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Also write out register assignments in write_instruction.

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The value locations appear after the encodings:

> [R#0c,%x2]              v0 = iadd vx0, vx1
> [Iret#19]               return_reg v0
This commit is contained in:
Jakob Stoklund Olesen
2017-02-22 11:41:30 -08:00
parent 83571028d9
commit ccda0a192c
1 changed files with 14 additions and 2 deletions
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16
lib/cretonne/src/write.rs
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@@ -4,7 +4,7 @@
//! equivalent textual representation. This textual representation can be read back by the
//! `cretonne-reader` crate.
use ir::{Function, Ebb, Inst, Value, Type};
use ir::{Function, Ebb, Inst, Value, Type, ValueLoc};
use isa::TargetIsa;
use std::fmt::{Result, Error, Write};
use std::result;
@@ -172,7 +172,19 @@ fn write_instruction(w: &mut Write,
if let Some(enc) = func.encodings.get(inst).cloned() {
let mut s = String::with_capacity(16);
if let Some(isa) = isa {
try!(write!(s, "[{}]", isa.display_enc(enc)));
try!(write!(s, "[{}", isa.display_enc(enc)));
// Write value locations, if we have them.
if !func.locations.is_empty() {
let regs = isa.register_info();
for r in func.dfg.inst_results(inst) {
match func.locations[r] {
ValueLoc::Unassigned => write!(s, ",-")?,
ValueLoc::Reg(ru) => write!(s, ",{}", regs.display_regunit(ru))?,
ValueLoc::Stack(ss) => write!(s, ",{}", ss)?,
}
}
}
try!(write!(s, "]"));
} else {
try!(write!(s, "[{}]", enc));
}