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* c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
2
3         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
4         (handle_stdc_pragma): Use new enum constant names.
5         (handle_pragma_float_const_decimal64): Ditto.
6
7 2009-05-13  Ian Lance Taylor  <iant@google.com>
8
9         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
10         tree.def.
11
12 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
13
14         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
15         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
16         multilibs.
17         * config/m68k/m68k.h (FL_UCLINUX): Define.
18
19 2009-05-13  Jan Hubicka  <jh@suse.cz>
20
21         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
22
23 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
24
25         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
26         unless -fschedule-insns is specified.
27
28 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
29
30         PR target/39561
31         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
32         TARGET_EXPAND_CBRANCHDI4.
33         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
34         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
35         (cmpeqdi): Fix comment.
36
37 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
38
39         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
40         (sh_legitimate_address_p): Likewise.
41         * config/sh/sh.c (sh_legitimate_index_p): New.
42         (sh_legitimate_address_p): Likewise.
43         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
44         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
45         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
46         (MAYBE_BASE_REGISTER_RTX_P): New macro.
47         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
48         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
49         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
50         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
51         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
52
53 2009-05-12  Jan Hubicka  <jh@suse.cz>
54
55         * tree-inline.c (estimate_operator_cost): Add operands;
56         when division happens by constant, it is cheap.
57         (estimate_num_insns): Loads and stores are not having cost of 0;
58         EH magic stuff is cheap; when computing runtime cost of switch,
59         use log2 base of amount of its cases; builtin_expect has cost of 0;
60         compute cost for moving return value of call.
61         (init_inline_once): Initialize time_based flags.
62         * tree-inline.h (eni_weights_d): Add time_based flag.
63
64 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
65
66         * df-core.c: Update head documentation.
67
68 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
69
70         PR bootstrap/40118
71         * rs6000.c (rs6000_generate_compare): Use op1b instead of
72         shadowing exisiting variable op1.
73
74 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
75
76         PR target/37179
77         * config/i386/driver-i386.c (processor_signatures): New enum.
78         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
79         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
80         processor signature to detect geode processor.
81
82 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
83
84         Revert:
85
86         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
87
88         * optabs.c (prepare_cmp_insn): Temporarily disable test that
89         causes spurious differences between trunk and cond-optab branch.
90
91 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
92
93         * dojump.c (compare_from_rtx): Delete.
94         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
95         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
96         if the comparison does not satisfy the predicate; test predicates for
97         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
98         further if one existing pattern fails.
99         * expr.h (compare_from_rtx): Delete.
100         (prepare_operand): Declare it.
101         * optabs.c: Change "lib call" to "libcall" throughout.
102         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
103         HAVE_conditional_trap, emit_cmp_insn): Delete.
104         (can_compare_p): Delete cmp_optab case.
105         (prepare_float_lib_cmp): Return an rtx and a machine mode.
106         Accept other parameters by value.
107         (prepare_operand): Make non-static.
108         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
109         other parameters by value.  Try to widen operands here based on
110         an optab_methods argument and looking at cbranch_optab.
111         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
112         loop.  Use cbranch_optab directly.
113         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
114         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
115         assertion.
116         (emit_conditional_move, emit_conditional_add): Inline what's needed
117         of compare_from_rtx, using new prepare_cmp_insn for the rest.
118         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
119         with COMPARE.  Move cmov_optab and cstore_optab above
120         with cbranch_optab, move cmp_optab down with ucmp_optab,
121         remove tst_otpab.  Do not initialize trap_rtx.
122         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
123         for trap code.  Do not check HAVE_conditional_trap.  Use
124         prepare_cmp_insn.  Accept no predicate for operand 3.
125         * optabs.h (OTI_cmp): Mark as used only for libcalls.
126         (OTI_ctrap, ctrap_optab): New.
127         (tst_optab): Delete.
128         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
129         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
130         with lookup of ctrap_optab.
131         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
132         setcc_gen_code): Delete.
133         (ctrap_optab): New.
134
135         * combine.c (combine_simplify_rtx, simplify_set): Do not
136         special case comparing against zero for cc0 machines.
137         * simplify-rtx.c (simplify_binary_operation_1): Never remove
138         COMPARE on cc0 machines.
139         (simplify_relational_operation): Return a new expression when
140         a COMPARE could be removed.
141         * final.c (final_scan_insn): Compare cc_status values
142         against LHS of a (compare FOO (const_int 0)) cc0 source.
143         Also check if cc_status.value is the full compare.
144
145         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
146         (cstoreMM4): Document.
147         (conditional_trap): Document ctrapMM4 instead.
148         (sync_compare_and_swapMM): Refer to cbranchcc4.
149         (Dependent Patterns): Eliminate obsolete information referring to
150         the old jump optimization phase.
151         (Canonicalization): Include cbranchcc4 case, omit canonicalization
152         of compares with 0 on cc0 machines.
153         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
154         avoiding references to cc0.  Remove text about storing operands
155         in cmpMM.
156         * doc/tm.texi (Condition Codes): Include blurb on different
157         condition code representations, separate into subsections for
158         CC0, MODE_CC and conditional execution.
159
160         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
161         alpha_emit_setcc): Accept operands and a machine mode.
162         * config/alpha/alpha.c (alpha_emit_conditional_branch):
163         Get code/op0/op1 from operands, use machine mode argument
164         instead of alpha_compare.fp_p.  Emit the branch here.
165         (alpha_emit_setcc): Likewise, and return boolean.
166         (alpha_emit_conditional_move): Likewise.  Assert that
167         cmp_op_mode == cmp_mode, and simplify accordingly.
168         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
169         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
170         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
171         Delete.
172         (stack probe test): Use cbranchdi4.
173         * config/alpha/predicates.md (alpha_cbranch_operator): New.
174
175         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
176         * config/arc/arc.h (movsicc, movsfcc): Use it.
177         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
178         (cbranchsi4, cstoresi4): New.
179         (cmpsi, bCC and sCC expanders): Remove. 
180
181         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
182         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
183         * config/arm/predicates.md (arm_comparison_operator): Only include
184         floating-point operators if there is a hardware floating-point unit.
185         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
186         deferring to cbranch_cc and cstore_cc respectively.
187         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
188         cbranch_cc, cstore_cc): New.
189         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
190         arm_compare_op1.
191         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
192
193         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
194         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
195         as an argument.
196         (adjust_insn_length): Adjust calls.
197         (avr_reorg): Handle (compare (foo) (const_int 0)).
198         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
199         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
200         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
201         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
202         (bCC): Remove.
203         (cbranchqi4, cbranchhi4, cbranchsi4): New.
204         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
205
206         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
207         (cbranchsi4, cstorebi4, cstoresi4): New.
208         (movbisi): This insn is duplicate, split it to zero_extend.
209         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
210         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
211         (bfin_optimize_loop): Use cbranch expander.
212         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
213         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
214         (bfin_bimode_comparison_operator): ... this.
215         (bfin_direct_comparison_operator): New.
216  
217         * config/cris/cris.c (cris_normal_notice_update_cc): Look
218         inside (compare FOO (const_int 0)).
219         (cris_rtx_costs): Handle ZERO_EXTRACT.
220         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
221         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
222         (*tstdi_v32): Delete.
223         (*cmpdi_non_v32): Add M alternative for operand 1.
224         (cmpsi, cmp<mode>): Make private.
225         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
226         with COMPARE.
227         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
228
229         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
230         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
231         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
232         (cc_reg_operand): New.
233         (any_cond): Delete.
234         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
235         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
236         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
237         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
238         crx_expand_scond): Delete.
239
240         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
241         (cbranchsi4): New.
242         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
243         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
244
245         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
246         cstoresi4, cstoresf4, cstoredf4): New.
247         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
248         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
249         Receive the entire operands array.
250         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
251         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
252         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
253         Get test/op0/op1 from the operands array.
254         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
255
256         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
257         (h8300_expand_store): New.
258         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
259         (const_int 0)).
260         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
261         (h8300_expand_store): New.
262         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
263         or do not try to produce (set (cc0) REG).
264         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
265         change a compare into a move to a scratch register.  Disable some
266         peepholes when comparing with zero.
267         (tstsi, tsthi, tstsi, cmpqi): Make private.
268         (cmphi): Delete.
269         (bCC, sCC): Delete.
270         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
271         cstoresi4): New.
272
273         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
274         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
275         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
276         (ix86_emit_i387_log1p): Use cbranchxf2.
277         (ix86_expand_setcc): Return void.
278         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
279         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
280         cmp<MODEF>, cmpcc): Remove.
281         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
282         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
283         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
284         (sCC and bCC expanders): Remove.
285         (stack_protect_test): Use cbranchcc4.
286
287         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
288         Delete.
289         (ia64_expand_compare): Accept three rtx by reference and return void.
290         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
291         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
292         from *expr.  Update *expr with the BImode comparison to do.
293         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
294         cmptf, bCC, sCC, conditional_trap): Delete.
295         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
296         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
297         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
298         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
299         * config/ia64/predicates.md (ia64_cbranch_operator): New.
300
301         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
302         type of last argument.
303         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
304         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
305         use machine mode argument instead of branch_type.  Remove dead
306         code for floating-point comparisons.
307         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
308         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
309         Remove.
310         (cbranchsi4, cstoresi4): New.
311         * config/iq2000/predicates.md (reg_or_const_operand): New.
312
313         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
314         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
315         (b<code>_op): Rewrite to...
316         (bcc_op): ... this, using match_operator.
317         (s<code>_op): Rewrite to...
318         (scc_op): ... this, using match_operator.
319         (s<code>_24_op): Rewrite to...
320         (scc_op_24): ... this, using match_operator.
321         (s<code>_<mode>): Rewrite to...
322         (cstore<mode>4): ... this, using match_operator.
323         (s<code>_<mode>_24): Rewrite to...
324         (cstore<mode>4_24): ... this, using match_operator.
325         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
326         m32c_unpend_compare, m32c_expand_scc): Delete.
327         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
328         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
329         (m32c_expand_movcc): Change NE to EQ if necessary.
330         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
331
332         * config/m32r/m32r-protos.h (gen_cond_store): New.
333         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
334         (gen_cond_store): New, from sCC patterns.
335         (m32r_expand_block_move): Use cbranchsi4.
336         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
337         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
338         (cbranchsi4, cstoresi4): New.
339         
340         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
341         Delete.
342         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
343         (m68hc11_notice_update_cc): Look into a compare with 0.
344         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
345         Delete.
346         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
347         cmphi, cmpqi, bCC): Delete.
348         (cbranchsi4, cbranchhi4, cbranchqi4): New.
349         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
350         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
351         sets with COMPARE.
352
353         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
354         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
355         * config/m68k/constraints.md (H): New.
356         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
357         the define_insn below.
358         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
359         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
360         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
361         patterns): Wrap RHS with COMPARE.
362         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
363         (*cmpdi_internal): Name this pattern.
364         (cmpdi): Change to define_insn.
365         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
366         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
367         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
368         predicate.
369         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
370         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
371         (conditional_trap): Change to...
372         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
373         (*conditional_trap): Use the ordered_comparison_operator and
374         const1_operand predicates.
375         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
376         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
377         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
378         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
379
380         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
381         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
382         (mcore_gen_compare): New. 
383         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
384         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
385         (mcore_gen_compare): ... this.
386         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
387         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
388         (stack probe pattern): Use cbranchsi4.
389
390         * config/mips/predicates.md (mips_cstore_operator): New.
391         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
392         * config/mips/mips.md (any_cond): Delete.
393         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
394         always succeed.
395         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
396         fixuns_truncsfdi2): Use cbranch patterns.
397         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
398         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
399         Adjust call to mips_expand_conditional_branch.
400         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
401         cstore<GPR:mode>4.
402         * config/mips/mips-protos.h (mips_expand_conditional_branch,
403         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
404         * config/mips/mips.c (cmp_operands): Delete.
405         (mips_emit_compare): Get comparison operands from *op0/*op1.
406         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
407         that it succeeds.  Use op0/op1 instead of cmp_operands.
408         (mips_expand_conditional_branch, mips_expand_conditional_move,
409         mips_expand_conditional_trap): Likewise.
410         (mips_block_move_loop): Use cbranch patterns. 
411         * config/mips/mips.h (cmp_operands): Delete.
412
413         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
414         (mmix_gen_compare_reg): Just return a register in the right CC mode.
415         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
416         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
417         (*cmpcc_folded): Rename to...
418         (*cmpdi_folded): this.
419         (*cmpcc): Rename to...
420         (*cmps): ... this.
421         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
422         (bCC): Remove.
423         (cbranchdi4): New.
424         (cbranchdf4): New.  Handle invalid comparisons here.
425         * config/mmix/predicates.md (float_comparison_operator): New.
426
427         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
428         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
429         * config/mn10300/mn10300.md (tst): Delete.
430         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
431         Name these patterns and wrap RHS in a compare.
432         (*cmpsi): Make this pattern private.  Include tst.
433         (*cmpsf): Make this pattern private.
434         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
435         (compare with zero peepholes): Likewise.
436         (bCC): Remove.
437         (cbranchsi4, cbranchsf4): New.
438         (casesi): Use cbranchsi4.
439
440         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
441         hppa_branch_type): Delete.
442         (return_addr_rtx): Use cbranchsi4.
443         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
444         Emit CCFPmode comparison here.
445         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
446         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
447         hppa_branch_type): Delete.
448         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
449         (movsicc, movdicc): Remove references to hppa_compare_op0,
450         hppa_compare_op1 and compare_from_rtx.
451         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
452         (casesi): Use cbranchsi4.
453
454         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
455         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
456         * config/pdp11/pdp11.md (register_or_const0_operand): New.
457         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
458         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
459         (bCC): Delete.
460         (cbranchdf4, cbranchhi4, cbranchqi4): New.
461         (*branch, *branch_inverted): New.
462
463         * config/picochip/picochip.md (cbranchhi4): Use
464         ordered_comparison_operator.
465         (cmphi, bCC): Remove.
466
467         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
468         (trap_comparison_operator): Delete.
469         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
470         rs6000_emit_cbranch): Accept mode and operands.
471         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
472         rs6000_compare_fp_p): Delete.   
473         (rs6000_generate_compare): Accept mode and comparison.  Extract code
474         and op0/op1 from there.  Replace references to rs6000_compare_op0
475         and rs6000_compare_op1.
476         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
477         extract result from passed operands.
478         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
479         extract loc from passed operands.
480         (rs6000_emit_cmove): Likewise.
481         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
482         rs6000_compare_fp_p): Delete.
483         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
484         (cbranch<GPR>4, cbranch<FP>4): New.
485         (cstore<mode>4): New.  Consolidate here all choices about when to use
486         portable or specialized sCC sequences.
487         (stack_protect_test): Use cbranchsi4.
488         (conditional_trap): Replace with ctrap<GPR>4.
489         (conditional trap insn): Replace trap_comparison_operator with
490         ordered_comparison_operator. 
491
492         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
493         (s390_emit_prologue): Use ctrap.
494         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
495         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
496         New predicates replacing...
497         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
498         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
499         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
500         (add<mode>cc): Do not use s390_compare_op0/op1.
501         (s<code>): Change to...
502         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
503         (seq): Change to...
504         (cstorecc4): ... this.  Handle EQ or NE equally.
505         (*sne): Un-privatize for use in cstorecc4.
506         (b<code>): Change to...
507         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
508         (conditional_trap): Replace with...
509         (ctrap<GPR>4, ctrap<FP>4): ... these.
510         (stack_protect): Use cbranchcc4.
511
512         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
513         * config/score/score-protos.h (score_gen_cmp): Delete.
514         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
515         (score_block_move-loop): Use cbranchsi4.
516         * config/score/score.md (cbranchsi4): New.
517         (cmpsi, bCC): Delete.
518         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
519         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
520         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
521         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
522         * config/score/score3.h (score3_gen_cmp): Delete.
523         * config/score/score7.h (score7_gen_cmp): Delete.
524
525         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
526         (sh_emit_scc_to_t): ... this.  Return void.
527         (from_compare): Rename to...
528         (sh_emit_compare_and_branch): ... this.
529         (sh_emit_compare_and_set): New.
530         (sh_expand_t_scc): Accept operands.
531         * config/sh/predicates.md (sh_float_comparison_operator): New.
532         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
533         (prepare_scc_operands): Rename to...
534         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
535         arguments.
536         (sh_emit_cheap_store_flag): New.
537         (sh_emit_set_t_insn): New.
538         (from_compare): Rename to...
539         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
540         handling of TARGET_SH2E floating point to avoid recursive call.
541         Generate branch here.
542         (sh_emit_compare_and_set): New.
543         (sh_expand_t_scc): Get op0/op1 from arguments.
544         (sh_emit_cheap_store_flag): New.
545         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
546         cases.
547         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
548         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
549         (movsicc, movdicc): Do nothing when it recreated operands from
550         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
551         prepare_scc_operands (now sh_emit_scc_to_t).
552         (udivdi3): Use cstoresi4.
553         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
554         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
555         (cbranchint4_media, cbranchfp4_media): New.
556         (casesi): Use cbranchdi4.
557         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
558         Delete.
559         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
560         (movnegt): Remove second operand.
561         (cbranchsf4, cbranchdf4): New.
562         (stack_protect): Use cbranchdi4/cbranchsi4.
563
564         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
565         (gen_compare_reg): Accept comparison, extract part of it to...
566         (gen_compare_reg_1): ... this. 
567         (gen_compare_operator): Delete.
568         (gen_v9_scc): Accept separate destination, comparison code and arms.
569         Do not use sparc_compare_op0/sparc_compare_op1.
570         (emit_scc_insn, emit_conditional_branch_insn): New.
571         (emit_v9_brxx): Make static.  Remove useless assertion.
572         (sparc_emit_float_lib_cmp): Return RTL instead of calling
573         emit_cmp_insn.
574         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
575         * config/sparc/sparc-protos.h (gen_compare_reg,
576         sparc_emit_float_lib_cmp): Adjust prototype.
577         (emit_scc_insn, emit_conditional_branch_insn): New.
578         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
579         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
580         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
581         iterators to the top.
582         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
583         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
584         snedi_special_trunc): Delete.
585         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
586         and snedi_special_trunc.
587         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
588         cbranchdi4, cbranch<F:mode>4): New.
589         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
590         here.  Use gen_compare_reg instead of gen_compare_operator.
591         (conditional_trap): Replace with...
592         (ctrapsi4, ctrapdi4): ... this.
593         (stack_protect_test): Use cbranchcc4.
594
595         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
596         argument to rtx.
597         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
598         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
599         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
600         from operands[0] or operands[3] depending on is_set.
601         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
602         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
603         cmpdf, bCC), sCC: Remove.
604         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
605         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
606         cstoredf4): New.
607         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
608         spu_emit_branch_or_set.
609
610         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
611         Add two arguments.
612         * config/stormy16/stormy16.h (xstormy16_compare_op0,
613         xstormy16_compare_op1): Delete.
614         * config/stormy16/stormy16.c (xstormy16_compare_op0,
615         xstormy16_compare_op1): Delete. 
616         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
617         Adjust calls.
618         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
619         (cmphi, cmpsi, bCC): Remove.
620
621         * config/v850/v850.md (tstsi, cmpsi): Fold into...
622         (*cmpsi): ... this one.
623         (cbranchsi4, cstoresi4): New.
624         (bCC expanders): Delete.
625         (sCC insns): Fold into...
626         (*setcc): ... this one.
627         (casesi): Do not use gen_cmpsi and gen_bgtu. 
628         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
629         (movsicc): Simplify.
630         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
631
632         * config/vax/vax-protos.h (cond_name): New.
633         (vax_output_conditional_branch): Remove.
634         * config/vax/vax.c (cond_name): New.
635         (vax_output_conditional_branch): Remove.
636         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
637         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
638         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
639         (bit<VAXint>): Wrap source with (compare).
640         (b<code> and following unnamed pattern): Rename to *branch and
641         *branch_reversed.  Change macroization to match_operator.
642         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
643
644         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
645         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
646         Change last argument to machine_mode.
647         (xtensa_expand_scc): Add machine_mode argument.
648         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
649         (gen_conditional_move, xtensa_expand_conditional_branch,
650         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
651         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
652         Adjust operand numbers.
653         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
654         Delete.
655         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
656         (cmpsi, cmpsf, b<code>, s<code>): Delete.
657         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
658
659 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
660
661         * optabs.c (prepare_cmp_insn): Temporarily disable test that
662         causes spurious differences between trunk and cond-optab branch.
663
664 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
665
666         PR target/37137
667         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
668
669 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
670
671         * tree.c (iterative_hash_pointer): Delete.
672         (iterative_hash_expr): Short-circuit handling of NULL pointer.
673         Hash UIDs and versions of SSA names.  Don't special-case built-in
674         function declarations.
675
676 2009-05-11  Ian Lance Taylor  <iant@google.com>
677
678         PR bootstrap/40103
679         * graphite.c: Force -Wc++-compat to only be a warning before
680         #including "cloog/cloog.h".
681
682 2009-05-11  Martin Jambor  <mjambor@suse.cz>
683
684         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
685         
686 2009-05-11  Jan Hubicka  <jh@suse.cz>
687
688         * tree-ssa-loop-ivcanon.c: Include target.h
689         (struct loop_size): new structure.
690         (constant_after_peeling): New predicate.
691         (tree_estimate_loop_size): New function.
692         (estimated_unrolled_size): Rewrite for new estimates.
693         (try_unroll_loop_completely): Use new estimates.
694         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
695
696 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
697
698         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
699         libcpp interface change.
700         (spu_macro_to_expand): Likewise.
701
702 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
703
704         PR tree-optimization/40026
705         * gimplify.c (gimplify_init_constructor): Change initial conditional
706         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
707         optimize_compound_literals_in_ctor.
708
709 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
710
711         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
712         New devices.
713         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
714
715 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
716
717         * tree-vect-data-refs.c (vect_analyze_group_access): Use
718         HOST_WIDE_INT for gap.
719
720 2009-05-11  Ira Rosen  <irar@il.ibm.com>
721
722         PR tree-optimization/40074
723         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
724         account in group size and step comparison.
725
726 2009-05-11  Richard Guenther  <rguenther@suse.de>
727
728         * passes.c (init_optimization_passes): Strip now incorrect comment.
729         (execute_function_todo): Do not set PROP_alias.
730         * tree-pass.h (PROP_alias): Remove.
731         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
732         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
733         * tree-nrv.c (pass_return_slot): Likewise.
734         * tree-object-size.c (pass_object_sizes): Likewise.
735         * tree-ssa-dom.c (pass_dominator): Likewise.
736         (pass_phi_only_cprop): Likewise.
737         * tree-ssa-dse.c (pass_dse): Likewise.
738         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
739         (pass_cselim): Likewise.
740         * tree-ssa-pre.c (pass_pre): Likewise.
741         (pass_fre): Likewise.
742         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
743         * tree-ssa-sink.c (pass_sink_code): Likewise.
744         * tree-stdarg.c (pass_stdarg): Likewise.
745         * tree-tailcall.c (pass_tail_calls): Likewise.
746         * tree-vrp.c (pass_vrp): Likewise.
747
748 2009-05-10  Ian Lance Taylor  <iant@google.com>
749
750         * basic-block.h (enum profile_status): Break out of struct
751         control_flow_graph.
752         * cgraph.h (struct inline_summary): Break out of struct
753         cgraph_local_info.
754         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
755         of struct cgraph_order_sort.
756         * combine.c (enum undo_kind): New enum, broken out of struct undo.
757         * cse.c (struct branch_path): Break out of struct
758         cse_basic_block_data.
759         * except.h (enum eh_region_type): Break out of struct eh_region.
760         * gcc.c (enum add_del): Break out of struct modify_target.
761         * genrecog.c (enum decision_type): Break out of struct decision_test.
762         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
763         ggc_pch_data.
764         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
765         * regmove.c (enum match_use): New enum, broken out of struct match.
766         * sched-int.h (enum post_call_group): New enum, broken out of
767         struct deps.
768         (struct deps_reg): Break out of struct deps.
769         * target.h (struct asm_int_op): Break out of struct gcc_target.
770         * tree-eh.c (struct goto_queue_node): Break out of struct
771         leh_tf_state.
772         * tree-inline.h (enum copy_body_cge_which): Break out of
773         copy_body_data.
774         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
775
776         * c-decl.c (in_struct, struct_types): New static variables.
777         (pushtag): Add loc parameter.  Change all callers.
778         (lookup_tag): Add ploc parameter.  Change all callers.
779         (check_compound_literal_type): New function.
780         (parser_xref_tag): Add loc parameter.  Change all callers.  If
781         -Wc++-compat, warn about struct/union/enum types defined within a
782         struct or union.
783         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
784         and loc parameters.  Change all callers.  Change error calls to
785         error_at, using loc.  For a redefinition, if the location of the
786         original definition is known, report it.  Set in_struct and
787         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
788         (finish_struct): Add new parameters enclosing_in_struct and
789         enclosing_struct_types.  Change all callers.  Set
790         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
791         in the struct.  If in a struct, add this struct to struct_types.
792         (start_enum): Add loc parameter.  Change all callers.  Use
793         error_at for errors, using loc.  For a redefinition, if the
794         location of the original definition is known, report it.  If in a
795         struct, add this enum type to struct_types.  If -Wc++-compat warn
796         if in sizeof, typeof, or alignof.
797         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
798         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
799         (c_parser_enum_specifier): Get enum location for start_enum.
800         (c_parser_struct_or_union_specifier): Get struct location for
801         start_struct.  Save in_struct and struct_types status between
802         start_struct and finish_struct.
803         (c_parser_cast_expression): Get location of cast.
804         (c_parser_alignof_expression): Get location of type.
805         (c_parser_postfix_expression): Likewise.
806         (c_parser_postfix_expression_after_paren_type): Add type_loc
807         parameter.  Change all callers.  Call check_compound_literal_type.
808         Use type_loc for error about variable size type.
809         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
810         of an enum constant from an enum type defined in a struct or union.
811         (c_cast_expr): Add loc parameter.  Change all callers.  If
812         -Wc++-compat, warn about defining a type in a cast.
813         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
814         (start_enum, start_struct, finish_struct): Update declarations.
815         (parser_xref_tag, c_cast_expr): Update declarations.
816         (check_compound_literal_type): Declare.
817
818 2009-05-11  Ben Elliston  <bje@au.ibm.com>
819
820         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
821         for recent libcpp interface change.
822         (rs6000_macro_to_expand): Likewise.
823
824 2009-05-10  Michael Matz  <matz@suse.de>
825
826         PR target/40031
827         * config/arm/arm.c (require_pic_register): Emit on entry edge,
828         not at entry of function.
829
830 2009-05-10  Richard Guenther  <rguenther@suse.de>
831
832         PR tree-optimization/40081
833         Revert
834         * tree-sra.c (instantiate_element): Instantiate scalar replacements
835         using the main variant of the element type.  Do not fiddle with
836         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
837
838         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
839         structs with volatile fields.
840
841 2009-05-10  Jan Hubicka  <jh@suse.cz>
842
843         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
844         (estimate_move_cost): Assert that it does not get called for
845         VOID_TYPE_P.
846         (estimate_num_insns): Skip VOID types in argument handling.
847         (optimize_inline_calls): Delete unreachable blocks and verify that
848         callgraph is valid.
849
850 2009-05-10  Jan Hubicka  <jh@suse.cz>
851
852         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
853         * cgraph.c (cgraph_mark_address_taken_node): New function.
854         (dump_cgraph_node): Dump new flag.
855         * cgraph.h (struct cgraph_node): Add address_taken.
856         (cgraph_mark_address_taken_node): New function.
857         * ipa.c (cgraph_postorder): Prioritize functions with address taken
858         since new direct calls can be born.
859
860 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
861
862         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
863         tok->val.node.node.
864
865 2009-05-10  Jan Hubicka  <jh@suse.cz>
866
867         PR middle-end/40084
868         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
869         argument; rewrite.
870         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
871         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
872         * tree-inline.c (copy_bb): Set frequency correctly.
873         (fold_marked_statements): Update call to
874         cgraph_update_edges_for_call_stmt.
875
876 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
877
878         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
879         identifiers in diagnostics.
880         * config/arm/arm.c (arm_handle_fndecl_attribute,
881         arm_handle_isr_attribute): Likewise.
882         * config/avr/avr.c (avr_handle_progmem_attribute,
883         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
884         Likewise.
885         * config/bfin/bfin.c (handle_int_attribute,
886         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
887         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
888         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
889         Likewise.
890         * config/darwin.c (darwin_handle_kext_attribute,
891         darwin_handle_weak_import_attribute): Likewise.
892         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
893         h8300_handle_eightbit_data_attribute,
894         h8300_handle_tiny_data_attribute): Likewise.
895         * config/i386/i386.c (ix86_handle_cconv_attribute,
896         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
897         Likewise.
898         * config/i386/winnt.c (ix86_handle_shared_attribute,
899         ix86_handle_selectany_attribute): Likewise.
900         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
901         * config/m32c/m32c.c (function_vector_handler): Likewise.
902         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
903         m68hc11_handle_fntype_attribute): Likewise.
904         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
905         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
906         * config/mips/mips.c (mips_insert_attributes,
907         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
908         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
909         rs6000_handle_struct_attribute): Likewise.
910         * config/sh/sh.c (sh_insert_attributes,
911         sh_handle_resbank_handler_attribute,
912         sh_handle_interrupt_handler_attribute,
913         sh2a_handle_function_vector_handler_attribute,
914         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
915         Likewise.
916         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
917         * config/spu/spu.c (spu_handle_fndecl_attribute,
918         spu_handle_vector_attribute): Likewise.
919         * config/stormy16/stormy16.c
920         (xstormy16_handle_interrupt_attribute): Likewise.
921         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
922         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
923
924 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
925
926         * pretty-print.h (struct pretty_print_info): Add
927         translate_identifiers.
928         (pp_translate_identifiers): New.
929         (pp_identifier): Only conditionally translate identifier to locale
930         character set.
931         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
932         (pp_base_tree_identifier): Only conditionally translate identifier
933         to locale character set.
934         * c-pretty-print.c (M_): Define.
935         (pp_c_type_specifier, pp_c_primary_expression): Mark English
936         fragments for conditional translation with M_.
937         * tree-pretty-print.c (maybe_init_pretty_print): Disable
938         identifier translation.
939
940 2009-05-10  Richard Guenther  <rguenther@suse.de>
941
942         PR tree-optimization/40081
943         * tree-sra.c (instantiate_element): Instantiate scalar replacements
944         using the main variant of the element type.  Do not fiddle with
945         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
946
947 2009-05-09  Jan Hubicka  <jh@suse.cz>
948
949         PR middle-end/40080
950         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
951         indirect calls; verify cgraph afterwards.
952
953 2009-05-09  Jan Hubicka  <jh@suse.cz>
954
955         PR bootstrap/40082
956         * ipa.c (update_inlined_to_pointer): New function.
957         (cgraph_remove_unreachable_nodes): Use it.
958
959 2009-05-09  Jan Hubicka  <jh@suse.cz>
960
961         * tree-eh.c (struct leh_state): Remove prev_try.
962         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
963         not track prev_try.
964         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
965         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
966         remove_eh_handler_and_replace, foreach_reachable_handler,
967         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
968         * except.h (struct eh_region): Remove eh_region_u_cleanup.
969         (gen_eh_region_cleanup): Update prototype.
970
971 2009-05-09  Jan Hubicka  <jh@suse.cz>
972
973         PR middle-end/40043
974         * except.c (copy_eh_region): Always set prev_try.
975         (redirect_eh_edge_to_label): Find outer try.
976         (foreach_reachable_handler): When looking for prev try
977         handle case where previous try is not going to be taken.
978
979 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
980
981         PR tree-optimization/40049
982         * tree-vect-stmts.c (vectorizable_operation): If the machine has
983         only vector/vector shifts, convert the type of the constant to the
984         appropriate type to avoid building incorrect trees, which
985         eventually have problems with garbage collection.
986
987 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
988
989         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
990         -1 for complex floating-point types if honoring signed zeros.
991
992 2009-05-08  Jan Hubicka  <jh@suse.cz>
993
994         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
995         argument; handle correctly when profile is absent.
996         (build_cgraph_edges): Update.
997         (rebuild_cgraph_edges): Update.
998         * cgraph.c: Do not include varray.h.
999         (cgraph_set_call_stmt_including_clones): New function.
1000         (cgraph_create_edge_including_clones): Likewise
1001         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1002         (cgraph_update_edges_for_call_stmt): Handle clones.
1003         (cgraph_remove_node): Handle clone tree.
1004         (cgraph_remove_node_and_inline_clones): New function.
1005         (dump_cgraph_node): Dump clone tree.
1006         (cgraph_clone_node): Handle clone tree.
1007         (clone_function_name): Bring here from tree-inline.c.
1008         (cgraph_create_virtual_clone): New function.
1009         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1010         (cgraph_clone_info): New function.
1011         (strut cgraph_node): Add clone_info and new clone tree pointers.
1012         (cgraph_remove_node_and_inline_clones,
1013         cgraph_set_call_stmt_including_clones,
1014         cgraph_create_edge_including_clones,
1015         cgraph_create_virtual_clone): Declare.
1016         (cgraph_function_versioning): Use VEC argument.
1017         (compute_call_stmt_bb_frequency): Update prototype.
1018         (cgraph_materialize_all_clones): New function.
1019         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1020         (ipcp_create_replace_map): Update to VECtors.
1021         (ipcp_update_callgraph): Use virtual clones.
1022         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1023         (ipcp_update_profiling): Do not update local profiling.
1024         (ipcp_insert_stage): Use VECtors and virtual clones.
1025         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1026         (clone_of_p): New function.
1027         (cgraph_preserve_function_body_p): Use clone tree.
1028         (cgraph_optimize): Materialize clones.
1029         (cgraph_function_versioning): Update for VECtors.
1030         (save_inline_function_body): Use clone tree.
1031         (cgraph_materialize_clone): New function.
1032         (cgraph_materialize_all_clones): Likewise.
1033         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1034         * ipa.c: Include gimple.h.
1035         (cgraph_remove_unreachable_nodes): Use clone tree.
1036         * ipa-prop.c (ipa_note_param_call): Update call to
1037         compute_call_stmt_bb_frequencycall.
1038         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1039         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1040         (copy_bb): Handle updating of clone tree; add new edge when new call
1041         appears.
1042         (expand_call_inline): Be strict about every call having edge.
1043         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1044         (delete_unreachable_blocks_update_callgraph): New function.
1045         (tree_function_versioning): Use VECtors; always remove unreachable
1046         blocks and fold conditionals.
1047         * tree-inline.h: Do not include varray.h.
1048         (tree_function_versioning): Remove.
1049         * Makefile.in (GTFILES): Remove tree-inline.c
1050         * passes.c (do_per_function): Do only functions having body.
1051         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1052         tree.
1053
1054 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1055             Andrew Morrow  <acm@google.com>
1056
1057         PR c/36892
1058         * c-common.c (c_common_attribute_table): Permit deprecated
1059         attribute to take an optional argument.
1060         (handle_deprecated_attribute): If the optional argument to
1061         __attribute__((deprecated)) is not a string ignore the attribute
1062         and emit a warning.
1063
1064         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1065         * c-typeck.c (build_component_ref): Likewise.
1066         (build_external_ref): Likewise.
1067
1068         * toplev.c (warn_deprecated_use): Add an attribute argument.
1069         Emit the message associated with __attribute__((deprecated)).
1070
1071         * toplev.h (warn_deprecated_use): Updated.
1072
1073         * doc/extend.texi: Document new optional parameter to
1074         __attribute__((deprecated))
1075
1076 2009-05-08  Michael Eager <eager@eagercon.com>
1077
1078         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1079         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1080
1081 2009-05-08  Richard Guenther  <rguenther@suse.de>
1082
1083         PR tree-optimization/40062
1084         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1085         Avoid exponential behavior.
1086
1087 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1088
1089         PR rtl-optimization/33928
1090         PR 26854
1091         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1092         process_uses, build_single_def_use_links): New.
1093         (update_df): Update use_def_ref.
1094         (forward_propagate_into): Use get_def_for_use instead of use-def
1095         chains.
1096         (fwprop_init): Call build_single_def_use_links and let it initialize
1097         dataflow.
1098         (fwprop_done): Free use_def_ref.
1099         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1100         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1101         df_rd_simulate_one_insn): New.
1102         (df_rd_bb_local_compute_process_def): Update head comment.
1103         (df_chain_create_bb): Use the new RD simulation functions.
1104         * df.h (df_rd_simulate_artificial_defs_at_top, 
1105         df_rd_simulate_one_insn): New.
1106         * opts.c (decode_options): Enable fwprop at -O1.
1107         * doc/invoke.texi (-fforward-propagate): Document this.
1108
1109 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1110
1111         PR c/24581
1112         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1113         and one complex operand specially.
1114         * tree-complex.c (some_nonzerop): Do not identify a real value as
1115         zero if flag_signed_zeros.
1116
1117 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1118
1119         PR rtl-optimization/33928
1120         * loop-invariant.c (record_use): Fix && vs. || mishap.
1121
1122 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1123
1124         PR rtl-optimization/33928
1125         * loop-invariant.c (struct use): Add addr_use_p.
1126         (struct def): Add n_addr_uses.
1127         (struct invariant): Add cheap_address.
1128         (create_new_invariant): Set cheap_address.
1129         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1130         (record_uses): Pass df_ref to record_use.
1131         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1132         used only as such.
1133
1134 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1135
1136         * config/sh/sh.c: Do not include c-pragma.h.
1137
1138 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1139
1140         * config/spu/spu.c: Remove include of c-common.h.
1141
1142 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1143
1144         PR c/39037
1145         * c-common.h (mark_valid_location_for_stdc_pragma,
1146         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1147         clear_float_const_decimal64, float_const_decimal64_p): New.
1148         * c.opt (Wunsuffixed-float-constants): New.
1149         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1150         unsuffixed float constant, handle new warning.
1151         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1152         * c-decl.c (c_scope): New flag float_const_decimal64.
1153         (set_float_const_decimal64, clear_float_const_decimal64,
1154         float_const_decimal64_p): New.
1155         (push_scope): Set new flag.
1156         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1157         to use STDC pragmas.
1158         (c_parser_external_declaration): Ditto.
1159         (c_parser_compound_statement_nostart): Ditto.
1160         * c-pragma.c (valid_location_for_stdc_pragma,
1161         mark_valid_location_for_stdc_pragma,
1162         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1163         handle_pragma_float_const_decimal64): New.
1164         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1165         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1166         set_float_const_decimal64, clear_float_const_decimal64,
1167         float_const_decimal64_p): New dummy functions.
1168         * doc/extend.texi (Decimal Float): Remove statement that the
1169         pragma, and suffix for double constants, are not supported.
1170         * doc/invoke.texi (Warning Options): List new option.
1171         (-Wunsuffixed-float-constants): New.
1172
1173 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1174
1175         * config/i386/i386.c: Do not include c-common.h.
1176
1177 2009-05-07  Mark Heffernan  <meheff@google.com>
1178
1179         * doc/invoke.texi (Debugging Options): Document change of debugging
1180         dump location.
1181         * opts.c (decode_options): Make dump_base_name relative to
1182         aux_base_name directory.
1183
1184 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1185
1186         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1187         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1188
1189 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1190
1191         * Makefile.in (install-plugin): Simplify a bit.
1192
1193 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1194
1195         * Makefile.in (OBJS-common): Add regcprop.o.
1196         (regcprop.o): New.
1197         * timevar.def (TV_CPROP_REGISTERS): New.
1198         * regrename.c (regrename_optimize): Return 0.
1199         (rest_of_handle_regrename): Delete.
1200         (pass_rename_registers): Point to regrename_optimize.
1201         (struct value_data_entry, struct value_data, 
1202         kill_value_one_regno, kill_value_regno, kill_value,
1203         set_value_regno, init_value_data, kill_clobbered_value,
1204         kill_set_value, kill_autoinc_value, copy_value,
1205         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1206         replace_oldest_value_reg, replace_oldest_value_addr,
1207         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1208         debug_value_data, validate_value_data): Move...
1209         * regcprop.c: ... here.
1210         (rest_of_handle_cprop): Delete.
1211         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1212
1213 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1214
1215         PR middle-end/40057
1216         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1217         GEN_INT for 1 << bitnum.
1218         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1219         build_int_cst_type.
1220
1221 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1222
1223         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1224         Remove wrong description of "nand" operation.
1225
1226 2009-05-06  Richard Guenther  <rguenther@suse.de>
1227             Adam Nemet  <anemet@caviumnetworks.com>
1228
1229         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1230         comment.  Add that if LHS is not a gimple register, then RHS1 has
1231         to be a single object (GIMPLE_SINGLE_RHS).
1232
1233 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1234
1235         * expr.c (get_def_for_expr): Move it up in the file.
1236         (store_field): When expanding a bit-field store, look at the
1237         defining gimple stmt for the masking conversion.
1238
1239 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1240
1241         PR middle-end/39986
1242         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1243         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1244         32-bit memcpy into long.
1245
1246 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1247
1248         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1249         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1250         new_reg_loc_descr.
1251         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1252         instead of appending DW_OP_deref*.
1253
1254 2009-05-06  Michael Matz  <matz@suse.de>
1255
1256         PR middle-end/40021
1257         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1258         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1259
1260 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1261
1262         * Makefile.in (install-plugin): Fix srcdir handling.
1263
1264 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1265
1266         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1267         when processing for not_regs_needed bitmap.
1268         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1269         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1270         handling it for rhs. 
1271
1272 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1273
1274         * config/i386/i386.md (unnamed inc/dec peephole): Use
1275         optimize_insn_for_size_p instead of optimize_size.
1276         * config/i386/predicates.md (incdec_operand): Likewise.
1277         (aligned_operand): Likewise.
1278         * config/i386/sse.md (divv8sf3): Likewise.
1279         (sqrtv8sf2): Likewise.
1280
1281 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1282
1283         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1284
1285         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1286
1287 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1288
1289         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1290         ssemodesuffixf2c with avxmodesuffixf2c.
1291
1292 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1293
1294         PR c/40032
1295         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1296
1297 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1298
1299         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1300         (struct tree_base): Adjust spacing for 8 bit boundaries.
1301         (struct tree_decl_common): Add decl_by_reference_flag bit.
1302         (DECL_BY_REFERENCE): Adjust.
1303         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1304         print DECL_BY_REFERENCE bit.
1305         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1306         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1307         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1308         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1309         unconditionally.
1310
1311         PR middle-end/39666
1312         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1313         range of the type, but default label is missing, add it with one
1314         of the existing labels instead of adding a new label for it.
1315
1316 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1317
1318         * dwarf.h: Remove.
1319
1320 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1321
1322         * Makefile.in (enable_plugin, plugin_includedir): New.
1323         (install): Depend on install-plugin.
1324         (PLUGIN_HEADERS): New.
1325         (install-plugin): New.
1326         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1327
1328 2009-05-05  Richard Guenther  <rguenther@suse.de>
1329
1330         PR tree-optimization/40022
1331         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1332         the only vuse.
1333         (phivn_valid_p): Fix tuplification error, simplify.
1334         (phiprop_insert_phi): Add dumps.
1335         (propagate_with_phi): Simplify.
1336
1337 2009-05-05  Richard Guenther  <rguenther@suse.de>
1338
1339         PR middle-end/40023
1340         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1341
1342 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1343
1344         * tree.h (strip_float_extensions): Remove duplicate declaration.
1345         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1346         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1347         block_ultimate_origin): Rearrange the declarations line to match the
1348         comment that indicates the .c file which the functions are defined.
1349         (dwarf2out_*, set_decl_rtl): Add comment.
1350         (get_base_address): Adjust comment.
1351         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1352         declarations line and add comment.
1353         (is_builtin_name): Add blank after function name, for clarity.
1354
1355 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1356
1357         * attribs.c (decl_attributes): Use %qE for identifiers in
1358         diagnostics.
1359         * cgraphunit.c (verify_cgraph_node): Translate function names to
1360         locale character set in diagnostics.
1361         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1362         diagnostics.
1363         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1364         Document that functions are named in UTF-8.
1365         * expr.c (expand_expr_real_1): Translate function names to locale
1366         character set in diagnostics.
1367         * gimplify.c (omp_notice_variable, omp_is_private,
1368         gimplify_scan_omp_clauses): Use %qE for identifiers in
1369         diagnostics.
1370         * langhooks.c (lhd_print_error_function): Translate function names
1371         to locale character set.
1372         * langhooks.h (decl_printable_name): Document that return value is
1373         in internal character set.
1374         * stmt.c: Include pretty-print.h
1375         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1376         diagnostics.
1377         (resolve_operand_name_1): Translate named operand name to locale
1378         character set.
1379         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1380         diagnostics.
1381         * toplev.c (announce_function): Translate function names to locale
1382         character set.
1383         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1384         (default_tree_printer): Use pp_identifier or translate identifiers
1385         to locale character set.  Mark "<anonymous>" for translation.
1386         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1387         for identifiers in diagnostics.
1388         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1389         diagnostics.
1390         * varasm.c (output_constructor): Use %qE for identifiers in
1391         diagnostics.
1392
1393 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1394
1395         * configure.ac: use ` ` instead of $()
1396         * configure: Regenerate.
1397
1398 2009-05-05  Ben Elliston  <bje@au.ibm.com>
1399
1400         * config/pa/linux-atomic.c: Eliminate conditional include of
1401         errno.h on non-LP64 systems to simplify build requirements.
1402
1403 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1404
1405         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
1406         diagnostics.
1407         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
1408         and pass value to identifier_to_locale.
1409         (warn_variable_length_array): Make name a tree.
1410         (grokdeclarator): Separate diagnostic texts for named and unnamed
1411         declarators.  Use %qE for named declarators.
1412         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
1413         diagnostics.
1414         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
1415         identifiers in diagnostics.
1416         * c-typeck.c (push_member_name, start_init): Pass identifiers to
1417         identifier_to_locale.  Mark "anonymous" strings for translation.
1418
1419 2009-05-04  Michael Eager <eager@eagercon.com>
1420
1421         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
1422         address for DImode/DFmode only if double-precision FP regs.
1423
1424 2009-05-04  Michael Eager <eager@eagercon.com>
1425
1426         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
1427         TARGET_SINGLE_FLOAT check.
1428
1429 2009-05-04  Michael Eager <eager@eagercon.com>
1430
1431         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
1432
1433 2009-05-04  Michael Eager <eager@eagercon.com>
1434
1435         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
1436         * config/rs6000/t-xilinx: New
1437
1438 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
1439
1440         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
1441         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
1442         * gcc/explow.c (memory_address): Use target hook.
1443         * gcc/targhooks.c (default_legitimize_address): New.
1444         * gcc/targhooks.h (default_legitimize_address): New.
1445         * gcc/target.h (legitimize_address): New.
1446         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
1447         (TARGET_INITIALIZER): Include it.
1448         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
1449
1450         * config/bfin/bfin-protos.h (legitimize_address): Remove.
1451         * config/bfin/bfin.c (legitimize_address): Remove.
1452         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
1453         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
1454         Remove.
1455         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
1456         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
1457
1458         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
1459         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
1460         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
1461         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
1462         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
1463         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
1464         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
1465         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
1466         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
1467         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
1468         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
1469         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
1470         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
1471         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
1472         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
1473         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
1474         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
1475         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
1476         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
1477         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
1478         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
1479         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
1480         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
1481
1482         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
1483         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
1484         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
1485         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
1486         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
1487         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
1488         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
1489         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
1490         (thumb_legitimize_address): Delete.
1491         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
1492         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
1493         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
1494         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
1495         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
1496         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
1497         Delete.
1498         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
1499         Delete.
1500
1501         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
1502         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
1503         * config/m32r/m32r.c (m32r_legitimize_address): New.
