[Webkit-unassigned] [Bug 119737] [sh4] DFG_JIT implementation for sh4 architecture

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=119737





--- Comment #1 from Julien Brianceau <jbrianceau at nds.com>  2013-08-13 04:52:21 PST ---
Created an attachment (id=208618)
 --> (https://bugs.webkit.org/attachment.cgi?id=208618&action=review)
DFG_JIT implementation for sh4 architecture

I've tested this patch on my sh4 board using r153882 and I didn't see regressions when running
- Tools/Scripts/run-javascriptcore-tests
- Tools/Scripts/run-fast-jsc
- SunSpider 1.0


SunSpider 1.0 results on r153882 without this patch:

============================================
RESULTS (means and 95% confidence intervals)
--------------------------------------------
Total:                 13166.3ms +/- 0.2%
--------------------------------------------

  3d:                   2706.3ms +/- 0.5%
    cube:                837.8ms +/- 0.6%
    morph:               539.2ms +/- 0.7%
    raytrace:           1329.3ms +/- 0.7%

  access:               1905.7ms +/- 0.1%
    binary-trees:        114.2ms +/- 2.7%
    fannkuch:           1148.7ms +/- 0.4%
    nbody:               455.2ms +/- 1.0%
    nsieve:              187.7ms +/- 0.3%

  bitops:               1031.2ms +/- 0.4%
    3bit-bits-in-byte:    78.2ms +/- 0.5%
    bits-in-byte:        111.2ms +/- 0.4%
    bitwise-and:         196.0ms +/- 0.0%
    nsieve-bits:         645.8ms +/- 0.6%

  controlflow:            74.0ms +/- 0.0%
    recursive:            74.0ms +/- 0.0%

  crypto:               1165.7ms +/- 1.3%
    aes:                 666.2ms +/- 1.9%
    md5:                 317.5ms +/- 1.1%
    sha1:                182.0ms +/- 2.0%

  date:                 2085.0ms +/- 1.1%
    format-tofte:        925.7ms +/- 1.2%
    format-xparb:       1159.3ms +/- 1.3%

  math:                  850.2ms +/- 1.1%
    cordic:              248.8ms +/- 3.8%
    partial-sums:        343.8ms +/- 2.7%
    spectral-norm:       257.5ms +/- 1.2%

  regexp:                531.0ms +/- 0.8%
    dna:                 531.0ms +/- 0.8%

  string:               2817.3ms +/- 0.5%
    base64:              218.2ms +/- 0.5%
    fasta:               446.3ms +/- 3.2%
    tagcloud:            560.0ms +/- 1.1%
    unpack-code:        1255.2ms +/- 1.0%
    validate-input:      337.7ms +/- 2.2%




SunSpider 1.0 results on r153882 with this patch:

============================================
RESULTS (means and 95% confidence intervals)
--------------------------------------------
Total:                 10122.6ms +/- 0.2%
--------------------------------------------

  3d:                   2440.8ms +/- 0.2%
    cube:                899.0ms +/- 0.3%
    morph:               278.5ms +/- 0.6%
    raytrace:           1263.3ms +/- 0.2%

  access:                882.0ms +/- 0.3%
    binary-trees:        106.5ms +/- 1.6%
    fannkuch:            289.3ms +/- 0.5%
    nbody:               335.9ms +/- 0.7%
    nsieve:              150.3ms +/- 0.7%

  bitops:                335.5ms +/- 0.6%
    3bit-bits-in-byte:    29.2ms +/- 1.0%
    bits-in-byte:         74.6ms +/- 1.8%
    bitwise-and:          79.2ms +/- 0.4%
    nsieve-bits:         152.5ms +/- 0.9%

  controlflow:            96.1ms +/- 0.2%
    recursive:            96.1ms +/- 0.2%

  crypto:                886.4ms +/- 0.3%
    aes:                 464.9ms +/- 0.6%
    md5:                 251.0ms +/- 0.7%
    sha1:                170.5ms +/- 0.7%

  date:                 1512.6ms +/- 0.4%
    format-tofte:        780.6ms +/- 0.7%
    format-xparb:        732.0ms +/- 0.7%

  math:                  589.3ms +/- 0.4%
    cordic:              148.5ms +/- 0.3%
    partial-sums:        314.9ms +/- 0.6%
    spectral-norm:       125.9ms +/- 0.2%

  regexp:                529.1ms +/- 0.4%
    dna:                 529.1ms +/- 0.4%

  string:               2850.8ms +/- 0.7%
    base64:              189.2ms +/- 0.9%
    fasta:               402.9ms +/- 0.9%
    tagcloud:            541.1ms +/- 0.6%
    unpack-code:        1323.1ms +/- 1.0%
    validate-input:      394.5ms +/- 1.5%

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