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* [Bug c/94201] New: aarch64:ICE in tiny code model for ilp32 @ 2020-03-17 2:21 duanbo3 at huawei dot com 2020-03-17 6:17 ` [Bug c/94201] " duanbo3 at huawei dot com ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: duanbo3 at huawei dot com @ 2020-03-17 2:21 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94201 Bug ID: 94201 Summary: aarch64:ICE in tiny code model for ilp32 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: duanbo3 at huawei dot com Target Milestone: --- Target: aarch64 Created attachment 48048 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48048&action=edit mcmodel_tiny_for_ilp32.patch hello I find an ICE when testing GCC10.0 on aarch64 at -mabi=ilp32 -fPIC -mcmodel=tiny: Simple test case --- extern int bar (void *); extern long long a; int foo (void) { a=1; return bar ((void *)bar); } --- GCC version: gcc version 10.0.1 20200312 (experimental) Runcommand: gcc new_test.c -mabi=ilp32 -fPIC -mcmodel=tiny -S -o poc.s Result: ./new_test.c: In function 'foo': ./new_test.c:14:1: error: unrecognizable insn: (insn 11 10 12 2 (set (reg:SI 0 x0) (unspec:DI [ (symbol_ref:SI ("bar") [flags 0x41] <function_decl 0xffffa0cb3b00 bar>) ] UNSPEC_GOTTINYPIC)) "./new_test.c":13:10 -1 (expr_list:REG_EQUAL (symbol_ref:SI ("bar") [flags 0x41] <function_decl 0xffffa0cb3b00 bar>) (nil))) during RTL pass: vregs ./new_test.c:14:1: internal compiler error: in extract_insn, at recog.c:2294 0x62858b _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) ../.././gcc/rtl-error.c:108 0x6285b7 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) ../.././gcc/rtl-error.c:116 0xc9aa7f extract_insn(rtx_insn*) ../.././gcc/recog.c:2294 0x9c8917 instantiate_virtual_regs_in_insn ../.././gcc/function.c:1607 0x9c8917 instantiate_virtual_regs ../.././gcc/function.c:1977 0x9c8917 execute ../.././gcc/function.c:2026 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/94201] aarch64:ICE in tiny code model for ilp32 2020-03-17 2:21 [Bug c/94201] New: aarch64:ICE in tiny code model for ilp32 duanbo3 at huawei dot com @ 2020-03-17 6:17 ` duanbo3 at huawei dot com 2020-03-17 8:18 ` marxin at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: duanbo3 at huawei dot com @ 2020-03-17 6:17 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94201 --- Comment #1 from Duanbo <duanbo3 at huawei dot com> --- reviewing thread: https://gcc.gnu.org/pipermail/gcc-patches/2020-March/542116.html ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/94201] aarch64:ICE in tiny code model for ilp32 2020-03-17 2:21 [Bug c/94201] New: aarch64:ICE in tiny code model for ilp32 duanbo3 at huawei dot com 2020-03-17 6:17 ` [Bug c/94201] " duanbo3 at huawei dot com @ 2020-03-17 8:18 ` marxin at gcc dot gnu.org 2020-03-18 11:50 ` cvs-commit at gcc dot gnu.org 2020-03-19 7:42 ` [Bug target/94201] " rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: marxin at gcc dot gnu.org @ 2020-03-17 8:18 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94201 Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2020-03-17 CC| |marxin at gcc dot gnu.org Ever confirmed|0 |1 Status|UNCONFIRMED |NEW ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/94201] aarch64:ICE in tiny code model for ilp32 2020-03-17 2:21 [Bug c/94201] New: aarch64:ICE in tiny code model for ilp32 duanbo3 at huawei dot com 2020-03-17 6:17 ` [Bug c/94201] " duanbo3 at huawei dot com 2020-03-17 8:18 ` marxin at gcc dot gnu.org @ 2020-03-18 11:50 ` cvs-commit at gcc dot gnu.org 2020-03-19 7:42 ` [Bug target/94201] " rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2020-03-18 11:50 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94201 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Sandiford <rsandifo@gcc.gnu.org>: https://gcc.gnu.org/g:d91480dee934478063fe5945b73ff3c108e40a91 commit r10-7240-gd91480dee934478063fe5945b73ff3c108e40a91 Author: Duan bo <duanbo3@huawei.com> Date: Wed Mar 18 10:18:39 2020 +0000 aarch64: Fix SYMBOL_TINY_GOT handling for ILP32 [PR94201] The SYMBOL_TINY_GOT case in aarch64_load_symref_appropriately was missing support for ILP32. This caused an ICE on the testcase. 2020-03-18 Duan bo <duanbo3@huawei.com> gcc/ PR target/94201 * config/aarch64/aarch64.md (ldr_got_tiny): Delete. (@ldr_got_tiny_<mode>): New pattern. (ldr_got_tiny_sidi): Likewise. * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Use them to handle SYMBOL_TINY_GOT for ILP32. gcc/testsuite/ PR target/94201 * gcc.target/aarch64/pr94201.cï¼New test. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/94201] aarch64:ICE in tiny code model for ilp32 2020-03-17 2:21 [Bug c/94201] New: aarch64:ICE in tiny code model for ilp32 duanbo3 at huawei dot com ` (2 preceding siblings ...) 2020-03-18 11:50 ` cvs-commit at gcc dot gnu.org @ 2020-03-19 7:42 ` rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rsandifo at gcc dot gnu.org @ 2020-03-19 7:42 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94201 rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rsandifo at gcc dot gnu.org Resolution|--- |FIXED Component|c |target Status|NEW |RESOLVED --- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- Fixed on master. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-03-19 7:42 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-03-17 2:21 [Bug c/94201] New: aarch64:ICE in tiny code model for ilp32 duanbo3 at huawei dot com 2020-03-17 6:17 ` [Bug c/94201] " duanbo3 at huawei dot com 2020-03-17 8:18 ` marxin at gcc dot gnu.org 2020-03-18 11:50 ` cvs-commit at gcc dot gnu.org 2020-03-19 7:42 ` [Bug target/94201] " rsandifo at gcc dot gnu.org
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