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Bug#55061: Build failing on sol 8 x86 - assembler code vs

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compiler problem

GCC-style inline assembly is not supported by the Sun Studio
compilers prior to version 12.

Added a check for the Sun Studio version to avoid using 
_FPU_GETCW() / _FPU_SETCW() when inline assembly is
 unsupported. This can lead to some differences in floating
point calculations on Solaris 8/x86 which, however, is not worth
bothering with Sun-style assembly .il templates.
This commit is contained in:
Alexey Kopytov 2010-07-12 18:58:55 +04:00
parent 52d5941bf1
commit e98169d52c
1 changed files with 1 additions and 1 deletions
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2
sql/mysqld.cc
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@ -190,7 +190,7 @@ typedef fp_except fp_except_t;
# define fpu_control_t unsigned int
# define _FPU_EXTENDED 0x300
# define _FPU_DOUBLE 0x200
# if defined(__GNUC__) || defined(__SUNPRO_CC)
# if defined(__GNUC__) || (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x590)
# define _FPU_GETCW(cw) asm volatile ("fnstcw %0" : "=m" (*&cw))
# define _FPU_SETCW(cw) asm volatile ("fldcw %0" : : "m" (*&cw))
# else