From 2a90c41a131080e5fdd2b5554fcdba5c654cb93f Mon Sep 17 00:00:00 2001 From: Edwin Lu Date: Wed, 10 Jul 2024 09:44:48 -0700 Subject: 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 --- gcc/common/config/riscv/riscv-common.cc | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'gcc/common') 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}, -- cgit v1.1