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Hexagon (target/hexagon) Mark has_pred_dest in trans functions
Check that the value matches opcode_wregs Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com> Reviewed-by: Brian Cain <bcain@quicinc.com> Message-Id: <20240307032327.4799-5-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain <bcain@quicinc.com>
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@ -366,6 +366,9 @@ static void decode_shuffle_for_execution(Packet *packet)
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for (flag = false, i = 0; i < last_insn + 1; i++) {
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int opcode = packet->insn[i].opcode;
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g_assert(packet->insn[i].has_pred_dest ==
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(strstr(opcode_wregs[opcode], "Pd4") ||
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strstr(opcode_wregs[opcode], "Pe4")));
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if ((strstr(opcode_wregs[opcode], "Pd4") ||
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strstr(opcode_wregs[opcode], "Pe4")) &&
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GET_ATTRIB(opcode, A_STORE) == 0) {
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@ -70,6 +70,7 @@ def mark_which_imm_extended(f, tag):
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## insn->regno[2] = args->Rt;
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## insn->new_read_idx = -1;
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## insn->dest_idx = 0;
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## insn->has_pred_dest = false;
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## return true;
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## }
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##
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@ -88,6 +89,7 @@ def gen_trans_funcs(f):
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new_read_idx = -1
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dest_idx = -1
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has_pred_dest = "false"
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for regno, (reg_type, reg_id, *_) in enumerate(regs):
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reg = hex_common.get_register(tag, reg_type, reg_id)
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f.write(code_fmt(f"""\
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@ -98,6 +100,8 @@ def gen_trans_funcs(f):
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# dest_idx should be the first destination, so check for -1
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if reg.is_written() and dest_idx == -1:
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dest_idx = regno
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if reg_type == "P" and reg.is_written() and not reg.is_read():
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has_pred_dest = "true"
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if len(imms) != 0:
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mark_which_imm_extended(f, tag)
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@ -121,6 +125,7 @@ def gen_trans_funcs(f):
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f.write(code_fmt(f"""\
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insn->new_read_idx = {new_read_idx};
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insn->dest_idx = {dest_idx};
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insn->has_pred_dest = {has_pred_dest};
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"""))
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f.write(textwrap.dedent(f"""\
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return true;
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@ -41,6 +41,7 @@ struct Instruction {
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uint32_t new_value_producer_slot:4;
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int32_t new_read_idx;
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int32_t dest_idx;
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bool has_pred_dest;
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bool part1; /*
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* cmp-jumps are split into two insns.
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