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>
git-mirror · Aug 29, 2012 · 45dfe23 · 45dfe23
1 parent 81658ad
commit 45dfe23
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Showing 4 changed files with 4 additions and 4 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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