diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:04:02 -0700 |
---|---|---|
committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-17 20:04:02 -0700 |
commit | f5ac4f51d94ff24818f17c768e17893629f5910c (patch) | |
tree | 8272fb9e49c67f5598efcd2654b01c188001451a /src/arch/x86/isa/insts/simd128/floating_point | |
parent | 83df309a7ed25373e265b3885d3871547dff6274 (diff) | |
download | gem5-f5ac4f51d94ff24818f17c768e17893629f5910c.tar.xz |
X86: Implement the instructions that convert between forms of floating point.
Diffstat (limited to 'src/arch/x86/isa/insts/simd128/floating_point')
-rw-r--r-- | src/arch/x86/isa/insts/simd128/floating_point/data_conversion/convert_floating_point_to_floating_point.py | 74 |
1 files changed, 70 insertions, 4 deletions
diff --git a/src/arch/x86/isa/insts/simd128/floating_point/data_conversion/convert_floating_point_to_floating_point.py b/src/arch/x86/isa/insts/simd128/floating_point/data_conversion/convert_floating_point_to_floating_point.py index 2de33efa2..1c36f7e45 100644 --- a/src/arch/x86/isa/insts/simd128/floating_point/data_conversion/convert_floating_point_to_floating_point.py +++ b/src/arch/x86/isa/insts/simd128/floating_point/data_conversion/convert_floating_point_to_floating_point.py @@ -54,8 +54,74 @@ # Authors: Gabe Black microcode = ''' -# CVTPS2PD -# CVTPD2PS -# CVTSS2SD -# CVTSD2SS +def macroop CVTSS2SD_XMM_XMM { + cvtf2f xmml, xmmlm, destSize=8, srcSize=4, ext=1 +}; + +def macroop CVTSS2SD_XMM_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + cvtf2f xmml, ufp1, destSize=8, srcSize=4, ext=1 +}; + +def macroop CVTSS2SD_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + cvtf2f xmml, ufp1, destSize=8, srcSize=4, ext=1 +}; + +def macroop CVTSD2SS_XMM_XMM { + cvtf2f xmml, xmmlm, destSize=4, srcSize=8, ext=1 +}; + +def macroop CVTSD2SS_XMM_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + cvtf2f xmml, ufp1, destSize=4, srcSize=8, ext=1 +}; + +def macroop CVTSD2SS_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + cvtf2f xmml, ufp1, destSize=4, srcSize=8, ext=1 +}; + +def macroop CVTPS2PD_XMM_XMM { + cvtf2f xmmh, xmmlm, destSize=8, srcSize=4, ext=2 + cvtf2f xmml, xmmlm, destSize=8, srcSize=4, ext=0 +}; + +def macroop CVTPS2PD_XMM_M { + ldfp ufp1, seg, sib, disp, dataSize=8 + cvtf2f xmmh, ufp1, destSize=8, srcSize=4, ext=2 + cvtf2f xmml, ufp1, destSize=8, srcSize=4, ext=0 +}; + +def macroop CVTPS2PD_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, disp, dataSize=8 + cvtf2f xmmh, ufp1, destSize=8, srcSize=4, ext=2 + cvtf2f xmml, ufp1, destSize=8, srcSize=4, ext=0 +}; + +def macroop CVTPD2PS_XMM_XMM { + cvtf2f xmml, xmmlm, destSize=4, srcSize=8, ext=0 + cvtf2f xmml, xmmhm, destSize=4, srcSize=8, ext=2 + lfpimm xmmh, 0 +}; + +def macroop CVTPD2PS_XMM_M { + ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8 + cvtf2f xmml, ufp1, destSize=4, srcSize=8, ext=0 + cvtf2f xmml, ufp2, destSize=4, srcSize=8, ext=2 + lfpimm xmmh, 0 +}; + +def macroop CVTPD2PS_XMM_P { + rdip t7 + ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8 + ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8 + cvtf2f xmml, ufp1, destSize=4, srcSize=8, ext=0 + cvtf2f xmml, ufp2, destSize=4, srcSize=8, ext=2 + lfpimm xmmh, 0 +}; ''' |