[Mesa-dev] [Bug 82881] New: test_vec4_register_coalesce regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82881

          Priority: medium
            Bug ID: 82881
          Keywords: regression
                CC: mattst88 at gmail.com
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: test_vec4_register_coalesce regression
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: vlee at freedesktop.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Mesa core
           Product: Mesa

mesa: 04895f5c601b240df547739da786b7c2b65bdd1e (master 10.3.0-devel)


=================================================================
   Mesa 10.3.0-devel: src/mesa/drivers/dri/i965/test-suite.log
=================================================================

# TOTAL: 3
# PASS:  2
# SKIP:  0
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0

.. contents:: :depth: 2

FAIL: test_vec4_register_coalesce
=================================

Running main() from gtest_main.cc
[==========] Running 5 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 5 tests from register_coalesce_test
[ RUN      ] register_coalesce_test.test_compute_to_mrf
[       OK ] register_coalesce_test.test_compute_to_mrf (0 ms)
[ RUN      ] register_coalesce_test.test_multiple_use
[       OK ] register_coalesce_test.test_multiple_use (0 ms)
[ RUN      ] register_coalesce_test.test_dp4_mrf
[       OK ] register_coalesce_test.test_dp4_mrf (0 ms)
[ RUN      ] register_coalesce_test.test_dp4_grf
[       OK ] register_coalesce_test.test_dp4_grf (0 ms)
[ RUN      ] register_coalesce_test.test_channel_mul_grf
test_vec4_register_coalesce.cpp:247: Failure
Expected: (mul->dst.reg) != (to.reg), actual: 2 vs 2
[  FAILED  ] register_coalesce_test.test_channel_mul_grf (0 ms)
[----------] 5 tests from register_coalesce_test (0 ms total)

[----------] Global test environment tear-down
[==========] 5 tests from 1 test case ran. (0 ms total)
[  PASSED  ] 4 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] register_coalesce_test.test_channel_mul_grf

 1 FAILED TEST


commit 04895f5c601b240df547739da786b7c2b65bdd1e
Author: Matt Turner <mattst88 at gmail.com>
Date:   Fri Aug 15 12:32:23 2014 -0700

    i965/vec4: Allow reswizzling writemasks when swizzle is single-valued.

    total instructions in shared programs: 4288033 -> 4266151 (-0.51%)
    instructions in affected programs:     930915 -> 909033 (-2.35%)

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