mirror of
https://github.com/golang/go
synced 2024-11-20 09:24:50 -07:00
c007ce824d
Preparation was in CL 134570043. This CL contains only the effect of 'hg mv src/pkg/* src'. For more about the move, see golang.org/s/go14nopkg.
185 lines
4.5 KiB
ArmAsm
185 lines
4.5 KiB
ArmAsm
// Original source:
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// http://www.zorinaq.com/papers/md5-amd64.html
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// http://www.zorinaq.com/papers/md5-amd64.tar.bz2
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//
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// Translated from Perl generating GNU assembly into
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// #defines generating 6a assembly by the Go Authors.
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//
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// Restrictions to make code safe for Native Client:
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// replace BP with R11, reloaded before use at return.
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// replace R15 with R11.
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#include "textflag.h"
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// MD5 optimized for AMD64.
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//
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// Author: Marc Bevand <bevand_m (at) epita.fr>
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// Licence: I hereby disclaim the copyright on this code and place it
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// in the public domain.
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TEXT ·block(SB),NOSPLIT,$0-32
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MOVL dig+0(FP), R11
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MOVL p+4(FP), SI
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MOVL p_len+8(FP), DX
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SHRQ $6, DX
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SHLQ $6, DX
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LEAQ (SI)(DX*1), DI
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MOVL (0*4)(R11), AX
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MOVL (1*4)(R11), BX
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MOVL (2*4)(R11), CX
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MOVL (3*4)(R11), DX
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CMPQ SI, DI
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JEQ end
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loop:
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MOVL AX, R12
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MOVL BX, R13
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MOVL CX, R14
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MOVL DX, R11
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MOVL (0*4)(SI), R8
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MOVL DX, R9
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#define ROUND1(a, b, c, d, index, const, shift) \
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XORL c, R9; \
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LEAL const(a)(R8*1), a; \
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ANDL b, R9; \
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XORL d, R9; \
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MOVL (index*4)(SI), R8; \
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ADDL R9, a; \
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ROLL $shift, a; \
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MOVL c, R9; \
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ADDL b, a
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ROUND1(AX,BX,CX,DX, 1,0xd76aa478, 7);
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ROUND1(DX,AX,BX,CX, 2,0xe8c7b756,12);
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ROUND1(CX,DX,AX,BX, 3,0x242070db,17);
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ROUND1(BX,CX,DX,AX, 4,0xc1bdceee,22);
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ROUND1(AX,BX,CX,DX, 5,0xf57c0faf, 7);
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ROUND1(DX,AX,BX,CX, 6,0x4787c62a,12);
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ROUND1(CX,DX,AX,BX, 7,0xa8304613,17);
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ROUND1(BX,CX,DX,AX, 8,0xfd469501,22);
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ROUND1(AX,BX,CX,DX, 9,0x698098d8, 7);
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ROUND1(DX,AX,BX,CX,10,0x8b44f7af,12);
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ROUND1(CX,DX,AX,BX,11,0xffff5bb1,17);
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ROUND1(BX,CX,DX,AX,12,0x895cd7be,22);
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ROUND1(AX,BX,CX,DX,13,0x6b901122, 7);
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ROUND1(DX,AX,BX,CX,14,0xfd987193,12);
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ROUND1(CX,DX,AX,BX,15,0xa679438e,17);
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ROUND1(BX,CX,DX,AX, 0,0x49b40821,22);
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MOVL (1*4)(SI), R8
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MOVL DX, R9
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MOVL DX, R10
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#define ROUND2(a, b, c, d, index, const, shift) \
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NOTL R9; \
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LEAL const(a)(R8*1),a; \
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ANDL b, R10; \
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ANDL c, R9; \
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MOVL (index*4)(SI),R8; \
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ORL R9, R10; \
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MOVL c, R9; \
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ADDL R10, a; \
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MOVL c, R10; \
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ROLL $shift, a; \
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ADDL b, a
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ROUND2(AX,BX,CX,DX, 6,0xf61e2562, 5);
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ROUND2(DX,AX,BX,CX,11,0xc040b340, 9);
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ROUND2(CX,DX,AX,BX, 0,0x265e5a51,14);
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ROUND2(BX,CX,DX,AX, 5,0xe9b6c7aa,20);
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ROUND2(AX,BX,CX,DX,10,0xd62f105d, 5);
