From: Mateusz Holenko <mholenko@antmicro.com>
Date: Fri, 10 Jul 2020 09:03:35 +0000 (+0200)
Subject: mor1kx: Do not generate the ror instruction
X-Git-Tag: 24jan2021_ls180~87^2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b8d900862c3ba6607aa055f1d96a3fc21965f1eb;p=litex.git

mor1kx: Do not generate the ror instruction

The mor1kx core does not support `l.ror` instruction
by default, but gcc/clang flags allowed the
compiler to generate it.
---

diff --git a/litex/soc/cores/cpu/mor1kx/core.py b/litex/soc/cores/cpu/mor1kx/core.py
index 51068766..5ab61b4c 100644
--- a/litex/soc/cores/cpu/mor1kx/core.py
+++ b/litex/soc/cores/cpu/mor1kx/core.py
@@ -47,7 +47,6 @@ class MOR1KX(CPU):
     def gcc_flags(self):
         flags =  "-mhard-mul "
         flags += "-mhard-div "
-        flags += "-mror "
         flags += "-D__mor1kx__ "
         return flags
 
@@ -55,7 +54,6 @@ class MOR1KX(CPU):
     def clang_flags(self):
         flags =  "-mhard-mul "
         flags += "-mhard-div "
-        flags += "-mror "
         flags += "-mffl1 "
         flags += "-maddc "
         flags += "-D__mor1kx__ "