diff options
| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-11 17:17:57 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-09-11 17:17:57 +0000 |
| commit | 55e222a1225edf97750df9394777204c176634c4 (patch) | |
| tree | 0898fb2ad51a3a9d37d60922945a0babe332cdb6 /gcc/reload1.c | |
| parent | 8b9d7fb507a59f693d1188d5098f5e42cc7cafd7 (diff) | |
| download | gcc-55e222a1225edf97750df9394777204c176634c4.tar.gz | |
* reload1.c (alter_reg): Undo the BYTE_BIG_ENDIAN correction performed
by assign_stack_local on the IRA path for stack slot sharing as well
as the non-IRA path.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140295 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 1ea41091260..93457c162c0 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -2176,18 +2176,28 @@ alter_reg (int i, int from_reg, bool dont_share_p) inherent space, and no less total space, then the previous slot. */ else if (from_reg == -1 || (! dont_share_p && flag_ira && optimize)) { + rtx stack_slot; alias_set_type alias_set = new_alias_set (); /* No known place to spill from => no slot to reuse. */ x = assign_stack_local (mode, total_size, min_align > inherent_align || total_size > inherent_size ? -1 : 0); + + stack_slot = x; + if (BYTES_BIG_ENDIAN) /* Cancel the big-endian correction done in assign_stack_local. Get the address of the beginning of the slot. This is so we can do a big-endian correction unconditionally below. */ adjust = inherent_size - total_size; + if (adjust) + stack_slot + = adjust_address_nv (x, mode_for_size (total_size + * BITS_PER_UNIT, + MODE_INT, 1), + adjust); /* Nothing can alias this slot except this pseudo. */ set_mem_alias_set (x, alias_set); @@ -2195,7 +2205,7 @@ alter_reg (int i, int from_reg, bool dont_share_p) if (! dont_share_p && flag_ira && optimize) /* Inform IRA about allocation a new stack slot. */ - ira_mark_new_stack_slot (x, i, total_size); + ira_mark_new_stack_slot (stack_slot, i, total_size); } /* Reuse a stack slot if possible. */ |