From 3dac399ba503e05ee014e96a7ce9c82f29f6981c Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Mon, 7 Nov 2016 16:47:47 -0800
Subject: support assigns of f32 to HEAP64 in asm2wasm (#830)

---
 src/asm2wasm.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/asm2wasm.h b/src/asm2wasm.h
index 8c8e5855a..6455fbf08 100644
--- a/src/asm2wasm.h
+++ b/src/asm2wasm.h
@@ -1228,8 +1228,14 @@ Function* Asm2WasmBuilder::processFunction(Ref ast) {
             conv->value = ret->value;
             conv->type = WasmType::f32;
             ret->value = conv;
+          } else if (ret->valueType == f64 && ret->value->type == f32) {
+            auto conv = allocator.alloc<Unary>();
+            conv->op = PromoteFloat32;
+            conv->value = ret->value;
+            conv->type = WasmType::f64;
+            ret->value = conv;
           } else {
-            abort_on("bad subtract types", ast);
+            abort_on("bad sub[] types", ast);
           }
         }
         return ret;
-- 
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