[Bug target/34225] [4.3 Regression] ICE (segfault)

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2007-11-25 13:57 -------
A cross to ppc64 shows

Program received signal SIGSEGV, Segmentation fault.
0x0000000000b7ff6a in adjacent_mem_locations (insn1=0x2b2889d519b0, 
    insn2=0x2b2889ce50f0)
    at /space/rguenther/src/svn/trunk/gcc/config/rs6000/rs6000.c:18191
18191         return ((REGNO (reg0) == REGNO (reg1))
(gdb) print reg0
$1 = (rtx) 0x2b28893626e0
(gdb) print reg1
$2 = (rtx) 0x2b28893626e0
(gdb) call debug_rtx (reg0)
(reg/f:DI 1 1)

huh?

(gdb) bt
#0  0x0000000000b7ff6a in adjacent_mem_locations (insn1=0x2b2889d519b0, 
    insn2=0x2b2889ce50f0)
    at /space/rguenther/src/svn/trunk/gcc/config/rs6000/rs6000.c:18191
#1  0x0000000000b80d2a in rs6000_sched_reorder2 (dump=0x2b2889cd6840, 
    sched_verbose=0, ready=0x137e998, pn_ready=0x7fff217a7000, clock_var=26)
    at /space/rguenther/src/svn/trunk/gcc/config/rs6000/rs6000.c:18735
#2  0x0000000000d2e240 in schedule_block (target_bb=0x7fff217a7190, 
    rgn_n_insns1=62) at /space/rguenther/src/svn/trunk/gcc/haifa-sched.c:2487
#3  0x00000000008461f6 in schedule_region (rgn=0)
    at /space/rguenther/src/svn/trunk/gcc/sched-rgn.c:2815
#4  0x0000000000846598 in schedule_insns ()
    at /space/rguenther/src/svn/trunk/gcc/sched-rgn.c:2935
#5  0x0000000000846fab in rest_of_handle_sched2 ()


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34225