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From: LIU Zhiwei <zhiwei_liu@c-sky.com>
To: richard.henderson@linaro.org, alistair23@gmail.com,
	chihmin.chao@sifive.com, palmer@dabbelt.com
Cc: guoren@linux.alibaba.com, qemu-riscv@nongnu.org,
	qemu-devel@nongnu.org, wxy194768@alibaba-inc.com,
	wenmeng_zhang@c-sky.com, LIU Zhiwei <zhiwei_liu@c-sky.com>
Subject: [PATCH v3 17/60] target/riscv: vector single-width integer multiply instructions
Date: Mon,  9 Mar 2020 20:14:14 +0800	[thread overview]
Message-ID: <20200309121457.13719-18-zhiwei_liu@c-sky.com> (raw)
In-Reply-To: <20200309121457.13719-1-zhiwei_liu@c-sky.com>

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
---
 target/riscv/helper.h                   |  33 ++++++
 target/riscv/insn32.decode              |   8 ++
 target/riscv/insn_trans/trans_rvv.inc.c |  10 ++
 target/riscv/vector_helper.c            | 147 ++++++++++++++++++++++++
 4 files changed, 198 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index c7d4ff185a..f42a12eef3 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -525,3 +525,36 @@ DEF_HELPER_6(vmax_vx_b, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmax_vx_h, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmax_vx_w, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmax_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+
+DEF_HELPER_6(vmul_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmul_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmul_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmul_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulh_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulh_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulh_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulh_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmul_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmul_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmul_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmul_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulh_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulh_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulh_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulh_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmulhsu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index a7619f4e3d..a8ac4e9e9d 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -362,6 +362,14 @@ vmaxu_vv        000110 . ..... ..... 000 ..... 1010111 @r_vm
 vmaxu_vx        000110 . ..... ..... 100 ..... 1010111 @r_vm
 vmax_vv         000111 . ..... ..... 000 ..... 1010111 @r_vm
 vmax_vx         000111 . ..... ..... 100 ..... 1010111 @r_vm
+vmul_vv         100101 . ..... ..... 010 ..... 1010111 @r_vm
+vmul_vx         100101 . ..... ..... 110 ..... 1010111 @r_vm
+vmulh_vv        100111 . ..... ..... 010 ..... 1010111 @r_vm
+vmulh_vx        100111 . ..... ..... 110 ..... 1010111 @r_vm
+vmulhu_vv       100100 . ..... ..... 010 ..... 1010111 @r_vm
+vmulhu_vx       100100 . ..... ..... 110 ..... 1010111 @r_vm
+vmulhsu_vv      100110 . ..... ..... 010 ..... 1010111 @r_vm
+vmulhsu_vx      100110 . ..... ..... 110 ..... 1010111 @r_vm
 
 vsetvli         0 ........... ..... 111 ..... 1010111  @r2_zimm
 vsetvl          1000000 ..... ..... 111 ..... 1010111  @r
diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c
index 4437a77878..a1ecc9f52d 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1434,3 +1434,13 @@ GEN_OPIVX_TRANS(vminu_vx, opivx_check)
 GEN_OPIVX_TRANS(vmin_vx,  opivx_check)
 GEN_OPIVX_TRANS(vmaxu_vx, opivx_check)
 GEN_OPIVX_TRANS(vmax_vx,  opivx_check)
+
+/* Vector Single-Width Integer Multiply Instructions */
+GEN_OPIVV_GVEC_TRANS(vmul_vv,  mul)
+GEN_OPIVV_TRANS(vmulh_vv, opivv_check)
+GEN_OPIVV_TRANS(vmulhu_vv, opivv_check)
+GEN_OPIVV_TRANS(vmulhsu_vv, opivv_check)
+GEN_OPIVX_GVEC_TRANS(vmul_vx,  muls)
+GEN_OPIVX_TRANS(vmulh_vx, opivx_check)
+GEN_OPIVX_TRANS(vmulhu_vx, opivx_check)
+GEN_OPIVX_TRANS(vmulhsu_vx, opivx_check)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 03e001262f..93daafd5bd 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -853,6 +853,10 @@ GEN_VEXT_AMO(vamomaxuw_v_w, uint32_t, uint32_t, idx_w, clearl)
 #define OP_UUU_H uint16_t, uint16_t, uint16_t, uint16_t, uint16_t
 #define OP_UUU_W uint32_t, uint32_t, uint32_t, uint32_t, uint32_t
 #define OP_UUU_D uint64_t, uint64_t, uint64_t, uint64_t, uint64_t
+#define OP_SUS_B int8_t, uint8_t, int8_t, uint8_t, int8_t
+#define OP_SUS_H int16_t, uint16_t, int16_t, uint16_t, int16_t
+#define OP_SUS_W int32_t, uint32_t, int32_t, uint32_t, int32_t
+#define OP_SUS_D int64_t, uint64_t, int64_t, uint64_t, int64_t
 
 /* operation of two vector elements */
 #define OPIVV2(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP)    \
@@ -1550,3 +1554,146 @@ GEN_VEXT_VX(vmax_vx_b, 1, 1, clearb)
 GEN_VEXT_VX(vmax_vx_h, 2, 2, clearh)
 GEN_VEXT_VX(vmax_vx_w, 4, 4, clearl)
 GEN_VEXT_VX(vmax_vx_d, 8, 8, clearq)
+
+/* Vector Single-Width Integer Multiply Instructions */
+#define DO_MUL(N, M) (N * M)
+RVVCALL(OPIVV2, vmul_vv_b, OP_SSS_B, H1, H1, H1, DO_MUL)
+RVVCALL(OPIVV2, vmul_vv_h, OP_SSS_H, H2, H2, H2, DO_MUL)
+RVVCALL(OPIVV2, vmul_vv_w, OP_SSS_W, H4, H4, H4, DO_MUL)
+RVVCALL(OPIVV2, vmul_vv_d, OP_SSS_D, H8, H8, H8, DO_MUL)
+GEN_VEXT_VV(vmul_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vmul_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vmul_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vmul_vv_d, 8, 8, clearq)
+
+static int8_t do_mulh_b(int8_t s2, int8_t s1)
+{
+    return (int16_t)s2 * (int16_t)s1 >> 8;
+}
+static int16_t do_mulh_h(int16_t s2, int16_t s1)
+{
+    return (int32_t)s2 * (int32_t)s1 >> 16;
+}
+static int32_t do_mulh_w(int32_t s2, int32_t s1)
+{
+    return (int64_t)s2 * (int64_t)s1 >> 32;
+}
+static int64_t do_mulh_d(int64_t s2, int64_t s1)
+{
+    uint64_t hi_64, lo_64;
+
+    muls64(&lo_64, &hi_64, s1, s2);
+    return hi_64;
+}
+
+static uint8_t do_mulhu_b(uint8_t s2, uint8_t s1)
+{
+    return (uint16_t)s2 * (uint16_t)s1 >> 8;
+}
+static uint16_t do_mulhu_h(uint16_t s2, uint16_t s1)
+{
+    return (uint32_t)s2 * (uint32_t)s1 >> 16;
+}
+static uint32_t do_mulhu_w(uint32_t s2, uint32_t s1)
+{
+    return (uint64_t)s2 * (uint64_t)s1 >> 32;
+}
+static uint64_t do_mulhu_d(uint64_t s2, uint64_t s1)
+{
+    uint64_t hi_64, lo_64;
+
+    mulu64(&lo_64, &hi_64, s2, s1);
+    return hi_64;
+}
+
+static int8_t do_mulhsu_b(int8_t s2, uint8_t s1)
+{
+    return (int16_t)s2 * (uint16_t)s1 >> 8;
+}
+static int16_t do_mulhsu_h(int16_t s2, uint16_t s1)
+{
+    return (int32_t)s2 * (uint32_t)s1 >> 16;
+}
+static int32_t do_mulhsu_w(int32_t s2, uint32_t s1)
+{
+    return (int64_t)s2 * (uint64_t)s1 >> 32;
+}
+static int64_t do_mulhsu_d(int64_t s2, uint64_t s1)
+{
+    uint64_t hi_64, lo_64, abs_s2 = s2;
+
+    if (s2 < 0) {
+        abs_s2 = -s2;
+    }
+    mulu64(&lo_64, &hi_64, abs_s2, s1);
+    if ((int64_t)(s2 ^ s1) < 0) {
+        lo_64 = ~lo_64;
+        hi_64 = ~hi_64;
+        if (lo_64 == UINT64_MAX) {
+            lo_64 = 0;
+            hi_64 += 1;
+        } else {
+            lo_64 += 1;
+        }
+    }
+
+    return hi_64;
+}
+
+RVVCALL(OPIVV2, vmulh_vv_b, OP_SSS_B, H1, H1, H1, do_mulh_b)
