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Cranelift: Use a single, shared vector allocation for all ABIArgs (#5127)

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* Cranelift: Use a single, shared vector allocation for all `ABIArg`s

Instead of two `SmallVec`s per `SigData`.

* Remove `Deref` and `DerefMut` impls for `ArgsAccumulator`
This commit is contained in:
Nick Fitzgerald
2022-10-31 14:32:17 -07:00
committed by GitHub
parent 04fa8951ba
commit 6d289723bd
7 changed files with 190 additions and 99 deletions
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8
cranelift/codegen/src/isa/s390x/lower/isle.rs
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@@ -129,7 +129,7 @@ impl generated_code::Context for IsleContext<'_, '_, MInst, Flags, IsaFlags, 6>
for i in 0..self.lower_ctx.sigs()[*abi].num_rets() {
if let &ABIArg::Slots {
ref slots, purpose, ..
} = &self.lower_ctx.sigs()[*abi].get_ret(i)
} = &self.lower_ctx.sigs()[*abi].get_ret(self.lower_ctx.sigs(), i)
{
if purpose == ArgumentPurpose::StructReturn {
continue;
@@ -192,7 +192,8 @@ impl generated_code::Context for IsleContext<'_, '_, MInst, Flags, IsaFlags, 6>
defs: &CallRetList,
opcode: &Opcode,
) -> BoxCallInfo {
let clobbers = self.lower_ctx.sigs()[*abi].call_clobbers::<S390xMachineDeps>();
let clobbers =
self.lower_ctx.sigs()[*abi].call_clobbers::<S390xMachineDeps>(self.lower_ctx.sigs());
Box::new(CallInfo {
dest: name.clone(),
uses: uses.clone(),
@@ -213,7 +214,8 @@ impl generated_code::Context for IsleContext<'_, '_, MInst, Flags, IsaFlags, 6>
defs: &CallRetList,
opcode: &Opcode,
) -> BoxCallIndInfo {
let clobbers = self.lower_ctx.sigs()[*abi].call_clobbers::<S390xMachineDeps>();
let clobbers =
self.lower_ctx.sigs()[*abi].call_clobbers::<S390xMachineDeps>(self.lower_ctx.sigs());
Box::new(CallIndInfo {
rn: target,
uses: uses.clone(),