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* Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-13  Ian Lance Taylor  <iant@google.com>
2
3         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
4         tree.def.
5
6 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
7
8         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
9         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
10         multilibs.
11         * config/m68k/m68k.h (FL_UCLINUX): Define.
12
13 2009-05-13  Jan Hubicka  <jh@suse.cz>
14
15         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
16
17 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
18
19         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
20         unless -fschedule-insns is specified.
21
22 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
23
24         PR target/39561
25         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
26         TARGET_EXPAND_CBRANCHDI4.
27         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
28         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
29         (cmpeqdi): Fix comment.
30
31 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
32
33         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
34         (sh_legitimate_address_p): Likewise.
35         * config/sh/sh.c (sh_legitimate_index_p): New.
36         (sh_legitimate_address_p): Likewise.
37         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
38         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
39         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
40         (MAYBE_BASE_REGISTER_RTX_P): New macro.
41         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
42         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
43         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
44         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
45         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
46
47 2009-05-12  Jan Hubicka  <jh@suse.cz>
48
49         * tree-inline.c (estimate_operator_cost): Add operands;
50         when division happens by constant, it is cheap.
51         (estimate_num_insns): Loads and stores are not having cost of 0;
52         EH magic stuff is cheap; when computing runtime cost of switch,
53         use log2 base of amount of its cases; builtin_expect has cost of 0;
54         compute cost for moving return value of call.
55         (init_inline_once): Initialize time_based flags.
56         * tree-inline.h (eni_weights_d): Add time_based flag.
57
58 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
59
60         * df-core.c: Update head documentation.
61
62 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
63
64         PR bootstrap/40118
65         * rs6000.c (rs6000_generate_compare): Use op1b instead of
66         shadowing exisiting variable op1.
67
68 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
69
70         PR target/37179
71         * config/i386/driver-i386.c (processor_signatures): New enum.
72         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
73         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
74         processor signature to detect geode processor.
75
76 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
77
78         Revert:
79
80         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
81
82         * optabs.c (prepare_cmp_insn): Temporarily disable test that
83         causes spurious differences between trunk and cond-optab branch.
84
85 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
86
87         * dojump.c (compare_from_rtx): Delete.
88         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
89         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
90         if the comparison does not satisfy the predicate; test predicates for
91         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
92         further if one existing pattern fails.
93         * expr.h (compare_from_rtx): Delete.
94         (prepare_operand): Declare it.
95         * optabs.c: Change "lib call" to "libcall" throughout.
96         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
97         HAVE_conditional_trap, emit_cmp_insn): Delete.
98         (can_compare_p): Delete cmp_optab case.
99         (prepare_float_lib_cmp): Return an rtx and a machine mode.
100         Accept other parameters by value.
101         (prepare_operand): Make non-static.
102         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
103         other parameters by value.  Try to widen operands here based on
104         an optab_methods argument and looking at cbranch_optab.
105         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
106         loop.  Use cbranch_optab directly.
107         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
108         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
109         assertion.
110         (emit_conditional_move, emit_conditional_add): Inline what's needed
111         of compare_from_rtx, using new prepare_cmp_insn for the rest.
112         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
113         with COMPARE.  Move cmov_optab and cstore_optab above
114         with cbranch_optab, move cmp_optab down with ucmp_optab,
115         remove tst_otpab.  Do not initialize trap_rtx.
116         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
117         for trap code.  Do not check HAVE_conditional_trap.  Use
118         prepare_cmp_insn.  Accept no predicate for operand 3.
119         * optabs.h (OTI_cmp): Mark as used only for libcalls.
120         (OTI_ctrap, ctrap_optab): New.
121         (tst_optab): Delete.
122         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
123         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
124         with lookup of ctrap_optab.
125         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
126         setcc_gen_code): Delete.
127         (ctrap_optab): New.
128
129         * combine.c (combine_simplify_rtx, simplify_set): Do not
130         special case comparing against zero for cc0 machines.
131         * simplify-rtx.c (simplify_binary_operation_1): Never remove
132         COMPARE on cc0 machines.
133         (simplify_relational_operation): Return a new expression when
134         a COMPARE could be removed.
135         * final.c (final_scan_insn): Compare cc_status values
136         against LHS of a (compare FOO (const_int 0)) cc0 source.
137         Also check if cc_status.value is the full compare.
138
139         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
140         (cstoreMM4): Document.
141         (conditional_trap): Document ctrapMM4 instead.
142         (sync_compare_and_swapMM): Refer to cbranchcc4.
143         (Dependent Patterns): Eliminate obsolete information referring to
144         the old jump optimization phase.
145         (Canonicalization): Include cbranchcc4 case, omit canonicalization
146         of compares with 0 on cc0 machines.
147         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
148         avoiding references to cc0.  Remove text about storing operands
149         in cmpMM.
150         * doc/tm.texi (Condition Codes): Include blurb on different
151         condition code representations, separate into subsections for
152         CC0, MODE_CC and conditional execution.
153
154         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
155         alpha_emit_setcc): Accept operands and a machine mode.
156         * config/alpha/alpha.c (alpha_emit_conditional_branch):
157         Get code/op0/op1 from operands, use machine mode argument
158         instead of alpha_compare.fp_p.  Emit the branch here.
159         (alpha_emit_setcc): Likewise, and return boolean.
160         (alpha_emit_conditional_move): Likewise.  Assert that
161         cmp_op_mode == cmp_mode, and simplify accordingly.
162         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
163         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
164         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
165         Delete.
166         (stack probe test): Use cbranchdi4.
167         * config/alpha/predicates.md (alpha_cbranch_operator): New.
168
169         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
170         * config/arc/arc.h (movsicc, movsfcc): Use it.
171         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
172         (cbranchsi4, cstoresi4): New.
173         (cmpsi, bCC and sCC expanders): Remove. 
174
175         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
176         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
177         * config/arm/predicates.md (arm_comparison_operator): Only include
178         floating-point operators if there is a hardware floating-point unit.
179         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
180         deferring to cbranch_cc and cstore_cc respectively.
181         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
182         cbranch_cc, cstore_cc): New.
183         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
184         arm_compare_op1.
185         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
186
187         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
188         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
189         as an argument.
190         (adjust_insn_length): Adjust calls.
191         (avr_reorg): Handle (compare (foo) (const_int 0)).
192         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
193         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
194         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
195         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
196         (bCC): Remove.
197         (cbranchqi4, cbranchhi4, cbranchsi4): New.
198         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
199
200         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
201         (cbranchsi4, cstorebi4, cstoresi4): New.
202         (movbisi): This insn is duplicate, split it to zero_extend.
203         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
204         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
205         (bfin_optimize_loop): Use cbranch expander.
206         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
207         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
208         (bfin_bimode_comparison_operator): ... this.
209         (bfin_direct_comparison_operator): New.
210  
211         * config/cris/cris.c (cris_normal_notice_update_cc): Look
212         inside (compare FOO (const_int 0)).
213         (cris_rtx_costs): Handle ZERO_EXTRACT.
214         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
215         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
216         (*tstdi_v32): Delete.
217         (*cmpdi_non_v32): Add M alternative for operand 1.
218         (cmpsi, cmp<mode>): Make private.
219         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
220         with COMPARE.
221         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
222
223         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
224         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
225         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
226         (cc_reg_operand): New.
227         (any_cond): Delete.
228         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
229         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
230         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
231         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
232         crx_expand_scond): Delete.
233
234         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
235         (cbranchsi4): New.
236         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
237         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
238
239         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
240         cstoresi4, cstoresf4, cstoredf4): New.
241         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
242         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
243         Receive the entire operands array.
244         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
245         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
246         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
247         Get test/op0/op1 from the operands array.
248         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
249
250         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
251         (h8300_expand_store): New.
252         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
253         (const_int 0)).
254         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
255         (h8300_expand_store): New.
256         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
257         or do not try to produce (set (cc0) REG).
258         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
259         change a compare into a move to a scratch register.  Disable some
260         peepholes when comparing with zero.
261         (tstsi, tsthi, tstsi, cmpqi): Make private.
262         (cmphi): Delete.
263         (bCC, sCC): Delete.
264         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
265         cstoresi4): New.
266
267         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
268         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
269         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
270         (ix86_emit_i387_log1p): Use cbranchxf2.
271         (ix86_expand_setcc): Return void.
272         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
273         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
274         cmp<MODEF>, cmpcc): Remove.
275         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
276         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
277         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
278         (sCC and bCC expanders): Remove.
279         (stack_protect_test): Use cbranchcc4.
280
281         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
282         Delete.
283         (ia64_expand_compare): Accept three rtx by reference and return void.
284         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
285         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
286         from *expr.  Update *expr with the BImode comparison to do.
287         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
288         cmptf, bCC, sCC, conditional_trap): Delete.
289         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
290         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
291         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
292         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
293         * config/ia64/predicates.md (ia64_cbranch_operator): New.
294
295         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
296         type of last argument.
297         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
298         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
299         use machine mode argument instead of branch_type.  Remove dead
300         code for floating-point comparisons.
301         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
302         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
303         Remove.
304         (cbranchsi4, cstoresi4): New.
305         * config/iq2000/predicates.md (reg_or_const_operand): New.
306
307         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
308         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
309         (b<code>_op): Rewrite to...
310         (bcc_op): ... this, using match_operator.
311         (s<code>_op): Rewrite to...
312         (scc_op): ... this, using match_operator.
313         (s<code>_24_op): Rewrite to...
314         (scc_op_24): ... this, using match_operator.
315         (s<code>_<mode>): Rewrite to...
316         (cstore<mode>4): ... this, using match_operator.
317         (s<code>_<mode>_24): Rewrite to...
318         (cstore<mode>4_24): ... this, using match_operator.
319         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
320         m32c_unpend_compare, m32c_expand_scc): Delete.
321         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
322         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
323         (m32c_expand_movcc): Change NE to EQ if necessary.
324         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
325
326         * config/m32r/m32r-protos.h (gen_cond_store): New.
327         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
328         (gen_cond_store): New, from sCC patterns.
329         (m32r_expand_block_move): Use cbranchsi4.
330         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
331         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
332         (cbranchsi4, cstoresi4): New.
333         
334         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
335         Delete.
336         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
337         (m68hc11_notice_update_cc): Look into a compare with 0.
338         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
339         Delete.
340         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
341         cmphi, cmpqi, bCC): Delete.
342         (cbranchsi4, cbranchhi4, cbranchqi4): New.
343         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
344         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
345         sets with COMPARE.
346
347         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
348         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
349         * config/m68k/constraints.md (H): New.
350         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
351         the define_insn below.
352         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
353         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
354         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
355         patterns): Wrap RHS with COMPARE.
356         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
357         (*cmpdi_internal): Name this pattern.
358         (cmpdi): Change to define_insn.
359         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
360         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
361         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
362         predicate.
363         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
364         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
365         (conditional_trap): Change to...
366         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
367         (*conditional_trap): Use the ordered_comparison_operator and
368         const1_operand predicates.
369         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
370         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
371         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
372         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
373
374         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
375         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
376         (mcore_gen_compare): New. 
377         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
378         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
379         (mcore_gen_compare): ... this.
380         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
381         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
382         (stack probe pattern): Use cbranchsi4.
383
384         * config/mips/predicates.md (mips_cstore_operator): New.
385         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
386         * config/mips/mips.md (any_cond): Delete.
387         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
388         always succeed.
389         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
390         fixuns_truncsfdi2): Use cbranch patterns.
391         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
392         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
393         Adjust call to mips_expand_conditional_branch.
394         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
395         cstore<GPR:mode>4.
396         * config/mips/mips-protos.h (mips_expand_conditional_branch,
397         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
398         * config/mips/mips.c (cmp_operands): Delete.
399         (mips_emit_compare): Get comparison operands from *op0/*op1.
400         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
401         that it succeeds.  Use op0/op1 instead of cmp_operands.
402         (mips_expand_conditional_branch, mips_expand_conditional_move,
403         mips_expand_conditional_trap): Likewise.
404         (mips_block_move_loop): Use cbranch patterns. 
405         * config/mips/mips.h (cmp_operands): Delete.
406
407         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
408         (mmix_gen_compare_reg): Just return a register in the right CC mode.
409         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
410         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
411         (*cmpcc_folded): Rename to...
412         (*cmpdi_folded): this.
413         (*cmpcc): Rename to...
414         (*cmps): ... this.
415         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
416         (bCC): Remove.
417         (cbranchdi4): New.
418         (cbranchdf4): New.  Handle invalid comparisons here.
419         * config/mmix/predicates.md (float_comparison_operator): New.
420
421         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
422         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
423         * config/mn10300/mn10300.md (tst): Delete.
424         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
425         Name these patterns and wrap RHS in a compare.
426         (*cmpsi): Make this pattern private.  Include tst.
427         (*cmpsf): Make this pattern private.
428         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
429         (compare with zero peepholes): Likewise.
430         (bCC): Remove.
431         (cbranchsi4, cbranchsf4): New.
432         (casesi): Use cbranchsi4.
433
434         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
435         hppa_branch_type): Delete.
436         (return_addr_rtx): Use cbranchsi4.
437         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
438         Emit CCFPmode comparison here.
439         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
440         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
441         hppa_branch_type): Delete.
442         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
443         (movsicc, movdicc): Remove references to hppa_compare_op0,
444         hppa_compare_op1 and compare_from_rtx.
445         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
446         (casesi): Use cbranchsi4.
447
448         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
449         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
450         * config/pdp11/pdp11.md (register_or_const0_operand): New.
451         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
452         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
453         (bCC): Delete.
454         (cbranchdf4, cbranchhi4, cbranchqi4): New.
455         (*branch, *branch_inverted): New.
456
457         * config/picochip/picochip.md (cbranchhi4): Use
458         ordered_comparison_operator.
459         (cmphi, bCC): Remove.
460
461         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
462         (trap_comparison_operator): Delete.
463         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
464         rs6000_emit_cbranch): Accept mode and operands.
465         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
466         rs6000_compare_fp_p): Delete.   
467         (rs6000_generate_compare): Accept mode and comparison.  Extract code
468         and op0/op1 from there.  Replace references to rs6000_compare_op0
469         and rs6000_compare_op1.
470         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
471         extract result from passed operands.
472         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
473         extract loc from passed operands.
474         (rs6000_emit_cmove): Likewise.
475         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
476         rs6000_compare_fp_p): Delete.
477         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
478         (cbranch<GPR>4, cbranch<FP>4): New.
479         (cstore<mode>4): New.  Consolidate here all choices about when to use
480         portable or specialized sCC sequences.
481         (stack_protect_test): Use cbranchsi4.
482         (conditional_trap): Replace with ctrap<GPR>4.
483         (conditional trap insn): Replace trap_comparison_operator with
484         ordered_comparison_operator. 
485
486         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
487         (s390_emit_prologue): Use ctrap.
488         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
489         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
490         New predicates replacing...
491         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
492         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
493         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
494         (add<mode>cc): Do not use s390_compare_op0/op1.
495         (s<code>): Change to...
496         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
497         (seq): Change to...
498         (cstorecc4): ... this.  Handle EQ or NE equally.
499         (*sne): Un-privatize for use in cstorecc4.
500         (b<code>): Change to...
501         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
502         (conditional_trap): Replace with...
503         (ctrap<GPR>4, ctrap<FP>4): ... these.
504         (stack_protect): Use cbranchcc4.
505
506         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
507         * config/score/score-protos.h (score_gen_cmp): Delete.
508         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
509         (score_block_move-loop): Use cbranchsi4.
510         * config/score/score.md (cbranchsi4): New.
511         (cmpsi, bCC): Delete.
512         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
513         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
514         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
515         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
516         * config/score/score3.h (score3_gen_cmp): Delete.
517         * config/score/score7.h (score7_gen_cmp): Delete.
518
519         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
520         (sh_emit_scc_to_t): ... this.  Return void.
521         (from_compare): Rename to...
522         (sh_emit_compare_and_branch): ... this.
523         (sh_emit_compare_and_set): New.
524         (sh_expand_t_scc): Accept operands.
525         * config/sh/predicates.md (sh_float_comparison_operator): New.
526         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
527         (prepare_scc_operands): Rename to...
528         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
529         arguments.
530         (sh_emit_cheap_store_flag): New.
531         (sh_emit_set_t_insn): New.
532         (from_compare): Rename to...
533         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
534         handling of TARGET_SH2E floating point to avoid recursive call.
535         Generate branch here.
536         (sh_emit_compare_and_set): New.
537         (sh_expand_t_scc): Get op0/op1 from arguments.
538         (sh_emit_cheap_store_flag): New.
539         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
540         cases.
541         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
542         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
543         (movsicc, movdicc): Do nothing when it recreated operands from
544         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
545         prepare_scc_operands (now sh_emit_scc_to_t).
546         (udivdi3): Use cstoresi4.
547         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
548         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
549         (cbranchint4_media, cbranchfp4_media): New.
550         (casesi): Use cbranchdi4.
551         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
552         Delete.
553         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
554         (movnegt): Remove second operand.
555         (cbranchsf4, cbranchdf4): New.
556         (stack_protect): Use cbranchdi4/cbranchsi4.
557
558         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
559         (gen_compare_reg): Accept comparison, extract part of it to...
560         (gen_compare_reg_1): ... this. 
561         (gen_compare_operator): Delete.
562         (gen_v9_scc): Accept separate destination, comparison code and arms.
563         Do not use sparc_compare_op0/sparc_compare_op1.
564         (emit_scc_insn, emit_conditional_branch_insn): New.
565         (emit_v9_brxx): Make static.  Remove useless assertion.
566         (sparc_emit_float_lib_cmp): Return RTL instead of calling
567         emit_cmp_insn.
568         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
569         * config/sparc/sparc-protos.h (gen_compare_reg,
570         sparc_emit_float_lib_cmp): Adjust prototype.
571         (emit_scc_insn, emit_conditional_branch_insn): New.
572         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
573         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
574         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
575         iterators to the top.
576         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
577         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
578         snedi_special_trunc): Delete.
579         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
580         and snedi_special_trunc.
581         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
582         cbranchdi4, cbranch<F:mode>4): New.
583         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
584         here.  Use gen_compare_reg instead of gen_compare_operator.
585         (conditional_trap): Replace with...
586         (ctrapsi4, ctrapdi4): ... this.
587         (stack_protect_test): Use cbranchcc4.
588
589         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
590         argument to rtx.
591         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
592         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
593         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
594         from operands[0] or operands[3] depending on is_set.
595         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
596         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
597         cmpdf, bCC), sCC: Remove.
598         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
599         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
600         cstoredf4): New.
601         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
602         spu_emit_branch_or_set.
603
604         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
605         Add two arguments.
606         * config/stormy16/stormy16.h (xstormy16_compare_op0,
607         xstormy16_compare_op1): Delete.
608         * config/stormy16/stormy16.c (xstormy16_compare_op0,
609         xstormy16_compare_op1): Delete. 
610         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
611         Adjust calls.
612         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
613         (cmphi, cmpsi, bCC): Remove.
614
615         * config/v850/v850.md (tstsi, cmpsi): Fold into...
616         (*cmpsi): ... this one.
617         (cbranchsi4, cstoresi4): New.
618         (bCC expanders): Delete.
619         (sCC insns): Fold into...
620         (*setcc): ... this one.
621         (casesi): Do not use gen_cmpsi and gen_bgtu. 
622         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
623         (movsicc): Simplify.
624         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
625
626         * config/vax/vax-protos.h (cond_name): New.
627         (vax_output_conditional_branch): Remove.
628         * config/vax/vax.c (cond_name): New.
629         (vax_output_conditional_branch): Remove.
630         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
631         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
632         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
633         (bit<VAXint>): Wrap source with (compare).
634         (b<code> and following unnamed pattern): Rename to *branch and
635         *branch_reversed.  Change macroization to match_operator.
636         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
637
638         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
639         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
640         Change last argument to machine_mode.
641         (xtensa_expand_scc): Add machine_mode argument.
642         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
643         (gen_conditional_move, xtensa_expand_conditional_branch,
644         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
645         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
646         Adjust operand numbers.
647         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
648         Delete.
649         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
650         (cmpsi, cmpsf, b<code>, s<code>): Delete.
651         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
652
653 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
654
655         * optabs.c (prepare_cmp_insn): Temporarily disable test that
656         causes spurious differences between trunk and cond-optab branch.
657
658 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
659
660         PR target/37137
661         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
662
663 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
664
665         * tree.c (iterative_hash_pointer): Delete.
666         (iterative_hash_expr): Short-circuit handling of NULL pointer.
667         Hash UIDs and versions of SSA names.  Don't special-case built-in
668         function declarations.
669
670 2009-05-11  Ian Lance Taylor  <iant@google.com>
671
672         PR bootstrap/40103
673         * graphite.c: Force -Wc++-compat to only be a warning before
674         #including "cloog/cloog.h".
675
676 2009-05-11  Martin Jambor  <mjambor@suse.cz>
677
678         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
679         
680 2009-05-11  Jan Hubicka  <jh@suse.cz>
681
682         * tree-ssa-loop-ivcanon.c: Include target.h
683         (struct loop_size): new structure.
684         (constant_after_peeling): New predicate.
685         (tree_estimate_loop_size): New function.
686         (estimated_unrolled_size): Rewrite for new estimates.
687         (try_unroll_loop_completely): Use new estimates.
688         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
689
690 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
691
692         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
693         libcpp interface change.
694         (spu_macro_to_expand): Likewise.
695
696 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
697
698         PR tree-optimization/40026
699         * gimplify.c (gimplify_init_constructor): Change initial conditional
700         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
701         optimize_compound_literals_in_ctor.
702
703 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
704
705         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
706         New devices.
707         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
708
709 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
710
711         * tree-vect-data-refs.c (vect_analyze_group_access): Use
712         HOST_WIDE_INT for gap.
713
714 2009-05-11  Ira Rosen  <irar@il.ibm.com>
715
716         PR tree-optimization/40074
717         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
718         account in group size and step comparison.
719
720 2009-05-11  Richard Guenther  <rguenther@suse.de>
721
722         * passes.c (init_optimization_passes): Strip now incorrect comment.
723         (execute_function_todo): Do not set PROP_alias.
724         * tree-pass.h (PROP_alias): Remove.
725         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
726         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
727         * tree-nrv.c (pass_return_slot): Likewise.
728         * tree-object-size.c (pass_object_sizes): Likewise.
729         * tree-ssa-dom.c (pass_dominator): Likewise.
730         (pass_phi_only_cprop): Likewise.
731         * tree-ssa-dse.c (pass_dse): Likewise.
732         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
733         (pass_cselim): Likewise.
734         * tree-ssa-pre.c (pass_pre): Likewise.
735         (pass_fre): Likewise.
736         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
737         * tree-ssa-sink.c (pass_sink_code): Likewise.
738         * tree-stdarg.c (pass_stdarg): Likewise.
739         * tree-tailcall.c (pass_tail_calls): Likewise.
740         * tree-vrp.c (pass_vrp): Likewise.
741
742 2009-05-10  Ian Lance Taylor  <iant@google.com>
743
744         * basic-block.h (enum profile_status): Break out of struct
745         control_flow_graph.
746         * cgraph.h (struct inline_summary): Break out of struct
747         cgraph_local_info.
748         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
749         of struct cgraph_order_sort.
750         * combine.c (enum undo_kind): New enum, broken out of struct undo.
751         * cse.c (struct branch_path): Break out of struct
752         cse_basic_block_data.
753         * except.h (enum eh_region_type): Break out of struct eh_region.
754         * gcc.c (enum add_del): Break out of struct modify_target.
755         * genrecog.c (enum decision_type): Break out of struct decision_test.
756         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
757         ggc_pch_data.
758         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
759         * regmove.c (enum match_use): New enum, broken out of struct match.
760         * sched-int.h (enum post_call_group): New enum, broken out of
761         struct deps.
762         (struct deps_reg): Break out of struct deps.
763         * target.h (struct asm_int_op): Break out of struct gcc_target.
764         * tree-eh.c (struct goto_queue_node): Break out of struct
765         leh_tf_state.
766         * tree-inline.h (enum copy_body_cge_which): Break out of
767         copy_body_data.
768         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
769
770         * c-decl.c (in_struct, struct_types): New static variables.
771         (pushtag): Add loc parameter.  Change all callers.
772         (lookup_tag): Add ploc parameter.  Change all callers.
773         (check_compound_literal_type): New function.
774         (parser_xref_tag): Add loc parameter.  Change all callers.  If
775         -Wc++-compat, warn about struct/union/enum types defined within a
776         struct or union.
777         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
778         and loc parameters.  Change all callers.  Change error calls to
779         error_at, using loc.  For a redefinition, if the location of the
780         original definition is known, report it.  Set in_struct and
781         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
782         (finish_struct): Add new parameters enclosing_in_struct and
783         enclosing_struct_types.  Change all callers.  Set
784         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
785         in the struct.  If in a struct, add this struct to struct_types.
786         (start_enum): Add loc parameter.  Change all callers.  Use
787         error_at for errors, using loc.  For a redefinition, if the
788         location of the original definition is known, report it.  If in a
789         struct, add this enum type to struct_types.  If -Wc++-compat warn
790         if in sizeof, typeof, or alignof.
791         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
792         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
793         (c_parser_enum_specifier): Get enum location for start_enum.
794         (c_parser_struct_or_union_specifier): Get struct location for
795         start_struct.  Save in_struct and struct_types status between
796         start_struct and finish_struct.
797         (c_parser_cast_expression): Get location of cast.
798         (c_parser_alignof_expression): Get location of type.
799         (c_parser_postfix_expression): Likewise.
800         (c_parser_postfix_expression_after_paren_type): Add type_loc
801         parameter.  Change all callers.  Call check_compound_literal_type.
802         Use type_loc for error about variable size type.
803         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
804         of an enum constant from an enum type defined in a struct or union.
805         (c_cast_expr): Add loc parameter.  Change all callers.  If
806         -Wc++-compat, warn about defining a type in a cast.
807         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
808         (start_enum, start_struct, finish_struct): Update declarations.
809         (parser_xref_tag, c_cast_expr): Update declarations.
810         (check_compound_literal_type): Declare.
811
812 2009-05-11  Ben Elliston  <bje@au.ibm.com>
813
814         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
815         for recent libcpp interface change.
816         (rs6000_macro_to_expand): Likewise.
817
818 2009-05-10  Michael Matz  <matz@suse.de>
819
820         PR target/40031
821         * config/arm/arm.c (require_pic_register): Emit on entry edge,
822         not at entry of function.
823
824 2009-05-10  Richard Guenther  <rguenther@suse.de>
825
826         PR tree-optimization/40081
827         Revert
828         * tree-sra.c (instantiate_element): Instantiate scalar replacements
829         using the main variant of the element type.  Do not fiddle with
830         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
831
832         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
833         structs with volatile fields.
834
835 2009-05-10  Jan Hubicka  <jh@suse.cz>
836
837         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
838         (estimate_move_cost): Assert that it does not get called for
839         VOID_TYPE_P.
840         (estimate_num_insns): Skip VOID types in argument handling.
841         (optimize_inline_calls): Delete unreachable blocks and verify that
842         callgraph is valid.
843
844 2009-05-10  Jan Hubicka  <jh@suse.cz>
845
846         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
847         * cgraph.c (cgraph_mark_address_taken_node): New function.
848         (dump_cgraph_node): Dump new flag.
849         * cgraph.h (struct cgraph_node): Add address_taken.
850         (cgraph_mark_address_taken_node): New function.
851         * ipa.c (cgraph_postorder): Prioritize functions with address taken
852         since new direct calls can be born.
853
854 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
855
856         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
857         tok->val.node.node.
858
859 2009-05-10  Jan Hubicka  <jh@suse.cz>
860
861         PR middle-end/40084
862         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
863         argument; rewrite.
864         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
865         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
866         * tree-inline.c (copy_bb): Set frequency correctly.
867         (fold_marked_statements): Update call to
868         cgraph_update_edges_for_call_stmt.
869
870 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
871
872         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
873         identifiers in diagnostics.
874         * config/arm/arm.c (arm_handle_fndecl_attribute,
875         arm_handle_isr_attribute): Likewise.
876         * config/avr/avr.c (avr_handle_progmem_attribute,
877         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
878         Likewise.
879         * config/bfin/bfin.c (handle_int_attribute,
880         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
881         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
882         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
883         Likewise.
884         * config/darwin.c (darwin_handle_kext_attribute,
885         darwin_handle_weak_import_attribute): Likewise.
886         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
887         h8300_handle_eightbit_data_attribute,
888         h8300_handle_tiny_data_attribute): Likewise.
889         * config/i386/i386.c (ix86_handle_cconv_attribute,
890         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
891         Likewise.
892         * config/i386/winnt.c (ix86_handle_shared_attribute,
893         ix86_handle_selectany_attribute): Likewise.
894         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
895         * config/m32c/m32c.c (function_vector_handler): Likewise.
896         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
897         m68hc11_handle_fntype_attribute): Likewise.
898         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
899         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
900         * config/mips/mips.c (mips_insert_attributes,
901         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
902         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
903         rs6000_handle_struct_attribute): Likewise.
904         * config/sh/sh.c (sh_insert_attributes,
905         sh_handle_resbank_handler_attribute,
906         sh_handle_interrupt_handler_attribute,
907         sh2a_handle_function_vector_handler_attribute,
908         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
909         Likewise.
910         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
911         * config/spu/spu.c (spu_handle_fndecl_attribute,
912         spu_handle_vector_attribute): Likewise.
913         * config/stormy16/stormy16.c
914         (xstormy16_handle_interrupt_attribute): Likewise.
915         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
916         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
917
918 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
919
920         * pretty-print.h (struct pretty_print_info): Add
921         translate_identifiers.
922         (pp_translate_identifiers): New.
923         (pp_identifier): Only conditionally translate identifier to locale
924         character set.
925         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
926         (pp_base_tree_identifier): Only conditionally translate identifier
927         to locale character set.
928         * c-pretty-print.c (M_): Define.
929         (pp_c_type_specifier, pp_c_primary_expression): Mark English
930         fragments for conditional translation with M_.
931         * tree-pretty-print.c (maybe_init_pretty_print): Disable
932         identifier translation.
933
934 2009-05-10  Richard Guenther  <rguenther@suse.de>
935
936         PR tree-optimization/40081
937         * tree-sra.c (instantiate_element): Instantiate scalar replacements
938         using the main variant of the element type.  Do not fiddle with
939         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
940
941 2009-05-09  Jan Hubicka  <jh@suse.cz>
942
943         PR middle-end/40080
944         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
945         indirect calls; verify cgraph afterwards.
946
947 2009-05-09  Jan Hubicka  <jh@suse.cz>
948
949         PR bootstrap/40082
950         * ipa.c (update_inlined_to_pointer): New function.
951         (cgraph_remove_unreachable_nodes): Use it.
952
953 2009-05-09  Jan Hubicka  <jh@suse.cz>
954
955         * tree-eh.c (struct leh_state): Remove prev_try.
956         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
957         not track prev_try.
958         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
959         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
960         remove_eh_handler_and_replace, foreach_reachable_handler,
961         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
962         * except.h (struct eh_region): Remove eh_region_u_cleanup.
963         (gen_eh_region_cleanup): Update prototype.
964
965 2009-05-09  Jan Hubicka  <jh@suse.cz>
966
967         PR middle-end/40043
968         * except.c (copy_eh_region): Always set prev_try.
969         (redirect_eh_edge_to_label): Find outer try.
970         (foreach_reachable_handler): When looking for prev try
971         handle case where previous try is not going to be taken.
972
973 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
974
975         PR tree-optimization/40049
976         * tree-vect-stmts.c (vectorizable_operation): If the machine has
977         only vector/vector shifts, convert the type of the constant to the
978         appropriate type to avoid building incorrect trees, which
979         eventually have problems with garbage collection.
980
981 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
982
983         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
984         -1 for complex floating-point types if honoring signed zeros.
985
986 2009-05-08  Jan Hubicka  <jh@suse.cz>
987
988         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
989         argument; handle correctly when profile is absent.
990         (build_cgraph_edges): Update.
991         (rebuild_cgraph_edges): Update.
992         * cgraph.c: Do not include varray.h.
993         (cgraph_set_call_stmt_including_clones): New function.
994         (cgraph_create_edge_including_clones): Likewise
995         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
996         (cgraph_update_edges_for_call_stmt): Handle clones.
997         (cgraph_remove_node): Handle clone tree.
998         (cgraph_remove_node_and_inline_clones): New function.
999         (dump_cgraph_node): Dump clone tree.
1000         (cgraph_clone_node): Handle clone tree.
1001         (clone_function_name): Bring here from tree-inline.c.
1002         (cgraph_create_virtual_clone): New function.
1003         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1004         (cgraph_clone_info): New function.
1005         (strut cgraph_node): Add clone_info and new clone tree pointers.
1006         (cgraph_remove_node_and_inline_clones,
1007         cgraph_set_call_stmt_including_clones,
1008         cgraph_create_edge_including_clones,
1009         cgraph_create_virtual_clone): Declare.
1010         (cgraph_function_versioning): Use VEC argument.
1011         (compute_call_stmt_bb_frequency): Update prototype.
1012         (cgraph_materialize_all_clones): New function.
1013         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1014         (ipcp_create_replace_map): Update to VECtors.
1015         (ipcp_update_callgraph): Use virtual clones.
1016         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1017         (ipcp_update_profiling): Do not update local profiling.
1018         (ipcp_insert_stage): Use VECtors and virtual clones.
1019         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1020         (clone_of_p): New function.
1021         (cgraph_preserve_function_body_p): Use clone tree.
1022         (cgraph_optimize): Materialize clones.
1023         (cgraph_function_versioning): Update for VECtors.
1024         (save_inline_function_body): Use clone tree.
1025         (cgraph_materialize_clone): New function.
1026         (cgraph_materialize_all_clones): Likewise.
1027         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1028         * ipa.c: Include gimple.h.
1029         (cgraph_remove_unreachable_nodes): Use clone tree.
1030         * ipa-prop.c (ipa_note_param_call): Update call to
1031         compute_call_stmt_bb_frequencycall.
1032         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1033         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1034         (copy_bb): Handle updating of clone tree; add new edge when new call
1035         appears.
1036         (expand_call_inline): Be strict about every call having edge.
1037         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1038         (delete_unreachable_blocks_update_callgraph): New function.
1039         (tree_function_versioning): Use VECtors; always remove unreachable
1040         blocks and fold conditionals.
1041         * tree-inline.h: Do not include varray.h.
1042         (tree_function_versioning): Remove.
1043         * Makefile.in (GTFILES): Remove tree-inline.c
1044         * passes.c (do_per_function): Do only functions having body.
1045         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1046         tree.
1047
1048 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1049             Andrew Morrow  <acm@google.com>
1050
1051         PR c/36892
1052         * c-common.c (c_common_attribute_table): Permit deprecated
1053         attribute to take an optional argument.
1054         (handle_deprecated_attribute): If the optional argument to
1055         __attribute__((deprecated)) is not a string ignore the attribute
1056         and emit a warning.
1057
1058         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1059         * c-typeck.c (build_component_ref): Likewise.
1060         (build_external_ref): Likewise.
1061
1062         * toplev.c (warn_deprecated_use): Add an attribute argument.
1063         Emit the message associated with __attribute__((deprecated)).
1064
1065         * toplev.h (warn_deprecated_use): Updated.
1066
1067         * doc/extend.texi: Document new optional parameter to
1068         __attribute__((deprecated))
1069
1070 2009-05-08  Michael Eager <eager@eagercon.com>
1071
1072         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1073         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1074
1075 2009-05-08  Richard Guenther  <rguenther@suse.de>
1076
1077         PR tree-optimization/40062
1078         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1079         Avoid exponential behavior.
1080
1081 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1082
1083         PR rtl-optimization/33928
1084         PR 26854
1085         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1086         process_uses, build_single_def_use_links): New.
1087         (update_df): Update use_def_ref.
1088         (forward_propagate_into): Use get_def_for_use instead of use-def
1089         chains.
1090         (fwprop_init): Call build_single_def_use_links and let it initialize
1091         dataflow.
1092         (fwprop_done): Free use_def_ref.
1093         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1094         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1095         df_rd_simulate_one_insn): New.
1096         (df_rd_bb_local_compute_process_def): Update head comment.
1097         (df_chain_create_bb): Use the new RD simulation functions.
1098         * df.h (df_rd_simulate_artificial_defs_at_top, 
1099         df_rd_simulate_one_insn): New.
1100         * opts.c (decode_options): Enable fwprop at -O1.
1101         * doc/invoke.texi (-fforward-propagate): Document this.
1102
1103 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1104
1105         PR c/24581
1106         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1107         and one complex operand specially.
1108         * tree-complex.c (some_nonzerop): Do not identify a real value as
1109         zero if flag_signed_zeros.
1110
1111 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1112
1113         PR rtl-optimization/33928
1114         * loop-invariant.c (record_use): Fix && vs. || mishap.
1115
1116 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1117
1118         PR rtl-optimization/33928
1119         * loop-invariant.c (struct use): Add addr_use_p.
1120         (struct def): Add n_addr_uses.
1121         (struct invariant): Add cheap_address.
1122         (create_new_invariant): Set cheap_address.
1123         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1124         (record_uses): Pass df_ref to record_use.
1125         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1126         used only as such.
1127
1128 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1129
1130         * config/sh/sh.c: Do not include c-pragma.h.
1131
1132 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1133
1134         * config/spu/spu.c: Remove include of c-common.h.
1135
1136 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1137
1138         PR c/39037
1139         * c-common.h (mark_valid_location_for_stdc_pragma,
1140         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1141         clear_float_const_decimal64, float_const_decimal64_p): New.
1142         * c.opt (Wunsuffixed-float-constants): New.
1143         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1144         unsuffixed float constant, handle new warning.
1145         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1146         * c-decl.c (c_scope): New flag float_const_decimal64.
1147         (set_float_const_decimal64, clear_float_const_decimal64,
1148         float_const_decimal64_p): New.
1149         (push_scope): Set new flag.
1150         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1151         to use STDC pragmas.
1152         (c_parser_external_declaration): Ditto.
1153         (c_parser_compound_statement_nostart): Ditto.
1154         * c-pragma.c (valid_location_for_stdc_pragma,
1155         mark_valid_location_for_stdc_pragma,
1156         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1157         handle_pragma_float_const_decimal64): New.
1158         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1159         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1160         set_float_const_decimal64, clear_float_const_decimal64,
1161         float_const_decimal64_p): New dummy functions.
1162         * doc/extend.texi (Decimal Float): Remove statement that the
1163         pragma, and suffix for double constants, are not supported.
1164         * doc/invoke.texi (Warning Options): List new option.
1165         (-Wunsuffixed-float-constants): New.
1166
1167 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1168
1169         * config/i386/i386.c: Do not include c-common.h.
1170
1171 2009-05-07  Mark Heffernan  <meheff@google.com>
1172
1173         * doc/invoke.texi (Debugging Options): Document change of debugging
1174         dump location.
1175         * opts.c (decode_options): Make dump_base_name relative to
1176         aux_base_name directory.
1177
1178 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1179
1180         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1181         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1182
1183 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1184
1185         * Makefile.in (install-plugin): Simplify a bit.
1186
1187 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1188
1189         * Makefile.in (OBJS-common): Add regcprop.o.
1190         (regcprop.o): New.
1191         * timevar.def (TV_CPROP_REGISTERS): New.
1192         * regrename.c (regrename_optimize): Return 0.
1193         (rest_of_handle_regrename): Delete.
1194         (pass_rename_registers): Point to regrename_optimize.
1195         (struct value_data_entry, struct value_data, 
1196         kill_value_one_regno, kill_value_regno, kill_value,
1197         set_value_regno, init_value_data, kill_clobbered_value,
1198         kill_set_value, kill_autoinc_value, copy_value,
1199         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1200         replace_oldest_value_reg, replace_oldest_value_addr,
1201         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1202         debug_value_data, validate_value_data): Move...
1203         * regcprop.c: ... here.
1204         (rest_of_handle_cprop): Delete.
1205         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1206
1207 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1208
1209         PR middle-end/40057
1210         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1211         GEN_INT for 1 << bitnum.
1212         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1213         build_int_cst_type.
1214
1215 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1216
1217         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1218         Remove wrong description of "nand" operation.
1219
1220 2009-05-06  Richard Guenther  <rguenther@suse.de>
1221             Adam Nemet  <anemet@caviumnetworks.com>
1222
1223         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1224         comment.  Add that if LHS is not a gimple register, then RHS1 has
1225         to be a single object (GIMPLE_SINGLE_RHS).
1226
1227 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1228
1229         * expr.c (get_def_for_expr): Move it up in the file.
1230         (store_field): When expanding a bit-field store, look at the
1231         defining gimple stmt for the masking conversion.
1232
1233 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1234
1235         PR middle-end/39986
1236         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1237         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1238         32-bit memcpy into long.
1239
1240 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1241
1242         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1243         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1244         new_reg_loc_descr.
1245         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1246         instead of appending DW_OP_deref*.
1247
1248 2009-05-06  Michael Matz  <matz@suse.de>
1249
1250         PR middle-end/40021
1251         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1252         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1253
1254 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1255
1256         * Makefile.in (install-plugin): Fix srcdir handling.
1257
1258 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1259
1260         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1261         when processing for not_regs_needed bitmap.
1262         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1263         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1264         handling it for rhs. 
1265
1266 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1267
1268         * config/i386/i386.md (unnamed inc/dec peephole): Use
1269         optimize_insn_for_size_p instead of optimize_size.
1270         * config/i386/predicates.md (incdec_operand): Likewise.
1271         (aligned_operand): Likewise.
1272         * config/i386/sse.md (divv8sf3): Likewise.
1273         (sqrtv8sf2): Likewise.
1274
1275 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1276
1277         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1278
1279         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1280
1281 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1282
1283         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1284         ssemodesuffixf2c with avxmodesuffixf2c.
1285
1286 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1287
1288         PR c/40032
1289         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1290
1291 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1292
1293         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1294         (struct tree_base): Adjust spacing for 8 bit boundaries.
1295         (struct tree_decl_common): Add decl_by_reference_flag bit.
1296         (DECL_BY_REFERENCE): Adjust.
1297         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1298         print DECL_BY_REFERENCE bit.
1299         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1300         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1301         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1302         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1303         unconditionally.
1304
1305         PR middle-end/39666
1306         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1307         range of the type, but default label is missing, add it with one
1308         of the existing labels instead of adding a new label for it.
1309
1310 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1311
1312         * dwarf.h: Remove.
1313
1314 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1315
1316         * Makefile.in (enable_plugin, plugin_includedir): New.
1317         (install): Depend on install-plugin.
1318         (PLUGIN_HEADERS): New.
1319         (install-plugin): New.
1320         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1321
1322 2009-05-05  Richard Guenther  <rguenther@suse.de>
1323
1324         PR tree-optimization/40022
1325         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1326         the only vuse.
1327         (phivn_valid_p): Fix tuplification error, simplify.
1328         (phiprop_insert_phi): Add dumps.
1329         (propagate_with_phi): Simplify.
1330
1331 2009-05-05  Richard Guenther  <rguenther@suse.de>
1332
1333         PR middle-end/40023
1334         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1335
1336 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1337
1338         * tree.h (strip_float_extensions): Remove duplicate declaration.
1339         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1340         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1341         block_ultimate_origin): Rearrange the declarations line to match the
1342         comment that indicates the .c file which the functions are defined.
1343         (dwarf2out_*, set_decl_rtl): Add comment.
1344         (get_base_address): Adjust comment.
1345         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1346         declarations line and add comment.
1347         (is_builtin_name): Add blank after function name, for clarity.
1348
1349 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1350
1351         * attribs.c (decl_attributes): Use %qE for identifiers in
1352         diagnostics.
1353         * cgraphunit.c (verify_cgraph_node): Translate function names to
1354         locale character set in diagnostics.
1355         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1356         diagnostics.
1357         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1358         Document that functions are named in UTF-8.
1359         * expr.c (expand_expr_real_1): Translate function names to locale
1360         character set in diagnostics.
1361         * gimplify.c (omp_notice_variable, omp_is_private,
1362         gimplify_scan_omp_clauses): Use %qE for identifiers in
1363         diagnostics.
1364         * langhooks.c (lhd_print_error_function): Translate function names
1365         to locale character set.
1366         * langhooks.h (decl_printable_name): Document that return value is
1367         in internal character set.
1368         * stmt.c: Include pretty-print.h
1369         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1370         diagnostics.
1371         (resolve_operand_name_1): Translate named operand name to locale
1372         character set.
1373         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1374         diagnostics.
1375         * toplev.c (announce_function): Translate function names to locale
1376         character set.
1377         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1378         (default_tree_printer): Use pp_identifier or translate identifiers
1379         to locale character set.  Mark "<anonymous>" for translation.
1380         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1381         for identifiers in diagnostics.
1382         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1383         diagnostics.
1384         * varasm.c (output_constructor): Use %qE for identifiers in
1385         diagnostics.
1386
1387 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1388
1389         * configure.ac: use ` ` instead of $()
1390         * configure: Regenerate.
1391
1392 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1393
1394         * config/pa/linux-atomic.c: Eliminate conditional include of
1395         errno.h on non-LP64 systems to simplify build requirements.
1396
1397 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1398
1399         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1400         diagnostics.
1401         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1402         and pass value to identifier_to_locale.
1403         (warn_variable_length_array): Make name a tree.
1404         (grokdeclarator): Separate diagnostic texts for named and unnamed
1405         declarators.  Use %qE for named declarators.
1406         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1407         diagnostics.
1408         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1409         identifiers in diagnostics.
1410         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1411         identifier_to_locale.  Mark "anonymous" strings for translation.
