diff options
Diffstat (limited to 'compiler/rustc_target/src/abi/call/sparc.rs')
-rw-r--r-- | compiler/rustc_target/src/abi/call/sparc.rs | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/abi/call/sparc.rs b/compiler/rustc_target/src/abi/call/sparc.rs new file mode 100644 index 000000000..cc4431976 --- /dev/null +++ b/compiler/rustc_target/src/abi/call/sparc.rs @@ -0,0 +1,51 @@ +use crate::abi::call::{ArgAbi, FnAbi, Reg, Uniform}; +use crate::abi::{HasDataLayout, Size}; + +fn classify_ret<Ty, C>(cx: &C, ret: &mut ArgAbi<'_, Ty>, offset: &mut Size) +where + C: HasDataLayout, +{ + if !ret.layout.is_aggregate() { + ret.extend_integer_width_to(32); + } else { + ret.make_indirect(); + *offset += cx.data_layout().pointer_size; + } +} + +fn classify_arg<Ty, C>(cx: &C, arg: &mut ArgAbi<'_, Ty>, offset: &mut Size) +where + C: HasDataLayout, +{ + let dl = cx.data_layout(); + let size = arg.layout.size; + let align = arg.layout.align.max(dl.i32_align).min(dl.i64_align).abi; + + if arg.layout.is_aggregate() { + arg.cast_to(Uniform { unit: Reg::i32(), total: size }); + if !offset.is_aligned(align) { + arg.pad_with(Reg::i32()); + } + } else { + arg.extend_integer_width_to(32); + } + + *offset = offset.align_to(align) + size.align_to(align); +} + +pub fn compute_abi_info<Ty, C>(cx: &C, fn_abi: &mut FnAbi<'_, Ty>) +where + C: HasDataLayout, +{ + let mut offset = Size::ZERO; + if !fn_abi.ret.is_ignore() { + classify_ret(cx, &mut fn_abi.ret, &mut offset); + } + + for arg in &mut fn_abi.args { + if arg.is_ignore() { + continue; + } + classify_arg(cx, arg, &mut offset); + } +} |