/* PR tree-optimization/56064 */ /* { dg-do run } */ /* { dg-options "-std=gnu99 -O2 -fno-builtin-memcpy" } */ extern void abort (void); extern void *memcpy (void*, const void*, __SIZE_TYPE__); #define f_pun_i(F, I, VAL) \ { \ I i1 = VAL; \ I i2 = VAL; \ F q1, q2; \ memcpy (&q1, &i1, sizeof (I)); \ __builtin_memcpy (&q2, &i2, sizeof (I)); \ if (q1 != q2) \ abort(); \ } #define i_pun_f(I, F, VAL) \ { \ F q1 = VAL; \ F q2 = VAL; \ I i1, i2; \ memcpy (&i1, &q1, sizeof (I)); \ __builtin_memcpy (&i2, &q2, sizeof (I)); \ if (i1 != i2) \ abort(); \ } void __attribute__((noinline)) test8 (void) { #ifdef __INT8_TYPE__ if (sizeof (__INT8_TYPE__) == sizeof (short _Fract)) { #define TEST(X) f_pun_i (short _Fract, __INT8_TYPE__, __INT8_C (X)) TEST (123); TEST (-123); #undef TEST #define TEST(X) i_pun_f (__INT8_TYPE__, short _Fract, X ## hr) TEST (0.1234); TEST (-0.987); #undef TEST } #endif /* __INT8_TYPE__ */ } void __attribute__((noinline)) test16 (void) { #ifdef __INT16_TYPE__ if (sizeof (__INT16_TYPE__) == sizeof (_Fract)) { #define TEST(X) f_pun_i (_Fract, __INT16_TYPE__, __INT16_C (X)) TEST (0x4321); TEST (-0x4321); TEST (0x8000); #undef TEST #define TEST(X) i_pun_f (__INT16_TYPE__, _Fract, X ## r) TEST (0.12345); TEST (-0.98765); #undef TEST } #endif /* __INT16_TYPE__ */ } void __attribute__((noinline)) test32 (void) { #ifdef __INT32_TYPE__ if (sizeof (__INT32_TYPE__) == sizeof (_Accum)) { #define TEST(X) f_pun_i (_Accum, __INT32_TYPE__, __INT32_C (X)) TEST (0x76543219); TEST (-0x76543219); TEST (0x80000000); #undef TEST #define TEST(X) i_pun_f (__INT32_TYPE__, _Accum, X ## k) TEST (123.456789); TEST (-123.456789); #undef TEST } #endif /* __INT32_TYPE__ */ } void __attribute__((noinline)) test64 (void) { #ifdef __INT64_TYPE__ if (sizeof (__INT64_TYPE__) == sizeof (long _Accum)) { #define TEST(X) f_pun_i (long _Accum, __INT64_TYPE__, __INT64_C (X)) TEST (0x12345678abcdef01); TEST (-0x12345678abcdef01); TEST (0x8000000000000000); #undef TEST #define TEST(X) i_pun_f (__INT64_TYPE__, long _Accum, X ## lk) TEST (123.456789); TEST (-123.456789); #undef TEST } #endif /* __INT64_TYPE__ */ } int main() { test8(); test16(); test32(); test64(); return 0; }