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Constant type fixes.

This commit is contained in:
Ben Vanik 2013-12-15 12:09:28 -08:00
parent 88cdb9e36c
commit 1d0ed4882d
1 changed files with 21 additions and 7 deletions
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28
src/alloy/hir/value.cc
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@ -59,7 +59,21 @@ void Value::Cast(TypeName target_type) {
}
void Value::ZeroExtend(TypeName target_type) {
// TODO(benvanik): big matrix.
switch (type) {
case INT8_TYPE:
type = target_type;
constant.i64 = constant.i64 & ~0xFF;
return;
case INT16_TYPE:
type = target_type;
constant.i64 = constant.i64 & ~0xFFFF;
return;
case INT32_TYPE:
type = target_type;
constant.i64 = constant.i64 & ~0xFFFFFFFF;
return;
}
// Unsupported types.
XEASSERTALWAYS();
}
@ -412,19 +426,19 @@ void Value::Not() {
}
void Value::Shl(Value* other) {
XEASSERT(type == other->type);
XEASSERT(other->type == INT8_TYPE);
switch (type) {
case INT8_TYPE:
constant.i8 <<= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 <<= other->constant.i16;
constant.i16 <<= other->constant.i8;
break;
case INT32_TYPE:
constant.i32 <<= other->constant.i32;
constant.i32 <<= other->constant.i8;
break;
case INT64_TYPE:
constant.i64 <<= other->constant.i64;
constant.i64 <<= other->constant.i8;
break;
default:
XEASSERTALWAYS();
@ -433,7 +447,7 @@ void Value::Shl(Value* other) {
}
void Value::Shr(Value* other) {
XEASSERT(type == other->type);
XEASSERT(other->type == INT8_TYPE);
switch (type) {
case INT8_TYPE:
constant.i8 = (uint8_t)constant.i8 >> other->constant.i8;
@ -454,7 +468,7 @@ void Value::Shr(Value* other) {
}
void Value::Sha(Value* other) {
XEASSERT(type == other->type);
XEASSERT(other->type == INT8_TYPE);
switch (type) {
case INT8_TYPE:
constant.i8 = constant.i8 >> other->constant.i8;