Mirrors/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2025-06-26 20:36:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Optimise out unnecessary shifts (#1021)

Browse source
This commit is contained in:
korenkonder 2024-09-22 15:02:20 +03:00 • committed by GitHub
parent 581ddfec4d
commit 5db27109c9
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 18 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/shader_recompiler/ir/passes/constant_propagation_pass.cpp
View file

@ -278,6 +278,12 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
case IR::Opcode::FPCmpClass32:
FoldCmpClass(inst);
return;
case IR::Opcode::ShiftLeftLogical32:
FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return static_cast<u32>(a << b); });
return;
case IR::Opcode::ShiftRightLogical32:
FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return static_cast<u32>(a >> b); });
return;
case IR::Opcode::ShiftRightArithmetic32:
FoldWhenAllImmediates(inst, [](s32 a, s32 b) { return static_cast<u32>(a >> b); });
return;