jroelofs added a comment. In https://reviews.llvm.org/D28820#649726, @efriedma wrote:
> Why can't the compiler handle this case itself transparently? According to > your description, the interrupt calling convention is different from the > normal hard-float AAPCS calling convention: the VFP registers are all > callee-save. The compiler knows this; it should be able to insert the > appropriate spills itself. There would be a big performance penalty for ISRs with callees that don't use VFP regs. https://reviews.llvm.org/D28820 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
