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| author | Richard Guenther <rguenther@suse.de> | 2009-05-20 08:19:50 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-05-20 08:19:50 +0000 |
| commit | 0328ae4d560fdd0e50c48c65660c489e36ab8ca5 (patch) | |
| tree | 8e5d1ff8ef8bb98b797191bdea3d8cbef82b2472 | |
| parent | a7994a57b9b7f80eb0f3d8ebe40184b963f25c59 (diff) | |
| download | gcc-0328ae4d560fdd0e50c48c65660c489e36ab8ca5.zip gcc-0328ae4d560fdd0e50c48c65660c489e36ab8ca5.tar.gz gcc-0328ae4d560fdd0e50c48c65660c489e36ab8ca5.tar.bz2 | |
expr.c (expand_expr_real_1): Avoid calling do_store_flag with mismatched comparison modes.
2009-05-20 Richard Guenther <rguenther@suse.de>
* expr.c (expand_expr_real_1): Avoid calling do_store_flag
with mismatched comparison modes.
* gcc.c-torture/compile/20090518-1.c: New testcase.
From-SVN: r147731
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expr.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20090518-1.c | 6 |
4 files changed, 21 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b64bdce..19a59b5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2009-05-20 Richard Guenther <rguenther@suse.de> + + * expr.c (expand_expr_real_1): Avoid calling do_store_flag + with mismatched comparison modes. + 2009-05-20 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM. @@ -9042,7 +9042,12 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode, case LTGT_EXPR: temp = do_store_flag (exp, modifier != EXPAND_STACK_PARM ? target : NULL_RTX, - tmode != VOIDmode ? tmode : mode); + (tmode != VOIDmode + /* do_store_flag does not handle target modes + of a different class than the comparison mode. + Avoid ICEing in convert_move. */ + && GET_MODE_CLASS (tmode) == GET_MODE_CLASS (mode)) + ? tmode : mode); if (temp != 0) return temp; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6b462b6..cca56e5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2009-05-20 Richard Guenther <rguenther@suse.de> + + * gcc.c-torture/compile/20090518-1.c: New testcase. + 2009-05-19 Zdenek Dvorak <ook@ucw.cz> PR tree-optimization/40087 diff --git a/gcc/testsuite/gcc.c-torture/compile/20090518-1.c b/gcc/testsuite/gcc.c-torture/compile/20090518-1.c new file mode 100644 index 0000000..709504c --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20090518-1.c @@ -0,0 +1,6 @@ +float +foo(int i) +{ + int j = i == 42; + return *(float *)&j; +} |