From 128ceec92d04a9b4feaf55804f5e7d1f3f1dbfd2 Mon Sep 17 00:00:00 2001 From: Petr Sumbera Date: Wed, 1 Dec 2021 10:03:45 +0100 Subject: fix sparc64 ABI for aggregates with floating point members --- src/test/codegen/sparc-struct-abi.rs | 58 +++++++++++++++++++++++++++++++++++- 1 file changed, 57 insertions(+), 1 deletion(-) (limited to 'src/test/codegen') diff --git a/src/test/codegen/sparc-struct-abi.rs b/src/test/codegen/sparc-struct-abi.rs index f228d7c5500..b531dba4607 100644 --- a/src/test/codegen/sparc-struct-abi.rs +++ b/src/test/codegen/sparc-struct-abi.rs @@ -1,5 +1,5 @@ // Checks that we correctly codegen extern "C" functions returning structs. -// See issue #52638. +// See issues #52638 and #86163. // compile-flags: -O --target=sparc64-unknown-linux-gnu --crate-type=rlib // needs-llvm-components: sparc @@ -25,3 +25,59 @@ pub struct Bool { pub extern "C" fn structbool() -> Bool { Bool { b: true } } + + +#[repr(C)] +pub struct BoolFloat { + b: bool, + f: f32, +} + +// CHECK: define inreg { i32, float } @structboolfloat() +// CHECK-NEXT: start: +// CHECK-NEXT: ret { i32, float } { i32 16777216, float 0x40091EB860000000 } +#[no_mangle] +pub extern "C" fn structboolfloat() -> BoolFloat { + BoolFloat { b: true, f: 3.14 } +} + +// CHECK: define void @structboolfloat_input({ i32, float } inreg %0) +// CHECK-NEXT: start: +#[no_mangle] +pub extern "C" fn structboolfloat_input(a: BoolFloat) { } + + +#[repr(C)] +pub struct ShortDouble { + s: i16, + d: f64, +} + +// CHECK: define { i64, double } @structshortdouble() +// CHECK-NEXT: start: +// CHECK-NEXT: ret { i64, double } { i64 34621422135410688, double 3.140000e+00 } +#[no_mangle] +pub extern "C" fn structshortdouble() -> ShortDouble { + ShortDouble { s: 123, d: 3.14 } +} + +// CHECK: define void @structshortdouble_input({ i64, double } %0) +// CHECK-NEXT: start: +#[no_mangle] +pub extern "C" fn structshortdouble_input(a: ShortDouble) { } + + +#[repr(C)] +pub struct FloatLongFloat { + f: f32, + i: i64, + g: f32, +} + +// CHECK: define inreg { float, i32, i64, float, i32 } @structfloatlongfloat() +// CHECK-NEXT: start: +// CHECK-NEXT: ret { float, i32, i64, float, i32 } { float 0x3FB99999A0000000, i32 undef, i64 123, float 0x40091EB860000000, i32 undef } +#[no_mangle] +pub extern "C" fn structfloatlongfloat() -> FloatLongFloat { + FloatLongFloat { f: 0.1, i: 123, g: 3.14 } +} -- cgit 1.4.1-3-g733a5