authorgravatar for joachim.schmidt557@outlook.comJoachim Schmidt <joachim.schmidt557@outlook.com> 2022-02-16 00:48:22+01:00
committergravatar for joachim.schmidt557@outlook.comJoachim Schmidt <joachim.schmidt557@outlook.com> 2022-02-19 12:04:54+01:00
log23915c2c444b257009816d00c15d6f2475a161b0
treefb714f87d739708eb049ab8d399e90ff3580b023
parent2f0204aca303daf899a97c740719a62398adc206
signaturelock-open Commit is signed but in an unrecognized format.

stage2 ARM: simplify invocations of genInlineMemcpy

1 files changed, 4 insertions(+), 45 deletions(-)

src/arch/arm/CodeGen.zig+4-45
...@@ -1499,31 +1499,10 @@ fn load(self: *Self, dst_mcv: MCValue, ptr: MCValue, ptr_ty: Type) InnerError!vo...@@ -1499,31 +1499,10 @@ fn load(self: *Self, dst_mcv: MCValue, ptr: MCValue, ptr_ty: Type) InnerError!vo
1499 const tmp_reg = regs[3];1499 const tmp_reg = regs[3];
15001500
1501 // sub dst_reg, fp, #off1501 // sub dst_reg, fp, #off
1502 const adj_off = off + elem_size;1502 try self.genSetReg(ptr_ty, dst_reg, .{ .ptr_stack_offset = off });
1503 const offset_op: Instruction.Operand = if (Instruction.Operand.fromU32(adj_off)) |x| x else {
1504 return self.fail("TODO load: set reg to stack offset with all possible offsets", .{});
1505 };
1506 _ = try self.addInst(.{
1507 .tag = .sub,
1508 .data = .{ .rr_op = .{
1509 .rd = dst_reg,
1510 .rn = .fp,
1511 .op = offset_op,
1512 } },
1513 });
15141503
1515 // mov len, #elem_size1504 // mov len, #elem_size
1516 const len_op: Instruction.Operand = if (Instruction.Operand.fromU32(elem_size)) |x| x else {1505 try self.genSetReg(Type.usize, len_reg, .{ .immediate = elem_size });
1517 return self.fail("TODO load: set reg to elem_size with all possible sizes", .{});
1518 };
1519 _ = try self.addInst(.{
1520 .tag = .mov,
1521 .data = .{ .rr_op = .{
1522 .rd = len_reg,
1523 .rn = .r0,
1524 .op = len_op,
1525 } },
1526 });
15271506
1528 // memcpy(src, dst, len)1507 // memcpy(src, dst, len)
1529 try self.genInlineMemcpy(src_reg, dst_reg, len_reg, count_reg, tmp_reg);1508 try self.genInlineMemcpy(src_reg, dst_reg, len_reg, count_reg, tmp_reg);
...@@ -3342,17 +3321,7 @@ fn genSetStack(self: *Self, ty: Type, stack_offset: u32, mcv: MCValue) InnerErro...@@ -3342,17 +3321,7 @@ fn genSetStack(self: *Self, ty: Type, stack_offset: u32, mcv: MCValue) InnerErro
3342 });3321 });
33433322
3344 // mov len, #abi_size3323 // mov len, #abi_size
3345 const len_op: Instruction.Operand = if (Instruction.Operand.fromU32(abi_size)) |x| x else {3324 try self.genSetReg(Type.usize, len_reg, .{ .immediate = abi_size });
3346 return self.fail("TODO load: set reg to elem_size with all possible sizes", .{});
3347 };
3348 _ = try self.addInst(.{
3349 .tag = .mov,
3350 .data = .{ .rr_op = .{
3351 .rd = len_reg,
3352 .rn = .r0,
3353 .op = len_op,
3354 } },
3355 });
33563325
3357 // memcpy(src, dst, len)3326 // memcpy(src, dst, len)
3358 try self.genInlineMemcpy(src_reg, dst_reg, len_reg, count_reg, tmp_reg);3327 try self.genInlineMemcpy(src_reg, dst_reg, len_reg, count_reg, tmp_reg);
...@@ -3738,17 +3707,7 @@ fn genSetStackArgument(self: *Self, ty: Type, stack_offset: u32, mcv: MCValue) I...@@ -3738,17 +3707,7 @@ fn genSetStackArgument(self: *Self, ty: Type, stack_offset: u32, mcv: MCValue) I
3738 });3707 });
37393708
3740 // mov len, #abi_size3709 // mov len, #abi_size
3741 const len_op: Instruction.Operand = if (Instruction.Operand.fromU32(abi_size)) |x| x else {3710 try self.genSetReg(Type.usize, len_reg, .{ .immediate = abi_size });
3742 return self.fail("TODO load: set reg to elem_size with all possible sizes", .{});
3743 };
3744 _ = try self.addInst(.{
3745 .tag = .mov,
3746 .data = .{ .rr_op = .{
3747 .rd = len_reg,
3748 .rn = .r0,
3749 .op = len_op,
3750 } },
3751 });
37523711
3753 // memcpy(src, dst, len)3712 // memcpy(src, dst, len)
3754 try self.genInlineMemcpy(src_reg, dst_reg, len_reg, count_reg, tmp_reg);3713 try self.genInlineMemcpy(src_reg, dst_reg, len_reg, count_reg, tmp_reg);