Fix AArch64InlineAsmReg::emit #131667
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Fix AArch64InlineAsmReg::emit #131667
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matthiaskrgr
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…t, r=Amanieu Fix AArch64InlineAsmReg::emit Currently, this method uses `self as u32 - Self::x0 as u32` to get register index: https://github.com/rust-lang/rust/blob/36780360b62320a61e2234b17ec600e8e4785509/compiler/rustc_target/src/asm/aarch64.rs#L204 However, this is incorrect for reasons explained in the following comment: https://github.com/rust-lang/rust/blob/36780360b62320a61e2234b17ec600e8e4785509/compiler/rustc_codegen_llvm/src/asm.rs#L544-L549 r? `@Amanieu` `@rustbot` label O-AArch64 +A-inline-assembly
This was referenced Oct 14, 2024
bors
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#129424 (Stabilize `Pin::as_deref_mut()`) - rust-lang#131332 (Fix clobber_abi and disallow SVE-related registers in Arm64EC inline assembly) - rust-lang#131384 (Update precondition tests (especially for zero-size access to null)) - rust-lang#131430 (Special treatment empty tuple when suggest adding a string literal in format macro.) - rust-lang#131550 (Make some tweaks to extern block diagnostics) - rust-lang#131667 (Fix AArch64InlineAsmReg::emit) - rust-lang#131679 (compiletest: Document various parts of compiletest's `lib.rs`) - rust-lang#131682 (Tag PRs affecting compiletest with `A-compiletest`) Failed merges: - rust-lang#131496 (Stabilise `const_make_ascii`.) r? `@ghost` `@rustbot` modify labels: rollup
bors
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#129424 (Stabilize `Pin::as_deref_mut()`) - rust-lang#131332 (Fix clobber_abi and disallow SVE-related registers in Arm64EC inline assembly) - rust-lang#131384 (Update precondition tests (especially for zero-size access to null)) - rust-lang#131430 (Special treatment empty tuple when suggest adding a string literal in format macro.) - rust-lang#131550 (Make some tweaks to extern block diagnostics) - rust-lang#131667 (Fix AArch64InlineAsmReg::emit) - rust-lang#131679 (compiletest: Document various parts of compiletest's `lib.rs`) - rust-lang#131682 (Tag PRs affecting compiletest with `A-compiletest`) Failed merges: - rust-lang#131496 (Stabilise `const_make_ascii`.) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer
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Rollup merge of rust-lang#131667 - taiki-e:aarch64-inline-asm-reg-emit, r=Amanieu Fix AArch64InlineAsmReg::emit Currently, this method uses `self as u32 - Self::x0 as u32` to get register index: https://github.com/rust-lang/rust/blob/36780360b62320a61e2234b17ec600e8e4785509/compiler/rustc_target/src/asm/aarch64.rs#L204 However, this is incorrect for reasons explained in the following comment: https://github.com/rust-lang/rust/blob/36780360b62320a61e2234b17ec600e8e4785509/compiler/rustc_codegen_llvm/src/asm.rs#L544-L549 r? ``@Amanieu`` ``@rustbot`` label O-AArch64 +A-inline-assembly
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Currently, this method uses
self as u32 - Self::x0 as u32to get register index:rust/compiler/rustc_target/src/asm/aarch64.rs
Line 204 in 3678036
However, this is incorrect for reasons explained in the following comment:
rust/compiler/rustc_codegen_llvm/src/asm.rs
Lines 544 to 549 in 3678036
r? @Amanieu
@rustbot label O-AArch64 +A-inline-assembly