PPC32: use the proper instruction mnemonics for altivec instructions.

Previously we used macros that constructed .longs since we couldn't
rely on having a recent enough binutils.  Now we check the binutils
version.

arch/ppc/kernel/head.S

@@ -892,9 +892,9 @@ load_up_altivec:
 	add	r4,r4,r6
 	addi	r4,r4,THREAD	/* want THREAD of last_task_used_altivec */
 	SAVE_32VR(0,r10,r4)
-	MFVSCR(vr0)
+	mfvscr	vr0
 	li	r10,THREAD_VSCR
-	STVX(vr0,r10,r4)
+	stvx	vr0,r10,r4
 	lwz	r5,PT_REGS(r4)
 	add	r5,r5,r6
 	lwz	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
@@ -907,8 +907,8 @@ load_up_altivec:
 	oris	r9,r9,MSR_VEC@h
 	mfspr	r5,SPRG3		/* current task's THREAD (phys) */
 	li	r10,THREAD_VSCR
-	LVX(vr0,r10,r5)
-	MTVSCR(vr0)
+	lvx	vr0,r10,r5
+	mtvscr	vr0
 	REST_32VR(0,r10,r5)
 #ifndef CONFIG_SMP
 	subi	r4,r5,THREAD
@@ -956,9 +956,9 @@ giveup_altivec:
 	lwz	r5,PT_REGS(r3)
 	cmpi	0,r5,0
 	SAVE_32VR(0, r4, r3)
-	MFVSCR(vr0)
+	mfvscr	vr0
 	li	r4,THREAD_VSCR
-	STVX(vr0, r4, r3)
+	stvx	vr0,r4,r3
 	beq	1f
 	lwz	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
 	lis	r3,MSR_VEC@h

include/asm-ppc/ppc_asm.h

@@ -49,21 +49,13 @@
 #define REST_16FPRS(n, base)	REST_8FPRS(n, base); REST_8FPRS(n+8, base)
 #define REST_32FPRS(n, base)	REST_16FPRS(n, base); REST_16FPRS(n+16, base)
 
-/*
- * Once a version of gas that understands the AltiVec instructions
- */
-#define LVX(r,a,b)	.long	(31<<26)+((r)<<21)+((a)<<16)+((b)<<11)+(103<<1)
-#define STVX(r,a,b)	.long	(31<<26)+((r)<<21)+((a)<<16)+((b)<<11)+(231<<1)
-#define MFVSCR(r)	.long	(4<<26)+((r)<<21)+(770<<1)
-#define MTVSCR(r)	.long	(4<<26)+((r)<<11)+(802<<1)
-
-#define SAVE_VR(n,b,base)	li b,THREAD_VR0+(16*(n)); STVX(n,b,base)
+#define SAVE_VR(n,b,base)	li b,THREAD_VR0+(16*(n));  stvx n,b,base
 #define SAVE_2VR(n,b,base)	SAVE_VR(n,b,base); SAVE_VR(n+1,b,base) 
 #define SAVE_4VR(n,b,base)	SAVE_2VR(n,b,base); SAVE_2VR(n+2,b,base) 
 #define SAVE_8VR(n,b,base)	SAVE_4VR(n,b,base); SAVE_4VR(n+4,b,base) 
 #define SAVE_16VR(n,b,base)	SAVE_8VR(n,b,base); SAVE_8VR(n+8,b,base)
 #define SAVE_32VR(n,b,base)	SAVE_16VR(n,b,base); SAVE_16VR(n+16,b,base)
-#define REST_VR(n,b,base)	li b,THREAD_VR0+(16*(n)); LVX(n,b,base)
+#define REST_VR(n,b,base)	li b,THREAD_VR0+(16*(n)); lvx n,b,base
 #define REST_2VR(n,b,base)	REST_VR(n,b,base); REST_VR(n+1,b,base) 
 #define REST_4VR(n,b,base)	REST_2VR(n,b,base); REST_2VR(n+2,b,base) 
 #define REST_8VR(n,b,base)	REST_4VR(n,b,base); REST_4VR(n+4,b,base)