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| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-02-24 12:46:52 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-02-24 12:46:52 +0000 |
| commit | e99172f220aa963aaa0fd1e0f07819249cb98a93 (patch) | |
| tree | 99233f48d28edd8bdceacfb41c695098e8b5393d /gcc/optabs.c | |
| parent | 8c275f0229ae41e95f0ee735d6fa31676acf072c (diff) | |
| download | gcc-e99172f220aa963aaa0fd1e0f07819249cb98a93.tar.gz | |
* optabs.c (widen_operand): Only call convert_modes for
promoted SUBREG if signedness matches.
* config/alpha/alpha.md (*addsi_se2, *subsi_se2): New patterns.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50004 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index 2a2ebb3a8df..69fb999a7de 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -191,7 +191,8 @@ widen_operand (op, mode, oldmode, unsignedp, no_extend) do so. */ if (! no_extend || GET_MODE (op) == VOIDmode - || (GET_CODE (op) == SUBREG && SUBREG_PROMOTED_VAR_P (op))) + || (GET_CODE (op) == SUBREG && SUBREG_PROMOTED_VAR_P (op) + && SUBREG_PROMOTED_UNSIGNED_P (op) == unsignedp)) return convert_modes (mode, oldmode, op, unsignedp); /* If MODE is no wider than a single word, we return a paradoxical |