MaskRay added a comment.
Created a GCC feature request:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109349
The subject and summary should be fixed and `-march=help` references should be
removed.
================
Comment at: clang/lib/Driver/Driver.cpp:4236
+
+ // Use the -march=help flag as the dummy input to cc1.
+ Actions.clear();
----------------
Why is the code needed? Can --print-supported-extensions reuse the approach of
`OPT_print_supported_cpus`?
================
Comment at: clang/lib/Driver/Driver.cpp:4232
+ if (!C.getDefaultToolChain().getTriple().isRISCV()) {
+ llvm::errs() << "The -march=help only supports for RISC-V target.\n";
+ return;
----------------
craig.topper wrote:
> "-march=help is only supported for RISC-V"
The convention is to use `Diag(...)`.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D146054/new/
https://reviews.llvm.org/D146054
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