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* [Bug c/67029] New: gcc-5.2.0 unable to find a register to spill with O3 fsched-pressure fschedule-insns
@ 2015-07-27 15:52 ziebell_marco at posteo dot de
  2015-07-27 16:06 ` [Bug c/67029] " trippels at gcc dot gnu.org
                   ` (15 more replies)
  0 siblings, 16 replies; 17+ messages in thread
From: ziebell_marco at posteo dot de @ 2015-07-27 15:52 UTC (permalink / raw)
  To: gcc-bugs

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67029

            Bug ID: 67029
           Summary: gcc-5.2.0 unable to find a register to spill with O3
                    fsched-pressure fschedule-insns
           Product: gcc
           Version: 5.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ziebell_marco at posteo dot de
  Target Milestone: ---

I'm using gcc-5.2.0 with binutils-2.25 on an amd64 maschine.
While compiling the tor program in version 2.6.10 with CFLAS="-O3
-fsched-pressure -fschedule-insns" I'm hitting following error:

x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I.  -I./src/ext -Isrc/ext
-I./src/ext/trunnel -I./src/trunnel -I./src/common -Isrc/common
-I./src/ext/trunnel -I./src/trunnel -I./src/or -Isrc/or
-DSHARE_DATADIR="\"/usr/share\"" -DLOCALSTATEDIR="\"/var/lib\""
-DBINDIR="\"/usr/bin\"" -I./src/common     -O3 -fsched-pressure
-fschedule-insns -fno-diagnostics-color -fno-lto -fno-use-linker-plugin
-D_FORTIFY_SOURCE=2 -Wall -fno-strict-aliasing -c -o src/or/addressmap.o
src/or/addressmap.c
<command-line>:0:0: warning: "_FORTIFY_SOURCE" redefined
<built-in>: note: this is the location of the previous definition
src/ext/curve25519_donna/curve25519-donna-c64.c: In function
‘curve25519_donna’:
src/ext/curve25519_donna/curve25519-donna-c64.c:451:1: error: unable to find a
register to spill
 }
 ^
src/ext/curve25519_donna/curve25519-donna-c64.c:451:1: error: this is the insn:
(insn 4080 9130 9131 19 (parallel [
            (set (reg:TI 9523 [orig:5982 D.4126 ] [5982])
                (mult:TI (zero_extend:TI (subreg/j:DI (reg:TI 9523 [orig:5982
D.4126 ] [5982]) 0))
                    (zero_extend:TI (reg/v:DI 1734 [ r0 ]))))
            (clobber (reg:CC 17 flags))
        ]) src/ext/curve25519_donna/curve25519-donna-c64.c:128 328
{*umulditi3_1}
     (expr_list:REG_UNUSED (reg:CC 17 flags)
        (nil)))
src/ext/curve25519_donna/curve25519-donna-c64.c:451: confused by earlier
errors, bailing out
Makefile:2982: recipe for target
'src/ext/curve25519_donna/src_common_libcurve25519_donna_a-curve25519-donna-c64.o'
failed
make[1]: ***
[src/ext/curve25519_donna/src_common_libcurve25519_donna_a-curve25519-donna-c64.o]
Error 1
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From: "ziebell_marco at posteo dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/67029] gcc-5.2.0 unable to find a register to spill with O3 fsched-pressure fschedule-insns
Date: Mon, 27 Jul 2015 15:53:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idg029

--- Comment #1 from ziebell_marco at posteo dot de ---
Created attachment 36068
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id6068&actioníit
build log of tor-0.2.6.10 with gcc-5.2.0


^ permalink raw reply	[flat|nested] 17+ messages in thread
end of thread, other threads:[~2015-09-30 16:40 UTC | newest]

Thread overview: 17+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-07-27 15:52 [Bug c/67029] New: gcc-5.2.0 unable to find a register to spill with O3 fsched-pressure fschedule-insns ziebell_marco at posteo dot de
2015-07-27 16:06 ` [Bug c/67029] " trippels at gcc dot gnu.org
2015-07-27 16:12 ` ziebell_marco at posteo dot de
2015-07-27 18:58 ` trippels at gcc dot gnu.org
2015-07-27 19:12 ` ziebell_marco at posteo dot de
2015-07-27 19:29 ` trippels at gcc dot gnu.org
2015-07-27 19:29 ` trippels at gcc dot gnu.org
2015-07-27 19:55 ` [Bug rtl-optimization/67029] [5/6 regression] " trippels at gcc dot gnu.org
2015-08-03  7:18 ` ubizjak at gmail dot com
2015-08-03 14:51 ` hjl.tools at gmail dot com
2015-08-05 19:14 ` hjl.tools at gmail dot com
2015-08-05 20:27 ` hjl.tools at gmail dot com
2015-08-06  2:38 ` hjl.tools at gmail dot com
2015-08-07 16:18 ` hjl at gcc dot gnu.org
2015-08-07 16:50 ` [Bug rtl-optimization/67029] [5 Regression] " trippels at gcc dot gnu.org
2015-09-30 16:40 ` hjl at gcc dot gnu.org
2015-09-30 16:40 ` hjl.tools at gmail dot com

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