diff options
Diffstat (limited to 'target/hexagon/gen_op_regs.py')
| -rwxr-xr-x | target/hexagon/gen_op_regs.py | 77 |
1 files changed, 45 insertions, 32 deletions
diff --git a/target/hexagon/gen_op_regs.py b/target/hexagon/gen_op_regs.py index c0de9ad380..42972c7f9e 100755 --- a/target/hexagon/gen_op_regs.py +++ b/target/hexagon/gen_op_regs.py @@ -22,21 +22,25 @@ import re import string import hex_common + ## ## Generate the register and immediate operands for each instruction ## def calculate_regid_reg(tag): - def letter_inc(x): return chr(ord(x)+1) - ordered_implregs = [ 'SP','FP','LR' ] - srcdst_lett = 'X' - src_lett = 'S' - dst_lett = 'D' + def letter_inc(x): + return chr(ord(x) + 1) + + ordered_implregs = ["SP", "FP", "LR"] + srcdst_lett = "X" + src_lett = "S" + dst_lett = "D" retstr = "" mapdict = {} for reg in ordered_implregs: reg_rd = 0 reg_wr = 0 - if ('A_IMPLICIT_WRITES_'+reg) in hex_common.attribdict[tag]: reg_wr = 1 + if ("A_IMPLICIT_WRITES_" + reg) in hex_common.attribdict[tag]: + reg_wr = 1 if reg_rd and reg_wr: retstr += srcdst_lett mapdict[srcdst_lett] = reg @@ -49,16 +53,19 @@ def calculate_regid_reg(tag): retstr += dst_lett mapdict[dst_lett] = reg dst_lett = letter_inc(dst_lett) - return retstr,mapdict + return retstr, mapdict + def calculate_regid_letters(tag): - retstr,mapdict = calculate_regid_reg(tag) + retstr, mapdict = calculate_regid_reg(tag) return retstr + def strip_reg_prefix(x): - y=x.replace('UREG.','') - y=y.replace('MREG.','') - return y.replace('GREG.','') + y = x.replace("UREG.", "") + y = y.replace("MREG.", "") + return y.replace("GREG.", "") + def main(): hex_common.read_semantics_file(sys.argv[1]) @@ -66,45 +73,51 @@ def main(): tagregs = hex_common.get_tagregs() tagimms = hex_common.get_tagimms() - with open(sys.argv[3], 'w') as f: + with open(sys.argv[3], "w") as f: for tag in hex_common.tags: regs = tagregs[tag] rregs = [] wregs = [] regids = "" - for regtype,regid,toss,numregs in regs: + for regtype, regid, toss, numregs in regs: if hex_common.is_read(regid): - if regid[0] not in regids: regids += regid[0] - rregs.append(regtype+regid+numregs) + if regid[0] not in regids: + regids += regid[0] + rregs.append(regtype + regid + numregs) if hex_common.is_written(regid): - wregs.append(regtype+regid+numregs) - if regid[0] not in regids: regids += regid[0] + wregs.append(regtype + regid + numregs) + if regid[0] not in regids: + regids += regid[0] for attrib in hex_common.attribdict[tag]: - if hex_common.attribinfo[attrib]['rreg']: - rregs.append(strip_reg_prefix(attribinfo[attrib]['rreg'])) - if hex_common.attribinfo[attrib]['wreg']: - wregs.append(strip_reg_prefix(attribinfo[attrib]['wreg'])) + if hex_common.attribinfo[attrib]["rreg"]: + rregs.append(strip_reg_prefix(attribinfo[attrib]["rreg"])) + if hex_common.attribinfo[attrib]["wreg"]: + wregs.append(strip_reg_prefix(attribinfo[attrib]["wreg"])) regids += calculate_regid_letters(tag) - f.write(f'REGINFO({tag},"{regids}",\t/*RD:*/\t"{",".join(rregs)}",' - f'\t/*WR:*/\t"{",".join(wregs)}")\n') + f.write( + f'REGINFO({tag},"{regids}",\t/*RD:*/\t"{",".join(rregs)}",' + f'\t/*WR:*/\t"{",".join(wregs)}")\n' + ) for tag in hex_common.tags: imms = tagimms[tag] - f.write(f'IMMINFO({tag}') + f.write(f"IMMINFO({tag}") if not imms: - f.write(''','u',0,0,'U',0,0''') - for sign,size,shamt in imms: - if sign == 'r': sign = 's' + f.write(""",'u',0,0,'U',0,0""") + for sign, size, shamt in imms: + if sign == "r": + sign = "s" if not shamt: shamt = "0" - f.write(f''','{sign}',{size},{shamt}''') + f.write(f""",'{sign}',{size},{shamt}""") if len(imms) == 1: if sign.isupper(): - myu = 'u' + myu = "u" else: - myu = 'U' - f.write(f''','{myu}',0,0''') - f.write(')\n') + myu = "U" + f.write(f""",'{myu}',0,0""") + f.write(")\n") + if __name__ == "__main__": main() |