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reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent is not a valid memory_operand. 

* reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
	is not a valid memory_operand.

From-SVN: r50681
This commit is contained in:
Ulrich Weigand 2002-03-12 21:02:24 +00:00 committed by Ulrich Weigand
parent b3dd43df63
commit 6a45951fb2
2 changed files with 11 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-03-12 Ulrich Weigand <uweigand@de.ibm.com>
* reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
is not a valid memory_operand.
2002-03-12 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS.

7
gcc/reload1.c
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@ -790,7 +790,12 @@ reload (first, global)
i = REGNO (SET_DEST (set));
if (i > LAST_VIRTUAL_REGISTER)
{
if (GET_CODE (x) == MEM)
/* It can happen that a REG_EQUIV note contains a MEM
that is not a legitimate memory operand. As later
stages of reload assume that all addresses found
in the reg_equiv_* arrays were originally legitimate,
we ignore such REG_EQUIV notes. */
if (memory_operand (x, VOIDmode))
{
/* Always unshare the equivalence, so we can
substitute into this insn without touching the