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Commit bf0e974b by Kazu Hirata Committed by Kazu Hirata
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dsp16xx.c: Fix comment formatting. 

	* config/dsp16xx/dsp16xx.c: Fix comment formatting.
	* config/dsp16xx/dsp16xx.h: Likewise.
	* config/dsp16xx/dsp16xx.md: Likewise.

From-SVN: r47015
parent a77b1dbc
Showing with 75 additions and 69 deletions
gcc/ChangeLog
2001-11-14 Kazu Hirata <kazu@hxi.com>
* config/dsp16xx/dsp16xx.c: Fix comment formatting.
* config/dsp16xx/dsp16xx.h: Likewise.
* config/dsp16xx/dsp16xx.md: Likewise.
2001-11-14 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300.c (get_shift_alg): Reorganize the code
that deals with 7-bit shifts in HImode.
......
gcc/config/dsp16xx/dsp16xx.c
......@@ -494,7 +494,7 @@ preferred_reload_class (x, class)
}
/* If x is not an accumulator or a ybase register, restrict the class of registers
we can copy the register into. */
we can copy the register into. */
if (REG_P (x) && !IS_ACCUM_REG (REGNO (x)) && !IS_YBASE_REGISTER_WINDOW (REGNO (x)))
{
......
gcc/config/dsp16xx/dsp16xx.h
......@@ -94,7 +94,7 @@ extern struct rtx_def *dsp16xx_lshrhi3_libcall;
circumstances */
#define LIB_SPEC "-lc"
/* Specify the startup file to link with. */
/* Specify the startup file to link with. */
#define STARTFILE_SPEC "%{mmap1:m1_crt0.o%s} \
%{mmap2:m2_crt0.o%s} \
%{mmap3:m3_crt0.o%s} \
......@@ -182,7 +182,7 @@ extern int target_flags;
#define TARGET_NEAR_JUMP (target_flags & MASK_NEAR_JUMP)
/* Generate shift instructions to use the 1610 Bit Manipulation
Unit. */
Unit. */
#define TARGET_BMU (target_flags & MASK_BMU)
#define TARGET_YBASE_HIGH (target_flags & MASK_YBASE_HIGH)
......@@ -313,7 +313,7 @@ extern int target_flags;
/* 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. */
decimal <-> binary conversion. */
#define REAL_ARITHMETIC
/* Define this if most significant bit is lowest numbered
......@@ -323,11 +323,11 @@ extern int target_flags;
/* Define this if most significant byte of a word is the lowest numbered.
We define big-endian, but since the 1600 series cannot address bytes
it does not matter. */
it does not matter. */
#define BYTES_BIG_ENDIAN 1
/* Define this if most significant word of a multiword number is numbered.
For the 1600 we can decide arbitrarily since there are no machine instructions for them. */
For the 1600 we can decide arbitrarily since there are no machine instructions for them. */
#define WORDS_BIG_ENDIAN 1
/* number of bits in an addressable storage unit */
......@@ -339,7 +339,7 @@ extern int target_flags;
But on a machine with 16-bit registers, this would be 16. */
#define BITS_PER_WORD 16
/* Maximum number of bits in a word. */
/* Maximum number of bits in a word. */
#define MAX_BITS_PER_WORD 16
/* Width of a word, in units (bytes). */
......@@ -380,7 +380,7 @@ extern int target_flags;
/* An integer expression for the size in bits of the largest integer machine mode that
should actually be used. All integer machine modes of this size or smaller can be
used for structures and unions with the appropriate sizes. */
used for structures and unions with the appropriate sizes. */
#define MAX_FIXED_MODE_SIZE 32
/* LAYOUT OF SOURCE LANGUAGE DATA TYPES */
......@@ -395,19 +395,19 @@ extern int target_flags;
#define LONG_DOUBLE_TYPE_SIZE 32
/* An expression whose value is 1 or 0, according to whether the type char should be
signed or unsigned by default. */
signed or unsigned by default. */
#define DEFAULT_SIGNED_CHAR 1
/* A C expression to determine whether to give an enum type only as many bytes
as it takes to represent the range of possible values of that type. A nonzero
value means to do that; a zero value means all enum types should be allocated
like int. */
like int. */
#define DEFAULT_SHORT_ENUMS 0
/* A C expression for a string describing the name of the data type to use for
size values. */
size values. */
#define SIZE_TYPE "unsigned int"
......@@ -440,7 +440,7 @@ extern int target_flags;
We reserve r2 for the Stack Pointer.
