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由 Andreas Rheinhardt 提交于
The mpegaudio_tablegen header contains code to initialize several tables; it is included in both the fixed as well as the floating point mpegaudio decoders and some of these tables are only used by the fixed resp. floating point decoders; yet both types are always initialized, leaving the compiler to figure out that one of them is unused. GCC 9.3 fails at this (even with -O3): $ readelf -s mpegaudiodec_fixed.o|grep _float 28: 0000000000001660 32768 OBJECT LOCAL DEFAULT 4 expval_table_float An actually unused table (expval_table_fixed/float) of size 32KiB is kept and initialized (the reason for this is probably that this table is read from, namely to initialize another table: exp_table_fixed/float; of course the float resp. fixed tables are not used in the fixed resp. floating point decoder). Therefore #ifdef the unneeded tables away. Signed-off-by: NAndreas Rheinhardt <andreas.rheinhardt@gmail.com>
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