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author | Richard Kenner <kenner@gcc.gnu.org> | 1994-11-30 18:51:07 -0500 |
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committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-11-30 18:51:07 -0500 |
commit | 2e360ab3f729cd08a51e626558b76802492d23db (patch) | |
tree | 6ee75a23835b6a9e97c4b6edcbf2fc334064560b /gcc | |
parent | 414d3ee46f170886e41e083912df38e21b9440d2 (diff) | |
download | gcc-2e360ab3f729cd08a51e626558b76802492d23db.zip gcc-2e360ab3f729cd08a51e626558b76802492d23db.tar.gz gcc-2e360ab3f729cd08a51e626558b76802492d23db.tar.bz2 |
(BITS_PER_WORD): TARGET_POWERPC64 dependent.
(MAX_BITS_PER_WORD): Define.
(UNITS_PER_WORD): TARGET_POWERPC64 dependent.
(MAX_UNITS_PER_WORD): Define.
(UNITS_PER_FP_WORD): Define.
(HARD_REGNO_NREGS): Use MAX_UNITS_PER_FP_WORD.
(HARD_REGNO_MODE_OK): Likewise.
(CLASS_MAX_NREGS): Likewise.
(MOVE_MAX): TARGET_POWER and TARGET_POWERPC64 dependent.
(MAX_MOVE_MAX): Define.
From-SVN: r8590
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/config/rs6000/rs6000.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 943891d..e2858f6 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -277,10 +277,13 @@ extern char *rs6000_cpu_string; Note that this is not necessarily the width of data type `int'; if using 16-bit ints on a 68000, this would still be 32. But on a machine with 16-bit registers, this would be 16. */ -#define BITS_PER_WORD 32 +#define BITS_PER_WORD (TARGET_POWERPC64 ? 64 : 32) +#define MAX_BITS_PER_WORD 64 /* Width of a word, in units (bytes). */ -#define UNITS_PER_WORD 4 +#define UNITS_PER_WORD (TARGET_POWERPC64 ? 8 : 4) +#define MAX_UNITS_PER_WORD 8 +#define UNITS_PER_FP_WORD 8 /* Type used for ptrdiff_t, as a string used in a declaration. */ #define PTRDIFF_TYPE "int" @@ -434,7 +437,7 @@ extern char *rs6000_cpu_string; #define HARD_REGNO_NREGS(REGNO, MODE) \ (FP_REGNO_P (REGNO) \ - ? ((GET_MODE_SIZE (MODE) + 2 * UNITS_PER_WORD - 1) / (2 * UNITS_PER_WORD)) \ + ? ((GET_MODE_SIZE (MODE) + UNITS_PER_FP_WORD - 1) / UNITS_PER_FP_WORD) \ : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)) /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. @@ -447,7 +450,7 @@ extern char *rs6000_cpu_string; (FP_REGNO_P (REGNO) ? \ (GET_MODE_CLASS (MODE) == MODE_FLOAT \ || (GET_MODE_CLASS (MODE) == MODE_INT \ - && GET_MODE_SIZE (MODE) == 2 * UNITS_PER_WORD)) \ + && GET_MODE_SIZE (MODE) == UNITS_PER_FP_WORD)) \ : CR_REGNO_P (REGNO) ? GET_MODE_CLASS (MODE) == MODE_CC \ : ! INT_REGNO_P (REGNO) ? (GET_MODE_CLASS (MODE) == MODE_INT \ && GET_MODE_SIZE (MODE) <= UNITS_PER_WORD) \ @@ -718,7 +721,7 @@ enum reg_class { NO_REGS, BASE_REGS, GENERAL_REGS, FLOAT_REGS, except in the FP regs, where a single reg is enough for two words. */ #define CLASS_MAX_NREGS(CLASS, MODE) \ ((CLASS) == FLOAT_REGS \ - ? ((GET_MODE_SIZE (MODE) + 2 * UNITS_PER_WORD - 1) / (2 * UNITS_PER_WORD)) \ + ? ((GET_MODE_SIZE (MODE) + UNITS_PER_FP_WORD - 1) / UNITS_PER_FP_WORD) \ : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)) /* If defined, gives a class of registers that cannot be used as the @@ -1364,7 +1367,8 @@ struct rs6000_args {int words, fregno, nargs_prototype; }; /* Max number of bytes we can move from memory to memory in one reasonably fast instruction. */ -#define MOVE_MAX 16 +#define MOVE_MAX (TARGET_POWER ? 16 : (TARGET_POWERPC64 ? 8 : 4)) +#define MAX_MOVE_MAX 16 /* Nonzero if access to memory by bytes is no faster than for words. Also non-zero if doing byte operations (specifically shifts) in registers |