From: Richard Sandiford <rsandifo@redhat.com>
Date: Wed, 11 Jul 2001 09:41:34 +0000 (+0000)
Subject: * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
X-Git-Tag: prereleases/libstdc++-3.0.95~3341
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bd77ba510b469f632c92c9959b2fb591a9eb7c17;p=thirdparty%2Fgcc.git

* simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.

From-SVN: r43933
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c5238646b0b5..eeedbaf0ce1d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
+
+	* simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
+
 2001-07-11  Richard Sandiford  <rsandifo@redhat.com>
 
 	* config/mips/mips.c (gen_int_relational): Tell the caller not to
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index b5006d83de39..a455f4170230 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -2446,6 +2446,9 @@ simplify_gen_subreg (outermode, op, innermode, byte)
       || byte >= GET_MODE_SIZE (innermode))
     abort ();
 
+  if (GET_CODE (op) == QUEUED)
+    return NULL_RTX;
+
   new = simplify_subreg (outermode, op, innermode, byte);
   if (new)
     return new;