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Use RSP_LP to operate on stack in stackinfo.h

This commit is contained in:
H.J. Lu 2012-05-15 10:00:56 -07:00
parent 70bc83b910
commit be8498fca0
2 changed files with 7 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/stackinfo.h (stackinfo_get_sp): Use RSP_LP.
(stackinfo_sub_sp): Likewise.
2012-05-15 H.J. Lu <hongjiu.lu@intel.com> 2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/multiarch/strcmp-sse42.S: Load pointers into * sysdeps/x86_64/multiarch/strcmp-sse42.S: Load pointers into

4
sysdeps/x86_64/stackinfo.h
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@ -34,10 +34,10 @@
for which they need to act as barriers as well, hence the additional for which they need to act as barriers as well, hence the additional
(unnecessary) parameters. */ (unnecessary) parameters. */
#define stackinfo_get_sp() \ #define stackinfo_get_sp() \
({ void *p__; asm volatile ("mov %%rsp, %0" : "=r" (p__)); p__; }) ({ void *p__; asm volatile ("mov %%" RSP_LP ", %0" : "=r" (p__)); p__; })
#define stackinfo_sub_sp(ptr) \ #define stackinfo_sub_sp(ptr) \
({ ptrdiff_t d__; \ ({ ptrdiff_t d__; \
asm volatile ("sub %%rsp, %0" : "=r" (d__) : "0" (ptr)); \ asm volatile ("sub %%" RSP_LP " , %0" : "=r" (d__) : "0" (ptr)); \
d__; }) d__; })
#endif /* stackinfo.h */ #endif /* stackinfo.h */