diff mbox series

[09/38] target/riscv: SIMD 8-bit Compare Instructions

Message ID 20210212150256.885-10-zhiwei_liu@c-sky.com (mailing list archive)
State New, archived
Headers show
Series target/riscv: support packed extension v0.9.2 | expand

Commit Message

LIU Zhiwei Feb. 12, 2021, 3:02 p.m. UTC
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
---
 target/riscv/helper.h                   |  6 ++++
 target/riscv/insn32.decode              |  6 ++++
 target/riscv/insn_trans/trans_rvp.c.inc |  7 ++++
 target/riscv/packed_helper.c            | 46 +++++++++++++++++++++++++
 4 files changed, 65 insertions(+)

Comments

Alistair Francis March 15, 2021, 9:31 p.m. UTC | #1
On Fri, Feb 12, 2021 at 10:22 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                   |  6 ++++
>  target/riscv/insn32.decode              |  6 ++++
>  target/riscv/insn_trans/trans_rvp.c.inc |  7 ++++
>  target/riscv/packed_helper.c            | 46 +++++++++++++++++++++++++
>  4 files changed, 65 insertions(+)
>
> diff --git a/target/riscv/helper.h b/target/riscv/helper.h
> index f41f9acccc..4d9c36609c 100644
> --- a/target/riscv/helper.h
> +++ b/target/riscv/helper.h
> @@ -1208,3 +1208,9 @@ DEF_HELPER_3(scmplt16, tl, env, tl, tl)
>  DEF_HELPER_3(scmple16, tl, env, tl, tl)
>  DEF_HELPER_3(ucmplt16, tl, env, tl, tl)
>  DEF_HELPER_3(ucmple16, tl, env, tl, tl)
> +
> +DEF_HELPER_3(cmpeq8, tl, env, tl, tl)
> +DEF_HELPER_3(scmplt8, tl, env, tl, tl)
> +DEF_HELPER_3(scmple8, tl, env, tl, tl)
> +DEF_HELPER_3(ucmplt8, tl, env, tl, tl)
> +DEF_HELPER_3(ucmple8, tl, env, tl, tl)
> diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
> index f3cd508396..7519df7e20 100644
> --- a/target/riscv/insn32.decode
> +++ b/target/riscv/insn32.decode
> @@ -675,3 +675,9 @@ scmplt16   0000110  ..... ..... 000 ..... 1111111 @r
>  scmple16   0001110  ..... ..... 000 ..... 1111111 @r
>  ucmplt16   0010110  ..... ..... 000 ..... 1111111 @r
>  ucmple16   0011110  ..... ..... 000 ..... 1111111 @r
> +
> +cmpeq8     0100111  ..... ..... 000 ..... 1111111 @r
> +scmplt8    0000111  ..... ..... 000 ..... 1111111 @r
> +scmple8    0001111  ..... ..... 000 ..... 1111111 @r
> +ucmplt8    0010111  ..... ..... 000 ..... 1111111 @r
> +ucmple8    0011111  ..... ..... 000 ..... 1111111 @r
> diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc
> index 6438dfb776..6eb9e83c6f 100644
> --- a/target/riscv/insn_trans/trans_rvp.c.inc
> +++ b/target/riscv/insn_trans/trans_rvp.c.inc
> @@ -376,3 +376,10 @@ GEN_RVP_R_OOL(scmplt16);
>  GEN_RVP_R_OOL(scmple16);
>  GEN_RVP_R_OOL(ucmplt16);
>  GEN_RVP_R_OOL(ucmple16);
> +
> +/* SIMD 8-bit Compare Instructions */
> +GEN_RVP_R_OOL(cmpeq8);
> +GEN_RVP_R_OOL(scmplt8);
> +GEN_RVP_R_OOL(scmple8);
> +GEN_RVP_R_OOL(ucmplt8);
> +GEN_RVP_R_OOL(ucmple8);
> diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
> index 30b916b5ad..ff86e015e4 100644
> --- a/target/riscv/packed_helper.c
> +++ b/target/riscv/packed_helper.c
> @@ -677,3 +677,49 @@ static inline void do_ucmple16(CPURISCVState *env, void *vd, void *va,
>  }
>
>  RVPR(ucmple16, 1, 2);
> +
> +/* SIMD 8-bit Compare Instructions */
> +static inline void do_cmpeq8(CPURISCVState *env, void *vd, void *va,
> +                             void *vb, uint8_t i)
> +{
> +    uint8_t *d = vd, *a = va, *b = vb;
> +    d[i] = (a[i] == b[i]) ? 0xff : 0x0;
> +}
> +
> +RVPR(cmpeq8, 1, 1);
> +
> +static inline void do_scmplt8(CPURISCVState *env, void *vd, void *va,
> +                               void *vb, uint8_t i)
> +{
> +    int8_t *d = vd, *a = va, *b = vb;
> +    d[i] = (a[i] < b[i]) ? 0xff : 0x0;
> +}
> +
> +RVPR(scmplt8, 1, 1);
> +
> +static inline void do_scmple8(CPURISCVState *env, void *vd, void *va,
> +                               void *vb, uint8_t i)
> +{
> +    int8_t *d = vd, *a = va, *b = vb;
> +    d[i] = (a[i] <= b[i]) ? 0xff : 0x0;
> +}
> +
> +RVPR(scmple8, 1, 1);
> +
> +static inline void do_ucmplt8(CPURISCVState *env, void *vd, void *va,
> +                               void *vb, uint8_t i)
> +{
> +    uint8_t *d = vd, *a = va, *b = vb;
> +    d[i] = (a[i] < b[i]) ? 0xff : 0x0;
> +}
> +
> +RVPR(ucmplt8, 1, 1);
> +
> +static inline void do_ucmple8(CPURISCVState *env, void *vd, void *va,
> +                               void *vb, uint8_t i)
> +{
> +    uint8_t *d = vd, *a = va, *b = vb;
> +    d[i] = (a[i] <= b[i]) ? 0xff : 0x0;
> +}
> +
> +RVPR(ucmple8, 1, 1);
> --
> 2.17.1
>
diff mbox series

