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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 34/60] target/riscv: vector widening floating-point fused multiply-add instructions
Date: Mon,  9 Mar 2020 16:20:16 +0800	[thread overview]
Message-ID: <20200309082042.12967-35-zhiwei_liu@c-sky.com> (raw)
In-Reply-To: <20200309082042.12967-1-zhiwei_liu@c-sky.com>

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
---
 target/riscv/helper.h                   | 17 +++++
 target/riscv/insn32.decode              |  8 +++
 target/riscv/insn_trans/trans_rvv.inc.c | 10 +++
 target/riscv/vector_helper.c            | 84 +++++++++++++++++++++++++
 4 files changed, 119 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 3b6dd96918..57e0fee929 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -888,3 +888,20 @@ DEF_HELPER_6(vfmsub_vf_d, void, ptr, ptr, i64, ptr, env, i32)
 DEF_HELPER_6(vfnmsub_vf_h, void, ptr, ptr, i64, ptr, env, i32)
 DEF_HELPER_6(vfnmsub_vf_w, void, ptr, ptr, i64, ptr, env, i32)
 DEF_HELPER_6(vfnmsub_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+
+DEF_HELPER_6(vfwmacc_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwmacc_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwnmacc_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwnmacc_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwmsac_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwmsac_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwnmsac_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwnmsac_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfwmacc_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfwmacc_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfwnmacc_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfwnmacc_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfwmsac_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfwmsac_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfwnmsac_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfwnmsac_vf_w, void, ptr, ptr, i64, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 9834091a86..b7cb116cf4 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -474,6 +474,14 @@ vfmsub_vv       101010 . ..... ..... 001 ..... 1010111 @r_vm
 vfmsub_vf       101010 . ..... ..... 101 ..... 1010111 @r_vm
 vfnmsub_vv      101011 . ..... ..... 001 ..... 1010111 @r_vm
 vfnmsub_vf      101011 . ..... ..... 101 ..... 1010111 @r_vm
+vfwmacc_vv      111100 . ..... ..... 001 ..... 1010111 @r_vm
+vfwmacc_vf      111100 . ..... ..... 101 ..... 1010111 @r_vm
+vfwnmacc_vv     111101 . ..... ..... 001 ..... 1010111 @r_vm
+vfwnmacc_vf     111101 . ..... ..... 101 ..... 1010111 @r_vm
+vfwmsac_vv      111110 . ..... ..... 001 ..... 1010111 @r_vm
+vfwmsac_vf      111110 . ..... ..... 101 ..... 1010111 @r_vm
+vfwnmsac_vv     111111 . ..... ..... 001 ..... 1010111 @r_vm
+vfwnmsac_vf     111111 . ..... ..... 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 172de867ea..06d6e2625b 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1824,3 +1824,13 @@ GEN_OPFVF_TRANS(vfmadd_vf, opfvf_check)
 GEN_OPFVF_TRANS(vfnmadd_vf, opfvf_check)
 GEN_OPFVF_TRANS(vfmsub_vf, opfvf_check)
 GEN_OPFVF_TRANS(vfnmsub_vf, opfvf_check)
+
+/* Vector Widening Floating-Point Fused Multiply-Add Instructions */
+GEN_OPFVV_WIDEN_TRANS(vfwmacc_vv, opfvv_widen_check)
+GEN_OPFVV_WIDEN_TRANS(vfwnmacc_vv, opfvv_widen_check)
+GEN_OPFVV_WIDEN_TRANS(vfwmsac_vv, opfvv_widen_check)
+GEN_OPFVV_WIDEN_TRANS(vfwnmsac_vv, opfvv_widen_check)
+GEN_OPFVF_WIDEN_TRANS(vfwmacc_vf)
+GEN_OPFVF_WIDEN_TRANS(vfwnmacc_vf)
+GEN_OPFVF_WIDEN_TRANS(vfwmsac_vf)
+GEN_OPFVF_WIDEN_TRANS(vfwnmsac_vf)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 2e0341adb0..9bff516a15 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -3404,3 +3404,87 @@ RVVCALL(OPFVF3, vfnmsub_vf_d, OP_UUU_D, H8, H8, fnmsub64)
 GEN_VEXT_VF(vfnmsub_vf_h, 2, 2, clearh)
 GEN_VEXT_VF(vfnmsub_vf_w, 4, 4, clearl)
 GEN_VEXT_VF(vfnmsub_vf_d, 8, 8, clearq)
+
+/* Vector Widening Floating-Point Fused Multiply-Add Instructions */
+static uint32_t fwmacc16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(float16_to_float32(a, true, s),
