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[dev.simd] cmd/compile: add EXTRACT[IF]128 instructions

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This is generated by simdgen CL 684080
and should be submitted after it.

Also includes tests.

Change-Id: I1d680911134d8fb92f4deccae4ec373f3ed9f752
Reviewed-on: https://go-review.googlesource.com/c/go/+/684115
Reviewed-by: Junyang Shao <shaojunyang@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
David Chase 2025-06-25 18:20:50 -04:00
parent 292db9b676
commit 43a61aef56
10 changed files with 425 additions and 0 deletions
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88
src/simd/simd_test.go
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@ -161,6 +161,22 @@ func checkInt8Slices(t *testing.T, a, b []int8) {
}
}
func checkFloat32Slices(t *testing.T, a, b []float32) {
for i := range b {
if a[i] != b[i] {
t.Errorf("a and b differ at index %d, a=%3.0f, b=%3.0f", i, a[i], b[i])
}
}
}
func checkFloat64Slices(t *testing.T, a, b []float64) {
for i := range b {
if a[i] != b[i] {
t.Errorf("a and b differ at index %d, a=%3.0f, b=%3.0f", i, a[i], b[i])
}
}
}
func TestSlicesInt8(t *testing.T) {
a := []int8{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}
@ -209,6 +225,78 @@ func TestSlicesInt8Set128(t *testing.T) {
checkInt8Slices(t, a, b[16:])
}
func TestSlicesInt8Get128(t *testing.T) {
a := []int8{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}
u := simd.LoadInt8x32Slice(a) // 1-32
v := u.Get128(0) // 1-16
w := u.Get128(1) // 17-32
b := make([]int8, 32, 32)
v.StoreSlice(b[:16])
w.StoreSlice(b[16:])
checkInt8Slices(t, a, b)
}
func TestSlicesFloat32Set128(t *testing.T) {
a := []float32{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}
v := simd.LoadFloat32x4Slice(a) // 1-4
u := simd.LoadFloat32x8Slice(a) // 1-4
w := u.Set128(1, v) // 1-4:1-4
b := make([]float32, 8, 8)
w.StoreSlice(b)
checkFloat32Slices(t, a, b[:4])
checkFloat32Slices(t, a, b[4:])
}
func TestSlicesFloat32Get128(t *testing.T) {
a := []float32{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}
u := simd.LoadFloat32x8Slice(a) // 1-8
v := u.Get128(0) // 1-4
w := u.Get128(1) // 5-8
b := make([]float32, 8, 8)
v.StoreSlice(b[:4])
w.StoreSlice(b[4:])
checkFloat32Slices(t, a, b)
}
func TestSlicesFloat64Set128(t *testing.T) {
a := []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}
v := simd.LoadFloat64x2Slice(a) // 1-2
u := simd.LoadFloat64x4Slice(a) // 1-2
w := u.Set128(1, v) // 1-2:1-2
b := make([]float64, 4, 4)
w.StoreSlice(b)
checkFloat64Slices(t, a, b[:2])
checkFloat64Slices(t, a, b[2:])
}
func TestSlicesFloat64Get128(t *testing.T) {
a := []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}
u := simd.LoadFloat64x4Slice(a) // 1-4
v := u.Get128(0) // 1-2
w := u.Get128(1) // 3-4
b := make([]float64, 4, 4)
v.StoreSlice(b[:2])
w.StoreSlice(b[2:])
checkFloat64Slices(t, a, b)
}
func TestSlicesInt8TooShortLoad(t *testing.T) {
defer func() {
if r := recover(); r != nil {