1504         * config/m68k/m68k.c (m68k_legitimize_address): New.
1505         * config/score/score.c (score_legitimize_address): Standardize.
1506         * config/score/score3.c (score3_legitimize_address): Standardize.
1507         * config/score/score3.h (score3_legitimize_address): Adjust.
1508         * config/score/score7.c (score7_legitimize_address): Standardize.
1509         * config/score/score7.h (score7_legitimize_address): Adjust.
1510         * config/sh/sh.c (sh_legitimize_address): New.
1511         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
1512
1513         * gcc/config/s390/s390.c (legitimize_address): Rename to...
1514         (s390_legitimize_address): ... this.
1515         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
1516         (sparc_legitimize_address): ... this.
1517         * gcc/config/i386/i386.c (legitimize_address): Rename to...
1518         (ix86_legitimize_address): ... this.
1519         * gcc/config/avr/avr.c (legitimize_address): Rename to...
1520         (avr_legitimize_address): ... this.
1521         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
1522         (mn10300_legitimize_address): ... this.
1523         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
1524         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
1525         (alpha_expand_mov): Adjust call.
1526
1527         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
1528         * config/spu/spu.c (spu_legitimize_address): Likewise.
1529         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
1530         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
1531
1532 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1533
1534         * intl.c (locale_encoding, locale_utf8): New.
1535         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
1536         * intl.h (locale_encoding, locale_utf8): Declare.
1537         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
1538         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
1539         New.
1540         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
1541         argument.
1542         (pp_tree_identifier): Define to call pp_base_tree_identifier.
1543         (pp_base_tree_identifier): Declare as function.
1544         (identifier_to_locale): Declare.
1545         * Makefile.in (pretty-print.o): Update dependencies.
1546         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
1547
1548 2009-05-04  Richard Guenther  <rguenther@suse.de>
1549
1550         PR middle-end/40015
1551         * builtins.c (fold_builtin_memory_op): Do not decay to element
1552         type if the size matches the whole array.
1553
1554 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1555
1556         * expmed.c (synth_mult): When trying out a shift, pass the result
1557         of a signed shift.
1558
1559 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
1560
1561         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
1562         (shiftsub1_cost): New.
1563         (init_expmed): Compute shiftsub1_cost.
1564         (synth_mult): Optimize multiplications by constants of the form
1565         -(2^^m-1) for some constant positive integer m.
1566
1567 2009-05-03  Richard Guenther  <rguenther@suse.de>
1568
1569         PR c/39983
1570         * c-typeck.c (array_to_pointer_conversion): Do not built
1571         ADDR_EXPRs of arrays of pointer-to-element type.
1572         * c-gimplify.c (c_gimplify_expr): Revert change fixing
1573         up wrong ADDR_EXPRs after-the-fact.
1574         * c-common.c (strict_aliasing_warning): Strip pointer
1575         conversions for obtaining the original type.
1576         * builtins.c (fold_builtin_memset): Handle array types.
1577         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
1578         and array types
1579
1580 2009-05-03  Richard Guenther  <rguenther@suse.de>
1581
1582         PR middle-end/23329
1583         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
1584         Do not lose casts from array types with unknown extent to array
1585         types with known extent.
1586         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
1587         alias set compatibility.
1588
1589 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1590
1591         * flags.h (extra_warnings): Delete.
1592         * toplev.c (process_options): Handle Wuninitialized here.
1593         * opts.c (extra_warnings): Delete.
1594         (set_Wextra): Delete.
1595         (common_handle_option): -Wextra can be handled automatically.
1596         * c-opts.c (c_common_handle_option): Delete obsolete code.
1597         (c_common_post_options): Simplify comment.
1598         * common.opt (W): Add Var.
1599         (Wextra): Add Var.
1600         (Wuninitialized): Initialize to -1.
1601
1602 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
1603             Richard Guenther  <rguenther@suse.de>
1604
1605         * expr.c (get_def_for_expr): New function.
1606         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
1607         SSA rather than trees.
1608         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
1609         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
1610         
1611 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
1612
1613         * c-common.c (reswords): Add _Imaginary.
1614         * c-common.c (enum rid): Add RID_IMAGINARY.
1615
1616 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
1617
1618         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
1619         Patch by Richard Guenther.
1620
1621 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
1622
1623         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
1624         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
1625         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
1626         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
1627         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
1628         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
1629         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
1630         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
1631         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
1632         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
1633         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
1634         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
1635         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
1636         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
1637         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
1638         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
1639         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
1640         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
1641
1642 2009-05-02  Richard Guenther  <rguenther@suse.de>
1643
1644         PR tree-optimization/39940
1645         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
1646         doing so.
1647
1648 2009-05-02  Richard Guenther  <rguenther@suse.de>
1649
1650         PR middle-end/40001
1651         * tree-ssa.c (execute_update_addresses_taken): Properly check
1652         if we can mark a variable DECL_GIMPLE_REG_P.
1653         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
1654         back to the end of the function.
1655         (is_gimple_reg_type): Remove complex type special casing.
1656         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
1657         if not optimizing.
1658
1659 2009-05-02  Ben Elliston  <bje@au.ibm.com>
1660
1661         * doc/collect2.texi (Collect2): Document search path behaviour
1662         when configured with --with-ld.
1663
1664 2009-05-02  Jan Hubicka  <jh@suse.cz>
1665
1666         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
1667         parameter; update callers.
1668         (coalesce_cost_edge): EH edges are costier because they needs
1669         splitting even if not critical and even more costier when there are
1670         multiple EH predecestors.
1671
1672 2009-05-02  Jan Hubicka  <jh@suse.cz>
1673
1674         * except.c (remove_eh_handler_and_replace): Handle updating after
1675         removing TRY blocks.
1676
1677 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
1678
1679         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
1680
1681 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
1682
1683         * varasm.c: Do not include c-pragma.h.
1684         * attribs.c: Do not incude c-common.h.
1685
1686 2009-05-01  Michael Matz  <matz@suse.de>
1687
1688         * calls.c (initialize_argument_information): Handle SSA names like
1689         decls with a non MEM_P DECL_RTL.
1690
1691 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1692
1693         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
1694         * ipa-utils.c: Likewise.
1695         * ipa-type-escape.c: Likewise.
1696         * cgraphunit.c Do not include c-common.h.
1697         * ipa-pure-const.c: Likewise.
1698         * tree-if-conv.c: Likewise.
1699         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
1700         * ipa-struct-reorg.c: Likewise.
1701         * tree-nomudflap.c: Likewise.
1702         * tree-ssa-structalias.c: Likewise.
1703
1704 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
1705
1706         * store-motion.c: Many cleanups to make this pass a first-class
1707         citizen instead of an appendix to gcse load motion.  Add TODO list
1708         to make this pass faster/cleaner/better.
1709
1710         (struct ls_expr): Post gcse.c-split cleanups.
1711         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
1712         "stores" field to "avail_stores".
1713         (pre_ldst_mems): Rename to store_motion_mems.
1714         (pre_ldst_table): Rename to store_motion_mems_table.
1715         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
1716         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
1717         (ldst_entry): Rename to st_expr_entry, update users.
1718         (free_ldst_entry): Rename to free_st_expr_entry, update users.
1719         (free_ldst_mems): Rename to free_store_motion_mems, update users.
1720         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
1721         update caller.
1722         (first_ls_expr): Rename to first_st_expr, update users.
1723         (next_ls_expr): Rename to next_st_expr, update users.
1724         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
1725         fields properly for store motion instead of names inherited from load
1726         motion in gcse.c.
1727         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
1728         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
1729         are done with it.
1730
1731         (ae_kill): Rename to st_kill, update users.
1732         (ae_gen): Rename to st_avloc, update users.
1733         (transp): Rename to st_transp, update users.
1734         (pre_insert_map): Rename to st_insert_map, update users.
1735         (pre_delete_map): Rename to st_delete_map, update users.
1736         (insert_store, build_store_vectors, free_store_memory,
1737         one_store_motion_pass): Update for abovementioned changes.
1738
1739         (gcse_subst_count, gcse_create_count): Remove.
1740         (one_store_motion_pass): New statistics counters "n_stores_deleted"
1741         and "n_stores_created", local variables.
1742
1743         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
1744         use for_each_rtx.
1745
1746         (regvec, compute_store_table_current_insn): Remove.
1747         (reg_set_info, reg_clear_last_set): Remove.
1748         (compute_store_table): Use DF caches instead of local dataflow
1749         solvers.
1750
1751 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
1752
1753         * c-objc-common.c (c_tree_printer): Print identifiers with
1754         pp_identifier, not pp_string.  Mark "({anonymous})" for
1755         translation.
1756         * c-pretty-print.c (pp_c_ws_string): New.
1757         (pp_c_cv_qualifier, pp_c_type_specifier,
1758         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
1759         pp_c_storage_class_specifier, pp_c_function_specifier,
1760         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
1761         pp_c_primary_expression, pp_c_postfix_expression,
1762         pp_c_unary_expression, pp_c_shift_expression,
1763         pp_c_relational_expression, pp_c_equality_expression,
1764         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
1765         use pp_string and pp_c_ws_string in place of pp_identifier and
1766         pp_c_identifier for non-identifiers.  Mark English strings for
1767         translation.
1768         * c-pretty-print.h (pp_c_ws_string): Declare.
1769
1770 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
1771             Roland McGrath <roland@redhat.com>
1772
1773         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
1774         (ENABLE_LD_BUILDID): New configuration option.
1775         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
1776         (LINK_BUILDID_SPEC): New macro.
1777         (init_spec): If defined, prepend it between LINK_EH_SPEC and
1778         link_spec.
1779         * doc/install.texi: Document --enable-linker-build-id option.
1780         * configure: Rebuild.
1781         * config.in: Rebuild.
1782
1783 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
1784
1785         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
1786         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
1787         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
1788         MIPS_GP_SAVE_AREA_SIZE.
1789         * config/mips/mips.c (struct mips_frame_info): Update comment
1790         before arg_pointer_offset and hard_frame_pointer_offset.
1791         (mips_compute_frame_info): Update diagram before function: to
1792         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
1793         indicate the position of frame_pointer_rtx with -fstack-protector and
1794         to show args_size.  Don't allocate cprestore area for leaf functions
1795         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
1796         cprestore_size.
1797         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
1798
1799 2009-04-30  Michael Matz  <matz@suse.de>
1800
1801         PR tree-optimization/39955
1802         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
1803
1804 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1805
1806         * ira.c (setup_cover_and_important_classes):  Use safe macro
1807         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
1808         directly.
1809         * genpreds.c (write_tm_preds_h):  Output suitable definition of
1810         REG_CLASS_FOR_CONSTRAINT.
1811
1812 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1813
1814         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
1815         instead of an int.
1816         * bitmap.c (bitmap_descriptor): Likewise.
1817         * ggc-common.c (loc_descriptor): Likewise.
1818         * varray.c (varray_descriptor): Likewise.
1819         * vec.c (vec_descriptor): Likewise.
1820
1821 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1822
1823         * Makefile.in (dce.o): Add $(EXCEPT_H).
1824         * dce.c: Include except.h and delete redundant vector definitions.
1825         (deletable_insn_p): Return false for non-call insns that can throw
1826         if DF is running.
1827
1828 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1829
1830         * gcse.c (ae_gen): Remove.
1831         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
1832         and make non-static function to make it available in store-motion.c.
1833         Update call sites with search-and-replace.
1834         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
1835         extract_mentioned_regs, extract_mentioned_regs_helper,
1836         find_moveable_store, compute_store_table, load_kills_store, find_loads,
1837         store_killed_in_insn, store_killed_after, store_killed_before,
1838         build_store_vectors, insert_insn_start_basic_block, insert-store,
1839         remove_reachable_equiv_notes, replace_store_insn, delete_store,
1840         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
1841         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
1842         * store-motion.c: ...new file.  Also copy data structures from gcse.c
1843         and clean up to remove parts not used by store motion.
1844         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
1845         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
1846
1847 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1848
1849         PR target/38571
1850         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
1851         when optimizing for size.
1852
1853 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
1854
1855         * gcse.c (gcse_constant_p): Fix typo in last change.
1856
1857 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
1858
1859         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
1860
1861 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1862
1863         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
1864
1865 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
1866
1867         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
1868         CONST_HIGH_PART result.
1869
1870 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
1871
1872         * config/avr/avr.c (initial_elimination_offset): Rename to
1873         avr_initial_elimination_offset.
1874         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
1875         change return type to bool.
1876         (avr_can_eliminate): New function.
1877         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
1878         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
1879         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
1880         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
1881         avr_initial_elimination_offset.
1882         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
1883         (avr_initial_elimination_offset): Define.
1884
1885 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
1886             Steven Bosscher  <steven@gcc.gnu.org>
1887
1888         PR rtl-optimization/39938
1889         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
1890         * cfgrtl.c: Include insn-attr.h.
1891         (rest_of_pass_free_cfg): New function.
1892         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
1893         * resource.c (init_resource_info): Remove call to df_analyze.
1894
1895 2009-04-29  Richard Guenther  <rguenther@suse.de>
1896
1897         PR target/39943
1898         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
1899         allow conversion to signed integers.
1900
1901 2009-04-29  Richard Guenther  <rguenther@suse.de>
1902
1903         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
1904         shifts of floating point vectors if the shift amount is
1905         a constant multiple of the element size.
1906
1907 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1908             Michael Matz  <matz@suse.de>
1909
1910         PR middle-end/39927
1911         PR bootstrap/39929
1912         * tree-outof-ssa.c (emit_partition_copy): New function.
1913         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1914         insert_part_to_rtx_on_edge): Perform the partition base var
1915         copy using emit_partition_copy.
1916         (insert_value_copy_on_edge): Convert constants to the right mode.
1917         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
1918         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
1919
1920 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1921
1922         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
1923         scan backwards to try to find a constant to initialize it.
1924
1925         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
1926         insn before the loop_end instruction, don't look past labels.
1927
1928 2009-04-29  Richard Guenther  <rguenther@suse.de>
1929
1930         PR middle-end/39937
1931         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1932         loose type conversions.
1933         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
1934         stmts only if there are no uses of its definition.
1935
1936 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1937
1938         * config/bfin/bfin.h (splitting_loops): Declare.
1939         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
1940         Reorder bit definitions to be ascending.
1941         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
1942         * config/bfin/bfin.c (splitting_loops): New variable.
1943         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
1944         (struct loop_info): Remove members INIT and LOOP_INIT.
1945         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
1946         the LSETUP sequence.  Allow LC to be loaded from any register, but
1947         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
1948         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
1949         set to 1.
1950         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
1951         of reload_completed.
1952
1953         From Jie Zhang:
1954         * config/bfin/bfin.md (movsi_insn): Refine constraints.
1955
1956 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
1957
1958         * Makefile.in (PLUGIN_VERSION_H): New.
1959         (OBJS-common): Remove plugin-version.o.
1960         (plugin.o): Depend on (PLUGIN_VERSION_H).
1961         (plugin-version.o): Remove.
1962         * configure: Regenerate
1963         * configure.ac: Create plugin-version.h.
1964         * gcc-plugin.h (plugin_gcc_version): Remove.
1965         (plugin_default_version_check): Change signature.
1966         * plugin-version.c: Remove.
1967         * plugin.c: Include plugin-version.h.
1968         (str_plugin_gcc_version_name): Remove.
1969         (try_init_one_plugin): Pass gcc version to plugin_init.
1970         (plugin_default_version_check): Both gcc and plugin versions are now
1971         arguments.
1972
1973 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1974         
1975         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
1976         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
1977         Remove special case testing for last insn of inner loops. Don't fail
1978         if the loop ends with a jump, emit an extra nop instead.
1979
1980         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
1981         DREGS rather than comparing directly.  Remove code that tries to
1982         account for latencies.
1983
1984 2009-04-29  Richard Guenther  <rguenther@suse.de>
1985
1986         PR tree-optimization/39941
1987         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
1988         eliminating an indirect call.
1989
1990 2009-04-29  Richard Guenther  <rguenther@suse.de>
1991
1992         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
1993         parameter.  Allow invariants as base if !require_lvalue.
1994         (verify_gimple_assign_single): Adjust.
1995
1996 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1997
1998         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
1999         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2000         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2001         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2002         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2003         a VEC_SELECT.
2004         * config/bfin/bfin.c (bfin_expand_builtin,
2005         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2006
2007 2009-04-28  Richard Guenther  <rguenther@suse.de>
2008
2009         * tree-vect-loop.c (get_initial_def_for_induction): Use
2010         correct types for pointer increment.
2011
2012 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2013
2014         * toplev.c (print_version): Update GMP version string calculation.
2015
2016 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2017
2018         PR rtl-optimization/39938
2019         * resource.c (init_resource_info): Add call to df_analyze.
2020
2021 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2022
2023         * config/alpha/alpha.md (usegp): Cast the result of
2024         alpha_find_lo_sum_using_gp to enum attr_usegp.
2025         * config/alpha/alpha.c (override_options): Remove end-of-structure
2026         marker element from cpu_table.  Use array size of cpu_table to handle
2027         -mcpu and -mtune options.
2028         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2029
2030 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2031
2032         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2033         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2034         tune_32 and tune_64.
2035         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2036         support on PowerPC.
2037         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2038         * config/rs6000/option-defaults.h: ... here.  New file.
2039         (OPT_64, OPT_32): Define.
2040         (MASK_64BIT): Define to 0 if not already defined.
2041         (OPT_ARCH64, OPT_ARCH32): Define.
2042         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2043         and tune_64.
2044
2045 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2046
2047         * config/arm/arm.c (arm_override_options): Emit error on using
2048         fpa with AAPCS.
2049
2050 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2051
2052         PR rtl-optimization/39914
2053         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2054         registers for allocnos created from user-defined variables only
2055         when not optimizing.
2056
2057 2009-04-28  Richard Guenther  <rguenther@suse.de>
2058
2059         PR middle-end/39937
2060         * fold-const.c (fold_binary): Use distribute_real_division only
2061         on float types.
2062
2063 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2064
2065         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2066         add hpux-stdint.h to tm_file.
2067         (hppa[12]*-*-hpux11*): Ditto.
2068         (ia64*-*-hpux*): Ditto.
2069         * config/hpux-stdint.h: New.
2070         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2071         __STDC_EXT__ for all compiles.
2072         * config/pa/pa-hpux.h: Ditto.
2073         * config/pa/pa-hpux10.h: Ditto.
2074         * config/pa/pa-hpux11.h: Ditto.
2075
2076 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2077
2078         * debug.h (set_name): Add comment.
2079
2080 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2081
2082         PR target/39929
2083         * config/darwin.c (machopic_gen_offset): Check
2084         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2085         * config/arm/arm.c (require_pic_register): Likewise.
2086
2087 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2088
2089         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2090         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2091         m32c_promote_prototypes): Delete.
2092
2093 2009-04-28  Michael Matz  <matz@suse.de>
2094
2095         PR middle-end/39922
2096         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2097         constants.
2098
2099 2009-04-28  Richard Guenther  <rguenther@suse.de>
2100
2101         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2102
2103 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2104
2105         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2106         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2107         * config/arm/arm-tune.md: Regenerate.
2108
2109 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2110
2111         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2112         block if there are complex incoming edges.
2113         (sel_merge_blocks): Remove useless assert.
2114         (sel_redirect_edge_and_branch): Check that edge was redirected.
2115         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2116         (sel_find_rgns): Delete declaration.
2117         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2118         the region when it is not a preheader.
2119
2120 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2121
2122         PR c/39323
2123         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2124
2125 2009-04-28  Richard Guenther  <rguenther@suse.de>
2126
2127         * tree.h (SSA_NAME_VALUE): Remove.
2128         (struct tree_ssa_name): Remove value_handle member.
2129         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2130         array for jump threading.
2131         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2132         SSA_NAME_VALUEs.
2133         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2134         * tree-flow.h (threadedge_initialize_values): Declare.
2135         (threadedge_finalize_values): Likewise.
2136         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2137         (SSA_NAME_VALUE): Define.
2138         (threadedge_initialize_values): New function.
2139         (threadedge_finalize_values): Likewise.
2140         * tree-ssa-dom.c (ssa_name_values): New global variable.
2141         (SSA_NAME_VALUE): Define.
2142         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2143
2144 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2145
2146         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2147         Use REPORT_VECTORIZED_LOCATIONS instead 
2148         REPORT_VECTORIZED_LOOPS.
2149         * tree-vectorizer.c (vect_verbosity_level): Make static.
2150         (vect_loop_location): Rename to vect_location.
2151         (vect_set_verbosity_level): Update comment.
2152         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2153         and vect_location.
2154         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2155         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2156         instead REPORT_UNVECTORIZED_LOOPS.
2157         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2158         and vect_loop_def to vect_external_def and vect_internal_def.
2159         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2160         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2161         REPORT_UNVECTORIZED_LOCATIONS.
2162         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2163         and vect_used_in_loop and to vect_unused_in_scope and 
2164         vect_used_in_scope.
2165         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2166         (vect_verbosity_level): Remove declaration.
2167         (vect_analyze_operations): Likewise.
2168         (vect_analyze_stmt): Declare.
2169         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2170         REPORT_UNVECTORIZED_LOCATIONS.
2171         (vect_get_loop_niters): Fix indentation.
2172         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2173         (vect_analyze_loop_operations): New function.
2174         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2175         vect_analyze_operations.
2176         (vect_is_simple_reduction): Use new names.
2177         (vectorizable_live_operation, vect_transform_loop): Likewise.
2178         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2179         to specify whether the data references can be a part of interleaving
2180         chain.
2181         (vect_analyze_data_ref_dependence): Use new names.
2182         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2183         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2184         * tree-vect-patterns.c (widened_name_p): Use new names.
2185         (vect_recog_dot_prod_pattern): Likewise.
2186         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2187         (process_use, vect_mark_stmts_to_be_vectorized, 
2188         vect_model_simple_cost, vect_model_store_cost,
2189         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2190         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2191         vectorizable_operation, vectorizable_type_demotion,
2192         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2193         vectorizable_condition): Likewise.
2194         (vect_analyze_operations): Split into vect_analyze_loop_operations
2195         and ...
2196         (vect_analyze_stmt): ... new function.
2197         (new_stmt_vec_info): Use new names.
2198         (vect_is_simple_use): Use new names and fix comment.
2199         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2200         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2201
2202 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2203
2204         PR target/39911
2205         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2206         and integer modes for x87 operands.  Do not ICE for unsupported size,
2207         generate error instead.  Generate error for unsupported operand types.
2208         ['z']: Do not handle HImode memory operands specially.  Warning
2209         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2210         types.  Do not ICE for unsupported size, generate error instead.
2211         (output_387_binary_op): Use %Z to output operands.
2212         (output_fp_compare): Ditto.
2213         (output_387_reg_move): Ditto.
2214
2215 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2216
2217         PR c++/35652
2218         Revert:
2219
2220         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2221
2222         * builtins.c (c_strlen): Do not warn here.
2223         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2224         * c-common.c (pointer_int_sum): Take an explicit location.
2225         Warn about offsets out of bounds.
2226         * c-common.h (pointer_int_sum): Adjust declaration.
2227
2228 2009-04-27  Ian Lance Taylor  <iant@google.com>
2229
2230         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2231         names to symkind.
2232         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2233         * df-core.c (df_set_flags): Change return type to int.  Change
2234         type of old_flags to int.
2235         (df_clear_flags): Likewise.
2236         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2237         (df_get_conditional_uses): Likewise.
2238         * df.h (df_set_flags, df_clear_flags): Update declarations.
2239         * dwarf2out.c (struct indirect_string_node): Change type of form
2240         field to enum dwarf_form.
2241         (AT_string_form): Change return type to enum dwarf_form.
2242         * fixed-value.c (fixed_compare): Add cast to enum type.
2243         * fwprop.c (update_df): Change 0 to VOIDmode.
2244         * gensupport.c: Change 0 to UNKNOWN.
2245         * gimple.h (gimple_cond_code): Add cast to enum type.
2246         * haifa-sched.c (reemit_notes): Add cast to enum type.
2247         * hooks.c (hook_int_void_no_regs): Remove function.
2248         * hooks.h (hook_int_void_no_regs): Remove declaration.
2249         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2250         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2251         * real.c (real_arithmetic): Add cast to enum type.
2252         (real_compare): Likewise.
2253         * target.h (struct gcc_target): Change return type of
2254         branch_target_register_class to enum reg_class.
2255         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2256         default_branch_target_register_class.
2257         * targhooks.c (default_branch_target_register_class): New function.
2258         * targhooks.h (default_branch_target_register_class): Declare.
2259         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2260         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2261         cast to int.
2262         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2263         ERROR_MARK.
2264         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2265         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2266         * tree-vect-stmts.c (supportable_widening_operation): Don't
2267         initialize icode1 and icode2.
2268         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2269         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2270         and to STD_C89.
2271         (cmn_err_flag_specs): Change 0 to STD_C89.
2272         (cmn_err_char_table): Likewise.
2273         * config/arm/arm.c (get_arm_condition_code): Change type of code
2274         to enum arm_cond_code.
2275         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2276         (IWMMXT_BUILTIN2): Likewise.
2277         (neon_builtin_type_bits): Don't define typedef.
2278         (neon_builtin_datum): Change type of bits field to int.
2279         (arm_expand_neon_args): Add cast to enum type.
2280         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2281         TLS_MODEL_NONE.
2282         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2283         casts to enum type.
2284         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2285         MIPS_FP_COND_f.
2286         * config/mips/mips.md (jal_macro): Return enum constant.
2287         (single_insn): Likewise.
2288         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2289         CODE_FOR_nothing.
2290         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2291         casts to enum type.
2292         * config/s390/s390.c (s390_tune_flags): Change type to int.
2293         (s390_arch_flags): Likewise.
2294         (s390_handle_arch_option): Change flags field of struct pta to int.
2295         * config/s390/s390.h (s390_tune_flags): Update declaration.
2296         (s390_arch_flags): Likewise.
2297         * config/sh/sh.c (prepare_move_operands): Compare
2298         tls_symbolic_operand result with enum constant.
2299         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2300         (sh_expand_prologue): Add cast to enum type.
2301         (sh_expand_epilogue): Likewise.
2302         (tls_symbolic_operand): Change return type to enum tls_model.
2303         (fpscr_set_from_mem): Add cast to enum type.
2304         (legitimize_pic_address): Compare tls_symbolic_operand result with
2305         enum constant.
2306         (sh_target_reg_class): Change return type to enum reg_class.
2307         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2308         PROCESSOR_xxx.
2309         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2310         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2311         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2312         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2313         (delayed_branch, tls_call_delay): Likewise.
2314         (eligible_for_sibcall_delay): Likewise.
2315         (eligible_for_return_delay): Likewise. 
2316         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2317         (spu_expand_builtin_1): Likewise.
2318
2319         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2320         for all types of conversions.
2321         (output_init_element): Issue -Wc++-compat warning if needed when
2322         initializing a bitfield with enum type.
2323         * c-parser.c (c_parser_expression): Set original_type to
2324         original_type of right hand operand of comman operator.
2325
2326 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2327
2328         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2329         grammar nits.
2330         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2331         * doc/cpp.texi (Standard Predefined Macros)
2332         (Implementation-defined behavior): Likewise.
2333         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2334         * doc/gimple.texi (GIMPLE Exception Handling)
2335         (@code{GIMPLE_ASSIGN}): Likewise.
2336         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2337         * doc/invoke.texi (Warning Options, Optimize Options)
2338         (AVR Options, Darwin Options): Likewise.
2339         (Optimize Options): Reformulate -fwhole-program description.
2340         * doc/loop.texi (Lambda): Likewise.
2341         * doc/md.texi (Output Template, Define Constraints)
2342         (Standard Names, Insn Splitting): Likewise.
2343         * doc/options.texi (Option properties): Likewise.
2344         * doc/passes.texi (Tree-SSA passes): Likewise.
2345         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2346         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2347         (File Names and DBX): Likewise.
2348         * doc/trouble.texi (Incompatibilities): Likewise.
2349
2350 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2351
2352         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2353         instruction is correct.
2354
2355 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2356
2357         Allow non-constant arguments to conversion intrinsics.
2358         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2359         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2360         * spu.c (print_operand): Handle 'v' and 'w'.
2361         (exp2_immediate_p, spu_gen_exp2): Define.
2362         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2363         spu_convtf_1): Update parameter descriptions.
2364         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2365         * constraints.md ('v', 'w'): New.
2366         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2367         Remove.
2368         (i2f, I2F): New define_mode_attr.
2369         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2370         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2371         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2372         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2373         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2374         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2375         patterns for combine.
2376
2377 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2378
2379         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2380         (cprop, hoist, pre, store_motion): New debug counters.
2381         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2382         is not an RTL pass anymore.
2383         (pass_profiling): Remove extern decl for pass removed in 2005.
2384         (pass_gcse, pass_jump_bypass): Remove.
2385         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2386         to 0 for clean state.
2387         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2388         * cse.c (gate_handle_cse_after_global_opts,
2389         rest_of_handle_cse_after_global_opts): New functions.
2390         (pass_cse_after_global_opts): New pass, does local CSE.
2391         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2392         (TV_CPROP): New timevar.
2393         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2394         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2395         (gcse_main, recompute_all_luids): Remove.
2396         (compute_hash_table_work): Call max_reg_num instead of reading
2397         max_gcse_regno.
2398         (cprop_jump): Don't set run_jump_opt_after_gcse.
2399         (constprop_register): Always allow to alter jumps.
2400         (cprop_insn): Likewise.
2401         (do_local_cprop): Likewise.
2402         (local_cprop_pass): Likewise.  Return non-zero if something changed.
2403         (cprop): Remove function, fold interesting bits into one_cprop_pass.
2404         (find_implicit_sets): Add note about missed optimization opportunity.
2405         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
2406         pass_rtl_cprop execute function.
2407         Don't bother tracking the pass number, each pass gets its own dumpfile
2408         now anyway.
2409         Always allow to alter jumpsand bypass jumps.
2410         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
2411         will just find no suitable set.
2412         (pre_edge_insert): Fix dumping, this function is for PRE only.
2413         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
2414         pass_rtl_pre execute function.
2415         (hoist_code): Return non-zero if something changed.  Keep track of
2416         substitutions and insertions for statistics gathering similar to PRE.
2417         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
2418         called from the pass_rtl_hoist execute function.  Show pass statistics.
2419         (compute_store_table): Use max_reg_num directly instead of using the
2420         formerly global max_gcse_regno.
2421         (build_store_vectors): Likewise.
2422         (replace_store_insn): Fix dumping.
2423         (store_motion): Rename to ...
2424         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
2425         pass, called from the pass_rtl_store_motion execute function.  Keep
2426         track of substitutions and insertions for statistics gathering similar
2427         to PRE.
2428         (bypass_jumps): Remove, fold interesting bits into ...
2429         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
2430         from the pass_rtl_cprop execute function.
2431         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
2432         pass_jump_bypass): Remove.
2433         (gate_handle_gcse, rest_of_handle_gcse): Remove.
2434         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
2435         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
2436         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
2437         (gate_rtl_store_motion, execute_rtl_store_motion,
2438         pass_rtl_store_motion): New.
2439         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
2440         make it clear that -fcse-skip-blocks is a no-op for backward compat.
2441         * passes.c (init_optimization_passes): Remove pass_gcse and
2442         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
2443         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
2444         instead of pass_jump_bypass.
2445
2446 2009-04-27  Richard Guenther  <rguenther@suse.de>
2447
2448         PR middle-end/39928
2449         * gimplify.c (gimplify_expr): If we are required to create
2450         a temporary make sure it ends up as register.
2451
2452 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2453
2454         PR target/39903
2455         * config/i386/i386.c (construct_container): Don't call
2456         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2457         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2458
2459 2009-04-27  Michael Matz  <matz@suse.de>
2460
2461         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
2462         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
2463         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
2464         (dump_replaceable_exprs): Take a bitmap.
2465         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
2466         array.
2467         (expand_gimple_basic_block): Likewise.
2468         * tree-ssa-ter.c (struct temp_expr_table_d): Make
2469         replaceable_expressions member a bitmap.
2470         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
2471         (mark_replaceable): Likewise.
2472         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
2473         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
2474
2475 2009-04-27  Richard Guenther  <rguenther@suse.de>
2476
2477         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
2478         (verify_stmts): Dispatch to gimple/type verification code.
2479         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
2480         issue with call argument types.
2481
2482 2009-04-27  Michael Matz  <matz@suse.de>
2483
2484         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
2485         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
2486         to above.
2487
2488 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
2489             Eric Botcazou  <ebotcazou@adacore.com>
2490
2491         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
2492         a label's basic block.
2493         (mark_target_live_regs): Tidy and rework obsolete comments.
2494         Change back DF problem to LIVE.  If a label starts a basic block,
2495         assume that all registers that used to be live then still are.
2496         (init_resource_info): If a label starts a basic block, set its
2497         BLOCK_FOR_INSN accordingly.
2498         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
2499
2500 2009-04-27  Richard Guenther  <rguenther@suse.de>
2501
2502         * tree-flow-inline.h (function_ann): Remove.
2503         (get_function_ann): Likewise.
2504         * tree-dfa.c (create_function_ann): Remove.
2505         * tree-flow.h (struct static_var_ann_d): Remove.
2506         (struct function_ann_d): Likewise.
2507         (union tree_ann_d): Remove fdecl member.
2508         (function_ann_t): Remove.
2509         (function_ann, get_function_ann, create_function_ann): Remove
2510         declarations.
2511
2512 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
2513
2514         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
2515
2516 2009-04-27  Jan Hubicka  <jh@suse.cz>
2517
2518         * ipa-pure-const.c (struct funct_state_d): New fields
2519         state_previously_known, looping_previously_known; remove
2520         state_set_in_source.
2521         (analyze_function): Use new fields.
2522         (propagate): Avoid assumption that state_set_in_source imply
2523         nonlooping.
2524
2525         * tree-ssa-loop-niter.c (finite_loop_p): New function.
2526         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
2527         * cfgloop.h (finite_loop_p): Declare.
2528
2529 2009-04-26  Michael Matz  <matz@suse.de>
2530
2531         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
2532
2533 2009-04-26  Michael Matz  <matz@suse.de>
2534
2535         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
2536         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
2537         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
2538         pass_mark_used_blocks): Remove.
2539         * tree-optimize.c (pass_free_datastructures,
2540         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
2541         * passes.c (init_optimization_passes): Don't call
2542         pass_mark_used_blocks, remove dead code.
2543
2544 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
2545
2546         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
2547         * tree-ssa-live.h (register_ssa_partition): Likewise.
2548
2549 2009-04-26  Michael Matz  <matz@suse.de>
2550
2551         Expand from SSA.
2552         * builtins.c (fold_builtin_next_arg): Handle SSA names.
2553         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
2554         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
2555         SSA names. 
2556         (compare_pairs): Swap cost comparison.
2557         (coalesce_ssa_name): Don't use change_partition_var.
2558         * tree-nrv.c (struct nrv_data): Add modified member.
2559         (finalize_nrv_r): Set it.
2560         (tree_nrv): Use it to update statements.
2561         (pass_nrv): Require PROP_ssa.
2562         * tree-mudflap.c (mf_decl_cache_locals,
2563         mf_build_check_statement_for): Use make_rename_temp.
2564         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
2565         * alias.c (find_base_decl): Handle SSA names.
2566         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
2567         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
2568         * rtl.h (set_reg_attrs_for_parm): Declare.
2569         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
2570         to "optimized", remove unused locals at finish.
2571         (execute_free_datastructures): Make global, call
2572         delete_tree_cfg_annotations.
2573         (execute_free_cfg_annotations): Don't call
2574         delete_tree_cfg_annotations.
2575
2576         * ssaexpand.h: New file.
2577         * expr.c (toplevel): Include ssaexpand.h.
2578         (expand_assignment): Handle SSA names the same as register variables.
2579         (expand_expr_real_1): Expand SSA names.
2580         * cfgexpand.c (toplevel): Include ssaexpand.h.
2581         (SA): New global variable.
2582         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
2583         (SSAVAR): New macro.
2584         (set_rtl): New helper function.
2585         (add_stack_var): Deal with SSA names, use set_rtl.
2586         (expand_one_stack_var_at): Likewise.
2587         (expand_one_stack_var): Deal with SSA names.
2588         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
2589         before unique numbers.
2590         (expand_stack_vars): Use set_rtl.
2591         (expand_one_var): Accept SSA names, add asserts for them, feed them
2592         to above subroutines.
2593         (expand_used_vars): Expand all partitions (without default defs),
2594         then only the local decls (ignoring those expanded already).
2595         (expand_gimple_cond): Remove edges when jumpif() expands an
2596         unconditional jump.
2597         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
2598         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
2599         SSA name.
2600         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
2601         members of SA; deal with PARM_DECL partitions here; expand
2602         all PHI nodes, free tree datastructures and SA.  Commit instructions
2603         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
2604         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
2605         info and statements at start, collect garbage at finish.
2606         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
2607         (VAR_ANN_PARTITION) Remove.
2608         (change_partition_var): Don't declare.
2609         (partition_to_var): Always return SSA names.
2610         (var_to_partition): Only accept SSA names.
2611         (register_ssa_partition): Only check argument.
2612         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
2613         member.
2614         (delete_var_map): Don't free it.
2615         (var_union): Only accept SSA names, simplify.
2616         (partition_view_init): Mark only useful SSA names as used.
2617         (partition_view_fini): Only deal with SSA names.
2618         (change_partition_var): Remove.
2619         (dump_var_map): Use ssa_name instead of partition_to_var member.
2620         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
2621         basic blocks.
2622         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
2623         (struct _elim_graph): New member const_dests; nodes member vector of
2624         ints.
2625         (set_location_for_edge): New static helper.
2626         (create_temp): Remove.
2627         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
2628         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
2629         (new_elim_graph): Allocate const_dests member.
2630         (clean_elim_graph): Truncate const_dests member.
2631         (delete_elim_graph): Free const_dests member.
2632         (elim_graph_size): Adapt to new type of nodes member.
2633         (elim_graph_add_node): Likewise.
2634         (eliminate_name): Likewise.
2635         (eliminate_build): Don't take basic block argument, deal only with
2636         partition numbers, not variables.
2637         (get_temp_reg): New static helper.
2638         (elim_create): Use it, deal with RTL temporaries instead of trees.
2639         (eliminate_phi): Adjust all calls to new signature.
2640         (assign_vars, replace_use_variable, replace_def_variable): Remove.
2641         (rewrite_trees): Only do checking.
2642         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
2643         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
2644         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
2645         contains_tree_r, MAX_STMTS_IN_LATCH,
2646         process_single_block_loop_latch, analyze_edges_for_bb,
2647         perform_edge_inserts): Remove.
2648         (expand_phi_nodes): New global function.
2649         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
2650         functions, initialize new parameter, remember partitions having a
2651         default def.
2652         (finish_out_of_ssa): New global function.
2653         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
2654         don't reset in_ssa_p here, don't disable TER when mudflap.
2655         (pass_del_ssa): Remove.
2656         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
2657         partition members.
2658         (execute_free_datastructures): Declare.
2659         * Makefile.in (SSAEXPAND_H): New variable.
2660         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
2661         * basic-block.h (commit_one_edge_insertion): Declare.
2662         * passes.c (init_optimization_passes): Move pass_nrv and
2663         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
2664         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
2665         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
2666         (redirect_branch_edge): Deal with super block when expanding, split
2667         out jump patching itself into ...
2668         (patch_jump_insn): ... here, new static helper.
2669
2670 2009-04-26  Michael Matz  <matz@suse.de>
2671
2672         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
2673         beyond num_ssa_names.
2674         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
2675         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
2676
2677 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2678
2679         PR inline-asm/39543
2680         * fwprop.c (forward_propagate_asm): New function.
2681         (forward_propagate_and_simplify): Propagate also into __asm, if it
2682         doesn't increase the number of referenced registers.
2683
2684         PR c/39889
2685         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2686
2687 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
2688
2689         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
2690         note_nonlocal_vla_type for nonlocal VLAs.
2691         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
2692         contains_remapped_vars, remap_vla_decls): New functions.
2693         (convert_nonlocal_reference_stmt): If not optimizing, call
2694         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
2695         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
2696         if it wasn't found in var_map.
2697         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
2698         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
2699         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
2700         declare_vars.
2701         * gimplify.c (nonlocal_vlas): New variable.
2702         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
2703         referenced VLAs.
2704         (gimplify_body): Create and destroy nonlocal_vlas.
2705
2706         * dwarf2out.c (loc_descr_plus_const): New function.
2707         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
2708         mem_loc_descriptor, loc_descriptor_from_tree_1,
2709         descr_info_loc, gen_variable_die): Use it.
2710
2711         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
2712         !TREE_STATIC VAR_DECLs.
2713         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
2714         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
2715         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
2716         DECL_BY_REFERENCE is valid.
2717         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
2718         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
2719         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
2720         Copy DECL_BY_REFERENCE.
2721         (struct nesting_copy_body_data): New type.
2722         (nesting_copy_decl): New function.
2723         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
2724         if they have variable length.
2725
2726 2009-04-26  Michael Matz  <matz@suse.de>
2727
2728         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
2729         mark new temporaries for renaming.
2730
2731 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2732
2733         PR c/39581
2734         * c-decl.c (global_bindings_p): Return negative value.
2735         (c_variable_size): New.  Based on variable_size from
2736         stor-layout.c.
2737         (grokdeclarator): Call c_variable_size not variable_size.
2738
2739 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
2740
2741         * config/i386/i386.c (print_operand) ['z']: Fix typo.
2742
2743 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
2744
2745         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
2746         Redefine it to just use mingw/include.
2747         (ASM_SPEC): Rules for -m32 and -m64.
2748         (LINK_SPEC): Use Likewise.
2749         (SPEC_32): New define.
2750         (SPEC_64): Likewise.
2751         (SUB_LINK_SPEC): Likewise.
2752         (MULTILIB_DEFAULTS): New define.
2753         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
2754         Add multilib options.
2755         (MULTILIB_DIRNAMES): Likewise.
2756         (MULTILIB_OSDIRNAMES): Likewise.
2757         (LIBGCC): Likewise.
2758         (INSTALL_LIBGCC): Likewise.
2759
2760 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
2761
2762         PR c/39556
2763         * c-tree.h (enum c_inline_static_type): New.
2764         (record_inline_static): Declare.
2765         * c-decl.c (struct c_inline_static, c_inline_statics,
2766         record_inline_static, check_inline_statics): New.
2767         (pop_file_scope): Call check_inline_statics.
2768         (start_decl): Call record_inline_static instead of pedwarning
2769         directly for static in inline function.
2770         * c-typeck.c (build_external_ref): Call record_inline_static
2771         instead of pedwarning directly for static referenced in inline
2772         function.
2773
2774 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
2775
2776         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
2777         not new but only being rescanned.
2778         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
2779         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
2780         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
2781         record_set_info, compute_set, grealloc): Remove.
2782         (recompute_all_luids): New function.
2783         (gcse_main): Don't compute sets, and don't do related memory
2784         allocations/free-ing.  If something changed before the end of the
2785         pass, update LUIDs using recompute_all_luids.
2786         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
2787         (free_gcse_mem): Don't free it either.
2788         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
2789         Use the df insn LUIDs.
2790         (load_killed_in_block): Likewise.
2791         (compute_hash_table_work): Don't compute reg_set_in_block.
2792         (compute_transp): Use DF_REG_DEF_CHAINs.
2793         (local_cprop_pass): Don't use compute_sets and related functions.
2794         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
2795         Use get_max_uid() instead of max_cuid.
2796         (insert_insn_end_basic_block, pre_insert_copy_insn,
2797         update_ld_motion_stores): Don't try to
2798         keep reg_set tables up to date.
2799         (pre_insert_copies): Use df insn LUIDs.
2800         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
2801         (reg_set_info): Don't use extra bitmap argument.
2802         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
2803         information to compute regs_set_in_block.
2804         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
2805         (bypass_jumps): Don't use compute_sets and friends.
2806
2807 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2808
2809         PR testsuite/39710
2810         * opts.c (undocumented_msg): Do not leave blank even with
2811         ENABLE_CHECKING.
2812
2813 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2814
2815         * c-decl.c (build_enumerator): Allow values folding to integer
2816         constants but not integer constant expressions with a pedwarn if
2817         pedantic.
2818
2819 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2820
2821         PR c/39582
2822         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
2823         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
2824         type is an integer constant.
2825
2826 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2827
2828         PR target/39897
2829         * config/i386/i386.c (print_operand) ['z']: Revert handling of
2830         HImode operands.
2831
2832 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
2833
2834         PR c/39564
2835         * c-decl.c (grokdeclarator): Diagnose declarations of functions
2836         with variably modified return type and no storage class
2837         specifiers, except for the case of nested functions.  Distinguish
2838         extern declarations of functions with variably modified return
2839         types from those of objects with variably modified types.
2840
2841 2009-04-25  Jan Hubicka  <jh@suse.cz>
2842
2843         * tree.c (list_equal_p): New function.
2844         * tree.h (list_equal_p): Declare.
2845         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2846         basic_block_def, basic_block, const_basic_block): New.
2847         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
2848         (redirect_eh_edge): New function.
2849         (make_eh_edge_update_phi): EH edges are not abnormal.
2850         * except.c: Include tree-flow.h.
2851         (list_match): New function.
2852         (eh_region_replaceable_by_p): New function.
2853         (replace_region): New function.
2854         (hash_type_list): New function.
2855         (hash_eh_region): New function.
2856         (eh_regions_equal_p): New function.
2857         (merge_peers): New function.
2858         (remove_unreachable_regions): Verify EH tree when checking;
2859         merge peers.
2860         (copy_eh_region_1): New function.
2861         (copy_eh_region): New function.
2862         (push_reachable_handler): New function.
2863         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
2864         regions without label but with live RESX.
2865         * except.h (redirect_eh_edge_to_label): New.
2866         * tree-flow.h (redirect_eh_edge): New.
2867         * coretypes.h (edge_def, edge, const_edge, basic_block_def
2868         basic_block_def, basic_block, const_basic_block): Remove.
2869         * Makefile.in (except.o): Add dependency on tree-flow.h
2870         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
2871         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
2872         Remove.
2873
2874 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
2875
2876         PR bootstrap/39645
2877         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
2878         on the destination of memcpy.
2879
2880 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
2881
2882         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
2883         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
2884         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
2885
2886 2009-04-25  Jan Hubicka  <jh@suse.cz>
2887
2888         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
2889         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
2890         to be reached by different label than left.
2891         (update_eh_edges): Update comment; remove edge_to_remove if possible
2892         and return true if suceeded.
2893         (cleanup_empty_eh): Accept sharing map; handle shared regions.
2894         (cleanup_eh): Compute sharing map.
2895         * except.c (remove_eh_handler_and_replace): Add argument if we should
2896         update regions.
2897         (remove_unreachable_regions): Update for label sharing.
2898         (label_to_region_map): Likewise.
2899         (get_next_region_sharing_label): New function.
2900         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
2901         prev_try pointers.
2902         (remove_eh_handler): Update.
2903         (remove_eh_region_and_replace_by_outer_of): New function.
2904         * except.h (struct eh_region): Add next_region_sharing_label.
2905         (remove_eh_region_and_replace_by_outer_of,
2906         get_next_region_sharing_label): Declare.
2907         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
2908
2909 2009-04-25  Jan Hubicka  <jh@suse.cz>
2910
2911         * tree-cfg.c (split_critical_edges): Split also edges where we can't
2912         insert code even if they are not critical.
2913
2914 2009-04-25  Jan Hubicka  <jh@suse.cz>
2915
2916         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2917         (gimple_can_remove_branch_p): EH edges won't remove branch by
2918         redirection.
