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Convert align checks to TCG 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4097 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-03-21 18:08:59 +00:00
parent 2be17ebded
commit 2b29924f8c
4 changed files with 27 additions and 12 deletions
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1
target-sparc/helper.h
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@ -37,6 +37,7 @@ void TCG_HELPER_PROTO helper_tick_set_limit(void *opaque, uint64_t limit);
void TCG_HELPER_PROTO helper_trap(target_ulong nb_trap);
void TCG_HELPER_PROTO helper_trapcc(target_ulong nb_trap,
target_ulong do_trap);
void TCG_HELPER_PROTO helper_check_align(target_ulong addr, uint32_t align);
void TCG_HELPER_PROTO helper_debug(void);
void TCG_HELPER_PROTO helper_save(void);
void TCG_HELPER_PROTO helper_restore(void);

12
target-sparc/op.c
View File

@ -36,15 +36,3 @@
#include "op_mem.h"
#endif
#endif
#define CHECK_ALIGN_OP(align) \
void OPPROTO op_check_align_T0_ ## align (void) \
{ \
if (T0 & align) \
raise_exception(TT_UNALIGNED); \
FORCE_RET(); \
}
CHECK_ALIGN_OP(1)
CHECK_ALIGN_OP(3)
CHECK_ALIGN_OP(7)

6
target-sparc/op_helper.c
View File

@ -50,6 +50,12 @@ void helper_trapcc(target_ulong nb_trap, target_ulong do_trap)
}
}
void helper_check_align(target_ulong addr, uint32_t align)
{
if (addr & align)
raise_exception(TT_UNALIGNED);
}
#define F_HELPER(name, p) void helper_f##name##p(void)
#if defined(CONFIG_USER_ONLY)

20
target-sparc/translate.c
View File

@ -1664,6 +1664,26 @@ static inline void gen_clear_float_exceptions(void)
tcg_gen_helper_0_0(helper_clear_float_exceptions);
}
static inline void gen_check_align(TCGv r_addr, int align)
{
tcg_gen_helper_0_2(helper_check_align, r_addr, tcg_const_i32(align));
}
static inline void gen_op_check_align_T0_1(void)
{
gen_check_align(cpu_T[0], 1);
}
static inline void gen_op_check_align_T0_3(void)
{
gen_check_align(cpu_T[0], 3);
}
static inline void gen_op_check_align_T0_7(void)
{
gen_check_align(cpu_T[0], 7);
}
/* asi moves */
#ifdef TARGET_SPARC64
static inline TCGv gen_get_asi(int insn, TCGv r_addr)