From ac9bb514057713dd626298a1b6f4322be205d65c Mon Sep 17 00:00:00 2001
From: Nilay Vaish <nilay@cs.wisc.edu>
Date: Tue, 15 Jan 2013 07:43:21 -0600
Subject: x86: implements fsin, fcos instructions

---
 src/arch/x86/isa/decoder/x87.isa                                 | 4 ++--
 .../x87/transcendental_functions/trigonometric_functions.py      | 9 +++++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

(limited to 'src/arch/x86')

diff --git a/src/arch/x86/isa/decoder/x87.isa b/src/arch/x86/isa/decoder/x87.isa
index f278dc2f8..704a6f6dd 100644
--- a/src/arch/x86/isa/decoder/x87.isa
+++ b/src/arch/x86/isa/decoder/x87.isa
@@ -109,8 +109,8 @@ format WarnUnimpl {
                     0x3: Inst::FSINCOS();
                     0x4: frndint();
                     0x5: fscale();
-                    0x6: fsin();
-                    0x7: fcos();
+                    0x6: Inst::FSIN();
+                    0x7: Inst::FCOS();
                 }
                 default: Inst::FNSTCW(Mw);
             }
diff --git a/src/arch/x86/isa/insts/x87/transcendental_functions/trigonometric_functions.py b/src/arch/x86/isa/insts/x87/transcendental_functions/trigonometric_functions.py
index 05fd20829..ffdbcf150 100644
--- a/src/arch/x86/isa/insts/x87/transcendental_functions/trigonometric_functions.py
+++ b/src/arch/x86/isa/insts/x87/transcendental_functions/trigonometric_functions.py
@@ -36,8 +36,13 @@
 # Authors: Gabe Black
 
 microcode = '''
-# FSIN
-# FCOS
+def macroop FSIN {
+    sinfp st(0), st(0)
+};
+
+def macroop FCOS {
+    cosfp st(0), st(0)
+};
 
 def macroop FSINCOS {
     sinfp ufp1, st(0)
-- 
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