hg: jdk7/hotspot-comp/hotspot: 6752257: Use NOT instead of XOR -1 on x86

[chuck.rasbold at sun.com]

Changeset: b744678d4d71
Author:    rasbold
Date:      2008-10-10 09:47 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/b744678d4d71

6752257: Use NOT instead of XOR -1 on x86
Summary: add match rule for xor -1
Reviewed-by: never, kvn

! src/cpu/x86/vm/x86_32.ad
! src/cpu/x86/vm/x86_64.ad