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[thirdparty/glibc.git] / sysdeps / x86_64 / multiarch / memcmp-ssse3.S

diff --git a/sysdeps/x86_64/multiarch/memcmp-ssse3.S b/sysdeps/x86_64/multiarch/memcmp-ssse3.S
index effb06ebda76d798d0111f86e86a90e08366c0dc..0008b05602a1a84fa7185b1170038e47562b553f 100644 (file)
--- a/sysdeps/x86_64/multiarch/memcmp-ssse3.S
+++ b/sysdeps/x86_64/multiarch/memcmp-ssse3.S
@@ -1,5 +1,5 @@
 /* memcmp with SSSE3, wmemcmp with SSSE3
-   Copyright (C) 2011 Free Software Foundation, Inc.
+   Copyright (C) 2011-2019 Free Software Foundation, Inc.
    Contributed by Intel Corporation.
    This file is part of the GNU C Library.
 
@@ -17,7 +17,7 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#ifndef NOT_IN_libc
+#if IS_IN (libc)
 
 # include <sysdep.h>
 
@@ -25,10 +25,6 @@
 #  define MEMCMP       __memcmp_ssse3
 # endif
 
-# ifndef ALIGN
-#  define ALIGN(n)     .p2align n
-# endif
-
 /* Warning!
           wmemcmp has to use SIGNED comparison for elements.
           memcmp has to use UNSIGNED comparison for elemnts.
@@ -50,7 +46,7 @@ ENTRY (MEMCMP)
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 /* ECX >= 32.  */
 L(48bytesormore):
        movdqu  (%rdi), %xmm3
@@ -90,7 +86,7 @@ L(48bytesormore):
        je      L(shr_6)
        jmp     L(shr_7)
 
-       ALIGN   (2)
+       .p2align 2
 L(next_unaligned_table):
        cmp     $8, %edx
        je      L(shr_8)
@@ -117,7 +113,7 @@ L(next_unaligned_table):
        jmp     L(shr_12)
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_0):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -137,7 +133,7 @@ L(shr_0):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_0_gobble):
        movdqa  (%rsi), %xmm0
        xor     %eax, %eax
@@ -180,7 +176,7 @@ L(next):
 
 # ifndef USE_AS_WMEMCMP
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_1):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -207,7 +203,7 @@ L(shr_1):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_1_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -258,7 +254,7 @@ L(shr_1_gobble_next):
        jmp     L(less48bytes)
 
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_2):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -285,7 +281,7 @@ L(shr_2):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_2_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -335,7 +331,7 @@ L(shr_2_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_3):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -362,7 +358,7 @@ L(shr_3):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_3_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -414,7 +410,7 @@ L(shr_3_gobble_next):
 
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_4):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -441,7 +437,7 @@ L(shr_4):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_4_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -493,7 +489,7 @@ L(shr_4_gobble_next):
 
 # ifndef USE_AS_WMEMCMP
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_5):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -520,7 +516,7 @@ L(shr_5):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_5_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -570,7 +566,7 @@ L(shr_5_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_6):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -597,7 +593,7 @@ L(shr_6):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_6_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -647,7 +643,7 @@ L(shr_6_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_7):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -674,7 +670,7 @@ L(shr_7):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_7_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -726,7 +722,7 @@ L(shr_7_gobble_next):
 
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_8):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -753,7 +749,7 @@ L(shr_8):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_8_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -805,7 +801,7 @@ L(shr_8_gobble_next):
 
 # ifndef USE_AS_WMEMCMP
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_9):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -832,7 +828,7 @@ L(shr_9):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_9_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -882,7 +878,7 @@ L(shr_9_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_10):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -909,7 +905,7 @@ L(shr_10):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_10_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -959,7 +955,7 @@ L(shr_10_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_11):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -986,7 +982,7 @@ L(shr_11):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_11_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -1038,7 +1034,7 @@ L(shr_11_gobble_next):
 
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_12):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -1065,7 +1061,7 @@ L(shr_12):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_12_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -1117,7 +1113,7 @@ L(shr_12_gobble_next):
 
