Adding upstream version 1.20.14.upstream/1.20.14upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/src/cmd/compile/internal/ssa/rewritePPC64latelower.go b/src/cmd/compile/internal/ssa/rewritePPC64latelower.go
new file mode 100644
index 0000000..d687f59
--- /dev/null
+++ b/src/cmd/compile/internal/ssa/rewritePPC64latelower.go
@@ -0,0 +1,49 @@
+// Code generated from _gen/PPC64latelower.rules; DO NOT EDIT.
+// generated with: cd _gen; go run .
+
+package ssa
+
+func rewriteValuePPC64latelower(v *Value) bool {
+	switch v.Op {
+	case OpPPC64ISEL:
+		return rewriteValuePPC64latelower_OpPPC64ISEL(v)
+	}
+	return false
+}
+func rewriteValuePPC64latelower_OpPPC64ISEL(v *Value) bool {
+	v_2 := v.Args[2]
+	v_1 := v.Args[1]
+	v_0 := v.Args[0]
+	// match: (ISEL [a] x (MOVDconst [0]) z)
+	// result: (ISELZ [a] x z)
+	for {
+		a := auxIntToInt32(v.AuxInt)
+		x := v_0
+		if v_1.Op != OpPPC64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
+			break
+		}
+		z := v_2
+		v.reset(OpPPC64ISELZ)
+		v.AuxInt = int32ToAuxInt(a)
+		v.AddArg2(x, z)
+		return true
+	}
+	// match: (ISEL [a] (MOVDconst [0]) y z)
+	// result: (ISELZ [a^0x4] y z)
+	for {
+		a := auxIntToInt32(v.AuxInt)
+		if v_0.Op != OpPPC64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
+			break
+		}
+		y := v_1
+		z := v_2
+		v.reset(OpPPC64ISELZ)
+		v.AuxInt = int32ToAuxInt(a ^ 0x4)
+		v.AddArg2(y, z)
+		return true
+	}
+	return false
+}
+func rewriteBlockPPC64latelower(b *Block) bool {
+	return false
+}