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authoruweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-12 21:02:24 +0000
committeruweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-12 21:02:24 +0000
commit295a8b81c84427deede101bacbba85cb24ab86f0 (patch)
treec09264915a380c9c33fd01f4eafe57c4dce2b6e4
parent8916275cffc51cb13c7e9622adc824ef109a20bc (diff)
downloadppe42-gcc-295a8b81c84427deede101bacbba85cb24ab86f0.tar.gz
ppe42-gcc-295a8b81c84427deede101bacbba85cb24ab86f0.zip
* reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
is not a valid memory_operand. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50681 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/reload1.c7
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 87e5ca1afcf..5f02f153583 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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.
diff --git a/gcc/reload1.c b/gcc/reload1.c
index a3519efe3c4..fce489da0d0 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
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