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| author | Edwin Lu <ewlu@rivosinc.com> | 2024-07-10 09:44:48 -0700 |
|---|---|---|
| committer | Edwin Lu <ewlu@rivosinc.com> | 2024-07-10 09:52:13 -0700 |
| commit | 2a90c41a131080e5fdd2b5554fcdba5c654cb93f (patch) | |
| tree | bf34d4b4caa5661422c7fae0faa3ab7e2eb13661 /gcc | |
| parent | 5686d3b8ae16d9aeea8d39a56ec6f8ecee661e01 (diff) | |
| download | gcc-2a90c41a131080e5fdd2b5554fcdba5c654cb93f.zip gcc-2a90c41a131080e5fdd2b5554fcdba5c654cb93f.tar.gz gcc-2a90c41a131080e5fdd2b5554fcdba5c654cb93f.tar.bz2 | |
RISC-V: Add support for B standard extension
This patch adds support for recognizing the B standard extension to be the
collection of Zba, Zbb, Zbs extensions for consistency and conciseness
across toolchains
https://github.com/riscv/riscv-b/tags
gcc/ChangeLog:
* common/config/riscv/riscv-common.cc: Add imply rules for B extension
* config/riscv/arch-canonicalize: Ditto
Signed-off-by: Edwin Lu <ewlu@rivosinc.com>
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/common/config/riscv/riscv-common.cc | 7 | ||||
| -rwxr-xr-x | gcc/config/riscv/arch-canonicalize | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc index dab2e76..b0a16f5 100644 --- a/gcc/common/config/riscv/riscv-common.cc +++ b/gcc/common/config/riscv/riscv-common.cc @@ -84,6 +84,10 @@ static const riscv_implied_info_t riscv_implied_info[] = {"zabha", "zaamo"}, + {"b", "zba"}, + {"b", "zbb"}, + {"b", "zbs"}, + {"zdinx", "zfinx"}, {"zfinx", "zicsr"}, {"zdinx", "zicsr"}, @@ -245,6 +249,8 @@ static const struct riscv_ext_version riscv_ext_version_table[] = {"c", ISA_SPEC_CLASS_20190608, 2, 0}, {"c", ISA_SPEC_CLASS_2P2, 2, 0}, + {"b", ISA_SPEC_CLASS_NONE, 1, 0}, + {"h", ISA_SPEC_CLASS_NONE, 1, 0}, {"v", ISA_SPEC_CLASS_NONE, 1, 0}, @@ -405,6 +411,7 @@ static const struct riscv_ext_version riscv_ext_version_table[] = static const struct riscv_ext_version riscv_combine_info[] = { {"a", ISA_SPEC_CLASS_20191213, 2, 1}, + {"b", ISA_SPEC_CLASS_NONE, 1, 0}, {"zk", ISA_SPEC_CLASS_NONE, 1, 0}, {"zkn", ISA_SPEC_CLASS_NONE, 1, 0}, {"zks", ISA_SPEC_CLASS_NONE, 1, 0}, diff --git a/gcc/config/riscv/arch-canonicalize b/gcc/config/riscv/arch-canonicalize index 35a7fe4..2ea514d 100755 --- a/gcc/config/riscv/arch-canonicalize +++ b/gcc/config/riscv/arch-canonicalize @@ -45,6 +45,7 @@ IMPLIED_EXT = { "zabha" : ["zaamo"], "f" : ["zicsr"], + "b" : ["zba", "zbb", "zbs"], "zdinx" : ["zfinx", "zicsr"], "zfinx" : ["zicsr"], "zhinx" : ["zhinxmin", "zfinx", "zicsr"], |