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1 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2
3         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
4         unless -fschedule-insns is specified.
5
6 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7
8         PR target/39561
9         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
10         TARGET_EXPAND_CBRANCHDI4.
11         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
12         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
13         (cmpeqdi): Fix comment.
14
15 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
16
17         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
18         (sh_legitimate_address_p): Likewise.
19         * config/sh/sh.c (sh_legitimate_index_p): New.
20         (sh_legitimate_address_p): Likewise.
21         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
22         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
23         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
24         (MAYBE_BASE_REGISTER_RTX_P): New macro.
25         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
26         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
27         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
28         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
29         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
30
31 2009-05-12  Jan Hubicka  <jh@suse.cz>
32
33         * tree-inline.c (estimate_operator_cost): Add operands;
34         when division happens by constant, it is cheap.
35         (estimate_num_insns): Loads and stores are not having cost of 0;
36         EH magic stuff is cheap; when computing runtime cost of switch,
37         use log2 base of amount of its cases; builtin_expect has cost of 0;
38         compute cost for moving return value of call.
39         (init_inline_once): Initialize time_based flags.
40         * tree-inline.h (eni_weights_d): Add time_based flag.
41
42 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
43
44         * df-core.c: Update head documentation.
45
46 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
47
48         PR bootstrap/40118
49         * rs6000.c (rs6000_generate_compare): Use op1b instead of
50         shadowing exisiting variable op1.
51
52 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
53
54         PR target/37179
55         * config/i386/driver-i386.c (processor_signatures): New enum.
56         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
57         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
58         processor signature to detect geode processor.
59
60 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
61
62         Revert:
63
64         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
65
66         * optabs.c (prepare_cmp_insn): Temporarily disable test that
67         causes spurious differences between trunk and cond-optab branch.
68
69 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
70
71         * dojump.c (compare_from_rtx): Delete.
72         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
73         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
74         if the comparison does not satisfy the predicate; test predicates for
75         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
76         further if one existing pattern fails.
77         * expr.h (compare_from_rtx): Delete.
78         (prepare_operand): Declare it.
79         * optabs.c: Change "lib call" to "libcall" throughout.
80         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
81         HAVE_conditional_trap, emit_cmp_insn): Delete.
82         (can_compare_p): Delete cmp_optab case.
83         (prepare_float_lib_cmp): Return an rtx and a machine mode.
84         Accept other parameters by value.
85         (prepare_operand): Make non-static.
86         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
87         other parameters by value.  Try to widen operands here based on
88         an optab_methods argument and looking at cbranch_optab.
89         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
90         loop.  Use cbranch_optab directly.
91         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
92         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
93         assertion.
94         (emit_conditional_move, emit_conditional_add): Inline what's needed
95         of compare_from_rtx, using new prepare_cmp_insn for the rest.
96         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
97         with COMPARE.  Move cmov_optab and cstore_optab above
98         with cbranch_optab, move cmp_optab down with ucmp_optab,
99         remove tst_otpab.  Do not initialize trap_rtx.
100         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
101         for trap code.  Do not check HAVE_conditional_trap.  Use
102         prepare_cmp_insn.  Accept no predicate for operand 3.
103         * optabs.h (OTI_cmp): Mark as used only for libcalls.
104         (OTI_ctrap, ctrap_optab): New.
105         (tst_optab): Delete.
106         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
107         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
108         with lookup of ctrap_optab.
109         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
110         setcc_gen_code): Delete.
111         (ctrap_optab): New.
112
113         * combine.c (combine_simplify_rtx, simplify_set): Do not
114         special case comparing against zero for cc0 machines.
115         * simplify-rtx.c (simplify_binary_operation_1): Never remove
116         COMPARE on cc0 machines.
117         (simplify_relational_operation): Return a new expression when
118         a COMPARE could be removed.
119         * final.c (final_scan_insn): Compare cc_status values
120         against LHS of a (compare FOO (const_int 0)) cc0 source.
121         Also check if cc_status.value is the full compare.
122
123         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
124         (cstoreMM4): Document.
125         (conditional_trap): Document ctrapMM4 instead.
126         (sync_compare_and_swapMM): Refer to cbranchcc4.
127         (Dependent Patterns): Eliminate obsolete information referring to
128         the old jump optimization phase.
129         (Canonicalization): Include cbranchcc4 case, omit canonicalization
130         of compares with 0 on cc0 machines.
131         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
132         avoiding references to cc0.  Remove text about storing operands
133         in cmpMM.
134         * doc/tm.texi (Condition Codes): Include blurb on different
135         condition code representations, separate into subsections for
136         CC0, MODE_CC and conditional execution.
137
138         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
139         alpha_emit_setcc): Accept operands and a machine mode.
140         * config/alpha/alpha.c (alpha_emit_conditional_branch):
141         Get code/op0/op1 from operands, use machine mode argument
142         instead of alpha_compare.fp_p.  Emit the branch here.
143         (alpha_emit_setcc): Likewise, and return boolean.
144         (alpha_emit_conditional_move): Likewise.  Assert that
145         cmp_op_mode == cmp_mode, and simplify accordingly.
146         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
147         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
148         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
149         Delete.
150         (stack probe test): Use cbranchdi4.
151         * config/alpha/predicates.md (alpha_cbranch_operator): New.
152
153         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
154         * config/arc/arc.h (movsicc, movsfcc): Use it.
155         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
156         (cbranchsi4, cstoresi4): New.
157         (cmpsi, bCC and sCC expanders): Remove. 
158
159         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
160         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
161         * config/arm/predicates.md (arm_comparison_operator): Only include
162         floating-point operators if there is a hardware floating-point unit.
163         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
164         deferring to cbranch_cc and cstore_cc respectively.
165         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
166         cbranch_cc, cstore_cc): New.
167         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
168         arm_compare_op1.
169         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
170
171         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
172         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
173         as an argument.
174         (adjust_insn_length): Adjust calls.
175         (avr_reorg): Handle (compare (foo) (const_int 0)).
176         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
177         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
178         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
179         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
180         (bCC): Remove.
181         (cbranchqi4, cbranchhi4, cbranchsi4): New.
182         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
183
184         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
185         (cbranchsi4, cstorebi4, cstoresi4): New.
186         (movbisi): This insn is duplicate, split it to zero_extend.
187         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
188         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
189         (bfin_optimize_loop): Use cbranch expander.
190         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
191         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
192         (bfin_bimode_comparison_operator): ... this.
193         (bfin_direct_comparison_operator): New.
194  
195         * config/cris/cris.c (cris_normal_notice_update_cc): Look
196         inside (compare FOO (const_int 0)).
197         (cris_rtx_costs): Handle ZERO_EXTRACT.
198         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
199         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
200         (*tstdi_v32): Delete.
201         (*cmpdi_non_v32): Add M alternative for operand 1.
202         (cmpsi, cmp<mode>): Make private.
203         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
204         with COMPARE.
205         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
206
207         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
208         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
209         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
210         (cc_reg_operand): New.
211         (any_cond): Delete.
212         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
213         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
214         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
215         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
216         crx_expand_scond): Delete.
217
218         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
219         (cbranchsi4): New.
220         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
221         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
222
223         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
224         cstoresi4, cstoresf4, cstoredf4): New.
225         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
226         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
227         Receive the entire operands array.
228         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
229         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
230         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
231         Get test/op0/op1 from the operands array.
232         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
233
234         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
235         (h8300_expand_store): New.
236         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
237         (const_int 0)).
238         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
239         (h8300_expand_store): New.
240         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
241         or do not try to produce (set (cc0) REG).
242         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
243         change a compare into a move to a scratch register.  Disable some
244         peepholes when comparing with zero.
245         (tstsi, tsthi, tstsi, cmpqi): Make private.
246         (cmphi): Delete.
247         (bCC, sCC): Delete.
248         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
249         cstoresi4): New.
250
251         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
252         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
253         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
254         (ix86_emit_i387_log1p): Use cbranchxf2.
255         (ix86_expand_setcc): Return void.
256         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
257         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
258         cmp<MODEF>, cmpcc): Remove.
259         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
260         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
261         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
262         (sCC and bCC expanders): Remove.
263         (stack_protect_test): Use cbranchcc4.
264
265         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
266         Delete.
267         (ia64_expand_compare): Accept three rtx by reference and return void.
268         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
269         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
270         from *expr.  Update *expr with the BImode comparison to do.
271         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
272         cmptf, bCC, sCC, conditional_trap): Delete.
273         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
274         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
275         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
276         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
277         * config/ia64/predicates.md (ia64_cbranch_operator): New.
278
279         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
280         type of last argument.
281         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
282         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
283         use machine mode argument instead of branch_type.  Remove dead
284         code for floating-point comparisons.
285         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
286         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
287         Remove.
288         (cbranchsi4, cstoresi4): New.
289         * config/iq2000/predicates.md (reg_or_const_operand): New.
290
291         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
292         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
293         (b<code>_op): Rewrite to...
294         (bcc_op): ... this, using match_operator.
295         (s<code>_op): Rewrite to...
296         (scc_op): ... this, using match_operator.
297         (s<code>_24_op): Rewrite to...
298         (scc_op_24): ... this, using match_operator.
299         (s<code>_<mode>): Rewrite to...
300         (cstore<mode>4): ... this, using match_operator.
301         (s<code>_<mode>_24): Rewrite to...
302         (cstore<mode>4_24): ... this, using match_operator.
303         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
304         m32c_unpend_compare, m32c_expand_scc): Delete.
305         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
306         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
307         (m32c_expand_movcc): Change NE to EQ if necessary.
308         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
309
310         * config/m32r/m32r-protos.h (gen_cond_store): New.
311         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
312         (gen_cond_store): New, from sCC patterns.
313         (m32r_expand_block_move): Use cbranchsi4.
314         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
315         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
316         (cbranchsi4, cstoresi4): New.
317         
318         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
319         Delete.
320         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
321         (m68hc11_notice_update_cc): Look into a compare with 0.
322         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
323         Delete.
324         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
325         cmphi, cmpqi, bCC): Delete.
326         (cbranchsi4, cbranchhi4, cbranchqi4): New.
327         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
328         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
329         sets with COMPARE.
330
331         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
332         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
333         * config/m68k/constraints.md (H): New.
334         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
335         the define_insn below.
336         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
337         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
338         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
339         patterns): Wrap RHS with COMPARE.
340         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
341         (*cmpdi_internal): Name this pattern.
342         (cmpdi): Change to define_insn.
343         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
344         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
345         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
346         predicate.
347         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
348         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
349         (conditional_trap): Change to...
350         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
351         (*conditional_trap): Use the ordered_comparison_operator and
352         const1_operand predicates.
353         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
354         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
355         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
356         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
357
358         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
359         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
360         (mcore_gen_compare): New. 
361         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
362         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
363         (mcore_gen_compare): ... this.
364         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
365         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
366         (stack probe pattern): Use cbranchsi4.
367
368         * config/mips/predicates.md (mips_cstore_operator): New.
369         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
370         * config/mips/mips.md (any_cond): Delete.
371         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
372         always succeed.
373         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
374         fixuns_truncsfdi2): Use cbranch patterns.
375         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
376         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
377         Adjust call to mips_expand_conditional_branch.
378         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
379         cstore<GPR:mode>4.
380         * config/mips/mips-protos.h (mips_expand_conditional_branch,
381         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
382         * config/mips/mips.c (cmp_operands): Delete.
383         (mips_emit_compare): Get comparison operands from *op0/*op1.
384         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
385         that it succeeds.  Use op0/op1 instead of cmp_operands.
386         (mips_expand_conditional_branch, mips_expand_conditional_move,
387         mips_expand_conditional_trap): Likewise.
388         (mips_block_move_loop): Use cbranch patterns. 
389         * config/mips/mips.h (cmp_operands): Delete.
390
391         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
392         (mmix_gen_compare_reg): Just return a register in the right CC mode.
393         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
394         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
395         (*cmpcc_folded): Rename to...
396         (*cmpdi_folded): this.
397         (*cmpcc): Rename to...
398         (*cmps): ... this.
399         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
400         (bCC): Remove.
401         (cbranchdi4): New.
402         (cbranchdf4): New.  Handle invalid comparisons here.
403         * config/mmix/predicates.md (float_comparison_operator): New.
404
405         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
406         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
407         * config/mn10300/mn10300.md (tst): Delete.
408         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
409         Name these patterns and wrap RHS in a compare.
410         (*cmpsi): Make this pattern private.  Include tst.
411         (*cmpsf): Make this pattern private.
412         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
413         (compare with zero peepholes): Likewise.
414         (bCC): Remove.
415         (cbranchsi4, cbranchsf4): New.
416         (casesi): Use cbranchsi4.
417
418         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
419         hppa_branch_type): Delete.
420         (return_addr_rtx): Use cbranchsi4.
421         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
422         Emit CCFPmode comparison here.
423         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
424         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
425         hppa_branch_type): Delete.
426         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
427         (movsicc, movdicc): Remove references to hppa_compare_op0,
428         hppa_compare_op1 and compare_from_rtx.
429         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
430         (casesi): Use cbranchsi4.
431
432         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
433         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
434         * config/pdp11/pdp11.md (register_or_const0_operand): New.
435         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
436         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
437         (bCC): Delete.
438         (cbranchdf4, cbranchhi4, cbranchqi4): New.
439         (*branch, *branch_inverted): New.
440
441         * config/picochip/picochip.md (cbranchhi4): Use
442         ordered_comparison_operator.
443         (cmphi, bCC): Remove.
444
445         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
446         (trap_comparison_operator): Delete.
447         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
448         rs6000_emit_cbranch): Accept mode and operands.
449         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
450         rs6000_compare_fp_p): Delete.   
451         (rs6000_generate_compare): Accept mode and comparison.  Extract code
452         and op0/op1 from there.  Replace references to rs6000_compare_op0
453         and rs6000_compare_op1.
454         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
455         extract result from passed operands.
456         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
457         extract loc from passed operands.
458         (rs6000_emit_cmove): Likewise.
459         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
460         rs6000_compare_fp_p): Delete.
461         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
462         (cbranch<GPR>4, cbranch<FP>4): New.
463         (cstore<mode>4): New.  Consolidate here all choices about when to use
464         portable or specialized sCC sequences.
465         (stack_protect_test): Use cbranchsi4.
466         (conditional_trap): Replace with ctrap<GPR>4.
467         (conditional trap insn): Replace trap_comparison_operator with
468         ordered_comparison_operator. 
469
470         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
471         (s390_emit_prologue): Use ctrap.
472         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
473         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
474         New predicates replacing...
475         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
476         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
477         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
478         (add<mode>cc): Do not use s390_compare_op0/op1.
479         (s<code>): Change to...
480         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
481         (seq): Change to...
482         (cstorecc4): ... this.  Handle EQ or NE equally.
483         (*sne): Un-privatize for use in cstorecc4.
484         (b<code>): Change to...
485         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
486         (conditional_trap): Replace with...
487         (ctrap<GPR>4, ctrap<FP>4): ... these.
488         (stack_protect): Use cbranchcc4.
489
490         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
491         * config/score/score-protos.h (score_gen_cmp): Delete.
492         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
493         (score_block_move-loop): Use cbranchsi4.
494         * config/score/score.md (cbranchsi4): New.
495         (cmpsi, bCC): Delete.
496         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
497         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
498         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
499         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
500         * config/score/score3.h (score3_gen_cmp): Delete.
501         * config/score/score7.h (score7_gen_cmp): Delete.
502
503         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
504         (sh_emit_scc_to_t): ... this.  Return void.
505         (from_compare): Rename to...
506         (sh_emit_compare_and_branch): ... this.
507         (sh_emit_compare_and_set): New.
508         (sh_expand_t_scc): Accept operands.
509         * config/sh/predicates.md (sh_float_comparison_operator): New.
510         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
511         (prepare_scc_operands): Rename to...
512         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
513         arguments.
514         (sh_emit_cheap_store_flag): New.
515         (sh_emit_set_t_insn): New.
516         (from_compare): Rename to...
517         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
518         handling of TARGET_SH2E floating point to avoid recursive call.
519         Generate branch here.
520         (sh_emit_compare_and_set): New.
521         (sh_expand_t_scc): Get op0/op1 from arguments.
522         (sh_emit_cheap_store_flag): New.
523         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
524         cases.
525         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
526         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
527         (movsicc, movdicc): Do nothing when it recreated operands from
528         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
529         prepare_scc_operands (now sh_emit_scc_to_t).
530         (udivdi3): Use cstoresi4.
531         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
532         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
533         (cbranchint4_media, cbranchfp4_media): New.
534         (casesi): Use cbranchdi4.
535         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
536         Delete.
537         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
538         (movnegt): Remove second operand.
539         (cbranchsf4, cbranchdf4): New.
540         (stack_protect): Use cbranchdi4/cbranchsi4.
541
542         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
543         (gen_compare_reg): Accept comparison, extract part of it to...
544         (gen_compare_reg_1): ... this. 
545         (gen_compare_operator): Delete.
546         (gen_v9_scc): Accept separate destination, comparison code and arms.
547         Do not use sparc_compare_op0/sparc_compare_op1.
548         (emit_scc_insn, emit_conditional_branch_insn): New.
549         (emit_v9_brxx): Make static.  Remove useless assertion.
550         (sparc_emit_float_lib_cmp): Return RTL instead of calling
551         emit_cmp_insn.
552         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
553         * config/sparc/sparc-protos.h (gen_compare_reg,
554         sparc_emit_float_lib_cmp): Adjust prototype.
555         (emit_scc_insn, emit_conditional_branch_insn): New.
556         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
557         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
558         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
559         iterators to the top.
560         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
561         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
562         snedi_special_trunc): Delete.
563         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
564         and snedi_special_trunc.
565         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
566         cbranchdi4, cbranch<F:mode>4): New.
567         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
568         here.  Use gen_compare_reg instead of gen_compare_operator.
569         (conditional_trap): Replace with...
570         (ctrapsi4, ctrapdi4): ... this.
571         (stack_protect_test): Use cbranchcc4.
572
573         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
574         argument to rtx.
575         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
576         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
577         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
578         from operands[0] or operands[3] depending on is_set.
579         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
580         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
581         cmpdf, bCC), sCC: Remove.
582         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
583         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
584         cstoredf4): New.
585         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
586         spu_emit_branch_or_set.
587
588         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
589         Add two arguments.
590         * config/stormy16/stormy16.h (xstormy16_compare_op0,
591         xstormy16_compare_op1): Delete.
592         * config/stormy16/stormy16.c (xstormy16_compare_op0,
593         xstormy16_compare_op1): Delete. 
594         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
595         Adjust calls.
596         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
597         (cmphi, cmpsi, bCC): Remove.
598
599         * config/v850/v850.md (tstsi, cmpsi): Fold into...
600         (*cmpsi): ... this one.
601         (cbranchsi4, cstoresi4): New.
602         (bCC expanders): Delete.
603         (sCC insns): Fold into...
604         (*setcc): ... this one.
605         (casesi): Do not use gen_cmpsi and gen_bgtu. 
606         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
607         (movsicc): Simplify.
608         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
609
610         * config/vax/vax-protos.h (cond_name): New.
611         (vax_output_conditional_branch): Remove.
612         * config/vax/vax.c (cond_name): New.
613         (vax_output_conditional_branch): Remove.
614         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
615         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
616         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
617         (bit<VAXint>): Wrap source with (compare).
618         (b<code> and following unnamed pattern): Rename to *branch and
619         *branch_reversed.  Change macroization to match_operator.
620         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
621
622         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
623         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
624         Change last argument to machine_mode.
625         (xtensa_expand_scc): Add machine_mode argument.
626         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
627         (gen_conditional_move, xtensa_expand_conditional_branch,
628         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
629         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
630         Adjust operand numbers.
631         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
632         Delete.
633         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
634         (cmpsi, cmpsf, b<code>, s<code>): Delete.
635         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
636
637 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
638
639         * optabs.c (prepare_cmp_insn): Temporarily disable test that
640         causes spurious differences between trunk and cond-optab branch.
641
642 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
643
644         PR target/37137
645         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
646
647 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
648
649         * tree.c (iterative_hash_pointer): Delete.
650         (iterative_hash_expr): Short-circuit handling of NULL pointer.
651         Hash UIDs and versions of SSA names.  Don't special-case built-in
652         function declarations.
653
654 2009-05-11  Ian Lance Taylor  <iant@google.com>
655
656         PR bootstrap/40103
657         * graphite.c: Force -Wc++-compat to only be a warning before
658         #including "cloog/cloog.h".
659
660 2009-05-11  Martin Jambor  <mjambor@suse.cz>
661
662         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
663         
664 2009-05-11  Jan Hubicka  <jh@suse.cz>
665
666         * tree-ssa-loop-ivcanon.c: Include target.h
667         (struct loop_size): new structure.
668         (constant_after_peeling): New predicate.
669         (tree_estimate_loop_size): New function.
670         (estimated_unrolled_size): Rewrite for new estimates.
671         (try_unroll_loop_completely): Use new estimates.
672         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
673
674 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
675
676         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
677         libcpp interface change.
678         (spu_macro_to_expand): Likewise.
679
680 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
681
682         PR tree-optimization/40026
683         * gimplify.c (gimplify_init_constructor): Change initial conditional
684         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
685         optimize_compound_literals_in_ctor.
686
687 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
688
689         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
690         New devices.
691         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
692
693 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
694
695         * tree-vect-data-refs.c (vect_analyze_group_access): Use
696         HOST_WIDE_INT for gap.
697
698 2009-05-11  Ira Rosen  <irar@il.ibm.com>
699
700         PR tree-optimization/40074
701         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
702         account in group size and step comparison.
703
704 2009-05-11  Richard Guenther  <rguenther@suse.de>
705
706         * passes.c (init_optimization_passes): Strip now incorrect comment.
707         (execute_function_todo): Do not set PROP_alias.
708         * tree-pass.h (PROP_alias): Remove.
709         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
710         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
711         * tree-nrv.c (pass_return_slot): Likewise.
712         * tree-object-size.c (pass_object_sizes): Likewise.
713         * tree-ssa-dom.c (pass_dominator): Likewise.
714         (pass_phi_only_cprop): Likewise.
715         * tree-ssa-dse.c (pass_dse): Likewise.
716         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
717         (pass_cselim): Likewise.
718         * tree-ssa-pre.c (pass_pre): Likewise.
719         (pass_fre): Likewise.
720         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
721         * tree-ssa-sink.c (pass_sink_code): Likewise.
722         * tree-stdarg.c (pass_stdarg): Likewise.
723         * tree-tailcall.c (pass_tail_calls): Likewise.
724         * tree-vrp.c (pass_vrp): Likewise.
725
726 2009-05-10  Ian Lance Taylor  <iant@google.com>
727
728         * basic-block.h (enum profile_status): Break out of struct
729         control_flow_graph.
730         * cgraph.h (struct inline_summary): Break out of struct
731         cgraph_local_info.
732         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
733         of struct cgraph_order_sort.
734         * combine.c (enum undo_kind): New enum, broken out of struct undo.
735         * cse.c (struct branch_path): Break out of struct
736         cse_basic_block_data.
737         * except.h (enum eh_region_type): Break out of struct eh_region.
738         * gcc.c (enum add_del): Break out of struct modify_target.
739         * genrecog.c (enum decision_type): Break out of struct decision_test.
740         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
741         ggc_pch_data.
742         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
743         * regmove.c (enum match_use): New enum, broken out of struct match.
744         * sched-int.h (enum post_call_group): New enum, broken out of
745         struct deps.
746         (struct deps_reg): Break out of struct deps.
747         * target.h (struct asm_int_op): Break out of struct gcc_target.
748         * tree-eh.c (struct goto_queue_node): Break out of struct
749         leh_tf_state.
750         * tree-inline.h (enum copy_body_cge_which): Break out of
751         copy_body_data.
752         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
753
754         * c-decl.c (in_struct, struct_types): New static variables.
755         (pushtag): Add loc parameter.  Change all callers.
756         (lookup_tag): Add ploc parameter.  Change all callers.
757         (check_compound_literal_type): New function.
758         (parser_xref_tag): Add loc parameter.  Change all callers.  If
759         -Wc++-compat, warn about struct/union/enum types defined within a
760         struct or union.
761         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
762         and loc parameters.  Change all callers.  Change error calls to
763         error_at, using loc.  For a redefinition, if the location of the
764         original definition is known, report it.  Set in_struct and
765         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
766         (finish_struct): Add new parameters enclosing_in_struct and
767         enclosing_struct_types.  Change all callers.  Set
768         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
769         in the struct.  If in a struct, add this struct to struct_types.
770         (start_enum): Add loc parameter.  Change all callers.  Use
771         error_at for errors, using loc.  For a redefinition, if the
772         location of the original definition is known, report it.  If in a
773         struct, add this enum type to struct_types.  If -Wc++-compat warn
774         if in sizeof, typeof, or alignof.
775         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
776         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
777         (c_parser_enum_specifier): Get enum location for start_enum.
778         (c_parser_struct_or_union_specifier): Get struct location for
779         start_struct.  Save in_struct and struct_types status between
780         start_struct and finish_struct.
781         (c_parser_cast_expression): Get location of cast.
782         (c_parser_alignof_expression): Get location of type.
783         (c_parser_postfix_expression): Likewise.
784         (c_parser_postfix_expression_after_paren_type): Add type_loc
785         parameter.  Change all callers.  Call check_compound_literal_type.
786         Use type_loc for error about variable size type.
787         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
788         of an enum constant from an enum type defined in a struct or union.
789         (c_cast_expr): Add loc parameter.  Change all callers.  If
790         -Wc++-compat, warn about defining a type in a cast.
791         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
792         (start_enum, start_struct, finish_struct): Update declarations.
793         (parser_xref_tag, c_cast_expr): Update declarations.
794         (check_compound_literal_type): Declare.
795
796 2009-05-11  Ben Elliston  <bje@au.ibm.com>
797
798         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
799         for recent libcpp interface change.
800         (rs6000_macro_to_expand): Likewise.
801
802 2009-05-10  Michael Matz  <matz@suse.de>
803
804         PR target/40031
805         * config/arm/arm.c (require_pic_register): Emit on entry edge,
806         not at entry of function.
807
808 2009-05-10  Richard Guenther  <rguenther@suse.de>
809
810         PR tree-optimization/40081
811         Revert
812         * tree-sra.c (instantiate_element): Instantiate scalar replacements
813         using the main variant of the element type.  Do not fiddle with
814         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
815
816         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
817         structs with volatile fields.
818
819 2009-05-10  Jan Hubicka  <jh@suse.cz>
820
821         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
822         (estimate_move_cost): Assert that it does not get called for
823         VOID_TYPE_P.
824         (estimate_num_insns): Skip VOID types in argument handling.
825         (optimize_inline_calls): Delete unreachable blocks and verify that
826         callgraph is valid.
827
828 2009-05-10  Jan Hubicka  <jh@suse.cz>
829
830         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
831         * cgraph.c (cgraph_mark_address_taken_node): New function.
832         (dump_cgraph_node): Dump new flag.
833         * cgraph.h (struct cgraph_node): Add address_taken.
834         (cgraph_mark_address_taken_node): New function.
835         * ipa.c (cgraph_postorder): Prioritize functions with address taken
836         since new direct calls can be born.
837
838 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
839
840         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
841         tok->val.node.node.
842
843 2009-05-10  Jan Hubicka  <jh@suse.cz>
844
845         PR middle-end/40084
846         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
847         argument; rewrite.
848         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
849         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
850         * tree-inline.c (copy_bb): Set frequency correctly.
851         (fold_marked_statements): Update call to
852         cgraph_update_edges_for_call_stmt.
853
854 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
855
856         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
857         identifiers in diagnostics.
858         * config/arm/arm.c (arm_handle_fndecl_attribute,
859         arm_handle_isr_attribute): Likewise.
860         * config/avr/avr.c (avr_handle_progmem_attribute,
861         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
862         Likewise.
863         * config/bfin/bfin.c (handle_int_attribute,
864         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
865         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
866         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
867         Likewise.
868         * config/darwin.c (darwin_handle_kext_attribute,
869         darwin_handle_weak_import_attribute): Likewise.
870         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
871         h8300_handle_eightbit_data_attribute,
872         h8300_handle_tiny_data_attribute): Likewise.
873         * config/i386/i386.c (ix86_handle_cconv_attribute,
874         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
875         Likewise.
876         * config/i386/winnt.c (ix86_handle_shared_attribute,
877         ix86_handle_selectany_attribute): Likewise.
878         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
879         * config/m32c/m32c.c (function_vector_handler): Likewise.
880         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
881         m68hc11_handle_fntype_attribute): Likewise.
882         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
883         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
884         * config/mips/mips.c (mips_insert_attributes,
885         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
886         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
887         rs6000_handle_struct_attribute): Likewise.
888         * config/sh/sh.c (sh_insert_attributes,
889         sh_handle_resbank_handler_attribute,
890         sh_handle_interrupt_handler_attribute,
891         sh2a_handle_function_vector_handler_attribute,
892         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
893         Likewise.
894         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
895         * config/spu/spu.c (spu_handle_fndecl_attribute,
896         spu_handle_vector_attribute): Likewise.
897         * config/stormy16/stormy16.c
898         (xstormy16_handle_interrupt_attribute): Likewise.
899         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
900         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
901
902 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
903
904         * pretty-print.h (struct pretty_print_info): Add
905         translate_identifiers.
906         (pp_translate_identifiers): New.
907         (pp_identifier): Only conditionally translate identifier to locale
908         character set.
909         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
910         (pp_base_tree_identifier): Only conditionally translate identifier
911         to locale character set.
912         * c-pretty-print.c (M_): Define.
913         (pp_c_type_specifier, pp_c_primary_expression): Mark English
914         fragments for conditional translation with M_.
915         * tree-pretty-print.c (maybe_init_pretty_print): Disable
916         identifier translation.
917
918 2009-05-10  Richard Guenther  <rguenther@suse.de>
919
920         PR tree-optimization/40081
921         * tree-sra.c (instantiate_element): Instantiate scalar replacements
922         using the main variant of the element type.  Do not fiddle with
923         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
924
925 2009-05-09  Jan Hubicka  <jh@suse.cz>
926
927         PR middle-end/40080
928         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
929         indirect calls; verify cgraph afterwards.
930
931 2009-05-09  Jan Hubicka  <jh@suse.cz>
932
933         PR bootstrap/40082
934         * ipa.c (update_inlined_to_pointer): New function.
935         (cgraph_remove_unreachable_nodes): Use it.
936
937 2009-05-09  Jan Hubicka  <jh@suse.cz>
938
939         * tree-eh.c (struct leh_state): Remove prev_try.
940         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
941         not track prev_try.
942         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
943         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
944         remove_eh_handler_and_replace, foreach_reachable_handler,
945         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
946         * except.h (struct eh_region): Remove eh_region_u_cleanup.
947         (gen_eh_region_cleanup): Update prototype.
948
949 2009-05-09  Jan Hubicka  <jh@suse.cz>
950
951         PR middle-end/40043
952         * except.c (copy_eh_region): Always set prev_try.
953         (redirect_eh_edge_to_label): Find outer try.
954         (foreach_reachable_handler): When looking for prev try
955         handle case where previous try is not going to be taken.
956
957 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
958
959         PR tree-optimization/40049
960         * tree-vect-stmts.c (vectorizable_operation): If the machine has
961         only vector/vector shifts, convert the type of the constant to the
962         appropriate type to avoid building incorrect trees, which
963         eventually have problems with garbage collection.
964
965 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
966
967         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
968         -1 for complex floating-point types if honoring signed zeros.
969
970 2009-05-08  Jan Hubicka  <jh@suse.cz>
971
972         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
973         argument; handle correctly when profile is absent.
974         (build_cgraph_edges): Update.
975         (rebuild_cgraph_edges): Update.
976         * cgraph.c: Do not include varray.h.
977         (cgraph_set_call_stmt_including_clones): New function.
978         (cgraph_create_edge_including_clones): Likewise
979         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
980         (cgraph_update_edges_for_call_stmt): Handle clones.
981         (cgraph_remove_node): Handle clone tree.
982         (cgraph_remove_node_and_inline_clones): New function.
983         (dump_cgraph_node): Dump clone tree.
984         (cgraph_clone_node): Handle clone tree.
985         (clone_function_name): Bring here from tree-inline.c.
986         (cgraph_create_virtual_clone): New function.
987         * cgraph.h (ipa_replace_map): Move here from ipa.h.
988         (cgraph_clone_info): New function.
989         (strut cgraph_node): Add clone_info and new clone tree pointers.
990         (cgraph_remove_node_and_inline_clones,
991         cgraph_set_call_stmt_including_clones,
992         cgraph_create_edge_including_clones,
993         cgraph_create_virtual_clone): Declare.
994         (cgraph_function_versioning): Use VEC argument.
995         (compute_call_stmt_bb_frequency): Update prototype.
996         (cgraph_materialize_all_clones): New function.
997         * ipa-cp.c (ipcp_update_cloned_node): Remove.
998         (ipcp_create_replace_map): Update to VECtors.
999         (ipcp_update_callgraph): Use virtual clones.
1000         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1001         (ipcp_update_profiling): Do not update local profiling.
1002         (ipcp_insert_stage): Use VECtors and virtual clones.
1003         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1004         (clone_of_p): New function.
1005         (cgraph_preserve_function_body_p): Use clone tree.
1006         (cgraph_optimize): Materialize clones.
1007         (cgraph_function_versioning): Update for VECtors.
1008         (save_inline_function_body): Use clone tree.
1009         (cgraph_materialize_clone): New function.
1010         (cgraph_materialize_all_clones): Likewise.
1011         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1012         * ipa.c: Include gimple.h.
1013         (cgraph_remove_unreachable_nodes): Use clone tree.
1014         * ipa-prop.c (ipa_note_param_call): Update call to
1015         compute_call_stmt_bb_frequencycall.
1016         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1017         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1018         (copy_bb): Handle updating of clone tree; add new edge when new call
1019         appears.
1020         (expand_call_inline): Be strict about every call having edge.
1021         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1022         (delete_unreachable_blocks_update_callgraph): New function.
1023         (tree_function_versioning): Use VECtors; always remove unreachable
1024         blocks and fold conditionals.
1025         * tree-inline.h: Do not include varray.h.
1026         (tree_function_versioning): Remove.
1027         * Makefile.in (GTFILES): Remove tree-inline.c
1028         * passes.c (do_per_function): Do only functions having body.
1029         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1030         tree.
1031
1032 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1033             Andrew Morrow  <acm@google.com>
1034
1035         PR c/36892
1036         * c-common.c (c_common_attribute_table): Permit deprecated
1037         attribute to take an optional argument.
1038         (handle_deprecated_attribute): If the optional argument to
1039         __attribute__((deprecated)) is not a string ignore the attribute
1040         and emit a warning.
1041
1042         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1043         * c-typeck.c (build_component_ref): Likewise.
1044         (build_external_ref): Likewise.
1045
1046         * toplev.c (warn_deprecated_use): Add an attribute argument.
1047         Emit the message associated with __attribute__((deprecated)).
1048
1049         * toplev.h (warn_deprecated_use): Updated.
1050
1051         * doc/extend.texi: Document new optional parameter to
1052         __attribute__((deprecated))
1053
1054 2009-05-08  Michael Eager <eager@eagercon.com>
1055
1056         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1057         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1058
1059 2009-05-08  Richard Guenther  <rguenther@suse.de>
1060
1061         PR tree-optimization/40062
1062         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1063         Avoid exponential behavior.
1064
1065 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1066
1067         PR rtl-optimization/33928
1068         PR 26854
1069         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1070         process_uses, build_single_def_use_links): New.
1071         (update_df): Update use_def_ref.
1072         (forward_propagate_into): Use get_def_for_use instead of use-def
1073         chains.
1074         (fwprop_init): Call build_single_def_use_links and let it initialize
1075         dataflow.
1076         (fwprop_done): Free use_def_ref.
1077         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1078         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1079         df_rd_simulate_one_insn): New.
1080         (df_rd_bb_local_compute_process_def): Update head comment.
1081         (df_chain_create_bb): Use the new RD simulation functions.
1082         * df.h (df_rd_simulate_artificial_defs_at_top, 
1083         df_rd_simulate_one_insn): New.
1084         * opts.c (decode_options): Enable fwprop at -O1.
1085         * doc/invoke.texi (-fforward-propagate): Document this.
1086
1087 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1088
1089         PR c/24581
1090         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1091         and one complex operand specially.
1092         * tree-complex.c (some_nonzerop): Do not identify a real value as
1093         zero if flag_signed_zeros.
1094
1095 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1096
1097         PR rtl-optimization/33928
1098         * loop-invariant.c (record_use): Fix && vs. || mishap.
1099
1100 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1101
1102         PR rtl-optimization/33928
1103         * loop-invariant.c (struct use): Add addr_use_p.
1104         (struct def): Add n_addr_uses.
1105         (struct invariant): Add cheap_address.
1106         (create_new_invariant): Set cheap_address.
1107         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1108         (record_uses): Pass df_ref to record_use.
1109         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1110         used only as such.
1111
1112 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1113
1114         * config/sh/sh.c: Do not include c-pragma.h.
1115
1116 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1117
1118         * config/spu/spu.c: Remove include of c-common.h.
1119
1120 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1121
1122         PR c/39037
1123         * c-common.h (mark_valid_location_for_stdc_pragma,
1124         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1125         clear_float_const_decimal64, float_const_decimal64_p): New.
1126         * c.opt (Wunsuffixed-float-constants): New.
1127         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1128         unsuffixed float constant, handle new warning.
1129         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1130         * c-decl.c (c_scope): New flag float_const_decimal64.
1131         (set_float_const_decimal64, clear_float_const_decimal64,
1132         float_const_decimal64_p): New.
1133         (push_scope): Set new flag.
1134         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1135         to use STDC pragmas.
1136         (c_parser_external_declaration): Ditto.
1137         (c_parser_compound_statement_nostart): Ditto.
1138         * c-pragma.c (valid_location_for_stdc_pragma,
1139         mark_valid_location_for_stdc_pragma,
1140         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1141         handle_pragma_float_const_decimal64): New.
1142         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1143         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1144         set_float_const_decimal64, clear_float_const_decimal64,
1145         float_const_decimal64_p): New dummy functions.
1146         * doc/extend.texi (Decimal Float): Remove statement that the
1147         pragma, and suffix for double constants, are not supported.
1148         * doc/invoke.texi (Warning Options): List new option.
1149         (-Wunsuffixed-float-constants): New.
1150
1151 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1152
1153         * config/i386/i386.c: Do not include c-common.h.
1154
1155 2009-05-07  Mark Heffernan  <meheff@google.com>
1156
1157         * doc/invoke.texi (Debugging Options): Document change of debugging
1158         dump location.
1159         * opts.c (decode_options): Make dump_base_name relative to
1160         aux_base_name directory.
1161
1162 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1163
1164         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1165         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1166
1167 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1168
1169         * Makefile.in (install-plugin): Simplify a bit.
1170
1171 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1172
1173         * Makefile.in (OBJS-common): Add regcprop.o.
1174         (regcprop.o): New.
1175         * timevar.def (TV_CPROP_REGISTERS): New.
1176         * regrename.c (regrename_optimize): Return 0.
1177         (rest_of_handle_regrename): Delete.
1178         (pass_rename_registers): Point to regrename_optimize.
1179         (struct value_data_entry, struct value_data, 
1180         kill_value_one_regno, kill_value_regno, kill_value,
1181         set_value_regno, init_value_data, kill_clobbered_value,
1182         kill_set_value, kill_autoinc_value, copy_value,
1183         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1184         replace_oldest_value_reg, replace_oldest_value_addr,
1185         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1186         debug_value_data, validate_value_data): Move...
1187         * regcprop.c: ... here.
1188         (rest_of_handle_cprop): Delete.
1189         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1190
1191 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1192
1193         PR middle-end/40057
1194         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1195         GEN_INT for 1 << bitnum.
1196         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1197         build_int_cst_type.
1198
1199 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1200
1201         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1202         Remove wrong description of "nand" operation.
1203
1204 2009-05-06  Richard Guenther  <rguenther@suse.de>
1205             Adam Nemet  <anemet@caviumnetworks.com>
1206
1207         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1208         comment.  Add that if LHS is not a gimple register, then RHS1 has
1209         to be a single object (GIMPLE_SINGLE_RHS).
1210
1211 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1212
1213         * expr.c (get_def_for_expr): Move it up in the file.
1214         (store_field): When expanding a bit-field store, look at the
1215         defining gimple stmt for the masking conversion.
1216
1217 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1218
1219         PR middle-end/39986
1220         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1221         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1222         32-bit memcpy into long.
1223
1224 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1225
1226         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1227         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1228         new_reg_loc_descr.
1229         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1230         instead of appending DW_OP_deref*.
1231
1232 2009-05-06  Michael Matz  <matz@suse.de>
1233
1234         PR middle-end/40021
1235         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1236         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1237
1238 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1239
1240         * Makefile.in (install-plugin): Fix srcdir handling.
1241
1242 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1243
1244         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1245         when processing for not_regs_needed bitmap.
1246         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1247         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1248         handling it for rhs. 
1249
1250 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1251
1252         * config/i386/i386.md (unnamed inc/dec peephole): Use
1253         optimize_insn_for_size_p instead of optimize_size.
1254         * config/i386/predicates.md (incdec_operand): Likewise.
1255         (aligned_operand): Likewise.
1256         * config/i386/sse.md (divv8sf3): Likewise.
1257         (sqrtv8sf2): Likewise.
1258
1259 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1260
1261         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1262
1263         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1264
1265 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1266
1267         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1268         ssemodesuffixf2c with avxmodesuffixf2c.
1269
1270 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1271
1272         PR c/40032
1273         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1274
1275 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1276
1277         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1278         (struct tree_base): Adjust spacing for 8 bit boundaries.
1279         (struct tree_decl_common): Add decl_by_reference_flag bit.
1280         (DECL_BY_REFERENCE): Adjust.
1281         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1282         print DECL_BY_REFERENCE bit.
1283         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1284         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1285         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1286         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1287         unconditionally.
1288
1289         PR middle-end/39666
1290         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1291         range of the type, but default label is missing, add it with one
1292         of the existing labels instead of adding a new label for it.
1293
1294 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1295
1296         * dwarf.h: Remove.
1297
1298 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1299
1300         * Makefile.in (enable_plugin, plugin_includedir): New.
1301         (install): Depend on install-plugin.
1302         (PLUGIN_HEADERS): New.
1303         (install-plugin): New.
1304         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1305
1306 2009-05-05  Richard Guenther  <rguenther@suse.de>
1307
1308         PR tree-optimization/40022
1309         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1310         the only vuse.
1311         (phivn_valid_p): Fix tuplification error, simplify.
1312         (phiprop_insert_phi): Add dumps.
1313         (propagate_with_phi): Simplify.
1314
1315 2009-05-05  Richard Guenther  <rguenther@suse.de>
1316
1317         PR middle-end/40023
1318         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1319
1320 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1321
1322         * tree.h (strip_float_extensions): Remove duplicate declaration.
1323         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1324         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1325         block_ultimate_origin): Rearrange the declarations line to match the
1326         comment that indicates the .c file which the functions are defined.
1327         (dwarf2out_*, set_decl_rtl): Add comment.
1328         (get_base_address): Adjust comment.
1329         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1330         declarations line and add comment.
1331         (is_builtin_name): Add blank after function name, for clarity.
1332
1333 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1334
1335         * attribs.c (decl_attributes): Use %qE for identifiers in
1336         diagnostics.
1337         * cgraphunit.c (verify_cgraph_node): Translate function names to
1338         locale character set in diagnostics.
1339         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1340         diagnostics.
1341         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1342         Document that functions are named in UTF-8.
1343         * expr.c (expand_expr_real_1): Translate function names to locale
1344         character set in diagnostics.
1345         * gimplify.c (omp_notice_variable, omp_is_private,
1346         gimplify_scan_omp_clauses): Use %qE for identifiers in
1347         diagnostics.
1348         * langhooks.c (lhd_print_error_function): Translate function names
1349         to locale character set.
1350         * langhooks.h (decl_printable_name): Document that return value is
1351         in internal character set.
1352         * stmt.c: Include pretty-print.h
1353         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1354         diagnostics.
1355         (resolve_operand_name_1): Translate named operand name to locale
1356         character set.
1357         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1358         diagnostics.
1359         * toplev.c (announce_function): Translate function names to locale
1360         character set.
1361         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1362         (default_tree_printer): Use pp_identifier or translate identifiers
1363         to locale character set.  Mark "<anonymous>" for translation.
1364         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1365         for identifiers in diagnostics.
1366         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1367         diagnostics.
1368         * varasm.c (output_constructor): Use %qE for identifiers in
1369         diagnostics.
1370
1371 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1372
1373         * configure.ac: use ` ` instead of $()
1374         * configure: Regenerate.
1375
1376 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1377
1378         * config/pa/linux-atomic.c: Eliminate conditional include of
1379         errno.h on non-LP64 systems to simplify build requirements.
1380
1381 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1382
1383         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1384         diagnostics.
1385         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1386         and pass value to identifier_to_locale.
1387         (warn_variable_length_array): Make name a tree.
1388         (grokdeclarator): Separate diagnostic texts for named and unnamed
1389         declarators.  Use %qE for named declarators.
1390         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1391         diagnostics.
1392         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1393         identifiers in diagnostics.
1394         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1395         identifier_to_locale.  Mark "anonymous" strings for translation.
1396
1397 2009-05-04  Michael Eager <eager@eagercon.com>
1398
1399         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1400         address for DImode/DFmode only if double-precision FP regs.
