--- a/hotspot/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Wed Sep 30 04:35:39 2015 -0400
+++ b/hotspot/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Mon Oct 05 20:02:40 2015 -0700
@@ -808,6 +808,12 @@
void LIRGenerator::do_MathIntrinsic(Intrinsic* x) {
assert(x->number_of_arguments() == 1 || (x->number_of_arguments() == 2 && x->id() == vmIntrinsics::_dpow), "wrong type");
+
+ if (x->id() == vmIntrinsics::_dexp) {
+ do_ExpIntrinsic(x);
+ return;
+ }
+
LIRItem value(x->argument_at(0), this);
bool use_fpu = false;
@@ -818,7 +824,6 @@
case vmIntrinsics::_dtan:
case vmIntrinsics::_dlog:
case vmIntrinsics::_dlog10:
- case vmIntrinsics::_dexp:
case vmIntrinsics::_dpow:
use_fpu = true;
}
@@ -870,7 +875,6 @@
case vmIntrinsics::_dtan: __ tan (calc_input, calc_result, tmp1, tmp2); break;
case vmIntrinsics::_dlog: __ log (calc_input, calc_result, tmp1); break;
case vmIntrinsics::_dlog10: __ log10(calc_input, calc_result, tmp1); break;
- case vmIntrinsics::_dexp: __ exp (calc_input, calc_result, tmp1, tmp2, FrameMap::rax_opr, FrameMap::rcx_opr, FrameMap::rdx_opr); break;
case vmIntrinsics::_dpow: __ pow (calc_input, calc_input2, calc_result, tmp1, tmp2, FrameMap::rax_opr, FrameMap::rcx_opr, FrameMap::rdx_opr); break;
default: ShouldNotReachHere();
}
@@ -880,6 +884,32 @@
}
}
+void LIRGenerator::do_ExpIntrinsic(Intrinsic* x) {
+ LIRItem value(x->argument_at(0), this);
+ value.set_destroys_register();
+
+ LIR_Opr calc_result = rlock_result(x);
+ LIR_Opr result_reg = result_register_for(x->type());
+
+ BasicTypeList signature(1);
+ signature.append(T_DOUBLE);
+ CallingConvention* cc = frame_map()->c_calling_convention(&signature);
+
+ value.load_item_force(cc->at(0));
+
+#ifndef _LP64
+ LIR_Opr tmp = FrameMap::fpu0_double_opr;
+ result_reg = tmp;
+ if (VM_Version::supports_sse2()) {
+ __ call_runtime_leaf(StubRoutines::dexp(), getThreadTemp(), result_reg, cc->args());
+ } else {
+ __ call_runtime_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dexp), getThreadTemp(), result_reg, cc->args());
+ }
+#else
+ __ call_runtime_leaf(StubRoutines::dexp(), getThreadTemp(), result_reg, cc->args());
+#endif
+ __ move(result_reg, calc_result);
+}
void LIRGenerator::do_ArrayCopy(Intrinsic* x) {
assert(x->number_of_arguments() == 5, "wrong type");