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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id f6sm18999174pga.50.2019.09.04.12.32.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2019 12:32:02 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 4 Sep 2019 12:30:39 -0700 Message-Id: <20190904193059.26202-50-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190904193059.26202-1-richard.henderson@linaro.org> References: <20190904193059.26202-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::62d Subject: [Qemu-devel] [PATCH v4 49/69] target/arm: Convert T16 add pc/sp (immediate) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/translate.c | 12 +----------- target/arm/t16.decode | 7 +++++++ 2 files changed, 8 insertions(+), 11 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 4ae73d1c92..d8a4c7bf99 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10868,19 +10868,9 @@ static void disas_thumb_insn(DisasContext *s, uint32_t insn) case 7: /* load/store byte immediate offset, in decodetree */ case 8: /* load/store halfword immediate offset, in decodetree */ case 9: /* load/store from stack, in decodetree */ + case 10: /* add PC/SP (immediate), in decodetree */ goto illegal_op; - case 10: - /* - * 0b1010_xxxx_xxxx_xxxx - * - Add PC/SP (immediate) - */ - rd = (insn >> 8) & 7; - val = (insn & 0xff) * 4; - tmp = add_reg_for_lit(s, insn & (1 << 11) ? 13 : 15, val); - store_reg(s, rd, tmp); - break; - case 11: /* misc */ op = (insn >> 8) & 0xf; diff --git a/target/arm/t16.decode b/target/arm/t16.decode index 1cf79789ac..71b3e8f02e 100644 --- a/target/arm/t16.decode +++ b/target/arm/t16.decode @@ -23,6 +23,7 @@ &s_rrr_shr !extern s rn rd rm rs shty &s_rri_rot !extern s rn rd imm rot &s_rrrr !extern s rd rn rm ra +&ri !extern rd imm &ldst_rr !extern p w u rn rt rm shimm shtype &ldst_ri !extern p w u rn rt imm @@ -102,3 +103,9 @@ LDRH_ri 10001 ..... ... ... @ldst_ri_2 STR_ri 10010 ... ........ @ldst_spec_i rn=13 LDR_ri 10011 ... ........ @ldst_spec_i rn=13 + +# Add PC/SP (immediate) + +ADR 10100 rd:3 ........ imm=%imm8_0x4 +ADD_rri 10101 rd:3 ........ \ + &s_rri_rot rn=13 s=0 rot=0 imm=%imm8_0x4 # SP -- 2.17.1