summaryrefslogtreecommitdiffstats
path: root/contrib/gcc/ChangeLog
blob: 136b464191e089037be350bee05cafd1e64f98e7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
2007-07-19  Release Manager

	* GCC 4.2.1 released.

2007-07-18  Paolo Bonzini  <bonzini@gnu.org>

	Revert:

	2007-07-09  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/32004
	* function.c (rest_of_match_asm_constraints): Pass PROP_REG_INFO.

	2007-07-06  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/32004
	* function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
	pass_match_asm_constraints): New.
	* passes.c (init_optimization_passes): Add new pass.
	* stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
	* function.h (struct function): Add has_asm_statement bit.
	(current_function_has_asm_statement): New.
	* tree-pass.h (pass_match_asm_constraints): New.

2007-07-16  Paul Brook  <paul@codesourcery.com>

	PR target/32753
	gcc/
	* config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.

2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	PR target/32538
	* config/mips/iris6.h (LIBGCC_SPEC): Add libm.

2007-07-09  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/32004
	* function.c (rest_of_match_asm_constraints): Pass PROP_REG_INFO.

2007-07-09  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/32681
	* tree-if-conv.c (find_phi_replacement_condition): Use the condition
	saved in second_edge->aux when first_bb is a loop header.

2007-07-07 Anatoly Sokolov <aesok@post.ru>

	PR target/31331
	* config/avr/avr.c (avr_naked_function_p): Handle receiving a type
	rather than a decl. 
	(avr_attribute_table): Make "naked" attribute apply to function types
	rather than to decls.
	(avr_handle_fntype_attribute): New function.

2007-07-06  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/32004
	* function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
	pass_match_asm_constraints): New.
	* passes.c (init_optimization_passes): Add new pass.
	* stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
	* function.h (struct function): Add has_asm_statement bit.
	(current_function_has_asm_statement): New.
	* tree-pass.h (pass_match_asm_constraints): New.

2007-07-06  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/32450
	* function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
	to ensure that instructions are not moved into the prologue when
	profiling is on.

2007-07-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32500
	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
	Only use basic blocks that are always executed to infer loop bounds.

2007-07-04  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/31966
	PR tree-optimization/32533
	* tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
	"basic_block" description as its third argument.  Update function
	calls to get destination bb from "edge" argument.  Save "cond" into
	aux field of the edge.  Update prototype for changed arguments.
	(if_convertible_loop_p): Clear aux field of incoming edges if bb
	contains phi node.
	(find_phi_replacement_condition): Operate on incoming edges, not
	on predecessor blocks.  If there is a condition saved in the
	incoming edge aux field, AND it with incoming bb predicate.
	Return source bb of the first edge.
	(clean_predicate_lists): Clean aux field of outgoing node edges.
	(tree_if_conversion): Do not initialize cond variable. Move
	variable declaration into the loop.
	(replace_phi_with_cond_gimple_modify_stmt): Remove unneded
	initializations of new_stmt, arg0 and arg1 variables.

2007-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/32506
	Backport from mainline.
	* config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
	predicate instead of target_operand.
	(divsi3_i1_media, divsi3_media_2): Likewise.

2007-07-03  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2006-12-11  Zdenek Dvorak <dvorakz@suse.cz>

	PR rtl-optimization/30113
	* loop-iv.c (implies_p): Require the mode of the operands to be
	scalar.

2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	PR target/28307
	* gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
	(__gthrw_pragma): Provide default definition.
	(__gthrw2): Use it.
	* gthr-posix.c (__gthrw_pragma): Define.

2007-07-02  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/32468
	* omp-low.c (check_combined_parallel): New function.
	(lower_omp_parallel): Call it via walk_stmts, set
	OMP_PARALLEL_COMBINED if appropriate.
	(determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
	isn't the only statement in WS_ENTRY_BB or OMP_RETURN
	the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
	don't consider it as combined parallel.

2007-06-30  Alexandre Oliva  <aoliva@redhat.com>

	* dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
	limbo die nodes.

2007-06-28  Seongbae Park  <seongbae.park@gmail.com>

	* config/arm/arm.c (arm_get_frame_offsets): Set
	offsets->locals_base to avoid negative stack size.
	(thumb_expand_prologue): Assert on negative stack size.

2007-06-28  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
	decl is non-external for AIX ABI.

2007-06-28  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/predicates.md (current_file_function_operand):
	Ensure the symbol is non-external for AIX ABI.

2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_VEC_EXT_V16QI.
	(ix86_init_mmx_sse_builtins): Add __builtin_ia32_vec_ext_v16qi.
	(ix86_expand_builtin): Handle IX86_BUILTIN_VEC_EXT_V16QI.

2007-06-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/32362
	* omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
	but decl is a global var, instead return decl.
	* gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
	even for is_global_var decls, if they are private in some outer
	context.

2007-06-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/32389
	* config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
	* config/i386/i386.c (assign_386_stack_local): Assert that
	SLOT_VIRTUAL is valid only before virtual regs are instantiated.
	(ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
	Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
	* config/i386/i386.md (truncdfsf2, truncxfsf2, truncxfdf2): Ditto.

2007-06-20  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/32109
	* gimplify.c (gimplify_asm_expr): Issue error if type is addressable
	and !allows_mem.

	PR middle-end/32285
	* calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
	if ACCUMULATE_OUTGOING_ARGS.

2007-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR rtl-optimization/28011
	Backport from mainline.
	* reload.c (push_reload): Set dont_share if IN appears in OUT
	also when IN is a PLUS rtx.
	(reg_overlap_mentioned_for_reload_p): Return true if X and IN
	are same PLUS rtx.

2007-06-19  Richard Guenther  <rguenther@suse.de>
	Michael Matz  <matz@suse.de>

	PR tree-optimization/30252
	* tree-ssa-structalias.c (solution_set_add): Make sure to
	preserve all relevant vars.
	(handle_ptr_arith): Make sure to only handle positive
	offsets.
	(push_fields_onto_fieldstack): Create fields for empty
	bases.

2007-06-19  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/32353
	* tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.

2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
	return mode from the builtin itself.
	(sparc_fold_builtin): Fix cast of zero constant.

2007-06-15  Diego Novillo  <dnovillo@google.com>

	PR 32327
	* tree-ssa-operands.c (build_ssa_operands): Initially assume
	that the statement does not take any addresses.

2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* config/sparc/sparc.c (sparc_override_options): Initialize
	fpu mask correctly.

2007-06-09  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/32169
	* tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
	CONVERT_EXPR, check whether min and max both converted to an
	overflow infinity representation.

2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/32163
	Backport from mainline.
	* config/sh/sh.md (symGOT_load): Don't schedule insns when
	the symbol is generated with the stack protector.

2007-06-06  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (merge_ranges): If range_successor or
	range_predecessor fail, just return 0.

2007-06-05  Ian Lance Taylor  <iant@google.com>

	* tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
	PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
	(extract_range_from_assert): Set TREE_NO_WARNING when creating an
	expression.
	(test_for_singularity): Likewise.

