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machinst x64: implement support for reference types;

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This commit is contained in:
Benjamin Bouvier
2020-07-23 16:19:56 +02:00
parent 987c616bf5
commit ad4a2f919f
5 changed files with 107 additions and 23 deletions
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12
cranelift/codegen/src/isa/x64/inst/emit.rs
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@@ -1282,6 +1282,9 @@ pub(crate) fn emit(
Inst::CallKnown {
dest, loc, opcode, ..
} => {
if let Some(s) = state.take_stackmap() {
sink.add_stackmap(5, s);
}
sink.put1(0xE8);
// The addend adjusts for the difference between the end of the instruction and the
// beginning of the immediate field.
@@ -1295,6 +1298,7 @@ pub(crate) fn emit(
Inst::CallUnknown {
dest, opcode, loc, ..
} => {
let start_offset = sink.cur_offset();
match dest {
RegMem::Reg { reg } => {
let reg_enc = int_reg_enc(*reg);
@@ -1322,6 +1326,9 @@ pub(crate) fn emit(
);
}
}
if let Some(s) = state.take_stackmap() {
sink.add_stackmap_ending_at(start_offset, s);
}
if opcode.is_call() {
sink.add_call_site(*loc, *opcode);
}
@@ -2298,6 +2305,9 @@ pub(crate) fn emit(
Inst::Ud2 { trap_info } => {
sink.add_trap(trap_info.0, trap_info.1);
if let Some(s) = state.take_stackmap() {
sink.add_stackmap(2, s);
}
sink.put1(0x0f);
sink.put1(0x0b);
}
@@ -2315,4 +2325,6 @@ pub(crate) fn emit(
// Generate no code.
}
}
state.clear_post_insn();
}