cranelift: Disable i128 divs on aarch64

bytecodealliance · Sep 9, 2022 · 3540b8d · 3540b8d
1 parent 4cfab0f
commit 3540b8d
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/cranelift/fuzzgen/src/function_generator.rs b/cranelift/fuzzgen/src/function_generator.rs
@@ -253,16 +253,20 @@ const OPCODE_SIGNATURES: &'static [(
     (Opcode::Udiv, &[I16, I16], &[I16], insert_opcode),
     (Opcode::Udiv, &[I32, I32], &[I32], insert_opcode),
     (Opcode::Udiv, &[I64, I64], &[I64], insert_opcode),
-    // udiv.i128 not implemented on x64: https://github.com/bytecodealliance/wasmtime/issues/4756
-    #[cfg(not(target_arch = "x86_64"))]
+    // udiv.i128 not implemented in some backends:
+    //   x64: https://github.com/bytecodealliance/wasmtime/issues/4756
+    //   aarch64: https://github.com/bytecodealliance/wasmtime/issues/4864
+    #[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
     (Opcode::Udiv, &[I128, I128], &[I128], insert_opcode),
     // Sdiv
     (Opcode::Sdiv, &[I8, I8], &[I8], insert_opcode),
     (Opcode::Sdiv, &[I16, I16], &[I16], insert_opcode),
     (Opcode::Sdiv, &[I32, I32], &[I32], insert_opcode),
     (Opcode::Sdiv, &[I64, I64], &[I64], insert_opcode),
-    // sdiv.i128 not implemented on x64: https://github.com/bytecodealliance/wasmtime/issues/4770
-    #[cfg(not(target_arch = "x86_64"))]
+    // sdiv.i128 not implemented in some backends:
+    //   x64: https://github.com/bytecodealliance/wasmtime/issues/4770
+    //   aarch64: https://github.com/bytecodealliance/wasmtime/issues/4864
+    #[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
     (Opcode::Sdiv, &[I128, I128], &[I128], insert_opcode),
     // Rotr
     (Opcode::Rotr, &[I8, I8], &[I8], insert_opcode),