2919         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
2920         updating of non-abnormal EH edges.
2921         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
2922         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
2923         (split_critical_edges): Split also edges where emitting code on them
2924         will lead to splitting later.
2925
2926 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
2927             H.J. Lu  <hongjiu.lu@intel.com>
2928
2929         PR target/39590
2930         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
2931         the configured assembler supports fildq and fistpq mnemonics.
2932         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
2933         * configure: Regenerated.
2934         * config.in: Ditto.
2935
2936         * config/i386/i386.c (print_operand): Handle 'Z'.
2937         ['z']: Remove handling of special fild/fist suffixes.
2938         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
2939         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
2940         suffix of fild insn.
2941         (*floatsi<mode>2_vector_mixed): Ditto.
2942         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
2943         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
2944         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2945         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
2946         * config/i386/gas.h (GAS_MNEMONICS): Remove.
2947
2948 2009-04-25  Ben Elliston  <bje@au.ibm.com>
2949  
2950         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
2951         the source of a set operation.
2952
2953 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
2954
2955         * target.h (struct gcc_target): Add case_values_threshold field.
2956         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
2957         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
2958         * targhooks.c (default_case_values_threshold): New function.
2959         * targhooks.h (default_case_values_threshold): Declare function.
2960         * stmt.c (expand_case): Use case_values_threshold target hook.
2961         * expr.h (case_values_threshold): Remove declartation.
2962         * expr.c (case_values_threshold): Remove function.
2963         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
2964
2965         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
2966         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2967         (avr_case_values_threshold): Declare as static.
2968         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
2969
2970         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
2971         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
2972         (mn10300_case_values_threshold): New function.
2973
2974 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2975
2976         * ira.c (setup_cover_and_important_classes): Add enum cast.
2977
2978 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
2979
2980         * genpreds.c (write_enum_constraint_num): Output definition of
2981         CONSTRAINT_NUM_DEFINED_P macro.
2982         * ira.c (setup_cover_and_important_classes): Use
2983         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
2984         
2985 2009-04-24  DJ Delorie  <dj@redhat.com>
2986
2987         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
2988         __SH2A_SINGLE_ONLY__ also.
2989
2990 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
2991
2992         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
2993         (movdf_internal): Ditto.
2994         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
2995         SFmode and DFmode constants.
2996         (ia64_print_operand): Add 'G' format for printing
2997         floating point constants.
2998
2999 2009-04-24  Richard Guenther  <rguenther@suse.de>
3000
3001         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3002         from unsigned additions.
3003
3004 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3005
3006         * c-typeck.c (set_init_index): Allow array designators that are
3007         not integer constant expressions with a pedwarn if pedantic.
3008
3009 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3010
3011         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3012         zero if no overlap in nonzero bits between the operands.
3013
3014 2009-04-24  Ian Lance Taylor  <iant@google.com>
3015
3016         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3017         (record_dead_and_set_regs): Likewise.
3018         * df.h (struct df_mw_hardreg): Change flags field to int.
3019         (struct df_base_ref): Likewise.
3020         (struct df): Change changeable_flags field to int.
3021         * df-scan.c (df_defs_record): Change clobber_flags to int.
3022         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3023         constants rather than #define macros.
3024         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3025         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3026         (enum dwarf_calling_convention): Likewise.
3027         (enum dwarf_line_number_x_ops): Likewise.
3028         (enum dwarf_call_frame_info): Likewise.
3029         (enum dwarf_source_language): Likewise.
3030         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3031         (add_calling_convention_attribute): Likewise.
3032         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3033         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3034         * genrecog.c (maybe_both_true_2): Change c to int.
3035         (write_switch): Likewise.  Add cast to enum type.
3036         * gimplify.c (gimplify_omp_for): Handle return values from
3037         gimplify_expr using MIN rather than bitwise or.
3038         (gimplify_expr): Add cast to enum type.
3039         * ipa-prop.c (update_jump_functions_after_inlining): Change
3040         IPA_BOTTOM to IPA_JF_UNKNOWN.
3041         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3042         Add casts to enum type.
3043         (setup_cover_and_important_classes): Change cl to int.  Add casts
3044         to enum type.
3045         (setup_class_translate): Change cl and mode to int.
3046         (ira_init_once): Change mode to int.
3047         (free_register_move_costs): Likewise.
3048         (setup_prohibited_mode_move_regs): Add casts to enum type.
3049         * langhooks.c (add_builtin_function_common): Rework assertion that
3050         value fits bitfield.
3051         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3052         * omega.c (omega_do_elimination): Avoid math on enum types.
3053         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3054         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3055         int local to handle integral_argment value.
3056         * regmove.c (try_auto_increment): Change PUT_MODE to
3057         PUT_REG_NOTE_KIND.
3058         * reload.c (push_secondary_reload): Add casts to enum type.
3059         (secondary_reload_class, find_valid_class): Likewise.
3060         * reload1.c (emit_input_reload_insns): Likewise.
3061         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3062         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3063         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3064         constant.
3065         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3066         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3067         enum type.
3068         (expand_complex_libcall): Add casts to enum type.
3069         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3070         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3071         with ERROR_MARK, not NUM_TREE_CODES.
3072         (vect_create_epilog_for_reduction): Likewise.
3073         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3074         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3075         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3076         enum machine_mode.
3077         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3078         vect_unused_in_loop.  Change 0 to loop_vect.
3079         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3080         * var-tracking.c (get_init_value): Change return type to enum
3081         var_init_status.
3082         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3083         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3084         arm_fp_model.
3085         (arm_override_options): Add casts to enum type.
3086         (arm_emit_tls_decoration): Likewise.
3087         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3088         to enum type.
3089         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3090         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3091         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3092         enum type.
3093         * config/s390/s390.c (code_for_builtin_64): Change to array of
3094         enum insn_code.
3095         (code_for_builtin_31): Likewise.
3096         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3097         const *.
3098         * config/sparc/sparc.c (sparc_override_options): Change value
3099         field in struct code_model to enum cmodel.  In initializer change
3100         0 to NULL and add cast to enum type.
3101
3102         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3103         Change all callers.  Issue a -Wc++-compat warning using
3104         lhs_origtype if necessary.
3105         (convert_for_assignment): Issue -Wc++-compat warnings about
3106         invalid conversions to enum type on assignment.
3107         * c-common.h (build_modify_expr): Update declaration.
3108
3109 2009-04-24  Nick Clifton  <nickc@redhat.com>
3110
3111         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3112         (function_arg_advance): Likewise.
3113         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3114         5th alternative.
3115
3116 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3117
3118         * config/s390/constraints.md ('I', 'J'): Fix condition.
3119
3120 2009-04-24  Diego Novillo  <dnovillo@google.com>
3121
3122         * gengtype-parse.c (parse_error): Add newline after message.
3123
3124 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3125
3126         * config/i386/sse.md (avxmodesuffixs): Removed.
3127         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3128         (*avx_pinsr<ssevecsize>): This.
3129
3130 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3131
3132         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3133         follow chains of regs with a single definition, and allow expressions
3134         that are function_invariant_p.
3135         (simple_rhs_p): Allow expressions that are function_invariant_p.
3136
3137 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3138
3139         PR middle-end/39867
3140         * fold-const.c (fold_cond_expr_with_comparison): When folding
3141         > and >= to MAX, make sure the MAX uses the same type as the
3142         comparison's operands.
3143
3144 2009-04-24  Nick Clifton  <nickc@redhat.com>
3145
3146         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3147         addressing for DImode accesses.
3148         (frv_print_operand_address): Handle PLUS case.
3149         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3150
3151 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3152
3153         PR rtl-optimization/39794
3154         * alias.c (canon_true_dependence): Add x_addr argument.
3155         * rtl.h (canon_true_dependence): Adjust prototype.
3156         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3157         * cselib.c (cselib_invalidate_mem): Likewise.
3158         * gcse.c (compute_transp): Likewise.
3159         * dse.c (scan_reads_nospill): Likewise.
3160         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3161         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3162         canon_base_addr of the group, plus optional offset.
3163         (struct group_info): Rename canon_base_mem to
3164         canon_base_addr.
3165         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3166         canon_rtx of base_mem.
3167
3168 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3169
3170         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3171         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3172
3173 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3174
3175         * config/spu/spu-builtins.h: Delete file.
3176
3177         * config/spu/spu.h (enum spu_builtin_type): Move here from
3178         spu-builtins.h.
3179         (struct spu_builtin_description): Likewise.  Add GTY marker.
3180         Do not use enum spu_function_code or enum insn_code.
3181         (spu_builtins): Add extern declaration.
3182
3183         * config/spu/spu.c: Do not include "spu-builtins.h".
3184         (enum spu_function_code, enum spu_builtin_type_index,
3185         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3186         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3187         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3188         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3189         (spu_builtin_types): Make static.  Add GTY marker.
3190         (spu_builtins): Add extern declaration with GTY marker.
3191         Include "gt-spu.h".
3192
3193         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3194         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3195         Check programmatically whether all parameters are scalar.
3196
3197         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3198
3199 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3200
3201         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3202         assignment from the constructor either if the target is volatile.
3203
3204 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3205
3206         * config/arm/arm.md (insv): Do not share operands[0].
3207
3208 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3209
3210         * config/vxlib-tls.c (active_tls_threads): Delete.
3211         (delete_hook_installed): New.
3212         (tls_delete_hook): Don't delete the delete hook.
3213         (tls_destructor): Delete it here.
3214         (__gthread_set_specific): Adjust installing the delete hook.
3215         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3216         __gthread_leave_tsd_dtor_context.
3217
3218 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3219
3220         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3221
3222 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3223
3224         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3225         enum type.
3226         (alpha_rtx_costs): Ditto.
3227         (emit_unlikely_jump): Use add_reg_note.
3228         (emit_frame_store_1): Ditto.
3229         (alpha_expand_prologue): Ditto.
3230         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3231         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3232
3233 2009-04-23  Nick Clifton  <nickc@redhat.com>
3234
3235         * config/v850/v850.md (epilogue): Remove suppressed code.
3236         (return): Rename to return_simple and remove test of frame size.
3237         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3238         to gen_return_simple.
3239
3240 2009-04-22  Jing Yu  <jingyu@google.com>
3241
3242         PR testsuite/39781
3243         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3244
3245 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3246
3247         PR C/31499
3248         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3249         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3250         value is a VECTOR_CST, the element type is the element type of the
3251         vector.
3252
3253 2009-04-22  DJ Delorie  <dj@redhat.com>
3254
3255         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3256
3257 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3258
3259         * alias.c (find_base_term): Move around LO_SUM case, so that
3260         CONST falls through into PLUS/MINUS handling.
3261
3262         PR c/39855
3263         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3264         into 0, use omit_one_operand.
3265
3266 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3267
3268         * config/rs6000/linux-unwind.h (get_regs): Remove type
3269         puns. Change the type of `pc' to an array of unsigned ints and
3270         update all users.  Constify frame24.
3271
3272 2009-04-22  DJ Delorie  <dj@redhat.com>
3273
3274         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3275         declarations before code.
3276         (current_function_special_page_vector): Likewise.
3277         (m32c_expand_insv): Silence a warning.
3278
3279 2009-04-21  Taras Glek  <tglek@mozilla.com>
3280
3281         * alias.c: Update GTY annotations to new syntax.
3282         * basic-block.h: Likewise.
3283         * bitmap.h: Likewise.
3284         * c-common.h: Likewise.
3285         * c-decl.c: Likewise.
3286         * c-parser.c: Likewise.
3287         * c-pragma.c: Likewise.
3288         * c-tree.h: Likewise.
3289         * cfgloop.h: Likewise.
3290         * cgraph.h: Likewise.
3291         * config/alpha/alpha.c: Likewise.
3292         * config/arm/arm.h: Likewise.
3293         * config/avr/avr.h: Likewise.
3294         * config/bfin/bfin.c: Likewise.
3295         * config/cris/cris.c: Likewise.
3296         * config/darwin.c: Likewise.
3297         * config/frv/frv.c: Likewise.
3298         * config/i386/i386.c: Likewise.
3299         * config/i386/i386.h: Likewise.
3300         * config/i386/winnt.c: Likewise.
3301         * config/ia64/ia64.h: Likewise.
3302         * config/iq2000/iq2000.c: Likewise.
3303         * config/mips/mips.c: Likewise.
3304         * config/mmix/mmix.h: Likewise.
3305         * config/pa/pa.c: Likewise.
3306         * config/pa/pa.h: Likewise.
3307         * config/rs6000/rs6000.c: Likewise.
3308         * config/s390/s390.c: Likewise.
3309         * config/sparc/sparc.c: Likewise.
3310         * config/xtensa/xtensa.c: Likewise.
3311         * cselib.h: Likewise.
3312         * dbxout.c: Likewise.
3313         * dwarf2out.c: Likewise.
3314         * except.c: Likewise.
3315         * except.h: Likewise.
3316         * fixed-value.h: Likewise.
3317         * function.c: Likewise.
3318         * function.h: Likewise.
3319         * gimple.h: Likewise.
3320         * integrate.c: Likewise.
3321         * optabs.c: Likewise.
3322         * output.h: Likewise.
3323         * real.h: Likewise.
3324         * rtl.h: Likewise.
3325         * stringpool.c: Likewise.
3326         * tree-data-ref.c: Likewise.
3327         * tree-flow.h: Likewise.
3328         * tree-scalar-evolution.c: Likewise.
3329         * tree-ssa-address.c: Likewise.
3330         * tree-ssa-alias.h: Likewise.
3331         * tree-ssa-operands.h: Likewise.
3332         * tree.c: Likewise.
3333         * tree.h: Likewise.
3334         * varasm.c: Likewise.
3335         * varray.h: Likewise.
3336         * vec.h: Likewise.
3337         * coretypes.h: Do not define GTY macro if it is already defined.
3338         * doc/gty.texi: Update GTY documentation to new syntax.
3339         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3340         annotations on structs.
3341         * gengtype-parse.c: Likewise.
3342
3343 2009-04-22  Mark Heffernan  <meheff@google.com>
3344
3345         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3346
3347 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3348
3349         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3350         where appropriate.
3351
3352 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3353
3354         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3355         the same as a PLUS without a shift.  Increase the cost of a
3356         CONST_INT in MULT.
3357
3358 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3359
3360         * Makefile.in: Update dependencies.
3361         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3362         * errors.h: Remove bogus comment about compatibility.
3363         (warning): Update declaration.
3364         * genautomata.c: Update all calls to warning.
3365         * gimple.c: Do not include errors.h. Include toplev.h.
3366         * tree-ssa-structalias.c: Do not include errors.h.
3367         * omega.c: Likewise.
3368         * tree-ssa-reassoc.c: Likewise.
3369         * config/spu/spu-c.c: Likewise.
3370         * config/spu/t-spu-elf: Update dependencies.
3371
3372 2009-04-22  Richard Guenther  <rguenther@suse.de>
3373
3374         PR tree-optimization/39824
3375         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3376         make sure the types are compatible.
3377
3378 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3379
3380         PR c++/14875
3381         * c-common.c (c_parse_error): Take a token_flags parameter.
3382         Use token_type for the token type instead.
3383         Pass token_flags to cpp_type2name.
3384         * c-common.h (c_parse_error): Update declaration.
3385         * c-parser.c (c_parser_error): Pass 0 as token flags.
3386
3387 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3388
3389         PR rtl-optimization/39580
3390         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3391         
3392 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3393
3394         * function.c (expand_function_end): Do not emit a jump to the "naked"
3395         return label for fall-through returns.
3396         * except.c (sjlj_emit_function_exit): Always place the call to the
3397         unregister function at the location installed by expand_function_end.
3398
3399 2009-04-22  Richard Guenther  <rguenther@suse.de>
3400
3401         PR tree-optimization/39845
3402         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
3403         (gen_inbound_check): Likewise.
3404
3405 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3406
3407         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
3408         padding for PPC.
3409         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
3410         * config/vxlib.c (__gthread_once): Add race guard for PPC.
3411
3412 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3413
3414         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
3415         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
3416         shift counts to avoid out-of-bounds array accesses.
3417
3418 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3419
3420         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
3421         (Pmode): Move above.
3422
3423 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
3424
3425         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
3426         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
3427         GET_CODE macro.  Use IN_RANGE macro where appropriate.
3428         * config/alpha/alpha.h: Ditto.
3429         * config/alpha/alpha.md: Ditto.
3430         * config/alpha/constraints.md: Ditto.
3431         * config/alpha/predicates.md: Ditto.
3432         
3433 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
3434
3435         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
3436         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3437         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3438         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3439         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3440         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3441         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3442         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3443         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3444         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3445         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3446         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3447         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3448         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3449         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3450         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3451         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3452         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3453         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3454         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3455         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3456         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3457         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3458         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3459         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3460         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3461         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
3462
3463 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3464
3465         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
3466         references from comments.
3467         * cfgbuild.c: (count_basic_blocks): Delete.
3468         (find_basic_blocks_1): Delete.
3469         (find_basic_blocks): Delete.
3470         * except.c (finish_eh_generation): Make static.  Move comment from
3471         except.h here.  Remove find_basic_blocks references from comments.
3472         * except.h (finish_eh_generation): Delete.
3473         * basic-block.h (find_basic_blocks): Delete.
3474         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
3475
3476 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
3477
3478         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
3479         (sdbout_parms):  Likewise.
3480
3481 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3482
3483         * config/sh/sh.c (prepare_cbranch_operands): Use
3484         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
3485         (expand_cbranchdi4): Likewise.
3486         (from_compare): Add cast to enum type.
3487         (expand_cbranchsi4): Use add_reg_note.
3488         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
3489         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
3490         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
3491         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3492         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
3493         instead of CODE_FOR_nothing.
3494         (cbranchdi4): Likewise.  Fix the order of arguments for
3495         gen_rtx_fmt_ee.
3496         (push_fpscr): Use add_reg_note.
3497         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
3498         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
3499         
3500 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
3501
3502         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
3503         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3504         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3505         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
3506         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
3507         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
3508         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
3509         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
3510         config/alpha/x-vms, config/arc/t-arc,
3511         config/arm/README-interworking, config/arm/arm-c.c,
3512         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
3513         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
3514         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
3515         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
3516         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
3517         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
3518         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
3519         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
3520         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
3521         config/cris/t-elfmulti, config/crx/t-crx,
3522         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
3523         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
3524         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
3525         config/h8300/t-h8300, config/i386/athlon.md,
3526         config/i386/darwin-libgcc.10.4.ver,
3527         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
3528         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
3529         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
3530         config/i386/t-linux64, config/i386/t-nwld,
3531         config/i386/t-rtems-i386, config/i386/t-sol2-10,
3532         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
3533         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
3534         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
3535         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
3536         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
3537         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
3538         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
3539         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
3540         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
3541         config/m68k/t-uclinux, config/mcore/t-mcore,
3542         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
3543         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
3544         config/mips/crtn.asm, config/mips/irix-crti.asm,
3545         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
3546         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
3547         config/mips/mips-fixed.md, config/mips/sb1.md,
3548         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
3549         config/mips/t-iris6, config/mips/t-isa3264,
3550         config/mips/t-libgcc-mips16, config/mips/t-linux64,
3551         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
3552         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
3553         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
3554         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
3555         config/mn10300/t-linux, config/mn10300/t-mn10300,
3556         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
3557         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
3558         config/picochip/libgccExtras/clzsi2.asm,
3559         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
3560         config/rs6000/darwin-libgcc.10.4.ver,
3561         config/rs6000/darwin-libgcc.10.5.ver,
3562         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
3563         config/rs6000/t-aix43, config/rs6000/t-aix52,
3564         config/rs6000/t-darwin, config/rs6000/t-fprules,
3565         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
3566         config/rs6000/t-lynx, config/rs6000/t-netbsd,
3567         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
3568         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
3569         config/rs6000/t-rtems, config/rs6000/t-spe,
3570         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
3571         config/score/t-score-elf, config/sh/divcost-analysis,
3572         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
3573         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
3574         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
3575         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
3576         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
3577         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
3578         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
3579         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
3580         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
3581         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
3582         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
3583         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
3584         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
3585         limitx.h, version.c, xcoff.h: Add copyright and license notices.
3586         * config/h8300/genmova.sh: Include copyright and license notices
3587         in generated output.
3588         * config/h8300/mova.md: Regenerate.
3589         * doc/install.texi2html: Include word "Copyright" in copyright
3590         notice and use name "Free Software Foundation, Inc.".
3591         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
3592         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
3593         ChangeLog-2007, ChangeLog-2008: Correct dates.
3594
3595 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
3596
3597         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
3598         NE_EXPR operations as well.
3599         * c-parser.c (c_parser_condition): Do not set location information on
3600         the condition.
3601         (c_parser_conditional_expression): Likewise.
3602         (c_parser_binary_expression): Set location information on operators.
3603         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
3604         TRUTH_NOT_EXPR has been folded.
3605         * fold-const.c (fold_truth_not_expr): Copy location information from
3606         the incoming expression to the outgoing one.
3607         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
3608         recursive calls on the LHS of the operator but pass that of the
3609         operator to recursive calls on the RHS of the operator.  Set it
3610         on the COND_EXPR.
3611         (shortcut_cond_expr): Set the locus of the operator on the second
3612         COND_EXPR and that of the expression on the first in degenerate cases.
3613         Pass the locus of the expression to calls to shortcut_cond_r.
3614         Set the locus of the 'then' block on the associated jump, if any.
3615         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
3616         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
3617         expression to call to gimplify_boolean_expr.
3618
3619 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
3620
3621         * config.gcc: Add additional configuration for
3622         i686-w64-mingw* and x86_64-w64-mingw* triplet.
3623         * config/i386/mingw-w64.h: New mingw-w64 specific header.
3624         (CPP_SPEC): Redefine for allowing -municode option.
3625         (STARTFILE_SPEC): Likewise.
3626         * config/i386/t-mingw-w64: New.
3627         * config/i386/mingw-w64.opt: New.
3628         (municode): Add new target option.
3629         * doc/invoke.texi (municode): Add documentation for new option.
3630
3631 2009-04-21  Ian Lance Taylor  <iant@google.com>
3632
3633         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3634         Correct test for number of arguments.
3635         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
3636
3637 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
3638
3639         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
3640         argument of emit_library_call.
3641
3642 2009-04-21  Richard Guenther  <rguenther@suse.de>
3643
3644         PR middle-end/39829
3645         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
3646         inside VIEW_CONVERT_EXPRs.
3647
3648 2009-04-21  Martin Jambor  <mjambor@suse.cz>
3649
3650         * tree-switch-conversion.c (build_constructors): Split a long line.
3651         (constructor_contains_same_values_p): New function.
3652         (build_one_array): Create assigns of constants if possible, do not
3653         call mark_sym_for_renaming, call update_stmt.
3654         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
3655         make_rename_temp.  Do not call mark_symbols_for_renaming, call
3656         update_stmt.
3657         (gen_def_assigns): Do not call mark_symbols_for_renaming or
3658         find_new_referenced_vars, call update_stmt.
3659         (gen_inbound_check): Use create_tmp_var and create ssa names manually
3660         instead of calling make_rename_temp.  Do not call
3661         find_new_referenced_vars or mark_symbols_for_renaming, call
3662         update_stmt.
3663
3664 2009-04-21  Richard Guenther  <rguenther@suse.de>
3665
3666         PR tree-optimization/39827
3667         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
3668         (tree_ssa_phiprop): Pass the correct array size.
3669
3670 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
3671
3672         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
3673
3674 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3675
3676         PR 16202
3677         * c-typeck.c (lvalue_p): Move declaration ...
3678         * c-common.h (lvalue_p): ... to here.
3679         * c-common.c (candidate_equal_p): New.
3680         (add_tlist): Use it.
3681         (merge_tlist): Use it.
3682         (warn_for_collisions_1): Likewise.
3683         (warning_candidate_p): Accept more candidates.
3684         (verify_tree): A warning candidate can be an expression. Use
3685         candidate_equal_p.
3686
3687 2009-04-21  Ben Elliston  <bje@au.ibm.com>
3688
3689         PR target/5267
3690         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3691         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
3692         options.  Remove -mcall-solaris documentation.
3693
3694 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3695
3696         PR c++/13358
3697         * doc/invoke.texi (-Wlong-long): Update description.
3698         * c-lex (interpret_integer): Only warn if there was no previous
3699         overflow and -Wlong-long is enabled.
3700         * c-decl.c (declspecs_add_type): Drop redundant flags.
3701         * c.opt (Wlong-long): Init to -1.
3702         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
3703         and front-end warn_long_long. Wlong-long only depends on other
3704         flags if it is uninitialized.
3705         * c-parser.c (disable_extension_diagnostics): warn_long_long is
3706         the same for CPP and FE.
3707         (restore_extension_diagnostics): Likewise.
3708
3709 2009-04-20  Ian Lance Taylor  <iant@google.com>
3710
3711         Fix enum conversions which are invalid in C++:
3712         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
3713         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
3714         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
3715         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
3716         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
3717         (dbxout_parms): Likewise.
3718         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
3719         (df_clear_flags): Likewise.
3720         * df-problems.c (df_rd_bb_local_compute_process_def): Change
3721         top_flag parameter to int.
3722         (df_chain_create_bb_process_use): Likewise.
3723         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
3724         Remove cast.
3725         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
3726         (df_ref_create_structure, df_def_record_1): Likewise.
3727         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
3728         (df_notes_rescan): Change 0 to VOIDmode in function call.
3729         (df_get_call_refs, df_insn_refs_collect): Likewise.
3730         (df_bb_regs_collect): Likewise.
3731         (df_entry_block_defs_collect): Likewise.
3732         (df_exit_block_uses_collect): Likewise.
3733         * df.h: Update declarations.
3734         * double-int.c (double_int_divmod): Add cast to enum type.
3735         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
3736         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
3737         (based_loc_descr): Likewise.
3738         (loc_descriptor_from_tree_1): Change first_op and second_op to
3739         enum dwarf_location_atom.  Add cast to enum type.
3740         * expmed.c (init_expmed): Change 0 to SET in function call.
3741         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
3742         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
3743         (do_store_flag): Likewise.
3744         * fixed-value.h (struct fixed_value): Change mode to enum
3745         machine_mode.
3746         * function.c (assign_parms): Change 0 to VOIDmode in function call.
3747         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
3748         function call.
3749         (insert_insn_decl, insert_decl, insert_state): Likewise.
3750         (automata_list_finish): Likewise.
3751         * genrecog.c (process_define_predicate): Add cast to enum type.
3752         * gensupport.c (init_predicate_table): Add cast to enum type.
3753         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
3754         function call.
3755         (gimple_build_call_1, gimple_build_label): Likewise.
3756         (gimple_build_goto, gimple_build_asm_1): Likewise.
3757         (gimple_build_switch_1, gimple_build_cdt): Likewise.
3758         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
3759         (enum fallback): Rename from enum fallback_t.
3760         (fallback_t): Typedef as int.
3761         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
3762         GSI_SAME_STMT in function call.
3763         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
3764         enum type.
3765         (setup_reg_class_relations): Likewise.
3766         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
3767         (setup_prohibited_class_mode_regs): Add cast to enum type.
3768         (setup_prohibited_mode_move_regs): Likewise.
3769         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
3770         (record_address_regs): Change i to enum reg_class.
3771         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
3772         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
3773         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
3774         (GET_MODE_2XWIDER_MODE): Likewise.
3775         (GET_CLASS_NARROWEST_MODE): Likewise.
3776         * omp-low.c (expand_omp_for): Add cast to enum type.
3777         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
3778         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
3779         * postreload.c (reload_cse_simplify_operands): Change rclass local
3780         to enum reg_class.
3781         * predict.c (combine_predictions_for_insn): Change best_predictor
3782         and predictor to enum br_predictor.
3783         (combine_predictions_for_bb): Likewise.
3784         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
3785         use SET_PREDICT_EXPR_OUTCOME.
3786         * real.c (real_arithmetic): Change icode to code in function call.
3787         * reginfo.c (init_move_cost): Add casts to enum type.
3788         (init_reg_sets_1, init_fake_stack_mems): Likewise.
3789         * regmove.c (regclass_compatible_p): Change class0 and class1 to
3790         enum reg_class.
3791         * reload.c (find_valid_class): Add casts to enum type.
3792         (push_reload): Change 0 to NO_REGS in function call.
3793         (find_reloads): Change this_alternative to array of enum
3794         reg_class.  Remove some now-unnecessary casts.
3795         (make_memloc): Change 0 to VOIDmode in function call.
3796         * reload1.c (reload): Change 0 to VOIDmode in function call.
3797         (eliminate_regs_1, elimination_effects): Likewise.
3798         (eliminate_regs_in_insn): Likewise.
3799         (emit_input_reload_insns): Add cast to enum type.
3800         (delete_output_reload): Change 0 to VOIDmode in function call.
3801         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
3802         to enum type in function call.
3803         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
3804         (SET_PREDICT_EXPR_OUTCOME): Define.
3805         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
3806         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
3807         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
3808         (dump_function): Likewise.
3809         * tree-dump.h: Update declarations.
3810         * tree-pass.h: Update declarations.
3811         * varasm.c (assemble_integer): Change mclass to enum mode_class.
3812         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
3813         enum type.
3814         (arm_rtx_costs_1): Correct parenthesization.
3815         (arm_rtx_costs): Add casts to enum type.
3816         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
3817         (vfp_emit_fstmd): Use add_rg_note.
3818         (emit_multi_reg_push, emit_sfm): Likewise.
3819         (thumb_set_frame_pointer): Likewise.
3820         (arm_expand_prologue): Likewise.
3821         (arm_regno_class): Change return type to enum reg_class.
3822         (thumb1_expand_prologue): Use add_reg_note.
3823         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
3824         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
3825         in function call.
3826         * config/arm/gentune.sh: Add cast to enum type.
3827         * config/arm/arm-tune.md: Rebuild.
3828         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
3829         (ix86_split_fp_branch, predict_jump): Likewise.
3830         (ix86_expand_multi_arg_builtin): Change sub_code from enum
3831         insn_code to enum rtx_code.
3832         (ix86_builtin_vectorized_function): Add cast to enum type.
3833         * config/i386/i386.md (truncdfsf2): Change slot to enum
3834         ix86_stack_slot.
3835         (truncxf<mode>2, isinf<mode>2): Likewise.
3836         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
3837         enum type.
3838         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
3839         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
3840         (insert_bundle_state): Change 1 to INSERT in function call.
3841         (ia64_add_bundle_selector_before): Likewise.
3842         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
3843         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
3844         (restore_stack_nonlocal): Likewise.
3845         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
3846         function call.
3847         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
3848         function call.
3849         (mips_rtx_costs): Likewise.
3850         (mips_override_options): Add casts to enum type.
3851         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
3852         in function call.
3853         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
3854         (store_reg, set_reg_plus_d): Likewise.
3855         (hppa_expand_prologue, hppa_profile_hook): Likewise.
3856         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3857         cast to enum type.
3858         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
3859         function call.
3860         (emit_unlikely_jump): Use add_reg_note.
3861         (rs6000_emit_allocate_stack): Likewise.
3862         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
3863         (output_toc): Change 1 to INSERT in function call.
3864         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
3865         (rs6000_initialize_trampoline): Likewise.
3866         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
3867         function call.
3868         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
3869         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
3870         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
3871         (save_gprs): Use add_reg_note.
3872         (s390_emit_prologue): Likewise.
3873         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3874         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
3875         (sparc_fold_builtin): Add cast to enum type.
3876         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
3877         enum insn_code.
3878         (spu_expand_prologue): Use add_reg_note.
3879         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
3880
3881 2009-04-20  Ian Lance Taylor  <iant@google.com>
3882
3883         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
3884         (c_parser_postfix_expression_after_primary): Get VEC for list of
3885         arguments.  Get original types of arguments.  Call
3886         build_function_call_vec.
3887         (cached_expr_list_1, cached_expr_list_2): New static variables.
3888         (c_parser_expr_list): Change return type to VEC *.  Add
3889         p_orig_types parameter.  Change all callers.
3890         (c_parser_release_expr): New static function.
3891         (c_parser_vec_to_tree_list): New static function.
3892         * c-typeck.c (build_function_call): Rewrite to build a VEC and
3893         call build_function_call_vec.
3894         (build_function_call_vec): New function, based on old
3895         build_function_call.
3896         (convert_arguments): Remove nargs and argarray parameters.  Change
3897         values to a VEC.  Add origtypes parameter.
3898         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
3899         (convert_for_assignment): Add origtype parameter.  Change all
3900         callers.  If warn_cxx_compat, check for conversion to an enum
3901         type when calling a function.
3902         (store_init_value): Add origtype parameter.  Change all callers.
3903         (digest_init): Likewise.
3904         (struct init_node): Add origtype field.
3905         (add_pending_init): Add origtype parameter.  Change all callers.
3906         (output_init_element): Likewise.
3907         (output_pending_init_elements): Pass origtype from init_node to
3908         output_init_element.
3909         (process_init_element): Pass origtype from c_expr to
3910         output_init_element.
3911         (c_finish_return): Add origtype parameter.  Change all callers.
3912         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
3913         caller.
3914         (sync_resolve_params): Likewise.
3915         (sync_resolve_return): Change params to first_param.  Change caller.
3916         (resolve_overloaded_builtins): Change params to VEC *.  Change
3917         callers.  Save first parameter around call to build_function_call_vec.
3918         * c-decl.c (finish_decl): Add origtype parameter.  Change all
3919         callers.  Call build_function_call_vec rather than
3920         build_function_call for cleanup.
3921         * c-tree.h: Update declarations.
3922         * c-common.h: Update declarations.
3923         * stub-objc.c (objc_rewrite_function_call): Change parameter from
3924         params to first_param.
3925         * target.h (struct gcc_target): Change resolve_overloaded_builtin
3926         params parameter from tree to void *.
3927         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3928         Change arglist parameter to have type void *, and to be a pointer
3929         to a VEC.
3930         * config/rs6000/rs6000-protos.h
3931         (altivec_resolve_overloaded_builtin): Update declaration.
3932         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
3933         fnargs parameter to have type void *, and to be a pointer to a
3934         VEC.  Call build_function_call_vec instead of
3935         build_function_call.
3936         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
3937
3938 2009-04-20  Joey Ye  <joey.ye@intel.com>
3939             Xuepeng Guo  <xuepeng.guo@intel.com>
3940             H.J. Lu  <hongjiu.lu@intel.com>
3941
3942         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
3943
3944         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
3945         (IX86_LEA_PRIORITY): Likewise.
3946         (distance_non_agu_define): New function.
3947         (distance_agu_use): Likewise.
3948         (ix86_lea_for_add_ok): Likewise.
3949         (ix86_dep_by_shift_count): Likewise.
3950
3951         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
3952         should split for LEA.
3953
3954         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
3955         function.
3956         (ix86_dep_by_shift_count): Likewise.
3957
3958 2009-04-20  Richard Guenther  <rguenther@suse.de>
3959
3960         * expr.c (handled_component_p): Move ...
3961         * tree.h (handled_component_p): ... here.
3962         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
3963         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
3964         and REALPART_EXPR to be in one group.
3965
3966 2009-04-20  Richard Guenther  <rguenther@suse.de>
3967
3968         * basic-block.h (get_all_dominated_blocks): Declare.
3969         * dominance.c (get_all_dominated_blocks): New function.
3970         * tree-cfg.c (get_all_dominated_blocks): Remove.
3971         (remove_edge_and_dominated_blocks): Adjust.
3972         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
3973         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
3974         instead of recursing.
3975
3976 2009-04-20  Doug Kwan  <dougkwan@google.com>
3977
3978         * cgraph.h (cgraph_node_ptr): New type for vector functions.
3979         (struct cgraph_node_set_def): New type.
3980         (cgraph_node_set) New type. Also declare vector functions.
3981         (struct cgraph_node_set_element_def): New type.
3982         (cgraph_node_set_element): Ditto.
3983         (cgraph_node_set_iterator): New iterator type.
3984         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
3985         cgraph_node_set_remove, dump_cgraph_node_set,
3986         debug_cgraph_node_set): New prototypes.
3987         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
3988         cgraph_node_set_size): New inlines.
3989         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
3990         including cgraph.h.
3991         (struct ipa_opt_pass): Add struct cgraph_node_set_def
3992         argument to function 'write_summary'.
3993         * ipa.c: Include ggc.h.
3994         (hash_cgraph_node_set_element,
3995         eq_cgraph_node_set_element, cgraph_node_set_new,
3996         cgraph_node_set_add, cgraph_node_set_remove,
3997         cgraph_node_set_find, dump_cgraph_node_set,
3998         debug_cgraph_node_set): New functions.
3999         * Makefile.in (ipa.o): Add dependency on GGC_H.
4000
4001 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4002
4003         PR tree-optimization/39675
4004         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4005         check of the return code of vect_schedule_slp. Check that
4006         stmt_vec_info still exists for the statement, before checking its
4007         vectorization type.
4008
4009 2009-04-20  Michael Matz  <matz@suse.de>
4010
4011         * Makefile.in (generated_files): Take out $(simple_generated_c).
4012
4013 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4014
4015         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4016         (UINTPTR_TYPE):  Likewise.
4017
4018 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4019
4020         PR c/37481
4021         * c-typeck.c (digest_init): Check for initializing an array with a
4022         string literal.
4023
4024 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4025
4026         PR c/19771
4027         * c-semantics.c (pop_stmt_list): Propagate
4028         STATEMENT_LIST_HAS_LABEL to parent statement list.
4029
4030 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4031
4032         * config/mips/mips.h (mips_tune_attr): New macro.
4033         * config/mips/mips.md (cpu): Use it.
4034
4035 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4036
4037         PR c/38243
4038         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4039         declaring a tag.
4040
4041 2009-04-19  Diego Novillo  <dnovillo@google.com>
4042
4043         * toplev.c (compile_file): Move call to coverage_finish ...
4044         * cgraphunit.c (ipa_passes): ... here.
4045         Call cgraph_process_new_functions.
4046         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4047         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4048
4049 2009-04-19  Jan Hubicka  <jh@suse.cz>
4050
4051         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4052         cfun.
4053         (dump_cgraph_node): Dump can throw external flag.
4054         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4055
4056 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4057
4058         PR c/32061
4059         PR c++/36954
4060         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4061         * common.opt (Wlogical-op): Move from here...
4062         * c.opt (Wlogical-op): ... to here.
4063         * c-typeck.c (parser_build_binary_op): Update call to
4064         warn_logical_operator.
4065         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4066         extra_warnings.
4067         * c-common.c (warn_logical_op): Update.
4068         * c-common.h (warn_logical_op): Update declaration.
4069
4070 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4071
4072         * tree.c (protected_set_expr_location): Fix formatting.
4073
4074 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4075
4076         PR c/27676
4077         * c-typeck.c (readonly_warning): new.
4078         (build_unary_op, build_modify_expr): Use readonly_warning for
4079         storing into something readonly but not const-qualified.
4080
4081 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4082
4083         PR c/22367
4084         * c-typeck.c (build_unary_op): Check for taking address of
4085         expression of type void.
4086
4087 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4088
4089         PR c/35210
4090         * c-typeck.c (build_function_call): Check for calling a function
4091         with qualified void return types.  Call require_complete_type when
4092         generating a trap.
4093
4094 2009-04-18  Jan Hubicka  <jh@suse.cz>
4095
4096         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4097         Set nothrow flag.
4098         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4099         can_throw_external flag.
4100         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4101         * ipa-pure-const.c (ignore_edge): New function.
4102         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4103         only over can_throw_external edges.
4104         (local_pure_const): Add nothrow flag.
4105         * ipa-utils.c (searchc): Add ignore_edge callback.
4106         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4107         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4108         (set_nothrow_function_flags): Update cgraph.
4109         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4110
4111 2009-04-18  Richard Guenther  <rguenther@suse.de>
4112
4113         PR middle-end/39804
4114         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4115         (fold_stmt): ... this and ...
4116         (fold_stmt_inplace): ... this.
4117         (fold_stmt_1): Fold references in calls and asms.
4118         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4119
4120 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4121
4122         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4123         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4124
4125 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4126
4127         * tree.c (function_args_count): Remove.
4128         * tree.h: Remove the prototype for function_args_count.
4129
4130 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4131
4132         * tree-iterator.c (expr_only): Remove.
4133         * tree.h: Remove the prototype for expr_only.
4134
4135 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4136
4137         * reginfo.c (cannot_change_mode_set_regs): Remove.
4138         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4139
4140 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4141
4142         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4143         whether operands 0 and 1 overlaps.
4144
4145 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4146
4147         PR middle-end/36902
4148         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4149         pointer. Use warning_at instead of warning.
4150         (search_for_addr_array): Likewise.
4151         (check_array_bounds): Likewise.
4152         (check_all_array_refs): Check that the incoming edge is not in the
4153         list of edges to be removed.
4154         (check_all_array_refs): Avoid the temporal pointer.
4155         (vrp_visit_cond_stmt): Fix typo.
4156         (simplify_switch_using_ranges): Handle the case where the switch
4157         index is an integer constant.
4158
4159 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4160
4161         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4162
4163 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4164
4165         * doc/extend.texi, doc/invoke.texi: Fix typos.
4166
4167 2009-04-17  Cary Coutant  <ccoutant@google.com>
4168
4169         * tree-flow-inline.h (get_lineno): Fix inverted test.
4170
4171 2009-04-17  Diego Novillo  <dnovillo@google.com>
4172
4173         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4174         assertion for AVAIL_OUT.
4175
4176 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4177
4178         PR target/38627
4179         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4180         * config/sh/linux-atomic.asm: Likewise.
4181
4182 2009-04-17  Diego Novillo  <dnovillo@google.com>
4183
4184         * except.c (debug_eh_tree): New.
4185         (struct eh_region, struct eh_status): Move ...
4186         * except.h: ... here.
4187         (add_type_for_runtime): Declare extern.
4188         (lookup_type_for_runtime): Likewise.
4189         (debug_eh_tree): Declare.
4190         * Makefile.in (GTFILES): List except.h before except.c
4191
4192 2009-04-17  Diego Novillo  <dnovillo@google.com>
4193
4194         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4195         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4196         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4197         (find_vars_r): ... here.
4198         * tree-flow.h (find_referenced_vars_in): Declare.
4199         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4200         that AVAIL_OUT exists for BLOCK.
4201         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4202         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4203         (tree-parloops.o): Likewise.
4204
4205 2009-04-17  Simon Baldwin  <simonb@google.com>
4206
4207         * toplev.c (default_tree_printer): Add handling for %E format.
4208
4209 2009-04-17  Diego Novillo  <dnovillo@google.com>
4210
4211         * tree-pretty-print.c (dump_generic_node): Add break after
4212         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4213         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4214         FUNCTION_TYPE together.  Call print_struct_decl when printing
4215         structures and TDF_SLIM is not given.
4216         (print_struct_decl): Fix logic for detecting recursion.
4217
4218 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4219
4220         PR 31567
4221         * gcc.c (create_at_file): New.
4222         (compile_input_file_p): New.
4223         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4224         * main.c (main): Update call to toplev_main.
4225         * toplev.c (toplev_main): Change signature. Call expandargv.
4226         * toplev.h (toplev_main): Change signature.
4227
4228 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4229
4230         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4231         if the latter is not constant.
4232
4233 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4234
4235         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4236
4237 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4238
4239         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4240         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4241
4242 2009-04-17  Richard Guenther  <rguenther@suse.de>
4243
4244         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4245         Handle component references view-converting an invariant address.
4246
4247 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4248
4249         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4250         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4251         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4252         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4253         Use @deftypevr rather than @deftypevar.
4254
4255 2009-04-17  Richard Guenther  <rguenther@suse.de>
4256
4257         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4258         (get_prop_source_stmt): Likewise.
4259         (can_propagate_from): Likewise.
4260
4261 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4262
4263         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4264         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4265         (--with-multilib-list): Add default value.
4266         * configure: Regenerate.
4267         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4268         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4269         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4270         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4271         Don't add default cpu to multilib list unnecessarily, but do enable
4272         the relevant compiler option..
4273         Add support for --with-multilib-list=<blank> and
4274         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4275         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4276         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4277         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4278         TM_MULTILIB_CONFIG.
4279         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4280         (MULTILIB_OSDIRNAMES): New variable.
4281         * config/sh/t-1e: Delete file.
4282         * config/sh/t-mlib-sh1: Delete file.
4283         * config/sh/t-mlib-sh2: Delete file.
4284         * config/sh/t-mlib-sh2a: Delete file.
4285         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4286         * config/sh/t-mlib-sh2a-single: Delete file.
4287         * config/sh/t-mlib-sh2a-single-only: Delete file.
4288         * config/sh/t-mlib-sh2e: Delete file.
4289         * config/sh/t-mlib-sh3e: Delete file.
4290         * config/sh/t-mlib-sh4: Delete file.
4291         * config/sh/t-mlib-sh4-nofpu: Delete file.
4292         * config/sh/t-mlib-sh4-single: Delete file.
4293         * config/sh/t-mlib-sh4-single-only: Delete file.
4294         * config/sh/t-mlib-sh4a: Delete file.
4295         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4296         * config/sh/t-mlib-sh4a-single: Delete file.
4297         * config/sh/t-mlib-sh4a-single-only: Delete file.
4298         * config/sh/t-mlib-sh4al: Delete file.
4299         * config/sh/t-mlib-sh5-32media: Delete file.
4300         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4301         * config/sh/t-mlib-sh5-64media: Delete file.
4302         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4303         * config/sh/t-mlib-sh5-compact: Delete file.
4304         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4305         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4306         * doc/install.texi (Options specification): Add
4307         --with-multilib-list and --with-endian.
4308
4309 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4310
4311         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4312         REVISION_c.
4313         (OBJS-common): Add plugin-version.o.
4314         (plugin-version.o): New.
4315         * gcc-plugin.h (plugin_gcc_version): New.
4316         (plugin_default_version_check): New.
4317         (plugin_init_func, plugin_init): Add version argument.
4318         * plugin-version.c: New.
4319         * plugin.c (str_plugin_gcc_version_name): New.
4320         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4321         pass it to the init function.
4322         (plugin_default_version_check): New.
4323
4324 2009-04-17  Richard Guenther  <rguenther@suse.de>
4325
4326         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4327         for decl-vs-decl disambiguation.
4328
4329 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4330
4331         * config/s390/s390.h (s390_tune_attr): New macro definition.
4332         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4333
4334 2009-04-17  Richard Guenther  <rguenther@suse.de>
4335
4336         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4337         (fold_stmt_r): Likewise.
4338         (maybe_fold_reference): New function.
4339         (fold_gimple_assign): Handle cases fold_stmt_r did.
4340         (fold_stmt): Do not use fold_stmt_r.
4341         (fold_stmt_inplace): Likewise.
4342
4343 2009-04-17  Richard Guenther  <rguenther@suse.de>
4344
4345         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4346         (record_equivalences_from_stmt): Remove useless checks and
4347         simplifications.
4348         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4349         the type is already suitable.
4350
4351 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4352
4353         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4354
4355 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4356
4357         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4358         (CMPtype): Define as __gcc_CMPtype.
4359
4360 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4361
4362         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4363         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4364
4365 2009-04-17  Richard Guenther  <rguenther@suse.de>
4366
4367         PR tree-optimization/39746
4368         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4369         special-casing for builtins and static variable use/def.
4370         (call_may_clobber_ref_p_1): Likewise.
4371
4372 2009-04-16  Ian Lance Taylor  <iant@google.com>
4373
4374         * df.h: Include "timevar.h".
4375         (struct df_problem): Change tv_id field to timevar_id_t.
4376         * tree-pass.h: Include "timevar.h".
4377         (struct opt_pass): Change tv_id field to timevar_id_t.
4378         * timevar.h (timevar_id_t): Define TV_NONE.
