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authorJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
commit32c075e1f01849e161724bbd400ba77244e482cc (patch)
tree5f083a3f352104f32bb6c902d57fa3f294bd8d4d /math/s_nexttowardf.c
parentd6220e9ee38c1c9285221b023346201ec5f511b3 (diff)
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Diffstat (limited to 'math/s_nexttowardf.c')
-rw-r--r--math/s_nexttowardf.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/math/s_nexttowardf.c b/math/s_nexttowardf.c
index 1a1026612e..0494d1a4e9 100644
--- a/math/s_nexttowardf.c
+++ b/math/s_nexttowardf.c
@@ -21,7 +21,7 @@
*/
#include <math.h>
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -45,10 +45,12 @@
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,(u_int32_t)(hy&0x80000000)|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(hy<0||(ix>>23)>(iy>>20)-0x380
@@ -70,15 +72,12 @@
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0)
/* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ 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;