diff options
Diffstat (limited to 'test/codegen/arithmetic.go')
| -rw-r--r-- | test/codegen/arithmetic.go | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/test/codegen/arithmetic.go b/test/codegen/arithmetic.go index 327be24db8..5139d1340a 100644 --- a/test/codegen/arithmetic.go +++ b/test/codegen/arithmetic.go @@ -316,14 +316,14 @@ func ConstMods(n1 uint, n2 int) (uint, int) { } // Check that divisibility checks x%c==0 are converted to MULs and rotates -func Divisible(n1 uint, n2 int) (bool, bool, bool, bool) { +func DivisibleU(n uint) (bool, bool) { // amd64:"MOVQ\t[$]-6148914691236517205","IMULQ","ROLQ\t[$]63",-"DIVQ" // 386:"IMUL3L\t[$]-1431655765","ROLL\t[$]31",-"DIVQ" // arm64:"MOVD\t[$]-6148914691236517205","MOVD\t[$]3074457345618258602","MUL","ROR",-"DIV" // arm:"MUL","CMP\t[$]715827882",-".*udiv" // ppc64:"MULLD","ROTL\t[$]63" // ppc64le:"MULLD","ROTL\t[$]63" - evenU := n1%6 == 0 + even := n%6 == 0 // amd64:"MOVQ\t[$]-8737931403336103397","IMULQ",-"ROLQ",-"DIVQ" // 386:"IMUL3L\t[$]678152731",-"ROLL",-"DIVQ" @@ -331,17 +331,21 @@ func Divisible(n1 uint, n2 int) (bool, bool, bool, bool) { // arm:"MUL","CMP\t[$]226050910",-".*udiv" // ppc64:"MULLD",-"ROTL" // ppc64le:"MULLD",-"ROTL" - oddU := n1%19 == 0 + odd := n%19 == 0 + return even, odd +} + +func Divisible(n int) (bool, bool) { // amd64:"IMULQ","ADD","ROLQ\t[$]63",-"DIVQ" // 386:"IMUL3L\t[$]-1431655765","ADDL\t[$]715827882","ROLL\t[$]31",-"DIVQ" - // arm64:"MUL","ADD\tR","ROR",-"DIV" + // arm64:"MOVD\t[$]-6148914691236517205","MOVD\t[$]3074457345618258602","MUL","ADD\tR","ROR",-"DIV" // arm:"MUL","ADD\t[$]715827882",-".*udiv" // ppc64/power8:"MULLD","ADD","ROTL\t[$]63" // ppc64le/power8:"MULLD","ADD","ROTL\t[$]63" // ppc64/power9:"MADDLD","ROTL\t[$]63" // ppc64le/power9:"MADDLD","ROTL\t[$]63" - evenS := n2%6 == 0 + even := n%6 == 0 // amd64:"IMULQ","ADD",-"ROLQ",-"DIVQ" // 386:"IMUL3L\t[$]678152731","ADDL\t[$]113025455",-"ROLL",-"DIVQ" @@ -351,9 +355,9 @@ func Divisible(n1 uint, n2 int) (bool, bool, bool, bool) { // ppc64/power9:"MADDLD",-"ROTL" // ppc64le/power8:"MULLD","ADD",-"ROTL" // ppc64le/power9:"MADDLD",-"ROTL" - oddS := n2%19 == 0 + odd := n%19 == 0 - return evenU, oddU, evenS, oddS + return even, odd } // Check that fix-up code is not generated for divisions where it has been proven that |