1401
1402 2009-05-04  Michael Eager <eager@eagercon.com>
1403
1404         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1405         TARGET_SINGLE_FLOAT check.
1406
1407 2009-05-04  Michael Eager <eager@eagercon.com>
1408
1409         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1410
1411 2009-05-04  Michael Eager <eager@eagercon.com>
1412
1413         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1414         * config/rs6000/t-xilinx: New
1415
1416 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1417
1418         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1419         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1420         * gcc/explow.c (memory_address): Use target hook.
1421         * gcc/targhooks.c (default_legitimize_address): New.
1422         * gcc/targhooks.h (default_legitimize_address): New.
1423         * gcc/target.h (legitimize_address): New.
1424         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1425         (TARGET_INITIALIZER): Include it.
1426         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1427
1428         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1429         * config/bfin/bfin.c (legitimize_address): Remove.
1430         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1431         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1432         Remove.
1433         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1434         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1435
1436         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1437         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1438         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1439         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1440         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1441         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1442         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1443         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1444         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1445         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1446         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1447         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1448         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1449         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1450         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1451         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1452         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1453         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1454         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1455         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1456         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1457         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1458         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1459
1460         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1461         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1462         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1463         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1464         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1465         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1466         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1467         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1468         (thumb_legitimize_address): Delete.
1469         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1470         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1471         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1472         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1473         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1474         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1475         Delete.
1476         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1477         Delete.
1478
1479         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1480         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1481         * config/m32r/m32r.c (m32r_legitimize_address): New.
1482         * config/m68k/m68k.c (m68k_legitimize_address): New.
1483         * config/score/score.c (score_legitimize_address): Standardize.
1484         * config/score/score3.c (score3_legitimize_address): Standardize.
1485         * config/score/score3.h (score3_legitimize_address): Adjust.
1486         * config/score/score7.c (score7_legitimize_address): Standardize.
1487         * config/score/score7.h (score7_legitimize_address): Adjust.
1488         * config/sh/sh.c (sh_legitimize_address): New.
1489         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1490
1491         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1492         (s390_legitimize_address): ... this.
1493         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1494         (sparc_legitimize_address): ... this.
1495         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1496         (ix86_legitimize_address): ... this.
1497         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1498         (avr_legitimize_address): ... this.
1499         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1500         (mn10300_legitimize_address): ... this.
1501         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1502         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1503         (alpha_expand_mov): Adjust call.
1504
1505         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1506         * config/spu/spu.c (spu_legitimize_address): Likewise.
1507         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1508         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1509
1510 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1511
1512         * intl.c (locale_encoding, locale_utf8): New.
1513         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1514         * intl.h (locale_encoding, locale_utf8): Declare.
1515         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1516         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1517         New.
1518         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1519         argument.
1520         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1521         (pp_base_tree_identifier): Declare as function.
1522         (identifier_to_locale): Declare.
1523         * Makefile.in (pretty-print.o): Update dependencies.
1524         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1525
1526 2009-05-04  Richard Guenther  <rguenther@suse.de>
1527
1528         PR middle-end/40015
1529         * builtins.c (fold_builtin_memory_op): Do not decay to element
1530         type if the size matches the whole array.
1531
1532 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1533
1534         * expmed.c (synth_mult): When trying out a shift, pass the result
1535         of a signed shift.
1536
1537 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1538
1539         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1540         (shiftsub1_cost): New.
1541         (init_expmed): Compute shiftsub1_cost.
1542         (synth_mult): Optimize multiplications by constants of the form
1543         -(2^^m-1) for some constant positive integer m.
1544
1545 2009-05-03  Richard Guenther  <rguenther@suse.de>
1546
1547         PR c/39983
1548         * c-typeck.c (array_to_pointer_conversion): Do not built
1549         ADDR_EXPRs of arrays of pointer-to-element type.
1550         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1551         up wrong ADDR_EXPRs after-the-fact.
1552         * c-common.c (strict_aliasing_warning): Strip pointer
1553         conversions for obtaining the original type.
1554         * builtins.c (fold_builtin_memset): Handle array types.
1555         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1556         and array types
1557
1558 2009-05-03  Richard Guenther  <rguenther@suse.de>
1559
1560         PR middle-end/23329
1561         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1562         Do not lose casts from array types with unknown extent to array
1563         types with known extent.
1564         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1565         alias set compatibility.
1566
1567 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1568
1569         * flags.h (extra_warnings): Delete.
1570         * toplev.c (process_options): Handle Wuninitialized here.
1571         * opts.c (extra_warnings): Delete.
1572         (set_Wextra): Delete.
1573         (common_handle_option): -Wextra can be handled automatically.
1574         * c-opts.c (c_common_handle_option): Delete obsolete code.
1575         (c_common_post_options): Simplify comment.
1576         * common.opt (W): Add Var.
1577         (Wextra): Add Var.
1578         (Wuninitialized): Initialize to -1.
1579
1580 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1581             Richard Guenther  <rguenther@suse.de>
1582
1583         * expr.c (get_def_for_expr): New function.
1584         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1585         SSA rather than trees.
1586         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1587         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1588         
1589 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1590
1591         * c-common.c (reswords): Add _Imaginary.
1592         * c-common.c (enum rid): Add RID_IMAGINARY.
1593
1594 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1595
1596         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1597         Patch by Richard Guenther.
1598
1599 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1600
1601         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1602         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1603         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1604         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1605         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1606         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1607         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1608         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1609         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1610         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1611         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1612         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1613         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1614         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1615         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1616         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1617         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1618         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1619
1620 2009-05-02  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/39940
1623         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1624         doing so.
1625
1626 2009-05-02  Richard Guenther  <rguenther@suse.de>
1627
1628         PR middle-end/40001
1629         * tree-ssa.c (execute_update_addresses_taken): Properly check
1630         if we can mark a variable DECL_GIMPLE_REG_P.
1631         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1632         back to the end of the function.
1633         (is_gimple_reg_type): Remove complex type special casing.
1634         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1635         if not optimizing.
1636
1637 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1638
1639         * doc/collect2.texi (Collect2): Document search path behaviour
1640         when configured with --with-ld.
1641
1642 2009-05-02  Jan Hubicka  <jh@suse.cz>
1643
1644         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1645         parameter; update callers.
1646         (coalesce_cost_edge): EH edges are costier because they needs
1647         splitting even if not critical and even more costier when there are
1648         multiple EH predecestors.
1649
1650 2009-05-02  Jan Hubicka  <jh@suse.cz>
1651
1652         * except.c (remove_eh_handler_and_replace): Handle updating after
1653         removing TRY blocks.
1654
1655 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1656
1657         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1658
1659 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1660
1661         * varasm.c: Do not include c-pragma.h.
1662         * attribs.c: Do not incude c-common.h.
1663
1664 2009-05-01  Michael Matz  <matz@suse.de>
1665
1666         * calls.c (initialize_argument_information): Handle SSA names like
1667         decls with a non MEM_P DECL_RTL.
1668
1669 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1670
1671         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1672         * ipa-utils.c: Likewise.
1673         * ipa-type-escape.c: Likewise.
1674         * cgraphunit.c Do not include c-common.h.
1675         * ipa-pure-const.c: Likewise.
1676         * tree-if-conv.c: Likewise.
1677         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1678         * ipa-struct-reorg.c: Likewise.
1679         * tree-nomudflap.c: Likewise.
1680         * tree-ssa-structalias.c: Likewise.
1681
1682 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1683
1684         * store-motion.c: Many cleanups to make this pass a first-class
1685         citizen instead of an appendix to gcse load motion.  Add TODO list
1686         to make this pass faster/cleaner/better.
1687
1688         (struct ls_expr): Post gcse.c-split cleanups.
1689         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1690         "stores" field to "avail_stores".
1691         (pre_ldst_mems): Rename to store_motion_mems.
1692         (pre_ldst_table): Rename to store_motion_mems_table.
1693         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1694         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1695         (ldst_entry): Rename to st_expr_entry, update users.
1696         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1697         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1698         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1699         update caller.
1700         (first_ls_expr): Rename to first_st_expr, update users.
1701         (next_ls_expr): Rename to next_st_expr, update users.
1702         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1703         fields properly for store motion instead of names inherited from load
1704         motion in gcse.c.
1705         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1706         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1707         are done with it.
1708
1709         (ae_kill): Rename to st_kill, update users.
1710         (ae_gen): Rename to st_avloc, update users.
1711         (transp): Rename to st_transp, update users.
1712         (pre_insert_map): Rename to st_insert_map, update users.
1713         (pre_delete_map): Rename to st_delete_map, update users.
1714         (insert_store, build_store_vectors, free_store_memory,
1715         one_store_motion_pass): Update for abovementioned changes.
1716
1717         (gcse_subst_count, gcse_create_count): Remove.
1718         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1719         and "n_stores_created", local variables.
1720
1721         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1722         use for_each_rtx.
1723
1724         (regvec, compute_store_table_current_insn): Remove.
1725         (reg_set_info, reg_clear_last_set): Remove.
1726         (compute_store_table): Use DF caches instead of local dataflow
1727         solvers.
1728
1729 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1730
1731         * c-objc-common.c (c_tree_printer): Print identifiers with
1732         pp_identifier, not pp_string.  Mark "({anonymous})" for
1733         translation.
1734         * c-pretty-print.c (pp_c_ws_string): New.
1735         (pp_c_cv_qualifier, pp_c_type_specifier,
1736         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1737         pp_c_storage_class_specifier, pp_c_function_specifier,
1738         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1739         pp_c_primary_expression, pp_c_postfix_expression,
1740         pp_c_unary_expression, pp_c_shift_expression,
1741         pp_c_relational_expression, pp_c_equality_expression,
1742         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1743         use pp_string and pp_c_ws_string in place of pp_identifier and
1744         pp_c_identifier for non-identifiers.  Mark English strings for
1745         translation.
1746         * c-pretty-print.h (pp_c_ws_string): Declare.
1747
1748 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1749             Roland McGrath <roland@redhat.com>
1750
1751         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1752         (ENABLE_LD_BUILDID): New configuration option.
1753         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1754         (LINK_BUILDID_SPEC): New macro.
1755         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1756         link_spec.
1757         * doc/install.texi: Document --enable-linker-build-id option.
1758         * configure: Rebuild.
1759         * config.in: Rebuild.
1760
1761 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1762
1763         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1764         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1765         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1766         MIPS_GP_SAVE_AREA_SIZE.
1767         * config/mips/mips.c (struct mips_frame_info): Update comment
1768         before arg_pointer_offset and hard_frame_pointer_offset.
1769         (mips_compute_frame_info): Update diagram before function: to
1770         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1771         indicate the position of frame_pointer_rtx with -fstack-protector and
1772         to show args_size.  Don't allocate cprestore area for leaf functions
1773         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1774         cprestore_size.
1775         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1776
1777 2009-04-30  Michael Matz  <matz@suse.de>
1778
1779         PR tree-optimization/39955
1780         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1781
1782 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1783
1784         * ira.c (setup_cover_and_important_classes):  Use safe macro
1785         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1786         directly.
1787         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1788         REG_CLASS_FOR_CONSTRAINT.
1789
1790 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1791
1792         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1793         instead of an int.
1794         * bitmap.c (bitmap_descriptor): Likewise.
1795         * ggc-common.c (loc_descriptor): Likewise.
1796         * varray.c (varray_descriptor): Likewise.
1797         * vec.c (vec_descriptor): Likewise.
1798
1799 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1800
1801         * Makefile.in (dce.o): Add $(EXCEPT_H).
1802         * dce.c: Include except.h and delete redundant vector definitions.
1803         (deletable_insn_p): Return false for non-call insns that can throw
1804         if DF is running.
1805
1806 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1807
1808         * gcse.c (ae_gen): Remove.
1809         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1810         and make non-static function to make it available in store-motion.c.
1811         Update call sites with search-and-replace.
1812         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1813         extract_mentioned_regs, extract_mentioned_regs_helper,
1814         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1815         store_killed_in_insn, store_killed_after, store_killed_before,
1816         build_store_vectors, insert_insn_start_basic_block, insert-store,
1817         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1818         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1819         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1820         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1821         and clean up to remove parts not used by store motion.
1822         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1823         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1824
1825 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1826
1827         PR target/38571
1828         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1829         when optimizing for size.
1830
1831 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1832
1833         * gcse.c (gcse_constant_p): Fix typo in last change.
1834
1835 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1836
1837         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1838
1839 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1840
1841         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1842
1843 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1844
1845         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1846         CONST_HIGH_PART result.
1847
1848 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1849
1850         * config/avr/avr.c (initial_elimination_offset): Rename to
1851         avr_initial_elimination_offset.
1852         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1853         change return type to bool.
1854         (avr_can_eliminate): New function.
1855         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1856         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1857         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1858         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1859         avr_initial_elimination_offset.
1860         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1861         (avr_initial_elimination_offset): Define.
1862
1863 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1864             Steven Bosscher  <steven@gcc.gnu.org>
1865
1866         PR rtl-optimization/39938
1867         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1868         * cfgrtl.c: Include insn-attr.h.
1869         (rest_of_pass_free_cfg): New function.
1870         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1871         * resource.c (init_resource_info): Remove call to df_analyze.
1872
1873 2009-04-29  Richard Guenther  <rguenther@suse.de>
1874
1875         PR target/39943
1876         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1877         allow conversion to signed integers.
1878
1879 2009-04-29  Richard Guenther  <rguenther@suse.de>
1880
1881         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1882         shifts of floating point vectors if the shift amount is
1883         a constant multiple of the element size.
1884
1885 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1886             Michael Matz  <matz@suse.de>
1887
1888         PR middle-end/39927
1889         PR bootstrap/39929
1890         * tree-outof-ssa.c (emit_partition_copy): New function.
1891         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1892         insert_part_to_rtx_on_edge): Perform the partition base var
1893         copy using emit_partition_copy.
1894         (insert_value_copy_on_edge): Convert constants to the right mode.
1895         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1896         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1897
1898 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1899
1900         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1901         scan backwards to try to find a constant to initialize it.
1902
1903         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1904         insn before the loop_end instruction, don't look past labels.
1905
1906 2009-04-29  Richard Guenther  <rguenther@suse.de>
1907
1908         PR middle-end/39937
1909         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1910         loose type conversions.
1911         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1912         stmts only if there are no uses of its definition.
1913
1914 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1915
1916         * config/bfin/bfin.h (splitting_loops): Declare.
1917         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1918         Reorder bit definitions to be ascending.
1919         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1920         * config/bfin/bfin.c (splitting_loops): New variable.
1921         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1922         (struct loop_info): Remove members INIT and LOOP_INIT.
1923         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1924         the LSETUP sequence.  Allow LC to be loaded from any register, but
1925         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1926         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1927         set to 1.
1928         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1929         of reload_completed.
1930
1931         From Jie Zhang:
1932         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1933
1934 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1935
1936         * Makefile.in (PLUGIN_VERSION_H): New.
1937         (OBJS-common): Remove plugin-version.o.
1938         (plugin.o): Depend on (PLUGIN_VERSION_H).
1939         (plugin-version.o): Remove.
1940         * configure: Regenerate
1941         * configure.ac: Create plugin-version.h.
1942         * gcc-plugin.h (plugin_gcc_version): Remove.
1943         (plugin_default_version_check): Change signature.
1944         * plugin-version.c: Remove.
1945         * plugin.c: Include plugin-version.h.
1946         (str_plugin_gcc_version_name): Remove.
1947         (try_init_one_plugin): Pass gcc version to plugin_init.
1948         (plugin_default_version_check): Both gcc and plugin versions are now
1949         arguments.
1950
1951 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1952         
1953         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1954         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1955         Remove special case testing for last insn of inner loops. Don't fail
1956         if the loop ends with a jump, emit an extra nop instead.
1957
1958         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1959         DREGS rather than comparing directly.  Remove code that tries to
1960         account for latencies.
1961
1962 2009-04-29  Richard Guenther  <rguenther@suse.de>
1963
1964         PR tree-optimization/39941
1965         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1966         eliminating an indirect call.
1967
1968 2009-04-29  Richard Guenther  <rguenther@suse.de>
1969
1970         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1971         parameter.  Allow invariants as base if !require_lvalue.
1972         (verify_gimple_assign_single): Adjust.
1973
1974 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1975
1976         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1977         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1978         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1979         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1980         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1981         a VEC_SELECT.
1982         * config/bfin/bfin.c (bfin_expand_builtin,
1983         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
1984
1985 2009-04-28  Richard Guenther  <rguenther@suse.de>
1986
1987         * tree-vect-loop.c (get_initial_def_for_induction): Use
1988         correct types for pointer increment.
1989
1990 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1991
1992         * toplev.c (print_version): Update GMP version string calculation.
1993
1994 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1995
1996         PR rtl-optimization/39938
1997         * resource.c (init_resource_info): Add call to df_analyze.
1998
1999 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2000
2001         * config/alpha/alpha.md (usegp): Cast the result of
2002         alpha_find_lo_sum_using_gp to enum attr_usegp.
2003         * config/alpha/alpha.c (override_options): Remove end-of-structure
2004         marker element from cpu_table.  Use array size of cpu_table to handle
2005         -mcpu and -mtune options.
2006         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2007
2008 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2009
2010         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2011         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2012         tune_32 and tune_64.
2013         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2014         support on PowerPC.
2015         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2016         * config/rs6000/option-defaults.h: ... here.  New file.
2017         (OPT_64, OPT_32): Define.
2018         (MASK_64BIT): Define to 0 if not already defined.
2019         (OPT_ARCH64, OPT_ARCH32): Define.
2020         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2021         and tune_64.
2022
2023 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2024
2025         * config/arm/arm.c (arm_override_options): Emit error on using
2026         fpa with AAPCS.
2027
2028 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2029
2030         PR rtl-optimization/39914
2031         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2032         registers for allocnos created from user-defined variables only
2033         when not optimizing.
2034
2035 2009-04-28  Richard Guenther  <rguenther@suse.de>
2036
2037         PR middle-end/39937
2038         * fold-const.c (fold_binary): Use distribute_real_division only
2039         on float types.
2040
2041 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2042
2043         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2044         add hpux-stdint.h to tm_file.
2045         (hppa[12]*-*-hpux11*): Ditto.
2046         (ia64*-*-hpux*): Ditto.
2047         * config/hpux-stdint.h: New.
2048         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2049         __STDC_EXT__ for all compiles.
2050         * config/pa/pa-hpux.h: Ditto.
2051         * config/pa/pa-hpux10.h: Ditto.
2052         * config/pa/pa-hpux11.h: Ditto.
2053
2054 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2055
2056         * debug.h (set_name): Add comment.
2057
2058 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2059
2060         PR target/39929
2061         * config/darwin.c (machopic_gen_offset): Check
2062         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2063         * config/arm/arm.c (require_pic_register): Likewise.
2064
2065 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2066
2067         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2068         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2069         m32c_promote_prototypes): Delete.
2070
2071 2009-04-28  Michael Matz  <matz@suse.de>
2072
2073         PR middle-end/39922
2074         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2075         constants.
2076
2077 2009-04-28  Richard Guenther  <rguenther@suse.de>
2078
2079         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2080
2081 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2082
2083         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2084         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2085         * config/arm/arm-tune.md: Regenerate.
2086
2087 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2088
2089         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2090         block if there are complex incoming edges.
2091         (sel_merge_blocks): Remove useless assert.
2092         (sel_redirect_edge_and_branch): Check that edge was redirected.
2093         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2094         (sel_find_rgns): Delete declaration.
2095         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2096         the region when it is not a preheader.
2097
2098 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2099
2100         PR c/39323
2101         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2102
2103 2009-04-28  Richard Guenther  <rguenther@suse.de>
2104
2105         * tree.h (SSA_NAME_VALUE): Remove.
2106         (struct tree_ssa_name): Remove value_handle member.
2107         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2108         array for jump threading.
2109         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2110         SSA_NAME_VALUEs.
2111         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2112         * tree-flow.h (threadedge_initialize_values): Declare.
2113         (threadedge_finalize_values): Likewise.
2114         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2115         (SSA_NAME_VALUE): Define.
2116         (threadedge_initialize_values): New function.
2117         (threadedge_finalize_values): Likewise.
2118         * tree-ssa-dom.c (ssa_name_values): New global variable.
2119         (SSA_NAME_VALUE): Define.
2120         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2121
2122 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2123
2124         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2125         Use REPORT_VECTORIZED_LOCATIONS instead 
2126         REPORT_VECTORIZED_LOOPS.
2127         * tree-vectorizer.c (vect_verbosity_level): Make static.
2128         (vect_loop_location): Rename to vect_location.
2129         (vect_set_verbosity_level): Update comment.
2130         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2131         and vect_location.
2132         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2133         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2134         instead REPORT_UNVECTORIZED_LOOPS.
2135         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2136         and vect_loop_def to vect_external_def and vect_internal_def.
2137         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2138         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2139         REPORT_UNVECTORIZED_LOCATIONS.
2140         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2141         and vect_used_in_loop and to vect_unused_in_scope and 
2142         vect_used_in_scope.
2143         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2144         (vect_verbosity_level): Remove declaration.
2145         (vect_analyze_operations): Likewise.
2146         (vect_analyze_stmt): Declare.
2147         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2148         REPORT_UNVECTORIZED_LOCATIONS.
2149         (vect_get_loop_niters): Fix indentation.
2150         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2151         (vect_analyze_loop_operations): New function.
2152         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2153         vect_analyze_operations.
2154         (vect_is_simple_reduction): Use new names.
2155         (vectorizable_live_operation, vect_transform_loop): Likewise.
2156         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2157         to specify whether the data references can be a part of interleaving
2158         chain.
2159         (vect_analyze_data_ref_dependence): Use new names.
2160         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2161         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2162         * tree-vect-patterns.c (widened_name_p): Use new names.
2163         (vect_recog_dot_prod_pattern): Likewise.
2164         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2165         (process_use, vect_mark_stmts_to_be_vectorized, 
2166         vect_model_simple_cost, vect_model_store_cost,
2167         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2168         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2169         vectorizable_operation, vectorizable_type_demotion,
2170         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2171         vectorizable_condition): Likewise.
2172         (vect_analyze_operations): Split into vect_analyze_loop_operations
2173         and ...
2174         (vect_analyze_stmt): ... new function.
2175         (new_stmt_vec_info): Use new names.
2176         (vect_is_simple_use): Use new names and fix comment.
2177         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2178         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2179
2180 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2181
2182         PR target/39911
2183         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2184         and integer modes for x87 operands.  Do not ICE for unsupported size,
2185         generate error instead.  Generate error for unsupported operand types.
2186         ['z']: Do not handle HImode memory operands specially.  Warning
2187         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2188         types.  Do not ICE for unsupported size, generate error instead.
2189         (output_387_binary_op): Use %Z to output operands.
2190         (output_fp_compare): Ditto.
2191         (output_387_reg_move): Ditto.
2192
2193 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2194
2195         PR c++/35652
2196         Revert:
2197
2198         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2199
2200         * builtins.c (c_strlen): Do not warn here.
2201         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2202         * c-common.c (pointer_int_sum): Take an explicit location.
2203         Warn about offsets out of bounds.
2204         * c-common.h (pointer_int_sum): Adjust declaration.
2205
2206 2009-04-27  Ian Lance Taylor  <iant@google.com>
2207
2208         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2209         names to symkind.
2210         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2211         * df-core.c (df_set_flags): Change return type to int.  Change
2212         type of old_flags to int.
2213         (df_clear_flags): Likewise.
2214         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2215         (df_get_conditional_uses): Likewise.
2216         * df.h (df_set_flags, df_clear_flags): Update declarations.
2217         * dwarf2out.c (struct indirect_string_node): Change type of form
2218         field to enum dwarf_form.
2219         (AT_string_form): Change return type to enum dwarf_form.
2220         * fixed-value.c (fixed_compare): Add cast to enum type.
2221         * fwprop.c (update_df): Change 0 to VOIDmode.
2222         * gensupport.c: Change 0 to UNKNOWN.
2223         * gimple.h (gimple_cond_code): Add cast to enum type.
2224         * haifa-sched.c (reemit_notes): Add cast to enum type.
2225         * hooks.c (hook_int_void_no_regs): Remove function.
2226         * hooks.h (hook_int_void_no_regs): Remove declaration.
2227         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2228         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2229         * real.c (real_arithmetic): Add cast to enum type.
2230         (real_compare): Likewise.
2231         * target.h (struct gcc_target): Change return type of
2232         branch_target_register_class to enum reg_class.
2233         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2234         default_branch_target_register_class.
2235         * targhooks.c (default_branch_target_register_class): New function.
2236         * targhooks.h (default_branch_target_register_class): Declare.
2237         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2238         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2239         cast to int.
2240         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2241         ERROR_MARK.
2242         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2243         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2244         * tree-vect-stmts.c (supportable_widening_operation): Don't
2245         initialize icode1 and icode2.
2246         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2247         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2248         and to STD_C89.
2249         (cmn_err_flag_specs): Change 0 to STD_C89.
2250         (cmn_err_char_table): Likewise.
2251         * config/arm/arm.c (get_arm_condition_code): Change type of code
2252         to enum arm_cond_code.
2253         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2254         (IWMMXT_BUILTIN2): Likewise.
2255         (neon_builtin_type_bits): Don't define typedef.
2256         (neon_builtin_datum): Change type of bits field to int.
2257         (arm_expand_neon_args): Add cast to enum type.
2258         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2259         TLS_MODEL_NONE.
2260         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2261         casts to enum type.
2262         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2263         MIPS_FP_COND_f.
2264         * config/mips/mips.md (jal_macro): Return enum constant.
2265         (single_insn): Likewise.
2266         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2267         CODE_FOR_nothing.
2268         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2269         casts to enum type.
2270         * config/s390/s390.c (s390_tune_flags): Change type to int.
2271         (s390_arch_flags): Likewise.
2272         (s390_handle_arch_option): Change flags field of struct pta to int.
2273         * config/s390/s390.h (s390_tune_flags): Update declaration.
2274         (s390_arch_flags): Likewise.
2275         * config/sh/sh.c (prepare_move_operands): Compare
2276         tls_symbolic_operand result with enum constant.
2277         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2278         (sh_expand_prologue): Add cast to enum type.
2279         (sh_expand_epilogue): Likewise.
2280         (tls_symbolic_operand): Change return type to enum tls_model.
2281         (fpscr_set_from_mem): Add cast to enum type.
2282         (legitimize_pic_address): Compare tls_symbolic_operand result with
2283         enum constant.
2284         (sh_target_reg_class): Change return type to enum reg_class.
2285         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2286         PROCESSOR_xxx.
2287         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2288         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2289         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2290         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2291         (delayed_branch, tls_call_delay): Likewise.
2292         (eligible_for_sibcall_delay): Likewise.
2293         (eligible_for_return_delay): Likewise. 
2294         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2295         (spu_expand_builtin_1): Likewise.
2296
2297         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2298         for all types of conversions.
2299         (output_init_element): Issue -Wc++-compat warning if needed when
2300         initializing a bitfield with enum type.
2301         * c-parser.c (c_parser_expression): Set original_type to
2302         original_type of right hand operand of comman operator.
2303
2304 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2305
2306         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2307         grammar nits.
2308         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2309         * doc/cpp.texi (Standard Predefined Macros)
2310         (Implementation-defined behavior): Likewise.
2311         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2312         * doc/gimple.texi (GIMPLE Exception Handling)
2313         (@code{GIMPLE_ASSIGN}): Likewise.
2314         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2315         * doc/invoke.texi (Warning Options, Optimize Options)
2316         (AVR Options, Darwin Options): Likewise.
2317         (Optimize Options): Reformulate -fwhole-program description.
2318         * doc/loop.texi (Lambda): Likewise.
2319         * doc/md.texi (Output Template, Define Constraints)
2320         (Standard Names, Insn Splitting): Likewise.
2321         * doc/options.texi (Option properties): Likewise.
2322         * doc/passes.texi (Tree-SSA passes): Likewise.
2323         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2324         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2325         (File Names and DBX): Likewise.
2326         * doc/trouble.texi (Incompatibilities): Likewise.
2327
2328 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2329
2330         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2331         instruction is correct.
2332
2333 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2334
2335         Allow non-constant arguments to conversion intrinsics.
2336         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2337         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2338         * spu.c (print_operand): Handle 'v' and 'w'.
2339         (exp2_immediate_p, spu_gen_exp2): Define.
2340         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2341         spu_convtf_1): Update parameter descriptions.
2342         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2343         * constraints.md ('v', 'w'): New.
2344         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2345         Remove.
2346         (i2f, I2F): New define_mode_attr.
2347         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2348         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2349         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2350         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2351         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2352         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2353         patterns for combine.
2354
2355 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2356
2357         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2358         (cprop, hoist, pre, store_motion): New debug counters.
2359         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2360         is not an RTL pass anymore.
2361         (pass_profiling): Remove extern decl for pass removed in 2005.
2362         (pass_gcse, pass_jump_bypass): Remove.
2363         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2364         to 0 for clean state.
2365         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2366         * cse.c (gate_handle_cse_after_global_opts,
2367         rest_of_handle_cse_after_global_opts): New functions.
2368         (pass_cse_after_global_opts): New pass, does local CSE.
2369         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2370         (TV_CPROP): New timevar.
2371         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2372         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2373         (gcse_main, recompute_all_luids): Remove.
2374         (compute_hash_table_work): Call max_reg_num instead of reading
2375         max_gcse_regno.
2376         (cprop_jump): Don't set run_jump_opt_after_gcse.
2377         (constprop_register): Always allow to alter jumps.
2378         (cprop_insn): Likewise.
2379         (do_local_cprop): Likewise.
2380         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2381         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2382         (find_implicit_sets): Add note about missed optimization opportunity.
2383         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2384         pass_rtl_cprop execute function.
2385         Don't bother tracking the pass number, each pass gets its own dumpfile
2386         now anyway.
2387         Always allow to alter jumpsand bypass jumps.
2388         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2389         will just find no suitable set.
2390         (pre_edge_insert): Fix dumping, this function is for PRE only.
2391         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2392         pass_rtl_pre execute function.
2393         (hoist_code): Return non-zero if something changed.  Keep track of
2394         substitutions and insertions for statistics gathering similar to PRE.
2395         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2396         called from the pass_rtl_hoist execute function.  Show pass statistics.
2397         (compute_store_table): Use max_reg_num directly instead of using the
2398         formerly global max_gcse_regno.
2399         (build_store_vectors): Likewise.
2400         (replace_store_insn): Fix dumping.
2401         (store_motion): Rename to ...
2402         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2403         pass, called from the pass_rtl_store_motion execute function.  Keep
2404         track of substitutions and insertions for statistics gathering similar
2405         to PRE.
2406         (bypass_jumps): Remove, fold interesting bits into ...
2407         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2408         from the pass_rtl_cprop execute function.
2409         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2410         pass_jump_bypass): Remove.
2411         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2412         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2413         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2414         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2415         (gate_rtl_store_motion, execute_rtl_store_motion,
2416         pass_rtl_store_motion): New.
2417         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2418         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2419         * passes.c (init_optimization_passes): Remove pass_gcse and
2420         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2421         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2422         instead of pass_jump_bypass.
2423
2424 2009-04-27  Richard Guenther  <rguenther@suse.de>
2425
2426         PR middle-end/39928
2427         * gimplify.c (gimplify_expr): If we are required to create
2428         a temporary make sure it ends up as register.
2429
2430 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2431
2432         PR target/39903
2433         * config/i386/i386.c (construct_container): Don't call
2434         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2435         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2436
2437 2009-04-27  Michael Matz  <matz@suse.de>
2438
2439         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2440         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2441         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2442         (dump_replaceable_exprs): Take a bitmap.
2443         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2444         array.
2445         (expand_gimple_basic_block): Likewise.
2446         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2447         replaceable_expressions member a bitmap.
2448         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2449         (mark_replaceable): Likewise.
2450         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2451         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2452
2453 2009-04-27  Richard Guenther  <rguenther@suse.de>
2454
2455         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2456         (verify_stmts): Dispatch to gimple/type verification code.
2457         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2458         issue with call argument types.
2459
2460 2009-04-27  Michael Matz  <matz@suse.de>
2461
2462         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2463         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2464         to above.
2465
2466 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2467             Eric Botcazou  <ebotcazou@adacore.com>
2468
2469         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2470         a label's basic block.
2471         (mark_target_live_regs): Tidy and rework obsolete comments.
2472         Change back DF problem to LIVE.  If a label starts a basic block,
2473         assume that all registers that used to be live then still are.
2474         (init_resource_info): If a label starts a basic block, set its
2475         BLOCK_FOR_INSN accordingly.
2476         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2477
2478 2009-04-27  Richard Guenther  <rguenther@suse.de>
2479
2480         * tree-flow-inline.h (function_ann): Remove.
2481         (get_function_ann): Likewise.
2482         * tree-dfa.c (create_function_ann): Remove.
2483         * tree-flow.h (struct static_var_ann_d): Remove.
2484         (struct function_ann_d): Likewise.
2485         (union tree_ann_d): Remove fdecl member.
2486         (function_ann_t): Remove.
2487         (function_ann, get_function_ann, create_function_ann): Remove
2488         declarations.
2489
2490 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2491
2492         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2493
2494 2009-04-27  Jan Hubicka  <jh@suse.cz>
2495
2496         * ipa-pure-const.c (struct funct_state_d): New fields
2497         state_previously_known, looping_previously_known; remove
2498         state_set_in_source.
2499         (analyze_function): Use new fields.
2500         (propagate): Avoid assumption that state_set_in_source imply
2501         nonlooping.
2502
2503         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2504         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2505         * cfgloop.h (finite_loop_p): Declare.
2506
2507 2009-04-26  Michael Matz  <matz@suse.de>
2508
2509         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2510
2511 2009-04-26  Michael Matz  <matz@suse.de>
2512
2513         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2514         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2515         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2516         pass_mark_used_blocks): Remove.
2517         * tree-optimize.c (pass_free_datastructures,
2518         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2519         * passes.c (init_optimization_passes): Don't call
2520         pass_mark_used_blocks, remove dead code.
2521
2522 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2523
2524         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2525         * tree-ssa-live.h (register_ssa_partition): Likewise.
2526
2527 2009-04-26  Michael Matz  <matz@suse.de>
2528
2529         Expand from SSA.
2530         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2531         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2532         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2533         SSA names. 
2534         (compare_pairs): Swap cost comparison.
2535         (coalesce_ssa_name): Don't use change_partition_var.
2536         * tree-nrv.c (struct nrv_data): Add modified member.
2537         (finalize_nrv_r): Set it.
2538         (tree_nrv): Use it to update statements.
2539         (pass_nrv): Require PROP_ssa.
2540         * tree-mudflap.c (mf_decl_cache_locals,
2541         mf_build_check_statement_for): Use make_rename_temp.
2542         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2543         * alias.c (find_base_decl): Handle SSA names.
2544         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2545         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2546         * rtl.h (set_reg_attrs_for_parm): Declare.
2547         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2548         to "optimized", remove unused locals at finish.
2549         (execute_free_datastructures): Make global, call
2550         delete_tree_cfg_annotations.
2551         (execute_free_cfg_annotations): Don't call
2552         delete_tree_cfg_annotations.
2553
2554         * ssaexpand.h: New file.
2555         * expr.c (toplevel): Include ssaexpand.h.
2556         (expand_assignment): Handle SSA names the same as register variables.
2557         (expand_expr_real_1): Expand SSA names.
2558         * cfgexpand.c (toplevel): Include ssaexpand.h.
2559         (SA): New global variable.
2560         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2561         (SSAVAR): New macro.
2562         (set_rtl): New helper function.
2563         (add_stack_var): Deal with SSA names, use set_rtl.
2564         (expand_one_stack_var_at): Likewise.
2565         (expand_one_stack_var): Deal with SSA names.
2566         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2567         before unique numbers.
2568         (expand_stack_vars): Use set_rtl.
2569         (expand_one_var): Accept SSA names, add asserts for them, feed them
2570         to above subroutines.
2571         (expand_used_vars): Expand all partitions (without default defs),
2572         then only the local decls (ignoring those expanded already).
2573         (expand_gimple_cond): Remove edges when jumpif() expands an
2574         unconditional jump.
2575         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2576         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2577         SSA name.
2578         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2579         members of SA; deal with PARM_DECL partitions here; expand
2580         all PHI nodes, free tree datastructures and SA.  Commit instructions
2581         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2582         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2583         info and statements at start, collect garbage at finish.
2584         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2585         (VAR_ANN_PARTITION) Remove.
2586         (change_partition_var): Don't declare.
2587         (partition_to_var): Always return SSA names.
2588         (var_to_partition): Only accept SSA names.
2589         (register_ssa_partition): Only check argument.
2590         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2591         member.
2592         (delete_var_map): Don't free it.
2593         (var_union): Only accept SSA names, simplify.
2594         (partition_view_init): Mark only useful SSA names as used.
2595         (partition_view_fini): Only deal with SSA names.
2596         (change_partition_var): Remove.
2597         (dump_var_map): Use ssa_name instead of partition_to_var member.
2598         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2599         basic blocks.
2600         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2601         (struct _elim_graph): New member const_dests; nodes member vector of
2602         ints.
2603         (set_location_for_edge): New static helper.
2604         (create_temp): Remove.
2605         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2606         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2607         (new_elim_graph): Allocate const_dests member.
2608         (clean_elim_graph): Truncate const_dests member.
2609         (delete_elim_graph): Free const_dests member.
2610         (elim_graph_size): Adapt to new type of nodes member.
2611         (elim_graph_add_node): Likewise.
2612         (eliminate_name): Likewise.
2613         (eliminate_build): Don't take basic block argument, deal only with
2614         partition numbers, not variables.
2615         (get_temp_reg): New static helper.
2616         (elim_create): Use it, deal with RTL temporaries instead of trees.
2617         (eliminate_phi): Adjust all calls to new signature.
2618         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2619         (rewrite_trees): Only do checking.
2620         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2621         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2622         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2623         contains_tree_r, MAX_STMTS_IN_LATCH,
2624         process_single_block_loop_latch, analyze_edges_for_bb,
2625         perform_edge_inserts): Remove.
2626         (expand_phi_nodes): New global function.
2627         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2628         functions, initialize new parameter, remember partitions having a
2629         default def.
2630         (finish_out_of_ssa): New global function.
2631         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2632         don't reset in_ssa_p here, don't disable TER when mudflap.
2633         (pass_del_ssa): Remove.
2634         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2635         partition members.
2636         (execute_free_datastructures): Declare.
2637         * Makefile.in (SSAEXPAND_H): New variable.
2638         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2639         * basic-block.h (commit_one_edge_insertion): Declare.
2640         * passes.c (init_optimization_passes): Move pass_nrv and
2641         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2642         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2643         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2644         (redirect_branch_edge): Deal with super block when expanding, split
2645         out jump patching itself into ...
2646         (patch_jump_insn): ... here, new static helper.
2647
2648 2009-04-26  Michael Matz  <matz@suse.de>
2649
2650         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2651         beyond num_ssa_names.
2652         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2653         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2654
2655 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR inline-asm/39543
2658         * fwprop.c (forward_propagate_asm): New function.
2659         (forward_propagate_and_simplify): Propagate also into __asm, if it
2660         doesn't increase the number of referenced registers.
2661
2662         PR c/39889
2663         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2664
2665 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2666
2667         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2668         note_nonlocal_vla_type for nonlocal VLAs.
2669         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2670         contains_remapped_vars, remap_vla_decls): New functions.
2671         (convert_nonlocal_reference_stmt): If not optimizing, call
2672         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2673         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2674         if it wasn't found in var_map.
2675         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2676         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2677         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2678         declare_vars.
2679         * gimplify.c (nonlocal_vlas): New variable.
2680         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2681         referenced VLAs.
2682         (gimplify_body): Create and destroy nonlocal_vlas.
2683
2684         * dwarf2out.c (loc_descr_plus_const): New function.
2685         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2686         mem_loc_descriptor, loc_descriptor_from_tree_1,
2687         descr_info_loc, gen_variable_die): Use it.
2688
2689         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2690         !TREE_STATIC VAR_DECLs.
2691         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2692         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2693         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2694         DECL_BY_REFERENCE is valid.
2695         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2696         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2697         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2698         Copy DECL_BY_REFERENCE.
2699         (struct nesting_copy_body_data): New type.
2700         (nesting_copy_decl): New function.
2701         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2702         if they have variable length.
2703
2704 2009-04-26  Michael Matz  <matz@suse.de>
2705
2706         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2707         mark new temporaries for renaming.
2708
2709 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2710
2711         PR c/39581
2712         * c-decl.c (global_bindings_p): Return negative value.
2713         (c_variable_size): New.  Based on variable_size from
2714         stor-layout.c.
2715         (grokdeclarator): Call c_variable_size not variable_size.
2716
2717 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2718
2719         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2720
2721 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2722
2723         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2724         Redefine it to just use mingw/include.
2725         (ASM_SPEC): Rules for -m32 and -m64.
2726         (LINK_SPEC): Use Likewise.
2727         (SPEC_32): New define.
2728         (SPEC_64): Likewise.
2729         (SUB_LINK_SPEC): Likewise.
2730         (MULTILIB_DEFAULTS): New define.
2731         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2732         Add multilib options.
2733         (MULTILIB_DIRNAMES): Likewise.
2734         (MULTILIB_OSDIRNAMES): Likewise.
2735         (LIBGCC): Likewise.
2736         (INSTALL_LIBGCC): Likewise.
2737
2738 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2739
2740         PR c/39556
2741         * c-tree.h (enum c_inline_static_type): New.
2742         (record_inline_static): Declare.
2743         * c-decl.c (struct c_inline_static, c_inline_statics,
2744         record_inline_static, check_inline_statics): New.
2745         (pop_file_scope): Call check_inline_statics.
2746         (start_decl): Call record_inline_static instead of pedwarning
2747         directly for static in inline function.
2748         * c-typeck.c (build_external_ref): Call record_inline_static
2749         instead of pedwarning directly for static referenced in inline
2750         function.
2751
2752 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2753
2754         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2755         not new but only being rescanned.
2756         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2757         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2758         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2759         record_set_info, compute_set, grealloc): Remove.
2760         (recompute_all_luids): New function.
2761         (gcse_main): Don't compute sets, and don't do related memory
2762         allocations/free-ing.  If something changed before the end of the
2763         pass, update LUIDs using recompute_all_luids.
2764         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2765         (free_gcse_mem): Don't free it either.
2766         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2767         Use the df insn LUIDs.
2768         (load_killed_in_block): Likewise.
2769         (compute_hash_table_work): Don't compute reg_set_in_block.
2770         (compute_transp): Use DF_REG_DEF_CHAINs.
2771         (local_cprop_pass): Don't use compute_sets and related functions.
2772         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2773         Use get_max_uid() instead of max_cuid.
2774         (insert_insn_end_basic_block, pre_insert_copy_insn,
2775         update_ld_motion_stores): Don't try to
2776         keep reg_set tables up to date.
2777         (pre_insert_copies): Use df insn LUIDs.
2778         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2779         (reg_set_info): Don't use extra bitmap argument.
2780         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2781         information to compute regs_set_in_block.
2782         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2783         (bypass_jumps): Don't use compute_sets and friends.
2784
2785 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2786
2787         PR testsuite/39710
2788         * opts.c (undocumented_msg): Do not leave blank even with
2789         ENABLE_CHECKING.
2790
2791 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2792
2793         * c-decl.c (build_enumerator): Allow values folding to integer
2794         constants but not integer constant expressions with a pedwarn if
2795         pedantic.
2796
2797 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2798
2799         PR c/39582
2800         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2801         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2802         type is an integer constant.
2803
2804 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2805
2806         PR target/39897
2807         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2808         HImode operands.
2809
2810 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2811
2812         PR c/39564
2813         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2814         with variably modified return type and no storage class
2815         specifiers, except for the case of nested functions.  Distinguish
2816         extern declarations of functions with variably modified return
2817         types from those of objects with variably modified types.
2818
2819 2009-04-25  Jan Hubicka  <jh@suse.cz>
2820
2821         * tree.c (list_equal_p): New function.
2822         * tree.h (list_equal_p): Declare.
2823         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2824         basic_block_def, basic_block, const_basic_block): New.
2825         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2826         (redirect_eh_edge): New function.
2827         (make_eh_edge_update_phi): EH edges are not abnormal.
2828         * except.c: Include tree-flow.h.
2829         (list_match): New function.
2830         (eh_region_replaceable_by_p): New function.
2831         (replace_region): New function.
2832         (hash_type_list): New function.
2833         (hash_eh_region): New function.
2834         (eh_regions_equal_p): New function.
2835         (merge_peers): New function.
2836         (remove_unreachable_regions): Verify EH tree when checking;
2837         merge peers.
2838         (copy_eh_region_1): New function.
2839         (copy_eh_region): New function.
2840         (push_reachable_handler): New function.
2841         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2842         regions without label but with live RESX.
2843         * except.h (redirect_eh_edge_to_label): New.
2844         * tree-flow.h (redirect_eh_edge): New.
2845         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2846         basic_block_def, basic_block, const_basic_block): Remove.
2847         * Makefile.in (except.o): Add dependency on tree-flow.h
2848         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2849         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2850         Remove.
2851
2852 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2853
2854         PR bootstrap/39645
2855         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2856         on the destination of memcpy.
2857
2858 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2859
2860         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2861         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2862         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2863
2864 2009-04-25  Jan Hubicka  <jh@suse.cz>
2865
2866         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2867         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2868         to be reached by different label than left.
2869         (update_eh_edges): Update comment; remove edge_to_remove if possible
2870         and return true if suceeded.
2871         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2872         (cleanup_eh): Compute sharing map.
