Viewing file: pr85657-2.c (1.45 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* { dg-do compile { target { powerpc*-*-linux* } } } */ /* { dg-require-effective-target ppc_float128_sw } */ /* { dg-options "-mvsx -mfloat128 -O2 -mabi=ieeelongdouble -Wno-psabi" } */
// PR 85657 -- make sure conversions work between each of the 128-bit floating // point types.
__attribute__ ((__noinline__)) __float128 ibm128_to_float128 (__ibm128 a) { return (__float128)a; }
__attribute__ ((__noinline__)) __float128 ldouble_to_float128 (long double a) { return (__float128)a; }
__attribute__ ((__noinline__)) __ibm128 float128_to_ibm128 (__float128 a) { return (__ibm128)a; }
__attribute__ ((__noinline__)) __ibm128 ldouble_to_ibm128 (long double a) { return (__ibm128)a; }
__attribute__ ((__noinline__)) long double ibm128_to_ldouble (__ibm128 a) { return (long double)a; }
__attribute__ ((__noinline__)) long double float128_to_ldouble (__float128 a) { return (long double)a; }
#ifdef TEST #include <stdio.h>
volatile __float128 f128 = 1.2Q; volatile __ibm128 i128 = (__ibm128)3.4L; volatile long double ld = 5.6L;
int main (void) { printf ("f128 (1.2) = %g (ld), %g (ibm128)\n", (double) float128_to_ldouble (f128), (double) float128_to_ibm128 (f128));
printf ("i128 (3.4) = %g (ld), %g (float128)\n", (double) ibm128_to_ldouble (i128), (double) ibm128_to_float128 (i128));
printf ("long double (5.6) = %g (ibm128), %g (float128)\n", (double) ldouble_to_ibm128 (ld), (double) ldouble_to_float128 (ld));
return 0; } #endif
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