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Diffstat (limited to 'libotr/libgcrypt-1.8.7/cipher/whirlpool-sse2-amd64.S')
| -rw-r--r-- | libotr/libgcrypt-1.8.7/cipher/whirlpool-sse2-amd64.S | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/libotr/libgcrypt-1.8.7/cipher/whirlpool-sse2-amd64.S b/libotr/libgcrypt-1.8.7/cipher/whirlpool-sse2-amd64.S new file mode 100644 index 0000000..e98b831 --- /dev/null +++ b/libotr/libgcrypt-1.8.7/cipher/whirlpool-sse2-amd64.S @@ -0,0 +1,342 @@ +/* whirlpool-sse2-amd64.S - AMD64 assembly implementation of Whirlpool + * + * Copyright (C) 2014 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef __x86_64 +#include <config.h> +#if (defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \ + defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS)) && defined(USE_WHIRLPOOL) + +#ifdef __PIC__ +# define RIP %rip +#else +# define RIP +#endif + +#ifdef HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS +# define ELF(...) __VA_ARGS__ +#else +# define ELF(...) /*_*/ +#endif + +.text + +/* look-up table offsets on RTAB */ +#define RC (0) +#define C0 (RC + (8 * 10)) +#define C1 (C0 + (8 * 256)) +#define C2 (C1 + (8 * 256)) +#define C3 (C2 + (8 * 256)) +#define C4 (C3 + (8 * 256)) +#define C5 (C4 + (8 * 256)) +#define C6 (C5 + (8 * 256)) +#define C7 (C6 + (8 * 256)) + +/* stack variables */ +#define STACK_DATAP (0) +#define STACK_STATEP (STACK_DATAP + 8) +#define STACK_ROUNDS (STACK_STATEP + 8) +#define STACK_NBLKS (STACK_ROUNDS + 8) +#define STACK_RBP (STACK_NBLKS + 8) +#define STACK_RBX (STACK_RBP + 8) +#define STACK_R12 (STACK_RBX + 8) +#define STACK_R13 (STACK_R12 + 8) +#define STACK_R14 (STACK_R13 + 8) +#define STACK_R15 (STACK_R14 + 8) +#define STACK_MAX (STACK_R15 + 8) + +/* register macros */ +#define RTAB %rbp + +#define RI1 %rax +#define RI2 %rbx +#define RI3 %rcx +#define RI4 %rdx + +#define RI1d %eax +#define RI2d %ebx +#define RI3d %ecx +#define RI4d %edx + +#define RI1bl %al +#define RI2bl %bl +#define RI3bl %cl +#define RI4bl %dl + +#define RI1bh %ah +#define RI2bh %bh +#define RI3bh %ch +#define RI4bh %dh + +#define RB0 %r8 +#define RB1 %r9 +#define RB2 %r10 +#define RB3 %r11 +#define RB4 %r12 +#define RB5 %r13 +#define RB6 %r14 +#define RB7 %r15 + +#define RT0 %rsi +#define RT1 %rdi + +#define RT0d %esi +#define RT1d %edi + +#define XKEY0 %xmm0 +#define XKEY1 %xmm1 +#define XKEY2 %xmm2 +#define XKEY3 %xmm3 +#define XKEY4 %xmm4 +#define XKEY5 %xmm5 +#define XKEY6 %xmm6 +#define XKEY7 %xmm7 + +#define XSTATE0 %xmm8 +#define XSTATE1 %xmm9 +#define XSTATE2 %xmm10 +#define XSTATE3 %xmm11 +#define XSTATE4 %xmm12 +#define XSTATE5 %xmm13 +#define XSTATE6 %xmm14 +#define XSTATE7 %xmm15 + +/*********************************************************************** + * AMD64 assembly implementation of Whirlpool. + * - Using table-lookups + * - Store state in XMM