From: Andy Polyakov <appro@openssl.org>
Date: Sun, 14 Oct 2012 14:46:56 +0000 (+0000)
Subject: [md5|sha1|sha512]-sparcv9.pl: "cooperative" optimizations based on
X-Git-Tag: master-post-reformat~1666
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=aea4126e4e99e7d7ae10374f30fbb566be6f07ff

[md5|sha1|sha512]-sparcv9.pl: "cooperative" optimizations based on
suggestions from David Miller.
---

diff --git a/crypto/md5/asm/md5-sparcv9.pl b/crypto/md5/asm/md5-sparcv9.pl
index 5875779101..062a0738c4 100644
--- a/crypto/md5/asm/md5-sparcv9.pl
+++ b/crypto/md5/asm/md5-sparcv9.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 
 # ====================================================================
-# Written by Andy Polyakov <appro@opensl.org> for the OpenSSL
+# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
 # project. The module is, however, dual licensed under OpenSSL and
 # CRYPTOGAMS licenses depending on where you obtain it. For further
 # details see http://www.openssl.org/~appro/cryptogams/.
@@ -242,6 +242,7 @@ md5_block_asm_data_order:
 	subcc	%o2, 1, %o2		! done yet? 
 	ldd	[%o1 + 0x38], %f22
 	add	%o1, 0x40, %o1
+	prefetch [%o1 + 63], 20
 
 	.word	0x81b02800		! MD5
 
@@ -272,6 +273,7 @@ md5_block_asm_data_order:
 	subcc	%o2, 1, %o2		! done yet?
 	ldd	[%o1 + 0x40], %f26
 	add	%o1, 0x40, %o1
+	prefetch [%o1 + 63], 20
 
 	faligndata %f10, %f12, %f8
 	faligndata %f12, %f14, %f10
diff --git a/crypto/sha/asm/sha1-sparcv9.pl b/crypto/sha/asm/sha1-sparcv9.pl
index f661e96524..47a82d3267 100644
--- a/crypto/sha/asm/sha1-sparcv9.pl
+++ b/crypto/sha/asm/sha1-sparcv9.pl
@@ -227,6 +227,7 @@ sha1_block_data_order:
 	subcc	%o2, 1, %o2		! done yet? 
 	ldd	[%o1 + 0x38], %f22
 	add	%o1, 0x40, %o1
+	prefetch [%o1 + 63], 20
 
 	.word	0x81b02820		! SHA1
 
@@ -257,6 +258,7 @@ sha1_block_data_order:
 	subcc	%o2, 1, %o2		! done yet?
 	ldd	[%o1 + 0x40], %f26
 	add	%o1, 0x40, %o1
+	prefetch [%o1 + 63], 20
 
 	faligndata %f10, %f12, %f8
 	faligndata %f12, %f14, %f10
diff --git a/crypto/sha/asm/sha512-sparcv9.pl b/crypto/sha/asm/sha512-sparcv9.pl
index 011b534f82..4c749a5c8f 100644
--- a/crypto/sha/asm/sha512-sparcv9.pl
+++ b/crypto/sha/asm/sha512-sparcv9.pl
@@ -514,6 +514,8 @@ $code.=<<___ if ($SZ==8); 		# SHA512
 	subcc	%o2, 1, %o2		! done yet?
 	ldd	[%o1 + 0x78], %f46
 	add	%o1, 0x80, %o1
+	prefetch [%o1 + 63], 20
+	prefetch [%o1 + 64+63], 20
 
 	.word	0x81b02860		! SHA512
 
@@ -555,6 +557,8 @@ $code.=<<___ if ($SZ==8); 		# SHA512
 	subcc	%o2, 1, %o2		! done yet?
 	ldd	[%o1 + 0x80], %f50
 	add	%o1, 0x80, %o1
+	prefetch [%o1 + 63], 20
+	prefetch [%o1 + 64+63], 20
 
 	faligndata %f18, %f20, %f16
 	faligndata %f20, %f22, %f18
@@ -604,6 +608,7 @@ $code.=<<___ if ($SZ==4); 		# SHA256
 	subcc	%o2, 1, %o2		! done yet?
 	ldd	[%o1 + 0x38], %f22
 	add	%o1, 0x40, %o1
+	prefetch [%o1 + 63], 20
 
 	.word	0x81b02840		! SHA256
 
@@ -637,6 +642,7 @@ $code.=<<___ if ($SZ==4); 		# SHA256
 	subcc	%o2, 1, %o2		! done yet?
 	ldd	[%o1 + 0x40], %f26
 	add	%o1, 0x40, %o1
+	prefetch [%o1 + 63], 20
 
 	faligndata %f10, %f12, %f8
 	faligndata %f12, %f14, %f10