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| author | David Holsgrove <david.holsgrove@xilinx.com> | 2014-12-29 12:22:26 +1000 |
|---|---|---|
| committer | David Holsgrove <david.holsgrove@xilinx.com> | 2015-01-09 14:49:22 +1000 |
| commit | b360ee62d2c13b69ca58a36907093d9cf0f4b7a4 (patch) | |
| tree | 2c203b875ca9347f7e7a7f9d9b36eb7b66cf310d | |
| parent | caff764e8c3cddb21b62601773bdae4806a9c541 (diff) | |
| download | glibc-b360ee62d2c13b69ca58a36907093d9cf0f4b7a4.tar.gz glibc-b360ee62d2c13b69ca58a36907093d9cf0f4b7a4.tar.xz glibc-b360ee62d2c13b69ca58a36907093d9cf0f4b7a4.zip | |
MicroBlaze: Fix volatile-register-var warning in READ_THREAD_POINTER
Resolves warning: 'optimization may eliminate reads and/or writes to
register variables'
2015-01-06 David Holsgrove <david.holsgrove@xilinx.com>
* sysdeps/microblaze/nptl/tls.h: Remove inline
__microblaze_get_thread_area and update READ_THREAD_POINTER.
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/microblaze/nptl/tls.h | 11 |
2 files changed, 9 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog index 834e23c6da..2a925cd2a8 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2015-01-09 David Holsgrove <david.holsgrove@xilinx.com> + * sysdeps/microblaze/nptl/tls.h (__microblaze_get_thread_area): Function + removed. + (READ_THREAD_POINTER): Use __microblaze_thread_area instead. + +2015-01-09 David Holsgrove <david.holsgrove@xilinx.com> + * sysdeps/microblaze/nptl/tls.h (TLS_INIT_TP): Use NULL instead of 0. diff --git a/sysdeps/microblaze/nptl/tls.h b/sysdeps/microblaze/nptl/tls.h index fb4a71a8c3..171a745db9 100644 --- a/sysdeps/microblaze/nptl/tls.h +++ b/sysdeps/microblaze/nptl/tls.h @@ -59,14 +59,9 @@ typedef struct void *private; } tcbhead_t; -static inline void *__microblaze_get_thread_area (void) -{ - register void * volatile __microblaze_thread_area asm ("r21"); - return (void *) __microblaze_thread_area; -} - -# define READ_THREAD_POINTER() \ - ({ __microblaze_get_thread_area(); }) +#define READ_THREAD_POINTER() \ + ({ register void *__microblaze_thread_area asm ("r21"); \ + __microblaze_thread_area; }) /* This is the size of the initial TCB. */ # define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) |