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Added support for Altivec: vavgsb 

Also little size adjustments for vavgsh
This commit is contained in:
Radosław Gliński 2019-07-18 21:22:42 +02:00
parent e14639c6c0
commit 53eb95d33c
1 changed files with 20 additions and 10 deletions
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16
src/xenia/cpu/hir/value.cc
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@ -1380,17 +1380,27 @@ void Value::VectorAverage(Value* other, TypeName type, bool is_unsigned,
bool saturate) {
assert_true(this->type == VEC128_TYPE && other->type == VEC128_TYPE);
switch (type) {
case INT16_TYPE: {
// TODO(gibbed): is this correct?
case INT8_TYPE: {
alignas(16) int8_t result[16];
__m128i src1 =
_mm_load_si128(reinterpret_cast<const __m128i*>(constant.v128.i8));
__m128i src2 = _mm_load_si128(
reinterpret_cast<const __m128i*>(other->constant.v128.i8));
__m128i dest = _mm_avg_epu16(src1, src2);
__m128i dest = _mm_avg_epu8(src1, src2);
_mm_store_si128(reinterpret_cast<__m128i*>(result), dest);
std::memcpy(constant.v128.i8, result, sizeof(result));
} break;
case INT16_TYPE: {
alignas(16) int16_t result[8];
__m128i src1 =
_mm_load_si128(reinterpret_cast<const __m128i*>(constant.v128.i16));
__m128i src2 = _mm_load_si128(
reinterpret_cast<const __m128i*>(other->constant.v128.i16));
__m128i dest = _mm_avg_epu16(src1, src2);
_mm_store_si128(reinterpret_cast<__m128i*>(result), dest);
std::memcpy(constant.v128.i16, result, sizeof(result));
} break;
// There is no _mm_avg_epu32. if there is a game that uses INT32_TYPE then it should be implemented?
default:
assert_unhandled_case(type);
break;