diff --git a/src/cmd/compile/internal/gc/bench_test.go b/src/cmd/compile/internal/test/bench_test.go
similarity index 98%
rename from src/cmd/compile/internal/gc/bench_test.go
rename to src/cmd/compile/internal/test/bench_test.go
index 8c4288128f2..3fffe57d082 100644
--- a/src/cmd/compile/internal/gc/bench_test.go
+++ b/src/cmd/compile/internal/test/bench_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import "testing"
 
diff --git a/src/cmd/compile/internal/gc/constFold_test.go b/src/cmd/compile/internal/test/constFold_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/constFold_test.go
rename to src/cmd/compile/internal/test/constFold_test.go
index 59f905dad96..7159f0ed33a 100644
--- a/src/cmd/compile/internal/gc/constFold_test.go
+++ b/src/cmd/compile/internal/test/constFold_test.go
@@ -1,7 +1,7 @@
 // run
 // Code generated by gen/constFoldGen.go. DO NOT EDIT.
 
-package gc
+package test
 
 import "testing"
 
diff --git a/src/cmd/compile/internal/gc/dep_test.go b/src/cmd/compile/internal/test/dep_test.go
similarity index 97%
rename from src/cmd/compile/internal/gc/dep_test.go
rename to src/cmd/compile/internal/test/dep_test.go
index a185bc9f547..26122e6a5b7 100644
--- a/src/cmd/compile/internal/gc/dep_test.go
+++ b/src/cmd/compile/internal/test/dep_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"internal/testenv"
diff --git a/src/cmd/compile/internal/gc/fixedbugs_test.go b/src/cmd/compile/internal/test/fixedbugs_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/fixedbugs_test.go
rename to src/cmd/compile/internal/test/fixedbugs_test.go
index 8ac4436947f..e7e2f7e58eb 100644
--- a/src/cmd/compile/internal/gc/fixedbugs_test.go
+++ b/src/cmd/compile/internal/test/fixedbugs_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"internal/testenv"
diff --git a/src/cmd/compile/internal/gc/float_test.go b/src/cmd/compile/internal/test/float_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/float_test.go
rename to src/cmd/compile/internal/test/float_test.go
index c619d257050..884a983bdd7 100644
--- a/src/cmd/compile/internal/gc/float_test.go
+++ b/src/cmd/compile/internal/test/float_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"math"
diff --git a/src/cmd/compile/internal/gc/global_test.go b/src/cmd/compile/internal/test/global_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/global_test.go
rename to src/cmd/compile/internal/test/global_test.go
index edad6d042a3..5f5f7d61986 100644
--- a/src/cmd/compile/internal/gc/global_test.go
+++ b/src/cmd/compile/internal/test/global_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"bytes"
diff --git a/src/cmd/compile/internal/gc/iface_test.go b/src/cmd/compile/internal/test/iface_test.go
similarity index 98%
rename from src/cmd/compile/internal/gc/iface_test.go
rename to src/cmd/compile/internal/test/iface_test.go
index 21c6587217f..ebc4f891c96 100644
--- a/src/cmd/compile/internal/gc/iface_test.go
+++ b/src/cmd/compile/internal/test/iface_test.go
@@ -2,15 +2,13 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
+
+import "testing"
 
 // Test to make sure we make copies of the values we
 // put in interfaces.
 
