On 5 July 2016 at 13:24, Vijay Kilari <vijay.kil...@gmail.com> wrote: > On Sat, Jul 2, 2016 at 3:37 AM, Richard Henderson <r...@twiddle.net> wrote: >> Consider >> >> #define VECTYPE uint32x4_t >> #define ALL_EQ(v1, v2) (vmaxvq_u32((v1) ^ (v2)) == 0) >> >> >> which compiles down to >> >> 1c: 6e211c00 eor v0.16b, v0.16b, v1.16b >> 20: 6eb0a800 umaxv s0, v0.4s >> 24: 1e260000 fmov w0, s0 >> 28: 6b1f001f cmp w0, wzr >> 2c: 1a9f17e0 cset w0, eq >> 30: d65f03c0 ret > > For me this code compiles as below and migration time is ~100ms more.
Thanks for benchmarking this. I'll take your original patch into target-arm.next. -- PMM
