Go: Return 'ok' status instead of 'err' status

Also clean up imports.

1 files changed, 4 insertions, 9 deletions

diff --git a/parse-opcodes b/parse-opcodes
index 75351c5..3330646 100755
--- a/parse-opcodes
+++ b/parse-opcodes
@@ -780,18 +780,14 @@ def print_go_insn(name):
   funct3 = yank(m, 12, 3)
   csr = yank(m, 20, 12)
   funct7 = yank(m, 25, 7)
-  print '\t\treturn &inst{0x%x, 0x%x, %d, 0x%x}, false' % (opcode, funct3, signed(csr, 12), funct7)
+  print '\t\treturn &inst{0x%x, 0x%x, %d, 0x%x}, true' % (opcode, funct3, signed(csr, 12), funct7)
 
 def make_go():
   print '// Automatically generated by parse-opcodes'
   print
   print 'package riscv'
   print
-  print 'import ('
-  print '\t"log"'
-  print
-  print '\t"cmd/internal/obj"'
-  print ')'
+  print 'import "cmd/internal/obj"'
   print
   print 'type inst struct {'
   print '\topcode uint32'
@@ -800,13 +796,12 @@ def make_go():
   print '\tfunct7 uint32'
   print '}'
   print
-  print 'func encode(a obj.As) (i *inst, err bool) {'
+  print 'func encode(a obj.As) (i *inst, ok bool) {'
   print '\tswitch a {'
   for name in namelist:
     print_go_insn(name)
   print '\t}'
-  print '\tlog.Fatalf("opcode: missing %v (bug in parse-opcodes)", a)'
-  print '\treturn nil, true'
+  print '\treturn nil, false'
   print '}'
 
 for line in sys.stdin: