gcc/testsuite/gcc.target/arm/pr99724.c

   1 /* PR target/99724 */
   2 /* { dg-do compile } */
   3 /* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mcpu=*" } { "-mcpu=iwmmxt" } } */
   4 /* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mabi=*" } { "-mabi=iwmmxt" } } */
   5 /* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-march=*" } { "-march=iwmmxt" } } */
   6 /* { dg-skip-if "Test is specific to ARM mode" { arm*-*-* } { "-mthumb" } { "" } } */
   7 /* { dg-require-effective-target arm32 } */
   8 /* { dg-require-effective-target arm_iwmmxt_ok } */
   9 /* { dg-options "-O1 -mcpu=iwmmxt" } */
  10
  11 typedef int V __attribute__((vector_size (8)));
  12 struct __attribute__((packed)) S { char a; V b; char c[7]; };
  13
  14 void
  15 foo (V *x)
  16 {
  17   *x = ~*x;
  18 }
  19
  20 void
  21 bar (V *x)
  22 {
  23   *x = -*x;
  24 }
  25
  26 void
  27 baz (V *x, struct S *p)
  28 {
  29   V y = p->b;
  30   *x = y;
  31 }