From 4ae20934915625cf26c35cb6aecfaab79f32e9ff Mon Sep 17 00:00:00 2001 From: pinskia Date: Thu, 23 Mar 2006 15:09:51 +0000 Subject: [PATCH] 2006-03-23 Andrew Pinski PR tree-opt/26795 * tree-ssa-pre.c (create_value_expr_from): Don't reject expressions which have overflowed constants. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112319 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/tree-ssa-pre.c | 9 --------- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2a128c6bcac..3431ed81719 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-03-23 Andrew Pinski + + PR tree-opt/26795 + * tree-ssa-pre.c (create_value_expr_from): Don't reject + expressions which have overflowed constants. + 2006-03-23 Zdenek Dvorak * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note. diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index e9256215c66..fc0dff5a2b8 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -2938,15 +2938,6 @@ create_value_expr_from (tree expr, basic_block block, tree stmt) if (op == NULL_TREE) continue; - /* If OP is a constant that has overflowed, do not value number - this expression. */ - if (CONSTANT_CLASS_P (op) - && TREE_OVERFLOW (op)) - { - pool_free (pool, vexpr); - return NULL; - } - /* Recursively value-numberize reference ops and tree lists. */ if (REFERENCE_CLASS_P (op)) { -- 2.11.0