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由 Peter Maydell 提交于
Correct ldrexd and strexd code to always read and write the high word of the 64-bit value from addr+4. Also make ldrexd and strexd agree that for a 64 bit value the address in env->exclusive_addr is that of the low word. This fixes the issues reported in https://bugs.launchpad.net/qemu/+bug/670883Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NNathan Froyd <froydnj@codesourcery.com>
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