cmd/compile/internal/ir: delete unused code

Change-Id: I4f7581d1f4cd8a305acc02454e032c0788d39283
Reviewed-on: https://go-review.googlesource.com/c/go/+/436646
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>

diff --git a/src/cmd/compile/internal/ir/bitset.go b/src/cmd/compile/internal/ir/bitset.go
index 0c7bd542f60bbcdf31949dd53a4fe88d6fd21e42..bae400586695b78605643db4dd23e71811bb976f 100644 (file)
--- a/src/cmd/compile/internal/ir/bitset.go
+++ b/src/cmd/compile/internal/ir/bitset.go
@@ -35,37 +35,3 @@ func (f *bitset16) set(mask uint16, b bool) {
                *(*uint16)(f) &^= mask
        }
 }
-
-type bitset32 uint32
-
-func (f *bitset32) set(mask uint32, b bool) {
-       if b {
-               *(*uint32)(f) |= mask
-       } else {
-               *(*uint32)(f) &^= mask
-       }
-}
-
-func (f bitset32) get2(shift uint8) uint8 {
-       return uint8(f>>shift) & 3
-}
-
-// set2 sets two bits in f using the bottom two bits of b.
-func (f *bitset32) set2(shift uint8, b uint8) {
-       // Clear old bits.
-       *(*uint32)(f) &^= 3 << shift
-       // Set new bits.
-       *(*uint32)(f) |= uint32(b&3) << shift
-}
-
-func (f bitset32) get3(shift uint8) uint8 {
-       return uint8(f>>shift) & 7
-}
-
-// set3 sets three bits in f using the bottom three bits of b.
-func (f *bitset32) set3(shift uint8, b uint8) {
-       // Clear old bits.
-       *(*uint32)(f) &^= 7 << shift
-       // Set new bits.
-       *(*uint32)(f) |= uint32(b&7) << shift
-}