From 85f9415a67f3f3b54a615c2e29576235d11428f3 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Mon, 23 Jul 2007 01:07:49 +0000 Subject: Make the operand size reflect the size specifier on the operand tags, and implement NEG --HG-- extra : convert_revision : da73ed6820d57f083c18f44b2fa868fc0976dd16 --- .../x86/isa/insts/arithmetic/add_and_subtract.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/arch/x86/isa/insts/arithmetic/add_and_subtract.py') diff --git a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py index 05aa6cd69..e637251d2 100644 --- a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py +++ b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py @@ -277,6 +277,26 @@ def macroop SBB_P_R sbb t1, t1, reg st t1, ds, [scale, index, base], disp }; + +def macroop NEG_R +{ + sub reg, t0, reg, flags=(CF,OF,SF,ZF,AF,PF) +}; + +def macroop NEG_M +{ + ld t1, ds, [scale, index, base], disp + sub t1, t0, t1, flags=(CF,OF,SF,ZF,AF,PF) + st t1, ds, [scale, index, base], disp +}; + +def macroop NEG_P +{ + rdip t7 + ld t1, ds, [0, t0, t7], disp + sub t1, t0, t1, flags=(CF,OF,SF,ZF,AF,PF) + st t1, ds, [0, t0, t7], disp +}; ''' #let {{ # class ADC(Inst): -- cgit v1.2.3