/* Subroutines for insn-output.c for Motorola 68000 family.
- Copyright (C) 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+ Copyright (C) 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
Free Software Foundation, Inc.
This file is part of GNU CC.
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "tree.h"
#include "rtl.h"
#include "function.h"
/* Needed for use_return_insn. */
#include "flags.h"
-#ifdef SUPPORT_SUN_FPA
-
-/* Index into this array by (register number >> 3) to find the
- smallest class which contains that register. */
-enum reg_class regno_reg_class[]
- = { DATA_REGS, ADDR_REGS, FP_REGS,
- LO_FPA_REGS, LO_FPA_REGS, FPA_REGS, FPA_REGS };
-
-#endif /* defined SUPPORT_SUN_FPA */
-
/* This flag is used to communicate between movhi and ASM_OUTPUT_CASE_END,
if SGS_SWITCH_TABLE. */
int switch_table_difference_label_flag;
static const char *singlemove_string PARAMS ((rtx *));
static void m68k_output_function_prologue PARAMS ((FILE *, HOST_WIDE_INT));
static void m68k_output_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT));
-static void m68k_coff_asm_named_section PARAMS ((const char *, unsigned int,
- unsigned int));
+static void m68k_coff_asm_named_section PARAMS ((const char *, unsigned int));
#ifdef CTOR_LIST_BEGIN
static void m68k_svr3_asm_out_constructor PARAMS ((rtx, int));
#endif
+#ifdef HPUX_ASM
+static void m68k_hp320_internal_label PARAMS ((FILE *, const char *, unsigned long));
+static void m68k_hp320_file_start PARAMS ((void));
+#endif
+static void m68k_output_mi_thunk PARAMS ((FILE *, tree, HOST_WIDE_INT,
+ HOST_WIDE_INT, tree));
+static int m68k_save_reg PARAMS ((unsigned int));
+static int const_int_cost PARAMS ((rtx));
+static bool m68k_rtx_costs PARAMS ((rtx, int, int, int *));
\f
/* Alignment to use for loops and jumps */
-/* Specify power of two alignment used for loops. */
+/* Specify power of two alignment used for loops. */
const char *m68k_align_loops_string;
-/* Specify power of two alignment used for non-loop jumps. */
+/* Specify power of two alignment used for non-loop jumps. */
const char *m68k_align_jumps_string;
-/* Specify power of two alignment used for functions. */
+/* Specify power of two alignment used for functions. */
const char *m68k_align_funcs_string;
-/* Specify power of two alignment used for loops. */
+/* Specify power of two alignment used for loops. */
int m68k_align_loops;
-/* Specify power of two alignment used for non-loop jumps. */
+/* Specify power of two alignment used for non-loop jumps. */
int m68k_align_jumps;
-/* Specify power of two alignment used for functions. */
+/* Specify power of two alignment used for functions. */
int m68k_align_funcs;
/* Nonzero if the last compare/test insn had FP operands. The
int m68k_last_compare_had_fp_operands;
\f
/* Initialize the GCC target structure. */
+
+#if INT_OP_GROUP == INT_OP_DOT_WORD
+#undef TARGET_ASM_ALIGNED_HI_OP
+#define TARGET_ASM_ALIGNED_HI_OP "\t.word\t"
+#endif
+
+#if INT_OP_GROUP == INT_OP_NO_DOT
+#undef TARGET_ASM_BYTE_OP
+#define TARGET_ASM_BYTE_OP "\tbyte\t"
+#undef TARGET_ASM_ALIGNED_HI_OP
+#define TARGET_ASM_ALIGNED_HI_OP "\tshort\t"
+#undef TARGET_ASM_ALIGNED_SI_OP
+#define TARGET_ASM_ALIGNED_SI_OP "\tlong\t"
+#endif
+
+#if INT_OP_GROUP == INT_OP_DC
+#undef TARGET_ASM_BYTE_OP
+#define TARGET_ASM_BYTE_OP "\tdc.b\t"
+#undef TARGET_ASM_ALIGNED_HI_OP
+#define TARGET_ASM_ALIGNED_HI_OP "\tdc.w\t"
+#undef TARGET_ASM_ALIGNED_SI_OP
+#define TARGET_ASM_ALIGNED_SI_OP "\tdc.l\t"
+#endif
+
+#undef TARGET_ASM_UNALIGNED_HI_OP
+#define TARGET_ASM_UNALIGNED_HI_OP TARGET_ASM_ALIGNED_HI_OP
+#undef TARGET_ASM_UNALIGNED_SI_OP
+#define TARGET_ASM_UNALIGNED_SI_OP TARGET_ASM_ALIGNED_SI_OP
+
#undef TARGET_ASM_FUNCTION_PROLOGUE
#define TARGET_ASM_FUNCTION_PROLOGUE m68k_output_function_prologue
#undef TARGET_ASM_FUNCTION_EPILOGUE
#define TARGET_ASM_FUNCTION_EPILOGUE m68k_output_function_epilogue
+#ifdef HPUX_ASM
+#undef TARGET_ASM_INTERNAL_LABEL
+#define TARGET_ASM_INTERNAL_LABEL m68k_hp320_internal_label
+#endif
+
+#undef TARGET_ASM_OUTPUT_MI_THUNK
+#define TARGET_ASM_OUTPUT_MI_THUNK m68k_output_mi_thunk
+#undef TARGET_ASM_CAN_OUTPUT_MI_THUNK
+#define TARGET_ASM_CAN_OUTPUT_MI_THUNK default_can_output_mi_thunk_no_vcall
+
+#undef TARGET_ASM_FILE_START_APP_OFF
+#define TARGET_ASM_FILE_START_APP_OFF true
+
+#undef TARGET_RTX_COSTS
+#define TARGET_RTX_COSTS m68k_rtx_costs
struct gcc_target targetm = TARGET_INITIALIZER;
\f
else
m68k_align_funcs = i;
}
-}
-\f
-/* This function generates the assembly code for function entry.
- STREAM is a stdio stream to output the code to.
- SIZE is an int: how many units of temporary storage to allocate.
- Refer to the array `regs_ever_live' to determine which registers
- to save; `regs_ever_live[I]' is nonzero if register number I
- is ever used in the function. This function is responsible for
- knowing which registers should not be saved even if used. */
-
-
-/* Note that the order of the bit mask for fmovem is the opposite
- of the order for movem! */
-
-#ifdef CRDS
-
-static void
-m68k_output_function_prologue (stream, size)
- FILE *stream;
- HOST_WIDE_INT size;
-{
- register int regno;
- register int mask = 0;
- extern char call_used_regs[];
- HOST_WIDE_INT fsize = ((size) + 3) & -4;
-
- /* unos stack probe */
- if (fsize > 30000)
- {
- fprintf (stream, "\tmovel sp,a0\n");
- fprintf (stream, "\taddl $-%d,a0\n", 2048 + fsize);
- fprintf (stream, "\ttstb (a0)\n");
- }
- else
- fprintf (stream, "\ttstb -%d(sp)\n", 2048 + fsize);
- if (frame_pointer_needed)
- {
- if (TARGET_68020 || fsize < 0x8000)
- fprintf (stream, "\tlink a6,$%d\n", -fsize);
- else
- fprintf (stream, "\tlink a6,$0\n\tsubl $%d,sp\n", fsize);
- }
- else if (fsize)
- {
- /* Adding negative number is faster on the 68040. */
- if (fsize + 4 < 0x8000)
- fprintf (stream, "\tadd.w #%d,sp\n", - (fsize + 4));
- else
- fprintf (stream, "\tadd.l #%d,sp\n", - (fsize + 4));
- }
+ /* -fPIC uses 32-bit pc-relative displacements, which don't exist
+ until the 68020. */
+ if (! TARGET_68020 && flag_pic == 2)
+ error("-fPIC is not currently supported on the 68000 or 68010\n");
- for (regno = 16; regno < 24; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- mask |= 1 << (regno - 16);
+ /* ??? A historic way of turning on pic, or is this intended to
+ be an embedded thing that doesn't have the same name binding
+ significance that it does on hosted ELF systems? */
+ if (TARGET_PCREL && flag_pic == 0)
+ flag_pic = 1;
- if ((mask & 0xff) != 0)
- fprintf (stream, "\tfmovem $0x%x,-(sp)\n", mask & 0xff);
+ /* Turn off function cse if we are doing PIC. We always want function call
+ to be done as `bsr foo@PLTPC', so it will force the assembler to create
+ the PLT entry for `foo'. Doing function cse will cause the address of
+ `foo' to be loaded into a register, which is exactly what we want to
+ avoid when we are doing PIC on svr4 m68k. */
+ if (flag_pic)
+ flag_no_function_cse = 1;
- mask = 0;
- for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- mask |= 1 << (15 - regno);
- if (frame_pointer_needed)
- mask &= ~ (1 << (15-FRAME_POINTER_REGNUM));
+ SUBTARGET_OVERRIDE_OPTIONS;
- if (exact_log2 (mask) >= 0)
- fprintf (stream, "\tmovel %s,-(sp)\n", reg_names[15 - exact_log2 (mask)]);
- else if (mask)
- fprintf (stream, "\tmovem $0x%x,-(sp)\n", mask);
+ /* Tell the compiler which flavor of XFmode we're using. */
+ real_format_for_mode[XFmode - QFmode] = &ieee_extended_motorola_format;
}
-
-#else
-#if defined (DPX2) && defined (MOTOROLA)
-
-static void
-m68k_output_function_prologue (stream, size)
- FILE *stream;
- HOST_WIDE_INT size;
+\f
+/* Return 1 if we need to save REGNO. */
+static int
+m68k_save_reg (regno)
+ unsigned int regno;
{
- register int regno;
- register int mask = 0;
- int num_saved_regs = 0, first = 1;
- extern char call_used_regs[];
- HOST_WIDE_INT fsize = ((size) + 3) & -4;
-
- if (frame_pointer_needed)
- {
- /* Adding negative number is faster on the 68040. */
- if (fsize < 0x8000 && !TARGET_68040)
- fprintf (stream, "\tlink %s,#%d\n",
- reg_names[FRAME_POINTER_REGNUM], -fsize);
- else if (TARGET_68020)
- fprintf (stream, "\tlink %s,#%d\n",
- reg_names[FRAME_POINTER_REGNUM], -fsize);
- else
- fprintf (stream, "\tlink %s,#0\n\tadd.l #%d,sp\n",
- reg_names[FRAME_POINTER_REGNUM], -fsize);
- }
- else if (fsize)
- {
- /* Adding negative number is faster on the 68040. */
- if (fsize + 4 < 0x8000)
- fprintf (stream, "\tadd.w #%d,sp\n", - (fsize + 4));
- else
- fprintf (stream, "\tadd.l #%d,sp\n", - (fsize + 4));
- }
-
- for (regno = 23; regno >= 16; regno--)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- if (first)
- {
- fprintf (stream, "\tfmovem.x %s", reg_names[regno]);
- first = 0;
- }
- else
- fprintf (stream, "/%s", reg_names[regno]);
- }
- if (!first)
- fprintf (stream, ",-(sp)\n");
-
- mask = 0;
- for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- mask |= 1 << (15 - regno);
- num_saved_regs++;
- }
-
- if (frame_pointer_needed)
- {
- mask &= ~ (1 << (15 - FRAME_POINTER_REGNUM));
- num_saved_regs--;
- }
-
- if (num_saved_regs <= 2)
- {
- /* Store each separately in the same order moveml uses.
