From 6c54b654a880ffa83a16a043d90612bd49815de6 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Wed, 18 Jul 2007 16:33:56 -0700 Subject: Implement some forms of add. --HG-- extra : convert_revision : adbff2e9b9952ec09853cc43d40243e7262410a7 --- src/arch/x86/isa/decoder/one_byte_opcodes.isa | 2 +- .../x86/isa/insts/arithmetic/add_and_subtract.py | 23 ++++++++++++++++++++++ 2 files changed, 24 insertions(+), 1 deletion(-) (limited to 'src/arch/x86/isa') diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa index 6c54f77bc..82e50e745 100644 --- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa @@ -297,7 +297,7 @@ } //0x3: group1_Ev_Ib(); 0x3: decode MODRM_REG { - 0x0: add_Ev_Ib(); + 0x0: Inst::ADD(Ev,Ib); 0x1: or_Ev_Ib(); 0x2: adc_Ev_Ib(); 0x3: sbb_Ev_Ib(); 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 fbfe4be7e..4d6e40c74 100644 --- a/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py +++ b/src/arch/x86/isa/insts/arithmetic/add_and_subtract.py @@ -54,6 +54,29 @@ # Authors: Gabe Black microcode = ''' +def macroop ADD_R_I +{ + limm t1, imm + add reg, reg, t1 +}; + +def macroop ADD_M_I +{ + limm t2, imm + ld t1, ds, [scale, index, base], disp + add t1, t1, t2 + st t1, ds, [scale, index, base], disp +}; + +def macroop ADD_P_I +{ + rdip t7 + limm t2, imm + ld t1, ds, [scale, index, base], disp + add t1, t1, t2 + st t1, ds, [scale, index, base], disp +}; + def macroop SUB_R_I { limm t1, imm -- cgit v1.2.3