On Wed, May 6, 2015 at 8:22 AM, Alan Modra <amo...@gmail.com> 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 splitters that > accidentally inserted [(const_int 0)] insns into rtl. > > Bootstrapped and regression tested powerpc64-linux and > powerpc64le-linux. OK for mainline? > > PR target/66033 > * config/rs6000/rs6000.md (nop): Use an unspec pattern. > (UNSPEC_NOP): Define. > (reload_vsx_from_gpr<mode>): Add missing DONE. > (reload_gpr_from_vsx<mode>): Likewise. > * config/rs6000/vsx.md (vsx_mul_v2di): Likewise. > (vsx_div_v2di, vsx_udiv_v2di): Likewise.
Okay. Thanks, David
