From 4bad83f55a7df9d7ee7660e4be87245da4aa8b69 Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Mon, 6 Apr 2009 14:16:15 +0000 Subject: [PATCH] re PR tree-optimization/39643 (cris-elf gcc.dg/torture/builtin-math-3.c -O1 and -Os sincos one) 2009-04-06 Richard Guenther 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 --- gcc/ChangeLog | 8 ++++++++ gcc/tree-ssa-ccp.c | 11 ++++++++--- 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 + + 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 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)); -- 2.7.4