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-rw-r--r--src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
index 3fd2e50d82f..1e883926386 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
@@ -747,6 +747,12 @@ split_dest(struct ir3_block *block, struct ir3_instruction **dst,
struct ir3_instruction *src, unsigned base, unsigned n)
{
struct ir3_instruction *prev = NULL;
+
+ if ((n == 1) && (src->regs[0]->wrmask == 0x1)) {
+ dst[0] = src;
+ return;
+ }
+
for (int i = 0, j = 0; i < n; i++) {
struct ir3_instruction *split = ir3_instr_create(block, OPC_META_FO);
ir3_reg_create(split, 0, IR3_REG_SSA);