mirror/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-01-30 21:32:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

PPU LLVM: fix VNMSUBFP sign handling

Browse Source 
PPU cache needs to be cleared.
This commit is contained in:
Nekotekina 2022-01-15 15:28:37 +03:00
parent e9efa73eed
commit 6dda047128
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
rpcs3/Emu/Cell/PPUTranslator.cpp
View File

@ -1260,14 +1260,14 @@ void PPUTranslator::VNMSUBFP(ppu_opcode_t op)
{ {
if (data == v128{}) if (data == v128{})
{ {
set_vr(op.vd, vec_handle_result(-a * c)); set_vr(op.vd, vec_handle_result(-(a * c)));
ppu_log.notice("LLVM: VNMSUBFP with 0 addend at [0x%08x]", m_addr + (m_reloc ? m_reloc->addr : 0)); ppu_log.notice("LLVM: VNMSUBFP with 0 addend at [0x%08x]", m_addr + (m_reloc ? m_reloc->addr : 0));
return; return;
} }
if (!m_use_fma && data == v128::from32p(1u << 31)) if (!m_use_fma && data == v128::from32p(1u << 31))
{ {
set_vr(op.vd, vec_handle_result(-a * c + fsplat<f32[4]>(0.f))); set_vr(op.vd, vec_handle_result(-(a * c - fsplat<f32[4]>(0.f))));
ppu_log.notice("LLVM: VNMSUBFP with -0 addend at [0x%08x]", m_addr + (m_reloc ? m_reloc->addr : 0)); ppu_log.notice("LLVM: VNMSUBFP with -0 addend at [0x%08x]", m_addr + (m_reloc ? m_reloc->addr : 0));
return; return;
} }
@ -1276,7 +1276,7 @@ void PPUTranslator::VNMSUBFP(ppu_opcode_t op)
// Differs from the emulated path with regards to negative zero // Differs from the emulated path with regards to negative zero
if (m_use_fma) if (m_use_fma)
{ {
set_vr(op.vd, vec_handle_result(fmuladd(-a, c, b))); set_vr(op.vd, vec_handle_result(-fmuladd(a, c, -b)));
return; return;
} }