diff options
Diffstat (limited to 'newlib/libc/machine/mn10300/strlen.S')
| -rw-r--r-- | newlib/libc/machine/mn10300/strlen.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/newlib/libc/machine/mn10300/strlen.S b/newlib/libc/machine/mn10300/strlen.S new file mode 100644 index 0000000..91e88dd --- /dev/null +++ b/newlib/libc/machine/mn10300/strlen.S @@ -0,0 +1,44 @@ + .file "strlen.S" + + .section .text + .global _strlen + .type _strlen,@function +_strlen: + movm [d2,d3,a2,a3],(sp) + mov d0,a0 + mov a0,a2 +#ifndef __OPTIMIZE_SIZE__ + btst 3,d0 + bne .L21 + mov (a0),d0 + mov -16843009,a1 + mov a1,d1 + add d0,d1 + not d0 + and d0,d1 + mov -2139062144,d2 + btst -2139062144,d1 + bne .L21 +.L15: + setlb + inc4 a0 + mov (a0),d0 + mov a1,d1 + add d0,d1 + not d0 + and d0,d1 + and d2,d1 + leq + jmp .L21 +#endif +.L19: + inc a0 +.L21: + movbu (a0),d3 + cmp 0,d3 + bne .L19 + sub a2,a0 + mov a0,d0 + ret [d2,d3,a2,a3],16 +.Lfe1: + .size _strlen,.Lfe1-_strlen |