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re PR target/43636 (ICE in extract_insn, at recog.c:2103) 

PR target/43636
	* builtins.c (expand_movstr): Use a temporary pseudo instead
	of target even when target is not NULL and not const0_rtx, but
	fails movstr predicate.
	* config/m32c/blkmov.md (movstr): Add predicate to first operand.

	* gcc.c-torture/compile/pr43636.c: New test.

From-SVN: r159972
This commit is contained in:
Jakub Jelinek 2010-05-28 15:35:56 +02:00
parent 773c1c8d20
commit 005d613b2d
5 changed files with 34 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2010-05-28 Jakub Jelinek <jakub@redhat.com>
PR target/43636
* builtins.c (expand_movstr): Use a temporary pseudo instead
of target even when target is not NULL and not const0_rtx, but
fails movstr predicate.
* config/m32c/blkmov.md (movstr): Add predicate to first operand.
2010-05-28 Joseph Myers <joseph@codesourcery.com>
* final.c (rest_of_clean_state): Use %m in errors instead of

9
gcc/builtins.c
View File

@ -3560,6 +3560,7 @@ expand_movstr (tree dest, tree src, rtx target, int endp)
dest_mem = get_memory_rtx (dest, NULL);
src_mem = get_memory_rtx (src, NULL);
data = insn_data + CODE_FOR_movstr;
if (!endp)
{
target = force_reg (Pmode, XEXP (dest_mem, 0));
@ -3568,18 +3569,18 @@ expand_movstr (tree dest, tree src, rtx target, int endp)
}
else
{
if (target == 0 || target == const0_rtx)
if (target == 0
|| target == const0_rtx
|| ! (*data->operand[0].predicate) (target, Pmode))
{
end = gen_reg_rtx (Pmode);
if (target == 0)
if (target != const0_rtx)
target = end;
}
else
end = target;
}
data = insn_data + CODE_FOR_movstr;
if (data->operand[0].mode != VOIDmode)
end = gen_lowpart (data->operand[0].mode, end);

4
gcc/config/m32c/blkmov.md
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@ -1,5 +1,5 @@
;; Machine Descriptions for R8C/M16C/M32C
;; Copyright (C) 2006, 2007
;; Copyright (C) 2006, 2007, 2010
;; Free Software Foundation, Inc.
;; Contributed by Red Hat.
;;
@ -214,7 +214,7 @@
;; 2 = source (mem:BLK ...)
(define_expand "movstr"
[(match_operand 0 "" "")
[(match_operand 0 "m32c_nonimmediate_operand" "")
(match_operand 1 "ap_operand" "")
(match_operand 2 "ap_operand" "")
]

13
gcc/testsuite/ChangeLog
View File

@ -1,6 +1,11 @@
2010-05-28 Jakub Jelinek <jakub@redhat.com>
PR target/43636
* gcc.c-torture/compile/pr43636.c: New test.
2010-05-28 Iain Sandoe <iains@gcc.gnu.org>
PR ObjC++/23616
PR objc++/23616
* obj-c++.dg/try-catch-2.mm: Adjust xfail.
* obj-c++.dg/try-catch-9.mm: Ditto.
@ -21,7 +26,7 @@
2010-05-27 Iain Sandoe <iains@gcc.gnu.org>
PR ObjC/44140
PR objc/44140
* objc.dg/torture/tls/thr-init-2.m: Skip for -flto, -fwhopr.
* objc.dg/torture/tls/thr-init-3.m: Ditto.
* objc.dg/torture/tls/thr-init.m: Ditto.
@ -152,7 +157,7 @@
2010-05-25 Iain Sandoe <iains@gcc.gnu.org>
PR ObjC/44140
PR objc/44140
* objc.dg/torture/tls/thr-init-3.m: XFAIL lto/whopr for all.
2010-05-25 Iain Sandoe <iains@gcc.gnu.org>
@ -182,7 +187,7 @@
2010-05-24 Iain Sandoe <iains@gcc.gnu.org>
PR ObjC++/43689
PR objc++/43689
* obj-c++.dg/const-str-5.mm: Name pointer equivalence union.
* obj-c++.dg/const-str-6.mm: Ditto.

10
gcc/testsuite/gcc.c-torture/compile/pr43636.c Normal file
View File

@ -0,0 +1,10 @@
/* PR target/43636 */
extern char a[], *b[];
char *
foo (char *x, int y)
{
x = __builtin_stpcpy (x, b[a[y]]);
return x;
}