELATED_P to 1.
381         (sh_expand_epilogue): Use frame_insn() for FP to SP move.
382         Set 'frame_p' of calls to output_stack_adjust() to 'true'.
384 2012-06-11  Richard Henderson  <rth@redhat.com>
386         * config/alpha/alpha.c (HWI_HEX2): Add missing shift.
387         * vmsdbgout.c (VMS_EPOCH_OFFSET): Add LL suffix.
389         * config/alpha/alpha.c (alpha_trampoline_init): Split large constants.
391 2012-06-12  Hans-Peter Nilsson  <hp@axis.com>
393         * doc/tm.texi.in (Addressing Modes) <TARGET_LEGITIMIZE_ADDRESS>:
394         Mention that this hook needs to be defined for native TLS.
395         * doc/tm.texi: Regenerate.
397 2012-06-11  Mike Stump  <mikestump@comcast.net>
399         * emit-rtl.c (init_emit_once): Iterate through the
400         MODE_PARTIAL_INT modes with MIN_MODE_PARTIAL_INT and
401         MAX_MODE_PARTIAL_INT, as GET_MODE_WIDER_MODE doesn't step through
402         all the MIN_MODE_PARTIAL_INT modes anymore.
404 2012-06-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
406         * gcc/config/mips/mips-tables.opt (xlp): Fix merge typo.
408 2012-06-11  Roland McGrath  <mcgrathr@google.com>
410         * dwarf2out.c (const_ok_for_output_1): Detect a TLS UNSPEC using
411         SYMBOL_REF_TLS_MODEL rather than DECL_THREAD_LOCAL_P, in case it's
412         not a VAR_DECL.  Also don't limit it to UNSPECs with exactly one
413         operand.
415 2012-06-11  Oleg Endo  <olegendo@gcc.gnu.org>
417         PR target/53511
418         * config/sh/sh.md (fmasf4): New expander.
419         (*macsf3): Rename to fmasf4_i.  Adapt to fma pattern.
420         (mac_media): Rename to fmasf4_media.  Adapt to fma pattern.
421         * config/sh/sh.opt (mfused-madd): Remove.
422         * config/sh/sh.c (sh_option_override): Remove mfused-madd handling.
423         (builtin_description bdesc): Remove __builtin_sh_media_FMAC_S.
424         * config.gcc (sh[123456789lbe]*-*-* | sh-*-*): Add fused-madd.opt
425         as extra options.
426         * doc/invoke.texi (SH Options): Update mfused-madd and mno-fused-madd
427         descriptions.
429 2012-06-11  Richard Henderson  <rth@redhat.com>
431         * dwarf2cfi.c (scan_trace): Handle annulled branch-taken delay slots.
433 2012-06-11  Richard Guenther  <rguenther@suse.de>
435         PR middle-end/53470
436         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
437         replace it with the first non-BLOCK context.
439 2012-06-11  Richard Guenther  <rguenther@suse.de>
441         * alias.c (aliases_everything_p): Remove.
442         (DIFFERENT_ALIAS_SETS_P): Likewise.
443         (true_dependence_1): Use mems_in_disjoint_alias_sets_p directly.
444         Do not use aliases_everything_p or special-case ANDs.  Do not
445         special-case BLKmode moves.
446         (may_alias_p): Likewise.  Handle BLKmode similar like everywhere
447         - for SCATCH only.
449 2012-06-09  Hans-Peter Nilsson  <hp@axis.com>
451         Fix CRIS build errors with --enable-build-with-cxx.
452         * config/cris/cris.c (cris_emit_trap_for_misalignment): Rename
453         variable "and" to "andop".
454         * config/cris/sync.md ("atomic_fetch_<atomic_op_name><mode>"): Use
455         temporary variable for memory model, passing C++-type-correct
456         parameter type to expand_mem_thread_fence.
457         ("atomic_compare_and_swap<mode>"): Ditto.
459 2012-06-09  Richard Henderson  <rth@redhat.com>
461         PR c++/53602
462         * cfgcleanup.c (execute_jump): Rename from rest_of_handle_jump2.
463         (pass_jump): Rename from pass_jump2.
464         (execute_jump2, pass_jump2): New.
465         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Don't
466         perform cfg cleanup here.  Move the test of PUSH_ROUNDING
467         and ACCUMULATE_OUTGOING_ARGS test...
468         (gate_handle_stack_adjustments): ... here.
469         * passes.c (init_optimization_passes): Update for pass_jump2 rename.
470         Place new pass_jump2 after pass_stack_adjustments.
471         * tree-pass.h (pass_jump): Declare.
473 2012-06-09  Kenneth Zadeck <zadeck@naturalbridge.com>
475         * simplify-rtx.c (simplify_const_binary_operation): Fixed shift
476         count trucation.
478 2012-06-08  Richard Henderson  <rth@redhat.com>
480         PR c++/53602
481         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
482         note to a clobber insn when no other insn is available.
484 2012-06-08  Georg-Johann Lay  <avr@gjlay.de>
486         * config/avr/avr.c (avr_case_values_threshold): Return 7.
488 2012-06-07  Andreas Schwab  <schwab@linux-m68k.org>
490         * genhooks.c (main): Set progname.
491         (emit_documentation): Remove variable found_start, always bail out
492         when a place is missing.
493         * doc/tm.texi.in (C++ ABI): Add @hook TARGET_CXX_DECL_MANGLING_CONTEXT.
495 2012-06-07  Jakub Jelinek  <jakub@redhat.com>
497         PR middle-end/53580
498         * omp-low.c (scan_omp): Change first argument to gimple_seq *,
499         call walk_gimple_seq_mod instead of walk_gimple_seq.
500         (scan_sharing_clauses, scan_omp_parallel, scan_omp_task,
501         scan_omp_for, scan_omp_sections, scan_omp_single,
502         execute_lower_omp): Adjust callers.
503         (scan_omp_1_stmt): Likewise.  If check_omp_nesting_restrictions
504         returns false, replace stmt with GIMPLE_NOP.
505         (check_omp_nesting_restrictions): Instead of issuing warnings,
506         issue errors and return false if any errors were reported.
508 2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>
510         * doc/invoke.texi (fconserve-space): Remove documentation.
512 2012-06-06  Edmar Wienskoski  <edmar@freescale.com>
514         * config/rs6000/rs6000-tables.opt: Regenerated.
516 2012-06-06  Richard Guenther  <rguenther@suse.de>
518         PR tree-optimization/53081
519         * tree-data-ref.h (adjacent_store_dr_p): Rename to ...
520         (adjacent_dr_p): ... this and make it work for reads, too.
521         * tree-loop-distribution.c (enum partition_kind): Add PKIND_MEMCPY.
522         (struct partition_s): Change main_stmt to main_dr, add
523         secondary_dr member.
524         (build_size_arg_loc): Change to date data-reference and not
525         gimplify here.
526         (build_addr_arg_loc): New function split out from ...
527         (generate_memset_builtin): ... here.  Use it and simplify.
528         (generate_memcpy_builtin): New function.
529         (generate_code_for_partition): Adjust.
530         (classify_partition): Streamline pattern detection.  Detect memcpy.
531         (ldist_gen): Adjust.
532         (tree_loop_distribution): Adjust seed statements for memcpy
533         recognition.
535 2012-06-06  Matt Turner  <mattst88@gmail.com>
537         * config/arm/mmintrin.h (_mm_empty): New.
538         (_m_empty): New.
540 2012-06-06  Richard Sandiford  <r.sandiford@uk.ibm.com>
542         * doc/invoke.texi (sched-pressure-algorithm): Document new --param.
543         * common.opt (fsched-pressure-algorithm=): Remove.
544         * flag-types.h (sched_pressure_algorithm): Move to...
545         * sched-int.h (sched_pressure_algorithm): ...here.
546         * params.def (sched-pressure-algorithm): New param.
547         * haifa-sched.c (sched_init): Use it to initialize sched_pressure.
548         * common/config/s390/s390-common.c (s390_option_optimization_table):
549         Remove OPT_fsched_pressure_algorithm_ entry.
550         * config/s390/s390.c (s390_option_override): Set a default value for
551         PARAM_SCHED_PRESSURE_ALGORITHM.
553 2012-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
555         PR target/53487
556         * config/rs6000/rs6000.c (rs6000_generate_compare): If we are
557         doing an unsigned compare, make sure the second argument is not a
558         negative constant.
559         (rs6000_emit_cmove): Don't allow floating point comparisons when
560         generating ISEL moves.
562 2012-06-05  Edmar Wienskoski  <edmar@freescale.com>
564         * config/rs6000/e5500.md: New file.
565         * config/rs6000/e6500.md: New file.
566         * config/rs6000/rs6000.c (processor_costs): Add new costs for
567         e5500 and e6500.
568         (rs6000_option_override_internal): Altivec and Spe options not
569         allowed with e5500. Spe options not allowed with e6500. Increase
570         move inline limit for e5500 and e6500. Disable string instructions
571         for e5500 and e6500. Enable branch targets alignment for e5500 and
572         e6500. Initialize rs6000_cost for e5500 and e6500.
573         (rs6000_adjust_cost): Add extra scheduling cycles between compare
574         and brnach for e5500 and e6500.
575         (rs6000_issue_rate): Set issue rate for e5500 and e6500.
576         * config/rs6000/rs6000-cpus.def: Add cpu definitions for e5500 and
577         e6500.
578         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add e5500 and e6500.
579         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce5500 and
580         ppce6500.
581         Include e5500.md and e6500.md.
582         * config/rs6000/rs6000-opt.h (processor_type): Add
583         PROCESSOR_PPCE5500 and PROCESSOR_PPCE6500.
584         * config.gcc (cpu_is_64bit): Add new cores e5500, e6500.
585         (powerpc*-*-*): Add new cores e5500, e6500.
586         * doc/invoke.texi: (item -mcpu): Add e5500 and e6500 to list of cpus.
588 2012-06-05  Richard Guenther  <rguenther@suse.de>
590         * tree-vect-data-refs.c (vect_analyze_data_refs): Fix last change.
592 2012-06-05  H.J. Lu  <hongjiu.lu@intel.com>
594         PR target/53575
595         * config.gcc: Select x32 run-time library if --with-abi={x32|mx32}
596         is used for x86_64-*-*.
598 2012-06-05  Richard Guenther  <rguenther@suse.de>
600         PR tree-optimization/30442
601         * tree-vect-data-refs.c (vect_analyze_data_refs): For basic-block
602         vectorization stop analysis at the first stmt we cannot compute
603         a data-reference for instead of giving up completely.
605 2012-06-05  Richard Guenther  <rguenther@suse.de>
607         * tree-loop-distribution.c (struct partition_s): Add has_writes member.
608         (partition_alloc): Initialize it.
609         (partition_has_writes): New function.
610         (rdg_flag_uses): Adjust.
611         (rdg_flag_vertex): Likewise.
612         (rdg_flag_vertex_and_dependent): Likewise.
613         (rdg_flag_loop_exits): Likewise.
614         (build_rdg_partition_for_component): Likewise.
615         (rdg_build_partitions): Likewise.
617 2012-06-05  Richard Guenther  <rguenther@suse.de>
619         PR tree-optimization/53081
620         * tree-loop-distribution.c (generate_memset_builtin): Handle all
621         kinds of byte-sized stores.
622         (classify_partition): Likewise.
623         (tree_loop_distribution): Adjust seed statements used for
624         !flag_tree_loop_distribution.
626 2012-06-05  Alan Modra  <amodra@gmail.com>
628         * config/rs6000/rs6000.c (ptr_regno_for_savres): Comment.
629         (rs6000_emit_prologue): Ensure register used for inline saves
630         of vector regs is not the static chain register.  Revise comment.
632 2012-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
634         * doc/md.texi (Standard Pattern Names For Generation): Document
635         sincos pattern.
637 2012-06-04  H.J. Lu  <hongjiu.lu@intel.com>
639         PR bootstrap/53555
640         * config/i386/i386.c (ix86_sched_reorder) Skip debug insns.
642 2012-06-04  Jason Merrill  <jason@redhat.com>
644         * dwarf2out.c (is_unit_die): New.
645         (copy_declaration_context, copy_ancestor_tree): Use it.
646         (copy_decls_walk): Likewise.
648 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
650         PR c++/53524
651         * doc/invoke.texi (Wenum-compare): Update documentation.
653 2012-06-04  Dodji Seketeli  <dodji@redhat.com>
655         PR preprocessor/53463
656         * parser.c (cp_parser_assignment_expression): Use the location
657         for the '=' as the default location for the expression.
659 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
661         PR target/53559
662         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
663         operands.
664         (altivec_stvlxl): Ditto.
665         (altivec_stvrx): Ditto.
666         (altivec_stvrxl): Ditto.
668 2012-06-04  Vladimir Makarov  <vmakarov@redhat.com>
670         * ira-int.h (struct target_ira_int): Add member x_ira_uniform_class_p.
671         (ira_uniform_class_p): New macro.
673         * ira.c (setup_uniform_class_p): New function.
674         (setup_allocno_and_important_classes): Call the function.
675         (print_unform_and_important_classes): New function.
676         (print_classes): Rename to print_translated_classes.
677         (ira_debug_allocno_classes): Add call of
678         print_unform_and_important_classes.
680         * ira-costs.c (setup_regno_cost_classes_by_aclass): Use uniform
681         classes instead of pressure classes.
683 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
685         PR middle-end/47530
686         * trans-mem.c (expand_block_edges): Do not skip the first
687         statement when resetting the BB.
689 2012-06-04  Richard Guenther  <rguenther@suse.de>
691         * tree-data-ref.c (stores_from_loop): Remove.
692         (stmt_with_adjacent_zero_store_dr_p): Likewise.
693         (stores_zero_from_loop): Likewise.
694         * tree-data-ref.h (stores_from_loop, stores_zero_from_loop,
695         stmt_with_adjacent_zero_store_dr_p, stride_of_unit_type_p): Remove.
696         (adjacent_store_dr_p): New function.
697         * tree-loop-distribution.c (generate_memset_builtin): Pass
698         the RDG, use the already available data-reference.
699         (generate_code_for_partition): Pass down RDG.
700         (classify_partition): Inline parts of the former
701         stmt_with_adjacent_zero_store_dr_p here and use adjacent_store_dr_p.
702         (ldist_gen): Remember if there was any detected builtin and
703         do less work if not and flag_tree_loop_distribution is not set.
704         (tree_loop_distribution): Inline and fuse stores_from_loop
705         and stores_zero_from_loop here.
707 2012-06-04  Richard Guenther  <rguenther@suse.de>
709         PR middle-end/53471
710         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
711         create new assembler names.
713 2012-06-04  Richard Guenther  <rguenther@suse.de>
715         * tree-data-ref.c (struct rdg_vertex_info): Remove.
716         (rdg_vertex_for_stmt): Simplify using gimple_uid.
717         (create_rdg_vertices): Pass loop argument, remove stmt to RDG index
718         hashtable.   Record stmt data-references.
719         (hash_stmt_vertex_info): Remove.
720         (eq_stmt_vertex_info): Likewise.
721         (hash_stmt_vertex_del): Likewise.
722         (build_empty_rdg): Simplify.
723         (build_rdg): Adjust.
724         (free_rdg): Likewise.
725         (ref_base_address): Remove.
726         (have_similar_memory_accesses): Likewise.
727         * tree-data-ref.h (create_rdg_vertices): Remove.
728         (struct rdg_vertex): Add datarefs member.
729         (RDGV_DATAREFS): New define.
730         (RDG_DATAREFS): Likewise.
731         (have_similar_memory_accesses): Remove.
732         (rdg_has_similar_memory_accesses): Likewise.
733         * tree-loop-distribution.c (ref_base_address): Re-implement here.
734         (similar_memory_accesses): Re-implement using existing data-references.
735         (tree_loop_distribution): Initialize stmt uids for the stmt to
736         RDG index mapping.
737         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
738         access stmt vinfo for stmts in loop.
740 2012-06-04  Andreas Schwab  <schwab@linux-m68k.org>
742         PR target/53461
743         * config/m68k/m68k.md ("tablejump"): Fix check for
744         CASE_VECTOR_PC_RELATIVE.
746 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
748         * output.h (merge_weak, assemble_alias,
749         initializer_constant_valid_p,
750         initializer_constant_valid_for_bitfield_p): Move protos from here...
751         * tree.h: ... to here.
752         * cgraphclones.c: Do not include output.h.
753         * gimplify.c: Likewise.
754         * reload.c: Likewise.
755         * recog.c: Likewise.
756         * tree-ssa-loop-ivopts.c: Likewise.
757         * tree-switch-conversion.c: Likewise.
758         * c-parser.c: Likewise.
759         * c-typeck.c: Likewise.
760         * Makefile.in: Fix dependencies.
762 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
764         PR target/46261
765         * config/avr/avr-stdint.h: New file.
766         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
767         newlib-stdint.h
769 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
771         PR tree-optimization/53550
772         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
773         is POINTER_TYPE_P, use sizetype as step type instead of type.
775 2012-06-04  Richard Guenther  <rguenther@suse.de>
777         * tree-data-ref.c (have_similar_memory_accesses_1): Remove.
778         (ref_base_address_1): Likewise.
779         (remove_similar_memory_refs): Likewise.
780         * tree-data-ref.h (remove_similar_memory_refs): Remove.
781         * tree-loop-distribution.c (classify_partition): Do not classify
782         as builtin if -ftree-loop-distribute-patterns is not enabled.
783         (fuse_partitions_with_similar_memory_accesses): Inline ...
784         (ldist_gen): ... here.  Fuse all non-builtin partitions if
785         -ftree-loop-distribution is not enabled.  Properly return
786         the number of created partitions.  Do not update SSA form here but ...
787         (tree_loop_distribution): ... once here for the whole function.
788         Only walk innermost loops, constrain loops we consider here
789         further.  Do not call remove_similar_memory_refs.
790         (distribute_loop): Do not check number of loop nodes here.
792 2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>
794         * Makefile.in (GIMPLE_H): Do not depend on TARGET_H.
796 2012-06-03  Martin Jambor  <mjambor@suse.cz>
798         * ipa-prop.h (ipa_get_jf_known_type_offset): New function.
799         (ipa_get_jf_known_type_base_type): Likewise.
800         (ipa_get_jf_known_type_component_type): Likewise.
801         (ipa_get_jf_constant): Likewise.
802         (ipa_get_jf_pass_through_formal_id): Likewise.
803         (ipa_get_jf_pass_through_operation): Likewise.
804         (ipa_get_jf_ancestor_offset): Likewise.
805         (ipa_get_jf_ancestor_type): Likewise.
806         (ipa_get_jf_ancestor_formal_id): Likewise.
807         (ipa_get_jf_member_ptr_pfn): Likewise.
808         * ipa-prop.c (ipa_set_jf_known_type): New function.
809         (ipa_set_jf_constant): Likewise.
810         (ipa_set_jf_simple_pass_through): Likewise.
811         (ipa_set_jf_arith_pass_through): Likewise.
812         (ipa_set_ancestor_jf): Likewise.
813         (fill_member_ptr_cst_jump_function): Moved up and renamed to
814         ipa_set_jf_member_ptr_cst.
815         (detect_type_change_1): Use the new jump function creation functions.
816         (compute_complex_assign_jump_func): Likewise.
817         (compute_complex_ancestor_jump_func): Likewise.
818         (compute_known_type_jump_func): Likewise.
819         (compute_scalar_jump_functions): Likewise.
820         (compute_pass_through_member_ptrs): Likewise.
821         (determine_cst_member_ptr): Likewise.
822         (combine_known_type_and_ancestor_jfs): Likewise.
823         (try_make_edge_direct_simple_call): Likewise.
824         (try_make_edge_direct_virtual_call): Likewise.
825         (update_indirect_edges_after_inlining): Likewise.
826         * ipa-cp.c (ipa_get_jf_pass_through_result): Use jump function
827         access functions.  Incorporat NOP_EXPR and BINFO handling from its
828         callers.
829         (ipa_get_jf_ancestor_result): Likewise.  Incorporate handling BINFOs
830         which was in its callers.
831         (ipa_value_from_jfunc): Use jump function access functions.  Some
832         functionality moved to functions above.
833         (propagate_vals_accross_ancestor): Likewise.
834         (propagate_vals_accross_pass_through): Use jump function access
835         functions.
836         (propagate_accross_jump_function): Likewise.
837         * ipa-inline-analysis.c (remap_edge_change_prob): Use jump function
838         access functions.
839         (inline_merge_summary): Likewise.
841 2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
843         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
844         * config/pa/pa.c (pa_attr_length_millicode_call): Use
845         MAX_PCREL17F_OFFSET instead of fixed offset.
846         (pa_attr_length_call): Likewise.
847         (pa_attr_length_indirect_call): Likewise.
849 2012-06-03  Oleg Endo  <olegendo@gcc.gnu.org>
851         PR target/53512
852         * config/sh/sh.opt (mfsca, mfsrra): New options.
853         * config/sh/sh.md (rsqrtsf2): Use TARGET_FPU_ANY and TARGET_FSRRA
854         condition.
855         (fsca): Use TARGET_FPU_ANY and TARGET_FSCA condition.
856         (sinssf2, cossf2): Fold expanders to ...
857         (sincossf3): ... this new expander.  Use TARGET_FPU_ANY and
858         TARGET_FSCA condition.
859         * config/sh/sh.c (sh_option_override): Handle TARGET_FSRRA and
860         TARGET_FSCA.
861         * doc/invoke.texi (SH Options): Add descriptions for -mfsca,
862         -mno-fsca, -mfsrra, -mno-fsrra.
864 2012-06-03  Matt Turner  <mattst88@gmail.com>
866         * config/mips/4600.md (r4700_imul_si): New.
867         (r4700_imul_di): New.
868         (r4700_fmul_single): New.
869         (r4700_fmul_double): New.
870         * config/mips/mips-cpus.def: Add r4700.
871         * config/mips/mips.c: Likewise.
872         * config/mips/mips.md: Likewise.
873         * config/mips/mips-tables.opt: Regenerate.
875 2012-06-02  Steven Bosscher  <steven@gcc.gnu.org>
877         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Split out to
878         new function sparc_initial_elimination_offset.
879         * config/sparc/sparc.c (sparc_initial_elimination_offset): New
880         function.
881         * config/sparc/sparc-protos.h (sparc_initial_elimination_offset):
882         Prototype it.
884 2012-06-02  Kenneth Zadeck <zadeck@naturalbridge.com>
886         * expmed.c (expand_mult, choose_multiplier): Change
887         "2 * HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT".
888         * expr.c (convert_modes): Likewise.
889         * explow.c (plus_constant): Likewise.
890         * fixed-value.c (fixed_saturate1, fixed_saturate2)
891         (do_fixed_add, do_fixed_multiply, do_fixed_multiply)
892         (do_fixed_multiply, do_fixed_multiply, do_fixed_divide)
893         (do_fixed_divide, do_fixed_divide, do_fixed_divide)
894         (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift)
895         (do_fixed_shift, fixed_convert, fixed_convert)
896         (fixed_convert_from_int, fixed_convert_from_int)
897         (fixed_convert_from_real): Likewise.
898         * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p)
899         (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise.
900         * varasm.c (output_constructor_bitfield): Likewise.
901         * tree-vrp.c (register_edge_assert_for_2): Likewise.
902         * double-int.c (rshift_double, lshift_double): Likewise.
903         * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int):
904         Likewise.
905         * simplify-rtx.c (mode_signbit_p)
906         (simplify_const_unary_operation, simplify_binary_operation_1)
907         (simplify_immed_subreg): Likewise.
908         * builtins.c (c_readstr, fold_builtin_bitop): Likewise.
909         * tree-vect-generic.c (build_replicated_const): Likewise.
910         * dbxout.c (stabstr_O): Likewise.
911         * emit-rtl.c (immed_double_int_const, immed_double_const)
912         (gen_lowpart_common, init_emit_once): Likewise.
913         * tree.c (integer_pow2p, tree_log2, tree_floor_log2)
914         (widest_int_cst_value, upper_bound_in_type): Likewise.
915         * stor-layout.c (initialize_sizetypes, fixup_signed_type)
916         (fixup_unsigned_type): Likewise.
917         * real.c (real_to_integer2, real_from_integer): Likewise.
918         * dwarf2out.c (size_of_loc_descr, size_of_die, output_die)
919         (clz_loc_descriptor, mem_loc_descriptor): Likewise.
921 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
923         PR middle-end/53501
924         * fold-const.c (fold_binary_loc): Refine previous change.
926 2012-06-01  Olivier Hainque  <hainque@adacore.com>
928         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Restore
929         the "do {" part of the do-while(0) loop.
931 2012-06-01  Yuri Rumyantsev  <yuri.s.rumyantsev@intel.com>
933         * config/i386/i386.c (x86_sched_reorder): New function.
934         Added new function x86_sched_reorder.
936 2012-06-01  Richard Guenther  <rguenther@suse.de>
938         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
939         Handle PHIs.
940         (classify_partition): Likewise.
942 2012-06-01  Richard Guenther  <rguenther@suse.de>
944         * tree-loop-distribution.c (enum partition_kind): New enum.
945         (struct partition_s): Add kind and main_stmt members.
946         (partition_alloc): Initialize kind to PKIND_NORMAL.
947         (partition_builtin_p): New function.
948         (copy_loop_before): Remove failure path and assert instead.
949         (generate_loops_for_partition): Likewise.
950         (generate_memset_zero): Fold into ...
951         (generate_memset_builtin): ... this.
952         (classify_partition): New function with code from
953         can_generate_builtin and generate_builtin.
954         (generate_builtin): Remove.
955         (can_generate_builtin): Likewise.
956         (fuse_partitions_with_similar_memory_accesses): Call
957         partition_builtin_p instead of can_generate_builtin.
958         (rdg_build_partitions): Do not call
959         fuse_partitions_with_similar_memory_accesses here...
960         (ldist_gen): ... but here after classifying all partitions.
961         Remove failure path of generate_code_for_partition.
962         (generate_code_for_partition): Generate code according
963         to partition classification.
965 2012-06-01  Manuel López-Ibáñez  <manu@gcc.gnu.org>
966             Jonathan Wakely  <jwakely.gcc@gmail.com>
968         PR c++/50134
969         * doc/invoke.texi (Warning Options): Explain purpose and differences
970         between -Wmissing-prototypes and -Wmissing-declarations.
972 2012-06-01  Christian Bruel  <christian.bruel@st.com>
974         * gcc.c (save_switch): Add user_p parameter.
975         (read_specs): Likewise.
976         (set_specs): Likewise.
977         (validate_switches): Likewise.
978         (validate_switches_from_spec): Likewise.
979         (validate_all_switches): Pass on user_p parameter.
980         (struct spec_list): Add user_p field.
981         (struct switchstr): Add known field.
982         (save_switch): Add known parameter.
983         (INIT_STATIC_SPEC): Initialize user_p;
984         (driver_unknown_option_callbac): call save_switch if
985         OPT_SPECIAL_unknown.
986         (driver_handle_option): Propagate OPT_specs.
987         (do_spec_1): Set validated only if known.
988         (check_live_switch): Likewise.
989         (validate_switches): Set validated if known or user_spec.
991 2012-06-01  Hans-Peter Nilsson  <hp@axis.com>
993         Add CRIS atomic patterns for 1, 2, and 4 bytes.
994         * config/cris/cris.c (cris_emit_trap_for_misalignment): New function.
995         * config/cris/cris-protos.h: Declare it.
996         * config/cris/cris.h [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 32]
997         (TARGET_DEFAULT): Add alignment by 32.
998         [!TARGET_DEFAULT, TARGET_CPU_DEFAULT == 10] (TARGET_DEFAULT): New
999         case, as TARGET_CPU_DEFAULT == 0 but with alignment as for
1000         TARGET_CPU_DEFAULT == 32.
1001         (TARGET_TRAP_UNALIGNED_ATOMIC): New macro.
1002         * config/cris/cris.md: Include sync.md.  Avoid allocating specific
1003         numbers by replacing the define_constants for all UNSPECs with the
1004         equivalent define_c_enum construct.
1005         * config/cris/cris.opt (mtrap-unaligned-atomic): New option.
1006         * config/cris/sync.md: New file.
1008 2012-05-31  Matt Turner  <mattst88@gmail.com>
1010         * config/mips/4600.md (r4600_imul_si): Rename from r4600_imul.
1011         (r4600_imul_di): New.
1012         (r4600_idiv_si): Rename from r4600_idiv.
1013         (r4600_idiv_di): New.
1015 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
1017         * output.h (__gcc_host_wide_int__): Move to hwint.h.
1018         (decl_default_tls_model): Move to tree.h
1019         (dump_file): Move to system.h.
1020         (default_stabs_asm_out_destructor, default_stabs_asm_out_constructor,
1021         dbxout_int, dbxout_stabd, dbxout_begin_stabn, dbxout_begin_stabn_sline,
1022         dbxout_begin_empty_stabs, dbxout_begin_simple_stabs,
1023         dbxout_begin_simple_stabs_desc, dbxout_stab_value_zero,
1024         dbxout_stab_value_zero, dbxout_stab_value_label_diff,
1025         dbxout_stab_value_internal_label,
1026         dbxout_stab_value_internal_label_diff): Move from here ...
1027         * dbxout.h: ... to here.
1028         * system.h (dump_file): Moved here from output.h.
1029         * hwint.h (__gcc_host_wide_int__): Moved here from output.h.
1030         * tree.h (decl_default_tls_model): Moved here from output.h.
1031         * varasm.c (default_stabs_asm_out_destructor,
1032         default_stabs_asm_out_constructor): Move from here ...
1033         * dbxout.c: ... to here.
1035         * gcov-dump.c (dump_file): Rename to dump_gcov_file.  Update callers.
1037         * collect2.h (dump_file): Rename to dump_ld_file.
1038         * collect2.c: Likewise.
1039         * tlink.c: Likewise.
1041         * alias.c: Do not include output.h.
1042         * auto-inc-dec.c: Likewise.
1043         * bt-load.c: Likewise.
1044         * caller-save.c: Likewise.
1045         * cfg.c: Likewise.
1046         * cfgbuild.c: Likewise.
1047         * cfgcleanup.c: Likewise.
1048         * cfglayout.c: Likewise.
1049         * cfgloop.c: Likewise.
1050         * cfgloopanal.c: Likewise.
1051         * cfgloopmanip.c: Likewise.
1052         * cfgrtl.c: Likewise.
1053         * cgraph.c: Likewise.
1054         * cgraphclones.c: Likewise.
1055         * combine-stack-adj.c: Likewise.
1056         * combine.c: Likewise.
1057         * cprop.c: Likewise.
1058         * cse.c: Likewise.
1059         * cselib.c: Likewise.
1060         * dbgcnt.c: Likewise.
1061         * df-problems.c: Likewise.
1062         * df-scan.c: Likewise.
1063         * dojump.c: Likewise.
1064         * fwprop.c: Likewise.
1065         * gcse.c: Likewise.
1066         * graph.c: Likewise.
1067         * haifa-sched.c: Likewise.
1068         * hw-doloop.c: Likewise.
1069         * ipa-inline-transform.c: Likewise.
1070         * ipa-pure-const.c: Likewise.
1071         * ipa-reference.c: Likewise.
1072         * ipa-utils.c: Likewise.
1073         * ira-build.c: Likewise.
1074         * ira-emit.c: Likewise.
1075         * lcm.c: Likewise.
1076         * loop-doloop.c: Likewise.
1077         * loop-invariant.c: Likewise.
1078         * loop-iv.c: Likewise.
1079         * loop-unroll.c: Likewise.
1080         * loop-unswitch.c: Likewise.
1081         * lto-cgraph.c: Likewise.
1082         * lto-section-in.c: Likewise.
1083         * lto-streamer-in.c: Likewise.
1084         * mcf.c: Likewise.
1085         * mode-switching.c: Likewise.
1086         * postreload-gcse.c: Likewise.
1087         * postreload.c: Likewise.
1088         * predict.c: Likewise.
1089         * profile.c: Likewise.
1090         * ree.c: Likewise.
1091         * reg-stack.c: Likewise.
1092         * regcprop.c: Likewise.
1093         * regmove.c: Likewise.
1094         * regstat.c: Likewise.
1095         * reload1.c: Likewise.
1096         * sched-ebb.c: Likewise.
1097         * sel-sched-dump.c: Likewise.
1098         * simplify-rtx.c: Likewise.
1099         * stor-layout.c: Likewise.
1100         * store-motion.c: Likewise.
1101         * tracer.c: Likewise.
1102         * tree-affine.c: Likewise.
1103         * tree-cfg.c: Likewise.
1104         * tree-cfgcleanup.c: Likewise.
1105         * tree-dfa.c: Likewise.
1106         * tree-into-ssa.c: Likewise.
1107         * tree-nomudflap.c: Likewise.
1108         * tree-optimize.c: Likewise.
1109         * tree-pretty-print.c: Likewise.
1110         * tree-profile.c: Likewise.
1111         * tree-ssa-address.c: Likewise.
1112         * tree-ssa-ccp.c: Likewise.
1113         * tree-ssa-copy.c: Likewise.
1114         * tree-ssa-dom.c: Likewise.
1115         * tree-ssa-loop-ch.c: Likewise.
1116         * tree-ssa-loop-im.c: Likewise.
1117         * tree-ssa-loop-manip.c: Likewise.
1118         * tree-ssa-loop-niter.c: Likewise.
1119         * tree-ssa-loop-prefetch.c: Likewise.
1120         * tree-ssa-loop-unswitch.c: Likewise.
1121         * tree-ssa-loop.c: Likewise.
1122         * tree-ssa-propagate.c: Likewise.
1123         * tree-ssa-structalias.c: Likewise.
1124         * tree-ssa-tail-merge.c: Likewise.
1125         * tree-ssa-threadedge.c: Likewise.
1126         * tree-ssa-threadupdate.c: Likewise.
1127         * tree-ssa-uncprop.c: Likewise.
1128         * tree-ssa-uninit.c: Likewise.
1129         * tree-ssa.c: Likewise.
1130         * value-prof.c: Likewise.
1131         * var-tracking.c: Likewise.
1132         * web.c: Likewise.
1134         * config/m32r/m32r.c: Include dbxout.h.
1135         * config/pa/pa.c: Likewise.
1136         * config/rs6000/rs6000.c: Likewise.
1138         * Makefile.in: Fix dependencies.
1139         * config/rs6000/t-rs5000: Likewise.
1141 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1143         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1144         * gimple.h (block_in_transaction): Check for flag_tm.
1146 2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1148         PR tree-optimization/52558
1149         * cfg.c (alloc_aux_for_edge): Fix comment.
1150         (alloc_aux_for_edge): Remove static.
1151         * basic-block.h (alloc_aux_for_edge): Protoize.
1152         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1153         (execute_sm_if_changed_flag): New.
1154         (execute_sm_if_changed_flag_set): New.
1155         (execute_sm): Do not generate data races unless requested.
1156         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1157         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1158         * gimple.h (block_in_transaction): New.
1159         (gimple_in_transaction): Use block_in_transaction.
1161 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1163         PR target/51345
1164         * config/avr/avr.opt (-msp8): Document it.
1165         * doc/invoke.texi (AVR Options): Ditto.  And document related
1166         built-in macros.
1168 2012-05-31   Diego Novillo  <dnovillo@google.com>
1170         * configure.ac (CXX_FOR_BUILD): Define and substitute.
1171         (BUILD_CXXFLAGS): Define and substitute.
1172         * Makefile.in (BUILD_CXXFLAGS): Define.
1173         (CXX_FOR_BUILD): Define.
1174         (COMPILER_FOR_BUILD): Set to CXX_FOR_BUILD if building with C++.
1175         (LINKER_FOR_BUILD): Likewise.
1176         (BUILD_COMPILERFLAGS): Set to BUILD_CXXFLAGS if building with C++.
1177         (BUILD_LINKERFLAGS): Likewise.
1178         * configure: Regenerate.
1180 2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>
1182         * Makefile.in: Fix many dependencies.
1183         * tree-profile.c: Don't include regs.h.
1184         * tree-vectorizer.c: Don't include cfglayout.h.
1185         * tree-vect-stmts.c: Likewise.
1186         * tree-vect-slp.c: Likewise.
1187         * tree-vect-loop.c: Likewise.
1188         * reg-stack.c: Likewise.
1189         * tree-ssa-loop-manip.c: Likewise.
1190         * toplev.c: Likewise.
1191         * varasm.c: Don't include cfglayout.h, basic-block.h,
1192         and tree-iterator.h.
1193         * tree-cfgcleanup.c: Don't include cfglayout.h.
1194         * passes.c: Don't include cfglayout.h, dwarf2asm.h,
1195         dwarf2out.h, dbxout.h, sdbout.h, and xcoffout.h.
1196         * cgraphclones.c: Don't include plugin.h.
1198 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1200         * config/avr/t-avr: Correct avr-mmcu.texi dependencies.
1201         (s-avr-mmcu-texi): Don't sed on gen-avr-mmcu-texi output.
1202         * doc/avr-mmcu.texi (svn:eol-style): Set to native.
1204 2012-05-31  Richard Guenther  <rguenther@suse.de>
1206         * tree-loop-distribution.c (struct partition_s): New struct,
1207         typedef and vector type.
1208         (partition_alloc, partition_free): New functions.
1209         (generate_loops_for_partition, generate_builtin,
1210         generate_code_for_partition, rdg_flag_uses, rdg_flag_vertex,
1211         rdg_flag_vertex_and_dependent, rdg_flag_loop_exits,
1212         build_rdg_partition_for_component, can_generate_builtin,
1213         similar_memory_accesses, fuse_partitions_with_similar_memory_accesses,
1214         rdg_build_partitions, dump_rdg_partitions, debug_rdg_partitions,
1215         number_of_rw_in_partition, partition_contains_all_rw,
1216         ldist_gen): Use partition_t instead of bitmap.
1218 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1220         * config/avr/gen-avr-mmcu-texi.c: Sort MCUs.
1221         * doc/avr-mmcu.texi: Regenerate.
1223 2012-05-31  Richard Guenther  <rguenther@suse.de>
1225         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1226         Use FOR_EACH_SSA_DEF_OPERAND.
1227         (generate_builtin): Adjust.
1228         (stmt_generated_in_another_partition): Remove.
1229         (add_scalar_computations_to_partition): Likewise.
1230         (rdg_build_partitions): Do not call
1231         add_scalar_computations_to_partition.
1233 2012-05-31  Eric Botcazou  <ebotcazou@adacore.com>
1235         * tree-dfa.c (get_ref_base_and_extent): Compute the offset using
1236         double ints throughout.
1237         * tree-sra.c (build_user_friendly_ref_for_offset) <RECORD_TYPE>:
1238         Check that the position of the field is representable as an integer.
1240 2012-05-31  Richard Guenther  <rguenther@suse.de>
1242         * tree-data-ref.c (dr_analyze_innermost): Properly convert
1243         the MEM_REF offset to sizetype.
1245 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1247         * doc/invoke.texi (AVR Options): Fix typos.
1249 2012-05-31  Hans-Peter Nilsson  <hp@axis.com>
1251         * config/cris/cris.h (CC1_SPEC): Pass through all -march=
1252         and -mcpu= options.
1253         (ASM_SPEC): Ditto, not just -march=v32, but translate non-v10,
1254         non-v32 into --march=v0_v10.
1256 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
1258         * ira-int.h (target_ira_int): Rename x_move_cost to
1259         x_ira_register_move_cost, x_may_move_in_cost to
1260         x_ira_may_move_in_cost and x_may_move_out_cost to
1261         x_ira_may_move_out_cost.  Delete the old fields with
1262         those names and also x_ira_max_register_move_cost,
1263         x_ira_max_may_move_in_cost and x_ira_max_may_move_out_cost.
1264         (move_cost, may_move_in_cost, may_move_out_cost)
1265         (ira_max_register_move_cost, ira_max_may_move_in_cost)
1266         (ira_max_may_move_out_cost): Delete.
1267         * ira.c (init_move_cost): Rename to...
1268         (ira_init_register_move_cost): ...this, deleting the old
1269         function with that name.  Apply above variable renamings.
1270         Retain asserts for null fields.
1271         (ira_init_once): Don't initialize register move costs here.
1272         (free_register_move_costs): Apply above variable renamings.
1273         Remove code for deleted fields.
1275 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
1277         * ira.c (init_move_cost): Adjust choice of subclasses to match
1278         the current ira_init_register_move_cost choice.  Use
1279         ira_class_subset_p instead of reg_class_subset_p.
1280         (ira_init_register_move_cost): Assert that move_cost,
1281         may_move_in_cost and may_move_out_cost already hold the desired
1282         values for their ira_* equivalents.  For the latter two,
1283         ignore classes that can't store a register of the given mode.
1285 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
1287         * ira.c (setup_allocno_and_important_classes): Use
1288         ira_class_hard_regs_num to check whether a class has any
1289         allocatable registers.
1290         (ira_init_register_move_cost): Likewise.
1292 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
1294         * ira.c (init_move_cost): Adjust local variable names to match
1295         file conventions.  Use ira_assert instead of gcc_assert.
1297 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
1299         * regs.h (move_table, move_cost, may_move_in_cost, may_move_out_cost):
1300         Move these definitions and associated target_globals fields to...
1301         * ira-int.h: ...here.
1302         * rtl.h (init_move_cost): Delete.
1303         * reginfo.c (last_mode_for_init_move_cost, init_move_cost): Move to...
1304         * ira.c: ...here, making the latter static.
1306 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
1308         * ira-costs.c (copy_cost): Use ira_init_register_move_cost_if_necessary
1309         and ira_register_move_cost instead of init_move_cost and move_cost.
1311 2012-05-31  Richard Sandiford  <rdsandiford@googlemail.com>
1313         * ira.h (target_ira): Delete x_ira_available_class_regs.
1314         (ira_available_class_regs): Delete.
1315         * ira.c (setup_available_class_regs): Delete.
1316         (setup_alloc_classes): Don't call it.
1317         (setup_pressure_classes): Use ira_class_hard_regs_num instead of
1318         ira_available_class_regs.
1319         * haifa-sched.c (print_curr_reg_pressure, setup_insn_reg_pressure_info)
1320         (model_spill_cost): Likewise.
1321         * ira-build.c (low_pressure_loop_node_p): Likewise.
1322         * ira-color.c (color_pass): Likewise.
1323         * ira-emit.c (change_loop): Likewise.
1324         * ira-lives.c (inc_register_pressure, dec_register_pressure)
1325         (single_reg_class, ira_implicitly_set_insn_hard_regs)
1326         (process_bb_node_lives): Likewise.
1327         * loop-invariant.c (gain_for_invariant): Likewise.
1329 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1331         PR target/52999
1332         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1333         (pa_section_type_flags): New.
1334         (pa_legitimate_constant_p): Revert previous change.
1336 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
1338         * ira.c (allocate_initial_values): Make static.
1340 2012-05-30  Uros Bizjak  <ubizjak@gmail.com>
1342         * config/i386/i386.c (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>:
1343         Generate tls_initial_exec_64_sun only when !TARGET_X32.
1345 2012-05-30  Richard Guenther  <rguenther@suse.de>
1347         PR middle-end/53501
1348         * fold-const.c (fold_binary_loc): Make sure to call
1349         fold_plusminus_mult_expr with the original sign of operands.
1351 2012-05-30  Steven Bosscher  <steven@gcc.gnu.org>
1353         * Makefile.in: Fix many dependencies.
1354         (DWARF2_H): Depend on dwarf2.def.
1355         (RTL_ERROR_H): Depend on rtl-error.h.
1356         (TREE_PRETTY_PRINT_H, GIMPLE_PRETTY_PRINT_H): New.  Replace
1357         all gimple-pretty-print.h and tree-pretty-print.h references.
1359 2012-05-30  Marc Glisse  <marc.glisse@inria.fr>
1361         * simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
1362         concatenations.
1364 2012-05-30  Richard Guenther  <rguenther@suse.de>
1366         PR middle-end/53522
1367         * tree-emutls.c (gen_emutls_addr): Do not add globals to
1368         referenced-vars.
1370 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1372         * explow.c (probe_stack_range): Restore simple control flow and stop
1373         again when the probe cannot be generated if HAVE_check_stack.
1375 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1377         PR rtl-optimization/53519
1378         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1379         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1381 2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1383         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
1385 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
1387         PR debug/53453
1388         * doc/tm.texi: Update.
1389         * doc/tm.texi.in (SDB and DWARF) <TARGET_FORCE_AT_COMP_DIR>: Add @hook.
1390         * target.def (force_at_comp_dir): New hook.
1391         * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define.
1392         * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir.
1394 2012-05-29  Jack Howarth  <howarth@bromo.med.uc.edu>
1396         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
1397         Darwin >= 10.
1398         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
1399         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
1401 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
1403         PR target/51340
1404         * config/sh/sh.c (sh_option_override): Set TARGET_FMAC if
1405         flag_unsafe_math_optimizations is set.
1406         * doc/invoke.texi (SH Options): Add -mno-fused-madd description.
1407         Update description of -mfused-madd.
1409 2012-05-29  Oleg Endo  <olegendo@gcc.gnu.org>
1411         PR target/52941
1412         * config/sh/predicates.md (atomic_arith_operand,
1413         atomic_logical_operand): New predicates.
1414         * config/sh/sh.c (sh_option_override): Check atomic options.
1415         * config/sh/sh.h (TARGET_ANY_ATOMIC, UNSUPPORTED_ATOMIC_OPTIONS,
1416         UNSUPPORTED_HARD_ATOMIC_CPU): New macros.
1417         (DRIVER_SELF_SPECS): Use UNSUPPORTED_ATOMIC_OPTIONS and
1418         UNSUPPORTED_HARD_ATOMIC_CPU.
1419         * config/sh/sync.md: Update description comments.
1420         (I12): New mode iterator.
1421         (fetchop_predicate, fetchop_constraint): New code attributes.
1422         (atomic_compare_and_swapsi_hard, atomic_compare_and_swap<mode>_hard,
1423         atomic_exchangesi_hard, atomic_exchange<mode>_hard,
1424         atomic_fetch_<fetchop_name>si_hard,
1425         atomic_fetch_<fetchop_name><mode>_hard,
1426         atomic_fetch_nandsi_hard, atomic_fetch_nand<mode>_hard,
1427         atomic_<fetchop_name>_fetchsi_hard,
1428         atomic_<fetchop_name>_fetch<mode>_hard,
1429         atomic_nand_fetchsi_hard, atomic_nand_fetch<mode>_hard,
1430         atomic_test_and_set_hard): New insns.
1431         (atomic_compare_and_swap<mode>_soft, atomic_exchange<mode>_soft,
1432         atomic_fetch_<fetchop_name><mode>_soft, atomic_fetch_nand<mode>_soft,
1433         atomic_<fetchop_name>_fetch<mode>_soft, atomic_nand_fetch<mode>_soft,
1434         atomic_test_and_set_soft): Use same formatting for the first line of
1435         the asm block as in new insns above.
1436         (atomic_compare_and_swap<mode>, atomic_exchange<mode>,
1437         atomic_fetch_<fetchop_name><mode>, atomic_<fetchop_name>_fetch<mode>,
1438         atomic_test_and_set): Integrate new *_hard insns into expanders.
1439         * config/sh/sh.opt (mhard-atomic): New option.
1440         * doc/invoke.texi (SH Options): Document it.
1442 2012-05-29  Meador Inge  <meadori@codesourcery.com>
1444         * c-decl.c (c_push_function_context): Always create a new language
1445         function.
1446         (c_pop_function_context): Clear the language function created in
1447         c_push_function_context.
1449 2012-05-29  Matt Turner  <mattst88@gmail.com>
1451         * config/alpha/ev6.md: (define_bypass "ev6_fmul,ev6_fadd"): New.
1452         (define_bypass "ev6_fcmov"): New.
1454 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
1456         * integrate.c: Remove.
1457         * integrate.h: Remove.
1458         * Makefile.in: Remove make rules for integrate.c and INTEGRATE_H.
1459         * config/arm/t-arm: Remove INTEGRATE_H dependency for target files.
1460         * config/rs6000/t-rs6000: Likewise
1461         * config/spu/t-spu-elf: Likewise.
1462         * function.h (get_hard_reg_initial_val, has_hard_reg_initial_val,
1463         get_hard_reg_initial_reg, emit_initial_value_sets): Move prototypes
1464         from integrate.h to here.
1465         (initial_value_entry): New prototype.
1466         * reload.h (allocate_initial_values): Remove prototype.
1467         * tree.h (set_decl_abstract_flags, set_decl_origin_self): Likewise.
1468         * cse.c (fixed_base_plus_p): Don't handle virtual registers for
1469         integrate.c.
1470         * dwarf2out.c (set_decl_origin_self, set_block_origin_self,
1471         set_decl_abstract_flags, set_block_abstract_flags): Move from
1472         integrate.c to here, the only user.
1473         * expmed.c (extract_fixed_bit_field): Remove outdated comment
1474         about integrate.c.
1475         * function.c: Don't include integrate.h.
1476         (struct initial_value_pair, struct initial_value_struct,
1477         get_hard_reg_initial_val, has_hard_reg_initial_val,
1478         get_hard_reg_initial_reg, emit_initial_value_sets): Move from
1479         integrate.c to here.
1480         (initial_value_entry): New function.
1481         * genemit.c (main): Don't print integrate.h include line.
1482         * ira.c: Don't include integrate.h.
1483         (allocate_initial_values): Move from integrate.c to here.
1484         (ira): Update allocate_initial_values call.
1485         * tree-inline.c: Don't include integrate.h.
1486         (function_attribute_inlinable_p): Moved from integrate.c to here.
1487         * cfgexpand.c: Don't include integrate.h.
1488         * except.c: Likewise.
1489         * langhooks.c: Likewise.
1490         * passes.c: Likewise.
1491         * toplev.c: Likewise.
1492         * config/frv/frv.c: Likewise.
1493         * config/pa/pa.c: Likewise.
1494         * config/spu/spu.c: Likewise.
1495         * config/epiphany/epiphany.c: Likewise.
1496         * config/mep/mep.c: Likewise.
1497         * config/score/score.c: Likewise.
1498         * config/picochip/picochip.c: Likewise.
1499         * config/sh/sh.c: Likewise.
1500         * config/alpha/alpha.c: Likewise.
1501         * config/microblaze/microblaze.c: Likewise.
1502         * config/mips/mips.c: Likewise.
1503         * config/v850/v850.c: Likewise.
1504         * config/mmix/mmix.c: Likewise.
1505         * config/bfin/bfin.c: Likewise.
1506         * config/arm/arm.c: Likewise.
1507         * config/s390/s390.c: Likewise.
1508         * config/m32r/m32r.c: Likewise.
1509         * config/rs6000/rs6000.c: Likewise.
1510         * config/c6x/c6x.c: Include function.h instead of integrate.h.
1511         * config/tilegx/tilegx.c: Likewise.
1512         * config/tilepro/tilepro.c: Likewise.
1514 2012-05-29  Georg-Johann Lay  <avr@gjlay.de>
1516         * config/avr/t-avr (s-avr-mmcu-texi): Call
1517         gen-avr-mmcu-texi$(build_exeext) via ./ and don't assume . is in PATH.
1519 2012-05-29  Michael Matz  <matz@suse.de>
1521         * rtl.h (assign_stack_temp, assign_stack_temp_for_type,
1522         assign_temp): Remove 'keep' argument.
1523         (mark_temp_addr_taken): Remove prototype.
1524         * tree.h (expand_decl): Remove prototype.
1525         * function.c (struct temp_slot): Remove addr_taken and keep member.
1526         (assign_stack_temp_for_type) Don't initialize above, remove
1527         keep argument.
1528         (assign_stack_temp, assign_temp): Remove keep argument.
1529         (mark_temp_addr_taken): Remove.
1530         (preserve_temp_slots): Remove handling of addr_taken and keep members.
1531         (free_temp_slots): Ditto.
1532         * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove
1533         dead code.
1534         * stmt.c (expand_asm_operands): Remove dead code.
1535         (expand_decl): Remove.
1536         * c-decl.c (finish_struct): Don't call expand_decl.
1537         * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp
1538         and assign_stack_temp.
1539         * calls.c (save_fixed_argument_area, initialize_argument_information,
1540         expand_call, emit_library_call_value_1, store_one_arg): Ditto.
1541         * expmed.c (extract_bit_field_1): Ditto.
1542         * expr.c (emit_group_load_1, emit_group_store,
1543         copy_blkmode_from_reg, emit_push_insn, expand_assignment,
1544         store_field, expand_constructor, expand_cond_expr_using_cmove,
1545         expand_expr_real_2, expand_expr_real_1): Ditto.
1546         * stmt.c (expand_asm_operands, expand_return): Ditto.
1548         * function.c (pop_temp_slots): Call free_temp_slots.
1549         * calls.c (store_one_arg): Don't call preserve_temp_slots or
1550         free_temp_slots.
1551         * expr.c (expand_assignment): Don't call free_temp_slots.
1553         * config/arm/arm.c (neon_expand_vector_init): Ditto.
1554         * config/i386/i386.c (ix86_expand_vector_set): Ditto.
1555         (ix86_expand_vector_extract): Ditto.
1556         * config/ia64/ia64.c (spill_xfmode_rfmode_operand,
1557         ia64_expand_movxf_movrf): Ditto.
1558         * config/mips/mips.c (mips_expand_vi_general): Ditto.
1559         * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2,
1560         extendsfdf2): Ditto.
1561         * config/rs6000/rs6000.c (rs6000_expand_vector_init,
1562         rs6000_expand_vector_set, rs6000_expand_vector_extract,
1563         rs6000_allocate_stack_temp): Ditto.
1564         * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto.
1565         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
1566         sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp,
1567         sparc_expand_vector_init): Ditto.
1569 2012-05-29  Michael Matz  <matz@suse.de>
1571         * c-tree.h (c_expand_decl): Remove prototype.
1573         * expr.c (expand_expr_real_1 <normal_inner_ref>): Don't allocate
1574         a kept temp.
1575         (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Make unreachable.
1576         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
1577         COMPOUND_LITERAL_EXPR.
1578         * function.c (expand_function_start): Don't call expand_decl,
1579         instead assert that we have RTL assigned.
1580         * tree-ssa-live.c (remove_unused_locals): Clear
1581         nonlocal_goto_save_area if its backing variable is removed.
1582         * stmt.c (expand_asm_operands): Remove handling of non-lvalues
1583         as mem inputs.
1584         (expand_decl): Assert that this does nothing.
1585         * calls.c (expand_call): Don't call mark_temp_addr_taken.
1587 2012-05-29  Richard Guenther  <rguenther@suse.de>
1589         PR tree-optimization/53516
1590         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1591         bitfield accesses.
1592         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1594 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
1596         * LANGUAGES: Fix typos.
1597         * Makefile.in: Fix typos.
1598         * alias.c: Fix typos.
1599         * auto-inc-dec.c: Fix typos.
1600         * bb-reorder.c: Fix typos.
1601         * cfgcleanup.c: Fix typos.
1602         * cgraph.c: Fix typos.
1603         * cgraph.h: Fix typos.
1604         * cgraphunit.c: Fix typos.
1605         * collect2-aix.h: Fix typos.
1606         * collect2.c: Fix typos.
1607         * compare-elim.c: Fix typos.
1608         * config/alpha/vms.h: Fix typos.
1609         * config/arm/README-interworking: Fix typos.
1610         * config/arm/arm.c: Fix typos.
1611         * config/arm/iterators.md: Fix typos.
1612         * config/arm/vxworks.h: Fix typos.
1613         * config/avr/avr.c: Fix typos.
1614         * config/avr/avr.h: Fix typos.
1615         * config/avr/avr.md: Fix typos.
1616         * config/avr/builtins.def: Fix typos.
1617         * config/c6x/c6x.c: Fix typos.
1618         * config/cr16/cr16.c: Fix typos.
1619         * config/cr16/cr16.md: Fix typos.
1620         * config/cris/cris.md: Fix typos.
1621         * config/darwin.c: Fix typos.
1622         * config/darwin.opt: Fix typos.
1623         * config/i386/i386-c.c: Fix typos.
1624         * config/i386/i386.c: Fix typos.
1625         * config/ia64/ia64.c: Fix typos.
1626         * config/m68k/cf.md: Fix typos.
1627         * config/mep/mep.c: Fix typos.
1628         * config/microblaze/microblaze.c: Fix typos.
1629         * config/microblaze/microblaze.h: Fix typos.
1630         * config/mn10300/mn10300.c: Fix typos.
1631         * config/mn10300/mn10300.md: Fix typos.
1632         * config/pa/pa.c: Fix typos.
1633         * config/picochip/picochip.h: Fix typos.
1634         * config/rs6000/a2.md: Fix typos.
1635         * config/rs6000/rs6000.c: Fix typos.
1636         * config/rs6000/vector.md: Fix typos.
1637         * config/rx/rx.md: Fix typos.
1638         * config/rx/rx.opt: Fix typos.
1639         * config/s390/2097.md: Fix typos.
1640         * config/s390/s390.c: Fix typos.
1641         * config/s390/s390.h: Fix typos.
1642         * config/sh/sh.c: Fix typos.
1643         * config/sh/sh.md: Fix typos.
1644         * config/sparc/sync.md: Fix typos.
1645         * config/spu/spu.c: Fix typos.
1646         * config/spu/spu.md: Fix typos.
1647         * config/vms/vms.c: Fix typos.
1648         * config/vxworks-dummy.h: Fix typos.
1649         * config/vxworks.h: Fix typos.
1650         * cselib.c: Fix typos.
1651         * df-scan.c: Fix typos.
1652         * df.h: Fix typos.
1653         * doc/extend.texi: Fix typos.
1654         * doc/install.texi: Fix typos.
1655         * doc/invoke.texi: Fix typos.
1656         * doc/md.texi: Fix typos.
1657         * doc/plugins.texi: Fix typos.
1658         * doc/rtl.texi: Fix typos.
1659         * dse.c: Fix typos.
1660         * dwarf2asm.c: Fix typos.
1661         * dwarf2out.c: Fix typos.
1662         * except.h: Fix typos.
1663         * expr.c: Fix typos.
1664         * fold-const.c: Fix typos.
1665         * gcc.c: Fix typos.
1666         * gcse.c: Fix typos.
1667         * genautomata.c: Fix typos.
1668         * gengtype-state.c: Fix typos.
1669         * gengtype.c: Fix typos.
1670         * genhooks.c: Fix typos.
1671         * gimple-fold.c: Fix typos.
1672         * gimple-pretty-print.c: Fix typos.
1673         * gimple.c: Fix typos.
1674         * gimple.h: Fix typos.
1675         * gimplify.c: Fix typos.
1676         * graphite-interchange.c: Fix typos.
1677         * graphite-sese-to-poly.c: Fix typos.
1678         * ifcvt.c: Fix typos.
1679         * input.c: Fix typos.
1680         * ipa-cp.c: Fix typos.
1681         * ipa-inline-analysis.c: Fix typos.
1682         * ipa-inline-transform.c: Fix typos.
1683         * ipa-inline.c: Fix typos.
1684         * ipa-pure-const.c: Fix typos.
1685         * ipa-ref.h: Fix typos.
1686         * ipa-reference.c: Fix typos.
1687         * ipa-utils.c: Fix typos.
1688         * ipa.c: Fix typos.
1689         * ira-emit.c: Fix typos.
1690         * ira-lives.c: Fix typos.
1691         * lto-streamer.c: Fix typos.
1692         * lto-streamer.h: Fix typos.
1693         * lto-wrapper.c: Fix typos.
1694         * mcf.c: Fix typos.
1695         * mode-switching.c: Fix typos.
1696         * modulo-sched.c: Fix typos.
1697         * plugin.c: Fix typos.
1698         * postreload.c: Fix typos.
1699         * sched-deps.c: Fix typos.
1700         * sel-sched-ir.c: Fix typos.
1701         * sel-sched-ir.h: Fix typos.
1702         * sel-sched.c: Fix typos.
1703         * sese.c: Fix typos.
1704         * stor-layout.c: Fix typos.
1705         * target-hooks-macros.h: Fix typos.
1706         * target.def: Fix typos.
1707         * trans-mem.c: Fix typos.
1708         * tree-eh.c: Fix typos.
1709         * tree-predcom.c: Fix typos.
1710         * tree-sra.c: Fix typos.
1711         * tree-ssa-address.c: Fix typos.
1712         * tree-ssa-loop-ivopts.c: Fix typos.
1713         * tree-ssa-loop-niter.c: Fix typos.
1714         * tree-ssa-math-opts.c: Fix typos.
1715         * tree-ssa-pre.c: Fix typos.
1716         * tree-ssa-propagate.c: Fix typos.
1717         * tree-ssa-reassoc.c: Fix typos.
1718         * tree-ssa-sccvn.c: Fix typos.
1719         * tree-ssa-ter.c: Fix typos.
1720         * tree-ssa-uninit.c: Fix typos.
1721         * tree-ssanames.c: Fix typos.
1722         * tree-vect-generic.c: Fix typos.
1723         * tree-vect-slp.c: Fix typos.
1724         * tree.c: Fix typos.
1725         * tree.h: Fix typos.
1726         * varasm.c: Fix typos.
1727         * varpool.c: Fix typos.
1729 2012-05-29  Joseph Myers  <joseph@codesourcery.com>
1731         * doc/include/texinfo.tex: Update to version 2012-05-16.16.
1733 2012-05-29  Richard Guenther  <rguenther@suse.de>
1735         * tree-dfa.c (find_vars_r): Do not call add_referenced_vars
1736         for globals.
1737         (add_referenced_var_1): Re-organize.  Assert we are not
1738         called for globals.
1739         (remove_referenced_var): Likewise.
1740         * varpool.c (add_new_static_var): Use create_tmp_var_raw.
1741         * tree-mudflap.c (execute_mudflap_function_ops): Do not
1742         call add_referenced_var on globals.
1743         * matrix-reorg.c (transform_access_sites): Likewise.
1745 2012-05-29  Steven Bosscher  <steven@gcc.gnu.org>
1747         * alias.c (reg_known_value): Make this a VEC.
1748         (reg_known_equiv_p): Make this an sbitmap.
1749         (reg_known_value_size): Remove.
1750         (get_reg_known_value, set_reg_known_value, get_reg_known_equiv_p,
1751         set_reg_known_equiv_p): Update for reg_known_value and
1752         reg_known_value_size data structure change.
1753         (init_alias_analysis, end_alias_analysis): Likewise.
1755 2012-05-29  Jakub Jelinek  <jakub@redhat.com>
1757         PR middle-end/53510
1758         * input.c (read_line): Use XRESIZEVEC instead of XNEWVEC
1759         to avoid leaking memory.  No need to handle memory allocation
1760         failure.  Double string_len on each reallocation instead of adding 2.
1761         * gcov.c (read_line): Likewise.
1763 2012-05-29  Hans-Peter Nilsson  <hp@axis.com>
1765         * config/cris/cris.h (TARGET_HAS_BREAK, TARGET_TRAP_USING_BREAK8):
1766         New macros.
1767         * config/cris/cris.md ("trap"): Define, enabled for
1768         TARGET_TRAP_USING_BREAK8.
1769         * config/cris/cris.opt (mtrap-using-break8): New option.
1771 2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>
1773         PR c++/25137
1774         * doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
1775         for C++.
1777 2012-05-28  Hans-Peter Nilsson  <hp@axis.com>
1779         * doc/md.texi (stack_protect_test): Remove negation of branch to label.
1780         (Standard Names): Fix typos in documentation of atomic patterns.
1782 2012-05-27  Nathan Sidwell  <nathan@acm.org>
1784         * tree.c (build_constructor): Propagate TREE_SIDE_EFFECTS.
1786 2012-05-26  Jason Merrill  <jason@redhat.com>
1788         PR c++/53220
1789         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1790         about array compound literals.
1792 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1794         * cfgcleanup.c (try_optimize_cfg): Do not delete forwarder blocks
1795         if CLEANUP_NO_INSN_DEL.
1796         * cfgrtl.c (unique_locus_on_edge_between_p): New function extracted
1797         from cfg_layout_merge_blocks.
1798         (emit_nop_for_unique_locus_between): New function.
1799         (rtl_merge_blocks): Invoke emit_nop_for_unique_locus_between.
1800         (cfg_layout_merge_blocks): Likewise.
1802 2012-05-26  Dimitrios Apostolou  <jimis@gmx.net>
1803             Paolo Bonzini  <bonzini@gnu.org>
1805         * df-scan.c (df_def_record_1): Assert a parallel must contain an
1806         EXPR_LIST at this point.  Receive the LOC and move its extraction...
1807         (df_defs_record): ... here. Change if-else to a switch statement.
1808         (df_find_hard_reg_defs, df_find_hard_reg_defs_1): New.
1809         (df_get_call_refs): Changed defs_generated from bitmap to HARD_REG_SET
1810         and compute it from df_find_hard_reg_defs(). Record DF_REF_BASE
1811         DEFs in REGNO order. Use HARD_REG_SET instead of bitmap for
1812         regs_invalidated_by_call.
1813         (df_insn_refs_collect): Record DF_REF_REGULAR DEFs after
1814         df_get_call_refs().
1816 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1818         PR lto/52178
1819         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1820         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1822 2012-05-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
1824         * config/rs6000/t-linux64: Delete the 32-bit multilib that uses
1825         software floating point emulation.  No longer build the multilibs
1826         with -mstrict-align.
1828 2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1830         PR middle-end/53008
1831         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1832         accessed indirectly.
1833         (ipa_tm_create_version): Same.
1835 2012-05-25  Uros Bizjak  <ubizjak@gmail.com>
1837         PR target/53474
1838         * config/i386/i386.c (ix86_print_operand) <case 'O'>: Print '.' here.
1839         <case 'C', case 'c', case 'F', case 'f'>: Print '.' only for C and c.
1841 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1843         PR target/53435
1844         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1845         (ix86_expand_vec_perm): Use int mode instead of float.
1846         (expand_vec_perm_pshufb): Remove handling of useseless type
1847         conversion.
1849 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1851         PR ada/52362
1852         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1853         gnu_ld variables to yes.
1854         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1855         (HAVE_GNU_AS): Likewise.
1856         * config.in: Regenerate.
1857         * configure: Likewise.
1859 2012-05-25  Tristan Gingold  <gingold@adacore.com>
1861         * config/i386/i386.c (struct ix86_frame): Remove unused frame field.
1862         (ix86_compute_frame_layout): Fix type of stack_alignment_needed
1863         and preferred_alignment.
1865 2012-05-25  Tristan Gingold  <gingold@adacore.com>
1867         * common/config/ia64/ia64-common.c (ia64_except_unwind_info): Fix typo.
1869 2012-05-25  Thomas Schwinge  <thomas@codesourcery.com>
1871         * fold-const.c (optimize_bit_field_compare): Abort early in the strict
1872         volatile bitfields case.
1874 2012-05-24  Pat Haugen  <pthaugen@us.ibm.com>
1876         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
1877         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
1878         (adjacent_mem_locations): Move some code to and call...
1879         (get_memref_parts): ...new function.
1880         (mem_locations_overlap): New function.
1881         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
1882         (is_mem_ref): Rename to...
1883         (find_mem_ref): ...this. Return MEM rtx.
1884         (get_store_dest): Remove function.
1885         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
1886         new parameter and adjust calls.
1887         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
1888         mem refs overlap for true_store_to_load_dep_costly.
1889         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
1890         passed to adjacent_mem_locations.
1891         (is_costly_group): Walk resolved dependency list.
1892         (force_new_group): Emit group ending nop for Power6/Power7.
1893         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
1894         (group_ending_nop): New define_insn.
1896 2012-05-24  Dodji Seketeli  <dodji@redhat.com>
1898         Make unwound macro expansion trace less redundant
1899         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Don't print
1900         context of macro definition in the trace, when it's redundant.
1901         Update comments.
1903 2012-05-24  Richard Guenther  <rguenther@suse.de>
1905         PR middle-end/53460
1906         * tree-profile.c (tree_profiling): Cleanup the CFG if
1907         execute_fixup_cfg requests it.
1909 2012-05-24  Richard Guenther  <rguenther@suse.de>
1911         * tree-flow.h (create_var_ann): Remove.
1912         * tree-dfa.c (create_var_ann): Remove and inline into its
1913         single caller ...
1914         (add_referenced_var_1): ... here.
1915         * varpool.c (add_new_static_var): Do not call add_referenced_var
1916         for global vars.
1917         * gimple-fold.c (canonicalize_constructor_val): Likewise.
1918         * tree-switch-conversion.c (build_one_array): Likewise.
1919         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
1920         * tree-flow-inline.h (gimple_referenced_vars): Guard against
1921         NULL fn argument.
1922         * tree-inline.c (remap_gimple_op_r): Likewise.  Check
1923         gimple_referenced_vars instead of gimple_in_ssa_p.
1924         (copy_tree_body_r): Likewise.
1925         (setup_one_parameter): Likewise.
1926         (declare_return_variable): Likewise.
1927         (tree_function_versioning): Likewise.
1929 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1931         PR tree-optimization/53465
1932         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1933         vr0 into *vr, then vrp_meet that.
1934         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1935         have any equivalences.
1936         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1937         first time.
1939 2012-05-24  Jim MacArthur  <jim.macarthur@arm.com>
1941         * recog.c (reg_fits_class_p): Check both regno and regno + offset are
1942         hard registers.
1943         * regs.h (in_hard_reg_set_p): Assert that regno is a hard register and
1944         check end_regno - 1 is a hard register.
1946 2012-05-24  Richard Guenther  <rguenther@suse.de>
1948         * varpool.c (add_new_static_var): Remove call to create_var_ann.
1949         * tree-ssa-operands.c (create_vop_var): Likewise.
1951 2012-05-24  Richard Guenther  <rguenther@suse.de>
1953         PR bootstrap/53466
1954         * tree-ssa-live.c (remove_unused_scope_block_p): Properly
1955         handle globals.
1956         (remove_unused_locals): Pass global_unused_vars to
1957         remove_unused_scope_block_p.  Restore code walking all
1958         referenced vars and pruning them.
1960 2012-05-23  Jan Hubicka  <jh@suse.cz>
1962         * tree.h (alias_diag_flags): Remove.
1963         (alias_pair): Remove emitted_diags.
1964         (finish_aliases_1, finish_aliases_2, remove_unreachable_alias_pairs,
1965         symbol_alias_set_t, symbol_alias_set_destroy,
1966         symbol_alias_set_contains, propagate_aliases_backward): Remove.
1967         * toplev.c (compile_file): Do not call finish_aliases_2
1968         * cgraphunit.c (cgraph_process_new_functions): Do not call
1969         finish_aliases_1.
1970         (handle_alias_pairs): Output diagnostics about aliases to externals.
1971         (assemble_thunks_and_aliases): Use do_assemble_alias.
1972         (output_weakrefs): Likewise.
1973         (finalize_compilation_unit): Do not call finish_aliases_1.
1974         * ipa.c (symtab_remove_unreachable_nodes): De not call
1975         remove_unreachable_alias_pairs.
1976         * varasm.c (do_assemble_alias): Export.
1977         (symbol_alias_set_create, symbol_alias_set_destroy,
1978         symbol_alias_set_contains, symbol_alias_set_insert,
1979         propagate_aliases_forward, propagate_aliases_backward,
1980         propagate_aliases_backward, trivially_visible_alias,
1981         trivially_defined_alias, remove_unreachable_alias_pairs,
1982         finish_aliases_1, finish_aliases_2, assemble_alias): Remove.
1983         * output.h (do_assemble_alias): Declare.
1984         * varpool.c (varpool_remove_unreferenced_decls): Do not call
1985         finish_aliases_1.
1987 2012-05-23  Martin Jambor  <mjambor@suse.cz>
1989         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1991 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1993         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1994         size handling.
1995         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1996         (iterative_hash_gimple_type): Adjust comment.
1997         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1998         domain for an array type instead of the domain type itself.
2000 2012-05-23  Richard Guenther  <rguenther@suse.de>
2002         PR tree-optimization/53438
2003         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
2005 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
2007         PR target/53448
2008         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
2009         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
2010         ASM_OUTPUT_ALIGN.
2012 2012-05-23  Richard Guenther  <rguenther@suse.de>
2014         * tree-dfa.c (add_referenced_var_1): Do not add global vars.
2015         * tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
2016         via the global_unused_vars bitmap.
2017         (remove_unused_locals): Handle global vars in local-decls via
2018         a global_unused_vars bitmap instead of the used flag in the
2019         var annotation.  Simplify global variable handling and removal.
2021 2012-05-22  Jan Hubicka  <jh@suse.cz>
2023         PR middle-end/53426
2024         * tree-ssa-structalias.c (create_variable_info_for): Skip constructors
2025         from other partitions.
2027 2012-05-22  Jan Hubicka  <jh@suse.cz>
2029         PR middle-end/53161
2030         * symtab.c (symtab_register_node): Fix ordering issue.
2032 2012-05-22  Steven Drake <sbd@NetBSD.org>
2034         * gcc.c (do_spec_1): Add %M spec token to output multilib_os_dir.
2036 2012-05-22  David Edelsohn  <dje.gcc@gmail.com>
2038         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
2039         Use strip_name_encoding target hook.
2041 2012-05-22  Richard Guenther  <rguenther@suse.de>
2043         * tree.h (VAR_DECL_IS_VIRTUAL_OPERAND): New.
2044         (init_function_for_compilation): Remove.
2045         * tree-dfa.c (find_vars_r): Take struct function argument.
2046         (find_referenced_vars_in): Adjust.
2047         * tree-ssa-operands.c (clobber_stats): Remove.
2048         (create_vop_var): Take struct function argument.  Mark
2049         virtual operand with VAR_DECL_IS_VIRTUAL_OPERAND.
2050         (init_ssa_operands): Take struct function argument.
2051         (fini_ssa_operands): Do not dump dead stats.
2052         * tree-ssa-operands.h (init_ssa_operands): Take struct function
2053         argument.
2054         * cgraphunit.c (init_lowered_empty_function): Adjust.
2055         * lto-streamer-in.c (input_cfg): Likewise.
2056         * tree-inline.c (initialize_cfun): Likewise.
2057         * tree-into-ssa.c (rewrite_into_ssa): Likewise.
2058         * omp-low.c (expand_omp_taskreg): Likewise.  Avoid switching cfun.
2059         * gimple.c (is_gimple_reg): Optimize the SSA_NAME case,
2060         virtual operands are not registers.
2062 2012-05-22  Richard Guenther  <rguenther@suse.de>
2064         * tree-cfg.c (verify_gimple_assign_unary): Fix typo in previous commit.
2066 2012-05-22  Richard Guenther  <rguenther@suse.de>
2068         PR middle-end/53437
2069         * tree-inline.c (setup_one_parameter): Create a dummy init
2070         statement for unused parameters when not optimizing.
2072 2012-05-22  Richard Guenther  <rguenther@suse.de>
2074         * tree-flow.h (add_referenced_var_1): Declare.
2075         (add_referenced_var): Define.
2076         * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup.
2077         (add_referenced_var): Rename to ...
2078         (add_referenced_var_1): ... this.  Take struct function argument.
2080 2012-05-22  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2082         PR target/53334
2083         * config/arm/arm-protos.h (arm_validize_comparison): Declare.
2084         * config/arm/arm.c (arm_validize_comparison): Define.
2085         * config/arm/arm.md ("cbranchsi4"): Cleanup expansion and use
2086         arm_validize_comparison.
2087         ("cbranchdi4"): Likewise.
2088         ("cstoredi4"): Likewise.
2089         ("movsicc"): Likewise.
2090         ("movsfcc"): Likewise.
2091         ("movdfcc"): Likewise.
2093 2012-05-22  Dimitrios Apostolou  <jimis@gmx.net>
2095         * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
2096         the mw_reg_pool size.
2098 2012-05-22  Paolo Bonzini  <bonzini@gnu.org>
2100         PR tree-optimization/53336
2101         * tree-cfg.c (verify_gimple_assign_unary): Allow conversion from
2102         non-integer integral types to offset type and vice versa.
2104 2012-05-22  Alan Modra  <amodra@gmail.com>
2106         * config/rs6000/aix.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
2107         * config/rs6000/darwin.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Delete.
2108         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE,
2109         V_SAVE_INLINE): Delete.
2110         * config/rs6000/rs6000.c (V_SAVE_INLINE): Delete.
2111         (rs6000_savres_strategy): Reimplement GP/FP/V_SAVE_INLINE logic.
2112         For ELF targets, use out-of-line restores for -Os and any number
2113         of regs if the restore exits, and out-of-line gp save for two or
2114         more regs.  Use save_reg_p to test for holes in reg restore set.
2115         Replace "#if" with "if".
2117 2012-05-22  Alan Modra  <amodra@gmail.com>
2119         * config/rs6000/rs6000.c (save_reg_p): New function.
2120         (first_reg_to_save, first_fp_reg_to_save): Use it here.
2121         (first_altivec_reg_to_save, restore_saved_cr): Likewise.
2122         (emit_frame_save): Use gen_frame_store.
2123         (gen_frame_mem_offset): Correct SPE condition requiring reg+reg.
2124         (rs6000_emit_prologue): Use save_reg_p.  Use gen_frame_store for
2125         vrsave and toc.
2126         (rs6000_emit_epilogue): Use save_reg_p.  Use gen_frame_load for
2127         vrsave, toc, gp and fp restores.
2129 2012-05-22  Alan Modra  <amodra@gmail.com>
2131         * config/rs6000/rs6000.c: Delete unnecessary forward declarations.
2132         Move those with ATTRIBUTE_UNUSED to immediately before definitions.
2133         Move function pointer variables after forward declarations.
2134         (rs6000_builtin_support_vector_misalignment): Make static.
2135         (rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
2136         (rs6000_function_value, rs6000_can_eliminate): Likewise.
2138 2012-05-21  Bernd Schmidt  <bernds@codesourcery.com>
2140         PR rtl-optimization/53373
2141         * caller-save.c (save_call_clobbered_regs): Look into a possible
2142         PARALLEL manually rather than using single_set on a call insn.
2144 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
2146         PR tree-optimization/53436
2147         * omp-low.c (omp_build_component_ref): New function.
2148         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
2150 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
2152         * config/i386/i386.c (put_condition_code): Change "reverse" and "fp"
2153         arguments to bool.
2154         (ix86_print_operand) <case 'O'>: Look at mode size of the operand.
2155         Do not print '.' here.  Output operand lossage error for unhandled
2156         sizes.  Move.
2157         <case '*'>: Move.
2158         <case '&'>: Ditto.
2159         <case 'Y'>: Ditto.
2160         <case 'z'>: Hardcode "code" argument into error strings.
2161         <case 'Z'>: Ditto.
2162         <case 'D'>: Merge AVX and non-AVX codes.
2163         <case 'C', case 'c', case 'F', case 'f'>: Merge.  Fix error string.
2164         Update call to put_condition_code.
2166 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
2168         * config/m68k/m68k.md (*clzsi2_cf): Renamed from clzsi2.  Call
2169         CC_STATUS_INIT.
2170         (clzsi2): New expander.
2171         (*clzsi2_68k): New insn.
2172         * config/m68k/m68k.h: Update comment about CLZ_DEFINED_VALUE_AT_ZERO.
2174 2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
2176         * gimple.h (gimple_set_in_transaction): Remove.
2177         (gimple_in_transaction): Look in BB instead.
2178         (gimple_statement_base): Remove in_transaction field.
2179         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
2180         * trans-mem.c (compute_transaction_bits): Place transaction bit
2181         information into basic blocks.
2183 2012-05-21  Andreas Schwab  <schwab@linux-m68k.org>
2185         * expr.c (get_def_for_expr_class): Define only if
2186         HAVE_conditional_move.
2187         (convert_tree_comp_to_rtx): Likewise.
2189 2012-05-21  Uros Bizjak  <ubizjak@gmail.com>
2191         PR target/53399
2192         * config/i386/i386.md (ffs<mode>2): Generate CCCmode compare
2193         for TARGET_BMI.
2194         (ffssi2_no_cmove): Ditto.
2195         (*ffs<mode>_1): Remove insn pattern.
2196         (*tzcnt<mode>_1): New insn pattern.
2197         (*bsf<mode>1): Ditto.
2199 2012-05-21  Richard Guenther  <rguenther@suse.de>
2201         * tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
2202         more referenced vars.
2203         * tree-ssa-live.c (mark_all_vars_used_1): Only set the used
2204         flag on variables that have a var-annotation.
2206 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
2208         PR c/53418
2209         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
2210         from folded operands before wrapping another around the
2211         conditional expression.
2213 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
2215         PR tree-optimization/53366
2216         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
2217         tests if complex_numbers == 2, but there are non-complex number loads
2218         too.
2220         PR tree-optimization/53409
2221         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
2222         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
2224         PR tree-optimization/53410
2225         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
2226         instead of build_int_cst (type, 0) where vector types might be
2227         involved. Instead of build_int_cst (type, 1) convert the original
2228         integer_onep argument to the desired type.
2230 2012-05-21  Michael Matz  <matz@suse.de>
2232         * genattrtab.c (attr_rtx_cost): Move earlier, start with cost being 1.
2233         (simplify_test_exp): Handle one more case of distributive law,
2234         decrease cost threshold.
2235         (tests_attr_p, get_attr_order): New functions.
2236         (optimize_attrs): Use topological order, inline only cheap values.
2237         (write_attr_set): Reset our_known_true after some time.
2239 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2241         PR target/53425
2242         * config/i386/i386.c (type_natural_mode): Warn passing SSE
2243         vector argument without SSE enabled changes the ABI.
2245 2012-05-21  Richard Guenther  <rguenther@suse.de>
2247         PR tree-optimization/53408
2248         * tree-vect-loop.c (vectorizable_induction): Properly check
2249         the restriction that we cannot handle induction results from
2250         the inner loop outside of the outer loop.
2252 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2254         PR target/53416
2255         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
2256         (UNSPECV_RDRAND): This.
2257         (rdrand<mode>_1): Updated.
2259 2012-05-21  Richard Guenther  <rguenther@suse.de>
2261         * tree-loop-distribution.c (can_generate_builtin): Reject
2262         volatile stmts.
2264 2012-05-21  Chung-Lin Tang  <cltang@codesourcery.com>
2266         * Makefile.in (options.c): Add options.h to included header
2267         files, before tm.h.
2269 2012-05-21  Razya Ladelsky  <razya@il.ibm.com>
2271         * tree-parloops.c : Add myself to contributors, update
2272         TODO list, add link to wiki.
2274 2012-05-21  Alan Modra  <amodra@gmail.com>
2276         * config/rs6000/predicates.md (input_operand): Don't match
2277         constant pool addresses.  Remove label_ref, high and plus from
2278         match_code list.  Remove redundant CONSTANT_P test.
2279         (splat_input_operand): Similarly update match_code list.
2280         (small_toc_ref): New predicate.
2281         * config/rs6000/rs6000-protos.h (toc_relative_expr_p): Update prototype.
2282         * config/rs6000/rs6000.c (tocrel_base, tocrel_offset): Make const.
2283         (legitimate_constant_pool_address_p): Move TARGET_TOC test and
2284         register checks to..
2285         (toc_relative_expr_p): ..here.  Add "strict" param.  Match new rtl
2286         generated by create_TOC_reference.
2287         (rs6000_legitimize_address): Update cerate_TOC_reference call.
2288         (rs6000_delegitimize_address): Handle new rtl for toc refs.
2289         (rs6000_cannot_force_const_mem, rs6000_find_base_term): Likewise.
2290         (use_toc_relative_ref): New function, split out from..
2291         (rs6000_emit_move): ..here.  Remove redundant tests.  Update
2292         create_TOC_reference calls.
2293         (rs6000_legitimize_reload_address): Formatting.  Handle splitting
2294         of medium/large model toc addresses.  Use use_toc_relative_ref.
2295         (print_operand): Formatting, style.  Adjust for toc changes.
2296         (print_operand_address): Likewise.
2297         (rs6000_output_addr_const_extra): Likewise.
2298         (create_TOC_reference): Put TOC_REGISTER in UNSPEC_TOCREL rather
2299         than a PLUS.  Use this formulation for both high and low part
2300         of -mcmodel=medium/large toc reference too.  Before reload,
2301         always use the small model formulation.
2302         * config/rs6000/rs6000.md (tls_gd, tls_gd_high): Similarly avoid
2303         a PLUS in high part of addresses here.
2304         (tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
2305         (tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.
2306         (largetoc_high, largetoc_low): Move earlier.  Cope when no
2307         base reg available.
2308         (largetoc_high_plus): New insn.
2309         (movsi_internal1, movsi_internal1_single, movsf_softfloat,
2310         movdi_mfpgpr, movdi_internal64): Don't handle 'R' constraint here..
2311         (tocref): ..instead do so here, new insn and split.
2313 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
2315         * config/i386/driver-i386.c (host_detect_local_cpu): Support
2316         RDRND, F16C and FSGSBASE.
2318 2012-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2320         PR rtl-optimzation/53373
2321         * config/pa/pa.md (call_symref_pic): Don't expose PIC register save in
2322         call pattern.  Update split patterns.
2323         (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
2324         call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
2326 2012-05-20  Razya Ladelsky  <razya@il.ibm.com>
2328         * tree-parloops.c (gen_parallel_loop): Change many_iterations_cond
2329         for outer loops.
2331 2012-05-18  Jan Hubicka  <jh@suse.cz>
2333         * cgraphunit.c (handle_alias_pairs): Declare; free alias_pairs
2334         (cgraph_process_new_functions): Process also aliases.
2335         * lto-streamer-out.c (struct sets): Remove.
2336         (trivally_defined_alias): Remove.
2337         (output_alias_pair_p): Remove.
2338         (output_unreferenced_globals): Remove.
2339         (produce_symtab); Do not handle alias pairs.
2340         (produce_asm_for_decls): Likewise.
2341         * lto-streamer-in.c (input_alias_pairs): Remove.
2342         (lto_read_body): Do not input alias pairs.
2343         (lto_input_constructors_and_inits): Remove.
2345 2012-05-18  Jan Hubicka  <jh@suse.cz>
2347         * cgraphunit.c (handle_alias_pairs): Cleanup; handle all types of
2348         aliases.
2350 2012-05-18  Jan Hubicka  <jh@suse.cz>
2352         * cgraphbuild.c (record_reference): Update.
2353         * lto-cgraph.c (lto_output_varpool_node): External vars
2354         are not in other partition even if they are not output
2355         in current partition.
2356         * gimple-fold.c (can_refer_decl_in_current_unit_p): Take FROM_DECL
2357         argument; fix.
2358         (canonicalize_constructor_val): Take FROM_DECL argument.
2359         (fold_ctor_reference, fold_string_cst_ctor_reference,
2360         fold_array_ctor_reference, fold_nonarray_ctor_reference,
2361         fold_ctor_reference): Likewise.
2362         (fold_const_aggregate_ref_1, gimple_get_virt_method_for_binfo): Update.
2363         * gimple.h (gimple_fold_builtin): Likewise.
2365 2012-05-18  Olivier Hainque  <hainque@adacore.com>
2367         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
2368         $(libsubdir) as libexecsubdir.
2370 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2372         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
2373         relied on signed overflow behavior.
2375 2012-05-18  Richard Guenther  <rguenther@suse.de>
2377         PR tree-optimization/53346
2378         * tree-loop-distribution.c (ldist_gen): Make sure to apply
2379         builtin transform even when only a single partition with
2380         all reads/writes exists.
2382 2012-05-18  Richard Guenther  <rguenther@suse.de>
2384         PR tree-optimization/53390
2385         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Ignore
2386         strided loads.
2388 2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2390         * tree-ssa-reassoc.c (bip_map): Remove decl.
2391         (completely_remove_stmt): Remove function.
2392         (remove_def_if_absorbed_call): Remove function.
2393         (remove_visited_stmt_chain): Remove __builtin_powi handling.
2394         (possibly_move_powi): Remove function.
2395         (rewrite_expr_tree): Remove calls to possibly_move_powi.
2396         (rewrite_expr_tree_parallel): Likewise.
2397         (attempt_builtin_powi): Build multiplies explicitly rather than
2398         relying on the ops vector and rank system.
2399         (transform_stmt_to_copy): New function.
2400         (transform_stmt_to_multiply): Likewise.
2401         (reassociate_bb): Handle leftover operations after __builtin_powi
2402         optimization; build a final multiply if necessary.
2404 2012-05-18  Jan Hubicka  <jh@suse.cz>
2406         * cgraphunit.c (varpool_finalize_decl): Allow external decls.
2407         (mark_functions_to_output): Fix sanity check.
2408         * ipa.c (function_and_variable_visibility): Remove TREE_STATIC check.
2410 2012-05-18  Richard Guenther  <rguenther@suse.de>
2412         * tree-flow.h (mark_symbols_for_renaming): Remove.
2413         * tree-dfa.c (mark_symbols_for_renaming): Likewise.
2414         * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming.
2415         (copy_debug_stmt): Likewise.
2416         (expand_call_inline): Likewise.
2417         (declare_return_variable): Mark the return variable for renaming
2418         if necessary.
2420 2012-05-18  Andrew Stubbs  <ams@codesourcery.com>
2422         * config/arm/arm-protos.h (arm_emit_coreregs_64bit_shift): New
2423         prototype.
2424         * config/arm/arm.c (arm_emit_coreregs_64bit_shift): New function.
2425         * config/arm/arm.md (ashldi3): Use arm_emit_coreregs_64bit_shift.
2426         (ashrdi3,lshrdi3): Likewise.
2427         (arm_cond_branch): Remove '*' to enable gen_arm_cond_branch.
2429 2012-05-18  Meador Inge  <meadori@codesourcery.com>
2431         PR rtl-optimization/53352
2432         * cse.c (equiv_constant): Ignore paradoxical subregs.
2434 2012-05-17  Steven Bosscher  <steven@gcc.gnu.org>
2436         PR rtl-optimization/53125
2437         * regstat.c (regstat_bb_compute_ri): Take new local_live_last_luid
2438         argument.  Simplify calculation of REG_LIVE_LENGTH for regnos that
2439         die in the basic block.  Correctly top off REG_FREQ and
2440         REG_FREQ_CALLS_CROSSED.
2441         Remove do_not_gen.
2442         (regstat_compute_ri): Allocate and free local_live_last_luid.
2443         Remove do_not_gen.
2444         (regstat_bb_compute_calls_crossed): Correctly top off
2445         REG_FREQ_CALLS_CROSSED.
2447 2012-05-17  Jan Hubicka  <jh@suse.cz>
2449         * lto-symtab.c (lto_symtab_resolve_symbols): Preffer decl with
2450         constructor over decl without.
2451         * cgraph.c (cgraph_remove_node): Clear also body of unanalyzed nodes.
2452         * cgraph.h (varpool_can_remove_if_no_refs): Handle external correctly.
2453         * cgraphunit.c (process_function_and_variable_attributes): Finalize
2454         extrnal decls.
2455         (mark_functions_to_output): Also accept bodies for functions with
2456         clones.
2457         (output_in_order): Skip external vars.
2458         * lto-cgraph.c (lto_output_node): External functions are never in other
2459         partition.
2460         (lto_output_varpool_node): Likewise.
2461         * lto-streamer-out.c (lto_write_tree): Always use error_mark_nodes for
2462         forgotten initializers.
2463         * ipa.c (process_references): Handle external vars.
2464         (symtab_remove_unreachable_nodes): Update to handle external vars.
2465         (varpool_externally_visible_p): External vars are externally visible.
2466         * gimple-fold.c (can_refer_decl_in_current_unit_p): Update.
2467         * varpool.c (varpool_remove_node): Remove constructor.
2468         (decide_is_variable_needed): Handle externals.
2469         (varpool_remove_unreferenced_decls): Likewise.
2471 2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2473         * opts.c (common_handle_option): -pedantic-errors enables -Wpedantic.
2474         (enable_warning_as_error): Do not special case Wuninitialized.
2475         * optc-gen.awk: Add sanity checks.
2477 2012-05-17  Jan Hubicka   <jh@suse.cz>
2479         * ipa-reference.c (is_proper_for_analysis): Do not check flags
2480         that might change as result of global optimization.
2481         (analyze_function): Do not check analyzed and externally_visible
2482         flags; be happy about address dereferences.
2483         (propagate): Prune all_module_statics so it really contains just
2484         statics; prune all the local summaries.
2485         (ipa_reference_write_optimization_summary): Simplify.
2487 2012-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
2489         * config/m68k/m68k-devices.def: Add 51ag, 51je, 51jf, 51jg, 51mm, 51qm.
2490         * config/m68k/m68k-tables.opt: Regenerated.
2491         * doc/invoke.texi (M680x0 Options): Document.
2493 2012-05-16  Dave Boutcher  <daveboutcher@gmail.com>
2494             Patrick Marlier  <patrick.marlier@gmail.com>
2496         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
2497         indirect calls.
2499 2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>
2501         * configure: Regenerated.
2503 2012-05-16  Andrew Pinski  <apinski@cavium.com>
2505         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
2506         GIMPLE_ASSIGN.
2508 2012-05-16  David S. Miller  <davem@davemloft.net>
2510         * jump.c (delete_related_insns): If we remove a CALL, make sure
2511         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
2513 2012-05-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2515         PR tree-optimization/53217
2516         * tree-ssa-reassoc.c (bip_map): New static variable.
2517         (possibly_move_powi): Move feeding multiplies with __builtin_powi call.
2518         (attempt_builtin_powi): Save feeding multiplies on a stack.
2519         (reassociate_bb): Create and destroy bip_map.
2521 2012-05-16  Olivier Hainque  <hainque@adacore.com>
2523         * Makefile.in (install-no-fixedincludes): New target, former toplevel
2524         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
2525         Add comments and improve stamp preservation across the whole sequence.
2526         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
2528 2012-05-16  Richard Guenther  <rguenther@suse.de>
2530         * tree-inline.c (insert_init_stmt): Do not call
2531         mark_symbols_for_renaming.
2532         (setup_one_parameter): Avoid initializing unused parameters.
2533         (declare_return_variable): Properly handle DECL_BY_REFERENCE
2534         return vars in SSA form.
2536 2012-05-16  Richard Guenther  <rguenther@suse.de>
2538         * tree-flow.h (get_virtual_var): Remove.
2539         * tree-dfa.c (get_virtual_var): Likewise.
2541 2012-05-16  Richard Guenther  <rguenther@suse.de>
2543         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1):
2544         Remove set-only bitmap of new names.
2545         (slpeel_tree_peel_loop_to_edge): Likewise.  Do not set
2546         CFG hooks.
2547         * tree-flow.h (ssa_names_to_replace): Remove.
2548         * tree-into-ssa.c (ssa_names_to_replace): Likewise.
2550 2012-05-16  Richard Guenther  <rguenther@suse.de>
2552         PR tree-optimization/53364
2553         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
2554         detect a view-conversion of the decl.
2556 2012-05-16  Dodji Seketeli  <dodji@redhat.com>
2558         PR preprocessor/7263
2559         * c-tree.h (enum c_declspec_word): Declare new enum.
2560         (struct c_declspecs::locations): New member.
2561         (declspecs_add_qual, declspecs_add_scspec)
2562         (declspecs_add_addrspace, declspecs_add_alignas): Take a new
2563         location parameter.
2564         * c-decl.c (build_null_declspecs): Initialize the new struct
2565         c_declspecs::locations member.
2566         (declspecs_add_addrspace): Take a location parameter for the
2567         address space.  Store it onto declaration specifiers.
2568         (declspecs_add_qual): Likewise, take a location parameter for the
2569         qualifier.
2570         (declspecs_add_type): Likewise, take a location parameter for the
2571         type specifier.
2572         (declspecs_add_scspec): Likewise, take a location parameter for
2573         the storage class specifier.
2574         (declspecs_add_attrs): Likewise, take a location parameter for the
2575         first attribute.
2576         (declspecs_add_alignas): Likewise, take a location parameter for
2577         the alignas token.
2578         (finish_declspecs): For diagnostics, use the location of the
2579         relevant declspec, instead of the global input_location.
2580         * c-parser.c (c_parser_parameter_declaration): Pass the precise
2581         virtual location of the declspec to the declspecs-setters.
2582         (c_parser_declspecs): Likewise.  Avoid calling c_parser_peek_token
2583         repeatedly.
2585 2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
2587         * configure.ac: Stack protector enabling for Android targets.
2588         * configure: Regenerate.
2590 2012-05-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
2592         * ira.c (pseudo_move_insn): Delete.
2593         (find_moveable_pseudos): Don't set it.
2594         (move_unallocated_pseudos): Use DF_REG_DEF_CHAIN to find
2595         the definitions of the original pseudo.  Delete all of them.
2597 2012-05-16  Olivier Hainque  <hainque@adacore.com>
2599         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2600         PROCESSOR_PPC8548.
2601         * config/rs6000/rs6000-cpus.def: Reference it for cpu="8548".
2602         * config/rs6000/rs6000.md (cpu attribute definition): Add ppc8548.
2603         * config/rs6000/8540.md: indicate that the units/patterns apply to
2604         ppc8548 as well.
2606         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
2607         default_cpu into implicit_cpu, conveying what --with-cpu was passed at
2608         configure time. Treat implicit_cpu as have_CPU. Pick defaults for SPE
2609         related flags,  check that what is queried is supported by the selected
2610         configuration. Rework the single/double_float and MASK_STRING resets to
2611         hit for all the E500 cores (854x + E500MC variants). Select the ppc8540
2612         costs for PROCESSOR_PPC8548 as well.
2613         (rs6000_issue_rate): case CPU_PPC8548 together with CPU_PPC8540.
2614         (rs6000_use_sched_lookahead): Likewise, rewriting function as a case
2615         statement instead of a sequence of ifs.
2617         * config/rs6000/rs6000.h (TARGET_E500): Remove.
2618         (TARGET_NO_LWSYNC): Adjust accordingly.
2619         * config/rs6000/e500.h (TARGET_E500): Remove.
2620         (CHECK_E500_OPTIONS): Adjust accordingly.
2621         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove.
2622         (TARGET_DEFAULT): Reformat definition to match the one in linuxspe.h.
2623         * config/rs6000/linuxspe.h: Likewise.
2624         * config/rs6000/vxworks.h: Remove bogus TARGET_E500 overrides and
2625         superfluous comments.
2626         * config/rs6000/e500-double.h: Remove.
2628         * config.gcc (pick a default with_cpu): For powerpc*-*-*spe*,
2629         default to with_cpu=8548 if --enable-e500-double, and to 8540
2630         otherwise.
2631         (set misc flags section): For powerpc*|rs6000*, remove inclusion
2632         of e500-double.h for --enable-e500-double.
2634 2012-05-16  Olivier Hainque  <hainque@adacore.com>
2636         * Makefile.in (s-header-vars): Resort to -n instead of trailing
2637         -e d in sed invocation.
2639 2012-05-16  Hans-Peter Nilsson  <hp@axis.com>
2641         * doc/tm.texi.in (Type Layout) <SIZE_TYPE>: Update reference to
2642         source-code.
2643         * doc/tm.texi: Regenerate.
2645 2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
2647         * tree.h (EXPR_LOCATION): Use CAN_HAVE_LOCATION_P.
2649 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
2651         PR target/53358
2652         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
2653         that operands[2] is either immediate, or q_regs_operand.
2655 2012-05-15  Richard Guenther  <rguenther@suse.de>
2657         * cgraphunit.c (thunk_adjust): Use make_rename_temp.
2658         (assemble_thunk): Likewise.  Manually rename and register
2659         function arguments.
2661 2012-05-15  Richard Guenther  <rguenther@suse.de>
2663         PR tree-optimization/53355
2664         * tree-vrp.c (extract_range_from_binary_expr_1): Handle LSHIFT_EXPRs
2665         by constants.
2667 2012-05-15  Tristan Gingold  <gingold@adacore.com>
2669         * tree-ssa-strlen.c (get_string_length): Convert lhs if needed.
2671 2012-05-15  Richard Guenther  <rguenther@suse.de>
2673         * gimple.c (gimple_set_modified): Move ...
2674         * gimple.h (gimple_set_modified): ... here.
2676 2012-05-15  Tristan Gingold  <gingold@adacore.com>
2678         * ira-color.c (move_spill_restore): Add a guard.
2680 2012-05-15  Tristan Gingold  <gingold@adacore.com>
2682         * config/ia64/ia64.c (ia64_emit_probe_stack_range): Adjust calls to
2683         plus_constant.
2685 2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>
2687         * gimplify.c (gimplify_init_constructor): Do a block move for very
2688         small objects as well.
2690 2012-05-15  Bernd Schmidt  <bernds@codesourcery.com>
2692         * ira.c (find_moveable_pseudos): Skip registers whose
2693         DF_REG_EQ_USE_COUNT is nonzero.
2695 2012-05-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2697         * doc/md.texi (fma): Define to only be applicable for single rounding.
2699 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
2701         PR target/46098
2702         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
2703         generate target register for "load" class builtins.
2705         Revert:
2706         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
2708         PR target/46098
2709         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
2710         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
2711         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
2712         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
2713         (<sse>_movu<ssemodesuffix>): New expander.
2714         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
2715         (avx_movdqu<avxmodesuffix>): New expander.
2716         (*sse2_movdqu): Rename from sse2_movdqu.
2717         (sse2_movdqu): New expander.
2719 2012-05-14  Marc Glisse  <marc.glisse@inria.fr>
2721         PR target/52607
2722         * config/i386/i386.c (ix86_expand_vec_perm_const): Move code to ...
2723         (canonicalize_perm): ... new function.
2724         (expand_vec_perm_2vperm2f128_vshuf): New function.
2725         (ix86_expand_vec_perm_const_1): Call it.
2727 2012-05-14  Andrew Pinski  <apinski@cavium.com>
2728             H.J. Lu  <hongjiu.lu@intel.com>
2729             Jakub Jelinek  <jakub@redhat.com>
2731         PR target/53315
2732         * config/i386/i386.md (xbegin_1): Use + in constraint and match_dup.
2733         (xbegin): Updated.
2735 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
2737         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
2738         lineno 1 the same as lineno 0 before first start file directive.
2739         (optimize_macinfo_range): Likewise.
2741         * dwarf2out.c (have_macinfo): Define.
2742         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
2743         attribute, don't force empty compilation unit and don't emit any
2744         .debug_macinfo/.debug_macro section if macinfo_table is empty.
2746 2012-05-14  Georg-Johann Lay  <avr@gjlay.de>
2748         PR target/53344
2749         * config/avr/avr.c (avr_const_address_lo16): Remove.
2750         (avr_assemble_integer):  Print ".byte lo8(x)",
2751         ".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
2752         .warning if 3-byte address is assembled.
2753         * doc/extend.texi (AVR Named Address Spaces): Document that
2754         binutils 2.23 is needed to assemble 3-byte addresses.
2756 2012-05-14  Richard Guenther  <rguenther@suse.de>
2758         * tree-vect-data-refs.c (vect_setup_realignment): Remove
2759         call to mark_symbols_for_renaming.
2760         (vect_permute_load_chain): Likewise.
2761         * tree-vect-loop.c (vect_is_slp_reduction): Update stmt
2762         instead of calling mark_symbols_for_renaming.
2763         * tree-vect-stmts.c (read_vector_array): Remove call to
2764         mark_symbols_for_renaming.
2765         (write_vector_array): Likewise.
2766         (vectorizable_call): Likewise.
2767         (vectorizable_store): Likewise.
2768         (vectorizable_load): Likewise.
2769         * matrix-reorg.c (transform_allocation_sites): Likewise.
2770         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2771         (create_expression_by_pieces): Likewise.
2773 2012-05-14  Richard Guenther  <rguenther@suse.de>
2775         * gimplify.c (gimple_regimplify_operands): Only mark the LHS
2776         of statements for renaming.
2777         (force_gimple_operand_1): Likewise, consistently for both
2778         calls to force_gimple_operand and force_gimple_operand_gsi.
2780 2012-05-14  Richard Guenther  <rguenther@suse.de>
2782         * tree-dfa.c (make_rename_temp): Be forgiving if not in SSA form.
2783         * omp-low.c (expand_omp_taskreg): Properly conditionalize call
2784         to update_ssa.
2785         (expand_omp_for): Likewise.
2786         (expand_omp_for_generic): Adjust conditional add to referenced vars.
2787         Use make_rename_temp for temporaries that should be rewritten into
2788         SSA form.
2789         (expand_omp_for_static_nochunk): Likewise.
2790         (expand_omp_atomic_pipeline): Likewise.
2792 2012-05-14  Richard Guenther  <rguenther@suse.de>
2794         PR tree-optimization/53331
2795         * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Ignore
2796         strided loads.
2797         * tree-vect-stmts.c (vect_model_load_cost): Handle strided loads.
2799 2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2801         PR 53063
2802         * doc/options.texi: (LangEnabledBy): Document it.
2803         * optc-gen.awk: Handle LangEnabledBy.
2804         * opth-gen.awk: Generate declaration for lang-specific functions.
2805         * opt-read.awk: Record lang numbers.
2806         * opt-functions.awk (flag_set_p): Ignore the arguments of flags.
2807         (lang_sanitized_name): New.
2809 2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>
2811         * attribs.c (decl_attributes): Avoid emitting a warning if
2812         ATTR_FLAG_BUILT_IN.
2813         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
2814         codes.  Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
2815         * builtin-attrs.def (DEF_ATTR_FOR_STRING): Define.  Use it to
2816         define a string "1".
2817         (ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
2818         * builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
2819         BUILT_IN_STRCPY): Use it for these functions.
2820         * postreload.c (reload_combine): Deal with SETs inside
2821         CALL_INSN_FUNCTION_USAGE.
2822         * caller-save.c (setup_save_areas, save_call_clobbered_regs):
2823         Look for REG_RETURNED notes and use a cheap restore if possible.
2824         * ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
2825         (ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
2826         * ira-build.c (ira_create_allocno, create_cap_allocno,
2827         propagate_allocno_info, propagate_some_info_from_allocno,
2828         copy_info_to_removed_store_destination, ira_flattening): Handle it.
2829         * ira-lives.c (pseudo_regno_single_word_and_live_p,
2830         find_call_crossed_cheap_reg): New static functions.
2831         (process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
2832         and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible.  Also make
2833         a REG_RETURNED note in that case.
2834         * ira.c (setup_reg_renumber): Change assert to allow cases where
2835         allocnos only cross calls for which they are cheap to restore.
2836         * ira-costs.c (ira_tune_allocno_costs): Compare
2837         ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
2838         than 0.
2839         * reg-notes.def (REG_RETURNED): New note.
2840         * cse.c (cse_insn): Likewise.
2841         * sched-deps.c (sched_analyze_insn): Likewise.
2842         * expr.c (init_block_move_fn): Set a "fn spec" attribute.
2843         * calls.c (decl_return_flags): New static function.
2844         (expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
2845         functions that return one of their arguments.
2846         * regcprop.c (struct kill_set_value_data): New.
2847         (kill_set_value): Interpret data as a pointer to such a struct.
2848         Do nothing if the caller wants the register to be ignored.
2849         (copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
2851 2012-05-14  Richard Guenther  <rguenther@suse.de>
2853         PR tree-optimization/53340
2854         * tree-ssa-pre.c (op_valid_in_sets): Fix error in last commit.
2856 2012-05-14  Richard Guenther  <rguenther@suse.de>
2858         * gimplify.c (gimplify_expr): Remove odd code.
2860 2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
2862         * stor-layout.c (bit_from_pos): Distribute conversion to bitsizetype
2863         into a PLUS_EXPR byte offset.
2865         * tree-ssa-pre.c (can_value_number_call): Delete.
2866         (compute_avail): Skip all statements with side effects.
2867         <GIMPLE_CALL>: Skip calls to internal functions.
2869 2012-05-13  Steven Bosscher  <steven@gcc.gnu.org>
2871         * config/pa/pa.md: Use define_c_enum for "unspec" and "unspecv".
2873 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2875         * common.opt (Wtype-limits): Use EnabledBy.
2877 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
2879         * config/i386/i386.md (*pushtf): Enable for TARGET_SSE.
2880         (pushtf splitter): Ditto.
2881         (movtf): Ditto.
2882         (*movtf_internal): Ditto. Use V4SFmode for !TARGET_SSE2.
2883         (<code>tf2): Enable for TARGET_SSE.
2884         (*absnegtf2_sse): Ditto.
2885         (copysign<mode>3): Enable TFmode for TARGET_SSE.
2886         (copysign<mode>3_const): Ditto.
2887         (copysign<mode>3_var): Ditto.
2888         * config/i386/sse.md (<code>tf3): Enable for TARGET_SSE.
2889         (*andnottf3): Ditto.  Use V4SFmode for !TARGET_SSE2.
2890         (*<code>tf3): Ditto.
2891         * config/i386/i386.c (struct builtin_description bdesc_args)
2892         <IX86_BUILTIN_FABSQ>: Enable for TARGET_SSE.
2893         <IX86_BUILTIN_COPYSIGNQ>: Ditto.
2894         (ix86_expand_builtin) <IX86_BUILTIN_FABSQ, IX86_BUILTIN_COPYSIGNQ>:
2895         Emit a normal call if SSE isn't available.
2897 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
2899         * config/i386/sse.md (<sse>_andnot<mode>3): Handle
2900         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
2901         (<code><mode>3): Ditto.
2902         (*andnot<mode>3): Ditto.
2903         (*andnottf3): Ditto.
2904         (*<code><mode>3): Ditto.
2905         (<code>tf3): Ditto.
2907 2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2909         * optc-gen.awk: Error instead of warning for conflicting help.
2911 2012-05-12  Jason Merrill  <jason@redhat.com>
2913         PR debug/53235
2914         * dwarf2out.c (build_local_stub): Prefer DW_AT_signature for
2915         comdat types.
2917 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
2919         * function.c (requires_stack_frame_p): If the function can throw
2920         non-call exceptions, return true if the insn can throw internally.
2922 2012-05-12  Paolo Carlini  <paolo.carlini@oracle.com>
2924         * doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
2926 2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
2928         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
2929         ORDERED and UNORDERED conditions.
2931 2012-05-11  Richard Guenther  <rguenther@suse.de>
2933         * tree-flow.h (referenced_var_check_and_insert): Remove.
2934         (find_new_referenced_vars): Likewise.
2935         * tree-dfa.c (referenced_var_check_and_insert): Make static.
2936         (find_new_referenced_vars_1, find_new_referenced_vars): Remove.
2937         * tree-inline.c (copy_bb): Use find_referenced_vars_in
2938         instead of find_new_referenced_vars.
2939         * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.
2941 2012-05-11  Richard Guenther  <rguenther@suse.de>
2943         * tree-pass.h (pass_rest_of_compilation,
2944         pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
2945         Remove.
2946         * passes.c (pass_all_optimizations, pass_postreload,
2947         pass_all_early_optimizations): Make static.
2948         (pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
2949         * tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
2950         * tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
2951         (delete_tree_ssa): Do not call fini_phinodes.
2952         * tree-flow.h (init_phinodes, fini_phinodes): Remove.
2954 2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2956         PR 53063
2957         * doc/options.texi (EnabledBy): Document
2958         * opts.c: Include opts.h and options.h before tm.h.
2959         (finish_options): Do not handle some sub-options here...
2960         (common_handle_option): ... instead call common_handle_option_auto
2961         here.
2962         * optc-gen.awk: Handle EnabledBy.
2963         * opth-gen.awk: Declare common_handle_option_auto.
2964         * common.opt (Wuninitialized): Use EnabledBy. Delete Init.
2965         (Wmaybe-uninitialized): Likewise.
2966         (Wunused-but-set-variable): Likewise.
2967         (Wunused-function): Likewise.
2968         (Wunused-label): Likewise.
2969         (Wunused-value): Likewise.
2970         (Wunused-variable): Likewise.
2971         * opt-read.awk: Create opt_numbers array.
2973 2012-05-11  Richard Guenther  <rguenther@suse.de>
2975         PR tree-optimization/53295
2976         * tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
2977         strides.
2978         * tree-data-ref.c (dr_analyze_innermost): Allow non-constant
2979         strides when analyzing data-references in a loop context.
2980         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
2981         non-constant strides for now.
2982         (vect_enhance_data_refs_alignment): Ignore data references
2983         that are strided loads.
2984         (vect_analyze_data_ref_access): Handle non-constant strides.
2985         (vect_check_strided_load): Verify the data-reference is a load.
2986         (vect_analyze_data_refs): Restructure to make strided load
2987         support not dependent on gather support.
2988         * tree-vect-stmts.c (vectorizable_load): Avoid useless work
2989         when doing strided or gather loads.
2990         * tree-vect-loop-manip.c (vect_vfa_segment_size): Use
2991         integer_zerop to compare stride with zero.
2993 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2995         * config/i386/driver-i386.c (host_detect_local_cpu): Support RTM.
2997 2012-05-11  Jan Hubicka  <jh@suse.cz>
2999         PR bootstrap/53300
3000         * varpool.c (varpool_assemble_decl): Also output constat pool entries
3001         that output_constant_pool missed.
3003 2012-05-11  Mingjie Xing  <mingjie.xing@gmail.com>
3005         * config/mips/t-vxworks: Change MUTLILIB_EXTRA_OPTS to
3006         MULTILIB_EXTRA_OPTS.
3008 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
3010         PR target/53291
3011         * config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.
3013 2012-05-11  Uros Bizjak  <ubizjak@gmail.com>
3015         * config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
3016         optimization for TARGET_AVX.
3017         (*movti_internal_sse): Ditto.
3018         (*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
3019         (*movdi_internal): Ditto.
3020         (*movsi_internal): Ditto.
3021         (*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
3022         (*movdf_internal_rex64): Ditto.
3023         (*movfd_internal): Ditto.
3024         (*movsf_internal): Ditto.
3025         * config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.
3027 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
3029         * dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
3030         reference as size attribute.
3032 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
3033             Tristan Gingold  <gingold@adacore.com>
3035         * doc/md.texi (Standard Names): Document probe_stack_address.
3036         * explow.c (emit_stack_probe): Handle probe_stack_address.
3037         * config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
3038         (UNSPECV_PROBE_STACK_RANGE): Likewise.
3039         (probe_stack_address): New insn.
3040         (probe_stack_range): Likewise.
3041         * config/ia64/ia64.c: Include common/common-target.h.
3042         (ia64_compute_frame_size): Mark r2 and r3 as used if static stack
3043         checking is enabled.
3044         (ia64_emit_probe_stack_range): New function.
3045         (output_probe_stack_range): Likewise.
3046         (ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
3047         builtin stack checking is enabled.
3048         (rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
3049         and UNSPECV_PROBE_STACK_ADDRESS.
3050         (unknown_for_bundling_p): New predicate.
3051         (group_barrier_needed): Use important_for_bundling_p.
3052         (ia64_dfa_new_cycle): Use unknown_for_bundling_p.
3053         (issue_nops_and_insn): Likewise.
3054         (bundling): Likewise.
3055         (final_emit_insn_group_barriers): Likewise.
3056         * config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
3057         * config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
3058         (STACK_CHECK_PROTECT): Likewise.
3059         * config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3061 2012-05-10  Jan Hubicka  <jh@suse.cz>
3063         * ipa-inline.c (update_all_callee_keys): Remove.
3064         (inline_small_functions): Simplify priority updating.
3066 2012-05-10  Jan Hubicka  <jh@suse.cz>
3068         * ipa.c (symtab_remove_unreachable_nodes): Fix marking of clones.
3070 2012-05-10  Jan Hubicka  <jh@suse.cz>
3072         * cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
3073         (symtab_remove_unreachable_nodes): ... this one.
3074         * ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
3075         * cgraphunit.c (ipa_passes): Update.
3076         * cgraphclones.c (cgraph_materialize_all_clones): Update.
3077         * cgraph.c (cgraph_release_function_body): Only turn initial
3078         into error mark when initial was previously set.
3079         * ipa-inline.c (ipa_inline): Update.
3080         * ipa.c: Include ipa-inline.h
3081         (enqueue_cgraph_node, enqueue_varpool_node): Remove.
3082         (enqueue_node): New function.
3083         (process_references): Update.
3084         (symtab_remove_unreachable_nodes): Cleanup.
3085         * passes.c (execute_todo, execute_one_pass): Update.
3087 2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>
3089         PR rtl-optimization/53125
3090         * ira.c (ira): Call find_moveable_pseudos and
3091         move_unallocated_pseudos if only ira_conflicts_p is true.
3093 2012-05-10  Uros Bizjak  <ubizjak@gmail.com>
3095         * config/i386/i386.md (*movoi_internal_avx): Handle
3096         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
3097         (*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
3098         (*movti_internal_sse): Ditto.
3099         (*movtf_internal): Ditto.
3100         * config/i386/sse.md (ssePSmode): New mode attribute.
3101         (*move<mode>_internal): Use ssePSmode.
3102         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
3103         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
3104         * config/i386/i386.c (standard_sse_constant_opcode): Do not handle
3105         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.
3107 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
3109         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
3110         DECL_ORIGINAL_TYPE if it is present.
3112 2012-05-10  Nick Clifton  <nickc@redhat.com>
3114         PR target/53120
3115         * config/m32c/bitops.md (bset_qi): Change operand 2 from having
3116         a "0" constraint to being a (match_dup 0).
3118 2012-05-10  Richard Guenther  <rguenther@suse.de>
3120         * stor-layout.c (byte_from_pos): Amend comment.
3122 2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3124         * doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
3125         Document requirement to call in constructors.
3127         * config/i386/i386.c: Update comments for i386-cpuinfo.c name change.
3129 2012-05-10  Richard Guenther  <rguenther@suse.de>
3131         * tree.h (TYPE_IS_SIZETYPE): Remove.
3132         * fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
3133         (extract_muldiv_1): Likewise.
3134         * gimple.c (gtc_visit): Likewise.
3135         (gimple_types_compatible_p): Likewise.
3136         (iterative_hash_canonical_type): Likewise.
3137         (gimple_canonical_types_compatible_p): Likewise.
3138         * gimplify.c (gimplify_one_sizepos): Likewise.
3139         * print-tree.c (print_node): Likewise.
3140         * stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.
3142 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
3144         PR target/52908
3145         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
3146         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
3147         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
3148         instead of xop_mulv2div2di3_low.
3149         (xop_p<macs>dql): Fix vec_select selector.
3150         (xop_p<macs>dqh): Ditto.
3151         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
3152         (xop_mulv2div2di3_high): Ditto.
3154 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3156         PR c++/53289
3157         * diagnostic.h (diagnostic_context): Add last_location.
3158         * diagnostic.c (diagnostic_initialize): Initialize it.
3159         (diagnostic_show_locus): Use it.
3161 2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3163         * doc/extend.texi (Function Attributes): Point xref to section
3164         about Pragmas.
3166 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
3168         * config/i386/i386.c (*movdf_internal_rex64): Remove
3169         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
3170         Calculate "mode" attribute according to
3171         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
3172         (*movdf_internal): Ditto.
3174 2012-05-09  Uros Bizjak  <ubizjak@gmail.com>
3176         PR target/44141
3177         * config/i386/i386.c (ix86_expand_vector_move_misalign): Do not handle
3178         128 bit vectors specially for TARGET_AVX.  Emit sse2_movupd and
3179         sse_movupd RTXes for TARGET_AVX, TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
3180         or when optimizing for size.
3181         * config/i386/sse.md (*mov<mode>_internal): Remove
3182         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling from asm output code.
3183         Calculate "mode" attribute according to optimize_function_for_size_p
3184         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flag.
3185         (*<sse>_movu<ssemodesuffix><avxsizesuffix>): Choose asm template
3186         depending on the mode of the instruction.  Calculate "mode" attribute
3187         according to optimize_function_for_size_p, TARGET_SSE_TYPELESS_STORES
3188         and TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL flags.
3189         (*<sse2>_movdqu<avxsizesuffix>): Ditto.
3191 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
3193         PR target/53256
3194         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
3195         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
3196         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
3197         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
3198         (expand_prologue): Move initialization of cfun->machine->is_naked,
3199         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
3200         (avr_set_current_function): ...this new static function.
3201         (TARGET_SET_CURRENT_FUNCTION): New define.
3202         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
3203         checking attributes of current_function_decl.
3204         (avr_regs_to_save): Ditto.
3205         (signal_function_p): Rename to avr_signal_function_p.
3206         (interrupt_function_p): Rename to avr_interrupt_function_p.
3208         * doc/extend.texi (Function Attributes): Better explanation of
3209         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
3210         alphabetical order.
3212 2012-05-09  Michael Matz  <matz@suse.de>
3214         PR tree-optimization/53185
3215         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Disable
3216         peeling when we see strided loads.
3218 2012-05-09  Matthias Klose  <doko@ubuntu.com>
3220         * gcc-ar.c (main): Don't check for execute bits for the plugin.
3222 2012-05-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3224         * tree-ssa-loop-ivopts.c (add_autoinc_candidates, get_address_cost):
3225         Replace use of HAVE_{POST/PRE}_{INCREMENT/DECREMENT} with
3226         USE_{LOAD/STORE}_{PRE/POST}_{INCREMENT/DECREMENT} appropriately.
3227         * config/arm/arm.h (ARM_AUTOINC_VALID_FOR_MODE_P): New.
3228         (USE_LOAD_POST_INCREMENT): Define.
3229         (USE_LOAD_PRE_INCREMENT): Define.
3230         (USE_LOAD_POST_DECREMENT): Define.
3231         (USE_LOAD_PRE_DECREMENT): Define.
3232         (USE_STORE_PRE_DECREMENT): Define.
3233         (USE_STORE_PRE_INCREMENT): Define.
3234         (USE_STORE_POST_DECREMENT): Define.
3235         (USE_STORE_POST_INCREMENT): Define.
3236         (arm_auto_incmodes): Add enumeration.
3237         * config/arm/arm-protos.h (arm_autoinc_modes_ok_p): Declare.
3238         * config/arm/arm.c (arm_autoinc_modes_ok_p): Define.
3240 2012-05-09  Jakub Jelinek  <jakub@redhat.com>
3242         PR tree-optimization/53226
3243         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Remove
3244         prev and prev_initialized vars, gimple_set_plf (stmt, GF_PLF_1, false)
3245         before processing it and gimple_set_plf (stmt, GF_PLF_1, true) if it
3246         doesn't need to be revisited, look for earliest stmt with
3247         !gimple_plf (stmt, GF_PLF_1) if something changed.
3249 2012-05-09  Terry Guo  <terry.guo@arm.com>
3251         * genmultilib: Update copyright dates.
3252         * doc/fragments.texi: Ditto.
3254 2012-05-09  Terry Guo  <terry.guo@arm.com>
3256         * Makefile.in (s-mlib): Add new argument MULTILIB_REQUIRED.
3257         * genmultilib (MULTILIB_REQUIRED): New.
3258         * doc/fragments.texi: Document the MULTILIB_REQUIRED.
3260 2012-05-09  Richard Guenther  <rguenther@suse.de>
3262         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
3263         (vect_do_peeling_for_loop_bound): Likewise.
3264         (vect_do_peeling_for_alignment): Likewise.
3265         * tree-vect-loop-manip.c (conservative_cost_threshold): Remove.
3266         (vect_do_peeling_for_loop_bound): Get check_profitability and
3267         threshold as parameters.
3268         (vect_do_peeling_for_alignment): Likewise.
3269         (vect_loop_versioning): Likewise.
3270         * tree-vect-loop.c (vect_transform_loop): Compute check_profitability
3271         and threshold here.  Control where to put the check here.
3273 2012-05-09  Richard Sandiford  <rdsandiford@googlemail.com>
3275         PR middle-end/53249
3276         * dwarf2out.h (get_address_mode): Move declaration to...
3277         * rtl.h: ...here.
3278         * dwarf2out.c (get_address_mode): Move definition to...
3279         * rtlanal.c: ...here.
3280         * var-tracking.c (get_address_mode): Delete.
3281         * combine.c (find_split_point): Use get_address_mode instead of
3282         targetm.addr_space.address_mode.
3283         * cselib.c (cselib_record_sets): Likewise.
3284         * dse.c (canon_address, record_store): Likewise.
3285         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
3286         * expr.c (move_by_pieces, emit_block_move_via_loop, store_by_pieces)
3287         (store_by_pieces_1, expand_assignment, store_expr, store_constructor)
3288         (expand_expr_real_1): Likewise.
3289         * ifcvt.c (noce_try_cmove_arith): Likewise.
3290         * optabs.c (maybe_legitimize_operand_same_code): Likewise.
3291         * reload.c (find_reloads): Likewise.
3292         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
3293         * sel-sched-dump.c (debug_mem_addr_value): Likewise.
3295 2012-05-09  Maciej W. Rozycki  <macro@codesourcery.com>
3297         * config/mips/mips.c (mips16_gp_pseudo_reg): Remove line
3298         information from the instruction produced.
3300 2012-05-09  Richard Guenther  <rguenther@suse.de>
3302         * stor-layout.c (bit_from_pos): Document.
3303         (byte_from_pos): Likewise.  Optimize.
3304         (pos_from_bit): Likewise.
3305         (normalize_offset): Use pos_from_bit instead of replicating it.
3307 2012-05-09  Alan Modra  <amodra@gmail.com>
3309         PR target/53271
3310         * config/rs6000/rs6000.c (gen_frame_set): New function.
3311         (gen_frame_load, gen_frame_store): New functions.
3312         (rs6000_savres_rtx): Use the above.
3313         (rs6000_emit_epilogue, rs6000_emit_prologue): Here too.
3314         Correct mode used for CR2 in save/restore_world patterns.
3315         Don't emit instructions for eh_return frame unwind reg info.
3317 2012-05-08  Jan Hubicka  <jh@suse.cz>
3319         * cgraphbuild.c (build_cgraph_edges): Do not finalize vars
3320         with VALUE_EXPR.
3321         * cgraph.h (varpool_can_remove_if_no_refs): Vars with VALUE_EXPR
3322         are removable.
3323         * toplev.c (wrapup_global_declaration_2): Vars with VALUE_EXPR
3324         need to wrapup.
3325         (compile_file): Do not output variables.
3326         * cgraphbuild.c (varpool_finalize_decl): When var is finalized late,
3327         output it.
3328         * langhooks.c: Include timevar.h
3329         (write_global_declarations): Finalize compilation unit after wrapup;
3330         set timevars correctly.
3331         * passes.c (rest_of_decl_compilation): Decls with VALUE_EXPR needs
3332         not to be added to varpool.
3333         * varpool.c (varpool_assemble_decl): Sanity check that we are called
3334         only on cases where it makes sense; skip constant pool and value expr
3335         vars.
3337 2012-05-08  David S. Miller  <davem@davemloft.net>
3339         * config/sparc/linux.h (LINK_SPEC): Don't pass "-Y" option.
3340         * config/sparc/linux64.h (LINK_ARCH32_SPEC): Likewise.
3341         * config/sparc/linux64.h (LINK_ARCH64_SPEC): Likewise.
3343 2012-05-08  Richard Sandiford  <rdsandiford@googlemail.com>
3345         PR rtl-optimization/53278
3346         * lower-subreg.c (decompose_multiword_subregs): Remove left-over
3347         speed_p code from earlier patch.
3349 2012-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3351         PR target/51244
3352         * config/sh/sh.md (*branch_true, *branch_false): New insns.
3354 2012-05-08  Teresa Johnson  <tejohnson@google.com>
3356         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
3357         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
3359 2012-05-08  Jan Hubicka  <jh@suse.cz>
3361         * cgraph.c (cgraph_call_edge_duplication_hooks): Export.
3362         (cgraph_create_node_1): Rename to ...
3363         (cgraph_create_empty_node): ... this one; export.
3364         (cgraph_create_node): Update.
3365         (cgraph_set_call_stmt_including_clones): Move to cgraphclones.c
3366         (cgraph_create_edge_including_clones): Likewise.
3367         (cgraph_find_replacement_node): Likewise.
3368         (cgraph_clone_edge): Likewise.
3369         (cgraph_clone_node): Likewise.
3370         (clone_function_name): Likewise.
3371         (cgraph_create_virtual_clone): Likewise.
3372         (cgraph_remove_node_and_inline_clones): Likewise.
3373         (cgraph_redirect_edge_call_stmt_to_callee): Move here from cgraphunit.c
3374         * cgraph.h: Reorder declarations so they match file of origin.
3375         (cgraph_create_empty_node): Declare.
3376         * cgraphunit.c (update_call_expr): Move to cgraphclones.c
3377         (cgraph_copy_node_for_versioning): Likewise.
3378         (cgraph_function_versioning): Likewise.
3379         (cgraph_materialize_clone): Likewise.
3380         (cgraph_redirect_edge_call_stmt_to_callee): Likewise.
3381         (cgraph_materialize_all_clones): Likewise.
3382         * cgraphclones.c: New file.
3383         * Makefile.in: Update for cgraphclones.
3385 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
3387         PR target/53176
3388         * config/i386/i386.c (ix86_set_reg_reg_cost): New function.
3389         (ix86_rtx_costs): Handle SET.
3391 2012-05-08  Michael Matz  <matz@suse.de>
3393         * basic-block.h (struct rtl_bb_info): Remove visited member and
3394         move head_ member to ...
3395         (struct basic_block_def.basic_block_il_dependent): ... the new
3396         member x, replacing but containing old member rtl.
3397         (enum bb_flags): New BB_VISITED flag.
3398         (BB_HEADER, BB_FOOTER): New macros.
3400         * jump.c (mark_all_labels): Adjust.
3401         * cfgcleanup.c (try_optimize_cfg): Adjust.
3402         * cfglayout.c (record_effective_endpoints): Adjust.
3403         (relink_block_chain): Ditto (and don't fiddle with visited).
3404         (fixup_reorder_chain): Adjust.
3405         (fixup_fallthru_exit_predecessor): Ditto.
3406         (cfg_layout_duplicate_bb): Ditto.
3407         * combine.c (update_cfg_for_uncondjump): Adjust.
3408         * bb-reorder.c (struct bbro_basic_block_data_def): Add visited member.
3409         (bb_visited_trace): New accessor.
3410         (mark_bb_visited): Move in front.
3411         (rotate_loop): Use bb_visited_trace.
3412         (find_traces_1_round): Ditto.
3413         (emit_barrier_after): Ditto.
3414         (copy_bb): Ditto, and initialize visited on resize.
3415         (reorder_basic_blocks): Initize visited member.
3416         (duplicate_computed_gotos): Clear bb flags at start, use
3417         BB_VISITED flags.
3419         * cfgrtl.c (try_redirect_by_replacing_jump): Adjust.
3420         (rtl_verify_flow_info_1): Ditto.
3421         (cfg_layout_split_block): Ditto.
3422         (cfg_layout_delete_block): Ditto.
3423         (cfg_layout_merge_blocks): Ditto.
3424         (init_rtl_bb_info): Adjust and initialize il.x.head_ member.
3426 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
3428         PR target/53272
3429         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
3430         when a constant source operand matches an "I" constraint, the "no
3431         CC0 change" applies to a register-destination only, not a
3432         strict_low_part-destination.
3434 2012-05-08  Richard Guenther  <rguenther@suse.de>
3436         * fold-const.c (fold_binary_loc): Fold (X * CST1) & CST2
3437         to zero or to (X * CST1) & CST2' when CST1 has trailing zeros.
3439 2012-05-08  Georg-Johann Lay  <avr@gjlay.de>
3441         * Makefile.in (TEXI_GCC_FILES): Add avr-mmcu.texi.
3443         * doc/avr-mmcu.texi: New auto-generated file.
3444         * doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
3445         to document all valid -mmcu= arguments.
3447         * config/avr/avr.h (arch_info_s): New struct definition.
3448         * config/avr/avr-devices.c (avr_texinfo): New variable.
3449         * config/avr/gen-avr-mmcu-texi.c: New file.
3450         * config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
3452 2012-05-08  Dehao Chen  <dehao@google.com>
3454         * predict.c (find_qualified_ssa_name): New.
3455         (find_ssa_name_in_expr): New.
3456         (find_ssa_name_in_assign_stmt): New.
3457         (is_comparison_with_loop_invariant_p): New.
3458         (is_bound_expr_similar): New.
3459         (predict_iv_comparison): New.
3460         (predict_loops): Add heuristic for loop-nested branches that compare an
3461         induction variable to a loop bound variable.
3462         * predict.def (PRED_LOOP_IV_COMPARE): New macro.
3464 2012-05-08  Uros Bizjak  <ubizjak@gmail.com>
3466         * config/i386/i386.c (has_dispatch): Use TARGET_BDVER1 and
3467         TARGET_BDVER2 defines where appropriate.
3469 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
3471         * configure.ac (PLUGIN_LD): Rename into...
3472         (PLUGIN_LD_SUFFIX): ...this and strip the target_alias triplet.
3473         * config.in: Regenerate.
3474         * configure: Likewise.
3475         * collect2.c (main): Set plugin_ld_suffix to PLUGIN_LD_SUFFIX.
3477 2012-05-07  Eric Botcazou  <ebotcazou@adacore.com>
3479         * tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Do the offset
3480         computation using the precision of the index type.
3481         * gimple-fold.c (fold_const_aggregate_ref_1) <ARRAY_REF>: Likewise.
3482         (fold_array_ctor_reference): Do index computations in the index type.
3484 2012-05-07  Georg-Johann Lay  <avr@gjlay.de>
3486         * config/avr/avr.c (avr_prologue_setup_frame): Fix mode passed
3487         down to plus_constant.
3488         (expand_epilogue): Ditto.
3490 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3492         * postreload.c (reload_cse_regs): Make static.
3493         * reload.h (reload_cse_regs): Remove prototype.
3495 2012-05-07  Richard Henderson  <rth@redhat.com>
3497         * config/alpha/alpha.md (clear_cache): New pattern.
3499 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3501         PR middle-end/53245
3502         * gimplify.c (preprocess_case_label_vec_for_gimple): If low or high
3503         is folded to a type boundary value, verify that the resulting case
3504         label is still a care range.
3506 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
3508         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf
3509         only for TARGET_GENERIC, when not optimizing for size.
3510         (*ffs<mode>_1): Ditto.
3512 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3514         * tree-cfg.c (verify_gimple_switch): Tighten checks.
3516 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
3518         PR tree-optimization/53239
3519         * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF
3520         of DECL_BY_REFERENCE RESULT_DECL to nonnull.
3522 2012-05-07  Richard Guenther  <rguenther@suse.de>
3524         PR tree-optimization/53195
3525         * tree-inline.c (setup_one_parameter): Properly add referenced
3526         vars from the parameters new known value.
3528 2012-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3530         * config/m68k/m68k.c (m68k_sched_branch_type): Remove.
3531         (sched_branch_type): Remove.
3532         (m68k_sched_md_init_global): Don't allocate it.
3533         (m68k_sched_md_finish_global): Don't free it.
3534         * config/m68k/m68k.h (m68k_sched_branch_type): Remove prototype.
3535         * config/m68k/m68k.md: Set the type of insns using
3536         m68k_sched_branch_type to bcc directly.
3538 2012-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3540         * config/sol2.c (solaris_override_options): New function.
3541         * config/sol2-protos.h (solaris_override_options): Declare.
3542         * config/sol2.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
3544 2012-05-07  Richard Guenther  <rguenther@suse.de>
3546         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Return
3547         whether we failed to compute data dependences.
3548         (loop_prefetch_arrays): Fail if we failed.
3550 2012-05-07  Uros Bizjak  <ubizjak@gmail.com>
3551             Paolo Bonzini  <bonzini@gnu.org>
3553         * config/i386/i386.md (ctz<mode>2): Emit rep;bsf even for !TARGET_BMI.
3554         Emit bsf when optimizing for size.
3555         (*ffs<mode>_1): Ditto.
3557 2012-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3559         PR target/53250
3560         * config/sh/sh.c (sh_rtx_costs): Handle SET.
3562 2012-05-06  Uros Bizjak  <ubizjak@gmail.com>
3564         PR target/53227
3565         * config/i386/i386.md (swap<mode>): Rename from *swap<mode>.
3566         (bswapdi2): Split from bswap<mode>2.  Use nonnimediate_operand
3567         predicate for operand 1.  Force operand 1 to register for TARGET_BSWAP.
3568         (bswapsi2): Ditto.
3569         (*bswapdi2_doubleword): New insn pattern.
3570         (*bswap<mode>2): Rename from *bswap<mode>2_1.
3572 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
3574         * config/mips/mips.c (mips_set_reg_reg_piece_cost): New function.
3575         (mips_set_reg_reg_cost): Likewise.
3576         (mips_rtx_costs): Handle SET.
3578 2012-05-06  Richard Sandiford  <rdsandiford@googlemail.com>
3580         * lower-subreg.c (shift_cost): Use set_src_cost, avoiding the SET.
3581         (compute_costs): Likewise for the zero extension.  Use set_rtx_cost
3582         to compute the cost of moves.  Set the mode of the target register.
3584 2012-05-05  Richard Sandiford  <rdsandiford@googlemail.com>
3586         * rtl.h (plus_constant, plus_constant_mode): Merge into a single
3587         plus_constant function.
3588         * explow.c (plus_constant, plus_constant_mode): Likewise.  Assert
3589         that the mode is sensible.
3590         (use_anchored_address, round_push, allocate_dynamic_stack_space)
3591         (probe_stack_range, anti_adjust_stack_and_probe): Update calls to
3592         plus_constant.
3594         * alias.c (canon_rtx): Likewise.
3595         (init_alias_analysis): Likewise.
3596         * builtins.c (expand_builtin_return_addr)
3597         (expand_builtin_setjmp_setup, expand_builtin_longjmp)
3598         (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf)
3599         (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr)
3600         (expand_builtin_stpcpy): Likewise.
3601         * calls.c (save_fixed_argument_area, restore_fixed_argument_area)
3602         (compute_argument_addresses, internal_arg_pointer_based_exp)
3603         (expand_call, emit_library_call_value_1): Likewise.
3604         * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise.
3605         * combine-stack-adj.c (try_apply_stack_adjustment): Likewise.
3606         * combine.c (combine_simplify_rtx, force_to_mode): Likewise.
3607         * cse.c (insert_const_anchor, find_reg_offset_for_const)
3608         (use_related_value, fold_rtx): Likewise.
3609         * cselib.c (cselib_subst_to_values): Likewise.
3610         * dse.c (record_store, check_mem_read_rtx): Likewise.
3611         * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise.
3612         * emit-rtl.c (adjust_address_1): Likewise.
3613         * except.c (sjlj_emit_function_enter)
3614         (expand_builtin_extract_return_addr)
3615         (expand_builtin_frob_return_addr): Likewise.
3616         * expmed.c (expand_divmod): Likewise.
3617         * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1)
3618         (emit_move_resolve_push, push_block, emit_push_insn, store_expr)
3619         (expand_expr_addr_expr_1, expand_expr_real_1): Likewise.
3620         * function.c (assign_stack_local_1)
3621         (instantiate_virtual_regs_in_rtx): Likewise.
3622         * optabs.c (prepare_cmp_insn): Likewise.
3623         * recog.c (offsettable_address_addr_space_p): Likewise.
3624         * reload.c (find_reloads_address, form_sum)
3625         (find_reloads_subreg_address): Likewise.
3626         * reload1.c (init_reload, eliminate_regs_1)
3627         (eliminate_regs_in_insn): Likewise.
3628         * simplify-rtx.c (simplify_unary_operation_1)
3629         (simplify_binary_operation_1, simplify_plus_minus): Likewise.
3630         * var-tracking.c (compute_cfa_pointer, prepare_call_arguments)
3631         (vt_add_function_parameter): Likewise.
3633         * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise.
3634         * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise.
3635         * config/alpha/alpha.c (alpha_legitimize_address_1)
3636         (get_unaligned_address, alpha_expand_unaligned_load)
3637         (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words)
3638         (alpha_expand_unaligned_store_words, alpha_expand_block_clear)
3639         (alpha_expand_builtin_establish_vms_condition_handler)
3640         (alpha_setup_incoming_varargs, emit_frame_store_1)
3641         (alpha_expand_prologue, alpha_expand_epilogue)
3642         (alpha_use_linkage): Likewise.
3643         * config/alpha/alpha.md: Likewise.
3645         * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address)
3646         (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address)
3647         (thumb_legitimize_address, arm_gen_load_multiple_1)
3648         (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq)
3649         (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight)
3650         (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi)
3651         (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push)
3652         (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue)
3653         (thumb1_emit_multi_reg_push, thumb1_expand_prologue)
3654         (thumb_expand_movmemqi, arm_set_return_address)
3655         (thumb_set_return_address): Likewise.
3656         * config/arm/arm.md: Likewise.
3658         * config/avr/avr.c (avr_incoming_return_addr_rtx)
3659         (avr_prologue_setup_frame, expand_epilogue)
3660         (avr_const_address_lo16): Likewise.
3662         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise.
3663         * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg)
3664         (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call)
3665         (bfin_output_mi_thunk): Likewise.
3667         * config/c6x/c6x.c (c6x_initialize_trampoline)
3668         (c6x_output_mi_thunk): Likewise.
3670         * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise.
3671         * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise.
3673         * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx)
3674         (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load)
3675         (cris_emit_movem_store, cris_trampoline_init): Likewise.
3676         * config/cris/cris.md: Likewise.
3678         * config/darwin.c (machopic_indirect_data_reference)
3679         (machopic_legitimize_pic_address): Likewise.
3681         * config/epiphany/epiphany.c (epiphany_emit_save_restore)
3682         (epiphany_expand_prologue, epiphany_expand_epilogue)
3683         (epiphany_trampoline_init): Likewise.
3684         * config/epiphany/epiphany.md: Likewise.
3686         * config/fr30/fr30.c (fr30_move_double): Likewise.
3688         * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue)
3689         (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx)
3690         (frv_index_memory, unspec_got_name, frv_find_base_term)
3691         (frv_output_dwarf_dtprel): Likewise.
3693         * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx)
3694         (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise.
3696         * config/i386/i386.h (RETURN_ADDR_RTX): Likewise.
3697         * config/i386/i386.c (setup_incoming_varargs_64)
3698         (setup_incoming_varargs_ms_64, choose_baseaddr)
3699         (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe)
3700         (ix86_emit_probe_stack_range, ix86_expand_prologue)
3701         (ix86_emit_restore_reg_using_pop, ix86_emit_leave)
3702         (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address)
3703         (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem)
3704         (ix86_static_chain, ix86_trampoline_init, x86_this_parameter)
3705         (x86_output_mi_thunk): Likewise.
3706         * config/i386/i386.md: Likewise.
3708         * config/ia64/ia64.c (ia64_expand_load_address)
3709         (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode)
3710         (do_spill, ia64_trampoline_init): Likewise.
3712         * config/iq2000/iq2000.c (iq2000_va_start)
3713         (iq2000_emit_frame_related_store, iq2000_expand_prologue)
3714         (iq2000_expand_eh_return, iq2000_setup_incoming_varargs)
3715         (iq2000_print_operand, iq2000_legitimize_address): Likewise.
3717         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
3719         * config/m32c/m32c.c (m32c_return_addr_rtx)
3720         (m32c_expand_insv): Likewise.
3722         * config/m32r/m32r.c (m32r_setup_incoming_varargs)
3723         (m32r_legitimize_pic_address, m32r_print_operand)
3724         (m32r_print_operand_address): Likewise.
3726         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
3727         * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise.
3728         (EH_RETURN_HANDLER_RTX): Likewise.
3729         * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue)
3730         (m68k_expand_epilogue, legitimize_pic_address)
3731         (m68k_output_mi_thunk): Likewise.
3732         * config/m68k/m68k.md: Likewise.
3734         * config/mcore/mcore.c (mcore_expand_prolog): Likewise.
3735         (mcore_expand_epilog): Likewise.
3736         * config/mcore/mcore.md: Likewise.
3738         * config/mep/mep.c (mep_allocate_initial_value)
3739         (mep_expand_prologue, mep_expand_epilogue): Likewise.
3741         * config/microblaze/microblaze.c (double_memory_operand)
3742         (microblaze_block_move_loop): Likewise.
3744         * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset)
3745         (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop)
3746         (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg)
3747         (mips_expand_prologue, mips_epilogue_set_cfa)
3748         (mips_expand_epilogue): Likewise.
3749         * config/mips/mips.md: Likewise.
3751         * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx)
3752         (mmix_expand_prologue, mmix_expand_epilogue): Likewise.
3754         * config/mn10300/mn10300.c (mn10300_gen_multiple_store)
3755         (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise.
3757         * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise.
3758         (EH_RETURN_HANDLER_RTX): Likewise.
3759         * config/moxie/moxie.c (moxie_static_chain): Likewise.
3761         * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address)
3762         (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg)
3763         (pa_return_addr_rtx, hppa_builtin_saveregs)
3764         (pa_trampoline_init): Likewise.
3765         * config/pa/pa.md: Likewise.
3767         * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise.
3769         * config/picochip/picochip.c (picochip_static_chain): Likewise.
3771         * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise.
3772         * config/rs6000/rs6000.c (rs6000_legitimize_address)
3773         (setup_incoming_varargs, print_operand, rs6000_return_addr)
3774         (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range)
3775         (rs6000_emit_epilogue)
3776         (rs6000_machopic_legitimize_pic_address): Likewise.
3778         * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3780         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise.
3781         (DYNAMIC_CHAIN_ADDRESS): Likewise.
3782         * config/s390/s390.c (s390_decompose_address, legitimize_pic_address)
3783         (s390_delegitimize_address, print_operand, annotate_constant_pool_refs)
3784         (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx)
3785         (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue)
3786         (s390_emit_epilogue, s390_function_profiler): Likewise.
3787         * config/s390/s390.md: Likewise.
3789         * config/score/score.c (score_add_offset, score_prologue): Likewise.
3791         * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs)
3792         (sh_output_mi_thunk): Likewise.
3793         * config/sh/sh.md: Likewise.
3795         * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX)
3796         (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise.
3797         * config/sparc/sparc.c (sparc_legitimize_pic_address)
3798         (sparc_emit_probe_stack_range, emit_save_or_restore_regs)
3799         (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx)
3800         (emit_and_preserve): Likewise.
3801         * config/sparc/sparc.md: Likewise.
3803         * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
3804         * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg)
3805         (spu_setup_incoming_varargs, ea_load_store_inline)
3806         (spu_expand_load): Likewise.
3808         * config/stormy16/stormy16.c (xstormy16_expand_prologue)
3809         (combine_bnp): Likewise.
3811         * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
3812         * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs)
3813         (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise.
3815         * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise.
3816         * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs)
3817         (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise.
3819         * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise.
3820         * config/v850/v850.md: Likewise.
3822         * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise.
3823         (EH_RETURN_HANDLER_RTX): Likewise.
3824         * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise.
3825         * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue)
3826         (print_operand_address, vax_trampoline_init): Likewise.
3828         * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr)
3829         (xtensa_function_value_regno_p): Likewise.
3831 2012-05-04  Andrew Pinski  <apinski@cavium.com>
3833         * expr.c (get_def_for_expr_class): New function.
3834         (convert_tree_comp_to_rtx): New function.
3835         (expand_cond_expr_using_cmove): New function.
3836         (expand_expr_real_2 <case COND_EXPR>): Call
3837         expand_cond_expr_using_cmove first and return if it succeeds.
3838         Remove the check for HAVE_conditional_move since we should have
3839         already converted it to a conditional move.
3840         * config/i386/i386.c (ix86_expand_int_movcc): Disallow comparison
3841         modes of DImode for 32bits and TImode.
3843 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
3845         PR other/29442
3846         * read-md.c (fprint_md_ptr_loc, fprint_c_condition): New functions.
3847         (print_md_ptr_loc, print_c_condition): Use them.
3848         * read-md.h (fprint_md_ptr_loc, fprint_c_condition): New prototypes.
3849         * genattrtab.c (attr_file_name, dfa_file_name, latency_file_name,
3850         attr_file, dfa_file, latency_file): New global variables.
3851         (write_attr_valueq, write_attr_set, write_attr_case, write_attr_value,
3852         write_upcase, write_indent, write_length_unit_log, write_test_expr,
3853         write_attr_get, write_insn_cases, write_eligible_delay,
3854         write_const_num_delay_slots): Accept FILE pointer and toss it around.
3855         Update all callers.
3856         (write_header, open_outfile, handle_arg): New funcions.
3857         (make_automaton_attrs): Write prototypes as extern to the output
3858         files.
3859         (main): Use init_rtx_reader_args_cb with handle_arg to take 3 file
3860         names from the command line.  Open the output files and write out
3861         internal functions for DFA functions to dfa_file_name, insn latency
3862         functions to latency_file_name, and everything else to attr_file.
3863         * Makefile.in (OBJS): Add insn-dfatab.o and insn-latencytab.o.
3864         (BACKEND): Build libbackend first.
3865         (MOSTLYCLEANFILES): Add insn-dfatab.c and insn-latencytab.c.
3866         (.PRECIOUS): Likewise.
3867         (insn-dfatab.o): New rule.
3868         (insn-latencytab.o): New rule.
3869         (simple_rtl_generated_c): Do not include insn-attrtab.c.
3870         (s-attrtab): New rule.
3872 2012-05-04  Steven Bosscher  <steven@gcc.gnu.org>
3874         * rtl.def (ATTR_FLAG): Remove probability indicating flags.
3875         * genattr.c (main): Remove ATTR_FLAG_likely, ATTR_FLAG_unlikely,
3876         ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely.
3877         * reorg.c (get_jump_flags): Do not set the removed flags.
3879         * doc/md.texi (attr_flag): Update for abovementioned changes.
3881 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
3883         PR target/53228
3884         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
3885         (TARGET_CMOV): Rename from TARGET_CMOVE.
3886         (TARGET_CMOVE): New define.
3887         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
3888         Do not set TARGET_CMOVE here.
3890 2012-05-04  Dodji Seketeli  <dodji@redhat.com>
3892         Enable -Wunused-local-typedefs when -Wall or -Wunused is on
3893         * opts.c (finish_options): Activate -Wunused-local-typedefs if
3894         -Wunused is activated.
3895         * doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
3897 2012-05-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3899         * config/s390/s390.md (*movmem_short, *clrmem_short)
3900         (*cmpmem_short): Move the mode check from the insn condition to
3901         the match_scratch.
3903 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3905         PR tree-optimization/52633
3906         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
3907         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
3908         (vect_recog_over_widening_pattern): Remove handling of code that was
3909         already detected as over-widening pattern.  Remove special handling
3910         of "unsigned" cases.  Instead, support general case of conversion
3911         of the shift result to another type.
3913 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3915         * tree-vect-patterns.c (vect_single_imm_use): New function.
3916         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
3917         (vect_recog_over_widening_pattern): Likewise.
3918         (vect_recog_widen_shift_pattern): Likewise.
3920 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
3922         * tree-vect-patterns.c (vect_same_loop_or_bb_p): New function.
3923         (vect_handle_widen_op_by_const): Use it instead of open-coding test.
3924         (vect_recog_widen_mult_pattern): Likewise.
3925         (vect_operation_fits_smaller_type): Likewise.
3926         (vect_recog_over_widening_pattern): Likewise.
3927         (vect_recog_widen_shift_pattern): Add to vect_same_loop_or_bb_p test.
3929 2012-05-04  Richard Guenther  <rguenther@suse.de>
3931         PR lto/50602
3932         * lto-wrapper.c (merge_and_complain): Complain about mismatches
3933         of -freg-struct-return and -fpcc-struct-return.
3934         (run_gcc): Pass through -freg-struct-return and -fpcc-struct-return
3935         from the input file options and ignore those from the link
3936         command line.
3938 2012-05-04  Richard Guenther  <rguenther@suse.de>
3940         PR tree-optimization/53168
3941         * tree-ssa-pre.c (phi_translate_1): Only handle type-punned
3942         memory reads when the result is a constant we can pun.
3944 2012-05-04  Richard Guenther  <rguenther@suse.de>
3946         * common.opt (flto-report): Do not mark as Optimization.
3948 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3950         PR target/48496
3951         * recog.c (constrain_operands): If extra constraints are present, also
3952         accept pseudo-registers with equivalent memory locations during reload.
3954 2012-05-04  Olivier Hainque  <hainque@adacore.com>
3956         * collect2.c (may_unlink_output_file): New global.
3957         (maybe_unlink): Honor it.
3958         * collect2.h: Add extern for it.
3959         * tlink.c (do_tlink): Set it to true if the link succeeded.
3961 2012-05-04  Olivier Hainque  <hainque@adacore.com>
3963         * gcc.c (eval_spec_function): Finalize/restore the current string
3964         obstack state as part of the context push/pop operations.
3966 2012-05-04  Bin Cheng  <bin.cheng@arm.com>
3968         PR rtl-optimization/52804
3969         * reload1.c (reload_reg_reaches_end_p): Check whether successor
3970         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
3971         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
3972         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
3973         RELOAD_FOR_OUTADDR_ADDRESS.
3975 2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3977         PR c++/24985
3978         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Show caret
3979         for macro expansion.
3981 2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3983         * flags.h (flag_permissive): Do not declare.
3984         * diagnostic.c (diagnostic_report_diagnostic): Handle fpermissive
3985         option specially.
3986         * toplev.c (flag_permissive): Do not define.
3987         * c-tree.h (system_header_p): Delete unused.
3989 2012-05-03  David S. Miller  <davem@davemloft.net>
3991         PR target/52684
3992         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
3993         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
3994         (sparc_emit_float_lib_cmp): Likewise.
3996 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
3998         PR target/53199
3999         * config/rs6000/rs6000.md (bswapdi splitters): If
4000         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
4001         default) is used, generate an alternate sequence that does not
4002         depend on using indexed addressing.
4004 2012-05-03  Jason Merrill  <jason@redhat.com>
4006         * gengtype.c (write_types): Fix warning message.
4007         (write_local): Likewise.
4009 2012-05-02  Jason Merrill  <jason@redhat.com>
4011         * dwarf2out.c (struct external_ref, build_local_stub): New.
4012         (hash_external_ref, external_ref_eq, lookup_external_ref): New.
4013         (optimize_external_refs, optimize_external_refs_1): New.
4014         (change_AT_die_ref): New.
4015         (clone_as_declaration): Add DW_AT_signature when cloning a declaration.
4016         (build_abbrev_table): Take the external refs hashtable.
4017         (output_comp_unit): Get it from optimize_external_refs and pass it in.
4019 2012-05-03  Jan Hubicka  <jh@suse.cz>
4021         PR middle-end/53093
4022         * tree-emutls.c (new_emutls_decl): Fix handling of aliases.
4024 2012-05-03  Jan Hubicka  <jh@suse.cz>
4026         PR middle-end/53106
4027         * ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.
4029 2012-05-03  Jason Merrill  <jason@redhat.com>
4031         * dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
4032         use_debug_types to discriminate the die_id union.
4033         (print_die, assign_symbol_names, copy_decls_walk): Likewise.
4034         (build_abbrev_table, output_die): Likewise.
4035         (prune_unused_types_walk_attribs): Likewise.
4036         (generate_type_signature, copy_declaration_context): Set it.
4037         (remove_child_or_replace_with_skeleton): Set it.
4038         (dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
4039         check use_debug_types.
4040         (dwarf2out_finish): Do break_out_includes after .debug_types.
4042 2012-05-03  Jason Merrill  <jason@redhat.com>
4044         * dwarf2out.c (modified_type_die): Use scope_die_for.
4045         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
4046         (uses_local_type_r, uses_local_type): New.
4047         (scope_die_for): Keep a type that uses a local type in local scope.
4048         Use get_context_die for namespace and type scope.
4050 2012-05-03  Jason Merrill  <jason@redhat.com>
4052         * config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
4053         pc thunk.
4054         * dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
4055         (dwarf2out_finish): Likewise.
4057 2012-05-03  Martin Jambor  <mjambor@suse.cz>
4059         * builtins.c (get_object_alignment_1): Return whether we can determine
4060         the alignment or conservatively assume byte alignment.  Return the
4061         alignment by reference.  Use get_pointer_alignment_1 for dereference
4062         alignment.
4063         (get_pointer_alignment_1): Return whether we can determine the
4064         alignment or conservatively assume byte alignment.  Return the
4065         alignment by reference.  Use get_ptr_info_alignment to get SSA name
4066         alignment.
4067         (get_object_alignment): Update call to get_object_alignment_1.
4068         (get_object_or_type_alignment): Likewise, fall back to type alignment
4069         only when it returned false.
4070         (get_pointer_alignment): Update call to get_pointer_alignment_1.
4071         * fold-const.c (get_pointer_modulus_and_residue): Update call to
4072         get_object_alignment_1.
4073         * ipa-prop.c (ipa_modify_call_arguments): Update call to
4074         get_pointer_alignment_1.
4075         * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
4076         of MEM_REF or TARGET_MEM_REF only when it returns false.
4077         * tree-ssa-ccp.c (get_value_from_alignment): Update call to
4078         get_object_alignment_1.
4079         (ccp_finalize): Use set_ptr_info_alignment.
4080         * tree.h (get_object_alignment_1): Update declaration.
4081         (get_pointer_alignment_1): Likewise.
4082         * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
4083         (dump_gimple_stmt): Likewise.
4084         * tree-flow.h (ptr_info_def): Updated comments of fields align and
4085         misalign.
4086         (get_ptr_info_alignment): Declared.
4087         (mark_ptr_info_alignment_unknown): Likewise.
4088         (set_ptr_info_alignment): Likewise.
4089         (adjust_ptr_info_misalignment): Likewise.
4090         * tree-ssa-address.c (copy_ref_info): Use new access functions to get
4091         and set alignment of SSA names.
4092         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
4093         mark_ptr_info_alignment_unknown.
4094         * tree-ssanames.c (get_ptr_info_alignment): New function.
4095         (mark_ptr_info_alignment_unknown): Likewise.
4096         (set_ptr_info_alignment): Likewise.
4097         (adjust_ptr_info_misalignment): Likewise.
4098         (get_ptr_info): Call mark_ptr_info_alignment_unknown.
4099         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
4100         Likewise.
4101         (bump_vector_ptr): Likewise.
4102         * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
4103         (vectorizable_store): Likewise.
4104         (vectorizable_load): Likewise.
4106 2012-05-03  Michael Matz  <matz@suse.de>
4108         * basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
4109         in front of basic_block_def.
4110         (struct basic_block_def): Make il.gimple the full struct, not a
4111         pointer.
4112         (__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.
4114         * cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple members.
4115         * gimple-iterator.c (gimple_stmt_iterator): Don't special case
4116         NULL il.gimple, which can't happen anymore.
4117         * gimple.h (bb_seq): il.gimple can't be NULL.
4118         (bb_seq_add): Ditto.
4119         (set_bb_seq): Adjust.
4120         (gsi_start_bb, gsi_last_bb): Tidy.
4121         * lto-streamer-in.c (make_new_block): Don't zero members that
4122         are zeroed already, don't allocate a gimple_bb_info.
4123         * tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
4124         (remove_bb): Clear all il.gimple members.
4125         (gimple_verify_flow_info): Adjust for flat il.gimple.
4126         * tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.
4128         * coretypes.h (const_gimple_seq): Remove typedef.
4129         * gimple.h (gimple_seq_first): Take gimple_seq.
4130         (gimple_seq_first_stmt): Ditto.
4131         (gimple_seq_last): Ditto.
4132         (gimple_seq_last_stmt): Ditto.
4133         (gimple_seq_empty_p): Ditto.
4135 2012-05-03  Richard Guenther  <rguenther@suse.de>
4137         * tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
4138         operations.
4139         (prune_clobbered_mems): Do it here.  Do not uselessly sort expressions.
4140         (compute_avail): Do not add possibly trapping operations to
4141         EXP_GEN if they might not be executed in the block.
4143 2012-05-03  Uros Bizjak  <ubizjak@gmail.com>
4145         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.
4147 2012-05-03  Steven Bosscher  <steven@gcc.gnu.org>
4149         * tree-switch-conversion.c (gen_inbound_check): Free post-dominance
4150         information as early as possible.  Update dominance info instead of
4151         discarding it.
4153 2012-05-03  Richard Guenther  <rguenther@suse.de>
4155         * tree-ssa-pre.c (debug_bitmap_sets_for): New function.
4156         (union_contains_value): Remove.
4157         (vro_valid_in_sets): Likewise.
4158         (op_valid_in_sets): New function.
4159         (valid_in_sets): Use op_valid_in_sets.
4160         (insert_into_preds_of_block): Move dumping ...
4161         (do_regular_insertion): ... here.
4162         (do_partial_partial_insertion): ... and here.  Dump that
4163         we've found a partial partial redundancy.
4164         (insert): Dump the current insert iteration.
4166 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
4168         PR plugins/53126
4169         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
4170         append program name to it and pass that as first argument
4171         to make_relative_prefix.  Always pass standard_libexec_prefix
4172         as last argument to make_relative_prefix.  If
4173         make_relative_prefix returns NULL, fall back to
4174         standard_libexec_prefix.
4176         PR debug/53174
4177         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
4178         removed.
4180         PR target/53187
4181         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
4182         mode, return that mode.
4184         PR target/53194
4185         * config/i386/i386-c.c (ix86_target_macros_internal): Don't
4186         define __ATOMIC_HLE_* macros here.
4187         (ix86_target_macros): But here, using cpp_define_formatted.
4189 2012-05-03  Richard Guenther  <rguenther@suse.de>
4191         PR tree-optimization/53144
4192         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
4193         Rename to ...
4194         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
4195         with SSA name values.
4196         (vn_reference_lookup_3): Adjust callers.
4198 2012-05-03  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
4200         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
4201         has_fma4 for AMD processors with both fma3 and fma4 support.
4203 2012-05-03  Kirill Yukhin  <kirill.yukhin@intel.com>
4205         PR target/53201
4206         * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
4207         "-mno-hle".
4209 2012-05-03  Michael Matz  <matz@suse.de>
4211         PR bootstrap/53197
4212         * tree-ssa-dse.c (dse_optimize_stmt): Take pointer to iterator.
4213         (dse_enter_block): Properly iterate the whole sequence even
4214         if the last statement was removed.
4216 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
4218         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
4219         unset flag_jump_tables.
4220         * stmt.c (expand_case): Remove special flag_pic case conditional
4221         on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.
4223 2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
4225         * common/config/s390/s390-common.c (s390_option_optimization_table):
4226         Enable -fsched-pressure using -fsched-pressure-algorithm=model by
4227         default when optimizing.
4229 2012-05-02  Martin Jambor  <mjambor@suse.cz>
4231         PR lto/52605
4232         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
4233         of a variable when the contect is a function.
4235 2012-05-02  Michael Matz  <matz@suse.de>
4237         * coretypes.h (gimple_seq, const_gimple_seq): Typedef as gimple.
4238         * gimple.h (struct gimple_seq_node_d, struct gimple_seq_d): Remove.
4239         (const_gimple_seq_node): Remove.
4240         (gimple_seq_node): Typedef as gimple.
4241         (struct gimple_statement_base): Add next and prev members,
4242         adjust all WORD markers in using structs.
4243         (union gimple_statement_d): Link via gsbase.next field for GC and PCH.
4244         (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
4245         gimple_seq_last_stmt): Adjust as gimple_seq, gimple_seq_node and
4246         gimple are the same.
4247         (gimple_seq_set_last, gimple_seq_set_first): Don't allocate
4248         gimple_seq, adjust.
4249         (gimple_init_singleton): New function.
4250         (gsi_start_1, gsi_last_1, gsi_end_p, gsi_one_before_end_p): Adjust.
4251         (gsi_next, gsi_prev): Adjust, handle prev cyclic list correctly.
4252         (gsi_stmt): Adjust.
4253         (gsi_stmt_ptr): Remove.
4254         (enum gimple_alloc_kind): Remove gimple_alloc_kind_seq member.
4256         * gimple-iterator.c (update_bb_for_stmts): Take last parameter
4257         again, adjust for above changes.
4258         (update_call_edge_frequencies): Adjust for above changes.
4259         (gsi_insert_seq_nodes_before): Rewrite for new data structure.
4260         (gsi_insert_seq_nodes_after): Ditto.
4261         (gsi_split_seq_after): Ditto.
4262         (gsi_set_stmt): Ditto.
4263         (gsi_split_seq_before): Ditto.
4264         (gsi_remove): Ditto.
4265         (gsi_insert_seq_before_without_update): Don't free sequence.
4266         (gsi_insert_seq_after_without_update): Ditto.
4267         (gsi_replace): Assert some more invariants.
4268         (gsi_insert_before_without_update, gsi_insert_after_without_update):
4269         Tidy.
4270         (gsi_for_stmt): Don't search for stmt.
4271         (gsi_insert_on_edge_immediate): Tidy.
4273         * gimple.c (gimple_alloc_k): Remove "sequences".
4274         (gimple_seq_cache): Remove.
4275         (gimple_alloc_stat): Make stmt a singleton sequence.
4276         (gimple_seq_alloc, gimple_seq_free): Remove.
4277         (gimple_assign_set_rhs_with_ops_1): Ensure new stmt is a singleton.
4278         (gimple_copy): Ditto.
4279         * gimplify.c (gimplify_cleanup_point_expr): Use gsi_set_stmt,
4280         create iterator from correct sequence.
4281         * tree-phinodes.c (make_phi_node): Make stmt a singleton.
4283 2012-05-02  Michael Matz  <matz@suse.de>
4285         * gimple.h (gimple_stmt_iterator <seq>): Make it be pointer to
4286         gimple_seq.
4287         (gimple_seq_set_last, gimple_seq_set_first): Take pointer to
4288         sequence, lazily allocate it.
4289         (bb_seq_addr): New function.
4290         (gsi_start_1): Rename from gsi_start, but take pointer to sequence.
4291         (gsi_start): Macro to wrap gsi_start_1 taking pointer of argument.
4292         (gsi_none): New function.
4293         (gsi_start_bb): Adjust.
4294         (gsi_last_1): Rename from gsi_last, but take pointer to sequence.
4295         (gsi_last): Macro to wrap gsi_last_1 taking pointer of argument.
4296         (gsi_last_bb): Adjust.
4297         (gsi_seq): Adjust.
4298         * tree-flow-inline.h (phi_nodes_ptr): New function.
4300         * gimple-iterator.c (gsi_insert_seq_nodes_before): Adjust to
4301         datastructure and interface change.
4302         (gsi_insert_seq_before_without_update): Ditto.
4303         (gsi_insert_seq_nodes_after): Ditto.
4304         (gsi_insert_seq_after_without_update): Ditto.
4305         (gsi_split_seq_after): Ditto, don't use gimple_seq_alloc.
4306         (gsi_split_seq_before): Ditto.
4307         (gsi_start_phis): Adjust.
4308         * tree-vect-loop.c (vect_determine_vectorization_factor): Use gsi_none.
4309         (vect_transform_loop): Ditto.
4310         * gimple.c (gimple_seq_add_stmt, gimple_seq_add_seq,
4311         gimple_seq_copy): Don't use gimple_seq_alloc.
4312         * gimplify.c (gimple_seq_add_stmt_without_update): Ditto.
4313         (gimplify_seq_add_seq): Ditto.
4314         * lto-streamer-in.c (make_new_block): Ditto.
4315         * tree-cfg.c (create_bb): Ditto.
4316         * tree-sra.c (initialize_parameter_reductions): Ditto.
4318 2012-05-02  Michael Matz  <matz@suse.de>
4320         * gimple.h (gimple_seq_first, gimple_seq_first_stmt, gimple_seq_last,
4321         gimple_seq_last_stmt, gimple_seq_set_last, gimple_seq_set_first,
4322         gimple_seq_empty_p, gimple_seq_alloc_with_stmt, bb_seq,
4323         set_bb_seq): Move down to after gimple_statement_d definition.
4325 2012-05-02  Michael Matz  <matz@suse.de>
4327         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
4328         gsi_replace_with_seq, instead of inserting itself.
4329         * gimple-iterator.c (gsi_replace_with_seq): New function.
4330         * tree-ssa-forwprop.c (forward_propagate_comparison): Take
4331         iterator instead of statement, advance it.
4332         (ssa_forward_propagate_and_combine): Adjust call to above.
4334 2012-05-02  Michael Matz  <matz@suse.de>
4336         * tree-phinodes.c (add_phi_node_to_bb): Tidy, don't use
4337         gimple_seq_alloc.
4338         * omp-low.c (finalize_task_copyfn): Don't use gimple_seq_alloc.
4339         * tree-nested.c (walk_gimple_omp_for): Ditto.
4340         * trans-mem.c (lower_transaction): Ditto.
4341         * tree-eh.c (do_return_redirection): Ditto.
4342         (do_goto_redirection): Ditto.
4343         (lower_try_finally_switch): Ditto.
4344         * gimplify.c (gimplify_stmt): Ditto.
4345         (gimplify_scan_omp_clauses): Ditto.
4346         (gimplify_omp_for): Ditto.
4347         (gimplify_function_tree): Ditto.
4348         * gimple-fold.c (gimplify_and_update_call_from_tree): Ditto.
4349         * tree-mudflap.c (mf_decl_cache_locals): Ditto.
4350         (mf_build_check_statement_for): Ditto.
4351         (mx_register_decls): Ditto.
4352         * graphite-sese-to-poly.c (remove_invariant_phi): Ditto,
4353         and don't use itertors to append.
4354         (insert_stmts): Ditto.
4355         (insert_out_of_ssa_copy): Ditto.
4356         (insert_out_of_ssa_copy_on_edge): Ditto.
4358 2012-05-02  Michael Matz  <matz@suse.de>
4360         * gimple.h (gimple_bind_body_ptr): New function.
4361         (gimple_bind_body): Use it.
4362         (gimple_catch_handler): Use gimple_catch_handler_ptr.
4363         (gimple_eh_filter_failure_ptr): New function.
4364         (gimple_eh_filter_failure): Use it.
4365         (gimple_eh_else_n_body_ptr): New function.
4366         (gimple_eh_else_n_body): Use it.
4367         (gimple_eh_else_e_body_ptr): New function.
4368         (gimple_eh_else_e_body): Use it.
4369         (gimple_try_eval_ptr): New function.
4370         (gimple_try_eval): Use it.
4371         (gimple_try_cleanup_ptr): New function.
4372         (gimple_try_cleanup): Use it.
4373         (gimple_wce_cleanup_ptr): New function.
4374         (gimple_wce_cleanup): Use it.
4375         (gimple_omp_body_ptr): New function.
4376         (gimple_omp_body): Use it.
4377         (gimple_omp_for_pre_body_ptr): New function.
4378         (gimple_omp_for_pre_body): Use it.
4379         (gimple_transaction_body_ptr): New function.
4380         (gimple_transaction_body): Use it.
4381         (gsi_split_seq_before): Adjust to return nothing and take pointer
4382         to sequence.
4383         (gsi_set_stmt): Declare.
4384         (gsi_replace_with_seq): Declare.
4385         (walk_gimple_seq_mod): Declare.
4386         * function.h (struct function <gimple_body>): Use typedef gimple_seq.
4388         * gimple-iterator.c (gsi_set_stmt): New function.
4389         (gsi_split_seq_before): Return new sequence via pointer argument.
4390         (gsi_replace): Use gsi_set_stmt.
4392         * tree-ssa-loop-im.c (move_computations_stmt): First remove
4393         then insert stmt.
4394         * tree-complex.c (update_complex_components_on_edge): Don't copy gsi.
4395         * tree-phinodes.c (resize_phi_node): Don't resize stmt in-place,
4396         return new stmt.
4397         (reserve_phi_args_for_new_edge): Change call to above,
4398         use gsi_set_stmt.
4400         * omp-low.c (lower_omp): Change prototype to take pointer to sequence.
4401         (lower_rec_input_clauses): Use gimple_seq_add_seq instead of
4402         iterators.  Adjust call to lower_omp.
4403         (lower_lastprivate_clauses): Adjust call to lower_omp.
4404         (lower_reduction_clauses): Ditto.
4405         (expand_omp_taskreg): Nullify non-cfg body of child_fn.
4406         (lower_omp_sections): Don't explicitely count sequence length,
4407         nullify lowered bodies earlier, ensure stmts are part of only
4408         one sequence, adjust call to lower_omp.
4409         (lower_omp_single): Ensure stmts are part of only one sequence,
4410         adjust call to lower_omp.
4411         (lower_omp_master): Ditto.
4412         (lower_omp_ordered): Ditto.
4413         (lower_omp_critical): Ditto.
4414         (lower_omp_for): Ditto.
4415         (lower_omp_taskreg): Ditto, tidy.
4416         (lower_omp_1): Adjust calls to lower_omp.
4417         (execute_lower_omp): Ditto.
4418         (lower_omp): Adjust to take pointer to sequence.
4419         (diagnose_sb_2): Use walk_gimple_seq_mod.
4420         (diagnose_omp_structured_block_errors): Ditto and set possibly
4421         changed function body.
4422         * gimple-low.c (lower_function_body): Set function body after
4423         it stabilizes.
4424         (lower_sequence): Adjust to take pointer to sequence.
4425         (lower_omp_directive): Ensure stmt isn't put twice into the
4426         sequence, adjust call to lower_sequence.
4427         (lower_stmt): Adjust calls to lower_sequence.
4428         (lower_gimple_bind): Ditto.
4429         (gimple_try_catch_may_fallthru): Call gsi_start with lvalue.
4430         * tree-nested.c (walk_body): Take pointer to sequence, use
4431         walk_gimple_seq_mod.
4432         (walk_function): Adjust call to walk_body, set possibly changed body.
4433         (walk_gimple_omp_for): Adjust calls to walk_body.
4434         (convert_nonlocal_omp_clauses): Ditto.
4435         (convert_nonlocal_reference_stmt): Ditto.
4436         (convert_local_omp_clauses): Ditto.
4437         (convert_local_reference_stmt): Ditto.
4438         (convert_tramp_reference_stmt): Ditto.
4439         (convert_gimple_call): Ditto.
4440         (convert_nl_goto_reference): Use local iterator copy.
4441         * gimple.c (walk_gimple_seq_mod): Renamed from walk_gimple_seq,
4442         but taking pointer to sequence, ensure gsi_start is called with
4443         callers lvalue.
4444         (walk_gimple_seq): New wrapper around walk_gimple_seq_mod,
4445         asserting that the sequence head didn't change.
4446         (walk_gimple_stmt): Replace all calls to walk_gimple_seq with
4447         walk_gimple_seq_mod.
4448         * trans-mem.c (lower_transaction): Use walk_gimple_seq_mod.
4449         (execute_lower_tm): Ditto, and set possibly changed body.
4450         * tree-eh.c (lower_eh_constructs_1): Take pointer to sequence,
4451         call gsi_start with that lvalue.
4452         (replace_goto_queue_stmt_list): Ditto.
4453         (replace_goto_queue_1): Adjust calls to replace_goto_queue_stmt_list.
4454         (replace_goto_queue): Ditto.
4455         (lower_try_finally_nofallthru): Adjust calls to lower_eh_constructs_1.
4456         (lower_try_finally_onedest): Ditto.
4457         (lower_try_finally_copy): Ditto.
4458         (lower_try_finally_switch): Ditto.
4459         (lower_try_finally): Ditto.
4460         (lower_eh_filter): Ditto.
4461         (lower_eh_must_not_throw): Ditto.
4462         (lower_cleanup): Ditto.
4463         (lower_eh_constructs_2): Ditto.
4464         (lower_catch): Ditto, and ensure gsi_start is called with lvalue.
4465         (lower_eh_constructs): Adjust calls to lower_eh_constructs_1, and
4466         set possibly changed body.
4467         (optimize_double_finally): Call gsi_start with lvalue.
4469         * tree-cfg.c (make_blocks): Adjust call to gsi_split_seq_before.
4470         (gimple_split_block): Ditto.
4471         (gimple_merge_blocks): Use gsi_start_phis.
4472         (move_stmt_r): Use walk_gimple_seq_mod.
4473         * tree-ssa-dse.c (dse_enter_block): Use gsi_last_bb.
4474         * cgraphbuild.c (build_cgraph_edges): Use gsi_start_phis.
4475         (rebuild_cgraph_edges): Ditto.
4476         (cgraph_rebuild_references): Ditto.
4477         * ipa-prop.c (ipa_analyze_params_uses): Ditto.
4478         * tree-inline.c (copy_phis_for_bb): Ditto.
4479         * tree-ssa-dce.c: Ditto.
4481         * cgraphunit.c (cgraph_analyze_function): Use gimple_has_body_p.
4483 2012-05-02  Kirill Yukhin  <kirill.yukhin@intel.com>
4484             Andi Kleen <ak@linux.intel.com>
4486         * coretypes.h (MEMMODEL_MASK): New.
4487         * builtins.c (get_memmodel): Add val. Call target.memmodel_check
4488         and return new variable.
4489         (expand_builtin_atomic_exchange):  Mask memmodel values.
4490         (expand_builtin_atomic_compare_exchange): Ditto.
4491         (expand_builtin_atomic_load): Ditto.
4492         (expand_builtin_atomic_store): Ditto.
4493         (expand_builtin_atomic_clear): Ditto.
4494         * doc/extend.texi: Mention port-dependent memory model flags.
4495         * config/i386/cpuid.h (bit_HLE): New.
4496         * config/i386/driver-i386.c (host_detect_local_cpu): Detect
4497         HLE support.
4498         * config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
4499         * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines.
4500         (ix86_target_string)<-mhle>: New.
4501         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
4502         * config/i386/i386.c (ix86_target_string) <OPTION_MASK_ISA_HLE>: New.
4503         (ix86_valid_target_attribute_inner_p) <OPT_mhle>: Ditto.
4504         (ix86_option_override_internal) <PTA_HLE>: New switch, set it
4505         enabled for generic, generic64 and core-avx2.
4506         (ix86_print_operand): Generate HLE lock prefixes.
4507         (ix86_memmodel_check): New.
4508         (TARGET_MEMMODEL_CHECK): Ditto.
4509         * config/i386/i386.h (OPTION_ISA_HLE): Ditto.
4510         (IX86_HLE_ACQUIRE): Ditto.
4511         (IX86_HLE_RELEASE): Ditto.
4512         * config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
4513         * config/i386/i386.opt (mhle): Ditto.
4514         * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
4515         success model to instruction emitter.
4516         (atomic_fetch_add<mode>): Ditto.
4517         (atomic_exchange<mode>): Ditto.
4518         (atomic_add<mode>): Ditto.
4519         (atomic_sub<mode>): Ditto.
4520         (atomic_<code><mode>): Ditto.
4521         (*atomic_compare_and_swap_doubledi_pic): Ditto.
4522         (atomic_compare_and_swap_single<mode>): Define and use argument
4523         for success model.
4524         (atomic_compare_and_swap_double<mode>): Ditto.
4525         * configure.ac: Check if assembler support HLE prefixes.
4526         * configure: Regenerate.
4527         * config.in: Ditto.
4529 2012-05-02  Steven Bosscher  <steven@gcc.gnu.org>
4531         PR middle-end/53153
4532         * gimplify.c (preprocess_case_label_vec_for_gimple): New function,
4533         split out from ...
4534         (gimplify_switch_expr): ... here.
4535         * gimple.h (preprocess_case_label_vec_for_gimple): Add prototype.
4536         * tree-ssa-forwprop.c (simplify_gimple_switch_label_vec): New function
4537         to clean up case labels with values outside the index type range.
4538         (simplify_gimple_switch): Call it if something changed.
4539         Remove strange and unnecessary assert.
4541 2012-05-02  Richard Guenther  <rguenther@suse.de>
4543         * fold-const.c (div_if_zero_remainder): sizetypes no longer
4544         sign-extend.
4545         (int_const_binop_1): New worker for int_const_binop with
4546         overflowable parameter.  Pass it through to force_fit_type_double.
4547         (int_const_binop): Wrap around int_const_binop_1 with overflowable
4548         equal to one.
4549         (size_binop_loc): Call int_const_binop_1 with overflowable equal
4550         to minus one, forcing overflow detection for even unsigned types.
4551         (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE special-casing.
4552         (fold_binary_loc): Call try_move_mult_to_index with signed offset.
4553         * stor-layout.c (initialize_sizetypes): sizetypes no longer
4554         sign-extend.
4555         (layout_type): For zero-sized arrays ignore overflow on the
4556         size calculations.
4557         * tree-ssa-ccp.c (bit_value_unop_1): Likewise.
4558         (bit_value_binop_1): Likewise.
4559         * tree.c (double_int_to_tree): Likewise.
4560         (double_int_fits_to_tree_p): Likewise.
4561         (force_fit_type_double): Likewise.
4562         (host_integerp): Likewise.
4563         (int_fits_type_p): Likewise.
4564         * varasm.c (output_constructor_regular_field): Sign-extend the
4565         field-offset to cater for negative offsets produced by the Ada
4566         frontend.
4567         * omp-low.c (extract_omp_for_data): Convert the loop step to
4568         signed for pointer adjustments.
4570 2012-05-02  Richard Guenther  <rguenther@suse.de>
4572         * tree.c (valid_constant_size_p): New function.
4573         * tree.h (valid_constant_size_p): Declare.
4574         * cfgexpand.c (expand_one_var): Adjust check for too large
4575         variables by using valid_constant_size_p.
4576         * varasm.c (assemble_variable): Likewise.
4578         * c-decl.c (grokdeclarator): Properly check for sizes that
4579         cover more than half of the address-space.
4581 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
4583         PR tree-optimization/53163
4584         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
4585         return value from compute_all_dependences.
4587         PR rtl-optimization/53160
4588         * ree.c (combine_reaching_defs): Handle the case where cand->insn
4589         has been modified by ree pass already.
4591 2012-05-01  Ian Lance Taylor  <iant@google.com>
4593         PR c/37303
4594         * c-decl.c (build_compound_literal): Make the decl readonly if it
4595         an array of a readonly type.
4596         * gimplify.c (gimplify_compound_literal_expr): Add fallback
4597         parameter.  Change all callers.  If the decl is not addressable
4598         and is not an l-value, make it readonly.
4600 2012-05-01  Bernd Schmidt  <bernds@codesourcery.com>
4602         * ira.c (allocated_reg_info_size): New static variable.
4603         (expand_reg_info): Manage it. Call
4604         setup_preferred_alternate_classes_for_new_pseudos.
4605         (ira): Don't do it here.  Remove local allocated_reg_info_size,
4606         set the global before calling find_moveable_pseudos.
4607         (find_moveable_pseudos): Call expand_reg_info rather than
4608         resize_reg_info.
4610 2012-05-01  Richard Henderson  <rth@redhat.com>
4612         * common.opt (fsync-libcalls): New.
4613         * doc/invoke.texi: Document it.
4614         * optabs.c (init_sync_libfuncs): Honor it.
4616 2012-05-01  Kenneth Zadeck  <zadeck@naturalbridge.com>
4617             Richard Sandiford  <r.sandiford@uk.ibm.com>
4619         PR rtl-optimization/52543
4620         * Makefile.in (lower-subreg.o, target-globals.o): Depend on
4621         lower-subreg.h.
4622         * lower-subreg.h: New file.
4623         * target-globals.h (this_target_lower_subreg): Declare.
4624         (target_globals): Add lower_subreg;
4625         (restore_target_globals): Restore this_target_lower_subreg.
4626         * target-globals.c: Include it.
4627         (default_target_globals): Add default_target_lower_subreg.
4628         (save_target_globals): Initialize target_lower_subreg.
4629         * rtl.h (init_lower_subreg): Added declaration.
4630         * toplev.c (backend_init_target): Call initializer for lower-subreg
4631         pass.
4632         * lower-subreg.c (LOG_COSTS, FORCE_LOWERING): New macros.
4633         (default_target_lower_subreg): New variable.
4634         (this_target_lower_subreg): Likewise.
4635         (twice_word_mode, choices): New macros.
4636         (shift_cost, compute_splitting_shift, compute_costs)
4637         (init_lower_subreg): New functions.
