gcc/testsuite/gcc.target/mips/dspr2-MULT.c

   1 /* Test MIPS32 DSP REV 2 MULT instruction.  Tune for a CPU that has
   2    pipelined mult.  */
   3 /* { dg-do compile } */
   4 /* This test requires widening_mul */
   5 /* { dg-options "-mgp32 -mdspr2 -mtune=74kc -fexpensive-optimizations" } */
   6 /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
   7
   8 /* See PR target/51729 for the reason behind the XFAILs.  */
   9 /* { dg-final { scan-assembler "\tmult\t" } } */
  10 /* { dg-final { scan-assembler "\\\$ac1" { xfail *-*-* } } } */
  11 /* { dg-final { scan-assembler "\\\$ac2" { xfail *-*-* } } } */
  12
  13 typedef long long a64;
  14
  15 NOMIPS16 a64 test (a64 *a, int *b, int *c)
  16 {
  17   a[0] = (a64) b[0] * c[0];
  18   a[1] = (a64) b[1] * c[1];
  19 }