http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55929
Bug #: 55929
Summary: lra-constraints-ICE while xg++ compile libitm with -Os
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: middle-end
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: l...@yuriev.ru
libtool: compile: /sandbox/stage1/gcc/./gcc/xg++ -B/sandbox/stage1/gcc/./gcc/
-nostdinc++ -nostdinc++
-I/sandbox/stage1/gcc/x86_64-linux-gnu/libstdc++-v3/include/x86_64-linux-gnu
-I/sandbox/stage1/gcc/x86_64-linux-gnu/libstdc++-v3/include
-I/sandbox/gcc-git/libstdc++-v3/libsupc++
-I/sandbox/gcc-git/libstdc++-v3/include/backward
-I/sandbox/gcc-git/libstdc++-v3/testsuite/util
-L/sandbox/stage1/gcc/x86_64-linux-gnu/libstdc++-v3/src
-L/sandbox/stage1/gcc/x86_64-linux-gnu/libstdc++-v3/src/.libs
-B/sandbox/stage1/x86_64-linux-gnu/bin/ -B/sandbox/stage1/x86_64-linux-gnu/lib/
-isystem /sandbox/stage1/x86_64-linux-gnu/include -isystem
/sandbox/stage1/x86_64-linux-gnu/sys-include -DHAVE_CONFIG_H -I.
-I/sandbox/gcc-git/libitm -I/sandbox/gcc-git/libitm/config/linux/x86
-I/sandbox/gcc-git/libitm/config/linux -I/sandbox/gcc-git/libitm/config/x86
-I/sandbox/gcc-git/libitm/config/posix -I/sandbox/gcc-git/libitm/config/generic
-I/sandbox/gcc-git/libitm -mrtm -Wall -pthread -Werror -std=gnu++0x
-funwind-tables -fno-exceptions -fno-rtti -fabi-version=4 -Os -Wno-error -g0
-D_GNU_SOURCE -c /sandbox/gcc-git/libitm/beginend.cc -fPIC -DPIC -o beginend.o
/sandbox/gcc-git/libitm/beginend.cc: In static member function 'static uint32_t
GTM::gtm_thread::begin_transaction(uint32_t, const gtm_jmpbuf*)':
/sandbox/gcc-git/libitm/beginend.cc:346:1: error: unable to generate reloads
for:
}
^
(jump_insn 43 42 44 8 (parallel [
(set (pc)
(if_then_else (ne (unspec [
(const_int 0 [0])
] UNSPEC_XBEGIN_ABORT)
(const_int 0 [0]))
(label_ref 44)
(pc)))
(set (reg:SI 116)
(unspec_volatile:SI [
(reg:SI 116)
] UNSPECV_XBEGIN))
]) /sandbox/stage1/gcc/gcc/include/rtmintrin.h:50 1024 {xbegin_1}
(nil)
-> 44)
/sandbox/gcc-git/libitm/beginend.cc:346:1: internal compiler error: in
curr_insn_transform, at lra-constraints.c:2754
