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pan/bi: Add initial fcmp test

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4789>
This commit is contained in:
Alyssa Rosenzweig 2020-04-28 12:46:33 -04:00 • committed by Marge Bot
parent 778e27b5ac
commit 6b551d9f36
1 changed files with 44 additions and 0 deletions
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44
src/panfrost/bifrost/test/bi_test_pack.c
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@ -403,6 +403,47 @@ bit_select_helper(struct panfrost_device *dev, uint32_t *input, unsigned size, e
}
}
static void
bit_fcmp_helper(struct panfrost_device *dev, uint32_t *input, unsigned size, enum bit_debug debug, bool FMA)
{
bi_instruction ins = bit_ins(BI_CMP, 2, nir_type_float, size);
ins.dest_type = nir_type_uint | size;
/* 16-bit has swizzles and abs. 32-bit has abs/neg mods. */
unsigned max_mods = (size == 16) ? 64 : (size == 32) ? 16 : 1;
for (enum bi_cond cond = BI_COND_LT; cond <= BI_COND_NE; ++cond) {
for (unsigned mods = 0; mods < max_mods; ++mods) {
ins.cond = cond;
if (size == 16) {
for (unsigned i = 0; i < 2; ++i) {
ins.swizzle[i][0] = ((mods >> (i * 2)) & 1) ? 1 : 0;
ins.swizzle[i][1] = ((mods >> (i * 2)) & 2) ? 1 : 0;
}
ins.src_abs[0] = (mods & 16) ? true : false;
ins.src_abs[1] = (mods & 32) ? true : false;
} else if (size == 8) {
for (unsigned i = 0; i < 2; ++i) {
for (unsigned j = 0; j < 4; ++j)
ins.swizzle[i][j] = j;
}
} else if (size == 32) {
ins.src_abs[0] = (mods & 1) ? true : false;
ins.src_abs[1] = (mods & 2) ? true : false;
ins.src_neg[0] = (mods & 4) ? true : false;
ins.src_neg[1] = (mods & 8) ? true : false;
}
if (!bit_test_single(dev, &ins, input, FMA, debug)) {
fprintf(stderr, "FAIL: cmp.%s.%u.%u.%u\n",
FMA ? "fma" : "add", size, mods, cond);
}
}
}
}
static void
bit_convert_helper(struct panfrost_device *dev, unsigned from_size,
unsigned to_size, unsigned cx, unsigned cy, bool FMA,
@ -545,4 +586,7 @@ bit_packing(struct panfrost_device *dev, enum bit_debug debug)
for (unsigned sz = 8; sz <= 16; sz *= 2) {
bit_select_helper(dev, (uint32_t *) input32, sz, debug);
}
bit_fcmp_helper(dev, (uint32_t *) input32, 32, debug, true);
bit_fcmp_helper(dev, (uint32_t *) input32, 16, debug, true);
}