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| (Empty) |
| 1 #!/usr/local/bin/perl | |
| 2 # x86 assember | |
| 3 | |
| 4 sub bn_mul_words | |
| 5 { | |
| 6 local($name)=@_; | |
| 7 | |
| 8 &function_begin($name,""); | |
| 9 | |
| 10 &comment(""); | |
| 11 $Low="eax"; | |
| 12 $High="edx"; | |
| 13 $a="ebx"; | |
| 14 $w="ecx"; | |
| 15 $r="edi"; | |
| 16 $c="esi"; | |
| 17 $num="ebp"; | |
| 18 | |
| 19 &xor($c,$c); # clear carry | |
| 20 &mov($r,&wparam(0)); # | |
| 21 &mov($a,&wparam(1)); # | |
| 22 &mov($num,&wparam(2)); # | |
| 23 &mov($w,&wparam(3)); # | |
| 24 | |
| 25 &and($num,0xfffffff8); # num / 8 | |
| 26 &jz(&label("mw_finish")); | |
| 27 | |
| 28 &set_label("mw_loop",0); | |
| 29 for ($i=0; $i<32; $i+=4) | |
| 30 { | |
| 31 &comment("Round $i"); | |
| 32 | |
| 33 &mov("eax",&DWP($i,$a,"",0)); # *a | |
| 34 &mul($w); # *a * w | |
| 35 &add("eax",$c); # L(t)+=c | |
| 36 # XXX | |
| 37 | |
| 38 &adc("edx",0); # H(t)+=carry | |
| 39 &mov(&DWP($i,$r,"",0),"eax"); # *r= L(t); | |
| 40 | |
| 41 &mov($c,"edx"); # c= H(t); | |
| 42 } | |
| 43 | |
| 44 &comment(""); | |
| 45 &add($a,32); | |
| 46 &add($r,32); | |
| 47 &sub($num,8); | |
| 48 &jz(&label("mw_finish")); | |
| 49 &jmp(&label("mw_loop")); | |
| 50 | |
| 51 &set_label("mw_finish",0); | |
| 52 &mov($num,&wparam(2)); # get num | |
| 53 &and($num,7); | |
| 54 &jnz(&label("mw_finish2")); | |
| 55 &jmp(&label("mw_end")); | |
| 56 | |
| 57 &set_label("mw_finish2",1); | |
| 58 for ($i=0; $i<7; $i++) | |
| 59 { | |
| 60 &comment("Tail Round $i"); | |
| 61 &mov("eax",&DWP($i*4,$a,"",0));# *a | |
| 62 &mul($w); # *a * w | |
| 63 &add("eax",$c); # L(t)+=c | |
| 64 # XXX | |
| 65 &adc("edx",0); # H(t)+=carry | |
| 66 &mov(&DWP($i*4,$r,"",0),"eax");# *r= L(t); | |
| 67 &mov($c,"edx"); # c= H(t); | |
| 68 &dec($num) if ($i != 7-1); | |
| 69 &jz(&label("mw_end")) if ($i != 7-1); | |
| 70 } | |
| 71 &set_label("mw_end",0); | |
| 72 &mov("eax",$c); | |
| 73 | |
| 74 &function_end($name); | |
| 75 } | |
| 76 | |
| 77 1; | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master