Integrate latest spec tests from WAVM

Tests have been verified through WAVM CI.

test/core/simd/meta/README.md

@@ -7,6 +7,15 @@ Currently it only support following simd test files generation.
 - 'simd_i16x8_cmp.wast'
 - 'simd_i32x4_cmp.wast'
 - 'simd_f32x4_cmp.wast'
+- 'simd_f64x2_cmp.wast'
+- 'simd_i8x16_arith.wast'
+- 'simd_i16x8_arith.wast'
+- 'simd_i32x4_arith.wast'
+- 'simd_f32x4_arith.wast'
+- 'simd_bitwise.wast'
+- 'simd_i8x16_sat_arith.wast'
+- 'simd_i16x8_sat_arith.wast'
+- 'simd_f32x4.wast'
 
 
 Usage:

test/core/simd/meta/gen_tests.py

@@ -13,6 +13,14 @@
     'simd_i16x8_cmp',
     'simd_i32x4_cmp',
     'simd_f32x4_cmp',
+    'simd_f64x2_cmp',
+    'simd_i8x16_arith',
+    'simd_i16x8_arith',
+    'simd_i32x4_arith',
+    'simd_f32x4_arith',
+    'simd_sat_arith',
+    'simd_bitwise',
+    'simd_f32x4',
 )
 
 
@@ -24,6 +32,10 @@ def gen_group_tests(mod_name):
 
 
 def main():
+    """
+    Default program entry
+    """
+
     parser = argparse.ArgumentParser(
         description='Front-end script to call other modules to generate SIMD tests')
     parser.add_argument('-a', '--all', dest='gen_all', action='store_true',
@@ -44,4 +56,4 @@ def main():
 
 if __name__ == '__main__':
     main()
-    print('Done.')
+    print('Done.')

test/core/simd/meta/simd.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 
 """
 This python file is a tool class for SIMD and
@@ -9,13 +8,31 @@
 
 class SIMD(object):
 
+    # Constant template
+    CONST = '({}.const {})'
+
     # v128 Constant template
     V128_CONST = '(v128.const {} {})'
 
-    # Params:
-    #   val: constant data, string or list,
-    #   lane_type: lane type, [i8x16, i16x8, i32x4, f32x4]
+    def const(self, val, lane_type):
+        """
+        generation constant data, [e.g. i32, i64, f32, f64]
+        Params:
+            val: constant data, string or list,
+            lane_type: lane type, [i32, i64, f32, f64]
+        """
+        return self.CONST.format(lane_type, ''.join(val))
+
     def v128_const(self, val, lane_type):
+        """
+        generation v128 constant data, [e.g. i8x16, i16x8, i32x4, f32x4]
+        Params:
+            val: constant data, string or list,
+            lane_type: lane type, [e.g. i8x16, i16x8, i32x4, f32x4]
+        """
+
+        if lane_type.lower().find('x') == -1:
+            return self.const(val, lane_type)
 
         lane_cnt = int(lane_type[1:].split('x')[1])
 
@@ -63,4 +80,4 @@ def v128_const(self, val, lane_type):
         data_elem = ' '.join(data_elem)
 
         # Returns v128 constant text
-        return self.V128_CONST.format(lane_type, data_elem)
+        return self.V128_CONST.format(lane_type, data_elem)