public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug target/97528] New: [10/11 Regression] ICE in decompose_automod_address, at rtlanal.c:6298 (arm-linux-gnueabihf)
@ 2020-10-22 11:42 doko at debian dot org
  2020-10-22 11:52 ` [Bug target/97528] " rguenth at gcc dot gnu.org
                   ` (13 more replies)
  0 siblings, 14 replies; 15+ messages in thread
From: doko at debian dot org @ 2020-10-22 11:42 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97528

            Bug ID: 97528
           Summary: [10/11 Regression] ICE in decompose_automod_address,
                    at rtlanal.c:6298 (arm-linux-gnueabihf)
           Product: gcc
           Version: 10.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at debian dot org
  Target Milestone: ---

seen on the gcc-10 branch 2020-10-11 and trunk, building firefox.

$ cat intrapred_neon.i
typedef __simd64_int16_t a;
typedef __simd64_uint16_t b;
unsigned short c;
int d;
b e;
void f() {
  unsigned short *dst = &c;
  int g = d, bw = 4;
  b dc = e;
  for (int h = 0; h < bw; h++) {
    unsigned short *i = dst;
    b j = dc;
    __builtin_neon_vst1v4hi((__builtin_neon_hi *)i, (a)j);
    dst += g;
  }
}

$ gcc -o intrapred_neon.o -c -O1 -mfpu=neon intrapred_neon.i
during RTL pass: reload
/home/glandium/firefox-esr-78.4.0esr/third_party/aom/aom_dsp/arm/intrapred_neon.c:
In function 'aom_highbd_dc_predictor_4x4_neon':
/home/glandium/firefox-esr-78.4.0esr/third_party/aom/aom_dsp/arm/intrapred_neon.c:589:188:
internal compiler error: in decompose_automod_address, at rtlanal.c:6298
0x6cda45 decompose_automod_address
        ../../src/gcc/rtlanal.c:6298
0x6cda45 decompose_address(address_info*, rtx_def**, machine_mode, unsigned
char, rtx_code)
        ../../src/gcc/rtlanal.c:6463
0x6cdb19 decompose_mem_address(address_info*, rtx_def*)
        ../../src/gcc/rtlanal.c:6486
0x59a67b process_address_1
        ../../src/gcc/lra-constraints.c:3374
0x59c4cd process_address
        ../../src/gcc/lra-constraints.c:3648
0x59c4cd curr_insn_transform
        ../../src/gcc/lra-constraints.c:3963
0x5a088f lra_constraints(bool)
        ../../src/gcc/lra-constraints.c:5036
0x58e7a5 lra(_IO_FILE*)
        ../../src/gcc/lra.c:2443
0x54f331 do_reload
        ../../src/gcc/ira.c:5527
0x54f331 execute
        ../../src/gcc/ira.c:5713
Please submit a full bug report,
with preprocessed source if appropriate.

gcc-10 was configured with 

--with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-mode=thumb 
--enable-checking=yes,extra,rtl
--enable-default-pie

gcc trunk was configure with --enable-checking=yes

^ permalink raw reply	[flat|nested] 15+ messages in thread
end of thread, other threads:[~2021-02-03 18:37 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-10-22 11:42 [Bug target/97528] New: [10/11 Regression] ICE in decompose_automod_address, at rtlanal.c:6298 (arm-linux-gnueabihf) doko at debian dot org
2020-10-22 11:52 ` [Bug target/97528] " rguenth at gcc dot gnu.org
2020-10-23 11:25 ` ktkachov at gcc dot gnu.org
2020-11-18 16:12 ` [Bug target/97528] [9/10/11 " jakub at gcc dot gnu.org
2020-11-18 16:14 ` jakub at gcc dot gnu.org
2020-11-20 11:27 ` cvs-commit at gcc dot gnu.org
2020-11-20 11:42 ` [Bug target/97528] [9/10 " jakub at gcc dot gnu.org
2020-11-25 11:56 ` cvs-commit at gcc dot gnu.org
2021-02-01 13:28 ` avieira at gcc dot gnu.org
2021-02-01 13:30 ` ktkachov at gcc dot gnu.org
2021-02-01 13:36 ` jakub at gcc dot gnu.org
2021-02-03 10:03 ` cvs-commit at gcc dot gnu.org
2021-02-03 18:32 ` cvs-commit at gcc dot gnu.org
2021-02-03 18:33 ` avieira at gcc dot gnu.org
2021-02-03 18:37 ` jakub at gcc dot gnu.org

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).