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xilinx: use RAM32M/RAM64M for memories with two read ports

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This fixes inefficient LUT RAM usage for memories with one write
and two read ports (commonly used as register files).
This commit is contained in:
Marcin Kościelnicki 2020-02-02 11:26:00 +01:00 committed by Marcelina Kościelnicka
parent 00fba62711
commit b44d0e041f
1 changed files with 2 additions and 2 deletions
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4
techlibs/xilinx/lutrams.txt
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@ -153,7 +153,7 @@ endmatch
match $__XILINX_RAM32X2Q
min bits 5
min rports 3
min rports 2
min wports 1
make_outreg
or_next_if_better
@ -161,7 +161,7 @@ endmatch
match $__XILINX_RAM64X1Q
min bits 5
min rports 3
min rports 2
min wports 1
make_outreg
endmatch