Hi folks,
I am trying to use arm gcc 5.3 to build part of android AOSP and hit
following issue with arm gcc 5.3:

The gcc cmd line is like:
/opt/work/acadine/mem_shrink/B2G-v2.5/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-5.3-linaro/bin/arm-linux-androideabi-g++ -I external/libcxx/include -I system/core/libbacktrace -I out/target/product/linaro_arm/obj/SHARED_LIBRARIES/libbacktrace_intermediates -I out/target/product/linaro_arm/gen/SHARED_LIBRARIES/libbacktrace_intermediates -I libnativehelper/include/nativehelper -I system/core/base/include -I external/libunwind/include -isystem system/core/include -isystem system/media/audio/include -isystem hardware/libhardware/include -isystem hardware/libhardware_legacy/include -isystem hardware/ril/include -isystem libnativehelper/include -isystem frameworks/native/include -isystem frameworks/native/opengl/include -isystem frameworks/av/include -isystem frameworks/base/include -isystem out/target/product/linaro_arm/obj/include -isystem bionic/libc/arch-arm/include -isystem bionic/libc/include -isystem bionic/libc/kernel/uapi -isystem bionic/libc/kernel/uapi/asm-arm -isystem bionic/libm/include -isystem bionic/libm/include/arm -c -fno-exceptions -Wno-multichar -msoft-float -ffunction-sections -fdata-sections -funwind-tables -fstack-protector -Wa,--noexecstack -Werror=format-security -D_FORTIFY_SOURCE=2 -fno-short-enums -no-canonical-prefixes -fno-canonical-system-headers -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -include build/core/combo/include/arch/linux-arm/AndroidConfig.h -I build/core/combo/include/arch/linux-arm/ -Wno-psabi -mthumb-interwork -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -DNDEBUG -g -Wstrict-aliasing=2 -fgcse-after-reload -frerun-cse-after-loop -frename-registers -DNDEBUG -UDEBUG -fvisibility-inlines-hidden -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith -Wsign-promo -std=gnu++11 -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -DNDEBUG -UDEBUG -mthumb -Os -fomit-frame-pointer -fno-strict-aliasing -fno-rtti -Wall -Werror -fPIC -D_USING_LIBCXX -std=gnu++11 -Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -MD -MF out/target/product/linaro_arm/obj/SHARED_LIBRARIES/libbacktrace_intermediates/UnwindCurrent.d -o out/target/product/linaro_arm/obj/SHARED_LIBRARIES/libbacktrace_intermediates/UnwindCurrent.o system/core/libbacktrace/UnwindCurrent.cpp

And I got error:
/tmp/ccZ40ViQ.s: Assembler messages:
/tmp/ccZ40ViQ.s:1752: Error: selected processor does not support ARM mode `cbnz r6,.L91' /tmp/ccZ40ViQ.s:1758: Error: selected processor does not support ARM mode `cbnz r0,.L92' /tmp/ccZ40ViQ.s:1763: Error: selected processor does not support ARM mode `cbz r1,.L107' /tmp/ccZ40ViQ.s:1941: Error: selected processor does not support ARM mode `cbz r6,.L100'

But if I use the arm gcc 4.9, there is no any build issue.

the "-dumpspecs" output of gcc 5.3 was attached. Thanks.


Regards
Yin, Fengwei
*asm:
%{mbig-endian:-EB} %{mlittle-endian:-EL} %(asm_cpu_spec) %{mapcs-*:-mapcs-%*} 
%(subtarget_asm_float_spec) %{mthumb-interwork:-mthumb-interwork} 
%{mfloat-abi=*} %{mfpu=*} %(subtarget_extra_asm_spec)

*asm_debug:
%{!g0:%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}} 
%{fdebug-prefix-map=*:--debug-prefix-map %*}

