gcc/testsuite/gcc.target/powerpc/fold-vec-insert-char-p8.c

   1 /* Verify that overloaded built-ins for vec_insert () with char
   2    inputs produce the right codegen.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_p8vector_ok } */
   6 /* { dg-options "-O2 -mdejagnu-cpu=power8" } */
   7
   8 /* The below contains vec_insert () calls with both variable and constant
   9  values.  Only the constant value calls are early-gimple folded, but all
  10  are tested for coverage.  */
  11
  12 #include <altivec.h>
  13
  14 vector bool char testub_var (unsigned char x, vector bool char v, signed int i)
  15 {
  16        return vec_insert (x, v, i);
  17 }
  18 vector signed char testss_var (signed char x, vector signed char v, signed int i)
  19 {
  20        return vec_insert (x, v, i);
  21 }
  22 vector unsigned char testsu_var (signed char x, vector unsigned char v, signed int i)
  23 {
  24        return vec_insert (x, v, i);
  25 }
  26 vector unsigned char testuu_var (unsigned char x, vector unsigned char v, signed int i)
  27 {
  28        return vec_insert (x, v, i);
  29 }
  30 vector bool char testub_cst  (unsigned char x, vector bool char v)
  31 {
  32        return vec_insert (x, v, 12);
  33 }
  34 vector signed char testss_cst  (signed char x, vector signed char v)
  35 {
  36        return vec_insert (x, v, 12);
  37 }
  38 vector unsigned char testsu_cst (signed char x, vector unsigned char v)
  39 {
  40        return vec_insert (x, v, 12);
  41 }
  42 vector unsigned char testuu_cst (unsigned char x, vector unsigned char v)
  43 {
  44        return vec_insert (x, v, 12);
  45 }
  46
  47 /* one store per _var test */
  48 /* { dg-final { scan-assembler-times {\mstvx\M|\mstxvw4x\M} 4 } } */
  49 /* one store-byte per test */
  50 /* { dg-final { scan-assembler-times {\mstb\M} 8 } } */
  51 /* one load per test */
  52 /* { dg-final { scan-assembler-times {\mlvx\M|\mlxvw4x\M} 8 } } */
  53
  54 /* one lvebx per _cst test.*/
  55 /* { dg-final { scan-assembler-times {\mlvebx\M} 4 } } */
  56 /* one vperm per _cst test.*/
  57 /* { dg-final { scan-assembler-times {\mvperm\M} 4 } } */
  58