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Switch most MIPS logical and arithmetic instructions to TCG.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4496 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2008-05-18 22:50:49 +00:00
parent 8c99506cfb
commit 48d38ca52b
5 changed files with 440 additions and 577 deletions
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62
target-mips/op_helper.c
View file

@ -48,6 +48,18 @@ void do_raise_exception (uint32_t exception)
do_raise_exception_err(exception, 0);
}
void do_interrupt_restart (void)
{
if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
!(env->CP0_Status & (1 << CP0St_ERL)) &&
!(env->hflags & MIPS_HFLAG_DM) &&
(env->CP0_Status & (1 << CP0St_IE)) &&
(env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask)) {
env->CP0_Cause &= ~(0x1f << CP0Ca_EC);
do_raise_exception(EXCP_EXT_INTERRUPT);
}
}
void do_restore_state (void *pc_ptr)
{
TranslationBlock *tb;
@ -59,17 +71,6 @@ void do_restore_state (void *pc_ptr)
}
}
void do_raise_exception_direct_err (uint32_t exception, int error_code)
{
do_restore_state (GETPC ());
do_raise_exception_err (exception, error_code);
}
void do_raise_exception_direct (uint32_t exception)
{
do_raise_exception_direct_err (exception, 0);
}
#if defined(TARGET_MIPS64)
#if TARGET_LONG_BITS > HOST_LONG_BITS
/* Those might call libgcc functions. */
@ -300,45 +301,6 @@ void do_mulshiu (void)
}
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
#if HOST_LONG_BITS < 64
void do_div (void)
{
/* 64bit datatypes because we may see overflow/underflow. */
if (T1 != 0) {
env->LO[env->current_tc][0] = (int32_t)((int64_t)(int32_t)T0 / (int32_t)T1);
env->HI[env->current_tc][0] = (int32_t)((int64_t)(int32_t)T0 % (int32_t)T1);
}
}
#endif
#if defined(TARGET_MIPS64)
void do_ddiv (void)
{
if (T1 != 0) {
int64_t arg0 = (int64_t)T0;
int64_t arg1 = (int64_t)T1;
if (arg0 == ((int64_t)-1 << 63) && arg1 == (int64_t)-1) {
env->LO[env->current_tc][0] = arg0;
env->HI[env->current_tc][0] = 0;
} else {
lldiv_t res = lldiv(arg0, arg1);
env->LO[env->current_tc][0] = res.quot;
env->HI[env->current_tc][0] = res.rem;
}
}
}
#if TARGET_LONG_BITS > HOST_LONG_BITS
void do_ddivu (void)
{
if (T1 != 0) {
env->LO[env->current_tc][0] = T0 / T1;
env->HI[env->current_tc][0] = T0 % T1;
}
}
#endif
#endif /* TARGET_MIPS64 */
#if defined(CONFIG_USER_ONLY)
void do_mfc0_random (void)
{