-import (
-	"testing"
-)
-
 var x int
 
 func TestEfaceConv1(t *testing.T) {
diff --git a/src/cmd/compile/internal/gc/inl_test.go b/src/cmd/compile/internal/test/inl_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/inl_test.go
rename to src/cmd/compile/internal/test/inl_test.go
index 02735e50fb7..9d31975b310 100644
--- a/src/cmd/compile/internal/gc/inl_test.go
+++ b/src/cmd/compile/internal/test/inl_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"bufio"
diff --git a/src/cmd/compile/internal/gc/lang_test.go b/src/cmd/compile/internal/test/lang_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/lang_test.go
rename to src/cmd/compile/internal/test/lang_test.go
index 72e7f07a21c..67c15512922 100644
--- a/src/cmd/compile/internal/gc/lang_test.go
+++ b/src/cmd/compile/internal/test/lang_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"internal/testenv"
diff --git a/src/cmd/compile/internal/gc/logic_test.go b/src/cmd/compile/internal/test/logic_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/logic_test.go
rename to src/cmd/compile/internal/test/logic_test.go
index 78d2dd2fa81..1d7043ff605 100644
--- a/src/cmd/compile/internal/gc/logic_test.go
+++ b/src/cmd/compile/internal/test/logic_test.go
@@ -1,4 +1,4 @@
-package gc
+package test
 
 import "testing"
 
diff --git a/src/cmd/compile/internal/gc/reproduciblebuilds_test.go b/src/cmd/compile/internal/test/reproduciblebuilds_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/reproduciblebuilds_test.go
rename to src/cmd/compile/internal/test/reproduciblebuilds_test.go
index 8101e440793..4d84f9cdeff 100644
--- a/src/cmd/compile/internal/gc/reproduciblebuilds_test.go
+++ b/src/cmd/compile/internal/test/reproduciblebuilds_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc_test
+package test
 
