< prev index next >

src/hotspot/cpu/s390/s390.ad

Print this page
rev 54763 : 8213084: Rework and enhance Print[Opto]Assembly output
Reviewed-by:

@@ -1,8 +1,8 @@
 //
-// Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
-// Copyright (c) 2017, SAP SE. All rights reserved.
+// Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+// Copyright (c) 2017, 2019 SAP SE. All rights reserved.
 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 //
 // This code is free software; you can redistribute it and/or modify it
 // under the terms of the GNU General Public License version 2 only, as
 // published by the Free Software Foundation.

@@ -1386,11 +1386,10 @@
     // ic_miss_stub to find the proper method.
     __ load_const_optimized(R1_ic_miss_stub_addr, icmiss);
     __ z_br(R1_ic_miss_stub_addr);
     __ bind(valid);
   }
-
 }
 
 uint MachUEPNode::size(PhaseRegAlloc *ra_) const {
   // Determine size dynamically.
   return MachNode::size(ra_);

@@ -4721,22 +4720,22 @@
 // Load narrow oop
 instruct loadN(iRegN dst, memory mem) %{
   match(Set dst (LoadN mem));
   ins_cost(MEMORY_REF_COST);
   size(Z_DISP3_SIZE);
-  format %{ "LoadN  $dst,$mem\t# (cOop)" %}
+  format %{ "LoadN   $dst,$mem\t # (cOop)" %}
   opcode(LLGF_ZOPC, LLGF_ZOPC);
   ins_encode(z_form_rt_mem_opt(dst, mem));
   ins_pipe(pipe_class_dummy);
 %}
 
 // Load narrow Klass Pointer
 instruct loadNKlass(iRegN dst, memory mem) %{
   match(Set dst (LoadNKlass mem));
   ins_cost(MEMORY_REF_COST);
   size(Z_DISP3_SIZE);
-  format %{ "LoadNKlass $dst,$mem\t# (klass cOop)" %}
+  format %{ "LoadNKlass $dst,$mem\t # (klass cOop)" %}
   opcode(LLGF_ZOPC, LLGF_ZOPC);
   ins_encode(z_form_rt_mem_opt(dst, mem));
   ins_pipe(pipe_class_dummy);
 %}
 

@@ -4785,22 +4784,22 @@
 instruct decodeLoadN(iRegP dst, memory mem) %{
   match(Set dst (DecodeN (LoadN mem)));
   predicate(false && (Universe::narrow_oop_base()==NULL)&&(Universe::narrow_oop_shift()==0));
   ins_cost(MEMORY_REF_COST);
   size(Z_DISP3_SIZE);
-  format %{ "DecodeLoadN  $dst,$mem\t# (cOop Load+Decode)" %}
+  format %{ "DecodeLoadN  $dst,$mem\t # (cOop Load+Decode)" %}
   opcode(LLGF_ZOPC, LLGF_ZOPC);
   ins_encode(z_form_rt_mem_opt(dst, mem));
   ins_pipe(pipe_class_dummy);
 %}
 
 instruct decodeLoadNKlass(iRegP dst, memory mem) %{
   match(Set dst (DecodeNKlass (LoadNKlass mem)));
   predicate(false && (Universe::narrow_klass_base()==NULL)&&(Universe::narrow_klass_shift()==0));
   ins_cost(MEMORY_REF_COST);
   size(Z_DISP3_SIZE);
-  format %{ "DecodeLoadNKlass  $dst,$mem\t# (load/decode NKlass)" %}
+  format %{ "DecodeLoadNKlass  $dst,$mem\t # (load/decode NKlass)" %}
   opcode(LLGF_ZOPC, LLGF_ZOPC);
   ins_encode(z_form_rt_mem_opt(dst, mem));
   ins_pipe(pipe_class_dummy);
 %}
 

@@ -4824,11 +4823,11 @@
   match(Set dst (DecodeN src));
   effect(KILL cr);
   predicate(Universe::narrow_oop_base() == NULL || !ExpandLoadingBaseDecode);
   ins_cost(MEMORY_REF_COST+3 * DEFAULT_COST + BRANCH_COST);
   // TODO: s390 port size(VARIABLE_SIZE);
-  format %{ "decodeN  $dst,$src\t# (decode cOop)" %}
+  format %{ "decodeN  $dst,$src\t # (decode cOop)" %}
   ins_encode %{  __ oop_decoder($dst$$Register, $src$$Register, true); %}
   ins_pipe(pipe_class_dummy);
 %}
 
