This patch series adds support for -march=native. It detects the supported extensions through hwprobe and /proc/cpuinfo, and includes /proc/cpuinfo data from several real machines in the tests.
Kito Cheng (3): RISC-V: Move the hwprobe interface description into a .def file RISC-V: Support -march=native on Linux hosts RISC-V: Fall back on /proc/cpuinfo when hwprobe is unavailable gcc/common/config/riscv/riscv-common.cc | 15 +- gcc/common/config/riscv/riscv-hwprobe.def | 146 +++++++ gcc/common/config/riscv/riscv-hwprobe.h | 91 +++++ gcc/config.host | 8 + gcc/config/riscv/driver-riscv.cc | 378 ++++++++++++++++++ gcc/config/riscv/riscv-subset.h | 1 + gcc/config/riscv/riscv.h | 19 +- gcc/config/riscv/x-riscv | 6 + gcc/doc/invoke.texi | 10 + .../gcc.target/riscv/cpunative/info_0 | 20 + .../gcc.target/riscv/cpunative/info_1 | 10 + .../gcc.target/riscv/cpunative/info_2 | 39 ++ .../gcc.target/riscv/cpunative/info_3 | 71 ++++ .../gcc.target/riscv/cpunative/info_4 | 287 +++++++++++++ .../gcc.target/riscv/cpunative/native_cpu_0.c | 17 + .../gcc.target/riscv/cpunative/native_cpu_1.c | 17 + .../gcc.target/riscv/cpunative/native_cpu_2.c | 14 + .../gcc.target/riscv/cpunative/native_cpu_3.c | 18 + .../gcc.target/riscv/cpunative/native_cpu_4.c | 17 + .../gcc.target/riscv/cpunative/native_cpu_5.c | 16 + .../gcc.target/riscv/cpunative/native_cpu_6.c | 22 + .../riscv/cpunative/riscv-cpunative.exp | 35 ++ .../gcc.target/riscv/march-native-1.c | 21 + gcc/testsuite/lib/target-supports.exp | 14 + libgcc/config/riscv/feature_bits.c | 194 +-------- 25 files changed, 1293 insertions(+), 193 deletions(-) create mode 100644 gcc/common/config/riscv/riscv-hwprobe.def create mode 100644 gcc/common/config/riscv/riscv-hwprobe.h create mode 100644 gcc/config/riscv/driver-riscv.cc create mode 100644 gcc/config/riscv/x-riscv create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/info_0 create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/info_1 create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/info_2 create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/info_3 create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/info_4 create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/native_cpu_0.c create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/native_cpu_1.c create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/native_cpu_2.c create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/native_cpu_3.c create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/native_cpu_4.c create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/native_cpu_5.c create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/native_cpu_6.c create mode 100644 gcc/testsuite/gcc.target/riscv/cpunative/riscv-cpunative.exp create mode 100644 gcc/testsuite/gcc.target/riscv/march-native-1.c -- 2.53.0
