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authormarha <marha@users.sourceforge.net>2015-03-05 22:17:40 +0100
committermarha <marha@users.sourceforge.net>2015-03-05 22:17:40 +0100
commit8574eba804031f6b19713f0b02952280730bf62e (patch)
tree9afa4d6fe299d43ab7e580dc08a5547120274561 /mesalib/src/glsl/nir/nir_from_ssa.c
parenteef70231353a6103f47fcae88a6e89e765e5cd47 (diff)
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fontconfig mesa git update 5 Mar 2015
Diffstat (limited to 'mesalib/src/glsl/nir/nir_from_ssa.c')
-rw-r--r--mesalib/src/glsl/nir/nir_from_ssa.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/mesalib/src/glsl/nir/nir_from_ssa.c b/mesalib/src/glsl/nir/nir_from_ssa.c
index 7c5009577..c3090fb06 100644
--- a/mesalib/src/glsl/nir/nir_from_ssa.c
+++ b/mesalib/src/glsl/nir/nir_from_ssa.c
@@ -26,6 +26,7 @@
*/
#include "nir.h"
+#include "nir_vla.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];
+ NIR_VLA(merge_node *, dom, a->size + b->size);
int dom_idx = -1;
struct exec_node *an = exec_list_get_head(&a->nodes);
@@ -508,6 +509,13 @@ get_register_for_ssa_def(nir_ssa_def *def, struct from_ssa_state *state)
reg->num_components = def->num_components;
reg->num_array_elems = 0;
+ /* This register comes from an SSA definition that was not part of a
+ * phi-web. Therefore, we know it has a single unique definition
+ * that dominates all of its uses. Therefore, we can copy the
+ * parent_instr from the SSA def safely.
+ */
+ reg->parent_instr = def->parent_instr;
+
_mesa_hash_table_insert(state->ssa_table, def, reg);
return reg;
}
@@ -666,21 +674,16 @@ 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);
-
- /* The current location of a given piece of data */
- int loc[num_copies * 2];
+ NIR_VLA_ZERO(nir_src, values, num_copies * 2);
- /* The piece of data that the given piece of data is to be copied from */
- int pred[num_copies * 2];
+ /* The current location of a given piece of data. We will use -1 for "null" */
+ NIR_VLA_FILL(int, loc, num_copies * 2, -1);
- /* Initialize loc and pred. We will use -1 for "null" */
- memset(loc, -1, sizeof loc);
- memset(pred, -1, sizeof pred);
+ /* The piece of data that the given piece of data is to be copied from. We will use -1 for "null" */
+ NIR_VLA_FILL(int, pred, num_copies * 2, -1);
/* The destinations we have yet to properly fill */
- int to_do[num_copies * 2];
+ NIR_VLA(int, to_do, num_copies * 2);
int to_do_idx = -1;
/* Now we set everything up:
@@ -730,7 +733,7 @@ resolve_parallel_copy(nir_parallel_copy_instr *pcopy,
}
/* Currently empty destinations we can go ahead and fill */
- int ready[num_copies * 2];
+ NIR_VLA(int, ready, num_copies * 2);
int ready_idx = -1;
/* Mark the ones that are ready for copying. We know an index is a