gcc/testsuite/gcc.dg/compat/struct-align-1.h

   1 /* Define several variants of a struct for which the alignment differs
   2    between powerpc64-linux and powerpc64-aix.  This might be interesting
   3    for other targets as well.  */
   4
   5 #define DESC_orig "original"
   6 struct B1_orig {
   7   char c;
   8   double d;
   9 };
  10
  11 struct A2_orig {
  12   double d;
  13 };
  14
  15 struct B2_orig {
  16   char c;
  17   struct A2_orig a2;
  18 };
  19
  20 struct A3_orig {
  21   double d;
  22   int i;
  23 };
  24
  25 struct B3_orig {
  26   char c;
  27   struct A3_orig a3;
  28 };
  29
  30 #ifndef SKIP_ATTRIBUTE
  31 #define DESC_p_all "packed attribute for all"
  32 struct B1_p_all {
  33   char c;
  34   double d;
  35 } __attribute__ ((packed));
  36
  37 struct A2_p_all {
  38   double d;
  39 } __attribute__ ((packed));
  40
  41 struct B2_p_all {
  42   char c;
  43   struct A2_p_all a2;
  44 } __attribute__ ((packed));
  45
  46 struct A3_p_all {
  47   double d;
  48   int i;
  49 } __attribute__ ((packed));
  50
  51 struct B3_p_all {
  52   char c;
  53   struct A3_p_all a3;
  54 } __attribute__ ((packed));
  55
  56 #define DESC_p_inner "packed attribute for inner"
  57 struct B1_p_inner {
  58   char c;
  59   double d;
  60 };
  61
  62 struct A2_p_inner {
  63   double d;
  64 } __attribute__ ((packed));
  65
  66 struct B2_p_inner {
  67   char c;
  68   struct A2_p_inner a2;
  69 };
  70
  71 struct A3_p_inner {
  72   double d;
  73   int i;
  74 } __attribute__ ((packed));
  75
  76 struct B3_p_inner {
  77   char c;
  78   struct A3_p_inner a3;
  79 };
  80
  81 #define DESC_p_outer "packed attribute for outer"
  82 struct B1_p_outer {
  83   char c;
  84   double d;
  85 } __attribute__ ((packed));
  86
  87 struct A2_p_outer {
  88   double d;
  89 };
  90
  91 struct B2_p_outer {
  92   char c;
  93   struct A2_p_outer a2;
  94 } __attribute__ ((packed));
  95
  96 struct A3_p_outer {
  97   double d;
  98   int i;
  99 };
 100
 101 struct B3_p_outer {
 102   char c;
 103   struct A3_p_outer a3;
 104 } __attribute__ ((packed));
 105
 106 #define DESC_a_max "maximum useful struct alignment for all"
 107 struct B1_a_max {
 108   char c;
 109   double d;
 110 } __attribute__ ((aligned));
 111
 112 struct A2_a_max {
 113   double d;
 114 } __attribute__ ((aligned));
 115
 116 struct B2_a_max {
 117   char c;
 118   struct A2_a_max a2;
 119 } __attribute__ ((aligned));
 120
 121 struct A3_a_max {
 122   double d;
 123   int i;
 124 } __attribute__ ((aligned));
 125
 126 struct B3_a_max {
 127   char c;
 128   struct A3_a_max a3;
 129 } __attribute__ ((aligned));
 130
 131 #define DESC_m_outer_p_inner "maximum alignment for outer, packed inner"
 132 struct B1_m_outer_p_inner {
 133   char c;
 134   double d;
 135 } __attribute__ ((aligned)) __attribute__ ((packed));
 136
 137 struct A2_m_outer_p_inner {
 138   double d;
 139 } __attribute__ ((packed));
 140
 141 struct B2_m_outer_p_inner {
 142   char c;
 143   struct A2_m_outer_p_inner a2;
 144 } __attribute__ ((aligned));
 145
 146 struct A3_m_outer_p_inner {
 147   double d;
 148   int i;
 149 } __attribute__ ((packed));
 150
 151 struct B3_m_outer_p_inner {
 152   char c;
 153   struct A3_m_outer_p_inner a3;
 154 } __attribute__ ((aligned));
 155
 156 #define DESC_m_inner_p_outer "maximum alignment for inner, packed outer"
 157 struct B1_m_inner_p_outer {
 158   char c;
 159   double d;
 160 } __attribute__ ((aligned)) __attribute__ ((packed));
 161
 162 struct A2_m_inner_p_outer {
 163   double d;
 164 } __attribute__ ((aligned));
 165
 166 struct B2_m_inner_p_outer {
 167   char c;
 168   struct A2_m_inner_p_outer a2;
 169 } __attribute__ ((packed));
 170
 171 struct A3_m_inner_p_outer {
 172   double d;
 173   int i;
 174 } __attribute__ ((aligned));
 175
 176 struct B3_m_inner_p_outer {
 177   char c;
 178   struct A3_m_inner_p_outer a3;
 179 } __attribute__ ((packed));
 180 #endif