This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Strenghten early inliner analysis
- From: Markus Trippelsdorf <markus at trippelsdorf dot de>
- To: Jan Hubicka <hubicka at ucw dot cz>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 30 Dec 2014 14:21:55 +0100
- Subject: Re: Strenghten early inliner analysis
- Authentication-results: sourceware.org; auth=none
- References: <20141230113749 dot GB13958 at kam dot mff dot cuni dot cz>
On 2014.12.30 at 12:37 +0100, Jan Hubicka wrote:
> Hi,
> this patch enables inline predicates for early inlining, too. This is easy to do because
> we do have call stmt around and know if parameters are constants.
>
> Bootstrapped/regtested x86_64-linux, comitted.
This causes Firefox LTO build on ppc64 to fail:
/home/trippels/gcc_test/usr/local/bin/c++ -fPIC -Wall -Wempty-body -Woverloaded-virtual -Wsign-compare -Wwrite-strings -Werror=endif-labels -Werror=int-to-pointer-cast -Werror=missing-braces -Werror=pointer-arith -Werror=return-type -Werror=sequence-point -Werror=unused-label -Werror=trigraphs -Werror=type-limits -Wno-invalid-offsetof -Wcast-align -flto=80 --param lto-partitions=80 -mcpu=power8 -ffunction-sections -fdata-sections -fno-exceptions -fno-strict-aliasing -frtti -fno-exceptions -fno-math-errno -std=gnu++0x -pthread -pipe -UDEBUG -DNDEBUG -O3 -DU_STATIC_IMPLEMENTATION -fvisibility=hidden -W -Wall -pedantic -Wpointer-arith -Wwrite-strings -Wno-long-long -Wno-unused -Wno-unused-parameter -lpthread -Wl,--hash-style=gnu,--as-needed,--gc-sections,--icf=all -Wl,-z,noexecstack -Wl,-z,text -Wl,--build-id -Wl,--gc-sections -o ../../bin/genrb errmsg.o genrb.o parse.o read.o reslist.o ustr.o rbutil.o wrtjava.o rle.o wrtxml.o prscmnts.o -L../../lib -licutu -L../../lib -licui18n -L../../lib -licuuc -L../../stubdata -licudata -lpthread -ldl -lm
lto1: internal compiler error: in inline_merge_summary, at ipa-inline-analysis.c:3611
0x10490b63 inline_merge_summary(cgraph_edge*)
../../gcc/gcc/ipa-inline-analysis.c:3611
0x10d0fa4b inline_call(cgraph_edge*, bool, vec<cgraph_edge*, va_heap, vl_ptr>*, int*, bool, bool*)
../../gcc/gcc/ipa-inline-transform.c:326
0x10d07b1b inline_small_functions
../../gcc/gcc/ipa-inline.c:1813
0x10d07b1b ipa_inline
../../gcc/gcc/ipa-inline.c:2185
0x10d07b1b execute
../../gcc/gcc/ipa-inline.c:2558
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: fatal error: /home/trippels/gcc_test/usr/local/bin/c++ returned 1 exit status
Will open a bug report later.
--
Markus