diff options
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/builtins/parityti2.c')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/builtins/parityti2.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/parityti2.c b/contrib/llvm-project/compiler-rt/lib/builtins/parityti2.c index 79e920d8a02d..011c8dd45562 100644 --- a/contrib/llvm-project/compiler-rt/lib/builtins/parityti2.c +++ b/contrib/llvm-project/compiler-rt/lib/builtins/parityti2.c @@ -18,8 +18,14 @@ COMPILER_RT_ABI int __parityti2(ti_int a) { twords x; + dwords x2; x.all = a; - return __paritydi2(x.s.high ^ x.s.low); + x2.all = x.s.high ^ x.s.low; + su_int x3 = x2.s.high ^ x2.s.low; + x3 ^= x3 >> 16; + x3 ^= x3 >> 8; + x3 ^= x3 >> 4; + return (0x6996 >> (x3 & 0xF)) & 1; } #endif // CRT_HAS_128BIT |