diff options
Diffstat (limited to 'arch/sh/lib/ashldi3.c')
| -rw-r--r-- | arch/sh/lib/ashldi3.c | 25 | 
1 files changed, 25 insertions, 0 deletions
| diff --git a/arch/sh/lib/ashldi3.c b/arch/sh/lib/ashldi3.c new file mode 100644 index 000000000..9b50d866a --- /dev/null +++ b/arch/sh/lib/ashldi3.c @@ -0,0 +1,25 @@ +#include "libgcc.h" + +long long __ashldi3(long long u, word_type b) +{ +	DWunion uu, w; +	word_type bm; + +	if (b == 0) +		return u; + +	uu.ll = u; +	bm = 32 - b; + +	if (bm <= 0) { +		w.s.low = 0; +		w.s.high = (unsigned int) uu.s.low << -bm; +	} else { +		const unsigned int carries = (unsigned int) uu.s.low >> bm; + +		w.s.low = (unsigned int) uu.s.low << b; +		w.s.high = ((unsigned int) uu.s.high << b) | carries; +	} + +	return w.ll; +} |