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GNU C Library master sources branch, master, updated. glibc-2.12-84-g66f6765
- From: drepper at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 30 Jul 2010 19:57:17 -0000
- Subject: GNU C Library master sources branch, master, updated. glibc-2.12-84-g66f6765
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=66f6765a472452937fa821d6c30e2396e113bd60
commit 66f6765a472452937fa821d6c30e2396e113bd60
Author: Ulrich Drepper <drepper@redhat.com>
Date: Fri Jul 30 12:54:37 2010 -0700
Pretty printing x86-64 SSE4.3 strcmp.
diff --git a/ChangeLog b/ChangeLog
index 7b8c416..38df1ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
2010-07-30 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/x86_64/multiarch/strcmp.S: Pretty printing.
+
* string/Makefile (strop-tests): Add strcasecmp.
* sysdeps/x86_64/Makefile [subdir=string] (sysdep_routines): Add
strcasecmp_l-nonascii.
diff --git a/sysdeps/x86_64/multiarch/strcmp.S b/sysdeps/x86_64/multiarch/strcmp.S
index 1d93919..2de1191 100644
--- a/sysdeps/x86_64/multiarch/strcmp.S
+++ b/sysdeps/x86_64/multiarch/strcmp.S
@@ -1,5 +1,5 @@
/* strcmp with SSE4.2
- Copyright (C) 2009 Free Software Foundation, Inc.
+ Copyright (C) 2009, 2010 Free Software Foundation, Inc.
Contributed by Intel Corporation.
This file is part of the GNU C Library.
@@ -24,7 +24,7 @@
#ifdef USE_AS_STRNCMP
/* Since the counter, %r11, is unsigned, we branch to strcmp_exitz
if the new counter > the old one or is 0. */
-#define UPDATE_STRNCMP_COUNTER \
+# define UPDATE_STRNCMP_COUNTER \
/* calculate left number to compare */ \
lea -16(%rcx, %r11), %r9; \
cmp %r9, %r11; \
@@ -33,23 +33,23 @@
je LABEL(strcmp_exitz_sse4_2); \
mov %r9, %r11
-#define STRCMP_SSE42 __strncmp_sse42
-#define STRCMP_SSSE3 __strncmp_ssse3
-#define STRCMP_SSE2 __strncmp_sse2
-#define __GI_STRCMP __GI_strncmp
+# define STRCMP_SSE42 __strncmp_sse42
+# define STRCMP_SSSE3 __strncmp_ssse3
+# define STRCMP_SSE2 __strncmp_sse2
+# define __GI_STRCMP __GI_strncmp
#else
-#define UPDATE_STRNCMP_COUNTER
-#ifndef STRCMP
-#define STRCMP strcmp
-#define STRCMP_SSE42 __strcmp_sse42
-#define STRCMP_SSSE3 __strcmp_ssse3
-#define STRCMP_SSE2 __strcmp_sse2
-#define __GI_STRCMP __GI_strcmp
-#endif
+# define UPDATE_STRNCMP_COUNTER
+# ifndef STRCMP
+# define STRCMP strcmp
+# define STRCMP_SSE42 __strcmp_sse42
+# define STRCMP_SSSE3 __strcmp_ssse3
+# define STRCMP_SSE2 __strcmp_sse2
+# define __GI_STRCMP __GI_strcmp
+# endif
#endif
#ifndef LABEL
-#define LABEL(l) L(l)
+# define LABEL(l) L(l)
#endif
/* Define multiple versions only for the definition in libc. Don't
@@ -101,7 +101,7 @@ END(STRCMP)
/* Put all SSE 4.2 functions together. */
.section .text.sse4.2,"ax",@progbits
- .align 16
+ .align 16
.type STRCMP_SSE42, @function
STRCMP_SSE42:
cfi_startproc
@@ -241,7 +241,7 @@ LABEL(ashr_0_use_sse4_2_exit):
/*
* The following cases will be handled by ashr_1
- * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
+ * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
* n(15) n -15 0(15 +(n-15) - n) ashr_1
*/
.p2align 4
@@ -320,7 +320,7 @@ LABEL(nibble_ashr_1_use_sse4_2):
/*
* The following cases will be handled by ashr_2
- * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
+ * rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
* n(14~15) n -14 1(15 +(n-14) - n) ashr_2
*/
.p2align 4