2873         * except.c (remove_eh_handler_and_replace): Add argument if we should
2874         update regions.
2875         (remove_unreachable_regions): Update for label sharing.
2876         (label_to_region_map): Likewise.
2877         (get_next_region_sharing_label): New function.
2878         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2879         prev_try pointers.
2880         (remove_eh_handler): Update.
2881         (remove_eh_region_and_replace_by_outer_of): New function.
2882         * except.h (struct eh_region): Add next_region_sharing_label.
2883         (remove_eh_region_and_replace_by_outer_of,
2884         get_next_region_sharing_label): Declare.
2885         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2886
2887 2009-04-25  Jan Hubicka  <jh@suse.cz>
2888
2889         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2890         insert code even if they are not critical.
2891
2892 2009-04-25  Jan Hubicka  <jh@suse.cz>
2893
2894         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2895         (gimple_can_remove_branch_p): EH edges won't remove branch by
2896         redirection.
2897         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2898         updating of non-abnormal EH edges.
2899         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2900         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2901         (split_critical_edges): Split also edges where emitting code on them
2902         will lead to splitting later.
2903
2904 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2905             H.J. Lu  <hongjiu.lu@intel.com>
2906
2907         PR target/39590
2908         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2909         the configured assembler supports fildq and fistpq mnemonics.
2910         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2911         * configure: Regenerated.
2912         * config.in: Ditto.
2913
2914         * config/i386/i386.c (print_operand): Handle 'Z'.
2915         ['z']: Remove handling of special fild/fist suffixes.
2916         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2917         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2918         suffix of fild insn.
2919         (*floatsi<mode>2_vector_mixed): Ditto.
2920         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2921         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2922         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2923         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2924         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2925
2926 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2927  
2928         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2929         the source of a set operation.
2930
2931 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2932
2933         * target.h (struct gcc_target): Add case_values_threshold field.
2934         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2935         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2936         * targhooks.c (default_case_values_threshold): New function.
2937         * targhooks.h (default_case_values_threshold): Declare function.
2938         * stmt.c (expand_case): Use case_values_threshold target hook.
2939         * expr.h (case_values_threshold): Remove declartation.
2940         * expr.c (case_values_threshold): Remove function.
2941         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2942
2943         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2944         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2945         (avr_case_values_threshold): Declare as static.
2946         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2947
2948         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2949         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2950         (mn10300_case_values_threshold): New function.
2951
2952 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2953
2954         * ira.c (setup_cover_and_important_classes): Add enum cast.
2955
2956 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2957
2958         * genpreds.c (write_enum_constraint_num): Output definition of
2959         CONSTRAINT_NUM_DEFINED_P macro.
2960         * ira.c (setup_cover_and_important_classes): Use
2961         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2962         
2963 2009-04-24  DJ Delorie  <dj@redhat.com>
2964
2965         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2966         __SH2A_SINGLE_ONLY__ also.
2967
2968 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2969
2970         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2971         (movdf_internal): Ditto.
2972         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2973         SFmode and DFmode constants.
2974         (ia64_print_operand): Add 'G' format for printing
2975         floating point constants.
2976
2977 2009-04-24  Richard Guenther  <rguenther@suse.de>
2978
2979         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2980         from unsigned additions.
2981
2982 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2983
2984         * c-typeck.c (set_init_index): Allow array designators that are
2985         not integer constant expressions with a pedwarn if pedantic.
2986
2987 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2988
2989         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
2990         zero if no overlap in nonzero bits between the operands.
2991
2992 2009-04-24  Ian Lance Taylor  <iant@google.com>
2993
2994         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
2995         (record_dead_and_set_regs): Likewise.
2996         * df.h (struct df_mw_hardreg): Change flags field to int.
2997         (struct df_base_ref): Likewise.
2998         (struct df): Change changeable_flags field to int.
2999         * df-scan.c (df_defs_record): Change clobber_flags to int.
3000         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3001         constants rather than #define macros.
3002         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3003         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3004         (enum dwarf_calling_convention): Likewise.
3005         (enum dwarf_line_number_x_ops): Likewise.
3006         (enum dwarf_call_frame_info): Likewise.
3007         (enum dwarf_source_language): Likewise.
3008         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3009         (add_calling_convention_attribute): Likewise.
3010         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3011         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3012         * genrecog.c (maybe_both_true_2): Change c to int.
3013         (write_switch): Likewise.  Add cast to enum type.
3014         * gimplify.c (gimplify_omp_for): Handle return values from
3015         gimplify_expr using MIN rather than bitwise or.
3016         (gimplify_expr): Add cast to enum type.
3017         * ipa-prop.c (update_jump_functions_after_inlining): Change
3018         IPA_BOTTOM to IPA_JF_UNKNOWN.
3019         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3020         Add casts to enum type.
3021         (setup_cover_and_important_classes): Change cl to int.  Add casts
3022         to enum type.
3023         (setup_class_translate): Change cl and mode to int.
3024         (ira_init_once): Change mode to int.
3025         (free_register_move_costs): Likewise.
3026         (setup_prohibited_mode_move_regs): Add casts to enum type.
3027         * langhooks.c (add_builtin_function_common): Rework assertion that
3028         value fits bitfield.
3029         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3030         * omega.c (omega_do_elimination): Avoid math on enum types.
3031         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3032         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3033         int local to handle integral_argment value.
3034         * regmove.c (try_auto_increment): Change PUT_MODE to
3035         PUT_REG_NOTE_KIND.
3036         * reload.c (push_secondary_reload): Add casts to enum type.
3037         (secondary_reload_class, find_valid_class): Likewise.
3038         * reload1.c (emit_input_reload_insns): Likewise.
3039         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3040         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3041         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3042         constant.
3043         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3044         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3045         enum type.
3046         (expand_complex_libcall): Add casts to enum type.
3047         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3048         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3049         with ERROR_MARK, not NUM_TREE_CODES.
3050         (vect_create_epilog_for_reduction): Likewise.
3051         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3052         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3053         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3054         enum machine_mode.
3055         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3056         vect_unused_in_loop.  Change 0 to loop_vect.
3057         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3058         * var-tracking.c (get_init_value): Change return type to enum
3059         var_init_status.
3060         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3061         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3062         arm_fp_model.
3063         (arm_override_options): Add casts to enum type.
3064         (arm_emit_tls_decoration): Likewise.
3065         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3066         to enum type.
3067         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3068         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3069         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3070         enum type.
3071         * config/s390/s390.c (code_for_builtin_64): Change to array of
3072         enum insn_code.
3073         (code_for_builtin_31): Likewise.
3074         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3075         const *.
3076         * config/sparc/sparc.c (sparc_override_options): Change value
3077         field in struct code_model to enum cmodel.  In initializer change
3078         0 to NULL and add cast to enum type.
3079
3080         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3081         Change all callers.  Issue a -Wc++-compat warning using
3082         lhs_origtype if necessary.
3083         (convert_for_assignment): Issue -Wc++-compat warnings about
3084         invalid conversions to enum type on assignment.
3085         * c-common.h (build_modify_expr): Update declaration.
3086
3087 2009-04-24  Nick Clifton  <nickc@redhat.com>
3088
3089         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3090         (function_arg_advance): Likewise.
3091         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3092         5th alternative.
3093
3094 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3095
3096         * config/s390/constraints.md ('I', 'J'): Fix condition.
3097
3098 2009-04-24  Diego Novillo  <dnovillo@google.com>
3099
3100         * gengtype-parse.c (parse_error): Add newline after message.
3101
3102 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3103
3104         * config/i386/sse.md (avxmodesuffixs): Removed.
3105         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3106         (*avx_pinsr<ssevecsize>): This.
3107
3108 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3109
3110         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3111         follow chains of regs with a single definition, and allow expressions
3112         that are function_invariant_p.
3113         (simple_rhs_p): Allow expressions that are function_invariant_p.
3114
3115 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3116
3117         PR middle-end/39867
3118         * fold-const.c (fold_cond_expr_with_comparison): When folding
3119         > and >= to MAX, make sure the MAX uses the same type as the
3120         comparison's operands.
3121
3122 2009-04-24  Nick Clifton  <nickc@redhat.com>
3123
3124         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3125         addressing for DImode accesses.
3126         (frv_print_operand_address): Handle PLUS case.
3127         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3128
3129 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3130
3131         PR rtl-optimization/39794
3132         * alias.c (canon_true_dependence): Add x_addr argument.
3133         * rtl.h (canon_true_dependence): Adjust prototype.
3134         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3135         * cselib.c (cselib_invalidate_mem): Likewise.
3136         * gcse.c (compute_transp): Likewise.
3137         * dse.c (scan_reads_nospill): Likewise.
3138         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3139         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3140         canon_base_addr of the group, plus optional offset.
3141         (struct group_info): Rename canon_base_mem to
3142         canon_base_addr.
3143         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3144         canon_rtx of base_mem.
3145
3146 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3147
3148         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3149         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3150
3151 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3152
3153         * config/spu/spu-builtins.h: Delete file.
3154
3155         * config/spu/spu.h (enum spu_builtin_type): Move here from
3156         spu-builtins.h.
3157         (struct spu_builtin_description): Likewise.  Add GTY marker.
3158         Do not use enum spu_function_code or enum insn_code.
3159         (spu_builtins): Add extern declaration.
3160
3161         * config/spu/spu.c: Do not include "spu-builtins.h".
3162         (enum spu_function_code, enum spu_builtin_type_index,
3163         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3164         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3165         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3166         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3167         (spu_builtin_types): Make static.  Add GTY marker.
3168         (spu_builtins): Add extern declaration with GTY marker.
3169         Include "gt-spu.h".
3170
3171         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3172         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3173         Check programmatically whether all parameters are scalar.
3174
3175         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3176
3177 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3178
3179         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3180         assignment from the constructor either if the target is volatile.
3181
3182 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3183
3184         * config/arm/arm.md (insv): Do not share operands[0].
3185
3186 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3187
3188         * config/vxlib-tls.c (active_tls_threads): Delete.
3189         (delete_hook_installed): New.
3190         (tls_delete_hook): Don't delete the delete hook.
3191         (tls_destructor): Delete it here.
3192         (__gthread_set_specific): Adjust installing the delete hook.
3193         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3194         __gthread_leave_tsd_dtor_context.
3195
3196 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3197
3198         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3199
3200 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3201
3202         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3203         enum type.
3204         (alpha_rtx_costs): Ditto.
3205         (emit_unlikely_jump): Use add_reg_note.
3206         (emit_frame_store_1): Ditto.
3207         (alpha_expand_prologue): Ditto.
3208         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3209         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3210
3211 2009-04-23  Nick Clifton  <nickc@redhat.com>
3212
3213         * config/v850/v850.md (epilogue): Remove suppressed code.
3214         (return): Rename to return_simple and remove test of frame size.
3215         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3216         to gen_return_simple.
3217
3218 2009-04-22  Jing Yu  <jingyu@google.com>
3219
3220         PR testsuite/39781
3221         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3222
3223 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3224
3225         PR C/31499
3226         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3227         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3228         value is a VECTOR_CST, the element type is the element type of the
3229         vector.
3230
3231 2009-04-22  DJ Delorie  <dj@redhat.com>
3232
3233         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3234
3235 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3236
3237         * alias.c (find_base_term): Move around LO_SUM case, so that
3238         CONST falls through into PLUS/MINUS handling.
3239
3240         PR c/39855
3241         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3242         into 0, use omit_one_operand.
3243
3244 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3245
3246         * config/rs6000/linux-unwind.h (get_regs): Remove type
3247         puns. Change the type of `pc' to an array of unsigned ints and
3248         update all users.  Constify frame24.
3249
3250 2009-04-22  DJ Delorie  <dj@redhat.com>
3251
3252         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3253         declarations before code.
3254         (current_function_special_page_vector): Likewise.
3255         (m32c_expand_insv): Silence a warning.
3256
3257 2009-04-21  Taras Glek  <tglek@mozilla.com>
3258
3259         * alias.c: Update GTY annotations to new syntax.
3260         * basic-block.h: Likewise.
3261         * bitmap.h: Likewise.
3262         * c-common.h: Likewise.
3263         * c-decl.c: Likewise.
3264         * c-parser.c: Likewise.
3265         * c-pragma.c: Likewise.
3266         * c-tree.h: Likewise.
3267         * cfgloop.h: Likewise.
3268         * cgraph.h: Likewise.
3269         * config/alpha/alpha.c: Likewise.
3270         * config/arm/arm.h: Likewise.
3271         * config/avr/avr.h: Likewise.
3272         * config/bfin/bfin.c: Likewise.
3273         * config/cris/cris.c: Likewise.
3274         * config/darwin.c: Likewise.
3275         * config/frv/frv.c: Likewise.
3276         * config/i386/i386.c: Likewise.
3277         * config/i386/i386.h: Likewise.
3278         * config/i386/winnt.c: Likewise.
3279         * config/ia64/ia64.h: Likewise.
3280         * config/iq2000/iq2000.c: Likewise.
3281         * config/mips/mips.c: Likewise.
3282         * config/mmix/mmix.h: Likewise.
3283         * config/pa/pa.c: Likewise.
3284         * config/pa/pa.h: Likewise.
3285         * config/rs6000/rs6000.c: Likewise.
3286         * config/s390/s390.c: Likewise.
3287         * config/sparc/sparc.c: Likewise.
3288         * config/xtensa/xtensa.c: Likewise.
3289         * cselib.h: Likewise.
3290         * dbxout.c: Likewise.
3291         * dwarf2out.c: Likewise.
3292         * except.c: Likewise.
3293         * except.h: Likewise.
3294         * fixed-value.h: Likewise.
3295         * function.c: Likewise.
3296         * function.h: Likewise.
3297         * gimple.h: Likewise.
3298         * integrate.c: Likewise.
3299         * optabs.c: Likewise.
3300         * output.h: Likewise.
3301         * real.h: Likewise.
3302         * rtl.h: Likewise.
3303         * stringpool.c: Likewise.
3304         * tree-data-ref.c: Likewise.
3305         * tree-flow.h: Likewise.
3306         * tree-scalar-evolution.c: Likewise.
3307         * tree-ssa-address.c: Likewise.
3308         * tree-ssa-alias.h: Likewise.
3309         * tree-ssa-operands.h: Likewise.
3310         * tree.c: Likewise.
3311         * tree.h: Likewise.
3312         * varasm.c: Likewise.
3313         * varray.h: Likewise.
3314         * vec.h: Likewise.
3315         * coretypes.h: Do not define GTY macro if it is already defined.
3316         * doc/gty.texi: Update GTY documentation to new syntax.
3317         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3318         annotations on structs.
3319         * gengtype-parse.c: Likewise.
3320
3321 2009-04-22  Mark Heffernan  <meheff@google.com>
3322
3323         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3324
3325 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3326
3327         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3328         where appropriate.
3329
3330 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3331
3332         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3333         the same as a PLUS without a shift.  Increase the cost of a
3334         CONST_INT in MULT.
3335
3336 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3337
3338         * Makefile.in: Update dependencies.
3339         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3340         * errors.h: Remove bogus comment about compatibility.
3341         (warning): Update declaration.
3342         * genautomata.c: Update all calls to warning.
3343         * gimple.c: Do not include errors.h. Include toplev.h.
3344         * tree-ssa-structalias.c: Do not include errors.h.
3345         * omega.c: Likewise.
3346         * tree-ssa-reassoc.c: Likewise.
3347         * config/spu/spu-c.c: Likewise.
3348         * config/spu/t-spu-elf: Update dependencies.
3349
3350 2009-04-22  Richard Guenther  <rguenther@suse.de>
3351
3352         PR tree-optimization/39824
3353         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3354         make sure the types are compatible.
3355
3356 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3357
3358         PR c++/14875
3359         * c-common.c (c_parse_error): Take a token_flags parameter.
3360         Use token_type for the token type instead.
3361         Pass token_flags to cpp_type2name.
3362         * c-common.h (c_parse_error): Update declaration.
3363         * c-parser.c (c_parser_error): Pass 0 as token flags.
3364
3365 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3366
3367         PR rtl-optimization/39580
3368         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3369         
3370 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3371
3372         * function.c (expand_function_end): Do not emit a jump to the "naked"
3373         return label for fall-through returns.
3374         * except.c (sjlj_emit_function_exit): Always place the call to the
3375         unregister function at the location installed by expand_function_end.
3376
3377 2009-04-22  Richard Guenther  <rguenther@suse.de>
3378
3379         PR tree-optimization/39845
3380         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3381         (gen_inbound_check): Likewise.
3382
3383 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3384
3385         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3386         padding for PPC.
3387         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3388         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3389
3390 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3391
3392         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3393         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3394         shift counts to avoid out-of-bounds array accesses.
3395
3396 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3397
3398         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3399         (Pmode): Move above.
3400
3401 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3402
3403         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3404         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3405         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3406         * config/alpha/alpha.h: Ditto.
3407         * config/alpha/alpha.md: Ditto.
3408         * config/alpha/constraints.md: Ditto.
3409         * config/alpha/predicates.md: Ditto.
3410         
3411 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3412
3413         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3414         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3415         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3416         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3417         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3418         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3419         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3420         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3421         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3422         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3423         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3424         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3425         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3426         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3427         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3428         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3429         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3430         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3431         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3432         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3433         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3434         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3435         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3436         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3437         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3438         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3439         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3440
3441 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3442
3443         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3444         references from comments.
3445         * cfgbuild.c: (count_basic_blocks): Delete.
3446         (find_basic_blocks_1): Delete.
3447         (find_basic_blocks): Delete.
3448         * except.c (finish_eh_generation): Make static.  Move comment from
3449         except.h here.  Remove find_basic_blocks references from comments.
3450         * except.h (finish_eh_generation): Delete.
3451         * basic-block.h (find_basic_blocks): Delete.
3452         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3453
3454 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3455
3456         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3457         (sdbout_parms):  Likewise.
3458
3459 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3460
3461         * config/sh/sh.c (prepare_cbranch_operands): Use
3462         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3463         (expand_cbranchdi4): Likewise.
3464         (from_compare): Add cast to enum type.
3465         (expand_cbranchsi4): Use add_reg_note.
3466         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3467         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3468         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3469         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3470         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3471         instead of CODE_FOR_nothing.
3472         (cbranchdi4): Likewise.  Fix the order of arguments for
3473         gen_rtx_fmt_ee.
3474         (push_fpscr): Use add_reg_note.
3475         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3476         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3477         
3478 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3479
3480         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3481         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3482         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3483         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3484         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3485         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3486         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3487         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3488         config/alpha/x-vms, config/arc/t-arc,
3489         config/arm/README-interworking, config/arm/arm-c.c,
3490         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3491         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3492         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3493         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3494         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3495         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3496         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3497         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3498         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3499         config/cris/t-elfmulti, config/crx/t-crx,
3500         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3501         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3502         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3503         config/h8300/t-h8300, config/i386/athlon.md,
3504         config/i386/darwin-libgcc.10.4.ver,
3505         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3506         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3507         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3508         config/i386/t-linux64, config/i386/t-nwld,
3509         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3510         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3511         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3512         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3513         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3514         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3515         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3516         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3517         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3518         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3519         config/m68k/t-uclinux, config/mcore/t-mcore,
3520         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3521         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3522         config/mips/crtn.asm, config/mips/irix-crti.asm,
3523         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3524         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3525         config/mips/mips-fixed.md, config/mips/sb1.md,
3526         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3527         config/mips/t-iris6, config/mips/t-isa3264,
3528         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3529         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3530         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3531         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3532         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3533         config/mn10300/t-linux, config/mn10300/t-mn10300,
3534         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3535         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3536         config/picochip/libgccExtras/clzsi2.asm,
3537         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3538         config/rs6000/darwin-libgcc.10.4.ver,
3539         config/rs6000/darwin-libgcc.10.5.ver,
3540         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3541         config/rs6000/t-aix43, config/rs6000/t-aix52,
3542         config/rs6000/t-darwin, config/rs6000/t-fprules,
3543         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3544         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3545         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3546         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3547         config/rs6000/t-rtems, config/rs6000/t-spe,
3548         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3549         config/score/t-score-elf, config/sh/divcost-analysis,
3550         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3551         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3552         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3553         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3554         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3555         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3556         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3557         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3558         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3559         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3560         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3561         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3562         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3563         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3564         * config/h8300/genmova.sh: Include copyright and license notices
3565         in generated output.
3566         * config/h8300/mova.md: Regenerate.
3567         * doc/install.texi2html: Include word "Copyright" in copyright
3568         notice and use name "Free Software Foundation, Inc.".
3569         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3570         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3571         ChangeLog-2007, ChangeLog-2008: Correct dates.
3572
3573 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3574
3575         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3576         NE_EXPR operations as well.
3577         * c-parser.c (c_parser_condition): Do not set location information on
3578         the condition.
3579         (c_parser_conditional_expression): Likewise.
3580         (c_parser_binary_expression): Set location information on operators.
3581         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3582         TRUTH_NOT_EXPR has been folded.
3583         * fold-const.c (fold_truth_not_expr): Copy location information from
3584         the incoming expression to the outgoing one.
3585         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3586         recursive calls on the LHS of the operator but pass that of the
3587         operator to recursive calls on the RHS of the operator.  Set it
3588         on the COND_EXPR.
3589         (shortcut_cond_expr): Set the locus of the operator on the second
3590         COND_EXPR and that of the expression on the first in degenerate cases.
3591         Pass the locus of the expression to calls to shortcut_cond_r.
3592         Set the locus of the 'then' block on the associated jump, if any.
3593         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3594         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3595         expression to call to gimplify_boolean_expr.
3596
3597 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3598
3599         * config.gcc: Add additional configuration for
3600         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3601         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3602         (CPP_SPEC): Redefine for allowing -municode option.
3603         (STARTFILE_SPEC): Likewise.
3604         * config/i386/t-mingw-w64: New.
3605         * config/i386/mingw-w64.opt: New.
3606         (municode): Add new target option.
3607         * doc/invoke.texi (municode): Add documentation for new option.
3608
3609 2009-04-21  Ian Lance Taylor  <iant@google.com>
3610
3611         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3612         Correct test for number of arguments.
3613         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3614
3615 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3616
3617         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3618         argument of emit_library_call.
3619
3620 2009-04-21  Richard Guenther  <rguenther@suse.de>
3621
3622         PR middle-end/39829
3623         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3624         inside VIEW_CONVERT_EXPRs.
3625
3626 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3627
3628         * tree-switch-conversion.c (build_constructors): Split a long line.
3629         (constructor_contains_same_values_p): New function.
3630         (build_one_array): Create assigns of constants if possible, do not
3631         call mark_sym_for_renaming, call update_stmt.
3632         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3633         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3634         update_stmt.
3635         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3636         find_new_referenced_vars, call update_stmt.
3637         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3638         instead of calling make_rename_temp.  Do not call
3639         find_new_referenced_vars or mark_symbols_for_renaming, call
3640         update_stmt.
3641
3642 2009-04-21  Richard Guenther  <rguenther@suse.de>
3643
3644         PR tree-optimization/39827
3645         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3646         (tree_ssa_phiprop): Pass the correct array size.
3647
3648 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3649
3650         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3651
3652 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3653
3654         PR 16202
3655         * c-typeck.c (lvalue_p): Move declaration ...
3656         * c-common.h (lvalue_p): ... to here.
3657         * c-common.c (candidate_equal_p): New.
3658         (add_tlist): Use it.
3659         (merge_tlist): Use it.
3660         (warn_for_collisions_1): Likewise.
3661         (warning_candidate_p): Accept more candidates.
3662         (verify_tree): A warning candidate can be an expression. Use
3663         candidate_equal_p.
3664
3665 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3666
3667         PR target/5267
3668         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3669         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3670         options.  Remove -mcall-solaris documentation.
3671
3672 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3673
3674         PR c++/13358
3675         * doc/invoke.texi (-Wlong-long): Update description.
3676         * c-lex (interpret_integer): Only warn if there was no previous
3677         overflow and -Wlong-long is enabled.
3678         * c-decl.c (declspecs_add_type): Drop redundant flags.
3679         * c.opt (Wlong-long): Init to -1.
3680         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3681         and front-end warn_long_long. Wlong-long only depends on other
3682         flags if it is uninitialized.
3683         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3684         the same for CPP and FE.
3685         (restore_extension_diagnostics): Likewise.
3686
3687 2009-04-20  Ian Lance Taylor  <iant@google.com>
3688
3689         Fix enum conversions which are invalid in C++:
3690         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3691         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3692         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3693         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3694         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3695         (dbxout_parms): Likewise.
3696         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3697         (df_clear_flags): Likewise.
3698         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3699         top_flag parameter to int.
3700         (df_chain_create_bb_process_use): Likewise.
3701         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3702         Remove cast.
3703         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3704         (df_ref_create_structure, df_def_record_1): Likewise.
3705         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3706         (df_notes_rescan): Change 0 to VOIDmode in function call.
3707         (df_get_call_refs, df_insn_refs_collect): Likewise.
3708         (df_bb_regs_collect): Likewise.
3709         (df_entry_block_defs_collect): Likewise.
3710         (df_exit_block_uses_collect): Likewise.
3711         * df.h: Update declarations.
3712         * double-int.c (double_int_divmod): Add cast to enum type.
3713         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3714         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3715         (based_loc_descr): Likewise.
3716         (loc_descriptor_from_tree_1): Change first_op and second_op to
3717         enum dwarf_location_atom.  Add cast to enum type.
3718         * expmed.c (init_expmed): Change 0 to SET in function call.
3719         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3720         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3721         (do_store_flag): Likewise.
3722         * fixed-value.h (struct fixed_value): Change mode to enum
3723         machine_mode.
3724         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3725         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3726         function call.
3727         (insert_insn_decl, insert_decl, insert_state): Likewise.
3728         (automata_list_finish): Likewise.
3729         * genrecog.c (process_define_predicate): Add cast to enum type.
3730         * gensupport.c (init_predicate_table): Add cast to enum type.
3731         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3732         function call.
3733         (gimple_build_call_1, gimple_build_label): Likewise.
3734         (gimple_build_goto, gimple_build_asm_1): Likewise.
3735         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3736         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3737         (enum fallback): Rename from enum fallback_t.
3738         (fallback_t): Typedef as int.
3739         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3740         GSI_SAME_STMT in function call.
3741         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3742         enum type.
3743         (setup_reg_class_relations): Likewise.
3744         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3745         (setup_prohibited_class_mode_regs): Add cast to enum type.
3746         (setup_prohibited_mode_move_regs): Likewise.
3747         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3748         (record_address_regs): Change i to enum reg_class.
3749         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3750         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3751         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3752         (GET_MODE_2XWIDER_MODE): Likewise.
3753         (GET_CLASS_NARROWEST_MODE): Likewise.
3754         * omp-low.c (expand_omp_for): Add cast to enum type.
3755         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3756         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3757         * postreload.c (reload_cse_simplify_operands): Change rclass local
3758         to enum reg_class.
3759         * predict.c (combine_predictions_for_insn): Change best_predictor
3760         and predictor to enum br_predictor.
3761         (combine_predictions_for_bb): Likewise.
3762         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3763         use SET_PREDICT_EXPR_OUTCOME.
3764         * real.c (real_arithmetic): Change icode to code in function call.
3765         * reginfo.c (init_move_cost): Add casts to enum type.
3766         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3767         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3768         enum reg_class.
3769         * reload.c (find_valid_class): Add casts to enum type.
3770         (push_reload): Change 0 to NO_REGS in function call.
3771         (find_reloads): Change this_alternative to array of enum
3772         reg_class.  Remove some now-unnecessary casts.
3773         (make_memloc): Change 0 to VOIDmode in function call.
3774         * reload1.c (reload): Change 0 to VOIDmode in function call.
3775         (eliminate_regs_1, elimination_effects): Likewise.
3776         (eliminate_regs_in_insn): Likewise.
3777         (emit_input_reload_insns): Add cast to enum type.
3778         (delete_output_reload): Change 0 to VOIDmode in function call.
3779         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3780         to enum type in function call.
3781         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3782         (SET_PREDICT_EXPR_OUTCOME): Define.
3783         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3784         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3785         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3786         (dump_function): Likewise.
3787         * tree-dump.h: Update declarations.
3788         * tree-pass.h: Update declarations.
3789         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3790         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3791         enum type.
3792         (arm_rtx_costs_1): Correct parenthesization.
3793         (arm_rtx_costs): Add casts to enum type.
3794         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3795         (vfp_emit_fstmd): Use add_rg_note.
3796         (emit_multi_reg_push, emit_sfm): Likewise.
3797         (thumb_set_frame_pointer): Likewise.
3798         (arm_expand_prologue): Likewise.
3799         (arm_regno_class): Change return type to enum reg_class.
3800         (thumb1_expand_prologue): Use add_reg_note.
3801         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3802         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3803         in function call.
3804         * config/arm/gentune.sh: Add cast to enum type.
3805         * config/arm/arm-tune.md: Rebuild.
3806         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3807         (ix86_split_fp_branch, predict_jump): Likewise.
3808         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3809         insn_code to enum rtx_code.
3810         (ix86_builtin_vectorized_function): Add cast to enum type.
3811         * config/i386/i386.md (truncdfsf2): Change slot to enum
3812         ix86_stack_slot.
3813         (truncxf<mode>2, isinf<mode>2): Likewise.
3814         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3815         enum type.
3816         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3817         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3818         (insert_bundle_state): Change 1 to INSERT in function call.
3819         (ia64_add_bundle_selector_before): Likewise.
3820         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3821         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3822         (restore_stack_nonlocal): Likewise.
3823         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3824         function call.
3825         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3826         function call.
3827         (mips_rtx_costs): Likewise.
3828         (mips_override_options): Add casts to enum type.
3829         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3830         in function call.
3831         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3832         (store_reg, set_reg_plus_d): Likewise.
3833         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3834         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3835         cast to enum type.
3836         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3837         function call.
3838         (emit_unlikely_jump): Use add_reg_note.
3839         (rs6000_emit_allocate_stack): Likewise.
3840         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3841         (output_toc): Change 1 to INSERT in function call.
3842         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3843         (rs6000_initialize_trampoline): Likewise.
3844         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3845         function call.
3846         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3847         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3848         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3849         (save_gprs): Use add_reg_note.
3850         (s390_emit_prologue): Likewise.
3851         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3852         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3853         (sparc_fold_builtin): Add cast to enum type.
3854         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3855         enum insn_code.
3856         (spu_expand_prologue): Use add_reg_note.
3857         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3858
3859 2009-04-20  Ian Lance Taylor  <iant@google.com>
3860
3861         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3862         (c_parser_postfix_expression_after_primary): Get VEC for list of
3863         arguments.  Get original types of arguments.  Call
3864         build_function_call_vec.
3865         (cached_expr_list_1, cached_expr_list_2): New static variables.
3866         (c_parser_expr_list): Change return type to VEC *.  Add
3867         p_orig_types parameter.  Change all callers.
3868         (c_parser_release_expr): New static function.
3869         (c_parser_vec_to_tree_list): New static function.
3870         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3871         call build_function_call_vec.
3872         (build_function_call_vec): New function, based on old
3873         build_function_call.
3874         (convert_arguments): Remove nargs and argarray parameters.  Change
3875         values to a VEC.  Add origtypes parameter.
3876         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3877         (convert_for_assignment): Add origtype parameter.  Change all
3878         callers.  If warn_cxx_compat, check for conversion to an enum
3879         type when calling a function.
3880         (store_init_value): Add origtype parameter.  Change all callers.
3881         (digest_init): Likewise.
3882         (struct init_node): Add origtype field.
3883         (add_pending_init): Add origtype parameter.  Change all callers.
3884         (output_init_element): Likewise.
3885         (output_pending_init_elements): Pass origtype from init_node to
3886         output_init_element.
3887         (process_init_element): Pass origtype from c_expr to
3888         output_init_element.
3889         (c_finish_return): Add origtype parameter.  Change all callers.
3890         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3891         caller.
3892         (sync_resolve_params): Likewise.
3893         (sync_resolve_return): Change params to first_param.  Change caller.
3894         (resolve_overloaded_builtins): Change params to VEC *.  Change
3895         callers.  Save first parameter around call to build_function_call_vec.
3896         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3897         callers.  Call build_function_call_vec rather than
3898         build_function_call for cleanup.
3899         * c-tree.h: Update declarations.
3900         * c-common.h: Update declarations.
3901         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3902         params to first_param.
3903         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3904         params parameter from tree to void *.
3905         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3906         Change arglist parameter to have type void *, and to be a pointer
3907         to a VEC.
3908         * config/rs6000/rs6000-protos.h
3909         (altivec_resolve_overloaded_builtin): Update declaration.
3910         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3911         fnargs parameter to have type void *, and to be a pointer to a
3912         VEC.  Call build_function_call_vec instead of
3913         build_function_call.
3914         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3915
3916 2009-04-20  Joey Ye  <joey.ye@intel.com>
3917             Xuepeng Guo  <xuepeng.guo@intel.com>
3918             H.J. Lu  <hongjiu.lu@intel.com>
3919
3920         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3921
3922         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3923         (IX86_LEA_PRIORITY): Likewise.
3924         (distance_non_agu_define): New function.
3925         (distance_agu_use): Likewise.
3926         (ix86_lea_for_add_ok): Likewise.
3927         (ix86_dep_by_shift_count): Likewise.
3928
3929         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3930         should split for LEA.
3931
3932         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3933         function.
3934         (ix86_dep_by_shift_count): Likewise.
3935
3936 2009-04-20  Richard Guenther  <rguenther@suse.de>
3937
3938         * expr.c (handled_component_p): Move ...
3939         * tree.h (handled_component_p): ... here.
3940         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3941         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3942         and REALPART_EXPR to be in one group.
3943
3944 2009-04-20  Richard Guenther  <rguenther@suse.de>
3945
3946         * basic-block.h (get_all_dominated_blocks): Declare.
3947         * dominance.c (get_all_dominated_blocks): New function.
3948         * tree-cfg.c (get_all_dominated_blocks): Remove.
3949         (remove_edge_and_dominated_blocks): Adjust.
3950         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3951         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3952         instead of recursing.
3953
3954 2009-04-20  Doug Kwan  <dougkwan@google.com>
3955
3956         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3957         (struct cgraph_node_set_def): New type.
3958         (cgraph_node_set) New type. Also declare vector functions.
3959         (struct cgraph_node_set_element_def): New type.
3960         (cgraph_node_set_element): Ditto.
3961         (cgraph_node_set_iterator): New iterator type.
3962         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3963         cgraph_node_set_remove, dump_cgraph_node_set,
3964         debug_cgraph_node_set): New prototypes.
3965         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3966         cgraph_node_set_size): New inlines.
3967         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3968         including cgraph.h.
3969         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3970         argument to function 'write_summary'.
3971         * ipa.c: Include ggc.h.
3972         (hash_cgraph_node_set_element,
3973         eq_cgraph_node_set_element, cgraph_node_set_new,
3974         cgraph_node_set_add, cgraph_node_set_remove,
3975         cgraph_node_set_find, dump_cgraph_node_set,
3976         debug_cgraph_node_set): New functions.
3977         * Makefile.in (ipa.o): Add dependency on GGC_H.
3978
3979 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3980
3981         PR tree-optimization/39675
3982         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3983         check of the return code of vect_schedule_slp. Check that
3984         stmt_vec_info still exists for the statement, before checking its
3985         vectorization type.
3986
3987 2009-04-20  Michael Matz  <matz@suse.de>
3988
3989         * Makefile.in (generated_files): Take out $(simple_generated_c).
3990
3991 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
3992
3993         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
3994         (UINTPTR_TYPE):  Likewise.
3995
3996 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
3997
3998         PR c/37481
3999         * c-typeck.c (digest_init): Check for initializing an array with a
4000         string literal.
4001
4002 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4003
4004         PR c/19771
4005         * c-semantics.c (pop_stmt_list): Propagate
4006         STATEMENT_LIST_HAS_LABEL to parent statement list.
4007
4008 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4009
4010         * config/mips/mips.h (mips_tune_attr): New macro.
4011         * config/mips/mips.md (cpu): Use it.
4012
4013 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4014
4015         PR c/38243
4016         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4017         declaring a tag.
4018
4019 2009-04-19  Diego Novillo  <dnovillo@google.com>
4020
4021         * toplev.c (compile_file): Move call to coverage_finish ...
4022         * cgraphunit.c (ipa_passes): ... here.
4023         Call cgraph_process_new_functions.
4024         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4025         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4026
4027 2009-04-19  Jan Hubicka  <jh@suse.cz>
4028
4029         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4030         cfun.
4031         (dump_cgraph_node): Dump can throw external flag.
4032         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4033
4034 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4035
4036         PR c/32061
4037         PR c++/36954
4038         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4039         * common.opt (Wlogical-op): Move from here...
4040         * c.opt (Wlogical-op): ... to here.
4041         * c-typeck.c (parser_build_binary_op): Update call to
4042         warn_logical_operator.
4043         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4044         extra_warnings.
4045         * c-common.c (warn_logical_op): Update.
4046         * c-common.h (warn_logical_op): Update declaration.
4047
4048 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4049
4050         * tree.c (protected_set_expr_location): Fix formatting.
4051
4052 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4053
4054         PR c/27676
4055         * c-typeck.c (readonly_warning): new.
4056         (build_unary_op, build_modify_expr): Use readonly_warning for
4057         storing into something readonly but not const-qualified.
4058
4059 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4060
4061         PR c/22367
4062         * c-typeck.c (build_unary_op): Check for taking address of
4063         expression of type void.
4064
4065 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4066
4067         PR c/35210
4068         * c-typeck.c (build_function_call): Check for calling a function
4069         with qualified void return types.  Call require_complete_type when
4070         generating a trap.
4071
4072 2009-04-18  Jan Hubicka  <jh@suse.cz>
4073
4074         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4075         Set nothrow flag.
4076         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4077         can_throw_external flag.
4078         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4079         * ipa-pure-const.c (ignore_edge): New function.
4080         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4081         only over can_throw_external edges.
4082         (local_pure_const): Add nothrow flag.
4083         * ipa-utils.c (searchc): Add ignore_edge callback.
4084         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4085         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4086         (set_nothrow_function_flags): Update cgraph.
4087         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4088
4089 2009-04-18  Richard Guenther  <rguenther@suse.de>
4090
4091         PR middle-end/39804
4092         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4093         (fold_stmt): ... this and ...
4094         (fold_stmt_inplace): ... this.
4095         (fold_stmt_1): Fold references in calls and asms.
4096         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4097
4098 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4099
4100         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4101         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4102
4103 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4104
4105         * tree.c (function_args_count): Remove.
4106         * tree.h: Remove the prototype for function_args_count.
4107
4108 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4109
4110         * tree-iterator.c (expr_only): Remove.
4111         * tree.h: Remove the prototype for expr_only.
4112
4113 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4114
4115         * reginfo.c (cannot_change_mode_set_regs): Remove.
4116         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4117
4118 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4119
4120         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4121         whether operands 0 and 1 overlaps.
4122
4123 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4124
4125         PR middle-end/36902
4126         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4127         pointer. Use warning_at instead of warning.
4128         (search_for_addr_array): Likewise.
4129         (check_array_bounds): Likewise.
4130         (check_all_array_refs): Check that the incoming edge is not in the
4131         list of edges to be removed.
4132         (check_all_array_refs): Avoid the temporal pointer.
4133         (vrp_visit_cond_stmt): Fix typo.
4134         (simplify_switch_using_ranges): Handle the case where the switch
4135         index is an integer constant.
4136
4137 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4138
4139         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4140
4141 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4142
4143         * doc/extend.texi, doc/invoke.texi: Fix typos.
4144
4145 2009-04-17  Cary Coutant  <ccoutant@google.com>
4146
4147         * tree-flow-inline.h (get_lineno): Fix inverted test.
4148
4149 2009-04-17  Diego Novillo  <dnovillo@google.com>
4150
4151         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4152         assertion for AVAIL_OUT.
4153
4154 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4155
4156         PR target/38627
4157         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4158         * config/sh/linux-atomic.asm: Likewise.
4159
4160 2009-04-17  Diego Novillo  <dnovillo@google.com>
4161
4162         * except.c (debug_eh_tree): New.
4163         (struct eh_region, struct eh_status): Move ...
4164         * except.h: ... here.
4165         (add_type_for_runtime): Declare extern.
4166         (lookup_type_for_runtime): Likewise.
4167         (debug_eh_tree): Declare.
4168         * Makefile.in (GTFILES): List except.h before except.c
4169
4170 2009-04-17  Diego Novillo  <dnovillo@google.com>
4171
4172         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4173         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4174         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4175         (find_vars_r): ... here.
4176         * tree-flow.h (find_referenced_vars_in): Declare.
4177         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4178         that AVAIL_OUT exists for BLOCK.
4179         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4180         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4181         (tree-parloops.o): Likewise.
4182
4183 2009-04-17  Simon Baldwin  <simonb@google.com>
4184
4185         * toplev.c (default_tree_printer): Add handling for %E format.
4186
4187 2009-04-17  Diego Novillo  <dnovillo@google.com>
4188
4189         * tree-pretty-print.c (dump_generic_node): Add break after
4190         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4191         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4192         FUNCTION_TYPE together.  Call print_struct_decl when printing
4193         structures and TDF_SLIM is not given.
4194         (print_struct_decl): Fix logic for detecting recursion.
4195
4196 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4197
4198         PR 31567
4199         * gcc.c (create_at_file): New.
4200         (compile_input_file_p): New.
4201         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4202         * main.c (main): Update call to toplev_main.
4203         * toplev.c (toplev_main): Change signature. Call expandargv.
4204         * toplev.h (toplev_main): Change signature.
4205
4206 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4207
4208         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4209         if the latter is not constant.
4210
4211 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4212
4213         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4214
4215 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4216
4217         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4218         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4219
4220 2009-04-17  Richard Guenther  <rguenther@suse.de>
4221
4222         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4223         Handle component references view-converting an invariant address.
4224
4225 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4226
4227         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4228         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4229         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4230         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4231         Use @deftypevr rather than @deftypevar.
4232
4233 2009-04-17  Richard Guenther  <rguenther@suse.de>
4234
4235         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4236         (get_prop_source_stmt): Likewise.
4237         (can_propagate_from): Likewise.
4238
4239 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4240
4241         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4242         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4243         (--with-multilib-list): Add default value.
4244         * configure: Regenerate.
4245         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4246         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4247         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4248         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4249         Don't add default cpu to multilib list unnecessarily, but do enable
4250         the relevant compiler option..
4251         Add support for --with-multilib-list=<blank> and
4252         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4253         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4254         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4255         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4256         TM_MULTILIB_CONFIG.
4257         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4258         (MULTILIB_OSDIRNAMES): New variable.
4259         * config/sh/t-1e: Delete file.
4260         * config/sh/t-mlib-sh1: Delete file.
4261         * config/sh/t-mlib-sh2: Delete file.
4262         * config/sh/t-mlib-sh2a: Delete file.
4263         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4264         * config/sh/t-mlib-sh2a-single: Delete file.
4265         * config/sh/t-mlib-sh2a-single-only: Delete file.
4266         * config/sh/t-mlib-sh2e: Delete file.
4267         * config/sh/t-mlib-sh3e: Delete file.
4268         * config/sh/t-mlib-sh4: Delete file.
4269         * config/sh/t-mlib-sh4-nofpu: Delete file.
4270         * config/sh/t-mlib-sh4-single: Delete file.
4271         * config/sh/t-mlib-sh4-single-only: Delete file.
4272         * config/sh/t-mlib-sh4a: Delete file.
4273         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4274         * config/sh/t-mlib-sh4a-single: Delete file.
4275         * config/sh/t-mlib-sh4a-single-only: Delete file.
4276         * config/sh/t-mlib-sh4al: Delete file.
4277         * config/sh/t-mlib-sh5-32media: Delete file.
4278         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4279         * config/sh/t-mlib-sh5-64media: Delete file.
4280         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4281         * config/sh/t-mlib-sh5-compact: Delete file.
4282         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4283         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4284         * doc/install.texi (Options specification): Add
4285         --with-multilib-list and --with-endian.
4286
4287 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4288
4289         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4290         REVISION_c.
4291         (OBJS-common): Add plugin-version.o.
4292         (plugin-version.o): New.
4293         * gcc-plugin.h (plugin_gcc_version): New.
4294         (plugin_default_version_check): New.
4295         (plugin_init_func, plugin_init): Add version argument.
4296         * plugin-version.c: New.
4297         * plugin.c (str_plugin_gcc_version_name): New.
4298         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4299         pass it to the init function.
4300         (plugin_default_version_check): New.
4301
4302 2009-04-17  Richard Guenther  <rguenther@suse.de>
4303
4304         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4305         for decl-vs-decl disambiguation.
4306
4307 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4308
4309         * config/s390/s390.h (s390_tune_attr): New macro definition.
4310         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4311
4312 2009-04-17  Richard Guenther  <rguenther@suse.de>
4313
4314         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4315         (fold_stmt_r): Likewise.
4316         (maybe_fold_reference): New function.
4317         (fold_gimple_assign): Handle cases fold_stmt_r did.
4318         (fold_stmt): Do not use fold_stmt_r.
4319         (fold_stmt_inplace): Likewise.
4320
4321 2009-04-17  Richard Guenther  <rguenther@suse.de>
4322
4323         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4324         (record_equivalences_from_stmt): Remove useless checks and
4325         simplifications.
4326         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4327         the type is already suitable.
4328
4329 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4330
4331         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4332
4333 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4334
4335         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4336         (CMPtype): Define as __gcc_CMPtype.
