[Valgrind-developers] [valgrind] Bug 495817 - s390x: Fix disassembly for SEL[G]R and SELFHR

[Andreas A. <ar...@so...>]

https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=c23ec25e896b06950ac4c677bfe7f2d59c666078

commit c23ec25e896b06950ac4c677bfe7f2d59c666078
Author: Florian Krohm <fl...@ei...>
Date:   Wed Dec 4 16:53:17 2024 +0100

    Bug 495817 - s390x: Fix disassembly for SEL[G]R and SELFHR
    
    The disassemblies of selr, selgr, and selfhr have their register operands
    mixed up, and no extended mnemonics are used.  Fix this.

Diff:
---
 VEX/priv/guest_s390_toIR.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/VEX/priv/guest_s390_toIR.c b/VEX/priv/guest_s390_toIR.c
index 1d889ac32c..b6e8e5997e 100644
--- a/VEX/priv/guest_s390_toIR.c
+++ b/VEX/priv/guest_s390_toIR.c
@@ -3186,7 +3186,7 @@ s390_format_RRF_RURR(const HChar *(*irgen)(UChar, UChar, UChar, UChar),
    const HChar *mnm = irgen(r3, m4, r1, r2);
 
    if (UNLIKELY(vex_traceflags & VEX_TRACE_FE))
-      s390_disasm(ENC5(MNM, GPR, GPR, GPR, UINT), mnm, r1, r3, r2, m4);
+      s390_disasm(ENC4(XMNM, GPR, GPR, GPR), S390_XMNM_CLS, mnm, m4, r1, r2, r3);
 }
 
 static void