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libjit/jit/jit-gen-x86.h  view on Meta::CPAN

	} while (0)

#define x86_xadd_reg_reg(inst,dreg,reg,size)	\
	do {	\
		*(inst)++ = (unsigned char)0x0F;     \
		if ((size) == 1)	\
			*(inst)++ = (unsigned char)0xC0;	\
		else	\
			*(inst)++ = (unsigned char)0xC1;	\
		x86_reg_emit ((inst), (reg), (dreg));	\
	} while (0)

#define x86_xadd_mem_reg(inst,mem,reg,size)	\
	do {	\
		*(inst)++ = (unsigned char)0x0F;     \
		if ((size) == 1)	\
			*(inst)++ = (unsigned char)0xC0;	\
		else	\
			*(inst)++ = (unsigned char)0xC1;	\
		x86_mem_emit ((inst), (reg), (mem));	\
	} while (0)

#define x86_xadd_membase_reg(inst,basereg,disp,reg,size)	\
	do {	\
		*(inst)++ = (unsigned char)0x0F;     \
		if ((size) == 1)	\
			*(inst)++ = (unsigned char)0xC0;	\
		else	\
			*(inst)++ = (unsigned char)0xC1;	\
		x86_membase_emit ((inst), (reg), (basereg), (disp));	\
	} while (0)

#define x86_inc_mem(inst,mem)	\
	do {	\
		*(inst)++ = (unsigned char)0xff;	\
		x86_mem_emit ((inst), 0, (mem)); 	\
	} while (0)

#define x86_inc_membase(inst,basereg,disp)	\
	do {	\
		*(inst)++ = (unsigned char)0xff;	\
		x86_membase_emit ((inst), 0, (basereg), (disp));	\
	} while (0)

#define x86_inc_reg(inst,reg) do { *(inst)++ = (unsigned char)0x40 + (reg); } while (0)

#define x86_dec_mem(inst,mem)	\
	do {	\
		*(inst)++ = (unsigned char)0xff;	\
		x86_mem_emit ((inst), 1, (mem));	\
	} while (0)

#define x86_dec_membase(inst,basereg,disp)	\
	do {	\
		*(inst)++ = (unsigned char)0xff;	\
		x86_membase_emit ((inst), 1, (basereg), (disp));	\
	} while (0)

#define x86_dec_reg(inst,reg) do { *(inst)++ = (unsigned char)0x48 + (reg); } while (0)

#define x86_not_mem(inst,mem)	\
	do {	\
		*(inst)++ = (unsigned char)0xf7;	\
		x86_mem_emit ((inst), 2, (mem));	\
	} while (0)

#define x86_not_membase(inst,basereg,disp)	\
	do {	\
		*(inst)++ = (unsigned char)0xf7;	\
		x86_membase_emit ((inst), 2, (basereg), (disp));	\
	} while (0)

#define x86_not_reg(inst,reg)	\
	do {	\
		*(inst)++ = (unsigned char)0xf7;	\
		x86_reg_emit ((inst), 2, (reg));	\
	} while (0)

#define x86_neg_mem(inst,mem)	\
	do {	\
		*(inst)++ = (unsigned char)0xf7;	\
		x86_mem_emit ((inst), 3, (mem));	\
	} while (0)

#define x86_neg_membase(inst,basereg,disp)	\
	do {	\
		*(inst)++ = (unsigned char)0xf7;	\
		x86_membase_emit ((inst), 3, (basereg), (disp));	\
	} while (0)

#define x86_neg_reg(inst,reg)	\
	do {	\
		*(inst)++ = (unsigned char)0xf7;	\
		x86_reg_emit ((inst), 3, (reg));	\
	} while (0)

#define x86_nop(inst) do { *(inst)++ = (unsigned char)0x90; } while (0)

#define x86_alu_reg_imm(inst,opc,reg,imm) 	\
	do {	\
		if ((reg) == X86_EAX) {	\
			*(inst)++ = (((unsigned char)(opc)) << 3) + 5;	\
			x86_imm_emit32 ((inst), (imm));	\
			break;	\
		}	\
		if (x86_is_imm8((imm))) {	\
			*(inst)++ = (unsigned char)0x83;	\
			x86_reg_emit ((inst), (opc), (reg));	\
			x86_imm_emit8 ((inst), (imm));	\
		} else {	\
			*(inst)++ = (unsigned char)0x81;	\
			x86_reg_emit ((inst), (opc), (reg));	\
			x86_imm_emit32 ((inst), (imm));	\
		}	\
	} while (0)

#define x86_alu_reg16_imm(inst,opc,reg,imm) 	\
	do {	\
		*(inst)++ = (unsigned char)0x66;	\
		if ((reg) == X86_EAX) {	\
			*(inst)++ = (((unsigned char)(opc)) << 3) + 5;	\
			x86_imm_emit16 ((inst), (imm));	\
			break;	\
		}	\
		if (x86_is_imm8((imm))) {	\
			*(inst)++ = (unsigned char)0x83;	\
			x86_reg_emit ((inst), (opc), (reg));	\
			x86_imm_emit8 ((inst), (imm));	\
		} else {	\
			*(inst)++ = (unsigned char)0x81;	\
			x86_reg_emit ((inst), (opc), (reg));	\
			x86_imm_emit16 ((inst), (imm));	\
		}	\