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authorGabe Black <gblack@eecs.umich.edu>2007-08-28 17:18:13 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-08-28 17:18:13 -0700
commit37f1ff95e0e72931dd38c5b5c7d5fbb1dc5d4f18 (patch)
tree750490b6cc9cfc36d3dcae9933c893c17b5b561d /src/arch
parenta3367adaff66997044553cb9a746e101418afbdd (diff)
downloadgem5-37f1ff95e0e72931dd38c5b5c7d5fbb1dc5d4f18.tar.xz
X86: More fully decode two byte opcodes.
This includes the most of the SSE stuff, but not some of the "groups" of instructions. --HG-- extra : convert_revision : 4725c34f3d73971ae1763611685c5877b6c51412
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa578
1 files changed, 430 insertions, 148 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index f2d8a972e..412e168f7 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -90,47 +90,46 @@
0x02: decode LEGACY_DECODEVAL {
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: movups_Vo_Wo();
+ 0x1: movups_Wo_Vo();
+ 0x2: decode MODRM_MOD {
+ 0x3: movhlps_Vq_VRq();
+ default: movlps_Vq_Mq();
+ }
+ 0x3: movlps_Mq_Vq();
+ 0x4: unpcklps();
+ 0x5: unpckhps();
+ 0x6: decode MODRM_MOD {
+ 0x3: movlhps_Vq_VRq();
+ default: movhps_Vq_Mq();
+ }
+ 0x7: movhps_Mq_Vq();
}
// repe (0xF3)
0x4: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: movss_Vd_Wd();
+ 0x1: movss_Wd_Vd();
+ 0x2: movsldup_Vo_Wo();
+ 0x6: movshdup_Vo_Wo();
+ default: Inst::UD2();
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: movupd_Vo_Wo();
+ 0x1: movupd_Wo_Vo();
+ 0x2: movlpd_Vq_Mq();
+ 0x3: movlpd_Mq_Vq();
+ 0x4: unpcklpd_Vo_Wq();
+ 0x5: unpckhpd_Vo_Wo();
+ 0x6: movhpd_Vq_Mq();
+ 0x7: movhpd_Mq_Vq();
}
// repne (0xF2)
0x8: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: movsd_Vq_Wq();
+ 0x1: movsd_Wq_Vq();
+ 0x2: movddup_Vo_Wq();
+ default: Inst::UD2();
}
default: Inst::UD2();
}
@@ -144,25 +143,68 @@
0x6: group17();
0x7: group17();
}
- 0x04: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x04: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: mov_Rd_Cd();
+ 0x1: mov_Rd_Dd();
+ 0x2: mov_Cd_Rd();
+ 0x3: mov_Dd_Rd();
+ 0x4: mov_Rd_Td();
+ 0x6: mov_Td_Rd();
+ default: Inst::UD2();
+ }
+ // lock prefix (0xF0)
+ 0x2: decode OPCODE_OP_BOTTOM3 {
+ 0x0: mov_Rd_CR8D();
+ 0x2: mov_CR8D_Rd();
+ }
+ default: Inst::UD2();
}
- 0x05: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x05: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: movaps_Vo_Wo();
+ 0x1: movaps_Wo_Vo();
+ 0x2: decode MODRM_MOD {
+ 0x3: cvtpi2pS_Vq_Pq();
+ default: cvtpi2ps_Vq_Mq();
+ }
+ 0x3: movntps_Mo_Vo();
+ 0x4: cvttps2pi_Pq_Wq();
+ 0x5: cvtpS2pi_Pq_Wq();
+ 0x6: ucomiss_Vd_Wd();
+ 0x7: comiss_Vd_Wd();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x2: cvtsi2ss_Vd_Ed();
+ 0x4: cvttss2si_Gd_Wd();
+ 0x5: cvtss2si_Gd_Wd();
+ default: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: movapd_Vo_Wo();
+ 0x1: movapd_Wo_Vo();
+ 0x2: decode MODRM_MOD {
+ 0x3: cvtpi2pd_Vo_Pq();
+ default: cvtpi2pd_Vo_Mq();
+ }
+ 0x3: movntpd_Mo_Vo();
+ 0x4: cvttpd2pi_Pq_Wo();
+ 0x5: cvtpd2pi_Pq_Wo();
+ 0x6: ucomisd_Vq_Wq();
+ 0x7: comisd_Vq_Wq();
+ }
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x2: cvtsi2sd_Vq_Ed();
+ 0x4: cvttsd2si_Gd_Wq();
+ 0x5: cvtsd2si_Gd_Wq();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
}
0x06: decode OPCODE_OP_BOTTOM3 {
0x0: wrmsr();
@@ -206,65 +248,208 @@
0x7: CMOVNLE(Gv,Ev);
}
}
- 0x0A: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0A: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: movmskps_Gd_VRo();
+ 0x1: sqrtps_Vo_Wo();
+ 0x2: rqsrtps_Vo_Wo();
+ 0x3: rcpps_Vo_Wo();
+ 0x4: andps_Vo_Wo();
+ 0x5: andnps_Vo_Wo();
+ 0x6: orps_Vo_Wo();
+ 0x7: xorps_Vo_Wo();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x1: sqrtss_Vd_Wd();
+ 0x2: rsqrtss_Vd_Wd();
+ 0x3: rcpss_Vd_Wd();
+ default: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: movmskpd_Gd_VRo();
+ 0x1: sqrtpd_Vo_Wo();
+ 0x4: andpd_Vo_Wo();
+ 0x5: andnpd_Vo_Wo();
+ 0x6: orpd_Vo_Wo();
+ 0x7: xorpd_Vo_Wo();
+ default: Inst::UD2();
+ }
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x1: sqrtsd_Vq_Wq();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
}
- 0x0B: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0B: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: addps_Vo_Wo();
+ 0x1: mulps_Vo_Wo();
+ 0x2: cvtps2pd_Vo_Wq();
+ 0x3: cvtdq2ps_Vo_Wo();
+ 0x4: subps_Vo_Wo();
+ 0x5: minps_Vo_Wo();
+ 0x6: divps_Vo_Wo();
+ 0x7: maxps_Vo_Wo();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x0: addss_Vd_Wd();
+ 0x1: mulss_Vd_Wd();
+ 0x2: cvtss2sd_Vq_Wd();
+ 0x3: cvttps2dq_Vo_Wo();
+ 0x4: subss_Vd_Wd();
+ 0x5: minss_Vd_Wd();
+ 0x6: divss_Vd_Wd();
+ 0x7: maxss_Vd_Wd();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: addpd_Vo_Wo();
+ 0x1: mulpd_Vo_Wo();
+ 0x2: cvtpd2ps_Vo_Wo();
+ 0x3: cvtps2dq_Vo_Wo();
+ 0x4: subpd_Vo_Wo();
+ 0x5: minpd_Vo_Wo();
+ 0x6: divpd_Vo_Wo();
+ 0x7: maxpd_Vo_Wo();
+ }
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x0: addsd_Vq_Wq();
+ 0x1: mulsd_Vq_Wq();
+ 0x2: cvtsd2ss_Vd_Wq();
+ 0x4: subsd_Vq_Wq();
+ 0x5: minsd_Vq_Wq();
+ 0x6: divsd_Vq_Wq();
+ 0x7: maxsd_Vq_Wq();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
}
- 0x0C: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0C: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: punpcklbw_Pq_Qd();
+ 0x1: punpcklwd_Pq_Qd();
+ 0x2: punpckldq_Pq_Qd();
+ 0x3: packsswb_Pq_Qq();
+ 0x4: pcmpgtb_Pq_Qq();
+ 0x5: pcmpgtw_Pq_Qq();
+ 0x6: pcmpgtd_Pq_Qq();
+ 0x7: packuswb_Pq_Qq();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: punpcklbw_Vo_Wq();
+ 0x1: punpcklwd_Vo_Wq();
+ 0x2: punpckldq_Vo_Wq();
+ 0x3: packsswb_Vo_Wo();
+ 0x4: pcmpgtb_Vo_Wo();
+ 0x5: pcmpgtw_Vo_Wo();
+ 0x6: pcmpgtd_Vo_Wo();
+ 0x7: packuswb_Vo_Wo();
+ }
+ default: Inst::UD2();
}
- 0x0D: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0D: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: punpckhbw_Pq_Qq();
+ 0x1: punpckhwd_Pq_Qq();
+ 0x2: punpckhdq_Pq_Qq();
+ 0x3: packssdw_Pq_Qq();
+ 0x6: movd_Pq_Ed();
+ 0x7: movq_Pq_Qq();
+ default: Inst::UD2();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x7: movdqu_Vo_Wo();
+ default: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: punpckhbw_Vo_Wo();
+ 0x1: punpckhwd_Vo_Wo();
+ 0x2: punpckhdq_Vo_Wo();
+ 0x3: packssdw_Vo_Wo();
+ 0x4: punpcklqdq_Vo_Wq();
+ 0x5: punpcklqdq_Vo_Wq();
+ 0x6: movd_Vo_Ed();
+ 0x7: movdqa_Vo_Wo();
+ }
+ default: Inst::UD2();
}
- 0x0E: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0E: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: pshufw_Pq_Qq_Ib();
+ 0x1: group13_pshimw();
+ 0x2: group14_pshimd();
+ 0x3: group15_pshimq();
+ 0x4: pcmpeqb_Pq_Qq();
+ 0x5: pcmpeqw_Pq_Qq();
+ 0x6: pcmpeqd_Pq_Qq();
+ 0x7: emms();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x0: pshufhw_Vo_Wo_Ib();
+ default: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: pshufd_Vo_Wo_Ib();
+ 0x1: group13_pshimw();
+ 0x2: group14_pshimd();
+ 0x3: group15_pshimq_dq();
+ 0x4: pcmpeqb_Vo_Wo();
+ 0x5: pcmpeqw_Vo_Wo();
+ 0x6: pcmpeqd_Vo_Wo();
+ default: Inst::UD2();
+ }
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x0: pshuflw_Vo_Wo_Ib();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
}
- 0x0F: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0F: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: vmread_Ed_or_Eq_Gd_or_Gq();
+ 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq();
+ 0x6: mov_Ed_Pd();
+ 0x7: mov_Qq_Pq();
+ default: Inst::UD2();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x6: movq_Vo_Mq_or_Vq_Vq();
+ 0x7: movdqu_Wo_Vo();
+ default: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x4: haddpd_Vo_Wo();
+ 0x5: hsubpd_Vo_Wo();
+ 0x6: movd_Ed_Vd();
+ 0x7: movdqa_Wo_Vo();
+ default: Inst::UD2();
+ }
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x4: haddps_Vo_Wo();
+ 0x5: hsubps_Vo_Wo();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
}
format Inst {
0x10: decode OPCODE_OP_BOTTOM3 {
@@ -355,35 +540,102 @@
0x7: Inst::MOVSX_W(Gv,Ev);
}
0x18: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x0: xadd_Eb_Gb();
+ 0x1: xadd_Ev_Gv();
+ 0x7: group9();
+ default: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x2: cmpccps_Vo_Wo_Ib();
+ 0x3: cvtdq2ps_Vo_Wo();
+ 0x4: subps_Vo_Wo();
+ 0x5: minps_Vo_Wo();
+ 0x6: divps_Vo_Wo();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x2: cmpccss_Vd_Wd_Ib();
+ default: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x2: cmpccpd_Vo_Wo_Ib();
+ 0x4: subpd_Vo_Wo();
+ 0x5: minpd_Vo_Wo();
+ 0x6: divpd_Vo_Wo();
+ default: Inst::UD2();
+ }
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x2: cmpccsd_Vq_Wq_Ib();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
