mirror/glibc
2
0
Fork 0
mirror of git://sourceware.org/git/glibc.git synced 2024-11-27 03:41:23 +08:00
Code Issues Packages Projects Releases Wiki Activity

x86_64: Convert __rint* and __floor* from macros to inlines.

Browse Source
This commit is contained in:
Richard Henderson 2012-03-06 15:58:51 -08:00
parent 64e21edef1
commit 15194b4b3d
2 changed files with 48 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ChangeLog
View File

@ -1,5 +1,9 @@
2012-03-08 Richard Henderson <rth@twiddle.net>
* sysdeps/x86_64/fpu/math_private.h (__rint): Convert from macro
to inline function.
(__rintf, __floor, __floorf): Likewise.
* sysdeps/x86_64/fpu/math_private.h (__ieee754_sqrt): Convert from
macro to inline function.
(__ieee754_sqrtf, __ieee754_sqrtl): Likewise.

94
sysdeps/x86_64/fpu/math_private.h
View File

@ -123,60 +123,54 @@ __ieee754_sqrtl (long double d)
}
#ifdef __SSE4_1__
# ifndef __rint
# if defined __AVX__ || defined SSE2AVX
# define __rint(d) \
({ double __res; \
asm ("vroundsd $4, %1, %0, %0" : "=x" (__res) : "xm" ((double) (d))); \
__res; })
# else
# define __rint(d) \
({ double __res; \
asm ("roundsd $4, %1, %0" : "=x" (__res) : "xm" ((double) (d))); \
__res; })
# endif
# endif
# ifndef __rintf
# if defined __AVX__ || defined SSE2AVX
# define __rintf(d) \
({ float __res; \
asm ("vroundss $4, %1, %0, %0" : "=x" (__res) : "xm" ((float) (d))); \
__res; })
# else
# define __rintf(d) \
({ float __res; \
asm ("roundss $4, %1, %0" : "=x" (__res) : "xm" ((float) (d))); \
__res; })
# endif
extern __always_inline double
__rint (double d)
{
double res;
# if defined __AVX__ || defined SSE2AVX
asm ("vroundsd $4, %1, %0, %0" : "=x" (res) : "xm" (d));
# else
asm ("roundsd $4, %1, %0" : "=x" (res) : "xm" (d));
# endif
return res;
}
# ifndef __floor
# if defined __AVX__ || defined SSE2AVX
# define __floor(d) \
({ double __res; \
asm ("vroundsd $1, %1, %0, %0" : "=x" (__res) : "xm" ((double) (d))); \
__res; })
# else
# define __floor(d) \
({ double __res; \
asm ("roundsd $1, %1, %0" : "=x" (__res) : "xm" ((double) (d))); \
__res; })
# endif
extern __always_inline float
__rintf (float d)
{
float res;
# if defined __AVX__ || defined SSE2AVX
asm ("vroundss $4, %1, %0, %0" : "=x" (res) : "xm" (d));
# else
asm ("roundss $4, %1, %0" : "=x" (res) : "xm" (d));
# endif
# ifndef __floorf
# if defined __AVX__ || defined SSE2AVX
# define __floorf(d) \
({ float __res; \
asm ("vroundss $1, %1, %0, %0" : "=x" (__res) : "xm" ((float) (d))); \
__res; })
# else
# define __floorf(d) \
({ float __res; \
asm ("roundss $1, %1, %0" : "=x" (__res) : "xm" ((float) (d))); \
__res; })
# endif
return res;
}
extern __always_inline double
__floor (double d)
{
double res;
# if defined __AVX__ || defined SSE2AVX
asm ("vroundsd $1, %1, %0, %0" : "=x" (res) : "xm" (d));
# else
asm ("roundsd $1, %1, %0" : "=x" (res) : "xm" (d));
# endif
#endif
return res;
}
extern __always_inline float
__floorf (float d)
{
float res;
# if defined __AVX__ || defined SSE2AVX
asm ("vroundss $1, %1, %0, %0" : "=x" (res) : "xm" (d));
# else
asm ("roundss $1, %1, %0" : "=x" (res) : "xm" (d));
# endif
return res;
}
#endif /* __SSE4_1__ */
/* Specialized variants of the <fenv.h> interfaces which only handle