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-rw-r--r--src/panfrost/bifrost/bi_lower_combine.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/panfrost/bifrost/bi_lower_combine.c b/src/panfrost/bifrost/bi_lower_combine.c
index ae9ceb9742f..c2d9c51ffef 100644
--- a/src/panfrost/bifrost/bi_lower_combine.c
+++ b/src/panfrost/bifrost/bi_lower_combine.c
@@ -197,7 +197,8 @@ bi_lower_combine(bi_context *ctx, bi_block *block)
bi_foreach_instr_in_block_safe(block, ins) {
if (ins->type != BI_COMBINE) continue;
- unsigned R = bi_make_temp_reg(ctx);
+ bool needs_rewrite = !(ins->dest & PAN_IS_REG);
+ unsigned R = needs_rewrite ? bi_make_temp_reg(ctx) : ins->dest;
unsigned sz = nir_alu_type_get_type_size(ins->dest_type);
bi_foreach_src(ins, s) {
@@ -226,8 +227,9 @@ bi_lower_combine(bi_context *ctx, bi_block *block)
}
}
+ if (needs_rewrite)
+ bi_rewrite_uses(ctx, ins->dest, 0, R, 0);
- bi_rewrite_uses(ctx, ins->dest, 0, R, 0);
bi_remove_instruction(ins);
}
}