- Using two movel instructions instead of a single moveml
- is about 15% faster for the 68020 and 68030 at no expense
- in code size */
-
- int i;
+ if (flag_pic && current_function_uses_pic_offset_table
+ && regno == PIC_OFFSET_TABLE_REGNUM)
+ return 1;
- /* Undo the work from above. */
- for (i = 0; i< 16; i++)
- if (mask & (1 << i))
- fprintf (stream, "\tmove.l %s,-(sp)\n", reg_names[15 - i]);
- }
- else if (mask)
+ if (current_function_calls_eh_return)
{
- first = 1;
- for (regno = 0; regno < 16; regno++)
- if (mask & (1 << regno))
- {
- if (first)
- {
- fprintf (stream, "\tmovem.l %s", reg_names[15 - regno]);
- first = 0;
- }
- else
- fprintf (stream, "/%s", reg_names[15 - regno]);
- }
- fprintf (stream, ",-(sp)\n");
+ unsigned int i;
+ for (i = 0; ; i++)
+ {
+ unsigned int test = EH_RETURN_DATA_REGNO (i);
+ if (test == INVALID_REGNUM)
+ break;
+ if (test == regno)
+ return 1;
+ }
}
- if (flag_pic && current_function_uses_pic_offset_table)
- {
- fprintf (stream, "\tmove.l #__GLOBAL_OFFSET_TABLE_, %s\n",
- reg_names[PIC_OFFSET_TABLE_REGNUM]);
- fprintf (stream, "\tlea.l (pc,%s.l),%s\n",
- reg_names[PIC_OFFSET_TABLE_REGNUM],
- reg_names[PIC_OFFSET_TABLE_REGNUM]);
- }
+ return (regs_ever_live[regno]
+ && !call_used_regs[regno]
+ && !fixed_regs[regno]
+ && !(regno == FRAME_POINTER_REGNUM && frame_pointer_needed));
}
-#else
-#if defined (NEWS) && defined (MOTOROLA)
-
-static void
-m68k_output_function_prologue (stream, size)
- FILE *stream;
- HOST_WIDE_INT size;
-{
- register int regno;
- register int mask = 0;
- extern char call_used_regs[];
- HOST_WIDE_INT fsize = ((size) + 3) & -4;
-
- if (frame_pointer_needed)
- {
- if (fsize < 0x8000)
- fprintf (stream, "\tlink fp,#%d\n", -fsize);
- else if (TARGET_68020)
- fprintf (stream, "\tlink.l fp,#%d\n", -fsize);
- else
- fprintf (stream, "\tlink fp,#0\n\tsub.l #%d,sp\n", fsize);
- }
- else if (fsize)
- {
- int amt = fsize + 4;
- /* Adding negative number is faster on the 68040. */
- if (fsize + 4 < 0x8000)
- asm_fprintf (stream, "\tadd.w %0I%d,%Rsp\n", - amt);
- else
- asm_fprintf (stream, "\tadd.l %0I%d,%Rsp\n", - amt);
- }
-
- for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- mask |= 1 << (regno - 16);
-
- if (mask != 0)
- fprintf (stream, "\tfmovem.x #0x%x,-(sp)\n", mask & 0xff);
-
- mask = 0;
- for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- mask |= 1 << (15 - regno);
-
- if (frame_pointer_needed)
- mask &= ~ (1 << (15-FRAME_POINTER_REGNUM));
+/* This function generates the assembly code for function entry.
+ STREAM is a stdio stream to output the code to.
+ SIZE is an int: how many units of temporary storage to allocate.
+ Refer to the array `regs_ever_live' to determine which registers
+ to save; `regs_ever_live[I]' is nonzero if register number I
+ is ever used in the function. This function is responsible for
+ knowing which registers should not be saved even if used. */
- if (exact_log2 (mask) >= 0)
- fprintf (stream, "\tmove.l %s,-(sp)\n", reg_names[15 - exact_log2 (mask)]);
- else
- if (mask) fprintf (stream, "\tmovem.l #0x%x,-(sp)\n", mask);
-}
-#else /* !CRDS && ! (NEWS && MOTOROLA) && ! (DPX2 && MOTOROLA) */
+/* Note that the order of the bit mask for fmovem is the opposite
+ of the order for movem! */
static void
m68k_output_function_prologue (stream, size)
register int regno;
register int mask = 0;
int num_saved_regs = 0;
- extern char call_used_regs[];
HOST_WIDE_INT fsize = (size + 3) & -4;
HOST_WIDE_INT cfa_offset = INCOMING_FRAME_SP_OFFSET;
HOST_WIDE_INT cfa_store_offset = cfa_offset;
&& GET_CODE (stack_limit_rtx) == SYMBOL_REF)
{
#if defined (MOTOROLA)
- asm_fprintf (stream, "\tcmp.l %0I%s+%d,%Rsp\n\ttrapcs\n",
+ asm_fprintf (stream, "\tcmp.l %I%s+%wd,%Rsp\n\ttrapcs\n",
XSTR (stack_limit_rtx, 0), fsize + 4);
#else
- asm_fprintf (stream, "\tcmpl %0I%s+%d,%Rsp\n\ttrapcs\n",
+ asm_fprintf (stream, "\tcmpl %I%s+%wd,%Rsp\n\ttrapcs\n",
XSTR (stack_limit_rtx, 0), fsize + 4);
#endif
}
{
/* on the 68040, pea + move is faster than link.w 0 */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tpea (%s)\n\tmove.l %s,%s\n",
- reg_names[FRAME_POINTER_REGNUM], reg_names[STACK_POINTER_REGNUM],
- reg_names[FRAME_POINTER_REGNUM]);
+ fprintf (stream, "\tpea (%s)\n\tmove.l %s,%s\n",
+ reg_names[FRAME_POINTER_REGNUM],
+ reg_names[STACK_POINTER_REGNUM],
+ reg_names[FRAME_POINTER_REGNUM]);
#else
- asm_fprintf (stream, "\tpea %s@\n\tmovel %s,%s\n",
- reg_names[FRAME_POINTER_REGNUM], reg_names[STACK_POINTER_REGNUM],
- reg_names[FRAME_POINTER_REGNUM]);
+ fprintf (stream, "\tpea %s@\n\tmovel %s,%s\n",
+ reg_names[FRAME_POINTER_REGNUM],
+ reg_names[STACK_POINTER_REGNUM],
+ reg_names[FRAME_POINTER_REGNUM]);
#endif
}
else if (fsize < 0x8000)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tlink.w %s,%0I%d\n",
+ asm_fprintf (stream, "\tlink.w %s,%I%wd\n",
reg_names[FRAME_POINTER_REGNUM], -fsize);
#else
- asm_fprintf (stream, "\tlink %s,%0I%d\n",
+ asm_fprintf (stream, "\tlink %s,%I%wd\n",
reg_names[FRAME_POINTER_REGNUM], -fsize);
#endif
}
else if (TARGET_68020)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tlink.l %s,%0I%d\n",
+ asm_fprintf (stream, "\tlink.l %s,%I%wd\n",
reg_names[FRAME_POINTER_REGNUM], -fsize);
#else
- asm_fprintf (stream, "\tlink %s,%0I%d\n",
+ asm_fprintf (stream, "\tlink %s,%I%wd\n",
reg_names[FRAME_POINTER_REGNUM], -fsize);
#endif
}
{
/* Adding negative number is faster on the 68040. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tlink.w %s,%0I0\n\tadd.l %0I%d,%Rsp\n",
+ asm_fprintf (stream, "\tlink.w %s,%I0\n\tadd.l %I%wd,%Rsp\n",
reg_names[FRAME_POINTER_REGNUM], -fsize);
#else
- asm_fprintf (stream, "\tlink %s,%0I0\n\taddl %0I%d,%Rsp\n",
+ asm_fprintf (stream, "\tlink %s,%I0\n\taddl %I%wd,%Rsp\n",
reg_names[FRAME_POINTER_REGNUM], -fsize);
#endif
}
{
if (fsize + 4 < 0x8000)
{
-#ifndef NO_ADDSUB_Q
if (fsize + 4 <= 8)
{
- if (!TARGET_5200)
+ if (!TARGET_COLDFIRE)
{
- /* asm_fprintf() cannot handle %. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tsubq.w %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tsubq.w %I%wd,%Rsp\n", fsize + 4);
#else
- asm_fprintf (stream, "\tsubqw %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tsubqw %I%wd,%Rsp\n", fsize + 4);
#endif
}
else
{
- /* asm_fprintf() cannot handle %. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tsubq.l %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tsubq.l %I%wd,%Rsp\n", fsize + 4);
#else
- asm_fprintf (stream, "\tsubql %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tsubql %I%wd,%Rsp\n", fsize + 4);
#endif
}
}
else if (fsize + 4 <= 16 && TARGET_CPU32)
{
/* On the CPU32 it is faster to use two subqw instructions to
- subtract a small integer (8 < N <= 16) to a register. */
- /* asm_fprintf() cannot handle %. */
+ subtract a small integer (8 < N <= 16) to a register. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tsubq.w %0I8,%Rsp\n\tsubq.w %0I%d,%Rsp\n",
+ asm_fprintf (stream,
+ "\tsubq.w %I8,%Rsp\n\tsubq.w %I%wd,%Rsp\n",
fsize + 4 - 8);
#else
- asm_fprintf (stream, "\tsubqw %0I8,%Rsp\n\tsubqw %0I%d,%Rsp\n",
+ asm_fprintf (stream, "\tsubqw %I8,%Rsp\n\tsubqw %I%wd,%Rsp\n",
fsize + 4 - 8);
#endif
}
- else
-#endif /* not NO_ADDSUB_Q */
- if (TARGET_68040)
+ else if (TARGET_68040)
{
/* Adding negative number is faster on the 68040. */
- /* asm_fprintf() cannot handle %. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tadd.w %0I%d,%Rsp\n", - (fsize + 4));
+ asm_fprintf (stream, "\tadd.w %I%wd,%Rsp\n", - (fsize + 4));
#else
- asm_fprintf (stream, "\taddw %0I%d,%Rsp\n", - (fsize + 4));
+ asm_fprintf (stream, "\taddw %I%wd,%Rsp\n", - (fsize + 4));
#endif
}
else
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tlea (%d,%Rsp),%Rsp\n", - (fsize + 4));
+ asm_fprintf (stream, "\tlea (%wd,%Rsp),%Rsp\n", - (fsize + 4));
#else
- asm_fprintf (stream, "\tlea %Rsp@(%d),%Rsp\n", - (fsize + 4));
+ asm_fprintf (stream, "\tlea %Rsp@(%wd),%Rsp\n", - (fsize + 4));
#endif
}
}
else
{
- /* asm_fprintf() cannot handle %. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tadd.l %0I%d,%Rsp\n", - (fsize + 4));
+ asm_fprintf (stream, "\tadd.l %I%wd,%Rsp\n", - (fsize + 4));
#else
- asm_fprintf (stream, "\taddl %0I%d,%Rsp\n", - (fsize + 4));
+ asm_fprintf (stream, "\taddl %I%wd,%Rsp\n", - (fsize + 4));
#endif
}
if (dwarf2out_do_frame ())
{
- cfa_store_offset += fsize;
+ cfa_store_offset += fsize + 4;
cfa_offset = cfa_store_offset;
dwarf2out_def_cfa ("", STACK_POINTER_REGNUM, cfa_offset);
}
}
-#ifdef SUPPORT_SUN_FPA
- for (regno = 24; regno < 56; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
-#ifdef MOTOROLA
- asm_fprintf (stream, "\tfpmovd %s,-(%Rsp)\n",
- reg_names[regno]);
-#else
- asm_fprintf (stream, "\tfpmoved %s,%Rsp@-\n",
- reg_names[regno]);
-#endif
- if (dwarf2out_do_frame ())
- {
- char *l = dwarf2out_cfi_label ();
-
- cfa_store_offset += 8;
- if (! frame_pointer_needed)
- {
- cfa_offset = cfa_store_offset;
- dwarf2out_def_cfa (l, STACK_POINTER_REGNUM, cfa_offset);
- }
- dwarf2out_reg_save (l, regno, -cfa_store_offset);
- }
- }
-#endif
if (TARGET_68881)
{
for (regno = 16; regno < 24; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (m68k_save_reg (regno))
{
mask |= 1 << (regno - 16);
num_saved_regs++;
if ((mask & 0xff) != 0)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tfmovm %0I0x%x,-(%Rsp)\n", mask & 0xff);
+ asm_fprintf (stream, "\tfmovm %I0x%x,-(%Rsp)\n", mask & 0xff);
#else
- asm_fprintf (stream, "\tfmovem %0I0x%x,%Rsp@-\n", mask & 0xff);
+ asm_fprintf (stream, "\tfmovem %I0x%x,%Rsp@-\n", mask & 0xff);
#endif
if (dwarf2out_do_frame ())
{
num_saved_regs = 0;
}
for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (m68k_save_reg (regno))
{
mask |= 1 << (15 - regno);
num_saved_regs++;
}
- if (frame_pointer_needed)
- {
- mask &= ~ (1 << (15 - FRAME_POINTER_REGNUM));
- num_saved_regs--;
- }
- if (flag_pic && current_function_uses_pic_offset_table)
- {
- mask |= 1 << (15 - PIC_OFFSET_TABLE_REGNUM);
- num_saved_regs++;
- }
-
-#if NEED_PROBE
-#ifdef MOTOROLA
- asm_fprintf (stream, "\ttst.l %d(%Rsp)\n", NEED_PROBE - num_saved_regs * 4);
-#else
- asm_fprintf (stream, "\ttstl %Rsp@(%d)\n", NEED_PROBE - num_saved_regs * 4);
-#endif
-#endif
/* If the stack limit is not a symbol, check it here.
