yingopq wrote:
> > I figure out another use case: > > ``` > > f: > > fadd.w $w0,$w1,$w2 > > ``` > > > > > > > > > > > > > > > > > > > > > > > > ``` > > # ./bin/clang --target=mipsel-linux-gnu -mfp64 -Wa,-mmsa -fintegrated-as -c > > xx.s > > xx.s:2:2: error: instruction requires a CPU feature not currently enabled > > fadd.w $w0,$w1,$w2 > > ^ > > ``` > > > > > > > > > > > > > > > > > > > > > > > > ``` > > # ./bin/clang --target=mipsel-linux-gnu -mfp64 -Wa,-mmsa -fno-integrated-as > > -c xx.s > > # Returns OK. > > ``` > > > > > > > > > > > > > > > > > > > > > > > > I guess that the use case of `-Wa,-mmsa` is to be compatible with some > > pre-exists software. > > So I think that I want to know that which software asks for us to add such > option? As I understand, some software may set `AS` env as "CC -Wa,XXXX". Is > it? This is a required task @FlyGoat mentioned before. https://github.com/llvm/llvm-project/pull/99615 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
