diff options
Diffstat (limited to 'sysdeps/i386/fpu/s_nexttowardf.c')
| -rw-r--r-- | sysdeps/i386/fpu/s_nexttowardf.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/sysdeps/i386/fpu/s_nexttowardf.c b/sysdeps/i386/fpu/s_nexttowardf.c index 3fbe53c338..25f70e4f4d 100644 --- a/sysdeps/i386/fpu/s_nexttowardf.c +++ b/sysdeps/i386/fpu/s_nexttowardf.c @@ -19,7 +19,8 @@ static char rcsid[] = "$NetBSD: $"; #endif #include "math.h" -#include "math_private.h" +#include <math_private.h> +#include <float.h> #ifdef __STDC__ float __nexttowardf(float x, long double y) @@ -44,10 +45,12 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if((long double) x==y) return y; /* x=y, return y */ if(ix==0) { /* x == 0 */ - float x2; + float u; SET_FLOAT_WORD(x,((esy&0x8000)<<16)|1);/* return +-minsub*/ - x2 = x*x; - if(x2==x) return x2; else return x; /* raise underflow flag */ + u = math_opt_barrier (x); + u = u * u; + math_force_eval (u); /* raise underflow flag */ + return x; } if(hx>=0) { /* x > 0 */ if(esy>=0x8000||((ix>>23)&0xff)>iy-0x3f80 @@ -69,16 +72,14 @@ static char rcsid[] = "$NetBSD: $"; hy = hx&0x7f800000; if(hy>=0x7f800000) { x = x+x; /* overflow */ - /* Force conversion to float. */ - asm ("" : "=m"(x) : "m"(x)); + if (FLT_EVAL_METHOD != 0) + /* Force conversion to float. */ + asm ("" : "+m"(x)); return x; } - if(hy<0x00800000) { /* underflow */ - float x2 = x*x; - if(x2!=x) { /* raise underflow flag */ - SET_FLOAT_WORD(x2,hx); - return x2; - } + if(hy<0x00800000) { + float u = x*x; /* underflow */ + math_force_eval (u); /* raise underflow flag */ } SET_FLOAT_WORD(x,hx); return x; |