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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-07-18 16:33:56 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-07-18 16:33:56 -0700 |
| commit | 6c54b654a880ffa83a16a043d90612bd49815de6 (patch) | |
| tree | 9259c09c5e7480eca19b8fc60978b16542a05ac9 /src/arch/x86/isa | |
| parent | bafb7ee5c1ba31c9a52de835a24d9df65b818ab6 (diff) | |
| download | gem5-6c54b654a880ffa83a16a043d90612bd49815de6.tar.xz | |
Implement some forms of add.
--HG--
extra : convert_revision : adbff2e9b9952ec09853cc43d40243e7262410a7
Diffstat (limited to 'src/arch/x86/isa')
| -rw-r--r-- | src/arch/x86/isa/decoder/one_byte_opcodes.isa | 2 | ||||
| -rw-r--r-- | src/arch/x86/isa/insts/arithmetic/add_and_subtract.py | 23 |
2 files changed, 24 insertions, 1 deletions
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 |