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authorUlrich Drepper <drepper@redhat.com>2007-04-16 20:41:42 +0000
committerUlrich Drepper <drepper@redhat.com>2007-04-16 20:41:42 +0000
commit3e336a8754678d7a4ef7348c129e6f6e37523798 (patch)
treeb6862ee95859f59b0b09037ec588ae8da48b9477
parenta8c79c4088e8c04e4297936efa0dee6c8e6e974d (diff)
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[BZ #3306]
2007-03-27 Jakub Jelinek <jakub@redhat.com> [BZ #3306] * math/math_private.h (math_opt_barrier, math_force_eval): Define. * sysdeps/i386/fpu/math_private.h: New file. * sysdeps/x86_64/fpu/math_private.h: New file. * math/s_nexttowardf.c (__nexttowardf): Use math_opt_barrier and math_force_eval macros. Use "+m" constraint on asm rather than "=m" and "m". * math/s_nextafter.c (__nextafter): Likewise. * sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c (__nexttoward): Likewise. * sysdeps/ieee754/flt-32/s_nextafterf.c (__nextafterf): Likewise. * sysdeps/ieee754/ldbl-128/s_nexttoward.c (__nexttoward): Likewise. * sysdeps/ieee754/ldbl-96/s_nexttoward.c (__nexttoward): Likewise. * sysdeps/i386/fpu/s_nextafterl.c (__nextafterl): Use math_opt_barrier and math_force_eval macros. * sysdeps/ieee754/ldbl-128/s_nextafterl.c (__nextafterl): Likewise. * sysdeps/ieee754/ldbl-96/s_nextafterl.c (__nextafterl): Likewise. * sysdeps/i386/fpu/s_nexttoward.c: Include float.h. (__nexttoward): Use math_opt_barrier and math_force_eval macros. Use "+m" constraint on asm rather than "=m" and "m". Only use asm to force double result if FLT_EVAL_METHOD is 2. * sysdeps/i386/fpu/s_nexttowardf.c: Include float.h. (__nexttowardf): Use math_opt_barrier and math_force_eval macros. Use "+m" constraint on asm rather than "=m" and "m". Only use asm to force double result if FLT_EVAL_METHOD is not 0. * sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c: Include float.h. (__nexttowardf): Use math_opt_barrier and math_force_eval macros. If FLT_EVAL_METHOD is not 0, force x to float using asm. * sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c: Include float.h. (__nldbl_nexttowardf): Use math_opt_barrier and math_force_eval macros. If FLT_EVAL_METHOD is not 0, force x to float using asm. * sysdeps/ieee754/ldbl-96/s_nexttowardf.c: Include float.h. (__nexttowardf): Use math_opt_barrier and math_force_eval macros. If FLT_EVAL_METHOD is not 0, force x to float using asm. * math/bug-nextafter.c (zero, inf): New variables. (main): Add new tests. * math/bug-nexttoward.c (zero, inf): New variables. (main): Add new tests.
-rw-r--r--ChangeLog45
-rw-r--r--math/bug-nextafter.c255
-rw-r--r--math/bug-nexttoward.c255
-rw-r--r--math/math_private.h6
-rw-r--r--math/s_nextafter.c20
-rw-r--r--math/s_nexttowardf.c21
-rw-r--r--sysdeps/i386/fpu/math_private.h18
-rw-r--r--sysdeps/i386/fpu/s_nexttoward.c25
-rw-r--r--sysdeps/i386/fpu/s_nexttowardf.c25
-rw-r--r--sysdeps/ieee754/flt-32/s_nextafterf.c20
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nexttoward.c23
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c23
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c26
-rw-r--r--sysdeps/ieee754/ldbl-96/s_nexttoward.c23
-rw-r--r--sysdeps/ieee754/ldbl-96/s_nexttowardf.c28
-rw-r--r--sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c28
-rw-r--r--sysdeps/x86_64/fpu/math_private.h21
17 files changed, 740 insertions, 122 deletions
diff --git a/ChangeLog b/ChangeLog
index 8463b90..f38e61d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,48 @@
+2007-03-27 Jakub Jelinek <jakub@redhat.com>
+
+ [BZ #3306]
+ * math/math_private.h (math_opt_barrier, math_force_eval): Define.
+ * sysdeps/i386/fpu/math_private.h: New file.
+ * sysdeps/x86_64/fpu/math_private.h: New file.
+ * math/s_nexttowardf.c (__nexttowardf): Use math_opt_barrier and
+ math_force_eval macros. Use "+m" constraint on asm rather than
+ "=m" and "m".
+ * math/s_nextafter.c (__nextafter): Likewise.
+ * sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c (__nexttoward):
+ Likewise.
+ * sysdeps/ieee754/flt-32/s_nextafterf.c (__nextafterf): Likewise.
+ * sysdeps/ieee754/ldbl-128/s_nexttoward.c (__nexttoward): Likewise.
+ * sysdeps/ieee754/ldbl-96/s_nexttoward.c (__nexttoward): Likewise.
+ * sysdeps/i386/fpu/s_nextafterl.c (__nextafterl): Use
+ math_opt_barrier and math_force_eval macros.
+ * sysdeps/ieee754/ldbl-128/s_nextafterl.c (__nextafterl): Likewise.
+ * sysdeps/ieee754/ldbl-96/s_nextafterl.c (__nextafterl): Likewise.
+ * sysdeps/i386/fpu/s_nexttoward.c: Include float.h.
+ (__nexttoward): Use math_opt_barrier and
+ math_force_eval macros. Use "+m" constraint on asm rather than
+ "=m" and "m". Only use asm to force double result if
+ FLT_EVAL_METHOD is 2.
+ * sysdeps/i386/fpu/s_nexttowardf.c: Include float.h.
+ (__nexttowardf): Use math_opt_barrier and
+ math_force_eval macros. Use "+m" constraint on asm rather than
+ "=m" and "m". Only use asm to force double result if
+ FLT_EVAL_METHOD is not 0.
+ * sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c: Include float.h.
+ (__nexttowardf): Use math_opt_barrier and
+ math_force_eval macros. If FLT_EVAL_METHOD is not 0, force
+ x to float using asm.
+ * sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c: Include float.h.
+ (__nldbl_nexttowardf): Use math_opt_barrier and
+ math_force_eval macros. If FLT_EVAL_METHOD is not 0, force
+ x to float using asm.
+ * sysdeps/ieee754/ldbl-96/s_nexttowardf.c: Include float.h.
+ (__nexttowardf): Use math_opt_barrier and math_force_eval
+ macros. If FLT_EVAL_METHOD is not 0, force x to float using asm.
+ * math/bug-nextafter.c (zero, inf): New variables.
+ (main): Add new tests.
+ * math/bug-nexttoward.c (zero, inf): New variables.
+ (main): Add new tests.
+
2007-03-22 Jakub Jelinek <jakub@redhat.com>
[BZ #3427]
diff --git a/math/bug-nextafter.c b/math/bug-nextafter.c
index 2a967c7..1d21841 100644
--- a/math/bug-nextafter.c
+++ b/math/bug-nextafter.c
@@ -4,6 +4,9 @@
#include <stdlib.h>
#include <stdio.h>
+float zero = 0.0;
+float inf = INFINITY;
+
int
main (void)
{
@@ -34,6 +37,81 @@ main (void)
++result;
}
+ i = 0;
+ m = FLT_MIN;
+ feclearexcept (FE_ALL_EXCEPT);
+ i = nextafterf (m, i);
+ if (i < 0 || i >= FLT_MIN)
+ {
+ puts ("nextafterf+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterf+ did not underflow");
+ ++result;
+ }
+ i = 0;
+ feclearexcept (FE_ALL_EXCEPT);
+ i = nextafterf (-m, -i);
+ if (i > 0 || i <= -FLT_MIN)
+ {
+ puts ("nextafterf- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterf- did not underflow");
+ ++result;
+ }
+ i = -INFINITY;
+ feclearexcept (FE_ALL_EXCEPT);
+ m = nextafterf (zero, inf);
+ if (m < 0.0 || m >= FLT_MIN)
+ {
+ puts ("nextafterf+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterf+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafterf (m, i) != 0.0)
+ {
+ puts ("nextafterf+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterf+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ m = nextafterf (copysignf (zero, -1.0), -inf);
+ if (m > 0.0 || m <= -FLT_MIN)
+ {
+ puts ("nextafterf- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterf- did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafterf (m, -i) != 0.0)
+ {
+ puts ("nextafterf- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterf- did not underflow");
+ ++result;
+ }
+
double di = INFINITY;
double dm = DBL_MAX;
feclearexcept (FE_ALL_EXCEPT);
@@ -59,5 +137,182 @@ main (void)
++result;
}
+ di = 0;
+ dm = DBL_MIN;
+ feclearexcept (FE_ALL_EXCEPT);
+ di = nextafter (dm, di);
+ if (di < 0 || di >= DBL_MIN)
+ {
+ puts ("nextafter+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafter+ did not underflow");
+ ++result;
+ }
+ di = 0;
+ feclearexcept (FE_ALL_EXCEPT);
+ di = nextafter (-dm, -di);
+ if (di > 0 || di <= -DBL_MIN)
+ {
+ puts ("nextafter- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafter- did not underflow");
+ ++result;
+ }
