PowerPC SPE extension fix: must always preserve GPR high bits when

  running in 32 bits mode.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3631 c046a42c-6fe2-441c-8c8c-71466251a162

target-ppc/cpu.h

@@ -530,7 +530,7 @@ struct CPUPPCState {
 
     /* general purpose registers */
     ppc_gpr_t gpr[32];
-#if TARGET_GPR_BITS < 64
+#if !defined(TARGET_PPC64)
     /* Storage for GPR MSB, used by the SPE extension */
     ppc_gpr_t gprh[32];
 #endif

target-ppc/op_template.h

@@ -58,7 +58,7 @@ void OPPROTO glue(op_store_T2_gpr_gpr, REG) (void)
 #endif
 
 /* General purpose registers containing vector operands moves */
-#if TARGET_GPR_BITS < 64
+#if !defined(TARGET_PPC64)
 void OPPROTO glue(op_load_gpr64_T0_gpr, REG) (void)
 {
     T0_64 = (uint64_t)env->gpr[REG] | ((uint64_t)env->gprh[REG] << 32);
@@ -101,7 +101,7 @@ void OPPROTO glue(op_store_T2_gpr64_gpr, REG) (void)
     RETURN();
 }
 #endif
-#endif /* TARGET_GPR_BITS < 64 */
+#endif /* !defined(TARGET_PPC64) */
 
 /* Altivec registers moves */
 void OPPROTO glue(op_load_avr_A0_avr, REG) (void)

target-ppc/translate.c

@@ -5822,7 +5822,7 @@ GEN_VR_STX(vxl, 0x07, 0x0F);
 /***                           SPE extension                               ***/
 
 /* Register moves */
-#if TARGET_GPR_BITS < 64
+#if !defined(TARGET_PPC64)
 
 GEN32(gen_op_load_gpr64_T0, gen_op_load_gpr64_T0_gpr);
 GEN32(gen_op_load_gpr64_T1, gen_op_load_gpr64_T1_gpr);
@@ -5836,7 +5836,7 @@ GEN32(gen_op_store_T1_gpr64, gen_op_store_T1_gpr64_gpr);
 GEN32(gen_op_store_T2_gpr64, gen_op_store_T2_gpr64_gpr);
 #endif
 
-#else /* TARGET_GPR_BITS < 64 */
+#else /* !defined(TARGET_PPC64) */
 
 /* No specific load/store functions: GPRs are already 64 bits */
 #define gen_op_load_gpr64_T0 gen_op_load_gpr_T0
@@ -5851,7 +5851,7 @@ GEN32(gen_op_store_T2_gpr64, gen_op_store_T2_gpr64_gpr);
 #define gen_op_store_T2_gpr64 gen_op_store_T2_gpr
 #endif
 
-#endif /* TARGET_GPR_BITS < 64 */
+#endif /* !defined(TARGET_PPC64) */
 
 #define GEN_SPE(name0, name1, opc2, opc3, inval, type)                        \
 GEN_HANDLER(name0##_##name1, 0x04, opc2, opc3, inval, type)                   \