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-rw-r--r--bfd/elfxx-riscv.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index 8635187..ee96608 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1173,6 +1173,7 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] =
{"zvksc", "zvbc", check_implicit_always},
{"zcf", "zca", check_implicit_always},
{"zcd", "zca", check_implicit_always},
+ {"zcb", "zca", check_implicit_always},
{"smaia", "ssaia", check_implicit_always},
{"smstateen", "ssstateen", check_implicit_always},
{"smepmp", "zicsr", check_implicit_always},
@@ -1307,6 +1308,7 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
{"zvl65536b", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"ztso", ISA_SPEC_CLASS_DRAFT, 0, 1, 0 },
{"zca", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
+ {"zcb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zcf", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{"zcd", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },
{NULL, 0, 0, 0, 0}
@@ -2494,6 +2496,17 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps,
return riscv_subset_supports (rps, "zvksed");
case INSN_CLASS_ZVKSH:
return riscv_subset_supports (rps, "zvksh");
+ case INSN_CLASS_ZCB:
+ return riscv_subset_supports (rps, "zcb");
+ case INSN_CLASS_ZCB_AND_ZBB:
+ return (riscv_subset_supports (rps, "zcb")
+ && riscv_subset_supports (rps, "zbb"));
+ case INSN_CLASS_ZCB_AND_ZBA:
+ return (riscv_subset_supports (rps, "zcb")
+ && riscv_subset_supports (rps, "zba"));
+ case INSN_CLASS_ZCB_AND_ZMMUL:
+ return (riscv_subset_supports (rps, "zcb")
+ && riscv_subset_supports (rps, "zmmul"));
case INSN_CLASS_SVINVAL:
return riscv_subset_supports (rps, "svinval");
case INSN_CLASS_H:
@@ -2702,6 +2715,14 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
return _("zvksed");
case INSN_CLASS_ZVKSH:
return _("zvksh");
+ case INSN_CLASS_ZCB:
+ return "zcb";
+ case INSN_CLASS_ZCB_AND_ZBA:
+ return _("zcb' and `zba");
+ case INSN_CLASS_ZCB_AND_ZBB:
+ return _("zcb' and `zbb");
+ case INSN_CLASS_ZCB_AND_ZMMUL:
+ return _("zcb' and `zmmul', or `zcb' and `m");
case INSN_CLASS_SVINVAL:
return "svinval";
case INSN_CLASS_H: