[Bug tree-optimization/53947] New: [meta-bug] vectorizer missed-optimizations

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[Bug tree-optimization/53947] New: [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947

             Bug #: 53947
           Summary: [meta-bug] vectorizer missed-optimizations
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: meta-bug, missed-optimization
          Severity: enhancement
          Priority: P3
         Component: tree-optimization
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-07-13
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-13 08:29:36 UTC ---
Confirmed.
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947

Bug 53947 depends on bug 57223, which changed state.

Bug 57223 Summary: Auto-vectorization fails for nested multiple loops depending on type of array
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57223

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947

Bug 53947 depends on bug 56595, which changed state.

Bug 56595 Summary: Tree-ssa-pre can create loop carried dependencies which prevent loop vectorization.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56595

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947

Bug 53947 depends on bug 58508, which changed state.

Bug 58508 Summary: [Missed-Optimization] Redundant vector load of "actual" loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947

Bug 53947 depends on bug 59544, which changed state.

Bug 59544 Summary: Vectorizing store with negative step
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59544

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 60012, which changed state.

Bug 60012 Summary: Vectorizer generates unnecessary loop versioning for alias
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60012

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 57328, which changed state.

Bug 57328 Summary: Missed optimization: Unable to vectorize Fortran min and max intrinsics
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57328

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 62012, which changed state.

Bug 62012 Summary: Loop is not vectorized after function inlining (SCEV)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62012

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 63168, which changed state.

Bug 63168 Summary: loop header copying fails - not vectorized: latch block not empty
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63168

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 64410, which changed state.

Bug 64410 Summary: gcc 25% slower than clang 3.5 for adding complex numbers
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64410

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 61403, which changed state.

Bug 61403 Summary: An opportunity for x86 gcc vectorizer (~40% gain)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61403

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 63844, which changed state.

Bug 63844 Summary: [4.8 Regression] open mp parallelization prevents vectorization
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63844

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 62283, which changed state.

Bug 62283 Summary: basic-block vectorization fails
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62283

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 65965, which changed state.

Bug 65965 Summary: Straight-line memcpy/memset not vectorized when equivalent loop is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65965

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 62283, which changed state.

Bug 62283 Summary: basic-block vectorization fails
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62283

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 62283, which changed state.

Bug 62283 Summary: basic-block vectorization fails
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62283

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 66002, which changed state.

Bug 66002 Summary: paq8p benchmark 50% slower than clang on sandybridge
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66002

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 66036, which changed state.

Bug 66036 Summary: strided group loads are not vectorized
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66036

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

asolokha at gmx dot com
In reply to this post by asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
Bug 53947 depends on bug 37021, which changed state.

Bug 37021 Summary: Fortran Complex reduction / multiplication not vectorized
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37021

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
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