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target-arm: A64: add support for 1-src RBIT insn

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This adds support for the C5.6.147 RBIT instruction.

Signed-off-by: Alexander Graf <agraf@suse.de>
[claudio: adapted to new decoder, use bswap64,
          make RBIT part standalone from the rest of the patch,
	  splitting REV into a separate patch]
Signed-off-by: Claudio Fontana <claudio.fontana@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Alexander Graf 2013-12-17 19:42:35 +00:00 • committed by Peter Maydell
parent 680ead216e
commit 82e14b02a2
3 changed files with 39 additions and 0 deletions
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1
target-arm/helper-a64.h
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@ -19,3 +19,4 @@
DEF_HELPER_FLAGS_2(udiv64, TCG_CALL_NO_RWG_SE, i64, i64, i64)
DEF_HELPER_FLAGS_2(sdiv64, TCG_CALL_NO_RWG_SE, s64, s64, s64)
DEF_HELPER_FLAGS_1(clz64, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(rbit64, TCG_CALL_NO_RWG_SE, i64, i64)