From ad7e369fd519d5ccea15bafb57b1e36edc119266 Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Mon, 10 Feb 1997 14:50:17 -0700 Subject: [PATCH] stmt.c (group_case_nodes): Recognize more opportunities to group case nodes. * stmt.c (group_case_nodes): Recognize more opportunities to group case nodes. From-SVN: r13624 --- gcc/stmt.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/gcc/stmt.c b/gcc/stmt.c index a8f2abcee9e..a3f42d5a0cc 100644 --- a/gcc/stmt.c +++ b/gcc/stmt.c @@ -5590,12 +5590,18 @@ group_case_nodes (head) while (node) { rtx lb = next_real_insn (label_rtx (node->code_label)); + rtx lb2; case_node_ptr np = node; /* Try to group the successors of NODE with NODE. */ while (((np = np->right) != 0) /* Do they jump to the same place? */ - && next_real_insn (label_rtx (np->code_label)) == lb + && ((lb2 = next_real_insn (label_rtx (np->code_label))) == lb + || (lb != 0 && lb2 != 0 + && simplejump_p (lb) + && simplejump_p (lb2) + && rtx_equal_p (SET_SRC (PATTERN (lb)), + SET_SRC (PATTERN (lb2))))) /* Are their ranges consecutive? */ && tree_int_cst_equal (np->low, fold (build (PLUS_EXPR, -- 2.30.2