[git commit] libbb/sha256: optional x86 hardware accelerated hashing
Denys Vlasenko
vda.linux at googlemail.com
Thu Feb 3 13:58:02 UTC 2022
commit: https://git.busybox.net/busybox/commit/?id=6472ac942898437e040171cec991de1c0b962f72
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master
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 at googlemail.com>
---
libbb/Config.src | 6 +
libbb/Kbuild.src | 2 +
libbb/hash_md5_sha.c | 54 ++++---
libbb/hash_md5_sha256_x86-32_shaNI.S | 283 +++++++++++++++++++++++++++++++++++
libbb/hash_md5_sha256_x86-64_shaNI.S | 281 ++++++++++++++++++++++++++++++++++
libbb/hash_md5_sha_x86-32_shaNI.S | 4 +-
libbb/hash_md5_sha_x86-64.S | 2 +-
libbb/hash_md5_sha_x86-64.S.sh | 2 +-
libbb/hash_md5_sha_x86-64_shaNI.S | 4 +-
9 files changed, 612 insertions(+), 26 deletions(-)
diff --git a/libbb/Config.src b/libbb/Config.src
index 708d3b0c8..0ecd5bd46 100644
--- a/libbb/Config.src
+++ b/libbb/Config.src
@@ -70,6 +70,12 @@ config SHA1_HWACCEL
On x86, this adds ~590 bytes of code. Throughput
is about twice as fast as fully-unrolled generic code.
+config SHA256_HWACCEL
+ bool "SHA256: Use hardware accelerated instructions if possible"
+ default y
+ help
+ On x86, this adds ~1k bytes of code.
+
config SHA3_SMALL
int "SHA3: Trade bytes for speed (0:fast, 1:slow)"
default 1 # all "fast or small" options default to small
diff --git a/libbb/Kbuild.src b/libbb/Kbuild.src
index b9d34de8e..653025e56 100644
--- a/libbb/Kbuild.src
+++ b/libbb/Kbuild.src
@@ -59,6 +59,8 @@ lib-y += hash_md5_sha.o
lib-y += hash_md5_sha_x86-64.o
lib-y += hash_md5_sha_x86-64_shaNI.o
lib-y += hash_md5_sha_x86-32_shaNI.o
+lib-y += hash_md5_sha256_x86-64_shaNI.o
+lib-y += hash_md5_sha256_x86-32_shaNI.o
# Alternative (disabled) MD5 implementation
#lib-y += hash_md5prime.o
lib-y += messages.o
diff --git a/libbb/hash_md5_sha.c b/libbb/hash_md5_sha.c
index a23db5152..880ffab01 100644
--- a/libbb/hash_md5_sha.c
+++ b/libbb/hash_md5_sha.c
@@ -13,6 +13,27 @@
#define NEED_SHA512 (ENABLE_SHA512SUM || ENABLE_USE_BB_CRYPT_SHA)
+#if ENABLE_SHA1_HWACCEL || ENABLE_SHA256_HWACCEL
+# if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
+static void cpuid(unsigned *eax, unsigned *ebx, unsigned *ecx, unsigned *edx)
+{
+ asm ("cpuid"
+ : "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx)
+ : "0"(*eax), "1"(*ebx), "2"(*ecx), "3"(*edx)
+ );
+}
+static smallint shaNI;
+void FAST_FUNC sha1_process_block64_shaNI(sha1_ctx_t *ctx);
+void FAST_FUNC sha256_process_block64_shaNI(sha256_ctx_t *ctx);
+# if defined(__i386__)
+struct ASM_expects_76_shaNI { char t[1 - 2*(offsetof(sha256_ctx_t, hash) != 76)]; };
+# endif
+# if defined(__x86_64__)
+struct ASM_expects_80_shaNI { char t[1 - 2*(offsetof(sha256_ctx_t, hash) != 80)]; };
+# endif
+# endif
+#endif
+
/* gcc 4.2.1 optimizes rotr64 better with inline than with macro
* (for rotX32, there is no difference). Why? My guess is that
* macro requires clever common subexpression elimination heuristics
@@ -1142,25 +1163,6 @@ static void FAST_FUNC sha512_process_block128(sha512_ctx_t *ctx)
}
#endif /* NEED_SHA512 */
-#if ENABLE_SHA1_HWACCEL
-# if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
-static void cpuid(unsigned *eax, unsigned *ebx, unsigned *ecx, unsigned *edx)
-{
- asm ("cpuid"
- : "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx)
- : "0"(*eax), "1"(*ebx), "2"(*ecx), "3"(*edx)
- );
-}
-void FAST_FUNC sha1_process_block64_shaNI(sha1_ctx_t *ctx);
-# if defined(__i386__)
-struct ASM_expects_76_shaNI { char t[1 - 2*(offsetof(sha1_ctx_t, hash) != 76)]; };
-# endif
-# if defined(__x86_64__)
-struct ASM_expects_80_shaNI { char t[1 - 2*(offsetof(sha1_ctx_t, hash) != 80)]; };
-# endif
-# endif
-#endif
-
void FAST_FUNC sha1_begin(sha1_ctx_t *ctx)
{
ctx->hash[0] = 0x67452301;
@@ -1173,7 +1175,6 @@ void FAST_FUNC sha1_begin(sha1_ctx_t *ctx)
#if ENABLE_SHA1_HWACCEL
# if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
{
- static smallint shaNI;
if (!shaNI) {
unsigned eax = 7, ebx = ebx, ecx = 0, edx = edx;
cpuid(&eax, &ebx, &ecx, &edx);
