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i915: Fix streaming loads for intel_tiled_memcpy 

We stream from a tiled and aligned source into an unaligned user buffer,
so we need to use _mm_storeu_si128.

Fixes: d21c086d81 (i965/tiled_memcpy: inline movntdqa loads in tiled_to_linear)
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Chris Wilson 2018-05-26 00:33:56 +01:00 committed by Kenneth Graunke
parent 18c50498db
commit f5e8b13f78
1 changed files with 5 additions and 5 deletions
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10
src/mesa/drivers/dri/i965/intel_tiled_memcpy.c
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@ -223,17 +223,17 @@ _memcpy_streaming_load(void *dest, const void *src, size_t count)
{
if (count == 16) {
__m128i val = _mm_stream_load_si128((__m128i *)src);
_mm_store_si128((__m128i *)dest, val);
_mm_storeu_si128((__m128i *)dest, val);
return dest;
} else if (count == 64) {
__m128i val0 = _mm_stream_load_si128(((__m128i *)src) + 0);
__m128i val1 = _mm_stream_load_si128(((__m128i *)src) + 1);
__m128i val2 = _mm_stream_load_si128(((__m128i *)src) + 2);
__m128i val3 = _mm_stream_load_si128(((__m128i *)src) + 3);
_mm_store_si128(((__m128i *)dest) + 0, val0);
_mm_store_si128(((__m128i *)dest) + 1, val1);
_mm_store_si128(((__m128i *)dest) + 2, val2);
_mm_store_si128(((__m128i *)dest) + 3, val3);
_mm_storeu_si128(((__m128i *)dest) + 0, val0);
_mm_storeu_si128(((__m128i *)dest) + 1, val1);
_mm_storeu_si128(((__m128i *)dest) + 2, val2);
_mm_storeu_si128(((__m128i *)dest) + 3, val3);
return dest;
} else {
assert(count < 64); /* and (count < 16) for ytiled */