On Wed, May 6, 2015 at 8:22 AM, Alan Modra wrote:
> Using a plain [(const_int 0)] for a nop pattern apparently no longer
> survives optimization. rtl_dce deletes these nops. This patch uses
> an unspec so that explicitly inserted nops are kept.
> Fixing that revealed a number of patterns and spl
Using a plain [(const_int 0)] for a nop pattern apparently no longer
survives optimization. rtl_dce deletes these nops. This patch uses
an unspec so that explicitly inserted nops are kept.
Fixing that revealed a number of patterns and splitters that
accidentally inserted [(const_int 0)] insns int
