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Use clearer name for integer bit width helper function

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This commit is contained in:
Oliver Schneider 2018-02-23 13:52:33 +01:00
parent eb18d39a04
commit 6cfda078bf
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2 changed files with 4 additions and 4 deletions
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4
src/librustc_mir/build/expr/as_rvalue.rs
View File

@ -381,7 +381,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
// Helper to get a `-1` value of the appropriate type
fn neg_1_literal(&mut self, span: Span, ty: Ty<'tcx>) -> Operand<'tcx> {
let bits = self.hir.type_bit_size(ty);
let bits = self.hir.integer_bit_width(ty);
let n = (!0u128) >> (128 - bits);
let literal = Literal::Value {
value: self.hir.tcx().mk_const(ty::Const {
@ -396,7 +396,7 @@ impl<'a, 'gcx, 'tcx> Builder<'a, 'gcx, 'tcx> {
// Helper to get the minimum value of the appropriate type
fn minval_literal(&mut self, span: Span, ty: Ty<'tcx>) -> Operand<'tcx> {
assert!(ty.is_signed());
let bits = self.hir.type_bit_size(ty);
let bits = self.hir.integer_bit_width(ty);
let n = 1 << (bits - 1);
let literal = Literal::Value {
value: self.hir.tcx().mk_const(ty::Const {

4
src/librustc_mir/hair/cx/mod.rs
View File

@ -149,7 +149,7 @@ impl<'a, 'gcx, 'tcx> Cx<'a, 'gcx, 'tcx> {
}
}
pub fn type_bit_size(
pub fn integer_bit_width(
&self,
ty: Ty,
) -> u64 {
@ -179,7 +179,7 @@ impl<'a, 'gcx, 'tcx> Cx<'a, 'gcx, 'tcx> {
};
let clamp = |n| {
let size = self.type_bit_size(ty);
let size = self.integer_bit_width(ty);
trace!("clamp {} with size {} and amt {}", n, size, 128 - size);
let amt = 128 - size;
let result = (n << amt) >> amt;