mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
Pretty printing x86-64 SSE4.3 strcmp.
This commit is contained in:
Ulrich Drepper
@@ -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.
|
||||
|
||||
@@ -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):
|
||||
|
||||
Reference in New Issue
Block a user