/* Definitions for the Blackfin port.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2007 Free Software Foundation, Inc.
Contributed by Analog Devices.
This file is part of GCC.
GCC 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
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
License for more details.
You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING. If not, write to
- the Free Software Foundation, 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef _BFIN_CONFIG
#define _BFIN_CONFIG
extern int target_flags;
+#ifndef DEFAULT_CPU_TYPE
+#define DEFAULT_CPU_TYPE BFIN_CPU_BF532
+#endif
+
/* Predefinition in the preprocessor for this target machine */
#ifndef TARGET_CPU_CPP_BUILTINS
#define TARGET_CPU_CPP_BUILTINS() \
do \
{ \
- builtin_define ("bfin"); \
- builtin_define ("BFIN"); \
+ builtin_define_std ("bfin"); \
+ builtin_define_std ("BFIN"); \
+ builtin_define ("__ADSPBLACKFIN__"); \
+ builtin_define ("__ADSPLPBLACKFIN__"); \
+ \
+ switch (bfin_cpu_type) \
+ { \
+ case BFIN_CPU_BF531: \
+ builtin_define ("__ADSPBF531__"); \
+ break; \
+ case BFIN_CPU_BF532: \
+ builtin_define ("__ADSPBF532__"); \
+ break; \
+ case BFIN_CPU_BF533: \
+ builtin_define ("__ADSPBF533__"); \
+ break; \
+ case BFIN_CPU_BF534: \
+ builtin_define ("__ADSPBF534__"); \
+ break; \
+ case BFIN_CPU_BF536: \
+ builtin_define ("__ADSPBF536__"); \
+ break; \
+ case BFIN_CPU_BF537: \
+ builtin_define ("__ADSPBF537__"); \
+ break; \
+ case BFIN_CPU_BF561: \
+ builtin_define ("__ADSPBF561__"); \
+ break; \
+ } \
+ \
+ if (TARGET_FDPIC) \
+ builtin_define ("__BFIN_FDPIC__"); \
+ if (TARGET_ID_SHARED_LIBRARY) \
+ builtin_define ("__ID_SHARED_LIB__"); \
+ if (flag_no_builtin) \
+ builtin_define ("__NO_BUILTIN"); \
} \
while (0)
#endif
+#define DRIVER_SELF_SPECS SUBTARGET_DRIVER_SELF_SPECS "\
+ %{mleaf-id-shared-library:%{!mid-shared-library:-mid-shared-library}} \
+ %{mfdpic:%{!fpic:%{!fpie:%{!fPIC:%{!fPIE:\
+ %{!fno-pic:%{!fno-pie:%{!fno-PIC:%{!fno-PIE:-fpie}}}}}}}}} \
+"
+#ifndef SUBTARGET_DRIVER_SELF_SPECS
+# define SUBTARGET_DRIVER_SELF_SPECS
+#endif
+
+#define LINK_GCC_C_SEQUENCE_SPEC "\
+ %{mfast-fp:-lbffastfp} %G %L %{mfast-fp:-lbffastfp} %G \
+"
+
+/* A C string constant that tells the GCC driver program options to pass to
+ the assembler. It can also specify how to translate options you give to GNU
+ CC into options for GCC to pass to the assembler. See the file `sun3.h'
+ for an example of this.
+
+ Do not define this macro if it does not need to do anything.
+
+ Defined in svr4.h. */
+#undef ASM_SPEC
+#define ASM_SPEC "\
+%{G*} %{v} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
+ %{mno-fdpic:-mnopic} %{mfdpic}"
+
+#define LINK_SPEC "\
+%{h*} %{v:-V} \
+%{b} \
+%{mfdpic:-melf32bfinfd -z text} \
+%{static:-dn -Bstatic} \
+%{shared:-G -Bdynamic} \
+%{symbolic:-Bsymbolic} \
+%{G*} \
+%{YP,*} \
+%{Qy:} %{!Qn:-Qy} \
+-init __init -fini __fini "
+
/* Generate DSP instructions, like DSP halfword loads */
#define TARGET_DSP (1)
-#define TARGET_DEFAULT MASK_CSYNC
+#define TARGET_DEFAULT (MASK_SPECLD_ANOMALY | MASK_CSYNC_ANOMALY)
/* Maximum number of library ids we permit */
#define MAX_LIBRARY_ID 255
#define STACK_PUSH_CODE PRE_DEC
-/* Define this if the nominal address of the stack frame
+/* Define this to nonzero if the nominal address of the stack frame
is at the high-address end of the local variables;
that is, each additional local variable allocated
goes at a more negative offset in the frame. */
-#define FRAME_GROWS_DOWNWARD
+#define FRAME_GROWS_DOWNWARD 1
/* We define a dummy ARGP register; the parameters start at offset 0 from
it. */
to allocate such a register (if necessary). */
#define PIC_OFFSET_TABLE_REGNUM (REG_P5)
+#define FDPIC_FPTR_REGNO REG_P1
+#define FDPIC_REGNO REG_P3
+#define OUR_FDPIC_REG get_hard_reg_initial_val (SImode, FDPIC_REGNO)
+
/* A static chain register for nested functions. We need to use a
call-clobbered register for this. */
#define STATIC_CHAIN_REGNUM REG_P2
/* Define this if the above stack space is to be considered part of the
* space allocated by the caller. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
/* Define this if the maximum size of all the outgoing args is to be
accumulated and pushed during the prologue. The amount can be
*/
#define FRAME_POINTER_REQUIRED (bfin_frame_pointer_required ())
-#define PARM_BOUNDRY 32
+/*#define DATA_ALIGNMENT(TYPE, BASIC-ALIGN) for arrays.. */
+
+/* If defined, a C expression to compute the alignment for a local
+ variable. TYPE is the data type, and ALIGN is the alignment that
+ the object would ordinarily have. The value of this macro is used
+ instead of that alignment to align the object.
-#define STACK_BOUNDRY 32
+ If this macro is not defined, then ALIGN is used.
-/*#define DATA_ALIGNMENT(TYPE, BASIC-ALIGN) for arrays.. */
+ One use of this macro is to increase alignment of medium-size
+ data to make it all fit in fewer cache lines. */
+
+#define LOCAL_ALIGNMENT(TYPE, ALIGN) bfin_local_alignment ((TYPE), (ALIGN))
/* Make strings word-aligned so strcpy from constants will be faster. */
#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
(TREE_CODE (EXP) == STRING_CST \
&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
-#define TRAMPOLINE_SIZE 18
+#define TRAMPOLINE_SIZE (TARGET_FDPIC ? 30 : 18)
#define TRAMPOLINE_TEMPLATE(FILE) \
- fprintf(FILE, "\t.dd\t0x0000e109\n"); /* p1.l = fn low */ \
- fprintf(FILE, "\t.dd\t0x0000e149\n"); /* p1.h = fn high */; \
- fprintf(FILE, "\t.dd\t0x0000e10a\n"); /* p2.l = sc low */; \
- fprintf(FILE, "\t.dd\t0x0000e14a\n"); /* p2.h = sc high */; \
- fprintf(FILE, "\t.dw\t0x0051\n"); /* jump (p1)*/
+ if (TARGET_FDPIC) \
+ { \
+ fprintf(FILE, "\t.dd\t0x00000000\n"); /* 0 */ \
+ fprintf(FILE, "\t.dd\t0x00000000\n"); /* 0 */ \
+ fprintf(FILE, "\t.dd\t0x0000e109\n"); /* p1.l = fn low */ \
+ fprintf(FILE, "\t.dd\t0x0000e149\n"); /* p1.h = fn high */ \
+ fprintf(FILE, "\t.dd\t0x0000e10a\n"); /* p2.l = sc low */ \
+ fprintf(FILE, "\t.dd\t0x0000e14a\n"); /* p2.h = sc high */ \
+ fprintf(FILE, "\t.dw\t0xac4b\n"); /* p3 = [p1 + 4] */ \
+ fprintf(FILE, "\t.dw\t0x9149\n"); /* p1 = [p1] */ \
+ fprintf(FILE, "\t.dw\t0x0051\n"); /* jump (p1)*/ \
+ } \
+ else \
+ { \
+ fprintf(FILE, "\t.dd\t0x0000e109\n"); /* p1.l = fn low */ \
+ fprintf(FILE, "\t.dd\t0x0000e149\n"); /* p1.h = fn high */ \
+ fprintf(FILE, "\t.dd\t0x0000e10a\n"); /* p2.l = sc low */ \
+ fprintf(FILE, "\t.dd\t0x0000e14a\n"); /* p2.h = sc high */ \
+ fprintf(FILE, "\t.dw\t0x0051\n"); /* jump (p1)*/ \
+ }
#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
initialize_trampoline (TRAMP, FNADDR, CXT)
5 return address registers RETS/I/X/N/E
1 arithmetic status register (ASTAT). */
-#define FIRST_PSEUDO_REGISTER 44
+#define FIRST_PSEUDO_REGISTER 50
-#define PREG_P(X) (REG_P (X) && REGNO (X) >= REG_P0 && REGNO (X) <= REG_P7)
-#define ADDRESS_REGNO_P(X) ((X) >= REG_P0 && (X) <= REG_M3)
#define D_REGNO_P(X) ((X) <= REG_R7)
+#define P_REGNO_P(X) ((X) >= REG_P0 && (X) <= REG_P7)
+#define I_REGNO_P(X) ((X) >= REG_I0 && (X) <= REG_I3)
+#define DP_REGNO_P(X) (D_REGNO_P (X) || P_REGNO_P (X))
