c0ff0d4528
function old new delta sha256_process_block64_shaNI 713 697 -16 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
283 lines
7.6 KiB
ArmAsm
283 lines
7.6 KiB
ArmAsm
#if ENABLE_SHA256_HWACCEL && defined(__GNUC__) && defined(__x86_64__)
|
|
/* The code is adapted from Linux kernel's source */
|
|
|
|
// We use shorter insns, even though they are for "wrong"
|
|
// data type (fp, not int).
|
|
// For Intel, there is no penalty for doing it at all
|
|
// (CPUs which do have such penalty do not support SHA1 insns).
|
|
// For AMD, the penalty is one extra cycle
|
|
// (allegedly: I failed to find measurable difference).
|
|
|
|
//#define mova128 movdqa
|
|
#define mova128 movaps
|
|
//#define movu128 movdqu
|
|
#define movu128 movups
|
|
//#define shuf128_32 pshufd
|
|
#define shuf128_32 shufps
|
|
|
|
.section .text.sha256_process_block64_shaNI, "ax", @progbits
|
|
.globl sha256_process_block64_shaNI
|
|
.hidden sha256_process_block64_shaNI
|
|
.type sha256_process_block64_shaNI, @function
|
|
|
|
#define DATA_PTR %rdi
|
|
|
|
#define SHA256CONSTANTS %rax
|
|
|
|
#define MSG %xmm0
|
|
#define STATE0 %xmm1
|
|
#define STATE1 %xmm2
|
|
#define MSGTMP0 %xmm3
|
|
#define MSGTMP1 %xmm4
|
|
#define MSGTMP2 %xmm5
|
|
#define MSGTMP3 %xmm6
|
|
|
|
#define XMMTMP %xmm7
|
|
|
|
#define ABEF_SAVE %xmm9
|
|
#define CDGH_SAVE %xmm10
|
|
|
|
.balign 8 # allow decoders to fetch at least 2 first insns
|
|
sha256_process_block64_shaNI:
|
|
movu128 80+0*16(%rdi), STATE0
|
|
movu128 80+1*16(%rdi), STATE1
|
|
|
|
shuf128_32 $0xB1, STATE0, STATE0 /* CDAB */
|
|
shuf128_32 $0x1B, STATE1, STATE1 /* EFGH */
|
|
mova128 STATE0, XMMTMP
|
|
palignr $8, STATE1, STATE0 /* ABEF */
|
|
pblendw $0xF0, XMMTMP, STATE1 /* CDGH */
|
|
|
|
/* XMMTMP holds flip mask from here... */
|
|
mova128 PSHUFFLE_BSWAP32_FLIP_MASK(%rip), XMMTMP
|
|
leaq K256+8*16(%rip), SHA256CONSTANTS
|
|
|
|
/* Save hash values for addition after rounds */
|
|
mova128 STATE0, ABEF_SAVE
|
|
mova128 STATE1, CDGH_SAVE
|
|
|
|
/* Rounds 0-3 */
|
|
movu128 0*16(DATA_PTR), MSG
|
|
pshufb XMMTMP, MSG
|
|
mova128 MSG, MSGTMP0
|
|
paddd 0*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
|
|
/* Rounds 4-7 */
|
|
movu128 1*16(DATA_PTR), MSG
|
|
pshufb XMMTMP, MSG
|
|
mova128 MSG, MSGTMP1
|
|
paddd 1*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP1, MSGTMP0
|
|
|
|
/* Rounds 8-11 */
|
|
movu128 2*16(DATA_PTR), MSG
|
|
pshufb XMMTMP, MSG
|
|
mova128 MSG, MSGTMP2
|
|
paddd 2*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP2, MSGTMP1
|
|
|
|
/* Rounds 12-15 */
|
|
movu128 3*16(DATA_PTR), MSG
|
|
pshufb XMMTMP, MSG
|
|
/* ...to here */
|
|
mova128 MSG, MSGTMP3
|
|
paddd 3*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP3, XMMTMP
|
|
palignr $4, MSGTMP2, XMMTMP
|
|
paddd XMMTMP, MSGTMP0
|
|
sha256msg2 MSGTMP3, MSGTMP0
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP3, MSGTMP2
|
|
|
|
/* Rounds 16-19 */
|
|
mova128 MSGTMP0, MSG
|
|
paddd 4*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP0, XMMTMP
|
|
palignr $4, MSGTMP3, XMMTMP
|
|
paddd XMMTMP, MSGTMP1
|
|
sha256msg2 MSGTMP0, MSGTMP1
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP0, MSGTMP3
|
|
|
|
/* Rounds 20-23 */
|
|
mova128 MSGTMP1, MSG
|
|
paddd 5*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP1, XMMTMP
|
|
palignr $4, MSGTMP0, XMMTMP
|
|
paddd XMMTMP, MSGTMP2
|
|
sha256msg2 MSGTMP1, MSGTMP2
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP1, MSGTMP0
|
|
|
|
/* Rounds 24-27 */
|
|
mova128 MSGTMP2, MSG
|
|
paddd 6*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP2, XMMTMP
|
|
palignr $4, MSGTMP1, XMMTMP
|
|
paddd XMMTMP, MSGTMP3
|
|
sha256msg2 MSGTMP2, MSGTMP3
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP2, MSGTMP1
|
|
|
|
/* Rounds 28-31 */
|
|
mova128 MSGTMP3, MSG
|
|
paddd 7*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP3, XMMTMP
|
|
palignr $4, MSGTMP2, XMMTMP
|
|
paddd XMMTMP, MSGTMP0
|
|
sha256msg2 MSGTMP3, MSGTMP0
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP3, MSGTMP2
