| Message ID | 20130604131115.GB6878@bubble.grove.modra.org |
|---|---|
| State | New |
| Headers | show |
On Tue, Jun 4, 2013 at 9:11 AM, Alan Modra <amodra@gmail.com> wrote: > This enables long double support for little-endian. It assumes we keep > the same ordering as big-endian, ie. the first double is the larger > magnitude or inf/nan. Bootstrapped powerpc64-linux. OK to apply? > > * config/rs6000/ibm-ldouble.c: Enable for little-endian. > > Index: libgcc/config/rs6000/ibm-ldouble.c > =================================================================== > --- libgcc/config/rs6000/ibm-ldouble.c (revision 199174) > +++ libgcc/config/rs6000/ibm-ldouble.c (working copy) > @@ -42,10 +42,10 @@ > represented as (1.0, +0.0) or (1.0, -0.0), and the low part of a > NaN is don't-care. > > - This code currently assumes big-endian. */ > + This code currently assumes the most significant double is in > + the lower numbered register or lower addressed memory. */ > > -#if (!defined (__LITTLE_ENDIAN__) \ > - && (defined (__MACH__) || defined (__powerpc__) || defined (_AIX))) > +#if defined (__MACH__) || defined (__powerpc__) || defined (_AIX) > > #define fabs(x) __builtin_fabs(x) > #define isless(x, y) __builtin_isless (x, y) This is okay as an interim solution. Thanks, David
Index: libgcc/config/rs6000/ibm-ldouble.c =================================================================== --- libgcc/config/rs6000/ibm-ldouble.c (revision 199174) +++ libgcc/config/rs6000/ibm-ldouble.c (working copy) @@ -42,10 +42,10 @@ represented as (1.0, +0.0) or (1.0, -0.0), and the low part of a NaN is don't-care. - This code currently assumes big-endian. */ + This code currently assumes the most significant double is in + the lower numbered register or lower addressed memory. */ -#if (!defined (__LITTLE_ENDIAN__) \ - && (defined (__MACH__) || defined (__powerpc__) || defined (_AIX))) +#if defined (__MACH__) || defined (__powerpc__) || defined (_AIX) #define fabs(x) __builtin_fabs(x) #define isless(x, y) __builtin_isless (x, y)