+#define ADDRESS_REGNO_P(X) ((X) >= REG_P0 && (X) <= REG_M3)
+#define DREG_P(X) (REG_P (X) && D_REGNO_P (REGNO (X)))
+#define PREG_P(X) (REG_P (X) && P_REGNO_P (REGNO (X)))
+#define IREG_P(X) (REG_P (X) && I_REGNO_P (REGNO (X)))
+#define DPREG_P(X) (REG_P (X) && DP_REGNO_P (REGNO (X)))
#define REGISTER_NAMES { \
"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", \
"P0", "P1", "P2", "P3", "P4", "P5", "SP", "FP", \
- "I0", "B0", "L0", "I1", "B1", "L1", "I2", "B2", \
- "L2", "I3", "B3", "L3", "M0", "M1", "M2", "M3", \
+ "I0", "I1", "I2", "I3", "B0", "B1", "B2", "B3", \
+ "L0", "L1", "L2", "L3", "M0", "M1", "M2", "M3", \
"A0", "A1", \
"CC", \
"RETS", "RETI", "RETX", "RETN", "RETE", "ASTAT", "SEQSTAT", "USP", \
- "ARGP" \
+ "ARGP", \
+ "LT0", "LT1", "LC0", "LC1", "LB0", "LB1" \
}
#define SHORT_REGISTER_NAMES { \
"R0.L", "R1.L", "R2.L", "R3.L", "R4.L", "R5.L", "R6.L", "R7.L", \
"P0.L", "P1.L", "P2.L", "P3.L", "P4.L", "P5.L", "SP.L", "FP.L", \
- "I0.L", "B0.L", "L0.L", "I1.L", "B1.L", "L1.L", "I2.L", "B2.L", \
- "L2.L", "I3.L", "B3.L", "L3.L", "M0.L", "M1.L", "M2.L", "M3.L", }
+ "I0.L", "I1.L", "I2.L", "I3.L", "B0.L", "B1.L", "B2.L", "B3.L", \
+ "L0.L", "L1.L", "L2.L", "L3.L", "M0.L", "M1.L", "M2.L", "M3.L", }
#define HIGH_REGISTER_NAMES { \
"R0.H", "R1.H", "R2.H", "R3.H", "R4.H", "R5.H", "R6.H", "R7.H", \
"P0.H", "P1.H", "P2.H", "P3.H", "P4.H", "P5.H", "SP.H", "FP.H", \
- "I0.H", "B0.H", "L0.H", "I1.H", "B1.H", "L1.H", "I2.H", "B2.H", \
- "L2.H", "I3.H", "B3.H", "L3.H", "M0.H", "M1.H", "M2.H", "M3.H", }
+ "I0.H", "I1.H", "I2.H", "I3.H", "B0.H", "B1.H", "B2.H", "B3.H", \
+ "L0.H", "L1.H", "L2.H", "L3.H", "M0.H", "M1.H", "M2.H", "M3.H", }
#define DREGS_PAIR_NAMES { \
"R1:0.p", 0, "R3:2.p", 0, "R5:4.p", 0, "R7:6.p", 0, }
#define FIXED_REGISTERS \
/*r0 r1 r2 r3 r4 r5 r6 r7 p0 p1 p2 p3 p4 p5 p6 p7 */ \
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, \
-/*i0 b0 l0 i1 b1 l1 i2 b2 l2 i3 b3 l3 m0 m1 m2 m3 */ \
- 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, \
-/*a0 a1 cc rets/i/x/n/e astat seqstat usp argp */ \
- 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 \
+/*i0 i1 i2 i3 b0 b1 b2 b3 l0 l1 l2 l3 m0 m1 m2 m3 */ \
+ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, \
+/*a0 a1 cc rets/i/x/n/e astat seqstat usp argp lt0/1 lc0/1 */ \
+ 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+/*lb0/1 */ \
+ 1, 1 \
}
/* 1 for registers not available across function calls.