4379         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4380         TV_NONE rather than tv_id != 0.
4381         (execute_one_pass): Likewise.
4382         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4383         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4384         dependencies to $(TREE_PASS_H).
4385         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4386         to TV_NONE.
4387         (pass_branch_target_load_optimize2): Likewise.
4388         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4389         (pass_outof_cfg_layout_mode): Likewise.
4390         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4391         (pass_rebuild_cgraph_edges): Likewise.
4392         (pass_remove_cgraph_callee_edges): Likewise.
4393         * df-core.c (pass_df_initialize_opt): Likewise.
4394         (pass_df_initialize_no_opt): Likewise.
4395         (pass_df_finish): Likewise.
4396         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
4397         * except.c (pass_set_nothrow_function_flags): Likewise.
4398         (pass_convert_to_eh_region_ranges): Likewise.
4399         * final.c (pass_compute_alignments): Likewise.
4400         * function.c (pass_instantiate_virtual_regs): Likewise.
4401         (pass_init_function): Likewise.
4402         (pass_leaf_regs): Likewise.
4403         (pass_match_asm_constraints): Likewise.
4404         * gimple-low.c (pass_lower_cf): Likewise.
4405         (pass_mark_used_blocks): Likewise.
4406         * init-regs.c (pass_initialize_regs): Likewise.
4407         * integrate.c (pass_initial_value_sets): Likewise.
4408         * ira.c (pass_ira): Likewise.
4409         * jump.c (pass_cleanup_barriers): Likewise.
4410         * omp-low.c (pass_expand_omp): Likewise.
4411         (pass_lower_omp): Likewise.
4412         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
4413         * recog.c (pass_split_all_insns): Likewise.
4414         (pass_split_after_reload): Likewise.
4415         (pass_split_before_regstack): Likewise.
4416         (pass_split_before_sched2): Likewise.
4417         (pass_split_for_shorten_branches): Likewise.
4418         * reginfo.c (pass_reginfo_init): Likewise.
4419         (pass_subregs_of_mode_init): Likewise.
4420         (pass_subregs_of_mode_finish): Likewise.
4421         * passes.c (pass_postreload): Likewise.
4422         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
4423         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
4424         (pass_warn_function_return): Likewise.
4425         (pass_warn_function_noreturn): Likewise.
4426         * tree-complex.c (pass_lower_complex): Likewise.
4427         (pass_lower_complex_O0): Likewise.
4428         * tree-if-conv.c (pass_if_conversion): Likewise.
4429         * tree-into-ssa.c (pass_build_ssa): Likewise.
4430         * tree-mudflap.c (pass_mudflap_1): Likewise.
4431         (pass_mudflap_2): Likewise.
4432         * tree-nomudflap.c (pass_mudflap_1): Likewise.
4433         (pass_mudflap_2): Likewise.
4434         * tree-nrv.c (pass_return_slot): Likewise.
4435         * tree-object-size.c (pass_object_sizes): Likewise.
4436         * tree-optimize.c (pass_all_optimizations): Likewise.
4437         (pass_early_local_passes): Likewise.
4438         (pass_all_early_optimizations): Likewise.
4439         (pass_cleanup_cfg): Likewise.
4440         (pass_cleanup_cfg_post_optimizing): Likewise.
4441         (pass_free_datastructures): Likewise.
4442         (pass_free_cfg_annotations): Likewise.
4443         (pass_fixup_cfg): Likewise.
4444         (pass_init_datastructures): Likewise.
4445         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
4446         (pass_late_warn_uninitialized): Likewise.
4447         (pass_update_address_taken): Likewise.
4448         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
4449         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
4450         (pass_cse_sincos): Likewise.
4451         (pass_convert_to_rsqrt): Likewise.
4452         * tree-ssa-structalias.c (pass_build_alias): Likewise.
4453         * tree-stdarg.c (pass_stdarg): Likewise.
4454         * tree-tailcall.c (pass_tail_recursion): Likewise.
4455         (pass_tail_calls): Likewise.
4456         * tree-vect-generic.c (pass_lower_vector): Likewise.
4457         (pass_lower_vector_ssa): Likewise.
4458         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
4459
4460 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
4461
4462         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
4463         XLR entry.
4464         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
4465         Handle -march=xlr.
4466         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
4467         logical and signext.
4468
4469 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
4470
4471         PR target/39767
4472         * config/sh/predicates.md (arith_operand): Check if the operand
4473         of TRUNCATE is a REG.
4474
4475 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4476
4477         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
4478         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
4479
4480 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4481
4482         * tree-iterator.c (tsi_split_statement_list_after,
4483         tsi_split_statement_list_before): Remove.
4484         * tree-iterator.h: Remove the prototypes for
4485         tsi_split_statement_list_after and tsi_split_statement_list_before.
4486
4487 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4488
4489         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
4490         * tree-ssa-propagate.h: Remove the prototype for
4491         stmt_makes_single_load.
4492
4493 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4494
4495         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
4496         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
4497
4498 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4499
4500         * tree-iterator.c (EXPR_LAST_BODY): Remove.
4501
4502 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4503
4504         * except.c (eh_region_outer_p): Remove.
4505         * except.h: Remove the prototype for eh_region_outer_p.
4506
4507 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
4508
4509         * function.c (current_function_assembler_name): Remove.
4510         * function.h: Remove the prototype for
4511         current_function_assembler_name.
4512
4513 2009-04-16  Ian Lance Taylor  <iant@google.com>
4514
4515         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
4516         (add_reg_note): Call alloc_reg_note.
4517         * rtl.h (alloc_reg_note): Declare.
4518         * combine.c (try_combine): Use alloc_reg_note.
4519         (recog_for_combine, move_deaths): Likewise.
4520         (distribute_notes): Use alloc_reg_note and add_reg_note.
4521         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
4522         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
4523         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
4524
4525 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
4526
4527         PR rtl-optimization/39762
4528         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
4529         ira_may_move_out_cost): Add comments about way of their usage.
4530         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
4531
4532         * ira-conflicts.c (process_regs_for_copy): Use function
4533         ira_get_register_move_cost instead of global
4534         ira_register_move_cost.
4535
4536         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
4537         color_pass, move_spill_restore, update_curr_costs): Ditto.
4538
4539         * ira-lives.c (process_single_reg_class_operands): Ditto.
4540
4541         * ira-emit.c (emit_move_list): Ditto.
4542
4543         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
4544         (record_reg_classes): Ditto.  Use functions
4545         ira_get_register_move_cost and ira_get_may_move_cost instead of
4546         global vars ira_register_move_cost, ira_may_move_out_cost and
4547         ira_may_move_in_cost.
4548         (record_address_regs): Don't call ira_init_register_move_cost.
4549         Use function ira_get_may_move_cost instead of global
4550         ira_may_move_in_cost.
4551         (process_bb_node_for_hard_reg_moves): Use function
4552         ira_get_register_move_cost instead of global ira_register_move_cost.
4553         (ira_costs): Don't call ira_init_register_move_cost.
4554
4555 2009-04-16  Richard Guenther  <rguenther@suse.de>
4556
4557         * tree-cfg.c (verify_gimple_assign_binary):
4558         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
4559         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
4560         (create_general_new_stmt): Note that this function is broken.
4561
4562 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4563
4564         * common.opt (fhelp): Add Var(help_flag).
4565         * gcc-plugin.h (plugin_info): Add help.
4566         * plugin.c (plugin_name_args): Add help.
4567         (register_plugin_info): Set plugin->help.
4568         (print_help_one_plugin): New.
4569         (print_plugins_help): New.
4570         * plugin.h (print_plugins_help): New.
4571         * toplev.c (toplev_main): Call print_plugins_help if needed.
4572
4573 2009-04-16  Richard Guenther  <rguenther@suse.de>
4574
4575         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
4576         (gimple_ior_addresses_taken_1): New function.
4577         (gimple_ior_addresses_taken): Likewise.
4578         * gimple.h (struct gimple_statement_with_ops_base): Remove
4579         addresses_taken member.
4580         (gimple_ior_addresses_taken): Declare.
4581         (gimple_addresses_taken, gimple_addresses_taken_ptr,
4582         gimple_set_addresses_taken): Remove.
4583         * ipa-reference.c (mark_address): New function.
4584         (scan_stmt_for_static_refs): Use it for marking addresses taken.
4585         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
4586         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
4587         (gimple_add_to_addresses_taken): Remove.
4588         (get_tmr_operands): Call mark_address_taken.
4589         (get_asm_expr_operands): Likewise.
4590         (get_expr_operands): Likewise.
4591         (build_ssa_operands): Do not clear the addresses_taken bitmap.
4592         (free_stmt_operands): Do not free it.
4593         * tree-ssa.c (delete_tree_ssa): Likewise.
4594         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
4595
4596 2009-04-16  Richard Guenther  <rguenther@suse.de>
4597
4598         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
4599         (walk_stmt_load_store_ops): Likewise.
4600         * gimple.c (get_base_loadstore): New function.
4601         (walk_stmt_load_store_addr_ops): Likewise.
4602         (walk_stmt_load_store_ops): Likewise.
4603         * ipa-pure-const.c (check_op): Simplify.
4604         (check_load, check_store): New functions.
4605         (check_stmt): Use walk_stmt_load_store_ops.
4606         * ipa-reference.c (mark_load): Adjust signature.
4607         (mark_store): Likewise.
4608         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
4609
4610 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4611
4612         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
4613         (plugin_info): New.
4614         * opts.c (common_handle_option): Don't call print_version.
4615         * plugin.c (plugin_name_args): Add version.
4616         (register_plugin_info): New.
4617         (register_callback): Handle PLUGIN_INFO.
4618         (try_init_one_plugin): New.
4619         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
4620         if failed to init.
4621         (finalize_one_plugin): New.
4622         (finalize_plugins): New.
4623         (print_one_plugin): New.
4624         (print_plugins_versions): New.
4625         * plugin.h (print_plugins_versions): New.
4626         (finalize_plugins): New.
4627         * toplev.c (compile_file): Don't call initialize_plugins.
4628         (print_version): Call print_plugins_versions.
4629         (toplev_main): Call initialize_plugins. Print version if needed.
4630         Call finalize_plugins.
4631
4632 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
4633
4634         * common.opt (fversion): New.
4635         * gcc.c (print_version): New.
4636         (process_command): Don't print the version. Just set print_version.
4637         (main): Print version. Call subprocesses if print_version and
4638         verbose_flag are set.
4639         * opts.c (common_handle_option): Handle OPT_fversion.
4640
4641 2009-04-16  Richard Guenther  <rguenther@suse.de>
4642             Ira Rosen  <irar@il.ibm.com>
4643
4644         PR tree-optimization/39698
4645         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
4646         type of the reduction variable.  Only generate the def if
4647         it is needed.
4648
4649         * omp-low.c (expand_omp_for_generic): When converting to a pointer
4650         make sure to first convert to an integer of the same precision.
4651         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
4652         the type of the evolution correctly in computing the new
4653         induction variable base.
4654
4655 2009-04-16  Richard Guenther  <rguenther@suse.de>
4656
4657         PR middle-end/39625
4658         * tree-cfg.c (make_blocks): Split statements with to-be
4659         abnormal SSA names on the lhs.
4660
4661 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
4662
4663         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
4664         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
4665         * c-typeck.c (really_start_incremental_init): Likewise.
4666         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
4667         (TARGET_INITIALIZER): Remove it.
4668         * target.h (struct target): Remove vector_opaque_p.
4669         * tree.c (build_opaque_vector_type): New.
4670         * tree.h (TYPE_VECTOR_OPAQUE): New.
4671         (build_opaque_vector_type): Declare.
4672         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
4673         * config/rs6000/rs6000.c (build_opaque_vector_type,
4674         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
4675         (rs6000_init_builtins): Use build_opaque_vector_type for
4676         opaque_V4SI_type_node.
4677
4678 2009-04-15  Catherine Moore  <clm@codesourcery.com>
4679
4680         * debug.h (set_name):  Declare.
4681         * dwarf2out.c (dwarf2out_set_name): Declare.
4682         (dwarf2_debug_hooks): Add set_name.
4683         (find_AT_string): New.
4684         (add_AT_string): Call find_AT_string.
4685         (dwarf2out_set_name): New.
4686         * cp/decl.c (grokdeclarator): Call set_name.
4687         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
4688         * debug.c (do_nothing_debug_hooks):  Likewise.
4689         * dbxout.c (dbx_debug_hooks): Likewise.
4690         * sdbout.c (sdb_debug_hooks): Likewise.
4691
4692 2009-04-15  Michael Eager  <eager@eagercon.com>
4693
4694         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
4695         reg for single-precision FPU.
4696         * config/rs6000/rs6000.md (movsi_internal1): Only for
4697         !TARGET_SINGLE_FPU.
4698         (movsi_internal1_single): New. Add pattern to move SI values to/from
4699         single-precision FP regs.
4700
4701 2009-04-15  Richard Guenther  <rguenther@suse.de>
4702
4703         * omp-low.c (lower_rec_input_clauses): Build correct address
4704         expressions.
4705         (expand_omp_for_generic): Fix multiplication type.
4706         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
4707         (generate_memset_zero): Fix types.
4708         * tree-profile.c (prepare_instrumented_value): Correctly
4709         widen a pointer.
4710
4711 2009-04-15  Ian Lance Taylor  <iant@google.com>
4712
4713         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
4714         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
4715         for -Wall and for -Wc++-compat.
4716         (c_common_post_options): For C++, set warn_enum_compare if not
4717         already set.
4718         * c-tree.h (struct c_expr): Add field original_type.
4719         (build_external_ref): Update declaration.
4720         * c-parser.c (c_parser_braced_init): Set original_type.
4721         (c_parser_initelt): Likewise.
4722         (c_parser_expr_no_commas): Likewise.
4723         (c_parser_conditional_expression): Likewise.
4724         (c_parser_cast_expression): Likewise.
4725         (c_parser_unary_expression): Likewise.  Pull setting of
4726         original_code to top of function.
4727         (c_parser_sizeof_expression): Set original_type.
4728         (c_parser_alignof_expression): Likewise.
4729         (c_parser_postfix_expression): Likewise.  Pull setting of
4730         original_code to top of function.
4731         (c_parser_postfix_expression_after_paren_type): Set original_type.
4732         (c_parser_postfix_expression_after_primary): Likewise.
4733         (c_parser_expression): Likewise.
4734         * c-typeck.c (build_external_ref): Add type parameter.  Change all
4735         callers.
4736         (c_expr_sizeof_expr): Set original_type field.
4737         (parser_build_unary_op): Likewise.
4738         (parser_build_binary_op): Likewise.  Optionally warn about
4739         comparisons of enums of different types.
4740         (digest_init): Set original_type field.
4741         (really_start_incremental_init): Likewise.
4742         (push_init_level, pop_init_level): Likewise.
4743         * doc/invoke.texi (Warning Options): -Wenum-compare now
4744         supported in C.
4745
4746 2009-04-15  Richard Guenther  <rguenther@suse.de>
4747
4748         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
4749         out a necessary conversion.
4750         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
4751         names we didn't value number.
4752         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
4753
4754 2009-04-15  Richard Guenther  <rguenther@suse.de>
4755
4756         PR tree-optimization/39764
4757         * tree-ssa-ccp.c (get_value): Canonicalize value with
4758         canonicalize_float_value.
4759
4760 2009-04-15  Jan Hubicka  <jh@suse.cz>
4761
4762         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
4763         Wrong version of patch.
4764
4765 2009-04-15  Jan Hubicka  <jh@suse.cz>
4766
4767         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
4768
4769 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
4770
4771         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
4772         our distinct integral and vector types.
4773
4774 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
4775
4776         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
4777         * init.c (build_vtbl_address): Remove call to assemble_external.
4778
4779 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
4780
4781         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
4782         output for other floating point modes.
4783
4784 2009-04-14  Diego Novillo  <dnovillo@google.com>
4785
4786         * diagnostic.c (diagnostic_report_diagnostic): Do not
4787         warn about loaded plugins for DK_ERROR and DK_WARNING.
4788         * c-decl.c (declspecs_add_type): Move call to
4789         invoke_plugin_callbacks ...
4790         * c-parser.c (c_parser_declspecs): ... here.
4791         * plugin.c (dump_active_plugins): Tidy output.
4792
4793 2009-04-14  Diego Novillo  <dnovillo@google.com>
4794             Le-Chun Wu  <lcwu@google.com>
4795
4796         * configure.ac: Add --enable-plugin support.
4797         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
4798         * Makefile.in (PLUGIN_H): Define.
4799         Export ENABLE_PLUGIN and GMPINC to site.exp.
4800         Add PLUGINLIBS to link command.
4801         Add/modify dependencies for plugin.o and files including plugin.h.
4802         (plugin.o): New.
4803         * config.in: Regenerate.
4804
4805         * opts.c (common_handle_option): Handle OPT_fplugin_ and
4806         OPT_fplugin_arg_.
4807
4808 2009-04-14  Le-Chun Wu  <lcwu@google.com>
4809
4810         * tree-pass.h (register_one_dump_file): Add a prototype for
4811         register_one_dump_file.
4812         * toplev.c (compile_file): Call initialize_plugins.
4813         (do_compile): Call invoke_plugin_callbacks.
4814         (toplev_main): Call invoke_plugin_callbacks.
4815         * common.opt: Add -fplugin= and -fplugin-arg-.
4816         * gcc-plugin.h: New public header file for plugins to include.
4817         * plugin.c: New source file.
4818         * plugin.h: New internal header file.
4819         * passes.c (register_one_dump_file): Make it external.
4820
4821         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
4822
4823 2009-04-14  Diego Novillo  <dnovillo@google.com>
4824
4825         * doc/plugins.texi: New.
4826         * doc/gccint.texi: Add reference to Plugins chapter.
4827         * doc/invoke.texi: Document -fplugin and -fplugin-arg
4828         * diagnostic.c (diagnostic_report_diagnostic): Warn about
4829         loaded plugins, if any.
4830         * timevar.def (TV_PLUGIN_INIT): Define.
4831         (TV_PLUGIN_RUN): Define.
4832         * plugin.c: Include timevar.h
4833         (plugins_active_p): New.
4834         (dump_active_plugins): New.
4835         (debug_active_plugins): New.
4836
4837 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
4838
4839         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
4840         library paths.
4841         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
4842
4843 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
4844
4845         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
4846         the same as a minus without a shift.
4847
4848 2009-04-14  Nick Clifton  <nickc@redhat.com>
4849
4850         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
4851         comparisons with small integers will always produce a short
4852         branch.
4853
4854 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
4855
4856         Merge:
4857         2008-12-19  Diego Novillo  <dnovillo@google.com>
4858
4859         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
4860
4861 2009-04-14  Richard Guenther  <rguenther@suse.de>
4862
4863         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
4864         verification.
4865         (verify_gimple_assign_binary): Likewise.  Handle shifts and
4866         rotates correctly.
4867         (verify_gimple_phi): Print the mismatched argument position.
4868         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4869         Fix types.
4870         (vect_update_init_of_dr): Likewise.
4871         * matrix-reorg.c (transform_access_sites): Do what the
4872         comment suggests.
4873         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
4874
4875 2009-04-13  Michael Eager  <eager@eagercon.com>
4876
4877         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
4878         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
4879         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
4880         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
4881         remove duplicate config
4882
4883 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4884
4885         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
4886         file_name:line_number type locator of the call site.
4887
4888 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
4889
4890         * genautomata.c: Put blank after comma.
4891         (automaton_decls): New.
4892         (struct unit_usage): Add comments to member next.
4893         (store_alt_unit_usage): Keep the list ordered.
4894         (unit_present_on_list_p, equal_alternatives_p): New.
4895         (check_regexp_units_distribution): Check units distribution
4896         correctness correctly.
4897         (main): Don't write automata if error is found.  Return correct
4898         exit code.
4899
4900         * config/m68k/cf.md (cfv4_ds): Remove.
4901         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
4902         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
4903
4904         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
4905         power4-load-ext, power4-store, power4-store-update,
4906         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
4907         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
4908         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
4909         power4-sqrt, power4-isync): Modify reservation to make correct
4910         unit distribution to automata.
4911
4912         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
4913         power5-store-update, power5-two, power5-three, power5-lmul,
4914         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
4915
4916 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
4917
4918         * except.c (pass_set_nothrow_function_flags): Set name and add
4919         TODO_dump_func.
4920         (set_nothrow_function_flags): Mention in the dump file when
4921         changing a function to nothrow.
4922
4923 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
4924
4925         PR/39066
4926         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
4927         instead of unsigned long.
4928
4929 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4930
4931         * config/arm/arm.c (return_used_this_function): Remove.
4932         (arm_output_function_prologue): Remove use of
4933         return_used_this_function.
4934         (output_return_instruction): Replace use of
4935         return_used_this_function
4936         by cfun->machine->return_used_this_function.
4937         (arm_output_epilogue): Likewise.
4938         (arm_output_function_epilogue): Likewise.
4939         (thumb_unexpanded_epilogue): Likewise.
4940         * config/arm/arm.h (struct machine_function):
4941         New member return_used_this_function.
4942
4943 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
4944
4945         * doc/install.texi: Correct description of default directory for
4946         --with-gxx-include-dir.
4947
4948 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4949
4950         * fold-const.c (build_range_check): Properly deal with enumeral and
4951         boolean base types.
4952
4953 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
4954
4955         * doc/invoke.texi (max_gcse_passes): Remove documentation.
4956         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
4957         * params.h (MAX_GCSE_PASSES): Remove.
4958         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
4959         in sequence.  Remove ability to run multiple passes.
4960         (bypass_jumps): Report run as third CPROP pass.
4961
4962 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
4963
4964         PR middle-end/39651
4965         * except.c (can_throw_external): Look at each insn in a SEQUENCE
4966         when deciding whether the whole SEQUENCE can throw.
4967
4968 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
4969
4970         PR target/39740
4971         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
4972         offseted label references.
4973
4974 2009-04-11  Jan Hubicka  <jh@suse.cz>
4975
4976         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
4977
4978 2009-04-11  Richard Guenther  <rguenther@suse.de>
4979
4980         PR middle-end/39732
4981         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
4982         return variables as TREE_ADDRESSABLE.
4983
4984 2009-04-11  Richard Guenther  <rguenther@suse.de>
4985
4986         PR tree-optimization/39713
4987         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
4988         reference trees have SSA_NAME operands.
4989
4990 2009-04-11  Richard Guenther  <rguenther@suse.de>
4991
4992         PR c/39712
4993         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
4994         address expressions.
4995
4996 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4997
4998         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
4999         match changes in Cygwin 1.7
5000         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5001         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5002
5003 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5004
5005         PR tree-optimization/39701
5006         * doc/invoke.texi (Optimization Options): Document change in
5007         meaning and initialization of -fdelete-null-pointer-checks.
5008
5009 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5010
5011         PR middle-end/39701
5012         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5013
5014         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5015         here.
5016
5017         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5018
5019 2009-04-10  Chao-ying Fu  <fu@mips.com>
5020
5021         * doc/tm.texi (Instruction Output): Document
5022         TARGET_ASM_FINAL_POSTSCAN_INSN.
5023         * target.h (final_postscan_insn): New field in asm_out.
5024         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5025         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5026         * final.c (final_scan_insn): Call
5027         targetm.asm_out.final_postscan_insn after outputting
5028         an asm macro and a normal instruction.
5029
5030         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5031         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5032         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5033         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5034         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5035
5036 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5037
5038         PR middle-end/39701
5039         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5040         variables as non-NULL even with -fdelete-null-pointer-checks.
5041
5042 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5043
5044         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5045
5046 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5047
5048         PR target/39678
5049         * config/i386/i386.c (classify_argument): Handle SCmode with
5050         (bit_offset % 64) != 0.
5051
5052 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5053
5054         * doc/invoke.texi (Optimize Options): Add cross-reference to
5055         -Q --help=optimizers examples.
5056
5057 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5058
5059         PR target/36800
5060         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5061         regalign for the reg == fpr and TDmode case.
5062
5063 2009-04-09  David Ayers  <ayers@fsfe.org>
5064
5065         PR objc/29200
5066         * objc/objc-act.c (warn_with_method): Remove helper function.
5067         (check_duplicates): Call warning and inform directly.
5068         (really_start_method): Likewise.
5069
5070 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5071
5072         * expmed.c (expand_divmod): Always use a comparison for a division
5073         by a large unsigned integer.
5074
5075         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5076         for things others than variables or functions as nonzero.
5077
5078 2009-04-09  Nick Clifton  <nickc@redhat.com>
5079
5080         * unwind-compat.c: Change copyright header to refer to version
5081         3 of the GNU General Public License with version 3.1 of the
5082         GCC Runtime Library Exception and to point readers at the
5083         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5084         * config/alpha/crtfastmath.c: Likewise.
5085         * config/alpha/linux-unwind.h: Likewise.
5086         * config/alpha/qrnnd.asm: Likewise.
5087         * config/alpha/vms-crt0-64.c: Likewise.
5088         * config/alpha/vms-crt0.c: Likewise.
5089         * config/alpha/vms-dwarf2.asm: Likewise.
5090         * config/alpha/vms-dwarf2eh.asm: Likewise.
5091         * config/alpha/vms-psxcrt0-64.c: Likewise.
5092         * config/alpha/vms-psxcrt0.c: Likewise.
5093         * config/alpha/vms_tramp.asm: Likewise.
5094         * config/arc/initfini.c: Likewise.
5095         * config/arc/lib1funcs.asm: Likewise.
5096         * config/arm/bpabi-v6m.S: Likewise.
5097         * config/arm/bpabi.S: Likewise.
5098         * config/arm/bpabi.c: Likewise.
5099         * config/arm/crti.asm: Likewise.
5100         * config/arm/crtn.asm: Likewise.
5101         * config/arm/ieee754-df.S: Likewise.
5102         * config/arm/ieee754-sf.S: Likewise.
5103         * config/arm/lib1funcs.asm: Likewise.
5104         * config/arm/libunwind.S: Likewise.
5105         * config/arm/linux-atomic.c: Likewise.
5106         * config/arm/mmintrin.h: Likewise.
5107         * config/arm/pr-support.c: Likewise.
5108         * config/arm/unaligned-funcs.c: Likewise.
5109         * config/arm/unwind-arm.c: Likewise.
5110         * config/arm/unwind-arm.h: Likewise.
5111         * config/avr/libgcc.S: Likewise.
5112         * config/bfin/crti.s: Likewise.
5113         * config/bfin/crtlibid.s: Likewise.
5114         * config/bfin/crtn.s: Likewise.
5115         * config/bfin/lib1funcs.asm: Likewise.
5116         * config/bfin/linux-unwind.h: Likewise.
5117         * config/cris/arit.c: Likewise.
5118         * config/cris/cris_abi_symbol.c: Likewise.
5119         * config/darwin-64.c: Likewise.
5120         * config/darwin-crt2.c: Likewise.
5121         * config/darwin-crt3.c: Likewise.
5122         * config/darwin.h: Likewise.
5123         * config/dbxelf.h: Likewise.
5124         * config/dfp-bit.c: Likewise.
5125         * config/dfp-bit.h: Likewise.
5126         * config/elfos.h: Likewise.
5127         * config/fixed-bit.c: Likewise.
5128         * config/fixed-bit.h: Likewise.
5129         * config/fp-bit.c: Likewise.
5130         * config/fp-bit.h: Likewise.
5131         * config/fr30/crti.asm: Likewise.
5132         * config/fr30/crtn.asm: Likewise.
5133         * config/fr30/lib1funcs.asm: Likewise.
5134         * config/freebsd-spec.h: Likewise.
5135         * config/frv/cmovd.c: Likewise.
5136         * config/frv/cmovh.c: Likewise.
5137         * config/frv/cmovw.c: Likewise.
5138         * config/frv/frvbegin.c: Likewise.
5139         * config/frv/frvend.c: Likewise.
5140         * config/frv/lib1funcs.asm: Likewise.
5141         * config/glibc-stdint.h: Likewise.
5142         * config/h8300/clzhi2.c: Likewise.
5143         * config/h8300/crti.asm: Likewise.
5144         * config/h8300/crtn.asm: Likewise.
5145         * config/h8300/ctzhi2.c: Likewise.
5146         * config/h8300/fixunssfsi.c: Likewise.
5147         * config/h8300/lib1funcs.asm: Likewise.
5148         * config/h8300/parityhi2.c: Likewise.
5149         * config/h8300/popcounthi2.c: Likewise.
5150         * config/i386/ammintrin.h: Likewise.
5151         * config/i386/att.h: Likewise.
5152         * config/i386/avxintrin.h: Likewise.
5153         * config/i386/biarch64.h: Likewise.
5154         * config/i386/bmmintrin.h: Likewise.
5155         * config/i386/cpuid.h: Likewise.
5156         * config/i386/cross-stdarg.h: Likewise.
5157         * config/i386/crtfastmath.c: Likewise.
5158         * config/i386/crtprec.c: Likewise.
5159         * config/i386/cygming-crtbegin.c: Likewise.
5160         * config/i386/cygming-crtend.c: Likewise.
5161         * config/i386/cygwin.asm: Likewise.
5162         * config/i386/emmintrin.h: Likewise.
5163         * config/i386/gmm_malloc.h: Likewise.
5164         * config/i386/gthr-win32.c: Likewise.
5165         * config/i386/i386.h: Likewise.
5166         * config/i386/immintrin.h: Likewise.
5167         * config/i386/linux-unwind.h: Likewise.
5168         * config/i386/linux64.h: Likewise.
5169         * config/i386/mm3dnow.h: Likewise.
5170         * config/i386/mmintrin-common.h: Likewise.
5171         * config/i386/mmintrin.h: Likewise.
5172         * config/i386/nmmintrin.h: Likewise.
5173         * config/i386/pmm_malloc.h: Likewise.
5174         * config/i386/pmmintrin.h: Likewise.
5175         * config/i386/smmintrin.h: Likewise.
5176         * config/i386/sol2-c1.asm: Likewise.
5177         * config/i386/sol2-ci.asm: Likewise.
5178         * config/i386/sol2-cn.asm: Likewise.
5179         * config/i386/sol2-gc1.asm: Likewise.
5180         * config/i386/tmmintrin.h: Likewise.
5181         * config/i386/unix.h: Likewise.
5182         * config/i386/w32-unwind.h: Likewise.
5183         * config/i386/wmmintrin.h: Likewise.
5184         * config/i386/x86-64.h: Likewise.
5185         * config/i386/x86intrin.h: Likewise.
5186         * config/i386/xmmintrin.h: Likewise.
5187         * config/ia64/crtbegin.asm: Likewise.
5188         * config/ia64/crtend.asm: Likewise.
5189         * config/ia64/crtfastmath.c: Likewise.
5190         * config/ia64/crti.asm: Likewise.
5191         * config/ia64/crtn.asm: Likewise.
5192         * config/ia64/fde-glibc.c: Likewise.
5193         * config/ia64/lib1funcs.asm: Likewise.
5194         * config/ia64/linux-unwind.h: Likewise.
5195         * config/ia64/quadlib.c: Likewise.
5196         * config/ia64/unwind-ia64.c: Likewise.
5197         * config/linux.h: Likewise.
5198         * config/m32c/m32c-lib1.S: Likewise.
5199         * config/m32c/m32c-lib2-trapv.c: Likewise.
5200         * config/m32c/m32c-lib2.c: Likewise.
5201         * config/m32r/initfini.c: Likewise.
5202         * config/m68hc11/larith.asm: Likewise.
5203         * config/m68hc11/m68hc11-crt0.S: Likewise.
5204         * config/m68k/cf.md: Likewise.
5205         * config/m68k/crti.s: Likewise.
5206         * config/m68k/crtn.s: Likewise.
5207         * config/m68k/lb1sf68.asm: Likewise.
5208         * config/m68k/linux-unwind.h: Likewise.
5209         * config/mcore/crti.asm: Likewise.
5210         * config/mcore/crtn.asm: Likewise.
5211         * config/mcore/lib1.asm: Likewise.
5212         * config/mips/linux-unwind.h: Likewise.
5213         * config/mips/loongson.h: Likewise.
5214         * config/mips/mips16.S: Likewise.
5215         * config/mmix/crti.asm: Likewise.
5216         * config/mmix/crtn.asm: Likewise.
5217         * config/pa/fptr.c: Likewise.
5218         * config/pa/hpux-unwind.h: Likewise.
5219         * config/pa/lib2funcs.asm: Likewise.
5220         * config/pa/linux-atomic.c: Likewise.
5221         * config/pa/linux-unwind.h: Likewise.
5222         * config/pa/milli64.S: Likewise.
5223         * config/pa/quadlib.c: Likewise.
5224         * config/pa/stublib.c: Likewise.
5225         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5226         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5227         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5228         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5229         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5230         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5231         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5232         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5233         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5234         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5235         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5236         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5237         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5238         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5239         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5240         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5241         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5242         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5243         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5244         * config/rs6000/750cl.h: Likewise.
5245         * config/rs6000/altivec.h: Likewise.
5246         * config/rs6000/biarch64.h: Likewise.
5247         * config/rs6000/crtresfpr.asm: Likewise.
5248         * config/rs6000/crtresgpr.asm: Likewise.
5249         * config/rs6000/crtresxfpr.asm: Likewise.
5250         * config/rs6000/crtresxgpr.asm: Likewise.
5251         * config/rs6000/crtsavfpr.asm: Likewise.
5252         * config/rs6000/crtsavgpr.asm: Likewise.
5253         * config/rs6000/darwin-asm.h: Likewise.
5254         * config/rs6000/darwin-fallback.c: Likewise.
5255         * config/rs6000/darwin-fpsave.asm: Likewise.
5256         * config/rs6000/darwin-ldouble.c: Likewise.
5257         * config/rs6000/darwin-tramp.asm: Likewise.
5258         * config/rs6000/darwin-unwind.h: Likewise.
5259         * config/rs6000/darwin-vecsave.asm: Likewise.
5260         * config/rs6000/darwin-world.asm: Likewise.
5261         * config/rs6000/e500crtres32gpr.asm: Likewise.
5262         * config/rs6000/e500crtres64gpr.asm: Likewise.
5263         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5264         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5265         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5266         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5267         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5268         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5269         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5270         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5271         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5272         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5273         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5274         * config/rs6000/eabi-ci.asm: Likewise.
5275         * config/rs6000/eabi-cn.asm: Likewise.
5276         * config/rs6000/eabi.asm: Likewise.
5277         * config/rs6000/linux-unwind.h: Likewise.
5278         * config/rs6000/linux64.h: Likewise.
5279         * config/rs6000/paired.h: Likewise.
5280         * config/rs6000/paired.md: Likewise.
5281         * config/rs6000/ppc64-fp.c: Likewise.
5282         * config/rs6000/ppu_intrinsics.h: Likewise.
5283         * config/rs6000/rs6000.h: Likewise.
5284         * config/rs6000/si2vmx.h: Likewise.
5285         * config/rs6000/sol-ci.asm: Likewise.
5286         * config/rs6000/sol-cn.asm: Likewise.
5287         * config/rs6000/spe.h: Likewise.
5288         * config/rs6000/spu2vmx.h: Likewise.
5289         * config/rs6000/sysv4.h: Likewise.
5290         * config/rs6000/tramp.asm: Likewise.
5291         * config/rs6000/vec_types.h: Likewise.
5292         * config/s390/linux-unwind.h: Likewise.
5293         * config/s390/tpf-unwind.h: Likewise.
5294         * config/score/crti.asm: Likewise.
5295         * config/score/crtn.asm: Likewise.
5296         * config/sh/crt1.asm: Likewise.
5297         * config/sh/crti.asm: Likewise.
5298         * config/sh/crtn.asm: Likewise.
5299         * config/sh/divtab-sh4-300.c: Likewise.
5300         * config/sh/divtab-sh4.c: Likewise.
5301         * config/sh/divtab.c: Likewise.
5302         * config/sh/lib1funcs-4-300.asm: Likewise.
5303         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5304         * config/sh/lib1funcs.asm: Likewise.
5305         * config/sh/lib1funcs.h: Likewise.
5306         * config/sh/linux-atomic.asm: Likewise.
5307         * config/sh/linux-unwind.h: Likewise.
5308         * config/sh/shmedia.h: Likewise.
5309         * config/sh/sshmedia.h: Likewise.
5310         * config/sh/ushmedia.h: Likewise.
5311         * config/sparc/crtfastmath.c: Likewise.
5312         * config/sparc/linux-unwind.h: Likewise.
5313         * config/sparc/sol2-c1.asm: Likewise.
5314         * config/sparc/sol2-ci.asm: Likewise.
5315         * config/sparc/sol2-cn.asm: Likewise.
5316         * config/spu/divmodti4.c: Likewise.
5317         * config/spu/divv2df3.c: Likewise.
5318         * config/spu/float_disf.c: Likewise.
5319         * config/spu/float_unsdidf.c: Likewise.
5320         * config/spu/float_unsdisf.c: Likewise.
5321         * config/spu/float_unssidf.c: Likewise.
5322         * config/spu/mfc_multi_tag_release.c: Likewise.
5323         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5324         * config/spu/mfc_tag_release.c: Likewise.
5325         * config/spu/mfc_tag_reserve.c: Likewise.
5326         * config/spu/mfc_tag_table.c: Likewise.
5327         * config/spu/multi3.c: Likewise.
5328         * config/spu/spu_internals.h: Likewise.
5329         * config/spu/spu_intrinsics.h: Likewise.
5330         * config/spu/spu_mfcio.h: Likewise.
5331         * config/spu/vec_types.h: Likewise.
5332         * config/spu/vmx2spu.h: Likewise.
5333         * config/stormy16/stormy16-lib2.c: Likewise.
5334         * config/svr4.h: Likewise.
5335         * config/sync.c: Likewise.
5336         * config/v850/lib1funcs.asm: Likewise.
5337         * config/vxlib-tls.c: Likewise.
5338         * config/vxlib.c: Likewise.
5339         * config/vxworks-dummy.h: Likewise.
5340         * config/xtensa/crti.asm: Likewise.
5341         * config/xtensa/crtn.asm: Likewise.
5342         * config/xtensa/ieee754-df.S: Likewise.
5343         * config/xtensa/ieee754-sf.S: Likewise.
5344         * config/xtensa/lib1funcs.asm: Likewise.
5345         * config/xtensa/lib2funcs.S: Likewise.
5346         * config/xtensa/linux-unwind.h: Likewise.
5347         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5348         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5349         * coretypes.h: Likewise.
5350         * crtstuff.c: Likewise.
5351         * defaults.h: Likewise.
5352         * dwarf2.h: Likewise.
5353         * emutls.c: Likewise.
5354         * gbl-ctors.h: Likewise.
5355         * gcov-io.h: Likewise.
5356         * ginclude/float.h: Likewise.
5357         * ginclude/iso646.h: Likewise.
5358         * ginclude/stdarg.h: Likewise.
5359         * ginclude/stdbool.h: Likewise.
5360         * ginclude/stddef.h: Likewise.
5361         * ginclude/stdfix.h: Likewise.
5362         * ginclude/stdint-gcc.h: Likewise.
5363         * ginclude/tgmath.h: Likewise.
5364         * gthr-aix.h: Likewise.
5365         * gthr-dce.h: Likewise.
5366         * gthr-gnat.c: Likewise.
5367         * gthr-gnat.h: Likewise.
5368         * gthr-lynx.h: Likewise.
5369         * gthr-mipssde.h: Likewise.
5370         * gthr-nks.h: Likewise.
5371         * gthr-posix.c: Likewise.
5372         * gthr-posix.h: Likewise.
5373         * gthr-posix95.h: Likewise.
5374         * gthr-rtems.h: Likewise.
5375         * gthr-single.h: Likewise.
5376         * gthr-solaris.h: Likewise.
5377         * gthr-tpf.h: Likewise.
5378         * gthr-vxworks.h: Likewise.
5379         * gthr-win32.h: Likewise.
5380         * gthr.h: Likewise.
5381         * libgcc2.c: Likewise.
5382         * libgcc2.h: Likewise.
5383         * libgcov.c: Likewise.
5384         * tsystem.h: Likewise.
5385         * typeclass.h: Likewise.
5386         * unwind-c.c: Likewise.
5387         * unwind-compat.h: Likewise.
5388         * unwind-dw2-fde-compat.c: Likewise.
5389         * unwind-dw2-fde-darwin.c: Likewise.
5390         * unwind-dw2-fde-glibc.c: Likewise.
5391         * unwind-dw2-fde.c: Likewise.
5392         * unwind-dw2-fde.h: Likewise.
5393         * unwind-dw2.c: Likewise.
5394         * unwind-dw2.h: Likewise.
5395         * unwind-generic.h: Likewise.
5396         * unwind-pe.h: Likewise.
5397         * unwind-sjlj.c: Likewise.
5398         * unwind.inc: Likewise.
5399         * config/arm/neon-gen.ml: Change generated copyright header to
5400         refer to version 3 of the GNU General Public License with
5401         version 3.1 of the GCC Runtime Library Exception and to point
5402         readers at the COPYING3 and COPYING3.RUNTIME files and the
5403         FSF's license web page.
5404         * config/arm/arm_neon.h: Regenerate.
5405
5406 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
5407
5408         * config/cris/cris.md: Change copyright header to refer to version
5409         3 of the GNU General Public License.
5410         * doc/install.texi2html: Change copyright header to refer to version
5411         3 of the GNU General Public License and to point readers at the
5412         COPYING3 file and the FSF's license web page.
5413         * config/vax/linux.h: Likewise.
5414
5415 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5416
5417         * config/i386/i386.md (cmpcc): New.
5418         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
5419         (sync_compare_and_swap_cc*): Delete.
5420
5421         * config/s390/s390.c (s390_compare_emitted): Remove.
5422         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
5423         s390_compare_emitted used to be handled.  Assert that modes match.
5424         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
5425         refer to sync_compare_and_swap_ccsi.
5426         * config/s390/s390.h (s390_compare_emitted): Remove.
5427         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
5428         instead of s390_compare_emitted.
5429         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
5430         instead of s390_compare_emitted.
5431         * config/s390/s390.md (cmpcc): New.
5432         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
5433         CC_REGNUM, do not pretend it's set.
5434         (sync_compare_and_swap_cc*): Delete.
5435         * config/s390/predicates.md (cc_reg_operand): New.
5436
5437         * expr.c (sync_compare_and_swap_cc): Delete.
5438         * optabs.h (sync_compare_and_swap_cc): Delete.
5439         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
5440         is being used with can_compare_p.
5441         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
5442         (find_cc_set): New.
5443         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
5444         look for a MODE_CC set instead.  Use emit_store_flag.
5445         (expand_compare_and_swap_loop): Likewise, with some additional
5446         complication to avoid a force_reg when useless.  Use
5447         emit_cmp_and_jump_insns.
5448         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
5449         * doc/md.texi (sync_compare_and_swap_cc): Merge with
5450         sync_compare_and_swap documentation.
5451
5452 2009-04-09  Jan Hubicka  <jh@suse.cz>
5453
5454         * except.c (find_prev_try): Break out from ....
5455         (duplicate_eh_regions): ... here; properly update prev_try pointers
5456         when duplication part of tree.
5457         (dump_eh_tree): Improve dumping.
5458         (verify_eh_region): New.
5459         (verify_eh_tree): Use it.
5460
5461 2009-04-06  Richard Guenther  <rguenther@suse.de>
5462
5463         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
5464         &ARRAY addresses by adjusting their types and prepending
5465         a conversion.
5466         * tree-cfg.c (verify_gimple_assign_single): Verify that
5467         addresses are correct.
5468
5469 2009-04-09  Richard Guenther  <rguenther@suse.de>
5470
5471         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
5472         indices into an array reference if possible.
5473         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5474         Fold POINTER_PLUS_EXPR statements with invariant address.
5475
5476 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
5477
5478         PR target/39634
5479         * config.gcc (powerpc64-*-linux*): Always build biarch.
5480
5481 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
5482
5483         PR c/39613
5484         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
5485         it and pedwarn if this results in an INTEGER_CST.
5486
5487 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5488
5489         * doc/install.texi: Update minimum GMP version.  Remove obsolete
5490         text in MPFR section.
5491
5492 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
5493
5494         * dwarf2out.c (class_scope_p): New static inline.
5495         (class_or_namespace_scope_p): Use it.
5496         (gen_variable_die): Use DW_TAG_member tag for static data member
5497         declarations instead of DW_TAG_variable.
5498
5499         PR middle-end/39573
5500         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
5501         variables.
5502
5503 2009-04-08  Richard Guenther  <rguenther@suse.de>
5504
5505         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
5506         valueize random data.
5507
5508 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
5509
5510         * config.gcc (aix tm_file):  Add aix-stdint.h.
5511         (aix tm clause use_gcc_stdint):  Set to wrap.
5512         * config/rs6000/aix-stdint.h:  New file.
5513
5514 2009-04-08  Richard Guenther  <rguenther@suse.de>
5515
5516         PR middle-end/36291
5517         * tree-dfa.c (add_referenced_var): Do not recurse into
5518         global initializers.
5519         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
5520         exposed variables.
5521         (fold_const_aggregate_ref): Likewise.
5522
5523 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5524
5525         * recog.c (ordered_comparison_operator): New.
5526         * gensupport.c (std_preds): Add it.
5527         * doc/md.texi (Machine-Independent Predicates): Document it.
5528
5529 2009-04-08  Jan Hubicka  <jh@suse.cz>
5530
5531         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
5532         * function.h (rtl_eh): Remove exception_handler_label_map.
5533         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
5534         remove_exception_handler_label, for_each_eh_label_1): Remove.
5535         (rtl_remove_unreachable_regions): Remove.
5536         (convert_from_eh_region_ranges): Do not remove unreachable regions.
5537         (find_exception_handler_labels): Don't build the hashtable.
5538         (maybe_remove_eh_handler): Remove.
5539         (for_each_eh_label): Rewrite to walk the tree.
5540         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
5541         * except.h (maybe_remove_eh_handler): Remove.
5542         * passes.c (init_optimization_passes): Schedule second EH cleanup
5543         before out-of-ssa.
5544         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
5545         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
5546
5547 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
5548
5549         * genoutput.c (validate_optab_operands): New.
5550         (gen_insn, gen_expand): Call it.
5551
5552         * genflags.c (gen_insn): Detect misused iterators.
5553         (main): Pass line_no to gen_insn, exit with status 1 on error.
5554
5555         * genextract.c (line_no): Make global.
5556         (VEC_safe_set_locstr): Change assertion to error message.
5557         (main): Exit with status 1 on error.
5558
5559 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
5560
5561         PR c/39614
5562         PR c/39673
5563         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
5564         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
5565         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
5566         * c-convert.c (convert): Do not call fold on results of conversion
5567         functions when the result is a C_MAYBE_CONST_EXPR.
5568         * c-parser.c (c_parser_postfix_expression): Do not fold condition
5569         of __builtin_choose_expr.
5570         * c-typeck.c (remove_c_maybe_const_expr): New.
5571         (build_unary_op, build_conditional_expr, build_compound_expr,
5572         build_binary_op, c_objc_common_truthvalue_conversion): Call
5573         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
5574         integer operands.
5575
5576 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
5577
5578         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
5579         CODE to produce a new one. Add a prototype to use fold_convert_const
5580
5581 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
5582
5583         PR bootstrap/39660
5584         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
5585         mix declarations and code.
5586
5587 2009-04-08  Ben Elliston  <bje@au.ibm.com>
5588
5589         * gcc.c: Replace `CC' with `GCC' throughout.
5590
5591 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
5592
5593         * doc/invoke.texi: Document Atom support.
5594
5595 2009-04-07  Jason Merrill  <jason@redhat.com>
5596
5597         PR c++/25185
5598         * c-common.h, c-common.c: Add flag_pretty_templates.
