diff options
Diffstat (limited to 'lib/builtins/ashlti3.c')
-rw-r--r-- | lib/builtins/ashlti3.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/lib/builtins/ashlti3.c b/lib/builtins/ashlti3.c index d5530fb43..fd63785c5 100644 --- a/lib/builtins/ashlti3.c +++ b/lib/builtins/ashlti3.c @@ -19,26 +19,23 @@ /* Precondition: 0 <= b < bits_in_tword */ -COMPILER_RT_ABI ti_int -__ashlti3(ti_int a, si_int b) -{ - const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT); - twords input; - twords result; - input.all = a; - if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ - { - result.s.low = 0; - result.s.high = input.s.low << (b - bits_in_dword); - } - else /* 0 <= b < bits_in_dword */ - { - if (b == 0) - return a; - result.s.low = input.s.low << b; - result.s.high = (input.s.high << b) | (input.s.low >> (bits_in_dword - b)); - } - return result.all; +COMPILER_RT_ABI ti_int __ashlti3(ti_int a, si_int b) { + const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT); + twords input; + twords result; + input.all = a; + if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */ + { + result.s.low = 0; + result.s.high = input.s.low << (b - bits_in_dword); + } else /* 0 <= b < bits_in_dword */ + { + if (b == 0) + return a; + result.s.low = input.s.low << b; + result.s.high = (input.s.high << b) | (input.s.low >> (bits_in_dword - b)); + } + return result.all; } #endif /* CRT_HAS_128BIT */ |