cap0 = b.Cap()
		}
	}
	cap1 := b.Cap()
	// (*Buffer).grow allows for 2x capacity slop before sliding,
	// so set our error threshold at 3x.
	if cap1 > cap0*3 {
		t.Errorf("buffer cap = %d; too big (grew from %d)", cap1, cap0)
	}
}

func BenchmarkWriteByte(b *testing.B) {
	const n = 4 << 10
	b.SetBytes(n)
	buf := NewBuffer(make([]byte, n))
	for i := 0; i < b.N; i++ {
		buf.Reset()

pkg syscall (netbsd-arm64-cgo), const IPPROTO_GGP = 3
pkg syscall (netbsd-arm64-cgo), const IPPROTO_GGP ideal-int
pkg syscall (netbsd-arm64-cgo), const IPPROTO_GRE = 47
pkg syscall (netbsd-arm64-cgo), const IPPROTO_GRE ideal-int
pkg syscall (netbsd-arm64-cgo), const IPPROTO_HOPOPTS = 0
pkg syscall (netbsd-arm64-cgo), const IPPROTO_HOPOPTS ideal-int
pkg syscall (netbsd-arm64-cgo), const IPPROTO_ICMP = 1

pkg image, method (*Gray) At(int, int) color.Color
pkg image, method (*Gray) Bounds() Rectangle
pkg image, method (*Gray) ColorModel() color.Model
pkg image, method (*Gray) Opaque() bool
pkg image, method (*Gray) PixOffset(int, int) int
pkg image, method (*Gray) Set(int, int, color.Color)
pkg image, method (*Gray) SetGray(int, int, color.Gray)
pkg image, method (*Gray) SubImage(Rectangle) Image

pkg syscall (darwin-arm64), const IPPROTO_GMTP = 100
pkg syscall (darwin-arm64), const IPPROTO_GMTP ideal-int
pkg syscall (darwin-arm64), const IPPROTO_GRE = 47
pkg syscall (darwin-arm64), const IPPROTO_GRE ideal-int
pkg syscall (darwin-arm64), const IPPROTO_HELLO = 63
pkg syscall (darwin-arm64), const IPPROTO_HELLO ideal-int
pkg syscall (darwin-arm64), const IPPROTO_HMP = 20

pkg syscall (freebsd-arm64), const IPPROTO_GMTP = 100
pkg syscall (freebsd-arm64), const IPPROTO_GMTP ideal-int
pkg syscall (freebsd-arm64), const IPPROTO_GRE = 47
pkg syscall (freebsd-arm64), const IPPROTO_GRE ideal-int
pkg syscall (freebsd-arm64), const IPPROTO_HELLO = 63
pkg syscall (freebsd-arm64), const IPPROTO_HELLO ideal-int
pkg syscall (freebsd-arm64), const IPPROTO_HMP = 20

pkg syscall (freebsd-riscv64), const IPPROTO_GMTP = 100 #53466
pkg syscall (freebsd-riscv64), const IPPROTO_GMTP ideal-int #53466
pkg syscall (freebsd-riscv64), const IPPROTO_GRE = 47 #53466
pkg syscall (freebsd-riscv64), const IPPROTO_GRE ideal-int #53466
pkg syscall (freebsd-riscv64), const IPPROTO_HELLO = 63 #53466
pkg syscall (freebsd-riscv64), const IPPROTO_HELLO ideal-int #53466

pkg syscall (darwin-386), const IPPROTO_FRAGMENT = 44
pkg syscall (darwin-386), const IPPROTO_GGP = 3
pkg syscall (darwin-386), const IPPROTO_GMTP = 100
pkg syscall (darwin-386), const IPPROTO_GRE = 47
pkg syscall (darwin-386), const IPPROTO_HELLO = 63
pkg syscall (darwin-386), const IPPROTO_HMP = 20
pkg syscall (darwin-386), const IPPROTO_HOPOPTS = 0
pkg syscall (darwin-386), const IPPROTO_ICMP = 1

	../bin/go tool dist list | sed -e 's|/|-|' |
		grep -E -v '^(android|ios)' # need C toolchain even for cross-compiling
	echo linux-arm-arm5
}

selectedtargets() {
	gettargets | grep -E "$pattern"
}

# put linux first in the target list to get all the architectures up front.
linux_targets() {
	selectedtargets | grep 'linux' | sort
}

non_linux_targets() {
	selectedtargets | grep -v 'linux' | sort
}

pkg image, method (*Alpha) AlphaAt(int, int) color.Alpha
pkg image, method (*Alpha16) Alpha16At(int, int) color.Alpha16
pkg image, method (*Gray) GrayAt(int, int) color.Gray
pkg image, method (*Gray16) Gray16At(int, int) color.Gray16
pkg image, method (*NRGBA) NRGBAAt(int, int) color.NRGBA
pkg image, method (*NRGBA64) NRGBA64At(int, int) color.NRGBA64

pkg image, method (*Alpha16) SetRGBA64(int, int, color.RGBA64)
pkg image, method (*CMYK) RGBA64At(int, int) color.RGBA64
pkg image, method (*CMYK) SetRGBA64(int, int, color.RGBA64)
pkg image, method (*Gray) RGBA64At(int, int) color.RGBA64
pkg image, method (*Gray) SetRGBA64(int, int, color.RGBA64)
pkg image, method (*Gray16) RGBA64At(int, int) color.RGBA64
pkg image, method (*Gray16) SetRGBA64(int, int, color.RGBA64)