From bf822eb6a38d62ab8623fd860c654820e69aea6d Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 8 Mar 2007 02:56:40 +0000
Subject: [PATCH] Change register allocation order to Dale's suggestion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35021 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMRegisterInfo.td | 32 +++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/lib/Target/ARM/ARMRegisterInfo.td b/lib/Target/ARM/ARMRegisterInfo.td
index 4e093fdae7f..b46a9522049 100644
--- a/lib/Target/ARM/ARMRegisterInfo.td
+++ b/lib/Target/ARM/ARMRegisterInfo.td
@@ -99,30 +99,34 @@ def GPR : RegisterClass<"ARM", [i32], 32, [R0, R1, R2, R3, R4, R5, R6,
   // generate large stack offset. Make it available once we have register
   // scavenging. Similarly r3 is reserved in Thumb mode for now.
   let MethodBodies = [{
-    // FP is R11, R9 is available, R12 is available.
+    // FP is R11, R9 is available.
     static const unsigned ARM_GPR_AO_1[] = {
       ARM::R3, ARM::R2, ARM::R1, ARM::R0,
+      ARM::R12,ARM::LR,
       ARM::R4, ARM::R5, ARM::R6, ARM::R7,
-      ARM::R8, ARM::R9, ARM::R10,ARM::R12,
-      ARM::LR, ARM::R11 };
-    // FP is R11, R9 is not available, R12 is available.
+      ARM::R8, ARM::R9, ARM::R10,
+      ARM::R11 };
+    // FP is R11, R9 is not available.
     static const unsigned ARM_GPR_AO_2[] = {
       ARM::R3, ARM::R2, ARM::R1, ARM::R0,
+      ARM::R12,ARM::LR,
       ARM::R4, ARM::R5, ARM::R6, ARM::R7,
-      ARM::R8, ARM::R10,ARM::R12,
-      ARM::LR, ARM::R11 };
-    // FP is R7, R9 is available, R12 is available.
+      ARM::R8, ARM::R10,
+      ARM::R11 };
+    // FP is R7, R9 is available.
     static const unsigned ARM_GPR_AO_3[] = {
       ARM::R3, ARM::R2, ARM::R1, ARM::R0,
-      ARM::R4, ARM::R5, ARM::R6, ARM::R8,
-      ARM::R9, ARM::R10,ARM::R11,ARM::R12,
-      ARM::LR, ARM::R7 };
-    // FP is R7, R9 is not available, R12 is available.
+      ARM::R12,ARM::LR,
+      ARM::R4, ARM::R5, ARM::R6,
+      ARM::R8, ARM::R9, ARM::R10,ARM::R11,
+      ARM::R7 };
+    // FP is R7, R9 is not available.
     static const unsigned ARM_GPR_AO_4[] = {
       ARM::R3, ARM::R2, ARM::R1, ARM::R0,
-      ARM::R4, ARM::R5, ARM::R6, ARM::R8,
-      ARM::R10,ARM::R11,ARM::R12,
-      ARM::LR, ARM::R7 };
+      ARM::R12,ARM::LR,
+      ARM::R4, ARM::R5, ARM::R6,
+      ARM::R8, ARM::R10,ARM::R11,
+      ARM::R7 };
 
     // FP is R7, only low registers available.
     static const unsigned THUMB_GPR_AO[] = {