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riscv-gcc-1
Commit b9404c99 by Ulrich Weigand Committed by Ulrich Weigand
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s390.md ("movstr_short_64", [...]): Merge ... 

	* config/s390/s390.md ("movstr_short_64", "movstr_short_31"): Merge ...
	("*movstr_short"): ... into this insn pattern.
	("movstr_short"): New expander.
	("*movstr_long_64"): Rename from "movstr_long_64", simplify.
	("*movstr_long_31"): Rename from "movstr_long_31", simplify.
	("movstr_long"): New expander.
	("clrstr_short_64", "clrstr_short_31"): Merge ...
	("*clrstr_short"): ... into this insn pattern.
	("clrstr_short"): New expander.
	("*clrstr_long_64"): Rename from "clrstr_long_64", simplify.
	("*clrstr_long_31"): Rename from "clrstr_long_31", simplify.
	("clrstr_long"): New expander.
	("cmpmem_short_64", "cmpmem_short_31"): Merge ...
	("*cmpmem_short"): ... into this insn pattern.
	("cmpmem_short"): New expander.
	("*cmpmem_long_64"): Rename from "cmpmem_long_64".
	("*cmpmem_long_31"): Rename from "cmpmem_long_31".
	("cmpmem_long"): New expander.
	* config/s390/s390.c (s390_expand_movstr): Use new expanders.
	(s390_expand_clrstr): Likewise.
	(s390_expand_cmpmem): Likewise.

From-SVN: r72807
parent 3d05b345
Showing with 41 additions and 69 deletions
gcc/ChangeLog
2003-10-22 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390.md ("movstr_short_64", "movstr_short_31"): Merge ...
("*movstr_short"): ... into this insn pattern.
("movstr_short"): New expander.
("*movstr_long_64"): Rename from "movstr_long_64", simplify.
("*movstr_long_31"): Rename from "movstr_long_31", simplify.
("movstr_long"): New expander.
("clrstr_short_64", "clrstr_short_31"): Merge ...
("*clrstr_short"): ... into this insn pattern.
("clrstr_short"): New expander.
("*clrstr_long_64"): Rename from "clrstr_long_64", simplify.
("*clrstr_long_31"): Rename from "clrstr_long_31", simplify.
("clrstr_long"): New expander.
("cmpmem_short_64", "cmpmem_short_31"): Merge ...
("*cmpmem_short"): ... into this insn pattern.
("cmpmem_short"): New expander.
("*cmpmem_long_64"): Rename from "cmpmem_long_64".
("*cmpmem_long_31"): Rename from "cmpmem_long_31".
("cmpmem_long"): New expander.
* config/s390/s390.c (s390_expand_movstr): Use new expanders.
(s390_expand_clrstr): Likewise.
(s390_expand_cmpmem): Likewise.
2003-10-22 Mark Mitchell <mark@codesourcery.com>
* c-pch.c (struct c_pch_validity): Add pch_init field.
......