5599         * c-opts.c (c_common_handle_option): Set it.
5600         * c.opt: Add -fno-pretty-templates.
5601         * doc/invoke.texi (C++ Dialect Options): Likewise.
5602
5603 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
5604
5605         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
5606         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
5607         (ia64_expand_builtin): Likewise.
5608
5609 2009-04-07  Martin Jambor  <mjambor@suse.cz>
5610
5611         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
5612         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
5613         ADDR_EXPRS are include too.
5614
5615 2009-04-07  Richard Guenther  <rguenther@suse.de>
5616
5617         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
5618         decls are only used if passes as parameters or if they are
5619         local statics and the call is not to a builtin.
5620         (call_may_clobber_ref_p_1): Likewise.
5621
5622 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5623
5624         * expr.c (do_store_flag): Remove last argument.  Simplify code
5625         to avoid duplication of tests already done by can_compare_p.
5626         (expand_expr_real_1): Adjust caller.
5627
5628 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5629
5630         * optabs.c (can_compare_p): Test the predicate of a
5631         cbranch and cstore pattern.
5632
5633 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5634
5635         * expr.c (convert_move): Use emit_store_flag instead of
5636         "emulating" it.
5637
5638 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
5639
5640         * config/i386/i386.c (ix86_compare_emitted): Remove.
5641         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
5642         ix86_compare_op0 like ix86_compare_emitted used to be handled.
5643         * config/i386/i386.h (ix86_compare_emitted): Remove.
5644         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
5645         instead of ix86_compare_emitted.
5646         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
5647
5648 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
5649
5650         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
5651         Add t-sysroot-suffix to tmake_file.
5652         * config/print-sysroot-suffix.sh: New file.
5653         * config/t-sysroot-suffix: New file.
5654
5655 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5656
5657         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
5658         as the latter produces a warning when the target does not support
5659         infinity.
5660
5661 2009-04-07  Ben Elliston  <bje@au.ibm.com>
5662
5663         * dfp.c: Replace type punning assignments with memcpy throughout.
5664         * Makefile.in (dfp.o-warn): Remove.
5665
5666 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
5667
5668         PR target/39634
5669         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
5670         Include soft-fp/t-softfp after rs6000/t-linux64.
5671
5672 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
5673
5674         * stor-layout.c (set_sizetype): Use the full precision of their
5675         machine mode for bitsize types.
5676
5677 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
5678
5679         * config/i386/i386.md: Revert 2 accidental checkins.
5680
5681 2009-04-06  Joey Ye  <joey.ye@intel.com>
5682             Xuepeng Guo  <xuepeng.guo@intel.com>
5683             H.J. Lu  <hongjiu.lu@intel.com>
5684
5685         Atom pipeline model, tuning and insn selection.
5686         * config.gcc (atom): Add atom config options and target.
5687
5688         * config/i386/atom.md: New.
5689
5690         * config/i386/i386.c (atom_cost): New cost.
5691         (m_ATOM): New macro flag.
5692         (initial_ix86_tune_features): Set m_ATOM.
5693         (x86_accumulate_outgoing_args): Likewise.
5694         (x86_arch_always_fancy_math_387): Likewise.
5695         (processor_target): Add Atom cost.
5696         (cpu_names): Add Atom cpu name.
5697         (override_options): Set Atom ISA.
5698         (ix86_issue_rate): New case PROCESSOR_ATOM.
5699         (ix86_adjust_cost): Likewise.
5700
5701         * config/i386/i386.h (TARGET_ATOM): New target macro.
5702         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
5703         (TARGET_OPT_AGU): New target option.
5704         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
5705         (processor_type): Add PROCESSOR_ATOM.
5706
5707         * config/i386/i386.md (cpu): Add new value "atom".
5708         (use_carry, movu): New attr.
5709         (atom.md): Include atom.md.
5710         (adddi3_carry_rex64): Set attr "use_carry".
5711         (addqi3_carry): Likewise.
5712         (addhi3_carry): Likewise.
5713         (addsi3_carry): Likewise.
5714         (*addsi3_carry_zext): Likewise.
5715         (subdi3_carry_rex64): Likewise.
5716         (subqi3_carry): Likewise.
5717         (subhi3_carry): Likewise.
5718         (subsi3_carry): Likewise.
5719         (x86_movdicc_0_m1_rex64): Likewise.
5720         (*x86_movdicc_0_m1_se): Likewise.
5721         (x86_movsicc_0_m1): Likewise.
5722         (*x86_movsicc_0_m1_se): Likewise.
5723         (*adddi_1_rex64): Emit add insn as much as possible.
5724         (*addsi_1): Likewise.
5725         (return_internal): Set atom_unit.
5726         (return_internal_long): Likewise.
5727         (return_pop_internal): Likewise.
5728         (*rcpsf2_sse): Set atom_sse_attr attr.
5729         (*qrt<mode>2_sse): Likewise.
5730         (*prefetch_sse): Likewise.
5731
5732         * config/i386/i386-c.c (ix86_target_macros_internal): New case
5733         PROCESSOR_ATOM.
5734         (ix86_target_macros_internal): Likewise.
5735
5736         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
5737         (*prefetch_sse_rex): Likewise.
5738         (sse_rcpv4sf2): Likewise.
5739         (sse_vmrcpv4sf2): Likewise.
5740         (sse_sqrtv4sf2): Likewise.
5741         (<sse>_vmsqrt<mode>2): Likewise.
5742         (sse_ldmxcsr): Likewise.
5743         (sse_stmxcsr): Likewise.
5744         (*sse_sfence): Likewise.
5745         (sse2_clflush): Likewise.
5746         (*sse2_mfence): Likewise.
5747         (*sse2_lfence): Likewise.
5748         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
5749         (<sse>_movup<ssemodesuffixf2c>): Likewise.
5750         (avx_movdqu<avxmodesuffix>): Likewise.
5751         (avx_lddqu<avxmodesuffix>): Likewise.
5752         (sse2_movntv2di): Change attr "type" to "ssemov".
5753         (sse2_movntsi): Likewise.
5754         (rsqrtv8sf2): Change attr "type" to "sseadd".
5755         (sse3_addsubv2df3): Set attr "atom_unit".
5756         (sse3_h<plusminus_insn>v4sf3): Likewise.
5757         (*sse2_pmaddwd): Likewise.
5758         (*vec_extractv2di_1_rex64): Likewise.
5759         (*vec_extractv2di_1_avx): Likewise.
5760         (sse2_psadbw): Likewise.
5761         (ssse3_phaddwv8hi3): Likewise.
5762         (ssse3_phaddwv4hi3): Likewise.
5763         (ssse3_phadddv4si3): Likewise.
5764         (ssse3_phadddv2si3): Likewise.
5765         (ssse3_phaddswv8hi3): Likewise.
5766         (ssse3_phaddswv4hi3): Likewise.
5767         (ssse3_phsubwv8hi3): Likewise.
5768         (ssse3_phsubwv4hi3): Likewise.
5769         (ssse3_phsubdv4si3): Likewise.
5770         (ssse3_phsubdv2si3): Likewise.
5771         (ssse3_phsubswv8hi3): Likewise.
5772         (ssse3_phsubswv4hi3): Likewise.
5773         (ssse3_pmaddubsw128): Likewise.
5774         (sse3_pmaddubsw: Likewise.
5775         (ssse3_palignrti): Likewise.
5776         (ssse3_palignrdi): Likewise.
5777
5778 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
5779
5780         * doc/install.texi (Specific): Fix two cross-references to MinGW.
5781
5782 2009-04-06  Richard Guenther  <rguenther@suse.de>
5783
5784         PR tree-optimization/28868
5785         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
5786         of which PHI results we inserted.
5787         (insert_into_preds_of_block): Record inserted PHIs.
5788         (eliminate): Eliminate redundant PHI nodes.
5789         (init_pre): Init inserted_phi_names.
5790
5791 2009-04-06  Richard Guenther  <rguenther@suse.de>
5792
5793         PR tree-optimization/39643
5794         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
5795         IMAGPART_EXPRs of complex constants.
5796         (execute_fold_all_builtins): If we folded a call queue
5797         TODO_update_address_taken.
5798
5799 2009-04-06  Jan Hubicka  <jh@suse.cz>
5800
5801         PR middle-end/39659
5802         * except.c (remove_unreachable_regions): Propagate may_contain_throw
5803         flag.
5804
5805 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
5806
5807         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
5808         delay slot.
5809         (ic_invalidate_array): Likewise.
5810
5811 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
5812
5813         * calls.c (emit_library_call_value_1): Fix a problem with parameter
5814         alignment for library calls.
5815
5816 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
5817
5818         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
5819         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
5820         * config/i386/mingw-stdint.h:  New file.
5821
5822 2009-04-05  Richard Guenther  <rguenther@suse.de>
5823
5824         PR tree-optimization/39648
5825         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
5826         our &A vs. &A[0] IL deficiencies.
5827
5828 2009-04-04  Jan Hubicka  <jh@suse.cz>
5829
5830         * except.c (sjlj_find_directly_reachable_regions): Be ready for
5831         removed toplevel regions.
5832         (sjlj_mark_call_sites): Likewise.
5833
5834 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
5835
5836         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
5837         (cygwin tm clause use_gcc_stdint):  Set to wrap.
5838         * config/i386/cygwin-stdint.h:  New file.
5839
5840 2009-04-04  Richard Guenther  <rguenther@suse.de>
5841
5842         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
5843         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5844         single-argument PHIs if we are in loop-closed SSA form.
5845         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
5846         for the pre-condition.
5847         (slpeel_tree_peel_loop_to_edge): Likewise.
5848         (vect_build_loop_niters): Take an optional sequence to append stmts.
5849         (vect_generate_tmps_on_preheader): Likewise.
5850         (vect_do_peeling_for_loop_bound): Take extra guards for the
5851         pre-condition.
5852         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
5853         the cost model check.
5854         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
5855         guards if we are going to peel.  Do not apply versioning in that case.
5856         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
5857         (vect_do_peeling_for_loop_bound): Likewise.
5858         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
5859         loop bound only record extra pre-conditions, do not apply loop
5860         versioning.
5861
5862 2009-04-04  Richard Guenther  <rguenther@suse.de>
5863
5864         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
5865         renaming code.
5866
5867 2009-04-04  Jan Hubicka  <jh@suse.cz>
5868
5869         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
5870         last_basic_block for size of bb->index indexed array.
5871         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
5872         compute_out, link_btr_uses, build_btr_def_use_webs,
5873         build_btr_def_use_webs, migrate_btr_defs): Likewise.
5874
5875 2009-04-04  Jan Hubicka  <jh@suse.cz>
5876
5877         * except.c (remove_eh_handler_and_replace): Break out from ...
5878         (remove_eh_handler): ... here.
5879         (bring_to_root): New function.
5880         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
5881         handled ones, bring others to root of tree.
5882
5883 2009-04-04  Jan Hubicka  <jh@suse.cz>
5884
5885         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
5886         (all_phis_safe_to_merge): New function.
5887         (update_info): New structure.
5888         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
5889         (cleanup_empty_eh): Update SSA if possible.
5890
5891 2009-04-04  Richard Guenther  <rguenther@suse.de>
5892
5893         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
5894         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
5895         (append_vuse): Likewise.
5896
5897 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
5898
5899         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
5900         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
5901         instead of REG_UNSAVED for DW_CFA_undefined.
5902         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
5903         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
5904         outermost frame.
5905
5906 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
5907
5908         PR target/39501
5909         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
5910         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
5911         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
5912
5913 2009-04-04  Richard Guenther  <rguenther@suse.de>
5914
5915         PR tree-optimization/8781
5916         PR tree-optimization/37892
5917         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
5918         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
5919         (valueize_refs): Call it for *& valueizations.
5920         (shared_reference_ops_from_ref): Rename to ...
5921         (valueize_shared_reference_ops_from_ref): ... this and valueize.
5922         (shared_reference_ops_from_call): Rename to ...
5923         (valueize_shared_reference_ops_from_call): ... this and valueize.
5924         (vn_reference_lookup): Update.
5925         (visit_reference_op_call): Likewise.
5926         * tree-ssa-pre.c (phi_translate_1): Fold *&.
5927         (eliminate): Value-replace the call address in call statements.
5928
5929 2009-04-04  Richard Guenther  <rguenther@suse.de>
5930
5931         PR tree-optimization/39636
5932         * tree-ssa-forwprop.c
5933         (forward_propagate_addr_into_variable_array_index): Check for
5934         GIMPLE_ASSIGN before accessing the rhs code.
5935
5936 2009-04-03  Jason Merrill  <jason@redhat.com>
5937
5938         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
5939
5940 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
5941
5942         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
5943         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
5944         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
5945         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
5946         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
5947         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
5948         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
5949         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
5950         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
5951         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
5952         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
5953         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
5954         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
5955         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
5956         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
5957         Use fr_reg_or_fp01_operand instead of fr_register_operand
5958
5959         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
5960         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
5961         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
5962
5963 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
5964
5965         PR rtl-optimization/39607
5966         PR rtl-optimization/39631
5967
5968         Revert:
5969
5970         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
5971         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
5972         instead of DF_LR_OUT.
5973         * ira-lives.c (process_bb_node_lives): Ditto.
5974         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
5975         instead of DF_LR_{OUT,IN}.
5976         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
5977         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
5978
5979 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
5980
5981         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
5982         (execute_lower_omp): Always run but take the short way out if -fopenmp
5983         is not given.
5984         (gate_lower_omp): Remove, forcing the pass manager to always run the
5985         pass and always set PROP_gimple_lomp.
5986         (pass_lower_omp): Remove gate function.
5987         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
5988         PROP_trees.  Instead, require it.
5989         * ipa-cp.c (pass_ipa_cp): Likewise.
5990         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
5991         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
5992         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
5993         and PROP_gimple_leh.
5994
5995 2009-04-03  Richard Guenther  <rguenther@suse.de>
5996
5997         PR middle-end/13146
5998         PR tree-optimization/23940
5999         PR tree-optimization/33237
6000         PR middle-end/33974
6001         PR middle-end/34093
6002         PR tree-optimization/36201
6003         PR tree-optimization/36230
6004         PR tree-optimization/38049
6005         PR tree-optimization/38207
6006         PR tree-optimization/38230
6007         PR tree-optimization/38301
6008         PR tree-optimization/38585
6009         PR middle-end/38895
6010         PR tree-optimization/38985
6011         PR tree-optimization/39299
6012         * tree-ssa-structalias.h: Remove.
6013         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6014         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6015         (struct vuse_element_d): Remove.
6016         (struct vuse_vec_d): Likewise.
6017         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6018         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6019         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6020         VUSE_ELEMENT_VAR): Likewise.
6021         (struct voptype_d): Likewise.
6022         (NUM_VOP_FREE_BUCKETS): Likewise.
6023         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6024         (struct stmt_operands_d): Remove.
6025         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6026         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6027         VDEF_NUM, VDEF_VECT): Likewise.
6028         (copy_virtual_operands): Remove.
6029         (operand_build_cmp): Likewise.
6030         (create_ssa_artificial_load_stmt): Likewise.
6031         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6032         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6033         vuse_index and mayuse_index members.  Pack and move done and iter_type
6034         members to the front.
6035         (SSA_OP_VMAYUSE): Remove.
6036         (SSA_OP_VIRTUAL_USES): Adjust.
6037         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6038         (unlink_stmt_vdef): Declare.
6039         (add_to_addressable_set): Remove.
6040         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6041         (vrp_visit_stmt): Likewise.
6042         * doc/tree-ssa.texi (Alias analysis): Update.
6043         * doc/invoke.texi (max-aliased-vops): Remove docs.
6044         (avg-aliased-vops): Likewise.
6045         * tree-into-ssa.c (syms_to_rename): Remove.
6046         (need_to_update_vops_p): Likewise.
6047         (need_to_initialize_update_ssa_p): Rename to ...
6048         (update_ssa_initialized_fn): ... this.  Track function we are
6049         initialized for.
6050         (symbol_marked_for_renaming): Simplify.
6051         (add_new_name_mapping): Do not set need_to_update_vops_p.
6052         (dump_currdefs): Use SYMS_TO_RENAME.
6053         (rewrite_update_stmt): Always walk all uses/defs.
6054         (dump_update_ssa): Adjust.
6055         (init_update_ssa): Take function argument.  Track what we are
6056         initialized for.
6057         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6058         (create_new_def_for): Initialize for cfun, assert we are initialized
6059         for cfun.
6060         (mark_sym_for_renaming): Simplify.
6061         (mark_set_for_renaming): Do not initialize update-ssa.
6062         (need_ssa_update_p): Simplify.  Take function argument.
6063         (name_mappings_registered_p): Assert we ask for the correct function.
6064         (name_registered_for_update_p): Likewise.
6065         (ssa_names_to_replace): Likewise.
6066         (release_ssa_name_after_update_ssa): Likewise.
6067         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6068         (dump_decl_set): Do not print a newline.
6069         (debug_decl_set): Do it here.
6070         (dump_update_ssa): And here.
6071         * tree-ssa-loop-im.c (move_computations): Adjust.
6072         (movement_possibility): Likewise.
6073         (determine_max_movement): Likewise.
6074         (gather_mem_refs_stmt): Likewise.
6075         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6076         or NAME_MEMORY_TAG.
6077         * tree-complex.c (update_all_vops): Remove.
6078         (expand_complex_move): Adjust.
6079         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6080         Simplify test for memory referencing statement.  Exclude
6081         non-invariant ADDR_EXPRs.
6082         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6083         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6084         (rdg_flag_uses): Likewise.
6085         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6086         related code.
6087         (tree_optimize_tail_calls_1): Also split the
6088         edge from the entry block if we have degenerate PHI nodes in
6089         the first basic block.
6090         * tree.c (init_ttree): Remove memory-tag related code.
6091         (tree_code_size): Likewise.
6092         (tree_node_structure): Likewise.
6093         (build7_stat): Re-write to be build6_stat.
6094         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6095         (SSA_VAR_P): Adjust.
6096         (struct tree_memory_tag): Remove.
6097         (struct tree_memory_partition_tag): Likewise.
6098         (union tree_node): Adjust.
6099         (build7): Re-write to be build6.
6100         * tree-pass.h (pass_reset_cc_flags): Remove.
6101         (TODO_update_address_taken): New flag.
6102         (pass_simple_dse): Remove.
6103         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6104         * params.h (MAX_ALIASED_VOPS): Remove.
6105         (AVG_ALIASED_VOPS): Likewise.
6106         * omp-low.c (expand_omp_taskreg): Update SSA form.
6107         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6108         aliases the lhs in a copy stmt.
6109         * tree-ssa-dse.c (struct address_walk_data): Remove.
6110         (memory_ssa_name_same): Likewise.
6111         (memory_address_same): Likewise.
6112         (get_kill_of_stmt_lhs): Likewise.
6113         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6114         unused stores.  Look through PHI nodes into post-dominated regions.
6115         (dse_optimize_stmt): Simplify.  Properly remove stores.
6116         (tree_ssa_dse): Compute dominators.
6117         (execute_simple_dse): Remove.
6118         (pass_simple_dse): Likewise.
6119         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6120         gimple_loaded_syms and gimple_stored_syms computation.
6121         * toplev.c (dump_memory_report): Dump alias and pta stats.
6122         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6123         (vn_reference_eq): Likewise.
6124         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6125         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6126         valueize_vuses): Remove.
6127         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6128         (get_def_ref_stmt_vuse): ... this.
6129         (vn_reference_lookup_2): New function.
6130         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6131         walking equivalent vuses.  Simplify.
6132         (vn_reference_lookup): Likewise.
6133         (vn_reference_insert): Likewise.
6134         (vn_reference_insert_pieces): Likewise.
6135         (visit_reference_op_call): Simplify.
6136         (visit_reference_op_load): Likewise.
6137         (visit_reference_op_store): Likewise.
6138         (init_scc_vn): Remove shared_lookup_vuses initialization.
6139         (free_scc_vn): Remove shared_lookup_vuses freeing.
6140         (sort_vuses, sort_vuses_heap): Remove.
6141         (get_ref_from_reference_ops): Export.
6142         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6143         vector with single vuse pointer.
6144         (vn_reference_lookup_pieces, vn_reference_lookup,
6145         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6146         (shared_vuses_from_stmt): Remove.
6147         (get_ref_from_reference_ops): Declare.
6148         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6149         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6150         memory-tag related code.
6151         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6152         (likely_value): Add comment, skip static-chain of call statements.
6153         (surely_varying_stmt_p): Adjust.
6154         (gimplify_and_update_call_from_tree): Likewise.
6155         (execute_fold_all_builtins): Do not rebuild alias info.
6156         (gimplify_and_update_call_from_tree): Properly update VOPs.
6157         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6158         (copy_ref_info): Remove memory-tag related code.
6159         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6160         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6161         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6162         computation.
6163         * tree-ssa-dom.c (gimple_p): Remove typedef.
6164         (eliminate_redundant_computations): Adjust.
6165         (record_equivalences_from_stmt): Likewise.
6166         (avail_expr_hash): Likewise.
6167         (avail_expr_eq): Likewise.
6168         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6169         (stmt_makes_single_load): Likewise.
6170         (stmt_makes_single_store): Likewise.
6171         * tree-ssa-alias.c: Rewrite completely.
6172         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6173         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6174         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6175         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6176         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6177         Remove public functions.
6178         (pass_reset_cc_flags): Remove.
6179         (pass_build_alias): Move ...
6180         * tree-ssa-structalias.c (pass_build_alias): ... here.
6181         * tree-ssa-alias.c (may_be_aliased): Move ...
6182         * tree-flow-inline.h (may_be_aliased): ... here.
6183         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6184         count_uses_and_derefs): Move ...
6185         * gimple.c: ... here.
6186         * gimple.h (count_uses_and_derefs): Declare.
6187         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6188         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6189         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6190         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6191         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6192         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6193         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6194         New functions.
6195         * tree-dfa.c (refs_may_alias_p): Move ...
6196         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6197         * tree-ssa-alias.h: New file.
6198         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6199         (statement_sink_location): Likewise.
6200         * opts.c (decode_options): Do not adjust max-aliased-vops or
6201         avg-aliased-vops values.
6202         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6203         (TV_CALL_CLOBBER): Likewise.
6204         (TV_FLOW_SENSITIVE): Likewise.
6205         (TV_FLOW_INSENSITIVE): Likewise.
6206         (TV_MEMORY_PARTITIONING): Likewise.
6207         (TV_ALIAS_STMT_WALK): New timevar.
6208         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6209         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6210         (get_address_description): Remove memory-tag related code.
6211         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6212         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6213         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6214         and immediate uses in statements.  Document.
6215         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6216         (dump_symbols): Remove.
6217         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6218         * alias.c (get_deref_alias_set): New function split out from ...
6219         (get_alias_set): ... here.
6220         * alias.h (get_deref_alias_set): Declare.
6221         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6222         type parameter.  Remove restrict pointer handling.  Create a
6223         ref-all pointer in case type-based alias sets do not conflict.
6224         (vect_analyze_data_refs): Remove SMT related code.
6225         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6226         (vectorizable_load): Likewise.
6227         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6228         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6229         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6230         Ignore vops and SMTs.
6231         (dr_analyze_alias): Likewise..
6232         (free_data_ref): Likewise.
6233         (create_data_ref): Likewise.
6234         (analyze_all_data_dependences): Likewise.
6235         (get_references_in_stmt): Adjust.
6236         * tree-flow-inline.h (gimple_aliases_computed_p,
6237         gimple_addressable_vars, gimple_call_clobbered_vars,
6238         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6239         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6240         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6241         gimple_mem_ref_stats): Remove.
6242         (gimple_vop): New function.
6243         (op_iter_next_use): Remove vuses and mayuses cases.
6244         (op_iter_next_def): Remove vdefs case.
6245         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6246         (clear_and_done_ssa_iter): Do not set removed fields.
6247         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6248         Assert we are not iterating over vuses or vdefs if not also
6249         iterating over uses or defs.
6250         (op_iter_init_use): Likewise.
6251         (op_iter_init_def): Likewise.
6252         (op_iter_next_vdef): Remove.
6253         (op_iter_next_mustdef): Likewise.
6254         (op_iter_init_vdef): Likewise.
6255         (compare_ssa_operands_equal): Likewise.
6256         (link_use_stmts_after): Handle vuse operand.
6257         (is_call_used): Use is_call_clobbered.
6258         (is_call_clobbered): Global variables are always call clobbered,
6259         query the call-clobbers bitmap.
6260         (mark_call_clobbered): Ignore global variables.
6261         (clear_call_clobbered): Likewise.
6262         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6263         virtual operands sanity check.
6264         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6265         Remove.
6266         (TARGET_MEM_REF): Remove TMR_TAG operand.
6267         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6268         Remove call-clobber related code.
6269         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6270         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6271         partitions or escape reason.
6272         (get_single_def_stmt, get_single_def_stmt_from_phi,
6273         get_single_def_stmt_with_phi): Remove.
6274         (dump_referenced_vars): Tidy.
6275         (get_ref_base_and_extent): Allow bare decls.
6276         (collect_dfa_stats): Adjust.
6277         * graphite.c (rename_variables_in_stmt): Adjust.
6278         (graphite_copy_stmts_from_block): Likewise.
6279         (translate_clast): Likewise.
6280         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6281         (EXPR_DIES): New.
6282         (translate_vuse_through_block): Use the oracle.
6283         (phi_translate_1): Adjust.
6284         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6285         in EXPR_DIES.
6286         (valid_in_sets): Check if the VUSE for
6287         a REFERENCE is available.
6288         (eliminate): Do not remove stmts during elimination,
6289         instead queue and remove them afterwards.
6290         (do_pre): Do not rebuild alias info.
6291         (pass_pre): Run TODO_rebuild_alias before PRE.
6292         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6293         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6294         (mark_all_v_defs_stmt): Remove.
6295         (mark_all_v_defs_seq): Adjust.
6296         (sra_replace): Likewise.
6297         (scalarize_use): Likewise.
6298         (scalarize_copy): Likewise.
6299         (scalarize_init): Likewise.
6300         (scalarize_ldst): Likewise.
6301         (todoflags): Remove.
6302         (tree_sra): Do not rebuild alias info.
6303         (tree_sra_early): Adjust.
6304         (pass_sra): Run TODO_update_address_taken before SRA.
6305         * tree-predcom.c (set_alias_info): Remove.
6306         (prepare_initializers_chain): Do not call it.
6307         (mark_virtual_ops_for_renaming): Adjust.
6308         (mark_virtual_ops_for_renaming_list): Remove.
6309         (initialize_root_vars): Adjust.
6310         (initialize_root_vars_lm): Likewise.
6311         (prepare_initializers_chain): Likewise.
6312         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6313         (may_propagate_copy_into_stmt): Likewise.
6314         (merge_alias_info): Do nothing for now.
6315         (propagate_tree_value_into_stmt): Adjust.
6316         (stmt_may_generate_copy): Likewise.
6317         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6318         not mark symbols for renaming.
6319         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6320         with the same statement, make sure to update the new pointed-to one.
6321         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6322         call statements, do not mark symbols for renaming.
6323         (mark_operand_necessary): Dump something.
6324         (ref_may_be_aliased): New function.
6325         (mark_aliased_reaching_defs_necessary_1): New helper function.
6326         (mark_aliased_reaching_defs_necessary): Likewise.
6327         (mark_all_reaching_defs_necessary_1): Likewise.
6328         (mark_all_reaching_defs_necessary): Likewise.
6329         (propagate_necessity): Do not process virtual PHIs.  For
6330         non-aliased loads mark all reaching definitions as necessary.
6331         For aliased loads and stores mark the immediate dominating
6332         aliased clobbers as necessary.
6333         (visited): New global static.
6334         (perform_tree_ssa_dce): Free visited bitmap after propagating
6335         necessity.
6336         (remove_dead_phis): Perform simple dead virtual PHI removal.
6337         (remove_dead_stmt): Properly unlink virtual operands when
6338         removing stores.
6339         (eliminate_unnecessary_stmts): Schedule PHI removal after
6340         stmt removal.
6341         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6342         (process_replaceable): Likewise.
6343         (find_replaceable_in_bb): Likewise.
6344         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6345         based on the single gimple vop.
6346         (verify_flow_insensitive_alias_info): Remove.
6347         (verify_flow_sensitive_alias_info): Likewise.
6348         (verify_call_clobbering): Likewise.
6349         (verify_memory_partitions): Likewise.
6350         (verify_alias_info): Likewise.
6351         (verify_ssa): Adjust..
6352         (execute_update_addresses_taken): Export.  Update SSA
6353         manually.  Optimize only when optimizing.  Use a local bitmap.
6354         (pass_update_address_taken): Remove TODO_update_ssa, add
6355         TODO_dump_func.
6356         (pass_update_address_taken): Just use TODO_update_address_taken.
6357         (init_tree_ssa): Do not initialize addressable_vars.
6358         (verify_ssa): Verify new VUSE / VDEF properties.
6359         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6360         Do not call verify_alias_info.
6361         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6362         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6363         and callused solutions.  Do not free addressable_vars.
6364         Remove memory-tag related code.
6365         (warn_uninitialized_var): Aliases are always available.
6366         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6367         * lambda-code.c (can_put_in_inner_loop): Adjust.
6368         (can_put_after_inner_loop): Likewise.
6369         (perfect_nestify): Likewise.
6370         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6371         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6372         (vectorizable_conversion): Do not mark symbols for renaming.
6373         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6374         (expand_call_inline): Unlink the calls virtual operands before
6375         replacing it.
6376         (tree_function_versioning): Do not call update_ssa if we are not
6377         updating clones.  Simplify.
6378         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6379         (propagate_with_phi): Likewise..
6380         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6381         clobber code.  Assert we are not aliased or global.
6382         * tree-flow.h: Include tree-ssa-alias.h
6383         (enum escape_type): Remove.
6384         (struct mem_sym_stats_d): Likewise.
6385         (struct mem_ref_stats_d): Likewise.
6386         (struct gimple_df): Add vop member.  Remove global_var,
6387         call_clobbered_vars, call_used_vars, addressable_vars,
6388         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6389         escaped and callused members.
6390         (struct ptr_info_def): Remove all members, add points-to solution
6391         member pt.
6392         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6393         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6394         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6395         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6396         (tree-ssa-alias.o): Likewise.
6397         (toplev.o): Add tree-ssa-alias.h
6398         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
6399         * gimple.c (gimple_set_bb): Fix off-by-one error.
6400         (is_gimple_reg): Do not handle memory tags.
6401         (gimple_copy): Also copy virtual operands.
6402         Delay updating the statement.  Do not reset loaded and stored syms.
6403         (gimple_set_stored_syms): Remove.
6404         (gimple_set_loaded_syms): Likewise.
6405         (gimple_call_copy_skip_args): Copy the virtual operands
6406         and mark the new statement modified.
6407         * tree-ssa-structalias.c (may_alias_p): Remove.
6408         (set_uids_in_ptset): Take the alias set to prune with as
6409         parameter.  Fold in the alias test of may_alias_p.
6410         (compute_points_to_sets): Compute whether a ptr is dereferenced
6411         in a local sbitmap.
6412         (process_constraint): Deal with &ANYTHING on the lhs, reject all
6413         other ADDRESSOF constraints on the lhs.
6414         (get_constraint_for_component_ref): Assert that we don't get
6415         ADDRESSOF constraints from the base of the reference.
6416         Properly generate UNKNOWN_OFFSET for DEREF if needed.
6417         (struct variable_info): Remove collapsed_to member.
6418         (get_varinfo_fc): Remove.
6419         (new_var_info): Do not set collapsed_to.
6420         (dump_constraint): Do not follow cycles.
6421         (dump_constraint_graph): Likewise.
6422         (build_pred_graph): Likewise.
6423         (build_succ_graph): Likewise.
6424         (rewrite_constraints): Likewise.
6425         (do_simple_structure_copy): Remove.
6426         (do_rhs_deref_structure_copy): Remove.
6427         (do_lhs_deref_structure_copy): Remove.
6428         (collapse_rest_of_var): Remove.
6429         (do_structure_copy): Re-implement.
6430         (pta_stats): New global variable.
6431         (dump_pta_stats): New function.
6432         (struct constraint_expr): Make offset signed.
6433         (UNKNOWN_OFFSET): Define special value.
6434         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
6435         (solution_set_expand): New helper function split out from ...
6436         (do_sd_constraint): ... here.
6437         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
6438         (do_ds_constraint): Likewise.
6439         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
6440         and CALLUSED = *CALLUSED.
6441         (set_union_with_increment): Make inc argument signed.
6442         (type_safe): Remove.
6443         (get_constraint_for_ptr_offset): Handle unknown and negative
6444         constant offsets.
6445         (first_vi_for_offset): Handle offsets before start.  Bail
6446         out early for offsets beyond the variable extent.
6447         (first_or_preceding_vi_for_offset): New function.
6448         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
6449         Together with ESCAPED = *ESCAPED this properly computes reachability.
6450         (find_what_var_points_to): New function.
6451         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
6452         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
6453         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
6454         pt_solutions_intersect): New functions.
6455         (compute_call_used_vars): Remove.
6456         (compute_may_aliases): New main entry into PTA computation.
6457         * gimple.h (gimple_p): New typedef.
6458         (struct gimple_statement_base): Remove references_memory_p.
6459         (struct gimple_statement_with_memory_ops_base): Remove
6460         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
6461         members.
6462         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
6463         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
6464         gimple_set_references_memory): Remove.
6465         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
6466         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
6467         New functions.
6468         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
6469         (verify_expr): Allow RESULT_DECL.
6470         (gimple_duplicate_bb): Do not copy virtual operands.
6471         (gimple_duplicate_sese_region): Adjust.
6472         (gimple_duplicate_sese_tail): Likewise.
6473         (mark_virtual_ops_in_region): Remove.
6474         (move_sese_region_to_fn): Do not call it.
6475         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
6476         and pass_simple_dse.
6477         (execute_function_todo): Handle TODO_update_address_taken,
6478         call execute_update_addresses_taken for TODO_rebuild_alias.
6479         (execute_todo): Adjust.
6480         (execute_one_pass): Init dump files early.
6481         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
6482         call-clobbered.
6483         (create_general_new_stmt): Clear vops.
6484         * tree-ssa-reassoc.c (get_rank): Adjust.
6485         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
6486         symbols for renaming.
6487         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
6488         (PARAM_AVG_ALIASED_VOPS): Likewise.
6489         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
6490         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
6491         * tree-ssa-operands.c: Simplify for new virtual operand representation.
6492         (operand_build_cmp, copy_virtual_operands,
6493         create_ssa_artificial_load_stmt, add_to_addressable_set,
6494         gimple_add_to_addresses_taken): Remove public functions.
6495         (unlink_stmt_vdef): New function.
6496
6497 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6498
6499         * config.gcc (powerpc-*-linux*): Merge variants.
6500
6501 2009-04-02  Chao-ying Fu  <fu@mips.com>
6502             James Grosbach  <james.grosbach@microchip.com>
6503
6504         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
6505         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
6506         cop0_sp_offset.
6507         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
6508         keep_interrupts_masked_p, use_debug_exception_return_p.
6509         (mips_attribute_table): Add interrupt, use_shadow_register_set,
6510         keep_interrupts_masked, use_debug_exception_return.
6511         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
6512         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
6513         New functions.
6514         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
6515         (mips_print_operand): Process COP0 registers to print $0 .. $31
6516         correctly for GAS to process.
6517         (mips_interrupt_extra_call_saved_reg_p): New function.
6518         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
6519         extra registers.
6520         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
6521         (mips_compute_frame_info): Add supports for interrupt context that
6522         includes doubleword accumulators and COP0 registers.
6523         (mips_for_each_saved_acc): New function.
6524         (mips_for_each_saved_gpr_and_fpr): Change the function name from
6525         mips_for_each_saved_reg.
6526         (mips_save_reg): Save accumulators.
6527         (mips_kernel_reg_p): A new for_each_rtx callback.
6528         (mips_expand_prologue): Support interrupt handlers.
6529         (mips_restore_reg): Restore accumulators.
6530         (mips_expand_epilogue): Support interrupt handlers.
6531         (mips_can_use_return_insn): Return false for interrupt handlers.
6532         (mips_epilogue_uses): New function.
6533         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
6534         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
6535         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
6536         cop0_move): New instructions.
6537         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
6538         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
6539         defines.
6540         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
6541         New defines.
6542         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
6543         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
6544         interrupt handlers, we use K0 as the temporary register.
6545         (EPILOGUE_USES): Change to a function call.
6546         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
6547         handlers, we use K0 as the temporary register.
6548
6549         * doc/extend.texi (Function Attributes): Document interrupt,
6550         use_shadow_register_set, keep_interrupts_masked,
6551         use_debug_exception_return for MIPS attributes.
6552
6553 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
6554
6555         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
6556         Remove a number of t-files from tmake_file.
6557         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
6558         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
6559         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
6560         target_prototype, not TARGET_PROTOTYPE.
6561         (LINK_OS_GNU_SPEC): Define.
6562         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
6563         and darwin-ldoubdle.c.
6564
6565 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6566
6567         PR driver/39293
6568         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
6569         (cpp_options): Ditto.
6570         (default_compilers): Ditto.
6571         (display_help): Ditto.
6572         (process_command): Ditto.
6573         (do_spec_1): Ditto.
6574         (set_input): Use lbasename instead of duplicate code.
6575         (save_temps_prefix): New static for -save-temps=obj.
6576         (save_temps_length): Ditto.
6577
6578         * doc/invoke.texi (-save-temps=obj): Document new variant to
6579         -save-temps switch.
6580
6581 2009-04-02  Jeff Law  <law@redhat.com>
6582
6583         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
6584         variable.
6585
6586 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6587
6588         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
6589         * configure: Regenerated.
6590
6591 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6592
6593         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
6594         share the argument list.
6595
6596 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6597
6598         Merge
6599
6600         2009-02-12  Diego Novillo  <dnovillo@google.com>
6601
6602         * varpool.c (debug_varpool): New.
6603         * cgraph.h (debug_varpool): Declare.
6604
6605 2009-04-02  Jan Hubicka  <jh@suse.cz>
6606
6607         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
6608         pass.
6609
6610 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
6611
6612         * config/i386/i386.c (ix86_abi): Move initialization to ...
6613         (override_options): Here.
6614
6615 2009-04-02  Christian Bruel  <christian.bruel@st.com>
6616
6617         * config/sh/sh.c (sh_dwarf_register_span): New function.
6618         (TARGET_DWARF_REGISTER_SPAN): Define.
6619         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
6620
6621 2009-04-02  Ira Rosen  <irar@il.ibm.com>
6622
6623         PR tree-optimization/39595
6624         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
6625         interleaved loads group is not  greater than the SLP group size.
6626
6627 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
6628
6629         * builtins.c (is_builtin_name): New.
6630         (called_as_built_in): Use is_builtin_name.
6631         * tree.h (is_builtin_name): New.
6632         * varasm.c (incorporeal_function_p): Use is_builtin_name
6633
6634 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
6635
6636         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
6637
6638 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
6639
6640         PR c++/26693
6641         * c-decl.c (clone_underlying_type): Move this ...
6642         * c-common.c (set_underlying_type): ... here.
6643         Also, make sure the function properly sets TYPE_STUB_DECL() on
6644         the newly created typedef variant type.
6645         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
6646         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
6647         points.
6648
6649 2009-04-02  Richard Guenther  <rguenther@suse.de>
6650
6651         PR tree-optimization/37221
6652         * tree-flow.h (degenerate_phi_result): Declare.
6653         * tree-ssa-dom.c (degenerate_phi_result): Export.
6654         * tree-scalar-evolution.c (analyze_initial_condition): If
6655         the initial condition is defined by a degenerate PHI node
6656         use the degenerate value.
6657
6658 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
6659
6660         PR rtl-optimization/39588
6661         * combine.c (merge_outer_ops): Do not set the constant when this
6662         is not necessary.
6663         (simplify_shift_const_1): Do not modify it either in this case.
6664
6665 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
6666
6667         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
6668         tuning is deprecated if -mtune value is set to an Itanium1 variant.
6669
6670 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
6671
6672         PR c/29027
6673         * c-lex.c (interpret_float): Default (no suffix) is double.
6674
6675 2009-04-1  Xinliang David Li  <davidxl@google.com>
6676
6677         * config/i386/i386.c (legitimate_constant_p): Recognize
6678         all one vector constant.
6679
6680 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6681
6682         * config/vax/vax.c: Add #includes to silence warnings.
6683         Change #include order to silence two warnings.
6684
6685 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6686
6687         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
6688         (ASM_SPEC): Pass -k to the assembler for PIC code.
6689
6690 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6691
6692         * config.gcc: Add vax-*-linux* to the switch.
6693         * config/vax/linux.h: New file. (TARGET_VERSION,
6694         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
6695
6696 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6697
6698         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
6699         Use predicate macros instead of GET_CODE() == foo.
6700         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
6701         ashlsi3, rotrsi3, <unnamed>): Likewise.
6702
6703 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6704
6705         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
6706         jbbccihi, jbbccisi): Remova trailing whitespace.
6707         * config/vax/constraints.md: Likewise.
6708         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6709         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
6710         * config/vax/predicates.md: Likewise.
6711         * config/vax/vax.c (print_operand_address, vax_output_int_move,
6712         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
6713         * config/vax/vax.h: Likewise.
6714         * config/vax/vax.md (nonlocal_goto): Likewise.
6715
6716 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6717
6718         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
6719         (indirectable_address_p, adjacent_operands_p): Add spaces around
6720         braces.
6721         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
6722
6723 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6724
6725         * config/vax/vax.c (legitimate_constant_address_p,
6726         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
6727         index_term_p, reg_plus_index_p, legitimate_address_p,
6728         vax_mode_dependent_address_p): Update comments to match functions
6729         modified by the recent int->bool conversion.
6730
6731 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6732
6733         * config/vax/builtins.md: Update copyright message.
6734         * config/vax/constraints.md: Likewise.
6735         * config/vax/netbsd-elf.h: Likewise.
6736         * config/vax/predicates.md: Likewise.
6737         * config/vax/vax-protos.h: Likewise.
6738         * config/vax/vax.c: Likewise.
6739         * config/vax/vax.h: Likewise.
6740         * config/vax/vax.md: Likewise.
6741         * config/vax/vax.opt: Likewise.
6742
6743 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
6744
6745         * config/vax/builtins.md (ffssi2, ffssi2_internal,
6746         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
6747         * config/vax/constraints.md (B, R): Likewise.
6748         * config/vax/predicates.md (external_memory_operand,
6749         nonimmediate_addsub_di_operand): Likewise.
6750         * config/vax/vax.c (vax_output_int_add): Likewise.
6751         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
6752         untyped_call): Likewise.
6753
6754 2009-04-01  Matt Thomas  <matt@3am-software.com>
6755
6756         * config/vax/predicates.md: New file.
6757         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
6758         external_const_operand, nonsymbolic_operand, external_memory_operand,
6759         indirect_memory_operand, indexed_memory_operand,
6760         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
6761         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
6762         predicate.
6763         * config/vax/constraints.md: New file.
6764         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
6765         New constraint.
6766         * config/vax/builtins.md: New file.
6767         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
6768         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
6769         jbbccisi): Define.
6770         * config/vax/vax.opt (mqmath): Add option.
6771         * config/vax/vax.md (isfx): Extend with DI.
6772         (VAXintQH, VAXintQHSD): Define.
6773         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
6774         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
6775         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
6776         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
6777         (movdi): Update constraints and use vax_output_int_move().
6778         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
6779         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
6780         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
6781         nonlocal_goto): New.
6782         (mov<mode>): Extend accepted operand types.
6783         (subdi3_old): Rename from subdi3, change update constraints and use
6784         a new implementation.
6785         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
6786         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
6787         MOVE_RATIO, CLEAR_RATIO): Define.
6788         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
6789         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6790         (PRINT_OPERAND): Redefine using a function instead of inlined code.
6791         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
6792         (split_quadword_operands): Make static and really allow variable
6793         splitting.
6794         (print_operand_address): Update for PIC generation.
6795         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
6796         indexable_address_p, fixup_mathdi_operand,
6797         vax_expand_addsub_di_operands, adjacent_operands_p): New.
6798         (vax_float_literal, legitimate_constant_p,
6799         indirectable_constant_address_p, index_term_p,
6800         reg_plus_index_p): Return bool instead of int.
6801         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
6802         where needed.
6803         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
6804         generation.
6805         (vax_output_conditional_branch): Indent.
6806         (legitimate_constant_address_p, indirectable_constant_address_p,
6807         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
6808         vax_mode_dependent_address_p): Return bool instead of int, update for
6809         PIC generation.
6810         * config/vax/vax-protos.h (legitimate_constant_address_p,
6811         legitimate_constant_p, legitimate_address_p,
6812         vax_mode_dependent_address_p): Change declaration to bool.
6813         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
6814         vax_expand_addsub_di_operands, vax_output_int_subtract,
6815         vax_output_movmemsi): Declare.
6816         (split_quadword_operands, vax_float_literal): Delete declaration.
6817         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
6818         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
6819         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
6820         ASM_OUTPUT_DWARF_PCREL): Define.
6821         (ASM_SPEC): Change definition to allow PIC generation.
6822
6823 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
6824
6825         * doc/sourcebuild.texi: Update front-end requirements.
6826
6827 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6828
6829         PR target/39226
6830         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
6831         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
6832         (booldi3_internal3): Use boolean_or_operator instead of
6833         boolean_operator.
6834
6835 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
6836
6837         PR c/39605
6838         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
6839         declarator whose size is not an integer constant expression but
6840         folds to an integer constant, then treat it as a constant
6841         subsequently.
6842
6843 2009-04-01  Richard Guenther  <rguenther@suse.de>
6844
6845         * fold-const.c (fold_plusminus_mult_expr): Do not fold
6846         i * 4 + 2 to (i * 2 + 1) * 2.
6847
6848 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6849
6850         PR c/37772
6851         * c-parser.c (c_parser_asm_statement): Skip until close paren and
6852         return if c_parser_asm_string_literal returned NULL.
6853
6854 2009-04-01  Nick Clifton  <nickc@redhat.com>
6855
6856         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
6857         already defined.
6858         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
6859         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
6860         other typedefs to avoid conflicts with libgcc2.c.  Define labels
6861         to gain 16-bit bit-manipulation functions from libgcc2.c and then
6862         include it.
6863         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
6864         to gain 16-bit trapping arithmetic functions from libgcc2.c and
6865         then include it.
6866
6867 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
6868
6869         * varasm.c (default_function_rodata_section): Declare DOT as
6870         const char*.
6871
6872 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
6873             Andrey Galkin  <agalkin@hypercom.com>
6874
6875         PR/39492
6876         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
6877         Make object_name unique for each process.
6878
6879 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
6880
6881         PR other/39591
6882         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
6883         addressable variables in the parallel that could go out of scope while
6884         running queued tasks.
6885
6886 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
6887
6888         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
6889         (CASE_VALUES_THRESHOLD): Redefine.
6890         * config/avr/avr.c (avr_override_options): Remove initialization of
6891         avr_case_values_threshold variable.
6892         (avr_case_values_threshold): Remove variable. Add new function.
6893         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
6894         * config/avr/avr.opt (mno-tablejump): Remove option.
6895         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
6896
6897 2009-04-01  DJ Delorie  <dj@redhat.com>
6898
6899         * varasm.c (default_function_rodata_section): Don't assume
6900         anything about where the first '.' in the section name is.
6901
6902 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
6903
6904         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
6905         rs6000_emit_stack_tie.
6906
6907 2009-03-31  Ian Lance Taylor  <iant@google.com>
6908
6909         * tree-eh.c (tree_remove_unreachable_handlers): Compare
6910         gimple_code with GIMPLE_RESX, not RESX.