1412
1413 2009-05-04  Michael Eager <eager@eagercon.com>
1414
1415         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1416         address for DImode/DFmode only if double-precision FP regs.
1417
1418 2009-05-04  Michael Eager <eager@eagercon.com>
1419
1420         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1421         TARGET_SINGLE_FLOAT check.
1422
1423 2009-05-04  Michael Eager <eager@eagercon.com>
1424
1425         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1426
1427 2009-05-04  Michael Eager <eager@eagercon.com>
1428
1429         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1430         * config/rs6000/t-xilinx: New
1431
1432 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1433
1434         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1435         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1436         * gcc/explow.c (memory_address): Use target hook.
1437         * gcc/targhooks.c (default_legitimize_address): New.
1438         * gcc/targhooks.h (default_legitimize_address): New.
1439         * gcc/target.h (legitimize_address): New.
1440         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1441         (TARGET_INITIALIZER): Include it.
1442         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1443
1444         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1445         * config/bfin/bfin.c (legitimize_address): Remove.
1446         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1447         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1448         Remove.
1449         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1450         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1451
1452         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1453         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1454         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1455         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1456         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1457         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1458         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1459         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1460         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1461         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1462         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1463         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1464         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1465         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1466         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1467         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1468         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1469         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1470         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1471         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1472         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1473         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1474         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1475
1476         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1477         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1478         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1479         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1480         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1481         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1482         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1483         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1484         (thumb_legitimize_address): Delete.
1485         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1486         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1487         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1488         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1489         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1490         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1491         Delete.
1492         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1493         Delete.
1494
1495         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1496         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1497         * config/m32r/m32r.c (m32r_legitimize_address): New.
1498         * config/m68k/m68k.c (m68k_legitimize_address): New.
1499         * config/score/score.c (score_legitimize_address): Standardize.
1500         * config/score/score3.c (score3_legitimize_address): Standardize.
1501         * config/score/score3.h (score3_legitimize_address): Adjust.
1502         * config/score/score7.c (score7_legitimize_address): Standardize.
1503         * config/score/score7.h (score7_legitimize_address): Adjust.
1504         * config/sh/sh.c (sh_legitimize_address): New.
1505         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1506
1507         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1508         (s390_legitimize_address): ... this.
1509         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1510         (sparc_legitimize_address): ... this.
1511         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1512         (ix86_legitimize_address): ... this.
1513         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1514         (avr_legitimize_address): ... this.
1515         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1516         (mn10300_legitimize_address): ... this.
1517         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1518         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1519         (alpha_expand_mov): Adjust call.
1520
1521         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1522         * config/spu/spu.c (spu_legitimize_address): Likewise.
1523         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1524         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1525
1526 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1527
1528         * intl.c (locale_encoding, locale_utf8): New.
1529         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1530         * intl.h (locale_encoding, locale_utf8): Declare.
1531         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1532         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1533         New.
1534         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1535         argument.
1536         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1537         (pp_base_tree_identifier): Declare as function.
1538         (identifier_to_locale): Declare.
1539         * Makefile.in (pretty-print.o): Update dependencies.
1540         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1541
1542 2009-05-04  Richard Guenther  <rguenther@suse.de>
1543
1544         PR middle-end/40015
1545         * builtins.c (fold_builtin_memory_op): Do not decay to element
1546         type if the size matches the whole array.
1547
1548 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1549
1550         * expmed.c (synth_mult): When trying out a shift, pass the result
1551         of a signed shift.
1552
1553 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1554
1555         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1556         (shiftsub1_cost): New.
1557         (init_expmed): Compute shiftsub1_cost.
1558         (synth_mult): Optimize multiplications by constants of the form
1559         -(2^^m-1) for some constant positive integer m.
1560
1561 2009-05-03  Richard Guenther  <rguenther@suse.de>
1562
1563         PR c/39983
1564         * c-typeck.c (array_to_pointer_conversion): Do not built
1565         ADDR_EXPRs of arrays of pointer-to-element type.
1566         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1567         up wrong ADDR_EXPRs after-the-fact.
1568         * c-common.c (strict_aliasing_warning): Strip pointer
1569         conversions for obtaining the original type.
1570         * builtins.c (fold_builtin_memset): Handle array types.
1571         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1572         and array types
1573
1574 2009-05-03  Richard Guenther  <rguenther@suse.de>
1575
1576         PR middle-end/23329
1577         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1578         Do not lose casts from array types with unknown extent to array
1579         types with known extent.
1580         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1581         alias set compatibility.
1582
1583 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1584
1585         * flags.h (extra_warnings): Delete.
1586         * toplev.c (process_options): Handle Wuninitialized here.
1587         * opts.c (extra_warnings): Delete.
1588         (set_Wextra): Delete.
1589         (common_handle_option): -Wextra can be handled automatically.
1590         * c-opts.c (c_common_handle_option): Delete obsolete code.
1591         (c_common_post_options): Simplify comment.
1592         * common.opt (W): Add Var.
1593         (Wextra): Add Var.
1594         (Wuninitialized): Initialize to -1.
1595
1596 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1597             Richard Guenther  <rguenther@suse.de>
1598
1599         * expr.c (get_def_for_expr): New function.
1600         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1601         SSA rather than trees.
1602         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1603         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1604         
1605 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1606
1607         * c-common.c (reswords): Add _Imaginary.
1608         * c-common.c (enum rid): Add RID_IMAGINARY.
1609
1610 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1611
1612         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1613         Patch by Richard Guenther.
1614
1615 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1616
1617         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1618         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1619         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1620         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1621         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1622         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1623         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1624         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1625         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1626         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1627         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1628         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1629         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1630         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1631         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1632         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1633         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1634         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1635
1636 2009-05-02  Richard Guenther  <rguenther@suse.de>
1637
1638         PR tree-optimization/39940
1639         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1640         doing so.
1641
1642 2009-05-02  Richard Guenther  <rguenther@suse.de>
1643
1644         PR middle-end/40001
1645         * tree-ssa.c (execute_update_addresses_taken): Properly check
1646         if we can mark a variable DECL_GIMPLE_REG_P.
1647         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1648         back to the end of the function.
1649         (is_gimple_reg_type): Remove complex type special casing.
1650         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1651         if not optimizing.
1652
1653 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1654
1655         * doc/collect2.texi (Collect2): Document search path behaviour
1656         when configured with --with-ld.
1657
1658 2009-05-02  Jan Hubicka  <jh@suse.cz>
1659
1660         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1661         parameter; update callers.
1662         (coalesce_cost_edge): EH edges are costier because they needs
1663         splitting even if not critical and even more costier when there are
1664         multiple EH predecestors.
1665
1666 2009-05-02  Jan Hubicka  <jh@suse.cz>
1667
1668         * except.c (remove_eh_handler_and_replace): Handle updating after
1669         removing TRY blocks.
1670
1671 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1672
1673         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1674
1675 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1676
1677         * varasm.c: Do not include c-pragma.h.
1678         * attribs.c: Do not incude c-common.h.
1679
1680 2009-05-01  Michael Matz  <matz@suse.de>
1681
1682         * calls.c (initialize_argument_information): Handle SSA names like
1683         decls with a non MEM_P DECL_RTL.
1684
1685 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1686
1687         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1688         * ipa-utils.c: Likewise.
1689         * ipa-type-escape.c: Likewise.
1690         * cgraphunit.c Do not include c-common.h.
1691         * ipa-pure-const.c: Likewise.
1692         * tree-if-conv.c: Likewise.
1693         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1694         * ipa-struct-reorg.c: Likewise.
1695         * tree-nomudflap.c: Likewise.
1696         * tree-ssa-structalias.c: Likewise.
1697
1698 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1699
1700         * store-motion.c: Many cleanups to make this pass a first-class
1701         citizen instead of an appendix to gcse load motion.  Add TODO list
1702         to make this pass faster/cleaner/better.
1703
1704         (struct ls_expr): Post gcse.c-split cleanups.
1705         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1706         "stores" field to "avail_stores".
1707         (pre_ldst_mems): Rename to store_motion_mems.
1708         (pre_ldst_table): Rename to store_motion_mems_table.
1709         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1710         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1711         (ldst_entry): Rename to st_expr_entry, update users.
1712         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1713         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1714         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1715         update caller.
1716         (first_ls_expr): Rename to first_st_expr, update users.
1717         (next_ls_expr): Rename to next_st_expr, update users.
1718         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1719         fields properly for store motion instead of names inherited from load
1720         motion in gcse.c.
1721         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1722         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1723         are done with it.
1724
1725         (ae_kill): Rename to st_kill, update users.
1726         (ae_gen): Rename to st_avloc, update users.
1727         (transp): Rename to st_transp, update users.
1728         (pre_insert_map): Rename to st_insert_map, update users.
1729         (pre_delete_map): Rename to st_delete_map, update users.
1730         (insert_store, build_store_vectors, free_store_memory,
1731         one_store_motion_pass): Update for abovementioned changes.
1732
1733         (gcse_subst_count, gcse_create_count): Remove.
1734         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1735         and "n_stores_created", local variables.
1736
1737         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1738         use for_each_rtx.
1739
1740         (regvec, compute_store_table_current_insn): Remove.
1741         (reg_set_info, reg_clear_last_set): Remove.
1742         (compute_store_table): Use DF caches instead of local dataflow
1743         solvers.
1744
1745 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1746
1747         * c-objc-common.c (c_tree_printer): Print identifiers with
1748         pp_identifier, not pp_string.  Mark "({anonymous})" for
1749         translation.
1750         * c-pretty-print.c (pp_c_ws_string): New.
1751         (pp_c_cv_qualifier, pp_c_type_specifier,
1752         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1753         pp_c_storage_class_specifier, pp_c_function_specifier,
1754         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1755         pp_c_primary_expression, pp_c_postfix_expression,
1756         pp_c_unary_expression, pp_c_shift_expression,
1757         pp_c_relational_expression, pp_c_equality_expression,
1758         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1759         use pp_string and pp_c_ws_string in place of pp_identifier and
1760         pp_c_identifier for non-identifiers.  Mark English strings for
1761         translation.
1762         * c-pretty-print.h (pp_c_ws_string): Declare.
1763
1764 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1765             Roland McGrath <roland@redhat.com>
1766
1767         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1768         (ENABLE_LD_BUILDID): New configuration option.
1769         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1770         (LINK_BUILDID_SPEC): New macro.
1771         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1772         link_spec.
1773         * doc/install.texi: Document --enable-linker-build-id option.
1774         * configure: Rebuild.
1775         * config.in: Rebuild.
1776
1777 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1778
1779         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1780         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1781         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1782         MIPS_GP_SAVE_AREA_SIZE.
1783         * config/mips/mips.c (struct mips_frame_info): Update comment
1784         before arg_pointer_offset and hard_frame_pointer_offset.
1785         (mips_compute_frame_info): Update diagram before function: to
1786         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1787         indicate the position of frame_pointer_rtx with -fstack-protector and
1788         to show args_size.  Don't allocate cprestore area for leaf functions
1789         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1790         cprestore_size.
1791         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1792
1793 2009-04-30  Michael Matz  <matz@suse.de>
1794
1795         PR tree-optimization/39955
1796         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1797
1798 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1799
1800         * ira.c (setup_cover_and_important_classes):  Use safe macro
1801         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1802         directly.
1803         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1804         REG_CLASS_FOR_CONSTRAINT.
1805
1806 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1807
1808         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1809         instead of an int.
1810         * bitmap.c (bitmap_descriptor): Likewise.
1811         * ggc-common.c (loc_descriptor): Likewise.
1812         * varray.c (varray_descriptor): Likewise.
1813         * vec.c (vec_descriptor): Likewise.
1814
1815 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1816
1817         * Makefile.in (dce.o): Add $(EXCEPT_H).
1818         * dce.c: Include except.h and delete redundant vector definitions.
1819         (deletable_insn_p): Return false for non-call insns that can throw
1820         if DF is running.
1821
1822 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1823
1824         * gcse.c (ae_gen): Remove.
1825         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1826         and make non-static function to make it available in store-motion.c.
1827         Update call sites with search-and-replace.
1828         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1829         extract_mentioned_regs, extract_mentioned_regs_helper,
1830         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1831         store_killed_in_insn, store_killed_after, store_killed_before,
1832         build_store_vectors, insert_insn_start_basic_block, insert-store,
1833         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1834         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1835         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1836         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1837         and clean up to remove parts not used by store motion.
1838         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1839         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1840
1841 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1842
1843         PR target/38571
1844         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1845         when optimizing for size.
1846
1847 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1848
1849         * gcse.c (gcse_constant_p): Fix typo in last change.
1850
1851 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1852
1853         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1854
1855 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1856
1857         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1858
1859 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1860
1861         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1862         CONST_HIGH_PART result.
1863
1864 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1865
1866         * config/avr/avr.c (initial_elimination_offset): Rename to
1867         avr_initial_elimination_offset.
1868         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1869         change return type to bool.
1870         (avr_can_eliminate): New function.
1871         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1872         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1873         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1874         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1875         avr_initial_elimination_offset.
1876         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1877         (avr_initial_elimination_offset): Define.
1878
1879 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1880             Steven Bosscher  <steven@gcc.gnu.org>
1881
1882         PR rtl-optimization/39938
1883         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1884         * cfgrtl.c: Include insn-attr.h.
1885         (rest_of_pass_free_cfg): New function.
1886         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1887         * resource.c (init_resource_info): Remove call to df_analyze.
1888
1889 2009-04-29  Richard Guenther  <rguenther@suse.de>
1890
1891         PR target/39943
1892         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1893         allow conversion to signed integers.
1894
1895 2009-04-29  Richard Guenther  <rguenther@suse.de>
1896
1897         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1898         shifts of floating point vectors if the shift amount is
1899         a constant multiple of the element size.
1900
1901 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1902             Michael Matz  <matz@suse.de>
1903
1904         PR middle-end/39927
1905         PR bootstrap/39929
1906         * tree-outof-ssa.c (emit_partition_copy): New function.
1907         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1908         insert_part_to_rtx_on_edge): Perform the partition base var
1909         copy using emit_partition_copy.
1910         (insert_value_copy_on_edge): Convert constants to the right mode.
1911         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1912         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1913
1914 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1915
1916         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1917         scan backwards to try to find a constant to initialize it.
1918
1919         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1920         insn before the loop_end instruction, don't look past labels.
1921
1922 2009-04-29  Richard Guenther  <rguenther@suse.de>
1923
1924         PR middle-end/39937
1925         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1926         loose type conversions.
1927         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1928         stmts only if there are no uses of its definition.
1929
1930 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1931
1932         * config/bfin/bfin.h (splitting_loops): Declare.
1933         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1934         Reorder bit definitions to be ascending.
1935         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1936         * config/bfin/bfin.c (splitting_loops): New variable.
1937         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1938         (struct loop_info): Remove members INIT and LOOP_INIT.
1939         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1940         the LSETUP sequence.  Allow LC to be loaded from any register, but
1941         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1942         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1943         set to 1.
1944         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1945         of reload_completed.
1946
1947         From Jie Zhang:
1948         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1949
1950 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1951
1952         * Makefile.in (PLUGIN_VERSION_H): New.
1953         (OBJS-common): Remove plugin-version.o.
1954         (plugin.o): Depend on (PLUGIN_VERSION_H).
1955         (plugin-version.o): Remove.
1956         * configure: Regenerate
1957         * configure.ac: Create plugin-version.h.
1958         * gcc-plugin.h (plugin_gcc_version): Remove.
1959         (plugin_default_version_check): Change signature.
1960         * plugin-version.c: Remove.
1961         * plugin.c: Include plugin-version.h.
1962         (str_plugin_gcc_version_name): Remove.
1963         (try_init_one_plugin): Pass gcc version to plugin_init.
1964         (plugin_default_version_check): Both gcc and plugin versions are now
1965         arguments.
1966
1967 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1968         
1969         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1970         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1971         Remove special case testing for last insn of inner loops. Don't fail
1972         if the loop ends with a jump, emit an extra nop instead.
1973
1974         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1975         DREGS rather than comparing directly.  Remove code that tries to
1976         account for latencies.
1977
1978 2009-04-29  Richard Guenther  <rguenther@suse.de>
1979
1980         PR tree-optimization/39941
1981         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1982         eliminating an indirect call.
1983
1984 2009-04-29  Richard Guenther  <rguenther@suse.de>
1985
1986         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1987         parameter.  Allow invariants as base if !require_lvalue.
1988         (verify_gimple_assign_single): Adjust.
1989
1990 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1991
1992         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1993         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
1994         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
1995         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
1996         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
1997         a VEC_SELECT.
1998         * config/bfin/bfin.c (bfin_expand_builtin,
1999         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2000
2001 2009-04-28  Richard Guenther  <rguenther@suse.de>
2002
2003         * tree-vect-loop.c (get_initial_def_for_induction): Use
2004         correct types for pointer increment.
2005
2006 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2007
2008         * toplev.c (print_version): Update GMP version string calculation.
2009
2010 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2011
2012         PR rtl-optimization/39938
2013         * resource.c (init_resource_info): Add call to df_analyze.
2014
2015 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2016
2017         * config/alpha/alpha.md (usegp): Cast the result of
2018         alpha_find_lo_sum_using_gp to enum attr_usegp.
2019         * config/alpha/alpha.c (override_options): Remove end-of-structure
2020         marker element from cpu_table.  Use array size of cpu_table to handle
2021         -mcpu and -mtune options.
2022         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2023
2024 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2025
2026         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2027         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2028         tune_32 and tune_64.
2029         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2030         support on PowerPC.
2031         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2032         * config/rs6000/option-defaults.h: ... here.  New file.
2033         (OPT_64, OPT_32): Define.
2034         (MASK_64BIT): Define to 0 if not already defined.
2035         (OPT_ARCH64, OPT_ARCH32): Define.
2036         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2037         and tune_64.
2038
2039 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2040
2041         * config/arm/arm.c (arm_override_options): Emit error on using
2042         fpa with AAPCS.
2043
2044 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2045
2046         PR rtl-optimization/39914
2047         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2048         registers for allocnos created from user-defined variables only
2049         when not optimizing.
2050
2051 2009-04-28  Richard Guenther  <rguenther@suse.de>
2052
2053         PR middle-end/39937
2054         * fold-const.c (fold_binary): Use distribute_real_division only
2055         on float types.
2056
2057 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2058
2059         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2060         add hpux-stdint.h to tm_file.
2061         (hppa[12]*-*-hpux11*): Ditto.
2062         (ia64*-*-hpux*): Ditto.
2063         * config/hpux-stdint.h: New.
2064         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2065         __STDC_EXT__ for all compiles.
2066         * config/pa/pa-hpux.h: Ditto.
2067         * config/pa/pa-hpux10.h: Ditto.
2068         * config/pa/pa-hpux11.h: Ditto.
2069
2070 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2071
2072         * debug.h (set_name): Add comment.
2073
2074 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2075
2076         PR target/39929
2077         * config/darwin.c (machopic_gen_offset): Check
2078         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2079         * config/arm/arm.c (require_pic_register): Likewise.
2080
2081 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2082
2083         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2084         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2085         m32c_promote_prototypes): Delete.
2086
2087 2009-04-28  Michael Matz  <matz@suse.de>
2088
2089         PR middle-end/39922
2090         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2091         constants.
2092
2093 2009-04-28  Richard Guenther  <rguenther@suse.de>
2094
2095         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2096
2097 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2098
2099         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2100         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2101         * config/arm/arm-tune.md: Regenerate.
2102
2103 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2104
2105         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2106         block if there are complex incoming edges.
2107         (sel_merge_blocks): Remove useless assert.
2108         (sel_redirect_edge_and_branch): Check that edge was redirected.
2109         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2110         (sel_find_rgns): Delete declaration.
2111         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2112         the region when it is not a preheader.
2113
2114 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2115
2116         PR c/39323
2117         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2118
2119 2009-04-28  Richard Guenther  <rguenther@suse.de>
2120
2121         * tree.h (SSA_NAME_VALUE): Remove.
2122         (struct tree_ssa_name): Remove value_handle member.
2123         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2124         array for jump threading.
2125         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2126         SSA_NAME_VALUEs.
2127         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2128         * tree-flow.h (threadedge_initialize_values): Declare.
2129         (threadedge_finalize_values): Likewise.
2130         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2131         (SSA_NAME_VALUE): Define.
2132         (threadedge_initialize_values): New function.
2133         (threadedge_finalize_values): Likewise.
2134         * tree-ssa-dom.c (ssa_name_values): New global variable.
2135         (SSA_NAME_VALUE): Define.
2136         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2137
2138 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2139
2140         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2141         Use REPORT_VECTORIZED_LOCATIONS instead 
2142         REPORT_VECTORIZED_LOOPS.
2143         * tree-vectorizer.c (vect_verbosity_level): Make static.
2144         (vect_loop_location): Rename to vect_location.
2145         (vect_set_verbosity_level): Update comment.
2146         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2147         and vect_location.
2148         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2149         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2150         instead REPORT_UNVECTORIZED_LOOPS.
2151         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2152         and vect_loop_def to vect_external_def and vect_internal_def.
2153         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2154         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2155         REPORT_UNVECTORIZED_LOCATIONS.
2156         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2157         and vect_used_in_loop and to vect_unused_in_scope and 
2158         vect_used_in_scope.
2159         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2160         (vect_verbosity_level): Remove declaration.
2161         (vect_analyze_operations): Likewise.
2162         (vect_analyze_stmt): Declare.
2163         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2164         REPORT_UNVECTORIZED_LOCATIONS.
2165         (vect_get_loop_niters): Fix indentation.
2166         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2167         (vect_analyze_loop_operations): New function.
2168         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2169         vect_analyze_operations.
2170         (vect_is_simple_reduction): Use new names.
2171         (vectorizable_live_operation, vect_transform_loop): Likewise.
2172         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2173         to specify whether the data references can be a part of interleaving
2174         chain.
2175         (vect_analyze_data_ref_dependence): Use new names.
2176         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2177         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2178         * tree-vect-patterns.c (widened_name_p): Use new names.
2179         (vect_recog_dot_prod_pattern): Likewise.
2180         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2181         (process_use, vect_mark_stmts_to_be_vectorized, 
2182         vect_model_simple_cost, vect_model_store_cost,
2183         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2184         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2185         vectorizable_operation, vectorizable_type_demotion,
2186         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2187         vectorizable_condition): Likewise.
2188         (vect_analyze_operations): Split into vect_analyze_loop_operations
2189         and ...
2190         (vect_analyze_stmt): ... new function.
2191         (new_stmt_vec_info): Use new names.
2192         (vect_is_simple_use): Use new names and fix comment.
2193         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2194         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2195
2196 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2197
2198         PR target/39911
2199         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2200         and integer modes for x87 operands.  Do not ICE for unsupported size,
2201         generate error instead.  Generate error for unsupported operand types.
2202         ['z']: Do not handle HImode memory operands specially.  Warning
2203         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2204         types.  Do not ICE for unsupported size, generate error instead.
2205         (output_387_binary_op): Use %Z to output operands.
2206         (output_fp_compare): Ditto.
2207         (output_387_reg_move): Ditto.
2208
2209 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2210
2211         PR c++/35652
2212         Revert:
2213
2214         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2215
2216         * builtins.c (c_strlen): Do not warn here.
2217         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2218         * c-common.c (pointer_int_sum): Take an explicit location.
2219         Warn about offsets out of bounds.
2220         * c-common.h (pointer_int_sum): Adjust declaration.
2221
2222 2009-04-27  Ian Lance Taylor  <iant@google.com>
2223
2224         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2225         names to symkind.
2226         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2227         * df-core.c (df_set_flags): Change return type to int.  Change
2228         type of old_flags to int.
2229         (df_clear_flags): Likewise.
2230         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2231         (df_get_conditional_uses): Likewise.
2232         * df.h (df_set_flags, df_clear_flags): Update declarations.
2233         * dwarf2out.c (struct indirect_string_node): Change type of form
2234         field to enum dwarf_form.
2235         (AT_string_form): Change return type to enum dwarf_form.
2236         * fixed-value.c (fixed_compare): Add cast to enum type.
2237         * fwprop.c (update_df): Change 0 to VOIDmode.
2238         * gensupport.c: Change 0 to UNKNOWN.
2239         * gimple.h (gimple_cond_code): Add cast to enum type.
2240         * haifa-sched.c (reemit_notes): Add cast to enum type.
2241         * hooks.c (hook_int_void_no_regs): Remove function.
2242         * hooks.h (hook_int_void_no_regs): Remove declaration.
2243         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2244         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2245         * real.c (real_arithmetic): Add cast to enum type.
2246         (real_compare): Likewise.
2247         * target.h (struct gcc_target): Change return type of
2248         branch_target_register_class to enum reg_class.
2249         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2250         default_branch_target_register_class.
2251         * targhooks.c (default_branch_target_register_class): New function.
2252         * targhooks.h (default_branch_target_register_class): Declare.
2253         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2254         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2255         cast to int.
2256         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2257         ERROR_MARK.
2258         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2259         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2260         * tree-vect-stmts.c (supportable_widening_operation): Don't
2261         initialize icode1 and icode2.
2262         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2263         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2264         and to STD_C89.
2265         (cmn_err_flag_specs): Change 0 to STD_C89.
2266         (cmn_err_char_table): Likewise.
2267         * config/arm/arm.c (get_arm_condition_code): Change type of code
2268         to enum arm_cond_code.
2269         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2270         (IWMMXT_BUILTIN2): Likewise.
2271         (neon_builtin_type_bits): Don't define typedef.
2272         (neon_builtin_datum): Change type of bits field to int.
2273         (arm_expand_neon_args): Add cast to enum type.
2274         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2275         TLS_MODEL_NONE.
2276         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2277         casts to enum type.
2278         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2279         MIPS_FP_COND_f.
2280         * config/mips/mips.md (jal_macro): Return enum constant.
2281         (single_insn): Likewise.
2282         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2283         CODE_FOR_nothing.
2284         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2285         casts to enum type.
2286         * config/s390/s390.c (s390_tune_flags): Change type to int.
2287         (s390_arch_flags): Likewise.
2288         (s390_handle_arch_option): Change flags field of struct pta to int.
2289         * config/s390/s390.h (s390_tune_flags): Update declaration.
2290         (s390_arch_flags): Likewise.
2291         * config/sh/sh.c (prepare_move_operands): Compare
2292         tls_symbolic_operand result with enum constant.
2293         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2294         (sh_expand_prologue): Add cast to enum type.
2295         (sh_expand_epilogue): Likewise.
2296         (tls_symbolic_operand): Change return type to enum tls_model.
2297         (fpscr_set_from_mem): Add cast to enum type.
2298         (legitimize_pic_address): Compare tls_symbolic_operand result with
2299         enum constant.
2300         (sh_target_reg_class): Change return type to enum reg_class.
2301         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2302         PROCESSOR_xxx.
2303         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2304         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2305         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2306         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2307         (delayed_branch, tls_call_delay): Likewise.
2308         (eligible_for_sibcall_delay): Likewise.
2309         (eligible_for_return_delay): Likewise. 
2310         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2311         (spu_expand_builtin_1): Likewise.
2312
2313         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2314         for all types of conversions.
2315         (output_init_element): Issue -Wc++-compat warning if needed when
2316         initializing a bitfield with enum type.
2317         * c-parser.c (c_parser_expression): Set original_type to
2318         original_type of right hand operand of comman operator.
2319
2320 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2321
2322         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2323         grammar nits.
2324         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2325         * doc/cpp.texi (Standard Predefined Macros)
2326         (Implementation-defined behavior): Likewise.
2327         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2328         * doc/gimple.texi (GIMPLE Exception Handling)
2329         (@code{GIMPLE_ASSIGN}): Likewise.
2330         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2331         * doc/invoke.texi (Warning Options, Optimize Options)
2332         (AVR Options, Darwin Options): Likewise.
2333         (Optimize Options): Reformulate -fwhole-program description.
2334         * doc/loop.texi (Lambda): Likewise.
2335         * doc/md.texi (Output Template, Define Constraints)
2336         (Standard Names, Insn Splitting): Likewise.
2337         * doc/options.texi (Option properties): Likewise.
2338         * doc/passes.texi (Tree-SSA passes): Likewise.
2339         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2340         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2341         (File Names and DBX): Likewise.
2342         * doc/trouble.texi (Incompatibilities): Likewise.
2343
2344 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2345
2346         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2347         instruction is correct.
2348
2349 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2350
2351         Allow non-constant arguments to conversion intrinsics.
2352         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2353         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2354         * spu.c (print_operand): Handle 'v' and 'w'.
2355         (exp2_immediate_p, spu_gen_exp2): Define.
2356         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2357         spu_convtf_1): Update parameter descriptions.
2358         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2359         * constraints.md ('v', 'w'): New.
2360         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2361         Remove.
2362         (i2f, I2F): New define_mode_attr.
2363         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2364         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2365         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2366         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2367         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2368         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2369         patterns for combine.
2370
2371 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2372
2373         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2374         (cprop, hoist, pre, store_motion): New debug counters.
2375         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2376         is not an RTL pass anymore.
2377         (pass_profiling): Remove extern decl for pass removed in 2005.
2378         (pass_gcse, pass_jump_bypass): Remove.
2379         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2380         to 0 for clean state.
2381         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2382         * cse.c (gate_handle_cse_after_global_opts,
2383         rest_of_handle_cse_after_global_opts): New functions.
2384         (pass_cse_after_global_opts): New pass, does local CSE.
2385         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2386         (TV_CPROP): New timevar.
2387         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2388         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2389         (gcse_main, recompute_all_luids): Remove.
2390         (compute_hash_table_work): Call max_reg_num instead of reading
2391         max_gcse_regno.
2392         (cprop_jump): Don't set run_jump_opt_after_gcse.
2393         (constprop_register): Always allow to alter jumps.
2394         (cprop_insn): Likewise.
2395         (do_local_cprop): Likewise.
2396         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2397         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2398         (find_implicit_sets): Add note about missed optimization opportunity.
2399         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2400         pass_rtl_cprop execute function.
2401         Don't bother tracking the pass number, each pass gets its own dumpfile
2402         now anyway.
2403         Always allow to alter jumpsand bypass jumps.
2404         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2405         will just find no suitable set.
2406         (pre_edge_insert): Fix dumping, this function is for PRE only.
2407         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2408         pass_rtl_pre execute function.
2409         (hoist_code): Return non-zero if something changed.  Keep track of
2410         substitutions and insertions for statistics gathering similar to PRE.
2411         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2412         called from the pass_rtl_hoist execute function.  Show pass statistics.
2413         (compute_store_table): Use max_reg_num directly instead of using the
2414         formerly global max_gcse_regno.
2415         (build_store_vectors): Likewise.
2416         (replace_store_insn): Fix dumping.
2417         (store_motion): Rename to ...
2418         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2419         pass, called from the pass_rtl_store_motion execute function.  Keep
2420         track of substitutions and insertions for statistics gathering similar
2421         to PRE.
2422         (bypass_jumps): Remove, fold interesting bits into ...
2423         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2424         from the pass_rtl_cprop execute function.
2425         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2426         pass_jump_bypass): Remove.
2427         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2428         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2429         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2430         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2431         (gate_rtl_store_motion, execute_rtl_store_motion,
2432         pass_rtl_store_motion): New.
2433         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2434         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2435         * passes.c (init_optimization_passes): Remove pass_gcse and
2436         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2437         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2438         instead of pass_jump_bypass.
2439
2440 2009-04-27  Richard Guenther  <rguenther@suse.de>
2441
2442         PR middle-end/39928
2443         * gimplify.c (gimplify_expr): If we are required to create
2444         a temporary make sure it ends up as register.
2445
2446 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2447
2448         PR target/39903
2449         * config/i386/i386.c (construct_container): Don't call
2450         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2451         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2452
2453 2009-04-27  Michael Matz  <matz@suse.de>
2454
2455         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2456         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2457         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2458         (dump_replaceable_exprs): Take a bitmap.
2459         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2460         array.
2461         (expand_gimple_basic_block): Likewise.
2462         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2463         replaceable_expressions member a bitmap.
2464         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2465         (mark_replaceable): Likewise.
2466         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2467         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2468
2469 2009-04-27  Richard Guenther  <rguenther@suse.de>
2470
2471         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2472         (verify_stmts): Dispatch to gimple/type verification code.
2473         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2474         issue with call argument types.
2475
2476 2009-04-27  Michael Matz  <matz@suse.de>
2477
2478         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2479         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2480         to above.
2481
2482 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2483             Eric Botcazou  <ebotcazou@adacore.com>
2484
2485         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2486         a label's basic block.
2487         (mark_target_live_regs): Tidy and rework obsolete comments.
2488         Change back DF problem to LIVE.  If a label starts a basic block,
2489         assume that all registers that used to be live then still are.
2490         (init_resource_info): If a label starts a basic block, set its
2491         BLOCK_FOR_INSN accordingly.
2492         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2493
2494 2009-04-27  Richard Guenther  <rguenther@suse.de>
2495
2496         * tree-flow-inline.h (function_ann): Remove.
2497         (get_function_ann): Likewise.
2498         * tree-dfa.c (create_function_ann): Remove.
2499         * tree-flow.h (struct static_var_ann_d): Remove.
2500         (struct function_ann_d): Likewise.
2501         (union tree_ann_d): Remove fdecl member.
2502         (function_ann_t): Remove.
2503         (function_ann, get_function_ann, create_function_ann): Remove
2504         declarations.
2505
2506 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2507
2508         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2509
2510 2009-04-27  Jan Hubicka  <jh@suse.cz>
2511
2512         * ipa-pure-const.c (struct funct_state_d): New fields
2513         state_previously_known, looping_previously_known; remove
2514         state_set_in_source.
2515         (analyze_function): Use new fields.
2516         (propagate): Avoid assumption that state_set_in_source imply
2517         nonlooping.
2518
2519         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2520         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2521         * cfgloop.h (finite_loop_p): Declare.
2522
2523 2009-04-26  Michael Matz  <matz@suse.de>
2524
2525         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2526
2527 2009-04-26  Michael Matz  <matz@suse.de>
2528
2529         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2530         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2531         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2532         pass_mark_used_blocks): Remove.
2533         * tree-optimize.c (pass_free_datastructures,
2534         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2535         * passes.c (init_optimization_passes): Don't call
2536         pass_mark_used_blocks, remove dead code.
2537
2538 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2539
2540         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2541         * tree-ssa-live.h (register_ssa_partition): Likewise.
2542
2543 2009-04-26  Michael Matz  <matz@suse.de>
2544
2545         Expand from SSA.
2546         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2547         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2548         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2549         SSA names. 
2550         (compare_pairs): Swap cost comparison.
2551         (coalesce_ssa_name): Don't use change_partition_var.
2552         * tree-nrv.c (struct nrv_data): Add modified member.
2553         (finalize_nrv_r): Set it.
2554         (tree_nrv): Use it to update statements.
2555         (pass_nrv): Require PROP_ssa.
2556         * tree-mudflap.c (mf_decl_cache_locals,
2557         mf_build_check_statement_for): Use make_rename_temp.
2558         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2559         * alias.c (find_base_decl): Handle SSA names.
2560         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2561         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2562         * rtl.h (set_reg_attrs_for_parm): Declare.
2563         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2564         to "optimized", remove unused locals at finish.
2565         (execute_free_datastructures): Make global, call
2566         delete_tree_cfg_annotations.
2567         (execute_free_cfg_annotations): Don't call
2568         delete_tree_cfg_annotations.
2569
2570         * ssaexpand.h: New file.
2571         * expr.c (toplevel): Include ssaexpand.h.
2572         (expand_assignment): Handle SSA names the same as register variables.
2573         (expand_expr_real_1): Expand SSA names.
2574         * cfgexpand.c (toplevel): Include ssaexpand.h.
2575         (SA): New global variable.
2576         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2577         (SSAVAR): New macro.
2578         (set_rtl): New helper function.
2579         (add_stack_var): Deal with SSA names, use set_rtl.
2580         (expand_one_stack_var_at): Likewise.
2581         (expand_one_stack_var): Deal with SSA names.
2582         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2583         before unique numbers.
2584         (expand_stack_vars): Use set_rtl.
2585         (expand_one_var): Accept SSA names, add asserts for them, feed them
2586         to above subroutines.
2587         (expand_used_vars): Expand all partitions (without default defs),
2588         then only the local decls (ignoring those expanded already).
2589         (expand_gimple_cond): Remove edges when jumpif() expands an
2590         unconditional jump.
2591         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2592         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2593         SSA name.
2594         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2595         members of SA; deal with PARM_DECL partitions here; expand
2596         all PHI nodes, free tree datastructures and SA.  Commit instructions
2597         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2598         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2599         info and statements at start, collect garbage at finish.
2600         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2601         (VAR_ANN_PARTITION) Remove.
2602         (change_partition_var): Don't declare.
2603         (partition_to_var): Always return SSA names.
2604         (var_to_partition): Only accept SSA names.
2605         (register_ssa_partition): Only check argument.
2606         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2607         member.
2608         (delete_var_map): Don't free it.
2609         (var_union): Only accept SSA names, simplify.
2610         (partition_view_init): Mark only useful SSA names as used.
2611         (partition_view_fini): Only deal with SSA names.
2612         (change_partition_var): Remove.
2613         (dump_var_map): Use ssa_name instead of partition_to_var member.
2614         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2615         basic blocks.
2616         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2617         (struct _elim_graph): New member const_dests; nodes member vector of
2618         ints.
2619         (set_location_for_edge): New static helper.
2620         (create_temp): Remove.
2621         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2622         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2623         (new_elim_graph): Allocate const_dests member.
2624         (clean_elim_graph): Truncate const_dests member.
2625         (delete_elim_graph): Free const_dests member.
2626         (elim_graph_size): Adapt to new type of nodes member.
2627         (elim_graph_add_node): Likewise.
2628         (eliminate_name): Likewise.
2629         (eliminate_build): Don't take basic block argument, deal only with
2630         partition numbers, not variables.
2631         (get_temp_reg): New static helper.
2632         (elim_create): Use it, deal with RTL temporaries instead of trees.
2633         (eliminate_phi): Adjust all calls to new signature.
2634         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2635         (rewrite_trees): Only do checking.
2636         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2637         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2638         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2639         contains_tree_r, MAX_STMTS_IN_LATCH,
2640         process_single_block_loop_latch, analyze_edges_for_bb,
2641         perform_edge_inserts): Remove.
2642         (expand_phi_nodes): New global function.
2643         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2644         functions, initialize new parameter, remember partitions having a
2645         default def.
2646         (finish_out_of_ssa): New global function.
2647         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2648         don't reset in_ssa_p here, don't disable TER when mudflap.
2649         (pass_del_ssa): Remove.
2650         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2651         partition members.
2652         (execute_free_datastructures): Declare.
2653         * Makefile.in (SSAEXPAND_H): New variable.
2654         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2655         * basic-block.h (commit_one_edge_insertion): Declare.
2656         * passes.c (init_optimization_passes): Move pass_nrv and
2657         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2658         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2659         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2660         (redirect_branch_edge): Deal with super block when expanding, split
2661         out jump patching itself into ...
2662         (patch_jump_insn): ... here, new static helper.
2663
2664 2009-04-26  Michael Matz  <matz@suse.de>
2665
2666         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2667         beyond num_ssa_names.
2668         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2669         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2670
2671 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR inline-asm/39543
2674         * fwprop.c (forward_propagate_asm): New function.
2675         (forward_propagate_and_simplify): Propagate also into __asm, if it
2676         doesn't increase the number of referenced registers.
2677
2678         PR c/39889
2679         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2680
2681 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2682
2683         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2684         note_nonlocal_vla_type for nonlocal VLAs.
2685         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2686         contains_remapped_vars, remap_vla_decls): New functions.
2687         (convert_nonlocal_reference_stmt): If not optimizing, call
2688         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2689         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2690         if it wasn't found in var_map.
2691         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2692         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2693         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2694         declare_vars.
2695         * gimplify.c (nonlocal_vlas): New variable.
2696         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2697         referenced VLAs.
2698         (gimplify_body): Create and destroy nonlocal_vlas.
2699
2700         * dwarf2out.c (loc_descr_plus_const): New function.
2701         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2702         mem_loc_descriptor, loc_descriptor_from_tree_1,
2703         descr_info_loc, gen_variable_die): Use it.
2704
2705         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2706         !TREE_STATIC VAR_DECLs.
2707         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2708         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2709         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2710         DECL_BY_REFERENCE is valid.
2711         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2712         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2713         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2714         Copy DECL_BY_REFERENCE.
2715         (struct nesting_copy_body_data): New type.
2716         (nesting_copy_decl): New function.
2717         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2718         if they have variable length.
2719
2720 2009-04-26  Michael Matz  <matz@suse.de>
2721
2722         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2723         mark new temporaries for renaming.
2724
2725 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2726
2727         PR c/39581
2728         * c-decl.c (global_bindings_p): Return negative value.
2729         (c_variable_size): New.  Based on variable_size from
2730         stor-layout.c.
2731         (grokdeclarator): Call c_variable_size not variable_size.
2732
2733 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2736
2737 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2738
2739         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2740         Redefine it to just use mingw/include.
2741         (ASM_SPEC): Rules for -m32 and -m64.
2742         (LINK_SPEC): Use Likewise.
2743         (SPEC_32): New define.
2744         (SPEC_64): Likewise.
2745         (SUB_LINK_SPEC): Likewise.
2746         (MULTILIB_DEFAULTS): New define.
2747         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2748         Add multilib options.
2749         (MULTILIB_DIRNAMES): Likewise.
2750         (MULTILIB_OSDIRNAMES): Likewise.
2751         (LIBGCC): Likewise.
2752         (INSTALL_LIBGCC): Likewise.
2753
2754 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2755
2756         PR c/39556
2757         * c-tree.h (enum c_inline_static_type): New.
2758         (record_inline_static): Declare.
2759         * c-decl.c (struct c_inline_static, c_inline_statics,
2760         record_inline_static, check_inline_statics): New.
2761         (pop_file_scope): Call check_inline_statics.
2762         (start_decl): Call record_inline_static instead of pedwarning
2763         directly for static in inline function.
2764         * c-typeck.c (build_external_ref): Call record_inline_static
2765         instead of pedwarning directly for static referenced in inline
2766         function.
2767
2768 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2769
2770         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2771         not new but only being rescanned.
2772         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2773         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2774         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2775         record_set_info, compute_set, grealloc): Remove.
2776         (recompute_all_luids): New function.
2777         (gcse_main): Don't compute sets, and don't do related memory
2778         allocations/free-ing.  If something changed before the end of the
2779         pass, update LUIDs using recompute_all_luids.
2780         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2781         (free_gcse_mem): Don't free it either.
2782         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2783         Use the df insn LUIDs.
2784         (load_killed_in_block): Likewise.
2785         (compute_hash_table_work): Don't compute reg_set_in_block.
2786         (compute_transp): Use DF_REG_DEF_CHAINs.
2787         (local_cprop_pass): Don't use compute_sets and related functions.
2788         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2789         Use get_max_uid() instead of max_cuid.
2790         (insert_insn_end_basic_block, pre_insert_copy_insn,
2791         update_ld_motion_stores): Don't try to
2792         keep reg_set tables up to date.
2793         (pre_insert_copies): Use df insn LUIDs.
2794         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2795         (reg_set_info): Don't use extra bitmap argument.
2796         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2797         information to compute regs_set_in_block.
2798         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2799         (bypass_jumps): Don't use compute_sets and friends.
2800
2801 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2802
2803         PR testsuite/39710
2804         * opts.c (undocumented_msg): Do not leave blank even with
2805         ENABLE_CHECKING.
2806
2807 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2808
2809         * c-decl.c (build_enumerator): Allow values folding to integer
2810         constants but not integer constant expressions with a pedwarn if
2811         pedantic.
2812
2813 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2814
2815         PR c/39582
2816         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2817         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2818         type is an integer constant.
2819
2820 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2821
2822         PR target/39897
2823         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2824         HImode operands.
2825
2826 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2827
2828         PR c/39564
2829         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2830         with variably modified return type and no storage class
2831         specifiers, except for the case of nested functions.  Distinguish
2832         extern declarations of functions with variably modified return
2833         types from those of objects with variably modified types.
2834
2835 2009-04-25  Jan Hubicka  <jh@suse.cz>
2836
2837         * tree.c (list_equal_p): New function.
2838         * tree.h (list_equal_p): Declare.
2839         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2840         basic_block_def, basic_block, const_basic_block): New.
2841         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2842         (redirect_eh_edge): New function.
2843         (make_eh_edge_update_phi): EH edges are not abnormal.
2844         * except.c: Include tree-flow.h.
2845         (list_match): New function.
2846         (eh_region_replaceable_by_p): New function.
2847         (replace_region): New function.
2848         (hash_type_list): New function.
2849         (hash_eh_region): New function.
2850         (eh_regions_equal_p): New function.
2851         (merge_peers): New function.
2852         (remove_unreachable_regions): Verify EH tree when checking;
2853         merge peers.
2854         (copy_eh_region_1): New function.
2855         (copy_eh_region): New function.
2856         (push_reachable_handler): New function.
2857         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2858         regions without label but with live RESX.
2859         * except.h (redirect_eh_edge_to_label): New.
2860         * tree-flow.h (redirect_eh_edge): New.
2861         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2862         basic_block_def, basic_block, const_basic_block): Remove.
2863         * Makefile.in (except.o): Add dependency on tree-flow.h
2864         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2865         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2866         Remove.
2867
2868 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2869
2870         PR bootstrap/39645
2871         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2872         on the destination of memcpy.
2873
2874 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2875
2876         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2877         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2878         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2879
2880 2009-04-25  Jan Hubicka  <jh@suse.cz>
2881
2882         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2883         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2884         to be reached by different label than left.
2885         (update_eh_edges): Update comment; remove edge_to_remove if possible
2886         and return true if suceeded.
2887         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2888         (cleanup_eh): Compute sharing map.
2889         * except.c (remove_eh_handler_and_replace): Add argument if we should
2890         update regions.
2891         (remove_unreachable_regions): Update for label sharing.
2892         (label_to_region_map): Likewise.
2893         (get_next_region_sharing_label): New function.
2894         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2895         prev_try pointers.
2896         (remove_eh_handler): Update.
2897         (remove_eh_region_and_replace_by_outer_of): New function.
2898         * except.h (struct eh_region): Add next_region_sharing_label.
2899         (remove_eh_region_and_replace_by_outer_of,
2900         get_next_region_sharing_label): Declare.
2901         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2902
2903 2009-04-25  Jan Hubicka  <jh@suse.cz>
2904
2905         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2906         insert code even if they are not critical.
2907
2908 2009-04-25  Jan Hubicka  <jh@suse.cz>
2909
2910         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2911         (gimple_can_remove_branch_p): EH edges won't remove branch by
2912         redirection.
2913         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2914         updating of non-abnormal EH edges.
2915         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2916         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2917         (split_critical_edges): Split also edges where emitting code on them
2918         will lead to splitting later.
2919
2920 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2921             H.J. Lu  <hongjiu.lu@intel.com>
2922
2923         PR target/39590
2924         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2925         the configured assembler supports fildq and fistpq mnemonics.
2926         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2927         * configure: Regenerated.
2928         * config.in: Ditto.
2929
2930         * config/i386/i386.c (print_operand): Handle 'Z'.
2931         ['z']: Remove handling of special fild/fist suffixes.
2932         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2933         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2934         suffix of fild insn.
2935         (*floatsi<mode>2_vector_mixed): Ditto.
2936         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2937         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2938         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2939         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2940         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2941
2942 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2943  
2944         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2945         the source of a set operation.
2946
2947 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2948
2949         * target.h (struct gcc_target): Add case_values_threshold field.
2950         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2951         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2952         * targhooks.c (default_case_values_threshold): New function.
2953         * targhooks.h (default_case_values_threshold): Declare function.
2954         * stmt.c (expand_case): Use case_values_threshold target hook.
2955         * expr.h (case_values_threshold): Remove declartation.
2956         * expr.c (case_values_threshold): Remove function.
2957         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2958
2959         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2960         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2961         (avr_case_values_threshold): Declare as static.
2962         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2963
2964         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2965         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2966         (mn10300_case_values_threshold): New function.
2967
2968 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2969
2970         * ira.c (setup_cover_and_important_classes): Add enum cast.
2971
2972 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2973
2974         * genpreds.c (write_enum_constraint_num): Output definition of
2975         CONSTRAINT_NUM_DEFINED_P macro.
2976         * ira.c (setup_cover_and_important_classes): Use
2977         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2978         
2979 2009-04-24  DJ Delorie  <dj@redhat.com>
2980
2981         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2982         __SH2A_SINGLE_ONLY__ also.
2983
2984 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2985
2986         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2987         (movdf_internal): Ditto.
2988         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2989         SFmode and DFmode constants.
2990         (ia64_print_operand): Add 'G' format for printing
2991         floating point constants.
2992
2993 2009-04-24  Richard Guenther  <rguenther@suse.de>
2994
2995         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
2996         from unsigned additions.
2997
2998 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
2999
3000         * c-typeck.c (set_init_index): Allow array designators that are
3001         not integer constant expressions with a pedwarn if pedantic.
3002
3003 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3004
3005         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3006         zero if no overlap in nonzero bits between the operands.
3007
3008 2009-04-24  Ian Lance Taylor  <iant@google.com>
3009
3010         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3011         (record_dead_and_set_regs): Likewise.
3012         * df.h (struct df_mw_hardreg): Change flags field to int.
3013         (struct df_base_ref): Likewise.
3014         (struct df): Change changeable_flags field to int.
3015         * df-scan.c (df_defs_record): Change clobber_flags to int.
3016         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3017         constants rather than #define macros.
3018         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3019         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3020         (enum dwarf_calling_convention): Likewise.
3021         (enum dwarf_line_number_x_ops): Likewise.
3022         (enum dwarf_call_frame_info): Likewise.
3023         (enum dwarf_source_language): Likewise.
3024         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3025         (add_calling_convention_attribute): Likewise.
3026         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3027         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3028         * genrecog.c (maybe_both_true_2): Change c to int.
3029         (write_switch): Likewise.  Add cast to enum type.
3030         * gimplify.c (gimplify_omp_for): Handle return values from
3031         gimplify_expr using MIN rather than bitwise or.
3032         (gimplify_expr): Add cast to enum type.
3033         * ipa-prop.c (update_jump_functions_after_inlining): Change
3034         IPA_BOTTOM to IPA_JF_UNKNOWN.
3035         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3036         Add casts to enum type.
3037         (setup_cover_and_important_classes): Change cl to int.  Add casts
3038         to enum type.
3039         (setup_class_translate): Change cl and mode to int.
3040         (ira_init_once): Change mode to int.
3041         (free_register_move_costs): Likewise.
3042         (setup_prohibited_mode_move_regs): Add casts to enum type.
3043         * langhooks.c (add_builtin_function_common): Rework assertion that
3044         value fits bitfield.
3045         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3046         * omega.c (omega_do_elimination): Avoid math on enum types.
3047         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3048         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3049         int local to handle integral_argment value.
3050         * regmove.c (try_auto_increment): Change PUT_MODE to
3051         PUT_REG_NOTE_KIND.
3052         * reload.c (push_secondary_reload): Add casts to enum type.
3053         (secondary_reload_class, find_valid_class): Likewise.
3054         * reload1.c (emit_input_reload_insns): Likewise.
3055         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3056         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3057         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3058         constant.
3059         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3060         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3061         enum type.
3062         (expand_complex_libcall): Add casts to enum type.
3063         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3064         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3065         with ERROR_MARK, not NUM_TREE_CODES.
3066         (vect_create_epilog_for_reduction): Likewise.
3067         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3068         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3069         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3070         enum machine_mode.
3071         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3072         vect_unused_in_loop.  Change 0 to loop_vect.
3073         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3074         * var-tracking.c (get_init_value): Change return type to enum
3075         var_init_status.
3076         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3077         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3078         arm_fp_model.
3079         (arm_override_options): Add casts to enum type.
3080         (arm_emit_tls_decoration): Likewise.
3081         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3082         to enum type.
3083         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3084         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3085         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3086         enum type.
3087         * config/s390/s390.c (code_for_builtin_64): Change to array of
3088         enum insn_code.
3089         (code_for_builtin_31): Likewise.
3090         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3091         const *.
3092         * config/sparc/sparc.c (sparc_override_options): Change value
3093         field in struct code_model to enum cmodel.  In initializer change
3094         0 to NULL and add cast to enum type.
3095
3096         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3097         Change all callers.  Issue a -Wc++-compat warning using
3098         lhs_origtype if necessary.
3099         (convert_for_assignment): Issue -Wc++-compat warnings about
3100         invalid conversions to enum type on assignment.
3101         * c-common.h (build_modify_expr): Update declaration.
3102
3103 2009-04-24  Nick Clifton  <nickc@redhat.com>
3104
3105         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3106         (function_arg_advance): Likewise.
3107         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3108         5th alternative.
3109
3110 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3111
3112         * config/s390/constraints.md ('I', 'J'): Fix condition.
3113
3114 2009-04-24  Diego Novillo  <dnovillo@google.com>
3115
3116         * gengtype-parse.c (parse_error): Add newline after message.
3117
3118 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3119
3120         * config/i386/sse.md (avxmodesuffixs): Removed.
3121         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3122         (*avx_pinsr<ssevecsize>): This.
3123
3124 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3125
3126         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3127         follow chains of regs with a single definition, and allow expressions
3128         that are function_invariant_p.
3129         (simple_rhs_p): Allow expressions that are function_invariant_p.
3130
3131 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3132
3133         PR middle-end/39867
3134         * fold-const.c (fold_cond_expr_with_comparison): When folding
3135         > and >= to MAX, make sure the MAX uses the same type as the
3136         comparison's operands.
3137
3138 2009-04-24  Nick Clifton  <nickc@redhat.com>
3139
3140         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3141         addressing for DImode accesses.
3142         (frv_print_operand_address): Handle PLUS case.
3143         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3144
3145 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3146
3147         PR rtl-optimization/39794
3148         * alias.c (canon_true_dependence): Add x_addr argument.
3149         * rtl.h (canon_true_dependence): Adjust prototype.
3150         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3151         * cselib.c (cselib_invalidate_mem): Likewise.
3152         * gcse.c (compute_transp): Likewise.
3153         * dse.c (scan_reads_nospill): Likewise.
3154         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3155         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3156         canon_base_addr of the group, plus optional offset.
3157         (struct group_info): Rename canon_base_mem to
3158         canon_base_addr.
3159         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3160         canon_rtx of base_mem.
3161
3162 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3163
3164         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3165         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3166
3167 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3168
3169         * config/spu/spu-builtins.h: Delete file.
3170
3171         * config/spu/spu.h (enum spu_builtin_type): Move here from
3172         spu-builtins.h.
3173         (struct spu_builtin_description): Likewise.  Add GTY marker.
3174         Do not use enum spu_function_code or enum insn_code.
3175         (spu_builtins): Add extern declaration.
3176
3177         * config/spu/spu.c: Do not include "spu-builtins.h".
3178         (enum spu_function_code, enum spu_builtin_type_index,
3179         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3180         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3181         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3182         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3183         (spu_builtin_types): Make static.  Add GTY marker.
3184         (spu_builtins): Add extern declaration with GTY marker.
3185         Include "gt-spu.h".
3186
3187         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3188         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3189         Check programmatically whether all parameters are scalar.
3190
3191         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3192
3193 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3194
3195         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3196         assignment from the constructor either if the target is volatile.
3197
3198 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3199
3200         * config/arm/arm.md (insv): Do not share operands[0].
3201
3202 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3203
3204         * config/vxlib-tls.c (active_tls_threads): Delete.
3205         (delete_hook_installed): New.
3206         (tls_delete_hook): Don't delete the delete hook.
3207         (tls_destructor): Delete it here.
3208         (__gthread_set_specific): Adjust installing the delete hook.
3209         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3210         __gthread_leave_tsd_dtor_context.
3211
3212 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3213
3214         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3215
3216 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3217
3218         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3219         enum type.
3220         (alpha_rtx_costs): Ditto.
3221         (emit_unlikely_jump): Use add_reg_note.
3222         (emit_frame_store_1): Ditto.
3223         (alpha_expand_prologue): Ditto.
3224         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3225         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3226
3227 2009-04-23  Nick Clifton  <nickc@redhat.com>
3228
3229         * config/v850/v850.md (epilogue): Remove suppressed code.
3230         (return): Rename to return_simple and remove test of frame size.
3231         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3232         to gen_return_simple.
3233
3234 2009-04-22  Jing Yu  <jingyu@google.com>
3235
3236         PR testsuite/39781
3237         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3238
3239 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3240
3241         PR C/31499
3242         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3243         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3244         value is a VECTOR_CST, the element type is the element type of the
3245         vector.
3246
3247 2009-04-22  DJ Delorie  <dj@redhat.com>
3248
3249         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3250
3251 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3252
3253         * alias.c (find_base_term): Move around LO_SUM case, so that
3254         CONST falls through into PLUS/MINUS handling.
3255
3256         PR c/39855
3257         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3258         into 0, use omit_one_operand.
3259
3260 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3261
3262         * config/rs6000/linux-unwind.h (get_regs): Remove type
3263         puns. Change the type of `pc' to an array of unsigned ints and
3264         update all users.  Constify frame24.
3265
3266 2009-04-22  DJ Delorie  <dj@redhat.com>
3267
3268         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3269         declarations before code.
3270         (current_function_special_page_vector): Likewise.
3271         (m32c_expand_insv): Silence a warning.
3272
3273 2009-04-21  Taras Glek  <tglek@mozilla.com>
3274
3275         * alias.c: Update GTY annotations to new syntax.
3276         * basic-block.h: Likewise.
3277         * bitmap.h: Likewise.
3278         * c-common.h: Likewise.
3279         * c-decl.c: Likewise.
3280         * c-parser.c: Likewise.
3281         * c-pragma.c: Likewise.
3282         * c-tree.h: Likewise.
3283         * cfgloop.h: Likewise.
3284         * cgraph.h: Likewise.
3285         * config/alpha/alpha.c: Likewise.
3286         * config/arm/arm.h: Likewise.
3287         * config/avr/avr.h: Likewise.
3288         * config/bfin/bfin.c: Likewise.
3289         * config/cris/cris.c: Likewise.
3290         * config/darwin.c: Likewise.
3291         * config/frv/frv.c: Likewise.
3292         * config/i386/i386.c: Likewise.
3293         * config/i386/i386.h: Likewise.
3294         * config/i386/winnt.c: Likewise.
3295         * config/ia64/ia64.h: Likewise.
3296         * config/iq2000/iq2000.c: Likewise.
3297         * config/mips/mips.c: Likewise.
3298         * config/mmix/mmix.h: Likewise.
3299         * config/pa/pa.c: Likewise.
3300         * config/pa/pa.h: Likewise.
3301         * config/rs6000/rs6000.c: Likewise.
3302         * config/s390/s390.c: Likewise.
3303         * config/sparc/sparc.c: Likewise.
3304         * config/xtensa/xtensa.c: Likewise.
3305         * cselib.h: Likewise.
3306         * dbxout.c: Likewise.
3307         * dwarf2out.c: Likewise.
3308         * except.c: Likewise.
3309         * except.h: Likewise.
3310         * fixed-value.h: Likewise.
3311         * function.c: Likewise.
3312         * function.h: Likewise.
3313         * gimple.h: Likewise.
3314         * integrate.c: Likewise.
3315         * optabs.c: Likewise.
3316         * output.h: Likewise.
3317         * real.h: Likewise.
3318         * rtl.h: Likewise.
3319         * stringpool.c: Likewise.
3320         * tree-data-ref.c: Likewise.
3321         * tree-flow.h: Likewise.
3322         * tree-scalar-evolution.c: Likewise.
3323         * tree-ssa-address.c: Likewise.
3324         * tree-ssa-alias.h: Likewise.
3325         * tree-ssa-operands.h: Likewise.
3326         * tree.c: Likewise.
3327         * tree.h: Likewise.
3328         * varasm.c: Likewise.
3329         * varray.h: Likewise.
3330         * vec.h: Likewise.
3331         * coretypes.h: Do not define GTY macro if it is already defined.
3332         * doc/gty.texi: Update GTY documentation to new syntax.
3333         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3334         annotations on structs.
3335         * gengtype-parse.c: Likewise.
3336
3337 2009-04-22  Mark Heffernan  <meheff@google.com>
3338
3339         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3340
3341 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3342
3343         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3344         where appropriate.
3345
3346 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3347
3348         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3349         the same as a PLUS without a shift.  Increase the cost of a
3350         CONST_INT in MULT.
3351
3352 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3353
3354         * Makefile.in: Update dependencies.
3355         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3356         * errors.h: Remove bogus comment about compatibility.
3357         (warning): Update declaration.
3358         * genautomata.c: Update all calls to warning.
3359         * gimple.c: Do not include errors.h. Include toplev.h.
3360         * tree-ssa-structalias.c: Do not include errors.h.
3361         * omega.c: Likewise.
3362         * tree-ssa-reassoc.c: Likewise.
3363         * config/spu/spu-c.c: Likewise.
3364         * config/spu/t-spu-elf: Update dependencies.
3365
3366 2009-04-22  Richard Guenther  <rguenther@suse.de>
3367
3368         PR tree-optimization/39824
3369         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3370         make sure the types are compatible.
3371
3372 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3373
3374         PR c++/14875
3375         * c-common.c (c_parse_error): Take a token_flags parameter.
3376         Use token_type for the token type instead.
3377         Pass token_flags to cpp_type2name.
3378         * c-common.h (c_parse_error): Update declaration.
3379         * c-parser.c (c_parser_error): Pass 0 as token flags.
3380
3381 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3382
3383         PR rtl-optimization/39580
3384         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3385         
3386 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3387
3388         * function.c (expand_function_end): Do not emit a jump to the "naked"
3389         return label for fall-through returns.
3390         * except.c (sjlj_emit_function_exit): Always place the call to the
3391         unregister function at the location installed by expand_function_end.
3392
3393 2009-04-22  Richard Guenther  <rguenther@suse.de>
3394
3395         PR tree-optimization/39845
3396         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3397         (gen_inbound_check): Likewise.
3398
3399 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3400
3401         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3402         padding for PPC.
3403         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3404         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3405
3406 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3407
3408         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3409         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3410         shift counts to avoid out-of-bounds array accesses.
3411
3412 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3413
3414         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3415         (Pmode): Move above.
3416
3417 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3418
3419         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3420         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3421         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3422         * config/alpha/alpha.h: Ditto.
3423         * config/alpha/alpha.md: Ditto.
3424         * config/alpha/constraints.md: Ditto.
3425         * config/alpha/predicates.md: Ditto.
3426         
3427 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3428
3429         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3430         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3431         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3432         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3433         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3434         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3435         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3436         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3437         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3438         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3439         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3440         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3441         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3442         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3443         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3444         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3445         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3446         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3447         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3448         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3449         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3450         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3451         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3452         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3453         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3454         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3455         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3456
3457 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3458
3459         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3460         references from comments.
3461         * cfgbuild.c: (count_basic_blocks): Delete.
3462         (find_basic_blocks_1): Delete.
3463         (find_basic_blocks): Delete.
3464         * except.c (finish_eh_generation): Make static.  Move comment from
3465         except.h here.  Remove find_basic_blocks references from comments.
3466         * except.h (finish_eh_generation): Delete.
3467         * basic-block.h (find_basic_blocks): Delete.
3468         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3469
3470 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3471
3472         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3473         (sdbout_parms):  Likewise.
3474
3475 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3476
3477         * config/sh/sh.c (prepare_cbranch_operands): Use
3478         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3479         (expand_cbranchdi4): Likewise.
3480         (from_compare): Add cast to enum type.
3481         (expand_cbranchsi4): Use add_reg_note.
3482         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3483         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3484         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3485         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3486         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3487         instead of CODE_FOR_nothing.
3488         (cbranchdi4): Likewise.  Fix the order of arguments for
3489         gen_rtx_fmt_ee.
3490         (push_fpscr): Use add_reg_note.
3491         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3492         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3493         
3494 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3495
3496         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3497         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3498         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3499         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3500         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3501         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3502         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3503         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3504         config/alpha/x-vms, config/arc/t-arc,
3505         config/arm/README-interworking, config/arm/arm-c.c,
3506         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3507         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3508         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3509         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3510         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3511         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3512         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3513         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3514         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3515         config/cris/t-elfmulti, config/crx/t-crx,
3516         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3517         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3518         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3519         config/h8300/t-h8300, config/i386/athlon.md,
3520         config/i386/darwin-libgcc.10.4.ver,
3521         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3522         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3523         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3524         config/i386/t-linux64, config/i386/t-nwld,
3525         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3526         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3527         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3528         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3529         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3530         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3531         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3532         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3533         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3534         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3535         config/m68k/t-uclinux, config/mcore/t-mcore,
3536         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3537         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3538         config/mips/crtn.asm, config/mips/irix-crti.asm,
3539         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3540         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3541         config/mips/mips-fixed.md, config/mips/sb1.md,
3542         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3543         config/mips/t-iris6, config/mips/t-isa3264,
3544         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3545         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3546         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3547         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3548         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3549         config/mn10300/t-linux, config/mn10300/t-mn10300,
3550         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3551         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3552         config/picochip/libgccExtras/clzsi2.asm,
3553         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3554         config/rs6000/darwin-libgcc.10.4.ver,
3555         config/rs6000/darwin-libgcc.10.5.ver,
3556         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3557         config/rs6000/t-aix43, config/rs6000/t-aix52,
3558         config/rs6000/t-darwin, config/rs6000/t-fprules,
3559         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3560         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3561         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3562         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3563         config/rs6000/t-rtems, config/rs6000/t-spe,
3564         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3565         config/score/t-score-elf, config/sh/divcost-analysis,
3566         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3567         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3568         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3569         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3570         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3571         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3572         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3573         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3574         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3575         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3576         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3577         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3578         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3579         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3580         * config/h8300/genmova.sh: Include copyright and license notices
3581         in generated output.
3582         * config/h8300/mova.md: Regenerate.
3583         * doc/install.texi2html: Include word "Copyright" in copyright
3584         notice and use name "Free Software Foundation, Inc.".
3585         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3586         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3587         ChangeLog-2007, ChangeLog-2008: Correct dates.
3588
3589 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3590
3591         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3592         NE_EXPR operations as well.
3593         * c-parser.c (c_parser_condition): Do not set location information on
3594         the condition.
3595         (c_parser_conditional_expression): Likewise.
3596         (c_parser_binary_expression): Set location information on operators.
3597         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3598         TRUTH_NOT_EXPR has been folded.
3599         * fold-const.c (fold_truth_not_expr): Copy location information from
3600         the incoming expression to the outgoing one.
3601         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3602         recursive calls on the LHS of the operator but pass that of the
3603         operator to recursive calls on the RHS of the operator.  Set it
3604         on the COND_EXPR.
3605         (shortcut_cond_expr): Set the locus of the operator on the second
3606         COND_EXPR and that of the expression on the first in degenerate cases.
3607         Pass the locus of the expression to calls to shortcut_cond_r.
3608         Set the locus of the 'then' block on the associated jump, if any.
3609         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3610         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3611         expression to call to gimplify_boolean_expr.
3612
3613 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3614
3615         * config.gcc: Add additional configuration for
3616         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3617         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3618         (CPP_SPEC): Redefine for allowing -municode option.
3619         (STARTFILE_SPEC): Likewise.
3620         * config/i386/t-mingw-w64: New.
3621         * config/i386/mingw-w64.opt: New.
3622         (municode): Add new target option.
3623         * doc/invoke.texi (municode): Add documentation for new option.
3624
3625 2009-04-21  Ian Lance Taylor  <iant@google.com>
3626
3627         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3628         Correct test for number of arguments.
3629         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3630
3631 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3632
3633         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3634         argument of emit_library_call.
3635
3636 2009-04-21  Richard Guenther  <rguenther@suse.de>
3637
3638         PR middle-end/39829
3639         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3640         inside VIEW_CONVERT_EXPRs.
3641
3642 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3643
3644         * tree-switch-conversion.c (build_constructors): Split a long line.
3645         (constructor_contains_same_values_p): New function.
3646         (build_one_array): Create assigns of constants if possible, do not
3647         call mark_sym_for_renaming, call update_stmt.
3648         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3649         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3650         update_stmt.
3651         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3652         find_new_referenced_vars, call update_stmt.
3653         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3654         instead of calling make_rename_temp.  Do not call
3655         find_new_referenced_vars or mark_symbols_for_renaming, call
3656         update_stmt.
3657
3658 2009-04-21  Richard Guenther  <rguenther@suse.de>
3659
3660         PR tree-optimization/39827
3661         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3662         (tree_ssa_phiprop): Pass the correct array size.
3663
3664 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3665
3666         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3667
3668 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3669
3670         PR 16202
3671         * c-typeck.c (lvalue_p): Move declaration ...
3672         * c-common.h (lvalue_p): ... to here.
3673         * c-common.c (candidate_equal_p): New.
3674         (add_tlist): Use it.
3675         (merge_tlist): Use it.
3676         (warn_for_collisions_1): Likewise.
3677         (warning_candidate_p): Accept more candidates.
3678         (verify_tree): A warning candidate can be an expression. Use
3679         candidate_equal_p.
3680
3681 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3682
3683         PR target/5267
3684         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3685         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3686         options.  Remove -mcall-solaris documentation.
3687
3688 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3689
3690         PR c++/13358
3691         * doc/invoke.texi (-Wlong-long): Update description.
3692         * c-lex (interpret_integer): Only warn if there was no previous
3693         overflow and -Wlong-long is enabled.
3694         * c-decl.c (declspecs_add_type): Drop redundant flags.
3695         * c.opt (Wlong-long): Init to -1.
3696         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3697         and front-end warn_long_long. Wlong-long only depends on other
3698         flags if it is uninitialized.
3699         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3700         the same for CPP and FE.
3701         (restore_extension_diagnostics): Likewise.
3702
3703 2009-04-20  Ian Lance Taylor  <iant@google.com>
3704
3705         Fix enum conversions which are invalid in C++:
3706         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3707         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3708         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3709         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3710         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3711         (dbxout_parms): Likewise.
3712         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3713         (df_clear_flags): Likewise.
3714         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3715         top_flag parameter to int.
3716         (df_chain_create_bb_process_use): Likewise.
3717         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3718         Remove cast.
3719         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3720         (df_ref_create_structure, df_def_record_1): Likewise.
3721         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3722         (df_notes_rescan): Change 0 to VOIDmode in function call.
3723         (df_get_call_refs, df_insn_refs_collect): Likewise.
3724         (df_bb_regs_collect): Likewise.
3725         (df_entry_block_defs_collect): Likewise.
3726         (df_exit_block_uses_collect): Likewise.
3727         * df.h: Update declarations.
3728         * double-int.c (double_int_divmod): Add cast to enum type.
3729         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3730         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3731         (based_loc_descr): Likewise.
3732         (loc_descriptor_from_tree_1): Change first_op and second_op to
3733         enum dwarf_location_atom.  Add cast to enum type.
3734         * expmed.c (init_expmed): Change 0 to SET in function call.
3735         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3736         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3737         (do_store_flag): Likewise.
3738         * fixed-value.h (struct fixed_value): Change mode to enum
3739         machine_mode.
3740         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3741         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3742         function call.
3743         (insert_insn_decl, insert_decl, insert_state): Likewise.
3744         (automata_list_finish): Likewise.
3745         * genrecog.c (process_define_predicate): Add cast to enum type.
3746         * gensupport.c (init_predicate_table): Add cast to enum type.
3747         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3748         function call.
3749         (gimple_build_call_1, gimple_build_label): Likewise.
3750         (gimple_build_goto, gimple_build_asm_1): Likewise.
3751         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3752         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3753         (enum fallback): Rename from enum fallback_t.
3754         (fallback_t): Typedef as int.
3755         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3756         GSI_SAME_STMT in function call.
3757         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3758         enum type.
3759         (setup_reg_class_relations): Likewise.
3760         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3761         (setup_prohibited_class_mode_regs): Add cast to enum type.
3762         (setup_prohibited_mode_move_regs): Likewise.
3763         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3764         (record_address_regs): Change i to enum reg_class.
3765         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3766         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3767         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3768         (GET_MODE_2XWIDER_MODE): Likewise.
3769         (GET_CLASS_NARROWEST_MODE): Likewise.
3770         * omp-low.c (expand_omp_for): Add cast to enum type.
3771         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3772         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3773         * postreload.c (reload_cse_simplify_operands): Change rclass local
3774         to enum reg_class.
3775         * predict.c (combine_predictions_for_insn): Change best_predictor
3776         and predictor to enum br_predictor.
3777         (combine_predictions_for_bb): Likewise.
3778         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3779         use SET_PREDICT_EXPR_OUTCOME.
3780         * real.c (real_arithmetic): Change icode to code in function call.
3781         * reginfo.c (init_move_cost): Add casts to enum type.
3782         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3783         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3784         enum reg_class.
3785         * reload.c (find_valid_class): Add casts to enum type.
3786         (push_reload): Change 0 to NO_REGS in function call.
3787         (find_reloads): Change this_alternative to array of enum
3788         reg_class.  Remove some now-unnecessary casts.
3789         (make_memloc): Change 0 to VOIDmode in function call.
3790         * reload1.c (reload): Change 0 to VOIDmode in function call.
3791         (eliminate_regs_1, elimination_effects): Likewise.
3792         (eliminate_regs_in_insn): Likewise.
3793         (emit_input_reload_insns): Add cast to enum type.
3794         (delete_output_reload): Change 0 to VOIDmode in function call.
3795         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3796         to enum type in function call.
3797         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3798         (SET_PREDICT_EXPR_OUTCOME): Define.
3799         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3800         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3801         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3802         (dump_function): Likewise.
3803         * tree-dump.h: Update declarations.
3804         * tree-pass.h: Update declarations.
3805         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3806         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3807         enum type.
3808         (arm_rtx_costs_1): Correct parenthesization.
3809         (arm_rtx_costs): Add casts to enum type.
3810         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3811         (vfp_emit_fstmd): Use add_rg_note.
3812         (emit_multi_reg_push, emit_sfm): Likewise.
3813         (thumb_set_frame_pointer): Likewise.
3814         (arm_expand_prologue): Likewise.
3815         (arm_regno_class): Change return type to enum reg_class.
3816         (thumb1_expand_prologue): Use add_reg_note.
3817         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3818         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3819         in function call.
3820         * config/arm/gentune.sh: Add cast to enum type.
3821         * config/arm/arm-tune.md: Rebuild.
3822         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3823         (ix86_split_fp_branch, predict_jump): Likewise.
3824         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3825         insn_code to enum rtx_code.
3826         (ix86_builtin_vectorized_function): Add cast to enum type.
3827         * config/i386/i386.md (truncdfsf2): Change slot to enum
3828         ix86_stack_slot.
3829         (truncxf<mode>2, isinf<mode>2): Likewise.
3830         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3831         enum type.
3832         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3833         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3834         (insert_bundle_state): Change 1 to INSERT in function call.
3835         (ia64_add_bundle_selector_before): Likewise.
3836         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3837         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3838         (restore_stack_nonlocal): Likewise.
3839         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3840         function call.
3841         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3842         function call.
3843         (mips_rtx_costs): Likewise.
3844         (mips_override_options): Add casts to enum type.
3845         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3846         in function call.
3847         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3848         (store_reg, set_reg_plus_d): Likewise.
3849         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3850         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3851         cast to enum type.
3852         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3853         function call.
3854         (emit_unlikely_jump): Use add_reg_note.
3855         (rs6000_emit_allocate_stack): Likewise.
3856         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3857         (output_toc): Change 1 to INSERT in function call.
3858         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3859         (rs6000_initialize_trampoline): Likewise.
3860         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3861         function call.
3862         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3863         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3864         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3865         (save_gprs): Use add_reg_note.
3866         (s390_emit_prologue): Likewise.
3867         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3868         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3869         (sparc_fold_builtin): Add cast to enum type.
3870         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3871         enum insn_code.
3872         (spu_expand_prologue): Use add_reg_note.
3873         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3874
3875 2009-04-20  Ian Lance Taylor  <iant@google.com>
3876
3877         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3878         (c_parser_postfix_expression_after_primary): Get VEC for list of
3879         arguments.  Get original types of arguments.  Call
3880         build_function_call_vec.
3881         (cached_expr_list_1, cached_expr_list_2): New static variables.
3882         (c_parser_expr_list): Change return type to VEC *.  Add
3883         p_orig_types parameter.  Change all callers.
3884         (c_parser_release_expr): New static function.
3885         (c_parser_vec_to_tree_list): New static function.
3886         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3887         call build_function_call_vec.
3888         (build_function_call_vec): New function, based on old
3889         build_function_call.
3890         (convert_arguments): Remove nargs and argarray parameters.  Change
3891         values to a VEC.  Add origtypes parameter.
3892         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3893         (convert_for_assignment): Add origtype parameter.  Change all
3894         callers.  If warn_cxx_compat, check for conversion to an enum
3895         type when calling a function.
3896         (store_init_value): Add origtype parameter.  Change all callers.
3897         (digest_init): Likewise.
3898         (struct init_node): Add origtype field.
3899         (add_pending_init): Add origtype parameter.  Change all callers.
3900         (output_init_element): Likewise.
3901         (output_pending_init_elements): Pass origtype from init_node to
3902         output_init_element.
3903         (process_init_element): Pass origtype from c_expr to
3904         output_init_element.
3905         (c_finish_return): Add origtype parameter.  Change all callers.
3906         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3907         caller.
3908         (sync_resolve_params): Likewise.
3909         (sync_resolve_return): Change params to first_param.  Change caller.
3910         (resolve_overloaded_builtins): Change params to VEC *.  Change
3911         callers.  Save first parameter around call to build_function_call_vec.
3912         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3913         callers.  Call build_function_call_vec rather than
3914         build_function_call for cleanup.
3915         * c-tree.h: Update declarations.
3916         * c-common.h: Update declarations.
3917         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3918         params to first_param.
3919         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3920         params parameter from tree to void *.
3921         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3922         Change arglist parameter to have type void *, and to be a pointer
3923         to a VEC.
3924         * config/rs6000/rs6000-protos.h
3925         (altivec_resolve_overloaded_builtin): Update declaration.
3926         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3927         fnargs parameter to have type void *, and to be a pointer to a
3928         VEC.  Call build_function_call_vec instead of
3929         build_function_call.
3930         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3931
3932 2009-04-20  Joey Ye  <joey.ye@intel.com>
3933             Xuepeng Guo  <xuepeng.guo@intel.com>
3934             H.J. Lu  <hongjiu.lu@intel.com>
3935
3936         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3937
3938         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3939         (IX86_LEA_PRIORITY): Likewise.
3940         (distance_non_agu_define): New function.
3941         (distance_agu_use): Likewise.
3942         (ix86_lea_for_add_ok): Likewise.
3943         (ix86_dep_by_shift_count): Likewise.
3944
3945         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3946         should split for LEA.
3947
3948         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3949         function.
3950         (ix86_dep_by_shift_count): Likewise.
3951
3952 2009-04-20  Richard Guenther  <rguenther@suse.de>
3953
3954         * expr.c (handled_component_p): Move ...
3955         * tree.h (handled_component_p): ... here.
3956         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3957         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3958         and REALPART_EXPR to be in one group.
3959
3960 2009-04-20  Richard Guenther  <rguenther@suse.de>
3961
3962         * basic-block.h (get_all_dominated_blocks): Declare.
3963         * dominance.c (get_all_dominated_blocks): New function.
3964         * tree-cfg.c (get_all_dominated_blocks): Remove.
3965         (remove_edge_and_dominated_blocks): Adjust.
3966         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3967         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3968         instead of recursing.
3969
3970 2009-04-20  Doug Kwan  <dougkwan@google.com>
3971
3972         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3973         (struct cgraph_node_set_def): New type.
3974         (cgraph_node_set) New type. Also declare vector functions.
3975         (struct cgraph_node_set_element_def): New type.
3976         (cgraph_node_set_element): Ditto.
3977         (cgraph_node_set_iterator): New iterator type.
3978         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3979         cgraph_node_set_remove, dump_cgraph_node_set,
3980         debug_cgraph_node_set): New prototypes.
3981         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3982         cgraph_node_set_size): New inlines.
3983         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3984         including cgraph.h.
3985         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3986         argument to function 'write_summary'.
3987         * ipa.c: Include ggc.h.
3988         (hash_cgraph_node_set_element,
3989         eq_cgraph_node_set_element, cgraph_node_set_new,
3990         cgraph_node_set_add, cgraph_node_set_remove,
3991         cgraph_node_set_find, dump_cgraph_node_set,
3992         debug_cgraph_node_set): New functions.
3993         * Makefile.in (ipa.o): Add dependency on GGC_H.
3994
3995 2009-04-20  Ira Rosen  <irar@il.ibm.com>
3996
3997         PR tree-optimization/39675
3998         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
3999         check of the return code of vect_schedule_slp. Check that
4000         stmt_vec_info still exists for the statement, before checking its
4001         vectorization type.
4002
4003 2009-04-20  Michael Matz  <matz@suse.de>
4004
4005         * Makefile.in (generated_files): Take out $(simple_generated_c).
4006
4007 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4008
4009         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4010         (UINTPTR_TYPE):  Likewise.
4011
4012 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4013
4014         PR c/37481
4015         * c-typeck.c (digest_init): Check for initializing an array with a
4016         string literal.
4017
4018 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4019
4020         PR c/19771
4021         * c-semantics.c (pop_stmt_list): Propagate
4022         STATEMENT_LIST_HAS_LABEL to parent statement list.
4023
4024 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4025
4026         * config/mips/mips.h (mips_tune_attr): New macro.
4027         * config/mips/mips.md (cpu): Use it.
4028
4029 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4030
4031         PR c/38243
4032         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4033         declaring a tag.
4034
4035 2009-04-19  Diego Novillo  <dnovillo@google.com>
4036
4037         * toplev.c (compile_file): Move call to coverage_finish ...
4038         * cgraphunit.c (ipa_passes): ... here.
4039         Call cgraph_process_new_functions.
4040         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4041         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4042
4043 2009-04-19  Jan Hubicka  <jh@suse.cz>
4044
4045         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4046         cfun.
4047         (dump_cgraph_node): Dump can throw external flag.
4048         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4049
4050 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4051
4052         PR c/32061
4053         PR c++/36954
4054         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4055         * common.opt (Wlogical-op): Move from here...
4056         * c.opt (Wlogical-op): ... to here.
4057         * c-typeck.c (parser_build_binary_op): Update call to
4058         warn_logical_operator.
4059         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4060         extra_warnings.
4061         * c-common.c (warn_logical_op): Update.
4062         * c-common.h (warn_logical_op): Update declaration.
4063
4064 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4065
4066         * tree.c (protected_set_expr_location): Fix formatting.
4067
4068 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4069
4070         PR c/27676
4071         * c-typeck.c (readonly_warning): new.
4072         (build_unary_op, build_modify_expr): Use readonly_warning for
4073         storing into something readonly but not const-qualified.
4074
4075 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4076
4077         PR c/22367
4078         * c-typeck.c (build_unary_op): Check for taking address of
4079         expression of type void.
4080
4081 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4082
4083         PR c/35210
4084         * c-typeck.c (build_function_call): Check for calling a function
4085         with qualified void return types.  Call require_complete_type when
4086         generating a trap.
4087
4088 2009-04-18  Jan Hubicka  <jh@suse.cz>
4089
4090         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4091         Set nothrow flag.
4092         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4093         can_throw_external flag.
4094         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4095         * ipa-pure-const.c (ignore_edge): New function.
4096         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4097         only over can_throw_external edges.
4098         (local_pure_const): Add nothrow flag.
4099         * ipa-utils.c (searchc): Add ignore_edge callback.
4100         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4101         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4102         (set_nothrow_function_flags): Update cgraph.
4103         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4104
4105 2009-04-18  Richard Guenther  <rguenther@suse.de>
4106
4107         PR middle-end/39804
4108         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4109         (fold_stmt): ... this and ...
4110         (fold_stmt_inplace): ... this.
4111         (fold_stmt_1): Fold references in calls and asms.
4112         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4113
4114 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4115
4116         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4117         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4118
4119 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4120
4121         * tree.c (function_args_count): Remove.
4122         * tree.h: Remove the prototype for function_args_count.
4123
4124 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4125
4126         * tree-iterator.c (expr_only): Remove.
4127         * tree.h: Remove the prototype for expr_only.
4128
4129 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4130
4131         * reginfo.c (cannot_change_mode_set_regs): Remove.
4132         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4133
4134 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4135
4136         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4137         whether operands 0 and 1 overlaps.
4138
4139 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4140
4141         PR middle-end/36902
4142         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4143         pointer. Use warning_at instead of warning.
4144         (search_for_addr_array): Likewise.
4145         (check_array_bounds): Likewise.
4146         (check_all_array_refs): Check that the incoming edge is not in the
4147         list of edges to be removed.
4148         (check_all_array_refs): Avoid the temporal pointer.
4149         (vrp_visit_cond_stmt): Fix typo.
4150         (simplify_switch_using_ranges): Handle the case where the switch
4151         index is an integer constant.
4152
4153 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4154
4155         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4156
4157 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4158
4159         * doc/extend.texi, doc/invoke.texi: Fix typos.
4160
4161 2009-04-17  Cary Coutant  <ccoutant@google.com>
4162
4163         * tree-flow-inline.h (get_lineno): Fix inverted test.
4164
4165 2009-04-17  Diego Novillo  <dnovillo@google.com>
4166
4167         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4168         assertion for AVAIL_OUT.
4169
4170 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4171
4172         PR target/38627
4173         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4174         * config/sh/linux-atomic.asm: Likewise.
4175
4176 2009-04-17  Diego Novillo  <dnovillo@google.com>
4177
4178         * except.c (debug_eh_tree): New.
4179         (struct eh_region, struct eh_status): Move ...
4180         * except.h: ... here.
4181         (add_type_for_runtime): Declare extern.
4182         (lookup_type_for_runtime): Likewise.
4183         (debug_eh_tree): Declare.
4184         * Makefile.in (GTFILES): List except.h before except.c
4185
4186 2009-04-17  Diego Novillo  <dnovillo@google.com>
4187
4188         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4189         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4190         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4191         (find_vars_r): ... here.
4192         * tree-flow.h (find_referenced_vars_in): Declare.
4193         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4194         that AVAIL_OUT exists for BLOCK.
4195         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4196         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4197         (tree-parloops.o): Likewise.
4198
4199 2009-04-17  Simon Baldwin  <simonb@google.com>
4200
4201         * toplev.c (default_tree_printer): Add handling for %E format.
4202
4203 2009-04-17  Diego Novillo  <dnovillo@google.com>
4204
4205         * tree-pretty-print.c (dump_generic_node): Add break after
4206         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4207         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4208         FUNCTION_TYPE together.  Call print_struct_decl when printing
4209         structures and TDF_SLIM is not given.
4210         (print_struct_decl): Fix logic for detecting recursion.
4211
4212 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4213
4214         PR 31567
4215         * gcc.c (create_at_file): New.
4216         (compile_input_file_p): New.
4217         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4218         * main.c (main): Update call to toplev_main.
4219         * toplev.c (toplev_main): Change signature. Call expandargv.
4220         * toplev.h (toplev_main): Change signature.
4221
4222 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4223
4224         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4225         if the latter is not constant.
4226
4227 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4228
4229         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4230
4231 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4232
4233         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4234         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4235
4236 2009-04-17  Richard Guenther  <rguenther@suse.de>
4237
4238         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4239         Handle component references view-converting an invariant address.
4240
4241 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4242
4243         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4244         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4245         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4246         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4247         Use @deftypevr rather than @deftypevar.
4248
4249 2009-04-17  Richard Guenther  <rguenther@suse.de>
4250
4251         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4252         (get_prop_source_stmt): Likewise.
4253         (can_propagate_from): Likewise.
4254
4255 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4256
4257         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4258         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4259         (--with-multilib-list): Add default value.
4260         * configure: Regenerate.
4261         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4262         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4263         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4264         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4265         Don't add default cpu to multilib list unnecessarily, but do enable
4266         the relevant compiler option..
4267         Add support for --with-multilib-list=<blank> and
4268         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4269         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4270         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4271         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4272         TM_MULTILIB_CONFIG.
4273         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4274         (MULTILIB_OSDIRNAMES): New variable.
4275         * config/sh/t-1e: Delete file.
4276         * config/sh/t-mlib-sh1: Delete file.
4277         * config/sh/t-mlib-sh2: Delete file.
4278         * config/sh/t-mlib-sh2a: Delete file.
4279         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4280         * config/sh/t-mlib-sh2a-single: Delete file.
4281         * config/sh/t-mlib-sh2a-single-only: Delete file.
4282         * config/sh/t-mlib-sh2e: Delete file.
4283         * config/sh/t-mlib-sh3e: Delete file.
4284         * config/sh/t-mlib-sh4: Delete file.
4285         * config/sh/t-mlib-sh4-nofpu: Delete file.
4286         * config/sh/t-mlib-sh4-single: Delete file.
4287         * config/sh/t-mlib-sh4-single-only: Delete file.
4288         * config/sh/t-mlib-sh4a: Delete file.
4289         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4290         * config/sh/t-mlib-sh4a-single: Delete file.
4291         * config/sh/t-mlib-sh4a-single-only: Delete file.
4292         * config/sh/t-mlib-sh4al: Delete file.
4293         * config/sh/t-mlib-sh5-32media: Delete file.
4294         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4295         * config/sh/t-mlib-sh5-64media: Delete file.
4296         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4297         * config/sh/t-mlib-sh5-compact: Delete file.
4298         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4299         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4300         * doc/install.texi (Options specification): Add
4301         --with-multilib-list and --with-endian.
4302
4303 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4304
4305         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4306         REVISION_c.
4307         (OBJS-common): Add plugin-version.o.
4308         (plugin-version.o): New.
4309         * gcc-plugin.h (plugin_gcc_version): New.
4310         (plugin_default_version_check): New.
4311         (plugin_init_func, plugin_init): Add version argument.
4312         * plugin-version.c: New.
4313         * plugin.c (str_plugin_gcc_version_name): New.
4314         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4315         pass it to the init function.
4316         (plugin_default_version_check): New.
4317
4318 2009-04-17  Richard Guenther  <rguenther@suse.de>
4319
4320         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4321         for decl-vs-decl disambiguation.
4322
4323 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4324
4325         * config/s390/s390.h (s390_tune_attr): New macro definition.
4326         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4327
4328 2009-04-17  Richard Guenther  <rguenther@suse.de>
4329
4330         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4331         (fold_stmt_r): Likewise.
4332         (maybe_fold_reference): New function.
4333         (fold_gimple_assign): Handle cases fold_stmt_r did.
4334         (fold_stmt): Do not use fold_stmt_r.
4335         (fold_stmt_inplace): Likewise.
4336
4337 2009-04-17  Richard Guenther  <rguenther@suse.de>
4338
4339         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4340         (record_equivalences_from_stmt): Remove useless checks and
4341         simplifications.
