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libbb/sha1: shrink and speed up unrolled x86-64 code

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function                                             old     new   delta
sha1_process_block64                                3514    3482     -32

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2022-02-07 02:06:18 +01:00
parent 987be932ed
commit c193cbd6df
6 changed files with 131 additions and 46 deletions
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8
libbb/hash_md5_sha256_x86-64_shaNI.S
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@@ -253,8 +253,8 @@ sha256_process_block64_shaNI:
ret
.size sha256_process_block64_shaNI, .-sha256_process_block64_shaNI
.section .rodata.cst256.K256, "aM", @progbits, 256
.balign 16
.section .rodata.cst256.K256, "aM", @progbits, 256
.balign 16
K256:
.long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
.long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
@@ -273,8 +273,8 @@ K256:
.long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
.long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
.section .rodata.cst16.PSHUFFLE_BSWAP32_FLIP_MASK, "aM", @progbits, 16
.balign 16
.section .rodata.cst16.PSHUFFLE_BSWAP32_FLIP_MASK, "aM", @progbits, 16
.balign 16
PSHUFFLE_BSWAP32_FLIP_MASK:
.octa 0x0c0d0e0f08090a0b0405060700010203