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pan/bit: Add helper for generating floating mod tests 

We can iterate them, isn't that adorable!

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4458>
This commit is contained in:
Alyssa Rosenzweig 2020-04-01 16:24:15 -04:00 committed by Marge Bot
parent 14c5343867
commit 7c887d368e
2 changed files with 56 additions and 7 deletions
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52
src/panfrost/bifrost/test/bi_test_pack.c
View File

@ -143,5 +143,55 @@ bit_test_single(struct panfrost_device *dev,
bi_pack(ctx, &prog.compiled);
return bit_vertex(dev, prog, input, 16, NULL, 0,
s.r, 16, BIT_DEBUG_ALL);
s.r, 16, debug);
}
/* Utilities for generating tests */
static void
bit_generate_vector(uint32_t *mem)
{
for (unsigned i = 0; i < 4; ++i)
mem[i] = rand();
}
/* Tests all 64 combinations of floating point modifiers for a given
* instruction / floating-type / test type */
void
bit_fmod_helper(struct panfrost_device *dev,
enum bi_class c, unsigned size, bool fma,
uint32_t *input, enum bit_debug debug)
{
nir_alu_type T = nir_type_float | size;
bi_instruction ins = {
.type = c,
.src = {
BIR_INDEX_REGISTER | 0,
BIR_INDEX_REGISTER | 1,
},
.src_types = { T, T },
.dest = BIR_INDEX_REGISTER | 2,
.dest_type = T,
};
for (unsigned outmod = 0; outmod < 4; ++outmod) {
for (unsigned inmod = 0; inmod < 16; ++inmod) {
ins.outmod = outmod;
ins.src_abs[0] = (inmod & 0x1);
ins.src_abs[1] = (inmod & 0x2);
ins.src_neg[0] = (inmod & 0x4);
ins.src_neg[1] = (inmod & 0x8);
if (!bit_test_single(dev, &ins, input, fma, debug)) {
fprintf(stderr, "FAIL: fmod.%s%u.%s%s.%u\n",
bi_class_name(c),
size,
fma ? "fma" : "add",
outmod ? bi_output_mod_name(outmod) : ".none",
inmod);
}
}
}
}

11
src/panfrost/bifrost/test/bit.h
View File

@ -48,7 +48,7 @@ bool
bit_vertex(struct panfrost_device *dev, panfrost_program prog,
uint32_t *iubo, size_t sz_ubo,
uint32_t *iattr, size_t sz_attr,
uint32_t *expected, size_t sz_expected, enum bit_debug);
uint32_t *expected, size_t sz_expected, enum bit_debug debug);
/* BIT interpreter */
@ -69,11 +69,10 @@ bit_step(struct bit_state *s, bi_instruction *ins, bool FMA);
/* Packing tests */
bool
bit_test_single(struct panfrost_device *dev,
bi_instruction *ins,
uint32_t input[4],
bool fma);
void
bit_fmod_helper(struct panfrost_device *dev,
enum bi_class c, unsigned size, bool fma,
uint32_t *input, enum bit_debug debug);
#endif