Date: Tue, 5 Jan 2016 10:27:57 -0800 From: Mark Millard <markmi@dsl-only.net> To: freebsd-arm <freebsd-arm@freebsd.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org> Subject: Bug 205663 Clang getting Bus Errors (arm SCLTR Bit[12]==1 context): Reported fixed on llvm's trunk Message-ID: <C90F0ABA-3C59-4FE1-AAB4-99F8FF32FB24@dsl-only.net>
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llvm.org's Bugzilla reports that clang trunk has been fixed and clang 3.8 will contain the fixes: James Molloy changed bug 25958 What Removed Added Status NEW RESOLVED Resolution --- FIXED Comment # 8 on bug 25958 from James Molloy Hi Mark, Thanks for your detailed investigation. I can confirm that this is fixed on trunk and therefore will be fixed for LLVM 3.8. The fixes were done for SPARC, which requires strict accesses much as ARM does with SCTLR=1. There was a sequence of commits by James Knight that fixed these, but an example is http://reviews.llvm.org/rL242554 . The fixes were in a similar vein to yours, but required changes in fewer places and there were a few more sticky issues to solve too. I'll CC James here in case he wants to comment on the current state of the clang codebase for self-hosting in a strict alignment environment. Cheers, James === Mark Millard markmi at dsl-only.net
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