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Long double Constant problem

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ayush-varshney 2021-02-11 08:49:58 +01:00
parent fbef90a703
commit 405aef9155
1 changed files with 3 additions and 3 deletions
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6
tccgen.c
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@ -3024,7 +3024,7 @@ static void gen_opif(int op)
case '-': f1 -= f2; break; case '-': f1 -= f2; break;
case '*': f1 *= f2; break; case '*': f1 *= f2; break;
case '/': case '/':
if (f2 == 0.0) { if (f2 == (f1-f1) ) {
union { float f; unsigned u; } x1, x2, y; union { float f; unsigned u; } x1, x2, y;
/* If not in initializer we need to potentially generate /* If not in initializer we need to potentially generate
FP exceptions at runtime, otherwise we want to fold. */ FP exceptions at runtime, otherwise we want to fold. */
@ -3033,7 +3033,7 @@ static void gen_opif(int op)
/* the run-time result of 0.0/0.0 on x87, also of other compilers /* the run-time result of 0.0/0.0 on x87, also of other compilers
when used to compile the f1 /= f2 below, would be -nan */ when used to compile the f1 /= f2 below, would be -nan */
x1.f = f1, x2.f = f2; x1.f = f1, x2.f = f2;
if (f1 == 0.0) if (f1 == (f1-f1) )
y.u = 0x7fc00000; /* nan */ y.u = 0x7fc00000; /* nan */
else else
y.u = 0x7f800000; /* infinity */ y.u = 0x7f800000; /* infinity */
@ -8102,7 +8102,7 @@ static void init_putv(init_params *p, CType *type, unsigned long c)
else if (sizeof (long double) == sizeof (double)) else if (sizeof (long double) == sizeof (double))
__asm__("fldl %1\nfstpt %0\n" : "=m" (*ptr) : "m" (vtop->c.ld)); __asm__("fldl %1\nfstpt %0\n" : "=m" (*ptr) : "m" (vtop->c.ld));
#endif #endif
else if (vtop->c.ld == 0.0) else if (vtop->c.ld == (f1-f1) )
; ;
else else
#endif #endif