4342         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4343         the type is already suitable.
4344
4345 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4346
4347         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4348
4349 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4350
4351         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4352         (CMPtype): Define as __gcc_CMPtype.
4353
4354 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4355
4356         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4357         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4358
4359 2009-04-17  Richard Guenther  <rguenther@suse.de>
4360
4361         PR tree-optimization/39746
4362         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4363         special-casing for builtins and static variable use/def.
4364         (call_may_clobber_ref_p_1): Likewise.
4365
4366 2009-04-16  Ian Lance Taylor  <iant@google.com>
4367
4368         * df.h: Include "timevar.h".
4369         (struct df_problem): Change tv_id field to timevar_id_t.
4370         * tree-pass.h: Include "timevar.h".
4371         (struct opt_pass): Change tv_id field to timevar_id_t.
4372         * timevar.h (timevar_id_t): Define TV_NONE.
4373         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4374         TV_NONE rather than tv_id != 0.
4375         (execute_one_pass): Likewise.
4376         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4377         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4378         dependencies to $(TREE_PASS_H).
4379         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4380         to TV_NONE.
4381         (pass_branch_target_load_optimize2): Likewise.
4382         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4383         (pass_outof_cfg_layout_mode): Likewise.
4384         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4385         (pass_rebuild_cgraph_edges): Likewise.
4386         (pass_remove_cgraph_callee_edges): Likewise.
4387         * df-core.c (pass_df_initialize_opt): Likewise.
4388         (pass_df_initialize_no_opt): Likewise.
4389         (pass_df_finish): Likewise.
4390         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4391         * except.c (pass_set_nothrow_function_flags): Likewise.
4392         (pass_convert_to_eh_region_ranges): Likewise.
4393         * final.c (pass_compute_alignments): Likewise.
4394         * function.c (pass_instantiate_virtual_regs): Likewise.
4395         (pass_init_function): Likewise.
4396         (pass_leaf_regs): Likewise.
4397         (pass_match_asm_constraints): Likewise.
4398         * gimple-low.c (pass_lower_cf): Likewise.
4399         (pass_mark_used_blocks): Likewise.
4400         * init-regs.c (pass_initialize_regs): Likewise.
4401         * integrate.c (pass_initial_value_sets): Likewise.
4402         * ira.c (pass_ira): Likewise.
4403         * jump.c (pass_cleanup_barriers): Likewise.
4404         * omp-low.c (pass_expand_omp): Likewise.
4405         (pass_lower_omp): Likewise.
4406         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4407         * recog.c (pass_split_all_insns): Likewise.
4408         (pass_split_after_reload): Likewise.
4409         (pass_split_before_regstack): Likewise.
4410         (pass_split_before_sched2): Likewise.
4411         (pass_split_for_shorten_branches): Likewise.
4412         * reginfo.c (pass_reginfo_init): Likewise.
4413         (pass_subregs_of_mode_init): Likewise.
4414         (pass_subregs_of_mode_finish): Likewise.
4415         * passes.c (pass_postreload): Likewise.
4416         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4417         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4418         (pass_warn_function_return): Likewise.
4419         (pass_warn_function_noreturn): Likewise.
4420         * tree-complex.c (pass_lower_complex): Likewise.
4421         (pass_lower_complex_O0): Likewise.
4422         * tree-if-conv.c (pass_if_conversion): Likewise.
4423         * tree-into-ssa.c (pass_build_ssa): Likewise.
4424         * tree-mudflap.c (pass_mudflap_1): Likewise.
4425         (pass_mudflap_2): Likewise.
4426         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4427         (pass_mudflap_2): Likewise.
4428         * tree-nrv.c (pass_return_slot): Likewise.
4429         * tree-object-size.c (pass_object_sizes): Likewise.
4430         * tree-optimize.c (pass_all_optimizations): Likewise.
4431         (pass_early_local_passes): Likewise.
4432         (pass_all_early_optimizations): Likewise.
4433         (pass_cleanup_cfg): Likewise.
4434         (pass_cleanup_cfg_post_optimizing): Likewise.
4435         (pass_free_datastructures): Likewise.
4436         (pass_free_cfg_annotations): Likewise.
4437         (pass_fixup_cfg): Likewise.
4438         (pass_init_datastructures): Likewise.
4439         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4440         (pass_late_warn_uninitialized): Likewise.
4441         (pass_update_address_taken): Likewise.
4442         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4443         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4444         (pass_cse_sincos): Likewise.
4445         (pass_convert_to_rsqrt): Likewise.
4446         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4447         * tree-stdarg.c (pass_stdarg): Likewise.
4448         * tree-tailcall.c (pass_tail_recursion): Likewise.
4449         (pass_tail_calls): Likewise.
4450         * tree-vect-generic.c (pass_lower_vector): Likewise.
4451         (pass_lower_vector_ssa): Likewise.
4452         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4453
4454 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4455
4456         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4457         XLR entry.
4458         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4459         Handle -march=xlr.
4460         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4461         logical and signext.
4462
4463 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4464
4465         PR target/39767
4466         * config/sh/predicates.md (arith_operand): Check if the operand
4467         of TRUNCATE is a REG.
4468
4469 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4470
4471         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4472         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4473
4474 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4475
4476         * tree-iterator.c (tsi_split_statement_list_after,
4477         tsi_split_statement_list_before): Remove.
4478         * tree-iterator.h: Remove the prototypes for
4479         tsi_split_statement_list_after and tsi_split_statement_list_before.
4480
4481 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4482
4483         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4484         * tree-ssa-propagate.h: Remove the prototype for
4485         stmt_makes_single_load.
4486
4487 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4488
4489         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4490         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4491
4492 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4493
4494         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4495
4496 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4497
4498         * except.c (eh_region_outer_p): Remove.
4499         * except.h: Remove the prototype for eh_region_outer_p.
4500
4501 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4502
4503         * function.c (current_function_assembler_name): Remove.
4504         * function.h: Remove the prototype for
4505         current_function_assembler_name.
4506
4507 2009-04-16  Ian Lance Taylor  <iant@google.com>
4508
4509         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4510         (add_reg_note): Call alloc_reg_note.
4511         * rtl.h (alloc_reg_note): Declare.
4512         * combine.c (try_combine): Use alloc_reg_note.
4513         (recog_for_combine, move_deaths): Likewise.
4514         (distribute_notes): Use alloc_reg_note and add_reg_note.
4515         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4516         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4517         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4518
4519 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4520
4521         PR rtl-optimization/39762
4522         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4523         ira_may_move_out_cost): Add comments about way of their usage.
4524         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4525
4526         * ira-conflicts.c (process_regs_for_copy): Use function
4527         ira_get_register_move_cost instead of global
4528         ira_register_move_cost.
4529
4530         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4531         color_pass, move_spill_restore, update_curr_costs): Ditto.
4532
4533         * ira-lives.c (process_single_reg_class_operands): Ditto.
4534
4535         * ira-emit.c (emit_move_list): Ditto.
4536
4537         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4538         (record_reg_classes): Ditto.  Use functions
4539         ira_get_register_move_cost and ira_get_may_move_cost instead of
4540         global vars ira_register_move_cost, ira_may_move_out_cost and
4541         ira_may_move_in_cost.
4542         (record_address_regs): Don't call ira_init_register_move_cost.
4543         Use function ira_get_may_move_cost instead of global
4544         ira_may_move_in_cost.
4545         (process_bb_node_for_hard_reg_moves): Use function
4546         ira_get_register_move_cost instead of global ira_register_move_cost.
4547         (ira_costs): Don't call ira_init_register_move_cost.
4548
4549 2009-04-16  Richard Guenther  <rguenther@suse.de>
4550
4551         * tree-cfg.c (verify_gimple_assign_binary):
4552         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4553         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4554         (create_general_new_stmt): Note that this function is broken.
4555
4556 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4557
4558         * common.opt (fhelp): Add Var(help_flag).
4559         * gcc-plugin.h (plugin_info): Add help.
4560         * plugin.c (plugin_name_args): Add help.
4561         (register_plugin_info): Set plugin->help.
4562         (print_help_one_plugin): New.
4563         (print_plugins_help): New.
4564         * plugin.h (print_plugins_help): New.
4565         * toplev.c (toplev_main): Call print_plugins_help if needed.
4566
4567 2009-04-16  Richard Guenther  <rguenther@suse.de>
4568
4569         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4570         (gimple_ior_addresses_taken_1): New function.
4571         (gimple_ior_addresses_taken): Likewise.
4572         * gimple.h (struct gimple_statement_with_ops_base): Remove
4573         addresses_taken member.
4574         (gimple_ior_addresses_taken): Declare.
4575         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4576         gimple_set_addresses_taken): Remove.
4577         * ipa-reference.c (mark_address): New function.
4578         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4579         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4580         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4581         (gimple_add_to_addresses_taken): Remove.
4582         (get_tmr_operands): Call mark_address_taken.
4583         (get_asm_expr_operands): Likewise.
4584         (get_expr_operands): Likewise.
4585         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4586         (free_stmt_operands): Do not free it.
4587         * tree-ssa.c (delete_tree_ssa): Likewise.
4588         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4589
4590 2009-04-16  Richard Guenther  <rguenther@suse.de>
4591
4592         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4593         (walk_stmt_load_store_ops): Likewise.
4594         * gimple.c (get_base_loadstore): New function.
4595         (walk_stmt_load_store_addr_ops): Likewise.
4596         (walk_stmt_load_store_ops): Likewise.
4597         * ipa-pure-const.c (check_op): Simplify.
4598         (check_load, check_store): New functions.
4599         (check_stmt): Use walk_stmt_load_store_ops.
4600         * ipa-reference.c (mark_load): Adjust signature.
4601         (mark_store): Likewise.
4602         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4603
4604 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4605
4606         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4607         (plugin_info): New.
4608         * opts.c (common_handle_option): Don't call print_version.
4609         * plugin.c (plugin_name_args): Add version.
4610         (register_plugin_info): New.
4611         (register_callback): Handle PLUGIN_INFO.
4612         (try_init_one_plugin): New.
4613         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4614         if failed to init.
4615         (finalize_one_plugin): New.
4616         (finalize_plugins): New.
4617         (print_one_plugin): New.
4618         (print_plugins_versions): New.
4619         * plugin.h (print_plugins_versions): New.
4620         (finalize_plugins): New.
4621         * toplev.c (compile_file): Don't call initialize_plugins.
4622         (print_version): Call print_plugins_versions.
4623         (toplev_main): Call initialize_plugins. Print version if needed.
4624         Call finalize_plugins.
4625
4626 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4627
4628         * common.opt (fversion): New.
4629         * gcc.c (print_version): New.
4630         (process_command): Don't print the version. Just set print_version.
4631         (main): Print version. Call subprocesses if print_version and
4632         verbose_flag are set.
4633         * opts.c (common_handle_option): Handle OPT_fversion.
4634
4635 2009-04-16  Richard Guenther  <rguenther@suse.de>
4636             Ira Rosen  <irar@il.ibm.com>
4637
4638         PR tree-optimization/39698
4639         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4640         type of the reduction variable.  Only generate the def if
4641         it is needed.
4642
4643         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4644         make sure to first convert to an integer of the same precision.
4645         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4646         the type of the evolution correctly in computing the new
4647         induction variable base.
4648
4649 2009-04-16  Richard Guenther  <rguenther@suse.de>
4650
4651         PR middle-end/39625
4652         * tree-cfg.c (make_blocks): Split statements with to-be
4653         abnormal SSA names on the lhs.
4654
4655 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4656
4657         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4658         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4659         * c-typeck.c (really_start_incremental_init): Likewise.
4660         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4661         (TARGET_INITIALIZER): Remove it.
4662         * target.h (struct target): Remove vector_opaque_p.
4663         * tree.c (build_opaque_vector_type): New.
4664         * tree.h (TYPE_VECTOR_OPAQUE): New.
4665         (build_opaque_vector_type): Declare.
4666         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4667         * config/rs6000/rs6000.c (build_opaque_vector_type,
4668         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4669         (rs6000_init_builtins): Use build_opaque_vector_type for
4670         opaque_V4SI_type_node.
4671
4672 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4673
4674         * debug.h (set_name):  Declare.
4675         * dwarf2out.c (dwarf2out_set_name): Declare.
4676         (dwarf2_debug_hooks): Add set_name.
4677         (find_AT_string): New.
4678         (add_AT_string): Call find_AT_string.
4679         (dwarf2out_set_name): New.
4680         * cp/decl.c (grokdeclarator): Call set_name.
4681         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4682         * debug.c (do_nothing_debug_hooks):  Likewise.
4683         * dbxout.c (dbx_debug_hooks): Likewise.
4684         * sdbout.c (sdb_debug_hooks): Likewise.
4685
4686 2009-04-15  Michael Eager  <eager@eagercon.com>
4687
4688         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4689         reg for single-precision FPU.
4690         * config/rs6000/rs6000.md (movsi_internal1): Only for
4691         !TARGET_SINGLE_FPU.
4692         (movsi_internal1_single): New. Add pattern to move SI values to/from
4693         single-precision FP regs.
4694
4695 2009-04-15  Richard Guenther  <rguenther@suse.de>
4696
4697         * omp-low.c (lower_rec_input_clauses): Build correct address
4698         expressions.
4699         (expand_omp_for_generic): Fix multiplication type.
4700         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4701         (generate_memset_zero): Fix types.
4702         * tree-profile.c (prepare_instrumented_value): Correctly
4703         widen a pointer.
4704
4705 2009-04-15  Ian Lance Taylor  <iant@google.com>
4706
4707         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4708         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4709         for -Wall and for -Wc++-compat.
4710         (c_common_post_options): For C++, set warn_enum_compare if not
4711         already set.
4712         * c-tree.h (struct c_expr): Add field original_type.
4713         (build_external_ref): Update declaration.
4714         * c-parser.c (c_parser_braced_init): Set original_type.
4715         (c_parser_initelt): Likewise.
4716         (c_parser_expr_no_commas): Likewise.
4717         (c_parser_conditional_expression): Likewise.
4718         (c_parser_cast_expression): Likewise.
4719         (c_parser_unary_expression): Likewise.  Pull setting of
4720         original_code to top of function.
4721         (c_parser_sizeof_expression): Set original_type.
4722         (c_parser_alignof_expression): Likewise.
4723         (c_parser_postfix_expression): Likewise.  Pull setting of
4724         original_code to top of function.
4725         (c_parser_postfix_expression_after_paren_type): Set original_type.
4726         (c_parser_postfix_expression_after_primary): Likewise.
4727         (c_parser_expression): Likewise.
4728         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4729         callers.
4730         (c_expr_sizeof_expr): Set original_type field.
4731         (parser_build_unary_op): Likewise.
4732         (parser_build_binary_op): Likewise.  Optionally warn about
4733         comparisons of enums of different types.
4734         (digest_init): Set original_type field.
4735         (really_start_incremental_init): Likewise.
4736         (push_init_level, pop_init_level): Likewise.
4737         * doc/invoke.texi (Warning Options): -Wenum-compare now
4738         supported in C.
4739
4740 2009-04-15  Richard Guenther  <rguenther@suse.de>
4741
4742         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4743         out a necessary conversion.
4744         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4745         names we didn't value number.
4746         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4747
4748 2009-04-15  Richard Guenther  <rguenther@suse.de>
4749
4750         PR tree-optimization/39764
4751         * tree-ssa-ccp.c (get_value): Canonicalize value with
4752         canonicalize_float_value.
4753
4754 2009-04-15  Jan Hubicka  <jh@suse.cz>
4755
4756         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4757         Wrong version of patch.
4758
4759 2009-04-15  Jan Hubicka  <jh@suse.cz>
4760
4761         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4762
4763 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4764
4765         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4766         our distinct integral and vector types.
4767
4768 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4769
4770         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4771         * init.c (build_vtbl_address): Remove call to assemble_external.
4772
4773 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4774
4775         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4776         output for other floating point modes.
4777
4778 2009-04-14  Diego Novillo  <dnovillo@google.com>
4779
4780         * diagnostic.c (diagnostic_report_diagnostic): Do not
4781         warn about loaded plugins for DK_ERROR and DK_WARNING.
4782         * c-decl.c (declspecs_add_type): Move call to
4783         invoke_plugin_callbacks ...
4784         * c-parser.c (c_parser_declspecs): ... here.
4785         * plugin.c (dump_active_plugins): Tidy output.
4786
4787 2009-04-14  Diego Novillo  <dnovillo@google.com>
4788             Le-Chun Wu  <lcwu@google.com>
4789
4790         * configure.ac: Add --enable-plugin support.
4791         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4792         * Makefile.in (PLUGIN_H): Define.
4793         Export ENABLE_PLUGIN and GMPINC to site.exp.
4794         Add PLUGINLIBS to link command.
4795         Add/modify dependencies for plugin.o and files including plugin.h.
4796         (plugin.o): New.
4797         * config.in: Regenerate.
4798
4799         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4800         OPT_fplugin_arg_.
4801
4802 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4803
4804         * tree-pass.h (register_one_dump_file): Add a prototype for
4805         register_one_dump_file.
4806         * toplev.c (compile_file): Call initialize_plugins.
4807         (do_compile): Call invoke_plugin_callbacks.
4808         (toplev_main): Call invoke_plugin_callbacks.
4809         * common.opt: Add -fplugin= and -fplugin-arg-.
4810         * gcc-plugin.h: New public header file for plugins to include.
4811         * plugin.c: New source file.
4812         * plugin.h: New internal header file.
4813         * passes.c (register_one_dump_file): Make it external.
4814
4815         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4816
4817 2009-04-14  Diego Novillo  <dnovillo@google.com>
4818
4819         * doc/plugins.texi: New.
4820         * doc/gccint.texi: Add reference to Plugins chapter.
4821         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4822         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4823         loaded plugins, if any.
4824         * timevar.def (TV_PLUGIN_INIT): Define.
4825         (TV_PLUGIN_RUN): Define.
4826         * plugin.c: Include timevar.h
4827         (plugins_active_p): New.
4828         (dump_active_plugins): New.
4829         (debug_active_plugins): New.
4830
4831 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4832
4833         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4834         library paths.
4835         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4836
4837 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4838
4839         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4840         the same as a minus without a shift.
4841
4842 2009-04-14  Nick Clifton  <nickc@redhat.com>
4843
4844         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4845         comparisons with small integers will always produce a short
4846         branch.
4847
4848 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4849
4850         Merge:
4851         2008-12-19  Diego Novillo  <dnovillo@google.com>
4852
4853         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4854
4855 2009-04-14  Richard Guenther  <rguenther@suse.de>
4856
4857         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4858         verification.
4859         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4860         rotates correctly.
4861         (verify_gimple_phi): Print the mismatched argument position.
4862         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4863         Fix types.
4864         (vect_update_init_of_dr): Likewise.
4865         * matrix-reorg.c (transform_access_sites): Do what the
4866         comment suggests.
4867         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4868
4869 2009-04-13  Michael Eager  <eager@eagercon.com>
4870
4871         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4872         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4873         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4874         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4875         remove duplicate config
4876
4877 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4878
4879         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4880         file_name:line_number type locator of the call site.
4881
4882 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4883
4884         * genautomata.c: Put blank after comma.
4885         (automaton_decls): New.
4886         (struct unit_usage): Add comments to member next.
4887         (store_alt_unit_usage): Keep the list ordered.
4888         (unit_present_on_list_p, equal_alternatives_p): New.
4889         (check_regexp_units_distribution): Check units distribution
4890         correctness correctly.
4891         (main): Don't write automata if error is found.  Return correct
4892         exit code.
4893
4894         * config/m68k/cf.md (cfv4_ds): Remove.
4895         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4896         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4897
4898         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4899         power4-load-ext, power4-store, power4-store-update,
4900         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4901         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4902         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4903         power4-sqrt, power4-isync): Modify reservation to make correct
4904         unit distribution to automata.
4905
4906         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4907         power5-store-update, power5-two, power5-three, power5-lmul,
4908         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4909
4910 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4911
4912         * except.c (pass_set_nothrow_function_flags): Set name and add
4913         TODO_dump_func.
4914         (set_nothrow_function_flags): Mention in the dump file when
4915         changing a function to nothrow.
4916
4917 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4918
4919         PR/39066
4920         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4921         instead of unsigned long.
4922
4923 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4924
4925         * config/arm/arm.c (return_used_this_function): Remove.
4926         (arm_output_function_prologue): Remove use of
4927         return_used_this_function.
4928         (output_return_instruction): Replace use of
4929         return_used_this_function
4930         by cfun->machine->return_used_this_function.
4931         (arm_output_epilogue): Likewise.
4932         (arm_output_function_epilogue): Likewise.
4933         (thumb_unexpanded_epilogue): Likewise.
4934         * config/arm/arm.h (struct machine_function):
4935         New member return_used_this_function.
4936
4937 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4938
4939         * doc/install.texi: Correct description of default directory for
4940         --with-gxx-include-dir.
4941
4942 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4943
4944         * fold-const.c (build_range_check): Properly deal with enumeral and
4945         boolean base types.
4946
4947 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4948
4949         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4950         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4951         * params.h (MAX_GCSE_PASSES): Remove.
4952         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4953         in sequence.  Remove ability to run multiple passes.
4954         (bypass_jumps): Report run as third CPROP pass.
4955
4956 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4957
4958         PR middle-end/39651
4959         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4960         when deciding whether the whole SEQUENCE can throw.
4961
4962 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4963
4964         PR target/39740
4965         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4966         offseted label references.
4967
4968 2009-04-11  Jan Hubicka  <jh@suse.cz>
4969
4970         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4971
4972 2009-04-11  Richard Guenther  <rguenther@suse.de>
4973
4974         PR middle-end/39732
4975         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4976         return variables as TREE_ADDRESSABLE.
4977
4978 2009-04-11  Richard Guenther  <rguenther@suse.de>
4979
4980         PR tree-optimization/39713
4981         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4982         reference trees have SSA_NAME operands.
4983
4984 2009-04-11  Richard Guenther  <rguenther@suse.de>
4985
4986         PR c/39712
4987         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4988         address expressions.
4989
4990 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4991
4992         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4993         match changes in Cygwin 1.7
4994         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
4995         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
4996
4997 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
4998
4999         PR tree-optimization/39701
5000         * doc/invoke.texi (Optimization Options): Document change in
5001         meaning and initialization of -fdelete-null-pointer-checks.
5002
5003 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5004
5005         PR middle-end/39701
5006         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5007
5008         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5009         here.
5010
5011         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5012
5013 2009-04-10  Chao-ying Fu  <fu@mips.com>
5014
5015         * doc/tm.texi (Instruction Output): Document
5016         TARGET_ASM_FINAL_POSTSCAN_INSN.
5017         * target.h (final_postscan_insn): New field in asm_out.
5018         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5019         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5020         * final.c (final_scan_insn): Call
5021         targetm.asm_out.final_postscan_insn after outputting
5022         an asm macro and a normal instruction.
5023
5024         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5025         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5026         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5027         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5028         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5029
5030 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5031
5032         PR middle-end/39701
5033         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5034         variables as non-NULL even with -fdelete-null-pointer-checks.
5035
5036 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5037
5038         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5039
5040 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5041
5042         PR target/39678
5043         * config/i386/i386.c (classify_argument): Handle SCmode with
5044         (bit_offset % 64) != 0.
5045
5046 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5047
5048         * doc/invoke.texi (Optimize Options): Add cross-reference to
5049         -Q --help=optimizers examples.
5050
5051 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5052
5053         PR target/36800
5054         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5055         regalign for the reg == fpr and TDmode case.
5056
5057 2009-04-09  David Ayers  <ayers@fsfe.org>
5058
5059         PR objc/29200
5060         * objc/objc-act.c (warn_with_method): Remove helper function.
5061         (check_duplicates): Call warning and inform directly.
5062         (really_start_method): Likewise.
5063
5064 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5065
5066         * expmed.c (expand_divmod): Always use a comparison for a division
5067         by a large unsigned integer.
5068
5069         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5070         for things others than variables or functions as nonzero.
5071
5072 2009-04-09  Nick Clifton  <nickc@redhat.com>
5073
5074         * unwind-compat.c: Change copyright header to refer to version
5075         3 of the GNU General Public License with version 3.1 of the
5076         GCC Runtime Library Exception and to point readers at the
5077         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5078         * config/alpha/crtfastmath.c: Likewise.
5079         * config/alpha/linux-unwind.h: Likewise.
5080         * config/alpha/qrnnd.asm: Likewise.
5081         * config/alpha/vms-crt0-64.c: Likewise.
5082         * config/alpha/vms-crt0.c: Likewise.
5083         * config/alpha/vms-dwarf2.asm: Likewise.
5084         * config/alpha/vms-dwarf2eh.asm: Likewise.
5085         * config/alpha/vms-psxcrt0-64.c: Likewise.
5086         * config/alpha/vms-psxcrt0.c: Likewise.
5087         * config/alpha/vms_tramp.asm: Likewise.
5088         * config/arc/initfini.c: Likewise.
5089         * config/arc/lib1funcs.asm: Likewise.
5090         * config/arm/bpabi-v6m.S: Likewise.
5091         * config/arm/bpabi.S: Likewise.
5092         * config/arm/bpabi.c: Likewise.
5093         * config/arm/crti.asm: Likewise.
5094         * config/arm/crtn.asm: Likewise.
5095         * config/arm/ieee754-df.S: Likewise.
5096         * config/arm/ieee754-sf.S: Likewise.
5097         * config/arm/lib1funcs.asm: Likewise.
5098         * config/arm/libunwind.S: Likewise.
5099         * config/arm/linux-atomic.c: Likewise.
5100         * config/arm/mmintrin.h: Likewise.
5101         * config/arm/pr-support.c: Likewise.
5102         * config/arm/unaligned-funcs.c: Likewise.
5103         * config/arm/unwind-arm.c: Likewise.
5104         * config/arm/unwind-arm.h: Likewise.
5105         * config/avr/libgcc.S: Likewise.
5106         * config/bfin/crti.s: Likewise.
5107         * config/bfin/crtlibid.s: Likewise.
5108         * config/bfin/crtn.s: Likewise.
5109         * config/bfin/lib1funcs.asm: Likewise.
5110         * config/bfin/linux-unwind.h: Likewise.
5111         * config/cris/arit.c: Likewise.
5112         * config/cris/cris_abi_symbol.c: Likewise.
5113         * config/darwin-64.c: Likewise.
5114         * config/darwin-crt2.c: Likewise.
5115         * config/darwin-crt3.c: Likewise.
5116         * config/darwin.h: Likewise.
5117         * config/dbxelf.h: Likewise.
5118         * config/dfp-bit.c: Likewise.
5119         * config/dfp-bit.h: Likewise.
5120         * config/elfos.h: Likewise.
5121         * config/fixed-bit.c: Likewise.
5122         * config/fixed-bit.h: Likewise.
5123         * config/fp-bit.c: Likewise.
5124         * config/fp-bit.h: Likewise.
5125         * config/fr30/crti.asm: Likewise.
5126         * config/fr30/crtn.asm: Likewise.
5127         * config/fr30/lib1funcs.asm: Likewise.
5128         * config/freebsd-spec.h: Likewise.
5129         * config/frv/cmovd.c: Likewise.
5130         * config/frv/cmovh.c: Likewise.
5131         * config/frv/cmovw.c: Likewise.
5132         * config/frv/frvbegin.c: Likewise.
5133         * config/frv/frvend.c: Likewise.
5134         * config/frv/lib1funcs.asm: Likewise.
5135         * config/glibc-stdint.h: Likewise.
5136         * config/h8300/clzhi2.c: Likewise.
5137         * config/h8300/crti.asm: Likewise.
5138         * config/h8300/crtn.asm: Likewise.
5139         * config/h8300/ctzhi2.c: Likewise.
5140         * config/h8300/fixunssfsi.c: Likewise.
5141         * config/h8300/lib1funcs.asm: Likewise.
5142         * config/h8300/parityhi2.c: Likewise.
5143         * config/h8300/popcounthi2.c: Likewise.
5144         * config/i386/ammintrin.h: Likewise.
5145         * config/i386/att.h: Likewise.
5146         * config/i386/avxintrin.h: Likewise.
5147         * config/i386/biarch64.h: Likewise.
5148         * config/i386/bmmintrin.h: Likewise.
5149         * config/i386/cpuid.h: Likewise.
5150         * config/i386/cross-stdarg.h: Likewise.
5151         * config/i386/crtfastmath.c: Likewise.
5152         * config/i386/crtprec.c: Likewise.
5153         * config/i386/cygming-crtbegin.c: Likewise.
5154         * config/i386/cygming-crtend.c: Likewise.
5155         * config/i386/cygwin.asm: Likewise.
5156         * config/i386/emmintrin.h: Likewise.
5157         * config/i386/gmm_malloc.h: Likewise.
5158         * config/i386/gthr-win32.c: Likewise.
5159         * config/i386/i386.h: Likewise.
5160         * config/i386/immintrin.h: Likewise.
5161         * config/i386/linux-unwind.h: Likewise.
5162         * config/i386/linux64.h: Likewise.
5163         * config/i386/mm3dnow.h: Likewise.
5164         * config/i386/mmintrin-common.h: Likewise.
5165         * config/i386/mmintrin.h: Likewise.
5166         * config/i386/nmmintrin.h: Likewise.
5167         * config/i386/pmm_malloc.h: Likewise.
5168         * config/i386/pmmintrin.h: Likewise.
5169         * config/i386/smmintrin.h: Likewise.
5170         * config/i386/sol2-c1.asm: Likewise.
5171         * config/i386/sol2-ci.asm: Likewise.
5172         * config/i386/sol2-cn.asm: Likewise.
5173         * config/i386/sol2-gc1.asm: Likewise.
5174         * config/i386/tmmintrin.h: Likewise.
5175         * config/i386/unix.h: Likewise.
5176         * config/i386/w32-unwind.h: Likewise.
5177         * config/i386/wmmintrin.h: Likewise.
5178         * config/i386/x86-64.h: Likewise.
5179         * config/i386/x86intrin.h: Likewise.
5180         * config/i386/xmmintrin.h: Likewise.
5181         * config/ia64/crtbegin.asm: Likewise.
5182         * config/ia64/crtend.asm: Likewise.
5183         * config/ia64/crtfastmath.c: Likewise.
5184         * config/ia64/crti.asm: Likewise.
5185         * config/ia64/crtn.asm: Likewise.
5186         * config/ia64/fde-glibc.c: Likewise.
5187         * config/ia64/lib1funcs.asm: Likewise.
5188         * config/ia64/linux-unwind.h: Likewise.
5189         * config/ia64/quadlib.c: Likewise.
5190         * config/ia64/unwind-ia64.c: Likewise.
5191         * config/linux.h: Likewise.
5192         * config/m32c/m32c-lib1.S: Likewise.
5193         * config/m32c/m32c-lib2-trapv.c: Likewise.
5194         * config/m32c/m32c-lib2.c: Likewise.
5195         * config/m32r/initfini.c: Likewise.
5196         * config/m68hc11/larith.asm: Likewise.
5197         * config/m68hc11/m68hc11-crt0.S: Likewise.
5198         * config/m68k/cf.md: Likewise.
5199         * config/m68k/crti.s: Likewise.
5200         * config/m68k/crtn.s: Likewise.
5201         * config/m68k/lb1sf68.asm: Likewise.
5202         * config/m68k/linux-unwind.h: Likewise.
5203         * config/mcore/crti.asm: Likewise.
5204         * config/mcore/crtn.asm: Likewise.
5205         * config/mcore/lib1.asm: Likewise.
5206         * config/mips/linux-unwind.h: Likewise.
5207         * config/mips/loongson.h: Likewise.
5208         * config/mips/mips16.S: Likewise.
5209         * config/mmix/crti.asm: Likewise.
5210         * config/mmix/crtn.asm: Likewise.
5211         * config/pa/fptr.c: Likewise.
5212         * config/pa/hpux-unwind.h: Likewise.
5213         * config/pa/lib2funcs.asm: Likewise.
5214         * config/pa/linux-atomic.c: Likewise.
5215         * config/pa/linux-unwind.h: Likewise.
5216         * config/pa/milli64.S: Likewise.
5217         * config/pa/quadlib.c: Likewise.
5218         * config/pa/stublib.c: Likewise.
5219         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5220         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5221         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5222         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5223         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5224         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5225         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5226         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5227         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5228         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5229         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5230         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5231         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5232         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5233         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5234         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5235         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5236         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5237         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5238         * config/rs6000/750cl.h: Likewise.
5239         * config/rs6000/altivec.h: Likewise.
5240         * config/rs6000/biarch64.h: Likewise.
5241         * config/rs6000/crtresfpr.asm: Likewise.
5242         * config/rs6000/crtresgpr.asm: Likewise.
5243         * config/rs6000/crtresxfpr.asm: Likewise.
5244         * config/rs6000/crtresxgpr.asm: Likewise.
5245         * config/rs6000/crtsavfpr.asm: Likewise.
5246         * config/rs6000/crtsavgpr.asm: Likewise.
5247         * config/rs6000/darwin-asm.h: Likewise.
5248         * config/rs6000/darwin-fallback.c: Likewise.
5249         * config/rs6000/darwin-fpsave.asm: Likewise.
5250         * config/rs6000/darwin-ldouble.c: Likewise.
5251         * config/rs6000/darwin-tramp.asm: Likewise.
5252         * config/rs6000/darwin-unwind.h: Likewise.
5253         * config/rs6000/darwin-vecsave.asm: Likewise.
5254         * config/rs6000/darwin-world.asm: Likewise.
5255         * config/rs6000/e500crtres32gpr.asm: Likewise.
5256         * config/rs6000/e500crtres64gpr.asm: Likewise.
5257         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5258         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5259         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5260         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5261         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5262         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5263         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5264         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5265         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5266         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5267         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5268         * config/rs6000/eabi-ci.asm: Likewise.
5269         * config/rs6000/eabi-cn.asm: Likewise.
5270         * config/rs6000/eabi.asm: Likewise.
5271         * config/rs6000/linux-unwind.h: Likewise.
5272         * config/rs6000/linux64.h: Likewise.
5273         * config/rs6000/paired.h: Likewise.
5274         * config/rs6000/paired.md: Likewise.
5275         * config/rs6000/ppc64-fp.c: Likewise.
5276         * config/rs6000/ppu_intrinsics.h: Likewise.
5277         * config/rs6000/rs6000.h: Likewise.
5278         * config/rs6000/si2vmx.h: Likewise.
5279         * config/rs6000/sol-ci.asm: Likewise.
5280         * config/rs6000/sol-cn.asm: Likewise.
5281         * config/rs6000/spe.h: Likewise.
5282         * config/rs6000/spu2vmx.h: Likewise.
5283         * config/rs6000/sysv4.h: Likewise.
5284         * config/rs6000/tramp.asm: Likewise.
5285         * config/rs6000/vec_types.h: Likewise.
5286         * config/s390/linux-unwind.h: Likewise.
5287         * config/s390/tpf-unwind.h: Likewise.
5288         * config/score/crti.asm: Likewise.
5289         * config/score/crtn.asm: Likewise.
5290         * config/sh/crt1.asm: Likewise.
5291         * config/sh/crti.asm: Likewise.
5292         * config/sh/crtn.asm: Likewise.
5293         * config/sh/divtab-sh4-300.c: Likewise.
5294         * config/sh/divtab-sh4.c: Likewise.
5295         * config/sh/divtab.c: Likewise.
5296         * config/sh/lib1funcs-4-300.asm: Likewise.
5297         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5298         * config/sh/lib1funcs.asm: Likewise.
5299         * config/sh/lib1funcs.h: Likewise.
5300         * config/sh/linux-atomic.asm: Likewise.
5301         * config/sh/linux-unwind.h: Likewise.
5302         * config/sh/shmedia.h: Likewise.
5303         * config/sh/sshmedia.h: Likewise.
5304         * config/sh/ushmedia.h: Likewise.
5305         * config/sparc/crtfastmath.c: Likewise.
5306         * config/sparc/linux-unwind.h: Likewise.
5307         * config/sparc/sol2-c1.asm: Likewise.
5308         * config/sparc/sol2-ci.asm: Likewise.
5309         * config/sparc/sol2-cn.asm: Likewise.
5310         * config/spu/divmodti4.c: Likewise.
5311         * config/spu/divv2df3.c: Likewise.
5312         * config/spu/float_disf.c: Likewise.
5313         * config/spu/float_unsdidf.c: Likewise.
5314         * config/spu/float_unsdisf.c: Likewise.
5315         * config/spu/float_unssidf.c: Likewise.
5316         * config/spu/mfc_multi_tag_release.c: Likewise.
5317         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5318         * config/spu/mfc_tag_release.c: Likewise.
5319         * config/spu/mfc_tag_reserve.c: Likewise.
5320         * config/spu/mfc_tag_table.c: Likewise.
5321         * config/spu/multi3.c: Likewise.
5322         * config/spu/spu_internals.h: Likewise.
5323         * config/spu/spu_intrinsics.h: Likewise.
5324         * config/spu/spu_mfcio.h: Likewise.
5325         * config/spu/vec_types.h: Likewise.
5326         * config/spu/vmx2spu.h: Likewise.
5327         * config/stormy16/stormy16-lib2.c: Likewise.
5328         * config/svr4.h: Likewise.
5329         * config/sync.c: Likewise.
5330         * config/v850/lib1funcs.asm: Likewise.
5331         * config/vxlib-tls.c: Likewise.
5332         * config/vxlib.c: Likewise.
5333         * config/vxworks-dummy.h: Likewise.
5334         * config/xtensa/crti.asm: Likewise.
5335         * config/xtensa/crtn.asm: Likewise.
5336         * config/xtensa/ieee754-df.S: Likewise.
5337         * config/xtensa/ieee754-sf.S: Likewise.
5338         * config/xtensa/lib1funcs.asm: Likewise.
5339         * config/xtensa/lib2funcs.S: Likewise.
5340         * config/xtensa/linux-unwind.h: Likewise.
5341         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5342         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5343         * coretypes.h: Likewise.
5344         * crtstuff.c: Likewise.
5345         * defaults.h: Likewise.
5346         * dwarf2.h: Likewise.
5347         * emutls.c: Likewise.
5348         * gbl-ctors.h: Likewise.
5349         * gcov-io.h: Likewise.
5350         * ginclude/float.h: Likewise.
5351         * ginclude/iso646.h: Likewise.
5352         * ginclude/stdarg.h: Likewise.
5353         * ginclude/stdbool.h: Likewise.
5354         * ginclude/stddef.h: Likewise.
5355         * ginclude/stdfix.h: Likewise.
5356         * ginclude/stdint-gcc.h: Likewise.
5357         * ginclude/tgmath.h: Likewise.
5358         * gthr-aix.h: Likewise.
5359         * gthr-dce.h: Likewise.
5360         * gthr-gnat.c: Likewise.
5361         * gthr-gnat.h: Likewise.
5362         * gthr-lynx.h: Likewise.
5363         * gthr-mipssde.h: Likewise.
5364         * gthr-nks.h: Likewise.
5365         * gthr-posix.c: Likewise.
5366         * gthr-posix.h: Likewise.
5367         * gthr-posix95.h: Likewise.
5368         * gthr-rtems.h: Likewise.
5369         * gthr-single.h: Likewise.
5370         * gthr-solaris.h: Likewise.
5371         * gthr-tpf.h: Likewise.
5372         * gthr-vxworks.h: Likewise.
5373         * gthr-win32.h: Likewise.
5374         * gthr.h: Likewise.
5375         * libgcc2.c: Likewise.
5376         * libgcc2.h: Likewise.
5377         * libgcov.c: Likewise.
5378         * tsystem.h: Likewise.
5379         * typeclass.h: Likewise.
5380         * unwind-c.c: Likewise.
5381         * unwind-compat.h: Likewise.
5382         * unwind-dw2-fde-compat.c: Likewise.
5383         * unwind-dw2-fde-darwin.c: Likewise.
5384         * unwind-dw2-fde-glibc.c: Likewise.
5385         * unwind-dw2-fde.c: Likewise.
5386         * unwind-dw2-fde.h: Likewise.
5387         * unwind-dw2.c: Likewise.
5388         * unwind-dw2.h: Likewise.
5389         * unwind-generic.h: Likewise.
5390         * unwind-pe.h: Likewise.
5391         * unwind-sjlj.c: Likewise.
5392         * unwind.inc: Likewise.
5393         * config/arm/neon-gen.ml: Change generated copyright header to
5394         refer to version 3 of the GNU General Public License with
5395         version 3.1 of the GCC Runtime Library Exception and to point
5396         readers at the COPYING3 and COPYING3.RUNTIME files and the
5397         FSF's license web page.
5398         * config/arm/arm_neon.h: Regenerate.
5399
5400 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5401
5402         * config/cris/cris.md: Change copyright header to refer to version
5403         3 of the GNU General Public License.
5404         * doc/install.texi2html: Change copyright header to refer to version
5405         3 of the GNU General Public License and to point readers at the
5406         COPYING3 file and the FSF's license web page.
5407         * config/vax/linux.h: Likewise.
5408
5409 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5410
5411         * config/i386/i386.md (cmpcc): New.
5412         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5413         (sync_compare_and_swap_cc*): Delete.
5414
5415         * config/s390/s390.c (s390_compare_emitted): Remove.
5416         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5417         s390_compare_emitted used to be handled.  Assert that modes match.
5418         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5419         refer to sync_compare_and_swap_ccsi.
5420         * config/s390/s390.h (s390_compare_emitted): Remove.
5421         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5422         instead of s390_compare_emitted.
5423         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5424         instead of s390_compare_emitted.
5425         * config/s390/s390.md (cmpcc): New.
5426         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5427         CC_REGNUM, do not pretend it's set.
5428         (sync_compare_and_swap_cc*): Delete.
5429         * config/s390/predicates.md (cc_reg_operand): New.
5430
5431         * expr.c (sync_compare_and_swap_cc): Delete.
5432         * optabs.h (sync_compare_and_swap_cc): Delete.
5433         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5434         is being used with can_compare_p.
5435         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5436         (find_cc_set): New.
5437         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5438         look for a MODE_CC set instead.  Use emit_store_flag.
5439         (expand_compare_and_swap_loop): Likewise, with some additional
5440         complication to avoid a force_reg when useless.  Use
5441         emit_cmp_and_jump_insns.
5442         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5443         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5444         sync_compare_and_swap documentation.
5445
5446 2009-04-09  Jan Hubicka  <jh@suse.cz>
5447
5448         * except.c (find_prev_try): Break out from ....
5449         (duplicate_eh_regions): ... here; properly update prev_try pointers
5450         when duplication part of tree.
5451         (dump_eh_tree): Improve dumping.
5452         (verify_eh_region): New.
5453         (verify_eh_tree): Use it.
5454
5455 2009-04-06  Richard Guenther  <rguenther@suse.de>
5456
5457         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5458         &ARRAY addresses by adjusting their types and prepending
5459         a conversion.
5460         * tree-cfg.c (verify_gimple_assign_single): Verify that
5461         addresses are correct.
5462
5463 2009-04-09  Richard Guenther  <rguenther@suse.de>
5464
5465         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5466         indices into an array reference if possible.
5467         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5468         Fold POINTER_PLUS_EXPR statements with invariant address.
5469
5470 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5471
5472         PR target/39634
5473         * config.gcc (powerpc64-*-linux*): Always build biarch.
5474
5475 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5476
5477         PR c/39613
5478         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5479         it and pedwarn if this results in an INTEGER_CST.
5480
5481 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5482
5483         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5484         text in MPFR section.
5485
5486 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5487
5488         * dwarf2out.c (class_scope_p): New static inline.
5489         (class_or_namespace_scope_p): Use it.
5490         (gen_variable_die): Use DW_TAG_member tag for static data member
5491         declarations instead of DW_TAG_variable.
5492
5493         PR middle-end/39573
5494         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5495         variables.
5496
5497 2009-04-08  Richard Guenther  <rguenther@suse.de>
5498
5499         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5500         valueize random data.
5501
5502 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5503
5504         * config.gcc (aix tm_file):  Add aix-stdint.h.
5505         (aix tm clause use_gcc_stdint):  Set to wrap.
5506         * config/rs6000/aix-stdint.h:  New file.
5507
5508 2009-04-08  Richard Guenther  <rguenther@suse.de>
5509
5510         PR middle-end/36291
5511         * tree-dfa.c (add_referenced_var): Do not recurse into
5512         global initializers.
5513         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5514         exposed variables.
5515         (fold_const_aggregate_ref): Likewise.
5516
5517 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5518
5519         * recog.c (ordered_comparison_operator): New.
5520         * gensupport.c (std_preds): Add it.
5521         * doc/md.texi (Machine-Independent Predicates): Document it.
5522
5523 2009-04-08  Jan Hubicka  <jh@suse.cz>
5524
5525         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5526         * function.h (rtl_eh): Remove exception_handler_label_map.
5527         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5528         remove_exception_handler_label, for_each_eh_label_1): Remove.
5529         (rtl_remove_unreachable_regions): Remove.
5530         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5531         (find_exception_handler_labels): Don't build the hashtable.
5532         (maybe_remove_eh_handler): Remove.
5533         (for_each_eh_label): Rewrite to walk the tree.
5534         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5535         * except.h (maybe_remove_eh_handler): Remove.
5536         * passes.c (init_optimization_passes): Schedule second EH cleanup
5537         before out-of-ssa.
5538         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5539         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5540
5541 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5542
5543         * genoutput.c (validate_optab_operands): New.
5544         (gen_insn, gen_expand): Call it.
5545
5546         * genflags.c (gen_insn): Detect misused iterators.
5547         (main): Pass line_no to gen_insn, exit with status 1 on error.
