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cbe: msvc atomics

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- Implement most atomic operations for msvc
- Disable "atomicrmw with floats" test for cbe
This commit is contained in:
kcbanner
2022-12-16 02:01:07 -05:00
parent f155ef2f4b
commit 2d34477dbb
3 changed files with 195 additions and 46 deletions
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22
src/codegen/c.zig
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@@ -2542,6 +2542,10 @@ pub const DeclGen = struct {
try writer.print("{c}{d}", .{ signAbbrev(int_info.signedness), c_bits });
} else if (ty.isRuntimeFloat()) {
try ty.print(writer, dg.module);
} else if (ty.isPtrAtRuntime()) {
try writer.print("p{d}", .{ ty.bitSize(target) });
} else if (ty.zigTypeTag() == .Bool) {
try writer.print("u8", .{});
} else return dg.fail("TODO: CBE: implement renderTypeForBuiltinFnName for type {}", .{
ty.fmt(dg.module),
});
@@ -6083,7 +6087,7 @@ fn airCmpxchg(f: *Function, inst: Air.Inst.Index, flavor: [*:0]const u8) !CValue
try writer.writeAll(";\n");
try writer.writeAll("if (");
try writer.print("zig_cmpxchg_{s}((zig_atomic(", .{flavor});
try f.renderTypecast(writer, ptr_ty.elemType());
try f.renderTypecast(writer, ptr_ty.childType());
try writer.writeByte(')');
if (ptr_ty.isVolatilePtr()) try writer.writeAll(" volatile");
try writer.writeAll(" *)");
@@ -6096,6 +6100,8 @@ fn airCmpxchg(f: *Function, inst: Air.Inst.Index, flavor: [*:0]const u8) !CValue
try writeMemoryOrder(writer, extra.successOrder());
try writer.writeAll(", ");
try writeMemoryOrder(writer, extra.failureOrder());
try writer.writeAll(", ");
try f.object.dg.renderTypeForBuiltinFnName(writer, ptr_ty.childType());
try writer.writeByte(')');
try writer.writeAll(") {\n");
f.object.indent_writer.pushIndent();
@@ -6110,7 +6116,7 @@ fn airCmpxchg(f: *Function, inst: Air.Inst.Index, flavor: [*:0]const u8) !CValue
try writer.writeAll(";\n");
try f.writeCValue(writer, local, .Other);
try writer.print(".is_null = zig_cmpxchg_{s}((zig_atomic(", .{flavor});
try f.renderTypecast(writer, ptr_ty.elemType());
try f.renderTypecast(writer, ptr_ty.childType());
try writer.writeByte(')');
if (ptr_ty.isVolatilePtr()) try writer.writeAll(" volatile");
try writer.writeAll(" *)");
@@ -6123,6 +6129,8 @@ fn airCmpxchg(f: *Function, inst: Air.Inst.Index, flavor: [*:0]const u8) !CValue
try writeMemoryOrder(writer, extra.successOrder());
try writer.writeAll(", ");
try writeMemoryOrder(writer, extra.failureOrder());
try writer.writeAll(", ");
try f.object.dg.renderTypeForBuiltinFnName(writer, ptr_ty.childType());
try writer.writeByte(')');
try writer.writeAll(";\n");
}
@@ -6145,8 +6153,8 @@ fn airAtomicRmw(f: *Function, inst: Air.Inst.Index) !CValue {
try reap(f, inst, &.{ pl_op.operand, extra.operand });
const writer = f.object.writer();
const local = try f.allocLocal(inst, inst_ty);
try f.writeCValue(writer, local, .Other);
try f.writeCValue(writer, local, .Other);
try writer.print(" = zig_atomicrmw_{s}((", .{toAtomicRmwSuffix(extra.op())});
switch (extra.op()) {
else => {
@@ -6166,6 +6174,8 @@ fn airAtomicRmw(f: *Function, inst: Air.Inst.Index) !CValue {
try f.writeCValue(writer, operand, .FunctionArgument);
try writer.writeAll(", ");
try writeMemoryOrder(writer, extra.ordering());
try writer.writeAll(", ");
try f.object.dg.renderTypeForBuiltinFnName(writer, ptr_ty.childType());
try writer.writeAll(");\n");
if (f.liveness.isUnused(inst)) {
@@ -6198,6 +6208,8 @@ fn airAtomicLoad(f: *Function, inst: Air.Inst.Index) !CValue {
try f.writeCValue(writer, ptr, .Other);
try writer.writeAll(", ");
try writeMemoryOrder(writer, atomic_load.order);
try writer.writeAll(", ");
try f.object.dg.renderTypeForBuiltinFnName(writer, ptr_ty.childType());
try writer.writeAll(");\n");
return local;
@@ -6219,7 +6231,9 @@ fn airAtomicStore(f: *Function, inst: Air.Inst.Index, order: [*:0]const u8) !CVa
try f.writeCValue(writer, ptr, .Other);
try writer.writeAll(", ");
try f.writeCValue(writer, element, .FunctionArgument);
try writer.print(", {s});\n", .{order});
try writer.print(", {s}, ", .{order});
try f.object.dg.renderTypeForBuiltinFnName(writer, ptr_ty.childType());
try writer.writeAll(");\n");
return CValue.none;
}