<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>189498</bug_id>
          
          <creation_ts>2018-09-11 05:00:05 -0700</creation_ts>
          <short_desc>[WebAssembly] Move type conversion code of JSToWasm return type to JS wasm wrapper</short_desc>
          <delta_ts>2018-10-01 02:26:28 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Yusuke Suzuki">ysuzuki</reporter>
          <assigned_to name="Yusuke Suzuki">ysuzuki</assigned_to>
          <cc>ews-watchlist</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>msaboff</cc>
    
    <cc>saam</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1458442</commentid>
    <comment_count>0</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2018-09-11 05:00:05 -0700</bug_when>
    <thetext>[WebAssembly] Move type conversion code of JSToWasm return type to JS wasm wrapper</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1458443</commentid>
    <comment_count>1</comment_count>
      <attachid>349390</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2018-09-11 05:03:10 -0700</bug_when>
    <thetext>Created attachment 349390
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1458444</commentid>
    <comment_count>2</comment_count>
      <attachid>349391</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2018-09-11 05:06:34 -0700</bug_when>
    <thetext>Created attachment 349391
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1458455</commentid>
    <comment_count>3</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2018-09-11 05:56:56 -0700</bug_when>
    <thetext>Eventually I would like to merge these code into wrapper side.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1463534</commentid>
    <comment_count>4</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2018-09-26 01:38:46 -0700</bug_when>
    <thetext>Ping?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1464872</commentid>
    <comment_count>5</comment_count>
      <attachid>349391</attachid>
    <who name="Saam Barati">saam</who>
    <bug_when>2018-09-30 11:46:50 -0700</bug_when>
    <thetext>Comment on attachment 349391
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=349391&amp;action=review

r=me

&gt; Source/JavaScriptCore/wasm/js/WebAssemblyFunction.cpp:164
&gt; +    return rawResult;

Is there any value in keeping the above code in some form for a debug assert?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1464873</commentid>
    <comment_count>6</comment_count>
      <attachid>349391</attachid>
    <who name="Saam Barati">saam</who>
    <bug_when>2018-09-30 11:48:26 -0700</bug_when>
    <thetext>Comment on attachment 349391
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=349391&amp;action=review

&gt; Source/JavaScriptCore/wasm/js/JSToWasm.cpp:223
&gt; +        auto isNaN = jit.branchDouble(CCallHelpers::DoubleNotEqualOrUnordered, FPRInfo::returnValueFPR, FPRInfo::returnValueFPR);

We should really just add something in AssemblyHelpers sometime in the future for branchIfNaN</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1464917</commentid>
    <comment_count>7</comment_count>
      <attachid>349391</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2018-10-01 02:24:04 -0700</bug_when>
    <thetext>Comment on attachment 349391
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=349391&amp;action=review

&gt;&gt; Source/JavaScriptCore/wasm/js/JSToWasm.cpp:223
&gt;&gt; +        auto isNaN = jit.branchDouble(CCallHelpers::DoubleNotEqualOrUnordered, FPRInfo::returnValueFPR, FPRInfo::returnValueFPR);
&gt; 
&gt; We should really just add something in AssemblyHelpers sometime in the future for branchIfNaN

Sounds fine. I&apos;ll add this in a separate patch.

&gt;&gt; Source/JavaScriptCore/wasm/js/WebAssemblyFunction.cpp:164
&gt;&gt; +    return rawResult;
&gt; 
&gt; Is there any value in keeping the above code in some form for a debug assert?

Eventually, I would like to remove this entire function to merge this functionality into the generated code.
So I think we should add assertions in the generated code instead of this function.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1464918</commentid>
    <comment_count>8</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2018-10-01 02:25:46 -0700</bug_when>
    <thetext>Committed r236651: &lt;https://trac.webkit.org/changeset/236651&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1464920</commentid>
    <comment_count>9</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2018-10-01 02:26:28 -0700</bug_when>
    <thetext>&lt;rdar://problem/44904397&gt;</thetext>
  </long_desc>
      
          <attachment
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              ispatch="1"
              isprivate="0"
          >
            <attachid>349390</attachid>
            <date>2018-09-11 05:03:10 -0700</date>
            <delta_ts>2018-09-11 05:06:32 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-189498-20180911210309.patch</filename>
            <type>text/plain</type>
            <size>6213</size>
            <attacher name="Yusuke Suzuki">ysuzuki</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>349391</attachid>
            <date>2018-09-11 05:06:34 -0700</date>
            <delta_ts>2018-09-30 11:46:50 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-189498-20180911210633.patch</filename>
            <type>text/plain</type>
            <size>6192</size>
            <attacher name="Yusuke Suzuki">ysuzuki</attacher>
            
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<flag name="review"
          id="366958"
          type_id="1"
          status="+"
          setter="saam"
    />
          </attachment>
      

    </bug>

</bugzilla>