registers + ***********************************************************************/ +#define __do_whirl(op, ri, \ + b0, b1, b2, b3, b4, b5, b6, b7, \ + load_ri, load_arg) \ + movzbl ri ## bl, RT0d; \ + movzbl ri ## bh, RT1d; \ + shrq $16, ri; \ + op ## q C7(RTAB,RT0,8), b7; \ + op ## q C6(RTAB,RT1,8), b6; \ + movzbl ri ## bl, RT0d; \ + movzbl ri ## bh, RT1d; \ + shrq $16, ri; \ + op ## q C5(RTAB,RT0,8), b5; \ + op ## q C4(RTAB,RT1,8), b4; \ + movzbl ri ## bl, RT0d; \ + movzbl ri ## bh, RT1d; \ + shrl $16, ri ## d; \ + op ## q C3(RTAB,RT0,8), b3; \ + op ## q C2(RTAB,RT1,8), b2; \ + movzbl ri ## bl, RT0d; \ + movzbl ri ## bh, RT1d; \ + load_ri( load_arg, ri); \ + op ## q C1(RTAB,RT0,8), b1; \ + op ## q C0(RTAB,RT1,8), b0; + +#define do_whirl(op, ri, rb_add, load_ri, load_arg) \ + __do_whirl(op, ##ri, rb_add, load_ri, load_arg) + +#define dummy(...) /*_*/ + +#define do_movq(src, dst) movq src, dst; + +#define RB_ADD0 RB0, RB1, RB2, RB3, RB4, RB5, RB6, RB7 +#define RB_ADD1 RB1, RB2, RB3, RB4, RB5, RB6, RB7, RB0 +#define RB_ADD2 RB2, RB3, RB4, RB5, RB6, RB7, RB0, RB1 +#define RB_ADD3 RB3, RB4, RB5, RB6, RB7, RB0, RB1, RB2 +#define RB_ADD4 RB4, RB5, RB6, RB7, RB0, RB1, RB2, RB3 +#define RB_ADD5 RB5, RB6, RB7, RB0, RB1, RB2, RB3, RB4 +#define RB_ADD6 RB6, RB7, RB0, RB1, RB2, RB3, RB4, RB5 +#define RB_ADD7 RB7, RB0, RB1, RB2, RB3, RB4, RB5, RB6 + +.align 8 +.globl _gcry_whirlpool_transform_amd64 +ELF(.type _gcry_whirlpool_transform_amd64,@function;) + +_gcry_whirlpool_transform_amd64: + /* input: + * %rdi: state + * %rsi: inblk + * %rdx: nblks + * %rcx: look-up tables + */ + cmp $0, %rdx; + je .Lskip; + + subq $STACK_MAX, %rsp; + movq %rbp, STACK_RBP(%rsp); + movq %rbx, STACK_RBX(%rsp); + movq %r12, STACK_R12(%rsp); + movq %r13, STACK_R13(%rsp); + movq %r14, STACK_R14(%rsp); + movq %r15, STACK_R15(%rsp); + + movq %rdx, STACK_NBLKS(%rsp); + movq %rdi, STACK_STATEP(%rsp); + movq %rsi, STACK_DATAP(%rsp); + + movq %rcx, RTAB; + + jmp .Lfirst_block; + +.align 8 +.Lblock_loop: + movq STACK_DATAP(%rsp), %rsi; + movq RI1, %rdi; + +.Lfirst_block: + /* load data_block */ + movq 0*8(%rsi), RB0; + movq 1*8(%rsi), RB1; + bswapq RB0; + movq 2*8(%rsi), RB2; + bswapq RB1; + movq 3*8(%rsi), RB3; + bswapq RB2; + movq 4*8(%rsi), RB4; + bswapq RB3; + movq 5*8(%rsi), RB5; + bswapq RB4; + movq RB0, XSTATE0; + movq 6*8(%rsi), RB6; + bswapq RB5; + movq RB1, XSTATE1; + movq 7*8(%rsi), RB7; + bswapq RB6; + movq RB2, XSTATE2; + bswapq RB7; + movq RB3, XSTATE3; + movq RB4, XSTATE4; + movq RB5, XSTATE5; + movq RB6, XSTATE6; + movq RB7, XSTATE7; + + /* load key */ + movq 0*8(%rdi), XKEY0; + movq 1*8(%rdi), XKEY1; + movq 2*8(%rdi), XKEY2; + movq 3*8(%rdi), XKEY3; + movq 4*8(%rdi), XKEY4; + movq 5*8(%rdi), XKEY5; + movq 6*8(%rdi), XKEY6; + movq 7*8(%rdi), XKEY7; + + movq XKEY0, RI1; + movq XKEY1, RI2; + movq XKEY2, RI3; + movq XKEY3, RI4; + + /* prepare