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[Bug rtl-optimization/74585] powerpc64: Very poor code generation for homogeneous vector aggregates passed in registers
- From: "wschmidt at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 12 Aug 2016 18:09:53 +0000
- Subject: [Bug rtl-optimization/74585] powerpc64: Very poor code generation for homogeneous vector aggregates passed in registers
- Authentication-results: sourceware.org; auth=none
- Auto-submitted: auto-generated
- References: <bug-74585-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=74585
--- Comment #8 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
FYI, adding -mcpu=power9 to the options makes it much easier to read the RTL,
as it gets rid of the extra vector swaps needed for POWER8.