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...v7 with optimizations turned on (O2, O3 or Os), the binary generated led to a crash. The issue can't be reproduced when using GCC 4.2. It can't be reproduced with Clang when the optimization is turned off (O0). This issue can be reproduced with Xcode 4.2.1 and Xcode 4.3 Developer Preview 3 (4E71d). The LLVM optimizer coalesces two loads into an ARM 'ldrd' double-load instruction. Unfortunately, some ARM hardware platforms (including all of Apple's) support misaligned accesses for single-register loads and stores ('ldr' and 'str' instructions), but not for double...

...timizations turned on (O2, O3 or Os), the binary generated led to a crash. > The issue can't be reproduced when using GCC 4.2. It can't be reproduced with Clang when the optimization is turned off (O0). > This issue can be reproduced with Xcode 4.2.1 and Xcode 4.3 Developer Preview 3 (4E71d). > > The LLVM optimizer coalesces two loads into an ARM 'ldrd' double-load instruction. Unfortunately, some ARM hardware platforms (including all of Apple's) support misaligned accesses for single-register loads and stores ('ldr' and 'str' instructions), but not...

...ons turned on (O2, O3 or Os), the binary generated led to a crash. >> The issue can't be reproduced when using GCC 4.2. It can't be reproduced with Clang when the optimization is turned off (O0). >> This issue can be reproduced with Xcode 4.2.1 and Xcode 4.3 Developer Preview 3 (4E71d). >> >> The LLVM optimizer coalesces two loads into an ARM 'ldrd' double-load instruction. Unfortunately, some ARM hardware platforms (including all of Apple's) support misaligned accesses for single-register loads and stores ('ldr' and 'str' instructions),...