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i370-protos.h: New file.

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* i370-protos.h: New file.

        * i370.c: Include tm_p.h.  Fix compile time warnings.

        * i370.h: Move prototypes to i370-protos.h.  Fix compile time
        warnings.

        * i370.md: Likewise.

From-SVN: r31519
This commit is contained in:
Kaveh R. Ghazi 2000-01-19 22:25:21 +00:00 • committed by Kaveh Ghazi
parent b42b4d2c33
commit f50ec635fc
5 changed files with 113 additions and 56 deletions
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11
gcc/ChangeLog
View file

@ -1,3 +1,14 @@
2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* i370-protos.h: New file.
* i370.c: Include tm_p.h. Fix compile time warnings.
* i370.h: Move prototypes to i370-protos.h. Fix compile time
warnings.
* i370.md: Likewise.
2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.

48
gcc/config/i370/i370-protos.h Normal file
View file

@ -0,0 +1,48 @@
/* Definitions of target machine for GNU compiler. System/370 version.
Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Jan Stein (jan@cd.chalmers.se).
Modified for OS/390 LanguageEnvironment C by Dave Pitts (dpitts@cozx.com)
Hacked for Linux-ELF/390 by Linas Vepstas (linas@linas.org)
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef RTX_CODE
extern int i370_branch_dest PARAMS ((rtx));
extern int i370_branch_length PARAMS ((rtx));
extern int i370_short_branch PARAMS ((rtx));
extern int s_operand PARAMS ((rtx, enum machine_mode));
extern int r_or_s_operand PARAMS ((rtx, enum machine_mode));
extern int unsigned_jump_follows_p PARAMS ((rtx));
#endif /* RTX_CODE */
#ifdef TREE_CODE
extern int handle_pragma PARAMS ((int (*)(void), void (*)(int), const char *));
#endif /* TREE_CODE */
extern char mvs_map_char PARAMS ((int));
extern void mvs_add_label PARAMS ((int));
extern int mvs_check_label PARAMS ((int));
extern int mvs_check_page PARAMS ((FILE *, int, int));
extern int mvs_function_check PARAMS ((const char *));
extern void mvs_add_alias PARAMS ((const char *, const char *, int));
extern int mvs_need_alias PARAMS ((const char *));
extern int mvs_get_alias PARAMS ((const char *, char *));
extern int mvs_check_alias PARAMS ((const char *, char *));
extern void i370_function_prolog PARAMS ((FILE *, int));
extern void check_label_emit PARAMS ((void));
extern void mvs_free_label_list PARAMS ((void));

