diff options
Diffstat (limited to 'compiler-rt/lib/builtins/ashrti3.c')
-rw-r--r-- | compiler-rt/lib/builtins/ashrti3.c | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/compiler-rt/lib/builtins/ashrti3.c b/compiler-rt/lib/builtins/ashrti3.c index 5a497ed1e40..98ffefb0134 100644 --- a/compiler-rt/lib/builtins/ashrti3.c +++ b/compiler-rt/lib/builtins/ashrti3.c @@ -19,27 +19,24 @@ /* Precondition: 0 <= b < bits_in_tword */ -COMPILER_RT_ABI ti_int -__ashrti3(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.high = input.s.high < 0 ? -1 : 0 */ - result.s.high = input.s.high >> (bits_in_dword - 1); - result.s.low = input.s.high >> (b - bits_in_dword); - } - else /* 0 <= b < bits_in_dword */ - { - if (b == 0) - return a; - result.s.high = input.s.high >> b; - result.s.low = (input.s.high << (bits_in_dword - b)) | (input.s.low >> b); - } - return result.all; +COMPILER_RT_ABI ti_int __ashrti3(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.high = input.s.high < 0 ? -1 : 0 */ + result.s.high = input.s.high >> (bits_in_dword - 1); + result.s.low = input.s.high >> (b - bits_in_dword); + } else /* 0 <= b < bits_in_dword */ + { + if (b == 0) + return a; + result.s.high = input.s.high >> b; + result.s.low = (input.s.high << (bits_in_dword - b)) | (input.s.low >> b); + } + return result.all; } #endif /* CRT_HAS_128BIT */ |