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[Qemu-devel] [PULL 02/37] target/arm: SVE brk[ab] merging does not have
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 02/37] target/arm: SVE brk[ab] merging does not have s bit |
Date: |
Mon, 7 Jan 2019 16:30:42 +0000 |
From: Richard Henderson <address@hidden>
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 <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Message-id: address@hidden
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
target/arm/sve.decode | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index e10b689454e..4f580a25e70 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -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
address@hidden ........ . . ...... .. 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
--
2.19.2
- [Qemu-devel] [PULL 00/37] target-arm queue, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 02/37] target/arm: SVE brk[ab] merging does not have s bit,
Peter Maydell <=
- [Qemu-devel] [PULL 03/37] hw/cpu: introduce CPU clusters, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 01/37] target/arm: Convert ARM_TBFLAG_* to FIELDs, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 04/37] gdbstub: introduce GDB processes, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 05/37] gdbstub: add multiprocess support to '?' packets, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 06/37] gdbstub: add multiprocess support to 'H' and 'T' packets, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 07/37] gdbstub: add multiprocess support to vCont packets, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 09/37] gdbstub: add multiprocess support to (f|s)ThreadInfo and ThreadExtraInfo, Peter Maydell, 2019/01/07
- [Qemu-devel] [PULL 08/37] gdbstub: add multiprocess support to 'sC' packets, Peter Maydell, 2019/01/07