summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/nv50
diff options
context:
space:
mode:
authorChristoph Bumiller <[email protected]>2009-11-27 21:29:38 +0100
committerChristoph Bumiller <[email protected]>2009-11-27 21:29:38 +0100
commitcad14c2542698de144bb5434cefa02d7a00aaa74 (patch)
treebb036e5b41632b0d4a1e52db4cfe7186c665eaa9 /src/gallium/drivers/nv50
parent510fd280b54fa33ed229ef297a1a77c78811c592 (diff)
nv50: do conversion of last insn to 64 bit format first
Simplifies things since the second to last one will then be converted in the subsequent pass that ensures alignment automatically.
Diffstat (limited to 'src/gallium/drivers/nv50')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index bf50982dd16..855079f2939 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -2914,7 +2914,7 @@ nv50_fp_move_results(struct nv50_pc *pc)
static void
nv50_program_fixup_insns(struct nv50_pc *pc)
{
- struct nv50_program_exec *e, *prev = NULL, **bra_list;
+ struct nv50_program_exec *e, **bra_list;
unsigned i, n, pos;
bra_list = CALLOC(pc->p->exec_size, sizeof(struct nv50_program_exec *));
@@ -2926,6 +2926,16 @@ nv50_program_fixup_insns(struct nv50_pc *pc)
if (e->param.index >= 0 && !e->param.mask)
bra_list[n++] = e;
+ /* last instruction 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);
+ /* set exit bit */
+ pc->p->exec_tail->inst[1] |= 1;
+
+ /* !immd on exit insn simultaneously means !join */
+ assert(!is_immd(pc->p->exec_head));
+ assert(!is_immd(pc->p->exec_tail));
+
/* Make sure we don't have any single 32 bit instructions. */
for (e = pc->p->exec_head, pos = 0; e; e = e->next) {
pos += is_long(e) ? 2 : 1;
@@ -2937,23 +2947,8 @@ nv50_program_fixup_insns(struct nv50_pc *pc)
convert_to_long(pc, e);
++pos;
}
- if (e->next)
- prev = e;
}
- assert(!is_immd(pc->p->exec_head));
- assert(!is_immd(pc->p->exec_tail));
-
- /* last instruction must be long so it can have the end bit set */
- if (!is_long(pc->p->exec_tail)) {
- convert_to_long(pc, pc->p->exec_tail);
- if (prev)
- convert_to_long(pc, prev);
- }
- assert(!(pc->p->exec_tail->inst[1] & 2));
- /* set the end-bit */
- pc->p->exec_tail->inst[1] |= 1;
-
FREE(bra_list);
}