Skip to content

R
riscv-gcc-1
Commit 1ccfa253 by Doug Evans
Options

sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc. 

	* sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
	(TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
	-malign-functions=.
	(sparc_align_{loops,jumps,funcs}_string): Declare.
	(sparc_align_{loops,jumps,funcs}): Declare.
	(DEFAULT_SPARC_ALIGN_FUNCS): New macro.
	(FUNCTION_BOUNDARY): Use sparc_align_funcs.
	(STACK_BIAS): Define.
	(SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
	test.
	(SPARC_SETHI_P): New macro.
	(CONST_OK_FOR_LETTER_P): Use it.
	(ASM_OUTPUT_ALIGN_CODE): Define.
	(ASM_OUTPUT_LOOP_ALIGN): Define.

	* sparc.h (ASM_COMMENT_START): Define.

	* sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
	ascii form as well.

From-SVN: r15708
parent 96987e96
Showing with 82 additions and 34 deletions
gcc/config/sparc/sparc.h
/* Definitions of target machine for GNU compiler, for Sun SPARC.
Copyright (C) 1987, 88, 89, 92, 94, 95, 96, 1997 Free Software Foundation,
Inc.
Copyright (C) 1987, 88, 89, 92, 94-6, 1997 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com).
64 bit SPARC V9 support by Michael Tiemann, Jim Wilson, and Doug Evans,
at Cygnus Support.
......@@ -174,9 +173,9 @@ Unrecognized value in TARGET_CPU_DEFAULT.
%{mf930:-Asparclite} %{mf934:-Asparclite} \
%{mcpu=sparclite:-Asparclite} \
%{mcpu=f930:-Asparclite} %{mcpu=f934:-Asparclite} \
%{mcpu=v8plus:-Av9} \
%{mcpu=v8plus:-Av9a} \
%{mcpu=v9:-Av9} \
%{mcpu=ultrasparc:-Av9} \
%{mcpu=ultrasparc:-Av9a} \
%{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:%(asm_default)}}}}}}} \
"
......@@ -515,10 +514,13 @@ extern enum processor_type sparc_cpu;
#define TARGET_OPTIONS { { "short-data-", &m88k_short_data } } */
#define TARGET_OPTIONS \
{ \
{"cpu=", &sparc_select[1].string}, \
{"tune=", &sparc_select[2].string}, \
SUBTARGET_OPTIONS \
{ \
{"cpu=", &sparc_select[1].string}, \
{"tune=", &sparc_select[2].string}, \
{"align-loops=", &sparc_align_loops_string }, \
{"align-jumps=", &sparc_align_jumps_string }, \
{"align-functions=", &sparc_align_funcs_string }, \
SUBTARGET_OPTIONS \
}
/* This is meant to be redefined in target specific files. */
......@@ -534,6 +536,18 @@ struct sparc_cpu_select
};
extern struct sparc_cpu_select sparc_select[];
/* Variables to record values the user passes. */
extern char *sparc_align_loops_string;
extern char *sparc_align_jumps_string;
extern char *sparc_align_funcs_string;
/* Parsed values as a power of two. */
extern int sparc_align_loops;
extern int sparc_align_jumps;
extern int sparc_align_funcs;
#define DEFAULT_SPARC_ALIGN_FUNCS \
(sparc_cpu == PROCESSOR_ULTRASPARC ? 5 : 2)
/* target machine storage layout */
......@@ -610,7 +624,7 @@ extern struct sparc_cpu_select sparc_select[];
(TARGET_ARCH64 ? (((LOC)+15) & ~15) : (((LOC)+7) & ~7))
/* Allocation boundary (in *bits*) for the code of a function. */
#define FUNCTION_BOUNDARY 32
#define FUNCTION_BOUNDARY (1 << (sparc_align_funcs + 3))
/* Alignment of field after `int : 0' in a structure. */
/* ??? Should this be based on TARGET_INT64? */
......@@ -912,6 +926,9 @@ extern int sparc_mode_class[];
/* The stack bias (amount by which the hardware register is offset by). */
#define SPARC_STACK_BIAS (TARGET_STACK_BIAS ? 2047 : 0)
/* Is stack biased? */
#define STACK_BIAS SPARC_STACK_BIAS
/* Base register for access to local variables of the function. */
#define FRAME_POINTER_REGNUM 30
......@@ -1178,17 +1195,19 @@ extern char leaf_reg_remap[];
`L' is used for the range of constants supported by the movcc insns.
`M' is used for the range of constants supported by the movrcc insns. */
#define SPARC_SIMM10_P(X) ((unsigned HOST_WIDE_INT) ((X) + 0x200) < 0x400)
#define SPARC_SIMM11_P(X) ((unsigned HOST_WIDE_INT) ((X) + 0x400) < 0x800)
#define SPARC_SIMM13_P(X) ((unsigned HOST_WIDE_INT) ((X) + 0x1000) < 0x2000)
#define SPARC_SIMM10_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x200 < 0x400)
#define SPARC_SIMM11_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x400 < 0x800)
