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[PATCH v4 1/9] target/ppc: use locally stored msr and avoid indirect acc
From: |
Harsh Prateek Bora |
Subject: |
[PATCH v4 1/9] target/ppc: use locally stored msr and avoid indirect access |
Date: |
Thu, 10 Oct 2024 11:17:32 +0530 |
hreg_compute_hflags_value already stores msr locally to be used in most
of the logic in the routine however some instances are still using
env->msr which is unnecessary. Use locally stored value as available.
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
---
target/ppc/helper_regs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c
index 02076e96fb..fe543ab3b8 100644
--- a/target/ppc/helper_regs.c
+++ b/target/ppc/helper_regs.c
@@ -143,10 +143,10 @@ static uint32_t hreg_compute_hflags_value(CPUPPCState
*env)
if (ppc_flags & POWERPC_FLAG_DE) {
target_ulong dbcr0 = env->spr[SPR_BOOKE_DBCR0];
- if ((dbcr0 & DBCR0_ICMP) && FIELD_EX64(env->msr, MSR, DE)) {
+ if ((dbcr0 & DBCR0_ICMP) && FIELD_EX64(msr, MSR, DE)) {
hflags |= 1 << HFLAGS_SE;
}
- if ((dbcr0 & DBCR0_BRT) && FIELD_EX64(env->msr, MSR, DE)) {
+ if ((dbcr0 & DBCR0_BRT) && FIELD_EX64(msr, MSR, DE)) {
hflags |= 1 << HFLAGS_BE;
}
} else {
--
2.45.2
- [PATCH v4 0/9] misc ppc improvements/optimizations, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 8/9] target/ppc: combine multiple ail checks into one, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 6/9] target/ppc: optimize p7 exception handling routines, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 7/9] target/ppc: simplify var usage in ppc_next_unmasked_interrupt, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 4/9] target/ppc: optimize p9 exception handling routines, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 1/9] target/ppc: use locally stored msr and avoid indirect access,
Harsh Prateek Bora <=
- [PATCH v4 5/9] target/ppc: optimize p8 exception handling routines, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 3/9] target/ppc: optimize hreg_compute_pmu_hflags_value, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 9/9] target/ppc: reduce duplicate code between init_proc_POWER{9, 10}, Harsh Prateek Bora, 2024/10/10
- [PATCH v4 2/9] target/ppc: optimize hreg_compute_pmu_hflags_value, Harsh Prateek Bora, 2024/10/10