gcc/testsuite/gcc.target/powerpc/fold-vec-extract-double.p7.c

   1 /* Verify that overloaded built-ins for vec_extract() with
   2    double inputs produce the right code.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_altivec_ok } */
   6 /* { dg-options "-mdejagnu-cpu=power7 -O2" } */
   7 /* { dg-additional-options "-mbig-endian" { target powerpc*-*-linux* } } */
   8
   9 // targeting P7 (BE), 2 tests.
  10 // P7 constants: xxpermdi
  11 // P7 variables: li, addi, rldic, addi, stxvd2x, lfdx
  12
  13 /* { dg-final { scan-assembler-times {\mxxpermdi\M} 1 } } */
  14 /* { dg-final { scan-assembler-times {\mli\M} 1 } } */
  15 /* -m32 target has an 'add' in place of one of the 'addi'. */
  16 /* { dg-final { scan-assembler-times {\maddi\M|\madd\M} 2 { target lp64 } } } */
  17 /* { dg-final { scan-assembler-times {\maddi\M|\madd\M} 3 { target ilp32 } } } */
  18 /* -m32 target has a rlwinm in place of a rldic .  */
  19 /* { dg-final { scan-assembler-times {\mrldic\M|\mrlwinm\M} 1 } } */
  20 /* { dg-final { scan-assembler-times {\mstxvd2x\M} 1 } } */
  21 /* { dg-final { scan-assembler-times {\mlfdx\M|\mlfd\M} 1 } } */
  22
  23 #include <altivec.h>
  24
  25 double
  26 testd_var (vector double vd2, signed int si)
  27 {
  28   return vec_extract (vd2, si);
  29 }
  30
  31 double
  32 testd_cst (vector double vd2)
  33 {
  34   return vec_extract (vd2, 1);
  35 }
  36