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/* Test case for SHIFT_COUNT_TRUNCATED on Loongson.  */

/* { dg-do run } */

/* loongson.h does not handle or check for MIPS16ness.  There doesn't

   seem any good reason for it to, given that the Loongson processors

   do not support MIPS16.  */

/* { dg-options "isa=loongson -mhard-float -mno-mips16 -O1" } */

/* See PR 52155.  */

/* { dg-options "isa=loongson -mhard-float -mno-mips16 -O1 -mlong64" { mips*-*-elf* && ilp32 } } */

#include "loongson.h"

#include <assert.h>

typedef union { int32x2_t v; int32_t a[2]; } int32x2_encap_t;

void

main1 (int shift)

{

  int32x2_encap_t s;

  int32x2_encap_t r;

  s.a[0] = 0xffffffff;

  s.a[1] = 0xffffffff;

  /* Loongson SIMD use low-order 7 bits to specify the shift amount.

     Thus V2SI << 0x40 == 0.  The below expression 'shift & 0x3f' will be

     mis-optimized as 'shift', if SHIFT_COUNT_TRUNCATED is nonzero.  */

  r.v = psllw_s (s.v, (shift & 0x3f));

  assert (r.a[0] == 0xffffffff);

  assert (r.a[1] == 0xffffffff);

}

int

main (void)

{

  main1 (0x40);

  return 0;

}