diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2024-06-25 11:35:30 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-07-01 15:40:53 +0100 |
| commit | 9130827c4c7976a52dcc70db8beb699a200c35a3 (patch) | |
| tree | 2ca6666075de8f56544e62765765bedac8a713cd | |
| parent | 849b7c1661d1784dad4bb56998ba8952d2c8a5d1 (diff) | |
target/arm: Convert BFDOT to decodetree
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/tcg/a64.decode | 2 | ||||
| -rw-r--r-- | target/arm/tcg/translate-a64.c | 20 |
2 files changed, 7 insertions, 15 deletions
diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 8a0251f83c..6819fd2587 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -950,6 +950,7 @@ SQRDMLSH_v 0.10 1110 ..0 ..... 10001 1 ..... ..... @qrrr_e SDOT_v 0.00 1110 100 ..... 10010 1 ..... ..... @qrrr_s UDOT_v 0.10 1110 100 ..... 10010 1 ..... ..... @qrrr_s USDOT_v 0.00 1110 100 ..... 10011 1 ..... ..... @qrrr_s +BFDOT_v 0.10 1110 010 ..... 11111 1 ..... ..... @qrrr_s ### Advanced SIMD scalar x indexed element @@ -1029,6 +1030,7 @@ SDOT_vi 0.00 1111 10 .. .... 1110 . 0 ..... ..... @qrrx_s UDOT_vi 0.10 1111 10 .. .... 1110 . 0 ..... ..... @qrrx_s SUDOT_vi 0.00 1111 00 .. .... 1111 . 0 ..... ..... @qrrx_s USDOT_vi 0.00 1111 10 .. .... 1111 . 0 ..... ..... @qrrx_s +BFDOT_vi 0.00 1111 01 .. .... 1111 . 0 ..... ..... @qrrx_s # Floating-point conditional select diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 9a658ca876..0f44cd5aee 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -5604,6 +5604,7 @@ static bool do_dot_vector(DisasContext *s, arg_qrrr_e *a, TRANS_FEAT(SDOT_v, aa64_dp, do_dot_vector, a, gen_helper_gvec_sdot_b) TRANS_FEAT(UDOT_v, aa64_dp, do_dot_vector, a, gen_helper_gvec_udot_b) TRANS_FEAT(USDOT_v, aa64_i8mm, do_dot_vector, a, gen_helper_gvec_usdot_b) +TRANS_FEAT(BFDOT_v, aa64_bf16, do_dot_vector, a, gen_helper_gvec_bfdot) /* * Advanced SIMD scalar/vector x indexed element @@ -5942,6 +5943,8 @@ TRANS_FEAT(SUDOT_vi, aa64_i8mm, do_dot_vector_idx, a, gen_helper_gvec_sudot_idx_b) TRANS_FEAT(USDOT_vi, aa64_i8mm, do_dot_vector_idx, a, gen_helper_gvec_usdot_idx_b) +TRANS_FEAT(BFDOT_vi, aa64_bf16, do_dot_vector_idx, a, + gen_helper_gvec_bfdot_idx) /* * Advanced SIMD scalar pairwise @@ -10951,11 +10954,11 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) break; case 0x1f: switch (size) { - case 1: /* BFDOT */ case 3: /* BFMLAL{B,T} */ feature = dc_isar_feature(aa64_bf16, s); break; default: + case 1: /* BFDOT */ unallocated_encoding(s); return; } @@ -11036,9 +11039,6 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) return; case 0xf: switch (size) { - case 1: /* BFDOT */ - gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, 0, gen_helper_gvec_bfdot); - break; case 3: /* BFMLAL{B,T} */ gen_gvec_op4_fpst(s, 1, rd, rn, rm, rd, false, is_q, gen_helper_gvec_bfmlal); @@ -12053,13 +12053,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) break; case 0x0f: switch (size) { - case 1: /* BFDOT */ - if (is_scalar || !dc_isar_feature(aa64_bf16, s)) { - unallocated_encoding(s); - return; - } - size = MO_32; - break; case 3: /* BFMLAL{B,T} */ if (is_scalar || !dc_isar_feature(aa64_bf16, s)) { unallocated_encoding(s); @@ -12070,6 +12063,7 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) break; default: case 0: /* SUDOT */ + case 1: /* BFDOT */ case 2: /* USDOT */ unallocated_encoding(s); return; @@ -12179,10 +12173,6 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) switch (16 * u + opcode) { case 0x0f: switch (extract32(insn, 22, 2)) { - case 1: /* BFDOT */ - gen_gvec_op4_ool(s, is_q, rd, rn, rm, rd, index, - gen_helper_gvec_bfdot_idx); - return; case 3: /* BFMLAL{B,T} */ gen_gvec_op4_fpst(s, 1, rd, rn, rm, rd, 0, (index << 1) | is_q, gen_helper_gvec_bfmlal_idx); |