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X-Received-From: 2607:f8b0:4864:20::42f Subject: [Qemu-devel] [PATCH v2 48/68] 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- 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 24537fc107..2640f50fcf 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -10749,19 +10749,9 @@ static void disas_thumb_insn(DisasContext *s, uint= 32_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; =20 - case 10: - /* - * 0b1010_xxxx_xxxx_xxxx - * - Add PC/SP (immediate) - */ - rd =3D (insn >> 8) & 7; - val =3D (insn & 0xff) * 4; - tmp =3D add_reg_for_lit(s, insn & (1 << 11) ? 13 : 15, val); - store_reg(s, rd, tmp); - break; - case 11: /* misc */ op =3D (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 =20 @@ -102,3 +103,9 @@ LDRH_ri 10001 ..... ... ... @ldst_r= i_2 =20 STR_ri 10010 ... ........ @ldst_spec_i rn=3D13 LDR_ri 10011 ... ........ @ldst_spec_i rn=3D13 + +# Add PC/SP (immediate) + +ADR 10100 rd:3 ........ imm=3D%imm8_0x4 +ADD_rri 10101 rd:3 ........ \ + &s_rri_rot rn=3D13 s=3D0 rot=3D0 imm=3D%imm8_0x4 # SP --=20 2.17.1