aarch64.h (FRAME_GROWS_DOWNWARD): Define to 1.

2013-11-13  Christophe Lyon  <christophe.lyon@linaro.org>

	* config/aarch64/aarch64.h (FRAME_GROWS_DOWNWARD): Define to 1.
	* config/aarch64/aarch64.c (aarch64_initial_elimination_offset):
	Update offset calculations.

From-SVN: r204737
This commit is contained in:
Christophe Lyon 2013-11-13 10:11:00 +00:00 committed by Christophe Lyon
parent bed36869f0
commit 6991c9774a
3 changed files with 11 additions and 4 deletions

View File

@ -1,3 +1,9 @@
2013-11-13 Christophe Lyon <christophe.lyon@linaro.org>
* config/aarch64/aarch64.h (FRAME_GROWS_DOWNWARD): Define to 1.
* config/aarch64/aarch64.c (aarch64_initial_elimination_offset):
Update offset calculations.
2013-11-13 Eric Botcazou <ebotcazou@adacore.com>
PR ada/35998

View File

@ -2010,7 +2010,7 @@ aarch64_save_or_restore_callee_save_registers (HOST_WIDE_INT offset,
Establish the stack frame by decreasing the stack pointer with a
properly calculated size and, if necessary, create a frame record
filled with the values of LR and previous frame pointer. The
current FP is also set up is it is in use. */
current FP is also set up if it is in use. */
void
aarch64_expand_prologue (void)
@ -4143,7 +4143,7 @@ aarch64_initial_elimination_offset (unsigned from, unsigned to)
return offset - crtl->outgoing_args_size;
if (from == FRAME_POINTER_REGNUM)
return cfun->machine->frame.saved_regs_size;
return cfun->machine->frame.saved_regs_size + get_frame_size ();
}
if (to == STACK_POINTER_REGNUM)
@ -4152,6 +4152,7 @@ aarch64_initial_elimination_offset (unsigned from, unsigned to)
{
HOST_WIDE_INT elim = crtl->outgoing_args_size
+ cfun->machine->frame.saved_regs_size
+ get_frame_size ()
- cfun->machine->frame.fp_lr_offset;
elim = AARCH64_ROUND_UP (elim, STACK_BOUNDARY / BITS_PER_UNIT);
return elim;

View File

@ -443,7 +443,7 @@ enum reg_class
#define INDEX_REG_CLASS CORE_REGS
#define BASE_REG_CLASS POINTER_REGS
/* Register pairs used to eliminate unneeded registers that point intoi
/* Register pairs used to eliminate unneeded registers that point into
the stack frame. */
#define ELIMINABLE_REGS \
{ \
@ -484,7 +484,7 @@ extern enum aarch64_processor aarch64_tune;
/* Stack layout; function entry, exit and calling. */
#define STACK_GROWS_DOWNWARD 1
#define FRAME_GROWS_DOWNWARD 0
#define FRAME_GROWS_DOWNWARD 1
#define STARTING_FRAME_OFFSET 0