FENCE has a field called FM in bits 31:28

zhanggd · Aug 6, 2018 · 7dd3b0e · 7dd3b0e
1 parent 3aa3206
commit 7dd3b0e
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/opcodes b/opcodes
@@ -66,7 +66,7 @@ sh     imm12hi rs1 rs2 imm12lo 14..12=1 6..2=0x08 1..0=3
 sw     imm12hi rs1 rs2 imm12lo 14..12=2 6..2=0x08 1..0=3
 sd     imm12hi rs1 rs2 imm12lo 14..12=3 6..2=0x08 1..0=3
 
-fence       31..28=ignore pred succ     19..15=ignore 14..12=0 11..7=ignore 6..2=0x03 1..0=3
+fence       fm            pred succ     19..15=ignore 14..12=0 11..7=ignore 6..2=0x03 1..0=3
 fence.i     31..28=ignore 27..20=ignore 19..15=ignore 14..12=1 11..7=ignore 6..2=0x03 1..0=3
 
 # RV32M

diff --git a/parse-opcodes b/parse-opcodes
@@ -16,6 +16,7 @@ arglut['rs1'] = (19,15)
 arglut['rs2'] = (24,20)
 arglut['rs3'] = (31,27)
 arglut['aqrl'] = (26,25)
+arglut['fm'] = (31,28)
 arglut['pred'] = (27,24)
 arglut['succ'] = (23,20)
 arglut['rm'] = (14,12)
@@ -574,7 +575,7 @@ def print_fence_type(name,match,arguments):
 \\cline{2-11}
   """ % \
   ( \
-    binary(yank(match,28,4),4), \
+    str_arg('fm','fm',match,arguments), \
     str_arg('pred','pred',match,arguments), \
     str_arg('succ','',match,arguments), \
     str_arg('rs1','',match,arguments), \