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| author | Dominik Vogt <vogt@linux.vnet.ibm.com> | 2015-11-20 07:36:07 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2015-11-20 07:36:07 +0000 |
| commit | af344a30f80436c7ad88034221f55070b9ae1325 (patch) | |
| tree | 15eae77bb1d9aa92aedf7f1b6c942a3a9f95b69f /gcc/testsuite | |
| parent | cf0347ae4c15e3435225e3285bfcb6ed3bf044b1 (diff) | |
| download | gcc-af344a30f80436c7ad88034221f55070b9ae1325.zip gcc-af344a30f80436c7ad88034221f55070b9ae1325.tar.gz gcc-af344a30f80436c7ad88034221f55070b9ae1325.tar.bz2 | |
S/390: Clobber r1 in patterns resulting in pfpo instruction.
gcc/ChangeLog
* config/s390/s390.md (GPR1_REGNUM): New constant.
("*trunc<BFP:mode><DFP_ALL:mode>2")
("*trunc<DFP_ALL:mode><BFP:mode>2")
("trunc<BFP:mode><DFP_ALL:mode>2")
("trunc<DFP_ALL:mode><BFP:mode>2")
("*extend<BFP:mode><DFP_ALL:mode>2")
("*extend<DFP_ALL:mode><BFP:mode>2")
("extend<BFP:mode><DFP_ALL:mode>2")
("extend<DFP_ALL:mode><BFP:mode>2"): Clobber r1.
gcc/testsuite/ChangeLog
* gcc.target/s390/pfpo.c: New test.
From-SVN: r230642
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/s390/pfpo.c | 21 |
2 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c8a7238..247aa3a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2015-11-20 Dominik Vogt <vogt@linux.vnet.ibm.com> + + * gcc.target/s390/pfpo.c: New test. + 2015-11-20 Kirill Yukhin <kirill.yukhin@intel.com> * c-c++-common/attr-simd-3.c: Put xfail (PR68158) on dg-error. diff --git a/gcc/testsuite/gcc.target/s390/pfpo.c b/gcc/testsuite/gcc.target/s390/pfpo.c new file mode 100644 index 0000000..32725c9 --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/pfpo.c @@ -0,0 +1,21 @@ +/* The pfpo instruction generated by this code clobbers the r1 register while + it was still in use. */ + +/* { dg-do run } */ +/* { dg-options "-O0 -march=z10 -mzarch" } */ + +int foo(int x) +{ + return x; +} + +int bar(int i, float f) +{ + return i; +} + +int main() +{ + _Decimal32 d = 7; + return bar(foo(0x10203040), (float)d) == 0x10203040 ? 0 : 1; +} |