[PULL 19/63] target/riscv: vector integer min/max instructions

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[PULL 19/63] target/riscv: vector integer min/max instructions

From:	Alistair Francis
Subject:	[PULL 19/63] target/riscv: vector integer min/max instructions
Date:	Fri, 26 Jun 2020 14:43:26 -0700

From: LIU Zhiwei <zhiwei_liu@c-sky.com>

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200623215920.2594-18-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.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            | 71 +++++++++++++++++++++++++
 4 files changed, 122 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 2bcb6c7889..9c576e1220 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -502,3 +502,36 @@ DEF_HELPER_6(vmsgt_vx_b, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmsgt_vx_h, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmsgt_vx_w, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmsgt_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+
+DEF_HELPER_6(vminu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vminu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vminu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vminu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmin_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmin_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmin_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmin_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmax_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmax_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmax_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vmax_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vminu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vminu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vminu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vminu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmin_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmin_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmin_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmin_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vmaxu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+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)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 5d022ff414..3d8986c74d 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -357,6 +357,14 @@ vmsgtu_vx       011110 . ..... ..... 100 ..... 1010111 
@r_vm
 vmsgtu_vi       011110 . ..... ..... 011 ..... 1010111 @r_vm
 vmsgt_vx        011111 . ..... ..... 100 ..... 1010111 @r_vm
 vmsgt_vi        011111 . ..... ..... 011 ..... 1010111 @r_vm
+vminu_vv        000100 . ..... ..... 000 ..... 1010111 @r_vm
+vminu_vx        000100 . ..... ..... 100 ..... 1010111 @r_vm
+vmin_vv         000101 . ..... ..... 000 ..... 1010111 @r_vm
+vmin_vx         000101 . ..... ..... 100 ..... 1010111 @r_vm
+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
 
 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 7d7e3d4cd8..861fd3bf1a 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1561,3 +1561,13 @@ GEN_OPIVI_TRANS(vmsleu_vi, 1, vmsleu_vx, opivx_cmp_check)
 GEN_OPIVI_TRANS(vmsle_vi, 0, vmsle_vx, opivx_cmp_check)
 GEN_OPIVI_TRANS(vmsgtu_vi, 1, vmsgtu_vx, opivx_cmp_check)
 GEN_OPIVI_TRANS(vmsgt_vi, 0, vmsgt_vx, opivx_cmp_check)
+
+/* Vector Integer Min/Max Instructions */
+GEN_OPIVV_GVEC_TRANS(vminu_vv, umin)
+GEN_OPIVV_GVEC_TRANS(vmin_vv,  smin)
+GEN_OPIVV_GVEC_TRANS(vmaxu_vv, umax)
+GEN_OPIVV_GVEC_TRANS(vmax_vv,  smax)
+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)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 07e474781c..cb41daa3ac 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -855,6 +855,10 @@ GEN_VEXT_AMO(vamomaxuw_v_w, uint32_t, uint32_t, idx_w, 
clearl)
 #define OP_SSS_H int16_t, int16_t, int16_t, int16_t, int16_t
 #define OP_SSS_W int32_t, int32_t, int32_t, int32_t, int32_t
 #define OP_SSS_D int64_t, int64_t, int64_t, int64_t, int64_t
+#define OP_UUU_B uint8_t, uint8_t, uint8_t, uint8_t, uint8_t
+#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
 
 /* operation of two vector elements */
 typedef void opivv2_fn(void *vd, void *vs1, void *vs2, int i);
@@ -1532,3 +1536,70 @@ GEN_VEXT_CMP_VX(vmsgt_vx_b, int8_t,  H1, DO_MSGT)
 GEN_VEXT_CMP_VX(vmsgt_vx_h, int16_t, H2, DO_MSGT)
 GEN_VEXT_CMP_VX(vmsgt_vx_w, int32_t, H4, DO_MSGT)
 GEN_VEXT_CMP_VX(vmsgt_vx_d, int64_t, H8, DO_MSGT)
+
+/* Vector Integer Min/Max Instructions */
+RVVCALL(OPIVV2, vminu_vv_b, OP_UUU_B, H1, H1, H1, DO_MIN)
+RVVCALL(OPIVV2, vminu_vv_h, OP_UUU_H, H2, H2, H2, DO_MIN)
+RVVCALL(OPIVV2, vminu_vv_w, OP_UUU_W, H4, H4, H4, DO_MIN)
+RVVCALL(OPIVV2, vminu_vv_d, OP_UUU_D, H8, H8, H8, DO_MIN)
+RVVCALL(OPIVV2, vmin_vv_b, OP_SSS_B, H1, H1, H1, DO_MIN)
+RVVCALL(OPIVV2, vmin_vv_h, OP_SSS_H, H2, H2, H2, DO_MIN)
+RVVCALL(OPIVV2, vmin_vv_w, OP_SSS_W, H4, H4, H4, DO_MIN)
+RVVCALL(OPIVV2, vmin_vv_d, OP_SSS_D, H8, H8, H8, DO_MIN)
+RVVCALL(OPIVV2, vmaxu_vv_b, OP_UUU_B, H1, H1, H1, DO_MAX)
+RVVCALL(OPIVV2, vmaxu_vv_h, OP_UUU_H, H2, H2, H2, DO_MAX)
+RVVCALL(OPIVV2, vmaxu_vv_w, OP_UUU_W, H4, H4, H4, DO_MAX)
+RVVCALL(OPIVV2, vmaxu_vv_d, OP_UUU_D, H8, H8, H8, DO_MAX)
+RVVCALL(OPIVV2, vmax_vv_b, OP_SSS_B, H1, H1, H1, DO_MAX)
+RVVCALL(OPIVV2, vmax_vv_h, OP_SSS_H, H2, H2, H2, DO_MAX)
+RVVCALL(OPIVV2, vmax_vv_w, OP_SSS_W, H4, H4, H4, DO_MAX)
+RVVCALL(OPIVV2, vmax_vv_d, OP_SSS_D, H8, H8, H8, DO_MAX)
+GEN_VEXT_VV(vminu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vminu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vminu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vminu_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vmin_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vmin_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vmin_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vmin_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vmaxu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vmaxu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vmaxu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vmaxu_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vmax_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vmax_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vmax_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vmax_vv_d, 8, 8, clearq)
+
+RVVCALL(OPIVX2, vminu_vx_b, OP_UUU_B, H1, H1, DO_MIN)
+RVVCALL(OPIVX2, vminu_vx_h, OP_UUU_H, H2, H2, DO_MIN)
+RVVCALL(OPIVX2, vminu_vx_w, OP_UUU_W, H4, H4, DO_MIN)
+RVVCALL(OPIVX2, vminu_vx_d, OP_UUU_D, H8, H8, DO_MIN)
+RVVCALL(OPIVX2, vmin_vx_b, OP_SSS_B, H1, H1, DO_MIN)
+RVVCALL(OPIVX2, vmin_vx_h, OP_SSS_H, H2, H2, DO_MIN)
+RVVCALL(OPIVX2, vmin_vx_w, OP_SSS_W, H4, H4, DO_MIN)
+RVVCALL(OPIVX2, vmin_vx_d, OP_SSS_D, H8, H8, DO_MIN)
+RVVCALL(OPIVX2, vmaxu_vx_b, OP_UUU_B, H1, H1, DO_MAX)
+RVVCALL(OPIVX2, vmaxu_vx_h, OP_UUU_H, H2, H2, DO_MAX)
+RVVCALL(OPIVX2, vmaxu_vx_w, OP_UUU_W, H4, H4, DO_MAX)
+RVVCALL(OPIVX2, vmaxu_vx_d, OP_UUU_D, H8, H8, DO_MAX)
+RVVCALL(OPIVX2, vmax_vx_b, OP_SSS_B, H1, H1, DO_MAX)
+RVVCALL(OPIVX2, vmax_vx_h, OP_SSS_H, H2, H2, DO_MAX)
+RVVCALL(OPIVX2, vmax_vx_w, OP_SSS_W, H4, H4, DO_MAX)
+RVVCALL(OPIVX2, vmax_vx_d, OP_SSS_D, H8, H8, DO_MAX)
+GEN_VEXT_VX(vminu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vminu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vminu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vminu_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vmin_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vmin_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vmin_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vmin_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vmaxu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vmaxu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vmaxu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vmaxu_vx_d, 8, 8,  clearq)
+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)
-- 
2.27.0

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[PULL 13/63] target/riscv: vector widening integer add and subtract, (continued)
- [PULL 13/63] target/riscv: vector widening integer add and subtract, Alistair Francis, 2020/06/26
- [PULL 01/63] riscv: plic: Honour source priorities, Alistair Francis, 2020/06/26
- [PULL 02/63] riscv: plic: Add a couple of mising sifive_plic_update calls, Alistair Francis, 2020/06/26
  - Re: [PULL 02/63] riscv: plic: Add a couple of mising sifive_plic_update calls, Jessica Clarke, 2020/06/26
- [PULL 04/63] target/riscv: implementation-defined constant parameters, Alistair Francis, 2020/06/26
- [PULL 15/63] target/riscv: vector bitwise logical instructions, Alistair Francis, 2020/06/26
- [PULL 05/63] target/riscv: support vector extension csr, Alistair Francis, 2020/06/26
- [PULL 16/63] target/riscv: vector single-width bit shift instructions, Alistair Francis, 2020/06/26
- [PULL 14/63] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions, Alistair Francis, 2020/06/26
- [PULL 03/63] target/riscv: add vector extension field in CPURISCVState, Alistair Francis, 2020/06/26
- [PULL 19/63] target/riscv: vector integer min/max instructions, Alistair Francis <=
- [PULL 35/63] target/riscv: vector widening floating-point multiply, Alistair Francis, 2020/06/26
- [PULL 06/63] target/riscv: add vector configure instruction, Alistair Francis, 2020/06/26
- [PULL 07/63] target/riscv: add an internals.h header, Alistair Francis, 2020/06/26
- [PULL 17/63] target/riscv: vector narrowing integer right shift instructions, Alistair Francis, 2020/06/26
- [PULL 34/63] target/riscv: vector single-width floating-point multiply/divide instructions, Alistair Francis, 2020/06/26
- [PULL 18/63] target/riscv: vector integer comparison instructions, Alistair Francis, 2020/06/26
- [PULL 36/63] target/riscv: vector single-width floating-point fused multiply-add instructions, Alistair Francis, 2020/06/26
- [PULL 37/63] target/riscv: vector widening floating-point fused multiply-add instructions, Alistair Francis, 2020/06/26
- [PULL 20/63] target/riscv: vector single-width integer multiply instructions, Alistair Francis, 2020/06/26
- [PULL 21/63] target/riscv: vector integer divide instructions, Alistair Francis, 2020/06/26

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