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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/assembly/sparc-struct-abi.rs | |
parent | Initial commit. (diff) | |
download | rustc-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 '')
-rw-r--r-- | src/test/assembly/sparc-struct-abi.rs | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/test/assembly/sparc-struct-abi.rs b/src/test/assembly/sparc-struct-abi.rs new file mode 100644 index 000000000..6a898b297 --- /dev/null +++ b/src/test/assembly/sparc-struct-abi.rs @@ -0,0 +1,65 @@ +// Test SPARC64 ABI +// - float structure members are passes in floating point registers +// (#86163) + +// assembly-output: emit-asm +// needs-llvm-components: sparc +// compile-flags: --target=sparcv9-sun-solaris -Copt-level=3 +#![crate_type = "lib"] +#![feature(no_core, lang_items)] +#![no_core] + +#[lang = "sized"] +pub trait Sized {} +#[lang = "copy"] +pub trait Copy {} +impl Copy for f32 {} + +#[repr(C)] +pub struct Franta { + a: f32, + b: f32, + c: f32, + d: f32, +} + +// NB: due to delay slots the `ld` following the call is actually executed before the call. +#[no_mangle] +pub unsafe extern "C" fn callee(arg: Franta) { + // CHECK-LABEL: callee: + // CHECK: st %f3, [[PLACE_D:.*]] + // CHECK: st %f2, [[PLACE_C:.*]] + // CHECK: st %f1, [[PLACE_B:.*]] + // CHECK: st %f0, [[PLACE_A:.*]] + // CHECK: call tst_use + // CHECK-NEXT: ld [[PLACE_A]], %f1 + // CHECK: call tst_use + // CHECK-NEXT: ld [[PLACE_B]], %f1 + // CHECK: call tst_use + // CHECK-NEXT: ld [[PLACE_C]], %f1 + // CHECK: call tst_use + // CHECK-NEXT: ld [[PLACE_D]], %f1 + clobber(); + tst_use(arg.a); + tst_use(arg.b); + tst_use(arg.c); + tst_use(arg.d); +} + +extern "C" { + fn opaque_callee(arg: Franta, intarg: i32); + fn tst_use(arg: f32); + fn clobber(); +} + +#[no_mangle] +pub unsafe extern "C" fn caller() { + // CHECK-LABEL: caller: + // CHECK: ld [{{.*}}], %f0 + // CHECK: ld [{{.*}}], %f1 + // CHECK: ld [{{.*}}], %f2 + // CHECK: ld [{{.*}}], %f3 + // CHECK: call opaque_callee + // CHECK: mov 3, %o2 + opaque_callee(Franta { a: 1.0, b: 2.0, c: 3.0, d: 4.0 }, 3); +} |