1 /* { dg-do run { target { powerpc*-*-* } } } */ 2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */ 3 /* { dg-require-effective-target lp64 } */ 4 /* { dg-require-effective-target p9vector_hw } */ 5 /* { dg-options "-mcpu=power9" } */ 6 7 /* This test should succeed only on 64-bit configurations. */ 8 #include <altivec.h> 9 #include <stdlib.h> 10 11 __ieee128 insert_exponent(__ieee128 * significand_p,unsigned long long int * exponent_p)12insert_exponent (__ieee128 *significand_p, 13 unsigned long long int *exponent_p) 14 { 15 __ieee128 significand = *significand_p; 16 unsigned long long int exponent = *exponent_p; 17 18 return scalar_insert_exp (significand, exponent); 19 } 20 21 #define BIAS_FOR_QUAD_EXP 16383 22 23 int main()24main () 25 { 26 /* most-significant bit @13, shift it to position 113 */ 27 unsigned __int128 significand_1 = ((unsigned __int128) 0x1100) << 100; 28 unsigned __int128 significand_2 = ((unsigned __int128) 0x1101) << 100; 29 unsigned long long int exponent_1 = 126 + BIAS_FOR_QUAD_EXP; 30 unsigned long long int exponent_2 = 124 + BIAS_FOR_QUAD_EXP; 31 32 __ieee128 *significand_1_ptr = (__ieee128 *) &significand_1; 33 __ieee128 *significand_2_ptr = (__ieee128 *) &significand_2; 34 35 __ieee128 x = (__ieee128) (((__int128) 0x1100LL) << 114); 36 __ieee128 z = (__ieee128) (((__int128) 0x1101LL) << 112); 37 38 if (insert_exponent (significand_1_ptr, &exponent_1) != x) 39 abort (); 40 if (insert_exponent (significand_2_ptr, &exponent_2) != z) 41 abort (); 42 return 0; 43 } 44