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simd-2.C: Check for AltiVec HW support at runtime. 

* g++.dg/eh/simd-2.C: Check for AltiVec HW support at runtime.
	* g++.dg/eh/check-vect.h: New.

From-SVN: r94565
This commit is contained in:
Janis Johnson 2005-02-01 21:33:28 +00:00 committed by Janis Johnson
parent dd1d184d74
commit dc5944f7c8
3 changed files with 35 additions and 6 deletions
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3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2005-02-01 Janis Johnson <janis187@us.ibm.com>
* g++.dg/eh/simd-2.C: Check for AltiVec HW support at runtime.
* g++.dg/eh/check-vect.h: New.
* gcc.dg/vect/vect-77.c: Replace xfail selector with expression.
* gcc.dg/vect/vect-78.c: Ditto.
* gcc.dg/vect/vect.exp (check_effective_target_lp64_or_vect_no_align):

26
gcc/testsuite/g++.dg/eh/check-vect.h Normal file
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@ -0,0 +1,26 @@
/* Check if system supports SIMD. Copied from gcc.dg/vect/tree-vect.h. */
#include <signal.h>
extern "C" void abort (void);
extern "C" void exit (int);
void
sig_ill_handler (int sig)
{
exit(0);
}
void check_vect (void)
{
signal(SIGILL, sig_ill_handler);
#if defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__) || defined(powerpc)
/* Altivec instruction, 'vor %v0,%v0,%v0'. */
asm volatile (".long 0x10000484");
#elif defined(__i386__) || defined(__x86_64__)
/* SSE2 instruction: movsd %xmm0,%xmm0 */
asm volatile (".byte 0xf2,0x0f,0x10,0xc0");
#elif defined(__sparc__)
asm volatile (".word\t0x81b007c0");
#endif
signal (SIGILL, SIG_DFL);
}

12
gcc/testsuite/g++.dg/eh/simd-2.C
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@ -2,8 +2,10 @@
// Contributed by Aldy Hernandez (aldy@quesejoda.com).
// { dg-options "-O" }
// { dg-options "-O -w" { target i?86-*-* } }
// { dg-options "-O -w -maltivec" { target powerpc64-*-linux* } }
// { dg-do run { xfail "powerpc64-*-linux*"} }
// { dg-options "-O -w -maltivec" { target powerpc*-*-linux* } }
// { dg-do run }
#include "check-vect.h"
typedef int __attribute__((vector_size (16))) vecint;
@ -43,10 +45,8 @@ void f1 (void)
int main ()
{
#if defined(__powerpc64__) && defined(__linux__)
// Don't run on ppc64-linux, since not always AltiVec regs available
return -1;
#endif
/* Exit with zero if the hardware does not support AltiVec instructions. */
check_vect ();
f1 ();
return 0;
}