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riscv-gcc-1
Commit 7a1b98a9 by Richard Kenner
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(MASK_*): New macros. 

(OVERRIDE_OPTIONS): Use them.
(TARGET_SWITCHES): Likewise.
Treat -m68332 like -m68000.

From-SVN: r11563
parent 1d6eaf3d
Showing with 54 additions and 46 deletions
gcc/config/m68k/m68k.h
...@@ -50,37 +50,41 @@ extern int target_flags; ...@@ -50,37 +50,41 @@ extern int target_flags;
/* Macros used in the machine description to test the flags. */ /* Macros used in the machine description to test the flags. */
/* Compile for a 68020 (not a 68000 or 68010). */ /* Compile for a 68020 (not a 68000 or 68010). */
#define TARGET_68020 (target_flags & 1) #define MASK_68020 1
#define TARGET_68020 (target_flags & MASK_68020)
/* Compile 68881 insns for floating point (not library calls). */ /* Compile 68881 insns for floating point (not library calls). */
#define TARGET_68881 (target_flags & 2) #define MASK_68881 2
#define TARGET_68881 (target_flags & MASK_68881)
/* Compile using 68020 bitfield insns. */ /* Compile using 68020 bitfield insns. */
#define TARGET_BITFIELD (target_flags & 4) #define MASK_BITFIELD 4
#define TARGET_BITFIELD (target_flags & MASK_BITFIELD)
/* Compile using rtd insn calling sequence. /* Compile using rtd insn calling sequence.
This will not work unless you use prototypes at least This will not work unless you use prototypes at least
for all functions that can take varying numbers of args. */ for all functions that can take varying numbers of args. */
#define TARGET_RTD (target_flags & 8) #define MASK_RTD 8
#define TARGET_RTD (target_flags & MASK_RTD)
/* Compile passing first two args in regs 0 and 1. /* Compile passing first two args in regs 0 and 1.
This exists only to test compiler features that will This exists only to test compiler features that will
be needed for RISC chips. It is not usable be needed for RISC chips. It is not usable
and is not intended to be usable on this cpu. */ and is not intended to be usable on this cpu. */
#define TARGET_REGPARM (target_flags & 020) #define MASK_REGPARM 16
#define TARGET_REGPARM (target_flags & MASK_REGPARM)
/* Compile with 16-bit `int'. */ /* Compile with 16-bit `int'. */
#define TARGET_SHORT (target_flags & 040) #define MASK_SHORT 32
#define TARGET_SHORT (target_flags & MASK_SHORT)
/* Compile with special insns for Sun FPA. */ /* Compile with special insns for Sun FPA. */
#ifdef SUPPORT_SUN_FPA #define MASK_FPA 64
#define TARGET_FPA (target_flags & 0100) #define TARGET_FPA (target_flags & MASK_FPA)
#else
#define TARGET_FPA 0
#endif
/* Compile (actually, link) for Sun SKY board. */ /* Compile (actually, link) for Sun SKY board. */
#define TARGET_SKY (target_flags & 0200) #define MASK_SKY 128
#define TARGET_SKY (target_flags & MASK_SKY)
/* Optimize for 68040, but still allow execution on 68020 /* Optimize for 68040, but still allow execution on 68020
(-m68020-40 or -m68040). (-m68020-40 or -m68040).
...@@ -88,10 +92,12 @@ extern int target_flags; ...@@ -88,10 +92,12 @@ extern int target_flags;
of them must be emulated in software by the OS. When TARGET_68040 is of them must be emulated in software by the OS. When TARGET_68040 is
turned on, these instructions won't be used. This code will still turned on, these instructions won't be used. This code will still
run on a 68030 and 68881/2. */ run on a 68030 and 68881/2. */
#define TARGET_68040 (target_flags & 01400) #define MASK_68040 (256|512)
#define TARGET_68040 (target_flags & MASK_68040)
/* Use the 68040-only fp instructions (-m68040 or -m68060). */ /* Use the 68040-only fp instructions (-m68040 or -m68060). */
#define TARGET_68040_ONLY (target_flags & 01000) #define MASK_68040_ONLY 512
#define TARGET_68040_ONLY (target_flags & MASK_68040_ONLY)
/* Optimize for 68060, but still allow execution on 68020 /* Optimize for 68060, but still allow execution on 68020
(-m68060). (-m68060).
...@@ -99,7 +105,8 @@ extern int target_flags; ...@@ -99,7 +105,8 @@ extern int target_flags;
of them must be emulated in software by the OS. When TARGET_68060 is of them must be emulated in software by the OS. When TARGET_68060 is
turned on, these instructions won't be used. This code will still turned on, these instructions won't be used. This code will still
run on a 68030 and 68881/2. */ run on a 68030 and 68881/2. */
#define TARGET_68060 (target_flags & 02000) #define MASK_68060 1024
#define TARGET_68060 (target_flags & MASK_68060)
/* Macro to define tables used to set the flags. /* Macro to define tables used to set the flags.
