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h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): Add support for H8/300, H8/S aa:8 mode.

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* config/h8300/h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): Add support
	for H8/300, H8/S aa:8 mode.
	(TINY_CONSTANT_ADDRESS_P): Add support for H8/S aa:16 mode.
	* config/h8300/h8300.c (h8300_adjust_insn_length): Adjust length
	for H8/300 aa:8 mode.

From-SVN: r57108
This commit is contained in:
Dhananjay R. Deshpande 2002-09-13 15:42:47 +00:00 committed by Kazu Hirata
parent 69aeba4ed0
commit d56c04ce52
3 changed files with 34 additions and 10 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2002-09-13 Dhananjay Deshpande <dhananjayd@kpit.com>
* config/h8300/h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): Add support
for H8/300, H8/S aa:8 mode.
(TINY_CONSTANT_ADDRESS_P): Add support for H8/S aa:16 mode.
* config/h8300/h8300.c (h8300_adjust_insn_length): Adjust length
for H8/300 aa:8 mode.
2002-09-13 Hartmut Penner <hpenner@de.ibm.com>
* config/s390/s390.md ("trap", "conditional_trap", "*trap"): New

6
gcc/config/h8300/h8300.c
View File

@ -3719,6 +3719,12 @@ h8300_adjust_insn_length (insn, length)
/* @Rs is 2 bytes shorter than the longest. */
if (GET_CODE (addr) == REG)
return -2;
/* @aa:8 is 2 bytes shorter than the longest. */
if (GET_MODE (SET_SRC (pat)) == QImode
&& ((GET_CODE (addr) == SYMBOL_REF && SYMBOL_REF_FLAG (addr))
|| EIGHTBIT_CONSTANT_ADDRESS_P (addr)))
return -2;
}
else
{

30
gcc/config/h8300/h8300.h
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@ -822,20 +822,30 @@ struct cum_arg
? !h8300_shift_needs_scratch_p (INTVAL (OP), SImode) \
: 0)
/* Nonzero if X is a constant address suitable as an 8-bit absolute on
the H8/300H, which is a special case of the 'R' operand. */
/* Nonzero if X is a constant address suitable as an 8-bit absolute,
which is a special case of the 'R' operand. */
#define EIGHTBIT_CONSTANT_ADDRESS_P(X) \
(GET_CODE (X) == CONST_INT && TARGET_H8300H \
&& 0xffff00 <= INTVAL (X) && INTVAL (X) <= 0xffffff)
#define EIGHTBIT_CONSTANT_ADDRESS_P(X) \
((GET_CODE (X) == CONST_INT) \
&& ((TARGET_H8300H && 0xffff00 <= INTVAL (X) \
&& INTVAL (X) <= 0xffffff) \
|| (TARGET_H8300S && 0xffffff00 <= INTVAL (X) \
&& INTVAL (X) <= 0xffffffff) \
|| (TARGET_H8300 && 0xff00 <= (INTVAL (X) & 0x0000FFFF) \
&& (INTVAL (X) & 0x0000FFFF) <= 0xffff)))
/* Nonzero if X is a constant address suitable as an 16-bit absolute
on the H8/300H. */
on H8/300H and H8/S. */
#define TINY_CONSTANT_ADDRESS_P(X) \
(GET_CODE (X) == CONST_INT && TARGET_H8300H \
&& ((0xff8000 <= INTVAL (X) && INTVAL (X) <= 0xffffff) \
|| (0x000000 <= INTVAL (X) && INTVAL (X) <= 0x007fff)))
#define TINY_CONSTANT_ADDRESS_P(X) \
((GET_CODE (X) == CONST_INT) \
&& ((TARGET_H8300H \
&& ((0xff8000 <= INTVAL (X) && INTVAL (X) <= 0xffffff) \
|| (0x000000 <= INTVAL (X) && INTVAL (X) <= 0x007fff))) \
|| (TARGET_H8300S \
&& ((0xffff8000 <= INTVAL (X) && INTVAL (X) <= 0xffffffff) \
|| (0x00000000 <= INTVAL (X) \
&& INTVAL (X) <= 0x00007fff)))))
/* 'U' if valid for a bset destination;
i.e. a register, register indirect, or the eightbit memory region