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sparc: Remove sequence that could trigger B2BST errata

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Daniel Cederman
2017-12-19 13:36:33 +01:00
committed by Daniel Hellstrom
parent e20da8bbf3
commit 1c34a9bd94
1 changed files with 0 additions and 2 deletions
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2
cpukit/score/cpu/sparc/syscall.S
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@@ -212,9 +212,7 @@ SYM(syscall_lazy_fp_switch):
std %f30, [%l5 + SPARC_FP_CONTEXT_OFFSET_F30_F31]
SPARC_LEON3FT_B2BST_NOP
st %fsr, [%l5 + SPARC_FP_CONTEXT_OFFSET_FSR]
SPARC_LEON3FT_B2BST_NOP
st %g0, [%g6 + SPARC_PER_CPU_FP_OWNER_OFFSET]
SPARC_LEON3FT_B2BST_NOP
st %l5, [%l7 + %lo(SPARC_THREAD_CONTROL_REGISTERS_FP_CONTEXT_OFFSET)]
.Lfp_save_done: