gcc-4_9/gcc/testsuite/gcc.target/mips/dspr2-MULTU.c

   1 /* Test MIPS32 DSP REV 2 MULTU instruction.  Tune for a CPU that has
   2    pipelined multu.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-mgp32 -mdspr2 -mtune=74kc" } */
   5 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
   6
   7 /* See PR target/51729 for the reason behind the XFAILs.  */
   8 /* { dg-final { scan-assembler "\t(multu|muhu)\t" } } */
   9 /* { dg-final { scan-assembler "\\\$ac1" { xfail *-*-* } } } */
  10 /* { dg-final { scan-assembler "\\\$ac2" { xfail *-*-* } } } */
  11
  12 typedef unsigned long long a64;
  13
  14 NOMIPS16 a64 test (a64 *a, unsigned int *b, unsigned int *c)
  15 {
  16   a[0] = (a64) b[0] * c[0];
  17   a[1] = (a64) b[1] * c[1];
  18 }