T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

x64: Migrate trapif and trapff to ISLE (#4545)

Browse Source 
https://github.com/bytecodealliance/wasmtime/pull/4545
This commit is contained in:
Trevor Elliott
2022-08-01 11:24:11 -07:00
committed by GitHub
parent a47a82d2e5
commit 25782b527e
10 changed files with 438 additions and 213 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
cranelift/codegen/src/machinst/lower.rs
View File

@@ -141,6 +141,8 @@ pub trait LowerCtx {
/// Resolves a particular input of an instruction to the `Value` that it is
/// represented with.
fn input_as_value(&self, ir_inst: Inst, idx: usize) -> Value;
/// Increment the reference count for the Value, ensuring that it gets lowered.
fn increment_lowered_uses(&mut self, val: Value);
/// Put the `idx`th input into register(s) and return the assigned register.
fn put_input_in_regs(&mut self, ir_inst: Inst, idx: usize) -> ValueRegs<Reg>;
/// Put the given value into register(s) and return the assigned register.
@@ -1362,6 +1364,10 @@ impl<'func, I: VCodeInst> LowerCtx for Lower<'func, I> {
NonRegInput { inst, constant }
}
fn increment_lowered_uses(&mut self, val: Value) {
self.value_lowered_uses[val] += 1
}
fn put_input_in_regs(&mut self, ir_inst: Inst, idx: usize) -> ValueRegs<Reg> {
let val = self.f.dfg.inst_args(ir_inst)[idx];
self.put_value_in_regs(val)