From 07288ab03780bf84d7c0771b6bd76a78160d75d5 Mon Sep 17 00:00:00 2001 From: Kaz Kojima Date: Sat, 10 Mar 2007 05:04:10 +0000 Subject: [PATCH] mode-switching.c (create_pre_exit): Skip blockage insn. * mode-switching.c (create_pre_exit): Skip blockage insn. From-SVN: r122791 --- gcc/ChangeLog | 4 ++++ gcc/mode-switching.c | 6 ++++++ 2 files changed, 10 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cbe3d08..ee77d38 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2007-03-10 Kaz Kojima + + * mode-switching.c (create_pre_exit): Skip blockage insn. + 2007-03-09 Diego Novillo * tree-pass.h (TODO_update_smt_usage): Remove. diff --git a/gcc/mode-switching.c b/gcc/mode-switching.c index 407ae76..8e9bde3 100644 --- a/gcc/mode-switching.c +++ b/gcc/mode-switching.c @@ -259,6 +259,12 @@ create_pre_exit (int n_entities, int *entity_map, const int *num_modes) last_insn = return_copy; continue; } + if (GET_CODE (PATTERN (return_copy)) == ASM_INPUT + && strcmp (XSTR (PATTERN (return_copy), 0), "") == 0) + { + last_insn = return_copy; + continue; + } /* If the return register is not (in its entirety) likely spilled, the return copy might be partially or completely optimized away. */ -- 2.7.4