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stage2 AArch64: implement strb and strh

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joachimschmidt557
2021-03-27 21:39:55 +01:00
committed by Jakub Konka
parent 501b4aff99
commit e088a17f56
2 changed files with 63 additions and 33 deletions
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10
src/codegen.zig
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@@ -3111,7 +3111,7 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
const adj_off = stack_offset + abi_size;
switch (abi_size) {
4, 8 => {
1, 2, 4, 8 => {
const offset = if (math.cast(i9, adj_off)) |imm|
Instruction.LoadStoreOffset.imm_post_index(-imm)
else |_|
@@ -3121,8 +3121,14 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
.aarch64_32 => .w29,
else => unreachable,
};
const str = switch (abi_size) {
1 => Instruction.strb,
2 => Instruction.strh,
4, 8 => Instruction.str,
else => unreachable, // unexpected abi size
};
writeInt(u32, try self.code.addManyAsArray(4), Instruction.str(reg, rn, .{
writeInt(u32, try self.code.addManyAsArray(4), str(reg, rn, .{
.offset = offset,
}).toU32());
},