fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-26 19:20:08 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

aco: stop get_reg_simple after reaching max_used_gpr

Browse source 
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4573>
This commit is contained in:
Daniel Schürmann 2020-04-14 12:15:56 +01:00 • committed by Marge Bot
parent 2796cb4c24
commit 5a3c1f4f0b
1 changed files with 7 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/amd/compiler/aco_register_allocation.cpp
View file

@ -408,10 +408,16 @@ std::pair<PhysReg, bool> get_reg_simple(ra_ctx& ctx,
unsigned last_pos = 0xFFFF;
for (unsigned current_reg = lb; current_reg < ub; current_reg++) {
if (reg_file[current_reg] == 0 && !ctx.war_hint[current_reg]) {
if (last_pos == 0xFFFF)
last_pos = current_reg;
continue;
/* stop searching after max_used_gpr */
if (current_reg == ctx.max_used_sgpr + 1 || current_reg == 256 + ctx.max_used_vgpr + 1)
break;
else
continue;
}
if (last_pos == 0xFFFF)