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-rw-r--r--compiler/rustc_codegen_llvm/src/context.rs10
1 files changed, 8 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index 0c6006fbc6a..b0d8e11d1fb 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -1012,7 +1012,10 @@ impl<'ll> CodegenCx<'ll, '_> {
         ifn!("llvm.minimum.f16", fn(t_f16, t_f16) -> t_f16);
         ifn!("llvm.minimum.f32", fn(t_f32, t_f32) -> t_f32);
         ifn!("llvm.minimum.f64", fn(t_f64, t_f64) -> t_f64);
-        ifn!("llvm.minimum.f128", fn(t_f128, t_f128) -> t_f128);
+        // There are issues on x86_64 and aarch64 with the f128 variant.
+        //  - https://github.com/llvm/llvm-project/issues/139380
+        //  - https://github.com/llvm/llvm-project/issues/139381
+        // ifn!("llvm.minimum.f128", fn(t_f128, t_f128) -> t_f128);
 
         ifn!("llvm.maxnum.f16", fn(t_f16, t_f16) -> t_f16);
         ifn!("llvm.maxnum.f32", fn(t_f32, t_f32) -> t_f32);
@@ -1022,7 +1025,10 @@ impl<'ll> CodegenCx<'ll, '_> {
         ifn!("llvm.maximum.f16", fn(t_f16, t_f16) -> t_f16);
         ifn!("llvm.maximum.f32", fn(t_f32, t_f32) -> t_f32);
         ifn!("llvm.maximum.f64", fn(t_f64, t_f64) -> t_f64);
-        ifn!("llvm.maximum.f128", fn(t_f128, t_f128) -> t_f128);
+        // There are issues on x86_64 and aarch64 with the f128 variant.
+        //  - https://github.com/llvm/llvm-project/issues/139380
+        //  - https://github.com/llvm/llvm-project/issues/139381
+        // ifn!("llvm.maximum.f128", fn(t_f128, t_f128) -> t_f128);
 
         ifn!("llvm.floor.f16", fn(t_f16) -> t_f16);
         ifn!("llvm.floor.f32", fn(t_f32) -> t_f32);