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* [Bug target/49853] New: [x32] PIC doesn't work with external symbol @ 2011-07-26 14:40 hjl.tools at gmail dot com 2011-07-26 18:04 ` [Bug target/49853] " uros at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2011-07-26 14:40 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49853 Summary: [x32] PIC doesn't work with external symbol Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned@gcc.gnu.org ReportedBy: hjl.tools@gmail.com [hjl@gnu-6 gcc]$ cat /tmp/bar.c typedef unsigned int Elf32_Addr; extern void _start (void); int dl_main ( Elf32_Addr *user_entry) { if (*user_entry == (Elf32_Addr) _start) return 0; else return 1; } [hjl@gnu-6 gcc]$ ./xgcc -B./ -S -O2 -fPIC /tmp/bar.c -mx32 -std=gnu99 -dp /tmp/bar.c: In function ‘dl_main’: /tmp/bar.c:10:1: error: unrecognizable insn: (insn 6 5 7 3 (set (reg:SI 67) (symbol_ref:SI ("_start") [flags 0x41] <function_decl 0x7faad972ff00 _start>)) /tmp/bar.c:6 -1 (nil)) /tmp/bar.c:10:1: internal compiler error: in extract_insn, at recog.c:2115 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [hjl@gnu-6 gcc]$ ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/49853] [x32] PIC doesn't work with external symbol 2011-07-26 14:40 [Bug target/49853] New: [x32] PIC doesn't work with external symbol hjl.tools at gmail dot com @ 2011-07-26 18:04 ` uros at gcc dot gnu.org 2011-07-26 19:29 ` hjl.tools at gmail dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: uros at gcc dot gnu.org @ 2011-07-26 18:04 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49853 --- Comment #1 from uros at gcc dot gnu.org 2011-07-26 18:03:59 UTC --- Author: uros Date: Tue Jul 26 18:03:54 2011 New Revision: 176798 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176798 Log: PR target/47369 PR target/49853 * config/i386/i386.c (ix86_expand_move): Call convert_to_mode if legitimize_tls_address returned operand in wrong mode. Allow SImode and DImode symbolic operand for PIC. Call convert_to_mode if legitimize_pic_address returned operand in wrong mode. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/49853] [x32] PIC doesn't work with external symbol 2011-07-26 14:40 [Bug target/49853] New: [x32] PIC doesn't work with external symbol hjl.tools at gmail dot com 2011-07-26 18:04 ` [Bug target/49853] " uros at gcc dot gnu.org @ 2011-07-26 19:29 ` hjl.tools at gmail dot com 2011-07-26 19:35 ` ubizjak at gmail dot com 2011-07-26 19:37 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2011-07-26 19:29 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49853 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ubizjak at gmail dot com --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-26 19:29:01 UTC --- Another testcase: [hjl@gnu-6 ilp32-10]$ cat x.i typedef struct FILE FILE; int _fwalk(int (*)(FILE *)); int __sflush(FILE *); int fflush(FILE *fp) { return (_fwalk(__sflush)); } [hjl@gnu-6 ilp32-10]$ make /export/build/gnu/gcc/build-x86_64-linux/gcc/xgcc -B/export/build/gnu/gcc/build-x86_64-linux/gcc/ -S -o x.s -mx32 -O2 -g -fPIC -dp x.i x.i: In function ‘fflush’: x.i:8:1: internal compiler error: in simplify_subreg, at simplify-rtx.c:5417 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make: *** [x.s] Error 1 [hjl@gnu-6 ilp32-10]$ ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/49853] [x32] PIC doesn't work with external symbol 2011-07-26 14:40 [Bug target/49853] New: [x32] PIC doesn't work with external symbol hjl.tools at gmail dot com 2011-07-26 18:04 ` [Bug target/49853] " uros at gcc dot gnu.org 2011-07-26 19:29 ` hjl.tools at gmail dot com @ 2011-07-26 19:35 ` ubizjak at gmail dot com 2011-07-26 19:37 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: ubizjak at gmail dot com @ 2011-07-26 19:35 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49853 --- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2011-07-26 19:34:47 UTC --- (In reply to comment #2) > Another testcase: This is PR47372. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/49853] [x32] PIC doesn't work with external symbol 2011-07-26 14:40 [Bug target/49853] New: [x32] PIC doesn't work with external symbol hjl.tools at gmail dot com ` (2 preceding siblings ...) 2011-07-26 19:35 ` ubizjak at gmail dot com @ 2011-07-26 19:37 ` hjl.tools at gmail dot com 3 siblings, 0 replies; 5+ messages in thread From: hjl.tools at gmail dot com @ 2011-07-26 19:37 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49853 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |FIXED --- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-26 19:37:09 UTC --- Fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2011-07-26 19:37 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-07-26 14:40 [Bug target/49853] New: [x32] PIC doesn't work with external symbol hjl.tools at gmail dot com 2011-07-26 18:04 ` [Bug target/49853] " uros at gcc dot gnu.org 2011-07-26 19:29 ` hjl.tools at gmail dot com 2011-07-26 19:35 ` ubizjak at gmail dot com 2011-07-26 19:37 ` hjl.tools at gmail dot com
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