Author: andrew Date: Fri Aug 14 14:17:04 2015 New Revision: 286779 URL: https://svnweb.freebsd.org/changeset/base/286779
Log: Use __builtin_clzll to count the leading zero bits, the data is based on long long so __builtin_clz will return an incorrect value. Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D3375 Modified: head/contrib/compiler-rt/lib/builtins/floatditf.c head/contrib/compiler-rt/lib/builtins/floatunditf.c Modified: head/contrib/compiler-rt/lib/builtins/floatditf.c ============================================================================== --- head/contrib/compiler-rt/lib/builtins/floatditf.c Fri Aug 14 13:58:18 2015 (r286778) +++ head/contrib/compiler-rt/lib/builtins/floatditf.c Fri Aug 14 14:17:04 2015 (r286779) @@ -34,7 +34,7 @@ COMPILER_RT_ABI fp_t __floatditf(di_int } // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(a); + const int exponent = (aWidth - 1) - __builtin_clzll(a); rep_t result; // Shift a into the significand field and clear the implicit bit. Extra Modified: head/contrib/compiler-rt/lib/builtins/floatunditf.c ============================================================================== --- head/contrib/compiler-rt/lib/builtins/floatunditf.c Fri Aug 14 13:58:18 2015 (r286778) +++ head/contrib/compiler-rt/lib/builtins/floatunditf.c Fri Aug 14 14:17:04 2015 (r286779) @@ -25,7 +25,7 @@ COMPILER_RT_ABI fp_t __floatunditf(du_in if (a == 0) return fromRep(0); // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clz(a); + const int exponent = (aWidth - 1) - __builtin_clzll(a); rep_t result; // Shift a into the significand field and clear the implicit bit. _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
