diff options
Diffstat (limited to 'mesalib/src/mesa/program/register_allocate.h')
| -rw-r--r-- | mesalib/src/mesa/program/register_allocate.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mesalib/src/mesa/program/register_allocate.h b/mesalib/src/mesa/program/register_allocate.h index bfc9190dc..dc6874495 100644 --- a/mesalib/src/mesa/program/register_allocate.h +++ b/mesalib/src/mesa/program/register_allocate.h @@ -56,7 +56,10 @@ void ra_set_finalize(struct ra_regs *regs, unsigned int **conflicts); * Each interference graph node is a virtual variable in the IL. It * is up to the user to ra_set_node_class() for the virtual variable, * and compute live ranges and ra_node_interfere() between conflicting - * live ranges. + * live ranges. Note that an interference *must not* be added between + * two nodes if their classes haven't been assigned yet. The user + * should set the class of each node before building the interference + * graph. */ struct ra_graph *ra_alloc_interference_graph(struct ra_regs *regs, unsigned int count); |