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-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp8
1 files changed, 0 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
index 828a70e2752..e8e2185ac1a 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_reg_allocate.cpp
@@ -335,14 +335,6 @@ vec4_visitor::spill_reg(int spill_reg_nr)
inst->src[i].reg = virtual_grf_alloc(1);
dst_reg temp = dst_reg(inst->src[i]);
- /* Only read the necessary channels, to avoid overwriting the rest
- * with data that may not have been written to scratch.
- */
- temp.writemask = 0;
- for (int c = 0; c < 4; c++)
- temp.writemask |= (1 << BRW_GET_SWZ(inst->src[i].swizzle, c));
- assert(temp.writemask != 0);
-
emit_scratch_read(block, inst, temp, spill_reg, spill_offset);
}
}