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authorRichard Kenner <kenner@gcc.gnu.org>1994-11-30 18:51:07 -0500
committerRichard Kenner <kenner@gcc.gnu.org>1994-11-30 18:51:07 -0500
commit2e360ab3f729cd08a51e626558b76802492d23db (patch)
tree6ee75a23835b6a9e97c4b6edcbf2fc334064560b /gcc
parent414d3ee46f170886e41e083912df38e21b9440d2 (diff)
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(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.h16
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