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pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead of depending on a magic constant value.

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* pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
        of depending on a magic constant value.  Update comments.
        (hppa_expand_prologue): Similarly.

From-SVN: r28356
This commit is contained in:
Jeffrey A Law 1999-07-31 10:27:42 +00:00 committed by Jeff Law
parent 1984b4afd6
commit 6261ede720
2 changed files with 29 additions and 4 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
* pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
of depending on a magic constant value. Update comments.
(hppa_expand_prologue): Similarly.
* pa.md (reload_indi, reload_outdi): Allow any register for the
original reload register.

29
gcc/config/pa/pa.c
View File

@ -2593,10 +2593,14 @@ compute_frame_size (size, fregs_live)
extern int current_function_outgoing_args_size;
int i, fsize;
/* 8 is space for frame pointer + filler. If any frame is allocated
we need to add this in because of STARTING_FRAME_OFFSET. */
fsize = size + (size || frame_pointer_needed ? 8 : 0);
/* Space for frame pointer + filler. If any frame is allocated
we need to add this in because of STARTING_FRAME_OFFSET.
Similar code also appears in hppa_expand_prologue. Change both
of them at the same time. */
fsize = size + (size || frame_pointer_needed ? STARTING_FRAME_OFFSET : 0);
/* Account for space used by the callee general register saves. */
for (i = 18; i >= 3; i--)
if (regs_ever_live[i])
fsize += UNITS_PER_WORD;
@ -2604,16 +2608,25 @@ compute_frame_size (size, fregs_live)
/* Round the stack. */
fsize = (fsize + 7) & ~7;
/* Account for space used by the callee floating point register saves. */
for (i = 66; i >= 48; i -= 2)
if (regs_ever_live[i] || regs_ever_live[i + 1])
{
if (fregs_live)
*fregs_live = 1;
/* We always save both halves of the FP register, so always
increment the frame size by 8 bytes. */
fsize += 8;
}
/* The various ABIs include space for the outgoing parameters in the
size of the current function's stack frame. */
fsize += current_function_outgoing_args_size;
/* Allocate space for the fixed frame marker. This space must be
allocated for any function that makes calls or otherwise allocates
stack space. */
if (! leaf_function_p () || fsize)
fsize += 32;
return (fsize + STACK_BOUNDARY - 1) & ~(STACK_BOUNDARY - 1);
@ -2703,7 +2716,15 @@ hppa_expand_prologue()
gr_saved = 0;
fr_saved = 0;
save_fregs = 0;
local_fsize = size + (size || frame_pointer_needed ? 8 : 0);
/* Allocate space for frame pointer + filler. If any frame is allocated
we need to add this in because of STARTING_FRAME_OFFSET.
Similar code also appears in compute_frame_size. Change both
of them at the same time. */
local_fsize = size + (size || frame_pointer_needed
? STARTING_FRAME_OFFSET : 0);
actual_fsize = compute_frame_size (size, &save_fregs);
/* Compute a few things we will use often. */