5548
5549         * genextract.c (line_no): Make global.
5550         (VEC_safe_set_locstr): Change assertion to error message.
5551         (main): Exit with status 1 on error.
5552
5553 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5554
5555         PR c/39614
5556         PR c/39673
5557         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5558         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5559         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5560         * c-convert.c (convert): Do not call fold on results of conversion
5561         functions when the result is a C_MAYBE_CONST_EXPR.
5562         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5563         of __builtin_choose_expr.
5564         * c-typeck.c (remove_c_maybe_const_expr): New.
5565         (build_unary_op, build_conditional_expr, build_compound_expr,
5566         build_binary_op, c_objc_common_truthvalue_conversion): Call
5567         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5568         integer operands.
5569
5570 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5571
5572         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5573         CODE to produce a new one. Add a prototype to use fold_convert_const
5574
5575 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5576
5577         PR bootstrap/39660
5578         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5579         mix declarations and code.
5580
5581 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5582
5583         * gcc.c: Replace `CC' with `GCC' throughout.
5584
5585 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5586
5587         * doc/invoke.texi: Document Atom support.
5588
5589 2009-04-07  Jason Merrill  <jason@redhat.com>
5590
5591         PR c++/25185
5592         * c-common.h, c-common.c: Add flag_pretty_templates.
5593         * c-opts.c (c_common_handle_option): Set it.
5594         * c.opt: Add -fno-pretty-templates.
5595         * doc/invoke.texi (C++ Dialect Options): Likewise.
5596
5597 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5598
5599         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5600         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5601         (ia64_expand_builtin): Likewise.
5602
5603 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5604
5605         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5606         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5607         ADDR_EXPRS are include too.
5608
5609 2009-04-07  Richard Guenther  <rguenther@suse.de>
5610
5611         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5612         decls are only used if passes as parameters or if they are
5613         local statics and the call is not to a builtin.
5614         (call_may_clobber_ref_p_1): Likewise.
5615
5616 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5617
5618         * expr.c (do_store_flag): Remove last argument.  Simplify code
5619         to avoid duplication of tests already done by can_compare_p.
5620         (expand_expr_real_1): Adjust caller.
5621
5622 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5623
5624         * optabs.c (can_compare_p): Test the predicate of a
5625         cbranch and cstore pattern.
5626
5627 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5628
5629         * expr.c (convert_move): Use emit_store_flag instead of
5630         "emulating" it.
5631
5632 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5633
5634         * config/i386/i386.c (ix86_compare_emitted): Remove.
5635         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5636         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5637         * config/i386/i386.h (ix86_compare_emitted): Remove.
5638         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5639         instead of ix86_compare_emitted.
5640         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5641
5642 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5643
5644         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5645         Add t-sysroot-suffix to tmake_file.
5646         * config/print-sysroot-suffix.sh: New file.
5647         * config/t-sysroot-suffix: New file.
5648
5649 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5650
5651         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5652         as the latter produces a warning when the target does not support
5653         infinity.
5654
5655 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5656
5657         * dfp.c: Replace type punning assignments with memcpy throughout.
5658         * Makefile.in (dfp.o-warn): Remove.
5659
5660 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5661
5662         PR target/39634
5663         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5664         Include soft-fp/t-softfp after rs6000/t-linux64.
5665
5666 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5667
5668         * stor-layout.c (set_sizetype): Use the full precision of their
5669         machine mode for bitsize types.
5670
5671 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5672
5673         * config/i386/i386.md: Revert 2 accidental checkins.
5674
5675 2009-04-06  Joey Ye  <joey.ye@intel.com>
5676             Xuepeng Guo  <xuepeng.guo@intel.com>
5677             H.J. Lu  <hongjiu.lu@intel.com>
5678
5679         Atom pipeline model, tuning and insn selection.
5680         * config.gcc (atom): Add atom config options and target.
5681
5682         * config/i386/atom.md: New.
5683
5684         * config/i386/i386.c (atom_cost): New cost.
5685         (m_ATOM): New macro flag.
5686         (initial_ix86_tune_features): Set m_ATOM.
5687         (x86_accumulate_outgoing_args): Likewise.
5688         (x86_arch_always_fancy_math_387): Likewise.
5689         (processor_target): Add Atom cost.
5690         (cpu_names): Add Atom cpu name.
5691         (override_options): Set Atom ISA.
5692         (ix86_issue_rate): New case PROCESSOR_ATOM.
5693         (ix86_adjust_cost): Likewise.
5694
5695         * config/i386/i386.h (TARGET_ATOM): New target macro.
5696         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5697         (TARGET_OPT_AGU): New target option.
5698         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5699         (processor_type): Add PROCESSOR_ATOM.
5700
5701         * config/i386/i386.md (cpu): Add new value "atom".
5702         (use_carry, movu): New attr.
5703         (atom.md): Include atom.md.
5704         (adddi3_carry_rex64): Set attr "use_carry".
5705         (addqi3_carry): Likewise.
5706         (addhi3_carry): Likewise.
5707         (addsi3_carry): Likewise.
5708         (*addsi3_carry_zext): Likewise.
5709         (subdi3_carry_rex64): Likewise.
5710         (subqi3_carry): Likewise.
5711         (subhi3_carry): Likewise.
5712         (subsi3_carry): Likewise.
5713         (x86_movdicc_0_m1_rex64): Likewise.
5714         (*x86_movdicc_0_m1_se): Likewise.
5715         (x86_movsicc_0_m1): Likewise.
5716         (*x86_movsicc_0_m1_se): Likewise.
5717         (*adddi_1_rex64): Emit add insn as much as possible.
5718         (*addsi_1): Likewise.
5719         (return_internal): Set atom_unit.
5720         (return_internal_long): Likewise.
5721         (return_pop_internal): Likewise.
5722         (*rcpsf2_sse): Set atom_sse_attr attr.
5723         (*qrt<mode>2_sse): Likewise.
5724         (*prefetch_sse): Likewise.
5725
5726         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5727         PROCESSOR_ATOM.
5728         (ix86_target_macros_internal): Likewise.
5729
5730         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5731         (*prefetch_sse_rex): Likewise.
5732         (sse_rcpv4sf2): Likewise.
5733         (sse_vmrcpv4sf2): Likewise.
5734         (sse_sqrtv4sf2): Likewise.
5735         (<sse>_vmsqrt<mode>2): Likewise.
5736         (sse_ldmxcsr): Likewise.
5737         (sse_stmxcsr): Likewise.
5738         (*sse_sfence): Likewise.
5739         (sse2_clflush): Likewise.
5740         (*sse2_mfence): Likewise.
5741         (*sse2_lfence): Likewise.
5742         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5743         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5744         (avx_movdqu<avxmodesuffix>): Likewise.
5745         (avx_lddqu<avxmodesuffix>): Likewise.
5746         (sse2_movntv2di): Change attr "type" to "ssemov".
5747         (sse2_movntsi): Likewise.
5748         (rsqrtv8sf2): Change attr "type" to "sseadd".
5749         (sse3_addsubv2df3): Set attr "atom_unit".
5750         (sse3_h<plusminus_insn>v4sf3): Likewise.
5751         (*sse2_pmaddwd): Likewise.
5752         (*vec_extractv2di_1_rex64): Likewise.
5753         (*vec_extractv2di_1_avx): Likewise.
5754         (sse2_psadbw): Likewise.
5755         (ssse3_phaddwv8hi3): Likewise.
5756         (ssse3_phaddwv4hi3): Likewise.
5757         (ssse3_phadddv4si3): Likewise.
5758         (ssse3_phadddv2si3): Likewise.
5759         (ssse3_phaddswv8hi3): Likewise.
5760         (ssse3_phaddswv4hi3): Likewise.
5761         (ssse3_phsubwv8hi3): Likewise.
5762         (ssse3_phsubwv4hi3): Likewise.
5763         (ssse3_phsubdv4si3): Likewise.
5764         (ssse3_phsubdv2si3): Likewise.
5765         (ssse3_phsubswv8hi3): Likewise.
5766         (ssse3_phsubswv4hi3): Likewise.
5767         (ssse3_pmaddubsw128): Likewise.
5768         (sse3_pmaddubsw: Likewise.
5769         (ssse3_palignrti): Likewise.
5770         (ssse3_palignrdi): Likewise.
5771
5772 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5773
5774         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5775
5776 2009-04-06  Richard Guenther  <rguenther@suse.de>
5777
5778         PR tree-optimization/28868
5779         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5780         of which PHI results we inserted.
5781         (insert_into_preds_of_block): Record inserted PHIs.
5782         (eliminate): Eliminate redundant PHI nodes.
5783         (init_pre): Init inserted_phi_names.
5784
5785 2009-04-06  Richard Guenther  <rguenther@suse.de>
5786
5787         PR tree-optimization/39643
5788         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5789         IMAGPART_EXPRs of complex constants.
5790         (execute_fold_all_builtins): If we folded a call queue
5791         TODO_update_address_taken.
5792
5793 2009-04-06  Jan Hubicka  <jh@suse.cz>
5794
5795         PR middle-end/39659
5796         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5797         flag.
5798
5799 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5800
5801         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5802         delay slot.
5803         (ic_invalidate_array): Likewise.
5804
5805 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5806
5807         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5808         alignment for library calls.
5809
5810 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5811
5812         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5813         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5814         * config/i386/mingw-stdint.h:  New file.
5815
5816 2009-04-05  Richard Guenther  <rguenther@suse.de>
5817
5818         PR tree-optimization/39648
5819         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5820         our &A vs. &A[0] IL deficiencies.
5821
5822 2009-04-04  Jan Hubicka  <jh@suse.cz>
5823
5824         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5825         removed toplevel regions.
5826         (sjlj_mark_call_sites): Likewise.
5827
5828 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5829
5830         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5831         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5832         * config/i386/cygwin-stdint.h:  New file.
5833
5834 2009-04-04  Richard Guenther  <rguenther@suse.de>
5835
5836         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5837         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5838         single-argument PHIs if we are in loop-closed SSA form.
5839         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5840         for the pre-condition.
5841         (slpeel_tree_peel_loop_to_edge): Likewise.
5842         (vect_build_loop_niters): Take an optional sequence to append stmts.
5843         (vect_generate_tmps_on_preheader): Likewise.
5844         (vect_do_peeling_for_loop_bound): Take extra guards for the
5845         pre-condition.
5846         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5847         the cost model check.
5848         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5849         guards if we are going to peel.  Do not apply versioning in that case.
5850         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5851         (vect_do_peeling_for_loop_bound): Likewise.
5852         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5853         loop bound only record extra pre-conditions, do not apply loop
5854         versioning.
5855
5856 2009-04-04  Richard Guenther  <rguenther@suse.de>
5857
5858         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5859         renaming code.
5860
5861 2009-04-04  Jan Hubicka  <jh@suse.cz>
5862
5863         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5864         last_basic_block for size of bb->index indexed array.
5865         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5866         compute_out, link_btr_uses, build_btr_def_use_webs,
5867         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5868
5869 2009-04-04  Jan Hubicka  <jh@suse.cz>
5870
5871         * except.c (remove_eh_handler_and_replace): Break out from ...
5872         (remove_eh_handler): ... here.
5873         (bring_to_root): New function.
5874         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5875         handled ones, bring others to root of tree.
5876
5877 2009-04-04  Jan Hubicka  <jh@suse.cz>
5878
5879         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5880         (all_phis_safe_to_merge): New function.
5881         (update_info): New structure.
5882         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5883         (cleanup_empty_eh): Update SSA if possible.
5884
5885 2009-04-04  Richard Guenther  <rguenther@suse.de>
5886
5887         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5888         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5889         (append_vuse): Likewise.
5890
5891 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5892
5893         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5894         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5895         instead of REG_UNSAVED for DW_CFA_undefined.
5896         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5897         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5898         outermost frame.
5899
5900 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5901
5902         PR target/39501
5903         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5904         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5905         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5906
5907 2009-04-04  Richard Guenther  <rguenther@suse.de>
5908
5909         PR tree-optimization/8781
5910         PR tree-optimization/37892
5911         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5912         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5913         (valueize_refs): Call it for *& valueizations.
5914         (shared_reference_ops_from_ref): Rename to ...
5915         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5916         (shared_reference_ops_from_call): Rename to ...
5917         (valueize_shared_reference_ops_from_call): ... this and valueize.
5918         (vn_reference_lookup): Update.
5919         (visit_reference_op_call): Likewise.
5920         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5921         (eliminate): Value-replace the call address in call statements.
5922
5923 2009-04-04  Richard Guenther  <rguenther@suse.de>
5924
5925         PR tree-optimization/39636
5926         * tree-ssa-forwprop.c
5927         (forward_propagate_addr_into_variable_array_index): Check for
5928         GIMPLE_ASSIGN before accessing the rhs code.
5929
5930 2009-04-03  Jason Merrill  <jason@redhat.com>
5931
5932         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5933
5934 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5935
5936         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5937         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5938         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5939         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5940         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5941         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5942         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5943         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5944         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5945         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5946         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5947         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5948         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5949         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5950         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5951         Use fr_reg_or_fp01_operand instead of fr_register_operand
5952
5953         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5954         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5955         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5956
5957 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5958
5959         PR rtl-optimization/39607
5960         PR rtl-optimization/39631
5961
5962         Revert:
5963
5964         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5965         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5966         instead of DF_LR_OUT.
5967         * ira-lives.c (process_bb_node_lives): Ditto.
5968         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5969         instead of DF_LR_{OUT,IN}.
5970         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5971         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5972
5973 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5974
5975         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5976         (execute_lower_omp): Always run but take the short way out if -fopenmp
5977         is not given.
5978         (gate_lower_omp): Remove, forcing the pass manager to always run the
5979         pass and always set PROP_gimple_lomp.
5980         (pass_lower_omp): Remove gate function.
5981         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5982         PROP_trees.  Instead, require it.
5983         * ipa-cp.c (pass_ipa_cp): Likewise.
5984         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5985         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5986         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5987         and PROP_gimple_leh.
5988
5989 2009-04-03  Richard Guenther  <rguenther@suse.de>
5990
5991         PR middle-end/13146
5992         PR tree-optimization/23940
5993         PR tree-optimization/33237
5994         PR middle-end/33974
5995         PR middle-end/34093
5996         PR tree-optimization/36201
5997         PR tree-optimization/36230
5998         PR tree-optimization/38049
5999         PR tree-optimization/38207
6000         PR tree-optimization/38230
6001         PR tree-optimization/38301
6002         PR tree-optimization/38585
6003         PR middle-end/38895
6004         PR tree-optimization/38985
6005         PR tree-optimization/39299
6006         * tree-ssa-structalias.h: Remove.
6007         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6008         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6009         (struct vuse_element_d): Remove.
6010         (struct vuse_vec_d): Likewise.
6011         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6012         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6013         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6014         VUSE_ELEMENT_VAR): Likewise.
6015         (struct voptype_d): Likewise.
6016         (NUM_VOP_FREE_BUCKETS): Likewise.
6017         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6018         (struct stmt_operands_d): Remove.
6019         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6020         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6021         VDEF_NUM, VDEF_VECT): Likewise.
6022         (copy_virtual_operands): Remove.
6023         (operand_build_cmp): Likewise.
6024         (create_ssa_artificial_load_stmt): Likewise.
6025         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6026         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6027         vuse_index and mayuse_index members.  Pack and move done and iter_type
6028         members to the front.
6029         (SSA_OP_VMAYUSE): Remove.
6030         (SSA_OP_VIRTUAL_USES): Adjust.
6031         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6032         (unlink_stmt_vdef): Declare.
6033         (add_to_addressable_set): Remove.
6034         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6035         (vrp_visit_stmt): Likewise.
6036         * doc/tree-ssa.texi (Alias analysis): Update.
6037         * doc/invoke.texi (max-aliased-vops): Remove docs.
6038         (avg-aliased-vops): Likewise.
6039         * tree-into-ssa.c (syms_to_rename): Remove.
6040         (need_to_update_vops_p): Likewise.
6041         (need_to_initialize_update_ssa_p): Rename to ...
6042         (update_ssa_initialized_fn): ... this.  Track function we are
6043         initialized for.
6044         (symbol_marked_for_renaming): Simplify.
6045         (add_new_name_mapping): Do not set need_to_update_vops_p.
6046         (dump_currdefs): Use SYMS_TO_RENAME.
6047         (rewrite_update_stmt): Always walk all uses/defs.
6048         (dump_update_ssa): Adjust.
6049         (init_update_ssa): Take function argument.  Track what we are
6050         initialized for.
6051         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6052         (create_new_def_for): Initialize for cfun, assert we are initialized
6053         for cfun.
6054         (mark_sym_for_renaming): Simplify.
6055         (mark_set_for_renaming): Do not initialize update-ssa.
6056         (need_ssa_update_p): Simplify.  Take function argument.
6057         (name_mappings_registered_p): Assert we ask for the correct function.
6058         (name_registered_for_update_p): Likewise.
6059         (ssa_names_to_replace): Likewise.
6060         (release_ssa_name_after_update_ssa): Likewise.
6061         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6062         (dump_decl_set): Do not print a newline.
6063         (debug_decl_set): Do it here.
6064         (dump_update_ssa): And here.
6065         * tree-ssa-loop-im.c (move_computations): Adjust.
6066         (movement_possibility): Likewise.
6067         (determine_max_movement): Likewise.
6068         (gather_mem_refs_stmt): Likewise.
6069         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6070         or NAME_MEMORY_TAG.
6071         * tree-complex.c (update_all_vops): Remove.
6072         (expand_complex_move): Adjust.
6073         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6074         Simplify test for memory referencing statement.  Exclude
6075         non-invariant ADDR_EXPRs.
6076         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6077         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6078         (rdg_flag_uses): Likewise.
6079         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6080         related code.
6081         (tree_optimize_tail_calls_1): Also split the
6082         edge from the entry block if we have degenerate PHI nodes in
6083         the first basic block.
6084         * tree.c (init_ttree): Remove memory-tag related code.
6085         (tree_code_size): Likewise.
6086         (tree_node_structure): Likewise.
6087         (build7_stat): Re-write to be build6_stat.
6088         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6089         (SSA_VAR_P): Adjust.
6090         (struct tree_memory_tag): Remove.
6091         (struct tree_memory_partition_tag): Likewise.
6092         (union tree_node): Adjust.
6093         (build7): Re-write to be build6.
6094         * tree-pass.h (pass_reset_cc_flags): Remove.
6095         (TODO_update_address_taken): New flag.
6096         (pass_simple_dse): Remove.
6097         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6098         * params.h (MAX_ALIASED_VOPS): Remove.
6099         (AVG_ALIASED_VOPS): Likewise.
6100         * omp-low.c (expand_omp_taskreg): Update SSA form.
6101         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6102         aliases the lhs in a copy stmt.
6103         * tree-ssa-dse.c (struct address_walk_data): Remove.
6104         (memory_ssa_name_same): Likewise.
6105         (memory_address_same): Likewise.
6106         (get_kill_of_stmt_lhs): Likewise.
6107         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6108         unused stores.  Look through PHI nodes into post-dominated regions.
6109         (dse_optimize_stmt): Simplify.  Properly remove stores.
6110         (tree_ssa_dse): Compute dominators.
6111         (execute_simple_dse): Remove.
6112         (pass_simple_dse): Likewise.
6113         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6114         gimple_loaded_syms and gimple_stored_syms computation.
6115         * toplev.c (dump_memory_report): Dump alias and pta stats.
6116         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6117         (vn_reference_eq): Likewise.
6118         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6119         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6120         valueize_vuses): Remove.
6121         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6122         (get_def_ref_stmt_vuse): ... this.
6123         (vn_reference_lookup_2): New function.
6124         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6125         walking equivalent vuses.  Simplify.
6126         (vn_reference_lookup): Likewise.
6127         (vn_reference_insert): Likewise.
6128         (vn_reference_insert_pieces): Likewise.
6129         (visit_reference_op_call): Simplify.
6130         (visit_reference_op_load): Likewise.
6131         (visit_reference_op_store): Likewise.
6132         (init_scc_vn): Remove shared_lookup_vuses initialization.
6133         (free_scc_vn): Remove shared_lookup_vuses freeing.
6134         (sort_vuses, sort_vuses_heap): Remove.
6135         (get_ref_from_reference_ops): Export.
6136         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6137         vector with single vuse pointer.
6138         (vn_reference_lookup_pieces, vn_reference_lookup,
6139         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6140         (shared_vuses_from_stmt): Remove.
6141         (get_ref_from_reference_ops): Declare.
6142         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6143         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6144         memory-tag related code.
6145         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6146         (likely_value): Add comment, skip static-chain of call statements.
6147         (surely_varying_stmt_p): Adjust.
6148         (gimplify_and_update_call_from_tree): Likewise.
6149         (execute_fold_all_builtins): Do not rebuild alias info.
6150         (gimplify_and_update_call_from_tree): Properly update VOPs.
6151         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6152         (copy_ref_info): Remove memory-tag related code.
6153         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6154         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6155         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6156         computation.
6157         * tree-ssa-dom.c (gimple_p): Remove typedef.
6158         (eliminate_redundant_computations): Adjust.
6159         (record_equivalences_from_stmt): Likewise.
6160         (avail_expr_hash): Likewise.
6161         (avail_expr_eq): Likewise.
6162         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6163         (stmt_makes_single_load): Likewise.
6164         (stmt_makes_single_store): Likewise.
6165         * tree-ssa-alias.c: Rewrite completely.
6166         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6167         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6168         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6169         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6170         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6171         Remove public functions.
6172         (pass_reset_cc_flags): Remove.
6173         (pass_build_alias): Move ...
6174         * tree-ssa-structalias.c (pass_build_alias): ... here.
6175         * tree-ssa-alias.c (may_be_aliased): Move ...
6176         * tree-flow-inline.h (may_be_aliased): ... here.
6177         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6178         count_uses_and_derefs): Move ...
6179         * gimple.c: ... here.
6180         * gimple.h (count_uses_and_derefs): Declare.
6181         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6182         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6183         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6184         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6185         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6186         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6187         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6188         New functions.
6189         * tree-dfa.c (refs_may_alias_p): Move ...
6190         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6191         * tree-ssa-alias.h: New file.
6192         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6193         (statement_sink_location): Likewise.
6194         * opts.c (decode_options): Do not adjust max-aliased-vops or
6195         avg-aliased-vops values.
6196         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6197         (TV_CALL_CLOBBER): Likewise.
6198         (TV_FLOW_SENSITIVE): Likewise.
6199         (TV_FLOW_INSENSITIVE): Likewise.
6200         (TV_MEMORY_PARTITIONING): Likewise.
6201         (TV_ALIAS_STMT_WALK): New timevar.
6202         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6203         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6204         (get_address_description): Remove memory-tag related code.
6205         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6206         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6207         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6208         and immediate uses in statements.  Document.
6209         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6210         (dump_symbols): Remove.
6211         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6212         * alias.c (get_deref_alias_set): New function split out from ...
6213         (get_alias_set): ... here.
6214         * alias.h (get_deref_alias_set): Declare.
6215         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6216         type parameter.  Remove restrict pointer handling.  Create a
6217         ref-all pointer in case type-based alias sets do not conflict.
6218         (vect_analyze_data_refs): Remove SMT related code.
6219         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6220         (vectorizable_load): Likewise.
6221         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6222         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6223         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6224         Ignore vops and SMTs.
6225         (dr_analyze_alias): Likewise..
6226         (free_data_ref): Likewise.
6227         (create_data_ref): Likewise.
6228         (analyze_all_data_dependences): Likewise.
6229         (get_references_in_stmt): Adjust.
6230         * tree-flow-inline.h (gimple_aliases_computed_p,
6231         gimple_addressable_vars, gimple_call_clobbered_vars,
6232         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6233         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6234         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6235         gimple_mem_ref_stats): Remove.
6236         (gimple_vop): New function.
6237         (op_iter_next_use): Remove vuses and mayuses cases.
6238         (op_iter_next_def): Remove vdefs case.
6239         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6240         (clear_and_done_ssa_iter): Do not set removed fields.
6241         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6242         Assert we are not iterating over vuses or vdefs if not also
6243         iterating over uses or defs.
6244         (op_iter_init_use): Likewise.
6245         (op_iter_init_def): Likewise.
6246         (op_iter_next_vdef): Remove.
6247         (op_iter_next_mustdef): Likewise.
6248         (op_iter_init_vdef): Likewise.
6249         (compare_ssa_operands_equal): Likewise.
6250         (link_use_stmts_after): Handle vuse operand.
6251         (is_call_used): Use is_call_clobbered.
6252         (is_call_clobbered): Global variables are always call clobbered,
6253         query the call-clobbers bitmap.
6254         (mark_call_clobbered): Ignore global variables.
6255         (clear_call_clobbered): Likewise.
6256         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6257         virtual operands sanity check.
6258         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6259         Remove.
6260         (TARGET_MEM_REF): Remove TMR_TAG operand.
6261         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6262         Remove call-clobber related code.
6263         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6264         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6265         partitions or escape reason.
6266         (get_single_def_stmt, get_single_def_stmt_from_phi,
6267         get_single_def_stmt_with_phi): Remove.
6268         (dump_referenced_vars): Tidy.
6269         (get_ref_base_and_extent): Allow bare decls.
6270         (collect_dfa_stats): Adjust.
6271         * graphite.c (rename_variables_in_stmt): Adjust.
6272         (graphite_copy_stmts_from_block): Likewise.
6273         (translate_clast): Likewise.
6274         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6275         (EXPR_DIES): New.
6276         (translate_vuse_through_block): Use the oracle.
6277         (phi_translate_1): Adjust.
6278         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6279         in EXPR_DIES.
6280         (valid_in_sets): Check if the VUSE for
6281         a REFERENCE is available.
6282         (eliminate): Do not remove stmts during elimination,
6283         instead queue and remove them afterwards.
6284         (do_pre): Do not rebuild alias info.
6285         (pass_pre): Run TODO_rebuild_alias before PRE.
6286         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6287         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6288         (mark_all_v_defs_stmt): Remove.
6289         (mark_all_v_defs_seq): Adjust.
6290         (sra_replace): Likewise.
6291         (scalarize_use): Likewise.
6292         (scalarize_copy): Likewise.
6293         (scalarize_init): Likewise.
6294         (scalarize_ldst): Likewise.
6295         (todoflags): Remove.
6296         (tree_sra): Do not rebuild alias info.
6297         (tree_sra_early): Adjust.
6298         (pass_sra): Run TODO_update_address_taken before SRA.
6299         * tree-predcom.c (set_alias_info): Remove.
6300         (prepare_initializers_chain): Do not call it.
6301         (mark_virtual_ops_for_renaming): Adjust.
6302         (mark_virtual_ops_for_renaming_list): Remove.
6303         (initialize_root_vars): Adjust.
6304         (initialize_root_vars_lm): Likewise.
6305         (prepare_initializers_chain): Likewise.
6306         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6307         (may_propagate_copy_into_stmt): Likewise.
6308         (merge_alias_info): Do nothing for now.
6309         (propagate_tree_value_into_stmt): Adjust.
6310         (stmt_may_generate_copy): Likewise.
6311         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6312         not mark symbols for renaming.
6313         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6314         with the same statement, make sure to update the new pointed-to one.
6315         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6316         call statements, do not mark symbols for renaming.
6317         (mark_operand_necessary): Dump something.
6318         (ref_may_be_aliased): New function.
6319         (mark_aliased_reaching_defs_necessary_1): New helper function.
6320         (mark_aliased_reaching_defs_necessary): Likewise.
6321         (mark_all_reaching_defs_necessary_1): Likewise.
6322         (mark_all_reaching_defs_necessary): Likewise.
6323         (propagate_necessity): Do not process virtual PHIs.  For
6324         non-aliased loads mark all reaching definitions as necessary.
6325         For aliased loads and stores mark the immediate dominating
6326         aliased clobbers as necessary.
6327         (visited): New global static.
6328         (perform_tree_ssa_dce): Free visited bitmap after propagating
6329         necessity.
6330         (remove_dead_phis): Perform simple dead virtual PHI removal.
6331         (remove_dead_stmt): Properly unlink virtual operands when
6332         removing stores.
6333         (eliminate_unnecessary_stmts): Schedule PHI removal after
6334         stmt removal.
6335         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6336         (process_replaceable): Likewise.
6337         (find_replaceable_in_bb): Likewise.
6338         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6339         based on the single gimple vop.
6340         (verify_flow_insensitive_alias_info): Remove.
6341         (verify_flow_sensitive_alias_info): Likewise.
6342         (verify_call_clobbering): Likewise.
6343         (verify_memory_partitions): Likewise.
6344         (verify_alias_info): Likewise.
6345         (verify_ssa): Adjust..
6346         (execute_update_addresses_taken): Export.  Update SSA
6347         manually.  Optimize only when optimizing.  Use a local bitmap.
6348         (pass_update_address_taken): Remove TODO_update_ssa, add
6349         TODO_dump_func.
6350         (pass_update_address_taken): Just use TODO_update_address_taken.
6351         (init_tree_ssa): Do not initialize addressable_vars.
6352         (verify_ssa): Verify new VUSE / VDEF properties.
6353         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6354         Do not call verify_alias_info.
6355         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6356         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6357         and callused solutions.  Do not free addressable_vars.
6358         Remove memory-tag related code.
6359         (warn_uninitialized_var): Aliases are always available.
6360         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6361         * lambda-code.c (can_put_in_inner_loop): Adjust.
6362         (can_put_after_inner_loop): Likewise.
6363         (perfect_nestify): Likewise.
6364         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6365         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6366         (vectorizable_conversion): Do not mark symbols for renaming.
6367         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6368         (expand_call_inline): Unlink the calls virtual operands before
6369         replacing it.
6370         (tree_function_versioning): Do not call update_ssa if we are not
6371         updating clones.  Simplify.
6372         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6373         (propagate_with_phi): Likewise..
6374         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6375         clobber code.  Assert we are not aliased or global.
6376         * tree-flow.h: Include tree-ssa-alias.h
6377         (enum escape_type): Remove.
6378         (struct mem_sym_stats_d): Likewise.
6379         (struct mem_ref_stats_d): Likewise.
6380         (struct gimple_df): Add vop member.  Remove global_var,
6381         call_clobbered_vars, call_used_vars, addressable_vars,
6382         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6383         escaped and callused members.
6384         (struct ptr_info_def): Remove all members, add points-to solution
6385         member pt.
6386         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6387         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6388         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6389         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6390         (tree-ssa-alias.o): Likewise.
6391         (toplev.o): Add tree-ssa-alias.h
6392         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6393         * gimple.c (gimple_set_bb): Fix off-by-one error.
6394         (is_gimple_reg): Do not handle memory tags.
6395         (gimple_copy): Also copy virtual operands.
6396         Delay updating the statement.  Do not reset loaded and stored syms.
6397         (gimple_set_stored_syms): Remove.
6398         (gimple_set_loaded_syms): Likewise.
6399         (gimple_call_copy_skip_args): Copy the virtual operands
6400         and mark the new statement modified.
6401         * tree-ssa-structalias.c (may_alias_p): Remove.
6402         (set_uids_in_ptset): Take the alias set to prune with as
6403         parameter.  Fold in the alias test of may_alias_p.
6404         (compute_points_to_sets): Compute whether a ptr is dereferenced
6405         in a local sbitmap.
6406         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6407         other ADDRESSOF constraints on the lhs.
6408         (get_constraint_for_component_ref): Assert that we don't get
6409         ADDRESSOF constraints from the base of the reference.
6410         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6411         (struct variable_info): Remove collapsed_to member.
6412         (get_varinfo_fc): Remove.
6413         (new_var_info): Do not set collapsed_to.
6414         (dump_constraint): Do not follow cycles.
6415         (dump_constraint_graph): Likewise.
6416         (build_pred_graph): Likewise.
6417         (build_succ_graph): Likewise.
6418         (rewrite_constraints): Likewise.
6419         (do_simple_structure_copy): Remove.
6420         (do_rhs_deref_structure_copy): Remove.
6421         (do_lhs_deref_structure_copy): Remove.
6422         (collapse_rest_of_var): Remove.
6423         (do_structure_copy): Re-implement.
6424         (pta_stats): New global variable.
6425         (dump_pta_stats): New function.
6426         (struct constraint_expr): Make offset signed.
6427         (UNKNOWN_OFFSET): Define special value.
6428         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6429         (solution_set_expand): New helper function split out from ...
6430         (do_sd_constraint): ... here.
6431         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6432         (do_ds_constraint): Likewise.
6433         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6434         and CALLUSED = *CALLUSED.
6435         (set_union_with_increment): Make inc argument signed.
6436         (type_safe): Remove.
6437         (get_constraint_for_ptr_offset): Handle unknown and negative
6438         constant offsets.
6439         (first_vi_for_offset): Handle offsets before start.  Bail
6440         out early for offsets beyond the variable extent.
6441         (first_or_preceding_vi_for_offset): New function.
6442         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6443         Together with ESCAPED = *ESCAPED this properly computes reachability.
6444         (find_what_var_points_to): New function.
6445         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6446         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6447         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6448         pt_solutions_intersect): New functions.
6449         (compute_call_used_vars): Remove.
6450         (compute_may_aliases): New main entry into PTA computation.
6451         * gimple.h (gimple_p): New typedef.
6452         (struct gimple_statement_base): Remove references_memory_p.
6453         (struct gimple_statement_with_memory_ops_base): Remove
6454         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6455         members.
6456         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6457         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6458         gimple_set_references_memory): Remove.
6459         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6460         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6461         New functions.
6462         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6463         (verify_expr): Allow RESULT_DECL.
6464         (gimple_duplicate_bb): Do not copy virtual operands.
6465         (gimple_duplicate_sese_region): Adjust.
6466         (gimple_duplicate_sese_tail): Likewise.
6467         (mark_virtual_ops_in_region): Remove.
6468         (move_sese_region_to_fn): Do not call it.
6469         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6470         and pass_simple_dse.
6471         (execute_function_todo): Handle TODO_update_address_taken,
6472         call execute_update_addresses_taken for TODO_rebuild_alias.
6473         (execute_todo): Adjust.
6474         (execute_one_pass): Init dump files early.
6475         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6476         call-clobbered.
6477         (create_general_new_stmt): Clear vops.
6478         * tree-ssa-reassoc.c (get_rank): Adjust.
6479         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6480         symbols for renaming.
6481         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6482         (PARAM_AVG_ALIASED_VOPS): Likewise.
6483         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6484         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6485         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6486         (operand_build_cmp, copy_virtual_operands,
6487         create_ssa_artificial_load_stmt, add_to_addressable_set,
6488         gimple_add_to_addresses_taken): Remove public functions.
6489         (unlink_stmt_vdef): New function.
6490
6491 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6492
6493         * config.gcc (powerpc-*-linux*): Merge variants.
6494
6495 2009-04-02  Chao-ying Fu  <fu@mips.com>
6496             James Grosbach  <james.grosbach@microchip.com>
6497
6498         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6499         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6500         cop0_sp_offset.
6501         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6502         keep_interrupts_masked_p, use_debug_exception_return_p.
6503         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6504         keep_interrupts_masked, use_debug_exception_return.
6505         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6506         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6507         New functions.
6508         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6509         (mips_print_operand): Process COP0 registers to print $0 .. $31
6510         correctly for GAS to process.
6511         (mips_interrupt_extra_call_saved_reg_p): New function.
6512         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6513         extra registers.
6514         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6515         (mips_compute_frame_info): Add supports for interrupt context that
6516         includes doubleword accumulators and COP0 registers.
6517         (mips_for_each_saved_acc): New function.
6518         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6519         mips_for_each_saved_reg.
6520         (mips_save_reg): Save accumulators.
6521         (mips_kernel_reg_p): A new for_each_rtx callback.
6522         (mips_expand_prologue): Support interrupt handlers.
6523         (mips_restore_reg): Restore accumulators.
6524         (mips_expand_epilogue): Support interrupt handlers.
6525         (mips_can_use_return_insn): Return false for interrupt handlers.
6526         (mips_epilogue_uses): New function.
6527         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6528         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6529         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6530         cop0_move): New instructions.
6531         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6532         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6533         defines.
6534         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6535         New defines.
6536         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6537         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6538         interrupt handlers, we use K0 as the temporary register.
6539         (EPILOGUE_USES): Change to a function call.
6540         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6541         handlers, we use K0 as the temporary register.
6542
6543         * doc/extend.texi (Function Attributes): Document interrupt,
6544         use_shadow_register_set, keep_interrupts_masked,
6545         use_debug_exception_return for MIPS attributes.
6546
6547 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6548
6549         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6550         Remove a number of t-files from tmake_file.
6551         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6552         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6553         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6554         target_prototype, not TARGET_PROTOTYPE.
6555         (LINK_OS_GNU_SPEC): Define.
6556         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6557         and darwin-ldoubdle.c.
6558
6559 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6560
6561         PR driver/39293
6562         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6563         (cpp_options): Ditto.
6564         (default_compilers): Ditto.
6565         (display_help): Ditto.
6566         (process_command): Ditto.
6567         (do_spec_1): Ditto.
6568         (set_input): Use lbasename instead of duplicate code.
6569         (save_temps_prefix): New static for -save-temps=obj.
6570         (save_temps_length): Ditto.
6571
6572         * doc/invoke.texi (-save-temps=obj): Document new variant to
6573         -save-temps switch.
6574
6575 2009-04-02  Jeff Law  <law@redhat.com>
6576
6577         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6578         variable.
6579
6580 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6581
6582         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6583         * configure: Regenerated.
6584
6585 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6586
6587         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6588         share the argument list.
6589
6590 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6591
6592         Merge
6593
6594         2009-02-12  Diego Novillo  <dnovillo@google.com>
6595
6596         * varpool.c (debug_varpool): New.
6597         * cgraph.h (debug_varpool): Declare.
6598
6599 2009-04-02  Jan Hubicka  <jh@suse.cz>
6600
6601         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6602         pass.
6603
6604 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6605
6606         * config/i386/i386.c (ix86_abi): Move initialization to ...
6607         (override_options): Here.
6608
6609 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6610
6611         * config/sh/sh.c (sh_dwarf_register_span): New function.
6612         (TARGET_DWARF_REGISTER_SPAN): Define.
6613         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6614
6615 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6616
6617         PR tree-optimization/39595
6618         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6619         interleaved loads group is not  greater than the SLP group size.
6620
6621 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6622
6623         * builtins.c (is_builtin_name): New.
6624         (called_as_built_in): Use is_builtin_name.
6625         * tree.h (is_builtin_name): New.
6626         * varasm.c (incorporeal_function_p): Use is_builtin_name
6627
6628 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6629
6630         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6631
6632 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6633
6634         PR c++/26693
6635         * c-decl.c (clone_underlying_type): Move this ...
6636         * c-common.c (set_underlying_type): ... here.
6637         Also, make sure the function properly sets TYPE_STUB_DECL() on
6638         the newly created typedef variant type.
6639         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6640         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6641         points.
6642
6643 2009-04-02  Richard Guenther  <rguenther@suse.de>
6644
6645         PR tree-optimization/37221
6646         * tree-flow.h (degenerate_phi_result): Declare.
6647         * tree-ssa-dom.c (degenerate_phi_result): Export.
6648         * tree-scalar-evolution.c (analyze_initial_condition): If
6649         the initial condition is defined by a degenerate PHI node
6650         use the degenerate value.
6651
6652 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6653
6654         PR rtl-optimization/39588
6655         * combine.c (merge_outer_ops): Do not set the constant when this
6656         is not necessary.
6657         (simplify_shift_const_1): Do not modify it either in this case.
6658
6659 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6660
6661         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6662         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6663
6664 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6665
6666         PR c/29027
6667         * c-lex.c (interpret_float): Default (no suffix) is double.
6668
6669 2009-04-1  Xinliang David Li  <davidxl@google.com>
6670
6671         * config/i386/i386.c (legitimate_constant_p): Recognize
6672         all one vector constant.
6673
6674 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6675
6676         * config/vax/vax.c: Add #includes to silence warnings.
6677         Change #include order to silence two warnings.
6678
6679 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6680
6681         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6682         (ASM_SPEC): Pass -k to the assembler for PIC code.
6683
6684 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6685
6686         * config.gcc: Add vax-*-linux* to the switch.
6687         * config/vax/linux.h: New file. (TARGET_VERSION,
6688         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6689
6690 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6691
6692         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6693         Use predicate macros instead of GET_CODE() == foo.
6694         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6695         ashlsi3, rotrsi3, <unnamed>): Likewise.
6696
6697 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6698
6699         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6700         jbbccihi, jbbccisi): Remova trailing whitespace.
6701         * config/vax/constraints.md: Likewise.
6702         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6703         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6704         * config/vax/predicates.md: Likewise.
6705         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6706         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6707         * config/vax/vax.h: Likewise.
6708         * config/vax/vax.md (nonlocal_goto): Likewise.
6709
6710 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6711
6712         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6713         (indirectable_address_p, adjacent_operands_p): Add spaces around
6714         braces.
6715         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6716
6717 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6718
6719         * config/vax/vax.c (legitimate_constant_address_p,
6720         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6721         index_term_p, reg_plus_index_p, legitimate_address_p,
6722         vax_mode_dependent_address_p): Update comments to match functions
6723         modified by the recent int->bool conversion.
6724
6725 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6726
6727         * config/vax/builtins.md: Update copyright message.
6728         * config/vax/constraints.md: Likewise.
6729         * config/vax/netbsd-elf.h: Likewise.
6730         * config/vax/predicates.md: Likewise.
6731         * config/vax/vax-protos.h: Likewise.
6732         * config/vax/vax.c: Likewise.
6733         * config/vax/vax.h: Likewise.
6734         * config/vax/vax.md: Likewise.
6735         * config/vax/vax.opt: Likewise.
6736
6737 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6738
6739         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6740         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6741         * config/vax/constraints.md (B, R): Likewise.
6742         * config/vax/predicates.md (external_memory_operand,
6743         nonimmediate_addsub_di_operand): Likewise.
6744         * config/vax/vax.c (vax_output_int_add): Likewise.
6745         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6746         untyped_call): Likewise.
6747
6748 2009-04-01  Matt Thomas  <matt@3am-software.com>
6749
6750         * config/vax/predicates.md: New file.
6751         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6752         external_const_operand, nonsymbolic_operand, external_memory_operand,
6753         indirect_memory_operand, indexed_memory_operand,
6754         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6755         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6756         predicate.
6757         * config/vax/constraints.md: New file.
6758         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6759         New constraint.
6760         * config/vax/builtins.md: New file.
6761         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6762         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6763         jbbccisi): Define.
6764         * config/vax/vax.opt (mqmath): Add option.
6765         * config/vax/vax.md (isfx): Extend with DI.
6766         (VAXintQH, VAXintQHSD): Define.
6767         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6768         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6769         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6770         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6771         (movdi): Update constraints and use vax_output_int_move().
6772         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6773         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6774         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6775         nonlocal_goto): New.
6776         (mov<mode>): Extend accepted operand types.
6777         (subdi3_old): Rename from subdi3, change update constraints and use
6778         a new implementation.
6779         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6780         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6781         MOVE_RATIO, CLEAR_RATIO): Define.
6782         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6783         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6784         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6785         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6786         (split_quadword_operands): Make static and really allow variable
6787         splitting.
6788         (print_operand_address): Update for PIC generation.
6789         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6790         indexable_address_p, fixup_mathdi_operand,
6791         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6792         (vax_float_literal, legitimate_constant_p,
6793         indirectable_constant_address_p, index_term_p,
6794         reg_plus_index_p): Return bool instead of int.
6795         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6796         where needed.
6797         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6798         generation.
6799         (vax_output_conditional_branch): Indent.
6800         (legitimate_constant_address_p, indirectable_constant_address_p,
6801         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6802         vax_mode_dependent_address_p): Return bool instead of int, update for
6803         PIC generation.
6804         * config/vax/vax-protos.h (legitimate_constant_address_p,
6805         legitimate_constant_p, legitimate_address_p,
6806         vax_mode_dependent_address_p): Change declaration to bool.
6807         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6808         vax_expand_addsub_di_operands, vax_output_int_subtract,
6809         vax_output_movmemsi): Declare.
6810         (split_quadword_operands, vax_float_literal): Delete declaration.
6811         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6812         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6813         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6814         ASM_OUTPUT_DWARF_PCREL): Define.
6815         (ASM_SPEC): Change definition to allow PIC generation.
6816
6817 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6818
6819         * doc/sourcebuild.texi: Update front-end requirements.
6820
6821 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6822
6823         PR target/39226
6824         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6825         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6826         (booldi3_internal3): Use boolean_or_operator instead of
6827         boolean_operator.
6828
6829 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6830
6831         PR c/39605
6832         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6833         declarator whose size is not an integer constant expression but
6834         folds to an integer constant, then treat it as a constant
6835         subsequently.
6836
6837 2009-04-01  Richard Guenther  <rguenther@suse.de>
6838
6839         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6840         i * 4 + 2 to (i * 2 + 1) * 2.
6841
6842 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6843
6844         PR c/37772
6845         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6846         return if c_parser_asm_string_literal returned NULL.
6847
6848 2009-04-01  Nick Clifton  <nickc@redhat.com>
6849
6850         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6851         already defined.
6852         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6853         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6854         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6855         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6856         include it.
6857         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6858         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6859         then include it.
6860
6861 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6862
6863         * varasm.c (default_function_rodata_section): Declare DOT as
6864         const char*.
6865
6866 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6867             Andrey Galkin  <agalkin@hypercom.com>
6868
6869         PR/39492
6870         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6871         Make object_name unique for each process.
6872
6873 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6874
6875         PR other/39591
6876         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6877         addressable variables in the parallel that could go out of scope while
6878         running queued tasks.