2007-06-04  Ian Lance Taylor  <iant@google.com>

	* tree-vrp.c (adjust_range_with_scev): When loop is not expected
	to overflow, reduce overflow infinity to regular infinity.
	(vrp_var_may_overflow): New static function.
	(vrp_visit_phi_node): Check vrp_var_may_overflow.

2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
	with MASK_SSE2.
	(__builtin_ia32_vec_ext_v2di): Likewise.
	(__builtin_ia32_vec_ext_v4si): Likewise.
	(__builtin_ia32_vec_ext_v8hi): Likewise.
	(__builtin_ia32_vec_set_v8hi): Likewise.

2007-05-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>

	* config/pa/pa.md: Split tgd_load, tld_load and tie_load
	into pic and non-pic versions. Mark r19 as used for 
	tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
	for tgd_load, tld_load and tie_load .
	* config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
	version of tgd_load, tld_load and tie_load depending on the 
	value of flag_pic.

2007-05-27  Daniel Berlin <dberlin@dberlin.org>

	Fix PR/30052
	Backport PTA solver from mainline

	* pointer-set.c: Copy from mainline
	* pointer-set.h: Ditto.
	* tree-ssa-structalias.c: Copy solver portions from mainline.
	* Makefile.in (tree-ssa-structalias.o): Update dependencies

2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* tree-vrp.c (compare_names): Initialize sop.

2007-05-30  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/31769
	* except.c (duplicate_eh_regions): Clear prev_try if
	ERT_MUST_NOT_THROW region is inside of ERT_TRY region.

2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/32100
	* fold-const.c (tree_expr_nonnegative_warnv_p): Don't
	return true when truth_value_p is true and the type
	is of signed:1.

2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2007-05-25  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
	"memory" attribute for "sseishft" type insn without operands[2].

	2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.

2007-05-22  Ian Lance Taylor  <iant@google.com>

	* tree-vrp.c (avoid_overflow_infinity): New static function,
	broken out of set_value_range_to_value.
	(set_value_range_to_value): Call avoid_overflow_infinity.
	(extract_range_from_assert): Likewise.

2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>

	PR target/30987
	* config/score/misc.md (bitclr_c, bitset_c, bittgl_c): remove.
	* config/score/predicate.md (const_pow2, const_npow2): remove.
	* config/score/score.h (ASM_OUTPUT_EXTERNAL): add ASM_OUTPUT_EXTERNAL undef.
	PR target/30474
	* config/score/score.c (score_print_operand): makes sure that only lower 
	bits are used.
	
2007-05-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/31167
	Backport from mainline.
	* config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
	x86_64_general_operand as operand[2] predicate.  Remove "iF"
	from operand constraints and use "e" constraint instead.
	(*subti3_1, *subti3_1 splitter): Ditto.
	(*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
	operand[1] predicate.

2007-05-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/30041
	Backport from mainline.
	* config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
	operands[1] in insn constraint.  Correct type attribute to sselog1.

2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/31701
	Backport from mainline.
	* config/sh/sh.c (output_stack_adjust): Avoid using the frame
	register itself to hold the offset constant.  Tell flow the use
	of r4 and r5 when they are used.

2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/31480
	Backport from mainline.
	* config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
	is null.

2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/31022
	Backport from mainline.
	* config/sh/sh.c (sh_adjust_cost): Use the result of single_set
	instead of PATTERN.

2007-05-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/27405
	Backport from mainline.
	* config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
	(cmpsi{eq,gt,gtu}{si,di}_media): Rename to
	cmp{eq,gt,gtu}{si,di}_media.
	(*cmpne0si_media): Remove.
	(*movsicc_umin): Adjust gen_cmp*_media call.
	(unordered): Change the mode of unordered and operands[1] to
	SImode.
	(seq): Adjust gen_cmp*_media calls.  Make the mode of
	a temporary result of compare SImode if needed.  If the mode
	of operands[0] is DImode, extend the temporary result to DImode.
	(slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
	(sunorderd): Change the mode of match_operand and unorderd to
	SImode.
	(cmpeq{sf,df}_media): Remove.
	(cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
	(cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
	and compare operation to SImode.

2007-05-18  Joseph Myers  <joseph@codesourcery.com>

	* config/soft-fp/double.h, config/soft-fp/extended.h,
	config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
	config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
	config/soft-fp/op-2.h, config/soft-fp/op-4.h,
	config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
	glibc CVS.

2007-05-17  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/31953
	* tree-vrp.c (set_value_range_to_value): Add equiv parameter.
	Change all callers.
	(set_value_range_to_null): Call set_value_range_to_value.
	(extract_range_from_comparison): Likewise.

2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR rtl-optimization/31691
	* combine.c (simplify_set): Build a new src pattern instead of
	substituting its operands in the COMPARE case.

2007-05-14  Mark Mitchell  <mark@codesourcery.com>

	* BASE-VER: Set to 4.2.1.
	* DEV-PHASE: Set to prerelease.

2007-05-13  Release Manager

	* GCC 4.2.0 released.

2007-05-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/31797
	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
	propagate into a stmt that has volatile ops.

2007-05-01  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/31739
	* tree-vrp.c (vrp_val_is_max): New static function.
	(vrp_val_is_min): New static function.
	(set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
	copying the node.
	(set_value_range): Use vrp_val_is_{max,min}.
	(extract_range_from_assert): Likewise.
	(extract_range_from_binary_expr): Likewise.
	(extract_range_from_unary_expr): Likewise.
	(dump_value_range, vrp_meet): Likewise.
	(vrp_visit_phi_node): Likewise.
	* tree.c (build_distinct_type_copy): Revert change of 2007-04-27.

2007-05-01  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.

2007-04-27  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and 
	ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2007-04-27  Ian Lance Taylor  <iant@google.com>

	PR middle-end/31710
	* tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
	TYPE_MAX_VALUE exist, convert them to the new type.

2007-04-26  Ian Lance Taylor  <iant@google.com>

	PR target/28675
	* reload.c (find_reloads_subreg_address): If the address was valid
	in the original mode but not in the new mode, reload the whole
	address.

2007-04-26  Ulrich Weigand  <uweigand@de.ibm.com>

	PR middle-end/30761
	* reload1.c (eliminate_regs_in_insn): In the single_set special
	case, attempt to re-recognize the insn before falling back to
	having reload fix it up.

2007-04-26  Richard Guenther  <rguenther@suse.de>
	Daniel Berlin  <dberlin@dberlin.org>

	PR tree-optimization/30567
	* tree-ssa-structalias.c (update_alias_info): Record dereference
	also if ESCAPE_STORED_IN_GLOBAL.

2007-04-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/31598
	* tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.

	PR tree-optimization/30558
	* tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
	clear this_state.prev_try.

2007-04-25  Anatoly Sokolov <aesok@post.ru>

	PR target/18989
 	* config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.

2007-04-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Roger Sayle  <roger@eyesopen.com>

	PR middle-end/30222
	* expmed.c (make_tree): Use the correct type, i.e. the inner
	type, when constructing the individual elements of a CONST_VECTOR.

