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| author | Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | 2014-03-27 15:38:29 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2014-03-27 15:38:29 +0000 |
| commit | 6e77facf95d5a2f42afc26d505a5771f5d2a7e7d (patch) | |
| tree | 2ca0ac0e4dada8c049c2be1623704d083ff78ff6 | |
| parent | ba1925c3688053d6279e6c12d1689ebb13fb5128 (diff) | |
| download | gcc-6e77facf95d5a2f42afc26d505a5771f5d2a7e7d.zip gcc-6e77facf95d5a2f42afc26d505a5771f5d2a7e7d.tar.gz gcc-6e77facf95d5a2f42afc26d505a5771f5d2a7e7d.tar.bz2 | |
s390.c (s390_can_use_return_insn): Check for call-saved FPRs on 31 bit.
2014-03-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.c (s390_can_use_return_insn): Check for
call-saved FPRs on 31 bit.
2014-03-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.target/s390/20140327-1.c: New testcase.
From-SVN: r208867
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/s390/20140327-1.c | 10 |
4 files changed, 26 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fb61812..674f3a44 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-03-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (s390_can_use_return_insn): Check for + call-saved FPRs on 31 bit. + 2014-03-27 Jakub Jelinek <jakub@redhat.com> PR middle-end/60682 diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 7a79286..bdb577c 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -9225,6 +9225,13 @@ s390_can_use_return_insn (void) if (cfun_gpr_save_slot (i)) return false; + /* For 31 bit this is not covered by the frame_size check below + since f4, f6 are saved in the register save area without needing + additional stack space. */ + if (!TARGET_64BIT + && (cfun_fpr_save_p (FPR4_REGNUM) || cfun_fpr_save_p (FPR6_REGNUM))) + return false; + if (cfun->machine->base_reg && !call_really_used_regs[REGNO (cfun->machine->base_reg)]) return false; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c2a13d9..bcdaa3d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2014-03-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * gcc.target/s390/20140327-1.c: New testcase. + 2014-03-27 Jakub Jelinek <jakub@redhat.com> PR middle-end/60682 diff --git a/gcc/testsuite/gcc.target/s390/20140327-1.c b/gcc/testsuite/gcc.target/s390/20140327-1.c new file mode 100644 index 0000000..f71c38f --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/20140327-1.c @@ -0,0 +1,10 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -m31 -mzarch" } */ + +void +foo () +{ + asm ("" ::: "%f4"); +} + +/* { dg-final { scan-assembler "ld" } } */ |