D33162.id99344.diff
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	diff --git a/sys/sys/libkern.h b/sys/sys/libkern.h
	--- a/sys/sys/libkern.h
	+++ b/sys/sys/libkern.h
	@@ -226,6 +226,22 @@
	return (strrchr(p, ch));
	}

	+static __inline int64_t
	+signed_extend64(uint64_t bitmap, int lsb, int width)
	+{
	+
	+ return ((int64_t)(bitmap << (63 - lsb - (width - 1)))) >>
	+ (63 - (width - 1));
	+}
	+
	+static __inline int32_t
	+signed_extend32(uint32_t bitmap, int lsb, int width)
	+{
	+
	+ return ((int32_t)(bitmap << (31 - lsb - (width - 1)))) >>
	+ (31 - (width - 1));
	+}
	+
	/* fnmatch() return values. */
	#define FNM_NOMATCH 1 /* Match failed. */