4638         (resolve_simple_move): Add speed_p argument.  Check choices.
4639         (find_pseudo_copy): Don't check the mode size here.
4640         (resolve_simple_move): Assert the mode size.
4641         (find_decomposable_shift_zext): Add speed_p argument and return
4642         a bool.  Check choices.
4643         (resolve_shift_zext): Add comment.
4644         (dump_shift_choices, dump_choices): New functions.
4645         (decompose_multiword_subregs): Dump list of profitable
4646         transformations.  Add code to skip non profitable transformations.
4647         Update calls to simple_move and find_decomposable_shift_zext.
4649 2012-05-01  Ian Bolton  <ian.bolton@arm.com>
4650             Sameera Deshpande  <sameera.deshpande@arm.com>
4651             Greta Yorsh  <greta.yorsh@arm.com>
4653         * config/arm/arm-protos.h (thumb_unexpanded_epilogue): Rename to...
4654         (thumb1_unexpanded_epilogue): ...this.
4655         * config/arm/arm.c (thumb_unexpanded_epilogue): Rename to...
4656         (thumb1_unexpanded_epilogue): ...this.
4657         * config/arm/arm.md (thumb_unexpanded_epilogue): Rename to...
4658         (thumb1_unexpanded_epilogue): ...this.
4660 2012-05-01  Richard Earnshaw  <rearnsha@arm.com>
4662         * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
4663         comparing enumeration values.  Update comments.
4665 2012-05-01  Alan Modra  <amodra@gmail.com>
4667         PR target/53038
4668         * config/rs6000/rs6000.c (load_lr_save, restore_saved_lr,
4669         load_cr_save, add_crlr_cfa_restore): New functions.
4670         (rs6000_restore_saved_cr): Rename to..
4671         (restore_saved_cr): ..this.  Add cfa_restore notes for cr.
4672         (rs6000_emit_epilogue): Use new functions.  Adjust condition
4673         for emitting lr and cr cfa_restore.  Emit cfa_restores for fp
4674         regs when using out-of-line restore only when shrink wrapping.
4676 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4678         PR middle-end/53136
4679         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
4680         calls to cgraph_node_name in xstrdup.
4681         (ipa_make_edge_direct_to_target): Ditto.
4682         * cgraph.c (dump_cgraph_node): Ditto.
4683         * tree-sra.c (convert_callers_for_node): Ditto.
4684         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
4685         * ipa-cp.c (perhaps_add_new_callers): Ditto.
4686         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
4687         (cgraph_materialize_all_clones): Ditto.
4688         * ipa-inline.c (report_inline_failed_reason): Ditto.
4689         (want_early_inline_function_p): Ditto.
4690         (edge_badness): Ditto.
4691         (update_edge_key): Ditto.
4692         (flatten_function): Ditto.
4693         (ipa_inline): Ditto.
4694         (inline_always_inline_functions): Ditto.
4695         (early_inline_small_functions): Ditto.
4697 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4699         PR target/53141
4700         * config/i386/i386.md (*umul<mode><dwi>3_1): Switch places of
4701         constraints 0 and 1.
4703 012-04-30  Jan Hubicka  <jh@suse.cz>
4705         * cgraph.c (ld_plugin_symbol_resolution_names): Move to symtab.c
4706         (cgraph_asm_nodes, cgraph_asm_last_node): Move to cgraphunit.c
4707         (cgraph_add_to_same_comdat_group): Remove.
4708         (cgraph_add_asm_node): Move to cgraphunit.c.
4709         (cgraph_make_decl_local): Move to symtab.c
4710         (cgraph_make_node_local_1): Update.
4711         (cgraph_can_remove_if_no_direct_calls_and): Update.
4712         (used_from_object_file_p): Update.
4713         (resolution_used_from_other_file_p): Move to symtab.c
4714         (cgraph_used_from_object_file_p): move to symtab.c
4715         (verify_cgraph_node): Verify same comdat groups.
4716         * cgraph.h (cgraph_asm_node): Rename to ...
4717         (asm_node): ... this one.
4718         (cgraph_asm_nodes): Rename to ...
4719         (asm_nodes): ... this one.
4720         (symtab_add_to_same_comdat_group): New function.
4721         (symtab_dissolve_same_comdat_group_list): New function.
4722         (symtab_used_from_object_file_p): Declare.
4723         (symtab_make_decl_local): Declare.
4724         (cgraph_add_to_same_comdat_group): Remove.
4725         (cgraph_add_asm_node): Remove.
4726         (cgraph_used_from_object_file_p, varpool_used_from_object_file_p):
4727         Remove.
4728         (cgraph_finalize_compilation_unit): Rename to ...
4729         (finalize_compilation_unit): ... this one.
4730         (cgraph_optimize): Rename to ....
4731         (compile): ... this one.
4732         (add_asm_node): Declare.
4733         (fixup_same_cpp_alias_visibility): Declare.
4734         (cgraph_make_decl_local): Remove.
4735         (varpool_assemble_pending_decls): Rename to ...
4736         (varpool_output_variables): ... this one.
4737         (varpool_remove_unreferenced_decls): Remove.
4738         * ipa-inline-transform.c (clone_inlined_nodes): Dissolve comdat groups.
4739         (preserve_function_body_p): Make static.
4740         * toplev.c (compile_file): Update comments; update.
4741         * cgraphunit.c: Update comments.
4742         (cgraph_expand_all_functions): Rename to ...
4743         (expand_all_functions): ... this one; update.
4744         (cgraph_mark_functions_to_output): Rename to ...
4745         (mark_functions_to_output): ... this one; cleanup.
4746         (cgraph_output_pending_asms): Remove prototype.
4747         (asm_nodes, asm_last_node): New static vars.
4748         (cgraph_process_new_functions): Update.
4749         (cgraph_reset_node): Cleanup; add comment.
4750         (cgraph_add_new_function): Update.
4751         (cgraph_output_pending_asms): Rename to ...
4752         (output_asm_statements): ... this one.
4753         (add_asm_node): New function.
4754         (fixup_same_cpp_alias_visibility): New function based on code
4755         in cgraph_analyze_function.
4756         (cgraph_analyze_function): Use it.
4757         (cgraph_order_sort): Update.
4758         (cgraph_output_in_order): Update.
4759         (cgraph_function_versioning): Update.
4760         (cgraph_optimize): Rename to ...
4761         (compile): ... this one; initialize streamer hooks here.
4762         (cgraph_finalize_compilation_unit): Rename to ...
4763         (finalize_compilation_unit): ... this one; do not initialize streamer
4764         hook here.
4765         * lto-streamer-out.c (lto_output_toplevel_asms): Update.
4766         * dwarf2out.c: Update ocmment.
4767         * optimize.c (maybe_clone_body): Use symtab_add_to_same_comdat_group.
4768         * method.c (use_thunk): Likewise.
4769         * semantics.c (maybe_add_lambda_conv_op): Likewise.
4770         * decl2.c (maybe_emit_vtables): Likewise.
4771         (cp_write_global_declarations): Use finalize_compilation_unit.
4772         * parser.c (cp_parser_asm_definition): Use add_asm_node.
4773         * lto-streamer-in.c (lto_input_toplevel_asms): Use add_asm_node
4774         * c-decl.c (c_write_global_declarations): Use
4775         finalize_compilation_unit.
4776         * langhooks.c (write_global_declarations): Update.
4777         * ipa.c (cgraph_externally_visible_p): Update.
4778         (dissolve_same_comdat_group_list): Remove.
4779         (function_and_variable_visibility): Update.
4780         * symtab.c: Inlcude lto-streamer.h and rtl.h
4781         (ld_plugin_symbol_resolution_names): New.
4782         (symtab_add_to_same_comdat_group): New.
4783         (symtab_dissolve_same_comdat_group_list): New.
4784         (resolution_used_from_other_file_p): Move here from cgraph.c
4785         (symtab_used_from_object_file_p): New.
4786         (symtab_make_decl_local): New.
4787         * passes.c (register_pass): Update comments.
4788         * c-parser.c (c_parser_asm_definition): Update.
4789         * varpool.c (varpool_analyze_node): Use
4790         fixup_same_cpp_alias_visibility.
4791         (varpool_remove_unreferenced_decls): Make static.
4792         (varpool_assemble_pending_decls): Rename to ...
4793         (varpool_output_variables): ... this one; call
4794         varpool_remove_unreferenced_decls.
4795         (varpool_used_from_object_file_p): Remove.
4797 2012-04-30  Marc Glisse  <marc.glisse@inria.fr>
4799         PR c++/51033
4800         * c-typeck.c (build_array_ref): Call
4801         convert_vector_to_pointer_for_subscript.
4802         * doc/extend.texi (Vector Extensions): Subscripting not just for C.
4804 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4806         * config/i386/i386.md (and<mode>3): Change runtime operand mode checks
4807         to compile-time "mode == <MODE>mode" checks.
4808         (and splitter): Ditto.
4810 2012-04-30  Richard Henderson  <rth@redhat.com>
4812         * config/arm/arm.md (UNSPEC_LL): New.
4813         * config/arm/sync.md (atomic_loaddi, atomic_loaddi_1): New.
4814         (arm_load_exclusivedi): Use %H0.
4816 2012-04-30  Jason Merrill  <jason@redhat.com>
4818         * dwarf2out.c (comdat_symbol_id): Add const.
4819         (union die_symbol_or_type_node): Add const to die_symbol.
4820         (output_die_symbol, output_die, output_comp_unit): Adjust.
4822 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
4824         * config/arm/arm.md (negdi2): Use gen_negdi2_neon.
4825         * config/arm/neon.md (negdi2_neon): New insn.
4826         Also add splitters for core and NEON registers.
4828 2012-04-30  Andrew Stubbs  <ams@codesourcery.com>
4830         * config/arm/arm.c (neon_valid_immediate): Allow const_int.
4831         (arm_print_operand): Add 'x' format.
4832         * config/arm/constraints.md (Dn): Allow const_int.
4833         * config/arm/neon.md (neon_mov<mode>): Use VDX to allow DImode.
4834         Use 'x' format to print constants.
4835         * config/arm/predicates.md (imm_for_neon_mov_operand): Allow const_int.
4836         * config/arm/vfp.md (movdi_vfp): Disable for const_int when neon
4837         is enabled.
4838         (movdi_vfp_cortexa8): Likewise.
4840 2012-04-30  Ian Bolton  <ian.bolton@arm.com>
4841             Sameera Deshpande  <sameera.deshpande@arm.com>
4842             Greta Yorsh  <greta.yorsh@arm.com>
4844         * config/arm/arm-protos.h (ldm_stm_operation_p): New declaration.
4845         * config/arm/arm.c (ldm_stm_operation_p): New function.
4846         * config/arm/predicates.md (load_multiple_operation): Update predicate.
4847         (store_multiple_operation): Likewise.
4849         * config/arm/arm-protos.h (ldm_stm_operation_p): New parameters.
4850         * config/arm/arm.c (ldm_stm_operation_p): New parameters.
4851         * config/arm/predicates.md (load_multiple_operation): Add arguments.
4852         (store_multiple_operation): Likewise.
4854 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
4856         * config/i386/i386.md (and<mode>3): Expand masking operations with
4857         0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
4858         (and splitter): Split to DImode zero_extend RTX for DImode operand[0].
4860 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
4862         Add -Wvarargs option
4863         * builtins.c (fold_builtin_next_arg):  Use OPT_Wvarargs as an
4864         argument for the various warning_at calls.
4865         * docs/invoke.texi: Update the documentation.
4867 2012-04-30  Dodji Seketeli  <dodji@redhat.com>
4869         Switch -ftrack-macro-expansion=2 on by default.
4870         * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2
4871         by default.
4873         Fix va_start related location
4874         * builtins.c (fold_builtin_next_arg): Unwinds to the first
4875         location in real source code.
4877         Make conversion warnings work on NULL with -ftrack-macro-expansion
4878         * input.h (expansion_point_location_if_in_system_header): Declare
4879         new function.
4880         * input.c (expansion_point_location_if_in_system_header): Define it.
4882         Fix -Wuninitialized for -ftrack-macro-expansion
4883         * tree-ssa.c (warn_uninit): Use the spelling location of the variable
4884         declaration.  Use linemap_location_before_p for source locations.
4886         Strip "<built-in>" loc from displayed expansion context
4887         * input.c (expand_location_1): When expanding to spelling location
4888         in a context of a macro expansion, skip reserved system header
4889         locations.  Update comments.  * tree-diagnostic.c
4890         (maybe_unwind_expanded_macro_loc): Likewise.
4892         Make expand_location resolve to locus in main source file
4893         * input.c (expand_location_1): New.  Takes a parameter to choose
4894         whether to resolve the location to spelling or expansion point.
4895         Was factorized from ...
4896         (expand_location): ... here.
4897         (expand_location_to_spelling_point): New.  Implemented in terms of
4898         expand_location_1.
4899         * diagnostic.c (diagnostic_build_prefix): Use the new
4900         expand_location_to_spelling_point instead of expand_location.
4902         Fix PCH crash on GTYed pointer-to-scalar field of a struct
4903         * gengtype.c (write_types_process_field): Force second argument of
4904         the call to the PCH object hierarchy walker to be 'x'.
4906 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
4908         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
4909         predicate to discriminate types.
4911 2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4913         * doc/invoke.texi (Wmissing-format-attribute): Document as an
4914         alias of Wsuggest-attribute=format.
4915         * c-typeck.c (convert_for_assignment): Replace
4916         Wmissing-format-attribute with Wsuggest-attribute=format.
4917         (digest_init): Likewise.
4919 2012-04-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4921         * opts.c (finish_options): Do not handle -Wmissing-noreturn here.
4922         * common.opt (Wmissing-noreturn): Alias of
4923         -Wsuggest-attribute=noreturn.
4925 2012-04-29  Hans-Peter Nilsson  <hp@axis.com>
4927         PR target/53156
4928         * config/cris/cris.md (andqu): New peephole2.
4929         (andu): Tweak head comment.
4931 2012-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4932             Steven Bosscher  <steven@gcc.gnu.org>
4933             Maxim Kuvyrkov  <maxim@codesourcery.com>
4935         PR tree-optimization/38785
4936         * common.opt (ftree-partial-pre): New option.
4937         * doc/invoke.texi: Document it.
4938         * opts.c (default_options_table): Initialize flag_tree_partial_pre.
4939         * tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
4940         benefit speed path.
4941         (execute_pre): Use flag_tree_partial_pre.
4943 2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4945         PR target/52999
4946         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
4947         in constant pool.
4949 2012-04-27  Ollie Wild  <aaw@google.com>
4951         * doc/invoke.texi (Wliteral-suffix): Document new option.
4953 2012-04-27  Tom Tromey  <tromey@redhat.com>
4955         * dwarf2out.c (dwarf_stack_op_name): Use get_DW_OP_name.
4956         (dwarf_tag_name): Use get_DW_TAG_name.
4957         (dwarf_attr_name): Use get_DW_AT_name.
4958         (dwarf_form_name): Use get_DW_FORM_name.
4959         * dwarf2cfi.c (dwarf_cfi_name): Use get_DW_CFA_name.
4961 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
4963         * tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
4964         arguments are -1 and 0, by negating the result of the conditional.
4966 2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
4968         PR target/53138
4969         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
4971 2012-04-27  Richard Guenther  <rguenther@suse.de>
4973         * tree-flow.h (is_hidden_global_store): Remove.
4974         * tree-ssa-sink.c (is_hidden_global_store): Likewise.
4975         * tree-ssa-alias.h (ref_may_alias_global_p): Declare.
4976         (stmt_may_clobber_global_p): Likewise.
4977         * tree-ssa-alias.c (ref_may_alias_global_p): New function.
4978         (stmt_may_clobber_global_p): Likewise.
4979         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call
4980         stmt_may_clobber_global_p.
4981         * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise.
4983 2012-04-27  Steven Bosscher  <steven@gcc.gnu.org>
4985         * cfg.c (disconnect_src): Do df_mark_solutions_dirty in the right
4986         place.
4988         * tree-switch-conversion.c (struct switch_conv_info): Add range_max,
4989         reorganize some fields and update comments.  Rename bit_test_uniq
4990         and bit_test_count to uniq resp. count.  Remove bit_test_bb.
4991         (collect_switch_conv_info): New function, collects info about a
4992         GIMPLE_SWITCH into a struct switch_conv_info.
4993         (check_range): Simplify to use pre-recorded info.  Fix think-o in
4994         range-branch ratio check.
4995         (check_process_case): Remove function.
4996         (check_all_empty_except_final): New function, verifies that all
4997         non-final basic blocks are empty.
4998         (process_switch): Simplify to use pre-recorded info.  Call
4999         collect_switch_conv_info to do that.  Assert that degenerate switch
5000         statements have been cleaned up.
5002 2012-04-27  Marc Glisse  <marc.glisse@inria.fr>
5004         PR middle-end/27139
5005         * tree-ssa-forwprop.c (combine_conversions): Handle INT->FP->INT.
5007 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5009         PR c/53130
5010         * c-typeck.c (pop_init_level): Use %qD instead of %qT.
5012 2012-04-27  Tom de Vries  <tom@codesourcery.com>
5014         PR tree-optimization/51879
5015         * tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
5016         * tree-ssa-sccvn.c (mark_use_processed): New function, factored out
5017         of ...
5018         (defs_to_varying): ... here.  Don't set use_processed.
5019         (visit_reference_op_call): Handle gimple_vdef.
5020         Handle case that lhs is NULL_TREE.
5021         (visit_use): Use mark_use_processed.  Handle calls with side-effect
5022         using visit_reference_op_call.
5024 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
5026         * sched-deps.c (fixup_sched_groups): Rename to...
5027         (chain_to_prev_insn): ...this.
5028         (chain_to_prev_insn_p): New function.
5029         (deps_analyze_insn): Use it instead of SCHED_GROUP_P.
5031 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
5033         * sched-int.h (_haifa_insn_data): Move priority_status.
5034         Add model_index.
5035         (INSN_MODEL_INDEX): New macro.
5036         * haifa-sched.c (insn_delay): New function.
5037         (sched_regno_pressure_class): Update commentary.
5038         (mark_regno_birth_or_death): Pass the liveness bitmap and
5039         pressure array as arguments, instead of using curr_reg_live and
5040         curr_reg_pressure.  Only update the pressure if the bit in the
5041         liveness set has changed.
5042         (initiate_reg_pressure_info): Always trust the live-in set for
5043         SCHED_PRESSURE_MODEL.
5044         (initiate_bb_reg_pressure_info): Update call to
5045         mark_regno_birth_or_death.
5046         (dep_list_size): Take the list as argument.
5047         (calculate_reg_deaths): New function, extracted from...
5048         (setup_insn_reg_pressure_info): ...here.
5049         (MODEL_BAR): New macro.
5050         (model_pressure_data, model_insn_info, model_pressure_limit)
5051         (model_pressure_group): New structures.
5052         (model_schedule, model_worklist, model_insns, model_num_insns)
5053         (model_curr_point, model_before_pressure, model_next_priority):
5054         New variables.
5055         (MODEL_PRESSURE_DATA, MODEL_MAX_PRESSURE, MODEL_REF_PRESSURE)
5056         (MODEL_INSN_INFO, MODEL_INSN): New macros.
5057         (model_index, model_update_limit_points_in_group): New functions.
5058         (model_update_limit_points, model_last_use_except): Likewise.
5059         (model_start_update_pressure, model_update_pressure): Likewise.
5060         (model_recompute, model_spill_cost, model_excess_group_cost): Likewise.
5061         (model_excess_cost, model_dump_pressure_points): Likewise.
5062         (model_set_excess_costs): Likewise.
5063         (rank_for_schedule): Extend SCHED_PRIORITY_WEIGHTED ordering to
5064         SCHED_PRIORITY_MODEL.  Use insn_delay.  Use the order in the model
5065         schedule as an alternative tie-breaker.  Update the call to
5066         dep_list_size.
5067         (ready_sort): Call model_set_excess_costs.
5068         (update_register_pressure): Update call to mark_regno_birth_or_death.
5069         Rely on that function to check liveness rather than doing it here.
5070         (model_classify_pressure, model_order_p, model_add_to_worklist_at)
5071         (model_remove_from_worklist, model_add_to_worklist, model_promote_insn)
5072         (model_add_to_schedule, model_analyze_insns, model_init_pressure_group)
5073         (model_record_pressure, model_record_pressures): New functions.
5074         (model_record_final_pressures, model_add_successors_to_worklist)
5075         (model_promote_predecessors, model_choose_insn): Likewise.
5076         (model_reset_queue_indices, model_dump_pressure_summary): Likewise.
5077         (model_start_schedule, model_finalize_pressure_group): Likewise.
5078         (model_end_schedule): Likewise.
5079         (schedule_insn): Say when we're scheduling the next instruction
5080         in the model schedule.
5081         (schedule_insn): Handle SCHED_PRESSURE_MODEL.
5082         (queue_to_ready): Do not add instructions that are
5083         MAX_SCHED_READY_INSNS beyond the current point of the model schedule.
5084         Always allow the next instruction in the model schedule to be added.
5085         (debug_ready_list): Print the INSN_REG_PRESSURE_EXCESS_COST_CHANGE
5086         and delay for SCHED_PRESSURE_MODEL too.
5087         (prune_ready_list): Extend SCHED_PRIORITY_WEIGHTED handling to
5088         SCHED_PRIORITY_MODEL, but also take the DFA into account.
5089         (schedule_block): Call model_start_schedule and model_end_schedule.
5090         Extend SCHED_PRIORITY_WEIGHTED stall handling to SCHED_PRIORITY_MODEL.
5091         (sched_init): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
5092         to SCHED_PRESSURE_MODEL, but don't allocate saved_reg_live or
5093         region_ref_regs.
5094         (sched_finish): Update accordingly.
5095         (fix_tick_ready): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
5096         to SCHED_PRESSURE_MODEL.
5097         (add_jump_dependencies): Update call to dep_list_size.
5098         (haifa_finish_h_i_d): Fix leak of max_reg_pressure.
5099         (haifa_init_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE handling
5100         to SCHED_PRESSURE_MODEL.
5101         * sched-deps.c (init_insn_reg_pressure_info): Likewise, but don't
5102         allocate INSN_MAX_REG_PRESSURE for SCHED_PRESSURE_MODEL.
5103         (sched_analyze_insn): Extend INSN_REG_PRESSURE_EXCESS_COST_CHANGE
5104         handling to SCHED_PRESSURE_MODEL.
5106 2012-04-26  Richard Sandiford  <richard.sandiford@linaro.org>
5108         * common.opt (fsched-pressure-algorithm=): New option.
5109         * flag-types.h (sched_pressure_algorithm): New enum.
5110         * sched-int.h (sched_pressure_p): Replace with...
5111         (sched_pressure): ...this new variable.
5112         * haifa-sched.c (sched_pressure_p): Replace with...
5113         (sched_pressure): ...this new variable.
5114         (sched_regno_pressure_class, rank_for_schedule, ready_sort)
5115         (update_reg_and_insn_max_reg_pressure, schedule_insn)
5116         (debug_ready_list, prune_ready_list, schedule_block, sched_init)
5117         (sched_finish, fix_tick_ready, haifa_init_insn): Update accordingly.
5118         * sched-deps.c (init_insn_reg_pressure_info): Likewise.
5119         (sched_analyze_insn): Likewise.
5120         * sched-rgn.c (schedule_region): Likewise.
5121         * config/m68k/m68k.c (m68k_sched_variable_issue): Likewise.
5123 2012-04-26  Bernd Schmidt  <bernds@codesourcery.com>
5125         * PR middle-end/52997
5126         * ira.c (find_moveable_pseudos): Call resize_reg_info.
5128         PR middle-end/52940
5129         * machmode.h (CLASS_HAS_WIDER_MODES_P): True for MODE_PARTIAL_INT.
5130         * expr.c (convert_move): Honor unsignedp when extending partial int
5131         modes.
5132         * genmodes.c (complete_mode): Don't clear component field of partial
5133         int modes.
5134         (emit_mode_inner): Don't emit it however.
5135         (calc_wider_mode): Partial int modes widen to their component.
5137 2012-04-26  David S. Miller  <davem@davemloft.net>
5139         * config/sparc/niagara4.md: New file.
5140         * config/sparc/sparc.md: Include it.
5141         * config/sparc/sparc.c (niagara4_costs): New processor costs.
5142         (sparc_option_override): Use it.
5143         (sparc_use_sched_lookahead): Return 2 for niagara4.
5144         (sparc_issue_rate): Likewise.
5146         * config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
5147         (fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
5148         (fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
5149         fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
5150         (alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
5151         alignaddrldi_vis): Set type to gsr.
5152         (pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
5153         (fcmp<code><GCM:gcm_name><P:mode>_vis, cmask8<P:mode>_vis,
5154         cmask16<P:mode>_vis, cmask32<P:mode>_vis, fchksm16_vis,
5155         v<vis3_shift_patname><mode>3, fmean16_vis,
5156         fp<plusminus_insn>64_vis, <vis3_addsub_ss_patname><mode>3,
5157         fucmp<code>8<P:mode>_vis): Set type to fga.
5158         * config/sparc/ultra1_2.md: Remove refrences to fgm_cmp.
5159         * config/sparc/niagara.md: Likewise.
5160         * config/sparc/niagara2.md: Likewise.
5161         * config/sparc/ultra3.md: Likewise, and fix type matching for
5162         us3_ialuX reservation.
5164 2012-04-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5166         * reload.c (find_reloads): Change the loop nesting when trying an
5167         alternative with swapped operands.
5169 2012-04-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5171         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Fix
5172         comment. Delete unused parameter first_exp_point_map.
5173         (virt_loc_aware_diagnostic_finalizer): Update call.
5175 2012-04-26  Michael Hope  <michael.hope@linaro.org>
5176             Richard Earnshaw  <rearnsha@arm.com>
5178         * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
5179         (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
5180         (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
5181         (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.
5183 2012-04-25  Sriraman Tallam  <tmsriram@google.com>
5185         * doc/extend.texi: Document avx2 support.
5186         * config/i386/i386.c (fold_builtin_cpu): Add avx2.
5188 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
5190         PR target/53120
5191         * config/cris/cris.md ("*andhi_lowpart_v32")
5192         ("*andqi_lowpart_v32"): Change first input-only operand from
5193         a (match_operand ...) to (match_dup 0).  Drop alternatives with
5194         const_int-matching constraints for redundancy.
5195         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
5196         three-operand alternative.
5198 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
5200         PR target/53110
5201         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
5202         instead expand it as zero extension.
5204 2012-04-25  H.J. Lu  <hongjiu.lu@intel.com>
5206         PR debug/52857
5207         * dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
5209 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
5211         * common.opt (flag_debug_types_section): Default to 0.
5212         (dwarf_version): Default to 4.
5213         (dwarf_record_gcc_switches): Default to 1.
5214         (dwarf_strict): Default to 0.
5215         * toplev.c (process_options): Don't handle dwarf_strict
5216         or dwarf_version here.
5217         * config/vxworks.c (vxworks_override_options): Don't
5218         test whether dwarf_strict or dwarf_version are negative,
5219         instead test !global_options_set.x_dwarf_*.
5220         * config/darwin.c (darwin_override_options): Default to
5221         dwarf_version 2.
5222         * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
5223         and -fno-debug-types-section are now the default.
5225 2012-04-25  Jan Hubicka  <jh@suse.cz>
5227         * cgraphunit.c: Update toplevel comment.
5228         (tree_rest_of_compilation): Merge into cgraph_expand_function.
5229         (cgraph_analyze_function): Make static.
5230         (cgraph_decide_is_function_needed): Make static.
5231         (cgraph_add_new_function): Use expand_function instead of
5232         rest_of_compilation.
5233         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
5234         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
5235         Move to cgraph.c
5236         (cgraph_inline_p): Remove.
5237         (cgraph_preserve_function_body_p): Move to ipa-inline-transform.
5238         (init_cgraph): Add comment.
5239         * cgraphbuild.c (record_reference, mark_address, mark_load,
5240         mark_store): Do not call analyze_expr hook.
5241         * cgraph.c: Update toplevel comment.
5242         (clone_of_p, verify_edge_count_and_frequency, cgraph_debug_gimple_stmt,
5243         verify_edge_corresponds_to_fndecl, verify_cgraph_node, verify_cgraph):
5244         Move fere from cgraphunit.c
5245         (cgraph_mark_force_output_node): Move to cgraph.h
5246         * cgraph.h: Reorder so the comments match the function placement.
5247         (cgraph_analyze_function, cgraph_decide_is_function_needed): Remove.
5248         (cgraph_mark_force_output_node): Move here from cgraph.c
5249         * tree.c (free_lang_data): Do not clear analyze_expr hook.
5250         * ipa-inline-transform.c (preserve_function_body_p): New function.
5251         (inline_transform): Update.
5252         * langhooks.c (lhd_callgraph_analyze_expr): Remove.
5253         * langhooks.h (lang_hooks_for_callgraph): Remove.
5254         (lang_hooks): Remove callgraph.
5255         * tree-inline.c (expand_call_inline): Do not use cgraph_inline_p.
5256         * varpool.c: Remove out of date comment.
5257         * langhooks-def.h (lhd_callgraph_analyze_expr): Remove.
5258         (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
5260 2012-04-25  Jan Hubicka  <jh@suse.cz>
5262         PR middle-end/53089
5263         * cgraphunit.c (referred_to_p): Move ahead in file to avoid
5264         forward declaration.
5265         (cgraph_finalize_function): Finalize them here.
5266         * symtab.c (dump_symtab): Dump ctors and dtors.
5268 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
5270         PR middle-end/52979
5271         * stor-layout.c (get_best_mode): Don't return mode with bitsize
5272         larger than maxbits.  Don't compute maxbits modulo align.
5273         Also check that unit bytes long store at bitpos / unit * unit
5274         doesn't affect bits beyond bitregion_end.
5275         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
5276         would not fit into bitregion_start ... bitregion_end + 1 bit region.
5277         (store_split_bit_field): Decrease unit close to end of bitregion_end
5278         if access is restricted in order to avoid mutual recursion.
5280         PR tree-optimization/53058
5281         * double-int.h (double_int_max_value, double_int_min_value): New
5282         prototypes.
5283         * double-int.c (double_int_max_value, double_int_min_value): New
5284         functions.
5285         * tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
5286         or GT_EXPR with double_int_max_value instead of double_int_mask.
5288 2012-04-25  Richard Guenther  <rguenther@suse.de>
5290         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5291         * tree-vect-loop.c (vect_transform_loop): Adjust.
5292         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
5293         the maximum number of iterations for the epilogue loop.
5294         (vect_loop_versioning): Remove case re-using the peeled epilogue loop.
5296 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
5298         PR c/52880
5299         * c-typeck.c (set_nonincremental_init,
5300         set_nonincremental_init_from_string): Pass true instead of false
5301         as IMPLICIT to add_pending_init.
5303 2012-04-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5305         * c-typeck.c (pop_init_level): Improve diagnostics.
5307 2012-04-25  Uros Bizjak  <ubizjak@gmail.com>
5309         * compare-elim.c (try_eliminate_compare): Also handle operands with
5310         implicit extensions.
5312 2012-04-25  Alan Modra  <amodra@gmail.com>
5314         * config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
5315         V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
5316         SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
5317         (no_global_regs_above): Delete.
5318         (no_global_regs): New function.
5319         (rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
5320         value for load multiple test.
5321         (savres_routine_syms): Increase size.
5322         (rs6000_savres_routine_name, rs6000_savres_routine_sym,
5323         ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
5324         rather than a number of boolean flags.  Update all callers.
5325         (rs6000_savres_routine_name): Generate vector save/restore names.
5326         (rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
5327         (ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
5328         (rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
5329         and using_store_multiple.  Expand uses.  Don't always use r11 as
5330         frame reg when needed for out-of-line saves.  Set up initial offset
5331         for out-of-line vector saves when buying stack frame.  Handle pointer
5332         reg setup for out-of-line fp save.  Emit call to out-of-line vector
5333         save function.  Choose r11 or r12 for vrsave reg when available for
5334         better scheduling.
5335         (rs6000_output_function_prologue): Don't emit .extern for ELF.
5336         (rs6000_emit_epilogue): Choose a better frame reg when restoring
5337         from back-chain to suit out-of-line vector restore functions.  Emit
5338         call to out-of-line vector restore function.  Adjust register used
5339         for cr restore.  Tweak pointer register setup for gpr restore.
5340         * config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
5341         FIXED_R13.
5342         * config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
5343         (V_SAVE_INLINE): Define.
5344         * config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
5346 2012-04-25  Alan Modra  <amodra@gmail.com>
5348         * config/rs6000/rs6000.c (rs6000_savres_strategy): Allow
5349         out-of-line save/restore for large frames.  Don't disable
5350         out-of-line saves on ABI_AIX when using static chain reg.
5351         (rs6000_emit_prologue): Adjust cr_save_regno on ABI_AIX to not
5352         clobber static chain reg, and tweak for out-of-line gpr saves
5353         that use r1.
5355 2012-04-25  Alan Modra  <amodra@gmail.com>
5357         * config/rs6000/rs6000.c (START_USE, END_USE, NOT_INUSE): Define.
5358         (rs6000_emit_prologue): Use the above to catch register overlap.
5360 2012-04-25  Alan Modra  <amodra@gmail.com>
5362         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete forward
5363         decl.  Move logic selecting update reg to callers.  Update all callers.
5364         (rs6000_emit_allocate_stack): Add copy_off param.
5365         (emit_frame_save): Don't handle reg+reg addressing.
5366         (ptr_regno_for_savres): New function, extracted from..
5367         (rs6000_emit_savres_rtx): ..here.  Add lr_offset param.
5368         (rs6000_emit_prologue): Generate frame_ptr_rtx as we need it.
5369         Set frame_reg_rtx to r11 whenever r11 is needed, and merge
5370         frame offset adjustment for out-of-line save with copy from sp.
5371         Simplify condition controlling whether cr is saved early or
5372         late.  Use ptr_regno_for_savres to verify correct reg is set
5373         up for out-of-line saves.  Pass the actual pointer reg used to
5374         rs6000_emit_savres_rtx so rtl matches insns in out-of-line
5375         function.  Rearrange spe vars so code is similar to that
5376         elsewhere in this function.  Don't update frame_off when spe
5377         save code will restore r11.  Use emit_frame_save for spe and
5378         gpr saves.  Consolidate darwin out-of-line gpr setup with that
5379         for other abis.  Don't assume frame_offset is zero and frame
5380         reg is sp when setting up altivec reg saves, and calculate
5381         exact offset requirement.
5382         (rs6000_emit_epilogue): Use HOST_WIDE_INT for frame_off.  Tidy
5383         spe restore code.  Consolidate darwin out-of-line gpr setup
5384         with that for other abis.
5386 2012-04-25  Alan Modra  <amodra@gmail.com>
5388         * config/rs6000/rs6000.c (rs6000_frame_related): Don't emit a
5389         REG_FRAME_RELATED_EXPR note when the instruction exactly matches
5390         the replacement.
5391         (emit_frame_save): Delete frame_ptr param.  Rename total_size to
5392         frame_reg_to_sp.
5393         (rs6000_emit_prologue): Add sp_off.  Update rs6000_frame_related
5394         and emit_frame_save calls.  Cope with possibly missing note.
5396 2012-04-24  Sriraman Tallam  <tmsriram@google.com>
5398         * config/i386/i386.c (build_processor_model_struct): New function.
5399         (make_var_decl): New function.
5400         (fold_builtin_cpu): New function.
5401         (ix86_fold_builtin): New function.
5402         (make_cpu_type_builtin): New function.
5403         (ix86_init_platform_type_builtins): New function.
5404         (ix86_expand_builtin): Expand new builtins by folding them.
5405         (ix86_init_builtins): Make new builtins to detect CPU type.
5406         (TARGET_FOLD_BUILTIN): New macro.
5407         (IX86_BUILTIN_CPU_INIT): New enum value.
5408         (IX86_BUILTIN_CPU_IS): New enum value.
5409         (IX86_BUILTIN_CPU_SUPPORTS): New enum value.
5410         * config/i386/i386-builtin-types.def: New function type.
5411         * testsuite/gcc.target/builtin_target.c: New testcase.
5412         * doc/extend.texi: Document builtins.
5414 2012-04-24  Olivier Hainque  <hainque@adacore.com>
5416         * common.opt (gdwarf-): Initialize dwarf_version to -1 instead of 2.
5417         * toplev.c (process_options): Default to dwarf_version 2.
5418         * config/vxworks.c (vxworks_override_options): Default to strict-dwarf
5419         and dwarf_version 2.
5421 2012-04-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5423         * tree-pretty-print.h (default_tree_printer): Do not declare.
5424         * tree-diagnostic.c: Include tree-pretty-print.h, tree-pass.h and
5425         intl.h.
5426         (default_tree_diagnostic_starter): Make static.
5427         (default_tree_printer): Move to here. Make static.
5428         (tree_diagnostics_defaults): New.
5429         * tree-diagnostic.h (default_tree_diagnostic_starter): Do not declare.
5430         * tree.c (free_lang_data): Use tree_diagnostics_defaults.
5431         * toplev.c: Do not include tree-pass.h.
5432         (default_tree_printer): Move from here.
5433         (general_init): Use tree_diagnostics_defaults.
5435 2012-04-24  Chao-ying Fu  <fu@mips.com>
5437         * config.gcc (mips64*-*-linux*): Append mips/linux-common.h to tm_file.
5438         (mips*-*-linux*): Append mips/linux-common.h to tm_file.
5439         * config/mips/gnu-user.h
5440         (SUBTARGET_CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC directly.
5441         (GNU_USER_TARGET_LINK_SPEC): New define.
5442         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
5443         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC directly.
5444         (GNU_USER_TARGET_MATHFILE_SPEC): New define.
5445         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC and
5446         GNU_USER_TARGET_ENDFILE_SPEC.
5447         * config/mips/gnu-user64.h (LIB_SPEC): Remove.
5448         (GNU_USER_TARGET_LINK_SPEC): New define.
5449         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
5450         * config/mips/linux-common.h: New file.
5452 2012-04-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5454         PR target/47197
5455         * config/rs6000/rs6000-c.c (fully_fold_convert): New function.
5456         (altivec_build_resolved_builtin): Call fully_fold_convert.
5458 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
5460         PR target/53065
5461         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
5463 2012-04-24  Richard Guenther  <rguenther@suse.de>
5465         PR tree-optimization/53085
5466         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
5467         stores.
5469 2012-04-24  Richard Guenther  <rguenther@suse.de>
5471         * tree-if-conv.c (main_tree_if_conversion): Move bb under
5472         ENABLE_CHECKING.
5474 2012-04-24  Jim Meyering  <meyering@redhat.com>
5476         * genattrtab.c (gen_attr): Avoid NULL-deref after diagnosing
5477         absence of an define_enum call.
5479 2012-04-24  Richard Guenther  <rguenther@suse.de>
5481         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): If
5482         the epilogue loop is not re-used as unvectorized version
5483         record the its maximum number of iterations.
5485 2012-04-24  Andrew Pinski  <apinski@cavium.com>
5487         * tree-ssa-forwprop.c (simplify_bitwise_binary):
5488         Don't directly use def1/def2.
5490 2012-04-24  Richard Guenther  <rguenther@suse.de>
5492         PR tree-optimization/53098
5493         * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
5494         comparison sign.
5496 2012-04-24  Andrew Pinski  <apinski@cavium.com>
5498         PR tree-opt/33512
5499         * tree-ssa-forwprop.c (defcodefor_name): New function.
5500         (simplify_bitwise_binary): Use defcodefor_name instead of manually
5501         Simplify "( X | Y) & X" to X and "( X & Y) | X" to X.
5502         Simplify "(~X | Y) & X" to "X & Y" and
5503         "(~X & Y) | X" to "X | Y".
5505 2012-04-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5507         * recog.c (insn_invalid_p): Add IN_GROUP parameter and use
5508         validate_change to add clobbers if IN_GROUP is nonzero.
5509         (verify_changes): Call insn_invalid_p with IN_GROUP set to true.
5510         * recog.h (insn_invalid_p): Add IN_GROUP parameter to function
5511         prototype.
5512         * gcse.c (process_insert_insn): Call insn_invalid_p with IN_GROUP
5513         set to false.
5514         * config/s390/s390.c (insn_invalid_p): Likewise.
5516 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
5518         PR middle-end/53084
5519         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
5520         (output_addressed_constants): Likewise.
5522         PR middle-end/52999
5523         * varasm.c (get_section): Don't ICE for section conflicts with
5524         built-in section kinds.
5526 2012-04-23  DJ Delorie  <dj@redhat.com>
5528         * config/s390/s390.h (LINK_SPEC): Remove, no longer needed.
5529         (LIBSTDCXX): Change to CPP2.
5531 2012-04-23  H.J. Lu  <hongjiu.lu@intel.com>
5533         PR bootstrap/52878
5534         * opth-gen.awk: Check if MASK_ and TARGET_ macros are defined for
5535         extra_masks.
5537 2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
5539         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
5540         (*addsi_2_zext): Ditto.
5541         (*add<mode>_3): Ditto.
5542         (*addsi_3_zext): Ditto.
5543         (*add<mode>_5): Ditto.
5545 2012-04-23  Andrew Pinski  <apinski@cavium.com>
5547         * tree-ssa-forwprop.c (simplify_bitwise_binary): Simplify (A & B) OP0
5548         (C & B) to (A OP0) & B.
5550 2012-04-23  Martin Jambor  <mjambor@suse.cz>
5552         * expr.c (expand_expr_real_1): Remove setting parent's alias set for
5553         temporaries created for a bitfield (reverting revision 122014).
5555 2012-04-23  Richard Guenther  <rguenther@suse.de>
5557         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Gimplify
5558         the condition using is_gimple_condexpr and avoid the not necessary
5559         boolification.
5560         (set_prologue_iterations): Likewise.
5561         (vect_loop_versioning): Likewise.
5563 2012-04-23  Richard Guenther  <rguenther@suse.de>
5565         PR tree-optimization/53070
5566         * tree-if-conv.c (combine_blocks): Free predicates in all blocks.
5567         (main_tree_if_conversion): Verify we succeeded in that.
5569 2012-04-23  Jan Hubicka  <jh@suse.cz>
5571         * lto-symtab.c (lto_cgraph_replace_node): Do not call
5572         mark_reahcable_node.
5573         * cgraph.c (cgraph_remove_node): Do not clear reachable.
5574         (cgraph_mark_reachable_node): Remove.
5575         (cgraph_mark_force_output_node): Do not set reachable.
5576         (dump_cgraph_node): Do not dump reachable.
5577         (cgraph_create_virtual_clone): Do not set reachable.
5578         * cgraph.h (cgraph_node): Remove reachable flag.
5579         (varpool_node): Remove reachable flag.
5580         (cgraph_mark_if_needed): Remove.
5581         (cgraph_mark_reachable_node): Remove.
5582         * tree-emutls.c (ipa_lower_emutls): Do not check reachable.
5583         * cgraphunit.c (cgraph_finalize_function): Do not mark node as
5584         reachable.
5585         (cgraph_add_new_function): Likewise.
5586         (cgraph_mark_if_needed): Remove.
5587         (cgraph_analyze_function): Do not set target as reachable.
5588         (process_function_and_variable_attributes): Do not care about
5589         dllexport.
5590         (cgraph_analyze_functions): Do not set reachable flags.
5591         (cgraph_mark_functions_to_output): Do not check reachability.
5592         (cgraph_copy_node_for_versioning): Do not set reachable flag.
5593         (dbxout_expand_expr): Update.
5594         * c-decl.c (merge_decls): Do not track changed externs.
5595         * ipa.c: Include pointer-set.h
5596         (enqueue_cgraph_node): Use reachable pointer set.
5597         (process_references): Likewise.
5598         (cgraph_remove_unreachable_nodes): Likewise.
5599         (whole_program_function_and_variable_visibility): Do not recompute
5600         reachable.
5601         * trans-mem.c (ipa_tm_execute): Do not check reachable flag.
5603 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
5605         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
5607 2012-04-23  Richard Guenther  <rguenther@suse.de>
5609         PR c/53060
5610         * c-typeck.c (build_binary_op): Fix typo.
5612 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
5614         PR tree-optimizations/52891
5615         * tree-vect-patterns.c (adjust_bool_pattern): Use
5616         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
5617         but with non-standard precision.
5619 2012-04-22  Jan Hubicka  <jh@suse.cz>
5621         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Bail out at NULL
5622         tree refs.
5624 2012-04-22  Jan Hubicka  <jh@suse.cz>
5626         * lto-symtab.c (lto_varpool_replace_node): Do not merge needed flags.
5627         * cgraphbuild.c (record_reference, record_type_list, mark_address,
5628         mark_load, mark_store): Do not mark varpool nodes as needed.
5629         * cgraph.c (cgraph_new_nodes): Remove.
5630         (cgraph_create_function_alias): Do not mark nodes as reachable.
5631         (cgraph_add_thunk): Likewise.
5632         (cgraph_mark_reachable_node): Do not manage the queue.
5633         * cgraph.h (cgraph_node): Remove next_needed.
5634         (varpool_nodes_queue): Remove next_needed and prev_needed.
5635         (x_cgraph_nodes_queue, x_cgraph_nodes_queue, cgraph_new_nodes): Remove.
5636         (cgraph_new_nodes): Declare.
5637         (x_varpool_nodes_queue, varpool_nodes_queue); Remove.
5638         (varpool_analyze_pending_decls): Remove.
5639         (varpool_analyze_node): New.
5640         (varpool_mark_needed_node): Remove.
5641         (varpool_first_variable, varpool_next_variable): New inlines.
5642         (varpool_first_static_initializer, varpool_next_static_initializer):
5643         Update.
5644         (FOR_EACH_STATIC_VARIABLE): Remove unused walker.
5645         (varpool_first_defined_variable): New inline.
5646         (varpool_next_defined_variable): New inline
5647         (FOR_EACH_VARIABLE): Reimplement.
5648         (FOR_EACH_DEFINED_VARIABLE): Reimplement.
5649         * toplev.c (wrapup_global_declaration_2): Use analyzed instead of
5650         needed flag.
5651         * cgraphunit.c (cgraph_new_nodes): Declare here.
5652         (enqueue_node): New function.
5653         (cgraph_process_new_functions): update for new
5654         node set; when constructing cgraph enqueue node for processing.
5655         (cgraph_add_new_function): Use new node set.
5656         (process_function_and_variable_attributes): Do not set varpool needed
5657         flags.
5658         (referred_to_p): New function.
5659         (varpool_finalize_decl): Move here from varpool.c; enqueue needed node
5660         when varpool is in construction.
5661         (cgraph_analyze_functions): Rewrite.
5662         (cgraph_expand_all_functions): Update.
5663         (cgraph_output_in_order): Do not analyze pending decls; do not set
5664         needed flags.
5665         (cgraph_optimize): Do not analyze pending decls.
5666         * lto-cgraph.c (input_varpool_node): Clear analyzed flag for objects
5667         in other partition; do not mark node as needed.
5668         * dwarf2out.c (reference_to_unused): Use analyzed flag.
5669         (premark_types_used_by_global_vars_helper): Likewise.
5670         * ipa.c (process_references): Do not call varpool_mark_needed_node.
5671         (cgraph_remove_unreachable_nodes): Do not rely on varpool and
5672         cgrpah queues.
5673         (function_and_variable_visibility): Do not mark node as needed.
5674         (whole_program_function_and_variable_visibility): Likewise.
5675         * Makefile.in (gt-varpool.h): No longer needed.
5676         * passes.c (execute_one_pass, execute_ipa_pass_list): Update.
5677         (ipa_write_summaries): Do not use needed flag.
5678         * varpool.c: Do not include gt-varpool.h
5679         (x_varpool_nodes_queue, x_varpool_last_needed_node,
5680         x_varpool_last_needed_node, x_varpool_first_unanalyzed_node,
5681         x_varpool_first_unanalyzed_node, varpool_assembled_nodes_queue):
5682         Remove.
5683         (varpool_remove_node): Do not update the lists.
5684         (dump_varpool_node): Do not dump needed flag.
5685         (varpool_enqueue_needed_node): Remove.
5686         (varpool_mark_needed_node): Remove.
5687         (varpool_reset_queue): Remove.
5688         (varpool_finalize_decl): Move to cgraphunit.c
5689         (varpool_analyze_node): New functions based on former
5690         varpool_analyze_pending_decls.
5691         (varpool_analyze_pending_decls): Remove.
5692         (varpool_assemble_decl): Do not update the lists.
5693         (enqueue_node): New function.
5694         (varpool_remove_unreferenced_decls): Rewrite.
5695         (varpool_empty_needed_queue): Remove.
5696         (add_new_static_var): Do not mark node as needed.
5697         (varpool_create_variable_alias): Handle expansion state
5698         creation.
5699         * except.c (output_ttype): Do not mark node as needed.
5700         * varasm.c (mark_decl_referenced): Do not use mark_needed_node.
5701         * tree-profile.c (init_ic_make_global_vars, init_ic_make_global_vars):
5702         Likewise.
5703         * tree-switch-conversion.c (build_one_array): Likewise.
5705 2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5707         PR c/44774
5708         * doc/invoke.texi (pedantic): Rename to Wpedantic.
5709         * common.opt (Wpedantic): New.
5710         (pedantic): Alias Wpedantic.
5711         * diagnostic.c (warning_at): Likewise.
5712         * c-decl.c (diagnose_mismatched_decls): Likewise.
5713         (build_array_declarator): Likewise.
5714         (mark_forward_parm_decls):
5715         (check_bitfield_type_and_width): Likewise.
5716         (grokdeclarator): Likewise.
5717         (grokfield): Likewise.
5718         (finish_struct): Likewise.
5719         (build_enumerator): Likewise.
5720         (store_parm_decls_oldstyle): Likewise.
5721         (declspecs_add_qual): Likewise.
5722         (declspecs_add_type): Likewise.
5723         (finish_declspecs): Likewise.
5724         * c-typeck.c (composite_type): Likewise.
5725         (comp_target_types): Likewise.
5726         (build_array_ref): Likewise.
5727         (pointer_diff): Likewise.
5728         (build_unary_op): Likewise.
5729         (build_conditional_expr): Likewise.
5730         (build_c_cast): Likewise.
5731         (convert_for_assignment): Likewise.
5732         (maybe_warn_string_init): Likewise.
5733         (digest_init): Likewise.
5734         (pop_init_level): Likewise.
5735         (set_init_index): Likewise.
5736         (c_finish_goto_label): Likewise.
5737         (c_finish_return): Likewise.
5738         (do_case): Likewise.
5739         (build_binary_op): Likewise.
5740         * c-parser.c (static): Likewise.
5741         (c_parser_external_declaration): Likewise.
5742         (c_parser_declaration_or_fndef): Likewise.
5743         (c_parser_static_assert_declaration_no_se): Likewise.
5744         (c_parser_enum_specifier): Likewise.
5745         (c_parser_struct_or_union_specifier): Likewise.
5746         (c_parser_struct_declaration): Likewise.
5747         (c_parser_alignas_specifier): Likewise.
5748         (c_parser_braced_init): Likewise.
5749         (c_parser_initelt): Likewise.
5750         (c_parser_compound_statement_nostart): Likewise.
5751         (c_parser_conditional_expression): Likewise.
5752         (c_parser_alignof_expression): Likewise.
5753         (c_parser_postfix_expression): Likewise.
5754         (c_parser_postfix_expression_after_paren_): Likewise.
5755         (c_parser_objc_class_instance_variables): Likewise.
5756         (c_parser_objc_method_definition): Likewise.
5757         (c_parser_objc_methodprotolist): Likewise.
5759 2012-04-22  Ian Lance Taylor  <iant@google.com>
5761         * godump.c (go_output_typedef): Dump size of structs.
5763 2012-04-22  Razya Ladelsky  <razya@il.ibm.com>
5765         Correcting transform_to_exit_first_loop + fix to PR46886
5766         * tree-parloops.c (transform_to_exit_first_loop): Remove
5767         setting of number of iterations according to the loop pattern.
5768         Duplicate from entry to exit->src instead of loop->latch.
5769         (pallelize_loops): Remove the condition preventing do-while loops.
5770         * tree-cfg.c (bool bb_in_region_p): New.
5771         (gimple_duplicate_sese_tail): Adjust duplication of the the subloops.
5772         Adjust redirection of the duplicated iteration.
5774 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
5776         PR bootstrap/53021
5777         * rtl.def (ADDRESS): Use "i" rather than "w".
5778         * rtl.h (find_base_term): Delete.
5779         (may_be_sp_based_p): Declare.
5780         * rtl.c (rtx_code_size): Remove ADDRESS special case.
5781         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP)
5782         (UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Move to...
5783         * alias.c: ...here.
5784         (find_base_term): Make static.
5785         (may_be_sp_based_p): New function.
5786         * dse.c (record_store): Use it.
5787         * store-motion.c (store_killed_in_insn): Likewise.
5789 2012-04-21  Richard Sandiford  <rdsandiford@googlemail.com>
5791         * fold-const.c (fold_checksum_tree): Fix VECTOR_CST case.
5793 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5795         PR 35441
5796         * c-typeck.c (inform_declaration): New.
5797         (build_function_call_vec):  Do not pretty-print
5798         expressions when caret is enabled.
5799         (convert_arguments): Use inform_declaration.
5801 2012-04-20  Jim Meyering  <meyering@redhat.com>
5803         * genmodes.c (make_complex_modes): Don't truncate a mode name of
5804         length 7 or more when prepending a "C".  Suggested by Richard Guenther.
5806 2012-04-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5808         PR rtl-optimization/44214
5809         * fold-const.c (exact_inverse): New function.
5810         (fold_binary_loc): Fold vector and complex division by constant into
5811         multiply by recripocal with flag_reciprocal_math; fold vector division
5812         by constant into multiply by reciprocal with exact inverse.
5814 2012-04-20  Jan Hubicka  <jh@suse.cz>
5816         * lto-symtab.c (lto_cgraph_replace_node): Merge needed instead of
5817         force flags.
5818         * cgraph.c (cgraph_add_thunk): Use mark_reachable_node.
5819         (cgraph_remove_node): Update.
5820         (cgraph_mark_needed_node): Remove.
5821         (cgraph_mark_force_output_node): New.
5822         (dump_cgraph_node): Do not dump needed flag.
5823         (cgraph_node_cannot_be_local_p_1): Update.
5824         (cgraph_can_remove_if_no_direct_calls_and_refs): Update.
5825         * cgraph.h (symtab_node_base): Add force_output flag.
5826         (cgraph_node): Remove needed flag.
5827         (varpool_node): Remove force_output flag.
5828         (cgraph_mark_needed_node): Remove.
5829         (cgraph_mark_force_output_node): New.
5830         (cgraph_only_called_directly_or_aliased_p,
5831         varpool_can_remove_if_no_refs, varpool_all_refs_explicit_p): Update.
5832         * ipa-cp.c (ipcp_generate_summary): Remove out of date assert.
5833         * cgraphunit.c (cgraph_decide_is_function_needed): rewrite.
5834         (cgraph_add_new_function): Update.
5835         (cgraph_mark_if_needed): Update.
5836         (verify_cgraph_node): Update.
5837         (cgraph_analyze_function): Alias target is reachable.
5838         (process_function_and_variable_attributes): Update: externally_visible
5839         flag makes function reachable.
5840         (cgraph_analyze_functions): Update dumping.
5841         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
5842         input_overwrite_node, input_varpool_node): Update streaming.
5843         * lto-streamer-out.c (produce_symtab): Use force_output.
5844         * ipa.c (process_references): Weakrefs must be processed.
5845         (cgraph_remove_unreachable_nodes): Likewise; update for new
5846         force_output flag.
5847         (varpool_externally_visible_p): Weakrefs are externally visible
5848         even if they are not.
5849         (function_and_variable_visibility): Update; when processing alias
5850         pair force the targets to be output.
5851         (whole_program_function_and_variable_visility): Use
5852         mark_reachable_node.
5853         * trans-mem.c (ipa_tm_mark_needed_node): Remove
5854         (ipa_tm_mark_force_output_node): New function.
5855         (ipa_tm_create_version_alias, ipa_tm_create_version): Update.
5856         * gimple-fold.c (can_refer_decl_in_current_unit_p): Be lax about
5857         aliases.
5858         * varasm.c (mark_decl_referenced): Update.
5859         (find_decl_and_mark_needed): Remove.
5860         (find_decl): New function.
5861         (weak_finish, finish_aliases_1, assemble_alias): Update; do not mark
5862         alias targets as needed.
5863         (dump_tm_clone_pairs): Update.
5864         * tree-inline.c (copy_bb): Update check.
5865         * symtab.c (dump_symtab_base): Dump force_output.
5866         * tree-ssa-structalias.c (ipa_pta_execute): Use force_output.
5867         * passes.c (execute_todo): Fix dumping.
5868         * varpool.c (decide_is_variable_needed, varpool_finalize_decl): Update.
5869         (varpool_analyze_pending_decls): Alias target is reachable.
5870         (varpool_create_variable_alias): Finalize weakrefs.
5872 2012-04-20  Jakub Jelinek  <jakub@redhat.com>
5874         PR bootstrap/53021
5875         * alias.h (UNIQUE_BASE_VALUE_SP, UNIQUE_BASE_VALUE_ARGP,
5876         UNIQUE_BASE_VALUE_FP, UNIQUE_BASE_VALUE_HFP): Define.
5877         * alias.c (init_alias_targets): Use UNIQUE_BASE_VALUE_*
5878         macros instead of constants.
5879         * dse.c (record_store): Check for SP ADDRESS by comparing
5880         XWINT to UNIQUE_BASE_VALUE_SP instead of expecting
5881         XEXP to be stack_pointer_rtx.
5883 2012-04-20  Richard Guenther  <rguenther@suse.de>
5885         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
5886         update_call_from_tree when propagating into a call.
5888 2012-04-20  Alan Modra  <amodra@gmail.com>
5890         * config/rs6000/rs6000.c (rs6000_emit_savres_rtx): Formatting.
5891         (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.  Rename
5892         sp_offset to frame_off.  Move world save code earlier.
5894 2012-04-20  Richard Guenther  <rguenther@suse.de>
5896         PR tree-optimization/53050
5897         * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
5898         Do only one transform on COND_EXPRs at the same time.
5900 2012-04-19  Jan Hubicka  <jh@suse.cz>
5902         * symtab.c (dump_symtab_base): Revert accidental checkin.
5904 2012-04-20  Alan Modra  <amodra@gmail.com>
5906         PR target/53040
5907         * config/rs6000/rs6000.c (rs6000_savres_strategy): When using
5908         static chain, set REST_INLINE_FPRS too.
5910 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
5912         * tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child
5913         nodes.
5915 2012-04-20  Richard Guenther  <rguenther@suse.de>
5917         * tree-vect-loop.c (vect_analyze_loop_operations): Do not vectorize
5918         loops that can never run more often than the vectorization factor.
5920 2012-04-19  Jan Hubicka  <jh@suse.cz>
5922         * symtab.c (dump_symtab_base): Fix dumping of asm lists.
5924 2012-04-19  David Edelsohn  <dje.gcc@gmail.com>
5926         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
5928 2012-04-19  Jim Meyering  <meyering@redhat.com>
5930         * genmodes.c (make_complex_modes): Avoid unnecessary use of strncpy.
5931         We verified above that the string(including trailing NUL) fits in buf,
5932         so just use memcpy.
5934 2012-04-19  Richard Guenther  <rguenther@suse.de>
5936         * symtab.c (dump_symtab_base): Use TREE_STRING_POINTER
5937         for dumping DECL_SECTION_NAME.
5939 2012-04-19  Michael Matz  <matz@suse.de>
5941         PR middle-end/52977
5942         * tree.h (VECTOR_CST_NELTS): Use part number of types again.
5943         (struct tree_vector): Adjust GTY length.
5944         * tree.c (make_vector_stat): Don't set VECTOR_CST_NELTS.
5946         * gengtype.c (struct walk_type_data): Add in_record_p and loopcounter
5947         members.
5948         (walk_type, <TYPE_POINTER, TYPE_ARRAY>): Handle case where our
5949         caller emitted the length calulation already.
5950         (walk_type, <TYPE_UNION, TYPE_STRUCT>): Emit length calculations
5951         before handling any of the fields for structs.
5953 2012-04-19  Richard Guenther  <rguenther@suse.de>
5955         PR tree-optimization/53031
5956         * tree-vrp.c (adjust_range_with_scev): Revert back to
5957         using max_loop_iterations.
5959 2012-04-19  Michael Matz  <matz@suse.de>
5961         * diagnostic.c (emit_diagnostic): Move va_end call after user
5962         of the va_list.
5963         (warning, warning_at, pedwarn, permerror): Ditto.
5965 2012-04-19  Richard Guenther  <rguenther@suse.de>
5967         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
5968         array access.
5970 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
5972         PR target/53033
5973         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
5974         the case *(X+const).
5976 2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
5978         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
5980 2012-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5982         PR c/52283/37985
5983         * stmt.c (warn_if_unused_value): Skip NOP_EXPR.
5984         * convert.c (convert_to_integer): Don't set TREE_NO_WARNING.
5986 2012-04-19  Richard Guenther  <rguenther@suse.de>
5988         PR rtl-optimization/44688
5989         * loop-iv.c (determine_max_iter): Only return max_iter.
