On Tue, May 12, 2015 at 8:43 PM, Jakub Jelinek <ja...@redhat.com> wrote: > Hi! > > This patch improves expansion of __builtin_mul_overflow for HImode, both > signed and unsigned, on x86_64/i686. > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk? > > 2015-05-12 Jakub Jelinek <ja...@redhat.com> > > PR target/66112 > * config/i386/i386.md (mulv<mode>4, umulv<mode>4, *umulv<mode>4): > Use SWI248 iterator instead of SWI. > (*mulv<mode>4_1): Use SWI48 instead of SWI. Simplify output template. > Use eq_attr "alternative" "0" instead of match_test in > length_immediate attribute computation. > (*mulvhi4, *mulvhi4_1): New define_insns. > > * gcc.target/i386/pr66112-2.c: New test.
OK for mainline. Thanks, Uros.
