From 34ed721af4b869895c95188c524df82197566ba7 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Tue, 23 Jul 2013 01:48:08 +0000
Subject: [PATCH] R600: Simplify assembly for KCache registers using the
 TableGen !add operator

Before:

MOV * T0.W, KC0[131-128].Y

After:

MOV * T0.W, KC0[3].Y

Reviewed-by: Vincent Lejeune <vljn at ovi.com>
llvm-svn: 186917
---
 llvm/lib/Target/R600/R600RegisterInfo.td | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Target/R600/R600RegisterInfo.td b/llvm/lib/Target/R600/R600RegisterInfo.td
index 66aa91628e13..1eabccbd59a6 100644
--- a/llvm/lib/Target/R600/R600RegisterInfo.td
+++ b/llvm/lib/Target/R600/R600RegisterInfo.td
@@ -47,10 +47,10 @@ foreach Index = 0-127 in {
 foreach Index = 159-128 in {
   foreach Chan = [ "X", "Y", "Z", "W" ] in {
     // 32-bit Temporary Registers
-    def KC0_#Index#_#Chan : R600RegWithChan <"KC0["#Index#"-128]."#Chan, Index, Chan>;
+    def KC0_#Index#_#Chan : R600RegWithChan <"KC0["#!add(Index,-128)#"]."#Chan, Index, Chan>;
   }
   // 128-bit Temporary Registers
-  def KC0_#Index#_XYZW : R600Reg_128 <"KC0["#Index#"-128].XYZW",
+  def KC0_#Index#_XYZW : R600Reg_128 <"KC0["#!add(Index, -128)#"].XYZW",
                                  [!cast<Register>("KC0_"#Index#"_X"),
                                   !cast<Register>("KC0_"#Index#"_Y"),
                                   !cast<Register>("KC0_"#Index#"_Z"),
@@ -62,10 +62,10 @@ foreach Index = 159-128 in {
 foreach Index = 191-160 in {
   foreach Chan = [ "X", "Y", "Z", "W" ] in {
     // 32-bit Temporary Registers
-    def KC1_#Index#_#Chan : R600RegWithChan <"KC1["#Index#"-160]."#Chan, Index, Chan>;
+    def KC1_#Index#_#Chan : R600RegWithChan <"KC1["#!add(Index,-160)#"]."#Chan, Index, Chan>;
   }
   // 128-bit Temporary Registers
-  def KC1_#Index#_XYZW : R600Reg_128 <"KC1["#Index#"-160].XYZW",
+  def KC1_#Index#_XYZW : R600Reg_128 <"KC1["#!add(Index, -160)#"].XYZW",
                                  [!cast<Register>("KC1_"#Index#"_X"),
                                   !cast<Register>("KC1_"#Index#"_Y"),
                                   !cast<Register>("KC1_"#Index#"_Z"),
-- 
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