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-rw-r--r--gcc/loop-init.c105
1 files changed, 44 insertions, 61 deletions
diff --git a/gcc/loop-init.c b/gcc/loop-init.c
index d0bd4ec..6da29d3 100644
--- a/gcc/loop-init.c
+++ b/gcc/loop-init.c
@@ -287,31 +287,8 @@ fix_loop_structure (bitmap changed_bbs)
return number_of_loops (cfun) - old_nloops;
}
-/* Gate for the RTL loop superpass. The actual passes are subpasses.
- See passes.c for more on that. */
-
-static bool
-gate_handle_loop2 (void)
-{
- if (optimize > 0
- && (flag_move_loop_invariants
- || flag_unswitch_loops
- || flag_peel_loops
- || flag_unroll_loops
-#ifdef HAVE_doloop_end
- || (flag_branch_on_count_reg && HAVE_doloop_end)
-#endif
- ))
- return true;
- else
- {
- /* No longer preserve loops, remove them now. */
- cfun->curr_properties &= ~PROP_loops;
- if (current_loops)
- loop_optimizer_finalize ();
- return false;
- }
-}
+/* The RTL loop superpass. The actual passes are subpasses. See passes.c for
+ more on that. */
namespace {
@@ -337,10 +314,33 @@ public:
{}
/* opt_pass methods: */
- bool gate () { return gate_handle_loop2 (); }
+ virtual bool gate (function *);
}; // class pass_loop2
+bool
+pass_loop2::gate (function *fun)
+{
+ if (optimize > 0
+ && (flag_move_loop_invariants
+ || flag_unswitch_loops
+ || flag_peel_loops
+ || flag_unroll_loops
+#ifdef HAVE_doloop_end
+ || (flag_branch_on_count_reg && HAVE_doloop_end)
+#endif
+ ))
+ return true;
+ else
+ {
+ /* No longer preserve loops, remove them now. */
+ fun->curr_properties &= ~PROP_loops;
+ if (current_loops)
+ loop_optimizer_finalize ();
+ return false;
+ }
+}
+
} // anon namespace
rtl_opt_pass *
@@ -461,12 +461,6 @@ make_pass_rtl_loop_done (gcc::context *ctxt)
/* Loop invariant code motion. */
-static bool
-gate_rtl_move_loop_invariants (void)
-{
- return flag_move_loop_invariants;
-}
-
static unsigned int
rtl_move_loop_invariants (void)
{
@@ -500,7 +494,7 @@ public:
{}
/* opt_pass methods: */
- bool gate () { return gate_rtl_move_loop_invariants (); }
+ virtual bool gate (function *) { return flag_move_loop_invariants; }
unsigned int execute () { return rtl_move_loop_invariants (); }
}; // class pass_rtl_move_loop_invariants
@@ -514,13 +508,6 @@ make_pass_rtl_move_loop_invariants (gcc::context *ctxt)
}
-/* Loop unswitching for RTL. */
-static bool
-gate_rtl_unswitch (void)
-{
- return flag_unswitch_loops;
-}
-
static unsigned int
rtl_unswitch (void)
{
@@ -553,7 +540,7 @@ public:
{}
/* opt_pass methods: */
- bool gate () { return gate_rtl_unswitch (); }
+ virtual bool gate (function *) { return flag_unswitch_loops; }
unsigned int execute () { return rtl_unswitch (); }
}; // class pass_rtl_unswitch
@@ -567,13 +554,6 @@ make_pass_rtl_unswitch (gcc::context *ctxt)
}
-/* Loop unswitching for RTL. */
-static bool
-gate_rtl_unroll_and_peel_loops (void)
-{
- return (flag_peel_loops || flag_unroll_loops || flag_unroll_all_loops);
-}
-
static unsigned int
rtl_unroll_and_peel_loops (void)
{
@@ -619,7 +599,11 @@ public:
{}
/* opt_pass methods: */
- bool gate () { return gate_rtl_unroll_and_peel_loops (); }
+ virtual bool gate (function *)
+ {
+ return (flag_peel_loops || flag_unroll_loops || flag_unroll_all_loops);
+ }
+
unsigned int execute () { return rtl_unroll_and_peel_loops (); }
}; // class pass_rtl_unroll_and_peel_loops
@@ -633,17 +617,6 @@ make_pass_rtl_unroll_and_peel_loops (gcc::context *ctxt)
}
-/* The doloop optimization. */
-static bool
-gate_rtl_doloop (void)
-{
-#ifdef HAVE_doloop_end
- return (flag_branch_on_count_reg && HAVE_doloop_end);
-#else
- return 0;
-#endif
-}
-
static unsigned int
rtl_doloop (void)
{
@@ -678,11 +651,21 @@ public:
{}
/* opt_pass methods: */
- bool gate () { return gate_rtl_doloop (); }
+ virtual bool gate (function *);
unsigned int execute () { return rtl_doloop (); }
}; // class pass_rtl_doloop
+bool
+pass_rtl_doloop::gate (function *)
+{
+#ifdef HAVE_doloop_end
+ return (flag_branch_on_count_reg && HAVE_doloop_end);
+#else
+ return false;
+#endif
+}
+
} // anon namespace
rtl_opt_pass *