diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2025-07-22 16:43:22 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2025-07-22 16:43:22 +0200 |
| commit | e022ff88d14fe916d74fd1311b657dedfec59425 (patch) | |
| tree | 9364353149985befe3f02b855870c0122a470d4e /libbb | |
| parent | ed22c5bd4a537f016321a888743a8b12f6bb15a9 (diff) | |
libbb: SHA-NI - document that unpckhpd also works, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/hash_sha256_hwaccel_x86-32.S | 2 | ||||
| -rw-r--r-- | libbb/hash_sha256_hwaccel_x86-64.S | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/libbb/hash_sha256_hwaccel_x86-32.S b/libbb/hash_sha256_hwaccel_x86-32.S index 6362ae382..8d84055e8 100644 --- a/libbb/hash_sha256_hwaccel_x86-32.S +++ b/libbb/hash_sha256_hwaccel_x86-32.S @@ -66,11 +66,13 @@ sha256_process_block64_shaNI: // movhlps MSG, MSG // abcd -> cdcd (3 bytes of code) // shuf128_32 SHUF(2,3,n,n), MSG, MSG // abcd -> cdXX (4 bytes) // punpckhqdq MSG, MSG // abcd -> cdcd (4 bytes) +// unpckhpd MSG, MSG // abcd -> cdcd (4 bytes) // psrldq $8, MSG // abcd -> cd00 (5 bytes) // palignr $8, MSG, MSG // abcd -> cdab (6 bytes, SSSE3 insn) #define MOVE_UPPER64_DOWN(reg) movhlps reg, reg //#define MOVE_UPPER64_DOWN(reg) shuf128_32 SHUF(2,3,0,0), reg, reg //#define MOVE_UPPER64_DOWN(reg) punpckhqdq reg, reg +//#define MOVE_UPPER64_DOWN(reg) unpckhpd reg, reg //#define MOVE_UPPER64_DOWN(reg) psrldq $8, reg //#define MOVE_UPPER64_DOWN(reg) palignr $8, reg, reg diff --git a/libbb/hash_sha256_hwaccel_x86-64.S b/libbb/hash_sha256_hwaccel_x86-64.S index 92f00ebcd..ee3abbd1f 100644 --- a/libbb/hash_sha256_hwaccel_x86-64.S +++ b/libbb/hash_sha256_hwaccel_x86-64.S @@ -73,11 +73,13 @@ sha256_process_block64_shaNI: // movhlps MSG, MSG // abcd -> cdcd (3 bytes of code) // shuf128_32 SHUF(2,3,n,n), MSG, MSG // abcd -> cdXX (4 bytes) // punpckhqdq MSG, MSG // abcd -> cdcd (4 bytes) +// unpckhpd MSG, MSG // abcd -> cdcd (4 bytes) // psrldq $8, MSG // abcd -> cd00 (5 bytes) // palignr $8, MSG, MSG // abcd -> cdab (6 bytes, SSSE3 insn) #define MOVE_UPPER64_DOWN(reg) movhlps reg, reg //#define MOVE_UPPER64_DOWN(reg) shuf128_32 SHUF(2,3,0,0), reg, reg //#define MOVE_UPPER64_DOWN(reg) punpckhqdq reg, reg +//#define MOVE_UPPER64_DOWN(reg) unpckhpd reg, reg //#define MOVE_UPPER64_DOWN(reg) psrldq $8, reg //#define MOVE_UPPER64_DOWN(reg) palignr $8, reg, reg |