On Tue, Feb 28, 2017 at 04:02:00PM -0600, Aaron Sawdey wrote: > This showed up in power9 code for __divkf3 software float support and > caused a divd to be emitted where we needed a divdu. OK for trunk if > bootstrap/regtest passes?
Yes, certainly. Thanks! Segher > --- ../trunk/gcc/config/rs6000/rs6000.md (revision 245787) > +++ ../trunk/gcc/config/rs6000/rs6000.md (working copy) > @@ -3161,7 +3161,7 @@ > && ! reg_mentioned_p (operands[3], operands[1]) > && ! reg_mentioned_p (operands[3], operands[2])" > [(set (match_dup 0) > - (div:GPR (match_dup 1) > + (udiv:GPR (match_dup 1) > (match_dup 2))) > (set (match_dup 3) > (mult:GPR (match_dup 0) > > 2017-02-28 Aaron Sawdey <acsaw...@linux.vnet.ibm.com> > > PR target/79752 > * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit > udiv rather than div since input pattern is unsigned.
