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add lds/lss/les/lfs/lgs

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This commit is contained in:
MITSUNARI Shigeo 2019-09-10 20:46:17 +09:00
parent cc8f037cd5
commit 72b4e95dab
4 changed files with 58 additions and 5 deletions
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25
gen/gen_code.cpp
View file

@ -231,6 +231,18 @@ void putX_X_XM(bool omitOnly)
}
}
void putMemOp(const char *name, uint8 prefix, uint8 ext, uint8 code1, int code2, int bit = 32)
{
printf("void %s(const Address& addr) { ", name);
if (prefix) printf("db(0x%02X); ", prefix);
printf("opModM(addr, Reg%d(%d), 0x%02X, 0x%02X); }\n", bit, ext, code1, code2);
}
void putLoadSeg(const char *name, uint8 code1, int code2 = NONE)
{
printf("void %s(const Reg& reg, const Address& addr) { opLoadSeg(addr, reg, 0x%02X, 0x%02X); }\n", name, code1, code2);
}
void put()
{
const int NO = CodeGenerator::NONE;
@ -759,6 +771,9 @@ void put()
putGeneric(tbl, NUM_OF_ARRAY(tbl));
puts("void enter(uint16 x, uint8 y) { db(0xC8); dw(x); db(y); }");
puts("void int_(uint8 x) { db(0xCD); db(x); }");
putLoadSeg("lss", 0x0F, 0xB2);
putLoadSeg("lfs", 0x0F, 0xB4);
putLoadSeg("lgs", 0x0F, 0xB5);
}
{
const struct Tbl {
@ -966,9 +981,7 @@ void put()
};
for (size_t i = 0; i < NUM_OF_ARRAY(tbl); i++) {
const Tbl *p = &tbl[i];
printf("void %s(const Address& addr) { ", p->name);
if (p->prefix) printf("db(0x%02X); ", p->prefix);
printf("opModM(addr, Reg32(%d), 0x%02X, 0x%02X); }\n", p->ext, p->code1, p->code2);
putMemOp(p->name, p->prefix, p->ext, p->code1, p->code2);
}
puts("void fstsw(const Reg16& r) { if (r.getIdx() != Operand::AX) throw Error(ERR_BAD_PARAMETER); db(0x9B); db(0xDF); db(0xE0); }");
puts("void fnstsw(const Reg16& r) { if (r.getIdx() != Operand::AX) throw Error(ERR_BAD_PARAMETER); db(0xDF); db(0xE0); }");
@ -1734,6 +1747,8 @@ void put32()
{ "popa", 0x61 },
};
putGeneric(tbl, NUM_OF_ARRAY(tbl));
putLoadSeg("lds", 0xC5, NONE);
putLoadSeg("les", 0xC4, NONE);
}
void put64()
@ -1756,8 +1771,8 @@ void put64()
};
putGeneric(tbl, NUM_OF_ARRAY(tbl));
puts("void cmpxchg16b(const Address& addr) { opModM(addr, Reg64(1), 0x0F, 0xC7); }");
puts("void fxrstor64(const Address& addr) { opModM(addr, Reg64(1), 0x0F, 0xAE); }");
putMemOp("cmpxchg16b", 0, 1, 0x0F, 0xC7, 64);
putMemOp("fxrstor64", 0, 1, 0x0F, 0xAE, 64);
puts("void movq(const Reg64& reg, const Mmx& mmx) { if (mmx.isXMM()) db(0x66); opModR(mmx, reg, 0x0F, 0x7E); }");
puts("void movq(const Mmx& mmx, const Reg64& reg) { if (mmx.isXMM()) db(0x66); opModR(mmx, reg, 0x0F, 0x6E); }");
puts("void movsxd(const Reg64& reg, const Operand& op) { if (!op.isBit(32)) throw Error(ERR_BAD_COMBINATION); opModRM(reg, op, op.isREG(), op.isMEM(), 0x63); }");

