return plus_constant (mode, reg, offset);
}
-void
-aarch64_expand_mov_immediate (rtx dest, rtx imm)
+static int
+aarch64_internal_mov_immediate (rtx dest, rtx imm, bool generate,
+ machine_mode mode)
{
- enum machine_mode mode = GET_MODE (dest);
unsigned HOST_WIDE_INT mask;
int i;
bool first;
bool subtargets;
rtx subtarget;
int one_match, zero_match, first_not_ffff_match;
-
- gcc_assert (mode == SImode || mode == DImode);
-
- /* Check on what type of symbol it is. */
- if (GET_CODE (imm) == SYMBOL_REF
- || GET_CODE (imm) == LABEL_REF
- || GET_CODE (imm) == CONST)
- {
- rtx mem, base, offset;
- enum aarch64_symbol_type sty;
-
- /* If we have (const (plus symbol offset)), separate out the offset
- before we start classifying the symbol. */
- split_const (imm, &base, &offset);
-
- sty = aarch64_classify_symbol (base, SYMBOL_CONTEXT_ADR);
- switch (sty)
- {
- case SYMBOL_FORCE_TO_MEM:
- if (offset != const0_rtx
- && targetm.cannot_force_const_mem (mode, imm))
- {
- gcc_assert (can_create_pseudo_p ());
- base = aarch64_force_temporary (mode, dest, base);
- base = aarch64_add_offset (mode, NULL, base, INTVAL (offset));
- aarch64_emit_move (dest, base);
- return;
- }
- mem = force_const_mem (ptr_mode, imm);
- gcc_assert (mem);
- if (mode != ptr_mode)
- mem = gen_rtx_ZERO_EXTEND (mode, mem);
- emit_insn (gen_rtx_SET (VOIDmode, dest, mem));
- return;
-
- case SYMBOL_SMALL_TLSGD:
- case SYMBOL_SMALL_TLSDESC:
- case SYMBOL_SMALL_GOTTPREL:
- case SYMBOL_SMALL_GOT:
- case SYMBOL_TINY_GOT:
- if (offset != const0_rtx)
- {
- gcc_assert(can_create_pseudo_p ());
- base = aarch64_force_temporary (mode, dest, base);
- base = aarch64_add_offset (mode, NULL, base, INTVAL (offset));
- aarch64_emit_move (dest, base);
- return;
- }
- /* FALLTHRU */
-
- case SYMBOL_SMALL_TPREL:
- case SYMBOL_SMALL_ABSOLUTE:
- case SYMBOL_TINY_ABSOLUTE:
- aarch64_load_symref_appropriately (dest, imm, sty);
- return;
-
- default:
- gcc_unreachable ();
- }
- }
+ int num_insns = 0;
if (CONST_INT_P (imm) && aarch64_move_imm (INTVAL (imm), mode))
{
- emit_insn (gen_rtx_SET (VOIDmode, dest, imm));
- return;
- }
-
- if (!CONST_INT_P (imm))
- {
- if (GET_CODE (imm) == HIGH)
+ if (generate)
emit_insn (gen_rtx_SET (VOIDmode, dest, imm));
- else
- {
- rtx mem = force_const_mem (mode, imm);
- gcc_assert (mem);
- emit_insn (gen_rtx_SET (VOIDmode, dest, mem));
- }
-
- return;
+ num_insns++;
+ return num_insns;
}
if (mode == SImode)
/* We know we can't do this in 1 insn, and we must be able to do it
in two; so don't mess around looking for sequences that don't buy
us anything. */
- emit_insn (gen_rtx_SET (VOIDmode, dest, GEN_INT (INTVAL (imm) & 0xffff)));
- emit_insn (gen_insv_immsi (dest, GEN_INT (16),
- GEN_INT ((INTVAL (imm) >> 16) & 0xffff)));
- return;
+ if (generate)
+ {
+ emit_insn (gen_rtx_SET (VOIDmode, dest,
+ GEN_INT (INTVAL (imm) & 0xffff)));
+ emit_insn (gen_insv_immsi (dest, GEN_INT (16),
+ GEN_INT ((INTVAL (imm) >> 16) & 0xffff)));
+ }
+ num_insns += 2;
+ return num_insns;
}
/* Remaining cases are all for DImode. */
{
