From 8a2648ca071f01d3e09a649218e7aabaa6820233 Mon Sep 17 00:00:00 2001
From: Richard Stallman <rms@gnu.org>
Date: Thu, 6 May 1993 17:30:45 +0000
Subject: [PATCH] (extendsidi2): Use cdq, not cwtl.

From-SVN: r4363
---
 gcc/config/i386/i386.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index e6794cda377..b5a1b384169 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -1130,7 +1130,8 @@
   "*
 {
   if (REGNO (operands[0]) == 0)
-    return \"cwtl\";
+    /* This used to be cwtl, but that extends HI to SI somehow.  */
+    return \"cdq\";
 
   operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
   output_asm_insn (AS2 (mov%L0,%0,%1), operands);
-- 
2.30.2