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epiphany.c (epiphany_compute_frame_size): Also reserve space for saving UNKNOWN_REGNUM for leaf functions.

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* config/epiphany/epiphany.c (epiphany_compute_frame_size):
        Also reserve space for saving UNKNOWN_REGNUM for leaf functions.

From-SVN: r201287
This commit is contained in:
Joern Rennecke 2013-07-27 18:41:49 +00:00 • committed by Joern Rennecke
parent 9f1930bea8
commit 4c97f1cc9d
2 changed files with 15 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2013-07-27 Joern Rennecke <joern.rennecke@embecosm.com>
* config/epiphany/epiphany.c (epiphany_compute_frame_size):
Also reserve space for saving UNKNOWN_REGNUM for leaf functions.
2013-07-26 Cary Coutant <ccoutant@google.com>
* dwarf2out.c (die_checksum_ordered): Don't include template

12
gcc/config/epiphany/epiphany.c
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@ -884,6 +884,11 @@ struct epiphany_frame_info
int stld_sz; /* Current load/store data size for offset
adjustment. */
int need_fp; /* value to override "frame_pointer_needed */
/* FIRST_SLOT is the slot that is saved first, at the very start of
the frame, with a POST_MODIFY to allocate the frame, if the size fits,
or at least the parm and register save areas, otherwise.
In the case of a large frame, LAST_SLOT is the slot that is saved last,
with a POST_MODIFY to allocate the rest of the frame. */
int first_slot, last_slot, first_slot_offset, last_slot_offset;
int first_slot_size;
int small_threshold;
@ -1069,7 +1074,10 @@ epiphany_compute_frame_size (int size /* # of var. bytes allocated. */)
to be a lot of code complexity for little gain. */
|| (reg_size > 8 && optimize))
reg_size = EPIPHANY_STACK_ALIGN (reg_size);
if (total_size + reg_size <= (unsigned) epiphany_stack_offset
if (((total_size + reg_size
/* Reserve space for UNKNOWN_REGNUM. */
+ EPIPHANY_STACK_ALIGN (4))
<= (unsigned) epiphany_stack_offset)
&& !interrupt_p
&& crtl->is_leaf && !frame_pointer_needed)
{
@ -1108,7 +1116,7 @@ epiphany_compute_frame_size (int size /* # of var. bytes allocated. */)
if (total_size + reg_size <= (unsigned) epiphany_stack_offset)
{
gcc_assert (first_slot < 0);
gcc_assert (reg_size == 0);
gcc_assert (reg_size == 0 || reg_size == epiphany_stack_offset);
last_slot_offset = EPIPHANY_STACK_ALIGN (total_size + reg_size);
}
else