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machinst x64: refactor lowering too;

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This commit is contained in:
Benjamin Bouvier
2020-06-11 17:48:46 +02:00
parent 48fb9291bc
commit 28c40ba0f7
2 changed files with 111 additions and 112 deletions
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20
cranelift/codegen/src/isa/x64/inst/args.rs
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@@ -5,6 +5,7 @@ use std::string::{String, ToString};
use regalloc::{RealRegUniverse, Reg, RegClass, RegUsageCollector};
use crate::ir::condcodes::IntCC;
use crate::machinst::*;
use super::regs::show_ireg_sized;
@@ -474,7 +475,24 @@ pub enum CC {
}
impl CC {
pub(crate) fn invert(&self) -> CC {
pub(crate) fn from_intcc(intcc: IntCC) -> Self {
match intcc {
IntCC::Equal => CC::Z,
IntCC::NotEqual => CC::NZ,
IntCC::SignedGreaterThanOrEqual => CC::NL,
IntCC::SignedGreaterThan => CC::NLE,
IntCC::SignedLessThanOrEqual => CC::LE,
IntCC::SignedLessThan => CC::L,
IntCC::UnsignedGreaterThanOrEqual => CC::NB,
IntCC::UnsignedGreaterThan => CC::NBE,
IntCC::UnsignedLessThanOrEqual => CC::BE,
IntCC::UnsignedLessThan => CC::B,
IntCC::Overflow => CC::O,
IntCC::NotOverflow => CC::NO,
}
}
pub(crate) fn invert(&self) -> Self {
match self {
CC::O => CC::NO,
CC::NO => CC::O,