diff options
Diffstat (limited to 'mesalib/src/mesa/program/register_allocate.c')
| -rw-r--r-- | mesalib/src/mesa/program/register_allocate.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/mesalib/src/mesa/program/register_allocate.c b/mesalib/src/mesa/program/register_allocate.c index 88793dbdc..a9064c38c 100644 --- a/mesalib/src/mesa/program/register_allocate.c +++ b/mesalib/src/mesa/program/register_allocate.c @@ -75,6 +75,7 @@ #include "main/imports.h" #include "main/macros.h" #include "main/mtypes.h" +#include "main/bitset.h" #include "register_allocate.h" #define NO_REG ~0 @@ -118,8 +119,9 @@ struct ra_node { * List of which nodes this node interferes with. This should be * symmetric with the other node. */ - GLboolean *adjacency; + BITSET_WORD *adjacency; unsigned int *adjacency_list; + unsigned int adjacency_list_size; unsigned int adjacency_count; /** @} */ @@ -306,7 +308,16 @@ ra_set_finalize(struct ra_regs *regs, unsigned int **q_values) static void ra_add_node_adjacency(struct ra_graph *g, unsigned int n1, unsigned int n2) { - g->nodes[n1].adjacency[n2] = GL_TRUE; + BITSET_SET(g->nodes[n1].adjacency, n2); + + if (g->nodes[n1].adjacency_count >= + g->nodes[n1].adjacency_list_size) { + g->nodes[n1].adjacency_list_size *= 2; + g->nodes[n1].adjacency_list = reralloc(g, g->nodes[n1].adjacency_list, + unsigned int, + g->nodes[n1].adjacency_list_size); + } + g->nodes[n1].adjacency_list[g->nodes[n1].adjacency_count] = n2; g->nodes[n1].adjacency_count++; } @@ -325,9 +336,14 @@ ra_alloc_interference_graph(struct ra_regs *regs, unsigned int count) g->stack = rzalloc_array(g, unsigned int, count); for (i = 0; i < count; i++) { - g->nodes[i].adjacency = rzalloc_array(g, GLboolean, count); - g->nodes[i].adjacency_list = ralloc_array(g, unsigned int, count); + int bitset_count = ALIGN(count, BITSET_WORDBITS) / BITSET_WORDBITS; + g->nodes[i].adjacency = rzalloc_array(g, BITSET_WORD, bitset_count); + + g->nodes[i].adjacency_list_size = 4; + g->nodes[i].adjacency_list = + ralloc_array(g, unsigned int, g->nodes[i].adjacency_list_size); g->nodes[i].adjacency_count = 0; + ra_add_node_adjacency(g, i, i); g->nodes[i].reg = NO_REG; } @@ -346,7 +362,7 @@ void ra_add_node_interference(struct ra_graph *g, unsigned int n1, unsigned int n2) { - if (!g->nodes[n1].adjacency[n2]) { + if (!BITSET_TEST(g->nodes[n1].adjacency, n2)) { ra_add_node_adjacency(g, n1, n2); ra_add_node_adjacency(g, n2, n1); } |