From: dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 30 May 2006 22:53:48 +0000 (+0000)
Subject: * config/m32c/m32c.c (m32c_expand_insv): Check that the value
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7b4716cfa350bcc85a680c7c81f7caadee3899a7;p=thirdparty%2Fgcc.git

* config/m32c/m32c.c (m32c_expand_insv): Check that the value
we're inserting is a singlt-bit constant.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114250 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ed782e16ee66..04a83735875f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-05-30  Naveen.H.S  <naveenh@kpitcummins.com>
+	    DJ Delorie  <dj@redhat.com>
+
+	* config/m32c/m32c.c (m32c_expand_insv): Check that the value
+	we're inserting is a singlt-bit constant.
+
 2006-05-30  Roger Sayle  <roger@eyesopen.com>
 
 	* simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
diff --git a/gcc/config/m32c/m32c.c b/gcc/config/m32c/m32c.c
index 186f666d0fbc..6fddc4b27607 100644
--- a/gcc/config/m32c/m32c.c
+++ b/gcc/config/m32c/m32c.c
@@ -3435,6 +3435,14 @@ m32c_expand_insv (rtx *operands)
   if (INTVAL (operands[1]) != 1)
     return 1;
 
+  /* Our insv opcode (bset, bclr) can only insert a one-bit constant.  */
+  if (GET_CODE (operands[3]) != CONST_INT)
+    return 1;
+  if (INTVAL (operands[3]) != 0
+      && INTVAL (operands[3]) != 1
+      && INTVAL (operands[3]) != -1)
+    return 1;
+
   mask = 1 << INTVAL (operands[2]);
 
   op0 = operands[0];