This has the disadvantage that it may be too late... */
int i;
- /* Undo the work from above. */
+ /* Undo the work from above. */
for (i = 0; i< 16; i++)
if (mask & (1 << i))
{
}
else if (mask)
{
- if (TARGET_5200)
+ if (TARGET_COLDFIRE)
{
/* The coldfire does not support the predecrement form of the
movml instruction, so we must adjust the stack pointer and
#ifdef MOTOROLA
asm_fprintf (stream, "\tlea (%d,%Rsp),%Rsp\n", -num_saved_regs*4);
- asm_fprintf (stream, "\tmovm.l %0I0x%x,(%Rsp)\n", newmask);
+ asm_fprintf (stream, "\tmovm.l %I0x%x,(%Rsp)\n", newmask);
#else
asm_fprintf (stream, "\tlea %Rsp@(%d),%Rsp\n", -num_saved_regs*4);
- asm_fprintf (stream, "\tmoveml %0I0x%x,%Rsp@\n", newmask);
+ asm_fprintf (stream, "\tmoveml %I0x%x,%Rsp@\n", newmask);
#endif
}
else
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tmovm.l %0I0x%x,-(%Rsp)\n", mask);
+ asm_fprintf (stream, "\tmovm.l %I0x%x,-(%Rsp)\n", mask);
#else
- asm_fprintf (stream, "\tmoveml %0I0x%x,%Rsp@-\n", mask);
+ asm_fprintf (stream, "\tmoveml %I0x%x,%Rsp@-\n", mask);
#endif
}
if (dwarf2out_do_frame ())
asm_fprintf (stream, "\t%Olea (%Rpc, %U_GLOBAL_OFFSET_TABLE_@GOTPC), %s\n",
reg_names[PIC_OFFSET_TABLE_REGNUM]);
#else
- asm_fprintf (stream, "\tmovel %0I__GLOBAL_OFFSET_TABLE_, %s\n",
+ asm_fprintf (stream, "\tmovel %I%U_GLOBAL_OFFSET_TABLE_, %s\n",
reg_names[PIC_OFFSET_TABLE_REGNUM]);
asm_fprintf (stream, "\tlea %Rpc@(0,%s:l),%s\n",
reg_names[PIC_OFFSET_TABLE_REGNUM],
reg_names[PIC_OFFSET_TABLE_REGNUM]);
#endif
}
-}
-#endif /* ! (DPX2 && MOTOROLA) */
-#endif /* ! (NEWS && MOTOROLA) */
-#endif /* !CRDS */
-\f
-/* Return true if this function's epilogue can be output as RTL. */
-
-int
-use_return_insn ()
-{
- int regno;
-
- if (!reload_completed || frame_pointer_needed || get_frame_size () != 0)
- return 0;
-
- /* Copied from output_function_epilogue (). We should probably create a
- separate layout routine to perform the common work. */
-
- for (regno = 0 ; regno < FIRST_PSEUDO_REGISTER ; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- return 0;
-
- if (flag_pic && current_function_uses_pic_offset_table)
- return 0;
-
- return 1;
-}
-
-/* This function generates the assembly code for function exit,
- on machines that need it.
-
- The function epilogue should not depend on the current stack pointer!
- It should use the frame pointer only, if there is a frame pointer.
- This is mandatory because of alloca; we also take advantage of it to
- omit stack adjustments before returning. */
-
-#ifdef CRDS
-
-static void
-m68k_output_function_epilogue (stream, size)
- FILE *stream;
- HOST_WIDE_INT size;
-{
- register int regno;
- register int mask, fmask;
- register int nregs;
- HOST_WIDE_INT offset, foffset, fpoffset;
- extern char call_used_regs[];
- HOST_WIDE_INT fsize = ((size) + 3) & -4;
- int big = 0;
-
- nregs = 0; fmask = 0; fpoffset = 0;
- for (regno = 16; regno < 24; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- nregs++;
- fmask |= 1 << (23 - regno);
- }
-
- foffset = fpoffset + nregs * 12;
- nregs = 0; mask = 0;
- if (frame_pointer_needed)
- regs_ever_live[FRAME_POINTER_REGNUM] = 0;
-
- for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- nregs++;
- mask |= 1 << regno;
- }
-
- offset = foffset + nregs * 4;
- if (offset + fsize >= 0x8000
- && frame_pointer_needed
- && (mask || fmask || fpoffset))
- {
- fprintf (stream, "\tmovel $%d,a0\n", -fsize);
- fsize = 0, big = 1;
- }
-
- if (exact_log2 (mask) >= 0)
- {
- if (big)
- fprintf (stream, "\tmovel -%d(a6,a0.l),%s\n",
- offset + fsize, reg_names[exact_log2 (mask)]);
- else if (! frame_pointer_needed)
- fprintf (stream, "\tmovel (sp)+,%s\n",
- reg_names[exact_log2 (mask)]);
- else
- fprintf (stream, "\tmovel -%d(a6),%s\n",
- offset + fsize, reg_names[exact_log2 (mask)]);
- }
- else if (mask)
- {
- if (big)
- fprintf (stream, "\tmovem -%d(a6,a0.l),$0x%x\n",
- offset + fsize, mask);
- else if (! frame_pointer_needed)
- fprintf (stream, "\tmovem (sp)+,$0x%x\n", mask);
- else
- fprintf (stream, "\tmovem -%d(a6),$0x%x\n",
- offset + fsize, mask);
- }
-
- if (fmask)
- {
- if (big)
- fprintf (stream, "\tfmovem -%d(a6,a0.l),$0x%x\n",
- foffset + fsize, fmask);
- else if (! frame_pointer_needed)
- fprintf (stream, "\tfmovem (sp)+,$0x%x\n", fmask);
- else
- fprintf (stream, "\tfmovem -%d(a6),$0x%x\n",
- foffset + fsize, fmask);
- }
-
- if (fpoffset != 0)
- for (regno = 55; regno >= 24; regno--)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- if (big)
- fprintf(stream, "\tfpmoved -%d(a6,a0.l), %s\n",
- fpoffset + fsize, reg_names[regno]);
- else if (! frame_pointer_needed)
- fprintf(stream, "\tfpmoved (sp)+, %s\n",
- reg_names[regno]);
- else
- fprintf(stream, "\tfpmoved -%d(a6), %s\n",
- fpoffset + fsize, reg_names[regno]);
- fpoffset -= 8;
- }
-
- if (frame_pointer_needed)
- fprintf (stream, "\tunlk a6\n");
- else if (fsize)
- {
- if (fsize + 4 < 0x8000)
- fprintf (stream, "\tadd.w #%d,sp\n", fsize + 4);
- else
- fprintf (stream, "\tadd.l #%d,sp\n", fsize + 4);
- }
-
- if (current_function_pops_args)
- fprintf (stream, "\trtd $%d\n", current_function_pops_args);
- else
- fprintf (stream, "\trts\n");
-}
-
-#else
-#if defined (DPX2) && defined (MOTOROLA)
-
-static void
-m68k_output_function_epilogue (stream, size)
- FILE *stream;
- HOST_WIDE_INT size;
-{
- register int regno;
- register int mask, fmask;
- register int nregs;
- HOST_WIDE_INT offset, foffset, fpoffset, first = 1;
- extern char call_used_regs[];
- HOST_WIDE_INT fsize = ((size) + 3) & -4;
- int big = 0;
- rtx insn = get_last_insn ();
-
- /* If the last insn was a BARRIER, we don't have to write any code. */
- if (GET_CODE (insn) == NOTE)
- insn = prev_nonnote_insn (insn);
- if (insn && GET_CODE (insn) == BARRIER)
- {
- /* Output just a no-op so that debuggers don't get confused
- about which function the pc is in at this address. */
- fprintf (stream, "\tnop\n");
- return;
- }
-
- nregs = 0; fmask = 0; fpoffset = 0;
- for (regno = 16; regno < 24; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- nregs++;
- fmask |= 1 << (23 - regno);
- }
-
- foffset = fpoffset + nregs * 12;
- nregs = 0; mask = 0;
- if (frame_pointer_needed)
- regs_ever_live[FRAME_POINTER_REGNUM] = 0;
-
- for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- nregs++;
- mask |= 1 << regno;
- }
-
- offset = foffset + nregs * 4;
- if (offset + fsize >= 0x8000
- && frame_pointer_needed
- && (mask || fmask || fpoffset))
- {
- fprintf (stream, "\tmove.l #%d,a0\n", -fsize);
- fsize = 0, big = 1;
- }
-
- if (nregs <= 2)
- {
- /* Restore each separately in the same order moveml does.
