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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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Taylor Simpson Check that the value matches opcode_wregs Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-5-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/decode.c | 3 +++ target/hexagon/gen_trans_funcs.py | 5 +++++ target/hexagon/insn.h | 1 + 3 files changed, 9 insertions(+) diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index a4d8500fea..84a3899556 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -366,6 +366,9 @@ static void decode_shuffle_for_execution(Packet *packet) for (flag = false, i = 0; i < last_insn + 1; i++) { int opcode = packet->insn[i].opcode; + g_assert(packet->insn[i].has_pred_dest == + (strstr(opcode_wregs[opcode], "Pd4") || + strstr(opcode_wregs[opcode], "Pe4"))); if ((strstr(opcode_wregs[opcode], "Pd4") || strstr(opcode_wregs[opcode], "Pe4")) && GET_ATTRIB(opcode, A_STORE) == 0) { diff --git a/target/hexagon/gen_trans_funcs.py b/target/hexagon/gen_trans_funcs.py index 1201172dda..9f86b4edbd 100755 --- a/target/hexagon/gen_trans_funcs.py +++ b/target/hexagon/gen_trans_funcs.py @@ -70,6 +70,7 @@ def mark_which_imm_extended(f, tag): ## insn->regno[2] = args->Rt; ## insn->new_read_idx = -1; ## insn->dest_idx = 0; +## insn->has_pred_dest = false; ## return true; ## } ## @@ -88,6 +89,7 @@ def gen_trans_funcs(f): new_read_idx = -1 dest_idx = -1 + has_pred_dest = "false" for regno, (reg_type, reg_id, *_) in enumerate(regs): reg = hex_common.get_register(tag, reg_type, reg_id) f.write(code_fmt(f"""\ @@ -98,6 +100,8 @@ def gen_trans_funcs(f): # dest_idx should be the first destination, so check for -1 if reg.is_written() and dest_idx == -1: dest_idx = regno + if reg_type == "P" and reg.is_written() and not reg.is_read(): + has_pred_dest = "true" if len(imms) != 0: mark_which_imm_extended(f, tag) @@ -121,6 +125,7 @@ def gen_trans_funcs(f): f.write(code_fmt(f"""\ insn->new_read_idx = {new_read_idx}; insn->dest_idx = {dest_idx}; + insn->has_pred_dest = {has_pred_dest}; """)) f.write(textwrap.dedent(f"""\ return true; diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h index a770379958..24dcf7fe9f 100644 --- a/target/hexagon/insn.h +++ b/target/hexagon/insn.h @@ -41,6 +41,7 @@ struct Instruction { uint32_t new_value_producer_slot:4; int32_t new_read_idx; int32_t dest_idx; + bool has_pred_dest; bool part1; /* * cmp-jumps are split into two insns.