diff options
| author | Diego Novillo <dnovillo@redhat.com> | 2005-02-25 21:12:34 +0000 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2005-02-25 16:12:34 -0500 |
| commit | 736c86ad8305637ba08f5c78a13c749dba13bffc (patch) | |
| tree | be437caafd0dbf5b5caf2ef3531ec09c179ee715 /gcc/tree-into-ssa.c | |
| parent | 3bf4da728f7ccdea3600cb6ab1465cd0d5e43fe5 (diff) | |
| download | gcc-736c86ad8305637ba08f5c78a13c749dba13bffc.zip gcc-736c86ad8305637ba08f5c78a13c749dba13bffc.tar.gz gcc-736c86ad8305637ba08f5c78a13c749dba13bffc.tar.bz2 | |
re PR tree-optimization/20204 (miscompilation of asm-declared registers)
PR tree-optimization/20204
* tree-into-ssa.c (insert_phi_nodes_for): Do not use
REWRITE_THIS_STMT markers on PHI nodes.
(rewrite_initialize_block): Likewise.
testsuite/ChangeLog
PR tree-optimization/20204
* testsuite/gcc.dg/pr20204.c: New test.
From-SVN: r95547
Diffstat (limited to 'gcc/tree-into-ssa.c')
| -rw-r--r-- | gcc/tree-into-ssa.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c index bdc7623..271c1ff 100644 --- a/gcc/tree-into-ssa.c +++ b/gcc/tree-into-ssa.c @@ -591,9 +591,6 @@ insert_phi_nodes_for (tree var, bitmap phi_insertion_points) FOR_EACH_EDGE (e, ei, bb->preds) add_phi_arg (phi, var, e); } - - /* Mark this PHI node as interesting for the rename process. */ - REWRITE_THIS_STMT (phi) = 1; } } @@ -745,8 +742,7 @@ rewrite_initialize_block (struct dom_walk_data *walk_data ATTRIBUTE_UNUSED, for (phi = phi_nodes (bb); phi; phi = PHI_CHAIN (phi)) { tree result = PHI_RESULT (phi); - if (REWRITE_THIS_STMT (phi)) - register_new_def (result, &block_defs_stack); + register_new_def (result, &block_defs_stack); } } |