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Constant propagation for vector SGT/UGE/UGT

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Constant rounding (and fixed vec128 rounding only doing x)
This commit is contained in:
Dr. Chat
2016-07-25 11:57:14 -05:00
parent 91be5f979e
commit a72f1d949f
3 changed files with 166 additions and 2 deletions
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144
src/xenia/cpu/hir/value.cc
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@@ -248,22 +248,57 @@ void Value::Round(RoundMode round_mode) {
switch (type) {
case FLOAT32_TYPE:
switch (round_mode) {
case ROUND_TO_ZERO:
constant.f32 = std::trunc(constant.f32);
break;
case ROUND_TO_NEAREST:
constant.f32 = std::round(constant.f32);
return;
case ROUND_TO_MINUS_INFINITY:
constant.f32 = std::floor(constant.f32);
break;
case ROUND_TO_POSITIVE_INFINITY:
constant.f32 = std::ceil(constant.f32);
break;
default:
assert_unhandled_case(round_mode);
return;
}
return;
case FLOAT64_TYPE:
switch (round_mode) {
case ROUND_TO_ZERO:
constant.f64 = std::trunc(constant.f64);
break;
case ROUND_TO_NEAREST:
constant.f64 = std::round(constant.f64);
return;
case ROUND_TO_MINUS_INFINITY:
constant.f64 = std::floor(constant.f64);
break;
case ROUND_TO_POSITIVE_INFINITY:
constant.f64 = std::ceil(constant.f64);
break;
default:
assert_unhandled_case(round_mode);
return;
}
return;
case VEC128_TYPE:
for (int i = 0; i < 4; i++) {
switch (round_mode) {
case ROUND_TO_ZERO:
constant.v128.f32[i] = std::trunc(constant.v128.f32[i]);
break;
case ROUND_TO_NEAREST:
constant.v128.f32[i] = std::round(constant.v128.f32[i]);
return;
break;
case ROUND_TO_MINUS_INFINITY:
constant.v128.f32[i] = std::floor(constant.v128.f32[i]);
break;
case ROUND_TO_POSITIVE_INFINITY:
constant.v128.f32[i] = std::ceil(constant.v128.f32[i]);
break;
default:
assert_unhandled_case(round_mode);
return;
@@ -920,16 +955,121 @@ void Value::VectorCompareSGT(Value* other, TypeName type) {
constant.v128.i32[i] > other->constant.v128.i32[i] ? -1 : 0;
}
break;
case INT64_TYPE:
for (int i = 0; i < 2; i++) {
constant.v128.u64[i] =
constant.v128.i64[i] > other->constant.v128.i64[i] ? -1 : 0;
}
break;
case FLOAT32_TYPE:
for (int i = 0; i < 4; i++) {
constant.v128.u32[i] =
constant.v128.f32[i] > other->constant.v128.f32[i] ? -1 : 0;
}
break;
default:
assert_unhandled_case(type);
break;
}
}
void Value::VectorCompareSGE(Value* other, TypeName type) {
assert_true(this->type == VEC128_TYPE && other->type == VEC128_TYPE);
switch (type) {
case INT8_TYPE:
for (int i = 0; i < 16; i++) {
constant.v128.u8[i] =
constant.v128.i8[i] >= other->constant.v128.i8[i] ? -1 : 0;
}
break;
case INT16_TYPE:
for (int i = 0; i < 8; i++) {
constant.v128.u16[i] =
constant.v128.i16[i] >= other->constant.v128.i16[i] ? -1 : 0;
}
break;
case INT32_TYPE:
for (int i = 0; i < 4; i++) {
constant.v128.u32[i] =
constant.v128.i32[i] >= other->constant.v128.i32[i] ? -1 : 0;
}
break;
case INT64_TYPE:
for (int i = 0; i < 2; i++) {
constant.v128.u64[i] =
constant.v128.i64[i] > other->constant.v128.i64[i] ? -1 : 0;
constant.v128.i64[i] >= other->constant.v128.i64[i] ? -1 : 0;
}
break;
case FLOAT32_TYPE:
for (int i = 0; i < 4; i++) {
constant.v128.u32[i] =
constant.v128.f32[i] >= other->constant.v128.f32[i] ? -1 : 0;
}
break;
default:
assert_unhandled_case(type);
break;
}
}
void Value::VectorCompareUGT(Value* other, TypeName type) {
assert_true(this->type == VEC128_TYPE && other->type == VEC128_TYPE);
switch (type) {
case INT8_TYPE:
for (int i = 0; i < 16; i++) {
constant.v128.u8[i] =
constant.v128.u8[i] > other->constant.v128.u8[i] ? -1 : 0;
}
break;
case INT16_TYPE:
for (int i = 0; i < 8; i++) {
constant.v128.u16[i] =
constant.v128.u16[i] > other->constant.v128.u16[i] ? -1 : 0;
}
break;
case INT32_TYPE:
for (int i = 0; i < 4; i++) {
constant.v128.u32[i] =
constant.v128.u32[i] > other->constant.v128.u32[i] ? -1 : 0;
}
break;
case INT64_TYPE:
for (int i = 0; i < 2; i++) {
constant.v128.u64[i] =
constant.v128.u64[i] > other->constant.v128.u64[i] ? -1 : 0;
}
break;
default:
assert_unhandled_case(type);
break;
}
}
void Value::VectorCompareUGE(Value* other, TypeName type) {
assert_true(this->type == VEC128_TYPE && other->type == VEC128_TYPE);
switch (type) {
case INT8_TYPE:
for (int i = 0; i < 16; i++) {
constant.v128.u8[i] =
constant.v128.u8[i] >= other->constant.v128.u8[i] ? -1 : 0;
}
break;
case INT16_TYPE:
for (int i = 0; i < 8; i++) {
constant.v128.u16[i] =
constant.v128.u16[i] >= other->constant.v128.u16[i] ? -1 : 0;
}
break;
case INT32_TYPE:
for (int i = 0; i < 4; i++) {
constant.v128.u32[i] =
constant.v128.u32[i] >= other->constant.v128.u32[i] ? -1 : 0;
}
break;
case INT64_TYPE:
for (int i = 0; i < 2; i++) {
constant.v128.u64[i] =
constant.v128.u64[i] >= other->constant.v128.u64[i] ? -1 : 0;
}
break;
default: