From b6426eef8dc66dbc1a5a312716183cba07b2bb30 Mon Sep 17 00:00:00 2001
From: WANG Rui <wangrui@loongson.cn>
Date: Fri, 1 Nov 2024 16:50:28 +0800
Subject: [PATCH 1/2] Disable `f16` for LoongArch64

Disable `f161` for LoongArch64 due to incorrect code generation on LLVM 19,
which causes failures in `testcrate/tests/conv.rs`. This workaround will
remain in place until llvm/llvm-project#109093 is merged or we upgrade to
LLVM 20.
---
 configure.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure.rs b/configure.rs
index e23c0e839..bb475b697 100644
--- a/configure.rs
+++ b/configure.rs
@@ -64,6 +64,8 @@ pub fn configure_f16_f128(target: &Target) {
         "arm64ec" => (false, false),
         // `f16` crashes <https://github.com/llvm/llvm-project/issues/50374>
         "s390x" => (false, true),
+        // `f16` test failures
+        "loongarch64" => (false, true),
         // `f128` crashes <https://github.com/llvm/llvm-project/issues/96432>
         "mips64" | "mips64r6" => (true, false),
         // `f128` crashes <https://github.com/llvm/llvm-project/issues/101545>

From 9da50f36aad8d4eafd36b0d9e98974d109ae7426 Mon Sep 17 00:00:00 2001
From: Trevor Gross <t.gross35@gmail.com>
Date: Fri, 1 Nov 2024 04:53:39 -0500
Subject: [PATCH 2/2] Update configure.rs

---
 configure.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.rs b/configure.rs
index bb475b697..68b4d68e6 100644
--- a/configure.rs
+++ b/configure.rs
@@ -64,7 +64,7 @@ pub fn configure_f16_f128(target: &Target) {
         "arm64ec" => (false, false),
         // `f16` crashes <https://github.com/llvm/llvm-project/issues/50374>
         "s390x" => (false, true),
-        // `f16` test failures
+        // FIXME(llvm): `f16` test failures fixed by <https://github.com/llvm/llvm-project/pull/107791>
         "loongarch64" => (false, true),
         // `f128` crashes <https://github.com/llvm/llvm-project/issues/96432>
         "mips64" | "mips64r6" => (true, false),