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Remove the value_list and boxed_storage format flags.

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The value_list flag can be inferred from the presence of VARIABLE_ARGS
in the operand list.

The boxed_storage flag is obsolete. We don't need boxed storage anywhere
no that we have value lists instead.
This commit is contained in:
Jakob Stoklund Olesen
2017-03-10 12:43:05 -08:00
parent 910e4e6174
commit 667d6f9381
5 changed files with 35 additions and 77 deletions
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25
lib/cretonne/meta/gen_legalizer.py
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@@ -41,34 +41,29 @@ def unwrap_inst(iref, node, fmt):
with fmt.indented(
'let ({}) = if let InstructionData::{} {{'
.format(', '.join(map(str, expr.args)), iform.name), '};'):
if iform.boxed_storage:
# This format indirects to a largish `data` struct.
fmt.line('ref data,')
else:
# Fields are encoded directly.
for m in iform.imm_members:
fmt.line('{},'.format(m))
if nvops == 1:
fmt.line('arg,')
elif iform.has_value_list or nvops > 1:
fmt.line('ref args,')
# Fields are encoded directly.
for m in iform.imm_members:
fmt.line('{},'.format(m))
if nvops == 1:
fmt.line('arg,')
elif iform.has_value_list or nvops > 1:
fmt.line('ref args,')
fmt.line('..')
fmt.outdented_line('} = dfg[inst] {')
if iform.has_value_list:
fmt.line('let args = args.as_slice(&dfg.value_lists);')
# Generate the values for the tuple.
outs = list()
prefix = 'data.' if iform.boxed_storage else ''
for opnum, op in enumerate(expr.inst.ins):
if op.is_immediate():
n = expr.inst.imm_opnums.index(opnum)
outs.append(prefix + iform.imm_members[n])
outs.append(iform.imm_members[n])
elif op.is_value():
if nvops == 1:
arg = prefix + 'arg'
arg = 'arg'
else:
n = expr.inst.value_opnums.index(opnum)
arg = '{}args[{}]'.format(prefix, n)
arg = 'args[{}]'.format(n)
outs.append('dfg.resolve_aliases({})'.format(arg))
fmt.line('({})'.format(', '.join(outs)))
fmt.outdented_line('} else {')