2007-04-24  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/31605
	* tree-vrp.c (set_value_range): Check that min and max are not
	both overflow infinities.
	(set_value_range_to_value): New static function.
	(extract_range_from_binary_expr): Call set_value_range_to_value.
	(extract_range_from_expr): Likewise.
	(extract_range_from_unary_expr): Likewise.  Don't create a range
	which overflows on both sides.
	(vrp_meet): Check for a useless range.
	(vrp_visit_phi_node): If we see a constant which looks like an
	overflow infinity, turn off the TREE_OVERFLOW flag.

2007-04-24  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/31602
	* tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
	conditionals in the copied loop header.
	* tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
	warnings if TREE_NO_WARNING is set.
	* doc/invoke.texi (Warning Options): Clarify that
	-Wstrict-overflow does not warn about loops.

2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR target/31641
	* config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
	argument of 0 for memset.
	(s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
	unsigned shift instead of the signed variant.

2007-04-24  Daniel Franke  <franke.daniel@gmail.com>

	* doc/invoke.texi: Removed leading '-' from option index entries.

2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/31448
	* expr.c (reduce_to_bit_field_precision): Handle
	CONST_INT rtx's.

2007-04-20  Richard Henderson  <rth@redhat.com>

	PR target/28623
	* config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
	argument; update all callers.
	(get_unaligned_offset): New.
	* config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
	get_unaligned_address, just pass on the address directly.
	(unaligned_extendqidi): Use gen_lowpart instead of open-coding
	the subreg in the helper patterns.
	(unaligned_extendqidi_le): Use get_unaligned_offset.
	(unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
	(unaligned_extendhidi_be): Likewise.
	(unaligned_extendhidi): Tidy.
	* config/alpha/alpha-protos.h: Update.

2007-04-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31136
	* fold-const.c (fold_unary): Call fold_convert_const on the
	original tree.

2007-04-20  Richard Henderson  <rth@redhat.com>

	* config/alpha/linux.h (CPP_SPEC): Undef before redefine.

2007-04-20  Bernd Schmidt  <bernd.schmidt@analog.com>

	* reload.c (combine_reloads): When trying to use a dying register,
	check whether it's uninitialized and don't use if so.

2007-04-20  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
	for __builtin_ia32_cmpordss.

	PR tree-optimization/31632
	* fold-const.c (fold_binary): Use op0 and op1 instead of arg0
	and arg1 for optimizations of comparison against min/max values.
	Fold arg0 to arg1's type for optimizations of comparison against
	min+1 and max-1 values.

2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR rtl-optimization/29841
	* cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
	trap instructions.
	* sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
	that may cause control flow transfer from being moved.

2007-04-18  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (ptrreg_to_str): Replace error() with
	output_operand_lossage().

2007-04-17  Anatoly Sokolov <aesok@post.ru>

	PR target/30483
	* config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
	error().

2007-04-17  Jan Hubicka  <jh@suse.cz>

	PR middle-end/30700
	* dwarf2out.c (reference_to_unused): Ask cgraph for functions
	availablility; add more sanity checking; ask varpool only about
	VAR_DECL.

2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>

	* Backport from mainline:
	2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
	on "0".
	(sse_vmmulv4sf3): Likewise.
	(sse2_vmaddv2df3): Likewise.
	(sse2_vmmulv2df3): Likewise.

2007-04-16  Matthias Klose  <doko@debian.org>

	* config/alpha/linux.h (CPP_SPEC): Define.
	* config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.

2007-04-16  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_arch_types): Rearranging  array.
	(enum avr_arch): Add.
	(avr_mcu_types): Use avr_arch enumeration constants instead of 
	numbers.
	* config/avr/avr.h (LINK_SPEC): Simplify.

2007-04-16  Jan Hubicka  <jh@suse.cz>

	PR target/27869
	* config/i386/sse.md
	(sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
	(sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
	(sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
	(sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.

2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>

	* Backport from mainline:
	2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/31582
	* config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
	copy of source, pass it to ix86_expand_vector_set and return
	it as target.

2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR c/31520
	* c-decl.c (finish_decl): Grab the type of the decl after the call
	to store_init_value.

2007-04-14  Jakub Jelinek  <jakub@redhat.com>

	PR c++/25874
	* omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
	post dominators and cleanup cfg before returning.

2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
	null before emitting a .nsubspa directive.

2007-04-08  Anatoly Sokolov <aesok@post.ru>

	PR target/29932
	* config/avr/predicates.md (io_address_operand): Delete predicate.
	(low_io_address_operand): Don't use 'mode' argument.
	(higth_io_address_operand): Rename ...
	(high_io_address_operand): ... to this. Don't use 'mode' argument.
	* config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
	for above change.

2007-04-07  Anatoly Sokolov <aesok@post.ru>

	PR target/30289
	* config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as 
	earlyclobber.

2007-04-05  Anatoly Sokolov <aesok@post.ru>

	PR target/25448
	* config/avr/avr.c (avr_handle_fndecl_attribute): Use the 
	DECL_ASSEMBLER_NAME, not the DECL_NAME.

2007-04-04  Richard Henderson  <rth@redhat.com>

	PR target/31361
	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove
	v8hi_ftype_v8hi_v2di, v4si_ftype_v4si_v2di.  Use like-types for
	the variable shift builtins.
	(ix86_expand_builtin): Properly expand the variable shift builtins.
	* config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
	operand 2 be TImode.
	* config/i386/emmintrin.h (_mm_slli_epi16, _mm_slli_epi32,
	_mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16,
	_mm_srli_epi32, _mm_srli_epi64): Turn into macros.
	(_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
	(_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
	_mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
	two-vector shift builtins.

2007-04-04  Chen liqin  <liqin@sunnorth.com.cn>

	* config/score/crti.asm: Change _bss_start to __bss_start.
	* config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
	(OUTGOING_REG_PARM_STACK_SPACE) update.
	* config/score/score.opt: add options to make backend support
	score5, score5u, score7 and score7d.
	* config/score/score.md: Likewise.
	* config/score/misc.md: Likewise.
	* config/score/mac.md: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: update constraints define.

2007-04-03  Stuart Hastings  <stuart@apple.com>

	PR 31281
	* objc/objc-act.c (next_sjlj_build_catch_list): Delete volatile
	from rethrow decl.
	* cse.c (record_jump_equiv): Bail out on CCmode comparisons.

2007-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/30704
	* fold-const.c (native_encode_real): Encode real.c provided longs
	as a series of 32-bit native integers.
	(native_interpret_real): Interpret buffer as a series of 32-bit
	native integers.

2007-04-02  Eric Christopher  <echristo@apple.com>

	* doc/invoke.texi (i386 and x86-64 Options): Document -m64
	limitations on darwin.

2007-04-02  Anatoly Sokolov <aesok@post.ru>

	PR target/31137
	* config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.

2007-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* Backport from mainline:
	2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>

	PR target/31380
	* config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.

2007-03-30  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_override_options): Clear
	'flag_delete_null_pointer_checks'.

2007-03-29  Michael Matz  <matz@suse.de>

	* builtins.c (expand_builtin_sync_operation,
	expand_builtin_compare_and_swap,
	expand_builtin_lock_test_and_set): Care for extending CONST_INTs
	correctly.

	* config/i386/sync.md (sync_double_compare_and_swapdi_pic,
	sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
	for operand 3.

2007-03-28  Mike Stump  <mrs@apple.com>

	* config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
	* config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
	* config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.

2007-03-27  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
	architecture.

2007-03-26  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/31345
	* tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
	[+INF, +INF(OVF)] into VARYING.

2007-03-23  Martin Michlmayr  <tbm@cyrius.com>

	* doc/invoke.texi (-fforce-mem): Update documentation to reflect
	that this option will be removed in 4.3 rather than 4.2.
	* opts.c (common_handle_option): Likewise.

2007-03-21  Mike Stump  <mrs@apple.com>

	* c.opt: Fixup for Objective-C/C++.

2007-03-21  Richard Henderson  <rth@redhat.com>

	PR target/31245
	* config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
	* config/i386/mmintrin.h (__m64): Likewise.
	* config/i386/xmmintrin.h (__m128): Likewise.

2007-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR c/30762
	* c-typeck.c (convert_for_assignment): Call comptypes for
	RECORD_TYPE or UNION_TYPE.

	PR inline-asm/30505
	* reload1.c (reload): Do invalid ASM checking after
	cleanup_subreg_operands.

2007-03-19  Jeff Law  <law@redhat.com>

	* tree-cfg.c (find_taken_edge): Tighten conditions for
	optimizing computed gotos.

2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (attr_length_call): Partially revert change of 2007-03-09.
	(output_call): Likewise.

2007-03-16  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/29906
	* dwarf2out.c (force_type_die): Adjust comment.
	(dwarf2out_imported_module_or_decl): Handle base AT_import types.

2007-03-15  Seongbae Park <seongbae.park@gmail.com>

	PR tree-optimization/30590
	* tree-nrv.c (tree_nrv): Check for the partial update
	of the return value.

2007-03-14  Ian Lance Taylor  <iant@google.com>

	* tree-vrp.c (value_inside_range): Ignore fold warnings.

2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/31123
	* pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
	two unamed patterns.

2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>

	* doc/extend.texi: Edit "gnu_inline" documentation.
	* doc/invoke.texi: Edit "-fgnu89-inline" documentation.

2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>

	* doc/extend.texi: Fix cpp.info cross-reference.
	* doc/invoke.texi: Fix cpp.info cross-reference.
	* doc/passes.texi: Fix gcc.info cross-reference.

2007-03-12  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/28544
	* tree-ssa-operands.c (add_virtual_operand):
	Move assert triggering on aliasing violations into
	debugging define

2007-03-12  Ian Lance Taylor  <iant@google.com>

	* c.opt (fgnu89-inline): New option.
	* c-opts.c (c_common_post_options): Warn about -fno-gnu89-inline.
	* c-common.c (c_common_attributes): Add gnu_inline attribyte.
	(handle_gnu_inline_attribute): New static function.
	* c-decl.c (start_function): Warn if we see a non-static inline
	function in C99 mode.
	* c-cppbuiltin.c (c_cpp_builtins): Define __GNUC_GNU_INLINE__.
	* doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
	(C Dialect Options): Document -fgnu89-inline.
	* doc/extend.texi (Function Attributes): Document gnu_inline.
	(Inline): Mention that C99 inline will be implemented in 4.3.
	Refer to ways to get the old handling.
	* doc/cpp.texi (Common Predefined Macros): Document
	__GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.

2007-03-12  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (alpha_elf_section_type_flags): New.
	(TARGET_SECTION_TYPE_FLAGS): New.

2007-03-12  Richard Henderson  <rth@redhat.com>

	* config/darwin.c (machopic_reloc_rw_mask): New.
	(machopic_select_section): Use decl_readonly_section.
	* config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
	* config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.

2007-02-14  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	* flags.h (issue_strict_overflow_warning): Convert to a macro.

2007-03-11  Ian Lance Taylor  <iant@google.com>

	Backport -fstrict-overflow/-Wstrict-overflow from mainline:
	2007-03-11  Ian Lance Taylor  <iant@google.com>

	* tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
	the *_DIV_EXPR codes correctly with overflow infinities.

	2007-03-09  Ian Lance Taylor  <iant@google.com>

	* opts.c (common_handle_option): Treat -Wstrict-overflow (with no
	argument) like -Wstrict-overflow=2.
	* doc/invoke.texi (Warning Options): Update documentation.

	2007-03-08  Ian Lance Taylor  <iant@google.com>

	* tree-vrp.c: Include "toplev.h" and "intl.h".
	(usable_range_p): New static function.
	(compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
	overflowed values, juts set *strict_overflow_p.
	(compare_values): Only return -2 if one of the operands is not a
	constant.
	(compare_ranges): Call usable_range_p.
	(compare_range_with_value): Likewise.
	(vrp_evaluate_conditional_warnv): Rename from
	vrp_evaluate_conditional.  Make static.  Change all callers.
	(vrp_evaluate_conditional): New function.
	(simplify_div_or_mod_using_ranges): Issue warning about reliance
	on signed overflow.
	(simplify_abs_using_ranges): Likewise.
	(simplify_stmt_for_jump_threading): Add within_stmt parameter.
	* tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
	within_stmt parameter.
	* tree-ssa-propagate.c (fold_predicate_in): Update call to
	vrp_evaluate_conditional.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Change
	simplify parameter to take a second tree parameter.
	(simplify_control_stmt_condition): Likewise.
	(thread_across_edge): Likewise.
	* tree-flow.h (vrp_evaluate_conditional): Update declaration.
	(thread_across_edge): Likewise.
	* Makefile.in (tree-vrp.o): Depend upon toplev.h and intl.h.

	2007-03-05  Ian Lance Taylor  <iant@google.com>

	* tree-vrp.c (extract_range_from_assert): Don't try to handle a
	half-range if the other side is an overflow infinity.

	2007-03-02  Ian Lance Taylor  <iant@google.com>

	Used signed infinities in VRP.
	* tree-vrp.c (uses_overflow_infinity): New static function.
	(supports_overflow_infinity): New static function.
	(make_overflow_infinity): New static function.
	(negative_overflow_infinity): New static function.
	(positive_overflow_infinity): New static function.
	(is_negative_overflow_infinity): New static function.
	(is_positive_overflow_infinity): New static function.
	(is_overflow_infinity): New static function.
	(overflow_infinity_range_p): New static function.
	(compare_values_warnv): New function split out of compare_values.
	(compare_value): Call it.
	(set_value_range_to_nonnegative): Add overflow_infinity
	parameter.  Change caller.
	(vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
	Change callers.
	(vrp_expr_computes_nonzero): Likewise.
	(compare_ranges, compare_range_with_value): Likewise.
	(compare_name_with_value, compare_names): Likewise.
	(vrp_evaluate_conditional): Likewise.
	(set_value_range): Handle infinity
	(vrp_operand_equal_p, operand_less_p): Likewise.
	(extract_range_from_assert): Likewise.
	(vrp_int_const_binop): Likewise.
	(extract_range_from_binary_expr): Likewise.
	(extract_range_from_unary_expr): Likewise.
	(extract_range_from_comparison): Likewise.
	(extract_range_from_expr): Likewise.
	(dump_value_range): Likewise.
	(vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
	(test_for_singularity): Likewise.
	(vrp_int_const_binop): Remove inline qualifier.
	(adjust_range_with_scev): Add comment.
	* tree-flow.h (vrp_evaluate_conditional): Update declaration.

