diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-07-11 09:26:23 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-07-11 09:26:23 +0000 |
| commit | c4fc130da7001f609228d3fd1e8ad962c70c7320 (patch) | |
| tree | c367ec799615abc00c4914f6976a6f2f257f3824 /gcc | |
| parent | f17796f74ed0436521524cf139cd429b7aeeed4a (diff) | |
PR target/40668
* function.c (assign_parm_setup_stack): Adjust
MEM_OFFSET (data->stack_parm) if promoted_mode is different
from nominal_mode on big endian.
* gcc.c-torture/execute/pr40668.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_4-branch@149512 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/function.c | 14 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr40668.c | 35 |
4 files changed, 58 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d65b5c286cd..23a721d73d0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2009-07-11 Jakub Jelinek <jakub@redhat.com> + + PR target/40668 + * function.c (assign_parm_setup_stack): Adjust + MEM_OFFSET (data->stack_parm) if promoted_mode is different + from nominal_mode on big endian. + 2009-07-08 Richard Henderson <rth@redhat.com> PR target/38900 diff --git a/gcc/function.c b/gcc/function.c index e8d99015e4d..b68beb60719 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -2977,9 +2977,17 @@ assign_parm_setup_stack (struct assign_parm_data_all *all, tree parm, TYPE_UNSIGNED (TREE_TYPE (parm))); if (data->stack_parm) - /* ??? This may need a big-endian conversion on sparc64. */ - data->stack_parm - = adjust_address (data->stack_parm, data->nominal_mode, 0); + { + int offset = subreg_lowpart_offset (data->nominal_mode, + GET_MODE (data->stack_parm)); + /* ??? This may need a big-endian conversion on sparc64. */ + data->stack_parm + = adjust_address (data->stack_parm, data->nominal_mode, 0); + if (offset && MEM_OFFSET (data->stack_parm)) + set_mem_offset (data->stack_parm, + plus_constant (MEM_OFFSET (data->stack_parm), + offset)); + } } if (data->entry_parm != data->stack_parm) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 28ce702525e..9c018131d30 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-07-11 Jakub Jelinek <jakub@redhat.com> + + PR target/40668 + * gcc.c-torture/execute/pr40668.c: New test. + 2009-07-10 Jakub Jelinek <jakub@redhat.com> PR c++/40502 diff --git a/gcc/testsuite/gcc.c-torture/execute/pr40668.c b/gcc/testsuite/gcc.c-torture/execute/pr40668.c new file mode 100644 index 00000000000..70fe63f8916 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr40668.c @@ -0,0 +1,35 @@ +static void +foo (unsigned int x, void *p) +{ + __builtin_memcpy (p, &x, sizeof x); +} + +void +bar (int type, void *number) +{ + switch (type) + { + case 1: + foo (0x12345678, number); + break; + case 7: + foo (0, number); + break; + case 8: + foo (0, number); + break; + case 9: + foo (0, number); + break; + } +} + +int +main (void) +{ + unsigned int x; + bar (1, &x); + if (x != 0x12345678) + __builtin_abort (); + return 0; +} |