diff options
Diffstat (limited to 'gnu/llvm/compiler-rt/lib/builtins/ctzdi2.c')
-rw-r--r-- | gnu/llvm/compiler-rt/lib/builtins/ctzdi2.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gnu/llvm/compiler-rt/lib/builtins/ctzdi2.c b/gnu/llvm/compiler-rt/lib/builtins/ctzdi2.c index 9384aa6055a..26c908d876a 100644 --- a/gnu/llvm/compiler-rt/lib/builtins/ctzdi2.c +++ b/gnu/llvm/compiler-rt/lib/builtins/ctzdi2.c @@ -21,15 +21,15 @@ // ctz instruction, gcc resolves __builtin_ctz to __ctzdi2 rather than // __ctzsi2, leading to infinite recursion. #define __builtin_ctz(a) __ctzsi2(a) -extern si_int __ctzsi2(si_int); +extern int __ctzsi2(si_int); #endif // Precondition: a != 0 -COMPILER_RT_ABI si_int __ctzdi2(di_int a) { +COMPILER_RT_ABI int __ctzdi2(di_int a) { dwords x; x.all = a; const si_int f = -(x.s.low == 0); - return __builtin_ctz((x.s.high & f) | (x.s.low & ~f)) + + return ctzsi((x.s.high & f) | (x.s.low & ~f)) + (f & ((si_int)(sizeof(si_int) * CHAR_BIT))); } |