+ di = -INFINITY;
+ feclearexcept (FE_ALL_EXCEPT);
+ dm = nextafter (zero, inf);
+ if (dm < 0.0 || dm >= DBL_MIN)
+ {
+ puts ("nextafter+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafter+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafter (dm, di) != 0.0)
+ {
+ puts ("nextafter+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafter+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ dm = nextafter (copysign (zero, -1.0), -inf);
+ if (dm > 0.0 || dm <= -DBL_MIN)
+ {
+ puts ("nextafter- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafter- did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafter (dm, -di) != 0.0)
+ {
+ puts ("nextafter- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafter- did not underflow");
+ ++result;
+ }
+
+#ifndef NO_LONG_DOUBLE
+ long double li = INFINITY;
+ long double lm = LDBL_MAX;
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafterl (lm, li) != li)
+ {
+ puts ("nextafterl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_OVERFLOW) == 0)
+ {
+ puts ("nextafterl+ did not overflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafterl (-lm, -li) != -li)
+ {
+ puts ("nextafterl failed");
+ ++result;
+ }
+ if (fetestexcept (FE_OVERFLOW) == 0)
+ {
+ puts ("nextafterl- did not overflow");
+ ++result;
+ }
+
+ li = 0;
+ lm = LDBL_MIN;
+ feclearexcept (FE_ALL_EXCEPT);
+ li = nextafterl (lm, li);
+ if (li < 0 || li >= LDBL_MIN)
+ {
+ puts ("nextafterl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterl+ did not underflow");
+ ++result;
+ }
+ li = 0;
+ feclearexcept (FE_ALL_EXCEPT);
+ li = nextafterl (-lm, -li);
+ if (li > 0 || li <= -LDBL_MIN)
+ {
+ puts ("nextafterl- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterl- did not underflow");
+ ++result;
+ }
+ li = -INFINITY;
+ feclearexcept (FE_ALL_EXCEPT);
+ lm = nextafterl (zero, inf);
+ if (lm < 0.0 || lm >= LDBL_MIN)
+ {
+ puts ("nextafterl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterl+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafterl (lm, li) != 0.0)
+ {
+ puts ("nextafterl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterl+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ lm = nextafterl (copysign (zero, -1.0), -inf);
+ if (lm > 0.0 || lm <= -LDBL_MIN)
+ {
+ puts ("nextafterl- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterl- did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nextafterl (lm, -li) != 0.0)
+ {
+ puts ("nextafterl- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nextafterl- did not underflow");
+ ++result;
+ }
+#endif
+
return result;
}
diff --git a/math/bug-nexttoward.c b/math/bug-nexttoward.c
index e306a12..ff57e5e 100644
--- a/math/bug-nexttoward.c
+++ b/math/bug-nexttoward.c
@@ -4,6 +4,9 @@
#include <stdlib.h>
#include <stdio.h>
+float zero = 0.0;
+float inf = INFINITY;
+
int
main (void)
{
@@ -35,6 +38,81 @@ main (void)
++result;
}
+ fi = 0;
+ m = FLT_MIN;
+ feclearexcept (FE_ALL_EXCEPT);
+ fi = nexttowardf (m, fi);
+ if (fi < 0 || fi >= FLT_MIN)
+ {
+ puts ("nexttowardf+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardf+ did not underflow");
+ ++result;
+ }
+ fi = 0;
+ feclearexcept (FE_ALL_EXCEPT);
+ fi = nexttowardf (-m, -fi);
+ if (fi > 0 || fi <= -FLT_MIN)
+ {
+ puts ("nexttowardf- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardf- did not underflow");
+ ++result;
+ }
+ fi = -INFINITY;
+ feclearexcept (FE_ALL_EXCEPT);
+ m = nexttowardf (zero, inf);
+ if (m < 0.0 || m >= FLT_MIN)
+ {
+ puts ("nexttowardf+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardf+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttowardf (m, fi) != 0.0)
+ {
+ puts ("nexttowardf+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardf+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ m = nexttowardf (copysignf (zero, -1.0), -inf);
+ if (m > 0.0 || m <= -FLT_MIN)
+ {
+ puts ("nexttowardf- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardf- did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttowardf (m, -fi) != 0.0)
+ {
+ puts ("nexttowardf- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardf- did not underflow");
+ ++result;
+ }
+
tl = (long double) DBL_MAX + 1.0e305L;
