diff options
Diffstat (limited to 'src/test/incremental/hashes/inline_asm.rs')
| -rw-r--r-- | src/test/incremental/hashes/inline_asm.rs | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/src/test/incremental/hashes/inline_asm.rs b/src/test/incremental/hashes/inline_asm.rs new file mode 100644 index 00000000000..a1057c036d6 --- /dev/null +++ b/src/test/incremental/hashes/inline_asm.rs @@ -0,0 +1,265 @@ +// Copyright 2016 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + + +// This test case tests the incremental compilation hash (ICH) implementation +// for inline asm. + +// The general pattern followed here is: Change one thing between rev1 and rev2 +// and make sure that the hash has changed, then change nothing between rev2 and +// rev3 and make sure that the hash has not changed. + +// must-compile-successfully +// revisions: cfail1 cfail2 cfail3 +// compile-flags: -Z query-dep-graph + +#![allow(warnings)] +#![feature(rustc_attrs)] +#![feature(asm)] +#![crate_type="rlib"] + + + +// Change template ------------------------------------------------------------- +#[cfg(cfail1)] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_template(a: i32) -> i32 { + let c: i32; + unsafe { + asm!("add 1, $0" + : "=r"(c) + : "0"(a) + : + : + ); + } + c +} + +#[cfg(not(cfail1))] +#[rustc_clean(label="Hir", cfg="cfail2")] +#[rustc_clean(label="Hir", cfg="cfail3")] +#[rustc_dirty(label="HirBody", cfg="cfail2")] +#[rustc_clean(label="HirBody", cfg="cfail3")] +#[rustc_metadata_clean(cfg="cfail2")] +#[rustc_metadata_clean(cfg="cfail3")] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_template(a: i32) -> i32 { + let c: i32; + unsafe { + asm!("add 2, $0" + : "=r"(c) + : "0"(a) + : + : + ); + } + c +} + + + +// Change output ------------------------------------------------------------- +#[cfg(cfail1)] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_output(a: i32) -> i32 { + let mut _out1: i32 = 0; + let mut _out2: i32 = 0; + unsafe { + asm!("add 1, $0" + : "=r"(_out1) + : "0"(a) + : + : + ); + } + _out1 +} + +#[cfg(not(cfail1))] +#[rustc_clean(label="Hir", cfg="cfail2")] +#[rustc_clean(label="Hir", cfg="cfail3")] +#[rustc_dirty(label="HirBody", cfg="cfail2")] +#[rustc_clean(label="HirBody", cfg="cfail3")] +#[rustc_metadata_clean(cfg="cfail2")] +#[rustc_metadata_clean(cfg="cfail3")] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_output(a: i32) -> i32 { + let mut _out1: i32 = 0; + let mut _out2: i32 = 0; + unsafe { + asm!("add 1, $0" + : "=r"(_out2) + : "0"(a) + : + : + ); + } + _out1 +} + + + +// Change input ------------------------------------------------------------- +#[cfg(cfail1)] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_input(_a: i32, _b: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "0"(_a) + : + : + ); + } + _out +} + +#[cfg(not(cfail1))] +#[rustc_clean(label="Hir", cfg="cfail2")] +#[rustc_clean(label="Hir", cfg="cfail3")] +#[rustc_dirty(label="HirBody", cfg="cfail2")] +#[rustc_clean(label="HirBody", cfg="cfail3")] +#[rustc_metadata_clean(cfg="cfail2")] +#[rustc_metadata_clean(cfg="cfail3")] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_input(_a: i32, _b: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "0"(_b) + : + : + ); + } + _out +} + + + +// Change input constraint ----------------------------------------------------- +#[cfg(cfail1)] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_input_constraint(_a: i32, _b: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "0"(_a), "r"(_b) + : + : + ); + } + _out +} + +#[cfg(not(cfail1))] +#[rustc_clean(label="Hir", cfg="cfail2")] +#[rustc_clean(label="Hir", cfg="cfail3")] +#[rustc_dirty(label="HirBody", cfg="cfail2")] +#[rustc_clean(label="HirBody", cfg="cfail3")] +#[rustc_metadata_clean(cfg="cfail2")] +#[rustc_metadata_clean(cfg="cfail3")] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_input_constraint(_a: i32, _b: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "r"(_a), "0"(_b) + : + : + ); + } + _out +} + + + +// Change clobber -------------------------------------------------------------- +#[cfg(cfail1)] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_clobber(_a: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "0"(_a) + : + : + ); + } + _out +} + +#[cfg(not(cfail1))] +#[rustc_clean(label="Hir", cfg="cfail2")] +#[rustc_clean(label="Hir", cfg="cfail3")] +#[rustc_dirty(label="HirBody", cfg="cfail2")] +#[rustc_clean(label="HirBody", cfg="cfail3")] +#[rustc_metadata_clean(cfg="cfail2")] +#[rustc_metadata_clean(cfg="cfail3")] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_clobber(_a: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "0"(_a) + : "eax" + : + ); + } + _out +} + + + +// Change options -------------------------------------------------------------- +#[cfg(cfail1)] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_options(_a: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "0"(_a) + : + : + ); + } + _out +} + +#[cfg(not(cfail1))] +#[rustc_clean(label="Hir", cfg="cfail2")] +#[rustc_clean(label="Hir", cfg="cfail3")] +#[rustc_dirty(label="HirBody", cfg="cfail2")] +#[rustc_clean(label="HirBody", cfg="cfail3")] +#[rustc_metadata_clean(cfg="cfail2")] +#[rustc_metadata_clean(cfg="cfail3")] +#[cfg(any(target_arch = "x86", target_arch = "x86_64"))] +fn change_options(_a: i32) -> i32 { + let _out; + unsafe { + asm!("add 1, $0" + : "=r"(_out) + : "0"(_a) + : + : "volatile" + ); + } + _out +} + + + |