#undef MEMSUFFIX
#endif
+/* Addresses computation */
+void op_addr_add (void)
+{
+/* For compatibility with 32-bit code, data reference in user mode
+ with Status_UX = 0 should be casted to 32-bit and sign extended.
+ See the MIPS64 PRA manual, section 4.10. */
+#ifdef TARGET_MIPS64
+ if ((env->CP0_Status & (1 << CP0St_UM)) &&
+ !(env->CP0_Status & (1 << CP0St_UX)))
+ T0 = (int64_t)(int32_t)(T0 + T1);
+ else
+#endif
+ T0 += T1;
+ RETURN();
+}
+
/* Arithmetic */
void op_add (void)
{
} else {
gen_op_load_gpr_T0(base);
gen_op_set_T1(offset);
- gen_op_add();
+ gen_op_addr_add();
}
/* Don't do NOP if destination is zero: we must perform the actual
* memory access
} else {
gen_op_load_gpr_T0(base);
gen_op_set_T1(offset);
- gen_op_add();
+ gen_op_addr_add();
}
/* Don't do NOP if destination is zero: we must perform the actual
* memory access