diff options
Diffstat (limited to 'crypto/bn/asm/x86nt32.asm')
| -rw-r--r-- | crypto/bn/asm/x86nt32.asm | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/crypto/bn/asm/x86nt32.asm b/crypto/bn/asm/x86nt32.asm new file mode 100644 index 0000000000..0198c2c583 --- /dev/null +++ b/crypto/bn/asm/x86nt32.asm @@ -0,0 +1,288 @@ + TITLE bn_mulw.c + .386P +.model FLAT +PUBLIC _bn_mul_add_word +_TEXT SEGMENT +; File bn_mulw.c +_bn_mul_add_word PROC NEAR + push ebp + push ebx + push esi + push edi + mov edi,DWORD PTR 20[esp] ; r + mov ebx,DWORD PTR 24[esp] ; a + mov ecx,DWORD PTR 32[esp] ; w + xor esi,esi ; c=0 + + mov ebp,DWORD PTR 28[esp] ; num + shr ebp,2 ; num/4 + jz $L666 + +$L546: + ; Round one + mov eax,DWORD PTR [ebx] ; edx:eax = *a * w + mul ecx + add eax,DWORD PTR [edi] ; *r+=ax + adc edx,0 + add eax,esi ; edx:eax += c + adc edx,0 + mov DWORD PTR [edi],eax ; *r+=ax + mov esi,edx ; c = overflow + + ; Round two + mov eax,DWORD PTR 4[ebx] ; edx:eax = *a * w + mul ecx + add eax,DWORD PTR 4[edi] ; *r+=ax + adc edx,0 + add eax,esi ; edx:eax += c + adc edx,0 + mov DWORD PTR 4[edi],eax ; *r+=ax + mov esi,edx ; c = overflow + + ; Round three + mov eax,DWORD PTR 8[ebx] ; edx:eax = *a * w + mul ecx + add eax,DWORD PTR 8[edi] ; *r+=ax + adc edx,0 + add eax,esi ; edx:eax += c + adc edx,0 + mov DWORD PTR 8[edi],eax ; *r+=ax + mov esi,edx ; c = overflow + + ; Round four + mov eax,DWORD PTR 12[ebx] ; edx:eax = *a * w + mul ecx + add eax,DWORD PTR 12[edi] ; *r+=ax + adc edx,0 + add eax,esi ; edx:eax += c + adc edx,0 + mov DWORD PTR 12[edi],eax ; *r+=ax + mov esi,edx ; c = overflow + + add ebx,16 + add edi,16 + + dec ebp + jz $L666 + jmp $L546 +$L666: + mov ebp,DWORD PTR 28[esp] ; num + and ebp,3 ; num%4 + jz $L547 + + ; Round one + mov eax,DWORD PTR [ebx] ; edx:eax = *a * w + mul ecx + add eax,DWORD PTR [edi] ; *r+=ax + adc edx,0 + add eax,esi ; edx:eax += c + adc edx,0 + mov DWORD PTR [edi],eax ; *r+=ax + mov esi,edx ; c = overflow + dec ebp + jz $L547 + ; Round two + mov eax,DWORD PTR 4[ebx] ; edx:eax = *a * w + mul ecx + add eax,DWORD PTR 4[edi] ; *r+=ax + adc edx,0 + add eax,esi ; edx:eax += c + adc edx,0 + mov DWORD PTR 4[edi],eax ; *r+=ax + mov esi,edx ; c = overflow + dec ebp + jz $L547 + ; Round three + mov eax,DWORD PTR 8[ebx] ; edx:eax = *a * w + mul ecx + add eax,DWORD PTR 8[edi] ; *r+=ax + adc edx,0 + add eax,esi ; edx:eax += c + adc edx,0 + mov DWORD PTR 8[edi],eax ; *r+=ax + mov esi,edx ; c = overflow + +$L547: + mov eax,esi + pop edi + pop esi + pop ebx + pop ebp + ret +_bn_mul_add_word ENDP +_TEXT ENDS +PUBLIC _bn_mul_word +_TEXT SEGMENT +_bn_mul_word PROC NEAR + push ebp + push ebx + push esi + push edi + + mov edi,DWORD PTR 20[esp] ; r + mov ebx,DWORD PTR 24[esp] ; a + mov ebp,DWORD PTR 28[esp] ; num + mov ecx,DWORD PTR 32[esp] ; w + xor esi,esi ; c=0 + + shr ebp,2 ; num/4 + jz $L266 + +$L593: + ; Round one + mov eax,DWORD