diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewrite.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewrite.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/rewrite.go b/src/cmd/compile/internal/ssa/rewrite.go index 162d42773a..79f9efaebf 100644 --- a/src/cmd/compile/internal/ssa/rewrite.go +++ b/src/cmd/compile/internal/ssa/rewrite.go @@ -1567,6 +1567,10 @@ func rotateLeft32(v, rotate int64) int64 { return int64(bits.RotateLeft32(uint32(v), int(rotate))) } +func rotateRight64(v, rotate int64) int64 { + return int64(bits.RotateLeft64(uint64(v), int(-rotate))) +} + // encodes the lsb and width for arm(64) bitfield ops into the expected auxInt format. func armBFAuxInt(lsb, width int64) arm64BitField { if lsb < 0 || lsb > 63 { |