5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "incls/_precompiled.incl"
  26 #include "incls/_c1_CodeStubs_x86.cpp.incl"










  27 
  28 
  29 #define __ ce->masm()->
  30 
  31 float ConversionStub::float_zero = 0.0;
  32 double ConversionStub::double_zero = 0.0;
  33 
  34 void ConversionStub::emit_code(LIR_Assembler* ce) {
  35   __ bind(_entry);
  36   assert(bytecode() == Bytecodes::_f2i || bytecode() == Bytecodes::_d2i, "other conversions do not require stub");
  37 
  38 
  39   if (input()->is_single_xmm()) {
  40     __ comiss(input()->as_xmm_float_reg(),
  41               ExternalAddress((address)&float_zero));
  42   } else if (input()->is_double_xmm()) {
  43     __ comisd(input()->as_xmm_double_reg(),
  44               ExternalAddress((address)&double_zero));
  45   } else {
  46     LP64_ONLY(ShouldNotReachHere());

   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "c1/c1_CodeStubs.hpp"
  27 #include "c1/c1_FrameMap.hpp"
  28 #include "c1/c1_LIRAssembler.hpp"
  29 #include "c1/c1_MacroAssembler.hpp"
  30 #include "c1/c1_Runtime1.hpp"
  31 #include "nativeInst_x86.hpp"
  32 #include "runtime/sharedRuntime.hpp"
  33 #include "vmreg_x86.inline.hpp"
  34 #ifndef SERIALGC
  35 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
  36 #endif
  37 
  38 
  39 #define __ ce->masm()->
  40 
  41 float ConversionStub::float_zero = 0.0;
  42 double ConversionStub::double_zero = 0.0;
  43 
  44 void ConversionStub::emit_code(LIR_Assembler* ce) {
  45   __ bind(_entry);
  46   assert(bytecode() == Bytecodes::_f2i || bytecode() == Bytecodes::_d2i, "other conversions do not require stub");
  47 
  48 
  49   if (input()->is_single_xmm()) {
  50     __ comiss(input()->as_xmm_float_reg(),
  51               ExternalAddress((address)&float_zero));
  52   } else if (input()->is_double_xmm()) {
  53     __ comisd(input()->as_xmm_double_reg(),
  54               ExternalAddress((address)&double_zero));
  55   } else {
  56     LP64_ONLY(ShouldNotReachHere());