Viewing file:  avx512fp16-vreducesh-1b.c (2.08 KB) -rw-r--r--
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/* { dg-do run { target avx512fp16 } } */
/* { dg-options "-O2 -mavx512fp16 -mavx512dq" } */
#define AVX512FP16
#include "avx512fp16-helper.h"
#define N_ELEMS 8
V512 borrow_reduce_ps(V512 v, int imm8)
{
V512 temp;
switch (imm8)
{
case 1: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 1);break;
case 2: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 2);break;
case 3: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 3);break;
case 4: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 4);break;
case 5: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 5);break;
case 6: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 6);break;
case 7: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 7);break;
case 8: temp.zmm = _mm512_mask_reduce_ps (v.zmm, 0xffff, v.zmm, 8);break;
}
return temp;
}
void NOINLINE
emulate_reduce_sh(V512 * dest, V512 op1,
__mmask32 k, int imm8, int zero_mask)
{
V512 v1, v2, v3, v4, v5, v6, v7, v8;
V512 t1;
int i;
unpack_ph_2twops(op1, &v1, &v2);
unpack_ph_2twops(*dest, &v7, &v8);
t1 = borrow_reduce_ps(v1, imm8);
if ((k&1) || !k)
v5.f32[0] = t1.f32[0];
else if (zero_mask)
v5.f32[0] = 0;
else
v5.f32[0] = v7.f32[0];
for (i = 1; i < 8; i++)
v5.f32[i] = v1.f32[i];
*dest = pack_twops_2ph(v5, v6);
}
void
test_512 (void)
{
V512 res;
V512 exp;
init_src();
emulate_reduce_sh(&exp, src1, 0x1, 8, 0);
res.xmmh[0] = _mm_reduce_round_sh(src1.xmmh[0], exp.xmmh[0], 8, _ROUND_CUR);
check_results(&res, &exp, N_ELEMS, "_mm_reduce_round_sh");
init_dest(&res, &exp);
emulate_reduce_sh(&exp, src1, 0x1, 7, 0);
res.xmmh[0] = _mm_mask_reduce_round_sh(res.xmmh[0], 0x1, src1.xmmh[0], exp.xmmh[0], 7, _ROUND_CUR);
check_results(&res, &exp, N_ELEMS, "_mm_mask_reduce_round_sh");
emulate_reduce_sh(&exp, src1, 0x3, 6, 1);
res.xmmh[0] = _mm_maskz_reduce_round_sh(0x3, src1.xmmh[0], exp.xmmh[0], 6, _ROUND_CUR);
check_results(&res, &exp, N_ELEMS, "_mm_maskz_reduce_round_sh");
if (n_errs != 0) {
abort ();
}
}
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