libbb/sha1: x86_64 version: move to a separate .S file, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
5c0c558231
commit
05fd13ebec
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@ -56,6 +56,7 @@ lib-y += login.o
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lib-y += make_directory.o
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lib-y += makedev.o
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lib-y += hash_md5_sha.o
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lib-y += hash_md5_sha_x86-64.o
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# Alternative (disabled) MD5 implementation
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#lib-y += hash_md5prime.o
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lib-y += messages.o
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@ -696,397 +696,11 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx UNUSED_PARAM)
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#undef RCONST
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}
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# elif defined(__GNUC__) && defined(__x86_64__)
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static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx UNUSED_PARAM)
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{
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BUILD_BUG_ON(offsetof(sha1_ctx_t, hash) != 80);
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asm(
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"\n\
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pushq %r15 # \n\
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pushq %r14 # \n\
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pushq %r13 # \n\
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pushq %r12 # \n\
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pushq %rbp # \n\
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pushq %rbx # \n\
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pushq %rdi # we need ctx at the end \n\
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\n\
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#Register and stack use: \n\
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# eax..edx: a..d \n\
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# ebp: e \n\
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# esi,edi: temps \n\
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# -32+4*n(%rsp),r8...r15: W[0..7,8..15] \n\
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.macro loadW n,r \n\
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.if \\n == 0 \n\
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movl -32+4*0(%rsp),\\r \n\
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.endif \n\
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.if \\n == 1 \n\
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movl -32+4*1(%rsp),\\r \n\
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.endif \n\
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.if \\n == 2 \n\
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movl -32+4*2(%rsp),\\r \n\
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.endif \n\
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.if \\n == 3 \n\
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movl -32+4*3(%rsp),\\r \n\
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.endif \n\
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.if \\n == 4 \n\
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movl -32+4*4(%rsp),\\r \n\
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.endif \n\
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.if \\n == 5 \n\
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movl -32+4*5(%rsp),\\r \n\
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.endif \n\
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.if \\n == 6 \n\
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movl -32+4*6(%rsp),\\r \n\
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.endif \n\
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.if \\n == 7 \n\
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movl -32+4*7(%rsp),\\r \n\
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.endif \n\
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.if \\n == 8 \n\
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movl %r8d,\\r \n\
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.endif \n\
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.if \\n == 9 \n\
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movl %r9d,\\r \n\
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.endif \n\
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.if \\n == 10 \n\
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movl %r10d,\\r \n\
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.endif \n\
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.if \\n == 11 \n\
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movl %r11d,\\r \n\
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.endif \n\
