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Commit f60c7155 by Hans-Peter Nilsson Committed by Hans-Peter Nilsson
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Describe special registers SRP and MOF as allocatable registers. 

	* config/cris/cris.c (cris_md_asm_clobbers): New function.
	(TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
	(cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
	TARGET_HAS_MUL_INSNS.
	(cris_print_operand) <case 'd'>: New case.
	<case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
	* config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
	define.
	(FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
	(REG_ALLOC_ORDER): Update for MOF.
	(enum reg_class): New members MOF_REGS, GENERAL_REGS and
	SPECIAL_REGS.
	(GENERAL_REGS): No longer a define of ALL_REGS.
	(REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
	(PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
	Adjust accordingly.
	(CRIS_SPECIAL_REGS_CONTENTS): New macro.
	(REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
	(SECONDARY_RELOAD_CLASS): Define.
	(STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
	(FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
	(ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
	(STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
	(REGISTER_MOVE_COST): Define.
	(PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
	* config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
	(CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
	(CRIS_MOF_REGNUM): New define_constants.
	("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
	special registers.
	("reload_inhi", "reload_outhi", "reload_inqi",
	("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
	("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
	Adjust for MOF being properly described as a register.
	(indir_to_reg_split): Name this split.  Conditionalize on the
	destination register being a general register.
	(movei): Conditionalize on on operands 0 and 1 having the same
	register class.

From-SVN: r95823
parent 768875a8
Showing with 161 additions and 34 deletions
gcc/ChangeLog
2005-03-03 Hans-Peter Nilsson <hp@axis.com>
Describe special registers SRP and MOF as allocatable registers.
* config/cris/cris.c (cris_md_asm_clobbers): New function.
(TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
(cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
TARGET_HAS_MUL_INSNS.
(cris_print_operand) <case 'd'>: New case.
<case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
* config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
define.
(FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
(REG_ALLOC_ORDER): Update for MOF.
(enum reg_class): New members MOF_REGS, GENERAL_REGS and
SPECIAL_REGS.
(GENERAL_REGS): No longer a define of ALL_REGS.
(REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
(PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
Adjust accordingly.
(CRIS_SPECIAL_REGS_CONTENTS): New macro.
(REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
(SECONDARY_RELOAD_CLASS): Define.
(STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
(FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
(ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
(STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
(REGISTER_MOVE_COST): Define.
(PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
* config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
(CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
(CRIS_MOF_REGNUM): New define_constants.
("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
special registers.
("reload_inhi", "reload_outhi", "reload_inqi",
("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
Adjust for MOF being properly described as a register.
(indir_to_reg_split): Name this split. Conditionalize on the
destination register being a general register.
(movei): Conditionalize on on operands 0 and 1 having the same
register class.
2005-03-03 Alan Modra <amodra@bigpond.net.au> 2005-03-03 Alan Modra <amodra@bigpond.net.au>
PR target/20277 PR target/20277
......
gcc/config/cris/cris.c
...@@ -125,6 +125,7 @@ static bool cris_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode, ...@@ -125,6 +125,7 @@ static bool cris_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
tree, bool); tree, bool);
static int cris_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode, static int cris_arg_partial_bytes (CUMULATIVE_ARGS *, enum machine_mode,
tree, bool); tree, bool);
static tree cris_md_asm_clobbers (tree);
/* This is the argument from the "-max-stack-stackframe=" option. */ /* This is the argument from the "-max-stack-stackframe=" option. */
const char *cris_max_stackframe_str; const char *cris_max_stackframe_str;
...@@ -196,6 +197,8 @@ int cris_cpu_version = CRIS_DEFAULT_CPU_VERSION; ...@@ -196,6 +197,8 @@ int cris_cpu_version = CRIS_DEFAULT_CPU_VERSION;
#define TARGET_PASS_BY_REFERENCE cris_pass_by_reference #define TARGET_PASS_BY_REFERENCE cris_pass_by_reference
#undef TARGET_ARG_PARTIAL_BYTES #undef TARGET_ARG_PARTIAL_BYTES
#define TARGET_ARG_PARTIAL_BYTES cris_arg_partial_bytes #define TARGET_ARG_PARTIAL_BYTES cris_arg_partial_bytes
#undef TARGET_MD_ASM_CLOBBERS
#define TARGET_MD_ASM_CLOBBERS cris_md_asm_clobbers
struct gcc_target targetm = TARGET_INITIALIZER; struct gcc_target targetm = TARGET_INITIALIZER;
...@@ -479,6 +482,9 @@ cris_conditional_register_usage (void) ...@@ -479,6 +482,9 @@ cris_conditional_register_usage (void)
if (flag_pic) if (flag_pic)
fixed_regs[PIC_OFFSET_TABLE_REGNUM] fixed_regs[PIC_OFFSET_TABLE_REGNUM]
= call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; = call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1;
if (TARGET_HAS_MUL_INSNS)
fixed_regs[CRIS_MOF_REGNUM] = 0;
} }
/* Return current_function_uses_pic_offset_table. For use in cris.md, /* Return current_function_uses_pic_offset_table. For use in cris.md,
...@@ -1454,6 +1460,16 @@ cris_print_operand (FILE *file, rtx x, int code) ...@@ -1454,6 +1460,16 @@ cris_print_operand (FILE *file, rtx x, int code)
fprintf (file, INTVAL (operand) < 0 ? "adds.w" : "addq"); fprintf (file, INTVAL (operand) < 0 ? "adds.w" : "addq");
return; return;
case 'd':
/* If this is a GOT symbol, print it as :GOT regardless of -fpic. */
if (flag_pic && CONSTANT_P (operand) && cris_got_symbol (operand))
{
cris_output_addr_const (file, operand);
fprintf (file, ":GOT");
return;
}
break;
case 'D': case 'D':
/* When emitting an sub for the high part of a DImode constant, we /* When emitting an sub for the high part of a DImode constant, we
want to use subq for 0 and subs.w for -1. */ want to use subq for 0 and subs.w for -1. */
...@@ -1488,7 +1504,9 @@ cris_print_operand (FILE *file, rtx x, int code) ...@@ -1488,7 +1504,9 @@ cris_print_operand (FILE *file, rtx x, int code)
switch (GET_CODE (operand)) switch (GET_CODE (operand))
{ {
case REG: case REG:
if (REGNO (operand) > 15) if (REGNO (operand) > 15
&& REGNO (operand) != CRIS_MOF_REGNUM
&& REGNO (operand) != CRIS_SRP_REGNUM)
internal_error ("internal error: bad register: %d", REGNO (operand)); internal_error ("internal error: bad register: %d", REGNO (operand));
fprintf (file, "$%s", reg_names[REGNO (operand)]); fprintf (file, "$%s", reg_names[REGNO (operand)]);
return; return;
...@@ -3039,6 +3057,16 @@ cris_arg_partial_bytes (CUMULATIVE_ARGS *ca, enum machine_mode mode, ...@@ -3039,6 +3057,16 @@ cris_arg_partial_bytes (CUMULATIVE_ARGS *ca, enum machine_mode mode,
return 0; return 0;
} }
/* Worker function for TARGET_MD_ASM_CLOBBERS. */
static tree
cris_md_asm_clobbers (tree clobbers)
{
return tree_cons (NULL_TREE,
build_string (strlen (reg_names[CRIS_MOF_REGNUM]),
reg_names[CRIS_MOF_REGNUM]),
clobbers);
}
#if 0 #if 0
/* Various small functions to replace macros. Only called from a /* Various small functions to replace macros. Only called from a
......
gcc/config/cris/cris.h
...@@ -50,12 +50,10 @@ Boston, MA 02111-1307, USA. */ ...@@ -50,12 +50,10 @@ Boston, MA 02111-1307, USA. */
#define CRIS_FIRST_ARG_REG 10 #define CRIS_FIRST_ARG_REG 10
#define CRIS_MAX_ARGS_IN_REGS 4 #define CRIS_MAX_ARGS_IN_REGS 4
/* Other convenience definitions. */ /* See also *_REGNUM constants in cris.md. */
#define CRIS_PC_REGNUM 15
#define CRIS_SRP_REGNUM 16
/* Most of the time, we need the index into the register-names array. /* Most of the time, we need the index into the register-names array.
When passing debug-info, we need the real register number. */ When passing debug-info, we need the real hardware register number. */
#define CRIS_CANONICAL_SRP_REGNUM (16 + 11) #define CRIS_CANONICAL_SRP_REGNUM (16 + 11)
#define CRIS_CANONICAL_MOF_REGNUM (16 + 7) #define CRIS_CANONICAL_MOF_REGNUM (16 + 7)
...@@ -602,9 +600,9 @@ extern int target_flags; ...@@ -602,9 +600,9 @@ extern int target_flags;
/* Node: Register Basics */ /* Node: Register Basics */
/* We count all 16 non-special registers, SRP and a faked argument /* We count all 16 non-special registers, SRP, a faked argument
pointer register. */ pointer register and MOF. */
#define FIRST_PSEUDO_REGISTER (16 + 1 + 1) #define FIRST_PSEUDO_REGISTER (16 + 1 + 1 + 1)
/* For CRIS, these are r15 (pc) and r14 (sp). Register r8 is used as a /* For CRIS, these are r15 (pc) and r14 (sp). Register r8 is used as a
frame-pointer, but is not fixed. SRP is not included in general frame-pointer, but is not fixed. SRP is not included in general
...@@ -612,12 +610,12 @@ extern int target_flags; ...@@ -612,12 +610,12 @@ extern int target_flags;
registers are fixed at the moment. The faked argument pointer register registers are fixed at the moment. The faked argument pointer register
is fixed too. */ is fixed too. */
#define FIXED_REGISTERS \ #define FIXED_REGISTERS \
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1} {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1}
/* Register r9 is used for structure-address, r10-r13 for parameters, /* Register r9 is used for structure-address, r10-r13 for parameters,
r10- for return values. */ r10- for return values. */
#define CALL_USED_REGISTERS \ #define CALL_USED_REGISTERS \
{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1} {0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1}
#define CONDITIONAL_REGISTER_USAGE cris_conditional_register_usage () #define CONDITIONAL_REGISTER_USAGE cris_conditional_register_usage ()
...@@ -643,7 +641,7 @@ extern int target_flags; ...@@ -643,7 +641,7 @@ extern int target_flags;
Use struct-return address first, since very few functions use Use struct-return address first, since very few functions use
structure return values so it is likely to be available. */ structure return values so it is likely to be available. */
#define REG_ALLOC_ORDER \ #define REG_ALLOC_ORDER \
{9, 13, 12, 11, 10, 0, 1, 2, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17} {9, 13, 12, 11, 10, 0, 1, 2, 3, 4, 5, 6, 7, 8, 14, 15, 18, 16, 17}
/* Node: Values in Registers */ /* Node: Values in Registers */
...@@ -674,27 +672,46 @@ extern int target_flags; ...@@ -674,27 +672,46 @@ extern int target_flags;
class for special registers, and yet another class for the class for special registers, and yet another class for the
multiply-overflow register in v10; then a class for the return multiply-overflow register in v10; then a class for the return
register also makes sense. */ register also makes sense. */
enum reg_class {NO_REGS, ALL_REGS, LIM_REG_CLASSES}; enum reg_class
{
NO_REGS,
MOF_REGS, SPECIAL_REGS, GENERAL_REGS, ALL_REGS,
LIM_REG_CLASSES
};
#define N_REG_CLASSES (int) LIM_REG_CLASSES #define N_REG_CLASSES (int) LIM_REG_CLASSES
#define REG_CLASS_NAMES {"NO_REGS", "ALL_REGS"} #define REG_CLASS_NAMES \
{"NO_REGS", "MOF_REGS", "SPECIAL_REGS", "GENERAL_REGS", "ALL_REGS"}
#define GENERAL_REGS ALL_REGS #define CRIS_SPECIAL_REGS_CONTENTS \
((1 << CRIS_SRP_REGNUM) | (1 << CRIS_MOF_REGNUM))
/* Count in the faked argument register in GENERAL_REGS. Keep out SRP. */ /* Count in the faked argument register in GENERAL_REGS. Keep out SRP. */
#define REG_CLASS_CONTENTS {{0}, {0x2ffff}} #define REG_CLASS_CONTENTS \
{ \
#define REGNO_REG_CLASS(REGNO) GENERAL_REGS {0}, \
{1 << CRIS_MOF_REGNUM}, \
{CRIS_SPECIAL_REGS_CONTENTS}, \
{0x2ffff}, \
{0x2ffff | CRIS_SPECIAL_REGS_CONTENTS} \
}
#define REGNO_REG_CLASS(REGNO) \
((REGNO) == CRIS_MOF_REGNUM ? MOF_REGS : \
