Add documentation for musttail attribute
[official-gcc.git] / gcc / testsuite / gcc.target / powerpc / pr47251.c
blobbb7ea64ff0876145c2c953105925e30b2d1d13de
1 /* { dg-do compile { target { powerpc*-*-* && ilp32 } } } */
2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
3 /* { dg-require-effective-target powerpc_vsx_ok } */
4 /* { dg-options "-O2 -msoft-float -mdejagnu-cpu=power7" } */
6 /* PR 47151: libgcc fails to build when using --with-cpu=power7 due to a missed
7 TARGET_HARD_FLOAT test. */
8 unsigned long long
9 func (float a)
11 const float dfa = a;
12 const unsigned int hi = dfa / 0x1p32f;
13 const unsigned int lo = dfa - (float) hi * 0x1p32f;
14 return ((unsigned long long) hi << (4 * 8)) | lo;