#define SPARC_SIMM13_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x1000 < 0x2000)
/* 10 and 11 bit immediates are only used for a few specific insns.
SMALL_INT is used throughout the port so we continue to use it. */
#define SMALL_INT(X) (SPARC_SIMM13_P (INTVAL (X)))
#define SPARC_SETHI_P(X) \
(((unsigned HOST_WIDE_INT) (X) & ~(unsigned HOST_WIDE_INT) 0xfffffc00) == 0)
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'I' ? SPARC_SIMM13_P (VALUE) \
: (C) == 'J' ? (VALUE) == 0 \
: (C) == 'K' ? ((VALUE) & 0x3ff) == 0 \
: (C) == 'K' ? SPARC_SETHI_P (VALUE) \
: (C) == 'L' ? SPARC_SIMM11_P (VALUE) \
: (C) == 'M' ? SPARC_SIMM10_P (VALUE) \
: 0)
......@@ -2737,6 +2756,12 @@ extern struct rtx_def *legitimize_pic_address ();
#define ASM_FILE_START(file)
/* A C string constant describing how to begin a comment in the target
assembler language. The compiler assumes that the comment will end at
the end of the line. */
#define ASM_COMMENT_START "!"
/* Output to assembler file text saying following lines
may contain character constants, extra white space, comments, etc. */
......@@ -2843,34 +2868,51 @@ extern struct rtx_def *legitimize_pic_address ();
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf (LABEL, "*%s%d", PREFIX, NUM)
/* This is how to output an assembler line defining a `double' constant. */
/* This is how to output an assembler line defining a `float' constant.
We always have to use a .long pseudo-op to do this because the native
SVR4 ELF assembler is buggy and it generates incorrect values when we
try to use the .float pseudo-op instead. */
#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
{ \
long t[2]; \
REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
fprintf (FILE, "\t%s\t0x%lx\n\t%s\t0x%lx\n", \
ASM_LONG, t[0], ASM_LONG, t[1]); \
}
#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
{ \
long t; \
char str[30]; \
REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \
fprintf (FILE, "\t%s\t0x%lx %s ~%s\n", ASM_LONG, t, \
ASM_COMMENT_START, str); \
} \
/* This is how to output an assembler line defining a `float' constant. */
/* This is how to output an assembler line defining a `double' constant.
We always have to use a .long pseudo-op to do this because the native
SVR4 ELF assembler is buggy and it generates incorrect values when we
try to use the .float pseudo-op instead. */
#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
{ \
long t; \
REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
fprintf (FILE, "\t%s\t0x%lx\n", ASM_LONG, t); \
} \
#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
{ \
long t[2]; \
char str[30]; \
REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \
fprintf (FILE, "\t%s\t0x%lx %s ~%s\n", ASM_LONG, t[0], \
ASM_COMMENT_START, str); \
fprintf (FILE, "\t%s\t0x%lx\n", ASM_LONG, t[1]); \
}
/* This is how to output an assembler line defining a `long double'
constant. */
#define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
{ \
long t[4]; \
REAL_VALUE_TO_TARGET_LONG_DOUBLE ((VALUE), t); \
fprintf (FILE, "\t%s\t0x%lx\n\t%s\t0x%lx\n\t%s\t0x%lx\n\t%s\t0x%lx\n", \
ASM_LONG, t[0], ASM_LONG, t[1], ASM_LONG, t[2], ASM_LONG, t[3]); \
#define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
{ \
long t[4]; \
char str[30]; \
REAL_VALUE_TO_TARGET_LONG_DOUBLE ((VALUE), t); \
REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \
fprintf (FILE, "\t%s\t0x%lx %s ~%s\n", ASM_LONG, t[0], \
ASM_COMMENT_START, str); \
fprintf (FILE, "\t%s\t0x%lx\n", ASM_LONG, t[1]); \
fprintf (FILE, "\t%s\t0x%lx\n", ASM_LONG, t[2]); \
fprintf (FILE, "\t%s\t0x%lx\n", ASM_LONG, t[3]); \
}
/* This is how to output an assembler line defining an `int' constant. */
......@@ -2942,6 +2984,12 @@ do { \
if ((LOG) != 0) \
fprintf (FILE, "\t.align %d\n", (1<<(LOG)))
#define ASM_OUTPUT_ALIGN_CODE(FILE) \
ASM_OUTPUT_ALIGN (FILE, sparc_align_jumps)
#define ASM_OUTPUT_LOOP_ALIGN(FILE) \
ASM_OUTPUT_ALIGN (FILE, sparc_align_loops)
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
fprintf (FILE, "\t.skip %u\n", (SIZE))
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment