diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_nearbyint.c | 4 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c | 8 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_nearbyintf.c | 4 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_nearbyintl.c | 4 |
5 files changed, 23 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog index 2e29752af7..60c9521e6b 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,16 @@ +2017-09-28 Joseph Myers <joseph@codesourcery.com> + + [BZ #22225] + * sysdeps/ieee754/dbl-64/s_nearbyint.c (__nearbyint): Use + math_opt_barrier on argument when doing arithmetic on it. + * sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c (__nearbyint): + Likewise. Use math_force_eval not math_opt_barrier after + arithmetic. + * sysdeps/ieee754/flt-32/s_nearbyintf.c (__nearbyintf): Use + math_opt_barrier on argument when doing arithmetic on it. + * sysdeps/ieee754/ldbl-128/s_nearbyintl.c (__nearbyintl): + Likewise. + 2017-09-27 H.J. Lu <hongjiu.lu@intel.com> * sysdeps/unix/sysv/linux/ifaddrs.c (__getifaddrs): Add diff --git a/sysdeps/ieee754/dbl-64/s_nearbyint.c b/sysdeps/ieee754/dbl-64/s_nearbyint.c index dec0c5d6ee..6e3f8316b1 100644 --- a/sysdeps/ieee754/dbl-64/s_nearbyint.c +++ b/sysdeps/ieee754/dbl-64/s_nearbyint.c @@ -48,7 +48,7 @@ __nearbyint (double x) if (j0 < 0) { libc_feholdexcept (&env); - w = TWO52[sx] + x; + w = TWO52[sx] + math_opt_barrier (x); t = w - TWO52[sx]; math_force_eval (t); libc_fesetenv (&env); @@ -65,7 +65,7 @@ __nearbyint (double x) return x; /* x is integral */ } libc_feholdexcept (&env); - w = TWO52[sx] + x; + w = TWO52[sx] + math_opt_barrier (x); t = w - TWO52[sx]; math_force_eval (t); libc_fesetenv (&env); diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c index 8293819981..7d135b54e4 100644 --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c @@ -42,9 +42,9 @@ __nearbyint(double x) if(__builtin_expect(j0<52, 1)) { if(j0<0) { libc_feholdexcept (&env); - double w = TWO52[sx]+x; + double w = TWO52[sx] + math_opt_barrier (x); double t = w-TWO52[sx]; - math_opt_barrier(t); + math_force_eval (t); libc_fesetenv (&env); return __copysign (t, x); } @@ -53,9 +53,9 @@ __nearbyint(double x) else return x; /* x is integral */ } libc_feholdexcept (&env); - double w = TWO52[sx]+x; + double w = TWO52[sx] + math_opt_barrier (x); double t = w-TWO52[sx]; - math_opt_barrier (t); + math_force_eval (t); libc_fesetenv (&env); return t; } diff --git a/sysdeps/ieee754/flt-32/s_nearbyintf.c b/sysdeps/ieee754/flt-32/s_nearbyintf.c index afacdef67c..a8af8948ec 100644 --- a/sysdeps/ieee754/flt-32/s_nearbyintf.c +++ b/sysdeps/ieee754/flt-32/s_nearbyintf.c @@ -38,7 +38,7 @@ __nearbyintf(float x) if(j0<23) { if(j0<0) { libc_feholdexceptf (&env); - w = TWO23[sx]+x; + w = TWO23[sx] + math_opt_barrier (x); t = w-TWO23[sx]; math_force_eval (t); libc_fesetenvf (&env); @@ -51,7 +51,7 @@ __nearbyintf(float x) else return x; /* x is integral */ } libc_feholdexceptf (&env); - w = TWO23[sx]+x; + w = TWO23[sx] + math_opt_barrier (x); t = w-TWO23[sx]; math_force_eval (t); libc_fesetenvf (&env); diff --git a/sysdeps/ieee754/ldbl-128/s_nearbyintl.c b/sysdeps/ieee754/ldbl-128/s_nearbyintl.c index 631b0e0c71..c1ee68be63 100644 --- a/sysdeps/ieee754/ldbl-128/s_nearbyintl.c +++ b/sysdeps/ieee754/ldbl-128/s_nearbyintl.c @@ -45,7 +45,7 @@ _Float128 __nearbyintl(_Float128 x) if(j0<112) { if(j0<0) { feholdexcept (&env); - w = TWO112[sx]+x; + w = TWO112[sx] + math_opt_barrier (x); t = w-TWO112[sx]; math_force_eval (t); fesetenv (&env); @@ -58,7 +58,7 @@ _Float128 __nearbyintl(_Float128 x) else return x; /* x is integral */ } feholdexcept (&env); - w = TWO112[sx]+x; + w = TWO112[sx] + math_opt_barrier (x); t = w-TWO112[sx]; math_force_eval (t); fesetenv (&env); |