ARM: entry: abort-macro: simplify do_ldrd_abort
We can test bits 27:25 and 20 of the instruction at the same time;
there's no need to separate out the check of bit 20.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/abort-macro.S b/arch/arm/mm/abort-macro.S
index 8d3b9f9..af97a10 100644
--- a/arch/arm/mm/abort-macro.S
+++ b/arch/arm/mm/abort-macro.S
@@ -30,12 +30,10 @@
* [20] == 0
*/
.macro do_ldrd_abort, tmp, insn
- tst \insn, #0x0e000000 @ [27:25] == 0
+ tst \insn, #0x0e100000 @ [27:25,20] == 0
bne not_ldrd
and \tmp, \insn, #0x000000f0 @ [7:4] == 1101
cmp \tmp, #0x000000d0
- bne not_ldrd
- tst \insn, #1 << 20 @ [20] == 0
moveq pc, lr
not_ldrd:
.endm