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diff src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp @ 3839:3d42f82cd811

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7063628: Use cbcond on T4 Summary: Add new short branch instruction to Hotspot sparc assembler. Reviewed-by: never, twisti, jrose
author kvn
date Thu, 21 Jul 2011 11:25:07 -0700
parents 6c97c830fb6f
children 069ab3f976d3
line wrap: on
line diff
--- a/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp	Thu Jul 21 08:38:25 2011 -0700
+++ b/src/cpu/sparc/vm/c1_MacroAssembler_sparc.cpp	Thu Jul 21 11:25:07 2011 -0700
@@ -41,9 +41,7 @@
   // Note: needs more testing of out-of-line vs. inline slow case
   verify_oop(receiver);
   load_klass(receiver, temp_reg);
-  cmp(temp_reg, iCache);
-  brx(Assembler::equal, true, Assembler::pt, L);
-  delayed()->nop();
+  cmp_and_brx_short(temp_reg, iCache, Assembler::equal, Assembler::pt, L);
   AddressLiteral ic_miss(SharedRuntime::get_ic_miss_stub());
   jump_to(ic_miss, temp_reg);
   delayed()->nop();
@@ -142,8 +140,7 @@
   }
   // Test first it it is a fast recursive unlock
   ld_ptr(Rbox, BasicLock::displaced_header_offset_in_bytes(), Rmark);
-  br_null(Rmark, false, Assembler::pt, done);
-  delayed()->nop();
+  br_null_short(Rmark, Assembler::pt, done);
   if (!UseBiasedLocking) {
     // load object
     ld_ptr(Rbox, BasicObjectLock::obj_offset_in_bytes(), Roop);
@@ -231,7 +228,7 @@
   if (!is_simm13(obj_size * wordSize)) {
     // would need to use extra register to load
     // object size => go the slow case for now
-    br(Assembler::always, false, Assembler::pt, slow_case);
+    ba(slow_case);
     delayed()->nop();
     return;
   }
@@ -257,12 +254,10 @@
     Label ok;
     ld(klass, klassOopDesc::header_size() * HeapWordSize + Klass::layout_helper_offset_in_bytes(), t1);
     if (var_size_in_bytes != noreg) {
-      cmp(t1, var_size_in_bytes);
+      cmp_and_brx_short(t1, var_size_in_bytes, Assembler::equal, Assembler::pt, ok);
     } else {
-      cmp(t1, con_size_in_bytes);
+      cmp_and_brx_short(t1, con_size_in_bytes, Assembler::equal, Assembler::pt, ok);
     }
-    brx(Assembler::equal, false, Assembler::pt, ok);
-    delayed()->nop();
     stop("bad size in initialize_object");
     should_not_reach_here();
 
@@ -387,8 +382,7 @@
 
 void C1_MacroAssembler::verify_not_null_oop(Register r) {
   Label not_null;
-  br_notnull(r, false, Assembler::pt, not_null);
-  delayed()->nop();
+  br_notnull_short(r, Assembler::pt, not_null);
   stop("non-null oop required");
   bind(not_null);
   if (!VerifyOops) return;