Naive swap_float/double. Not sure sizeof(double) is 8 on m68k...

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22664 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/libroot/os/arch/m68k/byteorder.S

@@ -60,57 +60,16 @@ FUNCTION(__swap_int64):
  */
 
 /* float __swap_float(float value)
- *					  f1
  */
 FUNCTION(__swap_float):
-XXX:	TODO
+		jmp		__swap_int32
-		// push a stack frame
+		//rts
-		stwu	%r1, -32(%r1)
-		mflr	%r0
-		stw		%r0, 36(%r1)
 
-		// %f1 -> %r3
-		stfs	%f1, 20(%r1)
-		lwz		%r3, 20(%r1)
 
-		// let __swap_int32 convert %r3
-		bl		__swap_int32
-
-		// %r3 -> %f1
-		stw		%r3, 20(%r1)
-		lfs		%f1, 20(%r1)
-		
-		// pop the stack frame
-		lwz		%r0, 36(%r1)
-		mtlr	%r0
-		addi	%r1, %r1, 32
-		blr
 
 /* double __swap_double(double value)
- *						f1
  */
 FUNCTION(__swap_double):
-XXX:	TODO
+		jmp		__swap_int32
-		// push a stack frame
+		//rts
-		stwu	%r1, -32(%r1)
+		//XXX:check sizeof(double)
-		mflr	%r0
-		stw		%r0, 36(%r1)
-
-		// %f1 -> (%r3:%r4)
-		stfd	%f1, 20(%r1)
-		lwz		%r3, 20(%r1)
-		lwz		%r4, 24(%r1)
-
-		// let __swap_int64 convert %r3:%r4
-		bl		__swap_int64
-
-		// (%r3:%r4) -> %f1
-		stw		%r3, 20(%r1)
-		stw		%r4, 24(%r1)
-		lfd		%f1, 20(%r1)
-		
-		// pop the stack frame
-		lwz		%r0, 36(%r1)
-		mtlr	%r0
-		addi	%r1, %r1, 32
-		blr