@@ -559,7 +559,7 @@ LABEL(nibble_ashr_4_use_sse4_2):
/*
* The following cases will be handled by ashr_5
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(11~15) n - 11 4(15 +(n-11) - n) ashr_5
+ * n(11~15) n - 11 4(15 +(n-11) - n) ashr_5
*/
.p2align 4
LABEL(ashr_5_sse4_2):
@@ -640,7 +640,7 @@ LABEL(nibble_ashr_5_use_sse4_2):
/*
* The following cases will be handled by ashr_6
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(10~15) n - 10 5(15 +(n-10) - n) ashr_6
+ * n(10~15) n - 10 5(15 +(n-10) - n) ashr_6
*/
.p2align 4
LABEL(ashr_6_sse4_2):
@@ -720,7 +720,7 @@ LABEL(nibble_ashr_6_use_sse4_2):
/*
* The following cases will be handled by ashr_7
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(9~15) n - 9 6(15 +(n - 9) - n) ashr_7
+ * n(9~15) n - 9 6(15 +(n - 9) - n) ashr_7
*/
.p2align 4
LABEL(ashr_7_sse4_2):
@@ -800,7 +800,7 @@ LABEL(nibble_ashr_7_use_sse4_2):
/*
* The following cases will be handled by ashr_8
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(8~15) n - 8 7(15 +(n - 8) - n) ashr_8
+ * n(8~15) n - 8 7(15 +(n - 8) - n) ashr_8
*/
.p2align 4
LABEL(ashr_8_sse4_2):
@@ -880,7 +880,7 @@ LABEL(nibble_ashr_8_use_sse4_2):
/*
* The following cases will be handled by ashr_9
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(7~15) n - 7 8(15 +(n - 7) - n) ashr_9
+ * n(7~15) n - 7 8(15 +(n - 7) - n) ashr_9
*/
.p2align 4
LABEL(ashr_9_sse4_2):
@@ -961,7 +961,7 @@ LABEL(nibble_ashr_9_use_sse4_2):
/*
* The following cases will be handled by ashr_10
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(6~15) n - 6 9(15 +(n - 6) - n) ashr_10
+ * n(6~15) n - 6 9(15 +(n - 6) - n) ashr_10
*/
.p2align 4
LABEL(ashr_10_sse4_2):
@@ -1041,7 +1041,7 @@ LABEL(nibble_ashr_10_use_sse4_2):
/*
* The following cases will be handled by ashr_11
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(5~15) n - 5 10(15 +(n - 5) - n) ashr_11
+ * n(5~15) n - 5 10(15 +(n - 5) - n) ashr_11
*/
.p2align 4
LABEL(ashr_11_sse4_2):
@@ -1121,7 +1121,7 @@ LABEL(nibble_ashr_11_use_sse4_2):
/*
* The following cases will be handled by ashr_12
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(4~15) n - 4 11(15 +(n - 4) - n) ashr_12
+ * n(4~15) n - 4 11(15 +(n - 4) - n) ashr_12
*/
.p2align 4
LABEL(ashr_12_sse4_2):
@@ -1201,7 +1201,7 @@ LABEL(nibble_ashr_12_use_sse4_2):
/*
* The following cases will be handled by ashr_13
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(3~15) n - 3 12(15 +(n - 3) - n) ashr_13
+ * n(3~15) n - 3 12(15 +(n - 3) - n) ashr_13
*/
.p2align 4
LABEL(ashr_13_sse4_2):
@@ -1282,7 +1282,7 @@ LABEL(nibble_ashr_13_use_sse4_2):
/*
* The following cases will be handled by ashr_14
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(2~15) n - 2 13(15 +(n - 2) - n) ashr_14
+ * n(2~15) n - 2 13(15 +(n - 2) - n) ashr_14
*/
.p2align 4
LABEL(ashr_14_sse4_2):
@@ -1363,7 +1363,7 @@ LABEL(nibble_ashr_14_use_sse4_2):
/*
* The following cases will be handled by ashr_15
* rcx(offset of rsi) rax(offset of rdi) relative offset corresponding case
- * n(1~15) n - 1 14(15 +(n - 1) - n) ashr_15
+ * n(1~15) n - 1 14(15 +(n - 1) - n) ashr_15
*/
.p2align 4
LABEL(ashr_15_sse4_2):
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 2 +
sysdeps/x86_64/multiarch/strcmp.S | 58 ++++++++++++++++++------------------
2 files changed, 31 insertions(+), 29 deletions(-)
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