> On May 26, 2015, at 12:01 AM, Andy Polyakov <[email protected]> wrote: > >>>> Yes, I added a new target "linux-mic" into Configure, which is slightly >>>> modified from "linux-generic64". >>>> >>>> From the original patch: >>>> >>>> (...) >>>> "linux-generic64","gcc:-DTERMIO -O3 >>>> -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT >>>> DES_UNROLL >>>> BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)", >>>> +"linux-mic","icc:-mmic -DTERMIO -O3 >>>> -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT >>>> DES_UNROLL >>>> BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)", >>>> (...) >>> >>> But what prevents you from 'env CC=icc ./Configure linux-generic64 >>> -mmic'? Or same with linux-x86_64? Can you confirm if './Configure >>> linux-x86_64-icc -mmic' works in 1.0.2? >> >> 'CC="icc -mmic" ./Configure shared linux-generic64' works in 1.0.0. It's >> better than modifying Configure. I just didn't think of it. >> >> But it doesn't work in 1.0.2, getting some link error: >> ../libcrypto.so: undefined reference to `rc4_md5_enc' > > Yes, similar issue was reported in another context and it will be > resolved. Meanwhile could you pass explicit no-asm to confirm that it's > in *general* viable option for you. > >> And linux-x86_64 won't work here, since it uses some instructions not >> supported by MIC. > > But all x86_64 modules feature run-time switch, when processor > capabilities are detected [with cpuid] and code that can't be executed > on any particular processor won't execute. Or do you mean that fails to > *compile* it with -mmic? Or do you mean that cpuid doesn't work on mic? > But I recall that there is cpuid...
It fails to compile with -mmic: x86_64cpuid.s:165: Error: `pxor' is not supported on `k1om' (...) Here 'pxor' is a MMX instruction, but MIC doesn't support MMX. MIC has its own 512-bit SIMD instruction set, which is not backward-compatible like AVX512. Lei _______________________________________________ openssl-dev mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev
