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agx: Allow some 8-bit sources

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8-bit sources are useful for int8->float32 conversions, which we can do in a
single hardware instruction.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19996>
This commit is contained in:
Alyssa Rosenzweig 2022-11-24 20:40:47 -05:00 • committed by Marge Bot
parent ba209fe493
commit 8127737c1e
2 changed files with 2 additions and 1 deletions
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2
src/asahi/compiler/agx_compile.c
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@ -852,7 +852,7 @@ agx_alu_src_index(agx_builder *b, nir_alu_src src)
unsigned comps = nir_src_num_components(src.src);
unsigned channel = src.swizzle[0];
assert(bitsize == 1 || bitsize == 16 || bitsize == 32 || bitsize == 64);
assert(bitsize == 1 || bitsize == 8 || bitsize == 16 || bitsize == 32 || bitsize == 64);
assert(!(src.negate || src.abs));
assert(channel < comps);

1
src/asahi/compiler/agx_compiler.h
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@ -442,6 +442,7 @@ agx_size_for_bits(unsigned bits)
{
switch (bits) {
case 1:
case 8:
case 16: return AGX_SIZE_16;
case 32: return AGX_SIZE_32;
case 64: return AGX_SIZE_64;