 import (
 	"bytes"
diff --git a/src/cmd/compile/internal/gc/shift_test.go b/src/cmd/compile/internal/test/shift_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/shift_test.go
rename to src/cmd/compile/internal/test/shift_test.go
index ce2eedf1521..ea88f0a70ae 100644
--- a/src/cmd/compile/internal/gc/shift_test.go
+++ b/src/cmd/compile/internal/test/shift_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"reflect"
diff --git a/src/cmd/compile/internal/gc/ssa_test.go b/src/cmd/compile/internal/test/ssa_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/ssa_test.go
rename to src/cmd/compile/internal/test/ssa_test.go
index 7f7c9464d44..2f3e24c2d37 100644
--- a/src/cmd/compile/internal/gc/ssa_test.go
+++ b/src/cmd/compile/internal/test/ssa_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import (
 	"bytes"
diff --git a/src/cmd/compile/internal/gc/testdata/addressed_test.go b/src/cmd/compile/internal/test/testdata/addressed_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/addressed_test.go
rename to src/cmd/compile/internal/test/testdata/addressed_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/append_test.go b/src/cmd/compile/internal/test/testdata/append_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/append_test.go
rename to src/cmd/compile/internal/test/testdata/append_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/arithBoundary_test.go b/src/cmd/compile/internal/test/testdata/arithBoundary_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/arithBoundary_test.go
rename to src/cmd/compile/internal/test/testdata/arithBoundary_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/arithConst_test.go b/src/cmd/compile/internal/test/testdata/arithConst_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/arithConst_test.go
rename to src/cmd/compile/internal/test/testdata/arithConst_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/arith_test.go b/src/cmd/compile/internal/test/testdata/arith_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/arith_test.go
rename to src/cmd/compile/internal/test/testdata/arith_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/array_test.go b/src/cmd/compile/internal/test/testdata/array_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/array_test.go
rename to src/cmd/compile/internal/test/testdata/array_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/assert_test.go b/src/cmd/compile/internal/test/testdata/assert_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/assert_test.go
rename to src/cmd/compile/internal/test/testdata/assert_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/break_test.go b/src/cmd/compile/internal/test/testdata/break_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/break_test.go
rename to src/cmd/compile/internal/test/testdata/break_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/chan_test.go b/src/cmd/compile/internal/test/testdata/chan_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/chan_test.go
rename to src/cmd/compile/internal/test/testdata/chan_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/closure_test.go b/src/cmd/compile/internal/test/testdata/closure_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/closure_test.go
rename to src/cmd/compile/internal/test/testdata/closure_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/cmpConst_test.go b/src/cmd/compile/internal/test/testdata/cmpConst_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/cmpConst_test.go
rename to src/cmd/compile/internal/test/testdata/cmpConst_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/cmp_test.go b/src/cmd/compile/internal/test/testdata/cmp_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/cmp_test.go
rename to src/cmd/compile/internal/test/testdata/cmp_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/compound_test.go b/src/cmd/compile/internal/test/testdata/compound_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/compound_test.go
rename to src/cmd/compile/internal/test/testdata/compound_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/copy_test.go b/src/cmd/compile/internal/test/testdata/copy_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/copy_test.go
rename to src/cmd/compile/internal/test/testdata/copy_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/ctl_test.go b/src/cmd/compile/internal/test/testdata/ctl_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/ctl_test.go
rename to src/cmd/compile/internal/test/testdata/ctl_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/deferNoReturn_test.go b/src/cmd/compile/internal/test/testdata/deferNoReturn_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/deferNoReturn_test.go
rename to src/cmd/compile/internal/test/testdata/deferNoReturn_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/divbyzero_test.go b/src/cmd/compile/internal/test/testdata/divbyzero_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/divbyzero_test.go
rename to src/cmd/compile/internal/test/testdata/divbyzero_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/dupLoad_test.go b/src/cmd/compile/internal/test/testdata/dupLoad_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/dupLoad_test.go
rename to src/cmd/compile/internal/test/testdata/dupLoad_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/flowgraph_generator1.go b/src/cmd/compile/internal/test/testdata/flowgraph_generator1.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/flowgraph_generator1.go
rename to src/cmd/compile/internal/test/testdata/flowgraph_generator1.go
diff --git a/src/cmd/compile/internal/gc/testdata/fp_test.go b/src/cmd/compile/internal/test/testdata/fp_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/fp_test.go
rename to src/cmd/compile/internal/test/testdata/fp_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/gen/arithBoundaryGen.go b/src/cmd/compile/internal/test/testdata/gen/arithBoundaryGen.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/gen/arithBoundaryGen.go
rename to src/cmd/compile/internal/test/testdata/gen/arithBoundaryGen.go
