Compile TCG runtime library only once

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

Makefile

@@ -74,6 +74,7 @@ block-obj-y +=  $(addprefix block/, $(block-nested-y))
 obj-y = $(block-obj-y)
 obj-y += readline.o console.o
 
+obj-y += tcg-runtime.o
 obj-y += irq.o ptimer.o ioport.o
 obj-y += i2c.o smbus.o smbus_eeprom.o max7310.o max111x.o wm8750.o
 obj-y += ssd0303.o ssd0323.o ads7846.o stellaris_input.o twl92230.o

Makefile.target

@@ -32,7 +32,7 @@ all: $(PROGS)
 #########################################################
 # cpu emulator library
 libobj-y = exec.o translate-all.o cpu-exec.o translate.o host-utils.o
-libobj-y += tcg/tcg.o tcg/tcg-runtime.o
+libobj-y += tcg/tcg.o
 libobj-$(CONFIG_SOFTFLOAT) += fpu/softfloat.o
 libobj-$(CONFIG_NOSOFTFLOAT) += fpu/softfloat-native.o
 libobj-y += op_helper.o helper.o
@@ -83,6 +83,7 @@ QEMU_CFLAGS+=-I$(SRC_PATH)/linux-user -I$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)
 obj-y = main.o syscall.o strace.o mmap.o signal.o thunk.o \
       elfload.o linuxload.o uaccess.o gdbstub.o gdbstub-xml.o
 obj-y += envlist.o path.o
+obj-y += tcg/tcg-runtime.o
 
 obj-$(TARGET_HAS_BFLT) += flatload.o
 obj-$(TARGET_HAS_ELFLOAD32) += elfload32.o
@@ -117,6 +118,7 @@ LIBS+=-lmx
 obj-y = main.o commpage.o machload.o mmap.o signal.o syscall.o thunk.o \
         gdbstub.o gdbstub-xml.o
 obj-y += envlist.o path.o
+obj-y += tcg/tcg-runtime.o
 
 obj-i386-y += ioport-user.o
 
@@ -135,6 +137,7 @@ QEMU_CFLAGS+=-I$(SRC_PATH)/bsd-user -I$(SRC_PATH)/bsd-user/$(TARGET_ARCH)
 obj-y = main.o bsdload.o elfload.o mmap.o signal.o strace.o syscall.o \
         gdbstub.o gdbstub-xml.o uaccess.o
 obj-y += envlist.o path.o
+obj-y += tcg/tcg-runtime.o
 
 obj-i386-y += ioport-user.o
 

tcg-runtime.c

@@ -21,16 +21,9 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
+#include <stdint.h>
 
-#include "config.h"
-#include "osdep.h"
-#include "cpu.h" // For TARGET_LONG_BITS
-#include "tcg.h"
+#include "tcg/tcg-runtime.h"
 
 int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2)
 {

tcg/tcg-runtime.h

@@ -0,0 +1,13 @@
+#ifndef TCG_RUNTIME_H
+#define TCG_RUNTIME_H
+
+/* tcg-runtime.c */
+int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2);
+int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2);
+uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2);
+uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2);
+
+#endif

tcg/tcg.h

@@ -23,6 +23,7 @@
  */
 #include "qemu-common.h"
 #include "tcg-target.h"
+#include "tcg-runtime.h"
 
 #if TCG_TARGET_REG_BITS == 32
 typedef int32_t tcg_target_long;
@@ -455,15 +456,6 @@ void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type,
 const TCGArg *tcg_gen_code_op(TCGContext *s, int opc, const TCGArg *args1,
                               unsigned int dead_iargs);
 
-/* tcg-runtime.c */
-int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2);
-int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2);
-uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2);
-uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2);
-
 extern uint8_t code_gen_prologue[];
 #if defined(_ARCH_PPC) && !defined(_ARCH_PPC64)
 #define tcg_qemu_tb_exec(tb_ptr) \