From 039497169da8a9495e10d3765ea73ed157650926 Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@google.com>
Date: Mon, 22 Feb 2016 16:18:43 -0500
Subject: Go: Emit all instructions

Changes to the RISC-V Go implementation obviate the need for
GO_UNUSED_INSTRUCTIONS.
---
 parse-opcodes | 32 +-------------------------------
 1 file changed, 1 insertion(+), 31 deletions(-)

diff --git a/parse-opcodes b/parse-opcodes
index f336999..a6e0c87 100755
--- a/parse-opcodes
+++ b/parse-opcodes
@@ -4,35 +4,6 @@ import math
 import sys
 import tokenize
 
-# Instructions not used by the RISC-V Go port (and which should therefore not be
-# emitted).
-GO_UNUSED_INSTRUCTIONS = set((
-    'addiw',
-    'csrrc',
-    'csrrci',
-    'csrrs',
-    'csrrsi',
-    'csrrw',
-    'csrrwi',
-    'ebreak',
-    'ecall',
-    'eret',
-    'fcvt.d.s',
-    'fcvt.s.d',
-    'fsgnjx.d',
-    'fsgnjx.s',
-    'hrts',
-    'lw',
-    'mrth',
-    'mrts',
-    'sfence.vm',
-    'slli.rv32',
-    'srai.rv32',
-    'sret',
-    'srli.rv32',
-    'wfi',
-))
-
 namelist = []
 match = {}
 mask = {}
@@ -822,8 +793,7 @@ def make_go():
   print 'func encode(a int16) *inst {'
   print '\tswitch a {'
   for name in namelist:
-    if name not in GO_UNUSED_INSTRUCTIONS:
-      print_go_insn(name)
+    print_go_insn(name)
   print '\t}'
   print '\tlog.Fatalf("opcode: missing %v (bug in parse-opcodes)", a)'
   print '\treturn nil'
-- 
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