Message ID | 20201223115602.3472627-2-siddhesh@sourceware.org |
---|---|
State | New |
Headers | show |
Series | x86 pseudo-normal numbers | expand |
On 23/12/2020 08:55, Siddhesh Poyarekar wrote: > Also move sysdeps/i386/fpu/s_fpclassifyl.c to > sysdeps/x86/fpu/s_fpclassifyl.c and remove > sysdeps/x86_64/fpu/s_fpclassifyl.c LGTM, thanks. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> > --- > sysdeps/{i386 => x86}/fpu/s_fpclassifyl.c | 4 ++++ > sysdeps/x86_64/fpu/s_fpclassifyl.c | 2 -- > 2 files changed, 4 insertions(+), 2 deletions(-) > rename sysdeps/{i386 => x86}/fpu/s_fpclassifyl.c (87%) > delete mode 100644 sysdeps/x86_64/fpu/s_fpclassifyl.c > > diff --git a/sysdeps/i386/fpu/s_fpclassifyl.c b/sysdeps/x86/fpu/s_fpclassifyl.c > similarity index 87% > rename from sysdeps/i386/fpu/s_fpclassifyl.c > rename to sysdeps/x86/fpu/s_fpclassifyl.c > index 501312f51e..a48b7685c4 100644 > --- a/sysdeps/i386/fpu/s_fpclassifyl.c > +++ b/sysdeps/x86/fpu/s_fpclassifyl.c > @@ -34,6 +34,10 @@ __fpclassifyl (long double x) > retval = FP_ZERO; > else if (ex == 0 && (hx & 0x80000000) == 0) > retval = FP_SUBNORMAL; > + /* Pseudo-normals, i.e. pseudo-zero, pseudo-infinity and un-normals. They > + behave like NaNs, so categorize them as such. */ > + else if ((hx & 0x80000000) == 0) > + retval = FP_NAN; > else if (ex == 0x7fff) > retval = ((hx & 0x7fffffff) | lx) != 0 ? FP_NAN : FP_INFINITE; > > diff --git a/sysdeps/x86_64/fpu/s_fpclassifyl.c b/sysdeps/x86_64/fpu/s_fpclassifyl.c > deleted file mode 100644 > index 856854b0f5..0000000000 > --- a/sysdeps/x86_64/fpu/s_fpclassifyl.c > +++ /dev/null > @@ -1,2 +0,0 @@ > -#include <sysdeps/i386/fpu/s_fpclassifyl.c> > - >
diff --git a/sysdeps/i386/fpu/s_fpclassifyl.c b/sysdeps/x86/fpu/s_fpclassifyl.c similarity index 87% rename from sysdeps/i386/fpu/s_fpclassifyl.c rename to sysdeps/x86/fpu/s_fpclassifyl.c index 501312f51e..a48b7685c4 100644 --- a/sysdeps/i386/fpu/s_fpclassifyl.c +++ b/sysdeps/x86/fpu/s_fpclassifyl.c @@ -34,6 +34,10 @@ __fpclassifyl (long double x) retval = FP_ZERO; else if (ex == 0 && (hx & 0x80000000) == 0) retval = FP_SUBNORMAL; + /* Pseudo-normals, i.e. pseudo-zero, pseudo-infinity and un-normals. They + behave like NaNs, so categorize them as such. */ + else if ((hx & 0x80000000) == 0) + retval = FP_NAN; else if (ex == 0x7fff) retval = ((hx & 0x7fffffff) | lx) != 0 ? FP_NAN : FP_INFINITE; diff --git a/sysdeps/x86_64/fpu/s_fpclassifyl.c b/sysdeps/x86_64/fpu/s_fpclassifyl.c deleted file mode 100644 index 856854b0f5..0000000000 --- a/sysdeps/x86_64/fpu/s_fpclassifyl.c +++ /dev/null @@ -1,2 +0,0 @@ -#include <sysdeps/i386/fpu/s_fpclassifyl.c> -