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| author | Christoph Müllner <christoph.muellner@vrull.eu> | 2022-11-13 16:59:20 +0100 |
|---|---|---|
| committer | Nelson Chu <nelson@rivosinc.com> | 2022-11-17 16:43:49 +0800 |
| commit | 4a3bc79bf4c0e89c876c930a1e95a02213277460 (patch) | |
| tree | 4a82c5fbaf454ec2fcf147c1134d67b2f38d5879 /bfd | |
| parent | 7a4ce4a1bcff9710b7dede9797e6d5eb2364c06e (diff) | |
| download | gdb-4a3bc79bf4c0e89c876c930a1e95a02213277460.zip gdb-4a3bc79bf4c0e89c876c930a1e95a02213277460.tar.gz gdb-4a3bc79bf4c0e89c876c930a1e95a02213277460.tar.bz2 | |
RISC-V: Add T-Head Fmv vendor extension
This patch adds the XTheadFmv extension, which allows to access the
upper 32 bits of a double-precision floating-point register in RV32.
The XTheadFmv extension is documented in the RISC-V toolchain
contentions:
https://github.com/riscv-non-isa/riscv-toolchain-conventions
Co-developed-by: Lifang Xia <lifang_xia@linux.alibaba.com>
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/elfxx-riscv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c index 300ccf4..a1e4206 100644 --- a/bfd/elfxx-riscv.c +++ b/bfd/elfxx-riscv.c @@ -1239,6 +1239,7 @@ static struct riscv_supported_ext riscv_supported_vendor_x_ext[] = {"xtheadcmo", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"xtheadcondmov", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"xtheadfmemidx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, + {"xtheadfmv", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"xtheadmac", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"xtheadmemidx", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"xtheadmempair", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, @@ -2419,6 +2420,8 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps, return riscv_subset_supports (rps, "xtheadcondmov"); case INSN_CLASS_XTHEADFMEMIDX: return riscv_subset_supports (rps, "xtheadfmemidx"); + case INSN_CLASS_XTHEADFMV: + return riscv_subset_supports (rps, "xtheadfmv"); case INSN_CLASS_XTHEADMAC: return riscv_subset_supports (rps, "xtheadmac"); case INSN_CLASS_XTHEADMEMIDX: @@ -2573,6 +2576,8 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps, return "xtheadcondmov"; case INSN_CLASS_XTHEADFMEMIDX: return "xtheadfmemidx"; + case INSN_CLASS_XTHEADFMV: + return "xtheadfmv"; case INSN_CLASS_XTHEADMAC: return "xtheadmac"; case INSN_CLASS_XTHEADMEMIDX: |