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* i386.c: Remove random whitespace at end of lines. 

From-SVN: r20980
This commit is contained in:
Ulrich Drepper 1998-07-06 23:42:47 +00:00 committed by Jeff Law
parent 3403c6ca8f
commit 79325812b8
2 changed files with 55 additions and 53 deletions
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2
gcc/ChangeLog
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@ -1,5 +1,7 @@
Tue Jul 7 00:36:41 1998 Ulrich Drepper <drepper@cygnus.com>
* i386.c: Remove random whitespace at end of lines.
* i386.c (ix86_epilogue): For pentium processors, try to deallocate
4 or 8 byte stacks with pop instructions instead of an add instruction.

106
gcc/config/i386/i386.c
View File

@ -129,7 +129,7 @@ enum reg_class regclass_map[FIRST_PSEUDO_REGISTER] =
SIREG, DIREG, INDEX_REGS, GENERAL_REGS,
/* FP registers */
FP_TOP_REG, FP_SECOND_REG, FLOAT_REGS, FLOAT_REGS,
FLOAT_REGS, FLOAT_REGS, FLOAT_REGS, FLOAT_REGS,
FLOAT_REGS, FLOAT_REGS, FLOAT_REGS, FLOAT_REGS,
/* arg pointer */
INDEX_REGS
};
@ -227,7 +227,7 @@ override_options ()
for (i = 0; (ch = i386_reg_alloc_order[i]) != '\0'; i++)
{
int regno = 0;
switch (ch)
{
case 'a': regno = 0; break;
@ -254,7 +254,7 @@ override_options ()
if (ix86_cpu_string == 0)
ix86_cpu_string = PROCESSOR_DEFAULT_STRING;
}
for (i = 0; i < ptt_size; i++)
if (! strcmp (ix86_arch_string, processor_target_table[i].name))
{
@ -392,7 +392,7 @@ order_regs_for_local_alloc ()
for (i = order = 0; (ch = i386_reg_alloc_order[i]) != '\0'; i++)
{
int regno = 0;
switch (ch)
{
case 'a': regno = 0; break;
@ -502,7 +502,7 @@ i386_aligned_p (op)
case REG:
return i386_aligned_reg_p (REGNO (op));
default:
break;
}
@ -620,27 +620,27 @@ i386_return_pops_args (fundecl, funtype, size)
tree fundecl;
tree funtype;
int size;
{
{
int rtd = TARGET_RTD && (!fundecl || TREE_CODE (fundecl) != IDENTIFIER_NODE);
/* Cdecl functions override -mrtd, and never pop the stack. */
if (! lookup_attribute ("cdecl", TYPE_ATTRIBUTES (funtype))) {
/* Stdcall functions will pop the stack if not variable args. */
if (lookup_attribute ("stdcall", TYPE_ATTRIBUTES (funtype)))
rtd = 1;
if (rtd
&& (TYPE_ARG_TYPES (funtype) == NULL_TREE
|| (TREE_VALUE (tree_last (TYPE_ARG_TYPES (funtype)))
== void_type_node)))
return size;
}
/* Lose any fake structure return argument. */
if (aggregate_value_p (TREE_TYPE (funtype)))
return GET_MODE_SIZE (Pmode);
return 0;
}
@ -927,7 +927,7 @@ output_to_reg (dest, dies, scratch_mem)
output_asm_insn (AS1 (pop%L0,%0), &dest);
else
{
xops[0] = adj_offsettable_operand (xops[0], 4);
xops[0] = adj_offsettable_operand (xops[0], 4);
xops[3] = dest;
output_asm_insn (AS2 (mov%L0,%0,%3), xops);
}
@ -939,7 +939,7 @@ output_to_reg (dest, dies, scratch_mem)
output_asm_insn (AS1 (pop%L0,%0), &dest);
else
{
xops[0] = adj_offsettable_operand (xops[0], 4);
xops[0] = adj_offsettable_operand (xops[0], 4);
output_asm_insn (AS2 (mov%L0,%0,%3), xops);
}
}
@ -1145,7 +1145,7 @@ output_move_double (operands)
middlehalf[0] = operands[0];
latehalf[0] = operands[0];
}
if (optype1 == REGOP)
{
middlehalf[1] = gen_rtx_REG (SImode, REGNO (operands[1]) + 1);
@ -1365,7 +1365,7 @@ output_move_pushmem (operands, insn, length, tmp_start, n_operands)
char *push;
rtx xops[2];
} tmp_info[MAX_TMPS];
rtx src = operands[1];
int max_tmps = 0;
int offset = 0;
@ -1777,7 +1777,7 @@ ix86_expand_binary_operator (code, mode, operands)
emit_move_insn (temp, operands[1]);
operands[1] = temp;
return TRUE;
}
}
}
if (!ix86_binary_operator_ok (code, mode, operands))
@ -1810,7 +1810,7 @@ ix86_expand_binary_operator (code, mode, operands)
emit_move_insn (temp, operands[1]);
operands[1] = temp;
return TRUE;
}
}
if (modified && ! ix86_binary_operator_ok (code, mode, operands))
return FALSE;
@ -1943,7 +1943,7 @@ function_prologue (file, size)
pic_label_rtx = 0;
return;
}
ix86_prologue (0);
}
@ -1954,7 +1954,7 @@ ix86_expand_prologue ()
{
if (! TARGET_SCHEDULE_PROLOGUE)
return;
ix86_prologue (1);
}
@ -1981,9 +1981,9 @@ load_pic_register (do_rtl)
if (do_rtl)
{
emit_insn (gen_prologue_get_pc (xops[0], xops[1]));
emit_insn (gen_prologue_set_got (xops[0],
emit_insn (gen_prologue_set_got (xops[0],
gen_rtx (SYMBOL_REF, Pmode,
"$_GLOBAL_OFFSET_TABLE_"),
"$_GLOBAL_OFFSET_TABLE_"),
xops[1]));
}
else
@ -1998,7 +1998,7 @@ load_pic_register (do_rtl)
{
xops[0] = pic_offset_table_rtx;
xops[1] = gen_label_rtx ();
if (do_rtl)
{
/* We can't put a raw CODE_LABEL into the RTL, and we can't emit
@ -2009,12 +2009,12 @@ load_pic_register (do_rtl)
else
{
output_asm_insn (AS1 (call,%P1), xops);
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
CODE_LABEL_NUMBER (xops[1]));
output_asm_insn (AS1 (pop%L0,%0), xops);
output_asm_insn ("addl $_GLOBAL_OFFSET_TABLE_+[.-%P1],%0", xops);
}
}
}
/* When -fpic, we must emit a scheduling barrier, so that the instruction
that restores %ebx (which is PIC_OFFSET_TABLE_REGNUM), does not get
@ -2036,7 +2036,7 @@ ix86_prologue (do_rtl)
long tsize = get_frame_size ();
rtx insn;
int cfa_offset = INCOMING_FRAME_SP_OFFSET, cfa_store_offset = cfa_offset;
xops[0] = stack_pointer_rtx;
xops[1] = frame_pointer_rtx;
xops[2] = GEN_INT (tsize);
@ -2058,7 +2058,7 @@ ix86_prologue (do_rtl)
else
{
output_asm_insn ("push%L1 %1", xops);
output_asm_insn ("push%L1 %1", xops);
#ifdef INCOMING_RETURN_ADDR_RTX
if (dwarf2out_do_frame ())
{
@ -2071,7 +2071,7 @@ ix86_prologue (do_rtl)
}
#endif
output_asm_insn (AS2 (mov%L0,%0,%1), xops);
output_asm_insn (AS2 (mov%L0,%0,%1), xops);
#ifdef INCOMING_RETURN_ADDR_RTX
if (dwarf2out_do_frame ())
dwarf2out_def_cfa ("", FRAME_POINTER_REGNUM, cfa_offset);
@ -2088,7 +2088,7 @@ ix86_prologue (do_rtl)
insn = emit_insn (gen_prologue_set_stack_ptr (xops[2]));
RTX_FRAME_RELATED_P (insn) = 1;
}
else
else
{
output_asm_insn (AS2 (sub%L0,%2,%0), xops);
#ifdef INCOMING_RETURN_ADDR_RTX
@ -2104,7 +2104,7 @@ ix86_prologue (do_rtl)
#endif
}
}
else
else
{
xops[3] = gen_rtx_REG (SImode, 0);
if (do_rtl)
@ -2182,7 +2182,7 @@ ix86_prologue (do_rtl)
/* Return 1 if it is appropriate to emit `ret' instructions in the
body of a function. Do this only if the epilogue is simple, needing a
couple of insns. Prior to reloading, we can't tell how many registers
must be saved, so return 0 then. Return 0 if there is no frame
must be saved, so return 0 then. Return 0 if there is no frame
marker to de-allocate.