89
gcc/config/i370/i370.c
View file

@ -1,5 +1,5 @@
/* Subroutines for insn-output.c for System/370.
Copyright (C) 1989, 93, 95, 97, 98, 1999 Free Software Foundation, Inc.
Copyright (C) 1989, 93, 95, 97-99, 2000 Free Software Foundation, Inc.
Contributed by Jan Stein (jan@cd.chalmers.se).
Modified for OS/390 LanguageEnvironment C by Dave Pitts (dpitts@cozx.com)
Hacked for Linux-ELF/390 by Linas Vepstas (linas@linas.org)
@ -37,6 +37,7 @@ Boston, MA 02111-1307, USA. */
#include "flags.h"
#include "recog.h"
#include "toplev.h"
#include "tm_p.h"
extern FILE *asm_out_file;
@ -92,7 +93,8 @@ static label_node_t *free_anchor = 0;
/* Assembler source file descriptor. */
static FILE *assembler_source = 0;
label_node_t * mvs_get_label ();
static label_node_t * mvs_get_label PARAMS ((int));
static void i370_label_scan PARAMS ((void));
/* ===================================================== */
/* defines and functions specific to the HLASM assembler */
@ -121,14 +123,16 @@ alias_node_t;
static alias_node_t *alias_anchor = 0;
/* Alias number */
static alias_number = 0;
#ifdef LONGEXTERNAL
static int alias_number = 0;
#endif
/* Define the length of the internal MVS function table. */
#define MVS_FUNCTION_TABLE_LENGTH 32
/* C/370 internal function table. These functions use non-standard linkage
and must handled in a special manner. */
static char *mvs_function_table[MVS_FUNCTION_TABLE_LENGTH] =
static const char *const mvs_function_table[MVS_FUNCTION_TABLE_LENGTH] =
{
#if defined(HOST_EBCDIC) /* Changed for EBCDIC collating sequence */
"ceil", "edc_acos", "edc_asin", "edc_atan", "edc_ata2", "edc_cos",
@ -151,7 +155,7 @@ static char *mvs_function_table[MVS_FUNCTION_TABLE_LENGTH] =
/* ===================================================== */
/* ASCII to EBCDIC conversion table. */
static unsigned char ascebc[256] =
static const unsigned char ascebc[256] =
{
/*00 NL SH SX EX ET NQ AK BL */
0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
@ -204,7 +208,7 @@ static unsigned char ascebc[256] =
};
/* EBCDIC to ASCII conversion table. */
unsigned char ebcasc[256] =
static const unsigned char ebcasc[256] =
{
/*00 NU SH SX EX PF HT LC DL */
0x00, 0x01, 0x02, 0x03, 0x00, 0x09, 0x00, 0x7F,
@ -277,7 +281,7 @@ unsigned char ebcasc[256] =
char
mvs_map_char (c)
char c;
int c;
{
#if defined(TARGET_EBCDIC) && !defined(HOST_EBCDIC)
fprintf (stderr, "mvs_map_char: TE & !HE: c = %02x\n", c);
@ -389,7 +393,7 @@ i370_short_branch (insn)
}
void
i370_label_scan (void)
i370_label_scan ()
{
rtx insn;
label_node_t *lp;
@ -429,7 +433,6 @@ i370_label_scan (void)
if (JUMP_INSN == code)
{
rtx label = JUMP_LABEL (insn);
int labelno;
/* If there is no label for this jump, then this
had better be a ADDR_VEC or an ADDR_DIFF_VEC
@ -442,7 +445,6 @@ i370_label_scan (void)
{
for (j=0; j < XVECLEN (body, 0); j++)
{
int labelno;
rtx lref = XVECEXP (body, 0, j);
if (LABEL_REF != GET_CODE (lref)) abort ();
label = XEXP (lref,0);
@ -476,7 +478,6 @@ i370_label_scan (void)
debug_rtx (insn);
for (j=0; j < XVECLEN (body, 0); j++)
{
int labelno;
}
/* finished with the vector go do next insn */
continue;
@ -551,8 +552,8 @@ i370_label_scan (void)
code, this shouldn't be a problem ...
*/
int
check_label_emit (void)
void
check_label_emit ()
{
if (mvs_need_base_reload)
{
@ -699,7 +700,7 @@ mvs_get_label_page(int id)
label element chain. */
void
mvs_free_label_list (void)
mvs_free_label_list ()
{
if (label_anchor)
@ -806,7 +807,7 @@ mvs_check_page (file, code, lit)
int
mvs_function_check (name)
char *name;
const char *name;
{
int lower, middle, upper;
int i;
@ -830,11 +831,11 @@ mvs_function_check (name)
/* Add the alias to the current alias list. */
int
void
mvs_add_alias (realname, aliasname, emitted)
char *realname;
char *aliasname;
