From: Harsh Prateek Bora <harshpb@linux.ibm.com>
Date: Thu, 10 Oct 2024 05:47:39 +0000 (+0530)
Subject: target/ppc: combine multiple ail checks into one
X-Git-Tag: v9.2.0-rc0~22^2~25
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8bbf0cff8c19f69825a055a8d2a9aa049d23fb85;p=thirdparty%2Fqemu.git

target/ppc: combine multiple ail checks into one

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>
---

diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 2806afd9bda..70daa5076aa 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -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;
         }