On 05/06/2019 21:22, Maksim E. Kozlov wrote:
---
cpukit/score/cpu/sparc/cpu_asm.S | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/cpukit/score/cpu/sparc/cpu_asm.S b/cpukit/score/cpu/sparc/cpu_asm.S
index 2f3ad24510..69bbfb2748 100644
--- a/cpukit/score/cpu/sparc/cpu_asm.S
+++ b/cpukit/score/cpu/sparc/cpu_asm.S
@@ -682,10 +682,11 @@ isr_dispatch:
ld [%g6 + SPARC_PER_CPU_FP_OWNER_OFFSET], %l7
cmp %l6, %l7
bne .Ldisable_fp
- andn %l0, %l5, %l0
+ nop
Wouldn't it be sufficient to change this to
bne,a .Ldisable_fp
andn %l0, %l5, %l0
?
ba .Lthread_dispatch_done
st %g0, [%g6 + SPARC_PER_CPU_FP_OWNER_OFFSET]
.Ldisable_fp:
+ andn %l0, %l5, %l0
ba .Lthread_dispatch_done
st %l0, [%fp + ISF_PSR_OFFSET]
.Lnon_fp_thread_dispatch:
--
Sebastian Huber, embedded brains GmbH
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