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authorWaldemar Brodkorb <wbx@openadk.org>2017-01-22 10:24:51 +0100
committerWaldemar Brodkorb <wbx@openadk.org>2017-01-28 10:31:19 +0100
commitbddde5860ffb8a78587854cc8e3e914bd69269ca (patch)
treed37c90a9ca983fb8be614844343ba2941927f88a /libc/sysdeps/linux/arc/clone.S
parent30adfbeb8843c28869cc6ee33d7c556721cb241a (diff)
remove PID caching
Follow GNU C Library from c579f48edba88380635ab98cb612030e3ed8691e and remove the PID caching. These simplifies the architecture specific assembly code. The run of the test suite found no regressions, it even solves some of the test failures for x86/x86_64/sparc. Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Vineet Gupta <Vineet.Gupta1@synopsys.com> Acked-by: Matthew Fortune <Matthew.Fortune@imgtec.com> Acked-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Diffstat (limited to 'libc/sysdeps/linux/arc/clone.S')
-rw-r--r--libc/sysdeps/linux/arc/clone.S13
1 files changed, 1 insertions, 12 deletions
diff --git a/libc/sysdeps/linux/arc/clone.S b/libc/sysdeps/linux/arc/clone.S
index 3942b88f7..c2ce906c9 100644
--- a/libc/sysdeps/linux/arc/clone.S
+++ b/libc/sysdeps/linux/arc/clone.S
@@ -61,20 +61,9 @@ ENTRY(clone)
; Setup TP register (since kernel doesn't do that)
and.f 0, r12, CLONE_SETTLS
bz .Lnext_clone_quirk
- SET_TP r9
+ mov r25, r9
.Lnext_clone_quirk:
-#ifdef RESET_PID
- bbit1 r12, 16, .Lgo_thread ; CLONE_THREAD = (1 << 16)
-
- mov r8, __NR_getpid
- ARC_TRAP_INSN ; r0 has PID
- THREAD_SELF r1 ; Get to struct pthread (just before TCB)
- st r0, [r1, PTHREAD_PID]
- st r0, [r1, PTHREAD_TID]
-
-.Lgo_thread:
-#endif
#endif
; child jumps off to @fn with @arg as argument, and returns here
jl.d [r10]