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sparc.h (SPARC_SIMM{10,11,13}_P): Define.

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* sparc/sparc.h (SPARC_SIMM{10,11,13}_P): Define.
	(SMALL_INT): Use SPARC_SIMM13_P.
	(CONST_OK_FOR_LETTER_P): Support new letters L,M.

From-SVN: r11600
This commit is contained in:
Doug Evans 1996-03-23 20:54:21 +00:00
parent 4b27ecd5ae
commit 18c5947fd3
1 changed files with 13 additions and 5 deletions
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18
gcc/config/sparc/sparc.h
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@ -1141,17 +1141,25 @@ extern char leaf_reg_remap[];
C is the letter, and VALUE is a constant value.
Return 1 if VALUE is in the range specified by C.
For SPARC, `I' is used for the range of constants an insn
can actually contain.
`I' is used for the range of constants an insn can actually contain.
`J' is used for the range which is just zero (since that is R0).
`K' is used for constants which can be loaded with a single sethi insn. */
`K' is used for constants which can be loaded with a single sethi insn.
`L' is used for the range of constants supported by the movcc insns.
`M' is used for the range of constants supported by the movrcc insns. */
#define SMALL_INT(X) ((unsigned) (INTVAL (X) + 0x1000) < 0x2000)
#define SPARC_SIMM10_P(X) ((unsigned HOST_WIDE_INT) ((X) + 0x200) < 0x400)
#define SPARC_SIMM11_P(X) ((unsigned HOST_WIDE_INT) ((X) + 0x400) < 0x800)
#define SPARC_SIMM13_P(X) ((unsigned HOST_WIDE_INT) ((X) + 0x1000) < 0x2000)
/* 10 and 11 bit immediates are only used for a few specific insns.
SMALL_INT is used throughout the port so we continue to use it. */
#define SMALL_INT(X) (SPARC_SIMM13_P (INTVAL (X)))
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'I' ? (unsigned) ((VALUE) + 0x1000) < 0x2000 \
((C) == 'I' ? SPARC_SIMM13_P (VALUE) \
: (C) == 'J' ? (VALUE) == 0 \
: (C) == 'K' ? ((VALUE) & 0x3ff) == 0 \
: (C) == 'L' ? SPARC_SIMM11_P (VALUE) \
: (C) == 'M' ? SPARC_SIMM10_P (VALUE) \
: 0)
/* Similar, but for floating constants, and defining letters G and H.