[Bug optimization/12499] New: [tree-ssa] static variables in inline functions not emitted

[Bug optimization/12499] New: [tree-ssa] static variables in inline functions not emitted

[falk at debian dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12499

           Summary: [tree-ssa] static variables in inline functions not
                    emitted
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: falk at debian dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alphaev68-unknown-linux-gnu
  GCC host triplet: alphaev68-unknown-linux-gnu
GCC target triplet: alphaev68-unknown-linux-gnu

falk@juist:/tmp% cat test.i    
static inline int f() { static int r; return r++; }
int g() { return f(); }
int main() { }

falk@juist:/tmp% gcc -O2 -v test.i
Reading specs from
/usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/specs
Configured with: ../configure --disable-nls --enable-languages=c++
Thread model: posix
gcc version 3.5-tree-ssa 20030930 (merged 20030923)
 /usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../libexec/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/cc1 -fpreprocessed test.i -quiet -dumpbase test.i -mcpu=ev67 -auxbase test -O2 -version -o /tmp/ccKpbcUh.s
GNU C version 3.5-tree-ssa 20030930 (merged 20030923) (alphaev68-unknown-linux-gnu)
        compiled by GNU C version 3.4 20030923 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
 as -no-mdebug -o /tmp/ccth2Hci.o /tmp/ccKpbcUh.s
 /usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../libexec/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/collect2 --eh-frame-hdr -m elf64alpha -O3 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/crt1.o /usr/lib/crti.o /usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/crtbegin.o -L/usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa -L/usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../lib/gcc -L/usr/local/lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa -L/usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/../../.. -L/usr/local/lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/../../.. /tmp/ccth2Hci.o -lgcc -lgcc_eh -lc -lgcc -lgcc_eh /usr/local/stow/gcc-tree-ssa-2003.10.01/bin/../lib/gcc/alphaev68-unknown-linux-gnu/3.5-tree-ssa/crtend.o /usr/lib/crtn.o
/tmp/ccth2Hci.o(.text+0x8): In function `g':
: undefined reference to `r.0'
/tmp/ccth2Hci.o(.text+0xc): In function `g':
: undefined reference to `r.0'
/tmp/ccth2Hci.o(.text+0x14): In function `g':
: undefined reference to `r.0'
collect2: ld returned 1 exit status

[Bug optimization/12499] [tree-ssa] static variables in inline functions not emitted

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12499



------- Additional Comments From pinskia at gcc dot gnu dot org  2003-10-03 16:25 -------
Related to bug 12039 (might be a dup of this bug also).

[Bug optimization/12499] [tree-ssa] static variables in inline functions not emitted

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12499


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2003-10-17 14:25:53
               date|                            |


------- Additional Comments From pinskia at gcc dot gnu dot org  2003-10-17 14:25 -------
I can confirm this in 20031017.

[Bug optimization/12499] [tree-ssa] static variables in inline functions not emitted

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12499


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
   Target Milestone|---                         |tree-ssa


------- Additional Comments From pinskia at gcc dot gnu dot org  2003-10-17 19:20 -------
Most likely fixed by, I will check once I compile the compiler with this patch applied:
Branch:         tree-ssa-20020619-branch
Changes by:     hubicka@gcc.gnu.org     2003-10-17 18:34:04

Modified files:
        gcc            : ChangeLog.tree-ssa tree-cfg.c 

Log message:
        * tree-cfg.c (remove_useless_stmts_and_vars_bind): Fix handling of
        static variables.

[Bug optimization/12499] [tree-ssa] static variables in inline functions not emitted

[pinskia at gcc dot gnu dot org]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12499


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


------- Additional Comments From pinskia at gcc dot gnu dot org  2003-10-17 22:43 -------
Was fixed by the patch so closing.