<?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>154124</bug_id>
          
          <creation_ts>2016-02-11 13:05:58 -0800</creation_ts>
          <short_desc>MacroAssemblerX86 should be happy with shift(cx, cx)</short_desc>
          <delta_ts>2016-02-11 13:22:18 -0800</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>WebKit Nightly Build</version>
          <rep_platform>All</rep_platform>
          <op_sys>All</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>
          
          <blocked>150279</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Filip Pizlo">fpizlo</reporter>
          <assigned_to name="Filip Pizlo">fpizlo</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>ggaren</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>msaboff</cc>
    
    <cc>saam</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1163832</commentid>
    <comment_count>0</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2016-02-11 13:05:58 -0800</bug_when>
    <thetext>It currently asserts that shift_amount and dest cannot be the same.  That&apos;s a good assertion for when shift_amount is not in cx.  But if it&apos;s in cx already then it&apos;s OK for them to be the same.  Air will sometimes do shift(cx, cx) if you do &quot;x &lt;&lt; x&quot; and the coalescing got particularly clever.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1163834</commentid>
    <comment_count>1</comment_count>
      <attachid>271078</attachid>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2016-02-11 13:18:24 -0800</bug_when>
    <thetext>Created attachment 271078
the patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1163838</commentid>
    <comment_count>2</comment_count>
    <who name="Geoffrey Garen">ggaren</who>
    <bug_when>2016-02-11 13:20:46 -0800</bug_when>
    <thetext>r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1163839</commentid>
    <comment_count>3</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2016-02-11 13:20:47 -0800</bug_when>
    <thetext>Attachment 271078 did not pass style-queue:


ERROR: Source/JavaScriptCore/b3/testb3.cpp:10081:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/JavaScriptCore/b3/testb3.cpp:10104:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/JavaScriptCore/b3/testb3.cpp:10127:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/JavaScriptCore/b3/testb3.cpp:10149:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/JavaScriptCore/b3/testb3.cpp:10173:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/JavaScriptCore/b3/testb3.cpp:10197:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
Total errors found: 6 in 4 files


If any of these errors are false positives, please file a bug against check-webkit-style.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1163840</commentid>
    <comment_count>4</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2016-02-11 13:22:18 -0800</bug_when>
    <thetext>Landed in http://trac.webkit.org/changeset/196433</thetext>
  </long_desc>
      
          <attachment
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            <attachid>271078</attachid>
            <date>2016-02-11 13:18:24 -0800</date>
            <delta_ts>2016-02-11 13:20:18 -0800</delta_ts>
            <desc>the patch</desc>
            <filename>blah.patch</filename>
            <type>text/plain</type>
            <size>9747</size>
            <attacher name="Filip Pizlo">fpizlo</attacher>
            
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</data>
<flag name="review"
          id="295920"
          type_id="1"
          status="+"
          setter="saam"
    />
          </attachment>
      

    </bug>

</bugzilla>