+Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
+ in c4x.c.
+ * config/c4x/c4x.h: Moved prototypes to c4x.h.
+ * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
+ c4x_secondary_memory_needed) Delete.
+ (fp_zero_operand): Add mode argument.
+
Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
* reload1.c (reload_reg_free_for_value_p): Don't use a register
--- /dev/null
+/* Definitions of target machine for GNU compiler. TMS320C[34]x
+ Copyright (C) 1994-98, 1999 Free Software Foundation, Inc.
+
+ Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz)
+ and Herman Ten Brugge (Haj.Ten.Brugge@net.HCC.nl).
+
+ This file is part of GNU CC.
+
+ GNU CC is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GNU CC is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU CC; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+extern void c4x_override_options PARAMS ((void));
+
+extern void c4x_optimization_options PARAMS ((int, int));
+
+extern void c4x_output_ascii PARAMS ((FILE *, const char *, int));
+
+extern void c4x_function_prologue PARAMS ((FILE *, int));
+
+extern void c4x_function_epilogue PARAMS ((FILE *, int));
+
+extern int c4x_null_epilogue_p PARAMS ((void));
+
+extern int c4x_handle_pragma PARAMS ((int (* p_getc) (void),
+ void (* p_ungetc) (int),
+ char *));
+
+#ifdef TREE_CODE
+extern void c4x_set_default_attributes PARAMS ((tree, tree *));
+
+extern void c4x_function_arg_advance PARAMS ((CUMULATIVE_ARGS *,
+ enum machine_mode, tree, int));
+
+extern struct rtx_def *c4x_function_arg PARAMS ((CUMULATIVE_ARGS *,
+ enum machine_mode, tree,
+ int));
+
+extern void c4x_encode_section_info PARAMS ((tree));
+#endif /* TREE_CODE */
+
+
+#if defined(RTX_CODE) && defined(TREE_CODE)
+extern void c4x_init_cumulative_args PARAMS ((CUMULATIVE_ARGS *c, tree, rtx));
+
+extern void c4x_va_start PARAMS ((int, tree, rtx));
+
+extern struct rtx_def *c4x_va_arg PARAMS ((tree, tree));
+#endif /* TREE_CODE and RTX_CODE*/
+
+
+#ifdef RTX_CODE
+extern struct rtx_def *c4x_gen_compare_reg PARAMS ((enum rtx_code, rtx, rtx));
+
+extern int c4x_check_legit_addr PARAMS ((enum machine_mode, rtx, int));
+
+extern struct rtx_def *c4x_legitimize_address PARAMS ((rtx,
+ enum machine_mode));
+
+extern struct rtx_def *c4x_legitimize_reload_address PARAMS ((rtx, enum machine_mode, rtx));
+
+extern int c4x_address_cost PARAMS ((rtx));
+
+extern void c4x_print_operand PARAMS ((FILE *, rtx, int));
+
+extern void c4x_print_operand_address PARAMS ((FILE *, rtx));
+
+extern enum reg_class c4x_preferred_reload_class PARAMS ((rtx,
+ enum reg_class));
+
+extern struct rtx_def *c4x_operand_subword PARAMS ((rtx, int, int,
+ enum machine_mode));
+
+extern char *c4x_output_cbranch PARAMS ((char *, rtx));
+
+extern int c4x_label_conflict PARAMS ((rtx, rtx, rtx));
+
+extern int c4x_address_conflict PARAMS ((rtx, rtx, int, int));
+
+extern int c4x_adjust_cost PARAMS ((rtx, rtx, rtx, int));
+
+extern void c4x_process_after_reload PARAMS ((rtx));
+
+extern int c4x_rptb_nop_p PARAMS ((rtx));
+
+extern int c4x_rptb_rpts_p PARAMS ((rtx, rtx));
+
+extern int c4x_autoinc_operand PARAMS ((rtx, enum machine_mode));
+
+extern int fp_zero_operand PARAMS ((rtx, enum machine_mode));
+
+extern int const_operand PARAMS ((rtx, enum machine_mode));
+
+extern int stik_const_operand PARAMS ((rtx, enum machine_mode));
+
+extern int not_const_operand PARAMS ((rtx, enum machine_mode));
+
+extern int parallel_operand PARAMS ((rtx, enum machine_mode));
+
+extern int reg_or_const_operand PARAMS ((rtx, enum machine_mode));
+
+extern int reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int mixed_subreg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int reg_imm_operand PARAMS ((rtx, enum machine_mode));
