Paul Mackerras
5762e08344
powerpc: Don't update CR0 in emulation of popcnt, prty, bpermd instructions
The architecture shows the least-significant bit of the instruction word as reserved for the popcnt[bwd], prty[wd] and bpermd instructions, that is, these instructions never update CR0. Therefore this changes the emulation of these instructions to skip the CR0 update. Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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