/* Set one of the quarters and then insert back into result. */
mask = 0xffffll << first_not_ffff_match;
- emit_insn (gen_rtx_SET (VOIDmode, dest, GEN_INT (val | mask)));
- emit_insn (gen_insv_immdi (dest, GEN_INT (first_not_ffff_match),
- GEN_INT ((val >> first_not_ffff_match)
- & 0xffff)));
- return;
+ if (generate)
+ {
+ emit_insn (gen_rtx_SET (VOIDmode, dest, GEN_INT (val | mask)));
+ emit_insn (gen_insv_immdi (dest, GEN_INT (first_not_ffff_match),
+ GEN_INT ((val >> first_not_ffff_match)
+ & 0xffff)));
+ }
+ num_insns += 2;
+ return num_insns;
}
if (zero_match == 2)
if (aarch64_uimm12_shift (val - (val & mask)))
{
- subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
-
- emit_insn (gen_rtx_SET (VOIDmode, subtarget, GEN_INT (val & mask)));
- emit_insn (gen_adddi3 (dest, subtarget,
- GEN_INT (val - (val & mask))));
- return;
+ if (generate)
+ {
+ subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
+ emit_insn (gen_rtx_SET (VOIDmode, subtarget,
+ GEN_INT (val & mask)));
+ emit_insn (gen_adddi3 (dest, subtarget,
+ GEN_INT (val - (val & mask))));
+ }
+ num_insns += 2;
+ return num_insns;
}
else if (aarch64_uimm12_shift (-(val - ((val + comp) & mask))))
{
- subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
-
- emit_insn (gen_rtx_SET (VOIDmode, subtarget,
- GEN_INT ((val + comp) & mask)));
- emit_insn (gen_adddi3 (dest, subtarget,
- GEN_INT (val - ((val + comp) & mask))));
- return;
+ if (generate)
+ {
+ subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
+ emit_insn (gen_rtx_SET (VOIDmode, subtarget,
+ GEN_INT ((val + comp) & mask)));
+ emit_insn (gen_adddi3 (dest, subtarget,
+ GEN_INT (val - ((val + comp) & mask))));
+ }
+ num_insns += 2;
+ return num_insns;
}
else if (aarch64_uimm12_shift (val - ((val - comp) | ~mask)))
{
- subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
-
- emit_insn (gen_rtx_SET (VOIDmode, subtarget,
- GEN_INT ((val - comp) | ~mask)));
- emit_insn (gen_adddi3 (dest, subtarget,
- GEN_INT (val - ((val - comp) | ~mask))));
- return;
+ if (generate)
+ {
+ subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
+ emit_insn (gen_rtx_SET (VOIDmode, subtarget,
+ GEN_INT ((val - comp) | ~mask)));
+ emit_insn (gen_adddi3 (dest, subtarget,
+ GEN_INT (val - ((val - comp) | ~mask))));
+ }
+ num_insns += 2;
+ return num_insns;
}
else if (aarch64_uimm12_shift (-(val - (val | ~mask))))
{
- subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
-
- emit_insn (gen_rtx_SET (VOIDmode, subtarget,
- GEN_INT (val | ~mask)));
- emit_insn (gen_adddi3 (dest, subtarget,
- GEN_INT (val - (val | ~mask))));
- return;
+ if (generate)
+ {
+ subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
+ emit_insn (gen_rtx_SET (VOIDmode, subtarget,
+ GEN_INT (val | ~mask)));
+ emit_insn (gen_adddi3 (dest, subtarget,
+ GEN_INT (val - (val | ~mask))));
+ }
+ num_insns += 2;
+ return num_insns;
}
}
if (aarch64_uimm12_shift (val - aarch64_bitmasks[i])
|| aarch64_uimm12_shift (-val + aarch64_bitmasks[i]))
{
- subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
