diff options
Diffstat (limited to 'libc/sysdeps/powerpc/fpu/e_sqrt.c')
| -rw-r--r-- | libc/sysdeps/powerpc/fpu/e_sqrt.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/libc/sysdeps/powerpc/fpu/e_sqrt.c b/libc/sysdeps/powerpc/fpu/e_sqrt.c index e95b786a0..f9ded2571 100644 --- a/libc/sysdeps/powerpc/fpu/e_sqrt.c +++ b/libc/sysdeps/powerpc/fpu/e_sqrt.c @@ -1,5 +1,5 @@ /* Double-precision floating point square root. - Copyright (C) 1997, 2002, 2003, 2004, 2008 Free Software Foundation, Inc. + Copyright (C) 1997, 2002-2004, 2008, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -46,21 +46,15 @@ extern const float __t_sqrt[1024]; generated guesses (which mostly runs on the integer unit, while the Newton-Raphson is running on the FPU). */ -#ifdef __STDC__ double __slow_ieee754_sqrt (double x) -#else -double -__slow_ieee754_sqrt (x) - double x; -#endif { const float inf = a_inf.value; if (x > 0) { /* schedule the EXTRACT_WORDS to get separation between the store - and the load. */ + and the load. */ ieee_double_shape_type ew_u; ieee_double_shape_type iw_u; ew_u.value = (x); @@ -147,7 +141,7 @@ __slow_ieee754_sqrt (x) else if (x < 0) { /* For some reason, some PowerPC32 processors don't implement - FE_INVALID_SQRT. */ + FE_INVALID_SQRT. */ #ifdef FE_INVALID_SQRT feraiseexcept (FE_INVALID_SQRT); @@ -160,14 +154,8 @@ __slow_ieee754_sqrt (x) return f_wash (x); } -#ifdef __STDC__ double __ieee754_sqrt (double x) -#else -double -__ieee754_sqrt (x) - double x; -#endif { double z; @@ -175,7 +163,7 @@ __ieee754_sqrt (x) if (__CPU_HAS_FSQRT) { /* Volatile is required to prevent the compiler from moving the - fsqrt instruction above the branch. */ + fsqrt instruction above the branch. */ __asm __volatile (" fsqrt %0,%1\n" :"=f" (z):"f" (x)); } @@ -184,3 +172,4 @@ __ieee754_sqrt (x) return z; } +strong_alias (__ieee754_sqrt, __sqrt_finite) |