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author | Nilay Vaish <nilay@cs.wisc.edu> | 2012-12-30 12:45:45 -0600 |
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committer | Nilay Vaish <nilay@cs.wisc.edu> | 2012-12-30 12:45:45 -0600 |
commit | 23ba6fc5fbaf55b016b5f0c0a852fa135d3f5f55 (patch) | |
tree | 4e5bf0c68a330d74f5019cc73690f78953924373 /src/arch/x86/isa/insts | |
parent | 3b01edd7fa5a78565aa911c9e33f8fd3a6b0478e (diff) | |
download | gem5-23ba6fc5fbaf55b016b5f0c0a852fa135d3f5f55.tar.xz |
x86: implement x87 fp instruction fsincos
This patch implements the fsincos instruction. The code was originally written
by Vince Weaver. Gabe had made some comments about the code, but those were
never addressed. This patch addresses those comments.
Diffstat (limited to 'src/arch/x86/isa/insts')
-rw-r--r-- | src/arch/x86/isa/insts/x87/transcendental_functions/trigonometric_functions.py | 9 |
1 files changed, 8 insertions, 1 deletions
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 437b47d70..05fd20829 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 @@ -38,7 +38,14 @@ microcode = ''' # FSIN # FCOS -# FSINCOS + +def macroop FSINCOS { + sinfp ufp1, st(0) + cosfp ufp2, st(0) + movfp st(0), ufp1 + movfp st(-1), ufp2, spm=-1 +}; + # FPTAN # FPATAN ''' |