On 12/2/20 4:08 PM, Ilya Leoshkevich wrote: > Bootstrapped and regtested on s390x-redhat-linux. Ok for master? > > v1: https://gcc.gnu.org/pipermail/gcc-patches/2020-December/560822.html > > v1 -> v2: > - Use SYMBOL_REF_P. > - Fix usage of gcc_assert. > - Use GEN_INT. > > > > Currently GCC loads large immediates into GPRs from the literal pool, > which is not as efficient as loading two halves with llihf and oilf. > > gcc/ChangeLog: > > 2020-11-30 Ilya Leoshkevich <i...@linux.ibm.com> > > * config/s390/s390-protos.h (s390_const_int_pool_entry_p): New > function. > * config/s390/s390.c (s390_const_int_pool_entry_p): New > function. > * config/s390/s390.md: Add define_peephole2 that produces llihf > and oilf. > > gcc/testsuite/ChangeLog: > > 2020-11-30 Ilya Leoshkevich <i...@linux.ibm.com> > > * gcc.target/s390/load-imm64-1.c: New test. > * gcc.target/s390/load-imm64-2.c: New test.
Ok. Thanks! Andreas
