diff options
Diffstat (limited to 'compiler-rt/lib/builtins/clzdi2.c')
| -rw-r--r-- | compiler-rt/lib/builtins/clzdi2.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/compiler-rt/lib/builtins/clzdi2.c b/compiler-rt/lib/builtins/clzdi2.c index a0bacb2ae39e..12c17982a5cb 100644 --- a/compiler-rt/lib/builtins/clzdi2.c +++ b/compiler-rt/lib/builtins/clzdi2.c @@ -21,15 +21,15 @@ // ctz instruction, gcc resolves __builtin_clz to __clzdi2 rather than // __clzsi2, leading to infinite recursion. #define __builtin_clz(a) __clzsi2(a) -extern si_int __clzsi2(si_int); +extern int __clzsi2(si_int); #endif // Precondition: a != 0 -COMPILER_RT_ABI si_int __clzdi2(di_int a) { +COMPILER_RT_ABI int __clzdi2(di_int a) { dwords x; x.all = a; const si_int f = -(x.s.high == 0); - return __builtin_clz((x.s.high & ~f) | (x.s.low & f)) + + return clzsi((x.s.high & ~f) | (x.s.low & f)) + (f & ((si_int)(sizeof(si_int) * CHAR_BIT))); } |