aboutsummaryrefslogtreecommitdiff
path: root/gcc/gimplify.c
diff options
context:
space:
mode:
authorRichard Guenther <rguenther@suse.de>2012-05-14 15:05:21 +0000
committerRichard Guenther <rguenther@suse.de>2012-05-14 15:05:21 +0000
commit8151f2950a68400820552d7ef7f23893db833d41 (patch)
treeb9bf2e2cb432abeffcf08761c950899bd398b4e3 /gcc/gimplify.c
parent55d01bbc070473816ad2106054a2408b7e7d7ce0 (diff)
2012-05-14 Richard Guenther <rguenther@suse.de>
* gimplify.c (gimple_regimplify_operands): Only mark the LHS of statements for renaming. (force_gimple_operand_1): Likewise, consistently for both calls to force_gimple_operand and force_gimple_operand_gsi. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@187468 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gimplify.c')
-rw-r--r--gcc/gimplify.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 63195ae8f99..02e42b8b419 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -8531,7 +8531,13 @@ gimple_regimplify_operands (gimple stmt, gimple_stmt_iterator *gsi_p)
gimple_stmt_iterator i;
for (i = gsi_start (pre); !gsi_end_p (i); gsi_next (&i))
- mark_symbols_for_renaming (gsi_stmt (i));
+ {
+ tree lhs = gimple_get_lhs (gsi_stmt (i));
+ if (lhs
+ && TREE_CODE (lhs) != SSA_NAME
+ && is_gimple_reg (lhs))
+ mark_sym_for_renaming (lhs);
+ }
}
gsi_insert_seq_before (gsi_p, pre, GSI_SAME_STMT);
}
@@ -8585,6 +8591,21 @@ force_gimple_operand_1 (tree expr, gimple_seq *stmts,
for (t = gimplify_ctxp->temps; t ; t = DECL_CHAIN (t))
add_referenced_var (t);
+ if (!gimple_seq_empty_p (*stmts)
+ && gimplify_ctxp->into_ssa)
+ {
+ gimple_stmt_iterator i;
+
+ for (i = gsi_start (*stmts); !gsi_end_p (i); gsi_next (&i))
+ {
+ tree lhs = gimple_get_lhs (gsi_stmt (i));
+ if (lhs
+ && TREE_CODE (lhs) != SSA_NAME
+ && is_gimple_reg (lhs))
+ mark_sym_for_renaming (lhs);
+ }
+ }
+
pop_gimplify_context (NULL);
return expr;
@@ -8621,14 +8642,6 @@ force_gimple_operand_gsi_1 (gimple_stmt_iterator *gsi, tree expr,
if (!gimple_seq_empty_p (stmts))
{
- if (gimple_in_ssa_p (cfun))
- {
- gimple_stmt_iterator i;
-
- for (i = gsi_start (stmts); !gsi_end_p (i); gsi_next (&i))
- mark_symbols_for_renaming (gsi_stmt (i));
- }
-
if (before)
gsi_insert_seq_before (gsi, stmts, m);
else