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pan/bit: Add BI_CONVERT tests

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4539>
This commit is contained in:
Alyssa Rosenzweig 2020-04-13 18:19:41 -04:00 committed by Marge Bot
parent 9f50b19534
commit 2513d0257c
1 changed files with 66 additions and 0 deletions
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66
src/panfrost/bifrost/test/bi_test_pack.c
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@ -286,6 +286,58 @@ bit_special_helper(struct panfrost_device *dev,
}
}
static void
bit_convert_helper(struct panfrost_device *dev, unsigned from_size,
unsigned to_size, unsigned cx, unsigned cy, bool FMA,
enum bifrost_roundmode roundmode,
uint32_t *input, enum bit_debug debug)
{
bi_instruction ins = {
.type = BI_CONVERT,
.dest = BIR_INDEX_REGISTER | 0,
.writemask = 0xF,
.src = { BIR_INDEX_REGISTER | 0 }
};
nir_alu_type Ts[3] = { nir_type_float, nir_type_uint, nir_type_int };
for (unsigned from_base = 0; from_base < 3; ++from_base) {
for (unsigned to_base = 0; to_base < 3; ++to_base) {
/* Discard invalid combinations.. */
if ((from_size == to_size) && (from_base == to_base))
continue;
/* Can't switch signedness */
if (from_base && to_base)
continue;
/* No F16_TO_I32, etc */
if (from_size != to_size && from_base == 0 && to_base)
continue;
if (from_size != to_size && from_base && to_base == 0)
continue;
/* No need, just ignore the upper half */
if (from_size > to_size && from_base == to_base && from_base)
continue;
ins.dest_type = Ts[to_base] | to_size;
ins.src_types[0] = Ts[from_base] | from_size;
ins.roundmode = roundmode;
ins.swizzle[0][0] = cx;
ins.swizzle[0][1] = cy;
if (!bit_test_single(dev, &ins, input, FMA, debug)) {
fprintf(stderr, "FAIL: convert.%u-%u.%u-%u.%u%u\n",
from_base, from_size,
to_base, to_size,
cx, cy);
}
}
}
}
void
bit_packing(struct panfrost_device *dev, enum bit_debug debug)
{
@ -324,4 +376,18 @@ bit_packing(struct panfrost_device *dev, enum bit_debug debug)
bit_special_helper(dev, sz, input, debug);
}
for (unsigned rm = 0; rm < 4; ++rm) {
bit_convert_helper(dev, 32, 32, 0, 0, false, rm, (uint32_t *) input32, debug);
for (unsigned c = 0; c < 2; ++c)
bit_convert_helper(dev, 32, 16, c, 0, false, rm, (uint32_t *) input32, debug);
bit_convert_helper(dev, 16, 32, 0, 0, false, rm, (uint32_t *) input16, debug);
for (unsigned c = 0; c < 4; ++c)
bit_convert_helper(dev, 16, 16, c & 1, c >> 1, false, rm, (uint32_t *) input16, debug);
}
}