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.if \\n == 12 \n\
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movl %r12d,\\r \n\
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.endif \n\
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.if \\n == 13 \n\
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movl %r13d,\\r \n\
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.endif \n\
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.if \\n == 14 \n\
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movl %r14d,\\r \n\
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.endif \n\
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.if \\n == 15 \n\
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movl %r15d,\\r \n\
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.endif \n\
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.endm \n\
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\n\
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.macro storeW r,n \n\
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.if \\n == 0 \n\
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movl \\r,-32+4*0(%rsp) \n\
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.endif \n\
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.if \\n == 1 \n\
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movl \\r,-32+4*1(%rsp) \n\
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.endif \n\
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.if \\n == 2 \n\
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movl \\r,-32+4*2(%rsp) \n\
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.endif \n\
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.if \\n == 3 \n\
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movl \\r,-32+4*3(%rsp) \n\
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.endif \n\
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.if \\n == 4 \n\
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movl \\r,-32+4*4(%rsp) \n\
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.endif \n\
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.if \\n == 5 \n\
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movl \\r,-32+4*5(%rsp) \n\
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.endif \n\
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.if \\n == 6 \n\
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movl \\r,-32+4*6(%rsp) \n\
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.endif \n\
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.if \\n == 7 \n\
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movl \\r,-32+4*7(%rsp) \n\
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.endif \n\
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.if \\n == 8 \n\
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movl \\r,%r8d \n\
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.endif \n\
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.if \\n == 9 \n\
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movl \\r,%r9d \n\
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.endif \n\
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.if \\n == 10 \n\
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movl \\r,%r10d \n\
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.endif \n\
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.if \\n == 11 \n\
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movl \\r,%r11d \n\
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.endif \n\
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.if \\n == 12 \n\
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movl \\r,%r12d \n\
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.endif \n\
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.if \\n == 13 \n\
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movl \\r,%r13d \n\
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.endif \n\
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.if \\n == 14 \n\
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movl \\r,%r14d \n\
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.endif \n\
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.if \\n == 15 \n\
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movl \\r,%r15d \n\
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.endif \n\
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.endm \n\
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\n\
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.macro xorW n,r \n\
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.if \\n == 0 \n\
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xorl -32+4*0(%rsp),\\r \n\
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.endif \n\
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.if \\n == 1 \n\
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xorl -32+4*1(%rsp),\\r \n\
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.endif \n\
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.if \\n == 2 \n\
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xorl -32+4*2(%rsp),\\r \n\
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.endif \n\
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.if \\n == 3 \n\
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xorl -32+4*3(%rsp),\\r \n\
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.endif \n\
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.if \\n == 4 \n\
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xorl -32+4*4(%rsp),\\r \n\
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.endif \n\
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.if \\n == 5 \n\
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xorl -32+4*5(%rsp),\\r \n\
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.endif \n\
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.if \\n == 6 \n\
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xorl -32+4*6(%rsp),\\r \n\
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.endif \n\
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.if \\n == 7 \n\
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xorl -32+4*7(%rsp),\\r \n\
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.endif \n\
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.if \\n == 8 \n\
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xorl %r8d,\\r \n\
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.endif \n\
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.if \\n == 9 \n\
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xorl %r9d,\\r \n\
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.endif \n\
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.if \\n == 10 \n\
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xorl %r10d,\\r \n\
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.endif \n\
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.if \\n == 11 \n\
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xorl %r11d,\\r \n\
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.endif \n\
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.if \\n == 12 \n\
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xorl %r12d,\\r \n\
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.endif \n\
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.if \\n == 13 \n\
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xorl %r13d,\\r \n\
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.endif \n\
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.if \\n == 14 \n\
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xorl %r14d,\\r \n\
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.endif \n\
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.if \\n == 15 \n\
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xorl %r15d,\\r \n\
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.endif \n\
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.endm \n\
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\n\
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movq 4*8(%rdi), %r8 \n\
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bswap %r8 \n\
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movl %r8d, %r9d \n\
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shrq $32, %r8 \n\
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movq 4*10(%rdi), %r10 \n\
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bswap %r10 \n\
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movl %r10d, %r11d \n\
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shrq $32, %r10 \n\
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movq 4*12(%rdi), %r12 \n\
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bswap %r12 \n\
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movl %r12d, %r13d \n\
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shrq $32, %r12 \n\
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movq 4*14(%rdi), %r14 \n\
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bswap %r14 \n\
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movl %r14d, %r15d \n\
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shrq $32, %r14 \n\
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\n\
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movl $3, %eax \n\
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1: \n\
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movq (%rdi,%rax,8), %rsi \n\
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bswap %rsi \n\
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rolq $32, %rsi \n\
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movq %rsi, -32(%rsp,%rax,8) \n\
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decl %eax \n\
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jns 1b \n\
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movl 80(%rdi), %eax # a = ctx->hash[0] \n\
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movl 84(%rdi), %ebx # b = ctx->hash[1] \n\
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movl 88(%rdi), %ecx # c = ctx->hash[2] \n\
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movl 92(%rdi), %edx # d = ctx->hash[3] \n\
