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target/arm: SVE brk[ab] merging does not have s bit

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While brk[ab] zeroing has a flags setting option, the merging variant
does not.  Retain the same argument structure, to share expansion but
force the flag zero and do not decode bit 22.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181226215003.31438-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2019-01-07 15:23:45 +00:00 committed by Peter Maydell
parent aad821ac4f
commit 407e6ce7f1
1 changed files with 3 additions and 2 deletions
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5
target/arm/sve.decode
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@ -99,6 +99,7 @@
# Two operand with governing predicate, flags setting
@pd_pg_pn_s ........ . s:1 ...... .. pg:4 . rn:4 . rd:4 &rpr_s
@pd_pg_pn_s0 ........ . . ...... .. pg:4 . rn:4 . rd:4 &rpr_s s=0
# Three operand with unused vector element size
@rd_rn_rm_e0 ........ ... rm:5 ... ... rn:5 rd:5 &rrr_esz esz=0
@ -667,8 +668,8 @@ BRKPB 00100101 0. 00 .... 11 .... 0 .... 1 .... @pd_pg_pn_pm_s
# SVE partition break condition
BRKA_z 00100101 0. 01000001 .... 0 .... 0 .... @pd_pg_pn_s
BRKB_z 00100101 1. 01000001 .... 0 .... 0 .... @pd_pg_pn_s
BRKA_m 00100101 0. 01000001 .... 0 .... 1 .... @pd_pg_pn_s
BRKB_m 00100101 1. 01000001 .... 0 .... 1 .... @pd_pg_pn_s
BRKA_m 00100101 00 01000001 .... 0 .... 1 .... @pd_pg_pn_s0
BRKB_m 00100101 10 01000001 .... 0 .... 1 .... @pd_pg_pn_s0
# SVE propagate break to next partition
BRKN 00100101 0. 01100001 .... 0 .... 0 .... @pd_pg_pn_s