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authorRichard Guenther <rguenther@suse.de>2009-04-06 14:16:15 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2009-04-06 14:16:15 +0000
commit4bad83f55a7df9d7ee7660e4be87245da4aa8b69 (patch)
tree2c6e715b64be648e18f15050199b1eb3b029cfb2 /gcc
parent94986f6d3503507f78d2d9d10cd0b98f8f65ce3f (diff)
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re PR tree-optimization/39643 (cris-elf gcc.dg/torture/builtin-math-3.c -O1 and -Os sincos one)
2009-04-06 Richard Guenther <rguenther@suse.de> PR tree-optimization/39643 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and IMAGPART_EXPRs of complex constants. (execute_fold_all_builtins): If we folded a call queue TODO_update_address_taken. From-SVN: r145604
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog8
-rw-r--r--gcc/tree-ssa-ccp.c11
2 files changed, 16 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 17ebd6d..2411dd1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2009-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39643
+ * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
+ IMAGPART_EXPRs of complex constants.
+ (execute_fold_all_builtins): If we folded a call queue
+ TODO_update_address_taken.
+
2009-04-06 Jan Hubicka <jh@suse.cz>
PR middle-end/39659
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c
index 6d8e88e..2f39658 100644
--- a/gcc/tree-ssa-ccp.c
+++ b/gcc/tree-ssa-ccp.c
@@ -949,12 +949,14 @@ ccp_fold (gimple stmt)
if (kind == tcc_reference)
{
- if (TREE_CODE (rhs) == VIEW_CONVERT_EXPR
+ if ((TREE_CODE (rhs) == VIEW_CONVERT_EXPR
+ || TREE_CODE (rhs) == REALPART_EXPR
+ || TREE_CODE (rhs) == IMAGPART_EXPR)
&& TREE_CODE (TREE_OPERAND (rhs, 0)) == SSA_NAME)
{
prop_value_t *val = get_value (TREE_OPERAND (rhs, 0));
if (val->lattice_val == CONSTANT)
- return fold_unary (VIEW_CONVERT_EXPR,
+ return fold_unary (TREE_CODE (rhs),
TREE_TYPE (rhs), val->value);
}
else if (TREE_CODE (rhs) == INDIRECT_REF
@@ -3270,7 +3272,10 @@ execute_fold_all_builtins (void)
push_stmt_changes (gsi_stmt_ptr (&i));
if (!update_call_from_tree (&i, result))
- gimplify_and_update_call_from_tree (&i, result);
+ {
+ gimplify_and_update_call_from_tree (&i, result);
+ todoflags |= TODO_update_address_taken;
+ }
stmt = gsi_stmt (i);
pop_stmt_changes (gsi_stmt_ptr (&i));