| /* { dg-require-effective-target vect_int } */ |
| |
| #include <stdarg.h> |
| #include "tree-vect.h" |
| |
| #define N 12 |
| |
| struct s{ |
| int m; |
| int n[N][N][N]; |
| }; |
| |
| struct s2{ |
| int m; |
| int n[N-1][N-1][N-1]; |
| }; |
| |
| struct test1{ |
| struct s a; /* array a.n is unaligned */ |
| int b; |
| int c; |
| struct s e; /* array e.n is aligned */ |
| }; |
| |
| struct test2{ |
| struct s2 a; /* array a.n is unaligned */ |
| int b; |
| int c; |
| struct s2 e; /* array e.n is aligned */ |
| }; |
| |
| |
| struct test1 tmp1[4]; |
| struct test2 tmp2[4]; |
| |
| __attribute__ ((noinline)) |
| int main1 () |
| { |
| int i,j; |
| |
| /* 1. unaligned (known misalignment) */ |
| for (i = 0; i < N; i++) |
| { |
| tmp1[2].a.n[1][2][i] = 5; |
| } |
| |
| /* check results: */ |
| for (i = 0; i <N; i++) |
| { |
| if (tmp1[2].a.n[1][2][i] != 5) |
| abort (); |
| } |
| |
| /* 2. aligned */ |
| for (i = 3; i < N-1; i++) |
| { |
| tmp1[2].a.n[1][2][i] = 6; |
| } |
| |
| /* check results: */ |
| for (i = 3; i < N-1; i++) |
| { |
| if (tmp1[2].a.n[1][2][i] != 6) |
| abort (); |
| } |
| |
| /* 3. aligned */ |
| for (i = 0; i < N; i++) |
| { |
| for (j = 0; j < N; j++) |
| { |
| tmp1[2].e.n[1][i][j] = 8; |
| } |
| } |
| |
| /* check results: */ |
| for (i = 0; i < N; i++) |
| { |
| for (j = 0; j < N; j++) |
| { |
| if (tmp1[2].e.n[1][i][j] != 8) |
| abort (); |
| } |
| } |
| |
| /* 4. unaligned (unknown misalignment) */ |
| for (i = 0; i < N-4; i++) |
| { |
| for (j = 0; j < N-4; j++) |
| { |
| tmp2[2].e.n[1][i][j] = 8; |
| } |
| } |
| |
| /* check results: */ |
| for (i = 0; i < N-4; i++) |
| { |
| for (j = 0; j < N-4; j++) |
| { |
| if (tmp2[2].e.n[1][i][j] != 8) |
| abort (); |
| } |
| } |
| |
| return 0; |
| } |
| |
| int main (void) |
| { |
| check_vect (); |
| |
| return main1 (); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" } } */ |
| /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */ |
| /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { xfail {! vector_alignment_reachable} } } } */ |
| /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" { target {! vector_alignment_reachable} } } } */ |
| /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target {! vector_alignment_reachable} } } } */ |
| /* { dg-final { cleanup-tree-dump "vect" } } */ |