gcc/testsuite/gcc.target/powerpc/pr79799-2.c

   1 /* { dg-do compile { target { powerpc64*-*-* && lp64 } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
   3 /* { dg-require-effective-target powerpc_p9vector_ok } */
   4 /* { dg-options "-mcpu=power9 -O2" } */
   5
   6 #include <altivec.h>
   7
   8 /* Optimize x = vec_insert (vec_extract (v2, N), v1, M) for SFmode if N is the default
   9    scalar position.  */
  10
  11 #if __LITTLE_ENDIAN__
  12 #define ELE 2
  13 #else
  14 #define ELE 1
  15 #endif
  16
  17 vector float
  18 foo (vector float v1, vector float v2)
  19 {
  20   return vec_insert (vec_extract (v2, ELE), v1, 0);
  21 }
  22
  23 /* { dg-final { scan-assembler     {\mxxinsertw\M}   } } */
  24 /* { dg-final { scan-assembler-not {\mxxextractuw\M} } } */
  25 /* { dg-final { scan-assembler-not {\mlvewx\M}       } } */
  26 /* { dg-final { scan-assembler-not {\mlvx\M}         } } */
  27 /* { dg-final { scan-assembler-not {\mvperm\M}       } } */
  28 /* { dg-final { scan-assembler-not {\mvpermr\M}      } } */
  29 /* { dg-final { scan-assembler-not {\mstfs\M}        } } */
  30 /* { dg-final { scan-assembler-not {\mstxssp\M}      } } */
  31 /* { dg-final { scan-assembler-not {\mstxsspx\M}     } } */