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[PATCH 1/4] target/s390x: Fix LCBB overwriting the top 32 bits
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From: |
Ilya Leoshkevich |
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Subject: |
[PATCH 1/4] target/s390x: Fix LCBB overwriting the top 32 bits |
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Date: |
Fri, 26 May 2023 20:12:37 +0200 |
LCBB is supposed to overwrite only the bottom 32 bits, but QEMU
erroneously overwrites the entire register.
Fixes: 6d9303322ed9 ("s390x/tcg: Implement LOAD COUNT TO BLOCK BOUNDARY")
Cc: qemu-stable@nongnu.org
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
target/s390x/tcg/insn-data.h.inc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc
index bcc70d99ba2..e41672684aa 100644
--- a/target/s390x/tcg/insn-data.h.inc
+++ b/target/s390x/tcg/insn-data.h.inc
@@ -486,7 +486,7 @@
F(0xb343, LCXBR, RRE, Z, x2h, x2l, new_P, x1_P, negf128, f128,
IF_BFP)
F(0xb373, LCDFR, RRE, FPSSH, 0, f2, new, f1, negf64, 0, IF_AFP1 |
IF_AFP2)
/* LOAD COUNT TO BLOCK BOUNDARY */
- C(0xe727, LCBB, RXE, V, la2, 0, r1, 0, lcbb, 0)
+ C(0xe727, LCBB, RXE, V, la2, 0, new, r1_32, lcbb, 0)
/* LOAD HALFWORD */
C(0xb927, LHR, RRE, EI, 0, r2_16s, 0, r1_32, mov2, 0)
C(0xb907, LGHR, RRE, EI, 0, r2_16s, 0, r1, mov2, 0)
--
2.40.1