diff options
Diffstat (limited to 'newlib/libc/machine/i386/memchr.S')
| -rw-r--r-- | newlib/libc/machine/i386/memchr.S | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/newlib/libc/machine/i386/memchr.S b/newlib/libc/machine/i386/memchr.S index 7639685be..d9b0bf2b7 100644 --- a/newlib/libc/machine/i386/memchr.S +++ b/newlib/libc/machine/i386/memchr.S @@ -14,13 +14,33 @@ SOTYPE_FUNCTION(memchr) SYM (memchr): +#ifdef __iamcu__ + pushl edi + movl eax,edi + movl edx,eax + xorl edx,edx + testl ecx,ecx + jz L20 + + repnz + scasb + + setnz dl + decl edi + + decl edx + andl edi,edx +L20: + movl edx,eax + + popl edi +#else pushl ebp movl esp,ebp pushl edi movzbl 12(ebp),eax movl 16(ebp),ecx movl 8(ebp),edi - xorl edx,edx testl ecx,ecx jz L20 @@ -111,4 +131,5 @@ L20: leal -4(ebp),esp popl edi leave +#endif ret |