diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 4752d9189fa..6e9e58bf8f6 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -710,6 +710,14 @@ radv_postprocess_nir(struct radv_device *device, const struct radv_graphics_stat
 
    /* cleanup passes */
    NIR_PASS(_, stage->nir, nir_lower_alu_width, opt_vectorize_callback, device);
+
+   /* This pass changes the global float control mode to RTZ, so can't be used
+    * with LLVM, which only supports RTNE, or RT, where the mode needs to match
+    * across separately compiled stages.
+    */
+   if (!radv_use_llvm_for_stage(pdev, stage->stage) && !gl_shader_stage_is_rt(stage->stage))
+      NIR_PASS(_, stage->nir, ac_nir_opt_pack_half, gfx_level);
+
    NIR_PASS(_, stage->nir, nir_lower_load_const_to_scalar);
    NIR_PASS(_, stage->nir, nir_copy_prop);
    NIR_PASS(_, stage->nir, nir_opt_dce);