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authoramylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4>2013-07-29 22:45:38 +0000
committeramylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4>2013-07-29 22:45:38 +0000
commit4da102b5e5f69789bdc01c8e1957bd6a226052b2 (patch)
tree94703f6d865b5c862c8f5aea9eefd59bc4d7e5dd /gcc/mode-switching.c
parentb710b5a93c7658ee297c67896132bccc2d2d3e06 (diff)
downloadgcc-4da102b5e5f69789bdc01c8e1957bd6a226052b2.tar.gz
PR rtl-optimization/58021
* mode-switching.c (create_pre_exit): Always split off preceding insns if we are not at the basic block head. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201321 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/mode-switching.c')
-rw-r--r--gcc/mode-switching.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/mode-switching.c b/gcc/mode-switching.c
index 8ea8ca35d3c..0d112b19074 100644
--- a/gcc/mode-switching.c
+++ b/gcc/mode-switching.c
@@ -420,7 +420,7 @@ create_pre_exit (int n_entities, int *entity_map, const int *num_modes)
|| (GET_MODE_CLASS (GET_MODE (ret_reg)) != MODE_INT
&& nregs != 1));
- if (INSN_P (last_insn))
+ if (!NOTE_INSN_BASIC_BLOCK_P (last_insn))
{
before_return_copy
= emit_note_before (NOTE_INSN_DELETED, last_insn);
@@ -428,9 +428,8 @@ create_pre_exit (int n_entities, int *entity_map, const int *num_modes)
require a different mode than MODE_EXIT, so if we might
have such instructions, keep them in a separate block
from pre_exit. */
- if (last_insn != BB_HEAD (src_bb))
- src_bb = split_block (src_bb,
- PREV_INSN (before_return_copy))->dest;
+ src_bb = split_block (src_bb,
+ PREV_INSN (before_return_copy))->dest;
}
else
before_return_copy = last_insn;