X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=doc%2Fman3%2FOPENSSL_ia32cap.pod;h=6c2d4b78ef79fd0a258e584e350577450449fa0b;hb=47ec2367ebf6082abb103e66e609feb5c128d358;hp=5071659074d383152e5fc8854430ec7a77815c0c;hpb=569204be9095e6c706d887dd0359ca6e309db026;p=oweals%2Fopenssl.git diff --git a/doc/man3/OPENSSL_ia32cap.pod b/doc/man3/OPENSSL_ia32cap.pod index 5071659074..6c2d4b78ef 100644 --- a/doc/man3/OPENSSL_ia32cap.pod +++ b/doc/man3/OPENSSL_ia32cap.pod @@ -19,7 +19,7 @@ between different code paths to provide optimal performance across wide range of processors. For the moment of this writing following bits are significant: -=over +=over 4 =item bit #4 denoting presence of Time-Stamp Counter. @@ -86,7 +86,7 @@ are applied, most notably in AES assembler module. The capability vector is further extended with EBX value returned by CPUID with EAX=7 and ECX=0 as input. Following bits are significant: -=over +=over 4 =item bit #64+3 denoting availability of BMI1 instructions, e.g. ANDN; @@ -110,6 +110,10 @@ a.k.a. AVX512IFMA extension; =item bit #64+31 denoting availability of AVX512VL extension; +=item bit #64+41 denoting availability of VAES extension; + +=item bit #64+42 denoting availability of VPCLMULQDQ extension; + =back To control this extended capability word use ':' as delimiter when @@ -120,7 +124,7 @@ extensions. It should be noted that whether or not some of the most "fancy" extension code paths are actually assembled depends on current assembler version. Base minimum of AES-NI/PCLMULQDQ, SSSE3 and SHA extension code -paths are always assembled. Besides that, minimum assembler version +paths are always assembled. Apart from that, minimum assembler version requirements are summarized in below table: Extension | GNU as | nasm | llvm @@ -130,6 +134,7 @@ requirements are summarized in below table: ADCX/ADOX | 2.23 | 2.10 | 3.3 AVX512 | 2.25 | 2.11.8 | see NOTES AVX512IFMA | 2.26 | 2.11.8 | see NOTES + VAES | 2.30 | 2.13.3 | =head1 NOTES @@ -146,11 +151,15 @@ the problem by making build procedure use following script: instead of real clang. In which case it doesn't matter which clang version is used, as it is GNU assembler version that will be checked. +=head1 RETURN VALUES + +Not available. + =head1 COPYRIGHT -Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved. +Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved. -Licensed under the OpenSSL license (the "License"). You may not use +Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at L.