8000 Sync rustc_codegen_cranelift by bjorn3 · Pull Request #117124 · rust-lang/rust · GitHub
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Sync rustc_codegen_cranelift #117124

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Merged
merged 12 commits into from
Oct 24, 2023
Merged

Sync rustc_codegen_cranelift #117124

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e472b55
Merge commit 'c07d1e2f88cb3b1a0604ae8f18b478c1aeb7a7fa' into sync_cg_…
bjorn3 Oct 21, 2023
a99b1b4
Merge branch 'sync_from_rust'
bjorn3 Oct 21, 2023
38e8be9
Add create_stack_slot helper to FunctionCx
bjorn3 Oct 22, 2023
55380a5
Dynamically realign local variables with large alignment
bjorn3 Oct 22, 2023
56c6c86
Simplify FunctionCx::create_stack_slot a bit
bjorn3 Oct 22, 2023
7c4fcd4
Update readme for the move to the rust-lang org
bjorn3 Oct 22, 2023
ed8c515
Avoid collect_and_partition_mono_items call when not doing codegen
bjorn3 Oct 23, 2023
e5ba1e8
Implement llvm intrinsics necessary for rav1e
bjorn3 Oct 23, 2023
efd3081
Update rust-analyzer config
bjorn3 Oct 23, 2023
a558968
Implement all llvm intrinsics necessary for the image crate
bjorn3 Oct 23, 2023
93a5433
Update Cranelift to 0.101.1
bjorn3 Oct 23, 2023
484bc7f
Merge commit '93a5433f17ab5ed48cc88f1e69b0713b16183373' into sync_cg_…
bjorn3 Oct 24, 2023
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Simplify FunctionCx::create_stack_slot a bit
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@bjorn3
bjorn3 committed Oct 22, 2023
commit 56c6c86661498c61a0f877e43c9e6aa928882fa1
8 changes: 1 addition & 7 deletions src/common.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -395,13 +395,7 @@ impl<'tcx> FunctionCx<'_, '_, 'tcx> {
} else {
// Alignment is too big to handle using the above hack. Dynamically realign a stack slot
// instead. This wastes some space for the realignment.
let stack_slot = self.bcx.create_sized_stack_slot(StackSlotData {
kind: StackSlotKind::ExplicitSlot,
// FIXME is this calculation to ensure there is enough space to dyanmically realign
// as well as keep a 16 byte realignment for the other stack slots correct?
size: ((size + align - 1) + 16) / 16 * 16,
});
let base_ptr = self.bcx.ins().stack_addr(self.pointer_type, stack_slot, 0);
let base_ptr = self.create_stack_slot(size + align, 16).get_addr(self);
let misalign_offset = self.bcx.ins().urem_imm(base_ptr, i64::from(align));
let realign_offset = self.bcx.ins().irsub_imm(misalign_offset, i64::from(align));
Pointer::new(self.bcx.ins().iadd(base_ptr, realign_offset))
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