gcc/config/s390/s390.c
......@@ -2970,34 +2970,15 @@ legitimize_address (register rtx x, register rtx oldx ATTRIBUTE_UNUSED,
void
s390_expand_movstr (rtx dst, rtx src, rtx len)
{
rtx (*gen_short) (rtx, rtx, rtx) =
TARGET_64BIT ? gen_movstr_short_64 : gen_movstr_short_31;
rtx (*gen_long) (rtx, rtx, rtx, rtx) =
TARGET_64BIT ? gen_movstr_long_64 : gen_movstr_long_31;
if (GET_CODE (len) == CONST_INT && INTVAL (len) >= 0 && INTVAL (len) <= 256)
{
if (INTVAL (len) > 0)
emit_insn (gen_short (dst, src, GEN_INT (INTVAL (len) - 1)));
emit_insn (gen_movstr_short (dst, src, GEN_INT (INTVAL (len) - 1)));
}
else if (TARGET_MVCLE)
{
enum machine_mode double_mode = TARGET_64BIT ? TImode : DImode;
enum machine_mode single_mode = TARGET_64BIT ? DImode : SImode;
rtx reg0 = gen_reg_rtx (double_mode);
rtx reg1 = gen_reg_rtx (double_mode);
emit_move_insn (gen_highpart (single_mode, reg0),
force_operand (XEXP (dst, 0), NULL_RTX));
emit_move_insn (gen_highpart (single_mode, reg1),
force_operand (XEXP (src, 0), NULL_RTX));
convert_move (gen_lowpart (single_mode, reg0), len, 1);
convert_move (gen_lowpart (single_mode, reg1), len, 1);
emit_insn (gen_long (reg0, reg1, reg0, reg1));
emit_insn (gen_movstr_long (dst, src, convert_to_mode (Pmode, len, 1)));
}
else
......@@ -3009,7 +2990,7 @@ s390_expand_movstr (rtx dst, rtx src, rtx len)
mode = GET_MODE (len);
if (mode == VOIDmode)
mode = word_mode;
mode = Pmode;
type = lang_hooks.types.type_for_mode (mode, 1);
if (!type)
......@@ -3042,7 +3023,7 @@ s390_expand_movstr (rtx dst, rtx src, rtx len)
make_tree (type, blocks),
make_tree (type, const0_rtx)));
emit_insn (gen_short (dst, src, GEN_INT (255)));
emit_insn (gen_movstr_short (dst, src, GEN_INT (255)));
s390_load_address (dst_addr,
gen_rtx_PLUS (Pmode, dst_addr, GEN_INT (256)));
s390_load_address (src_addr,
......@@ -3054,7 +3035,8 @@ s390_expand_movstr (rtx dst, rtx src, rtx len)
expand_end_loop ();
emit_insn (gen_short (dst, src, convert_to_mode (word_mode, count, 1)));
emit_insn (gen_movstr_short (dst, src,
convert_to_mode (Pmode, count, 1)));
emit_label (end_label);
}
}
......@@ -3064,33 +3046,15 @@ s390_expand_movstr (rtx dst, rtx src, rtx len)
void
s390_expand_clrstr (rtx dst, rtx len)
{
rtx (*gen_short) (rtx, rtx) =
TARGET_64BIT ? gen_clrstr_short_64 : gen_clrstr_short_31;
rtx (*gen_long) (rtx, rtx, rtx) =
TARGET_64BIT ? gen_clrstr_long_64 : gen_clrstr_long_31;
if (GET_CODE (len) == CONST_INT && INTVAL (len) >= 0 && INTVAL (len) <= 256)
{
if (INTVAL (len) > 0)
emit_insn (gen_short (dst, GEN_INT (INTVAL (len) - 1)));
emit_insn (gen_clrstr_short (dst, GEN_INT (INTVAL (len) - 1)));
}
else if (TARGET_MVCLE)
{
enum machine_mode double_mode = TARGET_64BIT ? TImode : DImode;
enum machine_mode single_mode = TARGET_64BIT ? DImode : SImode;
rtx reg0 = gen_reg_rtx (double_mode);
rtx reg1 = gen_reg_rtx (double_mode);
emit_move_insn (gen_highpart (single_mode, reg0),
force_operand (XEXP (dst, 0), NULL_RTX));
convert_move (gen_lowpart (single_mode, reg0), len, 1);
emit_move_insn (gen_highpart (single_mode, reg1), const0_rtx);
emit_move_insn (gen_lowpart (single_mode, reg1), const0_rtx);
emit_insn (gen_long (reg0, reg1, reg0));
emit_insn (gen_clrstr_long (dst, convert_to_mode (Pmode, len, 1)));