	2007-02-13  Ian Lance Taylor  <iant@google.com>

	* common.opt: Add Wstrict-overflow and Wstrict-overflow=.
	* flags.h (warn_strict_overflow): Declare.
	(enum warn_strict_overflow_code): Define.
	(issue_strict_overflow_warning): New static inline function.
	* opts.c (warn_strict_overflow): New variable.
	(common_handle_option): Handle OPT_Wstrict_overflow and
	OPT_Wstrict_overflow_.
	* c-opts.c (c_common_handle_option): Set warn_strict_overflow for
	OPT_Wall.
	* fold-const.c: Include intl.h.
	(fold_deferring_overflow_warnings): New static variable.
	(fold_deferred_overflow_warning): New static variable.
	(fold_deferred_overflow_code): New static variable.
	(fold_defer_overflow_warnings): New function.
	(fold_undefer_overflow_warnings): New function.
	(fold_undefer_and_ignore_overflow_warnings): New function.
	(fold_deferring_overflow_warnings_p): New function.
	(fold_overflow_warning): New static function.
	(make_range): Add strict_overflow_p parameter.  Change all
	callers.
	(extract_muldiv, extract_muldiv_1): Likewise.
	(fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
	tree_expr_nonnegative_p.
	(fold_negate_expr): Call fold_overflow_warning.
	(fold_range_test): Likewise.
	(fold_comparison): Likewise.
	(fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
	instead of tree_expr_nonnegative_p.
	(tree_expr_nonnegative_warnv_p): Rename from
	tree_expr_nonnegative_p, add strict_overflow_p parameter.
	(tree_expr_nonnegative_p): New function.
	(tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
	strict_overflow_p parameter.
	(tree_expr_nonzero_p): New function.
	* passes.c (verify_interpass_invariants): New static function.
	(execute_one_pass): Call it.
	* tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
	warnings.
	(number_of_iterations_exit, loop_niter_by_eval): Likewise.
	(estimate_numbers_of_iterations): Likewise.
	(scev_probably_wraps_p): Likewise.
	* tree-ssa-ccp.c: Include "toplev.h".
	(evaluate_stmt): Defer fold overflow warnings until we know we are
	going to optimize.
	(struct fold_stmt_r_data): Add stmt field.
	(fold_stmt_r): Defer fold overflow warnings until we know we
	optimized.
	(fold_stmt): Initialize stmt field of fold_stmt_r_data.
	(fold_stmt_inplace): Likewise.
	* tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
	(cleanup_control_expr_graph): Defer fold overflow warnings until
	we know we are going to optimize.
	* tree-cfg.c (fold_cond_expr_cond): Likewise.
	* tree-ssa-threadedge.c (simplify_control_stmt_condition):
	Likewise.
	* tree-vrp.c (vrp_expr_computes_nonnegative): Call
	tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
	* tree-ssa-loop-manip.c (create_iv): Likewise.
	* c-typeck.c (build_conditional_expr): Likewise.
	(build_binary_op): Likewise.
	* tree-vrp.c (vrp_expr_computes_nonzero): Call
	tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
	(extract_range_from_unary_expr): Likewise.
	* simplify-rtx.c (simplify_const_relational_operation): Warn when
	assuming that signed overflow does not occur.
	* c-common.c (pointer_int_sum): Ignore fold overflow warnings.
	* tree.h (tree_expr_nonnegative_warnv_p): Declare.
	(fold_defer_overflow_warnings): Declare.
	(fold_undefer_overflow_warnings): Declare.
	(fold_undefer_and_ignore_overflow_warnings): Declare.
	(fold_deferring_overflow_warnings_p): Declare.
	(tree_expr_nonzero_warnv_p): Declare.
	* doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
	of warning options.
	(Warning Options): Document -Wstrict-overflow.
	* Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
	(tree-ssa-ccp.o): Likewise.
	(tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
	(fold-const.o): Depend on intl.h.

	2007-01-27  Ian Lance Taylor  <iant@google.com>

	* common.opt: Add fstrict-overflow.
	* opts.c (decode_options): Set flag_strict_overflow if -O2.
	* flags.h (TYPE_OVERFLOW_WRAPS): Define.
	(TYPE_OVERFLOW_UNDEFINED): Define.
	(TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
	Replace all uses.
	* tree.h (TYPE_TRAP_SIGNED): Don't define.
	* fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
	(fold_negate_expr): Likewise.
	(make_range): Likewise.
	(extract_muldiv_1): Likewise.
	(fold_comparison): Likewise.
	(fold_binary): Likewise.
	(tree_expr_nonnegative_p): Likewise.
	(tree_expr_nonzero_p): Likewise.
	* tree-vrp.c (compare_values): Likewise.
	(extract_range_from_binary_expr): Likewise.
	(extract_range_from_unary_expr): Likewise.
	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
	Likewise.
	(nowrap_type_p): Likewise.
	* tree-scalar-evolution.c (simple_iv): Likewise.
	* fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
	(build_range_check): Likewise.
	(extract_muldiv_1): Likewise.
	(fold_comparison): Likewise.
	* tree-vrp.c (vrp_int_const_binop): Likewise.
	(extract_range_from_unary_expr): Likewise.
	* convert.c (convert_to_integer): Likewise.
	* fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
	(fold_comparison): Likewise.
	(fold_binary): Likewise.
	* optabs.c (optab_for_tree_code): Likewise.
	* tree-vectorizer.c (vect_is_simple_reduction): Likewise.
	* simplify-rtx.c (simplify_const_relational_operation): Check
	flag_strict_overflow and flag_trapv.
	(simplify_const_relational_operation): Likewise.
	* doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
	(Optimize Options): Add -fstrict-overflow to -O2 list.  Document
	-fstrict-overflow.

	2007-01-17  Ian Lance Taylor  <iant@google.com>

	* vec.h (VEC_reserve_exact): Define.
	(vec_gc_p_reserve_exact): Declare.
	(vec_gc_o_reserve_exact): Declare.
	(vec_heap_p_reserve_exact): Declare.
	(vec_heap_o_reserve_exact): Declare.
	(VEC_OP (T,A,reserve_exact)): New static inline function, three
	versions.
	(VEC_OP (T,A,reserve)) [all versions]: Remove handling of
	negative parameter.
	(VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
	(VEC_OP (T,A,copy)) [all versions]: Likewise.
	(VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
	* vec.c (calculate_allocation): Add exact parameter.  Change all
	callers.
	(vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
	(vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
	(vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
	(vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
	(vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
	(vec_heap_p_reserve_exact): New function.
	(vec_heap_o_reserve_exact): New function.

2007-03-11  Roger Sayle  <roger@eyesopen.com>
	    Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/30433
	* fold-const.c (fold_relational_const): Add back compile-time
	evaluation of complex constant equality/inequality comparisons.

