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s390.c (s390_sr_alias_set): Variable removed. 

2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_sr_alias_set): Variable removed.
	(override_options): Setting s390_sr_alias_set removed.
	(save_fpr, save_gprs): Set alias set to vararg or frame.
	(restore_fpr, restore_gprs, s390_emit_prologue): Replace
	s390_sr_alias_set with get_frame_alias_set ().
	(s390_gimplify_va_arg): Replace s390_sr_alias_set with
	get_varargs_alias_set ().

From-SVN: r104034
This commit is contained in:
Andreas Krebbel 2005-09-08 13:55:30 +00:00 committed by Andreas Krebbel
parent d95036e3f8
commit dcc9eb26a3
2 changed files with 31 additions and 14 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.c (s390_sr_alias_set): Variable removed.
(override_options): Setting s390_sr_alias_set removed.
(save_fpr, save_gprs): Set alias set to vararg or frame.
(restore_fpr, restore_gprs, s390_emit_prologue): Replace
s390_sr_alias_set with get_frame_alias_set ().
(s390_gimplify_va_arg): Replace s390_sr_alias_set with
get_varargs_alias_set ().
2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
PR objc/20574

35
gcc/config/s390/s390.c
View File

@ -186,9 +186,6 @@ struct processor_costs z9_109_cost =
extern int reload_completed;
/* The alias set for prologue/epilogue register save/restore. */
static int s390_sr_alias_set = 0;
/* Save information from a "cmpxx" operation until the branch or scc is
emitted. */
rtx s390_compare_op0, s390_compare_op1;
@ -1296,9 +1293,6 @@ s390_handle_option (size_t code, const char *arg, int value ATTRIBUTE_UNUSED)
void
override_options (void)
{
/* Acquire a unique set number for our register saves and restores. */
s390_sr_alias_set = new_alias_set ();
/* Set up function hooks. */
init_machine_status = s390_init_machine_status;
@ -6272,7 +6266,11 @@ save_fpr (rtx base, int offset, int regnum)
{
rtx addr;
addr = gen_rtx_MEM (DFmode, plus_constant (base, offset));
set_mem_alias_set (addr, s390_sr_alias_set);
if (regnum >= 16 && regnum <= (16 + FP_ARG_NUM_REG))
set_mem_alias_set (addr, get_varargs_alias_set ());
else
set_mem_alias_set (addr, get_frame_alias_set ());
return emit_move_insn (addr, gen_rtx_REG (DFmode, regnum));
}
@ -6285,7 +6283,7 @@ restore_fpr (rtx base, int offset, int regnum)
{
rtx addr;
addr = gen_rtx_MEM (DFmode, plus_constant (base, offset));
set_mem_alias_set (addr, s390_sr_alias_set);
set_mem_alias_set (addr, get_frame_alias_set ());
return emit_move_insn (gen_rtx_REG (DFmode, regnum), addr);
}
@ -6302,7 +6300,8 @@ save_gprs (rtx base, int offset, int first, int last)
addr = plus_constant (base, offset);
addr = gen_rtx_MEM (Pmode, addr);
set_mem_alias_set (addr, s390_sr_alias_set);
set_mem_alias_set (addr, get_frame_alias_set ());
/* Special-case single register. */
if (first == last)
@ -6321,6 +6320,14 @@ save_gprs (rtx base, int offset, int first, int last)
gen_rtx_REG (Pmode, first),
GEN_INT (last - first + 1));
if (first <= 6 && current_function_stdarg)
for (i = 0; i < XVECLEN (PATTERN (insn), 0); i++)
{
rtx mem = XEXP (XVECEXP (PATTERN (insn), 0, i), 0);
if (first + i <= 6)
set_mem_alias_set (mem, get_varargs_alias_set ());
}
/* We need to set the FRAME_RELATED flag on all SETs
inside the store-multiple pattern.
@ -6377,7 +6384,7 @@ restore_gprs (rtx base, int offset, int first, int last)
addr = plus_constant (base, offset);
addr = gen_rtx_MEM (Pmode, addr);
set_mem_alias_set (addr, s390_sr_alias_set);
set_mem_alias_set (addr, get_frame_alias_set ());
/* Special-case single register. */
if (first == last)
@ -6617,7 +6624,7 @@ s390_emit_prologue (void)
cfun_frame_layout.backchain_offset));
else
addr = gen_rtx_MEM (Pmode, stack_pointer_rtx);
set_mem_alias_set (addr, s390_sr_alias_set);
set_mem_alias_set (addr, get_frame_alias_set ());
insn = emit_insn (gen_move_insn (addr, temp_reg));
}
@ -6836,7 +6843,7 @@ s390_emit_epilogue (bool sibcall)
+ (i - cfun_frame_layout.first_save_gpr)
* UNITS_PER_WORD);
addr = gen_rtx_MEM (Pmode, addr);
set_mem_alias_set (addr, s390_sr_alias_set);
set_mem_alias_set (addr, get_frame_alias_set ());
emit_move_insn (addr, gen_rtx_REG (Pmode, i));
}
}
@ -6861,7 +6868,7 @@ s390_emit_epilogue (bool sibcall)
- cfun_frame_layout.first_save_gpr)
* UNITS_PER_WORD);
addr = gen_rtx_MEM (Pmode, addr);
set_mem_alias_set (addr, s390_sr_alias_set);
set_mem_alias_set (addr, get_frame_alias_set ());
emit_move_insn (return_reg, addr);
}
}
@ -7399,7 +7406,7 @@ s390_gimplify_va_arg (tree valist, tree type, tree *pre_p,
lab_false = create_artificial_label ();
lab_over = create_artificial_label ();
addr = create_tmp_var (ptr_type_node, "addr");
DECL_POINTER_ALIAS_SET (addr) = s390_sr_alias_set;
DECL_POINTER_ALIAS_SET (addr) = get_varargs_alias_set ();
t = fold_convert (TREE_TYPE (reg), size_int (max_reg));
t = build2 (GT_EXPR, boolean_type_node, reg, t);