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Commit a19185c3 authored by Al Viro's avatar Al Viro Committed by Geert Uytterhoeven
Browse files

m68knommu: Equivalent of "m68k: handle new gcc's" 



... from back in 2004; again, it's ifdefed out by CONFIG_FPU.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Acked-by: default avatarGreg Ungerer <gerg@uclinux.org>
Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
parent e64f1b75

arch/m68knommu/kernel/signal.c

+14 −14
Original line number Diff line number Diff line
@@ -163,8 +163,8 @@ static inline int restore_fpu_state(struct sigcontext *sc) 
		goto out;



	    __asm__ volatile (".chip 68k/68881\n\t"

			      "fmovemx %0,%/fp0-%/fp1\n\t"

			      "fmoveml %1,%/fpcr/%/fpsr/%/fpiar\n\t"

			      "fmovemx %0,%%fp0-%%fp1\n\t"

			      "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t"

			      ".chip 68k"

			      : /* no outputs */

			      : "m" (*sc->sc_fpregs), "m" (*sc->sc_fpcntl));
@@ -214,8 +214,8 @@ static inline int rt_restore_fpu_state(struct ucontext *uc) 
		     sizeof(fpregs)))

			goto out;

		__asm__ volatile (".chip 68k/68881\n\t"

				  "fmovemx %0,%/fp0-%/fp7\n\t"

				  "fmoveml %1,%/fpcr/%/fpsr/%/fpiar\n\t"

				  "fmovemx %0,%%fp0-%%fp7\n\t"

				  "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t"

				  ".chip 68k"

				  : /* no outputs */

				  : "m" (*fpregs.f_fpregs),
@@ -408,12 +408,12 @@ static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) 
	if (sc->sc_fpstate[0]) {

		fpu_version = sc->sc_fpstate[0];

		__asm__ volatile (".chip 68k/68881\n\t"

				  "fmovemx %/fp0-%/fp1,%0\n\t"

				  "fmoveml %/fpcr/%/fpsr/%/fpiar,%1\n\t"

				  "fmovemx %%fp0-%%fp1,%0\n\t"

				  "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t"

				  ".chip 68k"

				  : /* no outputs */

				  : "m" (*sc->sc_fpregs),

				    "m" (*sc->sc_fpcntl)

				  : "=m" (*sc->sc_fpregs),

				    "=m" (*sc->sc_fpcntl)

				  : /* no inputs */

				  : "memory");

	}

}
@@ -445,12 +445,12 @@ static inline int rt_save_fpu_state(struct ucontext *uc, struct pt_regs *regs) 
		context_size = fpstate[1];

		fpu_version = fpstate[0];

		__asm__ volatile (".chip 68k/68881\n\t"

				  "fmovemx %/fp0-%/fp7,%0\n\t"

				  "fmoveml %/fpcr/%/fpsr/%/fpiar,%1\n\t"

				  "fmovemx %%fp0-%%fp7,%0\n\t"

				  "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t"

				  ".chip 68k"

				  : /* no outputs */

				  : "m" (*fpregs.f_fpregs),

				    "m" (*fpregs.f_fpcntl)

				  : "=m" (*fpregs.f_fpregs),

				    "=m" (*fpregs.f_fpcntl)

				  : /* no inputs */

				  : "memory");

		err |= copy_to_user(&uc->uc_mcontext.fpregs, &fpregs,

				    sizeof(fpregs));