diff options
Diffstat (limited to 'arch/powerpc/lib')
| -rw-r--r-- | arch/powerpc/lib/memcpy_64.S | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S index fd66acfd3e3e..7173ba98f427 100644 --- a/arch/powerpc/lib/memcpy_64.S +++ b/arch/powerpc/lib/memcpy_64.S @@ -11,6 +11,7 @@ .align 7 _GLOBAL(memcpy) + std r3,48(r1) /* save destination pointer for return value */ mtcrf 0x01,r5 cmpldi cr1,r5,16 neg r6,r3 # LS 3 bits = # bytes to 8-byte dest bdry @@ -38,7 +39,7 @@ _GLOBAL(memcpy) stdu r9,16(r3) bdnz 1b 3: std r8,8(r3) - beqlr + beq 3f addi r3,r3,16 ld r9,8(r4) .Ldo_tail: @@ -53,7 +54,8 @@ _GLOBAL(memcpy) 2: bf cr7*4+3,3f rotldi r9,r9,8 stb r9,0(r3) -3: blr +3: ld r3,48(r1) /* return dest pointer */ + blr .Lsrc_unaligned: srdi r6,r5,3 @@ -115,7 +117,7 @@ _GLOBAL(memcpy) 5: srd r12,r9,r11 or r12,r8,r12 std r12,24(r3) - beqlr + beq 4f cmpwi cr1,r5,8 addi r3,r3,32 sld r9,r9,r10 @@ -167,4 +169,5 @@ _GLOBAL(memcpy) 3: bf cr7*4+3,4f lbz r0,0(r4) stb r0,0(r3) -4: blr +4: ld r3,48(r1) /* return dest pointer */ + blr |