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r600g/sb: Handle undef in read port tracker

Browse source 
e8e443 missed adding check for undef values also in
unreserve function, leading to an assert triggering.

Signed-off-by: Glenn Kennard <glenn.kennard@gmail.com>
Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit 36f1999a87)
This commit is contained in:
Glenn Kennard 2015-08-27 19:04:15 +02:00 • committed by Emil Velikov
parent 896ef5cb95
commit 08c41221d7
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/r600/sb/sb_sched.cpp
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@ -236,7 +236,7 @@ void rp_gpr_tracker::unreserve(alu_node* n) {
for (i = 0; i < nsrc; ++i) {
value *v = n->src[i];
if (v->is_readonly())
if (v->is_readonly() || v->is_undef())
continue;
if (i == 1 && opt)
continue;