We specify r3 for the Frame Pointer but allow the compiler
to omit it when possible since we have so few pointer registers. */
to omit it when possible since we have so few pointer registers. */
#define REG_A0 0
#define REG_A0L 1
......@@ -644,12 +644,12 @@ while (0)
/* Return number of consecutive hard regs needed starting at reg REGNO
to hold something of mode MODE.
This is ordinarily the length in words of a value of mode MODE
but can be less for certain modes in special long registers. */
but can be less for certain modes in special long registers. */
#define HARD_REGNO_NREGS(REGNO, MODE) \
(GET_MODE_SIZE(MODE))
/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */
/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */
#define HARD_REGNO_MODE_OK(REGNO, MODE) hard_regno_mode_ok(REGNO, MODE)
......@@ -789,7 +789,7 @@ enum reg_class
#define N_REG_CLASSES (int) LIM_REG_CLASSES
/* Give names of register classes as strings for dump file. */
/* Give names of register classes as strings for dump file. */
#define REG_CLASS_NAMES \
{ \
......@@ -946,7 +946,7 @@ enum reg_class
#define INDEX_REG_CLASS NO_REGS
#define BASE_REG_CLASS Y_ADDR_REGS
/* Get reg_class from a letter such as appears in the machine description. */
/* Get reg_class from a letter such as appears in the machine description. */
#define REG_CLASS_FROM_LETTER(C) \
dsp16xx_reg_class_from_letter(C)
......@@ -956,7 +956,7 @@ enum reg_class
/* When defined, the compiler allows registers explicitly used in the
rtl to be used as spill registers but prevents the compiler from
extending the lifetime of these registers. */
extending the lifetime of these registers. */
#define SMALL_REGISTER_CLASSES 1
......@@ -1012,7 +1012,7 @@ enum reg_class
smaller class.
Don't define this macro unless the target machine has limitations
which require the macro to do something nontrivial. */
which require the macro to do something nontrivial. */
#if 0
#define LIMIT_RELOAD_CLASS(MODE, CLASS) dsp16xx_limit_reload_class (MODE, CLASS)
......@@ -1085,7 +1085,7 @@ enum reg_class
/* We use post decrement on the 1600 because there isn't
a pre-decrement addressing mode. This means that we
assume the stack pointer always points at the next
FREE location on the stack. */
FREE location on the stack. */
#define STACK_PUSH_CODE POST_INC
/* Offset within stack frame to start allocating local variables at.
......@@ -1095,7 +1095,7 @@ enum reg_class
#define STARTING_FRAME_OFFSET 0
/* Offset from the stack pointer register to the first
location at which outgoing arguments are placed. */
location at which outgoing arguments are placed. */
#define STACK_POINTER_OFFSET (0)
struct dsp16xx_frame_info
......@@ -1118,7 +1118,7 @@ extern struct dsp16xx_frame_info current_frame_info;
#define RETURN_ADDR_OFF current_frame_info.pr_save_offset
/* If we generate an insn to push BYTES bytes,
this says how many the stack pointer really advances by. */
this says how many the stack pointer really advances by. */
/* #define PUSH_ROUNDING(BYTES) ((BYTES)) */
/* If defined, the maximum amount of space required for outgoing
......@@ -1128,11 +1128,11 @@ extern struct dsp16xx_frame_info current_frame_info;
increase the stack frame size by this amount.
