Re: [PATCH] DCE dead IFN_GOMP_SIMD_LANE

2014-11-14 Thread Jeff Law
On 11/14/14 10:33, Jakub Jelinek wrote: Hi! When looking at PR59984, I've noticed that in certain cases we leave around GOMP_SIMD_LANE calls without lhs. This internal call is intentionally not ECF_CONST, we don't want it moved before the loop, and the argument is magic. But, if nothing uses it

[PATCH] DCE dead IFN_GOMP_SIMD_LANE

2014-11-14 Thread Jakub Jelinek
Hi! When looking at PR59984, I've noticed that in certain cases we leave around GOMP_SIMD_LANE calls without lhs. This internal call is intentionally not ECF_CONST, we don't want it moved before the loop, and the argument is magic. But, if nothing uses it anymore, it isn't needed. Fixed thusly,