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With normal FP, this doesn't have much affect on the generated code, because most of the FP operations are not CONST/PURE, and so we spill registers in about the same frequency as the explicit load/stores. But with Loongson multimedia instructions, which are all integral and whose helpers are in fact CONST+PURE, this greatly improves the code. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>