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<!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>169721</bug_id>
          
          <creation_ts>2017-03-15 17:05:00 -0700</creation_ts>
          <short_desc>[DFG] Don&apos;t use ArraySlice intrinsic on MIPS</short_desc>
          <delta_ts>2017-03-22 10:15:23 -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>JavaScriptCore</component>
          <version>Other</version>
          <rep_platform>Other</rep_platform>
          <op_sys>Linux</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Guillaume Emont">guijemont</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>annulen</cc>
    
    <cc>commit-queue</cc>
    
    <cc>guijemont</cc>
    
    <cc>jbriance</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>msaboff</cc>
    
    <cc>saam</cc>
    
    <cc>ysuzuki</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1288361</commentid>
    <comment_count>0</comment_count>
    <who name="Guillaume Emont">guijemont</who>
    <bug_when>2017-03-15 17:05:00 -0700</bug_when>
    <thetext>The ArraySlice intrinsic in DFG uses more registers than we have available on MIPS, so we have to do the same as for X86 and not use it.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1288363</commentid>
    <comment_count>1</comment_count>
      <attachid>304584</attachid>
    <who name="Guillaume Emont">guijemont</who>
    <bug_when>2017-03-15 17:12:00 -0700</bug_when>
    <thetext>Created attachment 304584
Patch

The patch.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1289901</commentid>
    <comment_count>2</comment_count>
      <attachid>304584</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2017-03-21 16:57:04 -0700</bug_when>
    <thetext>Comment on attachment 304584
Patch

r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1290003</commentid>
    <comment_count>3</comment_count>
    <who name="Konstantin Tokarev">annulen</who>
    <bug_when>2017-03-22 00:41:35 -0700</bug_when>
    <thetext>I don&apos;t believe that MIPS, having 2x more GPRs than 32-bit ARM, cannot have ArraySlice</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1290042</commentid>
    <comment_count>4</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2017-03-22 04:39:22 -0700</bug_when>
    <thetext>(In reply to Konstantin Tokarev from comment #3)
&gt; I don&apos;t believe that MIPS, having 2x more GPRs than 32-bit ARM, cannot have
&gt; ArraySlice

I think we should disable it right now since MIPS&apos; temporary registers listed in GPRInfo is less than ARM.
If we would like to enable it, first, I think we should modify this part to increase temporary registers.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1290080</commentid>
    <comment_count>5</comment_count>
      <attachid>304584</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2017-03-22 10:15:20 -0700</bug_when>
    <thetext>Comment on attachment 304584
Patch

Clearing flags on attachment: 304584

Committed r214253: &lt;http://trac.webkit.org/changeset/214253&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1290081</commentid>
    <comment_count>6</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2017-03-22 10:15:23 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
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            <attachid>304584</attachid>
            <date>2017-03-15 17:12:00 -0700</date>
            <delta_ts>2017-03-22 10:15:20 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-169721-20170315191156.patch</filename>
            <type>text/plain</type>
            <size>2168</size>
            <attacher name="Guillaume Emont">guijemont</attacher>
            
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