6911
6912 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6913
6914         * c-common.c (c_get_ident): New.
6915         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
6916
6917 2009-04-01  Ben Elliston  <bje@au.ibm.com>
6918
6919         * config/rs6000/sysv4.opt (msdata): Improve option description.
6920
6921 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
6922
6923         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
6924         (divdf3_internal_lat): Remove.
6925         (divxf3_internal_lat): Remove.
6926         (divxf3_internal_thr): Remove.
6927         (divxf): Use divxf3_internal.
6928         * config/ia64/div.md (divsf3_internal_lat): New.
6929         (divdf3_internal_lat): New.
6930         (divxf3_internal): New.
6931
6932 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6933
6934         PR c/448
6935         * Makefile.in (USE_GCC_STDINT): Define.
6936         (stmp-int-hdrs): Install stdint.h if applicable.
6937         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
6938         if known.
6939         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
6940         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
6941         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
6942         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6943         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6944         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6945         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6946         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6947         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6948         (c_common_nodes_and_builtins): Initialize
6949         underlying_wchar_type_node.  Do not initialize
6950         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
6951         nodes for new types.
6952         (c_stddef_cpp_builtins): Define macros for new types.
6953         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
6954         Remove.
6955         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
6956         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
6957         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
6958         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
6959         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
6960         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
6961         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
6962         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
6963         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
6964         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
6965         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
6966         int16_type_node, int32_type_node, int64_type_node,
6967         uint8_type_node, uint16_type_node, c_uint32_type_node,
6968         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
6969         int_least32_type_node, int_least64_type_node,
6970         uint_least8_type_node, uint_least16_type_node,
6971         uint_least32_type_node, uint_least64_type_node,
6972         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
6973         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
6974         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
6975         uintptr_type_node): Define.
6976         * c-cppbuiltin.c (builtin_define_constants,
6977         builtin_define_type_minmax): New.
6978         (builtin_define_stdint_macros): Define more macros.
6979         (c_cpp_builtins): Define more limit macros.
6980         (type_suffix): New.
6981         (builtin_define_type_max): Define in terms of
6982         builtin_define_type_minmax.  Remove is_long parameter.  All
6983         callers changed.
6984         * config.gcc (use_gcc_stdint): Define.
6985         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
6986         Add newlib-stdint.h for generic targets.
6987         * config/glibc-stdint.h, config/newlib-stdint.h,
6988         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
6989         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
6990         * config/score/score.h (UINTPTR_TYPE): Define.
6991         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
6992         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
6993         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6994         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
6995         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
6996         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
6997         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6998         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
6999         * config/spu/spu.h (STDINT_LONG32): Define.
7000         * configure.ac (use_gcc_stdint): Substitute.
7001         * configure: Regenerate.
7002         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7003         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7004         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7005         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7006         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7007         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7008         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7009         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7010         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7011         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7012         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7013         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7014         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7015         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7016         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7017         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7018         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7019         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7020         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7021         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7022         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7023         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7024         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7025         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7026         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7027         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7028         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7029         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7030         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7031
7032 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7033
7034         * loop-iv.c (suitable_set_for_replacement): Renamed from
7035         simplify_using_assignment; changed to return bool and to accept new
7036         args DEST and SRC.  Return true iff we find a source/destination pair
7037         that can be used to make a replacement, and fill SRC and DEST if so.
7038         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7039         changed.
7040         (simplify_using_initial_values): Deal with altered regs here and track
7041         more precisely the effect they have on the validity of our expression.
7042
7043         * loop-iv.c (simplify_using_condition): A condition of the form
7044         (EQ REG CONST) can be used to simply make a substitution.
7045         (simplify_using_initial_values): Keep track of conditions we have seen
7046         and keep using them to simplify new expressions, while applying the
7047         same substitutions to them as to the expression.
7048
7049         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7050         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7051         GEU/LTU reversed.
7052
7053         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7054         changed.  Use this when trying to improve the upper bound.
7055         Generate the comparison by using simplify_gen_relational.
7056
7057         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7058
7059         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7060         functions.
7061         (simplify_using_assignment, simplify_using_initial_values): Call
7062         replace_in_expr to make replacements.  Call replace_single_def_regs
7063         once on the initial version of the expression.
7064
7065 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7066
7067         PR target/27237
7068         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7069
7070 2009-03-31  Richard Guenther  <rguenther@suse.de>
7071
7072         PR middle-end/31029
7073         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7074         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7075
7076 2009-03-31  Richard Guenther  <rguenther@suse.de>
7077
7078         * tree.h (div_if_zero_remainder): Declare.
7079         * fold-const.c (div_if_zero_remainder): Export.
7080         * tree-ssa-forwprop.c
7081         (forward_propagate_addr_into_variable_array_index): Handle
7082         constant array index addition outside of the variable index.
7083
7084 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7085
7086         PR target/39592
7087         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7088         define_splits, floatunssi<mode>2): Require x87 conversions from
7089         DImode to be permitted.
7090
7091 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7092
7093         PR preprocessor/15638
7094         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7095
7096 2009-03-31  Richard Guenther  <rguenther@suse.de>
7097
7098         PR middle-end/23401
7099         PR middle-end/27810
7100         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7101         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7102         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7103         a separate statement.
7104         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7105         (lookup_tmp_var): Likewise.
7106         (is_gimple_formal_tmp_or_call_rhs): Remove.
7107         (is_gimple_reg_or_call_rhs): Rename to ...
7108         (is_gimple_reg_rhs_or_call): ... this.
7109         (is_gimple_mem_or_call_rhs): Rename to ...
7110         (is_gimple_mem_rhs_or_call): ... this.
7111         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7112         DECL_GIMPLE_REG_P only if is_formal is true.
7113         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7114         for non-proper post-modify expression gimplification.
7115         (gimplify_self_mod_expr): For post-modify expressions gimplify
7116         the lvalue to a minimal lvalue.
7117         (rhs_predicate_for): Remove formal temp case.
7118         (gimplify_modify_expr_rhs): Likewise.
7119         (gimplify_addr_expr): Use is_gimple_reg.
7120         (gimplify_expr): Remove formal temp cases.
7121         (gimple_regimplify_operands): Likewise.
7122         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7123         and FILTER_EXPR like constants.
7124         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7125         is_gimple_reg.
7126         (is_gimple_formal_tmp_rhs): Remove.
7127         (is_gimple_reg_rhs): Remove special casing.
7128         (is_gimple_mem_rhs): Fix.
7129         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7130         (is_gimple_formal_tmp_var): Remove.
7131         (is_gimple_formal_tmp_reg): Likewise.
7132         (is_gimple_min_lval): Allow invariant component ref parts.
7133         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7134         is_gimple_formal_tmp_reg): Remove declarations.
7135         * tree-cfg.c (verify_expr): Verify that variables with address
7136         taken do not have DECL_GIMPLE_REG_P set.
7137         * tree-mudflap.c (mf_build_check_statement_for): Use
7138         force_gimple_operand instead of gimplify_expr.
7139
7140 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7141
7142         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7143         schedulable rows to compute_split_row.
7144
7145 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7146
7147         PR target/31635
7148         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7149         OPT_mvrsave.
7150
7151 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7152
7153         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7154         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7155         * configure: Regenerate.
7156         * config.in: Regenerate.
7157         * config/rs6000/rs6000.opt (mtls-markers): Add.
7158         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7159         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7160         (tls_ld_aix, tls_ld_sysv): Likewise.
7161         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7162         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7163
7164 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7165
7166         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7167
7168 2009-03-30  Jan Hubicka  <jh@suse.cz>
7169
7170         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7171         out of RESX.
7172         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7173         detection and label handling.
7174
7175 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7176
7177         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7178         left_conflicts_size.
7179         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7180         ALLOCNO_LEFT_CONFLICTS_SIZE.
7181
7182         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7183         remove_allocno_from_bucket_and_push,
7184         allocno_spill_priority_compare, push_allocnos_to_stack,
7185         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7186         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7187         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7188         setup_allocno_left_conflicts_size.
7189         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7190         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7191         setup_allocno_left_conflicts_size instead of
7192         setup_allocno_left_conflicts_num.
7193
7194         * ira-build.c (ira_create_allocno): Use
7195         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7196         ALLOCNO_LEFT_CONFLICTS_NUM.
7197
7198 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7199
7200         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7201         instead of DF_LR_OUT.
7202
7203         * ira-lives.c (process_bb_node_lives): Ditto.
7204
7205         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7206         instead of DF_LR_{OUT,IN}.
7207
7208         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7209
7210         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7211
7212 2009-03-30  Jan Hubicka  <jh@suse.cz>
7213
7214         * except.c (label_to_region_map): Fix thinko.
7215
7216 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7217
7218         PR middle-end/38237
7219         * tree.h (tree_find_value): New declaration.
7220         * tree.c (tree_find_value): New function.
7221         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7222
7223 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7224
7225         PR debug/39563
7226         * c-decl.c (struct c_binding): Add locus field.
7227         (bind): Add locus argument, set locus field from it.
7228         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7229         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7230         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7231         implicitly_declare, undeclared_variable, lookup_label,
7232         declare_label, c_make_fname_decl, c_builtin_function,
7233         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7234         bind callers.
7235
7236 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7237
7238         PR target/38781
7239         * config/i386/i386.c (classify_argument): Check total size of
7240         structure.
7241
7242 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7243
7244         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7245         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7246         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7247         respectively.
7248
7249         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7250         seen_variable_array_ref while also traversing a union.
7251
7252         * tree-inline.c (optimize_inline_calls): Do not call
7253         cgraph_node_remove_callees.
7254         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7255         (pass_remove_cgraph_callee_edges): New variable.
7256         * passes.c (init_optimization_passes): Add
7257         pass_remove_cgraph_callee_edges after early inlining and before all
7258         late intraprocedural passes.
7259
7260         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7261
7262 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7263
7264         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7265         Fix typos in names.
7266
7267 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7268
7269         * combine.c (simplify_comparison): Use have_insn_for.
7270         * dojump.c (do_jump): Likewise.
7271
7272 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7273
7274         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7275         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7276         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7277         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7278         instead of sparc_compare_emitted.
7279         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7280         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7281         instead of sparc_compare_emitted.
7282
7283 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7284
7285         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7286         enter/exit cfglayout mode.
7287         (pass_partition_block): Require it.
7288         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7289         (combine_instructions): Track basic blocks instead of labels.
7290         (update_cfg_for_uncondjump): New.
7291         (try_combine): Use it.  Update jumps after rescanning.
7292         (pass_combine): Require PROP_cfglayout.
7293         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7294
7295 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7296
7297         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7298         Provide/destroy PROP_cfglayout respectively.
7299         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7300         * tree-pass.h (PROP_cfglayout): New.
7301
7302 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7303
7304         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7305         fold_convert_const_fixed_from_fixed,
7306         fold_convert_const_fixed_from_int,
7307         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7308         set TREE_CONSTANT_OVERFLOW.
7309         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7310         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7311
7312 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7313
7314         * tree-vect-loop-manip.c: New file.
7315         * tree-vectorizer.c: Update documentation and included files.
7316         (vect_loop_location): Make extern.
7317         (rename_use_op): Move to tree-vect-loop-manip.c
7318         (rename_variables_in_bb, rename_variables_in_loop,
7319         slpeel_update_phis_for_duplicate_loop,
7320         slpeel_update_phi_nodes_for_guard1,
7321         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7322         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7323         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7324         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7325         find_loop_location): Likewise.
7326         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7327         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7328         get_vectype_for_scalar_type, vect_is_simple_use,
7329         supportable_widening_operation, supportable_narrowing_operation):
7330         Likewise.
7331         (bb_in_loop_p): Move to tree-vect-loop.c.
7332         (new_loop_vec_info, destroy_loop_vec_info,
7333         reduction_code_for_scalar_code, report_vect_op,
7334         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7335         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7336         (vect_supportable_dr_alignment): Likewise.
7337         * tree-vectorizer.h (tree-data-ref.h): Include.
7338         (vect_loop_location): Declare.
7339         Reorganize function declarations according to the new file structure.
7340         * tree-vect-loop.c: New file.
7341         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7342         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7343         * tree-vect-data-refs.c: New file.
7344         * tree-vect-patterns.c (timevar.h): Don't include.
7345         * tree-vect-stmts.c: New file.
7346         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7347         tree-vect-slp.c, tree-vect-loop.c.
7348         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7349         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7350         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7351         (tree-vect-analyze.o): Remove.
7352         (tree-vect-transform.o): Likewise.
7353         (tree-vect-data-refs.o): Add rule.
7354         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7355         tree-vect-slp.o): Likewise.
7356         (tree-vect-patterns.o): Remove redundant dependencies.
7357         (tree-vectorizer.o): Likewise.
7358         * tree-vect-slp.c: New file.
7359
7360 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7361
7362         * optc-gen.awk: Warn if an option flag has multiple different
7363         help strings.
7364
7365 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7366
7367         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7368         -floop-block): Document dependences on PPL, CLooG and Graphite.
7369
7370 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7371
7372         PR rtl-optimization/323
7373         * c-common.c (c_fully_fold, convert_and_check,
7374         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7375         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7376         * c-common.def (EXCESS_PRECISION_EXPR): New.
7377         * c-cppbuiltin.c (builtin_define_float_constants): Define
7378         constants with enough digits for long double.
7379         * c-lex.c (interpret_float): Interpret constant with excess
7380         precision where appropriate.
7381         * c-opts.c (c_common_post_options): Set
7382         flag_excess_precision_cmdline.  Give an error for
7383         -fexcess-precision=standard for C++ for processors where the
7384         option is significant.
7385         * c-parser.c (c_parser_conditional_expression): Handle excess
7386         precision in condition.
7387         * c-typeck.c (convert_arguments): Handle arguments with excess
7388         precision.
7389         (build_unary_op): Move excess precision outside operation.
7390         (build_conditional_expr): Likewise.
7391         (build_compound_expr): Likewise.
7392         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7393         (build_modify_expr): Handle excess precision in RHS.
7394         (convert_for_assignment): Handle excess precision in converted
7395         value.
7396         (digest_init, output_init_element, process_init_element): Handle
7397         excess precision in initializer.
7398         (c_finish_return): Handle excess precision in return value.
7399         (build_binary_op): Handle excess precision in operands and add
7400         excess precision as needed for operation.
7401         * common.opt (-fexcess-precision=): New option.
7402         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
7403         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
7404         For standard excess precision, output explicit conversion to and
7405         truncation from XFmode.
7406         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
7407         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
7408         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
7409         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
7410         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
7411         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
7412         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
7413         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
7414         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
7415         define_splits, sqrt<mode>2): Disable where appropriate for
7416         standard excess precision.
7417         * convert.c (convert_to_real): Do not shorten arithmetic to type
7418         for which excess precision would be used.
7419         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
7420         * doc/invoke.texi (-fexcess-precision=): Document option.
7421         (-mfpmath=): Correct index entry.
7422         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
7423         flag_excess_precision): New.
7424         * langhooks.c (lhd_post_options): Set
7425         flag_excess_precision_cmdline.
7426         * opts.c (common_handle_option): Handle -fexcess-precision=.
7427         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
7428         init_excess_precision): New.
7429         (lang_dependent_init_target): Call init_excess_precision.
7430         * tree.c (excess_precision_type): New.
7431         * tree.h (excess_precision_type): Declare.
7432
7433 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7434
7435         PR c/35235
7436         * c-typeck.c (build_component_ref): Do not copy qualifiers from
7437         non-lvalue to component.
7438
7439 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7440
7441         PR preprocessor/34695
7442         * Makefile.in (c-opts.o): Depend on c-tree.h.
7443         * c-common.c: Move down include of diagnostic.h.
7444         (done_lexing, c_cpp_error): New.
7445         * c-common.h (done_lexing): Declare.
7446         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
7447         (parse_in).
7448         * c-opts.c: Include c-tree.h.
7449         (c_common_init_options): Set preprocessor error callback.
7450         (c_common_handle_option): Do not set preprocessor
7451         inhibit_warnings, warnings_are_errors, warn_system_headers,
7452         pedantic_errors or inhibit_warnings flags.
7453         (c_common_post_options): Do not check cpp_errors (parse_in).
7454         (c_common_finish): Do not output dependencies if there were
7455         errors.  Do not check return value of cpp_finish.
7456         * c-ppoutput.c (pp_file_change): Set input_location.
7457         * c-tree.h (c_cpp_error): Declare.
7458         * diagnostic.c (diagnostic_set_info_translated): Also initialize
7459         override_column.
7460         (diagnostic_build_prefix): Check override_column.
7461         * diagnostic.h (diagnostic_info): Add override_column field.
7462         (diagnostic_override_column): Define.
7463
7464 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
7465
7466         * c-common.c (c_expand_expr, c_staticp): Remove.
7467         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
7468         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
7469         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
7470         * c-gimplify.c (gimplify_compound_literal_expr,
7471         optimize_compound_literals_in_ctor): Remove.
7472         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
7473         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
7474         * c-semantics.c (emit_local_var): Remove.
7475
7476         * langhooks-def.h (lhd_expand_expr): Remove.
7477         * langhooks.c (lhd_expand_expr): Remove.
7478         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
7479
7480         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
7481         handling from c-semantics.c; don't call into langhook.
7482         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
7483         * gimplify.c (gimplify_compound_literal_expr,
7484         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
7485         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
7486         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
7487         as was done in c-gimplify.c.
7488         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
7489         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
7490         Move from c-common.h.
7491         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
7492
7493         * tree.c (staticp): Do not call langhook.
7494         * langhooks.c (lhd_staticp): Delete.
7495         * langhooks-def.h (lhd_staticp): Delete prototype.
7496         (LANG_HOOKS_STATICP): Delete.
7497         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
7498
7499         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
7500         instead of DECL_STMTs.
7501
7502 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
7503
7504         PR c/456
7505         PR c/5675
7506         PR c/19976
7507         PR c/29116
7508         PR c/31871
7509         PR c/35198
7510         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
7511         void_type_node.
7512         (fold_call_expr): Return a NOP_EXPR from folding rather than the
7513         contained expression.
7514         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
7515         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
7516         conditional expressions for C.
7517         (decl_constant_value_for_optimization): Move from
7518         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
7519         whether optimizing and that the expression is a VAR_DECL not of
7520         array type instead of doing such checks in the caller.  Do not
7521         check pedantic.  Call gcc_unreachable for C++.
7522         * c-common.def (C_MAYBE_CONST_EXPR): New.
7523         * c-common.h (c_fully_fold, c_save_expr,
7524         decl_constant_value_for_optimization): New prototypes.
7525         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
7526         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
7527         EXPR_INT_CONST_OPERANDS): Define.
7528         * c-convert.c (convert): Strip nops from expression.
7529         * c-decl.c (groktypename): Take extra parameters expr and
7530         expr_const_operands.  Update call to grokdeclarator.
7531         (start_decl): Update call to grokdeclarator.  Add statement for
7532         expressions used in type of decl.
7533         (grokparm): Update call to grokdeclarator.
7534         (push_parm_decl): Update call to grokdeclarator.
7535         (build_compound_literal): Add parameter non_const and build a
7536         C_MAYBE_COSNT_EXPR if applicable.
7537         (grokdeclarator): Take extra parameters expr and
7538         expr_const_operands.  Track expressions used in declaration
7539         specifiers and declarators.  Fold array sizes and track whether
7540         they are constant expressions and whether they are integer
7541         constant expressions.
7542         (parser_xref_tag): Set expr and expr_const_operands fields in
7543         return value.
7544         (grokfield): Update call to grokdeclarator.
7545         (start_function): Update call to grokdeclarator.
7546         (build_null_declspecs): Set expr and expr_const_operands fields in
7547         return value.
7548         (declspecs_add_type): Handle expressions in typeof specifiers.
7549         * c-parser.c (c_parser_declspecs): Set expr and
7550         expr_const_operands fields for declaration specifiers.
7551         (c_parser_enum_specifier): Likewise.
7552         (c_parser_struct_or_union_specifier): Likewise.
7553         (c_parser_typeof_specifier): Likewise.  Update call to
7554         groktypename.  Fold expression as needed.  Return expressions with
7555         type instead of adding statements.
7556         (c_parser_attributes): Update calls to c_parser_expr_list.
7557         (c_parser_statement_after_labels): Fold expression before passing
7558         to objc_build_throw_stmt.
7559         (c_parser_condition): Fold expression.
7560         (c_parser_asm_operands): Fold expression.
7561         (c_parser_conditional_expression): Use c_save_expr.  Update call
7562         to build_conditional_expr.
7563         (c_parser_alignof_expression): Update call to groktypename.
7564         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
7565         original_code.  Fold expression argument of va_arg.  Create
7566         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
7567         argument to va_arg.  Update calls to groktypename.  Fold array
7568         index for offsetof.  Verify that first argument to
7569         __builtin_choose_expr has integer type.
7570         (c_parser_postfix_expression_after_paren_type): Update calls to
7571         groktypename and build_compound_literal.  Handle expressions with
7572         side effects in type name.
7573         (c_parser_postfix_expression_after_primary): Update call to
7574         c_parser_expr_list.  Set original_code for calls to
7575         __builtin_constant_p.
7576         (c_parser_expr_list): Take extra parameter fold_p.  Fold
7577         expressions if requested.
7578         (c_parser_objc_type_name): Update call to groktypename.
7579         (c_parser_objc_synchronized_statement): Fold expression.
7580         (c_parser_objc_receiver): Fold expression.
7581         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
7582         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
7583         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
7584         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
7585         (struct c_typespec): Add elements expr and expr_const_operands.
7586         (struct c_declspecs): Add elements expr and expr_const_operands.
7587         (groktypename, build_conditional_expr, build_compound_literal):
7588         Update prototypes.
7589         (in_late_binary_op): Declare.
7590         * c-typeck.c (note_integer_operands): New function.
7591         (in_late_binary_op): New variable.
7592         (decl_constant_value_for_broken_optimization): Move to c-common.c
7593         and rename to decl_constant_value_for_optimization.
7594         (default_function_array_conversion): Do not strip nops.
7595         (default_conversion): Do not call
7596         decl_constant_value_for_broken_optimization.
7597         (build_array_ref): Do not fold result.
7598         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
7599         result when operand is a VLA.
7600         (c_expr_sizeof_type): Update call to groktypename.  Handle
7601         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
7602         result when operand names a VLA type.
7603         (build_function_call): Update call to build_compound_literal.
7604         Only fold result for calls to __builtin_* functions.  Strip
7605         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
7606         the function designator.
7607         (convert_arguments): Fold arguments.  Update call to
7608         convert_for_assignment.
7609         (build_unary_op): Handle increment and decrement of
7610         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
7611         decrement earlier.  Fold operand of increment and decrement.
7612         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
7613         built for integer operand.  Wrap returns that are INTEGER_CSTs
7614         without being integer constant expressions or that have integer
7615         constant operands without being INTEGER_CSTs.
7616         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
7617         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
7618         result is an integer constant expression or can be used in
7619         unevaluated parts of one and avoid folding and wrap as
7620         appropriate.  Fold operands before possibly doing -Wsign-compare
7621         warnings.
7622         (build_compound_expr): Wrap result for C99 if operands can be used
7623         in integer constant expressions.
7624         (build_c_cast): Update call to digest_init.  Do not ignore
7625         overflow from casting floating-point constants to integers.  Wrap
7626         results that could be confused with integer constant expressions,
7627         null pointer constants or floating-point constants.
7628         (c_cast_expr): Update call to groktypename.  Handle expressions
7629         included in type name.
7630         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
7631         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
7632         Update calls to convert_for_assignment.
7633         (convert_for_assignment): Take new parameter
7634         null_pointer_constant.  Do not strip nops or call
7635         decl_constant_value_for_broken_optimization.  Set
7636         in_late_binary_op for conversions to boolean.
7637         (store_init_value): Update call to digest_init.
7638         (digest_init): Take new parameter null_pointer_constant.  Do not
7639         call decl_constant_value_for_broken_optimization.  pedwarn for
7640         initializers not constant expressions.  Update calls to
7641         convert_for_assignment.
7642         (constructor_nonconst): New.
7643         (struct constructor_stack): Add nonconst element.
7644         (really_start_incremental_init, push_init_level, pop_init_level):
7645         Handle constructor_nonconst and nonconst element.
7646         (set_init_index): Call constant_expression_warning for array
7647         designators.
7648         (output_init_element): Fold value.  Set constructor_nonconst as
7649         applicable.  pedwarn for initializers not constant expressions.
7650         Update call to digest_init.  Call constant_expression_warning
7651         where constant initializers are required.
7652         (process_init_element): Use c_save_expr.
7653         (c_finish_goto_ptr): Fold expression.
7654         (c_finish_return): Fold return value.  Update call to
7655         convert_for_assignment.
7656         (c_start_case): Fold switch expression.
7657         (c_process_expr_stmt): Fold expression.
7658         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
7659         ensure statement expression is not evaluated in constant expression.
7660         (build_binary_op): Track whether results are integer constant
7661         expressions or may occur in such, disable folding and wrap results
7662         as applicable.  Fold operands for -Wsign-compare warnings unless
7663         in_late_binary_op.
7664         (c_objc_common_truthvalue_conversion): Handle results folded to
7665         integer constants that are not integer constant expressions.
7666         * doc/extend.texi: Document when typeof operands are evaluated,
7667         that condition of __builtin_choose_expr is an integer constant
7668         expression, and more about use of __builtin_constant_p in
7669         initializers.
7670
7671 2009-03-29  Richard Guenther  <rguenther@suse.de>
7672
7673         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
7674         propagate addresses of array references.
7675
7676 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
7677
7678         * regmove.c (perhaps_ends_bb_p): Remove.
7679         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
7680         from INSN and check that the main loop stays within that basic block.
7681         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
7682         (regmove_forward_pass): Split out from regmove_optimize.  Use
7683         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
7684         (regmove_backward_pass): Split out from regmove_optimize.  Use
7685         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
7686         (regmove_optimize): Simplify.
7687
7688 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7689
7690         PR target/39545
7691         * config/i386/i386.c (classify_argument): Ignore flexible array
7692         member in struct and warn ABI change.
7693
7694 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
7695
7696         * config/i386/i386-protos.h (ix86_agi_dependent): New.
7697
7698         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
7699         (ix86_adjust_cost): Updated.
7700
7701 2009-03-29  Jan Hubicka  <jh@suse.cz>
7702
7703         PR middle-end/28850
7704         * tree-pass.h (pass_cleanup_eh): New function.
7705         (remove_unreachable_regions): Break code handling RTL
7706         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
7707         that can not be reached by runtime.
7708         (can_be_reached_by_runtime): New function.
7709         (label_to_region_map): New function.
7710         (num_eh_regions): New function.
7711         (rtl_remove_unreachable_regions): New function.
7712         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
7713         (remove_eh_region): New function.
7714         * except.h: Include sbitmap and vecprim.
7715         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
7716         num_eh_regions): Declare.
7717         * passes.c (init_optimization_passes): Schedule cleanup_eh.
7718         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
7719         * tree-eh.c (tree_remove_unreachable_handlers): New function.
7720         (tree_empty_eh_handler_p): New function.
7721         (cleanup_empty_eh): New function.
7722         (cleanup_eh): New function.
7723         (pass_cleanup_eh): New function.
7724
7725 2009-03-29  Jan Hubicka  <jh@suse.cz>
7726
7727         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
7728         for removed regions.
7729
7730 2009-03-29  Jan Hubicka  <jh@suse.cz>
7731
7732         * except.c (dump_eh_tree): Dump all datastructures.
7733
7734 2009-03-29  Jan Hubicka  <jh@suse.cz>
7735
7736         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
7737         (duplicate_eh_regions_1): Likewise.
7738         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
7739         vector; call EH verification.
7740         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
7741         Be ready for region being removed.
7742
7743 2009-03-29  Jan Hubicka  <jh@suse.cz>
7744
7745         * bitmap.c (bitmap_last_set_bit): New function.
7746         * bitmap.h (bitmap_last_set_bit): Declare.
7747
7748 2009-03-29  David Ayers  <ayers@fsfe.org>
7749
7750         PR objc/27377
7751         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
7752         by calling objc_compare_types and surpress warnings about
7753         incompatible C pointers that are compatible ObjC pointers.
7754
7755 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
7756
7757         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
7758         call initialize_inline_failed.
7759         (initialize_inline_failed): Move it from here ...
7760         * cgraph.c (initialize_inline_failed): ... to here.
7761         (cgraph_create_edge): Call initialize_inline_failed rather than
7762         setting inline_failed directly.
7763
7764 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7765
7766         PR target/32542
7767         * sysv4.opt (msdata): Improve comment.
7768         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
7769         * sysv4.h (SVR4_ASM_SPEC): Likewise.
7770
7771 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7772
7773         PR target/30451
7774         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
7775         load and store attributes.
7776
7777 2009-03-29  Ben Elliston  <bje@au.ibm.com>
7778
7779         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
7780         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
7781         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
7782         * doc/extend.texi (X86 Built-in Functions): Add index entries for
7783         __builtin_infq and __builtin_huge_valq.
7784
7785 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
7786
7787         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
7788         atmega8m1 devices.
7789         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7790         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
7791
7792 2009-03-28  Xinliang David Li  <davidxl@google.com>
7793
7794         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
7795         (do_dbg_cnt): New function.
7796
7797 2009-03-28  Jan Hubicka  <jh@suse.cz>
7798
7799         Merge from pretty-ipa:
7800
7801         2009-03-27  Jan Hubicka  <jh@suse.cz>
7802
7803         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7804         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
7805         * passes.c (function_called_by_processed_nodes_p): New.
7806         * ipa-pure-const.c (check_call): Fix handling of operands.
7807         (analyze_function): Dump debug output for skipped bodies.
7808         (local_pure_const): Use function_called_by_processed_nodes_p.
7809         * dwarf2out.c (reference_to_unused): Use output.
7810         * passes.c (do_per_function_toporder): Likewise.
7811
7812         2008-11-12  Jan Hubicka  <jh@suse.cz>
7813
7814         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
7815         * ipa-pure-const.c (funct_state_d): Add can throw field; make
7816         state_set_in_source enum
7817         (check_decl): Ignore memory tags; do not set fake looping flags;
7818         dump diagnostics.
7819         (check_operand, check_tree, check_rhs_var, check_lhs_var,
7820         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
7821         (check_call, analyze_function): Rewrite.
7822         (check_stmt): New.
7823         (add_new_function): Update call of analyze_function.
7824         (generate_summary): Add call of analyze_function.
7825         (propagate): Propagate can_throw; handle state_set_in_source correctly.
7826         (local_pure_const): New function.
7827         (pass_local_pure_const): New pass.
7828         * ipa-inline.c (inline_transform): Set after_inlining.
7829         * tree-eh.c (stmt_can_throw_external): New.
7830         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
7831         work with aliasing built.
7832         * tree-flow.h (stmt_can_throw_external): New.
7833         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
7834         and local pure/const pass in early and late optimization queue.
7835
7836 2009-03-28  Martin Jambor  <mjambor@suse.cz>
7837
7838         * fold-const.c (get_pointer_modulus_and_residue): New parameter
7839         allow_func_align.
7840         (fold_binary): Allow function decl aligment consideration is the
7841         second argument is integer constant one.
7842         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
7843         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
7844         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
7845
7846 2009-03-28  Jan Hubicka  <jh@suse.cz>
7847
7848         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
7849         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
7850         * function.h (rtl_data): Add nothrow flag.
7851         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
7852         set DECL_NOTHROW for AVAILABLE functions.
7853
7854 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
7855
7856         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
7857         following vector keyword has expansion starting with pixel or bool
7858         keyword, expand vector to __vector and pixel or bool to __pixel or
7859         __bool.
7860
7861         PR c++/39554
7862         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
7863         warn_if_disallowed_function_p): Removed.
7864         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7865         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
7866         warning_if_disallowed_function_p.
7867         * flags.h (warn_if_disallowed_function_p,
7868         warn_disallowed_functions): Removed.
7869         * common.opt (Wdisallowed-function-list=): Removed.
7870         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
7871
7872 2009-03-28  Richard Guenther  <rguenther@suse.de>
7873
7874         PR tree-optimization/38723
7875         * tree-ssa-pre.c (compute_avail): Add all default definitions to
7876         the entry block.
7877
7878 2009-03-28  Jan Hubicka  <jh@suse.cz>
7879
7880         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
7881         test introduced by my previous patch.
7882
7883 2009-03-28  Richard Guenther  <rguenther@suse.de>
7884
7885         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
7886         the PHIs value undefined.
7887
7888 2009-03-28  Jan Hubicka  <jh@suse.cz>
7889
7890         * tree-pass.h (pass_fixup_cfg): New pass.
7891         * ipa-inline.c (inline_transform): Set
7892         always_inline_functions_inlined/after_inlining.
7893         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
7894         (pass_fixup_cfg): New pass.
7895         * passes.c (init_optimization_passes): Add fixup_cfg.
7896
7897 2009-03-28  Richard Guenther  <rguenther@suse.de>
7898
7899         PR tree-optimization/38458
7900         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
7901         argument use the arguments copy-of value.
7902
7903 2009-03-28  Richard Guenther  <rguenther@suse.de>
7904
7905         PR tree-optimization/38180
7906         * tree-ssa-ccp.c (get_default_value): Simplify.
7907         (likely_value): Likewise.
7908         (surely_varying_stmt_p): Properly handle VOP case.
7909         (ccp_initialize): Likewise.
7910         (ccp_fold): Handle propagating through *&.
7911         (fold_const_aggregate_ref): Also handle decls.
7912
7913 2009-03-28  Jan Hubicka  <jh@suse.cz>
7914
7915         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
7916         * cgraph.h (cgraph_node): Likewise.
7917         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
7918         (cgraph_reset_node): Use process flag.
7919         (cgraph_mark_functions_to_output): Likewise.
7920         (cgraph_expand_function): Likewise.
7921         (cgraph_expand_all_functions): Likewise.
7922         (cgraph_output_in_order): Likewise.
7923         * dwarf2out.c (reference_to_unused): Likewise.
7924         * passes.c do_per_function_toporder): Likewise.
7925
7926 2009-03-28  Jan Hubicka  <jh@suse.cz>
7927
7928         Bring from lto-branch:
7929
7930         2008-09-03  Doug Kwan  <dougkwan@google.com>
7931
7932         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
7933         enums instead of reason strings.
7934         * cgraph.c (cgraph_create_edge): Same.
7935         (cgraph_inline_failed_string): New function.
7936         * cgraph.h (cgraph_inline_failed_t): New enum type.
7937         (cgraph_inline_failed_string): New prototype.
7938         (struct cgraph_edge): Change type of INLINED_FAILED from constant
7939         char pointer to cgraph_inline_failed_t.
7940         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
7941         (cgraph_default_inline_p): Ditto.
7942         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
7943         to cgraph_inline_failed_t pointer.
7944         * cif-code.def: New file.
7945         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
7946         reason string.
7947         (cgraph_check_inline_limits): Change type of REASON to pointer to
7948         cgraph_inline_failed_t.  Replace reason strings with enums.
7949         (cgraph_default_inline_p): Ditto.
7950         (cgraph_recursive_inlining_p): Ditto.
7951         (update_caller_keys): Change type of FAILED_REASON to
7952         cgraph_inline_failed_t.
7953         (cgraph_set_inline_failed): Change type of REASON to pointer to
7954         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
7955         convert enums to strings for text output.
7956         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
7957         to be of type cgraph_inline_failed_t.  Replace reason strings with
7958         enums.  Call cgraph_inline_failed_string to covert enums
7959         to strings for text output.
7960         (cgraph_decide_inlining): Replace reason strings with enums.
7961         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
7962         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
7963         for text output.
7964         * tree-inline.c (expand_call_inline): Change type of REASON
7965         to cgraph_inline_failed_t.  Replace reason strings with enums.
7966         Call cgraph_inline_failed_string for text output.
7967         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
7968         (cgraph.o): Ditto.
7969
7970 2009-03-28  Jan Hubicka  <jh@suse.cz>
7971
7972         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
7973         cgraph_clone_node): Remove master clone handling.
7974         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7975         * cgraph.h (master_clone): Remove.
7976         (cgraph_is_master_clone, cgraph_master_clone): Remove.
7977         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
7978         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
7979
7980 2009-03-28  Jan Hubicka  <jh@suse.cz>
7981
7982         * cgraph.c (cgraph_function_body_availability): Functions declared
7983         inline are always safe to assume that it is not going to be replaced.
7984
7985 2009-03-28  Richard Guenther  <rguenther@suse.de>
7986
7987         PR tree-optimization/38513
7988         * tree-ssa-pre.c (eliminate): Remove redundant stores.
7989         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
7990         EXC_PTR_EXPR and FILTER_EXPR.
7991         (get_ref_from_reference_ops): Likewise.
7992
7993 2009-03-28  Richard Guenther  <rguenther@suse.de>
7994
7995         PR tree-optimization/38968
7996         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7997         Use FLOOR_MOD_EXPR to compute misalignment.
7998
7999 2009-03-28  Richard Guenther  <rguenther@suse.de>
8000
8001         PR tree-optimization/37795
8002         * tree.h (combine_comparisons): Declare.
8003         * fold-const.c (combine_comparisons): Export.
8004         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8005         comparisons.
8006         (ifcombine_iforif): Use combine_comparisons.
8007
8008 2009-03-28  Jan Hubicka  <jh@suse.cz>
8009
8010         * tree-eh.c (inlinable_call_p): New function.
8011         (make_eh_edges): Use it.
8012         (verify_eh_edges): Use it.
8013         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8014         * except.c (reachable_next_level): Add inlinable_function argument
8015         (sjlj_find_directly_reachable_regions): Update.
8016         (add_reachable_handler): Do not set saw_any_handlers.
8017         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8018         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8019         Add new inlinable call parameter.
8020         (can_throw_internal, can_throw_external): Update.
8021         * except.h (can_throw_internal_1, can_throw_external_1,
8022         foreach_reachable_handler): Update declaration.
8023
8024 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8025
8026         * config/arm/t-arm-coff, config/h8300/coff.h,
8027         config/i386/i386-aout.h, config/i386/i386-coff.h,
8028         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8029         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8030         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8031         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8032         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8033         sys-types.h: Remove.
8034         * Makefile.in: Remove protoize and fixproto support and references
8035         in comments.
8036         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8037         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8038         Remove.
8039         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8040         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8041         unprotoize$(exeext).
8042         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8043         (.PHONY): Don't depend on proto.
8044         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8045         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8046         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8047         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8048         build/gen-protos.o, build/scan.o, xsys-protos.h,
8049         build/fix-header$(build_exeext), build/fix-header.o,
8050         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8051         stmp-install-fixproto): Remove.
8052         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8053         SYSCALLS.c or fixproto files.
8054         (install-common): Don't install protoize.
8055         (install-headers-tar, install-headers-cpio, install-headers-cp):
8056         Don't depend on $(STMP_FIXPROTO).
8057         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8058         install fixproto files or write out fixproto settings.
8059         (uninstall): Don't uninstall protoize.
8060         * config.gcc (use_fixproto): Remove.
8061         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8062         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8063         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8064         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8065         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8066         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8067         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8068         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8069         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8070         * config/t-vxworks (STMP_FIXPROTO): Remove.
8071         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8072         STMP_FIXPROTO): Remove.
8073         * config.in, configure: Regenerate.
8074         * crtstuff.c (gid_t, uid_t): Don't undefine.
8075         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8076         (arm-*-coff, arm-*-aout: Remove target entries.
8077         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8078         Remove mention of AIX 4.1.
8079         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8080         * doc/invoke.texi (Running Protoize): Remove.
8081         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8082         (Protoize Caveats): Remove.
8083         * tsystem.h: Update comments on headers assumed to exist.
8084
8085 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8086
8087         * genautomata.c: Add a new year to the copyright.  Add a new
8088         reference.
8089         (struct insn_reserv_decl): Add comments for member bypass_list.
8090         (find_bypass): Remove.
8091         (insert_bypass): New.
8092         (process_decls): Use insert_bypass.
8093         (output_internal_insn_latency_func): Output all bypasses with the
8094         same input insn in one switch case.
8095
8096         * rtl.def (define_bypass): Describe bypass choice.
8097         * doc/md.texi (define_bypass): Ditto.
8098
8099 2009-03-27  Richard Guenther  <rguenther@suse.de>
8100
8101         * gimplify.c (mark_addressable): Export.
8102         * tree-flow.h (mark_addressable): Declare.
8103         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8104         * tree-ssa.c (verify_phi_args): Verify that address taken
8105         variables have TREE_ADDRESSABLE set.
8106
8107 2009-03-27  Richard Guenther  <rguenther@suse.de>
8108
8109         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8110         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8111         Do not mark decls TREE_ADDRESSABLE.
8112         (build_fold_addr_expr): Adjust.
8113         (fold_addr_expr): Remove.
8114         (fold_unary): Use build_fold_addr_expr.
8115         (fold_comparison): Likewise.
8116         (split_address_to_core_and_offset): Likewise.
8117         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8118         TREE_ADDRESSABLE.
8119         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8120         (gimplify_modify_expr_to_memcpy): Mark source and destination
8121         addressable.
8122         * omp-low.c (create_omp_child_function): Mark the object decl
8123         TREE_ADDRESSABLE.
8124         (lower_rec_input_clauses): Mark the var we take the address of
8125         TREE_ADDRESSABLE.
8126         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8127
8128 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8129
8130         PR middle-end/39315
8131         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8132         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8133
8134 2009-03-27  Richard Guenther  <rguenther@suse.de>
8135
8136         PR tree-optimization/39120
8137         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8138         constraints.
8139         (handle_lhs_call): Process return constraints.  Add escape
8140         constraints if necessary.
8141         (handle_const_call): Fill out return constraints.  Make nested
8142         case more precise.  Avoid consttmp if possible.
8143         (handle_pure_call): Fill out return constraints.  Avoid
8144         callused if possible.
8145         (find_func_aliases): Simplify call handling.
8146
8147 2009-03-27  Richard Guenther  <rguenther@suse.de>
8148
8149         PR tree-optimization/39120
8150         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8151         as a representative.
8152         (solve_graph): Do propagate CALLUSED.
8153         (handle_pure_call): Use a scalar constraint from CALLUSED for
8154         the return value.
8155         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8156         solutions.
8157
8158 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8159
8160         PR c/39323
8161         * c-common.c (handle_aligned_attribute): Properly check alignment
8162         overflow.  Use (1U << i) instead of (1 << i).
8163
8164         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8165
8166         * expr.h (get_mem_align_offset): Updated.
8167
8168         * tree.h (tree_decl_common): Change align to "unsigned int" and
8169         move it before pointer_alias_set.
8170
8171 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8172             Jakub Jelinek  <jakub@redhat.com>
8173
8174         PR target/38034
8175         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8176         gr_register_operand with gr_reg_or_0_operand.
8177         (cmpxchg_rel_di): Likewise.
8178         (sync_lock_test_and_set<mode>): Likewise.
8179
8180 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8181
8182         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8183         (true_regnum): Likewise.
8184
8185         * rtlanal.c (subreg_info): Moved to ...
8186         * rtl.h (subreg_info): Here.  New.
8187         (subreg_get_info): New.
8188
8189         * rtlanal.c (subreg_get_info): Make it extern.
8190
8191 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8192
8193         PR target/39472
8194         * config/i386/i386.c (ix86_abi): New.
8195         (override_options): Handle -mabi=.
8196         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8197         (ix86_call_abi_override): Likewise.
8198         (init_cumulative_args): Likewise.
8199         (function_arg_advance): Likewise.
8200         (function_arg_64): Likewise.
8201         (function_arg): Likewise.
8202         (ix86_pass_by_reference): Likewise.
8203         (ix86_function_value_regno_p): Likewise.
8204         (ix86_build_builtin_va_list_abi): Likewise.
8205         (setup_incoming_varargs_64): Likewise.
8206         (is_va_list_char_pointer): Likewise.
8207         (ix86_init_machine_status): Likewise.
8208         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8209         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8210         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8211         (ix86_function_abi): Make it static and return enum calling_abi.
8212         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8213         with ix86_abi.
8214         (ix86_fn_abi_va_list): Updated.
8215
8216         * config/i386/i386.h (ix86_abi): New.
8217         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8218         (CONDITIONAL_REGISTER_USAGE): Likewise.
8219         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8220         (machine_function): Likewise.
8221
8222         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8223         with ix86_abi.
8224         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8225         (STACK_BOUNDARY): Likewise.
8226         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8227
8228         * config/i386/i386.opt (mabi=): New.
8229
8230         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8231         return enum calling_abi.
8232         (ix86_function_type_abi): Likewise.
8233         (ix86_function_abi): Removed.
8234
8235         * doc/invoke.texi: Document -mabi= option for x86.
8236
8237 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8238
8239         * builtins.c (real_dconstp): Delete.
8240         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8241
8242 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8243             Jakub Jelinek  <jakub@redhat.com>
8244
8245         PR debug/37959
8246         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8247         (gen_subprogram_die): When a function is explicit, generate the
8248         DW_AT_explicit attribute.
8249         * langhooks.h (struct lang_hooks_for_decls): Add
8250         function_decl_explicit_p langhook.
8251         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8252         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8253
8254 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8255
8256         * builtins.c (fold_builtin_memory_op): Optimize memmove
8257         into memcpy if we can prove source and destination don't overlap.
8258
8259         * tree-inline.c: Include gt-tree-inline.h.
8260         (clone_fn_id_num): New variable.
8261         (clone_function_name): New function.
8262         (tree_function_versioning): Use it.
8263         * Makefile.in (GTFILES): Add tree-inline.c.
8264
8265 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8266
8267         * BASE-VER: Change to 4.5.0.
8268
8269 2009-03-27  Xinliang David Li  <davidxl@google.com>
8270
8271         PR tree-optimization/39557
8272         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8273
8274 2009-03-27  Xinliang David Li  <davidxl@google.com>
8275
8276         PR tree-optimization/39548
8277         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8278         candidate check.
8279
8280 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8281
8282         * c-common.c (pointer_int_sum): Use %wd on return from
8283         tree_low_cst.
8284
8285 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8286
8287         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8288         on return from tree_low_cst.
8289
8290 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8291
8292         PR c++/36799
8293         * ginclude/stdarg.h (va_copy): Define also for
8294         __GXX_EXPERIMENTAL_CXX0X__.
8295
8296 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8297
8298         PR c++/35652
8299         * builtins.h (c_strlen): Do not warn here.
8300         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8301         * c-common.c (pointer_int_sum): Take an explicit location.
8302         Warn about offsets out of bounds.
8303         * c-common.h (pointer_int_sum): Adjust declaration.
8304
8305 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8306
8307         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8308         markup glitch.
8309
8310 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8311
8312         PR c++/39554
8313         * opts.c (warn_if_disallowed_function_p): Don't assume
8314         get_callee_fndecl must return non-NULL.
8315
8316 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8317
8318         PR rtl-optimization/39522
8319         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8320         when reg_reloaded_valid is set.
8321
8322 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8323
8324         * config/spu/divv2df3.c: New file.
8325         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8326         (DPBIT_FUNCS): Filter out _div_df.
8327
8328 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8329
8330         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8331         a jump insn, count that jump in the distance to the loop start.
8332
8333 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8334
8335         PR target/39523
8336         * config/sh/sh.c (calc_live_regs): Fix condition for global
8337         registers except PIC_OFFSET_TABLE_REGNUM.
8338
8339 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8340
8341         PR/39518
8342         * doc/invoke.texi (-mconsole): New.
8343         (-mcygwin): New.
8344         (-mno-cygwin): New.
8345         (-mdll): New.
8346         (-mnop-fun-dllimport): New.
8347         (-mthread): New.
8348         (-mwin32): New.
8349         (-mwindows): New.
8350         (sub section "i386 and x86-64 Windows Options"): New.
8351
8352 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8353
8354         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8355         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8356
8357 2009-03-25  Richard Guenther  <rguenther@suse.de>
8358
8359         PR middle-end/39497
8360         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8361         of -Wno-error.
8362
8363 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8364
8365         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8366         neither of haifa/selective schedulers are working.
8367
8368 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8369
8370         * doc/invoke.texi (Debugging Options): Fix description of
8371         -fno-merge-debug-strings.
8372
8373 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8374
8375         * config/cris/libgcc.ver: New version-script.
8376         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8377
8378         * configure.ac <GAS features, nop mnemonic>: Add pattern
8379         crisv32-*-* for "nop".
8380         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8381         * configure: Regenerate.
8382
8383 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8384
8385         PR tree-optimization/39529
8386         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8387         mark_sym_for_renaming for the tag copied to the new vector
8388         pointer.
8389
8390 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8391
8392         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8393         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8394         EXTRA_SPEC_FUNCTIONS.
8395         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8396         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
8397         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
8398         -march and -mtune options.
8399
8400 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
8401
8402         * config/m68k/t-rtems: Add m5329 multilib.
8403
8404 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
8405             Jakub Jelinek  <jakub@redhat.com>
8406
8407         PR debug/39524
8408         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
8409         nodes.
8410
8411 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8412
8413         PR c/39495
8414         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
8415         instead of c_parser_expression_conv, if original_code isn't one of the
8416         4 allowed comparison codes, fail.
8417
8418 2009-03-23  Richard Guenther  <rguenther@suse.de>
8419
8420         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
8421         * tree.h (struct tree_type): Likewise.
8422         * reload.h (struct insn_chain): Likewise.
8423         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
8424         * function.h (struct function): Likewise.
8425         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
8426
8427 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
8428
8429         PR tree-optimization/39516
8430         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
8431
8432 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
8433
8434         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
8435         should be set true if BITS_PER_WORD of target is bigger than 32
8436
8437 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
8438
8439         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
8440         Translate -B-options to -rpath-link.  Correct existing
8441         rpath-link and conditionalize on !nostdlib.
8442
8443 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8444
8445         * doc/extend.texi (Function Attributes, Variable Attributes):
8446         Fix typos.
8447         * doc/invoke.texi (Debugging Options, Optimize Options)
8448         (i386 and x86-64 Options, MCore Options): Likewise.
8449
8450 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
8451
8452         PR debug/37890
8453         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
8454         it for block local namespace aliases.
8455         (gen_decl_die): Pass context_die to gen_namespace_die.
8456
8457 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8458
8459         PR c/39495
8460         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
8461         minimum or maximum value.
8462
8463 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
8464
8465         * reginfo.c (globalize_reg): Recompute derived reg sets.
8466
8467 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
8468
8469         PR target/39063
8470         * libgcc2.c (mprotect): Do not use signed arguments for
8471         VirtualProtect, use DWORD arguments.  Also fix the 'may
8472         be used uninitialized' warning for the np variable.
8473
8474 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
8475
8476         PR target/39496
8477         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
8478         functions using regparm calling conventions when not optimizing.
8479         (ix86_function_sseregparm): Similarly for sseregparm calling
8480         conventions.
8481
8482 2009-03-19  Li Feng  <nemokingdom@gmail.com>
8483
8484         PR middle-end/39500
8485         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
8486         dependence if the first conflict is after niter iterations.
8487
8488 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
8489
8490         PR middle-end/38609
8491         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
8492         functions with dynamic stack-pointer adjustments.
8493
8494 2009-03-19  Ben Elliston  <bje@au.ibm.com>
8495
8496         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
8497         option; change to -msdata=data.
8498
8499 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8500
8501         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
8502         and -fopenmp.
8503
8504 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
8505
8506         PR target/35180
8507         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
8508
8509 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
8510
8511         * doc/invoke.texi (Code Gen Options): Expand discussion of
8512         -fno-common.
8513
8514 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
8515
8516         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
8517         * matrix-reorg.c (struct matrix_info): Likewise.
8518         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
8519         * rtl.h (struct mem_attrs): Likewise.
8520         * df.h (struct df): Likewise.
8521         * tree-data-ref.h (struct data_dependence_relation): Likewise.
8522         * ira-int.h (struct ira_allocno): Likewise.
8523         * df-scan.c (struct df_collection_rec): Likewise.
8524         * ira.c (struct equivalence): Likewise.
8525         * function.c (struct temp_slot): Likewise.
8526         * cfgloop.h (struct loop): Likewise.
8527
8528         PR debug/39485
8529         * function.c (use_register_for_decl): When not optimizing, disregard
8530         register keyword for variables with types containing methods.
8531
8532 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
8533
8534         PR middle-end/39447
8535         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
8536         (is_simple_operand): Call contains_component_ref_p before calling data
8537         reference analysis that would fail on COMPONENT_REFs.
8538
8539         * tree-vrp.c (search_for_addr_array): Fix formatting.
8540
8541 2009-03-18  Richard Guenther  <rguenther@suse.de>
8542
8543         * tree-vect-transform.c (vect_loop_versioning): Fold the
8544         generated comparisons.
8545         * tree-vectorizer.c (set_prologue_iterations): Likewise.
8546         (slpeel_tree_peel_loop_to_edge): Likewise.
8547
8548 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8549
8550         PR middle-end/37805
8551         * opts.c (print_specific_help): In addition to `undocumented',
8552         accept `separate' and `joined' flags if passed alone.  Describe
8553         output by the first matched one of those.
8554         (common_handle_option): Skip over empty strings.
8555         * gcc.c (display_help): Fix help string for `--help='.
8556         * doc/invoke.texi (Option Summary, Overall Options): With
8557         `--help=', classes and qualifiers can both be repeated, but
8558         only the latter can be negated.  One should not pass only
8559         negated qualifiers.  Fix markup and examples.
8560
8561         Revert
8562         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
8563         PR middle-end/37805
8564         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
8565         and -fhelp=separate.
8566
8567 2009-03-17  Jing Yu  <jingyu@google.com>
8568
8569         PR middle-end/39378
8570         * function.h (struct rtl_data): Move is_thunk from here...
8571         (struct function): ...to here.
8572         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
8573         * varasm.c (assemble_start_function): Change is_thunk from crtl to
8574         cfun.
8575         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
8576         cfun.
8577         (alpha_does_function_need_gp, alpha_start_function): Likewise.
8578         (alpha_output_function_end_prologue): Likewise.
8579         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
8580         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
8581         (rs6000_output_function_epilogue): Likewise.
8582         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
8583
8584 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
8585
8586         PR target/39482
8587         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
8588         from different units in a single alternative.
8589         (*truncdfsf_i387): Ditto.
8590         (*truncxfsf2_mixed): Ditto.
8591         (*truncxfdf2_mixed): Ditto.
8592
8593 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
8594
8595         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
8596         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
8597
8598         PR debug/39474
8599         * tree-ssa-live.c (remove_unused_locals): Don't remove local
8600         unused non-artificial variables when not optimizing.
8601
8602         PR debug/39471
8603         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
8604         DW_TAG_imported_module even if decl is IMPORTED_DECL with
8605         NAMESPACE_DECL in its DECL_INITIAL.
8606
8607         PR middle-end/39443
8608         * optabs.c (set_user_assembler_libfunc): New function.
8609         * expr.h (set_user_assembler_libfunc): New prototype.
8610         * c-common.c: Include libfuncs.h.
8611         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
8612         for memcmp, memset, memcpy, memmove and abort.
8613         * Makefile.in (c-common.o): Depend on libfuncs.h.
8614
8615         PR debug/39412
8616         * dwarf2out.c (gen_inlined_enumeration_type_die,
8617         gen_inlined_structure_type_die, gen_inlined_union_type_die,
8618         gen_tagged_type_instantiation_die): Removed.
8619         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
8620         do nothing.
8621
8622 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
8623
8624         PR testsuite/38526
8625         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
8626         its use.
8627         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
8628         (check-parallel-%): Ditto.
8629         (check-consistency): Ditto.
8630
8631 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
8632
8633         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
8634         local variable rhs by NULL_TREE.
8635
8636 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8637
8638         PR target/39477
8639         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
8640
8641 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8642
8643         PR target/39476
8644         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
8645
8646 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8647
8648         PR target/39473
8649         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
8650         for ms->sysv ABI calls only in 64bit mode.
8651
8652         * config/i386/i386.md (untyped_call): Support 32bit.
8653
8654 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
8655
8656         * doc/extend.texi: Replace x86_65 with x86_64.
8657
8658 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
8659
8660         PR tree-optimization/39455
8661         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
8662         mismatches for POINTER_TYPE_P (type).
8663         (number_of_iterations_le): Likewise.
8664
8665 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8666
8667         * config/picochip/picochip.c: Removed profiling support.
8668         * config/picochip/picochip.md: Removed profiling instruction.
8669         * config/picochip/picochip.h: Removed profiling builtin.
8670
8671 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
8672
8673         * doc/install.texi (--with-host-libstdcxx): Document.
8674
8675 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
8676
8677         PR target/34299
8678         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
8679         generate a warning if the function name does not begin with
8680         "__vector" and the function has either the 'signal' or 'interrupt'
8681         attribute, from here to ...
8682         (avr_declare_function_name): ...here. New function.
8683         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
8684         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
8685
8686 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
8687
8688         PR bootstrap/39454
8689         * cse.c (fold_rtx): Don't modify original const_arg1 when
8690         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
8691         separate variable instead.
8692         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
8693         from out of range shift counts.
8694         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
8695
8696 2009-03-13  Catherine Moore  <clm@codesourcery.com>
8697
8698         * config/i386/x-mingw32 (host-mingw32.o): Replace
8699         diagnostic.h with $(DIAGNOSTIC_H).
8700
8701 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
8702
8703         PR target/39431
8704         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
8705         predicate.
8706         * config/i386/sync.md (sync_compare_and_swap<mode>,
8707         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
8708         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
8709         into a register.
8710         (sync_double_compare_and_swapdi_pic,
8711         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
8712         cmpxchg8b_pic_memory_operand instead of just memory_operand.
8713
8714 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8715
8716         PR target/39445
8717         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
8718
8719 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8720
8721         PR target/39327
8722         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8723         (avx_addsubv4df3): Likewise.
8724         (*avx_addsubv4sf3): Likewise.
8725         (sse3_addsubv4sf3): Likewise.
8726
8727 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
8728
8729         PR target/38824
8730         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
8731
8732 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
8733
8734         PR debug/39432
8735         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
8736         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
8737         registers for allocnos created from user-defined variables.
8738
8739 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8740
8741         PR target/39181
8742         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
8743         of non-integer mode as well.
8744
8745 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
8746
8747         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
8748         for functions for which the parameter types are unknown.
8749
8750 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
8751
8752         PR target/39137
8753         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
8754         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
8755         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8756         * config/i386/i386.c (ix86_local_alignment): For
8757         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
8758         long long variables on the stack to avoid dynamic realignment.
8759         Allow the first argument to be a decl rather than type.
8760         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
8761
8762 2009-03-11  Nick Clifton  <nickc@redhat.com>
8763
8764         PR target/5362
8765         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
8766         options.
8767         Add description to mno-lsim option.
8768         * config/mcore/mcore.h: Remove comment about deprecated m4align
8769         option.
8770         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
8771         * doc/invoke.texi: Add description of mno-lsim and
8772         mstack-increment options.
8773
8774         * config/fr30/fr30.opt: Document the -mno-lsim option.
8775         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8776         and -mno-lsim options.
8777
8778 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8779
8780         * fold-const.c (fold_comparison): Only call fold_inf_compare
8781         if the mode supports infinities.
8782
8783 2009-03-11  Jason Merrill  <jason@redhat.com>
8784
8785         PR debug/39086
8786         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
8787         end already did.  Notice GIMPLE_CALL modifications of the result.
8788         Don't copy debug information from an ignored decl or a decl from
8789         another function.
8790
8791 2009-03-10  Richard Guenther  <rguenther@suse.de>
8792             Nathan Froyd  <froydnj@codesourcery.com>
8793
8794         PR middle-end/37850
8795         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
8796         (__divMODE3): Likewise.
8797
8798 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
8799
8800         PR tree-optimization/39394
8801         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
8802         DECL_SIZE_UNIT of variable length FIELD_DECLs.
8803
8804 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8805
8806         * recog.c (verfiy_changes): Disallow renaming of hard regs in
8807         inline asms for register asm ("") declarations.
8808
8809 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
8810
8811         * fold-const.c (fold_unary): Fix comment.
8812
8813 2009-03-07  Jan Hubicka  <jh@suse.cz>
8814
8815         PR target/39361
8816         * tree-inline.c (setup_one_parameter): Do replacement of const
8817         argument by constant in SSA form.
8818
8819 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8820
8821         PR middle-end/38028
8822         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
8823         determine alignment passed to assign_stack_local.
8824         (assign_parms_unsplit_complex): Likewise.
8825         * except.c (sjlj_build_landing_pads): Likewise.
8826
8827 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8828
8829         PR middle-end/39360
8830         * tree-flow.h (add_referenced_var): Return bool instead of void.
8831         * tree-dfa.c (add_referenced_var): Return result of
8832         referenced_var_check_and_insert call.
8833         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
8834         of referenced_var_check_and_insert.
8835
8836         PR debug/39372
8837         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
8838         (gen_variable_die): Emit DW_AT_location on abstract static variable's
8839         DIE, don't emit it if abstract origin already has it.
8840         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
8841         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
8842
8843 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8844
8845         * genpreds.c (needs_variable): Fix parentheses at variable name
8846         detection.
8847         (write_tm_constrs_h): Indent generated code.
8848
8849 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8850
8851         * doc/extend.texi (Function Attributes): Add documentation
8852         for isr attributes.
8853
8854 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
8855
8856         PR debug/39387
8857         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
8858         take locus from its DECL_SOURCE_LOCATION instead of input_location.
8859
8860 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8861
8862         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
8863         the loop as bad.
8864
8865 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
8866
8867         PR debug/39379
8868         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
8869         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
8870
8871 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
8872
8873         * config/i386/i386.md (R8_REG, R9_REG): New constants.
8874         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
8875         constants instead of magic numbers.
8876         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8877         (QI_REG_P): Ditto.
8878         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
8879         (x86_64_ms_abi_int_parameter_registers): Ditto.
8880         (x86_64_int_return_registers): Ditto.
8881         (ix86_maybe_switch_abi): Ditto.
8882         (ix86_expand_call): Ditto for clobbered_registers array.
8883         (ix86_hard_regno_mode_ok): Ditto.
8884         (x86_extended_QIreg_mentioned_p): Ditto.
8885
8886 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
8887
8888         PR tree-optimization/39349
8889         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
8890
8891         * combine.c (gen_lowpart_for_combine): Use omode when generating
8892         clobber.
8893
8894 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
8895
8896         PR rtl-optimization/39235
8897         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
8898
8899 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8900
8901         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
8902
8903 2009-03-04  Richard Guenther  <rguenther@suse.de>
8904
8905         PR tree-optimization/39362
8906         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
8907         that occur in abnormal PHIs should be varying.
8908
8909 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
8910
8911         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
8912         Extend comments.
8913         (simple_iv):  Take loop as an argument instead of statement.
8914         * tree-scalar-evolution.h (simple_iv): Declaration changed.
8915         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
8916         to simple_iv.
8917         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
8918         Ditto.
8919         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
8920         * matrix-reorg.c (analyze_transpose): Ditto.
8921         * tree-data-ref.c (dr_analyze_innermost): Ditto.
8922         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8923         * tree-predcom.c (ref_at_iteration): Ditto.
8924         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
8925
8926 2009-03-04  Richard Guenther  <rguenther@suse.de>
8927
8928         PR tree-optimization/39358
8929         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
8930         escaped_id and callused_id.
8931         (solve_graph): Likewise.
8932
8933 2009-03-04  Richard Guenther  <rguenther@suse.de>
8934
8935         PR tree-optimization/39339
8936         * tree-sra.c (try_instantiate_multiple_fields): Make it
8937         no longer ICE on the above.
8938
8939 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
8940
8941         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
8942         that fits within Pmode.
8943
8944 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8945
8946         PR middle-end/10109
8947         * tm.texi (LIBCALL_VALUE): Update description.
8948
8949 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
8950
8951         PR middle-end/34443
8952         * doc/extend.texi (section): Update description.
8953
8954 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
8955
8956         PR middle-end/39345
8957         * tree-inline.c (remapped_type): New.
8958         (can_be_nonlocal): Call remapped_type instead of remap_type.
8959
8960 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8961
8962         PR fortran/39354
8963         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
8964         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
8965
8966 2009-03-03  Richard Guenther  <rguenther@suse.de>
8967
8968         PR middle-end/39272
8969         * tree.c (tree_nonartificial_location): New function.
8970         * tree.h (tree_nonartificial_location): Declare.
8971         * builtins.c (expand_builtin_memory_chk): Provide location
8972         of the call location for artificial function pieces.
8973         (maybe_emit_chk_warning): Likewise.
8974         (maybe_emit_sprintf_chk_warning): Likewise.
8975         (maybe_emit_free_warning): Likewise.
8976         * expr.c (expand_expr_real_1): Likewise.
8977
8978 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
8979
8980         PR tree-optimization/39343
8981         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
8982         COMPONENT_REF t has ARRAY_TYPE.
8983
8984 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8985
8986         PR middle-end/39335
8987         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
8988         when the type precision of the induction variable should be
8989         larger than the type precision of nit.
8990         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
8991         * graphite.c (graphite_loop_normal_form): Same.
8992         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
8993
8994 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
8995
8996         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
8997         (*call_1_rex64_ms_sysv): Use named constants instead of magic
8998         numbers to describe clobbered registers.
8999         (*call_value_0_rex64_ms_sysv): Ditto.
9000         * config/i386/mmx.md (mmx_emms): Ditto.
9001         (mmx_femms): Ditto.
9002
9003 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9004
9005         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9006         of ABI_64.
9007
9008 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9009
9010         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9011         (spu_section_type_flags): New function.
9012
9013 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9014
9015         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9016         reg_class_contents of FLOAT_REGS into a temporary.
9017
9018 2009-03-02  Richard Guenther  <rguenther@suse.de>
9019             Ira Rosen  <irar@il.ibm.com>
9020
9021         PR tree-optimization/39318
9022         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9023         information to the vectorized statement.
9024
9025 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9026
9027         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9028         variable.  Use defined names instead of magic constants for REX SSE
9029         registers.
9030
9031 2009-03-01  Richard Guenther  <rguenther@suse.de>
9032
9033         PR tree-optimization/39331
9034         * omp-low.c (lower_send_shared_vars): Do not receive new
9035         values for the reference of DECL_BY_REFERENCE parms or results.
9036
9037 2009-03-01  Jan Hubicka  <jh@suse.cz>
9038
9039         PR debug/39267
9040         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9041         BLOCK_NONLOCALIZED_VAR): New macros.
9042         (tree_block): Add nonlocalized_vars.
9043         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9044         gen_decl_die): Add origin argument.  Allow generation of die with
9045         origin at hand only.
9046         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9047         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9048         of gen_*.
9049         (gen_block_die): Fix checking for unused blocks.
9050         (process_scope_var): Break out from .... ; work with origins only.
9051         (decls_for_scope) ... here; process nonlocalized list.
9052         (dwarf2out_ignore_block): Look for nonlocalized vars.
9053         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9054         vars.
9055         (dump_scope_block): Dump them.
9056         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9057         (remap_block): Likewise.
9058         (can_be_nonlocal): New predicate.
9059         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9060
9061 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9062
9063         * configure: Regenerate.
9064
9065 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9066
9067         * optc-gen.awk: No need to duplicate option flags twice.
9068         Reuse help texts for duplicate options which do not have any.
9069
9070         * gcc.c (display_help): Document --version.
9071
9072         * gcc.c (main): If print_help_list and verbose_flag, ensure
9073         driver output comes before subprocess output.
9074
9075         * optc-gen.awk: Assign all remaining fields to help string,
9076         space-separated, for multi-line help in *.opt.
9077
9078         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9079         -Wno-pedantic-ms-format is for MinGW targets only.
9080
9081         * doc/options.texi (Option file format): Fix bad indentation,
9082         restoring dropped sentence.
9083
9084 2009-02-28  Jan Hubicka  <jh@suse.cz>
9085
9086         * tree-inline.c (tree_function_versioning): Output debug info.
9087
9088 2009-02-28  Jan Hubicka  <jh@suse.cz>
9089
9090         PR debug/39267
9091         * tree-inline.c (setup_one_parameter): Do not copy propagate
9092         arguments when not optimizing.
9093
9094 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9095
9096         PR target/39327
9097         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9098         (avx_addsubv4df3): Likewise.
9099         (*avx_addsubv4sf3): Likewise.
9100         (sse3_addsubv4sf3): Likewise.
9101         (*avx_addsubv2df3): Likewise.
9102         (sse3_addsubv2df3): Likewise.
9103         (avx_unpckhps256): Correct item selectors.
9104         (avx_unpcklps256): Likewise.
9105         (avx_unpckhpd256): Likewise.
9106         (avx_unpcklpd256): Likewise.
9107
9108 2009-02-28  Jan Hubicka  <jh@suse.cz>
9109
9110         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9111         static vars.
9112         (copy_arguments_for_versioning): If var is declared don't declare it.
9113         (tree_function_versioning): First setup substitutions and then copy
9114         args.
9115
9116 2009-02-27  Jan Hubicka  <jh@suse.cz>
9117
9118         PR debug/39267
9119         * cgraph.h (varpool_output_debug_info): Remove.
9120         * cgraphunit.c (varpool_output_debug_info): Remove.
9121         * dwarf2out.c (deferred_locations_struct): New struct
9122         (deferred_locations): New type.
9123         (deferred_locations_list): New static var.
9124         (deffer_location): New function.
9125         (gen_variable_die): Use it.
9126         (decls_for_scope): Output info on local static vars.
9127         (dwarf2out_finish): Process deferred locations.
9128         * varpool.c (varpool_output_debug_info): Remove.
9129
9130 2009-02-27  Jan Hubicka  <jh@suse.cz>
9131
9132         PR debug/39267
9133         * tree.h (TREE_PROTECTED): Fix comment.
9134         (BLOCK_HANDLER_BLOCK): Remove.
9135         (struct tree_block): Remove handler_block add body_block.
9136         (inlined_function_outer_scope_p): New.
9137         (is_body_block): Remove.
9138         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9139         * dwarf2out.c (is_inlined_entry_point): Remove.
9140         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9141         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9142         code.
9143         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9144         * gimplify.c (gimplify_expr): Gimplify body blocks.
9145         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9146         block with multiple subblocks.
9147         (dump_scope_block): Prettier output; dump more flags and info.
9148         (dump_scope_blocks): New.
9149         (remove_unused_locals): Use dump_scope_blocks.
9150         * tree-flow.h (dump_scope_blocks): Declare.
9151         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9152         * stmt.c (is_body_block): Remove.
9153         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9154         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9155
9156 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9157
9158         PR middle-end/39308
9159         * graphite.c (graphite_loop_normal_form): Do not call
9160         number_of_iterations_exit from a gcc_assert.
9161
9162 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9163
9164         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9165         jumps if COND is NULL.
9166         (find_cond_jump): New function.
9167         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9168         * config/s390/s390.md: Remove z10_cobra attribute value.
9169
9170 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9171
9172         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9173         force_const_mem returns NULL_RTX.
9174
9175 2009-02-26  Jan Hubicka  <jh@suse.cz>
9176
9177         PR debug/39267
9178         * cgraph.h (varpool_output_debug_info): Remove.
9179         * cgraphunit.c (varpool_output_debug_info): Remove.
9180         * dwarf2out.c (deferred_locations_struct): New struct
9181         (deferred_locations): New type.
9182         (deferred_locations_list): New static var.
9183         (deffer_location): New function.
9184         (gen_variable_die): Use it.
9185         (decls_for_scope): Output info on local static vars.
9186         (dwarf2out_finish): Process deferred locations.
9187         * varpool.c (varpool_output_debug_info): Remove.
9188
9189 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9190
9191         PR rtl-optimization/39241
9192         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9193         to subreg_offset_representable_p.
9194
9195 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9196
9197         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9198         execute function prototype.  Get f and nregs from max_reg_num
9199         and get_insns.  Remove the first backward pass as it's dead,
9200         guard the forward pass by flag_expensive_optimizations.
9201         (rest_of_handle_regmove): Delete.
9202         (pass_regmove): Replace it with regmove_optimize.
9203
9204 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9205
9206         PR tree-optimization/39259
9207         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9208         calls_alloca function flags.
9209         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9210         calls are detected.
9211
9212 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9213
9214         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9215         flags_set_1_rtx, flags_set_1_set): Delete.
9216         (regmove_optimize): Do not call mark_flags_life_zones.
9217
9218 2009-02-24  Julian Brown  <julian@codesourcery.com>
9219
9220         PR target/35965
9221         * config/arm/arm.c (require_pic_register): Only set
9222         cfun->machine->pic_reg once per function.
9223
9224 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9225
9226         * doc/invoke.texi (Link Options): Document an easier way to pass
9227         options that take arguments to the GNU linker using -Xlinker and -Wl.
9228
9229 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9230
9231         PR target/33785
9232         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9233
9234 2009-02-24  Richard Guenther  <rguenther@suse.de>
9235
9236         PR debug/39285
9237         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9238
9239 2009-02-24  Richard Guenther  <rguenther@suse.de>
9240             Zdenek Dvorak  <ook@ucw.cz>
9241
9242         PR tree-optimization/39233
9243         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9244         from converting them to a generic type.
9245
9246 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9247
9248         PR tree-optimization/39260
9249         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9250         contains a condition with a real type.
9251         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9252
9253 2009-02-23  Jason Merrill  <jason@redhat.com>
9254
9255         PR c++/38880
9256         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9257         narrowing_initializer_constant_valid_p.
9258         (narrowing_initializer_constant_valid_p): Don't return
9259         null_pointer_node for adding a pointer to itself.
9260
9261 2009-02-23  Jan Hubicka  <jh@suse.cz>
9262
9263         PR c/12245
9264         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9265         resizing.
9266
9267 2009-02-23  Jan Hubicka  <jh@suse.cz>
9268
9269         PR tree-optimization/37709
9270         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9271         * tree.h (block_ultimate_origin): Declare.
9272         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9273         * tree-ssa-live.c (remove_unused_scope_block_p):
9274         Eliminate blocks containig no instructions nor live variables nor
9275         nested blocks.
9276         (dump_scope_block): New function.
9277         (remove_unused_locals): Enable removal of dead blocks by default;
9278         enable dumping at TDF_DETAILS.
9279
9280 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9281
9282         * config/i386/i386.c (classify_argument): Don't allow COImode
9283         and OImode.
9284         (function_arg_advance_32): Don't allow OImode.
9285         (function_arg_32): Likewise.
9286         (function_value_32): Likewise.
9287         (return_in_memory_32): Likewise.
9288         (function_arg_64): Remove OImode comment.
9289
9290 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9291
9292         PR target/39261
9293         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9294         ix86_expand_vector_set for V4DImode in 64bit mode only.
9295         (ix86_expand_vector_init_one_var): Likewise.
9296
9297 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9298
9299         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9300
9301 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9302
9303         PR bootstrap/39257
9304         * loop-iv.c: Revert last change.
9305         * emit-rtl.c: Likewise.
9306
9307 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9308
9309         PR target/39256
9310         * config/i386/i386.c (type_natural_mode): Remove an extra
9311         space in the warning message.
9312         (function_value_32): Handle 32-byte vector modes.
9313         (return_in_memory_32): Likewise.
9314
9315 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9316
9317         * loop-iv.c (truncate_value): New function.
9318         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9319         of lowpart_subreg.
9320         (lowpart_subreg): Move to...
9321         * emit-rtl.c: ...here.
9322
9323 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9324
9325         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9326         accidental and undocumented change at revision 140860.
9327
9328 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9329
9330         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9331         take gimple_seq * arguments.
9332         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9333         types_compatible_p langhook.
9334
9335 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9336             Joseph Myers  <joseph@codesourcery.com>
9337
9338         * config/arm/arm.c (arm_builtin_va_list): New function.
9339         (arm_expand_builtin_va_start): Likewise.
9340         (arm_gimplify_va_arg_expr): Likewise.
9341         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9342         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9343         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9344         (va_list_type): New variable.
9345         (arm_mangle_type): Mangle va_list_type appropriately.
9346
9347 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9348
9349         PR middle-end/39157
9350         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9351         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9352         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9353         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9354         parameter to 1000 for -O1 by default.
9355         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9356         parameter.
9357         * loop-invariant.c: Include params.h.
9358         (move_loop_invariants): Don't call move_single_loop_invariants on
9359         very large loops.
9360
9361 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9362
9363         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9364         offset when calculating bounds for indexing stack_usage_map.  Fixes
9365         a buffer overflow with certain target setups.
9366
9367 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9368
9369         PR target/39240
9370         * calls.c (expand_call): Clear try_tail_call if caller and callee
9371         disagree in promotion of function return value.
9372
9373 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9374
9375         PR target/39175
9376         * c-common.c (c_determine_visibility): If visibility changed and
9377         DECL_RTL has been already set, call make_decl_rtl to update symbol
9378         flags.
9379
9380 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9381
9382         PR c++/39188
9383         * varasm.c (assemble_variable): Don't check DECL_NAME when
9384         globalizing a variable.
9385
9386 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9387
9388         PR c/38483
9389         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9390         expression before any __builtin_trap call.
9391         * c-typeck.c (build_function_call): Convert and check function
9392         arguments before generating a call to a trap.  Evaluate the
9393         function arguments before the trap.
9394
9395 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9396
9397         PR target/39228
9398         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
9399         (UNSPEC_FXAM_MEM): New unspec.
9400         (fxam<mode>2_i387_with_temp): New insn and split pattern.
9401         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
9402         memory using fxam<mode>2_i387_with_temp to remove excess precision.
9403
9404 2009-02-19  Richard Guenther  <rguenther@suse.de>
9405
9406         PR tree-optimization/39207
9407         PR tree-optimization/39074
9408         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
9409         storedanything_tree): New.
9410         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
9411         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
9412         (build_succ_graph): Add edges from STOREDANYTHING to all
9413         non-direct nodes.
9414         (init_base_vars): Initialize STOREDANYTHING.
9415         (compute_points_to_sets): Free substitution info after
9416         building the succ graph.
9417         (ipa_pta_execute): Likewise.
9418
9419         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
9420         field.
9421         (do_ds_constraint): Do not add to special var or non-pointer
9422         field solutions.
9423         (type_could_have_pointers): Split out from ...
9424         (could_have_pointers): ... here.  For arrays use the element type.
9425         (create_variable_info_for): Initialize may_have_pointers.
9426         (new_var_info): Likewise.
9427         (handle_lhs_call): Make the HEAP variable unknown-sized.
9428         (intra_create_variable_infos): Use a type with pointers for
9429         PARM_NOALIAS, make it unknown-sized.
9430
9431 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
9432
9433         PR target/39224
9434         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
9435
9436 2009-02-18  Jason Merrill  <jason@redhat.com>
9437
9438         PR target/39179
9439         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
9440         value if DECL_EXTERNAL.
9441         * tree-sra.c (sra_walk_gimple_assign): Likewise.
9442         * target.h (gcc_target::binds_local_p): Clarify "module".
9443         * tree.h (TREE_PUBLIC): Clarify "module".
9444
9445 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
9446
9447         PR target/38891
9448         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
9449         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
9450
9451 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
9452
9453         PR target/39082
9454         * c.opt (Wabi): Support C and ObjC.
9455         (Wpsabi): New.
9456
9457         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
9458
9459         * config/i386/i386.c (classify_argument): Warn once about the ABI
9460         change when passing union with long double.
9461
9462         * doc/invoke.texi: Update -Wabi for warning psABI changes.
9463
9464 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
9465
9466         PR c/35447
9467         * c-parser.c (c_parser_compound_statement): Always enter and leave
9468         a scope.
9469
9470 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9471
9472         PR target/34587
9473         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
9474
9475 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
9476
9477         PR tree-optimization/36922
9478         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
9479         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
9480         Likewise.
9481
9482 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9483
9484         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
9485         to 0 for EABI64.
9486
9487 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9488
9489         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
9490
9491 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
9492
9493         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
9494         tree sharing.
9495
9496 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
9497             Richard Sandiford  <rdsandiford@googlemail.com>
9498
9499         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
9500         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
9501         (loongson_biadd): ...this.
9502
9503 2009-02-17  Richard Guenther  <rguenther@suse.de>
9504
9505         PR tree-optimization/39202
9506         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
9507         a var make sure to follow existing collapses.
9508
9509 2009-02-17  Richard Guenther  <rguenther@suse.de>
9510
9511         PR middle-end/39214
9512         * langhooks.c (lhd_print_error_function): Check for NULL block.
9513
9514 2009-02-17  Richard Guenther  <rguenther@suse.de>
9515
9516         PR tree-optimization/39204
9517         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
9518         of the PHI arg.
9519
9520 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
9521
9522         * config/soft-fp/double.h: Update from glibc CVS.
9523
9524 2009-02-17  Richard Guenther  <rguenther@suse.de>
9525
9526         PR tree-optimization/39207
9527         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
9528         strict-aliasing warnings for pointers pointing to NULL.
9529
9530 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
9531
9532         PR c/35446
9533         * c-parser.c (c_parser_braced_init): Call pop_init_level when
9534         skipping until next close brace.
9535
9536 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
9537
9538         PR target/37049
9539         * config/i386/i386.c (ix86_expand_push): Set memory alignment
9540         to function argument boundary.
9541
9542 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9543
9544         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
9545         in the lea_add. Reload eventually constraints it properly.
9546         * config/picochip/constraints.md: Remove the target constraint
9547         "b", since it is not needed anymore.
9548
9549 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
9550
9551         * gthr-dce.h: Uglify function parameter and local variable names.
9552         * gthr-gnat.h: Likewise.
9553         * gthr-mipssde.h: Likewise.
9554         * gthr-nks.h: Likewise.
9555         * gthr-posix95.h: Likewise.
9556         * gthr-posix.h: Likewise.
9557         * gthr-rtems.h: Likewise.
9558         * gthr-single.h: Likewise.
9559         * gthr-solaris.h: Likewise.
9560         * gthr-tpf.h: Likewise.
9561         * gthr-vxworks.h: Likewise.
9562         * gthr-win32.h: Likewise.
9563
9564 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
9565
9566         PR target/39196
9567         * config/i386/i386.md: Restrict the new peephole2 to move
9568         between MMX/SSE registers.
9569
9570 2009-02-15  Richard Guenther  <rguenther@suse.de>
9571
9572         Revert
9573         2009-02-13  Richard Guenther  <rguenther@suse.de>
9574
9575         * configure.ac: Enable LFS.
9576         * configure: Re-generate.
9577         * config.in: Likewise.
9578
9579 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9580
9581         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
9582         spu_srqwbyte, spu_srqwbytebc): Define.
9583         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
9584         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
9585         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
9586         "shrqby_<mode>"): New insn-and-split patterns.
9587         * config/spu/spu.c (expand_builtin_args): Determine and return
9588         number of operands using spu_builtin_description data.
9589         (spu_expand_builtin_1): Use it.
9590
9591 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
9592
9593         PR target/38056
9594         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
9595         TARGET_CONST_GP.
9596
9597 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9598
9599         PR target/39149
9600         * config/i386/i386.c (override_options): Correct warning
9601         messages for -malign-loops, -malign-jumps and -malign-functions.
9602
9603 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9604
9605         PR target/39152
9606         * config/i386/i386.md: Restrict the new peephole2 to move
9607         between the general purpose registers.
9608
9609 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
9610
9611         PR target/39162
9612         * config/i386/i386.c (type_natural_mode): Add a new argument.
9613         Return the original mode and warn ABI change if vector size is 32byte.
9614         (function_arg_advance): Updated.
9615         (function_arg): Likewise.
9616         (ix86_function_value): Likewise.
9617         (ix86_return_in_memory): Likewise.
9618         (ix86_sol10_return_in_memory): Likewise.
9619         (ix86_gimplify_va_arg): Likewise.
9620         (function_arg_32): Don't warn ABX ABI change here.
9621         (function_arg_64): Likewise.
9622
9623 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
9624
9625         * loop-iv.c (implies_p): In the final case, test that operands 0
9626         of the two comparisons match.
9627
9628         * config/bfin/bfin.c (find_prev_insn_start): New function.
9629         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
9630         (find_next_insn_start): Move.
9631
9632 2009-02-13  Richard Guenther  <rguenther@suse.de>
9633
9634         * configure.ac: Enable LFS.
9635         * configure: Re-generate.
9636         * config.in: Likewise.
9637
9638 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
9639
9640         PR c/35444
9641         * c-parser.c (c_parser_parms_list_declarator): Discard pending
9642         sizes on syntax error after some arguments have been parsed.
9643
9644 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9645
9646         * doc/invoke.texi (-fira): Remove.
9647
9648 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9649
9650         * caller-save.c: Replace regclass.c with reginfo.c in comments.
9651         * recog.c: Likewise.
9652         * rtl.h: Likewise.
9653
9654 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
9655
9656         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
9657         (umul_ppmm): Likewise.
9658         (count_leading_zeros): Likewise.
9659         (count_trailing_zeros): Likewise.
9660         (UMUL_TIME): Likewise.
9661
9662 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9663
9664         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
9665         soft-fp/t-softfp to tmake_file.
9666
9667         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
9668         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
9669         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
9670         IA64_BUILTIN_INFQ]: New.
9671         (ia64_init_builtins): Initialize __builtin_infq,
9672         __builtin_fabsq and __builtin_copysignq if not HPUX.
9673         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
9674         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
9675
9676         * config/ia64/lib1funcs.asm (__divtf3): Define only if
9677         SHARED is defined.
9678         (__fixtfti): Likewise.
9679         (__fixunstfti): Likewise.
9680         (__floattitf): Likewise.
9681
9682         * config/ia64/libgcc-glibc.ver: New.
9683         * config/ia64/t-fprules-softfp: Likewise.
9684         * config/ia64/sfp-machine.h: Likewise.
9685
9686         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
9687         (LIBGCC2_TF_CEXT): Likewise.
9688         (TF_SIZE): Likewise.
9689         (TARGET_INIT_LIBFUNCS): Likewise.
9690
9691         * config/ia64/t-glibc (SHLINB_MAPFILES):
9692         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
9693
9694 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
9695
9696         * config/i386/i386.c (construct_container): Rewrite processing
9697         BLKmode with X86_64_SSE_CLASS.
9698
9699 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
9700
9701         PR target/39152
9702         * config/i386/i386.md: Replace simplify_replace_rtx with
9703         replace_rtx in the new peephole2.
9704
9705 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
9706
9707         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
9708         loop unrolling do not happen at -O2.
9709
9710 2009-02-12  Michael Matz  <matz@suse.de>
9711
9712         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
9713
9714 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
9715
9716         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
9717         for -g3.
9718
9719 2009-02-12  Ben Elliston  <bje@au.ibm.com>
9720
9721         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
9722         patterns when updating the back chain.  Missed in the 2009-02-10
9723         change.
9724
9725 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
9726
9727         * doc/extend.texi (Decimal Floating Types): Update identifier of
9728         draft TR and list of missing support.
9729
9730 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
9731
9732         PR middle-end/39154
9733         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
9734         bit to variable length decl's flags, add it also to its
9735         pointer replacement variable.
9736
9737 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
9738             Jakub Jelinek  <jakub@redhat.com>
9739
9740         PR target/39118
9741         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
9742         (memory_blockage): New expander.
9743         (*memory_blockage): New insn pattern.
9744         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
9745         instead of general blockage at the end of function prologue when
9746         frame pointer is used to access red zone area.  Do not emit blockage
9747         when profiling, it is emitted in generic code.
9748         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
9749         function epilogue when frame pointer is used to access red zone area.
9750
9751 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
9752
9753         PR target/38824
9754         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
9755         by arithmetic with memory operands.
9756         * config/i386/predicates.md (commutative_operator): New.
9757
9758 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
9759
9760         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
9761         bulleted lists.
9762
9763 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9764
9765         * alias.h (record_alias_subset): Declare.
9766         * alias.c (record_alias_subset): Make global.
9767
9768 2009-02-10  Nick Clifton  <nickc@redhat.com>
9769
9770         * tree-parloops.c: Change license to GPLv3.
9771         * ipa-struct-reorg.c: Change license to GPLv3.
9772         * ipa-struct-reorg.h: Change license to GPLv3.
9773
9774 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
9775
9776         PR c/39084
9777         * c-decl.c (start_struct): Return NULL on error.
9778
9779 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
9780
9781         PR middle-end/39124
9782         * cfgloopmanip.c (remove_path): Call remove_bbs after
9783         cancel_loop_tree, not before it.
9784
9785         PR target/39139
9786         * function.h (struct function): Add has_local_explicit_reg_vars bit.
9787         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
9788         VAR_DECLs were seen.
9789         * tree-ssa-live.c (remove_unused_locals): Recompute
9790         cfun->has_local_explicit_reg_vars.
9791         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
9792         copies or clearings if cfun->has_local_explicit_reg_vars.
9793
9794 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
9795
9796         PR target/39118
9797         * config/i386/i386.c (expand_prologue): Emit blockage at the end
9798         of function prologue when frame pointer is used to access
9799         red zone area.
9800
9801 2009-02-10  Richard Guenther  <rguenther@suse.de>
9802
9803         PR middle-end/39127
9804         * gimplify.c (gimple_regimplify_operands): Always look if
9805         we need to create a temporary.
9806
9807 2009-02-10  Richard Guenther  <rguenther@suse.de>
9808
9809         PR tree-optimization/39132
9810         * tree-loop-distribution.c (todo): New global var.
9811         (generate_memset_zero): Trigger TODO_rebuild_alias.
9812         (tree_loop_distribution): Return todo.
9813
9814 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
9815
9816         PR target/39119
9817         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
9818         (x86_64_reg_class_name): Removed.
9819         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
9820         first one isn't X86_64_SSE_CLASS or any other ones aren't
9821         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
9822         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
9823         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
9824         and 3 X86_64_SSEUP_CLASS.
9825         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
9826         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
9827
9828 2009-02-10  Ben Elliston  <bje@au.ibm.com>
9829
9830         * config/rs6000/rs6000.md (allocate_stack): Always use an update
9831         form instruction to update the stack back chain word, even if the
9832         user has disabled the generation of update instructions.
9833         (movdi_<mode>_update_stack): New.
9834         (movsi_update_stack): Likewise.
9835         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
9836         always use an update form instruction to update the stack back
9837         chain word.
9838
9839 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
9840
9841         PR middle-end/38953
9842         * graphite.c (if_region_set_false_region): After moving a region in
9843         the false branch of a condition, remove the empty dummy basic block.
9844         (gloog): Remove wrong fix for PR38953.
9845
9846 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9847
9848         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
9849         generation due to implicit sign extension.
9850
9851 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9852
9853         PR middle-end/38981
9854         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
9855         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
9856
9857 2009-02-09  Richard Guenther  <rguenther@suse.de>
9858
9859         PR middle-end/35202
9860         * convert.c (convert_to_real): Disable (float)fn((double)x)
9861         to fnf(x) conversion if errno differences may occur and
9862         -fmath-errno is set.
9863
9864 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
9865
9866         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
9867         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9868         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9869
9870 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9871
9872         PR c/35434
9873         * c-common.c (handle_alias_attribute): Disallow attribute for
9874         anything not a FUNCTION_DECL or VAR_DECL.
9875
9876 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
9877
9878         PR c/39035
9879         * real.c (do_compare): Special-case compare of zero against
9880         decimal float value.
9881
9882 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
9883
9884         PR c/36432
9885         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
9886         as indicating flexible array members unless the field itself is
9887         being declarared as the incomplete array.
9888
9889 2009-02-06  Jan Hubicka  <jh@suse.cz>
9890
9891         PR tree-optimization/38844
9892         * ipa-inline.c (try_inline): Stop inlining recursion when edge
9893         is already inlined.
9894
9895 2009-02-06  Richard Guenther  <rguenther@suse.de>
9896
9897         PR middle-end/38977
9898         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
9899         fork because we may expand it as __gcov_fork.
9900
9901 2009-02-06  Nick Clifton  <nickc@redhat.com>
9902
9903         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
9904
9905 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
9906
9907         PR tree-optimization/35659
9908         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
9909         vn_phi_eq): Shortcut if hashcode does not match.
9910         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
9911         NULL operands.
9912         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
9913         and avoid iterative_hash_expr.
9914         (FOR_EACH_VALUE_ID_IN_SET): New.
9915         (value_id_compare): Remove.
9916         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
9917         sort expressions by value id.
9918
9919 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
9920
9921         PR target/38991
9922         * config/sh/predicates.md (general_movsrc_operand): Don't check
9923         the subreg of system registers here.
9924
9925 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
9926
9927         PR c++/39106
9928         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
9929         on the copied decl.
9930
9931 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
9932
9933         PR rtl-optimization/39110
9934         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
9935         addresses, not aligned ones.
9936
9937 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
9938             Richard Guenther  <rguenther@suse.de>
9939
9940         PR tree-optimization/39100
9941         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
9942         comment says and add edges.
9943
9944 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
9945
9946         PR c/35435
9947         * c-common.c (handle_tls_model_attribute): Ignore attribute for
9948         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
9949
9950 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
9951
9952         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
9953         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
9954         register_bb_in_sese, new_sese, free_sese): Moved.
9955         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
9956         outermost_loop_in_scop, build_scop_iteration_domain,
9957         expand_scalar_variables_ssa_name, get_vdef_before_scop,
9958         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
9959         Use loop_in_sese_p instead of loop_in_scop_p.
9960         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
9961         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
9962         (scopdet_basic_block_info): Fix bug in scop detection.
9963         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
9964         eq_loop_to_cloog_loop): Remove.
9965         (nb_loops_around_loop_in_scop, nb_loop
9966         ref_nb_loops): Moved here...
9967         * graphite.h (ref_nb_loops): ... from here.
9968         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
9969         (loop_domain_dim, loop_iteration_vector_dim): Remove.
9970         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
9971         * testsuite/gcc.dg/graphite/scop-19.c: New
9972
9973 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
9974             Hans-Peter Nilsson  <hp@axis.com>
9975
9976         PR rtl-optimization/37889
9977         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
9978         Move offset handling from PLUS to before the switch.  Use new
9979         arguments when considering SYMBOL_REFs too.
9980         (rtx_addr_can_trap_p): Pass dummy offset and size.
9981         (enum may_trap_p_flags): Remove.
9982         (may_trap_p_1): Pass size from MEM_SIZE.
9983
9984         PR rtl-optimization/38921
9985         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
9986         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
9987         * rtlanal.c (may_trap_after_code_motion_p): Delete.
9988         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
9989
9990 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
9991
9992         AVX Programming Reference (January, 2009)
9993         * config/i386/sse.md (*vpclmulqdq): New.
9994
9995 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
9996
9997         PR tree-optimization/38977
9998         PR gcov-profile/38292
9999         * calls.c (special_function_p): Disregard __builtin_ prefix.
10000
10001 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10002
10003         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10004         non-indexable addresses even before reload.
10005
10006 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10007
10008         PR c/29129
10009         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10010         as having variable size.  Do not give an error for unnamed
10011         parameters with [*] declarators.  Give a warning for type names
10012         with [*] declarators and mark them as variable size.
10013         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10014         for sizeof applied to [*] type names.
10015
10016 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10017
10018         PR C++/36607
10019         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10020
10021 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10022
10023         * gcc.c (process_command): Update copyright notice dates.