|
|
|
|
/* Rounds 32-35 */
|
|
mova128 MSGTMP0, MSG
|
|
paddd 8*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP0, XMMTMP
|
|
palignr $4, MSGTMP3, XMMTMP
|
|
paddd XMMTMP, MSGTMP1
|
|
sha256msg2 MSGTMP0, MSGTMP1
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP0, MSGTMP3
|
|
|
|
/* Rounds 36-39 */
|
|
mova128 MSGTMP1, MSG
|
|
paddd 9*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP1, XMMTMP
|
|
palignr $4, MSGTMP0, XMMTMP
|
|
paddd XMMTMP, MSGTMP2
|
|
sha256msg2 MSGTMP1, MSGTMP2
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP1, MSGTMP0
|
|
|
|
/* Rounds 40-43 */
|
|
mova128 MSGTMP2, MSG
|
|
paddd 10*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP2, XMMTMP
|
|
palignr $4, MSGTMP1, XMMTMP
|
|
paddd XMMTMP, MSGTMP3
|
|
sha256msg2 MSGTMP2, MSGTMP3
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP2, MSGTMP1
|
|
|
|
/* Rounds 44-47 */
|
|
mova128 MSGTMP3, MSG
|
|
paddd 11*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP3, XMMTMP
|
|
palignr $4, MSGTMP2, XMMTMP
|
|
paddd XMMTMP, MSGTMP0
|
|
sha256msg2 MSGTMP3, MSGTMP0
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP3, MSGTMP2
|
|
|
|
/* Rounds 48-51 */
|
|
mova128 MSGTMP0, MSG
|
|
paddd 12*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP0, XMMTMP
|
|
palignr $4, MSGTMP3, XMMTMP
|
|
paddd XMMTMP, MSGTMP1
|
|
sha256msg2 MSGTMP0, MSGTMP1
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
sha256msg1 MSGTMP0, MSGTMP3
|
|
|
|
/* Rounds 52-55 */
|
|
mova128 MSGTMP1, MSG
|
|
paddd 13*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP1, XMMTMP
|
|
palignr $4, MSGTMP0, XMMTMP
|
|
paddd XMMTMP, MSGTMP2
|
|
sha256msg2 MSGTMP1, MSGTMP2
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
|
|
/* Rounds 56-59 */
|
|
mova128 MSGTMP2, MSG
|
|
paddd 14*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
mova128 MSGTMP2, XMMTMP
|
|
palignr $4, MSGTMP1, XMMTMP
|
|
paddd XMMTMP, MSGTMP3
|
|
sha256msg2 MSGTMP2, MSGTMP3
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
|
|
/* Rounds 60-63 */
|
|
mova128 MSGTMP3, MSG
|
|
paddd 15*16-8*16(SHA256CONSTANTS), MSG
|
|
sha256rnds2 STATE0, STATE1
|
|
shuf128_32 $0x0E, MSG, MSG
|
|
sha256rnds2 STATE1, STATE0
|
|
|
|
/* Add current hash values with previously saved */
|
|
paddd ABEF_SAVE, STATE0
|
|
paddd CDGH_SAVE, STATE1
|
|
|
|
/* Write hash values back in the correct order */
|
|
shuf128_32 $0x1B, STATE0, STATE0 /* FEBA */
|
|
shuf128_32 $0xB1, STATE1, STATE1 /* DCHG */
|
|
mova128 STATE0, XMMTMP
|
|
pblendw $0xF0, STATE1, STATE0 /* DCBA */
|
|
palignr $8, XMMTMP, STATE1 /* HGFE */
|
|
|
|
movu128 STATE0, 80+0*16(%rdi)
|
|
movu128 STATE1, 80+1*16(%rdi)
|
|
|
|
ret
|
|
.size sha256_process_block64_shaNI, .-sha256_process_block64_shaNI
|
|
|
|
.section .rodata.cst256.K256, "aM", @progbits, 256
|
|
.balign 16
|
|
K256:
|
|
.long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
|
|
.long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
|
|
.long 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
|
|
.long 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
|
|
.long 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
|
|
.long 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
|
|
.long 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
|
|
.long 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
|
|
.long 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
|
|
.long 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
|
|
.long 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
|
|
.long 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
|
|
.long 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
|
|
.long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
|
|
.long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
|
|
.long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
|
|
|
|
.section .rodata.cst16.PSHUFFLE_BSWAP32_FLIP_MASK, "aM", @progbits, 16
|
|
.balign 16
|
|
PSHUFFLE_BSWAP32_FLIP_MASK:
|
|
.octa 0x0c0d0e0f08090a0b0405060700010203
|
|
|
|
#endif
|