 // General Klass decoder

@@ -4848,11 +4847,11 @@
   predicate((n->bottom_type()->make_ptr()->ptr() == TypePtr::NotNull ||
              n->bottom_type()->is_oopptr()->ptr() == TypePtr::Constant) &&
             (Universe::narrow_oop_base()== NULL || !ExpandLoadingBaseDecode_NN));
   ins_cost(MEMORY_REF_COST+2 * DEFAULT_COST);
   // TODO: s390 port size(VARIABLE_SIZE);
-  format %{ "decodeN  $dst,$src\t# (decode cOop NN)" %}
+  format %{ "decodeN  $dst,$src\t # (decode cOop NN)" %}
   ins_encode %{ __ oop_decoder($dst$$Register, $src$$Register, false); %}
   ins_pipe(pipe_class_dummy);
 %}
 
   instruct loadBase(iRegL dst, immL baseImm) %{

@@ -4871,11 +4870,11 @@
     // generate wrong code. Oop_decoder generates additional lgr when
     // dst==base.
     effect(KILL cr);
     predicate(false);
     // TODO: s390 port size(VARIABLE_SIZE);
-    format %{ "decodeN  $dst = ($src == 0) ? NULL : ($src << 3) + $base + pow2_offset\t# (decode cOop)" %}
+    format %{ "decodeN  $dst = ($src == 0) ? NULL : ($src << 3) + $base + pow2_offset\t # (decode cOop)" %}
     ins_encode %{
       __ oop_decoder($dst$$Register, $src$$Register, true, $base$$Register,
                      (jlong)MacroAssembler::get_oop_base_pow2_offset((uint64_t)(intptr_t)Universe::narrow_oop_base()));
     %}
     ins_pipe(pipe_class_dummy);

@@ -4885,11 +4884,11 @@
   instruct decodeN_NN_base(iRegP dst, iRegN src, iRegL base, flagsReg cr) %{
     match(Set dst (DecodeN src base));
     effect(KILL cr);
     predicate(false);
     // TODO: s390 port size(VARIABLE_SIZE);
-    format %{ "decodeN  $dst = ($src << 3) + $base + pow2_offset\t# (decode cOop)" %}
+    format %{ "decodeN  $dst = ($src << 3) + $base + pow2_offset\t # (decode cOop)" %}
     ins_encode %{
       __ oop_decoder($dst$$Register, $src$$Register, false, $base$$Register,
                      (jlong)MacroAssembler::get_oop_base_pow2_offset((uint64_t)(intptr_t)Universe::narrow_oop_base()));
     %}
     ins_pipe(pipe_class_dummy);

@@ -4935,11 +4934,11 @@
             (Universe::narrow_oop_base() == 0 ||
              Universe::narrow_oop_base_disjoint() ||
              !ExpandLoadingBaseEncode));
   ins_cost(MEMORY_REF_COST+3 * DEFAULT_COST);
   // TODO: s390 port size(VARIABLE_SIZE);
-  format %{ "encodeP  $dst,$src\t# (encode cOop)" %}
+  format %{ "encodeP  $dst,$src\t # (encode cOop)" %}
   ins_encode %{ __ oop_encoder($dst$$Register, $src$$Register, true, Z_R1_scratch, -1, all_outs_are_Stores(this)); %}
   ins_pipe(pipe_class_dummy);
 %}
 
 // General class encoder

@@ -4958,11 +4957,11 @@
             (Universe::narrow_oop_base() == 0 ||
              Universe::narrow_oop_base_disjoint() ||
              !ExpandLoadingBaseEncode_NN));
   ins_cost(MEMORY_REF_COST+3 * DEFAULT_COST);
   // TODO: s390 port size(VARIABLE_SIZE);
-  format %{ "encodeP  $dst,$src\t# (encode cOop)" %}
+  format %{ "encodeP  $dst,$src\t # (encode cOop)" %}
   ins_encode %{ __ oop_encoder($dst$$Register, $src$$Register, false, Z_R1_scratch, -1, all_outs_are_Stores(this)); %}
   ins_pipe(pipe_class_dummy);
 %}
 
   // Encoder for heapbased mode peeling off loading the base.

