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@@ -210,6 +210,41 @@ Note: - spike only support rv64* bare-metal/elf toolchain. - gdb simulator only support bare-metal/elf toolchain. +#### Selecting the tests to run in GCC's regression test suite + +By default GCC will execute all tests of its regression test suite. +While running them in parallel (e.g. `make -j$(nproc) report`) will +significanlty speed up the execution time on multi-processor systems, +the required time for executing all tests is usually too high for +typical development cycles. Therefore GCC allows to select the tests +that are being executed using the environment variable `RUNTESTFLAGS`. + +To restrict a test run to only RISC-V specific tests +the following command can be used: + + RUNTESTFLAGS="riscv.exp" make report + +To to restrict a test run to only RISC-V specific tests with match the +pattern "zb*.c" and "sm*.c" the following command can be used: + + RUNTESTFLAGS="riscv.exp=zb*.c\ sm*.c" make report + +#### Testing GCC, Binutils, and glibc of a Linux toolchain + +The default Makefile target to run toolchain tests is `report`. +This will run all tests of the GCC regression test suite. +Alternatively, the following command can be used to do the same: + + make check-gcc + +The following command can be used to run the Binutils tests: + + make check-binutils + +The command below can be used to run the glibc tests: + + make check-glibc-linux + ### Development This section is only for developer or advanced user, or you want to build |