From: Cherry Mui Date: Sat, 27 Dec 2025 04:18:37 +0000 (-0500) Subject: simd/archsimd: add tests for Truncate operations X-Git-Tag: go1.26rc2~7^2~29 X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e790d59674;p=gostls13.git simd/archsimd: add tests for Truncate operations For now, only include operations that input and output vectors have the same number of elements. Change-Id: I933c800ace515d8d51834d20c134090470950042 Reviewed-on: https://go-review.googlesource.com/c/go/+/732860 LUCI-TryBot-Result: Go LUCI Reviewed-by: David Chase Auto-Submit: David Chase --- diff --git a/src/simd/archsimd/internal/simd_test/unary_test.go b/src/simd/archsimd/internal/simd_test/unary_test.go index 561709841d..088cab68fa 100644 --- a/src/simd/archsimd/internal/simd_test/unary_test.go +++ b/src/simd/archsimd/internal/simd_test/unary_test.go @@ -194,3 +194,23 @@ func TestExtend(t *testing.T) { testUint32x8ConvertToUint64(t, archsimd.Uint32x8.ExtendToUint64, map1[uint32](toUint64)) } } + +func TestTruncate(t *testing.T) { + if archsimd.X86.AVX512() { + testInt16x16ConvertToInt8(t, archsimd.Int16x16.TruncateToInt8, map1[int16](toInt8)) + testInt16x32ConvertToInt8(t, archsimd.Int16x32.TruncateToInt8, map1[int16](toInt8)) + testInt32x16ConvertToInt8(t, archsimd.Int32x16.TruncateToInt8, map1[int32](toInt8)) + testInt32x8ConvertToInt16(t, archsimd.Int32x8.TruncateToInt16, map1[int32](toInt16)) + testInt32x16ConvertToInt16(t, archsimd.Int32x16.TruncateToInt16, map1[int32](toInt16)) + testInt64x8ConvertToInt16(t, archsimd.Int64x8.TruncateToInt16, map1[int64](toInt16)) + testInt64x8ConvertToInt32(t, archsimd.Int64x8.TruncateToInt32, map1[int64](toInt32)) + + testUint16x16ConvertToUint8(t, archsimd.Uint16x16.TruncateToUint8, map1[uint16](toUint8)) + testUint16x32ConvertToUint8(t, archsimd.Uint16x32.TruncateToUint8, map1[uint16](toUint8)) + testUint32x16ConvertToUint8(t, archsimd.Uint32x16.TruncateToUint8, map1[uint32](toUint8)) + testUint32x8ConvertToUint16(t, archsimd.Uint32x8.TruncateToUint16, map1[uint32](toUint16)) + testUint32x16ConvertToUint16(t, archsimd.Uint32x16.TruncateToUint16, map1[uint32](toUint16)) + testUint64x8ConvertToUint16(t, archsimd.Uint64x8.TruncateToUint16, map1[uint64](toUint16)) + testUint64x8ConvertToUint32(t, archsimd.Uint64x8.TruncateToUint32, map1[uint64](toUint32)) + } +}