+
+extern int r0r1_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int r2r3_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ext_low_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ext_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int std_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int dst_operand PARAMS ((rtx, enum machine_mode));
+
+extern int src_operand PARAMS ((rtx, enum machine_mode));
+
+extern int src_hi_operand PARAMS ((rtx, enum machine_mode));
+
+extern int lsrc_operand PARAMS ((rtx, enum machine_mode));
+
+extern int tsrc_operand PARAMS ((rtx, enum machine_mode));
+
+extern int addr_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int index_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int dp_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int sp_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int rc_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int st_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int symbolic_address_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar0_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar0_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar1_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar1_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar2_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar2_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar3_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar3_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar4_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar4_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar5_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar5_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar6_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar6_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar7_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ar7_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ir0_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ir0_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ir1_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int ir1_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int group1_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int group1_mem_operand PARAMS ((rtx, enum machine_mode));
+
+extern int arx_reg_operand PARAMS ((rtx, enum machine_mode));
+
+extern int call_address_operand PARAMS ((rtx, enum machine_mode));
+
+extern int par_ind_operand PARAMS ((rtx, enum machine_mode));
+
+extern int not_rc_reg PARAMS ((rtx, enum machine_mode));
+
+extern int not_modify_reg PARAMS ((rtx, enum machine_mode));
+
+extern int c4x_shiftable_constant PARAMS ((rtx));
+
+extern int c4x_H_constant PARAMS ((rtx));
+
+extern int c4x_I_constant PARAMS ((rtx));
+
+extern int c4x_J_constant PARAMS ((rtx));
+
+extern int c4x_L_constant PARAMS ((rtx));
+
+extern int c4x_Q_constraint PARAMS ((rtx));
+
+extern int c4x_R_constraint PARAMS ((rtx));
+
+extern int c4x_S_constraint PARAMS ((rtx));
+
+extern int c4x_T_constraint PARAMS ((rtx));
+
+extern int c4x_U_constraint PARAMS ((rtx));
+
+extern void c4x_emit_libcall PARAMS ((const char *, enum rtx_code,
+ enum machine_mode,
+ enum machine_mode, int, rtx *));
+
+extern void c4x_emit_libcall3 PARAMS ((const char *, enum rtx_code,
+ enum machine_mode, rtx *));
+
+extern void c4x_emit_libcall_mulhi PARAMS ((char *, enum rtx_code,
+ enum machine_mode, rtx *));
+
+extern int c4x_emit_move_sequence PARAMS ((rtx *, enum machine_mode));
+
+extern int legitimize_operands PARAMS ((enum rtx_code, rtx *,
+ enum machine_mode));
+
+extern int valid_operands PARAMS ((enum rtx_code, rtx *, enum machine_mode));
+
+extern int valid_parallel_load_store PARAMS ((rtx *, enum machine_mode));
+
+extern int valid_parallel_operands_4 PARAMS ((rtx *, enum machine_mode));
+
+extern int valid_parallel_operands_5 PARAMS ((rtx *, enum machine_mode));
+
+extern int valid_parallel_operands_6 PARAMS ((rtx *, enum machine_mode));
+
+#endif /* RTX_CODE */
+
#include "recog.h"
#include "c-tree.h"
#include "ggc.h"
+#include "c4x-protos.h"
static int c4x_leaf_function;
/* -mcpu=xx overrides -m40 etc. */
if (c4x_cpu_version_string)
- c4x_cpu_version = atoi (c4x_cpu_version_string);
+ {
+ const char *p = c4x_cpu_version_string;
+
+ /* Also allow -mcpu=c30 etc. */
+ if (*p == 'c' || *p == 'C')
+ p++;
+ c4x_cpu_version = atoi (p);
+ }
target_flags &= ~(C30_FLAG | C31_FLAG | C32_FLAG | C40_FLAG | C44_FLAG);
void
c4x_output_ascii (stream, ptr, len)
FILE *stream;
- unsigned char *ptr;
+ const char *ptr;
int len;
{
char sbuf[C4X_ASCII_LIMIT + 1];
void
c4x_emit_libcall (name, code, dmode, smode, noperands, operands)
- char *name;
+ const char *name;
enum rtx_code code;
enum machine_mode dmode;
enum machine_mode smode;
}
-enum reg_class
-c4x_preferred_reload_class (x, class)
- rtx x ATTRIBUTE_UNUSED;
- enum reg_class class;
-{
- return class;
-}
-
-
-enum reg_class
-c4x_limit_reload_class (mode, class)
- enum machine_mode mode ATTRIBUTE_UNUSED;
- enum reg_class class;
-{
- return class;
-}
-
-
-enum reg_class
-c4x_secondary_memory_needed (class1, class2, mode)
- enum reg_class class1 ATTRIBUTE_UNUSED;
- enum reg_class class2 ATTRIBUTE_UNUSED;
- enum machine_mode mode ATTRIBUTE_UNUSED;
-{
- return 0;
-}
-
-
/* Set the SYMBOL_REF_FLAG for a function decl. However, wo do not
yet use this info. */
void
int
c4x_address_cost (addr)
-rtx addr;
+ rtx addr;
{
switch (GET_CODE (addr))
{
return 2;
case CONST_INT:
+ /* The following tries to improve GIV combination
+ in strength reduce but appears not to help. */
+ if (TARGET_DEVEL && IS_UINT5_CONST (INTVAL (op1)))
+ return 1;
+
if (IS_DISP1_CONST (INTVAL (op1)))
return 1;
/* Nonzero if OP is a floating point value with value 0.0. */
int
-fp_zero_operand (op)
+fp_zero_operand (op, mode)
rtx op;
+ enum machine_mode mode ATTRIBUTE_UNUSED;
{
REAL_VALUE_TYPE r;
int
c4x_handle_pragma (p_getc, p_ungetc, pname)
- int (* p_getc) PROTO ((void));
+ int (* p_getc) PROTO ((void));
void (* p_ungetc) PROTO ((int)) ATTRIBUTE_UNUSED;
char *pname;
{
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* Set the following so that some of the macros expand to function
- calls to simplify debugging. */
-#define C4X_DEBUG 1
-
/* RUN-TIME TARGET SPECIFICATION */
#define C4x 1
extern int target_flags;
-#define TARGET_INLINE 1 /* Inline MPYI */
-#define TARGET_PARALLEL 1 /* Enable parallel insns in MD */
+#define TARGET_INLINE 1 /* Inline MPYI. */
+#define TARGET_PARALLEL 1 /* Enable parallel insns in MD. */
#define TARGET_SMALL_REG_CLASS 0
#define TARGET_SMALL (target_flags & SMALL_MEMORY_FLAG)
defined, is executed once just after all the command options have
been parsed. */
-extern void c4x_override_options ();
#define OVERRIDE_OPTIONS c4x_override_options ()
/* Define this to change the optimizations performed by default. */
-extern void c4x_optimization_options ();
+
#define OPTIMIZATION_OPTIONS(LEVEL,SIZE) c4x_optimization_options(LEVEL,SIZE)
/* Run Time Target Specification */
#define REGNO_OK_FOR_INDEX_P(REGNO) \
(IS_INDEX_REG(REGNO) || IS_INDEX_REG((unsigned)reg_renumber[REGNO]))
-extern enum reg_class c4x_preferred_reload_class ();
-#define PREFERRED_RELOAD_CLASS(X, CLASS) c4x_preferred_reload_class(X, CLASS)
+#define PREFERRED_RELOAD_CLASS(X, CLASS) (CLASS)
-extern enum reg_class c4x_limit_reload_class ();
-#define LIMIT_RELOAD_CLASS(X, CLASS) c4x_limit_reload_class(X, CLASS)
+#define LIMIT_RELOAD_CLASS(X, CLASS) (CLASS)
-extern enum reg_class c4x_secondary_memory_needed ();
-#define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) \
-c4x_secondary_memory_needed(CLASS1, CLASS2, MODE)
+#define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) 0
#define CLASS_MAX_NREGS(CLASS, MODE) \
(((MODE) == CCmode || (MODE) == CC_NOOVmode) ? 1 : ((MODE) == HFmode) ? 1 : \
: 0 )
#define CONST_DOUBLE_OK_FOR_LETTER_P(OP, C) \
- ( ((C) == 'G') ? (fp_zero_operand (OP)) \
+ ( ((C) == 'G') ? (fp_zero_operand (OP, QFmode)) \
: ((C) == 'H') ? (c4x_H_constant (OP)) \
: 0 )
}
CUMULATIVE_ARGS;
-extern void c4x_init_cumulative_args();
-
#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \
(c4x_init_cumulative_args (&CUM, FNTYPE, LIBNAME))
-extern void c4x_function_arg_advance();
-
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
(c4x_function_arg_advance (&CUM, MODE, TYPE, NAMED))
-extern struct rtx_def *c4x_function_arg();
-
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
(c4x_function_arg(&CUM, MODE, TYPE, NAMED))
/* Varargs handling. */
-extern void c4x_va_start ();
#define EXPAND_BUILTIN_VA_START(stdarg, valist, nextarg) \
c4x_va_start (stdarg, valist, nextarg)
-extern struct rtx_def *c4x_va_arg ();
#define EXPAND_BUILTIN_VA_ARG(valist, type) \
c4x_va_arg (valist, type)
|| GET_MODE (Y) == ABS) \
? CC_NOOVmode : CCmode)
-extern struct rtx_def *c4x_gen_compare_reg ();
-
/* Addressing Modes */
#define HAVE_POST_INCREMENT 1
After reload, it makes no difference, since pseudo regs have
been eliminated by then. */
-extern int c4x_check_legit_addr ();
-
#ifndef REG_OK_STRICT
/* Nonzero if X is a hard or pseudo reg that can be used as an base. */
#endif
-extern struct rtx_def *c4x_legitimize_address ();
#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) \
{ \
rtx new; \
} \
}
-extern struct rtx_def *c4x_legitimize_reload_address ();
#define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \
{ \
rtx new; \
On the C4x we use this to indicate if a symbol is in text or
data space. */
-extern void c4x_encode_section_info ();
#define ENCODE_SECTION_INFO(DECL) c4x_encode_section_info (DECL);
/* Descripting Relative Cost of Operations */
for valid addresses. We handle the most common address without
a call to c4x_address_cost. */
-extern int c4x_address_cost ();
-
#define ADDRESS_COST(ADDR) (REG_P (ADDR) ? 1 : c4x_address_cost (ADDR))
#define CANONICALIZE_COMPARISON(CODE, OP0, OP1) \
#define ASM_OUTPUT_BYTE(FILE, VALUE) \
fprintf (FILE, "\t.word\t0%xh\n", (VALUE))
-extern void c4x_output_ascii ();
#define ASM_OUTPUT_ASCII(FILE, PTR, LEN) c4x_output_ascii (FILE, PTR, LEN)
#define ASM_OPEN_PAREN "("
"iif", "rs", "re", "rc", "f8", "f9", "f10", "f11" \
}
-
-extern void c4x_print_operand ();
#define PRINT_OPERAND(FILE, X, CODE) c4x_print_operand(FILE, X, CODE)
/* Determine which codes are valid without a following integer. These must
#define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '#')
-extern void c4x_print_operand_address ();
#define PRINT_OPERAND_ADDRESS(FILE, X) c4x_print_operand_address(FILE, X)
/* Define this macro if you want to implement any pragmas. If defined, it
text can be read. CH is the first character after the #pragma. The
result of the expression is the terminating character found
(newline or EOF). */
-extern int c4x_handle_pragma ();
#define HANDLE_PRAGMA(GETC, UNGETC, NAME) \
c4x_handle_pragma (GETC, UNGETC, NAME)
