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authorRichard Kenner <kenner@gcc.gnu.org>1995-08-26 06:56:12 -0400
committerRichard Kenner <kenner@gcc.gnu.org>1995-08-26 06:56:12 -0400
commit67340b0310b5f62fe9e6ff0316cf8cbe556278d1 (patch)
treea7250e4e0257c92dbe0df2e4b2adcd5e6ab9fa71 /gcc
parente5cfb88fc9232c09e0578ee2d72e9b74dc2b6ba4 (diff)
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(push_secondary_reload): If X is a paradoxical SUBREG, get mode and
thing to reload from inside. From-SVN: r10283
Diffstat (limited to 'gcc')
-rw-r--r--gcc/reload.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/reload.c b/gcc/reload.c
index b33eb4b..4f0a9ae 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