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test/codegen: add Mul* test for loong64

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Change-Id: Ica285212e4884a96fe9738b53cdc789b223bf2e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/697895
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
This commit is contained in:
Xiaolin Zhao 2025-08-21 10:36:34 +08:00 • committed by abner chenc
parent 83420974b7
commit 0aa8019e94
1 changed files with 5 additions and 0 deletions
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5
test/codegen/mathbits.go
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@ -938,6 +938,7 @@ func Sub64MPanicOnOverflowGT(a, b [2]uint64) [2]uint64 {
func Mul(x, y uint) (hi, lo uint) { func Mul(x, y uint) (hi, lo uint) {
// amd64:"MULQ" // amd64:"MULQ"
// arm64:"UMULH","MUL" // arm64:"UMULH","MUL"
// loong64:"MULV","MULHVU"
// ppc64x:"MULHDU","MULLD" // ppc64x:"MULHDU","MULLD"
// s390x:"MLGR" // s390x:"MLGR"
// mips64: "MULVU" // mips64: "MULVU"
@ -948,6 +949,7 @@ func Mul(x, y uint) (hi, lo uint) {
func Mul64(x, y uint64) (hi, lo uint64) { func Mul64(x, y uint64) (hi, lo uint64) {
// amd64:"MULQ" // amd64:"MULQ"
// arm64:"UMULH","MUL" // arm64:"UMULH","MUL"
// loong64:"MULV","MULHVU"
// ppc64x:"MULHDU","MULLD" // ppc64x:"MULHDU","MULLD"
// s390x:"MLGR" // s390x:"MLGR"
// mips64: "MULVU" // mips64: "MULVU"
@ -957,6 +959,7 @@ func Mul64(x, y uint64) (hi, lo uint64) {
func Mul64HiOnly(x, y uint64) uint64 { func Mul64HiOnly(x, y uint64) uint64 {
// arm64:"UMULH",-"MUL" // arm64:"UMULH",-"MUL"
// loong64:"MULHVU",-"MULV"
// riscv64:"MULHU",-"MUL\t" // riscv64:"MULHU",-"MUL\t"
hi, _ := bits.Mul64(x, y) hi, _ := bits.Mul64(x, y)
return hi return hi
@ -964,6 +967,7 @@ func Mul64HiOnly(x, y uint64) uint64 {
func Mul64LoOnly(x, y uint64) uint64 { func Mul64LoOnly(x, y uint64) uint64 {
// arm64:"MUL",-"UMULH" // arm64:"MUL",-"UMULH"
// loong64:"MULV",-"MULHVU"
// riscv64:"MUL\t",-"MULHU" // riscv64:"MUL\t",-"MULHU"
_, lo := bits.Mul64(x, y) _, lo := bits.Mul64(x, y)
return lo return lo
@ -972,6 +976,7 @@ func Mul64LoOnly(x, y uint64) uint64 {
func Mul64Const() (uint64, uint64) { func Mul64Const() (uint64, uint64) {
// 7133701809754865664 == 99<<56 // 7133701809754865664 == 99<<56
// arm64:"MOVD\t[$]7133701809754865664, R1", "MOVD\t[$]88, R0" // arm64:"MOVD\t[$]7133701809754865664, R1", "MOVD\t[$]88, R0"
// loong64:"MOVV\t[$]88, R4","MOVV\t[$]7133701809754865664, R5",-"MUL"
return bits.Mul64(99+88<<8, 1<<56) return bits.Mul64(99+88<<8, 1<<56)
} }