Forum Discussion
Altera_Forum
Honored Contributor
Honored ContributorALTFP_MUL as custom instruction not reseting variable value.
Hello. I´m trying to do a simple float point multiplier for Nios E. My custom instruction is just ALTFP_MUL block with a top level with clk, clk_en, reset, and the two 32bits inputs and on...
Altera_ForumHonored Contributor
Honored ContributorSee "Multicycle Custom Instructions" in the manual: https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/ug/ug_nios2_custom_instruction.pdf
It sounds like your custom instruction isn't delaying for the ALTFP_MUL pipeline.
