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aac54dcd37
glibc/sysdeps/powerpc/powerpc64
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Adhemerval Zanella aac54dcd37 powerpc: Define USE_PPC64_NOTOC iff compiler supports it 
The @notoc usage only yields an advantage on ISA 3.1+ machine (power10)
and for ld.bfd also when it sees pcrel relocations used on the code
(generated if compiler targets ISA 3.1+).  On bfd case ISA 3.1+
instruction on stubs are used iff linker also sees the new pc-relative
relocations (for instance R_PPC64_D34), otherwise it generates default
stubs (ppc64_elf_check_relocs:4700).

This patch also help on linkers that do not implement this optimization,
since building for older ISA (such as 3.0 / power9) will also trigger
power10 stubs generation in the assembly code uses the NOTOC imacro.

Checked on powerpc64le-linux-gnu.

Reviewed-by: Fangrui Song <maskray@google.com>
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
2021-11-22 14:49:11 -03:00
..
a2 Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
be Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
bits Define wordsize.h macros everywhere 2016-11-04 09:37:44 -07:00
cell Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
fpu Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
le String: Add hidden defs for __memcmpeq() to enable internal usage 2021-10-26 16:51:29 -05:00
multiarch String: Add hidden defs for __memcmpeq() to enable internal usage 2021-10-26 16:51:29 -05:00
power4 String: Add hidden defs for __memcmpeq() to enable internal usage 2021-10-26 16:51:29 -05:00
power6 Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
power7 String: Add hidden defs for __memcmpeq() to enable internal usage 2021-10-26 16:51:29 -05:00
power8 String: Add hidden defs for __memcmpeq() to enable internal usage 2021-10-26 16:51:29 -05:00
__longjmp-common.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
__longjmp.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
addmul_1.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
atomic-machine.h Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
bsd-_setjmp.S
bsd-setjmp.S
bzero.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
configure powerpc: Define USE_PPC64_NOTOC iff compiler supports it 2021-11-22 14:49:11 -03:00
configure.ac powerpc: Define USE_PPC64_NOTOC iff compiler supports it 2021-11-22 14:49:11 -03:00
crti.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
crtn.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-dtprocnum.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-funcdesc.h elf: Fix dynamic-link.h usage on rtld.c 2021-10-14 14:52:07 -03:00
dl-irel.h elf: Fix dynamic-link.h usage on rtld.c 2021-10-14 14:52:07 -03:00
dl-machine.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
dl-machine.h elf: Fix dynamic-link.h usage on rtld.c 2021-10-14 14:52:07 -03:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
entry.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ffsll.c Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
hp-timing.h Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
Implies Revert "Use ieee754/dbl-64/wordsize-64 on powerpc64" 2013-01-10 10:44:05 +01:00
lshift.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
Makefile Remove stale references to libdl.a 2021-06-09 19:14:02 +02:00
memcpy.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
memset.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
mul_1.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
ppc-mcount.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
register-dump.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
rtld-memset.c
setjmp-bug21895.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
setjmp-common.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
setjmp.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
stackguard-macros.h PowerPC: Fix POINTER_CHK_GUARD thread register for PPC64 2013-09-25 13:43:04 -05:00
start.S Reduce the statically linked startup code [BZ #23323] 2021-02-25 12:13:02 +01:00
strchr.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
strcmp.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
strlen.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
strncmp.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
submul_1.S Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
sysdep.h Add build option to disable usage of scv on powerpc 2021-06-10 16:23:25 -03:00
tst-audit.h Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tst-setjmp-bug21895-static.c Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
tst-ucontext-ppc64-vscr.c powerpc: Fix unrecognized instruction errors with recent GCC 2021-09-20 16:52:38 -05:00