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(push_secondary_reload): If X is a paradoxical SUBREG, get mode and 

thing to reload from inside.

From-SVN: r10283
This commit is contained in:
Richard Kenner 1995-08-26 06:56:12 -04:00
parent e5cfb88fc9
commit 67340b0310
1 changed files with 10 additions and 0 deletions
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10
gcc/reload.c
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@ -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