[ARC] Cleanup sdata handling.

Clean up how we handle small data load/store operations.

gcc/
2018-01-18  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc-protos.h (prepare_extend_operands): Remove.
	(small_data_pattern): Likewise.
	(arc_rewrite_small_data): Likewise.
	* config/arc/arc.c (LEGITIMATE_SMALL_DATA_OFFSET_P): Remove.
	(LEGITIMATE_SMALL_DATA_ADDRESS_P): Likewise.
	(get_symbol_alignment): New function.
	(legitimate_small_data_address_p): Likewise.
	(legitimate_scaled_address): Update, call
	legitimate_small_data_address_p.
	(output_sdata): New static variable.
	(arc_print_operand): Update how we handle small data operands.
	(arc_print_operand_address): Likewise.
	(arc_legitimate_address_p): Update, use
	legitimate_small_data_address_p.
	(arc_rewrite_small_data_p): Remove.
	(arc_rewrite_small_data_1): Likewise.
	(arc_rewrite_small_data): Likewise.
	(small_data_pattern): Likewise.
	(compact_sda_memory_operand): Update to use
	legitimate_small_data_address_p and get_symbol_alignment.
	(prepare_move_operands): Don't rewite sdata pattern.
	(prepare_extend_operands): Remove.
	* config/arc/arc.md (zero_extendqihi2): Don't rewrite sdata
	pattern.
	(zero_extendqisi2): Likewise.
	(zero_extendhisi2): Likewise.
	(extendqihi2): Likewise.
	(extendqisi2): Likewise.
	(extendhisi2): Likewise.
	(addsi3): Likewise.
	(subsi3): Likewise.
	(andsi3): Likewise.
	* config/arc/constraints.md (Usd): Change it to memory constraint.

gcc/testsuite
2018-01-18  Claudiu Zissulescu  <claziss@synopsys.com>

	* gcc.target/arc/interrupt-8.c: Update test.
	* gcc.target/arc/loop-4.c: Likewise.
	* gcc.target/arc/loop-hazard-1.c: Likewise.
	* gcc.target/arc/sdata-3.c: Likewise.

From-SVN: r259763
This commit is contained in:
Claudiu Zissulescu 2018-04-30 15:16:09 +02:00 committed by Claudiu Zissulescu
parent 2295aa7522
commit e0be3321b9
10 changed files with 153 additions and 248 deletions

View File

@ -1,3 +1,39 @@
2018-04-30 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h (prepare_extend_operands): Remove.
(small_data_pattern): Likewise.
(arc_rewrite_small_data): Likewise.
* config/arc/arc.c (LEGITIMATE_SMALL_DATA_OFFSET_P): Remove.
(LEGITIMATE_SMALL_DATA_ADDRESS_P): Likewise.
(get_symbol_alignment): New function.
(legitimate_small_data_address_p): Likewise.
(legitimate_scaled_address): Update, call
legitimate_small_data_address_p.
(output_sdata): New static variable.
(arc_print_operand): Update how we handle small data operands.
(arc_print_operand_address): Likewise.
(arc_legitimate_address_p): Update, use
legitimate_small_data_address_p.
(arc_rewrite_small_data_p): Remove.
(arc_rewrite_small_data_1): Likewise.
(arc_rewrite_small_data): Likewise.
(small_data_pattern): Likewise.
(compact_sda_memory_operand): Update to use
legitimate_small_data_address_p and get_symbol_alignment.
(prepare_move_operands): Don't rewite sdata pattern.
(prepare_extend_operands): Remove.
* config/arc/arc.md (zero_extendqihi2): Don't rewrite sdata
pattern.
(zero_extendqisi2): Likewise.
(zero_extendhisi2): Likewise.
(extendqihi2): Likewise.
(extendqisi2): Likewise.
(extendhisi2): Likewise.
(addsi3): Likewise.
(subsi3): Likewise.
(andsi3): Likewise.
* config/arc/constraints.md (Usd): Change it to memory constraint.
2018-04-30 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (arc_split_move): Allow signed 6-bit constants

