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Add intrinsics.volatile_store and intrinsics.volatile_load

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gingerBill
2021-03-09 11:40:36 +00:00
parent 083cec6c88
commit 3ff7bded64
6 changed files with 79 additions and 42 deletions
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19
src/ir.cpp
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@@ -202,7 +202,7 @@ gbAllocator ir_allocator(void) {
}) \
IR_INSTR_KIND(ZeroInit, struct { irValue *address; }) \
IR_INSTR_KIND(Store, struct { irValue *address, *value; bool is_volatile; }) \
IR_INSTR_KIND(Load, struct { Type *type; irValue *address; i64 custom_align; }) \
IR_INSTR_KIND(Load, struct { Type *type; irValue *address; i64 custom_align; bool is_volatile; }) \
IR_INSTR_KIND(InlineCode, struct { BuiltinProcId id; Array<irValue *> operands; Type *type; }) \
IR_INSTR_KIND(AtomicFence, struct { BuiltinProcId id; }) \
IR_INSTR_KIND(AtomicStore, struct { \
@@ -1084,11 +1084,12 @@ irValue *ir_instr_store(irProcedure *p, irValue *address, irValue *value, bool i
return v;
}
irValue *ir_instr_load(irProcedure *p, irValue *address) {
irValue *ir_instr_load(irProcedure *p, irValue *address, bool is_volatile) {
irValue *v = ir_alloc_instr(p, irInstr_Load);
irInstr *i = &v->Instr;
i->Load.address = address;
i->Load.type = type_deref(ir_type(address));
i->Load.is_volatile = is_volatile;
if (address) address->uses += 1;
@@ -3166,7 +3167,7 @@ irValue *ir_emit_load(irProcedure *p, irValue *address, i64 custom_align) {
// return ir_emit(p, ir_instr_load_bool(p, address));
// }
if (address) address->uses += 1;
auto instr = ir_instr_load(p, address);
auto instr = ir_instr_load(p, address, false);
instr->Instr.Load.custom_align = custom_align;
return ir_emit(p, instr);
}
@@ -7527,6 +7528,18 @@ irValue *ir_build_builtin_proc(irProcedure *proc, Ast *expr, TypeAndValue tv, Bu
case BuiltinProc_cpu_relax:
return ir_emit(proc, ir_instr_inline_code(proc, id, {}, nullptr));
case BuiltinProc_volatile_store: {
irValue *dst = ir_build_expr(proc, ce->args[0]);
irValue *val = ir_build_expr(proc, ce->args[1]);
val = ir_emit_conv(proc, val, type_deref(ir_type(dst)));
return ir_emit(proc, ir_instr_store(proc, dst, val, true));
}
case BuiltinProc_volatile_load: {
irValue *dst = ir_build_expr(proc, ce->args[0]);
return ir_emit(proc, ir_instr_load(proc, dst, true));
}
case BuiltinProc_atomic_fence:
case BuiltinProc_atomic_fence_acq:
case BuiltinProc_atomic_fence_rel: