From: Hans-Peter Nilsson <hp@gcc.gnu.org>
Date: Tue, 10 Jan 2006 18:13:16 +0000 (+0000)
Subject: re PR target/25718 (invalid assembly for unsigned-minimum expressions.)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d76fe40bcfdcc0012388894d3bccbd6630ec32ea;p=gcc.git

re PR target/25718 (invalid assembly for unsigned-minimum expressions.)

	PR target/25718
	* config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
	for a negative bound.

From-SVN: r109548
---

diff --git a/gcc/config/cris/cris.md b/gcc/config/cris/cris.md
index 5665897ebf6..a6573195b44 100644
--- a/gcc/config/cris/cris.md
+++ b/gcc/config/cris/cris.md
@@ -2679,11 +2679,16 @@
 {
   if (GET_CODE (operands[2]) == CONST_INT)
     {
-      if (INTVAL (operands[2]) < 256)
-	return "bound.b %2,%0";
+      /* Constant operands are zero-extended, so only 32-bit operands
+	 may be negative.  */
+      if (INTVAL (operands[2]) >= 0)
+	{
+	  if (INTVAL (operands[2]) < 256)
+	    return "bound.b %2,%0";
 
-      if (INTVAL (operands[2]) < 65536)
-	return "bound.w %2,%0";
+	  if (INTVAL (operands[2]) < 65536)
+	    return "bound.w %2,%0";
+	}
     }
   else if (which_alternative == 3)
     return "bound.d %2,%1,%0";