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(MASK_*): New macros.
(OVERRIDE_OPTIONS): Use them. (TARGET_SWITCHES): Likewise. Treat -m68332 like -m68000. From-SVN: r11563
This commit is contained in:
Richard Kenner
parent
1d6eaf3dea
commit
7a1b98a901
@ -50,37 +50,41 @@ extern int target_flags;
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/* Macros used in the machine description to test the flags. */
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/* Compile for a 68020 (not a 68000 or 68010). */
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#define TARGET_68020 (target_flags & 1)
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#define MASK_68020 1
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#define TARGET_68020 (target_flags & MASK_68020)
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/* Compile 68881 insns for floating point (not library calls). */
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#define TARGET_68881 (target_flags & 2)
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#define MASK_68881 2
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#define TARGET_68881 (target_flags & MASK_68881)
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/* Compile using 68020 bitfield insns. */
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#define TARGET_BITFIELD (target_flags & 4)
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#define MASK_BITFIELD 4
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#define TARGET_BITFIELD (target_flags & MASK_BITFIELD)
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/* Compile using rtd insn calling sequence.
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This will not work unless you use prototypes at least
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for all functions that can take varying numbers of args. */
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#define TARGET_RTD (target_flags & 8)
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#define MASK_RTD 8
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#define TARGET_RTD (target_flags & MASK_RTD)
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/* Compile passing first two args in regs 0 and 1.
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This exists only to test compiler features that will
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be needed for RISC chips. It is not usable
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and is not intended to be usable on this cpu. */
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#define TARGET_REGPARM (target_flags & 020)
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#define MASK_REGPARM 16
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#define TARGET_REGPARM (target_flags & MASK_REGPARM)
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/* Compile with 16-bit `int'. */
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#define TARGET_SHORT (target_flags & 040)
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#define MASK_SHORT 32
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#define TARGET_SHORT (target_flags & MASK_SHORT)
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/* Compile with special insns for Sun FPA. */
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#ifdef SUPPORT_SUN_FPA
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#define TARGET_FPA (target_flags & 0100)
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#else
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#define TARGET_FPA 0
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#endif
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#define MASK_FPA 64
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#define TARGET_FPA (target_flags & MASK_FPA)
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/* Compile (actually, link) for Sun SKY board. */
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#define TARGET_SKY (target_flags & 0200)
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#define MASK_SKY 128
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#define TARGET_SKY (target_flags & MASK_SKY)
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/* Optimize for 68040, but still allow execution on 68020
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(-m68020-40 or -m68040).
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@ -88,10 +92,12 @@ extern int target_flags;
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of them must be emulated in software by the OS. When TARGET_68040 is
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turned on, these instructions won't be used. This code will still
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run on a 68030 and 68881/2. */
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#define TARGET_68040 (target_flags & 01400)
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#define MASK_68040 (256|512)
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#define TARGET_68040 (target_flags & MASK_68040)
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/* Use the 68040-only fp instructions (-m68040 or -m68060). */
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#define TARGET_68040_ONLY (target_flags & 01000)
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#define MASK_68040_ONLY 512
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#define TARGET_68040_ONLY (target_flags & MASK_68040_ONLY)
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/* Optimize for 68060, but still allow execution on 68020
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(-m68060).
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@ -99,7 +105,8 @@ extern int target_flags;
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of them must be emulated in software by the OS. When TARGET_68060 is
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turned on, these instructions won't be used. This code will still
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run on a 68030 and 68881/2. */
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#define TARGET_68060 (target_flags & 02000)
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#define MASK_68060 1024
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#define TARGET_68060 (target_flags & MASK_68060)
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/* Macro to define tables used to set the flags.
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This is a list in braces of pairs in braces,
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@ -108,36 +115,37 @@ extern int target_flags;
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An empty string NAME is used to identify the default VALUE. */
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#define TARGET_SWITCHES \
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{ { "68020", -03400}, \
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{ "c68020", -03400}, \
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{ "68020", 5}, \
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{ "c68020", 5}, \
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{ "68881", 2}, \
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{ "bitfield", 4}, \
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{ "68000", -03405}, \
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{ "c68000", -03405}, \
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{ "soft-float", -03102}, \
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{ "nobitfield", -4}, \
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{ "rtd", 8}, \
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{ "nortd", -8}, \
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{ "short", 040}, \
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{ "noshort", -040}, \
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{ "fpa", 0100}, \
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{ "nofpa", -0100}, \
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{ "sky", 0200}, \
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{ "nosky", -0200}, \
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{ "68020-40", 0407}, \
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{ "68030", -03400}, \
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{ "68030", 5}, \
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{ "68040", 01007}, \
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{ "68060", 03007}, \
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{ "68851", 0}, /* Affects *_SPEC and/or GAS. */ \
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{ "no-68851", 0}, /* Affects *_SPEC and/or GAS. */ \
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{ "68302", 0}, /* Affects *_SPEC and/or GAS. */ \
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{ "no-68302", 0}, /* Affects *_SPEC and/or GAS. */ \
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{ "68332", 0}, /* Affects *_SPEC and/or GAS. */ \
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{ "no-68332", 0}, /* Affects *_SPEC and/or GAS. */ \
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SUBTARGET_SWITCHES \
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{ { "68020", - (MASK_68060|MASK_68040)}, \
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{ "c68020", - (MASK_68060|MASK_68040)}, \
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{ "68020", (MASK_68020|MASK_BITFIELD)}, \
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{ "c68020", (MASK_68020|MASK_BITFIELD)}, \
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{ "68881", MASK_68881}, \
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{ "bitfield", MASK_BITFIELD}, \
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{ "68000", - (MASK_68060|MASK_68040|MASK_68020|MASK_BITFIELD)}, \
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{ "c68000", - (MASK_68020|MASK_68040|MASK_68020|MASK_BITFIELD)}, \
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{ "soft-float", - (MASK_68060|MASK_68040_ONLY|MASK_68881)}, \
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{ "nobitfield", - MASK_BITFIELD}, \
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{ "rtd", MASK_RTD}, \
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{ "nortd", - MASK_RTD}, \
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{ "short", MASK_SHORT}, \
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{ "noshort", - MASK_SHORT}, \
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{ "fpa", MASK_FPA}, \
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{ "nofpa", - MASK_FPA}, \
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{ "sky", MASK_SKY}, \
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{ "nosky", - MASK_SKY}, \
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{ "68020-40", (MASK_BITFIELD|MASK_68881|MASK_68020)}, \
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{ "68030", - (MASK_68040|MASK_68060)}, \
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{ "68030", (MASK_68020|MASK_BITFIELD)}, \
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{ "68040", (MASK_68020|MASK_68881|MASK_BITFIELD|MASK_68040_ONLY)}, \
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{ "68060", (MASK_68020|MASK_68881|MASK_BITFIELD \
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|MASK_68040_ONLY|MASK_68060)}, \
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{ "68851", 0}, \
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{ "no-68851", 0}, \
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{ "68302", 0}, \
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{ "no-68302", 0}, \
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{ "68332", - (MASK_68060|MASK_68040|MASK_68020|MASK_BITFIELD)}, \
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{ "no-68332", 0}, \
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SUBTARGET_SWITCHES \
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{ "", TARGET_DEFAULT}}
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/* TARGET_DEFAULT is defined in sun*.h and isi.h, etc. */
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@ -149,7 +157,7 @@ extern int target_flags;
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any bits in TARGET_SWITCHES above) */
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#define OVERRIDE_OPTIONS \
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{ \
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if (TARGET_FPA) target_flags &= ~2; \
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if (TARGET_FPA) target_flags &= ~ MASK_68881; \
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if (! TARGET_68020 && flag_pic == 2) \
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error("-fPIC is not currently supported on the 68000 or 68010\n"); \
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SUBTARGET_OVERRIDE_OPTIONS; \
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