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intel/mi_builder: Add ieq/ine helpers

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Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9445>
This commit is contained in:
Jason Ekstrand 2021-02-26 15:29:14 -06:00
parent 2c02740a8c
commit 62b9e30cc7
2 changed files with 34 additions and 4 deletions
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22
src/intel/common/mi_builder.h
View file

@ -789,6 +789,28 @@ mi_isub(struct mi_builder *b, struct mi_value src0, struct mi_value src1)
MI_ALU_STORE, MI_ALU_ACCU);
}
static inline struct mi_value
mi_ieq(struct mi_builder *b, struct mi_value src0, struct mi_value src1)
{
if (src0.type == MI_VALUE_TYPE_IMM && src1.type == MI_VALUE_TYPE_IMM)
return mi_imm(mi_value_to_u64(src0) == mi_value_to_u64(src1) ? ~0ull : 0);
/* Compute "equal" by subtracting and storing the zero bit */
return mi_math_binop(b, MI_ALU_SUB, src0, src1,
MI_ALU_STORE, MI_ALU_ZF);
}
static inline struct mi_value
mi_ine(struct mi_builder *b, struct mi_value src0, struct mi_value src1)
{
if (src0.type == MI_VALUE_TYPE_IMM && src1.type == MI_VALUE_TYPE_IMM)
return mi_imm(mi_value_to_u64(src0) != mi_value_to_u64(src1) ? ~0ull : 0);
/* Compute "not equal" by subtracting and storing the inverse zero bit */
return mi_math_binop(b, MI_ALU_SUB, src0, src1,
MI_ALU_STOREINV, MI_ALU_ZF);
}
static inline struct mi_value
mi_ult(struct mi_builder *b, struct mi_value src0, struct mi_value src1)
{

16
src/intel/common/tests/mi_builder_test.cpp
View file

@ -537,7 +537,7 @@ TEST_F(mi_builder_test, add_imm)
EXPECT_EQ(*(uint64_t *)(output + 104), value + add);
}
TEST_F(mi_builder_test, ilt_uge)
TEST_F(mi_builder_test, ult_uge_ieq_ine)
{
uint64_t values[8] = {
0x0123456789abcdef,
@ -553,10 +553,14 @@ TEST_F(mi_builder_test, ilt_uge)
for (unsigned i = 0; i < ARRAY_SIZE(values); i++) {
for (unsigned j = 0; j < ARRAY_SIZE(values); j++) {
mi_store(&b, out_mem64(i * 128 + j * 16 + 0),
mi_store(&b, out_mem64(i * 256 + j * 32 + 0),
mi_ult(&b, in_mem64(i * 8), in_mem64(j * 8)));
mi_store(&b, out_mem64(i * 128 + j * 16 + 8),
mi_store(&b, out_mem64(i * 256 + j * 32 + 8),
mi_uge(&b, in_mem64(i * 8), in_mem64(j * 8)));
mi_store(&b, out_mem64(i * 256 + j * 32 + 16),
mi_ieq(&b, in_mem64(i * 8), in_mem64(j * 8)));
mi_store(&b, out_mem64(i * 256 + j * 32 + 24),
mi_ine(&b, in_mem64(i * 8), in_mem64(j * 8)));
}
}
@ -564,11 +568,15 @@ TEST_F(mi_builder_test, ilt_uge)
for (unsigned i = 0; i < ARRAY_SIZE(values); i++) {
for (unsigned j = 0; j < ARRAY_SIZE(values); j++) {
uint64_t *out_u64 = (uint64_t *)(output + i * 128 + j * 16);
uint64_t *out_u64 = (uint64_t *)(output + i * 256 + j * 32);
EXPECT_EQ_IMM(out_u64[0], mi_ult(&b, mi_imm(values[i]),
mi_imm(values[j])));
EXPECT_EQ_IMM(out_u64[1], mi_uge(&b, mi_imm(values[i]),
mi_imm(values[j])));
EXPECT_EQ_IMM(out_u64[2], mi_ieq(&b, mi_imm(values[i]),
mi_imm(values[j])));
EXPECT_EQ_IMM(out_u64[3], mi_ine(&b, mi_imm(values[i]),
mi_imm(values[j])));
}
}
}