diff options
Diffstat (limited to 'sysdeps/s390')
23 files changed, 629 insertions, 484 deletions
diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c new file mode 100644 index 0000000000..c33090412f --- /dev/null +++ b/sysdeps/s390/multiarch/ifunc-impl-list.c @@ -0,0 +1,74 @@ +/* Enumerate available IFUNC implementations of a function. s390/s390x version. + Copyright (C) 2015 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 <assert.h> +#include <string.h> +#include <ifunc-impl-list.h> +#include <ifunc-resolve.h> + +/* Maximum number of IFUNC implementations. */ +#define MAX_IFUNC 3 + +/* Fill ARRAY of MAX elements with IFUNC implementations for function + NAME supported on target machine and return the number of valid + entries. */ +size_t +__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, + size_t max) +{ + assert (max >= MAX_IFUNC); + + size_t i = 0; + + /* Get hardware information. */ + unsigned long int dl_hwcap = GLRO (dl_hwcap); + unsigned long long stfle_bits = 0ULL; + if ((dl_hwcap & HWCAP_S390_STFLE) + && (dl_hwcap & HWCAP_S390_ZARCH) + && (dl_hwcap & HWCAP_S390_HIGH_GPRS)) + { + S390_STORE_STFLE (stfle_bits); + } + + IFUNC_IMPL (i, name, memset, + IFUNC_IMPL_ADD (array, i, memset, + S390_IS_Z196 (stfle_bits), __memset_z196) + IFUNC_IMPL_ADD (array, i, memset, + S390_IS_Z10 (stfle_bits), __memset_z10) + IFUNC_IMPL_ADD (array, i, memset, 1, __memset_default)) + + IFUNC_IMPL (i, name, memcmp, + IFUNC_IMPL_ADD (array, i, memcmp, + S390_IS_Z196 (stfle_bits), __memcmp_z196) + IFUNC_IMPL_ADD (array, i, memcmp, + S390_IS_Z10 (stfle_bits), __memcmp_z10) + IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_default)) + +#ifdef SHARED + + IFUNC_IMPL (i, name, memcpy, + IFUNC_IMPL_ADD (array, i, memcpy, + S390_IS_Z196 (stfle_bits), __memcpy_z196) + IFUNC_IMPL_ADD (array, i, memcpy, + S390_IS_Z10 (stfle_bits), __memcpy_z10) + IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_default)) + +#endif /* SHARED */ + + return i; +} diff --git a/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c b/sysdeps/s390/multiarch/ifunc-resolve.h index 8e0cdd5df1..491df68a61 100644 --- a/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c +++ b/sysdeps/s390/multiarch/ifunc-resolve.h @@ -1,6 +1,6 @@ /* IFUNC resolver function for CPU specific functions. - 32 bit S/390 version. - Copyright (C) 2012-2015 Free Software Foundation, Inc. + 32/64 bit S/390 version. + Copyright (C) 2015 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 @@ -20,12 +20,28 @@ #include <unistd.h> #include <dl-procinfo.h> -#define STFLE_BITS_Z10 34 /* General instructions extension */ -#define STFLE_BITS_Z196 45 /* Distinct operands, pop ... */ +#define S390_STFLE_BITS_Z10 34 /* General instructions extension */ +#define S390_STFLE_BITS_Z196 45 /* Distinct operands, pop ... */ -#if IS_IN (libc) +#define S390_IS_Z196(STFLE_BITS) \ + ((STFLE_BITS & (1ULL << (63 - S390_STFLE_BITS_Z196))) != 0) -#define IFUNC_RESOLVE(FUNC) \ +#define S390_IS_Z10(STFLE_BITS) \ + ((STFLE_BITS & (1ULL << (63 - S390_STFLE_BITS_Z10))) != 0) + +#define S390_STORE_STFLE(STFLE_BITS) \ + /* We want just 1 double word to be returned. */ \ + register unsigned long reg0 asm("0") = 0; \ + \ + asm volatile(".machine push" "\n\t" \ + ".machine \"z9-109\"" "\n\t" \ + ".machinemode \"zarch_nohighgprs\"\n\t" \ + "stfle %0" "\n\t" \ + ".machine pop" "\n" \ + : "=QS" (STFLE_BITS), "+d" (reg0) \ + : : "cc"); + +#define s390_libc_ifunc(FUNC) \ asm (".globl " #FUNC "\n\t" \ ".type " #FUNC ",@gnu_indirect_function\n\t" \ ".set " #FUNC ",__resolve_" #FUNC "\n\t" \ @@ -36,7 +52,7 @@ to prevent GOT slots being generated for them. */ \ extern void *__##FUNC##_z196 attribute_hidden; \ extern void *__##FUNC##_z10 attribute_hidden; \ - extern void *__##FUNC##_g5 attribute_hidden; \ + extern void *__##FUNC##_default attribute_hidden; \ \ void *__resolve_##FUNC (unsigned long int dl_hwcap) \ { \ @@ -44,29 +60,16 @@ && (dl_hwcap & HWCAP_S390_ZARCH) \ && (dl_hwcap & HWCAP_S390_HIGH_GPRS)) \ { \ - /* We want just 1 double word to be returned. */ \ - register unsigned long reg0 asm("0") = 0; \ unsigned long long stfle_bits; \ + S390_STORE_STFLE (stfle_bits); \ \ - asm volatile(".insn s,0xb2b00000,%0" "\n\t" /* stfle */ \ - : "=QS" (stfle_bits), "+d" (reg0) \ - : : "cc"); \ - \ - if ((stfle_bits & (1ULL << (63 - STFLE_BITS_Z196))) != 0) \ + if (S390_IS_Z196 (stfle_bits)) \ return &__##FUNC##_z196; \ - else if ((stfle_bits & (1ULL << (63 - STFLE_BITS_Z10))) != 0) \ + else if (S390_IS_Z10 (stfle_bits)) \ return &__##FUNC##_z10; \ + else \ + return &__##FUNC##_default; \ } \ - return &__##FUNC##_g5; \ + else \ + return &__##FUNC##_default; \ } - -IFUNC_RESOLVE(memset) -IFUNC_RESOLVE(memcmp) -asm(".weak bcmp ; bcmp = memcmp"); - -/* In the static lib memcpy is needed before the reloc is resolved. */ -#ifdef SHARED -IFUNC_RESOLVE(memcpy) -#endif - -#endif diff --git a/sysdeps/s390/s390-32/memcmp.S b/sysdeps/s390/s390-32/memcmp.S index 93f06d57a3..33c2e8cd1d 100644 --- a/sysdeps/s390/s390-32/memcmp.S +++ b/sysdeps/s390/s390-32/memcmp.S @@ -27,38 +27,38 @@ .text #ifdef USE_MULTIARCH -ENTRY(__memcmp_g5) +ENTRY(__memcmp_default) #else ENTRY(memcmp) #endif .machine "g5" - basr %r5,0 + 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) + 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 + 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 + 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) + clc 0(1,%r3),0(%r2) #ifdef USE_MULTIARCH -END(__memcmp_g5) +END(__memcmp_default) #else END(memcmp) libc_hidden_builtin_def (memcmp) diff --git a/sysdeps/s390/s390-32/memcpy.S b/sysdeps/s390/s390-32/memcpy.S index f26fd00ff8..e2a1d98b0f 100644 --- a/sysdeps/s390/s390-32/memcpy.S +++ b/sysdeps/s390/s390-32/memcpy.S @@ -26,41 +26,41 @@ %r4 = number of bytes to copy. */ #ifdef USE_MULTIARCH -ENTRY(__memcpy_g5) +ENTRY(__memcpy_default) #else ENTRY(memcpy) #endif .machine "g5" - st %r13,52(%r15) - .cfi_offset 13, -44 - basr %r13,0 + st %r13,52(%r15) + .cfi_offset 13, -44 + basr %r13,0 .L_G5_16: - ltr %r4,%r4 - je .L_G5_4 - ahi %r4,-1 - lr %r5,%r4 - srl %r5,8 - ltr %r5,%r5 - lr %r1,%r2 - jne .L_G5_12 - ex %r4,.L_G5_17-.L_G5_16(%r13) + ltr %r4,%r4 + je .L_G5_4 + ahi %r4,-1 + lr %r5,%r4 + srl %r5,8 + ltr %r5,%r5 + lr %r1,%r2 + jne .L_G5_12 + ex %r4,.L_G5_17-.L_G5_16(%r13) .L_G5_4: - l %r13,52(%r15) - br %r14 + l %r13,52(%r15) + br %r14 .L_G5_13: - chi %r5,4096 # Switch to mvcle for copies >1MB - jh __memcpy_mvcle + chi %r5,4096 # Switch to mvcle for copies >1MB + jh __memcpy_mvcle .L_G5_12: - mvc 0(256,%r1),0(%r3) - la %r1,256(%r1) - la %r3,256(%r3) - brct %r5,.L_G5_12 - ex %r4,.L_G5_17-.L_G5_16(%r13) - j .L_G5_4 + mvc 0(256,%r1),0(%r3) + la %r1,256(%r1) + la %r3,256(%r3) + brct %r5,.L_G5_12 + ex %r4,.L_G5_17-.L_G5_16(%r13) + j .L_G5_4 .L_G5_17: - mvc 0(1,%r1),0(%r3) + mvc 0(1,%r1),0(%r3) #ifdef USE_MULTIARCH -END(__memcpy_g5) +END(__memcpy_default) #else END(memcpy) libc_hidden_builtin_def (memcpy) diff --git a/sysdeps/s390/s390-32/memset.S b/sysdeps/s390/s390-32/memset.S index 0abba61c22..adc1233c95 100644 --- a/sysdeps/s390/s390-32/memset.S +++ b/sysdeps/s390/s390-32/memset.S @@ -28,37 +28,37 @@ .text #ifdef USE_MULTIARCH -ENTRY(__memset_g5) +ENTRY(__memset_default) #else ENTRY(memset) #endif .machine "g5" - basr %r5,0 + basr %r5,0 .L_G5_19: - ltr %r4,%r4 - je .L_G5_4 - stc %r3,0(%r2) - chi %r4,1 - lr %r1,%r2 - je .L_G5_4 - ahi %r4,-2 - lr %r3,%r4 - srl %r3,8 - ltr %r3,%r3 - jne .L_G5_14 - ex %r4,.L_G5_20-.L_G5_19(%r5) + ltr %r4,%r4 + je .L_G5_4 + stc %r3,0(%r2) + chi %r4,1 + lr %r1,%r2 + je .L_G5_4 + ahi %r4,-2 + lr %r3,%r4 + srl %r3,8 + ltr %r3,%r3 + jne .L_G5_14 + ex %r4,.L_G5_20-.L_G5_19(%r5) .L_G5_4: - br %r14 + br %r14 .L_G5_14: - mvc 1(256,%r1),0(%r1) - la %r1,256(%r1) - brct %r3,.L_G5_14 - ex %r4,.L_G5_20-.L_G5_19(%r5) - j .L_G5_4 + mvc 1(256,%r1),0(%r1) + la %r1,256(%r1) + brct %r3,.L_G5_14 + ex %r4,.L_G5_20-.L_G5_19(%r5) + j .L_G5_4 .L_G5_20: - mvc 1(1,%r1),0(%r1) + mvc 1(1,%r1),0(%r1) #ifdef USE_MULTIARCH -END(__memset_g5) +END(__memset_default) #else END(memset) libc_hidden_builtin_def (memset) diff --git a/sysdeps/s390/s390-32/multiarch/Makefile b/sysdeps/s390/s390-32/multiarch/Makefile index 9baeecda64..f8aee14bbd 100644 --- a/sysdeps/s390/s390-32/multiarch/Makefile +++ b/sysdeps/s390/s390-32/multiarch/Makefile @@ -1,3 +1,4 @@ ifeq ($(subdir),string) -sysdep_routines += ifunc-resolve memset memcpy memcmp +sysdep_routines += memset memset-s390 memcpy memcpy-s390 \ + memcmp memcmp-s390 endif diff --git a/sysdeps/s390/s390-32/multiarch/memcmp.S b/sysdeps/s390/s390-32/multiarch/memcmp-s390.S index 584dc99792..8540f67a22 100644 --- a/sysdeps/s390/s390-32/multiarch/memcmp.S +++ b/sysdeps/s390/s390-32/multiarch/memcmp-s390.S @@ -32,73 +32,73 @@ 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 + 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 + exrl %r4,.L_Z196_14 .L_Z196_4: - ipm %r2 - sll %r2,2 - sra %r2,30 - br %r14 + 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 + 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 + 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) + 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 + 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 + exrl %r4,.L_Z10_15 .L_Z10_4: - ipm %r2 - sll %r2,2 - sra %r2,30 - br %r14 + 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 + 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) + clc 0(1,%r3),0(%r2) END(__memcmp_z10) -#endif +#endif /* IS_IN (libc) */ #include "../memcmp.S" #if !IS_IN (libc) .globl memcmp -.set memcmp,__memcmp_g5 +.set memcmp,__memcmp_default .weak bcmp -.set bcmp,__memcmp_g5 +.set bcmp,__memcmp_default #endif diff --git a/sysdeps/s390/s390-32/multiarch/memcmp.c b/sysdeps/s390/s390-32/multiarch/memcmp.c new file mode 100644 index 0000000000..a3607e4472 --- /dev/null +++ b/sysdeps/s390/s390-32/multiarch/memcmp.c @@ -0,0 +1,24 @@ +/* Multiple versions of memcmp. + Copyright (C) 2015 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) +# include <ifunc-resolve.h> + +s390_libc_ifunc (memcmp) +asm(".weak bcmp ; bcmp = memcmp"); +#endif diff --git a/sysdeps/s390/s390-32/multiarch/memcpy.S b/sysdeps/s390/s390-32/multiarch/memcpy-s390.S index 51f4fcff15..6be319f7ee 100644 --- a/sysdeps/s390/s390-32/multiarch/memcpy.S +++ b/sysdeps/s390/s390-32/multiarch/memcpy-s390.S @@ -32,67 +32,67 @@ ENTRY(__memcpy_z196) .machine "z196" .machinemode "zarch_nohighgprs" - llgfr %r4,%r4 - ltgr %r4,%r4 - je .L_Z196_4 - aghi %r4,-1 - lr %r1,%r2 - srlg %r5,%r4,8 - ltgr %r5,%r5 - jne .L_Z196_5 + llgfr %r4,%r4 + ltgr %r4,%r4 + je .L_Z196_4 + aghi %r4,-1 + lr %r1,%r2 + srlg %r5,%r4,8 + ltgr %r5,%r5 + jne .L_Z196_5 .L_Z196_3: - exrl %r4,.L_Z196_14 + exrl %r4,.L_Z196_14 .L_Z196_4: - br %r14 + br %r14 .L_Z196_5: - cgfi %r5,262144 # Switch to mvcle for copies >64MB - jh __memcpy_mvcle + cgfi %r5,262144 # Switch to mvcle for copies >64MB + jh __memcpy_mvcle .L_Z196_2: - pfd 1,768(%r3) - pfd 2,768(%r1) - mvc 0(256,%r1),0(%r3) - aghi %r5,-1 - la %r1,256(%r1) - la %r3,256(%r3) - jne .L_Z196_2 - j .L_Z196_3 + pfd 1,768(%r3) + pfd 2,768(%r1) + mvc 0(256,%r1),0(%r3) + aghi %r5,-1 + la %r1,256(%r1) + la %r3,256(%r3) + jne .L_Z196_2 + j .L_Z196_3 .L_Z196_14: - mvc 0(1,%r1),0(%r3) + mvc 0(1,%r1),0(%r3) END(__memcpy_z196) ENTRY(__memcpy_z10) .machine "z10" .machinemode "zarch_nohighgprs" - llgfr %r4,%r4 - cgije %r4,0,.L_Z10_4 - aghi %r4,-1 - lr %r1,%r2 - srlg %r5,%r4,8 - cgijlh %r5,0,.L_Z10_13 + llgfr %r4,%r4 + cgije %r4,0,.L_Z10_4 + aghi %r4,-1 + lr %r1,%r2 + srlg %r5,%r4,8 + cgijlh %r5,0,.L_Z10_13 .L_Z10_3: - exrl %r4,.L_Z10_15 + exrl %r4,.L_Z10_15 .L_Z10_4: - br %r14 + br %r14 .L_Z10_13: - cgfi %r5,65535 # Switch to mvcle for copies >16MB - jh __memcpy_mvcle + cgfi %r5,65535 # Switch to mvcle for copies >16MB + jh __memcpy_mvcle .L_Z10_12: - pfd 1,768(%r3) - pfd 2,768(%r1) - mvc 0(256,%r1),0(%r3) - la %r1,256(%r1) - la %r3,256(%r3) - brctg %r5,.L_Z10_12 - j .L_Z10_3 + pfd 1,768(%r3) + pfd 2,768(%r1) + mvc 0(256,%r1),0(%r3) + la %r1,256(%r1) + la %r3,256(%r3) + brctg %r5,.L_Z10_12 + j .L_Z10_3 .L_Z10_15: - mvc 0(1,%r1),0(%r3) + mvc 0(1,%r1),0(%r3) END(__memcpy_z10) -#endif +#endif /* SHARED && IS_IN (libc) */ #include "../memcpy.S" #if !defined SHARED || !IS_IN (libc) .globl memcpy -.set memcpy,__memcpy_g5 +.set memcpy,__memcpy_default #endif diff --git a/sysdeps/s390/s390-32/multiarch/memcpy.c b/sysdeps/s390/s390-32/multiarch/memcpy.c new file mode 100644 index 0000000000..cf2068c4a0 --- /dev/null +++ b/sysdeps/s390/s390-32/multiarch/memcpy.c @@ -0,0 +1,24 @@ +/* Multiple versions of memcpy. + Copyright (C) 2015 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/>. */ + +/* In the static lib memcpy is needed before the reloc is resolved. */ +#if defined SHARED && IS_IN (libc) +# include <ifunc-resolve.h> + +s390_libc_ifunc (memcpy) +#endif diff --git a/sysdeps/s390/s390-32/multiarch/memset.S b/sysdeps/s390/s390-32/multiarch/memset-s390.S index 1a7b45f369..36e77ee317 100644 --- a/sysdeps/s390/s390-32/multiarch/memset.S +++ b/sysdeps/s390/s390-32/multiarch/memset-s390.S @@ -32,61 +32,61 @@ ENTRY(__memset_z196) .machine "z196" .machinemode "zarch_nohighgprs" - llgfr %r4,%r4 - ltgr %r4,%r4 - je .L_Z196_4 - stc %r3,0(%r2) - lr %r1,%r2 - cghi %r4,1 - je .L_Z196_4 - aghi %r4,-2 - srlg %r5,%r4,8 - ltgr %r5,%r5 - jne .L_Z196_1 + llgfr %r4,%r4 + ltgr %r4,%r4 + je .L_Z196_4 + stc %r3,0(%r2) + lr %r1,%r2 + cghi %r4,1 + je .L_Z196_4 + aghi %r4,-2 + srlg %r5,%r4,8 + ltgr %r5,%r5 + jne .L_Z196_1 .L_Z196_3: - exrl %r4,.L_Z196_17 + exrl %r4,.L_Z196_17 .L_Z196_4: - br %r14 + br %r14 .L_Z196_1: cgfi %r5,1048576 jh __memset_mvcle # Switch to mvcle for >256MB .L_Z196_2: - pfd 2,1024(%r1) - mvc 1(256,%r1),0(%r1) - aghi %r5,-1 - la %r1,256(%r1) - jne .L_Z196_2 - j .L_Z196_3 + pfd 2,1024(%r1) + mvc 1(256,%r1),0(%r1) + aghi %r5,-1 + la %r1,256(%r1) + jne .L_Z196_2 + j .L_Z196_3 .L_Z196_17: - mvc 1(1,%r1),0(%r1) + mvc 1(1,%r1),0(%r1) END(__memset_z196) ENTRY(__memset_z10) .machine "z10" .machinemode "zarch_nohighgprs" - llgfr %r4,%r4 - cgije %r4,0,.L_Z10_4 - stc %r3,0(%r2) - lr %r1,%r2 - cgije %r4,1,.L_Z10_4 - aghi %r4,-2 - srlg %r5,%r4,8 - cgijlh %r5,0,.L_Z10_15 + llgfr %r4,%r4 + cgije %r4,0,.L_Z10_4 + stc %r3,0(%r2) + lr %r1,%r2 + cgije %r4,1,.L_Z10_4 + aghi %r4,-2 + srlg %r5,%r4,8 + cgijlh %r5,0,.L_Z10_15 .L_Z10_3: - exrl %r4,.L_Z10_18 + exrl %r4,.L_Z10_18 .L_Z10_4: - br %r14 + br %r14 .L_Z10_15: cgfi %r5,163840 # Switch to mvcle for >40MB jh __memset_mvcle .L_Z10_14: - pfd 2,1024(%r1) - mvc 1(256,%r1),0(%r1) - la %r1,256(%r1) - brctg %r5,.L_Z10_14 - j .L_Z10_3 + pfd 2,1024(%r1) + mvc 1(256,%r1),0(%r1) + la %r1,256(%r1) + brctg %r5,.L_Z10_14 + j .L_Z10_3 .L_Z10_18: - mvc 1(1,%r1),0(%r1) + mvc 1(1,%r1),0(%r1) END(__memset_z10) ENTRY(__memset_mvcle) @@ -103,11 +103,11 @@ ENTRY(__memset_mvcle) br %r14 END(__memset_mvcle) -#endif +#endif /* IS_IN (libc) */ #include "../memset.S" #if !IS_IN (libc) .globl memset -.set memset,__memset_g5 +.set memset,__memset_default #endif diff --git a/sysdeps/s390/s390-32/multiarch/memset.c b/sysdeps/s390/s390-32/multiarch/memset.c new file mode 100644 index 0000000000..ae0568b63e --- /dev/null +++ b/sysdeps/s390/s390-32/multiarch/memset.c @@ -0,0 +1,23 @@ +/* Multiple versions of memset. + Copyright (C) 2015 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) +# include <ifunc-resolve.h> + +s390_libc_ifunc (memset) +#endif diff --git a/sysdeps/s390/s390-64/memcmp.S b/sysdeps/s390/s390-64/memcmp.S index 6767438f28..1ab3fb131c 100644 --- a/sysdeps/s390/s390-64/memcmp.S +++ b/sysdeps/s390/s390-64/memcmp.S @@ -27,36 +27,36 @@ .text #ifdef USE_MULTIARCH -ENTRY(__memcmp_z900) +ENTRY(__memcmp_default) #else ENTRY(memcmp) #endif .machine "z900" - ltgr %r4,%r4 - je .L_Z900_4 - aghi %r4,-1 - srlg %r1,%r4,8 - ltgr %r1,%r1 - jne .L_Z900_12 + ltgr %r4,%r4 + je .L_Z900_4 + aghi %r4,-1 + srlg %r1,%r4,8 + ltgr %r1,%r1 + jne .L_Z900_12 .L_Z900_3: - larl %r1,.L_Z900_15 - ex %r4,0(%r1) + larl %r1,.L_Z900_15 + ex %r4,0(%r1) .L_Z900_4: - ipm %r2 - sllg %r2,%r2,34 - srag %r2,%r2,62 - br %r14 + ipm %r2 + sllg %r2,%r2,34 + srag %r2,%r2,62 + br %r14 .L_Z900_12: - clc 0(256,%r3),0(%r2) - jne .L_Z900_4 - la %r3,256(%r3) - la %r2,256(%r2) - brctg %r1,.L_Z900_12 - j .L_Z900_3 + clc 0(256,%r3),0(%r2) + jne .L_Z900_4 + la %r3,256(%r3) + la %r2,256(%r2) + brctg %r1,.L_Z900_12 + j .L_Z900_3 .L_Z900_15: - clc 0(1,%r3),0(%r2) + clc 0(1,%r3),0(%r2) #ifdef USE_MULTIARCH -END(__memcmp_z900) +END(__memcmp_default) #else END(memcmp) libc_hidden_builtin_def (memcmp) diff --git a/sysdeps/s390/s390-64/memcpy.S b/sysdeps/s390/s390-64/memcpy.S index 3f122dcf0f..98a1b113d7 100644 --- a/sysdeps/s390/s390-64/memcpy.S +++ b/sysdeps/s390/s390-64/memcpy.S @@ -29,37 +29,37 @@ .text #ifdef USE_MULTIARCH -ENTRY(__memcpy_z900) +ENTRY(__memcpy_default) #else ENTRY(memcpy) #endif .machine "z900" - ltgr %r4,%r4 - je .L_Z900_4 - aghi %r4,-1 - srlg %r5,%r4,8 - ltgr %r5,%r5 - lgr %r1,%r2 - jne .L_Z900_13 + ltgr %r4,%r4 + je .L_Z900_4 + aghi %r4,-1 + srlg %r5,%r4,8 + ltgr %r5,%r5 + lgr %r1,%r2 + jne .L_Z900_13 .L_Z900_3: - larl %r5,.L_Z900_15 - ex %r4,0(%r5) + larl %r5,.L_Z900_15 + ex %r4,0(%r5) .L_Z900_4: - br %r14 + br %r14 .L_Z900_13: - chi %r5,4096 # Switch to mvcle for copies >1MB - jh __memcpy_mvcle + chi %r5,4096 # Switch to mvcle for copies >1MB + jh __memcpy_mvcle .L_Z900_12: - mvc 0(256,%r1),0(%r3) - la %r1,256(%r1) - la %r3,256(%r3) - brctg %r5,.L_Z900_12 - j .L_Z900_3 + mvc 0(256,%r1),0(%r3) + la %r1,256(%r1) + la %r3,256(%r3) + brctg %r5,.L_Z900_12 + j .L_Z900_3 .L_Z900_15: - mvc 0(1,%r1),0(%r3) + mvc 0(1,%r1),0(%r3) #ifdef USE_MULTIARCH -END(__memcpy_z900) +END(__memcpy_default) #else END(memcpy) libc_hidden_builtin_def (memcpy) diff --git a/sysdeps/s390/s390-64/memset.S b/sysdeps/s390/s390-64/memset.S index 1e307d7ec8..e16e44a16c 100644 --- a/sysdeps/s390/s390-64/memset.S +++ b/sysdeps/s390/s390-64/memset.S @@ -29,35 +29,35 @@ .text #ifdef USE_MULTIARCH -ENTRY(__memset_z900) +ENTRY(__memset_default) #else ENTRY(memset) #endif .machine "z900" - ltgr %r4,%r4 - je .L_Z900_4 - stc %r3,0(%r2) - cghi %r4,1 - lgr %r1,%r2 - je .L_Z900_4 - aghi %r4,-2 - srlg %r3,%r4,8 - ltgr %r3,%r3 - jne .L_Z900_14 + ltgr %r4,%r4 + je .L_Z900_4 + stc %r3,0(%r2) + cghi %r4,1 + lgr %r1,%r2 + je .L_Z900_4 + aghi %r4,-2 + srlg %r3,%r4,8 + ltgr %r3,%r3 + jne .L_Z900_14 .L_Z900_3: - larl %r3,.L_Z900_18 - ex %r4,0(%r3) + larl %r3,.L_Z900_18 + ex %r4,0(%r3) .L_Z900_4: - br %r14 + br %r14 .L_Z900_14: - mvc 1(256,%r1),0(%r1) - la %r1,256(%r1) - brctg %r3,.L_Z900_14 - j .L_Z900_3 + mvc 1(256,%r1),0(%r1) + la %r1,256(%r1) + brctg %r3,.L_Z900_14 + j .L_Z900_3 .L_Z900_18: - mvc 1(1,%r1),0(%r1) + mvc 1(1,%r1),0(%r1) #ifdef USE_MULTIARCH -END(__memset_z900) +END(__memset_default) #else END(memset) libc_hidden_builtin_def (memset) diff --git a/sysdeps/s390/s390-64/multiarch/Makefile b/sysdeps/s390/s390-64/multiarch/Makefile index 9baeecda64..91053b5364 100644 --- a/sysdeps/s390/s390-64/multiarch/Makefile +++ b/sysdeps/s390/s390-64/multiarch/Makefile @@ -1,3 +1,4 @@ ifeq ($(subdir),string) -sysdep_routines += ifunc-resolve memset memcpy memcmp +sysdep_routines += memset memset-s390x memcpy memcpy-s390x \ + memcmp memcmp-s390x endif diff --git a/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c b/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c deleted file mode 100644 index b303304f31..0000000000 --- a/sysdeps/s390/s390-64/multiarch/ifunc-resolve.c +++ /dev/null @@ -1,76 +0,0 @@ -/* IFUNC resolver function for CPU specific functions. - 64 bit S/390 version. - Copyright (C) 2012-2015 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 <unistd.h> -#include <dl-procinfo.h> - -#define STFLE_BITS_Z10 34 /* General instructions extension */ -#define STFLE_BITS_Z196 45 /* Distinct operands, pop ... */ - -#if IS_IN (libc) - -#define IFUNC_RESOLVE(FUNC) \ - asm (".globl " #FUNC "\n\t" \ - ".type " #FUNC ",@gnu_indirect_function\n\t" \ - ".set " #FUNC ",__resolve_" #FUNC "\n\t" \ - ".globl __GI_" #FUNC "\n\t" \ - ".set __GI_" #FUNC "," #FUNC "\n"); \ - \ - /* Make the declarations of the optimized functions hidden in order - to prevent GOT slots being generated for them. */ \ - extern void *__##FUNC##_z196 attribute_hidden; \ - extern void *__##FUNC##_z10 attribute_hidden; \ - extern void *__##FUNC##_z900 attribute_hidden; \ - \ - void *__resolve_##FUNC (unsigned long int dl_hwcap) \ - { \ - if (dl_hwcap & HWCAP_S390_STFLE) \ - { \ - /* We want just 1 double word to be returned. */ \ - register unsigned long reg0 asm("0") = 0; \ - unsigned long stfle_bits; \ - \ - asm volatile(".machine push" "\n\t" \ - ".machine \"z9-109\"" "\n\t" \ - "stfle %0" "\n\t" \ - ".machine pop" "\n" \ - : "=QS" (stfle_bits), "+d" (reg0) \ - : : "cc"); \ - \ - if ((stfle_bits & (1UL << (63 - STFLE_BITS_Z196))) != 0) \ - return &__##FUNC##_z196; \ - else if ((stfle_bits & (1UL << (63 - STFLE_BITS_Z10))) != 0) \ - return &__##FUNC##_z10; \ - else \ - return &__##FUNC##_z900; \ - } \ - else \ - return &__##FUNC##_z900; \ - } - -IFUNC_RESOLVE(memset) -IFUNC_RESOLVE(memcmp) -asm(".weak bcmp ; bcmp = memcmp"); - -/* In the static lib memcpy is needed before the reloc is resolved. */ -#ifdef SHARED -IFUNC_RESOLVE(memcpy) -#endif - -#endif diff --git a/sysdeps/s390/s390-64/multiarch/memcmp.S b/sysdeps/s390/s390-64/multiarch/memcmp-s390x.S index 049847d9cf..b475ed4ec5 100644 --- a/sysdeps/s390/s390-64/multiarch/memcmp.S +++ b/sysdeps/s390/s390-64/multiarch/memcmp-s390x.S @@ -31,71 +31,71 @@ ENTRY(__memcmp_z196) .machine "z196" - ltgr %r4,%r4 - je .L_Z196_4 - aghi %r4,-1 - srlg %r1,%r4,8 - ltgr %r1,%r1 - jne .L_Z196_2 + ltgr %r4,%r4 + je .L_Z196_4 + aghi %r4,-1 + srlg %r1,%r4,8 + ltgr %r1,%r1 + jne .L_Z196_2 .L_Z196_3: - exrl %r4,.L_Z196_14 + exrl %r4,.L_Z196_14 .L_Z196_4: - ipm %r2 - sllg %r2,%r2,34 - srag %r2,%r2,62 - br %r14 + ipm %r2 + sllg %r2,%r2,34 + srag %r2,%r2,62 + br %r14 .L_Z196_17: - la %r3,256(%r3) - la %r2,256(%r2) - aghi %r1,-1 - je .L_Z196_3 + la %r3,256(%r3) + la %r2,256(%r2) + aghi %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 - sllg %r2,%r2,34 - srag %r2,%r2,62 - br %r14 + pfd 1,512(%r3) + pfd 1,512(%r2) + clc 0(256,%r3),0(%r2) + je .L_Z196_17 + ipm %r2 + sllg %r2,%r2,34 + srag %r2,%r2,62 + br %r14 .L_Z196_14: - clc 0(1,%r3),0(%r2) + clc 0(1,%r3),0(%r2) END(__memcmp_z196) ENTRY(__memcmp_z10) .machine "z10" - ltgr %r4,%r4 - je .L_Z10_4 - aghi %r4,-1 - srlg %r1,%r4,8 - cgijlh %r1,0,.L_Z10_12 + ltgr %r4,%r4 + je .L_Z10_4 + aghi %r4,-1 + srlg %r1,%r4,8 + cgijlh %r1,0,.L_Z10_12 .L_Z10_3: - exrl %r4,.L_Z10_15 + exrl %r4,.L_Z10_15 .L_Z10_4: - ipm %r2 - sllg %r2,%r2,34 - srag %r2,%r2,62 - br %r14 + ipm %r2 + sllg %r2,%r2,34 + srag %r2,%r2,62 + 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) - brctg %r1,.L_Z10_12 - j .L_Z10_3 + 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) + brctg %r1,.L_Z10_12 + j .L_Z10_3 .L_Z10_15: - clc 0(1,%r3),0(%r2) + clc 0(1,%r3),0(%r2) END(__memcmp_z10) -#endif +#endif /* IS_IN (libc) */ #include "../memcmp.S" #if !IS_IN (libc) .globl memcmp -.set memcmp,__memcmp_z900 +.set memcmp,__memcmp_default .weak bcmp -.set bcmp,__memcmp_z900 +.set bcmp,__memcmp_default #endif diff --git a/sysdeps/s390/s390-64/multiarch/memcmp.c b/sysdeps/s390/s390-64/multiarch/memcmp.c new file mode 100644 index 0000000000..a3607e4472 --- /dev/null +++ b/sysdeps/s390/s390-64/multiarch/memcmp.c @@ -0,0 +1,24 @@ +/* Multiple versions of memcmp. + Copyright (C) 2015 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) +# include <ifunc-resolve.h> + +s390_libc_ifunc (memcmp) +asm(".weak bcmp ; bcmp = memcmp"); +#endif diff --git a/sysdeps/s390/s390-64/multiarch/memcpy.S b/sysdeps/s390/s390-64/multiarch/memcpy-s390x.S index fc670c7ac4..4b0e6cb917 100644 --- a/sysdeps/s390/s390-64/multiarch/memcpy.S +++ b/sysdeps/s390/s390-64/multiarch/memcpy-s390x.S @@ -30,65 +30,65 @@ #if defined SHARED && IS_IN (libc) ENTRY(__memcpy_z196) - .machine "z196" - ltgr %r4,%r4 - je .L_Z196_4 - aghi %r4,-1 - lgr %r1,%r2 - srlg %r5,%r4,8 - ltgr %r5,%r5 - jne .L_Z196_5 + .machine "z196" + ltgr %r4,%r4 + je .L_Z196_4 + aghi %r4,-1 + lgr %r1,%r2 + srlg %r5,%r4,8 + ltgr %r5,%r5 + jne .L_Z196_5 .L_Z196_3: - exrl %r4,.L_Z196_14 + exrl %r4,.L_Z196_14 .L_Z196_4: - br %r14 + br %r14 .L_Z196_5: - cgfi %r5,262144 # Switch to mvcle for copies >64MB - jh __memcpy_mvcle + cgfi %r5,262144 # Switch to mvcle for copies >64MB + jh __memcpy_mvcle .L_Z196_2: - pfd 1,768(%r3) - pfd 2,768(%r1) - mvc 0(256,%r1),0(%r3) - aghi %r5,-1 - la %r1,256(%r1) - la %r3,256(%r3) - jne .L_Z196_2 - j .L_Z196_3 + pfd 1,768(%r3) + pfd 2,768(%r1) + mvc 0(256,%r1),0(%r3) + aghi %r5,-1 + la %r1,256(%r1) + la %r3,256(%r3) + jne .L_Z196_2 + j .L_Z196_3 .L_Z196_14: - mvc 0(1,%r1),0(%r3) + mvc 0(1,%r1),0(%r3) END(__memcpy_z196) ENTRY(__memcpy_z10) .machine "z10" - cgije %r4,0,.L_Z10_4 - aghi %r4,-1 - lgr %r1,%r2 - srlg %r5,%r4,8 - cgijlh %r5,0,.L_Z10_13 + cgije %r4,0,.L_Z10_4 + aghi %r4,-1 + lgr %r1,%r2 + srlg %r5,%r4,8 + cgijlh %r5,0,.L_Z10_13 .L_Z10_3: - exrl %r4,.L_Z10_15 + exrl %r4,.L_Z10_15 .L_Z10_4: - br %r14 + br %r14 .L_Z10_13: - cgfi %r5,65535 # Switch to mvcle for copies >16MB - jh __memcpy_mvcle + cgfi %r5,65535 # Switch to mvcle for copies >16MB + jh __memcpy_mvcle .L_Z10_12: - pfd 1,768(%r3) - pfd 2,768(%r1) - mvc 0(256,%r1),0(%r3) - la %r1,256(%r1) - la %r3,256(%r3) - brctg %r5,.L_Z10_12 - j .L_Z10_3 + pfd 1,768(%r3) + pfd 2,768(%r1) + mvc 0(256,%r1),0(%r3) + la %r1,256(%r1) + la %r3,256(%r3) + brctg %r5,.L_Z10_12 + j .L_Z10_3 .L_Z10_15: - mvc 0(1,%r1),0(%r3) + mvc 0(1,%r1),0(%r3) END(__memcpy_z10) -#endif +#endif /* SHARED && IS_IN (libc) */ #include "../memcpy.S" #if !defined SHARED || !IS_IN (libc) .globl memcpy -.set memcpy,__memcpy_z900 +.set memcpy,__memcpy_default #endif diff --git a/sysdeps/s390/s390-64/multiarch/memcpy.c b/sysdeps/s390/s390-64/multiarch/memcpy.c new file mode 100644 index 0000000000..cf2068c4a0 --- /dev/null +++ b/sysdeps/s390/s390-64/multiarch/memcpy.c @@ -0,0 +1,24 @@ +/* Multiple versions of memcpy. + Copyright (C) 2015 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/>. */ + +/* In the static lib memcpy is needed before the reloc is resolved. */ +#if defined SHARED && IS_IN (libc) +# include <ifunc-resolve.h> + +s390_libc_ifunc (memcpy) +#endif diff --git a/sysdeps/s390/s390-64/multiarch/memset.S b/sysdeps/s390/s390-64/multiarch/memset-s390x.S index 3ac110a7e0..241c128cda 100644 --- a/sysdeps/s390/s390-64/multiarch/memset.S +++ b/sysdeps/s390/s390-64/multiarch/memset-s390x.S @@ -31,58 +31,58 @@ ENTRY(__memset_z196) .machine "z196" - ltgr %r4,%r4 - je .L_Z196_4 - stc %r3,0(%r2) - lgr %r1,%r2 - cghi %r4,1 - je .L_Z196_4 - aghi %r4,-2 - srlg %r5,%r4,8 - ltgr %r5,%r5 - jne .L_Z196_1 + ltgr %r4,%r4 + je .L_Z196_4 + stc %r3,0(%r2) + lgr %r1,%r2 + cghi %r4,1 + je .L_Z196_4 + aghi %r4,-2 + srlg %r5,%r4,8 + ltgr %r5,%r5 + jne .L_Z196_1 .L_Z196_3: - exrl %r4,.L_Z196_17 + exrl %r4,.L_Z196_17 .L_Z196_4: - br %r14 + br %r14 .L_Z196_1: cgfi %r5,1048576 jh __memset_mvcle # Switch to mvcle for >256MB .L_Z196_2: - pfd 2,1024(%r1) - mvc 1(256,%r1),0(%r1) - aghi %r5,-1 - la %r1,256(%r1) - jne .L_Z196_2 - j .L_Z196_3 + pfd 2,1024(%r1) + mvc 1(256,%r1),0(%r1) + aghi %r5,-1 + la %r1,256(%r1) + jne .L_Z196_2 + j .L_Z196_3 .L_Z196_17: - mvc 1(1,%r1),0(%r1) + mvc 1(1,%r1),0(%r1) END(__memset_z196) ENTRY(__memset_z10) .machine "z10" - cgije %r4,0,.L_Z10_4 - stc %r3,0(%r2) - lgr %r1,%r2 - cgije %r4,1,.L_Z10_4 - aghi %r4,-2 - srlg %r5,%r4,8 - cgijlh %r5,0,.L_Z10_15 + cgije %r4,0,.L_Z10_4 + stc %r3,0(%r2) + lgr %r1,%r2 + cgije %r4,1,.L_Z10_4 + aghi %r4,-2 + srlg %r5,%r4,8 + cgijlh %r5,0,.L_Z10_15 .L_Z10_3: - exrl %r4,.L_Z10_18 + exrl %r4,.L_Z10_18 .L_Z10_4: - br %r14 + br %r14 .L_Z10_15: cgfi %r5,163840 # Switch to mvcle for >40MB jh __memset_mvcle .L_Z10_14: - pfd 2,1024(%r1) - mvc 1(256,%r1),0(%r1) - la %r1,256(%r1) - brctg %r5,.L_Z10_14 - j .L_Z10_3 + pfd 2,1024(%r1) + mvc 1(256,%r1),0(%r1) + la %r1,256(%r1) + brctg %r5,.L_Z10_14 + j .L_Z10_3 .L_Z10_18: - mvc 1(1,%r1),0(%r1) + mvc 1(1,%r1),0(%r1) END(__memset_z10) ENTRY(__memset_mvcle) @@ -99,11 +99,11 @@ ENTRY(__memset_mvcle) br %r14 END(__memset_mvcle) -#endif +#endif /* IS_IN (libc) */ #include "../memset.S" #if !IS_IN (libc) .globl memset -.set memset,__memset_z900 +.set memset,__memset_default #endif diff --git a/sysdeps/s390/s390-64/multiarch/memset.c b/sysdeps/s390/s390-64/multiarch/memset.c new file mode 100644 index 0000000000..ae0568b63e --- /dev/null +++ b/sysdeps/s390/s390-64/multiarch/memset.c @@ -0,0 +1,23 @@ +/* Multiple versions of memset. + Copyright (C) 2015 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) +# include <ifunc-resolve.h> + +s390_libc_ifunc (memset) +#endif |