@@ -4970,11 +4969,11 @@
     match(Set dst (EncodeP src (Binary base dst)));
     effect(TEMP_DEF dst);
     predicate(false);
     ins_cost(MEMORY_REF_COST+2 * DEFAULT_COST);
     // TODO: s390 port size(VARIABLE_SIZE);
-    format %{ "encodeP  $dst = ($src>>3) +$base + pow2_offset\t# (encode cOop)" %}
+    format %{ "encodeP  $dst = ($src>>3) +$base + pow2_offset\t # (encode cOop)" %}
     ins_encode %{
       jlong offset = -(jlong)MacroAssembler::get_oop_base_pow2_offset
         (((uint64_t)(intptr_t)Universe::narrow_oop_base()) >> Universe::narrow_oop_shift());
       __ oop_encoder($dst$$Register, $src$$Register, true, $base$$Register, offset);
     %}

@@ -4986,11 +4985,11 @@
     match(Set dst (EncodeP src base));
     effect(USE pow2_offset);
     predicate(false);
     ins_cost(MEMORY_REF_COST+2 * DEFAULT_COST);
     // TODO: s390 port size(VARIABLE_SIZE);
-    format %{ "encodeP  $dst = ($src>>3) +$base + $pow2_offset\t# (encode cOop)" %}
+    format %{ "encodeP  $dst = ($src>>3) +$base + $pow2_offset\t # (encode cOop)" %}
     ins_encode %{ __ oop_encoder($dst$$Register, $src$$Register, false, $base$$Register, $pow2_offset$$constant); %}
     ins_pipe(pipe_class_dummy);
   %}
 
 // Encoder for heapbased mode peeling off loading the base.

@@ -5039,22 +5038,22 @@
 // Store Compressed Pointer
 instruct storeN(memory mem, iRegN_P2N src) %{
   match(Set mem (StoreN mem src));
   ins_cost(MEMORY_REF_COST);
   size(Z_DISP_SIZE);
-  format %{ "ST      $src,$mem\t# (cOop)" %}
+  format %{ "ST      $src,$mem\t # (cOop)" %}
   opcode(STY_ZOPC, ST_ZOPC);
   ins_encode(z_form_rt_mem_opt(src, mem));
   ins_pipe(pipe_class_dummy);
 %}
 
 // Store Compressed Klass pointer
 instruct storeNKlass(memory mem, iRegN src) %{
   match(Set mem (StoreNKlass mem src));
   ins_cost(MEMORY_REF_COST);
   size(Z_DISP_SIZE);
-  format %{ "ST      $src,$mem\t# (cKlass)" %}
+  format %{ "ST      $src,$mem\t # (cKlass)" %}
   opcode(STY_ZOPC, ST_ZOPC);
   ins_encode(z_form_rt_mem_opt(src, mem));
   ins_pipe(pipe_class_dummy);
 %}
 

@@ -5062,21 +5061,21 @@
 
 instruct compN_iRegN(iRegN_P2N src1, iRegN_P2N src2, flagsReg cr) %{
   match(Set cr (CmpN src1 src2));
   ins_cost(DEFAULT_COST);
   size(2);
-  format %{ "CLR     $src1,$src2\t# (cOop)" %}
+  format %{ "CLR     $src1,$src2\t # (cOop)" %}
   opcode(CLR_ZOPC);
   ins_encode(z_rrform(src1, src2));
   ins_pipe(pipe_class_dummy);
 %}
 
 instruct compN_iRegN_immN(iRegN_P2N src1, immN src2, flagsReg cr) %{
   match(Set cr (CmpN src1 src2));
   ins_cost(DEFAULT_COST);
   size(6);
-  format %{ "CLFI    $src1,$src2\t# (cOop) compare immediate narrow" %}
+  format %{ "CLFI    $src1,$src2\t # (cOop) compare immediate narrow" %}
   ins_encode %{
     AddressLiteral cOop = __ constant_oop_address((jobject)$src2$$constant);
     __ relocate(cOop.rspec(), 1);
     __ compare_immediate_narrow_oop($src1$$Register, (narrowOop)cOop.value());
   %}

@@ -5085,11 +5084,11 @@
 
 instruct compNKlass_iRegN_immN(iRegN src1, immNKlass src2, flagsReg cr) %{
   match(Set cr (CmpN src1 src2));
   ins_cost(DEFAULT_COST);
   size(6);
-  format %{ "CLFI    $src1,$src2\t# (NKlass) compare immediate narrow" %}
+  format %{ "CLFI    $src1,$src2\t # (NKlass) compare immediate narrow" %}
   ins_encode %{
     AddressLiteral NKlass = __ constant_metadata_address((Metadata*)$src2$$constant);
     __ relocate(NKlass.rspec(), 1);
     __ compare_immediate_narrow_klass($src1$$Register, (Klass*)NKlass.value());
   %}

