[Bug 93560] opt_combine_constants failing fabsf(reg->f) == table.imm[i].val assertion
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat Jan 2 04:54:23 PST 2016
https://bugs.freedesktop.org/show_bug.cgi?id=93560
Bug ID: 93560
Summary: opt_combine_constants failing fabsf(reg->f) ==
table.imm[i].val assertion
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i965
Assignee: mattst88 at gmail.com
Reporter: kenneth at whitecape.org
QA Contact: intel-3d-bugs at lists.freedesktop.org
$ shader_runner shaders/closed/UnrealEngine4/PlatformerGame/232.shader_test
-auto
shader_runner: brw_fs_combine_constants.cpp:302: bool
fs_visitor::opt_combine_constants(): Assertion `fabsf(reg->f) ==
table.imm[i].val' failed.
It looks like the value is some kind of NaN:
(gdb) p reg->f
$1 = -nan(0x400000)
(gdb) p table.imm[i].val
$2 = nan(0x400000)
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