* config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
(TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45) (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32) (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE) (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT) (TARGET_UNIX_ASM): Delete. (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45. * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM. * config/pdp11/pdp11.c (pdp11_handle_option): New function. (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults. * config/pdp11/pdp11.opt: New file. From-SVN: r97525
This commit is contained in:
Richard Sandiford
Richard Sandiford
parent
283da5df2d
commit
06ed4795b4
|
|
@ -1,3 +1,17 @@
|
|||
2005-04-04 Richard Sandiford <rsandifo@redhat.com>
|
||||
|
||||
* config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
|
||||
(TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
|
||||
(TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
|
||||
(TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
|
||||
(TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
|
||||
(TARGET_UNIX_ASM): Delete.
|
||||
(TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
|
||||
* config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
|
||||
* config/pdp11/pdp11.c (pdp11_handle_option): New function.
|
||||
(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
|
||||
* config/pdp11/pdp11.opt: New file.
|
||||
|
||||
2005-04-03 Roger Sayle <roger@eyesopen.com>
|
||||
Alexandre Oliva <aoliva@redhat.com>
|
||||
|
||||
|
|
|
|||
|
|
@ -63,4 +63,4 @@ fprintf (STREAM, "~~%s:\n", NAME); \
|
|||
} while (0)
|
||||
|
||||
#undef TARGET_UNIX_ASM_DEFAULT
|
||||
#define TARGET_UNIX_ASM_DEFAULT 2048
|
||||
#define TARGET_UNIX_ASM_DEFAULT MASK_UNIX_ASM
|
||||
|
|
|
|||
|
|
@ -138,6 +138,7 @@ decode_pdp11_d (const struct real_format *fmt ATTRIBUTE_UNUSED,
|
|||
/* This is where the condition code register lives. */
|
||||
/* rtx cc0_reg_rtx; - no longer needed? */
|
||||
|
||||
static bool pdp11_handle_option (size_t, const char *, int);
|
||||
static rtx find_addr_reg (rtx);
|
||||
static const char *singlemove_string (rtx *);
|
||||
static bool pdp11_assemble_integer (rtx, unsigned int, int);
|
||||
|
|
@ -166,6 +167,12 @@ static bool pdp11_return_in_memory (tree, tree);
|
|||
#undef TARGET_ASM_CLOSE_PAREN
|
||||
#define TARGET_ASM_CLOSE_PAREN "]"
|
||||
|
||||
#undef TARGET_DEFAULT_TARGET_FLAGS
|
||||
#define TARGET_DEFAULT_TARGET_FLAGS \
|
||||
(MASK_FPU | MASK_45 | MASK_ABSHI_BUILTIN | TARGET_UNIX_ASM_DEFAULT)
|
||||
#undef TARGET_HANDLE_OPTION
|
||||
#define TARGET_HANDLE_OPTION pdp11_handle_option
|
||||
|
||||
#undef TARGET_RTX_COSTS
|
||||
#define TARGET_RTX_COSTS pdp11_rtx_costs
|
||||
|
||||
|
|
@ -174,6 +181,23 @@ static bool pdp11_return_in_memory (tree, tree);
|
|||
|
||||
struct gcc_target targetm = TARGET_INITIALIZER;
|
||||
|
||||
/* Implement TARGET_HANDLE_OPTION. */
|
||||
|
||||
static bool
|
||||
pdp11_handle_option (size_t code, const char *arg ATTRIBUTE_UNUSED,
|
||||
int value ATTRIBUTE_UNUSED)
|
||||
{
|
||||
switch (code)
|
||||
{
|
||||
case OPT_m10:
|
||||
target_flags &= ~(MASK_40 | MASK_45);
|
||||
return true;
|
||||
|
||||
default:
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
/* Nonzero if OP is a valid second operand for an arithmetic insn. */
|
||||
|
||||
int
|
||||
|
|
|
|||
|
|
@ -45,91 +45,9 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
/* #define DBX_DEBUGGING_INFO */
|
||||
|
||||
/* Run-time compilation parameters selecting different hardware subsets.
|
||||
*/
|
||||
|
||||
extern int target_flags;
|
||||
|
||||
/* Macro to define tables used to set the flags.
|
||||
This is a list in braces of triplets in braces,
|
||||
each triplet being { "NAME", VALUE, DOC }
|
||||
where VALUE is the bits to set or minus the bits to clear and DOC
|
||||
is the documentation for --help (NULL if intentionally undocumented).
|
||||
An empty string NAME is used to identify the default VALUE. */
|
||||
|
||||
#define TARGET_SWITCHES \
|
||||
{ { "fpu", 1, N_("Use hardware floating point") }, \
|
||||
{ "soft-float", -1, N_("Do not use hardware floating point") }, \
|
||||
/* return float result in ac0 */ \
|
||||
{ "ac0", 2, N_("Return floating point results in ac0") }, \
|
||||
{ "no-ac0", -2, N_("Return floating point results in memory") }, \
|
||||
/* is 11/40 */ \
|
||||
{ "40", 4, N_("Generate code for an 11/40") }, \
|
||||
{ "no-40", -4, "" }, \
|
||||
/* is 11/45 */ \
|
||||
{ "45", 8, N_("Generate code for an 11/45") }, \
|
||||
{ "no-45", -8, "" }, \
|
||||
/* is 11/10 */ \
|
||||
{ "10", -12, N_("Generate code for an 11/10") }, \
|
||||
/* use movmemhi for bcopy */ \
|
||||
{ "bcopy", 16, NULL }, \
|
||||
{ "bcopy-builtin", -16, NULL }, \
|
||||
/* use 32 bit for int */ \
|
||||
{ "int32", 32, N_("Use 32 bit int") }, \
|
||||
{ "no-int16", 32, N_("Use 32 bit int") }, \
|
||||
{ "int16", -32, N_("Use 16 bit int") }, \
|
||||
{ "no-int32", -32, N_("Use 16 bit int") }, \
|
||||
/* use 32 bit for float */ \
|
||||
{ "float32", 64, N_("Use 32 bit float") }, \
|
||||
{ "no-float64", 64, N_("Use 32 bit float") }, \
|
||||
{ "float64", -64, N_("Use 64 bit float") }, \
|
||||
{ "no-float32", -64, N_("Use 64 bit float") }, \
|
||||
/* allow abshi pattern? - can trigger "optimizations" which make code SLOW! */\
|
||||
{ "abshi", 128, NULL }, \
|
||||
{ "no-abshi", -128, NULL }, \
|
||||
/* is branching expensive - on a PDP, it's actually really cheap */ \
|
||||
/* this is just to play around and check what code gcc generates */ \
|
||||
{ "branch-expensive", 256, NULL }, \
|
||||
{ "branch-cheap", -256, NULL }, \
|
||||
/* split instruction and data memory? */ \
|
||||
{ "split", 1024, N_("Target has split I&D") }, \
|
||||
{ "no-split", -1024, N_("Target does not have split I&D") }, \
|
||||
/* UNIX assembler syntax? */ \
|
||||
{ "unix-asm", 2048, N_("Use UNIX assembler syntax") }, \
|
||||
{ "dec-asm", -2048, N_("Use DEC assembler syntax") }, \
|
||||
/* default */ \
|
||||
{ "", TARGET_DEFAULT, NULL} \
|
||||
}
|
||||
|
||||
#define TARGET_DEFAULT (1 | 8 | 128 | TARGET_UNIX_ASM_DEFAULT)
|
||||
|
||||
#define TARGET_FPU (target_flags & 1)
|
||||
#define TARGET_SOFT_FLOAT (!TARGET_FPU)
|
||||
|
||||
#define TARGET_AC0 ((target_flags & 2) && TARGET_FPU)
|
||||
#define TARGET_NO_AC0 (! TARGET_AC0)
|
||||
|
||||
#define TARGET_45 (target_flags & 8)
|
||||
#define TARGET_40_PLUS ((target_flags & 4) || (target_flags & 8))
|
||||
#define TARGET_40_PLUS (TARGET_40 || TARGET_45)
|
||||
#define TARGET_10 (! TARGET_40_PLUS)
|
||||
|
||||
#define TARGET_BCOPY_BUILTIN (! (target_flags & 16))
|
||||
|
||||
#define TARGET_INT16 (! TARGET_INT32)
|
||||
#define TARGET_INT32 (target_flags & 32)
|
||||
|
||||
#define TARGET_FLOAT32 (target_flags & 64)
|
||||
#define TARGET_FLOAT64 (! TARGET_FLOAT32)
|
||||
|
||||
#define TARGET_ABSHI_BUILTIN (target_flags & 128)
|
||||
|
||||
#define TARGET_BRANCH_EXPENSIVE (target_flags & 256)
|
||||
#define TARGET_BRANCH_CHEAP (!TARGET_BRANCH_EXPENSIVE)
|
||||
|
||||
#define TARGET_SPLIT (target_flags & 1024)
|
||||
#define TARGET_NOSPLIT (! TARGET_SPLIT)
|
||||
|
||||
#define TARGET_UNIX_ASM (target_flags & 2048)
|
||||
#define TARGET_UNIX_ASM_DEFAULT 0
|
||||
|
||||
#define ASSEMBLER_DIALECT (TARGET_UNIX_ASM ? 1 : 0)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,92 @@
|
|||
; Options for the PDP11 port of the compiler.
|
||||
|
||||
; Copyright (C) 2005 Free Software Foundation, Inc.
|
||||
;
|
||||
; This file is part of GCC.
|
||||
;
|
||||
; GCC 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.
|
||||
;
|
||||
; GCC 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 GCC; see the file COPYING. If not, write to the Free
|
||||
; Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
||||
; 02111-1307, USA.
|
||||
|
||||
m10
|
||||
Target RejectNegative
|
||||
Generate code for an 11/10
|
||||
|
||||
m40
|
||||
Target Report Mask(40)
|
||||
Generate code for an 11/40
|
||||
|
||||
m45
|
||||
Target Report Mask(45)
|
||||
Generate code for an 11/45
|
||||
|
||||
mabshi
|
||||
Target Report Mask(ABSHI_BUILTIN)
|
||||
Use 16-bit abs patterns
|
||||
|
||||
mac0
|
||||
Target Report Mask(AC0)
|
||||
Return floating-point results in ac0 (fr0 in Unix assembler syntax)
|
||||
|
||||
mbcopy
|
||||
Target RejectNegative Report Mask(BCOPY)
|
||||
Do not use inline patterns for copying memory
|
||||
|
||||
mbcopy-builtin
|
||||
Target RejectNegative Report InverseMask(BCOPY, BCOPY_BUILTIN)
|
||||
Use inline patterns for copying memory
|
||||
|
||||
mbranch-cheap
|
||||
Target RejectNegative Report InverseMask(BRANCH_EXPENSIVE, BRANCH_CHEAP)
|
||||
Do not pretend that branches are expensive
|
||||
|
||||
mbranch-expensive
|
||||
Target RejectNegative Report Mask(BRANCH_EXPENSIVE)
|
||||
Pretend that branches are expensive
|
||||
|
||||
mdec-asm
|
||||
Target RejectNegative Report InverseMask(UNIX_ASM)
|
||||
Use the DEC assembler syntax
|
||||
|
||||
mfloat32
|
||||
Target Report Mask(FLOAT32)
|
||||
Use 32 bit float
|
||||
|
||||
mfloat64
|
||||
Target Report InverseMask(FLOAT32, FLOAT64)
|
||||
Use 64 bit float
|
||||
|
||||
mfpu
|
||||
Target RejectNegative Report Mask(FPU)
|
||||
Use hardware floating point
|
||||
|
||||
mint16
|
||||
Target Report InverseMask(INT32, INT16)
|
||||
Use 16 bit int
|
||||
|
||||
mint32
|
||||
Target Report Mask(INT32)
|
||||
Use 32 bit int
|
||||
|
||||
msoft-float
|
||||
Target RejectNegative Report InverseMask(FPU, SOFT_FLOAT)
|
||||
Do not use hardware floating point
|
||||
|
||||
msplit
|
||||
Target Report Mask(SPLIT)
|
||||
Target has split I&D
|
||||
|
||||
munix-asm
|
||||
Target RejectNegative Report Mask(UNIX_ASM)
|
||||
Use UNIX assembler syntax
|
||||
Loading…
Reference in New Issue