gcc-4.9/gcc/testsuite/gcc.target/mips/mips64-lsa.c


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/* Test MIPS64 DSP instructions - should use LSA instead of LHX */
/* { dg-do compile } */
/* { dg-options "-mabi=64 (HAS_LSA)" } */
/* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */

/* { dg-final { scan-assembler "\tdlsa\t" } } */

NOMIPS16 signed long long test (signed long long *a, int index)
{
  return a[index];
}