#define CALL_USED_REGISTERS \
/*r0 r1 r2 r3 r4 r5 r6 r7 p0 p1 p2 p3 p4 p5 p6 p7 */ \
{ 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, \
-/*i0 b0 l0 i1 b1 l1 i2 b2 l2 i3 b3 l3 m0 m1 m2 m3 */ \
+/*i0 i1 i2 i3 b0 b1 b2 b3 l0 l1 l2 l3 m0 m1 m2 m3 */ \
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
-/*a0 a1 cc rets/i/x/n/e astat seqstat usp argp */ \
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 \
+/*a0 a1 cc rets/i/x/n/e astat seqstat usp argp lt0/1 lc0/1 */ \
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \
+/*lb0/1 */ \
+ 1, 1 \
}
/* Order in which to allocate registers. Each register must be
{ REG_R0, REG_R1, REG_R2, REG_R3, REG_R7, REG_R6, REG_R5, REG_R4, \
REG_P2, REG_P1, REG_P0, REG_P5, REG_P4, REG_P3, REG_P6, REG_P7, \
REG_A0, REG_A1, \
- REG_I0, REG_B0, REG_L0, REG_I1, REG_B1, REG_L1, REG_I2, REG_B2, \
- REG_L2, REG_I3, REG_B3, REG_L3, REG_M0, REG_M1, REG_M2, REG_M3, \
+ REG_I0, REG_I1, REG_I2, REG_I3, REG_B0, REG_B1, REG_B2, REG_B3, \
+ REG_L0, REG_L1, REG_L2, REG_L3, REG_M0, REG_M1, REG_M2, REG_M3, \
REG_RETS, REG_RETI, REG_RETX, REG_RETN, REG_RETE, \
REG_ASTAT, REG_SEQSTAT, REG_USP, \
- REG_CC, REG_ARGP \
+ REG_CC, REG_ARGP, \
+ REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1 \
}
/* Macro to conditionally modify fixed_regs/call_used_regs. */
#define CONDITIONAL_REGISTER_USAGE \
{ \
conditional_register_usage(); \
- if (flag_pic) \
+ if (TARGET_FDPIC) \
+ call_used_regs[FDPIC_REGNO] = 1; \
+ if (!TARGET_FDPIC && flag_pic) \
{ \
fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
CCREGS,
EVEN_DREGS,
ODD_DREGS,
+ D0REGS,
+ D1REGS,
+ D2REGS,
+ D3REGS,
+ D4REGS,
+ D5REGS,
+ D6REGS,
+ D7REGS,
DREGS,
+ P0REGS,
+ FDPIC_REGS,
+ FDPIC_FPTR_REGS,
PREGS_CLOBBERED,
PREGS,
+ IPREGS,
DPREGS,
MOST_REGS,
+ LT_REGS,
+ LC_REGS,
+ LB_REGS,
PROLOGUE_REGS,
NON_A_CC_REGS,
ALL_REGS, LIM_REG_CLASSES
"CCREGS", \
"EVEN_DREGS", \
"ODD_DREGS", \
+ "D0REGS", \
+ "D1REGS", \
+ "D2REGS", \
+ "D3REGS", \
+ "D4REGS", \
+ "D5REGS", \
+ "D6REGS", \
+ "D7REGS", \
"DREGS", \
+ "P0REGS", \
+ "FDPIC_REGS", \
+ "FDPIC_FPTR_REGS", \
"PREGS_CLOBBERED", \
"PREGS", \
+ "IPREGS", \
"DPREGS", \
"MOST_REGS", \
+ "LT_REGS", \
+ "LC_REGS", \
+ "LB_REGS", \
"PROLOGUE_REGS", \
"NON_A_CC_REGS", \
"ALL_REGS" }
#define REG_CLASS_CONTENTS \
/* 31 - 0 63-32 */ \
{ { 0x00000000, 0 }, /* NO_REGS */ \
- { 0x02490000, 0 }, /* IREGS */ \
- { 0x04920000, 0 }, /* BREGS */ \
- { 0x09240000, 0 }, /* LREGS */ \
+ { 0x000f0000, 0 }, /* IREGS */ \
+ { 0x00f00000, 0 }, /* BREGS */ \
+ { 0x0f000000, 0 }, /* LREGS */ \
{ 0xf0000000, 0 }, /* MREGS */ \
{ 0x0fff0000, 0 }, /* CIRCREGS */ \
{ 0xffff0000, 0 }, /* DAGREGS */ \
{ 0x00000000, 0x4 }, /* CCREGS */ \
{ 0x00000055, 0 }, /* EVEN_DREGS */ \
{ 0x000000aa, 0 }, /* ODD_DREGS */ \
+ { 0x00000001, 0 }, /* D0REGS */ \
