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arm.h (HAVE_PRE_MODIFY_DISP, [...]): Define.

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* arm.h (HAVE_PRE_MODIFY_DISP, HAVE_PRE_MODIFY_REG): Define.
(HAVE_POST_MODIFY_DISP, HAVE_POST_MODIFY_REG): Define.
(ARM_GO_IF_LEGITIMATE_ADDRESS): Handle pre/post-modify addresses.
(ARM_PRINT_OPERAND_ADDRESS): Likewise.

From-SVN: r61332
This commit is contained in:
Richard Earnshaw 2003-01-15 15:51:11 +00:00 • committed by Richard Earnshaw
parent c161ecf7b1
commit 3cd4577449
2 changed files with 174 additions and 135 deletions
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7
gcc/ChangeLog
View file

@ -1,3 +1,10 @@
2003-01-15 Richard Earnshaw <rearnsha@arm.com>
* arm.h (HAVE_PRE_MODIFY_DISP, HAVE_PRE_MODIFY_REG): Define.
(HAVE_POST_MODIFY_DISP, HAVE_POST_MODIFY_REG): Define.
(ARM_GO_IF_LEGITIMATE_ADDRESS): Handle pre/post-modify addresses.
(ARM_PRINT_OPERAND_ADDRESS): Likewise.
Wed Jan 15 12:23:21 CET 2003 Jan Hubicka <jh@suse.cz>
PR f/9258

