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Hexagon (target/hexagon) Mark dest_idx in trans functions

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Check that the value matches opcode_reginfo/opcode_wregs

Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20240307032327.4799-4-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
This commit is contained in:
Taylor Simpson 2024-03-06 20:23:21 -07:00 • committed by Brian Cain
parent 9196381993
commit 325a64af06
4 changed files with 11 additions and 0 deletions
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6
target/hexagon/gen_trans_funcs.py
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@ -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;