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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 | |
| parent | 81658ad0d92306ceb271994b90cd49ffde10eeda (diff) | |
| download | linux-45dfe237a865368929534ec75fe5f26c151c88d9.tar.gz linux-45dfe237a865368929534ec75fe5f26c151c88d9.tar.bz2 linux-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')
| -rw-r--r-- | arch/sparc/crypto/md5_asm.S | 2 | ||||
| -rw-r--r-- | arch/sparc/crypto/sha1_asm.S | 2 | ||||
| -rw-r--r-- | arch/sparc/crypto/sha256_asm.S | 2 | ||||
| -rw-r--r-- | arch/sparc/crypto/sha512_asm.S | 2 |
4 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc/crypto/md5_asm.S b/arch/sparc/crypto/md5_asm.S index 220b73baa551..ff90903180eb 100644 --- a/arch/sparc/crypto/md5_asm.S +++ b/arch/sparc/crypto/md5_asm.S @@ -62,7 +62,7 @@ ENTRY(md5_sparc64_transform) .word 0x81b02800 subcc %o2, 1, %o2 - fsrc1 %f26, %f10 + fsrc2 %f26, %f10 bne,pt %xcc, 1b add %o1, 0x40, %o1 diff --git a/arch/sparc/crypto/sha1_asm.S b/arch/sparc/crypto/sha1_asm.S index d2147eb054c1..3cd218ac631b 100644 --- a/arch/sparc/crypto/sha1_asm.S +++ b/arch/sparc/crypto/sha1_asm.S @@ -64,7 +64,7 @@ ENTRY(sha1_sparc64_transform) .word 0x81b02820 subcc %o2, 1, %o2 - fsrc1 %f26, %f10 + fsrc2 %f26, %f10 bne,pt %xcc, 1b add %o1, 0x40, %o1 diff --git a/arch/sparc/crypto/sha256_asm.S b/arch/sparc/crypto/sha256_asm.S index 771ce265f64a..9da84f5b61f5 100644 --- a/arch/sparc/crypto/sha256_asm.S +++ b/arch/sparc/crypto/sha256_asm.S @@ -70,7 +70,7 @@ ENTRY(sha256_sparc64_transform) .word 0x81b02840 subcc %o2, 1, %o2 - fsrc1 %f26, %f10 + fsrc2 %f26, %f10 bne,pt %xcc, 1b add %o1, 0x40, %o1 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 |