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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-08-30 13:55:14 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-08-30 13:55:14 +0000
commit6f06939b6877bdfcac7d466e876022889d2fe59c (patch)
treeb7526ba5e06560ec8b2147e392b795c52d30a7cf /target-sh4/op_helper.c
parent79383c9c082e5d56618968237dad806d0eb615f3 (diff)
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SH4: convert some more arithmetics ops to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5116 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sh4/op_helper.c')
-rw-r--r--target-sh4/op_helper.c79
1 files changed, 33 insertions, 46 deletions
diff --git a/target-sh4/op_helper.c b/target-sh4/op_helper.c
index 8504115..e3f9527 100644
--- a/target-sh4/op_helper.c
+++ b/target-sh4/op_helper.c
@@ -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)