list of instructions to avoid parallelising

diff --git a/id_regs.py b/id_regs.py
index e897d63944df3d8eb7debc4daf06e2c2107674f8..b705ec7210e6c71969ef79eeb1331666c8162de3 100644 (file)
--- a/id_regs.py
+++ b/id_regs.py
@@ -55,9 +55,11 @@ allints = intpatterns + cintpatterns[2:]
 skip = '#define USING_NOREGS\n' \
        '#define REGS_PATTERN 0x0\n'
 def find_registers(fname):
-    # HACK! macro-skipping csr* instructions too painful
-    if 'csr' in fname or 'lui' in fname:
-        return skip
+    # HACK! macro-skipping of instructions too painful
+    for notparallel in ['csr', 'lui', 'c_j', 'wfi', 'auipc',
+                        'dret', 'uret', 'mret', 'sret']:
+        if notparallel in fname:
+            return skip
     res = []
     isintfloat = 0x0 + floatmask << len(allints)
     with open(fname) as f: