Index: head/sys/powerpc/fpu/fpu_emu.h
===================================================================
--- head/sys/powerpc/fpu/fpu_emu.h
+++ head/sys/powerpc/fpu/fpu_emu.h
@@ -138,7 +138,7 @@
  * Emulator state.
  */
 struct fpemu {
-	struct	fpreg *fe_fpstate;	/* registers, etc */
+	struct	fpu *fe_fpstate;	/* registers, etc */
 	int	fe_fpscr;		/* fpscr copy (modified during op) */
 	int	fe_cx;			/* keep track of exceptions */
 	struct	fpn fe_f1;		/* operand 1 */
Index: head/sys/powerpc/fpu/fpu_emu.c
===================================================================
--- head/sys/powerpc/fpu/fpu_emu.c
+++ head/sys/powerpc/fpu/fpu_emu.c
@@ -183,7 +183,7 @@
  * (Typically: zero, SIGFPE, SIGILL, SIGSEGV)
  */
 int
-fpu_emulate(struct trapframe *frame, struct fpreg *fpf)
+fpu_emulate(struct trapframe *frame, struct fpu *fpf)
 {
 	static union instr insn;
 	static struct fpemu fe;
Index: head/sys/powerpc/fpu/fpu_extern.h
===================================================================
--- head/sys/powerpc/fpu/fpu_extern.h
+++ head/sys/powerpc/fpu/fpu_extern.h
@@ -31,14 +31,14 @@
  */
 
 struct proc;
-struct fpreg;
+struct fpu;
 struct trapframe;
 union instr;
 struct fpemu;
 struct fpn;
 
 /* fpu.c */
-int fpu_emulate(struct trapframe *, struct fpreg *);
+int fpu_emulate(struct trapframe *, struct fpu *);
 int fpu_execute(struct trapframe *, struct fpemu *, union instr *);
 
 /* fpu_explode.c */
Index: head/sys/powerpc/include/reg.h
===================================================================
--- head/sys/powerpc/include/reg.h
+++ head/sys/powerpc/include/reg.h
@@ -18,12 +18,8 @@
 	register_t pc;
 };
 
-/* Must match pcb.pcb_fpu */
 struct fpreg {
-	union {
-		double fpr;
-		uint64_t vsr[2];
-	} fpreg[32];
+	double fpreg[32];
 	double fpscr;
 };
 
Index: head/sys/powerpc/powerpc/exec_machdep.c
===================================================================
--- head/sys/powerpc/powerpc/exec_machdep.c
+++ head/sys/powerpc/powerpc/exec_machdep.c
@@ -608,13 +608,18 @@
 fill_fpregs(struct thread *td, struct fpreg *fpregs)
 {
 	struct pcb *pcb;
+	int i;
 
 	pcb = td->td_pcb;
 
 	if ((pcb->pcb_flags & PCB_FPREGS) == 0)
 		memset(fpregs, 0, sizeof(struct fpreg));
-	else
-		memcpy(fpregs, &pcb->pcb_fpu, sizeof(struct fpreg));
+	else {
+		memcpy(&fpregs->fpscr, &pcb->pcb_fpu.fpscr, sizeof(double));
+		for (i = 0; i < 32; i++)
+			memcpy(&fpregs->fpreg[i], &pcb->pcb_fpu.fpr[i].fpr,
+			    sizeof(double));
+	}
 
 	return (0);
 }
@@ -641,10 +646,15 @@
 set_fpregs(struct thread *td, struct fpreg *fpregs)
 {
 	struct pcb *pcb;
+	int i;
 
 	pcb = td->td_pcb;
 	pcb->pcb_flags |= PCB_FPREGS;
-	memcpy(&pcb->pcb_fpu, fpregs, sizeof(struct fpreg));
+	memcpy(&pcb->pcb_fpu.fpscr, &fpregs->fpscr, sizeof(double));
+	for (i = 0; i < 32; i++) {
+		memcpy(&pcb->pcb_fpu.fpr[i].fpr, &fpregs->fpreg[i],
+		    sizeof(double));
+	}
 
 	return (0);
 }
@@ -1060,7 +1070,7 @@
 		bzero(&pcb->pcb_fpu, sizeof(pcb->pcb_fpu));
 		pcb->pcb_flags |= PCB_FPREGS;
 	}
-	sig = fpu_emulate(frame, (struct fpreg *)&pcb->pcb_fpu);
+	sig = fpu_emulate(frame, &pcb->pcb_fpu);
 #endif
 
 	return (sig);