From 41a1903dd97b3acd1e290c936de4d865d35a0fe4 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Mon, 17 Jan 2022 08:11:48 +0100 Subject: arm: Avoid duplicate move from CPSR Update #4579. --- cpukit/score/cpu/arm/arm_exc_interrupt.S | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/cpukit/score/cpu/arm/arm_exc_interrupt.S b/cpukit/score/cpu/arm/arm_exc_interrupt.S index 82f7a08fb8..a867ee6b48 100644 --- a/cpukit/score/cpu/arm/arm_exc_interrupt.S +++ b/cpukit/score/cpu/arm/arm_exc_interrupt.S @@ -138,9 +138,6 @@ _ARMV4_Exception_interrupt: /* Restore stack pointer */ mov sp, NON_VOLATILE_SCRATCH - /* Save CPSR in non-volatile register */ - mrs NON_VOLATILE_SCRATCH, CPSR - /* Decrement levels and determine thread dispatch state */ eor r1, r1, r12 sub r12, r12, #1 @@ -159,9 +156,11 @@ _ARMV4_Exception_interrupt: cmp r1, #0 bne .Lthread_dispatch_done - /* Thread dispatch */ + /* Save CPSR in non-volatile register */ mrs NON_VOLATILE_SCRATCH, CPSR + /* Thread dispatch */ + .Ldo_thread_dispatch: /* Set ISR dispatch disable and thread dispatch disable level to one */ -- cgit v1.2.3