View File

@ -33,8 +33,6 @@ extern void arc_print_operand (FILE *, rtx, int);
extern void arc_print_operand_address (FILE *, rtx);
extern void arc_final_prescan_insn (rtx_insn *, rtx *, int);
extern const char *arc_output_libcall (const char *);
extern bool prepare_extend_operands (rtx *operands, enum rtx_code code,
machine_mode omode);
extern int arc_output_addsi (rtx *operands, bool, bool);
extern int arc_output_commutative_cond_exec (rtx *operands, bool);
extern bool arc_expand_movmem (rtx *operands);
@ -65,8 +63,6 @@ extern bool arc_raw_symbolic_reference_mentioned_p (rtx, bool);
extern bool arc_is_longcall_p (rtx);
extern bool arc_is_shortcall_p (rtx);
extern bool valid_brcc_with_delay_p (rtx *);
extern bool small_data_pattern (rtx , machine_mode);
extern rtx arc_rewrite_small_data (rtx);
extern bool arc_ccfsm_cond_exec_p (void);
struct secondary_reload_info;
extern int arc_register_move_cost (machine_mode, enum reg_class,

View File

@ -96,22 +96,6 @@ HARD_REG_SET overrideregs;
? 0 \
: -(-GET_MODE_SIZE (MODE) | -4) >> 1)))
#define LEGITIMATE_SMALL_DATA_OFFSET_P(X) \
(GET_CODE (X) == CONST \
&& GET_CODE (XEXP ((X), 0)) == PLUS \
&& GET_CODE (XEXP (XEXP ((X), 0), 0)) == SYMBOL_REF \
&& SYMBOL_REF_SMALL_P (XEXP (XEXP ((X), 0), 0)) \
&& GET_CODE (XEXP(XEXP ((X), 0), 1)) == CONST_INT \
&& INTVAL (XEXP (XEXP ((X), 0), 1)) <= g_switch_value)
#define LEGITIMATE_SMALL_DATA_ADDRESS_P(X) \
(GET_CODE (X) == PLUS \
&& REG_P (XEXP ((X), 0)) \
&& REGNO (XEXP ((X), 0)) == SDATA_BASE_REGNUM \
&& ((GET_CODE (XEXP ((X), 1)) == SYMBOL_REF \
&& SYMBOL_REF_SMALL_P (XEXP ((X), 1))) \
|| LEGITIMATE_SMALL_DATA_OFFSET_P (XEXP ((X), 1))))
/* Array of valid operand punctuation characters. */
char arc_punct_chars[256];
@ -308,6 +292,60 @@ static bool arc_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
/* Globally visible information about currently selected cpu. */
const arc_cpu_t *arc_selected_cpu;
/* Given a symbol RTX (const (symb <+ const_int>), returns its
alignment. */
static int
get_symbol_alignment (rtx x)
{
tree decl = NULL_TREE;
int align = 0;
switch (GET_CODE (x))
{
case SYMBOL_REF:
decl = SYMBOL_REF_DECL (x);
break;
case CONST:
return get_symbol_alignment (XEXP (x, 0));
case PLUS:
gcc_assert (CONST_INT_P (XEXP (x, 1)));
return get_symbol_alignment (XEXP (x, 0));
default:
return 0;
}
if (decl)
align = DECL_ALIGN (decl);
align = align / BITS_PER_UNIT;
return align;
}
/* Return true if x is ok to be used as a small data address. */
static bool
legitimate_small_data_address_p (rtx x)
{
switch (GET_CODE (x))
{
case CONST:
return legitimate_small_data_address_p (XEXP (x, 0));
case SYMBOL_REF:
return SYMBOL_REF_SMALL_P (x);
case PLUS:
{
bool p0 = (GET_CODE (XEXP (x, 0)) == SYMBOL_REF)
&& SYMBOL_REF_SMALL_P (XEXP (x, 0));
bool p1 = CONST_INT_P (XEXP (x, 1))
&& (INTVAL (XEXP (x, 1)) <= g_switch_value);
return p0 && p1;
}
default:
return false;
}
}
/* TRUE if op is an scaled address. */
static bool
legitimate_scaled_address_p (machine_mode mode, rtx op, bool strict)
{
@ -352,14 +390,13 @@ legitimate_scaled_address_p (machine_mode mode, rtx op, bool strict)
return true;
return false;
}
/* Scalled addresses for sdata is done other places. */
if (legitimate_small_data_address_p (op))
return false;
if (CONSTANT_P (XEXP (op, 1)))
{
/* Scalled addresses for sdata is done other places. */
if (GET_CODE (XEXP (op, 1)) == SYMBOL_REF
&& SYMBOL_REF_SMALL_P (XEXP (op, 1)))
return false;
return true;
}
return false;
}
@ -3762,6 +3799,9 @@ arc_add_jli_section (rtx pat)
reset when we output the scaled address. */
static int output_scaled = 0;
/* Set when we force sdata output. */
static int output_sdata = 0;
/* Print operand X (an rtx) in assembler syntax to file FILE.
CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
For `%' followed by punctuation, CODE is the punctuation and X is null. */
@ -4114,24 +4154,24 @@ arc_print_operand (FILE *file, rtx x, int code)
fputs (".as", file);
output_scaled = 1;
}
else if (LEGITIMATE_SMALL_DATA_ADDRESS_P (addr)
&& GET_MODE_SIZE (GET_MODE (x)) > 1)
