Commit 7e69e155 by Michael Meissner

Add -mstring support.

From-SVN: r9734
parent eacd15bc
......@@ -184,6 +184,24 @@ rs6000_override_options ()
override with the processor default */
if (TARGET_MULTIPLE_SET)
target_flags = (target_flags & ~MASK_MULTIPLE) | multiple;
/* Don't allow -mmultiple or -mstring on little endian systems, because the
hardware doesn't support the instructions used in little endian mode */
if (!BYTES_BIG_ENDIAN)
{
if (TARGET_MULTIPLE)
{
target_flags &= ~MASK_MULTIPLE;
if (TARGET_MULTIPLE_SET)
warning ("-mmultiple is not supported on little endian systems");
}
if (TARGET_STRING)
{
target_flags &= ~MASK_STRING;
warning ("-mstring is not supported on little endian systems");
}
}
}
/* Create a CONST_DOUBLE like immed_double_const, except reverse the
......@@ -615,6 +633,142 @@ input_operand (op, mode)
return add_operand (op, mode);
}
/* Expand a block move operation, and return 1 if successful. Return 0
if we should let the compiler generate normal code.
operands[0] is the destination
operands[1] is the source
operands[2] is the length
operands[3] is the alignment */
int
expand_block_move (operands)
rtx operands[];
{
rtx bytes_rtx = operands[2];
int constp = (GET_CODE (bytes_rtx) == CONST_INT);
int bytes = (constp ? INTVAL (bytes_rtx) : 0);
rtx align_rtx = operands[3];
int align = XINT (align_rtx, 0);
rtx src_reg;
rtx dest_reg;
rtx tmp_reg;
int move_bytes;
/* Anything to move? */
if (constp && bytes <= 0)
return 1;
/* If we don't want to use multiple string instructions, quit now and
generate the normal code. */
if (!TARGET_STRING)
return 0;
/* We don't support variable sized moves at this time or real large moves */
if (!constp || bytes > 64)
return 0;
/* Move the address into scratch registers. */
dest_reg = copy_addr_to_reg (XEXP (operands[0], 0));
src_reg = copy_addr_to_reg (XEXP (operands[1], 0));
for ( ; bytes > 0; bytes -= move_bytes)
{
if (bytes > 24 /* move up to 32 bytes at a time */
&& !fixed_regs[5]
&& !fixed_regs[6]
&& !fixed_regs[7]
&& !fixed_regs[8]
&& !fixed_regs[9]
&& !fixed_regs[10]
&& !fixed_regs[11]
&& !fixed_regs[12])
{
move_bytes = (bytes > 32) ? 32 : bytes;
emit_insn (gen_movstrsi_8reg (dest_reg,
src_reg,
GEN_INT ((move_bytes == 32) ? 0 : move_bytes),
align_rtx,
GEN_INT ((bytes > move_bytes) ? move_bytes : 0)));
}
else if (bytes > 16 /* move up to 24 bytes at a time */
&& !fixed_regs[7]
&& !fixed_regs[8]
&& !fixed_regs[9]
&& !fixed_regs[10]
&& !fixed_regs[11]
&& !fixed_regs[12])
{
move_bytes = (bytes > 24) ? 24 : bytes;
emit_insn (gen_movstrsi_6reg (dest_reg,
src_reg,
GEN_INT (move_bytes),
align_rtx,
GEN_INT ((bytes > move_bytes) ? move_bytes : 0)));
}
else if (bytes > 8 /* move up to 16 bytes at a time */
&& !fixed_regs[9]
&& !fixed_regs[10]
&& !fixed_regs[11]
&& !fixed_regs[12])
{
move_bytes = (bytes > 16) ? 16 : bytes;
emit_insn (gen_movstrsi_4reg (dest_reg,
src_reg,
GEN_INT (move_bytes),
align_rtx,
GEN_INT ((bytes > move_bytes) ? move_bytes : 0)));
}
else if (bytes > 4 && !TARGET_64BIT)
{ /* move up to 8 bytes at a time */
move_bytes = (bytes > 8) ? 8 : bytes;
emit_insn (gen_movstrsi_2reg (dest_reg,
src_reg,
GEN_INT (move_bytes),
align_rtx,
GEN_INT ((bytes > move_bytes) ? move_bytes : 0)));
}
else if (bytes >= 4 && (align >= 4 || !STRICT_ALIGNMENT))
{ /* move 4 bytes */
move_bytes = 4;
tmp_reg = gen_reg_rtx (SImode);
emit_move_insn (tmp_reg, gen_rtx (MEM, SImode, src_reg));
emit_move_insn (gen_rtx (MEM, SImode, dest_reg), tmp_reg);
if (bytes > move_bytes)
{
emit_insn (gen_addsi3 (src_reg, src_reg, GEN_INT (move_bytes)));
emit_insn (gen_addsi3 (dest_reg, dest_reg, GEN_INT (move_bytes)));
}
}
else if (bytes == 2 && (align >= 2 || !STRICT_ALIGNMENT))
{ /* move 2 bytes */
move_bytes = 2;
tmp_reg = gen_reg_rtx (HImode);
emit_move_insn (tmp_reg, gen_rtx (MEM, HImode, src_reg));
emit_move_insn (gen_rtx (MEM, HImode, dest_reg), tmp_reg);
}
else if (bytes == 1) /* move 1 byte */
{
move_bytes = 1;
tmp_reg = gen_reg_rtx (QImode);
emit_move_insn (tmp_reg, gen_rtx (MEM, QImode, src_reg));
emit_move_insn (gen_rtx (MEM, QImode, dest_reg), tmp_reg);
}
else
{ /* move up to 4 bytes at a time */
move_bytes = (bytes > 4) ? 4 : bytes;
emit_insn (gen_movstrsi_1reg (dest_reg,
src_reg,
GEN_INT (move_bytes),
align_rtx,
GEN_INT ((bytes > move_bytes) ? move_bytes : 0)));
}
}
return 1;
}
/* Return 1 if OP is a load multiple operation. It is known to be a
PARALLEL and the first section will be tested. */
......
......@@ -153,22 +153,26 @@ extern int target_flags;
#define MASK_MULTIPLE 0x1000
#define MASK_MULTIPLE_SET 0x2000
#define TARGET_POWER (target_flags & MASK_POWER)
#define TARGET_POWER2 (target_flags & MASK_POWER2)
#define TARGET_POWERPC (target_flags & MASK_POWERPC)
#define TARGET_PPC_GPOPT (target_flags & MASK_PPC_GPOPT)
#define TARGET_PPC_GFXOPT (target_flags & MASK_PPC_GFXOPT)
#define TARGET_POWERPC64 (target_flags & MASK_POWERPC64)
#define TARGET_NEW_MNEMONICS (target_flags & MASK_NEW_MNEMONICS)
#define TARGET_NO_FP_IN_TOC (target_flags & MASK_NO_FP_IN_TOC)
#define TARGET_NO_SUM_IN_TOC (target_flags & MASK_NO_SUM_IN_TOC)
#define TARGET_MINIMAL_TOC (target_flags & MASK_MINIMAL_TOC)
#define TARGET_64BIT (target_flags & MASK_64BIT)
#define TARGET_SOFT_FLOAT (target_flags & MASK_SOFT_FLOAT)
#define TARGET_MULTIPLE (target_flags & MASK_MULTIPLE)
#define TARGET_MULTIPLE_SET (target_flags & MASK_MULTIPLE_SET)
#define TARGET_HARD_FLOAT (! TARGET_SOFT_FLOAT)
/* Use string instructions for block moves */
#define MASK_STRING 0x4000
#define TARGET_POWER (target_flags & MASK_POWER)
#define TARGET_POWER2 (target_flags & MASK_POWER2)
#define TARGET_POWERPC (target_flags & MASK_POWERPC)
#define TARGET_PPC_GPOPT (target_flags & MASK_PPC_GPOPT)
#define TARGET_PPC_GFXOPT (target_flags & MASK_PPC_GFXOPT)
#define TARGET_POWERPC64 (target_flags & MASK_POWERPC64)
#define TARGET_NEW_MNEMONICS (target_flags & MASK_NEW_MNEMONICS)
#define TARGET_NO_FP_IN_TOC (target_flags & MASK_NO_FP_IN_TOC)
#define TARGET_NO_SUM_IN_TOC (target_flags & MASK_NO_SUM_IN_TOC)
#define TARGET_MINIMAL_TOC (target_flags & MASK_MINIMAL_TOC)
#define TARGET_64BIT (target_flags & MASK_64BIT)
#define TARGET_SOFT_FLOAT (target_flags & MASK_SOFT_FLOAT)
#define TARGET_MULTIPLE (target_flags & MASK_MULTIPLE)
#define TARGET_MULTIPLE_SET (target_flags & MASK_MULTIPLE_SET)
#define TARGET_STRING (target_flags & MASK_STRING)
#define TARGET_HARD_FLOAT (! TARGET_SOFT_FLOAT)
/* Run-time compilation parameters selecting different hardware subsets.
