From d9afc0b797af1542deb08617c587cecde22db0a7 Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Sat, 23 Nov 2002 09:01:21 +0100 Subject: [PATCH] re PR c/8439 (empty struct causes crash) PR c/8439 * recog.c (validate_replace_rtx_1) [PLUS]: Simplify only if there is something new to be simplified. From-SVN: r59398 --- gcc/ChangeLog | 6 ++++++ gcc/recog.c | 4 ++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9de3fc6077de..f4ed0001f01d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2002-11-22 Eric Botcazou + + PR c/8439 + * recog.c (validate_replace_rtx_1) [PLUS]: Simplify only + if there is something new to be simplified. + 2002-11-22 Toon Moene * c-decl.c (c_init_decl_processing): Move generation of diff --git a/gcc/recog.c b/gcc/recog.c index d9848ddf70d2..41193dba3880 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -507,10 +507,10 @@ validate_replace_rtx_1 (loc, from, to, object) { case PLUS: /* If we have a PLUS whose second operand is now a CONST_INT, use - plus_constant to try to simplify it. + simplify_gen_binary to try to simplify it. ??? We may want later to remove this, once simplification is separated from this function. */ - if (GET_CODE (XEXP (x, 1)) == CONST_INT) + if (GET_CODE (XEXP (x, 1)) == CONST_INT && XEXP (x, 1) == to) validate_change (object, loc, simplify_gen_binary (PLUS, GET_MODE (x), XEXP (x, 0), XEXP (x, 1)), 1); -- 2.47.2