Tue, 29 Jul 2014 13:56:29 +0200
8049043: Load variable through a pointer of an incompatible type in hotspot/src/share/vm/runtime/sharedRuntimeMath.hpp
Summary: Fixed parfait warnings caused by __HI and __LO macros in sharedRuntimeMath.hpp by using a union.
Reviewed-by: kvn
1 #
2 # Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
3 # Copyright 2012, 2013 SAP AG. All rights reserved.
4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 #
6 # This code is free software; you can redistribute it and/or modify it
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8 # published by the Free Software Foundation.
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14 # accompanied this code).
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24 #
26 # make c code know it is on a 64 bit platform.
27 CFLAGS += -D_LP64=1
29 ifeq ($(origin OPENJDK_TARGET_CPU_ENDIAN),undefined)
30 # This can happen during hotspot standalone build. Set endianness from
31 # uname. We assume build and target machines are the same.
32 OPENJDK_TARGET_CPU_ENDIAN:=$(if $(filter ppc64le,$(shell uname -m)),little,big)
33 endif
35 ifeq ($(filter $(OPENJDK_TARGET_CPU_ENDIAN),big little),)
36 $(error OPENJDK_TARGET_CPU_ENDIAN value should be 'big' or 'little')
37 endif
39 ifeq ($(OPENJDK_TARGET_CPU_ENDIAN),big)
40 # fixes `relocation truncated to fit' error for gcc 4.1.
41 CFLAGS += -mminimal-toc
43 # finds use ppc64 instructions, but schedule for power5
44 CFLAGS += -mcpu=powerpc64 -mtune=power5 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string
45 else
46 # Little endian machine uses ELFv2 ABI.
47 CFLAGS += -DVM_LITTLE_ENDIAN -DABI_ELFv2
49 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
50 CFLAGS += -mcpu=power7 -mtune=power8 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string
51 endif