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Re: [PATCH 14/38] target/riscv: 8-bit Unpacking Instructions
From: |
Alistair Francis |
Subject: |
Re: [PATCH 14/38] target/riscv: 8-bit Unpacking Instructions |
Date: |
Tue, 16 Mar 2021 10:40:33 -0400 |
On Fri, Feb 12, 2021 at 10:32 AM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
>
> Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> target/riscv/helper.h | 11 +++
> target/riscv/insn32.decode | 11 +++
> target/riscv/insn_trans/trans_rvp.c.inc | 12 +++
> target/riscv/packed_helper.c | 121 ++++++++++++++++++++++++
> 4 files changed, 155 insertions(+)
>
> diff --git a/target/riscv/helper.h b/target/riscv/helper.h
> index 83778b532a..585905a689 100644
> --- a/target/riscv/helper.h
> +++ b/target/riscv/helper.h
> @@ -1252,3 +1252,14 @@ DEF_HELPER_2(clrs8, tl, env, tl)
> DEF_HELPER_2(clz8, tl, env, tl)
> DEF_HELPER_2(clo8, tl, env, tl)
> DEF_HELPER_2(swap8, tl, env, tl)
> +
> +DEF_HELPER_2(sunpkd810, tl, env, tl)
> +DEF_HELPER_2(sunpkd820, tl, env, tl)
> +DEF_HELPER_2(sunpkd830, tl, env, tl)
> +DEF_HELPER_2(sunpkd831, tl, env, tl)
> +DEF_HELPER_2(sunpkd832, tl, env, tl)
> +DEF_HELPER_2(zunpkd810, tl, env, tl)
> +DEF_HELPER_2(zunpkd820, tl, env, tl)
> +DEF_HELPER_2(zunpkd830, tl, env, tl)
> +DEF_HELPER_2(zunpkd831, tl, env, tl)
> +DEF_HELPER_2(zunpkd832, tl, env, tl)
> diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
> index e158066353..fa4a02c9db 100644
> --- a/target/riscv/insn32.decode
> +++ b/target/riscv/insn32.decode
> @@ -720,3 +720,14 @@ clrs8 1010111 00000 ..... 000 ..... 1111111 @r2
> clz8 1010111 00001 ..... 000 ..... 1111111 @r2
> clo8 1010111 00011 ..... 000 ..... 1111111 @r2
> swap8 1010110 11000 ..... 000 ..... 1111111 @r2
> +
> +sunpkd810 1010110 01000 ..... 000 ..... 1111111 @r2
> +sunpkd820 1010110 01001 ..... 000 ..... 1111111 @r2
> +sunpkd830 1010110 01010 ..... 000 ..... 1111111 @r2
> +sunpkd831 1010110 01011 ..... 000 ..... 1111111 @r2
> +sunpkd832 1010110 10011 ..... 000 ..... 1111111 @r2
> +zunpkd810 1010110 01100 ..... 000 ..... 1111111 @r2
> +zunpkd820 1010110 01101 ..... 000 ..... 1111111 @r2
> +zunpkd830 1010110 01110 ..... 000 ..... 1111111 @r2
> +zunpkd831 1010110 01111 ..... 000 ..... 1111111 @r2
> +zunpkd832 1010110 10111 ..... 000 ..... 1111111 @r2
> diff --git a/target/riscv/insn_trans/trans_rvp.c.inc
> b/target/riscv/insn_trans/trans_rvp.c.inc
> index 5ad057d7ac..b69e964cb4 100644
> --- a/target/riscv/insn_trans/trans_rvp.c.inc
> +++ b/target/riscv/insn_trans/trans_rvp.c.inc
> @@ -499,3 +499,15 @@ GEN_RVP_R2_OOL(clrs8);
> GEN_RVP_R2_OOL(clz8);
> GEN_RVP_R2_OOL(clo8);
> GEN_RVP_R2_OOL(swap8);
> +
> +/* 8-bit Unpacking Instructions */
> +GEN_RVP_R2_OOL(sunpkd810);
> +GEN_RVP_R2_OOL(sunpkd820);
> +GEN_RVP_R2_OOL(sunpkd830);
> +GEN_RVP_R2_OOL(sunpkd831);
> +GEN_RVP_R2_OOL(sunpkd832);
> +GEN_RVP_R2_OOL(zunpkd810);
> +GEN_RVP_R2_OOL(zunpkd820);
> +GEN_RVP_R2_OOL(zunpkd830);
> +GEN_RVP_R2_OOL(zunpkd831);
> +GEN_RVP_R2_OOL(zunpkd832);
> diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
> index be91d308e5..d0dcb692f5 100644
> --- a/target/riscv/packed_helper.c
> +++ b/target/riscv/packed_helper.c
> @@ -1202,3 +1202,124 @@ static inline void do_swap8(CPURISCVState *env, void
> *vd, void *va, uint8_t i)
> }
>
> RVPR2(swap8, 2, 1);
> +
> +/* 8-bit Unpacking Instructions */
> +static inline void
> +do_sunpkd810(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + int8_t *a = va;
> + int16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i)];
> + d[H2(i / 2 + 1)] = a[H1(i + 1)];
> +}
> +
> +RVPR2(sunpkd810, 4, 1);
> +
> +static inline void
> +do_sunpkd820(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + int8_t *a = va;
> + int16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i)];
> + d[H2(i / 2 + 1)] = a[H1(i + 2)];
> +}
> +
> +RVPR2(sunpkd820, 4, 1);
> +
> +static inline void
> +do_sunpkd830(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + int8_t *a = va;
> + int16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i)];
> + d[H2(i / 2 + 1)] = a[H1(i + 3)];
> +}
> +
> +RVPR2(sunpkd830, 4, 1);
> +
> +static inline void
> +do_sunpkd831(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + int8_t *a = va;
> + int16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i) + 1];
> + d[H2(i / 2 + 1)] = a[H1(i + 3)];
> +}
> +
> +RVPR2(sunpkd831, 4, 1);
> +
> +static inline void
> +do_sunpkd832(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + int8_t *a = va;
> + int16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i) + 2];
> + d[H2(i / 2 + 1)] = a[H1(i + 3)];
> +}
> +
> +RVPR2(sunpkd832, 4, 1);
> +
> +static inline void
> +do_zunpkd810(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + uint8_t *a = va;
> + uint16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i)];
> + d[H2(i / 2 + 1)] = a[H1(i + 1)];
> +}
> +
> +RVPR2(zunpkd810, 4, 1);
> +
> +static inline void
> +do_zunpkd820(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + uint8_t *a = va;
> + uint16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i)];
> + d[H2(i / 2 + 1)] = a[H1(i + 2)];
> +}
> +
> +RVPR2(zunpkd820, 4, 1);
> +
> +static inline void
> +do_zunpkd830(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + uint8_t *a = va;
> + uint16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i)];
> + d[H2(i / 2 + 1)] = a[H1(i + 3)];
> +}
> +
> +RVPR2(zunpkd830, 4, 1);
> +
> +static inline void
> +do_zunpkd831(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + uint8_t *a = va;
> + uint16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i) + 1];
> + d[H2(i / 2 + 1)] = a[H1(i + 3)];
> +}
> +
> +RVPR2(zunpkd831, 4, 1);
> +
> +static inline void
> +do_zunpkd832(CPURISCVState *env, void *vd, void *va, uint8_t i)
> +{
> + uint8_t *a = va;
> + uint16_t *d = vd;
> +
> + d[H2(i / 2)] = a[H1(i) + 2];
> + d[H2(i / 2 + 1)] = a[H1(i + 3)];
> +}
> +
> +RVPR2(zunpkd832, 4, 1);
> --
> 2.17.1
>
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Alistair Francis <=