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| author | Pat Haugen <pthaugen@us.ibm.com> | 2016-05-24 22:24:16 +0000 |
|---|---|---|
| committer | Pat Haugen <pthaugen@gcc.gnu.org> | 2016-05-24 22:24:16 +0000 |
| commit | 26869fdb471ee8d0fcdcf3d27f5ac5dbadc7b5e0 (patch) | |
| tree | ff6e357633468263bd228a4dc74dd9d866db2794 | |
| parent | b2dc9c3b2012f7bf7bd3e69bac8ea2fd1c470975 (diff) | |
| download | gcc-26869fdb471ee8d0fcdcf3d27f5ac5dbadc7b5e0.zip gcc-26869fdb471ee8d0fcdcf3d27f5ac5dbadc7b5e0.tar.gz gcc-26869fdb471ee8d0fcdcf3d27f5ac5dbadc7b5e0.tar.bz2 | |
lhs-1.c: Fix testcase to avoid subreg changes.
* gcc.target/powerpc/lhs-1.c: Fix testcase to avoid subreg changes.
From-SVN: r236672
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/lhs-1.c | 19 |
2 files changed, 11 insertions, 13 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 39c6b27..a2821a7 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-05-24 Pat Haugen <pthaugen@us.ibm.com> + + PR target/71050 + * gcc.target/powerpc/lhs-1.c: Fix testcase to avoid subreg changes. + 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50436 diff --git a/gcc/testsuite/gcc.target/powerpc/lhs-1.c b/gcc/testsuite/gcc.target/powerpc/lhs-1.c index 4bd8c89..2979711 100644 --- a/gcc/testsuite/gcc.target/powerpc/lhs-1.c +++ b/gcc/testsuite/gcc.target/powerpc/lhs-1.c @@ -4,19 +4,12 @@ /* { dg-options "-O2 -mcpu=power5" } */ /* { dg-final { scan-assembler-times "nop" 3 } } */ -/* Test generation of nops in load hit store situation. */ +/* Test generation of nops in load hit store situation. Make sure enough nop + insns are generated to move the load to a new dispatch group. With the + simple stw/lwz pair below, that would be 3 nop insns for Power5. */ -typedef union { - double val; - struct { - unsigned int w1; - unsigned int w2; - }; -} words; - -unsigned int f (double d, words *u) +unsigned int f (volatile unsigned int *u, unsigned int u2) { - u->val = d; - return u->w2; + *u = u2; + return *u; } - |