+                        float16_to_float32(b, true, s), d, 0, s);
+}
+static uint64_t fwmacc32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(float32_to_float64(a, s),
+                        float32_to_float64(b, s), d, 0, s);
+}
+RVVCALL(OPFVV3, vfwmacc_vv_h, WOP_UUU_H, H4, H2, H2, fwmacc16)
+RVVCALL(OPFVV3, vfwmacc_vv_w, WOP_UUU_W, H8, H4, H4, fwmacc32)
+GEN_VEXT_VV_ENV(vfwmacc_vv_h, 2, 4, clearl)
+GEN_VEXT_VV_ENV(vfwmacc_vv_w, 4, 8, clearq)
+RVVCALL(OPFVF3, vfwmacc_vf_h, WOP_UUU_H, H4, H2, fwmacc16)
+RVVCALL(OPFVF3, vfwmacc_vf_w, WOP_UUU_W, H8, H4, fwmacc32)
+GEN_VEXT_VF(vfwmacc_vf_h, 2, 4, clearl)
+GEN_VEXT_VF(vfwmacc_vf_w, 4, 8, clearq)
+
+static uint32_t fwnmacc16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(float16_to_float32(a, true, s),
+                        float16_to_float32(b, true, s), d,
+                        float_muladd_negate_c | float_muladd_negate_product, s);
+}
+static uint64_t fwnmacc32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(float32_to_float64(a, s),
+                        float32_to_float64(b, s), d,
+                        float_muladd_negate_c | float_muladd_negate_product, s);
+}
+RVVCALL(OPFVV3, vfwnmacc_vv_h, WOP_UUU_H, H4, H2, H2, fwnmacc16)
+RVVCALL(OPFVV3, vfwnmacc_vv_w, WOP_UUU_W, H8, H4, H4, fwnmacc32)
+GEN_VEXT_VV_ENV(vfwnmacc_vv_h, 2, 4, clearl)
+GEN_VEXT_VV_ENV(vfwnmacc_vv_w, 4, 8, clearq)
+RVVCALL(OPFVF3, vfwnmacc_vf_h, WOP_UUU_H, H4, H2, fwnmacc16)
+RVVCALL(OPFVF3, vfwnmacc_vf_w, WOP_UUU_W, H8, H4, fwnmacc32)
+GEN_VEXT_VF(vfwnmacc_vf_h, 2, 4, clearl)
+GEN_VEXT_VF(vfwnmacc_vf_w, 4, 8, clearq)
+
+static uint32_t fwmsac16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(float16_to_float32(a, true, s),
+                        float16_to_float32(b, true, s), d,
+                        float_muladd_negate_c, s);
+}
+static uint64_t fwmsac32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(float32_to_float64(a, s),
+                        float32_to_float64(b, s), d,
+                        float_muladd_negate_c, s);
+}
+
+RVVCALL(OPFVV3, vfwmsac_vv_h, WOP_UUU_H, H4, H2, H2, fwmsac16)
+RVVCALL(OPFVV3, vfwmsac_vv_w, WOP_UUU_W, H8, H4, H4, fwmsac32)
+GEN_VEXT_VV_ENV(vfwmsac_vv_h, 2, 4, clearl)
+GEN_VEXT_VV_ENV(vfwmsac_vv_w, 4, 8, clearq)
+RVVCALL(OPFVF3, vfwmsac_vf_h, WOP_UUU_H, H4, H2, fwmsac16)
+RVVCALL(OPFVF3, vfwmsac_vf_w, WOP_UUU_W, H8, H4, fwmsac32)
+GEN_VEXT_VF(vfwmsac_vf_h, 2, 4, clearl)
+GEN_VEXT_VF(vfwmsac_vf_w, 4, 8, clearq)
+
+static uint32_t fwnmsac16(uint16_t a, uint16_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(float16_to_float32(a, true, s),
+                        float16_to_float32(b, true, s), d,
+                        float_muladd_negate_product, s);
+}
+static uint64_t fwnmsac32(uint32_t a, uint32_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(float32_to_float64(a, s),
+                        float32_to_float64(b, s), d,
+                        float_muladd_negate_product, s);
+}
+RVVCALL(OPFVV3, vfwnmsac_vv_h, WOP_UUU_H, H4, H2, H2, fwnmsac16)
+RVVCALL(OPFVV3, vfwnmsac_vv_w, WOP_UUU_W, H8, H4, H4, fwnmsac32)
+GEN_VEXT_VV_ENV(vfwnmsac_vv_h, 2, 4, clearl)
+GEN_VEXT_VV_ENV(vfwnmsac_vv_w, 4, 8, clearq)
+RVVCALL(OPFVF3, vfwnmsac_vf_h, WOP_UUU_H, H4, H2, fwnmsac16)
+RVVCALL(OPFVF3, vfwnmsac_vf_w, WOP_UUU_W, H8, H4, fwnmsac32)
+GEN_VEXT_VF(vfwnmsac_vf_h, 2, 4, clearl)
+GEN_VEXT_VF(vfwnmsac_vf_w, 4, 8, clearq)
-- 
2.23.0



  parent reply	other threads:[~2020-03-09  8:32 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
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 01/60] target/riscv: add vector extension field in CPURISCVState LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 02/60] target/riscv: implementation-defined constant parameters LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 03/60] target/riscv: support vector extension csr LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 04/60] target/riscv: add vector configure instruction LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 05/60] target/riscv: add vector stride load and store instructions LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 06/60] target/riscv: add vector index " LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 07/60] target/riscv: add fault-only-first unit stride load LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 08/60] target/riscv: add vector amo operations LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 09/60] target/riscv: vector single-width integer add and subtract LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 10/60] target/riscv: vector widening " LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 11/60] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 12/60] target/riscv: vector bitwise logical instructions LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 13/60] target/riscv: vector single-width bit shift instructions LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 14/60] target/riscv: vector narrowing integer right " LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 15/60] target/riscv: vector integer comparison instructions LIU Zhiwei
2020-03-09  8:19 ` [PATCH v3 17/60] target/riscv: vector single-width integer multiply instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 18/60] target/riscv: vector integer divide instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 19/60] target/riscv: vector widening integer multiply instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 20/60] target/riscv: vector single-width integer multiply-add instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 21/60] target/riscv: vector widening " LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 22/60] target/riscv: vector integer merge and move instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 23/60] target/riscv: vector single-width saturating add and subtract LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 24/60] target/riscv: vector single-width averaging " LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 25/60] target/riscv: vector single-width fractional multiply with rounding and saturation LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 26/60] target/riscv: vector widening saturating scaled multiply-add LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 27/60] target/riscv: vector single-width scaling shift instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 28/60] target/riscv: vector narrowing fixed-point clip instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 29/60] target/riscv: vector single-width floating-point add/subtract instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 30/60] target/riscv: vector widening " LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 31/60] target/riscv: vector single-width floating-point multiply/divide instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 32/60] target/riscv: vector widening floating-point multiply LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 33/60] target/riscv: vector single-width floating-point fused multiply-add instructions LIU Zhiwei
2020-03-09  8:20 ` LIU Zhiwei [this message]
2020-03-09  8:20 ` [PATCH v3 35/60] target/riscv: vector floating-point square-root instruction LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 36/60] target/riscv: vector floating-point min/max instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 37/60] target/riscv: vector floating-point sign-injection instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 38/60] target/riscv: vector floating-point compare instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 39/60] target/riscv: vector floating-point classify instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 40/60] target/riscv: vector floating-point merge instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 41/60] target/riscv: vector floating-point/integer type-convert instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 42/60] target/riscv: widening " LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 43/60] target/riscv: narrowing " LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 45/60] target/riscv: vector wideing integer reduction instructions LIU Zhiwei
2020-03-09  8:20 ` [PATCH v3 48/60] target/riscv: vector mask-register logical instructions LIU Zhiwei

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