6879
6880 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6881
6882         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6883         (CASE_VALUES_THRESHOLD): Redefine.
6884         * config/avr/avr.c (avr_override_options): Remove initialization of
6885         avr_case_values_threshold variable.
6886         (avr_case_values_threshold): Remove variable. Add new function.
6887         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6888         * config/avr/avr.opt (mno-tablejump): Remove option.
6889         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6890
6891 2009-04-01  DJ Delorie  <dj@redhat.com>
6892
6893         * varasm.c (default_function_rodata_section): Don't assume
6894         anything about where the first '.' in the section name is.
6895
6896 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6897
6898         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6899         rs6000_emit_stack_tie.
6900
6901 2009-03-31  Ian Lance Taylor  <iant@google.com>
6902
6903         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6904         gimple_code with GIMPLE_RESX, not RESX.
6905
6906 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6907
6908         * c-common.c (c_get_ident): New.
6909         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6910
6911 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6912
6913         * config/rs6000/sysv4.opt (msdata): Improve option description.
6914
6915 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6916
6917         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6918         (divdf3_internal_lat): Remove.
6919         (divxf3_internal_lat): Remove.
6920         (divxf3_internal_thr): Remove.
6921         (divxf): Use divxf3_internal.
6922         * config/ia64/div.md (divsf3_internal_lat): New.
6923         (divdf3_internal_lat): New.
6924         (divxf3_internal): New.
6925
6926 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6927
6928         PR c/448
6929         * Makefile.in (USE_GCC_STDINT): Define.
6930         (stmp-int-hdrs): Install stdint.h if applicable.
6931         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6932         if known.
6933         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6934         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6935         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6936         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6937         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6938         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6939         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6940         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6941         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6942         (c_common_nodes_and_builtins): Initialize
6943         underlying_wchar_type_node.  Do not initialize
6944         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6945         nodes for new types.
6946         (c_stddef_cpp_builtins): Define macros for new types.
6947         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6948         Remove.
6949         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6950         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6951         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6952         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6953         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6954         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6955         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6956         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6957         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6958         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6959         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6960         int16_type_node, int32_type_node, int64_type_node,
6961         uint8_type_node, uint16_type_node, c_uint32_type_node,
6962         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6963         int_least32_type_node, int_least64_type_node,
6964         uint_least8_type_node, uint_least16_type_node,
6965         uint_least32_type_node, uint_least64_type_node,
6966         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6967         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6968         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6969         uintptr_type_node): Define.
6970         * c-cppbuiltin.c (builtin_define_constants,
6971         builtin_define_type_minmax): New.
6972         (builtin_define_stdint_macros): Define more macros.
6973         (c_cpp_builtins): Define more limit macros.
6974         (type_suffix): New.
6975         (builtin_define_type_max): Define in terms of
6976         builtin_define_type_minmax.  Remove is_long parameter.  All
6977         callers changed.
6978         * config.gcc (use_gcc_stdint): Define.
6979         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6980         Add newlib-stdint.h for generic targets.
6981         * config/glibc-stdint.h, config/newlib-stdint.h,
6982         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6983         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6984         * config/score/score.h (UINTPTR_TYPE): Define.
6985         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6986         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6987         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6988         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6989         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6990         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6991         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6992         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6993         * config/spu/spu.h (STDINT_LONG32): Define.
6994         * configure.ac (use_gcc_stdint): Substitute.
6995         * configure: Regenerate.
6996         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
6997         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
6998         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
6999         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7000         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7001         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7002         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7003         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7004         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7005         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7006         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7007         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7008         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7009         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7010         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7011         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7012         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7013         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7014         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7015         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7016         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7017         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7018         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7019         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7020         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7021         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7022         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7023         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7024         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7025
7026 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7027
7028         * loop-iv.c (suitable_set_for_replacement): Renamed from
7029         simplify_using_assignment; changed to return bool and to accept new
7030         args DEST and SRC.  Return true iff we find a source/destination pair
7031         that can be used to make a replacement, and fill SRC and DEST if so.
7032         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7033         changed.
7034         (simplify_using_initial_values): Deal with altered regs here and track
7035         more precisely the effect they have on the validity of our expression.
7036
7037         * loop-iv.c (simplify_using_condition): A condition of the form
7038         (EQ REG CONST) can be used to simply make a substitution.
7039         (simplify_using_initial_values): Keep track of conditions we have seen
7040         and keep using them to simplify new expressions, while applying the
7041         same substitutions to them as to the expression.
7042
7043         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7044         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7045         GEU/LTU reversed.
7046
7047         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7048         changed.  Use this when trying to improve the upper bound.
7049         Generate the comparison by using simplify_gen_relational.
7050
7051         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7052
7053         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7054         functions.
7055         (simplify_using_assignment, simplify_using_initial_values): Call
7056         replace_in_expr to make replacements.  Call replace_single_def_regs
7057         once on the initial version of the expression.
7058
7059 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7060
7061         PR target/27237
7062         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7063
7064 2009-03-31  Richard Guenther  <rguenther@suse.de>
7065
7066         PR middle-end/31029
7067         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7068         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7069
7070 2009-03-31  Richard Guenther  <rguenther@suse.de>
7071
7072         * tree.h (div_if_zero_remainder): Declare.
7073         * fold-const.c (div_if_zero_remainder): Export.
7074         * tree-ssa-forwprop.c
7075         (forward_propagate_addr_into_variable_array_index): Handle
7076         constant array index addition outside of the variable index.
7077
7078 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7079
7080         PR target/39592
7081         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7082         define_splits, floatunssi<mode>2): Require x87 conversions from
7083         DImode to be permitted.
7084
7085 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7086
7087         PR preprocessor/15638
7088         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7089
7090 2009-03-31  Richard Guenther  <rguenther@suse.de>
7091
7092         PR middle-end/23401
7093         PR middle-end/27810
7094         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7095         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7096         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7097         a separate statement.
7098         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7099         (lookup_tmp_var): Likewise.
7100         (is_gimple_formal_tmp_or_call_rhs): Remove.
7101         (is_gimple_reg_or_call_rhs): Rename to ...
7102         (is_gimple_reg_rhs_or_call): ... this.
7103         (is_gimple_mem_or_call_rhs): Rename to ...
7104         (is_gimple_mem_rhs_or_call): ... this.
7105         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7106         DECL_GIMPLE_REG_P only if is_formal is true.
7107         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7108         for non-proper post-modify expression gimplification.
7109         (gimplify_self_mod_expr): For post-modify expressions gimplify
7110         the lvalue to a minimal lvalue.
7111         (rhs_predicate_for): Remove formal temp case.
7112         (gimplify_modify_expr_rhs): Likewise.
7113         (gimplify_addr_expr): Use is_gimple_reg.
7114         (gimplify_expr): Remove formal temp cases.
7115         (gimple_regimplify_operands): Likewise.
7116         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7117         and FILTER_EXPR like constants.
7118         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7119         is_gimple_reg.
7120         (is_gimple_formal_tmp_rhs): Remove.
7121         (is_gimple_reg_rhs): Remove special casing.
7122         (is_gimple_mem_rhs): Fix.
7123         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7124         (is_gimple_formal_tmp_var): Remove.
7125         (is_gimple_formal_tmp_reg): Likewise.
7126         (is_gimple_min_lval): Allow invariant component ref parts.
7127         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7128         is_gimple_formal_tmp_reg): Remove declarations.
7129         * tree-cfg.c (verify_expr): Verify that variables with address
7130         taken do not have DECL_GIMPLE_REG_P set.
7131         * tree-mudflap.c (mf_build_check_statement_for): Use
7132         force_gimple_operand instead of gimplify_expr.
7133
7134 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7135
7136         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7137         schedulable rows to compute_split_row.
7138
7139 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7140
7141         PR target/31635
7142         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7143         OPT_mvrsave.
7144
7145 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7146
7147         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7148         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7149         * configure: Regenerate.
7150         * config.in: Regenerate.
7151         * config/rs6000/rs6000.opt (mtls-markers): Add.
7152         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7153         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7154         (tls_ld_aix, tls_ld_sysv): Likewise.
7155         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7156         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7157
7158 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7159
7160         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7161
7162 2009-03-30  Jan Hubicka  <jh@suse.cz>
7163
7164         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7165         out of RESX.
7166         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7167         detection and label handling.
7168
7169 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7170
7171         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7172         left_conflicts_size.
7173         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7174         ALLOCNO_LEFT_CONFLICTS_SIZE.
7175
7176         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7177         remove_allocno_from_bucket_and_push,
7178         allocno_spill_priority_compare, push_allocnos_to_stack,
7179         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7180         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7181         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7182         setup_allocno_left_conflicts_size.
7183         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7184         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7185         setup_allocno_left_conflicts_size instead of
7186         setup_allocno_left_conflicts_num.
7187
7188         * ira-build.c (ira_create_allocno): Use
7189         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7190         ALLOCNO_LEFT_CONFLICTS_NUM.
7191
7192 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7193
7194         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7195         instead of DF_LR_OUT.
7196
7197         * ira-lives.c (process_bb_node_lives): Ditto.
7198
7199         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7200         instead of DF_LR_{OUT,IN}.
7201
7202         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7203
7204         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7205
7206 2009-03-30  Jan Hubicka  <jh@suse.cz>
7207
7208         * except.c (label_to_region_map): Fix thinko.
7209
7210 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7211
7212         PR middle-end/38237
7213         * tree.h (tree_find_value): New declaration.
7214         * tree.c (tree_find_value): New function.
7215         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7216
7217 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7218
7219         PR debug/39563
7220         * c-decl.c (struct c_binding): Add locus field.
7221         (bind): Add locus argument, set locus field from it.
7222         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7223         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7224         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7225         implicitly_declare, undeclared_variable, lookup_label,
7226         declare_label, c_make_fname_decl, c_builtin_function,
7227         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7228         bind callers.
7229
7230 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7231
7232         PR target/38781
7233         * config/i386/i386.c (classify_argument): Check total size of
7234         structure.
7235
7236 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7237
7238         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7239         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7240         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7241         respectively.
7242
7243         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7244         seen_variable_array_ref while also traversing a union.
7245
7246         * tree-inline.c (optimize_inline_calls): Do not call
7247         cgraph_node_remove_callees.
7248         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7249         (pass_remove_cgraph_callee_edges): New variable.
7250         * passes.c (init_optimization_passes): Add
7251         pass_remove_cgraph_callee_edges after early inlining and before all
7252         late intraprocedural passes.
7253
7254         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7255
7256 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7257
7258         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7259         Fix typos in names.
7260
7261 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7262
7263         * combine.c (simplify_comparison): Use have_insn_for.
7264         * dojump.c (do_jump): Likewise.
7265
7266 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7267
7268         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7269         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7270         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7271         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7272         instead of sparc_compare_emitted.
7273         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7274         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7275         instead of sparc_compare_emitted.
7276
7277 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7278
7279         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7280         enter/exit cfglayout mode.
7281         (pass_partition_block): Require it.
7282         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7283         (combine_instructions): Track basic blocks instead of labels.
7284         (update_cfg_for_uncondjump): New.
7285         (try_combine): Use it.  Update jumps after rescanning.
7286         (pass_combine): Require PROP_cfglayout.
7287         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7288
7289 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7290
7291         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7292         Provide/destroy PROP_cfglayout respectively.
7293         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7294         * tree-pass.h (PROP_cfglayout): New.
7295
7296 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7297
7298         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7299         fold_convert_const_fixed_from_fixed,
7300         fold_convert_const_fixed_from_int,
7301         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7302         set TREE_CONSTANT_OVERFLOW.
7303         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7304         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7305
7306 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7307
7308         * tree-vect-loop-manip.c: New file.
7309         * tree-vectorizer.c: Update documentation and included files.
7310         (vect_loop_location): Make extern.
7311         (rename_use_op): Move to tree-vect-loop-manip.c
7312         (rename_variables_in_bb, rename_variables_in_loop,
7313         slpeel_update_phis_for_duplicate_loop,
7314         slpeel_update_phi_nodes_for_guard1,
7315         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7316         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7317         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7318         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7319         find_loop_location): Likewise.
7320         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7321         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7322         get_vectype_for_scalar_type, vect_is_simple_use,
7323         supportable_widening_operation, supportable_narrowing_operation):
7324         Likewise.
7325         (bb_in_loop_p): Move to tree-vect-loop.c.
7326         (new_loop_vec_info, destroy_loop_vec_info,
7327         reduction_code_for_scalar_code, report_vect_op,
7328         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7329         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7330         (vect_supportable_dr_alignment): Likewise.
7331         * tree-vectorizer.h (tree-data-ref.h): Include.
7332         (vect_loop_location): Declare.
7333         Reorganize function declarations according to the new file structure.
7334         * tree-vect-loop.c: New file.
7335         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7336         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7337         * tree-vect-data-refs.c: New file.
7338         * tree-vect-patterns.c (timevar.h): Don't include.
7339         * tree-vect-stmts.c: New file.
7340         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7341         tree-vect-slp.c, tree-vect-loop.c.
7342         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7343         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7344         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7345         (tree-vect-analyze.o): Remove.
7346         (tree-vect-transform.o): Likewise.
7347         (tree-vect-data-refs.o): Add rule.
7348         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7349         tree-vect-slp.o): Likewise.
7350         (tree-vect-patterns.o): Remove redundant dependencies.
7351         (tree-vectorizer.o): Likewise.
7352         * tree-vect-slp.c: New file.
7353
7354 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7355
7356         * optc-gen.awk: Warn if an option flag has multiple different
7357         help strings.
7358
7359 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7360
7361         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7362         -floop-block): Document dependences on PPL, CLooG and Graphite.
7363
7364 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7365
7366         PR rtl-optimization/323
7367         * c-common.c (c_fully_fold, convert_and_check,
7368         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7369         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7370         * c-common.def (EXCESS_PRECISION_EXPR): New.
7371         * c-cppbuiltin.c (builtin_define_float_constants): Define
7372         constants with enough digits for long double.
7373         * c-lex.c (interpret_float): Interpret constant with excess
7374         precision where appropriate.
7375         * c-opts.c (c_common_post_options): Set
7376         flag_excess_precision_cmdline.  Give an error for
7377         -fexcess-precision=standard for C++ for processors where the
7378         option is significant.
7379         * c-parser.c (c_parser_conditional_expression): Handle excess
7380         precision in condition.
7381         * c-typeck.c (convert_arguments): Handle arguments with excess
7382         precision.
7383         (build_unary_op): Move excess precision outside operation.
7384         (build_conditional_expr): Likewise.
7385         (build_compound_expr): Likewise.
7386         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7387         (build_modify_expr): Handle excess precision in RHS.
7388         (convert_for_assignment): Handle excess precision in converted
7389         value.
7390         (digest_init, output_init_element, process_init_element): Handle
7391         excess precision in initializer.
7392         (c_finish_return): Handle excess precision in return value.
7393         (build_binary_op): Handle excess precision in operands and add
7394         excess precision as needed for operation.
7395         * common.opt (-fexcess-precision=): New option.
7396         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7397         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7398         For standard excess precision, output explicit conversion to and
7399         truncation from XFmode.
7400         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7401         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7402         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7403         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7404         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7405         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7406         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7407         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7408         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7409         define_splits, sqrt<mode>2): Disable where appropriate for
7410         standard excess precision.
7411         * convert.c (convert_to_real): Do not shorten arithmetic to type
7412         for which excess precision would be used.
7413         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7414         * doc/invoke.texi (-fexcess-precision=): Document option.
7415         (-mfpmath=): Correct index entry.
7416         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7417         flag_excess_precision): New.
7418         * langhooks.c (lhd_post_options): Set
7419         flag_excess_precision_cmdline.
7420         * opts.c (common_handle_option): Handle -fexcess-precision=.
7421         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7422         init_excess_precision): New.
7423         (lang_dependent_init_target): Call init_excess_precision.
7424         * tree.c (excess_precision_type): New.
7425         * tree.h (excess_precision_type): Declare.
7426
7427 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7428
7429         PR c/35235
7430         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7431         non-lvalue to component.
7432
7433 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7434
7435         PR preprocessor/34695
7436         * Makefile.in (c-opts.o): Depend on c-tree.h.
7437         * c-common.c: Move down include of diagnostic.h.
7438         (done_lexing, c_cpp_error): New.
7439         * c-common.h (done_lexing): Declare.
7440         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7441         (parse_in).
7442         * c-opts.c: Include c-tree.h.
7443         (c_common_init_options): Set preprocessor error callback.
7444         (c_common_handle_option): Do not set preprocessor
7445         inhibit_warnings, warnings_are_errors, warn_system_headers,
7446         pedantic_errors or inhibit_warnings flags.
7447         (c_common_post_options): Do not check cpp_errors (parse_in).
7448         (c_common_finish): Do not output dependencies if there were
7449         errors.  Do not check return value of cpp_finish.
7450         * c-ppoutput.c (pp_file_change): Set input_location.
7451         * c-tree.h (c_cpp_error): Declare.
7452         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7453         override_column.
7454         (diagnostic_build_prefix): Check override_column.
7455         * diagnostic.h (diagnostic_info): Add override_column field.
7456         (diagnostic_override_column): Define.
7457
7458 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7459
7460         * c-common.c (c_expand_expr, c_staticp): Remove.
7461         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7462         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7463         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7464         * c-gimplify.c (gimplify_compound_literal_expr,
7465         optimize_compound_literals_in_ctor): Remove.
7466         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7467         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7468         * c-semantics.c (emit_local_var): Remove.
7469
7470         * langhooks-def.h (lhd_expand_expr): Remove.
7471         * langhooks.c (lhd_expand_expr): Remove.
7472         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7473
7474         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7475         handling from c-semantics.c; don't call into langhook.
7476         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7477         * gimplify.c (gimplify_compound_literal_expr,
7478         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7479         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7480         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7481         as was done in c-gimplify.c.
7482         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7483         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7484         Move from c-common.h.
7485         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7486
7487         * tree.c (staticp): Do not call langhook.
7488         * langhooks.c (lhd_staticp): Delete.
7489         * langhooks-def.h (lhd_staticp): Delete prototype.
7490         (LANG_HOOKS_STATICP): Delete.
7491         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7492
7493         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7494         instead of DECL_STMTs.
7495
7496 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7497
7498         PR c/456
7499         PR c/5675
7500         PR c/19976
7501         PR c/29116
7502         PR c/31871
7503         PR c/35198
7504         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7505         void_type_node.
7506         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7507         contained expression.
7508         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7509         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7510         conditional expressions for C.
7511         (decl_constant_value_for_optimization): Move from
7512         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7513         whether optimizing and that the expression is a VAR_DECL not of
7514         array type instead of doing such checks in the caller.  Do not
7515         check pedantic.  Call gcc_unreachable for C++.
7516         * c-common.def (C_MAYBE_CONST_EXPR): New.
7517         * c-common.h (c_fully_fold, c_save_expr,
7518         decl_constant_value_for_optimization): New prototypes.
7519         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7520         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7521         EXPR_INT_CONST_OPERANDS): Define.
7522         * c-convert.c (convert): Strip nops from expression.
7523         * c-decl.c (groktypename): Take extra parameters expr and
7524         expr_const_operands.  Update call to grokdeclarator.
7525         (start_decl): Update call to grokdeclarator.  Add statement for
7526         expressions used in type of decl.
7527         (grokparm): Update call to grokdeclarator.
7528         (push_parm_decl): Update call to grokdeclarator.
7529         (build_compound_literal): Add parameter non_const and build a
7530         C_MAYBE_COSNT_EXPR if applicable.
7531         (grokdeclarator): Take extra parameters expr and
7532         expr_const_operands.  Track expressions used in declaration
7533         specifiers and declarators.  Fold array sizes and track whether
7534         they are constant expressions and whether they are integer
7535         constant expressions.
7536         (parser_xref_tag): Set expr and expr_const_operands fields in
7537         return value.
7538         (grokfield): Update call to grokdeclarator.
7539         (start_function): Update call to grokdeclarator.
7540         (build_null_declspecs): Set expr and expr_const_operands fields in
7541         return value.
7542         (declspecs_add_type): Handle expressions in typeof specifiers.
7543         * c-parser.c (c_parser_declspecs): Set expr and
7544         expr_const_operands fields for declaration specifiers.
7545         (c_parser_enum_specifier): Likewise.
7546         (c_parser_struct_or_union_specifier): Likewise.
7547         (c_parser_typeof_specifier): Likewise.  Update call to
7548         groktypename.  Fold expression as needed.  Return expressions with
7549         type instead of adding statements.
7550         (c_parser_attributes): Update calls to c_parser_expr_list.
7551         (c_parser_statement_after_labels): Fold expression before passing
7552         to objc_build_throw_stmt.
7553         (c_parser_condition): Fold expression.
7554         (c_parser_asm_operands): Fold expression.
7555         (c_parser_conditional_expression): Use c_save_expr.  Update call
7556         to build_conditional_expr.
7557         (c_parser_alignof_expression): Update call to groktypename.
7558         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7559         original_code.  Fold expression argument of va_arg.  Create
7560         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7561         argument to va_arg.  Update calls to groktypename.  Fold array
7562         index for offsetof.  Verify that first argument to
7563         __builtin_choose_expr has integer type.
7564         (c_parser_postfix_expression_after_paren_type): Update calls to
7565         groktypename and build_compound_literal.  Handle expressions with
7566         side effects in type name.
7567         (c_parser_postfix_expression_after_primary): Update call to
7568         c_parser_expr_list.  Set original_code for calls to
7569         __builtin_constant_p.
7570         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7571         expressions if requested.
7572         (c_parser_objc_type_name): Update call to groktypename.
7573         (c_parser_objc_synchronized_statement): Fold expression.
7574         (c_parser_objc_receiver): Fold expression.
7575         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7576         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7577         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7578         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7579         (struct c_typespec): Add elements expr and expr_const_operands.
7580         (struct c_declspecs): Add elements expr and expr_const_operands.
7581         (groktypename, build_conditional_expr, build_compound_literal):
7582         Update prototypes.
7583         (in_late_binary_op): Declare.
7584         * c-typeck.c (note_integer_operands): New function.
7585         (in_late_binary_op): New variable.
7586         (decl_constant_value_for_broken_optimization): Move to c-common.c
7587         and rename to decl_constant_value_for_optimization.
7588         (default_function_array_conversion): Do not strip nops.
7589         (default_conversion): Do not call
7590         decl_constant_value_for_broken_optimization.
7591         (build_array_ref): Do not fold result.
7592         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7593         result when operand is a VLA.
7594         (c_expr_sizeof_type): Update call to groktypename.  Handle
7595         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7596         result when operand names a VLA type.
7597         (build_function_call): Update call to build_compound_literal.
7598         Only fold result for calls to __builtin_* functions.  Strip
7599         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7600         the function designator.
7601         (convert_arguments): Fold arguments.  Update call to
7602         convert_for_assignment.
7603         (build_unary_op): Handle increment and decrement of
7604         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7605         decrement earlier.  Fold operand of increment and decrement.
7606         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7607         built for integer operand.  Wrap returns that are INTEGER_CSTs
7608         without being integer constant expressions or that have integer
7609         constant operands without being INTEGER_CSTs.
7610         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7611         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7612         result is an integer constant expression or can be used in
7613         unevaluated parts of one and avoid folding and wrap as
7614         appropriate.  Fold operands before possibly doing -Wsign-compare
7615         warnings.
7616         (build_compound_expr): Wrap result for C99 if operands can be used
7617         in integer constant expressions.
7618         (build_c_cast): Update call to digest_init.  Do not ignore
7619         overflow from casting floating-point constants to integers.  Wrap
7620         results that could be confused with integer constant expressions,
7621         null pointer constants or floating-point constants.
7622         (c_cast_expr): Update call to groktypename.  Handle expressions
7623         included in type name.
7624         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7625         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7626         Update calls to convert_for_assignment.
7627         (convert_for_assignment): Take new parameter
7628         null_pointer_constant.  Do not strip nops or call
7629         decl_constant_value_for_broken_optimization.  Set
7630         in_late_binary_op for conversions to boolean.
7631         (store_init_value): Update call to digest_init.
7632         (digest_init): Take new parameter null_pointer_constant.  Do not
7633         call decl_constant_value_for_broken_optimization.  pedwarn for
7634         initializers not constant expressions.  Update calls to
7635         convert_for_assignment.
7636         (constructor_nonconst): New.
7637         (struct constructor_stack): Add nonconst element.
7638         (really_start_incremental_init, push_init_level, pop_init_level):
7639         Handle constructor_nonconst and nonconst element.
7640         (set_init_index): Call constant_expression_warning for array
7641         designators.
7642         (output_init_element): Fold value.  Set constructor_nonconst as
7643         applicable.  pedwarn for initializers not constant expressions.
7644         Update call to digest_init.  Call constant_expression_warning
7645         where constant initializers are required.
7646         (process_init_element): Use c_save_expr.
7647         (c_finish_goto_ptr): Fold expression.
7648         (c_finish_return): Fold return value.  Update call to
7649         convert_for_assignment.
7650         (c_start_case): Fold switch expression.
7651         (c_process_expr_stmt): Fold expression.
7652         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7653         ensure statement expression is not evaluated in constant expression.
7654         (build_binary_op): Track whether results are integer constant
7655         expressions or may occur in such, disable folding and wrap results
7656         as applicable.  Fold operands for -Wsign-compare warnings unless
7657         in_late_binary_op.
7658         (c_objc_common_truthvalue_conversion): Handle results folded to
7659         integer constants that are not integer constant expressions.
7660         * doc/extend.texi: Document when typeof operands are evaluated,
7661         that condition of __builtin_choose_expr is an integer constant
7662         expression, and more about use of __builtin_constant_p in
7663         initializers.
7664
7665 2009-03-29  Richard Guenther  <rguenther@suse.de>
7666
7667         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7668         propagate addresses of array references.
7669
7670 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7671
7672         * regmove.c (perhaps_ends_bb_p): Remove.
7673         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7674         from INSN and check that the main loop stays within that basic block.
7675         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7676         (regmove_forward_pass): Split out from regmove_optimize.  Use
7677         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7678         (regmove_backward_pass): Split out from regmove_optimize.  Use
7679         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7680         (regmove_optimize): Simplify.
7681
7682 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7683
7684         PR target/39545
7685         * config/i386/i386.c (classify_argument): Ignore flexible array
7686         member in struct and warn ABI change.
7687
7688 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7689
7690         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7691
7692         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7693         (ix86_adjust_cost): Updated.
7694
7695 2009-03-29  Jan Hubicka  <jh@suse.cz>
7696
7697         PR middle-end/28850
7698         * tree-pass.h (pass_cleanup_eh): New function.
7699         (remove_unreachable_regions): Break code handling RTL
7700         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7701         that can not be reached by runtime.
7702         (can_be_reached_by_runtime): New function.
7703         (label_to_region_map): New function.
7704         (num_eh_regions): New function.
7705         (rtl_remove_unreachable_regions): New function.
7706         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7707         (remove_eh_region): New function.
7708         * except.h: Include sbitmap and vecprim.
7709         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7710         num_eh_regions): Declare.
7711         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7712         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7713         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7714         (tree_empty_eh_handler_p): New function.
7715         (cleanup_empty_eh): New function.
7716         (cleanup_eh): New function.
7717         (pass_cleanup_eh): New function.
7718
7719 2009-03-29  Jan Hubicka  <jh@suse.cz>
7720
7721         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7722         for removed regions.
7723
7724 2009-03-29  Jan Hubicka  <jh@suse.cz>
7725
7726         * except.c (dump_eh_tree): Dump all datastructures.
7727
7728 2009-03-29  Jan Hubicka  <jh@suse.cz>
7729
7730         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7731         (duplicate_eh_regions_1): Likewise.
7732         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7733         vector; call EH verification.
7734         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7735         Be ready for region being removed.
7736
7737 2009-03-29  Jan Hubicka  <jh@suse.cz>
7738
7739         * bitmap.c (bitmap_last_set_bit): New function.
7740         * bitmap.h (bitmap_last_set_bit): Declare.
7741
7742 2009-03-29  David Ayers  <ayers@fsfe.org>
7743
7744         PR objc/27377
7745         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7746         by calling objc_compare_types and surpress warnings about
7747         incompatible C pointers that are compatible ObjC pointers.
7748
7749 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7750
7751         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7752         call initialize_inline_failed.
7753         (initialize_inline_failed): Move it from here ...
7754         * cgraph.c (initialize_inline_failed): ... to here.
7755         (cgraph_create_edge): Call initialize_inline_failed rather than
7756         setting inline_failed directly.
7757
7758 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7759
7760         PR target/32542
7761         * sysv4.opt (msdata): Improve comment.
7762         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7763         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7764
7765 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7766
7767         PR target/30451
7768         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7769         load and store attributes.
7770
7771 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7772
7773         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7774         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7775         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7776         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7777         __builtin_infq and __builtin_huge_valq.
7778
7779 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7780
7781         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7782         atmega8m1 devices.
7783         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7784         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7785
7786 2009-03-28  Xinliang David Li  <davidxl@google.com>
7787
7788         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7789         (do_dbg_cnt): New function.
7790
7791 2009-03-28  Jan Hubicka  <jh@suse.cz>
7792
7793         Merge from pretty-ipa:
7794
7795         2009-03-27  Jan Hubicka  <jh@suse.cz>
7796
7797         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7798         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7799         * passes.c (function_called_by_processed_nodes_p): New.
7800         * ipa-pure-const.c (check_call): Fix handling of operands.
7801         (analyze_function): Dump debug output for skipped bodies.
7802         (local_pure_const): Use function_called_by_processed_nodes_p.
7803         * dwarf2out.c (reference_to_unused): Use output.
7804         * passes.c (do_per_function_toporder): Likewise.
7805
7806         2008-11-12  Jan Hubicka  <jh@suse.cz>
7807
7808         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7809         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7810         state_set_in_source enum
7811         (check_decl): Ignore memory tags; do not set fake looping flags;
7812         dump diagnostics.
7813         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7814         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7815         (check_call, analyze_function): Rewrite.
7816         (check_stmt): New.
7817         (add_new_function): Update call of analyze_function.
7818         (generate_summary): Add call of analyze_function.
7819         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7820         (local_pure_const): New function.
7821         (pass_local_pure_const): New pass.
7822         * ipa-inline.c (inline_transform): Set after_inlining.
7823         * tree-eh.c (stmt_can_throw_external): New.
7824         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7825         work with aliasing built.
7826         * tree-flow.h (stmt_can_throw_external): New.
7827         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7828         and local pure/const pass in early and late optimization queue.
7829
7830 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7831
7832         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7833         allow_func_align.
7834         (fold_binary): Allow function decl aligment consideration is the
7835         second argument is integer constant one.
7836         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7837         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7838         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7839
7840 2009-03-28  Jan Hubicka  <jh@suse.cz>
7841
7842         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7843         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7844         * function.h (rtl_data): Add nothrow flag.
7845         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7846         set DECL_NOTHROW for AVAILABLE functions.
7847
7848 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7849
7850         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7851         following vector keyword has expansion starting with pixel or bool
7852         keyword, expand vector to __vector and pixel or bool to __pixel or
7853         __bool.
7854
7855         PR c++/39554
7856         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7857         warn_if_disallowed_function_p): Removed.
7858         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7859         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7860         warning_if_disallowed_function_p.
7861         * flags.h (warn_if_disallowed_function_p,
7862         warn_disallowed_functions): Removed.
7863         * common.opt (Wdisallowed-function-list=): Removed.
7864         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7865
7866 2009-03-28  Richard Guenther  <rguenther@suse.de>
7867
7868         PR tree-optimization/38723
7869         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7870         the entry block.
7871
7872 2009-03-28  Jan Hubicka  <jh@suse.cz>
7873
7874         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7875         test introduced by my previous patch.
7876
7877 2009-03-28  Richard Guenther  <rguenther@suse.de>
7878
7879         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7880         the PHIs value undefined.
7881
7882 2009-03-28  Jan Hubicka  <jh@suse.cz>
7883
7884         * tree-pass.h (pass_fixup_cfg): New pass.
7885         * ipa-inline.c (inline_transform): Set
7886         always_inline_functions_inlined/after_inlining.
7887         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7888         (pass_fixup_cfg): New pass.
7889         * passes.c (init_optimization_passes): Add fixup_cfg.
7890
7891 2009-03-28  Richard Guenther  <rguenther@suse.de>
7892
7893         PR tree-optimization/38458
7894         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7895         argument use the arguments copy-of value.
7896
7897 2009-03-28  Richard Guenther  <rguenther@suse.de>
7898
7899         PR tree-optimization/38180
7900         * tree-ssa-ccp.c (get_default_value): Simplify.
7901         (likely_value): Likewise.
7902         (surely_varying_stmt_p): Properly handle VOP case.
7903         (ccp_initialize): Likewise.
7904         (ccp_fold): Handle propagating through *&.
7905         (fold_const_aggregate_ref): Also handle decls.
7906
7907 2009-03-28  Jan Hubicka  <jh@suse.cz>
7908
7909         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7910         * cgraph.h (cgraph_node): Likewise.
7911         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7912         (cgraph_reset_node): Use process flag.
7913         (cgraph_mark_functions_to_output): Likewise.
7914         (cgraph_expand_function): Likewise.
7915         (cgraph_expand_all_functions): Likewise.
7916         (cgraph_output_in_order): Likewise.
7917         * dwarf2out.c (reference_to_unused): Likewise.
7918         * passes.c do_per_function_toporder): Likewise.
7919
7920 2009-03-28  Jan Hubicka  <jh@suse.cz>
7921
7922         Bring from lto-branch:
7923
7924         2008-09-03  Doug Kwan  <dougkwan@google.com>
7925
7926         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7927         enums instead of reason strings.
7928         * cgraph.c (cgraph_create_edge): Same.
7929         (cgraph_inline_failed_string): New function.
7930         * cgraph.h (cgraph_inline_failed_t): New enum type.
7931         (cgraph_inline_failed_string): New prototype.
7932         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7933         char pointer to cgraph_inline_failed_t.
7934         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7935         (cgraph_default_inline_p): Ditto.
7936         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7937         to cgraph_inline_failed_t pointer.
7938         * cif-code.def: New file.
7939         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7940         reason string.
7941         (cgraph_check_inline_limits): Change type of REASON to pointer to
7942         cgraph_inline_failed_t.  Replace reason strings with enums.
7943         (cgraph_default_inline_p): Ditto.
7944         (cgraph_recursive_inlining_p): Ditto.
7945         (update_caller_keys): Change type of FAILED_REASON to
7946         cgraph_inline_failed_t.
7947         (cgraph_set_inline_failed): Change type of REASON to pointer to
7948         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7949         convert enums to strings for text output.
7950         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7951         to be of type cgraph_inline_failed_t.  Replace reason strings with
7952         enums.  Call cgraph_inline_failed_string to covert enums
7953         to strings for text output.
7954         (cgraph_decide_inlining): Replace reason strings with enums.
7955         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7956         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7957         for text output.
7958         * tree-inline.c (expand_call_inline): Change type of REASON
7959         to cgraph_inline_failed_t.  Replace reason strings with enums.
7960         Call cgraph_inline_failed_string for text output.
7961         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7962         (cgraph.o): Ditto.
7963
7964 2009-03-28  Jan Hubicka  <jh@suse.cz>
7965
7966         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7967         cgraph_clone_node): Remove master clone handling.
7968         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7969         * cgraph.h (master_clone): Remove.
7970         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7971         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7972         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7973
7974 2009-03-28  Jan Hubicka  <jh@suse.cz>
7975
7976         * cgraph.c (cgraph_function_body_availability): Functions declared
7977         inline are always safe to assume that it is not going to be replaced.
7978
7979 2009-03-28  Richard Guenther  <rguenther@suse.de>
7980
7981         PR tree-optimization/38513
7982         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7983         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7984         EXC_PTR_EXPR and FILTER_EXPR.
7985         (get_ref_from_reference_ops): Likewise.
7986
7987 2009-03-28  Richard Guenther  <rguenther@suse.de>
7988
7989         PR tree-optimization/38968
7990         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7991         Use FLOOR_MOD_EXPR to compute misalignment.
7992
7993 2009-03-28  Richard Guenther  <rguenther@suse.de>
7994
7995         PR tree-optimization/37795
7996         * tree.h (combine_comparisons): Declare.
7997         * fold-const.c (combine_comparisons): Export.
7998         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
7999         comparisons.
8000         (ifcombine_iforif): Use combine_comparisons.
8001
8002 2009-03-28  Jan Hubicka  <jh@suse.cz>
8003
8004         * tree-eh.c (inlinable_call_p): New function.
8005         (make_eh_edges): Use it.
8006         (verify_eh_edges): Use it.
8007         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8008         * except.c (reachable_next_level): Add inlinable_function argument
8009         (sjlj_find_directly_reachable_regions): Update.
8010         (add_reachable_handler): Do not set saw_any_handlers.
8011         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8012         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8013         Add new inlinable call parameter.
8014         (can_throw_internal, can_throw_external): Update.
8015         * except.h (can_throw_internal_1, can_throw_external_1,
8016         foreach_reachable_handler): Update declaration.
8017
8018 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8019
8020         * config/arm/t-arm-coff, config/h8300/coff.h,
8021         config/i386/i386-aout.h, config/i386/i386-coff.h,
8022         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8023         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8024         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8025         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8026         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8027         sys-types.h: Remove.
8028         * Makefile.in: Remove protoize and fixproto support and references
8029         in comments.
8030         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8031         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8032         Remove.
8033         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8034         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8035         unprotoize$(exeext).
8036         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8037         (.PHONY): Don't depend on proto.
8038         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8039         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8040         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8041         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8042         build/gen-protos.o, build/scan.o, xsys-protos.h,
8043         build/fix-header$(build_exeext), build/fix-header.o,
8044         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8045         stmp-install-fixproto): Remove.
8046         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8047         SYSCALLS.c or fixproto files.
8048         (install-common): Don't install protoize.
8049         (install-headers-tar, install-headers-cpio, install-headers-cp):
8050         Don't depend on $(STMP_FIXPROTO).
8051         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8052         install fixproto files or write out fixproto settings.
8053         (uninstall): Don't uninstall protoize.
8054         * config.gcc (use_fixproto): Remove.
8055         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8056         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8057         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8058         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8059         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8060         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8061         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8062         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8063         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8064         * config/t-vxworks (STMP_FIXPROTO): Remove.
8065         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8066         STMP_FIXPROTO): Remove.
8067         * config.in, configure: Regenerate.
8068         * crtstuff.c (gid_t, uid_t): Don't undefine.
8069         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8070         (arm-*-coff, arm-*-aout: Remove target entries.
8071         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8072         Remove mention of AIX 4.1.
8073         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8074         * doc/invoke.texi (Running Protoize): Remove.
8075         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8076         (Protoize Caveats): Remove.
8077         * tsystem.h: Update comments on headers assumed to exist.
8078
8079 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8080
8081         * genautomata.c: Add a new year to the copyright.  Add a new
8082         reference.
8083         (struct insn_reserv_decl): Add comments for member bypass_list.
8084         (find_bypass): Remove.
8085         (insert_bypass): New.
8086         (process_decls): Use insert_bypass.
8087         (output_internal_insn_latency_func): Output all bypasses with the
8088         same input insn in one switch case.
8089
8090         * rtl.def (define_bypass): Describe bypass choice.
8091         * doc/md.texi (define_bypass): Ditto.
8092
8093 2009-03-27  Richard Guenther  <rguenther@suse.de>
8094
8095         * gimplify.c (mark_addressable): Export.
8096         * tree-flow.h (mark_addressable): Declare.
8097         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8098         * tree-ssa.c (verify_phi_args): Verify that address taken
8099         variables have TREE_ADDRESSABLE set.
8100
8101 2009-03-27  Richard Guenther  <rguenther@suse.de>
8102
8103         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8104         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8105         Do not mark decls TREE_ADDRESSABLE.
8106         (build_fold_addr_expr): Adjust.
8107         (fold_addr_expr): Remove.
8108         (fold_unary): Use build_fold_addr_expr.
8109         (fold_comparison): Likewise.
8110         (split_address_to_core_and_offset): Likewise.
8111         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8112         TREE_ADDRESSABLE.
8113         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8114         (gimplify_modify_expr_to_memcpy): Mark source and destination
8115         addressable.
8116         * omp-low.c (create_omp_child_function): Mark the object decl
8117         TREE_ADDRESSABLE.
8118         (lower_rec_input_clauses): Mark the var we take the address of
8119         TREE_ADDRESSABLE.
8120         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8121
8122 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8123
8124         PR middle-end/39315
8125         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8126         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8127
8128 2009-03-27  Richard Guenther  <rguenther@suse.de>
8129
8130         PR tree-optimization/39120
8131         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8132         constraints.
8133         (handle_lhs_call): Process return constraints.  Add escape
8134         constraints if necessary.
8135         (handle_const_call): Fill out return constraints.  Make nested
8136         case more precise.  Avoid consttmp if possible.
8137         (handle_pure_call): Fill out return constraints.  Avoid
8138         callused if possible.
8139         (find_func_aliases): Simplify call handling.
8140
8141 2009-03-27  Richard Guenther  <rguenther@suse.de>
8142
8143         PR tree-optimization/39120
8144         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8145         as a representative.
8146         (solve_graph): Do propagate CALLUSED.
8147         (handle_pure_call): Use a scalar constraint from CALLUSED for
8148         the return value.
8149         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8150         solutions.
8151
8152 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8153
8154         PR c/39323
8155         * c-common.c (handle_aligned_attribute): Properly check alignment
8156         overflow.  Use (1U << i) instead of (1 << i).
8157
8158         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8159
8160         * expr.h (get_mem_align_offset): Updated.
8161
8162         * tree.h (tree_decl_common): Change align to "unsigned int" and
8163         move it before pointer_alias_set.
8164
8165 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8166             Jakub Jelinek  <jakub@redhat.com>
8167
8168         PR target/38034
8169         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8170         gr_register_operand with gr_reg_or_0_operand.
8171         (cmpxchg_rel_di): Likewise.
8172         (sync_lock_test_and_set<mode>): Likewise.
8173
8174 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8175
8176         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8177         (true_regnum): Likewise.
8178
8179         * rtlanal.c (subreg_info): Moved to ...
8180         * rtl.h (subreg_info): Here.  New.
8181         (subreg_get_info): New.
8182
8183         * rtlanal.c (subreg_get_info): Make it extern.
8184
8185 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8186
8187         PR target/39472
8188         * config/i386/i386.c (ix86_abi): New.
8189         (override_options): Handle -mabi=.
8190         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8191         (ix86_call_abi_override): Likewise.
8192         (init_cumulative_args): Likewise.
8193         (function_arg_advance): Likewise.
8194         (function_arg_64): Likewise.
8195         (function_arg): Likewise.
8196         (ix86_pass_by_reference): Likewise.
8197         (ix86_function_value_regno_p): Likewise.
8198         (ix86_build_builtin_va_list_abi): Likewise.
8199         (setup_incoming_varargs_64): Likewise.
8200         (is_va_list_char_pointer): Likewise.
8201         (ix86_init_machine_status): Likewise.
8202         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8203         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8204         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8205         (ix86_function_abi): Make it static and return enum calling_abi.
8206         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8207         with ix86_abi.
8208         (ix86_fn_abi_va_list): Updated.
8209
8210         * config/i386/i386.h (ix86_abi): New.
8211         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8212         (CONDITIONAL_REGISTER_USAGE): Likewise.
8213         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8214         (machine_function): Likewise.
8215
8216         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8217         with ix86_abi.
8218         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8219         (STACK_BOUNDARY): Likewise.
8220         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8221
8222         * config/i386/i386.opt (mabi=): New.
8223
8224         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8225         return enum calling_abi.
8226         (ix86_function_type_abi): Likewise.
8227         (ix86_function_abi): Removed.
8228
8229         * doc/invoke.texi: Document -mabi= option for x86.
8230
8231 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8232
8233         * builtins.c (real_dconstp): Delete.
8234         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8235
8236 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8237             Jakub Jelinek  <jakub@redhat.com>
8238
8239         PR debug/37959
8240         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8241         (gen_subprogram_die): When a function is explicit, generate the
8242         DW_AT_explicit attribute.
8243         * langhooks.h (struct lang_hooks_for_decls): Add
8244         function_decl_explicit_p langhook.
8245         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8246         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8247
8248 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8249
8250         * builtins.c (fold_builtin_memory_op): Optimize memmove
8251         into memcpy if we can prove source and destination don't overlap.
8252
8253         * tree-inline.c: Include gt-tree-inline.h.
8254         (clone_fn_id_num): New variable.
8255         (clone_function_name): New function.
8256         (tree_function_versioning): Use it.
8257         * Makefile.in (GTFILES): Add tree-inline.c.
8258
8259 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8260
8261         * BASE-VER: Change to 4.5.0.
8262
8263 2009-03-27  Xinliang David Li  <davidxl@google.com>
8264
8265         PR tree-optimization/39557
8266         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8267
8268 2009-03-27  Xinliang David Li  <davidxl@google.com>
8269
8270         PR tree-optimization/39548
8271         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8272         candidate check.
8273
8274 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8275
8276         * c-common.c (pointer_int_sum): Use %wd on return from
8277         tree_low_cst.
8278
8279 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8280
8281         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8282         on return from tree_low_cst.
8283
8284 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8285
8286         PR c++/36799
8287         * ginclude/stdarg.h (va_copy): Define also for
8288         __GXX_EXPERIMENTAL_CXX0X__.
8289
8290 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8291
8292         PR c++/35652
8293         * builtins.h (c_strlen): Do not warn here.
8294         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8295         * c-common.c (pointer_int_sum): Take an explicit location.