- Using two movel instructions instead of a single moveml
- is about 15% faster for the 68020 and 68030 at no expense
- in code size. */
-
- int i;
-
- /* Undo the work from above. */
- for (i = 0; i< 16; i++)
- if (mask & (1 << i))
- {
- if (big)
- fprintf (stream, "\tmove.l -%d(%s,a0.l),%s\n",
- offset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[i]);
- else if (! frame_pointer_needed)
- fprintf (stream, "\tmove.l (sp)+,%s\n",
- reg_names[i]);
- else
- fprintf (stream, "\tmove.l -%d(%s),%s\n",
- offset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[i]);
- offset = offset - 4;
- }
- }
- else if (mask)
- {
- first = 1;
- for (regno = 0; regno < 16; regno++)
- if (mask & (1 << regno))
- {
- if (first && big)
- {
- fprintf (stream, "\tmovem.l -%d(%s,a0.l),%s",
- offset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[regno]);
- first = 0;
- }
- else if (first && ! frame_pointer_needed)
- {
- fprintf (stream, "\tmovem.l (sp)+,%s",
- reg_names[regno]);
- first = 0;
- }
- else if (first)
- {
- fprintf (stream, "\tmovem.l -%d(%s),%s",
- offset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[regno]);
- first = 0;
- }
- else
- fprintf (stream, "/%s", reg_names[regno]);
- }
- fprintf (stream, "\n");
- }
-
- if (fmask)
- {
- first = 1;
- for (regno = 16; regno < 24; regno++)
- if (fmask & (1 << (23 - regno)))
- {
- if (first && big)
- {
- fprintf (stream, "\tfmovem.x -%d(%s,a0.l),%s",
- foffset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[regno]);
- first = 0;
- }
- else if (first && ! frame_pointer_needed)
- {
- fprintf (stream, "\tfmovem.x (sp)+,%s",
- reg_names[regno]);
- first = 0;
- }
- else if (first)
- {
- fprintf (stream, "\tfmovem.x -%d(%s),%s",
- foffset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[regno]);
- first = 0;
- }
- else
- fprintf (stream, "/%s", reg_names[regno]);
- }
- fprintf (stream, "\n");
- }
-
- if (frame_pointer_needed)
- fprintf (stream, "\tunlk %s\n",
- reg_names[FRAME_POINTER_REGNUM]);
- else if (fsize)
- {
- if (fsize + 4 < 0x8000)
- fprintf (stream, "\tadd.w #%d,sp\n", fsize + 4);
- else
- fprintf (stream, "\tadd.l #%d,sp\n", fsize + 4);
- }
-
- if (current_function_pops_args)
- fprintf (stream, "\trtd #%d\n", current_function_pops_args);
- else
- fprintf (stream, "\trts\n");
-}
-
-#else
-#if defined (NEWS) && defined (MOTOROLA)
-
-static void
-m68k_output_function_epilogue (stream, size)
- FILE *stream;
- HOST_WIDE_INT size;
-{
- register int regno;
- register int mask, fmask;
- register int nregs;
- HOST_WIDE_INT offset, foffset;
- extern char call_used_regs[];
- HOST_WIDE_INT fsize = ((size) + 3) & -4;
- int big = 0;
-
- nregs = 0; fmask = 0;
- for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- nregs++;
- fmask |= 1 << (23 - regno);
- }
-
- foffset = nregs * 12;
- nregs = 0; mask = 0;
- if (frame_pointer_needed)
- regs_ever_live[FRAME_POINTER_REGNUM] = 0;
-
- for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- nregs++;
- mask |= 1 << regno;
- }
-
- offset = foffset + nregs * 4;
- if (offset + fsize >= 0x8000
- && frame_pointer_needed
- && (mask || fmask))
- {
- fprintf (stream, "\tmove.l #%d,a0\n", -fsize);
- fsize = 0, big = 1;
- }
-
- if (exact_log2 (mask) >= 0)
- {
- if (big)
- fprintf (stream, "\tmove.l (-%d,fp,a0.l),%s\n",
- offset + fsize, reg_names[exact_log2 (mask)]);
- else if (! frame_pointer_needed)
- fprintf (stream, "\tmove.l (sp)+,%s\n",
- reg_names[exact_log2 (mask)]);
- else
- fprintf (stream, "\tmove.l (-%d,fp),%s\n",
- offset + fsize, reg_names[exact_log2 (mask)]);
- }
- else if (mask)
- {
- if (big)
- fprintf (stream, "\tmovem.l (-%d,fp,a0.l),#0x%x\n",
- offset + fsize, mask);
- else if (! frame_pointer_needed)
- fprintf (stream, "\tmovem.l (sp)+,#0x%x\n", mask);
- else
- fprintf (stream, "\tmovem.l (-%d,fp),#0x%x\n",
- offset + fsize, mask);
- }
-
- if (fmask)
- {
- if (big)
- fprintf (stream, "\tfmovem.x (-%d,fp,a0.l),#0x%x\n",
- foffset + fsize, fmask);
- else if (! frame_pointer_needed)
- fprintf (stream, "\tfmovem.x (sp)+,#0x%x\n", fmask);
- else
- fprintf (stream, "\tfmovem.x (-%d,fp),#0x%x\n",
- foffset + fsize, fmask);
- }
-
- if (frame_pointer_needed)
- fprintf (stream, "\tunlk fp\n");
- else if (fsize)
- {
- if (fsize + 4 < 0x8000)
- fprintf (stream, "\tadd.w #%d,sp\n", fsize + 4);
- else
- fprintf (stream, "\tadd.l #%d,sp\n", fsize + 4);
- }
+}
+\f
+/* Return true if this function's epilogue can be output as RTL. */
- if (current_function_pops_args)
- fprintf (stream, "\trtd #%d\n", current_function_pops_args);
- else
- fprintf (stream, "\trts\n");
+int
+use_return_insn ()
+{
+ int regno;
+
+ if (!reload_completed || frame_pointer_needed || get_frame_size () != 0)
+ return 0;
+
+ for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
+ if (m68k_save_reg (regno))
+ return 0;
+
+ return 1;
}
-#else /* !CRDS && ! (NEWS && MOTOROLA) && ! (DPX2 && MOTOROLA) */
+/* This function generates the assembly code for function exit,
+ on machines that need it.
+
+ The function epilogue should not depend on the current stack pointer!
+ It should use the frame pointer only, if there is a frame pointer.
+ This is mandatory because of alloca; we also take advantage of it to
+ omit stack adjustments before returning. */
static void
m68k_output_function_epilogue (stream, size)
register int regno;
register int mask, fmask;
register int nregs;
- HOST_WIDE_INT offset, foffset, fpoffset;
- extern char call_used_regs[];
+ HOST_WIDE_INT offset, foffset;
HOST_WIDE_INT fsize = (size + 3) & -4;
int big = 0;
rtx insn = get_last_insn ();
{
/* Output just a no-op so that debuggers don't get confused
about which function the pc is in at this address. */
- asm_fprintf (stream, "\tnop\n");
+ fprintf (stream, "\tnop\n");
return;
}
-#ifdef FUNCTION_BLOCK_PROFILER_EXIT
- if (profile_block_flag == 2)
- {
- FUNCTION_BLOCK_PROFILER_EXIT (stream);
- }
-#endif
-
#ifdef FUNCTION_EXTRA_EPILOGUE
FUNCTION_EXTRA_EPILOGUE (stream, size);
#endif
- nregs = 0; fmask = 0; fpoffset = 0;
-#ifdef SUPPORT_SUN_FPA
- for (regno = 24 ; regno < 56 ; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- nregs++;
- fpoffset = nregs * 8;
-#endif
- nregs = 0;
+ nregs = 0; fmask = 0;
if (TARGET_68881)
{
for (regno = 16; regno < 24; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (m68k_save_reg (regno))
{
nregs++;
fmask |= 1 << (23 - regno);
}
}
- foffset = fpoffset + nregs * 12;
+ foffset = nregs * 12;
nregs = 0; mask = 0;
- if (frame_pointer_needed)
- regs_ever_live[FRAME_POINTER_REGNUM] = 0;
for (regno = 0; regno < 16; regno++)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
+ if (m68k_save_reg (regno))
{
nregs++;
mask |= 1 << regno;
}
- if (flag_pic && current_function_uses_pic_offset_table)
- {
- nregs++;
- mask |= 1 << PIC_OFFSET_TABLE_REGNUM;
- }
offset = foffset + nregs * 4;
/* FIXME : leaf_function_p below is too strong.
What we really need to know there is if there could be pending
- stack adjustment needed at that point. */
+ stack adjustment needed at that point. */
restore_from_sp = ! frame_pointer_needed
|| (! current_function_calls_alloca && leaf_function_p ());
if (offset + fsize >= 0x8000
&& ! restore_from_sp
- && (mask || fmask || fpoffset))
+ && (mask || fmask))
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\t%Omove.l %0I%d,%Ra1\n", -fsize);
+ asm_fprintf (stream, "\t%Omove.l %I%wd,%Ra1\n", -fsize);
#else
- asm_fprintf (stream, "\tmovel %0I%d,%Ra1\n", -fsize);
+ asm_fprintf (stream, "\tmovel %I%wd,%Ra1\n", -fsize);
#endif
fsize = 0, big = 1;
}
- if (TARGET_5200 || nregs <= 2)
+ if (TARGET_COLDFIRE || nregs <= 2)
{
/* Restore each separately in the same order moveml does.
