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[PATCH 2/2] disas/riscv: Add support for amocas.{w,d,q} instructions
From: |
Rob Bradford |
Subject: |
[PATCH 2/2] disas/riscv: Add support for amocas.{w,d,q} instructions |
Date: |
Fri, 2 Jun 2023 13:16:41 +0100 |
Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
---
disas/riscv.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/disas/riscv.c b/disas/riscv.c
index d597161d46..dbed2010f8 100644
--- a/disas/riscv.c
+++ b/disas/riscv.c
@@ -964,6 +964,9 @@ typedef enum {
rv_op_cm_jalt = 788,
rv_op_czero_eqz = 789,
rv_op_czero_nez = 790,
+ rv_op_amocas_w = 791,
+ rv_op_amocas_d = 792,
+ rv_op_amocas_q = 793,
} rv_op;
/* structures */
@@ -2123,6 +2126,9 @@ const rv_opcode_data opcode_data[] = {
{ "cm.jalt", rv_codec_zcmt_jt, rv_fmt_zcmt_index, NULL, 0 },
{ "czero.eqz", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
{ "czero.nez", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 },
+ { "amoswap.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
+ { "amoswap.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
+ { "amoswap.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 },
};
/* CSR names */
@@ -2865,6 +2871,9 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
case 34: op = rv_op_amoxor_w; break;
case 35: op = rv_op_amoxor_d; break;
case 36: op = rv_op_amoxor_q; break;
+ case 42: op = rv_op_amocas_w; break;
+ case 43: op = rv_op_amocas_d; break;
+ case 44: op = rv_op_amocas_q; break;
case 66: op = rv_op_amoor_w; break;
case 67: op = rv_op_amoor_d; break;
case 68: op = rv_op_amoor_q; break;
--
2.40.1