From: Torbjorn Granlund <tege@gnu.org>
Date: Tue, 30 Jul 1996 19:03:29 +0000 (+0000)
Subject: (eq reg (const_int 0)): New pattern.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ef64fa154d56b761185db501c02d71c6f78bc437;p=gcc.git

(eq reg (const_int 0)): New pattern.

From-SVN: r12575
---

diff --git a/gcc/config/i960/i960.md b/gcc/config/i960/i960.md
index 1891a3ec118..f6ca00e3850 100644
--- a/gcc/config/i960/i960.md
+++ b/gcc/config/i960/i960.md
@@ -350,6 +350,13 @@
   operands[1] = gen_compare_reg (LEU, i960_compare_op0, i960_compare_op1);
 }")
 
+(define_insn ""
+  [(set (match_operand:SI 0 "general_operand" "=d")
+	(eq:SI (match_operand:SI 1 "register_operand" "d") (const_int 0)))]
+  ""
+  "shro	%1,1,%0"
+  [(set_attr "type" "alu2")])
+
 (define_insn ""
   [(set (match_operand:SI 0 "general_operand" "=d")
 	(match_operator:SI 1 "comparison_operator" [(reg:CC 36) (const_int 0)]))]