diff options
author | Ulrich Weigand <uweigand@gcc.gnu.org> | 2013-11-14 18:30:19 +0000 |
---|---|---|
committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2013-11-14 18:30:19 +0000 |
commit | 4f883df12fd8225c33e41eb34a43d5b05bd8a18c (patch) | |
tree | ea9be288c6c7207046a70f94d49166dc787036d8 | |
parent | 8c8b21e4f737fdf0e75fcc4a414eee0d4ce56113 (diff) | |
download | gcc-4f883df12fd8225c33e41eb34a43d5b05bd8a18c.zip gcc-4f883df12fd8225c33e41eb34a43d5b05bd8a18c.tar.gz gcc-4f883df12fd8225c33e41eb34a43d5b05bd8a18c.tar.bz2 |
Forgot to add file in last commit.
From-SVN: r204802
-rw-r--r-- | gcc/testsuite/g++.dg/eh/ppc64-sighandle-cr.C | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/eh/ppc64-sighandle-cr.C b/gcc/testsuite/g++.dg/eh/ppc64-sighandle-cr.C new file mode 100644 index 0000000..3256173 --- /dev/null +++ b/gcc/testsuite/g++.dg/eh/ppc64-sighandle-cr.C @@ -0,0 +1,54 @@ +// { dg-do run { target { powerpc64*-*-linux* } } } +// { dg-options "-fexceptions -fnon-call-exceptions" } + +#include <signal.h> +#include <stdlib.h> +#include <fenv.h> + +#define SET_CR(R,V) __asm__ __volatile__ ("mtcrf %0,%1" : : "n" (1<<(7-R)), "r" (V<<(4*(7-R))) : "cr" #R) +#define GET_CR(R) ({ int tmp; __asm__ __volatile__ ("mfcr %0" : "=r" (tmp)); (tmp >> 4*(7-R)) & 15; }) + +void sighandler (int signo, siginfo_t * si, void * uc) +{ + SET_CR(2, 3); + SET_CR(3, 2); + SET_CR(4, 1); + + throw 0; +} + +float test (float a, float b) __attribute__ ((__noinline__)); +float test (float a, float b) +{ + float x; + asm ("mtcrf %1,%2" : "=f" (x) : "n" (1 << (7-3)), "r" (0), "0" (b) : "cr3"); + return a / x; +} + +int main () +{ + struct sigaction sa; + int status; + + sa.sa_sigaction = sighandler; + sa.sa_flags = SA_SIGINFO; + + status = sigaction (SIGFPE, & sa, NULL); + + feenableexcept (FE_DIVBYZERO); + + SET_CR(2, 6); + SET_CR(3, 9); + SET_CR(4, 12); + + try { + test (1, 0); + } + catch (...) { + return GET_CR(2) != 6 || GET_CR(3) != 9 || GET_CR(4) != 12; + } + + return 1; +} + + |