and store state */ + pxor XKEY0, XSTATE0; + pxor XKEY1, XSTATE1; + pxor XKEY2, XSTATE2; + pxor XKEY3, XSTATE3; + pxor XKEY4, XSTATE4; + pxor XKEY5, XSTATE5; + pxor XKEY6, XSTATE6; + pxor XKEY7, XSTATE7; + + movq XSTATE0, 0*8(%rdi); + movq XSTATE1, 1*8(%rdi); + movq XSTATE2, 2*8(%rdi); + movq XSTATE3, 3*8(%rdi); + movq XSTATE4, 4*8(%rdi); + movq XSTATE5, 5*8(%rdi); + movq XSTATE6, 6*8(%rdi); + movq XSTATE7, 7*8(%rdi); + + addq $64, STACK_DATAP(%rsp); + movl $(0), STACK_ROUNDS(%rsp); +.align 8 +.Lround_loop: + do_whirl(mov, RI1 /*XKEY0*/, RB_ADD0, do_movq, XKEY4); + do_whirl(xor, RI2 /*XKEY1*/, RB_ADD1, do_movq, XKEY5); + do_whirl(xor, RI3 /*XKEY2*/, RB_ADD2, do_movq, XKEY6); + do_whirl(xor, RI4 /*XKEY3*/, RB_ADD3, do_movq, XKEY7); + do_whirl(xor, RI1 /*XKEY0*/, RB_ADD4, do_movq, XSTATE0); + do_whirl(xor, RI2 /*XKEY1*/, RB_ADD5, do_movq, XSTATE1); + do_whirl(xor, RI3 /*XKEY2*/, RB_ADD6, do_movq, XSTATE2); + do_whirl(xor, RI4 /*XKEY3*/, RB_ADD7, do_movq, XSTATE3); + + movl STACK_ROUNDS(%rsp), RT0d; + movq RB1, XKEY1; + addl $1, STACK_ROUNDS(%rsp); + movq RB2, XKEY2; + movq RB3, XKEY3; + xorq RC(RTAB,RT0,8), RB0; /* Add round constant */ + movq RB4, XKEY4; + movq RB5, XKEY5; + movq RB0, XKEY0; + movq RB6, XKEY6; + movq RB7, XKEY7; + + do_whirl(xor, RI1 /*XSTATE0*/, RB_ADD0, do_movq, XSTATE4); + do_whirl(xor, RI2 /*XSTATE1*/, RB_ADD1, do_movq, XSTATE5); + do_whirl(xor, RI3 /*XSTATE2*/, RB_ADD2, do_movq, XSTATE6); + do_whirl(xor, RI4 /*XSTATE3*/, RB_ADD3, do_movq, XSTATE7); + + cmpl $10, STACK_ROUNDS(%rsp); + je .Lis_last_round; + + do_whirl(xor, RI1 /*XSTATE4*/, RB_ADD4, do_movq, XKEY0); + do_whirl(xor, RI2 /*XSTATE5*/, RB_ADD5, do_movq, XKEY1); + do_whirl(xor, RI3 /*XSTATE6*/, RB_ADD6, do_movq, XKEY2); + do_whirl(xor, RI4 /*XSTATE7*/, RB_ADD7, do_movq, XKEY3); + movq RB0, XSTATE0; + movq RB1, XSTATE1; + movq RB2, XSTATE2; + movq RB3, XSTATE3; + movq RB4, XSTATE4; + movq RB5, XSTATE5; + movq RB6, XSTATE6; + movq RB7, XSTATE7; + + jmp .Lround_loop; +.align 8 +.Lis_last_round: + do_whirl(xor, RI1 /*XSTATE4*/, RB_ADD4, dummy, _); + movq STACK_STATEP(%rsp), RI1; + do_whirl(xor, RI2 /*XSTATE5*/, RB_ADD5, dummy, _); + do_whirl(xor, RI3 /*XSTATE6*/, RB_ADD6, dummy, _); + do_whirl(xor, RI4 /*XSTATE7*/, RB_ADD7, dummy, _); + + /* store state */ + xorq RB0, 0*8(RI1); + xorq RB1, 1*8(RI1); + xorq RB2, 2*8(RI1); + xorq RB3, 3*8(RI1); + xorq RB4, 4*8(RI1); + xorq RB5, 5*8(RI1); + xorq RB6, 6*8(RI1); + xorq RB7, 7*8(RI1); + + subq $1, STACK_NBLKS(%rsp); + jnz .Lblock_loop; + + movq STACK_RBP(%rsp), %rbp; + movq STACK_RBX(%rsp), %rbx; + movq STACK_R12(%rsp), %r12; + movq STACK_R13(%rsp), %r13; + movq STACK_R14(%rsp), %r14; + movq STACK_R15(%rsp), %r15; + addq $STACK_MAX, %rsp; +.Lskip: + movl $(STACK_MAX + 8), %eax; + ret; +ELF(.size _gcry_whirlpool_transform_amd64,.-_gcry_whirlpool_transform_amd64;) + +#endif +#endif |