diff options
Diffstat (limited to 'src/gallium/drivers/vc4')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 66fd902b695..a7c92d577b8 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -1957,22 +1957,29 @@ ntq_emit_if(struct vc4_compile *c, nir_if *if_stmt) static void ntq_emit_jump(struct vc4_compile *c, nir_jump_instr *jump) { + struct qblock *jump_block; switch (jump->type) { case nir_jump_break: - qir_SF(c, c->execute); - qir_MOV_cond(c, QPU_COND_ZS, c->execute, - qir_uniform_ui(c, c->loop_break_block->index)); + jump_block = c->loop_break_block; break; - case nir_jump_continue: - qir_SF(c, c->execute); - qir_MOV_cond(c, QPU_COND_ZS, c->execute, - qir_uniform_ui(c, c->loop_cont_block->index)); + jump_block = c->loop_cont_block; break; - - case nir_jump_return: - unreachable("All returns shouold be lowered\n"); + default: + unreachable("Unsupported jump type\n"); } + + qir_SF(c, c->execute); + qir_MOV_cond(c, QPU_COND_ZS, c->execute, + qir_uniform_ui(c, jump_block->index)); + + /* Jump to the destination block if everyone has taken the jump. */ + qir_SF(c, qir_SUB(c, c->execute, qir_uniform_ui(c, jump_block->index))); + qir_BRANCH(c, QPU_COND_BRANCH_ALL_ZS); + struct qblock *new_block = qir_new_block(c); + qir_link_blocks(c->cur_block, jump_block); + qir_link_blocks(c->cur_block, new_block); + qir_set_emit_block(c, new_block); } static void |