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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=bcain@quicinc.com; helo=mx0b-0031df01.pphosted.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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1714963517294100005 From: Taylor Simpson Check that the value matches opcode_reginfo Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-3-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/decode.c | 2 ++ target/hexagon/gen_trans_funcs.py | 15 ++++++++++----- target/hexagon/insn.h | 3 ++- target/hexagon/mmvec/decode_ext_mmvec.c | 2 ++ 4 files changed, 16 insertions(+), 6 deletions(-) diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index a40210ca1e..4595e30384 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -131,6 +131,8 @@ decode_fill_newvalue_regno(Packet *packet) use_regidx =3D strchr(opcode_reginfo[use_opcode], 's') - opcode_reginfo[use_opcode]; } + g_assert(packet->insn[i].new_read_idx !=3D -1 && + packet->insn[i].new_read_idx =3D=3D use_regidx); =20 /* * What's encoded at the N-field is the offset to who's produc= ing diff --git a/target/hexagon/gen_trans_funcs.py b/target/hexagon/gen_trans_f= uncs.py index 53e844a44b..8acecdb993 100755 --- a/target/hexagon/gen_trans_funcs.py +++ b/target/hexagon/gen_trans_funcs.py @@ -68,6 +68,7 @@ def mark_which_imm_extended(f, tag): ## insn->regno[0] =3D args->Rd; ## insn->regno[1] =3D args->Rs; ## insn->regno[2] =3D args->Rt; +## insn->new_read_idx =3D -1; ## return true; ## } ## @@ -84,14 +85,14 @@ def gen_trans_funcs(f): insn->opcode =3D {tag}; """)) =20 - regno =3D 0 - for reg in regs: - reg_type =3D reg[0] - reg_id =3D reg[1] + new_read_idx =3D -1 + for regno, (reg_type, reg_id, *_) in enumerate(regs): + reg =3D hex_common.get_register(tag, reg_type, reg_id) f.write(code_fmt(f"""\ insn->regno[{regno}] =3D args->{reg_type}{reg_id}; """)) - regno +=3D 1 + if reg.is_read() and reg.is_new(): + new_read_idx =3D regno =20 if len(imms) !=3D 0: mark_which_imm_extended(f, tag) @@ -112,6 +113,9 @@ def gen_trans_funcs(f): insn->immed[{immno}] =3D args->{imm_type}{imm_letter}; """)) =20 + f.write(code_fmt(f"""\ + insn->new_read_idx =3D {new_read_idx}; + """)) f.write(textwrap.dedent(f"""\ return true; {close_curly} @@ -120,5 +124,6 @@ def gen_trans_funcs(f): =20 if __name__ =3D=3D "__main__": hex_common.read_semantics_file(sys.argv[1]) + hex_common.init_registers() with open(sys.argv[2], "w") as f: gen_trans_funcs(f) diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h index 3e7a22c91e..36502bf056 100644 --- a/target/hexagon/insn.h +++ b/target/hexagon/insn.h @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2022 Qualcomm Innovation Center, Inc. All Rights Res= erved. + * Copyright(c) 2019-2024 Qualcomm Innovation Center, Inc. All Rights Res= erved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -39,6 +39,7 @@ struct Instruction { uint32_t slot:3; uint32_t which_extended:1; /* If has an extender, which immediate */ uint32_t new_value_producer_slot:4; + int32_t new_read_idx; =20 bool part1; /* * cmp-jumps are split into two insns. diff --git a/target/hexagon/mmvec/decode_ext_mmvec.c b/target/hexagon/mmvec= /decode_ext_mmvec.c index 202d84c7c0..e9007f5d71 100644 --- a/target/hexagon/mmvec/decode_ext_mmvec.c +++ b/target/hexagon/mmvec/decode_ext_mmvec.c @@ -41,6 +41,8 @@ check_new_value(Packet *pkt) GET_ATTRIB(use_opcode, A_STORE)) { int use_regidx =3D strchr(opcode_reginfo[use_opcode], 's') - opcode_reginfo[use_opcode]; + g_assert(pkt->insn[i].new_read_idx !=3D -1 && + pkt->insn[i].new_read_idx =3D=3D use_regidx); /* * What's encoded at the N-field is the offset to who's produc= ing * the value. --=20 2.25.1