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Fix MTOCRF instruction

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to be the same as interpreter.
This commit is contained in:
Danila Malyutin 2015-08-06 03:10:14 +03:00 • committed by Danila Malyutin
parent 09347ba92a
commit 98a3cbdf84
1 changed files with 5 additions and 5 deletions
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10
rpcs3/Emu/Cell/PPULLVMRecompilerCore.cpp
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@ -2660,16 +2660,16 @@ void Compiler::MTOCRF(u32 l, u32 crm, u32 rs) {
for (u32 i = 0; i < 8; i++) {
if (crm & (1 << i)) {
mask |= 0xF << ((7 - i) * 4);
mask |= 0xF << (i * 4); // move 0xF to the left i positions (in hex form)
if (l) {
break;
}
}
}
cr_i32 = m_ir_builder->CreateAnd(cr_i32, mask);
rs_i32 = m_ir_builder->CreateAnd(rs_i32, ~mask);
cr_i32 = m_ir_builder->CreateOr(cr_i32, rs_i32);
cr_i32 = m_ir_builder->CreateAnd(cr_i32, ~mask); // null ith nibble
rs_i32 = m_ir_builder->CreateAnd(rs_i32, mask); // null everything except ith nibble
cr_i32 = m_ir_builder->CreateOr(cr_i32, rs_i32); // now ith cr nibble == ith rs nibble
SetCr(cr_i32);
}
@ -5314,4 +5314,4 @@ void Compiler::InitRotateMask() {
}
}
}
#endif
#endif