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authorgingerBill <bill@gingerbill.org>2020-02-26 22:29:12 +0000
committergingerBill <bill@gingerbill.org>2020-02-26 22:29:12 +0000
commit1596bca92d4d8b3457cbfacec24e2a2129bba40e (patch)
treee4567dd5148a6d7d7d80438ba28d8af019a07228 /src/ir.cpp
parent8f42958ba32444d83117a63b400baed072ad48b7 (diff)
Add `intrinsics.cpu_relax`
Diffstat (limited to 'src/ir.cpp')
-rw-r--r--src/ir.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/ir.cpp b/src/ir.cpp
index e13530aca..6a56eb387 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -197,6 +197,7 @@ 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(InlineCode, struct { BuiltinProcId id; Array<irValue *> operands; }) \
IR_INSTR_KIND(AtomicFence, struct { BuiltinProcId id; }) \
IR_INSTR_KIND(AtomicStore, struct { \
irValue *address, *value; \
@@ -1063,6 +1064,14 @@ irValue *ir_instr_load(irProcedure *p, irValue *address) {
return v;
}
+irValue *ir_instr_inline_code(irProcedure *p, BuiltinProcId id, Array<irValue *> operands) {
+ irValue *v = ir_alloc_instr(p, irInstr_InlineCode);
+ irInstr *i = &v->Instr;
+ i->InlineCode.id = id;
+ i->InlineCode.operands = operands;
+ return v;
+}
+
irValue *ir_instr_atomic_fence(irProcedure *p, BuiltinProcId id) {
irValue *v = ir_alloc_instr(p, irInstr_AtomicFence);
irInstr *i = &v->Instr;
@@ -6914,6 +6923,9 @@ irValue *ir_build_builtin_proc(irProcedure *proc, Ast *expr, TypeAndValue tv, Bu
// "Intrinsics"
+ case BuiltinProc_cpu_relax:
+ return ir_emit(proc, ir_instr_inline_code(proc, id, {}));
+
case BuiltinProc_atomic_fence:
case BuiltinProc_atomic_fence_acq:
case BuiltinProc_atomic_fence_rel: