/* { dg-do compile } */ /* { dg-options "-O3 -fno-vect-cost-model" } */ /* Check that we vectorize to a full 128-bit vector for _Float16 and __fp16 types. */ /* Enable ARMv8.2-A+fp16 so we have access to the vector instructions. */ #pragma GCC target ("arch=armv8.2-a+fp16") _Float16 sum_Float16 (_Float16 *__restrict__ __attribute__ ((__aligned__ (16))) a, _Float16 *__restrict__ __attribute__ ((__aligned__ (16))) b, _Float16 *__restrict__ __attribute__ ((__aligned__ (16))) c) { for (int i = 0; i < 256; i++) a[i] = b[i] + c[i]; } _Float16 sum_fp16 (__fp16 *__restrict__ __attribute__ ((__aligned__ (16))) a, __fp16 *__restrict__ __attribute__ ((__aligned__ (16))) b, __fp16 *__restrict__ __attribute__ ((__aligned__ (16))) c) { for (int i = 0; i < 256; i++) a[i] = b[i] + c[i]; } /* Two FADD operations on "8h" data widths, one from sum_Float16, one from sum_fp16. */ /* { dg-final { scan-assembler-times "fadd\tv\[0-9\]\+.8h" 2 } } */