summaryrefslogtreecommitdiff
path: root/libbb/hash_md5_sha256_x86-64_shaNI.S
diff options
context:
space:
mode:
Diffstat (limited to 'libbb/hash_md5_sha256_x86-64_shaNI.S')
-rw-r--r--libbb/hash_md5_sha256_x86-64_shaNI.S281
1 files changed, 281 insertions, 0 deletions
diff --git a/libbb/hash_md5_sha256_x86-64_shaNI.S b/libbb/hash_md5_sha256_x86-64_shaNI.S
new file mode 100644
index 0000000..1c2b75a
--- /dev/null
+++ b/libbb/hash_md5_sha256_x86-64_shaNI.S
@@ -0,0 +1,281 @@
+#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 MSGTMP4 %xmm7
+
+#define SHUF_MASK %xmm8
+
+#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, MSGTMP4
+ palignr $8, STATE1, STATE0 /* ABEF */
+ pblendw $0xF0, MSGTMP4, STATE1 /* CDGH */
+
+ mova128 PSHUFFLE_BSWAP32_FLIP_MASK(%rip), SHUF_MASK
+ lea K256(%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 SHUF_MASK, MSG
+ mova128 MSG, MSGTMP0
+ paddd 0*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+
+ /* Rounds 4-7 */
+ movu128 1*16(DATA_PTR), MSG
+ pshufb SHUF_MASK, MSG
+ mova128 MSG, MSGTMP1
+ paddd 1*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 SHUF_MASK, MSG
+ mova128 MSG, MSGTMP2
+ paddd 2*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 SHUF_MASK, MSG
+ mova128 MSG, MSGTMP3
+ paddd 3*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP3, MSGTMP4
+ palignr $4, MSGTMP2, MSGTMP4
+ paddd MSGTMP4, MSGTMP0
+ sha256msg2 MSGTMP3, MSGTMP0
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP3, MSGTMP2
+
+ /* Rounds 16-19 */
+ mova128 MSGTMP0, MSG
+ paddd 4*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP0, MSGTMP4
+ palignr $4, MSGTMP3, MSGTMP4
+ paddd MSGTMP4, MSGTMP1
+ sha256msg2 MSGTMP0, MSGTMP1
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP0, MSGTMP3
+
+ /* Rounds 20-23 */
+ mova128 MSGTMP1, MSG
+ paddd 5*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP1, MSGTMP4
+ palignr $4, MSGTMP0, MSGTMP4
+ paddd MSGTMP4, MSGTMP2
+ sha256msg2 MSGTMP1, MSGTMP2
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP1, MSGTMP0
+
+ /* Rounds 24-27 */
+ mova128 MSGTMP2, MSG
+ paddd 6*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP2, MSGTMP4
+ palignr $4, MSGTMP1, MSGTMP4
+ paddd MSGTMP4, MSGTMP3
+ sha256msg2 MSGTMP2, MSGTMP3
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP2, MSGTMP1
+
+ /* Rounds 28-31 */
+ mova128 MSGTMP3, MSG
+ paddd 7*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP3, MSGTMP4
+ palignr $4, MSGTMP2, MSGTMP4
+ paddd MSGTMP4, MSGTMP0
+ sha256msg2 MSGTMP3, MSGTMP0
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP3, MSGTMP2
+
+ /* Rounds 32-35 */
+ mova128 MSGTMP0, MSG
+ paddd 8*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP0, MSGTMP4
+ palignr $4, MSGTMP3, MSGTMP4
+ paddd MSGTMP4, MSGTMP1
+ sha256msg2 MSGTMP0, MSGTMP1
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP0, MSGTMP3
+
+ /* Rounds 36-39 */
+ mova128 MSGTMP1, MSG
+ paddd 9*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP1, MSGTMP4
+ palignr $4, MSGTMP0, MSGTMP4
+ paddd MSGTMP4, MSGTMP2
+ sha256msg2 MSGTMP1, MSGTMP2
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP1, MSGTMP0
+
+ /* Rounds 40-43 */
+ mova128 MSGTMP2, MSG
+ paddd 10*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP2, MSGTMP4
+ palignr $4, MSGTMP1, MSGTMP4
+ paddd MSGTMP4, MSGTMP3
+ sha256msg2 MSGTMP2, MSGTMP3
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP2, MSGTMP1
+
+ /* Rounds 44-47 */
+ mova128 MSGTMP3, MSG
+ paddd 11*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP3, MSGTMP4
+ palignr $4, MSGTMP2, MSGTMP4
+ paddd MSGTMP4, MSGTMP0
+ sha256msg2 MSGTMP3, MSGTMP0
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP3, MSGTMP2
+
+ /* Rounds 48-51 */
+ mova128 MSGTMP0, MSG
+ paddd 12*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP0, MSGTMP4
+ palignr $4, MSGTMP3, MSGTMP4
+ paddd MSGTMP4, MSGTMP1
+ sha256msg2 MSGTMP0, MSGTMP1
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+ sha256msg1 MSGTMP0, MSGTMP3
+
+ /* Rounds 52-55 */
+ mova128 MSGTMP1, MSG
+ paddd 13*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP1, MSGTMP4
+ palignr $4, MSGTMP0, MSGTMP4
+ paddd MSGTMP4, MSGTMP2
+ sha256msg2 MSGTMP1, MSGTMP2
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+
+ /* Rounds 56-59 */
+ mova128 MSGTMP2, MSG
+ paddd 14*16(SHA256CONSTANTS), MSG
+ sha256rnds2 STATE0, STATE1
+ mova128 MSGTMP2, MSGTMP4
+ palignr $4, MSGTMP1, MSGTMP4
+ paddd MSGTMP4, MSGTMP3
+ sha256msg2 MSGTMP2, MSGTMP3
+ shuf128_32 $0x0E, MSG, MSG
+ sha256rnds2 STATE1, STATE0
+
+ /* Rounds 60-63 */
+ mova128 MSGTMP3, MSG
+ paddd 15*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, MSGTMP4
+ pblendw $0xF0, STATE1, STATE0 /* DCBA */
+ palignr $8, MSGTMP4, 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
generated by cgit v1.1 at 2024-11-01 18:31:03 +0000