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| author | Richard Henderson <rth@twiddle.net> | 2012-03-06 15:41:14 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2012-03-09 11:15:19 -0800 |
| commit | 64e21edef13c6d2592f276d599d8eed01a1b1a9a (patch) | |
| tree | 5fe81b3c9db53f193b4eed171fa9277b4682057a /sysdeps/x86_64/fpu/math_private.h | |
| parent | 38842f4553f5dfebd8c276e07dbbbadc60921fef (diff) | |
| download | glibc-64e21edef13c6d2592f276d599d8eed01a1b1a9a.tar.gz glibc-64e21edef13c6d2592f276d599d8eed01a1b1a9a.tar.xz glibc-64e21edef13c6d2592f276d599d8eed01a1b1a9a.zip | |
x86_64: Convert __ieee754_sqrt{,f,l} from macros to inlines.
Diffstat (limited to 'sysdeps/x86_64/fpu/math_private.h')
| -rw-r--r-- | sysdeps/x86_64/fpu/math_private.h | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h index 8e79718262..07bc7e30c4 100644 --- a/sysdeps/x86_64/fpu/math_private.h +++ b/sysdeps/x86_64/fpu/math_private.h @@ -1,4 +1,5 @@ -#ifndef _MATH_PRIVATE_H +#ifndef X86_64_MATH_PRIVATE_H +#define X86_64_MATH_PRIVATE_H 1 #define math_opt_barrier(x) \ ({ __typeof(x) __x; \ @@ -67,7 +68,6 @@ f = f__; \ } while (0) -#endif #define __isnan(d) \ ({ long int __di; EXTRACT_WORDS64 (__di, (double) (d)); \ @@ -90,29 +90,37 @@ ({ int __di; GET_FLOAT_WORD (__di, (float) d); \ (__di & 0x7fffffff) < 0x7f800000; }) +extern __always_inline double +__ieee754_sqrt (double d) +{ + double res; #if defined __AVX__ || defined SSE2AVX -# define __ieee754_sqrt(d) \ - ({ double __res; \ - asm ("vsqrtsd %1, %0, %0" : "=x" (__res) : "xm" ((double) (d))); \ - __res; }) -# define __ieee754_sqrtf(d) \ - ({ float __res; \ - asm ("vsqrtss %1, %0, %0" : "=x" (__res) : "xm" ((float) (d))); \ - __res; }) + asm ("vsqrtsd %1, %0, %0" : "=x" (res) : "xm" (d)); #else -# define __ieee754_sqrt(d) \ - ({ double __res; \ - asm ("sqrtsd %1, %0" : "=x" (__res) : "xm" ((double) (d))); \ - __res; }) -# define __ieee754_sqrtf(d) \ - ({ float __res; \ - asm ("sqrtss %1, %0" : "=x" (__res) : "xm" ((float) (d))); \ - __res; }) + asm ("sqrtsd %1, %0" : "=x" (res) : "xm" (d)); #endif -#define __ieee754_sqrtl(d) \ - ({ long double __res; \ - asm ("fsqrt" : "=t" (__res) : "0" ((long double) (d))); \ - __res; }) + return res; +} + +extern __always_inline float +__ieee754_sqrtf (float d) +{ + float res; +#if defined __AVX__ || defined SSE2AVX + asm ("vsqrtss %1, %0, %0" : "=x" (res) : "xm" (d)); +#else + asm ("sqrtss %1, %0" : "=x" (res) : "xm" (d)); +#endif + return res; +} + +extern __always_inline long double +__ieee754_sqrtl (long double d) +{ + long double res; + asm ("fsqrt" : "=t" (res) : "0" (d)); + return res; +} #ifdef __SSE4_1__ # ifndef __rint @@ -226,3 +234,5 @@ #undef libc_feupdateenvf #define libc_feupdateenvf(e) libc_feupdateenv (e) // #define libc_feupdateenvl(e) (void) feupdateenv (e) + +#endif /* X86_64_MATH_PRIVATE_H */ |