break;
case SYMBOL_REF:
case CONST:
if (legitimate_small_data_address_p (addr)
&& GET_MODE_SIZE (GET_MODE (x)) > 1)
{
tree decl = NULL_TREE;
int align = 0;
if (GET_CODE (XEXP (addr, 1)) == SYMBOL_REF)
decl = SYMBOL_REF_DECL (XEXP (addr, 1));
else if (GET_CODE (XEXP (XEXP (XEXP (addr, 1), 0), 0))
== SYMBOL_REF)
decl = SYMBOL_REF_DECL (XEXP (XEXP (XEXP (addr, 1), 0), 0));
if (decl)
align = DECL_ALIGN (decl);
align = align / BITS_PER_UNIT;
if ((GET_MODE_SIZE (GET_MODE (x)) == 2)
&& align && ((align & 1) == 0))
fputs (".as", file);
if ((GET_MODE_SIZE (GET_MODE (x)) >= 4)
&& align && ((align & 3) == 0))
int align = get_symbol_alignment (addr);
int mask = 0;
switch (GET_MODE (x))
{
case E_HImode:
mask = 1;
break;
default:
mask = 3;
break;
}
if (align && ((align & mask) == 0))
fputs (".as", file);
}
break;
@ -4250,6 +4290,9 @@ arc_print_operand (FILE *file, rtx x, int code)
rtx addr = XEXP (x, 0);
int size = GET_MODE_SIZE (GET_MODE (x));
if (legitimate_small_data_address_p (addr))
output_sdata = 1;
fputc ('[', file);
switch (GET_CODE (addr))
@ -4310,26 +4353,7 @@ arc_print_operand (FILE *file, rtx x, int code)
|| XINT (XEXP (XEXP (x, 0), 0), 1) == UNSPEC_TLS_GD)))
arc_output_pic_addr_const (file, x, code);
else
{
/* FIXME: Dirty way to handle @var@sda+const. Shd be handled
with asm_output_symbol_ref */
if (GET_CODE (x) == CONST && GET_CODE (XEXP (x, 0)) == PLUS)
{
x = XEXP (x, 0);
output_addr_const (file, XEXP (x, 0));
if (GET_CODE (XEXP (x, 0)) == SYMBOL_REF && SYMBOL_REF_SMALL_P (XEXP (x, 0)))
fprintf (file, "@sda");
if (GET_CODE (XEXP (x, 1)) != CONST_INT
|| INTVAL (XEXP (x, 1)) >= 0)
fprintf (file, "+");
output_addr_const (file, XEXP (x, 1));
}
else
output_addr_const (file, x);
}
if (GET_CODE (x) == SYMBOL_REF && SYMBOL_REF_SMALL_P (x))
fprintf (file, "@sda");
output_addr_const (file, x);
break;
}
}
@ -4346,10 +4370,13 @@ arc_print_operand_address (FILE *file , rtx addr)
case REG :
fputs (reg_names[REGNO (addr)], file);
break;
case SYMBOL_REF :
case SYMBOL_REF:
if (output_sdata)
fputs ("gp,", file);
output_addr_const (file, addr);
if (SYMBOL_REF_SMALL_P (addr))
fprintf (file, "@sda");
if (output_sdata)
fputs ("@sda", file);
output_sdata = 0;
break;
case PLUS :
if (GET_CODE (XEXP (addr, 0)) == MULT)
@ -6170,7 +6197,7 @@ arc_legitimate_address_p (machine_mode mode, rtx x, bool strict)
return true;
if (legitimate_scaled_address_p (mode, x, strict))
return true;
if (LEGITIMATE_SMALL_DATA_ADDRESS_P (x))
if (legitimate_small_data_address_p (x))
return true;
if (GET_CODE (x) == CONST_INT && LARGE_INT (INTVAL (x)))
return true;
@ -7973,98 +8000,9 @@ arc_in_small_data_p (const_tree decl)
return false;
}
/* Return true if X is a small data address that can be rewritten
as a gp+symref. */
static bool
arc_rewrite_small_data_p (const_rtx x)
{
if (GET_CODE (x) == CONST)
x = XEXP (x, 0);
if (GET_CODE (x) == PLUS)
{
if (GET_CODE (XEXP (x, 1)) == CONST_INT)
x = XEXP (x, 0);
}
if (GET_CODE (x) == SYMBOL_REF && SYMBOL_REF_SMALL_P (x))
{
gcc_assert (SYMBOL_REF_TLS_MODEL (x) == 0);
return true;
}
return false;
}
/* If possible, rewrite OP so that it refers to small data using
explicit relocations. */
static rtx
arc_rewrite_small_data_1 (rtx op)
{
rtx rgp = gen_rtx_REG (Pmode, SDATA_BASE_REGNUM);
op = copy_insn (op);
subrtx_ptr_iterator::array_type array;
FOR_EACH_SUBRTX_PTR (iter, array, &op, ALL)
{
rtx *loc = *iter;
if (arc_rewrite_small_data_p (*loc))
{
*loc = gen_rtx_PLUS (Pmode, rgp, *loc);
iter.skip_subrtxes ();
}
else if (GET_CODE (*loc) == PLUS
&& rtx_equal_p (XEXP (*loc, 0), rgp))
iter.skip_subrtxes ();
}
return op;
}
rtx
arc_rewrite_small_data (rtx op)
{
op = arc_rewrite_small_data_1 (op);
/* Check if we fit small data constraints. */
if (MEM_P (op)
&& !LEGITIMATE_SMALL_DATA_ADDRESS_P (XEXP (op, 0)))
{
rtx addr = XEXP (op, 0);
rtx tmp = gen_reg_rtx (Pmode);
emit_move_insn (tmp, addr);
op = replace_equiv_address_nv (op, tmp);
}
return op;
}
/* Return true if OP refers to small data symbols directly, not through
a PLUS. */
bool
small_data_pattern (rtx op, machine_mode)
{
if (GET_CODE (op) == SEQUENCE)
return false;
rtx rgp = gen_rtx_REG (Pmode, SDATA_BASE_REGNUM);
subrtx_iterator::array_type array;
FOR_EACH_SUBRTX (iter, array, op, ALL)
{
const_rtx x = *iter;
if (GET_CODE (x) == PLUS
&& rtx_equal_p (XEXP (x, 0), rgp))
iter.skip_subrtxes ();
else if (arc_rewrite_small_data_p (x))
return true;
}
return false;
}
/* Return true if OP is an acceptable memory operand for ARCompact
16-bit gp-relative load instructions.
op shd look like : [r26, symref@sda]
i.e. (mem (plus (reg 26) (symref with smalldata flag set))
*/
*/
/* volatile cache option still to be handled. */
bool
@ -8072,7 +8010,6 @@ compact_sda_memory_operand (rtx op, machine_mode mode, bool short_p)
{
rtx addr;
int size;
tree decl = NULL_TREE;
int align = 0;
int mask = 0;
@ -8092,7 +8029,7 @@ compact_sda_memory_operand (rtx op, machine_mode mode, bool short_p)
/* Decode the address now. */
addr = XEXP (op, 0);
if (!LEGITIMATE_SMALL_DATA_ADDRESS_P (addr))
if (!legitimate_small_data_address_p (addr))
return false;
if (!short_p || size == 1)
@ -8100,14 +8037,7 @@ compact_sda_memory_operand (rtx op, machine_mode mode, bool short_p)
/* Now check for the alignment, the short loads using gp require the
addresses to be aligned. */
if (GET_CODE (XEXP (addr, 1)) == SYMBOL_REF)
decl = SYMBOL_REF_DECL (XEXP (addr, 1));
else if (GET_CODE (XEXP (XEXP (XEXP (addr, 1), 0), 0)) == SYMBOL_REF)
decl = SYMBOL_REF_DECL (XEXP (XEXP (XEXP (addr, 1), 0), 0));
if (decl)
align = DECL_ALIGN (decl);
align = align / BITS_PER_UNIT;
align = get_symbol_alignment (addr);
switch (mode)
{
case E_HImode:
@ -8581,11 +8511,6 @@ prepare_move_operands (rtx *operands, machine_mode mode)
}
}
/* We used to do this only for MODE_INT Modes, but addresses to floating
point variables may well be in the small data section. */
if (!TARGET_NO_SDATA_SET && small_data_pattern (operands[0], Pmode))
operands[0] = arc_rewrite_small_data (operands[0]);
if (mode == SImode && SYMBOLIC_CONST (operands[1]))
{
prepare_pic_move (operands, SImode);
@ -8595,29 +8520,6 @@ prepare_move_operands (rtx *operands, machine_mode mode)
here and references the variable directly. */
}
if (GET_CODE (operands[0]) != MEM
&& !TARGET_NO_SDATA_SET
&& small_data_pattern (operands[1], Pmode))
{
/* This is to take care of address calculations involving sdata
variables. */
operands[1] = arc_rewrite_small_data (operands[1]);
emit_insn (gen_rtx_SET (operands[0],operands[1]));
/* ??? This note is useless, since it only restates the set itself.
We should rather use the original SYMBOL_REF. However, there is
the problem that we are lying to the compiler about these
SYMBOL_REFs to start with. symbol@sda should be encoded specially
so that we can tell it apart from an actual symbol. */
set_unique_reg_note (get_last_insn (), REG_EQUAL, operands[1]);
/* Take care of the REG_EQUAL note that will be attached to mark the
output reg equal to the initial symbol_ref after this code is
executed. */
emit_move_insn (operands[0], operands[0]);
return true;
}
if (MEM_P (operands[0])
&& !(reload_in_progress || reload_completed))
{
@ -8661,31 +8563,6 @@ prepare_move_operands (rtx *operands, machine_mode mode)
return false;
}
/* Prepare OPERANDS for an extension using CODE to OMODE.
Return true iff the move has been emitted. */
bool
prepare_extend_operands (rtx *operands, enum rtx_code code,
machine_mode omode)
{
if (!TARGET_NO_SDATA_SET && small_data_pattern (operands[1], Pmode))
{
/* This is to take care of address calculations involving sdata
variables. */
operands[1]
= gen_rtx_fmt_e (code, omode, arc_rewrite_small_data (operands[1]));
emit_insn (gen_rtx_SET (operands[0], operands[1]));
set_unique_reg_note (get_last_insn (), REG_EQUAL, operands[1]);
/* Take care of the REG_EQUAL note that will be attached to mark the
output reg equal to the initial extension after this code is
executed. */
emit_move_insn (operands[0], operands[0]);
return true;
}
return false;
}
/* Output a library call to a function called FNAME that has been arranged
to be local to any dso. */

