tcg-ppc: Remove the backend

Vectoring the 32-bit build to the ppc64 directory.

Tested-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>

configure

@@ -4747,6 +4747,8 @@ elif test "$ARCH" = "s390x" ; then
   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
 elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
+elif test "$ARCH" = "ppc" ; then
+  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc64 $QEMU_INCLUDES"
 else
   QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
 fi

tcg/ppc/tcg-target.h

@@ -1,109 +0,0 @@
-/*
- * Tiny Code Generator for QEMU
- *
- * Copyright (c) 2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#ifndef TCG_TARGET_PPC 
-#define TCG_TARGET_PPC 1
-
-#define TCG_TARGET_NB_REGS 32
-#define TCG_TARGET_INSN_UNIT_SIZE 4
-
-typedef enum {
-    TCG_REG_R0 = 0,
-    TCG_REG_R1,
-    TCG_REG_R2,
-    TCG_REG_R3,
-    TCG_REG_R4,
-    TCG_REG_R5,
-    TCG_REG_R6,
-    TCG_REG_R7,
-    TCG_REG_R8,
-    TCG_REG_R9,
-    TCG_REG_R10,
-    TCG_REG_R11,
-    TCG_REG_R12,
-    TCG_REG_R13,
-    TCG_REG_R14,
-    TCG_REG_R15,
-    TCG_REG_R16,
-    TCG_REG_R17,
-    TCG_REG_R18,
-    TCG_REG_R19,
-    TCG_REG_R20,
-    TCG_REG_R21,
-    TCG_REG_R22,
-    TCG_REG_R23,
-    TCG_REG_R24,
-    TCG_REG_R25,
-    TCG_REG_R26,
-    TCG_REG_R27,
-    TCG_REG_R28,
-    TCG_REG_R29,
-    TCG_REG_R30,
-    TCG_REG_R31
-} TCGReg;
-
-/* used for function call generation */
-#define TCG_REG_CALL_STACK TCG_REG_R1
-#define TCG_TARGET_STACK_ALIGN 16
-#if defined _CALL_DARWIN || defined __APPLE__
-#define TCG_TARGET_CALL_STACK_OFFSET 24
-#elif defined _CALL_AIX
-#define TCG_TARGET_CALL_STACK_OFFSET 52
-#elif defined _CALL_SYSV
-#define TCG_TARGET_CALL_ALIGN_ARGS 1
-#define TCG_TARGET_CALL_STACK_OFFSET 8
-#else
-#error Unsupported system
-#endif
-
-/* optional instructions */
-#define TCG_TARGET_HAS_div_i32          1
-#define TCG_TARGET_HAS_rem_i32          0
-#define TCG_TARGET_HAS_rot_i32          1
-#define TCG_TARGET_HAS_ext8s_i32        1
-#define TCG_TARGET_HAS_ext16s_i32       1
-#define TCG_TARGET_HAS_ext8u_i32        1
-#define TCG_TARGET_HAS_ext16u_i32       1
-#define TCG_TARGET_HAS_bswap16_i32      1
-#define TCG_TARGET_HAS_bswap32_i32      1
-#define TCG_TARGET_HAS_not_i32          1
-#define TCG_TARGET_HAS_neg_i32          1
-#define TCG_TARGET_HAS_andc_i32         1
-#define TCG_TARGET_HAS_orc_i32          1
-#define TCG_TARGET_HAS_eqv_i32          1
-#define TCG_TARGET_HAS_nand_i32         1
-#define TCG_TARGET_HAS_nor_i32          1
-#define TCG_TARGET_HAS_deposit_i32      1
-#define TCG_TARGET_HAS_movcond_i32      1
-#define TCG_TARGET_HAS_mulu2_i32        1
-#define TCG_TARGET_HAS_muls2_i32        0
-#define TCG_TARGET_HAS_muluh_i32        0
-#define TCG_TARGET_HAS_mulsh_i32        0
-
-#define TCG_AREG0 TCG_REG_R27
-
-#define tcg_qemu_tb_exec(env, tb_ptr) \
-    ((uintptr_t __attribute__ ((longcall)) \
-      (*)(void *, void *))tcg_ctx.code_gen_prologue)(env, tb_ptr)
-
-#endif