From 87ad6772094170cf92e8de385e1dea47a31924dc Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Mon, 17 Aug 2009 20:25:14 -0700
Subject: X86: Implement the instructions that compare fp values and write to
 rflags.

---
 .../compare/compare_and_write_rflags.py            | 53 +++++++++++++++++++---
 1 file changed, 47 insertions(+), 6 deletions(-)

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

diff --git a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py
index 2e22f71eb..50afddf7b 100644
--- a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py
+++ b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_rflags.py
@@ -54,22 +54,63 @@
 # Authors: Gabe Black
 
 microcode = '''
-# COMISS
-# COMISD
-# UCOMISS
+def macroop UCOMISS_XMM_XMM {
+    mcmpf2rf xmml, xmmlm, size=4
+};
+
+def macroop UCOMISS_XMM_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    mcmpf2rf xmml, ufp1, size=4
+};
+
+def macroop UCOMISS_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    mcmpf2rf xmml, ufp1, size=4
+};
 
 def macroop UCOMISD_XMM_XMM {
-    compfp xmml, xmmlm
+    mcmpf2rf xmml, xmmlm, size=8
 };
 
 def macroop UCOMISD_XMM_M {
     ldfp ufp1, seg, sib, disp, dataSize=8
-    compfp xmml, ufp1
+    mcmpf2rf xmml, ufp1, size=8
 };
 
 def macroop UCOMISD_XMM_P {
     rdip t7
     ldfp ufp1, seg, riprel, disp, dataSize=8
-    compfp xmml, ufp1
+    mcmpf2rf xmml, ufp1, size=8
+};
+
+def macroop COMISS_XMM_XMM {
+    mcmpf2rf xmml, xmmlm, size=4
+};
+
+def macroop COMISS_XMM_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    mcmpf2rf xmml, ufp1, size=4
+};
+
+def macroop COMISS_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    mcmpf2rf xmml, ufp1, size=4
+};
+
+def macroop COMISD_XMM_XMM {
+    mcmpf2rf xmml, xmmlm, size=8
+};
+
+def macroop COMISD_XMM_M {
+    ldfp ufp1, seg, sib, disp, dataSize=8
+    mcmpf2rf xmml, ufp1, size=8
+};
+
+def macroop COMISD_XMM_P {
+    rdip t7
+    ldfp ufp1, seg, riprel, disp, dataSize=8
+    mcmpf2rf xmml, ufp1, size=8
 };
 '''
-- 
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