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[PATCH 3/7] disas/riscv.c: Support disas for Zcm* extensions
From: |
Weiwei Li |
Subject: |
[PATCH 3/7] disas/riscv.c: Support disas for Zcm* extensions |
Date: |
Fri, 19 May 2023 10:19:22 +0800 |
Support disas for Zcmt* instructions only when related extensions
are supported.
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
---
disas/riscv.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/disas/riscv.c b/disas/riscv.c
index 729ab684da..9e01810eef 100644
--- a/disas/riscv.c
+++ b/disas/riscv.c
@@ -2501,7 +2501,7 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
op = rv_op_c_sqsp;
} else {
op = rv_op_c_fsdsp;
- if (((inst >> 12) & 0b01)) {
+ if (dec->cfg->ext_zcmp && ((inst >> 12) & 0b01)) {
switch ((inst >> 8) & 0b01111) {
case 8:
if (((inst >> 4) & 0b01111) >= 4) {
@@ -2527,16 +2527,20 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa
isa)
} else {
switch ((inst >> 10) & 0b011) {
case 0:
- if (((inst >> 2) & 0xFF) >= 32) {
- op = rv_op_cm_jalt;
- } else {
- op = rv_op_cm_jt;
+ if (dec->cfg->ext_zcmt) {
+ if (((inst >> 2) & 0xFF) >= 32) {
+ op = rv_op_cm_jalt;
+ } else {
+ op = rv_op_cm_jt;
+ }
}
break;
case 3:
- switch ((inst >> 5) & 0b011) {
- case 1: op = rv_op_cm_mvsa01; break;
- case 3: op = rv_op_cm_mva01s; break;
+ if (dec->cfg->ext_zcmp) {
+ switch ((inst >> 5) & 0b011) {
+ case 1: op = rv_op_cm_mvsa01; break;
+ case 3: op = rv_op_cm_mva01s; break;
+ }
}
break;
}
--
2.25.1