Using two movel instructions instead of a single moveml
is about 15% faster for the 68020 and 68030 at no expense
- in code size. */
+ in code size. */
int i;
- /* Undo the work from above. */
+ /* Undo the work from above. */
for (i = 0; i< 16; i++)
if (mask & (1 << i))
{
if (big)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\t%Omove.l -%d(%s,%Ra1.l),%s\n",
+ asm_fprintf (stream, "\t%Omove.l -%wd(%s,%Ra1.l),%s\n",
offset + fsize,
reg_names[FRAME_POINTER_REGNUM],
reg_names[i]);
#else
- asm_fprintf (stream, "\tmovel %s@(-%d,%Ra1:l),%s\n",
+ asm_fprintf (stream, "\tmovel %s@(-%wd,%Ra1:l),%s\n",
reg_names[FRAME_POINTER_REGNUM],
offset + fsize, reg_names[i]);
#endif
else
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\t%Omove.l -%d(%s),%s\n",
+ asm_fprintf (stream, "\t%Omove.l -%wd(%s),%s\n",
offset + fsize,
reg_names[FRAME_POINTER_REGNUM],
reg_names[i]);
#else
- asm_fprintf (stream, "\tmovel %s@(-%d),%s\n",
+ asm_fprintf (stream, "\tmovel %s@(-%wd),%s\n",
reg_names[FRAME_POINTER_REGNUM],
offset + fsize, reg_names[i]);
#endif
if (big)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tmovm.l -%d(%s,%Ra1.l),%0I0x%x\n",
+ asm_fprintf (stream, "\tmovm.l -%wd(%s,%Ra1.l),%I0x%x\n",
offset + fsize,
reg_names[FRAME_POINTER_REGNUM],
mask);
#else
- asm_fprintf (stream, "\tmoveml %s@(-%d,%Ra1:l),%0I0x%x\n",
+ asm_fprintf (stream, "\tmoveml %s@(-%wd,%Ra1:l),%I0x%x\n",
reg_names[FRAME_POINTER_REGNUM],
offset + fsize, mask);
#endif
else if (restore_from_sp)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tmovm.l (%Rsp)+,%0I0x%x\n", mask);
+ asm_fprintf (stream, "\tmovm.l (%Rsp)+,%I0x%x\n", mask);
#else
- asm_fprintf (stream, "\tmoveml %Rsp@+,%0I0x%x\n", mask);
+ asm_fprintf (stream, "\tmoveml %Rsp@+,%I0x%x\n", mask);
#endif
}
else
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tmovm.l -%d(%s),%0I0x%x\n",
+ asm_fprintf (stream, "\tmovm.l -%wd(%s),%I0x%x\n",
offset + fsize,
reg_names[FRAME_POINTER_REGNUM],
mask);
#else
- asm_fprintf (stream, "\tmoveml %s@(-%d),%0I0x%x\n",
+ asm_fprintf (stream, "\tmoveml %s@(-%wd),%I0x%x\n",
reg_names[FRAME_POINTER_REGNUM],
offset + fsize, mask);
#endif
if (big)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tfmovm -%d(%s,%Ra1.l),%0I0x%x\n",
+ asm_fprintf (stream, "\tfmovm -%wd(%s,%Ra1.l),%I0x%x\n",
foffset + fsize,
reg_names[FRAME_POINTER_REGNUM],
fmask);
#else
- asm_fprintf (stream, "\tfmovem %s@(-%d,%Ra1:l),%0I0x%x\n",
+ asm_fprintf (stream, "\tfmovem %s@(-%wd,%Ra1:l),%I0x%x\n",
reg_names[FRAME_POINTER_REGNUM],
foffset + fsize, fmask);
#endif
else if (restore_from_sp)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tfmovm (%Rsp)+,%0I0x%x\n", fmask);
+ asm_fprintf (stream, "\tfmovm (%Rsp)+,%I0x%x\n", fmask);
#else
- asm_fprintf (stream, "\tfmovem %Rsp@+,%0I0x%x\n", fmask);
+ asm_fprintf (stream, "\tfmovem %Rsp@+,%I0x%x\n", fmask);
#endif
}
else
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tfmovm -%d(%s),%0I0x%x\n",
+ asm_fprintf (stream, "\tfmovm -%wd(%s),%I0x%x\n",
foffset + fsize,
reg_names[FRAME_POINTER_REGNUM],
fmask);
#else
- asm_fprintf (stream, "\tfmovem %s@(-%d),%0I0x%x\n",
+ asm_fprintf (stream, "\tfmovem %s@(-%wd),%I0x%x\n",
reg_names[FRAME_POINTER_REGNUM],
foffset + fsize, fmask);
#endif
}
}
- if (fpoffset != 0)
- for (regno = 55; regno >= 24; regno--)
- if (regs_ever_live[regno] && ! call_used_regs[regno])
- {
- if (big)
- {
-#ifdef MOTOROLA
- asm_fprintf (stream, "\tfpmovd -%d(%s,%Ra1.l), %s\n",
- fpoffset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[regno]);
-#else
- asm_fprintf (stream, "\tfpmoved %s@(-%d,%Ra1:l), %s\n",
- reg_names[FRAME_POINTER_REGNUM],
- fpoffset + fsize, reg_names[regno]);
-#endif
- }
- else if (restore_from_sp)
- {
-#ifdef MOTOROLA
- asm_fprintf (stream, "\tfpmovd (%Rsp)+,%s\n",
- reg_names[regno]);
-#else
- asm_fprintf (stream, "\tfpmoved %Rsp@+, %s\n",
- reg_names[regno]);
-#endif
- }
- else
- {
-#ifdef MOTOROLA
- asm_fprintf (stream, "\tfpmovd -%d(%s), %s\n",
- fpoffset + fsize,
- reg_names[FRAME_POINTER_REGNUM],
- reg_names[regno]);
-#else
- asm_fprintf (stream, "\tfpmoved %s@(-%d), %s\n",
- reg_names[FRAME_POINTER_REGNUM],
- fpoffset + fsize, reg_names[regno]);
-#endif
- }
- fpoffset -= 8;
- }
if (frame_pointer_needed)
fprintf (stream, "\tunlk %s\n",
reg_names[FRAME_POINTER_REGNUM]);
else if (fsize)
{
-#ifndef NO_ADDSUB_Q
if (fsize + 4 <= 8)
{
- if (!TARGET_5200)
+ if (!TARGET_COLDFIRE)
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\taddq.w %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\taddq.w %I%wd,%Rsp\n", fsize + 4);
#else
- asm_fprintf (stream, "\taddqw %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\taddqw %I%wd,%Rsp\n", fsize + 4);
#endif
}
else
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\taddq.l %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\taddq.l %I%wd,%Rsp\n", fsize + 4);
#else
- asm_fprintf (stream, "\taddql %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\taddql %I%wd,%Rsp\n", fsize + 4);
#endif
}
}
else if (fsize + 4 <= 16 && TARGET_CPU32)
{
/* On the CPU32 it is faster to use two addqw instructions to
- add a small integer (8 < N <= 16) to a register. */
- /* asm_fprintf() cannot handle %. */
+ add a small integer (8 < N <= 16) to a register. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\taddq.w %0I8,%Rsp\n\taddq.w %0I%d,%Rsp\n",
+ asm_fprintf (stream, "\taddq.w %I8,%Rsp\n\taddq.w %I%wd,%Rsp\n",
fsize + 4 - 8);
#else
- asm_fprintf (stream, "\taddqw %0I8,%Rsp\n\taddqw %0I%d,%Rsp\n",
+ asm_fprintf (stream, "\taddqw %I8,%Rsp\n\taddqw %I%wd,%Rsp\n",
fsize + 4 - 8);
#endif
}
- else
-#endif /* not NO_ADDSUB_Q */
- if (fsize + 4 < 0x8000)
+ else if (fsize + 4 < 0x8000)
{
if (TARGET_68040)
{
- /* asm_fprintf() cannot handle %. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tadd.w %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tadd.w %I%wd,%Rsp\n", fsize + 4);
#else
- asm_fprintf (stream, "\taddw %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\taddw %I%wd,%Rsp\n", fsize + 4);
#endif
}
else
{
#ifdef MOTOROLA
- asm_fprintf (stream, "\tlea (%d,%Rsp),%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tlea (%wd,%Rsp),%Rsp\n", fsize + 4);
#else
- asm_fprintf (stream, "\tlea %Rsp@(%d),%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tlea %Rsp@(%wd),%Rsp\n", fsize + 4);
#endif
}
}
else
{
- /* asm_fprintf() cannot handle %. */
+ /* asm_fprintf() cannot handle %. */
#ifdef MOTOROLA
- asm_fprintf (stream, "\tadd.l %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\tadd.l %I%wd,%Rsp\n", fsize + 4);
#else
- asm_fprintf (stream, "\taddl %0I%d,%Rsp\n", fsize + 4);
+ asm_fprintf (stream, "\taddl %I%wd,%Rsp\n", fsize + 4);
#endif
}
}
+ if (current_function_calls_eh_return)
+ {
+#ifdef MOTOROLA
+ asm_fprintf (stream, "\tadd.l %Ra0,%Rsp\n");
+#else
+ asm_fprintf (stream, "\taddl %Ra0,%Rsp\n");
+#endif
+ }
if (current_function_pops_args)
- asm_fprintf (stream, "\trtd %0I%d\n", current_function_pops_args);
+ asm_fprintf (stream, "\trtd %I%d\n", current_function_pops_args);
else
fprintf (stream, "\trts\n");
}
-
-#endif /* ! (DPX2 && MOTOROLA) */
-#endif /* ! (NEWS && MOTOROLA) */
-#endif /* !CRDS */
\f
/* Similar to general_operand, but exclude stack_pointer_rtx. */
}
}
-/* Return non-zero if flags are currently in the 68881 flag register. */
+/* Return nonzero if flags are currently in the 68881 flag register. */
int
flags_in_68881 ()
{
}
/* If the decrement is to be done in SImode, then we have
- to compensate for the fact that dbcc decrements in HImode. */
+ to compensate for the fact that dbcc decrements in HImode. */
switch (GET_MODE (operands[0]))
{
case SImode:
rtx loperands[7];
enum rtx_code op_code = GET_CODE (op);
- /* This does not produce a usefull cc. */
+ /* This does not produce a useful cc. */
CC_STATUS_INIT;
/* The m68k cmp.l instruction requires operand1 to be a reg as used
}
else
{
- if (TARGET_68020 || TARGET_5200 || ! ADDRESS_REG_P (loperands[0]))
+ if (TARGET_68020 || TARGET_COLDFIRE || ! ADDRESS_REG_P (loperands[0]))
output_asm_insn ("tst%.l %0", loperands);
else
{
output_asm_insn ("jne %l4", loperands);
#endif
- if (TARGET_68020 || TARGET_5200 || ! ADDRESS_REG_P (loperands[1]))
+ if (TARGET_68020 || TARGET_COLDFIRE || ! ADDRESS_REG_P (loperands[1]))
output_asm_insn ("tst%.l %1", loperands);
else
{
switch (op_code)
{
case EQ:
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("seq %5", loperands);
break;
case NE:
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("sne %5", loperands);
break;
#else
output_asm_insn ("shi %5\n\tjra %l6", loperands);
#endif
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("sgt %5", loperands);
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[6]));
break;
case GTU:
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("shi %5", loperands);
break;
#else
output_asm_insn ("scs %5\n\tjra %l6", loperands);
#endif
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("slt %5", loperands);
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[6]));
break;
case LTU:
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("scs %5", loperands);
break;
#else
output_asm_insn ("scc %5\n\tjra %l6", loperands);
#endif
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("sge %5", loperands);
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[6]));
break;
case GEU:
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("scc %5", loperands);
break;
#else
output_asm_insn ("sls %5\n\tjra %l6", loperands);
#endif
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("sle %5", loperands);
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[6]));
break;
case LEU:
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
+ (*targetm.asm_out.internal_label) (asm_out_file, "L",
CODE_LABEL_NUMBER (loperands[4]));
output_asm_insn ("sls %5", loperands);
break;
}
}
\f
-/* Check for sign_extend or zero_extend. Used for bit-count operands. */
+/* Check for sign_extend or zero_extend. Used for bit-count operands. */
int
extend_operator(x, mode)
if (USE_MOVQ (i))
return MOVQ;
- /* The Coldfire doesn't have byte or word operations. */
+ /* The Coldfire doesn't have byte or word operations. */
/* FIXME: This may not be useful for the m68060 either */
- if (!TARGET_5200)
+ if (!TARGET_COLDFIRE)
{
/* if -256 < N < 256 but N is not in range for a moveq
- N^ff will be, so use moveq #N^ff, dreg; not.b dreg. */
+ N^ff will be, so use moveq #N^ff, dreg; not.b dreg. */
if (USE_MOVQ (i ^ 0xff))
return NOTB;
/* Likewise, try with not.w */
return MOVL;
}
-int
+static int
const_int_cost (constant)
rtx constant;
{
}
}
+static bool
+m68k_rtx_costs (x, code, outer_code, total)
+ rtx x;
+ int code, outer_code;
+ int *total;
+{
+ switch (code)
+ {
+ case CONST_INT:
+ /* Constant zero is super cheap due to clr instruction. */
+ if (x == const0_rtx)
+ *total = 0;
+ else
+ *total = const_int_cost (x);
+ return true;
+
+ case CONST:
+ case LABEL_REF:
+ case SYMBOL_REF:
+ *total = 3;
+ return true;
+
+ case CONST_DOUBLE:
+ /* Make 0.0 cheaper than other floating constants to
+ encourage creating tstsf and tstdf insns. */
+ if (outer_code == COMPARE
+ && (x == CONST0_RTX (SFmode) || x == CONST0_RTX (DFmode)))
+ *total = 4;
+ else
+ *total = 5;
+ return true;
+
+ /* These are vaguely right for a 68020. */
+ /* The costs for long multiply have been adjusted to work properly
+ in synth_mult on the 68020, relative to an average of the time
+ for add and the time for shift, taking away a little more because
+ sometimes move insns are needed. */
+ /* div?.w is relatively cheaper on 68000 counted in COSTS_N_INSNS terms. */
+#define MULL_COST (TARGET_68060 ? 2 : TARGET_68040 ? 5 : TARGET_CFV3 ? 3 : TARGET_COLDFIRE ? 10 : 13)
+#define MULW_COST (TARGET_68060 ? 2 : TARGET_68040 ? 3 : TARGET_68020 ? 8 : \
+ TARGET_CFV3 ? 2 : 5)
+#define DIVW_COST (TARGET_68020 ? 27 : TARGET_CF_HWDIV ? 11 : 12)
+
+ case PLUS:
+ /* An lea costs about three times as much as a simple add. */
+ if (GET_MODE (x) == SImode
+ && GET_CODE (XEXP (x, 1)) == REG
+ && GET_CODE (XEXP (x, 0)) == MULT
+ && GET_CODE (XEXP (XEXP (x, 0), 0)) == REG
+ && GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST_INT
+ && (INTVAL (XEXP (XEXP (x, 0), 1)) == 2
+ || INTVAL (XEXP (XEXP (x, 0), 1)) == 4
+ || INTVAL (XEXP (XEXP (x, 0), 1)) == 8))
+ {
+ /* lea an@(dx:l:i),am */
+ *total = COSTS_N_INSNS (TARGET_COLDFIRE ? 2 : 3);
+ return true;
+ }
+ return false;
+
+ case ASHIFT:
+ case ASHIFTRT:
+ case LSHIFTRT:
+ if (TARGET_68060)
+ {
+ *total = COSTS_N_INSNS(1);
+ return true;
+ }
+ if (! TARGET_68020 && ! TARGET_COLDFIRE)
+ {
+ if (GET_CODE (XEXP (x, 1)) == CONST_INT)
+ {
+ if (INTVAL (XEXP (x, 1)) < 16)
+ *total = COSTS_N_INSNS (2) + INTVAL (XEXP (x, 1)) / 2;
+ else
+ /* We're using clrw + swap for these cases. */
+ *total = COSTS_N_INSNS (4) + (INTVAL (XEXP (x, 1)) - 16) / 2;
+ }
+ else
+ *total = COSTS_N_INSNS (10); /* worst case */
+ return true;
+ }
+ /* A shift by a big integer takes an extra instruction. */
+ if (GET_CODE (XEXP (x, 1)) == CONST_INT
+ && (INTVAL (XEXP (x, 1)) == 16))
+ {
+ *total = COSTS_N_INSNS (2); /* clrw;swap */
+ return true;
+ }
+ if (GET_CODE (XEXP (x, 1)) == CONST_INT
+ && !(INTVAL (XEXP (x, 1)) > 0
+ && INTVAL (XEXP (x, 1)) <= 8))
+ {
+ *total = COSTS_N_INSNS (TARGET_COLDFIRE ? 1 : 3); /* lsr #i,dn */
+ return true;
+ }
+ return false;
+
+ case MULT:
+ if ((GET_CODE (XEXP (x, 0)) == ZERO_EXTEND
+ || GET_CODE (XEXP (x, 0)) == SIGN_EXTEND)
+ && GET_MODE (x) == SImode)
+ *total = COSTS_N_INSNS (MULW_COST);
+ else if (GET_MODE (x) == QImode || GET_MODE (x) == HImode)
+ *total = COSTS_N_INSNS (MULW_COST);
+ else
+ *total = COSTS_N_INSNS (MULL_COST);
+ return true;
+
+ case DIV:
+ case UDIV:
+ case MOD:
+ case UMOD:
+ if (GET_MODE (x) == QImode || GET_MODE (x) == HImode)
+ *total = COSTS_N_INSNS (DIVW_COST); /* div.w */
+ else if (TARGET_CF_HWDIV)
+ *total = COSTS_N_INSNS (18);
+ else
+ *total = COSTS_N_INSNS (43); /* div.l */
+ return true;
+
+ default:
+ return false;
+ }
+}
+
const char *
output_move_const_into_data_reg (operands)
rtx *operands;
switch (const_method (operands[1]))
{
case MOVQ :
-#if defined (MOTOROLA) && !defined (CRDS)
- return "moveq%.l %1,%0";
-#else
return "moveq %1,%0";
-#endif
case NOTB :
operands[1] = GEN_INT (i ^ 0xff);
-#if defined (MOTOROLA) && !defined (CRDS)
- return "moveq%.l %1,%0\n\tnot%.b %0";
-#else
return "moveq %1,%0\n\tnot%.b %0";
-#endif
case NOTW :
operands[1] = GEN_INT (i ^ 0xffff);
-#if defined (MOTOROLA) && !defined (CRDS)
- return "moveq%.l %1,%0\n\tnot%.w %0";
-#else
return "moveq %1,%0\n\tnot%.w %0";
-#endif
case NEGW :
-#if defined (MOTOROLA) && !defined (CRDS)
- return "moveq%.l %#-128,%0\n\tneg%.w %0";
-#else
return "moveq %#-128,%0\n\tneg%.w %0";
-#endif
case SWAP :
{
unsigned u = i;
operands[1] = GEN_INT ((u << 16) | (u >> 16));
-#if defined (MOTOROLA) && !defined (CRDS)
- return "moveq%.l %1,%0\n\tswap %0";
-#else
return "moveq %1,%0\n\tswap %0";
-#endif
}
case MOVL :
return "move%.l %1,%0";
|| GET_CODE (operands[0]) == MEM)
/* clr insns on 68000 read before writing.
This isn't so on the 68010, but we have no TARGET_68010. */
- && ((TARGET_68020 || TARGET_5200)
+ && ((TARGET_68020 || TARGET_COLDFIRE)
|| !(GET_CODE (operands[0]) == MEM
&& MEM_VOLATILE_P (operands[0]))))
return "clr%.l %0";
|| GET_CODE (operands[0]) == MEM)
/* clr insns on 68000 read before writing.
This isn't so on the 68010, but we have no TARGET_68010. */
- && ((TARGET_68020 || TARGET_5200)
+ && ((TARGET_68020 || TARGET_COLDFIRE)
|| !(GET_CODE (operands[0]) == MEM
&& MEM_VOLATILE_P (operands[0]))))
return "clr%.w %0";
&& INTVAL (operands[1]) < 128
&& INTVAL (operands[1]) >= -128)
{
-#if defined(MOTOROLA) && !defined(CRDS)
- return "moveq%.l %1,%0";
-#else
return "moveq %1,%0";
-#endif
}
else if (INTVAL (operands[1]) < 0x8000
&& INTVAL (operands[1]) >= -0x8000)
}
else if (CONSTANT_P (operands[1]))
return "move%.l %1,%0";
-#ifndef SGS_NO_LI
/* Recognize the insn before a tablejump, one that refers
to a table of offsets. Such an insn will need to refer
to a label on the insn. So output one. Use the label-number
CODE_LABEL_NUMBER (XEXP (labelref, 0)));
#endif /* not SGS */
#else /* SGS_SWITCH_TABLES or not MOTOROLA */
- ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "LI",
+ (*targetm.asm_out.internal_label) (asm_out_file, "LI",
CODE_LABEL_NUMBER (XEXP (labelref, 0)));
#ifdef SGS_SWITCH_TABLES
/* Set flag saying we need to define the symbol
#endif /* SGS_SWITCH_TABLES */
#endif /* SGS_SWITCH_TABLES or not MOTOROLA */
}
-#endif /* SGS_NO_LI */
return "move%.w %1,%0";
}
&& GET_CODE (XEXP (operands[0], 0)) == PRE_DEC
&& XEXP (XEXP (operands[0], 0), 0) == stack_pointer_rtx
&& ! ADDRESS_REG_P (operands[1])
- && ! TARGET_5200)
+ && ! TARGET_COLDFIRE)
{
xoperands[1] = operands[1];
xoperands[2]
if (!reg_mentioned_p (stack_pointer_rtx, operands[1]))
{
xoperands[3] = stack_pointer_rtx;
-#ifndef NO_ADDSUB_Q
output_asm_insn ("subq%.l %#2,%3\n\tmove%.b %1,%2", xoperands);
-#else
- output_asm_insn ("sub%.l %#2,%3\n\tmove%.b %1,%2", xoperands);
-#endif
}
else
output_asm_insn ("move%.b %1,%-\n\tmove%.b %@,%2", xoperands);
/* clr and st insns on 68000 read before writing.
This isn't so on the 68010, but we have no TARGET_68010. */
if (!ADDRESS_REG_P (operands[0])
- && ((TARGET_68020 || TARGET_5200)
+ && ((TARGET_68020 || TARGET_COLDFIRE)
|| !(GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0]))))
{
if (operands[1] == const0_rtx)
return "clr%.b %0";
- if ((!TARGET_5200 || DATA_REG_P (operands[0]))
+ if ((!TARGET_COLDFIRE || DATA_REG_P (operands[0]))
&& GET_CODE (operands[1]) == CONST_INT
&& (INTVAL (operands[1]) & 255) == 255)
{
&& INTVAL (operands[1]) < 128
&& INTVAL (operands[1]) >= -128)
{
-#if defined(MOTOROLA) && !defined(CRDS)
- return "moveq%.l %1,%0";
-#else
return "moveq %1,%0";
-#endif
}
if (operands[1] == const0_rtx && ADDRESS_REG_P (operands[0]))
return "sub%.l %0,%0";
if (operands[1] == const0_rtx
/* clr insns on 68000 read before writing.
