[PATCH] ppc boot: replace string labels with numbers

Replacing the string labels with numbers saves 117 bytes in the final zImage.
These local labels are not discared.

Signed-off-by: Olaf Hering <olh@suse.de>

 arch/powerpc/boot/crt0.S |   23 +++++++++++------------
 1 files changed, 11 insertions(+), 12 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 11 insertions, 12 deletions

diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S
index 9cc442263939..d2f2ace56cd3 100644
--- a/arch/powerpc/boot/crt0.S
+++ b/arch/powerpc/boot/crt0.S
@@ -14,43 +14,42 @@
         .text
         .globl  _zimage_start
 _zimage_start:
-        bl      reloc_offset
+        bl      1f
 
-reloc_offset:
+1:
         mflr    r0
-        lis     r9,reloc_offset@ha
-        addi    r9,r9,reloc_offset@l
+        lis     r9,1b@ha
+        addi    r9,r9,1b@l
         subf.   r0,r9,r0
-        beq     clear_caches
+        beq     3f
 
-reloc_got2:
         lis     r9,__got2_start@ha
         addi    r9,r9,__got2_start@l
         lis     r8,__got2_end@ha
         addi    r8,r8,__got2_end@l
         subf.   r8,r9,r8
-        beq     clear_caches
+        beq     3f
         srwi.   r8,r8,2
         mtctr   r8
         add     r9,r0,r9
-reloc_got2_loop:
+2:
         lwz     r8,0(r9)
         add     r8,r8,r0
         stw     r8,0(r9)
         addi    r9,r9,4
-        bdnz    reloc_got2_loop
+        bdnz    2b
 
-clear_caches:
+3:
         lis     r9,_start@h
         add     r9,r0,r9
         lis     r8,_etext@ha
         addi    r8,r8,_etext@l
         add     r8,r0,r8
-1:      dcbf    r0,r9
+4:      dcbf    r0,r9
         icbi    r0,r9
         addi    r9,r9,0x20
         cmplwi  0,r9,8
-        blt     1b
+        blt     4b
         sync
         isync