/* Definitions of target machine for GNU compiler, for the HP Spectrum.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com) of Cygnus Support
and Tim Moore (moore@defmacro.cs.utah.edu) of the Center for
Software Science at the University of Utah.
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD (TARGET_64BIT ? 8 : 4)
+
+/* Minimum number of units in a word. If this is undefined, the default
+ is UNITS_PER_WORD. Otherwise, it is the constant value that is the
+ smallest value that UNITS_PER_WORD can have at run-time.
+
+ FIXME: This needs to be 4 when TARGET_64BIT is true to suppress the
+ building of various TImode routines in libgcc. The HP runtime
+ specification doesn't provide the alignment requirements and calling
+ conventions for TImode variables. */
#define MIN_UNITS_PER_WORD 4
/* Allocation boundary (in *bits*) for storing arguments in argument list. */
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
function_arg (&CUM, MODE, TYPE, NAMED)
-/* For an arg passed partly in registers and partly in memory,
- this is the number of registers used.
- For args passed entirely in registers or entirely in memory, zero. */
-
-/* For PA32 there are never split arguments. PA64, on the other hand, can
- pass arguments partially in registers and partially in memory. */
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
- (TARGET_64BIT ? function_arg_partial_nregs (&CUM, MODE, TYPE, NAMED) : 0)
-
/* If defined, a C expression that gives the alignment boundary, in
bits, of an argument with the specified mode and type. If it is
not defined, `PARM_BOUNDARY' is used for all arguments. */
|| cint_ok_for_move (INTVAL (X)))) \
&& !function_label_operand (X, VOIDmode))
+/* Target flags set on a symbol_ref. */
+
+/* Set by ASM_OUTPUT_SYMBOL_REF when a symbol_ref is output. */
+#define SYMBOL_FLAG_REFERENCED (1 << SYMBOL_FLAG_MACH_DEP_SHIFT)
+#define SYMBOL_REF_REFERENCED_P(RTX) \
+ ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_REFERENCED) != 0)
+
/* Subroutines for EXTRA_CONSTRAINT.
Return 1 iff OP is a pseudo which did not get a hard register and
`T' is for floating-point loads and stores.
- `U' is the constant 63. */
+ `U' is the constant 63.
+
+ `W' is a register indirect memory operand. We could allow short
+ displacements but GO_IF_LEGITIMATE_ADDRESS can't tell when a
+ long displacement is valid. This is only used for prefetch
+ instructions with the `sl' completer. */
#define EXTRA_CONSTRAINT(OP, C) \
((C) == 'Q' ? \
&& !symbolic_memory_operand (OP, VOIDmode) \
&& !IS_LO_SUM_DLT_ADDR_P (XEXP (OP, 0)) \
&& !IS_INDEX_ADDR_P (XEXP (OP, 0)))) \
+ : ((C) == 'W' ? \
+ (GET_CODE (OP) == MEM \
+ && REG_P (XEXP (OP, 0)) \
+ && REG_OK_FOR_BASE_P (XEXP (OP, 0))) \
: ((C) == 'A' ? \
(GET_CODE (OP) == MEM \
&& IS_LO_SUM_DLT_ADDR_P (XEXP (OP, 0))) \
: ((C) == 'S' ? \
(GET_CODE (OP) == CONST_INT && INTVAL (OP) == 31) \
: ((C) == 'U' ? \
- (GET_CODE (OP) == CONST_INT && INTVAL (OP) == 63) : 0))))))
+ (GET_CODE (OP) == CONST_INT && INTVAL (OP) == 63) : 0)))))))
/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
&& (TARGET_NO_SPACE_REGS \
? (base && REG_P (index)) \
: (base == XEXP (X, 1) && REG_P (index) \
- && REG_POINTER (base) && !REG_POINTER (index))) \
+ && (reload_completed \
+ || (reload_in_progress && HARD_REGISTER_P (base)) \
+ || REG_POINTER (base)) \
+ && (reload_completed \
+ || (reload_in_progress && HARD_REGISTER_P (index)) \
+ || !REG_POINTER (index)))) \
&& MODE_OK_FOR_UNSCALED_INDEXING_P (MODE) \
&& REG_OK_FOR_INDEX_P (index) \
&& borx_reg_operand (base, Pmode) \
fputs (xname, FILE); \
} while (0)
+/* This how we output the symbol_ref X. */
+
+#define ASM_OUTPUT_SYMBOL_REF(FILE,X) \
+ do { \
+ SYMBOL_REF_FLAGS (X) |= SYMBOL_FLAG_REFERENCED; \
+ assemble_name (FILE, XSTR (X, 0)); \
+ } while (0)
+
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
CONST_DOUBLE}}, \
{"move_dest_operand", {SUBREG, REG, MEM}}, \
{"move_src_operand", {SUBREG, REG, CONST_INT, MEM}}, \
- {"prefetch_operand", {MEM}}, \
+ {"prefetch_cc_operand", {MEM}}, \
+ {"prefetch_nocc_operand", {MEM}}, \
{"reg_or_cint_move_operand", {SUBREG, REG, CONST_INT}}, \
{"pic_label_operand", {LABEL_REF, CONST}}, \
{"fp_reg_operand", {REG}}, \
OSDN Git Service
