diff options
Diffstat (limited to 'test/codegen')
| -rw-r--r-- | test/codegen/bitfield.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/codegen/bitfield.go b/test/codegen/bitfield.go index 8327da6cf8..11f31ecf25 100644 --- a/test/codegen/bitfield.go +++ b/test/codegen/bitfield.go @@ -321,6 +321,12 @@ func ubfx15(x uint64) bool { return false } +// merge ANDconst and ubfx into ubfx +func ubfx16(x uint64) uint64 { + // arm64:"UBFX\t[$]4, R[0-9]+, [$]6",-"AND\t[$]63" + return ((x >> 3) & 0xfff) >> 1 & 0x3f +} + // Check that we don't emit comparisons for constant shifts. //go:nosplit func shift_no_cmp(x int) int { |