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

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This CL is created by simdgen CL 684055 and
should be submitted after it.

Also includes a test.

Change-Id: I2ad7ae51d11cfc19745e866150e2eaf010d4ea49
Reviewed-on: https://go-review.googlesource.com/c/go/+/684077
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 16:06:00 -04:00
parent d8fa853b37
commit 292db9b676
10 changed files with 375 additions and 0 deletions
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16
src/simd/simd_test.go
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@ -193,6 +193,22 @@ func TestSlicesInt8GetElem(t *testing.T) {
}
}
func TestSlicesInt8Set128(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}
v := simd.LoadInt8x16Slice(a) // 1-16
u := simd.LoadInt8x32Slice(a) // 1-32
w := u.Set128(1, v) // 1-16:1-16
b := make([]int8, 32, 32)
w.StoreSlice(b)
checkInt8Slices(t, a, b[:16])
checkInt8Slices(t, a, b[16:])
}
func TestSlicesInt8TooShortLoad(t *testing.T) {
defer func() {
if r := recover(); r != nil {