shithub: jxl

ref: 1e0f5fed0c530ac7dce561e2334ef3a0f7475507
dir: /builtins.arm64.s/

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TEXT __builtin_ctz(SB),1,$0
	RBITW R0, R0
	CLZW R0, R0
	RETURN

TEXT __builtin_clz(SB),1,$0
	CLZW R0, R0
	RETURN

TEXT __builtin_clzll(SB),1,$0
	CLZ R0, R0
	RETURN