X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/59e0d9fe772464b93d835d2a2964457702469a43..3d9156a7a519a5e3aa1b92e9d9d4b991f1aed7ff:/ppc/string/bzero.s

diff --git a/ppc/string/bzero.s b/ppc/string/bzero.s
index 08c547b..57f957d 100644
--- a/ppc/string/bzero.s
+++ b/ppc/string/bzero.s
@@ -3,8 +3,6 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -37,7 +35,6 @@
         .text
         .align	5
         .globl	_bzero
-        .globl	_memset
 
 // *************
 // * B Z E R O *
@@ -47,113 +44,3 @@
 
 _bzero:						// void	bzero(void *b, size_t len);
         ba	_COMM_PAGE_BZERO
-
-
-// ***************
-// * M E M S E T *
-// ***************
-// Registers we use:
-//	r3  = original ptr, not changed since memset returns it
-//	r4  = count of bytes to set ("rc")
-//	r11 = working operand ptr ("rp")
-//	r10 = value to set ("rv")
-
-#define	rc	r4
-#define	rp	r11
-#define	rv	r10
-
-        .align	5
-_memset:					// void *   memset(void *b, int c, size_t len);
-        andi.	rv,r4,0xFF	// copy value to working register, test for 0
-        mr		rc,r5		// move length to working register
-        cmplgi	cr1,r5,32	// length < 32 ?
-        beqa++	_COMM_PAGE_BZERO
-        rlwimi	rv,rv,8,16,23	// replicate value to low 2 bytes
-        mr		rp,r3		// make working copy of operand ptr
-        rlwimi	rv,rv,16,0,15	// value now in all 4 bytes
-        blt		cr1,Ltail	// length<32, so use common tail routine
-        neg		r5,rp		// start to compute #bytes to align
-        andi.	r6,r5,0x7	// r6 <- #bytes to align on dw
-        beq     Lmemset1	// already aligned
-        
-        ; align on 8-byte boundary
-        
-        mtcrf	0x01,r6		// move count to cr7
-        sub		rc,rc,r6	// adjust length
-        bf		31,1f
-        stb		rv,0(rp)
-        addi	rp,rp,1
-1:
-        bf		30,2f
-        sth		rv,0(rp)
-        addi	rp,rp,2
-2:
-        bf		29,Lmemset1
-        stw		rv,0(rp)
-        addi	rp,rp,4
-        
-       // loop on 16-byte blocks
-Lmemset1:
-        stw		rv,0(rp)	// store first 8 bytes from rv
-        stw		rv,4(rp)
-        srgi	r5,rc,4		// r5 <- #blocks (>=1)
-        mtcrf	0x01,rc		// leftover length to cr7
-        mtctr	r5			// set up loop count
-        lfd		f0,0(rp)	// pick up in a fp register
-        b		2f			// enter loop in middle
-        .align	4
-1:							// loop on 16-byte blocks
-        stfd	f0,0(rp)
-2:
-        stfd	f0,8(rp)
-        addi	rp,rp,16
-        bdnz	1b
-        
-        // store up to 16 trailing bytes (count in cr7)
-        
-        bf		28,3f
-        stfd	f0,0(rp)
-        addi	rp,rp,8
-3:
-        bf		29,4f
-        stw		rv,0(rp)
-        addi	rp,rp,4
-4:
-        bf		30,5f
-        sth		rv,0(rp)
-        addi	rp,rp,2
-5:
-        bflr	31
-        stb		rv,0(rp)
-		blr
-
-	// store up to 31 bytes from rv
-	//     rv = value to store (in all 4 bytes)
-	//     rc = #bytes to store (0..31)
-Ltail:
-        andi.   r5,rc,16        // bit 27 set in length?
-        mtcrf   0x01,rc         // low 4 bits of length to cr7
-        beq     1f              // test bits of length
-        stw     rv,0(rp)
-        stw     rv,4(rp)
-        stw     rv,8(rp)
-        stw     rv,12(rp)
-        addi    rp,rp,16
-1:
-        bf      28,2f
-        stw     rv,0(rp)
-        stw     rv,4(rp)
-        addi    rp,rp,8
-2:
-        bf      29,3f
-        stw     rv,0(rp)
-        addi    rp,rp,4
-3:
-        bf      30,4f
-        sth     rv,0(rp)
-        addi    rp,rp,2
-4:
-        bflr    31
-        stb     rv,0(rp)
-        blr
-