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In case of DSP extension presence in HW some instructions
(related to integer multiply, multiply-accumulate, and divide
operation) executes on this DSP execution unit. So their
execution will depend on dsp configuration register (DSP_CTRL)
As we want these instructions to execute the same way regardless
of DSP presence we need to set DSP_CTRL properly.
NOTE:
we do the same adjustments in Linux kernel, see in kernel tree:
commit 4827d0cf744e ("ARC: handle DSP presence in HW")
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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| .. | ||
| arc-bcr.h | ||
| arcregs.h | ||
| bitops.h | ||
| byteorder.h | ||
| cache.h | ||
| config.h | ||
| dma-mapping.h | ||
| global_data.h | ||
| gpio.h | ||
| io.h | ||
| linkage.h | ||
| posix_types.h | ||
| processor.h | ||
| ptrace.h | ||
| sections.h | ||
| string.h | ||
| types.h | ||
| u-boot-arc.h | ||
| u-boot.h | ||
| unaligned.h | ||