target/ppc: Move VSX fp compare insns to decodetree.

Moving the following instructions to decodetree specification:

	xvcmp{eq, gt, ge, ne}{s, d}p	: XX3-form

The changes were verified by validating that the tcg-ops generated for those
instructions remain the same which were captured using the '-d in_asm,op' flag.

Signed-off-by: Chinmay Rath <rathc@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
5 files changed