http://llvm.org/bugs/show_bug.cgi?id=18006
Bug ID: 18006
Summary: Some alignment differences with gcc 4.8
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
It looks like gcc 4.8 will
1) Align arrays >= 32 bytes to 32 bytes.
2) Align arrays >= 16 bytes to 16 bytes.
3) Align the stack to 16 bytes with -m32.
4) Align the stack to 32 bytes with -m64.
5) Align vlas to 16 bytes.
Item 5 is almost certainly a bug in gcc. We implement 3 and 2 (on 64 bits), but
not 1 or 4.
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