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| author | Nilay Vaish <nilay@cs.wisc.edu> | 2014-01-27 18:50:52 -0600 |
|---|---|---|
| committer | Nilay Vaish <nilay@cs.wisc.edu> | 2014-01-27 18:50:52 -0600 |
| commit | 5be0b846b1ca0131fc6c67c1ff7dcf64791ebc73 (patch) | |
| tree | 237af620be866ac41bc92877057f3731d408c84b /src/arch/x86/isa/insts | |
| parent | 4eb3b1ed0b0cb5182d92fd56c21b5ca003c0fda5 (diff) | |
| download | gem5-5be0b846b1ca0131fc6c67c1ff7dcf64791ebc73.tar.xz | |
x86: implements fxch instruction.
Diffstat (limited to 'src/arch/x86/isa/insts')
| -rw-r--r-- | src/arch/x86/isa/insts/x87/data_transfer_and_conversion/exchange.py | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/exchange.py b/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/exchange.py index 982ac8e55..b6fbb01cc 100644 --- a/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/exchange.py +++ b/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/exchange.py @@ -36,5 +36,20 @@ # Authors: Gabe Black microcode = ''' -# FXCH +def macroop FXCH_R +{ + movfp ufp1, sti + movfp sti, st(0) + movfp st(0), ufp1 +}; + +def macroop FXCH_M +{ + fault "new UnimpInstFault" +}; + +def macroop FXCH_P +{ + fault "new UnimpInstFault" +}; ''' |