diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2019-10-24 09:00:41 +0000 |
|---|---|---|
| committer | Ilya Leoshkevich <iii@linux.ibm.com> | 2019-10-24 09:00:41 +0000 |
| commit | 42eaa5dacdeeb0ed0c1eae6025bd607e283ba224 (patch) | |
| tree | 64b72db40707a01c1e287c0ece7f7ba2c7e84cd9 /gcc/testsuite | |
| parent | cbb616e7e4d091ba33621cbc4fc19fd6a731babe (diff) | |
S/390: Use UNSPEC_GET_TP for thread pointer loads
gcc/ChangeLog:
2019-10-24 Ilya Leoshkevich <iii@linux.ibm.com>
* config/s390/s390.c (s390_get_thread_pointer): Use
gen_get_thread_pointer.
(s390_expand_split_stack_prologue): Likewise.
* config/s390/s390.md (UNSPEC_GET_TP): New UNSPEC.
(*get_tp_31): New 31-bit splitter for UNSPEC_GET_TP.
(*get_tp_64): New 64-bit splitter for UNSPEC_GET_TP.
(get_thread_pointer<mode>): Use UNSPEC_GET_TP, use
parameterized name.
gcc/testsuite/ChangeLog:
2019-10-24 Ilya Leoshkevich <iii@linux.ibm.com>
* gcc.target/s390/load-thread-pointer-once-2.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@277368 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/s390/load-thread-pointer-once-2.c | 14 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a752086d4cc..337002bf3e5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2019-10-24 Ilya Leoshkevich <iii@linux.ibm.com> + + * gcc.target/s390/load-thread-pointer-once-2.c: New test. + 2019-10-24 Richard Biener <rguenther@suse.de> * gcc.dg/vect/slp-reduc-9.c: New testcase. diff --git a/gcc/testsuite/gcc.target/s390/load-thread-pointer-once-2.c b/gcc/testsuite/gcc.target/s390/load-thread-pointer-once-2.c new file mode 100644 index 00000000000..36b1ed8800f --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/load-thread-pointer-once-2.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ + +extern void c(void *); + +void a(void) +{ + void *b = __builtin_thread_pointer(); + if (b) + c(b); +} + +/* { dg-final { scan-assembler-times {\n\tear\t} 2 { target { lp64 } } } } */ +/* { dg-final { scan-assembler-times {\n\tear\t} 1 { target { ! lp64 } } } } */ |