32x32 multiplication result is added to a third register with Q63 saturation
Signed-off-by: LIU Zhiwei <zhiwei_...@c-sky.com> --- target/riscv/helper.h | 4 ++++ target/riscv/insn32.decode | 4 ++++ target/riscv/insn_trans/trans_rvp.c.inc | 5 ++++ target/riscv/packed_helper.c | 31 +++++++++++++++++++++++++ 4 files changed, 44 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 0fa48955d8..05f8f31367 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1456,3 +1456,7 @@ DEF_HELPER_4(kdmatt16, tl, env, tl, tl, tl) DEF_HELPER_3(smbt32, i64, env, i64, i64) DEF_HELPER_3(smtt32, i64, env, i64, i64) + +DEF_HELPER_4(kmabb32, tl, env, tl, tl, tl) +DEF_HELPER_4(kmabt32, tl, env, tl, tl, tl) +DEF_HELPER_4(kmatt32, tl, env, tl, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index d06075c062..dec714a064 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1079,3 +1079,7 @@ kdmatt16 1111100 ..... ..... 001 ..... 1110111 @r smbt32 0001100 ..... ..... 010 ..... 1110111 @r smtt32 0010100 ..... ..... 010 ..... 1110111 @r + +kmabb32 0101101 ..... ..... 010 ..... 1110111 @r +kmabt32 0110101 ..... ..... 010 ..... 1110111 @r +kmatt32 0111101 ..... ..... 010 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index a88ce7a5c4..2de81abbb8 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -1126,3 +1126,8 @@ GEN_RVP64_R_ACC_OOL(kdmatt16); /* (RV64 Only) 32-bit Multiply Instructions */ GEN_RVP64_R_OOL(smbt32); GEN_RVP64_R_OOL(smtt32); + +/* (RV64 Only) 32-bit Multiply & Add Instructions */ +GEN_RVP64_R_ACC_OOL(kmabb32); +GEN_RVP64_R_ACC_OOL(kmabt32); +GEN_RVP64_R_ACC_OOL(kmatt32); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index eb086b775f..3c05c748c4 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -3582,3 +3582,34 @@ static inline void do_smtt32(CPURISCVState *env, void *vd, void *va, } RVPR64_64_64(smtt32, 1, 8); + +/* (RV64 Only) 32-bit Multiply & Add Instructions */ +static inline void do_kmabb32(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + int64_t *d = vd, *c = vc; + int32_t *a = va, *b = vb; + *d = sadd64(env, 0, (int64_t)a[H4(2 * i)] * b[H4(2 * i)], *c); +} + +RVPR_ACC(kmabb32, 1, 8); + +static inline void do_kmabt32(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + int64_t *d = vd, *c = vc; + int32_t *a = va, *b = vb; + *d = sadd64(env, 0, (int64_t)a[H4(2 * i)] * b[H4(2 * i + 1)], *c); +} + +RVPR_ACC(kmabt32, 1, 8); + +static inline void do_kmatt32(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + int64_t *d = vd, *c = vc; + int32_t *a = va, *b = vb; + *d = sadd64(env, 0, (int64_t)a[H4(2 * i + 1)] * b[H4(2 * i + 1)], *c); +} + +RVPR_ACC(kmatt32, 1, 8); -- 2.17.1