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Microblaze is an FPGA soft core that can be configured various ways. If it is configured without a multiplier, the standard __hash_32() will require a call to __mulsi3, which is a slow software loop. Instead, use a shift-and-add sequence for the constant multiply. GCC knows how to do this, but it's not as clever as some. Signed-off-by: George Spelvin <linux@sciencehorizons.net> Cc: Alistair Francis <alistair.francis@xilinx.com> Cc: Michal Simek <michal.simek@xilinx.com> |
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| include | ||
| kernel | ||
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| mm | ||
| oprofile | ||
| pci | ||
| Kconfig | ||
| Kconfig.debug | ||
| Kconfig.platform | ||
| Makefile | ||