Re: [patch] Fix PR middle-end/92071

2020-03-13 Thread Richard Biener via Gcc-patches
On Fri, Mar 13, 2020 at 8:37 AM Eric Botcazou wrote: > > Hi, > > this is a regression present on the mainline for the ARM in the form of an > assertion failure at -O2 in the back-end, which rightfully refuses to generate > a load from an unaligned memory location (the ARM target is strict-alignmen

[patch] Fix PR middle-end/92071

2020-03-13 Thread Eric Botcazou
Hi, this is a regression present on the mainline for the ARM in the form of an assertion failure at -O2 in the back-end, which rightfully refuses to generate a load from an unaligned memory location (the ARM target is strict-alignment). It comes from a __builtin_memcpy generating: MEM [(char