diff options
| author | jiawei <jiawei@iscas.ac.cn> | 2021-11-17 20:10:06 +0800 |
|---|---|---|
| committer | Nelson Chu <nelson.chu@sifive.com> | 2021-11-18 14:31:34 +0800 |
| commit | da05b70e56866fd39288f4ff531ddfa6cb988514 (patch) | |
| tree | 3f91ff3dc80f1608f3e7996a07a80b9d19eda4cc /bfd/elfxx-riscv.c | |
| parent | bd97e65f874427cdc264ce273c4d7646ba2934e0 (diff) | |
RISC-V: Add mininal support for z[fdq]inx
Minimal support for zfinx, zdinx, zqinx. Like f/d/q, the zqinx
imply zdinx and zdinx imply zfinx, where zfinx are not compatible
with f/d/q.
bfd/ChangeLog:
* elfxx-riscv.c (riscv_implicit_subsets): Added implicit rules
for z*inx extensions.
(riscv_supported_std_z_ext): Added entries for z*inx.
(riscv_parse_check_conflicts): Added conflict check for z*inx.
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'bfd/elfxx-riscv.c')
| -rw-r--r-- | bfd/elfxx-riscv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c index 78b1517bd8..d2ffaa941e 100644 --- a/bfd/elfxx-riscv.c +++ b/bfd/elfxx-riscv.c @@ -1100,6 +1100,8 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] = {"zvl64b", "zvl32b", check_implicit_always}, {"d", "f", check_implicit_always}, {"f", "zicsr", check_implicit_always}, + {"zqinx", "zdinx", check_implicit_always}, + {"zdinx", "zfinx", check_implicit_always}, {"zk", "zkn", check_implicit_always}, {"zk", "zkr", check_implicit_always}, {"zk", "zkt", check_implicit_always}, @@ -1182,6 +1184,9 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] = {"zifencei", ISA_SPEC_CLASS_20191213, 2, 0, 0 }, {"zifencei", ISA_SPEC_CLASS_20190608, 2, 0, 0 }, {"zihintpause", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, + {"zfinx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, + {"zdinx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, + {"zqinx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zbb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zba", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zbc", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, @@ -1897,6 +1902,13 @@ riscv_parse_check_conflicts (riscv_parse_subset_t *rps) (_("rv32e does not support the `f' extension")); no_conflict = false; } + if (riscv_lookup_subset (rps->subset_list, "zfinx", &subset) + && riscv_lookup_subset (rps->subset_list, "f", &subset)) + { + rps->error_handler + (_("`zfinx' is conflict with the `f/d/q' extension")); + no_conflict = false; + } bool support_zve = false; bool support_zvl = false; |