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armemu: Should be using labs for USAD8/USADA8

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This commit is contained in:
Lioncash 2014-12-20 15:30:06 -05:00
parent 7095c4959b
commit 2a097f0990
1 changed files with 4 additions and 4 deletions
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8
src/core/arm/interpreter/armemu.cpp
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@ -6383,10 +6383,10 @@ L_stm_s_takeabort:
const u32 rm_val = state->Reg[rm_idx];
const u32 rn_val = state->Reg[rn_idx];
const u8 diff1 = (u8)::abs((rn_val & 0xFF) - (rm_val & 0xFF));
const u8 diff2 = (u8)::abs(((rn_val >> 8) & 0xFF) - ((rm_val >> 8) & 0xFF));
const u8 diff3 = (u8)::abs(((rn_val >> 16) & 0xFF) - ((rm_val >> 16) & 0xFF));
const u8 diff4 = (u8)::abs(((rn_val >> 24) & 0xFF) - ((rm_val >> 24) & 0xFF));
const u8 diff1 = (u8)std::labs((rn_val & 0xFF) - (rm_val & 0xFF));
const u8 diff2 = (u8)std::labs(((rn_val >> 8) & 0xFF) - ((rm_val >> 8) & 0xFF));
const u8 diff3 = (u8)std::labs(((rn_val >> 16) & 0xFF) - ((rm_val >> 16) & 0xFF));
const u8 diff4 = (u8)std::labs(((rn_val >> 24) & 0xFF) - ((rm_val >> 24) & 0xFF));
u32 finalDif = (diff1 + diff2 + diff3 + diff4);