public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 @ 2022-08-16 13:29 pivanov at hotmail dot com 2022-08-16 13:31 ` [Bug c/106642] " pivanov at hotmail dot com ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: pivanov at hotmail dot com @ 2022-08-16 13:29 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642 Bug ID: 106642 Summary: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: pivanov at hotmail dot com Target Milestone: --- Compiler hangs forever and consumes all available memory when cross-compiling android kernel tree. The file that it hangs on is kernel/events/ring_buffer.c You may find the preprocessed ring_buffer.i attached. Compiler version and flags (source code checked out @ commit 1c596391e): https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=1c596391e150a6b0c55960c1c1cf1da76ea78230 ------------------------------------------------------------------------ /storage/gcc-arm64/bin/aarch64-elf-gcc -v Using built-in specs. COLLECT_GCC=/storage/gcc-arm64/bin/aarch64-elf-gcc COLLECT_LTO_WRAPPER=/storage/gcc-arm64/bin/../libexec/gcc/aarch64-elf/13.0.0/lto-wrapper Target: aarch64-elf Configured with: ../gcc/configure --target=aarch64-elf CFLAGS='-flto -flto-compression-level=10 -O3 -pipe -ffunction-sections -fdata-sections' CXXFLAGS='-flto -flto-compression-level=10 -O3 -pipe -ffunction-sections -fdata-sections' --prefix=/storage/gcc-arm64 --disable-decimal-float --disable-gcov --disable-libffi --disable-libgomp --disable-libmudflap --disable-libquadmath --disable-libstdcxx-pch --disable-nls --disable-shared --disable-docs --enable-default-ssp --enable-languages=c,c++ --enable-threads=posix --with-pkgversion='Eva GCC' --with-newlib --with-gnu-as --with-gnu-ld --with-linker-hash-style=gnu --with-sysroot --with-headers=/usr/include Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20220816 (Bleeding Edge) (Eva GCC) Command line used that hangs compiler: ---------------------------------------- /storage/gcc-arm64/bin/aarch64-elf-gcc -Wp,-MD,kernel/events/.ring_buffer.o.d -nostdinc -isystem /ext/gcc-arm64-gcc-master/bin/../lib/gcc/aarch64-elf/13.0.0/include -I../arch/arm64/include -I./arch/arm64/include/generated -I../include -I./include -I../arch/arm64/include/uapi -I./arch/arm64/include/generated/uapi -I../include/uapi -I./include/generated/uapi -include ../include/linux/kconfig.h -I../kernel/events -Ikernel/events -D__KERNEL__ -mlittle-endian -DKASAN_SHADOW_SCALE_SHIFT=3 -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -fno-gcse -mgeneral-regs-only -DCONFIG_AS_LSE=1 -DCONFIG_VDSO32=1 -fno-asynchronous-unwind-tables -fno-pic -mabi=lp64 -DCONFIG_ARCH_SUPPORTS_INT128 -DKASAN_SHADOW_SCALE_SHIFT=3 -O3 -mcpu=cortex-a76.cortex-a55+crypto+crc+lse+fp16+rcpc+rdma+dotprod -mtune=cortex-a76.cortex-a55 -fgraphite-identity -floop-nest-optimize -fno-semantic-interposition -fdevirtualize-at-ltrans -fipa-pta -fno-plt -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-int-in-bool-context -Wno-address-of-packed-member -Wno-attribute-alias -O3 -mcpu=cortex-a76.cortex-a55+crypto+crc+lse+fp16+rcpc+rdma+dotprod -mtune=cortex-a76.cortex-a55 -fgraphite-identity -floop-nest-optimize -fno-semantic-interposition -fdevirtualize-at-ltrans -fipa-pta -fno-plt -fno-allow-store-data-races -DCC_HAVE_ASM_GOTO -fstack-protector-strong -fno-delete-null-pointer-checks -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -ffunction-sections -fdata-sections -Wdeclaration-after-statement -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -fmacro-prefix-map=../= -fgcse-sm -Wno-packed-not-aligned -DKBUILD_BASENAME='"ring_buffer"' -DKBUILD_MODNAME='"ring_buffer"' -c -o kernel/events/ring_buffer.o ../kernel/events/ring_buffer.c -------------------------------------------- The same command line hangs on the attached preprocessed file (ring_buffer.i) so the bug should be fully reproducible. I did try to alter options from the command line above but couldn't make it to compile no matter what options have been removed. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c/106642] cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 2022-08-16 13:29 [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 pivanov at hotmail dot com @ 2022-08-16 13:31 ` pivanov at hotmail dot com 2022-08-16 13:56 ` [Bug middle-end/106642] " rearnsha at gcc dot gnu.org ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: pivanov at hotmail dot com @ 2022-08-16 13:31 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642 --- Comment #1 from pivanov at hotmail dot com --- Created attachment 53466 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53466&action=edit Preprocessed file that triggers the hang ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/106642] cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 2022-08-16 13:29 [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 pivanov at hotmail dot com 2022-08-16 13:31 ` [Bug c/106642] " pivanov at hotmail dot com @ 2022-08-16 13:56 ` rearnsha at gcc dot gnu.org 2022-08-16 14:00 ` pinskia at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: rearnsha at gcc dot gnu.org @ 2022-08-16 13:56 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642 Richard Earnshaw <rearnsha at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2022-08-16 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 --- Comment #2 from Richard Earnshaw <rearnsha at gcc dot gnu.org> --- Seems to be stuck in a recursive loop: #9 0x0000000001700472 in generic_simplify_GT_EXPR (loc=2147516709, type=0x7ffff752a5e8, _p0=0x7ffff5a65900, _p1=0x7ffff72fb288, code=<optimized out>) at generic-match.cc:75812 #10 0x00000000017ae6ee in generic_simplify (loc=loc@entry=2147516709, code=code@entry=GT_EXPR, type=type@entry=0x7ffff752a5e8, _p0=_p0@entry=0x7ffff5a65900, _p1=_p1@entry=0x7ffff72fb288) at generic-match.cc:93192 #11 0x0000000000c33376 in fold_binary_loc (loc=2147516709, code=GT_EXPR, type=0x7ffff752a5e8, op0=0x7ffff5a65900, op1=0x7ffff72fb288) at /home/rearnsha/gnusrc/gcc-cross/master/gcc/fold-const.cc:10893 #12 0x0000000000c3b8fe in fold_build2_loc (loc=loc@entry=2147516709, code=code@entry=GT_EXPR, type=type@entry=0x7ffff752a5e8, op0=op0@entry=0x7ffff5a65900, op1=0x7ffff72fb288) at /home/rearnsha/gnusrc/gcc-cross/master/gcc/fold-const.cc:13845 #13 0x00000000016a0eff in generic_simplify_22 (loc=2147516709, type=0x7ffff752a5e8, captures=0x7ffffffe8140, cmp=GT_EXPR, _p1=<optimized out>, _p0=<optimized out>) at generic-match.cc:2445 #14 0x0000000001700472 in generic_simplify_GT_EXPR (loc=2147516709, type=0x7ffff752a5e8, _p0=0x7ffff5a65930, _p1=0x7ffff72fb288, code=<optimized out>) at generic-match.cc:75812 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/106642] cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 2022-08-16 13:29 [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 pivanov at hotmail dot com 2022-08-16 13:31 ` [Bug c/106642] " pivanov at hotmail dot com 2022-08-16 13:56 ` [Bug middle-end/106642] " rearnsha at gcc dot gnu.org @ 2022-08-16 14:00 ` pinskia at gcc dot gnu.org 2022-08-16 14:09 ` pivanov at hotmail dot com ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-08-16 14:00 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Depends on| |106617 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I am 99% sure this is a duplicate of bug 106617 Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106617 [Bug 106617] [13 Regression] gcc is very slow at ternary expressions since r13-322-g7f04b0d786e13ff5 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/106642] cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 2022-08-16 13:29 [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 pivanov at hotmail dot com ` (2 preceding siblings ...) 2022-08-16 14:00 ` pinskia at gcc dot gnu.org @ 2022-08-16 14:09 ` pivanov at hotmail dot com 2022-08-16 14:46 ` pinskia at gcc dot gnu.org 2022-08-16 14:48 ` pinskia at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: pivanov at hotmail dot com @ 2022-08-16 14:09 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642 --- Comment #4 from pivanov at hotmail dot com --- It really looks like endless recursion as the whole memory gets exhausted if I leave it running long enough. What I see in bug 106617 description (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106617) is that it just works slowly but gets the work done. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/106642] cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 2022-08-16 13:29 [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 pivanov at hotmail dot com ` (3 preceding siblings ...) 2022-08-16 14:09 ` pivanov at hotmail dot com @ 2022-08-16 14:46 ` pinskia at gcc dot gnu.org 2022-08-16 14:48 ` pinskia at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-08-16 14:46 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642 --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- max_order = ( __builtin_constant_p(nr_pages) ? ( __builtin_constant_p(nr_pages) ? ( (nr_pages) < 2 ? 0 : (nr_pages) & (1ULL << 63) ? 63 : (nr_pages) & (1ULL << 62) ? 62 : (nr_pages) & (1ULL << 61) ? 61 : (nr_pages) & (1ULL << 60) ? 60 : (nr_pages) & (1ULL << 59) ? 59 : (nr_pages) & (1ULL << 58) ? 58 : (nr_pages) & (1ULL << 57) ? 57 : (nr_pages) & (1ULL << 56) ? 56 : (nr_pages) & (1ULL << 55) ? 55 : (nr_pages) & (1ULL << 54) ? 54 : (nr_pages) & (1ULL << 53) ? 53 : (nr_pages) & (1ULL << 52) ? 52 : (nr_pages) & (1ULL << 51) ? 51 : (nr_pages) & (1ULL << 50) ? 50 : (nr_pages) & (1ULL << 49) ? 49 : (nr_pages) & (1ULL << 48) ? 48 : (nr_pages) & (1ULL << 47) ? 47 : (nr_pages) & (1ULL << 46) ? 46 : (nr_pages) & (1ULL << 45) ? 45 : (nr_pages) & (1ULL << 44) ? 44 : (nr_pages) & (1ULL << 43) ? 43 : (nr_pages) & (1ULL << 42) ? 42 : (nr_pages) & (1ULL << 41) ? 41 : (nr_pages) & (1ULL << 40) ? 40 : (nr_pages) & (1ULL << 39) ? 39 : (nr_pages) & (1ULL << 38) ? 38 : (nr_pages) & (1ULL << 37) ? 37 : (nr_pages) & (1ULL << 36) ? 36 : (nr_pages) & (1ULL << 35) ? 35 : (nr_pages) & (1ULL << 34) ? 34 : (nr_pages) & (1ULL << 33) ? 33 : (nr_pages) & (1ULL << 32) ? 32 : (nr_pages) & (1ULL << 31) ? 31 : (nr_pages) & (1ULL << 30) ? 30 : (nr_pages) & (1ULL << 29) ? 29 : (nr_pages) & (1ULL << 28) ? 28 : (nr_pages) & (1ULL << 27) ? 27 : (nr_pages) & (1ULL << 26) ? 26 : (nr_pages) & (1ULL << 25) ? 25 : (nr_pages) & (1ULL << 24) ? 24 : (nr_pages) & (1ULL << 23) ? 23 : (nr_pages) & (1ULL << 22) ? 22 : (nr_pages) & (1ULL << 21) ? 21 : (nr_pages) & (1ULL << 20) ? 20 : (nr_pages) & (1ULL << 19) ? 19 : (nr_pages) & (1ULL << 18) ? 18 : (nr_pages) & (1ULL << 17) ? 17 : (nr_pages) & (1ULL << 16) ? 16 : (nr_pages) & (1ULL << 15) ? 15 : (nr_pages) & (1ULL << 14) ? 14 : (nr_pages) & (1ULL << 13) ? 13 : (nr_pages) & (1ULL << 12) ? 12 : (nr_pages) & (1ULL << 11) ? 11 : (nr_pages) & (1ULL << 10) ? 10 : (nr_pages) & (1ULL << 9) ? 9 : (nr_pages) & (1ULL << 8) ? 8 : (nr_pages) & (1ULL << 7) ? 7 : (nr_pages) & (1ULL << 6) ? 6 : (nr_pages) & (1ULL << 5) ? 5 : (nr_pages) & (1ULL << 4) ? 4 : (nr_pages) & (1ULL << 3) ? 3 : (nr_pages) & (1ULL << 2) ? 2 : 1) : -1) : (sizeof(nr_pages) <= 4) ? __ilog2_u32(nr_pages) : __ilog2_u64(nr_pages) ); ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug middle-end/106642] cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 2022-08-16 13:29 [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 pivanov at hotmail dot com ` (4 preceding siblings ...) 2022-08-16 14:46 ` pinskia at gcc dot gnu.org @ 2022-08-16 14:48 ` pinskia at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-08-16 14:48 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106642 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |DUPLICATE Status|NEW |RESOLVED --- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Yes it is a dup of bug 106617. > It really looks like endless recursion as the whole memory gets exhausted if I leave it running long enough. That is because the original testcase is reduced further to figure out what is going on. But it is the same *** This bug has been marked as a duplicate of bug 106617 *** ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2022-08-16 14:48 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-08-16 13:29 [Bug c/106642] New: cc1 compiler hangs when cross-compiling ring_buffer.c (from kernel/events) on Aarch64 pivanov at hotmail dot com 2022-08-16 13:31 ` [Bug c/106642] " pivanov at hotmail dot com 2022-08-16 13:56 ` [Bug middle-end/106642] " rearnsha at gcc dot gnu.org 2022-08-16 14:00 ` pinskia at gcc dot gnu.org 2022-08-16 14:09 ` pivanov at hotmail dot com 2022-08-16 14:46 ` pinskia at gcc dot gnu.org 2022-08-16 14:48 ` pinskia 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).