From 8d22ad723e82d4043ed232787712a8f73f0606b0 Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Thu, 24 Jun 1999 22:38:30 -0600 Subject: loop.c (verify_dominator): Properly handle ADDR_VEC and ADDR_DIFF_VEC insns that appear inside loops. h * loop.c (verify_dominator): Properly handle ADDR_VEC and ADDR_DIFF_VEC insns that appear inside loops. From-SVN: r27760 --- gcc/loop.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'gcc') diff --git a/gcc/loop.c b/gcc/loop.c index b616be0..ef64fd0 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -2564,14 +2564,21 @@ verify_dominator (loop_number) && GET_CODE (PATTERN (insn)) != RETURN) { rtx label = JUMP_LABEL (insn); - int label_luid = INSN_LUID (label); - - if (! condjump_p (insn) - && ! condjump_in_parallel_p (insn)) + int label_luid; + + /* If it is not a jump we can easily understand or for + which we do not have jump target information in the JUMP_LABEL + field (consider ADDR_VEC and ADDR_DIFF_VEC insns), then clear + LOOP_NUMBER_CONT_DOMINATOR. */ + if ((! condjump_p (insn) + && ! condjump_in_parallel_p (insn)) + || label == NULL_RTX) { loop_number_cont_dominator[loop_number] = NULL_RTX; return; } + + label_luid = INSN_LUID (label); if (label_luid < INSN_LUID (loop_number_loop_cont[loop_number]) && (label_luid > INSN_LUID (loop_number_cont_dominator[loop_number]))) -- cgit v1.1