diff options
Diffstat (limited to 'sysdeps/s390')
-rw-r--r-- | sysdeps/s390/memcmp.S (renamed from sysdeps/s390/s390-64/memcmp.S) | 62 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/Makefile | 3 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/memcmp-s390x.S (renamed from sysdeps/s390/s390-64/multiarch/memcmp-s390x.S) | 10 | ||||
-rw-r--r-- | sysdeps/s390/multiarch/memcmp.c (renamed from sysdeps/s390/s390-32/multiarch/memcmp.c) | 0 | ||||
-rw-r--r-- | sysdeps/s390/s390-32/memcmp.S | 66 | ||||
-rw-r--r-- | sysdeps/s390/s390-32/multiarch/Makefile | 2 | ||||
-rw-r--r-- | sysdeps/s390/s390-32/multiarch/memcmp-s390.S | 107 | ||||
-rw-r--r-- | sysdeps/s390/s390-64/multiarch/Makefile | 2 | ||||
-rw-r--r-- | sysdeps/s390/s390-64/multiarch/memcmp.c | 27 |
9 files changed, 60 insertions, 219 deletions
diff --git a/sysdeps/s390/s390-64/memcmp.S b/sysdeps/s390/memcmp.S index 005b19de45..751293a99e 100644 --- a/sysdeps/s390/s390-64/memcmp.S +++ b/sysdeps/s390/memcmp.S @@ -1,4 +1,4 @@ -/* memcmp - compare two memory blocks. 64 bit S/390 version. +/* memcmp - compare two memory blocks. 31/64 bit S/390 version. Copyright (C) 2012-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -26,34 +26,62 @@ %r4 = number of bytes to compare. */ .text +#if defined __s390x__ +# define LTGR ltgr +# define AGHI aghi +# define BRCTG brctg +#else +# define LTGR ltr +# define AGHI ahi +# define BRCTG brct +#endif /* ! defined __s390x__ */ + #ifdef USE_MULTIARCH ENTRY(__memcmp_default) #else ENTRY(memcmp) #endif +#if defined __s390x__ .machine "z900" - ltgr %r4,%r4 - je .L_Z900_4 - aghi %r4,-1 +#else + .machine "g5" + basr %r5,0 +.L_Z900_G5_16: +# define Z900_G5_EX_D .L_Z900_G5_15-.L_Z900_G5_16 +#endif /* ! defined __s390x__ */ + LTGR %r4,%r4 + je .L_Z900_G5_4 + AGHI %r4,-1 +#if defined __s390x__ srlg %r1,%r4,8 - ltgr %r1,%r1 - jne .L_Z900_12 -.L_Z900_3: - larl %r1,.L_Z900_15 - ex %r4,0(%r1) -.L_Z900_4: + larl %r5,.L_Z900_G5_15 +# define Z900_G5_EX_D 0 +#else + lr %r1,%r4 + srl %r1,8 +#endif /* ! defined __s390x__ */ + LTGR %r1,%r1 + jne .L_Z900_G5_12 +.L_Z900_G5_3: + ex %r4,Z900_G5_EX_D(%r5) +.L_Z900_G5_4: ipm %r2 +#if defined __s390x__ sllg %r2,%r2,34 srag %r2,%r2,62 +#else + sll %r2,2 + sra %r2,30 +#endif /* ! defined __s390x__ */ br %r14 -.L_Z900_12: +.L_Z900_G5_12: clc 0(256,%r3),0(%r2) - jne .L_Z900_4 + jne .L_Z900_G5_4 la %r3,256(%r3) la %r2,256(%r2) - brctg %r1,.L_Z900_12 - j .L_Z900_3 -.L_Z900_15: + BRCTG %r1,.L_Z900_G5_12 + j .L_Z900_G5_3 +.L_Z900_G5_15: clc 0(1,%r3),0(%r2) #ifdef USE_MULTIARCH END(__memcmp_default) @@ -62,3 +90,7 @@ END(memcmp) libc_hidden_builtin_def (memcmp) weak_alias (memcmp, bcmp) #endif + +#undef LTGR +#undef AGHI +#undef BRCTG diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile index c893ebc565..53dd8654d7 100644 --- a/sysdeps/s390/multiarch/Makefile +++ b/sysdeps/s390/multiarch/Makefile @@ -19,7 +19,8 @@ sysdep_routines += strlen strlen-vx strlen-c \ rawmemchr rawmemchr-vx rawmemchr-c \ memccpy memccpy-vx memccpy-c \ memrchr memrchr-vx memrchr-c \ - mempcpy + mempcpy \ + memcmp memcmp-s390x endif ifeq ($(subdir),wcsmbs) diff --git a/sysdeps/s390/s390-64/multiarch/memcmp-s390x.S b/sysdeps/s390/multiarch/memcmp-s390x.S index 35f9bf9cf7..6321737ace 100644 --- a/sysdeps/s390/s390-64/multiarch/memcmp-s390x.S +++ b/sysdeps/s390/multiarch/memcmp-s390x.S @@ -1,4 +1,4 @@ -/* CPU specific memcmp implementations. 64 bit S/390 version. +/* CPU specific memcmp implementations. 31/64 bit S/390 version. Copyright (C) 2012-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -31,6 +31,10 @@ ENTRY(__memcmp_z196) .machine "z196" + .machinemode "zarch_nohighgprs" +# if !defined __s390x__ + llgfr %r4,%r4 +# endif /* !defined __s390x__ */ ltgr %r4,%r4 je .L_Z196_4 aghi %r4,-1 @@ -64,6 +68,10 @@ END(__memcmp_z196) ENTRY(__memcmp_z10) .machine "z10" + .machinemode "zarch_nohighgprs" +# if !defined __s390x__ + llgfr %r4,%r4 +# endif /* !defined __s390x__ */ ltgr %r4,%r4 je .L_Z10_4 aghi %r4,-1 diff --git a/sysdeps/s390/s390-32/multiarch/memcmp.c b/sysdeps/s390/multiarch/memcmp.c index 1e6f31806e..1e6f31806e 100644 --- a/sysdeps/s390/s390-32/multiarch/memcmp.c +++ b/sysdeps/s390/multiarch/memcmp.c diff --git a/sysdeps/s390/s390-32/memcmp.S b/sysdeps/s390/s390-32/memcmp.S deleted file mode 100644 index f9ad0bc745..0000000000 --- a/sysdeps/s390/s390-32/memcmp.S +++ /dev/null @@ -1,66 +0,0 @@ -/* memcmp - compare two memory blocks. 32 bit S/390 version. - Copyright (C) 2012-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - - -#include "sysdep.h" -#include "asm-syntax.h" - -/* INPUT PARAMETERS - %r2 = address of first memory area - %r3 = address of second memory area - %r4 = number of bytes to compare. */ - - .text -#ifdef USE_MULTIARCH -ENTRY(__memcmp_default) -#else -ENTRY(memcmp) -#endif - .machine "g5" - basr %r5,0 -.L_G5_16: - ltr %r4,%r4 - je .L_G5_4 - ahi %r4,-1 - lr %r1,%r4 - srl %r1,8 - ltr %r1,%r1 - jne .L_G5_12 - ex %r4,.L_G5_17-.L_G5_16(%r5) -.L_G5_4: - ipm %r2 - sll %r2,2 - sra %r2,30 - br %r14 -.L_G5_12: - clc 0(256,%r3),0(%r2) - jne .L_G5_4 - la %r3,256(%r3) - la %r2,256(%r2) - brct %r1,.L_G5_12 - ex %r4,.L_G5_17-.L_G5_16(%r5) - j .L_G5_4 -.L_G5_17: - clc 0(1,%r3),0(%r2) -#ifdef USE_MULTIARCH -END(__memcmp_default) -#else -END(memcmp) -libc_hidden_builtin_def (memcmp) -weak_alias(memcmp, bcmp) -#endif diff --git a/sysdeps/s390/s390-32/multiarch/Makefile b/sysdeps/s390/s390-32/multiarch/Makefile index 4b11e28656..82a7492eb8 100644 --- a/sysdeps/s390/s390-32/multiarch/Makefile +++ b/sysdeps/s390/s390-32/multiarch/Makefile @@ -1,3 +1,3 @@ ifeq ($(subdir),string) -sysdep_routines += memcpy memcpy-s390 memcmp memcmp-s390 +sysdep_routines += memcpy memcpy-s390 endif diff --git a/sysdeps/s390/s390-32/multiarch/memcmp-s390.S b/sysdeps/s390/s390-32/multiarch/memcmp-s390.S deleted file mode 100644 index e53b508c98..0000000000 --- a/sysdeps/s390/s390-32/multiarch/memcmp-s390.S +++ /dev/null @@ -1,107 +0,0 @@ -/* CPU specific memcmp implementations. 