diff options
Diffstat (limited to 'test/codegen/arithmetic.go')
| -rw-r--r-- | test/codegen/arithmetic.go | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/test/codegen/arithmetic.go b/test/codegen/arithmetic.go index 42d5d2ef65..9443d812dc 100644 --- a/test/codegen/arithmetic.go +++ b/test/codegen/arithmetic.go @@ -318,13 +318,28 @@ func MergeMuls5(a, n int) int { // Multiplications folded negation func FoldNegMul(a int) int { - // loong64:"SUBVU" "ALSLV [$]2" "ALSLV [$]1" - return (-a) * 11 + // amd64:"IMUL3Q [$]-11" -"NEGQ" + // arm64:"MOVD [$]-11" "MUL" -"NEG" + // loong64:"ALSLV [$]2" "SUBVU" "ALSLV [$]4" + // riscv64:"MOV [$]-11" "MUL" -"NEG" + return -a * 11 } func Fold2NegMul(a, b int) int { + // amd64:"IMULQ" -"NEGQ" + // arm64:"MUL" -"NEG" // loong64:"MULV" -"SUBVU R[0-9], R0," - return (-a) * (-b) + // riscv64:"MUL" -"NEG" + return -a * -b +} + +func Mul32(a, b int32) int64 { + // arm64:"SMULL" -"MOVW" + return int64(a) * int64(b) +} +func Mul32U(a, b uint32) uint64 { + // arm64:"UMULL" -"MOVWU" + return uint64(a) * uint64(b) } // -------------- // |