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authorUlrich Weigand <uweigand@de.ibm.com>2002-03-12 21:02:24 +0000
committerUlrich Weigand <uweigand@gcc.gnu.org>2002-03-12 21:02:24 +0000
commit6a45951fb24c1e9196b11f68d7c3ad79a54512cf (patch)
treec09264915a380c9c33fd01f4eafe57c4dce2b6e4 /gcc/reload1.c
parentb3dd43df63398076775e3100971de43c61af3fd1 (diff)
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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
Diffstat (limited to 'gcc/reload1.c')
-rw-r--r--gcc/reload1.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c
index a3519ef..fce489d 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -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