2007-03-11  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/29925
	* tree-data-ref.c (analyze_offset): Add a return value (bool) to
	indicate success/failure of the analysis. Add negation to subtrahend
	in case of subtraction. Fail if both operands contain constants.
	(create_data_ref): Fail if analyze_offset fails.

2007-03-10  Mark Mitchell  <mark@codesourcery.com>

	PR c++/30924
	* tree.c (walk_type_fields): Recurse into the element type of
	ARRAY_TYPEs if there is a pointer set.

2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (attr_length_call): Revise condition for long pc-relative branch.
	(output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
	calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
	SOM target.

2007-03-09  Richard Henderson  <rth@redhat.com>

	PR target/26090
	* target.h (targetm.asm.out.reloc_rw_mask): New.
	* target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
	(TARGET_ASM_OUT): Use it.
	* targhooks.c, targhooks.h (default_reloc_rw_mask): New.
	* varasm.c (categorize_decl_for_section): Remove shlib argument;
	use the new reloc_rw_mask target hook instead.
	(default_section_type_flags_1): Merge into...
	(default_section_type_flags): ... here.
	(decl_readonly_section_1): Merge into...
	(decl_readonly_section): ... here.
	(default_elf_select_section_1): Merge into...
	(default_elf_select_section): ... here.
	(default_unique_section_1): Merge into...
	(default_unique_section): ... here.
	(compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
	(default_select_rtx_section): Use it.
	(default_elf_select_rtx_section): Likewise.
	* output.h: Update to match.
	* doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
	* config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
	(TARGET_ASM_RELOC_RW_MASK): New.
	* config/i386/i386.c (x86_64_elf_select_section): Adjust call
	to categorize_decl_for_section.
	(x86_64_elf_unique_section): Likewise.
	* config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
	TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
	(TARGET_ASM_RELOC_RW_MASK): New.
	* config/ia64/ia64.c (ia64_rwreloc_select_section,
	ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
	(ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
	(TARGET_RWRELOC): Remove.
	(ia64_section_type_flags): Adjust call to default_section_type_flags.
	* config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
	* config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
	(rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
	(rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
	(rs6000_xcoff_select_section): Use decl_readonly_section.
	(rs6000_xcoff_section_type_flags): Use default_section_type_flags.
	* config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
	(TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
	(TARGET_SECTION_TYPE_FLAGS): Remove.
	* config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.

2007-03-08  Geoffrey Keating  <geoffk@apple.com>

	PR 31013
	* gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
	is declared.
	* config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
	passed, use shared libgcc.

2007-03-09  Alexandre Oliva  <aoliva@redhat.com>

	PR rtl-optimization/30643
	* cse.c (cse_insn): Recompute dest_hash after insert_regs for
	dest_addr_elt.

2007-03-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/30045
	* tree-vrp.c (nonnull_arg_p): Treat the static decl as always
	non null.

2007-03-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/30729
	* stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
	effects unknown to this function, return early.

2007-03-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/28624
	* tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
	bitmap for EXECUTE_IF_SET_IN_BITMAP.

2006-03-09  Mark Shinwell  <shinwell@codesourcery.com>
	    Andrew MacLeod  <amacleod@redhat.com>
	PR tree-optimization/29877
	* tree-outof-ssa.c (check_replaceable): Don't allow TER to replace
	an expression if the RHS is a register variable.

2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR C/31072
	* c-decl.c (merge_decls): Don't call make_var_volatile.
	* varasm.c (make_var_volatile): Remove.
	* output.h (make_var_volatile): Remove.

2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
	llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
	ATTR_CONST_NOTHROW_LIST.

	* fold-const.c (tree_expr_nonnegative_p): Handle FIX_TRUNC_EXPR.

2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>

	PR target/30406
	* config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
	instead of precision.

2007-03-08  Volker Reichelt  <reichelt@netcologne.de>

	PR c++/30852
	* c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.

2007-03-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* c.opt (Waddress): New.
	* common.opt (Walways-true): Delete.
	(Wstring-literal-comparison): Delete.
	* doc/invoke.texi (Warning Options): Delete -Walways-true and
	-Wstring-literal-comparison. Add -Waddress.
	(Waddress): New.
	(Walways-true): Delete.
	(Wstring-literal-comparison): Delete.
	* doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
	consistently instead of -Walways-true in example.
	* c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
	* c-typeck.c (parser_build_binary_op): Replace
	-Wstring-literal-comparison and -Walways-true with -Waddress.
	(build_binary_op): Likewise.
	* c-common.c (c_common_truthvalue_conversion): Likewise.

2007-03-07  Richard Henderson  <rth@redhat.com>

	PR target/30848
	* reg-stack.c (emit_swap_insn): If a malformed asm was seen,
	silently fix up the stack in the case of a missing register.

2007-03-06  David Daney  <ddaney@avtrex.com>

	* doc/install.texi (mips-*-*): Change recommended binutils
	version.

2007-03-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* doc/invoke.texi (Warning Options): Replace -Werror- with
	-Werror=.
	* opts.c (common_handle_option): Likewise.

2007-03-06  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
	ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
	devices.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2007-03-06  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/30744
	* fold-const.c (fold_binary) <EQ_EXPR>: Enforce type consistency
	when transforming ~X op C to X op' ~C.

2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.md: In unamed move patterns, disparge copies between general
	and floating point registers using '?' modifier.  Don't include 'f'
	constraint for register preferences in DImode, SImode, HImode and
	QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
	Remove constraints for copies between general and floating registers
	in soft-float DFmode pattern.
	(movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
	floating register.
	(movsf): Likewise.

2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
	conversion.

2007-03-05  Steve Ellcey  <sje@cup.hp.com>

	Backported from mainline
	PR debug/29614
	* cgraph.h (cgraph_varpool_last_needed_node): Make global.
	* cgraph.c (cgraph_varpool_last_needed_node): Ditto.
	* cgraphunit.c (cgraph_varpool_assemble_pending_decls):
	Set cgraph_varpool_last_needed_node to NULL.

2007/03/05  David Taylor  <dtaylor@emc.com>

	PR 31050
	* gcc.c: Correct copyright date in --version output.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
	-ffixed-line-length-* options.

2007-03-05  David Edelsohn  <edelsohn@gnu.ogr>

	* config/rs6000/t-ppccomm: Always build libgcc2 for GNU/Linux
	with -mlong-double-128, except SPE.

	* config/rs6000/darwin-ldouble.c: Only build new functions for
	__LONG_DOUBLE_128__.

	Backport from mainline:
	2007-01-16  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
	(strong_alias): Define.
	(__gcc_qmul): Provide non-FMA for soft-float.
	(__gcc_qdiv): Same.
	(__gcc_qneg): New.
	(__gcc_qeq): New.
	(__gcc_qle): New.
	(__gcc_qge): New.
	(__gcc_qunord): New.
	(__gcc_stoq): New.
	(__gcc_dtoq): New.
	(__gcc_qtos): New.
	(__gcc_qtod): New.
	(__gcc_qtoi): New.
	(__gcc_qtou): New.
	(__gcc_itoq): New.
	(__gcc_utoq): New.
	(fmsub): New.
	* config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
	soft-float functions.
	* config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
	about long double soft float.

