s390: TF Optimize 32-bit Mul/Div/Mod/Popcnt

src/s390/simulator-s390.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdarg.h>
 #include <stdlib.h>
 #include <cmath>
 
 #if V8_TARGET_ARCH_S390
 
@@ skipping 10349 matching lines @@
 
   r2_val = get_register(r2);
 
   int64_t mask = ~(1 << (63 - i));
   set_register(r1, i);
   set_register(r1 + 1, r2_val & mask);
   return length;
 }
 
 EVALUATE(LLGCR) {
-  UNIMPLEMENTED();
-  USE(instr);
-  return 0;
+  DCHECK_OPCODE(LLGCR);
+  DECODE_RRE_INSTRUCTION(r1, r2);
+  uint64_t r2_val = get_low_register<uint64_t>(r2);
+  r2_val <<= 56;
+  r2_val >>= 56;
+  set_register(r1, r2_val);
+  return length;
 }
 
 EVALUATE(LLGHR) {
   UNIMPLEMENTED();
   USE(instr);
   return 0;
 }
 
 EVALUATE(MLGR) {
   UNIMPLEMENTED();
@@ skipping 57 matching lines @@
   return 0;
 }
 
 EVALUATE(TROO) {
   UNIMPLEMENTED();
   USE(instr);
   return 0;
 }
 
 EVALUATE(LLCR) {
-  UNIMPLEMENTED();
-  USE(instr);
-  return 0;
+  DCHECK_OPCODE(LLCR);
+  DECODE_RRE_INSTRUCTION(r1, r2);
+  uint32_t r2_val = get_low_register<uint32_t>(r2);
+  r2_val <<= 24;
+  r2_val >>= 24;
+  set_low_register(r1, r2_val);
+  return length;
 }
 
 EVALUATE(LLHR) {
   UNIMPLEMENTED();
   USE(instr);
   return 0;
 }
 
 EVALUATE(MLR) {
   DCHECK_OPCODE(MLR);
@@ skipping 2344 matching lines @@
   return 0;
 }
 
 #undef EVALUATE
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // USE_SIMULATOR
 #endif  // V8_TARGET_ARCH_S390