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[CPU] Fix ppc-opcode-gen script and regen the opcodes

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This commit is contained in:
Herman S.
2025-10-19 13:47:16 +09:00
parent 9b41d1d614
commit 563a6459d3
5 changed files with 467 additions and 475 deletions
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13
tools/ppc-table-gen.py
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@@ -351,9 +351,8 @@ def generate_disasm(insns):
w1('PadStringBuffer(str, str_start, kNamePad);')
w0('}')
w0('#define INIT_LIST(...) {__VA_ARGS__}')
w0('#define INSTRUCTION(opcode, mnem, form, group, type, desc, reads, writes, fn) \\')
w0(' {PPCOpcodeGroup::group, PPCOpcodeFormat::form, opcode, mnem, desc, INIT_LIST reads, INIT_LIST writes, fn}')
w0('#define INSTRUCTION(opcode, mnem, form, group, type, desc, fn) \\')
w0(' {PPCOpcodeGroup::group, PPCOpcodeFormat::form, opcode, mnem, desc, fn}')
w0('PPCOpcodeDisasmInfo ppc_opcode_disasm_table[] = {')
fmt = 'INSTRUCTION(' + ', '.join([
'0x%08x',
@@ -362,8 +361,6 @@ def generate_disasm(insns):
'%-' + str(group_len) + 's',
'%-' + str(type_len) + 's',
'%-' + str(desc_len) + 's',
'(%s)',
'(%s)',
'%s',
]) + '),'
for i in insns:
@@ -374,8 +371,6 @@ def generate_disasm(insns):
i.group,
i.type,
i.desc,
','.join(['PPCOpcodeField::' + c_field(r) for r in i.reads]),
','.join(['PPCOpcodeField::' + c_field(w) for w in i.writes]),
('PrintDisasm_' + literal_mnem(i.mnem)) if i.disasm_str else 'nullptr',
))
w0('};')
@@ -437,7 +432,7 @@ def generate_lookup(insns):
if i.op_primary not in subtables: subtables[i.op_primary] = []
subtables[i.op_primary].append(i)
for pri in sorted(subtables.iterkeys()):
for pri in sorted(subtables.keys()):
# all the extended encodings (which we care about) end with bit 30. So we want to
# do the rest of the seach by bitscanning left from bit 30. This is simulated
# in the C switch-statement by creating leafs for each extended opcode,
@@ -464,7 +459,7 @@ def generate_lookup(insns):
extract_groups[extract_expression][2].append(i)
w1('case %i:' % (pri))
for extract_expression in sorted(extract_groups.iterkeys()):
for extract_expression in sorted(extract_groups.keys()):
(form, extract_expression, group_insns) = extract_groups[extract_expression]
bit_span_low = 31
bit_span_high = 0