#define EK(y...) EX(y)
-GLOBAL_ENTRY(bcopy)
- .regstk 3,0,0,0
- mov r8=in0
- mov in0=in1
- ;;
- mov in1=r8
- ;;
-END(bcopy)
-
/* McKinley specific optimization */
#define retval r8
mov f6=f0
br.cond.sptk .common_code
;;
+END(memcpy)
GLOBAL_ENTRY(__copy_user)
.prologue
// check dest alignment
add src_pre_mem=0,src0 // prefetch src pointer
add dst_pre_mem=0,dst0 // prefetch dest pointer
and src0=-8,src0 // 1st src pointer
-(p7) mov ar.lc = r21
+(p7) mov ar.lc = cnt
(p8) mov ar.lc = r0
;;
TEXT_ALIGN(32)
#undef B
#undef C
#undef D
-END(memcpy)
/*
* Due to lack of local tag support in gcc 2.x assembler, it is not clear which
clrrrb
;;
alloc saved_pfs_stack=ar.pfs,3,3,3,0
+ cmp.lt p8,p0=A,r0
sub B = dst0, saved_in0 // how many byte copied so far
;;
+(p8) mov A = 0; // A shouldn't be negative, cap it
+ ;;
sub C = A, B
sub D = saved_in2, A
;;