 # ifndef USE_AS_WMEMCMP
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_13):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -1144,7 +1140,7 @@ L(shr_13):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_13_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -1194,7 +1190,7 @@ L(shr_13_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_14):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -1221,7 +1217,7 @@ L(shr_14):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_14_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -1271,7 +1267,7 @@ L(shr_14_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_15):
        cmp     $80, %rcx
        lea     -48(%rcx), %rcx
@@ -1298,7 +1294,7 @@ L(shr_15):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(shr_15_gobble):
        sub     $32, %rcx
        movdqa  16(%rsi), %xmm0
@@ -1348,7 +1344,7 @@ L(shr_15_gobble_next):
        add     %rcx, %rdi
        jmp     L(less48bytes)
 # endif
-       ALIGN   (4)
+       .p2align 4
 L(exit):
        pmovmskb %xmm1, %r8d
        sub     $0xffff, %r8d
@@ -1389,56 +1385,56 @@ L(less16bytes):
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(Byte16):
        movzbl  -16(%rdi), %eax
        movzbl  -16(%rsi), %edx
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(Byte17):
        movzbl  -15(%rdi), %eax
        movzbl  -15(%rsi), %edx
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(Byte18):
        movzbl  -14(%rdi), %eax
        movzbl  -14(%rsi), %edx
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(Byte19):
        movzbl  -13(%rdi), %eax
        movzbl  -13(%rsi), %edx
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(Byte20):
        movzbl  -12(%rdi), %eax
        movzbl  -12(%rsi), %edx
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(Byte21):
        movzbl  -11(%rdi), %eax
        movzbl  -11(%rsi), %edx
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(Byte22):
        movzbl  -10(%rdi), %eax
        movzbl  -10(%rsi), %edx
        sub     %edx, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(next_24_bytes):
        lea     8(%rdi), %rdi
        lea     8(%rsi), %rsi
@@ -1463,10 +1459,8 @@ L(next_24_bytes):
        test    $0x40, %dh
        jnz     L(Byte22)
 
-       mov     -9(%rdi), %eax
-       and     $0xff, %eax
-       mov     -9(%rsi), %edx
-       and     $0xff, %edx
+       movzbl  -9(%rdi), %eax
+       movzbl  -9(%rsi), %edx
        sub     %edx, %eax
        ret
 # else
@@ -1481,14 +1475,14 @@ L(next_24_bytes):
        jne     L(find_diff)
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(second_double_word):
        mov     -12(%rdi), %eax
        cmp     -12(%rsi), %eax
        jne     L(find_diff)
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(next_two_double_words):
        and     $15, %dh
        jz      L(fourth_double_word)
@@ -1497,7 +1491,7 @@ L(next_two_double_words):
        jne     L(find_diff)
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(fourth_double_word):
        mov     -4(%rdi), %eax
        cmp     -4(%rsi), %eax
@@ -1505,7 +1499,7 @@ L(fourth_double_word):
        ret
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(less48bytes):
        cmp     $8, %ecx
        jae     L(more8bytes)
@@ -1529,7 +1523,7 @@ L(less48bytes):
        jmp     L(4bytes)
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(more8bytes):
        cmp     $16, %ecx
        jae     L(more16bytes)
@@ -1553,7 +1547,7 @@ L(more8bytes):
        jmp     L(12bytes)
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(more16bytes):
        cmp     $24, %ecx
        jae     L(more24bytes)
@@ -1577,7 +1571,7 @@ L(more16bytes):
        jmp     L(20bytes)
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(more24bytes):
        cmp     $32, %ecx
        jae     L(more32bytes)
@@ -1601,7 +1595,7 @@ L(more24bytes):
        jmp     L(28bytes)
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(more32bytes):
        cmp     $40, %ecx
        jae     L(more40bytes)
@@ -1625,7 +1619,7 @@ L(more32bytes):
        jmp     L(36bytes)
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(more40bytes):
        cmp     $40, %ecx
        je      L(40bytes)
@@ -1644,7 +1638,7 @@ L(more40bytes):
        je      L(46bytes)
        jmp     L(47bytes)
 
-       ALIGN   (4)
+       .p2align 4
 L(44bytes):
        movl    -44(%rdi), %eax
        movl    -44(%rsi), %ecx
@@ -1704,7 +1698,7 @@ L(0bytes):
        xor     %eax, %eax
        ret
 # else
-       ALIGN   (4)
+       .p2align 4
 L(44bytes):
        movl    -44(%rdi), %eax
        cmp     -44(%rsi), %eax
@@ -1755,7 +1749,7 @@ L(0bytes):
 # endif
 
 # ifndef USE_AS_WMEMCMP
-       ALIGN   (4)
+       .p2align 4
 L(45bytes):
        movl    -45(%rdi), %eax
        movl    -45(%rsi), %ecx
@@ -1818,7 +1812,7 @@ L(1bytes):
        xor     %eax, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(46bytes):
        movl    -46(%rdi), %eax
        movl    -46(%rsi), %ecx
@@ -1884,7 +1878,7 @@ L(2bytes):
        xor     %eax, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(47bytes):
        movl    -47(%rdi), %eax
        movl    -47(%rsi), %ecx
@@ -1953,7 +1947,7 @@ L(3bytes):
        xor     %eax, %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(find_diff):
        cmpb    %cl, %al
        jne     L(set)
@@ -1975,19 +1969,19 @@ L(set):
 # else
 
 /* for wmemcmp */
-       ALIGN   (4)
+       .p2align 4
 L(find_diff):
        mov     $1, %eax
        jg      L(find_diff_bigger)
        neg     %eax
        ret
 
-       ALIGN   (4)
+       .p2align 4
 L(find_diff_bigger):
        ret
 # endif
 
-       ALIGN   (4)
+       .p2align 4
 L(equal):
        xor     %eax, %eax
        ret