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SH4: convert some more arithmetics ops to TCG

Browse source 
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5116 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-08-30 13:55:14 +00:00
parent 79383c9c08
commit 6f06939b68
5 changed files with 86 additions and 193 deletions
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79
target-sh4/op_helper.c
View file

@ -108,36 +108,37 @@ void helper_trapa(uint32_t tra)
cpu_loop_exit();
}
void helper_addc_T0_T1(void)
uint32_t helper_addc(uint32_t arg0, uint32_t arg1)
{
uint32_t tmp0, tmp1;
tmp1 = T0 + T1;
tmp0 = T1;
T1 = tmp1 + (env->sr & 1);
tmp1 = arg0 + arg1;
tmp0 = arg1;
arg1 = tmp1 + (env->sr & 1);
if (tmp0 > tmp1)
env->sr |= SR_T;
else
env->sr &= ~SR_T;
if (tmp1 > T1)
if (tmp1 > arg1)
env->sr |= SR_T;
return arg1;
}
void helper_addv_T0_T1(void)
uint32_t helper_addv(uint32_t arg0, uint32_t arg1)
{
uint32_t dest, src, ans;
if ((int32_t) T1 >= 0)
if ((int32_t) arg1 >= 0)
dest = 0;
else
dest = 1;
if ((int32_t) T0 >= 0)
if ((int32_t) arg0 >= 0)
src = 0;
else
src = 1;
src += dest;
T1 += T0;
if ((int32_t) T1 >= 0)
arg1 += arg0;
if ((int32_t) arg1 >= 0)
ans = 0;
else
ans = 1;
@ -149,6 +150,7 @@ void helper_addv_T0_T1(void)
env->sr &= ~SR_T;
} else
env->sr &= ~SR_T;
return arg1;
}
#define T (env->sr & SR_T)
@ -268,30 +270,12 @@ void helper_div1_T0_T1(void)
//printf("Output: T1=0x%08x M=%d Q=%d T=%d\n", T1, M, Q, T);
}
void helper_dmulsl_T0_T1()
{
int64_t res;
res = (int64_t) (int32_t) T0 *(int64_t) (int32_t) T1;
env->mach = (res >> 32) & 0xffffffff;
env->macl = res & 0xffffffff;
}
void helper_dmulul_T0_T1()
{
uint64_t res;
res = (uint64_t) (uint32_t) T0 *(uint64_t) (uint32_t) T1;
env->mach = (res >> 32) & 0xffffffff;
env->macl = res & 0xffffffff;
}
void helper_macl_T0_T1()
void helper_macl(uint32_t arg0, uint32_t arg1)
{
int64_t res;
res = ((uint64_t) env->mach << 32) | env->macl;
res += (int64_t) (int32_t) T0 *(int64_t) (int32_t) T1;
res += (int64_t) (int32_t) arg0 *(int64_t) (int32_t) arg1;
env->mach = (res >> 32) & 0xffffffff;
env->macl = res & 0xffffffff;
if (env->sr & SR_S) {
@ -302,12 +286,12 @@ void helper_macl_T0_T1()
}
}
void helper_macw_T0_T1()
void helper_macw(uint32_t arg0, uint32_t arg1)
{
int64_t res;
res = ((uint64_t) env->mach << 32) | env->macl;
res += (int64_t) (int16_t) T0 *(int64_t) (int16_t) T1;
res += (int64_t) (int16_t) arg0 *(int64_t) (int16_t) arg1;
env->mach = (res >> 32) & 0xffffffff;
env->macl = res & 0xffffffff;
if (env->sr & SR_S) {
@ -321,50 +305,52 @@ void helper_macw_T0_T1()
}
}
void helper_negc_T0()
uint32_t helper_negc(uint32_t arg)
{
uint32_t temp;
temp = -T0;
T0 = temp - (env->sr & SR_T);
temp = -arg;
arg = temp - (env->sr & SR_T);
if (0 < temp)
env->sr |= SR_T;
else
env->sr &= ~SR_T;
if (temp < T0)
if (temp < arg)
env->sr |= SR_T;
return arg;
}
void helper_subc_T0_T1()
uint32_t helper_subc(uint32_t arg0, uint32_t arg1)
{
uint32_t tmp0, tmp1;
tmp1 = T1 - T0;
tmp0 = T1;
T1 = tmp1 - (env->sr & SR_T);
tmp1 = arg1 - arg0;
tmp0 = arg1;
arg1 = tmp1 - (env->sr & SR_T);
if (tmp0 < tmp1)
env->sr |= SR_T;
else
env->sr &= ~SR_T;
if (tmp1 < T1)
if (tmp1 < arg1)
env->sr |= SR_T;
return arg1;
}
void helper_subv_T0_T1()
uint32_t helper_subv(uint32_t arg0, uint32_t arg1)
{
int32_t dest, src, ans;
if ((int32_t) T1 >= 0)
if ((int32_t) arg1 >= 0)
dest = 0;
else
dest = 1;
if ((int32_t) T0 >= 0)
if ((int32_t) arg0 >= 0)
src = 0;
else
src = 1;
src += dest;
T1 -= T0;
if ((int32_t) T1 >= 0)
arg1 -= arg0;
if ((int32_t) arg1 >= 0)
ans = 0;
else
ans = 1;
@ -376,6 +362,7 @@ void helper_subv_T0_T1()
env->sr &= ~SR_T;
} else
env->sr &= ~SR_T;
return arg1;
}
void helper_rotcl(uint32_t * addr)