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author | Richard Kenner <kenner@gcc.gnu.org> | 1995-08-26 06:56:12 -0400 |
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committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-08-26 06:56:12 -0400 |
commit | 67340b0310b5f62fe9e6ff0316cf8cbe556278d1 (patch) | |
tree | a7250e4e0257c92dbe0df2e4b2adcd5e6ab9fa71 /gcc | |
parent | e5cfb88fc9232c09e0578ee2d72e9b74dc2b6ba4 (diff) | |
download | gcc-67340b0310b5f62fe9e6ff0316cf8cbe556278d1.zip gcc-67340b0310b5f62fe9e6ff0316cf8cbe556278d1.tar.gz gcc-67340b0310b5f62fe9e6ff0316cf8cbe556278d1.tar.bz2 |
(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.c | 10 |
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 |