gcc/testsuite/gcc.target/riscv/rvv/vsetvl/vlmax_phi-23.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-march=rv32gcv -mabi=ilp32" } */
   3
   4 #include "riscv_vector.h"
   5
   6 /* The for loop body should not have vsetvl instruction.  */
   7 void f (void * restrict in, void * restrict out, int n, int cond)
   8 {
   9   switch (cond)
  10   {
  11   case 1:{
  12     vint16mf2_t v = *(vint16mf2_t*)(in + 100);
  13     *(vint16mf2_t*)(out + 100) = v;
  14     break;
  15   }
  16   case 2:{
  17     vint16mf2_t v = *(vint16mf2_t*)(in + 200);
  18     *(vint16mf2_t*)(out + 100) = v;
  19     break;
  20   }
  21   case 3:{
  22     vint16mf2_t v = *(vint16mf2_t*)(in + 300);
  23     *(vint16mf2_t*)(out + 100) = v;
  24     break;
  25   }
  26   default:{
  27     vint16mf2_t v = *(vint16mf2_t*)(in + 400);
  28     *(vint16mf2_t*)(out + 400) = v;
  29     break;
  30   }
  31   }
  32   for (int i = 0; i < n; i++)
  33     {
  34       vint16mf2_t v = *(vint16mf2_t*)(in + i);
  35       *(vint16mf2_t*)(out + i) = v;
  36     }
  37 }
  38
  39 /* { dg-final { scan-assembler-times {vsetvli\s+[a-x0-9]+,\s*zero,\s*e16,\s*mf2,\s*t[au],\s*m[au]} 4 { target { no-opts "-O0"  no-opts "-Os" no-opts "-funroll-loops" no-opts "-g" no-opts "-flto"  } } } } */
  40 /* { dg-final { scan-assembler-times {ble\tra|[sgtf]p|t[0-6]|s[0-9]|s10|s11|a[0-7],zero,.L[0-9]+\s*\.L[0-9]+\:\s*vle16\.v\s+(?:v[0-9]|v[1-2][0-9]|v3[0-1]),0\s*\([a-x0-9]+\)} 1 { target { no-opts "-O0"  no-opts "-Os" no-opts "-funroll-loops" no-opts "-g" no-opts "-flto"  } } } } */