https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81959
Bug ID: 81959 Summary: PowerPC __float128 optimization fails with integer PRE_INC addresses Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: meissner at gcc dot gnu.org Target Milestone: --- Created attachment 42033 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42033&action=edit Sample test If you are doing 32-bit signed integer to IEEE 128-bit floating point on power9, using an array where PRE_INC addresses are used, the compiler will fail with an INSN not found error message.