gcc/testsuite/gcc.target/powerpc/fold-vec-extract-double.p9.c

   1 /* Verify that overloaded built-ins for vec_extract() with
   2    double inputs produce the right code.  */
   3
   4 /* { dg-do compile { target { p9vector_hw } } } */
   5 /* { dg-require-effective-target p9vector_hw } */
   6 /* { dg-options "-mdejagnu-cpu=power9 -O2 " } */
   7
   8 /* { dg-final { scan-assembler-times {\mxxlor\M} 2 { target lp64} } } */
   9 /* { dg-final { scan-assembler-times {\mrldic\M} 1 { target lp64} } } */
  10 /* { dg-final { scan-assembler-times {\mmtvsrdd\M} 1 { target lp64} } } */
  11 /* { dg-final { scan-assembler-times {\mvslo\M} 1 { target lp64} } } */
  12
  13 #include <altivec.h>
  14
  15 double
  16 testd_var (vector double vd2, signed int si)
  17 {
  18   return vec_extract (vd2, si);
  19 }
  20
  21 #ifdef __BIG_ENDIAN__
  22 #define LEFTMOST_ELEMENT_INDEX 0
  23 #else
  24 #define LEFTMOST_ELEMENT_INDEX 1
  25 #endif
  26
  27 double
  28 testd_cst (vector double vd2)
  29 {
  30   return vec_extract (vd2, LEFTMOST_ELEMENT_INDEX);
  31 }
  32