+ { 0x00000002, 0 }, /* D1REGS */ \
+ { 0x00000004, 0 }, /* D2REGS */ \
+ { 0x00000008, 0 }, /* D3REGS */ \
+ { 0x00000010, 0 }, /* D4REGS */ \
+ { 0x00000020, 0 }, /* D5REGS */ \
+ { 0x00000040, 0 }, /* D6REGS */ \
+ { 0x00000080, 0 }, /* D7REGS */ \
{ 0x000000ff, 0 }, /* DREGS */ \
+ { 0x00000100, 0x000 }, /* P0REGS */ \
+ { 0x00000800, 0x000 }, /* FDPIC_REGS */ \
+ { 0x00000200, 0x000 }, /* FDPIC_FPTR_REGS */ \
{ 0x00004700, 0x800 }, /* PREGS_CLOBBERED */ \
{ 0x0000ff00, 0x800 }, /* PREGS */ \
+ { 0x000fff00, 0x800 }, /* IPREGS */ \
{ 0x0000ffff, 0x800 }, /* DPREGS */ \
{ 0xffffffff, 0x800 }, /* MOST_REGS */\
- { 0x00000000, 0x7f8 }, /* PROLOGUE_REGS */\
- { 0xffffffff, 0xff8 }, /* NON_A_CC_REGS */\
- { 0xffffffff, 0xfff }} /* ALL_REGS */
+ { 0x00000000, 0x3000 }, /* LT_REGS */\
+ { 0x00000000, 0xc000 }, /* LC_REGS */\
+ { 0x00000000, 0x30000 }, /* LB_REGS */\
+ { 0x00000000, 0x3f7f8 }, /* PROLOGUE_REGS */\
+ { 0xffffffff, 0x3fff8 }, /* NON_A_CC_REGS */\
+ { 0xffffffff, 0x3ffff }} /* ALL_REGS */
+
+#define IREG_POSSIBLE_P(OUTER) \
+ ((OUTER) == POST_INC || (OUTER) == PRE_INC \
+ || (OUTER) == POST_DEC || (OUTER) == PRE_DEC \
+ || (OUTER) == MEM || (OUTER) == ADDRESS)
+
+#define MODE_CODE_BASE_REG_CLASS(MODE, OUTER, INDEX) \
+ ((MODE) == HImode && IREG_POSSIBLE_P (OUTER) ? IPREGS : PREGS)
-#define BASE_REG_CLASS PREGS
#define INDEX_REG_CLASS PREGS
-#define REGNO_OK_FOR_BASE_STRICT_P(X) (REGNO_REG_CLASS (X) == BASE_REG_CLASS)
-#define REGNO_OK_FOR_BASE_NONSTRICT_P(X) \
- (((X) >= FIRST_PSEUDO_REGISTER) || REGNO_REG_CLASS (X) == BASE_REG_CLASS)
+#define REGNO_OK_FOR_BASE_STRICT_P(X, MODE, OUTER, INDEX) \
+ (P_REGNO_P (X) || (X) == REG_ARGP \
+ || (IREG_POSSIBLE_P (OUTER) && (MODE) == HImode \
+ && I_REGNO_P (X)))
+
+#define REGNO_OK_FOR_BASE_NONSTRICT_P(X, MODE, OUTER, INDEX) \
+ ((X) >= FIRST_PSEUDO_REGISTER \
+ || REGNO_OK_FOR_BASE_STRICT_P (X, MODE, OUTER, INDEX))
#ifdef REG_OK_STRICT
-#define REGNO_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_STRICT_P (X)
+#define REGNO_MODE_CODE_OK_FOR_BASE_P(X, MODE, OUTER, INDEX) \
+ REGNO_OK_FOR_BASE_STRICT_P (X, MODE, OUTER, INDEX)
#else
-#define REGNO_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_NONSTRICT_P (X)
+#define REGNO_MODE_CODE_OK_FOR_BASE_P(X, MODE, OUTER, INDEX) \
+ REGNO_OK_FOR_BASE_NONSTRICT_P (X, MODE, OUTER, INDEX)
#endif
-#define REG_OK_FOR_BASE_P(X) (REG_P (X) && REGNO_OK_FOR_BASE_P (REGNO (X)))
-#define REG_OK_FOR_INDEX_P(X) 0
#define REGNO_OK_FOR_INDEX_P(X) 0
/* Get reg_class from a letter such as appears in the machine description. */
-#define REG_CLASS_FROM_LETTER(LETTER) \
+#define REG_CLASS_FROM_CONSTRAINT(LETTER, STR) \
((LETTER) == 'a' ? PREGS : \
+ (LETTER) == 'Z' ? FDPIC_REGS : \
+ (LETTER) == 'Y' ? FDPIC_FPTR_REGS : \
(LETTER) == 'd' ? DREGS : \
