MIPS: Don't assume 64-bit FP registers for FP regset
When we want to access 64-bit FP register values we can only treat consecutive registers as being consecutive in memory when the width of an FP register equals 64 bits. This assumption will not remain true once MSA support is introduced, so provide a code path which copies each 64 bit FP register value in turn when the width of an FP register differs from 64 bits. Signed-off-by: NPaul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6427/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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