commit 2c7554fe01257c371231eb8dc8c642cde4742955
author Rhys Perry <pendingchaos02@gmail.com> Tue Jul 07 13:11:07 2020 +0100
committer Marge Bot <eric+marge@anholt.net> Thu Jul 16 16:22:57 2020 +0000
tree 1ba3af5cb921190ac4a1ded489d95e25319f55d0
parent 47d7e1e6628616f678b353d29daa23595d6a7c42

aco: use unordered_set for spill id interferences

Seems to be faster.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5805>

src/amd/compiler/aco_spill.cpp

diff --git a/src/amd/compiler/aco_spill.cpp b/src/amd/compiler/aco_spill.cpp
index faba524..f1199cc 100644
--- a/src/amd/compiler/aco_spill.cpp
+++ b/src/amd/compiler/aco_spill.cpp
@@ -56,7 +56,7 @@
    std::stack<Block*> loop_header;
    std::vector<std::map<Temp, std::pair<uint32_t, uint32_t>>> next_use_distances_start;
    std::vector<std::map<Temp, std::pair<uint32_t, uint32_t>>> next_use_distances_end;
-   std::vector<std::pair<RegClass, std::set<uint32_t>>> interferences;
+   std::vector<std::pair<RegClass, std::unordered_set<uint32_t>>> interferences;
    std::vector<std::vector<uint32_t>> affinities;
    std::vector<bool> is_reloaded;
    std::map<Temp, remat_info> remat;
@@ -100,7 +100,7 @@
 
    uint32_t allocate_spill_id(RegClass rc)
    {
-      interferences.emplace_back(rc, std::set<uint32_t>());
+      interferences.emplace_back(rc, std::unordered_set<uint32_t>());
       is_reloaded.push_back(false);
       return next_spill_id++;
    }