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ARCv2: Don't pretend we may set L-bit in STATUS32 with kflag instruction

As per PRM "kflag" instruction doesn't change state of
L-flag ("Zero-Overhead loop disabled") in STATUS32 register
so let's not act as if we can affect this bit.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Alexey Brodkin 7 年之前
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共有 1 个文件被更改,包括 1 次插入1 次删除
  1. 1 1
      arch/arc/include/asm/entry-arcv2.h

+ 1 - 1
arch/arc/include/asm/entry-arcv2.h

@@ -184,7 +184,7 @@
 .macro FAKE_RET_FROM_EXCPN
 	lr      r9, [status32]
 	bic     r9, r9, (STATUS_U_MASK|STATUS_DE_MASK|STATUS_AE_MASK)
-	or      r9, r9, (STATUS_L_MASK|STATUS_IE_MASK)
+	or      r9, r9, STATUS_IE_MASK
 	kflag   r9
 .endm