25
test/make_nm.cpp
View file

@ -1173,6 +1173,30 @@ class Test {
put("mov", REG64, tbl[i].a, tbl[i].b);
}
}
void putLoadSeg() const
{
const struct Tbl {
const char *name;
bool support64Bit;
} tbl[] = {
#ifdef XBYAK32
{ "lds", false },
{ "les", false },
#endif
{ "lss", true },
{ "lfs", true },
{ "lgs", true },
};
for (size_t i = 0; i < NUM_OF_ARRAY(tbl); i++) {
const Tbl *p = &tbl[i];
put(p->name, REG16|REG32, MEM);
#ifdef XBYAK64
if (p->support64Bit) {
put(p->name, REG64, MEM);
}
#endif
}
}
// only nasm
void putMovImm64() const
{
@ -2476,6 +2500,7 @@ public:
putPushPop();
putTest();
separateFunc();
putLoadSeg();
putEtc();
putShift();
putShxd();

8
xbyak/xbyak.h
View file

@ -1714,6 +1714,14 @@ private:
db(code0 | (reg.isBit(8) ? 0 : 1)); if (code1 != NONE) db(code1); if (code2 != NONE) db(code2);
opAddr(addr, reg.getIdx(), immSize);
}
void opLoadSeg(const Address& addr, const Reg& reg, int code0, int code1 = NONE)
{
if (addr.is64bitDisp()) throw Error(ERR_CANT_USE_64BIT_DISP);
if (reg.isBit(8)) throw Error(ERR_BAD_SIZE_OF_REGISTER);
rex(addr, reg);
db(code0); if (code1 != NONE) db(code1);
opAddr(addr, reg.getIdx());
}
void opMIB(const Address& addr, const Reg& reg, int code0, int code1)
{
if (addr.is64bitDisp()) throw Error(ERR_CANT_USE_64BIT_DISP);

5
xbyak/xbyak_mnemonic.h
View file

@ -456,6 +456,8 @@ void ldmxcsr(const Address& addr) { opModM(addr, Reg32(2), 0x0F, 0xAE); }
void lea(const Reg& reg, const Address& addr) { if (!reg.isBit(16 | i32e)) throw Error(ERR_BAD_SIZE_OF_REGISTER); opModM(addr, reg, 0x8D); }
void leave() { db(0xC9); }
void lfence() { db(0x0F); db(0xAE); db(0xE8); }
void lfs(const Reg& reg, const Address& addr) { opLoadSeg(addr, reg, 0x0F, 0xB4); }
void lgs(const Reg& reg, const Address& addr) { opLoadSeg(addr, reg, 0x0F, 0xB5); }
void lock() { db(0xF0); }
void lodsb() { db(0xAC); }
void lodsd() { db(0xAD); }
@ -469,6 +471,7 @@ void loope(std::string label) { opJmp(label, T_SHORT, 0xE1, 0, 0); }
void loopne(const Label& label) { opJmp(label, T_SHORT, 0xE0, 0, 0); }
void loopne(const char *label) { loopne(std::string(label)); }
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) { db(0x66); opModR(reg1, reg2, 0x0F, 0xF7); }
void maskmovq(const Mmx& reg1, const Mmx& reg2) { if (!reg1.isMMX() || !reg2.isMMX()) throw Error(ERR_BAD_COMBINATION); opModR(reg1, reg2, 0x0F, 0xF7); }
@ -1639,6 +1642,8 @@ void pusha() { db(0x60); }
void pushad() { db(0x60); }
void pushfd() { db(0x9C); }
void popa() { db(0x61); }
void lds(const Reg& reg, const Address& addr) { opLoadSeg(addr, reg, 0xC5, 0x100); }
void les(const Reg& reg, const Address& addr) { opLoadSeg(addr, reg, 0xC4, 0x100); }
#endif
#ifndef XBYAK_NO_OP_NAMES
void and(const Operand& op1, const Operand& op2) { and_(op1, op2); }