From 65dd0079b21cc72a3e2e6f5bc2f43ab0e2d3abfd Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Wed, 27 Apr 2016 13:29:08 -0700 Subject: Fix zero-extension in i64.load32_u. --- src/wasm-js.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'src/wasm-js.cpp') diff --git a/src/wasm-js.cpp b/src/wasm-js.cpp index 116c52667..47d3543f9 100644 --- a/src/wasm-js.cpp +++ b/src/wasm-js.cpp @@ -290,7 +290,7 @@ extern "C" void EMSCRIPTEN_KEEPALIVE instantiate() { } // nicely aligned if (!isWasmTypeFloat(load->type)) { - int32_t ret; + int64_t ret; if (load->bytes == 1) { if (load->signed_) { ret = EM_ASM_INT({ return Module['info'].parent['HEAP8'][$0] }, addr); @@ -307,14 +307,14 @@ extern "C" void EMSCRIPTEN_KEEPALIVE instantiate() { if (load->signed_) { ret = EM_ASM_INT({ return Module['info'].parent['HEAP32'][$0 >> 2] }, addr); } else { - ret = EM_ASM_INT({ return Module['info'].parent['HEAPU32'][$0 >> 2] }, addr); + ret = uint32_t(EM_ASM_INT({ return Module['info'].parent['HEAPU32'][$0 >> 2] }, addr)); } } else if (load->bytes == 8) { uint32_t low = EM_ASM_INT({ return Module['info'].parent['HEAP32'][$0 >> 2] }, addr); uint32_t high = EM_ASM_INT({ return Module['info'].parent['HEAP32'][$0 >> 2] }, addr + 4); - return Literal(int64_t(low) | (int64_t(high) << 32)); + ret = uint64_t(low) | (uint64_t(high) << 32); } else abort(); - return load->type == i32 ? Literal(ret) : Literal(int64_t(ret)); + return load->type == i32 ? Literal(int32_t(ret)) : Literal(ret); } else { if (load->bytes == 4) { return Literal((float)EM_ASM_DOUBLE({ return Module['info'].parent['HEAPF32'][$0 >> 2] }, addr)); -- cgit v1.2.3