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[PATCH v3 37/60] target/riscv: vector floating-point sign-injection inst


From: LIU Zhiwei
Subject: [PATCH v3 37/60] target/riscv: vector floating-point sign-injection instructions
Date: Mon, 9 Mar 2020 16:20:19 +0800

Signed-off-by: LIU Zhiwei <address@hidden>
---
 target/riscv/helper.h                   | 19 +++++++
 target/riscv/insn32.decode              |  6 ++
 target/riscv/insn_trans/trans_rvv.inc.c |  8 +++
 target/riscv/vector_helper.c            | 76 +++++++++++++++++++++++++
 4 files changed, 109 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 9d1f443d02..efbd5d306d 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -922,3 +922,22 @@ 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)
+
+DEF_HELPER_6(vfsgnj_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnj_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnj_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnjn_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnjn_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnjn_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnjx_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnjx_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnjx_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfsgnj_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnj_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnj_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnjn_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnjn_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnjn_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnjx_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnjx_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfsgnjx_vf_d, void, ptr, ptr, i64, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index e42cbcebc0..d149eccd5c 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -489,6 +489,12 @@ 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
+vfsgnj_vv       001000 . ..... ..... 001 ..... 1010111 @r_vm
+vfsgnj_vf       001000 . ..... ..... 101 ..... 1010111 @r_vm
+vfsgnjn_vv      001001 . ..... ..... 001 ..... 1010111 @r_vm
+vfsgnjn_vf      001001 . ..... ..... 101 ..... 1010111 @r_vm
+vfsgnjx_vv      001010 . ..... ..... 001 ..... 1010111 @r_vm
+vfsgnjx_vf      001010 . ..... ..... 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 7e7e59c0d6..ff4ebd3f8c 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1877,3 +1877,11 @@ 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)
+
+/* Vector Floating-Point Sign-Injection Instructions */
+GEN_OPFVV_TRANS(vfsgnj_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfsgnjn_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfsgnjx_vv, opfvv_check)
+GEN_OPFVF_TRANS(vfsgnj_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfsgnjn_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfsgnjx_vf, opfvf_check)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 3bcfce10aa..79e261ff1a 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -3555,3 +3555,79 @@ RVVCALL(OPFVF2, vfmax_vf_d, OP_UUU_D, H8, H8, 
float64_max)
 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)
+
+/* Vector Floating-Point Sign-Injection Instructions */
+static uint16_t fsgnj16(uint16_t a, uint16_t b, float_status *s)
+{
+    return deposit64(b, 0, 15, a);
+}
+static uint32_t fsgnj32(uint32_t a, uint32_t b, float_status *s)
+{
+    return deposit64(b, 0, 31, a);
+}
+static uint64_t fsgnj64(uint64_t a, uint64_t b, float_status *s)
+{
+    return deposit64(b, 0, 63, a);
+}
+RVVCALL(OPFVV2, vfsgnj_vv_h, OP_UUU_H, H2, H2, H2, fsgnj16)
+RVVCALL(OPFVV2, vfsgnj_vv_w, OP_UUU_W, H4, H4, H4, fsgnj32)
+RVVCALL(OPFVV2, vfsgnj_vv_d, OP_UUU_D, H8, H8, H8, fsgnj64)
+GEN_VEXT_VV_ENV(vfsgnj_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfsgnj_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfsgnj_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF2, vfsgnj_vf_h, OP_UUU_H, H2, H2, fsgnj16)
+RVVCALL(OPFVF2, vfsgnj_vf_w, OP_UUU_W, H4, H4, fsgnj32)
+RVVCALL(OPFVF2, vfsgnj_vf_d, OP_UUU_D, H8, H8, fsgnj64)
+GEN_VEXT_VF(vfsgnj_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfsgnj_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfsgnj_vf_d, 8, 8, clearq)
+
+static uint16_t fsgnjn16(uint16_t a, uint16_t b, float_status *s)
+{
+    return deposit64(~b, 0, 15, a);
+}
+static uint32_t fsgnjn32(uint32_t a, uint32_t b, float_status *s)
+{
+    return deposit64(~b, 0, 31, a);
+}
+static uint64_t fsgnjn64(uint64_t a, uint64_t b, float_status *s)
+{
+    return deposit64(~b, 0, 63, a);
+}
+RVVCALL(OPFVV2, vfsgnjn_vv_h, OP_UUU_H, H2, H2, H2, fsgnjn16)
+RVVCALL(OPFVV2, vfsgnjn_vv_w, OP_UUU_W, H4, H4, H4, fsgnjn32)
+RVVCALL(OPFVV2, vfsgnjn_vv_d, OP_UUU_D, H8, H8, H8, fsgnjn64)
+GEN_VEXT_VV_ENV(vfsgnjn_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfsgnjn_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfsgnjn_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF2, vfsgnjn_vf_h, OP_UUU_H, H2, H2, fsgnjn16)
+RVVCALL(OPFVF2, vfsgnjn_vf_w, OP_UUU_W, H4, H4, fsgnjn32)
+RVVCALL(OPFVF2, vfsgnjn_vf_d, OP_UUU_D, H8, H8, fsgnjn64)
+GEN_VEXT_VF(vfsgnjn_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfsgnjn_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfsgnjn_vf_d, 8, 8, clearq)
+
+static uint16_t fsgnjx16(uint16_t a, uint16_t b, float_status *s)
+{
+    return deposit64(b ^ a, 0, 15, a);
+}
+static uint32_t fsgnjx32(uint32_t a, uint32_t b, float_status *s)
+{
+    return deposit64(b ^ a, 0, 31, a);
+}
+static uint64_t fsgnjx64(uint64_t a, uint64_t b, float_status *s)
+{
+    return deposit64(b ^ a, 0, 63, a);
+}
+RVVCALL(OPFVV2, vfsgnjx_vv_h, OP_UUU_H, H2, H2, H2, fsgnjx16)
+RVVCALL(OPFVV2, vfsgnjx_vv_w, OP_UUU_W, H4, H4, H4, fsgnjx32)
+RVVCALL(OPFVV2, vfsgnjx_vv_d, OP_UUU_D, H8, H8, H8, fsgnjx64)
+GEN_VEXT_VV_ENV(vfsgnjx_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfsgnjx_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfsgnjx_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF2, vfsgnjx_vf_h, OP_UUU_H, H2, H2, fsgnjx16)
+RVVCALL(OPFVF2, vfsgnjx_vf_w, OP_UUU_W, H4, H4, fsgnjx32)
+RVVCALL(OPFVF2, vfsgnjx_vf_d, OP_UUU_D, H8, H8, fsgnjx64)
+GEN_VEXT_VF(vfsgnjx_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfsgnjx_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfsgnjx_vf_d, 8, 8, clearq)
-- 
2.23.0




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