From 6df1e5c4aa980d52e98b991e6cdbd20a3c746845 Mon Sep 17 00:00:00 2001 From: Christoph Bumiller Date: Thu, 29 Apr 2010 22:48:00 +0200 Subject: [PATCH] nv50: don't segfault on OPCODE_END for empty programs --- src/gallium/drivers/nv50/nv50_program.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index b8b6b12120b..98f60821fc6 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -3169,15 +3169,16 @@ nv50_program_tx_insn(struct nv50_pc *pc, if (pc->p->type == PIPE_SHADER_FRAGMENT) nv50_fp_move_results(pc); - /* last insn must be long so it can have the exit bit set */ - if (!is_long(pc->p->exec_tail)) - convert_to_long(pc, pc->p->exec_tail); - else - if (is_immd(pc->p->exec_tail) || + if (!pc->p->exec_tail || + is_immd(pc->p->exec_tail) || is_join(pc->p->exec_tail) || is_control_flow(pc->p->exec_tail)) emit_nop(pc); + /* last insn must be long so it can have the exit bit set */ + if (!is_long(pc->p->exec_tail)) + convert_to_long(pc, pc->p->exec_tail); + pc->p->exec_tail->inst[1] |= 1; /* set exit bit */ terminate_mbb(pc); -- 2.30.2