archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 02:54:35 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7133857: exp() and pow() should use the x87 ISA on x86

Browse source 
Use x87 instructions to implement exp() and pow() in interpreter/c1/c2.

Reviewed-by: kvn, never, twisti
This commit is contained in:
Roland Westrelin 2012-05-15 10:10:23 +02:00
parent eb4a860bc3
commit b305cf722e
26 changed files with 783 additions and 279 deletions
Download patch file Download diff file Expand all files Collapse all files

4
hotspot/src/share/vm/c1/c1_LIRAssembler.cpp
View file

@ -718,7 +718,7 @@ void LIR_Assembler::emit_op2(LIR_Op2* op) {
if (op->in_opr2()->is_constant()) {
shift_op(op->code(), op->in_opr1(), op->in_opr2()->as_constant_ptr()->as_jint(), op->result_opr());
} else {
shift_op(op->code(), op->in_opr1(), op->in_opr2(), op->result_opr(), op->tmp_opr());
shift_op(op->code(), op->in_opr1(), op->in_opr2(), op->result_opr(), op->tmp1_opr());
}
break;
@ -746,6 +746,8 @@ void LIR_Assembler::emit_op2(LIR_Op2* op) {
case lir_cos:
case lir_log:
case lir_log10:
case lir_exp:
case lir_pow:
intrinsic_op(op->code(), op->in_opr1(), op->in_opr2(), op->result_opr(), op);
break;