mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/s390x: Fix assertion failure in VFMIN/VFMAX with type 13

Browse Source 
Type 13 is reserved, so using it should result in specification
exception. Due to an off-by-1 error the code triggers an assertion at a
later point in time instead.

Cc: qemu-stable@nongnu.org
Fixes: da4807527f3b ("s390x/tcg: Implement VECTOR FP (MAXIMUM|MINIMUM)")
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230724082032.66864-8-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit ff537b0370ab5918052b8d8a798e803c47272406)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Ilya Leoshkevich 2023-07-24 10:16:00 +02:00 committed by Michael Tokarev
parent cdd6b6a764
commit c1bdd3cdc4
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/s390x/tcg/translate_vx.c.inc
View File

@ -3192,7 +3192,7 @@ static DisasJumpType op_vfmax(DisasContext *s, DisasOps *o)
const uint8_t m5 = get_field(s, m5);
gen_helper_gvec_3_ptr *fn;
if (m6 == 5 || m6 == 6 || m6 == 7 || m6 > 13) {
if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}