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armemu: Fix lower-bound signed saturation clamping for QADD16/QSUB16.

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Lioncash 2014-12-15 23:48:39 -05:00
parent 49817e89d9
commit 4c53799229
1 changed files with 2 additions and 2 deletions
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4
src/core/arm/interpreter/armemu.cpp
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@ -5867,12 +5867,12 @@ L_stm_s_takeabort:
if (lo_result > 0x7FFF) if (lo_result > 0x7FFF)
lo_result = 0x7FFF; lo_result = 0x7FFF;
else if (lo_result < 0x7FFF) else if (lo_result < -0x8000)
lo_result = -0x8000; lo_result = -0x8000;
if (hi_result > 0x7FFF) if (hi_result > 0x7FFF)
hi_result = 0x7FFF; hi_result = 0x7FFF;
else if (hi_result < 0x7FFF) else if (hi_result < -0x8000)
hi_result = -0x8000; hi_result = -0x8000;
state->Reg[rd_idx] = (lo_result & 0xFFFF) | ((hi_result & 0xFFFF) << 16); state->Reg[rd_idx] = (lo_result & 0xFFFF) | ((hi_result & 0xFFFF) << 16);