(REGNO) == CRIS_SRP_REGNUM ? SPECIAL_REGS : \
GENERAL_REGS)
#define BASE_REG_CLASS GENERAL_REGS #define BASE_REG_CLASS GENERAL_REGS
#define INDEX_REG_CLASS GENERAL_REGS #define INDEX_REG_CLASS GENERAL_REGS
/* Get reg_class from a letter such as appears in the machine #define REG_CLASS_FROM_LETTER(C) \
description. No letters are used, since 'r' is used for any ( \
register. */ (C) == 'h' ? MOF_REGS : \
#define REG_CLASS_FROM_LETTER(C) NO_REGS (C) == 'x' ? SPECIAL_REGS : \
NO_REGS \
)
/* Since it uses reg_renumber, it is safe only once reg_renumber /* Since it uses reg_renumber, it is safe only once reg_renumber
has been allocated, which happens in local-alloc.c. */ has been allocated, which happens in local-alloc.c. */
...@@ -710,9 +727,23 @@ enum reg_class {NO_REGS, ALL_REGS, LIM_REG_CLASSES}; ...@@ -710,9 +727,23 @@ enum reg_class {NO_REGS, ALL_REGS, LIM_REG_CLASSES};
/* It seems like gcc (2.7.2 and 2.9x of 2000-03-22) may send "NO_REGS" as /* It seems like gcc (2.7.2 and 2.9x of 2000-03-22) may send "NO_REGS" as
the class for a constant (testcase: __Mul in arit.c). To avoid forcing the class for a constant (testcase: __Mul in arit.c). To avoid forcing
out a constant into the constant pool, we will trap this case and out a constant into the constant pool, we will trap this case and
return something a bit more sane. FIXME: Check if this is a bug. */ return something a bit more sane. FIXME: Check if this is a bug.
#define PREFERRED_RELOAD_CLASS(X, CLASS) \ Beware that we must not "override" classes that can be specified as
((CLASS) == NO_REGS ? GENERAL_REGS : (CLASS)) constraint letters, or else asm operands using them will fail when
they need to be reloaded. FIXME: Investigate whether that constitutes
a bug. */
#define PREFERRED_RELOAD_CLASS(X, CLASS) \
((CLASS) != MOF_REGS \
&& (CLASS) != SPECIAL_REGS \
? GENERAL_REGS : (CLASS))
/* We can't move special registers to and from memory in smaller than
word_mode. */
#define SECONDARY_RELOAD_CLASS(CLASS, MODE, X) \
(((CLASS) != SPECIAL_REGS && (CLASS) != MOF_REGS) \
|| GET_MODE_SIZE (MODE) == 4 \
|| GET_CODE (X) != MEM \
? NO_REGS : GENERAL_REGS)
/* For CRIS, this is always the size of MODE in words, /* For CRIS, this is always the size of MODE in words,
since all registers are the same size. To use omitted modes in since all registers are the same size. To use omitted modes in
...@@ -884,17 +915,17 @@ enum reg_class {NO_REGS, ALL_REGS, LIM_REG_CLASSES}; ...@@ -884,17 +915,17 @@ enum reg_class {NO_REGS, ALL_REGS, LIM_REG_CLASSES};
/* Node: Frame Registers */ /* Node: Frame Registers */
#define STACK_POINTER_REGNUM 14 #define STACK_POINTER_REGNUM CRIS_SP_REGNUM
/* Register used for frame pointer. This is also the last of the saved /* Register used for frame pointer. This is also the last of the saved
registers, when a frame pointer is not used. */ registers, when a frame pointer is not used. */
#define FRAME_POINTER_REGNUM 8 #define FRAME_POINTER_REGNUM CRIS_FP_REGNUM
/* Faked register, is always eliminated. We need it to eliminate /* Faked register, is always eliminated. We need it to eliminate
allocating stack slots for the return address and the frame pointer. */ allocating stack slots for the return address and the frame pointer. */
#define ARG_POINTER_REGNUM 17 #define ARG_POINTER_REGNUM CRIS_AP_REGNUM
#define STATIC_CHAIN_REGNUM 7 #define STATIC_CHAIN_REGNUM CRIS_STATIC_CHAIN_REGNUM
/* Node: Elimination */ /* Node: Elimination */
...@@ -1288,8 +1319,32 @@ struct cum_args {int regs;}; ...@@ -1288,8 +1319,32 @@ struct cum_args {int regs;};
/* Node: Costs */ /* Node: Costs */
/* FIXME: Need to define REGISTER_MOVE_COST when more register classes are /* Can't move to and from a SPECIAL_REGS register, so we have to say
introduced. */ their move cost within that class is higher. How about 7? That's 3
for a move to a GENERAL_REGS register, 3 for the move from the
GENERAL_REGS register, and 1 for the increased register pressure.
