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| author | Martin Jambor <mjambor@suse.cz> | 2010-04-09 22:24:11 +0200 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2010-04-09 22:24:11 +0200 |
| commit | add5d9980add8cddbfb8079a800e11b1ec640761 (patch) | |
| tree | 1544c1eda2afa69906ff167880adf1228b76c93d /gcc/ipa-cp.c | |
| parent | 43ba743ca91e5dce17fc695392bab956ed5c79f4 (diff) | |
| download | gcc-add5d9980add8cddbfb8079a800e11b1ec640761.zip gcc-add5d9980add8cddbfb8079a800e11b1ec640761.tar.gz gcc-add5d9980add8cddbfb8079a800e11b1ec640761.tar.bz2 | |
ipa-cp.c (ipcp_lats_are_equal): Return true also if the two lattices are addresses of CONST_DECLs with the same...
2010-04-09 Martin Jambor <mjambor@suse.cz>
* ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
lattices are addresses of CONST_DECLs with the same initial value.
(ipcp_print_all_lattices): Print values of CONST_DECLs.
* ipa-prop.c (ipa_print_node_jump_functions): Likewise.
From-SVN: r158176
Diffstat (limited to 'gcc/ipa-cp.c')
| -rw-r--r-- | gcc/ipa-cp.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c index ce5051f..527c0c4 100644 --- a/gcc/ipa-cp.c +++ b/gcc/ipa-cp.c @@ -227,10 +227,14 @@ ipcp_lats_are_equal (struct ipcp_lattice *lat1, struct ipcp_lattice *lat2) if (lat1->type != lat2->type) return false; - if (operand_equal_p (lat1->constant, lat2->constant, 0)) - return true; - - return false; + if (TREE_CODE (lat1->constant) == ADDR_EXPR + && TREE_CODE (lat2->constant) == ADDR_EXPR + && TREE_CODE (TREE_OPERAND (lat1->constant, 0)) == CONST_DECL + && TREE_CODE (TREE_OPERAND (lat2->constant, 0)) == CONST_DECL) + return operand_equal_p (DECL_INITIAL (TREE_OPERAND (lat1->constant, 0)), + DECL_INITIAL (TREE_OPERAND (lat2->constant, 0)), 0); + else + return operand_equal_p (lat1->constant, lat2->constant, 0); } /* Compute Meet arithmetics: @@ -386,8 +390,16 @@ ipcp_print_all_lattices (FILE * f) fprintf (f, " param [%d]: ", i); if (lat->type == IPA_CONST_VALUE) { + tree cst = lat->constant; fprintf (f, "type is CONST "); - print_generic_expr (f, lat->constant, 0); + print_generic_expr (f, cst, 0); + if (TREE_CODE (cst) == ADDR_EXPR + && TREE_CODE (TREE_OPERAND (cst, 0)) == CONST_DECL) + { + fprintf (f, " -> "); + print_generic_expr (f, DECL_INITIAL (TREE_OPERAND (cst, 0)), + 0); + } fprintf (f, "\n"); } else if (lat->type == IPA_TOP) |