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Basic constant propagation.

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This commit is contained in:
Ben Vanik
2013-12-07 05:52:51 -08:00
parent 57432d5996
commit 3b268f07ef
10 changed files with 584 additions and 147 deletions
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339
src/alloy/hir/value.cc
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@@ -122,23 +122,111 @@ void Value::Round(RoundMode round_mode) {
}
void Value::Add(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 += other->constant.i8;
break;
case INT16_TYPE:
constant.i16 += other->constant.i16;
break;
case INT32_TYPE:
constant.i32 += other->constant.i32;
break;
case INT64_TYPE:
constant.i64 += other->constant.i64;
break;
case FLOAT32_TYPE:
constant.f32 += other->constant.f32;
break;
case FLOAT64_TYPE:
constant.f64 += other->constant.f64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Sub(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 -= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 -= other->constant.i16;
break;
case INT32_TYPE:
constant.i32 -= other->constant.i32;
break;
case INT64_TYPE:
constant.i64 -= other->constant.i64;
break;
case FLOAT32_TYPE:
constant.f32 -= other->constant.f32;
break;
case FLOAT64_TYPE:
constant.f64 -= other->constant.f64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Mul(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 *= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 *= other->constant.i16;
break;
case INT32_TYPE:
constant.i32 *= other->constant.i32;
break;
case INT64_TYPE:
constant.i64 *= other->constant.i64;
break;
case FLOAT32_TYPE:
constant.f32 *= other->constant.f32;
break;
case FLOAT64_TYPE:
constant.f64 *= other->constant.f64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Div(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 /= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 /= other->constant.i16;
break;
case INT32_TYPE:
constant.i32 /= other->constant.i32;
break;
case INT64_TYPE:
constant.i64 /= other->constant.i64;
break;
case FLOAT32_TYPE:
constant.f32 /= other->constant.f32;
break;
case FLOAT64_TYPE:
constant.f64 /= other->constant.f64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Rem(Value* other) {
@@ -157,58 +245,249 @@ void Value::MulSub(Value* dest, Value* value1, Value* value2, Value* value3) {
}
void Value::Neg() {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
switch (type) {
case INT8_TYPE:
constant.i8 = -constant.i8;
break;
case INT16_TYPE:
constant.i16 = -constant.i16;
break;
case INT32_TYPE:
constant.i32 = -constant.i32;
break;
case INT64_TYPE:
constant.i64 = -constant.i64;
break;
case FLOAT32_TYPE:
constant.f32 = -constant.f32;
break;
case FLOAT64_TYPE:
constant.f64 = -constant.f64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Abs() {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
switch (type) {
case INT8_TYPE:
constant.i8 = abs(constant.i8);
break;
case INT16_TYPE:
constant.i16 = abs(constant.i16);
break;
case INT32_TYPE:
constant.i32 = abs(constant.i32);
break;
case INT64_TYPE:
constant.i64 = abs(constant.i64);
break;
case FLOAT32_TYPE:
constant.f32 = abs(constant.f32);
break;
case FLOAT64_TYPE:
constant.f64 = abs(constant.f64);
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Sqrt() {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
switch (type) {
case FLOAT32_TYPE:
constant.f32 = 1.0f / sqrtf(constant.f32);
break;
case FLOAT64_TYPE:
constant.f64 = 1.0 / sqrt(constant.f64);
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::RSqrt() {
switch (type) {
case FLOAT32_TYPE:
constant.f32 = sqrt(constant.f32);
break;
case FLOAT64_TYPE:
constant.f64 = sqrt(constant.f64);
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::And(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 &= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 &= other->constant.i16;
break;
case INT32_TYPE:
constant.i32 &= other->constant.i32;
break;
case INT64_TYPE:
constant.i64 &= other->constant.i64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Or(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 |= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 |= other->constant.i16;
break;
case INT32_TYPE:
constant.i32 |= other->constant.i32;
break;
case INT64_TYPE:
constant.i64 |= other->constant.i64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Xor(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 ^= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 ^= other->constant.i16;
break;
case INT32_TYPE:
constant.i32 ^= other->constant.i32;
break;
case INT64_TYPE:
constant.i64 ^= other->constant.i64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Not() {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
switch (type) {
case INT8_TYPE:
constant.i8 = ~constant.i8;
break;
case INT16_TYPE:
constant.i16 = ~constant.i16;
break;
case INT32_TYPE:
constant.i32 = ~constant.i32;
break;
case INT64_TYPE:
constant.i64 = ~constant.i64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Shl(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 <<= other->constant.i8;
break;
case INT16_TYPE:
constant.i16 <<= other->constant.i16;
break;
case INT32_TYPE:
constant.i32 <<= other->constant.i32;
break;
case INT64_TYPE:
constant.i64 <<= other->constant.i64;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Shr(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 = (uint8_t)constant.i8 >> other->constant.i8;
break;
case INT16_TYPE:
constant.i16 = (uint16_t)constant.i16 >> other->constant.i8;
break;
case INT32_TYPE:
constant.i32 = (uint32_t)constant.i32 >> other->constant.i8;
break;
case INT64_TYPE:
constant.i64 = (uint16_t)constant.i64 >> other->constant.i8;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::Sha(Value* other) {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
XEASSERT(type == other->type);
switch (type) {
case INT8_TYPE:
constant.i8 = constant.i8 >> other->constant.i8;
break;
case INT16_TYPE:
constant.i16 = constant.i16 >> other->constant.i8;
break;
case INT32_TYPE:
constant.i32 = constant.i32 >> other->constant.i8;
break;
case INT64_TYPE:
constant.i64 = constant.i64 >> other->constant.i8;
break;
default:
XEASSERTALWAYS();
break;
}
}
void Value::ByteSwap() {
// TODO(benvanik): big matrix.
XEASSERTALWAYS();
switch (type) {
case INT8_TYPE:
constant.i8 = constant.i8;
break;
case INT16_TYPE:
constant.i16 = XESWAP16(constant.i16);
break;
case INT32_TYPE:
constant.i32 = XESWAP32(constant.i32);
break;
case INT64_TYPE:
constant.i64 = XESWAP64(constant.i64);
break;
default:
XEASSERTALWAYS();
break;
}
}
bool Value::Compare(Opcode opcode, Value* other) {