diff mbox series

[v8,38/62] target/riscv: vector floating-point min/max instructions

Message ID 20200521094413.10425-39-zhiwei_liu@c-sky.com
State New
Headers show
Series target/riscv: support vector extension v0.7.1 | expand

Commit Message

LIU Zhiwei May 21, 2020, 9:43 a.m. UTC 
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>
---
 target/riscv/helper.h                   | 13 ++++++++++++
 target/riscv/insn32.decode              |  4 ++++
 target/riscv/insn_trans/trans_rvv.inc.c |  6 ++++++
 target/riscv/vector_helper.c            | 27 +++++++++++++++++++++++++
 4 files changed, 50 insertions(+)
diff mbox series

Patch

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index db4de7135b..12d959ba0d 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -921,3 +921,16 @@  DEF_HELPER_6(vfwnmsac_vf_w, void, ptr, ptr, i64, ptr, env, i32)
 DEF_HELPER_5(vfsqrt_v_h, void, ptr, ptr, ptr, env, i32)
 DEF_HELPER_5(vfsqrt_v_w, void, ptr, ptr, ptr, env, i32)
 DEF_HELPER_5(vfsqrt_v_d, void, ptr, ptr, ptr, env, i32)
+
+DEF_HELPER_6(vfmin_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmin_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmin_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmax_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmax_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmax_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmin_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmin_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmin_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmax_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmax_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmax_vf_d, void, ptr, ptr, i64, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 4ea71eaf39..5ec5595e2c 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -490,6 +490,10 @@  vfwmsac_vf      111110 . ..... ..... 101 ..... 1010111 @r_vm
 vfwnmsac_vv     111111 . ..... ..... 001 ..... 1010111 @r_vm
 vfwnmsac_vf     111111 . ..... ..... 101 ..... 1010111 @r_vm
 vfsqrt_v        100011 . ..... 00000 001 ..... 1010111 @r2_vm
+vfmin_vv        000100 . ..... ..... 001 ..... 1010111 @r_vm
+vfmin_vf        000100 . ..... ..... 101 ..... 1010111 @r_vm
+vfmax_vv        000110 . ..... ..... 001 ..... 1010111 @r_vm
+vfmax_vf        000110 . ..... ..... 101 ..... 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 c2dbc324e7..a1d6edb5a8 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -2125,3 +2125,9 @@  static bool trans_##NAME(DisasContext *s, arg_rmr *a)              \
 }
 
 GEN_OPFV_TRANS(vfsqrt_v, opfv_check)
+
+/* Vector Floating-Point MIN/MAX Instructions */
+GEN_OPFVV_TRANS(vfmin_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfmax_vv, opfvv_check)
+GEN_OPFVF_TRANS(vfmin_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfmax_vf, opfvf_check)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index b8b1e496b1..a2c427b26c 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -3816,3 +3816,30 @@  RVVCALL(OPFVV1, vfsqrt_v_d, OP_UU_D, H8, H8, float64_sqrt)
 GEN_VEXT_V_ENV(vfsqrt_v_h, 2, 2, clearh)
 GEN_VEXT_V_ENV(vfsqrt_v_w, 4, 4, clearl)
 GEN_VEXT_V_ENV(vfsqrt_v_d, 8, 8, clearq)
+
+/* Vector Floating-Point MIN/MAX Instructions */
+RVVCALL(OPFVV2, vfmin_vv_h, OP_UUU_H, H2, H2, H2, float16_minnum)
+RVVCALL(OPFVV2, vfmin_vv_w, OP_UUU_W, H4, H4, H4, float32_minnum)
+RVVCALL(OPFVV2, vfmin_vv_d, OP_UUU_D, H8, H8, H8, float64_minnum)
+GEN_VEXT_VV_ENV(vfmin_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfmin_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfmin_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF2, vfmin_vf_h, OP_UUU_H, H2, H2, float16_minnum)
+RVVCALL(OPFVF2, vfmin_vf_w, OP_UUU_W, H4, H4, float32_minnum)
+RVVCALL(OPFVF2, vfmin_vf_d, OP_UUU_D, H8, H8, float64_minnum)
+GEN_VEXT_VF(vfmin_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfmin_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfmin_vf_d, 8, 8, clearq)
+
+RVVCALL(OPFVV2, vfmax_vv_h, OP_UUU_H, H2, H2, H2, float16_maxnum)
+RVVCALL(OPFVV2, vfmax_vv_w, OP_UUU_W, H4, H4, H4, float32_maxnum)
+RVVCALL(OPFVV2, vfmax_vv_d, OP_UUU_D, H8, H8, H8, float64_maxnum)
+GEN_VEXT_VV_ENV(vfmax_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfmax_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfmax_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF2, vfmax_vf_h, OP_UUU_H, H2, H2, float16_maxnum)
+RVVCALL(OPFVF2, vfmax_vf_w, OP_UUU_W, H4, H4, float32_maxnum)
+RVVCALL(OPFVF2, vfmax_vf_d, OP_UUU_D, H8, H8, float64_maxnum)
+GEN_VEXT_VF(vfmax_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfmax_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfmax_vf_d, 8, 8, clearq)