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| author | Martin Jambor <mjambor@suse.cz> | 2010-07-21 16:17:11 +0200 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2010-07-21 16:17:11 +0200 |
| commit | 75a75e91fdd362c68e552a9e2bb5c0469e4e70af (patch) | |
| tree | 23e177b54c091472acd392ed87007fb1e4b2678b /gcc/tree-sra.c | |
| parent | d74d8807cc43f9d05e099eca871a590fb458c245 (diff) | |
| download | gcc-75a75e91fdd362c68e552a9e2bb5c0469e4e70af.zip gcc-75a75e91fdd362c68e552a9e2bb5c0469e4e70af.tar.gz gcc-75a75e91fdd362c68e552a9e2bb5c0469e4e70af.tar.bz2 | |
re PR tree-optimization/44900 (The variable of SSE will be broken)
2010-07-21 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/44900
* tree-sra.c (load_assign_lhs_subreplacements): Updated comments.
(sra_modify_assign): Move gsi to the next statmenent unconditionally.
* testsuite/g++.dg/torture/pr44900.C: New test.
From-SVN: r162375
Diffstat (limited to 'gcc/tree-sra.c')
| -rw-r--r-- | gcc/tree-sra.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index e4971d2..9fd6d2c 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -2416,9 +2416,11 @@ handle_unscalarized_data_in_subtree (struct access *top_racc, tree lhs, (sub)tree. If that is not possible, refresh the TOP_RACC base aggregate and load the accesses from it. LEFT_OFFSET is the offset of the left whole subtree being copied, RIGHT_OFFSET is the same thing for the right subtree. - GSI is stmt iterator used for statement insertions. *REFRESHED is true iff - the rhs top aggregate has already been refreshed by contents of its scalar - reductions and is set to true if this function has to do it. */ + NEW_GSI is stmt iterator used for statement insertions after the original + assignment, OLD_GSI is used to insert statements before the assignment. + *REFRESHED keeps the information whether we have needed to refresh + replacements of the LHS and from which side of the assignments this takes + place. */ static void load_assign_lhs_subreplacements (struct access *lacc, struct access *top_racc, @@ -2722,9 +2724,7 @@ sra_modify_assign (gimple *stmt, gimple_stmt_iterator *gsi) &orig_gsi, gsi, &refreshed, lhs); if (refreshed != SRA_UDH_RIGHT) { - if (*stmt == gsi_stmt (*gsi)) - gsi_next (gsi); - + gsi_next (gsi); unlink_stmt_vdef (*stmt); gsi_remove (&orig_gsi, true); sra_stats.deleted++; |