2007-03-05  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2007-02-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/30364
	* fold-const.c (fold_binary): Do not associate expressions
	with more than one variable for integer types that do not wrap.

2007-03-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/26797
	* doc/invoke.texi (-O2): Document that Tree-VRP is not turned on
	for the Ada compiler.

2007-03-02  Zdenek Dvorak <dvorakz@suse.cz>

	PR tree-optimization/29902
	* tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
	any involved ssa name appears in abnormal phi node.

2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
	(sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
	if the lhs has side-effects.
	<lhs_elt>: Treat the reference as a use if the rhs has side-effects.

2007-03-02  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
	modes to LDRD for DImode.
	(output_move_double): Fixup out of range ldrd/strd.
	(vfp_secondary_reload_class): Rename...
	(coproc_secondary_reload_class): ... to this.  Add wb argument.
	* config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
	coproc_secondary_reload_class for CLASS_IWMMXT.
	(SECONDARY_INPUT_RELOAD_CLASS): Ditto.
	* arm-protos.h (coproc_secondary_reload_class): Update prototype.

2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>

	* config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
	entry by means of emit_insn_at_entry.

2007-03-01  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* doc/invoke.texi (Wextra): Delete outdated paragraph.

2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa/predicates.md (move_src_operand): Allow zero for mode.
	* pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
	move pattern.

2007-02-27  Mike Stump  <mrs@apple.com>

	* config/darwin-crt3.c: Avoid compilation when compiling for a
	kext multilib.

2007-02-27  Andreas Schwab  <schwab@suse.de>

	* Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.

2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>

	* Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.

2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>

	* doc/include/gcc-common.texi (versionsubtitle): New macro.
	* doc/cpp.texi: Standardize title page.
	* doc/cppinternals.texi: Likewise.
	* doc/gcc.texi: Standardize title page, remove version number
	from copyright page.
	* doc/gccint.texi: Likewise.
	* doc/install.texi: Standardize title page, add table of
	contents.

2007-02-24  Mike Stump  <mrs@apple.com>

	* config/i386/i386.c (output_pic_addr_const): Stubify optimized
	symbols.

2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.md (muldi3): Force subregs to registers in 64-bit expander.

2007-02-23  Mike Stump  <mrs@apple.com>

	* tlink.c (scan_linker_output): Parse linker messages from
	darwin9's linker better.

2007-02-21 Ira Rosen  <irar@il.ibm.com>

	* tree-ssa-alias.c: Include pointer-set.h
	* Makefile.in (tree-ssa-alias.o): Depend on pointer-set.h.

2007-02-21  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2006-12-20  Andrew Pinski  <pinskia@gmail.com>
	PR middle-end/30143
	* omp-low.c (init_tmp_var): New function.
	(save_tmp_var): New function.
	(lower_omp_1): Use them for VAR_DECL.

2007-02-20  Alan Modra  <amodra@bigpond.net.au>

	PR target/29943
	* varasm.c (use_blocks_for_decl_p): Return false for decls with
	alias attribute.

2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
	due to calls to functions taking pointers as parameters.

2007-02-19  Richard Henderson  <rth@redhat.com>

	PR debug/29558
	* var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
	in memory.

2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.

2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>

	* calls.c (mem_overlaps_already_clobbered_arg_p): Return true
	for arg pointer based indexed addressing.

2007-02-18 Ira Rosen  <irar@il.ibm.com>

	* tree-ssa-alias.c (may_aliases_intersect): New function.
	* tree-data-ref.c (ptr_ptr_may_alias_p): Call may_aliases_intersect
	for different tags.
	* tree-flow.h (may_aliases_intersect): Add function declaration.

2007-02-17  Alexandre Oliva  <aoliva@redhat.com>

	PR tree-optimization/30823
	* tree-sra.c (sra_build_assignment): Drop type-checking assert.

2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/27843
	* Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
	nested double- and backquotes.

2007-02-15  Alexandre Oliva  <aoliva@redhat.com>

	* tree-sra.c (instantiate_missing_elements): Canonicalize
	bit-field types.
	(sra_build_assignment): New.
	(generate_copy_inout, generate_element_copy,
	generate_element_zero, generate_one_element_init): Use it.

2007-02-15  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR rtl-optimization/29599
	Backport from mainline.
	* reload1.c (eliminate_regs_in_insn): Take the destination
	mode into account when computing the offset.

2007-02-13  Joseph S. Myers  <joseph@codesourcery.com>

	* doc/invoke.texi, doc/standards.texi: Refer to
	gcc-4.2/c99status.html.

2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/30634
	* pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
	CONST_DOUBLE and operand 0 is a hard register.
	(movdi): For 64-bit target, remove code to force CONST_DOUBLE to
	memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
	is a hard floating-point register.

2007-02-06  Mark Mitchell  <mark@codesourcery.com>

	PR target/29487
	* tree.h (DECL_REPLACEABLE_P): New macro.
	* except.c (set_nothrow_function_flags): Likewise.

2007-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR c++/30703
	* gimplify.c (gimplify_scan_omp_clauses): Remove special casing
	of INDIRECT_REF <RESULT_DECL>.

2007-02-06  Rask Ingemann Lamberisen  <rask@sygehus.dk>

	PR 30370
	* config/rs6000/t-ppccomm: Correct Makefile typo.

2007-02-06  Roger Sayle  <roger@eyesopen.com>

	PR libgomp/28296
	Backport from mainline.
	* config/darwin.h (CPP_SPEC): Handle -pthread, transforming
	it into -D_REENTRANT.

2007-02-05  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/30189
	* dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
	even if cv-qualification is the same.

2007-02-05  Geoffrey Keating  <geoffk@apple.com>

	* config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
	__enable_execute_stack on completion.

2007-02-05  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.

2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

	PR target/29682
	* config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
	general or fp registers.  Add comments.
	* config/ia64/ia64.md (reg_pred_prefix): Add comment.

2007-02-04  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2007-01-30  Richard Guenther  <rguenther@suse.de>

	PR middle-end/27657
	* dwarf2out.c (reference_to_unused): Query varpool if the
	variable was output.

2007-02-02  Mike Stump  <mrs@apple.com>

	* config.gcc (*-*-darwin*): Backport darwin9.h bits.
	* config/darwin9.h: Add.
	* config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
	(output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
	generate a branch island.

2007-02-02  Hui-May Chang  <hm.chang@apple.com>

	Revert for x86 darwin:
	2005-06-19  Uros Bizjak  <uros@kss-loka.si>

	* config/i386/i386.c (ix86_function_arg_regno_p): Put back the
	code before the following patch under TARGET_MACHO.
	(ix86_function_value_regno_p): Likewise.

2007-02-02  Simon Martin  <simartin@users.sourceforge.net>

	PR c++/28266
	* gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
	expanded only once even if an error occurs.

2007-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/30473
	* builtins.c (fold_builtin_sprintf): Do not attempt to optimize
	sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).

2007-02-01  Guy Martin  <gmsoft@gentoo.org>

	* pa.md (tp_load): Correct mfctl instruction syntax.

