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The windows special-cases only apply to x64

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This commit is contained in:
Simonas Kazlauskas 2016-12-21 21:28:13 +02:00 committed by est31
parent e0e53773e3
commit 5a853b0422
1 changed files with 40 additions and 32 deletions
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72
src/libcompiler_builtins/lib.rs
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@ -51,22 +51,22 @@ pub mod reimpls {
// match here what LLVM expects from us. This is only
// required for the return type!
#[cfg(not(stage0))]
#[cfg(windows)]
#[cfg(all(windows, target_pointer_width="64"))]
#[repr(simd)]
pub struct u64x2(u64, u64);
#[cfg(not(stage0))]
#[cfg(windows)]
#[cfg(all(windows, target_pointer_width="64")]
type u128ret = u64x2;
#[cfg(any(not(windows),stage0))]
#[cfg(any(not(all(windows, target_pointer_width="64")),stage0))]
type u128ret = u128_;
#[cfg(not(stage0))]
#[cfg(windows)]
#[cfg(all(windows, target_pointer_width="64")]
type i128ret = u64x2;
#[cfg(any(not(windows),stage0))]
#[cfg(any(not(all(windows, target_pointer_width="64")),stage0))]
type i128ret = i128_;
macro_rules! ashl {
@ -477,11 +477,11 @@ pub mod reimpls {
#[repr(C, packed)] struct Parts(u64, u64);
unsafe { ::core::mem::transmute(Parts(low, high)) }
}
#[cfg(not(windows))]
#[cfg(not(all(windows, target_pointer_width="64")))]
fn to_ret(self) -> u128ret {
self
}
#[cfg(windows)]
#[cfg(all(windows, target_pointer_width="64"))]
fn to_ret(self) -> u128ret {
u64x2(self.low(), self.high())
}
@ -501,11 +501,11 @@ pub mod reimpls {
fn from_parts(low: u64, high: i64) -> i128 {
u128::from_parts(low, high as u64) as i128
}
#[cfg(not(windows))]
#[cfg(not(all(windows, target_pointer_width="64")))]
fn to_ret(self) -> i128ret {
self
}
#[cfg(windows)]
#[cfg(all(windows, target_pointer_width="64"))]
fn to_ret(self) -> i128ret {
u64x2(self.low(), self.high() as u64)
}
@ -693,30 +693,35 @@ pub mod reimpls {
// LLVM expectations for ABI on windows are pure madness.
#[cfg(not(stage0))]
#[cfg_attr(windows, export_name="__floattidf")]
pub extern "C" fn i128_as_f64_win(alow: u64, ahigh: i64) -> f64 {
i128_as_f64(i128_::from_parts(alow, ahigh))
}
#[cfg(all(windows, target_pointer_width="64"))]
mod windows_64_workarounds {
#[export_name="__floattidf"]
pub extern "C" fn i128_as_f64_win(alow: u64, ahigh: i64) -> f64 {
::i128_as_f64(i128_::from_parts(alow, ahigh))
}
#[export_name="__floattisf"]
pub extern "C" fn i128_as_f32_win(alow: u64, ahigh: i64) -> f32 {
::i128_as_f32(i128_::from_parts(alow, ahigh))
}
#[export_name="__floatuntidf"]
pub extern "C" fn u128_as_f64_win(alow: u64, ahigh: u64) -> f64 {
::u128_as_f64(u128_::from_parts(alow, ahigh))
}
#[export_name="__floatuntisf"]
pub extern "C" fn u128_as_f32_win(alow: u64, ahigh: u64) -> f32 {
::u128_as_f32(u128_::from_parts(alow, ahigh))
}
}
#[cfg(not(stage0))]
#[cfg_attr(windows, export_name="__floattisf")]
pub extern "C" fn i128_as_f32_win(alow: u64, ahigh: i64) -> f32 {
i128_as_f32(i128_::from_parts(alow, ahigh))
}
#[cfg(all(windows, target_pointer_width="64"))]
pub use windows_64_workarounds::*;
#[cfg(not(stage0))]
#[cfg_attr(windows, export_name="__floatuntidf")]
pub extern "C" fn u128_as_f64_win(alow: u64, ahigh: u64) -> f64 {
u128_as_f64(u128_::from_parts(alow, ahigh))
}
#[cfg(not(stage0))]
#[cfg_attr(windows, export_name="__floatuntisf")]
pub extern "C" fn u128_as_f32_win(alow: u64, ahigh: u64) -> f32 {
u128_as_f32(u128_::from_parts(alow, ahigh))
}
#[cfg_attr(any(not(windows),stage0),export_name="__floattidf")]
#[cfg_attr(not(all(windows, target_pointer_width="64", not(stage0))),
export_name="__floattidf")]
pub extern "C" fn i128_as_f64(a: i128_) -> f64 {
match a.signum() {
1 => u128_as_f64(a.uabs()),
@ -725,7 +730,8 @@ pub mod reimpls {
}
}
#[cfg_attr(any(not(windows),stage0),export_name="__floattisf")]
#[cfg_attr(not(all(windows, target_pointer_width="64", not(stage0))),
export_name="__floattisf")]
pub extern "C" fn i128_as_f32(a: i128_) -> f32 {
match a.signum() {
1 => u128_as_f32(a.uabs()),
@ -734,7 +740,8 @@ pub mod reimpls {
}
}
#[cfg_attr(any(not(windows),stage0),export_name="__floatuntidf")]
#[cfg_attr(not(all(windows, target_pointer_width="64", not(stage0))),
export_name="__floatuntidf")]
pub extern "C" fn u128_as_f64(mut a: u128_) -> f64 {
use ::core::f64::MANTISSA_DIGITS;
if a == 0 { return 0.0; }
@ -770,7 +777,8 @@ pub mod reimpls {
}
}
#[cfg_attr(any(not(windows),stage0),export_name="__floatuntisf")]
#[cfg_attr(not(all(windows, target_pointer_width="64", not(stage0))),
export_name="__floatuntisf")]
pub extern "C" fn u128_as_f32(mut a: u128_) -> f32 {
use ::core::f32::MANTISSA_DIGITS;
if a == 0 { return 0.0; }