*asm_final:
%{gsplit-dwarf: 
       objcopy --extract-dwo     %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O}      
%{c:%{o*:%:replace-extension(%{o*:%*} .dwo)}%{!o*:%b.dwo}}%{!c:%b.dwo} 
       objcopy --strip-dwo       %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O}     }

*asm_options:
%{-target-help:%:print-asm-header()} %{v} %{w:-W} %{I*}  
%{gz|gz=zlib-gnu:--compress-debug-sections} 
%{gz=none:--nocompress-debug-sections} %{gz=zlib:%e-gz=zlib is not supported in 
this configuration} %a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}

*invoke_as:
%{!fwpa*:   %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}  
 %{!S:-o %|.s |
 as %(asm_options) %m.s %A }  }

*cpp:
%(subtarget_cpp_spec)                                   
%{mfloat-abi=soft:%{mfloat-abi=hard:                                            
%e-mfloat-abi=soft and -mfloat-abi=hard may not be used together}} 
%{mbig-endian:%{mlittle-endian:                                                 
     %e-mbig-endian and -mlittle-endian may not be used together}}

*cpp_options:
%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w} 
%{f*} %{g*:%{!g0:%{g*} %{!fno-working-directory:-fworking-directory}}} %{O*} 
%{undef} %{save-temps*:-fpch-preprocess}

*cpp_debug_options:
%{d*}

*cpp_unique_options:
%{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I %{MD:-MD 
%{!o:%b.d}%{o*:%.d%*}} %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}} %{M} %{MM} %{MF*} 
%{MG} %{MP} %{MQ*} %{MT*} %{!E:%{!M:%{!MM:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ 
%*}}}}}}} %{remap} %{g3|ggdb3|gstabs3|gcoff3|gxcoff3|gvms3:-dD} 
%{!iplugindir*:%{fplugin*:%:find-plugindir()}} %{H} %C %{D*&U*&A*} %{i*} %Z %i 
%{E|M|MM:%W{o*}}

*trad_capable_cpp:
cc1 -E %{traditional|traditional-cpp:-traditional-cpp}

*cc1:
%{mno-android|tno-android-cc:%{profile:-p} 
%{%:sanitize(address):-funwind-tables};:%{profile:-p} 
%{%:sanitize(address):-funwind-tables} %{!mglibc:%{!muclibc:%{!mbionic: 
-mbionic}}} %{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC: -fpic}}}}}

*cc1_options:
%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}} 
%{!iplugindir*:%{fplugin*:%:find-plugindir()}} %1 %{!Q:-quiet} 
%{!dumpbase:-dumpbase %B} %{d*} %{m*} %{aux-info*} 
%{fcompare-debug-second:%:compare-debug-auxbase-opt(%b)}  
%{!fcompare-debug-second:%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase 
%b}}}%{!c:%{!S:-auxbase %b}}  %{g*} %{O*} %{W*&pedantic*} %{w} 
%{std*&ansi&trigraphs} %{v:-version} %{pg:-p} %{p} %{f*} %{undef} 
%{Qn:-fno-ident} %{Qy:} %{-help:--help} %{-target-help:--target-help} 
%{-version:--version} %{-help=*:--help=%*} %{!fsyntax-only:%{S:%W{o*}%{!o*:-o 
%b.s}}} %{fsyntax-only:-o %j} %{-param*} %{coverage:-fprofile-arcs 
-ftest-coverage}

*cc1plus:
%{mno-android|tno-android-cc:;:%{!fexceptions:%{!fno-exceptions: 
-fno-exceptions}} %{!frtti:%{!fno-rtti: -fno-rtti}}}

*link_gcc_c_sequence:
%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}

*link_ssp:
%{fstack-protector|fstack-protector-all|fstack-protector-strong|fstack-protector-explicit:}

*endfile:
%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} 
%{mno-android|tno-android-ld:%{fvtable-verify=none:%s;      
fvtable-verify=preinit:vtv_end_preinit.o%s;      
fvtable-verify=std:vtv_end.o%s}    %{shared|pie:crtendS.o%s;:crtend.o%s} 
crtn.o%s;:%{shared: crtend_so%O%s;: crtend_android%O%s}}

