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intel/mi: Add a unit test for gen_mi_store_if().

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This tests that predicated stores work.

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Kenneth Graunke
2019-07-16 17:22:01 -07:00
parent 74063ee61a
commit fe08aa67a8
1 changed files with 43 additions and 0 deletions
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src/intel/common/tests/gen_mi_builder_test.cpp
+43
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@@ -62,9 +62,20 @@ __gen_address_offset(address addr, uint64_t offset)
#define INPUT_DATA_OFFSET 0
#define OUTPUT_DATA_OFFSET 2048
#define __genxml_cmd_length(cmd) cmd ## _length
#define __genxml_cmd_length_bias(cmd) cmd ## _length_bias
#define __genxml_cmd_header(cmd) cmd ## _header
#define __genxml_cmd_pack(cmd) cmd ## _pack
#include "genxml/genX_pack.h"
#include "gen_mi_builder.h"
#define emit_cmd(cmd, name) \
for (struct cmd name = { __genxml_cmd_header(cmd) }, \
*_dst = (struct cmd *) emit_dwords(__genxml_cmd_length(cmd)); \
__builtin_expect(_dst != NULL, 1); \
__genxml_cmd_pack(cmd)(this, (void *)_dst, &name), _dst = NULL)
#include <vector>
class gen_mi_builder_test : public ::testing::Test {
@@ -676,4 +687,36 @@ TEST_F(gen_mi_builder_test, udiv32_imm)
}
}
TEST_F(gen_mi_builder_test, store_if)
{
uint64_t u64 = 0xb453b411deadc0deull;
uint32_t u32 = 0x1337d00d;
/* Write values with the predicate enabled */
emit_cmd(GENX(MI_PREDICATE), mip) {
mip.LoadOperation = LOAD_LOAD;
mip.CombineOperation = COMBINE_SET;
mip.CompareOperation = COMPARE_TRUE;
}
gen_mi_store_if(&b, out_mem64(0), gen_mi_imm(u64));
gen_mi_store_if(&b, out_mem32(8), gen_mi_imm(u32));
/* Set predicate to false, write garbage that shouldn't land */
emit_cmd(GENX(MI_PREDICATE), mip) {
mip.LoadOperation = LOAD_LOAD;
mip.CombineOperation = COMBINE_SET;
mip.CompareOperation = COMPARE_FALSE;
}
gen_mi_store_if(&b, out_mem64(0), gen_mi_imm(0xd0d0d0d0d0d0d0d0ull));
gen_mi_store_if(&b, out_mem32(8), gen_mi_imm(0xc000c000));
submit_batch();
EXPECT_EQ(*(uint64_t *)(output + 0), u64);
EXPECT_EQ(*(uint32_t *)(output + 8), u32);
EXPECT_EQ(*(uint32_t *)(output + 12), (uint32_t)canary);
}
#endif /* GEN_GEN >= 8 || GEN_IS_HASWELL */