================ @@ -1056,6 +1056,23 @@ def CC_Intel_OCL_BI : CallingConv<[ CCDelegateTo<CC_X86_32_C> ]>; +def CC_X86_64_Preserve_None : CallingConv<[ + // We don't preserve general registers, so all of them can be used to pass + // arguments except + // - RBP frame pointer + // - R10 'nest' parameter + // - RBX base pointer + // - R16 - R31 these are not available everywhere ---------------- KanRobert wrote:
I won't expect this from the name `preserve_none`. R16-R31 should be used to pas arguments when they're available. https://github.com/llvm/llvm-project/pull/76868 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
