Re: [avr-gcc-list] AVR C calling convention not matching spec

2016-12-20 Thread Dylan McKay
I think you're correct. When I use the on-chip test tool, linking LLVM generated code to GCC generated code, everything works fine, even when I have multiple 64-bit arguments being passed. Thanks for the help Pitchumani! On Tue, Dec 20, 2016 at 5:54 AM, Pitchumani Sivanupandi <

Re: [avr-gcc-list] AVR C calling convention not matching spec

2016-12-19 Thread Pitchumani Sivanupandi
On Sunday 11 December 2016 07:13 AM, Dylan McKay wrote: Hey all, I'm working on the AVR backend for LLVM. I'm looking into an issue where the current LLVM implementation of the AVR C calling convention is not matching the assembly of what GCC is generating. On top of that, when I run