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authorkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>1995-08-26 10:56:12 +0000
committerkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>1995-08-26 10:56:12 +0000
commit50fad108e70c4b9a4334bb7891b882a06d55a3f1 (patch)
treea7250e4e0257c92dbe0df2e4b2adcd5e6ab9fa71 /gcc/reload.c
parentc2e053d8c54f90d835141af958f204ca11291ff0 (diff)
downloadgcc-50fad108e70c4b9a4334bb7891b882a06d55a3f1.tar.gz
(push_secondary_reload): If X is a paradoxical SUBREG, get mode and
thing to reload from inside. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@10283 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
-rw-r--r--gcc/reload.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/reload.c b/gcc/reload.c
index b33eb4babfc..4f0a9ae2cf8 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -356,6 +356,16 @@ push_secondary_reload (in_p, x, opnum, optional, reload_class, reload_mode,
*picode = CODE_FOR_nothing;
+ /* If X is a paradoxical SUBREG, use the inner value to determine both the
+ mode and object being reloaded. */
+ if (GET_CODE (x) == SUBREG
+ && (GET_MODE_SIZE (GET_MODE (x))
+ > GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))))
+ {
+ x = SUBREG_REG (x);
+ reload_mode = GET_MODE (x);
+ }
+
/* If X is a pseudo-register that has an equivalent MEM (actually, if it
is still a pseudo-register by now, it *must* have an equivalent MEM
but we don't want to assume that), use that equivalent when seeing if