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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/61893] New: Constant folding inhibits trapping with -ftrapv
Date: Thu, 24 Jul 2014 09:32:00 -0000 [thread overview]
Message-ID: <bug-61893-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61893
Bug ID: 61893
Summary: Constant folding inhibits trapping with -ftrapv
Product: gcc
Version: 4.9.1
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: rguenth at gcc dot gnu.org
int
iaddv (void)
{
return __INT_MAX__ + 1;
}
> ./cc1 -quiet t2.c -ftrapv
t2.c: In function 'iaddv':
t2.c:4:24: warning: integer overflow in expression [-Woverflow]
return __INT_MAX__ + 1;
^
iaddv:
.LFB0:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
movl $-2147483648, %eax
popq %rbp
.cfi_def_cfa 7, 8
ret
next reply other threads:[~2014-07-24 9:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-24 9:32 rguenth at gcc dot gnu.org [this message]
2014-07-25 10:36 ` [Bug middle-end/61893] " rguenth at gcc dot gnu.org
2014-07-25 11:47 ` rguenth at gcc dot gnu.org
2014-08-27 9:59 ` rguenth at gcc dot gnu.org
2015-10-22 8:19 ` rguenth at gcc dot gnu.org
2015-10-22 11:44 ` rguenth at gcc dot gnu.org
2015-10-22 11:45 ` rguenth at gcc dot gnu.org
2021-09-13 20:41 ` pinskia at gcc dot gnu.org
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