summaryrefslogtreecommitdiff
path: root/sysdeps/s390/s390-32/multiarch
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/s390/s390-32/multiarch')
-rw-r--r--sysdeps/s390/s390-32/multiarch/Makefile3
-rw-r--r--sysdeps/s390/s390-32/multiarch/ifunc-resolve.c72
-rw-r--r--sysdeps/s390/s390-32/multiarch/memcmp-s390.S (renamed from sysdeps/s390/s390-32/multiarch/memcmp.S)94
-rw-r--r--sysdeps/s390/s390-32/multiarch/memcmp.c24
-rw-r--r--sysdeps/s390/s390-32/multiarch/memcpy-s390.S (renamed from sysdeps/s390/s390-32/multiarch/memcpy.S)82
-rw-r--r--sysdeps/s390/s390-32/multiarch/memcpy.c24
-rw-r--r--sysdeps/s390/s390-32/multiarch/memset-s390.S (renamed from sysdeps/s390/s390-32/multiarch/memset.S)76
-rw-r--r--sysdeps/s390/s390-32/multiarch/memset.c23
8 files changed, 199 insertions, 199 deletions
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/ifunc-resolve.c b/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
deleted file mode 100644
index 8e0cdd5df1..0000000000
--- a/sysdeps/s390/s390-32/multiarch/ifunc-resolve.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* IFUNC resolver function for CPU specific functions.
- 32 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##_g5 attribute_hidden; \
- \
- void *__resolve_##FUNC (unsigned long int dl_hwcap) \
- { \
- if ((dl_hwcap & HWCAP_S390_STFLE) \
- && (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; \
- \
- asm volatile(".insn s,0xb2b00000,%0" "\n\t" /* stfle */ \
- : "=QS" (stfle_bits), "+d" (reg0) \
- : : "cc"); \
- \
- if ((stfle_bits & (1ULL << (63 - STFLE_BITS_Z196))) != 0) \
- return &__##FUNC##_z196; \
- else if ((stfle_bits & (1ULL << (63 - STFLE_BITS_Z10))) != 0) \
- return &__##FUNC##_z10; \
- } \
- return &__##FUNC##_g5; \
- }
-
-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/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