On 14.12.20 23:13, Richard Henderson wrote: > While testing the float128_muladd changes for s390x host, > emulating under x86_64 of course, I noticed that the code > we generate for strings of ALCGR and SLBGR is pretty awful. > > I realized that we were missing a trick: the output cc is > based only on the output (result and carry) and so we don't > need to save the inputs. And once we do that, we can use > the output carry as a direct input to the next insn. >
LGTM, @Conny, can you pick these? -- Thanks, David / dhildenb