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@ -1755,7 +1755,7 @@
[(set (match_operand:HI 0 "dest_reg_operand" "")
(zero_extend:HI (match_operand:QI 1 "nonvol_nonimm_operand" "")))]
""
"if (prepare_extend_operands (operands, ZERO_EXTEND, HImode)) DONE;"
""
)
(define_insn "*zero_extendqisi2_ac"
@ -1779,7 +1779,7 @@
[(set (match_operand:SI 0 "dest_reg_operand" "")
(zero_extend:SI (match_operand:QI 1 "nonvol_nonimm_operand" "")))]
""
"if (prepare_extend_operands (operands, ZERO_EXTEND, SImode)) DONE;"
""
)
(define_insn "*zero_extendhisi2_i"
@ -1804,7 +1804,7 @@
[(set (match_operand:SI 0 "dest_reg_operand" "")
(zero_extend:SI (match_operand:HI 1 "nonvol_nonimm_operand" "")))]
""
"if (prepare_extend_operands (operands, ZERO_EXTEND, SImode)) DONE;"
""
)
;; Sign extension instructions.
@ -1827,7 +1827,7 @@
[(set (match_operand:HI 0 "dest_reg_operand" "")
(sign_extend:HI (match_operand:QI 1 "nonvol_nonimm_operand" "")))]
""
"if (prepare_extend_operands (operands, SIGN_EXTEND, HImode)) DONE;"
""
)
(define_insn "*extendqisi2_ac"
@ -1847,7 +1847,7 @@
[(set (match_operand:SI 0 "dest_reg_operand" "")
(sign_extend:SI (match_operand:QI 1 "nonvol_nonimm_operand" "")))]
""
"if (prepare_extend_operands (operands, SIGN_EXTEND, SImode)) DONE;"
""
)
(define_insn "*extendhisi2_i"
@ -1868,7 +1868,7 @@
[(set (match_operand:SI 0 "dest_reg_operand" "")
(sign_extend:SI (match_operand:HI 1 "nonvol_nonimm_operand" "")))]
""
"if (prepare_extend_operands (operands, SIGN_EXTEND, SImode)) DONE;"
""
)
;; Unary arithmetic insns
@ -2761,11 +2761,6 @@
{
operands[2]=force_reg(SImode, operands[2]);
}
else if (!TARGET_NO_SDATA_SET && small_data_pattern (operands[2], Pmode))
{
operands[2] = force_reg (SImode, arc_rewrite_small_data (operands[2]));
}
")
(define_expand "adddi3"
@ -2969,8 +2964,6 @@
}
if (flag_pic && arc_raw_symbolic_reference_mentioned_p (operands[c], false))
operands[c] = force_reg (SImode, operands[c]);
else if (!TARGET_NO_SDATA_SET && small_data_pattern (operands[c], Pmode))
operands[c] = force_reg (SImode, arc_rewrite_small_data (operands[c]));
}")
; the casesi expander might generate a sub of zero, so we have to recognize it.
@ -3326,8 +3319,7 @@
""
"if (!satisfies_constraint_Cux (operands[2]))
operands[1] = force_reg (SImode, operands[1]);
else if (!TARGET_NO_SDATA_SET && small_data_pattern (operands[1], Pmode))
operands[1] = arc_rewrite_small_data (operands[1]);")
")
(define_insn "andsi3_i"
[(set (match_operand:SI 0 "dest_reg_operand" "=Rcqq,Rcq,Rcqq,Rcqq,Rcqq,Rcw,Rcw, Rcw,Rcw,Rcw,Rcw, w, w, w, w,Rrq,w,Rcw, w,W")

