https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91696
Bug ID: 91696 Summary: [X86] AVX512 intrinsics that only support SAE should allow (_MM_FOUND_NO_EXC|_MM_FROUND_CUR_DIRECTION) to match icc Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: craig.topper at gmail dot com Target Milestone: --- The intrinsics that only support SAE like _mm512_cmp_round_ps_mask currently only allow __MM_FROUND_NO_EXC or _MM_FROUND_CUR_DIRECTION to be specified in the sae immediate parameter. _MM_FROUND_NO_EXC isn't really the opposite of _MM_FROUND_CUR_DIRECTION based on the format of this type of immediate. _MM_FROUND_NO_EXC by itself is equivalent to (_MM_FROUND_NO_EXC|_MM_FROUND_TO_NEAREST_INT) since _MM_FROUND_TO_NEAREST_INT is 0. But these instructions don't perform any rounding so the rounding bits don't matter. It's a nice convenience that the single constants _MM_FROUND_NO_EXC and _MM_FROUND_CUR_DIRECTION can be used. But since the rounding mode doesn't matter (_MM_FROUND_CUR_DIRECTION|_MM_FROUND_NO_EXC) should also be allowed.