It is not proper to define both 'PUSH_ROUNDING' and
'ACCUMULATE_OUTGOING_ARGS'. */
'ACCUMULATE_OUTGOING_ARGS'. */
#define ACCUMULATE_OUTGOING_ARGS 1
/* Offset of first parameter from the argument pointer
register value. */
register value. */
#define FIRST_PARM_OFFSET(FNDECL) (0)
......@@ -1140,7 +1140,7 @@ extern struct dsp16xx_frame_info current_frame_info;
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. */
or for a library call it is an identifier node for the subroutine name. */
#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0
......@@ -1149,7 +1149,7 @@ extern struct dsp16xx_frame_info current_frame_info;
If the precise function being called is known, FUNC is its FUNCTION_DECL;
otherwise, FUNC is 0. On the 1610 all function return their values
in a0 (i.e. the upper 16 bits). If the return value is 32-bits the
entire register is significant. */
entire register is significant. */
#define VALUE_REGNO(MODE) (REG_Y)
......@@ -1160,7 +1160,7 @@ extern struct dsp16xx_frame_info current_frame_info;
assuming the value has mode MODE. */
#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, VALUE_REGNO(MODE))
/* 1 if N is a possible register number for a function value. */
/* 1 if N is a possible register number for a function value. */
#define FUNCTION_VALUE_REGNO_P(N) ((N) == REG_Y)
......@@ -1178,7 +1178,7 @@ extern struct dsp16xx_frame_info current_frame_info;
(otherwise it is an extra parameter matching an ellipsis). */
/* On the 1610 all args are pushed, except if -mregparm is specified
then the first two words of arguments are passed in a0, a1. */
then the first two words of arguments are passed in a0, a1. */
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
dsp16xx_function_arg (CUM, MODE, TYPE, NAMED)
......@@ -1188,7 +1188,7 @@ extern struct dsp16xx_frame_info current_frame_info;
/* Define the profitability of saving registers around calls.
NOTE: For now we turn this off because of a bug in the
caller-saves code and also because i'm not sure it is helpful
on the 1610. */
on the 1610. */
#define CALLER_SAVE_PROFITABLE(REFS,CALLS) 0
......@@ -1210,12 +1210,12 @@ extern struct dsp16xx_frame_info current_frame_info;
during the scan of that argument list. This data type should
hold all necessary information about the function itself
and about the args processed so far, enough to enable macros
such as FUNCTION_ARG to determine where the next arg should go. */
such as FUNCTION_ARG to determine where the next arg should go. */
#define CUMULATIVE_ARGS int
/* Initialize a variable CUM of type CUMULATIVE_ARGS
for a call to a function whose data type is FNTYPE.
For a library call, FNTYPE is 0. */
For a library call, FNTYPE is 0. */
#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) ((CUM) = 0)
/* Update the data in CUM to advance over an argument
......@@ -1225,23 +1225,23 @@ extern struct dsp16xx_frame_info current_frame_info;
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
dsp16xx_function_arg_advance (&CUM, MODE,TYPE, NAMED)
/* 1 if N is a possible register number for function argument passing. */
/* 1 if N is a possible register number for function argument passing. */
#define FUNCTION_ARG_REGNO_P(N) \
((N) == REG_Y || (N) == REG_YL || (N) == REG_PROD || (N) == REG_PRODL)
/* Output assembler code to FILE to increment profiler label # LABELNO
for profiling a function entry. */
for profiling a function entry. */
#define FUNCTION_PROFILER(FILE, LABELNO) \
internal_error ("Profiling not implemented yet.")
/* Output assembler code to FILE to initialize this source file's
basic block profiling info, if that has not already been done. */
basic block profiling info, if that has not already been done. */
#define FUNCTION_BLOCK_PROFILER(FILE, LABELNO) \
internal_error ("Profiling not implemented yet.")
