Implemented and hooked in xchg, rotate with carry, and ret instructions
--HG-- extra : convert_revision : a8e67b0ab4072308f01e0df7f7ee05b31f605a35
This commit is contained in:
parent
ee6fbdc28b
commit
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5 changed files with 204 additions and 58 deletions
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@ -232,8 +232,8 @@
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0x7: JNLE(Jb);
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}
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}
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0x10: decode OPCODE_OP_BOTTOM3 {
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format Inst {
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format Inst {
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0x10: decode OPCODE_OP_BOTTOM3 {
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//0x0: group1_Eb_Ib();
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0x0: decode MODRM_REG {
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0x0: ADD(Eb,Ib);
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@ -281,11 +281,11 @@
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0x6: XOR(Ev,Ib);
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0x7: CMP(Ev,Ib);
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}
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0x4: Inst::TEST(Eb,Gb);
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0x5: Inst::TEST(Ev,Gv);
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0x4: TEST(Eb,Gb);
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0x5: TEST(Ev,Gv);
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0x6: XCHG(Eb,Gb);
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0x7: XCHG(Ev,Gv);
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}
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0x6: xchg_Eb_Gb();
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0x7: xchg_Ev_Gv();
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}
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0x11: decode OPCODE_OP_BOTTOM3 {
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0x0: Inst::MOV(Eb,Gb);
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@ -342,57 +342,52 @@
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0x6: scas_Yb_Al();
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0x7: scas_Yv_rAX();
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}
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0x16: decode OPCODE_OP_BOTTOM3 {
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0x0: mov_Al_Ib();
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0x1: mov_Cl_Ib();
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0x2: mov_Dl_Ib();
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0x3: mov_Bl_Ib();
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0x4: mov_Ah_Ib();
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0x5: mov_Ch_Ib();
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0x6: mov_Dh_Ib();
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0x7: mov_Bh_Ib();
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}
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0x17: Inst::MOV(B,Iv);
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0x18: decode OPCODE_OP_BOTTOM3 {
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//0x0: group2_Eb_Ib();
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0x0: decode MODRM_REG {
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0x0: Inst::ROL(Eb,Ib);
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0x1: Inst::ROR(Eb,Ib);
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0x2: rcl_Eb_Ib();
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0x3: rcr_Eb_Ib();
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0x4: Inst::SAL(Eb,Ib);
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0x5: Inst::SHR(Eb,Ib);
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0x6: Inst::SAL(Eb,Ib);
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0x7: Inst::SAR(Eb,Ib);
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}
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//0x1: group2_Ev_Ib();
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0x1: decode MODRM_REG {
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0x0: Inst::ROL(Ev,Ib);
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0x1: Inst::ROR(Ev,Ib);
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0x2: rcl_Ev_Ib();
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0x3: rcr_Ev_Ib();
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0x4: Inst::SAL(Ev,Ib);
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0x5: Inst::SHR(Ev,Ib);
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0x6: Inst::SAL(Ev,Ib);
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0x7: Inst::SAR(Ev,Ib);
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}
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0x2: ret_near_Iw();
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0x3: Inst::RET_NEAR();
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0x4: decode MODE_SUBMODE {
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0x0: Inst::UD2();
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default: les_Gz_Mp();
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}
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0x5: decode MODE_SUBMODE {
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0x0: Inst::UD2();
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default: lds_Gz_Mp();
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}
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//0x6: group12_Eb_Ib();
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0x6: decode MODRM_REG {
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0x0: Inst::MOV(Eb,Ib);
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}
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//0x7: group12_Ev_Iz();
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0x7: decode MODRM_REG {
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0x0: Inst::MOV(Ev,Iz);
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format Inst {
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0x16: MOV(B,Ib);
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0x17: MOV(B,Iv);
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0x18: decode OPCODE_OP_BOTTOM3 {
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//0x0: group2_Eb_Ib();
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0x0: decode MODRM_REG {
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0x0: ROL(Eb,Ib);
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0x1: ROR(Eb,Ib);
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0x2: RCL(Eb,Ib);
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0x3: RCR(Eb,Ib);
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0x4: SAL(Eb,Ib);
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0x5: SHR(Eb,Ib);
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0x6: SAL(Eb,Ib);
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0x7: SAR(Eb,Ib);
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}
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//0x1: group2_Ev_Ib();
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0x1: decode MODRM_REG {
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0x0: ROL(Ev,Ib);
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0x1: ROR(Ev,Ib);
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0x2: RCL(Ev,Ib);
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0x3: RCR(Ev,Ib);
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0x4: SAL(Ev,Ib);
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0x5: SHR(Ev,Ib);
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0x6: SAL(Ev,Ib);
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0x7: SAR(Ev,Ib);
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}
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0x2: RET_NEAR(Iw);
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0x3: RET_NEAR();
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0x4: decode MODE_SUBMODE {
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0x0: UD2();
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default: WarnUnimpl::les_Gz_Mp();
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}
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0x5: decode MODE_SUBMODE {
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0x0: UD2();
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default: WarnUnimpl::lds_Gz_Mp();
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}
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//0x6: group12_Eb_Ib();
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0x6: decode MODRM_REG {
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0x0: MOV(Eb,Ib);
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default: UD2();
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}
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//0x7: group12_Ev_Iz();
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0x7: decode MODRM_REG {
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0x0: MOV(Ev,Iz);
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default: UD2();
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}
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}
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}
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0x19: decode OPCODE_OP_BOTTOM3 {
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@ -63,4 +63,16 @@ def macroop RET_NEAR
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addi rsp, rsp, dsz
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wripi t1, 0
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};
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def macroop RET_NEAR_I
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{
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# Make the default data size of rets 64 bits in 64 bit mode
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.adjust_env oszIn64Override
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limm t2, imm
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ld t1, ss, [0, t0, rsp]
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addi rsp, rsp, dsz
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add rsp, rsp, t2
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wripi t1, 0
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};
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'''
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@ -55,7 +55,8 @@
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categories = ["conditional_move",
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"move",
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"stack_operations"]
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"stack_operations",
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"xchg"]
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microcode = ""
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for category in categories:
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98
src/arch/x86/isa/insts/data_transfer/xchg.py
Normal file
98
src/arch/x86/isa/insts/data_transfer/xchg.py
Normal file
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@ -0,0 +1,98 @@
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# Copyright (c) 2007 The Hewlett-Packard Development Company
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# All rights reserved.
