/* { dg-do compile } */ /* { dg-options "-O3 -mavx512fp16 -mavx512vl -ffast-math" } */ /* { dg-final { scan-assembler "vrcpsh.*\n.*vmulsh" } } */ /* { dg-final { scan-assembler "vrcpph.*\n.*vmulph" } } */ /* { dg-final { scan-assembler "vrsqrtsh.*\n.*vmulsh" } } */ /* { dg-final { scan-assembler "vrsqrtph.*\n.*vmulph" } } */ /* { dg-final { scan-assembler-not "vsqrtsh" } } */ /* { dg-final { scan-assembler-not "vsqrtph" } } */ /* { dg-final { scan-assembler-not "vdivsh" } } */ /* { dg-final { scan-assembler-not "vdivph" } } */ #define FAST_ATTR \ __attribute__((noinline, noclone, optimize("fast-math"), target("recip"))) _Float16 FAST_ATTR scalar_hf_rcp_fast (_Float16 a, _Float16 b) { return a / b; } _Float16 FAST_ATTR scalar_hf_rsqrt_fast (_Float16 a, _Float16 b) { return a / __builtin_sqrtf16 (b); } void FAST_ATTR vector_hf_rcp_fast (_Float16 * restrict a, _Float16 * restrict b, _Float16 * restrict c, int n) { int i; for (i = 0; i < n; i++) c[i] = a[i] / b[i]; } void FAST_ATTR vector_hf_rsqrt_fast (_Float16 * restrict a, _Float16 * restrict b, _Float16 * restrict c, int n) { int i; for (i = 0; i < n; i++) c[i] = a[i] / __builtin_sqrtf16(b[i]); }