if (TREE_CODE (*node) == FUNCTION_DECL
&& optimization_current_node != optimization_default_node
&& !DECL_FUNCTION_SPECIFIC_OPTIMIZATION (*node))
- DECL_FUNCTION_SPECIFIC_OPTIMIZATION (*node) = optimization_current_node;
+ {
+ DECL_FUNCTION_SPECIFIC_OPTIMIZATION (*node) = optimization_current_node;
+ tree cur_tree
+ = build_target_option_node (&global_options, &global_options_set);
+ tree old_tree = DECL_FUNCTION_SPECIFIC_TARGET (*node);
+ if (!old_tree)
+ old_tree = target_option_default_node;
+ /* The changes on optimization options can cause the changes in
+ target options, update it accordingly if it's changed. */
+ if (old_tree != cur_tree)
+ DECL_FUNCTION_SPECIFIC_TARGET (*node) = cur_tree;
+ }
/* If this is a function and the user used #pragma GCC target, add the
options to the attribute((target(...))) list. */
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-rtl-loop2_unroll-optimized" } */
+
+/* The pragma specified for foo2 should not affect foo1.
+ Verify compiler won't perform unrolling for foo1. */
+
+#define N 1024
+extern int a1[N], b1[N], c1[N];
+extern int a2[N], b2[N], c2[N];
+extern int n;
+
+void
+foo1 ()
+{
+ int i;
+ for (i = 0; i < n; i++)
+ c1[i] += a1[i] + b1[i];
+}
+
+#pragma GCC optimize("O3,unroll-loops")
+void
+foo2 ()
+{
+ int i;
+ for (i = 0; i < n; i++)
+ c2[i] += a2[i] + b2[i];
+}
+
+/* { dg-final { scan-rtl-dump-times "optimized: loop unrolled" 1 "loop2_unroll" } } */
+