Also, it's higher than the memory move cost, which is in order.
We also do this for ALL_REGS, since we don't want that class to be
preferred (even to memory) at all where GENERAL_REGS doesn't fit.
Whenever it's about to be used, it's for SPECIAL_REGS. If we don't
present a higher cost for ALL_REGS than memory, a SPECIAL_REGS may be
used when a GENERAL_REGS should be used, even if there are call-saved
GENERAL_REGS left to allocate. This is because the fall-back when
the most preferred register class isn't available, isn't the next
(or next good) wider register class, but the *most widest* register
class.
Give the cost 3 between a special register and a general register,
because we want constraints verified. */
#define REGISTER_MOVE_COST(MODE, FROM, TO) \
((((FROM) == SPECIAL_REGS || (FROM) == MOF_REGS) \
&& ((TO) == SPECIAL_REGS || (TO) == MOF_REGS)) \
|| (FROM) == ALL_REGS \
|| (TO) == ALL_REGS \
? 7 : \
((FROM) == SPECIAL_REGS || (FROM) == MOF_REGS \
|| (TO) == SPECIAL_REGS || (TO) == MOF_REGS) \
? 3 : 2)
/* This isn't strictly correct for v0..3 in buswidth-8bit mode, but /* This isn't strictly correct for v0..3 in buswidth-8bit mode, but
should suffice. */ should suffice. */
...@@ -1323,7 +1378,7 @@ struct cum_args {int regs;}; ...@@ -1323,7 +1378,7 @@ struct cum_args {int regs;};
/* Node: PIC */ /* Node: PIC */
#define PIC_OFFSET_TABLE_REGNUM (flag_pic ? 0 : INVALID_REGNUM) #define PIC_OFFSET_TABLE_REGNUM (flag_pic ? CRIS_GOT_REGNUM : INVALID_REGNUM)
#define LEGITIMATE_PIC_OPERAND_P(X) cris_legitimate_pic_operand (X) #define LEGITIMATE_PIC_OPERAND_P(X) cris_legitimate_pic_operand (X)
...@@ -1439,7 +1494,7 @@ struct cum_args {int regs;}; ...@@ -1439,7 +1494,7 @@ struct cum_args {int regs;};
#define REGISTER_NAMES \ #define REGISTER_NAMES \
{"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", \ {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", \
"r9", "r10", "r11", "r12", "r13", "sp", "pc", "srp", "faked_ap"} "r9", "r10", "r11", "r12", "r13", "sp", "pc", "srp", "faked_ap", "mof"}
#define ADDITIONAL_REGISTER_NAMES \ #define ADDITIONAL_REGISTER_NAMES \
{{"r14", 14}, {"r15", 15}} {{"r14", 14}, {"r15", 15}}
...@@ -1525,8 +1580,10 @@ struct cum_args {int regs;}; ...@@ -1525,8 +1580,10 @@ struct cum_args {int regs;};
/* Node: All Debuggers */ /* Node: All Debuggers */
#define DBX_REGISTER_NUMBER(REGNO) \ #define DBX_REGISTER_NUMBER(REGNO) \
((REGNO) == CRIS_SRP_REGNUM ? CRIS_CANONICAL_SRP_REGNUM : (REGNO)) ((REGNO) == CRIS_SRP_REGNUM ? CRIS_CANONICAL_SRP_REGNUM : \
(REGNO) == CRIS_MOF_REGNUM ? CRIS_CANONICAL_MOF_REGNUM : \
(REGNO))
/* FIXME: Investigate DEBUGGER_AUTO_OFFSET, DEBUGGER_ARG_OFFSET. */ /* FIXME: Investigate DEBUGGER_AUTO_OFFSET, DEBUGGER_ARG_OFFSET. */
......
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