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changeset 17802:7c462558a08a

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8035394: PPC64: Make usage of intrinsic dsqrt depend on processor recognition. Reviewed-by: kvn
author goetz
date Thu, 20 Feb 2014 11:05:12 +0100
parents 2444afebe07b
children 31e80afe3fed
files src/cpu/ppc/vm/ppc.ad src/share/vm/opto/library_call.cpp
diffstat 2 files changed, 4 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/cpu/ppc/vm/ppc.ad	Thu Feb 20 10:48:57 2014 +0100
+++ b/src/cpu/ppc/vm/ppc.ad	Thu Feb 20 11:05:12 2014 +0100
@@ -2076,6 +2076,8 @@
     return false;
 
   switch (opcode) {
+  case Op_SqrtD:
+    return VM_Version::has_fsqrt();
   case Op_CountLeadingZerosI:
   case Op_CountLeadingZerosL:
   case Op_CountTrailingZerosI:
@@ -8740,7 +8742,7 @@
   ins_pipe(pipe_class_default);
 %}
 
-// VM_Version::has_sqrt() decides if this node will be used.
+// VM_Version::has_fsqrt() decides if this node will be used.
 // Sqrt float double precision
 instruct sqrtD_reg(regD dst, regD src) %{
   match(Set dst (SqrtD src));
--- a/src/share/vm/opto/library_call.cpp	Thu Feb 20 10:48:57 2014 +0100
+++ b/src/share/vm/opto/library_call.cpp	Thu Feb 20 11:05:12 2014 +0100
@@ -1937,7 +1937,7 @@
     runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dlog10), "LOG10");
 
     // These intrinsics are supported on all hardware
-  case vmIntrinsics::_dsqrt:  return Matcher::has_match_rule(Op_SqrtD)  ? inline_math(id) : false;
+  case vmIntrinsics::_dsqrt:  return Matcher::match_rule_supported(Op_SqrtD) ? inline_math(id) : false;
   case vmIntrinsics::_dabs:   return Matcher::has_match_rule(Op_AbsD)   ? inline_math(id) : false;
 
   case vmIntrinsics::_dexp:   return Matcher::has_match_rule(Op_ExpD)   ? inline_exp()    :