Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/pr54436.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR target/54436 */ /* { dg-do assemble } */ #if __SIZEOF_SHORT__ == 2 && __SIZEOF_LONG_LONG__ == 8 static inline unsigned short baz (unsigned short *x) { union U { unsigned short a; unsigned char b[2]; } u = { *x }; u.b[0] = ((u.b[0] * 0x0802ULL & 0x22110ULL) | (u.b[0] * 0x8020ULL & 0x88440ULL)) * 0x10101ULL >> 16; u.b[1] = ((u.b[1] * 0x0802ULL & 0x22110ULL) | (u.b[1] * 0x8020ULL & 0x88440ULL)) * 0x10101ULL >> 16; unsigned char t = u.b[0]; u.b[0] = u.b[1]; u.b[1] = t; return u.a; } static inline unsigned long long bar (unsigned long long *x) { union U { unsigned long long a; unsigned short b[4]; } u = { *x }; u.b[0] = baz (&u.b[0]); return u.a; } void foo (void) { unsigned long long l = -1ULL; __asm volatile ("" : : "r" (bar (&l))); } #else void foo (void) { } #endif