git.libre-soc.org Git - microwatt.git/commit

author	Paul Mackerras <paulus@ozlabs.org>
	Tue, 19 Oct 2021 01:22:10 +0000 (12:22 +1100)
committer	Anton Blanchard <anton@ozlabs.org>
	Wed, 2 Feb 2022 05:10:54 +0000 (16:10 +1100)
commit	2491aa7fc5ea013d0f384d707f3df3902d9caa77
tree	b8c24cadfdcf22a4f32b1b9230289a5b0d7065f5	tree
parent	6ff3b2499ceaf911252f634d44469fefb58952ae	commit \| diff

core: Make popcnt* take two cycles

This moves the calculation of the result for popcnt* into the
countbits unit, renamed from countzero, so that we can take two cycles
to get the result. The motivation for this is that the popcnt*
calculation was showing up as a critical path.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

Makefile		diff \| blob \| history
countbits.vhdl	[new file with mode: 0644]	blob
countbits_tb.vhdl	[new file with mode: 0644]	blob
countzero.vhdl	[deleted file]	blob \| history
countzero_tb.vhdl	[deleted file]	blob \| history
decode2.vhdl		diff \| blob \| history
execute1.vhdl		diff \| blob \| history
logical.vhdl		diff \| blob \| history
microwatt.core		diff \| blob \| history

RSS Atom