Some parts of existing codebase assume the default `int` type to be (at least) 32 bit wide. On 16 bit targets such as MSP430 this may cause Undefined Behavior or results being defined but incorrect.
Differential Revision: https://reviews.llvm.org/D81408
}
double_bits fb;
fb.u.s.high = ((su_int)s & 0x80000000) | // sign
- ((e + 1023) << 20) | // exponent
+ ((su_int)(e + 1023) << 20) | // exponent
((su_int)(a >> 32) & 0x000FFFFF); // mantissa-high
fb.u.s.low = (su_int)a; // mantissa-low
return fb.f;
// a is now rounded to DBL_MANT_DIG bits
}
double_bits fb;
- fb.u.s.high = ((e + 1023) << 20) | // exponent
+ fb.u.s.high = ((su_int)(e + 1023) << 20) | // exponent
((su_int)(a >> 32) & 0x000FFFFF); // mantissa-high
fb.u.s.low = (su_int)a; // mantissa-low
return fb.f;
#define REP_C UINT32_C
#define significandBits 23
-static __inline int rep_clz(rep_t a) { return __builtin_clz(a); }
+static __inline int rep_clz(rep_t a) { return clzsi(a); }
// 32x32 --> 64 bit multiply
static __inline void wideMultiply(rep_t a, rep_t b, rep_t *hi, rep_t *lo) {