gcc/testsuite/gcc.target/riscv/rvv/vsetvl/vlmax_single_block-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "--param=riscv-autovec-preference=scalable -march=rv32gcv -mabi=ilp32" } */
   3
   4 /* Test insert-vsetvl PASS whether it's able to eliminate vsetvl for same vtype in VLMAX.  */
   5
   6 #include "riscv_vector.h"
   7
   8 void foo2 (void * restrict in, void * restrict out)
   9 {
  10   vint16mf4_t v1 = *(vint16mf4_t*)(in + 1);
  11   vint16mf4_t v2 = *(vint16mf4_t*)(in + 2);
  12   vint16mf4_t v3 = *(vint16mf4_t*)(in + 3);
  13   vint16mf4_t v4 = *(vint16mf4_t*)(in + 4);
  14   vint16mf4_t v5 = *(vint16mf4_t*)(in + 5);
  15   vint16mf4_t v6 = *(vint16mf4_t*)(in + 6);
  16   vint16mf4_t v7 = *(vint16mf4_t*)(in + 7);
  17   vint16mf4_t v8 = *(vint16mf4_t*)(in + 8);
  18   *(vint16mf4_t*)(out + 1) = v1;
  19   *(vint16mf4_t*)(out + 2) = v2;
  20   *(vint16mf4_t*)(out + 3) = v3;
  21   *(vint16mf4_t*)(out + 4) = v4;
  22   *(vint16mf4_t*)(out + 5) = v5;
  23   *(vint16mf4_t*)(out + 6) = v6;
  24   *(vint16mf4_t*)(out + 7) = v7;
  25   *(vint16mf4_t*)(out + 8) = v8;
  26 }
  27
  28 void foo3 (void * restrict in, void * restrict out)
  29 {
  30   vint16mf2_t v1 = *(vint16mf2_t*)(in + 1);
  31   vint16mf2_t v2 = *(vint16mf2_t*)(in + 2);
  32   vint16mf2_t v3 = *(vint16mf2_t*)(in + 3);
  33   vint16mf2_t v4 = *(vint16mf2_t*)(in + 4);
  34   vint16mf2_t v5 = *(vint16mf2_t*)(in + 5);
  35   vint16mf2_t v6 = *(vint16mf2_t*)(in + 6);
  36   vint16mf2_t v7 = *(vint16mf2_t*)(in + 7);
  37   vint16mf2_t v8 = *(vint16mf2_t*)(in + 8);
  38   *(vint16mf2_t*)(out + 1) = v1;
  39   *(vint16mf2_t*)(out + 2) = v2;
  40   *(vint16mf2_t*)(out + 3) = v3;
  41   *(vint16mf2_t*)(out + 4) = v4;
  42   *(vint16mf2_t*)(out + 5) = v5;
  43   *(vint16mf2_t*)(out + 6) = v6;
  44   *(vint16mf2_t*)(out + 7) = v7;
  45   *(vint16mf2_t*)(out + 8) = v8;
  46 }
  47
  48 /* { dg-final { scan-assembler-times {vsetvli\s+[a-x0-9]+,\s*zero,\s*e16,\s*mf4,\s*t[au],\s*m[au]} 1 { target { no-opts "-O0" } } } } */
  49 /* { dg-final { scan-assembler-times {vsetvli\s+[a-x0-9]+,\s*zero,\s*e16,\s*mf2,\s*t[au],\s*m[au]} 1 { target { no-opts "-O0" } } } } */