/* Output assembler code to FILE to increment the entry-count for
the BLOCKNO'th basic block in this source file. */
the BLOCKNO'th basic block in this source file. */
#define BLOCK_PROFILER(FILE, BLOCKNO) \
internal_error ("Profiling not implemented yet.")
......@@ -1263,19 +1263,19 @@ extern struct dsp16xx_frame_info current_frame_info;
/* 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. */
CXT is an RTX for the static chain value for the function. */
#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
internal_error ("Trampolines not yet implemented");
/* A C expression which is nonzero if a function must have and use a
frame pointer. If its value is nonzero the functions will have a
frame pointer. */
frame pointer. */
#define FRAME_POINTER_REQUIRED (current_function_calls_alloca)
/* A C statement to store in the variable 'DEPTH' the difference
between the frame pointer and the stack pointer values immediately
after the function prologue. */
after the function prologue. */
#define INITIAL_FRAME_POINTER_OFFSET(DEPTH) \
{ (DEPTH) = initial_frame_pointer_offset(); \
}
......@@ -1307,7 +1307,7 @@ extern struct dsp16xx_frame_info current_frame_info;
#define LSHLHI3_LIBCALL "__Emulate_lshlhi3" /* NOT USED */
/* Define this macro if calls to the ANSI C library functions memcpy and
memset should be generated instead of the BSD function bcopy & bzero. */
memset should be generated instead of the BSD function bcopy & bzero. */
#define TARGET_MEM_FUNCTIONS
......@@ -1456,7 +1456,7 @@ extern struct dsp16xx_frame_info current_frame_info;
/* Store in cc_status the expressions
that the condition codes will describe
after execution of an instruction whose pattern is EXP.
Do not alter them if the instruction would not alter the cc's. */
Do not alter them if the instruction would not alter the cc's. */
#define NOTICE_UPDATE_CC(EXP, INSN) \
notice_update_cc( (EXP) )
......@@ -1466,7 +1466,7 @@ extern struct dsp16xx_frame_info current_frame_info;
/* Compute the cost of computing a constant rtl expression RTX
whose rtx-code is CODE. The body of this macro is a portion
of a switch statement. If the code is computed here,
return it with a return statement. */
return it with a return statement. */
#define CONST_COSTS(RTX,CODE,OUTER_CODE) \
case CONST_INT: \
return (unsigned) INTVAL (RTX) < 65536 ? 0 : 2; \
......@@ -1480,7 +1480,7 @@ extern struct dsp16xx_frame_info current_frame_info;
/* Like CONST_COSTS but applies to nonconstant RTL expressions.
This can be used, for example to indicate how costly a multiply
instruction is. */
instruction is. */
#define RTX_COSTS(X,CODE,OUTER_CODE) \
case MEM: \
return GET_MODE (X) == QImode ? COSTS_N_INSNS (2) : \
......@@ -1534,17 +1534,17 @@ extern struct dsp16xx_frame_info current_frame_info;
return COSTS_N_INSNS (15);
/* An expression giving the cost of an addressing mode that contains
address. */
address. */
#define ADDRESS_COST(ADDR) dsp16xx_address_cost (ADDR)
/* A c expression for the cost of moving data from a register in
class FROM to one in class TO. The classes are expressed using
the enumeration values such as GENERAL_REGS. A value of 2 is
the default. */
the default. */
#define REGISTER_MOVE_COST(MODE,FROM,TO) dsp16xx_register_move_cost (FROM, TO)
/* A C expression for the cost of moving data of mode MODE between
a register and memory. A value of 2 is the default. */
a register and memory. A value of 2 is the default. */
#define MEMORY_MOVE_COST(MODE,CLASS,IN) \
(GET_MODE_CLASS(MODE) == MODE_INT && MODE == QImode ? 12 \
: 16)
......@@ -1555,18 +1555,18 @@ extern struct dsp16xx_frame_info current_frame_info;
/* Define this because otherwise gcc will try to put the function address
in any old pseudo register. We can only use pt. */
in any old pseudo register. We can only use pt. */