double di = INFINITY;
double dm = DBL_MAX;
@@ -61,5 +139,182 @@ main (void)
++result;
}
+ di = 0;
+ dm = DBL_MIN;
+ feclearexcept (FE_ALL_EXCEPT);
+ di = nexttoward (dm, di);
+ if (di < 0 || di >= DBL_MIN)
+ {
+ puts ("nexttoward+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttoward+ did not underflow");
+ ++result;
+ }
+ di = 0;
+ feclearexcept (FE_ALL_EXCEPT);
+ di = nexttoward (-dm, -di);
+ if (di > 0 || di <= -DBL_MIN)
+ {
+ puts ("nexttoward- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttoward- did not underflow");
+ ++result;
+ }
+ di = -INFINITY;
+ feclearexcept (FE_ALL_EXCEPT);
+ dm = nexttoward (zero, inf);
+ if (dm < 0.0 || dm >= DBL_MIN)
+ {
+ puts ("nexttoward+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttoward+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttoward (dm, di) != 0.0)
+ {
+ puts ("nexttoward+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttoward+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ dm = nexttoward (copysign (zero, -1.0), -inf);
+ if (dm > 0.0 || dm <= -DBL_MIN)
+ {
+ puts ("nexttoward- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttoward- did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttoward (dm, -di) != 0.0)
+ {
+ puts ("nexttoward- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttoward- did not underflow");
+ ++result;
+ }
+
+#ifndef NO_LONG_DOUBLE
+ long double li = INFINITY;
+ long double lm = LDBL_MAX;
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttowardl (lm, li) != li)
+ {
+ puts ("nexttowardl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_OVERFLOW) == 0)
+ {
+ puts ("nexttowardl+ did not overflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttowardl (-lm, -li) != -li)
+ {
+ puts ("nexttowardl failed");
+ ++result;
+ }
+ if (fetestexcept (FE_OVERFLOW) == 0)
+ {
+ puts ("nexttowardl- did not overflow");
+ ++result;
+ }
+
+ li = 0;
+ lm = LDBL_MIN;
+ feclearexcept (FE_ALL_EXCEPT);
+ li = nexttowardl (lm, li);
+ if (li < 0 || li >= LDBL_MIN)
+ {
+ puts ("nexttowardl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardl+ did not underflow");
+ ++result;
+ }
+ li = 0;
+ feclearexcept (FE_ALL_EXCEPT);
+ li = nexttowardl (-lm, -li);
+ if (li > 0 || li <= -LDBL_MIN)
+ {
+ puts ("nexttowardl- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardl- did not underflow");
+ ++result;
+ }
+ li = -INFINITY;
+ feclearexcept (FE_ALL_EXCEPT);
+ lm = nexttowardl (zero, inf);
+ if (lm < 0.0 || lm >= LDBL_MIN)
+ {
+ puts ("nexttowardl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardl+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttowardl (lm, li) != 0.0)
+ {
+ puts ("nexttowardl+ failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardl+ did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ lm = nexttowardl (copysign (zero, -1.0), -inf);
+ if (lm > 0.0 || lm <= -LDBL_MIN)
+ {
+ puts ("nexttowardl- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardl- did not underflow");
+ ++result;
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+ if (nexttowardl (lm, -li) != 0.0)
+ {
+ puts ("nexttowardl- failed");
+ ++result;
+ }
+ if (fetestexcept (FE_UNDERFLOW) == 0)
+ {
+ puts ("nexttowardl- did not underflow");
+ ++result;
+ }
+#endif
+
return result;
}
diff --git a/math/math_private.h b/math/math_private.h
index 572e546..129646f 100644
--- a/math/math_private.h
+++ b/math/math_private.h
@@ -332,4 +332,10 @@ extern double __slowexp (double __x);
extern double __slowpow (double __x, double __y, double __z);
extern void __docos (double __x, double __dx, double __v[]);
+#ifndef math_opt_barrier
+#define math_opt_barrier(x) \
+({ __typeof (x) __x = x; __asm ("" : "+m" (__x)); __x; })
+#define math_force_eval(x) __asm __volatile ("" : : "m" (x))
+#endif
+
#endif /* _MATH_PRIVATE_H_ */
diff --git a/math/s_nextafter.c b/math/s_nextafter.c
index 9c678b7..d2af52d 100644
--- a/math/s_nextafter.c
+++ b/math/s_nextafter.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp
#define nexttoward __internal_nexttoward
#include <math.h>
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -49,9 +49,12 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp
return x+y;
if(x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
+ double u;
INSERT_WORDS(x,hy&0x80000000,1); /* return +-minsubnormal */
- y = x*x;
- if(y==x) return y; 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(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */
@@ -74,15 +77,12 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- asm ("" : "=m"(x) : "m"(x));
+ asm ("" : "+m"(x));
return x; /* overflow */
}
- if(hy<0x00100000) { /* underflow */
- y = x*x;
- if(y!=x) { /* raise underflow flag */
- INSERT_WORDS(y,hx,lx);
- return y;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/math/s_nexttowardf.c b/math/s_nexttowardf.c
index 1a10266..0494d1a 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;
diff --git a/sysdeps/i386/fpu/math_private.h b/sysdeps/i386/fpu/math_private.h
new file mode 100644
index 0000000..a426788
--- /dev/null
+++ b/sysdeps/i386/fpu/math_private.h
@@ -0,0 +1,18 @@
+#ifndef _MATH_PRIVATE_H
+
+#define math_opt_barrier(x) \
+({ __typeof(x) __x; \
+ __asm ("" : "=t" (__x) : "0" (x)); \
+ __x; })
+#define math_force_eval(x) \
+do \
+ { \
+ if (sizeof (x) <= sizeof (double)) \
+ __asm __volatile ("" : : "m" (x)); \
+ else \
+ __asm __volatile ("" : : "f" (x)); \
+ } \
+while (0)
+
+#include <math/math_private.h>
+#endif
diff --git a/sysdeps/i386/fpu/s_nexttoward.c b/sysdeps/i386/fpu/s_nexttoward.c
index 2bd768e..9bd86a3 100644
--- a/sysdeps/i386/fpu/s_nexttoward.c
+++ b/sysdeps/i386/fpu/s_nexttoward.c
@@ -27,7 +27,8 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
+#include <float.h>
#ifdef __STDC__
double __nexttoward(double x, long double y)
@@ -52,10 +53,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(esy&0x8000)<<16,1); /* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (esy>=0x8000||((ix>>20)&0x7ff)>iy-0x3c00
@@ -85,16 +88,14 @@ static char rcsid[] = "$NetBSD: $";
hy = hx&0x7ff00000;
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
- /* Force conversion to double. */
- asm ("" : "=m"(x) : "m"(x));
+ if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/i386/fpu/s_nexttowardf.c b/sysdeps/i386/fpu/s_nexttowardf.c
index 3fbe53c..25f70e4 100644
--- a/sysdeps/i386/fpu/s_nexttowardf.c
+++ b/sysdeps/i386/fpu/s_nexttowardf.c
@@ -19,7 +19,8 @@ static char rcsid[] = "$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: $";
hy = hx&0x7f800000;
if(hy>=0x7f800000) {
x = x+x; /* overflow */
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/ieee754/flt-32/s_nextafterf.c b/sysdeps/ieee754/flt-32/s_nextafterf.c
index e1568e2..600c146 100644
--- a/sysdeps/ieee754/flt-32/s_nextafterf.c
+++ b/sysdeps/ieee754/flt-32/s_nextafterf.c
@@ -18,7 +18,7 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp
#endif
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -40,9 +40,12 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp
return x+y;
if(x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
+ float u;
SET_FLOAT_WORD(x,(hy&0x80000000)|1);/* return +-minsubnormal */
- y = x*x;
- if(y==x) return y; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u*u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(hx>hy) { /* x > y, x -= ulp */
@@ -61,15 +64,12 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp
if(hy>=0x7f800000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0)
- asm ("" : "=m"(x) : "m"(x));
+ asm ("" : "+m"(x));
return x; /* overflow */
}
- if(hy<0x00800000) { /* underflow */
- y = x*x;
- if(y!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(y,hx);
- return y;
- }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/ieee754/ldbl-128/s_nexttoward.c b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
index 553e401..178505c 100644
--- a/sysdeps/ieee754/ldbl-128/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -53,10 +53,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(u_int32_t)((hy>>32)&0x80000000),1);/* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (hy<0||(ix>>20)>(iy>>48)-0x3c00
@@ -87,16 +89,13 @@ static char rcsid[] = "$NetBSD: $";
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
index 3335100..e2f6521 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <math_ldbl_opt.h>
