a846424359
Copy over the Go 1.7 runtime/internal/sys package, but instead of having
separate files for each GOARCH and GOOS value, set the values in
configure.ac and write them out in Makefile.am. Setting the values in
configure.ac should make it easier to add new processors.
Remove the automake GOARCH conditionals, which are no longer used.
Leave the GOOS conditionals for now, as they are used for the C runtime
package.
Reviewed-on: https://go-review.googlesource.com/29018
From-SVN: r240083
55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package sys_test
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import (
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"runtime/internal/sys"
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"testing"
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)
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func TestCtz64(t *testing.T) {
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for i := uint(0); i <= 64; i++ {
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x := uint64(5) << i
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if got := sys.Ctz64(x); got != uint64(i) {
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t.Errorf("Ctz64(%d)=%d, want %d", x, got, i)
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}
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}
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}
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func TestCtz32(t *testing.T) {
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for i := uint(0); i <= 32; i++ {
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x := uint32(5) << i
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if got := sys.Ctz32(x); got != uint32(i) {
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t.Errorf("Ctz32(%d)=%d, want %d", x, got, i)
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}
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}
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}
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func TestCtz16(t *testing.T) {
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for i := uint(0); i <= 16; i++ {
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x := uint16(5) << i
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if got := sys.Ctz16(x); got != uint16(i) {
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t.Errorf("Ctz16(%d)=%d, want %d", x, got, i)
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}
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}
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}
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func TestCtz8(t *testing.T) {
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for i := uint(0); i <= 8; i++ {
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x := uint8(5) << i
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if got := sys.Ctz8(x); got != uint8(i) {
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t.Errorf("Ctz8(%d)=%d, want %d", x, got, i)
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}
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}
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}
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func TestBswap64(t *testing.T) {
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x := uint64(0x1122334455667788)
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y := sys.Bswap64(x)
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if y != 0x8877665544332211 {
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t.Errorf("Bswap(%x)=%x, want 0x8877665544332211", x, y)
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}
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}
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func TestBswap32(t *testing.T) {
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x := uint32(0x11223344)
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y := sys.Bswap32(x)
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if y != 0x44332211 {
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t.Errorf("Bswap(%x)=%x, want 0x44332211", x, y)
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}
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}
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