diff options
Diffstat (limited to 'gas/doc/c-riscv.texi')
| -rw-r--r-- | gas/doc/c-riscv.texi | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gas/doc/c-riscv.texi b/gas/doc/c-riscv.texi index 488cf56..bf942c3 100644 --- a/gas/doc/c-riscv.texi +++ b/gas/doc/c-riscv.texi @@ -42,6 +42,22 @@ Don't generate position-independent code (default) @cindex @samp{-march=ISA} option, RISC-V @item -march=ISA Select the base isa, as specified by ISA. For example -march=rv32ima. +If this option and the architecture attributes aren’t set, then assembler +will check the default configure setting --with-arch=ISA. + +@cindex @samp{-misa-spec=ISAspec} option, RISC-V +@item -misa-spec=ISAspec +Select the default isa spec version. If the version of ISA isn't set +by -march, then assembler helps to set the version according to +the default chosen spec. If this option isn't set, then assembler will +check the default configure setting --with-isa-spec=ISAspec. + +@cindex @samp{-mpriv-spec=PRIVspec} option, RISC-V +@item -mpriv-spec=PRIVspec +Select the privileged spec version. We can decide whether the CSR is valid or +not according to the chosen spec. If this option and the privilege attributes +aren't set, then assembler will check the default configure setting +--with-priv-spec=PRIVspec. @cindex @samp{-mabi=ABI} option, RISC-V @item -mabi=ABI |