Mercurial > hg > graal-compiler
view make/linux/makefiles/gcc.make @ 9467:3531cdfddff6
Ensure probabilities are never negative. Add additional assertions.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Wed, 01 May 2013 16:30:52 +0200 |
parents | cc32ccaaf47f |
children | 2cb5d5f6d5e5 |
line wrap: on
line source
# # Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License version 2 only, as # published by the Free Software Foundation. # # This code is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License # version 2 for more details (a copy is included in the LICENSE file that # accompanied this code). # # You should have received a copy of the GNU General Public License version # 2 along with this work; if not, write to the Free Software Foundation, # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. # # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. # # #------------------------------------------------------------------------ # CC, CXX & AS # If a SPEC is not set already, then use these defaults. ifeq ($(SPEC),) # When cross-compiling the ALT_COMPILER_PATH points # to the cross-compilation toolset ifdef CROSS_COMPILE_ARCH CXX = $(ALT_COMPILER_PATH)/g++ CC = $(ALT_COMPILER_PATH)/gcc HOSTCXX = g++ HOSTCC = gcc STRIP = $(ALT_COMPILER_PATH)/strip else CXX = g++ CC = gcc HOSTCXX = $(CXX) HOSTCC = $(CC) STRIP = strip endif AS = $(CC) -c endif # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only # prints the numbers (e.g. "2.95", "3.2.1") CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) # check for precompiled headers support ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" # Allow the user to turn off precompiled headers from the command line. ifneq ($(USE_PRECOMPILED_HEADER),0) PRECOMPILED_HEADER_DIR=. PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch endif endif #------------------------------------------------------------------------ # Compiler flags # position-independent code PICFLAG = -fPIC VM_PICFLAG/LIBJVM = $(PICFLAG) VM_PICFLAG/AOUT = VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) ifeq ($(JVM_VARIANT_ZERO), true) CFLAGS += $(LIBFFI_CFLAGS) endif ifeq ($(JVM_VARIANT_ZEROSHARK), true) CFLAGS += $(LIBFFI_CFLAGS) CFLAGS += $(LLVM_CFLAGS) endif CFLAGS += $(VM_PICFLAG) CFLAGS += -fno-rtti CFLAGS += -fno-exceptions CFLAGS += -D_REENTRANT CFLAGS += -fcheck-new # version 4 and above support fvisibility=hidden (matches jni_x86.h file) # except 4.1.2 gives pointless warnings that can't be disabled (afaik) ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" CFLAGS += -fvisibility=hidden endif ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) ARCHFLAG/i486 = -m32 -march=i586 ARCHFLAG/amd64 = -m64 ARCHFLAG/ia64 = ARCHFLAG/sparc = -m32 -mcpu=v9 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 ARCHFLAG/arm = -fsigned-char ARCHFLAG/zero = $(ZERO_ARCHFLAG) ifndef E500V2 ARCHFLAG/ppc = -mcpu=powerpc endif CFLAGS += $(ARCHFLAG) AOUT_FLAGS += $(ARCHFLAG) LFLAGS += $(ARCHFLAG) ASFLAGS += $(ARCHFLAG) ifdef E500V2 CFLAGS += -DE500V2 endif # Use C++ Interpreter ifdef CC_INTERP CFLAGS += -DCC_INTERP endif # Keep temporary files (.ii, .s) ifdef NEED_ASM CFLAGS += -save-temps else CFLAGS += -pipe endif # Compiler warnings are treated as errors WARNINGS_ARE_ERRORS = -Werror WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef -Wunused-function # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit # conversions which might affect the values. Only enable it in earlier versions. ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" WARNING_FLAGS += -Wconversion endif CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS) # Special cases CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) # The flags to use for an Optimized g++ build OPT_CFLAGS/SIZE=-Os OPT_CFLAGS/SPEED=-O3 # Hotspot uses very unstrict aliasing turn this optimization off # This option is added to CFLAGS rather than OPT_CFLAGS # so that OPT_CFLAGS overrides get this option too. CFLAGS += -fno-strict-aliasing OPT_CFLAGS_DEFAULT ?= SPEED ifdef OPT_CFLAGS ifneq ("$(origin OPT_CFLAGS)", "command line") $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.") endif endif OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS) # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp # if we use expensive-optimizations ifeq ($(BUILDARCH), ia64) OPT_CFLAGS += -fno-expensive-optimizations endif OPT_CFLAGS/NOOPT=-O0 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0" OPT_CFLAGS/mulnode.o += -O0 endif # Flags for generating make dependency flags. ifneq ("${CC_VER_MAJOR}", "2") DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d) endif # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. ifeq ($(USE_PRECOMPILED_HEADER),0) CFLAGS += -DDONT_USE_PRECOMPILED_HEADER endif #------------------------------------------------------------------------ # Linker flags # statically link libstdc++.so, work with gcc but ignored by g++ STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. ifneq ("${CC_VER_MAJOR}", "2") STATIC_LIBGCC += -static-libgcc endif ifeq ($(BUILDARCH), ia64) LFLAGS += -Wl,-relax endif # Enable linker optimization LFLAGS += -Xlinker -O1 # If this is a --hash-style=gnu system, use --hash-style=both # The gnu .hash section won't work on some Linux systems like SuSE 10. _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') ifneq ($(_HAS_HASH_STYLE_GNU),) LDFLAGS_HASH_STYLE = -Wl,--hash-style=both endif LFLAGS += $(LDFLAGS_HASH_STYLE) # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. MAPFLAG = -Xlinker --version-script=FILENAME # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj SONAMEFLAG = -Xlinker -soname=SONAME # Build shared library SHARED_FLAG = -shared # Keep symbols even they are not used AOUT_FLAGS += -Xlinker -export-dynamic #------------------------------------------------------------------------ # Debug flags # DEBUG_BINARIES uses full -g debug information for all configs ifeq ($(DEBUG_BINARIES), true) CFLAGS += -g else # Use the stabs format for debugging information (this is the default # on gcc-2.91). It's good enough, has all the information about line # numbers and local variables, and libjvm.so is only about 16M. # Change this back to "-g" if you want the most expressive format. # (warning: that could easily inflate libjvm.so to 150M!) # Note: The Itanium gcc compiler crashes when using -gstabs. DEBUG_CFLAGS/ia64 = -g DEBUG_CFLAGS/amd64 = -g DEBUG_CFLAGS/arm = -g DEBUG_CFLAGS/ppc = -g DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) DEBUG_CFLAGS += -gstabs endif ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1) FASTDEBUG_CFLAGS/ia64 = -g FASTDEBUG_CFLAGS/amd64 = -g FASTDEBUG_CFLAGS/arm = -g FASTDEBUG_CFLAGS/ppc = -g FASTDEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) ifeq ($(FASTDEBUG_CFLAGS/$(BUILDARCH)),) FASTDEBUG_CFLAGS += -gstabs endif OPT_CFLAGS/ia64 = -g OPT_CFLAGS/amd64 = -g OPT_CFLAGS/arm = -g OPT_CFLAGS/ppc = -g OPT_CFLAGS += $(OPT_CFLAGS/$(BUILDARCH)) ifeq ($(OPT_CFLAGS/$(BUILDARCH)),) OPT_CFLAGS += -gstabs endif endif endif # If we are building HEADLESS, pass on to VM # so it can set the java.awt.headless property ifdef HEADLESS CFLAGS += -DHEADLESS endif # We are building Embedded for a small device # favor code space over speed ifdef MINIMIZE_RAM_USAGE CFLAGS += -DMINIMIZE_RAM_USAGE endif