From: Rhys Perry <pendingchaos02@gmail.com>
Date: Tue, 10 Mar 2020 15:07:19 +0000 (+0000)
Subject: aco: fix uninitialized data error in waitcnt pass
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=85d05b3fd713d67aa764dff60467a896a7aa1011;p=mesa.git

aco: fix uninitialized data error in waitcnt pass

Shouldn't create any incorrect waitcnts but may create suboptimial
waitcnts in rare cases.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4133>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4133>
---

diff --git a/src/amd/compiler/aco_insert_waitcnt.cpp b/src/amd/compiler/aco_insert_waitcnt.cpp
index e0184993c6b..254eb97d151 100644
--- a/src/amd/compiler/aco_insert_waitcnt.cpp
+++ b/src/amd/compiler/aco_insert_waitcnt.cpp
@@ -247,7 +247,7 @@ struct wait_ctx {
    bool pending_s_buffer_store = false; /* GFX10 workaround */
 
    wait_imm barrier_imm[barrier_count];
-   uint16_t barrier_events[barrier_count]; /* use wait_event notion */
+   uint16_t barrier_events[barrier_count] = {}; /* use wait_event notion */
 
    std::map<PhysReg,wait_entry> gpr_map;