summaryrefslogtreecommitdiff
path: root/src/gallium/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 2ad8cdf65c..272fd8d90b 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -574,6 +574,22 @@ check_swap_src_0_1(struct nv50_pc *pc,
}
static void
+set_src_0_restricted(struct nv50_pc *pc, struct nv50_reg *src,
+ struct nv50_program_exec *e)
+{
+ struct nv50_reg *temp;
+
+ if (src->type != P_TEMP) {
+ temp = temp_temp(pc);
+ emit_mov(pc, temp, src);
+ src = temp;
+ }
+
+ alloc_reg(pc, src);
+ e->inst[0] |= (src->hw << 9);
+}
+
+static void
set_src_0(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e)
{
if (src->type == P_ATTR) {
@@ -775,7 +791,11 @@ emit_flop(struct nv50_pc *pc, unsigned sub,
}
set_dst(pc, dst, e);
- set_src_0(pc, src, e);
+
+ if (sub == 0 || sub == 2)
+ set_src_0_restricted(pc, src, e);
+ else
+ set_src_0(pc, src, e);
emit(pc, e);
}