......@@ -211,6 +215,8 @@ extern int target_flags;
{"multiple", MASK_MULTIPLE | MASK_MULTIPLE_SET}, \
{"no-multiple", - MASK_MULTIPLE}, \
{"no-multiple", MASK_MULTIPLE_SET}, \
{"string", MASK_STRING}, \
{"no-string", - MASK_STRING}, \
SUBTARGET_SWITCHES \
{"", TARGET_DEFAULT}}
......@@ -1493,8 +1499,8 @@ struct rs6000_args {int words, fregno, nargs_prototype; };
/* Max number of bytes we can move from memory to memory
in one reasonably fast instruction. */
#define MOVE_MAX (TARGET_MULTIPLE ? 16 : (TARGET_POWERPC64 ? 8 : 4))
#define MAX_MOVE_MAX 16
#define MOVE_MAX (TARGET_POWERPC64 ? 8 : 4)
#define MAX_MOVE_MAX 8
/* Nonzero if access to memory by bytes is no faster than for words.
Also non-zero if doing byte operations (specifically shifts) in registers
......@@ -2377,6 +2383,7 @@ extern int lwa_operand ();
extern int call_operand ();
extern int current_file_function_operand ();
extern int input_operand ();
extern int expand_block_move ();
extern int load_multiple_operation ();
extern int store_multiple_operation ();
extern int branch_comparison_operator ();
......
......@@ -754,7 +754,7 @@
{cax.|add.} %3,%1,%2
{ai.|addic.} %3,%1,%2"
[(set_attr "type" "compare")])
(define_insn ""
[(set (match_operand:CC 3 "cc_reg_operand" "=x,x")
(compare:CC (plus:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")
......@@ -767,7 +767,7 @@
{cax.|add.} %0,%1,%2
{ai.|addic.} %0,%1,%2"
[(set_attr "type" "compare")])
;; Split an add that we can't do in one insn into two insns, each of which
;; does one 16-bit part. This is used by combine. Note that the low-order
;; add should be last in case the result gets used in an address.
......@@ -2068,7 +2068,7 @@
else
return \"{andil.|andi.} %4,%1,%3\";
}
if (start + size >= 32)
operands[3] = const0_rtx;
else
......@@ -2096,7 +2096,7 @@
operands[3] = gen_rtx (CONST_INT, VOIDmode, (1 << (32 - start)) - 1);
return \"{andil.|andi.} %0,%1,%3\";
}
if (start + size >= 32)
operands[3] = const0_rtx;
else
......@@ -3343,7 +3343,7 @@
""
"#"
[(set_attr "length" "8")])
(define_split
[(set (match_operand:DI 0 "gpc_reg_operand" "=")
(plus:DI (zero_extend:DI (match_operand:SI 1 "gpc_reg_operand" ""))
......@@ -3452,7 +3452,7 @@
(reg:SI 3))]
"TARGET_HARD_FLOAT"
"
{
{
rs6000_trunc_used = 1;
}")
......@@ -4105,7 +4105,7 @@
"
{ operands[2] = operand_subword (operands[0], 0, 0, SFmode);
operands[3] = operand_subword (operands[1], 0, 0, SFmode); }")
(define_insn ""
[(set (match_operand:SF 0 "fp_reg_or_mem_operand" "=f,f,m")
(match_operand:SF 1 "input_operand" "f,m,f"))]
......@@ -4391,7 +4391,7 @@
[(parallel [(set (match_operand:TI 0 "general_operand" "")
(match_operand:TI 1 "general_operand" ""))
(clobber (scratch:SI))])]
"TARGET_MULTIPLE || TARGET_POWERPC64"
"TARGET_STRING || TARGET_POWERPC64"
"
{
if (GET_CODE (operands[0]) == MEM)
......@@ -4419,7 +4419,7 @@
[(set (match_operand:TI 0 "reg_or_mem_operand" "=Q,m,????r,????r,????r")
(match_operand:TI 1 "reg_or_mem_operand" "r,r,r,Q,m"))
(clobber (match_scratch:SI 2 "=q,q#X,X,X,X"))]
"TARGET_MULTIPLE && TARGET_POWER && ! TARGET_POWERPC64
"TARGET_STRING && TARGET_POWER && ! TARGET_POWERPC64
&& (gpc_reg_operand (operands[0], TImode) || gpc_reg_operand (operands[1], TImode))"
"*
{
......@@ -4473,7 +4473,7 @@
[(set (match_operand:TI 0 "reg_or_mem_operand" "=m,????r,????r")
(match_operand:TI 1 "reg_or_mem_operand" "r,r,m"))
(clobber (match_scratch:SI 2 "=X,X,X"))]
"TARGET_MULTIPLE && !TARGET_POWER && ! TARGET_POWERPC64
"TARGET_STRING && !TARGET_POWER && ! TARGET_POWERPC64
&& (gpc_reg_operand (operands[0], TImode) || gpc_reg_operand (operands[1], TImode))"
"*
{
......@@ -4552,7 +4552,7 @@
[(match_par_dup 3 [(set (match_operand:SI 0 "" "")
(match_operand:SI 1 "" ""))
(use (match_operand:SI 2 "" ""))])]
"TARGET_MULTIPLE"
"TARGET_STRING"
"
{
int regno;
......@@ -4587,7 +4587,7 @@
[(match_parallel 0 "load_multiple_operation"
[(set (match_operand:SI 1 "gpc_reg_operand" "=r")
(match_operand:SI 2 "indirect_operand" "Q"))])]
"TARGET_MULTIPLE"
"TARGET_STRING"
"*
{
/* We have to handle the case where the pseudo used to contain the address
......@@ -4621,7 +4621,7 @@
(match_operand:SI 1 "" ""))
(clobber (scratch:SI))
(use (match_operand:SI 2 "" ""))])]
"TARGET_MULTIPLE"
"TARGET_STRING"
"
{
int regno;
......@@ -4663,7 +4663,7 @@
[(set (match_operand:SI 1 "indirect_operand" "=Q")
(match_operand:SI 2 "gpc_reg_operand" "r"))
(clobber (match_scratch:SI 3 "=q"))])]
"TARGET_MULTIPLE && TARGET_POWER"
"TARGET_STRING && TARGET_POWER"
"{stsi|stswi} %2,%P1,%O0")
(define_insn ""
......@@ -4671,10 +4671,383 @@
[(set (match_operand:SI 1 "indirect_operand" "=Q")
(match_operand:SI 2 "gpc_reg_operand" "r"))
(clobber (match_scratch:SI 3 "X"))])]
"TARGET_MULTIPLE && !TARGET_POWER"
"TARGET_STRING && !TARGET_POWER"
"{stsi|stswi} %2,%P1,%O0")
;; String/block move insn.
;; Argument 0 is the destination
;; Argument 1 is the source
;; Argument 2 is the length
;; Argument 3 is the alignment
(define_expand "movstrsi"
[(parallel [(set (match_operand:BLK 0 "memory_operand" "")
(match_operand:BLK 1 "memory_operand" ""))
(use (match_operand:SI 2 "general_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))])]
""
"
{
if (expand_block_move (operands))
DONE;
else
FAIL;
}")
;; Move up to 32 bytes at a time. The fixed registers are needed because the
;; register allocator doesn't have a clue about allocating 8 word registers
(define_expand "movstrsi_8reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (reg:SI 5))
(clobber (reg:SI 6))
(clobber (reg:SI 7))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 5 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
(clobber (reg:SI 6))
(clobber (reg:SI 7))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "=q,q"))]
"TARGET_STRING && TARGET_POWER
&& ((INTVAL (operands[2]) > 24 && INTVAL (operands[2]) < 32) || INTVAL (operands[2]) == 0)
&& (REGNO (operands[0]) < 5 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 5 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 5"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
(clobber (reg:SI 6))
(clobber (reg:SI 7))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "X,X"))]
"TARGET_STRING && !TARGET_POWER
&& ((INTVAL (operands[2]) > 24 && INTVAL (operands[2]) < 32) || INTVAL (operands[2]) == 0)
&& (REGNO (operands[0]) < 5 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 5 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 5"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
;; Move up to 24 bytes at a time. The fixed registers are needed because the
;; register allocator doesn't have a clue about allocating 6 word registers
(define_expand "movstrsi_6reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (reg:SI 7))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 5 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "=q,q"))]
"TARGET_STRING && TARGET_POWER
&& INTVAL (operands[2]) > 16 && INTVAL (operands[2]) <= 24
&& (REGNO (operands[0]) < 7 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 7 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 7"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
(clobber (reg:SI 8))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "X,X"))]
"TARGET_STRING && !TARGET_POWER
&& INTVAL (operands[2]) > 16 && INTVAL (operands[2]) <= 32
&& (REGNO (operands[0]) < 7 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 7 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 7"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
;; Move up to 16 bytes at a time, using 4 fixed registers to avoid spill problems
;; with TImode
(define_expand "movstrsi_4reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (reg:SI 9))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 5 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "=q,q"))]
"TARGET_STRING && TARGET_POWER
&& INTVAL (operands[2]) > 8 && INTVAL (operands[2]) <= 16
&& (REGNO (operands[0]) < 9 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 9 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 9"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_operand:SI 5 "register_operand" "r,r"))
(clobber (reg:SI 10))
(clobber (reg:SI 11))
(clobber (reg:SI 12))
(clobber (match_scratch:SI 6 "X,X"))]
"TARGET_STRING && !TARGET_POWER
&& INTVAL (operands[2]) > 8 && INTVAL (operands[2]) <= 16
&& (REGNO (operands[0]) < 9 || REGNO (operands[0]) > 12)
&& (REGNO (operands[1]) < 9 || REGNO (operands[1]) > 12)
&& REGNO (operands[5]) == 9"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
;; Move up to 8 bytes at a time.
(define_expand "movstrsi_2reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (match_scratch:DI 5 ""))
(clobber (match_scratch:SI 6 ""))])]
"TARGET_STRING && !TARGET_64BIT"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:DI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "=q,q"))]
"TARGET_STRING && TARGET_POWER && !TARGET_64BIT
&& INTVAL (operands[2]) > 4 && INTVAL (operands[2]) <= 8"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:DI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "X,X"))]
"TARGET_STRING && !TARGET_POWER && !TARGET_64BIT
&& INTVAL (operands[2]) > 4 && INTVAL (operands[2]) <= 8"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
;; Move up to 4 bytes at a time.
(define_expand "movstrsi_1reg"
[(parallel [(set (mem:BLK (match_operand:SI 0 "register_operand" ""))
(mem:BLK (match_operand:SI 1 "register_operand" "")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" ""))
(use (match_operand:SI 3 "immediate_operand" ""))
(clobber (match_scratch:SI 5 ""))
(clobber (match_scratch:SI 6 ""))])]
"TARGET_STRING"
"")
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:SI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "=q,q"))]
"TARGET_STRING && TARGET_POWER
&& INTVAL (operands[2]) > 0 && INTVAL (operands[2]) <= 4"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
(define_insn ""
[(set (mem:BLK (match_operand:SI 0 "register_operand" "+&b,&b"))
(mem:BLK (match_operand:SI 1 "register_operand" "+&b,&b")))
(set (match_dup 0)
(plus:SI (match_dup 0)
(match_operand:SI 4 "immediate_operand" "O,i")))
(set (match_dup 1)
(plus:SI (match_dup 1)
(match_dup 4)))
(use (match_operand:SI 2 "immediate_operand" "i,i"))
(use (match_operand:SI 3 "immediate_operand" "i,i"))
(clobber (match_scratch:SI 5 "=&r,&r"))
(clobber (match_scratch:SI 6 "X,X"))]
"TARGET_STRING && !TARGET_POWER
&& INTVAL (operands[2]) > 0 && INTVAL (operands[2]) <= 4"
"@
{lsi|lswi} %5,%1,%2\;{stsi|stswi} %5,%0,%2
{lsi|lswi} %5,%1,%2\;{cal %0,%4(%0)|addi %0,%0,%4}\;{stsi|stswi} %5,%0,%2\;{cal %1,%4(%1)|addi %1,%1,%4}"
[(set_attr "length" "8,16")])
;; Define insns that do load or store with update. Some of these we can
;; Define insns that do load or store with update. Some of these we can
;; get by using pre-decrement or pre-increment, but the hardware can also
;; do cases where the increment is not the size of the object.