diff --git a/src/cmd/compile/internal/gc/testdata/gen/arithConstGen.go b/src/cmd/compile/internal/test/testdata/gen/arithConstGen.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/gen/arithConstGen.go
rename to src/cmd/compile/internal/test/testdata/gen/arithConstGen.go
diff --git a/src/cmd/compile/internal/gc/testdata/gen/cmpConstGen.go b/src/cmd/compile/internal/test/testdata/gen/cmpConstGen.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/gen/cmpConstGen.go
rename to src/cmd/compile/internal/test/testdata/gen/cmpConstGen.go
diff --git a/src/cmd/compile/internal/gc/testdata/gen/constFoldGen.go b/src/cmd/compile/internal/test/testdata/gen/constFoldGen.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/gen/constFoldGen.go
rename to src/cmd/compile/internal/test/testdata/gen/constFoldGen.go
diff --git a/src/cmd/compile/internal/gc/testdata/gen/copyGen.go b/src/cmd/compile/internal/test/testdata/gen/copyGen.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/gen/copyGen.go
rename to src/cmd/compile/internal/test/testdata/gen/copyGen.go
diff --git a/src/cmd/compile/internal/gc/testdata/gen/zeroGen.go b/src/cmd/compile/internal/test/testdata/gen/zeroGen.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/gen/zeroGen.go
rename to src/cmd/compile/internal/test/testdata/gen/zeroGen.go
diff --git a/src/cmd/compile/internal/gc/testdata/loadstore_test.go b/src/cmd/compile/internal/test/testdata/loadstore_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/loadstore_test.go
rename to src/cmd/compile/internal/test/testdata/loadstore_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/map_test.go b/src/cmd/compile/internal/test/testdata/map_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/map_test.go
rename to src/cmd/compile/internal/test/testdata/map_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/namedReturn_test.go b/src/cmd/compile/internal/test/testdata/namedReturn_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/namedReturn_test.go
rename to src/cmd/compile/internal/test/testdata/namedReturn_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/phi_test.go b/src/cmd/compile/internal/test/testdata/phi_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/phi_test.go
rename to src/cmd/compile/internal/test/testdata/phi_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/regalloc_test.go b/src/cmd/compile/internal/test/testdata/regalloc_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/regalloc_test.go
rename to src/cmd/compile/internal/test/testdata/regalloc_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/reproducible/issue20272.go b/src/cmd/compile/internal/test/testdata/reproducible/issue20272.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/reproducible/issue20272.go
rename to src/cmd/compile/internal/test/testdata/reproducible/issue20272.go
diff --git a/src/cmd/compile/internal/gc/testdata/reproducible/issue27013.go b/src/cmd/compile/internal/test/testdata/reproducible/issue27013.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/reproducible/issue27013.go
rename to src/cmd/compile/internal/test/testdata/reproducible/issue27013.go
diff --git a/src/cmd/compile/internal/gc/testdata/reproducible/issue30202.go b/src/cmd/compile/internal/test/testdata/reproducible/issue30202.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/reproducible/issue30202.go
rename to src/cmd/compile/internal/test/testdata/reproducible/issue30202.go
diff --git a/src/cmd/compile/internal/gc/testdata/reproducible/issue38068.go b/src/cmd/compile/internal/test/testdata/reproducible/issue38068.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/reproducible/issue38068.go
rename to src/cmd/compile/internal/test/testdata/reproducible/issue38068.go
diff --git a/src/cmd/compile/internal/gc/testdata/short_test.go b/src/cmd/compile/internal/test/testdata/short_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/short_test.go
rename to src/cmd/compile/internal/test/testdata/short_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/slice_test.go b/src/cmd/compile/internal/test/testdata/slice_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/slice_test.go
rename to src/cmd/compile/internal/test/testdata/slice_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/sqrtConst_test.go b/src/cmd/compile/internal/test/testdata/sqrtConst_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/sqrtConst_test.go
rename to src/cmd/compile/internal/test/testdata/sqrtConst_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/string_test.go b/src/cmd/compile/internal/test/testdata/string_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/string_test.go
rename to src/cmd/compile/internal/test/testdata/string_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/unsafe_test.go b/src/cmd/compile/internal/test/testdata/unsafe_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/unsafe_test.go
rename to src/cmd/compile/internal/test/testdata/unsafe_test.go
diff --git a/src/cmd/compile/internal/gc/testdata/zero_test.go b/src/cmd/compile/internal/test/testdata/zero_test.go
similarity index 100%
rename from src/cmd/compile/internal/gc/testdata/zero_test.go
rename to src/cmd/compile/internal/test/testdata/zero_test.go
diff --git a/src/cmd/compile/internal/gc/truncconst_test.go b/src/cmd/compile/internal/test/truncconst_test.go
similarity index 99%
rename from src/cmd/compile/internal/gc/truncconst_test.go
rename to src/cmd/compile/internal/test/truncconst_test.go
index d1538180649..7705042ca2c 100644
--- a/src/cmd/compile/internal/gc/truncconst_test.go
+++ b/src/cmd/compile/internal/test/truncconst_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
 import "testing"
 
diff --git a/src/cmd/compile/internal/gc/zerorange_test.go b/src/cmd/compile/internal/test/zerorange_test.go
similarity index 98%
rename from src/cmd/compile/internal/gc/zerorange_test.go
rename to src/cmd/compile/internal/test/zerorange_test.go
index 89f4cb9bcf6..cb1a6e04e4e 100644
--- a/src/cmd/compile/internal/gc/zerorange_test.go
+++ b/src/cmd/compile/internal/test/zerorange_test.go
@@ -2,11 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package gc
+package test
 
-import (
-	"testing"
-)
+import "testing"
 
 var glob = 3
 var globp *int64