gcc/testsuite/gcc.target/i386/vararg-8.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #include <stdarg.h>
   6 #include <assert.h>
   7
   8 #include "sse2-check.h"
   9
  10 struct m128
  11 {
  12   __m128 v;
  13 };
  14
  15 struct m128 n1 = { { -283.3, -23.3, 213.4, 1119.03 } };
  16 __m128d n2 = { -93.83, 893.318 };
  17 __m128i n3 = { 893, -3180 } ;
  18 int n4 = 324;
  19 double n5 = 103.3;
  20 __m128i n6 = { -123, 2 };
  21 __m128d n7 = { -91.387, -8193.518 };
  22 struct m128 n8 = { { -123.3, 2.3, 3.4, -10.03 } };
  23 __m128i n9 = { 1233, -100 };
  24 int n10 = 407;
  25 double n11 = 304.9;
  26 __m128i n12 = { 233, -110 };
  27 __m128i n13 = { -393, -180 };
  28 __m128d n14 = { 73.0, 63.18 };
  29 struct m128 n15 = { { -183.3, 22.3, 13.4, -19.03 } };
  30
  31 struct m128 e1;
  32 __m128d e2;
  33 __m128i e3;
  34 int e4;
  35 double e5;
  36 __m128i e6;
  37 __m128d e7;
  38 struct m128 e8;
  39 __m128i e9;
  40 int e10;
  41 double e11;
  42 __m128i e12;
  43 __m128i e13;
  44 __m128d e14;
  45 struct m128 e15;
  46
  47 static void
  48 __attribute__((noinline))
  49 foo (va_list va_arglist)
  50 {
  51   e4 = va_arg (va_arglist, int);
  52   e5 = va_arg (va_arglist, double);
  53   e6 = va_arg (va_arglist, __m128i);
  54   e7 = va_arg (va_arglist, __m128d);
  55   e8 = va_arg (va_arglist, struct m128);
  56   e9 = va_arg (va_arglist, __m128i);
  57   e10 = va_arg (va_arglist, int);
  58   e11 = va_arg (va_arglist, double);
  59   e12 = va_arg (va_arglist, __m128i);
  60   e13 = va_arg (va_arglist, __m128i);
  61   e14 = va_arg (va_arglist, __m128d);
  62   e15 = va_arg (va_arglist, struct m128);
  63 }
  64
  65 static void
  66 __attribute__((noinline))
  67 test (struct m128 a1, __m128d a2, __m128i a3, ...)
  68 {
  69   va_list va_arglist;
  70
  71   e1 = a1;
  72   e2 = a2;
  73   e3 = a3;
  74   va_start (va_arglist, a3);
  75   foo (va_arglist);
  76   va_end (va_arglist);
  77 }
  78
  79 static void
  80 sse2_test (void)
  81 {
  82   test (n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12, n13, n14, n15);
  83   assert (__builtin_memcmp (&e1, &n1, sizeof (e1)) == 0);
  84   assert (__builtin_memcmp (&e2, &n2, sizeof (e2)) == 0);
  85   assert (__builtin_memcmp (&e3, &n3, sizeof (e3)) == 0);
  86   assert (n4 == e4);
  87   assert (n5 == e5);
  88   assert (__builtin_memcmp (&e6, &n6, sizeof (e6)) == 0);
  89   assert (__builtin_memcmp (&e7, &n7, sizeof (e7)) == 0);
  90   assert (__builtin_memcmp (&e8, &n8, sizeof (e8)) == 0);
  91   assert (__builtin_memcmp (&e9, &n9, sizeof (e9)) == 0);
  92   assert (n10 == e10);
  93   assert (n11 == e11);
  94   assert (__builtin_memcmp (&e12, &n12, sizeof (e12)) == 0);
  95   assert (__builtin_memcmp (&e13, &n13, sizeof (e13)) == 0);
  96   assert (__builtin_memcmp (&e14, &n14, sizeof (e14)) == 0);
  97   assert (__builtin_memcmp (&e15, &n15, sizeof (e15)) == 0);
  98 }