Move generator script to top-level directory.

* Consolidate cmake include files.
* Consolidate scripts.

Change-Id: Id41aeec9e0f0e539d96d5605cca72c58408b46f1

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bcd46a6..5f2c4bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@
 
 include(vec_cc_binary)
 include(vec_cc_test)
+include(vec_cc_generated_test)
 
 add_subdirectory(springbok)
 add_subdirectory(hello_vec)

cmake/vec_cc_generated_test.cmake

diff --git a/tests/vec_cc_generated_test.cmake b/cmake/vec_cc_generated_test.cmake
similarity index 87%
rename from tests/vec_cc_generated_test.cmake
rename to cmake/vec_cc_generated_test.cmake
index 43a10ff..b51f974 100644
--- a/tests/vec_cc_generated_test.cmake
+++ b/cmake/vec_cc_generated_test.cmake
@@ -12,12 +12,13 @@
 foreach(_OPFMT ${_RULE_OPFMT})
 string(TOLOWER ${_OPFMT} _LOWER_OPFMT)
 set(_TEST_SRC ${CMAKE_CURRENT_BINARY_DIR}/generated/${_OPCODE}/${_OPCODE}_${_LOWER_OPFMT}_test.cpp)
+find_file(_GEN_VEC_SCRIPT generate_vector_tests.py ${CMAKE_SOURCE_DIR}/scripts)
 add_custom_command(
     OUTPUT
       ${_TEST_SRC}
     DEPENDS
      ${CMAKE_CURRENT_SOURCE_DIR}/templates/${_LOWER_OPFMT}_test.tpl.cpp
-    COMMAND python3 ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_vector_tests.py
+    COMMAND python3 ${_GEN_VEC_SCRIPT}
       --template-path=${CMAKE_CURRENT_SOURCE_DIR}/templates/
       --instruction-format ${_OPFMT}
       --op-code ${_OPCODE}

scripts/generate_vector_tests.py

diff --git a/tests/scripts/generate_vector_tests.py b/scripts/generate_vector_tests.py
similarity index 100%
rename from tests/scripts/generate_vector_tests.py
rename to scripts/generate_vector_tests.py

tests/CMakeLists.txt

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index e3644c5..b2d178e 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,5 +1,4 @@
 cmake_minimum_required(VERSION 3.10)
-include(vec_cc_generated_test.cmake)
 enable_language(ASM)
 
 add_library(test_v_helpers