#include <float.h>
@@ -55,10 +55,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(u_int32_t)((hy>>32)&0x80000000),1);/* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (hy<0||(ix>>20)>(iy>>52)
@@ -89,16 +91,13 @@ static char rcsid[] = "$NetBSD: $";
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
index a9373ff..cf655fa 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
@@ -19,8 +19,9 @@ static char rcsid[] = "$NetBSD: $";
#endif
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <math_ldbl_opt.h>
+#include <float.h>
#ifdef __STDC__
float __nexttowardf(float x, long double y)
@@ -46,10 +47,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
- float x2;
+ float u;
SET_FLOAT_WORD(x,(u_int32_t)((hy>>32)&0x80000000)|1);/* return +-minsub*/
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(hy<0||(ix>>23)>(iy>>52)-0x380
@@ -69,13 +72,16 @@ static char rcsid[] = "$NetBSD: $";
}
}
hy = hx&0x7f800000;
- if(hy>=0x7f800000) return x+x; /* overflow */
+ if(hy>=0x7f800000) {
+ x = x+x; /* overflow */
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
+ return x;
+ }
if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ float u = x*x;
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttoward.c b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
index 7945cb5..e304384 100644
--- a/sysdeps/ieee754/ldbl-96/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -50,10 +50,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(esy&0x8000)<<16,1); /* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (esy>=0x8000||((ix>>20)&0x7ff)>iy-0x3c00
@@ -84,16 +86,13 @@ static char rcsid[] = "$NetBSD: $";
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttowardf.c b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
index a1c38b5..6357975 100644
--- a/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
+++ b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
@@ -18,7 +18,8 @@ static char rcsid[] = "$NetBSD: $";
#endif
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
+#include <float.h>
#ifdef __STDC__
float __nexttowardf(float x, long double y)
@@ -41,10 +42,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
- float x2;
+ float u;
SET_FLOAT_WORD(x,((esy&0x8000)<<16)|1);/* return +-minsub*/
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(esy>=0x8000||((ix>>23)&0xff)>iy-0x3f80
@@ -64,13 +67,16 @@ static char rcsid[] = "$NetBSD: $";
}
}
hy = hx&0x7f800000;
- if(hy>=0x7f800000) return x+x; /* overflow */
- if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ if(hy>=0x7f800000) {
+ x = x+x; /* overflow */
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
+ return x;
+ }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c b/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
index d52526f..68027f2 100644
--- a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
+++ b/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
@@ -20,7 +20,10 @@
* Special cases:
*/
+#include <math.h>
+#include <math_private.h>
#include <math_ldbl_opt.h>
+#include <float.h>
float __nldbl_nexttowardf(float x, double y);
@@ -39,10 +42,12 @@ float __nldbl_nexttowardf(float x, double y)
return x+y;
if((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
@@ -60,13 +65,16 @@ float __nldbl_nexttowardf(float x, double y)
hx += 1;
}
hy = hx&0x7f800000;
- if(hy>=0x7f800000) return x+x; /* overflow */
- if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ if(hy>=0x7f800000) {
+ x = x+x; /* overflow */
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
+ return x;
+ }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h
new file mode 100644
index 0000000..4febcbb
--- /dev/null
+++ b/sysdeps/x86_64/fpu/math_private.h
@@ -0,0 +1,21 @@
+#ifndef _MATH_PRIVATE_H
+
+#define math_opt_barrier(x) \
+({ __typeof(x) __x; \
+ if (sizeof (x) <= sizeof (double)) \
+ __asm ("" : "=x" (__x) : "0" (x)); \
+ else \
+ __asm ("" : "=t" (__x) : "0" (x)); \
+ __x; })
+#define math_force_eval(x) \
+do \
+ { \
+ if (sizeof (x) <= sizeof (double)) \
+ __asm __volatile ("" : : "x" (x)); \
+ else \
+ __asm __volatile ("" : : "f" (x)); \
+ } \
+while (0)
+
+#include <math/math_private.h>
+#endif