t.p.northover added inline comments. ================ Comment at: lib/Driver/ToolChain.cpp:485 @@ +484,3 @@ + if ((ARM::parseArchProfile(Suffix) == ARM::PK_M) || + (InputType != types::TY_PP_Asm && + Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault))) ---------------- rengolin wrote: > labrinea wrote: > > Alternatively we could remove the check of InputType. I am not sure why > > this and the above comment are present anyway. > I agree with you, this logic is inconsistent. > > Historically, ARM assembly (especially inline assembly) is assumed ARM unless > told otherwise. This is why you have to specify ".thumb" and not ".arm". > However, that doesn't mean the assembly file *has* to be ARM, even if the > arch name is "thumbvN" or if "-mthumb" is specified. > > Not even GNU tools behave in such odd ways, so I think we should be > consistent. If the triple is thumb, asm is thumb. If we have -mthumb, asm is > thumb. If not, it's arm. Precisely how everything else works, so it's only > logical that we should remove the InputType check. I suspect the issue is with our weirdness. When I remove the TY_PP_Asm check "clang -arch armv7 -c tmp.s" defaults to Thumb-mode. I think I'd be lynched by the OS-folks if that changed.
(That's basically the entire content of the Radar Chad referred to in his original addition). http://reviews.llvm.org/D14121 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits