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Made -mshort-data- unsigned. Copy MEM_IN_STRUCT_P for block move cases.

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From-SVN: r6481
This commit is contained in:
Stan Cox 1994-02-04 16:29:24 +00:00
parent 2d257716a9
commit cf5f6f1409
1 changed files with 32 additions and 16 deletions
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48
gcc/config/m88k/m88k.c
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@ -2,7 +2,7 @@
Copyright (C) 1988, 1989, 1990, 1991 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@mcc.com)
Enhanced by Michael Meissner (meissner@osf.org)
Version 2 port by Tom Wood (Tom_Wood@NeXT.com)
Version 2 port by Tom Wood (twood@pets.sps.mot.com)
This file is part of GNU CC.
@ -47,27 +47,26 @@ extern char *ctime ();
extern int flag_traditional;
extern FILE *asm_out_file;
static char out_sccs_id[] = "@(#)m88k.c 2.3.3.2 12/16/92 08:26:06";
static char tm_sccs_id [] = TM_SCCS_ID;
static char out_rcs_id[] = "$What: <@(#) m88k.c,v 1.8> $";
static char tm_rcs_id [] = TM_RCS_ID;
char *m88k_pound_sign = ""; /* Either # for SVR4 or empty for SVR3 */
char *m88k_short_data;
char *m88k_version;
char m88k_volatile_code;
int m88k_gp_threshold;
unsigned m88k_gp_threshold = 0;
int m88k_prologue_done = 0; /* Ln directives can now be emitted */
int m88k_function_number = 0; /* Counter unique to each function */
int m88k_fp_offset = 0; /* offset of frame pointer if used */
int m88k_stack_size = 0; /* size of allocated stack (including frame) */
int m88k_case_index;
int m88k_version_0300; /* Version is at least 03.00 */
rtx m88k_compare_reg; /* cmp output pseudo register */
rtx m88k_compare_op0; /* cmpsi operand 0 */
rtx m88k_compare_op1; /* cmpsi operand 1 */
enum attr_cpu m88k_cpu; /* target cpu */
enum processor_type m88k_cpu; /* target cpu */
/* Determine what instructions are needed to manufacture the integer VALUE
in the given MODE. */
@ -356,7 +355,7 @@ legitimize_address (pic, orig, reg, scratch)
if (GET_CODE (addr) == CONST_INT)
{
if (SMALL_INT (addr))
if (ADD_INT (addr))
return plus_constant_for_output (base, INTVAL (addr));
else if (! reload_in_progress && ! reload_completed)
addr = force_reg (Pmode, addr);
@ -491,9 +490,9 @@ expand_block_move (dest_mem, src_mem, operands)
int bytes = (constp ? INTVAL (operands[2]) : 0);
int target = (int) m88k_cpu;
assert (CPU_M88100 == 0);
assert (CPU_M88110 == 1);
assert (CPU_M88000 == 2);
assert (PROCESSOR_M88100 == 0);
assert (PROCESSOR_M88110 == 1);
assert (PROCESSOR_M88000 == 2);
if (constp && bytes <= 0)
return;
@ -590,7 +589,7 @@ block_move_loop (dest, dest_mem, src, src_mem, size, align)
offset_rtx));
RTX_UNCHANGING_P (value_rtx) = RTX_UNCHANGING_P (src_mem);
MEM_VOLATILE_P (value_rtx) = MEM_VOLATILE_P (src_mem);
MEM_IN_STRUCT_P (value_rtx) = 1;
MEM_IN_STRUCT_P (value_rtx) = MEM_IN_STRUCT_P (src_mem);
emit_insn (gen_call_movstrsi_loop
(gen_rtx (SYMBOL_REF, Pmode, IDENTIFIER_POINTER (entry_name)),
@ -647,7 +646,7 @@ block_move_no_loop (dest, dest_mem, src, src_mem, size, align)
offset_rtx));
RTX_UNCHANGING_P (value_rtx) = RTX_UNCHANGING_P (src_mem);
MEM_VOLATILE_P (value_rtx) = MEM_VOLATILE_P (src_mem);
MEM_IN_STRUCT_P (value_rtx) = 1;
MEM_IN_STRUCT_P (value_rtx) = MEM_IN_STRUCT_P (src_mem);
value_reg = ((((most - (size - remainder)) / align) & 1) == 0
? (align == 8 ? 6 : 5) : 4);
@ -720,7 +719,7 @@ block_move_sequence (dest, dest_mem, src, src_mem, size, align, offset)
gen_rtx (CONST_INT, SImode, offset_ld)));
RTX_UNCHANGING_P (srcp) = RTX_UNCHANGING_P (src_mem);
MEM_VOLATILE_P (srcp) = MEM_VOLATILE_P (src_mem);
MEM_IN_STRUCT_P (srcp) = 1;
MEM_IN_STRUCT_P (srcp) = MEM_IN_STRUCT_P (src_mem);
emit_insn (gen_rtx (SET, VOIDmode, temp[next], srcp));
offset_ld += amount[next];
active[next] = TRUE;
@ -735,7 +734,7 @@ block_move_sequence (dest, dest_mem, src, src_mem, size, align, offset)
gen_rtx (CONST_INT, SImode, offset_st)));
RTX_UNCHANGING_P (dstp) = RTX_UNCHANGING_P (dest_mem);
MEM_VOLATILE_P (dstp) = MEM_VOLATILE_P (dest_mem);
MEM_IN_STRUCT_P (dstp) = 1;
MEM_IN_STRUCT_P (dstp) = MEM_IN_STRUCT_P (dest_mem);
emit_insn (gen_rtx (SET, VOIDmode, dstp, temp[phase]));
offset_st += amount[phase];
}
@ -1553,7 +1552,7 @@ output_file_start (file, f_options, f_len, W_options, W_len)
ASM_FIRST_LINE (file);
if (TARGET_88110
&& m88k_version != 0 && strcmp (m88k_version, "04.00") >= 0)
&& TARGET_SVR4)
fprintf (file, "\t%s\n", REQUIRES_88110_ASM_OP);
output_file_directive (file, main_input_filename);
/* Switch to the data section so that the coffsem symbol and the
@ -2608,7 +2607,7 @@ m88k_builtin_saveregs (arglist)
change_address (addr, Pmode,
plus_constant (XEXP (addr, 0),
fixed * UNITS_PER_WORD)),
8 - fixed, (8 - fixed) * UNITS_PER_WORD);
8 - fixed, UNITS_PER_WORD * (8 - fixed));
/* Return the address of the va_list constructor, but don't put it in a
register. This fails when not optimizing and produces worse code when
@ -3071,3 +3070,20 @@ print_operand_address (file, addr)
output_addr_const (file, addr);
}
}
/* Return true if X is an address which needs a temporary register when
reloaded while generating PIC code. */
int
pic_address_needs_scratch (x)
rtx x;
{
/* An address which is a symbolic plus a non SMALL_INT needs a temp reg. */
if (GET_CODE (x) == CONST && GET_CODE (XEXP (x, 0)) == PLUS
&& GET_CODE (XEXP (XEXP (x, 0), 0)) == SYMBOL_REF
&& GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST_INT
&& ! ADD_INT (XEXP (XEXP (x, 0), 1)))
return 1;
return 0;
}