peterwaller-arm added a comment. In D129135#3629860 <https://reviews.llvm.org/D129135#3629860>, @peterwaller-arm wrote:
> but I can't identify a specific worse issue at present. Thinking a little harder, one breaking case is where a callee-compiled-with-wrong-logic looks at its signature, concludes it does not need to preserve the regs (because the SVE type is in the 9th argument, for example), but is called by a different compiler which correctly implements the ABI, so neither side preserves registers which require preservation. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D129135/new/ https://reviews.llvm.org/D129135 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits