Convert to 0/1 in OP_XEQUAL (mono/mono#18038)

Commit migrated from https://github.com/mono/mono/commit/a3fbb644938bdfe008796f281e958f7707069dfe

diff --git a/src/mono/mono/mini/mini-llvm.c b/src/mono/mono/mini/mini-llvm.c
index da8e6d7..91b24d8 100644 (file)
--- a/src/mono/mono/mini/mini-llvm.c
+++ b/src/mono/mono/mini/mini-llvm.c
@@ -7472,8 +7472,10 @@ process_bb (EmitContext *ctx, MonoBasicBlock *bb)
                                half = half / 2;
                        }
                        // Extract [0]
-                       values [ins->dreg] = LLVMBuildExtractElement (builder, cmp, LLVMConstInt (LLVMInt32Type (), 0, FALSE), "");
-                       // Maybe convert to 0/1 ?
+                       LLVMValueRef first_elem = LLVMBuildExtractElement (builder, cmp, LLVMConstInt (LLVMInt32Type (), 0, FALSE), "");
+                       // convert to 0/1
+                       LLVMValueRef cmp_zero = LLVMBuildICmp (builder, LLVMIntNE, first_elem, LLVMConstInt (LLVMInt8Type (), 0, FALSE), "");
+                       values [ins->dreg] = LLVMBuildZExt (builder, cmp_zero, LLVMInt8Type (), "");
                        break;
                }
                case OP_XBINOP: {