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Diffstat (limited to 'src/arch/aarch64/abi.zig')
-rw-r--r--src/arch/aarch64/abi.zig54
1 files changed, 28 insertions, 26 deletions
diff --git a/src/arch/aarch64/abi.zig b/src/arch/aarch64/abi.zig
index 0c48f33ea1..72a6172895 100644
--- a/src/arch/aarch64/abi.zig
+++ b/src/arch/aarch64/abi.zig
@@ -4,6 +4,7 @@ const bits = @import("bits.zig");
const Register = bits.Register;
const RegisterManagerFn = @import("../../register_manager.zig").RegisterManager;
const Type = @import("../../type.zig").Type;
+const Module = @import("../../Module.zig");
pub const Class = union(enum) {
memory,
@@ -14,44 +15,44 @@ pub const Class = union(enum) {
};
/// For `float_array` the second element will be the amount of floats.
-pub fn classifyType(ty: Type, target: std.Target) Class {
- std.debug.assert(ty.hasRuntimeBitsIgnoreComptime());
+pub fn classifyType(ty: Type, mod: *Module) Class {
+ std.debug.assert(ty.hasRuntimeBitsIgnoreComptime(mod));
var maybe_float_bits: ?u16 = null;
- switch (ty.zigTypeTag()) {
+ switch (ty.zigTypeTag(mod)) {
.Struct => {
- if (ty.containerLayout() == .Packed) return .byval;
- const float_count = countFloats(ty, target, &maybe_float_bits);
+ if (ty.containerLayout(mod) == .Packed) return .byval;
+ const float_count = countFloats(ty, mod, &maybe_float_bits);
if (float_count <= sret_float_count) return .{ .float_array = float_count };
- const bit_size = ty.bitSize(target);
+ const bit_size = ty.bitSize(mod);
if (bit_size > 128) return .memory;
if (bit_size > 64) return .double_integer;
return .integer;
},
.Union => {
- if (ty.containerLayout() == .Packed) return .byval;
- const float_count = countFloats(ty, target, &maybe_float_bits);
+ if (ty.containerLayout(mod) == .Packed) return .byval;
+ const float_count = countFloats(ty, mod, &maybe_float_bits);
if (float_count <= sret_float_count) return .{ .float_array = float_count };
- const bit_size = ty.bitSize(target);
+ const bit_size = ty.bitSize(mod);
if (bit_size > 128) return .memory;
if (bit_size > 64) return .double_integer;
return .integer;
},
.Int, .Enum, .ErrorSet, .Float, .Bool => return .byval,
.Vector => {
- const bit_size = ty.bitSize(target);
+ const bit_size = ty.bitSize(mod);
// TODO is this controlled by a cpu feature?
if (bit_size > 128) return .memory;
return .byval;
},
.Optional => {
- std.debug.assert(ty.isPtrLikeOptional());
+ std.debug.assert(ty.isPtrLikeOptional(mod));
return .byval;
},
.Pointer => {
- std.debug.assert(!ty.isSlice());
+ std.debug.assert(!ty.isSlice(mod));
return .byval;
},
.ErrorUnion,
@@ -73,14 +74,15 @@ pub fn classifyType(ty: Type, target: std.Target) Class {
}
const sret_float_count = 4;
-fn countFloats(ty: Type, target: std.Target, maybe_float_bits: *?u16) u8 {
+fn countFloats(ty: Type, mod: *Module, maybe_float_bits: *?u16) u8 {
+ const target = mod.getTarget();
const invalid = std.math.maxInt(u8);
- switch (ty.zigTypeTag()) {
+ switch (ty.zigTypeTag(mod)) {
.Union => {
- const fields = ty.unionFields();
+ const fields = ty.unionFields(mod);
var max_count: u8 = 0;
for (fields.values()) |field| {
- const field_count = countFloats(field.ty, target, maybe_float_bits);
+ const field_count = countFloats(field.ty, mod, maybe_float_bits);
if (field_count == invalid) return invalid;
if (field_count > max_count) max_count = field_count;
if (max_count > sret_float_count) return invalid;
@@ -88,12 +90,12 @@ fn countFloats(ty: Type, target: std.Target, maybe_float_bits: *?u16) u8 {
return max_count;
},
.Struct => {
- const fields_len = ty.structFieldCount();
+ const fields_len = ty.structFieldCount(mod);
var count: u8 = 0;
var i: u32 = 0;
while (i < fields_len) : (i += 1) {
- const field_ty = ty.structFieldType(i);
- const field_count = countFloats(field_ty, target, maybe_float_bits);
+ const field_ty = ty.structFieldType(i, mod);
+ const field_count = countFloats(field_ty, mod, maybe_float_bits);
if (field_count == invalid) return invalid;
count += field_count;
if (count > sret_float_count) return invalid;
@@ -113,21 +115,21 @@ fn countFloats(ty: Type, target: std.Target, maybe_float_bits: *?u16) u8 {
}
}
-pub fn getFloatArrayType(ty: Type) ?Type {
- switch (ty.zigTypeTag()) {
+pub fn getFloatArrayType(ty: Type, mod: *Module) ?Type {
+ switch (ty.zigTypeTag(mod)) {
.Union => {
- const fields = ty.unionFields();
+ const fields = ty.unionFields(mod);
for (fields.values()) |field| {
- if (getFloatArrayType(field.ty)) |some| return some;
+ if (getFloatArrayType(field.ty, mod)) |some| return some;
}
return null;
},
.Struct => {
- const fields_len = ty.structFieldCount();
+ const fields_len = ty.structFieldCount(mod);
var i: u32 = 0;
while (i < fields_len) : (i += 1) {
- const field_ty = ty.structFieldType(i);
- if (getFloatArrayType(field_ty)) |some| return some;
+ const field_ty = ty.structFieldType(i, mod);
+ if (getFloatArrayType(field_ty, mod)) |some| return some;
}
return null;
},