8296         Warn about offsets out of bounds.
8297         * c-common.h (pointer_int_sum): Adjust declaration.
8298
8299 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8300
8301         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8302         markup glitch.
8303
8304 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8305
8306         PR c++/39554
8307         * opts.c (warn_if_disallowed_function_p): Don't assume
8308         get_callee_fndecl must return non-NULL.
8309
8310 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8311
8312         PR rtl-optimization/39522
8313         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8314         when reg_reloaded_valid is set.
8315
8316 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8317
8318         * config/spu/divv2df3.c: New file.
8319         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8320         (DPBIT_FUNCS): Filter out _div_df.
8321
8322 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8323
8324         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8325         a jump insn, count that jump in the distance to the loop start.
8326
8327 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8328
8329         PR target/39523
8330         * config/sh/sh.c (calc_live_regs): Fix condition for global
8331         registers except PIC_OFFSET_TABLE_REGNUM.
8332
8333 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8334
8335         PR/39518
8336         * doc/invoke.texi (-mconsole): New.
8337         (-mcygwin): New.
8338         (-mno-cygwin): New.
8339         (-mdll): New.
8340         (-mnop-fun-dllimport): New.
8341         (-mthread): New.
8342         (-mwin32): New.
8343         (-mwindows): New.
8344         (sub section "i386 and x86-64 Windows Options"): New.
8345
8346 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8347
8348         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8349         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8350
8351 2009-03-25  Richard Guenther  <rguenther@suse.de>
8352
8353         PR middle-end/39497
8354         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8355         of -Wno-error.
8356
8357 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8358
8359         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8360         neither of haifa/selective schedulers are working.
8361
8362 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8363
8364         * doc/invoke.texi (Debugging Options): Fix description of
8365         -fno-merge-debug-strings.
8366
8367 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8368
8369         * config/cris/libgcc.ver: New version-script.
8370         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8371
8372         * configure.ac <GAS features, nop mnemonic>: Add pattern
8373         crisv32-*-* for "nop".
8374         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8375         * configure: Regenerate.
8376
8377 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8378
8379         PR tree-optimization/39529
8380         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8381         mark_sym_for_renaming for the tag copied to the new vector
8382         pointer.
8383
8384 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8385
8386         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8387         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8388         EXTRA_SPEC_FUNCTIONS.
8389         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8390         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8391         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8392         -march and -mtune options.
8393
8394 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8395
8396         * config/m68k/t-rtems: Add m5329 multilib.
8397
8398 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8399             Jakub Jelinek  <jakub@redhat.com>
8400
8401         PR debug/39524
8402         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8403         nodes.
8404
8405 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8406
8407         PR c/39495
8408         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8409         instead of c_parser_expression_conv, if original_code isn't one of the
8410         4 allowed comparison codes, fail.
8411
8412 2009-03-23  Richard Guenther  <rguenther@suse.de>
8413
8414         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8415         * tree.h (struct tree_type): Likewise.
8416         * reload.h (struct insn_chain): Likewise.
8417         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8418         * function.h (struct function): Likewise.
8419         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8420
8421 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8422
8423         PR tree-optimization/39516
8424         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8425
8426 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8427
8428         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8429         should be set true if BITS_PER_WORD of target is bigger than 32
8430
8431 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8432
8433         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8434         Translate -B-options to -rpath-link.  Correct existing
8435         rpath-link and conditionalize on !nostdlib.
8436
8437 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8438
8439         * doc/extend.texi (Function Attributes, Variable Attributes):
8440         Fix typos.
8441         * doc/invoke.texi (Debugging Options, Optimize Options)
8442         (i386 and x86-64 Options, MCore Options): Likewise.
8443
8444 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8445
8446         PR debug/37890
8447         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8448         it for block local namespace aliases.
8449         (gen_decl_die): Pass context_die to gen_namespace_die.
8450
8451 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8452
8453         PR c/39495
8454         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8455         minimum or maximum value.
8456
8457 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8458
8459         * reginfo.c (globalize_reg): Recompute derived reg sets.
8460
8461 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8462
8463         PR target/39063
8464         * libgcc2.c (mprotect): Do not use signed arguments for
8465         VirtualProtect, use DWORD arguments.  Also fix the 'may
8466         be used uninitialized' warning for the np variable.
8467
8468 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8469
8470         PR target/39496
8471         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8472         functions using regparm calling conventions when not optimizing.
8473         (ix86_function_sseregparm): Similarly for sseregparm calling
8474         conventions.
8475
8476 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8477
8478         PR middle-end/39500
8479         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8480         dependence if the first conflict is after niter iterations.
8481
8482 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8483
8484         PR middle-end/38609
8485         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8486         functions with dynamic stack-pointer adjustments.
8487
8488 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8489
8490         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8491         option; change to -msdata=data.
8492
8493 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8494
8495         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8496         and -fopenmp.
8497
8498 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8499
8500         PR target/35180
8501         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8502
8503 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8504
8505         * doc/invoke.texi (Code Gen Options): Expand discussion of
8506         -fno-common.
8507
8508 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8509
8510         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8511         * matrix-reorg.c (struct matrix_info): Likewise.
8512         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8513         * rtl.h (struct mem_attrs): Likewise.
8514         * df.h (struct df): Likewise.
8515         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8516         * ira-int.h (struct ira_allocno): Likewise.
8517         * df-scan.c (struct df_collection_rec): Likewise.
8518         * ira.c (struct equivalence): Likewise.
8519         * function.c (struct temp_slot): Likewise.
8520         * cfgloop.h (struct loop): Likewise.
8521
8522         PR debug/39485
8523         * function.c (use_register_for_decl): When not optimizing, disregard
8524         register keyword for variables with types containing methods.
8525
8526 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8527
8528         PR middle-end/39447
8529         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8530         (is_simple_operand): Call contains_component_ref_p before calling data
8531         reference analysis that would fail on COMPONENT_REFs.
8532
8533         * tree-vrp.c (search_for_addr_array): Fix formatting.
8534
8535 2009-03-18  Richard Guenther  <rguenther@suse.de>
8536
8537         * tree-vect-transform.c (vect_loop_versioning): Fold the
8538         generated comparisons.
8539         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8540         (slpeel_tree_peel_loop_to_edge): Likewise.
8541
8542 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8543
8544         PR middle-end/37805
8545         * opts.c (print_specific_help): In addition to `undocumented',
8546         accept `separate' and `joined' flags if passed alone.  Describe
8547         output by the first matched one of those.
8548         (common_handle_option): Skip over empty strings.
8549         * gcc.c (display_help): Fix help string for `--help='.
8550         * doc/invoke.texi (Option Summary, Overall Options): With
8551         `--help=', classes and qualifiers can both be repeated, but
8552         only the latter can be negated.  One should not pass only
8553         negated qualifiers.  Fix markup and examples.
8554
8555         Revert
8556         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8557         PR middle-end/37805
8558         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8559         and -fhelp=separate.
8560
8561 2009-03-17  Jing Yu  <jingyu@google.com>
8562
8563         PR middle-end/39378
8564         * function.h (struct rtl_data): Move is_thunk from here...
8565         (struct function): ...to here.
8566         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8567         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8568         cfun.
8569         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8570         cfun.
8571         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8572         (alpha_output_function_end_prologue): Likewise.
8573         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8574         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8575         (rs6000_output_function_epilogue): Likewise.
8576         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8577
8578 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8579
8580         PR target/39482
8581         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8582         from different units in a single alternative.
8583         (*truncdfsf_i387): Ditto.
8584         (*truncxfsf2_mixed): Ditto.
8585         (*truncxfdf2_mixed): Ditto.
8586
8587 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8588
8589         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8590         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8591
8592         PR debug/39474
8593         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8594         unused non-artificial variables when not optimizing.
8595
8596         PR debug/39471
8597         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8598         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8599         NAMESPACE_DECL in its DECL_INITIAL.
8600
8601         PR middle-end/39443
8602         * optabs.c (set_user_assembler_libfunc): New function.
8603         * expr.h (set_user_assembler_libfunc): New prototype.
8604         * c-common.c: Include libfuncs.h.
8605         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8606         for memcmp, memset, memcpy, memmove and abort.
8607         * Makefile.in (c-common.o): Depend on libfuncs.h.
8608
8609         PR debug/39412
8610         * dwarf2out.c (gen_inlined_enumeration_type_die,
8611         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8612         gen_tagged_type_instantiation_die): Removed.
8613         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8614         do nothing.
8615
8616 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8617
8618         PR testsuite/38526
8619         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8620         its use.
8621         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8622         (check-parallel-%): Ditto.
8623         (check-consistency): Ditto.
8624
8625 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8626
8627         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8628         local variable rhs by NULL_TREE.
8629
8630 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8631
8632         PR target/39477
8633         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8634
8635 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8636
8637         PR target/39476
8638         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8639
8640 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8641
8642         PR target/39473
8643         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8644         for ms->sysv ABI calls only in 64bit mode.
8645
8646         * config/i386/i386.md (untyped_call): Support 32bit.
8647
8648 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8649
8650         * doc/extend.texi: Replace x86_65 with x86_64.
8651
8652 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8653
8654         PR tree-optimization/39455
8655         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8656         mismatches for POINTER_TYPE_P (type).
8657         (number_of_iterations_le): Likewise.
8658
8659 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8660
8661         * config/picochip/picochip.c: Removed profiling support.
8662         * config/picochip/picochip.md: Removed profiling instruction.
8663         * config/picochip/picochip.h: Removed profiling builtin.
8664
8665 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8666
8667         * doc/install.texi (--with-host-libstdcxx): Document.
8668
8669 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8670
8671         PR target/34299
8672         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8673         generate a warning if the function name does not begin with
8674         "__vector" and the function has either the 'signal' or 'interrupt'
8675         attribute, from here to ...
8676         (avr_declare_function_name): ...here. New function.
8677         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8678         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8679
8680 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8681
8682         PR bootstrap/39454
8683         * cse.c (fold_rtx): Don't modify original const_arg1 when
8684         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8685         separate variable instead.
8686         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8687         from out of range shift counts.
8688         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8689
8690 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8691
8692         * config/i386/x-mingw32 (host-mingw32.o): Replace
8693         diagnostic.h with $(DIAGNOSTIC_H).
8694
8695 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8696
8697         PR target/39431
8698         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8699         predicate.
8700         * config/i386/sync.md (sync_compare_and_swap<mode>,
8701         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8702         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8703         into a register.
8704         (sync_double_compare_and_swapdi_pic,
8705         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8706         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8707
8708 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8709
8710         PR target/39445
8711         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8712
8713 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8714
8715         PR target/39327
8716         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8717         (avx_addsubv4df3): Likewise.
8718         (*avx_addsubv4sf3): Likewise.
8719         (sse3_addsubv4sf3): Likewise.
8720
8721 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8722
8723         PR target/38824
8724         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8725
8726 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8727
8728         PR debug/39432
8729         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8730         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8731         registers for allocnos created from user-defined variables.
8732
8733 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8734
8735         PR target/39181
8736         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8737         of non-integer mode as well.
8738
8739 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8740
8741         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8742         for functions for which the parameter types are unknown.
8743
8744 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8745
8746         PR target/39137
8747         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8748         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8749         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8750         * config/i386/i386.c (ix86_local_alignment): For
8751         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8752         long long variables on the stack to avoid dynamic realignment.
8753         Allow the first argument to be a decl rather than type.
8754         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8755
8756 2009-03-11  Nick Clifton  <nickc@redhat.com>
8757
8758         PR target/5362
8759         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8760         options.
8761         Add description to mno-lsim option.
8762         * config/mcore/mcore.h: Remove comment about deprecated m4align
8763         option.
8764         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8765         * doc/invoke.texi: Add description of mno-lsim and
8766         mstack-increment options.
8767
8768         * config/fr30/fr30.opt: Document the -mno-lsim option.
8769         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8770         and -mno-lsim options.
8771
8772 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8773
8774         * fold-const.c (fold_comparison): Only call fold_inf_compare
8775         if the mode supports infinities.
8776
8777 2009-03-11  Jason Merrill  <jason@redhat.com>
8778
8779         PR debug/39086
8780         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8781         end already did.  Notice GIMPLE_CALL modifications of the result.
8782         Don't copy debug information from an ignored decl or a decl from
8783         another function.
8784
8785 2009-03-10  Richard Guenther  <rguenther@suse.de>
8786             Nathan Froyd  <froydnj@codesourcery.com>
8787
8788         PR middle-end/37850
8789         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8790         (__divMODE3): Likewise.
8791
8792 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8793
8794         PR tree-optimization/39394
8795         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8796         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8797
8798 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8799
8800         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8801         inline asms for register asm ("") declarations.
8802
8803 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8804
8805         * fold-const.c (fold_unary): Fix comment.
8806
8807 2009-03-07  Jan Hubicka  <jh@suse.cz>
8808
8809         PR target/39361
8810         * tree-inline.c (setup_one_parameter): Do replacement of const
8811         argument by constant in SSA form.
8812
8813 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8814
8815         PR middle-end/38028
8816         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8817         determine alignment passed to assign_stack_local.
8818         (assign_parms_unsplit_complex): Likewise.
8819         * except.c (sjlj_build_landing_pads): Likewise.
8820
8821 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8822
8823         PR middle-end/39360
8824         * tree-flow.h (add_referenced_var): Return bool instead of void.
8825         * tree-dfa.c (add_referenced_var): Return result of
8826         referenced_var_check_and_insert call.
8827         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8828         of referenced_var_check_and_insert.
8829
8830         PR debug/39372
8831         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8832         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8833         DIE, don't emit it if abstract origin already has it.
8834         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8835         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8836
8837 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8838
8839         * genpreds.c (needs_variable): Fix parentheses at variable name
8840         detection.
8841         (write_tm_constrs_h): Indent generated code.
8842
8843 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8844
8845         * doc/extend.texi (Function Attributes): Add documentation
8846         for isr attributes.
8847
8848 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8849
8850         PR debug/39387
8851         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8852         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8853
8854 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8855
8856         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8857         the loop as bad.
8858
8859 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8860
8861         PR debug/39379
8862         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8863         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8864
8865 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8866
8867         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8868         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8869         constants instead of magic numbers.
8870         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8871         (QI_REG_P): Ditto.
8872         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8873         (x86_64_ms_abi_int_parameter_registers): Ditto.
8874         (x86_64_int_return_registers): Ditto.
8875         (ix86_maybe_switch_abi): Ditto.
8876         (ix86_expand_call): Ditto for clobbered_registers array.
8877         (ix86_hard_regno_mode_ok): Ditto.
8878         (x86_extended_QIreg_mentioned_p): Ditto.
8879
8880 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8881
8882         PR tree-optimization/39349
8883         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8884
8885         * combine.c (gen_lowpart_for_combine): Use omode when generating
8886         clobber.
8887
8888 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8889
8890         PR rtl-optimization/39235
8891         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8892
8893 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8894
8895         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8896
8897 2009-03-04  Richard Guenther  <rguenther@suse.de>
8898
8899         PR tree-optimization/39362
8900         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8901         that occur in abnormal PHIs should be varying.
8902
8903 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8904
8905         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8906         Extend comments.
8907         (simple_iv):  Take loop as an argument instead of statement.
8908         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8909         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8910         to simple_iv.
8911         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8912         Ditto.
8913         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8914         * matrix-reorg.c (analyze_transpose): Ditto.
8915         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8916         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8917         * tree-predcom.c (ref_at_iteration): Ditto.
8918         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8919
8920 2009-03-04  Richard Guenther  <rguenther@suse.de>
8921
8922         PR tree-optimization/39358
8923         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8924         escaped_id and callused_id.
8925         (solve_graph): Likewise.
8926
8927 2009-03-04  Richard Guenther  <rguenther@suse.de>
8928
8929         PR tree-optimization/39339
8930         * tree-sra.c (try_instantiate_multiple_fields): Make it
8931         no longer ICE on the above.
8932
8933 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8934
8935         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8936         that fits within Pmode.
8937
8938 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8939
8940         PR middle-end/10109
8941         * tm.texi (LIBCALL_VALUE): Update description.
8942
8943 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8944
8945         PR middle-end/34443
8946         * doc/extend.texi (section): Update description.
8947
8948 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8949
8950         PR middle-end/39345
8951         * tree-inline.c (remapped_type): New.
8952         (can_be_nonlocal): Call remapped_type instead of remap_type.
8953
8954 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8955
8956         PR fortran/39354
8957         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8958         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8959
8960 2009-03-03  Richard Guenther  <rguenther@suse.de>
8961
8962         PR middle-end/39272
8963         * tree.c (tree_nonartificial_location): New function.
8964         * tree.h (tree_nonartificial_location): Declare.
8965         * builtins.c (expand_builtin_memory_chk): Provide location
8966         of the call location for artificial function pieces.
8967         (maybe_emit_chk_warning): Likewise.
8968         (maybe_emit_sprintf_chk_warning): Likewise.
8969         (maybe_emit_free_warning): Likewise.
8970         * expr.c (expand_expr_real_1): Likewise.
8971
8972 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8973
8974         PR tree-optimization/39343
8975         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8976         COMPONENT_REF t has ARRAY_TYPE.
8977
8978 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8979
8980         PR middle-end/39335
8981         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8982         when the type precision of the induction variable should be
8983         larger than the type precision of nit.
8984         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8985         * graphite.c (graphite_loop_normal_form): Same.
8986         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8987
8988 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8989
8990         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8991         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8992         numbers to describe clobbered registers.
8993         (*call_value_0_rex64_ms_sysv): Ditto.
8994         * config/i386/mmx.md (mmx_emms): Ditto.
8995         (mmx_femms): Ditto.
8996
8997 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
8998
8999         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9000         of ABI_64.
9001
9002 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9003
9004         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9005         (spu_section_type_flags): New function.
9006
9007 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9008
9009         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9010         reg_class_contents of FLOAT_REGS into a temporary.
9011
9012 2009-03-02  Richard Guenther  <rguenther@suse.de>
9013             Ira Rosen  <irar@il.ibm.com>
9014
9015         PR tree-optimization/39318
9016         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9017         information to the vectorized statement.
9018
9019 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9020
9021         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9022         variable.  Use defined names instead of magic constants for REX SSE
9023         registers.
9024
9025 2009-03-01  Richard Guenther  <rguenther@suse.de>
9026
9027         PR tree-optimization/39331
9028         * omp-low.c (lower_send_shared_vars): Do not receive new
9029         values for the reference of DECL_BY_REFERENCE parms or results.
9030
9031 2009-03-01  Jan Hubicka  <jh@suse.cz>
9032
9033         PR debug/39267
9034         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9035         BLOCK_NONLOCALIZED_VAR): New macros.
9036         (tree_block): Add nonlocalized_vars.
9037         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9038         gen_decl_die): Add origin argument.  Allow generation of die with
9039         origin at hand only.
9040         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9041         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9042         of gen_*.
9043         (gen_block_die): Fix checking for unused blocks.
9044         (process_scope_var): Break out from .... ; work with origins only.
9045         (decls_for_scope) ... here; process nonlocalized list.
9046         (dwarf2out_ignore_block): Look for nonlocalized vars.
9047         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9048         vars.
9049         (dump_scope_block): Dump them.
9050         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9051         (remap_block): Likewise.
9052         (can_be_nonlocal): New predicate.
9053         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9054
9055 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9056
9057         * configure: Regenerate.
9058
9059 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9060
9061         * optc-gen.awk: No need to duplicate option flags twice.
9062         Reuse help texts for duplicate options which do not have any.
9063
9064         * gcc.c (display_help): Document --version.
9065
9066         * gcc.c (main): If print_help_list and verbose_flag, ensure
9067         driver output comes before subprocess output.
9068
9069         * optc-gen.awk: Assign all remaining fields to help string,
9070         space-separated, for multi-line help in *.opt.
9071
9072         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9073         -Wno-pedantic-ms-format is for MinGW targets only.
9074
9075         * doc/options.texi (Option file format): Fix bad indentation,
9076         restoring dropped sentence.
9077
9078 2009-02-28  Jan Hubicka  <jh@suse.cz>
9079
9080         * tree-inline.c (tree_function_versioning): Output debug info.
9081
9082 2009-02-28  Jan Hubicka  <jh@suse.cz>
9083
9084         PR debug/39267
9085         * tree-inline.c (setup_one_parameter): Do not copy propagate
9086         arguments when not optimizing.
9087
9088 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9089
9090         PR target/39327
9091         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9092         (avx_addsubv4df3): Likewise.
9093         (*avx_addsubv4sf3): Likewise.
9094         (sse3_addsubv4sf3): Likewise.
9095         (*avx_addsubv2df3): Likewise.
9096         (sse3_addsubv2df3): Likewise.
9097         (avx_unpckhps256): Correct item selectors.
9098         (avx_unpcklps256): Likewise.
9099         (avx_unpckhpd256): Likewise.
9100         (avx_unpcklpd256): Likewise.
9101
9102 2009-02-28  Jan Hubicka  <jh@suse.cz>
9103
9104         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9105         static vars.
9106         (copy_arguments_for_versioning): If var is declared don't declare it.
9107         (tree_function_versioning): First setup substitutions and then copy
9108         args.
9109
9110 2009-02-27  Jan Hubicka  <jh@suse.cz>
9111
9112         PR debug/39267
9113         * cgraph.h (varpool_output_debug_info): Remove.
9114         * cgraphunit.c (varpool_output_debug_info): Remove.
9115         * dwarf2out.c (deferred_locations_struct): New struct
9116         (deferred_locations): New type.
9117         (deferred_locations_list): New static var.
9118         (deffer_location): New function.
9119         (gen_variable_die): Use it.
9120         (decls_for_scope): Output info on local static vars.
9121         (dwarf2out_finish): Process deferred locations.
9122         * varpool.c (varpool_output_debug_info): Remove.
9123
9124 2009-02-27  Jan Hubicka  <jh@suse.cz>
9125
9126         PR debug/39267
9127         * tree.h (TREE_PROTECTED): Fix comment.
9128         (BLOCK_HANDLER_BLOCK): Remove.
9129         (struct tree_block): Remove handler_block add body_block.
9130         (inlined_function_outer_scope_p): New.
9131         (is_body_block): Remove.
9132         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9133         * dwarf2out.c (is_inlined_entry_point): Remove.
9134         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9135         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9136         code.
9137         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9138         * gimplify.c (gimplify_expr): Gimplify body blocks.
9139         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9140         block with multiple subblocks.
9141         (dump_scope_block): Prettier output; dump more flags and info.
9142         (dump_scope_blocks): New.
9143         (remove_unused_locals): Use dump_scope_blocks.
9144         * tree-flow.h (dump_scope_blocks): Declare.
9145         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9146         * stmt.c (is_body_block): Remove.
9147         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9148         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9149
9150 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9151
9152         PR middle-end/39308
9153         * graphite.c (graphite_loop_normal_form): Do not call
9154         number_of_iterations_exit from a gcc_assert.
9155
9156 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9157
9158         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9159         jumps if COND is NULL.
9160         (find_cond_jump): New function.
9161         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9162         * config/s390/s390.md: Remove z10_cobra attribute value.
9163
9164 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9165
9166         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9167         force_const_mem returns NULL_RTX.
9168
9169 2009-02-26  Jan Hubicka  <jh@suse.cz>
9170
9171         PR debug/39267
9172         * cgraph.h (varpool_output_debug_info): Remove.
9173         * cgraphunit.c (varpool_output_debug_info): Remove.
9174         * dwarf2out.c (deferred_locations_struct): New struct
9175         (deferred_locations): New type.
9176         (deferred_locations_list): New static var.
9177         (deffer_location): New function.
9178         (gen_variable_die): Use it.
9179         (decls_for_scope): Output info on local static vars.
9180         (dwarf2out_finish): Process deferred locations.
9181         * varpool.c (varpool_output_debug_info): Remove.
9182
9183 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9184
9185         PR rtl-optimization/39241
9186         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9187         to subreg_offset_representable_p.
9188
9189 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9190
9191         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9192         execute function prototype.  Get f and nregs from max_reg_num
9193         and get_insns.  Remove the first backward pass as it's dead,
9194         guard the forward pass by flag_expensive_optimizations.
9195         (rest_of_handle_regmove): Delete.
9196         (pass_regmove): Replace it with regmove_optimize.
9197
9198 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9199
9200         PR tree-optimization/39259
9201         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9202         calls_alloca function flags.
9203         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9204         calls are detected.
9205
9206 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9207
9208         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9209         flags_set_1_rtx, flags_set_1_set): Delete.
9210         (regmove_optimize): Do not call mark_flags_life_zones.
9211
9212 2009-02-24  Julian Brown  <julian@codesourcery.com>
9213
9214         PR target/35965
9215         * config/arm/arm.c (require_pic_register): Only set
9216         cfun->machine->pic_reg once per function.
9217
9218 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9219
9220         * doc/invoke.texi (Link Options): Document an easier way to pass
9221         options that take arguments to the GNU linker using -Xlinker and -Wl.
9222
9223 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9224
9225         PR target/33785
9226         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9227
9228 2009-02-24  Richard Guenther  <rguenther@suse.de>
9229
9230         PR debug/39285
9231         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9232
9233 2009-02-24  Richard Guenther  <rguenther@suse.de>
9234             Zdenek Dvorak  <ook@ucw.cz>
9235
9236         PR tree-optimization/39233
9237         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9238         from converting them to a generic type.
9239
9240 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9241
9242         PR tree-optimization/39260
9243         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9244         contains a condition with a real type.
9245         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9246
9247 2009-02-23  Jason Merrill  <jason@redhat.com>
9248
9249         PR c++/38880
9250         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9251         narrowing_initializer_constant_valid_p.
9252         (narrowing_initializer_constant_valid_p): Don't return
9253         null_pointer_node for adding a pointer to itself.
9254
9255 2009-02-23  Jan Hubicka  <jh@suse.cz>
9256
9257         PR c/12245
9258         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9259         resizing.
9260
9261 2009-02-23  Jan Hubicka  <jh@suse.cz>
9262
9263         PR tree-optimization/37709
9264         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9265         * tree.h (block_ultimate_origin): Declare.
9266         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9267         * tree-ssa-live.c (remove_unused_scope_block_p):
9268         Eliminate blocks containig no instructions nor live variables nor
9269         nested blocks.
9270         (dump_scope_block): New function.
9271         (remove_unused_locals): Enable removal of dead blocks by default;
9272         enable dumping at TDF_DETAILS.
9273
9274 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9275
9276         * config/i386/i386.c (classify_argument): Don't allow COImode
9277         and OImode.
9278         (function_arg_advance_32): Don't allow OImode.
9279         (function_arg_32): Likewise.
9280         (function_value_32): Likewise.
9281         (return_in_memory_32): Likewise.
9282         (function_arg_64): Remove OImode comment.
9283
9284 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9285
9286         PR target/39261
9287         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9288         ix86_expand_vector_set for V4DImode in 64bit mode only.
9289         (ix86_expand_vector_init_one_var): Likewise.
9290
9291 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9292
9293         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9294
9295 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9296
9297         PR bootstrap/39257
9298         * loop-iv.c: Revert last change.
9299         * emit-rtl.c: Likewise.
9300
9301 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9302
9303         PR target/39256
9304         * config/i386/i386.c (type_natural_mode): Remove an extra
9305         space in the warning message.
9306         (function_value_32): Handle 32-byte vector modes.
9307         (return_in_memory_32): Likewise.
9308
9309 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9310
9311         * loop-iv.c (truncate_value): New function.
9312         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9313         of lowpart_subreg.
9314         (lowpart_subreg): Move to...
9315         * emit-rtl.c: ...here.
9316
9317 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9318
9319         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9320         accidental and undocumented change at revision 140860.
9321
9322 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9323
9324         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9325         take gimple_seq * arguments.
9326         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9327         types_compatible_p langhook.
9328
9329 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9330             Joseph Myers  <joseph@codesourcery.com>
9331
9332         * config/arm/arm.c (arm_builtin_va_list): New function.
9333         (arm_expand_builtin_va_start): Likewise.
9334         (arm_gimplify_va_arg_expr): Likewise.
9335         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9336         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9337         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9338         (va_list_type): New variable.
9339         (arm_mangle_type): Mangle va_list_type appropriately.
9340
9341 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9342
9343         PR middle-end/39157
9344         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9345         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9346         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9347         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9348         parameter to 1000 for -O1 by default.
9349         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9350         parameter.
9351         * loop-invariant.c: Include params.h.
9352         (move_loop_invariants): Don't call move_single_loop_invariants on
9353         very large loops.
9354
9355 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9356
9357         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9358         offset when calculating bounds for indexing stack_usage_map.  Fixes
9359         a buffer overflow with certain target setups.
9360
9361 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9362
9363         PR target/39240
9364         * calls.c (expand_call): Clear try_tail_call if caller and callee
9365         disagree in promotion of function return value.
9366
9367 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9368
9369         PR target/39175
9370         * c-common.c (c_determine_visibility): If visibility changed and
9371         DECL_RTL has been already set, call make_decl_rtl to update symbol
9372         flags.
9373
9374 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9375
9376         PR c++/39188
9377         * varasm.c (assemble_variable): Don't check DECL_NAME when
9378         globalizing a variable.
9379
9380 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9381
9382         PR c/38483
9383         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9384         expression before any __builtin_trap call.
9385         * c-typeck.c (build_function_call): Convert and check function
9386         arguments before generating a call to a trap.  Evaluate the
9387         function arguments before the trap.
9388
9389 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9390
9391         PR target/39228
9392         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9393         (UNSPEC_FXAM_MEM): New unspec.
9394         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9395         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9396         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9397
9398 2009-02-19  Richard Guenther  <rguenther@suse.de>
9399
9400         PR tree-optimization/39207
9401         PR tree-optimization/39074
9402         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9403         storedanything_tree): New.
9404         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9405         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9406         (build_succ_graph): Add edges from STOREDANYTHING to all
9407         non-direct nodes.
9408         (init_base_vars): Initialize STOREDANYTHING.
9409         (compute_points_to_sets): Free substitution info after
9410         building the succ graph.
9411         (ipa_pta_execute): Likewise.
9412
9413         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9414         field.
9415         (do_ds_constraint): Do not add to special var or non-pointer
9416         field solutions.
9417         (type_could_have_pointers): Split out from ...
9418         (could_have_pointers): ... here.  For arrays use the element type.
9419         (create_variable_info_for): Initialize may_have_pointers.
9420         (new_var_info): Likewise.
9421         (handle_lhs_call): Make the HEAP variable unknown-sized.
9422         (intra_create_variable_infos): Use a type with pointers for
9423         PARM_NOALIAS, make it unknown-sized.
9424
9425 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9426
9427         PR target/39224
9428         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9429
9430 2009-02-18  Jason Merrill  <jason@redhat.com>
9431
9432         PR target/39179
9433         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9434         value if DECL_EXTERNAL.
9435         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9436         * target.h (gcc_target::binds_local_p): Clarify "module".
9437         * tree.h (TREE_PUBLIC): Clarify "module".
9438
9439 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9440
9441         PR target/38891
9442         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9443         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9444
9445 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9446
9447         PR target/39082
9448         * c.opt (Wabi): Support C and ObjC.
9449         (Wpsabi): New.
9450
9451         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9452
9453         * config/i386/i386.c (classify_argument): Warn once about the ABI
9454         change when passing union with long double.
9455
9456         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9457
9458 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9459
9460         PR c/35447
9461         * c-parser.c (c_parser_compound_statement): Always enter and leave
9462         a scope.
9463
9464 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9465
9466         PR target/34587
9467         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9468
9469 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9470
9471         PR tree-optimization/36922
9472         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9473         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9474         Likewise.
9475
9476 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9477
9478         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9479         to 0 for EABI64.
9480
9481 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9482
9483         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9484
9485 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9486
9487         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9488         tree sharing.
9489
9490 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9491             Richard Sandiford  <rdsandiford@googlemail.com>
9492
9493         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9494         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9495         (loongson_biadd): ...this.
9496
9497 2009-02-17  Richard Guenther  <rguenther@suse.de>
9498
9499         PR tree-optimization/39202
9500         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9501         a var make sure to follow existing collapses.
9502
9503 2009-02-17  Richard Guenther  <rguenther@suse.de>
9504
9505         PR middle-end/39214
9506         * langhooks.c (lhd_print_error_function): Check for NULL block.
9507
9508 2009-02-17  Richard Guenther  <rguenther@suse.de>
9509
9510         PR tree-optimization/39204
9511         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9512         of the PHI arg.
9513
9514 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9515
9516         * config/soft-fp/double.h: Update from glibc CVS.
9517
9518 2009-02-17  Richard Guenther  <rguenther@suse.de>
9519
9520         PR tree-optimization/39207
9521         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9522         strict-aliasing warnings for pointers pointing to NULL.
9523
9524 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9525
9526         PR c/35446
9527         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9528         skipping until next close brace.
9529
9530 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9531
9532         PR target/37049
9533         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9534         to function argument boundary.
9535
9536 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9537
9538         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9539         in the lea_add. Reload eventually constraints it properly.
9540         * config/picochip/constraints.md: Remove the target constraint
9541         "b", since it is not needed anymore.
9542
9543 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9544
9545         * gthr-dce.h: Uglify function parameter and local variable names.
9546         * gthr-gnat.h: Likewise.
9547         * gthr-mipssde.h: Likewise.
9548         * gthr-nks.h: Likewise.
9549         * gthr-posix95.h: Likewise.
9550         * gthr-posix.h: Likewise.
9551         * gthr-rtems.h: Likewise.
9552         * gthr-single.h: Likewise.
9553         * gthr-solaris.h: Likewise.
9554         * gthr-tpf.h: Likewise.
9555         * gthr-vxworks.h: Likewise.
9556         * gthr-win32.h: Likewise.
9557
9558 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9559
9560         PR target/39196
9561         * config/i386/i386.md: Restrict the new peephole2 to move
9562         between MMX/SSE registers.
9563
9564 2009-02-15  Richard Guenther  <rguenther@suse.de>
9565
9566         Revert
9567         2009-02-13  Richard Guenther  <rguenther@suse.de>
9568
9569         * configure.ac: Enable LFS.
9570         * configure: Re-generate.
9571         * config.in: Likewise.
9572
9573 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9574
9575         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9576         spu_srqwbyte, spu_srqwbytebc): Define.
9577         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9578         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9579         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9580         "shrqby_<mode>"): New insn-and-split patterns.
9581         * config/spu/spu.c (expand_builtin_args): Determine and return
9582         number of operands using spu_builtin_description data.
9583         (spu_expand_builtin_1): Use it.
9584
9585 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9586
9587         PR target/38056
9588         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9589         TARGET_CONST_GP.
9590
9591 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9592
9593         PR target/39149
9594         * config/i386/i386.c (override_options): Correct warning
9595         messages for -malign-loops, -malign-jumps and -malign-functions.
9596
9597 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9598
9599         PR target/39152
9600         * config/i386/i386.md: Restrict the new peephole2 to move
9601         between the general purpose registers.
9602
9603 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9604
9605         PR target/39162
9606         * config/i386/i386.c (type_natural_mode): Add a new argument.
9607         Return the original mode and warn ABI change if vector size is 32byte.
9608         (function_arg_advance): Updated.
9609         (function_arg): Likewise.
9610         (ix86_function_value): Likewise.
9611         (ix86_return_in_memory): Likewise.
9612         (ix86_sol10_return_in_memory): Likewise.
9613         (ix86_gimplify_va_arg): Likewise.
9614         (function_arg_32): Don't warn ABX ABI change here.
9615         (function_arg_64): Likewise.
9616
9617 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9618
9619         * loop-iv.c (implies_p): In the final case, test that operands 0
9620         of the two comparisons match.
9621
9622         * config/bfin/bfin.c (find_prev_insn_start): New function.
9623         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9624         (find_next_insn_start): Move.
9625
9626 2009-02-13  Richard Guenther  <rguenther@suse.de>
9627
9628         * configure.ac: Enable LFS.
9629         * configure: Re-generate.
9630         * config.in: Likewise.
9631
9632 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9633
9634         PR c/35444
9635         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9636         sizes on syntax error after some arguments have been parsed.
9637
9638 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9639
9640         * doc/invoke.texi (-fira): Remove.
9641
9642 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9643
9644         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9645         * recog.c: Likewise.
9646         * rtl.h: Likewise.
9647
9648 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9649
9650         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9651         (umul_ppmm): Likewise.
9652         (count_leading_zeros): Likewise.
9653         (count_trailing_zeros): Likewise.
9654         (UMUL_TIME): Likewise.
9655
9656 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9657
9658         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9659         soft-fp/t-softfp to tmake_file.
9660
9661         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9662         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9663         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9664         IA64_BUILTIN_INFQ]: New.
9665         (ia64_init_builtins): Initialize __builtin_infq,
9666         __builtin_fabsq and __builtin_copysignq if not HPUX.
9667         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9668         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9669
9670         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9671         SHARED is defined.
9672         (__fixtfti): Likewise.
9673         (__fixunstfti): Likewise.
9674         (__floattitf): Likewise.
9675
9676         * config/ia64/libgcc-glibc.ver: New.
9677         * config/ia64/t-fprules-softfp: Likewise.
9678         * config/ia64/sfp-machine.h: Likewise.
9679
9680         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9681         (LIBGCC2_TF_CEXT): Likewise.
9682         (TF_SIZE): Likewise.
9683         (TARGET_INIT_LIBFUNCS): Likewise.
9684
9685         * config/ia64/t-glibc (SHLINB_MAPFILES):
9686         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9687
9688 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9689
9690         * config/i386/i386.c (construct_container): Rewrite processing
9691         BLKmode with X86_64_SSE_CLASS.
9692
9693 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9694
9695         PR target/39152
9696         * config/i386/i386.md: Replace simplify_replace_rtx with
9697         replace_rtx in the new peephole2.
9698
9699 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9700
9701         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9702         loop unrolling do not happen at -O2.
9703
9704 2009-02-12  Michael Matz  <matz@suse.de>
9705
9706         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9707
9708 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9709
9710         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9711         for -g3.
9712
9713 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9714
9715         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9716         patterns when updating the back chain.  Missed in the 2009-02-10
9717         change.
9718
9719 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9720
9721         * doc/extend.texi (Decimal Floating Types): Update identifier of
9722         draft TR and list of missing support.
9723
9724 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9725
9726         PR middle-end/39154
9727         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9728         bit to variable length decl's flags, add it also to its
9729         pointer replacement variable.
9730
9731 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9732             Jakub Jelinek  <jakub@redhat.com>
9733
9734         PR target/39118
9735         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9736         (memory_blockage): New expander.
9737         (*memory_blockage): New insn pattern.
9738         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9739         instead of general blockage at the end of function prologue when
9740         frame pointer is used to access red zone area.  Do not emit blockage
9741         when profiling, it is emitted in generic code.
9742         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9743         function epilogue when frame pointer is used to access red zone area.
9744
9745 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9746
9747         PR target/38824
9748         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9749         by arithmetic with memory operands.
9750         * config/i386/predicates.md (commutative_operator): New.
9751
9752 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9753
9754         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9755         bulleted lists.
9756
9757 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9758
9759         * alias.h (record_alias_subset): Declare.
9760         * alias.c (record_alias_subset): Make global.
9761
9762 2009-02-10  Nick Clifton  <nickc@redhat.com>
9763
9764         * tree-parloops.c: Change license to GPLv3.
9765         * ipa-struct-reorg.c: Change license to GPLv3.
9766         * ipa-struct-reorg.h: Change license to GPLv3.
9767
9768 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9769
9770         PR c/39084
9771         * c-decl.c (start_struct): Return NULL on error.
9772
9773 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9774
9775         PR middle-end/39124
9776         * cfgloopmanip.c (remove_path): Call remove_bbs after
9777         cancel_loop_tree, not before it.
9778
9779         PR target/39139
9780         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9781         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9782         VAR_DECLs were seen.
9783         * tree-ssa-live.c (remove_unused_locals): Recompute
9784         cfun->has_local_explicit_reg_vars.
9785         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9786         copies or clearings if cfun->has_local_explicit_reg_vars.
9787
9788 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9789
9790         PR target/39118
9791         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9792         of function prologue when frame pointer is used to access
9793         red zone area.
9794
9795 2009-02-10  Richard Guenther  <rguenther@suse.de>
9796
9797         PR middle-end/39127
9798         * gimplify.c (gimple_regimplify_operands): Always look if
9799         we need to create a temporary.
9800
9801 2009-02-10  Richard Guenther  <rguenther@suse.de>
9802
9803         PR tree-optimization/39132
9804         * tree-loop-distribution.c (todo): New global var.
9805         (generate_memset_zero): Trigger TODO_rebuild_alias.
9806         (tree_loop_distribution): Return todo.
9807
9808 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9809
9810         PR target/39119
9811         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9812         (x86_64_reg_class_name): Removed.
9813         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9814         first one isn't X86_64_SSE_CLASS or any other ones aren't
9815         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9816         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9817         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9818         and 3 X86_64_SSEUP_CLASS.
9819         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9820         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9821
9822 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9823
9824         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9825         form instruction to update the stack back chain word, even if the
9826         user has disabled the generation of update instructions.
9827         (movdi_<mode>_update_stack): New.
9828         (movsi_update_stack): Likewise.
9829         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9830         always use an update form instruction to update the stack back
9831         chain word.
9832
9833 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9834
9835         PR middle-end/38953
9836         * graphite.c (if_region_set_false_region): After moving a region in
9837         the false branch of a condition, remove the empty dummy basic block.
9838         (gloog): Remove wrong fix for PR38953.
9839
9840 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9841
9842         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9843         generation due to implicit sign extension.
9844
9845 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9846
9847         PR middle-end/38981
9848         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9849         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9850
9851 2009-02-09  Richard Guenther  <rguenther@suse.de>
9852
9853         PR middle-end/35202
9854         * convert.c (convert_to_real): Disable (float)fn((double)x)
9855         to fnf(x) conversion if errno differences may occur and
9856         -fmath-errno is set.
9857
9858 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9859
9860         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9861         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9862         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9863
9864 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9865
9866         PR c/35434
9867         * c-common.c (handle_alias_attribute): Disallow attribute for
9868         anything not a FUNCTION_DECL or VAR_DECL.
9869
9870 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9871
9872         PR c/39035
9873         * real.c (do_compare): Special-case compare of zero against
9874         decimal float value.
9875
9876 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9877
9878         PR c/36432
9879         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9880         as indicating flexible array members unless the field itself is
9881         being declarared as the incomplete array.
9882
9883 2009-02-06  Jan Hubicka  <jh@suse.cz>
9884
9885         PR tree-optimization/38844
9886         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9887         is already inlined.
9888
9889 2009-02-06  Richard Guenther  <rguenther@suse.de>
9890
9891         PR middle-end/38977
9892         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9893         fork because we may expand it as __gcov_fork.
9894
9895 2009-02-06  Nick Clifton  <nickc@redhat.com>
9896
9897         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9898
9899 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9900
9901         PR tree-optimization/35659
9902         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9903         vn_phi_eq): Shortcut if hashcode does not match.
9904         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9905         NULL operands.
9906         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9907         and avoid iterative_hash_expr.
9908         (FOR_EACH_VALUE_ID_IN_SET): New.
9909         (value_id_compare): Remove.
9910         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9911         sort expressions by value id.
9912
9913 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9914
9915         PR target/38991
9916         * config/sh/predicates.md (general_movsrc_operand): Don't check
9917         the subreg of system registers here.
9918
9919 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9920
9921         PR c++/39106
9922         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9923         on the copied decl.
9924
9925 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9926
9927         PR rtl-optimization/39110
9928         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9929         addresses, not aligned ones.
9930
9931 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9932             Richard Guenther  <rguenther@suse.de>
9933
9934         PR tree-optimization/39100
9935         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9936         comment says and add edges.
9937
9938 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9939
9940         PR c/35435
9941         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9942         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9943
9944 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9945
9946         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9947         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9948         register_bb_in_sese, new_sese, free_sese): Moved.
9949         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9950         outermost_loop_in_scop, build_scop_iteration_domain,
9951         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9952         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9953         Use loop_in_sese_p instead of loop_in_scop_p.
9954         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9955         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9956         (scopdet_basic_block_info): Fix bug in scop detection.
9957         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9958         eq_loop_to_cloog_loop): Remove.
9959         (nb_loops_around_loop_in_scop, nb_loop
9960         ref_nb_loops): Moved here...
9961         * graphite.h (ref_nb_loops): ... from here.
9962         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9963         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9964         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9965         * testsuite/gcc.dg/graphite/scop-19.c: New
9966
9967 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9968             Hans-Peter Nilsson  <hp@axis.com>
9969
9970         PR rtl-optimization/37889
9971         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9972         Move offset handling from PLUS to before the switch.  Use new
9973         arguments when considering SYMBOL_REFs too.
9974         (rtx_addr_can_trap_p): Pass dummy offset and size.
9975         (enum may_trap_p_flags): Remove.
9976         (may_trap_p_1): Pass size from MEM_SIZE.
9977
9978         PR rtl-optimization/38921
9979         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9980         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9981         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9982         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9983
9984 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9985
9986         AVX Programming Reference (January, 2009)
9987         * config/i386/sse.md (*vpclmulqdq): New.
9988
9989 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9990
9991         PR tree-optimization/38977
9992         PR gcov-profile/38292
9993         * calls.c (special_function_p): Disregard __builtin_ prefix.
9994
9995 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
9996
9997         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
9998         non-indexable addresses even before reload.
9999
10000 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10001
10002         PR c/29129
10003         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10004         as having variable size.  Do not give an error for unnamed
10005         parameters with [*] declarators.  Give a warning for type names
10006         with [*] declarators and mark them as variable size.
10007         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10008         for sizeof applied to [*] type names.
