> Simple LRA algorithms switch off hard register splitting, so there might > a slightly bigger chance for occurring "can find reload register" error > (e.g. when -O0 -fschedule-insns is used). But this error is still not > solved in general case and in my experience the chance for this error is > even bigger for optimized modes than for -O0 with simple LRA algorithms.
I see, thanks for the explanation. So this could occur for register varuables or something along these lines? > Saying that I believe the patch is OK for the trunk. OK, let's see how it fares. We have been using it with a GCC 9 compiler for some time, without any problem so far. -- Eric Botcazou
