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authorTom Stellard <[email protected]>2011-09-18 17:43:41 -0700
committerTom Stellard <[email protected]>2011-09-18 18:00:14 -0700
commit2d1004d9aa719bb93a4f057b0eefe88f23b44e44 (patch)
tree8dd9ee5aa99d4e358806329763ad864a79d4dcd8
parent63b59027563be933f86635489e70520b566360eb (diff)
r300/compiler: Fix regalloc for values with multiple writers
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.
-rw-r--r--src/gallium/drivers/r300/compiler/radeon_variable.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/gallium/drivers/r300/compiler/radeon_variable.c b/src/gallium/drivers/r300/compiler/radeon_variable.c
index 7c640c4f621..77bb9d4c230 100644
--- a/src/gallium/drivers/r300/compiler/radeon_variable.c
+++ b/src/gallium/drivers/r300/compiler/radeon_variable.c
@@ -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));