test/codegen: port math/bits.ReverseBytes tests to codegen

And remove them from ssa_test.

Change-Id: If767af662801219774d1bdb787c77edfa6067770
Reviewed-on: https://go-review.googlesource.com/98976
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Giovanni Bajo <rasky@develer.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/test/codegen/mathbits.go b/test/codegen/mathbits.go
index a95c13caa9..2185b535b9 100644
--- a/test/codegen/mathbits.go
+++ b/test/codegen/mathbits.go
@@ -124,6 +124,36 @@ func OnesCount16(n uint16) int {
 	return bits.OnesCount16(n)
 }
 
+// ----------------------- //
+//    bits.ReverseBytes    //
+// ----------------------- //
+
+func ReverseBytes(n uint) uint {
+	//amd64:"BSWAPQ"
+	//s390x:"MOVDBR"
+	//arm64:"REV"
+	return bits.ReverseBytes(n)
+}
+
+func ReverseBytes64(n uint64) uint64 {
+	//amd64:"BSWAPQ"
+	//s390x:"MOVDBR"
+	//arm64:"REV"
+	return bits.ReverseBytes64(n)
+}
+
+func ReverseBytes32(n uint32) uint32 {
+	//amd64:"BSWAPL"
+	//s390x:"MOVWBR"
+	//arm64:"REVW"
+	return bits.ReverseBytes32(n)
+}
+
+func ReverseBytes16(n uint16) uint16 {
+	//amd64:"ROLW"
+	return bits.ReverseBytes16(n)
+}
+
 // ------------------------ //
 //    bits.TrailingZeros    //
 // ------------------------ //