| /* { dg-do compile } */ |
| /* { dg-options "-O2 -ftree-vectorize" } */ |
| |
| #define TYPE int |
| #define SIZE 257 |
| |
| void __attribute__ ((weak)) |
| f (TYPE *x, TYPE *y, unsigned short n, long m __attribute__((unused))) |
| { |
| for (int i = 0; i < SIZE; ++i) |
| x[i * n] += y[i * n]; |
| } |
| |
| /* { dg-final { scan-assembler {\tld1w\tz[0-9]+} } } */ |
| /* { dg-final { scan-assembler {\tst1w\tz[0-9]+} } } */ |
| /* { dg-final { scan-assembler {\tldr\tw[0-9]+} } } */ |
| /* { dg-final { scan-assembler {\tstr\tw[0-9]+} } } */ |
| /* Should use a WAR check that multiplies by (VF-2)*4 rather than |
| an overlap check that multiplies by (257-1)*4. */ |
| /* { dg-final { scan-assembler {\tcntb\t(x[0-9]+)\n.*\tsub\tx[0-9]+, \1, #8\n.*\tmul\tx[0-9]+,[^\n]*\1} } } */ |
| /* One range check and a check for n being zero. */ |
| /* { dg-final { scan-assembler-times {\t(?:cmp|tst)\t} 1 } } */ |
| /* { dg-final { scan-assembler-times {\tccmp\t} 1 } } */ |
