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cleanup
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parent
b39c592bea
commit
c0d67edfd3
5 changed files with 12 additions and 19 deletions
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@ -271,11 +271,6 @@ pub const RocStr = extern struct {
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const source_ptr = self.asU8ptr();
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const dest_ptr = result.asU8ptrMut();
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const builtin = @import("builtin");
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if (builtin.target.cpu.arch != .wasm32) {
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std.debug.print("allocating a big thing? {s}\n", .{source_ptr[0..old_length]});
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}
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std.mem.copy(u8, dest_ptr[0..old_length], source_ptr[0..old_length]);
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std.mem.set(u8, dest_ptr[old_length .. old_length + delta_length], 0);
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@ -285,16 +280,13 @@ pub const RocStr = extern struct {
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} else {
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var string = RocStr.empty();
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// I believe taking this reference on the stack here is important for correctness.
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// Doing it via a method call seemed to cause issues
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const dest_ptr = @ptrCast([*]u8, &string);
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dest_ptr[@sizeOf(RocStr) - 1] = @intCast(u8, new_length) | 0b1000_0000;
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const source_ptr = self.asU8ptr();
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const builtin = @import("builtin");
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if (builtin.target.cpu.arch != .wasm32) {
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std.debug.print("allocating a small thing? {s}\n", .{source_ptr[0..old_length]});
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}
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std.mem.copy(u8, dest_ptr[0..old_length], source_ptr[0..old_length]);
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std.mem.set(u8, dest_ptr[old_length .. old_length + delta_length], 0);
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@ -219,9 +219,6 @@ pub fn decrefDataPtrC(
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bytes_or_null: ?[*]isize,
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alignment: u32,
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) callconv(.C) void {
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if (DEBUG_ALLOC and builtin.target.cpu.arch != .wasm32) {
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std.debug.print("we will decref the data pointer {*}\n", .{bytes_or_null});
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}
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var bytes = bytes_or_null orelse return;
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const data_ptr = @ptrToInt(bytes);
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@ -510,6 +510,7 @@ impl CallConv<AArch64GeneralReg, AArch64FloatReg, AArch64Assembler> for AArch64C
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args: &'a [(InLayout<'a>, Symbol)],
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ret_layout: &InLayout<'a>,
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) {
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// loading arguments occurs at an offset (but storing arguments does not)
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let mut state = AArch64CallLoadArgs {
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general_i: 0,
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float_i: 0,
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@ -550,6 +551,7 @@ impl CallConv<AArch64GeneralReg, AArch64FloatReg, AArch64Assembler> for AArch64C
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);
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}
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// storing arguments does not have a stack offset (loading arguments does)
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let mut state = AArch64CallStoreArgs {
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general_i: 0,
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float_i: 0,
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@ -1137,9 +1139,7 @@ impl AArch64CallStoreArgs {
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self.general_i += 1;
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}
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None => {
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// Copy to stack using return reg as buffer.
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let tmp = AArch64GeneralReg::X15;
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ASM::mov_reg64_base32(buf, tmp, offset);
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ASM::mov_stack32_reg64(buf, self.tmp_stack_offset, tmp);
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@ -1167,9 +1167,7 @@ impl AArch64CallStoreArgs {
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self.general_i += 2;
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} else {
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// Copy to stack using return reg as buffer.
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let reg = AArch64GeneralReg::X15;
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ASM::mov_reg64_base32(buf, reg, offset);
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ASM::mov_stack32_reg64(buf, self.tmp_stack_offset, reg);
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@ -3184,6 +3184,12 @@ impl<
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let mut element_symbols = std::vec::Vec::new();
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// NOTE: this realizes all the list elements on the stack before they are put into the
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// list. This turns out to be important. Creating the literals as we go causes issues with
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// register usage.
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//
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// Of course this is inefficient when there are many elements (causes lots of stack
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// spillage.
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for (i, elem) in elements.iter().enumerate() {
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match elem {
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ListLiteralElement::Symbol(sym) => {
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@ -3228,11 +3234,9 @@ impl<
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}
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// Setup list on stack.
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dbg!("we will now be putting things onto the stack");
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self.storage_manager.with_tmp_general_reg(
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&mut self.buf,
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|storage_manager, buf, tmp_reg| {
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dbg!(tmp_reg);
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let alignment = Ord::max(8, element_alignment) as u32;
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let base_offset =
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storage_manager.claim_stack_area_with_alignment(*sym, 24, alignment);
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@ -2039,6 +2039,8 @@ impl Assembler<X86_64GeneralReg, X86_64FloatReg> for X86_64Assembler {
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name: fn_name,
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});
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// on X86_64, we actually get a pointer to a pointer
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// so we just dereference to get just a pointer to the data
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X86_64Assembler::mov_reg64_mem64_offset32(buf, dst, dst, 0);
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}
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