Patch

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index f41f9acccc..4d9c36609c 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1208,3 +1208,9 @@  DEF_HELPER_3(scmplt16, tl, env, tl, tl)
 DEF_HELPER_3(scmple16, tl, env, tl, tl)
 DEF_HELPER_3(ucmplt16, tl, env, tl, tl)
 DEF_HELPER_3(ucmple16, tl, env, tl, tl)
+
+DEF_HELPER_3(cmpeq8, tl, env, tl, tl)
+DEF_HELPER_3(scmplt8, tl, env, tl, tl)
+DEF_HELPER_3(scmple8, tl, env, tl, tl)
+DEF_HELPER_3(ucmplt8, tl, env, tl, tl)
+DEF_HELPER_3(ucmple8, tl, env, tl, tl)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index f3cd508396..7519df7e20 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -675,3 +675,9 @@  scmplt16   0000110  ..... ..... 000 ..... 1111111 @r
 scmple16   0001110  ..... ..... 000 ..... 1111111 @r
 ucmplt16   0010110  ..... ..... 000 ..... 1111111 @r
 ucmple16   0011110  ..... ..... 000 ..... 1111111 @r
+
+cmpeq8     0100111  ..... ..... 000 ..... 1111111 @r
+scmplt8    0000111  ..... ..... 000 ..... 1111111 @r
+scmple8    0001111  ..... ..... 000 ..... 1111111 @r
+ucmplt8    0010111  ..... ..... 000 ..... 1111111 @r
+ucmple8    0011111  ..... ..... 000 ..... 1111111 @r
diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc
index 6438dfb776..6eb9e83c6f 100644
--- a/target/riscv/insn_trans/trans_rvp.c.inc
+++ b/target/riscv/insn_trans/trans_rvp.c.inc
@@ -376,3 +376,10 @@  GEN_RVP_R_OOL(scmplt16);
 GEN_RVP_R_OOL(scmple16);
 GEN_RVP_R_OOL(ucmplt16);
 GEN_RVP_R_OOL(ucmple16);
+
+/* SIMD 8-bit Compare Instructions */
+GEN_RVP_R_OOL(cmpeq8);
+GEN_RVP_R_OOL(scmplt8);
+GEN_RVP_R_OOL(scmple8);
+GEN_RVP_R_OOL(ucmplt8);
+GEN_RVP_R_OOL(ucmple8);
diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
index 30b916b5ad..ff86e015e4 100644
--- a/target/riscv/packed_helper.c
+++ b/target/riscv/packed_helper.c
@@ -677,3 +677,49 @@  static inline void do_ucmple16(CPURISCVState *env, void *vd, void *va,
 }
 
 RVPR(ucmple16, 1, 2);
+
+/* SIMD 8-bit Compare Instructions */
+static inline void do_cmpeq8(CPURISCVState *env, void *vd, void *va,
+                             void *vb, uint8_t i)
+{
+    uint8_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] == b[i]) ? 0xff : 0x0;
+}
+
+RVPR(cmpeq8, 1, 1);
+
+static inline void do_scmplt8(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    int8_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] < b[i]) ? 0xff : 0x0;
+}
+
+RVPR(scmplt8, 1, 1);
+
+static inline void do_scmple8(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    int8_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] <= b[i]) ? 0xff : 0x0;
+}
+
+RVPR(scmple8, 1, 1);
+
+static inline void do_ucmplt8(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    uint8_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] < b[i]) ? 0xff : 0x0;
+}
+
+RVPR(ucmplt8, 1, 1);
+
+static inline void do_ucmple8(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    uint8_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] <= b[i]) ? 0xff : 0x0;
+}
+
+RVPR(ucmple8, 1, 1);