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ROUND2(DX,AX,BX,CX,15, 0x2441453, 9);
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ROUND2(CX,DX,AX,BX, 4,0xd8a1e681,14);
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ROUND2(BX,CX,DX,AX, 9,0xe7d3fbc8,20);
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ROUND2(AX,BX,CX,DX,14,0x21e1cde6, 5);
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ROUND2(DX,AX,BX,CX, 3,0xc33707d6, 9);
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ROUND2(CX,DX,AX,BX, 8,0xf4d50d87,14);
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ROUND2(BX,CX,DX,AX,13,0x455a14ed,20);
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ROUND2(AX,BX,CX,DX, 2,0xa9e3e905, 5);
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ROUND2(DX,AX,BX,CX, 7,0xfcefa3f8, 9);
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ROUND2(CX,DX,AX,BX,12,0x676f02d9,14);
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ROUND2(BX,CX,DX,AX, 0,0x8d2a4c8a,20);
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MOVL (5*4)(SI), R8
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MOVL CX, R9
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#define ROUND3(a, b, c, d, index, const, shift) \
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LEAL const(a)(R8*1),a; \
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MOVL (index*4)(SI),R8; \
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XORL d, R9; \
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XORL b, R9; \
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ADDL R9, a; \
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ROLL $shift, a; \
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MOVL b, R9; \
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ADDL b, a
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ROUND3(AX,BX,CX,DX, 8,0xfffa3942, 4);
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ROUND3(DX,AX,BX,CX,11,0x8771f681,11);
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ROUND3(CX,DX,AX,BX,14,0x6d9d6122,16);
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ROUND3(BX,CX,DX,AX, 1,0xfde5380c,23);
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ROUND3(AX,BX,CX,DX, 4,0xa4beea44, 4);
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ROUND3(DX,AX,BX,CX, 7,0x4bdecfa9,11);
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ROUND3(CX,DX,AX,BX,10,0xf6bb4b60,16);
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ROUND3(BX,CX,DX,AX,13,0xbebfbc70,23);
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ROUND3(AX,BX,CX,DX, 0,0x289b7ec6, 4);
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ROUND3(DX,AX,BX,CX, 3,0xeaa127fa,11);
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ROUND3(CX,DX,AX,BX, 6,0xd4ef3085,16);
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ROUND3(BX,CX,DX,AX, 9, 0x4881d05,23);
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ROUND3(AX,BX,CX,DX,12,0xd9d4d039, 4);
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ROUND3(DX,AX,BX,CX,15,0xe6db99e5,11);
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ROUND3(CX,DX,AX,BX, 2,0x1fa27cf8,16);
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ROUND3(BX,CX,DX,AX, 0,0xc4ac5665,23);
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MOVL (0*4)(SI), R8
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MOVL $0xffffffff, R9
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XORL DX, R9
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#define ROUND4(a, b, c, d, index, const, shift) \
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LEAL const(a)(R8*1),a; \
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ORL b, R9; \
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XORL c, R9; \
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ADDL R9, a; \
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MOVL (index*4)(SI),R8; \
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MOVL $0xffffffff, R9; \
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ROLL $shift, a; \
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XORL c, R9; \
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ADDL b, a
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ROUND4(AX,BX,CX,DX, 7,0xf4292244, 6);
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ROUND4(DX,AX,BX,CX,14,0x432aff97,10);
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ROUND4(CX,DX,AX,BX, 5,0xab9423a7,15);
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ROUND4(BX,CX,DX,AX,12,0xfc93a039,21);
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ROUND4(AX,BX,CX,DX, 3,0x655b59c3, 6);
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ROUND4(DX,AX,BX,CX,10,0x8f0ccc92,10);
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ROUND4(CX,DX,AX,BX, 1,0xffeff47d,15);
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ROUND4(BX,CX,DX,AX, 8,0x85845dd1,21);
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ROUND4(AX,BX,CX,DX,15,0x6fa87e4f, 6);
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ROUND4(DX,AX,BX,CX, 6,0xfe2ce6e0,10);
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ROUND4(CX,DX,AX,BX,13,0xa3014314,15);
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ROUND4(BX,CX,DX,AX, 4,0x4e0811a1,21);
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ROUND4(AX,BX,CX,DX,11,0xf7537e82, 6);
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ROUND4(DX,AX,BX,CX, 2,0xbd3af235,10);
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ROUND4(CX,DX,AX,BX, 9,0x2ad7d2bb,15);
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ROUND4(BX,CX,DX,AX, 0,0xeb86d391,21);
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ADDL R12, AX
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ADDL R13, BX
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ADDL R14, CX
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ADDL R11, DX
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ADDQ $64, SI
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CMPQ SI, DI
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JB loop
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end:
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MOVL dig+0(FP), R11
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MOVL AX, (0*4)(R11)
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MOVL BX, (1*4)(R11)
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MOVL CX, (2*4)(R11)
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MOVL DX, (3*4)(R11)
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RET
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