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bootstrappable: HAVE_FLOAT.

This commit is contained in:
Jan Nieuwenhuizen 2018-05-20 10:11:40 +02:00
parent d8578d242f
commit 843ed17eff
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GPG Key ID: F3C1A0D9C1D65273
2 changed files with 7 additions and 1 deletions
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6
tccgen.c
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@ -1850,11 +1850,13 @@ static void gen_opif(int op)
case '-': f1 -= f2; break;
case '*': f1 *= f2; break;
case '/':
#if HAVE_FLOAT
if (f2 == 0.0) {
if (const_wanted)
tcc_error("division by zero in constant");
goto general_case;
}
#endif
f1 /= f2;
break;
/* XXX: also handles tests ? */
@ -4660,12 +4662,14 @@ ST_FUNC void unary(void)
/* In IEEE negate(x) isn't subtract(0,x), but rather
subtract(-0, x). */
vpush(&vtop->type);
#if HAVE_FLOAT
if (t == VT_FLOAT)
vtop->c.f = -1.0 * 0.0;
else if (t == VT_DOUBLE)
vtop->c.d = -1.0 * 0.0;
else
vtop->c.ld = -1.0 * 0.0;
#endif
} else
vpushi(0);
vswap();
@ -6195,7 +6199,7 @@ static void init_putv(CType *type, Section *sec, unsigned long c)
#if (defined __i386__ || defined __x86_64__) && (defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64)
else if (sizeof (long double) >= 10)
memcpy(memset(ptr, 0, LDOUBLE_SIZE), &vtop->c.ld, 10);
#ifdef __TINYC__
#if defined (__TINYC__) && HAVE_FLOAT
else if (sizeof (long double) == sizeof (double))
__asm__("fldl %1\nfstpt %0\n" : "=m"
(memset(ptr, 0, LDOUBLE_SIZE), ptr) : "m" (vtop->c.ld));

2
tccpp.c
View File

@ -2284,7 +2284,9 @@ static void parse_number(const char *p)
/* now we can generate the number */
/* XXX: should patch directly float number */
#if HAVE_FLOAT
d = (double)bn[1] * 4294967296.0 + (double)bn[0];
#endif
d = ldexp(d, exp_val - frac_bits);
t = toup(ch);
if (t == 'F') {