+RVVCALL(OPIVV2, vmulh_vv_h, OP_SSS_H, H2, H2, H2, do_mulh_h)
+RVVCALL(OPIVV2, vmulh_vv_w, OP_SSS_W, H4, H4, H4, do_mulh_w)
+RVVCALL(OPIVV2, vmulh_vv_d, OP_SSS_D, H8, H8, H8, do_mulh_d)
+RVVCALL(OPIVV2, vmulhu_vv_b, OP_UUU_B, H1, H1, H1, do_mulhu_b)
+RVVCALL(OPIVV2, vmulhu_vv_h, OP_UUU_H, H2, H2, H2, do_mulhu_h)
+RVVCALL(OPIVV2, vmulhu_vv_w, OP_UUU_W, H4, H4, H4, do_mulhu_w)
+RVVCALL(OPIVV2, vmulhu_vv_d, OP_UUU_D, H8, H8, H8, do_mulhu_d)
+RVVCALL(OPIVV2, vmulhsu_vv_b, OP_SUS_B, H1, H1, H1, do_mulhsu_b)
+RVVCALL(OPIVV2, vmulhsu_vv_h, OP_SUS_H, H2, H2, H2, do_mulhsu_h)
+RVVCALL(OPIVV2, vmulhsu_vv_w, OP_SUS_W, H4, H4, H4, do_mulhsu_w)
+RVVCALL(OPIVV2, vmulhsu_vv_d, OP_SUS_D, H8, H8, H8, do_mulhsu_d)
+GEN_VEXT_VV(vmulh_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vmulh_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vmulh_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vmulh_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vmulhu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vmulhu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vmulhu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vmulhu_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vmulhsu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vmulhsu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vmulhsu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vmulhsu_vv_d, 8, 8, clearq)
+
+RVVCALL(OPIVX2, vmul_vx_b, OP_SSS_B, H1, H1, DO_MUL)
+RVVCALL(OPIVX2, vmul_vx_h, OP_SSS_H, H2, H2, DO_MUL)
+RVVCALL(OPIVX2, vmul_vx_w, OP_SSS_W, H4, H4, DO_MUL)
+RVVCALL(OPIVX2, vmul_vx_d, OP_SSS_D, H8, H8, DO_MUL)
+RVVCALL(OPIVX2, vmulh_vx_b, OP_SSS_B, H1, H1, do_mulh_b)
+RVVCALL(OPIVX2, vmulh_vx_h, OP_SSS_H, H2, H2, do_mulh_h)
+RVVCALL(OPIVX2, vmulh_vx_w, OP_SSS_W, H4, H4, do_mulh_w)
+RVVCALL(OPIVX2, vmulh_vx_d, OP_SSS_D, H8, H8, do_mulh_d)
+RVVCALL(OPIVX2, vmulhu_vx_b, OP_UUU_B, H1, H1, do_mulhu_b)
+RVVCALL(OPIVX2, vmulhu_vx_h, OP_UUU_H, H2, H2, do_mulhu_h)
+RVVCALL(OPIVX2, vmulhu_vx_w, OP_UUU_W, H4, H4, do_mulhu_w)
+RVVCALL(OPIVX2, vmulhu_vx_d, OP_UUU_D, H8, H8, do_mulhu_d)
+RVVCALL(OPIVX2, vmulhsu_vx_b, OP_SUS_B, H1, H1, do_mulhsu_b)
+RVVCALL(OPIVX2, vmulhsu_vx_h, OP_SUS_H, H2, H2, do_mulhsu_h)
+RVVCALL(OPIVX2, vmulhsu_vx_w, OP_SUS_W, H4, H4, do_mulhsu_w)
+RVVCALL(OPIVX2, vmulhsu_vx_d, OP_SUS_D, H8, H8, do_mulhsu_d)
+GEN_VEXT_VX(vmul_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vmul_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vmul_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vmul_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vmulh_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vmulh_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vmulh_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vmulh_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vmulhu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vmulhu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vmulhu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vmulhu_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vmulhsu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vmulhsu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vmulhsu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vmulhsu_vx_d, 8, 8, clearq)
-- 
2.23.0



  parent reply	other threads:[~2020-03-09 12:37 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-09 12:13 [PATCH v3 00/60] target/riscv: support vector extension v0.7.1 LIU Zhiwei
2020-03-09 12:13 ` [PATCH v3 01/60] target/riscv: add vector extension field in CPURISCVState LIU Zhiwei