This is a list in braces of pairs in braces, This is a list in braces of pairs in braces,
...@@ -108,36 +115,37 @@ extern int target_flags; ...@@ -108,36 +115,37 @@ extern int target_flags;
An empty string NAME is used to identify the default VALUE. */ An empty string NAME is used to identify the default VALUE. */
#define TARGET_SWITCHES \ #define TARGET_SWITCHES \
{ { "68020", -03400}, \ { { "68020", - (MASK_68060|MASK_68040)}, \
{ "c68020", -03400}, \ { "c68020", - (MASK_68060|MASK_68040)}, \
{ "68020", 5}, \ { "68020", (MASK_68020|MASK_BITFIELD)}, \
{ "c68020", 5}, \ { "c68020", (MASK_68020|MASK_BITFIELD)}, \
{ "68881", 2}, \ { "68881", MASK_68881}, \
{ "bitfield", 4}, \ { "bitfield", MASK_BITFIELD}, \
{ "68000", -03405}, \ { "68000", - (MASK_68060|MASK_68040|MASK_68020|MASK_BITFIELD)}, \
{ "c68000", -03405}, \ { "c68000", - (MASK_68020|MASK_68040|MASK_68020|MASK_BITFIELD)}, \
{ "soft-float", -03102}, \ { "soft-float", - (MASK_68060|MASK_68040_ONLY|MASK_68881)}, \
{ "nobitfield", -4}, \ { "nobitfield", - MASK_BITFIELD}, \
{ "rtd", 8}, \ { "rtd", MASK_RTD}, \
{ "nortd", -8}, \ { "nortd", - MASK_RTD}, \
{ "short", 040}, \ { "short", MASK_SHORT}, \
{ "noshort", -040}, \ { "noshort", - MASK_SHORT}, \
{ "fpa", 0100}, \ { "fpa", MASK_FPA}, \
{ "nofpa", -0100}, \ { "nofpa", - MASK_FPA}, \
{ "sky", 0200}, \ { "sky", MASK_SKY}, \
{ "nosky", -0200}, \ { "nosky", - MASK_SKY}, \
{ "68020-40", 0407}, \ { "68020-40", (MASK_BITFIELD|MASK_68881|MASK_68020)}, \
{ "68030", -03400}, \ { "68030", - (MASK_68040|MASK_68060)}, \
{ "68030", 5}, \ { "68030", (MASK_68020|MASK_BITFIELD)}, \
{ "68040", 01007}, \ { "68040", (MASK_68020|MASK_68881|MASK_BITFIELD|MASK_68040_ONLY)}, \
{ "68060", 03007}, \ { "68060", (MASK_68020|MASK_68881|MASK_BITFIELD \
{ "68851", 0}, /* Affects *_SPEC and/or GAS. */ \ |MASK_68040_ONLY|MASK_68060)}, \
{ "no-68851", 0}, /* Affects *_SPEC and/or GAS. */ \ { "68851", 0}, \
{ "68302", 0}, /* Affects *_SPEC and/or GAS. */ \ { "no-68851", 0}, \
{ "no-68302", 0}, /* Affects *_SPEC and/or GAS. */ \ { "68302", 0}, \
{ "68332", 0}, /* Affects *_SPEC and/or GAS. */ \ { "no-68302", 0}, \
{ "no-68332", 0}, /* Affects *_SPEC and/or GAS. */ \ { "68332", - (MASK_68060|MASK_68040|MASK_68020|MASK_BITFIELD)}, \
SUBTARGET_SWITCHES \ { "no-68332", 0}, \
SUBTARGET_SWITCHES \
{ "", TARGET_DEFAULT}} { "", TARGET_DEFAULT}}
/* TARGET_DEFAULT is defined in sun*.h and isi.h, etc. */ /* TARGET_DEFAULT is defined in sun*.h and isi.h, etc. */
...@@ -149,7 +157,7 @@ extern int target_flags; ...@@ -149,7 +157,7 @@ extern int target_flags;
any bits in TARGET_SWITCHES above) */ any bits in TARGET_SWITCHES above) */
#define OVERRIDE_OPTIONS \ #define OVERRIDE_OPTIONS \
{ \ { \
if (TARGET_FPA) target_flags &= ~2; \ if (TARGET_FPA) target_flags &= ~ MASK_68881; \
if (! TARGET_68020 && flag_pic == 2) \ if (! TARGET_68020 && flag_pic == 2) \
error("-fPIC is not currently supported on the 68000 or 68010\n"); \ error("-fPIC is not currently supported on the 68000 or 68010\n"); \
SUBTARGET_OVERRIDE_OPTIONS; \ SUBTARGET_OVERRIDE_OPTIONS; \
......
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