old-autovect-branch/gcc/testsuite/gcc.dg/torture/mips-hilo-1.c

   1 /* f1 checks that an mtlo is not moved before an mfhi.  f2 does the same
   2    for an mthi and an mflo.  */
   3 /* { dg-do run { target mips*-*-* } } */
   4 /* { dg-options "-mtune=rm7000" } */
   5
   6 extern void abort (void);
   7 extern void exit (int);
   8
   9 #if !defined(__mips16)
  10
  11 #define DECLARE(TYPE)                                                   \
  12   TYPE __attribute__ ((noinline))                                       \
  13   f1##TYPE (TYPE x1, TYPE x2, TYPE x3)                                  \
  14   {                                                                     \
  15     TYPE t1, t2;                                                        \
  16                                                                         \
  17     asm ("mult\t%1,%2" : "=h" (t1) : "d" (x1), "d" (x2) : "lo");        \
  18     asm ("mflo\t%0" : "=r" (t2) : "l" (x3) : "hi");                     \
  19     return t1 + t2;                                                     \
  20   }                                                                     \
  21                                                                         \
  22   TYPE __attribute__ ((noinline))                                       \
  23   f2##TYPE (TYPE x1, TYPE x2, TYPE x3)                                  \
  24   {                                                                     \
  25     TYPE t1, t2;                                                        \
  26                                                                         \
  27     asm ("mult\t%1,%2" : "=l" (t1) : "d" (x1), "d" (x2) : "hi");        \
  28     asm ("mfhi\t%0" : "=r" (t2) : "h" (x3) : "lo");                     \
  29     return t1 + t2;                                                     \
  30   }
  31
  32 #define TEST(TYPE)                                                      \
  33   if (f1##TYPE (1, 2, 10) != 10)                                        \
  34     abort ();                                                           \
  35   if (f2##TYPE (1, 2, 40) != 42)                                        \
  36     abort ()
  37
  38 typedef char c;
  39 typedef signed char sc;
  40 typedef unsigned char uc;
  41 typedef short s;
  42 typedef unsigned short us;
  43 typedef int i;
  44 typedef unsigned int ui;
  45 typedef long long ll;
  46 typedef unsigned long long ull;
  47
  48 DECLARE (c)
  49 DECLARE (sc)
  50 DECLARE (uc)
  51 DECLARE (s)
  52 DECLARE (us)
  53 DECLARE (i)
  54 DECLARE (ui)
  55 #if defined (__mips64)
  56 DECLARE (ll)
  57 DECLARE (ull)
  58 #endif
  59
  60 int
  61 main ()
  62 {
  63   TEST (c);
  64   TEST (sc);
  65   TEST (uc);
  66   TEST (s);
  67   TEST (us);
  68   TEST (i);
  69   TEST (ui);
  70 #if defined (__mips64)
  71   TEST (ll);
  72   TEST (ull);
  73 #endif
  74   exit (0);
  75 }
  76 #else
  77 int main () { exit (0); }
  78 #endif