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-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index e816b94e608..ee5be56b713 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -464,7 +464,8 @@ vec4_visitor::dead_code_eliminate()
}
if (inst->dst.file == scan_inst->dst.file &&
- inst->dst.reg == scan_inst->dst.reg) {
+ inst->dst.reg == scan_inst->dst.reg &&
+ inst->dst.reg_offset == scan_inst->dst.reg_offset) {
int new_writemask = scan_inst->dst.writemask & ~dead_channels;
progress = try_eliminate_instruction(scan_inst, new_writemask, brw) ||