|| (REG_P (op1) && INT_REGNO_P (REGNO (op1))));
}
+/* Given an address, return a constant offset term if one exists. */
+
+static rtx
+address_offset (rtx op)
+{
+ if (GET_CODE (op) == PRE_INC
+ || GET_CODE (op) == PRE_DEC)
+ op = XEXP (op, 0);
+ else if (GET_CODE (op) == PRE_MODIFY
+ || GET_CODE (op) == LO_SUM)
+ op = XEXP (op, 1);
+
+ if (GET_CODE (op) == CONST)
+ op = XEXP (op, 0);
+
+ if (GET_CODE (op) == PLUS)
+ op = XEXP (op, 1);
+
+ if (CONST_INT_P (op))
+ return op;
+
+ return NULL_RTX;
+}
+
+/* Return true if the MEM operand is a memory operand suitable for use
+ with a (full width, possibly multiple) gpr load/store. On
+ powerpc64 this means the offset must be divisible by 4.
+ Implements 'Y' constraint.
+
+ Accept direct, indexed, offset, lo_sum and tocref. Since this is
+ a constraint function we know the operand has satisfied a suitable
+ memory predicate. Also accept some odd rtl generated by reload
+ (see rs6000_legitimize_reload_address for various forms). It is
+ important that reload rtl be accepted by appropriate constraints
+ but not by the operand predicate.
+
+ Offsetting a lo_sum should not be allowed, except where we know by
+ alignment that a 32k boundary is not crossed, but see the ???
+ comment in rs6000_legitimize_reload_address. */
+
+bool
+mem_operand_gpr (rtx op, enum machine_mode mode)
+{
+ unsigned HOST_WIDE_INT offset;
+ int extra;
+
+ op = address_offset (XEXP (op, 0));
+ if (op == NULL_RTX)
+ return true;
+
+ offset = INTVAL (op);
+ extra = GET_MODE_SIZE (mode) - UNITS_PER_WORD;
+ if (extra < 0)
+ extra = 0;
+ else if (TARGET_POWERPC64 && (offset & 3) != 0)
+ return false;
+ return offset + 0x8000 < 0x10000u - extra;
+}
\f
/* Subroutines of rs6000_legitimize_address and rs6000_legitimate_address_p. */
#define SPE_CONST_OFFSET_OK(x) (((x) & ~0xf8) == 0)
bool
-rs6000_legitimate_offset_address_p (enum machine_mode mode, rtx x, int strict)
+rs6000_legitimate_offset_address_p (enum machine_mode mode, rtx x,
+ bool strict, bool worst_case)
{
- unsigned HOST_WIDE_INT offset, extra;
+ unsigned HOST_WIDE_INT offset;
+ unsigned int extra;
if (GET_CODE (x) != PLUS)
return false;
- if (GET_CODE (XEXP (x, 0)) != REG)
+ if (!REG_P (XEXP (x, 0)))
return false;
if (!INT_REG_OK_FOR_BASE_P (XEXP (x, 0), strict))
return false;
return SPE_CONST_OFFSET_OK (offset);
case DFmode:
- if (TARGET_E500_DOUBLE)
- return SPE_CONST_OFFSET_OK (offset);
-
- /* If we are using VSX scalar loads, restrict ourselves to reg+reg
- addressing. */
- if (VECTOR_MEM_VSX_P (DFmode))
- return false;
-
case DDmode:
case DImode:
/* On e500v2, we may have:
if (TARGET_E500_DOUBLE)
return SPE_CONST_OFFSET_OK (offset);
- if (mode == DFmode || mode == DDmode || !TARGET_POWERPC64)
+ /* If we are using VSX scalar loads, restrict ourselves to reg+reg
+ addressing. */
+ if (mode == DFmode && VECTOR_MEM_VSX_P (DFmode))
+ return false;
+
+ if (!worst_case)
+ break;
+ if (!TARGET_POWERPC64)
extra = 4;
else if (offset & 3)
return false;
break;
case TFmode:
+ case TDmode:
+ case TImode:
if (TARGET_E500_DOUBLE)
return (SPE_CONST_OFFSET_OK (offset)
&& SPE_CONST_OFFSET_OK (offset + 8));
- case TDmode:
- case TImode:
- if (mode == TFmode || mode == TDmode || !TARGET_POWERPC64)
+ extra = 8;
+ if (!worst_case)
+ break;
+ if (!TARGET_POWERPC64)
extra = 12;
else if (offset & 3)
return false;
- else
- extra = 8;
break;
default:
if (!INT_REG_OK_FOR_BASE_P (XEXP (x, 0), strict))
return false;
/* Restrict addressing for DI because of our SUBREG hackery. */
- if (TARGET_E500_DOUBLE && (mode == DFmode || mode == TFmode
- || mode == DDmode || mode == TDmode
- || mode == DImode))
+ if (TARGET_E500_DOUBLE && GET_MODE_SIZE (mode) > UNITS_PER_WORD)
return false;
x = XEXP (x, 1);
return false;
if (GET_MODE_NUNITS (mode) != 1)
return false;
- if (GET_MODE_BITSIZE (mode) > 64
- || (GET_MODE_BITSIZE (mode) > 32 && !TARGET_POWERPC64
- && !(TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT
- && (mode == DFmode || mode == DDmode))))