@@ -1225,6 +1226,19 @@ void FAST_FUNC sha256_begin(sha256_ctx_t *ctx)
memcpy(&ctx->total64, init256, sizeof(init256));
/*ctx->total64 = 0; - done by prepending two 32-bit zeros to init256 */
ctx->process_block = sha256_process_block64;
+#if ENABLE_SHA256_HWACCEL
+# if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
+ {
+ if (!shaNI) {
+ unsigned eax = 7, ebx = ebx, ecx = 0, edx = edx;
+ cpuid(&eax, &ebx, &ecx, &edx);
+ shaNI = ((ebx >> 29) << 1) - 1;
+ }
+ if (shaNI > 0)
+ ctx->process_block = sha256_process_block64_shaNI;
+ }
+# endif
+#endif
}
#if NEED_SHA512
diff --git a/libbb/hash_md5_sha256_x86-32_shaNI.S b/libbb/hash_md5_sha256_x86-32_shaNI.S
new file mode 100644
index 000000000..56e37fa38
--- /dev/null
+++ b/libbb/hash_md5_sha256_x86-32_shaNI.S
@@ -0,0 +1,283 @@
+#if ENABLE_SHA256_HWACCEL && defined(__GNUC__) && defined(__i386__)
+/* 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 %eax
+
+#define SHA256CONSTANTS %ecx
+
+#define MSG %xmm0
+#define STATE0 %xmm1
+#define STATE1 %xmm2
+#define MSGTMP0 %xmm3
+#define MSGTMP1 %xmm4
+#define MSGTMP2 %xmm5
+#define MSGTMP3 %xmm6
+#define MSGTMP4 %xmm7
+
+ .balign 8 # allow decoders to fetch at least 3 first insns
+sha256_process_block64_shaNI:
+ pushl %ebp
+ movl %esp, %ebp
+ subl $32, %esp
+ andl $~0xF, %esp # paddd needs aligned memory operand
+
+ movu128 76+0*16(%eax), STATE0
+ movu128 76+1*16(%eax), 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, SHUF_MASK
+ lea K256, SHA256CONSTANTS
+
+ /* Save hash values for addition after rounds */
+ mova128 STATE0, 0*16(%esp)
+ mova128 STATE1, 1*16(%esp)
+
+ /* Rounds 0-3 */
+ movu128 0*16(DATA_PTR), MSG
+ pshufb PSHUFFLE_BSWAP32_FLIP_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 PSHUFFLE_BSWAP32_FLIP_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 PSHUFFLE_BSWAP32_FLIP_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 PSHUFFLE_BSWAP32_FLIP_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 0*16(%esp), STATE0
+ paddd 1*16(%esp), 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, 76+0*16(%eax)
+ movu128 STATE1, 76+1*16(%eax)
+
+ movl %ebp, %esp
+ popl %ebp
+ 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
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 000000000..1c2b75af3
--- /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
diff --git a/libbb/hash_md5_sha_x86-32_shaNI.S b/libbb/hash_md5_sha_x86-32_shaNI.S
index 166cfd38a..11b855e26 100644
--- a/libbb/hash_md5_sha_x86-32_shaNI.S
+++ b/libbb/hash_md5_sha_x86-32_shaNI.S
@@ -20,7 +20,7 @@
#define extr128_32 pextrd
//#define extr128_32 extractps # not shorter
- .section .text.sha1_process_block64_shaNI,"ax", at 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
@@ -224,7 +224,7 @@ 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
diff --git a/libbb/hash_md5_sha_x86-64.S b/libbb/hash_md5_sha_x86-64.S
index 743269d98..47ace60de 100644
--- a/libbb/hash_md5_sha_x86-64.S
+++ b/libbb/hash_md5_sha_x86-64.S
@@ -1394,7 +1394,7 @@ sha1_process_block64:
.size sha1_process_block64, .-sha1_process_block64
.section .rodata.cst16.sha1const, "aM", @progbits, 16
- .align 16
+ .balign 16
rconst0x5A827999:
.long 0x5A827999
.long 0x5A827999
diff --git a/libbb/hash_md5_sha_x86-64.S.sh b/libbb/hash_md5_sha_x86-64.S.sh
index 47c40af0d..656fb5414 100755
--- a/libbb/hash_md5_sha_x86-64.S.sh
+++ b/libbb/hash_md5_sha_x86-64.S.sh
@@ -433,7 +433,7 @@ echo "
.size sha1_process_block64, .-sha1_process_block64
.section .rodata.cst16.sha1const, \"aM\", @progbits, 16
- .align 16
+ .balign 16
rconst0x5A827999:
.long 0x5A827999
.long 0x5A827999
diff --git a/libbb/hash_md5_sha_x86-64_shaNI.S b/libbb/hash_md5_sha_x86-64_shaNI.S
index 33cc3bf7f..ba92f09df 100644
--- a/libbb/hash_md5_sha_x86-64_shaNI.S
+++ b/libbb/hash_md5_sha_x86-64_shaNI.S
@@ -20,7 +20,7 @@
#define extr128_32 pextrd
//#define extr128_32 extractps # not shorter
- .section .text.sha1_process_block64_shaNI,"ax", at 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
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