View File

@ -347,11 +347,7 @@
(match_test "!cmem_address (XEXP (op, 0), SImode)")
(not (match_operand 0 "long_immediate_loadstore_operand"))))
; Don't use define_memory_constraint here as the relocation patching
; for small data symbols only works within a ld/st instruction and
; define_memory_constraint may result in the address being calculated
; into a register first.
(define_constraint "Usd"
(define_memory_constraint "Usd"
"@internal
A valid _small-data_ memory operand for ARCompact instructions"
(and (match_code "mem")

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@ -1,3 +1,10 @@
2018-04-30 Claudiu Zissulescu <claziss@synopsys.com>
* gcc.target/arc/interrupt-8.c: Update test.
* gcc.target/arc/loop-4.c: Likewise.
* gcc.target/arc/loop-hazard-1.c: Likewise.
* gcc.target/arc/sdata-3.c: Likewise.
2018-04-30 Claudiu Zissulescu <claziss@synopsys.com>
* gcc.target/arc/store-merge-1.c: New test.

View File

@ -2,8 +2,7 @@
/* { dg-skip-if "Not available for ARCv1" { arc700 || arc6xx } } */
/* { dg-options "-O2 -mirq-ctrl-saved=r0-r17" } */
/* Check if the registers R0-R17 are automatically saved. GP is saved
by the compiler. */
/* Check if the registers R0-R17 are automatically saved. */
int a;
@ -18,8 +17,6 @@ foo(void)
/* { dg-final { scan-assembler-not "st.*r14,\\\[sp" } } */
/* { dg-final { scan-assembler-not "st.*r15,\\\[sp" } } */
/* { dg-final { scan-assembler-not "st.*r16,\\\[sp" } } */
/* { dg-final { scan-assembler "st.*gp,\\\[sp,-4\\\]" } } */
/* { dg-final { scan-assembler "ld.*gp,\\\[sp\\\]" } } */
/* { dg-final { scan-assembler-not "st.*r0,\\\[sp" } } */
/* { dg-final { scan-assembler-not "st.*r1,\\\[sp" } } */
/* { dg-final { scan-assembler-not "st.*r2,\\\[sp" } } */

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@ -1,6 +1,6 @@
/* { dg-do assemble } */
/* { dg-do compile } */
/* { dg-options "-Os" } */
/* { dg-options "-Os -fbranch-count-reg" } */
void fn1(void *p1, int p2, int p3)

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@ -1,5 +1,5 @@
/* { dg-do compile } */
/* { dg-options "-Os" } */
/* { dg-options "-Os -fbranch-count-reg" } */
/* This caused an assertion within arc_loop_hazard. */

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@ -10,9 +10,13 @@ short g_c;
char g_d;
#define TEST(name, optype) \
void test_ ## name (optype x) \
optype testLD_ ## name (optype x) \
{ \
g_ ## name += x; \
return g_ ## name + x; \
} \
void testST_ ## name (optype x) \
{ \
g_ ## name = x; \
}
TEST (a, int)