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📄 simd-1.c

📁 linux下编程用 编译软件
💻 C
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/* Origin: Aldy Hernandez <aldyh@redhat.com>   Purpose: Test generic SIMD support.  This test should work   regardless of if the target has SIMD instructions.*/typedef int __attribute__((vector_size (16))) vecint;typedef int __attribute__((mode(SI))) siint;vecint i = { 150, 100, 150, 200 };vecint j = { 10, 13, 20, 30 };vecint k;union {  vecint v;  siint i[4];} res;/* This should go away once we can use == and != on vector types.  */voidverify (siint a1, siint a2, siint a3, siint a4,	siint b1, siint b2, siint b3, siint b4){  if (a1 != b1      || a2 != b2      || a3 != b3      || a4 != b4)    abort ();}intmain (){  k = i + j;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3], 160, 113, 170, 230);  k = i * j;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3], 1500, 1300, 3000, 6000);  k = i / j;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3], 15, 7, 7, 6);  k = i & j;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3], 2, 4, 20, 8);  k = i | j;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3], 158, 109, 150, 222);  k = i ^ j;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3], 156, 105, 130, 214);  k = -i;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3],	  -150, -100, -150, -200);  k = ~i;  res.v = k;  verify (res.i[0], res.i[1], res.i[2], res.i[3], -151, -101, -151, -201);  exit (0);}

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