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Factor out pointer_bits() and pointer_bytes() helper functions.

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This commit is contained in:
Dan Gohman
2018-05-31 11:21:26 -07:00
parent 35f2cae00c
commit 6c003d68cd
2 changed files with 14 additions and 4 deletions
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14
lib/codegen/src/isa/mod.rs
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@@ -176,7 +176,17 @@ pub trait TargetIsa: fmt::Display {
/// Get the pointer type of this ISA.
fn pointer_type(&self) -> ir::Type {
ir::Type::int(u16::from(self.triple().pointer_width().unwrap().bits())).unwrap()
ir::Type::int(u16::from(self.pointer_bits())).unwrap()
}
/// Get the width of pointers on this ISA, in units of bits.
fn pointer_bits(&self) -> u8 {
self.triple().pointer_width().unwrap().bits()
}
/// Get the width of pointers on this ISA, in units of bytes.
fn pointer_bytes(&self) -> u8 {
self.triple().pointer_width().unwrap().bytes()
}
/// Does the CPU implement scalar comparisons using a CPU flags register?
@@ -277,7 +287,7 @@ pub trait TargetIsa: fmt::Display {
use ir::stackslot::{StackOffset, StackSize};
use stack_layout::layout_stack;
let word_size = StackSize::from(self.triple().pointer_width().unwrap().bytes());
let word_size = StackSize::from(self.pointer_bytes());
// Account for the SpiderMonkey standard prologue pushes.
if func.signature.call_conv == CallConv::Baldrdash {