@@ -5098,11 +5097,11 @@
 
 instruct compN_iRegN_immN0(iRegN_P2N src1, immN0 src2, flagsReg cr) %{
   match(Set cr (CmpN src1 src2));
   ins_cost(DEFAULT_COST);
   size(2);
-  format %{ "LTR     $src1,$src2\t# (cOop) LTR because comparing against zero" %}
+  format %{ "LTR     $src1,$src2\t # (cOop) LTR because comparing against zero" %}
   opcode(LTR_ZOPC);
   ins_encode(z_rrform(src1, src1));
   ins_pipe(pipe_class_dummy);
 %}
 

@@ -6793,11 +6792,11 @@
 instruct sllI_reg_reg(iRegI dst, iRegI src, iRegI nbits, flagsReg cr) %{
   match(Set dst (LShiftI src nbits));
   effect(KILL cr); // R1 is killed, too.
   ins_cost(3 * DEFAULT_COST);
   size(14);
-  format %{ "SLL     $dst,$src,[$nbits] & 31\t# use RISC-like SLLG also for int" %}
+  format %{ "SLL     $dst,$src,[$nbits] & 31\t # use RISC-like SLLG also for int" %}
   ins_encode %{
     __ z_lgr(Z_R1_scratch, $nbits$$Register);
     __ z_nill(Z_R1_scratch, BitsPerJavaInteger-1);
     __ z_sllg($dst$$Register, $src$$Register, 0, Z_R1_scratch);
   %}

@@ -6807,11 +6806,11 @@
 // Register Shift Left Immediate
 // Constant shift count is masked in ideal graph already.
 instruct sllI_reg_imm(iRegI dst, iRegI src, immI nbits) %{
   match(Set dst (LShiftI src nbits));
   size(6);
-  format %{ "SLL     $dst,$src,$nbits\t# use RISC-like SLLG also for int" %}
+  format %{ "SLL     $dst,$src,$nbits\t # use RISC-like SLLG also for int" %}
   ins_encode %{
     int Nbit = $nbits$$constant;
     assert((Nbit & (BitsPerJavaInteger - 1)) == Nbit, "Check shift mask in ideal graph");
     __ z_sllg($dst$$Register, $src$$Register, Nbit & (BitsPerJavaInteger - 1), Z_R0);
   %}

@@ -7123,22 +7122,22 @@
 %}
 
 instruct overflowNegI_rReg(flagsReg cr, immI_0 zero, iRegI op2) %{
   match(Set cr (OverflowSubI zero op2));
   effect(DEF cr, USE op2);
-  format %{ "NEG    $op2\t# overflow check int" %}
+  format %{ "NEG    $op2\t # overflow check int" %}
   ins_encode %{
     __ clear_reg(Z_R0_scratch, false, false);
     __ z_sr(Z_R0_scratch, $op2$$Register);
   %}
   ins_pipe(pipe_class_dummy);
 %}
 
 instruct overflowNegL_rReg(flagsReg cr, immL_0 zero, iRegL op2) %{
   match(Set cr (OverflowSubL zero op2));
   effect(DEF cr, USE op2);
-  format %{ "NEGG    $op2\t# overflow check long" %}
+  format %{ "NEGG    $op2\t # overflow check long" %}
   ins_encode %{
     __ clear_reg(Z_R0_scratch, true, false);
     __ z_sgr(Z_R0_scratch, $op2$$Register);
   %}
   ins_pipe(pipe_class_dummy);

@@ -9189,11 +9188,11 @@
   // Same match rule as `branchConFar'.
   match(If cmp cr);
   effect(USE lbl);
   ins_cost(BRANCH_COST);
   size(4);
-  format %{ "branch_con_short,$cmp   $cr, $lbl" %}
+  format %{ "branch_con_short,$cmp   $lbl" %}
   ins_encode(z_enc_branch_con_short(cmp, lbl));
   ins_pipe(pipe_class_dummy);
   // If set to 1 this indicates that the current instruction is a
   // short variant of a long branch. This avoids using this
   // instruction in first-pass matching. It will then only be used in

