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RalfJungRalfJung
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use x86-sse2 ABI for all applicable x86-32 targets
1 parent c70fc60 commit 9d53e37

16 files changed

+40
-22
lines changed

‎compiler/rustc_target/src/spec/base/apple/mod.rs

+7-3
Original file line numberDiff line numberDiff line change
@@ -2,8 +2,8 @@ use std::borrow::Cow;
22
use std::env;
33

44
use crate::spec::{
5-
Cc, DebuginfoKind, FloatAbi, FramePointer, LinkerFlavor, Lld, SplitDebuginfo, StackProbeType,
6-
StaticCow, TargetOptions, cvs,
5+
Cc, DebuginfoKind, FloatAbi, FramePointer, LinkerFlavor, Lld, RustAbi, SplitDebuginfo,
6+
StackProbeType, StaticCow, TargetOptions, cvs,
77
};
88

99
#[cfg(test)]
@@ -103,7 +103,7 @@ pub(crate) fn base(
103103
arch: Arch,
104104
abi: TargetAbi,
105105
) -> (TargetOptions, StaticCow<str>, StaticCow<str>) {
106-
let opts = TargetOptions {
106+
let mut opts = TargetOptions {
107107
abi: abi.target_abi().into(),
108108
llvm_floatabi: Some(FloatAbi::Hard),
109109
os: os.into(),
@@ -154,6 +154,10 @@ pub(crate) fn base(
154154

155155
..Default::default()
156156
};
157+
if matches!(arch, Arch::I386 | Arch::I686) {
158+
// All Apple x86-32 targets have SSE2.
159+
opts.rust_abi = Some(RustAbi::X86Sse2);
160+
}
157161
(opts, unversioned_llvm_target(os, arch, abi), arch.target_arch())
158162
}
159163

‎compiler/rustc_target/src/spec/targets/i586_pc_nto_qnx700.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
use crate::spec::{Cc, LinkerFlavor, Lld, StackProbeType, Target, TargetOptions, base};
1+
use crate::spec::{Cc, LinkerFlavor, Lld, RustAbi, StackProbeType, Target, TargetOptions, base};
22

33
pub(crate) fn target() -> Target {
44
Target {
@@ -15,6 +15,7 @@ pub(crate) fn target() -> Target {
1515
.into(),
1616
arch: "x86".into(),
1717
options: TargetOptions {
18+
rust_abi: Some(RustAbi::X86Sse2),
1819
cpu: "pentium4".into(),
1920
max_atomic_width: Some(64),
2021
pre_link_args: TargetOptions::link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &[

‎compiler/rustc_target/src/spec/targets/i686_linux_android.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
use crate::spec::{SanitizerSet, StackProbeType, Target, TargetOptions, base};
1+
use crate::spec::{RustAbi, SanitizerSet, StackProbeType, Target, TargetOptions, base};
22

33
// See https://developer.android.com/ndk/guides/abis.html#x86
44
// for target ABI requirements.
@@ -8,6 +8,7 @@ pub(crate) fn target() -> Target {
88

99
base.max_atomic_width = Some(64);
1010

11+
base.rust_abi = Some(RustAbi::X86Sse2);
1112
// https://developer.android.com/ndk/guides/abis.html#x86
1213
base.cpu = "pentiumpro".into();
1314
base.features = "+mmx,+sse,+sse2,+sse3,+ssse3".into();

‎compiler/rustc_target/src/spec/targets/i686_pc_windows_gnu.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, Target, base};
1+
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, RustAbi, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::windows_gnu::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.frame_pointer = FramePointer::Always; // Required for backtraces

‎compiler/rustc_target/src/spec/targets/i686_pc_windows_gnullvm.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, Target, base};
1+
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, RustAbi, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::windows_gnullvm::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.frame_pointer = FramePointer::Always; // Required for backtraces

‎compiler/rustc_target/src/spec/targets/i686_pc_windows_msvc.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{LinkerFlavor, Lld, SanitizerSet, Target, base};
1+
use crate::spec::{LinkerFlavor, Lld, RustAbi, SanitizerSet, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::windows_msvc::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.supported_sanitizers = SanitizerSet::ADDRESS;

‎compiler/rustc_target/src/spec/targets/i686_unknown_freebsd.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, LinkerFlavor, Lld, StackProbeType, Target, base};
1+
use crate::spec::{Cc, LinkerFlavor, Lld, RustAbi, StackProbeType, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::freebsd::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m32", "-Wl,-znotext"]);

‎compiler/rustc_target/src/spec/targets/i686_unknown_haiku.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, LinkerFlavor, Lld, StackProbeType, Target, base};
1+
use crate::spec::{Cc, LinkerFlavor, Lld, RustAbi, StackProbeType, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::haiku::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m32"]);

‎compiler/rustc_target/src/spec/targets/i686_unknown_netbsd.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, LinkerFlavor, Lld, StackProbeType, Target, TargetOptions, base};
1+
use crate::spec::{Cc, LinkerFlavor, Lld, RustAbi, StackProbeType, Target, TargetOptions, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::netbsd::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m32"]);