int emitted;
const char *realname;
const char *aliasname;
int emitted;
{
alias_node_t *ap;
@ -850,7 +851,7 @@ mvs_add_alias (realname, aliasname, emitted)
int
mvs_need_alias (realname)
char *realname;
const char *realname;
{
if (mvs_function_check (realname))
return 0;
@ -866,7 +867,7 @@ mvs_need_alias (realname)
int
mvs_get_alias (realname, aliasname)
char *realname;
const char *realname;
char *aliasname;
{
#ifdef LONGEXTERNAL
@ -902,7 +903,7 @@ mvs_get_alias (realname, aliasname)
int
mvs_check_alias (realname, aliasname)
char *realname;
const char *realname;
char *aliasname;
{
#ifdef LONGEXTERNAL
@ -942,18 +943,13 @@ mvs_check_alias (realname, aliasname)
The result is 1 if the pragma was handled. */
int
handle_pragma (finput, node)
FILE *finput;
tree node;
handle_pragma (p_getc, p_ungetc, pname)
int (* p_getc) PARAMS ((void));
void (* p_ungetc) PARAMS ((int));
const char *pname;
{
int retval = 0;
register int c;
register char *pname;
if (TREE_CODE (node) != IDENTIFIER_NODE)
return 0;
pname = IDENTIFIER_POINTER (node);
if (strcmp (pname, "map") == 0)
{
@ -962,20 +958,20 @@ handle_pragma (finput, node)
char *s;
do {
c = getc (finput);
c = p_getc ();
} while (c == ' ' || c == '\t');
if (c == '(')
{
s = realname;
do {
c = getc (finput);
c = p_getc ();
} while (c == ' ' || c == '\t');
if (c == '\n')
goto PRAGMA_WARNING;
do {
*s++ = c;
c = getc (finput);
c = p_getc ();
} while (ISALNUM(c) || c == '_');
if (c == '\n')
goto PRAGMA_WARNING;
@ -983,28 +979,28 @@ handle_pragma (finput, node)
if (c == ' ' || c == '\t')
do {
c = getc (finput);
c = p_getc ();
} while (c == ' ' || c == '\t');
if (c == ',')
{
do {
c = getc (finput);
c = p_getc ();
} while (c == ' ' || c == '\t');
if (c == '"')
{
s = aliasname;
c = getc(finput);
c = p_getc ();
do {
if (c == '\\')
{
int d = 0;
do {
c = getc(finput);
c = p_getc ();
if (c >= '0' && c <= '7')
d = (d << 3) | c - '0';
d = (d << 3) | (c - '0');
} while (c >= '0' && c <= '7');
ungetc (c, finput);
p_ungetc (c);
c = d;
if (d < 1 || d > 255)
warning ("Escape value out of range");
@ -1013,7 +1009,7 @@ handle_pragma (finput, node)
#endif
}
*s++ = c;
c = getc (finput);
c = p_getc ();
if (ISSPACE(c) || c == ')')
goto PRAGMA_WARNING;
} while (c != '"');
@ -1024,7 +1020,7 @@ handle_pragma (finput, node)
aliasname[MAX_MVS_LABEL_SIZE] = '\0';
}
do {
c = getc (finput);
c = p_getc ();
} while (c == ' ' || c == '\t');
if (c == ')')
{
@ -1066,7 +1062,7 @@ handle_pragma (finput, node)
int
mvs_function_check (name)
char *name;
const char *name ATTRIBUTE_UNUSED;
{
return 0;
}
@ -1165,6 +1161,7 @@ r_or_s_operand (op, mode)
The unsigned_jump_follows_p() routine returns a 1 if the next jump
is unsigned. INSN is the current instruction. */
int
unsigned_jump_follows_p (insn)
register rtx insn;
{
@ -1213,7 +1210,6 @@ i370_function_prolog (f, l)
static int function_first = 0;
static int function_year, function_month, function_day;
static int function_hour, function_minute, function_second;
int i;
#if defined(LE370)
if (!function_first)
{
@ -1260,7 +1256,7 @@ i370_function_prolog (f, l)
fprintf (f, "FTIM%03d\tDS\t0F\n", function_label_index);
fprintf (f, "\tDC\tCL4'%d',CL4'%02d%02d',CL6'%02d%02d00'\n",
function_year, function_month, function_day,
function_hour, function_minute, function_second);
function_hour, function_minute);
fprintf (f, "\tDC\tCL2'01',CL4'0100'\n");
fprintf (f, "FENT%03d\tDS\t0H\n", function_label_index);
fprintf (f, "\tSTM\t14,12,12(13)\n");
@ -1396,8 +1392,7 @@ i370_function_prolog (f, frame_size)
{
static int function_label_index = 1;
static int function_first = 0;
int i;
int stackframe_size, soffset, aligned_size;
int stackframe_size, aligned_size;
fprintf (f, "# Function prologue\n");
/* define the stack, put it into its own data segment

