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authorbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2012-05-11 11:19:01 +0000
committerbstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4>2012-05-11 11:19:01 +0000
commit10c7be7ea6e54fc16864f455ffd8e57404b1a467 (patch)
treeee70b35cdded91a6e9f721e4c5cbaedad09528ad /gcc/tree-ssa-dse.c
parentd59974987297588b3031ef2f2ae409c5bd858bd0 (diff)
downloadgcc-10c7be7ea6e54fc16864f455ffd8e57404b1a467.tar.gz
2012-05-11 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk rev 187397 using svnmerge gimple_seq are disappearing! [gcc/] 2012-05-11 Basile Starynkevitch <basile@starynkevitch.net> {{for merge with trunk svn 187397, since gimple_seq are disappearing in GCC 4.8}} * melt-runtime.h (melt_gt_ggc_mx_gimple_seq_d): New declaration (gt_ggc_mx_gimple_seq_d): Macro defined when GCC 4.8 only. * melt-runtime.c (melt_gt_ggc_mx_gimple_seq_d): New function, defined for GCC 4.8 only. * melt/warmelt-debug.melt (melt_debug_fun): Add cast in our warning diagnostic to avoid a warning. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@187401 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dse.c')
-rw-r--r--gcc/tree-ssa-dse.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c
index a8599420763..5fdba8c543b 100644
--- a/gcc/tree-ssa-dse.c
+++ b/gcc/tree-ssa-dse.c
@@ -199,9 +199,9 @@ dse_possible_dead_store_p (gimple stmt, gimple *use_stmt)
post dominates the first store, then the first store is dead. */
static void
-dse_optimize_stmt (gimple_stmt_iterator gsi)
+dse_optimize_stmt (gimple_stmt_iterator *gsi)
{
- gimple stmt = gsi_stmt (gsi);
+ gimple stmt = gsi_stmt (*gsi);
/* If this statement has no virtual defs, then there is nothing
to do. */
@@ -252,7 +252,7 @@ dse_optimize_stmt (gimple_stmt_iterator gsi)
if (dump_file && (dump_flags & TDF_DETAILS))
{
fprintf (dump_file, " Deleted dead store '");
- print_gimple_stmt (dump_file, gsi_stmt (gsi), dump_flags, 0);
+ print_gimple_stmt (dump_file, gsi_stmt (*gsi), dump_flags, 0);
fprintf (dump_file, "'\n");
}
@@ -261,7 +261,7 @@ dse_optimize_stmt (gimple_stmt_iterator gsi)
/* Remove the dead store. */
bb = gimple_bb (stmt);
- if (gsi_remove (&gsi, true))
+ if (gsi_remove (gsi, true))
bitmap_set_bit (need_eh_cleanup, bb->index);
/* And release any SSA_NAMEs set in this statement back to the
@@ -277,8 +277,14 @@ dse_enter_block (struct dom_walk_data *walk_data ATTRIBUTE_UNUSED,
{
gimple_stmt_iterator gsi;
- for (gsi = gsi_last (bb_seq (bb)); !gsi_end_p (gsi); gsi_prev (&gsi))
- dse_optimize_stmt (gsi);
+ for (gsi = gsi_last_bb (bb); !gsi_end_p (gsi);)
+ {
+ dse_optimize_stmt (&gsi);
+ if (gsi_end_p (gsi))
+ gsi = gsi_last_bb (bb);
+ else
+ gsi_prev (&gsi);
+ }
}
/* Main entry point. */