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[Bug target/52055] load of 64-bit pointer reads 64 bits even when only 32 are used
- From: "jhaberman at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 31 Jan 2012 17:23:51 +0000
- Subject: [Bug target/52055] load of 64-bit pointer reads 64 bits even when only 32 are used
- Auto-submitted: auto-generated
- References: <bug-52055-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52055
--- Comment #2 from Josh Haberman <jhaberman at gmail dot com> 2012-01-31 17:23:51 UTC ---
Is there any requirement that you trap if the 64-bit read would have trapped?
Aren't unaligned reads undefined behavior that only happen to work on x86-64?