From: LIU Zhiwei <zhiwei_liu@c-sky.com> To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: palmer@dabbelt.com, bin.meng@windriver.com, Alistair.Francis@wdc.com, LIU Zhiwei <zhiwei_liu@c-sky.com> Subject: [PATCH v3 24/37] target/riscv: Non-SIMD Q15 saturation ALU Instructions Date: Thu, 24 Jun 2021 18:55:08 +0800 [thread overview] Message-ID: <20210624105521.3964-25-zhiwei_liu@c-sky.com> (raw) In-Reply-To: <20210624105521.3964-1-zhiwei_liu@c-sky.com> Q15 saturation is to limit the result to the range [INT16_MIN, INT16_MAX]. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> --- target/riscv/helper.h | 8 +++ target/riscv/insn32.decode | 8 +++ target/riscv/insn_trans/trans_rvp.c.inc | 12 ++++ target/riscv/packed_helper.c | 78 +++++++++++++++++++++++++ 4 files changed, 106 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 87a0779842..6ce22a186e 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1361,3 +1361,11 @@ DEF_HELPER_4(smalxds, i64, env, tl, tl, i64) DEF_HELPER_4(smaldrs, i64, env, tl, tl, i64) DEF_HELPER_4(smslda, i64, env, tl, tl, i64) DEF_HELPER_4(smslxda, i64, env, tl, tl, i64) + +DEF_HELPER_3(kaddh, tl, env, tl, tl) +DEF_HELPER_3(ksubh, tl, env, tl, tl) +DEF_HELPER_3(khmbb, tl, env, tl, tl) +DEF_HELPER_3(khmbt, tl, env, tl, tl) +DEF_HELPER_3(khmtt, tl, env, tl, tl) +DEF_HELPER_3(ukaddh, tl, env, tl, tl) +DEF_HELPER_3(uksubh, tl, env, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index d1668b34cb..f465851f03 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -964,3 +964,11 @@ smaldrs 1001101 ..... ..... 001 ..... 1110111 @r smalxds 1010101 ..... ..... 001 ..... 1110111 @r smslda 1010110 ..... ..... 001 ..... 1110111 @r smslxda 1011110 ..... ..... 001 ..... 1110111 @r + +kaddh 0000010 ..... ..... 001 ..... 1110111 @r +ksubh 0000011 ..... ..... 001 ..... 1110111 @r +khmbb 0000110 ..... ..... 001 ..... 1110111 @r +khmbt 0001110 ..... ..... 001 ..... 1110111 @r +khmtt 0010110 ..... ..... 001 ..... 1110111 @r +ukaddh 0001010 ..... ..... 001 ..... 1110111 @r +uksubh 0001011 ..... ..... 001 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index 7c91bdc888..48eb190bc6 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -669,3 +669,15 @@ GEN_RVP_R_D64_ACC_OOL(smaldrs); GEN_RVP_R_D64_ACC_OOL(smalxds); GEN_RVP_R_D64_ACC_OOL(smslda); GEN_RVP_R_D64_ACC_OOL(smslxda); + +/* + *** Non-SIMD Instructions + */ +/* Non-SIMD Q15 saturation ALU Instructions */ +GEN_RVP_R_OOL(kaddh); +GEN_RVP_R_OOL(ksubh); +GEN_RVP_R_OOL(khmbb); +GEN_RVP_R_OOL(khmbt); +GEN_RVP_R_OOL(khmtt); +GEN_RVP_R_OOL(ukaddh); +GEN_RVP_R_OOL(uksubh); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 3330a2ecec..171f88face 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -2526,3 +2526,81 @@ static inline void do_smslxda(CPURISCVState *env, void *vd, void *va, } RVPR64_ACC(smslxda, 2, 2); + +/* Q15 saturation instructions */ +static inline void do_kaddh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int32_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H4(i)] + b[H4(i)], 15); +} + +RVPR(kaddh, 2, 4); + +static inline void do_ksubh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int32_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H4(i)] - b[H4(i)], 15); +} + +RVPR(ksubh, 2, 4); + +static inline void do_khmbb(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i)] * b[H2(i)] >> 15, 15); +} + +RVPR(khmbb, 4, 2); + +static inline void do_khmbt(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i)] * b[H2(i + 1)] >> 15, 15); +} + +RVPR(khmbt, 4, 2); + +static inline void do_khmtt(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i + 1)] * b[H2(i + 1)] >> 15, 15); +} + +RVPR(khmtt, 4, 2); + +static inline void do_ukaddh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + uint32_t *a = va, *b = vb; + + *d = (int16_t)satu64(env, saddu32(env, 0, a[H4(i)], b[H4(i)]), 16); +} + +RVPR(ukaddh, 2, 4); + +static inline void do_uksubh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + uint32_t *a = va, *b = vb; + + *d = (int16_t)satu64(env, ssubu32(env, 0, a[H4(i)], b[H4(i)]), 16); +} + +RVPR(uksubh, 2, 4); -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: LIU Zhiwei <zhiwei_liu@c-sky.com> To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Alistair.Francis@wdc.com, palmer@dabbelt.com, bin.meng@windriver.com, LIU Zhiwei <zhiwei_liu@c-sky.com> Subject: [PATCH v3 24/37] target/riscv: Non-SIMD Q15 saturation ALU Instructions Date: Thu, 24 Jun 2021 18:55:08 +0800 [thread overview] Message-ID: <20210624105521.3964-25-zhiwei_liu@c-sky.com> (raw) In-Reply-To: <20210624105521.3964-1-zhiwei_liu@c-sky.com> Q15 saturation is to limit the result to the range [INT16_MIN, INT16_MAX]. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> --- target/riscv/helper.h | 8 +++ target/riscv/insn32.decode | 8 +++ target/riscv/insn_trans/trans_rvp.c.inc | 12 ++++ target/riscv/packed_helper.c | 78 +++++++++++++++++++++++++ 4 files changed, 106 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 87a0779842..6ce22a186e 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1361,3 +1361,11 @@ DEF_HELPER_4(smalxds, i64, env, tl, tl, i64) DEF_HELPER_4(smaldrs, i64, env, tl, tl, i64) DEF_HELPER_4(smslda, i64, env, tl, tl, i64) DEF_HELPER_4(smslxda, i64, env, tl, tl, i64) + +DEF_HELPER_3(kaddh, tl, env, tl, tl) +DEF_HELPER_3(ksubh, tl, env, tl, tl) +DEF_HELPER_3(khmbb, tl, env, tl, tl) +DEF_HELPER_3(khmbt, tl, env, tl, tl) +DEF_HELPER_3(khmtt, tl, env, tl, tl) +DEF_HELPER_3(ukaddh, tl, env, tl, tl) +DEF_HELPER_3(uksubh, tl, env, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index d1668b34cb..f465851f03 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -964,3 +964,11 @@ smaldrs 1001101 ..... ..... 001 ..... 1110111 @r smalxds 1010101 ..... ..... 001 ..... 1110111 @r smslda 1010110 ..... ..... 001 ..... 1110111 @r smslxda 1011110 ..... ..... 001 ..... 1110111 @r + +kaddh 0000010 ..... ..... 001 ..... 1110111 @r +ksubh 0000011 ..... ..... 001 ..... 1110111 @r +khmbb 0000110 ..... ..... 001 ..... 1110111 @r +khmbt 0001110 ..... ..... 001 ..... 1110111 @r +khmtt 0010110 ..... ..... 001 ..... 1110111 @r +ukaddh 0001010 ..... ..... 001 ..... 1110111 @r +uksubh 0001011 ..... ..... 001 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index 7c91bdc888..48eb190bc6 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -669,3 +669,15 @@ GEN_RVP_R_D64_ACC_OOL(smaldrs); GEN_RVP_R_D64_ACC_OOL(smalxds); GEN_RVP_R_D64_ACC_OOL(smslda); GEN_RVP_R_D64_ACC_OOL(smslxda); + +/* + *** Non-SIMD Instructions + */ +/* Non-SIMD Q15 saturation ALU Instructions */ +GEN_RVP_R_OOL(kaddh); +GEN_RVP_R_OOL(ksubh); +GEN_RVP_R_OOL(khmbb); +GEN_RVP_R_OOL(khmbt); +GEN_RVP_R_OOL(khmtt); +GEN_RVP_R_OOL(ukaddh); +GEN_RVP_R_OOL(uksubh); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 3330a2ecec..171f88face 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -2526,3 +2526,81 @@ static inline void do_smslxda(CPURISCVState *env, void *vd, void *va, } RVPR64_ACC(smslxda, 2, 2); + +/* Q15 saturation instructions */ +static inline void do_kaddh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int32_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H4(i)] + b[H4(i)], 15); +} + +RVPR(kaddh, 2, 4); + +static inline void do_ksubh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int32_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H4(i)] - b[H4(i)], 15); +} + +RVPR(ksubh, 2, 4); + +static inline void do_khmbb(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i)] * b[H2(i)] >> 15, 15); +} + +RVPR(khmbb, 4, 2); + +static inline void do_khmbt(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i)] * b[H2(i + 1)] >> 15, 15); +} + +RVPR(khmbt, 4, 2); + +static inline void do_khmtt(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i + 1)] * b[H2(i + 1)] >> 15, 15); +} + +RVPR(khmtt, 4, 2); + +static inline void do_ukaddh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + uint32_t *a = va, *b = vb; + + *d = (int16_t)satu64(env, saddu32(env, 0, a[H4(i)], b[H4(i)]), 16); +} + +RVPR(ukaddh, 2, 4); + +static inline void do_uksubh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + uint32_t *a = va, *b = vb; + + *d = (int16_t)satu64(env, ssubu32(env, 0, a[H4(i)], b[H4(i)]), 16); +} + +RVPR(uksubh, 2, 4); -- 2.17.1
