diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr36244.c | 39 | ||||
| -rw-r--r-- | gcc/tree-flow-inline.h | 2 | ||||
| -rw-r--r-- | gcc/tree-ssa-alias.c | 1 |
5 files changed, 52 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9a91ab4..d30ef0f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2008-05-15 Richard Guenther <rguenther@suse.de> + PR middle-end/36244 + * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY. + * tree-flow-inline.h (unmodifiable_var_p): Memory tags never + represent unmodifiable vars. + +2008-05-15 Richard Guenther <rguenther@suse.de> + * tree-dfa.c (refs_may_alias_p): Allow all kinds of INDIRECT_REF and TARGET_MEM_REF. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 10769c8..56493e0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-05-15 Richard Guenther <rguenther@suse.de> + + PR middle-end/36244 + * gcc.dg/torture/pr36244.c: New testcase. + 2008-05-15 Eric Botcazou <ebotcazou@adacore.com> * gnat.dg/discr8.ad[sb]: New test. diff --git a/gcc/testsuite/gcc.dg/torture/pr36244.c b/gcc/testsuite/gcc.dg/torture/pr36244.c new file mode 100644 index 0000000..9daa29e --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr36244.c @@ -0,0 +1,39 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -ftree-parallelize-loops=4" } */ + +struct p7prior_s { + int mnum; /* number of mat emission Dirichlet mixtures */ + float mq[200]; /* probabilities of mnum components */ + float m[200][20]; /* match emission terms per mix component */ +}; + +struct p7prior_s *default_amino_prior(void); +struct p7prior_s *P7AllocPrior(void); + +struct p7prior_s * +default_amino_prior(void) +{ + struct p7prior_s *pri; + int x, q; + + static float defmq[5] = { + 0.178091, 0.056591, 0.0960191, 0.0781233, 0.0834977 }; + static float defm[5][6] = { + { 0.270671, 0.039848, 0.017576, 0.016415, 0.014268, 0.216147 }, + { 0.021465, 0.010300, 0.011741, 0.010883, 0.385651, 0.029156 }, + { 0.561459, 0.045448, 0.438366, 0.764167, 0.087364, 0.583402 }, + { 0.070143, 0.011140, 0.019479, 0.094657, 0.013162, 0.073732 }, + { 0.041103, 0.014794, 0.005610, 0.010216, 0.153602, 0.012049 } + }; + + pri = P7AllocPrior(); + pri->mnum = 5; + for (q = 0; q < pri->mnum; q++) + { + pri->mq[q] = defmq[q]; + for (x = 0; x < 6; x++) + pri->m[q][x] = defm[q][x]; + } + return pri; +} + diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h index a4fe9c2..9e8edc6 100644 --- a/gcc/tree-flow-inline.h +++ b/gcc/tree-flow-inline.h @@ -1545,7 +1545,7 @@ unmodifiable_var_p (const_tree var) var = SSA_NAME_VAR (var); if (MTAG_P (var)) - return TREE_READONLY (var) && (TREE_STATIC (var) || MTAG_GLOBAL (var)); + return false; return TREE_READONLY (var) && (TREE_STATIC (var) || DECL_EXTERNAL (var)); } diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index a054329..431f05a 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -3436,7 +3436,6 @@ new_type_alias (tree ptr, tree var, tree expr) ali = add_may_alias_for_new_tag (tag, var); set_symbol_mem_tag (ptr, ali); - TREE_READONLY (tag) = TREE_READONLY (var); MTAG_GLOBAL (tag) = is_global_var (var); } |