[Libre-soc-bugs] [Bug 425] DIV overflow not being calculated correctly

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri Jul 10 10:53:00 BST 2020


https://bugs.libre-soc.org/show_bug.cgi?id=425

--- Comment #8 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #7)

> 
> and we get this output:
> 
> 32bit 0x1
> signed 0x1
> quotient_root 0xfc00000000000003
> div_by_zero 0x0
> dive_abs_ov32 0x0
> quotient_neg 0x1

that quotient_root is incorrect, assuming we're still using test case #6, check
the divpipecore inputs. alternatively, nmigen just currently has a simulator
bug which is also showing up as zero vcd values.

-- 
You are receiving this mail because:
You are on the CC list for the bug.


More information about the libre-soc-bugs mailing list