diff options
Diffstat (limited to 'crypto/sha/asm/sha1-586.pl')
| -rw-r--r-- | crypto/sha/asm/sha1-586.pl | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/crypto/sha/asm/sha1-586.pl b/crypto/sha/asm/sha1-586.pl index 17b84c8bfe..acc4f639a7 100644 --- a/crypto/sha/asm/sha1-586.pl +++ b/crypto/sha/asm/sha1-586.pl @@ -79,6 +79,10 @@ # strongly, it's probably more appropriate to discuss possibility of # using vector rotate XOP on AMD... +# March 2014. +# +# Add support for Intel SHA Extensions. + ###################################################################### # Current performance is summarized in following table. Numbers are # CPU clock cycles spent to process single byte (less is better). @@ -303,6 +307,7 @@ if ($alt) { &function_begin("sha1_block_data_order"); if ($xmm) { + &static_label("shaext_shortcut"); &static_label("ssse3_shortcut"); &static_label("avx_shortcut") if ($ymm); &static_label("K_XX_XX"); @@ -317,8 +322,11 @@ if ($xmm) { &mov ($D,&DWP(4,$T)); &test ($D,1<<9); # check SSSE3 bit &jz (&label("x86")); + &mov ($C,&DWP(8,$T)); &test ($A,1<<24); # check FXSR bit &jz (&label("x86")); + &test ($C,1<<29); # check SHA bit + &jnz (&label("shaext_shortcut")); if ($ymm) { &and ($D,1<<28); # mask AVX bit &and ($A,1<<30); # mask "Intel CPU" bit @@ -397,6 +405,117 @@ if ($xmm) { &function_end("sha1_block_data_order"); if ($xmm) { +{ +###################################################################### +# Intel SHA Extensions implementation of SHA1 update function. +# +my ($ctx,$inp,$num)=("edi","esi","ecx"); +my ($ABCD,$E,$E_,$BSWAP)=map("xmm$_",(0..3)); +my @MSG=map("xmm$_",(4..7)); + +sub sha1rnds4 { + my ($dst,$src,$imm)=@_; + if ("$dst:$src" =~ /xmm([0-7]):xmm([0-7])/) + { &data_byte(0x0f,0x3a,0xcc,0xc0|($1<<3)|$2,$imm); } +} +sub sha1op38 { + my ($opcodelet,$dst,$src)=@_; + if ("$dst:$src" =~ /xmm([0-7]):xmm([0-7])/) + { &data_byte(0x0f,0x38,$opcodelet,0xc0|($1<<3)|$2); } +} +sub sha1nexte { sha1op38(0xc8,@_); } +sub sha1msg1 { sha1op38(0xc9,@_); } +sub sha1msg2 { sha1op38(0xca,@_); } + +&function_begin("_sha1_block_data_order_shaext"); + &call (&label("pic_point")); # make it PIC! + &set_label("pic_point"); + &blindpop($tmp1); + &lea ($tmp1,&DWP(&label("K_XX_XX")."-".&label("pic_point"),$tmp1)); +&set_label("shaext_shortcut"); + &mov ($ctx,&wparam(0)); + &mov ("ebx","esp"); + &mov ($inp,&wparam(1)); + &mov ($num,&wparam(2)); + &sub ("esp",32); + + &movdqu ($ABCD,&QWP(0,$ctx)); + &movd ($E,&QWP(16,$ctx)); + &and ("esp",-32); + &movdqa ($BSWAP,&QWP(0x50,$tmp1)); # byte-n-word swap + + &movdqu (@MSG[0],&QWP(0,$inp)); + &pshufd ($ABCD,$ABCD,0b00011011); # flip word order + &movdqu (@MSG[1],&QWP(0x10,$inp)); + &pshufd ($E,$E,0b00011011); # flip word order + &movdqu (@MSG[2],&QWP(0x20,$inp)); + &pshufb (@MSG[0],$BSWAP); + &movdqu (@MSG[3],&QWP(0x30,$inp)); + &pshufb (@MSG[1],$BSWAP); + &pshufb (@MSG[2],$BSWAP); + &pshufb (@MSG[3],$BSWAP); + &jmp (&label("loop_shaext")); + +&set_label("loop_shaext",16); + &dec ($num); + &lea ("eax",&DWP(0x40,$inp)); + &movdqa (&QWP(0,"esp"),$E); # offload $E + &paddd ($E,@MSG[0]); + &cmovne ($inp,"eax"); + &movdqa (&QWP(16,"esp"),$ABCD); # offload $ABCD + +for($i=0;$i<20-4;$i+=2) { + &sha1msg1 (@MSG[0],@MSG[1]); + &movdqa ($E_,$ABCD); + &sha1rnds4 ($ABCD,$E,int($i/5)); # 0-3... + &sha1nexte ($E_,@MSG[1]); + &pxor (@MSG[0],@MSG[2]); + &sha1msg1 (@MSG[1],@MSG[2]); + &sha1msg2 (@MSG[0],@MSG[3]); + + &movdqa ($E,$ABCD); + &sha1rnds4 ($ABCD,$E_,int(($i+1)/5)); + &sha1nexte ($E,@MSG[2]); + &pxor (@MSG[1],@MSG[3]); + &sha1msg2 (@MSG[1],@MSG[0]); + + push(@MSG,shift(@MSG)); push(@MSG,shift(@MSG)); +} + &movdqu (@MSG[0],&QWP(0,$inp)); + &movdqa ($E_,$ABCD); + &sha1rnds4 ($ABCD,$E,3); # 64-67 + &sha1nexte ($E_,@MSG[1]); + &movdqu (@MSG[1],&QWP(0x10,$inp)); + &pshufb (@MSG[0],$BSWAP); + + &movdqa ($E,$ABCD); + &sha1rnds4 ($ABCD,$E_,3); # 68-71 + &sha1nexte ($E,@MSG[2]); + &movdqu (@MSG[2],&QWP(0x20,$inp)); + &pshufb (@MSG[1],$BSWAP); + + &movdqa ($E_,$ABCD); + &sha1rnds4 ($ABCD,$E,3); # 72-75 + &sha1nexte ($E_,@MSG[3]); + &movdqu (@MSG[3],&QWP(0x30,$inp)); + &pshufb (@MSG[2],$BSWAP); + + &movdqa ($E,$ABCD); + &sha1rnds4 ($ABCD,$E_,3); # 76-79 + &movdqa ($E_,&QWP(0,"esp")); + &pshufb (@MSG[3],$BSWAP); + &sha1nexte ($E,$E_); + &paddd ($ABCD,&QWP(16,"esp")); + + &jnz (&label("loop_shaext")); + + &pshufd ($ABCD,$ABCD,0b00011011); + &pshufd ($E,$E,0b00011011); + &movdqu (&QWP(0,$ctx),$ABCD) + &movd (&DWP(16,$ctx),$E); + &mov ("esp","ebx"); +&function_end("_sha1_block_data_order_shaext"); +} ###################################################################### # The SSSE3 implementation. # @@ -1340,6 +1459,7 @@ sub Xtail_avx() &data_word(0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc); # K_40_59 &data_word(0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6); # K_60_79 &data_word(0x00010203,0x04050607,0x08090a0b,0x0c0d0e0f); # pbswap mask +&data_byte(0xf,0xe,0xd,0xc,0xb,0xa,0x9,0x8,0x7,0x6,0x5,0x4,0x3,0x2,0x1,0x0); } &asciz("SHA1 block transform for x86, CRYPTOGAMS by <appro\@openssl.org>"); |