On Wed, Jan 8, 2020 at 8:48 AM Jakub Jelinek wrote:
>
> Hi!
>
> Joseph reported ia32 glibc build ICEs, because the
> *adddi3_doubleword_cc_overflow_1 pattern allows a memory output and matching
> input, but addcarry* to which it splits doesn't, for some strange
> reason it only allows register out
Hi!
Joseph reported ia32 glibc build ICEs, because the
*adddi3_doubleword_cc_overflow_1 pattern allows a memory output and matching
input, but addcarry* to which it splits doesn't, for some strange
reason it only allows register output. As it emits an adc instruction
which is very similar to add,