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#
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# Redistribution and use of this software in source and binary forms,
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# with or without modification, are permitted provided that the
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# following conditions are met:
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#
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# The software must be used only for Non-Commercial Use which means any
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# use which is NOT directed to receiving any direct monetary
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# compensation for, or commercial advantage from such use. Illustrative
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# examples of non-commercial use are academic research, personal study,
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# teaching, education and corporate research & development.
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# Illustrative examples of commercial use are distributing products for
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# commercial advantage and providing services using the software for
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# commercial advantage.
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#
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# If you wish to use this software or functionality therein that may be
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# covered by patents for commercial use, please contact:
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# Director of Intellectual Property Licensing
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# Office of Strategy and Technology
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# Hewlett-Packard Company
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# 1501 Page Mill Road
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# Palo Alto, California 94304
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#
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# Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer. Redistributions
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# in binary form must reproduce the above copyright notice, this list of
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# conditions and the following disclaimer in the documentation and/or
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# other materials provided with the distribution. Neither the name of
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# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission. No right of
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# sublicense is granted herewith. Derivatives of the software and
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# output created using the software may be prepared, but only for
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# Non-Commercial Uses. Derivatives of the software may be shared with
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# others provided: (i) the others agree to abide by the list of
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# conditions herein which includes the Non-Commercial Use restrictions;
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# and (ii) such Derivatives of the software include the above copyright
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# notice to acknowledge the contribution from this software where
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# applicable, this list of conditions and the disclaimer below.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Gabe Black
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microcode = '''
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# All the memory versions need to use LOCK, regardless of if it was set
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def macroop XCHG_R_R
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{
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# Use the xor trick instead of moves to reduce register pressure.
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# This probably doesn't make much of a difference, but it's easy.
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xor reg, reg, regm
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xor regm, regm, reg
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xor reg, reg, regm
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};
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def macroop XCHG_R_M
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{
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ld t1, ds, [scale, index, base], disp
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st reg, ds, [scale, index, base], disp
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mov reg, reg, t1
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};
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def macroop XCHG_R_P
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{
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rdip t7
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ld t1, ds, [0, t0, t7], disp
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st reg, ds, [0, t0, t7], disp
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mov reg, reg, t1
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};
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def macroop XCHG_M_R
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{
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ld t1, ds, [scale, index, base], disp
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st reg, ds, [scale, index, base], disp
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mov reg, reg, t1
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};
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def macroop XCHG_P_R
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{
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rdip t7
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ld t1, ds, [0, t0, t7], disp
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st reg, ds, [0, t0, t7], disp
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mov reg, reg, t1
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};
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'''
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@ -93,6 +93,46 @@ def macroop ROR_P_I
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ror t1, t1, imm
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st t1, ds, [0, t0, t7], disp
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};
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def macroop RCL_R_I
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{
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rcl reg, reg, imm
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};
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def macroop RCL_M_I
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{
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ld t1, ds, [scale, index, base], disp
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rcl t1, t1, imm
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st t1, ds, [scale, index, base], disp
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};
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def macroop RCL_P_I
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{
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rdip t7
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ld t1, ds, [0, t0, t7], disp
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rcl t1, t1, imm
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st t1, ds, [0, t0, t7], disp
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};
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def macroop RCR_R_I
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{
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rcr reg, reg, imm
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};
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def macroop RCR_M_I
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{
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ld t1, ds, [scale, index, base], disp
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rcr t1, t1, imm
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st t1, ds, [scale, index, base], disp
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};
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def macroop RCR_P_I
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{
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rdip t7
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ld t1, ds, [0, t0, t7], disp
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rcr t1, t1, imm
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st t1, ds, [0, t0, t7], disp
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};
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'''
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#let {{
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# class RCL(Inst):
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