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[PULL v2 22/64] target/riscv: vector integer divide instructions
From: |
Alistair Francis |
Subject: |
[PULL v2 22/64] target/riscv: vector integer divide instructions |
Date: |
Thu, 2 Jul 2020 09:23:12 -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: <20200701152549.1218-20-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 | 74 +++++++++++++++++++++++++
4 files changed, 125 insertions(+)
diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index c2de0d29ba..e14979e452 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -568,3 +568,36 @@ 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)
+
+DEF_HELPER_6(vdivu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_d, void, ptr, ptr, tl, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 6b29aad4d2..cf58764308 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -373,6 +373,14 @@ 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
+vdivu_vv 100000 . ..... ..... 010 ..... 1010111 @r_vm
+vdivu_vx 100000 . ..... ..... 110 ..... 1010111 @r_vm
+vdiv_vv 100001 . ..... ..... 010 ..... 1010111 @r_vm
+vdiv_vx 100001 . ..... ..... 110 ..... 1010111 @r_vm
+vremu_vv 100010 . ..... ..... 010 ..... 1010111 @r_vm
+vremu_vx 100010 . ..... ..... 110 ..... 1010111 @r_vm
+vrem_vv 100011 . ..... ..... 010 ..... 1010111 @r_vm
+vrem_vx 100011 . ..... ..... 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 b5ea1c59a1..f3a8baf581 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1581,3 +1581,13 @@ 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)
+
+/* Vector Integer Divide Instructions */
+GEN_OPIVV_TRANS(vdivu_vv, opivv_check)
+GEN_OPIVV_TRANS(vdiv_vv, opivv_check)
+GEN_OPIVV_TRANS(vremu_vv, opivv_check)
+GEN_OPIVV_TRANS(vrem_vv, opivv_check)
+GEN_OPIVX_TRANS(vdivu_vx, opivx_check)
+GEN_OPIVX_TRANS(vdiv_vx, opivx_check)
+GEN_OPIVX_TRANS(vremu_vx, opivx_check)
+GEN_OPIVX_TRANS(vrem_vx, opivx_check)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 77f0399ebe..1a90f6e967 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -1766,3 +1766,77 @@ 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)
+
+/* Vector Integer Divide Instructions */
+#define DO_DIVU(N, M) (unlikely(M == 0) ? (__typeof(N))(-1) : N / M)
+#define DO_REMU(N, M) (unlikely(M == 0) ? N : N % M)
+#define DO_DIV(N, M) (unlikely(M == 0) ? (__typeof(N))(-1) :\
+ unlikely((N == -N) && (M == (__typeof(N))(-1))) ? N : N / M)
+#define DO_REM(N, M) (unlikely(M == 0) ? N :\
+ unlikely((N == -N) && (M == (__typeof(N))(-1))) ? 0 : N % M)
+
+RVVCALL(OPIVV2, vdivu_vv_b, OP_UUU_B, H1, H1, H1, DO_DIVU)
+RVVCALL(OPIVV2, vdivu_vv_h, OP_UUU_H, H2, H2, H2, DO_DIVU)
+RVVCALL(OPIVV2, vdivu_vv_w, OP_UUU_W, H4, H4, H4, DO_DIVU)
+RVVCALL(OPIVV2, vdivu_vv_d, OP_UUU_D, H8, H8, H8, DO_DIVU)
+RVVCALL(OPIVV2, vdiv_vv_b, OP_SSS_B, H1, H1, H1, DO_DIV)
+RVVCALL(OPIVV2, vdiv_vv_h, OP_SSS_H, H2, H2, H2, DO_DIV)
+RVVCALL(OPIVV2, vdiv_vv_w, OP_SSS_W, H4, H4, H4, DO_DIV)
+RVVCALL(OPIVV2, vdiv_vv_d, OP_SSS_D, H8, H8, H8, DO_DIV)
+RVVCALL(OPIVV2, vremu_vv_b, OP_UUU_B, H1, H1, H1, DO_REMU)
+RVVCALL(OPIVV2, vremu_vv_h, OP_UUU_H, H2, H2, H2, DO_REMU)
+RVVCALL(OPIVV2, vremu_vv_w, OP_UUU_W, H4, H4, H4, DO_REMU)
+RVVCALL(OPIVV2, vremu_vv_d, OP_UUU_D, H8, H8, H8, DO_REMU)
+RVVCALL(OPIVV2, vrem_vv_b, OP_SSS_B, H1, H1, H1, DO_REM)
+RVVCALL(OPIVV2, vrem_vv_h, OP_SSS_H, H2, H2, H2, DO_REM)
+RVVCALL(OPIVV2, vrem_vv_w, OP_SSS_W, H4, H4, H4, DO_REM)
+RVVCALL(OPIVV2, vrem_vv_d, OP_SSS_D, H8, H8, H8, DO_REM)
+GEN_VEXT_VV(vdivu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vdivu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vdivu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vdivu_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vdiv_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vdiv_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vdiv_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vdiv_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vremu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vremu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vremu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vremu_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vrem_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vrem_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vrem_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vrem_vv_d, 8, 8, clearq)
+
+RVVCALL(OPIVX2, vdivu_vx_b, OP_UUU_B, H1, H1, DO_DIVU)
+RVVCALL(OPIVX2, vdivu_vx_h, OP_UUU_H, H2, H2, DO_DIVU)
+RVVCALL(OPIVX2, vdivu_vx_w, OP_UUU_W, H4, H4, DO_DIVU)
+RVVCALL(OPIVX2, vdivu_vx_d, OP_UUU_D, H8, H8, DO_DIVU)
+RVVCALL(OPIVX2, vdiv_vx_b, OP_SSS_B, H1, H1, DO_DIV)
+RVVCALL(OPIVX2, vdiv_vx_h, OP_SSS_H, H2, H2, DO_DIV)
+RVVCALL(OPIVX2, vdiv_vx_w, OP_SSS_W, H4, H4, DO_DIV)
+RVVCALL(OPIVX2, vdiv_vx_d, OP_SSS_D, H8, H8, DO_DIV)
+RVVCALL(OPIVX2, vremu_vx_b, OP_UUU_B, H1, H1, DO_REMU)
+RVVCALL(OPIVX2, vremu_vx_h, OP_UUU_H, H2, H2, DO_REMU)
+RVVCALL(OPIVX2, vremu_vx_w, OP_UUU_W, H4, H4, DO_REMU)
+RVVCALL(OPIVX2, vremu_vx_d, OP_UUU_D, H8, H8, DO_REMU)
+RVVCALL(OPIVX2, vrem_vx_b, OP_SSS_B, H1, H1, DO_REM)
+RVVCALL(OPIVX2, vrem_vx_h, OP_SSS_H, H2, H2, DO_REM)
+RVVCALL(OPIVX2, vrem_vx_w, OP_SSS_W, H4, H4, DO_REM)
+RVVCALL(OPIVX2, vrem_vx_d, OP_SSS_D, H8, H8, DO_REM)
+GEN_VEXT_VX(vdivu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vdivu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vdivu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vdivu_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vdiv_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vdiv_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vdiv_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vdiv_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vremu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vremu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vremu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vremu_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vrem_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vrem_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vrem_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vrem_vx_d, 8, 8, clearq)
--
2.27.0
- [PULL v2 00/64] riscv-to-apply queue, Alistair Francis, 2020/07/02
- [PULL v2 02/64] riscv: plic: Add a couple of mising sifive_plic_update calls, Alistair Francis, 2020/07/02
- [PULL v2 01/64] riscv: plic: Honour source priorities, Alistair Francis, 2020/07/02
- [PULL v2 03/64] hw/riscv: Allow 64 bit access to SiFive CLINT, Alistair Francis, 2020/07/02
- [PULL v2 08/64] target/riscv: add an internals.h header, Alistair Francis, 2020/07/02
- [PULL v2 07/64] target/riscv: add vector configure instruction, Alistair Francis, 2020/07/02
- [PULL v2 05/64] target/riscv: implementation-defined constant parameters, Alistair Francis, 2020/07/02
- [PULL v2 06/64] target/riscv: support vector extension csr, Alistair Francis, 2020/07/02
- [PULL v2 14/64] target/riscv: vector widening integer add and subtract, Alistair Francis, 2020/07/02
- [PULL v2 10/64] target/riscv: add vector index load and store instructions, Alistair Francis, 2020/07/02
- [PULL v2 22/64] target/riscv: vector integer divide instructions,
Alistair Francis <=
- [PULL v2 04/64] target/riscv: add vector extension field in CPURISCVState, Alistair Francis, 2020/07/02
- [PULL v2 12/64] target/riscv: add vector amo operations, Alistair Francis, 2020/07/02
- Re: [PULL v2 12/64] target/riscv: add vector amo operations, Alistair Francis, 2020/07/06
- Re: [PULL v2 12/64] target/riscv: add vector amo operations, LIU Zhiwei, 2020/07/06
[PULL v2 09/64] target/riscv: add vector stride load and store instructions, Alistair Francis, 2020/07/02
[PULL v2 17/64] target/riscv: vector single-width bit shift instructions, Alistair Francis, 2020/07/02