Comments (6)
The corresponding C code is
long a = 0;
a = DIV_ROUND_CLOSEST(a, 1000);
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I cannot see this. Do you have a machine code snippet where this shows?
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Analysing the register showed that the C code above is wrong, it's actually:
-500 / 1000
The instruction is 0xf7fe
which is idiv %esi
The register dump in the exception handler shows:
EAX fffffe0c
EBX 00000000
ECX 00000000
EDX ffffffff
EIP 07f854ea
ESI 000003e8
EDI 07fa2e00
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Oops, that's true. idiv
and imul
calculations have issues. I'll do a fix.
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see #27
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Tested, works great! Thanks!
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Related Issues (10)
- Hey libx86emu instruction stepping mode HOT 4
- Missing license file / notice HOT 2
- Python Binding HOT 1
- x86emu-demo decodes the third emulated instruction incorrectly HOT 6
- I got a port to Windows working if you are interested
- x86emu-demo.c fails regression test unless it uses 2015 version of x86emu.h HOT 2
- Question about illegal opcode HOT 2
- What architectures does libx86emu support? HOT 2
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