From: Andy Polyakov <appro@openssl.org>
Date: Thu, 13 Sep 2007 07:27:10 +0000 (+0000)
Subject: Commentary updates.
X-Git-Tag: OpenSSL_0_9_8k^2~712
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=399f94bfb45c993d7e08d604532d1dc72dc944a4

Commentary updates.
---

diff --git a/crypto/sha/asm/sha1-ppc.pl b/crypto/sha/asm/sha1-ppc.pl
index fbd051652c..2c84d59149 100755
--- a/crypto/sha/asm/sha1-ppc.pl
+++ b/crypto/sha/asm/sha1-ppc.pl
@@ -18,6 +18,7 @@
 # 			-m64	-m32
 # ----------------------------------
 # PPC970,gcc-4.0.0	+76%	+59%
+# Power6,xlc-7		+68%	+33%
 
 $output = shift;
 
diff --git a/crypto/sha/asm/sha1-x86_64.pl b/crypto/sha/asm/sha1-x86_64.pl
index 93a4f01796..f7ed67a726 100755
--- a/crypto/sha/asm/sha1-x86_64.pl
+++ b/crypto/sha/asm/sha1-x86_64.pl
@@ -27,7 +27,7 @@
 #		gcc 3.4		32-bit asm	cycles/byte
 # Opteron	+45%		+20%		6.8
 # Xeon P4	+65%		+0%		9.9
-# Core2		+60%		+10%		8.8
+# Core2		+60%		+10%		7.0
 
 $output=shift;
 
diff --git a/crypto/sha/asm/sha256-armv4.pl b/crypto/sha/asm/sha256-armv4.pl
index d2465e3aa8..4dd09619a6 100644
--- a/crypto/sha/asm/sha256-armv4.pl
+++ b/crypto/sha/asm/sha256-armv4.pl
@@ -7,9 +7,11 @@
 # details see http://www.openssl.org/~appro/cryptogams/.
 # ====================================================================
 
-# SHA256 block procedure for ARMv4.
+# SHA256 block procedure for ARMv4. May 2007.
 
-# Performance is ~2x better than gcc 3.4 generated code.
+# Performance is ~2x better than gcc 3.4 generated code and in "abso-
+# lute" terms is ~2250 cycles per 64-byte block or ~35 cycles per
+# byte.
 
 $ctx="r0";	$t0="r0";
 $inp="r1";
@@ -165,7 +167,7 @@ $code.=<<___;
 	tst	lr,#1
 	moveq	pc,lr			@ be binary compatible with V4, yet
 	bx	lr			@ interoperable with Thumb ISA:-)
-.size   sha256_block_data_order,.-sha1_block_data_order
+.size   sha256_block_data_order,.-sha256_block_data_order
 .asciz  "SHA256 block transform for ARMv4, CRYPTOGAMS by <appro\@openssl.org>"
 ___
 
diff --git a/crypto/sha/asm/sha512-ppc.pl b/crypto/sha/asm/sha512-ppc.pl
index 087faab866..0ec4b0bcc3 100755
--- a/crypto/sha/asm/sha512-ppc.pl
+++ b/crypto/sha/asm/sha512-ppc.pl
@@ -16,6 +16,7 @@
 # 			-m64	-m32	|	-m64	-m32
 # --------------------------------------+-----------------------
 # PPC970,gcc-4.0.0	+50%	+38%	|	+40%	+410%(*)
+# Power6,xlc-7		+150%	+90%	|	+100%	+430%(*)
 #
 # (*)	64-bit code in 32-bit application context, which actually is
 #	on TODO list. It should be noted that for safe deployment in
diff --git a/crypto/sha/asm/sha512-s390x.pl b/crypto/sha/asm/sha512-s390x.pl
index 5dd17473fa..d2aceec68c 100644
--- a/crypto/sha/asm/sha512-s390x.pl
+++ b/crypto/sha/asm/sha512-s390x.pl
@@ -12,7 +12,7 @@
 # April 2007.
 #
 # sha256_block_data_order is reportedly >3 times faster than gcc 3.3
-# generated code (must to be a bug in compiler, as improvement is
+# generated code (must be a bug in compiler, as improvement is
 # "pathologically" high, in particular in comparison to other SHA
 # modules). But the real twist is that it detects if hardware support
 # for SHA256 is available and in such case utilizes it. Then the