https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65249
Bug ID: 65249
Summary: unable to find a register to spill in class 'R0_REGS'
when compiling protobuf on sh4
Product: gcc
Version: 4.9.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: glaubitz at physik dot fu-berlin.de
Target: sh*-*-*
Hello!
Here's another package that previously successfully built on Debian sh4 and now
fails with an apparent compiler error:
/bin/bash ../libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I..
-D_FORTIFY_SOURCE=2 -pthread -Wall -Wwrite-strings -Woverloaded-virtual
-Wno-sign-compare -g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -c -o google/protobuf/descriptor.pb.lo
google/protobuf/descriptor.pb.cc
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I.. -D_FORTIFY_SOURCE=2 -pthread
-Wall -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare -g -O2
-fstack-protector-strong -Wformat -Werror=format-security -c
google/protobuf/descriptor.pb.cc -fPIC -DPIC -o
google/protobuf/.libs/descriptor.pb.o
google/protobuf/descriptor.pb.cc: In member function 'virtual
google::protobuf::Metadata
google::protobuf::OneofDescriptorProto::GetMetadata() const':
google/protobuf/descriptor.pb.cc:3448:1: error: unable to find a register to
spill in class 'R0_REGS'
}
^
google/protobuf/descriptor.pb.cc:3448:1: error: this is the insn:
(insn 102 127 85 7 (set (reg:SI 1 r1 [+4 ])
(mem/f/c:SI (plus:SI (reg/f:SI 1 r1 [197])
(reg:SI 12 r12)) [5 OneofDescriptorProto_reflection_+0 S4
A32])) google/protobuf/descriptor.pb.cc:3448 257 {movsi_ie}
(expr_list:REG_DEAD (reg/f:SI 1 r1 [197])
(nil)))
google/protobuf/descriptor.pb.cc:3448: confused by earlier errors, bailing out
Preprocessed source stored into /tmp/ccdkVmsq.out file, please attach this to
your bugreport.
Build log here [1], precompiled source attached.
Cheers,
Adrian
> [1]
> http://buildd.debian-ports.org/status/fetch.php?pkg=protobuf&arch=sh4&ver=2.6.1-1&stamp=1425065627
