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2013-06-20powerpc/math-emu: Fix decoding of some instructionsBenjamin Herrenschmidt1-0/+11
The decoding of some instructions such as fsqrt{s} was incorrect, using the wrong registers, and thus could not work. This fixes it and also adds a couple of place holders for missing instructions. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>