diff options
Diffstat (limited to 'lib/builtins/floatditf.c')
-rw-r--r-- | lib/builtins/floatditf.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/lib/builtins/floatditf.c b/lib/builtins/floatditf.c index d7c252da5..9b07b6582 100644 --- a/lib/builtins/floatditf.c +++ b/lib/builtins/floatditf.c @@ -18,32 +18,32 @@ #if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) COMPILER_RT_ABI fp_t __floatditf(di_int a) { - const int aWidth = sizeof a * CHAR_BIT; - - // Handle zero as a special case to protect clz - if (a == 0) - return fromRep(0); - - // All other cases begin by extracting the sign and absolute value of a - rep_t sign = 0; - du_int aAbs = (du_int)a; - if (a < 0) { - sign = signBit; - aAbs = ~(du_int)a + 1U; - } - - // Exponent of (fp_t)a is the width of abs(a). - const int exponent = (aWidth - 1) - __builtin_clzll(aAbs); - rep_t result; - - // Shift a into the significand field, rounding if it is a right-shift - const int shift = significandBits - exponent; - result = (rep_t)aAbs << shift ^ implicitBit; - - // Insert the exponent - result += (rep_t)(exponent + exponentBias) << significandBits; - // Insert the sign bit and return - return fromRep(result | sign); + const int aWidth = sizeof a * CHAR_BIT; + + // Handle zero as a special case to protect clz + if (a == 0) + return fromRep(0); + + // All other cases begin by extracting the sign and absolute value of a + rep_t sign = 0; + du_int aAbs = (du_int)a; + if (a < 0) { + sign = signBit; + aAbs = ~(du_int)a + 1U; + } + + // Exponent of (fp_t)a is the width of abs(a). + const int exponent = (aWidth - 1) - __builtin_clzll(aAbs); + rep_t result; + + // Shift a into the significand field, rounding if it is a right-shift + const int shift = significandBits - exponent; + result = (rep_t)aAbs << shift ^ implicitBit; + + // Insert the exponent + result += (rep_t)(exponent + exponentBias) << significandBits; + // Insert the sign bit and return + return fromRep(result | sign); } #endif |