diff options
Diffstat (limited to 'newlib/libc/machine/mn10300/memcpy.S')
| -rw-r--r-- | newlib/libc/machine/mn10300/memcpy.S | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/newlib/libc/machine/mn10300/memcpy.S b/newlib/libc/machine/mn10300/memcpy.S new file mode 100644 index 0000000..da4a21e --- /dev/null +++ b/newlib/libc/machine/mn10300/memcpy.S @@ -0,0 +1,68 @@ + .file "memcpy.S" + + .section .text + .global _memcpy + .type _memcpy,@function +_memcpy: + movm [d2,d3,a2,a3],(sp) + mov d0,d2 + mov d1,a0 + mov d2,a1 + mov (28,sp),d1 +#ifndef __OPTIMIZE_SIZE__ + mov a0,d0 + or d2,d0 + btst 3,d0 + bne .L37 + cmp 15,d1 + bls .L34 +.L29: + setlb + mov (a0),d0 + mov d0,(a1) + inc4 a0 + inc4 a1 + mov (a0),d0 + mov d0,(a1) + inc4 a0 + inc4 a1 + mov (a0),d0 + mov d0,(a1) + inc4 a0 + inc4 a1 + mov (a0),d0 + mov d0,(a1) + inc4 a0 + inc4 a1 + add -16,d1 + cmp 15,d1 + lhi +.L34: + cmp 3,d1 + bls .L37 +.L33: + setlb + mov (a0),d0 + mov d0,(a1) + inc4 a0 + inc4 a1 + add -4,d1 + cmp 3,d1 + lhi +#endif +.L37: + cmp 0,d1 + beq .L36 +.L38: + setlb + movbu (a0),d0 + movbu d0,(a1) + inc a0 + inc a1 + sub 1,d1 + lne +.L36: + mov d2,a0 + ret [d2,d3,a2,a3],16 +.Lfe1: + .size _memcpy,.Lfe1-_memcpy |