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* config/i386/msformat-c.c (ms_printf_length_specs): Use enumeration
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
2
3         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
4         values even in sentinel and empty entries.
5         (ms_printf_flag_specs):  Likewise.
6         (ms_scanf_flag_specs):  Likewise.
7         (ms_strftime_flag_specs):  Likewise.
8         (ms_print_char_table):  Likewise.
9         (ms_scan_char_table):  Likewise.
10         (ms_time_char_table):  Likewise.
11
12 2009-05-13  Doug Kwan  <dougkwan@google.com>
13
14         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
15
16 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
17
18         * config/mips/mips.md (store): Add attributes for QI and HI.
19         Update comment.
20         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
21         (truncdi<mode>2): ... this new pattern.
22
23 2009-05-13  Brad Hards  <bradh@kde.org>
24
25         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
26
27 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
28             Ben Elliston <bje@au.ibm.com>
29
30         PR middle-end/40035
31         * dse.c (check_mem_read_rtx): Guard against width == -1.
32
33 2009-05-13  Michael Matz  <matz@suse.de>
34
35         PR middle-end/39976
36         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
37         (trivially_conflicts_p): New function.
38         (insert_backedge_copies): Use it.
39
40 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
41
42         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
43         (handle_stdc_pragma): Use new enum constant names.
44         (handle_pragma_float_const_decimal64): Ditto.
45
46 2009-05-13  Ian Lance Taylor  <iant@google.com>
47
48         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
49         tree.def.
50
51 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
52
53         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
54         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
55         multilibs.
56         * config/m68k/m68k.h (FL_UCLINUX): Define.
57
58 2009-05-13  Jan Hubicka  <jh@suse.cz>
59
60         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
61
62 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
63
64         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
65         unless -fschedule-insns is specified.
66
67 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
68
69         PR target/39561
70         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
71         TARGET_EXPAND_CBRANCHDI4.
72         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
73         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
74         (cmpeqdi): Fix comment.
75
76 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
77
78         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
79         (sh_legitimate_address_p): Likewise.
80         * config/sh/sh.c (sh_legitimate_index_p): New.
81         (sh_legitimate_address_p): Likewise.
82         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
83         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
84         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
85         (MAYBE_BASE_REGISTER_RTX_P): New macro.
86         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
87         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
88         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
89         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
90         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
91
92 2009-05-12  Jan Hubicka  <jh@suse.cz>
93
94         * tree-inline.c (estimate_operator_cost): Add operands;
95         when division happens by constant, it is cheap.
96         (estimate_num_insns): Loads and stores are not having cost of 0;
97         EH magic stuff is cheap; when computing runtime cost of switch,
98         use log2 base of amount of its cases; builtin_expect has cost of 0;
99         compute cost for moving return value of call.
100         (init_inline_once): Initialize time_based flags.
101         * tree-inline.h (eni_weights_d): Add time_based flag.
102
103 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
104
105         * df-core.c: Update head documentation.
106
107 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
108
109         PR bootstrap/40118
110         * rs6000.c (rs6000_generate_compare): Use op1b instead of
111         shadowing exisiting variable op1.
112
113 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
114
115         PR target/37179
116         * config/i386/driver-i386.c (processor_signatures): New enum.
117         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
118         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
119         processor signature to detect geode processor.
120
121 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
122
123         Revert:
124
125         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
126
127         * optabs.c (prepare_cmp_insn): Temporarily disable test that
128         causes spurious differences between trunk and cond-optab branch.
129
130 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
131
132         * dojump.c (compare_from_rtx): Delete.
133         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
134         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
135         if the comparison does not satisfy the predicate; test predicates for
136         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
137         further if one existing pattern fails.
138         * expr.h (compare_from_rtx): Delete.
139         (prepare_operand): Declare it.
140         * optabs.c: Change "lib call" to "libcall" throughout.
141         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
142         HAVE_conditional_trap, emit_cmp_insn): Delete.
143         (can_compare_p): Delete cmp_optab case.
144         (prepare_float_lib_cmp): Return an rtx and a machine mode.
145         Accept other parameters by value.
146         (prepare_operand): Make non-static.
147         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
148         other parameters by value.  Try to widen operands here based on
149         an optab_methods argument and looking at cbranch_optab.
150         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
151         loop.  Use cbranch_optab directly.
152         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
153         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
154         assertion.
155         (emit_conditional_move, emit_conditional_add): Inline what's needed
156         of compare_from_rtx, using new prepare_cmp_insn for the rest.
157         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
158         with COMPARE.  Move cmov_optab and cstore_optab above
159         with cbranch_optab, move cmp_optab down with ucmp_optab,
160         remove tst_otpab.  Do not initialize trap_rtx.
161         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
162         for trap code.  Do not check HAVE_conditional_trap.  Use
163         prepare_cmp_insn.  Accept no predicate for operand 3.
164         * optabs.h (OTI_cmp): Mark as used only for libcalls.
165         (OTI_ctrap, ctrap_optab): New.
166         (tst_optab): Delete.
167         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
168         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
169         with lookup of ctrap_optab.
170         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
171         setcc_gen_code): Delete.
172         (ctrap_optab): New.
173
174         * combine.c (combine_simplify_rtx, simplify_set): Do not
175         special case comparing against zero for cc0 machines.
176         * simplify-rtx.c (simplify_binary_operation_1): Never remove
177         COMPARE on cc0 machines.
178         (simplify_relational_operation): Return a new expression when
179         a COMPARE could be removed.
180         * final.c (final_scan_insn): Compare cc_status values
181         against LHS of a (compare FOO (const_int 0)) cc0 source.
182         Also check if cc_status.value is the full compare.
183
184         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
185         (cstoreMM4): Document.
186         (conditional_trap): Document ctrapMM4 instead.
187         (sync_compare_and_swapMM): Refer to cbranchcc4.
188         (Dependent Patterns): Eliminate obsolete information referring to
189         the old jump optimization phase.
190         (Canonicalization): Include cbranchcc4 case, omit canonicalization
191         of compares with 0 on cc0 machines.
192         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
193         avoiding references to cc0.  Remove text about storing operands
194         in cmpMM.
195         * doc/tm.texi (Condition Codes): Include blurb on different
196         condition code representations, separate into subsections for
197         CC0, MODE_CC and conditional execution.
198
199         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
200         alpha_emit_setcc): Accept operands and a machine mode.
201         * config/alpha/alpha.c (alpha_emit_conditional_branch):
202         Get code/op0/op1 from operands, use machine mode argument
203         instead of alpha_compare.fp_p.  Emit the branch here.
204         (alpha_emit_setcc): Likewise, and return boolean.
205         (alpha_emit_conditional_move): Likewise.  Assert that
206         cmp_op_mode == cmp_mode, and simplify accordingly.
207         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
208         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
209         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
210         Delete.
211         (stack probe test): Use cbranchdi4.
212         * config/alpha/predicates.md (alpha_cbranch_operator): New.
213
214         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
215         * config/arc/arc.h (movsicc, movsfcc): Use it.
216         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
217         (cbranchsi4, cstoresi4): New.
218         (cmpsi, bCC and sCC expanders): Remove. 
219
220         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
221         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
222         * config/arm/predicates.md (arm_comparison_operator): Only include
223         floating-point operators if there is a hardware floating-point unit.
224         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
225         deferring to cbranch_cc and cstore_cc respectively.
226         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
227         cbranch_cc, cstore_cc): New.
228         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
229         arm_compare_op1.
230         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
231
232         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
233         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
234         as an argument.
235         (adjust_insn_length): Adjust calls.
236         (avr_reorg): Handle (compare (foo) (const_int 0)).
237         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
238         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
239         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
240         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
241         (bCC): Remove.
242         (cbranchqi4, cbranchhi4, cbranchsi4): New.
243         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
244
245         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
246         (cbranchsi4, cstorebi4, cstoresi4): New.
247         (movbisi): This insn is duplicate, split it to zero_extend.
248         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
249         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
250         (bfin_optimize_loop): Use cbranch expander.
251         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
252         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
253         (bfin_bimode_comparison_operator): ... this.
254         (bfin_direct_comparison_operator): New.
255  
256         * config/cris/cris.c (cris_normal_notice_update_cc): Look
257         inside (compare FOO (const_int 0)).
258         (cris_rtx_costs): Handle ZERO_EXTRACT.
259         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
260         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
261         (*tstdi_v32): Delete.
262         (*cmpdi_non_v32): Add M alternative for operand 1.
263         (cmpsi, cmp<mode>): Make private.
264         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
265         with COMPARE.
266         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
267
268         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
269         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
270         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
271         (cc_reg_operand): New.
272         (any_cond): Delete.
273         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
274         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
275         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
276         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
277         crx_expand_scond): Delete.
278
279         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
280         (cbranchsi4): New.
281         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
282         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
283
284         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
285         cstoresi4, cstoresf4, cstoredf4): New.
286         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
287         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
288         Receive the entire operands array.
289         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
290         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
291         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
292         Get test/op0/op1 from the operands array.
293         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
294
295         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
296         (h8300_expand_store): New.
297         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
298         (const_int 0)).
299         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
300         (h8300_expand_store): New.
301         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
302         or do not try to produce (set (cc0) REG).
303         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
304         change a compare into a move to a scratch register.  Disable some
305         peepholes when comparing with zero.
306         (tstsi, tsthi, tstsi, cmpqi): Make private.
307         (cmphi): Delete.
308         (bCC, sCC): Delete.
309         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
310         cstoresi4): New.
311
312         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
313         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
314         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
315         (ix86_emit_i387_log1p): Use cbranchxf2.
316         (ix86_expand_setcc): Return void.
317         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
318         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
319         cmp<MODEF>, cmpcc): Remove.
320         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
321         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
322         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
323         (sCC and bCC expanders): Remove.
324         (stack_protect_test): Use cbranchcc4.
325
326         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
327         Delete.
328         (ia64_expand_compare): Accept three rtx by reference and return void.
329         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
330         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
331         from *expr.  Update *expr with the BImode comparison to do.
332         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
333         cmptf, bCC, sCC, conditional_trap): Delete.
334         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
335         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
336         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
337         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
338         * config/ia64/predicates.md (ia64_cbranch_operator): New.
339
340         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
341         type of last argument.
342         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
343         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
344         use machine mode argument instead of branch_type.  Remove dead
345         code for floating-point comparisons.
346         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
347         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
348         Remove.
349         (cbranchsi4, cstoresi4): New.
350         * config/iq2000/predicates.md (reg_or_const_operand): New.
351
352         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
353         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
354         (b<code>_op): Rewrite to...
355         (bcc_op): ... this, using match_operator.
356         (s<code>_op): Rewrite to...
357         (scc_op): ... this, using match_operator.
358         (s<code>_24_op): Rewrite to...
359         (scc_op_24): ... this, using match_operator.
360         (s<code>_<mode>): Rewrite to...
361         (cstore<mode>4): ... this, using match_operator.
362         (s<code>_<mode>_24): Rewrite to...
363         (cstore<mode>4_24): ... this, using match_operator.
364         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
365         m32c_unpend_compare, m32c_expand_scc): Delete.
366         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
367         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
368         (m32c_expand_movcc): Change NE to EQ if necessary.
369         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
370
371         * config/m32r/m32r-protos.h (gen_cond_store): New.
372         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
373         (gen_cond_store): New, from sCC patterns.
374         (m32r_expand_block_move): Use cbranchsi4.
375         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
376         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
377         (cbranchsi4, cstoresi4): New.
378         
379         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
380         Delete.
381         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
382         (m68hc11_notice_update_cc): Look into a compare with 0.
383         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
384         Delete.
385         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
386         cmphi, cmpqi, bCC): Delete.
387         (cbranchsi4, cbranchhi4, cbranchqi4): New.
388         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
389         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
390         sets with COMPARE.
391
392         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
393         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
394         * config/m68k/constraints.md (H): New.
395         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
396         the define_insn below.
397         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
398         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
399         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
400         patterns): Wrap RHS with COMPARE.
401         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
402         (*cmpdi_internal): Name this pattern.
403         (cmpdi): Change to define_insn.
404         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
405         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
406         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
407         predicate.
408         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
409         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
410         (conditional_trap): Change to...
411         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
412         (*conditional_trap): Use the ordered_comparison_operator and
413         const1_operand predicates.
414         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
415         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
416         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
417         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
418
419         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
420         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
421         (mcore_gen_compare): New. 
422         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
423         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
424         (mcore_gen_compare): ... this.
425         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
426         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
427         (stack probe pattern): Use cbranchsi4.
428
429         * config/mips/predicates.md (mips_cstore_operator): New.
430         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
431         * config/mips/mips.md (any_cond): Delete.
432         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
433         always succeed.
434         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
435         fixuns_truncsfdi2): Use cbranch patterns.
436         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
437         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
438         Adjust call to mips_expand_conditional_branch.
439         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
440         cstore<GPR:mode>4.
441         * config/mips/mips-protos.h (mips_expand_conditional_branch,
442         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
443         * config/mips/mips.c (cmp_operands): Delete.
444         (mips_emit_compare): Get comparison operands from *op0/*op1.
445         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
446         that it succeeds.  Use op0/op1 instead of cmp_operands.
447         (mips_expand_conditional_branch, mips_expand_conditional_move,
448         mips_expand_conditional_trap): Likewise.
449         (mips_block_move_loop): Use cbranch patterns. 
450         * config/mips/mips.h (cmp_operands): Delete.
451
452         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
453         (mmix_gen_compare_reg): Just return a register in the right CC mode.
454         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
455         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
456         (*cmpcc_folded): Rename to...
457         (*cmpdi_folded): this.
458         (*cmpcc): Rename to...
459         (*cmps): ... this.
460         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
461         (bCC): Remove.
462         (cbranchdi4): New.
463         (cbranchdf4): New.  Handle invalid comparisons here.
464         * config/mmix/predicates.md (float_comparison_operator): New.
465
466         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
467         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
468         * config/mn10300/mn10300.md (tst): Delete.
469         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
470         Name these patterns and wrap RHS in a compare.
471         (*cmpsi): Make this pattern private.  Include tst.
472         (*cmpsf): Make this pattern private.
473         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
474         (compare with zero peepholes): Likewise.
475         (bCC): Remove.
476         (cbranchsi4, cbranchsf4): New.
477         (casesi): Use cbranchsi4.
478
479         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
480         hppa_branch_type): Delete.
481         (return_addr_rtx): Use cbranchsi4.
482         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
483         Emit CCFPmode comparison here.
484         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
485         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
486         hppa_branch_type): Delete.
487         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
488         (movsicc, movdicc): Remove references to hppa_compare_op0,
489         hppa_compare_op1 and compare_from_rtx.
490         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
491         (casesi): Use cbranchsi4.
492
493         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
494         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
495         * config/pdp11/pdp11.md (register_or_const0_operand): New.
496         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
497         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
498         (bCC): Delete.
499         (cbranchdf4, cbranchhi4, cbranchqi4): New.
500         (*branch, *branch_inverted): New.
501
502         * config/picochip/picochip.md (cbranchhi4): Use
503         ordered_comparison_operator.
504         (cmphi, bCC): Remove.
505
506         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
507         (trap_comparison_operator): Delete.
508         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
509         rs6000_emit_cbranch): Accept mode and operands.
510         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
511         rs6000_compare_fp_p): Delete.   
512         (rs6000_generate_compare): Accept mode and comparison.  Extract code
513         and op0/op1 from there.  Replace references to rs6000_compare_op0
514         and rs6000_compare_op1.
515         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
516         extract result from passed operands.
517         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
518         extract loc from passed operands.
519         (rs6000_emit_cmove): Likewise.
520         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
521         rs6000_compare_fp_p): Delete.
522         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
523         (cbranch<GPR>4, cbranch<FP>4): New.
524         (cstore<mode>4): New.  Consolidate here all choices about when to use
525         portable or specialized sCC sequences.
526         (stack_protect_test): Use cbranchsi4.
527         (conditional_trap): Replace with ctrap<GPR>4.
528         (conditional trap insn): Replace trap_comparison_operator with
529         ordered_comparison_operator. 
530
531         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
532         (s390_emit_prologue): Use ctrap.
533         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
534         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
535         New predicates replacing...
536         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
537         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
538         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
539         (add<mode>cc): Do not use s390_compare_op0/op1.
540         (s<code>): Change to...
541         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
542         (seq): Change to...
543         (cstorecc4): ... this.  Handle EQ or NE equally.
544         (*sne): Un-privatize for use in cstorecc4.
545         (b<code>): Change to...
546         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
547         (conditional_trap): Replace with...
548         (ctrap<GPR>4, ctrap<FP>4): ... these.
549         (stack_protect): Use cbranchcc4.
550
551         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
552         * config/score/score-protos.h (score_gen_cmp): Delete.
553         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
554         (score_block_move-loop): Use cbranchsi4.
555         * config/score/score.md (cbranchsi4): New.
556         (cmpsi, bCC): Delete.
557         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
558         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
559         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
560         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
561         * config/score/score3.h (score3_gen_cmp): Delete.
562         * config/score/score7.h (score7_gen_cmp): Delete.
563
564         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
565         (sh_emit_scc_to_t): ... this.  Return void.
566         (from_compare): Rename to...
567         (sh_emit_compare_and_branch): ... this.
568         (sh_emit_compare_and_set): New.
569         (sh_expand_t_scc): Accept operands.
570         * config/sh/predicates.md (sh_float_comparison_operator): New.
571         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
572         (prepare_scc_operands): Rename to...
573         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
574         arguments.
575         (sh_emit_cheap_store_flag): New.
576         (sh_emit_set_t_insn): New.
577         (from_compare): Rename to...
578         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
579         handling of TARGET_SH2E floating point to avoid recursive call.
580         Generate branch here.
581         (sh_emit_compare_and_set): New.
582         (sh_expand_t_scc): Get op0/op1 from arguments.
583         (sh_emit_cheap_store_flag): New.
584         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
585         cases.
586         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
587         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
588         (movsicc, movdicc): Do nothing when it recreated operands from
589         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
590         prepare_scc_operands (now sh_emit_scc_to_t).
591         (udivdi3): Use cstoresi4.
592         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
593         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
594         (cbranchint4_media, cbranchfp4_media): New.
595         (casesi): Use cbranchdi4.
596         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
597         Delete.
598         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
599         (movnegt): Remove second operand.
600         (cbranchsf4, cbranchdf4): New.
601         (stack_protect): Use cbranchdi4/cbranchsi4.
602
603         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
604         (gen_compare_reg): Accept comparison, extract part of it to...
605         (gen_compare_reg_1): ... this. 
606         (gen_compare_operator): Delete.
607         (gen_v9_scc): Accept separate destination, comparison code and arms.
608         Do not use sparc_compare_op0/sparc_compare_op1.
609         (emit_scc_insn, emit_conditional_branch_insn): New.
610         (emit_v9_brxx): Make static.  Remove useless assertion.
611         (sparc_emit_float_lib_cmp): Return RTL instead of calling
612         emit_cmp_insn.
613         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
614         * config/sparc/sparc-protos.h (gen_compare_reg,
615         sparc_emit_float_lib_cmp): Adjust prototype.
616         (emit_scc_insn, emit_conditional_branch_insn): New.
617         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
618         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
619         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
620         iterators to the top.
621         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
622         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
623         snedi_special_trunc): Delete.
624         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
625         and snedi_special_trunc.
626         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
627         cbranchdi4, cbranch<F:mode>4): New.
628         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
629         here.  Use gen_compare_reg instead of gen_compare_operator.
630         (conditional_trap): Replace with...
631         (ctrapsi4, ctrapdi4): ... this.
632         (stack_protect_test): Use cbranchcc4.
633
634         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
635         argument to rtx.
636         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
637         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
638         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
639         from operands[0] or operands[3] depending on is_set.
640         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
641         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
642         cmpdf, bCC), sCC: Remove.
643         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
644         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
645         cstoredf4): New.
646         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
647         spu_emit_branch_or_set.
648
649         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
650         Add two arguments.
651         * config/stormy16/stormy16.h (xstormy16_compare_op0,
652         xstormy16_compare_op1): Delete.
653         * config/stormy16/stormy16.c (xstormy16_compare_op0,
654         xstormy16_compare_op1): Delete. 
655         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
656         Adjust calls.
657         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
658         (cmphi, cmpsi, bCC): Remove.
659
660         * config/v850/v850.md (tstsi, cmpsi): Fold into...
661         (*cmpsi): ... this one.
662         (cbranchsi4, cstoresi4): New.
663         (bCC expanders): Delete.
664         (sCC insns): Fold into...
665         (*setcc): ... this one.
666         (casesi): Do not use gen_cmpsi and gen_bgtu. 
667         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
668         (movsicc): Simplify.
669         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
670
671         * config/vax/vax-protos.h (cond_name): New.
672         (vax_output_conditional_branch): Remove.
673         * config/vax/vax.c (cond_name): New.
674         (vax_output_conditional_branch): Remove.
675         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
676         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
677         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
678         (bit<VAXint>): Wrap source with (compare).
679         (b<code> and following unnamed pattern): Rename to *branch and
680         *branch_reversed.  Change macroization to match_operator.
681         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
682
683         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
684         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
685         Change last argument to machine_mode.
686         (xtensa_expand_scc): Add machine_mode argument.
687         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
688         (gen_conditional_move, xtensa_expand_conditional_branch,
689         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
690         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
691         Adjust operand numbers.
692         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
693         Delete.
694         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
695         (cmpsi, cmpsf, b<code>, s<code>): Delete.
696         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
697
698 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
699
700         * optabs.c (prepare_cmp_insn): Temporarily disable test that
701         causes spurious differences between trunk and cond-optab branch.
702
703 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
704
705         PR target/37137
706         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
707
708 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
709
710         * tree.c (iterative_hash_pointer): Delete.
711         (iterative_hash_expr): Short-circuit handling of NULL pointer.
712         Hash UIDs and versions of SSA names.  Don't special-case built-in
713         function declarations.
714
715 2009-05-11  Ian Lance Taylor  <iant@google.com>
716
717         PR bootstrap/40103
718         * graphite.c: Force -Wc++-compat to only be a warning before
719         #including "cloog/cloog.h".
720
721 2009-05-11  Martin Jambor  <mjambor@suse.cz>
722
723         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
724         
725 2009-05-11  Jan Hubicka  <jh@suse.cz>
726
727         * tree-ssa-loop-ivcanon.c: Include target.h
728         (struct loop_size): new structure.
729         (constant_after_peeling): New predicate.
730         (tree_estimate_loop_size): New function.
731         (estimated_unrolled_size): Rewrite for new estimates.
732         (try_unroll_loop_completely): Use new estimates.
733         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
734
735 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
736
737         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
738         libcpp interface change.
739         (spu_macro_to_expand): Likewise.
740
741 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
742
743         PR tree-optimization/40026
744         * gimplify.c (gimplify_init_constructor): Change initial conditional
745         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
746         optimize_compound_literals_in_ctor.
747
748 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
749
750         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
751         New devices.
752         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
753
754 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
755
756         * tree-vect-data-refs.c (vect_analyze_group_access): Use
757         HOST_WIDE_INT for gap.
758
759 2009-05-11  Ira Rosen  <irar@il.ibm.com>
760
761         PR tree-optimization/40074
762         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
763         account in group size and step comparison.
764
765 2009-05-11  Richard Guenther  <rguenther@suse.de>
766
767         * passes.c (init_optimization_passes): Strip now incorrect comment.
768         (execute_function_todo): Do not set PROP_alias.
769         * tree-pass.h (PROP_alias): Remove.
770         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
771         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
772         * tree-nrv.c (pass_return_slot): Likewise.
773         * tree-object-size.c (pass_object_sizes): Likewise.
774         * tree-ssa-dom.c (pass_dominator): Likewise.
775         (pass_phi_only_cprop): Likewise.
776         * tree-ssa-dse.c (pass_dse): Likewise.
777         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
778         (pass_cselim): Likewise.
779         * tree-ssa-pre.c (pass_pre): Likewise.
780         (pass_fre): Likewise.
781         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
782         * tree-ssa-sink.c (pass_sink_code): Likewise.
783         * tree-stdarg.c (pass_stdarg): Likewise.
784         * tree-tailcall.c (pass_tail_calls): Likewise.
785         * tree-vrp.c (pass_vrp): Likewise.
786
787 2009-05-10  Ian Lance Taylor  <iant@google.com>
788
789         * basic-block.h (enum profile_status): Break out of struct
790         control_flow_graph.
791         * cgraph.h (struct inline_summary): Break out of struct
792         cgraph_local_info.
793         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
794         of struct cgraph_order_sort.
795         * combine.c (enum undo_kind): New enum, broken out of struct undo.
796         * cse.c (struct branch_path): Break out of struct
797         cse_basic_block_data.
798         * except.h (enum eh_region_type): Break out of struct eh_region.
799         * gcc.c (enum add_del): Break out of struct modify_target.
800         * genrecog.c (enum decision_type): Break out of struct decision_test.
801         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
802         ggc_pch_data.
803         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
804         * regmove.c (enum match_use): New enum, broken out of struct match.
805         * sched-int.h (enum post_call_group): New enum, broken out of
806         struct deps.
807         (struct deps_reg): Break out of struct deps.
808         * target.h (struct asm_int_op): Break out of struct gcc_target.
809         * tree-eh.c (struct goto_queue_node): Break out of struct
810         leh_tf_state.
811         * tree-inline.h (enum copy_body_cge_which): Break out of
812         copy_body_data.
813         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
814
815         * c-decl.c (in_struct, struct_types): New static variables.
816         (pushtag): Add loc parameter.  Change all callers.
817         (lookup_tag): Add ploc parameter.  Change all callers.
818         (check_compound_literal_type): New function.
819         (parser_xref_tag): Add loc parameter.  Change all callers.  If
820         -Wc++-compat, warn about struct/union/enum types defined within a
821         struct or union.
822         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
823         and loc parameters.  Change all callers.  Change error calls to
824         error_at, using loc.  For a redefinition, if the location of the
825         original definition is known, report it.  Set in_struct and
826         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
827         (finish_struct): Add new parameters enclosing_in_struct and
828         enclosing_struct_types.  Change all callers.  Set
829         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
830         in the struct.  If in a struct, add this struct to struct_types.
831         (start_enum): Add loc parameter.  Change all callers.  Use
832         error_at for errors, using loc.  For a redefinition, if the
833         location of the original definition is known, report it.  If in a
834         struct, add this enum type to struct_types.  If -Wc++-compat warn
835         if in sizeof, typeof, or alignof.
836         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
837         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
838         (c_parser_enum_specifier): Get enum location for start_enum.
839         (c_parser_struct_or_union_specifier): Get struct location for
840         start_struct.  Save in_struct and struct_types status between
841         start_struct and finish_struct.
842         (c_parser_cast_expression): Get location of cast.
843         (c_parser_alignof_expression): Get location of type.
844         (c_parser_postfix_expression): Likewise.
845         (c_parser_postfix_expression_after_paren_type): Add type_loc
846         parameter.  Change all callers.  Call check_compound_literal_type.
847         Use type_loc for error about variable size type.
848         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
849         of an enum constant from an enum type defined in a struct or union.
850         (c_cast_expr): Add loc parameter.  Change all callers.  If
851         -Wc++-compat, warn about defining a type in a cast.
852         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
853         (start_enum, start_struct, finish_struct): Update declarations.
854         (parser_xref_tag, c_cast_expr): Update declarations.
855         (check_compound_literal_type): Declare.
856
857 2009-05-11  Ben Elliston  <bje@au.ibm.com>
858
859         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
860         for recent libcpp interface change.
861         (rs6000_macro_to_expand): Likewise.
862
863 2009-05-10  Michael Matz  <matz@suse.de>
864
865         PR target/40031
866         * config/arm/arm.c (require_pic_register): Emit on entry edge,
867         not at entry of function.
868
869 2009-05-10  Richard Guenther  <rguenther@suse.de>
870
871         PR tree-optimization/40081
872         Revert
873         * tree-sra.c (instantiate_element): Instantiate scalar replacements
874         using the main variant of the element type.  Do not fiddle with
875         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
876
877         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
878         structs with volatile fields.
879
880 2009-05-10  Jan Hubicka  <jh@suse.cz>
881
882         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
883         (estimate_move_cost): Assert that it does not get called for
884         VOID_TYPE_P.
885         (estimate_num_insns): Skip VOID types in argument handling.
886         (optimize_inline_calls): Delete unreachable blocks and verify that
887         callgraph is valid.
888
889 2009-05-10  Jan Hubicka  <jh@suse.cz>
890
891         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
892         * cgraph.c (cgraph_mark_address_taken_node): New function.
893         (dump_cgraph_node): Dump new flag.
894         * cgraph.h (struct cgraph_node): Add address_taken.
895         (cgraph_mark_address_taken_node): New function.
896         * ipa.c (cgraph_postorder): Prioritize functions with address taken
897         since new direct calls can be born.
898
899 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
900
901         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
902         tok->val.node.node.
903
904 2009-05-10  Jan Hubicka  <jh@suse.cz>
905
906         PR middle-end/40084
907         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
908         argument; rewrite.
909         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
910         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
911         * tree-inline.c (copy_bb): Set frequency correctly.
912         (fold_marked_statements): Update call to
913         cgraph_update_edges_for_call_stmt.
914
915 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
916
917         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
918         identifiers in diagnostics.
919         * config/arm/arm.c (arm_handle_fndecl_attribute,
920         arm_handle_isr_attribute): Likewise.
921         * config/avr/avr.c (avr_handle_progmem_attribute,
922         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
923         Likewise.
924         * config/bfin/bfin.c (handle_int_attribute,
925         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
926         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
927         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
928         Likewise.
929         * config/darwin.c (darwin_handle_kext_attribute,
930         darwin_handle_weak_import_attribute): Likewise.
931         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
932         h8300_handle_eightbit_data_attribute,
933         h8300_handle_tiny_data_attribute): Likewise.
934         * config/i386/i386.c (ix86_handle_cconv_attribute,
935         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
936         Likewise.
937         * config/i386/winnt.c (ix86_handle_shared_attribute,
938         ix86_handle_selectany_attribute): Likewise.
939         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
940         * config/m32c/m32c.c (function_vector_handler): Likewise.
941         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
942         m68hc11_handle_fntype_attribute): Likewise.
943         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
944         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
945         * config/mips/mips.c (mips_insert_attributes,
946         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
947         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
948         rs6000_handle_struct_attribute): Likewise.
949         * config/sh/sh.c (sh_insert_attributes,
950         sh_handle_resbank_handler_attribute,
951         sh_handle_interrupt_handler_attribute,
952         sh2a_handle_function_vector_handler_attribute,
953         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
954         Likewise.
955         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
956         * config/spu/spu.c (spu_handle_fndecl_attribute,
957         spu_handle_vector_attribute): Likewise.
958         * config/stormy16/stormy16.c
959         (xstormy16_handle_interrupt_attribute): Likewise.
960         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
961         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
962
963 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
964
965         * pretty-print.h (struct pretty_print_info): Add
966         translate_identifiers.
967         (pp_translate_identifiers): New.
968         (pp_identifier): Only conditionally translate identifier to locale
969         character set.
970         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
971         (pp_base_tree_identifier): Only conditionally translate identifier
972         to locale character set.
973         * c-pretty-print.c (M_): Define.
974         (pp_c_type_specifier, pp_c_primary_expression): Mark English
975         fragments for conditional translation with M_.
976         * tree-pretty-print.c (maybe_init_pretty_print): Disable
977         identifier translation.
978
979 2009-05-10  Richard Guenther  <rguenther@suse.de>
980
981         PR tree-optimization/40081
982         * tree-sra.c (instantiate_element): Instantiate scalar replacements
983         using the main variant of the element type.  Do not fiddle with
984         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
985
986 2009-05-09  Jan Hubicka  <jh@suse.cz>
987
988         PR middle-end/40080
989         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
990         indirect calls; verify cgraph afterwards.
991
992 2009-05-09  Jan Hubicka  <jh@suse.cz>
993
994         PR bootstrap/40082
995         * ipa.c (update_inlined_to_pointer): New function.
996         (cgraph_remove_unreachable_nodes): Use it.
997
998 2009-05-09  Jan Hubicka  <jh@suse.cz>
999
1000         * tree-eh.c (struct leh_state): Remove prev_try.
1001         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1002         not track prev_try.
1003         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1004         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1005         remove_eh_handler_and_replace, foreach_reachable_handler,
1006         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1007         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1008         (gen_eh_region_cleanup): Update prototype.
1009
1010 2009-05-09  Jan Hubicka  <jh@suse.cz>
1011
1012         PR middle-end/40043
1013         * except.c (copy_eh_region): Always set prev_try.
1014         (redirect_eh_edge_to_label): Find outer try.
1015         (foreach_reachable_handler): When looking for prev try
1016         handle case where previous try is not going to be taken.
1017
1018 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1019
1020         PR tree-optimization/40049
1021         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1022         only vector/vector shifts, convert the type of the constant to the
1023         appropriate type to avoid building incorrect trees, which
1024         eventually have problems with garbage collection.
1025
1026 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1027
1028         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1029         -1 for complex floating-point types if honoring signed zeros.
1030
1031 2009-05-08  Jan Hubicka  <jh@suse.cz>
1032
1033         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1034         argument; handle correctly when profile is absent.
1035         (build_cgraph_edges): Update.
1036         (rebuild_cgraph_edges): Update.
1037         * cgraph.c: Do not include varray.h.
1038         (cgraph_set_call_stmt_including_clones): New function.
1039         (cgraph_create_edge_including_clones): Likewise
1040         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1041         (cgraph_update_edges_for_call_stmt): Handle clones.
1042         (cgraph_remove_node): Handle clone tree.
1043         (cgraph_remove_node_and_inline_clones): New function.
1044         (dump_cgraph_node): Dump clone tree.
1045         (cgraph_clone_node): Handle clone tree.
1046         (clone_function_name): Bring here from tree-inline.c.
1047         (cgraph_create_virtual_clone): New function.
1048         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1049         (cgraph_clone_info): New function.
1050         (strut cgraph_node): Add clone_info and new clone tree pointers.
1051         (cgraph_remove_node_and_inline_clones,
1052         cgraph_set_call_stmt_including_clones,
1053         cgraph_create_edge_including_clones,
1054         cgraph_create_virtual_clone): Declare.
1055         (cgraph_function_versioning): Use VEC argument.
1056         (compute_call_stmt_bb_frequency): Update prototype.
1057         (cgraph_materialize_all_clones): New function.
1058         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1059         (ipcp_create_replace_map): Update to VECtors.
1060         (ipcp_update_callgraph): Use virtual clones.
1061         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1062         (ipcp_update_profiling): Do not update local profiling.
1063         (ipcp_insert_stage): Use VECtors and virtual clones.
1064         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1065         (clone_of_p): New function.
1066         (cgraph_preserve_function_body_p): Use clone tree.
1067         (cgraph_optimize): Materialize clones.
1068         (cgraph_function_versioning): Update for VECtors.
1069         (save_inline_function_body): Use clone tree.
1070         (cgraph_materialize_clone): New function.
1071         (cgraph_materialize_all_clones): Likewise.
1072         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1073         * ipa.c: Include gimple.h.
1074         (cgraph_remove_unreachable_nodes): Use clone tree.
1075         * ipa-prop.c (ipa_note_param_call): Update call to
1076         compute_call_stmt_bb_frequencycall.
1077         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1078         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1079         (copy_bb): Handle updating of clone tree; add new edge when new call
1080         appears.
1081         (expand_call_inline): Be strict about every call having edge.
1082         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1083         (delete_unreachable_blocks_update_callgraph): New function.
1084         (tree_function_versioning): Use VECtors; always remove unreachable
1085         blocks and fold conditionals.
1086         * tree-inline.h: Do not include varray.h.
1087         (tree_function_versioning): Remove.
1088         * Makefile.in (GTFILES): Remove tree-inline.c
1089         * passes.c (do_per_function): Do only functions having body.
1090         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1091         tree.
1092
1093 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1094             Andrew Morrow  <acm@google.com>
1095
1096         PR c/36892
1097         * c-common.c (c_common_attribute_table): Permit deprecated
1098         attribute to take an optional argument.
1099         (handle_deprecated_attribute): If the optional argument to
1100         __attribute__((deprecated)) is not a string ignore the attribute
1101         and emit a warning.
1102
1103         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1104         * c-typeck.c (build_component_ref): Likewise.
1105         (build_external_ref): Likewise.
1106
1107         * toplev.c (warn_deprecated_use): Add an attribute argument.
1108         Emit the message associated with __attribute__((deprecated)).
1109
1110         * toplev.h (warn_deprecated_use): Updated.
1111
1112         * doc/extend.texi: Document new optional parameter to
1113         __attribute__((deprecated))
1114
1115 2009-05-08  Michael Eager <eager@eagercon.com>
1116
1117         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1118         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1119
1120 2009-05-08  Richard Guenther  <rguenther@suse.de>
1121
1122         PR tree-optimization/40062
1123         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1124         Avoid exponential behavior.
1125
1126 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1127
1128         PR rtl-optimization/33928
1129         PR 26854
1130         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1131         process_uses, build_single_def_use_links): New.
1132         (update_df): Update use_def_ref.
1133         (forward_propagate_into): Use get_def_for_use instead of use-def
1134         chains.
1135         (fwprop_init): Call build_single_def_use_links and let it initialize
1136         dataflow.
1137         (fwprop_done): Free use_def_ref.
1138         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1139         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1140         df_rd_simulate_one_insn): New.
1141         (df_rd_bb_local_compute_process_def): Update head comment.
1142         (df_chain_create_bb): Use the new RD simulation functions.
1143         * df.h (df_rd_simulate_artificial_defs_at_top, 
1144         df_rd_simulate_one_insn): New.
1145         * opts.c (decode_options): Enable fwprop at -O1.
1146         * doc/invoke.texi (-fforward-propagate): Document this.
1147
1148 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1149
1150         PR c/24581
1151         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1152         and one complex operand specially.
1153         * tree-complex.c (some_nonzerop): Do not identify a real value as
1154         zero if flag_signed_zeros.
1155
1156 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1157
1158         PR rtl-optimization/33928
1159         * loop-invariant.c (record_use): Fix && vs. || mishap.
1160
1161 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1162
1163         PR rtl-optimization/33928
1164         * loop-invariant.c (struct use): Add addr_use_p.
1165         (struct def): Add n_addr_uses.
1166         (struct invariant): Add cheap_address.
1167         (create_new_invariant): Set cheap_address.
1168         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1169         (record_uses): Pass df_ref to record_use.
1170         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1171         used only as such.
1172
1173 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1174
1175         * config/sh/sh.c: Do not include c-pragma.h.
1176
1177 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1178
1179         * config/spu/spu.c: Remove include of c-common.h.
1180
1181 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1182
1183         PR c/39037
1184         * c-common.h (mark_valid_location_for_stdc_pragma,
1185         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1186         clear_float_const_decimal64, float_const_decimal64_p): New.
1187         * c.opt (Wunsuffixed-float-constants): New.
1188         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1189         unsuffixed float constant, handle new warning.
1190         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1191         * c-decl.c (c_scope): New flag float_const_decimal64.
1192         (set_float_const_decimal64, clear_float_const_decimal64,
1193         float_const_decimal64_p): New.
1194         (push_scope): Set new flag.
1195         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1196         to use STDC pragmas.
1197         (c_parser_external_declaration): Ditto.
1198         (c_parser_compound_statement_nostart): Ditto.
1199         * c-pragma.c (valid_location_for_stdc_pragma,
1200         mark_valid_location_for_stdc_pragma,
1201         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1202         handle_pragma_float_const_decimal64): New.
1203         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1204         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1205         set_float_const_decimal64, clear_float_const_decimal64,
1206         float_const_decimal64_p): New dummy functions.
1207         * doc/extend.texi (Decimal Float): Remove statement that the
1208         pragma, and suffix for double constants, are not supported.
1209         * doc/invoke.texi (Warning Options): List new option.
1210         (-Wunsuffixed-float-constants): New.
1211
1212 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1213
1214         * config/i386/i386.c: Do not include c-common.h.
1215
1216 2009-05-07  Mark Heffernan  <meheff@google.com>
1217
1218         * doc/invoke.texi (Debugging Options): Document change of debugging
1219         dump location.
1220         * opts.c (decode_options): Make dump_base_name relative to
1221         aux_base_name directory.
1222
1223 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1224
1225         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1226         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1227
1228 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1229
1230         * Makefile.in (install-plugin): Simplify a bit.
1231
1232 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1233
1234         * Makefile.in (OBJS-common): Add regcprop.o.
1235         (regcprop.o): New.
1236         * timevar.def (TV_CPROP_REGISTERS): New.
1237         * regrename.c (regrename_optimize): Return 0.
1238         (rest_of_handle_regrename): Delete.
1239         (pass_rename_registers): Point to regrename_optimize.
1240         (struct value_data_entry, struct value_data, 
1241         kill_value_one_regno, kill_value_regno, kill_value,
1242         set_value_regno, init_value_data, kill_clobbered_value,
1243         kill_set_value, kill_autoinc_value, copy_value,
1244         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1245         replace_oldest_value_reg, replace_oldest_value_addr,
1246         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1247         debug_value_data, validate_value_data): Move...
1248         * regcprop.c: ... here.
1249         (rest_of_handle_cprop): Delete.
1250         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1251
1252 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1253
1254         PR middle-end/40057
1255         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1256         GEN_INT for 1 << bitnum.
1257         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1258         build_int_cst_type.
1259
1260 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1261
1262         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1263         Remove wrong description of "nand" operation.
1264
1265 2009-05-06  Richard Guenther  <rguenther@suse.de>
1266             Adam Nemet  <anemet@caviumnetworks.com>
1267
1268         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1269         comment.  Add that if LHS is not a gimple register, then RHS1 has
1270         to be a single object (GIMPLE_SINGLE_RHS).
1271
1272 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1273
1274         * expr.c (get_def_for_expr): Move it up in the file.
1275         (store_field): When expanding a bit-field store, look at the
1276         defining gimple stmt for the masking conversion.
1277
1278 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1279
1280         PR middle-end/39986
1281         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1282         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1283         32-bit memcpy into long.
1284
1285 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1286
1287         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1288         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1289         new_reg_loc_descr.
1290         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1291         instead of appending DW_OP_deref*.
1292
1293 2009-05-06  Michael Matz  <matz@suse.de>
1294
1295         PR middle-end/40021
1296         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1297         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1298
1299 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1300
1301         * Makefile.in (install-plugin): Fix srcdir handling.
1302
1303 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1304
1305         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1306         when processing for not_regs_needed bitmap.
1307         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1308         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1309         handling it for rhs. 
1310
1311 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1312
1313         * config/i386/i386.md (unnamed inc/dec peephole): Use
1314         optimize_insn_for_size_p instead of optimize_size.
1315         * config/i386/predicates.md (incdec_operand): Likewise.
1316         (aligned_operand): Likewise.
1317         * config/i386/sse.md (divv8sf3): Likewise.
1318         (sqrtv8sf2): Likewise.
1319
1320 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1321
1322         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1323
1324         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1325
1326 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1327
1328         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1329         ssemodesuffixf2c with avxmodesuffixf2c.
1330
1331 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1332
1333         PR c/40032
1334         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1335
1336 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1337
1338         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1339         (struct tree_base): Adjust spacing for 8 bit boundaries.
1340         (struct tree_decl_common): Add decl_by_reference_flag bit.
1341         (DECL_BY_REFERENCE): Adjust.
1342         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1343         print DECL_BY_REFERENCE bit.
1344         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1345         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1346         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1347         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1348         unconditionally.
1349
1350         PR middle-end/39666
1351         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1352         range of the type, but default label is missing, add it with one
1353         of the existing labels instead of adding a new label for it.
1354
1355 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1356
1357         * dwarf.h: Remove.
1358
1359 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1360
1361         * Makefile.in (enable_plugin, plugin_includedir): New.
1362         (install): Depend on install-plugin.
1363         (PLUGIN_HEADERS): New.
1364         (install-plugin): New.
1365         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1366
1367 2009-05-05  Richard Guenther  <rguenther@suse.de>
1368
1369         PR tree-optimization/40022
1370         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1371         the only vuse.
1372         (phivn_valid_p): Fix tuplification error, simplify.
1373         (phiprop_insert_phi): Add dumps.
1374         (propagate_with_phi): Simplify.
1375
1376 2009-05-05  Richard Guenther  <rguenther@suse.de>
1377
1378         PR middle-end/40023
1379         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1380
1381 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1382
1383         * tree.h (strip_float_extensions): Remove duplicate declaration.
1384         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1385         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1386         block_ultimate_origin): Rearrange the declarations line to match the
1387         comment that indicates the .c file which the functions are defined.
1388         (dwarf2out_*, set_decl_rtl): Add comment.
1389         (get_base_address): Adjust comment.
1390         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1391         declarations line and add comment.
1392         (is_builtin_name): Add blank after function name, for clarity.
1393
1394 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1395
1396         * attribs.c (decl_attributes): Use %qE for identifiers in
1397         diagnostics.
1398         * cgraphunit.c (verify_cgraph_node): Translate function names to
1399         locale character set in diagnostics.
1400         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1401         diagnostics.
1402         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1403         Document that functions are named in UTF-8.
1404         * expr.c (expand_expr_real_1): Translate function names to locale
1405         character set in diagnostics.
1406         * gimplify.c (omp_notice_variable, omp_is_private,
1407         gimplify_scan_omp_clauses): Use %qE for identifiers in
1408         diagnostics.
1409         * langhooks.c (lhd_print_error_function): Translate function names
1410         to locale character set.
1411         * langhooks.h (decl_printable_name): Document that return value is
1412         in internal character set.
1413         * stmt.c: Include pretty-print.h
1414         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1415         diagnostics.
1416         (resolve_operand_name_1): Translate named operand name to locale
1417         character set.
