go source for verification 2026-05-22

2026-05-22 16:44:48 +08:00
commit 3ae432d492
14992 changed files with 3674967 additions and 0 deletions
--- a/test/simd/bug1.go
+++ b/test/simd/bug1.go
@@ -0,0 +1,81 @@
+// compile
+
+//go:build amd64 && goexperiment.simd
+
+// Copyright 2025 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test case for ICE on picking the wrong type for the spill slot.
+
+package p
+
+import (
+	"simd/archsimd"
+	"unsafe"
+)
+
+func F(
+	dst *[2][4][4]float32,
+	tos *[2][4][4]float32,
+	blend int,
+) {
+	tiny := archsimd.BroadcastFloat32x8(0)
+	for {
+		dstCol12 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[0][0:]))))
+		dstCol34 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[0][2:]))))
+		dstCol56 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[1][0:]))))
+		dstCol78 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[1][2:]))))
+
+		tosCol12 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(tos[0][0:]))))
+		tosCol34 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(tos[0][2:]))))
+		tosCol56 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(tos[1][0:]))))
+		tosCol78 := archsimd.LoadFloat32x8((*[8]float32)(unsafe.Pointer((*[2][4]float32)(tos[1][2:]))))
+
+		var Cr0, Cr1, Cr2 archsimd.Float32x8
+		if blend != 0 {
+			invas := tosCol78.Max(tiny)
+			invad := dstCol78.Max(tiny)
+			Cd0 := dstCol12.Mul(invad)
+			Cd1 := dstCol34.Mul(invad)
+			Cd2 := dstCol56.Mul(invad)
+			Cs0 := tosCol12.Mul(invas)
+			Cs1 := tosCol34.Mul(invas)
+			Cs2 := tosCol56.Mul(invas)
+			var Cm0, Cm1, Cm2 archsimd.Float32x8
+			switch blend {
+			case 4:
+			case 10:
+			case 11:
+			case 8:
+			case 5:
+			case 1:
+			case 0:
+				Cm1 = Cs1
+			case 2:
+				Cm0 = Cd0.Add(Cs0)
+				Cm1 = Cd1.Add(Cs1)
+				Cm2 = Cd2.Add(Cs2)
+			}
+			Cr0 = dstCol78.Mul(Cs0).Mul(Cm0)
+			Cr1 = dstCol78.Mul(Cs1).Mul(Cm1)
+			Cr2 = dstCol78.Mul(Cs2).Mul(Cm2)
+		}
+		var resR, resG, resB, resA archsimd.Float32x8
+		if blend == 0 {
+			resR = tosCol12
+			resG = tosCol34
+			resB = tosCol56
+			resA = tosCol78
+		} else {
+			resR = Cr0.Add(dstCol12)
+			resG = Cr1.Add(dstCol34)
+			resB = Cr2.Add(dstCol56)
+		}
+
+		resR.Store((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[0][0:2]))))
+		resG.Store((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[0][2:4]))))
+		resB.Store((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[1][0:2]))))
+		resA.Store((*[8]float32)(unsafe.Pointer((*[2][4]float32)(dst[1][2:4]))))
+	}
+}