On 07/16/2018 09:48 AM, Ilya Leoshkevich wrote: > This is the counterpart of the i386 feature introduced by > 39a5a6a4: Add direct support for Linux kernel __fentry__ patching. > > On i386 the profiler call sequence always consists of 1 call > instruction, so -mnop-mcount generates a single nop with the same > length as a call. For S/390 longer sequences may be used in some > cases, so -mnop-mcount generates the corresponding amount of nops. > > * gcc/config/s390/s390.c (s390_function_profiler): Generate > nops instead of profiler call sequences. > * gcc/config/s390/s390.opt: Add the new option. > * gcc/testsuite/gcc.target/s390/mnop-mcount-m31-fpic.c: > New testcase. > * gcc/testsuite/gcc.target/s390/mnop-mcount-m31-mzarch.c > New testcase. > * gcc/testsuite/gcc.target/s390/mnop-mcount-m31.c > New testcase. > * gcc/testsuite/gcc.target/s390/mnop-mcount-m64-mfentry.c > New testcase. > * gcc/testsuite/gcc.target/s390/mnop-mcount-m64.c > New testcase.
Applied. Thanks! Andreas
