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Replace utils::cntlz{32,64} with std::countl_zero

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This commit is contained in:
Nekotekina 2020-04-13 21:57:16 +03:00
parent d0c199d455
commit 032e7c0491
11 changed files with 22 additions and 47 deletions
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8
rpcs3/Emu/Cell/PPUInterpreter.cpp
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@ -3250,7 +3250,7 @@ bool ppu_interpreter::MFOCRF(ppu_thread& ppu, ppu_opcode_t op)
if (op.l11)
{
// MFOCRF
const u32 n = utils::cntlz32(op.crm) & 7;
const u32 n = std::countl_zero<u32>(op.crm) & 7;
const u32 p = n * 4;
const u32 v = ppu.cr[p + 0] << 3 | ppu.cr[p + 1] << 2 | ppu.cr[p + 2] << 1 | ppu.cr[p + 3] << 0;
@ -3299,7 +3299,7 @@ bool ppu_interpreter::SLW(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::CNTLZW(ppu_thread& ppu, ppu_opcode_t op)
{
ppu.gpr[op.ra] = utils::cntlz32(static_cast<u32>(ppu.gpr[op.rs]));
ppu.gpr[op.ra] = std::countl_zero(static_cast<u32>(ppu.gpr[op.rs]));
if (op.rc) [[unlikely]] ppu_cr_set<s64>(ppu, 0, ppu.gpr[op.ra], 0);
return true;
}
@ -3377,7 +3377,7 @@ bool ppu_interpreter::LWZUX(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::CNTLZD(ppu_thread& ppu, ppu_opcode_t op)
{
ppu.gpr[op.ra] = utils::cntlz64(ppu.gpr[op.rs]);
ppu.gpr[op.ra] = std::countl_zero(ppu.gpr[op.rs]);
if (op.rc) [[unlikely]] ppu_cr_set<s64>(ppu, 0, ppu.gpr[op.ra], 0);
return true;
}
@ -3537,7 +3537,7 @@ bool ppu_interpreter::MTOCRF(ppu_thread& ppu, ppu_opcode_t op)
{
// MTOCRF
const u32 n = utils::cntlz32(op.crm) & 7;
const u32 n = std::countl_zero<u32>(op.crm) & 7;
const u64 v = (s >> ((n * 4) ^ 0x1c)) & 0xf;
ppu.cr.fields[n] = *reinterpret_cast<const u32*>(s_table + v);
}