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MIPS fixes (Daniel Jacobowitz)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1690 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-12-05 19:59:36 +00:00
parent 6810e15490
commit 4ad40f366f
8 changed files with 232 additions and 105 deletions
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22
target-mips/op.c
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@ -207,7 +207,7 @@ void op_addo (void)
tmp = T0;
T0 += T1;
if ((T0 >> 31) ^ (T1 >> 31) ^ (tmp >> 31)) {
CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
}
RETURN();
}
@ -225,7 +225,7 @@ void op_subo (void)
tmp = T0;
T0 = (int32_t)T0 - (int32_t)T1;
if (!((T0 >> 31) ^ (T1 >> 31) ^ (tmp >> 31))) {
CALL_FROM_TB1(do_raise_exception, EXCP_OVERFLOW);
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
}
RETURN();
}
@ -364,7 +364,7 @@ static inline void set_HILO (uint64_t HILO)
void op_mult (void)
{
set_HILO((int64_t)T0 * (int64_t)T1);
set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
RETURN();
}
@ -378,7 +378,7 @@ void op_madd (void)
{
int64_t tmp;
tmp = ((int64_t)T0 * (int64_t)T1);
tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
set_HILO((int64_t)get_HILO() + tmp);
RETURN();
}
@ -396,7 +396,7 @@ void op_msub (void)
{
int64_t tmp;
tmp = ((int64_t)T0 * (int64_t)T1);
tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
set_HILO((int64_t)get_HILO() - tmp);
RETURN();
}
@ -595,11 +595,16 @@ void op_pmon (void)
void op_trap (void)
{
if (T0) {
CALL_FROM_TB1(do_raise_exception, EXCP_TRAP);
CALL_FROM_TB1(do_raise_exception_direct, EXCP_TRAP);
}
RETURN();
}
void op_debug (void)
{
CALL_FROM_TB1(do_raise_exception_direct, EXCP_DEBUG);
}
void op_set_lladdr (void)
{
env->CP0_LLAddr = T2;
@ -654,3 +659,8 @@ void op_exit_tb (void)
EXIT_TB();
}
void op_wait (void)
{
env->halted = 1;
CALL_FROM_TB1(do_raise_exception, EXCP_HLT);
}