[Bug c/81294] New: _subborrow_u64 argument order inconsistent with intrinsic reference, icc

: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: andreser-gccbugs at mit dot edu Target Milestone: --- gcc expects _subborrow_u64 arguments in a different order than the one described in intel intrinsics reference and implemented

[Bug rtl-optimization/81300] New: -fpeephole2 breaks __builtin_ia32_sbb_u64, _subborrow_u64 on AMD64

Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: andreser-gccbugs at mit dot edu Target Milestone: --- Here is a short program for gcc 7.1.1 gives different output with "-O1 -fpeephole2 -m64" and "-O1 -