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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_constant_expression.cpp
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@@ -2062,7 +2062,7 @@ ir_function_signature::constant_expression_value(exec_list *actual_parameters, s
* have to use the variable objects from the object with the body,
* but the parameter instanciation on the current object.
*/
const exec_node *parameter_info = origin ? origin->parameters.head : parameters.head;
const exec_node *parameter_info = origin ? origin->parameters.get_head_raw() : parameters.get_head_raw();
foreach_in_list(ir_rvalue, n, actual_parameters) {
ir_constant *constant = n->constant_expression_value(variable_context);