5990         (iv_number_of_iterations): Also use the recorded loop bound
5991         on the maximum number of iterations.
5992         * loop-unroll.c (decide_unroll_runtime_iterations): Use
5993         max_iter to avoid unrolling loops that do not roll.
5994         (decide_unroll_stupid): Likewise.
5996 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
5998         * targhooks.c (default_case_values_threshold): Fix code style nit.
6000         * stmt.c (add_case_node, expand_case): Move logic to remove/reduce
6001         case range and type folding from here...
6002         * gimplify.c (gimplify_switch_expr): ... to here.  Expect NULL_TREE
6003         type, as documented in tree.def.
6005 2012-04-18  Jan Hubicka  <jh@suse.cz>
6007         * cgraph.h (verify_symtab, verify_symtab_node, verify_symtab_base):
6008         Declare.
6009         * cgraphunit.c (verify_cgraph_node): Verify symtab base; do not verify
6010         cgraph hash and same comdat groups.
6011         (cgraph_optimize): Verify symbol table.
6012         * ipa.c (cgraph_remove_unreachable_nodes): Verify symbol table.
6013         (dissolve_same_comdat_group_list): Work on symtab nodes.
6014         (function_and_variable_visibility): Dissolve variable same comdat group
6015         lists, too.
6016         * symtab.c: Include timevar.h
6017         (verify_symtab_base, verify_symtab_node, verify_symtab): New functions.
6019 2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>
6021         * tree-switch-conversion.c (info): Remove global pass info.
6022         (check_range, check_process_case, check_final_bb, create_temp_arrays,
6023         free_temp_arrays, gather_default_values, build_constructors,
6024         array_value_type, build_one_array, build_arrays, gen_def_assigns,
6025         fix_phi_nodes, gen_inbound_check): Pass info around from ...
6026         (process_switch): ... here.  Unify message format.  Return a const
6027         char pointer to the failure reason message.
6028         (do_switchconv): Unify message format.  Update process_switch usage.
6030         * tree.def (CASE_LABEL_EXPR): Fix documentation, mention all operands.
6031         * tree-cfg.c (edge_to_cases): Fix documentation.
6033 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
6035         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
6037 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6039         PR tree-optimization/52976
6040         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): Delete.
6041         (possibly_move_powi): New function.
6042         (rewrite_expr_tree): Call possibly_move_powi.
6043         (rewrite_expr_tree_parallel): Likewise.
6044         (attempt_builtin_powi): Change call of add_to_ops_vec_max_rank to
6045         call add_to_ops_vec instead.
6047 2012-04-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6049         PR tree-optimization/52976
6050         * tree-ssa-reassoc.c (stmt_is_power_of_op): New function.
6051         (decrement_power): Likewise.
6052         (propagate_op_to_single_use): Likewise.
6053         (zero_one_operation): Handle __builtin_pow* calls in linearized
6054         expression trees; factor logic into propagate_op_to_single_use.
6055         (undistribute_ops_list): Allow operands with repeat counts > 1.
6057 2012-04-18  Richard Guenther  <rguenther@suse.de>
6059         PR tree-optimization/44688
6060         * cfgloop.h (record_niter_bound): Declare.
6061         * tree-ssa-loop-niter.c (record_niter_bound): Export.
6062         Update the estimation with the upper bound here...
6063         (estimate_numbers_of_iterations_loop): ... instead of here.
6064         Do not forcefully reset a recorded upper bound.
6065         * tree-vect-loop-manip.c (vect_do_peeling_for_alignment):
6066         Record the maximum number of loop iterations of the prologue loop.
6068 2012-04-18  Jan Hubicka  <jh@suse.cz>
6070         * lto-symtab.c (lto_cgraph_replace_node): Update.
6071         * cgraphbuild.c (record_reference, record_type_list,
6072         record_eh_tables, mark_address, mark_load, mark_store): Update.
6073         * cgraph.c (cgraph_same_body_alias, dump_cgraph_node,
6074         cgraph_create_virtual_clone, cgraph_for_node_thunks_and_aliases):
6075         Update.
6076         * cgraph.h (symtab_node_def, symtab_node, const_symtab_node): Remove.
6077         (cgraph_alias_aliased_node, varpool_alias_aliased_node): Update.
6078         * reload.c: Fix typo in comment.
6079         * rtlanal.c: Likewise.
6080         * tree-emultls.c (gen_emutls_addr): Update.
6081         * ipa-reference.c (analyze_function): Update.
6082         * cgraphunit.c (cgraph_analyze_function,
6083         cgraph_process_same_body_aliases, assemble_thunks_and_aliases):
6084         Update.
6085         * ipa-ref.c (ipa_record_reference): Reorg to avoid reference types.
6086         (ipa_remove_reference): Likewise.
6087         (ipa_remove_all_refering): Rename to ...
6088         (ipa_remove_all_referring): ... this one; update.
6089         (ipa_dump_references): Update.
6090         (ipa_dump_referring): Update.
6091         (ipa_clone_references): Update.
6092         (ipa_clone_refering): Rename to ...
6093         (ipa_clone_referring): ... this one; update.
6094         (ipa_ref_cannot_lead_to_return): Update.
6095         (ipa_ref_has_aliases_p): Update.
6096         * ipa-ref.h (symtab_node_def, symtab_node, const_symtab_node): New
6097         forward typedefs.
6098         (ipa_ref_type): Remove.
6099         (ipa_ref_ptr_u): Remove.
6100         (ipa_ref): Remove referencing, refered, refered_index, refering_type
6101         and refered_type; add referring, referred and referred_index.
6102         (ipa_ref_list): Rename refering to referring.
6103         (ipa_record_reference, ipa_remove_all_referring, ipa_dump_referring,
6104         ipa_clone_references, ipa_clone_referring): Update prototypes.
6105         * lto-cgraph.c (referenced_from_other_partition_p): Update.
6106         (lto_output_ref): Update.
6107         (add_references): Update.
6108         (input_varpool_node): Update.
6109         (input_refs): Update.
6110         * ipa-ref-inline.h (ipa_ref_node): Update.
6111         (ipa_ref_varpool_node): Update.
6112         (ipa_ref_referring_node): Update.
6113         (ipa_ref_referring_varpool_node): Update.
6114         (ipa_ref_referring_ref_list): Update.
6115         (ipa_ref_referred_ref_list): Update.
6116         (ipa_ref_list_first_referring): Update.
6117         (ipa_empty_ref_list): Update.
6118         (ipa_ref_list_refering_iterate): Rename to ...
6119         (ipa_ref_list_referring_iterate): ... this one.
6120         * cse.c: Update comment.
6121         * ipa-utils.c (ipa_reverse_postorder): Update.
6122         * tree-ssa-alias.c: Update.
6123         * ipa-inline.c (reset_edge_caches): Update.
6124         (update_caller_keys): Update.
6125         * ipa-inline.h: Update comments.
6126         * jump.c: Update comment.
6127         * alias.c: Likewise.
6128         * ipa.c (process_references): Update.
6129         (cgraph_remove_unreachable_nodes): Likewise.
6130         (ipa_discover_readonly_nonaddressable_var): Likewise.
6131         (cgraph_address_taken_from_non_vtable_p): Likewise.
6132         * trans-mem.c (ipa_tm_execute): Update.
6133         * simplify-rtx.c: Fix comment.
6134         * rtl.c: Fix comment.
6135         * symtab.c (symtab_unregister_node): Update.
6136         * varpool.c (dump_varpool_node): Update.
6137         (varpool_analyze_pending_decls): Update.
6138         (assemble_aliases): Update.
6139         (varpool_for_node_and_aliases): Update.
6141 2012-04-18  Richard Guenther  <rguenther@suse.de>
6143         * cfgloop.h (estimate_numbers_of_iterations_loop): Remove
6144         use_undefined_p parameter.
6145         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
6146         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
6147         Likewise.
6148         (estimate_numbers_of_iterations): Likewise.
6149         (estimated_loop_iterations): Adjust.
6150         (max_loop_iterations): Likewise.
6151         (scev_probably_wraps_p): Likewise.
6152         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
6153         * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions,
6154         not max_loop_iterations.
6155         (execute_vrp): Remove explicit number of iterations estimation.
6157 2012-04-18  Enkovich Ilya  <ilya.enkovich@intel.com>
6159         * config/i386/linux-common.h: New.
6161         * config.gcc: Add i386/linux-common.h before
6162         all i386/linux.h and i386/linux64.h usages.
6164         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): New.
6165         (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
6166         * config/i386/gnu-user64.h: Likewise.
6168         * config/i386/gnu-user.common.h (GNU_USER_TARGET_CC1_SPEC): New.
6169         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
6170         (GNU_USER_TARGET_MATHFILE_SPEC): New.
6171         (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
6173 2012-04-18  Jan Hubicka  <jh@suse.cz>
6175         * cgraph.c (cgraph_node_name): Remove.
6176         (dump_cgraph_node): Use dump_symtab_base; reformat.
6177         * cgraph.h (symtab_node_asm_name, symtab_node_name, dump_symtab,
6178         debug_symtab, dump_symtab_node, debug_symtab_node, dump_symtab_base):
6179         Declare.
6180         (cgraph_node_name, varpool_node_name): Remove.
6181         (cgraph_node_asm_name, varpool_node_asm_name,
6182         cgraph_node_name, varpool_node_name): New.
6183         * tree-pass.h (TODO_dump_cgraph): Rename to ...
6184         (TODO_dump_symtab): ... this one.
6185         * ipa-cp (pass_ipa_cp): Update.
6186         * ia-reference.c (generate_summary, read_write_all_from_decl,
6187         propagate, ipa_reference_read_optimization_summary): Update.
6188         * cgraphunit.c (cgraph_analyze_functions): Update.
6189         (cgraph_optimize): Update.
6190         * ipa-ref.c (ipa_dump_references): Update.
6191         (ipa_dump_refering): Update.
6192         * ipa-inline.c (pass_ipa_inline): Update.
6193         * matrix-reorg.c (pass_ipa_matrix_reorg): Update.
6194         * ipa.c (pass_ipa_function_visibility,
6195         pass_ipa_whole_program_visibility): Update.
6196         * tree-sra.c (pass_early_ipa_sra): Update.
6197         * symtab.c: Include langhooks.h
6198         (symtab_node_asm_name): New.
6199         (symtab_node_name): New.
6200         (symtab_type_names): New static var.
6201         (dump_symtab_base): New.
6202         (dump_symtab_node, dump_symtab): New.
6203         (debug_symtab_node,  debug_symtab): New.
6204         * tree-ssa-structalias.c: Dump symbol table.
6205         * pases.c (execute_todo): Handle TODO_dump_symtab instead
6206         of TODO_dump_cgraph.
6207         * varpoo.c (varpool_node_name): Remove.
6208         (dump_varpool_node): Use dump_symtab_base; reformat.
6210 2012-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6212         * doc/invoke.texi (Language Independent Options): @item should be
6213         before @opindex.
6215 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
6217         PR bootstrap/53021
6218         * rtl.c (rtx_code_size): Handle ADDRESS.
6220 2012-04-17  Tom de Vries  <tom@codesourcery.com>
6222         * tree-iterator.c (append_to_statement_list_1): Handle case that *list_p
6223         is not a STMT_LIST.
6225 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
6227         PR target/53020
6228         * config/i386/sync.md (atomic_<code><mode>): Rename to
6229         atomic_<logic><mode>.
6231 2012-04-17  Richard Sandiford  <rdsandiford@googlemail.com>
6233         * rtl.def (ADDRESS): Turn operand into a HOST_WIDE_INT.
6234         * alias.c (reg_base_value): Expand and update comment.
6235         (arg_base_value): New variable.
6236         (unique_id): Move up file.
6237         (unique_base_value, unique_base_value_p, known_base_value_p): New.
6238         (find_base_value): Use arg_base_value and known_base_value_p.
6239         (record_set): Document REG_NOALIAS handling.  Use unique_base_value.
6240         (find_base_term): Use known_base_value_p.
6241         (base_alias_check): Use unique_base_value_p.
6242         (init_alias_target): Initialize arg_base_value.  Use unique_base_value.
6243         (init_alias_analysis): Use 1 as the first id for REG_NOALIAS bases.
6245 2012-04-17  Pat Haugen <pthaugen@us.ibm.com>
6247         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Remove DImode.
6249 2012-04-17  Michael Matz  <matz@suse.de>
6251         PR tree-optimization/18437
6252         * tree-vectorizer.h (_stmt_vec_info.stride_load_p): New member.
6253         (STMT_VINFO_STRIDE_LOAD_P): New accessor.
6254         (vect_check_strided_load): Declare.
6255         * tree-vect-data-refs.c (vect_check_strided_load): New function.
6256         (vect_analyze_data_refs): Use it to accept strided loads.
6257         * tree-vect-stmts.c (vectorizable_load): Ditto and handle them.
6259 2012-04-17  Richard Guenther  <rguenther@suse.de>
6261         PR middle-end/53011
6262         * tree-eh.c (cleanup_empty_eh_merge_phis): Properly discard
6263         loops when redirecting an entry or latch edge.
6265 2012-04-17  Bernd Schmidt  <bernds@codesourcery.com>
6267         * sel-sched.c (sel_global_init): Revert previous change.
6269 2012-04-17  Richard Guenther  <rguenther@suse.de>
6271         * tree-flow.h (array_at_struct_end_p): Move declaration ...
6272         * tree.h (array_at_struct_end_p): ... here.
6273         * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ...
6274         * expr.c (array_at_struct_end_p): ... here.  Rewrite.
6276 2012-04-17  Steven Bosscher  <steven@gcc.gnu.org>
6278         * stmt.c (cost_table_, use_cost_table, cost_table_initialize,
6279         COST_TABLE): Remove.
6280         (estimate_case_costs): Remove.
6281         (expand_case): Do not call estimate_case_costs
6282         to set use_cost_table.
6283         (balance_case_nodes): Do not use use_cost_table.
6285 2012-04-16  Jan Hubicka  <jh@suse.cz>
6287         * cgraph.c (cgraph_hash, assembler_name_hash): Remove.
6288         (hash_node, eq_node): Remove.
6289         (cgraph_create_node): Do not handle hashtable.
6290         (cgraph_get_node): Remove.
6291         (cgraph_insert_node_to_hashtable): Remove.
6292         (hash_node_by_assembler_name): Remove.
6293         (eq_assembler_name): Remove.
6294         (cgraph_node_for_asm): Rewrite.
6295         (cgraph_find_replacement_node): Break out from ...
6296         (cgraph_remove_node): ... here; do not maintain hashtables.
6297         (change_decl_assembler_name): Remove.
6298         (cgraph_clone_node): Do not maintain hashtables.
6299         * cgraph.h (const_symtab_node): New typedef.
6300         (cgraph_insert_node_to_hashtable): Remove.
6301         (symtab_get_node, symtab_node_for_asm,
6302         symtab_insert_node_to_hashtable): Declare.
6303         (cgraph_find_replacement_node): Declare.
6304         (cgraph_get_node, varpool_get_node): Turn into inlines.
6305         (cgraph, varpool): Work sanely on NULL pointers.
6306         (FOR_EACH_SYMBOL): New walker.
6307         * ipa-inline-transform.c (save_inline_function_body): Use
6308         symtab_insert_node_to_hashtable.
6309         * symtab.c: Include ggc.h and diagnostics.h
6310         (symtab_hash, assembler_name_hash): New static vars;
6311         (hash_node, eq_node, hash_node_by_assembler_name,
6312         eq_assembler_name, insert_to_assembler_name_hash,
6313         unlink_from_assembler_name_hash): New.
6314         (symtab_register_node): Update hashtables.
6315         (symtab_insert_node_to_hashtable): New.
6316         (symtab_unregister_node): Update hashtables.
6317         (symtab_get_node): New.
6318         (symtab_node_for_asm): New.
6319         (change_decl_assembler_name): New.
6320         * Makefile.in (symtab.o): Needs GTY.
6321         * varpool.c (varpool_hash): Remove.
6322         (hash_varpool_node, eq_varpool_node, varpool_get_node): Remove.
6323         (varpool_node): Rewrite using varpool_get_node.
6324         (varpool_remove_node): DO not maintain hashtables.
6325         (varpool_node_for_asm): Rewrite.
6327 2012-04-16  Sandra Loosemore  <sandra@codesourcery.com>
6329         * doc/invoke.texi:  Copy-edit to put verbs in the present tense
6330         when describing the current behavior of GCC.
6332 2012-04-16  Richard Sandiford  <rdsandiford@googlemail.com>
6334         * genemit.c (gen_exp): Remove ADDRESS handling.
6335         * genoutput.c (scan_operands): Likewise.
6336         * genpeep.c (match_rtx): Likewise.
6337         * genrecog.c (add_to_sequence): Likewise.
6339 2012-04-16  David Edelsohn  <dje.gcc@gmail.com>
6341         * doc/install.texi (Specific, *-ibm-aix*): Update assembler bug status.
6343 2012-04-16  Martin Jambor  <mjambor@suse.cz>
6345         * tree-sra.c (build_ref_for_model): Create COMPONENT_REFs only for
6346         bit-fields.
6348 2012-04-16  Ulrich Weigand  <ulrich.weigand@linaro.org>
6350         PR target/51819
6351         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
6352         hints for 'A' operand types.
6354 2012-04-16  Jan Hubicka  <jh@suse.cz>
6356         * cgraph.h (symtab_node_base): Add next and previous pointers.
6357         (cgraph_node): Remove next and preivous pointers.
6358         (varpool_node): Likewise; remove next/previous GTY marker;
6359         it is not type safe.
6360         (symtab_node_def): Update GTY marker
6361         (x_cgraph_nodes, cgraph_nodes): Remove.
6362         (symtab_nodes): New function.
6363         (cgraph_order): Rename to ...
6364         (symtab_order): ... this one.
6365         (symtab_register_node, symtab_unregister_node, symtab_remove_node):
6366         Declare.
6367         (x_varpool_nodes, varpool_nodes): Remove.
6368         (FOR_EACH_STATIC_VARIABLE): Update.
6369         (symtab_function_p, symtab_variable_p): New function.
6370         (FOR_EACH_VARIABLE): Update.
6371         (varpool_first_variable, varpool_next_variable): New functions.
6372         (FOR_EACH_VARIABLE): Update.
6373         (cgraph_first_defined_function): Update.
6374         (cgraph_next_defined_function, cgraph_next_defined_function): Update.
6375         (FOR_EACH_DEFINED_FUNCTION, FOR_EACH_FUNCTION): Update.
6376         (cgraph_first_function, cgraph_next_function): New.
6377         (FOR_EACH_FUNCTION): Update.
6378         (cgraph_first_function_with_gimple_body,
6379         cgraph_next_function_with_gimple_body): Update.
6380         * symtab.c: New file.
6381         * cgraph.c: Update copyright dates.
6382         (x_cgraph_nodes, cgraph_order): Remove.
6383         (NEXT_FREE_NODE): Update.
6384         (SET_NEXT_FREE_NODE): New.
6385         (cgraph_create_node_1): Remove common code.
6386         (cgraph_create_node): Remove common code; call symtab_register_node.
6387         (cgraph_remove_node): Remove common code; call symtab_unregister-node.
6388         (cgraph_add_asm_node): Update.
6389         (cgraph_clone_node): Register new node.
6390         * cgraphunit.c (process_function_and_variable_attributes): Update.
6391         (cgraph_analyze_functions): Update.
6392         (cgraph_analyze_functions): Update.
6393         (cgraph_output_in_order): Update.
6394         * lto-cgraph.c (input_node, input_varpool_node, input_cgraph_1):
6395         Update.
6396         * ipa-inline.c (recursive_inlining): Update.
6397         * lto-streamer-in.c (lto_input_toplevel_asms): Update.
6398         * ipa.c (cgraph_remove_unreachable_nodes): Update.
6399         * Makefile.in: Add symtab.o
6400         * varpool.c (x_varpool_nodes): Remove
6401         (varpool_node): Remove common code; call symtab_register_node.
6402         (varpool_remove_node): Remove common code; call symtab_unregister_node.
6404 2012-04-16  Richard Guenther  <rguenther@suse.de>
6406         PR middle-end/52977
6407         * tree.h (VECTOR_CST_NELTS): Adjust.
6408         (struct tree_vector): Add explicit length field.
6409         (make_vector_stat): Declare.
6410         (make_vector): Define.
6411         * tree.c (make_vector_stat): New function.
6412         (build_vector_stat): Use it.
6413         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
6415 2012-04-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6417         PR tree-optimization/52976
6418         * tree-ssa-reassoc.c (add_to_ops_vec_max_rank): New function.
6419         (undistribute_ops_list): Ops with repeat counts aren't eligible for
6420         undistribution.
6421         (attempt_builtin_powi): Call add_to_ops_vec_max_rank.
6423 2012-04-16  Jan Hubicka  <jh@suse.cz>
6425         * cgraph.h (FOR_EACH_VARIABLE, FOR_EACH_VARIABLE, FOR_EACH_FUNCTION):
6426         New macros.
6427         * lto-symtab.c (lto_symtab_merge_cgraph_nodes): Use FOR_EACH
6428         walkers to walk cgraph and varpool.
6429         * cgraph.c (cgraph_node_for_asm): Likewise.
6430         (dump_cgraph): Likewise.
6431         * value-prof.c (init_node_map): Likewise.
6432         * tree.c (free_lang_data_in_cgraph): Likewise.
6433         * tree-emutls.c: (ipa_lower_emutls): Likewise.
6434         * ipa-reference.c (generate_summary, propagate): Likewise.
6435         * cgraphunit.c (verify_cgraph, cgraph_process_same_body_aliases,
6436         cgraph_mark_functions_to_output, cgraph_output_in_order,
6437         output_weakrefs, cgraph_materialize_all_clones,
6438         cgraph_optimize): Likewise.
6439         * lto-cgraph.c (merge_profile_summaries): Likewise.
6440         (input_cgraph): Likewise.
6441         * ipa-pure-const.c (generate_summary): Likewise.
6442         (propagate): Likwise.
6443         * ipa-utils.c (ipa_reduced_postorder): Likewise.
6444         (ipa_free_postorder_info): Likewise.
6445         (ipa_reverse_postorder): Likewise.
6446         * ipa-inline.c (ipa_inline): Likewise.
6447         * matrix-reorg.c (find_matrices_decl): Likewise.
6448         (matrix_reorg): Likewise.
6449         * tree-vectorizer.c (increase_alignment): Likewise.
6450         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6451         (function_and_variable_visibility): Likewise.
6452         (whole_program_function_and_variable_visibility): Likewise.
6453         (ipa_cdtor_merge): Likewise.
6454         * trans-mem.c (ipa_tm_execute): Likewise.
6455         * ipa-inline-analysis.c (dump_inline_summaries): Likewise.
6456         * ipa-prop.c (ipa_print_all_jump_functions): Likewise.
6457         (ipa_print_all_params): Likewise.
6458         (ipa_update_after_lto_read): Likewise.
6459         * tree-profie.c (tree_profiling): Likewise.
6460         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
6461         * passes.c (dump_passes): Likewise.
6462         (do_per_function): Likewise.
6463         (ipa_write_summaries): Likewise.
6464         * varpool.c (dump_varpool): Likewise.
6465         (varpool_node_for_asm): Likewise.
6466         (varpool_assemble_pending_decls): Likewise.
6468 2012-04-16  Richard Guenther  <rguenther@suse.de>
6470         PR tree-optimization/52975
6471         * tree-if-conv.c (predicate_bbs): Do not simplify inverted
6472         condition but always mark it with TRUTH_NOT_EXPR.
6474 2012-04-16  Richard Guenther  <rguenther@suse.de>
6476         PR tree-optimization/52975
6477         * tree-ssa-forwprop.c (combine_cond_exprs): New function.
6478         (ssa_forward_propagate_and_combine): Call it for COND_EXPRs
6479         and VEC_COND_EXPRs.  Also combine into VEC_COND_EXPRs condition.
6480         * fold-const.c (operand_equal_p): Handle TARGET_MEM_REF.
6482 2012-04-14  Uros Bizjak  <ubizjak@gmail.com>
6484         * config/i386/sse.md (ssse3_plusminus): New code iterator.
6485         (avx2_ph<plusminus_mnemonic>wv16hi3): Macroize insn from
6486         avx2_ph{add,adds,sub,subs}wv16hi3 using ssse3_plusminus code iterator.
6487         (ssse3_ph<plusminus_mnemonic>wv8hi3): Macroize insn from
6488         ssse3_ph{add,adds,sub,subs}wv8hi3 using ssse3_plusminus code iterator.
6489         (ssse3_ph<plusminus_mnemonic>wv4hi3): Macroize insn from
6490         ssse3_ph{add,adds,sub,subs}wv4hi3 using ssse3_plusminus code iterator.
6492         (avx2_ph<plusminus_mnemonic>dv8si3): Macroize insn from
6493         avx2_ph{add,adds,sub,subs}dv8si3 using plusminus code iterator.
6494         (ssse3_ph<plusminus_mnemonic>dv4si3): Macroize insn from
6495         ssse3_ph{add,adds,sub,subs}dv4si3 using plusminus code iterator.
6496         (ssse3_ph<plusminus_mnemonic>dv2si3): Macroize insn from
6497         ssse3_ph{add,adds,sub,subs}dv2si3 using plusminus code iterator.
6499         (xop_plus): New code iterator.
6500         (macs): New code attribute.
6501         (macds): Ditto.
6502         (xop_p<macs><ssemodesuffix><ssemodesuffix>): Macroize insn from
6503         xop_pmacs{,s}{ww,dd} using xop_plus code iterator and VI24_128 mode
6504         iterator.
6505         (xop_p<macs>dql): Macroize insn from xop_pmacs{,s}dql using
6506         xop_plus code iterator.
6507         (xop_p<macs>dqh): Macroize insn from xop_pmacs{,s}dqh using
6508         xop_plus code iterator.
6509         (xop_p<macs>wd): Macroize insn from xop_pmacs{,s}wd using
6510         xop_plus code iterator.
6511         (xop_p<madcs>wd): Macroize insn from xop_pmadcs{,s}wd using
6512         xop_plus code iterator.
6514         (xop_phadd<u>bw): Macroize insn from xop_phadd{,u}bw usign
6515         any_extend code iterator.
6516         (xop_phadd<u>bd): Macroize insn from xop_phadd{,u}bd usign
6517         any_extend code iterator.
6518         (xop_phadd<u>bq): Macroize insn from xop_phadd{,u}bq usign
6519         any_extend code iterator.
6520         (xop_phadd<u>wd): Macroize insn from xop_phadd{,u}wd usign
6521         any_extend code iterator.
6522         (xop_phadd<u>wq): Macroize insn from xop_phadd{,u}wq usign
6523         any_extend code iterator.
6524         (xop_phadd<u>dq): Macroize insn from xop_phadd{,u}dq usign
6525         any_extend code iterator.
6527 2012-04-14  Tom de Vries  <tom@codesourcery.com>
6529         * cfgcleanup.c (try_optimize_cfg): Replace call to delete_insn_chain by
6530         call to delete_insn.  Remove code to reorder BASIC_BLOCK note and
6531         DELETED_LABEL note, and move it to ...
6532         * cfgrtl.c (delete_insn): ... here.  Change return type to void.
6533         (delete_insn_and_edges): Likewise.
6534         (delete_insn_chain): Handle new return type of delete_insn.  Delete
6535         chain backwards rather than forwards.
6536         * rtl.h (delete_insn, delete_insn_and_edges): Change return type to
6537         void.
6538         * cfglayout.c (fixup_reorder_chain): Delete unused label.
6540 2012-04-14  Jan Hubicka  <jh@suse.cz>
6542         * cgraph.h: Update copyrights;
6543         (symtab_node): Turn to union typedef.
6544         (symtab_node_base): New structure.
6545         (symtab_type): Add SYMTAB_SYMBOL tag.
6546         (cgraph_node): Annotate some pinters with nested_ptr.
6547         (varpool_node): Likewise.
6548         (cgraph_local_info): Remove lto_file_data
6549         and externally_visible.
6550         (cgraph_node): Remove decl; same_comdat_group list;
6551         aux; ref_list; order; address_taken; reachable_from_other_parittion,
6552         in_other_partition; resolution.
6553         (varpool_node): Remove decl; same_comdat_group;
6554         ref_list; lto_file_data; aux; order; resolution; externally_visible;
6555         used_from_other_partition; in_other_partition.
6556         (symtab_node_def): New union.
6557         (cgraph, varpool): Update.
6558         (varpool_first_static_initializer, varpool_next_static_initializer,
6559         cgraph_only_called_directly_or_aliased_p,
6560         varpool_can_remove_if_no_refs, varpool_can_remove_if_no_refs,
6561         varpool_all_refs_explicit_p, cgraph_alias_aliased_node,
6562         varpool_alias_aliased_node, cgraph_edge_recursive_p): Update
6563         field references.
6564         * cgraph.c: Likewise.
6565         (cgraph_hash, assembler_name_hash): Turn into symtab_node.
6566         * cgraphbuild.c: Likewise.
6567         * lto-symtab.c: Likewise.
6568         * c-gimplify.c: Likewise.
6569         * value-prof.c: Likewise.
6570         * tree.c: Likewise.
6571         * ipa-cp.c: Likewise.
6572         * tree-emutls.c: Likewise.
6573         * ipa-inline-transform.c: Likwise.
6574         * ipa-reference.c: Likewise.
6575         * cgraphunit.c: Likewise.
6576         * ipa-ref.c: Likewise.
6577         * lto-cgraph.c: Likewise.
6578         * ipa-ref-inline.h: Likewise.
6579         * ipa-pure-const.c: Likewise.
6580         * lto-streamer-out.c: Likewise.
6581         * ipa-utils.c: Likewise.
6582         * ipa-inline.c: Likewise.
6583         * matrix-reorg.c: Likewise.
6584         * tree-eh.c: Likewise.
6585         * tree-vectorizer.c: Likewise.
6586         * ipa-split.c: Likewise.
6587         * ipa.c: Likewise.
6588         * trans-mem.c: Likewise.
6589         * ipa-inline-analysis.c: Likewise.
6590         * gimplify.c: Likewise.
6591         * cfgexpand.c: Likewise.
6592         * tree-sra.c: Likewise.
6593         * ipa-prop.c: Likewise.
6594         * varasm.c: Likewise.
6595         * tree-nested.c: Likewise.
6596         * tree-inline.c: Likewise.
6597         * tree-profile.c: Likewise.
6598         * tree-ssa-structalias.c: Likewise.
6599         * passes.c: Likewise.
6600         * varpool.c: Likewise.
6602 2012-04-14  Tom de Vries  <tom@codesourcery.com>
6604         * tree-ssa-tail-merge.c (stmt_local_def): New function, factored out of
6605         same_succ_hash, with local_def inlined.  Use SINGLE_SSA_DEF_OPERAND.
6606         Use FOR_EACH_IMM_USE_FAST instead of FOR_EACH_IMM_USE_STMT.  Remove use
6607         of find_edge.
6608         (gsi_advance_fw_nondebug_nonlocal): New function.
6609         (local_def): Removed function.
6610         (same_succ_hash): Use stmt_local_def.
6611         (same_succ_equal): Use gsi_advance_fw_nondebug_nonlocal.
6612         (gsi_advance_bw_nondebug_nonlocal): Use stmt_local_def.
6614 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
6616         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
6617         and __ILP32__ for x32.
6619 2012-04-13  Martin Jambor  <mjambor@suse.cz>
6621         PR middle-end/52939
6622         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
6623         fold_ctor_reference returns a zero constant.
6625 2012-04-13  Enkovich Ilya  <ilya.enkovich@intel.com>
6627         * config.gcc: Add i386/gnu-user-common.h before all
6628         i386/gnu-user.h and i386/gnu-user64.h usages.
6630         * config/i386/gnu-user-common.h: New.
6632         * config/i386/gnu-user.h (CPP_SPEC): Moved to gnu-user-common.h.
6633         (CC1_SPEC): Likewise.
6634         (ENDFILE_SPEC): Likewise.
6635         (DEFAULT_PCC_STRUCT_RETURN): Likewise.
6636         (TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Likewise.
6637         (TARGET_OS_CPP_BUILTINS): Likewise.
6638         (LIBGCC2_HAS_TF_MODE): Likewise.
6639         (LIBGCC2_TF_CEXT): Likewise.
6640         (TF_SIZE): Likewise.
6641         (TARGET_ASM_FILE_END): Likewise.
6642         (STACK_CHECK_MOVING_SP): Likewise.
6643         (STACK_CHECK_STATIC_BUILTIN): Likewise.
6644         * config/i386/gnu-user64.h: Likewise.
6646 2012-04-13  Martin Jambor  <mjambor@suse.cz>
6648         * expr.c (expand_expr_real_1): Pass type, not the expression, to
6649         set_mem_attributes for a memory temporary. Do not call the function
6650         for the memory temporary created for a bitfield.
6652 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
6654         PR debug/48866
6655         * df.h (enum debug_temp_where): New.
6656         (dead_debug_init, dead_debug_finish) Declare.
6657         (dead_debug_add, dead_debug_insert_temp): Declare.
6658         (struct dead_debug_use, struct dead_debug): Moved from...
6659         * df-problems.c: ... here.
6660         (df_set_unused_notes_for_mw): Bind debug uses of unused regno
6661         to a debug temp.
6662         (df_create_unused_note): Likewise.
6663         (df_set_dead_notes_for_mw): Move comment where it belongs.
6664         (dead_debug_init): Export.
6665         (dead_debug_reset_uses): New, factored out of...
6666         (dead_debug_finish): ...this.  Export.
6667         (dead_debug_reset): Remove.
6668         (dead_debug_add): Export.
6669         (dead_debug_insert_before): Rename to...
6670         (dead_debug_insert_temp): ... this.  Add where argument.  Export.
6671         Locate stored value for BEFORE_WITH_VALUE.  Avoid repeat inserts.
6672         Return insertion count.
6673         (df_note_bb_compute): Adjust.
6674         * dce.c (word_dce_process_block): Adjust dead debug uses.
6675         (dce_process_block): Likewise.
6677 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
6679         * df-problems.c (df_note_bb_compute): Do not take note of
6680         debug uses for whose REGs we won't emit DEAD or UNUSED notes.
6682 2012-04-13  Alexandre Oliva  <aoliva@redhat.com>
6684         PR debug/51570
6685         * var-tracking.c (expand_depth): New type.
6686         (onepart_aux, expand_loc_callback_data): Change depth type to it.
6687         (loc_exp_dep_alloc): Adjust initializer.
6688         (update_depth): Use new type.  Add entryvals.
6689         (vt_expand_var_loc_chain): Take note of expansions with
6690         ENTRY_VALUEs, but don't accept them right away.  Run an optional
6691         second pass accepting the minimum ENTRY_VALUE count found in the
6692         first pass.
6693         (vt_expand_loc_callback, INIT_ELCD): Adjust.
6695 2012-04-13  Tom de Vries  <tom@codesourcery.com>
6697         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
6698         parameters vuse and vuse_escaped.
6699         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
6700         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
6701         vuse1 != vuse2.
6703 2012-04-13  Richard Guenther  <rguenther@suse.de>
6705         PR tree-optimization/52969
6706         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
6707         the condition for the COND_EXPR and handle predicate negation
6708         by swapping the COND_EXPR arms.
6710 2012-04-13  Nick Clifton  <nickc@redhat.com>
6712         * config/rl78/rl78.c (rl78_devirt_pass): Remove use of
6713         TODO_dump_func flag.
6715 2012-04-13  Andrey Belevantsev  <abel@ispras.ru>
6717         PR rtl-optimization/52203
6718         PR rtl-optimization/52715
6720         Revert the 2012-03-07 fix for PR 52203.
6721         * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that
6722         the insn does not modify DFA right before issuing, adjust
6723         issue_rate accordingly.
6725 2012-04-13  Richard Guenther  <rguenther@suse.de>
6727         PR c/52549
6728         * c-typeck.c (pointer_diff): Remove bogus assert.
6730 2012-04-13  Richard Guenther  <rguenther@suse.de>
6732         PR c/52862
6733         * convert.c (convert_to_pointer): Remove special-casing of zero.
6735 2012-04-13  Joey Ye  <joey.ye@arm.com>
6737         * config/arm/constraints.md (Pe): New constraint.
6738         * config/arm/arm.md: New split for imm 256-510.
6740 2012-04-13  Terry Guo  <terry.guo@arm.com>
6742         * config/arm/arm-cores.def: Added core cortex-m0plus.
6743         * config/arm/arm-tune.md: Regenerated.
6744         * config/arm/arm-tables.opt: Regenerated.
6745         * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
6747 2012-04-13  Alan Modra  <amodra@gmail.com>
6749         PR target/52828
6750         * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
6751         tie regs on destination of sets.  Delete forward declaration.
6752         (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
6753         (rs6000_emit_prologue): Likewise.
6754         (rs6000_emit_epilogue): Likewise.  Use in place of gen_frame_tie
6755         and gen_stack_tie.
6756         (is_mem_ref): Use tie_operand to recognise stack ties.
6757         * config/rs6000/predicates.md (tie_operand): New.
6758         * config/rs6000/rs6000.md (restore_stack_block): Generate new
6759         stack tie rtl.
6760         (restore_stack_nonlocal): Likewise.
6761         (stack_tie): Update.
6762         (frame_tie): Delete.
6764 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6766         * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
6767         HOST_WIDE_INT_PRINT_DEC in format strings.
6769 2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
6771         PR target/52932
6772         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
6773         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
6774         * config/i386/sse.md (UNSPEC_VPERMVAR): New.
6775         (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
6776         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
6777         (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
6778         avx2_permvarv8si using VI4F_256 mode iterator.
6779         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
6780         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
6781         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
6782         gen_avx2_permvarv8sf.
6783         (expand_vec_perm_pshufb): Ditto.
6785 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6787         PR target/52775
6788         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
6789         the list of options to enable the FCFID instruction.
6790         (TARGET_EXTRA_BUILTINS): Adjust comment.
6792 2012-04-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6794         PR tree-optimization/18589
6795         * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
6796         (operand_entry): Add count field.
6797         (add_repeat_to_ops_vec): New function.
6798         (completely_remove_stmt): Likewise.
6799         (remove_def_if_absorbed_call): Likewise.
6800         (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
6801         (acceptable_pow_call): New function.
6802         (linearize_expr_tree): Look for builtin pow/powi calls and add operand
6803         entries with repeat counts when found.
6804         (repeat_factor_d): New struct and associated typedefs.
6805         (repeat_factor_vec): New static vector variable.
6806         (compare_repeat_factors): New function.
6807         (get_reassoc_pow_ssa_name): Likewise.
6808         (attempt_builtin_powi): Likewise.
6809         (reassociate_bb): Call attempt_builtin_powi.
6810         (fini_reassoc): Two new calls to statistics_counter_event.
6812 2012-04-12  Richard Guenther  <rguenther@suse.de>
6814         * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
6815         * cgraph.h (tree_rest_of_compilation): Remove.
6816         * cgraph.c (cgraph_add_new_function): Move ...
6817         * cgraphunit.c (cgraph_add_new_function): ... here.
6818         (tree_rest_of_compilation): Make static.
6819         (cgraph_expand_function): Do not set cgraph_function_flags_ready.
6820         * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
6821         gate_all_early_local_passes, execute_all_early_local_passes,
6822         pass_early_local_passes, gate_all_early_optimizations,
6823         pass_all_early_optimizations): Move ...
6824         * passes.c (gate_all_optimizations, pass_all_optimizations,
6825         gate_all_early_local_passes, execute_all_early_local_passes,
6826         pass_early_local_passes, gate_all_early_optimizations,
6827         pass_all_early_optimizations): ... here.
6828         * tree-optimize.c (execute_free_datastructures): Remove.
6829         * tree-flow.h (execute_free_datastructures): Remove.
6830         * tree-optimize.c (execute_init_datastructures,
6831         pass_init_datastructures): Move ...
6832         * tree-ssa.c (execute_init_datastructures,
6833         pass_init_datastructures): ... here.
6834         * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
6835         execute_free_datastructures.
6837 2012-04-12  Bernd Schmidt  <bernds@codesourcery.com>
6839         * dbgcnt.def (ira_move): New counter.
6840         * ira-int.h (ira_create_new_reg): Declare function.
6841         (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
6842         * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
6843         no longer static.  All callers changed.
6844         * ira.c: Include "dbgcnt.h".
6845         (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
6846         move_unallocated_pseudos): New static functions.
6847         (first_moveable_pseudo, last_moveable_pseudo): New global variables.
6848         (pseudo_replaced_reg, pseudo_move_insn): New static variables.
6849         (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
6850         * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
6851         to the pseudos generated in find_moveable_pseudos.
6852         * Makefile.in (ira.o): Add $(DBGCNT_H).
6854 2012-04-12  Richard Guenther  <rguenther@suse.de>
6856         PR tree-optimization/52943
6857         * tree-chrec.h (chrec_is_positive): Remove.
6858         * tree-scalar-evolution.c (chrec_is_positive): Move ...
6859         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
6860         Return false for a constant zero instead of negative.
6861         (analyze_siv_subscript_cst_affine): Handle zero difference
6862         in the initial condition explicitely.
6864 2012-04-12  Richard Guenther  <rguenther@suse.de>
6866         * tree-parloops.c (parallelize_loops): Also consult the upper
6867         bound for the number of iterations.
6868         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
6869         (loop_prefetch_arrays): Likewise.
6871 2012-04-12  Richard Guenther  <rguenther@suse.de>
6873         * cfgloop.h (estimated_loop_iterations_int): Ditch
6874         'conservative' parameter.
6875         (max_stmt_executions_int): Likewise.
6876         (estimated_loop_iterations): Likewise.
6877         (max_stmt_executions): Likewise.
6878         (max_loop_iterations): Declare.
6879         (max_loop_iterations_int): Likewise.
6880         (estimated_stmt_executions): Likewise.
6881         (estimated_stmt_executions_int): Likewise.
6882         * tree-ssa-loop-niter.c (estimated_loop_iterations):
6883         Split parts to ...
6884         (max_loop_iterations): ... this.
6885         (estimated_loop_iterations_int): Split parts to ...
6886         (max_loop_iterations_int): ... this.
6887         (max_stmt_executions_int): Split parts to ...
6888         (estimated_stmt_executions_int): ... this.
6889         (max_stmt_executions): Split parts to ...
6890         (estimated_stmt_executions): ... this.
6891         * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
6892         * predict.c (predict_loops): Likewise.
6893         * tree-data-ref.c (max_stmt_executions_tree): Likewise.
6894         (analyze_siv_subscript_cst_affine): Likewise.
6895         (compute_overlap_steps_for_affine_1_2): Likewise.
6896         (analyze_subscript_affine_affine): Likewise.
6897         (init_omega_for_ddr_1): Likewise.
6898         * tree-parloops.c (parallelize_loops): Likewise.
6899         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6900         (may_eliminate_iv): Likewise.
6901         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
6902         (loop_prefetch_arrays): Likewise.
6903         * tree-vrp.c (adjust_range_with_scev): Likewise.
6905 2012-04-12  Oleg Endo  <olegendo@gcc.gnu.org>
6907         * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
6908         * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
6909         Fix line width.
6910         (dump_table): Use bool type for need_align and have_df variables.
6911         (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
6912         (regs_used): Remove register modifier.
6913         (barrier_align): Move variables slot, credit, jump_to_next
6914         into if block above for loop.  Use bool type for jump_to_next.
6915         (sh_function_arg): Use NULL_RTX instead of 0.
6917 2012-04-11  Andreas Schwab  <schwab@linux-m68k.org>
6919         * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
6920         (bswapsi2): New expander.
6922 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6924         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
6925         0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
6927 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6929         PR rtl-optimization/52876
6930         * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
6931         Don't call mark_reg_pointer for incompatible pointer sign extension.
6933         * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
6934         directly.
6936 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
6938         * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
6939         comparisons against TYPE_PRECISION.
6940         * tree-ssa-forwprop.c (combine_conversions): Likewise.
6942 2012-04-11  Xinliang David Li  <davidxl@google.com>
6944         * tree-passes.h: Remove TODO_dump_func.
6945         * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
6946         * trans-mem.c: Remove TODO_dump_func.
6947         * ira.c: Remove TODO_dump_func.
6949 2012-04-11  H.J. Lu  <hongjiu.lu@intel.com>
6951         * config/i386/i386.c (ix86_option_override_internal): Check
6952         SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
6953         after TARGET_64BIT is updated.
6955 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
6957         * config/sh/sh.h: Remove old secondary reload code.
6959 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
6961         * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
6962         (ready_reorder): ... this function.
6964 2012-04-11  Bernd Schmidt  <bernds@codesourcery.com>
6966         * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
6967         sched_init calls.
6969         * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
6970         insns so that no other insn is queued for a time before them.
6972         * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
6973         unknown.
6975 2012-04-11  Richard Guenther  <rguenther@suse.de>
6977         PR middle-end/52621
6978         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
6979         consider loop nesting.
6980         (evolution_function_is_univariate_p): Properly check the remainder
6981         for chrecs.
6983 2012-04-11  Richard Guenther  <rguenther@suse.de>
6985         PR middle-end/52918
6986         * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
6988 2012-04-11  Nick Clifton  <nickc@redhat.com>
6990         * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
6991         information, if requested.
6993         * config/rx/rx.c (rx_expand_prologue): Likewise.
6995 2012-04-11  Peter Bergner  <bergner@vnet.ibm.com>
6996             Michael Matz  <matz@suse.de>
6998         PR target/16458
6999         * rtlanal.c (unsigned_reg_p): New function.
7000         Update copyright notice dates.
7001         * rtl.h (unsigned_reg_p): Prototype it.
7002         Update copyright notice dates.
7003         * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
7004         Update comment.
7005         * expr.c (expand_expr_real_1): Set register attributes.
7006         * stmt.c (expand_case): Likewise.
7008 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
7010         PR target/50751
7011         * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
7012         consider_sh2a and allow_zero.
7013         * config/sh/sh.c (sh_legitimate_index_p): Likewise.
7014         (disp_addr_displacement): New function.
7015         (sh_address_cost): Use disp_addr_displacement function instead
7016         of DISP_ADDR_OFFSET.
7017         (sh_legitimate_address_p): Adapt to changed
7018         sh_legitimate_index_p declaration.
7019         (sh_find_mov_disp_adjust): Remove HImode check.
7020         (sh_secondary_reload): Add HImode case.  Use satisfies_constraint_Sdd,
7021         disp_addr_displacement and max_mov_insn_displacement.
7022         (max_mov_insn_displacement): Remove HImode check.
7023         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
7024         DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
7025         * config/sh/constraints.md (K05, K13): New constraints.
7026         (K12): Correct comment.
7027         (Sdd): Do not use DISP_ADDR_P macro.
7028         (Snd, Sbw): Use satisfies_constraint_Sdd.
7029         * config/sh/sh.md (extendhisi2): Remove constraints from expander.
7030         (*extendhisi2_compact, movhi_i): Remove.
7031         (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
7032         *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
7033         *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
7034         *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
7035         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
7036         *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
7037         *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
7038         CONST_OK_FOR_Kxx.
7039         Add new peepholes for HImode displacement addressing.
7041 2012-04-11  Oleg Endo  <olegendo@gcc.gnu.org>
7043         * config/sh/sh.h (SIDI_OFF): Remove.
7044         * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
7045         DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
7046         or operand_subword.
7048 2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>
7050         PR target/52624
7051         * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
7052         (PowerPC AltiVec/VSX Built-in Functions): Remove it.
7053         * doc/md.texi (Standard Names): Add bswap.
7054         * builtin-types.def (BT_UINT16): New primitive type.
7055         (BT_FN_UINT16_UINT16): New function type.
7056         * builtins.def (BUILT_IN_BSWAP16): New.
7057         * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
7058         (expand_builtin) <BUILT_IN_BSWAP16>: New case.  Pass TARGET_MODE to
7059         expand_builtin_bswap.
7060         (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
7061         (fold_builtin_1): Likewise.
7062         (is_inexpensive_builtin): Likewise.
7063         * optabs.c (expand_unop): Deal with bswap in HImode specially.  Add
7064         missing bits for bswap to libcall code.
7065         * tree.c (build_common_tree_nodes): Build uint16_type_node.
7066         * tree.h (enum tree_index): Add TI_UINT16_TYPE.
7067         (uint16_type_node): New define.
7068         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
7069         * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
7070         above builtin.
7071         (rs6000_init_builtins): Likewise.
7072         * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
7074 2012-04-11  Tristan Gingold  <gingold@adacore.com>
7076         * doc/extend.texi (Type Attributes): Move paragraph.
7078 2012-04-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7080         PR 24985
7081         * diagnostic.h (show_caret): Declare.
7082         (caret_max_width): Declare.
7083         (diagnostic_show_locus): Declare.
7084         * diagnostic.c (diagnostic_initialize): Initialize to false.
7085         (diagnostic_show_locus): New.
7086         (diagnostic_report_diagnostic): Call it.
7087         (getenv_columns): New.
7088         (adjust_line): New.
7089         (diagnostic_set_caret_max_width): New.
7090         * input.c (read_line): New.
7091         (location_get_source_line): New.
7092         * input.h (location_get_source_line): Declare.
7093         * toplev.c (general_init): Initialize show_caret from options.
7094         * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
7095         * opts.c (common_handle_option): Likewise.
7096         * pretty-print.h (pp_get_prefix): New.
7097         (pp_base_get_prefix): New.
7098         * common.opt (fdiagnostics-show-caret): New option.
7099         * doc/invoke.texi (fdiagnostics-show-caret): Document it.
7101 2012-04-11  Richard Guenther  <rguenther@suse.de>
7103         PR rtl-optimization/52881
7104         * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
7106 2012-04-11  Richard Guenther  <rguenther@suse.de>
7108         PR tree-optimization/52912
7109         * tree-ssa-threadupdate.c (thread_block): Tell the cfg
7110         manipulation code we are threading through a loop header
7111         to an exit destination.
7113 2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7115         * tree.h (warn_if_unused_value): Move declaration from here.
7116         * stmt.c (warn_if_unused_value): Move definition from here.
7118 2010-04-10  Michael Matz  <matz@suse.de>
7120         * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
7121         grouped_stores.
7122         (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
7123         (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
7124         (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
7125         (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
7126         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
7127         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
7128         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
7129         (vect_record_strided_load_vectors): Rename to
7130         vect_record_grouped_load_vectors.
7131         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
7132         Rename use of above macros.
7133         (vect_verify_datarefs_alignment): Ditto.
7134         (vector_alignment_reachable_p): Ditto.
7135         (vect_peeling_hash_get_lowest_cost): Ditto.
7136         (vect_enhance_data_refs_alignment): Ditto.
7137         (vect_analyze_group_access): Ditto and rename stride to groupsize.
7138         (vect_analyze_data_ref_access): Rename "strided" to "grouped".
7139         (vect_strided_store_supported): Rename to vect_grouped_store_supported.
7140         (vect_strided_load_supported): Rename to vect_grouped_load_supported.
7141         (vect_transform_strided_load): Rename to vect_transform_grouped_load.
7142         (vect_record_strided_load_vectors): Rename to
7143         vect_record_grouped_load_vectors.
7144         * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
7145         (destroy_loop_vec_info): Ditto.
7146         (vect_transform_loop): Ditto and rename strided_store to grouped_store.
7147         * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
7148         (vect_analyze_slp): Ditto.
7149         (new_bb_vec_info): Ditto.
7150         (destroy_bb_vec_info): Ditto.
7151         (vect_schedule_slp_instance): Ditto and rename strided_store to
7152         grouped_store.
7153         * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
7154         vect_cost_group_size.
7155         (vect_model_store_cost): Rename use of above macros and call
7156         to vect_cost_strided_group_size.
7157         (vect_model_load_cost): Ditto.
7158         (vectorizable_store): Ditto, rename strided_store to grouped_store
7159         and calls to renamed tree-vectorizer.h functions.
7160         (vectorizable_load): Ditto.
7161         (vect_transform_stmt): Rename use of above macros and strided_store
7162         to grouped_store.
7164 2012-04-10  Jan Hubicka  <jh@suse.cz>
7166         * cgraph.h: Remove misledaing comment on ipa-ref.h.
7167         (symtab_type): New enum.
7168         (symtab_node): New structure.
7169         (cgraph_node, varpool_node): Add symbol base type.
7170         (cgraph, varpool): New accestor functions.
7171         * cgraph.c (cgraph_create_node_1): Set symbol type.
7172         * varpool.c (varpool_node): Set symbol type.
7174 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
7175             Richard Sandiford  <rdsandiford@googlemail.com>
7177         * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
7179 2012-04-10  Richard Guenther  <rguenther@suse.de>
7181         PR middle-end/52888
7182         * gimple-low.c (gimple_check_call_args): Properly account for
7183         compatible aggregate types.
7185 2012-04-10  Richard Guenther  <rguenther@suse.de>
7187         * toplev.h (tree_rest_of_compilation): Remove.
7188         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7189         * cgraph.h (tree_rest_of_compilation): Declare.
7190         * tree-optimize.c (tree_rest_of_compilation): Move ...
7191         * cgraphunit.c (tree_rest_of_compilation): ... here.
7192         * cgraph.c (cgraph_add_new_function): Adjust.
7193         * Makefile.in (tree-optimize.o): Adjust.
7194         (cgraphunit.o): Likewise.
7196 2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
7198         PR tree-optimization/52870
7199         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
7200         presumed pattern statement is within the same loop or basic block.
7202 2012-04-10  Tristan Gingold  <gingold@adacore.com>
7204         * gengtype.c (main): Make uintptr_t a known type.
7206 2012-04-10  Richard Guenther  <rguenther@suse.de>
7208         * tree-pass.h (tree_lowering_passes): Remove.
7209         * tree-optimize.c (tree_lowering_passes): Remove.
7210         * cgraph.c (cgraph_add_new_function): Inline relevant parts
7211         of tree_lowering_passes, avoid redundant call of early local passes.
7212         * cgraphunit.c (cgraph_lower_function): Fold into ...
7213         (cgraph_analyze_function): ... its single caller.  Inline
7214         relevant parts of tree_lowering_passes.
7216 2012-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7218         PR other/52777
7219         * config/pa/pa.opt: Remove SIO and GNU_LD.
7221 2012-04-09  Jan Hubicka  <jh@suse.cz>
7223         PR lto/52722
7224         PR lto/51765
7225         PR lto/52634
7226         * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
7227         boundary, add its target too.
7228         * lto.c (add_references_to_partition): Add also aliased nodes.
7229         (add_cgraph_node_to_partition,
7230         add_varpool_node_to_partition): Work on nodes, not functions/variables;
7231         when adding alias, add also the aliased object.
7233 2012-04-09  Uros Bizjak  <ubizjak@gmail.com>
7235         PR target/52883
7236         * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
7237         VOIDmode immediate operands.
7238         * config/i386/constraints.md (Wz): New constraint.
7239         * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
7241 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
7243         PR target/52717
7244         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
7245         the DECL generated for the special GOT helper.
7247 2012-04-09  Oleg Endo  <olegendo@gcc.gnu.org>
7249         * config/sh/constraints.md: Update list of constraints in
7250         comment block.
7251         (Sr0): Remove unused memory constraint.
7253 2012-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7255         * tree-pretty-print.h: Update comment.
7257 2012-04-08  Oleg Endo  <olegendo@gcc.gnu.org>
7259         * config/sh/sh.md: Use braced string notation where applicable.
7260         (*prefetch_i4, prefetch_m2a): Merge into ...
7261         (*prefetch): ... this new insn.
7263 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
7265         * config/sh/sh.h (high_life_started): Remove
7266         * config/sh/predicates.md (general_movdst_operand): Use
7267         'reload_in_progress' instead of 'high_life_started'.
7268         * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
7269         divsi_inv_fp): Likewise.
7271 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
7273         * config/sh/sh-protos.h (prepare_move_operands): Return void
7274         instead of int.
7275         * config/sh/sh.c (prepare_move_operands): Likewise.
7276         * config/sh/sh.md: Remove return value checks of prepare_move_operands.
7278 2012-04-07  Oleg Endo  <olegendo@gcc.gnu.org>
7280         * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
7281         general_movsrc_operand, general_movdst_operand, arith_reg_operand,
7282         fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
7283         logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
7284         commutative_float_operator, noncommutative_float_operator,
7285         sh_handle_pragma): Remove.
7287 2012-04-06  Sandra Loosemore  <sandra@codesourcery.com>
7289         * doc/invoke.texi:  Clean up Texinfo markup throughout the file.
7290         Use @option markup on command-line options.  Use @samp markup on
7291         literal keywords to options.  Use @code markup on code fragments.
7292         Use other markup in preference to quotation marks in the text.
7293         Add markup to some passages without any.
7295 2012-04-06  Mike Stump  <mikestump@comcast.net>
7297         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
7299 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
7301         * config/sh/sh.c (hi_const): Remove.
7302         (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
7303         of hi_const.
7305 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
7307         * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
7308         to bool.
7309         * config/sh/sh.c (sh_expand_t_scc): Likewise.
7310         * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
7311         calling sh_expand_t_scc.
7313 2012-04-06  Oleg Endo  <olegendo@gcc.gnu.org>
7315         * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
7316         nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
7317         sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
7318         reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
7319         sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
7320         sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
7321         check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
7322         sh2a_is_function_vector_call): Use bool as return type.
7323         (sh_pass_in_reg_p): Remove.
7324         * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
7325         flow_dependent_p, sh2a_function_vector_p, expand_block_move,
7326         expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
7327         sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
7328         sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
7329         sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
7330         fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
7331         sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
7332         sh_loads_bankedreg_p): Use bool as return type.
7333         (nonpic_symbol_mentioned_p): Use bool as return type.  Remove
7334         'register' modifier.
7336 2012-04-06  Matt Turner  <mattst88@gmail.com>
7338         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
7340 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
7342         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
7343         of the destination isn't also a FP_REGS register.
7345 2012-04-05  Teresa Johnson  <tejohnson@google.com>
7346             H.J. Lu  <hongjiu.lu@intel.com>
7348         * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
7349         * config/i386/i386.md (move immediate to memory peephole2):
7350         Add cases for HImode move when LCP stall avoidance is needed.
7351         * config/i386/i386.c (initial_ix86_tune_features): Initialize
7352         X86_TUNE_LCP_STALL entry.
7354 2012-04-05  Uros Bizjak  <ubizjak@gmail.com>
7356         PR target/52882
7357         * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
7358         CONST_INT operands, zero-extended with AND.
7360 2012-04-05  Oleg Endo  <olegendo@gcc.gnu.org>
7362         PR target/50751
7363         * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
7364         first argument instead of mode size.  Move displacement calculations
7365         to ...
7366         (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
7367         ... these new functions.
7368         (disp_adjust): Remove max_mov_disp field.
7369         (sh_legitimate_index_p): Use max_mov_insn_displacement and
7370         mov_insn_alignment_mask.
7371         (sh_address_cost): Use max_mov_insn_displacement.
7373 2012-04-05  Andrew Stubbs  <ams@codesourcery.com>
7375         * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
7376         (arch_enabled): Handle new arch types.
7377         (one_cmpldi2): Add NEON support.
7379 2012-04-05  Richard Guenther  <rguenther@suse.de>
7381         * gimple.c (walk_gimple_op): Compute val_only for the LHS
7382         of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
7383         (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
7384         * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
7385         ... here and make static.
7386         * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
7387         Remove.
7389 2012-04-05  Richard Guenther  <rguenther@suse.de>
7391         * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
7392         basic-block before removing it.
7394 2012-04-05  Richard Guenther  <rguenther@suse.de>
7396         * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
7397         version namespace as we release the freelist.
7399 2012-04-05  Richard Guenther  <rguenther@suse.de>
7401         * tree-nrv.c (tree_nrv): Release VDEFs.
7402         * tree-sra.c (sra_modify_constructor_assign): Likewise.
7403         (sra_modify_assign): Likewise.
7404         * tree-vect-stmts.c (vect_remove_stores): Likewise.
7405         * tree-vect-loop.c (vect_transform_loop): Likewise.
7406         * tree-ssa-dom.c (optimize_stmt): Likewise.
7407         * tree-vect-slp.c (vect_schedule_slp): Likewise.
7408         * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
7410 2012-04-05  Richard Guenther  <rguenther@suse.de>
7412         * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
7413         cleanup.
7414         * gimple.h (gsi_remove): Adjust.
7415         * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
7416         * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
7417         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7418         * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
7419         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
7420         * tree-ssa-pre.c (eliminate): Likewise.
7422 2012-04-04  Mike Stump  <mikestump@comcast.net>
7424         * doc/rtl.texi (const_double): Document as sign-extending.
7425         * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
7426         * emit-rtl.c (immed_double_int_const): Refine to state the
7427         value is signed.
7428         * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
7429         CONST_DOUBLE integers.
7430         (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
7431         negative values are converted.  Fix conversions bigger than
7432         HOST_BITS_PER_WIDE_INT.
7433         (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
7434         (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
7435         * explow.c (plus_constant_mode): Add.
7436         (plus_constant): Implement with plus_constant_mode.
7437         * rtl.h (plus_constant_mode): Add.
7439 2012-04-04  Richard Guenther  <rguenther@suse.de>
7441         PR tree-optimization/52808
7442         * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
7443         * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
7445 2012-04-04  Tristan Gingold  <gingold@adacore.com>
7447         * expr.c (expand_expr_real_2): Handle larger sizetype in
7448         POINTER_PLUS_EXPR.
7450 2012-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7452         * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
7453         to m2a-single instead of m2e.
7455 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
7457         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
7458         Change type of BITOFFSET to signed.  Make sure the lower bound of
7459         the computed range is non-negative by adjusting OFFSET and BITPOS.
7460         (expand_assignment): Adjust call to get_bit_range.
7462 2012-04-03  Sandeep Kumar Singh  <Sandeep.Singh2@kpitcummins.com>
7464         * h8300/h8300.c (h8300_current_function_monitor_function_p):
7465         New function. Added to check monitor functions.
7466         (h8300_option_override): Modified to generate error/warning
7467         messages for invalid combinations of different command line
7468         options.
7469         * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
7470         save EXR on stack for monitor function in case of H8S target
7471         when "-mno-exr" is passed.
7472         * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
7473         Add prototype.
7474         * doc/invoke.texi: Document H8S options.
7476 2012-04-03  Tristan Gingold  <gingold@adacore.com>
7478         * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
7479         of gcc_AC_FUNC_MMAP_BLACKLIST.
7480         * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
7481         * Makefile.in (aclocal_deps): Add mmap.m4.
7482         * configure: Regenerate.
7483         * aclocal.m4: Regenerate.
7485 2012-04-03  Richard Guenther  <rguenther@suse.de>
7487         PR tree-optimization/52808
7488         * tracer.c (tail_duplicate): Return whether we have duplicated
7489         any block.
7490         (tracer): If we have duplicated any block, cleanup the CFG.
7491         * cfghooks.c (duplicate_block): If we duplicated a loop
7492         header but not its loop, destroy the loop because it now has
7493         multiple entries.
7494         * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
7495         the cfg manipulation routines we are not creating a multiple
7496         entry loop.
7498 2012-04-03  Tristan Gingold  <gingold@adacore.com>
7500         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
7501         'byte' alignment.
7502         (vms_c_common_override_options): Allow parameterless variadic
7503         functions.
7505 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
7507         PR tree-optimization/52835
7508         * tree-data-ref.c (build_rdg): Return NULL if
7509         compute_data_dependences_for_loop failed.
7511 2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
7513         * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
7514         for REAL_CST as well.
7515         (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
7516         In the bitfield case, if the value is a REAL_CST, convert it first to
7517         an INTEGER_CST.
7519 2012-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7521         * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
7522         for --with-abi={x32|mx32} or --with-multilib-list=mx32.
7523         (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
7525         * config/i386/biarchx32.h: New.
7527 2012-04-02  Anatoly Sokolov  <aesok@post.ru>
7529         * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
7530         * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
7531         (arm_preferred_reload_class): New function.
7533 2012-04-02  Richard Guenther  <rguenther@suse.de>
7535         PR tree-optimization/52756
7536         * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
7537         (thread_through_loop_header): After threading through the loop latch
7538         remove the split part from the loop and clear further threading
7539         opportunities that would create a multiple entry loop.
7541 2012-04-02  Richard Guenther  <rguenther@suse.de>
7543         PR rtl-optimization/52800
7544         * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
7545         CLEANUP_CFG_CHANGED.
7547 2012-04-02  Richard Guenther  <rguenther@suse.de>
7549         PR middle-end/52803
7550         * loop-init.c (gate_handle_loop2): Destroy loops here if
7551         we don't enter RTL loop optimizers.
7553 2012-04-02  Uros Bizjak  <ubizjak@gmail.com>
7555         Partially revert:
7556         2012-03-29  Richard Guenther  <rguenther@suse.de>
7558         * rtl.h (extended_count): Remove.
7559         * combine.c (extended_count): Remove.
7561 2012-04-02  Dodji Seketeli  <dodji@redhat.com>
7563         PR c++/40942
7564         * pt.c (more_specialized_fn):  Don't apply decay conversion to
7565         types of function parameters.
7567 2012-04-02  Tristan Gingold  <gingold@adacore.com>
7569         * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
7570         (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
7571         (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
7572         (ggc_pch_this_base): Use uintptr_t instead of size_t.
7574 2012-03-31  H.J. Lu  <hongjiu.lu@intel.com>
7576         PR bootstrap/52784
7577         * config/i386/i386.c (ix86_option_override_internal): Don't
7578         check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
7580 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
7582         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
7583         (stmt_can_make_abnormal_goto): Use it.
7584         (is_ctrl_altering_stmt): Likewise.
7586 2012-03-30  Naveen H.S  <naveen.S@kpitcummins.com>
7587             Kaz Kojima  <kkojima@gcc.gnu.org>
7589         * config/sh/sh.c (push_regs): Skip banked registers when
7590         resbank attribute is specified.
7591         (sh_expand_epilogue): Likewise.
7593 2012-03-30  Richard Henderson  <rth@redhat.com>
7595         PR debug/52727
7596         * combine-stack-adj.c (prev_active_insn_bb): New.
7597         (next_active_insn_bb): New.
7598         (force_move_args_size_note): New.
7599         (combine_stack_adjustments_for_block): Use it.
7601 2012-03-30  Richard Henderson  <rth@redhat.com>
7603         * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
7604         (ix86_expand_vector_init_duplicate): Initialize it.
7605         (expand_vec_perm_palignr): Likewise.
7606         (ix86_expand_vec_perm_const): Likewise.
7607         (ix86_vectorize_vec_perm_const_ok): Likewise.
7608         (expand_vec_perm_blend): Use it.
7609         (expand_vec_perm_vpermil): Likewise.
7610         (expand_vec_perm_pshufb): Likewise.
7611         (expand_vec_perm_1): Likewise.
7612         (expand_vec_perm_pshuflw_pshufhw): Likewise.
7613         (expand_vec_perm_interleave2): Likewise.
7614         (expand_vec_perm_vpermq_perm_1): Likewise.
7615         (expand_vec_perm_vperm2f128): Likewise.
7616         (expand_vec_perm_interleave3): Likewise.
7617         (expand_vec_perm_vperm2f128_vblend): Likewise.
7618         (expand_vec_perm_vpshufb2_vpermq): Likewise.
7619         (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
7620         (expand_vec_perm_broadcast): Likewise.
7621         (expand_vec_perm_vpshufb4_vpermq2): Likewise.
7623 2012-03-30  Richard Henderson  <rth@redhat.com>
7625         * dwarf2out.c (gen_variable_die): Initialize off.
7627 2012-03-30  Tristan Gingold  <gingold@adacore.com>
7629         * config/vms/vms-f.c: New file.
7630         * config/vms/t-vms (vms-f.o): New rule.
7631         * config.gcc (*-*-*vms*): Define fortran_target_objs.
7633 2012-03-30  Richard Guenther  <rguenther@suse.de>
7635         PR tree-optimization/52754
7636         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
7637         propagate arbitrary addresses into really plain dereferences.
7639 2012-03-30  Richard Guenther <rguenther@suse.de>
7641         PR middle-end/52772
7642         * except.c (emit_to_new_bb_before): Move loop updating ...
7643         (dw2_build_landing_pads): ... here.  Use a proper block for
7644         querying the loop father.
7646 2012-03-30  Tristan Gingold  <gingold@adacore.com>
7648         * config/ia64/ia64.c (ia64_section_type_flags): Remove
7649         common_object attribute handling.
7650         (SECTION_VMS_OVERLAY): Remove
7651         (ia64_vms_common_object_attribute): Replace abort with an assert.
7652         Do not set DECL_SECTION_NAME.
7653         (ia64_vms_output_aligned_decl_common): Handle common_object
7654         attribute.
7655         (ia64_vms_elf_asm_named_section): Remove.
7656         * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
7658 2012-03-30  Richard Guenther  <rguenther@suse.de>
7660         PR middle-end/52786
7661         * double-int.c (rshift_double): Remove not needed cast.
7663 2012-03-30  Richard Guenther  <rguenther@suse.de>
7665         * tree-affine.h (print_aff): Remove.
7666         * tree-affine.c (print_aff): Make static.
7667         * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
7668         (get_references_in_stmt): Likewise.
7669         (print_direction_vector): Likewise.
7670         (print_dir_vectors): Likewise.
7671         (print_dist_vectors): Likewise.
7672         (dump_subscript): Likewise.
7673         (dump_ddrs): Likewise.
7674         (dump_dist_dir_vectors): Likewise.
7675         (dump_data_references): Likewise.
7676         (dump_data_dependence_relation): Likewise.
7677         (dump_data_dependence_direction): Likewise.
7678         (dump_rdg_vertex): Likewise.
7679         (dump_rdg_component): Likewise.
7680         (debug_ddrs): Declare.
7681         (struct data_ref_loc_d): Move ...
7682         * tree-data-ref.c (struct data_ref_loc_d): ... here.
7683         (get_references_in_stmt): Make static.
7684         (dump_data_references): Likewise.
7685         (dump_subscript): Likewise.
7686         (print_direction_vector): Likewise.
7687         (print_dir_vectors): Likewise.
7688         (print_dist_vectors): Likewise.
7689         (dump_data_dependence_relation): Likewise.
7690         (dump_dist_dir_vectors): Likewise.
7691         (dump_ddrs): Likewise.
7692         (dump_rdg_vertex): Likewise.
7693         (dump_rdg_component): Likewise.
7694         (debug_ddrs): New function.
7695         (access_matrix_get_index_for_parameter): Remove.
7697 2012-03-30  Tristan Gingold  <gingold@adacore.com>
7699         * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
7700         (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
7701         (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
7702         (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
7703         (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
7704         (vms_patch_builtins): Handle new flags
7705         * config/vms/vms-crtlmap.map: Completed using nm on
7706         c and math system libraries.
7707         * config/vms/make-crtlmap.awk: Handle any number of flags.
7709 2012-03-30  Martin Jambor  <mjambor@suse.cz>
7711         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
7712         is a builtin_stack_save in a dominating BB.
7714 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
7716         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
7717         crossing 128bit lane boundary.
7719 2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7721         * ira-color.c (setup_left_conflict_sizes_p): Process all
7722         conflicting objects.
7724 2012-03-29  Jakub Jelinek  <jakub@redhat.com>
7726         PR tree-optimization/52760
7727         * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
7728         shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
7730 2012-03-29  Richard Guenther  <rguenther@suse.de>
7732         * cgraph.h (cgraph_materialize_all_clones): Remove.
7733         (reset_inline_failed): Likewise.
7734         * cgraphunit.c (cgraph_materialize_all_clones): Make static.
7735         * cgraphbuild.c (reset_inline_failed): Remove.
7736         * rtl.h (cse_main): Remove.
7737         (extended_count): Likewise.
7738         * cse.c (dump_class): Mark as DEBUG_FUNCTION.
7739         (cse_main): Make static.
7740         * combine.c (extended_count): Remove.
7741         (dump_combine_stats): Mark as DEBUG_FUNCTION.
7742         * basic-block.h (reorder_basic_blocks): Remove.
7743         * bb-reorder.c (reorder_basic_blocks): Make static.
7744         * Makefile.in (dse.o): Remove dse.h dependency.
7745         * dse.h: Remove.
7746         * dse.c (gate_dse): Remove.
7747         (clear_alias_mode_eq): Likewise.
7748         (clear_alias_mode_hash): Likewise.
7749         (dse_record_singleton_alias_set): Likewise.
7750         (dse_invalidate_singleton_alias_set): Likewise.
7752 2012-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7754         * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
7755         crtbegin_so%O%s for -shared.
7756         (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
7758 2012-03-29  Richard Guenther  <rguenther@suse.de>
7760         * tree-flow.h (struct pre_expr_d): Remove forward declaration.
7761         (add_to_value): Remove.
7762         (print_value_expressions): Likewise.
7763         * tree-ssa-pre.c (add_to_value): Make static.
7764         (print_value_expressions): Likewise.
7765         * gimple.h (gimple_adjust_this_by_delta): Remove.
7766         * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
7768 2012-03-29  Richard Guenther  <rguenther@suse.de>
7770         PR middle-end/50708
7771         * double-int.h (rshift_double): Remove.
7772         * double-int.c (lshift_double): Use absu_hwi to make count positive.
7773         (rshift_double): Make static, take unsigned count argument,
7774         remove handling of negative count argument.
7775         (double_int_rshift): Dispatch to lshift_double.
7777 2012-03-28  H.J. Lu  <hongjiu.lu@intel.com>
7779         * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
7780         OPTION_MASK_ABI_64.
7782         * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
7783         (SPEC_X32): Likewise.
7784         (MULTILIB_DEFAULTS): Likewise.
7786         * config/i386/i386.c (isa_opts): Remove -m64.
7787         (ix86_target_string): Properly handle -m32/-m64/-mx32.
7788         (ix86_option_override_internal): Properly
7789         set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
7790         handle -m32, -m64 and -mx32.
7792         * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
7793         with OPTION_ABI_X32.  Moved after TARGET_LP64.
7794         (TARGET_LP64): Changed to OPTION_ABI_64.
7796         * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
7797         (mx32): Replace ISA_X32 with ABI_X32.
7799 2012-03-28  Eric Botcazou  <ebotcazou@adacore.com>
7801         * tree.c (tree_size) <VECTOR_CST>: New case.
7803 2012-03-28  Uros Bizjak  <ubizjak@gmail.com>
7805         * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
7806         (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
7808 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
7810         PR middle-end/52691
7811         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
7812         __builtin_va_start to __builtin_next_arg if the latter is
7813         builtin_decl_explicit_p rather than when it is not.
7815         PR middle-end/52750
7816         * tree-vect-generic.c (vector_element): Perform multiplication
7817         for pos in bitsizetype type instead of idx type.
7819 2012-03-28  Richard Guenther  <rguenther@suse.de>
7821         * loop-init.c (loop_optimizer_init): If loops are preserved
7822         perform incremental initialization of required loop features.
7823         (loop_optimizer_finalize): If loops are to be preserved only
7824         clean up optional loop features.
7825         (rtl_loop_done): Forcefully free loops here.
7826         * cgraph.c (cgraph_release_function_body): Forcefully free loops.
7827         * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
7828         to existing loops.
7829         (construct_init_block): Likewise.
7830         (construct_exit_block): Likewise.
7831         (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state.  Cleanup
7832         the CFG after expanding.
7833         * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
7834         If we needed to calculate them, free them afterwards.
7835         * tree-pass.h (PROP_loops): New define.
7836         * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
7837         * basic-block.h (CLEANUP_CFG_CHANGED): New.
7838         * cfgcleanup.c (merge_blocks_move): Protect loop latches.
7839         (cleanup_cfg): If we did something and have loops around, fix them up.
7840         * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
7841         with CLEANUP_CFG_CHANGED.
7842         * cfghooks.c (merge_blocks): If we merge a loop header into
7843         its predecessor, update the loop structure.
7844         (duplicate_block): If we copy a loop latch, adjust loop state
7845         to note we may have multiple latches.
7846         (delete_basic_block): Mark loops for fixup if we remove a loop.
7847         * cfganal.c (forwarder_block_p): Protect loop latches, headers
7848         and preheaders.
7849         * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
7850         (cfg_layout_can_merge_blocks_p): Likewise.
7851         * cprop.c (bypass_block): If we create a loop with multiple
7852         entries, mark it for removal.
7853         * except.c (emit_to_new_bb_before): Add the new basic-block
7854         to existing loops.
7855         * tree-eh.c (lower_resx): Likewise.
7856         * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
7857         (expand_omp_taskreg): Likewise.
7858         * tree-inline.c (initialize_cfun): Likewise.
7859         * tree-mudflap.c (add_bb_to_loop): Prototype.
7860         (mf_build_check_statement_for): Properly add new basic-blocks
7861         to existing loops.
7862         * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
7863         if we remove a loop.
7864         (thread_through_loop_header): Likewise.
7865         * trans-mem.c (tm_log_emit_save_or_restores): Properly add
7866         new basic-blocks to existing loops.
7867         (expand_transaction): Likewise.
7868         * Makefile.in (except.o): Add $(CFGLOOP_H).
7869         (expr.o): Likewise.
7870         (cgraph.o): Likewise.
7871         (cprop.o): Likewise.
7872         (cfgexpand.o): Likewise.
7873         (cfganal.o): Likewise.
7874         (trans-mem.o): Likewise.
7875         (tree-eh.o): Likewise.
7877 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
7879         PR target/52692
7880         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
7881         (avr_builtin_decl): New static function.
7882         (struct avr_builtin_description, avr_bdesc): Move up.
7883         Add GTY marker. Add field fndecl. Remove redundant field id.
7884         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
7885         (avr_expand_builtin): Code cleanup because .id is removed.
7887 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
7889         PR target/52737
7890         * config.gcc (tm_file): Remove avr/multilib.h.
7892         * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
7894         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
7895         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
7896         * config/avr/t-avr: Remove generation of multilib.h.
7897         * config/avr/t-multilib: Regenerate.
7898         * config/avr/multilib.h: Remove.
7899         * config/avr/avr.opt (-msp8): New option.
7900         (avr_sp8): New variable.
7901         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
7902         * config/avr/avr.h (AVR_HAVE_SPH): New define.
7903         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
7904         (avr_device_to_sp8): New prototype.
7905         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
7906         (DRIVER_SELF_SPECS): New define.
7907         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
7908         __AVR_SP8__, __AVR_HAVE_SPH__.
7909         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
7910         AVR_HAVE_8BIT_SP to decide if SP_H is present.
7911         (avr_file_start): Ditto.
7913 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
7915         PR target/52736
7916         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
7917         instead of 8 in adjust_address.
7919 2012-03-27  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
7921         PR middle-end/51893
7922         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
7923         targets.
7925 2012-03-27  Oleg Endo  <olegendo@gcc.gnu.org>
7927         PR target/50751
7928         * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
7929         Rearrange conditional logic.  Move displacement address calculations
7930         to ...
7931         (sh_find_mov_disp_adjust): ... this new function.
7933 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7935         * config/arm/arm.opt (mapcs): Remove MaskExists.
7936         * config/cris/linux.opt (mno-gotplt): Likewise.
7937         * config/i386/i386.opt (mhard-float): Likewise.
7938         (msse4): Likewise.
7939         (mno-sse4): Likewise.
7940         * config/m68k/m68k.opt (mhard-float): Likewise.
7941         * config/mep/mep.op (mcop32): Likewise.
7942         * config/pa/pa-hpux.opt (msio): Likewise.
7943         * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
7944         * config/picochip/picochip.opt (mlittle): Likewise.
7945         * config/sh/sh.opt (mrenesas): Likewise.
7946         * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
7947         * config/sparc/sparc.opt (mhard-float): Likewise.
7948         * config/v850/v850.opt (mv850es): Likewise.
7949         * config/vax/vax.opt (mg-float): Likewise.
7951 2012-03-27  Martin Jambor  <mjambor@suse.cz>
7953         PR middle-end/52693
7954         * tree-sra.c (sra_modify_assign): Do not call
7955         load_assign_lhs_subreplacements when working with an unscalarizable
7956         region.
7958 2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
7960         PR target/52698
7961         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
7962         New prototype.
7963         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
7964         * config/i386/i386.c: Include reload.h.
7965         (ix86_legitimize_reload_address): New function.
7967 2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7969         * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
7970         hasn't been allocated.  Define a target macro for Mask and
7971         InverseMask if it hasn't been defined.  Remove MaskExists handling.
7973         * doc/options.texi: Remove MaskExists.
7975 2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
7977         PR target/52667
7978         * config/sh/sh.c (find_barrier): Add equality check of last_got
7979         to avoid going above orig insn. Update comments.
7981 2012-03-27  Richard Guenther  <rguenther@suse.de>
7983         PR middle-end/52720
7984         * fold-const.c (try_move_mult_to_index): Handle &x.array more
7985         explicitely.
7987 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
7989         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
7990         of a unit before computing the offset in units.
7991         * expr.c (get_bit_range): Return the null range if the enclosing record
7992         is part of a larger bit field.
7994 2012-03-27  Tristan Gingold  <gingold@adacore.com>
7996         * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
7997         * config/ia64/ia64.md: Remove mode in template.
7998         Sign extend operand in expand_simple_binop.
7999         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
8000         CASE_VECTOR_MODE instead of TARGET_ILP32.
8001         (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
8003 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
8005         * varasm.c (assemble_external): #if 0 out the new assert from the
8006         previous commit, it breaks the Java and Go front ends.
8008 2012-03-26  Steven Bosscher  <steven@gcc.gnu.org>
8010         * toplev.c (check_global_declaration_1): Do not call assemble_external.
8011         * expr.c (emit_block_move_libcall_fn): Likewise.
8012         (clear_storage_libcall_fn): Likewise.
8013         (expand_expr_addr_expr_1): Likewise.
8014         (expand_expr_real_1): Likewise.
8015         * calls.c (rtx_for_function_call): Likewise.
8017         * varasm.c (assemble_external): Assert this function is only called
8018         during or after expanding to RTL.
8020 2012-03-26  Martin Jambor  <mjambor@suse.cz>
8022         PR tree-optimization/50052
8023         * tree-sra.c (tree_non_aligned_mem_p): Removed.
8024         (tree_non_aligned_mem_for_access_p): Likewise.
8025         (build_accesses_from_assign): Removed strict alignment requirements
8026         checks.
8027         (access_precludes_ipa_sra_p): Likewise.
8029 2012-03-26  Richard Guenther  <rguenther@suse.de>
8031         PR tree-optimization/52701
8032         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
8033         compute and set the evolution part of PHI nodes.
8035 2012-03-26  Richard Guenther  <rguenther@suse.de>
8037         PR tree-optimization/52721
8038         * tree-vect-stmts.c (vect_init_vector): Handle scalars.
8040 2012-03-26  Ulrich Weigand  <ulrich.weigand@linaro.org>
8042         PR tree-optimization/52686
8043         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
8044         WIDEN_LSHIFT_EXPR.
8046 2012-03-26  Tristan Gingold  <gingold@adacore.com>
8048         * config/alpha/vms.h (LINK_SPEC): Simplify.
8049         (STARTFILE_SPEC): Remove -mvms-return-codes handling.
8050         (NAME__MAIN, SYMBOL__MAIN): Remove.
8051         (VMS_DEBUG_MAIN_POINTER): Remove.
8052         * config/ia64/vms.h: Likewise.
8053         * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
8054         code to vms.c.  Call vms_start_function.
8055         * config/ia64/ia64.c (ia64_start_function): Likewise.
8056         * config/vms/vms-protos.h (vms_start_function): Declare.
8057         * config/vms/vms.c (vms_start_function): New function.
8058         * config/vms/vms.h (MATH_LIBRARY): Define.
8059         (VMS_DEBUG_MAIN_POINTER): Define.
8061 2012-03-26  Eric Botcazou  <ebotcazou@adacore.com>
8063         PR rtl-optimization/52629
8064         * reload1.c (count_pseudo): Short-circuit common case.
8065         (count_spilled_pseudo): Return early for pseudos without hard regs.
8066         Assert that the pseudo has got a hard reg before manipulating it.
8068 2012-03-24  Jan Hubicka  <jh@suse.cz>
8070         PR lto/51663
8071         * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
8072         (decide_is_variable_needed): Do not handle toplevel reorder here.
8073         * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
8074         * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
8075         even at -O0.
8077 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
8079         * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
8080         and str_bitsize instead of more convoluted expressions.
8082 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
8084         PR target/52610
8085         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
8087 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
8089         PR target/52656
8090         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
8092 2012-03-23  Martin Jambor  <mjambor@suse.cz>
8094         * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
8096 2012-03-23  Richard Guenther  <rguenther@suse.de>
8098         PR tree-optimization/52678
8099         * tree-vectorizer.h (struct _stmt_vec_info): Add
8100         loop_phi_evolution_part member.
8101         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
8102         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
8103         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
8104         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
8105         Use the cached evolution part and the PHI nodes value from
8106         the loop preheader edge instead of re-analyzing the evolution.
8108 2012-03-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
8110         * config/mips/mips-tables.opt: Update.
8111         * config/mips/mips.md (processor): Add xlp.
8112         * config/mips/mips-cpus.def: Add xlp.
8113         * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
8114         5KF for now.
8115         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
8116         * doc/invoke.texi: Mention XLP.
8118 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
8120         PR middle-end/52547
8121         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
8122         on any new_local_var_chain vars declared during recursing on
8123         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
8125 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
8127         * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
8128         (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
8129         (ASM_OUTPUT_LOCAL): Ditto.
8130         (ASM_OUTPUT_COMMON): Remove.
8131         * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
8132         * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
8134 2012-03-22  Jan Hubicka  <jh@suse.cz>
8136         PR middle-end/51737
8137         * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
8138         parameter.
8139         * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
8140         * ipa-inline-transform.c (save_inline_function_body): Remove
8141         copied clone if needed.
8142         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
8144 2012-03-22  Richard Guenther  <rguenther@suse.de>
8146         PR middle-end/52666
8147         * fold-const.c (fold_ternary_loc): Fix typo.
8149 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
8151         PR target/52496
8152         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
8153         (unspecv): Add UNSPECV_MEMORY_BARRIER.
8154         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
8155         (delay_cycles_1, delay_cycles_2): Ditto.
8156         (delay_cycles_3, delay_cycles_4): Ditto.
8157         (nopv, *nopv): Ditto.
8158         (sleep, *sleep): Ditto.
8159         (wdr, *wdr): Ditto.
8161 2012-03-22  Richard Guenther  <rguenther@suse.de>
8163         PR tree-optimization/52548
8164         * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
8165         because of clobbers.
8166         (prune_clobbered_mems): New function.
8167         (compute_antic_aux): Use it to prune ANTIC_OUT.
8168         (compute_partial_antic_aux): Use it to prune PA_IN.
8169         (compute_avail): Only insert expressions into EXP_GEN that are not
8170         invalidated when translated up to the beginning of the block.
8172 2012-03-22  Richard Guenther  <rguenther@suse.de>
8174         PR tree-optimization/52638
8175         * tree-vect-stmts.c (vect_init_vector_1): New function, split
8176         out from ...
8177         (vect_init_vector): ... here.  Handle scalar vector inits.
8178         (vect_get_vec_def_for_operand): Adjust.
8179         (vectorizable_load): Likewise.
8181 2012-03-22  Uros Bizjak  <ubizjak@gmail.com>
8183         * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
8184         (alpha*-*-freebsd*): Ditto.
8185         (alpha*-*-netbsd*): Ditto.
8186         (alpha*-*-openbsd*): Ditto.
8187         * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
8188         (DWARF2_DEBUGGING_INFO): Remove.
8189         (PREFERRED_DEBUGGING_TYPE): Remove.
8190         (ASM_FINAL_SPEC): Remove.
8191         (IDENT_ASM_OP): Remove.
8192         (ASM_OUTPUT_IDENT): Remove.
8193         (SKIP_ASM_OP): Remove.
8194         (ASM_OUTPUT_SKIP): Remove.
8195         (ALIGN_ASM_OP): Remove.
8196         (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
8197         (ASM_OUTPUT_CASE_LABEL): Remove.
8198         (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
8199         (COMMON_ASM_OP): Remove.
8200         (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8201         (ASCII_DATA_ASM_OP): Remove.
8202         (READONLY_DATA_SECTION_ASM_OP): Remove.
8203         (INIT_SECTION_ASM_OP): Remove.
8204         (FINI_SECTION_ASM_OP): Remove.
8205         (ASM_SECTION_START_OP): Remove.
8206         (ASM_OUTPUT_SECTION_START_FILE): Remove.
8207         (TARGET_ASM_NAMED_SECTION): Remove.
8208         (TARGET_ASM_SELECT_SECTION): Remove.
8209         (MAKE_DECL_ONE_ONLY): Remove.
8210         (TYPE_ASM_OP): Remove.
8211         (SIZE_ASM_OP): Remove.
8212         (ASM_WEAKEN_LABEL): Remove.
8213         (TYPE_OPERAND_FMT): Remove.
8214         (ASM_DECLARE_RESULT): Remove.
8215         (ASM_DECLARE_OBJECT_NAME): Remove.
8216         (ASM_FINISH_DECLARE_OBJECT): Remove.
8217         (ELF_ASCII_ESCAPES): Remove.
8218         (ELF_STRING_LIMIT): Remove.
8219         (STRING_ASM_OP): Remove.
8220         (ASM_OUTPUT_EXTERNAL): Remove.
8221         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
8222         * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
8223         before define.
8224         (ASM_DECLARE_FUNCTION_NAME): Ditto.
8225         (ASM_DECLARE_FUNCTION_SIZE): Ditto.
8226         (ASM_GENERATE_INTERNAL_LABEL): Ditto.
8227         (ASM_OUTPUT_SKIP): Ditto.
8228         (READONLY_DATA_SECTION_ASM_OP): Remove.
8229         (USER_LABEL_PREFIX): Remove.
8230         (ASM_OUTPUT_ASCII): Remove.
8231         (ASM_OUTPUT_CASE_LABEL): Remove.
8232         (NO_DOLLAR_IN_LABEL): Undefine.
8234 2012-03-22  Richard Guenther  <rguenther@suse.de>
8236         PR tree-optimization/52459
8237         * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
8238         PHI insertion for calls.
8240 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
8242         * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
8243         find_sets_in_insn, canonicalize_insn): Split out from ...
8244         (cse_insn): ... here.
8245         (invalidate_from_clobbers): Take an insn instead of the pattern.
8247 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
8249         PR target/52479
8250         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
8251         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
8252         * config/sh/sh.md (sindf2, cosdf2): Remove.
8254 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
8256         PR target/52642
8257         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
8258         prologue for unwinder and profiler.
8260 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
8262         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
8263         Introduce emul_name to select the right linker emulation for
8264         powerpc64-*-freebsd*.
8265         * configure: Regenerate.
8266         * config.gcc: Add bits to support powerpc64-*-freebsd*.
8267         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
8268         * config/rs6000/freebsd64.h: New file.
8269         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
8270         POWERPC_FREEBSD.
8271         (rs6000_savres_strategy): Likewise.
8272         (rs6000_savres_routine_name): Likewise.
8273         (rs6000_elf_file_end): Likewise.
8274         * config/rs6000/t-freebsd64: New file.
8275         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
8276         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
8278         * config/rs6000/freebsd64.h: Remove duplicated entries from last
8279         commit.
8280         * config/rs6000/t-freebsd64: Likewise.
8282 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
8284         PR rtl-optimization/52543
8285         PR target/52461
8286         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
8287         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
8288         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
8289         (avr_load_libgcc_p): Restrict to __flash loads.
8290         (avr_out_lpm): Only handle 1-byte loads from __flash.
8291         (avr_load_lpm): New function.
8292         (avr_find_unused_d_reg): Remove.
8293         (avr_out_lpm_no_lpmx): Remove.
8294         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
8295         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
8296         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
8297         (load_<mode>, load_<mode>_clobber): New insns.
8298         (mov<mode>): For multi-byte move from non-generic
8299         16-bit address spaces: Expand to load_<mode> resp.
8300         load_<mode>_clobber.
8301         (load<mode>_libgcc): Remove expander.
8302         (split-lpmx): Remove split.
8304 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
8306         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
8307         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
8308         All callers changed.
8309         (Fixed_core_reg): New feature.
8310         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
8311         disassembly.
8312         * neon-testgen.ml: Handle Fixed_core_reg.
8314 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
8316         * config/arm/arm.c (thumb2_reorg): Add complete support
8317         for 16-bit instructions.
8318         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
8320 2012-03-21  Richard Guenther  <rguenther@suse.de>
8322         PR tree-optimizer/52636
8323         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
8324         to the appropriate type.
8326 2012-03-21  Richard Guenther  <rguenther@suse.de>
8328         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
8329         dependencies.
8330         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
8331         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
8332         * passes.c (init_optimization_passes): Remove pass_init_function,
8333         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
8334         * tree-pass.h (pass_init_function): Remove.
8335         (pass_jump): Remove.
8336         (pass_initial_value_sets): Remove.
8337         (pass_unshare_all_rtl): Remove.
8338         * integrate.c (pass_initial_value_sets): Remove.
8339         * emit-rtl.c (pass_unshare_all_rtl): Remove.
8340         * tree.h (init_function_for_compilation): Remove.
8341         * function.c (init_function_for_compilation): Remove.
8342         (pass_init_function): Remove.
8343         * cfgcleanup.c (rest_of_handle_jump): Remove.
8344         (pass_jump): Remove.
8346 2012-03-20  Jason Merrill  <jason@redhat.com>
8348         * tree-streamer-in.c (streamer_alloc_tree): Call
8349         ggc_alloc_zone_cleared_tree_node instead of
8350         ggc_alloc_zone_cleared_tree_node_stat.
8352 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
8354         * doc/extend.texi (Template Instantiation): Remove anachronisms.
8356 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
8358         PR target/52607
8359         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
8360         (ix86_expand_vec_perm_const_1): Call it.
8362         * config/i386/i386.c (vselect_insn): New variable.
8363         (init_vselect_insn): New function.
8364         (expand_vselect, expand_vselect_insn): Add testing_p argument.
8365         Call init_vselect_insn if vselect_insn is NULL.  Adjust
8366         PATTERN (vselect_insn), instead of creating a new insn each time,
8367         only emit a copy of it if not testing and recog has been successful.
8368         (expand_vec_perm_pshufb, expand_vec_perm_1,
8369         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
8370         callers.
8372         PR target/52607
8373         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
8374         ("enabled" attribute): Handle avx2 and noavx2 isas.
8375         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
8376         New insns.
8377         (vec_dup<mode>): Add avx2 =x,x alternative.
8378         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
8379         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
8380         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
8381         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
8382         for V8SFmode.
8383         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
8384         if possible, handle also V8SFmode.
8386 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
8388         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
8389         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
8390         reg_or_zero_operand predicate.
8391         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
8393 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
8395         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
8396         If operand isn't UNSPEC, return 0.
8398 2012-03-20  Richard Guenther  <rguenther@suse.de>
8400         * tree-pass.h (pass_rtl_eh): Remove.
8401         * except.c (gate_handle_eh): Likewise.
8402         (rest_of_handle_eh): Likewise.
8403         (pass_rtl_eh): Likewise.
8404         (finish_eh_generation): Export.
8405         * except.h (finish_eh_generation): Declare.
8406         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
8407         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
8408         after expanding stack alignment.  Instead of compacting blocks
8409         call cleanup_cfg.
8411 2012-03-20  Richard Guenther  <rguenther@suse.de>
8413         * stor-layout.c (finish_bitfield_representative): Fallback
8414         to conservative maximum size if the padding up to the next
8415         field cannot be computed as a constant.
8416         (finish_bitfield_layout): If we cannot compute the distance
8417         between the start of the bitfield representative and the
8418         bitfield member start a new representative.
8419         * expr.c (get_bit_range): The distance between the start of
8420         the bitfield representative and the bitfield member is zero
8421         if the field offsets are not constants.
8423 2012-03-20  Tristan Gingold  <gingold@adacore.com>
8425         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
8426         convert in lowercase.
8427         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
8428         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
8429         * stor-layout.c (sizetype_tab): Adjust.
8430         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
8431         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
8432         instead of type_kind_last.
8433         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
8434         instead of size_int_kind.
8435         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
8436         * doc/tm.texi: Regenerate.
8437         * defaults.h (SIZETYPE): Provide a default value.
8438         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
8439         (SIZETYPE): Define.
8441 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
8443         * config/sh/sh.md: Use braced string notation where applicable.
8445 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
8447         * config/i386/i386.md (allocate_stack): Simplify.
8449 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
8451         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
8452         copy_to_mode_reg (Pmode, ...).
8453         (expand_builtin_frame_address): Ditto.
8454         * expr.c (emit_block_move_via_libcall): Ditto.
8455         (set_storage_via_libcall): Ditto.
8457         * config/i386/i386.c (ix86_expand_movmem): Ditto.
8458         (ix86_expand_setmem): Ditto.
8459         (ix86_trampoline_init): DItto.
8460         * config/i386/i386.md (cmpstrnsi): Ditto.
8462 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
8464         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
8465         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
8466         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
8467         (SH Options): Likewise.
8469 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
8471         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
8472         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
8473         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
8474         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
8475         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
8477         Revert:
8478         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
8480         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
8481         * config/i386/i386.c (ix86_decompose_address): Use
8482         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
8483         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
8484         thread pointer to a register.
8486         Revert:
8487         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
8489         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
8490         if Pmode != word_mode.
8491         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
8492         Pmode == SImode for TARGET_X32.
8494         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
8495         (tls_initial_exec_x32): Likewise.
8497 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
8499         PR target/50751
8500         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
8501         DISP_ADDR_OFFSET): New macros.
8502         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
8503         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
8504         (sh_legitimize_address): Add QImode displacement handling.
8505         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
8506         vector subregs.
8507         (sh_secondary_reload): Add QImode displacement handling.
8508         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
8509         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
8510         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
8511         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
8512         to register operands only.
8513         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
8514         (extendqihi2): Change insn to expander.
8515         (*extendqihi2_compact_reg): New insn.
8516         (movqi_i, movqi): Replace with ...
8517         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
8518         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
8519         Add new peepholes for QImode displacement addressing.
8521 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
8523         PR c++/14710
8524         * doc/invoke.texi: Document -Wuseless-cast.
8526 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
8528         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
8529         * tree.h (handled_component_p): Reorder cases.
8530         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
8531         not initialize unsignedp.
8532         (loc_list_from_tree): Likewise.
8533         (fortran_common): Likewise.
8534         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
8536 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
8538         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
8539         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
8540         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
8541         (ix86_split_long_move): Ditto.
8542         (legitimize_tls_address): Use ix86_gen_sub3.
8543         (construct_plt_address): Assert that Pmode == DImode.
8545 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
8547         * config/i386/i386.md: Remove empty predicates and/or constraints.
8548         * config/i386/sync.md: Ditto.
8549         * config/i386/sse.md: Ditto.
8550         * config/i386/mmx.md: Ditto.
8551         * config/i386/pentium.md: Ditto.
8552         * config/i386/athlon.md: Ditto.
8554 2012-03-16  Richard Guenther  <rguenther@suse.de>
8556         PR tree-optimization/52603
8557         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
8558         comment.
8560         Revert
8561         2012-03-14  Richard Guenther  <rguenther@suse.de>
8563         PR tree-optimization/52571
8564         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
8565         flag_section_anchors check ...
8566         (vect_can_force_dr_alignment_p): ... here.
8568 2012-03-16  Martin Jambor  <mjambor@suse.cz>
8570         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
8571         memory through MEM_REFs by calling extract_bit_field.
8573 2012-03-16  Richard Guenther  <rguenther@suse.de>
8575         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
8576         and REFERENCE_TYPE interpretations.
8577         (can_native_interpret_type_p): New function.
8578         (fold_ternary_loc): Use native encode/interpret to fold
8579         BIT_FIELD_REFs of constants.
8581 2012-03-16  Richard Guenther  <rguenther@suse.de>
8583         PR middle-end/52584
8584         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
8585         of vector constants and constructors.
8587 2012-03-16  Richard Guenther  <rguenther@suse.de>
8589         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
8590         VIEW_CONVERT_EXPR to convert constants.
8591         (vect_is_simple_use): Treat all constants as vec_constant_def.
8593 2012-03-16  Richard Guenther  <rguenther@suse.de>
8594             Kai Tietz  <ktietz@redhat.com>
8596         PR middle-end/48814
8597         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
8598         side-effects completely in the pre-queue and use a temporary
8599         for the result.
8601 2012-03-16  Richard Guenther  <rguenther@suse.de>
8603         * stor-layout.c (finish_bitfield_representative): Fall back
8604         to the conservative maximum size if we cannot compute the
8605         size of the tail padding.
8607 2012-03-16  Tristan Gingold  <gingold@adacore.com>
8609         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
8610         __CRTL_VER and __VMS_VER.
8611         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
8612         and vms_c_get_vms_ver.
8613         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
8614         functions.
8615         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
8616         (VMS_DEFAULT_VMS_VER): Define.
8617         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
8618         (VMS_DEFAULT_VMS_VER): Define.
8620 2012-03-16  Richard Guenther  <rguenther@suse.de>
8622         * tree-vect-loop.c (get_initial_def_for_induction): Use
8623         build_constructor directly.
8624         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
8625         build_vector_from_val.
8626         * tree.c (build_vector_from_val): Avoid creating a constructor
8627         first when we want a constant vector.
8629 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8631         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
8633 2012-03-16  Richard Guenther  <rguenther@suse.de>
8635         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
8636         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
8637         (struct tree_vector): Remove elements member, add variable size
8638         elts array member.
8639         (build_vector_stat): Declare.
8640         (build_vector): Define in terms of build_vector_stat.
8641         * tree.c (build_vector): Rename to ...
8642         (build_vector_stat): ... this.  Take array of trees as parameter.
8643         (build_vector_from_ctor): Adjust.
8644         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
8645         initializer_zerop): Adjust.
8646         * cfgexpand.c (expand_debug_expr): Likewise.
8647         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
8648         const_vector_from_tree): Likewise.
8649         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
8650         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
8651         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
8652         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
8653         (lto_input_ts_vector_tree_pointers): Adjust.
8654         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
8655         (write_ts_vector_tree_pointers): Adjust.
8656         * varasm.c (const_hash_1, compare_constant, copy_constant,
8657         output_constant): Adjust.
8658         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
8659         * print-tree.c (print_node): Adjust.
8660         * tree-pretty-print.c (dump_generic_node): Adjust.
8661         * tree-vect-generic.c (uniform_vector_p, vector_element,
8662         lower_vec_perm): Adjust.
8663         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
8664         * tree-vect-slp.c (vect_get_constant_vectors,
8665         vect_transform_slp_perm_load): Adjust.
8666         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
8667         * expmed.c (make_tree): Adjust.
8668         * config/i386/i386.c (ix86_expand_builtin): Adjust.
8669         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
8670         and implementation.
8671         (sparc_fold_builtin): Adjust.
8673 2012-03-16  Tristan Gingold  <gingold@adacore.com>
8675         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
8676         * config/vms/vms-stdint.h: New file.
8678 2012-03-16  Tristan Gingold  <gingold@adacore.com>
8680         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
8681         (ia64-hp-*vms*): Replaced by ...
8682         (*-*-*vms*): ... This new entry.
8684 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
8686         PR target/52568
8687         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
8688         (ix86_expand_vec_perm_const_1): Use it.
8690         PR target/52568
8691         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
8692         (avx2_permv4df): Remove.
8693         (avx2_permv4di): Macroize into...
8694         (avx2_perm<mode>): ... this using VI8F_256 iterator.
8695         (avx2_permv4di_1): Macroize into...
8696         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
8698 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
8700         * combine.c (apply_distributive_law): Do not distribute SUBREG.
8702 2012-03-15  Ira Rosen  <irar@il.ibm.com>
8703             Ulrich Weigand  <ulrich.weigand@linaro.org>
8705         * tree-vect-patterns.c (widened_name_p): Rename to ...
8706         (type_conversion_p): ... this.  Add new argument to determine
8707         if it's a promotion or demotion operation.  Check for
8708         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
8709         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
8710         widened_name_p.
8711         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
8712         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
8713         Likewise.
8714         (vect_recog_mixed_size_cond_pattern): Likewise and allow
8715         non-constant then and else clauses.
8717 2012-03-15  Ira Rosen  <irar@il.ibm.com>
8718             Ulrich Weigand  <ulrich.weigand@linaro.org>
8720         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
8721         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
8722         vect_pattern_recog.
8723         * tree-vect-patterns.c (widened_name_p): Pass basic block
8724         info to vect_is_simple_use.
8725         (vect_recog_dot_prod_pattern): Fail for basic blocks.
8726         (vect_recog_widen_sum_pattern): Likewise.
8727         (vect_handle_widen_op_by_const): Support basic blocks.
8728         (vect_operation_fits_smaller_type,
8729         vect_recog_over_widening_pattern): Likewise.
8730         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
8731         Update call to vect_is_simple_use.
8732         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
8733         Add printing.
8734         (check_bool_pattern): Add an argument, update call to
8735         vect_is_simple_use and the recursive calls.
8736         (vect_recog_bool_pattern): Update relevant function calls.
8737         Add printing.
8738         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
8739         (vect_pattern_recog_1): Check for reduction only in loops.
8740         (vect_pattern_recog): Add new argument.  Support basic blocks.
8741         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
8742         info to vect_is_simple_use_1.
8743         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
8744         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
8746 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
8747             Andrew Pinski  <apinski@cavium.com>
8749         PR middle-end/52592
8750         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
8751         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
8752         calls instead of __builtin_ir{int,ound}*.
8754 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8756         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
8757         documentation.
8759 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
8761         * config.gcc (target_type_format_char): New. Document it. Set it for
8762         arm*-*-* .
8763         * configure.ac (gnu_unique_option): Use target_type_format_char
8764         in test.  Comment rationale.
8765         * configure: Regenerate .
8767 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
8769         PR tree-optimization/52267
8770         * tree-vrp.c (masked_increment): New function.
8771         (register_edge_assert_for_2): Derive ASSERT_EXPRs
8772         from (X & CST1) cmp CST2 tests.
8774 2012-03-15  Richard Guenther  <rguenther@suse.de>
8776         PR middle-end/52580
8777         * tree-data-ref.c (subscript_dependence_tester_1): Check
8778         all dimensions for non-conflicting access functions.
8780 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8782         PR c++/44783
8783         * doc/invoke.texi [C++ Language Options]: Document
8784         -ftemplate-backtrace-limit.
8786 2012-03-15  Tristan Gingold  <gingold@adacore.com>
8788         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
8789         before a parameter.
8791 2012-03-15  Tristan Gingold  <gingold@adacore.com>
8793         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
8794         use DW_OP_call_frame_cfa.
8796 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
8798         PR target/50797
8799         * config/i386/i386-opts.h (pmode): New.
8801         * config/i386/i386.c (ix86_option_override_internal): Properly
8802         check and set ix86_pmode.
8804         * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
8806         * config/i386/i386.opt (maddress-mode=): New.
8808         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
8810 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8812         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
8813         (dwarf2out_do_cfi_asm): Likewise.
8814         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
8815         handling.
8816         (add_data_member_location_attribute): Likewise.
8817         (gen_array_type_die): Likewise.
8818         (gen_subprogram_die): Likewise.
8819         (gen_producer_string): Likewise.
8820         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
8821         Remove MIPS_DEBUGGING_INFO handling.
8822         (sdb_debug_hooks): Likewise.
8823         (sdbout_begin_block): Likewise.
8824         (sdbout_end_block): Likewise.
8825         (sdbout_begin_prologue): Likewise.
8826         (sdbout_start_source_file): Likewise.
8827         (sdbout_end_source_file): Likewise.
8828         (sdbout_init): Likewise.
8829         * system.h (MIPS_DEBUGGING_INFO): Poison.
8831 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8833         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
8834         (alpha_file_start) [MS_STAMP]: Remove.
8836         * config/alpha/elf.h (TARGET_GAS): Remove.
8837         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
8838         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
8839         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
8840         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
8841         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
8842         (alpha*-*-freebsd*): Likewise.
8843         (alpha*-*-netbsd*): Likewise.
8844         (alpha*-*-openbsd*): Likewise.
8845         (alpha*-*-*): Remove target_cpu_default2.
8846         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
8847         handling.
8848         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
8849         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
8850         * config/alpha/alpha.c (print_operand): Always assume
8851         TARGET_AS_SLASH_BEFORE_SUFFIX.
8852         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
8853         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
8854         ("*builtin_setjmp_receiver_er_1"): Remove.
8855         * config/alpha/alpha.opt (malpha-as): Remove.
8856         (mgas): Ignore.
8857         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
8858         -malpha-as, -mgas.
8859         Remove DEC Unix reference.
8861         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
8862         (EXTENDED_COFF): Remove.
8863         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
8864         (EXTENDED_COFF): Don't undef.
8865         * config/alpha/alpha.c (alpha_file_start): Always assume
8866         OBJECT_FORMAT_ELF.
8867         Don't set targetm.asm_file_start_file_directive.
8868         [!OBJECT_FORMAT_ELF]: Remove.
8869         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
8871         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
8872         (DBX_DEBUGGING_INFO): Remove.
8873         (MIPS_DEBUGGING_INFO): Remove.
8874         (PREFERRED_DEBUGGING_TYPE): Remove.
8875         (DBX_OUTPUT_SOURCE_LINE): Remove.
8876         (SDB_OUTPUT_SOURCE_LINE): Remove.
8877         (DBX_CONTIN_LENGTH): Remove.
8878         (NO_DBX_FUNCTION_END): Remove.
8879         (ASM_STABS_OP): Remove.
8880         (ASM_STABN_OP): Remove.
8881         (ASM_STABD_OP): Remove.
8882         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
8883         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
8884         (PUT_SDB_DEF): Remove.
8885         (PUT_SDB_PLAIN_DEF): Remove.
8886         (PUT_SDB_TYPE): Remove.
8887         (sdb_label_count): Remove.
8888         (PUT_SDB_BLOCK_START): Remove.
8889         (PUT_SDB_BLOCK_END): Remove.
8890         (PUT_SDB_FUNCTION_START): Remove.
8891         (PUT_SDB_FUNCTION_END): Remove.
8892         (PUT_SDB_EPILOGUE_END): Remove.
8893         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
8894         (MIPS_DEBUGGING_INFO): Don't undef.
8895         (DBX_DEBUGGING_INFO): Don't undef.
8896         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
8897         (MIPS_DEBUGGING_INFO): Don't undef.
8898         (DBX_DEBUGGING_INFO): Don't undef.
8899         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
8900         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
8901         handling.
8902         (alpha_start_function): Likewise.
8903         (sdb_label_count): Remove.
8904         (alpha_output_filename): Remove DBX_DEBUG handling.
8905         (alpha_file_start): Likewise.
8907 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8909         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
8910         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
8911         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
8912         Solaris 8 support.
8913         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
8914         (ld_tls_support): Remove Solaris 8 references.
8915         (lwp_dir, lwp_spec): Remove support for alternate thread library.
8916         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
8917         * configure: Regenerate.
8918         * config.in: Regenerate.
8920         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
8921         * config/i386/sol2.h: Remove Solaris 8 references.
8923         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
8924         (i?86-*-solaris2.9): ... this.
8925         Remove Solaris 8 references.
8926         (Specific, *-*-solaris2*): Document Solaris 8 removal.
8927         Remove Solaris 8 references.
8929 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8931         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
8932         (mips-sgi-irix6.5*): Remove.
8933         * config.host (mips-sgi-irix*): Remove.
8934         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
8935         (set_have_as_tls): Remove *-*-irix6*.
8936         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
8937         * configure: Regenerate.
8939         * config/mips/iris6.h: Remove.
8940         * config/mips/iris6.opt: Remove.
8941         * config/mips/t-irix6: Remove.
8943         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
8944         (TARGET_IRIX6): Remove.
8945         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
8946         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
8947         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
8948         handling.
8949         (mips_file_start): Likewise.
8950         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
8952         * config/mips/driver-native.c [__sgi__]: Remove.
8953         (host_detect_local_cpu) [__sgi__]: Remove.
8955         * config/mips/gnu-user.h: Remove iris5.h reference.
8957         * config/mips/mips-modes.def: Remove IRIX 6 reference.
8958         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
8959         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
8960         Remove.
8962         * gcc.c (main): Move asm_debug initialization ...
8963         (asm_debug): ... here.
8965         * ginclude/stddef.h (__STDDEF_H__): Don't define.
8967         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
8968         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
8969         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
8970         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
8971         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
8972         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
8973         Remove.
8974         * doc/tm.texi: Regenerate.
8976         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
8977         IRIX 6 reference.
8978         (MIPS Options, -march): Remove IRIX reference.
8979         * doc/install.texi (Binaries, SGI IRIX): Remove.
8980         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
8981         of section.
8982         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
8984 2012-03-14  Martin Jambor  <mjambor@suse.cz>
8986         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
8987         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
8988         (expand_expr_real_1): Do not handle misalignment if modifier is
8989         EXPAND_WRITE.
8991 2012-03-14  Richard Guenther  <rguenther@suse.de>
8993         PR middle-end/52584
8994         * tree-vect-generic.c (type_for_widest_vector_mode): Take
8995         element type instead of mode, use build_vector_type_for_mode
8996         instead of the langhook, build a vector of proper signedness.
8997         (expand_vector_operations_1): Adjust.
8999 2012-03-14  Richard Guenther  <rguenther@suse.de>
9001         PR middle-end/52582
9002         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
9003         a cgraph node for a FUNCTION_DECL that comes from a constructor.
9004         (gimple_get_virt_method_for_binfo): Likewise.
9006 2012-03-14  Richard Guenther  <rguenther@suse.de>
9008         PR tree-optimization/52571
9009         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
9010         flag_section_anchors check ...
9011         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
9012         DECL_COMMON variables.
9014 2012-03-14  Richard Guenther  <rguenther@suse.de>
9016         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
9017         * stor-layout.c (start_bitfield_representative): New function.
9018         (finish_bitfield_representative): Likewise.
9019         (finish_bitfield_layout): Likewise.
9020         (finish_record_layout): Call finish_bitfield_layout.
9021         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
9022         for QUAL_UNION_TYPE fields.
9023         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
9024         Stream DECL_BIT_FIELD_REPRESENTATIVE.
9025         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
9027         PR middle-end/52080
9028         PR middle-end/52097
9029         PR middle-end/48124
9030         * expr.c (get_bit_range): Unconditionally extract bitrange
9031         from DECL_BIT_FIELD_REPRESENTATIVE.
9032         (expand_assignment): Adjust call to get_bit_range.
9034 2012-03-14  Richard Guenther  <rguenther@suse.de>
9036         PR middle-end/52578
9037         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
9038         the outermost conversion is a sign-change only.
9039         (fold_binary_loc): Disregard widening and sign-changing
9040         conversions when we determine if two variables are equal
9041         for reassociation.
9042         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
9043         (T1)x if the outermost conversion is a sign-change only.
9045 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
9047         Revert:
9048         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
9050         * config/i386/predicates.md (constant_call_address_operand): Declare
9051         as special predicate.  Update all uses.
9053 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
9055         PR c/52577
9056         * c-parser.c (c_parser_postfix_expression)
9057         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
9059         * config/i386/smmintrin.h: Avoid /* within a comment.
9060         * config/i386/nmmintrin.h: Likewise.
9062 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
9064         * config/i386/i386.md (xbegin): Remove constraint from expander.
9066 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
9068         * config/i386/predicates.md (constant_call_address_operand): Declare
9069         as special predicate.  Update all uses.
9070         * config/i386/i386.md: Remove mode from constant_call_address_operand
9071         predicates.
9072         * config/i386/i386.c (ix86_output_call_insn): Call
9073         constant_call_address_operand with VOIDmode.
9075 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
9077         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
9078         AND zero extended address correctly.
9080 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
9082         * config/i386/predicates.md (tls_symbolic_operand): Declare as
9083         special predicate.
9084         (tls_modbase_operand): Ditto.
9085         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
9086         tls_modbase_operand predicates.
9088 2012-03-13  Martin Jambor  <mjambor@suse.cz>
9090         * expr.c (expand_assignment): Handle misaligned scalar writes to
9091         memory through top-level MEM_REFs by calling store_bit_field.
9093 2012-03-13  Richard Guenther  <rguenther@suse.de>
9095         PR middle-end/52134
9096         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
9097         if Y is a constant multiple of 1 << CST.
9099 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
9101         PR target/52488
9102         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
9103         offset (size) to a value the insns can deal with.
9104         (expand_epilogue): Ditto.
9106 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
9108         * config/arm/neon.ml (ops): Fixup expected instructions for
9109         unsigned vector compares.
9111 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
9113         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
9114         addresses only when %reg is not in word mode.
9116 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9118         * config/microblaze/microblaze.md: Fix typo.
9119         * tree-if-conv.c: Likewise.
9120         * tree-vect-patterns.c: Likewise.
9122 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9124         * config.gcc (extra_passes): Remove.
9125         * configure.ac (extra_passes): Don't substitute.
9126         * configure: Regenerate.
9127         * Makefile.in (EXTRA_PASSES): Remove.
9128         (GCC_PASSES): Remove $(EXTRA_PASSES).
9129         (MOSTLYCLEANFILES): Likewise.
9130         (native): Likewise.
9131         (install-common): Likewise.
9133 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
9135         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
9136         * config/i386/i386.c (ix86_decompose_address): Use
9137         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
9138         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
9139         thread pointer to a register.
9141 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9143         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
9144         on tls_symbolic_operand.
9145         (tls_global_dynamic_64_<mode>): Likewise.
9147 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
9149         PR other/52545
9150         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
9151         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
9153 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
9155         PR target/52499
9156         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
9157         type from reg_class_t to enum reg_class.
9158         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
9160 2012-03-12  Andrew Pinski  <apinski@cavium.com>
9162         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
9163         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
9164         (value_replacement): Likewise.
9165         (empty_block_p): Check also if the PHIs for the block are empty.
9167 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
9169         PR target/52148
9170         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
9171         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
9172         r184615 from 2012-02-28.
9174 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9176         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
9177         (ix86_gen_tls_local_dynamic_base_64): Likewise.
9178         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
9179         and ix86_gen_tls_local_dynamic_base_64.
9180         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
9181         ix86_gen_tls_local_dynamic_base_64.
9183         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
9184         (*tls_global_dynamic_64_<mode>): This.
9185         (tls_global_dynamic_64): Renamed to ...
9186         (tls_global_dynamic_64_<mode>): This.
9187         (*tls_local_dynamic_base_64): Renamed to ...
9188         (*tls_local_dynamic_base_64_<mode>): This.
9189         (tls_local_dynamic_base_64): Renamed to ...
9190         (tls_local_dynamic_base_64_<mode>): This.
9192 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9194         * config/i386/i386.c (ix86_option_override_internal): Properly
9195         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
9196         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
9197         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
9198         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
9200         * config/i386/sse.md (sse3_monitor64): Renamed to ...
9201         (sse3_monitor64_<mode>): This.
9203 2012-03-12  Tristan Gingold  <gingold@adacore.com>
9205         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
9206         (ia64_function_arg_advance): Ditto.
9208 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9210         * config.gcc (mips*-*-openbsd*): Remove.
9211         * config/mips/openbsd.h: Remove.
9212         * config/mips/sdb.h: Remove.
9214         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
9215         * config/mips/mips.c (sdb_label_count): Remove.
9216         (mips_debugger_offset): Remove #if 0 code.
9217         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
9218         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
9220 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9222         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
9223         binutils reference.
9224         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
9225         Update binutils references.
9226         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
9227         Update binutils reference.
9228         Update Sun as/GNU ld caveat.
9229         Document binutils largefile requirement for LTO plugin.
9230         Remove reference to alternate libpthread.
9232 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9234         * config.gcc (alpha*-dec-osf5.1*): Remove.
9235         * config.host (alpha*-dec-osf*): Remove.
9236         * configure.ac (*-*-osf*): Remove.
9237         (alpha*-dec-osf*): Remove.
9238         * configure: Regenerate.
9240         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
9241         config/alpha/va_list.h, config/alpha/x-osf: Remove.
9243         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
9244         * config/alpha/alpha.c (struct machine_function): Update comment.
9245         (alpha_start_function): Remove Tru64 UNIX as handling for
9246         max_frame_size.
9247         * config/alpha/alpha.md ("exception_receiver"): Remove
9248         TARGET_LD_BUGGY_LDGP.
9249         ("*exception_receiver_2"): Likewise.
9250         * except.c (finish_eh_generation): Remove Tru64 reference.
9251         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
9252         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
9253         * target.def (handle_pragma_extern_prefix): Remove.
9255         * Makefile.in (mips-tfile.o-warn): Remove.
9256         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
9257         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
9258         * mips-tdump.c, mips-tfile.c: Remove.
9260         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
9261         extern_prefix.
9262         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
9263         (Specific, alpha*-dec-osf5.1): Note removal.
9264         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
9265         Remove.
9266         * doc/tm.texi: Regenerate.
9267         * doc/trouble.texi (Cross-Compiler Problems): Remove.
9269 2012-03-12  Richard Guenther  <rguenther@suse.de>
9271         * config/arm/arm.c (neon_dereference_pointer): Do not call
9272         covert during RTL expansion.
9274 2012-03-12  Tristan Gingold  <gingold@adacore.com>
9276         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
9277         Options.  Mention -mpointer-size.
9279 2012-03-12  Richard Guenther  <rguenther@suse.de>
9281         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
9282         build_nonstandard_integer_type.
9284 2012-03-12  Richard Guenther  <rguenther@suse.de>
9286         * tree.c (signed_or_unsigned_type_for): Use
9287         build_nonstandard_integer_type.
9288         (signed_type_for): Adjust documentation.
9289         (unsigned_type_for): Likewise.
9290         * tree-pretty-print.c (dump_generic_node): Use standard names
9291         for non-standard integer types if available.
9293 2012-03-12  Tristan Gingold  <gingold@adacore.com>
9295         * config/vms/vms.opt: Add vms-opts.h header.
9296         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
9297         target mask.
9298         (-mvms-return-codes): Document.
9299         (-mpointer-size): New option.
9300         (vms_pointer_size): Add enumeration.
9301         * config/vms/vms-opts.h: New file.
9302         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
9303         __INITIAL_POINTER_SIZE.
9304         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
9305         (C_COMMON_OVERRIDE_OPTIONS): Define.
9306         (DWARF2_ADDR_SIZE): Define.
9307         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
9308         * config/vms/vms-protos.h (vms_c_common_override_options):
9309         New prototype.
9310         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
9311         if -mno-pointer-size.
9312         (vms_c_common_override_options): New function.
9313         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
9314         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
9315         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
9316         and flag_vms_pointer_size.
9317         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
9318         * config.gcc (*-*-*vms*): Define xm_file.
9319         (alpha*-dec-*vms*): Do not define xm_file.
9320         (alpha64-dec-*vms*): Remove.
9321         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
9322         and tmake_file.
9324 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
9326         PR tree-optimization/51721
9327         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
9328         if (int) unsvar cmp CST.
9330 2012-03-12  Richard Guenther  <rguenther@suse.de>
9332         * tree-sra.c (create_access_replacement): Only rename the replacement
9333         if we can rewrite it into SSA form.  Properly mark register typed
9334         replacements that we cannot rewrite with TREE_ADDRESSABLE.
9335         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
9336         for aggregate or BLKmode results.
9338 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
9340         PR tree-optimization/52533
9341         * tree-vrp.c (register_edge_assert_for_2): Use double_int
9342         type for mask, only handle shifts by non-zero in-range
9343         shift count, for LE_EXPR and GT_EXPR if new_val is
9344         maximum, don't add the assertion.
9346 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
9348         * doc/invoke.texi: Document -mrtm option.
9349         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
9350         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
9351         (ix86_handle_option): Handle OPT_mrtm.
9352         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
9353         xtestintrin.h.
9354         (x86_64-*-*): Ditto.
9355         * i386-builtin-types.def (INT_FTYPE_VOID): New.
9356         * config/i386/i386-c.c (ix86_target_macros_internal): Define
9357         __RTM__ if needed.
9358         (ix86_target_string): Define -mrtm option.
9359         (PTA_RTM): New.
9360         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
9361         Handle new option.
9362         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
9363         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
9364         IX86_BUILTIN_XTEST.
9365         (bdesc_special_args): Ditto.
9366         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
9367         (ix86_expand_special_args_builtin): Handle new built-in type.
9368         (ix86_expand_builtin): Handle XABORT instruction.
9369         * config/i386/i386.h (TARGET_RTM): New.
9370         * config/i386/i386.md (UNSPECV_XBEGIN): New.
9371         (UNSPECV_XEND): Ditto.
9372         (UNSPECV_XABORT): Ditto.
9373         (UNSPECV_XTEST): Ditto.
9374         (xbegin): Ditto.
9375         (xbegin_1): Ditto.
9376         (xend): Ditto.
9377         (xabort): Ditto
9378         (xtest): Ditto.
9379         (xtest_1): Ditto.
9380         * config/i386/i386.opt (mrtm): New.
9381         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
9382         * config/i386/rtmintrin.h: New header.
9383         * config/i386/xtestintrin.h: Ditto.
9385 2012-03-12  Tristan Gingold  <gingold@adacore.com>
9387         * ginclude/stddef.h: Adjust previous patch.
9388         Use __VMS__ instead of VMS.
9390 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
9392         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
9393         Also convert sequences with CC setting arithmetic instruction.
9395 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
9397         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
9398         from C Language Options to Preprocessor Options.
9399         (C Dialect Options): Move -no-integrated-cpp documentation
9400         from here...
9401         (Preprocessor Options): ...to here.  Rewrite the description
9402         so it makes more sense, and remove discussion of merging front ends.
9404 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
9406         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
9407         needed for loop.
9408         (ix86_expand_setmem): Likewise.
9410 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
9412         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
9413         convert_to_mode.
9415 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
9417         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
9418         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
9420 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
9422         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
9424 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
9426         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
9427         TARGET_64BIT.
9429 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
9430             Uros Bizjak  <ubizjak@gmail.com>
9432         * config/i386/predicates.md (call_insn_operand): Allow
9433         constant_call_address_operand in Pmode only.
9434         (sibcall_insn_operand): Ditto.
9435         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
9436         (*call_vzeroupper): Ditto.
9437         (*sibcall): Ditto.
9438         (*sibcall_vzeroupper): Ditto.
9439         (*call_value): Ditto.
9440         (*call_value_vzeroupper): Ditto.
9441         (*sibcall_value): Ditto.
9442         (*sibcall_value_vzeroupper): Ditto.
9443         (*indirect_jump): Ditto.
9444         (*tablejump_1): Ditto.
9445         (indirect_jump): Convert memory address to word mode for TARGET_X32.
9446         (tablejump): Ditto.
9447         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
9448         to word mode.
9450 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
9452         PR target/51244
9453         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
9454         Use movrt_negc instead of negc pattern for non-SH2A.
9455         (*movnegt): Remove.
9456         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
9458 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
9460         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
9461         if Pmode != word_mode.
9462         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
9463         Pmode == SImode for TARGET_X32.
9465         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
9466         (tls_initial_exec_x32): Likewise.
9468 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
9470         PR rtl-optimization/52528
9471         * combine.c (can_combine_p): Add setting of subst_low_luid
9472         before call to expand_field_assignment().
9474 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
9476         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
9477         and related program names.
9479 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
9481         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
9483 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
9485         PR target/52530
9486         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
9487         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
9488         to set code to 'q'.
9489         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
9490         (*movdi_internal_rex64): Use %E operand modifier for lea.
9491         (*movsi_internal): Ditto.
9492         (*lea_1): Ditto.
9493         (*lea<mode>_2): Ditto.
9494         (*lea_{3,4,5,6}_zext): Ditto.
9495         (*tls_global_dynamic_32_gnu): Ditto.
9496         (*tls_global_dynamic_64): Ditto.
9497         (*tls_dynamic_gnu2_lea_32): Ditto.
9498         (*tls_dynamic_gnu2_lea_64): Ditto.
9499         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
9501 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
9503         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
9504         redefine to be NULL if the current bit-size is different from the
9505         configured bit-size.
9507         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
9508         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
9509         set the default tuning.  Add asserts to make sure the cpu and tune
9510         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
9511         test whether the index is set, instead of > 0.
9512         (rs6000_file_start): Do not reset the default cpu if the current
9513         bit-size is different from the configured bit-size.
9515 2012-03-09  Tristan Gingold  <gingold@adacore.com>
9517         * config/vms/vms-crtlmap.map: Add comments.
9518         Add entries needed to build Ada RTS.
9520 2012-03-09  Tristan Gingold  <gingold@adacore.com>
9522         * ginclude/stddef.h: Do not define __size_t on VMS.
9524 2012-03-09  Tristan Gingold  <gingold@adacore.com>
9526         * c-tree.h (c_default_pointer_mode): New variable.
9527         * c-decl.c (c_default_pointer_mode): New variable.
9528         (c_build_pointer_type): New function.
9529         (grokdeclarator): Call c_build_pointer_type instead
9530         of build_pointer_type.
9532         * config/vms/vms-c.c: Include c-tree.h
9533         (saved_pointer_mode): New variable.
9534         (handle_pragma_pointer_size): New function.
9535         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
9536         (vms_c_register_pragma): Register __pointer_size and
9537         __required_pointer_size pragmas.
9539 2012-03-09  Tristan Gingold  <gingold@adacore.com>
9541         * config/vms/vms-c.c (vms_construct_include_filename): New function.
9542         (vms_c_register_includes): Reference it.
9544 2012-03-09  Andrew Pinski  <apinski@cavium.com>
9546         PR middle-end/51988
9547         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
9548         print_generic_expr.
9549         (tree_ssa_phiopt_worker): Go through all the PHIs for
9550         value_replacement instead of just the singleton one.
9551         (value_replacement): Change return type to int.  Return 0 instead of
9552         false.
9553         Allow the middle basic block to contain more than just the defining
9554         statement.
9555         Handle non empty middle basic blocks.
9556         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
9558 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
9560         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
9561         array reference and component reference.
9562         (analyze_scalar_evolution_for_address_of): New.
9564 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
9566         PR target/49862
9567         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
9568         (hwloop_pattern_reg): Fix set but not used warning.
9569         (bfin_reorg_loops): Remove unused parameter.
9570         (bfin_reorg): Update use of bfin_reorg_loops.
9572 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
9574         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
9575         with integer parameters in registers.
9576         (gen_push): Push register in word_mode instead of Pmode.
9577         (ix86_emit_save_regs): Likewise.
9578         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
9579         (gen_pop): Pop register in word_mode instead of Pmode.
9580         (ix86_emit_restore_regs_using_pop): Likewise.
9581         (ix86_expand_prologue): Replace Pmode with word_mode for push
9582         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
9583         restore RAX and R10 in word_mode.
9584         (ix86_emit_restore_regs_using_mov): Restore integer registers
9585         in word_mode.
9586         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
9587         word_mode.
9588         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
9589         (ix86_split_long_move): Likewise.
9591         * config/i386/i386.md (W): New.
9592         (*push<mode>2_prologue): Replace :P with :W.
9593         (*pop<mode>1): Likewise.
9594         (*pop<mode>1_epilogue): Likewise.
9595         (push/pop peephole2): Use word_mode scratch registers.
9597 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
9599         * config/i386/predicates.md (indirect_branch_operand): Simplify.
9601 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
9603         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
9604         for constants in [-63,63].
9606 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
9608         PR target/52530
9609         Revert:
9610         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
9612         * config/i386/i386.c (ix86_print_operand_address): Only handle
9613         zero-extended DImode addresses.
9615 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9617         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
9618         * configure: Regenerate.
9620 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
9622         PR target/52496
9623         * config/avr/avr.c (avr_mem_clobber): New static function.
9624         (avr_expand_delay_cycles): Add memory clobber operand to
9625         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
9626         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
9627         (enable_interrupt, disable_interrupt): New expander.
9628         (nopv, sleep, wdr): New expanders.
9629         (delay_cycles_1): Add memory clobber.
9630         (delay_cycles_2): Add memory clobber.
9631         (delay_cycles_3): Add memory clobber.
9632         (delay_cycles_4): Add memory clobber.
9633         (cli_sei): New insn from former "enable_interrupt",
9634         "disable_interrupt" with memory clobber.
9635         (*wdt): New insn from former "wdt" with memory clobber.
9636         (*nopv): Similar, but for "nopv".
9637         (*sleep): Similar, but for "sleep".
9639 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
9640             Kaz Kojima  <kkojima@gcc.gnu.org>
9642         PR target/52503
9643         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
9644         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
9645         (SUBTARGET_OVERRIDE_OPTIONS): Define.
9647 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
9649         * config/i386/predicates.md (x86_64_zext_general_operand): New.
9650         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
9651         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
9653 2012-03-07  Walter Lee  <walt@tilera.com>
9655         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
9656         REG_CFA_* notes for the stack pointer.
9657         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
9658         EH_RETURN_STACKADJ_RTX.
9659         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
9660         generate REG_CFA_* notes for the stack pointer.
9661         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
9662         by EH_RETURN_STACKADJ_RTX.
9664 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9666         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
9667         when __AVR_3_BYTE_PC__ is defined.
9669 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
9671         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
9672         (ix86_print_operand): Handle '^'.
9673         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
9674         using P mode iterator.  Add %^ to asm template to conditionally emit
9675         addr32 prefix.
9676         (*rep_movdi_rex64): Ditto.
9677         (*strsetdi_rex_1): Ditto.
9678         (*rep_stosdi_rex64): Ditto.
9679         (*strmov{si,hi,qi}_1): Add %^ to asm template to
9680         conditionally emit addr32 prefix.
9681         (*rep_mov{si,qi}): Ditto.
9682         (*strset{si,hi,qi}): Ditto.
9683         (*rep_stos{si,qi}): Ditto.
9684         (*cmpstrnqi_nz_1): Ditto.
9685         (*cmpstrnqi_1): Ditto.
9686         (*strlenqi_1): Ditto.
9688 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
9690         * config/i386/i386.c (function_value_64): Return pointers in
9691         word_mode instead of Pmode.
9692         (ix86_promote_function_mode): Likewise.
9694 2012-03-07  Richard Guenther  <rguenther@suse.de>
9696         * coverage.c (get_gcov_type): Use type_for_mode.
9697         (get_gcov_unsigned_t): Likewise.
9698         * expr.c (store_constructor): Use type_for_mode.
9699         (try_casesi): Likewise.
9700         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
9701         (add_standard_iv_candidates): Use standard type trees.
9702         * dojump.c (do_jump): Remove dead code.
9704 2012-03-07  Richard Guenther  <rguenther@suse.de>
9706         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
9708 2012-03-07  Richard Guenther  <rguenther@suse.de>
9710         * convert.c (strip_float_extensions): Move ...
9711         * tree.c (strip_float_extensions): ... here.
9713 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9715         PR target/52484
9716         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
9718 2012-03-07  Richard Guenther  <rguenther@suse.de>
9720         * omp-low.c (extract_omp_for_data): Use signed_type_for.
9721         (expand_omp_for_generic): Likewise.
9722         (expand_omp_for_static_nochunk): Likewise.
9723         (expand_omp_for_static_chunk): Likewise.
9724         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
9725         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
9726         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
9727         Use unsigned_type_for.
9728         (vect_create_cond_for_align_checks): Use signed_type_for.
9730 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
9732         PR rtl-optimization/52203
9733         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
9734         all callers to pass NULL except ...
9735         (reset_sched_cycles_in_current_ebb): ... here, save the value
9736         in new variable 'empty'.  Increase issue_rate only for
9737         non-empty insns.
9739 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
9741         PR target/51417
9742         * Makefile.in: Let install-gcc-ar depend on installdirs,
9743         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
9744         Don't double canonicalize if cross-compiling.
9746 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9748         PR target/52506
9749         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
9750         to: RAMPZ, RAMPY, RAMPX, RAMPD.
9751         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
9753 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9755         PR target/52505
9756         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
9757         from RAM.
9758         * config/avr/avr.md (xload_8): Adjust insn length.
9760 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
9762         PR target/52461
9763         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
9764         if RAMPZ affects reading from RAM.
9766 2012-03-07  Richard Guenther  <rguenther@suse.de>
9768         PR pch/52518
9769         PR pch/38987
9770         * doc/invoke.texi (Precompiled Headers): Remove sentence that
9771         suggests you can include PCHs from inside another header.
9773 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
9775         PR middle-end/52515
9776         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
9778 2012-03-07  Kai Tietz  <ktietz@redhat.com>
9780         * doc/invoke.texi (fwritable-relocated-rdata): Document
9781         new Cygwin/MinGW target option.
9782         * config/i386/winnt.c (i386_pe_unique_section): Ignore
9783         reloc if flag -fwritable-relocated-rdata is not set.
9784         (i386_pe_section_type_flags): Likewise.
9785         * config/i386/cygming.opt (fwritable-relocated-rdata):
9786         Add new flag variable flag_writable_rel_rdata.
9788 2012-03-07  Richard Guenther  <rguenther@suse.de>
9790         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
9791         precision against gimple constraints.
9793 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
9795         PR middle-end/52372
9796         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
9797         variables.
9798         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
9799         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
9800         variables.
9801         (init_emit_regs): Move associated initialization to...
9802         (init_emit_once): ...here.
9804 2012-03-06  Richard Henderson  <rth@redhat.com>
9806         * config/m68k/m68k.h (ISA_HAS_TAS): New.
9807         * config/m68k/sync.md (atomic_test_and_set): Use it.
9808         (atomic_test_and_set_1): Likewise.
9810 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
9812         PR target/50310
9813         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
9814         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
9815         (vector_ltgt<mode>): Likewise.
9816         (vector_ordered<mode>): Likewise.
9817         (vector_unordered<mode>): Likewise.
9818         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
9820 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
9822         * trans-mem.c: New typedef for tm_region_p.
9823         Define vector types for tm_region_p.
9824         (tm_region_init): Replace region_worklist to a vector called
9825         bb_regions.
9827 2012-03-06  Richard Guenther  <rguenther@suse.de>
9829         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
9830         MEM_REF with constant pointer operand.
9832 2012-03-06  Richard Guenther  <rguenther@suse.de>
9834         PR middle-end/52493
9835         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
9837 2012-03-06  Tristan Gingold  <gingold@adacore.com>
9839         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
9840         (external_model_kind): Improve documentation.
9841         (vms_pragma_extern_model): Handle relaxed_redef.
9842         (vms_c_register_pragma): Allow expansion for nomember_alignment.
9844 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
9846         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
9847         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
9848         Some more notes on EIND usage and reorder EIND subsection.
9850 2012-03-06  Tristan Gingold  <gingold@adacore.com>
9852         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
9853         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
9855 2012-03-06  Tristan Gingold  <gingold@adacore.com>
9857         * config/vms/t-vmsnative (version): Define.
9858         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
9860 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
9862         PR rtl-optimization/52250
9863         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
9864         to put note list into.  Unconditionally call move_bb_info.
9865         (move_bb_info): Do not assert the blocks being in the same region,
9866         just drop the note list if they are not.
9868 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
9870         PR target/51244
9871         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
9872         and use unified expansion logic.
9873         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
9874         closer to the existing movt insn.
9875         (negc): Rename insn to *negc.  Add new expander.
9876         (movnegt): Use xor pattern for T bit negation.  Reserve helper
9877         constant for negc pattern.
9878         (*movnegt): New insn and splitter.
9880 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
9882         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
9883         PLUS_EXPR.
9885 2012-03-05  Richard Henderson  <rth@redhat.com>
9887         * genemit.c (main): Include "target.h" in insn-emit.c.
9888         * Makefile.in (insn-emit.o): Depend on TARGET_H.
9889         * config/sh/sync.md (atomic_test_and_set): Reference
9890         targetm.atomic_test_and_set_trueval instead of
9891         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
9893 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
9895         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
9896         Make static.
9898 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
9900         * langhooks.c (add_builtin_type): New function.
9901         * langhooks.h (add_builtin_type): Export it.
9902         * config/mep/mep.c (mep_init_builtins): Use it.
9903         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
9905 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
9907         PR debug/51902
9908         * tree.h (BLOCK_SAME_RANGE): Define.
9909         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
9910         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
9911         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
9912         isn't equal to supercontext fragment's fragment chain.
9913         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
9914         fragment origin.
9915         (blocks_nreverse_all): Likewise.
9916         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
9917         BLOCK_SUPERCONTEXT to supercontext fragment instead of
9918         supercontext fragment's fragment origin.
9919         * dwarf2out.c (add_high_low_attributes): If stmt has the same
9920         range as its parent (or parents thereof etc.), use the parent's
9921         DW_AT_ranges value instead of creating a new .debug_ranges range.
9923 2012-03-05  Richard Henderson  <rth@redhat.com>
9925         PR tree-opt/52242
9926         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
9927         * omp-low.c (expand_omp_atomic): Assume anything aligned to
9928         BIGGEST_ALIGNMENT is aligned.
9930 2012-03-05  Richard Henderson  <rth@redhat.com>
9932         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
9933         * config/sh/sh.c: ... here.
9935 2012-03-05  Richard Henderson  <rth@redhat.com>
9937         PR target/52481
9938         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
9939         instead of calling negqi2 directly.
9941 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
9943         PR middle-end/52463
9944         * trans-mem.c (tm_region_init): Use last_basic_block.
9946 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
9948         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
9949         * config/sh/sync.md (atomic_test_and_set): New expander.
9950         (tasb, atomic_test_and_set_soft): New insns.
9951         * config/sh/sh.opt (menable-tas): New option.
9952         * doc/invoke.texi (SH Options): Document it.
9954 2012-03-05  Richard Guenther  <rguenther@suse.de>
9956         * cfgloop.c (verify_loop_structure): Verify dominators before
9957         using them.
9958         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
9959         dominators from here.
9960         * graphite-scop-detection.c (create_sese_edges): Likewise.
9961         * loop-doloop.c (doloop_optimize_loops): Likewise.
9962         * loop-init.c (loop_optimizer_init): Likewise.
9963         * loop-unroll.c (unroll_and_peel_loops): Likewise.
9964         * loop-unswitch.c (unswitch_loops): Likewise.
9965         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
9966         * tree-parloops.c (parallelize_loops): Likewise.  Verify
9967         only when checking is enabled.
9968         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
9970 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
9972         * genautomata.c (parse_automata_opt): New static function.
9973         (initiate_automaton_gen): Remove all option handling code.  Remove
9974         argc argument.  All callers changed.
9975         (main): Call init_rtx_reader_args_cb with the new function as argument.
9977 2012-03-05  Richard Guenther  <rguenther@suse.de>
9979         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
9980         * tree-if-conv.c (combine_blocks): Free post-dominator info
9981         after breaking it.
9982         * tree-parloops.c (create_parallel_loop): Free and re-compute
9983         dominator info after breaking it.
9985 2012-03-05  Richard Guenther  <rguenther@suse.de>
9987         PR middle-end/52353
9988         * optabs.h (trapv_unoptab_p): New function.
9989         (trapv_binoptab_p): Likewise.
9990         * optabs.c (expand_binop): Use emit_libcall_block_1 with
9991         a proper equiv_may_trap argument.
9992         (expand_unop): Likewise.
9993         (emit_libcall_block_1): Take extra argument whether the
9994         instruction may trap.  Renamed from ...
9995         (emit_libcall_block): ... this.  New wrapper.
9997 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
9999         PR tree-optimization/51721
10000         * tree-vrp.c (register_edge_assert_for_2): If comparing
10001         lhs of right shift by constant with an integer constant,
10002         add ASSERT_EXPRs for the rhs1 of the right shift.
10004         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
10006 2012-03-05  Richard Guenther  <rguenther@suse.de>
10008         * tree.c (integer_zerop): Handle VECTOR_CSTs.
10009         (integer_onep): Likewise.
10010         (integer_all_onesp): Likewise.
10012 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
10014         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
10016 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
10018         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
10019         instead of TARGET_64BIT.
10021 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
10023         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
10024         adjust_stack_insn.
10026 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
10028         * config/i386/i386.c (ix86_print_operand_address): Only handle
10029         zero-extended DImode addresses.
10031 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
10033         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
10034         taken and cputaken as bool.
10036 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
10038         * config/i386/constraints.md (Ya): New internal constraint.
10039         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
10040         (*zero_extendsidi2_rex64): Add x,x alternative.
10041         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
10042         Remove flags reg clobber.  Adjust corresponding splits.
10043         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
10044         zero_extendqisi2 expanders using SWI12 mode iterator.
10045         (zero_extend<mode>si2_and): Macroize insn from
10046         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
10047         splitters.
10048         (*zero_extend<mode>si2):  Macroize insn from
10049         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
10050         (*zero_extend*2_movzbl_and): Remove insn patterns.
10051         (zero_extendqihi2_and): Merge corresponding splitter.
10052         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
10053         (*zero_extend*2_movzbl_and): Remove insn patterns.
10054         (*anddi_1): Split TYPE_IMOVX instructions.
10055         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
10056         (*andhi_1): Ditto.
10057         (and->zext splitter): Add splitter pattern.
10058         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
10060 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
10062         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
10063         x86-specific text.
10064         (Debugging Options): Likewise.
10065         (Optimize Options): Likewise.
10066         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
10067         with other architectures.  Use official processor names with correct
10068         spelling/capitalization.  Fix formatting and grammar issues.
10069         (i386 and x86-64 Windows Options): Similar cleanup here.
10071 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10073         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
10075 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10077         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
10078         DBX_REGISTER_NUMBER.
10080 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10082         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
10083         operand is CONST_INT.  Take COSTS_N_INSNS into account.
10084         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
10085         of shiftcosts.
10087 2012-03-02  Richard Henderson  <rth@redhat.com>
10089         * optabs.c (expand_atomic_test_and_set): Honor
10090         atomic_test_and_set_trueval even when atomic_test_and_set
10091         optab is not in use.
10093 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
10095         PR target/48596
10096         PR target/48806
10097         * config/sh/sh.c (sh_register_move_cost): Increase cost between
10098         GENERAL_REGS and FP_REGS for SImode.
10100 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
10102         PR target/49486
10103         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
10104         (absdi2): New expander.
10105         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
10107 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
10109         * config/sh/sync.md (atomic_exchange<mode>): New expander.
10110         (atomic_exchange<mode>_soft): New insn.
10112 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
10114         * config/sh/sync.md: Update copyright notice dates.
10115         (atomic_compare_and_swap<mode>): Use SImode for return value instead
10116         of QImode.
10117         (atomic_compare_and_swap<mode>_soft): Likewise.
10119 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
10121         PR target/31640
10122         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
10123         * config/sh/sh.c: Update copyright notice dates.
10124         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
10125         alignment for TARGET_HARD_SH4.
10126         (sh_option_override): Reduce default function alignment.  Set
10127         loop alignment to 4 bytes when not optimizing for size.
10129 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
10131         PR middle-end/50335
10132         * doc/invoke.texi (floop-flatten): Remove.
10133         * toplev.c (process_options): Remove references to flag_loop_flatten.
10134         * tree-ssa-loop.c (gate_graphite_transform): Same.
10135         * common.opt (floop-flatten): Obsolete.
10136         * graphite-poly.c (apply_poly_transforms): Remove reference to
10137         flag_loop_flatten.
10138         * Makefile.in (graphite-flattening.o): Remove.
10139         * graphite-flattening.c: Remove.
10141 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
10143         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
10144         having mode compatible with the mode of previous compare.  Substitute
10145         compare mode of previous compare with the mode, compatible
10146         with eliminated and previous compare.
10148 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
10150         * config/rs6000/dfp.md (floatdidd2): New define_insn.
10152 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
10154         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
10155         compatible with CCGOCmode and CCGCmode.
10157 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
10159         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
10161 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
10163         * config/arm/arm.c (arm_sat_operator_match): New function.
10164         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
10165         * config/arm/arm.md ("insn" attribute): Add "sat" value.
10166         ("SAT", "SATrev"): New code iterators.
10167         ("SATlo", "SAThi"): New code iterator attributes.
10168         ("*satsi_<SAT:code>"): New pattern.
10169         ("*satsi_<SAT:code>_shift"): Likewise.
10170         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
10171         and "shift" attributes.
10172         ("arm_usatsihi"): Add "insn" attribute.
10173         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
10174         by powers of two.  Do not allow shift by 32.
10176 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
10178         PR target/46716
10179         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
10180         to pass the argument in the register of "natural" mode.
10182 2012-03-02  Richard Guenther  <rguenther@suse.de>
10184         PR tree-optimization/52406
10185         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
10186         (struct indices): Add unconstrained_base member.
10187         (struct dr_alias): Remove unused vops member.
10188         (DR_UNCONSTRAINED_BASE): New define.
10189         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
10190         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
10191         be an artificial access that covers the whole indexed object,
10192         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
10193         plain decl base-objects to their MEM_REF variant.
10194         (dr_may_alias_p): When the base-object of either data reference
10195         has unknown size use only points-to information.
10196         (compute_affine_dependence): Make dumps easier to read and
10197         more verbose.
10198         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
10199         DR_REF when looking for packed references.
10200         (vect_supportable_dr_alignment): Likewise.
10202 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
10204         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
10205         Improve conditions for peepholes of loads followed by commutative
10206         operators.
10207         * config/arm/ldmstm.md: Regenerated.
10209 2012-03-02  Richard Guenther  <rguenther@suse.de>
10211         * BASE-VER: Set to 4.8.0.
10213 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
10215         * config.gcc (obsolete): Add all ARM targets using the FPA.
10216         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
10217         * doc/install.texi: Avoid references to obsolete ARM ports.
10219 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
10221         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
10223 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
10224             Joern Rennecke  <joern.rennecke@embecosm.com>
10226         * doc/extend.texi: Expand and update information on interrupt
10227         attribute for Epiphany.
10229 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
10231         * config/sh/sh-protos.h: Update copyright notice dates.
10232         * config/sh/sh.h: Likewise.
10233         * config/sh/sh.md: Likewise.
10234         * config/sh/constraints.md: Likewise.
10235         * config/sh/predicates.md: Likewise.
10237 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
10239         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
10240         * config/sh/sh.c (tertiary_reload_operand): Likewise.
10242 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
10244         * config/sh/constraints.md: Fix comment typo.
10246 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10248         PR target/52408
10249         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
10250         unsigned HOST_WIDE_INT.
10251         (zvdep_imm64): Likewise.
10252         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
10253         (vdepi_and): Likewise.
10254         Likewise for unamed 64-bit patterns.
10255         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
10257 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
10259         PR debug/52001
10260         PR rtl-optimization/52417
10261         * cselib.c (cselib_any_perm_equivs): New variable.
10262         (cselib_reset_table): Check that it's not set when not
10263         preserving constants.
10264         (cselib_add_permanent_equiv): Set it.
10265         (cselib_have_permanent_equivalences): New.
10266         (cselib_init, cselib_finish): Reset it.
10267         * cselib.h (cselib_have_permanent_equivalences): Declare.
10268         * alias.c (get_addr): Restore earlier behavior when there
10269         aren't permanent equivalences.
10271 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
10273         * config/mn10300/mn10300-modes.def: Fix copyright notice.
10274         * config/v850/v850-modes.def: Fix copyright notice.
10276 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
10278         * doc/extend.texi (AVR Built-in Functions): Document
10279         __builtin_avr_flash_segment.
10281         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
10282         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
10283         (*split.flash_segment): New insn-and-split.
10284         * config/avr/avr.c (avr_init_builtins): Add local variables:
10285         const_memx_void_node, const_memx_ptr_type_node,
10286         char_ftype_const_memx_ptr.
10288 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
10290         PR tree-optimization/52445
10291         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
10292         add ssa_name_ver, offset and size fields and change store field
10293         to bool.
10294         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
10295         (add_or_mark_expr): Likewise.  Only consider previous stores
10296         with the same size and offset.
10297         (nt_init_block): Only look at gimple_assign_single_p stmts,
10298         doesn't look at rhs2.
10300 2012-03-01  Richard Guenther  <rguenther@suse.de>
10302         PR middle-end/52443
10303         * tree-cfg.c (verify_gimple_assign_unary): Allow any
10304         conversions from integral types to pointer types.
10306 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
10308         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
10309         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
10310         unintentionally removed in r184616.
10312 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10314         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
10315         3DNow from bdver1.
10317 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
10318             Uros Bizjak  <ubizjak@gmail.com>
10320         PR target/52437
10321         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
10322         alternatives, add "e" constraint to the new last alternative
10323         and ! to last 3 alternatives.
10325 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
10327         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
10328         DW_AT_artificial attributes at the end of the processing.
10329         (gen_array_type_die): Likewise.
10330         (gen_enumeration_type_die): Likewise.
10331         (gen_struct_or_union_type_die): Likewise.
10332         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
10333         the parent type.
10335 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
10337         PR middle-end/52419
10338         * expr.c (expand_assignment): If doing misaligned store that doesn't
10339         cover all mode bits, perform a RMW cycle.
10341         PR tree-optimization/52429
10342         * tree-parloops.c (separate_decls_in_region_debug): Return early
10343         if var is LABEL_DECL.
10345 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10347         PR tree-optimization/52424
10348         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
10349         calling dom_thread_across_edge.
10351 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
10353         * config/avr/avr.c: Move definition of TARGET macros to end of file.
10355 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
10357         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
10358         * config/avr/avr.c (avr_output_bld): Remove unused function.
10359         (avr_out_sbxx_branch): Use "%T" to print bit position.
10361 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
10363         * config/avr/avr.md: Untabify.
10365 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
10367         * config/avr/avr.md (eqne): New code iterator.
10368         (*dec-and-branchsi): Use it in text peephole's condition.
10369         (*dec-and-branchhi): Ditto.
10370         (*dec-and-branchqi): Ditto.
10372 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
10374         PR target/49939
10375         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
10376         the device does not have the skip-bug.
10378 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
10380         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
10381         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
10382         -mpretend-cmove): New.
10384 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
10386         PR bootstrap/52397
10387         * df.h (struct df_d): Adjust comment that hard_regs_live_count
10388         doesn't count DEBUG_INSN refs.
10389         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
10390         for DEBUG_INSN refs.
10392 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10394         Partially revert:
10396         2012-02-20  Richard Guenther  <rguenther@suse.de>
10397         PR tree-optimization/52298
10398         * tree-vect-stmts.c (vectorizable_load): Properly use
10399         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing outer loops.
10401 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
10403         PR middle-end/51752
10404         * gimple.h (gimple_in_transaction): New.
10405         (gimple_set_in_transaction): New.
10406         (struct gimple_statement_base): Add in_transaction field.
10407         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
10408         transaction loads.
10409         (tree_ssa_lim_initialize): Compute transaction bits.
10410         * tree.h (compute_transaction_bits): Protoize.
10411         * trans-mem.c (tm_region_init): Use the heap to store BB
10412         auxilliary data.
10413         (compute_transaction_bits): New.
10415 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10417         * gcc.c (display_help): Document --help=common and sort entries
10418         alphabetically.
10420 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10422         * doc/install.texi: Document check-$LANG specific shortcuts
10424 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10426         PR target/51534
10427         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
10428         and vcgtu.
10429         * config/arm/arm_neon.h: Regenerate.
10430         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
10431         (neon_vcgeu): New insn.
10432         (neon_vcgtu): Likewise.
10433         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
10434         (ops): Unsigned comparison intrinsics call a different builtin.
10436 2012-02-28  Richard Guenther  <rguenther@suse.de>
10438         PR target/52407
10439         * config/i386/i386.c (ix86_expand_vector_set): Fix element
10440         ordering for the VEC_CONCAT for two element vectors for
10441         V2SFmode, V2SImode and V2DImode.
10443 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
10445         PR target/49448
10446         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
10447         detecting big-endian triplets.
10449 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
10451         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
10452         mode if there is no type information available.
10454 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
10456         PR tree-optimization/53207
10457         * doc/invoke.texi: Document as experimental and relying on graphite.
10459 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
10461         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
10462         of initializer to changes from r184614.
10464 2012-02-28  Richard Guenther  <rguenther@suse.de>
10466         PR tree-optimization/52395
10467         * tree-sra.c (build_ref_for_offset): Also look at the base
10468         TYPE_ALIGN when figuring out the alignment of the replacement.
10470 2012-02-28  Richard Guenther  <rguenther@suse.de>
10472         PR tree-optimization/52402
10473         * ipa-prop.c (ipa_modify_call_arguments): Properly use
10474         mis-aligned types when creating the accesses at the call site.
10476 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
10478         * config/avr/builtins.def: New file.
10479         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
10480         * config/avr/avr.c (enum avr_builtin_id): Use it.
10481         (avr_init_builtins): Use it. And use avr_bdesc.
10482         (bdesc_1arg): Remove.
10483         (bdesc_2arg): Remove.
10484         (bdesc_3arg): Remove.
10485         (struct avr_builtin_description): Add field n_args.
10486         (avr_bdesc): New static variable using builtins.def.
10487         (avr_expand_builtin): Use it.
10488         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
10489         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
10490         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
10492 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
10494         PR target/52148
10495         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
10496         match only one single hard register with respective hard reg rtx.
10497         (movmemx_<mode>): Ditto.
10498         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
10499         insn anatomy of movmem[x]_<mode>.
10500         (avr_out_movmem): Same for printing assembler and operand usage.
10502 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
10504         PR target/49868
10505         PR target/52261
10506         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
10507         address spaces located outside of device flash.
10509         * config/avr/avr.h (base_arch_s): Remove field n_segments.
10510         (mcu_type_s): Add field n_flash.
10511         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
10512         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
10513         (AVR_MCU): Add N_FLASH argument.
10514         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
10515         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
10516         macro __FLASH<n> if that address space makes sense for the device.
10517         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
10518         outside of target flash.
10519         (avr_asm_named_section): Ditto.
10520         (avr_asm_select_section): Ditto.
10521         (avr_addr_space_convert): Ditto.
10522         (avr_emit_movmemhi): Ditto.
10523         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
10524         address space is outside of device flash.
10525         (avr_insert_attributes): Ditto.
10526         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
10527         avr_current_arch->n_segments.
10529 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
10531         PR target/52352
10532         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
10533         (*movabs<mode>_2): Likewise.
10535 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
10537         PR target/52375
10538         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
10539         s_register_operand in the test instead of REG_P.  Don't call
10540         gen_reg_rtx if it won't be used.
10542         PR tree-optimization/52376
10543         * ipa-split.c (split_function): Ignore CLOBBER stmts.
10545 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
10547         * ifcvt.c (noce_get_condition): Check condition variable is not
10548         small_register_classes_for_mode_p before accepting.
10550 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
10552         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
10554 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10556         Revert:
10557         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
10558         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
10559         tuning parameters.
10560         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
10562 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
10564         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
10566 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
10568         * config/sh/predicates.md: Remove blank lines.
10569         * config/sh/sh.c: Fix typos in comments.
10570         * config/sh/constraints.md: Likewise.
10571         * config/sh/sh.md: Remove blank lines.
10572         Fix typos in comments.  Use ;; as comment characters.
10574 2012-02-26  Walter Lee  <walt@tilera.com>
10576         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
10577         (replace_mov_pcrel_step2): Ditto.
10579 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
10581         PR debug/52001
10582         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
10583         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
10584         and locs that reference values newer than the non-canonical value
10585         at hand.  Return the canonical value as a worst case.
10586         (memrefs_conflict_p): Walk canonical value's locs.
10588         PR debug/52001
10589         * cselib.c (preserve_only_constants): Rename to...
10590         (preserve_constants_and_equivs): ... this.  Split out...
10591         (invariant_or_equiv_p): ... this.  Preserve plus expressions
10592         of other preserved expressions too.
10593         (cselib_reset_table): Adjust.
10594         * var-tracking.c (reverse_op): Use canonical value to build
10595         reverse operation.
10597 2012-02-23  Kai Tietz  <ktietz@redhat.com>
10599         * config/i386/i386.c (ix86_delegitimize_address): Handle
10600         UNSPEC_PCREL plus displacement.
10602 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
10604         PR target/52261
10605         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
10606         to test for unusedness in st X addressing.
10608 2012-02-24  Richard Guenther  <rguenther@suse.de>
10610         PR middle-end/52361
10611         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
10612         (is_gimple_reg_type): Move inline ...
10613         * gimple.h (is_gimple_reg_type): ... here.
10615 2012-02-24  Richard Guenther  <rguenther@suse.de>
10617         PR middle-end/52361
10618         * passes.c (execute_function_todo): When verifying SSA form
10619         verify gimple form first.
10620         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
10622 2012-02-24  Richard Guenther  <rguenther@suse.de>
10624         PR middle-end/52355
10625         * fold-const.c (fold_addr_of_array_ref_difference): New function.
10626         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
10628 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10630         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
10632 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10634         * tree-phinodes.c (make_phi_node): Mark static.
10635         * tree-flow.h (make_phi_node): Remove extern decl.
10636         * doc/gimple.texi (make_phi_node): Remove documentation.
10638 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10640         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
10641         * tree-ssa-sccvn.c (print_scc): Ditto.
10643 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10645         * doc/passes.texi (Full redundancy elimination): Fix typo.
10647 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10649         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
10651 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
10653         PR bootstrap/52287
10654         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
10656 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
10658         PR c/52290
10659         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
10661 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
10663         * config/avr/avr.md (code_stdname): Add ior, xor.
10664         (xior): New code iterator.
10665         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
10666         (*<code_stdname><mode>qi.byte1-3): Ditto.
10668 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
10670         PR tree-optimization/52019
10671         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
10672         CLOBBER stmts.
10674 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10676         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
10677         HAVE_INITFINI_ARRAY to work around namespace pollution in
10678         certain versions of newlib system headers.
10679         * config.in: Regenerate.
10680         * configure: Regenerate.
10681         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
10682         instead of HAVE_INITFINI_ARRAY.
10684 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
10686         PR target/52330
10687         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
10688         is not offsettable memory reference.
10690 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
10692         PR target/18145
10693         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
10694         setting avr_need_clear_bss_p for __gnu_lto* symbols.
10696 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
10698         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
10699         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
10701 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10703         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
10704         library on Solaris 8 even without TLS support.
10705         * configure: Regenerate.
10707 2012-02-22  Richard Guenther  <rguenther@suse.de>
10709         PR middle-end/52329
10710         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
10711         for GIMPLE_DEBUG stmts.
10713 2012-02-22  Martin Jambor  <mjambor@suse.cz>
10715         PR middle-end/51782
10716         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
10717         according to the base object.
10719 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
10721         PR rtl-optimization/50063
10722         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
10723         and 2 (8-bit SP) in operand 2.
10724         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
10725         setup to use movhi_sp_r instead of vanilla move to write SP.
10726         Adjust REG_CFA notes to superseed unspec.
10727         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
10728         of vanilla move.
10729         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
10730         known to be off) only with TARGET_NO_INTERRUPTS. Never use
10731         irq_state 1 (IRQ known to be on) here.
10733 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
10735         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
10736         WORDS_BIG_ENDIAN.
10737         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
10738         assign_hard_reg): Likewise.
10740 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
10742         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
10744 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
10746         * config/avr/avr.md
10747         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
10748         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
10750 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
10752         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
10753         prototype from here to...
10754         * config/avr/avr.h: ...here.
10756 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
10758         PR target/52294
10759         * thumb2.md (thumb2_shiftsi3_short): Split register and
10760         immediate shifts.  For register shifts tie operands 0 and 1.
10761         (peephole2 for above): Check that register-controlled shifts
10762         have suitably tied operands.
10764 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
10766         PR target/52137
10767         * config/i386/bdver1.md (bdver1_call, bdver1_push,
10768         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
10769         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
10770         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
10771         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
10772         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
10773         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
10774         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
10775         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
10776         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
10777         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
10778         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
10779         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
10780         bdver1_ssevector_avx256_unaligned_load,
10781         bdver1_ssevector_sse128_unaligned_load,
10782         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
10783         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
10784         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
10785         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
10786         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
10787         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
10788         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
10789         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
10790         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
10791         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
10792         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
10793         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
10794         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
10795         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
10796         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
10797         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
10798         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
10799         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
10800         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
10801         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
10802         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
10803         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
10804         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
10805         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
10806         bdver1_ssediv_double_load, bdver1_ssediv_double,
10807         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
10808         Add "bdver2" attribute.
10810 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10812         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
10813         default if possible and not specified otherwise.
10815 2012-02-21  Richard Guenther  <rguenther@suse.de>
10817         PR middle-end/52314
10818         * gimplify.c (create_tmp_from_val): Use the main variant type
10819         for the type of the temporary we create.
10821 2012-02-21  Richard Guenther  <rguenther@suse.de>
10823         PR tree-optimization/52324
10824         * gimplify.c (gimplify_expr): When re-gimplifying expressions
10825         do not gimplify a MEM_REF address operand if it is already
10826         in suitable form.
10828 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10830         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
10831         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
10833 2012-02-21  Richard Guenther  <rguenther@suse.de>
10835         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
10836         nested_in_vect_loop.
10838 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
10840         PR tree-optimization/52318
10841         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
10842         vdef also to non-pure/const call stmts in the sequence.
10844 2012-02-21  Tristan Gingold  <gingold@adacore.com>
10846         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
10848 2012-02-20  David S. Miller  <davem@davemloft.net>
10850         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
10851         don't use the "rd %pc" instruction on v9 for PIC register loads.
10853 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
10855         PR middle-end/52141
10856         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
10857         in a transaction safe function.
10859 2012-02-20  Kai Tietz  <ktietz@redhat.com>
10861         PR target/52238
10862         * stor-layout.c (place_field): Handle desired_align for
10863         ms-bitfields, too.
10865 2012-02-20  Richard Guenther  <rguenther@suse.de>
10867         PR tree-optimization/52298
10868         * tree-vect-stmts.c (vectorizable_store): Properly use
10869         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
10870         outer loops.
10871         (vectorizable_load): Likewise.
10872         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
10873         Access DR_STEP after ensuring it is not NULL.
10875 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
10877         PR tree-optimization/52286
10878         * fold-const.c (fold_binary_loc): For (X & C1) | C2
10879         optimization use double_int_to_tree instead of build_int_cst_wide,
10880         rewrite to use double_int vars.
10882 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10884         PR target/50166
10885         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
10886         Define _start.
10887         Remove -e 0 from $gcc_cv_ld invocation.
10888         Only use __GLIBC_PREREQ if defined.
10889         Enable on Solaris since Solaris 8 patch.
10890         (gcc_SUN_LD_VERSION): New macro.
10891         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
10892         gcc_SUN_LD_VERSION for version number format.
10893         * configure: Regenerate.
10894         * varasm.c (get_elf_initfini_array_priority_section): Set
10895         SECTION_NOTYPE for non-default priority.
10896         Use get_section instead of get_unnamed_section to emit
10897         .init_array/.fini_array with default priority.
10899 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
10901         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
10902         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
10903         (mips_start_unique_function, mips_output_mips16_rdhwr)
10904         (mips_code_end): New functions.
10905         (TARGET_ASM_CODE_END): Define.
10907 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
10909         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
10910         to stubs with non-sibling calls.
10912 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
10914         * doc/invoke.texi (-fira-* options): Copy-edit.
10915         (ira-* parameters): Copy-edit.
10917 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
10919         * doc/invoke.texi: Minor copy-edits to bring into conformance with
10920         GCC coding conventions.
10922 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
10924         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
10925         when used as adjectives.
10927 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
10929         * doc/invoke.texi: Clean up "that"/"which" confusion.
10931 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
10933         * system.h: Poison SMALL_REGISTER_CLASSES
10934         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
10935         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
10937 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
10939         PR tree-optimization/52285
10940         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
10941         when deciding if a call is a tail call or tail recursion.
10943 2012-02-16  Kai Tietz  <ktietz@redhat.com>
10945         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
10946         interger-constant displacement for UNSPEC_PCREL.
10948 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
10950         PR rtl-optimization/52208
10951         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
10952         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
10954         PR tree-optimization/52255
10955         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
10956         loop->header has virtual PHI, but exit_e->dest doesn't, add
10957         virtual PHI to exit_e->dest and adjust all uses after the loop.
10959         PR debug/52260
10960         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
10961         children with clone_tree_hash, not after it.
10963 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
10965         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
10966         extended identifiers.
10968 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
10970         PR middle-end/51929
10971         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
10972         a same_body_alias, also test whether e->callee isn't a former
10973         or current clone of the decl this is a same body alias of.
10975         PR translation/52264
10976         * cgraphunit.c (verify_cgraph_node): Fix a typo.
10978 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
10980         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
10982 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
10984         PR target/52199
10985         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
10986         force_reg instead of copy_to_reg for better optimization.  Force
10987         non-register or memory operands into a register.
10989 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
10991         * extend.texi: Reserve upper bits of memory model for future use.
10993 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
10994             Anatoly Sokolov <aesok@post.ru>
10995             Eric Weddington <eric.weddington@atmel.com>
10997         PR target/52261
10998         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
10999         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
11000         Rewrite initializers for .macro.
11001         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
11002         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
11003         atxmega32d4, atxmega32x1.
11004         avrxmega4: atxmega64a3, atxmega64d3.
11005         avrxmega5: atxmega64a1, atxmega64a1u.
11006         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
11007         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
11008         avrxmega7: atxmega128a1, atxmega128a1u.
11009         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
11010         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
11011         (struct base_arch_s): Rename reserved to xmega_p.
11012         Rename reserved2 to have_rampd.
11013         (AVR_XMEGA): New define.
11014         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
11015         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
11016         * config/avr/predicates.md (io_address_operand): Take into
11017         account SFR offset.
11018         (low_io_address_operand): Ditto.
11019         (high_io_address_operand): Ditto.
11020         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
11021         (enabled, movhi_sp_r): Use them.
11022         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
11023         cpp_define_formatted to built-in define __AVR_ARCH__.
11024         (__AVR_XMEGA__): New built-in define.
11025         (__AVR_HAVE_RAMPD__): New built-in define.
11026         (__AVR_HAVE_RAMPX__): New built-in define.
11027         (__AVR_HAVE_RAMPY__): New built-in define.
11028         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
11030         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
11031         (avr_option_override): Initialize them.
11032         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
11033         (avr_init_expanders): Initialize them. No more block several calls.
11034         (emit_push_sfr): New static function.
11035         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
11036         Handle AVR_XMEGA.
11037         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
11038         (avr_print_operand): Print addreeses as symbols for
11039         RAMPX, RAMPY, RAMPD, CCP.
11040         (output_movhi): Handle AVR_XMEGA when writing to SP.
11041         (avr_out_movhi_mr_r_xmega): New static function.
11042         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
11043         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
11044         __RAMPD__,  __CCP__ as needed.
11046         * config/avr/multilib.h: Regenerate.
11047         * config/avr/t-multilib: Regenerate.
11048         * config/avr/avr-tables.opt: Regenerate.
11050 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
11052         PR tree-optimization/50561
11053         * graphite-flattening.c (lst_project_loop): Do not
11054         remove old scattering dimensions after flattening.
11055         (lst_do_flatten): Likewise.
11057 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
11059         * doc/extend.texi (AVR Built-in Functions): Remove doc for
11060         __builtin_avr_map8, __builtin_avr_map16.
11061         Document __builtin_avr_insert_bits.
11063         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
11064         (insert_bits): New insn.
11065         (adjust_len.map_bits): Rename to insert_bits.
11066         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
11067         * avr-protos.h (avr_out_map_bits): Remove.
11068         (avr_out_insert_bits, avr_has_nibble_0xf): New.
11069         * config/avr/constraints.md (Cxf,C0f): New.
11070         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
11071         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
11072         New built-in define __BUILTIN_AVR_INSERT_BITS.
11073         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
11074         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
11075         (avr_move_bits): Rewrite.
11076         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
11077         functions.
11078         (avr_map_op_t): New typedef.
11079         (avr_map_op): New static variable.
11080         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
11081         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
11082         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
11083         (bdesc_3arg, avr_expand_triop_builtin): New.
11084         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
11085         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
11086         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
11087         (avr_map_equal_p, avr_map_sig_p): Remove.
11088         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
11089         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
11090         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
11091         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
11092         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
11093         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
11095 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
11097         * config/c6x/c6x.md (reserve_cycles): New attribute.
11098         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
11099         don't reserve functional units after the branch occurs.
11101 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
11103         PR middle-end/52142
11104         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
11105         functions into non-tm_pure functions.
11107 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
11109         PR lto/52178
11110         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
11111         (iterative_hash_canonical_type): Likewise.
11112         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
11113         the dead edges.
11115 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
11117         * haifa-sched.c (prune_ready_list): Ensure that if there is a
11118         sched-group insn, it either remains alone or the entire list is pruned.
11120 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
11122         * doc/install.texi (Prerequisites): Fix grammar.
11123         (Configuration): Likewise.
11125 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
11127         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
11128         MPC as part of GCC before describing configuring with --with-gmp etc.
11129         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
11130         sources are present.
11132 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
11134         PR debug/51950
11135         * dwarf2out.c (clone_tree_hash): New function.
11136         (copy_decls_walk): Use it instead of clone_tree.
11138 2012-02-14  Richard Guenther  <rguenther@suse.de>
11140         PR tree-optimization/52244
11141         PR tree-optimization/51528
11142         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
11143         replacements for integral types.
11145 2012-02-14  Walter Lee  <walt@tilera.com>
11147         * config.gcc: Handle tilegx and tilepro.
11148         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
11149         tilegx and tilepro.
11150         Add HAVE_AS_TLS check for tilegx and tilepro.
11151         * configure: Regenerate.
11152         * doc/contrib.texi: Add Mat Hostetter and self.
11153         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
11154         Document instruction intrinsics and network accessing intrinsics.
11155         (TILEPro Built-in Functions): New node.  Document instruction
11156         intrinsics and network accessing intrinsics.
11157         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
11158         (Specific, tilepro-*-linux*): Likewise.
11159         * doc/invoke.texi (TILE-Gx Options): New section.
11160         (TILEPro Options): New section.
11161         * doc/md.texi (TILE-Gx): New section.
11162         (TILEPro): New section.
11163         * common/config/tilegx/tilegx-common.c: New file.
11164         * common/config/tilepro/tilepro-common.c: New file.
11165         * config/tilegx/constraints.md: New file.
11166         * config/tilegx/linux.h: New file.
11167         * config/tilegx/mul-tables.c: New file.
11168         * config/tilegx/predicates.md: New file.
11169         * config/tilegx/sync.md: New file.
11170         * config/tilegx/t-tilegx: New file.
11171         * config/tilegx/tilegx-builtins.h: New file.
11172         * config/tilegx/tilegx-c.c: New file.
11173         * config/tilegx/tilegx-generic.md: New file.
11174         * config/tilegx/tilegx-modes.def: New file.
11175         * config/tilegx/tilegx-multiply.h: New file.
11176         * config/tilegx/tilegx-protos.h: New file.
11177         * config/tilegx/tilegx.c: New file.
11178         * config/tilegx/tilegx.h: New file.
11179         * config/tilegx/tilegx.md: New file.
11180         * config/tilegx/tilegx.opt: New file.
11181         * config/tilepro/constraints.md: New file.
11182         * config/tilepro/gen-mul-tables.cc: New file.
11183         * config/tilepro/linux.h: New file.
11184         * config/tilepro/mul-tables.c: New file.
11185         * config/tilepro/predicates.md: New file.
11186         * config/tilepro/t-tilepro: New file.
11187         * config/tilepro/tilepro-builtins.h: New file.
11188         * config/tilepro/tilepro-c.c: New file.
11189         * config/tilepro/tilepro-generic.md: New file.
11190         * config/tilepro/tilepro-modes.def: New file.
11191         * config/tilepro/tilepro-multiply.h: New file.
11192         * config/tilepro/tilepro-protos.h: New file.
11193         * config/tilepro/tilepro.c: New file.
11194         * config/tilepro/tilepro.h: New file.
11195         * config/tilepro/tilepro.md: New file.
11196         * config/tilepro/tilepro.opt: New file.
11198 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
11200         PR tree-optimization/52210
11201         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
11202         vect_model_simple_cost with two entry vect_def_type array instead
11203         of an address of dt.
11205 2012-02-14  Richard Guenther  <rguenther@suse.de>
11207         PR lto/52178
11208         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
11209         Do not stream DECL_QUALIFIER.
11210         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
11211         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
11212         (find_decls_types_r): Do not walk DECL_QUALIFIER.
11214 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
11216         PR c/52181
11217         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
11218         newdecl.
11220 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
11222         PR bootstrap/52172
11223         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
11224         * cselib.c (cselib_subst_to_values_from_insn): New function.
11225         * sched-deps.c (add_insn_mem_dependence,
11226         sched_analyze_1, sched_analyze_2): Use it.
11228 2012-02-13  Jan Hubicka  <jh@suse.cz>
11230         PR middle-end/52214
11231         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
11233 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
11235         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
11236         (GTM_SELF_SPECS): Define if not already defined.
11237         (driver_self_specs): Add GTM_SELF_SPECS.
11238         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
11239         (GTM_SELF_SPECS): Define.
11240         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
11241         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
11243 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
11245         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
11246         away if seen.
11248         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
11250         PR middle-end/52230
11251         * omp-low.c (expand_omp_for): If a static schedule without chunk size
11252         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
11254 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
11256         PR c/52190
11257         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
11259 2012-02-13  Richard Guenther  <rguenther@suse.de>
11261         PR translation/52211
11262         * passes.c (enable_disable_pass): Fix typo.
11264 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
11266         PR middle-end/52209
11267         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
11268         XOR for reduce_bit_field if type is unsigned.
11270 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
11272         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
11273         disallow changes from SFmode to mode with different size in FP regs.
11275 2012-02-12  Robert Millan  <rmh@gnu.org>
11276             Gerald Pfeifer <gerald@pfeifer.com>
11278         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
11279         Tweak comment.
11281 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
11283         PR rtl-optimization/52175
11284         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
11285         to frame-related instructions.
11287 2012-02-10  Jason Merrill  <jason@redhat.com>
11289         PR c++/51910
11290         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
11291         (demangle_new_symbols): Fill it.
11292         (scan_linker_output): Walk it.
11293         (start_tweaking): Split out from scan_linker_output.
11294         (maybe_tweak): Update sym->chosen.
11295         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
11297 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
11299         PR debug/52132
11300         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
11302 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
11304         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
11305         having the same mode as previous compare.
11307 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
11309         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
11310         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
11311         (nonlocal_goto_internal): Likewise.
11312         (nonlocal_goto): Emit a use and an indirect jump directly.
11314 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
11316         PR c/52190
11317         * doc/extend.texi : Update comments for __atomic_compare_exchange and
11318         __atomic_{is,always}_lock_free.
11320 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
11322         PR target/52146
11323         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
11324         negative constant address for TARGET_X32.
11326 2012-02-10  Richard Henderson  <rth@redhat.com>
11328         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
11329         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
11330         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
11332 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11333             Ira Rosen  <irar@il.ibm.com>
11335         PR tree-optimization/50031
11336         * targhooks.c (default_builtin_vectorization_cost): Handle
11337         vec_promote_demote.
11338         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
11339         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
11340         all types of reduction and pattern statements.
11341         (vect_estimate_min_profitable_iters): Likewise.
11342         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
11343         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
11344         for explicit realigns.
11345         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
11346         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
11347         vec_promote_demote.
11348         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
11349         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
11350         vec_perm for VSX and handle vec_promote_demote.
11352 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
11354         PR middle-end/52177
11355         * builtins.c (fold_builtin_atomic_always_lock_free,
11356         expand_builtin_atomic_always_lock_free,
11357         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
11358         Return and/or test boolean_true_node/boolean_false_node instead of
11359         integer_one_node/integer_zero_node.
11361 2012-02-10  Jan Hubicka  <jh@suse.cz>
11363         PR middle-end/48600
11364         * predict.c (predict_paths_for_bb): Prevent looping.
11365         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
11367 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
11369         * config/arm/arm.c (output_move_double): In one case properly
11370         count number of instructions that will be emitted.
11372 2012-02-10  Richard Guenther  <rguenther@suse.de>
11374         PR translation/52193
11375         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
11377 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
11379         PR middle-end/52140
11380         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
11382 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
11384         PR debug/52165
11385         * var-tracking.c (emit_note_insn_var_location): If
11386         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
11387         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
11388         non-NOTE_DURING_CALL_P insn.
11390 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
11392         PR middle-end/51867
11393         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
11395 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
11397         PR driver/48524
11398         * gcc.c (switch_matches) Support switches with separated form,
11399         -D and -U.
11401 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
11403         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
11404         (SP_ADDR): Ditto.
11405         (RAMPZ_ADDR): Ditto.
11406         * config/avr/avr.c (avr_addr_t): New typedef.
11407         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
11408         (avr_init_expanders): Initialize it.
11409         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
11410         SREG_ADDR.
11411         (expand_epilogue): Ditto.
11412         (avr_print_operand): Ditto.
11413         (avr_file_start): Ditto.
11414         (avr_emit_movmemhi): Ditto.
11416 2012-02-08  Richard Guenther  <rguenther@suse.de>
11418         PR tree-optimization/46886
11419         * tree-flow.h (do_while_loop_p): Declare.
11420         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
11421         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
11423 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
11425         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
11426         always succeed for integers larger than a native word.
11428 2012-02-08  Richard Guenther  <rguenther@suse.de>
11430         PR rtl-optimization/52170
11431         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
11432         properly handle integer vector modes.
11434 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
11436         PR gcov-profile/52150
11437         * coverage.c: Include target.h.
11438         (build_var): Call targetm.strip_name_encoding on the assembler name.
11439         Change one _ into . or $ if the target allows it.
11440         * Makefile.in (coverage.o): Depend on $(TARGET_H).
11442         PR rtl-optimization/52139
11443         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
11444         is a BARRIER after emit_insn_after_noloc, move BB_END
11445         to the last non-BARRIER insn before it.
11447 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
11449         PR middle-end/24306
11450         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
11451         (mips_gimplify_va_arg_expr): Call it instead of
11452         std_gimplify_va_arg_expr.
11454 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
11456         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
11457         message for -mno-pointers-to-nested-function.
11459 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
11461         PR middle-end/51994
11462         * expr.c (get_inner_reference): If there is an offset, add a negative
11463         bit position to it (if any).
11465 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
11467         PR rtl-optimization/52060
11468         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
11469         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
11470         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
11471         and/or i0src_copy2 when needed.
11473 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
11475         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
11476         or LTOPLUGINSONAME if have_c.
11478         * config/freebsd-spec.h: Add comment about what macros can be defined
11479         in this header.
11480         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
11481         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
11482         here instead.
11484 2012-02-07  Richard Guenther  <rguenther@suse.de>
11486         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
11487         newline in -alias dumps.
11489 2012-02-07  Kai Tietz  <ktietz@redhat.com>
11490             Dave Korn  <dave.korn.cygwin@gmail.com>
11492         PR target/40068
11493         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
11494         Take care that typinfo gets dllexport-attribute.
11496 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
11498         PR middle-end/52074
11499         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
11500         if modifier < EXPAND_SUM call force_operand on the result.
11502 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
11504         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
11505         adding __forwarder_dst__ prefix if a forwarder_section attribute is
11506         present.
11507         (epiphany_function_type): Replace types for specific interrupts with
11508         EPIPHANY_FUNCTION_INTERRUPT.
11509         (EPIPHANY_INTERRUPT_P): Update.
11510         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
11511         New static function.
11512         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
11513         <disinterrupt>: Affects type identity.
11514         (epiphany_handle_interrupt_attribute): Handle variable number of
11515         arguments.
11516         (epiphany_compute_function_type): Update for new
11517         epiphany_function_type definition.
11518         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
11519         handlers with a longcall forwarder.
11520         (epiphany_start_function): Handle multiple interrupt arguments and/or
11521         forwarder_section attribute.
11523         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
11524         libgloss.
