Add i64x2.extend_low/high_* SIMD instructions to C/JS API (#3778)

Adds C/JS APIs for the SIMD instructions
* ExtendLowSVecI32x4ToVecI64x2
* ExtendHighSVecI32x4ToVecI64x2
* ExtendLowUVecI32x4ToVecI64x2
* ExtendHighUVecI32x4ToVecI64x2

4 files changed, 68 insertions, 0 deletions

diff --git a/test/binaryen.js/kitchen-sink.js b/test/binaryen.js/kitchen-sink.js
index 5e70b0072..c0301c0d6 100644
--- a/test/binaryen.js/kitchen-sink.js
+++ b/test/binaryen.js/kitchen-sink.js
@@ -301,6 +301,10 @@ function test_core() {
     module.i32x4.extend_high_i16x8_s(module.v128.const(v128_bytes)),
     module.i32x4.extend_low_i16x8_u(module.v128.const(v128_bytes)),
     module.i32x4.extend_high_i16x8_u(module.v128.const(v128_bytes)),
+    module.i64x2.extend_low_i32x4_s(module.v128.const(v128_bytes)),
+    module.i64x2.extend_high_i32x4_s(module.v128.const(v128_bytes)),
+    module.i64x2.extend_low_i32x4_u(module.v128.const(v128_bytes)),
+    module.i64x2.extend_high_i32x4_u(module.v128.const(v128_bytes)),
     // Binary
     module.i32.add(module.i32.const(-10), module.i32.const(-11)),
     module.f64.sub(module.f64.const(-9005.841), module.f64.const(-9007.333)),
diff --git a/test/binaryen.js/kitchen-sink.js.txt b/test/binaryen.js/kitchen-sink.js.txt
index 8d7ccdbca..64ff48426 100644
--- a/test/binaryen.js/kitchen-sink.js.txt
+++ b/test/binaryen.js/kitchen-sink.js.txt
@@ -582,6 +582,26 @@ getExpressionInfo(tuple[3])={"id":14,"type":5,"value":3.7}
        )
       )
       (drop
+       (i64x2.extend_low_i32x4_s
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_high_i32x4_s
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_low_i32x4_u
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_high_i32x4_u
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
        (i32.add
         (i32.const -10)
         (i32.const -11)
@@ -2436,6 +2456,26 @@ getExpressionInfo(tuple[3])={"id":14,"type":5,"value":3.7}
        )
       )
       (drop
+       (i64x2.extend_low_i32x4_s
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_high_i32x4_s
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_low_i32x4_u
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_high_i32x4_u
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
        (i32.add
         (i32.const -10)
         (i32.const -11)
diff --git a/test/example/c-api-kitchen-sink.c b/test/example/c-api-kitchen-sink.c
index abc5e1489..887f33b58 100644
--- a/test/example/c-api-kitchen-sink.c
+++ b/test/example/c-api-kitchen-sink.c
@@ -439,6 +439,10 @@ void test_core() {
     makeUnary(module, BinaryenExtendHighSVecI16x8ToVecI32x4(), v128),
     makeUnary(module, BinaryenExtendLowUVecI16x8ToVecI32x4(), v128),
     makeUnary(module, BinaryenExtendHighUVecI16x8ToVecI32x4(), v128),
+    makeUnary(module, BinaryenExtendLowSVecI32x4ToVecI64x2(), v128),
+    makeUnary(module, BinaryenExtendHighSVecI32x4ToVecI64x2(), v128),
+    makeUnary(module, BinaryenExtendLowUVecI32x4ToVecI64x2(), v128),
+    makeUnary(module, BinaryenExtendHighUVecI32x4ToVecI64x2(), v128),
     // Binary
     makeBinary(module, BinaryenAddInt32(), i32),
     makeBinary(module, BinaryenSubFloat64(), f64),
diff --git a/test/example/c-api-kitchen-sink.txt b/test/example/c-api-kitchen-sink.txt
index 8bf0c770a..244777478 100644
--- a/test/example/c-api-kitchen-sink.txt
+++ b/test/example/c-api-kitchen-sink.txt
@@ -492,6 +492,26 @@ BinaryenFeatureAll: 8191
        )
       )
       (drop
+       (i64x2.extend_low_i32x4_s
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_high_i32x4_s
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_low_i32x4_u
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
+       (i64x2.extend_high_i32x4_u
+        (v128.const i32x4 0x04030201 0x08070605 0x0c0b0a09 0x100f0e0d)
+       )
+      )
+      (drop
        (i32.add
         (i32.const -10)
         (i32.const -11)