diff options
Diffstat (limited to 'test/codegen/arithmetic.go')
| -rw-r--r-- | test/codegen/arithmetic.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/codegen/arithmetic.go b/test/codegen/arithmetic.go index a076664e8e..8f25974376 100644 --- a/test/codegen/arithmetic.go +++ b/test/codegen/arithmetic.go @@ -451,3 +451,14 @@ func addSpecial(a, b, c uint32) (uint32, uint32, uint32) { c += 128 return a, b, c } + + +// Divide -> shift rules usually require fixup for negative inputs. +// If the input is non-negative, make sure the fixup is eliminated. +func divInt(v int64) int64 { + if v < 0 { + return 0 + } + // amd64:-`.*SARQ.*63,`, -".*SHRQ", ".*SARQ.*[$]9," + return v / 512 +} |