Since blake2s_compress() is always passed nblocks != 0, remove the
unnecessary check for nblocks == 0 from blake2s_compress_ssse3().
Note that this makes it consistent with blake2s_compress_avx512() in the
same file as well as the arm32 blake2s_compress().
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
---
This patch is targeting libcrypto-next
lib/crypto/x86/blake2s-core.S | 3 ---
1 file changed, 3 deletions(-)
diff --git a/lib/crypto/x86/blake2s-core.S b/lib/crypto/x86/blake2s-core.S
index ef8e9f427aab..7b820d3eda2c 100644
--- a/lib/crypto/x86/blake2s-core.S
+++ b/lib/crypto/x86/blake2s-core.S
@@ -43,12 +43,10 @@ SIGMA2:
.byte 15, 5, 4, 13, 10, 7, 3, 11, 12, 2, 0, 6, 9, 8, 1, 14
.byte 8, 7, 14, 11, 13, 15, 0, 12, 10, 4, 5, 6, 3, 2, 1, 9
.text
SYM_FUNC_START(blake2s_compress_ssse3)
- testq %rdx,%rdx
- je .Lendofloop
movdqu (%rdi),%xmm0
movdqu 0x10(%rdi),%xmm1
movdqa ROT16(%rip),%xmm12
movdqa ROR328(%rip),%xmm13
movdqu 0x20(%rdi),%xmm14
@@ -166,11 +164,10 @@ SYM_FUNC_START(blake2s_compress_ssse3)
decq %rdx
jnz .Lbeginofloop
movdqu %xmm0,(%rdi)
movdqu %xmm1,0x10(%rdi)
movdqu %xmm14,0x20(%rdi)
-.Lendofloop:
RET
SYM_FUNC_END(blake2s_compress_ssse3)
SYM_FUNC_START(blake2s_compress_avx512)
vmovdqu (%rdi),%xmm0
base-commit: 5a2a5e62a5216ba05d4481cf90d915f4de0bfde9
--
2.51.2