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libbb/sha256: optional x86 hardware accelerated hashing

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64 bit:
function                                             old     new   delta
sha256_process_block64_shaNI                           -     730    +730
.rodata                                           108314  108586    +272
sha256_begin                                          31      83     +52
------------------------------------------------------------------------------
(add/remove: 5/1 grow/shrink: 2/0 up/down: 1055/-1)          Total: 1054 bytes

32 bit:
function                                             old     new   delta
sha256_process_block64_shaNI                           -     747    +747
.rodata                                           104318  104590    +272
sha256_begin                                          29      84     +55
------------------------------------------------------------------------------
(add/remove: 5/1 grow/shrink: 2/0 up/down: 1075/-1)          Total: 1074 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2022-02-03 14:15:20 +01:00
parent 205042c07a
commit 6472ac9428
9 changed files with 612 additions and 26 deletions
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4
libbb/hash_md5_sha_x86-64_shaNI.S
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@@ -20,7 +20,7 @@
#define extr128_32 pextrd
//#define extr128_32 extractps # not shorter
.section .text.sha1_process_block64_shaNI,"ax",@progbits
.section .text.sha1_process_block64_shaNI, "ax", @progbits
.globl sha1_process_block64_shaNI
.hidden sha1_process_block64_shaNI
.type sha1_process_block64_shaNI, @function
@@ -218,7 +218,7 @@ sha1_process_block64_shaNI:
.size sha1_process_block64_shaNI, .-sha1_process_block64_shaNI
.section .rodata.cst16.PSHUFFLE_BYTE_FLIP_MASK, "aM", @progbits, 16
.align 16
.balign 16
PSHUFFLE_BYTE_FLIP_MASK:
.octa 0x000102030405060708090a0b0c0d0e0f