Add intrinsics `nontemporal_store` and `nontemporal_load`

core/intrinsics/intrinsics.odin

@@ -12,6 +12,9 @@ soa_struct :: proc($N: int, $T: typeid) -> type/#soa[N]T
 volatile_load  :: proc(dst: ^$T) -> T ---
 volatile_store :: proc(dst: ^$T, val: T) -> T ---
 
+nontemporal_load  :: proc(dst: ^$T) -> T ---
+nontemporal_store :: proc(dst: ^$T, val: T) -> T ---
+
 // Trapping
 debug_trap :: proc() ---
 trap       :: proc() -> ! ---

src/check_builtin.cpp

@@ -4025,9 +4025,8 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
 		break;
 
 	case BuiltinProc_volatile_store:
-		/*fallthrough*/
 	case BuiltinProc_unaligned_store:
-		/*fallthrough*/
+	case BuiltinProc_nontemporal_store:
 	case BuiltinProc_atomic_store:
 		{
 			Type *elem = nullptr;
@@ -4074,9 +4073,8 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
 
 
 	case BuiltinProc_volatile_load:
-		/*fallthrough*/
 	case BuiltinProc_unaligned_load:
-		/*fallthrough*/
+	case BuiltinProc_nontemporal_load:
 	case BuiltinProc_atomic_load:
 		{
 			Type *elem = nullptr;

src/checker_builtin_procs.hpp

@@ -80,6 +80,8 @@ enum BuiltinProcId {
 	
 	BuiltinProc_unaligned_store,
 	BuiltinProc_unaligned_load,
+	BuiltinProc_nontemporal_store,
+	BuiltinProc_nontemporal_load,
 	
 	BuiltinProc_prefetch_read_instruction,
 	BuiltinProc_prefetch_read_data,
@@ -367,6 +369,8 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
 	
 	{STR_LIT("unaligned_store"),  2, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
 	{STR_LIT("unaligned_load"),   1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
+	{STR_LIT("nontemporal_store"),  2, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
+	{STR_LIT("nontemporal_load"),   1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
 	
 	{STR_LIT("prefetch_read_instruction"),  2, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
 	{STR_LIT("prefetch_read_data"),         2, false, Expr_Stmt, BuiltinProcPkg_intrinsics},

src/llvm_backend_proc.cpp

@@ -2111,6 +2111,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 		return {};
 
 	case BuiltinProc_volatile_store:
+	case BuiltinProc_nontemporal_store:
 	case BuiltinProc_atomic_store:
 	case BuiltinProc_atomic_store_explicit: {
 		lbValue dst = lb_build_expr(p, ce->args[0]);
@@ -2120,6 +2121,9 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 		LLVMValueRef instr = LLVMBuildStore(p->builder, val.value, dst.value);
 		switch (id) {
 		case BuiltinProc_volatile_store:        LLVMSetVolatile(instr, true);                                        break;
+		case BuiltinProc_nontemporal_store:
+			// TODO(bill): BuiltinProc_nontemporal_store
+			break;
 		case BuiltinProc_atomic_store:          LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent);    break;
 		case BuiltinProc_atomic_store_explicit: LLVMSetOrdering(instr, llvm_atomic_ordering_from_odin(ce->args[2])); break;
 		}
@@ -2130,6 +2134,7 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 	}
 
 	case BuiltinProc_volatile_load:
+	case BuiltinProc_nontemporal_load:
 	case BuiltinProc_atomic_load:
 	case BuiltinProc_atomic_load_explicit: {
 		lbValue dst = lb_build_expr(p, ce->args[0]);
@@ -2137,6 +2142,9 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
 		LLVMValueRef instr = LLVMBuildLoad(p->builder, dst.value, "");
 		switch (id) {
 		case BuiltinProc_volatile_load:        LLVMSetVolatile(instr, true);                                        break;
+		case BuiltinProc_nontemporal_load:
+			// TODO(bill): BuiltinProc_nontemporal_load
+			break;
 		case BuiltinProc_atomic_load:          LLVMSetOrdering(instr, LLVMAtomicOrderingSequentiallyConsistent);    break;
 		case BuiltinProc_atomic_load_explicit: LLVMSetOrdering(instr, llvm_atomic_ordering_from_odin(ce->args[1])); break;
 		}