diff options
| author | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:38:53 -0500 |
|---|---|---|
| committer | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:39:34 -0500 |
| commit | f95a4a932476be2ba99e2fd081e8d2bc6ea12813 (patch) | |
| tree | 75f67192cb2d7b7b575c94edda318e475239b63c /newlib/libc/machine/mn10300/strlen.S | |
| parent | f60aca96985e68c7d8a52eb7bc955fb80e132f73 (diff) | |
Import newlib and create makefile
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 |