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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>
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@ -35,37 +35,3 @@ func (f *bitset16) set(mask uint16, b bool) {
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*(*uint16)(f) &^= mask
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}
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}
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type bitset32 uint32
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func (f *bitset32) set(mask uint32, b bool) {
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if b {
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*(*uint32)(f) |= mask
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} else {
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*(*uint32)(f) &^= mask
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}
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}
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func (f bitset32) get2(shift uint8) uint8 {
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return uint8(f>>shift) & 3
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}
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// set2 sets two bits in f using the bottom two bits of b.
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func (f *bitset32) set2(shift uint8, b uint8) {
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// Clear old bits.
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*(*uint32)(f) &^= 3 << shift
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// Set new bits.
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*(*uint32)(f) |= uint32(b&3) << shift
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}
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func (f bitset32) get3(shift uint8) uint8 {
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return uint8(f>>shift) & 7
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}
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// set3 sets three bits in f using the bottom three bits of b.
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func (f *bitset32) set3(shift uint8, b uint8) {
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// Clear old bits.
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*(*uint32)(f) &^= 7 << shift
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// Set new bits.
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*(*uint32)(f) |= uint32(b&7) << shift
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}
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