reassign 652205 flint thanks inline assembler needs fixes for thumb mode.
On 12/15/2011 02:53 PM, peter green wrote: > package: gcc-4.6 > severity: important > version: 1.011-2 > > flint FTBFS on armhf with the following errors > > gcc -fPIC -std=c99 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat > -Wformat-security -Werror=format-security -Wall -funroll-loops -I/usr/include > -I/usr/include/NTL -c ZmodF.c -o ZmodF.o > ZmodF.c: In function 'ZmodF_divby3': > ZmodF.c:556:18: warning: unused variable 'rem' [-Wunused-variable] > /tmp/ccqrATB5.s: Assembler messages: > /tmp/ccqrATB5.s:4619: Error: selected processor does not support Thumb mode > `rsc > ip,ip,ip' > make[1]: *** [ZmodF.o] Error 1 > make[1]: Leaving directory > `/build/buildd-flint_1.011-2-armhf-_anfYZ/flint-1.011' > make: *** [debian/stamp-makefile-build] Error 2 > > To try and find the issue I first tried to disable optimisation, doing so > changed the register names but left us with a very similar error. > > root@debian:/flint-1.011# gcc -fPIC -std=c99 -g -O0 -fstack-protector > --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security > -Wall -funroll-loops -I/usr/include -I/usr/include/NTL -c ZmodF.c -o ZmodF.o > ZmodF.c: In function 'ZmodF_divby3': > ZmodF.c:556:18: warning: unused variable 'rem' [-Wunused-variable] > /tmp/cc3zqlRw.s: Assembler messages: > /tmp/cc3zqlRw.s:1594: Error: selected processor does not support Thumb mode > `rsc > r4,r1,#0' > > when that failed I built a .s file with the following command. > > gcc -S -fPIC -std=c99 -g -O0 -fstack-protector --param=ssp-buffer-size=4 > -Wformat -Wformat-security -Werror=format-security -Wall -funroll-loops > -I/usr/include -I/usr/include/NTL ZmodF.c > > and tried to build it with as which resulted in > > root@debian:/flint-1.011# as ZmodF.s > ZmodF.s: Assembler messages: > ZmodF.s:1594: Error: selected processor does not support Thumb mode `rsc > r4,r1,#0' > root@debian:/flint-1.011# > > looking at ZmodF.s I see > > @ 242 "ZmodF.c" 1 > rsbs r2, r4, r0 > rsc r4, r1, #0 > @ 0 "" 2 > > looking at line 242 in ZmodF.c I see > > sub_ddmmss(Z, b[ss-1], 0, b[ss-1], 0, underflow); > > adding -marm to the cflags made the package build and when looking at the > source > file I didn't see any evidence of inline assembler so presumablly this is a c > compiler and/or binutils bug. I'm filing against the c compiler in the first > instance., please reassign to binutils if you think this is a problem in the > linker. If the bug in the toolchain cannot be dealt with in a timely manner I > will file a bug report against flint that makes the package build with -marm > on > armhf. > > > -- To UNSUBSCRIBE, email to debian-gcc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4eea0413.5080...@debian.org