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(hppa_init_pic_save): Emit the pic offset table reg save after last_parm_insn. 

* (hppa_init_pic_save): Emit the pic offset table
        reg save after last_parm_insn.
        * pa.c (hppa_init_pic_save): New function.
        * pa.h (hppa_init_pic_save): Declare.
        * pa.md (call, call_value, sibcall, sibcall_value): Use
        the above instead of duplicated code.

From-SVN: r39386
This commit is contained in:
Alan Modra 2001-02-01 04:51:24 +00:00 committed by Jeff Law
parent 10d17cb7bd
commit 824e760597
4 changed files with 27 additions and 48 deletions
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7
gcc/ChangeLog
View File

@ -1,5 +1,12 @@
2001-01-31 Alan Modra <alan@linuxcare.com.au>
* (hppa_init_pic_save): Emit the pic offset table
reg save after last_parm_insn.
* pa.c (hppa_init_pic_save): New function.
* pa.h (hppa_init_pic_save): Declare.
* pa.md (call, call_value, sibcall, sibcall_value): Use
the above instead of duplicated code.
* pa.c (hppa_encode_label): Correct size of alloca buffer
so we don't overrun it. Correct leading `*' case.
* pa.h (STRIP_NAME_ENCODING): Simplify now that we don't

15
gcc/config/pa/pa.c
View File

@ -3371,6 +3371,21 @@ hppa_expand_epilogue ()
- actual_fsize);
}
/* Set up a callee saved register for the pic offset table register. */
void hppa_init_pic_save ()
{
rtx insn, picreg;
picreg = gen_rtx_REG (word_mode, PIC_OFFSET_TABLE_REGNUM);
PIC_OFFSET_TABLE_SAVE_RTX = gen_reg_rtx (Pmode);
insn = gen_rtx_SET (VOIDmode, PIC_OFFSET_TABLE_SAVE_RTX, picreg);
/* Emit the insn at the beginning of the function after the prologue. */
push_topmost_sequence ();
emit_insn_after (insn, last_parm_insn ? last_parm_insn : get_insns ());
pop_topmost_sequence ();
}
/* Fetch the return address for the frame COUNT steps up from
the current frame, after the prologue. FRAMEADDR is the
frame pointer of the COUNT frame.

1
gcc/config/pa/pa.h
View File

@ -503,6 +503,7 @@ extern int target_flags;
/* Register into which we save the PIC_OFFSET_TABLE_REGNUM so that it
can be restored across function calls. */
#define PIC_OFFSET_TABLE_SAVE_RTX (cfun->machine->pic_offset_table_save_rtx)
extern void hppa_init_pic_save PARAMS ((void));
#define DEFAULT_PCC_STRUCT_RETURN 0

52
gcc/config/pa/pa.md
View File

@ -5738,18 +5738,7 @@
GEN_INT (64)));
if (flag_pic && PIC_OFFSET_TABLE_SAVE_RTX == NULL_RTX)
{
rtx insn;
PIC_OFFSET_TABLE_SAVE_RTX = gen_reg_rtx (Pmode);
insn = gen_rtx_SET (VOIDmode, PIC_OFFSET_TABLE_SAVE_RTX,
gen_rtx_REG (word_mode, PIC_OFFSET_TABLE_REGNUM));
/* Emit the insn at the beginning of the function after the prologue. */
push_topmost_sequence ();
emit_insn_after (insn, get_insns ());
pop_topmost_sequence ();
}
hppa_init_pic_save ();
/* Use two different patterns for calls to explicitly named functions
and calls through function pointers. This is necessary as these two
@ -5922,18 +5911,7 @@
GEN_INT (64)));
if (flag_pic && PIC_OFFSET_TABLE_SAVE_RTX == NULL_RTX)
{
rtx insn;
PIC_OFFSET_TABLE_SAVE_RTX = gen_reg_rtx (Pmode);
insn = gen_rtx_SET (VOIDmode, PIC_OFFSET_TABLE_SAVE_RTX,
gen_rtx_REG (word_mode, PIC_OFFSET_TABLE_REGNUM));
/* Emit the insn at the beginning of the function after the prologue. */
push_topmost_sequence ();
emit_insn_after (insn, get_insns ());
pop_topmost_sequence ();
}
hppa_init_pic_save ();
/* Use two different patterns for calls to explicitly named functions
and calls through function pointers. This is necessary as these two
@ -6132,18 +6110,7 @@
op = XEXP (operands[0], 0);
if (flag_pic && PIC_OFFSET_TABLE_SAVE_RTX == NULL_RTX)
{
rtx insn;
PIC_OFFSET_TABLE_SAVE_RTX = gen_reg_rtx (Pmode);
insn = gen_rtx_SET (VOIDmode, PIC_OFFSET_TABLE_SAVE_RTX,
gen_rtx_REG (word_mode, PIC_OFFSET_TABLE_REGNUM));
/* Emit the insn at the beginning of the function after the prologue. */
push_topmost_sequence ();
emit_insn_after (insn, get_insns ());
pop_topmost_sequence ();
}
hppa_init_pic_save ();
/* We do not allow indirect sibling calls. */
call_insn = emit_call_insn (gen_sibcall_internal_symref (op, operands[1]));
@ -6201,18 +6168,7 @@
op = XEXP (operands[1], 0);
if (flag_pic && PIC_OFFSET_TABLE_SAVE_RTX == NULL_RTX)
{
rtx insn;
PIC_OFFSET_TABLE_SAVE_RTX = gen_reg_rtx (Pmode);
insn = gen_rtx_SET (VOIDmode, PIC_OFFSET_TABLE_SAVE_RTX,
gen_rtx_REG (word_mode, PIC_OFFSET_TABLE_REGNUM));
/* Emit the insn at the beginning of the function after the prologue. */
push_topmost_sequence ();
emit_insn_after (insn, get_insns ());
pop_topmost_sequence ();
}
hppa_init_pic_save ();
/* We do not allow indirect sibling calls. */
call_insn = emit_call_insn (gen_sibcall_value_internal_symref (operands[0],