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-rw-r--r--gcc/ChangeLog23
-rw-r--r--gcc/basic-block.h5
-rw-r--r--gcc/cfgcleanup.c6
-rw-r--r--gcc/cfgrtl.c43
-rw-r--r--gcc/combine.c2
5 files changed, 43 insertions, 36 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d13b175..ec66943 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,28 @@
2014-08-25 David Malcolm <dmalcolm@redhat.com>
+ * basic-block.h (struct rtl_bb_info): Strengthen field "footer_"
+ from rtx to rtx_insn *.
+ (BB_FOOTER): Replace function with access macro.
+ (SET_BB_FOOTER): Delete.
+
+ * cfgcleanup.c (try_optimize_cfg): Replace uses of SET_BB_FOOTER
+ with BB_FOOTER.
+ * cfgrtl.c (try_redirect_by_replacing_jump): Likewise.
+ (emit_barrier_after_bb): Likewise.
+ (record_effective_endpoints): Likewise.
+ (relink_block_chain): Likewise.
+ (fixup_fallthru_exit_predecessor): Likewise.
+ (cfg_layout_duplicate_bb): Likewise.
+ (cfg_layout_split_block): Likewise.
+ (cfg_layout_delete_block): Likewise.
+ (cfg_layout_merge_blocks): Likewise.
+ (BB_FOOTER): Delete function.
+ (SET_BB_FOOTER): Delete function.
+ * combine.c (update_cfg_for_uncondjump): Replace uses of
+ SET_BB_FOOTER with BB_FOOTER.
+
+2014-08-25 David Malcolm <dmalcolm@redhat.com>
+
* except.h (struct eh_landing_pad_d): Strengthen field
"landing_pad" from rtx to rtx_code_label *.
diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index f640f399..1f23f04 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -127,7 +127,7 @@ struct GTY(()) rtl_bb_info {
/* In CFGlayout mode points to insn notes/jumptables to be placed just before
and after the block. */
rtx header_;
- rtx footer_;
+ rtx_insn *footer_;
};
struct GTY(()) gimple_bb_info {
@@ -381,8 +381,7 @@ extern rtx& SET_BB_END (basic_block bb);
extern rtx_insn *BB_HEADER (const_basic_block bb);
extern rtx& SET_BB_HEADER (basic_block bb);
-extern rtx_insn *BB_FOOTER (const_basic_block bb);
-extern rtx& SET_BB_FOOTER (basic_block bb);
+#define BB_FOOTER(B) (B)->il.x.rtl->footer_
/* Special block numbers [markers] for entry and exit.
Neither of them is supposed to hold actual statements. */
diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c
index 17426cc..ba0ab58 100644
--- a/gcc/cfgcleanup.c
+++ b/gcc/cfgcleanup.c
@@ -2676,13 +2676,13 @@ try_optimize_cfg (int mode)
{
if (BB_FOOTER (b))
{
- SET_BB_FOOTER (e->src) = BB_FOOTER (b);
- SET_BB_FOOTER (b) = NULL;
+ BB_FOOTER (e->src) = BB_FOOTER (b);
+ BB_FOOTER (b) = NULL;
}
else
{
start_sequence ();
- SET_BB_FOOTER (e->src) = emit_barrier ();
+ BB_FOOTER (e->src) = emit_barrier ();
end_sequence ();
}
}
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index 59f0937..458278c 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -1063,7 +1063,7 @@ try_redirect_by_replacing_jump (edge e, basic_block target, bool in_cfglayout)
if (PREV_INSN (insn))
SET_NEXT_INSN (PREV_INSN (insn)) = NEXT_INSN (insn);
else
- SET_BB_FOOTER (src) = NEXT_INSN (insn);
+ BB_FOOTER (src) = NEXT_INSN (insn);
if (NEXT_INSN (insn))
SET_PREV_INSN (NEXT_INSN (insn)) = PREV_INSN (insn);
}
@@ -1451,7 +1451,7 @@ emit_barrier_after_bb (basic_block bb)
gcc_assert (current_ir_type () == IR_RTL_CFGRTL
|| current_ir_type () == IR_RTL_CFGLAYOUT);
if (current_ir_type () == IR_RTL_CFGLAYOUT)
- SET_BB_FOOTER (bb) = unlink_insn_chain (barrier, barrier);
+ BB_FOOTER (bb) = unlink_insn_chain (barrier, barrier);
}
/* Like force_nonfallthru below, but additionally performs redirection
@@ -3462,7 +3462,7 @@ record_effective_endpoints (void)
PREV_INSN (BB_HEAD (bb)));
