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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-11-12 14:38:53 -0800 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-11-12 14:38:53 -0800 |
| commit | 4d4d2883f9c84f0cebec4b65479c11540dbb36f7 (patch) | |
| tree | df27bc7bcb242428a3ee5bfe3f93b8a6a4b844bc /src/arch/x86/isa/decoder | |
| parent | f9ddb894dd92d6cc5601d65a3c58dc5dd73f7ac7 (diff) | |
| download | gem5-4d4d2883f9c84f0cebec4b65479c11540dbb36f7.tar.xz | |
X86: Implement some bit testing instructions.
--HG--
extra : convert_revision : 54585e276e44322be9c56af0b2eabfe8d4b3e430
Diffstat (limited to 'src/arch/x86/isa/decoder')
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index 30034a305..233a5602d 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -657,7 +657,7 @@ 0x0: push_fs(); 0x1: pop_fs(); 0x2: Inst::CPUID(rAd); - 0x3: bt_Ev_Gv(); + 0x3: Inst::BT(Ev,Gv); 0x4: shld_Ev_Gv_Ib(); 0x5: shld_Ev_Gv_rCl(); 0x6: xbts_and_cmpxchg(); @@ -667,7 +667,7 @@ 0x0: push_gs(); 0x1: pop_gs(); 0x2: rsm_smm(); - 0x3: bts_Ev_Gv(); + 0x3: Inst::BTS(Ev,Gv); 0x4: shrd_Ev_Gv_Ib(); 0x5: shrd_Ev_Gv_rCl(); //0x6: group16(); @@ -691,7 +691,7 @@ 0x0: Inst::CMPXCHG(Eb,Gb); 0x1: Inst::CMPXCHG(Ev,Gv); 0x2: lss_Gz_Mp(); - 0x3: btr_Ev_Gv(); + 0x3: Inst::BTR(Ev,Gv); 0x4: lfs_Gz_Mp(); 0x5: lgs_Gz_Mp(); //The size of the second operand in these instructions should @@ -702,17 +702,19 @@ } 0x17: decode OPCODE_OP_BOTTOM3 { 0x0: jmpe_Jz(); // IA-64? - //0x1: group11_UD2(); - 0x1: Inst::UD2(); - //0x2: group8_Ev_Ib(); - 0x2: decode MODRM_REG { - 0x4: bt_Ev_Ib(); - 0x5: bts_Ev_Ib(); - 0x6: btr_Ev_Ib(); - 0x7: btc_Ev_Ib(); - default: Inst::UD2(); + format Inst { + //0x1: group11_UD2(); + 0x1: UD2(); + //0x2: group8_Ev_Ib(); + 0x2: decode MODRM_REG { + 0x4: BT(Ev,Ib); + 0x5: BTS(Ev,Ib); + 0x6: BTR(Ev,Ib); + 0x7: BTC(Ev,Ib); + default: UD2(); + } + 0x3: BTC(Ev,Gv); } - 0x3: btc_Ev_Gv(); 0x4: bsf_Gv_Ev(); 0x5: bsr_Gv_Ev(); //The size of the second operand in these instructions should |