#define NO_FUNCTION_CSE
/* Define this macro as a C expression which is nonzero if accessing less
than a word of memory (i.e a char or short) is no faster than accessing
a word of memory, i.e if such access require more than one instruction
or if ther is no difference in cost between byte and (aligned) word
loads. */
loads. */
#define SLOW_BYTE_ACCESS 1
/* Define this macro if zero-extension (of a char or short to an int) can
be done faster if the destination is a register that is know to be zero. */
be done faster if the destination is a register that is know to be zero. */
/* #define SLOW_ZERO_EXTEND */
/* Define this macro if unaligned accesses have a cost many times greater than
......@@ -1596,11 +1596,11 @@ extern struct dsp16xx_frame_info current_frame_info;
#define BSS_SECTION_ASM_OP rsect_bss
/* We will default to using 1610 if the user doesn't
specify it. */
specify it. */
#define DEFAULT_CHIP_NAME "1610"
/* A list of names for sections other than the standard ones, which are
'in_text' and 'in_data' (and .bss if BSS_SECTION_ASM_OP is defined). */
'in_text' and 'in_data' (and .bss if BSS_SECTION_ASM_OP is defined). */
#define EXTRA_SECTIONS in_const
#define EXTRA_SECTION_FUNCTIONS \
......@@ -1624,7 +1624,7 @@ const_section () \
#define ASM_IDENTIFY_GCC(FILE)
/* A C string constant describing how to begin a comment in the target
assembler language. */
assembler language. */
#define ASM_COMMENT_START ""
#define ASM_COMMENT_END ""
......@@ -1645,7 +1645,7 @@ const_section () \
#define ASM_OUTPUT_FLOAT(FILE,VALUE) asm_output_float (FILE, VALUE)
/* This is how to output an assembler line defining a 'float' constant of
size HFmode. */
size HFmode. */
#define ASM_OUTPUT_SHORT_FLOAT(FILE,VALUE) asm_output_float (FILE, VALUE)
/* This is how to output an assembler line defining an `char' constant. */
......@@ -1657,7 +1657,7 @@ const_section () \
/* This is how to output an assembler line defining an `short' constant. */
#define ASM_OUTPUT_SHORT(FILE,EXP) asm_output_long(FILE,INTVAL(EXP))
/* This is how to output an assembler line defining a 'int' constant. */
/* This is how to output an assembler line defining a 'int' constant. */
#define ASM_OUTPUT_INT(FILE, EXP) asm_output_long(FILE,INTVAL(EXP))
/* This is how to output an assembler line for a numeric constant byte. */
......@@ -1723,7 +1723,7 @@ const_section () \
/* Store in OUTPUT a string (made with alloca) containing
an assembler-name for a local static variable or function
named NAME. LABELNO is an integer which is different for
each call. */
each call. */
#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
do { \
......@@ -1766,7 +1766,7 @@ const_section () \
/* A C statement to output to the stdio stream any text necessary
for declaring the name of an external symbol named name which
is referenced in this compilation but not defined. */
is referenced in this compilation but not defined. */
#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
{ \
......@@ -1775,7 +1775,7 @@ const_section () \
fprintf (FILE, "\n"); \
}
/* A C statement to output on stream an assembler pseudo-op to
declare a library function named external. */
declare a library function named external. */
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
{ \
......@@ -1784,7 +1784,7 @@ const_section () \
fprintf (FILE, "\n"); \
}
/* The prefix to add to user-visible assembler symbols. */
/* The prefix to add to user-visible assembler symbols. */
#define USER_LABEL_PREFIX "_"
......@@ -1848,7 +1848,7 @@ const_section () \
#define PRINT_OPERAND(FILE, X, CODE) print_operand(FILE, X, CODE)
/* Print a memory address as an operand to reference that memory location. */
/* Print a memory address as an operand to reference that memory location. */
#define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR)
