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-rw-r--r--src/gallium/drivers/nvc0/nvc0_pc_optimize.c6
-rw-r--r--src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c4
2 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_pc_optimize.c b/src/gallium/drivers/nvc0/nvc0_pc_optimize.c
index 3d03400518b..8d4d0f3af60 100644
--- a/src/gallium/drivers/nvc0/nvc0_pc_optimize.c
+++ b/src/gallium/drivers/nvc0/nvc0_pc_optimize.c
@@ -142,9 +142,10 @@ nv_pc_pass_pre_emission(void *priv, struct nv_basic_block *b)
struct nv_instruction *nvi, *next;
int j;
+ /* find first non-empty block emitted before b */
for (j = pc->num_blocks - 1; j >= 0 && !pc->bb_list[j]->emit_size; --j);
- if (j >= 0) {
+ for (; j >= 0; --j) {
in = pc->bb_list[j];
/* check for no-op branches (BRA $PC+8) */
@@ -158,6 +159,9 @@ nv_pc_pass_pre_emission(void *priv, struct nv_basic_block *b)
nvc0_insn_delete(in->exit);
}
b->emit_pos = in->emit_pos + in->emit_size;
+
+ if (in->emit_size) /* no more no-op branches to b */
+ break;
}
pc->bb_list[pc->num_blocks++] = b;
diff --git a/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c b/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c
index 5e208e8623d..fc19ef1eb19 100644
--- a/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c
+++ b/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c
@@ -1634,6 +1634,10 @@ bld_instruction(struct bld_context *bld,
{
struct nv_basic_block *b = new_basic_block(bld->pc);
+ if (bld->pc->current_block->exit &&
+ !bld->pc->current_block->exit->terminator)
+ bld_flow(bld, NV_OP_BRA, NULL, NV_CC_P, b, FALSE);
+
--bld->cond_lvl;
nvc0_bblock_attach(bld->pc->current_block, b, bld->out_kind);
nvc0_bblock_attach(bld->cond_bb[bld->cond_lvl], b, CFG_EDGE_FORWARD);