From 3cd95a2748ebed72cedd64f7f4c945eef6e2ccf7 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Wed, 19 Sep 2007 18:28:34 -0700 Subject: X86: Implement the fld, fst, and fstp instructions. --HG-- extra : convert_revision : 7dd274bdc3c34839c17d9012a745d7c95dfcfdd8 --- .../load_or_store_floating_point.py | 35 ++++++++++++++++++++-- 1 file changed, 32 insertions(+), 3 deletions(-) (limited to 'src/arch/x86/isa/insts') diff --git a/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py b/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py index 3507347fe..37574da34 100644 --- a/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py +++ b/src/arch/x86/isa/insts/x87/data_transfer_and_conversion/load_or_store_floating_point.py @@ -54,7 +54,36 @@ # Authors: Gabe Black microcode = ''' -# FLD -# FST -# FSTP +def macroop FLD_M { + ldfp ufp1, seg, sib, disp + movfp st(1), ufp1, spm=-1 +}; + +def macroop FLD_P { + rdip t7 + ldfp ufp1, seg, riprel, disp + movfp st(1), ufp1, spm=-1 +}; + +def macroop FST_M { + movfp st(0), ufp1 + stfp ufp1, seg, sib, disp +}; + +def macroop FST_P { + movfp st(0), ufp1 + rdip t7 + stfp ufp1, seg, riprel, disp +}; + +def macroop FSTP_M { + movfp st(0), ufp1, spm=1 + stfp ufp1, seg, sib, disp +}; + +def macroop FSTP_P { + movfp st(0), ufp1, spm=1 + rdip t7 + stfp ufp1, seg, riprel, disp +}; ''' -- cgit v1.2.3