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stage2 aarch64: add .memory prong in genSetReg

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Jakub Konka 2020-11-11 00:38:49 +01:00
parent f512676d0b
commit 993eb22a77
1 changed files with 11 additions and 5 deletions
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16
src/codegen.zig
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@ -2572,17 +2572,23 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movz(reg, @truncate(u16, x), 0).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @intCast(u16, x >> 16), 16).toU32());
} else if (x <= math.maxInt(u32)) {
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movz(reg, @intCast(u16, x), 0).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @intCast(u16, x >> 16), 16).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movz(reg, @truncate(u16, x), 0).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @truncate(u16, x >> 16), 16).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @intCast(u16, x >> 32), 32).toU32());
} else {
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movz(reg, @intCast(u16, x), 0).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @intCast(u16, x >> 16), 16).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @intCast(u16, x >> 32), 32).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movz(reg, @truncate(u16, x), 0).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @truncate(u16, x >> 16), 16).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @truncate(u16, x >> 32), 32).toU32());
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.movk(reg, @intCast(u16, x >> 48), 48).toU32());
}
},
.register => return self.fail(src, "TODO implement genSetReg for aarch64 {}", .{mcv}),
.memory => |addr| {
// The value is in memory at a hard-coded address.
// If the type is a pointer, it means the pointer address is at this memory location.
try self.genSetReg(src, reg, .{ .immediate = addr });
mem.writeIntLittle(u32, try self.code.addManyAsArray(4), Instruction.ldr(reg, .{ .rn = reg }).toU32());
},
else => return self.fail(src, "TODO implement genSetReg for aarch64 {}", .{mcv}),
},
.riscv64 => switch (mcv) {