diff --git a/src/freedreno/ir3/ir3_shared_ra.c b/src/freedreno/ir3/ir3_shared_ra.c
index 17d92bbbb32..9515eb250f0 100644
--- a/src/freedreno/ir3/ir3_shared_ra.c
+++ b/src/freedreno/ir3/ir3_shared_ra.c
@@ -667,9 +667,46 @@ free_space(struct ra_ctx *ctx, physreg_t start, unsigned size)
    }
 }
 
+static physreg_t
+try_allocate_src_subreg(struct ra_ctx *ctx, struct ir3_register *reg,
+                        enum ir3_subreg_move subreg_move)
+{
+   assert(subreg_move != IR3_SUBREG_MOVE_NONE);
+
+   /* Subreg moves always write a half register. */
+   assert(reg_elem_size(reg) == 1);
+
+   struct ir3_register *src = reg->instr->srcs[0];
+   if (!ra_reg_is_src(src) || !(src->flags & IR3_REG_SHARED))
+      return ~0;
+
+   unsigned offset = subreg_move == IR3_SUBREG_MOVE_LOWER ? 0 : 1;
+   struct ra_interval *src_interval = ra_interval_get(ctx, src->def);
+   physreg_t src_physreg = ra_interval_get_physreg(src_interval) + offset;
+   unsigned file_size = reg_file_size(reg);
+   unsigned size = reg_size(reg);
+
+   if (src_physreg + size <= file_size &&
+       get_reg_specified(ctx, reg, src_physreg)) {
+      return src_physreg;
+   }
+
+   return ~0;
+}
+
 static physreg_t
 get_reg(struct ra_ctx *ctx, struct ir3_register *reg, bool src)
 {
+   /* For subreg moves (see ir3_is_subreg_move), try to allocate half of their
+    * full src for their dst. If this succeeds, the instruction can be removed.
+    */
+   enum ir3_subreg_move subreg_move = ir3_is_subreg_move(reg->instr);
+   if (subreg_move != IR3_SUBREG_MOVE_NONE) {
+      physreg_t src_reg = try_allocate_src_subreg(ctx, reg, subreg_move);
+      if (src_reg != (physreg_t)~0)
+         return src_reg;
+   }
+
    if (reg->merge_set && reg->merge_set->preferred_reg != (physreg_t)~0) {
       physreg_t preferred_reg =
          reg->merge_set->preferred_reg + reg->merge_set_offset;