| /* { dg-do run } */ |
| /* { dg-options "-O2 -mavx512f -mgfni -mavx512bw" } */ |
| /* { dg-require-effective-target avx512f } */ |
| /* { dg-require-effective-target gfni } */ |
| |
| #define AVX512F |
| |
| #define GFNI |
| #include "avx512f-helper.h" |
| |
| #define SIZE (AVX512F_LEN / 8) |
| |
| #include "avx512f-mask-type.h" |
| |
| static void |
| CALC (unsigned char *r, unsigned char *s1, unsigned char *s2) |
| { |
| for (int i = 0; i < SIZE; i++) |
| { |
| unsigned short result = 0; |
| for (int bit = 0; bit < 8; bit++) |
| { |
| if ((s1[i] >> bit) & 1) |
| { |
| result ^= s2[i] << bit; |
| } |
| } |
| // Reduce result by x^8 + x^4 + x^3 + x + 1 |
| for (int bit = 14; bit > 7; bit--) |
| { |
| unsigned short p = 0x11B << (bit - 8); |
| if ((result >> bit) & 1) |
| result ^= p; |
| } |
| r[i] = result; |
| } |
| } |
| |
| void |
| TEST (void) |
| { |
| int i; |
| UNION_TYPE (AVX512F_LEN, i_b) res1, res2, res3, src1, src2; |
| MASK_TYPE mask = MASK_VALUE; |
| unsigned char res_ref[SIZE]; |
| |
| for (i = 0; i < SIZE; i++) |
| { |
| src1.a[i] = 1 + i; |
| src2.a[i] = 2 + 2*i; |
| } |
| |
| for (i = 0; i < SIZE; i++) |
| { |
| res1.a[i] = DEFAULT_VALUE; |
| res2.a[i] = DEFAULT_VALUE; |
| res3.a[i] = DEFAULT_VALUE; |
| } |
| |
| CALC (res_ref, src1.a, src2.a); |
| |
| res1.x = INTRINSIC (_gf2p8mul_epi8) (src1.x, src2.x); |
| res2.x = INTRINSIC (_mask_gf2p8mul_epi8) (res2.x, mask, src1.x, src2.x); |
| res3.x = INTRINSIC (_maskz_gf2p8mul_epi8) (mask, src1.x, src2.x); |
| |
| if (UNION_CHECK (AVX512F_LEN, i_b) (res1, res_ref)) |
| abort (); |
| |
| MASK_MERGE (i_b) (res_ref, mask, SIZE); |
| if (UNION_CHECK (AVX512F_LEN, i_b) (res2, res_ref)) |
| abort (); |
| |
| MASK_ZERO (i_b) (res_ref, mask, SIZE); |
| if (UNION_CHECK (AVX512F_LEN, i_b) (res3, res_ref)) |
| abort (); |
| } |