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author | bunnei <bunneidev@gmail.com> | 2014-12-28 17:57:25 +0100 |
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committer | bunnei <bunneidev@gmail.com> | 2014-12-28 17:57:25 +0100 |
commit | 762f16c4ad84d50490c7a1db9d636e6c41c8aa09 (patch) | |
tree | bc8c7c383f85f593b1a30cb6e7c857ddc19c91ff /src/core/arm/interpreter/armemu.cpp | |
parent | Merge pull request #350 from lioncash/qops (diff) | |
parent | armemu: Fix underflows in USAD8/USADA8 (diff) | |
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Diffstat (limited to 'src/core/arm/interpreter/armemu.cpp')
-rw-r--r-- | src/core/arm/interpreter/armemu.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp index 5d26456c7..2873da897 100644 --- a/src/core/arm/interpreter/armemu.cpp +++ b/src/core/arm/interpreter/armemu.cpp @@ -6672,10 +6672,10 @@ L_stm_s_takeabort: const u32 rm_val = state->Reg[rm_idx]; const u32 rn_val = state->Reg[rn_idx]; - const u8 diff1 = (u8)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)); + const u8 diff1 = ARMul_UnsignedAbsoluteDifference(rn_val & 0xFF, rm_val & 0xFF); + const u8 diff2 = ARMul_UnsignedAbsoluteDifference((rn_val >> 8) & 0xFF, (rm_val >> 8) & 0xFF); + const u8 diff3 = ARMul_UnsignedAbsoluteDifference((rn_val >> 16) & 0xFF, (rm_val >> 16) & 0xFF); + const u8 diff4 = ARMul_UnsignedAbsoluteDifference((rn_val >> 24) & 0xFF, (rm_val >> 24) & 0xFF); u32 finalDif = (diff1 + diff2 + diff3 + diff4); |