diff options
Diffstat (limited to 'gcc/config.gcc')
| -rw-r--r-- | gcc/config.gcc | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/config.gcc b/gcc/config.gcc index a328c25..efabc13 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -4541,7 +4541,7 @@ case "${target}" in ;; riscv*-*-*) - supported_defaults="abi arch tune riscv_attribute" + supported_defaults="abi arch tune riscv_attribute isa_spec" case "${target}" in riscv-* | riscv32*) xlen=32 ;; @@ -4549,6 +4549,21 @@ case "${target}" in *) echo "Unsupported RISC-V target ${target}" 1>&2; exit 1 ;; esac + case "${with_isa_spec}" in + ""|default|2.2) + tm_defines="${tm_defines} TARGET_DEFAULT_ISA_SPEC=ISA_SPEC_CLASS_2P2" + ;; + 20191213 | 201912) + tm_defines="${tm_defines} TARGET_DEFAULT_ISA_SPEC=ISA_SPEC_CLASS_20191213" + ;; + 20190608 | 201906) + tm_defines="${tm_defines} TARGET_DEFAULT_ISA_SPEC=ISA_SPEC_CLASS_20190608" + ;; + *) + echo "--with-isa-spec only accept 2.2, 20191213, 201912, 20190608 or 201906" 1>&2 + exit 1 + esac + case "${with_riscv_attribute}" in yes) tm_defines="${tm_defines} TARGET_RISCV_ATTRIBUTE=1" |