From 068758e518f0fe4ab67490f2eec0fd3b376a4d2c Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 1 Aug 2004 08:12:13 +0000
Subject: [PATCH] give FP stack registers names

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15394 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86RegisterInfo.td | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td
index 497f343294e..a685ad72937 100644
--- a/lib/Target/X86/X86RegisterInfo.td
+++ b/lib/Target/X86/X86RegisterInfo.td
@@ -101,7 +101,10 @@ def R32 : RegisterClass<i32, 4, [EAX, ECX, EDX, ESI, EDI, EBX, EBP, ESP]> {
 
 def RFP : RegisterClass<f80, 4, [FP0, FP1, FP2, FP3, FP4, FP5, FP6]>;
 
-// Registers which cannot be allocated... and are thus left unnamed.
-def : RegisterClass<f80, 4, [ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7]>;
+// Floating point stack registers.
+def RST : RegisterClass<f80, 4, [ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7]>;
+
+
+// Registers which cannot be allocated.
 //def : RegisterClass<i16, 2, [EFLAGS]>;