2007-02-01  Geoffrey Keating  <geoffk@apple.com>

	* config/rs6000/rs6000.c (rs6000_stack_info): Correct
	altivec_padding_size calculation on AIX.  Improve comment, add
	assert to verify that it's right.

2007-01-31  Anatoly Sokolov <aesok@post.ru>

	PR target/19087
	* config/avr/avr.c (DWARF2_ADDR_SIZE): Define.

2007-01-30  Richard Guenther  <rguenther@suse.de>

	PR middle-end/30313
	* passes.c (execute_one_pass): Reset in_gimple_form to not
	confuse non-unit-at-a-time mode.

2007-01-27  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define __AVR_HAVE_MUL__.

2007-01-29  Mike Stump  <mrs@apple.com>

	* doc/gccint.texi (Top): Rename Loop Representation to Loop
	Analysis and Representation to resolve case insensitive conflict.
	* doc/loop.texi (Loop Analysis and Representation): Likewise.

2007-01-29  Josh Conner  <jconner@apple.com>

	PR middle-end/29683
	* calls.c (compute_argument_addresses): Set stack and stack_slot
	for partial args, too.
	(store_one_arg): Use locate.size.constant for the size when
	generating a save_area.

2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/sourcebuild.texi: Add comma for clarity.
	* doc/extend.texi: Fix some typos.
	* doc/passes.texi: Likewise.
	* doc/cppinternals.texi: Likewise.
	* doc/c-tree.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.
	* doc/install.texi: Likewise.

2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>

	PR tree-optimization/29516
	* tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
	most_expensive_mult_to_index, addr_to_parts,
	create_mem_ref, maybe_fold_tmr): Make the type of
	fields of TARGET_MEM_REF sizetype.
	(move_fixed_address_to_symbol, move_pointer_to_base,
	aff_combination_remove_elt): New functions.
	* tree.def (TARGET_MEM_REF): Add comment on types of
	the operands.
	* gcc.dg/tree-ssa/loop-20.c: New test.

2007-01-25  Geoffrey Keating  <geoffk@apple.com>

	PR 25127
	* config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
	save Altivec registers in an eh_return function.
	(compute_vrsave_mask): Likewise.
	(rs6000_stack_info): Correct AIX/Darwin stack alignment computation
	for saving Altivec registers.
	(rs6000_emit_prologue): Don't allocate stack twice in
	eh_return function.  Correct expected value of altivec_save_offset
	when using save_world.  Describe save of R0 to stack when using
	save_world.  Describe stack pointer adjustment when using
	save_world.  Remove duplicated eh_return parameter register saving.
	Update sp_offset variable after save_world.
	* config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
	darwin-world.asm.
	(LIB2FUNCS_EXTRA): Add darwin-world.asm.
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
	implies Altivec.

2007-01-24  Geoffrey Keating  <geoffk@apple.com>

	* unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.

2007-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/27416
	* gimplify.c (omp_check_private): New function.
	(gimplify_scan_omp_clauses): Use it for
	firstprivate/lastprivate/reduction.

	PR middle-end/30494
	* gimplify.c (omp_add_variable): Don't call omp_notice_variable
	on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.

	PR middle-end/30421
	* omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
	If lower_lastprivate_clauses emits some statements, append them
	to dlist rather than body_p and to body_p append an initializer.
	(lower_omp_for): Adjust caller.

2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR rtl-optimization/29329
	* combine.c (replaced_rhs_insn): Rename to i2mod.
	(replaced_rhs_value): Rename to i2mod_new_rhs.
	(i2mod_old_rhs): New global variable.
	(combine_instructions): Adjust for above change.  Save a copy of
	the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
	note are substituted in the second instruction.
	(distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
	ditch the note if it pertains to the second eliminated register
	and this register is mentioned in i2mod_old_rhs.

	Revert:
	2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
	the insn to which the note was originally attached.

2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (output_move_double): Change array size of xoperands to 4.

2007-01-17  Eric Christopher  <echristo@apple.com>

	Backport from mainline:
	2006-12-18  Roger Sayle  <roger@eyesopen.com>
	            Eric Christopher  <echristo@apple.com>

	PR target/29302
	* real.c (real_maxval): Correctly handle IBM extended double format.

2007-01-17  Tom Tromey  <tromey@redhat.com>

	* doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
	* doc/install.texi (Testing): Use sourceware.org.
	(Binaries): Likewise.
	(Specific): Likewise.
	* doc/contrib.texi (Contributors): Use sourceware.org.

2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>

	* config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
	glibc CVS.

2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
	* pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
	(ASM_OUTPUT_INTERNAL_LABEL): Define.

2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>

	* config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.

2007-01-09  Nicolas Pitre  <nico@cam.org>

	PR target/30173
	* arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.

2007-01-08  Nick Clifton  <nickc@redhat.com>

	* config/frv/predicates.md (reg_or_0_operand): Accept
	CONST_DOUBLEs.

2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>

	* config/bfin/rtems.h, config/bfin/t-rtems: New.
	* config.gcc: Add bfin*-rtems*.

2007-01-08  Chen liqin  <liqin@sunnorth.com.cn>
	* config/score/t-score-elf (MULTILIB_OPTIONS): Change.
	* config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
	const_simm15, const_pow2, const_npow2): Added.
	* config/score/misc.md (insv, extv, extzv, movmemsi,
	move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
	* config/score/score.c (score_address_cost, score_select_cc_mode):
	Added.
	Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
	Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
	Update score_print_operand.
	* config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
	Adjust register allocate order and update some macro define.
	* config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
	mdx_block_move_straight, mdx_block_move_loop_head,
	mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
	mdx_block_move): Added.
	(mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
	mdp_limm): Updated and fix some bug and typo.
	* config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
	(movsf, movdf, doloop_end): Added.

2007-01-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/27826
	* tree.c (get_narrower): Do not construct COMPONENT_REFs
	with mismatched types.  Instead explicitly build a
	conversion NOP_EXPR.

2007-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR c/30360
	* libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
	denom against 0.0.

2007-01-03  Jakub Jelinek  <jakub@redhat.com>

	* unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
	(struct _Unwind_Context): Rename args_size to flags, remove
	signal_frame field, add a new args_size field and version field.
	(_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
	_Unwind_IsExtendedContext): New inline functions.
	(_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
	Assume by_value array is only present if _Unwind_IsExtendedContext.
	(_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
	_Unwind_IsSignalFrame.
	(__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
	(uw_update_context_1): Use _Unwind_SetSignalFrame.
	(uw_init_context_1): Initialize context->flags to
	EXTENDED_CONTEXT_BIT.
	* config/rs6000/linux-unwind.h (frob_update_context): Use
	_Unwind_SetSignalFrame.

2007-01-01  Mike Stump  <mrs@apple.com>

	* configure.ac: Remove support for building with Apple's gcc-3.1.

2007-01-01  Andreas Schwab  <schwab@suse.de>

	PR target/29166
	* config/ia64/ia64.c (ia64_compute_frame_size): Account space for
	save of BR0 in extra_spill_size instead of spill_size.
	(ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
	area.
	(ia64_expand_epilogue): Restore BR0 from its new location.
OpenPOWER on IntegriCloud