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use opModR2 for bswap, maskmovq, pmovmskb
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herumi committed Nov 6, 2023
1 parent e1a1487 commit 4718643
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Showing 2 changed files with 6 additions and 6 deletions.
6 changes: 3 additions & 3 deletions gen/gen_code.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1087,7 +1087,7 @@ void put()
// misc
{
puts("void lea(const Reg& reg, const Address& addr) { if (!reg.isBit(16 | i32e)) XBYAK_THROW(ERR_BAD_SIZE_OF_REGISTER) opModM(addr, reg, 0x8D); }");
puts("void bswap(const Reg32e& reg) { opModR(Reg32(1), reg, 0x0F); }");
puts("void bswap(const Reg32e& reg) { opModR2(Reg32(1), reg, 0, 0x0F); }");
puts("void ret(int imm = 0) { if (imm) { db(0xC2); dw(imm); } else { db(0xC3); } }");
puts("void retf(int imm = 0) { if (imm) { db(0xCA); dw(imm); } else { db(0xCB); } }");

Expand All @@ -1108,8 +1108,8 @@ void put()
puts("void pinsrb(const Xmm& xmm, const Operand& op, uint8_t imm) { opGen(xmm, op, 0x20, 0x66, isXMM_REG32orMEM, imm, 0x3A); }");
puts("void pinsrd(const Xmm& xmm, const Operand& op, uint8_t imm) { opGen(xmm, op, 0x22, 0x66, isXMM_REG32orMEM, imm, 0x3A); }");

puts("void pmovmskb(const Reg32e& reg, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opModR(reg, mmx, 0x0F, 0xD7); }");
puts("void maskmovq(const Mmx& reg1, const Mmx& reg2) { if (!reg1.isMMX() || !reg2.isMMX()) XBYAK_THROW(ERR_BAD_COMBINATION) opModR(reg1, reg2, 0x0F, 0xF7); }");
puts("void pmovmskb(const Reg32e& reg, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opModR2(reg, mmx, T_0F, 0xD7); }");
puts("void maskmovq(const Mmx& reg1, const Mmx& reg2) { if (!reg1.isMMX() || !reg2.isMMX()) XBYAK_THROW(ERR_BAD_COMBINATION) opModR2(reg1, reg2, T_0F, 0xF7); }");
puts("void movmskps(const Reg32e& reg, const Xmm& xmm) { opModR(reg, xmm, 0x0F, 0x50); }");
puts("void movmskpd(const Reg32e& reg, const Xmm& xmm) { db(0x66); movmskps(reg, xmm); }");
puts("void movntps(const Address& addr, const Xmm& xmm) { opModM(addr, Mmx(xmm.getIdx()), 0x0F, 0x2B); }");
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6 changes: 3 additions & 3 deletions xbyak/xbyak_mnemonic.h
Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@ void bndmov(const BoundsReg& bnd, const Operand& op) { db(0x66); opModRM(bnd, op
void bndstx(const Address& addr, const BoundsReg& bnd) { opMIB(addr, bnd, 0x0F, 0x1B); }
void bsf(const Reg&reg, const Operand& op) { opModRM(reg, op, op.isREG(16 | i32e), op.isMEM(), 0x0F, 0xBC); }
void bsr(const Reg&reg, const Operand& op) { opModRM(reg, op, op.isREG(16 | i32e), op.isMEM(), 0x0F, 0xBD); }
void bswap(const Reg32e& reg) { opModR(Reg32(1), reg, 0x0F); }
void bswap(const Reg32e& reg) { opModR2(Reg32(1), reg, 0, 0x0F); }
void bt(const Operand& op, const Reg& reg) { opModRM(reg, op, op.isREG(16|32|64) && op.getBit() == reg.getBit(), op.isMEM(), 0x0f, 0xA3); }
void bt(const Operand& op, uint8_t imm) { opR_ModM(op, 16|32|64, 4, 0x0f, 0xba, NONE, false, 1); db(imm); }
void btc(const Operand& op, const Reg& reg) { opModRM(reg, op, op.isREG(16|32|64) && op.getBit() == reg.getBit(), op.isMEM(), 0x0f, 0xBB); }
Expand Down Expand Up @@ -492,7 +492,7 @@ void loopne(std::string label) { opJmp(label, T_SHORT, 0xE0, 0, 0); }
void lss(const Reg& reg, const Address& addr) { opLoadSeg(addr, reg, 0x0F, 0xB2); }
void lzcnt(const Reg&reg, const Operand& op) { opSp1(reg, op, 0xF3, 0x0F, 0xBD); }
void maskmovdqu(const Xmm& reg1, const Xmm& reg2) { opModR2(reg1, reg2, T_66 | T_0F, 0xF7); }
void maskmovq(const Mmx& reg1, const Mmx& reg2) { if (!reg1.isMMX() || !reg2.isMMX()) XBYAK_THROW(ERR_BAD_COMBINATION) opModR(reg1, reg2, 0x0F, 0xF7); }
void maskmovq(const Mmx& reg1, const Mmx& reg2) { if (!reg1.isMMX() || !reg2.isMMX()) XBYAK_THROW(ERR_BAD_COMBINATION) opModR2(reg1, reg2, T_0F, 0xF7); }
void maxpd(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x5F, 0x66, isXMM_XMMorMEM); }
void maxps(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x5F, 0x100, isXMM_XMMorMEM); }
void maxsd(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x5F, 0xF2, isXMM_XMMorMEM); }
Expand Down Expand Up @@ -645,7 +645,7 @@ void pminsw(const Mmx& mmx, const Operand& op) { opMMX(mmx, op, 0xEA); }
void pminub(const Mmx& mmx, const Operand& op) { opMMX(mmx, op, 0xDA); }
void pminud(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x3B, 0x66, isXMM_XMMorMEM, NONE, 0x38); }
void pminuw(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x3A, 0x66, isXMM_XMMorMEM, NONE, 0x38); }
void pmovmskb(const Reg32e& reg, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opModR(reg, mmx, 0x0F, 0xD7); }
void pmovmskb(const Reg32e& reg, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opModR2(reg, mmx, T_0F, 0xD7); }
void pmovsxbd(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x21, 0x66, isXMM_XMMorMEM, NONE, 0x38); }
void pmovsxbq(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x22, 0x66, isXMM_XMMorMEM, NONE, 0x38); }
void pmovsxbw(const Xmm& xmm, const Operand& op) { opGen(xmm, op, 0x20, 0x66, isXMM_XMMorMEM, NONE, 0x38); }
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