openssl/crypto/bn/asm/x86/sqr.pl - Issue 2072073002: Delete bundled copy of OpenSSL and replace with README.

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Side by Side Diff: openssl/crypto/bn/asm/x86/sqr.pl

Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master

Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago

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1 #!/usr/local/bin/perl

2 # x86 assember

3

4 sub bn_sqr_words

5 {

6 local($name)=@_;

7

8 &function_begin($name,"");

9

10 &comment("");

11 $r="esi";

12 $a="edi";

13 $num="ebx";

14

15 &mov($r,&wparam(0)); #

16 &mov($a,&wparam(1)); #

17 &mov($num,&wparam(2)); #

18

19 &and($num,0xfffffff8); # num / 8

20 &jz(&label("sw_finish"));

21

22 &set_label("sw_loop",0);

23 for ($i=0; $i<32; $i+=4)

24 {

25 &comment("Round $i");

26 &mov("eax",&DWP($i,$a,"",0)); # *a

27 # XXX

28 &mul("eax"); # a *a

29 &mov(&DWP($i*2,$r,"",0),"eax"); #

30 &mov(&DWP($i*2+4,$r,"",0),"edx");#

31 }

32

33 &comment("");

34 &add($a,32);

35 &add($r,64);

36 &sub($num,8);

37 &jnz(&label("sw_loop"));

38

39 &set_label("sw_finish",0);

40 &mov($num,&wparam(2)); # get num

41 &and($num,7);

42 &jz(&label("sw_end"));

43

44 for ($i=0; $i<7; $i++)

45 {

46 &comment("Tail Round $i");

47 &mov("eax",&DWP($i4,$a,"",0)); # a

48 # XXX

49 &mul("eax"); # a *a

50 &mov(&DWP($i*8,$r,"",0),"eax"); #

51 &dec($num) if ($i != 7-1);

52 &mov(&DWP($i*8+4,$r,"",0),"edx");

53 &jz(&label("sw_end")) if ($i != 7-1);

54 }

55 &set_label("sw_end",0);

56

57 &function_end($name);

58 }

59

60 1;

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