- emit_insn (gen_rtx_SET (VOIDmode, subtarget,
- GEN_INT (aarch64_bitmasks[i])));
- emit_insn (gen_adddi3 (dest, subtarget,
- GEN_INT (val - aarch64_bitmasks[i])));
- return;
+ if (generate)
+ {
+ subtarget = subtargets ? gen_reg_rtx (DImode) : dest;
+ emit_insn (gen_rtx_SET (VOIDmode, subtarget,
+ GEN_INT (aarch64_bitmasks[i])));
+ emit_insn (gen_adddi3 (dest, subtarget,
+ GEN_INT (val - aarch64_bitmasks[i])));
+ }
+ num_insns += 2;
+ return num_insns;
}
for (j = 0; j < 64; j += 16, mask <<= 16)
{
if ((aarch64_bitmasks[i] & ~mask) == (val & ~mask))
{
- emit_insn (gen_rtx_SET (VOIDmode, dest,
- GEN_INT (aarch64_bitmasks[i])));
- emit_insn (gen_insv_immdi (dest, GEN_INT (j),
- GEN_INT ((val >> j) & 0xffff)));
- return;
+ if (generate)
+ {
+ emit_insn (gen_rtx_SET (VOIDmode, dest,
+ GEN_INT (aarch64_bitmasks[i])));
+ emit_insn (gen_insv_immdi (dest, GEN_INT (j),
+ GEN_INT ((val >> j) & 0xffff)));
+ }
+ num_insns += 2;
+ return num_insns;
}
}
}
for (j = i + 1; j < AARCH64_NUM_BITMASKS; j++)
if (val == (aarch64_bitmasks[i] | aarch64_bitmasks[j]))
{
- subtarget = subtargets ? gen_reg_rtx (mode) : dest;
- emit_insn (gen_rtx_SET (VOIDmode, subtarget,
- GEN_INT (aarch64_bitmasks[i])));
- emit_insn (gen_iordi3 (dest, subtarget,
- GEN_INT (aarch64_bitmasks[j])));
- return;
+ if (generate)
+ {
+ subtarget = subtargets ? gen_reg_rtx (mode) : dest;
+ emit_insn (gen_rtx_SET (VOIDmode, subtarget,
+ GEN_INT (aarch64_bitmasks[i])));
+ emit_insn (gen_iordi3 (dest, subtarget,
+ GEN_INT (aarch64_bitmasks[j])));
+ }
+ num_insns += 2;
+ return num_insns;
}
}
else if ((val & aarch64_bitmasks[i]) == val)
for (j = i + 1; j < AARCH64_NUM_BITMASKS; j++)
if (val == (aarch64_bitmasks[j] & aarch64_bitmasks[i]))
{
-
- subtarget = subtargets ? gen_reg_rtx (mode) : dest;
- emit_insn (gen_rtx_SET (VOIDmode, subtarget,
- GEN_INT (aarch64_bitmasks[j])));
- emit_insn (gen_anddi3 (dest, subtarget,
- GEN_INT (aarch64_bitmasks[i])));
- return;
+ if (generate)
+ {
+ subtarget = subtargets ? gen_reg_rtx (mode) : dest;
+ emit_insn (gen_rtx_SET (VOIDmode, subtarget,
+ GEN_INT (aarch64_bitmasks[j])));
+ emit_insn (gen_anddi3 (dest, subtarget,
+ GEN_INT (aarch64_bitmasks[i])));
+ }
+ num_insns += 2;
+ return num_insns;
}
}
}
{
/* Set either first three quarters or all but the third. */
mask = 0xffffll << (16 - first_not_ffff_match);
- emit_insn (gen_rtx_SET (VOIDmode, dest,
- GEN_INT (val | mask | 0xffffffff00000000ull)));
+ if (generate)
+ emit_insn (gen_rtx_SET (VOIDmode, dest,
+ GEN_INT (val | mask | 0xffffffff00000000ull)));
+ num_insns ++;
/* Now insert other two quarters. */
for (i = first_not_ffff_match + 16, mask <<= (first_not_ffff_match << 1);
i < 64; i += 16, mask <<= 16)
{
if ((val & mask) != mask)
- emit_insn (gen_insv_immdi (dest, GEN_INT (i),
- GEN_INT ((val >> i) & 0xffff)));
+ {
+ if (generate)
+ emit_insn (gen_insv_immdi (dest, GEN_INT (i),
+ GEN_INT ((val >> i) & 0xffff)));
+ num_insns ++;
+ }
}
- return;
+ return num_insns;
}
simple_sequence:
{
if (first)
{
- emit_insn (gen_rtx_SET (VOIDmode, dest,
