From 91b00d98a5973d47b831495f5c668bbb185c7a15 Mon Sep 17 00:00:00 2001
From: Nilay Vaish <nilay@cs.wisc.edu>
Date: Tue, 15 Jan 2013 07:43:19 -0600
Subject: x86: implement fabs, fchs instructions

---
 src/arch/x86/isa/insts/x87/arithmetic/change_sign.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'src/arch/x86/isa/insts')

diff --git a/src/arch/x86/isa/insts/x87/arithmetic/change_sign.py b/src/arch/x86/isa/insts/x87/arithmetic/change_sign.py
index 059fb1ef1..779f1b5b2 100644
--- a/src/arch/x86/isa/insts/x87/arithmetic/change_sign.py
+++ b/src/arch/x86/isa/insts/x87/arithmetic/change_sign.py
@@ -36,6 +36,12 @@
 # Authors: Gabe Black
 
 microcode = '''
-# FABS
-# FCHS
+
+def macroop FABS {
+    absfp st(0), st(0)
+};
+
+def macroop FCHS {
+    chsfp st(0), st(0)
+};
 '''
-- 
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