LXR qemu/tests/tcg/cris/libc/crisutils.h

   1#ifndef CRISUTILS_H
   2#define CRISUTILS_H 1
   3
   4static char *tst_cc_loc = NULL;
   5
   6#define cris_tst_cc_init() \
   7do { tst_cc_loc = "test_cc failed at " CURRENT_LOCATION; } while(0)
   8
   9/* We need a real symbol to signal error.  */
  10void _err(void) {
  11        if (!tst_cc_loc)
  12                tst_cc_loc = "tst_cc_failed\n";
  13        _fail(tst_cc_loc);
  14}
  15
  16static always_inline void cris_tst_cc_n1(void)
  17{
  18        asm volatile ("bpl _err\n"
  19                      "nop\n");
  20}
  21static always_inline void cris_tst_cc_n0(void)
  22{
  23        asm volatile ("bmi _err\n"
  24                      "nop\n");
  25}
  26
  27static always_inline void cris_tst_cc_z1(void)
  28{
  29        asm volatile ("bne _err\n"
  30                      "nop\n");
  31}
  32static always_inline void cris_tst_cc_z0(void)
  33{
  34        asm volatile ("beq _err\n"
  35                      "nop\n");
  36}
  37static always_inline void cris_tst_cc_v1(void)
  38{
  39        asm volatile ("bvc _err\n"
  40                      "nop\n");
  41}
  42static always_inline void cris_tst_cc_v0(void)
  43{
  44        asm volatile ("bvs _err\n"
  45                      "nop\n");
  46}
  47
  48static always_inline void cris_tst_cc_c1(void)
  49{
  50        asm volatile ("bcc _err\n"
  51                      "nop\n");
  52}
  53static always_inline void cris_tst_cc_c0(void)
  54{
  55        asm volatile ("bcs _err\n"
  56                      "nop\n");
  57}
  58
  59static always_inline void cris_tst_mov_cc(int n, int z)
  60{
  61        if (n) cris_tst_cc_n1(); else cris_tst_cc_n0();
  62        if (z) cris_tst_cc_z1(); else cris_tst_cc_z0();
  63        asm volatile ("" : : "g" (_err));
  64}
  65
  66static always_inline void cris_tst_cc(const int n, const int z,
  67                               const int v, const int c)
  68{
  69        if (n) cris_tst_cc_n1(); else cris_tst_cc_n0();
  70        if (z) cris_tst_cc_z1(); else cris_tst_cc_z0();
  71        if (v) cris_tst_cc_v1(); else cris_tst_cc_v0();
  72        if (c) cris_tst_cc_c1(); else cris_tst_cc_c0();
  73        asm volatile ("" : : "g" (_err));
  74}
  75
  76#endif
  77