end = skip_insns_after_block (bb);
if (NEXT_INSN (BB_END (bb)) && BB_END (bb) != end)
- SET_BB_FOOTER (bb) = unlink_insn_chain (NEXT_INSN (BB_END (bb)), end);
+ BB_FOOTER (bb) = unlink_insn_chain (NEXT_INSN (BB_END (bb)), end);
next_insn = NEXT_INSN (BB_END (bb));
}
@@ -3620,7 +3620,7 @@ relink_block_chain (bool stay_in_cfglayout_mode)
{
bb->aux = NULL;
if (!stay_in_cfglayout_mode)
- SET_BB_HEADER (bb) = SET_BB_FOOTER (bb) = NULL;
+ SET_BB_HEADER (bb) = BB_FOOTER (bb) = NULL;
}
/* Maybe reset the original copy tables, they are not valid anymore
@@ -3988,8 +3988,8 @@ fixup_fallthru_exit_predecessor (void)
bb = split_block (bb, NULL)->dest;
bb->aux = c->aux;
c->aux = bb;
- SET_BB_FOOTER (bb) = BB_FOOTER (c);
- SET_BB_FOOTER (c) = NULL;
+ BB_FOOTER (bb) = BB_FOOTER (c);
+ BB_FOOTER (c) = NULL;
}
while (c->aux != bb)
@@ -4203,7 +4203,7 @@ cfg_layout_duplicate_bb (basic_block bb)
insn = NEXT_INSN (insn);
insn = duplicate_insn_chain (BB_FOOTER (bb), insn);
if (insn)
- SET_BB_FOOTER (new_bb) = unlink_insn_chain (insn, get_last_insn ());
+ BB_FOOTER (new_bb) = unlink_insn_chain (insn, get_last_insn ());
}
return new_bb;
@@ -4311,8 +4311,8 @@ cfg_layout_split_block (basic_block bb, void *insnp)
rtx insn = (rtx) insnp;
basic_block new_bb = rtl_split_block (bb, insn);
- SET_BB_FOOTER (new_bb) = BB_FOOTER (bb);
- SET_BB_FOOTER (bb) = NULL;
+ BB_FOOTER (new_bb) = BB_FOOTER (bb);
+ BB_FOOTER (bb) = NULL;
return new_bb;
}
@@ -4443,7 +4443,7 @@ cfg_layout_delete_block (basic_block bb)
if (PREV_INSN (insn))
SET_NEXT_INSN (PREV_INSN (insn)) = NEXT_INSN (insn);
else
- SET_BB_FOOTER (bb) = NEXT_INSN (insn);
+ BB_FOOTER (bb) = NEXT_INSN (insn);
if (NEXT_INSN (insn))
SET_PREV_INSN (NEXT_INSN (insn)) = PREV_INSN (insn);
}
@@ -4578,7 +4578,7 @@ cfg_layout_merge_blocks (basic_block a, basic_block b)
if (BB_FOOTER (b))
{
if (!BB_FOOTER (a))
- SET_BB_FOOTER (a) = SET_BB_FOOTER (b);
+ BB_FOOTER (a) = BB_FOOTER (b);
else
{
rtx_insn *last = BB_FOOTER (a);
@@ -4588,7 +4588,7 @@ cfg_layout_merge_blocks (basic_block a, basic_block b)
SET_NEXT_INSN (last) = BB_FOOTER (b);
SET_PREV_INSN (BB_FOOTER (b)) = last;
}
- SET_BB_FOOTER (b) = NULL;
+ BB_FOOTER (b) = NULL;
}
/* Move things from b->header before a->footer.
@@ -4597,7 +4597,7 @@ cfg_layout_merge_blocks (basic_block a, basic_block b)
if (BB_HEADER (b))
{
if (! BB_FOOTER (a))
- SET_BB_FOOTER (a) = BB_HEADER (b);
+ BB_FOOTER (a) = BB_HEADER (b);
else
{
rtx_insn *last = BB_HEADER (b);
@@ -4606,7 +4606,7 @@ cfg_layout_merge_blocks (basic_block a, basic_block b)
last = NEXT_INSN (last);
SET_NEXT_INSN (last) = BB_FOOTER (a);
SET_PREV_INSN (BB_FOOTER (a)) = last;
- SET_BB_FOOTER (a) = BB_HEADER (b);
+ BB_FOOTER (a) = BB_HEADER (b);
}
SET_BB_HEADER (b) = NULL;
}
@@ -5150,19 +5150,4 @@ rtx& SET_BB_HEADER (basic_block bb)
return bb->il.x.rtl->header_;
}
-/* BB_FOOTER as an rvalue. */
-
-rtx_insn *BB_FOOTER (const_basic_block bb)
-{
- rtx insn = bb->il.x.rtl->footer_;
- return safe_as_a <rtx_insn *> (insn);
-}
-
-/* BB_FOOTER as an lvalue. */
-
-rtx& SET_BB_FOOTER (basic_block bb)
-{
- return bb->il.x.rtl->footer_;
-}
-
#include "gt-cfgrtl.h"
diff --git a/gcc/combine.c b/gcc/combine.c
index 1a768d5..35d226e 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -2425,7 +2425,7 @@ update_cfg_for_uncondjump (rtx_insn *insn)
if (PREV_INSN (insn))
SET_NEXT_INSN (PREV_INSN (insn)) = NEXT_INSN (insn);
else
- SET_BB_FOOTER (bb) = NEXT_INSN (insn);
+ BB_FOOTER (bb) = NEXT_INSN (insn);
if (NEXT_INSN (insn))
SET_PREV_INSN (NEXT_INSN (insn)) = PREV_INSN (insn);
}