none/tests/mips32/block_size.c

   1 #include <stdio.h>
   2
   3 __attribute__((noinline)) int test_block_size1 ()
   4 {
   5    int result = 1;
   6    __asm__ __volatile__(
   7          ".set noreorder"      "\n\t"
   8          ".set nomacro"        "\n\t"
   9          "b begin1"            "\n\t"
  10          "nop"                 "\n\t"
  11          "begin1:"             "\n\t"
  12          ".rept 56"            "\n\t"
  13          ".word 0"             "\n\t"
  14          ".endr"               "\n\t"
  15          "li $4, 0"            "\n\t"
  16          "j end1"              "\n\t"
  17          "nop"                 "\n\t"
  18          "b label1"            "\n\t"
  19          "nop"                 "\n\t"
  20          "label1:"             "\n\t"
  21          "li $4, 1"            "\n\t"
  22          "end1:"               "\n\t"
  23          "move %0, $4"         "\n\t"
  24          ".set reorder"        "\n\t"
  25          ".set macro"          "\n\t"
  26          : /*out*/ "=r" (result)
  27          : /*in*/
  28          : /*trash*/ "$4");
  29    return result;
  30 }
  31
  32 __attribute__((noinline)) int test_block_size2 ()
  33 {
  34    int result = 1;
  35    __asm__ __volatile__(
  36          ".set noreorder"      "\n\t"
  37          ".set nomacro"        "\n\t"
  38          "b begin2"            "\n\t"
  39          "nop"                 "\n\t"
  40          "begin2:"             "\n\t"
  41          ".rept 58"            "\n\t"
  42          ".word 0"             "\n\t"
  43          ".endr"               "\n\t"
  44          "li $4, 1"            "\n\t"
  45          "j end2"              "\n\t"
  46          "li $4, 0"            "\n\t"
  47          "end2:"               "\n\t"
  48          "move %0, $4"         "\n\t"
  49          ".set reorder"        "\n\t"
  50          ".set macro"          "\n\t"
  51          : /*out*/ "=r" (result)
  52          : /*in*/
  53          : /*trash*/ "$4");
  54    return result;
  55 }
  56
  57 int main ()
  58 {
  59    /*******************TEST1*******************/
  60    if (test_block_size1() == 0)
  61       printf("test1 - PASS\n");
  62    else
  63       printf("test1 - FAIL\n");
  64
  65    /*******************TEST2*******************/
  66    if (test_block_size2() == 0)
  67       printf("test2 - PASS\n");
  68    else
  69       printf("test2 - FAIL\n");
  70    return 0;
  71 }