12
gcc/config/i370/i370.h
View file

@ -1,5 +1,5 @@
/* Definitions of target machine for GNU compiler. System/370 version.
Copyright (C) 1989, 93, 95, 96, 97, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1989, 93, 95-99, 2000 Free Software Foundation, Inc.
Contributed by Jan Stein (jan@cd.chalmers.se).
Modified for OS/390 LanguageEnvironment C by Dave Pitts (dpitts@cozx.com)
Hacked for Linux-ELF/390 by Linas Vepstas (linas@linas.org)
@ -61,7 +61,7 @@ extern int mvs_function_name_length;
#define TARGET_SWITCHES \
{ { "char-instructions", 1, "Generate char instructions"}, \
{ "no-char-instructions", -1, "Do not generate char instructions"}, \
{ "", TARGET_DEFAULT} }
{ "", TARGET_DEFAULT, 0} }
/* To use IBM supplied macro function prologue and epilogue, define the
following to 1. Should only be needed if IBM changes the definition
@ -152,8 +152,8 @@ extern int mvs_function_name_length;
text can be read. CH is the first character after the #pragma. The
result of the expression is the terminating character found
(newline or EOF). */
#define HANDLE_PRAGMA(FILE, ungetc_unused, NODE) \
handle_pragma ((FILE), (NODE))
#define HANDLE_PRAGMA(GETC, UNGETC, NAME) \
handle_pragma ((GETC), (UNGETC), (NAME))
#endif /* TARGET_HLASM */
/* Define maximum length of page minus page escape overhead. */
@ -392,7 +392,7 @@ enum reg_class
/* Define which registers fit in which classes. This is an initializer for
a vector of HARD_REG_SET of length N_REG_CLASSES. */
#define REG_CLASS_CONTENTS {0, 0x0fffe, 0x0ffff, 0xf0000, 0xfffff}
#define REG_CLASS_CONTENTS {{0}, {0x0fffe}, {0x0ffff}, {0xf0000}, {0xfffff}}
/* The same information, inverted:
Return the class number of the smallest class containing
@ -1016,6 +1016,8 @@ enum reg_class
/* some shifts set the CC some don't. */ \
case ASHIFT: case ASHIFTRT: \
do {} while (0); \
default: \
break; \
} \
} \
} \

9
gcc/config/i370/i370.md
View file

@ -1,5 +1,5 @@
;;- Machine description for GNU compiler -- System/370 version.
;; Copyright (C) 1989, 93, 94, 95, 1997 Free Software Foundation, Inc.
;; Copyright (C) 1989, 93, 94, 95, 97-99, 2000 Free Software Foundation, Inc.
;; Contributed by Jan Stein (jan@cd.chalmers.se).
;; Modified for OS/390 LanguageEnvironment C by Dave Pitts (dpitts@cozx.com)
;; Lots of Bug Fixes & Enhancements by Linas Vepstas (linas@linas.org)
@ -1591,6 +1591,7 @@ check_label_emit ();
if (REG_P (operands[0]))
{
if (REG_P (operands[1]))
{
if (REGNO (operands[0]) != REGNO (operands[1]))
{
mvs_check_page (0, 10, 0);
@ -1598,6 +1599,7 @@ check_label_emit ();
}
else
return \"\"; /* Should be empty. 16-bits regs are always 32-bits. */
}
if (operands[1] == const0_rtx)
{
CC_STATUS_INIT;
@ -1641,7 +1643,7 @@ check_label_emit ();
mvs_check_page (0, 8, 0);
return \"SLL %0,24\;SRA %0,24\";
}
if (s_operand (operands[1]))
if (s_operand (operands[1], GET_MODE (operands[1])))
{
mvs_check_page (0, 8, 0);
return \"ICM %0,8,%1\;SRA %0,24\";
@ -1669,7 +1671,7 @@ check_label_emit ();
mvs_check_page (0, 8, 0);
return \"SLL %0,24\;SRA %0,24\";
}
if (s_operand (operands[1]))
if (s_operand (operands[1], GET_MODE (operands[1])))
{
mvs_check_page (0, 8, 0);
return \"ICM %0,8,%1\;SRA %0,24\";
@ -2718,7 +2720,6 @@ check_label_emit ();
{
rtx dr = gen_reg_rtx (DImode);
rtx dr_0 = gen_rtx_SUBREG (SImode, dr, 0);
rtx dr_1 = gen_rtx_SUBREG (SImode, dr, 1);
emit_insn (gen_rtx_SET (VOIDmode, dr_0, operands[1]));