-extern void c4x_set_default_attributes ();
#define SET_DEFAULT_DECL_ATTRIBUTES(DECL, ATTRIBUTES) \
c4x_set_default_attributes (DECL, &ATTRIBUTES)
-extern int c4x_valid_type_attribute_p ();
#define VALID_MACHINE_TYPE_ATTRIBUTE(TYPE, ATTRIBUTES, NAME, ARGS) \
(c4x_valid_type_attribute_p (TYPE, ATTRIBUTES, NAME, ARGS))
extern int c4x_rpts_cycles; /* max cycles for RPTS */
extern int c4x_cpu_version; /* cpu version C30/31/32/40/44 */
-
-/* Functions in c4x.c */
-
-extern void c4x_function_prologue ();
-
-extern void c4x_function_epilogue ();
-
-extern struct rtx_def *c4x_operand_subword ();
-
-extern struct rtx_def *c4x_adj_offsettable_operand ();
-
-extern char *c4x_output_cbranch ();
-
-extern int c4x_null_epilogue_p ();
-
-extern int c4x_autoinc_operand ();
-
-extern int c4x_label_conflict ();
-
-extern int c4x_address_conflict ();
-
-extern int c4x_adjust_cost ();
-
-extern void c4x_process_after_reload ();
-
-extern void c4x_combine_parallel ();
-
-extern int c4x_rptb_nop_p ();
-
-extern int c4x_rptb_rpts_p ();
-
-extern int fp_zero_operand ();
-
-extern int const_operand ();
-
-extern int stik_const_operand ();
-
-extern int not_const_operand ();
-
-extern int parallel_operand ();
-
-extern int reg_or_const_operand ();
-
-extern int reg_operand ();
-
-extern int mixed_subreg_operand ();
-
-extern int reg_imm_operand ();
-
-extern int r0r1_reg_operand ();
-
-extern int r2r3_reg_operand ();
-
-extern int ext_low_reg_operand ();
-
-extern int ext_reg_operand ();
-
-extern int std_reg_operand ();
-
-extern int dst_operand ();
-
-extern int src_operand ();
-
-extern int src_hi_operand ();
-
-extern int lsrc_operand ();
-
-extern int tsrc_operand ();
-
-extern int addr_reg_operand ();
-
-extern int index_reg_operand ();
-
-extern int dp_reg_operand ();
-
-extern int sp_reg_operand ();
-
-extern int rc_reg_operand ();
-
-extern int st_reg_operand ();
-
-extern int symbolic_address_operand ();
-
-extern int ar0_reg_operand ();
-
-extern int ar0_mem_operand ();
-
-extern int ar1_reg_operand ();
-
-extern int ar1_mem_operand ();
-
-extern int ar2_reg_operand ();
-
-extern int ar2_mem_operand ();
-
-extern int ar3_reg_operand ();
-
-extern int ar3_mem_operand ();
-
-extern int ar4_reg_operand ();
-
-extern int ar4_mem_operand ();
-
-extern int ar5_reg_operand ();
-
-extern int ar5_mem_operand ();
-
-extern int ar6_reg_operand ();
-
-extern int ar6_mem_operand ();
-
-extern int ar7_reg_operand ();
-
-extern int ar7_mem_operand ();
-
-extern int ir0_reg_operand ();
-
-extern int ir0_mem_operand ();
-
-extern int ir1_reg_operand ();
-
-extern int ir1_mem_operand ();
-
-extern int group1_reg_operand ();
-
-extern int group1_mem_operand ();
-
-extern int arx_reg_operand ();
-
-extern int call_address_operand ();
-
-extern int par_ind_operand ();
-
-extern int not_rc_reg ();
-
-extern int not_modify_reg ();
-
-extern int c4x_shiftable_constant ();
-
-extern int c4x_H_constant ();
-
-extern int c4x_I_constant ();
-
-extern int c4x_J_constant ();
-
-extern int c4x_L_constant ();
-
-extern int c4x_Q_constraint ();
-
-extern int c4x_R_constraint ();
-
-extern int c4x_S_constraint ();
-
-extern int c4x_T_constraint ();
-
-extern int c4x_U_constraint ();
-
-extern void c4x_emit_libcall ();
-
-extern void c4x_emit_libcall3 ();
-
-extern void c4x_emit_libcall_mulhi ();
-
-extern int c4x_emit_move_sequence ();
-
-extern int legitimize_operands ();
-
-extern int valid_operands ();
-
-extern int valid_parallel_load_store ();
-
-extern int valid_parallel_operands_4 ();
-
-extern int valid_parallel_operands_5 ();
-
-extern int valid_parallel_operands_6 ();
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