powerpc: Fix usage of 64-bit instruction in 32-bit altivec code
e821ea70 introduced a bug by copying some 64-bit originated code as-is to be used by both 32 and 64-bit but this code contains a 64-bit ony "cmpdi" instruction. This changes it to cmpwi, which is fine since VRSAVE can only contains a 32-bit value anyway. Signed-off-by:Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: <stable@kernel.org>
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bcd6acd5
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