This isn't so on the 68010, but we have no TARGET_68010. */
- && ((TARGET_68020 || TARGET_5200)
+ && ((TARGET_68020 || TARGET_COLDFIRE)
|| !(GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0]))))
return "clr%.w %0";
return "move%.w %1,%0";
if (operands[1] == const0_rtx
/* clr insns on 68000 read before writing.
This isn't so on the 68010, but we have no TARGET_68010. */
- && ((TARGET_68020 || TARGET_5200)
+ && ((TARGET_68020 || TARGET_COLDFIRE)
|| !(GET_CODE (operands[0]) == MEM && MEM_VOLATILE_P (operands[0]))))
return "clr%.b %0";
return "move%.b %1,%0";
singlemove_string (operands)
rtx *operands;
{
-#ifdef SUPPORT_SUN_FPA
- if (FPA_REG_P (operands[0]) || FPA_REG_P (operands[1]))
- return "fpmoves %1,%0";
-#endif
if (GET_CODE (operands[1]) == CONST_INT)
return output_move_simode_const (operands);
return "move%.l %1,%0";
if (addreg0 || addreg1)
abort ();
- /* Only the middle reg conflicts; simply put it last. */
+ /* Only the middle reg conflicts; simply put it last. */
output_asm_insn (singlemove_string (operands), operands);
output_asm_insn (singlemove_string (latehalf), latehalf);
output_asm_insn (singlemove_string (middlehalf), middlehalf);
}
if (GET_CODE (operands[2]) == CONST_INT)
{
-#ifndef NO_ADDSUB_Q
if (INTVAL (operands[2]) > 0
&& INTVAL (operands[2]) <= 8)
return "addq%.l %2,%0";
}
/* On the CPU32 it is faster to use two addql instructions to
add a small integer (8 < N <= 16) to a register.
- Likewise for subql. */
+ Likewise for subql. */
if (TARGET_CPU32 && REG_P (operands[0]))
{
if (INTVAL (operands[2]) > 8
return "subq%.l %#8,%0\n\tsubq%.l %2,%0";
}
}
-#endif
if (ADDRESS_REG_P (operands[0])
&& INTVAL (operands[2]) >= -0x8000
&& INTVAL (operands[2]) < 0x8000)
rtx exp;
rtx insn;
{
- /* If the cc is being set from the fpa and the expression is not an
- explicit floating point test instruction (which has code to deal with
- this), reinit the CC. */
- if (((cc_status.value1 && FPA_REG_P (cc_status.value1))
- || (cc_status.value2 && FPA_REG_P (cc_status.value2)))
- && !(GET_CODE (exp) == PARALLEL
- && GET_CODE (XVECEXP (exp, 0, 0)) == SET
- && XEXP (XVECEXP (exp, 0, 0), 0) == cc0_rtx))
- {
- CC_STATUS_INIT;
- }
- else if (GET_CODE (exp) == SET)
+ if (GET_CODE (exp) == SET)
{
if (GET_CODE (SET_SRC (exp)) == CALL)
{
&& ADDRESS_REG_P (cc_status.value2)
&& GET_MODE (cc_status.value2) == QImode)
CC_STATUS_INIT;
- if (cc_status.value2 != 0
- && !(cc_status.value1 && FPA_REG_P (cc_status.value1)))
+ if (cc_status.value2 != 0)
switch (GET_CODE (cc_status.value2))
{
case PLUS: case MINUS: case MULT:
/* (SET r1 (ZERO_EXTEND r2)) on this machine
ends with a move insn moving r2 in r2's mode.
Thus, the cc's are set for r2.
- This can set N bit spuriously. */
+ This can set N bit spuriously. */
cc_status.flags |= CC_NOT_NEGATIVE;
default:
&& reg_overlap_mentioned_p (cc_status.value1, cc_status.value2))
cc_status.value2 = 0;
if (((cc_status.value1 && FP_REG_P (cc_status.value1))
- || (cc_status.value2 && FP_REG_P (cc_status.value2)))
- && !((cc_status.value1 && FPA_REG_P (cc_status.value1))
- || (cc_status.value2 && FPA_REG_P (cc_status.value2))))
+ || (cc_status.value2 && FP_REG_P (cc_status.value2))))
cc_status.flags = CC_IN_68881;
}
\f
output_move_const_double (operands)
rtx *operands;
{
-#ifdef SUPPORT_SUN_FPA
- if (TARGET_FPA && FPA_REG_P (operands[0]))
- {
- int code = standard_sun_fpa_constant_p (operands[1]);
+ int code = standard_68881_constant_p (operands[1]);
- if (code != 0)
- {
- static char buf[40];
-
- sprintf (buf, "fpmove%%.d %%%%%d,%%0", code & 0x1ff);
- return buf;
- }
- return "fpmove%.d %1,%0";
- }
- else
-#endif
+ if (code != 0)
{
- int code = standard_68881_constant_p (operands[1]);
-
- if (code != 0)
- {
- static char buf[40];
+ static char buf[40];
- sprintf (buf, "fmovecr %%#0x%x,%%0", code & 0xff);
- return buf;
- }
- return "fmove%.d %1,%0";
+ sprintf (buf, "fmovecr %%#0x%x,%%0", code & 0xff);
+ return buf;
}
+ return "fmove%.d %1,%0";
}
const char *
output_move_const_single (operands)
rtx *operands;
{
-#ifdef SUPPORT_SUN_FPA
- if (TARGET_FPA)
- {
- int code = standard_sun_fpa_constant_p (operands[1]);
-
- if (code != 0)
- {
- static char buf[40];
+ int code = standard_68881_constant_p (operands[1]);
- sprintf (buf, "fpmove%%.s %%%%%d,%%0", code & 0x1ff);
- return buf;
- }
- return "fpmove%.s %1,%0";
- }
- else
-#endif /* defined SUPPORT_SUN_FPA */
+ if (code != 0)
{
- int code = standard_68881_constant_p (operands[1]);
-
- if (code != 0)
- {
- static char buf[40];
+ static char buf[40];
- sprintf (buf, "fmovecr %%#0x%x,%%0", code & 0xff);
- return buf;
- }
- return "fmove%.s %f1,%0";
+ sprintf (buf, "fmovecr %%#0x%x,%%0", code & 0xff);
+ return buf;
}
+ return "fmove%.s %f1,%0";
}
/* Return nonzero if X, a CONST_DOUBLE, has a value that we can get
The value, anded with 0xff, gives the code to use in fmovecr
to get the desired constant. */
-/* This code has been fixed for cross-compilation. */
+/* This code has been fixed for cross-compilation. */
static int inited_68881_table = 0;
"1e16"
};
-int codes_68881[7] = {
+static const int codes_68881[7] = {
0x0f,
0x32,
0x33,
REAL_VALUE_TYPE values_68881[7];
/* Set up values_68881 array by converting the decimal values
- strings_68881 to binary. */
+ strings_68881 to binary. */
void
init_68881_table ()
REAL_VALUE_TYPE r;
int i;
-#ifdef NO_ASM_FMOVECR
- return 0;
-#endif
-
/* fmovecr must be emulated on the 68040 and 68060, so it shouldn't be
- used at all on those chips. */
+ used at all on those chips. */
if (TARGET_68040 || TARGET_68060)
return 0;
-#ifndef REAL_ARITHMETIC
-#if HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT
- if (! flag_pretend_float)
- return 0;
-#endif
-#endif
-
if (! inited_68881_table)
init_68881_table ();
rtx x;
{
REAL_VALUE_TYPE r, r1;
- int i;
-
-#ifndef REAL_ARITHMETIC
-#if HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT
- if (! flag_pretend_float)
- return 0;
-#endif
-#endif
+ int exp;
REAL_VALUE_FROM_CONST_DOUBLE (r, x);
- if (REAL_VALUES_LESS (r, dconst0))
- return 0;
-
- r1 = dconst1;
- i = 0;
- while (REAL_VALUES_LESS (r1, r))
- {
- r1 = REAL_VALUE_LDEXP (dconst1, i);
- if (REAL_VALUES_EQUAL (r1, r))
- return i;
- i = i + 1;
- }
- return 0;
-}
-\f
-#ifdef SUPPORT_SUN_FPA
-/* Return nonzero if X, a CONST_DOUBLE, has a value that we can get
- from the Sun FPA's constant RAM.