If NON_SAVING_SETJMP is defined and true, then it is not possible
@ -2229,7 +2229,7 @@ function_epilogue (file, size)
return;
}
/* Restore function stack, frame, and registers. */
/* Restore function stack, frame, and registers. */
void
ix86_expand_epilogue ()
@ -2440,7 +2440,7 @@ ix86_epilogue (do_rtl)
output_asm_insn ("jmp %*%0", xops);
}
}
else
else
{
if (do_rtl)
emit_jump_insn (gen_return_pop_internal (xops[1]));
@ -3119,7 +3119,7 @@ put_condition_code (code, reverse_cc, mode, file)
if (mode == MODE_INT)
switch (code)
{
case NE:
case NE:
if (cc_prev_status.flags & CC_Z_IN_NOT_C)
fputs ("b", file);
else
@ -3178,34 +3178,34 @@ put_condition_code (code, reverse_cc, mode, file)
else if (mode == MODE_FLOAT)
switch (code)
{
case NE:
case NE:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "ne", file);
return;
case EQ:
case EQ:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "e", file);
return;
case GE:
case GE:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "nb", file);
return;
case GT:
case GT:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "nbe", file);
return;
case LE:
case LE:
fputs (ieee ? (reverse_cc ? "nb" : "b") : "be", file);
return;
case LT:
case LT:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "b", file);
return;
case GEU:
case GEU:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "nb", file);
return;
case GTU:
case GTU:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "nbe", file);
return;
case LEU:
case LEU:
fputs (ieee ? (reverse_cc ? "nb" : "b") : "be", file);
return;
case LTU:
case LTU:
fputs (ieee ? (reverse_cc ? "ne" : "e") : "b", file);
return;
default:
@ -3345,9 +3345,9 @@ print_operand (file, x, code)
case GTU: fputs ("jne", file); return;
case LEU: fputs ("je", file); return;
case LTU: fputs ("#branch never", file); return;
/* no matching branches for GT nor LE */
default:
abort ();
}
@ -3439,7 +3439,7 @@ print_operand (file, x, code)
REAL_VALUE_TO_DECIMAL (r, "%.22e", dstr);
fprintf (file, "%s", dstr);
}
else
else
{
if (code != 'P')
{
@ -4080,7 +4080,7 @@ output_float_compare (insn, operands)
operands[1] = tmp;
cc_status.flags |= CC_REVERSED;
}
if (! STACK_TOP_P (operands[0]))
abort ();
@ -4139,7 +4139,7 @@ output_float_compare (insn, operands)
if (NON_STACK_REG_P (operands[1]))
output_op_from_reg (operands[1], strcat (buf, AS1 (%z0,%1)));
else if (cc_status.flags & CC_FCOMI)
else if (cc_status.flags & CC_FCOMI)
{
output_asm_insn (strcat (buf, AS2 (%z1,%y1,%0)), operands);
return "";
@ -4174,7 +4174,7 @@ output_fp_cc0_set (insn)
if (!(cc_status.flags & CC_REVERSED))
{
next = next_cc0_user (insn);
if (GET_CODE (next) == JUMP_INSN
&& GET_CODE (PATTERN (next)) == SET
&& SET_DEST (PATTERN (next)) == pc_rtx
@ -4437,7 +4437,7 @@ copy_all_rtx (orig)
copy->integrated = orig->integrated;
/* intel1 */
copy->is_spill_rtx = orig->is_spill_rtx;
format_ptr = GET_RTX_FORMAT (GET_CODE (copy));
for (i = 0; i < GET_RTX_LENGTH (GET_CODE (copy)); i++)
@ -4489,7 +4489,7 @@ copy_all_rtx (orig)
/* Try to rewrite a memory address to make it valid */
void
void
rewrite_address (mem_rtx)
rtx mem_rtx;
{
@ -4526,7 +4526,7 @@ rewrite_address (mem_rtx)
obfree (storage);
}
/* This part is utilized by loop.c.
/* This part is utilized by loop.c.
If the address contains PLUS (reg,const) and this pattern is invalid
in this case - try to rewrite the address to make it valid. */
storage = oballoc (0);
@ -5159,7 +5159,7 @@ output_strlen_unroll (operands)
/* Check third byte. */
output_asm_insn (AS2 (test%L1,%16,%1), xops);
output_asm_insn (AS1 (je,%l10), xops);
/* Check fourth byte and increment address. */
output_asm_insn (AS2 (add%L0,%5,%0), xops);
output_asm_insn (AS2 (test%L1,%17,%1), xops);
@ -5190,7 +5190,7 @@ output_fp_conditional_move (which_alternative, operands)
/* r <- cond ? arg : r */
output_asm_insn (AS2 (fcmov%F1,%2,%0), operands);
break;
case 1:
/* r <- cond ? r : arg */
output_asm_insn (AS2 (fcmov%f1,%3,%0), operands);