[Bug 83127] [ILK Bisected]Piglit glean_texCombine fails

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Aug 27 00:30:50 PDT 2014


lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
            Summary|[ILK Regression]Piglit      |[ILK Bisected]Piglit
                   |glean_texCombine fails      |glean_texCombine fails

--- Comment #1 from lu hua <huax.lu at intel.com> ---
Also bisect it on master branch, Bisect shows:
a6860100b87415ab510d0d210cabfeeccebc9a0a is the first bad commit.
commit a6860100b87415ab510d0d210cabfeeccebc9a0a
Author: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Date:   Fri Mar 28 15:28:33 2014 +0200

    i965/fs: Change fs_visitor::emit_lrp to use MAC for gen<6

    This allows us to emit ADD/MUL/MAC instead of MUL/ADD/MUL/ADD,
    saving one instruction and two temporary registers.

    Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
    Reviewed-by: Matt Turner <mattst88 at gmail.com>
    Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>

We add --quick in recently, the result is fail. On our earlier testing, We ran
bin/glean -o -v -v -v -t +texCombine but not add --quick, the result was always
timeout, So we didn't see this regression in time.

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