hg: hsx/hotspot-main/hotspot: 4 new changesets

[john.r.rose at oracle.com]

Changeset: 5e9fba4e8718
Author:    kvn
Date:      2012-02-07 11:33 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/5e9fba4e8718

7142167: MAC: _get_previous_fp broken on bsd with llvm-gcc
Summary: LLVM-GCC (__llvm__) should use the same _get_previous_fp implementation as __clang__ (as is the case for os::current_stack_pointer).
Reviewed-by: twisti, never, dcubed

! src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp

Changeset: b9bc6cae88f2
Author:    kvn
Date:      2012-02-07 16:33 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/b9bc6cae88f2

7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes
Summary: Adjust the assert and code in eliminate_card_mark() method for case when stored value is NULL.
Reviewed-by: iveresov, never

! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/opto/macro.cpp

Changeset: c742b0b47fe5
Author:    roland
Date:      2012-02-08 09:52 +0100
URL:       http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/c742b0b47fe5

7119286: JSR292: SIGSEGV in JNIHandleBlock::release_block(JNIHandleBlock*, Thread*)+0x3c
Summary: unaligned stack in throw_NullPointerException_at_call_entry().
Reviewed-by: twisti, never, kvn

! src/cpu/x86/vm/stubGenerator_x86_64.cpp

Changeset: 2f985b6ce7ff
Author:    jrose
Date:      2012-02-09 18:01 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/2f985b6ce7ff

Merge