archive/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-07-10 00:41:26 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix UB in PPU interpreter

Browse source
This commit is contained in:
Nekotekina 2017-03-17 20:23:03 +03:00
parent 14b9b12211
commit c4bdc930ca
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
rpcs3/Emu/Cell/PPUInterpreter.cpp
View file

@ -2687,7 +2687,7 @@ bool ppu_interpreter::ADDME(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::MULLW(ppu_thread& ppu, ppu_opcode_t op) bool ppu_interpreter::MULLW(ppu_thread& ppu, ppu_opcode_t op)
{ {
ppu.gpr[op.rd] = (s64)((s64)(s32)ppu.gpr[op.ra] * (s64)(s32)ppu.gpr[op.rb]); ppu.gpr[op.rd] = (s64)((s64)(s32)ppu.gpr[op.ra] * (s64)(s32)ppu.gpr[op.rb]);
if (UNLIKELY(op.oe)) ppu_ov_set(ppu, s64(ppu.gpr[op.rd]) < s64(-1) << 31 || s64(ppu.gpr[op.rd]) >= s64(1) << 31); if (UNLIKELY(op.oe)) ppu_ov_set(ppu, s64(ppu.gpr[op.rd]) < INT32_MIN || s64(ppu.gpr[op.rd]) > INT32_MAX);
if (UNLIKELY(op.rc)) ppu_cr_set<s64>(ppu, 0, ppu.gpr[op.ra], 0); if (UNLIKELY(op.rc)) ppu_cr_set<s64>(ppu, 0, ppu.gpr[op.ra], 0);
return true; return true;
} }