From 925f3871dba29771277bd1c5f8371d28f4156e6d Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Fri, 20 Sep 2013 11:43:08 -0600 Subject: [PATCH] * tree-ssa-dom.c (record_temporary_equivalences): Add comment. From-SVN: r202789 --- gcc/ChangeLog | 4 ++++ gcc/tree-ssa-dom.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6d93bab5cc0..e2fff6c77bd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2013-09-20 Jeff Law + + * tree-ssa-dom.c (record_temporary_equivalences): Add comment. + 2013-09-20 Yufeng Zhang * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index f5613862dcf..f0cc0ee728b 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -1070,6 +1070,10 @@ simplify_stmt_for_jump_threading (gimple stmt, return lookup_avail_expr (stmt, false); } +/* Record into the equivalence tables any equivalences implied by + traversing edge E (which are cached in E->aux). + + Callers are responsible for managing the unwinding markers. */ static void record_temporary_equivalences (edge e) { -- 2.30.2