- GEN_INT (val & mask)));
+ if (generate)
+ emit_insn (gen_rtx_SET (VOIDmode, dest,
+ GEN_INT (val & mask)));
+ num_insns ++;
first = false;
}
else
- emit_insn (gen_insv_immdi (dest, GEN_INT (i),
- GEN_INT ((val >> i) & 0xffff)));
+ {
+ if (generate)
+ emit_insn (gen_insv_immdi (dest, GEN_INT (i),
+ GEN_INT ((val >> i) & 0xffff)));
+ num_insns ++;
+ }
}
}
+
+ return num_insns;
+}
+
+
+void
+aarch64_expand_mov_immediate (rtx dest, rtx imm)
+{
+ machine_mode mode = GET_MODE (dest);
+
+ gcc_assert (mode == SImode || mode == DImode);
+
+ /* Check on what type of symbol it is. */
+ if (GET_CODE (imm) == SYMBOL_REF
+ || GET_CODE (imm) == LABEL_REF
+ || GET_CODE (imm) == CONST)
+ {
+ rtx mem, base, offset;
+ enum aarch64_symbol_type sty;
+
+ /* If we have (const (plus symbol offset)), separate out the offset
+ before we start classifying the symbol. */
+ split_const (imm, &base, &offset);
+
+ sty = aarch64_classify_symbol (base, SYMBOL_CONTEXT_ADR);
+ switch (sty)
+ {
+ case SYMBOL_FORCE_TO_MEM:
+ if (offset != const0_rtx
+ && targetm.cannot_force_const_mem (mode, imm))
+ {
+ gcc_assert (can_create_pseudo_p ());
+ base = aarch64_force_temporary (mode, dest, base);
+ base = aarch64_add_offset (mode, NULL, base, INTVAL (offset));
+ aarch64_emit_move (dest, base);
+ return;
+ }
+ mem = force_const_mem (ptr_mode, imm);
+ gcc_assert (mem);
+ if (mode != ptr_mode)
+ mem = gen_rtx_ZERO_EXTEND (mode, mem);
+ emit_insn (gen_rtx_SET (VOIDmode, dest, mem));
+ return;
+
+ case SYMBOL_SMALL_TLSGD:
+ case SYMBOL_SMALL_TLSDESC:
+ case SYMBOL_SMALL_GOTTPREL:
+ case SYMBOL_SMALL_GOT:
+ case SYMBOL_TINY_GOT:
+ if (offset != const0_rtx)
+ {
+ gcc_assert(can_create_pseudo_p ());
+ base = aarch64_force_temporary (mode, dest, base);
+ base = aarch64_add_offset (mode, NULL, base, INTVAL (offset));
+ aarch64_emit_move (dest, base);
+ return;
+ }
+ /* FALLTHRU */
+
+ case SYMBOL_SMALL_TPREL:
+ case SYMBOL_SMALL_ABSOLUTE:
+ case SYMBOL_TINY_ABSOLUTE:
+ aarch64_load_symref_appropriately (dest, imm, sty);
+ return;
+
+ default:
+ gcc_unreachable ();
+ }
+ }
+
+ if (!CONST_INT_P (imm))
+ {
+ if (GET_CODE (imm) == HIGH)
+ emit_insn (gen_rtx_SET (VOIDmode, dest, imm));
+ else
+ {
+ rtx mem = force_const_mem (mode, imm);
+ gcc_assert (mem);
+ emit_insn (gen_rtx_SET (VOIDmode, dest, mem));
+ }
+
+ return;
+ }
+
+ aarch64_internal_mov_immediate (dest, imm, true, GET_MODE (dest));
}
static bool
proportionally expensive to the number of instructions
required to build that constant. This is true whether we
are compiling for SPEED or otherwise. */
- *cost = COSTS_N_INSNS (aarch64_build_constant (0,
- INTVAL (x),
- false));
+ *cost = COSTS_N_INSNS (aarch64_internal_mov_immediate
+ (NULL_RTX, x, false, mode));
}
return true;
&& aarch64_valid_symref (XEXP (x, 0), GET_MODE (XEXP (x, 0))))
return true;
- if (CONST_INT_P (x) && aarch64_move_imm (INTVAL (x), mode))
+ if (CONST_INT_P (x))
return true;
if (GET_CODE (x) == SYMBOL_REF && mode == DImode && CONSTANT_ADDRESS_P (x))
projects / platform / upstream / gcc49.git / blobdiff