Alon,

Brilliant! You are right. I was looking at the output after Webpack got a 
hold of it.

The output(.js) out of the emscripten tool chain produces clean asmjs code. 
It is a problem with my packaging tools.

Now, I just a need to figure out how to get Webpack to ignore the embedded 
asmjs code when merging it. But obviously not an emscripten issue.

Thanks for spotting my problem.

Regards,
Joe


On Tuesday, August 28, 2018 at 6:21:47 PM UTC-5, Alon Zakai wrote:
>
> What options did you compile with? And did you run anything on the JS 
> afterwards?
>
> That code sample looks a little like what closure compiler or another JS 
> minifier might do. In emscripten, building with --closure 2 might lead to 
> similar stuff - but we would disable asm.js validation in that case. If you 
> run a minifier yourself on the output, without disabling that, then an 
> error like this could occur.
>
>
> On Tue, Aug 28, 2018 at 2:22 PM Joe Bibbo <[email protected] <javascript:>> 
> wrote:
>
>>
>> After successfully building and verifying the functionality of a large 
>> C++ library, I was noticing that the code was running slower than expected. 
>> The browser was putting up a warning about
>> the emscripten-generated asm.js "Invalid asm.js: Undefined global 
>> variable"  I tracked it down to the asm.js code, and any place that the 
>> toolchain
>> had decided to use use a 'true' or 'false' constant. The browser would 
>> complain ( chrome, firefox ).
>>
>>                   .
>>                   .
>>                   .
>>                         c[(F + 48 | 0) + 8 >> 2] = 674;
>>                                Kk(0, 0, 184863, F + 48 | 0);
>>                                Eb()
>>                            }
>>                            if (true ? (c[m + 8 >> 2] & 32 | 0) == 0 : 0)
>>                                if ((d[m + 4 >> 0] | 0) < 2)
>>                                    a = 36;
>>                                else
>>                                    a = 37;
>>                            else
>>                                a = 36;
>>
>>                     .
>>                     
>>
>>
>>
>> Building on mac,
>> emcc (Emscripten gcc/clang-like replacement) 1.38.5 (commit 
>> a4474e59db658cea570c78254fa71119cf688db5)
>>
>> Any ideas on what I must do to avoid this type of generated code?
>>
>> Thanks in advance for any help or advice.
>>
>> Regards,
>> Joe
>>
>> -- 
>>
>>

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