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main--/gist:59e6b71d21783bad9c36

Created January 6, 2015 20:44
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  1. main-- created this gist Jan 6, 2015.
    33 changes: 33 additions & 0 deletions gistfile1.txt
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    Original file line number Diff line number Diff line change
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    $ clang++-3.5 -O3 -c look_boy_why_you_so_mad.cpp -o lbwysm.o
    $ objdump -CdMintel lbwysm.o

    lbwysm.o: Dateiformat elf64-x86-64


    Disassembly of section .text:

    0000000000000000 <findStuff(int)>:
    0: 89 f8 mov eax,edi
    2: c1 e8 1f shr eax,0x1f
    5: 01 f8 add eax,edi
    7: 83 e0 fe and eax,0xfffffffe
    a: 39 f8 cmp eax,edi
    c: 0f 95 c0 setne al
    f: c3 ret
    $ g++ -O3 -c look_boy_why_you_so_mad.cpp -o lbwysm2.o
    $ objdump -CdMintel lbwysm2.o

    lbwysm2.o: Dateiformat elf64-x86-64


    Disassembly of section .text:

    0000000000000000 <findStuff(int)>:
    0: 89 f8 mov eax,edi
    2: 83 e0 01 and eax,0x1
    5: c3 ret
    $ cat look_boy_why_you_so_mad.cpp
    bool findStuff(int x)
    {
    return x - ((x / 2) * 2);
    }