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pan/bit: Add SELECT tests

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4766>
This commit is contained in:
Alyssa Rosenzweig 2020-04-24 20:52:40 -04:00 • committed by Marge Bot
parent 23ffaa16c7
commit 64c33a459f
1 changed files with 34 additions and 0 deletions
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34
src/panfrost/bifrost/test/bi_test_pack.c
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@ -373,6 +373,36 @@ bit_reduce_helper(struct panfrost_device *dev, uint32_t *input, enum bit_debug d
}
}
static void
bit_select_helper(struct panfrost_device *dev, uint32_t *input, unsigned size, enum bit_debug debug)
{
unsigned C = 32 / size;
bi_instruction ins = bit_ins(BI_SELECT, C, nir_type_uint, 32);
for (unsigned c = 0; c < C; ++c)
ins.src_types[c] = nir_type_uint | size;
if (size == 8) {
/* SCHEDULER: We can only read 3 registers at once. */
ins.src[2] = ins.src[0];
}
/* Each argument has swizzle {lo, hi} so 2^C options */
unsigned hi = (size == 16) ? 1 : 2;
for (unsigned add = 0; add < ((size == 16) ? 2 : 1); ++add) {
for (unsigned swizzle = 0; swizzle < (1 << C); ++swizzle) {
for (unsigned i = 0; i < C; ++i)
ins.swizzle[i][0] = ((swizzle >> i) & 1) ? hi : 0;
if (!bit_test_single(dev, &ins, input, !add, debug)) {
fprintf(stderr, "FAIL: select.%u.%u\n",
size, swizzle);
}
}
}
}
static void
bit_convert_helper(struct panfrost_device *dev, unsigned from_size,
unsigned to_size, unsigned cx, unsigned cy, bool FMA,
@ -511,4 +541,8 @@ bit_packing(struct panfrost_device *dev, enum bit_debug debug)
memcpy(mscale_input, input32, sizeof(input32));
mscale_input[3] = 0x7;
bit_fma_mscale_helper(dev, mscale_input, debug);
for (unsigned sz = 8; sz <= 16; sz *= 2) {
bit_select_helper(dev, (uint32_t *) input32, 8, debug);
}
}