@@ -9211,11 +9210,11 @@
   match(If cmp cr);
   effect(USE cr, USE lbl);
   // Make more expensive to prefer compare_and_branch over separate instructions.
   ins_cost(2 * BRANCH_COST);
   size(6);
-  format %{ "branch_con_far,$cmp   $cr, $lbl" %}
+  format %{ "branch_con_far,$cmp   $lbl" %}
   ins_encode(z_enc_branch_con_far(cmp, lbl));
   ins_pipe(pipe_class_dummy);
   // This is not a short variant of a branch, but the long variant..
   ins_short_branch(0);
 %}

@@ -9780,11 +9779,11 @@
 // TailJump below removes the return address.
 instruct TailCalljmpInd(iRegP jump_target, inline_cache_regP method_oop) %{
   match(TailCall jump_target method_oop);
   ins_cost(CALL_COST);
   size(2);
-  format %{ "Jmp     $jump_target\t# $method_oop holds method oop" %}
+  format %{ "Jmp     $jump_target\t # $method_oop holds method oop" %}
   ins_encode %{ __ z_br($jump_target$$Register); %}
   ins_pipe(pipe_class_dummy);
 %}
 
 // Return Instruction

@@ -10788,22 +10787,22 @@
 instruct bytes_reverse_int(iRegI dst, iRegI src) %{
   match(Set dst (ReverseBytesI src));
   predicate(UseByteReverseInstruction);  // See Matcher::match_rule_supported
   ins_cost(DEFAULT_COST);
   size(4);
-  format %{ "LRVR    $dst,$src\t# byte reverse int" %}
+  format %{ "LRVR    $dst,$src\t # byte reverse int" %}
   opcode(LRVR_ZOPC);
   ins_encode(z_rreform(dst, src));
   ins_pipe(pipe_class_dummy);
 %}
 
 instruct bytes_reverse_long(iRegL dst, iRegL src) %{
   match(Set dst (ReverseBytesL src));
   predicate(UseByteReverseInstruction);  // See Matcher::match_rule_supported
   ins_cost(DEFAULT_COST);
   // TODO: s390 port size(FIXED_SIZE);
-  format %{ "LRVGR   $dst,$src\t# byte reverse long" %}
+  format %{ "LRVGR   $dst,$src\t # byte reverse long" %}
   opcode(LRVGR_ZOPC);
   ins_encode(z_rreform(dst, src));
   ins_pipe(pipe_class_dummy);
 %}
 

@@ -10819,12 +10818,12 @@
 instruct countLeadingZerosI(revenRegI dst, iRegI src, roddRegI tmp, flagsReg cr) %{
   match(Set dst (CountLeadingZerosI src));
   effect(KILL tmp, KILL cr);
   ins_cost(3 * DEFAULT_COST);
   size(14);
-  format %{ "SLLG    $dst,$src,32\t# no need to always count 32 zeroes first\n\t"
-            "IILH    $dst,0x8000 \t# insert \"stop bit\" to force result 32 for zero src.\n\t"
+  format %{ "SLLG    $dst,$src,32\t # no need to always count 32 zeroes first\n\t"
+            "IILH    $dst,0x8000 \t # insert \"stop bit\" to force result 32 for zero src.\n\t"
             "FLOGR   $dst,$dst"
          %}
   ins_encode %{
     // Performance experiments indicate that "FLOGR" is using some kind of
     // iteration to find the leftmost "1" bit.

@@ -10857,11 +10856,11 @@
 instruct countLeadingZerosL(revenRegI dst, iRegL src, roddRegI tmp, flagsReg cr) %{
   match(Set dst (CountLeadingZerosL src));
   effect(KILL tmp, KILL cr);
   ins_cost(DEFAULT_COST);
   size(4);
-  format %{ "FLOGR   $dst,$src \t# count leading zeros (long)\n\t" %}
+  format %{ "FLOGR   $dst,$src \t # count leading zeros (long)\n\t" %}
   ins_encode %{ __ z_flogr($dst$$Register, $src$$Register); %}
   ins_pipe(pipe_class_dummy);
 %}
 
