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authorNilay Vaish <nilay@cs.wisc.edu>2013-03-11 13:15:46 -0500
committerNilay Vaish <nilay@cs.wisc.edu>2013-03-11 13:15:46 -0500
commit5c940fec0aebcce5f81063f195220184918b377b (patch)
treec9e754107957d63e7331ef13d2527a3874524393 /src/arch/x86/isa/insts/x87/arithmetic
parent82f600e02ded4d7162dd9286f790462b9ab5d554 (diff)
downloadgem5-5c940fec0aebcce5f81063f195220184918b377b.tar.xz
x86: implement some of the x87 instructions
This patch implements ftan, fprem, fyl2x, fld* floating-point instructions.
Diffstat (limited to 'src/arch/x86/isa/insts/x87/arithmetic')
-rw-r--r--src/arch/x86/isa/insts/x87/arithmetic/partial_remainder.py9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/arch/x86/isa/insts/x87/arithmetic/partial_remainder.py b/src/arch/x86/isa/insts/x87/arithmetic/partial_remainder.py
index 5a4959973..b02184e1a 100644
--- a/src/arch/x86/isa/insts/x87/arithmetic/partial_remainder.py
+++ b/src/arch/x86/isa/insts/x87/arithmetic/partial_remainder.py
@@ -36,6 +36,11 @@
# Authors: Gabe Black
microcode = '''
-# FPREM
-# FPREM1
+def macroop FPREM {
+ premfp st(0), st(1), st(0)
+};
+
+def macroop FPREM1 {
+ premfp st(0), st(1), st(0)
+};
'''