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ppu-interpreter: improve fnmadd/fnmadds instructions (#5183)

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* ppu-interpreter: improve fnmadd instruction

* ppu-interpreter: improve fnmadds instruction
This commit is contained in:
scribam 2018-10-03 23:49:19 +02:00 committed by Ivan
parent 49e5212a8f
commit cc846eb670
1 changed files with 2 additions and 2 deletions
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rpcs3/Emu/Cell/PPUInterpreter.cpp
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@ -4662,7 +4662,7 @@ bool ppu_interpreter::FNMSUBS(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::FNMADDS(ppu_thread& ppu, ppu_opcode_t op) bool ppu_interpreter::FNMADDS(ppu_thread& ppu, ppu_opcode_t op)
{ {
ppu.fpr[op.frd] = f32(-(ppu.fpr[op.fra] * ppu.fpr[op.frc]) - ppu.fpr[op.frb]); ppu.fpr[op.frd] = f32(-(ppu.fpr[op.fra] * ppu.fpr[op.frc] + ppu.fpr[op.frb]));
if (UNLIKELY(op.rc)) fmt::throw_exception("%s: op.rc", __func__); //ppu_cr_set(ppu, 1, ppu.fpscr.fg, ppu.fpscr.fl, ppu.fpscr.fe, ppu.fpscr.fu); if (UNLIKELY(op.rc)) fmt::throw_exception("%s: op.rc", __func__); //ppu_cr_set(ppu, 1, ppu.fpscr.fg, ppu.fpscr.fl, ppu.fpscr.fe, ppu.fpscr.fu);
return true; return true;
} }
@ -4815,7 +4815,7 @@ bool ppu_interpreter::FNMSUB(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::FNMADD(ppu_thread& ppu, ppu_opcode_t op) bool ppu_interpreter::FNMADD(ppu_thread& ppu, ppu_opcode_t op)
{ {
ppu.fpr[op.frd] = -(ppu.fpr[op.fra] * ppu.fpr[op.frc]) - ppu.fpr[op.frb]; ppu.fpr[op.frd] = -(ppu.fpr[op.fra] * ppu.fpr[op.frc] + ppu.fpr[op.frb]);
if (UNLIKELY(op.rc)) fmt::throw_exception("%s: op.rc", __func__); //ppu_cr_set(ppu, 1, ppu.fpscr.fg, ppu.fpscr.fl, ppu.fpscr.fe, ppu.fpscr.fu); if (UNLIKELY(op.rc)) fmt::throw_exception("%s: op.rc", __func__); //ppu_cr_set(ppu, 1, ppu.fpscr.fg, ppu.fpscr.fl, ppu.fpscr.fe, ppu.fpscr.fu);
return true; return true;
} }