Hi Leonid,
You do indeed have a compiler bug here!
We now have a fix for it, and the Linaro GCC sources should be updated in the next few days.
If you don't want to wait for that, you can find the patch here: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45805
Apologies for the inconvenience.
Andrew
On 19/10/10 10:51, leonid.moiseichuk@nokia.com wrote:
Hello,
Sorry I cannot find a bugzilla. One issue detected during compilation of ffmpeg, it looks like
gcc -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I. -I"/home/ldm/misc/tc/suite/cases/ffmpeg/ffmpeg" -O3 -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -std=c99 -fomit-frame-pointer -Wdeclaration-after-statement -Wall -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wno-pointer-sign -Wcast-qual -Wwrite-strings -Wtype-limits -Wundef -fno-math-errno -fno-signed-zeros -c -o libavcodec/dsputil.o libavcodec/dsputil.c
/tmp/ccK6jdSP.s: Assembler messages:
/tmp/ccK6jdSP.s:34764: Error: VFP/Neon double precision register expected -- `vmovl.s16 q3,s12'
/tmp/ccK6jdSP.s:34781: Error: VFP/Neon double precision register expected -- `vmovl.s16 q2,s8'
/tmp/ccK6jdSP.s:34798: Error: VFP/Neon double precision register expected -- `vmovl.s16 q1,s4'
/tmp/ccK6jdSP.s:34800: Error: VFP/Neon double precision register expected -- `vmovl.s16 q0,s0'
/tmp/ccK6jdSP.s:34820: Error: VFP/Neon double precision register expected -- `vmovl.s16 q8,s8'
The sources, assembler and test case are attached.
With best wishes,
Leonid
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