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-rw-r--r--src/compiler/nir/nir_lower_vec_to_movs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/compiler/nir/nir_lower_vec_to_movs.c b/src/compiler/nir/nir_lower_vec_to_movs.c
index 06d627900c6..f51cede3920 100644
--- a/src/compiler/nir/nir_lower_vec_to_movs.c
+++ b/src/compiler/nir/nir_lower_vec_to_movs.c
@@ -83,6 +83,8 @@ insert_mov(nir_alu_instr *vec, unsigned start_idx, nir_shader *shader)
}
}
+ unsigned channels_handled = mov->dest.write_mask;
+
/* In some situations (if the vecN is involved in a phi-web), we can end
* up with a mov from a register to itself. Some of those channels may end
* up doing nothing and there's no reason to have them as part of the mov.
@@ -103,7 +105,7 @@ insert_mov(nir_alu_instr *vec, unsigned start_idx, nir_shader *shader)
ralloc_free(mov);
}
- return mov->dest.write_mask;
+ return channels_handled;
}
static bool