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Division->shift. since it's a signed integer, gets rid of a cdq instruction.

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Henrik Rydgård 2023-06-13 11:57:28 +02:00
parent 0eb3702ecb
commit df7bd89b7d
1 changed files with 2 additions and 2 deletions
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4
GPU/Common/IndexGenerator.cpp
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@ -129,7 +129,7 @@ void IndexGenerator::AddStrip(int numVerts, bool clockwise) {
// We allow ourselves to write some extra indices to avoid the fallback loop.
// That's alright as we're appending to a buffer - they will get overwritten anyway.
int numChunks = (numTris + 7) / 8;
int numChunks = (numTris + 7) >> 3;
__m128i ibase8 = _mm_set1_epi16(index_);
const __m128i *offsets = (const __m128i *)(clockwise ? offsets_clockwise : offsets_counter_clockwise);
__m128i *dst = (__m128i *)inds_;
@ -157,7 +157,7 @@ void IndexGenerator::AddStrip(int numVerts, bool clockwise) {
inds_ += numTris * 3;
// wind doesn't need to be updated, an even number of triangles have been drawn.
#elif PPSSPP_ARCH(ARM_NEON)
int numChunks = (numTris + 7) / 8;
int numChunks = (numTris + 7) >> 3;
uint16x8_t ibase8 = vdupq_n_u16(index_);
const u16 *offsets = clockwise ? offsets_clockwise : offsets_counter_clockwise;
u16 *dst = inds_;