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target/ppc: introduce helper_update_ov_legacy 

Removes duplicate code and will be useful for consolidating flags

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2017-02-24 01:26:26 +05:30 committed by David Gibson
parent 2530a1a5cf
commit f32899de97
1 changed files with 13 additions and 21 deletions
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34
target/ppc/int_helper.c
View File

@ -28,6 +28,15 @@
/*****************************************************************************/ /*****************************************************************************/
/* Fixed point operations helpers */ /* Fixed point operations helpers */
static inline void helper_update_ov_legacy(CPUPPCState *env, int ov)
{
if (unlikely(ov)) {
env->so = env->ov = 1;
} else {
env->ov = 0;
}
}
target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb, target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb,
uint32_t oe) uint32_t oe)
{ {
@ -49,11 +58,7 @@ target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb,
} }
if (oe) { if (oe) {
if (unlikely(overflow)) { helper_update_ov_legacy(env, overflow);
env->so = env->ov = 1;
} else {
env->ov = 0;
}
} }
return (target_ulong)rt; return (target_ulong)rt;
@ -81,11 +86,7 @@ target_ulong helper_divwe(CPUPPCState *env, target_ulong ra, target_ulong rb,
} }
if (oe) { if (oe) {
if (unlikely(overflow)) { helper_update_ov_legacy(env, overflow);
env->so = env->ov = 1;
} else {
env->ov = 0;
}
} }
return (target_ulong)rt; return (target_ulong)rt;
@ -105,11 +106,7 @@ uint64_t helper_divdeu(CPUPPCState *env, uint64_t ra, uint64_t rb, uint32_t oe)
} }
if (oe) { if (oe) {
if (unlikely(overflow)) { helper_update_ov_legacy(env, overflow);
env->so = env->ov = 1;
} else {
env->ov = 0;
}
} }
return rt; return rt;
@ -127,12 +124,7 @@ uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe)
} }
if (oe) { if (oe) {
helper_update_ov_legacy(env, overflow);
if (unlikely(overflow)) {
env->so = env->ov = 1;
} else {
env->ov = 0;
}
} }
return rt; return rt;