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S/390: Fix PR84295

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gcc/ChangeLog:

2018-02-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/PR84295
	* config/s390/s390.c (s390_set_current_function): Invoke
	s390_indirect_branch_settings also if fndecl didn't change.

gcc/testsuite/ChangeLog:

2018-02-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/PR84295
	* gcc.target/s390/pr84295.c: New test.

From-SVN: r257522
This commit is contained in:
Andreas Krebbel 2018-02-09 11:42:34 +00:00 committed by Andreas Krebbel
parent 0805a34d5f
commit c704706201
4 changed files with 29 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-02-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/PR84295
* config/s390/s390.c (s390_set_current_function): Invoke
s390_indirect_branch_settings also if fndecl didn't change.
2018-02-09 Alexandre Oliva <aoliva@redhat.com>
* config/rs6000/rs6000.md (blockage): Set length to zero.

5
gcc/config/s390/s390.c
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@ -16135,7 +16135,10 @@ s390_set_current_function (tree fndecl)
several times in the course of compiling a function, and we don't want to
slow things down too much or call target_reinit when it isn't safe. */
if (fndecl == s390_previous_fndecl)
return;
{
s390_indirect_branch_settings (fndecl);
return;
}
tree old_tree;
if (s390_previous_fndecl == NULL_TREE)

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2018-02-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/PR84295
* gcc.target/s390/pr84295.c: New test.
2018-02-09 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/77522

14
gcc/testsuite/gcc.target/s390/pr84295.c Normal file
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@ -0,0 +1,14 @@
/* { dg-do compile } */
/* { dg-options "-O3 -march=z900 -fgnu89-inline --save-temps -mfunction-return-reg=thunk -mindirect-branch-table" } */
extern void foo (void);
extern __inline void foo (void) {}
void foo (void) {}
/* { dg-final { scan-assembler-times "jg\t__s390_indirect_jump" 1 } } */
/* { dg-final { scan-assembler "ex\t" } } */
/* { dg-final { scan-assembler-not "section\t.s390_indirect_jump" } } */
/* { dg-final { scan-assembler-not "section\t.s390_indirect_call" } } */
/* { dg-final { scan-assembler "section\t.s390_return_reg" } } */
/* { dg-final { scan-assembler-not "section\t.s390_return_mem" } } */