;;
......@@ -4900,7 +5273,7 @@
;; Next come insns related to the calling sequence.
;;
;; First, an insn to allocate new stack space for dynamic use (e.g., alloca).
;; We move the back-chain and decrement the stack pointer.
;; We move the back-chain and decrement the stack pointer.
(define_expand "allocate_stack"
[(set (reg:SI 1)
......@@ -4957,7 +5330,7 @@
emit_move_insn (operand_subword (operands[0], 1, 0, DImode), operands[1]);
DONE;
}")
(define_expand "restore_stack_nonlocal"
[(match_operand:SI 0 "register_operand" "")
(match_operand:DI 1 "memory_operand" "")]
......@@ -4976,7 +5349,7 @@
;; A function pointer is a pointer to a data area whose first word contains
;; the actual address of the function, whose second word contains a pointer
;; to its TOC, and whose third word contains a value to place in the static
;; chain register (r11). Note that if we load the static chain, our
;; chain register (r11). Note that if we load the static chain, our
;; "trampoline" need not have any executable code.
;;
;; operands[0] is an SImode pseudo in which we place the address of the
......@@ -5149,7 +5522,7 @@
"")
;; Compare insns are next. Note that the RS/6000 has two types of compares,
;; signed & unsigned, and one type of branch.
;; signed & unsigned, and one type of branch.
;;
;; Start with the DEFINE_EXPANDs to generate the rtl for compares, scc
;; insns, and branches. We store the operands of compares until we see
......@@ -5540,7 +5913,7 @@
""
"#"
[(set_attr "length" "8")])
(define_insn ""
[(set (match_operand:CCUNS 3 "cc_reg_operand" "=y")
(compare:CCUNS (match_operand:SI 1 "gpc_reg_operand" "r")
......@@ -5550,7 +5923,7 @@
""
"#"
[(set_attr "length" "8")])
(define_split
[(set (match_operand:CC 3 "cc_reg_operand" "")
(compare:CC (match_operand:SI 1 "gpc_reg_operand" "")
......@@ -5750,7 +6123,7 @@
(define_insn ""
[(set (match_operand:CC 4 "cc_reg_operand" "=x,x,x,x,x")
(compare:CC
(compare:CC
(eq:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r,r")
(match_operand:SI 2 "reg_or_cint_operand" "r,O,K,J,I"))
(const_int 0)))
......@@ -5799,7 +6172,7 @@
(define_insn ""
[(set (match_operand:CC 0 "cc_reg_operand" "=x,x,x,x,x")
(compare:CC
(compare:CC
(plus:SI
(eq:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r,r")
(match_operand:SI 2 "reg_or_cint_operand" "r,O,K,J,I"))
......@@ -5818,7 +6191,7 @@
(define_insn ""
[(set (match_operand:CC 5 "cc_reg_operand" "=x,x,x,x,x")
(compare:CC
(compare:CC
(plus:SI
(eq:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r,r,r,r")
(match_operand:SI 2 "reg_or_cint_operand" "r,O,K,J,I"))
......@@ -6805,7 +7178,7 @@
""
"{cror 0,0,0|nop}")
;; Define the subtract-one-and-jump insns, starting with the template
;; Define the subtract-one-and-jump insns, starting with the template
;; so loop.c knows what to generate.
(define_expand "decrement_and_branchsi"
......@@ -6819,7 +7192,7 @@
;; We need to be able to do this for any operand, including MEM, or we
;; will cause reload to blow up since we don't allow output reloads on
;; JUMP_INSNs.
;; JUMP_INSNs.
(define_insn ""
[(set (pc)
(if_then_else (ne (match_operand:SI 1 "register_operand" "0,*r,*r")
......@@ -6842,7 +7215,7 @@
}"
[(set_attr "type" "branch")
(set_attr "length" "*,12,16")])
;; Similar, but we can use GE since we have a REG_NONNEG.
(define_insn ""
[(set (pc)
......@@ -6866,7 +7239,7 @@
}"
[(set_attr "type" "branch")
(set_attr "length" "*,12,16")])
(define_insn ""
[(set (pc)
(if_then_else (eq (match_operand:SI 1 "register_operand" "0,*r,*r")
......
