2011/10/24 Richard Henderson <r...@twiddle.net>: > On 10/24/2011 09:18 AM, Kai Tietz wrote: >> A possible patch for 4.6 gcc versions I attached to this mail. > > ... > >> +/* For 32-bit Windows we need valid frame-pointer for function using >> + setjmp. */ >> +#define SUBTARGET_SETJMP_NEED_FRAME_POINTER \ >> + (!TARGET_64BIT && cfun->calls_setjmp) >> + >> Index: i386.c >> =================================================================== >> --- i386.c (revision 180393) >> +++ i386.c (working copy) >> @@ -8741,6 +8741,12 @@ >> if (SUBTARGET_FRAME_POINTER_REQUIRED) >> return true; >> >> +#ifdef SUBTARGET_SETJMP_NEED_FRAME_POINTER >> + /* For older 32-bit runtimes setjmp requires valid frame-pointer. */ >> + if (SUBTARGET_SETJMP_NEED_FRAME_POINTER) >> + return true; >> +#endif > > Why not just use SUBTARGET_FRAME_POINTER_REQUIRED here? > > > r~
Sure, this is even more easy. SUBTARGET_FRAME_POINTER_REQUIRED is just defined on i386-architectures for linux OSes, so for Windows-targets we still can use it. Kai