11526 2012-02-07  Alan Modra  <amodra@gmail.com>
11528         PR target/52107
11529         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
11530         subregs of TFmode.
11532 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11534         PR tree-optimization/50969
11535         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
11536         use vec_perm rather than vector_stmt.
11537         (vect_model_load_cost): Likewise.
11538         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
11539         vec_perm to be the same as other vector statements.
11540         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
11541         cost of vec_perm for TARGET_VSX.
11543 2012-02-06  Richard Guenther  <rguenther@suse.de>
11545         PR tree-optimization/52115
11546         * tree-sra.c (access_has_replacements_p): New function.
11547         (sra_modify_assign): Use it to decide whether a use is uninitialized.
11549 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
11551         PR middle-end/52047
11552         * trans-mem.c (expand_call_tm): Add an assertion.
11553         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
11554         functions.
11556 2012-02-06  Richard Guenther  <rguenther@suse.de>
11558         PR tree-optimization/50955
11559         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
11560         raise cost of expressions that replace an address with an
11561         expression based on a different pointer.
11563 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
11565         PR target/52129
11566         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
11567         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
11569 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
11571         PR c++/48680
11572         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
11573         -Weffc++ and specify guidelines come from second edition.
11575 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
11577         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
11578         (sibcall_value_multiple_internal, call_split, call_internal_direct)
11579         (call_direct_split, call_value_split, call_value_internal_direct)
11580         (call_value_direct_split, call_value_multiple_split): Use jal and
11581         jal_macro attributes.
11583 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
11585         * reload1.c (reload_regs_reach_end_p): Replace with...
11586         (reload_reg_rtx_reaches_end_p): ...this function.
11587         (new_spill_reg_store): Update commentary.
11588         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
11589         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
11590         before setting new_spill_reg_store.
11591         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
11592         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
11593         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
11594         for non-spill reload registers.
11596 2012-02-05  Ira Rosen  <irar@il.ibm.com>
11598         PR tree-optimization/52091
11599         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
11600         (vect_is_simple_use_1): Likewise.
11601         * tree-vect-loop.c (vectorizable_reduction): Update calls
11602         to vect_is_simple_use_1 and vect_is_simple_use.
11603         (vectorizable_live_operation): Likewise.
11604         * tree-vect-patterns.c (widened_name_p,
11605         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
11606         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
11607         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
11608         vectorizable_shift,vectorizable_operation, vectorizable_store,
11609         vectorizable_load): Likewise.
11610         (vect_is_simple_cond): Add an argument, pass it to
11611         vect_is_simple_use_1.
11612         (vectorizable_condition): Update calls to vect_is_simple_cond,
11613         vect_is_simple_use.
11614         (vect_is_simple_use): Add an argument, the statement in which
11615         OPERAND is used.  Check that if OPERAND's def stmt is a double
11616         reduction phi node, the use is a phi node too.
11617         (vect_is_simple_use_1): Add an argument, pass it to
11618         vect_is_simple_use.
11619         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
11620         to vect_is_simple_use.
11622 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
11624         PR rtl-optimization/52095
11625         * modulo-sched.c (dump_insn_locator): New function.
11626         (loop_canon_p, sms_schedule): Use it.
11628         PR rtl-optimization/52113
11629         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
11630         even for decomposable shift/zext insns.
11632 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
11633             Zdenek Dvorak  <ook@ucw.cz>
11635         PR rtl-optimization/52092
11636         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
11637         on get_iv_value result.
11639 2012-02-02  Andrew Pinski  <apinski@cavium.com>
11641         PR middle-end/47982
11642         PR middle-end/43967
11643         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
11645 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
11647         PR middle-end/48071
11648         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
11650 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
11652         PR rtl-optimization/49800
11653         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
11654         (sched_finish): Call regstat_free_n_sets_and_refs.
11656 2012-02-02  Jia Liu  <proljc@gmail.com>
11658         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
11659         than operand 2.
11661 2012-02-02  Jan Hubicka  <jh@suse.cz>
11662             Tom de Vries  <tom@codesourcery.com>
11664         PR middle-end/51998
11665         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
11666         * varpool.c (varpool_analyze_pending_decls): Likewise.
11668 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
11669             Jayant R Sonar <jayant.sonar@kpitcummins.com>
11671         * config.gcc: Add cr16-* support.
11673         * doc/extend.texi: Document cr16 extensions.
11674         * doc/install.texi: Document cr16 install.
11675         * doc/invoke.texi: Document cr16 options.
11676         * doc/md.texi: Document cr16 constraints.
11678         * common/config/cr16/cr16-common.c: New file.
11679         * config/cr16/cr16.c: New file.
11680         * config/cr16/cr16.h: New file.
11681         * config/cr16/cr16.md: New file.
11682         * config/cr16/cr16.opt: New file.
11683         * config/cr16/cr16-protos.h: New file.
11684         * config/cr16/predicates.md: New file.
11685         * config/cr16/constraints.md: New file.
11686         * config/cr16/t-cr16: New file.
11688 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
11690         PR target/52086
11691         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
11692         that operands[2] is either immediate, or q_regs_operand.
11694         PR tree-optimization/52073
11695         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
11696         a pattern stmt for pattern uses, ignore uses outside of the loop.
11698 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
11700         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
11701         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
11702         (OUT_AS1, OUT_AS2): Remove.
11704 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
11706         PR rtl-optimization/51374
11707         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
11708         to cross other volatile_refs_p insns.
11710 2012-02-01  Richard Guenther  <rguenther@suse.de>
11712         * doc/invoke.texi (fno-inline): Clarify documentation.
11713         (finline-small-functions): Likewise.
11714         (finline-functions): Likewise.
11715         * common.opt (finline): Adjust comment and documentation.
11716         (finline-small-functions): Clarify documentation.
11717         (finline-functions): Likewise.
11718         (finline-functions-called-once): Likewise.
11720 2012-02-01  Tristan Gingold  <gingold@adacore.com>
11722         * c-typeck.c (composite_type): Keep mode for pointers.
11724 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
11726         * function.h (regno_reg_rtx): Adjust comment.
11727         * reginfo.c (init_reg_modes_target): Only use the previous mode
11728         if it fits within one register.  Remove MIPS comment.
11730 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
11732         PR bootstrap/52058
11733         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
11735 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
11737         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
11738         to srak instruction.
11740 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
11742         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
11744 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
11746         PR bootstrap/52041
11747         PR bootstrap/52039
11748         PR target/51974
11749         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
11751 2012-01-31  Richard Guenther  <rguenther@suse.de>
11753         PR tree-optimization/51528
11754         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
11755         assigns.
11757 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
11759         PR bootstrap/52041
11760         PR bootstrap/52039
11761         PR target/51974
11762         * ree.c (add_removable_extension): Change def_map argument
11763         to unsigned *, store in def_map 1 + offset into *insn_list vector
11764         instead of pointers into the vector.
11765         (find_removable_extensions): Adjust caller.
11767 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
11769         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
11770         Transform all "* quoted-c-code" to { c-code }.
11771         Remove redundant test for "optimize" in combine patterns.
11772         Move (include "avr-dimode.md") to end of file.
11774 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
11776         PR target/51835
11777         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
11778         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
11780 2012-01-30  Richard Guenther  <rguenther@suse.de>
11782         PR tree-optimization/52028
11783         * tree-loop-distribution.c (ldist_gen): Properly update
11784         virtual SSA form.
11786 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
11788         PR debug/52027
11789         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
11790         set_cur_line_info_table if not emitting debug info.
11792         PR tree-optimization/52046
11793         * tree-vect-patterns.c (check_bool_pattern): Give up if
11794         a comparison could throw.
11796         PR debug/52048
11797         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
11799 2012-01-30  Richard Guenther  <rguenther@suse.de>
11801         PR tree-optimization/52045
11802         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
11803         SSA form if cfgcleanup did anything.
11805 2012-01-30  Richard Guenther  <rguenther@suse.de>
11807         PR tree-optimization/52045
11808         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
11809         before computing final todo.
11811 2012-01-30  Richard Guenther  <rguenther@suse.de>
11813         PR tree-optimization/51528
11814         * tree-sra.c (sra_modify_assign): Re-factor in preparation
11815         for PR51528 fix.
11817 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
11819         * df-problems.c (df_kill_notes): Check that the use refers
11820         to the note under examination.
11822 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
11824         PR target/51920
11825         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
11826         parameter and use short-lived pseudos.
11827         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
11828         (sparc_expand_vector_init): Const-ify local variables and adjust
11829         calls to above functions.
11831 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
11833         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
11835 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
11837         * doc/invoke.texi: Make usage of "compile time" and
11838         "run time"/"runtime" consistent throughout the file.
11840 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
11842         * config/alpha/alpha.c (alpha_option_override): Default to
11843         full IEEE compliance mode for Go language.
11845 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
11847         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
11848         (LINK_SSP_SPEC): Define.
11850 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11852         PR target/51871
11853         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
11854         stubs.
11856 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
11858         * doc/invoke.texi: Correct hyphenation of "floating point",
11859         "double precision", and related terminology throughout the file.
11861 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
11863         PR target/52006
11864         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
11865         arm_general_register_operand predicate for operand 2 instead of
11866         register_operand.
11868 2012-01-27  Ian Lance Taylor  <iant@google.com>
11870         PR go/47656
11871         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
11872         * builtins.c (expand_builtin_init_trampoline): Add onstack
11873         parameter.  Change caller.
11874         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
11875         * tree.c (build_common_builtin_nodes): Declare
11876         __builtin_init_heap_trampoline.
11878 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
11880         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
11881         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
11882         * config/avr/avr.c: Ditto.
11883         (avr_regnames): Remove because unused.
11884         * config/avr/avr.md (*cpse.ne): New peephole.
11885         (*cpse.eq): New peephole from former cpse peepholes.
11887 2012-01-27  Michael Eager  <eager@eagercon.com>
11889         * config/microblaze.c (microblaze_emit_compare): Correct
11890         test after pcmp instruction.
11892 2012-01-27  Richard Guenther  <rguenther@suse.de>
11894         PR tree-optimization/52020
11895         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
11897 2012-01-27  Richard Guenther  <rguenther@suse.de>
11899         * ipa-pure-const.c (check_stmt): Clobbers do not make a
11900         function non-const/pure.
11902 2012-01-27  Richard Guenther  <rguenther@suse.de>
11904         PR tree-optimization/50444
11905         * tree-sra.c (build_ref_for_offset): Properly adjust the
11906         MEM_REF type for unaligned accesses.
11908 2012-01-27  Richard Guenther  <rguenther@suse.de>
11910         PR tree-optimization/50444
11911         * expr.c (mem_ref_refers_to_non_mem_p): New function.
11912         (expand_assignment): Use it.  Properly handle misaligned
11913         bases when expanding stores to component references.
11914         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
11915         refactor that case.
11917 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
11919         PR middle-end/51389
11920         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
11921         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
11922         * tree-data-ref.c (find_data_references_in_loop): Make static.
11923         (compute_all_dependences): Change return type to bool.  Bail out
11924         for too many datarefs in a loop.  Move the hunk resetting the data
11925         dependences vector from ...
11926         (compute_data_dependences_for_loop): ... here.  Account for
11927         compute_all_dependences returning false.
11928         (compute_data_dependences_for_bb): Likewise.
11929         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
11930         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
11932 2012-01-27  Richard Guenther  <rguenther@suse.de>
11934         PR middle-end/51959
11935         * expr.c (store_field): Use the alias-set of the scratch memory
11936         for storing to it.
11938 2012-01-27  Tom de Vries  <tom@codesourcery.com>
11940         PR tree-optimization/51990
11941         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
11942         WITH_SIZE_EXPR.
11943         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
11945 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
11947         PR debug/52001
11948         * var-tracking.c (reverse_op): Don't add any reverse operation
11949         if V already has any constant locations.
11951 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
11953         * doc/invoke.texi: Correct usage of "command line" (noun)
11954         vs "command-line" (adjective) throughout.
11956 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
11958         * doc/invoke.texi (Language Independent Options): Move
11959         -Wcoverage-mismatch blurb from here....
11960         (Warning Options): ...to here.
11962 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
11964         * config/rs6000/rs6000.c (rs6000_option_override_internal):
11965         Set rs6000_always_hint to false for 476.
11967 2012-01-27  Matthias Klose  <doko@ubuntu.com>
11969         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
11970           system root.
11971         * incpath.c (add_standard_paths): Likewise.
11973 2012-01-27  Richard Henderson  <rth@redhat.com>
11975         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
11976         * config/m68k/sync.md (atomic_test_and_set): Rename from
11977         sync_test_and_setqi and adjust the operands.
11978         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
11979         and unconditionally enable.
11981 2012-01-27  Richard Henderson  <rth@redhat.com>
11983         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
11984         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
11985         (ldstub): Rename from ldstubqi.
11986         (ldstub<I24MODE>): Remove.
11988 2012-01-27  Richard Henderson  <rth@redhat.com>
11990         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
11991         * c-cppbuiltin.c (cpp_atomic_builtins): Define
11992         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
11993         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
11994         * doc/tm.texi: Rebuild.
11996 2012-01-27  Richard Henderson  <rth@redhat.com>
11998         * optabs.c (gen_atomic_test_and_set): Remove default.
11999         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
12001 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
12003         PR rtl-optimization/51978
12004         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
12005         (combine_reaching_defs): Likewise.
12006         (struct re_info): Remove.
12007         (add_removable_extension): Remove x and data arguments,
12008         add insn, insn_list and def_map.  Use the arguments directly
12009         instead of using struct re_info.
12010         (find_removable_extensions): Don't call add_removable_extension
12011         through note_stores, instead just call it with single_set
12012         result if non-NULL.
12013         (find_and_remove_re): Pass curr_cand->expr instead of
12014         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
12016 2012-01-26  Michael Matz  <matz@suse.de>
12018         PR tree-optimization/46590
12019         * cfgexpand.c: Revert last change (r183305).
12020         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
12021         regs.
12022         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
12023         checking for emptiness.
12025 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
12027         PR middle-end/51895
12028         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
12029         non-addressable non-BLKmode base correctly.
12031 2012-01-26  Michael Matz  <matz@suse.de>
12033         PR tree-optimization/48794
12034         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
12035         regions referenced from RESX/EH_DISPATCH.
12037 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12039         * config/s390/s390.h: Make BRANCH_COST an option.
12040         * config/s390/s390.opt: New option -mbranch-cost.
12042 2012-01-26  Richard Henderson  <rth@redhat.com>
12044         Revert 2012-01-24 change:
12045         * trans-mem.c (requires_barrier): Do not instrument thread local
12046         variables and emit save/restore for them.
12048 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
12050         PR middle-end/51986
12051         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
12052         for pat == 0.
12054 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
12056         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
12057         ASM_OPERANDS.
12059 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
12061         PR target/49868
12062         Rename __pgm to __flash.
12063         Rename __pgm1 to __flash1.
12064         Rename __pgm2 to __flash2.
12065         Rename __pgm3 to __flash3.
12066         Rename __pgm4 to __flash4.
12067         Rename __pgm5 to __flash5.
12068         Rename __pgmx to __memx.
12069         * doc/extend.texi (AVR Named Address Spaces)
12070         Rename address space names as indicated above.
12071         * config/avr/avr.c (avr_addrspace): Ditto.
12073         * config/avr/avr-protos.h
12074         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
12075         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
12076         * config/avr/predicates.md: Ditto.
12077         * config/avr/avr.c Ditto, and
12078         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
12079         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
12081         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
12082         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
12083         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
12084         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
12085         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
12086         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
12087         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
12088         * config/avr/avr.c: Ditto.
12089         * config/avr/avr.md: Ditto.
12091 2012-01-25  Jason Merrill  <jason@redhat.com>
12093         PR c++/51992
12094         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
12096 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
12098         PR tree-optimization/51987
12099         * tree-data-ref.c (get_references_in_stmt): Handle references in
12100         non-volatile GIMPLE_ASM.
12102 2012-01-25  Richard Guenther  <rguenther@suse.de>
12104         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
12105         bases are dereferenced.
12107 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
12109         PR rtl-optimization/48374
12110         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
12112 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
12114         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
12115         compute_data_dependences_for_loop returns false.
12116         * tree-parloops.c (loop_parallel_p): Likewise.
12118 2012-01-25  Richard Guenther  <rguenther@suse.de>
12120         * tree.h (get_pointer_alignment_1): Declare.
12121         * builtins.c (get_pointer_alignment_1): New function.
12122         (get_pointer_alignment): Use it.
12124 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
12126         PR rtl-optimization/48308
12127         * combine.c (enum undo_kind): Add UNDO_LINKS.
12128         (struct undo): Add member l to other_contents and where.
12129         (do_SUBST_LINK): New.
12130         (SUBST_LINK): New.
12131         (try_combine): Handle LOG_LINKS for the dummy i1 case.
12132         (undo_all): Handle UNDO_LINKS.
12134 2012-01-25  Richard Henderson  <rth@redhat.com>
12136         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
12137         mem inputs.
12139 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
12141         * optabs.c (gen_atomic_test_and_set): Use each argument.
12143 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
12145         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
12146         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
12147         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
12148         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
12149         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
12150         TARGET_PAIRED_SINGLE_FLOAT.
12152 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
12154         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
12155         (in_struct, return_val): Remove MEM documentation.
12156         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
12157         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
12158         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
12159         and MEM_SCALAR.
12160         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12161         * cfgexpand.c (add_alias_set_conflicts): Likewise.
12162         * expr.c (store_field): Likewise.
12163         * function.c (assign_stack_temp_for_type): Likewise.
12164         * ifcvt.c (noce_try_cmove_arith): Likewise.
12165         * reload1.c (reload): Likewise.
12166         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
12167         (alpha_set_memflags): Likewise.
12168         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
12170 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
12172         * rtl.h (true_dependence, canon_true_dependence): Remove varies
12173         parameter.
12174         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
12175         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
12176         (true_dependence_1, true_dependence, canon_true_dependence): Remove
12177         varies parameter.
12178         * cselib.c (cselib_rtx_varies_p): Delete.
12179         (cselib_invalidate_mem): Update call to canon_true_dependence.
12180         * dse.c (record_store, check_mem_read_rtx): Likewise.
12181         (scan_reads_nospill): Likewise.
12182         * cse.c (check_dependence): Likewise.
12183         (cse_rtx_varies_p): Delete.
12184         * expr.c (safe_from_p): Update call to true_dependence.
12185         * ira.c (validate_equiv_mem_from_store): Likewise.
12186         (memref_referenced_p): Likewise.
12187         * postreload-gcse.c (find_mem_conflicts): Likewise.
12188         * sched-deps.c (sched_analyze_2): Likewise.
12189         * store-motion.c (load_kills_store): Likewise.
12190         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
12191         * gcse.c (mems_conflict_for_gcse_p): Likewise.
12192         (compute_transp): Update call to canon_true_dependence.
12194 2012-01-25  Richard Henderson  <rth@redhat.com>
12196         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
12197         (maybe_emit_atomic_test_and_set): New.
12198         (expand_sync_lock_test_and_set): Use it.
12199         (expand_atomic_test_and_set): Likewise.
12200         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
12201         the implementation; clarify implementation defined details.
12202         * doc/md.texi (atomic_test_and_set): Document.
12204 2012-01-25  Richard Henderson  <rth@redhat.com>
12206         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
12208 2012-01-25  Richard Henderson  <rth@redhat.com>
12210         PR target/51968
12211         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
12212         to effect no-op split.
12214 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
12216         PR lto/51698
12217         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
12218         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
12219         (BT_FN_VOID_PTR_INT_SIZE): New.
12220         (BT_FN_UINT_UINT_VAR): Remove.
12221         (BT_FN_UINT32_UINT32_VAR): New.
12222         (BT_FN_DOUBLE_VPTR): Remove.
12223         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
12225         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
12226         (_ITM_changeTransactionMode): Same.
12227         (_ITM_memmoveRtWt): Change return type to void.
12228         (_ITM_memcpyRtWt): Same.
12229         (_ITM_memsetW): Same.
12230         (_ITM_RaRD): Change types to double.
12231         (_ITM_RD): Same.
12232         (_ITM_RaWD): Same.
12233         (_ITM_RfWD): Same.
12235         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
12237 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
12238             Patrick Marlier  <patrick.marlier@gmail.com>
12240         * trans-mem.c (requires_barrier): Do not instrument thread local
12241         variables and emit save/restore for them.
12243 2012-01-24  Jason Merrill  <jason@redhat.com>
12245         PR c++/51812
12246         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
12247         output static aliases.
12249 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
12251         PR driver/47249
12252         * common.opt (-pie, -shared, pie, shared): Change from Common to
12253         Driver.
12254         * gcc.c (display_help): Display help for -pie and -shared.
12256 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
12258         PR target/49868
12259         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
12260         Remove note on size/offset limitation.
12261         (AVR Variable Attributes): Add example how to read data located
12262         with progmem.  Refer to named address spaces.
12263         * doc/invoke.texi (AVR Options): Fix typo.
12265 2012-01-24  Richard Guenther  <rguenther@suse.de>
12267         Forward-port to trunk
12268         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
12270         PR middle-end/45678
12271         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
12272         op0 isn't sufficiently aligned and there is movmisalignM
12273         insn for mode, use it to load op0 into a temporary register.
12275 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
12277         PR target/51957
12278         * target.def (const_not_ok_for_debug_p): New hook.
12279         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
12280         documentation.
12281         * doc/tm.texi: Regenerated.
12282         * dwarf2out.c (const_ok_for_output_1): If
12283         targetm.const_not_ok_for_debug_p returns true, fail.
12284         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
12285         function.
12286         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
12288 2012-01-23  Kai Tietz  <ktietz@redhat.com>
12290         PR target/51900
12291         * config/i386/predicates.md (symbolic_operand): Allow
12292         UNSPEC_PCREL as PIC expression for lea.
12293         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
12294         * config/i386/i386.c (ix86_delegitimize_address): Handle
12295         UNSPEC_PCREL for none-MEM, too.
12297 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
12299         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
12300         (ipa_tm_create_version_alias): Same.
12302 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
12304         PR libitm/51830
12305         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
12306         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
12308 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
12309             Patrick Marlier  <patrick.marlier@gmail.com>
12310             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
12312         PR lto/51916
12313         * lto-wrapper.c (run_gcc): Pass the LTO section name to
12314         simple_object_start_read.
12316 2012-01-23  Richard Guenther  <rguenther@suse.de>
12319         PR tree-optimization/51895
12320         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
12321         parameter decomposition into BLKmode components.
12323 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
12325         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
12326         fake variables for restrict-qualified pointers whose pointed-to type
12327         contains a placeholder.
12329 2012-01-23  Richard Guenther  <rguenther@suse.de>
12331         PR tree-optimization/51949
12332         * ipa-split.c (execute_split_functions): Do not split malloc functions.
12334 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
12336         PR rtl-optimization/51933
12337         * ree.c (transform_ifelse): Return true right away if dstreg is
12338         already wider or equal to cand->mode.
12339         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
12340         (make_defs_and_copies_lists): Remove defs_list and copies_list
12341         arguments, add state argument, just truncate state->work_list
12342         instead of always allocating and freeing the vector.  Assert that
12343         get_defs succeeds instead of returning 2.  Changed return type to bool.
12344         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
12345         have ext_src_mode, see if it has been modified already with the
12346         right kind of extension and has been extended before from the
12347         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
12348         just return true.  Remember the original mode in state->modified array.
12349         (combine_reaching_defs): Add state argument.  Don't allocate and
12350         free here def_list, copied_list and vec vectors, instead just
12351         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
12352         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
12353         Add state variable, clear vectors in it, initialize state.modified
12354         if needed.  Free all the vectors at the end and state.modified too.
12355         Don't skip a candidate if the extension expression has been modified.
12357 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
12359         PR target/47096
12360         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
12361          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
12362         (extra_options) interix.opt -> i386/interix.opt"
12363         (extra_objs):Add winnt-stubs.o
12364         * configure.ac: Add interix to target_os .comm on PE check.
12365         * configure: Regenerate.
12366         * config/interix3.h: Delete and move bits to..
12367         * config/interix.h: Delete and move bits to..
12368         * config/i386/i386-interix3.h: Delete and move bits to..
12369         * config/i386/i386-interix.h: ..here.
12370         (TARGET_CPU_DEFAULT): Remove redefinition.
12371         (TARGET_ASM_CONSTRUCTOR): Undefine.
12372         (SUBTARGET_SWITCHES): Define for ms-bitfields.
12373         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
12374         (PTRDIFF_TYPE): Define.
12375         (LONG_DOUBLE_TYPE_SIZE): Define.
12376         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
12377         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12378         (TARGET_SECTION_TYPE_FLAGS): Define.
12379         (ASM_DECLARE_FUNCTION_NAME): Define.
12380         (ASM_OUTPUT_EXTERNAL): Define.
12381         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
12382         (ASM_OUTPUT_ALIGNED_BSS): Define.
12383         (PCC_BITFIELD_TYPE_MATTERS): Define.
12384         (USE_CONST_SECTION): Define.
12385         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
12386         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
12387         (SUPPORTS_ONE_ONLY): Remove.
12388         (I386_PE_STRIP_ENCODING): Define.
12389         * config/interix.opt: Delete and move bits to..
12390         * config/i386/interix.opt: ..here. New.
12391         (mpe-aligned-commons): Add.
12392         * config/i386/t-interix: Add copyright header.
12393         (winnt-stubs.o): Add rule.
12395 2012-01-22  Jason Merrill  <jason@redhat.com>
12397         PR c++/51832
12398         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
12399         for extra name aliases.
12401 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
12403         PR rtl-optimization/51924
12404         * ree.c (combine_set_extension): Improve debugging message.
12405         (combine_reaching_defs): Likewise.
12406         (get_defs): Rename confusingly named variable.
12407         (find_and_remove_re): Skip a candidate if the extension expression has
12408         been modified.
12410 2012-01-21  Robert Millan  <rmh@gnu.org>
12411             Gerald Pfeifer  <gerald@pfeifer.com>
12413         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
12414         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
12416 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
12418         PR tree-optimization/51914
12419         * tree-vect-stmts.c (vectorizable_conversion): For
12420         cvt_type && modifier == WIDEN, put temporary with cvt_type
12421         at the beginning of vec_dsts and set vec_dest to temporary
12422         with vectype_out.
12424 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
12426         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
12428 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
12430         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
12431         * config/rs6000/rs6000.c: Likewise.
12433 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
12435         PR target/51915
12436         * config/arm/arm.c (arm_count_output_move_double_insns): Call
12437         output_move_double on a copy of operands array.
12439 2012-01-20  Cary Coutant  <ccoutant@google.com>
12440             Dodji Seketeli  <dodji@redhat.com>
12442         PR debug/45682
12443         * dwarf2out.c (copy_declaration_context): Return ref to parent
12444         of declaration DIE, if necessary.
12445         (remove_child_or_replace_with_skeleton): Add new parameter; update
12446         caller.  Place skeleton DIE under parent DIE of original declaration.
12447         Move call to copy_declaration_context to here ...
12448         (break_out_comdat_types): ... from here.
12450 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12452         PR rtl-optimization/51856
12453         * reload.c (find_reloads_subreg_address): Set the address_reloaded
12454         flag to reloaded.
12456 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
12458         PR target/51819
12459         * config/arm/arm.c (arm_print_operand): Correct output of alignment
12460         hints for neon loads and stores.
12462 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
12464         PR target/49868
12465         PR target/50887
12466         * doc/extend.texi (Named Address Spaces): Split into subsections.
12467         (AVR Named Address Spaces): New subsection.
12468         (M32C Named Address Spaces): New subsection.
12469         (RL78 Named Address Spaces): New subsection.
12470         (SPU Named Address Spaces): New subsection.
12471         (Variable Attributes): New anchor "AVR Variable Attributes".
12472         (AVR Variable Attributes): Rewrite and avoid wording
12473         "address space" in this context.
12474         * doc/invoke.texi (AVR Options): Rewrite and add documentation
12475         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
12476         (AVR Built-in Macros): New subsubsection therein.
12477         * doc/md.texi (AVR constraints): Remove "C04", "R".
12479 2012-01-20  Richard Guenther  <rguenther@suse.de>
12481         PR tree-optimization/51903
12482         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
12483         when removing stmts.
12485 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
12487         PR target/50313
12488         * config/arm/arm.c (arm_load_pic_register): Use
12489         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
12490         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
12491         (arm_pic_static_addr): Likewise.
12492         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
12493         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
12494         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
12495         (pic_load_addr_unified): New.
12497 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
12499         PR target/51106
12500         * function.c (instantiate_virtual_regs_in_insn): Use
12501         delete_insn_and_edges when removing a wrong asm insn.
12503 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
12505         PR rtl-optimization/40761
12506         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
12507         Add new member loop_num.
12508         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
12509         (ira_build): Remove the parameter.
12511         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
12512         (ira.c): Do not build CFG loops for one region allocation.  Remove
12513         argument from ira_build call.
12515         * ira-build.c (init_loop_tree_node): New function.
12516         (create_loop_tree_nodes): Use it.  Separate the case when CFG
12517         loops are not built.
12518         (more_one_region_p): Check current_loops.
12519         (finish_loop_tree_nodes): Separate the case when CFG loops are not
12520         built.
12521         (add_loop_to_tree): Process loop equal to NULL too.
12522         (form_loop_tree): Separate the case when CFG loops are not built.
12523         Use explicitly number for the root.
12524         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
12525         an assertion.
12526         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
12527         instead of loop->num.
12528         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
12529         (mark_all_loops_for_removal): Ditto.
12530         (remove_unnecessary_regions): Separate the case when CFG loops
12531         are not built.
12532         (ira_build): Remove the parameter.  Use explicit number of regions
12533         when CFG loops are not built.
12535         * ira-color.c (print_loop_title): Separate the case for the root node.
12536         Use loop_num instead of loop->num.
12537         (move_spill_restore): Use loop_num instead of loop->num.
12539         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
12540         (change_loop): Ditto.
12541         (change_loop): Use loop_num instead of loop->num.
12543         * ira-lives.c (process_bb_node_lives): Ditto.
12545         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
12547         * ira-conflicts.c (print_allocno_conflicts): Ditto.
12549 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
12551         PR libmudflap/40778
12552         * tree-mudflap.c (mf_artificial): New function.
12553         (execute_mudflap_function_ops, execute_mudflap_function_decls,
12554         mx_register_decls, mudflap_enqueue_decl): Use it.
12556         PR target/51876
12557         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
12558         numbers in the insn pattern.
12560 2012-01-19  Michael Matz  <matz@suse.de>
12562         PR tree-optimization/46590
12563         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
12564         use it in remembering which conflicts we already created.
12565         (add_scope_conflicts): Adjust call to above, (de)allocate helper
12566         bitmap.
12568 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
12570         PR lto/51280
12571         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
12572         (merge_and_complain): Same.
12574 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
12576         PR bootstrap/50237
12577         * config/initfini-array.h: Guard content of the header
12578         with #ifdef HAVE_INITFINI_ARRAY.
12579         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
12580         Add initfini-array.h to tm_file here.
12581         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
12582         * config.gcc: Don't add initfini-array.h to tm_file here.
12583         * configure: Regenerated.
12585 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
12587         PR rtl-optimization/51505
12588         * df-problems.c (df_kill_notes): New parameter live. Update comment.
12589         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
12590         (df_note_bb_compute): Update the call to df_kill_notes.
12592 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
12594         * trans-mem.c (requires_barrier): Remove call to is_global_var.
12596 2012-01-18  Richard Guenther  <rguenther@suse.de>
12598         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
12599         of conversions to void *.
12601 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12602             Richard Sandiford  <rdsandiford@googlemail.com>
12604         PR middle-end/50325
12605         PR middle-end/51192
12606         * optabs.h (simplify_expand_binop): Declare.
12607         * optabs.c (simplify_expand_binop): Make global.
12608         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
12609         endian targets if the source cannot be exactly covered by word
12610         mode chunks.
12612 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
12614         PR bootstrap/51872
12615         * hard-reg-set.h (struct hard_reg_set_container): New type.
12616         * target.h (struct hard_reg_set_container): Forward declare.
12617         * target.def (set_up_by_prologue): New target hook.
12618         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
12619         * doc/tm.texi: Regenerated.
12620         * function.c (thread_prologue_and_epilogue_insns): Change
12621         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
12622         Call targetm.set_up_by_prologue on it.
12623         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
12624         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
12626 2012-01-17  Nick Clifton  <nickc@redhat.com>
12628         * config/rx/rx.c (rx_can_use_simple_return): New function.
12629         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
12630         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
12632 2012-01-17  Richard Guenther  <rguenther@suse.de>
12634         PR middle-end/51782
12635         * expr.c (expand_assignment): Take address-space information
12636         from the address operand of MEM_REF and TARGET_MEM_REF.
12637         (expand_expr_real_1): Likewise.
12639 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12641         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
12642         reload dump is requested.
12644 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
12646         PR other/51165
12647         * trans-mem.c (requires_barrier): Call may_be_aliased.
12649 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
12651         PR tree-optimization/51877
12652         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
12653         call arguments and fndecls compare equal, instead return false if they
12654         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
12655         both SSA_NAMEs that are valueized the same, or they satisfy
12656         operand_equal_p.
12658 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12660         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
12661         Solaris 11+.
12662         * configure: Regenerate.
12664 2012-01-16  Jan Hubicka  <jh@suse.cz>
12666         PR c/12245
12667         PR c++/14179
12668         * convert.c (convert_to_integer): Use fold_convert for
12669         converting an INTEGER_CST to integer type.
12671 2012-01-16  Jason Merrill  <jason@redhat.com>
12673         PR c++/14179
12674         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
12676 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
12678         PR bootstrap/51860
12679         * config/s390/s390.c (s390_chunkify_start): Don't skip
12680         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
12681         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
12682         If insn is followed by NOTE_INSN_VAR_LOCATION or
12683         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
12684         Don't use location of note insns.
12686         PR tree-optimization/51865
12687         * tree-inline.c (tree_function_versioning): Call remap_decl
12688         on DECL_RESULT whenever it has VOID_TYPE_P type.
12690 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
12692         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
12693         for calls to locally-binding MIPS16 functions if only the return
12694         type uses float regs.
12696 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
12697             Richard Sandiford  <rdsandiford@googlemail.com>
12699         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
12700         (SYMBOL_32_HIGH): Likewise.
12701         (mips_output_tls_reloc_directive): Declare.
12702         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
12703         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
12704         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
12705         (mips_lo_relocs, mips_hi_relocs): Make extern.
12706         (mips16_stub_function): Move up file.
12707         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
12708         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
12709         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
12710         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
12711         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
12712         (mips_get_tp): Add MIPS16 support.
12713         (mips_legitimize_tls_address): Remove MIPS16 sorry().
12714         Generalize DTPREL and TPREL handling.
12715         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
12716         Add MIPS16 TLS support.
12717         (mips_output_tls_reloc_directive): New function.
12718         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
12719         * config/mips/predicates.md (symbolic_operand_with_high)
12720         (tls_reloc_operand): New predicates.
12721         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
12722         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
12723         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
12724         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
12725         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
12726         (*tls_get_tp_mips16_call_<mode>): Likewise.
12728 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
12730         PR rtl-optimization/51821
12731         * recog.c (peep2_find_free_register): Determine clobbered registers
12732         from insn pattern.
12734 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
12736         PR target/50925
12737         * config/avr/avr-protos.h: Revert change of 2012-01-09.
12738         * config/avr/avr.c: Likewise.
12739         * config/avr/avr.h: Likewise.
12741 2012-01-13  Ian Lance Taylor  <iant@google.com>
12743         PR c++/50012
12744         * tree.h (TYPE_QUALS): Add cast to int.
12745         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
12747 2012-01-13  Ian Lance Taylor  <iant@google.com>
12749         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
12750         comparing param_index to VEC_length result.
12752 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
12754         * c-decl.c: Do not include tree-mudflap.h
12755         * tree-optimize.c: Likewise.
12756         * Makefile.in: Update dependencies.
12758 2012-01-13  Richard Guenther  <rguenther@suse.de>
12760         PR middle-end/8081
12761         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
12762         variable-sized result always use RSO.
12764 2012-01-12  DJ Delorie  <dj@redhat.com>
12766         * cfgexpand.c (convert_debug_memory_address): Allow any valid
12767         pointer type, not just the default pointer type.
12769 2012-01-09  Richard Henderson  <rth@redhat.com>
12770             Denis Chertykov  <chertykov@gmail.com>
12772         PR target/50925
12773         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
12774         * config/avr/avr.c (avr_can_eliminate): Simplify.
12775         (avr_initial_elimination_offset): Likewise.
12776         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
12777         (expand_epilogue): Likewise.
12778         (avr_legitimize_address): Gut.
12779         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
12780         (avr_hard_regno_nregs): New.
12781         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
12782         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
12783         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
12784         add soft frame pointer.
12785         (CALL_USED_REGISTERS): Likewise.
12786         (REG_CLASS_CONTENTS): Likewise.
12787         (REGISTER_NAMES): Likewise.
12788         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
12789         (HARD_FRAME_POINTER_REGNUM): New.
12790         (FRAME_POINTER_REGNUM): Use soft frame pointer.
12791         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
12792         remove the HARD_FRAME_POINTER self-elimination.
12794 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
12796         PR target/51756
12797         * config/avr/avr.c (avr_encode_section_info): Test for absence of
12798         DECL_EXTERNAL when checking for initializers of progmem variables.
12800 2012-01-12  Ira Rosen  <irar@il.ibm.com>
12802         PR tree-optimization/51799
12803         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
12804         that the last operation is a type demotion.
12806 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
12808         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
12809         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
12811 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
12813         PR bootstrap/51796
12814         * combine.c (distribute_notes): If i3 is a noreturn call,
12815         allow old_size to be equal to args_size and make sure the
12816         noreturn call gets REG_ARGS_SIZE note.
12817         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
12818         on noreturn calls even when the delta is 0.
12820 2012-01-11  Nathan Sidwell  <nathan@acm.org>
12822         * gcov.c (STRING_SIZE): Remove.
12823         (generate_results): Erase annotations for source files with no
12824         coverage information.
12825         (read_line): New.
12826         (output_lines): Use it.
12828 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12830         * gimple.h (gimplify_body): Remove first argument.
12831         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
12832         pointer set here, instead just pass DATA to walk_tree.
12833         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
12834         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
12835         (unvisit_body): Likewise, but with unmark_visited.
12836         (gimplify_body): Remove BODY_P argument and adjust.
12837         (gimplify_function_tree): Adjust call to gimplify_body.
12838         * omp-low.c (finalize_task_copyfn): Likewise.
12840 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
12842         * tree.h (build_function_decl_skip_args): Add boolean parameter.
12843         (build_function_type_skip_args): Delete.
12844         * tree.c (build_function_type_skip_args): Make static and add
12845         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
12846         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
12847         pass it to build_function_type_skip_args.
12848         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
12849         (tree_function_versioning): Likewise.
12850         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
12851         build_function_decl_skip_args.
12852         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
12853         and pass it to build_function_decl_skip_args/tree_function_versioning.
12854         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
12855         * ipa-inline-transform.c (save_inline_function_body): Likewise.
12856         * trans-mem.c (ipa_tm_create_version): Likewise.
12857         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
12858         * tree-inline.c (declare_return_variable): Remove always-true test.
12859         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
12860         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
12861         * ipa-split.c (split_function): Skip the return value for the split
12862         part if it doesn't return.
12864 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12866         PR tree-optimization/49642
12867         * ipa-split.c (forbidden_dominators): New variable.
12868         (check_forbidden_calls): New function.
12869         (dominated_by_forbidden): Likewise.
12870         (consider_split): Check for forbidden dominators.
12871         (execute_split_functions): Initialize and free forbidden
12872         dominators info; call check_forbidden_calls.
12874 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
12876         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
12878 2012-01-11  Nick Clifton  <nickc@redhat.com>
12880         * config/rx/rx.md (return): Define pattern.
12882 2012-01-11  Richard Guenther  <rguenther@suse.de>
12884         * doc/extend.texi (malloc attribute): Adjust according to
12885         implementation.
12887 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
12888             Patrick Marlier  <patrick.marlier@gmail.com>
12890         PR middle-end/51516
12891         * trans-mem.c (get_cg_data): Traverse aliases if requested.
12892         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
12893         (ipa_tm_note_irrevocable): Same.
12894         (ipa_tm_scan_irr_block): Same.
12895         (ipa_tm_decrement_clone_counts): Same.
12896         (ipa_tm_scan_irr_function): Same.
12897         (ipa_tm_create_version_alias): Same.
12898         (ipa_tm_create_version): Same.
12899         (ipa_tm_transform_calls_redirect): Same.
12900         (ipa_tm_transform_calls): Same.
12901         (ipa_tm_transform_transaction): Same.
12902         (ipa_tm_execute): Same.
12904 2012-01-10  Richard Guenther  <rguenther@suse.de>
12906         PR middle-end/51806
12907         * opts.c (common_handle_option): Handle -Werror.
12909 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
12911         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
12912         operand number.
12914 2012-01-10  Jason Merrill  <jason@redhat.com>
12916         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
12917         information.
12919 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
12921         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
12922         supports R_386_TLS_GD_PLT reloc.
12923         (gcc_cv_as_ix86_tlsldmplt): Check if linker
12924         supports R_386_TLS_LDM_PLT reloc.
12925         * configure: Regenerate.
12926         * config.in: Regenerate.
12928 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
12930         PR target/49868
12931         Extend __pgmx semantics to linearize memory.
12932         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
12933         determine if code comes inline or from libgcc.
12934         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
12935         (movmem_qi, movmem_qi): Set constraint #2 to "n".
12936         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
12937         (movmemx_qi, movmemx_hi): New insns.
12938         (xload_<mode>_libgcc): Rewrite to new insn condition.
12939         (xload_<mode>): Remove insns.
12940         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
12941         cases that don't satisfy avr_xload_libgcc_p().
12942         (avr_addr_space_convert): Allow converting in any direction.
12943         (avr_addr_space_subset_p): Return always true.
12944         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
12945         (avr_emit_movmemhi): Ditto.
12946         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
12947         (avr_out_movmem): Ditto.
12948         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
12949         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
12950         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
12951         (avr_encode_section_info): Encode 'progmem' in symbol flags.
12952         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
12954 2012-01-10  Richard Guenther  <rguenther@suse.de>
12956         PR tree-optimization/50913
12957         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
12958         Require data-refs to be representable by Graphite with respect
12959         to any loop nest.
12961 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
12963         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
12964         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
12966 2012-01-10  Tom de Vries  <tom@codesourcery.com>
12968         PR rtl-optimization/51271
12969         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
12970         handling annulled branch.
12972 2012-01-10  Richard Henderson  <rth@redhat.com>
12974         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
12975         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
12976         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
12977         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
12978         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
12979         arm_expand_vec_perm_const): New.
12980         * config/arm/arm-protos.h: Update.
12981         * config/arm/neon.md (UNSPEC_VCONCAT): New.
12982         (*neon_vswp<VDQX>): New.
12983         (neon_vcombine<VDX>): Use neon_split_vcombine.
12984         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
12985         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
12986         (vec_perm<VE>): New.
12988 2012-01-10  Richard Henderson  <rth@redhat.com>
12990         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
12991         use it if reload_completed.
12992         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
12993         arm_output_asm_insn, arm_process_output_memory_barrier,
12994         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
12995         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
12996         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
12997         arm_process_output_sync_insn, arm_output_sync_insn,
12998         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
12999         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
13000         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
13001         (emit_unlikely_jump): New.
13002         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
13003         (arm_split_atomic_op): New.
13004         * config/arm/arm-protos.h: Update.
13005         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
13006         (struct arm_sync_generator): Remove.
13007         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
13008         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
13009         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
13010         (VUNSPEC_LL, VUNSPEC_SC): New.
13011         (sync_result, sync_memory, sync_required_value, sync_new_value,
13012         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
13013         (attr length): Don't use arm_sync_loop_insns.
13014         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
13015         (movsfcc, movdfcc): Likewise.
13016         * config/arm/constraints.md (Ua): New.
13017         * config/arm/prediates.md (mem_noofs_operand): New.
13018         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
13019         (sync_clobber, sync_t2_reqd): Remove.
13020         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
13021         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
13022         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
13023         (arm_sync_compare_and_swap<SIDI>): Remove.
13024         (arm_sync_compare_and_swap<NARROW>): Remove.
13025         (arm_sync_lock_test_and_set<SIDI>): Remove.
13026         (arm_sync_lock_test_and_set<NARROW>): Remove.
13027         (arm_sync_new_<syncop><SIDI>): Remove.
13028         (arm_sync_new_<syncop><NARROW>): Remove.
13029         (arm_sync_new_nand<SIDI>): Remove.
13030         (arm_sync_new_nand<NARROW>): Remove.
13031         (arm_sync_old_<syncop><SIDI>): Remove.
13032         (arm_sync_old_<syncop><NARROW>): Remove.
13033         (arm_sync_old_nand<SIDI>): Remove.
13034         (arm_sync_old_nand<NARROW>): Remove.
13035         (*memory_barrier): Merge arm_output_memory_barrier.
13036         (atomic_compare_and_swap<QHSD>): New.
13037         (atomic_compare_and_swap<NARROW>_1): New.
13038         (atomic_compare_and_swap<SIDI>_1): New.
13039         (atomic_exchange<QHSD>): New.
13040         (cas_cmp_operand, cas_cmp_str): New.
13041         (atomic_op_operand, atomic_op_str): New.
13042         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
13043         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
13044         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
13045         (arm_load_exclusive<NARROW>): New.
13046         (arm_load_exclusivesi, arm_load_exclusivedi): New.
13047         (arm_store_exclusive<QHSD>): New.
13049 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
13051         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
13052         reload patterns if -mvsx-scalar-memory.
13054         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
13055         generated, even -mno-vsx-scalar-double was used.
13056         (vsx_xscvdpsp_scalar): Likewise.
13057         (vsx_xscvspdp_scalar2): Likewise.
13059 2012-01-09  Tom de Vries  <tom@codesourcery.com>
13060             Andrew Pinski  <apinski@cavium.com>
13062         PR debug/51471
13063         * reorg.c (fill_slots_from_thread): Don't speculate
13064         frame-related insns.
13066 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
13068         * sched-int.h (bb_note): Move to...
13069         * basic-block.h: ...here.
13070         * haifa-sched.c (bb_note): Move to...
13071         * cfgrtl.c: ...here.
13072         * function.c (next_block_for_reg): New function.
13073         (move_insn_for_shrink_wrap): Likewise.
13074         (prepare_shrink_wrap): Rewrite to use the above.
13076 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
13078         * gimple.c (is_gimple_non_addressable): Remove.
13079         * gimple.h: Remove is_gimple_non_addressable.
13080         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
13081         is_gimple_non_addressable.
13082         * trans-mem.c (expand_assign_tm): Same.
13084 2012-01-09  Richard Guenther  <rguenther@suse.de>
13086         PR tree-optimization/51775
13087         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
13088         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
13090 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
13092         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
13093         tuning parameters.
13094         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
13096 2012-01-09  Richard Guenther  <rguenther@suse.de>
13098         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
13100 2012-01-08  Jan Hubicka  <jh@suse.cz>
13102         PR tree-optimize/51680
13103         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
13104         on when known_vals needs to be computed; cleanup.
13106 2012-01-08  Jan Hubicka  <jh@suse.cz>
13108         PR tree-optimize/51694
13109         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
13111 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
13113         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
13114         for -std=c++98 and -std=c++11 too.
13116 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
13118         * cfgloop.c (cancel_loop): Add free() of bbs array.
13120 2012-01-07  Jan Hubicka  <jh@suse.cz>
13122         PR tree-optimization/51600
13123         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
13124         that benefits small functions.
13126 2012-01-07  Jan Hubicka  <jh@suse.cz>
13128         * ipa-inline.c (want_inline_small_function_p): Fix formating.
13130 2012-01-07  Jan Hubicka  <jh@suse.cz>
13132         PR tree-optimization/51680
13133         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
13134         whose inlining reduce unit size.
13136 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
13138         PR bootstrap/51725
13139         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
13140         Add canonical node to containing_mem chain after the non-canonical
13141         one, even if there weren't any locs to propagate.
13142         (remove_useless_values): Keep only canonical values.
13143         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
13144         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
13145         canonicalize mem_chain elements that are not discarded.
13147 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
13149         PR target/47333
13150         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
13151         before emitting functions.
13153         PR gcov-profile/50127
13154         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
13155         clear_aux_for_blocks.
13157 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
13159         PR debug/51746
13160         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
13162 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
13164         * c-decl.c (ext_block): Moved up.
13165         (collect_all_refs, for_each_global_decl): Take ext_block into account.
13167 2012-01-06  Han Shen  <shenhan@google.com>
13169         Translate built-in include paths for sysroot.
13170         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
13171         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
13173         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
13174         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
13176         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
13177         control whether sysroot should be prepended to gxx include dir.
13179         * configure: Regenerate.
13181 2012-01-06  Torvald Riegel  <triegel@redhat.com>
13183         PR rtl-optimization/51771
13184         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
13185         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
13187 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
13189         PR tree-optimization/51315
13190         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
13191         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
13193 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
13195         PR target/51681
13196         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
13197         for shrp pattern.  Correctly handle and fixup shift variable.
13198         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
13200 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
13202         PR debug/51762
13203         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
13204         note when !ACCUMULATE_OUTGOING_ARGS.
13206 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
13208         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
13209         condition.
13210         (extract_range_from_unary_expr_1): Avoid useless computations.
13212 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
13214         PR rtl-optimization/51767
13215         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
13216         of jump_block and add an extra edge for degenerated asm gotos.
13218         PR middle-end/51768
13219         * stmt.c (check_unique_operand_names): Don't ICE during error
13220         reporting if i is from labels chain.
13222         PR middle-end/44777
13223         * profile.c (branch_prob): Split bbs that have exit edge
13224         and need a fake entry edge too.
13226 2012-01-05  Jan Hubicka  <jh@suse.cz>
13228         PR middle-end/49710
13229         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
13230         unlooping loops.
13232 2012-01-05  Richard Guenther  <rguenther@suse.de>
13234         PR lto/50490
13235         * tree-streamer-out.c (write_ts_optimization): New function.
13236         (streamer_write_tree_body): Call it.
13237         * tree-streamer-in.c (lto_input_ts_optimization): New function.
13238         (streamer_read_tree_body): Call it.
13239         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
13241 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
13243         PR middle-end/51761
13244         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
13245         * gimplify.c (gimplify_cleanup_point_expr): Save and set
13246         in_cleanup_point_expr before gimplify_stmt call and restore it
13247         afterwards.
13248         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
13249         in_cleanup_point_expr is false.
13251 2012-01-05  Richard Guenther  <rguenther@suse.de>
13253         PR middle-end/51764
13254         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
13255         to c.opt.
13256         * toplev.c (process_options): Reject combining mudflap and LTO.
13257         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
13259 2012-01-05  Richard Guenther  <rguenther@suse.de>
13261         PR tree-optimization/51760
13262         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
13263         not VARYING.
13264         (bit_value_unop): Handle UNDEFINED operands.
13265         (bit_value_binop): Likewise.
13267 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
13269         * config/avr/avr.c (avr_replace_prefix): Remove.
13270         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
13271         (avr_asm_function_rodata_section): Ditto.
13272         (avr_asm_select_section): Ditto.
13274 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
13276         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
13277         insertion.
13279 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
13281         PR bootstrap/51648
13282         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
13283         calls that have any non-fake successor edges.
13285         PR debug/51746
13286         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
13288 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13290         PR tree-optimization/51624
13291         * tree-sra.c (build_ref_for_model): When replicating a chain of
13292         COMPONENT_REFs, stop as soon as the offset would become negative.
13294 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
13296         PR debug/51695
13297         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
13298         in .debug_loc on the floor.
13300 2012-01-04  Andrew Pinski  <apinski@cavium.com>
13302         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
13304 2012-01-04  Andrew Pinski  <apinski@cavium.com>
13305             Adam Nemet  <anemet@caviumnetworks.com>
13307         * config/mips/mips.md (size): Add SI and DI.
13308         (SIZE): New mode attribute.
13309         (U): New code attribute.
13310         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
13311         (mips_lbux_<mode>): Delete.
13312         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
13313         (mips_lhx): Use gen_mips_lhx_extsi.
13314         (mips_lhx_<mode>): Delete.
13315         (mips_lwx): Delete.
13316         (mips_l<size>x): New expand.
13317         (mips_lwx_<mode>): Delete.
13318         (mips_l<GPR:size>x_<P:mode>): New pattern.
13319         (*mips_lw<u>x_<P:mode>_ext): Likewise.
13320         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
13321         * config/mips/mips.c (mips_lx_address_p): New function.
13322         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
13323         (dsp64): New availability predicate.
13324         (mips_builtins): Add an entry for __builtin_mips_ldx.
13325         * config/mips/mips.h (ISA_HAS_LBX): New define.
13326         (ISA_HAS_LBUX): Likewise.
13327         (ISA_HAS_LHX): Likewise.
13328         (ISA_HAS_LHUX): Likewise.
13329         (ISA_HAS_LWX): Likewise.
13330         (ISA_HAS_LWUX): Likewise.
13331         (ISA_HAS_LDX): Likewise.
13332         * doc/extend.texi (__builtin_mips_ldx): Document.
13334 2012-01-04  Tristan Gingold  <gingold@adacore.com>
13336         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
13337         when long pointers are used.
13338         * config.build (*-*-*vms*): Handle all OpenVMS targets.
13339         (alpha64-dec-*vms*, alpha*-dec-*vms*)
13340         (ia64-hp-*vms*): Remove.
13341         * config/vms/xm-vms64.h: Delete.
13343 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
13345         PR middle-end/51472
13346         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
13348 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
13350         * opts.c (finish_options): Remove duplicate sorry.
13352 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
13354         PR middle-end/51696
13355         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
13356         correctly.
13358 2012-01-04  Richard Guenther  <rguenther@suse.de>
13360         PR middle-end/51750
13361         * tree.c (size_low_cst): New function.
13362         * tree.h (size_low_cst): Declare.
13363         * fold-const.c (fold_comparison): Use it to extract the low
13364         part of the POINTER_PLUS_EXPR offset.
13366 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
13368         Fix clearing ZERO_REG
13369         * config/avr/avr.md (cc): Add alternative "ldi".
13370         (movqi_insn): Use it in cc attribute.
13371         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
13372         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
13373         (output_reload_insisf): Use ZERO_REG to pre-clear register.
13375 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
13377         * configure: Regenerate.
13379 2012-01-04  Richard Guenther  <rguenther@suse.de>
13381         PR tree-optimization/49651
13382         * tree-ssa-structalias.c (type_can_have_subvars): New function.
13383         (var_can_have_subvars): Use it.
13384         (get_constraint_for_1): Only consider subfields if there can be any.
13386 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
13388         PR bootstrap/51725
13389         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
13390         to its new canonical_cselib_val and the cselib_val was in
13391         first_containing_mem chain, but the canonical_cselib_val was not,
13392         add the latter into the chain.
13393         (cselib_invalidate_mem): Compare canonical_cselib_val of
13394         addr_list chain elt with v.
13396         PR pch/51722
13397         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
13398         dwarf2out_undef): Allocate e.info using ggc_strdup instead
13399         of xstrdup.
13400         (output_macinfo_op): Don't ggc_strdup fd->filename.
13401         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
13402         then ggc_strdup it.  Don't free inc->info or cur->info.
13403         (output_macinfo): Don't free ref->info or file->info.
13405 2012-01-03  Ira Rosen  <irar@il.ibm.com>
13407         PR tree-optimization/51269
13408         * tree-vect-loop-manip.c (set_prologue_iterations): Make
13409         first_niters a pointer.
13410         (slpeel_tree_peel_loop_to_edge): Likewise.
13411         (vect_do_peeling_for_loop_bound): Update call to
13412         slpeel_tree_peel_loop_to_edge.
13413         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
13414         here.  Remove it from the parameters list.
13415         (vect_do_peeling_for_alignment): Update calls and compute
13416         wide_prolog_niters.
13418 2012-01-03  Richard Guenther  <rguenther@suse.de>
13420         PR tree-optimization/51070
13421         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
13422         Properly handle calls.
13424 2012-01-03  Richard Guenther  <rguenther@suse.de>
13426         PR tree-optimization/51692
13427         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
13428         the LHS of allocation stmts.
13430 2012-01-03  Olivier Hainque  <hainque@adacore.com>
13432         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
13434 2012-01-03  Olivier Hainque  <hainque@adacore.com>
13436         * collect2.c (main): In AIX specific computations for vector
13437         insertions, use CONST_CAST2 to cast from char ** to const char **.
13439 2012-01-03  Richard Guenther  <rguenther@suse.de>
13441         PR debug/51650
13442         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
13443         the context of a limbo DIE when it does not already exist.
13445 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
13447         PR tree-optimization/51719
13448         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
13449         but direct call is, clear direct call's lhs and don't add fallthrough
13450         edge from dcall_bb to join_bb and PHIs.
13452 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
13454         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
13455         the instructions emitted by the pattern.
13456         ("*TDC_insn_<mode>"): Add comment.
13458 2012-01-03  Richard Guenther  <rguenther@suse.de>
13460         PR middle-end/51730
13461         * fold-const.c (fold_comparison): Properly canonicalize
13462         tree offset and HOST_WIDE_INT bit position.
13464 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
13466         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
13467         operands for extzv pattern.
13469 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
13471         PR bootstrap/51725
13472         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
13473         on mem_elt first.
13475 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
13477         * doc/invoke.texi (-flto and related options): Copy-edit.
13479 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
13481         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
13483 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
13485         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
13486         New patterns.
13488 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
13490         * expr.h (move_by_pieces_ninsns): Declare.
13491         * expr.c (move_by_pieces_ninsns): Make external.
13492         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
13493         (mips_store_by_pieces_p): Likewise.
13494         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
13495         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
13496         * config/mips/mips.c (mips_move_by_pieces_p): New function.
13497         (mips_store_by_pieces_p): Likewise.
13499 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
13501         * passes.c (register_one_dump_file): Free full_name.
13503         * reload1.c (reload): Don't allocate reg_max_ref_width here.
13504         (calculate_elim_costs_all_insns): Free offsets_at and
13505         offsets_known_at at the end and clear the pointers.
13507 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
13509         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
13510         this option introduced in r180739.
13512 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
13514         PR target/51345
13515         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
13516         (tmake_file target=avr): Add avr/t-multilib.
13518         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
13519         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
13520         * config/avr/genmultilib.awk: New file.
13521         * config/avr/t-multilib: New auto-generated file.
13522         * config/avr/multilib.h: New auto-generated file.
13523         * config/avr/t-avr (AVR_MCUS): New variable.
13524         (genopt.sh): Use it.
13525         (s-mlib): Depend on t-multilib.
13526         (t-multilib, multilib.h): New dependencies.
13527         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
13528         (MULTILIB_OPTIONS): Remove.
13529         (MULTILIB_MATCHES): Remove.
13530         (MULTILIB_DIRNAMES): Remove.
13531         (MULTILIB_EXCEPTIONS): Remove:
13532         * config/avr/genopt.sh: Don't use hard coded file name;
13533         pass AVR_MCUS from t-avr instead.
13535 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
13537         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
13539 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
13541         Implement light-weight DImode support.
13542         * config/avr/avr-dimode.md: New file.
13543         * config/avr/avr.md: Include it.
13544         (adjust_len): Add plus64, compare64.
13545         (HIDI): Remove code iterator.
13546         (code_stdname): New code attribute.
13547         (rotx, rotsmode): Remove DI.
13548         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
13549         as code iterator.
13550         * config/avr/avr-protos.h (avr_have_dimode): New.
13551         (avr_out_plus64, avr_out_compare64): New.
13552         * config/avr/avr.c (avr_out_compare): Handle DImode.
13553         (avr_have_dimode): New variable definition and initialization.
13554         (avr_out_compare64, avr_out_plus64): New functions.
13555         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
13556         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
13557         (avr_compare_pattern): Skip DImode comparisons.
13559 2012-01-02  Revital Eres  <revital.eres@linaro.org>
13561         * ddg.c (def_has_ccmode_p): New function.
13562         (add_cross_iteration_register_deps,
13563         create_ddg_dep_from_intra_loop_link): Call it.
13565 2012-01-02  Richard Guenther  <rguenther@suse.de>
13567         PR other/51679
13568         * invoke.texi (fassociative-math): Remove spurious paranthesis.
13570 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
13572         * gcc.c (process_command): Update copyright notice dates.
13573         * gcov.c (print_version): Likewise.
13574         * gcov-dump.c (print_version): Likewise.
13575         * mips-tfile.c (main): Likewise.
13576         * mips-tdump.c (main): Likewise.
13578 2012-01-01  Ira Rosen  <irar@il.ibm.com>
13580         PR tree-optimization/51704
13581         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
13582         a use is inside the basic block or loop before accessing its vect info.
13584 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
13586         PR rtl-optimization/51069
13587         * cfgloopmanip.c (remove_path): Removing path making irreducible
13588         region unconditional makes BB part of the region.
13590 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
13592         PR tree-optimization/51683
13593         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
13594         calls with side-effects.
13595         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
13597 Copyright (C) 2012 Free Software Foundation, Inc.
13599 Copying and distribution of this file, with or without modification,
13600 are permitted in any medium without royalty provided the copyright
13601 notice and this notice are preserved.