[BRIGFE] Fix handling of NOPs.

From-SVN: r259958

gcc/brig/ChangeLog

 2018-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
 
+	* brig/brigfrontend/brig-basic-inst-handler.cc:  Fix handling of NOPs.
+
+2018-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
+
 	Add flag -fassume-phsa that is on by default. If -fno-assume-phsa
 	is given, these optimizations are disabled.  With this flag, gccbrig
 	can generate GENERIC that assumes we are targeting a phsa-runtime

gcc/brig/brigfrontend/brig-basic-inst-handler.cc

@@ -447,6 +447,8 @@ size_t
 brig_basic_inst_handler::operator () (const BrigBase *base)
 {
   const BrigInstBase *brig_inst = (const BrigInstBase *) base;
+  if (brig_inst->opcode == BRIG_OPCODE_NOP)
+    return base->byteCount;
 
   tree_stl_vec operands = build_operands (*brig_inst);
 
@@ -466,9 +468,7 @@ brig_basic_inst_handler::operator () (const BrigBase *base)
 
   BrigType16_t brig_inst_type = brig_inst->type;
 
-  if (brig_inst->opcode == BRIG_OPCODE_NOP)
-    return base->byteCount;
-  else if (brig_inst->opcode == BRIG_OPCODE_FIRSTBIT
+  if (brig_inst->opcode == BRIG_OPCODE_FIRSTBIT
       || brig_inst->opcode == BRIG_OPCODE_LASTBIT
       || brig_inst->opcode == BRIG_OPCODE_SAD)
     /* These instructions are reported to be always 32b in HSAIL, but we want