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riscv-gcc-1
Commit 61a1397b by John Wehle Committed by John Wehle
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i386.c (output_move_memory): Remove. 

	* i386.c (output_move_memory): Remove.
	* i386.h: Likewise.
	* i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
	movsf, movdf, movxf, movdi): Check no_new_pseudos instead
	of (reload_in_progress | reload_completed).

From-SVN: r26258
parent 1530be84
Showing with 18 additions and 129 deletions
gcc/ChangeLog
Wed Apr 7 13:16:22 EDT 1999 John Wehle (john@feith.com)
* i386.c (output_move_memory): Remove.
* i386.h: Likewise.
* i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
movsf, movdf, movxf, movdi): Check no_new_pseudos instead
of (reload_in_progress | reload_completed).
Wed Apr 7 03:16:45 1999 Richard Henderson <rth@cygnus.com>
* alpha.c (reg_no_subreg_operand): New function.
......
gcc/config/i386/i386.c
......@@ -1480,125 +1480,6 @@ output_move_pushmem (operands, insn, length, tmp_start, n_operands)
return "";
}
/* Output the appropriate code to move data between two memory locations */
char *
output_move_memory (operands, insn, length, tmp_start, n_operands)
rtx operands[];
rtx insn;
int length;
int tmp_start;
int n_operands;
{
struct
{
char *load;
char *store;
rtx xops[3];
} tmp_info[MAX_TMPS];
rtx dest = operands[0];
rtx src = operands[1];
rtx qi_tmp = NULL_RTX;
int max_tmps = 0;
int offset = 0;
int i, num_tmps;
rtx xops[3];
if (GET_CODE (dest) == MEM
&& GET_CODE (XEXP (dest, 0)) == PRE_INC
&& XEXP (XEXP (dest, 0), 0) == stack_pointer_rtx)
return output_move_pushmem (operands, insn, length, tmp_start, n_operands);
if (! offsettable_memref_p (src))
fatal_insn ("Source is not offsettable", insn);
if (! offsettable_memref_p (dest))
fatal_insn ("Destination is not offsettable", insn);
/* Figure out which temporary registers we have available */
for (i = tmp_start; i < n_operands; i++)
{
if (GET_CODE (operands[i]) == REG)
{
if ((length & 1) != 0 && qi_tmp == 0 && QI_REG_P (operands[i]))
qi_tmp = operands[i];
if (reg_overlap_mentioned_p (operands[i], dest))
fatal_insn ("Temporary register overlaps the destination", insn);
if (reg_overlap_mentioned_p (operands[i], src))
fatal_insn ("Temporary register overlaps the source", insn);
tmp_info[max_tmps++].xops[2] = operands[i];
if (max_tmps == MAX_TMPS)
break;
}
}
if (max_tmps == 0)
fatal_insn ("No scratch registers were found to do memory->memory moves",
insn);
if ((length & 1) != 0)
{
if (qi_tmp == 0)
fatal_insn ("No byte register found when moving odd # of bytes.",
insn);
}
while (length > 1)
{
for (num_tmps = 0; num_tmps < max_tmps; num_tmps++)
{
if (length >= 4)
{
tmp_info[num_tmps].load = AS2(mov%L0,%1,%2);
tmp_info[num_tmps].store = AS2(mov%L0,%2,%0);
tmp_info[num_tmps].xops[0]
= adj_offsettable_operand (dest, offset);
tmp_info[num_tmps].xops[1]
= adj_offsettable_operand (src, offset);
offset += 4;
length -= 4;
}
else if (length >= 2)
{
tmp_info[num_tmps].load = AS2(mov%W0,%1,%2);
tmp_info[num_tmps].store = AS2(mov%W0,%2,%0);
tmp_info[num_tmps].xops[0]
= adj_offsettable_operand (dest, offset);
tmp_info[num_tmps].xops[1]
= adj_offsettable_operand (src, offset);
offset += 2;
length -= 2;
}
else
break;
}
for (i = 0; i < num_tmps; i++)
output_asm_insn (tmp_info[i].load, tmp_info[i].xops);
for (i = 0; i < num_tmps; i++)
output_asm_insn (tmp_info[i].store, tmp_info[i].xops);
}
if (length == 1)
{
xops[0] = adj_offsettable_operand (dest, offset);
xops[1] = adj_offsettable_operand (src, offset);
xops[2] = qi_tmp;
output_asm_insn (AS2(mov%B0,%1,%2), xops);
output_asm_insn (AS2(mov%B0,%2,%0), xops);
}
return "";
}
int
standard_80387_constant_p (x)
rtx x;
......
gcc/config/i386/i386.h
......@@ -2717,7 +2717,6 @@ extern void output_op_from_reg ();
extern void output_to_reg ();
extern char *singlemove_string ();
extern char *output_move_double ();
extern char *output_move_memory ();
extern char *output_move_pushmem ();
extern int standard_80387_constant_p ();
extern char *output_move_const_single ();
......
gcc/config/i386/i386.md
......@@ -926,7 +926,7 @@
/* Don't generate memory->memory moves, go through a register */
else if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1032,7 +1032,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1096,7 +1096,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1166,7 +1166,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1228,7 +1228,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1314,7 +1314,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1436,7 +1436,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1559,7 +1559,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......@@ -1657,7 +1657,7 @@
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& no_new_pseudos == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
......
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