 // trailing zeroes

@@ -10882,18 +10881,18 @@
 instruct countTrailingZerosI(revenRegI dst, iRegI src, roddRegI tmp, flagsReg cr) %{
   match(Set dst (CountTrailingZerosI src));
   effect(TEMP_DEF dst, TEMP tmp, KILL cr);
   ins_cost(8 * DEFAULT_COST);
   // TODO: s390 port size(FIXED_SIZE);  // Emitted code depends on PreferLAoverADD being on/off.
-  format %{ "LLGFR   $dst,$src  \t# clear upper 32 bits (we are dealing with int)\n\t"
-            "LCGFR   $tmp,$src  \t# load 2's complement (32->64 bit)\n\t"
-            "AGHI    $dst,-1    \t# tmp1 = src-1\n\t"
-            "AGHI    $tmp,-1    \t# tmp2 = -src-1 = ~src\n\t"
-            "NGR     $dst,$tmp  \t# tmp3 = tmp1&tmp2\n\t"
-            "FLOGR   $dst,$dst  \t# count trailing zeros (int)\n\t"
-            "AHI     $dst,-64   \t# tmp4 = 64-(trailing zeroes)-64\n\t"
-            "LCR     $dst,$dst  \t# res = -tmp4"
+  format %{ "LLGFR   $dst,$src  \t # clear upper 32 bits (we are dealing with int)\n\t"
+            "LCGFR   $tmp,$src  \t # load 2's complement (32->64 bit)\n\t"
+            "AGHI    $dst,-1    \t # tmp1 = src-1\n\t"
+            "AGHI    $tmp,-1    \t # tmp2 = -src-1 = ~src\n\t"
+            "NGR     $dst,$tmp  \t # tmp3 = tmp1&tmp2\n\t"
+            "FLOGR   $dst,$dst  \t # count trailing zeros (int)\n\t"
+            "AHI     $dst,-64   \t # tmp4 = 64-(trailing zeroes)-64\n\t"
+            "LCR     $dst,$dst  \t # res = -tmp4"
          %}
   ins_encode %{
     Register Rdst = $dst$$Register;
     Register Rsrc = $src$$Register;
     // Rtmp only needed for for zero-argument shortcut. With kill effect in

@@ -10935,16 +10934,16 @@
 instruct countTrailingZerosL(revenRegI dst, iRegL src, roddRegL tmp, flagsReg cr) %{
   match(Set dst (CountTrailingZerosL src));
   effect(TEMP_DEF dst, KILL tmp, KILL cr);
   ins_cost(8 * DEFAULT_COST);
   // TODO: s390 port size(FIXED_SIZE);  // Emitted code depends on PreferLAoverADD being on/off.
-  format %{ "LCGR    $dst,$src  \t# preserve src\n\t"
-            "NGR     $dst,$src  \t#"
-            "AGHI    $dst,-1    \t# tmp1 = src-1\n\t"
-            "FLOGR   $dst,$dst  \t# count trailing zeros (long), kill $tmp\n\t"
-            "AHI     $dst,-64   \t# tmp4 = 64-(trailing zeroes)-64\n\t"
-            "LCR     $dst,$dst  \t#"
+  format %{ "LCGR    $dst,$src  \t # preserve src\n\t"
+            "NGR     $dst,$src  \t #\n\t"
+            "AGHI    $dst,-1    \t # tmp1 = src-1\n\t"
+            "FLOGR   $dst,$dst  \t # count trailing zeros (long), kill $tmp\n\t"
+            "AHI     $dst,-64   \t # tmp4 = 64-(trailing zeroes)-64\n\t"
+            "LCR     $dst,$dst  \t #"
          %}
   ins_encode %{
     Register Rdst = $dst$$Register;
     Register Rsrc = $src$$Register;
     assert_different_registers(Rdst, Rsrc); // Rtmp == Rsrc allowed.

@@ -10967,11 +10966,11 @@
   match(Set dst (PopCountI src));
   effect(TEMP_DEF dst, TEMP tmp, KILL cr);
   predicate(UsePopCountInstruction && VM_Version::has_PopCount());
   ins_cost(DEFAULT_COST);
   size(24);
-  format %{ "POPCNT  $dst,$src\t# pop count int" %}
+  format %{ "POPCNT  $dst,$src\t # pop count int" %}
   ins_encode %{
     Register Rdst = $dst$$Register;
     Register Rsrc = $src$$Register;
     Register Rtmp = $tmp$$Register;
 

@@ -10994,11 +10993,11 @@
   match(Set dst (PopCountL src));
   effect(TEMP_DEF dst, TEMP tmp, KILL cr);
   predicate(UsePopCountInstruction && VM_Version::has_PopCount());
   ins_cost(DEFAULT_COST);
   // TODO: s390 port size(FIXED_SIZE);
-  format %{ "POPCNT  $dst,$src\t# pop count long" %}
+  format %{ "POPCNT  $dst,$src\t # pop count long" %}
   ins_encode %{
     Register Rdst = $dst$$Register;
     Register Rsrc = $src$$Register;
     Register Rtmp = $tmp$$Register;
 
< prev index next >