https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85193
Bug ID: 85193
Summary: [7/8 Regression] ICE: SIGSEGV in memory_operand at
recog.c:1361 with -O2 -fno-tree-ccp -fno-tree-fre
-mno-sse
Product: gcc
Version: 8.0.1
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 43838
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43838&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fno-tree-ccp -fno-tree-fre -mno-sse testcase.c
-wrapper valgrind,-q
testcase.c: In function 'foo':
testcase.c:10:1: warning: SSE vector argument without SSE enabled changes the
ABI [-Wpsabi]
foo(U f) {
^~~
==18107== Invalid read of size 2
==18107== at 0xC8C6B4: memory_operand(rtx_def*, machine_mode) (recog.c:1358)
==18107== by 0x12D9756: get_attr_memory(rtx_insn*) (i386.md:2472)
==18107== by 0x1155FAD: ix86_adjust_cost(rtx_insn*, int, rtx_insn*, int,
unsigned int) (x86-tune-sched.c:434)
==18107== by 0x16FFB75: dep_cost_1(_dep*, unsigned int) (haifa-sched.c:1493)
==18107== by 0x1701AF9: dep_cost (haifa-sched.c:1509)
==18107== by 0x1701AF9: priority(rtx_insn*) (haifa-sched.c:1660)
==18107== by 0x1701BEE: set_priorities(rtx_insn*, rtx_insn*)
(haifa-sched.c:7122)
==18107== by 0xCF7C6D: compute_priorities() (sched-rgn.c:3020)
==18107== by 0xCFB025: schedule_region (sched-rgn.c:3113)
==18107== by 0xCFB025: schedule_insns() [clone .part.41] (sched-rgn.c:3513)
==18107== by 0xCFB87D: schedule_insns (sched-rgn.c:3498)
==18107== by 0xCFB87D: rest_of_handle_sched2 (sched-rgn.c:3737)
==18107== by 0xCFB87D: (anonymous
namespace)::pass_sched2::execute(function*) (sched-rgn.c:3873)
==18107== by 0xC39F83: execute_one_pass(opt_pass*) (passes.c:2497)
==18107== by 0xC3A8B7: execute_pass_list_1(opt_pass*) (passes.c:2586)
==18107== by 0xC3A8C9: execute_pass_list_1(opt_pass*) (passes.c:2587)
==18107== Address 0xabababababababab is not stack'd, malloc'd or (recently)
free'd
==18107==
during RTL pass: sched2
testcase.c:13:1: internal compiler error: Segmentation fault
}
^
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-259070-checking-yes-rtl-df-extra-nobootstrap-pr85177-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/8.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-259070-checking-yes-rtl-df-extra-nobootstrap-pr85177-amd64
Thread model: posix
gcc version 8.0.1 20180404 (experimental) (GCC)