10009
10010 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10011
10012         PR C++/36607
10013         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10014
10015 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10016
10017         * gcc.c (process_command): Update copyright notice dates.
10018         * gcov.c (print_version): Likewise.
10019         * gcov-dump.c (print_version): Likewise.
10020         * mips-tfile.c (main): Likewise.
10021         * mips-tdump.c (main): Likewise.
10022
10023 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10024
10025         PR c/35433
10026         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10027         for composite type involving a zero-length array type.
10028
10029 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10030
10031         PR target/35318
10032         * function.c (match_asm_constraints_1): Skip over
10033         initial optional % in the constraint.
10034
10035         PR inline-asm/39059
10036         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10037         supported, don't accept FIXED_CSTs.
10038         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10039         and _Sat is used without _Fract/_Accum.  Set specs->type to
10040         integer_type_node for cts_fract/cts_accum if fixed point is not
10041         supported.
10042
10043 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10044
10045         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10046
10047 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10048
10049         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10050         (ABI_HAS_64BIT_SYMBOLS): Use it.
10051         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10052
10053 2009-02-02  Paul Brook  <paul@codesourcery.com>
10054
10055         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10056
10057 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10058
10059         PR inline-asm/39058
10060         * recog.h (asm_operand_ok): Add constraints argument.
10061         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10062         recurse on matching constraint.
10063         (check_asm_operands): Pass constraints as 3rd argument to
10064         asm_operand_ok.  Don't look up matching constraint here.
10065         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10066         to asm_operand_ok.
10067
10068 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10069
10070         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10071         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10072
10073 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10074
10075         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10076         information.  Remove some obsolete information.  Reorganize.
10077
10078         * config/pa/fptr.c: Revert license to GPL 2.
10079         * config/pa/milli64.S: Likewise.
10080
10081 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10082
10083         PR target/38904
10084         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10085         LIBRARY name in, instead of hard-coding it.
10086         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10087         extra target make frag to tmake_files according to EH model.
10088         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10089         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10090         frags that define makefile variable EH_MODEL appropriately.
10091         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10092         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10093         to "-sjlj" according to type of EH configured.
10094         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10095         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10096         to "_sjlj" according to type of EH configured.
10097         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10098         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10099         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10100         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10101         string value of "pe_dll" command-line option.
10102         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10103         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10104         (SHLIB_IMPLIB):  Override t-cygming default.
10105         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10106         string value of "pe_dll" command-line option.
10107
10108 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10109
10110         PR target/38952
10111         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10112         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10113
10114 2009-01-31  Richard Guenther  <rguenther@suse.de>
10115
10116         PR tree-optimization/38937
10117         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10118         computing the transitive closure.
10119
10120 2009-01-30  Richard Guenther  <rguenther@suse.de>
10121
10122         PR tree-optimization/39041
10123         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10124         Propagate variable indices only if the types match for this stmt.
10125
10126 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10127
10128         PR target/39013
10129         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10130         inline but never defined.
10131
10132 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10133
10134         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10135         (*insv_h_di_reg_extimm): New insn.
10136         (*insv_l<mode>_reg_extimm): New insn.
10137
10138 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10139
10140         * config/picochip/picochip.c (flag_conserve_stack): set
10141         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10142         fconserve-stack. Reduce call-overhead used by inliner.
10143
10144 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10145
10146         PR/38157
10147         * common.opt (flag_conserve_stack): Initialised to zero.
10148
10149 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10150
10151         PR/39002
10152         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10153         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10154         method.
10155
10156 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10157
10158         * ira-color.c (allocno_reload_assign): Update comments.
10159         * regmove.c (regmove_optimize): Likewise.
10160
10161         * ra.h: Removed.
10162
10163 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10164
10165         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10166         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10167         `MD_UNWIND_SUPPORT'.
10168         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10169
10170 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10171
10172         PR tree-optimization/39007
10173         * tree-loop-distribution.c (generate_builtin): Use
10174         recompute_dominator to compute the immediate dominator of the
10175         basic block just after the loop.
10176
10177 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10178
10179         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10180         (ASM_OUTPUT_DWARF_PCREL): Define.
10181
10182 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10183
10184         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10185         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10186         global.  Modify entries about regmove and IRA.
10187
10188         * ra-conflict.c: Remove the file.
10189
10190         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10191
10192         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10193         (pass_regclass_init): Rename to pass_reginfo_init.
10194
10195         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10196
10197         * toplev.h (flag_ira): Remove.
10198
10199         * caller-save.c (setup_save_areas): Remove flag_ira.
10200
10201         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10202
10203         * global.c: Remove the file.
10204
10205         * opts.c (decode_options): Remove flag_ira.
10206
10207         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10208
10209         * regmove.c: Modify file description.
10210         (find_use_as_address, try_auto_increment): Define them only if
10211         AUTO_INC_DEC is defined.
10212         (replacement_quality, replace_in_call_usage, fixup_match_1,
10213         stable_and_no_regs_but_for_p): Remove.
10214         (reg_set_in_bb): Make it static.
10215         (regmove_optimize): Remove flag_ira and code which worked for
10216         !flag_ira.
10217
10218         * local-alloc.c: Remove the file.
10219
10220         * common.opt (fira): Remove.
10221
10222         * ira.c: Include except.h.
10223         (eliminable_regset): Move from global.c.
10224         (mark_elimination): Ditto.  Remove flag_ira.
10225         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10226         equiv_mem_modified, validate_equiv_mem_from_store,
10227         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10228         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10229         no_equiv, recorded_label_ref): Move from local-alloc.c.
10230         (update_equiv_regs): Ditto.  Make it static.
10231         (print_insn_chain, print_insn_chains): Move it from global.c.
10232         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10233         (build_insn_chain): Ditto.  Make it static.
10234         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10235         Rename to init_live_subregs.
10236         (gate_ira): Remove flag_ira.
10237
10238         * regclass.c: Rename reginfo.c.  Change file description.
10239         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10240         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10241         (init_reg_sets_1): Remove code for evaluation of
10242         reg_class_superclasses and losing_caller_save_reg_set.
10243         (init_regs): Remove init_reg_autoinc.
10244         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10245         ok_for_base_p_nonstrict): Remove.
10246         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10247         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10248         corresponding entries.
10249         (dump_regclass, record_operand_costs, scan_one_insn,
10250         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10251         record_address_regs, auto_inc_dec_reg_p): Remove.
10252         (gt-regclass.h): Rename to gt-reginfo.h.
10253
10254         * rtl.h (dump_global_regs, retry_global_alloc,
10255         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10256
10257         * Makefile.in (RA_H): Remove.
10258         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10259         Rename regclass.o to reginfo.o.
10260         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10261         gt-reginfo.h.
10262         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10263         (GTFILES): Rename regclass.c to reginfo.c.
10264
10265         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10266         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10267
10268         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10269         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10270         Remove flag_ira.
10271         (finish_spills): Ditto.  Remove code for !flag_ira.
10272
10273 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10274
10275         PR middle-end/35854
10276         * doc/invoke.texi (rtl debug options): Complete rewrite.
10277         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10278         to auto_inc_dec".
10279         * mode-switching.c (pass_mode_switching): Rename pass from
10280         "mode-sw" to "mode_sw".
10281         * except.c (pass_convert_to_eh_ranges): Rename pass from
10282         "eh-ranges" to "eh_ranges".
10283         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10284         to "subreg1".
10285
10286
10287 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10288             Alexander Monakov  <amonakov@ispras.ru>
10289
10290         PR middle-end/38857
10291         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10292         register.
10293         (move_exprs_to_boundary): Change return type and pass through
10294         should_move from move_op.  Relax assert.  Update usage ...
10295         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10296         cant_move.
10297         (move_op_orig_expr_found): Indicate that insn was disconnected from
10298         stream.
10299         (code_motion_process_successors): Do not call after_merge_succs
10300         callback if original expression was not found when traversing any of
10301         the branches.
10302         (code_motion_path_driver): Change return type.  Update prototype.
10303         (move_op): Update comment.  Add a new parameter (should_move).  Update
10304         prototype.  Set *should_move based on indication provided by
10305         move_op_orig_expr_found.
10306
10307 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10308
10309         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10310         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10311         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10312         * config/rs6000/rs6000.c (rs6000_override_options): Default
10313         avoid-indexed-addresses on for Power6, off for everything else.
10314         (avoiding_indexed_address_p): New function.
10315         (rs6000_legitimize_address): Use it.
10316         (rs6000_legitimate_address): Likewise.
10317         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10318
10319 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10320
10321         PR tree-optimization/38997
10322         * tree-loop-distribution.c (generate_memset_zero): Use
10323         POINTER_PLUS_EXPR for a pointer addition.
10324
10325 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10326
10327         * config/s390/s390.md (bswap<mode>2): New pattern added.
10328
10329 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10330
10331         * config/s390/s390.md (*tls_load_31): Added type attribute.
10332
10333 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10334
10335         * config/s390/s390.md: Fix a few comments.
10336
10337 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10338
10339         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10340         (*tm<mode>_full): Fixed z10prop attribute.
10341         (*tst<mode>_extimm): Fixed z10prop attribute.
10342         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10343         (*tstqiCCT_cconly): Fixed z10prop attribute.
10344         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10345         (*movsi_larl): Fixed z10prop attribute.
10346         (*movsi_zarch): Fixed z10prop attribute.
10347         (*movsi_eas): Fixed z10prop attribute.
10348         (*movhi): Fixed z10prop attribute.
10349         (*movqi): Fixed z10prop attribute.
10350         (*movstrictqi): Fixed z10prop attribute.
10351         (*mov<mode>): Fixed z10prop attribute.
10352         (*movcc): Fixed z10prop attribute.
10353         (*sethighpartdi_64): Fixed z10prop attribute.
10354         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10355         (*negdi2_sign_cc): Fixed z10prop attribute.
10356         (*negdi2_sign): Fixed z10prop attribute.
10357         (*absdi2_sign_cc): Fixed z10prop attribute.
10358         (*absdi2_sign): Fixed z10prop attribute.
10359         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10360         (*negabsdi2_sign): Fixed z10prop attribute.
10361         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10362         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10363         (doloop_si64): Fixed z10prop attribute.
10364         (doloop_si31): Fixed z10prop attribute.
10365         (doloop_long): Fixed z10prop attribute.
10366         (indirect_jump): Fixed z10prop attribute.
10367         (nop): Fixed z10prop attribute.
10368         (main_base_64): Fixed z10prop attribute.
10369         (reload_base_64): Fixed z10prop attribute.
10370
10371 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10372
10373         PR rtl-optimization/38740
10374         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10375         if !optimize.
10376         * config/mips/mips.c (mips_reorg): Likewise.
10377
10378 2009-01-28  Richard Guenther  <rguenther@suse.de>
10379
10380         PR tree-optimization/38926
10381         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10382         with the correct value id to a value.
10383         (do_regular_insertion): Use the value number of edoubleprime
10384         for the value number of the expr.
10385
10386         Revert
10387         2008-08-21  Richard Guenther  <rguenther@suse.de>
10388
10389         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10390         a PHI ask VN if it is already available.
10391         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10392         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10393
10394 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10395
10396         PR middle-end/38934
10397         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10398         set to varying whenever max has TREE_OVERFLOW set, similarly
10399         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10400
10401 2009-01-28  Richard Guenther  <rguenther@suse.de>
10402
10403         PR middle-end/38908
10404         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10405         uninitialized aggregate uses in call arguments.
10406
10407 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10408
10409         PR tree-optimization/38984
10410         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10411         the nothing_id variable if -fno-delete-null-pointer-checks.
10412
10413 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10414
10415         PR target/38988
10416         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10417         (set_got_offset_rex64): Ditto.
10418
10419 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10420
10421         PR target/38941
10422         * doc/extend.texi: Improve local variable with asm reg.
10423
10424 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10425
10426         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10427         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10428         was not supplied then set warn_packed_bitfield_compat to the
10429         default value of 1.
10430         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10431         against 1.
10432
10433 2009-01-27  Richard Guenther  <rguenther@suse.de>
10434
10435         PR tree-optimization/38503
10436         * cfgexpand.c (expand_gimple_basic_block): Ignore
10437         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10438         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10439         variables that cannot have TBAA applied.
10440         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10441         statements.
10442
10443 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10444
10445         PR middle-end/38969
10446         * calls.c (initialize_argument_information): Do not wrap complex
10447         arguments in SAVE_EXPR.
10448
10449 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10450
10451         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10452         (INSTALL_LIBGCC): Revert typo commit.
10453
10454 2009-01-26  Richard Guenther  <rguenther@suse.de>
10455
10456         PR tree-optimization/38745
10457         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10458         from special handling.
10459
10460 2009-01-26  Richard Guenther  <rguenther@suse.de>
10461
10462         PR tree-optimization/38745
10463         * tree-ssa.c (execute_update_addresses_taken): Do not include
10464         variables that cannot possibly be a register in not_reg_needs.
10465         Do not clear TREE_ADDRESSABLE on vars that may not become
10466         registers.
10467         * tree-ssa.c (update_alias_info_1): Include those in the set
10468         of addressable vars.
10469
10470 2009-01-26  Richard Guenther  <rguenther@suse.de>
10471
10472         PR middle-end/38851
10473         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10474         * tree-ssa-dse.c: Include langhooks.h
10475         (execute_simple_dse): Remove stores with zero size.
10476
10477 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10478
10479         PR c/38957
10480         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10481         as PLUS_EXPR.
10482
10483 2009-01-24  Julian Brown  <julian@codesourcery.com>
10484
10485         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10486         config/arm/linux-atomic.c.
10487         * config/arm/linux-atomic.c: New.
10488
10489 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10490
10491         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10492         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10493         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10494
10495 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10496
10497         PR c/38938
10498         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10499         properly.
10500
10501 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10502
10503         PR tree-optimization/38953
10504         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10505         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10506         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10507         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10508         changed the CFG.
10509
10510 2009-01-24  Paul Brook  <paul@codesourcery.com>
10511
10512         * config/arm/neon.md (neon_type): Move to arm.md.
10513         (neon_mov<VSTRUCT>): Add neon_type attribute.
10514         * config/arm/arm.md (neon_type): Move to here.
10515         (conds): Add "unconditioal" and use as default for NEON insns.
10516
10517 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10518
10519         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10520         void *' warning from -Wc++-compat.
10521         * Makefile.in (dominance.o-warn): Remove.
10522
10523 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10524
10525         PR tree-optimization/38932
10526         * fold-const.c (fold_unary_ignore_overflow): New.
10527         * tree.h (fold_unary_ignore_overflow): Declare.
10528         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10529         * tree-ssa-sccvn.c (visit_reference_op_load,
10530         simplify_unary_expression): Likewise.
10531
10532 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10533
10534         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10535         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10536         regardless of their type.
10537         * c-common.c (handle_packed_attribute): Don't ignore packed on
10538         bitfields.
10539         * c.opt (Wpacked-bitfield-compat): New warning option.
10540         * stor-layout.c (place_field): Warn if offset of a field changed.
10541         * doc/extend.texi (packed): Mention the ABI change.
10542         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10543         (Warning Options): Add it to the list.
10544
10545 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10546
10547         * c-opts.c (c_common_post_options): Fix a typo in comments.
10548
10549 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10550
10551         PR middle-end/38615
10552         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10553         variables to static.
10554         * doc/invoke.texi (-fmerge-all-constants): Update description.
10555
10556 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10557
10558         PR target/38931
10559         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10560         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10561
10562 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10563
10564         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10565         a word boundary.
10566         (LOCAL_ALIGNMENT): Similarly.
10567
10568 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10569             Joseph Myers  <joseph@codesourcery.com>
10570
10571         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10572         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10573         * config/arm/arm-tune.md: Regenerate.
10574         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10575         -march=iwmmxt2.
10576
10577 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10578
10579         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10580         version number to five.
10581
10582 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10583
10584         PR c++/38930
10585         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10586         * c-common.c (set_underlying_type): Likewise.
10587         (is_typedef_decl ): Likewise
10588         * tree.h: Likewise
10589         (set_underlying_type): Likewise.
10590         (is_typedef_type): Likewise.
10591
10592 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10593
10594         PR middle-end/38587
10595         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10596         crossing setjmps.
10597
10598 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10599
10600         PR bootstrap/37660
10601         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10602         (LIBGCC_SPEC):  Don't define.
10603         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10604
10605 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10606
10607         PR rtl-optimization/38879
10608         * alias.c (base_alias_check): Unaligned access via AND address can
10609         alias all surrounding object types except those with sizes equal
10610         or wider than the size of unaligned access.
10611
10612 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10613
10614         PR c++/26693
10615         * c-decl.c (clone_underlying_type): Move this ...
10616         * c-common.c (set_underlying_type): ... here.
10617         Also, make sure the function properly sets TYPE_STUB_DECL() on
10618         the newly created typedef variant type.
10619         (is_typedef_decl ): New entry point.
10620         * tree.h: Added a new member member_types_needing_access_check to
10621         struct tree_decl_non_common.
10622         (set_underlying_type): New entry point.
10623         (is_typedef_type): Likewise.
10624
10625 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10626
10627         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10628         Check whether two instructions have memory references that
10629         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10630         are helper functions for traversing.
10631         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10632         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10633         not to draw dependency edge for instructions with non-conflicting
10634         alias sets.
10635
10636 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10637
10638         PR other/38758
10639         * longlong.h: Update copyright years.  Use soft-fp license notice.
10640         Sync __clz_tab declaration with glibc.
10641
10642 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10643
10644         PR target/30687
10645         * doc/extend.texi (syscall_linkage): New.
10646         (version_id): Modify.
10647
10648 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10649             Richard Guenther  <rguenther@suse.de>
10650
10651         PR tree-optimization/38747
10652         PR tree-optimization/38748
10653         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10654         conversion if the base address is an indirect reference and the
10655         aliasing sets could cause issues.
10656
10657 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10658
10659         * common.opt (fgraphite, fgraphite-identity): Add comment for
10660         explaining why these options are not documented.
10661
10662 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10663
10664         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10665         gimple_call_lhs is NULL.
10666
10667 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10668
10669         PR target/38868
10670         * emit-rtl.c (adjust_address_1): Make sure memref is never
10671         overwritten.
10672
10673 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10674
10675         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10676         const qualifier from arg parameter. Remove unnecessary cast to char *.
10677         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10678         const qualifier from arg 2.
10679
10680 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10681
10682         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10683
10684 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10685
10686         PR c/38869
10687         * rtl.h (reinit_regs): New prototype.
10688         * regclass.c: Include ira.h.
10689         (reinit_regs): New.
10690         * Makefile.in (regclass.o): Add ira.h.
10691         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10692
10693 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10694
10695         PR target/38736
10696         * c-common.c (handle_aligned_attribute): Use
10697         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10698         default alignment value.
10699
10700         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10701
10702         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10703         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10704
10705         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10706         __BIGGEST_ALIGNMENT__.
10707
10708         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10709
10710 2009-01-18  Richard Guenther  <rguenther@suse.de>
10711
10712         PR tree-optimization/38819
10713         * tree-flow.h (operation_could_trap_helper_p): Declare.
10714         * tree-eh.c (operation_could_trap_helper_p): Export.
10715         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10716         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10717         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10718         are about to insert a possibly trapping instruction and fail
10719         in this case.
10720
10721 2009-01-18  Andreas Schwab  <schwab@suse.de>
10722
10723         * doc/install.texi (Configuration): Remove obsolete paragraph
10724         about use of --with-gnu-ld with --with-gnu-as.
10725
10726 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10727
10728         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10729         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10730         Follow spelling conventions.
10731
10732 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10733
10734         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10735         C++ warning about implicit conversion from void * to struct
10736         bitmap_head_def *.
10737         (bitmap_obstack_free): Likewise for bitmap_element *.
10738         * Makefile.in (bitmap.o-warn): Remove.
10739
10740 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10741
10742         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10743
10744 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10745             Tobias Grosser  <tobi.grosser@amd.com>
10746
10747         * graphite.c (graphite_trans_scop_block): Do not block single
10748         nested loops.
10749
10750 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10751
10752         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10753         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10754         test with assertion.
10755
10756 2009-01-16  Richard Guenther  <rguenther@suse.de>
10757
10758         PR tree-optimization/38835
10759         PR middle-end/36227
10760         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10761         and INT + PTR -> (INT)(PTR p+ INT) folding.
10762         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10763
10764 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10765
10766         PR target/38554
10767         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10768         the subreg from a lowpart subreg if it is also casting the value.
10769
10770 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10771             Tobias Grosser  <tobi.grosser@amd.com>
10772
10773         * graphite.c (compare_prefix_loops): New.
10774         (build_scop_canonical_schedules): Rewritten.
10775         (graphite_transform_loops): Move build_scop_canonical_schedules
10776         after build_scop_iteration_domain.
10777
10778 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10779             Tobias Grosser  <tobi.grosser@amd.com>
10780
10781         * graphite.c (add_conditions_to_domain): Add the loops to
10782         the dimension of the iteration domain.  Do copy the domain
10783         only when it exists.
10784         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10785         (add_conditions_to_constraints): New.
10786         (can_generate_code_stmt, can_generate_code): Removed.
10787         (gloog): Do not call can_generate_code.
10788         (graphite_transform_loops): Call add_conditions_to_constraints
10789         after building the iteration domain.
10790
10791 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10792
10793         PR tree-optimization/38789
10794         * tree-ssa-threadedge.c
10795         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10796         __builtin_constant_p.
10797
10798 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10799
10800         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10801         examined before deleting them.
10802
10803 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10804
10805         * function.c (aggregate_value_p): Correctly extract the function
10806         type from CALL_EXPR_FN lookup.
10807
10808 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10809
10810         * config/picochip/picochip.c (picochip_override_options): Revert
10811         CFI asm flag disable commited previously.
10812
10813 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10814             Tobias Grosser  <tobi.grosser@amd.com>
10815             Jan Sjodin  <jan.sjodin@amd.com>
10816
10817         * graphite.c (scan_tree_for_params): On substractions negate
10818         all the coefficients of the term.
10819         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10820         of more than two operands.
10821         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10822         (get_vdef_before_scop): Handle also the case of default definitions.
10823
10824 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10825
10826         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10827         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10828         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10829
10830 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10831             Joey Ye  <joey.ye@intel.com>
10832
10833         PR middle-end/37843
10834         * cfgexpand.c (expand_stack_alignment): Don't update stack
10835         boundary nor check incoming stack boundary here.
10836         (gimple_expand_cfg): Update stack boundary and check incoming
10837         stack boundary here.
10838
10839 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10840
10841         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10842
10843 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10844
10845         PR rtl-optimization/38245
10846         * calls.c (expand_call): Add stack arguments to
10847         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10848         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10849         in regs and partially in memory or BLKmode arguments.
10850         (emit_library_call_value_1): Add stack arguments to
10851         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10852         ACCUMULATE_OUTGOING_ARGS).
10853         * dce.c: Include tm_p.h.
10854         (find_call_stack_args): New function.
10855         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10856         argument.
10857         (mark_insn): Call find_call_stack_args for CALL_Ps.
10858         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10859         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10860         down to deletable_insn_p, don't mark stores set in arg_stores
10861         bitmap, clear the bitmap at the beginning of each bb.
10862         * Makefile.in (dce.o): Depend on $(TM_P_H).
10863
10864 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10865
10866         PR target/22599
10867         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10868         to make sure the insn is a conditional test (bug 22599).  Reformat a
10869         few long lines.
10870
10871 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10872
10873         PR middle-end/38431
10874         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10875         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10876         (gloog): Do not call cleanup_tree_cfg.
10877         (graphite_transform_loops): Call cleanup_tree_cfg after all
10878         scops have been code generated.
10879
10880 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10881         * doc/gty.texi (Invoking the garbage collector): Added new node
10882         and section documenting ggc_collect.
10883
10884 2009-01-14  Richard Guenther  <rguenther@suse.de>
10885
10886         PR tree-optimization/38826
10887         PR middle-end/38477
10888         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10889         initialization notes only if we actually emitted a warning.
10890         (intra_create_variable_infos): Add constraints for a result decl
10891         that is passed by hidden reference.
10892         (build_pred_graph): Mark all related variables non-direct on
10893         address-taking.
10894
10895 2009-01-14  Nick Clifton  <nickc@redhat.com>
10896
10897         * ira-conflicts.c: Include addresses.h for the definition of
10898         base_reg_class.
10899         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10900         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10901
10902 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10903
10904         PR target/38811
10905         * Makefile.in (ira-lives.o): Add except.h.
10906
10907         * ira-lives.c: Include except.h.
10908         (process_bb_node_lives): Process can_throw_internal.
10909
10910 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10911
10912         PR rtl-optimization/38774
10913         * combine.c (simplify_set): When undoing cc_use change, don't do
10914         PUT_CODE on the newly created comparison, but instead put back the
10915         old comparison.
10916
10917 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10918
10919         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10920         values.  Remove duplicate arm8 entry.
10921
10922 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10923
10924         PR tree-optimization/38786
10925         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10926         the SSA_NAME case of expand_scalar_variables_expr.
10927         Set the type of an expression to the type of its assign statement.
10928         (expand_scalar_variables_expr): Also gather the scalar computation
10929         used to index the memory access.  Do not pass loop_p.
10930         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10931         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10932         the gimple_stmt_iterator where it inserts new code.
10933         Do not pass loop_p.
10934         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10935         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10936
10937 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10938
10939         * graphite.h (debug_value): Removed.
10940         * graphite.c (debug_value): Removed.
10941
10942 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10943
10944         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10945         ldrd/strd with two 32-bit instructions.
10946
10947 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10948
10949         * config/arm/arm.c (struct processors): Pass for speed down into
10950         cost helper functions.
10951         (const_ok_for_op): Handle COMPARE and inequality nodes.
10952         (arm_rtx_costs_1): Rewrite.
10953         (arm_size_rtx_costs): Update prototype.
10954         (arm_rtx_costs): Pass speed down to helper functions.
10955         (arm_slowmul_rtx_costs): Rework cost calculations.
10956         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10957         (arm_9e_rtx_costs): Likewise.
10958
10959 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10960
10961         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10962         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10963         (alpha_legitimize_address): Do not split local symbols wider than
10964         UNITS_PER_WORD into HIGH/LO_SUM parts.
10965
10966 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10967
10968         PR bootstrap/38580
10969         * gcc.c (process_command): Replace call to execvp with calls
10970         to pex_one and exit.
10971
10972 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10973
10974         PR target/29141
10975         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10976         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10977         variant for devices with 3-byte PC.
10978         (__tablejump_elpm__): New.
10979
10980 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10981
10982         PR c/32041
10983         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10984         offsetof member-designator, handle it as `[0].'.
10985
10986 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10987
10988         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10989         function when not using named sections on targets with named sections
10990         if branch distance is less than 262132.
10991
10992 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10993
10994         * combine.c (combine_instructions):  Recompute
10995         optimize_this_for_speed_p  for each BB in the main combine loop.
10996
10997 2009-01-12  Tomas Bily  <tbily@suse.cz>
10998
10999         PR middlend/38385
11000         * tree-loop-distribution.c (prop_phis): New function.
11001         (generate_builtin): Call prop_phis.
11002         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11003
11004 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11005
11006         PR tree-optimization/38807
11007         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11008         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11009
11010 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11011
11012         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11013         subreg of op0 to the original op0.
11014
11015 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11016
11017         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11018
11019 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11020
11021         PR debug/7055
11022         * mips-tfile.c (parse_def): Fix parsing of def strings
11023         starting with digits.
11024
11025 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11026
11027         PR target/38695
11028         * config/arm/arm.c (arm_is_long_call_p): Don't call
11029         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11030
11031 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11032
11033         * regrename.c (regrename_optimize): Fix dumping.
11034         (find_oldest_value_reg): Preserve REG_POINTER.
11035         (copy_hardreg_forward_1): Likewise.
11036
11037 2009-01-09  Diego Novillo  <dnovillo@google.com>
11038
11039         * gimple.h (struct gimple_statement_base) <uid>: Document
11040         the restrictions on its use.
11041         (gimple_uid): Tidy.
11042         (gimple_set_uid): Tidy.
11043
11044 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11045
11046         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11047         zero guard even if align_bytes != 0 and count is smaller than
11048         size_needed.
11049
11050 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11051
11052         PR rtl-optimization/38495
11053         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11054         (add_range_and_copies_from_move_list): Print all added ranges.
11055         Add ranges to memory optimized destination.
11056
11057 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11058
11059         PR target/38686
11060         PR target/38708
11061         * config/i386/i386.c (override_options): Reject
11062         -mstringop-strategy=rep_8byte with -m32.
11063         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11064         to 1.  Do count comparison against epilogue_size_needed at compile
11065         time even when count_exp was constant forced into register.  For
11066         size_needed don't jump to epilogue, instead just avoid aligning
11067         and invoke the body algorithm.  If need_zero_guard, add zero guard
11068         even if count is non-zero, but smaller than size_needed + number of
11069         bytes that could be stored for alignment.
11070         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11071         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11072         but smaller than size_needed + number of bytes that could be stored
11073         for alignment.  Compare size_needed with epilogue_size_needed instead
11074         of desired_align - align, don't adjust size_needed, pass
11075         epilogue_size_needed to the epilogue expanders.
11076
11077         PR c/35742
11078         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11079
11080 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11081
11082         * pa.c (last_address): Change to unsigned.
11083         (update_total_code_bytes): Change argument to unsigned.  Don't
11084         check if insn addresses are set.
11085         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11086         addresses are not set.
11087         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11088
11089 2009-01-09  Nick Clifton  <nickc@redhat.com>
11090
11091         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11092         DECL_DECLARED_INLINE_P.
11093
11094 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11095
11096         PR middle-end/38347
11097         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11098         GET_MODE (op0) in operand_subword_force calls.
11099
11100         PR middle-end/38771
11101         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11102         fold_convert arg0 operands to TREE_TYPE (op0) first.
11103
11104 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11105
11106         * params.def (ira-max-conflict-table-size): Decrease default value
11107         to 1000.
11108
11109 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11110
11111         PR tree-optimization/37031
11112         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11113         on parameter_set.
11114         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11115         allocate it using gc instead of heap, use VEC_quick_push instead of
11116         VEC_safe_push.
11117         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11118         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11119         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11120         allocated vector from heap allocated.
11121         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11122         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11123         vector only after perfect_loop_nest_depth call.
11124
11125 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11126             Jan Sjodin  <jan.sjodin@amd.com>
11127
11128         PR tree-optimization/38559
11129         * graphite.c (debug_value, copy_constraint,
11130         swap_constraint_variables, scale_constraint_variable, ): New.
11131         (get_lower_bound, get_upper_bound): Removed.
11132         (graphite_trans_bb_strip_mine): Clean up this code that works
11133         only for constant number of iterations.  Fully copy upper and
11134         lower bound constraints, not only the constant part of them.
11135         * graphite.h (debug_value): Declared.
11136
11137 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11138
11139         PR tree-optimization/37194
11140         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11141         Don't add the cost of cost model guard in prologue to scalar
11142         outside cost in case of known number of iterations.
11143
11144 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11145             Alan Modra  <amodra@bigpond.net.au>
11146
11147         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11148         non-word-aligned REG+CONST addressing.
11149
11150 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11151
11152         PR target/38706
11153         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11154         free_after_compilation when outputting a thunk.
11155         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11156         Do not call free_after_compilation here.
11157
11158 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11159
11160         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11161         (ix86_valid_target_attribute_inner_p): Ditto.
11162
11163 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11164
11165         PR tree-optimization/38492
11166         PR tree-optimization/38498
11167         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11168         * tree-chrec.h (scev_is_linear_expression): Declared.
11169         * graphite.c (graphite_cannot_represent_loop_niter): New.
11170         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11171         (graphite_loop_normal_form): Use gcc_assert.
11172         (scan_tree_for_params): Use CASE_CONVERT.
11173         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11174         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11175         Use gcc_assert.  Discard scops that contain unhandled cases.
11176         (build_scop_conditions): Return a boolean status for unhandled cases.
11177         (strip_mine_profitable_p): Print the loop number, not its depth.
11178         (is_interchange_valid): Pass the depth of the loop nest, don't
11179         recompute it wrongly.
11180         (graphite_trans_bb_block): Same.
11181         (graphite_trans_bb_block): Print tentative of loop blocking.
11182         (graphite_trans_scop_block): Do not print that the loop has been
11183         blocked.
11184         (graphite_transform_loops): Do not handle scops that contain condition
11185         scalar phi nodes.
11186
11187 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11188
11189         AVX Programming Reference (December, 2008)
11190         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11191         (_mm256_stream_pd): Likewise.
11192         (_mm256_stream_ps): Likewise.
11193
11194         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11195         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11196         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11197         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11198         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11199         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11200         (ix86_expand_special_args_builtin): Likewise.
11201
11202         * config/i386/sse.md (AVXMODEDI): New.
11203         (avx_movnt<mode>): Likewise.
11204         (avx_movnt<mode>): Likewise.
11205         (<sse>_movnt<mode>): Remove AVX support.
11206         (sse2_movntv2di): Likewise.
11207
11208 2009-01-07  Richard Guenther  <rguenther@suse.de>
11209
11210         PR middle-end/38751
11211         * fold-const.c (extract_muldiv): Remove obsolete comment.
11212         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11213         to PLUS_EXPR canonicalization for the canonicalization.
11214
11215 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11216
11217         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11218         hosted cross-compilers generating less efficient code.
11219
11220 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11221
11222         * function.h (rtl_data): Add a dbr_scheduled_p field.
11223         * reorg.c (dbr_schedule): Set it.
11224         (gate_handle_delay_slots): Check it.
11225         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11226         (mips_reorg): Check flag_delayed_branch instead of
11227         mips_base_delayed_branch.
11228         (mips_override_options): Don't set mips_base_delayed_branch
11229         or flag_delayed_branch.
11230
11231 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11232
11233         PR rtl-optimization/38426.
11234         * ira.c (ira): Set current_function_is_leaf earlier.
11235
11236 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11237
11238         PR rtl-optimization/38722
11239         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11240         too early, only set a flag and modify after last possible
11241         undo_all point.
11242
11243 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11244
11245         PR c/34252
11246         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11247         * real.c (decimal_single_format): Correct values of emin and emax.
11248         (decimal_double_format): Ditto.
11249         (decimal_quad_format): Ditto.
11250         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11251         computation of DECnn_MIN and DECnn_MAX for corrected values of
11252         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11253         __DECnn_MIN__, and adjust its computation for the corrected value
11254         of emin.
11255
11256 2009-01-06  Jan Hubicka  <jh@suse.cz>
11257
11258         PR target/38744
11259         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11260
11261 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11262
11263         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11264         Add Robert Clark to the list of testers.
11265
11266 2009-01-06  Jan Hubicka  <jh@suse.cz>
11267             Kai Tietz  <kai.tietz@onevision.com>
11268
11269         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11270         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11271
11272 2009-01-06  Jan Hubicka  <jh@suse.cz>
11273             Kai Tietz  <kai.tietz@onevision.com>
11274
11275         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11276         for w64 ABI.
11277         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11278         (ix86_nsaved_regs): Count only general purpose regs.
11279         (ix86_nsaved_sseregs): New.
11280         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11281         to 16 for w64; compute padding and size of sse reg save area.
11282         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11283         general purpose regs.
11284         (ix86_emit_save_sse_regs_using_mov): New.
11285         (ix86_expand_prologue): Save SSE regs if needed.
11286         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11287         (ix86_emit_restore_sse_regs_using_mov): New.
11288         (ix86_expand_epilogue): Save SSE regs if needed.
11289
11290 2009-01-06  Jan Hubicka  <jh@suse.cz>
11291             Kai Tietz  <kai.tietz@onevision.com>
11292
11293         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11294         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11295         functions when accumulate outgoing args is off.
11296
11297 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11298
11299         PR bootstrap/38742
11300         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11301         before using pseudos_have_intersected_live_ranges_p.
11302
11303         * ira-int.h (ira_assert): Always define.
11304
11305 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11306
11307         AVX Programming Reference (December, 2008)
11308         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11309         (_mm256_permute2_pd): Likewise.
11310         (_mm_permute2_ps): Likewise.
11311         (_mm256_permute2_ps): Likewise.
11312         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11313         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11314
11315         * config/i386/i386.c (ix86_builtins): Remove
11316         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11317         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11318         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11319         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11320         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11321         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11322         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11323         __builtin_ia32_vpermil2ps256.
11324         (ix86_init_mmx_sse_builtins): Updated.
11325         (ix86_expand_args_builtin): Likewise.
11326
11327 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11328
11329         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11330         long absolute calls when generating PA 2.0 code.
11331
11332 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11333
11334         PR rtl-optimization/38583
11335         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11336
11337         * params.def (ira-max-conflict-table-size): New.
11338
11339         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11340
11341         * ira.h (ira_conflicts_p): New external definition.
11342
11343         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11344         table.  Report this.  Return result of building.
11345         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11346         building conflict table.
11347
11348         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11349         (ira_color): Use ira_conflicts_p.
11350
11351         * global.c: Include ira.h.
11352         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11353         ira_conflicts_p.
11354
11355         * Makefile.in (global.o): Add ira.h.
11356
11357         * ira-build.c (mark_all_loops_for_removal,
11358         propagate_some_info_from_allocno): New.
11359         (remove_unnecessary_allocnos): Call
11360         propagate_some_info_from_allocno.
11361         (remove_low_level_allocnos): New.
11362         (remove_unnecessary_regions): Add parameter.  Call
11363         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11364         parameter to remove_unnecessary_regions.
11365         (ira_build): Remove all regions but root if the conflict table was
11366         not built.  Update conflict hard regs for allocnos crossing calls.
11367
11368         * ira.c (ira_conflicts_p): New global.
11369         (ira): Define and use ira_conflicts_p.
11370
11371         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11372         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11373         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11374
11375 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11376
11377         * gengtype-lex.l (YY_NO_INPUT): Define.
11378
11379 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11380
11381         PR c/34911
11382         * c-common.c (handle_vector_size_attribute): Also reject
11383         BOOLEAN_TYPE types.
11384
11385 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11386
11387         PR tree-optimization/38492
11388         * graphite.c (rename_map_elt, debug_rename_elt,
11389         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11390         rename_map_elt_info, eq_rename_map_elts,
11391         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11392         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11393         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11394         (sese_build_livein_liveouts): New.
11395         (new_sese, free_sese): New.
11396         (new_scop): Call new_sese.
11397         (free_scop): Call free_sese.
11398         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11399         (register_old_new_names): Renamed register_old_and_new_names.
11400         (register_scop_liveout_renames, add_loop_exit_phis,
11401         insert_loop_close_phis, struct igp,
11402         default_liveout_before_guard, add_guard_exit_phis,
11403         insert_guard_phis, copy_renames): New.
11404         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11405         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11406         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11407         (scop_adjust_phis_for_liveouts): New.
11408         (gloog): Call scop_adjust_phis_for_liveouts.
11409
11410         * graphite.h (struct sese): Documented.  Added fields liveout,
11411         num_ver and livein.
11412         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11413         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11414         (struct scop): Added field liveout_renames.
11415         (SCOP_LIVEOUT_RENAMES): New.
11416
11417 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11418
11419         PR tree-optimization/38510
11420         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11421         (translate_clast): Call recompute_all_dominators before
11422         graphite_verify.
11423         (gloog): Call recompute_all_dominators before graphite_verify.
11424
11425 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11426             Jan Sjodin  <jan.sjodin@amd.com>
11427
11428         PR tree-optimization/38500
11429         * graphite.c (create_sese_edges): Call fix_loop_structure after
11430         splitting blocks.
11431
11432 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11433
11434         * config.gcc: Add m32r*-*-rtems*.
11435         * config/m32r/rtems.h: New file.
11436
11437 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11438
11439         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11440         (.po.pox): Likewise.
11441         (po/gcc.pot): Likewise.
11442
11443 2009-01-04  David S. Miller  <davem@davemloft.net>
11444
11445         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11446         (STARTING_FRAME_OFFSET): Always set to zero.
11447
11448 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11449
11450         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11451         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11452         fixed-point types, and vectors of the same.
11453
11454 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11455
11456         * config/mips/sync.md (*mb_barrier): Rename to...
11457         (*memory_barrier): ...this.
11458
11459 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11460
11461         * doc/extend.texi (Function Attributes): Move @cindex after @item
11462         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11463         and put in alphabetical order. Fix 'target' name and put in order.
11464         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11465         typos.
11466
11467 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11468
11469         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11470         (memory_barrier): Expand as unspec instead of unspec_volatile.
11471         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11472         (*memory_barrier): Define as unspec instead of unspec_volatile.
11473         Use (match_dup 0) as input operand.
11474
11475         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11476         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11477         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11478         scratch register.  Remove operand 1.
11479         (*stbar): Define as unspec instead of unspec_volatile.
11480         Use (match_dup 0) as input operand, remove (const_int 8).
11481         (*membar): Define as unspec instead of unspec_volatile.
11482         Use (match_dup 0) as input operand, remove input operand 2.
11483
11484         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11485         (memory_barrier): Expand as unspec instead of unspec_volatile.
11486         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11487         (*memory_barrier): Define as unspec instead of unspec_volatile.
11488         Use (match_dup 0) as input operand.
11489
11490         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11491         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11492         Set volatile flag on operand 0.
11493         (*memory_barrier): New insn pattern.
11494
11495         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11496         insn operands.
11497         (*memory_barrier): Use (match_dup 0) as input operand.
11498
11499         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11500         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11501         Set volatile flag on operand 0.
11502         (*mb_internal): New insn pattern.
11503
11504         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11505
11506 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11507
11508         PR middle-end/38586
11509         * function.c (struct temp_slot): Move to the section of the file
11510         that deals with temp slots.  Remove field 'address'.
11511         (temp_slot_address_table): New hash table of address -> temp slot.
11512         (struct temp_slot_address_entry): New struct, items for the table.
11513         (temp_slot_address_compute_hash, temp_slot_address_hash,
11514         temp_slot_address_eq, insert_temp_slot_address): Support functions
11515         for the new table.
11516         (find_temp_slot_from_address): Rewrite to use the new hash table.
11517         (remove_unused_temp_slot_addresses): Remove addresses of temp
11518         slots that have been made available.
11519         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11520         worker function for remove_unused_temp_slot_addresses.
11521         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11522         Add the temp slot address to the address -> temp slot map.
11523         (update_temp_slot_address): Update via insert_temp_slot_address.
11524         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11525         (pop_temp_slots): Likewise.
11526         (init_temp_slots): Allocate the address -> temp slot map, or empty
11527         the map if it is already allocated.
11528         (prepare_function_start): Initialize temp slot processing.
11529
11530 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11531
11532         PR middle-end/38584
11533         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11534         Calculate the size of all stack vars assuming no packing of stack
11535         vars will happen, replacing a quadratic algorithm with a linear one.
11536
11537 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11538
11539         PR target/38707
11540         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11541         can't be used.
11542
11543 2009-01-03  Diego Novillo  <dnovillo@google.com>
11544
11545         * doc/contrib.texi: Update contributions.
11546
11547 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11548
11549         PR c++/38705
11550         * builtins.c (fold_builtin_memory_op): Give up if either operand
11551         is volatile.  Set srctype or desttype to non-qualified version
11552         of the other type.
11553
11554         PR c/38700
11555         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11556         and FUNCTION_DECLs.
11557
11558 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11559
11560         PR rtl-optimization/35805
11561         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11562         problem if fast dce is able to remove any instructions.
11563         * dce.c (dce_process_block): Fix dump message.
11564
11565 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11566
11567         PR 33649
11568         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11569
11570 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11571
11572         PR middle-end/38690
11573         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11574         * tree-pretty-print.c (op_code_prio): New function.
11575         (op_prio): No longer static.  Use op_code_prio.
11576         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11577         Use op_prio and op_code_prio to determine if () should be
11578         printed around operand(s) or not.
11579
11580         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11581         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11582         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11583         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11584         pp_character instead of pp_string for single letter printing.
11585
11586 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11587
11588         * doc/extend.texi: Fix '#pragma GCC option' typo.
11589
11590 2009-01-02  Richard Guenther  <rguenther@suse.de>
11591
11592         * doc/install.texi (--enable-checking): Mention different
11593         default for stage1.
11594         (--enable-stage1-checking): Document.
11595
11596 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11597
11598         PR middle-end/30142
11599         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11600         case to be an error.
11601
11602 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11603
11604         * config/fp-bit.h (pack_d): Constify argument.
11605         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11606         (isnan): Constify argument.
11607         (isinf): Likewise.
11608         (iszero): Likewise.
11609         (pack_d): Likewise.
11610         (_fpadd_parts): Constify return type.
11611         (_fpmul_parts): Likewise.
11612         (_fpdiv_parts): Likewise.
11613
11614 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11615
11616         PR c/36489
11617         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11618         warn about overwriting initializer with side-effects or
11619         -Woverride-init if !IMPLICIT.
11620         (output_init_element): Likewise.  Pass IMPLICIT down to
11621         add_pending_init.
11622         (process_init_element): Add IMPLICIT argument.  Pass it down
11623         to output_init_element.
11624         (push_init_element, pop_init_level, set_designator): Adjust
11625         process_init_element callers.
11626         (set_nonincremental_init, set_nonincremental_init_from_string):
11627         Adjust add_pending_init callers.
11628         (output_pending_init_elements): Adjust output_init_element callers.
11629         * c-tree.h (process_init_element): Adjust prototype.
11630         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11631         process_init_element callers.
11632
11633 \f
11634 Copyright (C) 2009 Free Software Foundation, Inc.
11635
11636 Copying and distribution of this file, with or without modification,
11637 are permitted in any medium without royalty provided the copyright
11638 notice and this notice are preserved.