From cfc828a3d050b0e07fd01b643586a3d61e230b13 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 28 Sep 2005 18:10:51 +0000
Subject: [PATCH] add support for missed eqv tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23496 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/PowerPC/PPCInstrInfo.td | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 3bba5883738..d774f8455a2 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -766,10 +766,18 @@ def RLDICR : MDForm_1<30, 1,
 def : Pat<(i32 imm:$imm),
           (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
 
+
 // Implement the 'not' operation with the NOR instruction.
 def NOT : Pat<(not GPRC:$in),
               (NOR GPRC:$in, GPRC:$in)>;
 
+// EQV patterns
+def EQV1 : Pat<(xor (not GPRC:$in1), GPRC:$in2),
+               (EQV GPRC:$in1, GPRC:$in2)>;
+// FIXME: This should be autogenerated from the above due to xor commutativity.
+def EQV2 : Pat<(xor GPRC:$in1, (not GPRC:$in2)),
+               (EQV GPRC:$in1, GPRC:$in2)>;
+
 // or by an arbitrary immediate.
 def : Pat<(or GPRC:$in, imm:$imm),
           (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
@@ -778,6 +786,7 @@ def : Pat<(xor GPRC:$in, imm:$imm),
           (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
 
 
+
 // Same as above, but using a temporary. FIXME: implement temporaries :)
 /*
 def : Pattern<(xor GPRC:$in, imm:$imm),
-- 
2.34.1