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target/ppc: combine multiple ail checks into one

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ppc_excp_apply_ail has multiple if-checks for ail which is un-necessary.
Combine them as appropriate.

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Harsh Prateek Bora 2024-10-10 11:17:39 +05:30 committed by Nicholas Piggin
parent bb547c4c45
commit 8bbf0cff8c
1 changed files with 2 additions and 8 deletions
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10
target/ppc/excp_helper.c
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@ -324,10 +324,7 @@ static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp, target_ulong msr,
}
ail = (env->spr[SPR_LPCR] & LPCR_AIL) >> LPCR_AIL_SHIFT;
if (ail == 0) {
return;
}
if (ail == 1) {
if (ail == 0 || ail == 1) {
/* AIL=1 is reserved, treat it like AIL=0 */
return;
}
@ -351,10 +348,7 @@ static void ppc_excp_apply_ail(PowerPCCPU *cpu, int excp, target_ulong msr,
} else {
ail = (env->spr[SPR_LPCR] & LPCR_AIL) >> LPCR_AIL_SHIFT;
}
if (ail == 0) {
return;
}
if (ail == 1 || ail == 2) {
if (ail == 0 || ail == 1 || ail == 2) {
/* AIL=1 and AIL=2 are reserved, treat them like AIL=0 */
return;
}