J forum does not accept attachments, please re-send to [email protected] or directly to me. Thanks.
On Fri, Sep 23, 2016 at 9:08 AM, Xiao-Yong Jin <[email protected]> wrote: > Thanks Bill for the guidance. I've looked into the ABI's for ppc64 and > x86_64. > > Attached is a patch to fix cd for correctly passing floating point values > under linux_ppc64, linux_x86_64, and darwin_x86_64. > > On linux ppc64, I tested with RHEL on a power7. Single precision floating > point numbers are now correctly passed. The first 13 of both single and > double precision numbers are passed via registers, and the rest are correctly > pushed to stack with other arguments. > > On x86_64, I tested with both linux and darwin. The patch lifts the > restriction of 8 floating point scalars. Extra single or double precision > floating point numbers are correctly pushed to stack. Now you will never > have to see the cd domain error "7 0 - system limit - linux64 max 8 > float/double scalars". We can remove this line from our dictionary. > > I imagine it would take minimal changes to apply to other x86_64 systems. > Though I don't have the OS to test, but I'd be glad to explain and help out. > > Best, > Xiao-Yong > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
