darwin.S: Fix comments and identation.

2004-09-05  Andreas Tobler  <a.tobler@schweiz.ch>

	* src/powerpc/darwin.S: Fix comments and identation.
	* src/powerpc/darwin_closure.S: Likewise.

From-SVN: r87090

libffi/ChangeLog

+2004-09-05  Andreas Tobler  <a.tobler@schweiz.ch>
+
+	* src/powerpc/darwin.S: Fix comments and identation.
+	* src/powerpc/darwin_closure.S: Likewise.
+
 2004-09-02  Andreas Tobler  <a.tobler@schweiz.ch>
 
 	* src/powerpc/ffi_darwin.c: Add flag for longdouble return values.

libffi/src/powerpc/darwin.S

@@ -40,8 +40,8 @@
 	.align 2
 _ffi_call_DARWIN:
 LFB0:
-	mr      r12,r8		/* We only need r12 until the call,
-				   so it doesn't have to be saved...  */
+	mr   	r12,r8	/* We only need r12 until the call,
+			   so it doesn't have to be saved.  */
 LFB1:
 	/* Save the old stack pointer as AP.  */
 	mr	r8,r1
@@ -52,16 +52,16 @@ LCFI0:
 	/* Save registers we use.  */
 	mflr	r9
 
-	stw	r28,-16(r8)
+	stw	r28,-16(r8)	
 	stw	r29,-12(r8)
-	stw	r30, -8(r8)
-	stw	r31, -4(r8)
+	stw	r30,-8(r8)
+	stw	r31,-4(r8)
 
-	stw	r9,  8(r8)
-	stw	r2, 20(r1)
+	stw	r9,8(r8)
+	stw	r2,20(r1)
 LCFI1:
 
-	/* Save arguments over call...  */
+	/* Save arguments over call.  */
 	mr	r31,r5	/* flags,  */
 	mr	r30,r6	/* rvalue,  */
 	mr	r29,r7	/* function address,  */
@@ -71,7 +71,7 @@ LCFI2:
 	mr	r4,r1
 	li	r9,0
 
-	mtctr	r12 // r12 holds address of _ffi_prep_args
+	mtctr	r12 /* r12 holds address of _ffi_prep_args.  */
 	bctrl
 	lwz     r2,20(r1)
 
@@ -82,19 +82,19 @@ LCFI2:
 	mtctr	r29
 	/* Load all those argument registers.
 	   We have set up a nice stack frame, just load it into registers.  */
-	lwz     r3, 20+(1*4)(r1)
-	lwz     r4, 20+(2*4)(r1)
-	lwz     r5, 20+(3*4)(r1)
-	lwz     r6, 20+(4*4)(r1)
+	lwz     r3,20+(1*4)(r1)
+	lwz     r4,20+(2*4)(r1)
+	lwz     r5,20+(3*4)(r1)
+	lwz     r6,20+(4*4)(r1)
 	nop
-	lwz     r7, 20+(5*4)(r1)
-	lwz     r8, 20+(6*4)(r1)
-	lwz     r9, 20+(7*4)(r1)
+	lwz     r7,20+(5*4)(r1)
+	lwz     r8,20+(6*4)(r1)
+	lwz     r9,20+(7*4)(r1)
 	lwz     r10,20+(8*4)(r1)
 
 L1:
 	/* Load all the FP registers.  */
-	bf	6,L2 // 2f + 0x18
+	bf	6,L2	/* No floats to load.  */
 	lfd	f1,-16-(13*8)(r28)
 	lfd	f2,-16-(12*8)(r28)
 	lfd	f3,-16-(11*8)(r28)
@@ -113,8 +113,8 @@ L1:
 	lfd     f13,-16-(1*8)(r28)
 
 L2:
-	mr	r12,r29 /* Put the target address in r12 as specified.  */
-	mtctr  r12
+	mr	r12,r29	/* Put the target address in r12 as specified.  */
+	mtctr  	r12
 	nop
 	nop
 	/* Make the call.  */
@@ -129,14 +129,14 @@ L2:
 	bf	28,L(done_return_value)
 	stw	r4,4(r30)
 
-	/* Fall through...  */
+	/* Fall through.  */
 
 L(done_return_value):
 	/* Restore the registers we used and return.  */
-	lwz	r9,   8(r28)
-	lwz	r31,  -4(r28)
+	lwz	r9,8(r28)
+	lwz	r31,-4(r28)
 	mtlr	r9
-	lwz	r30, -8(r28)
+	lwz	r30,-8(r28)
 	lwz	r29,-12(r28)
 	lwz	r28,-16(r28)
 	lwz	r1,0(r1)

libffi/src/powerpc/darwin_closure.S

@@ -36,8 +36,8 @@
 	.align 2
 _ffi_closure_ASM:
 LFB1:
-	mflr	r0			/* extract return address  */
-	stw	r0, 8(r1)		/* save the return address  */
+	mflr	r0		/* extract return address  */
+	stw	r0,8(r1)	/* save the return address  */
 LCFI0:
 	/* 24 Bytes (Linkage Area)
 	   32 Bytes (outgoing parameter area, always reserved)
@@ -53,29 +53,29 @@ LCFI1:
 
 	/* We store gpr 3 to gpr 10 (aligned to 4)
 	   in the parents outgoing area.  */
-	stw   r3, 200(r1)
-	stw   r4, 204(r1)
-	stw   r5, 208(r1)
-	stw   r6, 212(r1)
-	stw   r7, 216(r1)
-	stw   r8, 220(r1)
-	stw   r9, 224(r1)
-	stw   r10, 228(r1)
+	stw   r3,200(r1)
+	stw   r4,204(r1)
+	stw   r5,208(r1)
+	stw   r6,212(r1)
+	stw   r7,216(r1)
+	stw   r8,220(r1)
+	stw   r9,224(r1)
+	stw   r10,228(r1)
 
 	/* We save fpr 1 to fpr 13. (aligned to 8)  */
-	stfd  f1, 56(r1)
-	stfd  f2, 64(r1)
-	stfd  f3, 72(r1)
-	stfd  f4, 80(r1)
-	stfd  f5, 88(r1)
-	stfd  f6, 96(r1)
-	stfd  f7, 104(r1)
-	stfd  f8, 112(r1)
-	stfd  f9, 120(r1)
-	stfd  f10, 128(r1)
-	stfd  f11, 136(r1)
-	stfd  f12, 144(r1)
-	stfd  f13, 152(r1)
+	stfd  f1,56(r1)
+	stfd  f2,64(r1)
+	stfd  f3,72(r1)
+	stfd  f4,80(r1)
+	stfd  f5,88(r1)
+	stfd  f6,96(r1)
+	stfd  f7,104(r1)
+	stfd  f8,112(r1)
+	stfd  f9,120(r1)
+	stfd  f10,128(r1)
+	stfd  f11,136(r1)
+	stfd  f12,144(r1)
+	stfd  f13,152(r1)
 
 	/* Set up registers for the routine that actually does the work
 	   get the context pointer from the trampoline.  */
@@ -226,9 +226,9 @@ Lret_type14:
 
 /* case done  */
 Lfinish:
-	addi	r1,r1,176		/* Restore stack pointer.  */
-	lwz	r0,8(r1)		/* Get return address.  */
-	mtlr	r0			/* Reset link register.  */
+	addi	r1,r1,176	/* Restore stack pointer.  */
+	lwz	r0,8(r1)	/* Get return address.  */
+	mtlr	r0		/* Reset link register.  */
 	blr
 
 /* END(ffi_closure_ASM)  */