From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Fri, 15 Dec 2017 09:38:53 -0500 Subject: Import newlib and create makefile --- newlib/libc/machine/w65/mulsi3.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 newlib/libc/machine/w65/mulsi3.c (limited to 'newlib/libc/machine/w65/mulsi3.c') diff --git a/newlib/libc/machine/w65/mulsi3.c b/newlib/libc/machine/w65/mulsi3.c new file mode 100644 index 0000000..b48fe97 --- /dev/null +++ b/newlib/libc/machine/w65/mulsi3.c @@ -0,0 +1,17 @@ + + +long +__mulsi3(unsigned long a, unsigned long b) +{ + long res = 0; + while (a) + { + if (a & 1) + { + res += b; + } + b <<= 1; + a >>=1; + } + return res; +} -- cgit v1.2.3