1418         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1419         diagnostics.
1420         * toplev.c (announce_function): Translate function names to locale
1421         character set.
1422         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1423         (default_tree_printer): Use pp_identifier or translate identifiers
1424         to locale character set.  Mark "<anonymous>" for translation.
1425         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1426         for identifiers in diagnostics.
1427         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1428         diagnostics.
1429         * varasm.c (output_constructor): Use %qE for identifiers in
1430         diagnostics.
1431
1432 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1433
1434         * configure.ac: use ` ` instead of $()
1435         * configure: Regenerate.
1436
1437 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1438
1439         * config/pa/linux-atomic.c: Eliminate conditional include of
1440         errno.h on non-LP64 systems to simplify build requirements.
1441
1442 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1443
1444         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1445         diagnostics.
1446         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1447         and pass value to identifier_to_locale.
1448         (warn_variable_length_array): Make name a tree.
1449         (grokdeclarator): Separate diagnostic texts for named and unnamed
1450         declarators.  Use %qE for named declarators.
1451         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1452         diagnostics.
1453         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1454         identifiers in diagnostics.
1455         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1456         identifier_to_locale.  Mark "anonymous" strings for translation.
1457
1458 2009-05-04  Michael Eager <eager@eagercon.com>
1459
1460         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1461         address for DImode/DFmode only if double-precision FP regs.
1462
1463 2009-05-04  Michael Eager <eager@eagercon.com>
1464
1465         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1466         TARGET_SINGLE_FLOAT check.
1467
1468 2009-05-04  Michael Eager <eager@eagercon.com>
1469
1470         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1471
1472 2009-05-04  Michael Eager <eager@eagercon.com>
1473
1474         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1475         * config/rs6000/t-xilinx: New
1476
1477 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1478
1479         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1480         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1481         * gcc/explow.c (memory_address): Use target hook.
1482         * gcc/targhooks.c (default_legitimize_address): New.
1483         * gcc/targhooks.h (default_legitimize_address): New.
1484         * gcc/target.h (legitimize_address): New.
1485         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1486         (TARGET_INITIALIZER): Include it.
1487         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1488
1489         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1490         * config/bfin/bfin.c (legitimize_address): Remove.
1491         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1492         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1493         Remove.
1494         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1495         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1496
1497         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1498         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1499         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1500         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1501         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1502         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1503         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1504         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1505         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1506         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1507         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1508         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1509         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1510         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1511         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1512         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1513         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1514         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1515         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1516         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1517         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1518         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1519         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1520
1521         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1522         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1523         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1524         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1525         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1526         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1527         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1528         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1529         (thumb_legitimize_address): Delete.
1530         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1531         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1532         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1533         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1534         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1535         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1536         Delete.
1537         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1538         Delete.
1539
1540         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1541         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1542         * config/m32r/m32r.c (m32r_legitimize_address): New.
1543         * config/m68k/m68k.c (m68k_legitimize_address): New.
1544         * config/score/score.c (score_legitimize_address): Standardize.
1545         * config/score/score3.c (score3_legitimize_address): Standardize.
1546         * config/score/score3.h (score3_legitimize_address): Adjust.
1547         * config/score/score7.c (score7_legitimize_address): Standardize.
1548         * config/score/score7.h (score7_legitimize_address): Adjust.
1549         * config/sh/sh.c (sh_legitimize_address): New.
1550         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1551
1552         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1553         (s390_legitimize_address): ... this.
1554         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1555         (sparc_legitimize_address): ... this.
1556         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1557         (ix86_legitimize_address): ... this.
1558         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1559         (avr_legitimize_address): ... this.
1560         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1561         (mn10300_legitimize_address): ... this.
1562         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1563         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1564         (alpha_expand_mov): Adjust call.
1565
1566         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1567         * config/spu/spu.c (spu_legitimize_address): Likewise.
1568         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1569         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1570
1571 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1572
1573         * intl.c (locale_encoding, locale_utf8): New.
1574         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1575         * intl.h (locale_encoding, locale_utf8): Declare.
1576         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1577         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1578         New.
1579         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1580         argument.
1581         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1582         (pp_base_tree_identifier): Declare as function.
1583         (identifier_to_locale): Declare.
1584         * Makefile.in (pretty-print.o): Update dependencies.
1585         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1586
1587 2009-05-04  Richard Guenther  <rguenther@suse.de>
1588
1589         PR middle-end/40015
1590         * builtins.c (fold_builtin_memory_op): Do not decay to element
1591         type if the size matches the whole array.
1592
1593 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1594
1595         * expmed.c (synth_mult): When trying out a shift, pass the result
1596         of a signed shift.
1597
1598 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1599
1600         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1601         (shiftsub1_cost): New.
1602         (init_expmed): Compute shiftsub1_cost.
1603         (synth_mult): Optimize multiplications by constants of the form
1604         -(2^^m-1) for some constant positive integer m.
1605
1606 2009-05-03  Richard Guenther  <rguenther@suse.de>
1607
1608         PR c/39983
1609         * c-typeck.c (array_to_pointer_conversion): Do not built
1610         ADDR_EXPRs of arrays of pointer-to-element type.
1611         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1612         up wrong ADDR_EXPRs after-the-fact.
1613         * c-common.c (strict_aliasing_warning): Strip pointer
1614         conversions for obtaining the original type.
1615         * builtins.c (fold_builtin_memset): Handle array types.
1616         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1617         and array types
1618
1619 2009-05-03  Richard Guenther  <rguenther@suse.de>
1620
1621         PR middle-end/23329
1622         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1623         Do not lose casts from array types with unknown extent to array
1624         types with known extent.
1625         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1626         alias set compatibility.
1627
1628 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1629
1630         * flags.h (extra_warnings): Delete.
1631         * toplev.c (process_options): Handle Wuninitialized here.
1632         * opts.c (extra_warnings): Delete.
1633         (set_Wextra): Delete.
1634         (common_handle_option): -Wextra can be handled automatically.
1635         * c-opts.c (c_common_handle_option): Delete obsolete code.
1636         (c_common_post_options): Simplify comment.
1637         * common.opt (W): Add Var.
1638         (Wextra): Add Var.
1639         (Wuninitialized): Initialize to -1.
1640
1641 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1642             Richard Guenther  <rguenther@suse.de>
1643
1644         * expr.c (get_def_for_expr): New function.
1645         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1646         SSA rather than trees.
1647         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1648         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1649         
1650 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1651
1652         * c-common.c (reswords): Add _Imaginary.
1653         * c-common.c (enum rid): Add RID_IMAGINARY.
1654
1655 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1656
1657         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1658         Patch by Richard Guenther.
1659
1660 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1661
1662         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1663         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1664         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1665         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1666         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1667         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1668         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1669         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1670         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1671         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1672         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1673         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1674         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1675         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1676         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1677         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1678         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1679         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1680
1681 2009-05-02  Richard Guenther  <rguenther@suse.de>
1682
1683         PR tree-optimization/39940
1684         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1685         doing so.
1686
1687 2009-05-02  Richard Guenther  <rguenther@suse.de>
1688
1689         PR middle-end/40001
1690         * tree-ssa.c (execute_update_addresses_taken): Properly check
1691         if we can mark a variable DECL_GIMPLE_REG_P.
1692         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1693         back to the end of the function.
1694         (is_gimple_reg_type): Remove complex type special casing.
1695         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1696         if not optimizing.
1697
1698 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1699
1700         * doc/collect2.texi (Collect2): Document search path behaviour
1701         when configured with --with-ld.
1702
1703 2009-05-02  Jan Hubicka  <jh@suse.cz>
1704
1705         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1706         parameter; update callers.
1707         (coalesce_cost_edge): EH edges are costier because they needs
1708         splitting even if not critical and even more costier when there are
1709         multiple EH predecestors.
1710
1711 2009-05-02  Jan Hubicka  <jh@suse.cz>
1712
1713         * except.c (remove_eh_handler_and_replace): Handle updating after
1714         removing TRY blocks.
1715
1716 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1717
1718         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1719
1720 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1721
1722         * varasm.c: Do not include c-pragma.h.
1723         * attribs.c: Do not incude c-common.h.
1724
1725 2009-05-01  Michael Matz  <matz@suse.de>
1726
1727         * calls.c (initialize_argument_information): Handle SSA names like
1728         decls with a non MEM_P DECL_RTL.
1729
1730 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1731
1732         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1733         * ipa-utils.c: Likewise.
1734         * ipa-type-escape.c: Likewise.
1735         * cgraphunit.c Do not include c-common.h.
1736         * ipa-pure-const.c: Likewise.
1737         * tree-if-conv.c: Likewise.
1738         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1739         * ipa-struct-reorg.c: Likewise.
1740         * tree-nomudflap.c: Likewise.
1741         * tree-ssa-structalias.c: Likewise.
1742
1743 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1744
1745         * store-motion.c: Many cleanups to make this pass a first-class
1746         citizen instead of an appendix to gcse load motion.  Add TODO list
1747         to make this pass faster/cleaner/better.
1748
1749         (struct ls_expr): Post gcse.c-split cleanups.
1750         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1751         "stores" field to "avail_stores".
1752         (pre_ldst_mems): Rename to store_motion_mems.
1753         (pre_ldst_table): Rename to store_motion_mems_table.
1754         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1755         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1756         (ldst_entry): Rename to st_expr_entry, update users.
1757         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1758         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1759         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1760         update caller.
1761         (first_ls_expr): Rename to first_st_expr, update users.
1762         (next_ls_expr): Rename to next_st_expr, update users.
1763         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1764         fields properly for store motion instead of names inherited from load
1765         motion in gcse.c.
1766         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1767         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1768         are done with it.
1769
1770         (ae_kill): Rename to st_kill, update users.
1771         (ae_gen): Rename to st_avloc, update users.
1772         (transp): Rename to st_transp, update users.
1773         (pre_insert_map): Rename to st_insert_map, update users.
1774         (pre_delete_map): Rename to st_delete_map, update users.
1775         (insert_store, build_store_vectors, free_store_memory,
1776         one_store_motion_pass): Update for abovementioned changes.
1777
1778         (gcse_subst_count, gcse_create_count): Remove.
1779         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1780         and "n_stores_created", local variables.
1781
1782         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1783         use for_each_rtx.
1784
1785         (regvec, compute_store_table_current_insn): Remove.
1786         (reg_set_info, reg_clear_last_set): Remove.
1787         (compute_store_table): Use DF caches instead of local dataflow
1788         solvers.
1789
1790 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1791
1792         * c-objc-common.c (c_tree_printer): Print identifiers with
1793         pp_identifier, not pp_string.  Mark "({anonymous})" for
1794         translation.
1795         * c-pretty-print.c (pp_c_ws_string): New.
1796         (pp_c_cv_qualifier, pp_c_type_specifier,
1797         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1798         pp_c_storage_class_specifier, pp_c_function_specifier,
1799         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1800         pp_c_primary_expression, pp_c_postfix_expression,
1801         pp_c_unary_expression, pp_c_shift_expression,
1802         pp_c_relational_expression, pp_c_equality_expression,
1803         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1804         use pp_string and pp_c_ws_string in place of pp_identifier and
1805         pp_c_identifier for non-identifiers.  Mark English strings for
1806         translation.
1807         * c-pretty-print.h (pp_c_ws_string): Declare.
1808
1809 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1810             Roland McGrath <roland@redhat.com>
1811
1812         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1813         (ENABLE_LD_BUILDID): New configuration option.
1814         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1815         (LINK_BUILDID_SPEC): New macro.
1816         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1817         link_spec.
1818         * doc/install.texi: Document --enable-linker-build-id option.
1819         * configure: Rebuild.
1820         * config.in: Rebuild.
1821
1822 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1823
1824         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1825         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1826         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1827         MIPS_GP_SAVE_AREA_SIZE.
1828         * config/mips/mips.c (struct mips_frame_info): Update comment
1829         before arg_pointer_offset and hard_frame_pointer_offset.
1830         (mips_compute_frame_info): Update diagram before function: to
1831         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1832         indicate the position of frame_pointer_rtx with -fstack-protector and
1833         to show args_size.  Don't allocate cprestore area for leaf functions
1834         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1835         cprestore_size.
1836         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1837
1838 2009-04-30  Michael Matz  <matz@suse.de>
1839
1840         PR tree-optimization/39955
1841         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1842
1843 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1844
1845         * ira.c (setup_cover_and_important_classes):  Use safe macro
1846         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1847         directly.
1848         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1849         REG_CLASS_FOR_CONSTRAINT.
1850
1851 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1852
1853         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1854         instead of an int.
1855         * bitmap.c (bitmap_descriptor): Likewise.
1856         * ggc-common.c (loc_descriptor): Likewise.
1857         * varray.c (varray_descriptor): Likewise.
1858         * vec.c (vec_descriptor): Likewise.
1859
1860 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1861
1862         * Makefile.in (dce.o): Add $(EXCEPT_H).
1863         * dce.c: Include except.h and delete redundant vector definitions.
1864         (deletable_insn_p): Return false for non-call insns that can throw
1865         if DF is running.
1866
1867 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1868
1869         * gcse.c (ae_gen): Remove.
1870         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1871         and make non-static function to make it available in store-motion.c.
1872         Update call sites with search-and-replace.
1873         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1874         extract_mentioned_regs, extract_mentioned_regs_helper,
1875         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1876         store_killed_in_insn, store_killed_after, store_killed_before,
1877         build_store_vectors, insert_insn_start_basic_block, insert-store,
1878         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1879         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1880         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1881         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1882         and clean up to remove parts not used by store motion.
1883         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1884         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1885
1886 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1887
1888         PR target/38571
1889         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1890         when optimizing for size.
1891
1892 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1893
1894         * gcse.c (gcse_constant_p): Fix typo in last change.
1895
1896 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1897
1898         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1899
1900 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1901
1902         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1903
1904 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1905
1906         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1907         CONST_HIGH_PART result.
1908
1909 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1910
1911         * config/avr/avr.c (initial_elimination_offset): Rename to
1912         avr_initial_elimination_offset.
1913         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1914         change return type to bool.
1915         (avr_can_eliminate): New function.
1916         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1917         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1918         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1919         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1920         avr_initial_elimination_offset.
1921         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1922         (avr_initial_elimination_offset): Define.
1923
1924 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1925             Steven Bosscher  <steven@gcc.gnu.org>
1926
1927         PR rtl-optimization/39938
1928         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1929         * cfgrtl.c: Include insn-attr.h.
1930         (rest_of_pass_free_cfg): New function.
1931         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1932         * resource.c (init_resource_info): Remove call to df_analyze.
1933
1934 2009-04-29  Richard Guenther  <rguenther@suse.de>
1935
1936         PR target/39943
1937         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1938         allow conversion to signed integers.
1939
1940 2009-04-29  Richard Guenther  <rguenther@suse.de>
1941
1942         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1943         shifts of floating point vectors if the shift amount is
1944         a constant multiple of the element size.
1945
1946 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1947             Michael Matz  <matz@suse.de>
1948
1949         PR middle-end/39927
1950         PR bootstrap/39929
1951         * tree-outof-ssa.c (emit_partition_copy): New function.
1952         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1953         insert_part_to_rtx_on_edge): Perform the partition base var
1954         copy using emit_partition_copy.
1955         (insert_value_copy_on_edge): Convert constants to the right mode.
1956         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1957         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1958
1959 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1960
1961         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1962         scan backwards to try to find a constant to initialize it.
1963
1964         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1965         insn before the loop_end instruction, don't look past labels.
1966
1967 2009-04-29  Richard Guenther  <rguenther@suse.de>
1968
1969         PR middle-end/39937
1970         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1971         loose type conversions.
1972         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1973         stmts only if there are no uses of its definition.
1974
1975 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1976
1977         * config/bfin/bfin.h (splitting_loops): Declare.
1978         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1979         Reorder bit definitions to be ascending.
1980         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1981         * config/bfin/bfin.c (splitting_loops): New variable.
1982         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1983         (struct loop_info): Remove members INIT and LOOP_INIT.
1984         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1985         the LSETUP sequence.  Allow LC to be loaded from any register, but
1986         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1987         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1988         set to 1.
1989         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1990         of reload_completed.
1991
1992         From Jie Zhang:
1993         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1994
1995 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1996
1997         * Makefile.in (PLUGIN_VERSION_H): New.
1998         (OBJS-common): Remove plugin-version.o.
1999         (plugin.o): Depend on (PLUGIN_VERSION_H).
2000         (plugin-version.o): Remove.
2001         * configure: Regenerate
2002         * configure.ac: Create plugin-version.h.
2003         * gcc-plugin.h (plugin_gcc_version): Remove.
2004         (plugin_default_version_check): Change signature.
2005         * plugin-version.c: Remove.
2006         * plugin.c: Include plugin-version.h.
2007         (str_plugin_gcc_version_name): Remove.
2008         (try_init_one_plugin): Pass gcc version to plugin_init.
2009         (plugin_default_version_check): Both gcc and plugin versions are now
2010         arguments.
2011
2012 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2013         
2014         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2015         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2016         Remove special case testing for last insn of inner loops. Don't fail
2017         if the loop ends with a jump, emit an extra nop instead.
2018
2019         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2020         DREGS rather than comparing directly.  Remove code that tries to
2021         account for latencies.
2022
2023 2009-04-29  Richard Guenther  <rguenther@suse.de>
2024
2025         PR tree-optimization/39941
2026         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2027         eliminating an indirect call.
2028
2029 2009-04-29  Richard Guenther  <rguenther@suse.de>
2030
2031         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2032         parameter.  Allow invariants as base if !require_lvalue.
2033         (verify_gimple_assign_single): Adjust.
2034
2035 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2036
2037         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2038         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2039         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2040         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2041         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2042         a VEC_SELECT.
2043         * config/bfin/bfin.c (bfin_expand_builtin,
2044         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2045
2046 2009-04-28  Richard Guenther  <rguenther@suse.de>
2047
2048         * tree-vect-loop.c (get_initial_def_for_induction): Use
2049         correct types for pointer increment.
2050
2051 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2052
2053         * toplev.c (print_version): Update GMP version string calculation.
2054
2055 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2056
2057         PR rtl-optimization/39938
2058         * resource.c (init_resource_info): Add call to df_analyze.
2059
2060 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2061
2062         * config/alpha/alpha.md (usegp): Cast the result of
2063         alpha_find_lo_sum_using_gp to enum attr_usegp.
2064         * config/alpha/alpha.c (override_options): Remove end-of-structure
2065         marker element from cpu_table.  Use array size of cpu_table to handle
2066         -mcpu and -mtune options.
2067         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2068
2069 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2070
2071         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2072         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2073         tune_32 and tune_64.
2074         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2075         support on PowerPC.
2076         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2077         * config/rs6000/option-defaults.h: ... here.  New file.
2078         (OPT_64, OPT_32): Define.
2079         (MASK_64BIT): Define to 0 if not already defined.
2080         (OPT_ARCH64, OPT_ARCH32): Define.
2081         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2082         and tune_64.
2083
2084 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2085
2086         * config/arm/arm.c (arm_override_options): Emit error on using
2087         fpa with AAPCS.
2088
2089 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2090
2091         PR rtl-optimization/39914
2092         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2093         registers for allocnos created from user-defined variables only
2094         when not optimizing.
2095
2096 2009-04-28  Richard Guenther  <rguenther@suse.de>
2097
2098         PR middle-end/39937
2099         * fold-const.c (fold_binary): Use distribute_real_division only
2100         on float types.
2101
2102 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2103
2104         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2105         add hpux-stdint.h to tm_file.
2106         (hppa[12]*-*-hpux11*): Ditto.
2107         (ia64*-*-hpux*): Ditto.
2108         * config/hpux-stdint.h: New.
2109         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2110         __STDC_EXT__ for all compiles.
2111         * config/pa/pa-hpux.h: Ditto.
2112         * config/pa/pa-hpux10.h: Ditto.
2113         * config/pa/pa-hpux11.h: Ditto.
2114
2115 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2116
2117         * debug.h (set_name): Add comment.
2118
2119 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2120
2121         PR target/39929
2122         * config/darwin.c (machopic_gen_offset): Check
2123         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2124         * config/arm/arm.c (require_pic_register): Likewise.
2125
2126 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2127
2128         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2129         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2130         m32c_promote_prototypes): Delete.
2131
2132 2009-04-28  Michael Matz  <matz@suse.de>
2133
2134         PR middle-end/39922
2135         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2136         constants.
2137
2138 2009-04-28  Richard Guenther  <rguenther@suse.de>
2139
2140         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2141
2142 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2143
2144         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2145         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2146         * config/arm/arm-tune.md: Regenerate.
2147
2148 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2149
2150         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2151         block if there are complex incoming edges.
2152         (sel_merge_blocks): Remove useless assert.
2153         (sel_redirect_edge_and_branch): Check that edge was redirected.
2154         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2155         (sel_find_rgns): Delete declaration.
2156         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2157         the region when it is not a preheader.
2158
2159 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2160
2161         PR c/39323
2162         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2163
2164 2009-04-28  Richard Guenther  <rguenther@suse.de>
2165
2166         * tree.h (SSA_NAME_VALUE): Remove.
2167         (struct tree_ssa_name): Remove value_handle member.
2168         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2169         array for jump threading.
2170         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2171         SSA_NAME_VALUEs.
2172         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2173         * tree-flow.h (threadedge_initialize_values): Declare.
2174         (threadedge_finalize_values): Likewise.
2175         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2176         (SSA_NAME_VALUE): Define.
2177         (threadedge_initialize_values): New function.
2178         (threadedge_finalize_values): Likewise.
2179         * tree-ssa-dom.c (ssa_name_values): New global variable.
2180         (SSA_NAME_VALUE): Define.
2181         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2182
2183 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2184
2185         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2186         Use REPORT_VECTORIZED_LOCATIONS instead 
2187         REPORT_VECTORIZED_LOOPS.
2188         * tree-vectorizer.c (vect_verbosity_level): Make static.
2189         (vect_loop_location): Rename to vect_location.
2190         (vect_set_verbosity_level): Update comment.
2191         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2192         and vect_location.
2193         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2194         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2195         instead REPORT_UNVECTORIZED_LOOPS.
2196         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2197         and vect_loop_def to vect_external_def and vect_internal_def.
2198         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2199         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2200         REPORT_UNVECTORIZED_LOCATIONS.
2201         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2202         and vect_used_in_loop and to vect_unused_in_scope and 
2203         vect_used_in_scope.
2204         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2205         (vect_verbosity_level): Remove declaration.
2206         (vect_analyze_operations): Likewise.
2207         (vect_analyze_stmt): Declare.
2208         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2209         REPORT_UNVECTORIZED_LOCATIONS.
2210         (vect_get_loop_niters): Fix indentation.
2211         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2212         (vect_analyze_loop_operations): New function.
2213         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2214         vect_analyze_operations.
2215         (vect_is_simple_reduction): Use new names.
2216         (vectorizable_live_operation, vect_transform_loop): Likewise.
2217         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2218         to specify whether the data references can be a part of interleaving
2219         chain.
2220         (vect_analyze_data_ref_dependence): Use new names.
2221         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2222         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2223         * tree-vect-patterns.c (widened_name_p): Use new names.
2224         (vect_recog_dot_prod_pattern): Likewise.
2225         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2226         (process_use, vect_mark_stmts_to_be_vectorized, 
2227         vect_model_simple_cost, vect_model_store_cost,
2228         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2229         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2230         vectorizable_operation, vectorizable_type_demotion,
2231         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2232         vectorizable_condition): Likewise.
2233         (vect_analyze_operations): Split into vect_analyze_loop_operations
2234         and ...
2235         (vect_analyze_stmt): ... new function.
2236         (new_stmt_vec_info): Use new names.
2237         (vect_is_simple_use): Use new names and fix comment.
2238         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2239         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2240
2241 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2242
2243         PR target/39911
2244         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2245         and integer modes for x87 operands.  Do not ICE for unsupported size,
2246         generate error instead.  Generate error for unsupported operand types.
2247         ['z']: Do not handle HImode memory operands specially.  Warning
2248         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2249         types.  Do not ICE for unsupported size, generate error instead.
2250         (output_387_binary_op): Use %Z to output operands.
2251         (output_fp_compare): Ditto.
2252         (output_387_reg_move): Ditto.
2253
2254 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2255
2256         PR c++/35652
2257         Revert:
2258
2259         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2260
2261         * builtins.c (c_strlen): Do not warn here.
2262         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2263         * c-common.c (pointer_int_sum): Take an explicit location.
2264         Warn about offsets out of bounds.
2265         * c-common.h (pointer_int_sum): Adjust declaration.
2266
2267 2009-04-27  Ian Lance Taylor  <iant@google.com>
2268
2269         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2270         names to symkind.
2271         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2272         * df-core.c (df_set_flags): Change return type to int.  Change
2273         type of old_flags to int.
2274         (df_clear_flags): Likewise.
2275         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2276         (df_get_conditional_uses): Likewise.
2277         * df.h (df_set_flags, df_clear_flags): Update declarations.
2278         * dwarf2out.c (struct indirect_string_node): Change type of form
2279         field to enum dwarf_form.
2280         (AT_string_form): Change return type to enum dwarf_form.
2281         * fixed-value.c (fixed_compare): Add cast to enum type.
2282         * fwprop.c (update_df): Change 0 to VOIDmode.
2283         * gensupport.c: Change 0 to UNKNOWN.
2284         * gimple.h (gimple_cond_code): Add cast to enum type.
2285         * haifa-sched.c (reemit_notes): Add cast to enum type.
2286         * hooks.c (hook_int_void_no_regs): Remove function.
2287         * hooks.h (hook_int_void_no_regs): Remove declaration.
2288         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2289         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2290         * real.c (real_arithmetic): Add cast to enum type.
2291         (real_compare): Likewise.
2292         * target.h (struct gcc_target): Change return type of
2293         branch_target_register_class to enum reg_class.
2294         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2295         default_branch_target_register_class.
2296         * targhooks.c (default_branch_target_register_class): New function.
2297         * targhooks.h (default_branch_target_register_class): Declare.
2298         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2299         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2300         cast to int.
2301         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2302         ERROR_MARK.
2303         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2304         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2305         * tree-vect-stmts.c (supportable_widening_operation): Don't
2306         initialize icode1 and icode2.
2307         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2308         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2309         and to STD_C89.
2310         (cmn_err_flag_specs): Change 0 to STD_C89.
2311         (cmn_err_char_table): Likewise.
2312         * config/arm/arm.c (get_arm_condition_code): Change type of code
2313         to enum arm_cond_code.
2314         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2315         (IWMMXT_BUILTIN2): Likewise.
2316         (neon_builtin_type_bits): Don't define typedef.
2317         (neon_builtin_datum): Change type of bits field to int.
2318         (arm_expand_neon_args): Add cast to enum type.
2319         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2320         TLS_MODEL_NONE.
2321         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2322         casts to enum type.
2323         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2324         MIPS_FP_COND_f.
2325         * config/mips/mips.md (jal_macro): Return enum constant.
2326         (single_insn): Likewise.
2327         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2328         CODE_FOR_nothing.
2329         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2330         casts to enum type.
2331         * config/s390/s390.c (s390_tune_flags): Change type to int.
2332         (s390_arch_flags): Likewise.
2333         (s390_handle_arch_option): Change flags field of struct pta to int.
2334         * config/s390/s390.h (s390_tune_flags): Update declaration.
2335         (s390_arch_flags): Likewise.
2336         * config/sh/sh.c (prepare_move_operands): Compare
2337         tls_symbolic_operand result with enum constant.
2338         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2339         (sh_expand_prologue): Add cast to enum type.
2340         (sh_expand_epilogue): Likewise.
2341         (tls_symbolic_operand): Change return type to enum tls_model.
2342         (fpscr_set_from_mem): Add cast to enum type.
2343         (legitimize_pic_address): Compare tls_symbolic_operand result with
2344         enum constant.
2345         (sh_target_reg_class): Change return type to enum reg_class.
2346         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2347         PROCESSOR_xxx.
2348         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2349         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2350         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2351         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2352         (delayed_branch, tls_call_delay): Likewise.
2353         (eligible_for_sibcall_delay): Likewise.
2354         (eligible_for_return_delay): Likewise. 
2355         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2356         (spu_expand_builtin_1): Likewise.
2357
2358         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2359         for all types of conversions.
2360         (output_init_element): Issue -Wc++-compat warning if needed when
2361         initializing a bitfield with enum type.
2362         * c-parser.c (c_parser_expression): Set original_type to
2363         original_type of right hand operand of comman operator.
2364
2365 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2366
2367         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2368         grammar nits.
2369         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2370         * doc/cpp.texi (Standard Predefined Macros)
2371         (Implementation-defined behavior): Likewise.
2372         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2373         * doc/gimple.texi (GIMPLE Exception Handling)
2374         (@code{GIMPLE_ASSIGN}): Likewise.
2375         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2376         * doc/invoke.texi (Warning Options, Optimize Options)
2377         (AVR Options, Darwin Options): Likewise.
2378         (Optimize Options): Reformulate -fwhole-program description.
2379         * doc/loop.texi (Lambda): Likewise.
2380         * doc/md.texi (Output Template, Define Constraints)
2381         (Standard Names, Insn Splitting): Likewise.
2382         * doc/options.texi (Option properties): Likewise.
2383         * doc/passes.texi (Tree-SSA passes): Likewise.
2384         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2385         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2386         (File Names and DBX): Likewise.
2387         * doc/trouble.texi (Incompatibilities): Likewise.
2388
2389 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2390
2391         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2392         instruction is correct.
2393
2394 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2395
2396         Allow non-constant arguments to conversion intrinsics.
2397         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2398         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2399         * spu.c (print_operand): Handle 'v' and 'w'.
2400         (exp2_immediate_p, spu_gen_exp2): Define.
2401         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2402         spu_convtf_1): Update parameter descriptions.
2403         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2404         * constraints.md ('v', 'w'): New.
2405         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2406         Remove.
2407         (i2f, I2F): New define_mode_attr.
2408         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2409         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2410         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2411         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2412         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2413         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2414         patterns for combine.
2415
2416 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2417
2418         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2419         (cprop, hoist, pre, store_motion): New debug counters.
2420         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2421         is not an RTL pass anymore.
2422         (pass_profiling): Remove extern decl for pass removed in 2005.
2423         (pass_gcse, pass_jump_bypass): Remove.
2424         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2425         to 0 for clean state.
2426         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2427         * cse.c (gate_handle_cse_after_global_opts,
2428         rest_of_handle_cse_after_global_opts): New functions.
2429         (pass_cse_after_global_opts): New pass, does local CSE.
2430         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2431         (TV_CPROP): New timevar.
2432         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2433         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2434         (gcse_main, recompute_all_luids): Remove.
2435         (compute_hash_table_work): Call max_reg_num instead of reading
2436         max_gcse_regno.
2437         (cprop_jump): Don't set run_jump_opt_after_gcse.
2438         (constprop_register): Always allow to alter jumps.
2439         (cprop_insn): Likewise.
2440         (do_local_cprop): Likewise.
2441         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2442         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2443         (find_implicit_sets): Add note about missed optimization opportunity.
2444         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2445         pass_rtl_cprop execute function.
2446         Don't bother tracking the pass number, each pass gets its own dumpfile
2447         now anyway.
2448         Always allow to alter jumpsand bypass jumps.
2449         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2450         will just find no suitable set.
2451         (pre_edge_insert): Fix dumping, this function is for PRE only.
2452         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2453         pass_rtl_pre execute function.
2454         (hoist_code): Return non-zero if something changed.  Keep track of
2455         substitutions and insertions for statistics gathering similar to PRE.
2456         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2457         called from the pass_rtl_hoist execute function.  Show pass statistics.
2458         (compute_store_table): Use max_reg_num directly instead of using the
2459         formerly global max_gcse_regno.
2460         (build_store_vectors): Likewise.
2461         (replace_store_insn): Fix dumping.
2462         (store_motion): Rename to ...
2463         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2464         pass, called from the pass_rtl_store_motion execute function.  Keep
2465         track of substitutions and insertions for statistics gathering similar
2466         to PRE.
2467         (bypass_jumps): Remove, fold interesting bits into ...
2468         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2469         from the pass_rtl_cprop execute function.
2470         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2471         pass_jump_bypass): Remove.
2472         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2473         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2474         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2475         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2476         (gate_rtl_store_motion, execute_rtl_store_motion,
2477         pass_rtl_store_motion): New.
2478         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2479         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2480         * passes.c (init_optimization_passes): Remove pass_gcse and
2481         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2482         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2483         instead of pass_jump_bypass.
2484
2485 2009-04-27  Richard Guenther  <rguenther@suse.de>
2486
2487         PR middle-end/39928
2488         * gimplify.c (gimplify_expr): If we are required to create
2489         a temporary make sure it ends up as register.
2490
2491 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2492
2493         PR target/39903
2494         * config/i386/i386.c (construct_container): Don't call
2495         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2496         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2497
2498 2009-04-27  Michael Matz  <matz@suse.de>
2499
2500         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2501         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2502         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2503         (dump_replaceable_exprs): Take a bitmap.
2504         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2505         array.
2506         (expand_gimple_basic_block): Likewise.
2507         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2508         replaceable_expressions member a bitmap.
2509         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2510         (mark_replaceable): Likewise.
2511         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2512         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2513
2514 2009-04-27  Richard Guenther  <rguenther@suse.de>
2515
2516         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2517         (verify_stmts): Dispatch to gimple/type verification code.
2518         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2519         issue with call argument types.
2520
2521 2009-04-27  Michael Matz  <matz@suse.de>
2522
2523         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2524         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2525         to above.
2526
2527 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2528             Eric Botcazou  <ebotcazou@adacore.com>
2529
2530         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2531         a label's basic block.
2532         (mark_target_live_regs): Tidy and rework obsolete comments.
2533         Change back DF problem to LIVE.  If a label starts a basic block,
2534         assume that all registers that used to be live then still are.
2535         (init_resource_info): If a label starts a basic block, set its
2536         BLOCK_FOR_INSN accordingly.
2537         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2538
2539 2009-04-27  Richard Guenther  <rguenther@suse.de>
2540
2541         * tree-flow-inline.h (function_ann): Remove.
2542         (get_function_ann): Likewise.
2543         * tree-dfa.c (create_function_ann): Remove.
2544         * tree-flow.h (struct static_var_ann_d): Remove.
2545         (struct function_ann_d): Likewise.
2546         (union tree_ann_d): Remove fdecl member.
2547         (function_ann_t): Remove.
2548         (function_ann, get_function_ann, create_function_ann): Remove
2549         declarations.
2550
2551 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2552
2553         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2554
2555 2009-04-27  Jan Hubicka  <jh@suse.cz>
2556
2557         * ipa-pure-const.c (struct funct_state_d): New fields
2558         state_previously_known, looping_previously_known; remove
2559         state_set_in_source.
2560         (analyze_function): Use new fields.
2561         (propagate): Avoid assumption that state_set_in_source imply
2562         nonlooping.
2563
2564         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2565         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2566         * cfgloop.h (finite_loop_p): Declare.
2567
2568 2009-04-26  Michael Matz  <matz@suse.de>
2569
2570         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2571
2572 2009-04-26  Michael Matz  <matz@suse.de>
2573
2574         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2575         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2576         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2577         pass_mark_used_blocks): Remove.
2578         * tree-optimize.c (pass_free_datastructures,
2579         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2580         * passes.c (init_optimization_passes): Don't call
2581         pass_mark_used_blocks, remove dead code.
2582
2583 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2584
2585         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2586         * tree-ssa-live.h (register_ssa_partition): Likewise.
2587
2588 2009-04-26  Michael Matz  <matz@suse.de>
2589
2590         Expand from SSA.
2591         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2592         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2593         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2594         SSA names. 
2595         (compare_pairs): Swap cost comparison.
2596         (coalesce_ssa_name): Don't use change_partition_var.
2597         * tree-nrv.c (struct nrv_data): Add modified member.
2598         (finalize_nrv_r): Set it.
2599         (tree_nrv): Use it to update statements.
2600         (pass_nrv): Require PROP_ssa.
2601         * tree-mudflap.c (mf_decl_cache_locals,
2602         mf_build_check_statement_for): Use make_rename_temp.
2603         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2604         * alias.c (find_base_decl): Handle SSA names.
2605         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2606         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2607         * rtl.h (set_reg_attrs_for_parm): Declare.
2608         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2609         to "optimized", remove unused locals at finish.
2610         (execute_free_datastructures): Make global, call
2611         delete_tree_cfg_annotations.
2612         (execute_free_cfg_annotations): Don't call
2613         delete_tree_cfg_annotations.
2614
2615         * ssaexpand.h: New file.
2616         * expr.c (toplevel): Include ssaexpand.h.
2617         (expand_assignment): Handle SSA names the same as register variables.
2618         (expand_expr_real_1): Expand SSA names.
2619         * cfgexpand.c (toplevel): Include ssaexpand.h.
2620         (SA): New global variable.
2621         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2622         (SSAVAR): New macro.
2623         (set_rtl): New helper function.
2624         (add_stack_var): Deal with SSA names, use set_rtl.
2625         (expand_one_stack_var_at): Likewise.
2626         (expand_one_stack_var): Deal with SSA names.
2627         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2628         before unique numbers.
2629         (expand_stack_vars): Use set_rtl.
2630         (expand_one_var): Accept SSA names, add asserts for them, feed them
2631         to above subroutines.
2632         (expand_used_vars): Expand all partitions (without default defs),
2633         then only the local decls (ignoring those expanded already).
2634         (expand_gimple_cond): Remove edges when jumpif() expands an
2635         unconditional jump.
2636         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2637         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2638         SSA name.
2639         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2640         members of SA; deal with PARM_DECL partitions here; expand
2641         all PHI nodes, free tree datastructures and SA.  Commit instructions
2642         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2643         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2644         info and statements at start, collect garbage at finish.
2645         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2646         (VAR_ANN_PARTITION) Remove.
2647         (change_partition_var): Don't declare.
2648         (partition_to_var): Always return SSA names.
2649         (var_to_partition): Only accept SSA names.
2650         (register_ssa_partition): Only check argument.
2651         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2652         member.
2653         (delete_var_map): Don't free it.
2654         (var_union): Only accept SSA names, simplify.
2655         (partition_view_init): Mark only useful SSA names as used.
2656         (partition_view_fini): Only deal with SSA names.
2657         (change_partition_var): Remove.
2658         (dump_var_map): Use ssa_name instead of partition_to_var member.
2659         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2660         basic blocks.
2661         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2662         (struct _elim_graph): New member const_dests; nodes member vector of
2663         ints.
2664         (set_location_for_edge): New static helper.
2665         (create_temp): Remove.
2666         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2667         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2668         (new_elim_graph): Allocate const_dests member.
2669         (clean_elim_graph): Truncate const_dests member.
2670         (delete_elim_graph): Free const_dests member.
2671         (elim_graph_size): Adapt to new type of nodes member.
2672         (elim_graph_add_node): Likewise.
2673         (eliminate_name): Likewise.
2674         (eliminate_build): Don't take basic block argument, deal only with
2675         partition numbers, not variables.
2676         (get_temp_reg): New static helper.
2677         (elim_create): Use it, deal with RTL temporaries instead of trees.
2678         (eliminate_phi): Adjust all calls to new signature.
2679         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2680         (rewrite_trees): Only do checking.
2681         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2682         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2683         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2684         contains_tree_r, MAX_STMTS_IN_LATCH,
2685         process_single_block_loop_latch, analyze_edges_for_bb,
2686         perform_edge_inserts): Remove.
2687         (expand_phi_nodes): New global function.
2688         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2689         functions, initialize new parameter, remember partitions having a
2690         default def.
2691         (finish_out_of_ssa): New global function.
2692         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2693         don't reset in_ssa_p here, don't disable TER when mudflap.
2694         (pass_del_ssa): Remove.
2695         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2696         partition members.
2697         (execute_free_datastructures): Declare.
2698         * Makefile.in (SSAEXPAND_H): New variable.
2699         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2700         * basic-block.h (commit_one_edge_insertion): Declare.
2701         * passes.c (init_optimization_passes): Move pass_nrv and
2702         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2703         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2704         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2705         (redirect_branch_edge): Deal with super block when expanding, split
2706         out jump patching itself into ...
2707         (patch_jump_insn): ... here, new static helper.
2708
2709 2009-04-26  Michael Matz  <matz@suse.de>
2710
2711         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2712         beyond num_ssa_names.
2713         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2714         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2715
2716 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2717
2718         PR inline-asm/39543
2719         * fwprop.c (forward_propagate_asm): New function.
2720         (forward_propagate_and_simplify): Propagate also into __asm, if it
2721         doesn't increase the number of referenced registers.
2722
2723         PR c/39889
2724         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2725
2726 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2727
2728         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2729         note_nonlocal_vla_type for nonlocal VLAs.
2730         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2731         contains_remapped_vars, remap_vla_decls): New functions.
2732         (convert_nonlocal_reference_stmt): If not optimizing, call
2733         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2734         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2735         if it wasn't found in var_map.
2736         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2737         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2738         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2739         declare_vars.
2740         * gimplify.c (nonlocal_vlas): New variable.
2741         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2742         referenced VLAs.
2743         (gimplify_body): Create and destroy nonlocal_vlas.
2744
2745         * dwarf2out.c (loc_descr_plus_const): New function.
2746         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2747         mem_loc_descriptor, loc_descriptor_from_tree_1,
2748         descr_info_loc, gen_variable_die): Use it.
2749
2750         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2751         !TREE_STATIC VAR_DECLs.
2752         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2753         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2754         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2755         DECL_BY_REFERENCE is valid.
2756         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2757         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2758         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2759         Copy DECL_BY_REFERENCE.
2760         (struct nesting_copy_body_data): New type.
2761         (nesting_copy_decl): New function.
2762         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2763         if they have variable length.
2764
2765 2009-04-26  Michael Matz  <matz@suse.de>
2766
2767         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2768         mark new temporaries for renaming.
2769
2770 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2771
2772         PR c/39581
2773         * c-decl.c (global_bindings_p): Return negative value.
2774         (c_variable_size): New.  Based on variable_size from
2775         stor-layout.c.
2776         (grokdeclarator): Call c_variable_size not variable_size.
2777
2778 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2779
2780         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2781
2782 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2783
2784         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2785         Redefine it to just use mingw/include.
2786         (ASM_SPEC): Rules for -m32 and -m64.
2787         (LINK_SPEC): Use Likewise.
2788         (SPEC_32): New define.
2789         (SPEC_64): Likewise.
2790         (SUB_LINK_SPEC): Likewise.
2791         (MULTILIB_DEFAULTS): New define.
2792         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2793         Add multilib options.
2794         (MULTILIB_DIRNAMES): Likewise.
2795         (MULTILIB_OSDIRNAMES): Likewise.
2796         (LIBGCC): Likewise.
2797         (INSTALL_LIBGCC): Likewise.
2798
2799 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2800
2801         PR c/39556
2802         * c-tree.h (enum c_inline_static_type): New.
2803         (record_inline_static): Declare.
2804         * c-decl.c (struct c_inline_static, c_inline_statics,
2805         record_inline_static, check_inline_statics): New.
2806         (pop_file_scope): Call check_inline_statics.
2807         (start_decl): Call record_inline_static instead of pedwarning
2808         directly for static in inline function.
2809         * c-typeck.c (build_external_ref): Call record_inline_static
2810         instead of pedwarning directly for static referenced in inline
2811         function.
2812
2813 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2814
2815         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2816         not new but only being rescanned.
2817         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2818         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2819         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2820         record_set_info, compute_set, grealloc): Remove.
2821         (recompute_all_luids): New function.
2822         (gcse_main): Don't compute sets, and don't do related memory
2823         allocations/free-ing.  If something changed before the end of the
2824         pass, update LUIDs using recompute_all_luids.
2825         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2826         (free_gcse_mem): Don't free it either.
2827         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2828         Use the df insn LUIDs.
2829         (load_killed_in_block): Likewise.
2830         (compute_hash_table_work): Don't compute reg_set_in_block.
2831         (compute_transp): Use DF_REG_DEF_CHAINs.
2832         (local_cprop_pass): Don't use compute_sets and related functions.
2833         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2834         Use get_max_uid() instead of max_cuid.
2835         (insert_insn_end_basic_block, pre_insert_copy_insn,
2836         update_ld_motion_stores): Don't try to
2837         keep reg_set tables up to date.
2838         (pre_insert_copies): Use df insn LUIDs.
2839         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2840         (reg_set_info): Don't use extra bitmap argument.
2841         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2842         information to compute regs_set_in_block.
2843         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2844         (bypass_jumps): Don't use compute_sets and friends.
2845
2846 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2847
2848         PR testsuite/39710
2849         * opts.c (undocumented_msg): Do not leave blank even with
2850         ENABLE_CHECKING.
2851
2852 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2853
2854         * c-decl.c (build_enumerator): Allow values folding to integer
2855         constants but not integer constant expressions with a pedwarn if
2856         pedantic.
2857
2858 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2859
2860         PR c/39582
2861         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2862         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2863         type is an integer constant.
2864
2865 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2866
2867         PR target/39897
2868         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2869         HImode operands.
2870
2871 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2872
2873         PR c/39564
2874         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2875         with variably modified return type and no storage class
2876         specifiers, except for the case of nested functions.  Distinguish
2877         extern declarations of functions with variably modified return
2878         types from those of objects with variably modified types.
2879
2880 2009-04-25  Jan Hubicka  <jh@suse.cz>
2881
2882         * tree.c (list_equal_p): New function.
2883         * tree.h (list_equal_p): Declare.
2884         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2885         basic_block_def, basic_block, const_basic_block): New.
2886         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2887         (redirect_eh_edge): New function.
2888         (make_eh_edge_update_phi): EH edges are not abnormal.
2889         * except.c: Include tree-flow.h.
2890         (list_match): New function.
2891         (eh_region_replaceable_by_p): New function.
2892         (replace_region): New function.
2893         (hash_type_list): New function.
2894         (hash_eh_region): New function.
2895         (eh_regions_equal_p): New function.
2896         (merge_peers): New function.
2897         (remove_unreachable_regions): Verify EH tree when checking;
2898         merge peers.
2899         (copy_eh_region_1): New function.
2900         (copy_eh_region): New function.
2901         (push_reachable_handler): New function.
2902         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2903         regions without label but with live RESX.
2904         * except.h (redirect_eh_edge_to_label): New.
2905         * tree-flow.h (redirect_eh_edge): New.
2906         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2907         basic_block_def, basic_block, const_basic_block): Remove.
2908         * Makefile.in (except.o): Add dependency on tree-flow.h
2909         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2910         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2911         Remove.
2912
2913 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2914
2915         PR bootstrap/39645
2916         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2917         on the destination of memcpy.
2918
2919 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2920
2921         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2922         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2923         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2924
2925 2009-04-25  Jan Hubicka  <jh@suse.cz>
2926
2927         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2928         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2929         to be reached by different label than left.
2930         (update_eh_edges): Update comment; remove edge_to_remove if possible
2931         and return true if suceeded.
2932         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2933         (cleanup_eh): Compute sharing map.
2934         * except.c (remove_eh_handler_and_replace): Add argument if we should
2935         update regions.
2936         (remove_unreachable_regions): Update for label sharing.
2937         (label_to_region_map): Likewise.
2938         (get_next_region_sharing_label): New function.
2939         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2940         prev_try pointers.
2941         (remove_eh_handler): Update.
2942         (remove_eh_region_and_replace_by_outer_of): New function.
2943         * except.h (struct eh_region): Add next_region_sharing_label.
2944         (remove_eh_region_and_replace_by_outer_of,
2945         get_next_region_sharing_label): Declare.
2946         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2947
2948 2009-04-25  Jan Hubicka  <jh@suse.cz>
2949
2950         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2951         insert code even if they are not critical.
2952
2953 2009-04-25  Jan Hubicka  <jh@suse.cz>
2954
2955         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2956         (gimple_can_remove_branch_p): EH edges won't remove branch by
2957         redirection.
2958         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2959         updating of non-abnormal EH edges.
2960         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2961         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2962         (split_critical_edges): Split also edges where emitting code on them
2963         will lead to splitting later.
2964
2965 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2966             H.J. Lu  <hongjiu.lu@intel.com>
2967
2968         PR target/39590
2969         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2970         the configured assembler supports fildq and fistpq mnemonics.
2971         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2972         * configure: Regenerated.
2973         * config.in: Ditto.
2974
2975         * config/i386/i386.c (print_operand): Handle 'Z'.
2976         ['z']: Remove handling of special fild/fist suffixes.
2977         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2978         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2979         suffix of fild insn.
2980         (*floatsi<mode>2_vector_mixed): Ditto.
2981         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2982         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2983         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2984         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2985         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2986
2987 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2988  
2989         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2990         the source of a set operation.
2991
2992 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2993
2994         * target.h (struct gcc_target): Add case_values_threshold field.
2995         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2996         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2997         * targhooks.c (default_case_values_threshold): New function.
2998         * targhooks.h (default_case_values_threshold): Declare function.
2999         * stmt.c (expand_case): Use case_values_threshold target hook.
3000         * expr.h (case_values_threshold): Remove declartation.
3001         * expr.c (case_values_threshold): Remove function.
3002         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3003
3004         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3005         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3006         (avr_case_values_threshold): Declare as static.
3007         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3008
3009         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3010         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3011         (mn10300_case_values_threshold): New function.
3012
3013 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3014
3015         * ira.c (setup_cover_and_important_classes): Add enum cast.
3016
3017 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3018
3019         * genpreds.c (write_enum_constraint_num): Output definition of
3020         CONSTRAINT_NUM_DEFINED_P macro.
3021         * ira.c (setup_cover_and_important_classes): Use
3022         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3023         
3024 2009-04-24  DJ Delorie  <dj@redhat.com>
3025
3026         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3027         __SH2A_SINGLE_ONLY__ also.
3028
3029 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3030
3031         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3032         (movdf_internal): Ditto.
3033         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3034         SFmode and DFmode constants.
3035         (ia64_print_operand): Add 'G' format for printing
3036         floating point constants.
3037
3038 2009-04-24  Richard Guenther  <rguenther@suse.de>
3039
3040         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3041         from unsigned additions.
3042
3043 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3044
3045         * c-typeck.c (set_init_index): Allow array designators that are
3046         not integer constant expressions with a pedwarn if pedantic.
3047
3048 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3049
3050         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3051         zero if no overlap in nonzero bits between the operands.
3052
3053 2009-04-24  Ian Lance Taylor  <iant@google.com>
3054
3055         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3056         (record_dead_and_set_regs): Likewise.
3057         * df.h (struct df_mw_hardreg): Change flags field to int.
3058         (struct df_base_ref): Likewise.
3059         (struct df): Change changeable_flags field to int.
3060         * df-scan.c (df_defs_record): Change clobber_flags to int.
3061         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3062         constants rather than #define macros.
3063         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3064         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3065         (enum dwarf_calling_convention): Likewise.
3066         (enum dwarf_line_number_x_ops): Likewise.
3067         (enum dwarf_call_frame_info): Likewise.
3068         (enum dwarf_source_language): Likewise.
3069         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3070         (add_calling_convention_attribute): Likewise.
3071         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3072         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3073         * genrecog.c (maybe_both_true_2): Change c to int.
3074         (write_switch): Likewise.  Add cast to enum type.
3075         * gimplify.c (gimplify_omp_for): Handle return values from
3076         gimplify_expr using MIN rather than bitwise or.
3077         (gimplify_expr): Add cast to enum type.
3078         * ipa-prop.c (update_jump_functions_after_inlining): Change
3079         IPA_BOTTOM to IPA_JF_UNKNOWN.
3080         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3081         Add casts to enum type.
3082         (setup_cover_and_important_classes): Change cl to int.  Add casts
3083         to enum type.
3084         (setup_class_translate): Change cl and mode to int.
3085         (ira_init_once): Change mode to int.
3086         (free_register_move_costs): Likewise.
3087         (setup_prohibited_mode_move_regs): Add casts to enum type.
3088         * langhooks.c (add_builtin_function_common): Rework assertion that
3089         value fits bitfield.
3090         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3091         * omega.c (omega_do_elimination): Avoid math on enum types.
3092         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3093         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3094         int local to handle integral_argment value.
3095         * regmove.c (try_auto_increment): Change PUT_MODE to
3096         PUT_REG_NOTE_KIND.
3097         * reload.c (push_secondary_reload): Add casts to enum type.
3098         (secondary_reload_class, find_valid_class): Likewise.
3099         * reload1.c (emit_input_reload_insns): Likewise.
3100         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3101         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3102         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3103         constant.
3104         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3105         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3106         enum type.
3107         (expand_complex_libcall): Add casts to enum type.
3108         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3109         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3110         with ERROR_MARK, not NUM_TREE_CODES.
3111         (vect_create_epilog_for_reduction): Likewise.
3112         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3113         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3114         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3115         enum machine_mode.
3116         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3117         vect_unused_in_loop.  Change 0 to loop_vect.
3118         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3119         * var-tracking.c (get_init_value): Change return type to enum
3120         var_init_status.
3121         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3122         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3123         arm_fp_model.
3124         (arm_override_options): Add casts to enum type.
3125         (arm_emit_tls_decoration): Likewise.
3126         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3127         to enum type.
3128         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3129         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3130         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3131         enum type.
3132         * config/s390/s390.c (code_for_builtin_64): Change to array of
3133         enum insn_code.
3134         (code_for_builtin_31): Likewise.
3135         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3136         const *.
3137         * config/sparc/sparc.c (sparc_override_options): Change value
3138         field in struct code_model to enum cmodel.  In initializer change
3139         0 to NULL and add cast to enum type.
3140
3141         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3142         Change all callers.  Issue a -Wc++-compat warning using
3143         lhs_origtype if necessary.
3144         (convert_for_assignment): Issue -Wc++-compat warnings about
3145         invalid conversions to enum type on assignment.
3146         * c-common.h (build_modify_expr): Update declaration.
3147
3148 2009-04-24  Nick Clifton  <nickc@redhat.com>
3149
3150         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3151         (function_arg_advance): Likewise.
3152         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3153         5th alternative.
3154
3155 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3156
3157         * config/s390/constraints.md ('I', 'J'): Fix condition.
3158
3159 2009-04-24  Diego Novillo  <dnovillo@google.com>
3160
3161         * gengtype-parse.c (parse_error): Add newline after message.
3162
3163 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3164
3165         * config/i386/sse.md (avxmodesuffixs): Removed.
3166         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3167         (*avx_pinsr<ssevecsize>): This.
3168
3169 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3170
3171         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3172         follow chains of regs with a single definition, and allow expressions
3173         that are function_invariant_p.
3174         (simple_rhs_p): Allow expressions that are function_invariant_p.
3175
3176 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3177
3178         PR middle-end/39867
3179         * fold-const.c (fold_cond_expr_with_comparison): When folding
3180         > and >= to MAX, make sure the MAX uses the same type as the
3181         comparison's operands.
3182
3183 2009-04-24  Nick Clifton  <nickc@redhat.com>
3184
3185         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3186         addressing for DImode accesses.
3187         (frv_print_operand_address): Handle PLUS case.
3188         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3189
3190 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3191
3192         PR rtl-optimization/39794
3193         * alias.c (canon_true_dependence): Add x_addr argument.
3194         * rtl.h (canon_true_dependence): Adjust prototype.
3195         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3196         * cselib.c (cselib_invalidate_mem): Likewise.
3197         * gcse.c (compute_transp): Likewise.
3198         * dse.c (scan_reads_nospill): Likewise.
3199         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3200         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3201         canon_base_addr of the group, plus optional offset.
3202         (struct group_info): Rename canon_base_mem to
3203         canon_base_addr.
3204         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3205         canon_rtx of base_mem.
3206
3207 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3208
3209         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3210         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3211
3212 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3213
3214         * config/spu/spu-builtins.h: Delete file.
3215
3216         * config/spu/spu.h (enum spu_builtin_type): Move here from
3217         spu-builtins.h.
3218         (struct spu_builtin_description): Likewise.  Add GTY marker.
3219         Do not use enum spu_function_code or enum insn_code.
3220         (spu_builtins): Add extern declaration.
3221
3222         * config/spu/spu.c: Do not include "spu-builtins.h".
3223         (enum spu_function_code, enum spu_builtin_type_index,
3224         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3225         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3226         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3227         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3228         (spu_builtin_types): Make static.  Add GTY marker.
3229         (spu_builtins): Add extern declaration with GTY marker.
3230         Include "gt-spu.h".
3231
3232         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3233         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3234         Check programmatically whether all parameters are scalar.
3235
3236         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3237
3238 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3239
3240         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3241         assignment from the constructor either if the target is volatile.
3242
3243 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3244
3245         * config/arm/arm.md (insv): Do not share operands[0].
3246
3247 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3248
3249         * config/vxlib-tls.c (active_tls_threads): Delete.
3250         (delete_hook_installed): New.
3251         (tls_delete_hook): Don't delete the delete hook.
3252         (tls_destructor): Delete it here.
3253         (__gthread_set_specific): Adjust installing the delete hook.
3254         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3255         __gthread_leave_tsd_dtor_context.
3256
3257 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3258
3259         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3260
3261 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3262
3263         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3264         enum type.
3265         (alpha_rtx_costs): Ditto.
3266         (emit_unlikely_jump): Use add_reg_note.
3267         (emit_frame_store_1): Ditto.
3268         (alpha_expand_prologue): Ditto.
3269         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3270         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3271
3272 2009-04-23  Nick Clifton  <nickc@redhat.com>
3273
3274         * config/v850/v850.md (epilogue): Remove suppressed code.
3275         (return): Rename to return_simple and remove test of frame size.
3276         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3277         to gen_return_simple.
3278
3279 2009-04-22  Jing Yu  <jingyu@google.com>
3280
3281         PR testsuite/39781
3282         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3283
3284 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3285
3286         PR C/31499
3287         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3288         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3289         value is a VECTOR_CST, the element type is the element type of the
3290         vector.
3291
3292 2009-04-22  DJ Delorie  <dj@redhat.com>
3293
3294         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3295
3296 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3297
3298         * alias.c (find_base_term): Move around LO_SUM case, so that
3299         CONST falls through into PLUS/MINUS handling.
3300
3301         PR c/39855
3302         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3303         into 0, use omit_one_operand.
3304
3305 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3306
3307         * config/rs6000/linux-unwind.h (get_regs): Remove type
3308         puns. Change the type of `pc' to an array of unsigned ints and
3309         update all users.  Constify frame24.
3310
3311 2009-04-22  DJ Delorie  <dj@redhat.com>
3312
3313         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3314         declarations before code.
3315         (current_function_special_page_vector): Likewise.
3316         (m32c_expand_insv): Silence a warning.
3317
3318 2009-04-21  Taras Glek  <tglek@mozilla.com>
3319
3320         * alias.c: Update GTY annotations to new syntax.
3321         * basic-block.h: Likewise.
3322         * bitmap.h: Likewise.
3323         * c-common.h: Likewise.
3324         * c-decl.c: Likewise.
3325         * c-parser.c: Likewise.
3326         * c-pragma.c: Likewise.
3327         * c-tree.h: Likewise.
3328         * cfgloop.h: Likewise.
3329         * cgraph.h: Likewise.
3330         * config/alpha/alpha.c: Likewise.
3331         * config/arm/arm.h: Likewise.
3332         * config/avr/avr.h: Likewise.
3333         * config/bfin/bfin.c: Likewise.
3334         * config/cris/cris.c: Likewise.
3335         * config/darwin.c: Likewise.
3336         * config/frv/frv.c: Likewise.
3337         * config/i386/i386.c: Likewise.
3338         * config/i386/i386.h: Likewise.
3339         * config/i386/winnt.c: Likewise.
3340         * config/ia64/ia64.h: Likewise.
3341         * config/iq2000/iq2000.c: Likewise.
3342         * config/mips/mips.c: Likewise.
3343         * config/mmix/mmix.h: Likewise.
3344         * config/pa/pa.c: Likewise.
3345         * config/pa/pa.h: Likewise.
3346         * config/rs6000/rs6000.c: Likewise.
3347         * config/s390/s390.c: Likewise.
3348         * config/sparc/sparc.c: Likewise.
3349         * config/xtensa/xtensa.c: Likewise.
3350         * cselib.h: Likewise.
3351         * dbxout.c: Likewise.
3352         * dwarf2out.c: Likewise.
3353         * except.c: Likewise.
3354         * except.h: Likewise.
3355         * fixed-value.h: Likewise.
3356         * function.c: Likewise.
3357         * function.h: Likewise.
3358         * gimple.h: Likewise.
3359         * integrate.c: Likewise.
3360         * optabs.c: Likewise.
3361         * output.h: Likewise.
3362         * real.h: Likewise.
3363         * rtl.h: Likewise.
3364         * stringpool.c: Likewise.
3365         * tree-data-ref.c: Likewise.
3366         * tree-flow.h: Likewise.
3367         * tree-scalar-evolution.c: Likewise.
3368         * tree-ssa-address.c: Likewise.
3369         * tree-ssa-alias.h: Likewise.
3370         * tree-ssa-operands.h: Likewise.
3371         * tree.c: Likewise.
3372         * tree.h: Likewise.
3373         * varasm.c: Likewise.
3374         * varray.h: Likewise.
3375         * vec.h: Likewise.
3376         * coretypes.h: Do not define GTY macro if it is already defined.
3377         * doc/gty.texi: Update GTY documentation to new syntax.
3378         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3379         annotations on structs.
3380         * gengtype-parse.c: Likewise.
3381
3382 2009-04-22  Mark Heffernan  <meheff@google.com>
3383
3384         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3385
3386 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3387
3388         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3389         where appropriate.
3390
3391 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3392
3393         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3394         the same as a PLUS without a shift.  Increase the cost of a
3395         CONST_INT in MULT.
3396
3397 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3398
3399         * Makefile.in: Update dependencies.
3400         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3401         * errors.h: Remove bogus comment about compatibility.
3402         (warning): Update declaration.
3403         * genautomata.c: Update all calls to warning.
3404         * gimple.c: Do not include errors.h. Include toplev.h.
3405         * tree-ssa-structalias.c: Do not include errors.h.
3406         * omega.c: Likewise.
3407         * tree-ssa-reassoc.c: Likewise.
3408         * config/spu/spu-c.c: Likewise.
3409         * config/spu/t-spu-elf: Update dependencies.
3410
3411 2009-04-22  Richard Guenther  <rguenther@suse.de>
3412
3413         PR tree-optimization/39824
3414         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3415         make sure the types are compatible.
3416
3417 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3418
3419         PR c++/14875
3420         * c-common.c (c_parse_error): Take a token_flags parameter.
3421         Use token_type for the token type instead.
3422         Pass token_flags to cpp_type2name.
3423         * c-common.h (c_parse_error): Update declaration.
3424         * c-parser.c (c_parser_error): Pass 0 as token flags.
3425
3426 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3427
3428         PR rtl-optimization/39580
3429         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3430         
3431 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3432
3433         * function.c (expand_function_end): Do not emit a jump to the "naked"
3434         return label for fall-through returns.
3435         * except.c (sjlj_emit_function_exit): Always place the call to the
3436         unregister function at the location installed by expand_function_end.
3437
3438 2009-04-22  Richard Guenther  <rguenther@suse.de>
3439
3440         PR tree-optimization/39845
3441         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3442         (gen_inbound_check): Likewise.
3443
3444 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3445
3446         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3447         padding for PPC.
3448         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3449         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3450
3451 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3452
3453         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3454         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3455         shift counts to avoid out-of-bounds array accesses.
3456
3457 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3458
3459         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3460         (Pmode): Move above.
3461
3462 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3463
3464         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3465         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3466         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3467         * config/alpha/alpha.h: Ditto.
3468         * config/alpha/alpha.md: Ditto.
3469         * config/alpha/constraints.md: Ditto.
3470         * config/alpha/predicates.md: Ditto.
3471         
3472 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3473
3474         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3475         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3476         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3477         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3478         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3479         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3480         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3481         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3482         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3483         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3484         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3485         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3486         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3487         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3488         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3489         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3490         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3491         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3492         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3493         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3494         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3495         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3496         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3497         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3498         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3499         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3500         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3501
3502 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3503
3504         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3505         references from comments.
3506         * cfgbuild.c: (count_basic_blocks): Delete.
3507         (find_basic_blocks_1): Delete.
3508         (find_basic_blocks): Delete.
3509         * except.c (finish_eh_generation): Make static.  Move comment from
3510         except.h here.  Remove find_basic_blocks references from comments.
3511         * except.h (finish_eh_generation): Delete.
3512         * basic-block.h (find_basic_blocks): Delete.
3513         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3514
3515 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3516
3517         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3518         (sdbout_parms):  Likewise.
3519
3520 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3521
3522         * config/sh/sh.c (prepare_cbranch_operands): Use
3523         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3524         (expand_cbranchdi4): Likewise.
3525         (from_compare): Add cast to enum type.
3526         (expand_cbranchsi4): Use add_reg_note.
3527         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3528         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3529         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3530         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3531         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3532         instead of CODE_FOR_nothing.
3533         (cbranchdi4): Likewise.  Fix the order of arguments for
3534         gen_rtx_fmt_ee.
3535         (push_fpscr): Use add_reg_note.
3536         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3537         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3538         
3539 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3540
3541         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3542         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3543         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3544         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3545         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3546         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3547         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3548         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3549         config/alpha/x-vms, config/arc/t-arc,
3550         config/arm/README-interworking, config/arm/arm-c.c,
3551         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3552         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3553         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3554         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3555         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3556         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3557         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3558         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3559         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3560         config/cris/t-elfmulti, config/crx/t-crx,
3561         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3562         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3563         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3564         config/h8300/t-h8300, config/i386/athlon.md,
3565         config/i386/darwin-libgcc.10.4.ver,
3566         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3567         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3568         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3569         config/i386/t-linux64, config/i386/t-nwld,
3570         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3571         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3572         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3573         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3574         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3575         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3576         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3577         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3578         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3579         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3580         config/m68k/t-uclinux, config/mcore/t-mcore,
3581         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3582         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3583         config/mips/crtn.asm, config/mips/irix-crti.asm,
3584         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3585         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3586         config/mips/mips-fixed.md, config/mips/sb1.md,
3587         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3588         config/mips/t-iris6, config/mips/t-isa3264,
3589         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3590         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3591         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3592         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3593         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3594         config/mn10300/t-linux, config/mn10300/t-mn10300,
3595         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3596         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3597         config/picochip/libgccExtras/clzsi2.asm,
3598         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3599         config/rs6000/darwin-libgcc.10.4.ver,
3600         config/rs6000/darwin-libgcc.10.5.ver,
3601         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3602         config/rs6000/t-aix43, config/rs6000/t-aix52,
3603         config/rs6000/t-darwin, config/rs6000/t-fprules,
3604         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3605         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3606         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3607         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3608         config/rs6000/t-rtems, config/rs6000/t-spe,
3609         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3610         config/score/t-score-elf, config/sh/divcost-analysis,
3611         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3612         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3613         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3614         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3615         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3616         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3617         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3618         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3619         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3620         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3621         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3622         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3623         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3624         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3625         * config/h8300/genmova.sh: Include copyright and license notices
3626         in generated output.
3627         * config/h8300/mova.md: Regenerate.
3628         * doc/install.texi2html: Include word "Copyright" in copyright
3629         notice and use name "Free Software Foundation, Inc.".
3630         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3631         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3632         ChangeLog-2007, ChangeLog-2008: Correct dates.
3633
3634 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3635
3636         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3637         NE_EXPR operations as well.
3638         * c-parser.c (c_parser_condition): Do not set location information on
3639         the condition.
3640         (c_parser_conditional_expression): Likewise.
3641         (c_parser_binary_expression): Set location information on operators.
3642         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3643         TRUTH_NOT_EXPR has been folded.
3644         * fold-const.c (fold_truth_not_expr): Copy location information from
3645         the incoming expression to the outgoing one.
3646         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3647         recursive calls on the LHS of the operator but pass that of the
3648         operator to recursive calls on the RHS of the operator.  Set it
3649         on the COND_EXPR.
3650         (shortcut_cond_expr): Set the locus of the operator on the second
3651         COND_EXPR and that of the expression on the first in degenerate cases.
3652         Pass the locus of the expression to calls to shortcut_cond_r.
3653         Set the locus of the 'then' block on the associated jump, if any.
3654         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3655         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3656         expression to call to gimplify_boolean_expr.
3657
3658 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3659
3660         * config.gcc: Add additional configuration for
3661         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3662         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3663         (CPP_SPEC): Redefine for allowing -municode option.
3664         (STARTFILE_SPEC): Likewise.
3665         * config/i386/t-mingw-w64: New.
3666         * config/i386/mingw-w64.opt: New.
3667         (municode): Add new target option.
3668         * doc/invoke.texi (municode): Add documentation for new option.
3669
3670 2009-04-21  Ian Lance Taylor  <iant@google.com>
3671
3672         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3673         Correct test for number of arguments.
3674         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3675
3676 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3677
3678         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3679         argument of emit_library_call.
3680
3681 2009-04-21  Richard Guenther  <rguenther@suse.de>
3682
3683         PR middle-end/39829
3684         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3685         inside VIEW_CONVERT_EXPRs.
3686
3687 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3688
3689         * tree-switch-conversion.c (build_constructors): Split a long line.
3690         (constructor_contains_same_values_p): New function.
3691         (build_one_array): Create assigns of constants if possible, do not
3692         call mark_sym_for_renaming, call update_stmt.
3693         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3694         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3695         update_stmt.
3696         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3697         find_new_referenced_vars, call update_stmt.
3698         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3699         instead of calling make_rename_temp.  Do not call
3700         find_new_referenced_vars or mark_symbols_for_renaming, call
3701         update_stmt.
3702
3703 2009-04-21  Richard Guenther  <rguenther@suse.de>
3704
3705         PR tree-optimization/39827
3706         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3707         (tree_ssa_phiprop): Pass the correct array size.
3708
3709 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3710
3711         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3712
3713 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3714
3715         PR 16202
3716         * c-typeck.c (lvalue_p): Move declaration ...
3717         * c-common.h (lvalue_p): ... to here.
3718         * c-common.c (candidate_equal_p): New.
3719         (add_tlist): Use it.
3720         (merge_tlist): Use it.
3721         (warn_for_collisions_1): Likewise.
3722         (warning_candidate_p): Accept more candidates.
3723         (verify_tree): A warning candidate can be an expression. Use
3724         candidate_equal_p.
3725
3726 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3727
3728         PR target/5267
3729         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3730         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3731         options.  Remove -mcall-solaris documentation.
3732
3733 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3734
3735         PR c++/13358
3736         * doc/invoke.texi (-Wlong-long): Update description.
3737         * c-lex (interpret_integer): Only warn if there was no previous
3738         overflow and -Wlong-long is enabled.
3739         * c-decl.c (declspecs_add_type): Drop redundant flags.
3740         * c.opt (Wlong-long): Init to -1.
3741         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3742         and front-end warn_long_long. Wlong-long only depends on other
3743         flags if it is uninitialized.
3744         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3745         the same for CPP and FE.
3746         (restore_extension_diagnostics): Likewise.
3747
3748 2009-04-20  Ian Lance Taylor  <iant@google.com>
3749
3750         Fix enum conversions which are invalid in C++:
3751         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3752         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3753         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3754         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3755         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3756         (dbxout_parms): Likewise.
3757         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3758         (df_clear_flags): Likewise.
3759         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3760         top_flag parameter to int.
3761         (df_chain_create_bb_process_use): Likewise.
3762         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3763         Remove cast.
3764         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3765         (df_ref_create_structure, df_def_record_1): Likewise.
3766         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3767         (df_notes_rescan): Change 0 to VOIDmode in function call.
3768         (df_get_call_refs, df_insn_refs_collect): Likewise.
3769         (df_bb_regs_collect): Likewise.
3770         (df_entry_block_defs_collect): Likewise.
3771         (df_exit_block_uses_collect): Likewise.
3772         * df.h: Update declarations.
3773         * double-int.c (double_int_divmod): Add cast to enum type.
3774         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3775         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3776         (based_loc_descr): Likewise.
3777         (loc_descriptor_from_tree_1): Change first_op and second_op to
3778         enum dwarf_location_atom.  Add cast to enum type.
3779         * expmed.c (init_expmed): Change 0 to SET in function call.
3780         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3781         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3782         (do_store_flag): Likewise.
3783         * fixed-value.h (struct fixed_value): Change mode to enum
3784         machine_mode.
3785         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3786         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3787         function call.
3788         (insert_insn_decl, insert_decl, insert_state): Likewise.
3789         (automata_list_finish): Likewise.
3790         * genrecog.c (process_define_predicate): Add cast to enum type.
3791         * gensupport.c (init_predicate_table): Add cast to enum type.
3792         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3793         function call.
3794         (gimple_build_call_1, gimple_build_label): Likewise.
3795         (gimple_build_goto, gimple_build_asm_1): Likewise.
3796         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3797         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3798         (enum fallback): Rename from enum fallback_t.
3799         (fallback_t): Typedef as int.
3800         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3801         GSI_SAME_STMT in function call.
3802         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3803         enum type.
3804         (setup_reg_class_relations): Likewise.
3805         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3806         (setup_prohibited_class_mode_regs): Add cast to enum type.
3807         (setup_prohibited_mode_move_regs): Likewise.
3808         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3809         (record_address_regs): Change i to enum reg_class.
3810         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3811         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3812         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3813         (GET_MODE_2XWIDER_MODE): Likewise.
3814         (GET_CLASS_NARROWEST_MODE): Likewise.
3815         * omp-low.c (expand_omp_for): Add cast to enum type.
3816         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3817         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3818         * postreload.c (reload_cse_simplify_operands): Change rclass local
3819         to enum reg_class.
3820         * predict.c (combine_predictions_for_insn): Change best_predictor
3821         and predictor to enum br_predictor.
3822         (combine_predictions_for_bb): Likewise.
3823         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3824         use SET_PREDICT_EXPR_OUTCOME.
3825         * real.c (real_arithmetic): Change icode to code in function call.
3826         * reginfo.c (init_move_cost): Add casts to enum type.
3827         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3828         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3829         enum reg_class.
3830         * reload.c (find_valid_class): Add casts to enum type.
3831         (push_reload): Change 0 to NO_REGS in function call.
3832         (find_reloads): Change this_alternative to array of enum
3833         reg_class.  Remove some now-unnecessary casts.
3834         (make_memloc): Change 0 to VOIDmode in function call.
3835         * reload1.c (reload): Change 0 to VOIDmode in function call.
3836         (eliminate_regs_1, elimination_effects): Likewise.
3837         (eliminate_regs_in_insn): Likewise.
3838         (emit_input_reload_insns): Add cast to enum type.
3839         (delete_output_reload): Change 0 to VOIDmode in function call.
3840         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3841         to enum type in function call.
3842         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3843         (SET_PREDICT_EXPR_OUTCOME): Define.
3844         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3845         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3846         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3847         (dump_function): Likewise.
3848         * tree-dump.h: Update declarations.
3849         * tree-pass.h: Update declarations.
3850         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3851         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3852         enum type.
3853         (arm_rtx_costs_1): Correct parenthesization.
3854         (arm_rtx_costs): Add casts to enum type.
3855         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3856         (vfp_emit_fstmd): Use add_rg_note.
3857         (emit_multi_reg_push, emit_sfm): Likewise.
3858         (thumb_set_frame_pointer): Likewise.
3859         (arm_expand_prologue): Likewise.
3860         (arm_regno_class): Change return type to enum reg_class.
3861         (thumb1_expand_prologue): Use add_reg_note.
3862         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3863         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3864         in function call.
3865         * config/arm/gentune.sh: Add cast to enum type.
3866         * config/arm/arm-tune.md: Rebuild.
3867         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3868         (ix86_split_fp_branch, predict_jump): Likewise.
3869         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3870         insn_code to enum rtx_code.
3871         (ix86_builtin_vectorized_function): Add cast to enum type.
3872         * config/i386/i386.md (truncdfsf2): Change slot to enum
3873         ix86_stack_slot.
3874         (truncxf<mode>2, isinf<mode>2): Likewise.
3875         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3876         enum type.
3877         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3878         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3879         (insert_bundle_state): Change 1 to INSERT in function call.
3880         (ia64_add_bundle_selector_before): Likewise.
3881         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3882         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3883         (restore_stack_nonlocal): Likewise.
3884         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3885         function call.
3886         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3887         function call.
3888         (mips_rtx_costs): Likewise.
3889         (mips_override_options): Add casts to enum type.
3890         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3891         in function call.
3892         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3893         (store_reg, set_reg_plus_d): Likewise.
3894         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3895         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3896         cast to enum type.
3897         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3898         function call.
3899         (emit_unlikely_jump): Use add_reg_note.
3900         (rs6000_emit_allocate_stack): Likewise.
3901         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3902         (output_toc): Change 1 to INSERT in function call.
3903         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3904         (rs6000_initialize_trampoline): Likewise.
3905         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3906         function call.
3907         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3908         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3909         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3910         (save_gprs): Use add_reg_note.
3911         (s390_emit_prologue): Likewise.
3912         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3913         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3914         (sparc_fold_builtin): Add cast to enum type.
3915         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3916         enum insn_code.
3917         (spu_expand_prologue): Use add_reg_note.
3918         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3919
3920 2009-04-20  Ian Lance Taylor  <iant@google.com>
3921
3922         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3923         (c_parser_postfix_expression_after_primary): Get VEC for list of
3924         arguments.  Get original types of arguments.  Call
3925         build_function_call_vec.
3926         (cached_expr_list_1, cached_expr_list_2): New static variables.
3927         (c_parser_expr_list): Change return type to VEC *.  Add
3928         p_orig_types parameter.  Change all callers.
3929         (c_parser_release_expr): New static function.
3930         (c_parser_vec_to_tree_list): New static function.
3931         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3932         call build_function_call_vec.
3933         (build_function_call_vec): New function, based on old
3934         build_function_call.
3935         (convert_arguments): Remove nargs and argarray parameters.  Change
3936         values to a VEC.  Add origtypes parameter.
3937         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3938         (convert_for_assignment): Add origtype parameter.  Change all
3939         callers.  If warn_cxx_compat, check for conversion to an enum
3940         type when calling a function.
3941         (store_init_value): Add origtype parameter.  Change all callers.
3942         (digest_init): Likewise.
3943         (struct init_node): Add origtype field.
3944         (add_pending_init): Add origtype parameter.  Change all callers.
3945         (output_init_element): Likewise.
3946         (output_pending_init_elements): Pass origtype from init_node to
3947         output_init_element.
3948         (process_init_element): Pass origtype from c_expr to
3949         output_init_element.
3950         (c_finish_return): Add origtype parameter.  Change all callers.
3951         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3952         caller.
3953         (sync_resolve_params): Likewise.
3954         (sync_resolve_return): Change params to first_param.  Change caller.
3955         (resolve_overloaded_builtins): Change params to VEC *.  Change
3956         callers.  Save first parameter around call to build_function_call_vec.
3957         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3958         callers.  Call build_function_call_vec rather than
3959         build_function_call for cleanup.
3960         * c-tree.h: Update declarations.
3961         * c-common.h: Update declarations.
3962         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3963         params to first_param.
3964         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3965         params parameter from tree to void *.
3966         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3967         Change arglist parameter to have type void *, and to be a pointer
3968         to a VEC.
3969         * config/rs6000/rs6000-protos.h
3970         (altivec_resolve_overloaded_builtin): Update declaration.
3971         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3972         fnargs parameter to have type void *, and to be a pointer to a
3973         VEC.  Call build_function_call_vec instead of
3974         build_function_call.
3975         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3976
3977 2009-04-20  Joey Ye  <joey.ye@intel.com>
3978             Xuepeng Guo  <xuepeng.guo@intel.com>
3979             H.J. Lu  <hongjiu.lu@intel.com>
3980
3981         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3982
3983         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3984         (IX86_LEA_PRIORITY): Likewise.
3985         (distance_non_agu_define): New function.
3986         (distance_agu_use): Likewise.
3987         (ix86_lea_for_add_ok): Likewise.
3988         (ix86_dep_by_shift_count): Likewise.
3989
3990         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3991         should split for LEA.
3992
3993         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3994         function.
3995         (ix86_dep_by_shift_count): Likewise.
3996
3997 2009-04-20  Richard Guenther  <rguenther@suse.de>
3998
3999         * expr.c (handled_component_p): Move ...
4000         * tree.h (handled_component_p): ... here.
4001         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4002         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4003         and REALPART_EXPR to be in one group.
4004
4005 2009-04-20  Richard Guenther  <rguenther@suse.de>
4006
4007         * basic-block.h (get_all_dominated_blocks): Declare.
4008         * dominance.c (get_all_dominated_blocks): New function.
4009         * tree-cfg.c (get_all_dominated_blocks): Remove.
4010         (remove_edge_and_dominated_blocks): Adjust.
4011         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4012         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4013         instead of recursing.
4014
4015 2009-04-20  Doug Kwan  <dougkwan@google.com>
4016
4017         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4018         (struct cgraph_node_set_def): New type.
4019         (cgraph_node_set) New type. Also declare vector functions.
4020         (struct cgraph_node_set_element_def): New type.
4021         (cgraph_node_set_element): Ditto.
4022         (cgraph_node_set_iterator): New iterator type.
4023         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4024         cgraph_node_set_remove, dump_cgraph_node_set,
4025         debug_cgraph_node_set): New prototypes.
4026         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4027         cgraph_node_set_size): New inlines.
4028         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4029         including cgraph.h.
4030         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4031         argument to function 'write_summary'.
4032         * ipa.c: Include ggc.h.
4033         (hash_cgraph_node_set_element,
4034         eq_cgraph_node_set_element, cgraph_node_set_new,
4035         cgraph_node_set_add, cgraph_node_set_remove,
4036         cgraph_node_set_find, dump_cgraph_node_set,
4037         debug_cgraph_node_set): New functions.
4038         * Makefile.in (ipa.o): Add dependency on GGC_H.
4039
4040 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4041
4042         PR tree-optimization/39675
4043         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4044         check of the return code of vect_schedule_slp. Check that
4045         stmt_vec_info still exists for the statement, before checking its
4046         vectorization type.
4047
4048 2009-04-20  Michael Matz  <matz@suse.de>
4049
4050         * Makefile.in (generated_files): Take out $(simple_generated_c).
4051
4052 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4053
4054         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4055         (UINTPTR_TYPE):  Likewise.
4056
4057 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4058
4059         PR c/37481
4060         * c-typeck.c (digest_init): Check for initializing an array with a
4061         string literal.
4062
4063 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4064
4065         PR c/19771
4066         * c-semantics.c (pop_stmt_list): Propagate
4067         STATEMENT_LIST_HAS_LABEL to parent statement list.
4068
4069 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4070
4071         * config/mips/mips.h (mips_tune_attr): New macro.
4072         * config/mips/mips.md (cpu): Use it.
4073
4074 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4075
4076         PR c/38243
4077         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4078         declaring a tag.
4079
4080 2009-04-19  Diego Novillo  <dnovillo@google.com>
4081
4082         * toplev.c (compile_file): Move call to coverage_finish ...
4083         * cgraphunit.c (ipa_passes): ... here.
4084         Call cgraph_process_new_functions.
4085         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4086         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4087
4088 2009-04-19  Jan Hubicka  <jh@suse.cz>
4089
4090         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4091         cfun.
4092         (dump_cgraph_node): Dump can throw external flag.
4093         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4094
4095 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4096
4097         PR c/32061
4098         PR c++/36954
4099         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4100         * common.opt (Wlogical-op): Move from here...
4101         * c.opt (Wlogical-op): ... to here.
4102         * c-typeck.c (parser_build_binary_op): Update call to
4103         warn_logical_operator.
4104         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4105         extra_warnings.
4106         * c-common.c (warn_logical_op): Update.
4107         * c-common.h (warn_logical_op): Update declaration.
4108
4109 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4110
4111         * tree.c (protected_set_expr_location): Fix formatting.
4112
4113 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4114
4115         PR c/27676
4116         * c-typeck.c (readonly_warning): new.
4117         (build_unary_op, build_modify_expr): Use readonly_warning for
4118         storing into something readonly but not const-qualified.
4119
4120 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4121
4122         PR c/22367
4123         * c-typeck.c (build_unary_op): Check for taking address of
4124         expression of type void.
4125
4126 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4127
4128         PR c/35210
4129         * c-typeck.c (build_function_call): Check for calling a function
4130         with qualified void return types.  Call require_complete_type when
4131         generating a trap.
4132
4133 2009-04-18  Jan Hubicka  <jh@suse.cz>
4134
4135         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4136         Set nothrow flag.
4137         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4138         can_throw_external flag.
4139         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4140         * ipa-pure-const.c (ignore_edge): New function.
4141         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4142         only over can_throw_external edges.
4143         (local_pure_const): Add nothrow flag.
4144         * ipa-utils.c (searchc): Add ignore_edge callback.
4145         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4146         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4147         (set_nothrow_function_flags): Update cgraph.
4148         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4149
4150 2009-04-18  Richard Guenther  <rguenther@suse.de>
4151
4152         PR middle-end/39804
4153         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4154         (fold_stmt): ... this and ...
4155         (fold_stmt_inplace): ... this.
4156         (fold_stmt_1): Fold references in calls and asms.
4157         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4158
4159 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4160
4161         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4162         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4163
4164 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4165
4166         * tree.c (function_args_count): Remove.
4167         * tree.h: Remove the prototype for function_args_count.
4168
4169 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4170
4171         * tree-iterator.c (expr_only): Remove.
4172         * tree.h: Remove the prototype for expr_only.
4173
4174 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4175
4176         * reginfo.c (cannot_change_mode_set_regs): Remove.
4177         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4178
4179 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4180
4181         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4182         whether operands 0 and 1 overlaps.
4183
4184 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4185
4186         PR middle-end/36902
4187         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4188         pointer. Use warning_at instead of warning.
4189         (search_for_addr_array): Likewise.
4190         (check_array_bounds): Likewise.
4191         (check_all_array_refs): Check that the incoming edge is not in the
4192         list of edges to be removed.
4193         (check_all_array_refs): Avoid the temporal pointer.
4194         (vrp_visit_cond_stmt): Fix typo.
4195         (simplify_switch_using_ranges): Handle the case where the switch
4196         index is an integer constant.
4197
4198 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4199
4200         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4201
4202 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4203
4204         * doc/extend.texi, doc/invoke.texi: Fix typos.
4205
4206 2009-04-17  Cary Coutant  <ccoutant@google.com>
4207
4208         * tree-flow-inline.h (get_lineno): Fix inverted test.
4209
4210 2009-04-17  Diego Novillo  <dnovillo@google.com>
4211
4212         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4213         assertion for AVAIL_OUT.
4214
4215 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4216
4217         PR target/38627
4218         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4219         * config/sh/linux-atomic.asm: Likewise.
4220
4221 2009-04-17  Diego Novillo  <dnovillo@google.com>
4222
4223         * except.c (debug_eh_tree): New.
4224         (struct eh_region, struct eh_status): Move ...
4225         * except.h: ... here.
4226         (add_type_for_runtime): Declare extern.
4227         (lookup_type_for_runtime): Likewise.
4228         (debug_eh_tree): Declare.
4229         * Makefile.in (GTFILES): List except.h before except.c
4230
4231 2009-04-17  Diego Novillo  <dnovillo@google.com>
4232
4233         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4234         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4235         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4236         (find_vars_r): ... here.
4237         * tree-flow.h (find_referenced_vars_in): Declare.
4238         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4239         that AVAIL_OUT exists for BLOCK.
4240         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4241         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4242         (tree-parloops.o): Likewise.
4243
4244 2009-04-17  Simon Baldwin  <simonb@google.com>
4245
4246         * toplev.c (default_tree_printer): Add handling for %E format.
4247
4248 2009-04-17  Diego Novillo  <dnovillo@google.com>
4249
4250         * tree-pretty-print.c (dump_generic_node): Add break after
4251         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4252         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4253         FUNCTION_TYPE together.  Call print_struct_decl when printing
4254         structures and TDF_SLIM is not given.
4255         (print_struct_decl): Fix logic for detecting recursion.
4256
4257 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4258
4259         PR 31567
4260         * gcc.c (create_at_file): New.
4261         (compile_input_file_p): New.
4262         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4263         * main.c (main): Update call to toplev_main.
4264         * toplev.c (toplev_main): Change signature. Call expandargv.
4265         * toplev.h (toplev_main): Change signature.
4266
4267 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4268
4269         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4270         if the latter is not constant.
4271
4272 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4273
4274         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4275
4276 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4277
4278         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4279         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4280
4281 2009-04-17  Richard Guenther  <rguenther@suse.de>
4282
4283         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4284         Handle component references view-converting an invariant address.
4285
4286 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4287
4288         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4289         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4290         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4291         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4292         Use @deftypevr rather than @deftypevar.
4293
4294 2009-04-17  Richard Guenther  <rguenther@suse.de>
4295
4296         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4297         (get_prop_source_stmt): Likewise.
4298         (can_propagate_from): Likewise.
4299
4300 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4301
4302         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4303         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4304         (--with-multilib-list): Add default value.
4305         * configure: Regenerate.
4306         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4307         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4308         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4309         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4310         Don't add default cpu to multilib list unnecessarily, but do enable
4311         the relevant compiler option..
4312         Add support for --with-multilib-list=<blank> and
4313         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4314         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4315         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4316         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4317         TM_MULTILIB_CONFIG.
4318         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4319         (MULTILIB_OSDIRNAMES): New variable.
4320         * config/sh/t-1e: Delete file.
4321         * config/sh/t-mlib-sh1: Delete file.
4322         * config/sh/t-mlib-sh2: Delete file.
4323         * config/sh/t-mlib-sh2a: Delete file.
4324         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4325         * config/sh/t-mlib-sh2a-single: Delete file.
4326         * config/sh/t-mlib-sh2a-single-only: Delete file.
4327         * config/sh/t-mlib-sh2e: Delete file.
4328         * config/sh/t-mlib-sh3e: Delete file.
4329         * config/sh/t-mlib-sh4: Delete file.
4330         * config/sh/t-mlib-sh4-nofpu: Delete file.
4331         * config/sh/t-mlib-sh4-single: Delete file.
4332         * config/sh/t-mlib-sh4-single-only: Delete file.
4333         * config/sh/t-mlib-sh4a: Delete file.
4334         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4335         * config/sh/t-mlib-sh4a-single: Delete file.
4336         * config/sh/t-mlib-sh4a-single-only: Delete file.
4337         * config/sh/t-mlib-sh4al: Delete file.
4338         * config/sh/t-mlib-sh5-32media: Delete file.
4339         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4340         * config/sh/t-mlib-sh5-64media: Delete file.
4341         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4342         * config/sh/t-mlib-sh5-compact: Delete file.
4343         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4344         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4345         * doc/install.texi (Options specification): Add
4346         --with-multilib-list and --with-endian.
4347
4348 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4349
4350         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4351         REVISION_c.
4352         (OBJS-common): Add plugin-version.o.
4353         (plugin-version.o): New.
4354         * gcc-plugin.h (plugin_gcc_version): New.
4355         (plugin_default_version_check): New.
4356         (plugin_init_func, plugin_init): Add version argument.
4357         * plugin-version.c: New.
4358         * plugin.c (str_plugin_gcc_version_name): New.
4359         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4360         pass it to the init function.
4361         (plugin_default_version_check): New.
4362
4363 2009-04-17  Richard Guenther  <rguenther@suse.de>
4364
4365         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4366         for decl-vs-decl disambiguation.
4367
4368 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4369
4370         * config/s390/s390.h (s390_tune_attr): New macro definition.
4371         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4372
4373 2009-04-17  Richard Guenther  <rguenther@suse.de>
4374
4375         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4376         (fold_stmt_r): Likewise.
4377         (maybe_fold_reference): New function.
4378         (fold_gimple_assign): Handle cases fold_stmt_r did.
4379         (fold_stmt): Do not use fold_stmt_r.
4380         (fold_stmt_inplace): Likewise.
4381
4382 2009-04-17  Richard Guenther  <rguenther@suse.de>
4383
4384         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4385         (record_equivalences_from_stmt): Remove useless checks and
4386         simplifications.
4387         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4388         the type is already suitable.
4389
4390 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4391
4392         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4393
4394 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4395
4396         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4397         (CMPtype): Define as __gcc_CMPtype.
4398
4399 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4400
4401         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4402         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4403
4404 2009-04-17  Richard Guenther  <rguenther@suse.de>
4405
4406         PR tree-optimization/39746
4407         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4408         special-casing for builtins and static variable use/def.
4409         (call_may_clobber_ref_p_1): Likewise.
4410
4411 2009-04-16  Ian Lance Taylor  <iant@google.com>
4412
4413         * df.h: Include "timevar.h".
4414         (struct df_problem): Change tv_id field to timevar_id_t.
4415         * tree-pass.h: Include "timevar.h".
4416         (struct opt_pass): Change tv_id field to timevar_id_t.
4417         * timevar.h (timevar_id_t): Define TV_NONE.
4418         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4419         TV_NONE rather than tv_id != 0.
4420         (execute_one_pass): Likewise.
4421         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4422         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4423         dependencies to $(TREE_PASS_H).
4424         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4425         to TV_NONE.
4426         (pass_branch_target_load_optimize2): Likewise.
4427         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4428         (pass_outof_cfg_layout_mode): Likewise.
4429         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4430         (pass_rebuild_cgraph_edges): Likewise.
4431         (pass_remove_cgraph_callee_edges): Likewise.
4432         * df-core.c (pass_df_initialize_opt): Likewise.
4433         (pass_df_initialize_no_opt): Likewise.
4434         (pass_df_finish): Likewise.
4435         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4436         * except.c (pass_set_nothrow_function_flags): Likewise.
4437         (pass_convert_to_eh_region_ranges): Likewise.
4438         * final.c (pass_compute_alignments): Likewise.
4439         * function.c (pass_instantiate_virtual_regs): Likewise.
4440         (pass_init_function): Likewise.
4441         (pass_leaf_regs): Likewise.
4442         (pass_match_asm_constraints): Likewise.
4443         * gimple-low.c (pass_lower_cf): Likewise.
4444         (pass_mark_used_blocks): Likewise.
4445         * init-regs.c (pass_initialize_regs): Likewise.
4446         * integrate.c (pass_initial_value_sets): Likewise.
4447         * ira.c (pass_ira): Likewise.
4448         * jump.c (pass_cleanup_barriers): Likewise.
4449         * omp-low.c (pass_expand_omp): Likewise.
4450         (pass_lower_omp): Likewise.
4451         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4452         * recog.c (pass_split_all_insns): Likewise.
4453         (pass_split_after_reload): Likewise.
4454         (pass_split_before_regstack): Likewise.
4455         (pass_split_before_sched2): Likewise.
4456         (pass_split_for_shorten_branches): Likewise.
4457         * reginfo.c (pass_reginfo_init): Likewise.
4458         (pass_subregs_of_mode_init): Likewise.
4459         (pass_subregs_of_mode_finish): Likewise.
4460         * passes.c (pass_postreload): Likewise.
4461         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4462         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4463         (pass_warn_function_return): Likewise.
4464         (pass_warn_function_noreturn): Likewise.
4465         * tree-complex.c (pass_lower_complex): Likewise.
4466         (pass_lower_complex_O0): Likewise.
4467         * tree-if-conv.c (pass_if_conversion): Likewise.
4468         * tree-into-ssa.c (pass_build_ssa): Likewise.
4469         * tree-mudflap.c (pass_mudflap_1): Likewise.
4470         (pass_mudflap_2): Likewise.
4471         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4472         (pass_mudflap_2): Likewise.
4473         * tree-nrv.c (pass_return_slot): Likewise.
4474         * tree-object-size.c (pass_object_sizes): Likewise.
4475         * tree-optimize.c (pass_all_optimizations): Likewise.
4476         (pass_early_local_passes): Likewise.
4477         (pass_all_early_optimizations): Likewise.
4478         (pass_cleanup_cfg): Likewise.
4479         (pass_cleanup_cfg_post_optimizing): Likewise.
4480         (pass_free_datastructures): Likewise.
4481         (pass_free_cfg_annotations): Likewise.
4482         (pass_fixup_cfg): Likewise.
4483         (pass_init_datastructures): Likewise.
4484         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4485         (pass_late_warn_uninitialized): Likewise.
4486         (pass_update_address_taken): Likewise.
4487         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4488         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4489         (pass_cse_sincos): Likewise.
4490         (pass_convert_to_rsqrt): Likewise.
4491         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4492         * tree-stdarg.c (pass_stdarg): Likewise.
4493         * tree-tailcall.c (pass_tail_recursion): Likewise.
4494         (pass_tail_calls): Likewise.
4495         * tree-vect-generic.c (pass_lower_vector): Likewise.
4496         (pass_lower_vector_ssa): Likewise.
4497         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4498
4499 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4500
4501         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4502         XLR entry.
4503         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4504         Handle -march=xlr.
4505         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4506         logical and signext.
4507
4508 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4509
4510         PR target/39767
4511         * config/sh/predicates.md (arith_operand): Check if the operand
4512         of TRUNCATE is a REG.
4513
4514 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4515
4516         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4517         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4518
4519 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4520
4521         * tree-iterator.c (tsi_split_statement_list_after,
4522         tsi_split_statement_list_before): Remove.
4523         * tree-iterator.h: Remove the prototypes for
4524         tsi_split_statement_list_after and tsi_split_statement_list_before.
4525
4526 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4527
4528         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4529         * tree-ssa-propagate.h: Remove the prototype for
4530         stmt_makes_single_load.
4531
4532 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4533
4534         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4535         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4536
4537 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4538
4539         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4540
4541 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4542
4543         * except.c (eh_region_outer_p): Remove.
4544         * except.h: Remove the prototype for eh_region_outer_p.
4545
4546 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4547
4548         * function.c (current_function_assembler_name): Remove.
4549         * function.h: Remove the prototype for
4550         current_function_assembler_name.
4551
4552 2009-04-16  Ian Lance Taylor  <iant@google.com>
4553
4554         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4555         (add_reg_note): Call alloc_reg_note.
4556         * rtl.h (alloc_reg_note): Declare.
4557         * combine.c (try_combine): Use alloc_reg_note.
4558         (recog_for_combine, move_deaths): Likewise.
4559         (distribute_notes): Use alloc_reg_note and add_reg_note.
4560         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4561         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4562         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4563
4564 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4565
4566         PR rtl-optimization/39762
4567         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4568         ira_may_move_out_cost): Add comments about way of their usage.
4569         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4570
4571         * ira-conflicts.c (process_regs_for_copy): Use function
4572         ira_get_register_move_cost instead of global
4573         ira_register_move_cost.
4574
4575         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4576         color_pass, move_spill_restore, update_curr_costs): Ditto.
4577
4578         * ira-lives.c (process_single_reg_class_operands): Ditto.
4579
4580         * ira-emit.c (emit_move_list): Ditto.
4581
4582         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4583         (record_reg_classes): Ditto.  Use functions
4584         ira_get_register_move_cost and ira_get_may_move_cost instead of
4585         global vars ira_register_move_cost, ira_may_move_out_cost and
4586         ira_may_move_in_cost.
4587         (record_address_regs): Don't call ira_init_register_move_cost.
4588         Use function ira_get_may_move_cost instead of global
4589         ira_may_move_in_cost.
4590         (process_bb_node_for_hard_reg_moves): Use function
4591         ira_get_register_move_cost instead of global ira_register_move_cost.
4592         (ira_costs): Don't call ira_init_register_move_cost.
4593
4594 2009-04-16  Richard Guenther  <rguenther@suse.de>
4595
4596         * tree-cfg.c (verify_gimple_assign_binary):
4597         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4598         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4599         (create_general_new_stmt): Note that this function is broken.
4600
4601 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4602
4603         * common.opt (fhelp): Add Var(help_flag).
4604         * gcc-plugin.h (plugin_info): Add help.
4605         * plugin.c (plugin_name_args): Add help.
4606         (register_plugin_info): Set plugin->help.
4607         (print_help_one_plugin): New.
4608         (print_plugins_help): New.
4609         * plugin.h (print_plugins_help): New.
4610         * toplev.c (toplev_main): Call print_plugins_help if needed.
4611
4612 2009-04-16  Richard Guenther  <rguenther@suse.de>
4613
4614         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4615         (gimple_ior_addresses_taken_1): New function.
4616         (gimple_ior_addresses_taken): Likewise.
4617         * gimple.h (struct gimple_statement_with_ops_base): Remove
4618         addresses_taken member.
4619         (gimple_ior_addresses_taken): Declare.
4620         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4621         gimple_set_addresses_taken): Remove.
4622         * ipa-reference.c (mark_address): New function.
4623         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4624         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4625         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4626         (gimple_add_to_addresses_taken): Remove.
4627         (get_tmr_operands): Call mark_address_taken.
4628         (get_asm_expr_operands): Likewise.
4629         (get_expr_operands): Likewise.
4630         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4631         (free_stmt_operands): Do not free it.
4632         * tree-ssa.c (delete_tree_ssa): Likewise.
4633         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4634
4635 2009-04-16  Richard Guenther  <rguenther@suse.de>
4636
4637         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4638         (walk_stmt_load_store_ops): Likewise.
4639         * gimple.c (get_base_loadstore): New function.
4640         (walk_stmt_load_store_addr_ops): Likewise.
4641         (walk_stmt_load_store_ops): Likewise.
4642         * ipa-pure-const.c (check_op): Simplify.
4643         (check_load, check_store): New functions.
4644         (check_stmt): Use walk_stmt_load_store_ops.
4645         * ipa-reference.c (mark_load): Adjust signature.
4646         (mark_store): Likewise.
4647         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4648
4649 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4650
4651         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4652         (plugin_info): New.
4653         * opts.c (common_handle_option): Don't call print_version.
4654         * plugin.c (plugin_name_args): Add version.
4655         (register_plugin_info): New.
4656         (register_callback): Handle PLUGIN_INFO.
4657         (try_init_one_plugin): New.
4658         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4659         if failed to init.
4660         (finalize_one_plugin): New.
4661         (finalize_plugins): New.
4662         (print_one_plugin): New.
4663         (print_plugins_versions): New.
4664         * plugin.h (print_plugins_versions): New.
4665         (finalize_plugins): New.
4666         * toplev.c (compile_file): Don't call initialize_plugins.
4667         (print_version): Call print_plugins_versions.
4668         (toplev_main): Call initialize_plugins. Print version if needed.
4669         Call finalize_plugins.
4670
4671 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4672
4673         * common.opt (fversion): New.
4674         * gcc.c (print_version): New.
4675         (process_command): Don't print the version. Just set print_version.
4676         (main): Print version. Call subprocesses if print_version and
4677         verbose_flag are set.
4678         * opts.c (common_handle_option): Handle OPT_fversion.
4679
4680 2009-04-16  Richard Guenther  <rguenther@suse.de>
4681             Ira Rosen  <irar@il.ibm.com>
4682
4683         PR tree-optimization/39698
4684         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4685         type of the reduction variable.  Only generate the def if
4686         it is needed.
4687
4688         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4689         make sure to first convert to an integer of the same precision.
4690         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4691         the type of the evolution correctly in computing the new
4692         induction variable base.
4693
4694 2009-04-16  Richard Guenther  <rguenther@suse.de>
4695
4696         PR middle-end/39625
4697         * tree-cfg.c (make_blocks): Split statements with to-be
4698         abnormal SSA names on the lhs.
4699
4700 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4701
4702         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4703         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4704         * c-typeck.c (really_start_incremental_init): Likewise.
4705         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4706         (TARGET_INITIALIZER): Remove it.
4707         * target.h (struct target): Remove vector_opaque_p.
4708         * tree.c (build_opaque_vector_type): New.
4709         * tree.h (TYPE_VECTOR_OPAQUE): New.
4710         (build_opaque_vector_type): Declare.
4711         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4712         * config/rs6000/rs6000.c (build_opaque_vector_type,
4713         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4714         (rs6000_init_builtins): Use build_opaque_vector_type for
4715         opaque_V4SI_type_node.
4716
4717 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4718
4719         * debug.h (set_name):  Declare.
4720         * dwarf2out.c (dwarf2out_set_name): Declare.
4721         (dwarf2_debug_hooks): Add set_name.
4722         (find_AT_string): New.
4723         (add_AT_string): Call find_AT_string.
4724         (dwarf2out_set_name): New.
4725         * cp/decl.c (grokdeclarator): Call set_name.
4726         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4727         * debug.c (do_nothing_debug_hooks):  Likewise.
4728         * dbxout.c (dbx_debug_hooks): Likewise.
4729         * sdbout.c (sdb_debug_hooks): Likewise.
4730
4731 2009-04-15  Michael Eager  <eager@eagercon.com>
4732
4733         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4734         reg for single-precision FPU.
4735         * config/rs6000/rs6000.md (movsi_internal1): Only for
4736         !TARGET_SINGLE_FPU.
4737         (movsi_internal1_single): New. Add pattern to move SI values to/from
4738         single-precision FP regs.
4739
4740 2009-04-15  Richard Guenther  <rguenther@suse.de>
4741
4742         * omp-low.c (lower_rec_input_clauses): Build correct address
4743         expressions.
4744         (expand_omp_for_generic): Fix multiplication type.
4745         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4746         (generate_memset_zero): Fix types.
4747         * tree-profile.c (prepare_instrumented_value): Correctly
4748         widen a pointer.
4749
4750 2009-04-15  Ian Lance Taylor  <iant@google.com>
4751
4752         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4753         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4754         for -Wall and for -Wc++-compat.
4755         (c_common_post_options): For C++, set warn_enum_compare if not
4756         already set.
4757         * c-tree.h (struct c_expr): Add field original_type.
4758         (build_external_ref): Update declaration.
4759         * c-parser.c (c_parser_braced_init): Set original_type.
4760         (c_parser_initelt): Likewise.
4761         (c_parser_expr_no_commas): Likewise.
4762         (c_parser_conditional_expression): Likewise.
4763         (c_parser_cast_expression): Likewise.
4764         (c_parser_unary_expression): Likewise.  Pull setting of
4765         original_code to top of function.
4766         (c_parser_sizeof_expression): Set original_type.
4767         (c_parser_alignof_expression): Likewise.
4768         (c_parser_postfix_expression): Likewise.  Pull setting of
4769         original_code to top of function.
4770         (c_parser_postfix_expression_after_paren_type): Set original_type.
4771         (c_parser_postfix_expression_after_primary): Likewise.
4772         (c_parser_expression): Likewise.
4773         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4774         callers.
4775         (c_expr_sizeof_expr): Set original_type field.
4776         (parser_build_unary_op): Likewise.
4777         (parser_build_binary_op): Likewise.  Optionally warn about
4778         comparisons of enums of different types.
4779         (digest_init): Set original_type field.
4780         (really_start_incremental_init): Likewise.
4781         (push_init_level, pop_init_level): Likewise.
4782         * doc/invoke.texi (Warning Options): -Wenum-compare now
4783         supported in C.
4784
4785 2009-04-15  Richard Guenther  <rguenther@suse.de>
4786
4787         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4788         out a necessary conversion.
4789         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4790         names we didn't value number.
4791         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4792
4793 2009-04-15  Richard Guenther  <rguenther@suse.de>
4794
4795         PR tree-optimization/39764
4796         * tree-ssa-ccp.c (get_value): Canonicalize value with
4797         canonicalize_float_value.
4798
4799 2009-04-15  Jan Hubicka  <jh@suse.cz>
4800
4801         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4802         Wrong version of patch.
4803
4804 2009-04-15  Jan Hubicka  <jh@suse.cz>
4805
4806         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4807
4808 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4809
4810         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4811         our distinct integral and vector types.
4812
4813 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4814
4815         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4816         * init.c (build_vtbl_address): Remove call to assemble_external.
4817
4818 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4819
4820         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4821         output for other floating point modes.
4822
4823 2009-04-14  Diego Novillo  <dnovillo@google.com>
4824
4825         * diagnostic.c (diagnostic_report_diagnostic): Do not
4826         warn about loaded plugins for DK_ERROR and DK_WARNING.
4827         * c-decl.c (declspecs_add_type): Move call to
4828         invoke_plugin_callbacks ...
4829         * c-parser.c (c_parser_declspecs): ... here.
4830         * plugin.c (dump_active_plugins): Tidy output.
4831
4832 2009-04-14  Diego Novillo  <dnovillo@google.com>
4833             Le-Chun Wu  <lcwu@google.com>
4834
4835         * configure.ac: Add --enable-plugin support.
4836         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4837         * Makefile.in (PLUGIN_H): Define.
4838         Export ENABLE_PLUGIN and GMPINC to site.exp.
4839         Add PLUGINLIBS to link command.
4840         Add/modify dependencies for plugin.o and files including plugin.h.
4841         (plugin.o): New.
4842         * config.in: Regenerate.
4843
4844         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4845         OPT_fplugin_arg_.
4846
4847 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4848
4849         * tree-pass.h (register_one_dump_file): Add a prototype for
4850         register_one_dump_file.
4851         * toplev.c (compile_file): Call initialize_plugins.
4852         (do_compile): Call invoke_plugin_callbacks.
4853         (toplev_main): Call invoke_plugin_callbacks.
4854         * common.opt: Add -fplugin= and -fplugin-arg-.
4855         * gcc-plugin.h: New public header file for plugins to include.
4856         * plugin.c: New source file.
4857         * plugin.h: New internal header file.
4858         * passes.c (register_one_dump_file): Make it external.
4859
4860         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4861
4862 2009-04-14  Diego Novillo  <dnovillo@google.com>
4863
4864         * doc/plugins.texi: New.
4865         * doc/gccint.texi: Add reference to Plugins chapter.
4866         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4867         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4868         loaded plugins, if any.
4869         * timevar.def (TV_PLUGIN_INIT): Define.
4870         (TV_PLUGIN_RUN): Define.
4871         * plugin.c: Include timevar.h
4872         (plugins_active_p): New.
4873         (dump_active_plugins): New.
4874         (debug_active_plugins): New.
4875
4876 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4877
4878         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4879         library paths.
4880         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4881
4882 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4883
4884         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4885         the same as a minus without a shift.
4886
4887 2009-04-14  Nick Clifton  <nickc@redhat.com>
4888
4889         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4890         comparisons with small integers will always produce a short
4891         branch.
4892
4893 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4894
4895         Merge:
4896         2008-12-19  Diego Novillo  <dnovillo@google.com>
4897
4898         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4899
4900 2009-04-14  Richard Guenther  <rguenther@suse.de>
4901
4902         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4903         verification.
4904         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4905         rotates correctly.
4906         (verify_gimple_phi): Print the mismatched argument position.
4907         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4908         Fix types.
4909         (vect_update_init_of_dr): Likewise.
4910         * matrix-reorg.c (transform_access_sites): Do what the
4911         comment suggests.
4912         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4913
4914 2009-04-13  Michael Eager  <eager@eagercon.com>
4915
4916         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4917         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4918         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4919         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4920         remove duplicate config
4921
4922 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4923
4924         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4925         file_name:line_number type locator of the call site.
4926
4927 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4928
4929         * genautomata.c: Put blank after comma.
4930         (automaton_decls): New.
4931         (struct unit_usage): Add comments to member next.
4932         (store_alt_unit_usage): Keep the list ordered.
4933         (unit_present_on_list_p, equal_alternatives_p): New.
4934         (check_regexp_units_distribution): Check units distribution
4935         correctness correctly.
4936         (main): Don't write automata if error is found.  Return correct
4937         exit code.
4938
4939         * config/m68k/cf.md (cfv4_ds): Remove.
4940         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4941         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4942
4943         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4944         power4-load-ext, power4-store, power4-store-update,
4945         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4946         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4947         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4948         power4-sqrt, power4-isync): Modify reservation to make correct
4949         unit distribution to automata.
4950
4951         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4952         power5-store-update, power5-two, power5-three, power5-lmul,
4953         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4954
4955 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4956
4957         * except.c (pass_set_nothrow_function_flags): Set name and add
4958         TODO_dump_func.
4959         (set_nothrow_function_flags): Mention in the dump file when
4960         changing a function to nothrow.
4961
4962 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4963
4964         PR/39066
4965         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4966         instead of unsigned long.
4967
4968 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4969
4970         * config/arm/arm.c (return_used_this_function): Remove.
4971         (arm_output_function_prologue): Remove use of
4972         return_used_this_function.
4973         (output_return_instruction): Replace use of
4974         return_used_this_function
4975         by cfun->machine->return_used_this_function.
4976         (arm_output_epilogue): Likewise.
4977         (arm_output_function_epilogue): Likewise.
4978         (thumb_unexpanded_epilogue): Likewise.
4979         * config/arm/arm.h (struct machine_function):
4980         New member return_used_this_function.
4981
4982 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4983
4984         * doc/install.texi: Correct description of default directory for
4985         --with-gxx-include-dir.
4986
4987 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4988
4989         * fold-const.c (build_range_check): Properly deal with enumeral and
4990         boolean base types.
4991
4992 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4993
4994         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4995         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4996         * params.h (MAX_GCSE_PASSES): Remove.
4997         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4998         in sequence.  Remove ability to run multiple passes.
4999         (bypass_jumps): Report run as third CPROP pass.
5000
5001 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5002
5003         PR middle-end/39651
5004         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5005         when deciding whether the whole SEQUENCE can throw.
5006
5007 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5008
5009         PR target/39740
5010         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5011         offseted label references.
5012
5013 2009-04-11  Jan Hubicka  <jh@suse.cz>
5014
5015         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5016
5017 2009-04-11  Richard Guenther  <rguenther@suse.de>
5018
5019         PR middle-end/39732
5020         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5021         return variables as TREE_ADDRESSABLE.
5022
5023 2009-04-11  Richard Guenther  <rguenther@suse.de>
5024
5025         PR tree-optimization/39713
5026         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5027         reference trees have SSA_NAME operands.
5028
5029 2009-04-11  Richard Guenther  <rguenther@suse.de>
5030
5031         PR c/39712
5032         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5033         address expressions.
5034
5035 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5036
5037         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5038         match changes in Cygwin 1.7
5039         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5040         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5041
5042 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5043
5044         PR tree-optimization/39701
5045         * doc/invoke.texi (Optimization Options): Document change in
5046         meaning and initialization of -fdelete-null-pointer-checks.
5047
5048 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5049
5050         PR middle-end/39701
5051         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5052
5053         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5054         here.
5055
5056         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5057
5058 2009-04-10  Chao-ying Fu  <fu@mips.com>
5059
5060         * doc/tm.texi (Instruction Output): Document
5061         TARGET_ASM_FINAL_POSTSCAN_INSN.
5062         * target.h (final_postscan_insn): New field in asm_out.
5063         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5064         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5065         * final.c (final_scan_insn): Call
5066         targetm.asm_out.final_postscan_insn after outputting
5067         an asm macro and a normal instruction.
5068
5069         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5070         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5071         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5072         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5073         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5074
5075 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5076
5077         PR middle-end/39701
5078         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5079         variables as non-NULL even with -fdelete-null-pointer-checks.
5080
5081 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5082
5083         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5084
5085 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5086
5087         PR target/39678
5088         * config/i386/i386.c (classify_argument): Handle SCmode with
5089         (bit_offset % 64) != 0.
5090
5091 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5092
5093         * doc/invoke.texi (Optimize Options): Add cross-reference to
5094         -Q --help=optimizers examples.
5095
5096 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5097
5098         PR target/36800
5099         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5100         regalign for the reg == fpr and TDmode case.
5101
5102 2009-04-09  David Ayers  <ayers@fsfe.org>
5103
5104         PR objc/29200
5105         * objc/objc-act.c (warn_with_method): Remove helper function.
5106         (check_duplicates): Call warning and inform directly.
5107         (really_start_method): Likewise.
5108
5109 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5110
5111         * expmed.c (expand_divmod): Always use a comparison for a division
5112         by a large unsigned integer.
5113
5114         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5115         for things others than variables or functions as nonzero.
5116
5117 2009-04-09  Nick Clifton  <nickc@redhat.com>
5118
5119         * unwind-compat.c: Change copyright header to refer to version
5120         3 of the GNU General Public License with version 3.1 of the
5121         GCC Runtime Library Exception and to point readers at the
5122         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5123         * config/alpha/crtfastmath.c: Likewise.
5124         * config/alpha/linux-unwind.h: Likewise.
5125         * config/alpha/qrnnd.asm: Likewise.
5126         * config/alpha/vms-crt0-64.c: Likewise.
5127         * config/alpha/vms-crt0.c: Likewise.
5128         * config/alpha/vms-dwarf2.asm: Likewise.
5129         * config/alpha/vms-dwarf2eh.asm: Likewise.
5130         * config/alpha/vms-psxcrt0-64.c: Likewise.
5131         * config/alpha/vms-psxcrt0.c: Likewise.
5132         * config/alpha/vms_tramp.asm: Likewise.
5133         * config/arc/initfini.c: Likewise.
5134         * config/arc/lib1funcs.asm: Likewise.
5135         * config/arm/bpabi-v6m.S: Likewise.
5136         * config/arm/bpabi.S: Likewise.
5137         * config/arm/bpabi.c: Likewise.
5138         * config/arm/crti.asm: Likewise.
5139         * config/arm/crtn.asm: Likewise.
5140         * config/arm/ieee754-df.S: Likewise.
5141         * config/arm/ieee754-sf.S: Likewise.
5142         * config/arm/lib1funcs.asm: Likewise.
5143         * config/arm/libunwind.S: Likewise.
5144         * config/arm/linux-atomic.c: Likewise.
5145         * config/arm/mmintrin.h: Likewise.
5146         * config/arm/pr-support.c: Likewise.
5147         * config/arm/unaligned-funcs.c: Likewise.
5148         * config/arm/unwind-arm.c: Likewise.
5149         * config/arm/unwind-arm.h: Likewise.
5150         * config/avr/libgcc.S: Likewise.
5151         * config/bfin/crti.s: Likewise.
5152         * config/bfin/crtlibid.s: Likewise.
5153         * config/bfin/crtn.s: Likewise.
5154         * config/bfin/lib1funcs.asm: Likewise.
5155         * config/bfin/linux-unwind.h: Likewise.
5156         * config/cris/arit.c: Likewise.
5157         * config/cris/cris_abi_symbol.c: Likewise.
5158         * config/darwin-64.c: Likewise.
5159         * config/darwin-crt2.c: Likewise.
5160         * config/darwin-crt3.c: Likewise.
5161         * config/darwin.h: Likewise.
5162         * config/dbxelf.h: Likewise.
5163         * config/dfp-bit.c: Likewise.
5164         * config/dfp-bit.h: Likewise.
5165         * config/elfos.h: Likewise.
5166         * config/fixed-bit.c: Likewise.
5167         * config/fixed-bit.h: Likewise.
5168         * config/fp-bit.c: Likewise.
5169         * config/fp-bit.h: Likewise.
5170         * config/fr30/crti.asm: Likewise.
5171         * config/fr30/crtn.asm: Likewise.
5172         * config/fr30/lib1funcs.asm: Likewise.
5173         * config/freebsd-spec.h: Likewise.
5174         * config/frv/cmovd.c: Likewise.
5175         * config/frv/cmovh.c: Likewise.
5176         * config/frv/cmovw.c: Likewise.
5177         * config/frv/frvbegin.c: Likewise.
5178         * config/frv/frvend.c: Likewise.
5179         * config/frv/lib1funcs.asm: Likewise.
5180         * config/glibc-stdint.h: Likewise.
5181         * config/h8300/clzhi2.c: Likewise.
5182         * config/h8300/crti.asm: Likewise.
5183         * config/h8300/crtn.asm: Likewise.
5184         * config/h8300/ctzhi2.c: Likewise.
5185         * config/h8300/fixunssfsi.c: Likewise.
5186         * config/h8300/lib1funcs.asm: Likewise.
5187         * config/h8300/parityhi2.c: Likewise.
5188         * config/h8300/popcounthi2.c: Likewise.
5189         * config/i386/ammintrin.h: Likewise.
5190         * config/i386/att.h: Likewise.
5191         * config/i386/avxintrin.h: Likewise.
5192         * config/i386/biarch64.h: Likewise.
5193         * config/i386/bmmintrin.h: Likewise.
5194         * config/i386/cpuid.h: Likewise.
5195         * config/i386/cross-stdarg.h: Likewise.
5196         * config/i386/crtfastmath.c: Likewise.
5197         * config/i386/crtprec.c: Likewise.
5198         * config/i386/cygming-crtbegin.c: Likewise.
5199         * config/i386/cygming-crtend.c: Likewise.
5200         * config/i386/cygwin.asm: Likewise.
5201         * config/i386/emmintrin.h: Likewise.
5202         * config/i386/gmm_malloc.h: Likewise.
5203         * config/i386/gthr-win32.c: Likewise.
5204         * config/i386/i386.h: Likewise.
5205         * config/i386/immintrin.h: Likewise.
5206         * config/i386/linux-unwind.h: Likewise.
5207         * config/i386/linux64.h: Likewise.
5208         * config/i386/mm3dnow.h: Likewise.
5209         * config/i386/mmintrin-common.h: Likewise.
5210         * config/i386/mmintrin.h: Likewise.
5211         * config/i386/nmmintrin.h: Likewise.
5212         * config/i386/pmm_malloc.h: Likewise.
5213         * config/i386/pmmintrin.h: Likewise.
5214         * config/i386/smmintrin.h: Likewise.
5215         * config/i386/sol2-c1.asm: Likewise.
5216         * config/i386/sol2-ci.asm: Likewise.
5217         * config/i386/sol2-cn.asm: Likewise.
5218         * config/i386/sol2-gc1.asm: Likewise.
5219         * config/i386/tmmintrin.h: Likewise.
5220         * config/i386/unix.h: Likewise.
5221         * config/i386/w32-unwind.h: Likewise.
5222         * config/i386/wmmintrin.h: Likewise.
5223         * config/i386/x86-64.h: Likewise.
5224         * config/i386/x86intrin.h: Likewise.
5225         * config/i386/xmmintrin.h: Likewise.
5226         * config/ia64/crtbegin.asm: Likewise.
5227         * config/ia64/crtend.asm: Likewise.
5228         * config/ia64/crtfastmath.c: Likewise.
5229         * config/ia64/crti.asm: Likewise.
5230         * config/ia64/crtn.asm: Likewise.
5231         * config/ia64/fde-glibc.c: Likewise.
5232         * config/ia64/lib1funcs.asm: Likewise.
5233         * config/ia64/linux-unwind.h: Likewise.
5234         * config/ia64/quadlib.c: Likewise.
5235         * config/ia64/unwind-ia64.c: Likewise.
5236         * config/linux.h: Likewise.
5237         * config/m32c/m32c-lib1.S: Likewise.
5238         * config/m32c/m32c-lib2-trapv.c: Likewise.
5239         * config/m32c/m32c-lib2.c: Likewise.
5240         * config/m32r/initfini.c: Likewise.
5241         * config/m68hc11/larith.asm: Likewise.
5242         * config/m68hc11/m68hc11-crt0.S: Likewise.
5243         * config/m68k/cf.md: Likewise.
5244         * config/m68k/crti.s: Likewise.
5245         * config/m68k/crtn.s: Likewise.
5246         * config/m68k/lb1sf68.asm: Likewise.
5247         * config/m68k/linux-unwind.h: Likewise.
5248         * config/mcore/crti.asm: Likewise.
5249         * config/mcore/crtn.asm: Likewise.
5250         * config/mcore/lib1.asm: Likewise.
5251         * config/mips/linux-unwind.h: Likewise.
5252         * config/mips/loongson.h: Likewise.
5253         * config/mips/mips16.S: Likewise.
5254         * config/mmix/crti.asm: Likewise.
5255         * config/mmix/crtn.asm: Likewise.
5256         * config/pa/fptr.c: Likewise.
5257         * config/pa/hpux-unwind.h: Likewise.
5258         * config/pa/lib2funcs.asm: Likewise.
5259         * config/pa/linux-atomic.c: Likewise.
5260         * config/pa/linux-unwind.h: Likewise.
5261         * config/pa/milli64.S: Likewise.
5262         * config/pa/quadlib.c: Likewise.
5263         * config/pa/stublib.c: Likewise.
5264         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5265         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5266         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5267         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5268         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5269         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5270         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5271         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5272         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5273         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5274         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5275         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5276         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5277         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5278         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5279         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5280         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5281         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5282         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5283         * config/rs6000/750cl.h: Likewise.
5284         * config/rs6000/altivec.h: Likewise.
5285         * config/rs6000/biarch64.h: Likewise.
5286         * config/rs6000/crtresfpr.asm: Likewise.
5287         * config/rs6000/crtresgpr.asm: Likewise.
5288         * config/rs6000/crtresxfpr.asm: Likewise.
5289         * config/rs6000/crtresxgpr.asm: Likewise.
5290         * config/rs6000/crtsavfpr.asm: Likewise.
5291         * config/rs6000/crtsavgpr.asm: Likewise.
5292         * config/rs6000/darwin-asm.h: Likewise.
5293         * config/rs6000/darwin-fallback.c: Likewise.
5294         * config/rs6000/darwin-fpsave.asm: Likewise.
5295         * config/rs6000/darwin-ldouble.c: Likewise.
5296         * config/rs6000/darwin-tramp.asm: Likewise.
5297         * config/rs6000/darwin-unwind.h: Likewise.
5298         * config/rs6000/darwin-vecsave.asm: Likewise.
5299         * config/rs6000/darwin-world.asm: Likewise.
5300         * config/rs6000/e500crtres32gpr.asm: Likewise.
5301         * config/rs6000/e500crtres64gpr.asm: Likewise.
5302         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5303         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5304         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5305         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5306         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5307         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5308         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5309         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5310         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5311         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5312         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5313         * config/rs6000/eabi-ci.asm: Likewise.
5314         * config/rs6000/eabi-cn.asm: Likewise.
5315         * config/rs6000/eabi.asm: Likewise.
5316         * config/rs6000/linux-unwind.h: Likewise.
5317         * config/rs6000/linux64.h: Likewise.
5318         * config/rs6000/paired.h: Likewise.
5319         * config/rs6000/paired.md: Likewise.
5320         * config/rs6000/ppc64-fp.c: Likewise.
5321         * config/rs6000/ppu_intrinsics.h: Likewise.
5322         * config/rs6000/rs6000.h: Likewise.
5323         * config/rs6000/si2vmx.h: Likewise.
5324         * config/rs6000/sol-ci.asm: Likewise.
5325         * config/rs6000/sol-cn.asm: Likewise.
5326         * config/rs6000/spe.h: Likewise.
5327         * config/rs6000/spu2vmx.h: Likewise.
5328         * config/rs6000/sysv4.h: Likewise.
5329         * config/rs6000/tramp.asm: Likewise.
5330         * config/rs6000/vec_types.h: Likewise.
5331         * config/s390/linux-unwind.h: Likewise.
5332         * config/s390/tpf-unwind.h: Likewise.
5333         * config/score/crti.asm: Likewise.
5334         * config/score/crtn.asm: Likewise.
5335         * config/sh/crt1.asm: Likewise.
5336         * config/sh/crti.asm: Likewise.
5337         * config/sh/crtn.asm: Likewise.
5338         * config/sh/divtab-sh4-300.c: Likewise.
5339         * config/sh/divtab-sh4.c: Likewise.
5340         * config/sh/divtab.c: Likewise.
5341         * config/sh/lib1funcs-4-300.asm: Likewise.
5342         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5343         * config/sh/lib1funcs.asm: Likewise.
5344         * config/sh/lib1funcs.h: Likewise.
5345         * config/sh/linux-atomic.asm: Likewise.
5346         * config/sh/linux-unwind.h: Likewise.
5347         * config/sh/shmedia.h: Likewise.
5348         * config/sh/sshmedia.h: Likewise.
5349         * config/sh/ushmedia.h: Likewise.
5350         * config/sparc/crtfastmath.c: Likewise.
5351         * config/sparc/linux-unwind.h: Likewise.
5352         * config/sparc/sol2-c1.asm: Likewise.
5353         * config/sparc/sol2-ci.asm: Likewise.
5354         * config/sparc/sol2-cn.asm: Likewise.
5355         * config/spu/divmodti4.c: Likewise.
5356         * config/spu/divv2df3.c: Likewise.
5357         * config/spu/float_disf.c: Likewise.
5358         * config/spu/float_unsdidf.c: Likewise.
5359         * config/spu/float_unsdisf.c: Likewise.
5360         * config/spu/float_unssidf.c: Likewise.
5361         * config/spu/mfc_multi_tag_release.c: Likewise.
5362         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5363         * config/spu/mfc_tag_release.c: Likewise.
5364         * config/spu/mfc_tag_reserve.c: Likewise.
5365         * config/spu/mfc_tag_table.c: Likewise.
5366         * config/spu/multi3.c: Likewise.
5367         * config/spu/spu_internals.h: Likewise.
5368         * config/spu/spu_intrinsics.h: Likewise.
5369         * config/spu/spu_mfcio.h: Likewise.
5370         * config/spu/vec_types.h: Likewise.
5371         * config/spu/vmx2spu.h: Likewise.
5372         * config/stormy16/stormy16-lib2.c: Likewise.
5373         * config/svr4.h: Likewise.
5374         * config/sync.c: Likewise.
5375         * config/v850/lib1funcs.asm: Likewise.
5376         * config/vxlib-tls.c: Likewise.
5377         * config/vxlib.c: Likewise.
5378         * config/vxworks-dummy.h: Likewise.
5379         * config/xtensa/crti.asm: Likewise.
5380         * config/xtensa/crtn.asm: Likewise.
5381         * config/xtensa/ieee754-df.S: Likewise.
5382         * config/xtensa/ieee754-sf.S: Likewise.
5383         * config/xtensa/lib1funcs.asm: Likewise.
5384         * config/xtensa/lib2funcs.S: Likewise.
5385         * config/xtensa/linux-unwind.h: Likewise.
5386         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5387         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5388         * coretypes.h: Likewise.
5389         * crtstuff.c: Likewise.
5390         * defaults.h: Likewise.
5391         * dwarf2.h: Likewise.
5392         * emutls.c: Likewise.
5393         * gbl-ctors.h: Likewise.
5394         * gcov-io.h: Likewise.
5395         * ginclude/float.h: Likewise.
5396         * ginclude/iso646.h: Likewise.
5397         * ginclude/stdarg.h: Likewise.
5398         * ginclude/stdbool.h: Likewise.
5399         * ginclude/stddef.h: Likewise.
5400         * ginclude/stdfix.h: Likewise.
5401         * ginclude/stdint-gcc.h: Likewise.
5402         * ginclude/tgmath.h: Likewise.
5403         * gthr-aix.h: Likewise.
5404         * gthr-dce.h: Likewise.
5405         * gthr-gnat.c: Likewise.
5406         * gthr-gnat.h: Likewise.
5407         * gthr-lynx.h: Likewise.
5408         * gthr-mipssde.h: Likewise.
5409         * gthr-nks.h: Likewise.
5410         * gthr-posix.c: Likewise.
5411         * gthr-posix.h: Likewise.
5412         * gthr-posix95.h: Likewise.
5413         * gthr-rtems.h: Likewise.
5414         * gthr-single.h: Likewise.
5415         * gthr-solaris.h: Likewise.
5416         * gthr-tpf.h: Likewise.
5417         * gthr-vxworks.h: Likewise.
5418         * gthr-win32.h: Likewise.
5419         * gthr.h: Likewise.
5420         * libgcc2.c: Likewise.
5421         * libgcc2.h: Likewise.
5422         * libgcov.c: Likewise.
5423         * tsystem.h: Likewise.
5424         * typeclass.h: Likewise.
5425         * unwind-c.c: Likewise.
5426         * unwind-compat.h: Likewise.
5427         * unwind-dw2-fde-compat.c: Likewise.
5428         * unwind-dw2-fde-darwin.c: Likewise.
5429         * unwind-dw2-fde-glibc.c: Likewise.
5430         * unwind-dw2-fde.c: Likewise.
5431         * unwind-dw2-fde.h: Likewise.
5432         * unwind-dw2.c: Likewise.
5433         * unwind-dw2.h: Likewise.
5434         * unwind-generic.h: Likewise.
5435         * unwind-pe.h: Likewise.
5436         * unwind-sjlj.c: Likewise.
5437         * unwind.inc: Likewise.
5438         * config/arm/neon-gen.ml: Change generated copyright header to
5439         refer to version 3 of the GNU General Public License with
5440         version 3.1 of the GCC Runtime Library Exception and to point
5441         readers at the COPYING3 and COPYING3.RUNTIME files and the
5442         FSF's license web page.
5443         * config/arm/arm_neon.h: Regenerate.
5444
5445 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5446
5447         * config/cris/cris.md: Change copyright header to refer to version
5448         3 of the GNU General Public License.
5449         * doc/install.texi2html: Change copyright header to refer to version
5450         3 of the GNU General Public License and to point readers at the
5451         COPYING3 file and the FSF's license web page.
5452         * config/vax/linux.h: Likewise.
5453
5454 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5455
5456         * config/i386/i386.md (cmpcc): New.
5457         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5458         (sync_compare_and_swap_cc*): Delete.
5459
5460         * config/s390/s390.c (s390_compare_emitted): Remove.
5461         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5462         s390_compare_emitted used to be handled.  Assert that modes match.
5463         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5464         refer to sync_compare_and_swap_ccsi.
5465         * config/s390/s390.h (s390_compare_emitted): Remove.
5466         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5467         instead of s390_compare_emitted.
5468         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5469         instead of s390_compare_emitted.
5470         * config/s390/s390.md (cmpcc): New.
5471         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5472         CC_REGNUM, do not pretend it's set.
5473         (sync_compare_and_swap_cc*): Delete.
5474         * config/s390/predicates.md (cc_reg_operand): New.
5475
5476         * expr.c (sync_compare_and_swap_cc): Delete.
5477         * optabs.h (sync_compare_and_swap_cc): Delete.
5478         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5479         is being used with can_compare_p.
5480         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5481         (find_cc_set): New.
5482         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5483         look for a MODE_CC set instead.  Use emit_store_flag.
5484         (expand_compare_and_swap_loop): Likewise, with some additional
5485         complication to avoid a force_reg when useless.  Use
5486         emit_cmp_and_jump_insns.
5487         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5488         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5489         sync_compare_and_swap documentation.
5490
5491 2009-04-09  Jan Hubicka  <jh@suse.cz>
5492
5493         * except.c (find_prev_try): Break out from ....
5494         (duplicate_eh_regions): ... here; properly update prev_try pointers
5495         when duplication part of tree.
5496         (dump_eh_tree): Improve dumping.
5497         (verify_eh_region): New.
5498         (verify_eh_tree): Use it.
5499
5500 2009-04-06  Richard Guenther  <rguenther@suse.de>
5501
5502         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5503         &ARRAY addresses by adjusting their types and prepending
5504         a conversion.
5505         * tree-cfg.c (verify_gimple_assign_single): Verify that
5506         addresses are correct.
5507
5508 2009-04-09  Richard Guenther  <rguenther@suse.de>
5509
5510         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5511         indices into an array reference if possible.
5512         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5513         Fold POINTER_PLUS_EXPR statements with invariant address.
5514
5515 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5516
5517         PR target/39634
5518         * config.gcc (powerpc64-*-linux*): Always build biarch.
5519
5520 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5521
5522         PR c/39613
5523         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5524         it and pedwarn if this results in an INTEGER_CST.
5525
5526 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5527
5528         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5529         text in MPFR section.
5530
5531 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5532
5533         * dwarf2out.c (class_scope_p): New static inline.
5534         (class_or_namespace_scope_p): Use it.
5535         (gen_variable_die): Use DW_TAG_member tag for static data member
5536         declarations instead of DW_TAG_variable.
5537
5538         PR middle-end/39573
5539         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5540         variables.
5541
5542 2009-04-08  Richard Guenther  <rguenther@suse.de>
5543
5544         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5545         valueize random data.
5546
5547 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5548
5549         * config.gcc (aix tm_file):  Add aix-stdint.h.
5550         (aix tm clause use_gcc_stdint):  Set to wrap.
5551         * config/rs6000/aix-stdint.h:  New file.
5552
5553 2009-04-08  Richard Guenther  <rguenther@suse.de>
5554
5555         PR middle-end/36291
5556         * tree-dfa.c (add_referenced_var): Do not recurse into
5557         global initializers.
5558         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5559         exposed variables.
5560         (fold_const_aggregate_ref): Likewise.
5561
5562 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5563
5564         * recog.c (ordered_comparison_operator): New.
5565         * gensupport.c (std_preds): Add it.
5566         * doc/md.texi (Machine-Independent Predicates): Document it.
5567
5568 2009-04-08  Jan Hubicka  <jh@suse.cz>
5569
5570         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5571         * function.h (rtl_eh): Remove exception_handler_label_map.
5572         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5573         remove_exception_handler_label, for_each_eh_label_1): Remove.
5574         (rtl_remove_unreachable_regions): Remove.
5575         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5576         (find_exception_handler_labels): Don't build the hashtable.
5577         (maybe_remove_eh_handler): Remove.
5578         (for_each_eh_label): Rewrite to walk the tree.
5579         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5580         * except.h (maybe_remove_eh_handler): Remove.
5581         * passes.c (init_optimization_passes): Schedule second EH cleanup
5582         before out-of-ssa.
5583         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5584         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5585
5586 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5587
5588         * genoutput.c (validate_optab_operands): New.
5589         (gen_insn, gen_expand): Call it.
5590
5591         * genflags.c (gen_insn): Detect misused iterators.
5592         (main): Pass line_no to gen_insn, exit with status 1 on error.
5593
5594         * genextract.c (line_no): Make global.
5595         (VEC_safe_set_locstr): Change assertion to error message.
5596         (main): Exit with status 1 on error.
5597
5598 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5599
5600         PR c/39614
5601         PR c/39673
5602         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5603         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5604         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5605         * c-convert.c (convert): Do not call fold on results of conversion
5606         functions when the result is a C_MAYBE_CONST_EXPR.
5607         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5608         of __builtin_choose_expr.
5609         * c-typeck.c (remove_c_maybe_const_expr): New.
5610         (build_unary_op, build_conditional_expr, build_compound_expr,
5611         build_binary_op, c_objc_common_truthvalue_conversion): Call
5612         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5613         integer operands.
5614
5615 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5616
5617         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5618         CODE to produce a new one. Add a prototype to use fold_convert_const
5619
5620 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5621
5622         PR bootstrap/39660
5623         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5624         mix declarations and code.
5625
5626 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5627
5628         * gcc.c: Replace `CC' with `GCC' throughout.
5629
5630 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5631
5632         * doc/invoke.texi: Document Atom support.
5633
5634 2009-04-07  Jason Merrill  <jason@redhat.com>
5635
5636         PR c++/25185
5637         * c-common.h, c-common.c: Add flag_pretty_templates.
5638         * c-opts.c (c_common_handle_option): Set it.
5639         * c.opt: Add -fno-pretty-templates.
5640         * doc/invoke.texi (C++ Dialect Options): Likewise.
5641
5642 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5643
5644         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5645         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5646         (ia64_expand_builtin): Likewise.
5647
5648 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5649
5650         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5651         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5652         ADDR_EXPRS are include too.
5653
5654 2009-04-07  Richard Guenther  <rguenther@suse.de>
5655
5656         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5657         decls are only used if passes as parameters or if they are
5658         local statics and the call is not to a builtin.
5659         (call_may_clobber_ref_p_1): Likewise.
5660
5661 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5662
5663         * expr.c (do_store_flag): Remove last argument.  Simplify code
5664         to avoid duplication of tests already done by can_compare_p.
5665         (expand_expr_real_1): Adjust caller.
5666
5667 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5668
5669         * optabs.c (can_compare_p): Test the predicate of a
5670         cbranch and cstore pattern.
5671
5672 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5673
5674         * expr.c (convert_move): Use emit_store_flag instead of
5675         "emulating" it.
5676
5677 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5678
5679         * config/i386/i386.c (ix86_compare_emitted): Remove.
5680         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5681         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5682         * config/i386/i386.h (ix86_compare_emitted): Remove.
5683         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5684         instead of ix86_compare_emitted.
5685         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5686
5687 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5688
5689         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5690         Add t-sysroot-suffix to tmake_file.
5691         * config/print-sysroot-suffix.sh: New file.
5692         * config/t-sysroot-suffix: New file.
5693
5694 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5695
5696         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5697         as the latter produces a warning when the target does not support
5698         infinity.
5699
5700 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5701
5702         * dfp.c: Replace type punning assignments with memcpy throughout.
5703         * Makefile.in (dfp.o-warn): Remove.
5704
5705 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5706
5707         PR target/39634
5708         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5709         Include soft-fp/t-softfp after rs6000/t-linux64.
5710
5711 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5712
5713         * stor-layout.c (set_sizetype): Use the full precision of their
5714         machine mode for bitsize types.
5715
5716 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5717
5718         * config/i386/i386.md: Revert 2 accidental checkins.
5719
5720 2009-04-06  Joey Ye  <joey.ye@intel.com>
5721             Xuepeng Guo  <xuepeng.guo@intel.com>
5722             H.J. Lu  <hongjiu.lu@intel.com>
5723
5724         Atom pipeline model, tuning and insn selection.
5725         * config.gcc (atom): Add atom config options and target.
5726
5727         * config/i386/atom.md: New.
5728
5729         * config/i386/i386.c (atom_cost): New cost.
5730         (m_ATOM): New macro flag.
5731         (initial_ix86_tune_features): Set m_ATOM.
5732         (x86_accumulate_outgoing_args): Likewise.
5733         (x86_arch_always_fancy_math_387): Likewise.
5734         (processor_target): Add Atom cost.
5735         (cpu_names): Add Atom cpu name.
5736         (override_options): Set Atom ISA.
5737         (ix86_issue_rate): New case PROCESSOR_ATOM.
5738         (ix86_adjust_cost): Likewise.
5739
5740         * config/i386/i386.h (TARGET_ATOM): New target macro.
5741         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5742         (TARGET_OPT_AGU): New target option.
5743         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5744         (processor_type): Add PROCESSOR_ATOM.
5745
5746         * config/i386/i386.md (cpu): Add new value "atom".
5747         (use_carry, movu): New attr.
5748         (atom.md): Include atom.md.
5749         (adddi3_carry_rex64): Set attr "use_carry".
5750         (addqi3_carry): Likewise.
5751         (addhi3_carry): Likewise.
5752         (addsi3_carry): Likewise.
5753         (*addsi3_carry_zext): Likewise.
5754         (subdi3_carry_rex64): Likewise.
5755         (subqi3_carry): Likewise.
5756         (subhi3_carry): Likewise.
5757         (subsi3_carry): Likewise.
5758         (x86_movdicc_0_m1_rex64): Likewise.
5759         (*x86_movdicc_0_m1_se): Likewise.
5760         (x86_movsicc_0_m1): Likewise.
5761         (*x86_movsicc_0_m1_se): Likewise.
5762         (*adddi_1_rex64): Emit add insn as much as possible.
5763         (*addsi_1): Likewise.
5764         (return_internal): Set atom_unit.
5765         (return_internal_long): Likewise.
5766         (return_pop_internal): Likewise.
5767         (*rcpsf2_sse): Set atom_sse_attr attr.
5768         (*qrt<mode>2_sse): Likewise.
5769         (*prefetch_sse): Likewise.
5770
5771         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5772         PROCESSOR_ATOM.
5773         (ix86_target_macros_internal): Likewise.
5774
5775         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5776         (*prefetch_sse_rex): Likewise.
5777         (sse_rcpv4sf2): Likewise.
5778         (sse_vmrcpv4sf2): Likewise.
5779         (sse_sqrtv4sf2): Likewise.
5780         (<sse>_vmsqrt<mode>2): Likewise.
5781         (sse_ldmxcsr): Likewise.
5782         (sse_stmxcsr): Likewise.
5783         (*sse_sfence): Likewise.
5784         (sse2_clflush): Likewise.
5785         (*sse2_mfence): Likewise.
5786         (*sse2_lfence): Likewise.
5787         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5788         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5789         (avx_movdqu<avxmodesuffix>): Likewise.
5790         (avx_lddqu<avxmodesuffix>): Likewise.
5791         (sse2_movntv2di): Change attr "type" to "ssemov".
5792         (sse2_movntsi): Likewise.
5793         (rsqrtv8sf2): Change attr "type" to "sseadd".
5794         (sse3_addsubv2df3): Set attr "atom_unit".
5795         (sse3_h<plusminus_insn>v4sf3): Likewise.
5796         (*sse2_pmaddwd): Likewise.
5797         (*vec_extractv2di_1_rex64): Likewise.
5798         (*vec_extractv2di_1_avx): Likewise.
5799         (sse2_psadbw): Likewise.
5800         (ssse3_phaddwv8hi3): Likewise.
5801         (ssse3_phaddwv4hi3): Likewise.
5802         (ssse3_phadddv4si3): Likewise.
5803         (ssse3_phadddv2si3): Likewise.
5804         (ssse3_phaddswv8hi3): Likewise.
5805         (ssse3_phaddswv4hi3): Likewise.
5806         (ssse3_phsubwv8hi3): Likewise.
5807         (ssse3_phsubwv4hi3): Likewise.
5808         (ssse3_phsubdv4si3): Likewise.
5809         (ssse3_phsubdv2si3): Likewise.
5810         (ssse3_phsubswv8hi3): Likewise.
5811         (ssse3_phsubswv4hi3): Likewise.
5812         (ssse3_pmaddubsw128): Likewise.
5813         (sse3_pmaddubsw: Likewise.
5814         (ssse3_palignrti): Likewise.
5815         (ssse3_palignrdi): Likewise.
5816
5817 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5818
5819         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5820
5821 2009-04-06  Richard Guenther  <rguenther@suse.de>
5822
5823         PR tree-optimization/28868
5824         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5825         of which PHI results we inserted.
5826         (insert_into_preds_of_block): Record inserted PHIs.
5827         (eliminate): Eliminate redundant PHI nodes.
5828         (init_pre): Init inserted_phi_names.
5829
5830 2009-04-06  Richard Guenther  <rguenther@suse.de>
5831
5832         PR tree-optimization/39643
5833         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5834         IMAGPART_EXPRs of complex constants.
5835         (execute_fold_all_builtins): If we folded a call queue
5836         TODO_update_address_taken.
5837
5838 2009-04-06  Jan Hubicka  <jh@suse.cz>
5839
5840         PR middle-end/39659
5841         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5842         flag.
5843
5844 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5845
5846         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5847         delay slot.
5848         (ic_invalidate_array): Likewise.
5849
5850 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5851
5852         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5853         alignment for library calls.
5854
5855 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5856
5857         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5858         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5859         * config/i386/mingw-stdint.h:  New file.
5860
5861 2009-04-05  Richard Guenther  <rguenther@suse.de>
5862
5863         PR tree-optimization/39648
5864         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5865         our &A vs. &A[0] IL deficiencies.
5866
5867 2009-04-04  Jan Hubicka  <jh@suse.cz>
5868
5869         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5870         removed toplevel regions.
5871         (sjlj_mark_call_sites): Likewise.
5872
5873 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5874
5875         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5876         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5877         * config/i386/cygwin-stdint.h:  New file.
5878
5879 2009-04-04  Richard Guenther  <rguenther@suse.de>
5880
5881         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5882         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5883         single-argument PHIs if we are in loop-closed SSA form.
5884         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5885         for the pre-condition.
5886         (slpeel_tree_peel_loop_to_edge): Likewise.
5887         (vect_build_loop_niters): Take an optional sequence to append stmts.
5888         (vect_generate_tmps_on_preheader): Likewise.
5889         (vect_do_peeling_for_loop_bound): Take extra guards for the
5890         pre-condition.
5891         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5892         the cost model check.
5893         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5894         guards if we are going to peel.  Do not apply versioning in that case.
5895         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5896         (vect_do_peeling_for_loop_bound): Likewise.
5897         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5898         loop bound only record extra pre-conditions, do not apply loop
5899         versioning.
5900
5901 2009-04-04  Richard Guenther  <rguenther@suse.de>
5902
5903         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5904         renaming code.
5905
5906 2009-04-04  Jan Hubicka  <jh@suse.cz>
5907
5908         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5909         last_basic_block for size of bb->index indexed array.
5910         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5911         compute_out, link_btr_uses, build_btr_def_use_webs,
5912         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5913
5914 2009-04-04  Jan Hubicka  <jh@suse.cz>
5915
5916         * except.c (remove_eh_handler_and_replace): Break out from ...
5917         (remove_eh_handler): ... here.
5918         (bring_to_root): New function.
5919         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5920         handled ones, bring others to root of tree.
5921
5922 2009-04-04  Jan Hubicka  <jh@suse.cz>
5923
5924         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5925         (all_phis_safe_to_merge): New function.
5926         (update_info): New structure.
5927         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5928         (cleanup_empty_eh): Update SSA if possible.
5929
5930 2009-04-04  Richard Guenther  <rguenther@suse.de>
5931
5932         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5933         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5934         (append_vuse): Likewise.
5935
5936 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5937
5938         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5939         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5940         instead of REG_UNSAVED for DW_CFA_undefined.
5941         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5942         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5943         outermost frame.
5944
5945 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5946
5947         PR target/39501
5948         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5949         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5950         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5951
5952 2009-04-04  Richard Guenther  <rguenther@suse.de>
5953
5954         PR tree-optimization/8781
5955         PR tree-optimization/37892
5956         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5957         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5958         (valueize_refs): Call it for *& valueizations.
5959         (shared_reference_ops_from_ref): Rename to ...
5960         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5961         (shared_reference_ops_from_call): Rename to ...
5962         (valueize_shared_reference_ops_from_call): ... this and valueize.
5963         (vn_reference_lookup): Update.
5964         (visit_reference_op_call): Likewise.
5965         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5966         (eliminate): Value-replace the call address in call statements.
5967
5968 2009-04-04  Richard Guenther  <rguenther@suse.de>
5969
5970         PR tree-optimization/39636
5971         * tree-ssa-forwprop.c
5972         (forward_propagate_addr_into_variable_array_index): Check for
5973         GIMPLE_ASSIGN before accessing the rhs code.
5974
5975 2009-04-03  Jason Merrill  <jason@redhat.com>
5976
5977         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5978
5979 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5980
5981         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5982         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5983         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5984         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5985         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5986         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5987         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5988         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5989         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5990         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5991         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5992         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5993         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5994         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5995         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5996         Use fr_reg_or_fp01_operand instead of fr_register_operand
5997
5998         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5999         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6000         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6001
6002 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6003
6004         PR rtl-optimization/39607
6005         PR rtl-optimization/39631
6006
6007         Revert:
6008
6009         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6010         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6011         instead of DF_LR_OUT.
6012         * ira-lives.c (process_bb_node_lives): Ditto.
6013         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6014         instead of DF_LR_{OUT,IN}.
6015         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6016         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6017
6018 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6019
6020         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6021         (execute_lower_omp): Always run but take the short way out if -fopenmp
6022         is not given.
6023         (gate_lower_omp): Remove, forcing the pass manager to always run the
6024         pass and always set PROP_gimple_lomp.
6025         (pass_lower_omp): Remove gate function.
6026         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6027         PROP_trees.  Instead, require it.
6028         * ipa-cp.c (pass_ipa_cp): Likewise.
6029         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6030         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6031         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6032         and PROP_gimple_leh.
6033
6034 2009-04-03  Richard Guenther  <rguenther@suse.de>
6035
6036         PR middle-end/13146
6037         PR tree-optimization/23940
6038         PR tree-optimization/33237
6039         PR middle-end/33974
6040         PR middle-end/34093
6041         PR tree-optimization/36201
6042         PR tree-optimization/36230
6043         PR tree-optimization/38049
6044         PR tree-optimization/38207
6045         PR tree-optimization/38230
6046         PR tree-optimization/38301
6047         PR tree-optimization/38585
6048         PR middle-end/38895
6049         PR tree-optimization/38985
6050         PR tree-optimization/39299
6051         * tree-ssa-structalias.h: Remove.
6052         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6053         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6054         (struct vuse_element_d): Remove.
6055         (struct vuse_vec_d): Likewise.
6056         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6057         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6058         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6059         VUSE_ELEMENT_VAR): Likewise.
6060         (struct voptype_d): Likewise.
6061         (NUM_VOP_FREE_BUCKETS): Likewise.
6062         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6063         (struct stmt_operands_d): Remove.
6064         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6065         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6066         VDEF_NUM, VDEF_VECT): Likewise.
6067         (copy_virtual_operands): Remove.
6068         (operand_build_cmp): Likewise.
6069         (create_ssa_artificial_load_stmt): Likewise.
6070         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6071         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6072         vuse_index and mayuse_index members.  Pack and move done and iter_type
6073         members to the front.
6074         (SSA_OP_VMAYUSE): Remove.
6075         (SSA_OP_VIRTUAL_USES): Adjust.
6076         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6077         (unlink_stmt_vdef): Declare.
6078         (add_to_addressable_set): Remove.
6079         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6080         (vrp_visit_stmt): Likewise.
6081         * doc/tree-ssa.texi (Alias analysis): Update.
6082         * doc/invoke.texi (max-aliased-vops): Remove docs.
6083         (avg-aliased-vops): Likewise.
6084         * tree-into-ssa.c (syms_to_rename): Remove.
6085         (need_to_update_vops_p): Likewise.
6086         (need_to_initialize_update_ssa_p): Rename to ...
6087         (update_ssa_initialized_fn): ... this.  Track function we are
6088         initialized for.
6089         (symbol_marked_for_renaming): Simplify.
6090         (add_new_name_mapping): Do not set need_to_update_vops_p.
6091         (dump_currdefs): Use SYMS_TO_RENAME.
6092         (rewrite_update_stmt): Always walk all uses/defs.
6093         (dump_update_ssa): Adjust.
6094         (init_update_ssa): Take function argument.  Track what we are
6095         initialized for.
6096         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6097         (create_new_def_for): Initialize for cfun, assert we are initialized
6098         for cfun.
6099         (mark_sym_for_renaming): Simplify.
6100         (mark_set_for_renaming): Do not initialize update-ssa.
6101         (need_ssa_update_p): Simplify.  Take function argument.
6102         (name_mappings_registered_p): Assert we ask for the correct function.
6103         (name_registered_for_update_p): Likewise.
6104         (ssa_names_to_replace): Likewise.
6105         (release_ssa_name_after_update_ssa): Likewise.
6106         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6107         (dump_decl_set): Do not print a newline.
6108         (debug_decl_set): Do it here.
6109         (dump_update_ssa): And here.
6110         * tree-ssa-loop-im.c (move_computations): Adjust.
6111         (movement_possibility): Likewise.
6112         (determine_max_movement): Likewise.
6113         (gather_mem_refs_stmt): Likewise.
6114         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6115         or NAME_MEMORY_TAG.
6116         * tree-complex.c (update_all_vops): Remove.
6117         (expand_complex_move): Adjust.
6118         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6119         Simplify test for memory referencing statement.  Exclude
6120         non-invariant ADDR_EXPRs.
6121         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6122         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6123         (rdg_flag_uses): Likewise.
6124         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6125         related code.
6126         (tree_optimize_tail_calls_1): Also split the
6127         edge from the entry block if we have degenerate PHI nodes in
6128         the first basic block.
6129         * tree.c (init_ttree): Remove memory-tag related code.
6130         (tree_code_size): Likewise.
6131         (tree_node_structure): Likewise.
6132         (build7_stat): Re-write to be build6_stat.
6133         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6134         (SSA_VAR_P): Adjust.
6135         (struct tree_memory_tag): Remove.
6136         (struct tree_memory_partition_tag): Likewise.
6137         (union tree_node): Adjust.
6138         (build7): Re-write to be build6.
6139         * tree-pass.h (pass_reset_cc_flags): Remove.
6140         (TODO_update_address_taken): New flag.
6141         (pass_simple_dse): Remove.
6142         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6143         * params.h (MAX_ALIASED_VOPS): Remove.
6144         (AVG_ALIASED_VOPS): Likewise.
6145         * omp-low.c (expand_omp_taskreg): Update SSA form.
6146         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6147         aliases the lhs in a copy stmt.
6148         * tree-ssa-dse.c (struct address_walk_data): Remove.
6149         (memory_ssa_name_same): Likewise.
6150         (memory_address_same): Likewise.
6151         (get_kill_of_stmt_lhs): Likewise.
6152         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6153         unused stores.  Look through PHI nodes into post-dominated regions.
6154         (dse_optimize_stmt): Simplify.  Properly remove stores.
6155         (tree_ssa_dse): Compute dominators.
6156         (execute_simple_dse): Remove.
6157         (pass_simple_dse): Likewise.
6158         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6159         gimple_loaded_syms and gimple_stored_syms computation.
6160         * toplev.c (dump_memory_report): Dump alias and pta stats.
6161         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6162         (vn_reference_eq): Likewise.
6163         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6164         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6165         valueize_vuses): Remove.
6166         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6167         (get_def_ref_stmt_vuse): ... this.
6168         (vn_reference_lookup_2): New function.
6169         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6170         walking equivalent vuses.  Simplify.
6171         (vn_reference_lookup): Likewise.
6172         (vn_reference_insert): Likewise.
6173         (vn_reference_insert_pieces): Likewise.
6174         (visit_reference_op_call): Simplify.
6175         (visit_reference_op_load): Likewise.
6176         (visit_reference_op_store): Likewise.
6177         (init_scc_vn): Remove shared_lookup_vuses initialization.
6178         (free_scc_vn): Remove shared_lookup_vuses freeing.
6179         (sort_vuses, sort_vuses_heap): Remove.
6180         (get_ref_from_reference_ops): Export.
6181         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6182         vector with single vuse pointer.
6183         (vn_reference_lookup_pieces, vn_reference_lookup,
6184         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6185         (shared_vuses_from_stmt): Remove.
6186         (get_ref_from_reference_ops): Declare.
6187         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6188         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6189         memory-tag related code.
6190         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6191         (likely_value): Add comment, skip static-chain of call statements.
6192         (surely_varying_stmt_p): Adjust.
6193         (gimplify_and_update_call_from_tree): Likewise.
6194         (execute_fold_all_builtins): Do not rebuild alias info.
6195         (gimplify_and_update_call_from_tree): Properly update VOPs.
6196         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6197         (copy_ref_info): Remove memory-tag related code.
6198         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6199         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6200         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6201         computation.
6202         * tree-ssa-dom.c (gimple_p): Remove typedef.
6203         (eliminate_redundant_computations): Adjust.
6204         (record_equivalences_from_stmt): Likewise.
6205         (avail_expr_hash): Likewise.
6206         (avail_expr_eq): Likewise.
6207         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6208         (stmt_makes_single_load): Likewise.
6209         (stmt_makes_single_store): Likewise.
6210         * tree-ssa-alias.c: Rewrite completely.
6211         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6212         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6213         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6214         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6215         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6216         Remove public functions.
6217         (pass_reset_cc_flags): Remove.
6218         (pass_build_alias): Move ...
6219         * tree-ssa-structalias.c (pass_build_alias): ... here.
6220         * tree-ssa-alias.c (may_be_aliased): Move ...
6221         * tree-flow-inline.h (may_be_aliased): ... here.
6222         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6223         count_uses_and_derefs): Move ...
6224         * gimple.c: ... here.
6225         * gimple.h (count_uses_and_derefs): Declare.
6226         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6227         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6228         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6229         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6230         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6231         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6232         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6233         New functions.
6234         * tree-dfa.c (refs_may_alias_p): Move ...
6235         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6236         * tree-ssa-alias.h: New file.
6237         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6238         (statement_sink_location): Likewise.
6239         * opts.c (decode_options): Do not adjust max-aliased-vops or
6240         avg-aliased-vops values.
6241         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6242         (TV_CALL_CLOBBER): Likewise.
6243         (TV_FLOW_SENSITIVE): Likewise.
6244         (TV_FLOW_INSENSITIVE): Likewise.
6245         (TV_MEMORY_PARTITIONING): Likewise.
6246         (TV_ALIAS_STMT_WALK): New timevar.
6247         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6248         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6249         (get_address_description): Remove memory-tag related code.
6250         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6251         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6252         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6253         and immediate uses in statements.  Document.
6254         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6255         (dump_symbols): Remove.
6256         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6257         * alias.c (get_deref_alias_set): New function split out from ...
6258         (get_alias_set): ... here.
6259         * alias.h (get_deref_alias_set): Declare.
6260         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6261         type parameter.  Remove restrict pointer handling.  Create a
6262         ref-all pointer in case type-based alias sets do not conflict.
6263         (vect_analyze_data_refs): Remove SMT related code.
6264         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6265         (vectorizable_load): Likewise.
6266         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6267         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6268         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6269         Ignore vops and SMTs.
6270         (dr_analyze_alias): Likewise..
6271         (free_data_ref): Likewise.
6272         (create_data_ref): Likewise.
6273         (analyze_all_data_dependences): Likewise.
6274         (get_references_in_stmt): Adjust.
6275         * tree-flow-inline.h (gimple_aliases_computed_p,
6276         gimple_addressable_vars, gimple_call_clobbered_vars,
6277         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6278         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6279         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6280         gimple_mem_ref_stats): Remove.
6281         (gimple_vop): New function.
6282         (op_iter_next_use): Remove vuses and mayuses cases.
6283         (op_iter_next_def): Remove vdefs case.
6284         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6285         (clear_and_done_ssa_iter): Do not set removed fields.
6286         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6287         Assert we are not iterating over vuses or vdefs if not also
6288         iterating over uses or defs.
6289         (op_iter_init_use): Likewise.
6290         (op_iter_init_def): Likewise.
6291         (op_iter_next_vdef): Remove.
6292         (op_iter_next_mustdef): Likewise.
6293         (op_iter_init_vdef): Likewise.
6294         (compare_ssa_operands_equal): Likewise.
6295         (link_use_stmts_after): Handle vuse operand.
6296         (is_call_used): Use is_call_clobbered.
6297         (is_call_clobbered): Global variables are always call clobbered,
6298         query the call-clobbers bitmap.
6299         (mark_call_clobbered): Ignore global variables.
6300         (clear_call_clobbered): Likewise.
6301         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6302         virtual operands sanity check.
6303         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6304         Remove.
6305         (TARGET_MEM_REF): Remove TMR_TAG operand.
6306         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6307         Remove call-clobber related code.
6308         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6309         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6310         partitions or escape reason.
6311         (get_single_def_stmt, get_single_def_stmt_from_phi,
6312         get_single_def_stmt_with_phi): Remove.
6313         (dump_referenced_vars): Tidy.
6314         (get_ref_base_and_extent): Allow bare decls.
6315         (collect_dfa_stats): Adjust.
6316         * graphite.c (rename_variables_in_stmt): Adjust.
6317         (graphite_copy_stmts_from_block): Likewise.
6318         (translate_clast): Likewise.
6319         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6320         (EXPR_DIES): New.
6321         (translate_vuse_through_block): Use the oracle.
6322         (phi_translate_1): Adjust.
6323         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6324         in EXPR_DIES.
6325         (valid_in_sets): Check if the VUSE for
6326         a REFERENCE is available.
6327         (eliminate): Do not remove stmts during elimination,
6328         instead queue and remove them afterwards.
6329         (do_pre): Do not rebuild alias info.
6330         (pass_pre): Run TODO_rebuild_alias before PRE.
6331         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6332         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6333         (mark_all_v_defs_stmt): Remove.
6334         (mark_all_v_defs_seq): Adjust.
6335         (sra_replace): Likewise.
6336         (scalarize_use): Likewise.
6337         (scalarize_copy): Likewise.
6338         (scalarize_init): Likewise.
6339         (scalarize_ldst): Likewise.
6340         (todoflags): Remove.
6341         (tree_sra): Do not rebuild alias info.
6342         (tree_sra_early): Adjust.
6343         (pass_sra): Run TODO_update_address_taken before SRA.
6344         * tree-predcom.c (set_alias_info): Remove.
6345         (prepare_initializers_chain): Do not call it.
6346         (mark_virtual_ops_for_renaming): Adjust.
6347         (mark_virtual_ops_for_renaming_list): Remove.
6348         (initialize_root_vars): Adjust.
6349         (initialize_root_vars_lm): Likewise.
6350         (prepare_initializers_chain): Likewise.
6351         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6352         (may_propagate_copy_into_stmt): Likewise.
6353         (merge_alias_info): Do nothing for now.
6354         (propagate_tree_value_into_stmt): Adjust.
6355         (stmt_may_generate_copy): Likewise.
6356         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6357         not mark symbols for renaming.
6358         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6359         with the same statement, make sure to update the new pointed-to one.
6360         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6361         call statements, do not mark symbols for renaming.
6362         (mark_operand_necessary): Dump something.
6363         (ref_may_be_aliased): New function.
6364         (mark_aliased_reaching_defs_necessary_1): New helper function.
6365         (mark_aliased_reaching_defs_necessary): Likewise.
6366         (mark_all_reaching_defs_necessary_1): Likewise.
6367         (mark_all_reaching_defs_necessary): Likewise.
6368         (propagate_necessity): Do not process virtual PHIs.  For
6369         non-aliased loads mark all reaching definitions as necessary.
6370         For aliased loads and stores mark the immediate dominating
6371         aliased clobbers as necessary.
6372         (visited): New global static.
6373         (perform_tree_ssa_dce): Free visited bitmap after propagating
6374         necessity.
6375         (remove_dead_phis): Perform simple dead virtual PHI removal.
6376         (remove_dead_stmt): Properly unlink virtual operands when
6377         removing stores.
6378         (eliminate_unnecessary_stmts): Schedule PHI removal after
6379         stmt removal.
6380         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6381         (process_replaceable): Likewise.
6382         (find_replaceable_in_bb): Likewise.
6383         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6384         based on the single gimple vop.
6385         (verify_flow_insensitive_alias_info): Remove.
6386         (verify_flow_sensitive_alias_info): Likewise.
6387         (verify_call_clobbering): Likewise.
6388         (verify_memory_partitions): Likewise.
6389         (verify_alias_info): Likewise.
6390         (verify_ssa): Adjust..
6391         (execute_update_addresses_taken): Export.  Update SSA
6392         manually.  Optimize only when optimizing.  Use a local bitmap.
6393         (pass_update_address_taken): Remove TODO_update_ssa, add
6394         TODO_dump_func.
6395         (pass_update_address_taken): Just use TODO_update_address_taken.
6396         (init_tree_ssa): Do not initialize addressable_vars.
6397         (verify_ssa): Verify new VUSE / VDEF properties.
6398         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6399         Do not call verify_alias_info.
6400         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6401         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6402         and callused solutions.  Do not free addressable_vars.
6403         Remove memory-tag related code.
6404         (warn_uninitialized_var): Aliases are always available.
6405         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6406         * lambda-code.c (can_put_in_inner_loop): Adjust.
6407         (can_put_after_inner_loop): Likewise.
6408         (perfect_nestify): Likewise.
6409         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6410         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6411         (vectorizable_conversion): Do not mark symbols for renaming.
6412         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6413         (expand_call_inline): Unlink the calls virtual operands before
6414         replacing it.
6415         (tree_function_versioning): Do not call update_ssa if we are not
6416         updating clones.  Simplify.
6417         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6418         (propagate_with_phi): Likewise..
6419         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6420         clobber code.  Assert we are not aliased or global.
6421         * tree-flow.h: Include tree-ssa-alias.h
6422         (enum escape_type): Remove.
6423         (struct mem_sym_stats_d): Likewise.
6424         (struct mem_ref_stats_d): Likewise.
6425         (struct gimple_df): Add vop member.  Remove global_var,
6426         call_clobbered_vars, call_used_vars, addressable_vars,
6427         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6428         escaped and callused members.
6429         (struct ptr_info_def): Remove all members, add points-to solution
6430         member pt.
6431         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6432         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6433         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6434         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6435         (tree-ssa-alias.o): Likewise.
6436         (toplev.o): Add tree-ssa-alias.h
6437         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6438         * gimple.c (gimple_set_bb): Fix off-by-one error.
6439         (is_gimple_reg): Do not handle memory tags.
6440         (gimple_copy): Also copy virtual operands.
6441         Delay updating the statement.  Do not reset loaded and stored syms.
6442         (gimple_set_stored_syms): Remove.
6443         (gimple_set_loaded_syms): Likewise.
6444         (gimple_call_copy_skip_args): Copy the virtual operands
6445         and mark the new statement modified.
6446         * tree-ssa-structalias.c (may_alias_p): Remove.
6447         (set_uids_in_ptset): Take the alias set to prune with as
6448         parameter.  Fold in the alias test of may_alias_p.
6449         (compute_points_to_sets): Compute whether a ptr is dereferenced
6450         in a local sbitmap.
6451         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6452         other ADDRESSOF constraints on the lhs.
6453         (get_constraint_for_component_ref): Assert that we don't get
6454         ADDRESSOF constraints from the base of the reference.
6455         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6456         (struct variable_info): Remove collapsed_to member.
6457         (get_varinfo_fc): Remove.
6458         (new_var_info): Do not set collapsed_to.
6459         (dump_constraint): Do not follow cycles.
6460         (dump_constraint_graph): Likewise.
6461         (build_pred_graph): Likewise.
6462         (build_succ_graph): Likewise.
6463         (rewrite_constraints): Likewise.
6464         (do_simple_structure_copy): Remove.
6465         (do_rhs_deref_structure_copy): Remove.
6466         (do_lhs_deref_structure_copy): Remove.
6467         (collapse_rest_of_var): Remove.
6468         (do_structure_copy): Re-implement.
6469         (pta_stats): New global variable.
6470         (dump_pta_stats): New function.
6471         (struct constraint_expr): Make offset signed.
6472         (UNKNOWN_OFFSET): Define special value.
6473         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6474         (solution_set_expand): New helper function split out from ...
6475         (do_sd_constraint): ... here.
6476         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6477         (do_ds_constraint): Likewise.
6478         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6479         and CALLUSED = *CALLUSED.
6480         (set_union_with_increment): Make inc argument signed.
6481         (type_safe): Remove.
6482         (get_constraint_for_ptr_offset): Handle unknown and negative
6483         constant offsets.
6484         (first_vi_for_offset): Handle offsets before start.  Bail
6485         out early for offsets beyond the variable extent.
6486         (first_or_preceding_vi_for_offset): New function.
6487         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6488         Together with ESCAPED = *ESCAPED this properly computes reachability.
6489         (find_what_var_points_to): New function.
6490         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6491         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6492         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6493         pt_solutions_intersect): New functions.
6494         (compute_call_used_vars): Remove.
6495         (compute_may_aliases): New main entry into PTA computation.
6496         * gimple.h (gimple_p): New typedef.
6497         (struct gimple_statement_base): Remove references_memory_p.
6498         (struct gimple_statement_with_memory_ops_base): Remove
6499         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6500         members.
6501         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6502         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6503         gimple_set_references_memory): Remove.
6504         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6505         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6506         New functions.
6507         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6508         (verify_expr): Allow RESULT_DECL.
6509         (gimple_duplicate_bb): Do not copy virtual operands.
6510         (gimple_duplicate_sese_region): Adjust.
6511         (gimple_duplicate_sese_tail): Likewise.
6512         (mark_virtual_ops_in_region): Remove.
6513         (move_sese_region_to_fn): Do not call it.
6514         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6515         and pass_simple_dse.
6516         (execute_function_todo): Handle TODO_update_address_taken,
6517         call execute_update_addresses_taken for TODO_rebuild_alias.
6518         (execute_todo): Adjust.
6519         (execute_one_pass): Init dump files early.
6520         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6521         call-clobbered.
6522         (create_general_new_stmt): Clear vops.
6523         * tree-ssa-reassoc.c (get_rank): Adjust.
6524         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6525         symbols for renaming.
6526         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6527         (PARAM_AVG_ALIASED_VOPS): Likewise.
6528         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6529         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6530         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6531         (operand_build_cmp, copy_virtual_operands,
6532         create_ssa_artificial_load_stmt, add_to_addressable_set,
6533         gimple_add_to_addresses_taken): Remove public functions.
6534         (unlink_stmt_vdef): New function.
6535
6536 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6537
6538         * config.gcc (powerpc-*-linux*): Merge variants.
6539
6540 2009-04-02  Chao-ying Fu  <fu@mips.com>
6541             James Grosbach  <james.grosbach@microchip.com>
6542
6543         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6544         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6545         cop0_sp_offset.
6546         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6547         keep_interrupts_masked_p, use_debug_exception_return_p.
6548         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6549         keep_interrupts_masked, use_debug_exception_return.
6550         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6551         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6552         New functions.
6553         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6554         (mips_print_operand): Process COP0 registers to print $0 .. $31
6555         correctly for GAS to process.
6556         (mips_interrupt_extra_call_saved_reg_p): New function.
6557         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6558         extra registers.
6559         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6560         (mips_compute_frame_info): Add supports for interrupt context that
6561         includes doubleword accumulators and COP0 registers.
6562         (mips_for_each_saved_acc): New function.
6563         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6564         mips_for_each_saved_reg.
6565         (mips_save_reg): Save accumulators.
6566         (mips_kernel_reg_p): A new for_each_rtx callback.
6567         (mips_expand_prologue): Support interrupt handlers.
6568         (mips_restore_reg): Restore accumulators.
6569         (mips_expand_epilogue): Support interrupt handlers.
6570         (mips_can_use_return_insn): Return false for interrupt handlers.
6571         (mips_epilogue_uses): New function.
6572         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6573         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6574         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6575         cop0_move): New instructions.
6576         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6577         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6578         defines.
6579         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6580         New defines.
6581         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6582         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6583         interrupt handlers, we use K0 as the temporary register.
6584         (EPILOGUE_USES): Change to a function call.
6585         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6586         handlers, we use K0 as the temporary register.
6587
6588         * doc/extend.texi (Function Attributes): Document interrupt,
6589         use_shadow_register_set, keep_interrupts_masked,
6590         use_debug_exception_return for MIPS attributes.
6591
6592 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6593
6594         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6595         Remove a number of t-files from tmake_file.
6596         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6597         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6598         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6599         target_prototype, not TARGET_PROTOTYPE.
6600         (LINK_OS_GNU_SPEC): Define.
6601         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6602         and darwin-ldoubdle.c.
6603
6604 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6605
6606         PR driver/39293
6607         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6608         (cpp_options): Ditto.
6609         (default_compilers): Ditto.
6610         (display_help): Ditto.
6611         (process_command): Ditto.
6612         (do_spec_1): Ditto.
6613         (set_input): Use lbasename instead of duplicate code.
6614         (save_temps_prefix): New static for -save-temps=obj.
6615         (save_temps_length): Ditto.
6616
6617         * doc/invoke.texi (-save-temps=obj): Document new variant to
6618         -save-temps switch.
6619
6620 2009-04-02  Jeff Law  <law@redhat.com>
6621
6622         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6623         variable.
6624
6625 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6626
6627         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6628         * configure: Regenerated.
6629
6630 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6631
6632         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6633         share the argument list.
6634
6635 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6636
6637         Merge
6638
6639         2009-02-12  Diego Novillo  <dnovillo@google.com>
6640
6641         * varpool.c (debug_varpool): New.
6642         * cgraph.h (debug_varpool): Declare.
6643
6644 2009-04-02  Jan Hubicka  <jh@suse.cz>
6645
6646         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6647         pass.
6648
6649 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6650
6651         * config/i386/i386.c (ix86_abi): Move initialization to ...
6652         (override_options): Here.
6653
6654 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6655
6656         * config/sh/sh.c (sh_dwarf_register_span): New function.
6657         (TARGET_DWARF_REGISTER_SPAN): Define.
6658         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6659
6660 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6661
6662         PR tree-optimization/39595
6663         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6664         interleaved loads group is not  greater than the SLP group size.
6665
6666 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6667
6668         * builtins.c (is_builtin_name): New.
6669         (called_as_built_in): Use is_builtin_name.
6670         * tree.h (is_builtin_name): New.
6671         * varasm.c (incorporeal_function_p): Use is_builtin_name
6672
6673 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6674
6675         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6676
6677 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6678
6679         PR c++/26693
6680         * c-decl.c (clone_underlying_type): Move this ...
6681         * c-common.c (set_underlying_type): ... here.
6682         Also, make sure the function properly sets TYPE_STUB_DECL() on
6683         the newly created typedef variant type.
6684         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6685         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6686         points.
6687
6688 2009-04-02  Richard Guenther  <rguenther@suse.de>
6689
6690         PR tree-optimization/37221
6691         * tree-flow.h (degenerate_phi_result): Declare.
6692         * tree-ssa-dom.c (degenerate_phi_result): Export.
6693         * tree-scalar-evolution.c (analyze_initial_condition): If
6694         the initial condition is defined by a degenerate PHI node
6695         use the degenerate value.
6696
6697 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6698
6699         PR rtl-optimization/39588
6700         * combine.c (merge_outer_ops): Do not set the constant when this
6701         is not necessary.
6702         (simplify_shift_const_1): Do not modify it either in this case.
6703
6704 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6705
6706         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6707         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6708
6709 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6710
6711         PR c/29027
6712         * c-lex.c (interpret_float): Default (no suffix) is double.
6713
6714 2009-04-1  Xinliang David Li  <davidxl@google.com>
6715
6716         * config/i386/i386.c (legitimate_constant_p): Recognize
6717         all one vector constant.
6718
6719 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6720
6721         * config/vax/vax.c: Add #includes to silence warnings.
6722         Change #include order to silence two warnings.
6723
6724 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6725
6726         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6727         (ASM_SPEC): Pass -k to the assembler for PIC code.
6728
6729 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6730
6731         * config.gcc: Add vax-*-linux* to the switch.
6732         * config/vax/linux.h: New file. (TARGET_VERSION,
6733         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6734
6735 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6736
6737         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6738         Use predicate macros instead of GET_CODE() == foo.
6739         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6740         ashlsi3, rotrsi3, <unnamed>): Likewise.
6741
6742 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6743
6744         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6745         jbbccihi, jbbccisi): Remova trailing whitespace.
6746         * config/vax/constraints.md: Likewise.
6747         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6748         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6749         * config/vax/predicates.md: Likewise.
6750         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6751         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6752         * config/vax/vax.h: Likewise.
6753         * config/vax/vax.md (nonlocal_goto): Likewise.
6754
6755 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6756
6757         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6758         (indirectable_address_p, adjacent_operands_p): Add spaces around
6759         braces.
6760         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6761
6762 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6763
6764         * config/vax/vax.c (legitimate_constant_address_p,
6765         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6766         index_term_p, reg_plus_index_p, legitimate_address_p,
6767         vax_mode_dependent_address_p): Update comments to match functions
6768         modified by the recent int->bool conversion.
6769
6770 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6771
6772         * config/vax/builtins.md: Update copyright message.
6773         * config/vax/constraints.md: Likewise.
6774         * config/vax/netbsd-elf.h: Likewise.
6775         * config/vax/predicates.md: Likewise.
6776         * config/vax/vax-protos.h: Likewise.
6777         * config/vax/vax.c: Likewise.
6778         * config/vax/vax.h: Likewise.
6779         * config/vax/vax.md: Likewise.
6780         * config/vax/vax.opt: Likewise.
6781
6782 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6783
6784         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6785         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6786         * config/vax/constraints.md (B, R): Likewise.
6787         * config/vax/predicates.md (external_memory_operand,
6788         nonimmediate_addsub_di_operand): Likewise.
6789         * config/vax/vax.c (vax_output_int_add): Likewise.
6790         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6791         untyped_call): Likewise.
6792
6793 2009-04-01  Matt Thomas  <matt@3am-software.com>
6794
6795         * config/vax/predicates.md: New file.
6796         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6797         external_const_operand, nonsymbolic_operand, external_memory_operand,
6798         indirect_memory_operand, indexed_memory_operand,
6799         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6800         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6801         predicate.
6802         * config/vax/constraints.md: New file.
6803         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6804         New constraint.
6805         * config/vax/builtins.md: New file.
6806         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6807         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6808         jbbccisi): Define.
6809         * config/vax/vax.opt (mqmath): Add option.
6810         * config/vax/vax.md (isfx): Extend with DI.
6811         (VAXintQH, VAXintQHSD): Define.
6812         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6813         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6814         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6815         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6816         (movdi): Update constraints and use vax_output_int_move().
6817         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6818         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6819         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6820         nonlocal_goto): New.
6821         (mov<mode>): Extend accepted operand types.
6822         (subdi3_old): Rename from subdi3, change update constraints and use
6823         a new implementation.
6824         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6825         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6826         MOVE_RATIO, CLEAR_RATIO): Define.
6827         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6828         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6829         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6830         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6831         (split_quadword_operands): Make static and really allow variable
6832         splitting.
6833         (print_operand_address): Update for PIC generation.
6834         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6835         indexable_address_p, fixup_mathdi_operand,
6836         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6837         (vax_float_literal, legitimate_constant_p,
6838         indirectable_constant_address_p, index_term_p,
6839         reg_plus_index_p): Return bool instead of int.
6840         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6841         where needed.
6842         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6843         generation.
6844         (vax_output_conditional_branch): Indent.
6845         (legitimate_constant_address_p, indirectable_constant_address_p,
6846         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6847         vax_mode_dependent_address_p): Return bool instead of int, update for
6848         PIC generation.
6849         * config/vax/vax-protos.h (legitimate_constant_address_p,
6850         legitimate_constant_p, legitimate_address_p,
6851         vax_mode_dependent_address_p): Change declaration to bool.
6852         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6853         vax_expand_addsub_di_operands, vax_output_int_subtract,
6854         vax_output_movmemsi): Declare.
6855         (split_quadword_operands, vax_float_literal): Delete declaration.
6856         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6857         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6858         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6859         ASM_OUTPUT_DWARF_PCREL): Define.
6860         (ASM_SPEC): Change definition to allow PIC generation.
6861
6862 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6863
6864         * doc/sourcebuild.texi: Update front-end requirements.
6865
6866 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6867
6868         PR target/39226
6869         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6870         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6871         (booldi3_internal3): Use boolean_or_operator instead of
6872         boolean_operator.
6873
6874 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6875
6876         PR c/39605
6877         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6878         declarator whose size is not an integer constant expression but
6879         folds to an integer constant, then treat it as a constant
6880         subsequently.
6881
6882 2009-04-01  Richard Guenther  <rguenther@suse.de>
6883
6884         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6885         i * 4 + 2 to (i * 2 + 1) * 2.
6886
6887 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6888
6889         PR c/37772
6890         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6891         return if c_parser_asm_string_literal returned NULL.
6892
6893 2009-04-01  Nick Clifton  <nickc@redhat.com>
6894
6895         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6896         already defined.
6897         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6898         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6899         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6900         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6901         include it.
6902         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6903         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6904         then include it.
6905
6906 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6907
6908         * varasm.c (default_function_rodata_section): Declare DOT as
6909         const char*.
6910
6911 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6912             Andrey Galkin  <agalkin@hypercom.com>
6913
6914         PR/39492
6915         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6916         Make object_name unique for each process.
6917
6918 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6919
6920         PR other/39591
6921         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6922         addressable variables in the parallel that could go out of scope while
6923         running queued tasks.
6924
6925 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6926
6927         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6928         (CASE_VALUES_THRESHOLD): Redefine.
6929         * config/avr/avr.c (avr_override_options): Remove initialization of
6930         avr_case_values_threshold variable.
6931         (avr_case_values_threshold): Remove variable. Add new function.
6932         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6933         * config/avr/avr.opt (mno-tablejump): Remove option.
6934         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6935
6936 2009-04-01  DJ Delorie  <dj@redhat.com>
6937
6938         * varasm.c (default_function_rodata_section): Don't assume
6939         anything about where the first '.' in the section name is.
6940
6941 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6942
6943         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6944         rs6000_emit_stack_tie.
6945
6946 2009-03-31  Ian Lance Taylor  <iant@google.com>
6947
6948         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6949         gimple_code with GIMPLE_RESX, not RESX.
6950
6951 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6952
6953         * c-common.c (c_get_ident): New.
6954         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6955
6956 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6957
6958         * config/rs6000/sysv4.opt (msdata): Improve option description.
6959
6960 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6961
6962         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6963         (divdf3_internal_lat): Remove.
6964         (divxf3_internal_lat): Remove.
6965         (divxf3_internal_thr): Remove.
6966         (divxf): Use divxf3_internal.
6967         * config/ia64/div.md (divsf3_internal_lat): New.
6968         (divdf3_internal_lat): New.
6969         (divxf3_internal): New.
6970
6971 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6972
6973         PR c/448
6974         * Makefile.in (USE_GCC_STDINT): Define.
6975         (stmp-int-hdrs): Install stdint.h if applicable.
6976         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6977         if known.
6978         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6979         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6980         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6981         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6982         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6983         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6984         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6985         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6986         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6987         (c_common_nodes_and_builtins): Initialize
6988         underlying_wchar_type_node.  Do not initialize
6989         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6990         nodes for new types.
6991         (c_stddef_cpp_builtins): Define macros for new types.
6992         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6993         Remove.
6994         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6995         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6996         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6997         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6998         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6999         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7000         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7001         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7002         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7003         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7004         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7005         int16_type_node, int32_type_node, int64_type_node,
7006         uint8_type_node, uint16_type_node, c_uint32_type_node,
7007         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7008         int_least32_type_node, int_least64_type_node,
7009         uint_least8_type_node, uint_least16_type_node,
7010         uint_least32_type_node, uint_least64_type_node,
7011         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7012         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7013         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7014         uintptr_type_node): Define.
7015         * c-cppbuiltin.c (builtin_define_constants,
7016         builtin_define_type_minmax): New.
7017         (builtin_define_stdint_macros): Define more macros.
7018         (c_cpp_builtins): Define more limit macros.
7019         (type_suffix): New.
7020         (builtin_define_type_max): Define in terms of
7021         builtin_define_type_minmax.  Remove is_long parameter.  All
7022         callers changed.
7023         * config.gcc (use_gcc_stdint): Define.
7024         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7025         Add newlib-stdint.h for generic targets.
7026         * config/glibc-stdint.h, config/newlib-stdint.h,
7027         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7028         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7029         * config/score/score.h (UINTPTR_TYPE): Define.
7030         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7031         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7032         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7033         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7034         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7035         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7036         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7037         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7038         * config/spu/spu.h (STDINT_LONG32): Define.
7039         * configure.ac (use_gcc_stdint): Substitute.
7040         * configure: Regenerate.
7041         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7042         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7043         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7044         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7045         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7046         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7047         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7048         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7049         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7050         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7051         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7052         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7053         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7054         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7055         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7056         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7057         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7058         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7059         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7060         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7061         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7062         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7063         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7064         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7065         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7066         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7067         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7068         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7069         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7070
7071 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7072
7073         * loop-iv.c (suitable_set_for_replacement): Renamed from
7074         simplify_using_assignment; changed to return bool and to accept new
7075         args DEST and SRC.  Return true iff we find a source/destination pair
7076         that can be used to make a replacement, and fill SRC and DEST if so.
7077         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7078         changed.
7079         (simplify_using_initial_values): Deal with altered regs here and track
7080         more precisely the effect they have on the validity of our expression.
7081
7082         * loop-iv.c (simplify_using_condition): A condition of the form
7083         (EQ REG CONST) can be used to simply make a substitution.
7084         (simplify_using_initial_values): Keep track of conditions we have seen
7085         and keep using them to simplify new expressions, while applying the
7086         same substitutions to them as to the expression.
7087
7088         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7089         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7090         GEU/LTU reversed.
7091
7092         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7093         changed.  Use this when trying to improve the upper bound.
7094         Generate the comparison by using simplify_gen_relational.
7095
7096         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7097
7098         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7099         functions.
7100         (simplify_using_assignment, simplify_using_initial_values): Call
7101         replace_in_expr to make replacements.  Call replace_single_def_regs
7102         once on the initial version of the expression.
7103
7104 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7105
7106         PR target/27237
7107         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7108
7109 2009-03-31  Richard Guenther  <rguenther@suse.de>
7110
7111         PR middle-end/31029
7112         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7113         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7114
7115 2009-03-31  Richard Guenther  <rguenther@suse.de>
7116
7117         * tree.h (div_if_zero_remainder): Declare.
7118         * fold-const.c (div_if_zero_remainder): Export.
7119         * tree-ssa-forwprop.c
7120         (forward_propagate_addr_into_variable_array_index): Handle
7121         constant array index addition outside of the variable index.
7122
7123 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7124
7125         PR target/39592
7126         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7127         define_splits, floatunssi<mode>2): Require x87 conversions from
7128         DImode to be permitted.
7129
7130 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7131
7132         PR preprocessor/15638
7133         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7134
7135 2009-03-31  Richard Guenther  <rguenther@suse.de>
7136
7137         PR middle-end/23401
7138         PR middle-end/27810
7139         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7140         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7141         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7142         a separate statement.
7143         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7144         (lookup_tmp_var): Likewise.
7145         (is_gimple_formal_tmp_or_call_rhs): Remove.
7146         (is_gimple_reg_or_call_rhs): Rename to ...
7147         (is_gimple_reg_rhs_or_call): ... this.
7148         (is_gimple_mem_or_call_rhs): Rename to ...
7149         (is_gimple_mem_rhs_or_call): ... this.
7150         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7151         DECL_GIMPLE_REG_P only if is_formal is true.
7152         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7153         for non-proper post-modify expression gimplification.
7154         (gimplify_self_mod_expr): For post-modify expressions gimplify
7155         the lvalue to a minimal lvalue.
7156         (rhs_predicate_for): Remove formal temp case.
7157         (gimplify_modify_expr_rhs): Likewise.
7158         (gimplify_addr_expr): Use is_gimple_reg.
7159         (gimplify_expr): Remove formal temp cases.
7160         (gimple_regimplify_operands): Likewise.
7161         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7162         and FILTER_EXPR like constants.
7163         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7164         is_gimple_reg.
7165         (is_gimple_formal_tmp_rhs): Remove.
7166         (is_gimple_reg_rhs): Remove special casing.
7167         (is_gimple_mem_rhs): Fix.
7168         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7169         (is_gimple_formal_tmp_var): Remove.
7170         (is_gimple_formal_tmp_reg): Likewise.
7171         (is_gimple_min_lval): Allow invariant component ref parts.
7172         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7173         is_gimple_formal_tmp_reg): Remove declarations.
7174         * tree-cfg.c (verify_expr): Verify that variables with address
7175         taken do not have DECL_GIMPLE_REG_P set.
7176         * tree-mudflap.c (mf_build_check_statement_for): Use
7177         force_gimple_operand instead of gimplify_expr.
7178
7179 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7180
7181         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7182         schedulable rows to compute_split_row.
7183
7184 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7185
7186         PR target/31635
7187         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7188         OPT_mvrsave.
7189
7190 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7191
7192         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7193         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7194         * configure: Regenerate.
7195         * config.in: Regenerate.
7196         * config/rs6000/rs6000.opt (mtls-markers): Add.
7197         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7198         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7199         (tls_ld_aix, tls_ld_sysv): Likewise.
7200         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7201         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7202
7203 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7204
7205         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7206
7207 2009-03-30  Jan Hubicka  <jh@suse.cz>
7208
7209         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7210         out of RESX.
7211         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7212         detection and label handling.
7213
7214 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7215
7216         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7217         left_conflicts_size.
7218         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7219         ALLOCNO_LEFT_CONFLICTS_SIZE.
7220
7221         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7222         remove_allocno_from_bucket_and_push,
7223         allocno_spill_priority_compare, push_allocnos_to_stack,
7224         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7225         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7226         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7227         setup_allocno_left_conflicts_size.
7228         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7229         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7230         setup_allocno_left_conflicts_size instead of
7231         setup_allocno_left_conflicts_num.
7232
7233         * ira-build.c (ira_create_allocno): Use
7234         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7235         ALLOCNO_LEFT_CONFLICTS_NUM.
7236
7237 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7238
7239         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7240         instead of DF_LR_OUT.
7241
7242         * ira-lives.c (process_bb_node_lives): Ditto.
7243
7244         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7245         instead of DF_LR_{OUT,IN}.
7246
7247         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7248
7249         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7250
7251 2009-03-30  Jan Hubicka  <jh@suse.cz>
7252
7253         * except.c (label_to_region_map): Fix thinko.
7254
7255 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7256
7257         PR middle-end/38237
7258         * tree.h (tree_find_value): New declaration.
7259         * tree.c (tree_find_value): New function.
7260         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7261
7262 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7263
7264         PR debug/39563
7265         * c-decl.c (struct c_binding): Add locus field.
7266         (bind): Add locus argument, set locus field from it.
7267         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7268         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7269         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7270         implicitly_declare, undeclared_variable, lookup_label,
7271         declare_label, c_make_fname_decl, c_builtin_function,
7272         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7273         bind callers.
7274
7275 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7276
7277         PR target/38781
7278         * config/i386/i386.c (classify_argument): Check total size of
7279         structure.
7280
7281 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7282
7283         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7284         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7285         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7286         respectively.
7287
7288         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7289         seen_variable_array_ref while also traversing a union.
7290
7291         * tree-inline.c (optimize_inline_calls): Do not call
7292         cgraph_node_remove_callees.
7293         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7294         (pass_remove_cgraph_callee_edges): New variable.
7295         * passes.c (init_optimization_passes): Add
7296         pass_remove_cgraph_callee_edges after early inlining and before all
7297         late intraprocedural passes.
7298
7299         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7300
7301 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7302
7303         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7304         Fix typos in names.
7305
7306 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7307
7308         * combine.c (simplify_comparison): Use have_insn_for.
7309         * dojump.c (do_jump): Likewise.
7310
7311 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7312
7313         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7314         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7315         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7316         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7317         instead of sparc_compare_emitted.
7318         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7319         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7320         instead of sparc_compare_emitted.
7321
7322 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7323
7324         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7325         enter/exit cfglayout mode.
7326         (pass_partition_block): Require it.
7327         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7328         (combine_instructions): Track basic blocks instead of labels.
7329         (update_cfg_for_uncondjump): New.
7330         (try_combine): Use it.  Update jumps after rescanning.
7331         (pass_combine): Require PROP_cfglayout.
7332         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7333
7334 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7335
7336         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7337         Provide/destroy PROP_cfglayout respectively.
7338         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7339         * tree-pass.h (PROP_cfglayout): New.
7340
7341 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7342
7343         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7344         fold_convert_const_fixed_from_fixed,
7345         fold_convert_const_fixed_from_int,
7346         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7347         set TREE_CONSTANT_OVERFLOW.
7348         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7349         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7350
7351 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7352
7353         * tree-vect-loop-manip.c: New file.
7354         * tree-vectorizer.c: Update documentation and included files.
7355         (vect_loop_location): Make extern.
7356         (rename_use_op): Move to tree-vect-loop-manip.c
7357         (rename_variables_in_bb, rename_variables_in_loop,
7358         slpeel_update_phis_for_duplicate_loop,
7359         slpeel_update_phi_nodes_for_guard1,
7360         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7361         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7362         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7363         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7364         find_loop_location): Likewise.
7365         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7366         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7367         get_vectype_for_scalar_type, vect_is_simple_use,
7368         supportable_widening_operation, supportable_narrowing_operation):
7369         Likewise.
7370         (bb_in_loop_p): Move to tree-vect-loop.c.
7371         (new_loop_vec_info, destroy_loop_vec_info,
7372         reduction_code_for_scalar_code, report_vect_op,
7373         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7374         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7375         (vect_supportable_dr_alignment): Likewise.
7376         * tree-vectorizer.h (tree-data-ref.h): Include.
7377         (vect_loop_location): Declare.
7378         Reorganize function declarations according to the new file structure.
7379         * tree-vect-loop.c: New file.
7380         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7381         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7382         * tree-vect-data-refs.c: New file.
7383         * tree-vect-patterns.c (timevar.h): Don't include.
7384         * tree-vect-stmts.c: New file.
7385         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7386         tree-vect-slp.c, tree-vect-loop.c.
7387         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7388         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7389         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7390         (tree-vect-analyze.o): Remove.
7391         (tree-vect-transform.o): Likewise.
7392         (tree-vect-data-refs.o): Add rule.
7393         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7394         tree-vect-slp.o): Likewise.
7395         (tree-vect-patterns.o): Remove redundant dependencies.
7396         (tree-vectorizer.o): Likewise.
7397         * tree-vect-slp.c: New file.
7398
7399 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7400
7401         * optc-gen.awk: Warn if an option flag has multiple different
7402         help strings.
7403
7404 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7405
7406         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7407         -floop-block): Document dependences on PPL, CLooG and Graphite.
7408
7409 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7410
7411         PR rtl-optimization/323
7412         * c-common.c (c_fully_fold, convert_and_check,
7413         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7414         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7415         * c-common.def (EXCESS_PRECISION_EXPR): New.
7416         * c-cppbuiltin.c (builtin_define_float_constants): Define
7417         constants with enough digits for long double.
7418         * c-lex.c (interpret_float): Interpret constant with excess
7419         precision where appropriate.
7420         * c-opts.c (c_common_post_options): Set
7421         flag_excess_precision_cmdline.  Give an error for
7422         -fexcess-precision=standard for C++ for processors where the
7423         option is significant.
7424         * c-parser.c (c_parser_conditional_expression): Handle excess
7425         precision in condition.
7426         * c-typeck.c (convert_arguments): Handle arguments with excess
7427         precision.
7428         (build_unary_op): Move excess precision outside operation.
7429         (build_conditional_expr): Likewise.
7430         (build_compound_expr): Likewise.
7431         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7432         (build_modify_expr): Handle excess precision in RHS.
7433         (convert_for_assignment): Handle excess precision in converted
7434         value.
7435         (digest_init, output_init_element, process_init_element): Handle
7436         excess precision in initializer.
7437         (c_finish_return): Handle excess precision in return value.
7438         (build_binary_op): Handle excess precision in operands and add
7439         excess precision as needed for operation.
7440         * common.opt (-fexcess-precision=): New option.
7441         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7442         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7443         For standard excess precision, output explicit conversion to and
7444         truncation from XFmode.
7445         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7446         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7447         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7448         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7449         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7450         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7451         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7452         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7453         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7454         define_splits, sqrt<mode>2): Disable where appropriate for
7455         standard excess precision.
7456         * convert.c (convert_to_real): Do not shorten arithmetic to type
7457         for which excess precision would be used.
7458         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7459         * doc/invoke.texi (-fexcess-precision=): Document option.
7460         (-mfpmath=): Correct index entry.
7461         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7462         flag_excess_precision): New.
7463         * langhooks.c (lhd_post_options): Set
7464         flag_excess_precision_cmdline.
7465         * opts.c (common_handle_option): Handle -fexcess-precision=.
7466         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7467         init_excess_precision): New.
7468         (lang_dependent_init_target): Call init_excess_precision.
7469         * tree.c (excess_precision_type): New.
7470         * tree.h (excess_precision_type): Declare.
7471
7472 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7473
7474         PR c/35235
7475         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7476         non-lvalue to component.
7477
7478 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7479
7480         PR preprocessor/34695
7481         * Makefile.in (c-opts.o): Depend on c-tree.h.
7482         * c-common.c: Move down include of diagnostic.h.
7483         (done_lexing, c_cpp_error): New.
7484         * c-common.h (done_lexing): Declare.
7485         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7486         (parse_in).
7487         * c-opts.c: Include c-tree.h.
7488         (c_common_init_options): Set preprocessor error callback.
7489         (c_common_handle_option): Do not set preprocessor
7490         inhibit_warnings, warnings_are_errors, warn_system_headers,
7491         pedantic_errors or inhibit_warnings flags.
7492         (c_common_post_options): Do not check cpp_errors (parse_in).
7493         (c_common_finish): Do not output dependencies if there were
7494         errors.  Do not check return value of cpp_finish.
7495         * c-ppoutput.c (pp_file_change): Set input_location.
7496         * c-tree.h (c_cpp_error): Declare.
7497         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7498         override_column.
7499         (diagnostic_build_prefix): Check override_column.
7500         * diagnostic.h (diagnostic_info): Add override_column field.
7501         (diagnostic_override_column): Define.
7502
7503 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7504
7505         * c-common.c (c_expand_expr, c_staticp): Remove.
7506         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7507         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7508         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7509         * c-gimplify.c (gimplify_compound_literal_expr,
7510         optimize_compound_literals_in_ctor): Remove.
7511         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7512         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7513         * c-semantics.c (emit_local_var): Remove.
7514
7515         * langhooks-def.h (lhd_expand_expr): Remove.
7516         * langhooks.c (lhd_expand_expr): Remove.
7517         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7518
7519         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7520         handling from c-semantics.c; don't call into langhook.
7521         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7522         * gimplify.c (gimplify_compound_literal_expr,
7523         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7524         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7525         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7526         as was done in c-gimplify.c.
7527         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7528         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7529         Move from c-common.h.
7530         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7531
7532         * tree.c (staticp): Do not call langhook.
7533         * langhooks.c (lhd_staticp): Delete.
7534         * langhooks-def.h (lhd_staticp): Delete prototype.
7535         (LANG_HOOKS_STATICP): Delete.
7536         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7537
7538         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7539         instead of DECL_STMTs.
7540
7541 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7542
7543         PR c/456
7544         PR c/5675
7545         PR c/19976
7546         PR c/29116
7547         PR c/31871
7548         PR c/35198
7549         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7550         void_type_node.
7551         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7552         contained expression.
7553         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7554         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7555         conditional expressions for C.
7556         (decl_constant_value_for_optimization): Move from
7557         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7558         whether optimizing and that the expression is a VAR_DECL not of
7559         array type instead of doing such checks in the caller.  Do not
7560         check pedantic.  Call gcc_unreachable for C++.
7561         * c-common.def (C_MAYBE_CONST_EXPR): New.
7562         * c-common.h (c_fully_fold, c_save_expr,
7563         decl_constant_value_for_optimization): New prototypes.
7564         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7565         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7566         EXPR_INT_CONST_OPERANDS): Define.
7567         * c-convert.c (convert): Strip nops from expression.
7568         * c-decl.c (groktypename): Take extra parameters expr and
7569         expr_const_operands.  Update call to grokdeclarator.
7570         (start_decl): Update call to grokdeclarator.  Add statement for
7571         expressions used in type of decl.
7572         (grokparm): Update call to grokdeclarator.
7573         (push_parm_decl): Update call to grokdeclarator.
7574         (build_compound_literal): Add parameter non_const and build a
7575         C_MAYBE_COSNT_EXPR if applicable.
7576         (grokdeclarator): Take extra parameters expr and
7577         expr_const_operands.  Track expressions used in declaration
7578         specifiers and declarators.  Fold array sizes and track whether
7579         they are constant expressions and whether they are integer
7580         constant expressions.
7581         (parser_xref_tag): Set expr and expr_const_operands fields in
7582         return value.
7583         (grokfield): Update call to grokdeclarator.
7584         (start_function): Update call to grokdeclarator.
7585         (build_null_declspecs): Set expr and expr_const_operands fields in
7586         return value.
7587         (declspecs_add_type): Handle expressions in typeof specifiers.
7588         * c-parser.c (c_parser_declspecs): Set expr and
7589         expr_const_operands fields for declaration specifiers.
7590         (c_parser_enum_specifier): Likewise.
7591         (c_parser_struct_or_union_specifier): Likewise.
7592         (c_parser_typeof_specifier): Likewise.  Update call to
7593         groktypename.  Fold expression as needed.  Return expressions with
7594         type instead of adding statements.
7595         (c_parser_attributes): Update calls to c_parser_expr_list.
7596         (c_parser_statement_after_labels): Fold expression before passing
7597         to objc_build_throw_stmt.
7598         (c_parser_condition): Fold expression.
7599         (c_parser_asm_operands): Fold expression.
7600         (c_parser_conditional_expression): Use c_save_expr.  Update call
7601         to build_conditional_expr.
7602         (c_parser_alignof_expression): Update call to groktypename.
7603         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7604         original_code.  Fold expression argument of va_arg.  Create
7605         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7606         argument to va_arg.  Update calls to groktypename.  Fold array
7607         index for offsetof.  Verify that first argument to
7608         __builtin_choose_expr has integer type.
7609         (c_parser_postfix_expression_after_paren_type): Update calls to
7610         groktypename and build_compound_literal.  Handle expressions with
7611         side effects in type name.
7612         (c_parser_postfix_expression_after_primary): Update call to
7613         c_parser_expr_list.  Set original_code for calls to
7614         __builtin_constant_p.
7615         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7616         expressions if requested.
7617         (c_parser_objc_type_name): Update call to groktypename.
7618         (c_parser_objc_synchronized_statement): Fold expression.
7619         (c_parser_objc_receiver): Fold expression.
7620         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7621         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7622         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7623         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7624         (struct c_typespec): Add elements expr and expr_const_operands.
7625         (struct c_declspecs): Add elements expr and expr_const_operands.
7626         (groktypename, build_conditional_expr, build_compound_literal):
7627         Update prototypes.
7628         (in_late_binary_op): Declare.
7629         * c-typeck.c (note_integer_operands): New function.
7630         (in_late_binary_op): New variable.
7631         (decl_constant_value_for_broken_optimization): Move to c-common.c
7632         and rename to decl_constant_value_for_optimization.
7633         (default_function_array_conversion): Do not strip nops.
7634         (default_conversion): Do not call
7635         decl_constant_value_for_broken_optimization.
7636         (build_array_ref): Do not fold result.
7637         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7638         result when operand is a VLA.
7639         (c_expr_sizeof_type): Update call to groktypename.  Handle
7640         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7641         result when operand names a VLA type.
7642         (build_function_call): Update call to build_compound_literal.
7643         Only fold result for calls to __builtin_* functions.  Strip
7644         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7645         the function designator.
7646         (convert_arguments): Fold arguments.  Update call to
7647         convert_for_assignment.
7648         (build_unary_op): Handle increment and decrement of
7649         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7650         decrement earlier.  Fold operand of increment and decrement.
7651         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7652         built for integer operand.  Wrap returns that are INTEGER_CSTs
7653         without being integer constant expressions or that have integer
7654         constant operands without being INTEGER_CSTs.
7655         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7656         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7657         result is an integer constant expression or can be used in
7658         unevaluated parts of one and avoid folding and wrap as
7659         appropriate.  Fold operands before possibly doing -Wsign-compare
7660         warnings.
7661         (build_compound_expr): Wrap result for C99 if operands can be used
7662         in integer constant expressions.
7663         (build_c_cast): Update call to digest_init.  Do not ignore
7664         overflow from casting floating-point constants to integers.  Wrap
7665         results that could be confused with integer constant expressions,
7666         null pointer constants or floating-point constants.
7667         (c_cast_expr): Update call to groktypename.  Handle expressions
7668         included in type name.
7669         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7670         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7671         Update calls to convert_for_assignment.
7672         (convert_for_assignment): Take new parameter
7673         null_pointer_constant.  Do not strip nops or call
7674         decl_constant_value_for_broken_optimization.  Set
7675         in_late_binary_op for conversions to boolean.
7676         (store_init_value): Update call to digest_init.
7677         (digest_init): Take new parameter null_pointer_constant.  Do not
7678         call decl_constant_value_for_broken_optimization.  pedwarn for
7679         initializers not constant expressions.  Update calls to
7680         convert_for_assignment.
7681         (constructor_nonconst): New.
7682         (struct constructor_stack): Add nonconst element.
7683         (really_start_incremental_init, push_init_level, pop_init_level):
7684         Handle constructor_nonconst and nonconst element.
7685         (set_init_index): Call constant_expression_warning for array
7686         designators.
7687         (output_init_element): Fold value.  Set constructor_nonconst as
7688         applicable.  pedwarn for initializers not constant expressions.
7689         Update call to digest_init.  Call constant_expression_warning
7690         where constant initializers are required.
7691         (process_init_element): Use c_save_expr.
7692         (c_finish_goto_ptr): Fold expression.
7693         (c_finish_return): Fold return value.  Update call to
7694         convert_for_assignment.
7695         (c_start_case): Fold switch expression.
7696         (c_process_expr_stmt): Fold expression.
7697         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7698         ensure statement expression is not evaluated in constant expression.
7699         (build_binary_op): Track whether results are integer constant
7700         expressions or may occur in such, disable folding and wrap results
7701         as applicable.  Fold operands for -Wsign-compare warnings unless
7702         in_late_binary_op.
7703         (c_objc_common_truthvalue_conversion): Handle results folded to
7704         integer constants that are not integer constant expressions.
7705         * doc/extend.texi: Document when typeof operands are evaluated,
7706         that condition of __builtin_choose_expr is an integer constant
7707         expression, and more about use of __builtin_constant_p in
7708         initializers.
7709
7710 2009-03-29  Richard Guenther  <rguenther@suse.de>
7711
7712         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7713         propagate addresses of array references.
7714
7715 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7716
7717         * regmove.c (perhaps_ends_bb_p): Remove.
7718         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7719         from INSN and check that the main loop stays within that basic block.
7720         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7721         (regmove_forward_pass): Split out from regmove_optimize.  Use
7722         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7723         (regmove_backward_pass): Split out from regmove_optimize.  Use
7724         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7725         (regmove_optimize): Simplify.
7726
7727 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7728
7729         PR target/39545
7730         * config/i386/i386.c (classify_argument): Ignore flexible array
7731         member in struct and warn ABI change.
7732
7733 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7734
7735         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7736
7737         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7738         (ix86_adjust_cost): Updated.
7739
7740 2009-03-29  Jan Hubicka  <jh@suse.cz>
7741
7742         PR middle-end/28850
7743         * tree-pass.h (pass_cleanup_eh): New function.
7744         (remove_unreachable_regions): Break code handling RTL
7745         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7746         that can not be reached by runtime.
7747         (can_be_reached_by_runtime): New function.
7748         (label_to_region_map): New function.
7749         (num_eh_regions): New function.
7750         (rtl_remove_unreachable_regions): New function.
7751         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7752         (remove_eh_region): New function.
7753         * except.h: Include sbitmap and vecprim.
7754         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7755         num_eh_regions): Declare.
7756         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7757         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7758         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7759         (tree_empty_eh_handler_p): New function.
7760         (cleanup_empty_eh): New function.
7761         (cleanup_eh): New function.
7762         (pass_cleanup_eh): New function.
7763
7764 2009-03-29  Jan Hubicka  <jh@suse.cz>
7765
7766         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7767         for removed regions.
7768
7769 2009-03-29  Jan Hubicka  <jh@suse.cz>
7770
7771         * except.c (dump_eh_tree): Dump all datastructures.
7772
7773 2009-03-29  Jan Hubicka  <jh@suse.cz>
7774
7775         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7776         (duplicate_eh_regions_1): Likewise.
7777         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7778         vector; call EH verification.
7779         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7780         Be ready for region being removed.
7781
7782 2009-03-29  Jan Hubicka  <jh@suse.cz>
7783
7784         * bitmap.c (bitmap_last_set_bit): New function.
7785         * bitmap.h (bitmap_last_set_bit): Declare.
7786
7787 2009-03-29  David Ayers  <ayers@fsfe.org>
7788
7789         PR objc/27377
7790         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7791         by calling objc_compare_types and surpress warnings about
7792         incompatible C pointers that are compatible ObjC pointers.
7793
7794 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7795
7796         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7797         call initialize_inline_failed.
7798         (initialize_inline_failed): Move it from here ...
7799         * cgraph.c (initialize_inline_failed): ... to here.
7800         (cgraph_create_edge): Call initialize_inline_failed rather than
7801         setting inline_failed directly.
7802
7803 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7804
7805         PR target/32542
7806         * sysv4.opt (msdata): Improve comment.
7807         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7808         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7809
7810 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7811
7812         PR target/30451
7813         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7814         load and store attributes.
7815
7816 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7817
7818         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7819         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7820         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7821         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7822         __builtin_infq and __builtin_huge_valq.
7823
7824 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7825
7826         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7827         atmega8m1 devices.
7828         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7829         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7830
7831 2009-03-28  Xinliang David Li  <davidxl@google.com>
7832
7833         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7834         (do_dbg_cnt): New function.
7835
7836 2009-03-28  Jan Hubicka  <jh@suse.cz>
7837
7838         Merge from pretty-ipa:
7839
7840         2009-03-27  Jan Hubicka  <jh@suse.cz>
7841
7842         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7843         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7844         * passes.c (function_called_by_processed_nodes_p): New.
7845         * ipa-pure-const.c (check_call): Fix handling of operands.
7846         (analyze_function): Dump debug output for skipped bodies.
7847         (local_pure_const): Use function_called_by_processed_nodes_p.
7848         * dwarf2out.c (reference_to_unused): Use output.
7849         * passes.c (do_per_function_toporder): Likewise.
7850
7851         2008-11-12  Jan Hubicka  <jh@suse.cz>
7852
7853         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7854         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7855         state_set_in_source enum
7856         (check_decl): Ignore memory tags; do not set fake looping flags;
7857         dump diagnostics.
7858         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7859         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7860         (check_call, analyze_function): Rewrite.
7861         (check_stmt): New.
7862         (add_new_function): Update call of analyze_function.
7863         (generate_summary): Add call of analyze_function.
7864         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7865         (local_pure_const): New function.
7866         (pass_local_pure_const): New pass.
7867         * ipa-inline.c (inline_transform): Set after_inlining.
7868         * tree-eh.c (stmt_can_throw_external): New.
7869         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7870         work with aliasing built.
7871         * tree-flow.h (stmt_can_throw_external): New.
7872         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7873         and local pure/const pass in early and late optimization queue.
7874
7875 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7876
7877         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7878         allow_func_align.
7879         (fold_binary): Allow function decl aligment consideration is the
7880         second argument is integer constant one.
7881         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7882         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7883         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7884
7885 2009-03-28  Jan Hubicka  <jh@suse.cz>
7886
7887         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7888         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7889         * function.h (rtl_data): Add nothrow flag.
7890         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7891         set DECL_NOTHROW for AVAILABLE functions.
7892
7893 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7894
7895         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7896         following vector keyword has expansion starting with pixel or bool
7897         keyword, expand vector to __vector and pixel or bool to __pixel or
7898         __bool.
7899
7900         PR c++/39554
7901         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7902         warn_if_disallowed_function_p): Removed.
7903         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7904         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7905         warning_if_disallowed_function_p.
7906         * flags.h (warn_if_disallowed_function_p,
7907         warn_disallowed_functions): Removed.
7908         * common.opt (Wdisallowed-function-list=): Removed.
7909         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7910
7911 2009-03-28  Richard Guenther  <rguenther@suse.de>
7912
7913         PR tree-optimization/38723
7914         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7915         the entry block.
7916
7917 2009-03-28  Jan Hubicka  <jh@suse.cz>
7918
7919         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7920         test introduced by my previous patch.
7921
7922 2009-03-28  Richard Guenther  <rguenther@suse.de>
7923
7924         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7925         the PHIs value undefined.
7926
7927 2009-03-28  Jan Hubicka  <jh@suse.cz>
7928
7929         * tree-pass.h (pass_fixup_cfg): New pass.
7930         * ipa-inline.c (inline_transform): Set
7931         always_inline_functions_inlined/after_inlining.
7932         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7933         (pass_fixup_cfg): New pass.
7934         * passes.c (init_optimization_passes): Add fixup_cfg.
7935
7936 2009-03-28  Richard Guenther  <rguenther@suse.de>
7937
7938         PR tree-optimization/38458
7939         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7940         argument use the arguments copy-of value.
7941
7942 2009-03-28  Richard Guenther  <rguenther@suse.de>
7943
7944         PR tree-optimization/38180
7945         * tree-ssa-ccp.c (get_default_value): Simplify.
7946         (likely_value): Likewise.
7947         (surely_varying_stmt_p): Properly handle VOP case.
7948         (ccp_initialize): Likewise.
7949         (ccp_fold): Handle propagating through *&.
7950         (fold_const_aggregate_ref): Also handle decls.
7951
7952 2009-03-28  Jan Hubicka  <jh@suse.cz>
7953
7954         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7955         * cgraph.h (cgraph_node): Likewise.
7956         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7957         (cgraph_reset_node): Use process flag.
7958         (cgraph_mark_functions_to_output): Likewise.
7959         (cgraph_expand_function): Likewise.
7960         (cgraph_expand_all_functions): Likewise.
7961         (cgraph_output_in_order): Likewise.
7962         * dwarf2out.c (reference_to_unused): Likewise.
7963         * passes.c do_per_function_toporder): Likewise.
7964
7965 2009-03-28  Jan Hubicka  <jh@suse.cz>
7966
7967         Bring from lto-branch:
7968
7969         2008-09-03  Doug Kwan  <dougkwan@google.com>
7970
7971         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7972         enums instead of reason strings.
7973         * cgraph.c (cgraph_create_edge): Same.
7974         (cgraph_inline_failed_string): New function.
7975         * cgraph.h (cgraph_inline_failed_t): New enum type.
7976         (cgraph_inline_failed_string): New prototype.
7977         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7978         char pointer to cgraph_inline_failed_t.
7979         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7980         (cgraph_default_inline_p): Ditto.
7981         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7982         to cgraph_inline_failed_t pointer.
7983         * cif-code.def: New file.
7984         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7985         reason string.
7986         (cgraph_check_inline_limits): Change type of REASON to pointer to
7987         cgraph_inline_failed_t.  Replace reason strings with enums.
7988         (cgraph_default_inline_p): Ditto.
7989         (cgraph_recursive_inlining_p): Ditto.
7990         (update_caller_keys): Change type of FAILED_REASON to
7991         cgraph_inline_failed_t.
7992         (cgraph_set_inline_failed): Change type of REASON to pointer to
7993         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7994         convert enums to strings for text output.
7995         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7996         to be of type cgraph_inline_failed_t.  Replace reason strings with
7997         enums.  Call cgraph_inline_failed_string to covert enums
7998         to strings for text output.
7999         (cgraph_decide_inlining): Replace reason strings with enums.
8000         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8001         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8002         for text output.
8003         * tree-inline.c (expand_call_inline): Change type of REASON
8004         to cgraph_inline_failed_t.  Replace reason strings with enums.
8005         Call cgraph_inline_failed_string for text output.
8006         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8007         (cgraph.o): Ditto.
8008
8009 2009-03-28  Jan Hubicka  <jh@suse.cz>
8010
8011         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8012         cgraph_clone_node): Remove master clone handling.
8013         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8014         * cgraph.h (master_clone): Remove.
8015         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8016         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8017         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8018
8019 2009-03-28  Jan Hubicka  <jh@suse.cz>
8020
8021         * cgraph.c (cgraph_function_body_availability): Functions declared
8022         inline are always safe to assume that it is not going to be replaced.
8023
8024 2009-03-28  Richard Guenther  <rguenther@suse.de>
8025
8026         PR tree-optimization/38513
8027         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8028         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8029         EXC_PTR_EXPR and FILTER_EXPR.
8030         (get_ref_from_reference_ops): Likewise.
8031
8032 2009-03-28  Richard Guenther  <rguenther@suse.de>
8033
8034         PR tree-optimization/38968
8035         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8036         Use FLOOR_MOD_EXPR to compute misalignment.
8037
8038 2009-03-28  Richard Guenther  <rguenther@suse.de>
8039
8040         PR tree-optimization/37795
8041         * tree.h (combine_comparisons): Declare.
8042         * fold-const.c (combine_comparisons): Export.
8043         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8044         comparisons.
8045         (ifcombine_iforif): Use combine_comparisons.
8046
8047 2009-03-28  Jan Hubicka  <jh@suse.cz>
8048
8049         * tree-eh.c (inlinable_call_p): New function.
8050         (make_eh_edges): Use it.
8051         (verify_eh_edges): Use it.
8052         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8053         * except.c (reachable_next_level): Add inlinable_function argument
8054         (sjlj_find_directly_reachable_regions): Update.
8055         (add_reachable_handler): Do not set saw_any_handlers.
8056         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8057         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8058         Add new inlinable call parameter.
8059         (can_throw_internal, can_throw_external): Update.
8060         * except.h (can_throw_internal_1, can_throw_external_1,
8061         foreach_reachable_handler): Update declaration.
8062
8063 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8064
8065         * config/arm/t-arm-coff, config/h8300/coff.h,
8066         config/i386/i386-aout.h, config/i386/i386-coff.h,
8067         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8068         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8069         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8070         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8071         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8072         sys-types.h: Remove.
8073         * Makefile.in: Remove protoize and fixproto support and references
8074         in comments.
8075         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8076         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8077         Remove.
8078         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8079         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8080         unprotoize$(exeext).
8081         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8082         (.PHONY): Don't depend on proto.
8083         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8084         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8085         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8086         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8087         build/gen-protos.o, build/scan.o, xsys-protos.h,
8088         build/fix-header$(build_exeext), build/fix-header.o,
8089         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8090         stmp-install-fixproto): Remove.
8091         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8092         SYSCALLS.c or fixproto files.
8093         (install-common): Don't install protoize.
8094         (install-headers-tar, install-headers-cpio, install-headers-cp):
8095         Don't depend on $(STMP_FIXPROTO).
8096         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8097         install fixproto files or write out fixproto settings.
8098         (uninstall): Don't uninstall protoize.
8099         * config.gcc (use_fixproto): Remove.
8100         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8101         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8102         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8103         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8104         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8105         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8106         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8107         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8108         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8109         * config/t-vxworks (STMP_FIXPROTO): Remove.
8110         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8111         STMP_FIXPROTO): Remove.
8112         * config.in, configure: Regenerate.
8113         * crtstuff.c (gid_t, uid_t): Don't undefine.
8114         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8115         (arm-*-coff, arm-*-aout: Remove target entries.
8116         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8117         Remove mention of AIX 4.1.
8118         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8119         * doc/invoke.texi (Running Protoize): Remove.
8120         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8121         (Protoize Caveats): Remove.
8122         * tsystem.h: Update comments on headers assumed to exist.
8123
8124 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8125
8126         * genautomata.c: Add a new year to the copyright.  Add a new
8127         reference.
8128         (struct insn_reserv_decl): Add comments for member bypass_list.
8129         (find_bypass): Remove.
8130         (insert_bypass): New.
8131         (process_decls): Use insert_bypass.
8132         (output_internal_insn_latency_func): Output all bypasses with the
8133         same input insn in one switch case.
8134
8135         * rtl.def (define_bypass): Describe bypass choice.
8136         * doc/md.texi (define_bypass): Ditto.
8137
8138 2009-03-27  Richard Guenther  <rguenther@suse.de>
8139
8140         * gimplify.c (mark_addressable): Export.
8141         * tree-flow.h (mark_addressable): Declare.
8142         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8143         * tree-ssa.c (verify_phi_args): Verify that address taken
8144         variables have TREE_ADDRESSABLE set.
8145
8146 2009-03-27  Richard Guenther  <rguenther@suse.de>
8147
8148         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8149         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8150         Do not mark decls TREE_ADDRESSABLE.
8151         (build_fold_addr_expr): Adjust.
8152         (fold_addr_expr): Remove.
8153         (fold_unary): Use build_fold_addr_expr.
8154         (fold_comparison): Likewise.
8155         (split_address_to_core_and_offset): Likewise.
8156         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8157         TREE_ADDRESSABLE.
8158         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8159         (gimplify_modify_expr_to_memcpy): Mark source and destination
8160         addressable.
8161         * omp-low.c (create_omp_child_function): Mark the object decl
8162         TREE_ADDRESSABLE.
8163         (lower_rec_input_clauses): Mark the var we take the address of
8164         TREE_ADDRESSABLE.
8165         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8166
8167 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8168
8169         PR middle-end/39315
8170         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8171         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8172
8173 2009-03-27  Richard Guenther  <rguenther@suse.de>
8174
8175         PR tree-optimization/39120
8176         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8177         constraints.
8178         (handle_lhs_call): Process return constraints.  Add escape
8179         constraints if necessary.
8180         (handle_const_call): Fill out return constraints.  Make nested
8181         case more precise.  Avoid consttmp if possible.
8182         (handle_pure_call): Fill out return constraints.  Avoid
8183         callused if possible.
8184         (find_func_aliases): Simplify call handling.
8185
8186 2009-03-27  Richard Guenther  <rguenther@suse.de>
8187
8188         PR tree-optimization/39120
8189         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8190         as a representative.
8191         (solve_graph): Do propagate CALLUSED.
8192         (handle_pure_call): Use a scalar constraint from CALLUSED for
8193         the return value.
8194         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8195         solutions.
8196
8197 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8198
8199         PR c/39323
8200         * c-common.c (handle_aligned_attribute): Properly check alignment
8201         overflow.  Use (1U << i) instead of (1 << i).
8202
8203         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8204
8205         * expr.h (get_mem_align_offset): Updated.
8206
8207         * tree.h (tree_decl_common): Change align to "unsigned int" and
8208         move it before pointer_alias_set.
8209
8210 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8211             Jakub Jelinek  <jakub@redhat.com>
8212
8213         PR target/38034
8214         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8215         gr_register_operand with gr_reg_or_0_operand.
8216         (cmpxchg_rel_di): Likewise.
8217         (sync_lock_test_and_set<mode>): Likewise.
8218
8219 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8220
8221         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8222         (true_regnum): Likewise.
8223
8224         * rtlanal.c (subreg_info): Moved to ...
8225         * rtl.h (subreg_info): Here.  New.
8226         (subreg_get_info): New.
8227
8228         * rtlanal.c (subreg_get_info): Make it extern.
8229
8230 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8231
8232         PR target/39472
8233         * config/i386/i386.c (ix86_abi): New.
8234         (override_options): Handle -mabi=.
8235         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8236         (ix86_call_abi_override): Likewise.
8237         (init_cumulative_args): Likewise.
8238         (function_arg_advance): Likewise.
8239         (function_arg_64): Likewise.
8240         (function_arg): Likewise.
8241         (ix86_pass_by_reference): Likewise.
8242         (ix86_function_value_regno_p): Likewise.
8243         (ix86_build_builtin_va_list_abi): Likewise.
8244         (setup_incoming_varargs_64): Likewise.
8245         (is_va_list_char_pointer): Likewise.
8246         (ix86_init_machine_status): Likewise.
8247         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8248         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8249         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8250         (ix86_function_abi): Make it static and return enum calling_abi.
8251         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8252         with ix86_abi.
8253         (ix86_fn_abi_va_list): Updated.
8254
8255         * config/i386/i386.h (ix86_abi): New.
8256         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8257         (CONDITIONAL_REGISTER_USAGE): Likewise.
8258         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8259         (machine_function): Likewise.
8260
8261         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8262         with ix86_abi.
8263         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8264         (STACK_BOUNDARY): Likewise.
8265         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8266
8267         * config/i386/i386.opt (mabi=): New.
8268
8269         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8270         return enum calling_abi.
8271         (ix86_function_type_abi): Likewise.
8272         (ix86_function_abi): Removed.
8273
8274         * doc/invoke.texi: Document -mabi= option for x86.
8275
8276 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8277
8278         * builtins.c (real_dconstp): Delete.
8279         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8280
8281 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8282             Jakub Jelinek  <jakub@redhat.com>
8283
8284         PR debug/37959
8285         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8286         (gen_subprogram_die): When a function is explicit, generate the
8287         DW_AT_explicit attribute.
8288         * langhooks.h (struct lang_hooks_for_decls): Add
8289         function_decl_explicit_p langhook.
8290         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8291         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8292
8293 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8294
8295         * builtins.c (fold_builtin_memory_op): Optimize memmove
8296         into memcpy if we can prove source and destination don't overlap.
8297
8298         * tree-inline.c: Include gt-tree-inline.h.
8299         (clone_fn_id_num): New variable.
8300         (clone_function_name): New function.
8301         (tree_function_versioning): Use it.
8302         * Makefile.in (GTFILES): Add tree-inline.c.
8303
8304 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8305
8306         * BASE-VER: Change to 4.5.0.
8307
8308 2009-03-27  Xinliang David Li  <davidxl@google.com>
8309
8310         PR tree-optimization/39557
8311         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8312
8313 2009-03-27  Xinliang David Li  <davidxl@google.com>
8314
8315         PR tree-optimization/39548
8316         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8317         candidate check.
8318
8319 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8320
8321         * c-common.c (pointer_int_sum): Use %wd on return from
8322         tree_low_cst.
8323
8324 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8325
8326         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8327         on return from tree_low_cst.
8328
8329 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8330
8331         PR c++/36799
8332         * ginclude/stdarg.h (va_copy): Define also for
8333         __GXX_EXPERIMENTAL_CXX0X__.
8334
8335 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8336
8337         PR c++/35652
8338         * builtins.h (c_strlen): Do not warn here.
8339         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8340         * c-common.c (pointer_int_sum): Take an explicit location.
8341         Warn about offsets out of bounds.
8342         * c-common.h (pointer_int_sum): Adjust declaration.
8343
8344 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8345
8346         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8347         markup glitch.
8348
8349 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8350
8351         PR c++/39554
8352         * opts.c (warn_if_disallowed_function_p): Don't assume
8353         get_callee_fndecl must return non-NULL.
8354
8355 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8356
8357         PR rtl-optimization/39522
8358         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8359         when reg_reloaded_valid is set.
8360
8361 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8362
8363         * config/spu/divv2df3.c: New file.
8364         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8365         (DPBIT_FUNCS): Filter out _div_df.
8366
8367 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8368
8369         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8370         a jump insn, count that jump in the distance to the loop start.
8371
8372 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8373
8374         PR target/39523
8375         * config/sh/sh.c (calc_live_regs): Fix condition for global
8376         registers except PIC_OFFSET_TABLE_REGNUM.
8377
8378 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8379
8380         PR/39518
8381         * doc/invoke.texi (-mconsole): New.
8382         (-mcygwin): New.
8383         (-mno-cygwin): New.
8384         (-mdll): New.
8385         (-mnop-fun-dllimport): New.
8386         (-mthread): New.
8387         (-mwin32): New.
8388         (-mwindows): New.
8389         (sub section "i386 and x86-64 Windows Options"): New.
8390
8391 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8392
8393         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8394         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8395
8396 2009-03-25  Richard Guenther  <rguenther@suse.de>
8397
8398         PR middle-end/39497
8399         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8400         of -Wno-error.
8401
8402 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8403
8404         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8405         neither of haifa/selective schedulers are working.
8406
8407 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8408
8409         * doc/invoke.texi (Debugging Options): Fix description of
8410         -fno-merge-debug-strings.
8411
8412 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8413
8414         * config/cris/libgcc.ver: New version-script.
8415         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8416
8417         * configure.ac <GAS features, nop mnemonic>: Add pattern
8418         crisv32-*-* for "nop".
8419         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8420         * configure: Regenerate.
8421
8422 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8423
8424         PR tree-optimization/39529
8425         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8426         mark_sym_for_renaming for the tag copied to the new vector
8427         pointer.
8428
8429 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8430
8431         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8432         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8433         EXTRA_SPEC_FUNCTIONS.
8434         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8435         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8436         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8437         -march and -mtune options.
8438
8439 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8440
8441         * config/m68k/t-rtems: Add m5329 multilib.
8442
8443 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8444             Jakub Jelinek  <jakub@redhat.com>
8445
8446         PR debug/39524
8447         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8448         nodes.
8449
8450 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8451
8452         PR c/39495
8453         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8454         instead of c_parser_expression_conv, if original_code isn't one of the
8455         4 allowed comparison codes, fail.
8456
8457 2009-03-23  Richard Guenther  <rguenther@suse.de>
8458
8459         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8460         * tree.h (struct tree_type): Likewise.
8461         * reload.h (struct insn_chain): Likewise.
8462         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8463         * function.h (struct function): Likewise.
8464         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8465
8466 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8467
8468         PR tree-optimization/39516
8469         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8470
8471 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8472
8473         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8474         should be set true if BITS_PER_WORD of target is bigger than 32
8475
8476 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8477
8478         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8479         Translate -B-options to -rpath-link.  Correct existing
8480         rpath-link and conditionalize on !nostdlib.
8481
8482 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8483
8484         * doc/extend.texi (Function Attributes, Variable Attributes):
8485         Fix typos.
8486         * doc/invoke.texi (Debugging Options, Optimize Options)
8487         (i386 and x86-64 Options, MCore Options): Likewise.
8488
8489 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8490
8491         PR debug/37890
8492         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8493         it for block local namespace aliases.
8494         (gen_decl_die): Pass context_die to gen_namespace_die.
8495
8496 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8497
8498         PR c/39495
8499         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8500         minimum or maximum value.
8501
8502 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8503
8504         * reginfo.c (globalize_reg): Recompute derived reg sets.
8505
8506 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8507
8508         PR target/39063
8509         * libgcc2.c (mprotect): Do not use signed arguments for
8510         VirtualProtect, use DWORD arguments.  Also fix the 'may
8511         be used uninitialized' warning for the np variable.
8512
8513 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8514
8515         PR target/39496
8516         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8517         functions using regparm calling conventions when not optimizing.
8518         (ix86_function_sseregparm): Similarly for sseregparm calling
8519         conventions.
8520
8521 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8522
8523         PR middle-end/39500
8524         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8525         dependence if the first conflict is after niter iterations.
8526
8527 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8528
8529         PR middle-end/38609
8530         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8531         functions with dynamic stack-pointer adjustments.
8532
8533 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8534
8535         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8536         option; change to -msdata=data.
8537
8538 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8539
8540         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8541         and -fopenmp.
8542
8543 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8544
8545         PR target/35180
8546         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8547
8548 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8549
8550         * doc/invoke.texi (Code Gen Options): Expand discussion of
8551         -fno-common.
8552
8553 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8554
8555         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8556         * matrix-reorg.c (struct matrix_info): Likewise.
8557         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8558         * rtl.h (struct mem_attrs): Likewise.
8559         * df.h (struct df): Likewise.
8560         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8561         * ira-int.h (struct ira_allocno): Likewise.
8562         * df-scan.c (struct df_collection_rec): Likewise.
8563         * ira.c (struct equivalence): Likewise.
8564         * function.c (struct temp_slot): Likewise.
8565         * cfgloop.h (struct loop): Likewise.
8566
8567         PR debug/39485
8568         * function.c (use_register_for_decl): When not optimizing, disregard
8569         register keyword for variables with types containing methods.
8570
8571 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8572
8573         PR middle-end/39447
8574         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8575         (is_simple_operand): Call contains_component_ref_p before calling data
8576         reference analysis that would fail on COMPONENT_REFs.
8577
8578         * tree-vrp.c (search_for_addr_array): Fix formatting.
8579
8580 2009-03-18  Richard Guenther  <rguenther@suse.de>
8581
8582         * tree-vect-transform.c (vect_loop_versioning): Fold the
8583         generated comparisons.
8584         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8585         (slpeel_tree_peel_loop_to_edge): Likewise.
8586
8587 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8588
8589         PR middle-end/37805
8590         * opts.c (print_specific_help): In addition to `undocumented',
8591         accept `separate' and `joined' flags if passed alone.  Describe
8592         output by the first matched one of those.
8593         (common_handle_option): Skip over empty strings.
8594         * gcc.c (display_help): Fix help string for `--help='.
8595         * doc/invoke.texi (Option Summary, Overall Options): With
8596         `--help=', classes and qualifiers can both be repeated, but
8597         only the latter can be negated.  One should not pass only
8598         negated qualifiers.  Fix markup and examples.
8599
8600         Revert
8601         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8602         PR middle-end/37805
8603         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8604         and -fhelp=separate.
8605
8606 2009-03-17  Jing Yu  <jingyu@google.com>
8607
8608         PR middle-end/39378
8609         * function.h (struct rtl_data): Move is_thunk from here...
8610         (struct function): ...to here.
8611         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8612         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8613         cfun.
8614         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8615         cfun.
8616         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8617         (alpha_output_function_end_prologue): Likewise.
8618         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8619         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8620         (rs6000_output_function_epilogue): Likewise.
8621         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8622
8623 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8624
8625         PR target/39482
8626         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8627         from different units in a single alternative.
8628         (*truncdfsf_i387): Ditto.
8629         (*truncxfsf2_mixed): Ditto.
8630         (*truncxfdf2_mixed): Ditto.
8631
8632 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8633
8634         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8635         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8636
8637         PR debug/39474
8638         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8639         unused non-artificial variables when not optimizing.
8640
8641         PR debug/39471
8642         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8643         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8644         NAMESPACE_DECL in its DECL_INITIAL.
8645
8646         PR middle-end/39443
8647         * optabs.c (set_user_assembler_libfunc): New function.
8648         * expr.h (set_user_assembler_libfunc): New prototype.
8649         * c-common.c: Include libfuncs.h.
8650         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8651         for memcmp, memset, memcpy, memmove and abort.
8652         * Makefile.in (c-common.o): Depend on libfuncs.h.
8653
8654         PR debug/39412
8655         * dwarf2out.c (gen_inlined_enumeration_type_die,
8656         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8657         gen_tagged_type_instantiation_die): Removed.
8658         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8659         do nothing.
8660
8661 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8662
8663         PR testsuite/38526
8664         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8665         its use.
8666         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8667         (check-parallel-%): Ditto.
8668         (check-consistency): Ditto.
8669
8670 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8671
8672         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8673         local variable rhs by NULL_TREE.
8674
8675 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8676
8677         PR target/39477
8678         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8679
8680 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8681
8682         PR target/39476
8683         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8684
8685 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8686
8687         PR target/39473
8688         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8689         for ms->sysv ABI calls only in 64bit mode.
8690
8691         * config/i386/i386.md (untyped_call): Support 32bit.
8692
8693 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8694
8695         * doc/extend.texi: Replace x86_65 with x86_64.
8696
8697 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8698
8699         PR tree-optimization/39455
8700         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8701         mismatches for POINTER_TYPE_P (type).
8702         (number_of_iterations_le): Likewise.
8703
8704 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8705
8706         * config/picochip/picochip.c: Removed profiling support.
8707         * config/picochip/picochip.md: Removed profiling instruction.
8708         * config/picochip/picochip.h: Removed profiling builtin.
8709
8710 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8711
8712         * doc/install.texi (--with-host-libstdcxx): Document.
8713
8714 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8715
8716         PR target/34299
8717         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8718         generate a warning if the function name does not begin with
8719         "__vector" and the function has either the 'signal' or 'interrupt'
8720         attribute, from here to ...
8721         (avr_declare_function_name): ...here. New function.
8722         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8723         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8724
8725 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8726
8727         PR bootstrap/39454
8728         * cse.c (fold_rtx): Don't modify original const_arg1 when
8729         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8730         separate variable instead.
8731         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8732         from out of range shift counts.
8733         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8734
8735 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8736
8737         * config/i386/x-mingw32 (host-mingw32.o): Replace
8738         diagnostic.h with $(DIAGNOSTIC_H).
8739
8740 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8741
8742         PR target/39431
8743         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8744         predicate.
8745         * config/i386/sync.md (sync_compare_and_swap<mode>,
8746         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8747         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8748         into a register.
8749         (sync_double_compare_and_swapdi_pic,
8750         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8751         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8752
8753 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8754
8755         PR target/39445
8756         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8757
8758 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8759
8760         PR target/39327
8761         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8762         (avx_addsubv4df3): Likewise.
8763         (*avx_addsubv4sf3): Likewise.
8764         (sse3_addsubv4sf3): Likewise.
8765
8766 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8767
8768         PR target/38824
8769         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8770
8771 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8772
8773         PR debug/39432
8774         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8775         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8776         registers for allocnos created from user-defined variables.
8777
8778 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8779
8780         PR target/39181
8781         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8782         of non-integer mode as well.
8783
8784 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8785
8786         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8787         for functions for which the parameter types are unknown.
8788
8789 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8790
8791         PR target/39137
8792         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8793         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8794         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8795         * config/i386/i386.c (ix86_local_alignment): For
8796         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8797         long long variables on the stack to avoid dynamic realignment.
8798         Allow the first argument to be a decl rather than type.
8799         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8800
8801 2009-03-11  Nick Clifton  <nickc@redhat.com>
8802
8803         PR target/5362
8804         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8805         options.
8806         Add description to mno-lsim option.
8807         * config/mcore/mcore.h: Remove comment about deprecated m4align
8808         option.
8809         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8810         * doc/invoke.texi: Add description of mno-lsim and
8811         mstack-increment options.
8812
8813         * config/fr30/fr30.opt: Document the -mno-lsim option.
8814         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8815         and -mno-lsim options.
8816
8817 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8818
8819         * fold-const.c (fold_comparison): Only call fold_inf_compare
8820         if the mode supports infinities.
8821
8822 2009-03-11  Jason Merrill  <jason@redhat.com>
8823
8824         PR debug/39086
8825         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8826         end already did.  Notice GIMPLE_CALL modifications of the result.
8827         Don't copy debug information from an ignored decl or a decl from
8828         another function.
8829
8830 2009-03-10  Richard Guenther  <rguenther@suse.de>
8831             Nathan Froyd  <froydnj@codesourcery.com>
8832
8833         PR middle-end/37850
8834         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8835         (__divMODE3): Likewise.
8836
8837 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8838
8839         PR tree-optimization/39394
8840         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8841         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8842
8843 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8844
8845         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8846         inline asms for register asm ("") declarations.
8847
8848 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8849
8850         * fold-const.c (fold_unary): Fix comment.
8851
8852 2009-03-07  Jan Hubicka  <jh@suse.cz>
8853
8854         PR target/39361
8855         * tree-inline.c (setup_one_parameter): Do replacement of const
8856         argument by constant in SSA form.
8857
8858 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8859
8860         PR middle-end/38028
8861         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8862         determine alignment passed to assign_stack_local.
8863         (assign_parms_unsplit_complex): Likewise.
8864         * except.c (sjlj_build_landing_pads): Likewise.
8865
8866 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8867
8868         PR middle-end/39360
8869         * tree-flow.h (add_referenced_var): Return bool instead of void.
8870         * tree-dfa.c (add_referenced_var): Return result of
8871         referenced_var_check_and_insert call.
8872         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8873         of referenced_var_check_and_insert.
8874
8875         PR debug/39372
8876         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8877         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8878         DIE, don't emit it if abstract origin already has it.
8879         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8880         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8881
8882 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8883
8884         * genpreds.c (needs_variable): Fix parentheses at variable name
8885         detection.
8886         (write_tm_constrs_h): Indent generated code.
8887
8888 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8889
8890         * doc/extend.texi (Function Attributes): Add documentation
8891         for isr attributes.
8892
8893 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8894
8895         PR debug/39387
8896         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8897         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8898
8899 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8900
8901         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8902         the loop as bad.
8903
8904 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8905
8906         PR debug/39379
8907         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8908         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8909
8910 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8911
8912         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8913         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8914         constants instead of magic numbers.
8915         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8916         (QI_REG_P): Ditto.
8917         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8918         (x86_64_ms_abi_int_parameter_registers): Ditto.
8919         (x86_64_int_return_registers): Ditto.
8920         (ix86_maybe_switch_abi): Ditto.
8921         (ix86_expand_call): Ditto for clobbered_registers array.
8922         (ix86_hard_regno_mode_ok): Ditto.
8923         (x86_extended_QIreg_mentioned_p): Ditto.
8924
8925 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8926
8927         PR tree-optimization/39349
8928         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8929
8930         * combine.c (gen_lowpart_for_combine): Use omode when generating
8931         clobber.
8932
8933 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8934
8935         PR rtl-optimization/39235
8936         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8937
8938 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8939
8940         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8941
8942 2009-03-04  Richard Guenther  <rguenther@suse.de>
8943
8944         PR tree-optimization/39362
8945         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8946         that occur in abnormal PHIs should be varying.
8947
8948 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8949
8950         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8951         Extend comments.
8952         (simple_iv):  Take loop as an argument instead of statement.
8953         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8954         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8955         to simple_iv.
8956         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8957         Ditto.
8958         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8959         * matrix-reorg.c (analyze_transpose): Ditto.
8960         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8961         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8962         * tree-predcom.c (ref_at_iteration): Ditto.
8963         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8964
8965 2009-03-04  Richard Guenther  <rguenther@suse.de>
8966
8967         PR tree-optimization/39358
8968         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8969         escaped_id and callused_id.
8970         (solve_graph): Likewise.
8971
8972 2009-03-04  Richard Guenther  <rguenther@suse.de>
8973
8974         PR tree-optimization/39339
8975         * tree-sra.c (try_instantiate_multiple_fields): Make it
8976         no longer ICE on the above.
8977
8978 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8979
8980         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8981         that fits within Pmode.
8982
8983 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8984
8985         PR middle-end/10109
8986         * tm.texi (LIBCALL_VALUE): Update description.
8987
8988 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8989
8990         PR middle-end/34443
8991         * doc/extend.texi (section): Update description.
8992
8993 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8994
8995         PR middle-end/39345
8996         * tree-inline.c (remapped_type): New.
8997         (can_be_nonlocal): Call remapped_type instead of remap_type.
8998
8999 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9000
9001         PR fortran/39354
9002         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9003         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9004
9005 2009-03-03  Richard Guenther  <rguenther@suse.de>
9006
9007         PR middle-end/39272
9008         * tree.c (tree_nonartificial_location): New function.
9009         * tree.h (tree_nonartificial_location): Declare.
9010         * builtins.c (expand_builtin_memory_chk): Provide location
9011         of the call location for artificial function pieces.
9012         (maybe_emit_chk_warning): Likewise.
9013         (maybe_emit_sprintf_chk_warning): Likewise.
9014         (maybe_emit_free_warning): Likewise.
9015         * expr.c (expand_expr_real_1): Likewise.
9016
9017 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9018
9019         PR tree-optimization/39343
9020         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9021         COMPONENT_REF t has ARRAY_TYPE.
9022
9023 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9024
9025         PR middle-end/39335
9026         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9027         when the type precision of the induction variable should be
9028         larger than the type precision of nit.
9029         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9030         * graphite.c (graphite_loop_normal_form): Same.
9031         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9032
9033 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9034
9035         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9036         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9037         numbers to describe clobbered registers.
9038         (*call_value_0_rex64_ms_sysv): Ditto.
9039         * config/i386/mmx.md (mmx_emms): Ditto.
9040         (mmx_femms): Ditto.
9041
9042 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9043
9044         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9045         of ABI_64.
9046
9047 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9048
9049         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9050         (spu_section_type_flags): New function.
9051
9052 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9053
9054         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9055         reg_class_contents of FLOAT_REGS into a temporary.
9056
9057 2009-03-02  Richard Guenther  <rguenther@suse.de>
9058             Ira Rosen  <irar@il.ibm.com>
9059
9060         PR tree-optimization/39318
9061         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9062         information to the vectorized statement.
9063
9064 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9065
9066         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9067         variable.  Use defined names instead of magic constants for REX SSE
9068         registers.
9069
9070 2009-03-01  Richard Guenther  <rguenther@suse.de>
9071
9072         PR tree-optimization/39331
9073         * omp-low.c (lower_send_shared_vars): Do not receive new
9074         values for the reference of DECL_BY_REFERENCE parms or results.
9075
9076 2009-03-01  Jan Hubicka  <jh@suse.cz>
9077
9078         PR debug/39267
9079         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9080         BLOCK_NONLOCALIZED_VAR): New macros.
9081         (tree_block): Add nonlocalized_vars.
9082         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9083         gen_decl_die): Add origin argument.  Allow generation of die with
9084         origin at hand only.
9085         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9086         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9087         of gen_*.
9088         (gen_block_die): Fix checking for unused blocks.
9089         (process_scope_var): Break out from .... ; work with origins only.
9090         (decls_for_scope) ... here; process nonlocalized list.
9091         (dwarf2out_ignore_block): Look for nonlocalized vars.
9092         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9093         vars.
9094         (dump_scope_block): Dump them.
9095         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9096         (remap_block): Likewise.
9097         (can_be_nonlocal): New predicate.
9098         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9099
9100 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9101
9102         * configure: Regenerate.
9103
9104 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9105
9106         * optc-gen.awk: No need to duplicate option flags twice.
9107         Reuse help texts for duplicate options which do not have any.
9108
9109         * gcc.c (display_help): Document --version.
9110
9111         * gcc.c (main): If print_help_list and verbose_flag, ensure
9112         driver output comes before subprocess output.
9113
9114         * optc-gen.awk: Assign all remaining fields to help string,
9115         space-separated, for multi-line help in *.opt.
9116
9117         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9118         -Wno-pedantic-ms-format is for MinGW targets only.
9119
9120         * doc/options.texi (Option file format): Fix bad indentation,
9121         restoring dropped sentence.
9122
9123 2009-02-28  Jan Hubicka  <jh@suse.cz>
9124
9125         * tree-inline.c (tree_function_versioning): Output debug info.
9126
9127 2009-02-28  Jan Hubicka  <jh@suse.cz>
9128
9129         PR debug/39267
9130         * tree-inline.c (setup_one_parameter): Do not copy propagate
9131         arguments when not optimizing.
9132
9133 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9134
9135         PR target/39327
9136         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9137         (avx_addsubv4df3): Likewise.
9138         (*avx_addsubv4sf3): Likewise.
9139         (sse3_addsubv4sf3): Likewise.
9140         (*avx_addsubv2df3): Likewise.
9141         (sse3_addsubv2df3): Likewise.
9142         (avx_unpckhps256): Correct item selectors.
9143         (avx_unpcklps256): Likewise.
9144         (avx_unpckhpd256): Likewise.
9145         (avx_unpcklpd256): Likewise.
9146
9147 2009-02-28  Jan Hubicka  <jh@suse.cz>
9148
9149         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9150         static vars.
9151         (copy_arguments_for_versioning): If var is declared don't declare it.
9152         (tree_function_versioning): First setup substitutions and then copy
9153         args.
9154
9155 2009-02-27  Jan Hubicka  <jh@suse.cz>
9156
9157         PR debug/39267
9158         * cgraph.h (varpool_output_debug_info): Remove.
9159         * cgraphunit.c (varpool_output_debug_info): Remove.
9160         * dwarf2out.c (deferred_locations_struct): New struct
9161         (deferred_locations): New type.
9162         (deferred_locations_list): New static var.
9163         (deffer_location): New function.
9164         (gen_variable_die): Use it.
9165         (decls_for_scope): Output info on local static vars.
9166         (dwarf2out_finish): Process deferred locations.
9167         * varpool.c (varpool_output_debug_info): Remove.
9168
9169 2009-02-27  Jan Hubicka  <jh@suse.cz>
9170
9171         PR debug/39267
9172         * tree.h (TREE_PROTECTED): Fix comment.
9173         (BLOCK_HANDLER_BLOCK): Remove.
9174         (struct tree_block): Remove handler_block add body_block.
9175         (inlined_function_outer_scope_p): New.
9176         (is_body_block): Remove.
9177         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9178         * dwarf2out.c (is_inlined_entry_point): Remove.
9179         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9180         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9181         code.
9182         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9183         * gimplify.c (gimplify_expr): Gimplify body blocks.
9184         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9185         block with multiple subblocks.
9186         (dump_scope_block): Prettier output; dump more flags and info.
9187         (dump_scope_blocks): New.
9188         (remove_unused_locals): Use dump_scope_blocks.
9189         * tree-flow.h (dump_scope_blocks): Declare.
9190         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9191         * stmt.c (is_body_block): Remove.
9192         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9193         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9194
9195 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9196
9197         PR middle-end/39308
9198         * graphite.c (graphite_loop_normal_form): Do not call
9199         number_of_iterations_exit from a gcc_assert.
9200
9201 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9202
9203         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9204         jumps if COND is NULL.
9205         (find_cond_jump): New function.
9206         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9207         * config/s390/s390.md: Remove z10_cobra attribute value.
9208
9209 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9210
9211         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9212         force_const_mem returns NULL_RTX.
9213
9214 2009-02-26  Jan Hubicka  <jh@suse.cz>
9215
9216         PR debug/39267
9217         * cgraph.h (varpool_output_debug_info): Remove.
9218         * cgraphunit.c (varpool_output_debug_info): Remove.
9219         * dwarf2out.c (deferred_locations_struct): New struct
9220         (deferred_locations): New type.
9221         (deferred_locations_list): New static var.
9222         (deffer_location): New function.
9223         (gen_variable_die): Use it.
9224         (decls_for_scope): Output info on local static vars.
9225         (dwarf2out_finish): Process deferred locations.
9226         * varpool.c (varpool_output_debug_info): Remove.
9227
9228 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9229
9230         PR rtl-optimization/39241
9231         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9232         to subreg_offset_representable_p.
9233
9234 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9235
9236         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9237         execute function prototype.  Get f and nregs from max_reg_num
9238         and get_insns.  Remove the first backward pass as it's dead,
9239         guard the forward pass by flag_expensive_optimizations.
9240         (rest_of_handle_regmove): Delete.
9241         (pass_regmove): Replace it with regmove_optimize.
9242
9243 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9244
9245         PR tree-optimization/39259
9246         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9247         calls_alloca function flags.
9248         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9249         calls are detected.
9250
9251 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9252
9253         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9254         flags_set_1_rtx, flags_set_1_set): Delete.
9255         (regmove_optimize): Do not call mark_flags_life_zones.
9256
9257 2009-02-24  Julian Brown  <julian@codesourcery.com>
9258
9259         PR target/35965
9260         * config/arm/arm.c (require_pic_register): Only set
9261         cfun->machine->pic_reg once per function.
9262
9263 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9264
9265         * doc/invoke.texi (Link Options): Document an easier way to pass
9266         options that take arguments to the GNU linker using -Xlinker and -Wl.
9267
9268 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9269
9270         PR target/33785
9271         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9272
9273 2009-02-24  Richard Guenther  <rguenther@suse.de>
9274
9275         PR debug/39285
9276         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9277
9278 2009-02-24  Richard Guenther  <rguenther@suse.de>
9279             Zdenek Dvorak  <ook@ucw.cz>
9280
9281         PR tree-optimization/39233
9282         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9283         from converting them to a generic type.
9284
9285 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9286
9287         PR tree-optimization/39260
9288         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9289         contains a condition with a real type.
9290         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9291
9292 2009-02-23  Jason Merrill  <jason@redhat.com>
9293
9294         PR c++/38880
9295         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9296         narrowing_initializer_constant_valid_p.
9297         (narrowing_initializer_constant_valid_p): Don't return
9298         null_pointer_node for adding a pointer to itself.
9299
9300 2009-02-23  Jan Hubicka  <jh@suse.cz>
9301
9302         PR c/12245
9303         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9304         resizing.
9305
9306 2009-02-23  Jan Hubicka  <jh@suse.cz>
9307
9308         PR tree-optimization/37709
9309         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9310         * tree.h (block_ultimate_origin): Declare.
9311         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9312         * tree-ssa-live.c (remove_unused_scope_block_p):
9313         Eliminate blocks containig no instructions nor live variables nor
9314         nested blocks.
9315         (dump_scope_block): New function.
9316         (remove_unused_locals): Enable removal of dead blocks by default;
9317         enable dumping at TDF_DETAILS.
9318
9319 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9320
9321         * config/i386/i386.c (classify_argument): Don't allow COImode
9322         and OImode.
9323         (function_arg_advance_32): Don't allow OImode.
9324         (function_arg_32): Likewise.
9325         (function_value_32): Likewise.
9326         (return_in_memory_32): Likewise.
9327         (function_arg_64): Remove OImode comment.
9328
9329 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9330
9331         PR target/39261
9332         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9333         ix86_expand_vector_set for V4DImode in 64bit mode only.
9334         (ix86_expand_vector_init_one_var): Likewise.
9335
9336 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9337
9338         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9339
9340 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9341
9342         PR bootstrap/39257
9343         * loop-iv.c: Revert last change.
9344         * emit-rtl.c: Likewise.
9345
9346 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9347
9348         PR target/39256
9349         * config/i386/i386.c (type_natural_mode): Remove an extra
9350         space in the warning message.
9351         (function_value_32): Handle 32-byte vector modes.
9352         (return_in_memory_32): Likewise.
9353
9354 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9355
9356         * loop-iv.c (truncate_value): New function.
9357         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9358         of lowpart_subreg.
9359         (lowpart_subreg): Move to...
9360         * emit-rtl.c: ...here.
9361
9362 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9363
9364         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9365         accidental and undocumented change at revision 140860.
9366
9367 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9368
9369         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9370         take gimple_seq * arguments.
9371         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9372         types_compatible_p langhook.
9373
9374 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9375             Joseph Myers  <joseph@codesourcery.com>
9376
9377         * config/arm/arm.c (arm_builtin_va_list): New function.
9378         (arm_expand_builtin_va_start): Likewise.
9379         (arm_gimplify_va_arg_expr): Likewise.
9380         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9381         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9382         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9383         (va_list_type): New variable.
9384         (arm_mangle_type): Mangle va_list_type appropriately.
9385
9386 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9387
9388         PR middle-end/39157
9389         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9390         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9391         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9392         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9393         parameter to 1000 for -O1 by default.
9394         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9395         parameter.
9396         * loop-invariant.c: Include params.h.
9397         (move_loop_invariants): Don't call move_single_loop_invariants on
9398         very large loops.
9399
9400 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9401
9402         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9403         offset when calculating bounds for indexing stack_usage_map.  Fixes
9404         a buffer overflow with certain target setups.
9405
9406 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9407
9408         PR target/39240
9409         * calls.c (expand_call): Clear try_tail_call if caller and callee
9410         disagree in promotion of function return value.
9411
9412 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9413
9414         PR target/39175
9415         * c-common.c (c_determine_visibility): If visibility changed and
9416         DECL_RTL has been already set, call make_decl_rtl to update symbol
9417         flags.
9418
9419 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9420
9421         PR c++/39188
9422         * varasm.c (assemble_variable): Don't check DECL_NAME when
9423         globalizing a variable.
9424
9425 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9426
9427         PR c/38483
9428         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9429         expression before any __builtin_trap call.
9430         * c-typeck.c (build_function_call): Convert and check function
9431         arguments before generating a call to a trap.  Evaluate the
9432         function arguments before the trap.
9433
9434 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9435
9436         PR target/39228
9437         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9438         (UNSPEC_FXAM_MEM): New unspec.
9439         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9440         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9441         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9442
9443 2009-02-19  Richard Guenther  <rguenther@suse.de>
9444
9445         PR tree-optimization/39207
9446         PR tree-optimization/39074
9447         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9448         storedanything_tree): New.
9449         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9450         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9451         (build_succ_graph): Add edges from STOREDANYTHING to all
9452         non-direct nodes.
9453         (init_base_vars): Initialize STOREDANYTHING.
9454         (compute_points_to_sets): Free substitution info after
9455         building the succ graph.
9456         (ipa_pta_execute): Likewise.
9457
9458         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9459         field.
9460         (do_ds_constraint): Do not add to special var or non-pointer
9461         field solutions.
9462         (type_could_have_pointers): Split out from ...
9463         (could_have_pointers): ... here.  For arrays use the element type.
9464         (create_variable_info_for): Initialize may_have_pointers.
9465         (new_var_info): Likewise.
9466         (handle_lhs_call): Make the HEAP variable unknown-sized.
9467         (intra_create_variable_infos): Use a type with pointers for
9468         PARM_NOALIAS, make it unknown-sized.
9469
9470 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9471
9472         PR target/39224
9473         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9474
9475 2009-02-18  Jason Merrill  <jason@redhat.com>
9476
9477         PR target/39179
9478         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9479         value if DECL_EXTERNAL.
9480         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9481         * target.h (gcc_target::binds_local_p): Clarify "module".
9482         * tree.h (TREE_PUBLIC): Clarify "module".
9483
9484 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9485
9486         PR target/38891
9487         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9488         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9489
9490 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9491
9492         PR target/39082
9493         * c.opt (Wabi): Support C and ObjC.
9494         (Wpsabi): New.
9495
9496         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9497
9498         * config/i386/i386.c (classify_argument): Warn once about the ABI
9499         change when passing union with long double.
9500
9501         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9502
9503 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9504
9505         PR c/35447
9506         * c-parser.c (c_parser_compound_statement): Always enter and leave
9507         a scope.
9508
9509 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9510
9511         PR target/34587
9512         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9513
9514 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9515
9516         PR tree-optimization/36922
9517         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9518         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9519         Likewise.
9520
9521 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9522
9523         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9524         to 0 for EABI64.
9525
9526 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9527
9528         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9529
9530 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9531
9532         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9533         tree sharing.
9534
9535 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9536             Richard Sandiford  <rdsandiford@googlemail.com>
9537
9538         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9539         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9540         (loongson_biadd): ...this.
9541
9542 2009-02-17  Richard Guenther  <rguenther@suse.de>
9543
9544         PR tree-optimization/39202
9545         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9546         a var make sure to follow existing collapses.
9547
9548 2009-02-17  Richard Guenther  <rguenther@suse.de>
9549
9550         PR middle-end/39214
9551         * langhooks.c (lhd_print_error_function): Check for NULL block.
9552
9553 2009-02-17  Richard Guenther  <rguenther@suse.de>
9554
9555         PR tree-optimization/39204
9556         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9557         of the PHI arg.
9558
9559 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9560
9561         * config/soft-fp/double.h: Update from glibc CVS.
9562
9563 2009-02-17  Richard Guenther  <rguenther@suse.de>
9564
9565         PR tree-optimization/39207
9566         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9567         strict-aliasing warnings for pointers pointing to NULL.
9568
9569 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9570
9571         PR c/35446
9572         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9573         skipping until next close brace.
9574
9575 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9576
9577         PR target/37049
9578         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9579         to function argument boundary.
9580
9581 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9582
9583         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9584         in the lea_add. Reload eventually constraints it properly.
9585         * config/picochip/constraints.md: Remove the target constraint
9586         "b", since it is not needed anymore.
9587
9588 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9589
9590         * gthr-dce.h: Uglify function parameter and local variable names.
9591         * gthr-gnat.h: Likewise.
9592         * gthr-mipssde.h: Likewise.
9593         * gthr-nks.h: Likewise.
9594         * gthr-posix95.h: Likewise.
9595         * gthr-posix.h: Likewise.
9596         * gthr-rtems.h: Likewise.
9597         * gthr-single.h: Likewise.
9598         * gthr-solaris.h: Likewise.
9599         * gthr-tpf.h: Likewise.
9600         * gthr-vxworks.h: Likewise.
9601         * gthr-win32.h: Likewise.
9602
9603 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9604
9605         PR target/39196
9606         * config/i386/i386.md: Restrict the new peephole2 to move
9607         between MMX/SSE registers.
9608
9609 2009-02-15  Richard Guenther  <rguenther@suse.de>
9610
9611         Revert
9612         2009-02-13  Richard Guenther  <rguenther@suse.de>
9613
9614         * configure.ac: Enable LFS.
9615         * configure: Re-generate.
9616         * config.in: Likewise.
9617
9618 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9619
9620         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9621         spu_srqwbyte, spu_srqwbytebc): Define.
9622         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9623         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9624         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9625         "shrqby_<mode>"): New insn-and-split patterns.
9626         * config/spu/spu.c (expand_builtin_args): Determine and return
9627         number of operands using spu_builtin_description data.
9628         (spu_expand_builtin_1): Use it.
9629
9630 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9631
9632         PR target/38056
9633         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9634         TARGET_CONST_GP.
9635
9636 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9637
9638         PR target/39149
9639         * config/i386/i386.c (override_options): Correct warning
9640         messages for -malign-loops, -malign-jumps and -malign-functions.
9641
9642 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9643
9644         PR target/39152
9645         * config/i386/i386.md: Restrict the new peephole2 to move
9646         between the general purpose registers.
9647
9648 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9649
9650         PR target/39162
9651         * config/i386/i386.c (type_natural_mode): Add a new argument.
9652         Return the original mode and warn ABI change if vector size is 32byte.
9653         (function_arg_advance): Updated.
9654         (function_arg): Likewise.
9655         (ix86_function_value): Likewise.
9656         (ix86_return_in_memory): Likewise.
9657         (ix86_sol10_return_in_memory): Likewise.
9658         (ix86_gimplify_va_arg): Likewise.
9659         (function_arg_32): Don't warn ABX ABI change here.
9660         (function_arg_64): Likewise.
9661
9662 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9663
9664         * loop-iv.c (implies_p): In the final case, test that operands 0
9665         of the two comparisons match.
9666
9667         * config/bfin/bfin.c (find_prev_insn_start): New function.
9668         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9669         (find_next_insn_start): Move.
9670
9671 2009-02-13  Richard Guenther  <rguenther@suse.de>
9672
9673         * configure.ac: Enable LFS.
9674         * configure: Re-generate.
9675         * config.in: Likewise.
9676
9677 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9678
9679         PR c/35444
9680         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9681         sizes on syntax error after some arguments have been parsed.
9682
9683 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9684
9685         * doc/invoke.texi (-fira): Remove.
9686
9687 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9688
9689         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9690         * recog.c: Likewise.
9691         * rtl.h: Likewise.
9692
9693 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9694
9695         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9696         (umul_ppmm): Likewise.
9697         (count_leading_zeros): Likewise.
9698         (count_trailing_zeros): Likewise.
9699         (UMUL_TIME): Likewise.
9700
9701 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9702
9703         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9704         soft-fp/t-softfp to tmake_file.
9705
9706         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9707         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9708         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9709         IA64_BUILTIN_INFQ]: New.
9710         (ia64_init_builtins): Initialize __builtin_infq,
9711         __builtin_fabsq and __builtin_copysignq if not HPUX.
9712         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9713         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9714
9715         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9716         SHARED is defined.
9717         (__fixtfti): Likewise.
9718         (__fixunstfti): Likewise.
9719         (__floattitf): Likewise.
9720
9721         * config/ia64/libgcc-glibc.ver: New.
9722         * config/ia64/t-fprules-softfp: Likewise.
9723         * config/ia64/sfp-machine.h: Likewise.
9724
9725         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9726         (LIBGCC2_TF_CEXT): Likewise.
9727         (TF_SIZE): Likewise.
9728         (TARGET_INIT_LIBFUNCS): Likewise.
9729
9730         * config/ia64/t-glibc (SHLINB_MAPFILES):
9731         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9732
9733 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9734
9735         * config/i386/i386.c (construct_container): Rewrite processing
9736         BLKmode with X86_64_SSE_CLASS.
9737
9738 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9739
9740         PR target/39152
9741         * config/i386/i386.md: Replace simplify_replace_rtx with
9742         replace_rtx in the new peephole2.
9743
9744 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9745
9746         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9747         loop unrolling do not happen at -O2.
9748
9749 2009-02-12  Michael Matz  <matz@suse.de>
9750
9751         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9752
9753 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9754
9755         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9756         for -g3.
9757
9758 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9759
9760         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9761         patterns when updating the back chain.  Missed in the 2009-02-10
9762         change.
9763
9764 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9765
9766         * doc/extend.texi (Decimal Floating Types): Update identifier of
9767         draft TR and list of missing support.
9768
9769 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9770
9771         PR middle-end/39154
9772         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9773         bit to variable length decl's flags, add it also to its
9774         pointer replacement variable.
9775
9776 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9777             Jakub Jelinek  <jakub@redhat.com>
9778
9779         PR target/39118
9780         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9781         (memory_blockage): New expander.
9782         (*memory_blockage): New insn pattern.
9783         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9784         instead of general blockage at the end of function prologue when
9785         frame pointer is used to access red zone area.  Do not emit blockage
9786         when profiling, it is emitted in generic code.
9787         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9788         function epilogue when frame pointer is used to access red zone area.
9789
9790 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9791
9792         PR target/38824
9793         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9794         by arithmetic with memory operands.
9795         * config/i386/predicates.md (commutative_operator): New.
9796
9797 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9798
9799         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9800         bulleted lists.
9801
9802 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9803
9804         * alias.h (record_alias_subset): Declare.
9805         * alias.c (record_alias_subset): Make global.
9806
9807 2009-02-10  Nick Clifton  <nickc@redhat.com>
9808
9809         * tree-parloops.c: Change license to GPLv3.
9810         * ipa-struct-reorg.c: Change license to GPLv3.
9811         * ipa-struct-reorg.h: Change license to GPLv3.
9812
9813 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9814
9815         PR c/39084
9816         * c-decl.c (start_struct): Return NULL on error.
9817
9818 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9819
9820         PR middle-end/39124
9821         * cfgloopmanip.c (remove_path): Call remove_bbs after
9822         cancel_loop_tree, not before it.
9823
9824         PR target/39139
9825         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9826         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9827         VAR_DECLs were seen.
9828         * tree-ssa-live.c (remove_unused_locals): Recompute
9829         cfun->has_local_explicit_reg_vars.
9830         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9831         copies or clearings if cfun->has_local_explicit_reg_vars.
9832
9833 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9834
9835         PR target/39118
9836         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9837         of function prologue when frame pointer is used to access
9838         red zone area.
9839
9840 2009-02-10  Richard Guenther  <rguenther@suse.de>
9841
9842         PR middle-end/39127
9843         * gimplify.c (gimple_regimplify_operands): Always look if
9844         we need to create a temporary.
9845
9846 2009-02-10  Richard Guenther  <rguenther@suse.de>
9847
9848         PR tree-optimization/39132
9849         * tree-loop-distribution.c (todo): New global var.
9850         (generate_memset_zero): Trigger TODO_rebuild_alias.
9851         (tree_loop_distribution): Return todo.
9852
9853 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9854
9855         PR target/39119
9856         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9857         (x86_64_reg_class_name): Removed.
9858         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9859         first one isn't X86_64_SSE_CLASS or any other ones aren't
9860         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9861         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9862         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9863         and 3 X86_64_SSEUP_CLASS.
9864         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9865         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9866
9867 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9868
9869         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9870         form instruction to update the stack back chain word, even if the
9871         user has disabled the generation of update instructions.
9872         (movdi_<mode>_update_stack): New.
9873         (movsi_update_stack): Likewise.
9874         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9875         always use an update form instruction to update the stack back
9876         chain word.
9877
9878 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9879
9880         PR middle-end/38953
9881         * graphite.c (if_region_set_false_region): After moving a region in
9882         the false branch of a condition, remove the empty dummy basic block.
9883         (gloog): Remove wrong fix for PR38953.
9884
9885 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9886
9887         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9888         generation due to implicit sign extension.
9889
9890 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9891
9892         PR middle-end/38981
9893         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9894         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9895
9896 2009-02-09  Richard Guenther  <rguenther@suse.de>
9897
9898         PR middle-end/35202
9899         * convert.c (convert_to_real): Disable (float)fn((double)x)
9900         to fnf(x) conversion if errno differences may occur and
9901         -fmath-errno is set.
9902
9903 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9904
9905         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9906         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9907         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9908
9909 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9910
9911         PR c/35434
9912         * c-common.c (handle_alias_attribute): Disallow attribute for
9913         anything not a FUNCTION_DECL or VAR_DECL.
9914
9915 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9916
9917         PR c/39035
9918         * real.c (do_compare): Special-case compare of zero against
9919         decimal float value.
9920
9921 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9922
9923         PR c/36432
9924         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9925         as indicating flexible array members unless the field itself is
9926         being declarared as the incomplete array.
9927
9928 2009-02-06  Jan Hubicka  <jh@suse.cz>
9929
9930         PR tree-optimization/38844
9931         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9932         is already inlined.
9933
9934 2009-02-06  Richard Guenther  <rguenther@suse.de>
9935
9936         PR middle-end/38977
9937         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9938         fork because we may expand it as __gcov_fork.
9939
9940 2009-02-06  Nick Clifton  <nickc@redhat.com>
9941
9942         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9943
9944 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9945
9946         PR tree-optimization/35659
9947         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9948         vn_phi_eq): Shortcut if hashcode does not match.
9949         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9950         NULL operands.
9951         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9952         and avoid iterative_hash_expr.
9953         (FOR_EACH_VALUE_ID_IN_SET): New.
9954         (value_id_compare): Remove.
9955         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9956         sort expressions by value id.
9957
9958 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9959
9960         PR target/38991
9961         * config/sh/predicates.md (general_movsrc_operand): Don't check
9962         the subreg of system registers here.
9963
9964 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9965
9966         PR c++/39106
9967         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9968         on the copied decl.
9969
9970 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9971
9972         PR rtl-optimization/39110
9973         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9974         addresses, not aligned ones.
9975
9976 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9977             Richard Guenther  <rguenther@suse.de>
9978
9979         PR tree-optimization/39100
9980         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9981         comment says and add edges.
9982
9983 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9984
9985         PR c/35435
9986         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9987         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9988
9989 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9990
9991         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9992         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9993         register_bb_in_sese, new_sese, free_sese): Moved.
9994         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9995         outermost_loop_in_scop, build_scop_iteration_domain,
9996         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9997         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9998         Use loop_in_sese_p instead of loop_in_scop_p.
9999         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10000         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10001         (scopdet_basic_block_info): Fix bug in scop detection.
10002         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10003         eq_loop_to_cloog_loop): Remove.
10004         (nb_loops_around_loop_in_scop, nb_loop
10005         ref_nb_loops): Moved here...
10006         * graphite.h (ref_nb_loops): ... from here.
10007         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10008         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10009         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10010         * testsuite/gcc.dg/graphite/scop-19.c: New
10011
10012 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10013             Hans-Peter Nilsson  <hp@axis.com>
10014
10015         PR rtl-optimization/37889
10016         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10017         Move offset handling from PLUS to before the switch.  Use new
10018         arguments when considering SYMBOL_REFs too.
10019         (rtx_addr_can_trap_p): Pass dummy offset and size.
10020         (enum may_trap_p_flags): Remove.
10021         (may_trap_p_1): Pass size from MEM_SIZE.
10022
10023         PR rtl-optimization/38921
10024         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10025         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10026         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10027         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10028
10029 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10030
10031         AVX Programming Reference (January, 2009)
10032         * config/i386/sse.md (*vpclmulqdq): New.
10033
10034 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10035
10036         PR tree-optimization/38977
10037         PR gcov-profile/38292
10038         * calls.c (special_function_p): Disregard __builtin_ prefix.
10039
10040 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10041
10042         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10043         non-indexable addresses even before reload.
10044
10045 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10046
10047         PR c/29129
10048         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10049         as having variable size.  Do not give an error for unnamed
10050         parameters with [*] declarators.  Give a warning for type names
10051         with [*] declarators and mark them as variable size.