}
else
......@@ -3102,7 +3066,7 @@ s390_expand_clrstr (rtx dst, rtx len)
mode = GET_MODE (len);
if (mode == VOIDmode)
mode = word_mode;
mode = Pmode;
type = lang_hooks.types.type_for_mode (mode, 1);
if (!type)
......@@ -3133,7 +3097,7 @@ s390_expand_clrstr (rtx dst, rtx len)
make_tree (type, blocks),
make_tree (type, const0_rtx)));
emit_insn (gen_short (dst, GEN_INT (255)));
emit_insn (gen_clrstr_short (dst, GEN_INT (255)));
s390_load_address (dst_addr,
gen_rtx_PLUS (Pmode, dst_addr, GEN_INT (256)));
......@@ -3143,7 +3107,7 @@ s390_expand_clrstr (rtx dst, rtx len)
expand_end_loop ();
emit_insn (gen_short (dst, convert_to_mode (word_mode, count, 1)));
emit_insn (gen_clrstr_short (dst, convert_to_mode (Pmode, count, 1)));
emit_label (end_label);
}
}
......@@ -3154,10 +3118,6 @@ s390_expand_clrstr (rtx dst, rtx len)
void
s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
{
rtx (*gen_short) (rtx, rtx, rtx) =
TARGET_64BIT ? gen_cmpmem_short_64 : gen_cmpmem_short_31;
rtx (*gen_long) (rtx, rtx, rtx, rtx) =
TARGET_64BIT ? gen_cmpmem_long_64 : gen_cmpmem_long_31;
rtx (*gen_result) (rtx) =
GET_MODE (target) == DImode ? gen_cmpint_di : gen_cmpint_si;
......@@ -3169,7 +3129,7 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
{
if (INTVAL (len) > 0)
{
emit_insn (gen_short (op0, op1, GEN_INT (INTVAL (len) - 1)));
emit_insn (gen_cmpmem_short (op0, op1, GEN_INT (INTVAL (len) - 1)));
emit_insn (gen_result (target));
}
else
......@@ -3178,20 +3138,7 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
else /* if (TARGET_MVCLE) */
{
enum machine_mode double_mode = TARGET_64BIT ? TImode : DImode;
enum machine_mode single_mode = TARGET_64BIT ? DImode : SImode;
rtx reg0 = gen_reg_rtx (double_mode);
rtx reg1 = gen_reg_rtx (double_mode);
emit_move_insn (gen_highpart (single_mode, reg0),
force_operand (XEXP (op0, 0), NULL_RTX));
emit_move_insn (gen_highpart (single_mode, reg1),
force_operand (XEXP (op1, 0), NULL_RTX));
convert_move (gen_lowpart (single_mode, reg0), len, 1);
convert_move (gen_lowpart (single_mode, reg1), len, 1);
emit_insn (gen_long (reg0, reg1, reg0, reg1));
emit_insn (gen_cmpmem_long (op0, op1, convert_to_mode (Pmode, len, 1)));
emit_insn (gen_result (target));
}
......@@ -3207,7 +3154,7 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
mode = GET_MODE (len);
if (mode == VOIDmode)
mode = word_mode;
mode = Pmode;
type = lang_hooks.types.type_for_mode (mode, 1);
if (!type)
......@@ -3240,7 +3187,7 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
make_tree (type, blocks),
make_tree (type, const0_rtx)));
emit_insn (gen_short (op0, op1, GEN_INT (255)));
emit_insn (gen_cmpmem_short (op0, op1, GEN_INT (255)));
temp = gen_rtx_NE (VOIDmode, gen_rtx_REG (CCSmode, 33), const0_rtx);
temp = gen_rtx_IF_THEN_ELSE (VOIDmode, temp,
gen_rtx_LABEL_REF (VOIDmode, end_label), pc_rtx);
......@@ -3258,7 +3205,8 @@ s390_expand_cmpmem (rtx target, rtx op0, rtx op1, rtx len)
expand_end_loop ();
emit_insn (gen_short (op0, op1, convert_to_mode (word_mode, count, 1)));
emit_insn (gen_cmpmem_short (op0, op1,
convert_to_mode (Pmode, count, 1)));
emit_label (end_label);
emit_insn (gen_result (target));
......
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