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target/arm: Implement SME integer outer product 

This is SMOPA, SUMOPA, USMOPA_s, UMOPA, for both Int8 and Int16.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708151540.18136-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-07-08 20:45:22 +05:30 committed by Peter Maydell
parent 3916841ac7
commit 23a5e3859f
4 changed files with 118 additions and 0 deletions
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16
target/arm/helper-sme.h
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@ -129,3 +129,19 @@ DEF_HELPER_FLAGS_7(sme_fmopa_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_bfmopa, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_smopa_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_umopa_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_sumopa_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_usmopa_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_smopa_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_umopa_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_sumopa_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_6(sme_usmopa_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, ptr, i32)

10
target/arm/sme.decode
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@ -76,3 +76,13 @@ FMOPA_d 10000000 110 ..... ... ... ..... . 0 ... @op_64
BFMOPA 10000001 100 ..... ... ... ..... . 00 .. @op_32
FMOPA_h 10000001 101 ..... ... ... ..... . 00 .. @op_32
SMOPA_s 1010000 0 10 0 ..... ... ... ..... . 00 .. @op_32
SUMOPA_s 1010000 0 10 1 ..... ... ... ..... . 00 .. @op_32
USMOPA_s 1010000 1 10 0 ..... ... ... ..... . 00 .. @op_32
UMOPA_s 1010000 1 10 1 ..... ... ... ..... . 00 .. @op_32
SMOPA_d 1010000 0 11 0 ..... ... ... ..... . 0 ... @op_64
SUMOPA_d 1010000 0 11 1 ..... ... ... ..... . 0 ... @op_64
USMOPA_d 1010000 1 11 0 ..... ... ... ..... . 0 ... @op_64
UMOPA_d 1010000 1 11 1 ..... ... ... ..... . 0 ... @op_64

82
target/arm/sme_helper.c
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@ -1117,3 +1117,85 @@ void HELPER(sme_bfmopa)(void *vza, void *vzn, void *vzm, void *vpn,
} while (row & 15);
}
}
typedef uint64_t IMOPFn(uint64_t, uint64_t, uint64_t, uint8_t, bool);
static inline void do_imopa(uint64_t *za, uint64_t *zn, uint64_t *zm,
uint8_t *pn, uint8_t *pm,
uint32_t desc, IMOPFn *fn)
{
intptr_t row, col, oprsz = simd_oprsz(desc) / 8;
bool neg = simd_data(desc);
for (row = 0; row < oprsz; ++row) {
uint8_t pa = pn[H1(row)];
uint64_t *za_row = &za[tile_vslice_index(row)];
uint64_t n = zn[row];
for (col = 0; col < oprsz; ++col) {
uint8_t pb = pm[H1(col)];
uint64_t *a = &za_row[col];
*a = fn(n, zm[col], *a, pa & pb, neg);
}
}
}
#define DEF_IMOP_32(NAME, NTYPE, MTYPE) \
static uint64_t NAME(uint64_t n, uint64_t m, uint64_t a, uint8_t p, bool neg) \
{ \
uint32_t sum0 = 0, sum1 = 0; \
/* Apply P to N as a mask, making the inactive elements 0. */ \
n &= expand_pred_b(p); \
sum0 += (NTYPE)(n >> 0) * (MTYPE)(m >> 0); \
sum0 += (NTYPE)(n >> 8) * (MTYPE)(m >> 8); \
sum0 += (NTYPE)(n >> 16) * (MTYPE)(m >> 16); \
sum0 += (NTYPE)(n >> 24) * (MTYPE)(m >> 24); \
sum1 += (NTYPE)(n >> 32) * (MTYPE)(m >> 32); \
sum1 += (NTYPE)(n >> 40) * (MTYPE)(m >> 40); \
sum1 += (NTYPE)(n >> 48) * (MTYPE)(m >> 48); \
sum1 += (NTYPE)(n >> 56) * (MTYPE)(m >> 56); \
if (neg) { \
sum0 = (uint32_t)a - sum0, sum1 = (uint32_t)(a >> 32) - sum1; \
} else { \
sum0 = (uint32_t)a + sum0, sum1 = (uint32_t)(a >> 32) + sum1; \
} \
return ((uint64_t)sum1 << 32) | sum0; \
}
#define DEF_IMOP_64(NAME, NTYPE, MTYPE) \
static uint64_t NAME(uint64_t n, uint64_t m, uint64_t a, uint8_t p, bool neg) \
{ \
uint64_t sum = 0; \
/* Apply P to N as a mask, making the inactive elements 0. */ \
n &= expand_pred_h(p); \
sum += (NTYPE)(n >> 0) * (MTYPE)(m >> 0); \
sum += (NTYPE)(n >> 16) * (MTYPE)(m >> 16); \
sum += (NTYPE)(n >> 32) * (MTYPE)(m >> 32); \
sum += (NTYPE)(n >> 48) * (MTYPE)(m >> 48); \
return neg ? a - sum : a + sum; \
}
DEF_IMOP_32(smopa_s, int8_t, int8_t)
DEF_IMOP_32(umopa_s, uint8_t, uint8_t)
DEF_IMOP_32(sumopa_s, int8_t, uint8_t)
DEF_IMOP_32(usmopa_s, uint8_t, int8_t)
DEF_IMOP_64(smopa_d, int16_t, int16_t)
DEF_IMOP_64(umopa_d, uint16_t, uint16_t)
DEF_IMOP_64(sumopa_d, int16_t, uint16_t)
DEF_IMOP_64(usmopa_d, uint16_t, int16_t)
#define DEF_IMOPH(NAME) \
void HELPER(sme_##NAME)(void *vza, void *vzn, void *vzm, void *vpn, \
void *vpm, uint32_t desc) \
{ do_imopa(vza, vzn, vzm, vpn, vpm, desc, NAME); }
DEF_IMOPH(smopa_s)
DEF_IMOPH(umopa_s)
DEF_IMOPH(sumopa_s)
DEF_IMOPH(usmopa_s)
DEF_IMOPH(smopa_d)
DEF_IMOPH(umopa_d)
DEF_IMOPH(sumopa_d)
DEF_IMOPH(usmopa_d)

10
target/arm/translate-sme.c
View File

@ -361,3 +361,13 @@ TRANS_FEAT(FMOPA_d, aa64_sme_f64f64, do_outprod_fpst, a, MO_64, gen_helper_sme_f
/* TODO: FEAT_EBF16 */
TRANS_FEAT(BFMOPA, aa64_sme, do_outprod, a, MO_32, gen_helper_sme_bfmopa)
TRANS_FEAT(SMOPA_s, aa64_sme, do_outprod, a, MO_32, gen_helper_sme_smopa_s)
TRANS_FEAT(UMOPA_s, aa64_sme, do_outprod, a, MO_32, gen_helper_sme_umopa_s)
TRANS_FEAT(SUMOPA_s, aa64_sme, do_outprod, a, MO_32, gen_helper_sme_sumopa_s)
TRANS_FEAT(USMOPA_s, aa64_sme, do_outprod, a, MO_32, gen_helper_sme_usmopa_s)
TRANS_FEAT(SMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_smopa_d)
TRANS_FEAT(UMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_umopa_d)
TRANS_FEAT(SUMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_sumopa_d)
TRANS_FEAT(USMOPA_d, aa64_sme_i16i64, do_outprod, a, MO_64, gen_helper_sme_usmopa_d)