gcc/testsuite/gcc.target/powerpc/pr47862.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
   5 /* { dg-options "-O2 -mcpu=power7" } */
   6 /* { dg-final { scan-assembler-not "stfd" } } */
   7
   8 /* PR 47862: Verify caller-save spill of vectors in FP regs do not use
   9    legacy FP insns, which spill only half the vector.  */
  10 extern vector double dd[15];
  11 void bar (void);
  12
  13 vector double foo() {
  14   vector double a,b,c,d,e,f,g,h,i,j,k,l,m,n;
  15
  16   a=dd[1]; b=dd[2]; c=dd[3]; d=dd[4]; e=dd[5]; f=dd[6]; g=dd[7]; h=dd[8]; i=dd[9];
  17   j=dd[10]; k=dd[11]; l=dd[12]; m=dd[13]; n=dd[14];
  18   bar();
  19   return (a+b+c+d+e+f+g+h+i+j+k+l+m+n);
  20 }
  21