302
gcc/config/arm/arm.h
View file

@ -1760,10 +1760,14 @@ typedef struct
/* Addressing modes, and classification of registers for them. */
#define HAVE_POST_INCREMENT 1
#define HAVE_PRE_INCREMENT TARGET_ARM
#define HAVE_POST_DECREMENT TARGET_ARM
#define HAVE_PRE_DECREMENT TARGET_ARM
#define HAVE_POST_INCREMENT 1
#define HAVE_PRE_INCREMENT TARGET_ARM
#define HAVE_POST_DECREMENT TARGET_ARM
#define HAVE_PRE_DECREMENT TARGET_ARM
#define HAVE_PRE_MODIFY_DISP TARGET_ARM
#define HAVE_POST_MODIFY_DISP TARGET_ARM
#define HAVE_PRE_MODIFY_REG TARGET_ARM
#define HAVE_POST_MODIFY_REG TARGET_ARM
/* Macros to check register numbers against specific register classes. */
@ -2001,65 +2005,73 @@ typedef struct
floating SYMBOL_REF to the constant pool. Allow REG-only and
AUTINC-REG if handling TImode or HImode. Other symbol refs must be
forced though a static cell to ensure addressability. */
#define ARM_GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
{ \
if (ARM_BASE_REGISTER_RTX_P (X)) \
goto LABEL; \
else if ((GET_CODE (X) == POST_INC || GET_CODE (X) == PRE_DEC) \
&& GET_CODE (XEXP (X, 0)) == REG \
&& ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
goto LABEL; \
else if (GET_MODE_SIZE (MODE) >= 4 && reload_completed \
&& (GET_CODE (X) == LABEL_REF \
|| (GET_CODE (X) == CONST \
&& GET_CODE (XEXP ((X), 0)) == PLUS \
&& GET_CODE (XEXP (XEXP ((X), 0), 0)) == LABEL_REF \
&& GET_CODE (XEXP (XEXP ((X), 0), 1)) == CONST_INT)))\
goto LABEL; \
else if ((MODE) == TImode) \
; \
else if ((MODE) == DImode || (TARGET_SOFT_FLOAT && (MODE) == DFmode)) \
{ \
if (GET_CODE (X) == PLUS && ARM_BASE_REGISTER_RTX_P (XEXP (X, 0)) \
&& GET_CODE (XEXP (X, 1)) == CONST_INT) \
{ \
HOST_WIDE_INT val = INTVAL (XEXP (X, 1)); \
if (val == 4 || val == -4 || val == -8) \
goto LABEL; \
} \
} \
else if (GET_CODE (X) == PLUS) \
{ \
rtx xop0 = XEXP (X, 0); \
rtx xop1 = XEXP (X, 1); \
\
if (ARM_BASE_REGISTER_RTX_P (xop0)) \
ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop0), xop1, LABEL); \
else if (ARM_BASE_REGISTER_RTX_P (xop1)) \
ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop1), xop0, LABEL); \
} \
/* Reload currently can't handle MINUS, so disable this for now */ \
/* else if (GET_CODE (X) == MINUS) \
{ \
rtx xop0 = XEXP (X,0); \
rtx xop1 = XEXP (X,1); \
\
if (ARM_BASE_REGISTER_RTX_P (xop0)) \
ARM_GO_IF_LEGITIMATE_INDEX (MODE, -1, xop1, LABEL); \
} */ \
else if (GET_MODE_CLASS (MODE) != MODE_FLOAT \
&& GET_CODE (X) == SYMBOL_REF \
&& CONSTANT_POOL_ADDRESS_P (X) \
&& ! (flag_pic \
&& symbol_mentioned_p (get_pool_constant (X)))) \
goto LABEL; \
else if ((GET_CODE (X) == PRE_INC || GET_CODE (X) == POST_DEC) \
&& (GET_MODE_SIZE (MODE) <= 4) \
&& GET_CODE (XEXP (X, 0)) == REG \
&& ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
goto LABEL; \
#define ARM_GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
{ \
if (ARM_BASE_REGISTER_RTX_P (X)) \
goto LABEL; \
else if ((GET_CODE (X) == POST_INC || GET_CODE (X) == PRE_DEC) \
&& GET_CODE (XEXP (X, 0)) == REG \
&& ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
goto LABEL; \
else if ((GET_CODE (X) == POST_MODIFY || GET_CODE (X) == PRE_MODIFY) \
&& GET_MODE_SIZE (MODE) <= 4 \
&& GET_CODE (XEXP (X, 0)) == REG \
&& ARM_REG_OK_FOR_BASE_P (XEXP (X, 0)) \
&& GET_CODE (XEXP (X, 1)) == PLUS \
&& XEXP (XEXP (X, 1), 0) == XEXP (X, 0)) \
ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (XEXP (X, 0)), \
XEXP (XEXP (X, 1), 1), LABEL); \
else if (GET_MODE_SIZE (MODE) >= 4 && reload_completed \
&& (GET_CODE (X) == LABEL_REF \
|| (GET_CODE (X) == CONST \
&& GET_CODE (XEXP ((X), 0)) == PLUS \
&& GET_CODE (XEXP (XEXP ((X), 0), 0)) == LABEL_REF \
&& GET_CODE (XEXP (XEXP ((X), 0), 1)) == CONST_INT))) \
goto LABEL; \
else if ((MODE) == TImode) \
; \
else if ((MODE) == DImode || (TARGET_SOFT_FLOAT && (MODE) == DFmode)) \
{ \
if (GET_CODE (X) == PLUS && ARM_BASE_REGISTER_RTX_P (XEXP (X, 0)) \
&& GET_CODE (XEXP (X, 1)) == CONST_INT) \
{ \
HOST_WIDE_INT val = INTVAL (XEXP (X, 1)); \
if (val == 4 || val == -4 || val == -8) \
goto LABEL; \
} \
} \
else if (GET_CODE (X) == PLUS) \
{ \
rtx xop0 = XEXP (X, 0); \
rtx xop1 = XEXP (X, 1); \
\
if (ARM_BASE_REGISTER_RTX_P (xop0)) \
ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop0), xop1, LABEL); \
else if (ARM_BASE_REGISTER_RTX_P (xop1)) \
ARM_GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop1), xop0, LABEL); \
} \
/* Reload currently can't handle MINUS, so disable this for now */ \
/* else if (GET_CODE (X) == MINUS) \
{ \
rtx xop0 = XEXP (X,0); \
rtx xop1 = XEXP (X,1); \
\
if (ARM_BASE_REGISTER_RTX_P (xop0)) \
ARM_GO_IF_LEGITIMATE_INDEX (MODE, -1, xop1, LABEL); \
} */ \
else if (GET_MODE_CLASS (MODE) != MODE_FLOAT \
