/* 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, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ 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.
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
-enum cmp_type /* comparison type */
-{
- CMP_SI, /* compare integers */
- CMP_SF, /* compare single precision floats */
- CMP_DF, /* compare double precision floats */
- CMP_MAX /* max comparison type */
-};
-
/* For long call handling. */
extern unsigned long total_code_bytes;
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
#endif
-/* This macro defines command-line switches that modify the default
- target name.
-
- The definition is be an initializer for an array of structures. Each
- array element has have three elements: the switch name, one of the
- enumeration codes ADD or DELETE to indicate whether the string should be
- inserted or deleted, and the string to be inserted or deleted. */
-#define MODIFY_TARGET_NAME {{"-32", DELETE, "64"}, {"-64", ADD, "64"}}
-
/* Make gcc agree with <machine/ansi.h> */
#define SIZE_TYPE "unsigned int"
#define BIGGEST_ALIGNMENT (2 * BITS_PER_WORD)
/* Get around hp-ux assembler bug, and make strcpy of constants fast. */
-#define CONSTANT_ALIGNMENT(CODE, TYPEALIGN) \
- ((TYPEALIGN) < 32 ? 32 : (TYPEALIGN))
+#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
+ (TREE_CODE (EXP) == STRING_CST \
+ && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
/* Make arrays of chars word-aligned for the same reasons. */
#define DATA_ALIGNMENT(TYPE, ALIGN) \
/* Base register for access to local variables of the function. */
#define FRAME_POINTER_REGNUM 3
-/* Value should be nonzero if functions must have frame pointers. */
-#define FRAME_POINTER_REQUIRED \
- (cfun->calls_alloca)
-
/* Don't allow hard registers to be renamed into r2 unless r2
is already live or already being saved (due to eh). */
? (STACK_POINTER_OFFSET) \
: ((STACK_POINTER_OFFSET) - crtl->outgoing_args_size))
-/* Value is 1 if returning from a function call automatically
- pops the arguments described by the number-of-args field in the call.
- FUNDECL is the declaration node of the function (as a tree),
- FUNTYPE is the data type of the function (as a tree),
- or for a library call it is an identifier node for the subroutine name. */
-
-#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0
-
-/* Define how to find the value returned by a function.
- VALTYPE is the data type of the value (as a tree).
- If the precise function being called is known, FUNC is its FUNCTION_DECL;
- otherwise, FUNC is 0. */
-
-#define FUNCTION_VALUE(VALTYPE, FUNC) function_value (VALTYPE, FUNC)
-
/* Define how to find the value returned by a library function
assuming the value has mode MODE. */
? PARM_BOUNDARY : MAX_PARM_BOUNDARY)
\f
-extern GTY(()) rtx hppa_compare_op0;
-extern GTY(()) rtx hppa_compare_op1;
-extern enum cmp_type hppa_branch_type;
-
/* On HPPA, we emit profiling code as rtl via PROFILE_HOOK rather than
as assembly via FUNCTION_PROFILER. Just output a local label.
We can't use the function label because the GAS SOM target can't
(get_frame_size () != 0 \
|| cfun->calls_alloca || crtl->outgoing_args_size)
-/* Output assembler code for a block containing the constant parts
- of a trampoline, leaving space for the variable parts.\
-
- The trampoline sets the static chain pointer to STATIC_CHAIN_REGNUM
- and then branches to the specified routine.
-
- This code template is copied from text segment to stack location
- and then patched with INITIALIZE_TRAMPOLINE to contain
- valid values, and then entered as a subroutine.
-
- It is best to keep this as small as possible to avoid having to
- flush multiple lines in the cache. */
-
-#define TRAMPOLINE_TEMPLATE(FILE) \
- { \
- if (!TARGET_64BIT) \
- { \
- fputs ("\tldw 36(%r22),%r21\n", FILE); \
- fputs ("\tbb,>=,n %r21,30,.+16\n", FILE); \
- if (ASSEMBLER_DIALECT == 0) \
- fputs ("\tdepi 0,31,2,%r21\n", FILE); \
- else \
- fputs ("\tdepwi 0,31,2,%r21\n", FILE); \
- fputs ("\tldw 4(%r21),%r19\n", FILE); \
- fputs ("\tldw 0(%r21),%r21\n", FILE); \
- if (TARGET_PA_20) \
- { \
- fputs ("\tbve (%r21)\n", FILE); \
- fputs ("\tldw 40(%r22),%r29\n", FILE); \
- fputs ("\t.word 0\n", FILE); \
- fputs ("\t.word 0\n", FILE); \
- } \
- else \
- { \
- fputs ("\tldsid (%r21),%r1\n", FILE); \
- fputs ("\tmtsp %r1,%sr0\n", FILE); \
- fputs ("\tbe 0(%sr0,%r21)\n", FILE); \
- fputs ("\tldw 40(%r22),%r29\n", FILE); \
- } \
- fputs ("\t.word 0\n", FILE); \
- fputs ("\t.word 0\n", FILE); \
- fputs ("\t.word 0\n", FILE); \
- fputs ("\t.word 0\n", FILE); \
- } \
- else \
- { \
- fputs ("\t.dword 0\n", FILE); \
- fputs ("\t.dword 0\n", FILE); \
- fputs ("\t.dword 0\n", FILE); \
- fputs ("\t.dword 0\n", FILE); \
- fputs ("\tmfia %r31\n", FILE); \
- fputs ("\tldd 24(%r31),%r1\n", FILE); \
- fputs ("\tldd 24(%r1),%r27\n", FILE); \
- fputs ("\tldd 16(%r1),%r1\n", FILE); \
- fputs ("\tbve (%r1)\n", FILE); \
- fputs ("\tldd 32(%r31),%r31\n", FILE); \
- fputs ("\t.dword 0 ; fptr\n", FILE); \
- fputs ("\t.dword 0 ; static link\n", FILE); \
- } \
- }
-
/* Length in units of the trampoline for entering a nested function. */
#define TRAMPOLINE_SIZE (TARGET_64BIT ? 72 : 52)
-/* Length in units of the trampoline instruction code. */
+/* Alignment required by the trampoline. */
-#define TRAMPOLINE_CODE_SIZE (TARGET_64BIT ? 24 : (TARGET_PA_20 ? 32 : 40))
+#define TRAMPOLINE_ALIGNMENT BITS_PER_WORD
/* Minimum length of a cache line. A length of 16 will work on all
PA-RISC processors. All PA 1.1 processors have a cache line of
#define MIN_CACHELINE_SIZE 32
-/* Emit RTL insns to initialize the variable parts of a trampoline.
