From: Richard Stallman <rms@gnu.org>
Date: Thu, 6 May 1993 17:30:45 +0000 (+0000)
Subject: (extendsidi2): Use cdq, not cwtl.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8a2648ca071f01d3e09a649218e7aabaa6820233;p=gcc.git

(extendsidi2): Use cdq, not cwtl.

From-SVN: r4363
---

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);