SIMD Integer to floating point conversion implementation. (#795)

Including:
f32x4.convert_s/i32x4
f32x4.convert_u/i32x4
f64x2.convert_s/i64x2
f64x2.convert_u/i64x2

1 files changed, 41 insertions, 0 deletions

diff --git a/test/interp/simd-unary.txt b/test/interp/simd-unary.txt
index c268969d..7eb1354d 100644
--- a/test/interp/simd-unary.txt
+++ b/test/interp/simd-unary.txt
@@ -169,6 +169,43 @@
   (func (export "f64x2_sqrt_1") (result v128)
     v128.const i32 0x00000000 0x40100000 0x00000000 0x40220000
     f64x2.sqrt)
+
+  ;; f32x4 convert_s/i32x4
+  ;; For Floating num:
+  ;; 1.0 = 0x3f800000 -1.0 = 0xbf800000 3.0 = 0x40400000
+  ;; test is:   [   1,   -1,   0,   3]
+  ;; expect is: [ 1.0, -1.0, 0.0, 3.0]
+  (func (export "f32x4_convert_s/i32x4_0") (result v128)
+    v128.const i32 0x00000001 0xffffffff 0x00000000 0x00000003
+    f32x4.convert_s/i32x4)
+
+  ;; f32x4 convert_u/i32x4
+  ;; For Floating num:
+  ;; 1.0 = 0x3f800000 0.0 = 0x00000000 3.0 = 0x40400000
+  ;; 2.0 = 0x40000000
+  ;; test is:   [   1,   2,   0,   3]
+  ;; expect is: [ 1.0, 2.0, 0.0, 3.0]
+  (func (export "f32x4_convert_u/i32x4_0") (result v128)
+    v128.const i32 0x00000001 0x00000002 0x00000000 0x00000003
+    f32x4.convert_u/i32x4)
+
+  ;; f64x2 convert_s/i64x2
+  ;; For Double num:
+  ;; 1.0 = 0x3ff0000000000000  -3.0 = 0xc008000000000000
+  ;; test is:   [   1,   -3]
+  ;; expect is: [ 1.0, -3.0]
+  (func (export "f64x2_convert_s/i64x2_0") (result v128)
+    v128.const i32 0x00000001 0x00000000 0xfffffffd 0xffffffff
+    f64x2.convert_s/i64x2)
+
+  ;; f64x2 convert_u/i64x2
+  ;; For Double num:
+  ;; 1.0 = 0x3ff0000000000000 3.0 = 0x4008000000000000
+  ;; test is:   [   1,   3]
+  ;; expect is: [ 1.0, 3.0]
+  (func (export "f64x2_convert_u/i64x2_0") (result v128)
+    v128.const i32 0x00000001 0x00000000 0x00000003 0x00000000
+    f64x2.convert_u/i64x2)
 )
 (;; STDOUT ;;;
 i8x16_neg_0() => v128:0x000000ff 0x000000fe 0x000000fd 0x000000fc
@@ -201,4 +238,8 @@ f64x2_abs_1() => v128:0x00000000 0x40934a00 0x00000000 0x3ff00000
 f32x4_sqrt_0() => v128:0xffc00000 0xffc00000 0x40000000 0x40400000
 f64x2_sqrt_0() => v128:0x00000000 0xfff80000 0x00000000 0xfff80000
 f64x2_sqrt_1() => v128:0x00000000 0x40000000 0x00000000 0x40080000
+f32x4_convert_s/i32x4_0() => v128:0x3f800000 0xbf800000 0x00000000 0x40400000
+f32x4_convert_u/i32x4_0() => v128:0x3f800000 0x40000000 0x00000000 0x40400000
+f64x2_convert_s/i64x2_0() => v128:0x00000000 0x3ff00000 0x00000000 0xc0080000
+f64x2_convert_u/i64x2_0() => v128:0x00000000 0x3ff00000 0x00000000 0x40080000
 ;;; STDOUT ;;)