10024         * gcov.c (print_version): Likewise.
10025         * gcov-dump.c (print_version): Likewise.
10026         * mips-tfile.c (main): Likewise.
10027         * mips-tdump.c (main): Likewise.
10028
10029 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10030
10031         PR c/35433
10032         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10033         for composite type involving a zero-length array type.
10034
10035 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10036
10037         PR target/35318
10038         * function.c (match_asm_constraints_1): Skip over
10039         initial optional % in the constraint.
10040
10041         PR inline-asm/39059
10042         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10043         supported, don't accept FIXED_CSTs.
10044         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10045         and _Sat is used without _Fract/_Accum.  Set specs->type to
10046         integer_type_node for cts_fract/cts_accum if fixed point is not
10047         supported.
10048
10049 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10050
10051         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10052
10053 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10054
10055         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10056         (ABI_HAS_64BIT_SYMBOLS): Use it.
10057         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10058
10059 2009-02-02  Paul Brook  <paul@codesourcery.com>
10060
10061         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10062
10063 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10064
10065         PR inline-asm/39058
10066         * recog.h (asm_operand_ok): Add constraints argument.
10067         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10068         recurse on matching constraint.
10069         (check_asm_operands): Pass constraints as 3rd argument to
10070         asm_operand_ok.  Don't look up matching constraint here.
10071         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10072         to asm_operand_ok.
10073
10074 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10075
10076         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10077         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10078
10079 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10080
10081         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10082         information.  Remove some obsolete information.  Reorganize.
10083
10084         * config/pa/fptr.c: Revert license to GPL 2.
10085         * config/pa/milli64.S: Likewise.
10086
10087 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10088
10089         PR target/38904
10090         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10091         LIBRARY name in, instead of hard-coding it.
10092         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10093         extra target make frag to tmake_files according to EH model.
10094         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10095         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10096         frags that define makefile variable EH_MODEL appropriately.
10097         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10098         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10099         to "-sjlj" according to type of EH configured.
10100         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10101         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10102         to "_sjlj" according to type of EH configured.
10103         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10104         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10105         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10106         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10107         string value of "pe_dll" command-line option.
10108         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10109         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10110         (SHLIB_IMPLIB):  Override t-cygming default.
10111         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10112         string value of "pe_dll" command-line option.
10113
10114 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10115
10116         PR target/38952
10117         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10118         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10119
10120 2009-01-31  Richard Guenther  <rguenther@suse.de>
10121
10122         PR tree-optimization/38937
10123         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10124         computing the transitive closure.
10125
10126 2009-01-30  Richard Guenther  <rguenther@suse.de>
10127
10128         PR tree-optimization/39041
10129         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10130         Propagate variable indices only if the types match for this stmt.
10131
10132 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10133
10134         PR target/39013
10135         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10136         inline but never defined.
10137
10138 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10139
10140         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10141         (*insv_h_di_reg_extimm): New insn.
10142         (*insv_l<mode>_reg_extimm): New insn.
10143
10144 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10145
10146         * config/picochip/picochip.c (flag_conserve_stack): set
10147         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10148         fconserve-stack. Reduce call-overhead used by inliner.
10149
10150 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10151
10152         PR/38157
10153         * common.opt (flag_conserve_stack): Initialised to zero.
10154
10155 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10156
10157         PR/39002
10158         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10159         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10160         method.
10161
10162 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10163
10164         * ira-color.c (allocno_reload_assign): Update comments.
10165         * regmove.c (regmove_optimize): Likewise.
10166
10167         * ra.h: Removed.
10168
10169 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10170
10171         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10172         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10173         `MD_UNWIND_SUPPORT'.
10174         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10175
10176 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10177
10178         PR tree-optimization/39007
10179         * tree-loop-distribution.c (generate_builtin): Use
10180         recompute_dominator to compute the immediate dominator of the
10181         basic block just after the loop.
10182
10183 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10184
10185         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10186         (ASM_OUTPUT_DWARF_PCREL): Define.
10187
10188 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10189
10190         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10191         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10192         global.  Modify entries about regmove and IRA.
10193
10194         * ra-conflict.c: Remove the file.
10195
10196         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10197
10198         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10199         (pass_regclass_init): Rename to pass_reginfo_init.
10200
10201         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10202
10203         * toplev.h (flag_ira): Remove.
10204
10205         * caller-save.c (setup_save_areas): Remove flag_ira.
10206
10207         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10208
10209         * global.c: Remove the file.
10210
10211         * opts.c (decode_options): Remove flag_ira.
10212
10213         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10214
10215         * regmove.c: Modify file description.
10216         (find_use_as_address, try_auto_increment): Define them only if
10217         AUTO_INC_DEC is defined.
10218         (replacement_quality, replace_in_call_usage, fixup_match_1,
10219         stable_and_no_regs_but_for_p): Remove.
10220         (reg_set_in_bb): Make it static.
10221         (regmove_optimize): Remove flag_ira and code which worked for
10222         !flag_ira.
10223
10224         * local-alloc.c: Remove the file.
10225
10226         * common.opt (fira): Remove.
10227
10228         * ira.c: Include except.h.
10229         (eliminable_regset): Move from global.c.
10230         (mark_elimination): Ditto.  Remove flag_ira.
10231         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10232         equiv_mem_modified, validate_equiv_mem_from_store,
10233         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10234         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10235         no_equiv, recorded_label_ref): Move from local-alloc.c.
10236         (update_equiv_regs): Ditto.  Make it static.
10237         (print_insn_chain, print_insn_chains): Move it from global.c.
10238         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10239         (build_insn_chain): Ditto.  Make it static.
10240         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10241         Rename to init_live_subregs.
10242         (gate_ira): Remove flag_ira.
10243
10244         * regclass.c: Rename reginfo.c.  Change file description.
10245         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10246         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10247         (init_reg_sets_1): Remove code for evaluation of
10248         reg_class_superclasses and losing_caller_save_reg_set.
10249         (init_regs): Remove init_reg_autoinc.
10250         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10251         ok_for_base_p_nonstrict): Remove.
10252         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10253         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10254         corresponding entries.
10255         (dump_regclass, record_operand_costs, scan_one_insn,
10256         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10257         record_address_regs, auto_inc_dec_reg_p): Remove.
10258         (gt-regclass.h): Rename to gt-reginfo.h.
10259
10260         * rtl.h (dump_global_regs, retry_global_alloc,
10261         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10262
10263         * Makefile.in (RA_H): Remove.
10264         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10265         Rename regclass.o to reginfo.o.
10266         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10267         gt-reginfo.h.
10268         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10269         (GTFILES): Rename regclass.c to reginfo.c.
10270
10271         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10272         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10273
10274         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10275         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10276         Remove flag_ira.
10277         (finish_spills): Ditto.  Remove code for !flag_ira.
10278
10279 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10280
10281         PR middle-end/35854
10282         * doc/invoke.texi (rtl debug options): Complete rewrite.
10283         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10284         to auto_inc_dec".
10285         * mode-switching.c (pass_mode_switching): Rename pass from
10286         "mode-sw" to "mode_sw".
10287         * except.c (pass_convert_to_eh_ranges): Rename pass from
10288         "eh-ranges" to "eh_ranges".
10289         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10290         to "subreg1".
10291
10292
10293 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10294             Alexander Monakov  <amonakov@ispras.ru>
10295
10296         PR middle-end/38857
10297         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10298         register.
10299         (move_exprs_to_boundary): Change return type and pass through
10300         should_move from move_op.  Relax assert.  Update usage ...
10301         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10302         cant_move.
10303         (move_op_orig_expr_found): Indicate that insn was disconnected from
10304         stream.
10305         (code_motion_process_successors): Do not call after_merge_succs
10306         callback if original expression was not found when traversing any of
10307         the branches.
10308         (code_motion_path_driver): Change return type.  Update prototype.
10309         (move_op): Update comment.  Add a new parameter (should_move).  Update
10310         prototype.  Set *should_move based on indication provided by
10311         move_op_orig_expr_found.
10312
10313 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10314
10315         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10316         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10317         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10318         * config/rs6000/rs6000.c (rs6000_override_options): Default
10319         avoid-indexed-addresses on for Power6, off for everything else.
10320         (avoiding_indexed_address_p): New function.
10321         (rs6000_legitimize_address): Use it.
10322         (rs6000_legitimate_address): Likewise.
10323         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10324
10325 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10326
10327         PR tree-optimization/38997
10328         * tree-loop-distribution.c (generate_memset_zero): Use
10329         POINTER_PLUS_EXPR for a pointer addition.
10330
10331 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10332
10333         * config/s390/s390.md (bswap<mode>2): New pattern added.
10334
10335 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10336
10337         * config/s390/s390.md (*tls_load_31): Added type attribute.
10338
10339 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10340
10341         * config/s390/s390.md: Fix a few comments.
10342
10343 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10344
10345         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10346         (*tm<mode>_full): Fixed z10prop attribute.
10347         (*tst<mode>_extimm): Fixed z10prop attribute.
10348         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10349         (*tstqiCCT_cconly): Fixed z10prop attribute.
10350         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10351         (*movsi_larl): Fixed z10prop attribute.
10352         (*movsi_zarch): Fixed z10prop attribute.
10353         (*movsi_eas): Fixed z10prop attribute.
10354         (*movhi): Fixed z10prop attribute.
10355         (*movqi): Fixed z10prop attribute.
10356         (*movstrictqi): Fixed z10prop attribute.
10357         (*mov<mode>): Fixed z10prop attribute.
10358         (*movcc): Fixed z10prop attribute.
10359         (*sethighpartdi_64): Fixed z10prop attribute.
10360         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10361         (*negdi2_sign_cc): Fixed z10prop attribute.
10362         (*negdi2_sign): Fixed z10prop attribute.
10363         (*absdi2_sign_cc): Fixed z10prop attribute.
10364         (*absdi2_sign): Fixed z10prop attribute.
10365         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10366         (*negabsdi2_sign): Fixed z10prop attribute.
10367         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10368         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10369         (doloop_si64): Fixed z10prop attribute.
10370         (doloop_si31): Fixed z10prop attribute.
10371         (doloop_long): Fixed z10prop attribute.
10372         (indirect_jump): Fixed z10prop attribute.
10373         (nop): Fixed z10prop attribute.
10374         (main_base_64): Fixed z10prop attribute.
10375         (reload_base_64): Fixed z10prop attribute.
10376
10377 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10378
10379         PR rtl-optimization/38740
10380         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10381         if !optimize.
10382         * config/mips/mips.c (mips_reorg): Likewise.
10383
10384 2009-01-28  Richard Guenther  <rguenther@suse.de>
10385
10386         PR tree-optimization/38926
10387         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10388         with the correct value id to a value.
10389         (do_regular_insertion): Use the value number of edoubleprime
10390         for the value number of the expr.
10391
10392         Revert
10393         2008-08-21  Richard Guenther  <rguenther@suse.de>
10394
10395         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10396         a PHI ask VN if it is already available.
10397         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
10398         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
10399
10400 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10401
10402         PR middle-end/38934
10403         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
10404         set to varying whenever max has TREE_OVERFLOW set, similarly
10405         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
10406
10407 2009-01-28  Richard Guenther  <rguenther@suse.de>
10408
10409         PR middle-end/38908
10410         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
10411         uninitialized aggregate uses in call arguments.
10412
10413 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
10414
10415         PR tree-optimization/38984
10416         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
10417         the nothing_id variable if -fno-delete-null-pointer-checks.
10418
10419 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
10420
10421         PR target/38988
10422         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
10423         (set_got_offset_rex64): Ditto.
10424
10425 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10426
10427         PR target/38941
10428         * doc/extend.texi: Improve local variable with asm reg.
10429
10430 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
10431
10432         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
10433         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
10434         was not supplied then set warn_packed_bitfield_compat to the
10435         default value of 1.
10436         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
10437         against 1.
10438
10439 2009-01-27  Richard Guenther  <rguenther@suse.de>
10440
10441         PR tree-optimization/38503
10442         * cfgexpand.c (expand_gimple_basic_block): Ignore
10443         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
10444         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
10445         variables that cannot have TBAA applied.
10446         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
10447         statements.
10448
10449 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
10450
10451         PR middle-end/38969
10452         * calls.c (initialize_argument_information): Do not wrap complex
10453         arguments in SAVE_EXPR.
10454
10455 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
10456
10457         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
10458         (INSTALL_LIBGCC): Revert typo commit.
10459
10460 2009-01-26  Richard Guenther  <rguenther@suse.de>
10461
10462         PR tree-optimization/38745
10463         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
10464         from special handling.
10465
10466 2009-01-26  Richard Guenther  <rguenther@suse.de>
10467
10468         PR tree-optimization/38745
10469         * tree-ssa.c (execute_update_addresses_taken): Do not include
10470         variables that cannot possibly be a register in not_reg_needs.
10471         Do not clear TREE_ADDRESSABLE on vars that may not become
10472         registers.
10473         * tree-ssa.c (update_alias_info_1): Include those in the set
10474         of addressable vars.
10475
10476 2009-01-26  Richard Guenther  <rguenther@suse.de>
10477
10478         PR middle-end/38851
10479         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
10480         * tree-ssa-dse.c: Include langhooks.h
10481         (execute_simple_dse): Remove stores with zero size.
10482
10483 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
10484
10485         PR c/38957
10486         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
10487         as PLUS_EXPR.
10488
10489 2009-01-24  Julian Brown  <julian@codesourcery.com>
10490
10491         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
10492         config/arm/linux-atomic.c.
10493         * config/arm/linux-atomic.c: New.
10494
10495 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
10496
10497         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
10498         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
10499         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
10500
10501 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
10502
10503         PR c/38938
10504         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
10505         properly.
10506
10507 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
10508
10509         PR tree-optimization/38953
10510         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
10511         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
10512         (gloog): Split the exit of the scop when the scop exit is a loop exit.
10513         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
10514         changed the CFG.
10515
10516 2009-01-24  Paul Brook  <paul@codesourcery.com>
10517
10518         * config/arm/neon.md (neon_type): Move to arm.md.
10519         (neon_mov<VSTRUCT>): Add neon_type attribute.
10520         * config/arm/arm.md (neon_type): Move to here.
10521         (conds): Add "unconditioal" and use as default for NEON insns.
10522
10523 2009-01-24  Ben Elliston  <bje@au.ibm.com>
10524
10525         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
10526         void *' warning from -Wc++-compat.
10527         * Makefile.in (dominance.o-warn): Remove.
10528
10529 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
10530
10531         PR tree-optimization/38932
10532         * fold-const.c (fold_unary_ignore_overflow): New.
10533         * tree.h (fold_unary_ignore_overflow): Declare.
10534         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
10535         * tree-ssa-sccvn.c (visit_reference_op_load,
10536         simplify_unary_expression): Likewise.
10537
10538 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
10539
10540         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
10541         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
10542         regardless of their type.
10543         * c-common.c (handle_packed_attribute): Don't ignore packed on
10544         bitfields.
10545         * c.opt (Wpacked-bitfield-compat): New warning option.
10546         * stor-layout.c (place_field): Warn if offset of a field changed.
10547         * doc/extend.texi (packed): Mention the ABI change.
10548         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
10549         (Warning Options): Add it to the list.
10550
10551 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
10552
10553         * c-opts.c (c_common_post_options): Fix a typo in comments.
10554
10555 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
10556
10557         PR middle-end/38615
10558         * gimplify.c (gimplify_init_constructor): Fix promotion of const
10559         variables to static.
10560         * doc/invoke.texi (-fmerge-all-constants): Update description.
10561
10562 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
10563
10564         PR target/38931
10565         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
10566         (*movdi_1_rex64): Use type "mmx" for alternative 5.
10567
10568 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
10569
10570         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
10571         a word boundary.
10572         (LOCAL_ALIGNMENT): Similarly.
10573
10574 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10575             Joseph Myers  <joseph@codesourcery.com>
10576
10577         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
10578         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
10579         * config/arm/arm-tune.md: Regenerate.
10580         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
10581         -march=iwmmxt2.
10582
10583 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
10584
10585         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
10586         version number to five.
10587
10588 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
10589
10590         PR c++/38930
10591         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
10592         * c-common.c (set_underlying_type): Likewise.
10593         (is_typedef_decl ): Likewise
10594         * tree.h: Likewise
10595         (set_underlying_type): Likewise.
10596         (is_typedef_type): Likewise.
10597
10598 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
10599
10600         PR middle-end/38587
10601         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
10602         crossing setjmps.
10603
10604 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10605
10606         PR bootstrap/37660
10607         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
10608         (LIBGCC_SPEC):  Don't define.
10609         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
10610
10611 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
10612
10613         PR rtl-optimization/38879
10614         * alias.c (base_alias_check): Unaligned access via AND address can
10615         alias all surrounding object types except those with sizes equal
10616         or wider than the size of unaligned access.
10617
10618 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
10619
10620         PR c++/26693
10621         * c-decl.c (clone_underlying_type): Move this ...
10622         * c-common.c (set_underlying_type): ... here.
10623         Also, make sure the function properly sets TYPE_STUB_DECL() on
10624         the newly created typedef variant type.
10625         (is_typedef_decl ): New entry point.
10626         * tree.h: Added a new member member_types_needing_access_check to
10627         struct tree_decl_non_common.
10628         (set_underlying_type): New entry point.
10629         (is_typedef_type): Likewise.
10630
10631 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
10632
10633         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
10634         Check whether two instructions have memory references that
10635         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
10636         are helper functions for traversing.
10637         * alias.h (insn_alias_sets_confilict_p): New prototypes.
10638         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
10639         not to draw dependency edge for instructions with non-conflicting
10640         alias sets.
10641
10642 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
10643
10644         PR other/38758
10645         * longlong.h: Update copyright years.  Use soft-fp license notice.
10646         Sync __clz_tab declaration with glibc.
10647
10648 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
10649
10650         PR target/30687
10651         * doc/extend.texi (syscall_linkage): New.
10652         (version_id): Modify.
10653
10654 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10655             Richard Guenther  <rguenther@suse.de>
10656
10657         PR tree-optimization/38747
10658         PR tree-optimization/38748
10659         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
10660         conversion if the base address is an indirect reference and the
10661         aliasing sets could cause issues.
10662
10663 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10664
10665         * common.opt (fgraphite, fgraphite-identity): Add comment for
10666         explaining why these options are not documented.
10667
10668 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
10669
10670         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
10671         gimple_call_lhs is NULL.
10672
10673 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
10674
10675         PR target/38868
10676         * emit-rtl.c (adjust_address_1): Make sure memref is never
10677         overwritten.
10678
10679 2009-01-20  Ben Elliston  <bje@au.ibm.com>
10680
10681         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10682         const qualifier from arg parameter. Remove unnecessary cast to char *.
10683         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10684         const qualifier from arg 2.
10685
10686 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
10687
10688         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
10689
10690 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
10691
10692         PR c/38869
10693         * rtl.h (reinit_regs): New prototype.
10694         * regclass.c: Include ira.h.
10695         (reinit_regs): New.
10696         * Makefile.in (regclass.o): Add ira.h.
10697         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
10698
10699 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
10700
10701         PR target/38736
10702         * c-common.c (handle_aligned_attribute): Use
10703         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
10704         default alignment value.
10705
10706         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
10707
10708         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
10709         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
10710
10711         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
10712         __BIGGEST_ALIGNMENT__.
10713
10714         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
10715
10716 2009-01-18  Richard Guenther  <rguenther@suse.de>
10717
10718         PR tree-optimization/38819
10719         * tree-flow.h (operation_could_trap_helper_p): Declare.
10720         * tree-eh.c (operation_could_trap_helper_p): Export.
10721         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
10722         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
10723         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
10724         are about to insert a possibly trapping instruction and fail
10725         in this case.
10726
10727 2009-01-18  Andreas Schwab  <schwab@suse.de>
10728
10729         * doc/install.texi (Configuration): Remove obsolete paragraph
10730         about use of --with-gnu-ld with --with-gnu-as.
10731
10732 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
10733
10734         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
10735         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
10736         Follow spelling conventions.
10737
10738 2009-01-18  Ben Elliston  <bje@au.ibm.com>
10739
10740         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
10741         C++ warning about implicit conversion from void * to struct
10742         bitmap_head_def *.
10743         (bitmap_obstack_free): Likewise for bitmap_element *.
10744         * Makefile.in (bitmap.o-warn): Remove.
10745
10746 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
10747
10748         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
10749
10750 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
10751             Tobias Grosser  <tobi.grosser@amd.com>
10752
10753         * graphite.c (graphite_trans_scop_block): Do not block single
10754         nested loops.
10755
10756 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
10757
10758         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
10759         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
10760         test with assertion.
10761
10762 2009-01-16  Richard Guenther  <rguenther@suse.de>
10763
10764         PR tree-optimization/38835
10765         PR middle-end/36227
10766         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
10767         and INT + PTR -> (INT)(PTR p+ INT) folding.
10768         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
10769
10770 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
10771
10772         PR target/38554
10773         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
10774         the subreg from a lowpart subreg if it is also casting the value.
10775
10776 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10777             Tobias Grosser  <tobi.grosser@amd.com>
10778
10779         * graphite.c (compare_prefix_loops): New.
10780         (build_scop_canonical_schedules): Rewritten.
10781         (graphite_transform_loops): Move build_scop_canonical_schedules
10782         after build_scop_iteration_domain.
10783
10784 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
10785             Tobias Grosser  <tobi.grosser@amd.com>
10786
10787         * graphite.c (add_conditions_to_domain): Add the loops to
10788         the dimension of the iteration domain.  Do copy the domain
10789         only when it exists.
10790         (build_scop_conditions_1): Do not call add_conditions_to_domain.
10791         (add_conditions_to_constraints): New.
10792         (can_generate_code_stmt, can_generate_code): Removed.
10793         (gloog): Do not call can_generate_code.
10794         (graphite_transform_loops): Call add_conditions_to_constraints
10795         after building the iteration domain.
10796
10797 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
10798
10799         PR tree-optimization/38789
10800         * tree-ssa-threadedge.c
10801         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
10802         __builtin_constant_p.
10803
10804 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
10805
10806         * dce.c (delete_unmarked_insns): Reversed the order that insns are
10807         examined before deleting them.
10808
10809 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
10810
10811         * function.c (aggregate_value_p): Correctly extract the function
10812         type from CALL_EXPR_FN lookup.
10813
10814 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10815
10816         * config/picochip/picochip.c (picochip_override_options): Revert
10817         CFI asm flag disable commited previously.
10818
10819 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
10820             Tobias Grosser  <tobi.grosser@amd.com>
10821             Jan Sjodin  <jan.sjodin@amd.com>
10822
10823         * graphite.c (scan_tree_for_params): On substractions negate
10824         all the coefficients of the term.
10825         (clast_to_gcc_expression_red): New.  Handle reduction expressions
10826         of more than two operands.
10827         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
10828         (get_vdef_before_scop): Handle also the case of default definitions.
10829
10830 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
10831
10832         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
10833         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
10834         Also use them when walking CALL_INSN_FUNCTION_USAGE.
10835
10836 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
10837             Joey Ye  <joey.ye@intel.com>
10838
10839         PR middle-end/37843
10840         * cfgexpand.c (expand_stack_alignment): Don't update stack
10841         boundary nor check incoming stack boundary here.
10842         (gimple_expand_cfg): Update stack boundary and check incoming
10843         stack boundary here.
10844
10845 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
10846
10847         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
10848
10849 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
10850
10851         PR rtl-optimization/38245
10852         * calls.c (expand_call): Add stack arguments to
10853         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10854         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
10855         in regs and partially in memory or BLKmode arguments.
10856         (emit_library_call_value_1): Add stack arguments to
10857         CALL_INSN_FUNCTION_USAGE even for pure calls (when
10858         ACCUMULATE_OUTGOING_ARGS).
10859         * dce.c: Include tm_p.h.
10860         (find_call_stack_args): New function.
10861         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
10862         argument.
10863         (mark_insn): Call find_call_stack_args for CALL_Ps.
10864         (prescan_insns_for_dce): Walk insns backwards in bb rather than
10865         forwards.  Allocate and free arg_stores bitmap if needed, pass it
10866         down to deletable_insn_p, don't mark stores set in arg_stores
10867         bitmap, clear the bitmap at the beginning of each bb.
10868         * Makefile.in (dce.o): Depend on $(TM_P_H).
10869
10870 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
10871
10872         PR target/22599
10873         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
10874         to make sure the insn is a conditional test (bug 22599).  Reformat a
10875         few long lines.
10876
10877 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
10878
10879         PR middle-end/38431
10880         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
10881         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
10882         (gloog): Do not call cleanup_tree_cfg.
10883         (graphite_transform_loops): Call cleanup_tree_cfg after all
10884         scops have been code generated.
10885
10886 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
10887         * doc/gty.texi (Invoking the garbage collector): Added new node
10888         and section documenting ggc_collect.
10889
10890 2009-01-14  Richard Guenther  <rguenther@suse.de>
10891
10892         PR tree-optimization/38826
10893         PR middle-end/38477
10894         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
10895         initialization notes only if we actually emitted a warning.
10896         (intra_create_variable_infos): Add constraints for a result decl
10897         that is passed by hidden reference.
10898         (build_pred_graph): Mark all related variables non-direct on
10899         address-taking.
10900
10901 2009-01-14  Nick Clifton  <nickc@redhat.com>
10902
10903         * ira-conflicts.c: Include addresses.h for the definition of
10904         base_reg_class.
10905         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
10906         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
10907
10908 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
10909
10910         PR target/38811
10911         * Makefile.in (ira-lives.o): Add except.h.
10912
10913         * ira-lives.c: Include except.h.
10914         (process_bb_node_lives): Process can_throw_internal.
10915
10916 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
10917
10918         PR rtl-optimization/38774
10919         * combine.c (simplify_set): When undoing cc_use change, don't do
10920         PUT_CODE on the newly created comparison, but instead put back the
10921         old comparison.
10922
10923 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
10924
10925         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
10926         values.  Remove duplicate arm8 entry.
10927
10928 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10929
10930         PR tree-optimization/38786
10931         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
10932         the SSA_NAME case of expand_scalar_variables_expr.
10933         Set the type of an expression to the type of its assign statement.
10934         (expand_scalar_variables_expr): Also gather the scalar computation
10935         used to index the memory access.  Do not pass loop_p.
10936         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
10937         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
10938         the gimple_stmt_iterator where it inserts new code.
10939         Do not pass loop_p.
10940         (copy_bb_and_scalar_dependences): Do not pass loop_p.
10941         (translate_clast): Update call to copy_bb_and_scalar_dependences.
10942
10943 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
10944
10945         * graphite.h (debug_value): Removed.
10946         * graphite.c (debug_value): Removed.
10947
10948 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10949
10950         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
10951         ldrd/strd with two 32-bit instructions.
10952
10953 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
10954
10955         * config/arm/arm.c (struct processors): Pass for speed down into
10956         cost helper functions.
10957         (const_ok_for_op): Handle COMPARE and inequality nodes.
10958         (arm_rtx_costs_1): Rewrite.
10959         (arm_size_rtx_costs): Update prototype.
10960         (arm_rtx_costs): Pass speed down to helper functions.
10961         (arm_slowmul_rtx_costs): Rework cost calculations.
10962         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
10963         (arm_9e_rtx_costs): Likewise.
10964
10965 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
10966
10967         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
10968         relocations of local symbols wider than UNITS_PER_WORD are not valid.
10969         (alpha_legitimize_address): Do not split local symbols wider than
10970         UNITS_PER_WORD into HIGH/LO_SUM parts.
10971
10972 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
10973
10974         PR bootstrap/38580
10975         * gcc.c (process_command): Replace call to execvp with calls
10976         to pex_one and exit.
10977
10978 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
10979
10980         PR target/29141
10981         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
10982         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
10983         variant for devices with 3-byte PC.
10984         (__tablejump_elpm__): New.
10985
10986 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
10987
10988         PR c/32041
10989         * c-parser.c (c_parser_postfix_expression): Allow `->' in
10990         offsetof member-designator, handle it as `[0].'.
10991
10992 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10993
10994         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
10995         function when not using named sections on targets with named sections
10996         if branch distance is less than 262132.
10997
10998 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
10999
11000         * combine.c (combine_instructions):  Recompute
11001         optimize_this_for_speed_p  for each BB in the main combine loop.
11002
11003 2009-01-12  Tomas Bily  <tbily@suse.cz>
11004
11005         PR middlend/38385
11006         * tree-loop-distribution.c (prop_phis): New function.
11007         (generate_builtin): Call prop_phis.
11008         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11009
11010 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11011
11012         PR tree-optimization/38807
11013         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11014         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11015
11016 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11017
11018         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11019         subreg of op0 to the original op0.
11020
11021 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11022
11023         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11024
11025 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11026
11027         PR debug/7055
11028         * mips-tfile.c (parse_def): Fix parsing of def strings
11029         starting with digits.
11030
11031 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11032
11033         PR target/38695
11034         * config/arm/arm.c (arm_is_long_call_p): Don't call
11035         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11036
11037 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11038
11039         * regrename.c (regrename_optimize): Fix dumping.
11040         (find_oldest_value_reg): Preserve REG_POINTER.
11041         (copy_hardreg_forward_1): Likewise.
11042
11043 2009-01-09  Diego Novillo  <dnovillo@google.com>
11044
11045         * gimple.h (struct gimple_statement_base) <uid>: Document
11046         the restrictions on its use.
11047         (gimple_uid): Tidy.
11048         (gimple_set_uid): Tidy.
11049
11050 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11051
11052         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11053         zero guard even if align_bytes != 0 and count is smaller than
11054         size_needed.
11055
11056 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11057
11058         PR rtl-optimization/38495
11059         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11060         (add_range_and_copies_from_move_list): Print all added ranges.
11061         Add ranges to memory optimized destination.
11062
11063 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11064
11065         PR target/38686
11066         PR target/38708
11067         * config/i386/i386.c (override_options): Reject
11068         -mstringop-strategy=rep_8byte with -m32.
11069         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11070         to 1.  Do count comparison against epilogue_size_needed at compile
11071         time even when count_exp was constant forced into register.  For
11072         size_needed don't jump to epilogue, instead just avoid aligning
11073         and invoke the body algorithm.  If need_zero_guard, add zero guard
11074         even if count is non-zero, but smaller than size_needed + number of
11075         bytes that could be stored for alignment.
11076         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11077         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11078         but smaller than size_needed + number of bytes that could be stored
11079         for alignment.  Compare size_needed with epilogue_size_needed instead
11080         of desired_align - align, don't adjust size_needed, pass
11081         epilogue_size_needed to the epilogue expanders.
11082
11083         PR c/35742
11084         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11085
11086 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11087
11088         * pa.c (last_address): Change to unsigned.
11089         (update_total_code_bytes): Change argument to unsigned.  Don't
11090         check if insn addresses are set.
11091         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11092         addresses are not set.
11093         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11094
11095 2009-01-09  Nick Clifton  <nickc@redhat.com>
11096
11097         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11098         DECL_DECLARED_INLINE_P.
11099
11100 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11101
11102         PR middle-end/38347
11103         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11104         GET_MODE (op0) in operand_subword_force calls.
11105
11106         PR middle-end/38771
11107         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11108         fold_convert arg0 operands to TREE_TYPE (op0) first.
11109
11110 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11111
11112         * params.def (ira-max-conflict-table-size): Decrease default value
11113         to 1000.
11114
11115 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11116
11117         PR tree-optimization/37031
11118         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11119         on parameter_set.
11120         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11121         allocate it using gc instead of heap, use VEC_quick_push instead of
11122         VEC_safe_push.
11123         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11124         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11125         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11126         allocated vector from heap allocated.
11127         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11128         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11129         vector only after perfect_loop_nest_depth call.
11130
11131 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11132             Jan Sjodin  <jan.sjodin@amd.com>
11133
11134         PR tree-optimization/38559
11135         * graphite.c (debug_value, copy_constraint,
11136         swap_constraint_variables, scale_constraint_variable, ): New.
11137         (get_lower_bound, get_upper_bound): Removed.
11138         (graphite_trans_bb_strip_mine): Clean up this code that works
11139         only for constant number of iterations.  Fully copy upper and
11140         lower bound constraints, not only the constant part of them.
11141         * graphite.h (debug_value): Declared.
11142
11143 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11144
11145         PR tree-optimization/37194
11146         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11147         Don't add the cost of cost model guard in prologue to scalar
11148         outside cost in case of known number of iterations.
11149
11150 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11151             Alan Modra  <amodra@bigpond.net.au>
11152
11153         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11154         non-word-aligned REG+CONST addressing.
11155
11156 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11157
11158         PR target/38706
11159         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11160         free_after_compilation when outputting a thunk.
11161         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11162         Do not call free_after_compilation here.
11163
11164 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11165
11166         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11167         (ix86_valid_target_attribute_inner_p): Ditto.
11168
11169 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11170
11171         PR tree-optimization/38492
11172         PR tree-optimization/38498
11173         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11174         * tree-chrec.h (scev_is_linear_expression): Declared.
11175         * graphite.c (graphite_cannot_represent_loop_niter): New.
11176         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11177         (graphite_loop_normal_form): Use gcc_assert.
11178         (scan_tree_for_params): Use CASE_CONVERT.
11179         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11180         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11181         Use gcc_assert.  Discard scops that contain unhandled cases.
11182         (build_scop_conditions): Return a boolean status for unhandled cases.
11183         (strip_mine_profitable_p): Print the loop number, not its depth.
11184         (is_interchange_valid): Pass the depth of the loop nest, don't
11185         recompute it wrongly.
11186         (graphite_trans_bb_block): Same.
11187         (graphite_trans_bb_block): Print tentative of loop blocking.
11188         (graphite_trans_scop_block): Do not print that the loop has been
11189         blocked.
11190         (graphite_transform_loops): Do not handle scops that contain condition
11191         scalar phi nodes.
11192
11193 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11194
11195         AVX Programming Reference (December, 2008)
11196         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11197         (_mm256_stream_pd): Likewise.
11198         (_mm256_stream_ps): Likewise.
11199
11200         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11201         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11202         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11203         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11204         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11205         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11206         (ix86_expand_special_args_builtin): Likewise.
11207
11208         * config/i386/sse.md (AVXMODEDI): New.
11209         (avx_movnt<mode>): Likewise.
11210         (avx_movnt<mode>): Likewise.
11211         (<sse>_movnt<mode>): Remove AVX support.
11212         (sse2_movntv2di): Likewise.
11213
11214 2009-01-07  Richard Guenther  <rguenther@suse.de>
11215
11216         PR middle-end/38751
11217         * fold-const.c (extract_muldiv): Remove obsolete comment.
11218         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11219         to PLUS_EXPR canonicalization for the canonicalization.
11220
11221 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11222
11223         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11224         hosted cross-compilers generating less efficient code.
11225
11226 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11227
11228         * function.h (rtl_data): Add a dbr_scheduled_p field.
11229         * reorg.c (dbr_schedule): Set it.
11230         (gate_handle_delay_slots): Check it.
11231         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11232         (mips_reorg): Check flag_delayed_branch instead of
11233         mips_base_delayed_branch.
11234         (mips_override_options): Don't set mips_base_delayed_branch
11235         or flag_delayed_branch.
11236
11237 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11238
11239         PR rtl-optimization/38426.
11240         * ira.c (ira): Set current_function_is_leaf earlier.
11241
11242 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11243
11244         PR rtl-optimization/38722
11245         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11246         too early, only set a flag and modify after last possible
11247         undo_all point.
11248
11249 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11250
11251         PR c/34252
11252         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11253         * real.c (decimal_single_format): Correct values of emin and emax.
11254         (decimal_double_format): Ditto.
11255         (decimal_quad_format): Ditto.
11256         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11257         computation of DECnn_MIN and DECnn_MAX for corrected values of
11258         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11259         __DECnn_MIN__, and adjust its computation for the corrected value
11260         of emin.
11261
11262 2009-01-06  Jan Hubicka  <jh@suse.cz>
11263
11264         PR target/38744
11265         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11266
11267 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11268
11269         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11270         Add Robert Clark to the list of testers.
11271
11272 2009-01-06  Jan Hubicka  <jh@suse.cz>
11273             Kai Tietz  <kai.tietz@onevision.com>
11274
11275         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11276         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11277
11278 2009-01-06  Jan Hubicka  <jh@suse.cz>
11279             Kai Tietz  <kai.tietz@onevision.com>
11280
11281         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11282         for w64 ABI.
11283         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11284         (ix86_nsaved_regs): Count only general purpose regs.
11285         (ix86_nsaved_sseregs): New.
11286         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11287         to 16 for w64; compute padding and size of sse reg save area.
11288         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11289         general purpose regs.
11290         (ix86_emit_save_sse_regs_using_mov): New.
11291         (ix86_expand_prologue): Save SSE regs if needed.
11292         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11293         (ix86_emit_restore_sse_regs_using_mov): New.
11294         (ix86_expand_epilogue): Save SSE regs if needed.
11295
11296 2009-01-06  Jan Hubicka  <jh@suse.cz>
11297             Kai Tietz  <kai.tietz@onevision.com>
11298
11299         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11300         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11301         functions when accumulate outgoing args is off.
11302
11303 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11304
11305         PR bootstrap/38742
11306         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11307         before using pseudos_have_intersected_live_ranges_p.
11308
11309         * ira-int.h (ira_assert): Always define.
11310
11311 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11312
11313         AVX Programming Reference (December, 2008)
11314         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11315         (_mm256_permute2_pd): Likewise.
11316         (_mm_permute2_ps): Likewise.
11317         (_mm256_permute2_ps): Likewise.
11318         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11319         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11320
11321         * config/i386/i386.c (ix86_builtins): Remove
11322         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11323         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11324         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11325         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11326         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11327         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11328         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11329         __builtin_ia32_vpermil2ps256.
11330         (ix86_init_mmx_sse_builtins): Updated.
11331         (ix86_expand_args_builtin): Likewise.
11332
11333 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11334
11335         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11336         long absolute calls when generating PA 2.0 code.
11337
11338 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11339
11340         PR rtl-optimization/38583
11341         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11342
11343         * params.def (ira-max-conflict-table-size): New.
11344
11345         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11346
11347         * ira.h (ira_conflicts_p): New external definition.
11348
11349         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11350         table.  Report this.  Return result of building.
11351         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11352         building conflict table.
11353
11354         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11355         (ira_color): Use ira_conflicts_p.
11356
11357         * global.c: Include ira.h.
11358         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11359         ira_conflicts_p.
11360
11361         * Makefile.in (global.o): Add ira.h.
11362
11363         * ira-build.c (mark_all_loops_for_removal,
11364         propagate_some_info_from_allocno): New.
11365         (remove_unnecessary_allocnos): Call
11366         propagate_some_info_from_allocno.
11367         (remove_low_level_allocnos): New.
11368         (remove_unnecessary_regions): Add parameter.  Call
11369         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11370         parameter to remove_unnecessary_regions.
11371         (ira_build): Remove all regions but root if the conflict table was
11372         not built.  Update conflict hard regs for allocnos crossing calls.
11373
11374         * ira.c (ira_conflicts_p): New global.
11375         (ira): Define and use ira_conflicts_p.
11376
11377         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11378         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11379         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11380
11381 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11382
11383         * gengtype-lex.l (YY_NO_INPUT): Define.
11384
11385 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11386
11387         PR c/34911
11388         * c-common.c (handle_vector_size_attribute): Also reject
11389         BOOLEAN_TYPE types.
11390
11391 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11392
11393         PR tree-optimization/38492
11394         * graphite.c (rename_map_elt, debug_rename_elt,
11395         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11396         rename_map_elt_info, eq_rename_map_elts,
11397         get_new_name_from_old_name, bb_in_sese_p): Moved around.
11398         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
11399         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
11400         (sese_build_livein_liveouts): New.
11401         (new_sese, free_sese): New.
11402         (new_scop): Call new_sese.
11403         (free_scop): Call free_sese.
11404         (rename_variables_from_edge, rename_phis_end_scop): Removed.
11405         (register_old_new_names): Renamed register_old_and_new_names.
11406         (register_scop_liveout_renames, add_loop_exit_phis,
11407         insert_loop_close_phis, struct igp,
11408         default_liveout_before_guard, add_guard_exit_phis,
11409         insert_guard_phis, copy_renames): New.
11410         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
11411         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
11412         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
11413         (scop_adjust_phis_for_liveouts): New.
11414         (gloog): Call scop_adjust_phis_for_liveouts.
11415
11416         * graphite.h (struct sese): Documented.  Added fields liveout,
11417         num_ver and livein.
11418         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
11419         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
11420         (struct scop): Added field liveout_renames.
11421         (SCOP_LIVEOUT_RENAMES): New.
11422
11423 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11424
11425         PR tree-optimization/38510
11426         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
11427         (translate_clast): Call recompute_all_dominators before
11428         graphite_verify.
11429         (gloog): Call recompute_all_dominators before graphite_verify.
11430
11431 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11432             Jan Sjodin  <jan.sjodin@amd.com>
11433
11434         PR tree-optimization/38500
11435         * graphite.c (create_sese_edges): Call fix_loop_structure after
11436         splitting blocks.
11437
11438 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
11439
11440         * config.gcc: Add m32r*-*-rtems*.
11441         * config/m32r/rtems.h: New file.
11442
11443 2009-01-05  Ben Elliston  <bje@au.ibm.com>
11444
11445         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
11446         (.po.pox): Likewise.
11447         (po/gcc.pot): Likewise.
11448
11449 2009-01-04  David S. Miller  <davem@davemloft.net>
11450
11451         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
11452         (STARTING_FRAME_OFFSET): Always set to zero.
11453
11454 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11455
11456         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
11457         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
11458         fixed-point types, and vectors of the same.
11459
11460 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
11461
11462         * config/mips/sync.md (*mb_barrier): Rename to...
11463         (*memory_barrier): ...this.
11464
11465 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
11466
11467         * doc/extend.texi (Function Attributes): Move @cindex after @item
11468         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
11469         and put in alphabetical order. Fix 'target' name and put in order.
11470         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
11471         typos.
11472
11473 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
11474
11475         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
11476         (memory_barrier): Expand as unspec instead of unspec_volatile.
11477         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11478         (*memory_barrier): Define as unspec instead of unspec_volatile.
11479         Use (match_dup 0) as input operand.
11480
11481         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
11482         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
11483         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
11484         scratch register.  Remove operand 1.
11485         (*stbar): Define as unspec instead of unspec_volatile.
11486         Use (match_dup 0) as input operand, remove (const_int 8).
11487         (*membar): Define as unspec instead of unspec_volatile.
11488         Use (match_dup 0) as input operand, remove input operand 2.
11489
11490         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
11491         (memory_barrier): Expand as unspec instead of unspec_volatile.
11492         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11493         (*memory_barrier): Define as unspec instead of unspec_volatile.
11494         Use (match_dup 0) as input operand.
11495
11496         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
11497         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11498         Set volatile flag on operand 0.
11499         (*memory_barrier): New insn pattern.
11500
11501         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
11502         insn operands.
11503         (*memory_barrier): Use (match_dup 0) as input operand.
11504
11505         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
11506         Remove mem:BLK from insn operands.  Use Pmode scratch register.
11507         Set volatile flag on operand 0.
11508         (*mb_internal): New insn pattern.
11509
11510         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
11511
11512 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11513
11514         PR middle-end/38586
11515         * function.c (struct temp_slot): Move to the section of the file
11516         that deals with temp slots.  Remove field 'address'.
11517         (temp_slot_address_table): New hash table of address -> temp slot.
11518         (struct temp_slot_address_entry): New struct, items for the table.
11519         (temp_slot_address_compute_hash, temp_slot_address_hash,
11520         temp_slot_address_eq, insert_temp_slot_address): Support functions
11521         for the new table.
11522         (find_temp_slot_from_address): Rewrite to use the new hash table.
11523         (remove_unused_temp_slot_addresses): Remove addresses of temp
11524         slots that have been made available.
11525         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
11526         worker function for remove_unused_temp_slot_addresses.
11527         (assign_stack_temp_for_type): Don't clear the temp slot address list.
11528         Add the temp slot address to the address -> temp slot map.
11529         (update_temp_slot_address): Update via insert_temp_slot_address.
11530         (free_temp_slots): Call remove_unused_temp_slot_addresses.
11531         (pop_temp_slots): Likewise.
11532         (init_temp_slots): Allocate the address -> temp slot map, or empty
11533         the map if it is already allocated.
11534         (prepare_function_start): Initialize temp slot processing.
11535
11536 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
11537
11538         PR middle-end/38584
11539         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
11540         Calculate the size of all stack vars assuming no packing of stack
11541         vars will happen, replacing a quadratic algorithm with a linear one.
11542
11543 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11544
11545         PR target/38707
11546         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
11547         can't be used.
11548
11549 2009-01-03  Diego Novillo  <dnovillo@google.com>
11550
11551         * doc/contrib.texi: Update contributions.
11552
11553 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
11554
11555         PR c++/38705
11556         * builtins.c (fold_builtin_memory_op): Give up if either operand
11557         is volatile.  Set srctype or desttype to non-qualified version
11558         of the other type.
11559
11560         PR c/38700
11561         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
11562         and FUNCTION_DECLs.
11563
11564 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
11565
11566         PR rtl-optimization/35805
11567         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
11568         problem if fast dce is able to remove any instructions.
11569         * dce.c (dce_process_block): Fix dump message.
11570
11571 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
11572
11573         PR 33649
11574         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
11575
11576 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
11577
11578         PR middle-end/38690
11579         * tree-flow.h (op_code_prio, op_prio): New prototypes.
11580         * tree-pretty-print.c (op_code_prio): New function.
11581         (op_prio): No longer static.  Use op_code_prio.
11582         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
11583         Use op_prio and op_code_prio to determine if () should be
11584         printed around operand(s) or not.
11585
11586         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
11587         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
11588         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
11589         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
11590         pp_character instead of pp_string for single letter printing.
11591
11592 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
11593
11594         * doc/extend.texi: Fix '#pragma GCC option' typo.
11595
11596 2009-01-02  Richard Guenther  <rguenther@suse.de>
11597
11598         * doc/install.texi (--enable-checking): Mention different
11599         default for stage1.
11600         (--enable-stage1-checking): Document.
11601
11602 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
11603
11604         PR middle-end/30142
11605         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
11606         case to be an error.
11607
11608 2009-01-02  Ben Elliston  <bje@au.ibm.com>
11609
11610         * config/fp-bit.h (pack_d): Constify argument.
11611         * config/fp-bit.c (makenan): Constify return type. Remove casts.
11612         (isnan): Constify argument.
11613         (isinf): Likewise.
11614         (iszero): Likewise.
11615         (pack_d): Likewise.
11616         (_fpadd_parts): Constify return type.
11617         (_fpmul_parts): Likewise.
11618         (_fpdiv_parts): Likewise.
11619
11620 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
11621
11622         PR c/36489
11623         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
11624         warn about overwriting initializer with side-effects or
11625         -Woverride-init if !IMPLICIT.
11626         (output_init_element): Likewise.  Pass IMPLICIT down to
11627         add_pending_init.
11628         (process_init_element): Add IMPLICIT argument.  Pass it down
11629         to output_init_element.
11630         (push_init_element, pop_init_level, set_designator): Adjust
11631         process_init_element callers.
11632         (set_nonincremental_init, set_nonincremental_init_from_string):
11633         Adjust add_pending_init callers.
11634         (output_pending_init_elements): Adjust output_init_element callers.
11635         * c-tree.h (process_init_element): Adjust prototype.
11636         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
11637         process_init_element callers.
11638
11639 \f
11640 Copyright (C) 2009 Free Software Foundation, Inc.
11641
11642 Copying and distribution of this file, with or without modification,
11643 are permitted in any medium without royalty provided the copyright
11644 notice and this notice are preserved.