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2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
authorkrebbel <krebbel@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 30 Mar 2010 13:53:10 +0000 (13:53 +0000)
committerkrebbel <krebbel@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 30 Mar 2010 13:53:10 +0000 (13:53 +0000)
commitb437383e2ff84fdc6eca55e52f9928b784ff2206
tree5d882f52e9f05f24e25574be825ca4c24ef599b5
parent72aa8cd5b7c2809765e7c1619278e9c82f615417
2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
stack check if the mask would be zero.

2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* gcc.target/s390/stackcheck1.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@157825 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/config/s390/s390.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.target/s390/stackcheck1.c [new file with mode: 0644]