+ if (GET_MODE_SIZE (mode) > UNITS_PER_WORD
+ && !(/* ??? Assume floating point reg based on mode? */
+ TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT
+ && (mode == DFmode || mode == DDmode)))
return false;
return CONSTANT_P (x);
rs6000_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
enum machine_mode mode)
{
- unsigned int extra = 0;
+ unsigned int extra;
if (!reg_offset_addressing_ok_p (mode))
{
return rs6000_legitimize_tls_address (x, model);
}
+ extra = 0;
switch (mode)
{
- case DFmode:
- case DDmode:
- extra = 4;
- break;
- case DImode:
- if (!TARGET_POWERPC64)
- extra = 4;
- break;
case TFmode:
case TDmode:
- extra = 12;
- break;
case TImode:
- extra = TARGET_POWERPC64 ? 8 : 12;
+ /* As in legitimate_offset_address_p we do not assume
+ worst-case. The mode here is just a hint as to the registers
+ used. A TImode is usually in gprs, but may actually be in
+ fprs. Leave worst-case scenario for reload to handle via
+ insn constraints. */
+ extra = 8;
break;
default:
break;
&& GET_CODE (XEXP (x, 1)) == CONST_INT
&& ((unsigned HOST_WIDE_INT) (INTVAL (XEXP (x, 1)) + 0x8000)
>= 0x10000 - extra)
- && !((TARGET_POWERPC64
- && (mode == DImode || mode == TImode)
- && (INTVAL (XEXP (x, 1)) & 3) != 0)
- || SPE_VECTOR_MODE (mode)
- || (TARGET_E500_DOUBLE && (mode == DFmode || mode == TFmode
- || mode == DImode || mode == DDmode
- || mode == TDmode))))
+ && !(SPE_VECTOR_MODE (mode)
+ || (TARGET_E500_DOUBLE && GET_MODE_SIZE (mode) > UNITS_PER_WORD)))
{
HOST_WIDE_INT high_int, low_int;
rtx sum;
&& GET_CODE (XEXP (x, 0)) == REG
&& GET_CODE (XEXP (x, 1)) != CONST_INT
&& GET_MODE_NUNITS (mode) == 1
- && ((TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT)
- || TARGET_POWERPC64
- || ((mode != DImode && mode != DFmode && mode != DDmode)
- || (TARGET_E500_DOUBLE && mode != DDmode)))
- && (TARGET_POWERPC64 || mode != DImode)
- && !avoiding_indexed_address_p (mode)
- && mode != TImode
- && mode != TFmode
- && mode != TDmode)
+ && (GET_MODE_SIZE (mode) <= UNITS_PER_WORD
+ || (/* ??? Assume floating point reg based on mode? */
+ (TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT)
+ && (mode == DFmode || mode == DDmode)))
+ && !avoiding_indexed_address_p (mode))
{
return gen_rtx_PLUS (Pmode, XEXP (x, 0),
force_reg (Pmode, force_operand (XEXP (x, 1), 0)));
}
else if (SPE_VECTOR_MODE (mode)
- || (TARGET_E500_DOUBLE && (mode == DFmode || mode == TFmode
- || mode == DDmode || mode == TDmode
- || mode == DImode)))
+ || (TARGET_E500_DOUBLE && GET_MODE_SIZE (mode) > UNITS_PER_WORD))
{
if (mode == DImode)
return x;
return force_reg (Pmode, x);
}
- else if (TARGET_ELF
+ else if ((TARGET_ELF
+#if TARGET_MACHO
+ || !MACHO_DYNAMIC_NO_PIC_P
+#endif
+ )
&& TARGET_32BIT
&& TARGET_NO_TOC
&& ! flag_pic
&& GET_CODE (x) != CONST_DOUBLE
&& CONSTANT_P (x)
&& GET_MODE_NUNITS (mode) == 1
- && (GET_MODE_BITSIZE (mode) <= 32
- || ((TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT)
+ && (GET_MODE_SIZE (mode) <= UNITS_PER_WORD
+ || (/* ??? Assume floating point reg based on mode? */
+ (TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT)
&& (mode == DFmode || mode == DDmode))))
{
rtx reg = gen_reg_rtx (Pmode);
- emit_insn (gen_elf_high (reg, x));
- return gen_rtx_LO_SUM (Pmode, reg, x);
- }
- else if (TARGET_MACHO && TARGET_32BIT && TARGET_NO_TOC
- && ! flag_pic
-#if TARGET_MACHO
- && ! MACHO_DYNAMIC_NO_PIC_P
-#endif
- && GET_CODE (x) != CONST_INT
- && GET_CODE (x) != CONST_DOUBLE
- && CONSTANT_P (x)
- && GET_MODE_NUNITS (mode) == 1
- && ((TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT)
- || (mode != DFmode && mode != DDmode))
- && mode != DImode
- && mode != TImode)
- {
- rtx reg = gen_reg_rtx (Pmode);
- emit_insn (gen_macho_high (reg, x));
+ if (TARGET_ELF)
+ emit_insn (gen_elf_high (reg, x));
+ else
+ emit_insn (gen_macho_high (reg, x));
return gen_rtx_LO_SUM (Pmode, reg, x);
}
else if (TARGET_TOC
#endif
/* Don't do this for TFmode or TDmode, since the result isn't offsettable.
The same goes for DImode without 64-bit gprs and DFmode and DDmode
- without fprs. */
+ without fprs.
+ ??? Assume floating point reg based on mode? This assumption is
+ violated by eg. powerpc-linux -m32 compile of gcc.dg/pr28796-2.c
+ where reload ends up doing a DFmode load of a constant from
+ mem using two gprs. Unfortunately, at this point reload
+ hasn't yet selected regs so poking around in reload data
+ won't help and even if we could figure out the regs reliably,
+ we'd still want to allow this transformation when the mem is
+ naturally aligned. Since we say the address is good here, we
+ can't disable offsets from LO_SUMs in mem_operand_gpr.
+ FIXME: Allow offset from lo_sum for other modes too, when
+ mem is sufficiently aligned. */
&& mode != TFmode
&& mode != TDmode
&& (mode != DImode || TARGET_POWERPC64)
|| XEXP (x, 0) == arg_pointer_rtx)
&& GET_CODE (XEXP (x, 1)) == CONST_INT)
return 1;
- if (rs6000_legitimate_offset_address_p (mode, x, reg_ok_strict))
+ if (rs6000_legitimate_offset_address_p (mode, x, reg_ok_strict, false))
return 1;
if (mode != TImode
&& mode != TFmode
&& (mode == DFmode || mode == DDmode || mode == DImode))
&& TARGET_UPDATE
&& legitimate_indirect_address_p (XEXP (x, 0), reg_ok_strict)
- && (rs6000_legitimate_offset_address_p (mode, XEXP (x, 1), reg_ok_strict)
+ && (rs6000_legitimate_offset_address_p (mode, XEXP (x, 1),
+ reg_ok_strict, false)
|| (!avoiding_indexed_address_p (mode)
&& legitimate_indexed_address_p (XEXP (x, 1), reg_ok_strict)))
&& rtx_equal_p (XEXP (XEXP (x, 1), 0), XEXP (x, 0)))
&& GET_CODE (XEXP (addr, 1)) == CONST_INT)
{
unsigned HOST_WIDE_INT val = INTVAL (XEXP (addr, 1));
- return val + 12 + 0x8000 >= 0x10000;
+ return val + 0x8000 >= 0x10000 - (TARGET_POWERPC64 ? 8 : 12);
}
break;
in 32-bit mode, that the recog predicate rejects. */
-bool
-rs6000_offsettable_memref_p (rtx op)
+static bool
+rs6000_offsettable_memref_p (rtx op, enum machine_mode reg_mode)
{
+ bool worst_case;
+
if (!MEM_P (op))
return false;
/* First mimic offsettable_memref_p. */
- if (offsettable_address_p (1, GET_MODE (op), XEXP (op, 0)))
+ if (offsettable_address_p (true, GET_MODE (op), XEXP (op, 0)))
return true;
/* offsettable_address_p invokes rs6000_mode_dependent_address, but
reference and, therefore, assumes that it is the largest supported
mode (TFmode). As a consequence, legitimate offsettable memory
references are rejected. rs6000_legitimate_offset_address_p contains
- the correct logic for the PLUS case of rs6000_mode_dependent_address. */
- return rs6000_legitimate_offset_address_p (GET_MODE (op), XEXP (op, 0), 1);
+ the correct logic for the PLUS case of rs6000_mode_dependent_address,
+ at least with a little bit of help here given that we know the
+ actual registers used. */
+ worst_case = ((TARGET_POWERPC64 && GET_MODE_CLASS (reg_mode) == MODE_INT)
+ || GET_MODE_SIZE (reg_mode) == 4);
+ return rs6000_legitimate_offset_address_p (GET_MODE (op), XEXP (op, 0),
+ true, worst_case);
}
/* Change register usage conditional on target flags. */
if (rclass == GENERAL_REGS || rclass == BASE_REGS)
{
if (!legitimate_indirect_address_p (addr, false)
- && !rs6000_legitimate_offset_address_p (TImode, addr, false))
+ && !rs6000_legitimate_offset_address_p (TImode, addr,
+ false, true))
{
sri->icode = icode;
/* account for splitting the loads, and converting the
&& MEM_P (x)
&& GET_MODE_SIZE (GET_MODE (x)) >= UNITS_PER_WORD)
{
- rtx addr = XEXP (x, 0);
+ rtx off = address_offset (XEXP (x, 0));
- if (GET_CODE (addr) == PRE_MODIFY)
- addr = XEXP (addr, 1);
- else if (GET_CODE (addr) == LO_SUM
- && GET_CODE (XEXP (addr, 0)) == REG
- && GET_CODE (XEXP (addr, 1)) == CONST)
- addr = XEXP (XEXP (addr, 1), 0);
-
- if (GET_CODE (addr) == PLUS
- && GET_CODE (XEXP (addr, 1)) == CONST_INT
- && (INTVAL (XEXP (addr, 1)) & 3) != 0)
+ if (off != NULL_RTX && (INTVAL (off) & 3) != 0)
{
if (in_p)
sri->icode = CODE_FOR_reload_di_load;
else
default_p = true;
}
+ else if (!TARGET_POWERPC64
+ && rs6000_reload_register_type (rclass) == GPR_REGISTER_TYPE
+ && MEM_P (x)
+ && GET_MODE_SIZE (GET_MODE (x)) > UNITS_PER_WORD)
+ {
+ rtx off = address_offset (XEXP (x, 0));
+
+ if (off != NULL_RTX
+ && ((unsigned HOST_WIDE_INT) INTVAL (off) + 0x8000
+ >= 0x1000u - (GET_MODE_SIZE (GET_MODE (x)) - UNITS_PER_WORD)))
+ {
+ if (in_p)
+ sri->icode = CODE_FOR_reload_si_load;
+ else
+ sri->icode = CODE_FOR_reload_si_store;
+ sri->extra_cost = 2;
+ ret = NO_REGS;
+ }
+ else
+ default_p = true;
+ }
else
default_p = true;
}
if (GET_CODE (addr) == PLUS
- && (!rs6000_legitimate_offset_address_p (TImode, addr, false)
- || and_op2 != NULL_RTX))
+ && (and_op2 != NULL_RTX
+ || !rs6000_legitimate_offset_address_p (TImode, addr,
+ false, true)))
{
addr_op1 = XEXP (addr, 0);
addr_op2 = XEXP (addr, 1);
scratch_or_premodify = scratch;
}
else if (!legitimate_indirect_address_p (addr, false)
- && !rs6000_legitimate_offset_address_p (TImode, addr, false))
+ && !rs6000_legitimate_offset_address_p (TImode, addr,
+ false, true))
{
if (TARGET_DEBUG_ADDR)
{
&& GET_MODE_SIZE (mode) == 8
&& and_op2 == NULL_RTX
&& scratch_or_premodify == scratch
- && rs6000_legitimate_offset_address_p (mode, addr, false)))
+ && rs6000_legitimate_offset_address_p (mode, addr, false, false)))
;
else if (GET_CODE (addr) == PLUS)
}
/* Convert reloads involving 64-bit gprs and misaligned offset
- addressing to use indirect addressing. */
+ addressing, or multiple 32-bit gprs and offsets that are too large,
+ to use indirect addressing. */
void
-rs6000_secondary_reload_ppc64 (rtx reg, rtx mem, rtx scratch, bool store_p)
+rs6000_secondary_reload_gpr (rtx reg, rtx mem, rtx scratch, bool store_p)
{
int regno = true_regnum (reg);
enum reg_class rclass;
if (TARGET_DEBUG_ADDR)
{
- fprintf (stderr, "\nrs6000_secondary_reload_ppc64, type = %s\n",
+ fprintf (stderr, "\nrs6000_secondary_reload_gpr, type = %s\n",
store_p ? "store" : "load");
fprintf (stderr, "reg:\n");
debug_rtx (reg);
emit_insn (gen_add3_insn (breg, breg, delta_rtx));
src = replace_equiv_address (src, breg);
}
- else if (! rs6000_offsettable_memref_p (src))
+ else if (! rs6000_offsettable_memref_p (src, reg_mode))
{
if (GET_CODE (XEXP (src, 0)) == PRE_MODIFY)
{
emit_insn (gen_add3_insn (breg, breg, delta_rtx));
dst = replace_equiv_address (dst, breg);
}
- else if (!rs6000_offsettable_memref_p (dst)
+ else if (!rs6000_offsettable_memref_p (dst, reg_mode)
&& GET_CODE (XEXP (dst, 0)) != LO_SUM)
{
if (GET_CODE (XEXP (dst, 0)) == PRE_MODIFY)
}
}
else if (GET_CODE (XEXP (dst, 0)) != LO_SUM)
- gcc_assert (rs6000_offsettable_memref_p (dst));
+ gcc_assert (rs6000_offsettable_memref_p (dst, reg_mode));
}
for (i = 0; i < nregs; i++)
if (!legitimate_indirect_address_p (addr, strict_p))
{
if (offsettable_p
- && !rs6000_legitimate_offset_address_p (mode, addr, strict_p))
+ && !rs6000_legitimate_offset_address_p (mode, addr, strict_p, true))
stack = replace_equiv_address (stack, copy_addr_to_reg (addr));
else if (reg_reg_p && !legitimate_indexed_address_p (addr, strict_p))
#endif
}")
-;; Don't have reload use general registers to load a constant. First,
-;; it might not work if the output operand is the equivalent of
-;; a non-offsettable memref, but also it is less efficient than loading
-;; the constant into an FP register, since it will probably be used there.
-;; The "??" is a kludge until we can figure out a more reasonable way
-;; of handling these non-offsettable values.
+;; Don't have reload use general registers to load a constant. It is
+;; less efficient than loading the constant into an FP register, since
+;; it will probably be used there.
(define_insn "*movdf_hardfloat32"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=!r,??r,m,ws,?wa,ws,?wa,Z,?Z,d,d,m,wa,!r,!r,!r")
- (match_operand:DF 1 "input_operand" "r,m,r,ws,wa,Z,Z,ws,wa,d,m,d,j,G,H,F"))]
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=Y,r,!r,ws,?wa,ws,?wa,Z,?Z,m,d,d,wa,!r,!r,!r")
+ (match_operand:DF 1 "input_operand" "r,Y,r,ws,wa,Z,Z,ws,wa,d,m,d,j,G,H,F"))]
"! TARGET_POWERPC64 && TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT
&& (gpc_reg_operand (operands[0], DFmode)
|| gpc_reg_operand (operands[1], DFmode))"
case 8:
return \"stxsd%U0x %x1,%y0\";
case 9:
- return \"fmr %0,%1\";
+ return \"stfd%U0%X0 %1,%0\";
case 10:
return \"lfd%U1%X1 %0,%1\";
case 11:
- return \"stfd%U0%X0 %1,%0\";
+ return \"fmr %0,%1\";
case 12:
return \"xxlxor %x0,%x0,%x0\";
case 13:
return \"#\";
}
}"
- [(set_attr "type" "two,load,store,fp,fp,fpload,fpload,fpstore,fpstore,fp,fpload,fpstore,vecsimple,*,*,*")
- (set_attr "length" "8,16,16,4,4,4,4,4,4,4,4,4,4,8,12,16")])
+ [(set_attr "type" "store,load,two,fp,fp,fpload,fpload,fpstore,fpstore,fpstore,fpload,fp,vecsimple,*,*,*")
+ (set_attr "length" "8,8,8,4,4,4,4,4,4,4,4,4,4,8,12,16")])
(define_insn "*movdf_softfloat32"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=r,r,m,r,r,r")
- (match_operand:DF 1 "input_operand" "r,m,r,G,H,F"))]
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=Y,r,r,r,r,r")
+ (match_operand:DF 1 "input_operand" "r,Y,r,G,H,F"))]
"! TARGET_POWERPC64
&& ((TARGET_FPRS && TARGET_SINGLE_FLOAT)
|| TARGET_SOFT_FLOAT || TARGET_E500_SINGLE)
&& (gpc_reg_operand (operands[0], DFmode)
|| gpc_reg_operand (operands[1], DFmode))"
"#"
- [(set_attr "type" "two,load,store,*,*,*")
+ [(set_attr "type" "store,load,two,*,*,*")
(set_attr "length" "8,8,8,8,12,16")])
;; Reload patterns to support gpr load/store with misaligned mem.
-(define_expand "reload_di_store"
+;; and multiple gpr load/store at offset >= 0xfffc
+(define_expand "reload_<mode>_store"
[(parallel [(match_operand 0 "memory_operand" "=m")
(match_operand 1 "gpc_reg_operand" "r")
- (match_operand:DI 2 "register_operand" "=&b")])]
- "TARGET_POWERPC64"
+ (match_operand:GPR 2 "register_operand" "=&b")])]
+ ""
{
- rs6000_secondary_reload_ppc64 (operands[1], operands[0], operands[2], true);
+ rs6000_secondary_reload_gpr (operands[1], operands[0], operands[2], true);
DONE;
})
-(define_expand "reload_di_load"
+(define_expand "reload_<mode>_load"
[(parallel [(match_operand 0 "gpc_reg_operand" "=r")
(match_operand 1 "memory_operand" "m")
- (match_operand:DI 2 "register_operand" "=b")])]
- "TARGET_POWERPC64"
+ (match_operand:GPR 2 "register_operand" "=b")])]
+ ""
{
- rs6000_secondary_reload_ppc64 (operands[0], operands[1], operands[2], false);
+ rs6000_secondary_reload_gpr (operands[0], operands[1], operands[2], false);
DONE;
})
; ld/std require word-aligned displacements -> 'Y' constraint.
; List Y->r and r->Y before r->r for reload.
(define_insn "*movdf_hardfloat64_mfpgpr"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=Y,r,!r,ws,?wa,ws,?wa,Z,?Z,d,d,m,wa,*c*l,!r,*h,!r,!r,!r,r,d")
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=Y,r,!r,ws,?wa,ws,?wa,Z,?Z,m,d,d,wa,*c*l,!r,*h,!r,!r,!r,r,d")
(match_operand:DF 1 "input_operand" "r,Y,r,ws,?wa,Z,Z,ws,wa,d,m,d,j,r,h,0,G,H,F,d,r"))]
"TARGET_POWERPC64 && TARGET_MFPGPR && TARGET_HARD_FLOAT && TARGET_FPRS
&& TARGET_DOUBLE_FLOAT
lxsd%U1x %x0,%y1
stxsd%U0x %x1,%y0
stxsd%U0x %x1,%y0
- fmr %0,%1
- lfd%U1%X1 %0,%1
stfd%U0%X0 %1,%0
+ lfd%U1%X1 %0,%1
+ fmr %0,%1
xxlxor %x0,%x0,%x0
mt%0 %1
mf%1 %0
#
mftgpr %0,%1
mffgpr %0,%1"
- [(set_attr "type" "store,load,*,fp,fp,fpload,fpload,fpstore,fpstore,fp,fpload,fpstore,vecsimple,mtjmpr,mfjmpr,*,*,*,*,mftgpr,mffgpr")
+ [(set_attr "type" "store,load,*,fp,fp,fpload,fpload,fpstore,fpstore,fpstore,fpload,fp,vecsimple,mtjmpr,mfjmpr,*,*,*,*,mftgpr,mffgpr")
(set_attr "length" "4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,8,12,16,4,4")])
; ld/std require word-aligned displacements -> 'Y' constraint.
; List Y->r and r->Y before r->r for reload.
(define_insn "*movdf_hardfloat64"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=Y,r,!r,ws,?wa,ws,?wa,Z,?Z,d,d,m,wa,*c*l,!r,*h,!r,!r,!r")
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=Y,r,!r,ws,?wa,ws,?wa,Z,?Z,m,d,d,wa,*c*l,!r,*h,!r,!r,!r")
(match_operand:DF 1 "input_operand" "r,Y,r,ws,wa,Z,Z,ws,wa,d,m,d,j,r,h,0,G,H,F"))]
"TARGET_POWERPC64 && !TARGET_MFPGPR && TARGET_HARD_FLOAT && TARGET_FPRS
&& TARGET_DOUBLE_FLOAT
lxsd%U1x %x0,%y1
stxsd%U0x %x1,%y0
stxsd%U0x %x1,%y0
- fmr %0,%1
- lfd%U1%X1 %0,%1
stfd%U0%X0 %1,%0
+ lfd%U1%X1 %0,%1
+ fmr %0,%1
xxlxor %x0,%x0,%x0
mt%0 %1
mf%1 %0
#
#
#"
- [(set_attr "type" "store,load,*,fp,fp,fpload,fpload,fpstore,fpstore,fp,fpload,fpstore,vecsimple,mtjmpr,mfjmpr,*,*,*,*")
+ [(set_attr "type" "store,load,*,fp,fp,fpload,fpload,fpstore,fpstore,fpstore,fpload,fp,vecsimple,mtjmpr,mfjmpr,*,*,*,*")
(set_attr "length" "4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,8,12,16")])
(define_insn "*movdf_softfloat64"
- [(set (match_operand:DF 0 "nonimmediate_operand" "=r,Y,r,cl,r,r,r,r,*h")
- (match_operand:DF 1 "input_operand" "Y,r,r,r,h,G,H,F,0"))]
+ [(set (match_operand:DF 0 "nonimmediate_operand" "=Y,r,r,cl,r,r,r,r,*h")
+ (match_operand:DF 1 "input_operand" "r,Y,r,r,h,G,H,F,0"))]
"TARGET_POWERPC64 && (TARGET_SOFT_FLOAT || !TARGET_FPRS)
&& (gpc_reg_operand (operands[0], DFmode)
|| gpc_reg_operand (operands[1], DFmode))"
"@
- ld%U1%X1 %0,%1
std%U0%X0 %1,%0
+ ld%U1%X1 %0,%1
mr %0,%1
mt%0 %1
mf%1 %0
#
#
{cror 0,0,0|nop}"
- [(set_attr "type" "load,store,*,mtjmpr,mfjmpr,*,*,*,*")
+ [(set_attr "type" "store,load,*,mtjmpr,mfjmpr,*,*,*,*")
(set_attr "length" "4,4,4,4,4,8,12,16,4")])
\f
(define_expand "movtf"
"!TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128"
"{ rs6000_emit_move (operands[0], operands[1], TFmode); DONE; }")
-; It's important to list the o->f and f->o moves before f->f because
-; otherwise reload, given m->f, will try to pick f->f and reload it,
-; which doesn't make progress. Likewise r->Y must be before r->r.
+;; It's important to list Y->r and r->Y before r->r because otherwise
+;; reload, given m->r, will try to pick r->r and reload it, which
+;; doesn't make progress.
(define_insn_and_split "*movtf_internal"
- [(set (match_operand:TF 0 "nonimmediate_operand" "=o,d,d,r,Y,r")
- (match_operand:TF 1 "input_operand" "d,o,d,YGHF,r,r"))]
+ [(set (match_operand:TF 0 "nonimmediate_operand" "=m,d,d,Y,r,r")
+ (match_operand:TF 1 "input_operand" "d,m,d,r,YGHF,r"))]
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_LONG_DOUBLE_128
&& (gpc_reg_operand (operands[0], TFmode)
[(set_attr "length" "8,8,8,20,20,16")])
(define_insn_and_split "*movtf_softfloat"
- [(set (match_operand:TF 0 "rs6000_nonimmediate_operand" "=r,Y,r")
- (match_operand:TF 1 "input_operand" "YGHF,r,r"))]
+ [(set (match_operand:TF 0 "rs6000_nonimmediate_operand" "=Y,r,r")
+ (match_operand:TF 1 "input_operand" "r,YGHF,r"))]
"!TARGET_IEEEQUAD
&& (TARGET_SOFT_FLOAT || !TARGET_FPRS) && TARGET_LONG_DOUBLE_128
&& (gpc_reg_operand (operands[0], TFmode)
})
(define_insn_and_split "*extenddftf2_internal"
- [(set (match_operand:TF 0 "nonimmediate_operand" "=o,d,&d,r")
- (float_extend:TF (match_operand:DF 1 "input_operand" "dr,md,md,rmGHF")))
- (use (match_operand:DF 2 "zero_reg_mem_operand" "rd,m,d,n"))]
+ [(set (match_operand:TF 0 "nonimmediate_operand" "=m,Y,d,&d,r")
+ (float_extend:TF (match_operand:DF 1 "input_operand" "d,r,md,md,rmGHF")))
+ (use (match_operand:DF 2 "zero_reg_mem_operand" "d,r,m,d,n"))]
"!TARGET_IEEEQUAD
&& TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT
&& TARGET_LONG_DOUBLE_128"
;; Next come the multi-word integer load and store and the load and store
;; multiple insns.
-; List r->r after r->"o<>", otherwise reload will try to reload a
-; non-offsettable address by using r->r which won't make progress.
+;; List r->r after r->Y, otherwise reload will try to reload a
+;; non-offsettable address by using r->r which won't make progress.
+;; Use of fprs is disparaged slightly otherwise reload prefers to reload
+;; a gpr into a fpr instead of reloading an invalid 'Y' address
(define_insn "*movdi_internal32"
- [(set (match_operand:DI 0 "rs6000_nonimmediate_operand" "=o<>,r,r,*d,*d,m,r,?wa")
- (match_operand:DI 1 "input_operand" "r,r,m,d,m,d,IJKnGHF,O"))]
+ [(set (match_operand:DI 0 "rs6000_nonimmediate_operand" "=Y,r,r,?m,?*d,?*d,r,?wa")
+ (match_operand:DI 1 "input_operand" "r,Y,r,d,m,d,IJKnGHF,O"))]
"! TARGET_POWERPC64
&& (gpc_reg_operand (operands[0], DImode)
|| gpc_reg_operand (operands[1], DImode))"
#
#
#
- fmr %0,%1
- lfd%U1%X1 %0,%1
stfd%U0%X0 %1,%0
+ lfd%U1%X1 %0,%1
+ fmr %0,%1
#
xxlxor %x0,%x0,%x0"
- [(set_attr "type" "load,*,store,fp,fpload,fpstore,*,vecsimple")])
+ [(set_attr "type" "store,load,*,fpstore,fpload,fp,*,vecsimple")])
(define_split
[(set (match_operand:DI 0 "gpc_reg_operand" "")
{ rs6000_split_multireg_move (operands[0], operands[1]); DONE; })
(define_insn "*movdi_mfpgpr"
- [(set (match_operand:DI 0 "nonimmediate_operand" "=r,r,m,r,r,r,*d,*d,m,r,*h,*h,r,*d")
- (match_operand:DI 1 "input_operand" "r,m,r,I,L,nF,d,m,d,*h,r,0,*d,r"))]
+ [(set (match_operand:DI 0 "nonimmediate_operand" "=Y,r,r,r,r,r,?m,?*d,?*d,r,*h,*h,r,?*d")
+ (match_operand:DI 1 "input_operand" "r,Y,r,I,L,nF,d,m,d,*h,r,0,*d,r"))]
"TARGET_POWERPC64 && TARGET_MFPGPR && TARGET_HARD_FLOAT && TARGET_FPRS
&& (gpc_reg_operand (operands[0], DImode)
|| gpc_reg_operand (operands[1], DImode))"
"@
- mr %0,%1
- ld%U1%X1 %0,%1
std%U0%X0 %1,%0
+ ld%U1%X1 %0,%1
+ mr %0,%1
li %0,%1
lis %0,%v1
#
- fmr %0,%1
- lfd%U1%X1 %0,%1
stfd%U0%X0 %1,%0
+ lfd%U1%X1 %0,%1
+ fmr %0,%1
mf%1 %0
mt%0 %1
{cror 0,0,0|nop}
mftgpr %0,%1
mffgpr %0,%1"
- [(set_attr "type" "*,load,store,*,*,*,fp,fpload,fpstore,mfjmpr,mtjmpr,*,mftgpr,mffgpr")
+ [(set_attr "type" "store,load,*,*,*,*,fpstore,fpload,fp,mfjmpr,mtjmpr,*,mftgpr,mffgpr")
(set_attr "length" "4,4,4,4,4,20,4,4,4,4,4,4,4,4")])
(define_insn "*movdi_internal64"
- [(set (match_operand:DI 0 "nonimmediate_operand" "=r,r,m,r,r,r,*d,*d,m,r,*h,*h,?wa")
- (match_operand:DI 1 "input_operand" "r,m,r,I,L,nF,d,m,d,*h,r,0,O"))]
+ [(set (match_operand:DI 0 "nonimmediate_operand" "=Y,r,r,r,r,r,?m,?*d,?*d,r,*h,*h,?wa")
+ (match_operand:DI 1 "input_operand" "r,Y,r,I,L,nF,d,m,d,*h,r,0,O"))]
"TARGET_POWERPC64 && (!TARGET_MFPGPR || !TARGET_HARD_FLOAT || !TARGET_FPRS)
&& (gpc_reg_operand (operands[0], DImode)
|| gpc_reg_operand (operands[1], DImode))"
"@
- mr %0,%1
- ld%U1%X1 %0,%1
std%U0%X0 %1,%0
+ ld%U1%X1 %0,%1
+ mr %0,%1
li %0,%1
lis %0,%v1
#
- fmr %0,%1
- lfd%U1%X1 %0,%1
stfd%U0%X0 %1,%0
+ lfd%U1%X1 %0,%1
+ fmr %0,%1
mf%1 %0
mt%0 %1
{cror 0,0,0|nop}
xxlxor %x0,%x0,%x0"
- [(set_attr "type" "*,load,store,*,*,*,fp,fpload,fpstore,mfjmpr,mtjmpr,*,vecsimple")
+ [(set_attr "type" "store,load,*,*,*,*,fpstore,fpload,fp,mfjmpr,mtjmpr,*,vecsimple")
(set_attr "length" "4,4,4,4,4,20,4,4,4,4,4,4,4")])
;; immediate value valid for a single instruction hiding in a const_double
;; giving the SCRATCH mq.
(define_insn "*movti_power"
- [(set (match_operand:TI 0 "reg_or_mem_operand" "=Q,m,????r,????r,????r,r")
- (match_operand:TI 1 "input_operand" "r,r,r,Q,m,n"))
+ [(set (match_operand:TI 0 "reg_or_mem_operand" "=Q,Y,????r,????r,????r,r")
+ (match_operand:TI 1 "input_operand" "r,r,Q,Y,r,n"))
(clobber (match_scratch:SI 2 "=q,q#X,X,X,X,X"))]
"TARGET_POWER && ! TARGET_POWERPC64
&& (gpc_reg_operand (operands[0], TImode) || gpc_reg_operand (operands[1], TImode))"
if (TARGET_STRING)
return \"{stsi|stswi} %1,%P0,16\";
case 1:
- case 2:
return \"#\";
- case 3:
+ case 2:
/* If the address is not used in the output, we can use lsi. Otherwise,
fall through to generating four loads. */
if (TARGET_STRING
&& ! reg_overlap_mentioned_p (operands[0], operands[1]))
return \"{lsi|lswi} %0,%P1,16\";
/* ... fall through ... */
+ case 3:
case 4:
case 5:
return \"#\";
}
}"
- [(set_attr "type" "store,store,*,load,load,*")])
+ [(set_attr "type" "store,store,load,load,*,*")])
(define_insn "*movti_string"
- [(set (match_operand:TI 0 "reg_or_mem_operand" "=Q,o<>,????r,????r,????r,r")
- (match_operand:TI 1 "input_operand" "r,r,r,Q,m,n"))]
+ [(set (match_operand:TI 0 "reg_or_mem_operand" "=Q,Y,????r,????r,????r,r")
+ (match_operand:TI 1 "input_operand" "r,r,Q,Y,r,n"))]
"! TARGET_POWER && ! TARGET_POWERPC64
&& (gpc_reg_operand (operands[0], TImode) || gpc_reg_operand (operands[1], TImode))"
"*
if (TARGET_STRING)
return \"{stsi|stswi} %1,%P0,16\";
case 1:
- case 2:
return \"#\";
- case 3:
+ case 2:
/* If the address is not used in the output, we can use lsi. Otherwise,
fall through to generating four loads. */
if (TARGET_STRING
&& ! reg_overlap_mentioned_p (operands[0], operands[1]))
return \"{lsi|lswi} %0,%P1,16\";
/* ... fall through ... */
+ case 3:
case 4:
case 5:
return \"#\";
}
}"
- [(set_attr "type" "store_ux,store_ux,*,load_ux,load_ux,*")
+ [(set_attr "type" "store_ux,store_ux,load_ux,load_ux,*,*")
(set (attr "cell_micro") (if_then_else (match_test "TARGET_STRING")
(const_string "always")
(const_string "conditional")))])
(define_insn "*movti_ppc64"
- [(set (match_operand:TI 0 "nonimmediate_operand" "=r,o<>,r")
- (match_operand:TI 1 "input_operand" "r,r,m"))]
+ [(set (match_operand:TI 0 "nonimmediate_operand" "=Y,r,r")
+ (match_operand:TI 1 "input_operand" "r,Y,r"))]
"(TARGET_POWERPC64 && (gpc_reg_operand (operands[0], TImode)
|| gpc_reg_operand (operands[1], TImode)))
&& VECTOR_MEM_NONE_P (TImode)"
"#"
- [(set_attr "type" "*,store,load")])
+ [(set_attr "type" "store,load,*")])
(define_split
[(set (match_operand:TI 0 "gpc_reg_operand" "")
(set_attr "length" "12")])
(define_insn "stack_protect_setdi"
- [(set (match_operand:DI 0 "memory_operand" "=m")
- (unspec:DI [(match_operand:DI 1 "memory_operand" "m")] UNSPEC_SP_SET))
+ [(set (match_operand:DI 0 "memory_operand" "=Y")
+ (unspec:DI [(match_operand:DI 1 "memory_operand" "Y")] UNSPEC_SP_SET))
(set (match_scratch:DI 2 "=&r") (const_int 0))]
"TARGET_64BIT"
"ld%U1%X1 %2,%1\;std%U0%X0 %2,%0\;{lil|li} %2,0"
(define_insn "stack_protect_testdi"
[(set (match_operand:CCEQ 0 "cc_reg_operand" "=x,?y")
- (unspec:CCEQ [(match_operand:DI 1 "memory_operand" "m,m")
- (match_operand:DI 2 "memory_operand" "m,m")]
+ (unspec:CCEQ [(match_operand:DI 1 "memory_operand" "Y,Y")
+ (match_operand:DI 2 "memory_operand" "Y,Y")]
UNSPEC_SP_TEST))
(set (match_scratch:DI 4 "=r,r") (const_int 0))
(clobber (match_scratch:DI 3 "=&r,&r"))]
projects / thirdparty / gcc.git / commitdiff