PTR [ebx] ; edx:eax= w * *a + mul ecx + add eax,esi ; edx:eax+=c + adc edx,0 + mov DWORD PTR [edi],eax ; *r=eax + mov esi,edx ; c=edx + ; Round two + mov eax,DWORD PTR 4[ebx] ; edx:eax= w * *a + mul ecx + add eax,esi ; edx:eax+=c + adc edx,0 + mov DWORD PTR 4[edi],eax ; *r=eax + mov esi,edx ; c=edx + ; Round three + mov eax,DWORD PTR 8[ebx] ; edx:eax= w * *a + mul ecx + add eax,esi ; edx:eax+=c + adc edx,0 + mov DWORD PTR 8[edi],eax ; *r=eax + mov esi,edx ; c=edx + ; Round four + mov eax,DWORD PTR 12[ebx] ; edx:eax= w * *a + mul ecx + add eax,esi ; edx:eax+=c + adc edx,0 + mov DWORD PTR 12[edi],eax ; *r=eax + mov esi,edx ; c=edx + + add ebx,16 + add edi,16 + + dec ebp + jz $L266 + jmp $L593 +$L266: + mov ebp,DWORD PTR 28[esp] ; num + and ebp,3 + jz $L601 + + ; Round one + mov eax,DWORD PTR [ebx] ; edx:eax= w * *a + mul ecx + add eax,esi ; edx:eax+=c + adc edx,0 + mov DWORD PTR [edi],eax ; *r=eax + mov esi,edx ; c=edx + dec ebp + jz $L601 + ; Round two + mov eax,DWORD PTR 4[ebx] ; edx:eax= w * *a + mul ecx + add eax,esi ; edx:eax+=c + adc edx,0 + mov DWORD PTR 4[edi],eax ; *r=eax + mov esi,edx ; c=edx + dec ebp + jz $L601 + ; Round three + mov eax,DWORD PTR 8[ebx] ; edx:eax= w * *a + mul ecx + add eax,esi ; edx:eax+=c + adc edx,0 + mov DWORD PTR 8[edi],eax ; *r=eax + mov esi,edx ; c=edx + +$L601: + mov eax,esi + pop edi + pop esi + pop ebx + pop ebp + ret +_bn_mul_word ENDP +_TEXT ENDS +PUBLIC _bn_sqr_words +_TEXT SEGMENT +_bn_sqr_words PROC NEAR + push ebx + push esi + push edi + mov esi,DWORD PTR 16[esp] ; r + mov edi,DWORD PTR 20[esp] ; a + mov ebx,DWORD PTR 24[esp] ; num + + shr ebx,2 ; num/4 + jz $L111 +$L640: + ; Round 1 + mov eax, DWORD PTR [edi] + mul eax ; *a * *a + mov DWORD PTR [esi],eax + mov DWORD PTR 4[esi],edx + ; Round 2 + mov eax, DWORD PTR 4[edi] + mul eax ; *a * *a + mov DWORD PTR 8[esi],eax + mov DWORD PTR 12[esi],edx + ; Round 3 + mov eax, DWORD PTR 8[edi] + mul eax ; *a * *a + mov DWORD PTR 16[esi],eax + mov DWORD PTR 20[esi],edx + ; Round 4 + mov eax, DWORD PTR 12[edi] + mul eax ; *a * *a + mov DWORD PTR 24[esi],eax + mov DWORD PTR 28[esi],edx + + add edi,16 + add esi,32 + + dec ebx + jz $L111 + jmp $L640 +$L111: + mov ebx,DWORD PTR 24[esp] ; num + and ebx,3 ; num%3 + jz $L645 + + ; Round 1 + mov eax, DWORD PTR [edi] + mul eax ; *a * *a + mov DWORD PTR [esi],eax + mov DWORD PTR 4[esi],edx + dec ebx + jz $L645 + ; Round 2 + mov eax, DWORD PTR 4[edi] + mul eax ; *a * *a + mov DWORD PTR 8[esi],eax + mov DWORD PTR 12[esi],edx + dec ebx + jz $L645 + ; Round 3 + mov eax, DWORD PTR 8[edi] + mul eax ; *a * *a + mov DWORD PTR 16[esi],eax + mov DWORD PTR 20[esi],edx + +$L645: + pop edi + pop esi + pop ebx + ret +_bn_sqr_words ENDP +_TEXT ENDS +PUBLIC _bn_div64 +_TEXT SEGMENT +_bn_div64 PROC NEAR + mov edx, DWORD PTR 4[esp] + mov eax, DWORD PTR 8[esp] + div DWORD PTR 12[esp] + ret +_bn_div64 ENDP +_TEXT ENDS +END |