......@@ -1865,12 +1865,12 @@ const_section () \
/* OUTPUT OF DISPATCH TABLES */
/* This macro should be provided on machines where the addresses in a dispatch
table are relative to the table's own address. */
table are relative to the table's own address. */
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
fprintf (FILE, "\tint L%d-L%d\n", VALUE, REL)
/* This macro should be provided on machines where the addresses in a dispatch
table are absolute. */
table are absolute. */
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
fprintf (FILE, "\tint L%d\n", VALUE)
......@@ -1878,11 +1878,11 @@ const_section () \
/* This is how to output an assembler line that says to advance
the location counter to a multiple of 2**LOG bytes. We should
not have to do any alignment since the 1610 is a word machine. */
not have to do any alignment since the 1610 is a word machine. */
#define ASM_OUTPUT_ALIGN(FILE,LOG)
/* Define this macro if ASM_OUTPUT_SKIP should not be used in the text section
because it fails to put zero1 in the bytes that are skipped. */
because it fails to put zero1 in the bytes that are skipped. */
#define ASM_NO_SKIP_IN_TEXT 1
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
......@@ -1913,7 +1913,7 @@ const_section () \
/* Define as C expression which evaluates to nonzero if the tablejump
instruction expects the table to contain offsets from the address of the
table.
Do not define this if the table should contain absolute addresses. */
Do not define this if the table should contain absolute addresses. */
/* #define CASE_VECTOR_PC_RELATIVE 1 */
/* Specify the tree operation to be used to convert reals to integers. */
......@@ -1930,7 +1930,7 @@ const_section () \
or bitwise 'and' instruction that truncates the count of a shift operation
to a width equal to the number of bits needed to represent the size of the
object being shifted. Do not define this macro unless the truncation applies
to both shift operations and bit-field operations (if any). */
to both shift operations and bit-field operations (if any). */
/* #define SHIFT_COUNT_TRUNCATED */
/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
......@@ -1961,6 +1961,6 @@ const_section () \
#define DEFAULT_SIGNED_CHAR 1
/* Define this so gcc does not output a call to __main, since we
are not currently supporting c++. */
are not currently supporting c++. */
#define INIT_SECTION_ASM_OP 1
gcc/config/dsp16xx/dsp16xx.md
......@@ -1571,7 +1571,7 @@
{
/* Check for an overlap of operand 2 (an accumulator) with
the msw of operand 0. If we have an overlap we must reverse
the order of the moves. */
the order of the moves. */
if (REGNO(operands[2]) == REGNO(operands[0]))
{
......@@ -1707,7 +1707,7 @@
{
/* Check for an overlap of operand 2 (an accumulator) with
the msw of operand 0. If we have an overlap we must reverse
the order of the moves. */
the order of the moves. */
if (REGNO(operands[2]) == REGNO(operands[0]))
{
......@@ -2015,7 +2015,7 @@
{
/* If we are shifting by a constant we can do it in 1 or more
1600 core shift instructions. The core instructions can
shift by 1, 4, 8, or 16. */
shift by 1, 4, 8, or 16. */
if (GET_CODE(operands[2]) == CONST_INT)
;
......@@ -2141,7 +2141,7 @@
{
/* If we are shifting by a constant we can do it in 1 or more
1600 core shift instructions. The core instructions can
shift by 1, 4, 8, or 16. */
shift by 1, 4, 8, or 16. */
if (GET_CODE(operands[2]) == CONST_INT)
emit_insn (gen_match_lshrhi3_nobmu (operands[0], operands[1], operands[2]));
......@@ -2276,7 +2276,7 @@
{
/* If we are shifting by a constant we can do it in 1 or more
1600 core shift instructions. The core instructions can
shift by 1, 4, 8, or 16. */
shift by 1, 4, 8, or 16. */
if (GET_CODE(operands[2]) == CONST_INT)
;
......
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