4337
4338 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4339
4340         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4341         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4342
4343 2009-04-17  Richard Guenther  <rguenther@suse.de>
4344
4345         PR tree-optimization/39746
4346         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4347         special-casing for builtins and static variable use/def.
4348         (call_may_clobber_ref_p_1): Likewise.
4349
4350 2009-04-16  Ian Lance Taylor  <iant@google.com>
4351
4352         * df.h: Include "timevar.h".
4353         (struct df_problem): Change tv_id field to timevar_id_t.
4354         * tree-pass.h: Include "timevar.h".
4355         (struct opt_pass): Change tv_id field to timevar_id_t.
4356         * timevar.h (timevar_id_t): Define TV_NONE.
4357         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4358         TV_NONE rather than tv_id != 0.
4359         (execute_one_pass): Likewise.
4360         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4361         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4362         dependencies to $(TREE_PASS_H).
4363         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4364         to TV_NONE.
4365         (pass_branch_target_load_optimize2): Likewise.
4366         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4367         (pass_outof_cfg_layout_mode): Likewise.
4368         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4369         (pass_rebuild_cgraph_edges): Likewise.
4370         (pass_remove_cgraph_callee_edges): Likewise.
4371         * df-core.c (pass_df_initialize_opt): Likewise.
4372         (pass_df_initialize_no_opt): Likewise.
4373         (pass_df_finish): Likewise.
4374         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4375         * except.c (pass_set_nothrow_function_flags): Likewise.
4376         (pass_convert_to_eh_region_ranges): Likewise.
4377         * final.c (pass_compute_alignments): Likewise.
4378         * function.c (pass_instantiate_virtual_regs): Likewise.
4379         (pass_init_function): Likewise.
4380         (pass_leaf_regs): Likewise.
4381         (pass_match_asm_constraints): Likewise.
4382         * gimple-low.c (pass_lower_cf): Likewise.
4383         (pass_mark_used_blocks): Likewise.
4384         * init-regs.c (pass_initialize_regs): Likewise.
4385         * integrate.c (pass_initial_value_sets): Likewise.
4386         * ira.c (pass_ira): Likewise.
4387         * jump.c (pass_cleanup_barriers): Likewise.
4388         * omp-low.c (pass_expand_omp): Likewise.
4389         (pass_lower_omp): Likewise.
4390         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4391         * recog.c (pass_split_all_insns): Likewise.
4392         (pass_split_after_reload): Likewise.
4393         (pass_split_before_regstack): Likewise.
4394         (pass_split_before_sched2): Likewise.
4395         (pass_split_for_shorten_branches): Likewise.
4396         * reginfo.c (pass_reginfo_init): Likewise.
4397         (pass_subregs_of_mode_init): Likewise.
4398         (pass_subregs_of_mode_finish): Likewise.
4399         * passes.c (pass_postreload): Likewise.
4400         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4401         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4402         (pass_warn_function_return): Likewise.
4403         (pass_warn_function_noreturn): Likewise.
4404         * tree-complex.c (pass_lower_complex): Likewise.
4405         (pass_lower_complex_O0): Likewise.
4406         * tree-if-conv.c (pass_if_conversion): Likewise.
4407         * tree-into-ssa.c (pass_build_ssa): Likewise.
4408         * tree-mudflap.c (pass_mudflap_1): Likewise.
4409         (pass_mudflap_2): Likewise.
4410         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4411         (pass_mudflap_2): Likewise.
4412         * tree-nrv.c (pass_return_slot): Likewise.
4413         * tree-object-size.c (pass_object_sizes): Likewise.
4414         * tree-optimize.c (pass_all_optimizations): Likewise.
4415         (pass_early_local_passes): Likewise.
4416         (pass_all_early_optimizations): Likewise.
4417         (pass_cleanup_cfg): Likewise.
4418         (pass_cleanup_cfg_post_optimizing): Likewise.
4419         (pass_free_datastructures): Likewise.
4420         (pass_free_cfg_annotations): Likewise.
4421         (pass_fixup_cfg): Likewise.
4422         (pass_init_datastructures): Likewise.
4423         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4424         (pass_late_warn_uninitialized): Likewise.
4425         (pass_update_address_taken): Likewise.
4426         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4427         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4428         (pass_cse_sincos): Likewise.
4429         (pass_convert_to_rsqrt): Likewise.
4430         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4431         * tree-stdarg.c (pass_stdarg): Likewise.
4432         * tree-tailcall.c (pass_tail_recursion): Likewise.
4433         (pass_tail_calls): Likewise.
4434         * tree-vect-generic.c (pass_lower_vector): Likewise.
4435         (pass_lower_vector_ssa): Likewise.
4436         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4437
4438 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4439
4440         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4441         XLR entry.
4442         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4443         Handle -march=xlr.
4444         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4445         logical and signext.
4446
4447 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4448
4449         PR target/39767
4450         * config/sh/predicates.md (arith_operand): Check if the operand
4451         of TRUNCATE is a REG.
4452
4453 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4454
4455         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4456         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4457
4458 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4459
4460         * tree-iterator.c (tsi_split_statement_list_after,
4461         tsi_split_statement_list_before): Remove.
4462         * tree-iterator.h: Remove the prototypes for
4463         tsi_split_statement_list_after and tsi_split_statement_list_before.
4464
4465 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4466
4467         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4468         * tree-ssa-propagate.h: Remove the prototype for
4469         stmt_makes_single_load.
4470
4471 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4472
4473         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4474         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4475
4476 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4477
4478         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4479
4480 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4481
4482         * except.c (eh_region_outer_p): Remove.
4483         * except.h: Remove the prototype for eh_region_outer_p.
4484
4485 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4486
4487         * function.c (current_function_assembler_name): Remove.
4488         * function.h: Remove the prototype for
4489         current_function_assembler_name.
4490
4491 2009-04-16  Ian Lance Taylor  <iant@google.com>
4492
4493         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4494         (add_reg_note): Call alloc_reg_note.
4495         * rtl.h (alloc_reg_note): Declare.
4496         * combine.c (try_combine): Use alloc_reg_note.
4497         (recog_for_combine, move_deaths): Likewise.
4498         (distribute_notes): Use alloc_reg_note and add_reg_note.
4499         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4500         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4501         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4502
4503 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4504
4505         PR rtl-optimization/39762
4506         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4507         ira_may_move_out_cost): Add comments about way of their usage.
4508         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4509
4510         * ira-conflicts.c (process_regs_for_copy): Use function
4511         ira_get_register_move_cost instead of global
4512         ira_register_move_cost.
4513
4514         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4515         color_pass, move_spill_restore, update_curr_costs): Ditto.
4516
4517         * ira-lives.c (process_single_reg_class_operands): Ditto.
4518
4519         * ira-emit.c (emit_move_list): Ditto.
4520
4521         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4522         (record_reg_classes): Ditto.  Use functions
4523         ira_get_register_move_cost and ira_get_may_move_cost instead of
4524         global vars ira_register_move_cost, ira_may_move_out_cost and
4525         ira_may_move_in_cost.
4526         (record_address_regs): Don't call ira_init_register_move_cost.
4527         Use function ira_get_may_move_cost instead of global
4528         ira_may_move_in_cost.
4529         (process_bb_node_for_hard_reg_moves): Use function
4530         ira_get_register_move_cost instead of global ira_register_move_cost.
4531         (ira_costs): Don't call ira_init_register_move_cost.
4532
4533 2009-04-16  Richard Guenther  <rguenther@suse.de>
4534
4535         * tree-cfg.c (verify_gimple_assign_binary):
4536         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4537         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4538         (create_general_new_stmt): Note that this function is broken.
4539
4540 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4541
4542         * common.opt (fhelp): Add Var(help_flag).
4543         * gcc-plugin.h (plugin_info): Add help.
4544         * plugin.c (plugin_name_args): Add help.
4545         (register_plugin_info): Set plugin->help.
4546         (print_help_one_plugin): New.
4547         (print_plugins_help): New.
4548         * plugin.h (print_plugins_help): New.
4549         * toplev.c (toplev_main): Call print_plugins_help if needed.
4550
4551 2009-04-16  Richard Guenther  <rguenther@suse.de>
4552
4553         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4554         (gimple_ior_addresses_taken_1): New function.
4555         (gimple_ior_addresses_taken): Likewise.
4556         * gimple.h (struct gimple_statement_with_ops_base): Remove
4557         addresses_taken member.
4558         (gimple_ior_addresses_taken): Declare.
4559         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4560         gimple_set_addresses_taken): Remove.
4561         * ipa-reference.c (mark_address): New function.
4562         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4563         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4564         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4565         (gimple_add_to_addresses_taken): Remove.
4566         (get_tmr_operands): Call mark_address_taken.
4567         (get_asm_expr_operands): Likewise.
4568         (get_expr_operands): Likewise.
4569         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4570         (free_stmt_operands): Do not free it.
4571         * tree-ssa.c (delete_tree_ssa): Likewise.
4572         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4573
4574 2009-04-16  Richard Guenther  <rguenther@suse.de>
4575
4576         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4577         (walk_stmt_load_store_ops): Likewise.
4578         * gimple.c (get_base_loadstore): New function.
4579         (walk_stmt_load_store_addr_ops): Likewise.
4580         (walk_stmt_load_store_ops): Likewise.
4581         * ipa-pure-const.c (check_op): Simplify.
4582         (check_load, check_store): New functions.
4583         (check_stmt): Use walk_stmt_load_store_ops.
4584         * ipa-reference.c (mark_load): Adjust signature.
4585         (mark_store): Likewise.
4586         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4587
4588 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4589
4590         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4591         (plugin_info): New.
4592         * opts.c (common_handle_option): Don't call print_version.
4593         * plugin.c (plugin_name_args): Add version.
4594         (register_plugin_info): New.
4595         (register_callback): Handle PLUGIN_INFO.
4596         (try_init_one_plugin): New.
4597         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4598         if failed to init.
4599         (finalize_one_plugin): New.
4600         (finalize_plugins): New.
4601         (print_one_plugin): New.
4602         (print_plugins_versions): New.
4603         * plugin.h (print_plugins_versions): New.
4604         (finalize_plugins): New.
4605         * toplev.c (compile_file): Don't call initialize_plugins.
4606         (print_version): Call print_plugins_versions.
4607         (toplev_main): Call initialize_plugins. Print version if needed.
4608         Call finalize_plugins.
4609
4610 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4611
4612         * common.opt (fversion): New.
4613         * gcc.c (print_version): New.
4614         (process_command): Don't print the version. Just set print_version.
4615         (main): Print version. Call subprocesses if print_version and
4616         verbose_flag are set.
4617         * opts.c (common_handle_option): Handle OPT_fversion.
4618
4619 2009-04-16  Richard Guenther  <rguenther@suse.de>
4620             Ira Rosen  <irar@il.ibm.com>
4621
4622         PR tree-optimization/39698
4623         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4624         type of the reduction variable.  Only generate the def if
4625         it is needed.
4626
4627         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4628         make sure to first convert to an integer of the same precision.
4629         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4630         the type of the evolution correctly in computing the new
4631         induction variable base.
4632
4633 2009-04-16  Richard Guenther  <rguenther@suse.de>
4634
4635         PR middle-end/39625
4636         * tree-cfg.c (make_blocks): Split statements with to-be
4637         abnormal SSA names on the lhs.
4638
4639 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4640
4641         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4642         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4643         * c-typeck.c (really_start_incremental_init): Likewise.
4644         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4645         (TARGET_INITIALIZER): Remove it.
4646         * target.h (struct target): Remove vector_opaque_p.
4647         * tree.c (build_opaque_vector_type): New.
4648         * tree.h (TYPE_VECTOR_OPAQUE): New.
4649         (build_opaque_vector_type): Declare.
4650         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4651         * config/rs6000/rs6000.c (build_opaque_vector_type,
4652         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4653         (rs6000_init_builtins): Use build_opaque_vector_type for
4654         opaque_V4SI_type_node.
4655
4656 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4657
4658         * debug.h (set_name):  Declare.
4659         * dwarf2out.c (dwarf2out_set_name): Declare.
4660         (dwarf2_debug_hooks): Add set_name.
4661         (find_AT_string): New.
4662         (add_AT_string): Call find_AT_string.
4663         (dwarf2out_set_name): New.
4664         * cp/decl.c (grokdeclarator): Call set_name.
4665         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4666         * debug.c (do_nothing_debug_hooks):  Likewise.
4667         * dbxout.c (dbx_debug_hooks): Likewise.
4668         * sdbout.c (sdb_debug_hooks): Likewise.
4669
4670 2009-04-15  Michael Eager  <eager@eagercon.com>
4671
4672         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4673         reg for single-precision FPU.
4674         * config/rs6000/rs6000.md (movsi_internal1): Only for
4675         !TARGET_SINGLE_FPU.
4676         (movsi_internal1_single): New. Add pattern to move SI values to/from
4677         single-precision FP regs.
4678
4679 2009-04-15  Richard Guenther  <rguenther@suse.de>
4680
4681         * omp-low.c (lower_rec_input_clauses): Build correct address
4682         expressions.
4683         (expand_omp_for_generic): Fix multiplication type.
4684         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4685         (generate_memset_zero): Fix types.
4686         * tree-profile.c (prepare_instrumented_value): Correctly
4687         widen a pointer.
4688
4689 2009-04-15  Ian Lance Taylor  <iant@google.com>
4690
4691         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4692         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4693         for -Wall and for -Wc++-compat.
4694         (c_common_post_options): For C++, set warn_enum_compare if not
4695         already set.
4696         * c-tree.h (struct c_expr): Add field original_type.
4697         (build_external_ref): Update declaration.
4698         * c-parser.c (c_parser_braced_init): Set original_type.
4699         (c_parser_initelt): Likewise.
4700         (c_parser_expr_no_commas): Likewise.
4701         (c_parser_conditional_expression): Likewise.
4702         (c_parser_cast_expression): Likewise.
4703         (c_parser_unary_expression): Likewise.  Pull setting of
4704         original_code to top of function.
4705         (c_parser_sizeof_expression): Set original_type.
4706         (c_parser_alignof_expression): Likewise.
4707         (c_parser_postfix_expression): Likewise.  Pull setting of
4708         original_code to top of function.
4709         (c_parser_postfix_expression_after_paren_type): Set original_type.
4710         (c_parser_postfix_expression_after_primary): Likewise.
4711         (c_parser_expression): Likewise.
4712         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4713         callers.
4714         (c_expr_sizeof_expr): Set original_type field.
4715         (parser_build_unary_op): Likewise.
4716         (parser_build_binary_op): Likewise.  Optionally warn about
4717         comparisons of enums of different types.
4718         (digest_init): Set original_type field.
4719         (really_start_incremental_init): Likewise.
4720         (push_init_level, pop_init_level): Likewise.
4721         * doc/invoke.texi (Warning Options): -Wenum-compare now
4722         supported in C.
4723
4724 2009-04-15  Richard Guenther  <rguenther@suse.de>
4725
4726         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4727         out a necessary conversion.
4728         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4729         names we didn't value number.
4730         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4731
4732 2009-04-15  Richard Guenther  <rguenther@suse.de>
4733
4734         PR tree-optimization/39764
4735         * tree-ssa-ccp.c (get_value): Canonicalize value with
4736         canonicalize_float_value.
4737
4738 2009-04-15  Jan Hubicka  <jh@suse.cz>
4739
4740         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4741         Wrong version of patch.
4742
4743 2009-04-15  Jan Hubicka  <jh@suse.cz>
4744
4745         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4746
4747 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4748
4749         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4750         our distinct integral and vector types.
4751
4752 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4753
4754         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4755         * init.c (build_vtbl_address): Remove call to assemble_external.
4756
4757 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4758
4759         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4760         output for other floating point modes.
4761
4762 2009-04-14  Diego Novillo  <dnovillo@google.com>
4763
4764         * diagnostic.c (diagnostic_report_diagnostic): Do not
4765         warn about loaded plugins for DK_ERROR and DK_WARNING.
4766         * c-decl.c (declspecs_add_type): Move call to
4767         invoke_plugin_callbacks ...
4768         * c-parser.c (c_parser_declspecs): ... here.
4769         * plugin.c (dump_active_plugins): Tidy output.
4770
4771 2009-04-14  Diego Novillo  <dnovillo@google.com>
4772             Le-Chun Wu  <lcwu@google.com>
4773
4774         * configure.ac: Add --enable-plugin support.
4775         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4776         * Makefile.in (PLUGIN_H): Define.
4777         Export ENABLE_PLUGIN and GMPINC to site.exp.
4778         Add PLUGINLIBS to link command.
4779         Add/modify dependencies for plugin.o and files including plugin.h.
4780         (plugin.o): New.
4781         * config.in: Regenerate.
4782
4783         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4784         OPT_fplugin_arg_.
4785
4786 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4787
4788         * tree-pass.h (register_one_dump_file): Add a prototype for
4789         register_one_dump_file.
4790         * toplev.c (compile_file): Call initialize_plugins.
4791         (do_compile): Call invoke_plugin_callbacks.
4792         (toplev_main): Call invoke_plugin_callbacks.
4793         * common.opt: Add -fplugin= and -fplugin-arg-.
4794         * gcc-plugin.h: New public header file for plugins to include.
4795         * plugin.c: New source file.
4796         * plugin.h: New internal header file.
4797         * passes.c (register_one_dump_file): Make it external.
4798
4799         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4800
4801 2009-04-14  Diego Novillo  <dnovillo@google.com>
4802
4803         * doc/plugins.texi: New.
4804         * doc/gccint.texi: Add reference to Plugins chapter.
4805         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4806         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4807         loaded plugins, if any.
4808         * timevar.def (TV_PLUGIN_INIT): Define.
4809         (TV_PLUGIN_RUN): Define.
4810         * plugin.c: Include timevar.h
4811         (plugins_active_p): New.
4812         (dump_active_plugins): New.
4813         (debug_active_plugins): New.
4814
4815 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4816
4817         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4818         library paths.
4819         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4820
4821 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4822
4823         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4824         the same as a minus without a shift.
4825
4826 2009-04-14  Nick Clifton  <nickc@redhat.com>
4827
4828         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4829         comparisons with small integers will always produce a short
4830         branch.
4831
4832 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4833
4834         Merge:
4835         2008-12-19  Diego Novillo  <dnovillo@google.com>
4836
4837         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4838
4839 2009-04-14  Richard Guenther  <rguenther@suse.de>
4840
4841         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4842         verification.
4843         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4844         rotates correctly.
4845         (verify_gimple_phi): Print the mismatched argument position.
4846         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4847         Fix types.
4848         (vect_update_init_of_dr): Likewise.
4849         * matrix-reorg.c (transform_access_sites): Do what the
4850         comment suggests.
4851         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4852
4853 2009-04-13  Michael Eager  <eager@eagercon.com>
4854
4855         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4856         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4857         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4858         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4859         remove duplicate config
4860
4861 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4862
4863         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4864         file_name:line_number type locator of the call site.
4865
4866 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4867
4868         * genautomata.c: Put blank after comma.
4869         (automaton_decls): New.
4870         (struct unit_usage): Add comments to member next.
4871         (store_alt_unit_usage): Keep the list ordered.
4872         (unit_present_on_list_p, equal_alternatives_p): New.
4873         (check_regexp_units_distribution): Check units distribution
4874         correctness correctly.
4875         (main): Don't write automata if error is found.  Return correct
4876         exit code.
4877
4878         * config/m68k/cf.md (cfv4_ds): Remove.
4879         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4880         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4881
4882         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4883         power4-load-ext, power4-store, power4-store-update,
4884         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4885         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4886         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4887         power4-sqrt, power4-isync): Modify reservation to make correct
4888         unit distribution to automata.
4889
4890         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4891         power5-store-update, power5-two, power5-three, power5-lmul,
4892         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4893
4894 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4895
4896         * except.c (pass_set_nothrow_function_flags): Set name and add
4897         TODO_dump_func.
4898         (set_nothrow_function_flags): Mention in the dump file when
4899         changing a function to nothrow.
4900
4901 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4902
4903         PR/39066
4904         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4905         instead of unsigned long.
4906
4907 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4908
4909         * config/arm/arm.c (return_used_this_function): Remove.
4910         (arm_output_function_prologue): Remove use of
4911         return_used_this_function.
4912         (output_return_instruction): Replace use of
4913         return_used_this_function
4914         by cfun->machine->return_used_this_function.
4915         (arm_output_epilogue): Likewise.
4916         (arm_output_function_epilogue): Likewise.
4917         (thumb_unexpanded_epilogue): Likewise.
4918         * config/arm/arm.h (struct machine_function):
4919         New member return_used_this_function.
4920
4921 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4922
4923         * doc/install.texi: Correct description of default directory for
4924         --with-gxx-include-dir.
4925
4926 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4927
4928         * fold-const.c (build_range_check): Properly deal with enumeral and
4929         boolean base types.
4930
4931 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4932
4933         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4934         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4935         * params.h (MAX_GCSE_PASSES): Remove.
4936         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4937         in sequence.  Remove ability to run multiple passes.
4938         (bypass_jumps): Report run as third CPROP pass.
4939
4940 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4941
4942         PR middle-end/39651
4943         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4944         when deciding whether the whole SEQUENCE can throw.
4945
4946 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4947
4948         PR target/39740
4949         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4950         offseted label references.
4951
4952 2009-04-11  Jan Hubicka  <jh@suse.cz>
4953
4954         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4955
4956 2009-04-11  Richard Guenther  <rguenther@suse.de>
4957
4958         PR middle-end/39732
4959         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4960         return variables as TREE_ADDRESSABLE.
4961
4962 2009-04-11  Richard Guenther  <rguenther@suse.de>
4963
4964         PR tree-optimization/39713
4965         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4966         reference trees have SSA_NAME operands.
4967
4968 2009-04-11  Richard Guenther  <rguenther@suse.de>
4969
4970         PR c/39712
4971         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4972         address expressions.
4973
4974 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4975
4976         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4977         match changes in Cygwin 1.7
4978         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4979         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4980
4981 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4982
4983         PR tree-optimization/39701
4984         * doc/invoke.texi (Optimization Options): Document change in
4985         meaning and initialization of -fdelete-null-pointer-checks.
4986
4987 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
4988
4989         PR middle-end/39701
4990         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
4991
4992         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
4993         here.
4994
4995         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
4996
4997 2009-04-10  Chao-ying Fu  <fu@mips.com>
4998
4999         * doc/tm.texi (Instruction Output): Document
5000         TARGET_ASM_FINAL_POSTSCAN_INSN.
5001         * target.h (final_postscan_insn): New field in asm_out.
5002         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5003         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5004         * final.c (final_scan_insn): Call
5005         targetm.asm_out.final_postscan_insn after outputting
5006         an asm macro and a normal instruction.
5007
5008         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5009         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5010         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5011         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5012         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5013
5014 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5015
5016         PR middle-end/39701
5017         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5018         variables as non-NULL even with -fdelete-null-pointer-checks.
5019
5020 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5021
5022         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5023
5024 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5025
5026         PR target/39678
5027         * config/i386/i386.c (classify_argument): Handle SCmode with
5028         (bit_offset % 64) != 0.
5029
5030 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5031
5032         * doc/invoke.texi (Optimize Options): Add cross-reference to
5033         -Q --help=optimizers examples.
5034
5035 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5036
5037         PR target/36800
5038         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5039         regalign for the reg == fpr and TDmode case.
5040
5041 2009-04-09  David Ayers  <ayers@fsfe.org>
5042
5043         PR objc/29200
5044         * objc/objc-act.c (warn_with_method): Remove helper function.
5045         (check_duplicates): Call warning and inform directly.
5046         (really_start_method): Likewise.
5047
5048 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5049
5050         * expmed.c (expand_divmod): Always use a comparison for a division
5051         by a large unsigned integer.
5052
5053         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5054         for things others than variables or functions as nonzero.
5055
5056 2009-04-09  Nick Clifton  <nickc@redhat.com>
5057
5058         * unwind-compat.c: Change copyright header to refer to version
5059         3 of the GNU General Public License with version 3.1 of the
5060         GCC Runtime Library Exception and to point readers at the
5061         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5062         * config/alpha/crtfastmath.c: Likewise.
5063         * config/alpha/linux-unwind.h: Likewise.
5064         * config/alpha/qrnnd.asm: Likewise.
5065         * config/alpha/vms-crt0-64.c: Likewise.
5066         * config/alpha/vms-crt0.c: Likewise.
5067         * config/alpha/vms-dwarf2.asm: Likewise.
5068         * config/alpha/vms-dwarf2eh.asm: Likewise.
5069         * config/alpha/vms-psxcrt0-64.c: Likewise.
5070         * config/alpha/vms-psxcrt0.c: Likewise.
5071         * config/alpha/vms_tramp.asm: Likewise.
5072         * config/arc/initfini.c: Likewise.
5073         * config/arc/lib1funcs.asm: Likewise.
5074         * config/arm/bpabi-v6m.S: Likewise.
5075         * config/arm/bpabi.S: Likewise.
5076         * config/arm/bpabi.c: Likewise.
5077         * config/arm/crti.asm: Likewise.
5078         * config/arm/crtn.asm: Likewise.
5079         * config/arm/ieee754-df.S: Likewise.
5080         * config/arm/ieee754-sf.S: Likewise.
5081         * config/arm/lib1funcs.asm: Likewise.
5082         * config/arm/libunwind.S: Likewise.
5083         * config/arm/linux-atomic.c: Likewise.
5084         * config/arm/mmintrin.h: Likewise.
5085         * config/arm/pr-support.c: Likewise.
5086         * config/arm/unaligned-funcs.c: Likewise.
5087         * config/arm/unwind-arm.c: Likewise.
5088         * config/arm/unwind-arm.h: Likewise.
5089         * config/avr/libgcc.S: Likewise.
5090         * config/bfin/crti.s: Likewise.
5091         * config/bfin/crtlibid.s: Likewise.
5092         * config/bfin/crtn.s: Likewise.
5093         * config/bfin/lib1funcs.asm: Likewise.
5094         * config/bfin/linux-unwind.h: Likewise.
5095         * config/cris/arit.c: Likewise.
5096         * config/cris/cris_abi_symbol.c: Likewise.
5097         * config/darwin-64.c: Likewise.
5098         * config/darwin-crt2.c: Likewise.
5099         * config/darwin-crt3.c: Likewise.
5100         * config/darwin.h: Likewise.
5101         * config/dbxelf.h: Likewise.
5102         * config/dfp-bit.c: Likewise.
5103         * config/dfp-bit.h: Likewise.
5104         * config/elfos.h: Likewise.
5105         * config/fixed-bit.c: Likewise.
5106         * config/fixed-bit.h: Likewise.
5107         * config/fp-bit.c: Likewise.
5108         * config/fp-bit.h: Likewise.
5109         * config/fr30/crti.asm: Likewise.
5110         * config/fr30/crtn.asm: Likewise.
5111         * config/fr30/lib1funcs.asm: Likewise.
5112         * config/freebsd-spec.h: Likewise.
5113         * config/frv/cmovd.c: Likewise.
5114         * config/frv/cmovh.c: Likewise.
5115         * config/frv/cmovw.c: Likewise.
5116         * config/frv/frvbegin.c: Likewise.
5117         * config/frv/frvend.c: Likewise.
5118         * config/frv/lib1funcs.asm: Likewise.
5119         * config/glibc-stdint.h: Likewise.
5120         * config/h8300/clzhi2.c: Likewise.
5121         * config/h8300/crti.asm: Likewise.
5122         * config/h8300/crtn.asm: Likewise.
5123         * config/h8300/ctzhi2.c: Likewise.
5124         * config/h8300/fixunssfsi.c: Likewise.
5125         * config/h8300/lib1funcs.asm: Likewise.
5126         * config/h8300/parityhi2.c: Likewise.
5127         * config/h8300/popcounthi2.c: Likewise.
5128         * config/i386/ammintrin.h: Likewise.
5129         * config/i386/att.h: Likewise.
5130         * config/i386/avxintrin.h: Likewise.
5131         * config/i386/biarch64.h: Likewise.
5132         * config/i386/bmmintrin.h: Likewise.
5133         * config/i386/cpuid.h: Likewise.
5134         * config/i386/cross-stdarg.h: Likewise.
5135         * config/i386/crtfastmath.c: Likewise.
5136         * config/i386/crtprec.c: Likewise.
5137         * config/i386/cygming-crtbegin.c: Likewise.
5138         * config/i386/cygming-crtend.c: Likewise.
5139         * config/i386/cygwin.asm: Likewise.
5140         * config/i386/emmintrin.h: Likewise.
5141         * config/i386/gmm_malloc.h: Likewise.
5142         * config/i386/gthr-win32.c: Likewise.
5143         * config/i386/i386.h: Likewise.
5144         * config/i386/immintrin.h: Likewise.
5145         * config/i386/linux-unwind.h: Likewise.
5146         * config/i386/linux64.h: Likewise.
5147         * config/i386/mm3dnow.h: Likewise.
5148         * config/i386/mmintrin-common.h: Likewise.
5149         * config/i386/mmintrin.h: Likewise.
5150         * config/i386/nmmintrin.h: Likewise.
5151         * config/i386/pmm_malloc.h: Likewise.
5152         * config/i386/pmmintrin.h: Likewise.
5153         * config/i386/smmintrin.h: Likewise.
5154         * config/i386/sol2-c1.asm: Likewise.
5155         * config/i386/sol2-ci.asm: Likewise.
5156         * config/i386/sol2-cn.asm: Likewise.
5157         * config/i386/sol2-gc1.asm: Likewise.
5158         * config/i386/tmmintrin.h: Likewise.
5159         * config/i386/unix.h: Likewise.
5160         * config/i386/w32-unwind.h: Likewise.
5161         * config/i386/wmmintrin.h: Likewise.
5162         * config/i386/x86-64.h: Likewise.
5163         * config/i386/x86intrin.h: Likewise.
5164         * config/i386/xmmintrin.h: Likewise.
5165         * config/ia64/crtbegin.asm: Likewise.
5166         * config/ia64/crtend.asm: Likewise.
5167         * config/ia64/crtfastmath.c: Likewise.
5168         * config/ia64/crti.asm: Likewise.
5169         * config/ia64/crtn.asm: Likewise.
5170         * config/ia64/fde-glibc.c: Likewise.
5171         * config/ia64/lib1funcs.asm: Likewise.
5172         * config/ia64/linux-unwind.h: Likewise.
5173         * config/ia64/quadlib.c: Likewise.
5174         * config/ia64/unwind-ia64.c: Likewise.
5175         * config/linux.h: Likewise.
5176         * config/m32c/m32c-lib1.S: Likewise.
5177         * config/m32c/m32c-lib2-trapv.c: Likewise.
5178         * config/m32c/m32c-lib2.c: Likewise.
5179         * config/m32r/initfini.c: Likewise.
5180         * config/m68hc11/larith.asm: Likewise.
5181         * config/m68hc11/m68hc11-crt0.S: Likewise.
5182         * config/m68k/cf.md: Likewise.
5183         * config/m68k/crti.s: Likewise.
5184         * config/m68k/crtn.s: Likewise.
5185         * config/m68k/lb1sf68.asm: Likewise.
5186         * config/m68k/linux-unwind.h: Likewise.
5187         * config/mcore/crti.asm: Likewise.
5188         * config/mcore/crtn.asm: Likewise.
5189         * config/mcore/lib1.asm: Likewise.
5190         * config/mips/linux-unwind.h: Likewise.
5191         * config/mips/loongson.h: Likewise.
5192         * config/mips/mips16.S: Likewise.
5193         * config/mmix/crti.asm: Likewise.
5194         * config/mmix/crtn.asm: Likewise.
5195         * config/pa/fptr.c: Likewise.
5196         * config/pa/hpux-unwind.h: Likewise.
5197         * config/pa/lib2funcs.asm: Likewise.
5198         * config/pa/linux-atomic.c: Likewise.
5199         * config/pa/linux-unwind.h: Likewise.
5200         * config/pa/milli64.S: Likewise.
5201         * config/pa/quadlib.c: Likewise.
5202         * config/pa/stublib.c: Likewise.
5203         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5204         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5205         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5206         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5207         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5208         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5209         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5210         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5211         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5212         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5213         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5214         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5215         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5216         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5217         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5218         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5219         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5220         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5221         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5222         * config/rs6000/750cl.h: Likewise.
5223         * config/rs6000/altivec.h: Likewise.
5224         * config/rs6000/biarch64.h: Likewise.
5225         * config/rs6000/crtresfpr.asm: Likewise.
5226         * config/rs6000/crtresgpr.asm: Likewise.
5227         * config/rs6000/crtresxfpr.asm: Likewise.
5228         * config/rs6000/crtresxgpr.asm: Likewise.
5229         * config/rs6000/crtsavfpr.asm: Likewise.
5230         * config/rs6000/crtsavgpr.asm: Likewise.
5231         * config/rs6000/darwin-asm.h: Likewise.
5232         * config/rs6000/darwin-fallback.c: Likewise.
5233         * config/rs6000/darwin-fpsave.asm: Likewise.
5234         * config/rs6000/darwin-ldouble.c: Likewise.
5235         * config/rs6000/darwin-tramp.asm: Likewise.
5236         * config/rs6000/darwin-unwind.h: Likewise.
5237         * config/rs6000/darwin-vecsave.asm: Likewise.
5238         * config/rs6000/darwin-world.asm: Likewise.
5239         * config/rs6000/e500crtres32gpr.asm: Likewise.
5240         * config/rs6000/e500crtres64gpr.asm: Likewise.
5241         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5242         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5243         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5244         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5245         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5246         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5247         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5248         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5249         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5250         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5251         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5252         * config/rs6000/eabi-ci.asm: Likewise.
5253         * config/rs6000/eabi-cn.asm: Likewise.
5254         * config/rs6000/eabi.asm: Likewise.
5255         * config/rs6000/linux-unwind.h: Likewise.
5256         * config/rs6000/linux64.h: Likewise.
5257         * config/rs6000/paired.h: Likewise.
5258         * config/rs6000/paired.md: Likewise.
5259         * config/rs6000/ppc64-fp.c: Likewise.
5260         * config/rs6000/ppu_intrinsics.h: Likewise.
5261         * config/rs6000/rs6000.h: Likewise.
5262         * config/rs6000/si2vmx.h: Likewise.
5263         * config/rs6000/sol-ci.asm: Likewise.
5264         * config/rs6000/sol-cn.asm: Likewise.
5265         * config/rs6000/spe.h: Likewise.
5266         * config/rs6000/spu2vmx.h: Likewise.
5267         * config/rs6000/sysv4.h: Likewise.
5268         * config/rs6000/tramp.asm: Likewise.
5269         * config/rs6000/vec_types.h: Likewise.
5270         * config/s390/linux-unwind.h: Likewise.
5271         * config/s390/tpf-unwind.h: Likewise.
5272         * config/score/crti.asm: Likewise.
5273         * config/score/crtn.asm: Likewise.
5274         * config/sh/crt1.asm: Likewise.
5275         * config/sh/crti.asm: Likewise.
5276         * config/sh/crtn.asm: Likewise.
5277         * config/sh/divtab-sh4-300.c: Likewise.
5278         * config/sh/divtab-sh4.c: Likewise.
5279         * config/sh/divtab.c: Likewise.
5280         * config/sh/lib1funcs-4-300.asm: Likewise.
5281         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5282         * config/sh/lib1funcs.asm: Likewise.
5283         * config/sh/lib1funcs.h: Likewise.
5284         * config/sh/linux-atomic.asm: Likewise.
5285         * config/sh/linux-unwind.h: Likewise.
5286         * config/sh/shmedia.h: Likewise.
5287         * config/sh/sshmedia.h: Likewise.
5288         * config/sh/ushmedia.h: Likewise.
5289         * config/sparc/crtfastmath.c: Likewise.
5290         * config/sparc/linux-unwind.h: Likewise.
5291         * config/sparc/sol2-c1.asm: Likewise.
5292         * config/sparc/sol2-ci.asm: Likewise.
5293         * config/sparc/sol2-cn.asm: Likewise.
5294         * config/spu/divmodti4.c: Likewise.
5295         * config/spu/divv2df3.c: Likewise.
5296         * config/spu/float_disf.c: Likewise.
5297         * config/spu/float_unsdidf.c: Likewise.
5298         * config/spu/float_unsdisf.c: Likewise.
5299         * config/spu/float_unssidf.c: Likewise.
5300         * config/spu/mfc_multi_tag_release.c: Likewise.
5301         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5302         * config/spu/mfc_tag_release.c: Likewise.
5303         * config/spu/mfc_tag_reserve.c: Likewise.
5304         * config/spu/mfc_tag_table.c: Likewise.
5305         * config/spu/multi3.c: Likewise.
5306         * config/spu/spu_internals.h: Likewise.
5307         * config/spu/spu_intrinsics.h: Likewise.
5308         * config/spu/spu_mfcio.h: Likewise.
5309         * config/spu/vec_types.h: Likewise.
5310         * config/spu/vmx2spu.h: Likewise.
5311         * config/stormy16/stormy16-lib2.c: Likewise.
5312         * config/svr4.h: Likewise.
5313         * config/sync.c: Likewise.
5314         * config/v850/lib1funcs.asm: Likewise.
5315         * config/vxlib-tls.c: Likewise.
5316         * config/vxlib.c: Likewise.
5317         * config/vxworks-dummy.h: Likewise.
5318         * config/xtensa/crti.asm: Likewise.
5319         * config/xtensa/crtn.asm: Likewise.
5320         * config/xtensa/ieee754-df.S: Likewise.
5321         * config/xtensa/ieee754-sf.S: Likewise.
5322         * config/xtensa/lib1funcs.asm: Likewise.
5323         * config/xtensa/lib2funcs.S: Likewise.
5324         * config/xtensa/linux-unwind.h: Likewise.
5325         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5326         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5327         * coretypes.h: Likewise.
5328         * crtstuff.c: Likewise.
5329         * defaults.h: Likewise.
5330         * dwarf2.h: Likewise.
5331         * emutls.c: Likewise.
5332         * gbl-ctors.h: Likewise.
5333         * gcov-io.h: Likewise.
5334         * ginclude/float.h: Likewise.
5335         * ginclude/iso646.h: Likewise.
5336         * ginclude/stdarg.h: Likewise.
5337         * ginclude/stdbool.h: Likewise.
5338         * ginclude/stddef.h: Likewise.
5339         * ginclude/stdfix.h: Likewise.
5340         * ginclude/stdint-gcc.h: Likewise.
5341         * ginclude/tgmath.h: Likewise.
5342         * gthr-aix.h: Likewise.
5343         * gthr-dce.h: Likewise.
5344         * gthr-gnat.c: Likewise.
5345         * gthr-gnat.h: Likewise.
5346         * gthr-lynx.h: Likewise.
5347         * gthr-mipssde.h: Likewise.
5348         * gthr-nks.h: Likewise.
5349         * gthr-posix.c: Likewise.
5350         * gthr-posix.h: Likewise.
5351         * gthr-posix95.h: Likewise.
5352         * gthr-rtems.h: Likewise.
5353         * gthr-single.h: Likewise.
5354         * gthr-solaris.h: Likewise.
5355         * gthr-tpf.h: Likewise.
5356         * gthr-vxworks.h: Likewise.
5357         * gthr-win32.h: Likewise.
5358         * gthr.h: Likewise.
5359         * libgcc2.c: Likewise.
5360         * libgcc2.h: Likewise.
5361         * libgcov.c: Likewise.
5362         * tsystem.h: Likewise.
5363         * typeclass.h: Likewise.
5364         * unwind-c.c: Likewise.
5365         * unwind-compat.h: Likewise.
5366         * unwind-dw2-fde-compat.c: Likewise.
5367         * unwind-dw2-fde-darwin.c: Likewise.
5368         * unwind-dw2-fde-glibc.c: Likewise.
5369         * unwind-dw2-fde.c: Likewise.
5370         * unwind-dw2-fde.h: Likewise.
5371         * unwind-dw2.c: Likewise.
5372         * unwind-dw2.h: Likewise.
5373         * unwind-generic.h: Likewise.
5374         * unwind-pe.h: Likewise.
5375         * unwind-sjlj.c: Likewise.
5376         * unwind.inc: Likewise.
5377         * config/arm/neon-gen.ml: Change generated copyright header to
5378         refer to version 3 of the GNU General Public License with
5379         version 3.1 of the GCC Runtime Library Exception and to point
5380         readers at the COPYING3 and COPYING3.RUNTIME files and the
5381         FSF's license web page.
5382         * config/arm/arm_neon.h: Regenerate.
5383
5384 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5385
5386         * config/cris/cris.md: Change copyright header to refer to version
5387         3 of the GNU General Public License.
5388         * doc/install.texi2html: Change copyright header to refer to version
5389         3 of the GNU General Public License and to point readers at the
5390         COPYING3 file and the FSF's license web page.
5391         * config/vax/linux.h: Likewise.
5392
5393 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5394
5395         * config/i386/i386.md (cmpcc): New.
5396         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5397         (sync_compare_and_swap_cc*): Delete.
5398
5399         * config/s390/s390.c (s390_compare_emitted): Remove.
5400         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5401         s390_compare_emitted used to be handled.  Assert that modes match.
5402         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5403         refer to sync_compare_and_swap_ccsi.
5404         * config/s390/s390.h (s390_compare_emitted): Remove.
5405         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5406         instead of s390_compare_emitted.
5407         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5408         instead of s390_compare_emitted.
5409         * config/s390/s390.md (cmpcc): New.
5410         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5411         CC_REGNUM, do not pretend it's set.
5412         (sync_compare_and_swap_cc*): Delete.
5413         * config/s390/predicates.md (cc_reg_operand): New.
5414
5415         * expr.c (sync_compare_and_swap_cc): Delete.
5416         * optabs.h (sync_compare_and_swap_cc): Delete.
5417         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5418         is being used with can_compare_p.
5419         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5420         (find_cc_set): New.
5421         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5422         look for a MODE_CC set instead.  Use emit_store_flag.
5423         (expand_compare_and_swap_loop): Likewise, with some additional
5424         complication to avoid a force_reg when useless.  Use
5425         emit_cmp_and_jump_insns.
5426         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5427         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5428         sync_compare_and_swap documentation.
5429
5430 2009-04-09  Jan Hubicka  <jh@suse.cz>
5431
5432         * except.c (find_prev_try): Break out from ....
5433         (duplicate_eh_regions): ... here; properly update prev_try pointers
5434         when duplication part of tree.
5435         (dump_eh_tree): Improve dumping.
5436         (verify_eh_region): New.
5437         (verify_eh_tree): Use it.
5438
5439 2009-04-06  Richard Guenther  <rguenther@suse.de>
5440
5441         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5442         &ARRAY addresses by adjusting their types and prepending
5443         a conversion.
5444         * tree-cfg.c (verify_gimple_assign_single): Verify that
5445         addresses are correct.
5446
5447 2009-04-09  Richard Guenther  <rguenther@suse.de>
5448
5449         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5450         indices into an array reference if possible.
5451         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5452         Fold POINTER_PLUS_EXPR statements with invariant address.
5453
5454 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5455
5456         PR target/39634
5457         * config.gcc (powerpc64-*-linux*): Always build biarch.
5458
5459 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5460
5461         PR c/39613
5462         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5463         it and pedwarn if this results in an INTEGER_CST.
5464
5465 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5466
5467         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5468         text in MPFR section.
5469
5470 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5471
5472         * dwarf2out.c (class_scope_p): New static inline.
5473         (class_or_namespace_scope_p): Use it.
5474         (gen_variable_die): Use DW_TAG_member tag for static data member
5475         declarations instead of DW_TAG_variable.
5476
5477         PR middle-end/39573
5478         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5479         variables.
5480
5481 2009-04-08  Richard Guenther  <rguenther@suse.de>
5482
5483         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5484         valueize random data.
5485
5486 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5487
5488         * config.gcc (aix tm_file):  Add aix-stdint.h.
5489         (aix tm clause use_gcc_stdint):  Set to wrap.
5490         * config/rs6000/aix-stdint.h:  New file.
5491
5492 2009-04-08  Richard Guenther  <rguenther@suse.de>
5493
5494         PR middle-end/36291
5495         * tree-dfa.c (add_referenced_var): Do not recurse into
5496         global initializers.
5497         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5498         exposed variables.
5499         (fold_const_aggregate_ref): Likewise.
5500
5501 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5502
5503         * recog.c (ordered_comparison_operator): New.
5504         * gensupport.c (std_preds): Add it.
5505         * doc/md.texi (Machine-Independent Predicates): Document it.
5506
5507 2009-04-08  Jan Hubicka  <jh@suse.cz>
5508
5509         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5510         * function.h (rtl_eh): Remove exception_handler_label_map.
5511         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5512         remove_exception_handler_label, for_each_eh_label_1): Remove.
5513         (rtl_remove_unreachable_regions): Remove.
5514         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5515         (find_exception_handler_labels): Don't build the hashtable.
5516         (maybe_remove_eh_handler): Remove.
5517         (for_each_eh_label): Rewrite to walk the tree.
5518         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5519         * except.h (maybe_remove_eh_handler): Remove.
5520         * passes.c (init_optimization_passes): Schedule second EH cleanup
5521         before out-of-ssa.
5522         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5523         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5524
5525 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5526
5527         * genoutput.c (validate_optab_operands): New.
5528         (gen_insn, gen_expand): Call it.
5529
5530         * genflags.c (gen_insn): Detect misused iterators.
5531         (main): Pass line_no to gen_insn, exit with status 1 on error.
5532
5533         * genextract.c (line_no): Make global.
5534         (VEC_safe_set_locstr): Change assertion to error message.
5535         (main): Exit with status 1 on error.
5536
5537 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5538
5539         PR c/39614
5540         PR c/39673
5541         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5542         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5543         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5544         * c-convert.c (convert): Do not call fold on results of conversion
5545         functions when the result is a C_MAYBE_CONST_EXPR.
5546         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5547         of __builtin_choose_expr.
5548         * c-typeck.c (remove_c_maybe_const_expr): New.
5549         (build_unary_op, build_conditional_expr, build_compound_expr,
5550         build_binary_op, c_objc_common_truthvalue_conversion): Call
5551         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5552         integer operands.
5553
5554 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5555
5556         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5557         CODE to produce a new one. Add a prototype to use fold_convert_const
5558
5559 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5560
5561         PR bootstrap/39660
5562         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5563         mix declarations and code.
5564
5565 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5566
5567         * gcc.c: Replace `CC' with `GCC' throughout.
5568
5569 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5570
5571         * doc/invoke.texi: Document Atom support.
5572
5573 2009-04-07  Jason Merrill  <jason@redhat.com>
5574
5575         PR c++/25185
5576         * c-common.h, c-common.c: Add flag_pretty_templates.
5577         * c-opts.c (c_common_handle_option): Set it.
5578         * c.opt: Add -fno-pretty-templates.
5579         * doc/invoke.texi (C++ Dialect Options): Likewise.
5580
5581 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5582
5583         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5584         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5585         (ia64_expand_builtin): Likewise.
5586
5587 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5588
5589         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5590         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5591         ADDR_EXPRS are include too.
5592
5593 2009-04-07  Richard Guenther  <rguenther@suse.de>
5594
5595         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5596         decls are only used if passes as parameters or if they are
5597         local statics and the call is not to a builtin.
5598         (call_may_clobber_ref_p_1): Likewise.
5599
5600 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5601
5602         * expr.c (do_store_flag): Remove last argument.  Simplify code
5603         to avoid duplication of tests already done by can_compare_p.
5604         (expand_expr_real_1): Adjust caller.
5605
5606 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5607
5608         * optabs.c (can_compare_p): Test the predicate of a
5609         cbranch and cstore pattern.
5610
5611 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5612
5613         * expr.c (convert_move): Use emit_store_flag instead of
5614         "emulating" it.
5615
5616 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5617
5618         * config/i386/i386.c (ix86_compare_emitted): Remove.
5619         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5620         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5621         * config/i386/i386.h (ix86_compare_emitted): Remove.
5622         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5623         instead of ix86_compare_emitted.
5624         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5625
5626 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5627
5628         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5629         Add t-sysroot-suffix to tmake_file.
5630         * config/print-sysroot-suffix.sh: New file.
5631         * config/t-sysroot-suffix: New file.
5632
5633 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5634
5635         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5636         as the latter produces a warning when the target does not support
5637         infinity.
5638
5639 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5640
5641         * dfp.c: Replace type punning assignments with memcpy throughout.
5642         * Makefile.in (dfp.o-warn): Remove.
5643
5644 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5645
5646         PR target/39634
5647         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5648         Include soft-fp/t-softfp after rs6000/t-linux64.
5649
5650 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5651
5652         * stor-layout.c (set_sizetype): Use the full precision of their
5653         machine mode for bitsize types.
5654
5655 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5656
5657         * config/i386/i386.md: Revert 2 accidental checkins.
5658
5659 2009-04-06  Joey Ye  <joey.ye@intel.com>
5660             Xuepeng Guo  <xuepeng.guo@intel.com>
5661             H.J. Lu  <hongjiu.lu@intel.com>
5662
5663         Atom pipeline model, tuning and insn selection.
5664         * config.gcc (atom): Add atom config options and target.
5665
5666         * config/i386/atom.md: New.
5667
5668         * config/i386/i386.c (atom_cost): New cost.
5669         (m_ATOM): New macro flag.
5670         (initial_ix86_tune_features): Set m_ATOM.
5671         (x86_accumulate_outgoing_args): Likewise.
5672         (x86_arch_always_fancy_math_387): Likewise.
5673         (processor_target): Add Atom cost.
5674         (cpu_names): Add Atom cpu name.
5675         (override_options): Set Atom ISA.
5676         (ix86_issue_rate): New case PROCESSOR_ATOM.
5677         (ix86_adjust_cost): Likewise.
5678
5679         * config/i386/i386.h (TARGET_ATOM): New target macro.
5680         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5681         (TARGET_OPT_AGU): New target option.
5682         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5683         (processor_type): Add PROCESSOR_ATOM.
5684
5685         * config/i386/i386.md (cpu): Add new value "atom".
5686         (use_carry, movu): New attr.
5687         (atom.md): Include atom.md.
5688         (adddi3_carry_rex64): Set attr "use_carry".
5689         (addqi3_carry): Likewise.
5690         (addhi3_carry): Likewise.
5691         (addsi3_carry): Likewise.
5692         (*addsi3_carry_zext): Likewise.
5693         (subdi3_carry_rex64): Likewise.
5694         (subqi3_carry): Likewise.
5695         (subhi3_carry): Likewise.
5696         (subsi3_carry): Likewise.
5697         (x86_movdicc_0_m1_rex64): Likewise.
5698         (*x86_movdicc_0_m1_se): Likewise.
5699         (x86_movsicc_0_m1): Likewise.
5700         (*x86_movsicc_0_m1_se): Likewise.
5701         (*adddi_1_rex64): Emit add insn as much as possible.
5702         (*addsi_1): Likewise.
5703         (return_internal): Set atom_unit.
5704         (return_internal_long): Likewise.
5705         (return_pop_internal): Likewise.
5706         (*rcpsf2_sse): Set atom_sse_attr attr.
5707         (*qrt<mode>2_sse): Likewise.
5708         (*prefetch_sse): Likewise.
5709
5710         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5711         PROCESSOR_ATOM.
5712         (ix86_target_macros_internal): Likewise.
5713
5714         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5715         (*prefetch_sse_rex): Likewise.
5716         (sse_rcpv4sf2): Likewise.
5717         (sse_vmrcpv4sf2): Likewise.
5718         (sse_sqrtv4sf2): Likewise.
5719         (<sse>_vmsqrt<mode>2): Likewise.
5720         (sse_ldmxcsr): Likewise.
5721         (sse_stmxcsr): Likewise.
5722         (*sse_sfence): Likewise.
5723         (sse2_clflush): Likewise.
5724         (*sse2_mfence): Likewise.
5725         (*sse2_lfence): Likewise.
5726         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5727         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5728         (avx_movdqu<avxmodesuffix>): Likewise.
5729         (avx_lddqu<avxmodesuffix>): Likewise.
5730         (sse2_movntv2di): Change attr "type" to "ssemov".
5731         (sse2_movntsi): Likewise.
5732         (rsqrtv8sf2): Change attr "type" to "sseadd".
5733         (sse3_addsubv2df3): Set attr "atom_unit".
5734         (sse3_h<plusminus_insn>v4sf3): Likewise.
5735         (*sse2_pmaddwd): Likewise.
5736         (*vec_extractv2di_1_rex64): Likewise.
5737         (*vec_extractv2di_1_avx): Likewise.
5738         (sse2_psadbw): Likewise.
5739         (ssse3_phaddwv8hi3): Likewise.
5740         (ssse3_phaddwv4hi3): Likewise.
5741         (ssse3_phadddv4si3): Likewise.
5742         (ssse3_phadddv2si3): Likewise.
5743         (ssse3_phaddswv8hi3): Likewise.
5744         (ssse3_phaddswv4hi3): Likewise.
5745         (ssse3_phsubwv8hi3): Likewise.
5746         (ssse3_phsubwv4hi3): Likewise.
5747         (ssse3_phsubdv4si3): Likewise.
5748         (ssse3_phsubdv2si3): Likewise.
5749         (ssse3_phsubswv8hi3): Likewise.
5750         (ssse3_phsubswv4hi3): Likewise.
5751         (ssse3_pmaddubsw128): Likewise.
5752         (sse3_pmaddubsw: Likewise.
5753         (ssse3_palignrti): Likewise.
5754         (ssse3_palignrdi): Likewise.
5755
5756 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5757
5758         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5759
5760 2009-04-06  Richard Guenther  <rguenther@suse.de>
5761
5762         PR tree-optimization/28868
5763         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5764         of which PHI results we inserted.
5765         (insert_into_preds_of_block): Record inserted PHIs.
5766         (eliminate): Eliminate redundant PHI nodes.
5767         (init_pre): Init inserted_phi_names.
5768
5769 2009-04-06  Richard Guenther  <rguenther@suse.de>
5770
5771         PR tree-optimization/39643
5772         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5773         IMAGPART_EXPRs of complex constants.
5774         (execute_fold_all_builtins): If we folded a call queue
5775         TODO_update_address_taken.
5776
5777 2009-04-06  Jan Hubicka  <jh@suse.cz>
5778
5779         PR middle-end/39659
5780         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5781         flag.
5782
5783 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5784
5785         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5786         delay slot.
5787         (ic_invalidate_array): Likewise.
5788
5789 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5790
5791         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5792         alignment for library calls.
5793
5794 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5795
5796         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5797         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5798         * config/i386/mingw-stdint.h:  New file.
5799
5800 2009-04-05  Richard Guenther  <rguenther@suse.de>
5801
5802         PR tree-optimization/39648
5803         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5804         our &A vs. &A[0] IL deficiencies.
5805
5806 2009-04-04  Jan Hubicka  <jh@suse.cz>
5807
5808         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5809         removed toplevel regions.
5810         (sjlj_mark_call_sites): Likewise.
5811
5812 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5813
5814         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5815         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5816         * config/i386/cygwin-stdint.h:  New file.
5817
5818 2009-04-04  Richard Guenther  <rguenther@suse.de>
5819
5820         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5821         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5822         single-argument PHIs if we are in loop-closed SSA form.
5823         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5824         for the pre-condition.
5825         (slpeel_tree_peel_loop_to_edge): Likewise.
5826         (vect_build_loop_niters): Take an optional sequence to append stmts.
5827         (vect_generate_tmps_on_preheader): Likewise.
5828         (vect_do_peeling_for_loop_bound): Take extra guards for the
5829         pre-condition.
5830         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5831         the cost model check.
5832         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5833         guards if we are going to peel.  Do not apply versioning in that case.
5834         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5835         (vect_do_peeling_for_loop_bound): Likewise.
5836         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5837         loop bound only record extra pre-conditions, do not apply loop
5838         versioning.
5839
5840 2009-04-04  Richard Guenther  <rguenther@suse.de>
5841
5842         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5843         renaming code.
5844
5845 2009-04-04  Jan Hubicka  <jh@suse.cz>
5846
5847         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5848         last_basic_block for size of bb->index indexed array.
5849         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5850         compute_out, link_btr_uses, build_btr_def_use_webs,
5851         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5852
5853 2009-04-04  Jan Hubicka  <jh@suse.cz>
5854
5855         * except.c (remove_eh_handler_and_replace): Break out from ...
5856         (remove_eh_handler): ... here.
5857         (bring_to_root): New function.
5858         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5859         handled ones, bring others to root of tree.
5860
5861 2009-04-04  Jan Hubicka  <jh@suse.cz>
5862
5863         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5864         (all_phis_safe_to_merge): New function.
5865         (update_info): New structure.
5866         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5867         (cleanup_empty_eh): Update SSA if possible.
5868
5869 2009-04-04  Richard Guenther  <rguenther@suse.de>
5870
5871         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5872         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5873         (append_vuse): Likewise.
5874
5875 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5876
5877         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5878         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5879         instead of REG_UNSAVED for DW_CFA_undefined.
5880         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5881         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5882         outermost frame.
5883
5884 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5885
5886         PR target/39501
5887         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5888         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5889         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5890
5891 2009-04-04  Richard Guenther  <rguenther@suse.de>
5892
5893         PR tree-optimization/8781
5894         PR tree-optimization/37892
5895         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5896         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5897         (valueize_refs): Call it for *& valueizations.
5898         (shared_reference_ops_from_ref): Rename to ...
5899         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5900         (shared_reference_ops_from_call): Rename to ...
5901         (valueize_shared_reference_ops_from_call): ... this and valueize.
5902         (vn_reference_lookup): Update.
5903         (visit_reference_op_call): Likewise.
5904         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5905         (eliminate): Value-replace the call address in call statements.
5906
5907 2009-04-04  Richard Guenther  <rguenther@suse.de>
5908
5909         PR tree-optimization/39636
5910         * tree-ssa-forwprop.c
5911         (forward_propagate_addr_into_variable_array_index): Check for
5912         GIMPLE_ASSIGN before accessing the rhs code.
5913
5914 2009-04-03  Jason Merrill  <jason@redhat.com>
5915
5916         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5917
5918 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5919
5920         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5921         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5922         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5923         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5924         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5925         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5926         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5927         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5928         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5929         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5930         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5931         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5932         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5933         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5934         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5935         Use fr_reg_or_fp01_operand instead of fr_register_operand
5936
5937         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5938         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5939         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5940
5941 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5942
5943         PR rtl-optimization/39607
5944         PR rtl-optimization/39631
5945
5946         Revert:
5947
5948         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5949         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5950         instead of DF_LR_OUT.
5951         * ira-lives.c (process_bb_node_lives): Ditto.
5952         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5953         instead of DF_LR_{OUT,IN}.
5954         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5955         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5956
5957 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5958
5959         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5960         (execute_lower_omp): Always run but take the short way out if -fopenmp
5961         is not given.
5962         (gate_lower_omp): Remove, forcing the pass manager to always run the
5963         pass and always set PROP_gimple_lomp.
5964         (pass_lower_omp): Remove gate function.
5965         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5966         PROP_trees.  Instead, require it.
5967         * ipa-cp.c (pass_ipa_cp): Likewise.
5968         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5969         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5970         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5971         and PROP_gimple_leh.
5972
5973 2009-04-03  Richard Guenther  <rguenther@suse.de>
5974
5975         PR middle-end/13146
5976         PR tree-optimization/23940
5977         PR tree-optimization/33237
5978         PR middle-end/33974
5979         PR middle-end/34093
5980         PR tree-optimization/36201
5981         PR tree-optimization/36230
5982         PR tree-optimization/38049
5983         PR tree-optimization/38207
5984         PR tree-optimization/38230
5985         PR tree-optimization/38301
5986         PR tree-optimization/38585
5987         PR middle-end/38895
5988         PR tree-optimization/38985
5989         PR tree-optimization/39299
5990         * tree-ssa-structalias.h: Remove.
5991         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
5992         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
5993         (struct vuse_element_d): Remove.
5994         (struct vuse_vec_d): Likewise.
5995         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
5996         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
5997         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
5998         VUSE_ELEMENT_VAR): Likewise.
5999         (struct voptype_d): Likewise.
6000         (NUM_VOP_FREE_BUCKETS): Likewise.
6001         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6002         (struct stmt_operands_d): Remove.
6003         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6004         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6005         VDEF_NUM, VDEF_VECT): Likewise.
6006         (copy_virtual_operands): Remove.
6007         (operand_build_cmp): Likewise.
6008         (create_ssa_artificial_load_stmt): Likewise.
6009         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6010         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6011         vuse_index and mayuse_index members.  Pack and move done and iter_type
6012         members to the front.
6013         (SSA_OP_VMAYUSE): Remove.
6014         (SSA_OP_VIRTUAL_USES): Adjust.
6015         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6016         (unlink_stmt_vdef): Declare.
6017         (add_to_addressable_set): Remove.
6018         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6019         (vrp_visit_stmt): Likewise.
6020         * doc/tree-ssa.texi (Alias analysis): Update.
6021         * doc/invoke.texi (max-aliased-vops): Remove docs.
6022         (avg-aliased-vops): Likewise.
6023         * tree-into-ssa.c (syms_to_rename): Remove.
6024         (need_to_update_vops_p): Likewise.
6025         (need_to_initialize_update_ssa_p): Rename to ...
6026         (update_ssa_initialized_fn): ... this.  Track function we are
6027         initialized for.
6028         (symbol_marked_for_renaming): Simplify.
6029         (add_new_name_mapping): Do not set need_to_update_vops_p.
6030         (dump_currdefs): Use SYMS_TO_RENAME.
6031         (rewrite_update_stmt): Always walk all uses/defs.
6032         (dump_update_ssa): Adjust.
6033         (init_update_ssa): Take function argument.  Track what we are
6034         initialized for.
6035         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6036         (create_new_def_for): Initialize for cfun, assert we are initialized
6037         for cfun.
6038         (mark_sym_for_renaming): Simplify.
6039         (mark_set_for_renaming): Do not initialize update-ssa.
6040         (need_ssa_update_p): Simplify.  Take function argument.
6041         (name_mappings_registered_p): Assert we ask for the correct function.
6042         (name_registered_for_update_p): Likewise.
6043         (ssa_names_to_replace): Likewise.
6044         (release_ssa_name_after_update_ssa): Likewise.
6045         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6046         (dump_decl_set): Do not print a newline.
6047         (debug_decl_set): Do it here.
6048         (dump_update_ssa): And here.
6049         * tree-ssa-loop-im.c (move_computations): Adjust.
6050         (movement_possibility): Likewise.
6051         (determine_max_movement): Likewise.
6052         (gather_mem_refs_stmt): Likewise.
6053         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6054         or NAME_MEMORY_TAG.
6055         * tree-complex.c (update_all_vops): Remove.
6056         (expand_complex_move): Adjust.
6057         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6058         Simplify test for memory referencing statement.  Exclude
6059         non-invariant ADDR_EXPRs.
6060         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6061         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6062         (rdg_flag_uses): Likewise.
6063         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6064         related code.
6065         (tree_optimize_tail_calls_1): Also split the
6066         edge from the entry block if we have degenerate PHI nodes in
6067         the first basic block.
6068         * tree.c (init_ttree): Remove memory-tag related code.
6069         (tree_code_size): Likewise.
6070         (tree_node_structure): Likewise.
6071         (build7_stat): Re-write to be build6_stat.
6072         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6073         (SSA_VAR_P): Adjust.
6074         (struct tree_memory_tag): Remove.
6075         (struct tree_memory_partition_tag): Likewise.
6076         (union tree_node): Adjust.
6077         (build7): Re-write to be build6.
6078         * tree-pass.h (pass_reset_cc_flags): Remove.
6079         (TODO_update_address_taken): New flag.
6080         (pass_simple_dse): Remove.
6081         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6082         * params.h (MAX_ALIASED_VOPS): Remove.
6083         (AVG_ALIASED_VOPS): Likewise.
6084         * omp-low.c (expand_omp_taskreg): Update SSA form.
6085         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6086         aliases the lhs in a copy stmt.
6087         * tree-ssa-dse.c (struct address_walk_data): Remove.
6088         (memory_ssa_name_same): Likewise.
6089         (memory_address_same): Likewise.
6090         (get_kill_of_stmt_lhs): Likewise.
6091         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6092         unused stores.  Look through PHI nodes into post-dominated regions.
6093         (dse_optimize_stmt): Simplify.  Properly remove stores.
6094         (tree_ssa_dse): Compute dominators.
6095         (execute_simple_dse): Remove.
6096         (pass_simple_dse): Likewise.
6097         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6098         gimple_loaded_syms and gimple_stored_syms computation.
6099         * toplev.c (dump_memory_report): Dump alias and pta stats.
6100         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6101         (vn_reference_eq): Likewise.
6102         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6103         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6104         valueize_vuses): Remove.
6105         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6106         (get_def_ref_stmt_vuse): ... this.
6107         (vn_reference_lookup_2): New function.
6108         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6109         walking equivalent vuses.  Simplify.
6110         (vn_reference_lookup): Likewise.
6111         (vn_reference_insert): Likewise.
6112         (vn_reference_insert_pieces): Likewise.
6113         (visit_reference_op_call): Simplify.
6114         (visit_reference_op_load): Likewise.
6115         (visit_reference_op_store): Likewise.
6116         (init_scc_vn): Remove shared_lookup_vuses initialization.
6117         (free_scc_vn): Remove shared_lookup_vuses freeing.
6118         (sort_vuses, sort_vuses_heap): Remove.
6119         (get_ref_from_reference_ops): Export.
6120         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6121         vector with single vuse pointer.
6122         (vn_reference_lookup_pieces, vn_reference_lookup,
6123         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6124         (shared_vuses_from_stmt): Remove.
6125         (get_ref_from_reference_ops): Declare.
6126         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6127         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6128         memory-tag related code.
6129         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6130         (likely_value): Add comment, skip static-chain of call statements.
6131         (surely_varying_stmt_p): Adjust.
6132         (gimplify_and_update_call_from_tree): Likewise.
6133         (execute_fold_all_builtins): Do not rebuild alias info.
6134         (gimplify_and_update_call_from_tree): Properly update VOPs.
6135         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6136         (copy_ref_info): Remove memory-tag related code.
6137         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6138         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6139         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6140         computation.
6141         * tree-ssa-dom.c (gimple_p): Remove typedef.
6142         (eliminate_redundant_computations): Adjust.
6143         (record_equivalences_from_stmt): Likewise.
6144         (avail_expr_hash): Likewise.
6145         (avail_expr_eq): Likewise.
6146         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6147         (stmt_makes_single_load): Likewise.
6148         (stmt_makes_single_store): Likewise.
6149         * tree-ssa-alias.c: Rewrite completely.
6150         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6151         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6152         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6153         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6154         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6155         Remove public functions.
6156         (pass_reset_cc_flags): Remove.
6157         (pass_build_alias): Move ...
6158         * tree-ssa-structalias.c (pass_build_alias): ... here.
6159         * tree-ssa-alias.c (may_be_aliased): Move ...
6160         * tree-flow-inline.h (may_be_aliased): ... here.
6161         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6162         count_uses_and_derefs): Move ...
6163         * gimple.c: ... here.
6164         * gimple.h (count_uses_and_derefs): Declare.
6165         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6166         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6167         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6168         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6169         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6170         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6171         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6172         New functions.
6173         * tree-dfa.c (refs_may_alias_p): Move ...
6174         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6175         * tree-ssa-alias.h: New file.
6176         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6177         (statement_sink_location): Likewise.
6178         * opts.c (decode_options): Do not adjust max-aliased-vops or
6179         avg-aliased-vops values.
6180         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6181         (TV_CALL_CLOBBER): Likewise.
6182         (TV_FLOW_SENSITIVE): Likewise.
6183         (TV_FLOW_INSENSITIVE): Likewise.
6184         (TV_MEMORY_PARTITIONING): Likewise.
6185         (TV_ALIAS_STMT_WALK): New timevar.
6186         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6187         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6188         (get_address_description): Remove memory-tag related code.
6189         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6190         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6191         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6192         and immediate uses in statements.  Document.
6193         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6194         (dump_symbols): Remove.
6195         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6196         * alias.c (get_deref_alias_set): New function split out from ...
6197         (get_alias_set): ... here.
6198         * alias.h (get_deref_alias_set): Declare.
6199         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6200         type parameter.  Remove restrict pointer handling.  Create a
6201         ref-all pointer in case type-based alias sets do not conflict.
6202         (vect_analyze_data_refs): Remove SMT related code.
6203         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6204         (vectorizable_load): Likewise.
6205         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6206         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6207         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6208         Ignore vops and SMTs.
6209         (dr_analyze_alias): Likewise..
6210         (free_data_ref): Likewise.
6211         (create_data_ref): Likewise.
6212         (analyze_all_data_dependences): Likewise.
6213         (get_references_in_stmt): Adjust.
6214         * tree-flow-inline.h (gimple_aliases_computed_p,
6215         gimple_addressable_vars, gimple_call_clobbered_vars,
6216         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6217         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6218         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6219         gimple_mem_ref_stats): Remove.
6220         (gimple_vop): New function.
6221         (op_iter_next_use): Remove vuses and mayuses cases.
6222         (op_iter_next_def): Remove vdefs case.
6223         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6224         (clear_and_done_ssa_iter): Do not set removed fields.
6225         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6226         Assert we are not iterating over vuses or vdefs if not also
6227         iterating over uses or defs.
6228         (op_iter_init_use): Likewise.
6229         (op_iter_init_def): Likewise.
6230         (op_iter_next_vdef): Remove.
6231         (op_iter_next_mustdef): Likewise.
6232         (op_iter_init_vdef): Likewise.
6233         (compare_ssa_operands_equal): Likewise.
6234         (link_use_stmts_after): Handle vuse operand.
6235         (is_call_used): Use is_call_clobbered.
6236         (is_call_clobbered): Global variables are always call clobbered,
6237         query the call-clobbers bitmap.
6238         (mark_call_clobbered): Ignore global variables.
6239         (clear_call_clobbered): Likewise.
6240         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6241         virtual operands sanity check.
6242         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6243         Remove.
6244         (TARGET_MEM_REF): Remove TMR_TAG operand.
6245         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6246         Remove call-clobber related code.
6247         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6248         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6249         partitions or escape reason.
6250         (get_single_def_stmt, get_single_def_stmt_from_phi,
6251         get_single_def_stmt_with_phi): Remove.
6252         (dump_referenced_vars): Tidy.
6253         (get_ref_base_and_extent): Allow bare decls.
6254         (collect_dfa_stats): Adjust.
6255         * graphite.c (rename_variables_in_stmt): Adjust.
6256         (graphite_copy_stmts_from_block): Likewise.
6257         (translate_clast): Likewise.
6258         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6259         (EXPR_DIES): New.
6260         (translate_vuse_through_block): Use the oracle.
6261         (phi_translate_1): Adjust.
6262         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6263         in EXPR_DIES.
6264         (valid_in_sets): Check if the VUSE for
6265         a REFERENCE is available.
6266         (eliminate): Do not remove stmts during elimination,
6267         instead queue and remove them afterwards.
6268         (do_pre): Do not rebuild alias info.
6269         (pass_pre): Run TODO_rebuild_alias before PRE.
6270         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6271         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6272         (mark_all_v_defs_stmt): Remove.
6273         (mark_all_v_defs_seq): Adjust.
6274         (sra_replace): Likewise.
6275         (scalarize_use): Likewise.
6276         (scalarize_copy): Likewise.
6277         (scalarize_init): Likewise.
6278         (scalarize_ldst): Likewise.
6279         (todoflags): Remove.
6280         (tree_sra): Do not rebuild alias info.
6281         (tree_sra_early): Adjust.
6282         (pass_sra): Run TODO_update_address_taken before SRA.
6283         * tree-predcom.c (set_alias_info): Remove.
6284         (prepare_initializers_chain): Do not call it.
6285         (mark_virtual_ops_for_renaming): Adjust.
6286         (mark_virtual_ops_for_renaming_list): Remove.
6287         (initialize_root_vars): Adjust.
6288         (initialize_root_vars_lm): Likewise.
6289         (prepare_initializers_chain): Likewise.
6290         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6291         (may_propagate_copy_into_stmt): Likewise.
6292         (merge_alias_info): Do nothing for now.
6293         (propagate_tree_value_into_stmt): Adjust.
6294         (stmt_may_generate_copy): Likewise.
6295         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6296         not mark symbols for renaming.
6297         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6298         with the same statement, make sure to update the new pointed-to one.
6299         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6300         call statements, do not mark symbols for renaming.
6301         (mark_operand_necessary): Dump something.
6302         (ref_may_be_aliased): New function.
6303         (mark_aliased_reaching_defs_necessary_1): New helper function.
6304         (mark_aliased_reaching_defs_necessary): Likewise.
6305         (mark_all_reaching_defs_necessary_1): Likewise.
6306         (mark_all_reaching_defs_necessary): Likewise.
6307         (propagate_necessity): Do not process virtual PHIs.  For
6308         non-aliased loads mark all reaching definitions as necessary.
6309         For aliased loads and stores mark the immediate dominating
6310         aliased clobbers as necessary.
6311         (visited): New global static.
6312         (perform_tree_ssa_dce): Free visited bitmap after propagating
6313         necessity.
6314         (remove_dead_phis): Perform simple dead virtual PHI removal.
6315         (remove_dead_stmt): Properly unlink virtual operands when
6316         removing stores.
6317         (eliminate_unnecessary_stmts): Schedule PHI removal after
6318         stmt removal.
6319         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6320         (process_replaceable): Likewise.
6321         (find_replaceable_in_bb): Likewise.
6322         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6323         based on the single gimple vop.
6324         (verify_flow_insensitive_alias_info): Remove.
6325         (verify_flow_sensitive_alias_info): Likewise.
6326         (verify_call_clobbering): Likewise.
6327         (verify_memory_partitions): Likewise.
6328         (verify_alias_info): Likewise.
6329         (verify_ssa): Adjust..
6330         (execute_update_addresses_taken): Export.  Update SSA
6331         manually.  Optimize only when optimizing.  Use a local bitmap.
6332         (pass_update_address_taken): Remove TODO_update_ssa, add
6333         TODO_dump_func.
6334         (pass_update_address_taken): Just use TODO_update_address_taken.
6335         (init_tree_ssa): Do not initialize addressable_vars.
6336         (verify_ssa): Verify new VUSE / VDEF properties.
6337         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6338         Do not call verify_alias_info.
6339         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6340         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6341         and callused solutions.  Do not free addressable_vars.
6342         Remove memory-tag related code.
6343         (warn_uninitialized_var): Aliases are always available.
6344         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6345         * lambda-code.c (can_put_in_inner_loop): Adjust.
6346         (can_put_after_inner_loop): Likewise.
6347         (perfect_nestify): Likewise.
6348         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6349         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6350         (vectorizable_conversion): Do not mark symbols for renaming.
6351         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6352         (expand_call_inline): Unlink the calls virtual operands before
6353         replacing it.
6354         (tree_function_versioning): Do not call update_ssa if we are not
6355         updating clones.  Simplify.
6356         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6357         (propagate_with_phi): Likewise..
6358         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6359         clobber code.  Assert we are not aliased or global.
6360         * tree-flow.h: Include tree-ssa-alias.h
6361         (enum escape_type): Remove.
6362         (struct mem_sym_stats_d): Likewise.
6363         (struct mem_ref_stats_d): Likewise.
6364         (struct gimple_df): Add vop member.  Remove global_var,
6365         call_clobbered_vars, call_used_vars, addressable_vars,
6366         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6367         escaped and callused members.
6368         (struct ptr_info_def): Remove all members, add points-to solution
6369         member pt.
6370         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6371         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6372         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6373         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6374         (tree-ssa-alias.o): Likewise.
6375         (toplev.o): Add tree-ssa-alias.h
6376         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6377         * gimple.c (gimple_set_bb): Fix off-by-one error.
6378         (is_gimple_reg): Do not handle memory tags.
6379         (gimple_copy): Also copy virtual operands.
6380         Delay updating the statement.  Do not reset loaded and stored syms.
6381         (gimple_set_stored_syms): Remove.
6382         (gimple_set_loaded_syms): Likewise.
6383         (gimple_call_copy_skip_args): Copy the virtual operands
6384         and mark the new statement modified.
6385         * tree-ssa-structalias.c (may_alias_p): Remove.
6386         (set_uids_in_ptset): Take the alias set to prune with as
6387         parameter.  Fold in the alias test of may_alias_p.
6388         (compute_points_to_sets): Compute whether a ptr is dereferenced
6389         in a local sbitmap.
6390         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6391         other ADDRESSOF constraints on the lhs.
6392         (get_constraint_for_component_ref): Assert that we don't get
6393         ADDRESSOF constraints from the base of the reference.
6394         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6395         (struct variable_info): Remove collapsed_to member.
6396         (get_varinfo_fc): Remove.
6397         (new_var_info): Do not set collapsed_to.
6398         (dump_constraint): Do not follow cycles.
6399         (dump_constraint_graph): Likewise.
6400         (build_pred_graph): Likewise.
6401         (build_succ_graph): Likewise.
6402         (rewrite_constraints): Likewise.
6403         (do_simple_structure_copy): Remove.
6404         (do_rhs_deref_structure_copy): Remove.
6405         (do_lhs_deref_structure_copy): Remove.
6406         (collapse_rest_of_var): Remove.
6407         (do_structure_copy): Re-implement.
6408         (pta_stats): New global variable.
6409         (dump_pta_stats): New function.
6410         (struct constraint_expr): Make offset signed.
6411         (UNKNOWN_OFFSET): Define special value.
6412         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6413         (solution_set_expand): New helper function split out from ...
6414         (do_sd_constraint): ... here.
6415         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6416         (do_ds_constraint): Likewise.
6417         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6418         and CALLUSED = *CALLUSED.
6419         (set_union_with_increment): Make inc argument signed.
6420         (type_safe): Remove.
6421         (get_constraint_for_ptr_offset): Handle unknown and negative
6422         constant offsets.
6423         (first_vi_for_offset): Handle offsets before start.  Bail
6424         out early for offsets beyond the variable extent.
6425         (first_or_preceding_vi_for_offset): New function.
6426         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6427         Together with ESCAPED = *ESCAPED this properly computes reachability.
6428         (find_what_var_points_to): New function.
6429         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6430         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6431         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6432         pt_solutions_intersect): New functions.
6433         (compute_call_used_vars): Remove.
6434         (compute_may_aliases): New main entry into PTA computation.
6435         * gimple.h (gimple_p): New typedef.
6436         (struct gimple_statement_base): Remove references_memory_p.
6437         (struct gimple_statement_with_memory_ops_base): Remove
6438         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6439         members.
6440         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6441         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6442         gimple_set_references_memory): Remove.
6443         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6444         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6445         New functions.
6446         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6447         (verify_expr): Allow RESULT_DECL.
6448         (gimple_duplicate_bb): Do not copy virtual operands.
6449         (gimple_duplicate_sese_region): Adjust.
6450         (gimple_duplicate_sese_tail): Likewise.
6451         (mark_virtual_ops_in_region): Remove.
6452         (move_sese_region_to_fn): Do not call it.
6453         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6454         and pass_simple_dse.
6455         (execute_function_todo): Handle TODO_update_address_taken,
6456         call execute_update_addresses_taken for TODO_rebuild_alias.
6457         (execute_todo): Adjust.
6458         (execute_one_pass): Init dump files early.
6459         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6460         call-clobbered.
6461         (create_general_new_stmt): Clear vops.
6462         * tree-ssa-reassoc.c (get_rank): Adjust.
6463         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6464         symbols for renaming.
6465         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6466         (PARAM_AVG_ALIASED_VOPS): Likewise.
6467         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6468         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6469         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6470         (operand_build_cmp, copy_virtual_operands,
6471         create_ssa_artificial_load_stmt, add_to_addressable_set,
6472         gimple_add_to_addresses_taken): Remove public functions.
6473         (unlink_stmt_vdef): New function.
6474
6475 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6476
6477         * config.gcc (powerpc-*-linux*): Merge variants.
6478
6479 2009-04-02  Chao-ying Fu  <fu@mips.com>
6480             James Grosbach  <james.grosbach@microchip.com>
6481
6482         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6483         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6484         cop0_sp_offset.
6485         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6486         keep_interrupts_masked_p, use_debug_exception_return_p.
6487         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6488         keep_interrupts_masked, use_debug_exception_return.
6489         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6490         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6491         New functions.
6492         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6493         (mips_print_operand): Process COP0 registers to print $0 .. $31
6494         correctly for GAS to process.
6495         (mips_interrupt_extra_call_saved_reg_p): New function.
6496         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6497         extra registers.
6498         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6499         (mips_compute_frame_info): Add supports for interrupt context that
6500         includes doubleword accumulators and COP0 registers.
6501         (mips_for_each_saved_acc): New function.
6502         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6503         mips_for_each_saved_reg.
6504         (mips_save_reg): Save accumulators.
6505         (mips_kernel_reg_p): A new for_each_rtx callback.
6506         (mips_expand_prologue): Support interrupt handlers.
6507         (mips_restore_reg): Restore accumulators.
6508         (mips_expand_epilogue): Support interrupt handlers.
6509         (mips_can_use_return_insn): Return false for interrupt handlers.
6510         (mips_epilogue_uses): New function.
6511         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6512         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6513         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6514         cop0_move): New instructions.
6515         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6516         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6517         defines.
6518         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6519         New defines.
6520         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6521         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6522         interrupt handlers, we use K0 as the temporary register.
6523         (EPILOGUE_USES): Change to a function call.
6524         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6525         handlers, we use K0 as the temporary register.
6526
6527         * doc/extend.texi (Function Attributes): Document interrupt,
6528         use_shadow_register_set, keep_interrupts_masked,
6529         use_debug_exception_return for MIPS attributes.
6530
6531 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6532
6533         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6534         Remove a number of t-files from tmake_file.
6535         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6536         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6537         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6538         target_prototype, not TARGET_PROTOTYPE.
6539         (LINK_OS_GNU_SPEC): Define.
6540         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6541         and darwin-ldoubdle.c.
6542
6543 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6544
6545         PR driver/39293
6546         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6547         (cpp_options): Ditto.
6548         (default_compilers): Ditto.
6549         (display_help): Ditto.
6550         (process_command): Ditto.
6551         (do_spec_1): Ditto.
6552         (set_input): Use lbasename instead of duplicate code.
6553         (save_temps_prefix): New static for -save-temps=obj.
6554         (save_temps_length): Ditto.
6555
6556         * doc/invoke.texi (-save-temps=obj): Document new variant to
6557         -save-temps switch.
6558
6559 2009-04-02  Jeff Law  <law@redhat.com>
6560
6561         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6562         variable.
6563
6564 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6565
6566         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6567         * configure: Regenerated.
6568
6569 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6570
6571         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6572         share the argument list.
6573
6574 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6575
6576         Merge
6577
6578         2009-02-12  Diego Novillo  <dnovillo@google.com>
6579
6580         * varpool.c (debug_varpool): New.
6581         * cgraph.h (debug_varpool): Declare.
6582
6583 2009-04-02  Jan Hubicka  <jh@suse.cz>
6584
6585         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6586         pass.
6587
6588 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6589
6590         * config/i386/i386.c (ix86_abi): Move initialization to ...
6591         (override_options): Here.
6592
6593 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6594
6595         * config/sh/sh.c (sh_dwarf_register_span): New function.
6596         (TARGET_DWARF_REGISTER_SPAN): Define.
6597         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6598
6599 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6600
6601         PR tree-optimization/39595
6602         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6603         interleaved loads group is not  greater than the SLP group size.
6604
6605 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6606
6607         * builtins.c (is_builtin_name): New.
6608         (called_as_built_in): Use is_builtin_name.
6609         * tree.h (is_builtin_name): New.
6610         * varasm.c (incorporeal_function_p): Use is_builtin_name
6611
6612 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6613
6614         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6615
6616 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6617
6618         PR c++/26693
6619         * c-decl.c (clone_underlying_type): Move this ...
6620         * c-common.c (set_underlying_type): ... here.
6621         Also, make sure the function properly sets TYPE_STUB_DECL() on
6622         the newly created typedef variant type.
6623         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6624         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6625         points.
6626
6627 2009-04-02  Richard Guenther  <rguenther@suse.de>
6628
6629         PR tree-optimization/37221
6630         * tree-flow.h (degenerate_phi_result): Declare.
6631         * tree-ssa-dom.c (degenerate_phi_result): Export.
6632         * tree-scalar-evolution.c (analyze_initial_condition): If
6633         the initial condition is defined by a degenerate PHI node
6634         use the degenerate value.
6635
6636 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6637
6638         PR rtl-optimization/39588
6639         * combine.c (merge_outer_ops): Do not set the constant when this
6640         is not necessary.
6641         (simplify_shift_const_1): Do not modify it either in this case.
6642
6643 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6644
6645         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6646         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6647
6648 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6649
6650         PR c/29027
6651         * c-lex.c (interpret_float): Default (no suffix) is double.
6652
6653 2009-04-1  Xinliang David Li  <davidxl@google.com>
6654
6655         * config/i386/i386.c (legitimate_constant_p): Recognize
6656         all one vector constant.
6657
6658 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6659
6660         * config/vax/vax.c: Add #includes to silence warnings.
6661         Change #include order to silence two warnings.
6662
6663 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6664
6665         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6666         (ASM_SPEC): Pass -k to the assembler for PIC code.
6667
6668 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6669
6670         * config.gcc: Add vax-*-linux* to the switch.
6671         * config/vax/linux.h: New file. (TARGET_VERSION,
6672         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6673
6674 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6675
6676         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6677         Use predicate macros instead of GET_CODE() == foo.
6678         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6679         ashlsi3, rotrsi3, <unnamed>): Likewise.
6680
6681 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6682
6683         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6684         jbbccihi, jbbccisi): Remova trailing whitespace.
6685         * config/vax/constraints.md: Likewise.
6686         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6687         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6688         * config/vax/predicates.md: Likewise.
6689         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6690         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6691         * config/vax/vax.h: Likewise.
6692         * config/vax/vax.md (nonlocal_goto): Likewise.
6693
6694 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6695
6696         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6697         (indirectable_address_p, adjacent_operands_p): Add spaces around
6698         braces.
6699         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6700
6701 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6702
6703         * config/vax/vax.c (legitimate_constant_address_p,
6704         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6705         index_term_p, reg_plus_index_p, legitimate_address_p,
6706         vax_mode_dependent_address_p): Update comments to match functions
6707         modified by the recent int->bool conversion.
6708
6709 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6710
6711         * config/vax/builtins.md: Update copyright message.
6712         * config/vax/constraints.md: Likewise.
6713         * config/vax/netbsd-elf.h: Likewise.
6714         * config/vax/predicates.md: Likewise.
6715         * config/vax/vax-protos.h: Likewise.
6716         * config/vax/vax.c: Likewise.
6717         * config/vax/vax.h: Likewise.
6718         * config/vax/vax.md: Likewise.
6719         * config/vax/vax.opt: Likewise.
6720
6721 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6722
6723         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6724         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6725         * config/vax/constraints.md (B, R): Likewise.
6726         * config/vax/predicates.md (external_memory_operand,
6727         nonimmediate_addsub_di_operand): Likewise.
6728         * config/vax/vax.c (vax_output_int_add): Likewise.
6729         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6730         untyped_call): Likewise.
6731
6732 2009-04-01  Matt Thomas  <matt@3am-software.com>
6733
6734         * config/vax/predicates.md: New file.
6735         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6736         external_const_operand, nonsymbolic_operand, external_memory_operand,
6737         indirect_memory_operand, indexed_memory_operand,
6738         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6739         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6740         predicate.
6741         * config/vax/constraints.md: New file.
6742         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6743         New constraint.
6744         * config/vax/builtins.md: New file.
6745         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6746         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6747         jbbccisi): Define.
6748         * config/vax/vax.opt (mqmath): Add option.
6749         * config/vax/vax.md (isfx): Extend with DI.
6750         (VAXintQH, VAXintQHSD): Define.
6751         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6752         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6753         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6754         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6755         (movdi): Update constraints and use vax_output_int_move().
6756         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6757         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6758         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6759         nonlocal_goto): New.
6760         (mov<mode>): Extend accepted operand types.
6761         (subdi3_old): Rename from subdi3, change update constraints and use
6762         a new implementation.
6763         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6764         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6765         MOVE_RATIO, CLEAR_RATIO): Define.
6766         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6767         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6768         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6769         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6770         (split_quadword_operands): Make static and really allow variable
6771         splitting.
6772         (print_operand_address): Update for PIC generation.
6773         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6774         indexable_address_p, fixup_mathdi_operand,
6775         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6776         (vax_float_literal, legitimate_constant_p,
6777         indirectable_constant_address_p, index_term_p,
6778         reg_plus_index_p): Return bool instead of int.
6779         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6780         where needed.
6781         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6782         generation.
6783         (vax_output_conditional_branch): Indent.
6784         (legitimate_constant_address_p, indirectable_constant_address_p,
6785         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6786         vax_mode_dependent_address_p): Return bool instead of int, update for
6787         PIC generation.
6788         * config/vax/vax-protos.h (legitimate_constant_address_p,
6789         legitimate_constant_p, legitimate_address_p,
6790         vax_mode_dependent_address_p): Change declaration to bool.
6791         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6792         vax_expand_addsub_di_operands, vax_output_int_subtract,
6793         vax_output_movmemsi): Declare.
6794         (split_quadword_operands, vax_float_literal): Delete declaration.
6795         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6796         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6797         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6798         ASM_OUTPUT_DWARF_PCREL): Define.
6799         (ASM_SPEC): Change definition to allow PIC generation.
6800
6801 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6802
6803         * doc/sourcebuild.texi: Update front-end requirements.
6804
6805 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6806
6807         PR target/39226
6808         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6809         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6810         (booldi3_internal3): Use boolean_or_operator instead of
6811         boolean_operator.
6812
6813 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6814
6815         PR c/39605
6816         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6817         declarator whose size is not an integer constant expression but
6818         folds to an integer constant, then treat it as a constant
6819         subsequently.
6820
6821 2009-04-01  Richard Guenther  <rguenther@suse.de>
6822
6823         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6824         i * 4 + 2 to (i * 2 + 1) * 2.
6825
6826 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6827
6828         PR c/37772
6829         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6830         return if c_parser_asm_string_literal returned NULL.
6831
6832 2009-04-01  Nick Clifton  <nickc@redhat.com>
6833
6834         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6835         already defined.
6836         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6837         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6838         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6839         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6840         include it.
6841         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6842         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6843         then include it.
6844
6845 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6846
6847         * varasm.c (default_function_rodata_section): Declare DOT as
6848         const char*.
6849
6850 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6851             Andrey Galkin  <agalkin@hypercom.com>
6852
6853         PR/39492
6854         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6855         Make object_name unique for each process.
6856
6857 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6858
6859         PR other/39591
6860         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6861         addressable variables in the parallel that could go out of scope while
6862         running queued tasks.
6863
6864 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6865
6866         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6867         (CASE_VALUES_THRESHOLD): Redefine.
6868         * config/avr/avr.c (avr_override_options): Remove initialization of
6869         avr_case_values_threshold variable.
6870         (avr_case_values_threshold): Remove variable. Add new function.
6871         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6872         * config/avr/avr.opt (mno-tablejump): Remove option.
6873         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6874
6875 2009-04-01  DJ Delorie  <dj@redhat.com>
6876
6877         * varasm.c (default_function_rodata_section): Don't assume
6878         anything about where the first '.' in the section name is.
6879
6880 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6881
6882         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6883         rs6000_emit_stack_tie.
6884
6885 2009-03-31  Ian Lance Taylor  <iant@google.com>
6886
6887         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6888         gimple_code with GIMPLE_RESX, not RESX.
6889
6890 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6891
6892         * c-common.c (c_get_ident): New.
6893         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6894
6895 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6896
6897         * config/rs6000/sysv4.opt (msdata): Improve option description.
6898
6899 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6900
6901         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6902         (divdf3_internal_lat): Remove.
6903         (divxf3_internal_lat): Remove.
6904         (divxf3_internal_thr): Remove.
6905         (divxf): Use divxf3_internal.
6906         * config/ia64/div.md (divsf3_internal_lat): New.
6907         (divdf3_internal_lat): New.
6908         (divxf3_internal): New.
6909
6910 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6911
6912         PR c/448
6913         * Makefile.in (USE_GCC_STDINT): Define.
6914         (stmp-int-hdrs): Install stdint.h if applicable.
6915         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6916         if known.
6917         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6918         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6919         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6920         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6921         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6922         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6923         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6924         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6925         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6926         (c_common_nodes_and_builtins): Initialize
6927         underlying_wchar_type_node.  Do not initialize
6928         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6929         nodes for new types.
6930         (c_stddef_cpp_builtins): Define macros for new types.
6931         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6932         Remove.
6933         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6934         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6935         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6936         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6937         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6938         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6939         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6940         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6941         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6942         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6943         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6944         int16_type_node, int32_type_node, int64_type_node,
6945         uint8_type_node, uint16_type_node, c_uint32_type_node,
6946         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6947         int_least32_type_node, int_least64_type_node,
6948         uint_least8_type_node, uint_least16_type_node,
6949         uint_least32_type_node, uint_least64_type_node,
6950         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6951         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6952         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6953         uintptr_type_node): Define.
6954         * c-cppbuiltin.c (builtin_define_constants,
6955         builtin_define_type_minmax): New.
6956         (builtin_define_stdint_macros): Define more macros.
6957         (c_cpp_builtins): Define more limit macros.
6958         (type_suffix): New.
6959         (builtin_define_type_max): Define in terms of
6960         builtin_define_type_minmax.  Remove is_long parameter.  All
6961         callers changed.
6962         * config.gcc (use_gcc_stdint): Define.
6963         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6964         Add newlib-stdint.h for generic targets.
6965         * config/glibc-stdint.h, config/newlib-stdint.h,
6966         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6967         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6968         * config/score/score.h (UINTPTR_TYPE): Define.
6969         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6970         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6971         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6972         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6973         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6974         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6975         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6976         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6977         * config/spu/spu.h (STDINT_LONG32): Define.
6978         * configure.ac (use_gcc_stdint): Substitute.
6979         * configure: Regenerate.
6980         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6981         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6982         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6983         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
6984         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
6985         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
6986         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
6987         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
6988         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
6989         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
6990         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
6991         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
6992         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
6993         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
6994         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
6995         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
6996         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
6997         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
6998         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
6999         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7000         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7001         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7002         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7003         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7004         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7005         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7006         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7007         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7008         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7009
7010 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7011
7012         * loop-iv.c (suitable_set_for_replacement): Renamed from
7013         simplify_using_assignment; changed to return bool and to accept new
7014         args DEST and SRC.  Return true iff we find a source/destination pair
7015         that can be used to make a replacement, and fill SRC and DEST if so.
7016         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7017         changed.
7018         (simplify_using_initial_values): Deal with altered regs here and track
7019         more precisely the effect they have on the validity of our expression.
7020
7021         * loop-iv.c (simplify_using_condition): A condition of the form
7022         (EQ REG CONST) can be used to simply make a substitution.
7023         (simplify_using_initial_values): Keep track of conditions we have seen
7024         and keep using them to simplify new expressions, while applying the
7025         same substitutions to them as to the expression.
7026
7027         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7028         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7029         GEU/LTU reversed.
7030
7031         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7032         changed.  Use this when trying to improve the upper bound.
7033         Generate the comparison by using simplify_gen_relational.
7034
7035         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7036
7037         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7038         functions.
7039         (simplify_using_assignment, simplify_using_initial_values): Call
7040         replace_in_expr to make replacements.  Call replace_single_def_regs
7041         once on the initial version of the expression.
7042
7043 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7044
7045         PR target/27237
7046         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7047
7048 2009-03-31  Richard Guenther  <rguenther@suse.de>
7049
7050         PR middle-end/31029
7051         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7052         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7053
7054 2009-03-31  Richard Guenther  <rguenther@suse.de>
7055
7056         * tree.h (div_if_zero_remainder): Declare.
7057         * fold-const.c (div_if_zero_remainder): Export.
7058         * tree-ssa-forwprop.c
7059         (forward_propagate_addr_into_variable_array_index): Handle
7060         constant array index addition outside of the variable index.
7061
7062 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7063
7064         PR target/39592
7065         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7066         define_splits, floatunssi<mode>2): Require x87 conversions from
7067         DImode to be permitted.
7068
7069 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7070
7071         PR preprocessor/15638
7072         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7073
7074 2009-03-31  Richard Guenther  <rguenther@suse.de>
7075
7076         PR middle-end/23401
7077         PR middle-end/27810
7078         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7079         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7080         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7081         a separate statement.
7082         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7083         (lookup_tmp_var): Likewise.
7084         (is_gimple_formal_tmp_or_call_rhs): Remove.
7085         (is_gimple_reg_or_call_rhs): Rename to ...
7086         (is_gimple_reg_rhs_or_call): ... this.
7087         (is_gimple_mem_or_call_rhs): Rename to ...
7088         (is_gimple_mem_rhs_or_call): ... this.
7089         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7090         DECL_GIMPLE_REG_P only if is_formal is true.
7091         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7092         for non-proper post-modify expression gimplification.
7093         (gimplify_self_mod_expr): For post-modify expressions gimplify
7094         the lvalue to a minimal lvalue.
7095         (rhs_predicate_for): Remove formal temp case.
7096         (gimplify_modify_expr_rhs): Likewise.
7097         (gimplify_addr_expr): Use is_gimple_reg.
7098         (gimplify_expr): Remove formal temp cases.
7099         (gimple_regimplify_operands): Likewise.
7100         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7101         and FILTER_EXPR like constants.
7102         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7103         is_gimple_reg.
7104         (is_gimple_formal_tmp_rhs): Remove.
7105         (is_gimple_reg_rhs): Remove special casing.
7106         (is_gimple_mem_rhs): Fix.
7107         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7108         (is_gimple_formal_tmp_var): Remove.
7109         (is_gimple_formal_tmp_reg): Likewise.
7110         (is_gimple_min_lval): Allow invariant component ref parts.
7111         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7112         is_gimple_formal_tmp_reg): Remove declarations.
7113         * tree-cfg.c (verify_expr): Verify that variables with address
7114         taken do not have DECL_GIMPLE_REG_P set.
7115         * tree-mudflap.c (mf_build_check_statement_for): Use
7116         force_gimple_operand instead of gimplify_expr.
7117
7118 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7119
7120         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7121         schedulable rows to compute_split_row.
7122
7123 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7124
7125         PR target/31635
7126         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7127         OPT_mvrsave.
7128
7129 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7130
7131         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7132         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7133         * configure: Regenerate.
7134         * config.in: Regenerate.
7135         * config/rs6000/rs6000.opt (mtls-markers): Add.
7136         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7137         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7138         (tls_ld_aix, tls_ld_sysv): Likewise.
7139         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7140         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7141
7142 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7143
7144         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7145
7146 2009-03-30  Jan Hubicka  <jh@suse.cz>
7147
7148         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7149         out of RESX.
7150         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7151         detection and label handling.
7152
7153 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7154
7155         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7156         left_conflicts_size.
7157         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7158         ALLOCNO_LEFT_CONFLICTS_SIZE.
7159
7160         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7161         remove_allocno_from_bucket_and_push,
7162         allocno_spill_priority_compare, push_allocnos_to_stack,
7163         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7164         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7165         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7166         setup_allocno_left_conflicts_size.
7167         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7168         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7169         setup_allocno_left_conflicts_size instead of
7170         setup_allocno_left_conflicts_num.
7171
7172         * ira-build.c (ira_create_allocno): Use
7173         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7174         ALLOCNO_LEFT_CONFLICTS_NUM.
7175
7176 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7177
7178         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7179         instead of DF_LR_OUT.
7180
7181         * ira-lives.c (process_bb_node_lives): Ditto.
7182
7183         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7184         instead of DF_LR_{OUT,IN}.
7185
7186         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7187
7188         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7189
7190 2009-03-30  Jan Hubicka  <jh@suse.cz>
7191
7192         * except.c (label_to_region_map): Fix thinko.
7193
7194 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7195
7196         PR middle-end/38237
7197         * tree.h (tree_find_value): New declaration.
7198         * tree.c (tree_find_value): New function.
7199         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7200
7201 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7202
7203         PR debug/39563
7204         * c-decl.c (struct c_binding): Add locus field.
7205         (bind): Add locus argument, set locus field from it.
7206         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7207         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7208         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7209         implicitly_declare, undeclared_variable, lookup_label,
7210         declare_label, c_make_fname_decl, c_builtin_function,
7211         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7212         bind callers.
7213
7214 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7215
7216         PR target/38781
7217         * config/i386/i386.c (classify_argument): Check total size of
7218         structure.
7219
7220 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7221
7222         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7223         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7224         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7225         respectively.
7226
7227         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7228         seen_variable_array_ref while also traversing a union.
7229
7230         * tree-inline.c (optimize_inline_calls): Do not call
7231         cgraph_node_remove_callees.
7232         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7233         (pass_remove_cgraph_callee_edges): New variable.
7234         * passes.c (init_optimization_passes): Add
7235         pass_remove_cgraph_callee_edges after early inlining and before all
7236         late intraprocedural passes.
7237
7238         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7239
7240 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7241
7242         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7243         Fix typos in names.
7244
7245 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7246
7247         * combine.c (simplify_comparison): Use have_insn_for.
7248         * dojump.c (do_jump): Likewise.
7249
7250 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7251
7252         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7253         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7254         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7255         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7256         instead of sparc_compare_emitted.
7257         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7258         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7259         instead of sparc_compare_emitted.
7260
7261 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7262
7263         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7264         enter/exit cfglayout mode.
7265         (pass_partition_block): Require it.
7266         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7267         (combine_instructions): Track basic blocks instead of labels.
7268         (update_cfg_for_uncondjump): New.
7269         (try_combine): Use it.  Update jumps after rescanning.
7270         (pass_combine): Require PROP_cfglayout.
7271         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7272
7273 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7274
7275         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7276         Provide/destroy PROP_cfglayout respectively.
7277         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7278         * tree-pass.h (PROP_cfglayout): New.
7279
7280 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7281
7282         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7283         fold_convert_const_fixed_from_fixed,
7284         fold_convert_const_fixed_from_int,
7285         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7286         set TREE_CONSTANT_OVERFLOW.
7287         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7288         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7289
7290 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7291
7292         * tree-vect-loop-manip.c: New file.
7293         * tree-vectorizer.c: Update documentation and included files.
7294         (vect_loop_location): Make extern.
7295         (rename_use_op): Move to tree-vect-loop-manip.c
7296         (rename_variables_in_bb, rename_variables_in_loop,
7297         slpeel_update_phis_for_duplicate_loop,
7298         slpeel_update_phi_nodes_for_guard1,
7299         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7300         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7301         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7302         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7303         find_loop_location): Likewise.
7304         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7305         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7306         get_vectype_for_scalar_type, vect_is_simple_use,
7307         supportable_widening_operation, supportable_narrowing_operation):
7308         Likewise.
7309         (bb_in_loop_p): Move to tree-vect-loop.c.
7310         (new_loop_vec_info, destroy_loop_vec_info,
7311         reduction_code_for_scalar_code, report_vect_op,
7312         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7313         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7314         (vect_supportable_dr_alignment): Likewise.
7315         * tree-vectorizer.h (tree-data-ref.h): Include.
7316         (vect_loop_location): Declare.
7317         Reorganize function declarations according to the new file structure.
7318         * tree-vect-loop.c: New file.
7319         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7320         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7321         * tree-vect-data-refs.c: New file.
7322         * tree-vect-patterns.c (timevar.h): Don't include.
7323         * tree-vect-stmts.c: New file.
7324         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7325         tree-vect-slp.c, tree-vect-loop.c.
7326         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7327         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7328         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7329         (tree-vect-analyze.o): Remove.
7330         (tree-vect-transform.o): Likewise.
7331         (tree-vect-data-refs.o): Add rule.
7332         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7333         tree-vect-slp.o): Likewise.
7334         (tree-vect-patterns.o): Remove redundant dependencies.
7335         (tree-vectorizer.o): Likewise.
7336         * tree-vect-slp.c: New file.
7337
7338 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7339
7340         * optc-gen.awk: Warn if an option flag has multiple different
7341         help strings.
7342
7343 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7344
7345         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7346         -floop-block): Document dependences on PPL, CLooG and Graphite.
7347
7348 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7349
7350         PR rtl-optimization/323
7351         * c-common.c (c_fully_fold, convert_and_check,
7352         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7353         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7354         * c-common.def (EXCESS_PRECISION_EXPR): New.
7355         * c-cppbuiltin.c (builtin_define_float_constants): Define
7356         constants with enough digits for long double.
7357         * c-lex.c (interpret_float): Interpret constant with excess
7358         precision where appropriate.
7359         * c-opts.c (c_common_post_options): Set
7360         flag_excess_precision_cmdline.  Give an error for
7361         -fexcess-precision=standard for C++ for processors where the
7362         option is significant.
7363         * c-parser.c (c_parser_conditional_expression): Handle excess
7364         precision in condition.
7365         * c-typeck.c (convert_arguments): Handle arguments with excess
7366         precision.
7367         (build_unary_op): Move excess precision outside operation.
7368         (build_conditional_expr): Likewise.
7369         (build_compound_expr): Likewise.
7370         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7371         (build_modify_expr): Handle excess precision in RHS.
7372         (convert_for_assignment): Handle excess precision in converted
7373         value.
7374         (digest_init, output_init_element, process_init_element): Handle
7375         excess precision in initializer.
7376         (c_finish_return): Handle excess precision in return value.
7377         (build_binary_op): Handle excess precision in operands and add
7378         excess precision as needed for operation.
7379         * common.opt (-fexcess-precision=): New option.
7380         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7381         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7382         For standard excess precision, output explicit conversion to and
7383         truncation from XFmode.
7384         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7385         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7386         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7387         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7388         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7389         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7390         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7391         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7392         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7393         define_splits, sqrt<mode>2): Disable where appropriate for
7394         standard excess precision.
7395         * convert.c (convert_to_real): Do not shorten arithmetic to type
7396         for which excess precision would be used.
7397         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7398         * doc/invoke.texi (-fexcess-precision=): Document option.
7399         (-mfpmath=): Correct index entry.
7400         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7401         flag_excess_precision): New.
7402         * langhooks.c (lhd_post_options): Set
7403         flag_excess_precision_cmdline.
7404         * opts.c (common_handle_option): Handle -fexcess-precision=.
7405         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7406         init_excess_precision): New.
7407         (lang_dependent_init_target): Call init_excess_precision.
7408         * tree.c (excess_precision_type): New.
7409         * tree.h (excess_precision_type): Declare.
7410
7411 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7412
7413         PR c/35235
7414         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7415         non-lvalue to component.
7416
7417 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7418
7419         PR preprocessor/34695
7420         * Makefile.in (c-opts.o): Depend on c-tree.h.
7421         * c-common.c: Move down include of diagnostic.h.
7422         (done_lexing, c_cpp_error): New.
7423         * c-common.h (done_lexing): Declare.
7424         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7425         (parse_in).
7426         * c-opts.c: Include c-tree.h.
7427         (c_common_init_options): Set preprocessor error callback.
7428         (c_common_handle_option): Do not set preprocessor
7429         inhibit_warnings, warnings_are_errors, warn_system_headers,
7430         pedantic_errors or inhibit_warnings flags.
7431         (c_common_post_options): Do not check cpp_errors (parse_in).
7432         (c_common_finish): Do not output dependencies if there were
7433         errors.  Do not check return value of cpp_finish.
7434         * c-ppoutput.c (pp_file_change): Set input_location.
7435         * c-tree.h (c_cpp_error): Declare.
7436         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7437         override_column.
7438         (diagnostic_build_prefix): Check override_column.
7439         * diagnostic.h (diagnostic_info): Add override_column field.
7440         (diagnostic_override_column): Define.
7441
7442 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7443
7444         * c-common.c (c_expand_expr, c_staticp): Remove.
7445         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7446         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7447         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7448         * c-gimplify.c (gimplify_compound_literal_expr,
7449         optimize_compound_literals_in_ctor): Remove.
7450         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7451         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7452         * c-semantics.c (emit_local_var): Remove.
7453
7454         * langhooks-def.h (lhd_expand_expr): Remove.
7455         * langhooks.c (lhd_expand_expr): Remove.
7456         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7457
7458         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7459         handling from c-semantics.c; don't call into langhook.
7460         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7461         * gimplify.c (gimplify_compound_literal_expr,
7462         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7463         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7464         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7465         as was done in c-gimplify.c.
7466         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7467         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7468         Move from c-common.h.
7469         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7470
7471         * tree.c (staticp): Do not call langhook.
7472         * langhooks.c (lhd_staticp): Delete.
7473         * langhooks-def.h (lhd_staticp): Delete prototype.
7474         (LANG_HOOKS_STATICP): Delete.
7475         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7476
7477         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7478         instead of DECL_STMTs.
7479
7480 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7481
7482         PR c/456
7483         PR c/5675
7484         PR c/19976
7485         PR c/29116
7486         PR c/31871
7487         PR c/35198
7488         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7489         void_type_node.
7490         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7491         contained expression.
7492         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7493         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7494         conditional expressions for C.
7495         (decl_constant_value_for_optimization): Move from
7496         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7497         whether optimizing and that the expression is a VAR_DECL not of
7498         array type instead of doing such checks in the caller.  Do not
7499         check pedantic.  Call gcc_unreachable for C++.
7500         * c-common.def (C_MAYBE_CONST_EXPR): New.
7501         * c-common.h (c_fully_fold, c_save_expr,
7502         decl_constant_value_for_optimization): New prototypes.
7503         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7504         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7505         EXPR_INT_CONST_OPERANDS): Define.
7506         * c-convert.c (convert): Strip nops from expression.
7507         * c-decl.c (groktypename): Take extra parameters expr and
7508         expr_const_operands.  Update call to grokdeclarator.
7509         (start_decl): Update call to grokdeclarator.  Add statement for
7510         expressions used in type of decl.
7511         (grokparm): Update call to grokdeclarator.
7512         (push_parm_decl): Update call to grokdeclarator.
7513         (build_compound_literal): Add parameter non_const and build a
7514         C_MAYBE_COSNT_EXPR if applicable.
7515         (grokdeclarator): Take extra parameters expr and
7516         expr_const_operands.  Track expressions used in declaration
7517         specifiers and declarators.  Fold array sizes and track whether
7518         they are constant expressions and whether they are integer
7519         constant expressions.
7520         (parser_xref_tag): Set expr and expr_const_operands fields in
7521         return value.
7522         (grokfield): Update call to grokdeclarator.
7523         (start_function): Update call to grokdeclarator.
7524         (build_null_declspecs): Set expr and expr_const_operands fields in
7525         return value.
7526         (declspecs_add_type): Handle expressions in typeof specifiers.
7527         * c-parser.c (c_parser_declspecs): Set expr and
7528         expr_const_operands fields for declaration specifiers.
7529         (c_parser_enum_specifier): Likewise.
7530         (c_parser_struct_or_union_specifier): Likewise.
7531         (c_parser_typeof_specifier): Likewise.  Update call to
7532         groktypename.  Fold expression as needed.  Return expressions with
7533         type instead of adding statements.
7534         (c_parser_attributes): Update calls to c_parser_expr_list.
7535         (c_parser_statement_after_labels): Fold expression before passing
7536         to objc_build_throw_stmt.
7537         (c_parser_condition): Fold expression.
7538         (c_parser_asm_operands): Fold expression.
7539         (c_parser_conditional_expression): Use c_save_expr.  Update call
7540         to build_conditional_expr.
7541         (c_parser_alignof_expression): Update call to groktypename.
7542         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7543         original_code.  Fold expression argument of va_arg.  Create
7544         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7545         argument to va_arg.  Update calls to groktypename.  Fold array
7546         index for offsetof.  Verify that first argument to
7547         __builtin_choose_expr has integer type.
7548         (c_parser_postfix_expression_after_paren_type): Update calls to
7549         groktypename and build_compound_literal.  Handle expressions with
7550         side effects in type name.
7551         (c_parser_postfix_expression_after_primary): Update call to
7552         c_parser_expr_list.  Set original_code for calls to
7553         __builtin_constant_p.
7554         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7555         expressions if requested.
7556         (c_parser_objc_type_name): Update call to groktypename.
7557         (c_parser_objc_synchronized_statement): Fold expression.
7558         (c_parser_objc_receiver): Fold expression.
7559         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7560         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7561         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7562         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7563         (struct c_typespec): Add elements expr and expr_const_operands.
7564         (struct c_declspecs): Add elements expr and expr_const_operands.
7565         (groktypename, build_conditional_expr, build_compound_literal):
7566         Update prototypes.
7567         (in_late_binary_op): Declare.
7568         * c-typeck.c (note_integer_operands): New function.
7569         (in_late_binary_op): New variable.
7570         (decl_constant_value_for_broken_optimization): Move to c-common.c
7571         and rename to decl_constant_value_for_optimization.
7572         (default_function_array_conversion): Do not strip nops.
7573         (default_conversion): Do not call
7574         decl_constant_value_for_broken_optimization.
7575         (build_array_ref): Do not fold result.
7576         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7577         result when operand is a VLA.
7578         (c_expr_sizeof_type): Update call to groktypename.  Handle
7579         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7580         result when operand names a VLA type.
7581         (build_function_call): Update call to build_compound_literal.
7582         Only fold result for calls to __builtin_* functions.  Strip
7583         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7584         the function designator.
7585         (convert_arguments): Fold arguments.  Update call to
7586         convert_for_assignment.
7587         (build_unary_op): Handle increment and decrement of
7588         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7589         decrement earlier.  Fold operand of increment and decrement.
7590         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7591         built for integer operand.  Wrap returns that are INTEGER_CSTs
7592         without being integer constant expressions or that have integer
7593         constant operands without being INTEGER_CSTs.
7594         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7595         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7596         result is an integer constant expression or can be used in
7597         unevaluated parts of one and avoid folding and wrap as
7598         appropriate.  Fold operands before possibly doing -Wsign-compare
7599         warnings.
7600         (build_compound_expr): Wrap result for C99 if operands can be used
7601         in integer constant expressions.
7602         (build_c_cast): Update call to digest_init.  Do not ignore
7603         overflow from casting floating-point constants to integers.  Wrap
7604         results that could be confused with integer constant expressions,
7605         null pointer constants or floating-point constants.
7606         (c_cast_expr): Update call to groktypename.  Handle expressions
7607         included in type name.
7608         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7609         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7610         Update calls to convert_for_assignment.
7611         (convert_for_assignment): Take new parameter
7612         null_pointer_constant.  Do not strip nops or call
7613         decl_constant_value_for_broken_optimization.  Set
7614         in_late_binary_op for conversions to boolean.
7615         (store_init_value): Update call to digest_init.
7616         (digest_init): Take new parameter null_pointer_constant.  Do not
7617         call decl_constant_value_for_broken_optimization.  pedwarn for
7618         initializers not constant expressions.  Update calls to
7619         convert_for_assignment.
7620         (constructor_nonconst): New.
7621         (struct constructor_stack): Add nonconst element.
7622         (really_start_incremental_init, push_init_level, pop_init_level):
7623         Handle constructor_nonconst and nonconst element.
7624         (set_init_index): Call constant_expression_warning for array
7625         designators.
7626         (output_init_element): Fold value.  Set constructor_nonconst as
7627         applicable.  pedwarn for initializers not constant expressions.
7628         Update call to digest_init.  Call constant_expression_warning
7629         where constant initializers are required.
7630         (process_init_element): Use c_save_expr.
7631         (c_finish_goto_ptr): Fold expression.
7632         (c_finish_return): Fold return value.  Update call to
7633         convert_for_assignment.
7634         (c_start_case): Fold switch expression.
7635         (c_process_expr_stmt): Fold expression.
7636         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7637         ensure statement expression is not evaluated in constant expression.
7638         (build_binary_op): Track whether results are integer constant
7639         expressions or may occur in such, disable folding and wrap results
7640         as applicable.  Fold operands for -Wsign-compare warnings unless
7641         in_late_binary_op.
7642         (c_objc_common_truthvalue_conversion): Handle results folded to
7643         integer constants that are not integer constant expressions.
7644         * doc/extend.texi: Document when typeof operands are evaluated,
7645         that condition of __builtin_choose_expr is an integer constant
7646         expression, and more about use of __builtin_constant_p in
7647         initializers.
7648
7649 2009-03-29  Richard Guenther  <rguenther@suse.de>
7650
7651         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7652         propagate addresses of array references.
7653
7654 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7655
7656         * regmove.c (perhaps_ends_bb_p): Remove.
7657         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7658         from INSN and check that the main loop stays within that basic block.
7659         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7660         (regmove_forward_pass): Split out from regmove_optimize.  Use
7661         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7662         (regmove_backward_pass): Split out from regmove_optimize.  Use
7663         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7664         (regmove_optimize): Simplify.
7665
7666 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7667
7668         PR target/39545
7669         * config/i386/i386.c (classify_argument): Ignore flexible array
7670         member in struct and warn ABI change.
7671
7672 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7673
7674         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7675
7676         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7677         (ix86_adjust_cost): Updated.
7678
7679 2009-03-29  Jan Hubicka  <jh@suse.cz>
7680
7681         PR middle-end/28850
7682         * tree-pass.h (pass_cleanup_eh): New function.
7683         (remove_unreachable_regions): Break code handling RTL
7684         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7685         that can not be reached by runtime.
7686         (can_be_reached_by_runtime): New function.
7687         (label_to_region_map): New function.
7688         (num_eh_regions): New function.
7689         (rtl_remove_unreachable_regions): New function.
7690         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7691         (remove_eh_region): New function.
7692         * except.h: Include sbitmap and vecprim.
7693         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7694         num_eh_regions): Declare.
7695         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7696         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7697         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7698         (tree_empty_eh_handler_p): New function.
7699         (cleanup_empty_eh): New function.
7700         (cleanup_eh): New function.
7701         (pass_cleanup_eh): New function.
7702
7703 2009-03-29  Jan Hubicka  <jh@suse.cz>
7704
7705         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7706         for removed regions.
7707
7708 2009-03-29  Jan Hubicka  <jh@suse.cz>
7709
7710         * except.c (dump_eh_tree): Dump all datastructures.
7711
7712 2009-03-29  Jan Hubicka  <jh@suse.cz>
7713
7714         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7715         (duplicate_eh_regions_1): Likewise.
7716         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7717         vector; call EH verification.
7718         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7719         Be ready for region being removed.
7720
7721 2009-03-29  Jan Hubicka  <jh@suse.cz>
7722
7723         * bitmap.c (bitmap_last_set_bit): New function.
7724         * bitmap.h (bitmap_last_set_bit): Declare.
7725
7726 2009-03-29  David Ayers  <ayers@fsfe.org>
7727
7728         PR objc/27377
7729         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7730         by calling objc_compare_types and surpress warnings about
7731         incompatible C pointers that are compatible ObjC pointers.
7732
7733 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7734
7735         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7736         call initialize_inline_failed.
7737         (initialize_inline_failed): Move it from here ...
7738         * cgraph.c (initialize_inline_failed): ... to here.
7739         (cgraph_create_edge): Call initialize_inline_failed rather than
7740         setting inline_failed directly.
7741
7742 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7743
7744         PR target/32542
7745         * sysv4.opt (msdata): Improve comment.
7746         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7747         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7748
7749 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7750
7751         PR target/30451
7752         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7753         load and store attributes.
7754
7755 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7756
7757         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7758         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7759         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7760         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7761         __builtin_infq and __builtin_huge_valq.
7762
7763 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7764
7765         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7766         atmega8m1 devices.
7767         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7768         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7769
7770 2009-03-28  Xinliang David Li  <davidxl@google.com>
7771
7772         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7773         (do_dbg_cnt): New function.
7774
7775 2009-03-28  Jan Hubicka  <jh@suse.cz>
7776
7777         Merge from pretty-ipa:
7778
7779         2009-03-27  Jan Hubicka  <jh@suse.cz>
7780
7781         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7782         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7783         * passes.c (function_called_by_processed_nodes_p): New.
7784         * ipa-pure-const.c (check_call): Fix handling of operands.
7785         (analyze_function): Dump debug output for skipped bodies.
7786         (local_pure_const): Use function_called_by_processed_nodes_p.
7787         * dwarf2out.c (reference_to_unused): Use output.
7788         * passes.c (do_per_function_toporder): Likewise.
7789
7790         2008-11-12  Jan Hubicka  <jh@suse.cz>
7791
7792         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7793         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7794         state_set_in_source enum
7795         (check_decl): Ignore memory tags; do not set fake looping flags;
7796         dump diagnostics.
7797         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7798         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7799         (check_call, analyze_function): Rewrite.
7800         (check_stmt): New.
7801         (add_new_function): Update call of analyze_function.
7802         (generate_summary): Add call of analyze_function.
7803         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7804         (local_pure_const): New function.
7805         (pass_local_pure_const): New pass.
7806         * ipa-inline.c (inline_transform): Set after_inlining.
7807         * tree-eh.c (stmt_can_throw_external): New.
7808         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7809         work with aliasing built.
7810         * tree-flow.h (stmt_can_throw_external): New.
7811         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7812         and local pure/const pass in early and late optimization queue.
7813
7814 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7815
7816         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7817         allow_func_align.
7818         (fold_binary): Allow function decl aligment consideration is the
7819         second argument is integer constant one.
7820         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7821         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7822         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7823
7824 2009-03-28  Jan Hubicka  <jh@suse.cz>
7825
7826         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7827         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7828         * function.h (rtl_data): Add nothrow flag.
7829         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7830         set DECL_NOTHROW for AVAILABLE functions.
7831
7832 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7833
7834         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7835         following vector keyword has expansion starting with pixel or bool
7836         keyword, expand vector to __vector and pixel or bool to __pixel or
7837         __bool.
7838
7839         PR c++/39554
7840         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7841         warn_if_disallowed_function_p): Removed.
7842         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7843         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7844         warning_if_disallowed_function_p.
7845         * flags.h (warn_if_disallowed_function_p,
7846         warn_disallowed_functions): Removed.
7847         * common.opt (Wdisallowed-function-list=): Removed.
7848         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7849
7850 2009-03-28  Richard Guenther  <rguenther@suse.de>
7851
7852         PR tree-optimization/38723
7853         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7854         the entry block.
7855
7856 2009-03-28  Jan Hubicka  <jh@suse.cz>
7857
7858         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7859         test introduced by my previous patch.
7860
7861 2009-03-28  Richard Guenther  <rguenther@suse.de>
7862
7863         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7864         the PHIs value undefined.
7865
7866 2009-03-28  Jan Hubicka  <jh@suse.cz>
7867
7868         * tree-pass.h (pass_fixup_cfg): New pass.
7869         * ipa-inline.c (inline_transform): Set
7870         always_inline_functions_inlined/after_inlining.
7871         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7872         (pass_fixup_cfg): New pass.
7873         * passes.c (init_optimization_passes): Add fixup_cfg.
7874
7875 2009-03-28  Richard Guenther  <rguenther@suse.de>
7876
7877         PR tree-optimization/38458
7878         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7879         argument use the arguments copy-of value.
7880
7881 2009-03-28  Richard Guenther  <rguenther@suse.de>
7882
7883         PR tree-optimization/38180
7884         * tree-ssa-ccp.c (get_default_value): Simplify.
7885         (likely_value): Likewise.
7886         (surely_varying_stmt_p): Properly handle VOP case.
7887         (ccp_initialize): Likewise.
7888         (ccp_fold): Handle propagating through *&.
7889         (fold_const_aggregate_ref): Also handle decls.
7890
7891 2009-03-28  Jan Hubicka  <jh@suse.cz>
7892
7893         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7894         * cgraph.h (cgraph_node): Likewise.
7895         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7896         (cgraph_reset_node): Use process flag.
7897         (cgraph_mark_functions_to_output): Likewise.
7898         (cgraph_expand_function): Likewise.
7899         (cgraph_expand_all_functions): Likewise.
7900         (cgraph_output_in_order): Likewise.
7901         * dwarf2out.c (reference_to_unused): Likewise.
7902         * passes.c do_per_function_toporder): Likewise.
7903
7904 2009-03-28  Jan Hubicka  <jh@suse.cz>
7905
7906         Bring from lto-branch:
7907
7908         2008-09-03  Doug Kwan  <dougkwan@google.com>
7909
7910         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7911         enums instead of reason strings.
7912         * cgraph.c (cgraph_create_edge): Same.
7913         (cgraph_inline_failed_string): New function.
7914         * cgraph.h (cgraph_inline_failed_t): New enum type.
7915         (cgraph_inline_failed_string): New prototype.
7916         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7917         char pointer to cgraph_inline_failed_t.
7918         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7919         (cgraph_default_inline_p): Ditto.
7920         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7921         to cgraph_inline_failed_t pointer.
7922         * cif-code.def: New file.
7923         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7924         reason string.
7925         (cgraph_check_inline_limits): Change type of REASON to pointer to
7926         cgraph_inline_failed_t.  Replace reason strings with enums.
7927         (cgraph_default_inline_p): Ditto.
7928         (cgraph_recursive_inlining_p): Ditto.
7929         (update_caller_keys): Change type of FAILED_REASON to
7930         cgraph_inline_failed_t.
7931         (cgraph_set_inline_failed): Change type of REASON to pointer to
7932         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7933         convert enums to strings for text output.
7934         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7935         to be of type cgraph_inline_failed_t.  Replace reason strings with
7936         enums.  Call cgraph_inline_failed_string to covert enums
7937         to strings for text output.
7938         (cgraph_decide_inlining): Replace reason strings with enums.
7939         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7940         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7941         for text output.
7942         * tree-inline.c (expand_call_inline): Change type of REASON
7943         to cgraph_inline_failed_t.  Replace reason strings with enums.
7944         Call cgraph_inline_failed_string for text output.
7945         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7946         (cgraph.o): Ditto.
7947
7948 2009-03-28  Jan Hubicka  <jh@suse.cz>
7949
7950         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7951         cgraph_clone_node): Remove master clone handling.
7952         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7953         * cgraph.h (master_clone): Remove.
7954         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7955         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7956         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7957
7958 2009-03-28  Jan Hubicka  <jh@suse.cz>
7959
7960         * cgraph.c (cgraph_function_body_availability): Functions declared
7961         inline are always safe to assume that it is not going to be replaced.
7962
7963 2009-03-28  Richard Guenther  <rguenther@suse.de>
7964
7965         PR tree-optimization/38513
7966         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7967         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7968         EXC_PTR_EXPR and FILTER_EXPR.
7969         (get_ref_from_reference_ops): Likewise.
7970
7971 2009-03-28  Richard Guenther  <rguenther@suse.de>
7972
7973         PR tree-optimization/38968
7974         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7975         Use FLOOR_MOD_EXPR to compute misalignment.
7976
7977 2009-03-28  Richard Guenther  <rguenther@suse.de>
7978
7979         PR tree-optimization/37795
7980         * tree.h (combine_comparisons): Declare.
7981         * fold-const.c (combine_comparisons): Export.
7982         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7983         comparisons.
7984         (ifcombine_iforif): Use combine_comparisons.
7985
7986 2009-03-28  Jan Hubicka  <jh@suse.cz>
7987
7988         * tree-eh.c (inlinable_call_p): New function.
7989         (make_eh_edges): Use it.
7990         (verify_eh_edges): Use it.
7991         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
7992         * except.c (reachable_next_level): Add inlinable_function argument
7993         (sjlj_find_directly_reachable_regions): Update.
7994         (add_reachable_handler): Do not set saw_any_handlers.
7995         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
7996         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7997         Add new inlinable call parameter.
7998         (can_throw_internal, can_throw_external): Update.
7999         * except.h (can_throw_internal_1, can_throw_external_1,
8000         foreach_reachable_handler): Update declaration.
8001
8002 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8003
8004         * config/arm/t-arm-coff, config/h8300/coff.h,
8005         config/i386/i386-aout.h, config/i386/i386-coff.h,
8006         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8007         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8008         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8009         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8010         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8011         sys-types.h: Remove.
8012         * Makefile.in: Remove protoize and fixproto support and references
8013         in comments.
8014         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8015         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8016         Remove.
8017         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8018         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8019         unprotoize$(exeext).
8020         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8021         (.PHONY): Don't depend on proto.
8022         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8023         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8024         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8025         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8026         build/gen-protos.o, build/scan.o, xsys-protos.h,
8027         build/fix-header$(build_exeext), build/fix-header.o,
8028         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8029         stmp-install-fixproto): Remove.
8030         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8031         SYSCALLS.c or fixproto files.
8032         (install-common): Don't install protoize.
8033         (install-headers-tar, install-headers-cpio, install-headers-cp):
8034         Don't depend on $(STMP_FIXPROTO).
8035         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8036         install fixproto files or write out fixproto settings.
8037         (uninstall): Don't uninstall protoize.
8038         * config.gcc (use_fixproto): Remove.
8039         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8040         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8041         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8042         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8043         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8044         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8045         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8046         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8047         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8048         * config/t-vxworks (STMP_FIXPROTO): Remove.
8049         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8050         STMP_FIXPROTO): Remove.
8051         * config.in, configure: Regenerate.
8052         * crtstuff.c (gid_t, uid_t): Don't undefine.
8053         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8054         (arm-*-coff, arm-*-aout: Remove target entries.
8055         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8056         Remove mention of AIX 4.1.
8057         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8058         * doc/invoke.texi (Running Protoize): Remove.
8059         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8060         (Protoize Caveats): Remove.
8061         * tsystem.h: Update comments on headers assumed to exist.
8062
8063 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8064
8065         * genautomata.c: Add a new year to the copyright.  Add a new
8066         reference.
8067         (struct insn_reserv_decl): Add comments for member bypass_list.
8068         (find_bypass): Remove.
8069         (insert_bypass): New.
8070         (process_decls): Use insert_bypass.
8071         (output_internal_insn_latency_func): Output all bypasses with the
8072         same input insn in one switch case.
8073
8074         * rtl.def (define_bypass): Describe bypass choice.
8075         * doc/md.texi (define_bypass): Ditto.
8076
8077 2009-03-27  Richard Guenther  <rguenther@suse.de>
8078
8079         * gimplify.c (mark_addressable): Export.
8080         * tree-flow.h (mark_addressable): Declare.
8081         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8082         * tree-ssa.c (verify_phi_args): Verify that address taken
8083         variables have TREE_ADDRESSABLE set.
8084
8085 2009-03-27  Richard Guenther  <rguenther@suse.de>
8086
8087         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8088         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8089         Do not mark decls TREE_ADDRESSABLE.
8090         (build_fold_addr_expr): Adjust.
8091         (fold_addr_expr): Remove.
8092         (fold_unary): Use build_fold_addr_expr.
8093         (fold_comparison): Likewise.
8094         (split_address_to_core_and_offset): Likewise.
8095         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8096         TREE_ADDRESSABLE.
8097         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8098         (gimplify_modify_expr_to_memcpy): Mark source and destination
8099         addressable.
8100         * omp-low.c (create_omp_child_function): Mark the object decl
8101         TREE_ADDRESSABLE.
8102         (lower_rec_input_clauses): Mark the var we take the address of
8103         TREE_ADDRESSABLE.
8104         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8105
8106 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8107
8108         PR middle-end/39315
8109         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8110         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8111
8112 2009-03-27  Richard Guenther  <rguenther@suse.de>
8113
8114         PR tree-optimization/39120
8115         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8116         constraints.
8117         (handle_lhs_call): Process return constraints.  Add escape
8118         constraints if necessary.
8119         (handle_const_call): Fill out return constraints.  Make nested
8120         case more precise.  Avoid consttmp if possible.
8121         (handle_pure_call): Fill out return constraints.  Avoid
8122         callused if possible.
8123         (find_func_aliases): Simplify call handling.
8124
8125 2009-03-27  Richard Guenther  <rguenther@suse.de>
8126
8127         PR tree-optimization/39120
8128         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8129         as a representative.
8130         (solve_graph): Do propagate CALLUSED.
8131         (handle_pure_call): Use a scalar constraint from CALLUSED for
8132         the return value.
8133         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8134         solutions.
8135
8136 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8137
8138         PR c/39323
8139         * c-common.c (handle_aligned_attribute): Properly check alignment
8140         overflow.  Use (1U << i) instead of (1 << i).
8141
8142         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8143
8144         * expr.h (get_mem_align_offset): Updated.
8145
8146         * tree.h (tree_decl_common): Change align to "unsigned int" and
8147         move it before pointer_alias_set.
8148
8149 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8150             Jakub Jelinek  <jakub@redhat.com>
8151
8152         PR target/38034
8153         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8154         gr_register_operand with gr_reg_or_0_operand.
8155         (cmpxchg_rel_di): Likewise.
8156         (sync_lock_test_and_set<mode>): Likewise.
8157
8158 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8159
8160         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8161         (true_regnum): Likewise.
8162
8163         * rtlanal.c (subreg_info): Moved to ...
8164         * rtl.h (subreg_info): Here.  New.
8165         (subreg_get_info): New.
8166
8167         * rtlanal.c (subreg_get_info): Make it extern.
8168
8169 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8170
8171         PR target/39472
8172         * config/i386/i386.c (ix86_abi): New.
8173         (override_options): Handle -mabi=.
8174         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8175         (ix86_call_abi_override): Likewise.
8176         (init_cumulative_args): Likewise.
8177         (function_arg_advance): Likewise.
8178         (function_arg_64): Likewise.
8179         (function_arg): Likewise.
8180         (ix86_pass_by_reference): Likewise.
8181         (ix86_function_value_regno_p): Likewise.
8182         (ix86_build_builtin_va_list_abi): Likewise.
8183         (setup_incoming_varargs_64): Likewise.
8184         (is_va_list_char_pointer): Likewise.
8185         (ix86_init_machine_status): Likewise.
8186         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8187         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8188         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8189         (ix86_function_abi): Make it static and return enum calling_abi.
8190         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8191         with ix86_abi.
8192         (ix86_fn_abi_va_list): Updated.
8193
8194         * config/i386/i386.h (ix86_abi): New.
8195         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8196         (CONDITIONAL_REGISTER_USAGE): Likewise.
8197         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8198         (machine_function): Likewise.
8199
8200         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8201         with ix86_abi.
8202         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8203         (STACK_BOUNDARY): Likewise.
8204         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8205
8206         * config/i386/i386.opt (mabi=): New.
8207
8208         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8209         return enum calling_abi.
8210         (ix86_function_type_abi): Likewise.
8211         (ix86_function_abi): Removed.
8212
8213         * doc/invoke.texi: Document -mabi= option for x86.
8214
8215 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8216
8217         * builtins.c (real_dconstp): Delete.
8218         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8219
8220 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8221             Jakub Jelinek  <jakub@redhat.com>
8222
8223         PR debug/37959
8224         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8225         (gen_subprogram_die): When a function is explicit, generate the
8226         DW_AT_explicit attribute.
8227         * langhooks.h (struct lang_hooks_for_decls): Add
8228         function_decl_explicit_p langhook.
8229         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8230         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8231
8232 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8233
8234         * builtins.c (fold_builtin_memory_op): Optimize memmove
8235         into memcpy if we can prove source and destination don't overlap.
8236
8237         * tree-inline.c: Include gt-tree-inline.h.
8238         (clone_fn_id_num): New variable.
8239         (clone_function_name): New function.
8240         (tree_function_versioning): Use it.
8241         * Makefile.in (GTFILES): Add tree-inline.c.
8242
8243 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8244
8245         * BASE-VER: Change to 4.5.0.
8246
8247 2009-03-27  Xinliang David Li  <davidxl@google.com>
8248
8249         PR tree-optimization/39557
8250         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8251
8252 2009-03-27  Xinliang David Li  <davidxl@google.com>
8253
8254         PR tree-optimization/39548
8255         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8256         candidate check.
8257
8258 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8259
8260         * c-common.c (pointer_int_sum): Use %wd on return from
8261         tree_low_cst.
8262
8263 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8264
8265         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8266         on return from tree_low_cst.
8267
8268 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8269
8270         PR c++/36799
8271         * ginclude/stdarg.h (va_copy): Define also for
8272         __GXX_EXPERIMENTAL_CXX0X__.
8273
8274 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8275
8276         PR c++/35652
8277         * builtins.h (c_strlen): Do not warn here.
8278         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8279         * c-common.c (pointer_int_sum): Take an explicit location.
8280         Warn about offsets out of bounds.
8281         * c-common.h (pointer_int_sum): Adjust declaration.
8282
8283 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8284
8285         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8286         markup glitch.
8287
8288 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8289
8290         PR c++/39554
8291         * opts.c (warn_if_disallowed_function_p): Don't assume
8292         get_callee_fndecl must return non-NULL.
8293
8294 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8295
8296         PR rtl-optimization/39522
8297         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8298         when reg_reloaded_valid is set.
8299
8300 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8301
8302         * config/spu/divv2df3.c: New file.
8303         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8304         (DPBIT_FUNCS): Filter out _div_df.
8305
8306 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8307
8308         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8309         a jump insn, count that jump in the distance to the loop start.
8310
8311 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8312
8313         PR target/39523
8314         * config/sh/sh.c (calc_live_regs): Fix condition for global
8315         registers except PIC_OFFSET_TABLE_REGNUM.
8316
8317 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8318
8319         PR/39518
8320         * doc/invoke.texi (-mconsole): New.
8321         (-mcygwin): New.
8322         (-mno-cygwin): New.
8323         (-mdll): New.
8324         (-mnop-fun-dllimport): New.
8325         (-mthread): New.
8326         (-mwin32): New.
8327         (-mwindows): New.
8328         (sub section "i386 and x86-64 Windows Options"): New.
8329
8330 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8331
8332         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8333         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8334
8335 2009-03-25  Richard Guenther  <rguenther@suse.de>
8336
8337         PR middle-end/39497
8338         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8339         of -Wno-error.
8340
8341 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8342
8343         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8344         neither of haifa/selective schedulers are working.
8345
8346 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8347
8348         * doc/invoke.texi (Debugging Options): Fix description of
8349         -fno-merge-debug-strings.
8350
8351 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8352
8353         * config/cris/libgcc.ver: New version-script.
8354         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8355
8356         * configure.ac <GAS features, nop mnemonic>: Add pattern
8357         crisv32-*-* for "nop".
8358         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8359         * configure: Regenerate.
8360
8361 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8362
8363         PR tree-optimization/39529
8364         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8365         mark_sym_for_renaming for the tag copied to the new vector
8366         pointer.
8367
8368 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8369
8370         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8371         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8372         EXTRA_SPEC_FUNCTIONS.
8373         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8374         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8375         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8376         -march and -mtune options.
8377
8378 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8379
8380         * config/m68k/t-rtems: Add m5329 multilib.
8381
8382 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8383             Jakub Jelinek  <jakub@redhat.com>
8384
8385         PR debug/39524
8386         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8387         nodes.
8388
8389 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8390
8391         PR c/39495
8392         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8393         instead of c_parser_expression_conv, if original_code isn't one of the
8394         4 allowed comparison codes, fail.
8395
8396 2009-03-23  Richard Guenther  <rguenther@suse.de>
8397
8398         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8399         * tree.h (struct tree_type): Likewise.
8400         * reload.h (struct insn_chain): Likewise.
8401         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8402         * function.h (struct function): Likewise.
8403         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8404
8405 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8406
8407         PR tree-optimization/39516
8408         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8409
8410 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8411
8412         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8413         should be set true if BITS_PER_WORD of target is bigger than 32
8414
8415 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8416
8417         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8418         Translate -B-options to -rpath-link.  Correct existing
8419         rpath-link and conditionalize on !nostdlib.
8420
8421 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8422
8423         * doc/extend.texi (Function Attributes, Variable Attributes):
8424         Fix typos.
8425         * doc/invoke.texi (Debugging Options, Optimize Options)
8426         (i386 and x86-64 Options, MCore Options): Likewise.
8427
8428 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8429
8430         PR debug/37890
8431         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8432         it for block local namespace aliases.
8433         (gen_decl_die): Pass context_die to gen_namespace_die.
8434
8435 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8436
8437         PR c/39495
8438         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8439         minimum or maximum value.
8440
8441 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8442
8443         * reginfo.c (globalize_reg): Recompute derived reg sets.
8444
8445 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8446
8447         PR target/39063
8448         * libgcc2.c (mprotect): Do not use signed arguments for
8449         VirtualProtect, use DWORD arguments.  Also fix the 'may
8450         be used uninitialized' warning for the np variable.
8451
8452 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8453
8454         PR target/39496
8455         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8456         functions using regparm calling conventions when not optimizing.
8457         (ix86_function_sseregparm): Similarly for sseregparm calling
8458         conventions.
8459
8460 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8461
8462         PR middle-end/39500
8463         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8464         dependence if the first conflict is after niter iterations.
8465
8466 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8467
8468         PR middle-end/38609
8469         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8470         functions with dynamic stack-pointer adjustments.
8471
8472 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8473
8474         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8475         option; change to -msdata=data.
8476
8477 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8478
8479         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8480         and -fopenmp.
8481
8482 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8483
8484         PR target/35180
8485         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8486
8487 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8488
8489         * doc/invoke.texi (Code Gen Options): Expand discussion of
8490         -fno-common.
8491
8492 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8493
8494         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8495         * matrix-reorg.c (struct matrix_info): Likewise.
8496         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8497         * rtl.h (struct mem_attrs): Likewise.
8498         * df.h (struct df): Likewise.
8499         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8500         * ira-int.h (struct ira_allocno): Likewise.
8501         * df-scan.c (struct df_collection_rec): Likewise.
8502         * ira.c (struct equivalence): Likewise.
8503         * function.c (struct temp_slot): Likewise.
8504         * cfgloop.h (struct loop): Likewise.
8505
8506         PR debug/39485
8507         * function.c (use_register_for_decl): When not optimizing, disregard
8508         register keyword for variables with types containing methods.
8509
8510 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8511
8512         PR middle-end/39447
8513         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8514         (is_simple_operand): Call contains_component_ref_p before calling data
8515         reference analysis that would fail on COMPONENT_REFs.
8516
8517         * tree-vrp.c (search_for_addr_array): Fix formatting.
8518
8519 2009-03-18  Richard Guenther  <rguenther@suse.de>
8520
8521         * tree-vect-transform.c (vect_loop_versioning): Fold the
8522         generated comparisons.
8523         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8524         (slpeel_tree_peel_loop_to_edge): Likewise.
8525
8526 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8527
8528         PR middle-end/37805
8529         * opts.c (print_specific_help): In addition to `undocumented',
8530         accept `separate' and `joined' flags if passed alone.  Describe
8531         output by the first matched one of those.
8532         (common_handle_option): Skip over empty strings.
8533         * gcc.c (display_help): Fix help string for `--help='.
8534         * doc/invoke.texi (Option Summary, Overall Options): With
8535         `--help=', classes and qualifiers can both be repeated, but
8536         only the latter can be negated.  One should not pass only
8537         negated qualifiers.  Fix markup and examples.
8538
8539         Revert
8540         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8541         PR middle-end/37805
8542         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8543         and -fhelp=separate.
8544
8545 2009-03-17  Jing Yu  <jingyu@google.com>
8546
8547         PR middle-end/39378
8548         * function.h (struct rtl_data): Move is_thunk from here...
8549         (struct function): ...to here.
8550         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8551         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8552         cfun.
8553         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8554         cfun.
8555         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8556         (alpha_output_function_end_prologue): Likewise.
8557         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8558         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8559         (rs6000_output_function_epilogue): Likewise.
8560         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8561
8562 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8563
8564         PR target/39482
8565         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8566         from different units in a single alternative.
8567         (*truncdfsf_i387): Ditto.
8568         (*truncxfsf2_mixed): Ditto.
8569         (*truncxfdf2_mixed): Ditto.
8570
8571 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8572
8573         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8574         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8575
8576         PR debug/39474
8577         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8578         unused non-artificial variables when not optimizing.
8579
8580         PR debug/39471
8581         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8582         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8583         NAMESPACE_DECL in its DECL_INITIAL.
8584
8585         PR middle-end/39443
8586         * optabs.c (set_user_assembler_libfunc): New function.
8587         * expr.h (set_user_assembler_libfunc): New prototype.
8588         * c-common.c: Include libfuncs.h.
8589         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8590         for memcmp, memset, memcpy, memmove and abort.
8591         * Makefile.in (c-common.o): Depend on libfuncs.h.
8592
8593         PR debug/39412
8594         * dwarf2out.c (gen_inlined_enumeration_type_die,
8595         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8596         gen_tagged_type_instantiation_die): Removed.
8597         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8598         do nothing.
8599
8600 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8601
8602         PR testsuite/38526
8603         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8604         its use.
8605         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8606         (check-parallel-%): Ditto.
8607         (check-consistency): Ditto.
8608
8609 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8610
8611         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8612         local variable rhs by NULL_TREE.
8613
8614 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8615
8616         PR target/39477
8617         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8618
8619 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8620
8621         PR target/39476
8622         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8623
8624 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8625
8626         PR target/39473
8627         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8628         for ms->sysv ABI calls only in 64bit mode.
8629
8630         * config/i386/i386.md (untyped_call): Support 32bit.
8631
8632 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8633
8634         * doc/extend.texi: Replace x86_65 with x86_64.
8635
8636 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8637
8638         PR tree-optimization/39455
8639         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8640         mismatches for POINTER_TYPE_P (type).
8641         (number_of_iterations_le): Likewise.
8642
8643 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8644
8645         * config/picochip/picochip.c: Removed profiling support.
8646         * config/picochip/picochip.md: Removed profiling instruction.
8647         * config/picochip/picochip.h: Removed profiling builtin.
8648
8649 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8650
8651         * doc/install.texi (--with-host-libstdcxx): Document.
8652
8653 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8654
8655         PR target/34299
8656         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8657         generate a warning if the function name does not begin with
8658         "__vector" and the function has either the 'signal' or 'interrupt'
8659         attribute, from here to ...
8660         (avr_declare_function_name): ...here. New function.
8661         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8662         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8663
8664 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8665
8666         PR bootstrap/39454
8667         * cse.c (fold_rtx): Don't modify original const_arg1 when
8668         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8669         separate variable instead.
8670         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8671         from out of range shift counts.
8672         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8673
8674 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8675
8676         * config/i386/x-mingw32 (host-mingw32.o): Replace
8677         diagnostic.h with $(DIAGNOSTIC_H).
8678
8679 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8680
8681         PR target/39431
8682         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8683         predicate.
8684         * config/i386/sync.md (sync_compare_and_swap<mode>,
8685         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8686         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8687         into a register.
8688         (sync_double_compare_and_swapdi_pic,
8689         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8690         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8691
8692 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8693
8694         PR target/39445
8695         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8696
8697 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8698
8699         PR target/39327
8700         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8701         (avx_addsubv4df3): Likewise.
8702         (*avx_addsubv4sf3): Likewise.
8703         (sse3_addsubv4sf3): Likewise.
8704
8705 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8706
8707         PR target/38824
8708         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8709
8710 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8711
8712         PR debug/39432
8713         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8714         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8715         registers for allocnos created from user-defined variables.
8716
8717 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8718
8719         PR target/39181
8720         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8721         of non-integer mode as well.
8722
8723 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8724
8725         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8726         for functions for which the parameter types are unknown.
8727
8728 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8729
8730         PR target/39137
8731         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8732         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8733         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8734         * config/i386/i386.c (ix86_local_alignment): For
8735         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8736         long long variables on the stack to avoid dynamic realignment.
8737         Allow the first argument to be a decl rather than type.
8738         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8739
8740 2009-03-11  Nick Clifton  <nickc@redhat.com>
8741
8742         PR target/5362
8743         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8744         options.
8745         Add description to mno-lsim option.
8746         * config/mcore/mcore.h: Remove comment about deprecated m4align
8747         option.
8748         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8749         * doc/invoke.texi: Add description of mno-lsim and
8750         mstack-increment options.
8751
8752         * config/fr30/fr30.opt: Document the -mno-lsim option.
8753         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8754         and -mno-lsim options.
8755
8756 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8757
8758         * fold-const.c (fold_comparison): Only call fold_inf_compare
8759         if the mode supports infinities.
8760
8761 2009-03-11  Jason Merrill  <jason@redhat.com>
8762
8763         PR debug/39086
8764         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8765         end already did.  Notice GIMPLE_CALL modifications of the result.
8766         Don't copy debug information from an ignored decl or a decl from
8767         another function.
8768
8769 2009-03-10  Richard Guenther  <rguenther@suse.de>
8770             Nathan Froyd  <froydnj@codesourcery.com>
8771
8772         PR middle-end/37850
8773         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8774         (__divMODE3): Likewise.
8775
8776 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8777
8778         PR tree-optimization/39394
8779         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8780         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8781
8782 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8783
8784         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8785         inline asms for register asm ("") declarations.
8786
8787 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8788
8789         * fold-const.c (fold_unary): Fix comment.
8790
8791 2009-03-07  Jan Hubicka  <jh@suse.cz>
8792
8793         PR target/39361
8794         * tree-inline.c (setup_one_parameter): Do replacement of const
8795         argument by constant in SSA form.
8796
8797 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8798
8799         PR middle-end/38028
8800         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8801         determine alignment passed to assign_stack_local.
8802         (assign_parms_unsplit_complex): Likewise.
8803         * except.c (sjlj_build_landing_pads): Likewise.
8804
8805 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8806
8807         PR middle-end/39360
8808         * tree-flow.h (add_referenced_var): Return bool instead of void.
8809         * tree-dfa.c (add_referenced_var): Return result of
8810         referenced_var_check_and_insert call.
8811         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8812         of referenced_var_check_and_insert.
8813
8814         PR debug/39372
8815         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8816         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8817         DIE, don't emit it if abstract origin already has it.
8818         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8819         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8820
8821 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8822
8823         * genpreds.c (needs_variable): Fix parentheses at variable name
8824         detection.
8825         (write_tm_constrs_h): Indent generated code.
8826
8827 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8828
8829         * doc/extend.texi (Function Attributes): Add documentation
8830         for isr attributes.
8831
8832 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8833
8834         PR debug/39387
8835         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8836         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8837
8838 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8839
8840         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8841         the loop as bad.
8842
8843 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8844
8845         PR debug/39379
8846         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8847         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8848
8849 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8850
8851         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8852         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8853         constants instead of magic numbers.
8854         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8855         (QI_REG_P): Ditto.
8856         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8857         (x86_64_ms_abi_int_parameter_registers): Ditto.
8858         (x86_64_int_return_registers): Ditto.
8859         (ix86_maybe_switch_abi): Ditto.
8860         (ix86_expand_call): Ditto for clobbered_registers array.
8861         (ix86_hard_regno_mode_ok): Ditto.
8862         (x86_extended_QIreg_mentioned_p): Ditto.
8863
8864 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8865
8866         PR tree-optimization/39349
8867         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8868
8869         * combine.c (gen_lowpart_for_combine): Use omode when generating
8870         clobber.
8871
8872 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8873
8874         PR rtl-optimization/39235
8875         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8876
8877 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8878
8879         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8880
8881 2009-03-04  Richard Guenther  <rguenther@suse.de>
8882
8883         PR tree-optimization/39362
8884         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8885         that occur in abnormal PHIs should be varying.
8886
8887 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8888
8889         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8890         Extend comments.
8891         (simple_iv):  Take loop as an argument instead of statement.
8892         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8893         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8894         to simple_iv.
8895         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8896         Ditto.
8897         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8898         * matrix-reorg.c (analyze_transpose): Ditto.
8899         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8900         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8901         * tree-predcom.c (ref_at_iteration): Ditto.
8902         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8903
8904 2009-03-04  Richard Guenther  <rguenther@suse.de>
8905
8906         PR tree-optimization/39358
8907         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8908         escaped_id and callused_id.
8909         (solve_graph): Likewise.
8910
8911 2009-03-04  Richard Guenther  <rguenther@suse.de>
8912
8913         PR tree-optimization/39339
8914         * tree-sra.c (try_instantiate_multiple_fields): Make it
8915         no longer ICE on the above.
8916
8917 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8918
8919         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8920         that fits within Pmode.
8921
8922 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8923
8924         PR middle-end/10109
8925         * tm.texi (LIBCALL_VALUE): Update description.
8926
8927 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8928
8929         PR middle-end/34443
8930         * doc/extend.texi (section): Update description.
8931
8932 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8933
8934         PR middle-end/39345
8935         * tree-inline.c (remapped_type): New.
8936         (can_be_nonlocal): Call remapped_type instead of remap_type.
8937
8938 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8939
8940         PR fortran/39354
8941         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8942         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8943
8944 2009-03-03  Richard Guenther  <rguenther@suse.de>
8945
8946         PR middle-end/39272
8947         * tree.c (tree_nonartificial_location): New function.
8948         * tree.h (tree_nonartificial_location): Declare.
8949         * builtins.c (expand_builtin_memory_chk): Provide location
8950         of the call location for artificial function pieces.
8951         (maybe_emit_chk_warning): Likewise.
8952         (maybe_emit_sprintf_chk_warning): Likewise.
8953         (maybe_emit_free_warning): Likewise.
8954         * expr.c (expand_expr_real_1): Likewise.
8955
8956 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8957
8958         PR tree-optimization/39343
8959         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8960         COMPONENT_REF t has ARRAY_TYPE.
8961
8962 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8963
8964         PR middle-end/39335
8965         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8966         when the type precision of the induction variable should be
8967         larger than the type precision of nit.
8968         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8969         * graphite.c (graphite_loop_normal_form): Same.
8970         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8971
8972 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8973
8974         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8975         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8976         numbers to describe clobbered registers.
8977         (*call_value_0_rex64_ms_sysv): Ditto.
8978         * config/i386/mmx.md (mmx_emms): Ditto.
8979         (mmx_femms): Ditto.
8980
8981 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8982
8983         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
8984         of ABI_64.
8985
8986 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8987
8988         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
8989         (spu_section_type_flags): New function.
8990
8991 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8992
8993         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
8994         reg_class_contents of FLOAT_REGS into a temporary.
8995
8996 2009-03-02  Richard Guenther  <rguenther@suse.de>
8997             Ira Rosen  <irar@il.ibm.com>
8998
8999         PR tree-optimization/39318
9000         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9001         information to the vectorized statement.
9002
9003 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9004
9005         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9006         variable.  Use defined names instead of magic constants for REX SSE
9007         registers.
9008
9009 2009-03-01  Richard Guenther  <rguenther@suse.de>
9010
9011         PR tree-optimization/39331
9012         * omp-low.c (lower_send_shared_vars): Do not receive new
9013         values for the reference of DECL_BY_REFERENCE parms or results.
9014
9015 2009-03-01  Jan Hubicka  <jh@suse.cz>
9016
9017         PR debug/39267
9018         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9019         BLOCK_NONLOCALIZED_VAR): New macros.
9020         (tree_block): Add nonlocalized_vars.
9021         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9022         gen_decl_die): Add origin argument.  Allow generation of die with
9023         origin at hand only.
9024         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9025         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9026         of gen_*.
9027         (gen_block_die): Fix checking for unused blocks.
9028         (process_scope_var): Break out from .... ; work with origins only.
9029         (decls_for_scope) ... here; process nonlocalized list.
9030         (dwarf2out_ignore_block): Look for nonlocalized vars.
9031         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9032         vars.
9033         (dump_scope_block): Dump them.
9034         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9035         (remap_block): Likewise.
9036         (can_be_nonlocal): New predicate.
9037         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9038
9039 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9040
9041         * configure: Regenerate.
9042
9043 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9044
9045         * optc-gen.awk: No need to duplicate option flags twice.
9046         Reuse help texts for duplicate options which do not have any.
9047
9048         * gcc.c (display_help): Document --version.
9049
9050         * gcc.c (main): If print_help_list and verbose_flag, ensure
9051         driver output comes before subprocess output.
9052
9053         * optc-gen.awk: Assign all remaining fields to help string,
9054         space-separated, for multi-line help in *.opt.
9055
9056         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9057         -Wno-pedantic-ms-format is for MinGW targets only.
9058
9059         * doc/options.texi (Option file format): Fix bad indentation,
9060         restoring dropped sentence.
9061
9062 2009-02-28  Jan Hubicka  <jh@suse.cz>
9063
9064         * tree-inline.c (tree_function_versioning): Output debug info.
9065
9066 2009-02-28  Jan Hubicka  <jh@suse.cz>
9067
9068         PR debug/39267
9069         * tree-inline.c (setup_one_parameter): Do not copy propagate
9070         arguments when not optimizing.
9071
9072 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9073
9074         PR target/39327
9075         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9076         (avx_addsubv4df3): Likewise.
9077         (*avx_addsubv4sf3): Likewise.
9078         (sse3_addsubv4sf3): Likewise.
9079         (*avx_addsubv2df3): Likewise.
9080         (sse3_addsubv2df3): Likewise.
9081         (avx_unpckhps256): Correct item selectors.
9082         (avx_unpcklps256): Likewise.
9083         (avx_unpckhpd256): Likewise.
9084         (avx_unpcklpd256): Likewise.
9085
9086 2009-02-28  Jan Hubicka  <jh@suse.cz>
9087
9088         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9089         static vars.
9090         (copy_arguments_for_versioning): If var is declared don't declare it.
9091         (tree_function_versioning): First setup substitutions and then copy
9092         args.
9093
9094 2009-02-27  Jan Hubicka  <jh@suse.cz>
9095
9096         PR debug/39267
9097         * cgraph.h (varpool_output_debug_info): Remove.
9098         * cgraphunit.c (varpool_output_debug_info): Remove.
9099         * dwarf2out.c (deferred_locations_struct): New struct
9100         (deferred_locations): New type.
9101         (deferred_locations_list): New static var.
9102         (deffer_location): New function.
9103         (gen_variable_die): Use it.
9104         (decls_for_scope): Output info on local static vars.
9105         (dwarf2out_finish): Process deferred locations.
9106         * varpool.c (varpool_output_debug_info): Remove.
9107
9108 2009-02-27  Jan Hubicka  <jh@suse.cz>
9109
9110         PR debug/39267
9111         * tree.h (TREE_PROTECTED): Fix comment.
9112         (BLOCK_HANDLER_BLOCK): Remove.
9113         (struct tree_block): Remove handler_block add body_block.
9114         (inlined_function_outer_scope_p): New.
9115         (is_body_block): Remove.
9116         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9117         * dwarf2out.c (is_inlined_entry_point): Remove.
9118         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9119         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9120         code.
9121         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9122         * gimplify.c (gimplify_expr): Gimplify body blocks.
9123         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9124         block with multiple subblocks.
9125         (dump_scope_block): Prettier output; dump more flags and info.
9126         (dump_scope_blocks): New.
9127         (remove_unused_locals): Use dump_scope_blocks.
9128         * tree-flow.h (dump_scope_blocks): Declare.
9129         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9130         * stmt.c (is_body_block): Remove.
9131         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9132         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9133
9134 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9135
9136         PR middle-end/39308
9137         * graphite.c (graphite_loop_normal_form): Do not call
9138         number_of_iterations_exit from a gcc_assert.
9139
9140 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9141
9142         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9143         jumps if COND is NULL.
9144         (find_cond_jump): New function.
9145         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9146         * config/s390/s390.md: Remove z10_cobra attribute value.
9147
9148 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9149
9150         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9151         force_const_mem returns NULL_RTX.
9152
9153 2009-02-26  Jan Hubicka  <jh@suse.cz>
9154
9155         PR debug/39267
9156         * cgraph.h (varpool_output_debug_info): Remove.
9157         * cgraphunit.c (varpool_output_debug_info): Remove.
9158         * dwarf2out.c (deferred_locations_struct): New struct
9159         (deferred_locations): New type.
9160         (deferred_locations_list): New static var.
9161         (deffer_location): New function.
9162         (gen_variable_die): Use it.
9163         (decls_for_scope): Output info on local static vars.
9164         (dwarf2out_finish): Process deferred locations.
9165         * varpool.c (varpool_output_debug_info): Remove.
9166
9167 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9168
9169         PR rtl-optimization/39241
9170         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9171         to subreg_offset_representable_p.
9172
9173 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9174
9175         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9176         execute function prototype.  Get f and nregs from max_reg_num
9177         and get_insns.  Remove the first backward pass as it's dead,
9178         guard the forward pass by flag_expensive_optimizations.
9179         (rest_of_handle_regmove): Delete.
9180         (pass_regmove): Replace it with regmove_optimize.
9181
9182 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9183
9184         PR tree-optimization/39259
9185         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9186         calls_alloca function flags.
9187         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9188         calls are detected.
9189
9190 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9191
9192         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9193         flags_set_1_rtx, flags_set_1_set): Delete.
9194         (regmove_optimize): Do not call mark_flags_life_zones.
9195
9196 2009-02-24  Julian Brown  <julian@codesourcery.com>
9197
9198         PR target/35965
9199         * config/arm/arm.c (require_pic_register): Only set
9200         cfun->machine->pic_reg once per function.
9201
9202 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9203
9204         * doc/invoke.texi (Link Options): Document an easier way to pass
9205         options that take arguments to the GNU linker using -Xlinker and -Wl.
9206
9207 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9208
9209         PR target/33785
9210         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9211
9212 2009-02-24  Richard Guenther  <rguenther@suse.de>
9213
9214         PR debug/39285
9215         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9216
9217 2009-02-24  Richard Guenther  <rguenther@suse.de>
9218             Zdenek Dvorak  <ook@ucw.cz>
9219
9220         PR tree-optimization/39233
9221         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9222         from converting them to a generic type.
9223
9224 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9225
9226         PR tree-optimization/39260
9227         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9228         contains a condition with a real type.
9229         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9230
9231 2009-02-23  Jason Merrill  <jason@redhat.com>
9232
9233         PR c++/38880
9234         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9235         narrowing_initializer_constant_valid_p.
9236         (narrowing_initializer_constant_valid_p): Don't return
9237         null_pointer_node for adding a pointer to itself.
9238
9239 2009-02-23  Jan Hubicka  <jh@suse.cz>
9240
9241         PR c/12245
9242         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9243         resizing.
9244
9245 2009-02-23  Jan Hubicka  <jh@suse.cz>
9246
9247         PR tree-optimization/37709
9248         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9249         * tree.h (block_ultimate_origin): Declare.
9250         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9251         * tree-ssa-live.c (remove_unused_scope_block_p):
9252         Eliminate blocks containig no instructions nor live variables nor
9253         nested blocks.
9254         (dump_scope_block): New function.
9255         (remove_unused_locals): Enable removal of dead blocks by default;
9256         enable dumping at TDF_DETAILS.
9257
9258 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9259
9260         * config/i386/i386.c (classify_argument): Don't allow COImode
9261         and OImode.
9262         (function_arg_advance_32): Don't allow OImode.
9263         (function_arg_32): Likewise.
9264         (function_value_32): Likewise.
9265         (return_in_memory_32): Likewise.
9266         (function_arg_64): Remove OImode comment.
9267
9268 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9269
9270         PR target/39261
9271         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9272         ix86_expand_vector_set for V4DImode in 64bit mode only.
9273         (ix86_expand_vector_init_one_var): Likewise.
9274
9275 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9276
9277         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9278
9279 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9280
9281         PR bootstrap/39257
9282         * loop-iv.c: Revert last change.
9283         * emit-rtl.c: Likewise.
9284
9285 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9286
9287         PR target/39256
9288         * config/i386/i386.c (type_natural_mode): Remove an extra
9289         space in the warning message.
9290         (function_value_32): Handle 32-byte vector modes.
9291         (return_in_memory_32): Likewise.
9292
9293 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9294
9295         * loop-iv.c (truncate_value): New function.
9296         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9297         of lowpart_subreg.
9298         (lowpart_subreg): Move to...
9299         * emit-rtl.c: ...here.
9300
9301 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9302
9303         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9304         accidental and undocumented change at revision 140860.
9305
9306 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9307
9308         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9309         take gimple_seq * arguments.
9310         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9311         types_compatible_p langhook.
9312
9313 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9314             Joseph Myers  <joseph@codesourcery.com>
9315
9316         * config/arm/arm.c (arm_builtin_va_list): New function.
9317         (arm_expand_builtin_va_start): Likewise.
9318         (arm_gimplify_va_arg_expr): Likewise.
9319         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9320         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9321         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9322         (va_list_type): New variable.
9323         (arm_mangle_type): Mangle va_list_type appropriately.
9324
9325 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9326
9327         PR middle-end/39157
9328         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9329         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9330         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9331         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9332         parameter to 1000 for -O1 by default.
9333         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9334         parameter.
9335         * loop-invariant.c: Include params.h.
9336         (move_loop_invariants): Don't call move_single_loop_invariants on
9337         very large loops.
9338
9339 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9340
9341         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9342         offset when calculating bounds for indexing stack_usage_map.  Fixes
9343         a buffer overflow with certain target setups.
9344
9345 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9346
9347         PR target/39240
9348         * calls.c (expand_call): Clear try_tail_call if caller and callee
9349         disagree in promotion of function return value.
9350
9351 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9352
9353         PR target/39175
9354         * c-common.c (c_determine_visibility): If visibility changed and
9355         DECL_RTL has been already set, call make_decl_rtl to update symbol
9356         flags.
9357
9358 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9359
9360         PR c++/39188
9361         * varasm.c (assemble_variable): Don't check DECL_NAME when
9362         globalizing a variable.
9363
9364 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9365
9366         PR c/38483
9367         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9368         expression before any __builtin_trap call.
9369         * c-typeck.c (build_function_call): Convert and check function
9370         arguments before generating a call to a trap.  Evaluate the
9371         function arguments before the trap.
9372
9373 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9374
9375         PR target/39228
9376         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9377         (UNSPEC_FXAM_MEM): New unspec.
9378         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9379         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9380         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9381
9382 2009-02-19  Richard Guenther  <rguenther@suse.de>
9383
9384         PR tree-optimization/39207
9385         PR tree-optimization/39074
9386         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9387         storedanything_tree): New.
9388         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9389         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9390         (build_succ_graph): Add edges from STOREDANYTHING to all
9391         non-direct nodes.
9392         (init_base_vars): Initialize STOREDANYTHING.
9393         (compute_points_to_sets): Free substitution info after
9394         building the succ graph.
9395         (ipa_pta_execute): Likewise.
9396
9397         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9398         field.
9399         (do_ds_constraint): Do not add to special var or non-pointer
9400         field solutions.
9401         (type_could_have_pointers): Split out from ...
9402         (could_have_pointers): ... here.  For arrays use the element type.
9403         (create_variable_info_for): Initialize may_have_pointers.
9404         (new_var_info): Likewise.
9405         (handle_lhs_call): Make the HEAP variable unknown-sized.
9406         (intra_create_variable_infos): Use a type with pointers for
9407         PARM_NOALIAS, make it unknown-sized.
9408
9409 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9410
9411         PR target/39224
9412         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9413
9414 2009-02-18  Jason Merrill  <jason@redhat.com>
9415
9416         PR target/39179
9417         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9418         value if DECL_EXTERNAL.
9419         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9420         * target.h (gcc_target::binds_local_p): Clarify "module".
9421         * tree.h (TREE_PUBLIC): Clarify "module".
9422
9423 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9424
9425         PR target/38891
9426         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9427         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9428
9429 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9430
9431         PR target/39082
9432         * c.opt (Wabi): Support C and ObjC.
9433         (Wpsabi): New.
9434
9435         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9436
9437         * config/i386/i386.c (classify_argument): Warn once about the ABI
9438         change when passing union with long double.
9439
9440         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9441
9442 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9443
9444         PR c/35447
9445         * c-parser.c (c_parser_compound_statement): Always enter and leave
9446         a scope.
9447
9448 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9449
9450         PR target/34587
9451         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9452
9453 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9454
9455         PR tree-optimization/36922
9456         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9457         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9458         Likewise.
9459
9460 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9461
9462         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9463         to 0 for EABI64.
9464
9465 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9466
9467         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9468
9469 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9470
9471         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9472         tree sharing.
9473
9474 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9475             Richard Sandiford  <rdsandiford@googlemail.com>
9476
9477         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9478         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9479         (loongson_biadd): ...this.
9480
9481 2009-02-17  Richard Guenther  <rguenther@suse.de>
9482
9483         PR tree-optimization/39202
9484         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9485         a var make sure to follow existing collapses.
9486
9487 2009-02-17  Richard Guenther  <rguenther@suse.de>
9488
9489         PR middle-end/39214
9490         * langhooks.c (lhd_print_error_function): Check for NULL block.
9491
9492 2009-02-17  Richard Guenther  <rguenther@suse.de>
9493
9494         PR tree-optimization/39204
9495         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9496         of the PHI arg.
9497
9498 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9499
9500         * config/soft-fp/double.h: Update from glibc CVS.
9501
9502 2009-02-17  Richard Guenther  <rguenther@suse.de>
9503
9504         PR tree-optimization/39207
9505         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9506         strict-aliasing warnings for pointers pointing to NULL.
9507
9508 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9509
9510         PR c/35446
9511         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9512         skipping until next close brace.
9513
9514 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9515
9516         PR target/37049
9517         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9518         to function argument boundary.
9519
9520 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9521
9522         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9523         in the lea_add. Reload eventually constraints it properly.
9524         * config/picochip/constraints.md: Remove the target constraint
9525         "b", since it is not needed anymore.
9526
9527 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9528
9529         * gthr-dce.h: Uglify function parameter and local variable names.
9530         * gthr-gnat.h: Likewise.
9531         * gthr-mipssde.h: Likewise.
9532         * gthr-nks.h: Likewise.
9533         * gthr-posix95.h: Likewise.
9534         * gthr-posix.h: Likewise.
9535         * gthr-rtems.h: Likewise.
9536         * gthr-single.h: Likewise.
9537         * gthr-solaris.h: Likewise.
9538         * gthr-tpf.h: Likewise.
9539         * gthr-vxworks.h: Likewise.
9540         * gthr-win32.h: Likewise.
9541
9542 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9543
9544         PR target/39196
9545         * config/i386/i386.md: Restrict the new peephole2 to move
9546         between MMX/SSE registers.
9547
9548 2009-02-15  Richard Guenther  <rguenther@suse.de>
9549
9550         Revert
9551         2009-02-13  Richard Guenther  <rguenther@suse.de>
9552
9553         * configure.ac: Enable LFS.
9554         * configure: Re-generate.
9555         * config.in: Likewise.
9556
9557 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9558
9559         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9560         spu_srqwbyte, spu_srqwbytebc): Define.
9561         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9562         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9563         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9564         "shrqby_<mode>"): New insn-and-split patterns.
9565         * config/spu/spu.c (expand_builtin_args): Determine and return
9566         number of operands using spu_builtin_description data.
9567         (spu_expand_builtin_1): Use it.
9568
9569 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9570
9571         PR target/38056
9572         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9573         TARGET_CONST_GP.
9574
9575 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9576
9577         PR target/39149
9578         * config/i386/i386.c (override_options): Correct warning
9579         messages for -malign-loops, -malign-jumps and -malign-functions.
9580
9581 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9582
9583         PR target/39152
9584         * config/i386/i386.md: Restrict the new peephole2 to move
9585         between the general purpose registers.
9586
9587 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9588
9589         PR target/39162
9590         * config/i386/i386.c (type_natural_mode): Add a new argument.
9591         Return the original mode and warn ABI change if vector size is 32byte.
9592         (function_arg_advance): Updated.
9593         (function_arg): Likewise.
9594         (ix86_function_value): Likewise.
9595         (ix86_return_in_memory): Likewise.
9596         (ix86_sol10_return_in_memory): Likewise.
9597         (ix86_gimplify_va_arg): Likewise.
9598         (function_arg_32): Don't warn ABX ABI change here.
9599         (function_arg_64): Likewise.
9600
9601 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9602
9603         * loop-iv.c (implies_p): In the final case, test that operands 0
9604         of the two comparisons match.
9605
9606         * config/bfin/bfin.c (find_prev_insn_start): New function.
9607         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9608         (find_next_insn_start): Move.
9609
9610 2009-02-13  Richard Guenther  <rguenther@suse.de>
9611
9612         * configure.ac: Enable LFS.
9613         * configure: Re-generate.
9614         * config.in: Likewise.
9615
9616 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9617
9618         PR c/35444
9619         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9620         sizes on syntax error after some arguments have been parsed.
9621
9622 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9623
9624         * doc/invoke.texi (-fira): Remove.
9625
9626 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9627
9628         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9629         * recog.c: Likewise.
9630         * rtl.h: Likewise.
9631
9632 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9633
9634         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9635         (umul_ppmm): Likewise.
9636         (count_leading_zeros): Likewise.
9637         (count_trailing_zeros): Likewise.
9638         (UMUL_TIME): Likewise.
9639
9640 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9641
9642         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9643         soft-fp/t-softfp to tmake_file.
9644
9645         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9646         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9647         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9648         IA64_BUILTIN_INFQ]: New.
9649         (ia64_init_builtins): Initialize __builtin_infq,
9650         __builtin_fabsq and __builtin_copysignq if not HPUX.
9651         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9652         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9653
9654         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9655         SHARED is defined.
9656         (__fixtfti): Likewise.
9657         (__fixunstfti): Likewise.
9658         (__floattitf): Likewise.
9659
9660         * config/ia64/libgcc-glibc.ver: New.
9661         * config/ia64/t-fprules-softfp: Likewise.
9662         * config/ia64/sfp-machine.h: Likewise.
9663
9664         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9665         (LIBGCC2_TF_CEXT): Likewise.
9666         (TF_SIZE): Likewise.
9667         (TARGET_INIT_LIBFUNCS): Likewise.
9668
9669         * config/ia64/t-glibc (SHLINB_MAPFILES):
9670         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9671
9672 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9673
9674         * config/i386/i386.c (construct_container): Rewrite processing
9675         BLKmode with X86_64_SSE_CLASS.
9676
9677 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9678
9679         PR target/39152
9680         * config/i386/i386.md: Replace simplify_replace_rtx with
9681         replace_rtx in the new peephole2.
9682
9683 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9684
9685         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9686         loop unrolling do not happen at -O2.
9687
9688 2009-02-12  Michael Matz  <matz@suse.de>
9689
9690         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9691
9692 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9693
9694         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9695         for -g3.
9696
9697 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9698
9699         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9700         patterns when updating the back chain.  Missed in the 2009-02-10
9701         change.
9702
9703 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9704
9705         * doc/extend.texi (Decimal Floating Types): Update identifier of
9706         draft TR and list of missing support.
9707
9708 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9709
9710         PR middle-end/39154
9711         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9712         bit to variable length decl's flags, add it also to its
9713         pointer replacement variable.
9714
9715 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9716             Jakub Jelinek  <jakub@redhat.com>
9717
9718         PR target/39118
9719         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9720         (memory_blockage): New expander.
9721         (*memory_blockage): New insn pattern.
9722         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9723         instead of general blockage at the end of function prologue when
9724         frame pointer is used to access red zone area.  Do not emit blockage
9725         when profiling, it is emitted in generic code.
9726         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9727         function epilogue when frame pointer is used to access red zone area.
9728
9729 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9730
9731         PR target/38824
9732         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9733         by arithmetic with memory operands.
9734         * config/i386/predicates.md (commutative_operator): New.
9735
9736 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9737
9738         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9739         bulleted lists.
9740
9741 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9742
9743         * alias.h (record_alias_subset): Declare.
9744         * alias.c (record_alias_subset): Make global.
9745
9746 2009-02-10  Nick Clifton  <nickc@redhat.com>
9747
9748         * tree-parloops.c: Change license to GPLv3.
9749         * ipa-struct-reorg.c: Change license to GPLv3.
9750         * ipa-struct-reorg.h: Change license to GPLv3.
9751
9752 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9753
9754         PR c/39084
9755         * c-decl.c (start_struct): Return NULL on error.
9756
9757 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9758
9759         PR middle-end/39124
9760         * cfgloopmanip.c (remove_path): Call remove_bbs after
9761         cancel_loop_tree, not before it.
9762
9763         PR target/39139
9764         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9765         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9766         VAR_DECLs were seen.
9767         * tree-ssa-live.c (remove_unused_locals): Recompute
9768         cfun->has_local_explicit_reg_vars.
9769         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9770         copies or clearings if cfun->has_local_explicit_reg_vars.
9771
9772 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9773
9774         PR target/39118
9775         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9776         of function prologue when frame pointer is used to access
9777         red zone area.
9778
9779 2009-02-10  Richard Guenther  <rguenther@suse.de>
9780
9781         PR middle-end/39127
9782         * gimplify.c (gimple_regimplify_operands): Always look if
9783         we need to create a temporary.
9784
9785 2009-02-10  Richard Guenther  <rguenther@suse.de>
9786
9787         PR tree-optimization/39132
9788         * tree-loop-distribution.c (todo): New global var.
9789         (generate_memset_zero): Trigger TODO_rebuild_alias.
9790         (tree_loop_distribution): Return todo.
9791
9792 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9793
9794         PR target/39119
9795         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9796         (x86_64_reg_class_name): Removed.
9797         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9798         first one isn't X86_64_SSE_CLASS or any other ones aren't
9799         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9800         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9801         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9802         and 3 X86_64_SSEUP_CLASS.
9803         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9804         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9805
9806 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9807
9808         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9809         form instruction to update the stack back chain word, even if the
9810         user has disabled the generation of update instructions.
9811         (movdi_<mode>_update_stack): New.
9812         (movsi_update_stack): Likewise.
9813         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9814         always use an update form instruction to update the stack back
9815         chain word.
9816
9817 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9818
9819         PR middle-end/38953
9820         * graphite.c (if_region_set_false_region): After moving a region in
9821         the false branch of a condition, remove the empty dummy basic block.
9822         (gloog): Remove wrong fix for PR38953.
9823
9824 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9825
9826         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9827         generation due to implicit sign extension.
9828
9829 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9830
9831         PR middle-end/38981
9832         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9833         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9834
9835 2009-02-09  Richard Guenther  <rguenther@suse.de>
9836
9837         PR middle-end/35202
9838         * convert.c (convert_to_real): Disable (float)fn((double)x)
9839         to fnf(x) conversion if errno differences may occur and
9840         -fmath-errno is set.
9841
9842 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9843
9844         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9845         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9846         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9847
9848 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9849
9850         PR c/35434
9851         * c-common.c (handle_alias_attribute): Disallow attribute for
9852         anything not a FUNCTION_DECL or VAR_DECL.
9853
9854 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9855
9856         PR c/39035
9857         * real.c (do_compare): Special-case compare of zero against
9858         decimal float value.
9859
9860 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9861
9862         PR c/36432
9863         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9864         as indicating flexible array members unless the field itself is
9865         being declarared as the incomplete array.
9866
9867 2009-02-06  Jan Hubicka  <jh@suse.cz>
9868
9869         PR tree-optimization/38844
9870         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9871         is already inlined.
9872
9873 2009-02-06  Richard Guenther  <rguenther@suse.de>
9874
9875         PR middle-end/38977
9876         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9877         fork because we may expand it as __gcov_fork.
9878
9879 2009-02-06  Nick Clifton  <nickc@redhat.com>
9880
9881         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9882
9883 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9884
9885         PR tree-optimization/35659
9886         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9887         vn_phi_eq): Shortcut if hashcode does not match.
9888         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9889         NULL operands.
9890         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9891         and avoid iterative_hash_expr.
9892         (FOR_EACH_VALUE_ID_IN_SET): New.
9893         (value_id_compare): Remove.
9894         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9895         sort expressions by value id.
9896
9897 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9898
9899         PR target/38991
9900         * config/sh/predicates.md (general_movsrc_operand): Don't check
9901         the subreg of system registers here.
9902
9903 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9904
9905         PR c++/39106
9906         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9907         on the copied decl.
9908
9909 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9910
9911         PR rtl-optimization/39110
9912         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9913         addresses, not aligned ones.
9914
9915 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9916             Richard Guenther  <rguenther@suse.de>
9917
9918         PR tree-optimization/39100
9919         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9920         comment says and add edges.
9921
9922 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9923
9924         PR c/35435
9925         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9926         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9927
9928 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9929
9930         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9931         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9932         register_bb_in_sese, new_sese, free_sese): Moved.
9933         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9934         outermost_loop_in_scop, build_scop_iteration_domain,
9935         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9936         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9937         Use loop_in_sese_p instead of loop_in_scop_p.
9938         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9939         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9940         (scopdet_basic_block_info): Fix bug in scop detection.
9941         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9942         eq_loop_to_cloog_loop): Remove.
9943         (nb_loops_around_loop_in_scop, nb_loop
9944         ref_nb_loops): Moved here...
9945         * graphite.h (ref_nb_loops): ... from here.
9946         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9947         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9948         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9949         * testsuite/gcc.dg/graphite/scop-19.c: New
9950
9951 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9952             Hans-Peter Nilsson  <hp@axis.com>
9953
9954         PR rtl-optimization/37889
9955         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9956         Move offset handling from PLUS to before the switch.  Use new
9957         arguments when considering SYMBOL_REFs too.
9958         (rtx_addr_can_trap_p): Pass dummy offset and size.
9959         (enum may_trap_p_flags): Remove.
9960         (may_trap_p_1): Pass size from MEM_SIZE.
9961
9962         PR rtl-optimization/38921
9963         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9964         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9965         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9966         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9967
9968 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9969
9970         AVX Programming Reference (January, 2009)
9971         * config/i386/sse.md (*vpclmulqdq): New.
9972
9973 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9974
9975         PR tree-optimization/38977
9976         PR gcov-profile/38292
9977         * calls.c (special_function_p): Disregard __builtin_ prefix.
9978
9979 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9980
9981         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9982         non-indexable addresses even before reload.
9983
9984 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
9985
9986         PR c/29129
9987         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
9988         as having variable size.  Do not give an error for unnamed
9989         parameters with [*] declarators.  Give a warning for type names
9990         with [*] declarators and mark them as variable size.
9991         * c-parser.c (c_parser_sizeof_expression): Do not give an error
9992         for sizeof applied to [*] type names.
