Skylake performance results.

[openssl.git] / crypto / sha / asm / sha512-x86_64.pl

diff --git a/crypto/sha/asm/sha512-x86_64.pl b/crypto/sha/asm/sha512-x86_64.pl
index 0556a8f36a906356086deb3d0810b01a3f27eb25..04ab412398fbe0b90fe13193cba61cf94a2411f3 100755 (executable)
--- a/crypto/sha/asm/sha512-x86_64.pl
+++ b/crypto/sha/asm/sha512-x86_64.pl
@@ -86,9 +86,11 @@
 # Sandy Bridge 17.4    14.2(+23%)  11.6(+50%(**))  11.2    8.10(+38%(**))
 # Ivy Bridge   12.6    10.5(+20%)  10.3(+22%)      8.17    7.22(+13%)
 # Haswell      12.2    9.28(+31%)  7.80(+56%)      7.66    5.40(+42%)
+# Skylake      11.4    9.03(+26%)  7.70(+48%)      7.25    5.20(+40%)
 # Bulldozer    21.1    13.6(+54%)  13.6(+54%(***)) 13.5    8.58(+57%)
 # VIA Nano     23.0    16.5(+39%)  -               14.7    -
 # Atom         23.0    18.9(+22%)  -               14.7    -
+# Silvermont   27.4    20.6(+33%)  -               17.5    -
 #
 # (*)  whichever best applicable;
 # (**) switch from ror to shrd stands for fair share of improvement;
@@ -123,6 +125,10 @@ if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) &&
        $avx = ($1>=10) + ($1>=11);
 }
 
+if (!$avx && `$ENV{CC} -v 2>&1` =~ /(^clang version|based on LLVM) ([3-9]\.[0-9]+)/) {
+       $avx = ($2>=3.0) + ($2>3.0);
+}
+
 $shaext=1;     ### set to zero if compiling for 1.0.1
 $avx=1         if (!$shaext && $avx);
 
@@ -2258,7 +2264,9 @@ $code.=<<___;
        pop     %rsi
        ret
 .size  se_handler,.-se_handler
+___
 
+$code.=<<___ if ($SZ==4 && $shaext);
 .type  shaext_handler,\@abi-omnipotent
 .align 16
 shaext_handler:
@@ -2291,14 +2299,16 @@ shaext_handler:
 
        jmp     .Lin_prologue
 .size  shaext_handler,.-shaext_handler
+___
 
+$code.=<<___;
 .section       .pdata
 .align 4
        .rva    .LSEH_begin_$func
        .rva    .LSEH_end_$func
        .rva    .LSEH_info_$func
 ___
-$code.=<<___ if ($SZ==4 && $shext);
+$code.=<<___ if ($SZ==4 && $shaext);
        .rva    .LSEH_begin_${func}_shaext
        .rva    .LSEH_end_${func}_shaext
        .rva    .LSEH_info_${func}_shaext
@@ -2331,10 +2341,12 @@ $code.=<<___;
        .rva    se_handler
        .rva    .Lprologue,.Lepilogue                   # HandlerData[]
 ___
-$code.=<<___ if ($SZ==4);
+$code.=<<___ if ($SZ==4 && $shaext);
 .LSEH_info_${func}_shaext:
        .byte   9,0,0,0
        .rva    shaext_handler
+___
+$code.=<<___ if ($SZ==4);
 .LSEH_info_${func}_ssse3:
        .byte   9,0,0,0
        .rva    se_handler