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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/assembly/asm/arm-modifiers.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/assembly/asm/arm-modifiers.rs')
-rw-r--r--src/test/assembly/asm/arm-modifiers.rs144
1 files changed, 144 insertions, 0 deletions
diff --git a/src/test/assembly/asm/arm-modifiers.rs b/src/test/assembly/asm/arm-modifiers.rs
new file mode 100644
index 000000000..88ffeaecf
--- /dev/null
+++ b/src/test/assembly/asm/arm-modifiers.rs
@@ -0,0 +1,144 @@
+// assembly-output: emit-asm
+// compile-flags: -O
+// compile-flags: --target armv7-unknown-linux-gnueabihf
+// compile-flags: -C target-feature=+neon
+// needs-llvm-components: arm
+
+#![feature(no_core, lang_items, rustc_attrs, repr_simd)]
+#![crate_type = "rlib"]
+#![no_core]
+#![allow(asm_sub_register, non_camel_case_types)]
+
+#[rustc_builtin_macro]
+macro_rules! asm {
+ () => {};
+}
+#[rustc_builtin_macro]
+macro_rules! concat {
+ () => {};
+}
+#[rustc_builtin_macro]
+macro_rules! stringify {
+ () => {};
+}
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+
+#[repr(simd)]
+pub struct f32x4(f32, f32, f32, f32);
+
+impl Copy for i32 {}
+impl Copy for f32 {}
+impl Copy for f64 {}
+impl Copy for f32x4 {}
+
+macro_rules! check {
+ ($func:ident $modifier:literal $reg:ident $ty:ident $mov:literal) => {
+ // -O and extern "C" guarantee that the selected register is always r0/s0/d0/q0
+ #[no_mangle]
+ pub unsafe extern "C" fn $func() -> $ty {
+ // Hack to avoid function merging
+ extern "Rust" {
+ fn dont_merge(s: &str);
+ }
+ dont_merge(stringify!($func));
+
+ let y;
+ asm!(concat!($mov, " {0:", $modifier, "}, {0:", $modifier, "}"), out($reg) y);
+ y
+ }
+ };
+}
+
+// CHECK-LABEL: reg:
+// CHECK: @APP
+// CHECK: mov r0, r0
+// CHECK: @NO_APP
+check!(reg "" reg i32 "mov");
+
+// CHECK-LABEL: sreg:
+// CHECK: @APP
+// CHECK: vmov.f32 s0, s0
+// CHECK: @NO_APP
+check!(sreg "" sreg f32 "vmov.f32");
+
+// CHECK-LABEL: sreg_low16:
+// CHECK: @APP
+// CHECK: vmov.f32 s0, s0
+// CHECK: @NO_APP
+check!(sreg_low16 "" sreg_low16 f32 "vmov.f32");
+
+// CHECK-LABEL: dreg:
+// CHECK: @APP
+// CHECK: vmov.f64 d0, d0
+// CHECK: @NO_APP
+check!(dreg "" dreg f64 "vmov.f64");
+
+// CHECK-LABEL: dreg_low16:
+// CHECK: @APP
+// CHECK: vmov.f64 d0, d0
+// CHECK: @NO_APP
+check!(dreg_low16 "" dreg_low16 f64 "vmov.f64");
+
+// CHECK-LABEL: dreg_low8:
+// CHECK: @APP
+// CHECK: vmov.f64 d0, d0
+// CHECK: @NO_APP
+check!(dreg_low8 "" dreg_low8 f64 "vmov.f64");
+
+// CHECK-LABEL: qreg:
+// CHECK: @APP
+// CHECK: vorr q0, q0, q0
+// CHECK: @NO_APP
+check!(qreg "" qreg f32x4 "vmov");
+
+// CHECK-LABEL: qreg_e:
+// CHECK: @APP
+// CHECK: vmov.f64 d0, d0
+// CHECK: @NO_APP
+check!(qreg_e "e" qreg f32x4 "vmov.f64");
+
+// CHECK-LABEL: qreg_f:
+// CHECK: @APP
+// CHECK: vmov.f64 d1, d1
+// CHECK: @NO_APP
+check!(qreg_f "f" qreg f32x4 "vmov.f64");
+
+// CHECK-LABEL: qreg_low8:
+// CHECK: @APP
+// CHECK: vorr q0, q0, q0
+// CHECK: @NO_APP
+check!(qreg_low8 "" qreg_low8 f32x4 "vmov");
+
+// CHECK-LABEL: qreg_low8_e:
+// CHECK: @APP
+// CHECK: vmov.f64 d0, d0
+// CHECK: @NO_APP
+check!(qreg_low8_e "e" qreg_low8 f32x4 "vmov.f64");
+
+// CHECK-LABEL: qreg_low8_f:
+// CHECK: @APP
+// CHECK: vmov.f64 d1, d1
+// CHECK: @NO_APP
+check!(qreg_low8_f "f" qreg_low8 f32x4 "vmov.f64");
+
+// CHECK-LABEL: qreg_low4:
+// CHECK: @APP
+// CHECK: vorr q0, q0, q0
+// CHECK: @NO_APP
+check!(qreg_low4 "" qreg_low4 f32x4 "vmov");
+
+// CHECK-LABEL: qreg_low4_e:
+// CHECK: @APP
+// CHECK: vmov.f64 d0, d0
+// CHECK: @NO_APP
+check!(qreg_low4_e "e" qreg_low4 f32x4 "vmov.f64");
+
+// CHECK-LABEL: qreg_low4_f:
+// CHECK: @APP
+// CHECK: vmov.f64 d1, d1
+// CHECK: @NO_APP
+check!(qreg_low4_f "f" qreg_low4 f32x4 "vmov.f64");