diff options
Diffstat (limited to 'src/glsl/nir/nir_from_ssa.c')
| -rw-r--r-- | src/glsl/nir/nir_from_ssa.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/glsl/nir/nir_from_ssa.c b/src/glsl/nir/nir_from_ssa.c index c695c951f31..66339f3b483 100644 --- a/src/glsl/nir/nir_from_ssa.c +++ b/src/glsl/nir/nir_from_ssa.c @@ -26,6 +26,7 @@ */ #include "nir.h" +#include "c99_alloca.h" /* * This file implements an out-of-SSA pass as described in "Revisiting @@ -181,7 +182,7 @@ merge_merge_sets(merge_set *a, merge_set *b) static bool merge_sets_interfere(merge_set *a, merge_set *b) { - merge_node *dom[a->size + b->size]; + merge_node **dom = alloca((a->size + b->size) * sizeof *dom); int dom_idx = -1; struct exec_node *an = exec_list_get_head(&a->nodes); @@ -673,21 +674,21 @@ resolve_parallel_copy(nir_parallel_copy_instr *pcopy, } /* The register/source corresponding to the given index */ - nir_src values[num_copies * 2]; - memset(values, 0, sizeof values); + nir_src *values = alloca(num_copies * 2 * sizeof *values); + memset(values, 0, num_copies * 2 * sizeof *values); /* The current location of a given piece of data */ - int loc[num_copies * 2]; + int *loc = alloca(num_copies * 2 * sizeof *loc); /* The piece of data that the given piece of data is to be copied from */ - int pred[num_copies * 2]; + int *pred = alloca(num_copies * 2 * sizeof *pred); /* Initialize loc and pred. We will use -1 for "null" */ - memset(loc, -1, sizeof loc); - memset(pred, -1, sizeof pred); + memset(loc, -1, num_copies * 2 * sizeof *loc); + memset(pred, -1, num_copies * 2 * sizeof *pred); /* The destinations we have yet to properly fill */ - int to_do[num_copies * 2]; + int *to_do = alloca(num_copies * 2 * sizeof *to_do); int to_do_idx = -1; /* Now we set everything up: @@ -737,7 +738,7 @@ resolve_parallel_copy(nir_parallel_copy_instr *pcopy, } /* Currently empty destinations we can go ahead and fill */ - int ready[num_copies * 2]; + int *ready = alloca(num_copies * 2 * sizeof *ready); int ready_idx = -1; /* Mark the ones that are ready for copying. We know an index is a |