// frames at some point after collecting the stack. So
	// we need extra space in order to avoid getting fewer than the
	// desired maximum number of frames after expansion.
	// This should be at least as large as the largest skip value
	// used for profiling; otherwise stacks may be truncated inconsistently
	maxSkip = 5

	// maxProfStackDepth is the highest valid value for debug.profstackdepth.
	// It's used for the bucket.stk func.

	// or use the GODEBUG=tlskyber=0 environment variable.
	CurvePreferences []CurveID

	// DynamicRecordSizingDisabled disables adaptive sizing of TLS records.
	// When true, the largest possible TLS record size is always used. When
	// false, the size of TLS records may be adjusted in an attempt to
	// improve latency.
	DynamicRecordSizingDisabled bool

(MOVBreg y:(ANDconst [c] _)) && uint64(c) <= 0x7F => y
(MOVHreg y:(ANDconst [c] _)) && uint64(c) <= 0x7FFF => y
(MOVWreg y:(ANDconst [c] _)) && uint64(c) <= 0xFFFF => y // 0xFFFF is largest immediate constant, when regarded as 32-bit is > 0
(MOVWreg y:(AND (MOVDconst [c]) _)) && uint64(c) <= 0x7FFFFFFF => y

// small and of zero-extend => either zero-extend or small and