From 9196381993a3fd365fd47fe056754ff550a3b67d Mon Sep 17 00:00:00 2001 From: Taylor Simpson Date: Wed, 6 Mar 2024 20:23:20 -0700 Subject: Hexagon (target/hexagon) Mark new_read_idx in trans functions 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/gen_trans_funcs.py | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'target/hexagon/gen_trans_funcs.py') diff --git a/target/hexagon/gen_trans_funcs.py b/target/hexagon/gen_trans_funcs.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] = args->Rd; ## insn->regno[1] = args->Rs; ## insn->regno[2] = args->Rt; +## insn->new_read_idx = -1; ## return true; ## } ## @@ -84,14 +85,14 @@ def gen_trans_funcs(f): insn->opcode = {tag}; """)) - regno = 0 - for reg in regs: - reg_type = reg[0] - reg_id = reg[1] + new_read_idx = -1 + for regno, (reg_type, reg_id, *_) in enumerate(regs): + reg = hex_common.get_register(tag, reg_type, reg_id) f.write(code_fmt(f"""\ insn->regno[{regno}] = args->{reg_type}{reg_id}; """)) - regno += 1 + if reg.is_read() and reg.is_new(): + new_read_idx = regno if len(imms) != 0: mark_which_imm_extended(f, tag) @@ -112,6 +113,9 @@ def gen_trans_funcs(f): insn->immed[{immno}] = args->{imm_type}{imm_letter}; """)) + f.write(code_fmt(f"""\ + insn->new_read_idx = {new_read_idx}; + """)) f.write(textwrap.dedent(f"""\ return true; {close_curly} @@ -120,5 +124,6 @@ def gen_trans_funcs(f): if __name__ == "__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) -- cgit 1.4.1 From 325a64af065d855a022696f5e4180f2813b439c8 Mon Sep 17 00:00:00 2001 From: Taylor Simpson Date: Wed, 6 Mar 2024 20:23:21 -0700 Subject: Hexagon (target/hexagon) Mark dest_idx in trans functions Check that the value matches opcode_reginfo/opcode_wregs Signed-off-by: Taylor Simpson Reviewed-by: Brian Cain Message-Id: <20240307032327.4799-4-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain --- target/hexagon/decode.c | 2 ++ target/hexagon/gen_trans_funcs.py | 6 ++++++ target/hexagon/insn.h | 1 + target/hexagon/mmvec/decode_ext_mmvec.c | 2 ++ 4 files changed, 11 insertions(+) (limited to 'target/hexagon/gen_trans_funcs.py') diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index 4595e30384..a4d8500fea 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -184,6 +184,8 @@ decode_fill_newvalue_regno(Packet *packet) /* Now patch up the consumer with the register number */ dst_idx = dststr - opcode_reginfo[def_opcode]; + g_assert(packet->insn[def_idx].dest_idx != -1 && + packet->insn[def_idx].dest_idx == dst_idx); packet->insn[i].regno[use_regidx] = packet->insn[def_idx].regno[dst_idx]; /* diff --git a/target/hexagon/gen_trans_funcs.py b/target/hexagon/gen_trans_funcs.py index 8acecdb993..1201172dda 100755 --- a/target/hexagon/gen_trans_funcs.py +++ b/target/hexagon/gen_trans_funcs.py @@ -69,6 +69,7 @@ def mark_which_imm_extended(f, tag): ## insn->regno[1] = args->Rs; ## insn->regno[2] = args->Rt; ## insn->new_read_idx = -1; +## insn->dest_idx = 0; ## return true; ## } ## @@ -86,6 +87,7 @@ def gen_trans_funcs(f): """)) new_read_idx = -1 + dest_idx = -1 for regno, (reg_type, reg_id, *_) in enumerate(regs): reg = hex_common.get_register(tag, reg_type, reg_id) f.write(code_fmt(f"""\ @@ -93,6 +95,9 @@ def gen_trans_funcs(f): """)) if reg.is_read() and reg.is_new(): new_read_idx = regno + # dest_idx should be the first destination, so check for -1 + if reg.is_written() and dest_idx == -1: + dest_idx = regno if len(imms) != 0: mark_which_imm_extended(f, tag) @@ -115,6 +120,7 @@ def gen_trans_funcs(f): f.write(code_fmt(f"""\ insn->new_read_idx = {new_read_idx}; + insn->dest_idx = {dest_idx}; """)) f.write(textwrap.dedent(f"""\ return true; diff --git a/target/hexagon/insn.h b/target/hexagon/insn.h index 36502bf056..a770379958 100644 --- a/target/hexagon/insn.h +++ b/target/hexagon/insn.h @@ -40,6 +40,7 @@ struct Instruction { uint32_t which_extended:1; /* If has an extender, which immediate */ uint32_t new_value_producer_slot:4; int32_t new_read_idx; + int32_t dest_idx; 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 e9007f5d71..c1320406df 100644 --- a/target/hexagon/mmvec/decode_ext_mmvec.c +++ b/target/hexagon/mmvec/decode_ext_mmvec.c @@ -86,6 +86,8 @@ check_new_value(Packet *pkt) /* still not there, we have a bad packet */ g_assert_not_reached(); } + g_assert(pkt->insn[def_idx].dest_idx != -1 && + pkt->insn[def_idx].dest_idx == dststr - reginfo); int def_regnum = pkt->insn[def_idx].regno[dststr - reginfo]; /* Now patch up the consumer with the register number */ pkt->insn[i].regno[use_regidx] = def_regnum ^ def_oreg; -- cgit 1.4.1 From 4614b8f36a319ca77c004b8c5002e68d9ae25061 Mon Sep 17 00:00:00 2001 From: Taylor Simpson Date: Wed, 6 Mar 2024 20:23:22 -0700 Subject: Hexagon (target/hexagon) Mark has_pred_dest in trans functions 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(+) (limited to 'target/hexagon/gen_trans_funcs.py') 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. -- cgit 1.4.1