- Intel Instruction Set Architecture Extensions
- Intel® Architecture Instruction Set Extensions Programming Reference includes:
- Intel® Advanced Vector Extensions 512 (Intel® AVX-512) instructions (AVX512F, AVX512DQ, AVX512BW, AVX512VL, AVX512CD, AVX512PF, AVX512ER)
- Intel® Secure Hash Algorithm (Intel® SHA) extensions
- Intel® Memory Protection Extensions (Intel® MPX)
I refer to the document of ISA extensions at <https://software.intel.com/sites/default/files/managed/07/b7/319433-023..... (page 2-18)
The highest valid sub-leaf index, n, is
(POPCNT(CPUID.(EAX=0D, ECX=0):EAX) + POPCNT(CPUID.(EAX=0D, ECX=0):EDX) - 1)
How to obtain this formula of the highest valid sub-leaf index of CPUID.0DH?
Is self-modifying code allowed in SGX enclaves? I created a simple example that just calls a function stored in a data buffer. I changed the properties for the enclave DLL so that data is also executable. It worked when I compiled the project in simulation mode, but it crashes in hardware mode.
I have a PIN tool that uses Python. the problem I'm having is that there is an error when PIN try to load it.
I have read something regarding PIN not loading external libraries anymore. Is that correct? Will I need to use LoadLibrary and GetProcAddress to have it working? Is there any way to avoid it? (There are tons of functions used so It will be very painful)
I'm using the latest VC12 verision:
but I'm still getting this error:
Error 1 error LNK2019: unresolved external symbol xed_operand_values_set_rep referenced in function "void __cdecl LEVEL_CORE::INS_AddRep(class LEVEL_CORE::INDEX<6>)" (?INS_AddRep@LEVEL_CORE@@YAXV?$INDEX@$05@1@@Z) C:\pin-2.14-71313-msvc12-windows\source\tools\Tool\build\pin.lib(ins_api_xed_ia32.obj) pintool
Why is the symbol xed_operand_values_set_rep not exported?
Are there any cases the intel compiler gives worst performance than other compilers especially visualstudio compiler v120. When I compiled a sample of matrix multiplication with intel xe composer 2013 sp1 compiler using inline assembly avx code with visual c 2013 ultimate the performance of intel compiler is bad than the visual studio compiler 120. Can anyone help me what is the reasons to that?
my machine is intel core i5