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movl 96(%rdi), %ebp # e = ctx->hash[4] \n\
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"
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#define RD1As(a,b,c,d,e, n, RCONST) \
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"\n\
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##loadW "n", %esi # n=0, W[0] already in %esi \n\
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movl %e"c", %edi # c \n\
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xorl %e"d", %edi # ^d \n\
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andl %e"b", %edi # &b \n\
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xorl %e"d", %edi # (((c ^ d) & b) ^ d) \n\
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leal "RCONST"(%r"e",%rsi), %e"e" # e += RCONST + W[n] \n\
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addl %edi, %e"e" # e += (((c ^ d) & b) ^ d) \n\
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movl %e"a", %esi # \n\
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roll $5, %esi # rotl32(a,5) \n\
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addl %esi, %e"e" # e += rotl32(a,5) \n\
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rorl $2, %e"b" # b = rotl32(b,30) \n\
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"
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#define RD1Bs(a,b,c,d,e, n, RCONST) \
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"\n\
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loadW "n", %esi # W[n] \n\
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movl %e"c", %edi # c \n\
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xorl %e"d", %edi # ^d \n\
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andl %e"b", %edi # &b \n\
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xorl %e"d", %edi # (((c ^ d) & b) ^ d) \n\
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leal "RCONST"(%r"e",%rsi), %e"e" # e += RCONST + W[n] \n\
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addl %edi, %e"e" # e += (((c ^ d) & b) ^ d) \n\
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movl %e"a", %esi # \n\
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roll $5, %esi # rotl32(a,5) \n\
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addl %esi, %e"e" # e += rotl32(a,5) \n\
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rorl $2, %e"b" # b = rotl32(b,30) \n\
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"
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#define RD1Cs(a,b,c,d,e, n, RCONST) \
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"\n\
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movl %e"c", %edi # c \n\
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xorl %e"d", %edi # ^d \n\
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andl %e"b", %edi # &b \n\
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xorl %e"d", %edi # (((c ^ d) & b) ^ d) \n\
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leal "RCONST"(%r"e",%r"n"), %e"e" # e += RCONST + W[n] \n\
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addl %edi, %e"e" # e += (((c ^ d) & b) ^ d) \n\
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movl %e"a", %esi # \n\
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roll $5, %esi # rotl32(a,5) \n\
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addl %esi, %e"e" # e += rotl32(a,5) \n\
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rorl $2, %e"b" # b = rotl32(b,30) \n\
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"
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#define RD1Ds(a,b,c,d,e, n13,n8,n2,n, RCONST) \
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"\n\
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loadW "n13", %esi # W[(n+13) & 15] \n\
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xorW "n8", %esi # ^W[(n+8) & 15] \n\
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xorW "n2", %esi # ^W[(n+2) & 15] \n\
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xorW "n", %esi # ^W[n & 15] \n\
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roll %esi # \n\
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storeW %esi, "n" # store to W[n & 15] \n\
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movl %e"c", %edi # c \n\
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xorl %e"d", %edi # ^d \n\
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andl %e"b", %edi # &b \n\
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xorl %e"d", %edi # (((c ^ d) & b) ^ d) \n\
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leal "RCONST"(%r"e",%rsi), %e"e" # e += RCONST + mixed_W \n\
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addl %edi, %e"e" # e += (((c ^ d) & b) ^ d) \n\
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movl %e"a", %esi # \n\
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roll $5, %esi # rotl32(a,5) \n\
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addl %esi, %e"e" # e += rotl32(a,5) \n\
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rorl $2, %e"b" # b = rotl32(b,30) \n\
