http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23650
Andrew Pinski changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23650
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
Last reconfirmed|
--- Additional Comments From Erwin dot Unruh at fujitsu-siemens dot com
2005-09-20 07:22 ---
Created an attachment (id=9780)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9780&action=view)
complete testcase (corrected)
My first try on the testcase depends on the endianess. S/390 i
--- Additional Comments From rguenth at gcc dot gnu dot org 2005-09-19
17:57 ---
Created an attachment (id=9774)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9774&action=view)
complete testcase
Combining comment #1 and the testcase, declaring some functions and exchaning
printf f
--- Additional Comments From Erwin dot Unruh at fujitsu-siemens dot com
2005-09-19 12:25 ---
Created an attachment (id=9773)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9773&action=view)
testcase supplement
Here is some additional coding, which calls the function given in the bu
--- Additional Comments From Erwin dot Unruh at fujitsu-siemens dot com
2005-09-02 09:08 ---
The zero_extract is generated by the combiner pass (x.c.17.combine). Note that
the official documentation of zero_extract requires a mem:QI (see
http://gcc.gnu.org/onlinedocs/gccint/Bit_002dFie
--- Additional Comments From rguenth at gcc dot gnu dot org 2005-08-31
14:58 ---
Also note that gcc 3.3.2 is not exactly state of the art, but unmaintained,
and a fix would go at earliest into 3.4.5, which may be already fixed.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23650
--- Additional Comments From bonzini at gcc dot gnu dot org 2005-08-31
14:45 ---
Having a zero_extract that takes 16 bytes out of a QImode mem seems extremely
wrong. Can you find out which pass generates that thing? Just grep for
zero_extract:SI..mem[a-z/]:QI
in all the files dumped
--- Additional Comments From rguenth at gcc dot gnu dot org 2005-08-31
14:39 ---
Can you please provide a testcase that can be executed and does abort() if the
outcome is wrong and has zero exit code if it is right?
Thanks,
Richard.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=236
--- Additional Comments From Erwin dot Unruh at fujitsu-siemens dot com
2005-08-31 12:51 ---
With option -fno-strict-aliasing the generated code is still incorrect.
--
What|Removed |Added
---
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-31
12:29 ---
You are violating C aliasing rules, either use an union (which is a GCC
extension) or use -fno-strict-
alias.
(Char2 * ) &var
*** This bug has been marked as a duplicate of 21920 ***
--
What
11 matches
Mail list logo
