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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com,
	zhiwei_liu@linux.alibaba.com,
	TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>
Subject: [PATCH v6 08/14] tcg/riscv: Implement vector neg ops
Date: Wed, 16 Oct 2024 12:31:34 -0700	[thread overview]
Message-ID: <20241016193140.2206352-9-richard.henderson@linaro.org> (raw)
In-Reply-To: <20241016193140.2206352-1-richard.henderson@linaro.org>

From: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>

Signed-off-by: TANG Tiancheng <tangtiancheng.ttc@alibaba-inc.com>
Reviewed-by: Liu Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20241007025700.47259-8-zhiwei_liu@linux.alibaba.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/riscv/tcg-target.h     | 2 +-
 tcg/riscv/tcg-target.c.inc | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index 94034504b2..ae10381e02 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -152,7 +152,7 @@ typedef enum {
 #define TCG_TARGET_HAS_nor_vec          0
 #define TCG_TARGET_HAS_eqv_vec          0
 #define TCG_TARGET_HAS_not_vec          1
-#define TCG_TARGET_HAS_neg_vec          0
+#define TCG_TARGET_HAS_neg_vec          1
 #define TCG_TARGET_HAS_abs_vec          0
 #define TCG_TARGET_HAS_roti_vec         0
 #define TCG_TARGET_HAS_rots_vec         0
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 1893c419c6..ce8d6d0293 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -276,6 +276,7 @@ typedef enum {
     OPC_VADD_VV = 0x57 | V_OPIVV,
     OPC_VADD_VI = 0x57 | V_OPIVI,
     OPC_VSUB_VV = 0x8000057 | V_OPIVV,
+    OPC_VRSUB_VI = 0xc000057 | V_OPIVI,
     OPC_VAND_VV = 0x24000057 | V_OPIVV,
     OPC_VAND_VI = 0x24000057 | V_OPIVI,
     OPC_VOR_VV = 0x28000057 | V_OPIVV,
@@ -2367,6 +2368,10 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         set_vtype_len(s, type);
         tcg_out_opc_vi(s, OPC_VXOR_VI, a0, a1, -1);
         break;
+    case INDEX_op_neg_vec:
+        set_vtype_len_sew(s, type, vece);
+        tcg_out_opc_vi(s, OPC_VRSUB_VI, a0, a1, 0);
+        break;
     case INDEX_op_cmp_vec:
         tcg_out_cmpsel(s, type, vece, args[3], a0, a1, a2, c2,
                        -1, true, 0, true);
@@ -2397,6 +2402,7 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
     case INDEX_op_or_vec:
     case INDEX_op_xor_vec:
     case INDEX_op_not_vec:
+    case INDEX_op_neg_vec:
     case INDEX_op_cmp_vec:
     case INDEX_op_cmpsel_vec:
         return 1;
@@ -2550,6 +2556,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
     case INDEX_op_dupm_vec:
     case INDEX_op_ld_vec:
         return C_O1_I1(v, r);
+    case INDEX_op_neg_vec:
     case INDEX_op_not_vec:
         return C_O1_I1(v, v);
     case INDEX_op_add_vec:
-- 
2.43.0



  parent reply	other threads:[~2024-10-16 19:35 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-16 19:31 [PATCH v6 00/14] tcg/riscv: Add support for vector Richard Henderson
2024-10-16 19:31 ` [PATCH v6 01/14] tcg: Reset data_gen_ptr correctly Richard Henderson
2024-10-21  1:16   ` Alistair Francis
2024-10-21 17:31   ` Pierrick Bouvier
2024-10-22  2:48   ` LIU Zhiwei
2024-10-16 19:31 ` [PATCH v6 02/14] disas/riscv: Fix vsetivli disassembly Richard Henderson
2024-10-21  1:17   ` Alistair Francis
2024-10-21 17:41   ` Pierrick Bouvier
2024-10-22  3:12   ` LIU Zhiwei
2024-10-16 19:31 ` [PATCH v6 03/14] util: Add RISC-V vector extension probe in cpuinfo Richard Henderson
2024-10-21  1:20   ` Alistair Francis
2024-10-21 18:25   ` Daniel Henrique Barboza
2024-10-21 18:52     ` Richard Henderson
2024-10-21 19:16       ` Daniel Henrique Barboza
2024-10-16 19:31 ` [PATCH v6 04/14] tcg/riscv: Add basic support for vector Richard Henderson
2024-10-16 19:31 ` [PATCH v6 05/14] tcg/riscv: Implement vector mov/dup{m/i} Richard Henderson
2024-10-16 19:31 ` [PATCH v6 06/14] tcg/riscv: Add support for basic vector opcodes Richard Henderson
2024-10-16 19:31 ` [PATCH v6 07/14] tcg/riscv: Implement vector cmp/cmpsel ops Richard Henderson
2024-10-16 19:31 ` Richard Henderson [this message]
2024-10-16 19:31 ` [PATCH v6 09/14] tcg/riscv: Accept constant first argument to sub_vec Richard Henderson
2024-10-22  6:31   ` LIU Zhiwei
2024-10-16 19:31 ` [PATCH v6 10/14] tcg/riscv: Implement vector sat/mul ops Richard Henderson
2024-10-16 19:31 ` [PATCH v6 11/14] tcg/riscv: Implement vector min/max ops Richard Henderson
2024-10-16 19:31 ` [PATCH v6 12/14] tcg/riscv: Implement vector shi/s/v ops Richard Henderson
2024-10-16 19:31 ` [PATCH v6 13/14] tcg/riscv: Implement vector roti/v/x ops Richard Henderson
2024-10-16 19:31 ` [PATCH v6 14/14] tcg/riscv: Enable native vector support for TCG host Richard Henderson
2024-10-21  1:42 ` [PATCH v6 00/14] tcg/riscv: Add support for vector Alistair Francis
2024-10-22  6:59   ` LIU Zhiwei

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