......@@ -28,12 +28,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#define MASK_LITTLE_ENDIAN 0x04000000 /* target is little endian */
#define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE)
#define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
#define TARGET_STRICT_ALIGN (target_flags & MASK_STRICT_ALIGN)
#define TARGET_RELOCATABLE (target_flags & MASK_RELOCATABLE)
#define TARGET_NO_TRACEBACK (target_flags & MASK_NO_TRACEBACK)
#define TARGET_TRACEBACK (! TARGET_NO_TRACEBACK)
#define TARGET_LITTLE_ENDIAN (target_flags & MASK_LITTLE_ENDIAN)
#define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
#define TARGET_TRACEBACK (! TARGET_NO_TRACEBACK)
#define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
#undef SUBTARGET_SWITCHES
......@@ -51,17 +52,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
{ "big-endian", -MASK_LITTLE_ENDIAN }, \
{ "big", -MASK_LITTLE_ENDIAN },
/* If the user wants little endian support, don't allow -mmultiple */
#define SUBTARGET_OVERRIDE_OPTIONS \
{ \
if (TARGET_LITTLE_ENDIAN && TARGET_MULTIPLE) \
{ \
target_flags &= ~MASK_MULTIPLE; \
if (TARGET_MULTIPLE_SET) \
warning ("-mmultiple is not supported on little endian PowerPC systems"); \
} \
}
#include "rs6000/powerpc.h"
/* Override default big endianism */
......@@ -321,6 +311,9 @@ extern int rs6000_pic_labelno;
#define CPP_SPEC "\
%{posix: -D_POSIX_SOURCE} \
%{mrelocatable: -D_RELOCATABLE} \
%{mlittle: -D_LITTLE_ENDIAN -Amachine(littleendian)} \
%{mlittle-endian: -D_LITTLE_ENDIAN -Amachine(littleendian)} \
%{!mlittle: %{!mlittle-endian: -D_BIG_ENDIAN -Amachine(bigendian)}} \
%{!mcpu*: \
%{mpower: %{!mpower2: -D_ARCH_PWR}} \
%{mpower2: -D_ARCH_PWR2} \
......
......@@ -23,3 +23,37 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_LITTLE_ENDIAN)
#undef CPP_SPEC
#define CPP_SPEC "\
%{posix: -D_POSIX_SOURCE} \
%{mrelocatable: -D_RELOCATABLE} \
%{mbig: -D_BIG_ENDIAN -Amachine(bigendian)} \
%{mbig-endian: -D_BIG_ENDIAN -Amachine(bigendian)} \
%{!mbig: %{!mbig-endian: -D_LITTLE_ENDIAN -Amachine(littleendian)}} \
%{!mcpu*: \
%{mpower: %{!mpower2: -D_ARCH_PWR}} \
%{mpower2: -D_ARCH_PWR2} \
%{mpowerpc*: -D_ARCH_PPC} \
%{mno-powerpc: %{!mpower: %{!mpower2: -D_ARCH_COM}}} \
%{!mno-powerpc: -D_ARCH_PPC}} \
%{mcpu=common: -D_ARCH_COM} \
%{mcpu=power: -D_ARCH_PWR} \
%{mcpu=powerpc: -D_ARCH_PPC} \
%{mcpu=rios: -D_ARCH_PWR} \
%{mcpu=rios1: -D_ARCH_PWR} \
%{mcpu=rios2: -D_ARCH_PWR2} \
%{mcpu=rsc: -D_ARCH_PWR} \
%{mcpu=rsc1: -D_ARCH_PWR} \
%{mcpu=403: -D_ARCH_PPC} \
%{mcpu=mpc403: -D_ARCH_PPC} \
%{mcpu=ppc403: -D_ARCH_PPC} \
%{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \
%{mcpu=mpc601: -D_ARCH_PPC -D_ARCH_PWR} \
%{mcpu=ppc601: -D_ARCH_PPC -D_ARCH_PWR} \
%{mcpu=603: -D_ARCH_PPC} \
%{mcpu=mpc603: -D_ARCH_PPC} \
%{mcpu=ppc603: -D_ARCH_PPC} \
%{mcpu=604: -D_ARCH_PPC} \
%{mcpu=mpc604: -D_ARCH_PPC} \
%{mcpu=ppc604: -D_ARCH_PPC}"
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