guix/gnu/packages/patches/rust-1.81-fix-riscv64-bootstrap.patch

From 99e6a28804eac57faa37134d61a2bb17069996a2 Mon Sep 17 00:00:00 2001
From: Nicholas Bishop <nicholasbishop@google.com>
Date: Thu, 30 May 2024 18:32:46 -0400
Subject: [PATCH] Add f16/f128 handling in a couple places

---
 compiler/rustc_codegen_llvm/src/abi.rs    | 2 ++
 compiler/rustc_target/src/abi/call/mod.rs | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs
index a6a3f0f964611..2e52d3f426a83 100644
--- a/compiler/rustc_codegen_llvm/src/abi.rs
+++ b/compiler/rustc_codegen_llvm/src/abi.rs
@@ -121,8 +121,10 @@ impl LlvmType for Reg {
         match self.kind {
             RegKind::Integer => cx.type_ix(self.size.bits()),
             RegKind::Float => match self.size.bits() {
+                16 => cx.type_f16(),
                 32 => cx.type_f32(),
                 64 => cx.type_f64(),
+                128 => cx.type_f128(),
                 _ => bug!("unsupported float: {:?}", self),
             },
             RegKind::Vector => cx.type_vector(cx.type_i8(), self.size.bytes()),
diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs
index fc79c9232d1bd..f83d0492004a2 100644
--- a/compiler/rustc_target/src/abi/call/mod.rs
+++ b/compiler/rustc_target/src/abi/call/mod.rs
@@ -236,8 +236,10 @@ impl Reg {
                 _ => panic!("unsupported integer: {self:?}"),
             },
             RegKind::Float => match self.size.bits() {
+                16 => dl.f16_align.abi,
                 32 => dl.f32_align.abi,
                 64 => dl.f64_align.abi,
+                128 => dl.f128_align.abi,
                 _ => panic!("unsupported float: {self:?}"),
             },
             RegKind::Vector => dl.vector_align(self.size).abi,