File 0032-S390-Use-64bit-instruction-to-check-for-copies-of-1M.patch of Package glibc.42654
2016-05-24 Stefan Liebler <stli@linux.vnet.ibm.com> * sysdeps/s390/s390-64/memcpy.S (memcpy): Use cghi instead of chi to compare 64bit value. Index: glibc-2.22/sysdeps/s390/s390-64/memcpy.S =================================================================== --- glibc-2.22.orig/sysdeps/s390/s390-64/memcpy.S +++ glibc-2.22/sysdeps/s390/s390-64/memcpy.S @@ -47,7 +47,7 @@ ENTRY(memcpy) .L_Z900_4: br %r14 .L_Z900_13: - chi %r5,4096 # Switch to mvcle for copies >1MB + cghi %r5,4096 # Switch to mvcle for copies >1MB jh __memcpy_mvcle .L_Z900_12: mvc 0(256,%r1),0(%r3)