next prev parent reply other threads:[~2021-06-24 11:37 UTC|newest] Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-24 10:54 [PATCH v3 00/37] target/riscv: support packed extension v0.9.4 LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 01/37] target/riscv: implementation-defined constant parameters LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 02/37] target/riscv: Make the vector helper functions public LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 03/37] target/riscv: 16-bit Addition & Subtraction Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-07-01 2:02 ` Alistair Francis 2021-07-01 2:02 ` Alistair Francis 2021-06-24 10:54 ` [PATCH v3 04/37] target/riscv: 8-bit Addition & Subtraction Instruction LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 05/37] target/riscv: SIMD 16-bit Shift Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-07-01 2:08 ` Alistair Francis 2021-07-01 2:08 ` Alistair Francis 2021-06-24 10:54 ` [PATCH v3 06/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 07/37] target/riscv: SIMD 16-bit Compare Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 08/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 09/37] target/riscv: SIMD 16-bit Multiply Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 10/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 11/37] target/riscv: SIMD 16-bit Miscellaneous Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 12/37] target/riscv: SIMD 8-bit " LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 13/37] target/riscv: 8-bit Unpacking Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 14/37] target/riscv: 16-bit Packing Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:54 ` [PATCH v3 15/37] target/riscv: Signed MSW 32x32 Multiply and Add Instructions LIU Zhiwei 2021-06-24 10:54 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 16/37] target/riscv: Signed MSW 32x16 " LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 17/37] target/riscv: Signed 16-bit Multiply 32-bit Add/Subtract Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 18/37] target/riscv: Signed 16-bit Multiply 64-bit " LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 19/37] target/riscv: Partial-SIMD Miscellaneous Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 20/37] target/riscv: 8-bit Multiply with 32-bit Add Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 21/37] target/riscv: 64-bit Add/Subtract Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 22/37] target/riscv: 32-bit Multiply " LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 23/37] target/riscv: Signed 16-bit Multiply with " LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei [this message] 2021-06-24 10:55 ` [PATCH v3 24/37] target/riscv: Non-SIMD Q15 saturation ALU Instructions LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 25/37] target/riscv: Non-SIMD Q31 " LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 26/37] target/riscv: 32-bit Computation Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 27/37] target/riscv: Non-SIMD Miscellaneous Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 28/37] target/riscv: RV64 Only SIMD 32-bit Add/Subtract Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 29/37] target/riscv: RV64 Only SIMD 32-bit Shift Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 30/37] target/riscv: RV64 Only SIMD 32-bit Miscellaneous Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 31/37] target/riscv: RV64 Only SIMD Q15 saturating Multiply Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 32/37] target/riscv: RV64 Only 32-bit " LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 33/37] target/riscv: RV64 Only 32-bit Multiply & Add Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 34/37] target/riscv: RV64 Only 32-bit Parallel " LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 35/37] target/riscv: RV64 Only Non-SIMD 32-bit Shift Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 36/37] target/riscv: RV64 Only 32-bit Packing Instructions LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 10:55 ` [PATCH v3 37/37] target/riscv: configure and turn on packed extension from command line LIU Zhiwei 2021-06-24 10:55 ` LIU Zhiwei 2021-06-24 11:55 ` [PATCH v3 00/37] target/riscv: support packed extension v0.9.4 no-reply 2021-06-24 11:55 ` no-reply 2021-07-01 1:30 ` Alistair Francis 2021-07-01 1:30 ` Alistair Francis 2021-07-01 3:06 ` LIU Zhiwei 2021-07-01 3:06 ` LIU Zhiwei
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