32 bit S/390 version. - Copyright (C) 2012-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - - -#include "sysdep.h" -#include "asm-syntax.h" - -/* INPUT PARAMETERS - %r2 = address of first memory area - %r3 = address of second memory area - %r4 = number of bytes to compare. */ - - .text - -#if IS_IN (libc) - -ENTRY(__memcmp_z196) - .machine "z196" - .machinemode "zarch_nohighgprs" - ltr %r4,%r4 - je .L_Z196_4 - ahi %r4,-1 - srlk %r1,%r4,8 - ltr %r1,%r1 - jne .L_Z196_2 -.L_Z196_3: - exrl %r4,.L_Z196_14 -.L_Z196_4: - ipm %r2 - sll %r2,2 - sra %r2,30 - br %r14 -.L_Z196_17: - la %r3,256(%r3) - la %r2,256(%r2) - ahi %r1,-1 - je .L_Z196_3 -.L_Z196_2: - pfd 1,512(%r3) - pfd 1,512(%r2) - clc 0(256,%r3),0(%r2) - je .L_Z196_17 - ipm %r2 - sll %r2,2 - sra %r2,30 - br %r14 -.L_Z196_14: - clc 0(1,%r3),0(%r2) -END(__memcmp_z196) - -ENTRY(__memcmp_z10) - .machine "z10" - .machinemode "zarch_nohighgprs" - ltr %r4,%r4 - je .L_Z10_4 - ahi %r4,-1 - lr %r1,%r4 - srl %r1,8 - cijlh %r1,0,.L_Z10_12 -.L_Z10_3: - exrl %r4,.L_Z10_15 -.L_Z10_4: - ipm %r2 - sll %r2,2 - sra %r2,30 - br %r14 -.L_Z10_12: - pfd 1,512(%r3) - pfd 1,512(%r2) - clc 0(256,%r3),0(%r2) - jne .L_Z10_4 - la %r3,256(%r3) - la %r2,256(%r2) - brct %r1,.L_Z10_12 - j .L_Z10_3 -.L_Z10_15: - clc 0(1,%r3),0(%r2) -END(__memcmp_z10) - -#endif /* IS_IN (libc) */ - -#include "../memcmp.S" - -#if !IS_IN (libc) -.globl memcmp -.set memcmp,__memcmp_default -.weak bcmp -.set bcmp,__memcmp_default -#elif defined SHARED && IS_IN (libc) -.globl __GI_memcmp -.set __GI_memcmp,__memcmp_default -#endif diff --git a/sysdeps/s390/s390-64/multiarch/Makefile b/sysdeps/s390/s390-64/multiarch/Makefile index e4870c7ee1..8a043e3327 100644 --- a/sysdeps/s390/s390-64/multiarch/Makefile +++ b/sysdeps/s390/s390-64/multiarch/Makefile @@ -1,3 +1,3 @@ ifeq ($(subdir),string) -sysdep_routines += memcpy memcpy-s390x memcmp memcmp-s390x +sysdep_routines += memcpy memcpy-s390x endif diff --git a/sysdeps/s390/s390-64/multiarch/memcmp.c b/sysdeps/s390/s390-64/multiarch/memcmp.c deleted file mode 100644 index 1e6f31806e..0000000000 --- a/sysdeps/s390/s390-64/multiarch/memcmp.c +++ /dev/null @@ -1,27 +0,0 @@ -/* Multiple versions of memcmp. - Copyright (C) 2015-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#if IS_IN (libc) -# define memcmp __redirect_memcmp -# include <string.h> -# undef memcmp -# include <ifunc-resolve.h> - -s390_libc_ifunc (__redirect_memcmp, __memcmp, memcmp) -weak_alias (memcmp, bcmp); -#endif |