+ }
}
0x19: bswap_B();
- 0x1A: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x1A: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x1: psrlw_Pq_Qq();
+ 0x2: psrld_Pq_Qq();
+ 0x3: psrlq_Pq_Qq();
+ 0x4: paddq_Pq_Qq();
+ 0x5: pmullw_Pq_Qq();
+ 0x7: pmovmskb_Gd_PRq();
+ default: Inst::UD2();
+ }
+ // repe (0xF3)
+ 0x4: decode OPCODE_OP_BOTTOM3 {
+ 0x6: movq2dq_Vo_PRq();
+ default: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: addsubpd_Vo_Wo();
+ 0x1: psrlw_Vo_Wo();
+ 0x2: psrld_Vo_Wo();
+ 0x3: psrlq_Vo_Wo();
+ 0x4: paddq_Vo_Wo();
+ 0x5: pmullw_Vo_Wo();
+ 0x6: decode MODRM_MOD {
+ 0x3: movq_Vq_Vq();
+ default: movq_Mq_Vq();
+ }
+ 0x7: pmovmskb_Gd_VRo();
+ }
+ // repne (0xF2)
+ 0x8: decode OPCODE_OP_BOTTOM3 {
+ 0x0: addsubps_Vo_Wo();
+ 0x6: movdq2q_Pq_VRq();
+ default: Inst::UD2();
+ }
+ default: Inst::UD2();
}
- 0x1B: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x1B: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: psubusb_Pq_Qq();
+ 0x1: psubusw_Pq_Qq();
+ 0x2: pminub_Pq_Qq();
+ 0x3: pand_Pq_Qq();
+ 0x4: paddusb_Pq_Qq();
+ 0x5: paddusw_Pq_Qq();
+ 0x6: pmaxub_Pq_Qq();
+ 0x7: pandn_Pq_Qq();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: psubusb_Vo_Wo();
+ 0x1: psubusw_Vo_Wo();
+ 0x2: pminub_Vo_Wo();
+ 0x3: pand_Vo_Wo();
+ 0x4: paddusb_Vo_Wo();
+ 0x5: paddusw_Vo_Wo();
+ 0x6: pmaxub_Vo_Wo();
+ 0x7: pandn_Vo_Wo();
+ }
+ default: Inst::UD2();
}
0x1C: decode OPCODE_OP_BOTTOM3 {
0x0: holder();
@@ -395,15 +647,30 @@
0x6: holder();
0x7: holder();
}
- 0x1D: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x1D: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: psubsb_Pq_Qq();
+ 0x1: psubsw_Pq_Qq();
+ 0x2: pminsw_Pq_Qq();
+ 0x3: por_Pq_Qq();
+ 0x4: paddsb_Pq_Qq();
+ 0x5: paddsw_Pq_Qq();
+ 0x6: pmaxsw_Pq_Qq();
+ 0x7: pxor_Pq_Qq();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: psubsb_Vo_Wo();
+ 0x1: psubsw_Vo_Wo();
+ 0x2: pminsw_Vo_Wo();
+ 0x3: por_Vo_Wo();
+ 0x4: paddsb_Vo_Wo();
+ 0x5: paddsw_Vo_Wo();
+ 0x6: pmaxsw_Vo_Wo();
+ 0x7: pxor_Vo_Wo();
+ }
+ default: Inst::UD2();
}
0x1E: decode OPCODE_OP_BOTTOM3 {
0x0: holder();
@@ -415,15 +682,30 @@
0x6: holder();
0x7: holder();
}
- 0x1F: decode OPCODE_OP_BOTTOM3 {
- 0x0: holder();
- 0x1: holder();
- 0x2: holder();
- 0x3: holder();
- 0x4: holder();
- 0x5: holder();
- 0x6: holder();
- 0x7: holder();
+ 0x1F: decode LEGACY_DECODEVAL {
+ // no prefix
+ 0x0: decode OPCODE_OP_BOTTOM3 {
+ 0x0: psubb_Pq_Qq();
+ 0x1: psubw_Pq_Qq();
+ 0x2: psubd_Pq_Qq();
+ 0x3: psubq_Pq_Qq();
+ 0x4: paddb_Pq_Qq();
+ 0x5: paddw_Pq_Qq();
+ 0x6: paddd_Pq_Qq();
+ 0x7: Inst::UD2();
+ }
+ // operand size (0x66)
+ 0x1: decode OPCODE_OP_BOTTOM3 {
+ 0x0: psubb_Vo_Wo();
+ 0x1: psubw_Vo_Wo();
+ 0x2: psubd_Vo_Wo();
+ 0x3: psubq_Vo_Wo();
+ 0x4: paddb_Vo_Wo();
+ 0x5: paddw_Vo_Wo();
+ 0x6: paddd_Vo_Wo();
+ 0x7: Inst::UD2();
+ }
+ default: Inst::UD2();
}
default: FailUnimpl::twoByteOps();
}