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configure: loongson disable mipsfpu and mipsdsp optimizations 

The optimizations of mipsdsp are not supported by all loongson cpu.
The optimizations of mipsfpu and mipsdspr2 maybe supported by 3A2000/3A3000/3A4000 but not tested yet.
Loongson only support mmi (loongSIMD) optimizations now.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Zhou Xiaoyong 2016-10-10 16:07:20 +08:00 committed by Michael Niedermayer
parent 9b462a0b9d
commit 50eee357eb
1 changed files with 3 additions and 0 deletions
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@ -4380,6 +4380,9 @@ elif enabled mips; then
enable fast_cmov
enable fast_unaligned
disable aligned_stack
disable mipsfpu
disable mipsdsp
disable mipsdspr2
case $cpu in
loongson3*)
cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"