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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2076afe9c61sm5635915ad.231.2024.09.11.19.41.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 19:41:31 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v3 17/29] target/arm: Convert handle_vec_simd_shli to decodetree Date: Wed, 11 Sep 2024 19:41:02 -0700 Message-ID: <20240912024114.1097832-18-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240912024114.1097832-1-richard.henderson@linaro.org> References: <20240912024114.1097832-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org This includes SHL and SLI. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 33 +++------------------------------ target/arm/tcg/a64.decode | 15 +++++++++++++++ 2 files changed, 18 insertions(+), 30 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 5c76cdf101..1225aac665 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -6980,6 +6980,8 @@ TRANS(URSHR_v, do_vec_shift_imm, a, gen_gvec_urshr) TRANS(SRSRA_v, do_vec_shift_imm, a, gen_gvec_srsra) TRANS(URSRA_v, do_vec_shift_imm, a, gen_gvec_ursra) TRANS(SRI_v, do_vec_shift_imm, a, gen_gvec_sri) +TRANS(SHL_v, do_vec_shift_imm, a, tcg_gen_gvec_shli) +TRANS(SLI_v, do_vec_shift_imm, a, gen_gvec_sli); /* Shift a TCGv src by TCGv shift_amount, put result in dst. * Note that it is the caller's responsibility to ensure that the @@ -10445,33 +10447,6 @@ static void disas_simd_scalar_two_reg_misc(DisasContext *s, uint32_t insn) } } -/* SHL/SLI - Vector shift left */ -static void handle_vec_simd_shli(DisasContext *s, bool is_q, bool insert, - int immh, int immb, int opcode, int rn, int rd) -{ - int size = 32 - clz32(immh) - 1; - int immhb = immh << 3 | immb; - int shift = immhb - (8 << size); - - /* Range of size is limited by decode: immh is a non-zero 4 bit field */ - assert(size >= 0 && size <= 3); - - if (extract32(immh, 3, 1) && !is_q) { - unallocated_encoding(s); - return; - } - - if (!fp_access_check(s)) { - return; - } - - if (insert) { - gen_gvec_fn2i(s, is_q, rd, rn, shift, gen_gvec_sli, size); - } else { - gen_gvec_fn2i(s, is_q, rd, rn, shift, tcg_gen_gvec_shli, size); - } -} - /* USHLL/SHLL - Vector shift left with widening */ static void handle_vec_simd_wshli(DisasContext *s, bool is_q, bool is_u, int immh, int immb, int opcode, int rn, int rd) @@ -10585,9 +10560,6 @@ static void disas_simd_shift_imm(DisasContext *s, uint32_t insn) } switch (opcode) { - case 0x0a: /* SHL / SLI */ - handle_vec_simd_shli(s, is_q, is_u, immh, immb, opcode, rn, rd); - break; case 0x10: /* SHRN */ case 0x11: /* RSHRN / SQRSHRUN */ if (is_u) { @@ -10628,6 +10600,7 @@ static void disas_simd_shift_imm(DisasContext *s, uint32_t insn) case 0x04: /* SRSHR / URSHR (rounding) */ case 0x06: /* SRSRA / URSRA (accum + rounding) */ case 0x08: /* SRI */ + case 0x0a: /* SHL / SLI */ unallocated_encoding(s); return; } diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 74ba1fa07c..77b860a3f2 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -1205,6 +1205,11 @@ FMOVI_s 0001 1110 .. 1 imm:8 100 00000 rd:5 esz=%esz_hsd @q_shri_d . 1 .. ..... 1 ...... ..... . rn:5 rd:5 \ &qrri_e esz=3 imm=%neon_rshift_i6 q=1 +@q_shli_b . q:1 .. ..... 0001 imm:3 ..... . rn:5 rd:5 &qrri_e esz=0 +@q_shli_h . q:1 .. ..... 001 imm:4 ..... . rn:5 rd:5 &qrri_e esz=1 +@q_shli_s . q:1 .. ..... 01 imm:5 ..... . rn:5 rd:5 &qrri_e esz=2 +@q_shli_d . 1 .. ..... 1 imm:6 ..... . rn:5 rd:5 &qrri_e esz=3 q=1 + FMOVI_v_h 0 q:1 00 1111 00000 ... 1111 11 ..... rd:5 %abcdefgh # MOVI, MVNI, ORR, BIC, FMOV are all intermixed via cmode. @@ -1254,3 +1259,13 @@ SRI_v 0.10 11110 .... ... 01000 1 ..... ..... @q_shri_b SRI_v 0.10 11110 .... ... 01000 1 ..... ..... @q_shri_h SRI_v 0.10 11110 .... ... 01000 1 ..... ..... @q_shri_s SRI_v 0.10 11110 .... ... 01000 1 ..... ..... @q_shri_d + +SHL_v 0.00 11110 .... ... 01010 1 ..... ..... @q_shli_b +SHL_v 0.00 11110 .... ... 01010 1 ..... ..... @q_shli_h +SHL_v 0.00 11110 .... ... 01010 1 ..... ..... @q_shli_s +SHL_v 0.00 11110 .... ... 01010 1 ..... ..... @q_shli_d + +SLI_v 0.10 11110 .... ... 01010 1 ..... ..... @q_shli_b +SLI_v 0.10 11110 .... ... 01010 1 ..... ..... @q_shli_h +SLI_v 0.10 11110 .... ... 01010 1 ..... ..... @q_shli_s +SLI_v 0.10 11110 .... ... 01010 1 ..... ..... @q_shli_d