void bgezall() {
// if (_rs.0-63 >= 0) delayslot = instaddr + 4 + _offset * 4
enum { _jump, _end };
mov32_mem_imm32((u32)&g_cpu->m_ra.d[0], g_cpu->m_recompiling_ee_va + 8);
mov32_mem_imm32((u32)&g_cpu->m_ra.d[1], 0x00000000);
// 符号ビットが0ならジャンプ
mov32_eax_mem(_GPR_D(_rs, 1));
tst32_reg_reg(_eax, _eax);
jns(_jump);
// 分岐しない場合、次の遅延スロットの命令を実行しない
mov8_mem_imm8((u32)&g_cpu->m_null_current_inst, 1);
jmp(_end);
LABEL_DEF(_jump);
mov32_reg_imm32(_eax, (g_cpu->m_recompiling_ee_va + 4) + _offset * 4);
mov32_mem_eax((u32)&g_cpu->m_ee_jump_addr);
#if defined _DEBUGGER
push_reg(_eax); // eaxはジャンプ先
mov32_reg_imm32(_eax, (u32)Debugger::callStackPush);
call_reg(_eax);
pop_reg(_eax);
mov32_reg_imm32(_eax, (u32)Debugger::jumpLogPush);
call_reg(_eax);
#endif
LABEL_DEF(_end);
}
void bltzal() {
// if (_rs.0-63 < 0) delayslot = instaddr + 4 + _offset * 4
enum { _end };
mov32_mem_imm32((u32)&g_cpu->m_ra.d[0], g_cpu->m_recompiling_ee_va + 8);
mov32_mem_imm32((u32)&g_cpu->m_ra.d[1], 0x00000000);
// 符号ビットが0ならジャンプしない
mov32_eax_mem(_GPR_D(_rs, 1));
tst32_reg_reg(_eax, _eax);
jns(_end);
mov32_reg_imm32(_eax, (g_cpu->m_recompiling_ee_va + 4) + _offset * 4);
mov32_mem_eax((u32)&g_cpu->m_ee_jump_addr);
#if defined _DEBUGGER
push_reg(_eax); // eaxはジャンプ先
mov32_reg_imm32(_eax, (u32)Debugger::callStackPush);
call_reg(_eax);
pop_reg(_eax);
mov32_reg_imm32(_eax, (u32)Debugger::jumpLogPush);
call_reg(_eax);
#endif
LABEL_DEF(_end);
}
jit_value pop_int(Frame* frame) {
jit_value reg = pop_reg(frame);
struct jit* jit = frame->jit;
jit_ldxi(jit, frame->accum[1], reg, offsetof(YValue, type), sizeof(void*));
jit_movi(jit, frame->accum[2], 0);
jit_op* not_int_jump = jit_bner(jit, (intptr_t) JIT_FORWARD, frame->accum[1], frame->IntType);
jit_ldxi(jit, frame->accum[2], reg, offsetof(YInteger, value), sizeof(int64_t));
jit_patch(jit, not_int_jump);
jit_movr(jit, frame->accum[0], frame->accum[2]);
return frame->accum[0];
}
void CAssembler::arg_reg_fd(uint32_t* opcode)
{
*opcode |= pop_reg() << 6;
}
void CAssembler::arg_reg_s(uint32_t* opcode)
{
*opcode |= pop_reg() << 21;
}