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[Bug other/59545] Signed integer overflow issues
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 19 Dec 2013 21:27:52 +0000
- Subject: [Bug other/59545] Signed integer overflow issues
- Auto-submitted: auto-generated
- References: <bug-59545-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59545
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Dec 19 21:27:51 2013
New Revision: 206134
URL: http://gcc.gnu.org/viewcvs?rev=206134&root=gcc&view=rev
Log:
PR other/59545
* genattrtab.c (struct attr_hash): Change hashcode type to unsigned.
(attr_hash_add_rtx, attr_hash_add_string): Change hashcode parameter
to unsigned.
(attr_rtx_1): Change hashcode variable to unsigned.
(attr_string): Likewise. Perform first multiplication in unsigned
type.
* ifcvt.c (noce_try_store_flag_constants): Avoid signed integer
overflows.
* double-int.c (neg_double): Likewise.
* stor-layout.c (set_min_and_max_values_for_integral_type): Likewise.
* combine.c (force_to_mode): Likewise.
* postreload.c (move2add_use_add2_insn, move2add_use_add3_insn,
reload_cse_move2add, move2add_note_store): Likewise.
* simplify-rtx.c (simplify_const_unary_operation,
simplify_const_binary_operation): Likewise.
* ipa-split.c (find_split_points): Initialize first.can_split
and first.non_ssa_vars.
* gengtype-state.c (read_state_files_list): Fix up check.
* genautomata.c (reserv_sets_hash_value): Use portable rotation
idiom.
java/
* class.c (hashUtf8String): Compute hash in unsigned type.
* javaop.h (WORD_TO_INT): Avoid signed integer overflow.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/combine.c
trunk/gcc/double-int.c
trunk/gcc/genattrtab.c
trunk/gcc/genautomata.c
trunk/gcc/gengtype-state.c
trunk/gcc/ifcvt.c
trunk/gcc/ipa-split.c
trunk/gcc/java/ChangeLog
trunk/gcc/java/class.c
trunk/gcc/java/javaop.h
trunk/gcc/postreload.c
trunk/gcc/simplify-rtx.c
trunk/gcc/stor-layout.c