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[Bug target/77308] surprisingly large stack usage for sha512 on arm
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 21 Aug 2016 19:12:41 +0000
- Subject: [Bug target/77308] surprisingly large stack usage for sha512 on arm
- Authentication-results: sourceware.org; auth=none
- Auto-submitted: auto-generated
- References: <bug-77308-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77308
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Does -fno-schedule-insns help? Sometimes the scheduler before the register
allocator causes register pressure and forces more register spills.