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remove size suffix in x86_64 __pthread_self asm
author
Rich Felker
<dalias@aerifal.cx>
Sat, 11 Jan 2014 16:23:10 +0000
(11:23 -0500)
committer
Rich Felker
<dalias@aerifal.cx>
Sat, 11 Jan 2014 16:23:10 +0000
(11:23 -0500)
the operand size is unnecessary, since the assembler knows it from the
destination register size. removing the suffix makes it so the same
code should work for x32.
arch/x86_64/pthread_arch.h
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diff --git
a/arch/x86_64/pthread_arch.h
b/arch/x86_64/pthread_arch.h
index 77c8387c57b698118bbd1af0da452274ca0d710f..29e4590c16601909b9452eb6440a7374dad6498c 100644
(file)
--- a/
arch/x86_64/pthread_arch.h
+++ b/
arch/x86_64/pthread_arch.h
@@
-1,7
+1,7
@@
static inline struct pthread *__pthread_self()
{
struct pthread *self;
- __asm__ __volatile__ ("mov
q
%%fs:0,%0" : "=r" (self) );
+ __asm__ __volatile__ ("mov %%fs:0,%0" : "=r" (self) );
return self;
}