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mach backend: reduce the size of the Inst enum down to 32 bytes;

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This commit is contained in:
Benjamin Bouvier
2020-06-01 16:22:29 +02:00
parent e227608510
commit 67c7a3ed19
6 changed files with 111 additions and 101 deletions
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38
cranelift/codegen/src/isa/aarch64/abi.rs
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@@ -1276,33 +1276,39 @@ impl ABICall for AArch64ABICall {
);
match &self.dest {
&CallDest::ExtName(ref name, RelocDistance::Near) => ctx.emit(Inst::Call {
dest: Box::new(name.clone()),
uses: uses.into_boxed_slice(),
defs: defs.into_boxed_slice(),
loc: self.loc,
opcode: self.opcode,
info: Box::new(CallInfo {
dest: name.clone(),
uses,
defs,
loc: self.loc,
opcode: self.opcode,
}),
}),
&CallDest::ExtName(ref name, RelocDistance::Far) => {
ctx.emit(Inst::LoadExtName {
rd: writable_spilltmp_reg(),
name: name.clone(),
name: Box::new(name.clone()),
offset: 0,
srcloc: self.loc,
});
ctx.emit(Inst::CallInd {
rn: spilltmp_reg(),
uses: uses.into_boxed_slice(),
defs: defs.into_boxed_slice(),
loc: self.loc,
opcode: self.opcode,
info: Box::new(CallIndInfo {
rn: spilltmp_reg(),
uses,
defs,
loc: self.loc,
opcode: self.opcode,
}),
});
}
&CallDest::Reg(reg) => ctx.emit(Inst::CallInd {
rn: reg,
uses: uses.into_boxed_slice(),
defs: defs.into_boxed_slice(),
loc: self.loc,
opcode: self.opcode,
info: Box::new(CallIndInfo {
rn: reg,
uses,
defs,
loc: self.loc,
opcode: self.opcode,
}),
}),
}
}