&& GET_CODE (X) == SYMBOL_REF \
&& CONSTANT_POOL_ADDRESS_P (X) \
&& ! (flag_pic \
&& symbol_mentioned_p (get_pool_constant (X)))) \
goto LABEL; \
else if ((GET_CODE (X) == PRE_INC || GET_CODE (X) == POST_DEC) \
&& (GET_MODE_SIZE (MODE) <= 4) \
&& GET_CODE (XEXP (X, 0)) == REG \
&& ARM_REG_OK_FOR_BASE_P (XEXP (X, 0))) \
goto LABEL; \
}
/* ---------------------thumb version----------------------------------*/
#define THUMB_LEGITIMATE_OFFSET(MODE, VAL) \
(GET_MODE_SIZE (MODE) == 1 ? ((unsigned HOST_WIDE_INT) (VAL) < 32) \
@ -2570,79 +2582,99 @@ extern int making_const_table;
: 0))))
/* Output the address of an operand. */
#define ARM_PRINT_OPERAND_ADDRESS(STREAM, X) \
{ \
int is_minus = GET_CODE (X) == MINUS; \
\
if (GET_CODE (X) == REG) \
asm_fprintf (STREAM, "[%r, #0]", REGNO (X)); \
else if (GET_CODE (X) == PLUS || is_minus) \
{ \
rtx base = XEXP (X, 0); \
rtx index = XEXP (X, 1); \
HOST_WIDE_INT offset = 0; \
if (GET_CODE (base) != REG) \
{ \
/* Ensure that BASE is a register */ \
/* (one of them must be). */ \
rtx temp = base; \
base = index; \
index = temp; \
} \
switch (GET_CODE (index)) \
{ \
case CONST_INT: \
offset = INTVAL (index); \
if (is_minus) \
offset = -offset; \
asm_fprintf (STREAM, "[%r, #%d]", \
REGNO (base), offset); \
break; \
\
case REG: \
asm_fprintf (STREAM, "[%r, %s%r]", \
REGNO (base), is_minus ? "-" : "", \
REGNO (index)); \
break; \
\
case MULT: \
case ASHIFTRT: \
case LSHIFTRT: \
case ASHIFT: \
case ROTATERT: \
{ \
asm_fprintf (STREAM, "[%r, %s%r", \
REGNO (base), is_minus ? "-" : "", \
REGNO (XEXP (index, 0))); \
arm_print_operand (STREAM, index, 'S'); \
fputs ("]", STREAM); \
break; \
} \
\
default: \
abort(); \
} \
} \
else if ( GET_CODE (X) == PRE_INC || GET_CODE (X) == POST_INC\
|| GET_CODE (X) == PRE_DEC || GET_CODE (X) == POST_DEC)\
{ \
extern int output_memory_reference_mode; \
\
if (GET_CODE (XEXP (X, 0)) != REG) \
abort (); \
\
if (GET_CODE (X) == PRE_DEC || GET_CODE (X) == PRE_INC) \
asm_fprintf (STREAM, "[%r, #%s%d]!", \
REGNO (XEXP (X, 0)), \
GET_CODE (X) == PRE_DEC ? "-" : "", \
GET_MODE_SIZE (output_memory_reference_mode));\
else \
asm_fprintf (STREAM, "[%r], #%s%d", \
REGNO (XEXP (X, 0)), \
GET_CODE (X) == POST_DEC ? "-" : "", \
GET_MODE_SIZE (output_memory_reference_mode));\
} \
else output_addr_const (STREAM, X); \
#define ARM_PRINT_OPERAND_ADDRESS(STREAM, X) \
{ \
int is_minus = GET_CODE (X) == MINUS; \
\
if (GET_CODE (X) == REG) \
asm_fprintf (STREAM, "[%r, #0]", REGNO (X)); \
else if (GET_CODE (X) == PLUS || is_minus) \
{ \
rtx base = XEXP (X, 0); \
rtx index = XEXP (X, 1); \
HOST_WIDE_INT offset = 0; \
if (GET_CODE (base) != REG) \
{ \
/* Ensure that BASE is a register */ \
/* (one of them must be). */ \
rtx temp = base; \
base = index; \
index = temp; \
} \
switch (GET_CODE (index)) \
{ \
case CONST_INT: \
offset = INTVAL (index); \
if (is_minus) \
offset = -offset; \
asm_fprintf (STREAM, "[%r, #%d]", \
REGNO (base), offset); \
break; \
\
case REG: \
asm_fprintf (STREAM, "[%r, %s%r]", \
REGNO (base), is_minus ? "-" : "", \
REGNO (index)); \
break; \
\
case MULT: \
case ASHIFTRT: \
case LSHIFTRT: \
case ASHIFT: \
case ROTATERT: \
{ \
asm_fprintf (STREAM, "[%r, %s%r", \
REGNO (base), is_minus ? "-" : "", \
REGNO (XEXP (index, 0))); \
arm_print_operand (STREAM, index, 'S'); \
fputs ("]", STREAM); \
break; \
} \
\
default: \
abort(); \
} \
} \
else if (GET_CODE (X) == PRE_INC || GET_CODE (X) == POST_INC \
|| GET_CODE (X) == PRE_DEC || GET_CODE (X) == POST_DEC) \
{ \
extern enum machine_mode output_memory_reference_mode; \
\
if (GET_CODE (XEXP (X, 0)) != REG) \
abort (); \
\
if (GET_CODE (X) == PRE_DEC || GET_CODE (X) == PRE_INC) \
asm_fprintf (STREAM, "[%r, #%s%d]!", \
REGNO (XEXP (X, 0)), \
GET_CODE (X) == PRE_DEC ? "-" : "", \
GET_MODE_SIZE (output_memory_reference_mode)); \
else \
asm_fprintf (STREAM, "[%r], #%s%d", \
REGNO (XEXP (X, 0)), \
GET_CODE (X) == POST_DEC ? "-" : "", \
GET_MODE_SIZE (output_memory_reference_mode)); \
} \
else if (GET_CODE (X) == PRE_MODIFY) \
{ \
asm_fprintf (STREAM, "[%r, ", REGNO (XEXP (X, 0))); \
if (GET_CODE (XEXP (XEXP (X, 1), 1)) == CONST_INT) \
asm_fprintf (STREAM, "#%d]!", \
INTVAL (XEXP (XEXP (X, 1), 1))); \
else \
asm_fprintf (STREAM, "%r]!", \
REGNO (XEXP (XEXP (X, 1), 1))); \
} \
else if (GET_CODE (X) == POST_MODIFY) \
{ \
asm_fprintf (STREAM, "[%r], ", REGNO (XEXP (X, 0))); \
if (GET_CODE (XEXP (XEXP (X, 1), 1)) == CONST_INT) \
asm_fprintf (STREAM, "#%d", \
INTVAL (XEXP (XEXP (X, 1), 1))); \
else \
asm_fprintf (STREAM, "%r", \
REGNO (XEXP (XEXP (X, 1), 1))); \
} \
else output_addr_const (STREAM, X); \
}
#define THUMB_PRINT_OPERAND_ADDRESS(STREAM, X) \