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alpha: Fix tls-macros.h

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Reported to the gcc bugzilla, there was a missing dependency on $gp
that let the compiler generated $gp reload be scheduled across the
macros here.
This commit is contained in:
Richard Henderson 2014-01-24 09:07:04 -08:00
parent 47590bce28
commit 4ab6acaebd
2 changed files with 16 additions and 11 deletions
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5
ports/ChangeLog.alpha
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@ -1,3 +1,8 @@
2014-01-24 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/tls-macros.h (TLS_GD): Add dependency on $gp.
(TLS_LD, TLS_IE): Likewise.
2013-12-07 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/bits/mman.h: Use <bits/mman-linux.h>,

22
ports/sysdeps/alpha/tls-macros.h
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@ -2,21 +2,21 @@
extern void *__tls_get_addr (void *);
# define TLS_GD(x) \
({ void *__result; \
asm ("lda %0, " #x "($gp) !tlsgd" : "=r" (__result)); \
# define TLS_GD(x) \
({ register void *__gp asm ("$29"); void *__result; \
asm ("lda %0, " #x "($gp) !tlsgd" : "=r" (__result) : "r"(__gp)); \
__tls_get_addr (__result); })
# define TLS_LD(x) \
({ void *__result; \
asm ("lda %0, " #x "($gp) !tlsldm" : "=r" (__result)); \
__result = __tls_get_addr (__result); \
asm ("lda %0, " #x "(%0) !dtprel" : "+r" (__result)); \
# define TLS_LD(x) \
({ register void *__gp asm ("$29"); void *__result; \
asm ("lda %0, " #x "($gp) !tlsldm" : "=r" (__result) : "r"(__gp)); \
__result = __tls_get_addr (__result); \
asm ("lda %0, " #x "(%0) !dtprel" : "+r" (__result)); \
__result; })
# define TLS_IE(x) \
({ long ofs; \
asm ("ldq %0, " #x "($gp) !gottprel" : "=r"(ofs)); \
# define TLS_IE(x) \
({ register void *__gp asm ("$29"); long ofs; \
asm ("ldq %0, " #x "($gp) !gottprel" : "=r"(ofs) : "r"(__gp)); \
__builtin_thread_pointer () + ofs; })
# define TLS_LE(x) \