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From-SVN: r418
This commit is contained in:
Richard Stallman 1992-03-08 02:14:04 +00:00
parent 86f8eff3d6
commit 2758481d8b
1 changed files with 10 additions and 0 deletions
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10
gcc/reload1.c
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@ -3260,6 +3260,16 @@ reload_as_needed (first, live_known)
}
#endif /* SMALL_REGISTER_CLASSES */
/* If this is a USE and CLOBBER of a MEM, ensure that any
references to eliminable registers have been removed. */
if ((GET_CODE (PATTERN (insn)) == USE
|| GET_CODE (PATTERN (insn)) == CLOBBER)
&& GET_CODE (XEXP (PATTERN (insn), 0)) == MEM)
XEXP (XEXP (PATTERN (insn), 0), 0)
= eliminate_regs (XEXP (XEXP (PATTERN (insn), 0), 0),
GET_MODE (XEXP (PATTERN (insn), 0)), 0);
/* If we need to do register elimination processing, do so.
This might delete the insn, in which case we are done. */
if (num_eliminable && GET_MODE (insn) == QImode)