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"
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#define RD1A(a,b,c,d,e, n) RD1As(STR(a),STR(b),STR(c),STR(d),STR(e), STR(n), STR(RCONST))
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#define RD1B(a,b,c,d,e, n) RD1Bs(STR(a),STR(b),STR(c),STR(d),STR(e), STR(n), STR(RCONST))
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#define RD1C(a,b,c,d,e, n) RD1Cs(STR(a),STR(b),STR(c),STR(d),STR(e), STR(n), STR(RCONST))
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#define RD1D(a,b,c,d,e, n) RD1Ds(STR(a),STR(b),STR(c),STR(d),STR(e), STR(((n+13)&15)), STR(((n+8)&15)), STR(((n+2)&15)), STR(((n)&15)), STR(RCONST))
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#undef RCONST
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#define RCONST 0x5A827999
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RD1A(ax,bx,cx,dx,bp, 0) RD1B(bp,ax,bx,cx,dx, 1) RD1B(dx,bp,ax,bx,cx, 2) RD1B(cx,dx,bp,ax,bx, 3) RD1B(bx,cx,dx,bp,ax, 4)
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RD1B(ax,bx,cx,dx,bp, 5) RD1B(bp,ax,bx,cx,dx, 6) RD1B(dx,bp,ax,bx,cx, 7) RD1C(cx,dx,bp,ax,bx, 8) RD1C(bx,cx,dx,bp,ax, 9)
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RD1C(ax,bx,cx,dx,bp,10) RD1C(bp,ax,bx,cx,dx,11) RD1C(dx,bp,ax,bx,cx,12) RD1C(cx,dx,bp,ax,bx,13) RD1C(bx,cx,dx,bp,ax,14)
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RD1C(ax,bx,cx,dx,bp,15) RD1D(bp,ax,bx,cx,dx,16) RD1D(dx,bp,ax,bx,cx,17) RD1D(cx,dx,bp,ax,bx,18) RD1D(bx,cx,dx,bp,ax,19)
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#define RD2s(a,b,c,d,e, n13,n8,n2,n, RCONST) \
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"\n\
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loadW "n13", %esi # W[(n+13) & 15] \n\
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xorW "n8", %esi # ^W[(n+8) & 15] \n\
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xorW "n2", %esi # ^W[(n+2) & 15] \n\
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xorW "n", %esi # ^W[n & 15] \n\
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roll %esi # \n\
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storeW %esi, "n" # store to W[n & 15] \n\
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movl %e"c", %edi # c \n\
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xorl %e"d", %edi # ^d \n\
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xorl %e"b", %edi # ^b \n\
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leal "RCONST"(%r"e",%rsi), %e"e" # e += RCONST + mixed_W \n\
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addl %edi, %e"e" # e += (c ^ d ^ b) \n\
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movl %e"a", %esi # \n\
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roll $5, %esi # rotl32(a,5) \n\
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addl %esi, %e"e" # e += rotl32(a,5) \n\
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rorl $2, %e"b" # b = rotl32(b,30) \n\
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"
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#define RD2(a,b,c,d,e, n) RD2s(STR(a),STR(b),STR(c),STR(d),STR(e), STR(((20+n+13)&15)), STR(((20+n+8)&15)), STR(((20+n+2)&15)), STR(((20+n)&15)), STR(RCONST))
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#undef RCONST
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#define RCONST 0x6ED9EBA1
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RD2(ax,bx,cx,dx,bp, 0) RD2(bp,ax,bx,cx,dx, 1) RD2(dx,bp,ax,bx,cx, 2) RD2(cx,dx,bp,ax,bx, 3) RD2(bx,cx,dx,bp,ax, 4)
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RD2(ax,bx,cx,dx,bp, 5) RD2(bp,ax,bx,cx,dx, 6) RD2(dx,bp,ax,bx,cx, 7) RD2(cx,dx,bp,ax,bx, 8) RD2(bx,cx,dx,bp,ax, 9)
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RD2(ax,bx,cx,dx,bp,10) RD2(bp,ax,bx,cx,dx,11) RD2(dx,bp,ax,bx,cx,12) RD2(cx,dx,bp,ax,bx,13) RD2(bx,cx,dx,bp,ax,14)
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RD2(ax,bx,cx,dx,bp,15) RD2(bp,ax,bx,cx,dx,16) RD2(dx,bp,ax,bx,cx,17) RD2(cx,dx,bp,ax,bx,18) RD2(bx,cx,dx,bp,ax,19)
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#define RD3s(a,b,c,d,e, n13,n8,n2,n, RCONST) \
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"\n\
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movl %e"b", %edi # di: b \n\
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movl %e"b", %esi # si: b \n\
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orl %e"c", %edi # di: b | c \n\
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andl %e"c", %esi # si: b & c \n\
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andl %e"d", %edi # di: (b | c) & d \n\
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orl %esi, %edi # ((b | c) & d) | (b & c) \n\
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loadW "n13", %esi # W[(n+13) & 15] \n\
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xorW "n8", %esi # ^W[(n+8) & 15] \n\
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xorW "n2", %esi # ^W[(n+2) & 15] \n\
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xorW "n", %esi # ^W[n & 15] \n\
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roll %esi # \n\
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storeW %esi, "n" # store to W[n & 15] \n\
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addl %edi, %e"e" # += ((b | c) & d) | (b & c)\n\
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leal "RCONST"(%r"e",%rsi), %e"e" # e += RCONST + mixed_W \n\
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movl %e"a", %esi # \n\
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roll $5, %esi # rotl32(a,5) \n\
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addl %esi, %e"e" # e += rotl32(a,5) \n\
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rorl $2, %e"b" # b = rotl32(b,30) \n\
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"
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#define RD3(a,b,c,d,e, n) RD3s(STR(a),STR(b),STR(c),STR(d),STR(e), STR(((40+n+13)&15)), STR(((40+n+8)&15)), STR(((40+n+2)&15)), STR(((40+n)&15)), STR(RCONST))
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#undef RCONST
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//#define RCONST 0x8F1BBCDC "out of range for signed 32bit displacement"
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#define RCONST -0x70e44324
|
||||
RD3(ax,bx,cx,dx,bp, 0) RD3(bp,ax,bx,cx,dx, 1) RD3(dx,bp,ax,bx,cx, 2) RD3(cx,dx,bp,ax,bx, 3) RD3(bx,cx,dx,bp,ax, 4)
|
||||
RD3(ax,bx,cx,dx,bp, 5) RD3(bp,ax,bx,cx,dx, 6) RD3(dx,bp,ax,bx,cx, 7) RD3(cx,dx,bp,ax,bx, 8) RD3(bx,cx,dx,bp,ax, 9)
|
||||
RD3(ax,bx,cx,dx,bp,10) RD3(bp,ax,bx,cx,dx,11) RD3(dx,bp,ax,bx,cx,12) RD3(cx,dx,bp,ax,bx,13) RD3(bx,cx,dx,bp,ax,14)
|
||||
RD3(ax,bx,cx,dx,bp,15) RD3(bp,ax,bx,cx,dx,16) RD3(dx,bp,ax,bx,cx,17) RD3(cx,dx,bp,ax,bx,18) RD3(bx,cx,dx,bp,ax,19)
|
||||
/* in hash_md5_sha_x86-64.S */
|
||||
struct ASM_expects_80 { char t[1 - 2*(offsetof(sha1_ctx_t, hash) != 80)]; };
|
||||
void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx UNUSED_PARAM);
|
||||
|
||||
#define RD4As(a,b,c,d,e, n13,n8,n2,n, RCONST) \
|
||||
"\n\
|
||||
loadW "n13", %esi # W[(n+13) & 15] \n\
|
||||
xorW "n8", %esi # ^W[(n+8) & 15] \n\
|
||||
xorW "n2", %esi # ^W[(n+2) & 15] \n\
|
||||
xorW "n", %esi # ^W[n & 15] \n\
|
||||
roll %esi # \n\
|
||||
storeW %esi, "n" # store to W[n & 15] \n\
|
||||
movl %e"c", %edi # c \n\
|
||||
xorl %e"d", %edi # ^d \n\
|
||||
xorl %e"b", %edi # ^b \n\
|
||||
leal "RCONST"(%r"e",%rsi), %e"e" # e += RCONST + mixed_W \n\
|
||||
addl %edi, %e"e" # e += (c ^ d ^ b) \n\
|
||||
movl %e"a", %esi # \n\
|
||||
roll $5, %esi # rotl32(a,5) \n\
|
||||
addl %esi, %e"e" # e += rotl32(a,5) \n\
|
||||
rorl $2, %e"b" # b = rotl32(b,30) \n\
|
||||
"
|
||||
#define RD4Bs(a,b,c,d,e, n13,n8,n2,n, RCONST) \
|
||||
"\n\
|
||||
loadW "n13", %esi # W[(n+13) & 15] \n\
|
||||
xorW "n8", %esi # ^W[(n+8) & 15] \n\
|
||||
xorW "n2", %esi # ^W[(n+2) & 15] \n\
|
||||
xorW "n", %esi # ^W[n & 15] \n\
|
||||
roll %esi # \n\
|
||||
#storeW %esi, "n" # store to W[n & 15] elided \n\
|
||||
movl %e"c", %edi # c \n\
|
||||
xorl %e"d", %edi # ^d \n\
|
||||
xorl %e"b", %edi # ^b \n\
|
||||
leal "RCONST"(%r"e",%rsi), %e"e" # e += RCONST + mixed_W \n\
|
||||
addl %edi, %e"e" # e += (c ^ d ^ b) \n\
|
||||
movl %e"a", %esi # \n\
|
||||
roll $5, %esi # rotl32(a,5) \n\
|
||||
addl %esi, %e"e" # e += rotl32(a,5) \n\
|
||||
rorl $2, %e"b" # b = rotl32(b,30) \n\
|
||||
"
|
||||
#define RD4A(a,b,c,d,e, n) RD4As(STR(a),STR(b),STR(c),STR(d),STR(e), STR(((60+n+13)&15)), STR(((60+n+8)&15)), STR(((60+n+2)&15)), STR(((60+n)&15)), STR(RCONST))
|
||||
#define RD4B(a,b,c,d,e, n) RD4Bs(STR(a),STR(b),STR(c),STR(d),STR(e), STR(((60+n+13)&15)), STR(((60+n+8)&15)), STR(((60+n+2)&15)), STR(((60+n)&15)), STR(RCONST))
|
||||
#undef RCONST
|
||||
//#define RCONST 0xCA62C1D6 "out of range for signed 32bit displacement"
|
||||
#define RCONST -0x359d3e2a
|
||||
RD4A(ax,bx,cx,dx,bp, 0) RD4A(bp,ax,bx,cx,dx, 1) RD4A(dx,bp,ax,bx,cx, 2) RD4A(cx,dx,bp,ax,bx, 3) RD4A(bx,cx,dx,bp,ax, 4)
|
||||
RD4A(ax,bx,cx,dx,bp, 5) RD4A(bp,ax,bx,cx,dx, 6) RD4A(dx,bp,ax,bx,cx, 7) RD4A(cx,dx,bp,ax,bx, 8) RD4A(bx,cx,dx,bp,ax, 9)
|
||||
RD4A(ax,bx,cx,dx,bp,10) RD4A(bp,ax,bx,cx,dx,11) RD4A(dx,bp,ax,bx,cx,12) RD4A(cx,dx,bp,ax,bx,13) RD4A(bx,cx,dx,bp,ax,14)
|
||||
RD4A(ax,bx,cx,dx,bp,15) RD4A(bp,ax,bx,cx,dx,16) RD4B(dx,bp,ax,bx,cx,17) RD4B(cx,dx,bp,ax,bx,18) RD4B(bx,cx,dx,bp,ax,19)
|
||||
|
||||
"\n\
|
||||
popq %rdi # \n\
|
||||
addl %eax, 80(%rdi) # ctx->hash[0] += a \n\
|
||||
addl %ebx, 84(%rdi) # ctx->hash[1] += b \n\
|
||||
addl %ecx, 88(%rdi) # ctx->hash[2] += c \n\
|
||||
addl %edx, 92(%rdi) # ctx->hash[3] += d \n\
|
||||
addl %ebp, 96(%rdi) # ctx->hash[4] += e \n\
|
||||
popq %rbx # \n\
|
||||
popq %rbp # \n\
|
||||
popq %r12 # \n\
|
||||
popq %r13 # \n\
|
||||
popq %r14 # \n\
|
||||
popq %r15 # \n\
|
||||
"
|
||||
); /* asm */
|
||||
#undef RCONST
|
||||
}
|
||||
# else
|
||||
/* Fast, fully-unrolled SHA1. +3800 bytes of code on x86.
|
||||
* It seems further speedup can be achieved by handling more than
|
||||
|
|
|
|||
1349
libbb/hash_md5_sha_x86-64.S
Normal file
1349
libbb/hash_md5_sha_x86-64.S
Normal file
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user