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glsl: Separate overlapping sentinel nodes in exec_list.

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I do appreciate the cleverness, but unfortunately it prevents a lot more
cleverness in the form of additional compiler optimizations brought on
by -fstrict-aliasing.

No difference in OglBatch7 (n=20).

Co-authored-by: Davin McCall <davmac@davmac.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Matt Turner
2016-06-27 14:42:57 -07:00
parent 5d76690f17
commit d1f6f65697
25 changed files with 165 additions and 137 deletions
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src/compiler/glsl/ir_function.cpp
+7 -7
View File
@@ -43,8 +43,8 @@ static parameter_list_match_t
parameter_lists_match(_mesa_glsl_parse_state *state,
const exec_list *list_a, const exec_list *list_b)
{
const exec_node *node_a = list_a->head;
const exec_node *node_b = list_b->head;
const exec_node *node_a = list_a->get_head_raw();
const exec_node *node_b = list_b->get_head_raw();
/* This is set to true if there is an inexact match requiring an implicit
* conversion. */
@@ -222,9 +222,9 @@ is_best_inexact_overload(const exec_list *actual_parameters,
if (*other == sig)
continue;
const exec_node *node_a = sig->parameters.head;
const exec_node *node_b = (*other)->parameters.head;
const exec_node *node_p = actual_parameters->head;
const exec_node *node_a = sig->parameters.get_head_raw();
const exec_node *node_b = (*other)->parameters.get_head_raw();
const exec_node *node_p = actual_parameters->get_head_raw();
bool better_for_some_parameter = false;
@@ -368,8 +368,8 @@ ir_function::matching_signature(_mesa_glsl_parse_state *state,
static bool
parameter_lists_match_exact(const exec_list *list_a, const exec_list *list_b)
{
const exec_node *node_a = list_a->head;
const exec_node *node_b = list_b->head;
const exec_node *node_a = list_a->get_head_raw();
const exec_node *node_b = list_b->get_head_raw();
for (/* empty */
; !node_a->is_tail_sentinel() && !node_b->is_tail_sentinel()