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From: LIU Zhiwei <zhiwei_liu@c-sky.com>
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: palmer@dabbelt.com, richard.henderson@linaro.org,
	bin.meng@windriver.com,
	Alistair Francis <alistair.francis@wdc.com>,
	LIU Zhiwei <zhiwei_liu@c-sky.com>
Subject: [PATCH v2 13/37] target/riscv: 8-bit Unpacking Instructions
Date: Thu, 10 Jun 2021 15:58:44 +0800	[thread overview]
Message-ID: <20210610075908.3305506-14-zhiwei_liu@c-sky.com> (raw)
In-Reply-To: <20210610075908.3305506-1-zhiwei_liu@c-sky.com>

Sign-extend or zero-extend selected 8-bit elements to
16-bit elements.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
---
 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 240df8b766..9fd2a70f7d 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1255,3 +1255,14 @@ 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 4c34f0f4f4..9b8ea0f9ab 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -858,3 +858,14 @@ clrs8      1010111  00000 ..... 000 ..... 1110111 @r2
 clz8       1010111  00001 ..... 000 ..... 1110111 @r2
 clo8       1010111  00011 ..... 000 ..... 1110111 @r2
 swap8      1010110  11000 ..... 000 ..... 1110111 @r2
+
+sunpkd810  1010110  01000 ..... 000 ..... 1110111 @r2
+sunpkd820  1010110  01001 ..... 000 ..... 1110111 @r2
+sunpkd830  1010110  01010 ..... 000 ..... 1110111 @r2
+sunpkd831  1010110  01011 ..... 000 ..... 1110111 @r2
+sunpkd832  1010110  10011 ..... 000 ..... 1110111 @r2
+zunpkd810  1010110  01100 ..... 000 ..... 1110111 @r2
+zunpkd820  1010110  01101 ..... 000 ..... 1110111 @r2
+zunpkd830  1010110  01110 ..... 000 ..... 1110111 @r2
+zunpkd831  1010110  01111 ..... 000 ..... 1110111 @r2
+zunpkd832  1010110  10111 ..... 000 ..... 1110111 @r2
diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc
index c5ec530fd7..5af2c7c2cc 100644
--- a/target/riscv/insn_trans/trans_rvp.c.inc
+++ b/target/riscv/insn_trans/trans_rvp.c.inc
@@ -348,3 +348,15 @@ 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 3d3d2bf3e4..8226dbd079 100644
--- a/target/riscv/packed_helper.c
+++ b/target/riscv/packed_helper.c
@@ -1193,3 +1193,124 @@ 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);
-- 
2.25.1



  parent reply	other threads:[~2021-06-10  8:11 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-10  7:58 [PATCH v2 00/37] target/riscv: support packed extension v0.9.4 LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 01/37] target/riscv: implementation-defined constant parameters LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 02/37] target/riscv: Make the vector helper functions public LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 03/37] target/riscv: 16-bit Addition & Subtraction Instructions LIU Zhiwei
2021-06-10 18:00   ` Richard Henderson
2021-06-10  7:58 ` [PATCH v2 04/37] target/riscv: 8-bit Addition & Subtraction Instruction LIU Zhiwei
2021-06-10 19:39   ` Richard Henderson
2021-06-11  4:36     ` LIU Zhiwei
2021-06-24  6:05     ` LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 05/37] target/riscv: SIMD 16-bit Shift Instructions LIU Zhiwei
2021-06-10 19:44   ` Richard Henderson
2021-06-10  7:58 ` [PATCH v2 06/37] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 07/37] target/riscv: SIMD 16-bit Compare Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 08/37] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 09/37] target/riscv: SIMD 16-bit Multiply Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 10/37] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 11/37] target/riscv: SIMD 16-bit Miscellaneous Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 12/37] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-06-10  7:58 ` LIU Zhiwei [this message]
2021-06-10  7:58 ` [PATCH v2 14/37] target/riscv: 16-bit Packing Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 15/37] target/riscv: Signed MSW 32x32 Multiply and Add Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 16/37] target/riscv: Signed MSW 32x16 " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 17/37] target/riscv: Signed 16-bit Multiply 32-bit Add/Subtract Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 18/37] target/riscv: Signed 16-bit Multiply 64-bit " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 19/37] target/riscv: Partial-SIMD Miscellaneous Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 20/37] target/riscv: 8-bit Multiply with 32-bit Add Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 21/37] target/riscv: 64-bit Add/Subtract Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 22/37] target/riscv: 32-bit Multiply " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 23/37] target/riscv: Signed 16-bit Multiply with " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 24/37] target/riscv: Non-SIMD Q15 saturation ALU Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 25/37] target/riscv: Non-SIMD Q31 " LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 26/37] target/riscv: 32-bit Computation Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 27/37] target/riscv: Non-SIMD Miscellaneous Instructions LIU Zhiwei
2021-06-10  7:58 ` [PATCH v2 28/37] target/riscv: RV64 Only SIMD 32-bit Add/Subtract Instructions LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 29/37] target/riscv: RV64 Only SIMD 32-bit Shift Instructions LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 30/37] target/riscv: RV64 Only SIMD 32-bit Miscellaneous Instructions LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 31/37] target/riscv: RV64 Only SIMD Q15 saturating Multiply Instructions LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 32/37] target/riscv: RV64 Only 32-bit " LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 33/37] target/riscv: RV64 Only 32-bit Multiply & Add Instructions LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 34/37] target/riscv: RV64 Only 32-bit Parallel " LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 35/37] target/riscv: RV64 Only Non-SIMD 32-bit Shift Instructions LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 36/37] target/riscv: RV64 Only 32-bit Packing Instructions LIU Zhiwei
2021-06-10  7:59 ` [PATCH v2 37/37] target/riscv: configure and turn on packed extension from command line LIU Zhiwei
2021-06-14 22:55 ` [PATCH v2 00/37] target/riscv: support packed extension v0.9.4 no-reply

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