| Message ID | CAFULd4awQyCMDOGSyQL0rtqx9uqPhd2MUCOT+ECi9AjoKbAqiw@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
On Tue, 23 Aug 2011, Uros Bizjak wrote: > Hello! > > 2011-08-23 Uros Bizjak <ubizjak@gmail.com> > > * config/i386/64/sfp-machine.h (ASM_INVALID): New define. > (ASM_DIVZERO): Ditto. > (FP_HANLDE_EXCEPTIONS): Use ASM_INVALID and ASM_DIVZERO. > > Tested on x86_64-pc-linux-gnu {,-m32}. Committed to mainline SVN, will > be backported to release branches. The 4.5 and 4.4 commits (r178009 and r178010) appear to include spurious changes to libgcc/config.host.
On Wed, Aug 24, 2011 at 12:54 PM, Joseph S. Myers <joseph@codesourcery.com> wrote: > On Tue, 23 Aug 2011, Uros Bizjak wrote: >> 2011-08-23 Uros Bizjak <ubizjak@gmail.com> >> >> * config/i386/64/sfp-machine.h (ASM_INVALID): New define. >> (ASM_DIVZERO): Ditto. >> (FP_HANLDE_EXCEPTIONS): Use ASM_INVALID and ASM_DIVZERO. >> >> Tested on x86_64-pc-linux-gnu {,-m32}. Committed to mainline SVN, will >> be backported to release branches. > > The 4.5 and 4.4 commits (r178009 and r178010) appear to include spurious > changes to libgcc/config.host. Thanks for noticing! Unwanted changes have been removed from both branches. Uros.
Index: config/i386/64/sfp-machine.h =================================================================== --- config/i386/64/sfp-machine.h (revision 177972) +++ config/i386/64/sfp-machine.h (working copy) @@ -73,17 +73,25 @@ unsigned short int __unused5; }; +#ifdef __AVX__ + #define ASM_INVALID "vdivss %0, %0, %0" + #define ASM_DIVZERO "vdivss %1, %0, %0" +#else + #define ASM_INVALID "divss %0, %0" + #define ASM_DIVZERO "divss %1, %0" +#endif + #define FP_HANDLE_EXCEPTIONS \ do { \ if (_fex & FP_EX_INVALID) \ { \ float f = 0.0; \ - __asm__ __volatile__ ("divss %0, %0 " : : "x" (f)); \ + __asm__ __volatile__ (ASM_INVALID : : "x" (f)); \ } \ if (_fex & FP_EX_DIVZERO) \ { \ float f = 1.0, g = 0.0; \ - __asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g)); \ + __asm__ __volatile__ (ASM_DIVZERO : : "x" (f), "x" (g)); \ } \ if (_fex & FP_EX_OVERFLOW) \ { \
Hello! 2011-08-23 Uros Bizjak <ubizjak@gmail.com> * config/i386/64/sfp-machine.h (ASM_INVALID): New define. (ASM_DIVZERO): Ditto. (FP_HANLDE_EXCEPTIONS): Use ASM_INVALID and ASM_DIVZERO. Tested on x86_64-pc-linux-gnu {,-m32}. Committed to mainline SVN, will be backported to release branches. Uros.