diff --git a/lib/std/target/x86.zig b/lib/std/target/x86.zig
index eeb773b034b3f6e161313f7537f1d4268e373970..0ca087ab0ccd14b9060e911592af6457615502d4 100644
--- a/lib/std/target/x86.zig
+++ b/lib/std/target/x86.zig
@@ -2241,6 +2241,7 @@ pub const cpu = struct {
             .cx8,
             .slow_unaligned_mem_16,
             .vzeroupper,
+            .soft_float,
         }),
     };
     pub const nehalem = CpuModel{
diff --git a/tools/update_cpu_features.zig b/tools/update_cpu_features.zig
index 9cda12c63a13304cdf3c0182589bed775478872c..7fab1e98b8173a77235025e14fa601819214b38d 100644
--- a/tools/update_cpu_features.zig
+++ b/tools/update_cpu_features.zig
@@ -754,6 +754,10 @@ const llvm_targets = [_]LlvmTarget{
                 .llvm_name = "i686",
                 .zig_name = "_i686",
             },
+            .{
+                .llvm_name = "lakemont",
+                .extra_deps = &.{"soft_float"},
+            },
         },
     },
     .{