Mercurial > hg > graal-jvmci-8

diff src/cpu/x86/vm/c1_LIRAssembler_x86.cpp @ 6084:6759698e3140

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7133857: exp() and pow() should use the x87 ISA on x86 Summary: use x87 instructions to implement exp() and pow() in interpreter/c1/c2. Reviewed-by: kvn, never, twisti
author roland
date Tue, 15 May 2012 10:10:23 +0200
parents 8f972594effc
children e2fe93124108
line wrap: on
line diff
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Mon May 14 09:36:00 2012 -0700
+++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Tue May 15 10:10:23 2012 +0200
@@ -2446,6 +2446,12 @@
         // Should consider not saving rbx, if not necessary
         __ trigfunc('t', op->as_Op2()->fpu_stack_size());
         break;
+      case lir_exp :
+        __ exp_with_fallback(op->as_Op2()->fpu_stack_size());
+        break;
+      case lir_pow :
+        __ pow_with_fallback(op->as_Op2()->fpu_stack_size());
+        break;
       default      : ShouldNotReachHere();
     }
   } else {