| /* { dg-do compile } */ |
| /* { dg-require-effective-target supports_stack_clash_protection } */ |
| /* { dg-options "-O3 -fopenmp-simd -march=armv8-a+sve -fstack-clash-protection --param stack-clash-protection-guard-size=16" } */ |
| |
| /* Invoke X (P##n) for n in [0, 7]. */ |
| #define REPEAT8(X, P) \ |
| X (P##0) X (P##1) X (P##2) X (P##3) X (P##4) X (P##5) X (P##6) X (P##7) |
| |
| /* Invoke X (n) for all octal n in [0, 39]. */ |
| #define REPEAT40(X) \ |
| REPEAT8 (X, 0) REPEAT8 (X, 1) REPEAT8 (X, 2) REPEAT8 (X, 3) REPEAT8 (X, 4) |
| |
| /* Expect vector work to be done, with spilling of vector registers. */ |
| void |
| f2 (int x[40][100], int *y) |
| { |
| /* Try to force some spilling. */ |
| #define DECLARE(N) int y##N = y[N]; |
| REPEAT40 (DECLARE); |
| #pragma omp simd |
| for (int i = 0; i < 100; ++i) |
| { |
| #define INC(N) x[N][i] += y##N; |
| REPEAT40 (INC); |
| } |
| } |
| |
| /* SVE spill, requires probing as vector size is unknown at compile time. */ |
| |
| /* { dg-final { scan-assembler-times {str\s+xzr, \[sp, 0\]} 1 } } */ |
| /* { dg-final { scan-assembler-times {cmp\s+x[0-9]+, 61440} 1 } } */ |
| /* { dg-final { scan-assembler-times {sub\s+x[0-9]+, x[0-9]+, 61440} 1 } } */ |