9993
9994 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9995
9996         PR C++/36607
9997         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
9998
9999 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10000
10001         * gcc.c (process_command): Update copyright notice dates.
10002         * gcov.c (print_version): Likewise.
10003         * gcov-dump.c (print_version): Likewise.
10004         * mips-tfile.c (main): Likewise.
10005         * mips-tdump.c (main): Likewise.
10006
10007 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10008
10009         PR c/35433
10010         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10011         for composite type involving a zero-length array type.
10012
10013 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10014
10015         PR target/35318
10016         * function.c (match_asm_constraints_1): Skip over
10017         initial optional % in the constraint.
10018
10019         PR inline-asm/39059
10020         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10021         supported, don't accept FIXED_CSTs.
10022         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10023         and _Sat is used without _Fract/_Accum.  Set specs->type to
10024         integer_type_node for cts_fract/cts_accum if fixed point is not
10025         supported.
10026
10027 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10028
10029         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10030
10031 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10032
10033         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10034         (ABI_HAS_64BIT_SYMBOLS): Use it.
10035         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10036
10037 2009-02-02  Paul Brook  <paul@codesourcery.com>
10038
10039         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10040
10041 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10042
10043         PR inline-asm/39058
10044         * recog.h (asm_operand_ok): Add constraints argument.
10045         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10046         recurse on matching constraint.
10047         (check_asm_operands): Pass constraints as 3rd argument to
10048         asm_operand_ok.  Don't look up matching constraint here.
10049         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10050         to asm_operand_ok.
10051
10052 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10053
10054         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10055         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10056
10057 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10058
10059         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10060         information.  Remove some obsolete information.  Reorganize.
10061
10062         * config/pa/fptr.c: Revert license to GPL 2.
10063         * config/pa/milli64.S: Likewise.
10064
10065 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10066
10067         PR target/38904
10068         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10069         LIBRARY name in, instead of hard-coding it.
10070         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10071         extra target make frag to tmake_files according to EH model.
10072         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10073         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10074         frags that define makefile variable EH_MODEL appropriately.
10075         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10076         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10077         to "-sjlj" according to type of EH configured.
10078         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10079         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10080         to "_sjlj" according to type of EH configured.
10081         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10082         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10083         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10084         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10085         string value of "pe_dll" command-line option.
10086         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10087         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10088         (SHLIB_IMPLIB):  Override t-cygming default.
10089         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10090         string value of "pe_dll" command-line option.
10091
10092 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10093
10094         PR target/38952
10095         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10096         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10097
10098 2009-01-31  Richard Guenther  <rguenther@suse.de>
10099
10100         PR tree-optimization/38937
10101         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10102         computing the transitive closure.
10103
10104 2009-01-30  Richard Guenther  <rguenther@suse.de>
10105
10106         PR tree-optimization/39041
10107         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10108         Propagate variable indices only if the types match for this stmt.
10109
10110 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10111
10112         PR target/39013
10113         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10114         inline but never defined.
10115
10116 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10117
10118         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10119         (*insv_h_di_reg_extimm): New insn.
10120         (*insv_l<mode>_reg_extimm): New insn.
10121
10122 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10123
10124         * config/picochip/picochip.c (flag_conserve_stack): set
10125         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10126         fconserve-stack. Reduce call-overhead used by inliner.
10127
10128 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10129
10130         PR/38157
10131         * common.opt (flag_conserve_stack): Initialised to zero.
10132
10133 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10134
10135         PR/39002
10136         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10137         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10138         method.
10139
10140 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10141
10142         * ira-color.c (allocno_reload_assign): Update comments.
10143         * regmove.c (regmove_optimize): Likewise.
10144
10145         * ra.h: Removed.
10146
10147 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10148
10149         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10150         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10151         `MD_UNWIND_SUPPORT'.
10152         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10153
10154 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10155
10156         PR tree-optimization/39007
10157         * tree-loop-distribution.c (generate_builtin): Use
10158         recompute_dominator to compute the immediate dominator of the
10159         basic block just after the loop.
10160
10161 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10162
10163         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10164         (ASM_OUTPUT_DWARF_PCREL): Define.
10165
10166 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10167
10168         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10169         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10170         global.  Modify entries about regmove and IRA.
10171
10172         * ra-conflict.c: Remove the file.
10173
10174         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10175
10176         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10177         (pass_regclass_init): Rename to pass_reginfo_init.
10178
10179         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10180
10181         * toplev.h (flag_ira): Remove.
10182
10183         * caller-save.c (setup_save_areas): Remove flag_ira.
10184
10185         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10186
10187         * global.c: Remove the file.
10188
10189         * opts.c (decode_options): Remove flag_ira.
10190
10191         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10192
10193         * regmove.c: Modify file description.
10194         (find_use_as_address, try_auto_increment): Define them only if
10195         AUTO_INC_DEC is defined.
10196         (replacement_quality, replace_in_call_usage, fixup_match_1,
10197         stable_and_no_regs_but_for_p): Remove.
10198         (reg_set_in_bb): Make it static.
10199         (regmove_optimize): Remove flag_ira and code which worked for
10200         !flag_ira.
10201
10202         * local-alloc.c: Remove the file.
10203
10204         * common.opt (fira): Remove.
10205
10206         * ira.c: Include except.h.
10207         (eliminable_regset): Move from global.c.
10208         (mark_elimination): Ditto.  Remove flag_ira.
10209         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10210         equiv_mem_modified, validate_equiv_mem_from_store,
10211         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10212         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10213         no_equiv, recorded_label_ref): Move from local-alloc.c.
10214         (update_equiv_regs): Ditto.  Make it static.
10215         (print_insn_chain, print_insn_chains): Move it from global.c.
10216         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10217         (build_insn_chain): Ditto.  Make it static.
10218         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10219         Rename to init_live_subregs.
10220         (gate_ira): Remove flag_ira.
10221
10222         * regclass.c: Rename reginfo.c.  Change file description.
10223         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10224         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10225         (init_reg_sets_1): Remove code for evaluation of
10226         reg_class_superclasses and losing_caller_save_reg_set.
10227         (init_regs): Remove init_reg_autoinc.
10228         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10229         ok_for_base_p_nonstrict): Remove.
10230         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10231         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10232         corresponding entries.
10233         (dump_regclass, record_operand_costs, scan_one_insn,
10234         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10235         record_address_regs, auto_inc_dec_reg_p): Remove.
10236         (gt-regclass.h): Rename to gt-reginfo.h.
10237
10238         * rtl.h (dump_global_regs, retry_global_alloc,
10239         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10240
10241         * Makefile.in (RA_H): Remove.
10242         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10243         Rename regclass.o to reginfo.o.
10244         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10245         gt-reginfo.h.
10246         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10247         (GTFILES): Rename regclass.c to reginfo.c.
10248
10249         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10250         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10251
10252         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10253         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10254         Remove flag_ira.
10255         (finish_spills): Ditto.  Remove code for !flag_ira.
10256
10257 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10258
10259         PR middle-end/35854
10260         * doc/invoke.texi (rtl debug options): Complete rewrite.
10261         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10262         to auto_inc_dec".
10263         * mode-switching.c (pass_mode_switching): Rename pass from
10264         "mode-sw" to "mode_sw".
10265         * except.c (pass_convert_to_eh_ranges): Rename pass from
10266         "eh-ranges" to "eh_ranges".
10267         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10268         to "subreg1".
10269
10270
10271 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10272             Alexander Monakov  <amonakov@ispras.ru>
10273
10274         PR middle-end/38857
10275         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10276         register.
10277         (move_exprs_to_boundary): Change return type and pass through
10278         should_move from move_op.  Relax assert.  Update usage ...
10279         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10280         cant_move.
10281         (move_op_orig_expr_found): Indicate that insn was disconnected from
10282         stream.
10283         (code_motion_process_successors): Do not call after_merge_succs
10284         callback if original expression was not found when traversing any of
10285         the branches.
10286         (code_motion_path_driver): Change return type.  Update prototype.
10287         (move_op): Update comment.  Add a new parameter (should_move).  Update
10288         prototype.  Set *should_move based on indication provided by
10289         move_op_orig_expr_found.
10290
10291 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10292
10293         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10294         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10295         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10296         * config/rs6000/rs6000.c (rs6000_override_options): Default
10297         avoid-indexed-addresses on for Power6, off for everything else.
10298         (avoiding_indexed_address_p): New function.
10299         (rs6000_legitimize_address): Use it.
10300         (rs6000_legitimate_address): Likewise.
10301         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10302
10303 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10304
10305         PR tree-optimization/38997
10306         * tree-loop-distribution.c (generate_memset_zero): Use
10307         POINTER_PLUS_EXPR for a pointer addition.
10308
10309 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10310
10311         * config/s390/s390.md (bswap<mode>2): New pattern added.
10312
10313 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10314
10315         * config/s390/s390.md (*tls_load_31): Added type attribute.
10316
10317 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10318
10319         * config/s390/s390.md: Fix a few comments.
10320
10321 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10322
10323         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10324         (*tm<mode>_full): Fixed z10prop attribute.
10325         (*tst<mode>_extimm): Fixed z10prop attribute.
10326         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10327         (*tstqiCCT_cconly): Fixed z10prop attribute.
10328         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10329         (*movsi_larl): Fixed z10prop attribute.
10330         (*movsi_zarch): Fixed z10prop attribute.
10331         (*movsi_eas): Fixed z10prop attribute.
10332         (*movhi): Fixed z10prop attribute.
10333         (*movqi): Fixed z10prop attribute.
10334         (*movstrictqi): Fixed z10prop attribute.
10335         (*mov<mode>): Fixed z10prop attribute.
10336         (*movcc): Fixed z10prop attribute.
10337         (*sethighpartdi_64): Fixed z10prop attribute.
10338         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10339         (*negdi2_sign_cc): Fixed z10prop attribute.
10340         (*negdi2_sign): Fixed z10prop attribute.
10341         (*absdi2_sign_cc): Fixed z10prop attribute.
10342         (*absdi2_sign): Fixed z10prop attribute.
10343         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10344         (*negabsdi2_sign): Fixed z10prop attribute.
10345         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10346         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10347         (doloop_si64): Fixed z10prop attribute.
10348         (doloop_si31): Fixed z10prop attribute.
10349         (doloop_long): Fixed z10prop attribute.
10350         (indirect_jump): Fixed z10prop attribute.
10351         (nop): Fixed z10prop attribute.
10352         (main_base_64): Fixed z10prop attribute.
10353         (reload_base_64): Fixed z10prop attribute.
10354
10355 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10356
10357         PR rtl-optimization/38740
10358         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10359         if !optimize.
10360         * config/mips/mips.c (mips_reorg): Likewise.
10361
10362 2009-01-28  Richard Guenther  <rguenther@suse.de>
10363
10364         PR tree-optimization/38926
10365         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10366         with the correct value id to a value.
10367         (do_regular_insertion): Use the value number of edoubleprime
10368         for the value number of the expr.
10369
10370         Revert
10371         2008-08-21  Richard Guenther  <rguenther@suse.de>
10372
10373         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10374         a PHI ask VN if it is already available.
10375         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10376         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10377
10378 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10379
10380         PR middle-end/38934
10381         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10382         set to varying whenever max has TREE_OVERFLOW set, similarly
10383         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10384
10385 2009-01-28  Richard Guenther  <rguenther@suse.de>
10386
10387         PR middle-end/38908
10388         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10389         uninitialized aggregate uses in call arguments.
10390
10391 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10392
10393         PR tree-optimization/38984
10394         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10395         the nothing_id variable if -fno-delete-null-pointer-checks.
10396
10397 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10398
10399         PR target/38988
10400         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10401         (set_got_offset_rex64): Ditto.
10402
10403 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10404
10405         PR target/38941
10406         * doc/extend.texi: Improve local variable with asm reg.
10407
10408 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10409
10410         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10411         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10412         was not supplied then set warn_packed_bitfield_compat to the
10413         default value of 1.
10414         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10415         against 1.
10416
10417 2009-01-27  Richard Guenther  <rguenther@suse.de>
10418
10419         PR tree-optimization/38503
10420         * cfgexpand.c (expand_gimple_basic_block): Ignore
10421         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10422         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10423         variables that cannot have TBAA applied.
10424         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10425         statements.
10426
10427 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10428
10429         PR middle-end/38969
10430         * calls.c (initialize_argument_information): Do not wrap complex
10431         arguments in SAVE_EXPR.
10432
10433 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10434
10435         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10436         (INSTALL_LIBGCC): Revert typo commit.
10437
10438 2009-01-26  Richard Guenther  <rguenther@suse.de>
10439
10440         PR tree-optimization/38745
10441         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10442         from special handling.
10443
10444 2009-01-26  Richard Guenther  <rguenther@suse.de>
10445
10446         PR tree-optimization/38745
10447         * tree-ssa.c (execute_update_addresses_taken): Do not include
10448         variables that cannot possibly be a register in not_reg_needs.
10449         Do not clear TREE_ADDRESSABLE on vars that may not become
10450         registers.
10451         * tree-ssa.c (update_alias_info_1): Include those in the set
10452         of addressable vars.
10453
10454 2009-01-26  Richard Guenther  <rguenther@suse.de>
10455
10456         PR middle-end/38851
10457         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10458         * tree-ssa-dse.c: Include langhooks.h
10459         (execute_simple_dse): Remove stores with zero size.
10460
10461 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10462
10463         PR c/38957
10464         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10465         as PLUS_EXPR.
10466
10467 2009-01-24  Julian Brown  <julian@codesourcery.com>
10468
10469         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10470         config/arm/linux-atomic.c.
10471         * config/arm/linux-atomic.c: New.
10472
10473 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10474
10475         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10476         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10477         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10478
10479 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10480
10481         PR c/38938
10482         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10483         properly.
10484
10485 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10486
10487         PR tree-optimization/38953
10488         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10489         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10490         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10491         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10492         changed the CFG.
10493
10494 2009-01-24  Paul Brook  <paul@codesourcery.com>
10495
10496         * config/arm/neon.md (neon_type): Move to arm.md.
10497         (neon_mov<VSTRUCT>): Add neon_type attribute.
10498         * config/arm/arm.md (neon_type): Move to here.
10499         (conds): Add "unconditioal" and use as default for NEON insns.
10500
10501 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10502
10503         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10504         void *' warning from -Wc++-compat.
10505         * Makefile.in (dominance.o-warn): Remove.
10506
10507 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10508
10509         PR tree-optimization/38932
10510         * fold-const.c (fold_unary_ignore_overflow): New.
10511         * tree.h (fold_unary_ignore_overflow): Declare.
10512         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10513         * tree-ssa-sccvn.c (visit_reference_op_load,
10514         simplify_unary_expression): Likewise.
10515
10516 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10517
10518         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10519         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10520         regardless of their type.
10521         * c-common.c (handle_packed_attribute): Don't ignore packed on
10522         bitfields.
10523         * c.opt (Wpacked-bitfield-compat): New warning option.
10524         * stor-layout.c (place_field): Warn if offset of a field changed.
10525         * doc/extend.texi (packed): Mention the ABI change.
10526         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10527         (Warning Options): Add it to the list.
10528
10529 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10530
10531         * c-opts.c (c_common_post_options): Fix a typo in comments.
10532
10533 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10534
10535         PR middle-end/38615
10536         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10537         variables to static.
10538         * doc/invoke.texi (-fmerge-all-constants): Update description.
10539
10540 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10541
10542         PR target/38931
10543         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10544         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10545
10546 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10547
10548         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10549         a word boundary.
10550         (LOCAL_ALIGNMENT): Similarly.
10551
10552 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10553             Joseph Myers  <joseph@codesourcery.com>
10554
10555         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10556         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10557         * config/arm/arm-tune.md: Regenerate.
10558         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10559         -march=iwmmxt2.
10560
10561 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10562
10563         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10564         version number to five.
10565
10566 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10567
10568         PR c++/38930
10569         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10570         * c-common.c (set_underlying_type): Likewise.
10571         (is_typedef_decl ): Likewise
10572         * tree.h: Likewise
10573         (set_underlying_type): Likewise.
10574         (is_typedef_type): Likewise.
10575
10576 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10577
10578         PR middle-end/38587
10579         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10580         crossing setjmps.
10581
10582 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10583
10584         PR bootstrap/37660
10585         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10586         (LIBGCC_SPEC):  Don't define.
10587         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10588
10589 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10590
10591         PR rtl-optimization/38879
10592         * alias.c (base_alias_check): Unaligned access via AND address can
10593         alias all surrounding object types except those with sizes equal
10594         or wider than the size of unaligned access.
10595
10596 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10597
10598         PR c++/26693
10599         * c-decl.c (clone_underlying_type): Move this ...
10600         * c-common.c (set_underlying_type): ... here.
10601         Also, make sure the function properly sets TYPE_STUB_DECL() on
10602         the newly created typedef variant type.
10603         (is_typedef_decl ): New entry point.
10604         * tree.h: Added a new member member_types_needing_access_check to
10605         struct tree_decl_non_common.
10606         (set_underlying_type): New entry point.
10607         (is_typedef_type): Likewise.
10608
10609 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10610
10611         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10612         Check whether two instructions have memory references that
10613         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10614         are helper functions for traversing.
10615         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10616         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10617         not to draw dependency edge for instructions with non-conflicting
10618         alias sets.
10619
10620 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10621
10622         PR other/38758
10623         * longlong.h: Update copyright years.  Use soft-fp license notice.
10624         Sync __clz_tab declaration with glibc.
10625
10626 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10627
10628         PR target/30687
10629         * doc/extend.texi (syscall_linkage): New.
10630         (version_id): Modify.
10631
10632 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10633             Richard Guenther  <rguenther@suse.de>
10634
10635         PR tree-optimization/38747
10636         PR tree-optimization/38748
10637         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10638         conversion if the base address is an indirect reference and the
10639         aliasing sets could cause issues.
10640
10641 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10642
10643         * common.opt (fgraphite, fgraphite-identity): Add comment for
10644         explaining why these options are not documented.
10645
10646 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10647
10648         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10649         gimple_call_lhs is NULL.
10650
10651 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10652
10653         PR target/38868
10654         * emit-rtl.c (adjust_address_1): Make sure memref is never
10655         overwritten.
10656
10657 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10658
10659         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10660         const qualifier from arg parameter. Remove unnecessary cast to char *.
10661         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10662         const qualifier from arg 2.
10663
10664 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10665
10666         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10667
10668 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10669
10670         PR c/38869
10671         * rtl.h (reinit_regs): New prototype.
10672         * regclass.c: Include ira.h.
10673         (reinit_regs): New.
10674         * Makefile.in (regclass.o): Add ira.h.
10675         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10676
10677 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10678
10679         PR target/38736
10680         * c-common.c (handle_aligned_attribute): Use
10681         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10682         default alignment value.
10683
10684         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10685
10686         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10687         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10688
10689         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10690         __BIGGEST_ALIGNMENT__.
10691
10692         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10693
10694 2009-01-18  Richard Guenther  <rguenther@suse.de>
10695
10696         PR tree-optimization/38819
10697         * tree-flow.h (operation_could_trap_helper_p): Declare.
10698         * tree-eh.c (operation_could_trap_helper_p): Export.
10699         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10700         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10701         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10702         are about to insert a possibly trapping instruction and fail
10703         in this case.
10704
10705 2009-01-18  Andreas Schwab  <schwab@suse.de>
10706
10707         * doc/install.texi (Configuration): Remove obsolete paragraph
10708         about use of --with-gnu-ld with --with-gnu-as.
10709
10710 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10711
10712         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10713         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10714         Follow spelling conventions.
10715
10716 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10717
10718         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10719         C++ warning about implicit conversion from void * to struct
10720         bitmap_head_def *.
10721         (bitmap_obstack_free): Likewise for bitmap_element *.
10722         * Makefile.in (bitmap.o-warn): Remove.
10723
10724 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10725
10726         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10727
10728 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10729             Tobias Grosser  <tobi.grosser@amd.com>
10730
10731         * graphite.c (graphite_trans_scop_block): Do not block single
10732         nested loops.
10733
10734 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10735
10736         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10737         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10738         test with assertion.
10739
10740 2009-01-16  Richard Guenther  <rguenther@suse.de>
10741
10742         PR tree-optimization/38835
10743         PR middle-end/36227
10744         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10745         and INT + PTR -> (INT)(PTR p+ INT) folding.
10746         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10747
10748 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10749
10750         PR target/38554
10751         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10752         the subreg from a lowpart subreg if it is also casting the value.
10753
10754 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10755             Tobias Grosser  <tobi.grosser@amd.com>
10756
10757         * graphite.c (compare_prefix_loops): New.
10758         (build_scop_canonical_schedules): Rewritten.
10759         (graphite_transform_loops): Move build_scop_canonical_schedules
10760         after build_scop_iteration_domain.
10761
10762 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10763             Tobias Grosser  <tobi.grosser@amd.com>
10764
10765         * graphite.c (add_conditions_to_domain): Add the loops to
10766         the dimension of the iteration domain.  Do copy the domain
10767         only when it exists.
10768         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10769         (add_conditions_to_constraints): New.
10770         (can_generate_code_stmt, can_generate_code): Removed.
10771         (gloog): Do not call can_generate_code.
10772         (graphite_transform_loops): Call add_conditions_to_constraints
10773         after building the iteration domain.
10774
10775 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10776
10777         PR tree-optimization/38789
10778         * tree-ssa-threadedge.c
10779         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10780         __builtin_constant_p.
10781
10782 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10783
10784         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10785         examined before deleting them.
10786
10787 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10788
10789         * function.c (aggregate_value_p): Correctly extract the function
10790         type from CALL_EXPR_FN lookup.
10791
10792 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10793
10794         * config/picochip/picochip.c (picochip_override_options): Revert
10795         CFI asm flag disable commited previously.
10796
10797 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10798             Tobias Grosser  <tobi.grosser@amd.com>
10799             Jan Sjodin  <jan.sjodin@amd.com>
10800
10801         * graphite.c (scan_tree_for_params): On substractions negate
10802         all the coefficients of the term.
10803         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10804         of more than two operands.
10805         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10806         (get_vdef_before_scop): Handle also the case of default definitions.
10807
10808 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10809
10810         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10811         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10812         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10813
10814 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10815             Joey Ye  <joey.ye@intel.com>
10816
10817         PR middle-end/37843
10818         * cfgexpand.c (expand_stack_alignment): Don't update stack
10819         boundary nor check incoming stack boundary here.
10820         (gimple_expand_cfg): Update stack boundary and check incoming
10821         stack boundary here.
10822
10823 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10824
10825         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10826
10827 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10828
10829         PR rtl-optimization/38245
10830         * calls.c (expand_call): Add stack arguments to
10831         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10832         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10833         in regs and partially in memory or BLKmode arguments.
10834         (emit_library_call_value_1): Add stack arguments to
10835         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10836         ACCUMULATE_OUTGOING_ARGS).
10837         * dce.c: Include tm_p.h.
10838         (find_call_stack_args): New function.
10839         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10840         argument.
10841         (mark_insn): Call find_call_stack_args for CALL_Ps.
10842         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10843         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10844         down to deletable_insn_p, don't mark stores set in arg_stores
10845         bitmap, clear the bitmap at the beginning of each bb.
10846         * Makefile.in (dce.o): Depend on $(TM_P_H).
10847
10848 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10849
10850         PR target/22599
10851         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10852         to make sure the insn is a conditional test (bug 22599).  Reformat a
10853         few long lines.
10854
10855 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10856
10857         PR middle-end/38431
10858         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10859         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10860         (gloog): Do not call cleanup_tree_cfg.
10861         (graphite_transform_loops): Call cleanup_tree_cfg after all
10862         scops have been code generated.
10863
10864 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10865         * doc/gty.texi (Invoking the garbage collector): Added new node
10866         and section documenting ggc_collect.
10867
10868 2009-01-14  Richard Guenther  <rguenther@suse.de>
10869
10870         PR tree-optimization/38826
10871         PR middle-end/38477
10872         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10873         initialization notes only if we actually emitted a warning.
10874         (intra_create_variable_infos): Add constraints for a result decl
10875         that is passed by hidden reference.
10876         (build_pred_graph): Mark all related variables non-direct on
10877         address-taking.
10878
10879 2009-01-14  Nick Clifton  <nickc@redhat.com>
10880
10881         * ira-conflicts.c: Include addresses.h for the definition of
10882         base_reg_class.
10883         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10884         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10885
10886 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10887
10888         PR target/38811
10889         * Makefile.in (ira-lives.o): Add except.h.
10890
10891         * ira-lives.c: Include except.h.
10892         (process_bb_node_lives): Process can_throw_internal.
10893
10894 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10895
10896         PR rtl-optimization/38774
10897         * combine.c (simplify_set): When undoing cc_use change, don't do
10898         PUT_CODE on the newly created comparison, but instead put back the
10899         old comparison.
10900
10901 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10902
10903         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10904         values.  Remove duplicate arm8 entry.
10905
10906 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10907
10908         PR tree-optimization/38786
10909         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10910         the SSA_NAME case of expand_scalar_variables_expr.
10911         Set the type of an expression to the type of its assign statement.
10912         (expand_scalar_variables_expr): Also gather the scalar computation
10913         used to index the memory access.  Do not pass loop_p.
10914         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10915         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10916         the gimple_stmt_iterator where it inserts new code.
10917         Do not pass loop_p.
10918         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10919         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10920
10921 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10922
10923         * graphite.h (debug_value): Removed.
10924         * graphite.c (debug_value): Removed.
10925
10926 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10927
10928         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10929         ldrd/strd with two 32-bit instructions.
10930
10931 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10932
10933         * config/arm/arm.c (struct processors): Pass for speed down into
10934         cost helper functions.
10935         (const_ok_for_op): Handle COMPARE and inequality nodes.
10936         (arm_rtx_costs_1): Rewrite.
10937         (arm_size_rtx_costs): Update prototype.
10938         (arm_rtx_costs): Pass speed down to helper functions.
10939         (arm_slowmul_rtx_costs): Rework cost calculations.
10940         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10941         (arm_9e_rtx_costs): Likewise.
10942
10943 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10944
10945         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10946         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10947         (alpha_legitimize_address): Do not split local symbols wider than
10948         UNITS_PER_WORD into HIGH/LO_SUM parts.
10949
10950 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10951
10952         PR bootstrap/38580
10953         * gcc.c (process_command): Replace call to execvp with calls
10954         to pex_one and exit.
10955
10956 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10957
10958         PR target/29141
10959         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10960         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10961         variant for devices with 3-byte PC.
10962         (__tablejump_elpm__): New.
10963
10964 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10965
10966         PR c/32041
10967         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10968         offsetof member-designator, handle it as `[0].'.
10969
10970 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10971
10972         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10973         function when not using named sections on targets with named sections
10974         if branch distance is less than 262132.
10975
10976 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10977
10978         * combine.c (combine_instructions):  Recompute
10979         optimize_this_for_speed_p  for each BB in the main combine loop.
10980
10981 2009-01-12  Tomas Bily  <tbily@suse.cz>
10982
10983         PR middlend/38385
10984         * tree-loop-distribution.c (prop_phis): New function.
10985         (generate_builtin): Call prop_phis.
10986         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
10987
10988 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10989
10990         PR tree-optimization/38807
10991         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
10992         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
10993
10994 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
10995
10996         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
10997         subreg of op0 to the original op0.
10998
10999 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11000
11001         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11002
11003 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11004
11005         PR debug/7055
11006         * mips-tfile.c (parse_def): Fix parsing of def strings
11007         starting with digits.
11008
11009 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11010
11011         PR target/38695
11012         * config/arm/arm.c (arm_is_long_call_p): Don't call
11013         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11014
11015 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11016
11017         * regrename.c (regrename_optimize): Fix dumping.
11018         (find_oldest_value_reg): Preserve REG_POINTER.
11019         (copy_hardreg_forward_1): Likewise.
11020
11021 2009-01-09  Diego Novillo  <dnovillo@google.com>
11022
11023         * gimple.h (struct gimple_statement_base) <uid>: Document
11024         the restrictions on its use.
11025         (gimple_uid): Tidy.
11026         (gimple_set_uid): Tidy.
11027
11028 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11029
11030         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11031         zero guard even if align_bytes != 0 and count is smaller than
11032         size_needed.
11033
11034 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11035
11036         PR rtl-optimization/38495
11037         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11038         (add_range_and_copies_from_move_list): Print all added ranges.
11039         Add ranges to memory optimized destination.
11040
11041 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11042
11043         PR target/38686
11044         PR target/38708
11045         * config/i386/i386.c (override_options): Reject
11046         -mstringop-strategy=rep_8byte with -m32.
11047         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11048         to 1.  Do count comparison against epilogue_size_needed at compile
11049         time even when count_exp was constant forced into register.  For
11050         size_needed don't jump to epilogue, instead just avoid aligning
11051         and invoke the body algorithm.  If need_zero_guard, add zero guard
11052         even if count is non-zero, but smaller than size_needed + number of
11053         bytes that could be stored for alignment.
11054         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11055         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11056         but smaller than size_needed + number of bytes that could be stored
11057         for alignment.  Compare size_needed with epilogue_size_needed instead
11058         of desired_align - align, don't adjust size_needed, pass
11059         epilogue_size_needed to the epilogue expanders.
11060
11061         PR c/35742
11062         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11063
11064 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11065
11066         * pa.c (last_address): Change to unsigned.
11067         (update_total_code_bytes): Change argument to unsigned.  Don't
11068         check if insn addresses are set.
11069         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11070         addresses are not set.
11071         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11072
11073 2009-01-09  Nick Clifton  <nickc@redhat.com>
11074
11075         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11076         DECL_DECLARED_INLINE_P.
11077
11078 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11079
11080         PR middle-end/38347
11081         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11082         GET_MODE (op0) in operand_subword_force calls.
11083
11084         PR middle-end/38771
11085         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11086         fold_convert arg0 operands to TREE_TYPE (op0) first.
11087
11088 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11089
11090         * params.def (ira-max-conflict-table-size): Decrease default value
11091         to 1000.
11092
11093 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11094
11095         PR tree-optimization/37031
11096         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11097         on parameter_set.
11098         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11099         allocate it using gc instead of heap, use VEC_quick_push instead of
11100         VEC_safe_push.
11101         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11102         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11103         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11104         allocated vector from heap allocated.
11105         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11106         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11107         vector only after perfect_loop_nest_depth call.
11108
11109 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11110             Jan Sjodin  <jan.sjodin@amd.com>
11111
11112         PR tree-optimization/38559
11113         * graphite.c (debug_value, copy_constraint,
11114         swap_constraint_variables, scale_constraint_variable, ): New.
11115         (get_lower_bound, get_upper_bound): Removed.
11116         (graphite_trans_bb_strip_mine): Clean up this code that works
11117         only for constant number of iterations.  Fully copy upper and
11118         lower bound constraints, not only the constant part of them.
11119         * graphite.h (debug_value): Declared.
11120
11121 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11122
11123         PR tree-optimization/37194
11124         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11125         Don't add the cost of cost model guard in prologue to scalar
11126         outside cost in case of known number of iterations.
11127
11128 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11129             Alan Modra  <amodra@bigpond.net.au>
11130
11131         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11132         non-word-aligned REG+CONST addressing.
11133
11134 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11135
11136         PR target/38706
11137         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11138         free_after_compilation when outputting a thunk.
11139         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11140         Do not call free_after_compilation here.
11141
11142 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11143
11144         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11145         (ix86_valid_target_attribute_inner_p): Ditto.
11146
11147 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11148
11149         PR tree-optimization/38492
11150         PR tree-optimization/38498
11151         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11152         * tree-chrec.h (scev_is_linear_expression): Declared.
11153         * graphite.c (graphite_cannot_represent_loop_niter): New.
11154         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11155         (graphite_loop_normal_form): Use gcc_assert.
11156         (scan_tree_for_params): Use CASE_CONVERT.
11157         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11158         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11159         Use gcc_assert.  Discard scops that contain unhandled cases.
11160         (build_scop_conditions): Return a boolean status for unhandled cases.
11161         (strip_mine_profitable_p): Print the loop number, not its depth.
11162         (is_interchange_valid): Pass the depth of the loop nest, don't
11163         recompute it wrongly.
11164         (graphite_trans_bb_block): Same.
11165         (graphite_trans_bb_block): Print tentative of loop blocking.
11166         (graphite_trans_scop_block): Do not print that the loop has been
11167         blocked.
11168         (graphite_transform_loops): Do not handle scops that contain condition
11169         scalar phi nodes.
11170
11171 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11172
11173         AVX Programming Reference (December, 2008)
11174         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11175         (_mm256_stream_pd): Likewise.
11176         (_mm256_stream_ps): Likewise.
11177
11178         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11179         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11180         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11181         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11182         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11183         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11184         (ix86_expand_special_args_builtin): Likewise.
11185
11186         * config/i386/sse.md (AVXMODEDI): New.
11187         (avx_movnt<mode>): Likewise.
11188         (avx_movnt<mode>): Likewise.
11189         (<sse>_movnt<mode>): Remove AVX support.
11190         (sse2_movntv2di): Likewise.
11191
11192 2009-01-07  Richard Guenther  <rguenther@suse.de>
11193
11194         PR middle-end/38751
11195         * fold-const.c (extract_muldiv): Remove obsolete comment.
11196         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11197         to PLUS_EXPR canonicalization for the canonicalization.
11198
11199 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11200
11201         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11202         hosted cross-compilers generating less efficient code.
11203
11204 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11205
11206         * function.h (rtl_data): Add a dbr_scheduled_p field.
11207         * reorg.c (dbr_schedule): Set it.
11208         (gate_handle_delay_slots): Check it.
11209         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11210         (mips_reorg): Check flag_delayed_branch instead of
11211         mips_base_delayed_branch.
11212         (mips_override_options): Don't set mips_base_delayed_branch
11213         or flag_delayed_branch.
11214
11215 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11216
11217         PR rtl-optimization/38426.
11218         * ira.c (ira): Set current_function_is_leaf earlier.
11219
11220 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11221
11222         PR rtl-optimization/38722
11223         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11224         too early, only set a flag and modify after last possible
11225         undo_all point.
11226
11227 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11228
11229         PR c/34252
11230         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11231         * real.c (decimal_single_format): Correct values of emin and emax.
11232         (decimal_double_format): Ditto.
11233         (decimal_quad_format): Ditto.
11234         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11235         computation of DECnn_MIN and DECnn_MAX for corrected values of
11236         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11237         __DECnn_MIN__, and adjust its computation for the corrected value
11238         of emin.
11239
11240 2009-01-06  Jan Hubicka  <jh@suse.cz>
11241
11242         PR target/38744
11243         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11244
11245 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11246
11247         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11248         Add Robert Clark to the list of testers.
11249
11250 2009-01-06  Jan Hubicka  <jh@suse.cz>
11251             Kai Tietz  <kai.tietz@onevision.com>
11252
11253         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11254         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11255
11256 2009-01-06  Jan Hubicka  <jh@suse.cz>
11257             Kai Tietz  <kai.tietz@onevision.com>
11258
11259         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11260         for w64 ABI.
11261         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11262         (ix86_nsaved_regs): Count only general purpose regs.
11263         (ix86_nsaved_sseregs): New.
11264         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11265         to 16 for w64; compute padding and size of sse reg save area.
11266         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11267         general purpose regs.
11268         (ix86_emit_save_sse_regs_using_mov): New.
11269         (ix86_expand_prologue): Save SSE regs if needed.
11270         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11271         (ix86_emit_restore_sse_regs_using_mov): New.
11272         (ix86_expand_epilogue): Save SSE regs if needed.
11273
11274 2009-01-06  Jan Hubicka  <jh@suse.cz>
11275             Kai Tietz  <kai.tietz@onevision.com>
11276
11277         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11278         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11279         functions when accumulate outgoing args is off.
11280
11281 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11282
11283         PR bootstrap/38742
11284         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11285         before using pseudos_have_intersected_live_ranges_p.
11286
11287         * ira-int.h (ira_assert): Always define.
11288
11289 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11290
11291         AVX Programming Reference (December, 2008)
11292         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11293         (_mm256_permute2_pd): Likewise.
11294         (_mm_permute2_ps): Likewise.
11295         (_mm256_permute2_ps): Likewise.
11296         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11297         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11298
11299         * config/i386/i386.c (ix86_builtins): Remove
11300         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11301         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11302         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11303         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11304         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11305         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11306         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11307         __builtin_ia32_vpermil2ps256.
11308         (ix86_init_mmx_sse_builtins): Updated.
11309         (ix86_expand_args_builtin): Likewise.
11310
11311 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11312
11313         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11314         long absolute calls when generating PA 2.0 code.
11315
11316 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11317
11318         PR rtl-optimization/38583
11319         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11320
11321         * params.def (ira-max-conflict-table-size): New.
11322
11323         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11324
11325         * ira.h (ira_conflicts_p): New external definition.
11326
11327         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11328         table.  Report this.  Return result of building.
11329         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11330         building conflict table.
11331
11332         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11333         (ira_color): Use ira_conflicts_p.
11334
11335         * global.c: Include ira.h.
11336         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11337         ira_conflicts_p.
11338
11339         * Makefile.in (global.o): Add ira.h.
11340
11341         * ira-build.c (mark_all_loops_for_removal,
11342         propagate_some_info_from_allocno): New.
11343         (remove_unnecessary_allocnos): Call
11344         propagate_some_info_from_allocno.
11345         (remove_low_level_allocnos): New.
11346         (remove_unnecessary_regions): Add parameter.  Call
11347         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11348         parameter to remove_unnecessary_regions.
11349         (ira_build): Remove all regions but root if the conflict table was
11350         not built.  Update conflict hard regs for allocnos crossing calls.
11351
11352         * ira.c (ira_conflicts_p): New global.
11353         (ira): Define and use ira_conflicts_p.
11354
11355         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11356         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11357         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11358
11359 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11360
11361         * gengtype-lex.l (YY_NO_INPUT): Define.
11362
11363 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11364
11365         PR c/34911
11366         * c-common.c (handle_vector_size_attribute): Also reject
11367         BOOLEAN_TYPE types.
11368
11369 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11370
11371         PR tree-optimization/38492
11372         * graphite.c (rename_map_elt, debug_rename_elt,
11373         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11374         rename_map_elt_info, eq_rename_map_elts,
11375         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11376         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11377         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11378         (sese_build_livein_liveouts): New.
11379         (new_sese, free_sese): New.
11380         (new_scop): Call new_sese.
11381         (free_scop): Call free_sese.
11382         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11383         (register_old_new_names): Renamed register_old_and_new_names.
11384         (register_scop_liveout_renames, add_loop_exit_phis,
11385         insert_loop_close_phis, struct igp,
11386         default_liveout_before_guard, add_guard_exit_phis,
11387         insert_guard_phis, copy_renames): New.
11388         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11389         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11390         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11391         (scop_adjust_phis_for_liveouts): New.
11392         (gloog): Call scop_adjust_phis_for_liveouts.
11393
11394         * graphite.h (struct sese): Documented.  Added fields liveout,
11395         num_ver and livein.
11396         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11397         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11398         (struct scop): Added field liveout_renames.
11399         (SCOP_LIVEOUT_RENAMES): New.
11400
11401 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11402
11403         PR tree-optimization/38510
11404         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11405         (translate_clast): Call recompute_all_dominators before
11406         graphite_verify.
11407         (gloog): Call recompute_all_dominators before graphite_verify.
11408
11409 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11410             Jan Sjodin  <jan.sjodin@amd.com>
11411
11412         PR tree-optimization/38500
11413         * graphite.c (create_sese_edges): Call fix_loop_structure after
11414         splitting blocks.
11415
11416 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11417
11418         * config.gcc: Add m32r*-*-rtems*.
11419         * config/m32r/rtems.h: New file.
11420
11421 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11422
11423         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11424         (.po.pox): Likewise.
11425         (po/gcc.pot): Likewise.
11426
11427 2009-01-04  David S. Miller  <davem@davemloft.net>
11428
11429         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11430         (STARTING_FRAME_OFFSET): Always set to zero.
11431
11432 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11433
11434         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11435         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11436         fixed-point types, and vectors of the same.
11437
11438 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11439
11440         * config/mips/sync.md (*mb_barrier): Rename to...
11441         (*memory_barrier): ...this.
11442
11443 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11444
11445         * doc/extend.texi (Function Attributes): Move @cindex after @item
11446         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11447         and put in alphabetical order. Fix 'target' name and put in order.
11448         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11449         typos.
11450
11451 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11452
11453         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11454         (memory_barrier): Expand as unspec instead of unspec_volatile.
11455         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11456         (*memory_barrier): Define as unspec instead of unspec_volatile.
11457         Use (match_dup 0) as input operand.
11458
11459         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11460         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11461         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11462         scratch register.  Remove operand 1.
11463         (*stbar): Define as unspec instead of unspec_volatile.
11464         Use (match_dup 0) as input operand, remove (const_int 8).
11465         (*membar): Define as unspec instead of unspec_volatile.
11466         Use (match_dup 0) as input operand, remove input operand 2.
11467
11468         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11469         (memory_barrier): Expand as unspec instead of unspec_volatile.
11470         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11471         (*memory_barrier): Define as unspec instead of unspec_volatile.
11472         Use (match_dup 0) as input operand.
11473
11474         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11475         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11476         Set volatile flag on operand 0.
11477         (*memory_barrier): New insn pattern.
11478
11479         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11480         insn operands.
11481         (*memory_barrier): Use (match_dup 0) as input operand.
11482
11483         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11484         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11485         Set volatile flag on operand 0.
11486         (*mb_internal): New insn pattern.
11487
11488         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11489
11490 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11491
11492         PR middle-end/38586
11493         * function.c (struct temp_slot): Move to the section of the file
11494         that deals with temp slots.  Remove field 'address'.
11495         (temp_slot_address_table): New hash table of address -> temp slot.
11496         (struct temp_slot_address_entry): New struct, items for the table.
11497         (temp_slot_address_compute_hash, temp_slot_address_hash,
11498         temp_slot_address_eq, insert_temp_slot_address): Support functions
11499         for the new table.
11500         (find_temp_slot_from_address): Rewrite to use the new hash table.
11501         (remove_unused_temp_slot_addresses): Remove addresses of temp
11502         slots that have been made available.
11503         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11504         worker function for remove_unused_temp_slot_addresses.
11505         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11506         Add the temp slot address to the address -> temp slot map.
11507         (update_temp_slot_address): Update via insert_temp_slot_address.
11508         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11509         (pop_temp_slots): Likewise.
11510         (init_temp_slots): Allocate the address -> temp slot map, or empty
11511         the map if it is already allocated.
11512         (prepare_function_start): Initialize temp slot processing.
11513
11514 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11515
11516         PR middle-end/38584
11517         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11518         Calculate the size of all stack vars assuming no packing of stack
11519         vars will happen, replacing a quadratic algorithm with a linear one.
11520
11521 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11522
11523         PR target/38707
11524         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11525         can't be used.
11526
11527 2009-01-03  Diego Novillo  <dnovillo@google.com>
11528
11529         * doc/contrib.texi: Update contributions.
11530
11531 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11532
11533         PR c++/38705
11534         * builtins.c (fold_builtin_memory_op): Give up if either operand
11535         is volatile.  Set srctype or desttype to non-qualified version
11536         of the other type.
11537
11538         PR c/38700
11539         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11540         and FUNCTION_DECLs.
11541
11542 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11543
11544         PR rtl-optimization/35805
11545         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11546         problem if fast dce is able to remove any instructions.
11547         * dce.c (dce_process_block): Fix dump message.
11548
11549 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11550
11551         PR 33649
11552         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11553
11554 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11555
11556         PR middle-end/38690
11557         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11558         * tree-pretty-print.c (op_code_prio): New function.
11559         (op_prio): No longer static.  Use op_code_prio.
11560         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11561         Use op_prio and op_code_prio to determine if () should be
11562         printed around operand(s) or not.
11563
11564         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11565         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11566         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11567         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11568         pp_character instead of pp_string for single letter printing.
11569
11570 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11571
11572         * doc/extend.texi: Fix '#pragma GCC option' typo.
11573
11574 2009-01-02  Richard Guenther  <rguenther@suse.de>
11575
11576         * doc/install.texi (--enable-checking): Mention different
11577         default for stage1.
11578         (--enable-stage1-checking): Document.
11579
11580 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11581
11582         PR middle-end/30142
11583         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11584         case to be an error.
11585
11586 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11587
11588         * config/fp-bit.h (pack_d): Constify argument.
11589         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11590         (isnan): Constify argument.
11591         (isinf): Likewise.
11592         (iszero): Likewise.
11593         (pack_d): Likewise.
11594         (_fpadd_parts): Constify return type.
11595         (_fpmul_parts): Likewise.
11596         (_fpdiv_parts): Likewise.
11597
11598 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11599
11600         PR c/36489
11601         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11602         warn about overwriting initializer with side-effects or
11603         -Woverride-init if !IMPLICIT.
11604         (output_init_element): Likewise.  Pass IMPLICIT down to
11605         add_pending_init.
11606         (process_init_element): Add IMPLICIT argument.  Pass it down
11607         to output_init_element.
11608         (push_init_element, pop_init_level, set_designator): Adjust
11609         process_init_element callers.
11610         (set_nonincremental_init, set_nonincremental_init_from_string):
11611         Adjust add_pending_init callers.
11612         (output_pending_init_elements): Adjust output_init_element callers.
11613         * c-tree.h (process_init_element): Adjust prototype.
11614         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11615         process_init_element callers.
11616
11617 \f
11618 Copyright (C) 2009 Free Software Foundation, Inc.
11619
11620 Copying and distribution of this file, with or without modification,
11621 are permitted in any medium without royalty provided the copyright
11622 notice and this notice are preserved.