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IBM Z: zTPF: Prevent FPR usage
authorAndreas Krebbel <krebbel@linux.ibm.com>
Wed, 4 Mar 2020 12:29:39 +0000 (13:29 +0100)
committerAndreas Krebbel <krebbel@linux.ibm.com>
Wed, 4 Mar 2020 12:52:28 +0000 (13:52 +0100)
commit14cb388b743ba1222da261926d3b0934d695deb2
treeaf9c2072e65a3631d348c8e71f4ac2085e7b5513tree
parent0993851dc131608a49da294a9ca7dd102df349abcommit | diff
IBM Z: zTPF: Prevent FPR usage

For the zTPF we must not use floating point registers.

gcc/ChangeLog:

2020-03-04  Andreas Krebbel  <krebbel@linux.ibm.com>

* config/s390/s390.c (s390_secondary_memory_needed): Disallow
direct FPR-GPR copies.
(s390_register_info_gprtofpr): Disallow GPR content to be saved in
FPRs.
gcc/config/s390/s390.c diff | blob | history