Add iNxM.extadd_pairwise_* SIMD instructions to C/JS API (#3780)

Adds C/JS APIs for the SIMD instructions
* ExtAddPairwiseSVecI8x16ToI16x8
* ExtAddPairwiseUVecI8x16ToI16x8
* ExtAddPairwiseSVecI16x8ToI32x4
* ExtAddPairwiseUVecI16x8ToI32x4

3 files changed, 32 insertions, 1 deletions

diff --git a/src/binaryen-c.cpp b/src/binaryen-c.cpp
index dfcd425e3..86eb5324d 100644
--- a/src/binaryen-c.cpp
+++ b/src/binaryen-c.cpp
@@ -628,6 +628,18 @@ BinaryenOp BinaryenCeilVecF64x2(void) { return CeilVecF64x2; }
 BinaryenOp BinaryenFloorVecF64x2(void) { return FloorVecF64x2; }
 BinaryenOp BinaryenTruncVecF64x2(void) { return TruncVecF64x2; }
 BinaryenOp BinaryenNearestVecF64x2(void) { return NearestVecF64x2; }
+BinaryenOp BinaryenExtAddPairwiseSVecI8x16ToI16x8(void) {
+  return ExtAddPairwiseSVecI8x16ToI16x8;
+}
+BinaryenOp BinaryenExtAddPairwiseUVecI8x16ToI16x8(void) {
+  return ExtAddPairwiseUVecI8x16ToI16x8;
+}
+BinaryenOp BinaryenExtAddPairwiseSVecI16x8ToI32x4(void) {
+  return ExtAddPairwiseSVecI16x8ToI32x4;
+}
+BinaryenOp BinaryenExtAddPairwiseUVecI16x8ToI32x4(void) {
+  return ExtAddPairwiseUVecI16x8ToI32x4;
+}
 BinaryenOp BinaryenTruncSatSVecF32x4ToVecI32x4(void) {
   return TruncSatSVecF32x4ToVecI32x4;
 }
diff --git a/src/binaryen-c.h b/src/binaryen-c.h
index 84661b750..038ed43c2 100644
--- a/src/binaryen-c.h
+++ b/src/binaryen-c.h
@@ -529,7 +529,10 @@ BINARYEN_API BinaryenOp BinaryenCeilVecF64x2(void);
 BINARYEN_API BinaryenOp BinaryenFloorVecF64x2(void);
 BINARYEN_API BinaryenOp BinaryenTruncVecF64x2(void);
 BINARYEN_API BinaryenOp BinaryenNearestVecF64x2(void);
-// TODO: Add extending pairwise adds to C and JS APIs once merged
+BINARYEN_API BinaryenOp BinaryenExtAddPairwiseSVecI8x16ToI16x8(void);
+BINARYEN_API BinaryenOp BinaryenExtAddPairwiseUVecI8x16ToI16x8(void);
+BINARYEN_API BinaryenOp BinaryenExtAddPairwiseSVecI16x8ToI32x4(void);
+BINARYEN_API BinaryenOp BinaryenExtAddPairwiseUVecI16x8ToI32x4(void);
 BINARYEN_API BinaryenOp BinaryenTruncSatSVecF32x4ToVecI32x4(void);
 BINARYEN_API BinaryenOp BinaryenTruncSatUVecF32x4ToVecI32x4(void);
 BINARYEN_API BinaryenOp BinaryenConvertSVecI32x4ToVecF32x4(void);
diff --git a/src/js/binaryen.js-post.js b/src/js/binaryen.js-post.js
index 80affeefc..15e342eb8 100644
--- a/src/js/binaryen.js-post.js
+++ b/src/js/binaryen.js-post.js
@@ -459,6 +459,10 @@ function initializeConstants() {
     'FloorVecF64x2',
     'TruncVecF64x2',
     'NearestVecF64x2',
+    'ExtAddPairwiseSVecI8x16ToI16x8',
+    'ExtAddPairwiseUVecI8x16ToI16x8',
+    'ExtAddPairwiseSVecI16x8ToI32x4',
+    'ExtAddPairwiseUVecI16x8ToI32x4',
     'TruncSatSVecF32x4ToVecI32x4',
     'TruncSatUVecF32x4ToVecI32x4',
     'ConvertSVecI32x4ToVecF32x4',
@@ -1717,6 +1721,12 @@ function wrapModule(module, self = {}) {
     'avgr_u'(left, right) {
       return Module['_BinaryenBinary'](module, Module['AvgrUVecI16x8'], left, right);
     },
+    'extadd_pairwise_i8x16_s'(value) {
+      return Module['_BinaryenUnary'](module, Module['ExtAddPairwiseSVecI8x16ToI16x8'], value);
+    },
+    'extadd_pairwise_i8x16_u'(value) {
+      return Module['_BinaryenUnary'](module, Module['ExtAddPairwiseUVecI8x16ToI16x8'], value);
+    },
     'narrow_i32x4_s'(left, right) {
       return Module['_BinaryenBinary'](module, Module['NarrowSVecI32x4ToVecI16x8'], left, right);
     },
@@ -1822,6 +1832,12 @@ function wrapModule(module, self = {}) {
     'dot_i16x8_s'(left, right) {
       return Module['_BinaryenBinary'](module, Module['DotSVecI16x8ToVecI32x4'], left, right);
     },
+    'extadd_pairwise_i16x8_s'(value) {
+      return Module['_BinaryenUnary'](module, Module['ExtAddPairwiseSVecI16x8ToI32x4'], value);
+    },
+    'extadd_pairwise_i16x8_u'(value) {
+      return Module['_BinaryenUnary'](module, Module['ExtAddPairwiseUVecI16x8ToI32x4'], value);
+    },
     'trunc_sat_f32x4_s'(value) {
       return Module['_BinaryenUnary'](module, Module['TruncSatSVecF32x4ToVecI32x4'], value);
     },