Honored Contributor
Honored ContributorCan you post the code you used to generate the two muxes? The Mux2/Mux3 primitives do not exist in the tool. You will have to use two assign statements to generate the mux. I tried the same code as you've posted and got only 1 ALM usage.
Fitter Status Successful - Sat Jun 23 23:54:10 2018 Quartus Prime Version 18.0.0 Build 219 04/25/2018 SJ Pro Edition Revision Name test_alm Top-level Entity Name test_alm Family Arria 10 Device 10AX115H1F34I1SG Timing Models Final Logic utilization (in ALMs) 1 / 427,200 ( < 1 % ) Total registers 0 Total pins 8 / 618 ( 1 % ) Total virtual pins 0 Total block memory bits 0 / 55,562,240 ( 0 % ) Total RAM Blocks 0 / 2,713 ( 0 % ) Total DSP Blocks 0 / 1,518 ( 0 % ) Total HSSI RX channels 0 / 24 ( 0 % )
