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r300/compiler: Fix regalloc for values with multiple writers

Browse source 
https://bugs.freedesktop.org/show_bug.cgi?id=40062
https://bugs.freedesktop.org/show_bug.cgi?id=36939

Note: This is a candidate for the 7.11 branch.
(applied diff manually from 2d1004d9aa)
This commit is contained in:
Tom Stellard 2011-09-18 17:43:41 -07:00 • committed by Marek Olšák
parent fad6e2ea5a
commit a5e2074fdd
1 changed files with 6 additions and 3 deletions
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9
src/mesa/drivers/dri/r300/compiler/radeon_variable.c
View file

@ -297,9 +297,12 @@ static void get_variable_helper(
{
struct rc_list * list_ptr;
for (list_ptr = *variable_list; list_ptr; list_ptr = list_ptr->Next) {
if (readers_intersect(variable, list_ptr->Item)) {
rc_variable_add_friend(list_ptr->Item, variable);
return;
struct rc_variable * var;
for (var = list_ptr->Item; var; var = var->Friend) {
if (readers_intersect(var, variable)) {
rc_variable_add_friend(var, variable);
return;
}
}
}
rc_list_add(variable_list, rc_list(&variable->C->Pool, variable));