From 079181b9bc60389e106009a1530d3cc42256f567 Mon Sep 17 00:00:00 2001 From: Ilya Leoshkevich Date: Fri, 26 May 2023 20:12:37 +0200 Subject: [PATCH] target/s390x: Fix LCBB overwriting the top 32 bits 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 Message-Id: <20230526181240.1425579-2-iii@linux.ibm.com> Reviewed-by: Richard Henderson Reviewed-by: David Hildenbrand Signed-off-by: Thomas Huth --- 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 bcc70d99ba..e41672684a 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)