fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-07 04:58:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

aco: ignore copykill+latekill operands in get_temp_reg_changes

Browse source 
This is possible with two vectors which share a temporary, though I don't
think it currently happens in practice.

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/40825>
This commit is contained in:
Rhys Perry 2026-04-07 14:17:29 +01:00 • committed by Marge Bot
parent 590d1d7274
commit 1619288a19
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/amd/compiler/aco_live_var_analysis.cpp
View file

@ -67,7 +67,7 @@ RegisterDemand get_temp_reg_changes(Instruction* instr)
}
for (Operand op : instr->operands) {
if (op.isFirstKillBeforeDef() || op.isCopyKill())
if (op.isFirstKillBeforeDef() || (op.isCopyKill() && !op.isLateKill()))
available_def_space -= op.getTemp();
else if (op.isClobbered() && !op.isKill())
available_def_space -= op.getTemp();