#2823: Building ffmpeg failed
-------------------------------------+-------------------------------------
Reporter: pradeepvr | Owner:
Type: defect | Status: new
Priority: critical | Component:
Version: git-master | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by redxii):
I get a similar error in MinGW-w64 '''32-bit''' toolchain, the 64-bit
toolchain doesn't produce an error.
{{{
CC libavcodec/binkaudio.o
CC libavcodec/binkdsp.o
CC libavcodec/bintext.o
CC libavcodec/bitstream.o
libavcodec/bitstream.c: In function 'ff_init_vlc_sparse':
libavcodec/bitstream.c:348:1: error: unable to find a register to spill in
class 'AREG'
libavcodec/bitstream.c:348:1: error: this is the insn:
(insn 600 599 601 93 (parallel [
(set (reg:SI 1 dx [orig:259 D.8365 ] [259])
(mem/v:SI (plus:SI (reg/v/f:SI 262 [ vlc ])
(const_int 16 [0x10])) [-1 S4 A32]))
(set (mem/v:SI (plus:SI (reg/v/f:SI 262 [ vlc ])
(const_int 16 [0x10])) [-1 S4 A32])
(unspec_volatile:SI [
(mem/v:SI (plus:SI (reg/v/f:SI 262 [ vlc ])
(const_int 16 [0x10])) [-1 S4 A32])
(reg/v/f:SI 262 [ vlc ])
(reg/f:SI 1 dx [357])
] UNSPECV_CMPXCHG))
(set (reg:CCZ 17 flags)
(compare:CCZ (unspec_volatile:SI [
(mem/v:SI (plus:SI (reg/v/f:SI 262 [ vlc ])
(const_int 16 [0x10])) [-1 S4 A32])
(reg/v/f:SI 262 [ vlc ])
(reg/f:SI 1 dx [357])
] UNSPECV_CMPXCHG)
(reg/v/f:SI 262 [ vlc ])))
]) ./libavutil/atomic_gcc.h:57 1843 {*sync_compare_and_swapsi}
(expr_list:REG_DEAD (reg/f:SI 1 dx [357])
(expr_list:REG_UNUSED (reg:CCZ 17 flags)
(nil))))
libavcodec/bitstream.c:348: confused by earlier errors, bailing out
make: *** [libavcodec/bitstream.o] Error 1
}}}
GCC -v
{{{
$ gcc -v
Reading specs from
e:/buildsys/mingw/bin/../lib/gcc/i686-w64-mingw32/4.6.3/specs
COLLECT_GCC=E:\Buildsys\MinGW\bin\gcc.exe
COLLECT_LTO_WRAPPER=e:/buildsys/mingw/bin/../libexec/gcc/i686-w64-mingw32/4.6.3
/lto-wrapper.exe
Target: i686-w64-mingw32
Configured with: /home/ruben/mingw-w64/src/gcc/configure
--host=i686-w64-mingw32 --build=x86_64-linux-gnu --target=i686-w64-mingw32
--with-sysroot=/home/ruben/m
ingw-w64/mingw32mingw32/mingw32
--prefix=/home/ruben/mingw-w64/mingw32mingw32/mingw32 --with-
gmp=/home/ruben/mingw-w64/prereq/i686-w64-mingw32/install --with-mp
fr=/home/ruben/mingw-w64/prereq/i686-w64-mingw32/install --with-
mpc=/home/ruben/mingw-w64/prereq/i686-w64-mingw32/install --with-
ppl=/home/ruben/mingw-w64/prere
q/i686-w64-mingw32/install --with-
cloog=/home/ruben/mingw-w64/prereq/i686-w64-mingw32/install --disable-ppl-
version-check --disable-cloog-version-check --enable
-cloog-backend=isl --with-host-libstdcxx='-static -lstdc++ -lm' --enable-
shared --enable-static --enable-threads=win32 --enable-plugins --disable-
multilib --ena
ble-languages=c,lto,c++,objc,obj-c++,fortran,java --enable-libgomp
--disable-dw2-exceptions --enable-sjlj-exceptions --enable-fully-dynamic-
string --enable-libs
tdcxx-time --disable-nls --disable-werror --enable-checking=release
--with-gnu-as --with-gnu-ld --disable-win32-registry --disable-rpath
--disable-werror --with
-libiconv-prefix=/home/ruben/mingw-w64/prereq/i686-w64-mingw32/install
--with-pkgversion=rubenvb-4.6.3-2-release --with-
bugurl=mingw-w64-public@lists.sourceforg
e.net CC= CFLAGS='-O2 -march=nocona -mtune=core2 -fomit-frame-pointer
-momit-leaf-frame-pointer' LDFLAGS=' -Wl,--large-address-aware'
Thread model: win32
gcc version 4.6.3 (rubenvb-4.6.3-2-release)
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2823#comment:3>
FFmpeg <http://ffmpeg.org>
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