10052         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10053         for sizeof applied to [*] type names.
10054
10055 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10056
10057         PR C++/36607
10058         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10059
10060 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10061
10062         * gcc.c (process_command): Update copyright notice dates.
10063         * gcov.c (print_version): Likewise.
10064         * gcov-dump.c (print_version): Likewise.
10065         * mips-tfile.c (main): Likewise.
10066         * mips-tdump.c (main): Likewise.
10067
10068 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10069
10070         PR c/35433
10071         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10072         for composite type involving a zero-length array type.
10073
10074 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10075
10076         PR target/35318
10077         * function.c (match_asm_constraints_1): Skip over
10078         initial optional % in the constraint.
10079
10080         PR inline-asm/39059
10081         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10082         supported, don't accept FIXED_CSTs.
10083         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10084         and _Sat is used without _Fract/_Accum.  Set specs->type to
10085         integer_type_node for cts_fract/cts_accum if fixed point is not
10086         supported.
10087
10088 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10089
10090         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10091
10092 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10093
10094         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10095         (ABI_HAS_64BIT_SYMBOLS): Use it.
10096         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10097
10098 2009-02-02  Paul Brook  <paul@codesourcery.com>
10099
10100         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10101
10102 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10103
10104         PR inline-asm/39058
10105         * recog.h (asm_operand_ok): Add constraints argument.
10106         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10107         recurse on matching constraint.
10108         (check_asm_operands): Pass constraints as 3rd argument to
10109         asm_operand_ok.  Don't look up matching constraint here.
10110         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10111         to asm_operand_ok.
10112
10113 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10114
10115         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10116         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10117
10118 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10119
10120         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10121         information.  Remove some obsolete information.  Reorganize.
10122
10123         * config/pa/fptr.c: Revert license to GPL 2.
10124         * config/pa/milli64.S: Likewise.
10125
10126 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10127
10128         PR target/38904
10129         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10130         LIBRARY name in, instead of hard-coding it.
10131         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10132         extra target make frag to tmake_files according to EH model.
10133         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10134         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10135         frags that define makefile variable EH_MODEL appropriately.
10136         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10137         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10138         to "-sjlj" according to type of EH configured.
10139         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10140         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10141         to "_sjlj" according to type of EH configured.
10142         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10143         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10144         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10145         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10146         string value of "pe_dll" command-line option.
10147         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10148         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10149         (SHLIB_IMPLIB):  Override t-cygming default.
10150         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10151         string value of "pe_dll" command-line option.
10152
10153 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10154
10155         PR target/38952
10156         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10157         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10158
10159 2009-01-31  Richard Guenther  <rguenther@suse.de>
10160
10161         PR tree-optimization/38937
10162         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10163         computing the transitive closure.
10164
10165 2009-01-30  Richard Guenther  <rguenther@suse.de>
10166
10167         PR tree-optimization/39041
10168         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10169         Propagate variable indices only if the types match for this stmt.
10170
10171 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10172
10173         PR target/39013
10174         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10175         inline but never defined.
10176
10177 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10178
10179         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10180         (*insv_h_di_reg_extimm): New insn.
10181         (*insv_l<mode>_reg_extimm): New insn.
10182
10183 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10184
10185         * config/picochip/picochip.c (flag_conserve_stack): set
10186         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10187         fconserve-stack. Reduce call-overhead used by inliner.
10188
10189 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10190
10191         PR/38157
10192         * common.opt (flag_conserve_stack): Initialised to zero.
10193
10194 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10195
10196         PR/39002
10197         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10198         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10199         method.
10200
10201 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10202
10203         * ira-color.c (allocno_reload_assign): Update comments.
10204         * regmove.c (regmove_optimize): Likewise.
10205
10206         * ra.h: Removed.
10207
10208 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10209
10210         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10211         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10212         `MD_UNWIND_SUPPORT'.
10213         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10214
10215 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10216
10217         PR tree-optimization/39007
10218         * tree-loop-distribution.c (generate_builtin): Use
10219         recompute_dominator to compute the immediate dominator of the
10220         basic block just after the loop.
10221
10222 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10223
10224         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10225         (ASM_OUTPUT_DWARF_PCREL): Define.
10226
10227 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10228
10229         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10230         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10231         global.  Modify entries about regmove and IRA.
10232
10233         * ra-conflict.c: Remove the file.
10234
10235         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10236
10237         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10238         (pass_regclass_init): Rename to pass_reginfo_init.
10239
10240         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10241
10242         * toplev.h (flag_ira): Remove.
10243
10244         * caller-save.c (setup_save_areas): Remove flag_ira.
10245
10246         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10247
10248         * global.c: Remove the file.
10249
10250         * opts.c (decode_options): Remove flag_ira.
10251
10252         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10253
10254         * regmove.c: Modify file description.
10255         (find_use_as_address, try_auto_increment): Define them only if
10256         AUTO_INC_DEC is defined.
10257         (replacement_quality, replace_in_call_usage, fixup_match_1,
10258         stable_and_no_regs_but_for_p): Remove.
10259         (reg_set_in_bb): Make it static.
10260         (regmove_optimize): Remove flag_ira and code which worked for
10261         !flag_ira.
10262
10263         * local-alloc.c: Remove the file.
10264
10265         * common.opt (fira): Remove.
10266
10267         * ira.c: Include except.h.
10268         (eliminable_regset): Move from global.c.
10269         (mark_elimination): Ditto.  Remove flag_ira.
10270         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10271         equiv_mem_modified, validate_equiv_mem_from_store,
10272         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10273         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10274         no_equiv, recorded_label_ref): Move from local-alloc.c.
10275         (update_equiv_regs): Ditto.  Make it static.
10276         (print_insn_chain, print_insn_chains): Move it from global.c.
10277         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10278         (build_insn_chain): Ditto.  Make it static.
10279         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10280         Rename to init_live_subregs.
10281         (gate_ira): Remove flag_ira.
10282
10283         * regclass.c: Rename reginfo.c.  Change file description.
10284         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10285         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10286         (init_reg_sets_1): Remove code for evaluation of
10287         reg_class_superclasses and losing_caller_save_reg_set.
10288         (init_regs): Remove init_reg_autoinc.
10289         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10290         ok_for_base_p_nonstrict): Remove.
10291         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10292         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10293         corresponding entries.
10294         (dump_regclass, record_operand_costs, scan_one_insn,
10295         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10296         record_address_regs, auto_inc_dec_reg_p): Remove.
10297         (gt-regclass.h): Rename to gt-reginfo.h.
10298
10299         * rtl.h (dump_global_regs, retry_global_alloc,
10300         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10301
10302         * Makefile.in (RA_H): Remove.
10303         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10304         Rename regclass.o to reginfo.o.
10305         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10306         gt-reginfo.h.
10307         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10308         (GTFILES): Rename regclass.c to reginfo.c.
10309
10310         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10311         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10312
10313         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10314         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10315         Remove flag_ira.
10316         (finish_spills): Ditto.  Remove code for !flag_ira.
10317
10318 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10319
10320         PR middle-end/35854
10321         * doc/invoke.texi (rtl debug options): Complete rewrite.
10322         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10323         to auto_inc_dec".
10324         * mode-switching.c (pass_mode_switching): Rename pass from
10325         "mode-sw" to "mode_sw".
10326         * except.c (pass_convert_to_eh_ranges): Rename pass from
10327         "eh-ranges" to "eh_ranges".
10328         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10329         to "subreg1".
10330
10331
10332 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10333             Alexander Monakov  <amonakov@ispras.ru>
10334
10335         PR middle-end/38857
10336         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10337         register.
10338         (move_exprs_to_boundary): Change return type and pass through
10339         should_move from move_op.  Relax assert.  Update usage ...
10340         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10341         cant_move.
10342         (move_op_orig_expr_found): Indicate that insn was disconnected from
10343         stream.
10344         (code_motion_process_successors): Do not call after_merge_succs
10345         callback if original expression was not found when traversing any of
10346         the branches.
10347         (code_motion_path_driver): Change return type.  Update prototype.
10348         (move_op): Update comment.  Add a new parameter (should_move).  Update
10349         prototype.  Set *should_move based on indication provided by
10350         move_op_orig_expr_found.
10351
10352 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10353
10354         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10355         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10356         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10357         * config/rs6000/rs6000.c (rs6000_override_options): Default
10358         avoid-indexed-addresses on for Power6, off for everything else.
10359         (avoiding_indexed_address_p): New function.
10360         (rs6000_legitimize_address): Use it.
10361         (rs6000_legitimate_address): Likewise.
10362         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10363
10364 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10365
10366         PR tree-optimization/38997
10367         * tree-loop-distribution.c (generate_memset_zero): Use
10368         POINTER_PLUS_EXPR for a pointer addition.
10369
10370 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10371
10372         * config/s390/s390.md (bswap<mode>2): New pattern added.
10373
10374 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10375
10376         * config/s390/s390.md (*tls_load_31): Added type attribute.
10377
10378 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10379
10380         * config/s390/s390.md: Fix a few comments.
10381
10382 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10383
10384         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10385         (*tm<mode>_full): Fixed z10prop attribute.
10386         (*tst<mode>_extimm): Fixed z10prop attribute.
10387         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10388         (*tstqiCCT_cconly): Fixed z10prop attribute.
10389         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10390         (*movsi_larl): Fixed z10prop attribute.
10391         (*movsi_zarch): Fixed z10prop attribute.
10392         (*movsi_eas): Fixed z10prop attribute.
10393         (*movhi): Fixed z10prop attribute.
10394         (*movqi): Fixed z10prop attribute.
10395         (*movstrictqi): Fixed z10prop attribute.
10396         (*mov<mode>): Fixed z10prop attribute.
10397         (*movcc): Fixed z10prop attribute.
10398         (*sethighpartdi_64): Fixed z10prop attribute.
10399         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10400         (*negdi2_sign_cc): Fixed z10prop attribute.
10401         (*negdi2_sign): Fixed z10prop attribute.
10402         (*absdi2_sign_cc): Fixed z10prop attribute.
10403         (*absdi2_sign): Fixed z10prop attribute.
10404         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10405         (*negabsdi2_sign): Fixed z10prop attribute.
10406         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10407         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10408         (doloop_si64): Fixed z10prop attribute.
10409         (doloop_si31): Fixed z10prop attribute.
10410         (doloop_long): Fixed z10prop attribute.
10411         (indirect_jump): Fixed z10prop attribute.
10412         (nop): Fixed z10prop attribute.
10413         (main_base_64): Fixed z10prop attribute.
10414         (reload_base_64): Fixed z10prop attribute.
10415
10416 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10417
10418         PR rtl-optimization/38740
10419         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10420         if !optimize.
10421         * config/mips/mips.c (mips_reorg): Likewise.
10422
10423 2009-01-28  Richard Guenther  <rguenther@suse.de>
10424
10425         PR tree-optimization/38926
10426         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10427         with the correct value id to a value.
10428         (do_regular_insertion): Use the value number of edoubleprime
10429         for the value number of the expr.
10430
10431         Revert
10432         2008-08-21  Richard Guenther  <rguenther@suse.de>
10433
10434         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10435         a PHI ask VN if it is already available.
10436         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10437         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10438
10439 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10440
10441         PR middle-end/38934
10442         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10443         set to varying whenever max has TREE_OVERFLOW set, similarly
10444         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10445
10446 2009-01-28  Richard Guenther  <rguenther@suse.de>
10447
10448         PR middle-end/38908
10449         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10450         uninitialized aggregate uses in call arguments.
10451
10452 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10453
10454         PR tree-optimization/38984
10455         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10456         the nothing_id variable if -fno-delete-null-pointer-checks.
10457
10458 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10459
10460         PR target/38988
10461         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10462         (set_got_offset_rex64): Ditto.
10463
10464 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10465
10466         PR target/38941
10467         * doc/extend.texi: Improve local variable with asm reg.
10468
10469 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10470
10471         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10472         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10473         was not supplied then set warn_packed_bitfield_compat to the
10474         default value of 1.
10475         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10476         against 1.
10477
10478 2009-01-27  Richard Guenther  <rguenther@suse.de>
10479
10480         PR tree-optimization/38503
10481         * cfgexpand.c (expand_gimple_basic_block): Ignore
10482         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10483         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10484         variables that cannot have TBAA applied.
10485         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10486         statements.
10487
10488 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10489
10490         PR middle-end/38969
10491         * calls.c (initialize_argument_information): Do not wrap complex
10492         arguments in SAVE_EXPR.
10493
10494 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10495
10496         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10497         (INSTALL_LIBGCC): Revert typo commit.
10498
10499 2009-01-26  Richard Guenther  <rguenther@suse.de>
10500
10501         PR tree-optimization/38745
10502         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10503         from special handling.
10504
10505 2009-01-26  Richard Guenther  <rguenther@suse.de>
10506
10507         PR tree-optimization/38745
10508         * tree-ssa.c (execute_update_addresses_taken): Do not include
10509         variables that cannot possibly be a register in not_reg_needs.
10510         Do not clear TREE_ADDRESSABLE on vars that may not become
10511         registers.
10512         * tree-ssa.c (update_alias_info_1): Include those in the set
10513         of addressable vars.
10514
10515 2009-01-26  Richard Guenther  <rguenther@suse.de>
10516
10517         PR middle-end/38851
10518         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10519         * tree-ssa-dse.c: Include langhooks.h
10520         (execute_simple_dse): Remove stores with zero size.
10521
10522 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10523
10524         PR c/38957
10525         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10526         as PLUS_EXPR.
10527
10528 2009-01-24  Julian Brown  <julian@codesourcery.com>
10529
10530         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10531         config/arm/linux-atomic.c.
10532         * config/arm/linux-atomic.c: New.
10533
10534 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10535
10536         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10537         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10538         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10539
10540 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10541
10542         PR c/38938
10543         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10544         properly.
10545
10546 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10547
10548         PR tree-optimization/38953
10549         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10550         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10551         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10552         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10553         changed the CFG.
10554
10555 2009-01-24  Paul Brook  <paul@codesourcery.com>
10556
10557         * config/arm/neon.md (neon_type): Move to arm.md.
10558         (neon_mov<VSTRUCT>): Add neon_type attribute.
10559         * config/arm/arm.md (neon_type): Move to here.
10560         (conds): Add "unconditioal" and use as default for NEON insns.
10561
10562 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10563
10564         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10565         void *' warning from -Wc++-compat.
10566         * Makefile.in (dominance.o-warn): Remove.
10567
10568 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10569
10570         PR tree-optimization/38932
10571         * fold-const.c (fold_unary_ignore_overflow): New.
10572         * tree.h (fold_unary_ignore_overflow): Declare.
10573         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10574         * tree-ssa-sccvn.c (visit_reference_op_load,
10575         simplify_unary_expression): Likewise.
10576
10577 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10578
10579         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10580         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10581         regardless of their type.
10582         * c-common.c (handle_packed_attribute): Don't ignore packed on
10583         bitfields.
10584         * c.opt (Wpacked-bitfield-compat): New warning option.
10585         * stor-layout.c (place_field): Warn if offset of a field changed.
10586         * doc/extend.texi (packed): Mention the ABI change.
10587         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10588         (Warning Options): Add it to the list.
10589
10590 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10591
10592         * c-opts.c (c_common_post_options): Fix a typo in comments.
10593
10594 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10595
10596         PR middle-end/38615
10597         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10598         variables to static.
10599         * doc/invoke.texi (-fmerge-all-constants): Update description.
10600
10601 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10602
10603         PR target/38931
10604         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10605         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10606
10607 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10608
10609         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10610         a word boundary.
10611         (LOCAL_ALIGNMENT): Similarly.
10612
10613 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10614             Joseph Myers  <joseph@codesourcery.com>
10615
10616         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10617         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10618         * config/arm/arm-tune.md: Regenerate.
10619         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10620         -march=iwmmxt2.
10621
10622 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10623
10624         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10625         version number to five.
10626
10627 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10628
10629         PR c++/38930
10630         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10631         * c-common.c (set_underlying_type): Likewise.
10632         (is_typedef_decl ): Likewise
10633         * tree.h: Likewise
10634         (set_underlying_type): Likewise.
10635         (is_typedef_type): Likewise.
10636
10637 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10638
10639         PR middle-end/38587
10640         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10641         crossing setjmps.
10642
10643 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10644
10645         PR bootstrap/37660
10646         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10647         (LIBGCC_SPEC):  Don't define.
10648         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10649
10650 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10651
10652         PR rtl-optimization/38879
10653         * alias.c (base_alias_check): Unaligned access via AND address can
10654         alias all surrounding object types except those with sizes equal
10655         or wider than the size of unaligned access.
10656
10657 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10658
10659         PR c++/26693
10660         * c-decl.c (clone_underlying_type): Move this ...
10661         * c-common.c (set_underlying_type): ... here.
10662         Also, make sure the function properly sets TYPE_STUB_DECL() on
10663         the newly created typedef variant type.
10664         (is_typedef_decl ): New entry point.
10665         * tree.h: Added a new member member_types_needing_access_check to
10666         struct tree_decl_non_common.
10667         (set_underlying_type): New entry point.
10668         (is_typedef_type): Likewise.
10669
10670 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10671
10672         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10673         Check whether two instructions have memory references that
10674         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10675         are helper functions for traversing.
10676         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10677         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10678         not to draw dependency edge for instructions with non-conflicting
10679         alias sets.
10680
10681 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10682
10683         PR other/38758
10684         * longlong.h: Update copyright years.  Use soft-fp license notice.
10685         Sync __clz_tab declaration with glibc.
10686
10687 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10688
10689         PR target/30687
10690         * doc/extend.texi (syscall_linkage): New.
10691         (version_id): Modify.
10692
10693 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10694             Richard Guenther  <rguenther@suse.de>
10695
10696         PR tree-optimization/38747
10697         PR tree-optimization/38748
10698         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10699         conversion if the base address is an indirect reference and the
10700         aliasing sets could cause issues.
10701
10702 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10703
10704         * common.opt (fgraphite, fgraphite-identity): Add comment for
10705         explaining why these options are not documented.
10706
10707 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10708
10709         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10710         gimple_call_lhs is NULL.
10711
10712 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10713
10714         PR target/38868
10715         * emit-rtl.c (adjust_address_1): Make sure memref is never
10716         overwritten.
10717
10718 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10719
10720         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10721         const qualifier from arg parameter. Remove unnecessary cast to char *.
10722         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10723         const qualifier from arg 2.
10724
10725 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10726
10727         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10728
10729 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10730
10731         PR c/38869
10732         * rtl.h (reinit_regs): New prototype.
10733         * regclass.c: Include ira.h.
10734         (reinit_regs): New.
10735         * Makefile.in (regclass.o): Add ira.h.
10736         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10737
10738 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10739
10740         PR target/38736
10741         * c-common.c (handle_aligned_attribute): Use
10742         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10743         default alignment value.
10744
10745         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10746
10747         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10748         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10749
10750         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10751         __BIGGEST_ALIGNMENT__.
10752
10753         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10754
10755 2009-01-18  Richard Guenther  <rguenther@suse.de>
10756
10757         PR tree-optimization/38819
10758         * tree-flow.h (operation_could_trap_helper_p): Declare.
10759         * tree-eh.c (operation_could_trap_helper_p): Export.
10760         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10761         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10762         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10763         are about to insert a possibly trapping instruction and fail
10764         in this case.
10765
10766 2009-01-18  Andreas Schwab  <schwab@suse.de>
10767
10768         * doc/install.texi (Configuration): Remove obsolete paragraph
10769         about use of --with-gnu-ld with --with-gnu-as.
10770
10771 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10772
10773         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10774         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10775         Follow spelling conventions.
10776
10777 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10778
10779         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10780         C++ warning about implicit conversion from void * to struct
10781         bitmap_head_def *.
10782         (bitmap_obstack_free): Likewise for bitmap_element *.
10783         * Makefile.in (bitmap.o-warn): Remove.
10784
10785 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10786
10787         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10788
10789 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10790             Tobias Grosser  <tobi.grosser@amd.com>
10791
10792         * graphite.c (graphite_trans_scop_block): Do not block single
10793         nested loops.
10794
10795 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10796
10797         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10798         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10799         test with assertion.
10800
10801 2009-01-16  Richard Guenther  <rguenther@suse.de>
10802
10803         PR tree-optimization/38835
10804         PR middle-end/36227
10805         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10806         and INT + PTR -> (INT)(PTR p+ INT) folding.
10807         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10808
10809 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10810
10811         PR target/38554
10812         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10813         the subreg from a lowpart subreg if it is also casting the value.
10814
10815 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10816             Tobias Grosser  <tobi.grosser@amd.com>
10817
10818         * graphite.c (compare_prefix_loops): New.
10819         (build_scop_canonical_schedules): Rewritten.
10820         (graphite_transform_loops): Move build_scop_canonical_schedules
10821         after build_scop_iteration_domain.
10822
10823 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10824             Tobias Grosser  <tobi.grosser@amd.com>
10825
10826         * graphite.c (add_conditions_to_domain): Add the loops to
10827         the dimension of the iteration domain.  Do copy the domain
10828         only when it exists.
10829         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10830         (add_conditions_to_constraints): New.
10831         (can_generate_code_stmt, can_generate_code): Removed.
10832         (gloog): Do not call can_generate_code.
10833         (graphite_transform_loops): Call add_conditions_to_constraints
10834         after building the iteration domain.
10835
10836 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10837
10838         PR tree-optimization/38789
10839         * tree-ssa-threadedge.c
10840         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10841         __builtin_constant_p.
10842
10843 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10844
10845         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10846         examined before deleting them.
10847
10848 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10849
10850         * function.c (aggregate_value_p): Correctly extract the function
10851         type from CALL_EXPR_FN lookup.
10852
10853 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10854
10855         * config/picochip/picochip.c (picochip_override_options): Revert
10856         CFI asm flag disable commited previously.
10857
10858 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10859             Tobias Grosser  <tobi.grosser@amd.com>
10860             Jan Sjodin  <jan.sjodin@amd.com>
10861
10862         * graphite.c (scan_tree_for_params): On substractions negate
10863         all the coefficients of the term.
10864         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10865         of more than two operands.
10866         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10867         (get_vdef_before_scop): Handle also the case of default definitions.
10868
10869 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10870
10871         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10872         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10873         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10874
10875 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10876             Joey Ye  <joey.ye@intel.com>
10877
10878         PR middle-end/37843
10879         * cfgexpand.c (expand_stack_alignment): Don't update stack
10880         boundary nor check incoming stack boundary here.
10881         (gimple_expand_cfg): Update stack boundary and check incoming
10882         stack boundary here.
10883
10884 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10885
10886         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10887
10888 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10889
10890         PR rtl-optimization/38245
10891         * calls.c (expand_call): Add stack arguments to
10892         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10893         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10894         in regs and partially in memory or BLKmode arguments.
10895         (emit_library_call_value_1): Add stack arguments to
10896         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10897         ACCUMULATE_OUTGOING_ARGS).
10898         * dce.c: Include tm_p.h.
10899         (find_call_stack_args): New function.
10900         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10901         argument.
10902         (mark_insn): Call find_call_stack_args for CALL_Ps.
10903         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10904         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10905         down to deletable_insn_p, don't mark stores set in arg_stores
10906         bitmap, clear the bitmap at the beginning of each bb.
10907         * Makefile.in (dce.o): Depend on $(TM_P_H).
10908
10909 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10910
10911         PR target/22599
10912         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10913         to make sure the insn is a conditional test (bug 22599).  Reformat a
10914         few long lines.
10915
10916 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10917
10918         PR middle-end/38431
10919         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10920         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10921         (gloog): Do not call cleanup_tree_cfg.
10922         (graphite_transform_loops): Call cleanup_tree_cfg after all
10923         scops have been code generated.
10924
10925 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10926         * doc/gty.texi (Invoking the garbage collector): Added new node
10927         and section documenting ggc_collect.
10928
10929 2009-01-14  Richard Guenther  <rguenther@suse.de>
10930
10931         PR tree-optimization/38826
10932         PR middle-end/38477
10933         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10934         initialization notes only if we actually emitted a warning.
10935         (intra_create_variable_infos): Add constraints for a result decl
10936         that is passed by hidden reference.
10937         (build_pred_graph): Mark all related variables non-direct on
10938         address-taking.
10939
10940 2009-01-14  Nick Clifton  <nickc@redhat.com>
10941
10942         * ira-conflicts.c: Include addresses.h for the definition of
10943         base_reg_class.
10944         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10945         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10946
10947 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10948
10949         PR target/38811
10950         * Makefile.in (ira-lives.o): Add except.h.
10951
10952         * ira-lives.c: Include except.h.
10953         (process_bb_node_lives): Process can_throw_internal.
10954
10955 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10956
10957         PR rtl-optimization/38774
10958         * combine.c (simplify_set): When undoing cc_use change, don't do
10959         PUT_CODE on the newly created comparison, but instead put back the
10960         old comparison.
10961
10962 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10963
10964         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10965         values.  Remove duplicate arm8 entry.
10966
10967 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10968
10969         PR tree-optimization/38786
10970         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10971         the SSA_NAME case of expand_scalar_variables_expr.
10972         Set the type of an expression to the type of its assign statement.
10973         (expand_scalar_variables_expr): Also gather the scalar computation
10974         used to index the memory access.  Do not pass loop_p.
10975         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10976         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10977         the gimple_stmt_iterator where it inserts new code.
10978         Do not pass loop_p.
10979         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10980         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10981
10982 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10983
10984         * graphite.h (debug_value): Removed.
10985         * graphite.c (debug_value): Removed.
10986
10987 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10988
10989         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10990         ldrd/strd with two 32-bit instructions.
10991
10992 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10993
10994         * config/arm/arm.c (struct processors): Pass for speed down into
10995         cost helper functions.
10996         (const_ok_for_op): Handle COMPARE and inequality nodes.
10997         (arm_rtx_costs_1): Rewrite.
10998         (arm_size_rtx_costs): Update prototype.
10999         (arm_rtx_costs): Pass speed down to helper functions.
11000         (arm_slowmul_rtx_costs): Rework cost calculations.
11001         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11002         (arm_9e_rtx_costs): Likewise.
11003
11004 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11005
11006         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11007         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11008         (alpha_legitimize_address): Do not split local symbols wider than
11009         UNITS_PER_WORD into HIGH/LO_SUM parts.
11010
11011 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11012
11013         PR bootstrap/38580
11014         * gcc.c (process_command): Replace call to execvp with calls
11015         to pex_one and exit.
11016
11017 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11018
11019         PR target/29141
11020         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11021         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11022         variant for devices with 3-byte PC.
11023         (__tablejump_elpm__): New.
11024
11025 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11026
11027         PR c/32041
11028         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11029         offsetof member-designator, handle it as `[0].'.
11030
11031 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11032
11033         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11034         function when not using named sections on targets with named sections
11035         if branch distance is less than 262132.
11036
11037 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11038
11039         * combine.c (combine_instructions):  Recompute
11040         optimize_this_for_speed_p  for each BB in the main combine loop.
11041
11042 2009-01-12  Tomas Bily  <tbily@suse.cz>
11043
11044         PR middlend/38385
11045         * tree-loop-distribution.c (prop_phis): New function.
11046         (generate_builtin): Call prop_phis.
11047         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11048
11049 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11050
11051         PR tree-optimization/38807
11052         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11053         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11054
11055 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11056
11057         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11058         subreg of op0 to the original op0.
11059
11060 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11061
11062         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11063
11064 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11065
11066         PR debug/7055
11067         * mips-tfile.c (parse_def): Fix parsing of def strings
11068         starting with digits.
11069
11070 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11071
11072         PR target/38695
11073         * config/arm/arm.c (arm_is_long_call_p): Don't call
11074         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11075
11076 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11077
11078         * regrename.c (regrename_optimize): Fix dumping.
11079         (find_oldest_value_reg): Preserve REG_POINTER.
11080         (copy_hardreg_forward_1): Likewise.
11081
11082 2009-01-09  Diego Novillo  <dnovillo@google.com>
11083
11084         * gimple.h (struct gimple_statement_base) <uid>: Document
11085         the restrictions on its use.
11086         (gimple_uid): Tidy.
11087         (gimple_set_uid): Tidy.
11088
11089 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11090
11091         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11092         zero guard even if align_bytes != 0 and count is smaller than
11093         size_needed.
11094
11095 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11096
11097         PR rtl-optimization/38495
11098         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11099         (add_range_and_copies_from_move_list): Print all added ranges.
11100         Add ranges to memory optimized destination.
11101
11102 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11103
11104         PR target/38686
11105         PR target/38708
11106         * config/i386/i386.c (override_options): Reject
11107         -mstringop-strategy=rep_8byte with -m32.
11108         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11109         to 1.  Do count comparison against epilogue_size_needed at compile
11110         time even when count_exp was constant forced into register.  For
11111         size_needed don't jump to epilogue, instead just avoid aligning
11112         and invoke the body algorithm.  If need_zero_guard, add zero guard
11113         even if count is non-zero, but smaller than size_needed + number of
11114         bytes that could be stored for alignment.
11115         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11116         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11117         but smaller than size_needed + number of bytes that could be stored
11118         for alignment.  Compare size_needed with epilogue_size_needed instead
11119         of desired_align - align, don't adjust size_needed, pass
11120         epilogue_size_needed to the epilogue expanders.
11121
11122         PR c/35742
11123         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11124
11125 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11126
11127         * pa.c (last_address): Change to unsigned.
11128         (update_total_code_bytes): Change argument to unsigned.  Don't
11129         check if insn addresses are set.
11130         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11131         addresses are not set.
11132         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11133
11134 2009-01-09  Nick Clifton  <nickc@redhat.com>
11135
11136         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11137         DECL_DECLARED_INLINE_P.
11138
11139 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11140
11141         PR middle-end/38347
11142         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11143         GET_MODE (op0) in operand_subword_force calls.
11144
11145         PR middle-end/38771
11146         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11147         fold_convert arg0 operands to TREE_TYPE (op0) first.
11148
11149 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11150
11151         * params.def (ira-max-conflict-table-size): Decrease default value
11152         to 1000.
11153
11154 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11155
11156         PR tree-optimization/37031
11157         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11158         on parameter_set.
11159         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11160         allocate it using gc instead of heap, use VEC_quick_push instead of
11161         VEC_safe_push.
11162         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11163         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11164         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11165         allocated vector from heap allocated.
11166         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11167         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11168         vector only after perfect_loop_nest_depth call.
11169
11170 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11171             Jan Sjodin  <jan.sjodin@amd.com>
11172
11173         PR tree-optimization/38559
11174         * graphite.c (debug_value, copy_constraint,
11175         swap_constraint_variables, scale_constraint_variable, ): New.
11176         (get_lower_bound, get_upper_bound): Removed.
11177         (graphite_trans_bb_strip_mine): Clean up this code that works
11178         only for constant number of iterations.  Fully copy upper and
11179         lower bound constraints, not only the constant part of them.
11180         * graphite.h (debug_value): Declared.
11181
11182 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11183
11184         PR tree-optimization/37194
11185         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11186         Don't add the cost of cost model guard in prologue to scalar
11187         outside cost in case of known number of iterations.
11188
11189 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11190             Alan Modra  <amodra@bigpond.net.au>
11191
11192         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11193         non-word-aligned REG+CONST addressing.
11194
11195 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11196
11197         PR target/38706
11198         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11199         free_after_compilation when outputting a thunk.
11200         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11201         Do not call free_after_compilation here.
11202
11203 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11204
11205         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11206         (ix86_valid_target_attribute_inner_p): Ditto.
11207
11208 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11209
11210         PR tree-optimization/38492
11211         PR tree-optimization/38498
11212         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11213         * tree-chrec.h (scev_is_linear_expression): Declared.
11214         * graphite.c (graphite_cannot_represent_loop_niter): New.
11215         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11216         (graphite_loop_normal_form): Use gcc_assert.
11217         (scan_tree_for_params): Use CASE_CONVERT.
11218         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11219         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11220         Use gcc_assert.  Discard scops that contain unhandled cases.
11221         (build_scop_conditions): Return a boolean status for unhandled cases.
11222         (strip_mine_profitable_p): Print the loop number, not its depth.
11223         (is_interchange_valid): Pass the depth of the loop nest, don't
11224         recompute it wrongly.
11225         (graphite_trans_bb_block): Same.
11226         (graphite_trans_bb_block): Print tentative of loop blocking.
11227         (graphite_trans_scop_block): Do not print that the loop has been
11228         blocked.
11229         (graphite_transform_loops): Do not handle scops that contain condition
11230         scalar phi nodes.
11231
11232 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11233
11234         AVX Programming Reference (December, 2008)
11235         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11236         (_mm256_stream_pd): Likewise.
11237         (_mm256_stream_ps): Likewise.
11238
11239         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11240         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11241         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11242         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11243         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11244         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11245         (ix86_expand_special_args_builtin): Likewise.
11246
11247         * config/i386/sse.md (AVXMODEDI): New.
11248         (avx_movnt<mode>): Likewise.
11249         (avx_movnt<mode>): Likewise.
11250         (<sse>_movnt<mode>): Remove AVX support.
11251         (sse2_movntv2di): Likewise.
11252
11253 2009-01-07  Richard Guenther  <rguenther@suse.de>
11254
11255         PR middle-end/38751
11256         * fold-const.c (extract_muldiv): Remove obsolete comment.
11257         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11258         to PLUS_EXPR canonicalization for the canonicalization.
11259
11260 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11261
11262         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11263         hosted cross-compilers generating less efficient code.
11264
11265 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11266
11267         * function.h (rtl_data): Add a dbr_scheduled_p field.
11268         * reorg.c (dbr_schedule): Set it.
11269         (gate_handle_delay_slots): Check it.
11270         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11271         (mips_reorg): Check flag_delayed_branch instead of
11272         mips_base_delayed_branch.
11273         (mips_override_options): Don't set mips_base_delayed_branch
11274         or flag_delayed_branch.
11275
11276 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11277
11278         PR rtl-optimization/38426.
11279         * ira.c (ira): Set current_function_is_leaf earlier.
11280
11281 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11282
11283         PR rtl-optimization/38722
11284         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11285         too early, only set a flag and modify after last possible
11286         undo_all point.
11287
11288 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11289
11290         PR c/34252
11291         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11292         * real.c (decimal_single_format): Correct values of emin and emax.
11293         (decimal_double_format): Ditto.
11294         (decimal_quad_format): Ditto.
11295         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11296         computation of DECnn_MIN and DECnn_MAX for corrected values of
11297         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11298         __DECnn_MIN__, and adjust its computation for the corrected value
11299         of emin.
11300
11301 2009-01-06  Jan Hubicka  <jh@suse.cz>
11302
11303         PR target/38744
11304         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11305
11306 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11307
11308         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11309         Add Robert Clark to the list of testers.
11310
11311 2009-01-06  Jan Hubicka  <jh@suse.cz>
11312             Kai Tietz  <kai.tietz@onevision.com>
11313
11314         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11315         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11316
11317 2009-01-06  Jan Hubicka  <jh@suse.cz>
11318             Kai Tietz  <kai.tietz@onevision.com>
11319
11320         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11321         for w64 ABI.
11322         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11323         (ix86_nsaved_regs): Count only general purpose regs.
11324         (ix86_nsaved_sseregs): New.
11325         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11326         to 16 for w64; compute padding and size of sse reg save area.
11327         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11328         general purpose regs.
11329         (ix86_emit_save_sse_regs_using_mov): New.
11330         (ix86_expand_prologue): Save SSE regs if needed.
11331         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11332         (ix86_emit_restore_sse_regs_using_mov): New.
11333         (ix86_expand_epilogue): Save SSE regs if needed.
11334
11335 2009-01-06  Jan Hubicka  <jh@suse.cz>
11336             Kai Tietz  <kai.tietz@onevision.com>
11337
11338         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11339         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11340         functions when accumulate outgoing args is off.
11341
11342 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11343
11344         PR bootstrap/38742
11345         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11346         before using pseudos_have_intersected_live_ranges_p.
11347
11348         * ira-int.h (ira_assert): Always define.
11349
11350 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11351
11352         AVX Programming Reference (December, 2008)
11353         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11354         (_mm256_permute2_pd): Likewise.
11355         (_mm_permute2_ps): Likewise.
11356         (_mm256_permute2_ps): Likewise.
11357         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11358         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11359
11360         * config/i386/i386.c (ix86_builtins): Remove
11361         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11362         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11363         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11364         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11365         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11366         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11367         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11368         __builtin_ia32_vpermil2ps256.
11369         (ix86_init_mmx_sse_builtins): Updated.
11370         (ix86_expand_args_builtin): Likewise.
11371
11372 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11373
11374         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11375         long absolute calls when generating PA 2.0 code.
11376
11377 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11378
11379         PR rtl-optimization/38583
11380         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11381
11382         * params.def (ira-max-conflict-table-size): New.
11383
11384         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11385
11386         * ira.h (ira_conflicts_p): New external definition.
11387
11388         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11389         table.  Report this.  Return result of building.
11390         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11391         building conflict table.
11392
11393         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11394         (ira_color): Use ira_conflicts_p.
11395
11396         * global.c: Include ira.h.
11397         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11398         ira_conflicts_p.
11399
11400         * Makefile.in (global.o): Add ira.h.
11401
11402         * ira-build.c (mark_all_loops_for_removal,
11403         propagate_some_info_from_allocno): New.
11404         (remove_unnecessary_allocnos): Call
11405         propagate_some_info_from_allocno.
11406         (remove_low_level_allocnos): New.
11407         (remove_unnecessary_regions): Add parameter.  Call
11408         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11409         parameter to remove_unnecessary_regions.
11410         (ira_build): Remove all regions but root if the conflict table was
11411         not built.  Update conflict hard regs for allocnos crossing calls.
11412
11413         * ira.c (ira_conflicts_p): New global.
11414         (ira): Define and use ira_conflicts_p.
11415
11416         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11417         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11418         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11419
11420 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11421
11422         * gengtype-lex.l (YY_NO_INPUT): Define.
11423
11424 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11425
11426         PR c/34911
11427         * c-common.c (handle_vector_size_attribute): Also reject
11428         BOOLEAN_TYPE types.
11429
11430 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11431
11432         PR tree-optimization/38492
11433         * graphite.c (rename_map_elt, debug_rename_elt,
11434         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11435         rename_map_elt_info, eq_rename_map_elts,
11436         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11437         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11438         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11439         (sese_build_livein_liveouts): New.
11440         (new_sese, free_sese): New.
11441         (new_scop): Call new_sese.
11442         (free_scop): Call free_sese.
11443         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11444         (register_old_new_names): Renamed register_old_and_new_names.
11445         (register_scop_liveout_renames, add_loop_exit_phis,
11446         insert_loop_close_phis, struct igp,
11447         default_liveout_before_guard, add_guard_exit_phis,
11448         insert_guard_phis, copy_renames): New.
11449         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11450         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11451         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11452         (scop_adjust_phis_for_liveouts): New.
11453         (gloog): Call scop_adjust_phis_for_liveouts.
11454
11455         * graphite.h (struct sese): Documented.  Added fields liveout,
11456         num_ver and livein.
11457         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11458         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11459         (struct scop): Added field liveout_renames.
11460         (SCOP_LIVEOUT_RENAMES): New.
11461
11462 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11463
11464         PR tree-optimization/38510
11465         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11466         (translate_clast): Call recompute_all_dominators before
11467         graphite_verify.
11468         (gloog): Call recompute_all_dominators before graphite_verify.
11469
11470 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11471             Jan Sjodin  <jan.sjodin@amd.com>
11472
11473         PR tree-optimization/38500
11474         * graphite.c (create_sese_edges): Call fix_loop_structure after
11475         splitting blocks.
11476
11477 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11478
11479         * config.gcc: Add m32r*-*-rtems*.
11480         * config/m32r/rtems.h: New file.
11481
11482 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11483
11484         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11485         (.po.pox): Likewise.
11486         (po/gcc.pot): Likewise.
11487
11488 2009-01-04  David S. Miller  <davem@davemloft.net>
11489
11490         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11491         (STARTING_FRAME_OFFSET): Always set to zero.
11492
11493 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11494
11495         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11496         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11497         fixed-point types, and vectors of the same.
11498
11499 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11500
11501         * config/mips/sync.md (*mb_barrier): Rename to...
11502         (*memory_barrier): ...this.
11503
11504 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11505
11506         * doc/extend.texi (Function Attributes): Move @cindex after @item
11507         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11508         and put in alphabetical order. Fix 'target' name and put in order.
11509         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11510         typos.
11511
11512 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11513
11514         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11515         (memory_barrier): Expand as unspec instead of unspec_volatile.
11516         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11517         (*memory_barrier): Define as unspec instead of unspec_volatile.
11518         Use (match_dup 0) as input operand.
11519
11520         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11521         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11522         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11523         scratch register.  Remove operand 1.
11524         (*stbar): Define as unspec instead of unspec_volatile.
11525         Use (match_dup 0) as input operand, remove (const_int 8).
11526         (*membar): Define as unspec instead of unspec_volatile.
11527         Use (match_dup 0) as input operand, remove input operand 2.
11528
11529         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11530         (memory_barrier): Expand as unspec instead of unspec_volatile.
11531         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11532         (*memory_barrier): Define as unspec instead of unspec_volatile.
11533         Use (match_dup 0) as input operand.
11534
11535         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11536         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11537         Set volatile flag on operand 0.
11538         (*memory_barrier): New insn pattern.
11539
11540         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11541         insn operands.
11542         (*memory_barrier): Use (match_dup 0) as input operand.
11543
11544         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11545         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11546         Set volatile flag on operand 0.
11547         (*mb_internal): New insn pattern.
11548
11549         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11550
11551 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11552
11553         PR middle-end/38586
11554         * function.c (struct temp_slot): Move to the section of the file
11555         that deals with temp slots.  Remove field 'address'.
11556         (temp_slot_address_table): New hash table of address -> temp slot.
11557         (struct temp_slot_address_entry): New struct, items for the table.
11558         (temp_slot_address_compute_hash, temp_slot_address_hash,
11559         temp_slot_address_eq, insert_temp_slot_address): Support functions
11560         for the new table.
11561         (find_temp_slot_from_address): Rewrite to use the new hash table.
11562         (remove_unused_temp_slot_addresses): Remove addresses of temp
11563         slots that have been made available.
11564         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11565         worker function for remove_unused_temp_slot_addresses.
11566         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11567         Add the temp slot address to the address -> temp slot map.
11568         (update_temp_slot_address): Update via insert_temp_slot_address.
11569         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11570         (pop_temp_slots): Likewise.
11571         (init_temp_slots): Allocate the address -> temp slot map, or empty
11572         the map if it is already allocated.
11573         (prepare_function_start): Initialize temp slot processing.
11574
11575 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11576
11577         PR middle-end/38584
11578         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11579         Calculate the size of all stack vars assuming no packing of stack
11580         vars will happen, replacing a quadratic algorithm with a linear one.
11581
11582 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11583
11584         PR target/38707
11585         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11586         can't be used.
11587
11588 2009-01-03  Diego Novillo  <dnovillo@google.com>
11589
11590         * doc/contrib.texi: Update contributions.
11591
11592 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11593
11594         PR c++/38705
11595         * builtins.c (fold_builtin_memory_op): Give up if either operand
11596         is volatile.  Set srctype or desttype to non-qualified version
11597         of the other type.
11598
11599         PR c/38700
11600         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11601         and FUNCTION_DECLs.
11602
11603 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11604
11605         PR rtl-optimization/35805
11606         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11607         problem if fast dce is able to remove any instructions.
11608         * dce.c (dce_process_block): Fix dump message.
11609
11610 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11611
11612         PR 33649
11613         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11614
11615 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11616
11617         PR middle-end/38690
11618         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11619         * tree-pretty-print.c (op_code_prio): New function.
11620         (op_prio): No longer static.  Use op_code_prio.
11621         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11622         Use op_prio and op_code_prio to determine if () should be
11623         printed around operand(s) or not.
11624
11625         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11626         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11627         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11628         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11629         pp_character instead of pp_string for single letter printing.
11630
11631 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11632
11633         * doc/extend.texi: Fix '#pragma GCC option' typo.
11634
11635 2009-01-02  Richard Guenther  <rguenther@suse.de>
11636
11637         * doc/install.texi (--enable-checking): Mention different
11638         default for stage1.
11639         (--enable-stage1-checking): Document.
11640
11641 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11642
11643         PR middle-end/30142
11644         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11645         case to be an error.
11646
11647 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11648
11649         * config/fp-bit.h (pack_d): Constify argument.
11650         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11651         (isnan): Constify argument.
11652         (isinf): Likewise.
11653         (iszero): Likewise.
11654         (pack_d): Likewise.
11655         (_fpadd_parts): Constify return type.
11656         (_fpmul_parts): Likewise.
11657         (_fpdiv_parts): Likewise.
11658
11659 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11660
11661         PR c/36489
11662         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11663         warn about overwriting initializer with side-effects or
11664         -Woverride-init if !IMPLICIT.
11665         (output_init_element): Likewise.  Pass IMPLICIT down to
11666         add_pending_init.
11667         (process_init_element): Add IMPLICIT argument.  Pass it down
11668         to output_init_element.
11669         (push_init_element, pop_init_level, set_designator): Adjust
11670         process_init_element callers.
11671         (set_nonincremental_init, set_nonincremental_init_from_string):
11672         Adjust add_pending_init callers.
11673         (output_pending_init_elements): Adjust output_init_element callers.
11674         * c-tree.h (process_init_element): Adjust prototype.
11675         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11676         process_init_element callers.
11677
11678 \f
11679 Copyright (C) 2009 Free Software Foundation, Inc.
11680
11681 Copying and distribution of this file, with or without modification,
11682 are permitted in any medium without royalty provided the copyright
11683 notice and this notice are preserved.