*link:
--eh-frame-hdr  
%{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}
 %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5           |mcpu=cortex-a7         
                                |mcpu=cortex-a8|mcpu=cortex-a9|mcpu=cortex-a15  
        |mcpu=cortex-a12|mcpu=cortex-a17                      
|mcpu=cortex-a15.cortex-a7                              
|mcpu=cortex-a17.cortex-a7                              |mcpu=cortex-a53        
                                |mcpu=cortex-a57                                
        |mcpu=cortex-a57.cortex-a53                             
|mcpu=cortex-a72                                        
|mcpu=cortex-a72.cortex-a53                             |mcpu=exynos-m1         
                                |mcpu=qdf24xx                                   
        |mcpu=xgene1                                            
|mcpu=cortex-m1.small-multiply                          
|mcpu=cortex-m0.small-multiply                          
|mcpu=cortex-m0plus.small-multiply                      |mcpu=marvell-pj4       
                                |mcpu=generic-armv7-a                           
        |march=armv7ve                                          
|march=armv7-m|mcpu=cortex-m3                           
|march=armv7e-m|mcpu=cortex-m4|mcpu=cortex-m7           
|march=armv6-m|mcpu=cortex-m0                           |march=armv8-a          
                                
:%{!r:--be8}}}%{mno-android|tno-android-ld:%{h*}    %{static:-Bstatic}    
%{shared:-shared}    %{symbolic:-Bsymbolic}    %{!static:      
%{rdynamic:-export-dynamic}      %{!shared:-dynamic-linker 
%{mglibc:%{mfloat-abi=hard:/lib/ld-linux-armhf.so.3}     
%{mfloat-abi=soft*:/lib/ld-linux.so.3}     
%{!mfloat-abi=*:/lib/ld-linux.so.3};:%{muclibc:/lib/ld-uClibc.so.0;:%{mmusl:/lib/ld-musl-arm%{mbig-endian:eb}%{mfloat-abi=hard:hf}.so.1;:/system/bin/linker}}}}}
    -X    %{mbig-endian:-EB} %{mlittle-endian:-EL} -m armelf_linux_eabi;:%{h*}  
  %{static:-Bstatic}    %{shared:-shared}    %{symbolic:-Bsymbolic}    
%{!static:      %{rdynamic:-export-dynamic}      %{!shared:-dynamic-linker 
%{mglibc:%{mfloat-abi=hard:/lib/ld-linux-armhf.so.3}     
%{mfloat-abi=soft*:/lib/ld-linux.so.3}     
%{!mfloat-abi=*:/lib/ld-linux.so.3};:%{muclibc:/lib/ld-uClibc.so.0;:%{mmusl:/lib/ld-musl-arm%{mbig-endian:eb}%{mfloat-abi=hard:hf}.so.1;:/system/bin/linker}}}}}
    -X    %{mbig-endian:-EB} %{mlittle-endian:-EL} -m armelf_linux_eabi 
%{shared: -Bsymbolic}}

*lib:
%{mno-android|tno-android-ld:%{pthread:-lpthread} %{shared:-lc}    
%{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}};:%{shared:-lc}    
%{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}} %{!static: -ldl}  
 %{pthread: -lc}}

*link_gomp:


*libgcc:
-lgcc

*startfile:
%{mno-android|tno-android-ld:%{!shared: 
%{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}    crti.o%s 
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}    
%{fvtable-verify=none:%s;      fvtable-verify=preinit:vtv_start_preinit.o%s;    
  fvtable-verify=std:vtv_start.o%s};:%{shared: crtbegin_so%O%s;:  %{static: 
crtbegin_static%O%s;: crtbegin_dynamic%O%s}}}

*cross_compile:
1

*version:
5.3.1

*multilib:
. ;

*multilib_defaults:


*multilib_extra:


*multilib_matches:


*multilib_exclusions:


*multilib_options:


*multilib_reuse:


*linker:
collect2

*linker_plugin_file:


*lto_wrapper:


*lto_gcc:


*link_libgcc:
%D

*md_exec_prefix:


*md_startfile_prefix:


*md_startfile_prefix_1:


*startfile_prefix_spec:


*sysroot_spec:
--sysroot=%R

*sysroot_suffix_spec:


*sysroot_hdrs_suffix_spec:


*self_spec:


*subtarget_cpp_spec:
%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}

*asm_cpu_spec:
 %{mcpu=generic-*:-march=%*;   :%{march=*:-march=%*}} 
%{mcpu=*:-mcpu=%:rewrite_mcpu(%{mcpu=*:%*})}

*subtarget_extra_asm_spec:
%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5} 
%{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}

*subtarget_asm_float_spec:
%{mapcs-float:-mfloat}

*link_command:
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:    %(linker) 
%{!fno-use-linker-plugin:%{!fno-lto:     -plugin %(linker_plugin_file)     
-plugin-opt=%(lto_wrapper)     -plugin-opt=-fresolution=%u.res     
%{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}}     
}}%{flto|flto=*:%<fcompare-debug*}     %{flto} %{fno-lto} %{flto=*} %l 
%{pie:-pie} %{fuse-ld=*:-fuse-ld=%*}  
%{gz|gz=zlib-gnu:--compress-debug-sections=zlib} 
%{gz=none:--compress-debug-sections=none} %{gz=zlib:%e-gz=zlib is not supported 
in this configuration} %X %{o*} %{e*} %{N} %{n} %{r}    %{s} %{t} %{u*} %{z} 
%{Z} %{!nostdlib:%{!nostartfiles:%S}} %{!nostdlib:%{fvtable-verify=std: -lvtv 
-u_vtable_map_vars_start -u_vtable_map_vars_end}    %{fvtable-verify=preinit: 
-lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}}     %{static:} %{L*} 
%(mfwrap) %(link_libgcc) 
%{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):%{!shared:libasan_preinit%O%s}
 %{static-libasan:%{!shared:-Bstatic --whole-archive -lasan --no-whole-archive 
-Bdynamic}}%{!static-libasan:-lasan}}     
%{%:sanitize(thread):%{static-libtsan:%{!shared:-Bstatic --whole-archive -ltsan 
--no-whole-archive -Bdynamic}}%{!static-libtsan:-ltsan}}     
%{%:sanitize(leak):%{static-liblsan:%{!shared:-Bstatic --whole-archive -llsan 
--no-whole-archive -Bdynamic}}%{!static-liblsan:-llsan}}}} %o         
%{fopenacc|fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}
    %{fcilkplus:%:include(libcilkrts.spec)%(link_cilkrts)}    
%{fgnu-tm:%:include(libitm.spec)%(link_itm)}    %(mflib)  %{fsplit-stack: 
--wrap=pthread_create}    %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} 
%{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address): 
%{static-libasan:%:include(libsanitizer.spec)%(link_libasan)}    
%{static:%ecannot specify -static with -fsanitize=address}}    
%{%:sanitize(thread): 
%{static-libtsan:%:include(libsanitizer.spec)%(link_libtsan)}    
%{static:%ecannot specify -static with -fsanitize=thread}}    
%{%:sanitize(undefined):%{static-libubsan:-Bstatic} -lubsan 
%{static-libubsan:-Bdynamic} 
%{static-libubsan:%:include(libsanitizer.spec)%(link_libubsan)}}    
%{%:sanitize(leak): 
%{static-liblsan:%:include(libsanitizer.spec)%(link_liblsan)}}}}     
%{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}    
%{!nostdlib:%{!nostartfiles:%E}} %{T*} }}}}}}

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