(LETTER) == 'z' ? PREGS_CLOBBERED : \
(LETTER) == 'D' ? EVEN_DREGS : \
(LETTER) == 'A' ? EVEN_AREGS : \
(LETTER) == 'B' ? ODD_AREGS : \
(LETTER) == 'b' ? IREGS : \
- (LETTER) == 'B' ? BREGS : \
+ (LETTER) == 'v' ? BREGS : \
(LETTER) == 'f' ? MREGS : \
(LETTER) == 'c' ? CIRCREGS : \
(LETTER) == 'C' ? CCREGS : \
+ (LETTER) == 't' ? LT_REGS : \
+ (LETTER) == 'k' ? LC_REGS : \
+ (LETTER) == 'u' ? LB_REGS : \
(LETTER) == 'x' ? MOST_REGS : \
(LETTER) == 'y' ? PROLOGUE_REGS : \
(LETTER) == 'w' ? NON_A_CC_REGS : \
+ (LETTER) == 'q' \
+ ? ((STR)[1] == '0' ? D0REGS \
+ : (STR)[1] == '1' ? D1REGS \
+ : (STR)[1] == '2' ? D2REGS \
+ : (STR)[1] == '3' ? D3REGS \
+ : (STR)[1] == '4' ? D4REGS \
+ : (STR)[1] == '5' ? D5REGS \
+ : (STR)[1] == '6' ? D6REGS \
+ : (STR)[1] == '7' ? D7REGS \
+ : (STR)[1] == 'A' ? P0REGS \
+ : NO_REGS) : \
NO_REGS)
/* The same information, inverted:
or could index an array. */
#define REGNO_REG_CLASS(REGNO) \
- ((REGNO) < REG_P0 ? DREGS \
+((REGNO) == REG_R0 ? D0REGS \
+ : (REGNO) == REG_R1 ? D1REGS \
+ : (REGNO) == REG_R2 ? D2REGS \
+ : (REGNO) == REG_R3 ? D3REGS \
+ : (REGNO) == REG_R4 ? D4REGS \
+ : (REGNO) == REG_R5 ? D5REGS \
+ : (REGNO) == REG_R6 ? D6REGS \
+ : (REGNO) == REG_R7 ? D7REGS \
+ : (REGNO) == REG_P0 ? P0REGS \
: (REGNO) < REG_I0 ? PREGS \
- : (REGNO) == REG_ARGP ? BASE_REG_CLASS \
+ : (REGNO) == REG_ARGP ? PREGS \
: (REGNO) >= REG_I0 && (REGNO) <= REG_I3 ? IREGS \
: (REGNO) >= REG_L0 && (REGNO) <= REG_L3 ? LREGS \
: (REGNO) >= REG_B0 && (REGNO) <= REG_B3 ? BREGS \
: (REGNO) >= REG_M0 && (REGNO) <= REG_M3 ? MREGS \
: (REGNO) == REG_A0 || (REGNO) == REG_A1 ? AREGS \
+ : (REGNO) == REG_LT0 || (REGNO) == REG_LT1 ? LT_REGS \
+ : (REGNO) == REG_LC0 || (REGNO) == REG_LC1 ? LC_REGS \
+ : (REGNO) == REG_LB0 || (REGNO) == REG_LB1 ? LB_REGS \
: (REGNO) == REG_CC ? CCREGS \
: (REGNO) >= REG_RETS ? PROLOGUE_REGS \
: NO_REGS)
#define CLASS_LIKELY_SPILLED_P(CLASS) \
((CLASS) == PREGS_CLOBBERED \
|| (CLASS) == PROLOGUE_REGS \
+ || (CLASS) == P0REGS \
+ || (CLASS) == D0REGS \
+ || (CLASS) == D1REGS \
+ || (CLASS) == D2REGS \
|| (CLASS) == CCREGS)
/* Do not allow to store a value in REG_CC for any mode */
/* Return the maximum number of consecutive registers
needed to represent mode MODE in a register of class CLASS. */
-#define CLASS_MAX_NREGS(CLASS, MODE) \
- ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
+#define CLASS_MAX_NREGS(CLASS, MODE) \
+ ((MODE) == V2PDImode && (CLASS) == AREGS ? 2 \
+ : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD))
#define HARD_REGNO_NREGS(REGNO, MODE) \
-((MODE) == PDImode && ((REGNO) == REG_A0 || (REGNO) == REG_A1) \
- ? 1 : CLASS_MAX_NREGS (GENERAL_REGS, MODE))
+ ((MODE) == PDImode && ((REGNO) == REG_A0 || (REGNO) == REG_A1) ? 1 \
+ : (MODE) == V2PDImode && ((REGNO) == REG_A0 || (REGNO) == REG_A1) ? 2 \
+ : CLASS_MAX_NREGS (GENERAL_REGS, MODE))
/* A C expression that is nonzero if hard register TO can be
considered for use as a rename register for FROM register */
If `HARD_REGNO_MODE_OK (R, MODE1)' and `HARD_REGNO_MODE_OK (R,
MODE2)' are ever different for any R, then `MODES_TIEABLE_P (MODE1,
MODE2)' must be zero. */
-#define MODES_TIEABLE_P(MODE1, MODE2) ((MODE1) == (MODE2))
+#define MODES_TIEABLE_P(MODE1, MODE2) \
+ ((MODE1) == (MODE2) \
+ || ((GET_MODE_CLASS (MODE1) == MODE_INT \
+ || GET_MODE_CLASS (MODE1) == MODE_FLOAT) \
+ && (GET_MODE_CLASS (MODE2) == MODE_INT \
+ || GET_MODE_CLASS (MODE2) == MODE_FLOAT) \
+ && (MODE1) != BImode && (MODE2) != BImode \
+ && GET_MODE_SIZE (MODE1) <= UNITS_PER_WORD \
+ && GET_MODE_SIZE (MODE2) <= UNITS_PER_WORD))
/* `PREFERRED_RELOAD_CLASS (X, CLASS)'
A C expression that places additional restrictions on the register
class to use when it is necessary to copy value X into a register
in class CLASS. The value is a register class; perhaps CLASS, or
perhaps another, smaller class. */
-#define PREFERRED_RELOAD_CLASS(X, CLASS) (CLASS)
-
-#define SECONDARY_OUTPUT_RELOAD_CLASS(class,mode,x) \
- secondary_output_reload_class(class,mode,x)
-#define SECONDARY_INPUT_RELOAD_CLASS(class,mode,x) \
- secondary_input_reload_class(class,mode,x)
+#define PREFERRED_RELOAD_CLASS(X, CLASS) \
+ (GET_CODE (X) == POST_INC \
+ || GET_CODE (X) == POST_DEC \
+ || GET_CODE (X) == PRE_DEC ? PREGS : (CLASS))
/* Function Calling Conventions. */
#define FUNCTION_ARG_REGISTERS { REG_R0, REG_R1, REG_R2, -1 }
+/* Flags for the call/call_value rtl operations set up by function_arg */
+#define CALL_NORMAL 0x00000000 /* no special processing */
+#define CALL_LONG 0x00000001 /* always call indirect */
+#define CALL_SHORT 0x00000002 /* always call by symbol */
+
typedef struct {
int words; /* # words passed so far */
int nregs; /* # registers available for passing */
int *arg_regs; /* array of register -1 terminated */
+ int call_cookie; /* Do special things for this call */
} CUMULATIVE_ARGS;
/* Define where to put the arguments to a function.
#define EH_RETURN_DATA_REGNO(N) ((N) < 2 ? (N) : INVALID_REGNUM)
#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, REG_P2)
#define EH_RETURN_HANDLER_RTX \
- gen_rtx_MEM (Pmode, plus_constant (frame_pointer_rtx, UNITS_PER_WORD))
+ gen_frame_mem (Pmode, plus_constant (frame_pointer_rtx, UNITS_PER_WORD))
/* Addressing Modes */
See force_const_mem().
If -mno-pool, all constants are legitimate.
*/
-#define LEGITIMATE_CONSTANT_P(x) 1
+#define LEGITIMATE_CONSTANT_P(X) bfin_legitimate_constant_p (X)
/* A number, the maximum number of registers that can appear in a
valid memory address. Note that it is up to you to specify a
You may assume that ADDR is a valid address for the machine.
*/
-#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) \
-do { \
- if (GET_CODE (ADDR) == POST_INC \
- || GET_CODE (ADDR) == POST_DEC \
- || GET_CODE (ADDR) == PRE_DEC) \
- goto LABEL; \
-} while (0)
+#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL)
#define NOTICE_UPDATE_CC(EXPR, INSN) 0
in one reasonably fast instruction. */
#define MOVE_MAX UNITS_PER_WORD
+/* If a memory-to-memory move would take MOVE_RATIO or more simple
+ move-instruction pairs, we will do a movmem or libcall instead. */
+
+#define MOVE_RATIO 5
/* STORAGE LAYOUT: target machine storage layout
Define this macro as a C expression which is nonzero if accessing
#define CONST_3UBIT_IMM_P(VALUE) ((VALUE) >= 0 && (VALUE) <= 7)
#define CONSTRAINT_LEN(C, STR) \
- ((C) == 'P' || (C) == 'M' || (C) == 'N' ? 2 \
+ ((C) == 'P' || (C) == 'M' || (C) == 'N' || (C) == 'q' ? 2 \
: (C) == 'K' ? 3 \
: DEFAULT_CONSTRAINT_LEN ((C), (STR)))
: (STR)[1] == '2' ? (VALUE) == 2 \
: (STR)[1] == '3' ? (VALUE) == 3 \
: (STR)[1] == '4' ? (VALUE) == 4 \
+ : (STR)[1] == 'A' ? (VALUE) != MACFLAG_M && (VALUE) != MACFLAG_IS_M \
+ : (STR)[1] == 'B' ? (VALUE) == MACFLAG_M || (VALUE) == MACFLAG_IS_M \
: 0)
#define CONST_OK_FOR_K(VALUE, STR) \
: (STR)[1] == 'n' \
? ((STR)[2] == '7' ? CONST_7NBIT_IMM_P (VALUE) \
: 0) \
+ : (STR)[1] == 'N' \
+ ? ((STR)[2] == '7' ? CONST_7BIT_IMM_P (-(VALUE)) \
+ : 0) \
: 0)
#define CONST_OK_FOR_M(VALUE, STR) \
#define EXTRA_CONSTRAINT(VALUE, D) \
((D) == 'Q' ? GET_CODE (VALUE) == SYMBOL_REF : 0)
-/* `FINALIZE_PIC'
- By generating position-independent code, when two different
- programs (A and B) share a common library (libC.a), the text of
- the library can be shared whether or not the library is linked at
- the same address for both programs. In some of these
- environments, position-independent code requires not only the use
- of different addressing modes, but also special code to enable the
- use of these addressing modes.
-
- The `FINALIZE_PIC' macro serves as a hook to emit these special
- codes once the function is being compiled into assembly code, but
- not before. (It is not done before, because in the case of
- compiling an inline function, it would lead to multiple PIC
- prologues being included in functions which used inline functions
- and were compiled to assembly language.) */
-#define FINALIZE_PIC do {} while (0)
+/* Evaluates to true if A and B are mac flags that can be used
+ together in a single multiply insn. That is the case if they are
+ both the same flag not involving M, or if one is a combination of
+ the other with M. */
+#define MACFLAGS_MATCH_P(A, B) \
+ ((A) == (B) \
+ || ((A) == MACFLAG_NONE && (B) == MACFLAG_M) \
+ || ((A) == MACFLAG_M && (B) == MACFLAG_NONE) \
+ || ((A) == MACFLAG_IS && (B) == MACFLAG_IS_M) \
+ || ((A) == MACFLAG_IS_M && (B) == MACFLAG_IS))
/* Switch into a generic section. */
#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
do { fprintf (FILE, "_%s", NAME); \
} while (0)
-#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
- do { \
- int len = strlen (NAME); \
- char *temp = (char *) alloca (len + 4); \
- temp[0] = 'L'; \
- temp[1] = '_'; \
- strcpy (&temp[2], (NAME)); \
- temp[len + 2] = '_'; \
- temp[len + 3] = 0; \
- (OUTPUT) = (char *) alloca (strlen (NAME) + 13); \
- sprintf (OUTPUT, "_%s$%d", temp, LABELNO); \
- } while (0)
-
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
do { char __buf[256]; \
fprintf (FILE, "\t.dd\t"); \
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
do { \
- data_section(); \
+ switch_to_section (data_section); \
if ((SIZE) >= (unsigned int) 4 ) ASM_OUTPUT_ALIGN(FILE,2); \
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
ASM_OUTPUT_LABEL (FILE, NAME); \
#define ASM_COMMENT_START "//"
-#define FUNCTION_PROFILER(FILE, LABELNO) \
- do {\
- fprintf (FILE, "\tP1.l =LP$%d; P1.h =LP$%d; call mcount;\n", \
- LABELNO, LABELNO);\
+#define FUNCTION_PROFILER(FILE, LABELNO) \
+ do { \
+ fprintf (FILE, "\tCALL __mcount;\n"); \
} while(0)
+#undef NO_PROFILE_COUNTERS
+#define NO_PROFILE_COUNTERS 1
+
#define ASM_OUTPUT_REG_PUSH(FILE, REGNO) fprintf (FILE, "[SP--] = %s;\n", reg_names[REGNO])
#define ASM_OUTPUT_REG_POP(FILE, REGNO) fprintf (FILE, "%s = [SP++];\n", reg_names[REGNO])
/* This works for GAS and some other assemblers. */
#define SET_ASM_OP ".set "
-/* Don't know how to order these. UNALIGNED_WORD_ASM_OP is in
- dwarf2.out. */
-#define UNALIGNED_WORD_ASM_OP ".4byte"
-
/* DBX register number for a given compiler register number */
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
#define SIZE_ASM_OP "\t.size\t"
+extern int splitting_for_sched;
+
+#define PRINT_OPERAND_PUNCT_VALID_P(CHAR) ((CHAR) == '!')
+
#endif /* _BFIN_CONFIG */