On Sep 17 2018, Jeff Law <l...@redhat.com> wrote:
> On 9/17/18 3:08 AM, Andreas Schwab wrote:
>> PR rtl-optimization/85458
>> * sel-sched.c (sel_target_adjust_priority): Remove wrong
>> assertion.
> Under what conditions is the new priority negative? Without digging
> deep into the ia64 port that just seems wrong.
It is created in create_speculation_check:
Starting program: /daten/src/gcc/c-ia64/gcc/cc1 -O3 -funroll-loops
../../gcc/gcc/testsuite/gcc.c-torture/compile/20010102-1.c
_obstack_newchunk
Analyzing compilation unit
Performing interprocedural optimizations
<*free_lang_data> <visibility> <build_ssa_passes> <opt_local_passes>
<targetclone> <free-fnsummary>Streaming LTO
<whole-program> <profile_estimate> <icf> <devirt> <cp> <fnsummary> <inline>
<pure-const> <free-fnsummary> <static-var> <single-use> <comdats>Assembling
functions:
<materialize-all-clones> _obstack_newchunk
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250, check_ds=47,
orig_insn=0x7ffff6b6b4c0) at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$18 = 13
(gdb) c
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250, check_ds=47,
orig_insn=0x7ffff6b6b680) at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$19 = 11
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250, check_ds=47,
orig_insn=0x7ffff6b6ba00) at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$20 = 7
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250, check_ds=26,
orig_insn=0x7ffff6bb1940) at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$21 = 1
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253978, orig_insn=0x7ffff6b6b300)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$22 = 15
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253952, orig_insn=0x7ffff6b55240)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$23 = 0
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253999, orig_insn=0x7ffff6b554c0)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$24 = 0
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253987, orig_insn=0x7ffff6b55700)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$25 = 0
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253978, orig_insn=0x7ffff6b55940)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$26 = 0
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253978, orig_insn=0x7ffff6b55b80)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$27 = 0
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253952, orig_insn=0x7ffff6b58540)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$28 = 0
(gdb)
Continuing.
Breakpoint 6, create_speculation_check (c_expr=0x7fffffffd250,
check_ds=253952, orig_insn=0x7ffff6b586c0)
at ../../gcc/gcc/sel-sched.c:1820
1820 if (recovery_block != NULL)
$29 = -1
(gdb)
Continuing.
Breakpoint 1, fancy_abort (file=0x13ead27 "../../gcc/gcc/sel-sched.c",
line=3333,
function=0x13ebe30 <sel_target_adjust_priority(_expr*)::__FUNCTION__>
"sel_target_adjust_priority") at ../../gcc/gcc/diagnostic.c:1559
1559 {
Andreas.
--
Andreas Schwab, SUSE Labs, sch...@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
