Launchpad has imported 12 comments from the remote bug at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78643.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2016-12-02T11:30:42+00:00 Doko-v wrote: Created attachment 40223 test case seen on trunk, 6 and 5 branches on x86_64-linux-gnu, works with -O1 and up: $ g++ -c -O0 main.cpp main.cpp: In function 'void p(AV)': main.cpp:80:6: note: The ABI for passing parameters with 32-byte alignment has changed in GCC 4.6 void p(union AV a) { ^ main.cpp: In function 'void test(AV, int)': main.cpp:101:29: internal compiler error: in convert_move, at expr.c:230 r.av = _mm256_shift_left(a.av,n); ~~~~~~~~~~~~~~~~~^~~~~~~~ 0x898da0 convert_move(rtx_def*, rtx_def*, int) ../../src/gcc/expr.c:230 0x89f5cb store_expr_with_bounds(tree_node*, rtx_def*, int, bool, bool, tree_node*) ../../src/gcc/expr.c:5628 0x89fa3e expand_assignment(tree_node*, tree_node*, bool) ../../src/gcc/expr.c:5320 0x7b3dcd expand_gimple_stmt_1 ../../src/gcc/cfgexpand.c:3641 0x7b3dcd expand_gimple_stmt ../../src/gcc/cfgexpand.c:3737 0x7b538f expand_gimple_basic_block ../../src/gcc/cfgexpand.c:5744 0x7ba596 execute ../../src/gcc/cfgexpand.c:6358 Please submit a full bug report, with preprocessed source if appropriate. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/3 ------------------------------------------------------------------------ On 2017-08-09T13:47:16+00:00 Marxin-m wrote: Confirmed, started with r220609.https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78643# Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/5 ------------------------------------------------------------------------ On 2017-08-30T00:09:51+00:00 Jakub-gcc wrote: I think the problem is that while TYPE_MODE has the hacks for vector types (vector_type_mode call), DECL_MODE doesn't have something similar. We have some hacks for this here and there. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/6 ------------------------------------------------------------------------ On 2017-08-30T00:33:18+00:00 Jakub-gcc wrote: E.g. the following untested patch fixes it (or we could do it in the callers): --- gcc/expr.c.jj 2017-08-29 19:03:09.000000000 +0200 +++ gcc/expr.c 2017-08-30 02:09:33.150618229 +0200 @@ -7010,7 +7010,11 @@ get_inner_reference (tree exp, HOST_WIDE size. */ mode = TYPE_MODE (DECL_BIT_FIELD_TYPE (field)); else if (!DECL_BIT_FIELD (field)) - mode = DECL_MODE (field); + { + mode = DECL_MODE (field); + if (mode == BLKmode && VECTOR_TYPE_P (TREE_TYPE (exp))) + mode = TYPE_MODE (TREE_TYPE (exp)); + } else if (DECL_MODE (field) == BLKmode) blkmode_bitfield = true; Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/7 ------------------------------------------------------------------------ On 2017-10-10T13:25:58+00:00 Jakub-gcc wrote: GCC 5 branch is being closed Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/8 ------------------------------------------------------------------------ On 2017-12-01T10:48:14+00:00 Jakub-gcc wrote: Created attachment 42764 gcc8-pr80583.patch Untested fix. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/9 ------------------------------------------------------------------------ On 2017-12-02T07:55:19+00:00 Jakub-gcc wrote: Author: jakub Date: Sat Dec 2 07:54:47 2017 New Revision: 255353 URL: https://gcc.gnu.org/viewcvs?rev=255353&root=gcc&view=rev Log: PR target/78643 PR target/80583 * expr.c (get_inner_reference): If DECL_MODE of a non-bitfield is BLKmode for vector field with vector raw mode, use TYPE_MODE instead of DECL_MODE. * gcc.target/i386/pr80583.c: New test. Added: trunk/gcc/testsuite/gcc.target/i386/pr80583.c Modified: trunk/gcc/ChangeLog trunk/gcc/expr.c trunk/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/10 ------------------------------------------------------------------------ On 2017-12-02T08:01:42+00:00 Jakub-gcc wrote: Fixed on the trunk so far. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/11 ------------------------------------------------------------------------ On 2017-12-15T22:09:39+00:00 Jakub-gcc wrote: Author: jakub Date: Fri Dec 15 22:09:07 2017 New Revision: 255721 URL: https://gcc.gnu.org/viewcvs?rev=255721&root=gcc&view=rev Log: Backported from mainline 2017-12-02 Jakub Jelinek <[email protected]> PR target/78643 PR target/80583 * expr.c (get_inner_reference): If DECL_MODE of a non-bitfield is BLKmode for vector field with vector raw mode, use TYPE_MODE instead of DECL_MODE. * gcc.target/i386/pr80583.c: New test. Added: branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/pr80583.c Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/expr.c branches/gcc-7-branch/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/12 ------------------------------------------------------------------------ On 2017-12-16T08:58:06+00:00 Jakub-gcc wrote: Fixed for 7.3+ too. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/13 ------------------------------------------------------------------------ On 2018-06-25T16:57:46+00:00 Jakub-gcc wrote: Author: jakub Date: Mon Jun 25 16:57:13 2018 New Revision: 262041 URL: https://gcc.gnu.org/viewcvs?rev=262041&root=gcc&view=rev Log: Backported from mainline 2017-12-02 Jakub Jelinek <[email protected]> PR target/78643 PR target/80583 * expr.c (get_inner_reference): If DECL_MODE of a non-bitfield is BLKmode for vector field with vector raw mode, use TYPE_MODE instead of DECL_MODE. * gcc.target/i386/pr80583.c: New test. Added: branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr80583.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/expr.c branches/gcc-6-branch/gcc/testsuite/ChangeLog Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/14 ------------------------------------------------------------------------ On 2018-06-25T18:02:48+00:00 Jakub-gcc wrote: Fixed for 6.5. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1642109/comments/15 ** Changed in: gcc Status: In Progress => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1642109 Title: internal compiler error: in expand_debug_locations, at cfgexpand.c:5118 To manage notifications about this bug go to: https://bugs.launchpad.net/gcc/+bug/1642109/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
