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| author |   David S. Miller <davem@davemloft.net> | 2012-08-28 20:55:19 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-08-28 20:55:19 -0700 |
| commit | 45dfe237a865368929534ec75fe5f26c151c88d9 (patch) | |
| tree | fc79f99fad778fbec978932f9bf7d08e9410102d /arch/sparc/crypto/sha512_asm.S | |
| parent | sparc64: Add CAMELLIA driver making use of the new camellia opcodes. (diff) | |
| download | linux-dev-45dfe237a865368929534ec75fe5f26c151c88d9.tar.xz linux-dev-45dfe237a865368929534ec75fe5f26c151c88d9.zip | |
sparc64: Use fsrc2 instead of fsrc1 in sparc64 hash crypto drivers.
On SPARC-T4 fsrc2 has 1 cycle of latency, whereas fsrc1 has 11 cycles.
True story.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/crypto/sha512_asm.S')
| -rw-r--r-- | arch/sparc/crypto/sha512_asm.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc/crypto/sha512_asm.S b/arch/sparc/crypto/sha512_asm.S index 04244da50774..650ba5742f0e 100644 --- a/arch/sparc/crypto/sha512_asm.S +++ b/arch/sparc/crypto/sha512_asm.S @@ -94,7 +94,7 @@ ENTRY(sha512_sparc64_transform) .word 0x81b02860 subcc %o2, 1, %o2 - fsrc1 %f50, %f18 + fsrc2 %f50, %f18 bne,pt %xcc, 1b add %o1, 0x80, %o1 |