‎compiler/rustc_target/src/spec/targets/i686_unknown_openbsd.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, LinkerFlavor, Lld, StackProbeType, Target, base};
1+
use crate::spec::{Cc, LinkerFlavor, Lld, RustAbi, StackProbeType, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::openbsd::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m32", "-fuse-ld=lld"]);

‎compiler/rustc_target/src/spec/targets/i686_uwp_windows_gnu.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, Target, base};
1+
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, RustAbi, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::windows_uwp_gnu::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.frame_pointer = FramePointer::Always; // Required for backtraces

‎compiler/rustc_target/src/spec/targets/i686_uwp_windows_msvc.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Target, base};
1+
use crate::spec::{RustAbi, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::windows_uwp_msvc::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78

‎compiler/rustc_target/src/spec/targets/i686_win7_windows_gnu.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,9 @@
1-
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, Target, base};
1+
use crate::spec::{Cc, FramePointer, LinkerFlavor, Lld, RustAbi, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::windows_gnu::opts();
55
base.vendor = "win7".into();
6+
base.rust_abi = Some(RustAbi::X86Sse2);
67
base.cpu = "pentium4".into();
78
base.max_atomic_width = Some(64);
89
base.frame_pointer = FramePointer::Always; // Required for backtraces

‎compiler/rustc_target/src/spec/targets/i686_win7_windows_msvc.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,9 @@
1-
use crate::spec::{LinkerFlavor, Lld, SanitizerSet, Target, base};
1+
use crate::spec::{LinkerFlavor, Lld, RustAbi, SanitizerSet, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::windows_msvc::opts();
55
base.vendor = "win7".into();
6+
base.rust_abi = Some(RustAbi::X86Sse2);
67
base.cpu = "pentium4".into();
78
base.max_atomic_width = Some(64);
89
base.supported_sanitizers = SanitizerSet::ADDRESS;

‎compiler/rustc_target/src/spec/targets/i686_wrs_vxworks.rs

+2-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,8 @@
1-
use crate::spec::{Cc, LinkerFlavor, Lld, StackProbeType, Target, base};
1+
use crate::spec::{Cc, LinkerFlavor, Lld, RustAbi, StackProbeType, Target, base};
22

33
pub(crate) fn target() -> Target {
44
let mut base = base::vxworks::opts();
5+
base.rust_abi = Some(RustAbi::X86Sse2);
56
base.cpu = "pentium4".into();
67
base.max_atomic_width = Some(64);
78
base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m32"]);

‎src/doc/rustc/src/platform-support.md

+5-5
Original file line numberDiff line numberDiff line change
@@ -304,13 +304,13 @@ target | std | host | notes
304304
[`hexagon-unknown-none-elf`](platform-support/hexagon-unknown-none-elf.md)| * | | Bare Hexagon (v60+, HVX)
305305
[`i386-apple-ios`](platform-support/apple-ios.md) | ✓ | | 32-bit x86 iOS [^x86_32-floats-return-ABI]
306306
[`i586-pc-nto-qnx700`](platform-support/nto-qnx.md) | * | | 32-bit x86 QNX Neutrino 7.0 RTOS [^x86_32-floats-return-ABI]
307-
[`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ | | 32-bit x86, restricted to Pentium
307+
[`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ | | 32-bit x86, restricted to Pentium [^x86_32-floats-x87]
308308
[`i686-apple-darwin`](platform-support/apple-darwin.md) | ✓ | ✓ | 32-bit macOS (10.12+, Sierra+) [^x86_32-floats-return-ABI]
309-
`i686-unknown-haiku` | ✓ | ✓ | 32-bit Haiku [^x86_32-floats-return-ABI]
310-
[`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd [^x86_32-floats-return-ABI]
309+
`i686-unknown-haiku` | ✓ | ✓ | 32-bit Haiku with SSE [^x86_32-floats-return-ABI]
310+
[`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd w/o SSE [^x86_32-floats-x87]
311311
[`i686-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | NetBSD/i386 with SSE2 [^x86_32-floats-return-ABI]
312-
[`i686-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 32-bit OpenBSD [^x86_32-floats-return-ABI]
313-
[`i686-unknown-redox`](platform-support/redox.md) | ✓ | | i686 Redox OS
312+
[`i686-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 32-bit OpenBSD with SSE2 [^x86_32-floats-return-ABI]
313+
[`i686-unknown-redox`](platform-support/redox.md) | ✓ | | i686 Redox OS w/o SSE [^x86_32-floats-x87]
314314
`i686-uwp-windows-gnu` | ✓ | | [^x86_32-floats-return-ABI]
315315
[`i686-uwp-windows-msvc`](platform-support/uwp-windows-msvc.md) | ✓ | | [^x86_32-floats-return-ABI]
316316
[`i686-win7-windows-gnu`](platform-support/win7-windows-gnu.md) | ✓ | | 32-bit Windows 7 support [^x86_32-floats-return-ABI]

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