- FNADDR is an RTX for the address of the function's pure code.
- CXT is an RTX for the static chain value for the function.
-
- Move the function address to the trampoline template at offset 36.
- Move the static chain value to trampoline template at offset 40.
- Move the trampoline address to trampoline template at offset 44.
- Move r19 to trampoline template at offset 48. The latter two
- words create a plabel for the indirect call to the trampoline.
-
- A similar sequence is used for the 64-bit port but the plabel is
- at the beginning of the trampoline.
-
- Finally, the cache entries for the trampoline code are flushed.
- This is necessary to ensure that the trampoline instruction sequence
- is written to memory prior to any attempts at prefetching the code
- sequence. */
-
-#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
-{ \
- rtx start_addr = gen_reg_rtx (Pmode); \
- rtx end_addr = gen_reg_rtx (Pmode); \
- rtx line_length = gen_reg_rtx (Pmode); \
- rtx tmp; \
- \
- if (!TARGET_64BIT) \
- { \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 36)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), (FNADDR)); \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 40)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), (CXT)); \
- \
- /* Create a fat pointer for the trampoline. */ \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 44)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), (TRAMP)); \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 48)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), \
- gen_rtx_REG (Pmode, 19)); \
- \
- /* fdc and fic only use registers for the address to flush, \
- they do not accept integer displacements. We align the \
- start and end addresses to the beginning of their respective \
- cache lines to minimize the number of lines flushed. */ \
- tmp = force_reg (Pmode, (TRAMP)); \
- emit_insn (gen_andsi3 (start_addr, tmp, \
- GEN_INT (-MIN_CACHELINE_SIZE))); \
- tmp = force_reg (Pmode, \
- plus_constant (tmp, TRAMPOLINE_CODE_SIZE - 1)); \
- emit_insn (gen_andsi3 (end_addr, tmp, \
- GEN_INT (-MIN_CACHELINE_SIZE))); \
- emit_move_insn (line_length, GEN_INT (MIN_CACHELINE_SIZE)); \
- emit_insn (gen_dcacheflushsi (start_addr, end_addr, line_length));\
- emit_insn (gen_icacheflushsi (start_addr, end_addr, line_length, \
- gen_reg_rtx (Pmode), \
- gen_reg_rtx (Pmode))); \
- } \
- else \
- { \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 56)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), (FNADDR)); \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 64)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), (CXT)); \
- \
- /* Create a fat pointer for the trampoline. */ \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 16)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), \
- force_reg (Pmode, plus_constant ((TRAMP), 32))); \
- tmp = memory_address (Pmode, plus_constant ((TRAMP), 24)); \
- emit_move_insn (gen_rtx_MEM (Pmode, tmp), \
- gen_rtx_REG (Pmode, 27)); \
- \
- /* fdc and fic only use registers for the address to flush, \
- they do not accept integer displacements. We align the \
- start and end addresses to the beginning of their respective \
- cache lines to minimize the number of lines flushed. */ \
- tmp = force_reg (Pmode, plus_constant ((TRAMP), 32)); \
- emit_insn (gen_anddi3 (start_addr, tmp, \
- GEN_INT (-MIN_CACHELINE_SIZE))); \
- tmp = force_reg (Pmode, \
- plus_constant (tmp, TRAMPOLINE_CODE_SIZE - 1)); \
- emit_insn (gen_anddi3 (end_addr, tmp, \
- GEN_INT (-MIN_CACHELINE_SIZE))); \
- emit_move_insn (line_length, GEN_INT (MIN_CACHELINE_SIZE)); \
- emit_insn (gen_dcacheflushdi (start_addr, end_addr, line_length));\
- emit_insn (gen_icacheflushdi (start_addr, end_addr, line_length, \
- gen_reg_rtx (Pmode), \
- gen_reg_rtx (Pmode))); \
- } \
-}
-
-/* Perform any machine-specific adjustment in the address of the trampoline.
- ADDR contains the address that was passed to INITIALIZE_TRAMPOLINE.
- Adjust the trampoline address to point to the plabel at offset 44. */
-
-#define TRAMPOLINE_ADJUST_ADDRESS(ADDR) \
- if (!TARGET_64BIT) (ADDR) = memory_address (Pmode, plus_constant ((ADDR), 46))
\f
/* Addressing modes, and classification of registers for them.
|| ((MODE) != SFmode \
&& (MODE) != DFmode))) \
goto ADDR; \
- else if (GET_CODE (X) == LABEL_REF \
- || (GET_CODE (X) == CONST_INT \
- && INT_5_BITS (X))) \
+ else if (GET_CODE (X) == CONST_INT && INT_5_BITS (X)) \
goto ADDR; \
/* Needed for -fPIC */ \
else if (GET_CODE (X) == LO_SUM \
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