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PR middle-end/PR28690

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PR middle-end/PR28690
	* rtlanal.c: Update copyright years.
	(commutative_operand_precedence): Give SYMBOL_REF's the same precedence
	as REG_POINTER and MEM_POINTER operands.
	* emit-rtl.c (gen_reg_rtx_and_attrs): New function.
	(set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
	* rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
	* gcse.c: Update copyright years.
	(pre_delete): Call gen_reg_rtx_and_attrs.
	(hoist_code): Likewise.
	(build_store_vectors): Likewise.
	(delete_store): Likewise.
	* loop-invariant.c (move_invariant_reg): Likewise.
	Update copyright years.

From-SVN: r133985
This commit is contained in:
Peter Bergner 2008-04-07 12:36:59 -05:00 committed by Peter Bergner
parent 64ef8953e3
commit 46b71b0354
6 changed files with 54 additions and 14 deletions
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17
gcc/ChangeLog
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@ -1,3 +1,20 @@
2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
PR middle-end/PR28690
* rtlanal.c: Update copyright years.
(commutative_operand_precedence): Give SYMBOL_REF's the same precedence
as REG_POINTER and MEM_POINTER operands.
* emit-rtl.c (gen_reg_rtx_and_attrs): New function.
(set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
* rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
* gcse.c: Update copyright years.
(pre_delete): Call gen_reg_rtx_and_attrs.
(hoist_code): Likewise.
(build_store_vectors): Likewise.
(delete_store): Likewise.
* loop-invariant.c (move_invariant_reg): Likewise.
Update copyright years.
2008-04-07 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output

31
gcc/emit-rtl.c
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@ -964,11 +964,32 @@ set_reg_attrs_from_value (rtx reg, rtx x)
int offset;
offset = byte_lowpart_offset (GET_MODE (reg), GET_MODE (x));
if (MEM_P (x) && MEM_OFFSET (x) && GET_CODE (MEM_OFFSET (x)) == CONST_INT)
REG_ATTRS (reg)
= get_reg_attrs (MEM_EXPR (x), INTVAL (MEM_OFFSET (x)) + offset);
if (REG_P (x) && REG_ATTRS (x))
update_reg_offset (reg, x, offset);
if (MEM_P (x))
{
if (MEM_OFFSET (x) && GET_CODE (MEM_OFFSET (x)) == CONST_INT)
REG_ATTRS (reg)
= get_reg_attrs (MEM_EXPR (x), INTVAL (MEM_OFFSET (x)) + offset);
if (MEM_POINTER (x))
mark_reg_pointer (reg, MEM_ALIGN (x));
}
else if (REG_P (x))
{
if (REG_ATTRS (x))
update_reg_offset (reg, x, offset);
if (REG_POINTER (x))
mark_reg_pointer (reg, REGNO_POINTER_ALIGN (REGNO (x)));
}
}
/* Generate a REG rtx for a new pseudo register, copying the mode
and attributes from X. */
rtx
gen_reg_rtx_and_attrs (rtx x)
{
rtx reg = gen_reg_rtx (GET_MODE (x));
set_reg_attrs_from_value (reg, x);
return reg;
}
/* Set the register attributes for registers contained in PARM_RTX.

11
gcc/gcse.c
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@ -1,7 +1,7 @@
/* Global common subexpression elimination/Partial redundancy elimination
and global constant/copy propagation for GNU compiler.
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007 Free Software Foundation, Inc.
2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
@ -4463,8 +4463,7 @@ pre_delete (void)
expressions into. Get the mode for the new pseudo from
the mode of the original destination pseudo. */
if (expr->reaching_reg == NULL)
expr->reaching_reg
= gen_reg_rtx (GET_MODE (SET_DEST (set)));
expr->reaching_reg = gen_reg_rtx_and_attrs (SET_DEST (set));
gcse_emit_move_after (expr->reaching_reg, SET_DEST (set), insn);
delete_insn (insn);
@ -4988,7 +4987,7 @@ hoist_code (void)
from the mode of the original destination pseudo. */
if (expr->reaching_reg == NULL)
expr->reaching_reg
= gen_reg_rtx (GET_MODE (SET_DEST (set)));
= gen_reg_rtx_and_attrs (SET_DEST (set));
gcse_emit_move_after (expr->reaching_reg, SET_DEST (set), insn);
delete_insn (insn);
@ -6121,7 +6120,7 @@ build_store_vectors (void)
are any side effects. */
if (TEST_BIT (ae_gen[bb->index], ptr->index))
{
rtx r = gen_reg_rtx (GET_MODE (ptr->pattern));
rtx r = gen_reg_rtx_and_attrs (ptr->pattern);
if (dump_file)
fprintf (dump_file, "Removing redundant store:\n");
replace_store_insn (r, XEXP (st, 0), bb, ptr);
@ -6444,7 +6443,7 @@ delete_store (struct ls_expr * expr, basic_block bb)
rtx reg, i, del;
if (expr->reaching_reg == NULL_RTX)
expr->reaching_reg = gen_reg_rtx (GET_MODE (expr->pattern));
expr->reaching_reg = gen_reg_rtx_and_attrs (expr->pattern);
reg = expr->reaching_reg;

4
gcc/loop-invariant.c
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@ -1,5 +1,5 @@
/* RTL-level loop invariant motion.
Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
@ -1193,7 +1193,7 @@ move_invariant_reg (struct loop *loop, unsigned invno)
need to create a temporary register. */
set = single_set (inv->insn);
dest = SET_DEST (set);
reg = gen_reg_rtx (GET_MODE (dest));
reg = gen_reg_rtx_and_attrs (dest);
/* Try replacing the destination by a new pseudoregister. */
if (!validate_change (inv->insn, &SET_DEST (set), reg, false))

1
gcc/rtl.h
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@ -1502,6 +1502,7 @@ extern rtvec gen_rtvec_v (int, rtx *);
extern rtx gen_reg_rtx (enum machine_mode);
extern rtx gen_rtx_REG_offset (rtx, enum machine_mode, unsigned int, int);
extern rtx gen_reg_rtx_offset (rtx, enum machine_mode, int);
extern rtx gen_reg_rtx_and_attrs (rtx);
extern rtx gen_label_rtx (void);
extern rtx gen_lowpart_common (enum machine_mode, rtx);

4
gcc/rtlanal.c
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@ -1,6 +1,6 @@
/* Analyze RTL for GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
Foundation, Inc.
This file is part of GCC.
@ -2898,6 +2898,8 @@ commutative_operand_precedence (rtx op)
switch (GET_RTX_CLASS (code))
{
case RTX_CONST_OBJ:
if (code == SYMBOL_REF)
return -1;
if (code == CONST_INT)
return -6;
if (code == CONST_DOUBLE)