From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../src/compiler_builtins.rs | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 compiler/rustc_codegen_cranelift/src/compiler_builtins.rs (limited to 'compiler/rustc_codegen_cranelift/src/compiler_builtins.rs') diff --git a/compiler/rustc_codegen_cranelift/src/compiler_builtins.rs b/compiler/rustc_codegen_cranelift/src/compiler_builtins.rs new file mode 100644 index 000000000..c6a247cf5 --- /dev/null +++ b/compiler/rustc_codegen_cranelift/src/compiler_builtins.rs @@ -0,0 +1,43 @@ +macro_rules! builtin_functions { + ($register:ident; $(fn $name:ident($($arg_name:ident: $arg_ty:ty),*) -> $ret_ty:ty;)*) => { + #[cfg(feature = "jit")] + #[allow(improper_ctypes)] + extern "C" { + $(fn $name($($arg_name: $arg_ty),*) -> $ret_ty;)* + } + + #[cfg(feature = "jit")] + pub(crate) fn $register(builder: &mut cranelift_jit::JITBuilder) { + for (name, val) in [$((stringify!($name), $name as *const u8)),*] { + builder.symbol(name, val); + } + } + }; +} + +builtin_functions! { + register_functions_for_jit; + + // integers + fn __multi3(a: i128, b: i128) -> i128; + fn __udivti3(n: u128, d: u128) -> u128; + fn __divti3(n: i128, d: i128) -> i128; + fn __umodti3(n: u128, d: u128) -> u128; + fn __modti3(n: i128, d: i128) -> i128; + fn __rust_u128_addo(a: u128, b: u128) -> (u128, bool); + fn __rust_i128_addo(a: i128, b: i128) -> (i128, bool); + fn __rust_u128_subo(a: u128, b: u128) -> (u128, bool); + fn __rust_i128_subo(a: i128, b: i128) -> (i128, bool); + fn __rust_u128_mulo(a: u128, b: u128) -> (u128, bool); + fn __rust_i128_mulo(a: i128, b: i128) -> (i128, bool); + + // floats + fn __floattisf(i: i128) -> f32; + fn __floattidf(i: i128) -> f64; + fn __floatuntisf(i: u128) -> f32; + fn __floatuntidf(i: u128) -> f64; + fn __fixsfti(f: f32) -> i128; + fn __fixdfti(f: f64) -> i128; + fn __fixunssfti(f: f32) -> u128; + fn __fixunsdfti(f: f64) -> u128; +} -- cgit v1.2.3