https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/ICX-Compiler-emits-wrong-byte-sequence/m-p/1605967#M3854 <P>I discovered that x86-64 ICX 2024.0.0 emits invalid registers when it generates x86 binaries.</P><P>This error has been identified in 16 opcodes.</P><P>&nbsp;</P><P>Buggy code</P><DIV><DIV><TABLE border="1" width="100%"><TBODY><TR><TD width="100%"><DIV><SPAN>void</SPAN><SPAN> bug</SPAN><SPAN>(</SPAN><SPAN>int</SPAN><SPAN> num</SPAN><SPAN>)</SPAN> <SPAN>{</SPAN></DIV><DIV><SPAN>__asm__</SPAN><SPAN>(</SPAN></DIV><DIV><SPAN>".intel_syntax noprefix\n"</SPAN></DIV><DIV><SPAN>"cmpbxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmplexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmplxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnbexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnbxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpbexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnlxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnoxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnpxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnsxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnzxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpoxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmppxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpbexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpsxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpzxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>);</SPAN></DIV><DIV><SPAN>}</SPAN></DIV></TD></TR></TBODY></TABLE></DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>Compile Option: -m32</DIV><DIV>&nbsp;</DIV><DIV>Compiled Code</DIV><DIV><TABLE border="1" width="100%"><TBODY><TR><TD width="100%"><DIV><DIV><SPAN>bug:</SPAN></DIV><DIV><SPAN>push</SPAN> <SPAN>ebp</SPAN></DIV><DIV><SPAN>mov</SPAN> <SPAN>ebp</SPAN><SPAN>,</SPAN><SPAN>esp</SPAN></DIV><DIV><SPAN>mov</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>ebp</SPAN><SPAN>+</SPAN><SPAN>0x8</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>xchg</SPAN> <SPAN>ax</SPAN><SPAN>,</SPAN><SPAN>ax</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>pop</SPAN> <SPAN>ebp</SPAN></DIV><DIV><SPAN>ret</SPAN></DIV></DIV></TD></TR></TBODY></TABLE></DIV></DIV> Wed, 12 Jun 2024 06:04:16 GMT hyungseok 2024-06-12T06:04:16Z https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/ICX-Compiler-emits-wrong-byte-sequence/m-p/1605967#M3854 <P>I discovered that x86-64 ICX 2024.0.0 emits invalid registers when it generates x86 binaries.</P><P>This error has been identified in 16 opcodes.</P><P>&nbsp;</P><P>Buggy code</P><DIV><DIV><TABLE border="1" width="100%"><TBODY><TR><TD width="100%"><DIV><SPAN>void</SPAN><SPAN> bug</SPAN><SPAN>(</SPAN><SPAN>int</SPAN><SPAN> num</SPAN><SPAN>)</SPAN> <SPAN>{</SPAN></DIV><DIV><SPAN>__asm__</SPAN><SPAN>(</SPAN></DIV><DIV><SPAN>".intel_syntax noprefix\n"</SPAN></DIV><DIV><SPAN>"cmpbxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmplexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmplxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnbexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnbxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpbexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnlxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnoxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnpxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnsxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpnzxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpoxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmppxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpbexadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpsxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>"cmpzxadd DWORD PTR [1], EDI, EBP\n"</SPAN> <SPAN>".align 32\n"</SPAN></DIV><DIV><SPAN>);</SPAN></DIV><DIV><SPAN>}</SPAN></DIV></TD></TR></TBODY></TABLE></DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>Compile Option: -m32</DIV><DIV>&nbsp;</DIV><DIV>Compiled Code</DIV><DIV><TABLE border="1" width="100%"><TBODY><TR><TD width="100%"><DIV><DIV><SPAN>bug:</SPAN></DIV><DIV><SPAN>push</SPAN> <SPAN>ebp</SPAN></DIV><DIV><SPAN>mov</SPAN> <SPAN>ebp</SPAN><SPAN>,</SPAN><SPAN>esp</SPAN></DIV><DIV><SPAN>mov</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>ebp</SPAN><SPAN>+</SPAN><SPAN>0x8</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>xchg</SPAN> <SPAN>ax</SPAN><SPAN>,</SPAN><SPAN>ax</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>(</SPAN><SPAN>bad</SPAN><SPAN>)</SPAN></DIV><DIV><SPAN>cmp</SPAN> <SPAN>eax</SPAN><SPAN>,</SPAN><SPAN>0x1</SPAN></DIV><DIV><SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>data16</SPAN> <SPAN>nop</SPAN> <SPAN>WORD</SPAN> <SPAN>PTR</SPAN> <SPAN>cs</SPAN><SPAN>:</SPAN><SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>nop</SPAN> <SPAN>DWORD</SPAN> <SPAN>PTR</SPAN> <SPAN>[</SPAN><SPAN>eax</SPAN><SPAN>+</SPAN><SPAN>eax</SPAN><SPAN>*</SPAN><SPAN>1</SPAN><SPAN>+</SPAN><SPAN>0x0</SPAN><SPAN>]</SPAN></DIV><DIV><SPAN>pop</SPAN> <SPAN>ebp</SPAN></DIV><DIV><SPAN>ret</SPAN></DIV></DIV></TD></TR></TBODY></TABLE></DIV></DIV> Wed, 12 Jun 2024 06:04:16 GMT https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/ICX-Compiler-emits-wrong-byte-sequence/m-p/1605967#M3854 hyungseok 2024-06-12T06:04:16Z https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/ICX-Compiler-emits-wrong-byte-sequence/m-p/1607577#M3879 <P>Your question has been escalated to our internal engineering team.&nbsp;</P> Tue, 18 Jun 2024 06:05:26 GMT https://community.intel.com/t5/Intel-oneAPI-DPC-C-Compiler/ICX-Compiler-emits-wrong-byte-sequence/m-p/1607577#M3879 Alex_Y_Intel 2024-06-18T06:05:26Z