From 65d9c0ab20ab897d1d850444b6306409c756bcff Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Fri, 9 Mar 2001 19:45:59 +0100 Subject: i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64 (BOOL_TYPE_SIZE... * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE, FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE, DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants. (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY, STACK_BOUNDARY): Set properly for 64bits. (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants. (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD. (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits. (MOVE_MAX): Set to 16. (MOVE_MAX_PIECES): 8 for 64bit. (Pmode): Set to SImode. From-SVN: r40347 --- gcc/ChangeLog | 15 +++++++++++++++ gcc/config/i386/i386.h | 38 +++++++++++++++++++++++++++++--------- 2 files changed, 44 insertions(+), 9 deletions(-) (limited to 'gcc') diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c5463b..87be137 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,18 @@ +Fri Mar 9 19:37:46 CET 2001 Jan Hubicka + + * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64 + (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE, + FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE, + DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants. + (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY, + STACK_BOUNDARY): Set properly for 64bits. + (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants. + (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD. + (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits. + (MOVE_MAX): Set to 16. + (MOVE_MAX_PIECES): 8 for 64bit. + (Pmode): Set to SImode. + Fri Mar 9 09:00:36 2001 Mike Stump * cselib.c (hash_rtx): Ensure that hash isn't zero upon return. diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 9da78c7..92c7518 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -511,11 +511,24 @@ extern int ix86_arch; */ #define LONG_DOUBLE_TYPE_SIZE (TARGET_128BIT_LONG_DOUBLE ? 128 : 96) #define MAX_LONG_DOUBLE_TYPE_SIZE 128 +#ifdef __x86_64__ +#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 +#else +#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 96 +#endif /* Tell real.c that this is the 80-bit Intel extended float format packaged in a 128-bit or 96bit entity. */ #define INTEL_EXTENDED_IEEE_FORMAT +#define SHORT_TYPE_SIZE 16 +#define INT_TYPE_SIZE 32 +#define FLOAT_TYPE_SIZE 32 +#define LONG_TYPE_SIZE BITS_PER_WORD +#define MAX_LONG_TYPE_SIZE 64 +#define DOUBLE_TYPE_SIZE 64 +#define LONG_LONG_TYPE_SIZE 64 + /* Define if you don't want extended real, but do want to use the software floating point emulator for REAL_ARITHMETIC and decimal <-> binary conversion. */ @@ -542,20 +555,22 @@ extern int ix86_arch; Note that this is not necessarily the width of data type `int'; if using 16-bit ints on a 80386, 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_64BIT ? 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_64BIT ? 8 : 4) +#define MIN_UNITS_PER_WORD 4 /* Width in bits of a pointer. See also the macro `Pmode' defined below. */ -#define POINTER_SIZE 32 +#define POINTER_SIZE BITS_PER_WORD /* Allocation boundary (in *bits*) for storing arguments in argument list. */ -#define PARM_BOUNDARY 32 +#define PARM_BOUNDARY BITS_PER_WORD /* Boundary (in *bits*) on which stack pointer should be aligned. */ -#define STACK_BOUNDARY 32 +#define STACK_BOUNDARY BITS_PER_WORD /* Boundary (in *bits*) on which the stack pointer preferrs to be aligned; the compiler cannot rely on having this alignment. */ @@ -567,7 +582,7 @@ extern int ix86_arch; /* Alignment of field after `int : 0' in a structure. */ -#define EMPTY_FIELD_BOUNDARY 32 +#define EMPTY_FIELD_BOUNDARY BITS_PER_WORD /* Minimum size in bits of the largest boundary to which any and all fundamental data types supported by the hardware @@ -590,7 +605,7 @@ extern int ix86_arch; /* BIGGEST_FIELD_ALIGNMENT is also used in libobjc, where it must be constant. Use the smaller value in that context. */ #ifndef IN_TARGET_LIBS -#define BIGGEST_FIELD_ALIGNMENT (TARGET_ALIGN_DOUBLE ? 64 : 32) +#define BIGGEST_FIELD_ALIGNMENT (TARGET_64BIT ? 128 : (TARGET_ALIGN_DOUBLE ? 64 : 32)) #else #define BIGGEST_FIELD_ALIGNMENT 32 #endif @@ -2127,7 +2142,12 @@ while (0) /* Max number of bytes we can move from memory to memory in one reasonably fast instruction. */ -#define MOVE_MAX 4 +#define MOVE_MAX 16 + +/* MOVE_MAX_PIECES is the number of bytes at a time which we can + move efficiently, as opposed to MOVE_MAX which is the maximum + number of bytes we can move with a single instruction. */ +#define MOVE_MAX_PIECES (TARGET_64BIT ? 8 : 4) /* If a memory-to-memory move would take MOVE_RATIO or more simple move-instruction pairs, we will do a movstr or libcall instead. @@ -2175,7 +2195,7 @@ while (0) /* Specify the machine mode that pointers have. After generation of rtl, the compiler makes no further distinction between pointers and any other objects of this machine mode. */ -#define Pmode SImode +#define Pmode (TARGET_64BIT ? DImode : SImode) /* A function address in a call instruction is a byte address (for indexing purposes) -- cgit v1.1