diff options
Diffstat (limited to 'contrib/compiler-rt/lib/builtins/floatditf.c')
| -rw-r--r-- | contrib/compiler-rt/lib/builtins/floatditf.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/contrib/compiler-rt/lib/builtins/floatditf.c b/contrib/compiler-rt/lib/builtins/floatditf.c index 1a5f8e5..cd51dd8 100644 --- a/contrib/compiler-rt/lib/builtins/floatditf.c +++ b/contrib/compiler-rt/lib/builtins/floatditf.c @@ -27,19 +27,17 @@ COMPILER_RT_ABI fp_t __floatditf(di_int a) { // All other cases begin by extracting the sign and absolute value of a rep_t sign = 0; - unsigned aAbs = (unsigned)a; + du_int aAbs = (du_int)a; if (a < 0) { sign = signBit; - aAbs += 0x80000000; + aAbs = ~(du_int)a + 1U; } // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clzll(a); + const int exponent = (aWidth - 1) - __builtin_clzll(aAbs); rep_t result; - // Shift a into the significand field and clear the implicit bit. Extra - // cast to unsigned int is necessary to get the correct behavior for - // the input INT_MIN. + // Shift a into the significand field, rounding if it is a right-shift const int shift = significandBits - exponent; result = (rep_t)aAbs << shift ^ implicitBit; |
