tcg/i386: Move constraint type check to tcg_target_const_match

Rather than check the type when filling in the constraint,
check it when matching the constant.  This removes the only
use of the type argument to target_parse_constraint.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-10-16 14:26:30 -07:00
parent 2366c858f9
commit c7c778b5b9

View File

@ -263,13 +263,13 @@ static const char *target_parse_constraint(TCGArgConstraint *ct,
break;
case 'e':
ct->ct |= (type == TCG_TYPE_I32 ? TCG_CT_CONST : TCG_CT_CONST_S32);
ct->ct |= TCG_CT_CONST_S32;
break;
case 'Z':
ct->ct |= (type == TCG_TYPE_I32 ? TCG_CT_CONST : TCG_CT_CONST_U32);
ct->ct |= TCG_CT_CONST_U32;
break;
case 'I':
ct->ct |= (type == TCG_TYPE_I32 ? TCG_CT_CONST : TCG_CT_CONST_I32);
ct->ct |= TCG_CT_CONST_I32;
break;
default:
@ -286,14 +286,20 @@ static inline int tcg_target_const_match(tcg_target_long val, TCGType type,
if (ct & TCG_CT_CONST) {
return 1;
}
if ((ct & TCG_CT_CONST_S32) && val == (int32_t)val) {
return 1;
}
if ((ct & TCG_CT_CONST_U32) && val == (uint32_t)val) {
return 1;
}
if ((ct & TCG_CT_CONST_I32) && ~val == (int32_t)~val) {
return 1;
if (type == TCG_TYPE_I32) {
if (ct & (TCG_CT_CONST_S32 | TCG_CT_CONST_U32 | TCG_CT_CONST_I32)) {
return 1;
}
} else {
if ((ct & TCG_CT_CONST_S32) && val == (int32_t)val) {
return 1;
}
if ((ct & TCG_CT_CONST_U32) && val == (uint32_t)val) {
return 1;
}
if ((ct & TCG_CT_CONST_I32) && ~val == (int32_t)~val) {
return 1;
}
}
if ((ct & TCG_CT_CONST_WSZ) && val == (type == TCG_TYPE_I32 ? 32 : 64)) {
return 1;