gcc/testsuite/gcc.target/sh/pr54089-3.c

   1 /* The dynamic shift library functions truncate the shift count to 5 bits.
   2    Verify that this is taken into account and no extra shift count
   3    truncations are generated before the library call.  */
   4 /* { dg-do compile { target "sh*-*-*" } } */
   5 /* { dg-options "-O1" } */
   6 /* { dg-skip-if "" { "sh*-*-*" } { "*" } { "-m1*" "-m2" "-m2e*" } } */
   7 /* { dg-final { scan-assembler-not "and" } } */
   8 /* { dg-final { scan-assembler-not "31" } } */
   9
  10 int
  11 test00 (unsigned int a, int* b, int c, int* d, unsigned int e)
  12 {
  13   int s = 0;
  14   int i;
  15   for (i = 0; i < c; ++i)
  16     s += d[i] + b[i] + (e << (i & 31));
  17   return s;
  18 }
  19
  20 int
  21 test01 (unsigned int a, int* b, int c, int* d, unsigned int e)
  22 {
  23   int s = 0;
  24   int i;
  25   for (i = 0; i < c; ++i)
  26     s += d[i] + b[i] + (e >> (i & 31));
  27   return s;
  28 }
  29
  30 int
  31 test03 (unsigned int a, unsigned int b)
  32 {
  33   return b << (a & 31);
  34 }
  35
  36 unsigned int
  37 test04 (unsigned int a, int b)
  38 {
  39   return a >> (b & 31);
  40 }