2020-03-09 12:13 ` [PATCH v3 02/60] target/riscv: implementation-defined constant parameters LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 03/60] target/riscv: support vector extension csr LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 04/60] target/riscv: add vector configure instruction LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 05/60] target/riscv: add vector stride load and store instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 06/60] target/riscv: add vector index " LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 07/60] target/riscv: add fault-only-first unit stride load LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 08/60] target/riscv: add vector amo operations LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 09/60] target/riscv: vector single-width integer add and subtract LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 10/60] target/riscv: vector widening " LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 12/60] target/riscv: vector bitwise logical instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 14/60] target/riscv: vector narrowing integer right shift instructions LIU Zhiwei
2020-03-09 12:14 ` LIU Zhiwei [this message]
2020-03-09 12:14 ` [PATCH v3 18/60] target/riscv: vector integer divide instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 19/60] target/riscv: vector widening integer multiply instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 20/60] target/riscv: vector single-width integer multiply-add instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 21/60] target/riscv: vector widening " LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 22/60] target/riscv: vector integer merge and move instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 23/60] target/riscv: vector single-width saturating add and subtract LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 24/60] target/riscv: vector single-width averaging " LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 25/60] target/riscv: vector single-width fractional multiply with rounding and saturation LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 26/60] target/riscv: vector widening saturating scaled multiply-add LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 27/60] target/riscv: vector single-width scaling shift instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 28/60] target/riscv: vector narrowing fixed-point clip instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 29/60] target/riscv: vector single-width floating-point add/subtract instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 30/60] target/riscv: vector widening " LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 31/60] target/riscv: vector single-width floating-point multiply/divide instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 32/60] target/riscv: vector widening floating-point multiply LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 33/60] target/riscv: vector single-width floating-point fused multiply-add instructions LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 35/60] target/riscv: vector floating-point square-root instruction LIU Zhiwei
2020-03-09 12:14 ` [PATCH v3 37/60] target/riscv: vector floating-point sign-injection instructions LIU Zhiwei
  -- strict thread matches above, loose matches on Subject: below --
2020-03-09  8:19 [PATCH v3 00/60] target/riscv: support vector extension v0.7.1 LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 17/60] target/riscv: vector single-width integer multiply instructions LIU Zhiwei

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