From fc2380b93fff8f0f32b7e8b5d019bb6ed5310b74 Mon Sep 17 00:00:00 2001
From: Joern Rennecke <amylaar@gcc.gnu.org>
Date: Wed, 6 Nov 1996 03:48:54 +0000
Subject: [PATCH] (define_split for and_shl_scratch):

Use rtx_equal_p on the operands to find out which alternative is used.

From-SVN: r13102
---
 gcc/config/sh/sh.md | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index 5e99bfd3caa..07bc69afdbe 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -1224,12 +1224,11 @@
   [(use (reg:SI 0))]
   "
 {
-  rtx and_source = operands[1];
+  rtx and_source = operands[rtx_equal_p (operands[0], operands[1]) ? 3 : 1];
 
   if (INTVAL (operands[2]))
     {
       gen_shifty_op (LSHIFTRT, operands);
-      and_source = operands[3];
     }
   emit_insn (gen_andsi3 (operands[0], operands[0], and_source));
   operands[2] = operands[4];
-- 
2.30.2