mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			73 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
| // { dg-do run }
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| // { dg-options "-O2" }
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| // { dg-additional-options "-msse2" { target sse2_runtime } }
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| // { dg-additional-options "-mavx" { target avx_runtime } }
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| 
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| extern "C" void abort ();
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| int a[1024] __attribute__((aligned (32))) = { 1 };
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| struct S
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| {
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|   int s;
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|   S () : s (0) {}
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|   S (int x) : s (x) {}
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|   ~S () {}
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| };
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| #pragma omp declare reduction (+:S:omp_out.s += omp_in.s) \
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| 		    initializer (omp_priv (0))
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| #pragma omp declare reduction (foo:S:omp_out.s += omp_in.s) \
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| 		    initializer (omp_priv (0))
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| #pragma omp declare reduction (foo:int:omp_out += omp_in) \
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| 		    initializer (omp_priv = 0)
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| 
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| __attribute__((noinline, noclone)) S
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| foo (S s)
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| {
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|   int i, v = 0, &u = v;
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|   S t;
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|   #pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u) \
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| 		   safelen(1)
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|   for (i = 0; i < 1024; i++)
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|     {
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|       int x = a[i];
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|       s.s += x;
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|       t.s += x;
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|       u += x;
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|     }
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|   if (t.s != s.s || u != s.s)
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|     abort ();
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|   return t;
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| }
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| 
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| __attribute__((noinline, noclone)) int
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| bar (S &s, S &t)
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| {
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|   int i, v = 0, &u = v;
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|   #pragma omp simd aligned(a : 32) reduction(+:s) reduction(foo:t, u) \
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| 		   safelen(1)
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|   for (i = 0; i < 1024; i++)
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|     {
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|       int x = a[i];
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|       s.s += x;
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|       t.s += x;
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|       u += x;
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|     }
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|   if (t.s != s.s || u != s.s)
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|     abort ();
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|   return s.s;
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| }
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| 
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| int
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| main ()
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| {
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|   int i;
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|   for (i = 0; i < 1024; i++)
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|     a[i] = (i & 31) + (i / 128);
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|   S q;
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|   int s = foo (q).s;
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|   if (s != 19456)
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|     abort ();
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|   S r, v;
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|   if (bar (r, v) != s)
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|     abort ();
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| }
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