- The value returned, anded with 0x1ff, gives the code to use in fpmove
- to get the desired constant. */
-
-static int inited_FPA_table = 0;
-
-static const char *const strings_FPA[38] = {
-/* small rationals */
- "0.0",
- "1.0",
- "0.5",
- "-1.0",
- "2.0",
- "3.0",
- "4.0",
- "8.0",
- "0.25",
- "0.125",
- "10.0",
- "-0.5",
-/* Decimal equivalents of double precision values */
- "2.718281828459045091", /* D_E */
- "6.283185307179586477", /* 2 pi */
- "3.141592653589793116", /* D_PI */
- "1.570796326794896619", /* pi/2 */
- "1.414213562373095145", /* D_SQRT2 */
- "0.7071067811865475244", /* 1/sqrt(2) */
- "-1.570796326794896619", /* -pi/2 */
- "1.442695040888963387", /* D_LOG2ofE */
- "3.321928024887362182", /* D_LOG2of10 */
- "0.6931471805599452862", /* D_LOGEof2 */
- "2.302585092994045901", /* D_LOGEof10 */
- "0.3010299956639811980", /* D_LOG10of2 */
- "0.4342944819032518167", /* D_LOG10ofE */
-/* Decimal equivalents of single precision values */
- "2.718281745910644531", /* S_E */
- "6.283185307179586477", /* 2 pi */
- "3.141592741012573242", /* S_PI */
- "1.570796326794896619", /* pi/2 */
- "1.414213538169860840", /* S_SQRT2 */
- "0.7071067811865475244", /* 1/sqrt(2) */
- "-1.570796326794896619", /* -pi/2 */
- "1.442695021629333496", /* S_LOG2ofE */
- "3.321928024291992188", /* S_LOG2of10 */
- "0.6931471824645996094", /* S_LOGEof2 */
- "2.302585124969482442", /* S_LOGEof10 */
- "0.3010300099849700928", /* S_LOG10of2 */
- "0.4342944920063018799", /* S_LOG10ofE */
-};
-
-
-int codes_FPA[38] = {
-/* small rationals */
- 0x200,
- 0xe,
- 0xf,
- 0x10,
- 0x11,
- 0xb1,
- 0x12,
- 0x13,
- 0x15,
- 0x16,
- 0x17,
- 0x2e,
-/* double precision */
- 0x8,
- 0x9,
- 0xa,
- 0xb,
- 0xc,
- 0xd,
- 0x27,
- 0x28,
- 0x29,
- 0x2a,
- 0x2b,
- 0x2c,
- 0x2d,
-/* single precision */
- 0x8,
- 0x9,
- 0xa,
- 0xb,
- 0xc,
- 0xd,
- 0x27,
- 0x28,
- 0x29,
- 0x2a,
- 0x2b,
- 0x2c,
- 0x2d
- };
-
-REAL_VALUE_TYPE values_FPA[38];
-
-/* This code has been fixed for cross-compilation. */
-
-void
-init_FPA_table ()
-{
- enum machine_mode mode;
- int i;
- REAL_VALUE_TYPE r;
-
- mode = DFmode;
- for (i = 0; i < 38; i++)
- {
- if (i == 25)
- mode = SFmode;
- r = REAL_VALUE_ATOF (strings_FPA[i], mode);
- values_FPA[i] = r;
- }
- inited_FPA_table = 1;
-}
-
-
-int
-standard_sun_fpa_constant_p (x)
- rtx x;
-{
- REAL_VALUE_TYPE r;
- int i;
-
-#ifndef REAL_ARITHMETIC
-#if HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT
- if (! flag_pretend_float)
+ if (REAL_VALUES_LESS (r, dconst1))
return 0;
-#endif
-#endif
-
- if (! inited_FPA_table)
- init_FPA_table ();
-
- REAL_VALUE_FROM_CONST_DOUBLE (r, x);
- for (i=0; i<12; i++)
- {
- if (REAL_VALUES_EQUAL (r, values_FPA[i]))
- return (codes_FPA[i]);
- }
+ exp = real_exponent (&r);
+ real_2expN (&r1, exp);
+ if (REAL_VALUES_EQUAL (r1, r))
+ return exp;
- if (GET_MODE (x) == SFmode)
- {
- for (i=25; i<38; i++)
- {
- if (REAL_VALUES_EQUAL (r, values_FPA[i]))
- return (codes_FPA[i]);
- }
- }
- else
- {
- for (i=12; i<25; i++)
- {
- if (REAL_VALUES_EQUAL (r, values_FPA[i]))
- return (codes_FPA[i]);
- }
- }
- return 0x0;
+ return 0;
}
-#endif /* define SUPPORT_SUN_FPA */
\f
/* A C compound statement to output to stdio stream STREAM the
assembler syntax for an instruction operand X. X is an RTL
'@' for a reference to the top word on the stack:
sp@, (sp) or (%sp) depending on the style of syntax.
'#' for an immediate operand prefix (# in MIT and Motorola syntax
- but & in SGS syntax, $ in CRDS/UNOS syntax).
+ but & in SGS syntax).
'!' for the cc register (used in an `and to cc' insn).
'$' for the letter `s' in an op code, but only on the 68040.
'&' for the letter `d' in an op code, but only on the 68040.
'f' for float insn (print a CONST_DOUBLE as a float rather than in hex)
'o' for operands to go directly to output_operand_address (bypassing
print_operand_address--used only for SYMBOL_REFs under TARGET_PCREL)
- 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather
- than directly). Second part of 'y' below.
'x' for float insn (print a CONST_DOUBLE as a float rather than in hex),
or print pair of registers as rx:ry.
- 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs
- CONST_DOUBLE's as SunFPA constant RAM registers if
- possible, so it should not be used except for the SunFPA.
*/
rtx op; /* operand to print */
int letter; /* %<letter> or 0 */
{
-#ifdef SUPPORT_SUN_FPA
- int i;
-#endif
-
if (letter == '.')
{
-#if defined (MOTOROLA) && !defined (CRDS)
- asm_fprintf (file, ".");
+#if defined (MOTOROLA)
+ fprintf (file, ".");
#endif
}
else if (letter == '#')
{
- asm_fprintf (file, "%0I");
+ asm_fprintf (file, "%I");
}
else if (letter == '-')
{
}
else if (GET_CODE (op) == REG)
{
-#ifdef SUPPORT_SUN_FPA
- if (REGNO (op) < 16
- && (letter == 'y' || letter == 'x')
- && GET_MODE (op) == DFmode)
- {
- fprintf (file, "%s:%s", reg_names[REGNO (op)],
- reg_names[REGNO (op)+1]);
- }
+ if (letter == 'R')
+ /* Print out the second register name of a register pair.
+ I.e., R (6) => 7. */
+ fputs (reg_names[REGNO (op) + 1], file);
else
-#endif
- {
- if (letter == 'R')
- /* Print out the second register name of a register pair.
- I.e., R (6) => 7. */
- fputs (reg_names[REGNO (op) + 1], file);
- else
- fputs (reg_names[REGNO (op)], file);
- }
+ fputs (reg_names[REGNO (op)], file);
}
else if (GET_CODE (op) == MEM)
{
#endif
}
}
-#ifdef SUPPORT_SUN_FPA
- else if ((letter == 'y' || letter == 'w')
- && GET_CODE (op) == CONST_DOUBLE
- && (i = standard_sun_fpa_constant_p (op)))
- {
- fprintf (file, "%%%d", i & 0x1ff);
- }
-#endif
else if (GET_CODE (op) == CONST_DOUBLE && GET_MODE (op) == SFmode)
{
REAL_VALUE_TYPE r;
{
/* Use `print_operand_address' instead of `output_addr_const'
to ensure that we print relevant PIC stuff. */
- asm_fprintf (file, "%0I");
+ asm_fprintf (file, "%I");
if (TARGET_PCREL
&& (GET_CODE (op) == SYMBOL_REF || GET_CODE (op) == CONST))
print_operand_address (file, op);
macro. See m68k/sgs.h for an example; for versions without the bug.
Some assemblers refuse all the above solutions. The workaround is to
emit "K(pc,d0.l*2)" with K being a small constant known to give the
- right behaviour.
+ right behavior.
They also do not like things like "pea 1.w", so we simple leave off
the .w on small constants.
{
#ifdef MOTOROLA
#ifdef SGS
- /* Many SGS assemblers croak on size specifiers for constants. */
+ /* Many SGS assemblers croak on size specifiers for constants. */
fprintf (file, "%d", (int) INTVAL (addr));
#else
fprintf (file, "%d.w", (int) INTVAL (addr));
/* Operand predicates for implementing asymmetric pc-relative addressing
on m68k. The m68k supports pc-relative addressing (mode 7, register 2)
- when used as a source operand, but not as a destintation operand.
+ when used as a source operand, but not as a destination operand.
We model this by restricting the meaning of the basic predicates
(general_operand, memory_operand, etc) to forbid the use of this
&& (INTVAL (operands[2]) | 0xffff) == 0xffffffff
&& (DATA_REG_P (operands[0])
|| offsettable_memref_p (operands[0]))
- && !TARGET_5200)
+ && !TARGET_COLDFIRE)
{
if (GET_CODE (operands[0]) != REG)
operands[0] = adjust_address (operands[0], HImode, 2);
&& INTVAL (operands[2]) >> 16 == 0
&& (DATA_REG_P (operands[0])
|| offsettable_memref_p (operands[0]))
- && !TARGET_5200)
+ && !TARGET_COLDFIRE)
{
if (GET_CODE (operands[0]) != REG)
operands[0] = adjust_address (operands[0], HImode, 2);
if (GET_CODE (operands[2]) == CONST_INT
&& INTVAL (operands[2]) >> 16 == 0
&& (offsettable_memref_p (operands[0]) || DATA_REG_P (operands[0]))
- && !TARGET_5200)
+ && !TARGET_COLDFIRE)
{
if (! DATA_REG_P (operands[0]))
operands[0] = adjust_address (operands[0], HImode, 2);
/* Output assembly to switch to section NAME with attribute FLAGS. */
static void
-m68k_coff_asm_named_section (name, flags, align)
+m68k_coff_asm_named_section (name, flags)
const char *name;
unsigned int flags;
- unsigned int align ATTRIBUTE_UNUSED;
{
char flagchar;
output_asm_insn (output_move_simode (xop), xop);
}
#endif
+
+#ifdef HPUX_ASM
+static void
+m68k_hp320_internal_label (stream, prefix, labelno)
+ FILE *stream;
+ const char *prefix;
+ unsigned long labelno;
+{
+ if (prefix[0] == 'L' && prefix[1] == 'I')
+ fprintf(stream, "\tset %s%ld,.+2\n", prefix, labelno);
+ else
+ fprintf (stream, "%s%ld:\n", prefix, labelno);
+}
+
+static void
+m68k_hp320_file_start ()
+{
+ /* version 1: 68010.
+ 2: 68020 without FPU.
+ 3: 68020 with FPU. */
+ fprintf (asm_out_file, "\tversion %d\n",
+ TARGET_68020 ? (TARGET_68881 ? 3 : 2) : 1);
+}
+#endif
+
+static void
+m68k_output_mi_thunk (file, thunk, delta, vcall_offset, function)
+ FILE *file;
+ tree thunk ATTRIBUTE_UNUSED;
+ HOST_WIDE_INT delta;
+ HOST_WIDE_INT vcall_offset ATTRIBUTE_UNUSED;
+ tree function;
+{
+ rtx xops[1];
+ const char *fmt;
+
+ if (delta > 0 && delta <= 8)
+#ifdef MOTOROLA
+ asm_fprintf (file, "\taddq.l %I%d,4(%Rsp)\n", (int) delta);
+#else
+ asm_fprintf (file, "\taddql %I%d,%Rsp@(4)\n", (int) delta);
+#endif
+ else if (delta < 0 && delta >= -8)
+#ifdef MOTOROLA
+ asm_fprintf (file, "\tsubq.l %I%d,4(%Rsp)\n", (int) -delta);
+#else
+ asm_fprintf (file, "\tsubql %I%d,%Rsp@(4)\n", (int) -delta);
+#endif
+ else
+#ifdef MOTOROLA
+ asm_fprintf (file, "\tadd.l %I%wd,4(%Rsp)\n", delta);
+#else
+ asm_fprintf (file, "\taddl %I%wd,%Rsp@(4)\n", delta);
+#endif
+
+ xops[0] = DECL_RTL (function);
+
+ /* Logic taken from call patterns in m68k.md. */
+ if (flag_pic)
+ {
+ if (TARGET_PCREL)
+ fmt = "bra.l %o0";
+ else
+ {
+#ifdef MOTOROLA
+#ifdef HPUX_ASM
+ fmt = "bra.l %0";
+#else
+#ifdef USE_GAS
+ fmt = "bra.l %0@PLTPC";
+#else
+ fmt = "bra %0@PLTPC";
+#endif
+#endif
+#else
+#ifdef USE_GAS
+ fmt = "bra.l %0";
+#else
+ fmt = "jra %0,a1";
+#endif
+#endif
+ }
+ }
+ else
+ {
+#if defined (MOTOROLA) && !defined (USE_GAS)
+ fmt = "jmp %0";
+#else
+ fmt = "jra %0";
+#endif
+ }
+
+ output_asm_insn (fmt, xops);
+}
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