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* [Bug lto/63963] New: [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2")))
@ 2014-11-19 13:47 hjl.tools at gmail dot com
2014-11-19 14:24 ` [Bug lto/63963] " rguenth at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: hjl.tools at gmail dot com @ 2014-11-19 13:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63963
Bug ID: 63963
Summary: [5 Regression] LTO doesn't work with
__attribute__((__target__("sse4.2")))
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
On Linux/x86-64, r217664 gave
extern const uchar * search_line_sse42 (const uchar *s, const uchar *end);
int
main (int argc, char **argv)
{
return search_line_sse42 (argv[0], argv[0]) != 0;
}
[hjl@gnu-6 gcc]$ cat /tmp/lex.c
#include <stdint.h>
#include <x86intrin.h>
typedef unsigned char uchar;
const uchar *
__attribute__((__target__("sse4.2")))
search_line_sse42 (const uchar *s, const uchar *end)
{
typedef char v16qi __attribute__ ((__vector_size__ (16)));
static const v16qi search = { '\n', '\r', '?', '\\' };
uintptr_t si = (uintptr_t)s;
uintptr_t index;
v16qi sv;
sv = __builtin_ia32_loaddqu ((const char *) s);
index = __builtin_ia32_pcmpestri128 (search, 4, sv, 16, 0);
return s + index;
}
[hjl@gnu-6 gcc]$ ./xgcc -B./ -O2 -flto -c /tmp/x.c
[hjl@gnu-6 gcc]$ ./xgcc -B./ -O2 -flto x.o lex.o
/tmp/lex.c: In function \u2018main\u2019:
/tmp/lex.c:16:11: error: \u2018__builtin_ia32_pcmpestri128\u2019 needs isa
option -m32 -msse4.2
index = __builtin_ia32_pcmpestri128 (search, 4, sv, 16, 0);
^
lto-wrapper: fatal error: ./xgcc returned 1 exit status
compilation terminated.
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
[hjl@gnu-6 gcc]$
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug lto/63963] [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2")))
2014-11-19 13:47 [Bug lto/63963] New: [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2"))) hjl.tools at gmail dot com
@ 2014-11-19 14:24 ` rguenth at gcc dot gnu.org
2014-11-19 20:36 ` hubicka at gcc dot gnu.org
2014-11-20 22:28 ` hubicka at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-11-19 14:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63963
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
CC| |hubicka at gcc dot gnu.org
Target Milestone|--- |5.0
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug lto/63963] [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2")))
2014-11-19 13:47 [Bug lto/63963] New: [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2"))) hjl.tools at gmail dot com
2014-11-19 14:24 ` [Bug lto/63963] " rguenth at gcc dot gnu.org
@ 2014-11-19 20:36 ` hubicka at gcc dot gnu.org
2014-11-20 22:28 ` hubicka at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: hubicka at gcc dot gnu.org @ 2014-11-19 20:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63963
--- Comment #2 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Wed Nov 19 20:35:49 2014
New Revision: 217809
URL: https://gcc.gnu.org/viewcvs?rev=217809&root=gcc&view=rev
Log:
PR bootstrap/63963
* tree-streamer-out.c (write_ts_function_decl_tree_pointers): Stream out
DECL_FUNCTION_SPECIFIC_TARGET
* tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): Stream in
DECL_FUNCTION_SPECIFIC_TARGET.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-streamer-in.c
trunk/gcc/tree-streamer-out.c
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug lto/63963] [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2")))
2014-11-19 13:47 [Bug lto/63963] New: [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2"))) hjl.tools at gmail dot com
2014-11-19 14:24 ` [Bug lto/63963] " rguenth at gcc dot gnu.org
2014-11-19 20:36 ` hubicka at gcc dot gnu.org
@ 2014-11-20 22:28 ` hubicka at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: hubicka at gcc dot gnu.org @ 2014-11-20 22:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63963
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2014-11-19 13:47 [Bug lto/63963] New: [5 Regression] LTO doesn't work with __attribute__((__target__("sse4.2"))) hjl.tools at gmail dot com
2014-11-19 14:24 ` [Bug lto/63963] " rguenth at gcc dot gnu.org
2014-11-19 20:36 ` hubicka at gcc dot gnu.org
2014-11-20 22:28 ` hubicka at gcc dot gnu.org
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