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Expanded vec128 and VectorSub 

Added double precision (f64) values to the vec128 structure
Added cases for all formats of data for vector subtraction in the
Value::VectorSub function

NOTE: Unsure what the saturate function is for however maintained
original functionality
This commit is contained in:
Haydn Trigg 2016-05-17 05:34:09 +09:30
parent 720f8b0dc2
commit f2ca689ea0
2 changed files with 76 additions and 24 deletions
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3
src/xenia/base/vec128.h
View File

@ -90,7 +90,8 @@ typedef struct alignas(16) vec128_s {
uint32_t uz;
uint32_t uw;
};
float f32[4];
float f32[4];
double f64[2];
int8_t i8[16];
uint8_t u8[16];
int16_t i16[8];

97
src/xenia/cpu/hir/value.cc
View File

@ -1004,29 +1004,80 @@ void Value::VectorRol(Value* other, TypeName type) {
}
void Value::VectorSub(Value* other, TypeName type, bool is_unsigned,
bool saturate) {
assert_true(this->type == VEC128_TYPE && other->type == VEC128_TYPE);
switch (type) {
case INT32_TYPE:
for (int i = 0; i < 4; i++) {
if (is_unsigned) {
if (saturate) {
assert_always();
} else {
constant.v128.u32[i] -= other->constant.v128.u32[i];
}
} else {
if (saturate) {
assert_always();
} else {
constant.v128.i32[i] -= other->constant.v128.i32[i];
}
}
}
default:
assert_unhandled_case(type);
break;
}
bool saturate) {
assert_true(this->type == VEC128_TYPE && other->type == VEC128_TYPE);
switch (type) {
case FLOAT32_TYPE:
if (saturate) assert_always();
else
{
constant.v128.x -= other->constant.v128.x;
constant.v128.y -= other->constant.v128.y;
constant.v128.z -= other->constant.v128.z;
constant.v128.w -= other->constant.v128.w;
}
break;
case INT32_TYPE:
if (saturate) assert_always();
else
{
for (int i = 0; i < 4; i++)
{
if (is_unsigned) constant.v128.u32[i] -= other->constant.v128.u32[i];
else constant.v128.i32[i] -= other->constant.v128.i32[i];
}
}
break;
case FLOAT64_TYPE:
if (saturate) assert_always();
else
{
constant.v128.f64[0] -= other->constant.v128.f64[0];
constant.v128.f64[1] -= other->constant.v128.f64[1];
}
break;
case INT8_TYPE:
if (saturate) assert_always();
else
{
for (int i = 0; i < 16; i++)
{
if (is_unsigned) constant.v128.u8[i] -= other->constant.v128.u8[i];
else constant.v128.i8[i] -= other->constant.v128.i8[i];
}
}
break;
case INT16_TYPE:
if (saturate) assert_always();
else
{
for (int i = 0; i < 9; i++)
{
if (is_unsigned) constant.v128.u16[i] -= other->constant.v128.u16[i];
else constant.v128.i16[i] -= other->constant.v128.i16[i];
}
}
break;
case INT64_TYPE:
if (saturate) assert_always();
else
{
if (is_unsigned)
{
constant.v128.u64[0] -= other->constant.v128.u64[0];
constant.v128.u64[1] -= other->constant.v128.u64[1];
}
else
{
constant.v128.i64[0] -= other->constant.v128.i64[0];
constant.v128.i64[1] -= other->constant.v128.i64[1];
}
}
break;
default:
assert_unhandled_case(type);
break;
}
}
void Value::ByteSwap() {