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authorWeiwei Li <liweiwei@iscas.ac.cn>2023-05-23 17:35:35 +0800
committerAlistair Francis <alistair.francis@wdc.com>2023-06-13 17:28:22 +1000
commit2a2b221b65f5a4bcbbb9b508cdb76ff527e48aa6 (patch)
tree944fed504408a69e7b5880696cd75b50bcb58673 /disas/riscv.c
parent454c2201005b5f47a76116ab529c923e194ec615 (diff)
disas/riscv.c: Support disas for Zcm* extensions
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> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20230523093539.203909-5-liweiwei@iscas.ac.cn> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'disas/riscv.c')
-rw-r--r--disas/riscv.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/disas/riscv.c b/disas/riscv.c
index f2dd5fd531..6659f92179 100644
--- a/disas/riscv.c
+++ b/disas/riscv.c
@@ -2505,7 +2505,7 @@ 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) {
@@ -2531,6 +2531,9 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
} else {
switch ((inst >> 10) & 0b011) {
case 0:
+ if (!dec->cfg->ext_zcmt) {
+ break;
+ }
if (((inst >> 2) & 0xFF) >= 32) {
op = rv_op_cm_jalt;
} else {
@@ -2538,6 +2541,9 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa isa)
}
break;
case 3:
+ if (!dec->cfg->ext_zcmp) {
+ break;
+ }
switch ((inst >> 5) & 0b011) {
case 1: op = rv_op_cm_mvsa01; break;
case 3: op = rv_op_cm_mva01s; break;